A device for retracting a seat leg at an angle, a seat support, and a seat unit. The device comprises a leg assembly (2) hinged to the front end of a seat frame mount (1); a footrest driving rod (21) and a footrest linkage rod (22) of the leg assembly (2) are separately hinged to the front end of the seat frame mount (1); one end of a first footrest connecting rod (23) is hinged to the footrest driving rod (21), and the other end of the first footrest connecting rod (23) is hinged to an end portion of a footrest member (25); one end of a second footrest connecting rod (24) is hinged to the footrest linkage rod (22), and the other end of the second footrest connecting rod (24) is hinged to a middle portion of the footrest member (25); the footrest member (25) comprises a footrest mounting surface (251) for mounting a footrest (6); when the leg assembly (2) is retracted to an extreme position, the footrest mounting surface (251) is retracted to a position below the seat frame mount (1) and is at an angle relative to the horizontal plane.
The present invention relates to a contractible sofa linkage device, a sofa support, and a sofa, the contractible sofa linkage device comprising a linkage assembly, a seat frame installation support hinged above the linkage assembly, and a leg assembly hinged at the front end of the seat frame installation support. An installation platform is provided on the inner wall of the seat frame installation support; the height of the installation platform is lower than the upper edge of the seat frame installation support; and an inclined plane where the installation platform is located is a seat frame installation surface. The leg assembly comprises a footrest link assembly and a footrest; the footrest link assembly is hinged to the seat frame installation support; the footrest comprises a footrest installation surface for installing the footrest; and when the footrest link assembly drives the footrest to retract to a limit position, the footrest installation surface is retracted to the bottom of the seat frame installation support. In the present invention, after the linkage assembly and the leg assembly are retracted, the size in the vertical direction is reduced, thereby reducing the occupied space after contraction, increasing the space at the bottom of a seat frame, thus facilitating cleaning.
A linkage device for implementing no backrest clearance, a support, a seat unit, and a seat. The linkage device comprises a base (1), a linkage mechanism (2), a support side plate (3), and a backrest mechanism (4); the linkage mechanism (2) is rotatably connected between the base (1) and the support side plate (3); the backrest mechanism (4) is rotatably connected to the support side plate (3) and the linkage mechanism (2), separately; a side plate linkage point (31) and a backrest point (32) are provided on the support side plate (3); the support side plate (3) is rotatably connected to the linkage mechanism (2) at the side plate linkage point (31); the support side plate (3) is rotatably connected to the backrest mechanism (4) at the backrest point (32); the backrest mechanism (4) comprises a backrest mounting member (41) and a backrest linkage member (42); and when the backrest mechanism (4) is retracted to a limit position, an included angle α between a connecting line between two ends of the backrest mounting member (41) and a connecting line between the backrest point (32) and the side plate linkage point (31) is an acute angle. The seat support can satisfy the design of different styles of seat backrests (5), and the seat backrest (5) of the seat unit can be provided against a wall without any clearance, such that the space can be saved and the aesthetics can be improved.
A mechanical extension apparatus for an extendable seat unit and a seat unit including the mechanical extension apparatus. The mechanical extension apparatus includes a reclining apparatus (2) which including multiple links attached to a seat (3), a backrest (4) and a footrest (5) of the extendable seat, and the reclining apparatus (2) is configured to convert the extendable seat between a sitting position, a TV position, and a lying position. The mechanical extension apparatus also includes an actuator (7) which is attached to the reclining apparatus (2), and the actuator (7) is configured to electronically convert the extendable seat between the sitting position and the TV position; and the reclining apparatus (2) is configured to convert the extendable seat between the TV position and the lying position by non-electric actuation.
A double-layer inclined pushing structure for furniture and an electric bed, the structure comprising a fixing frame (1), a rotating frame (2), a first inclined pushing mechanism (4), at least one folding plate (3) and at least one second inclined pushing mechanism (5). The fixing frame (1), the rotating frame (2) and the folding plate (3) are horizontally placed. The rotating frame (2) is located above the fixing frame (1). At least one set of connecting assemblies is fixedly arranged at the bottom of the rotating frame (2) and is used to connect to the fixing frame (1). The first inclined pushing mechanism (4) is arranged between the fixing frame (1) and the rotating frame (2) for use in pushing the rotating frame (2) to rotate relative to the fixing frame (1) between a horizontal state and a first preset angle. The folding plate (3) is rotatably arranged above the rotating frame (2). The second inclined pushing mechanism (5) is in one-to-one correspondence with the folding plate (3), and the second inclined pushing mechanism (5) is arranged between the rotating frame (2) and the folding plate (3) for use in pushing the folding plate (3) to rotate relative to the rotating frame (2) to a second preset angle.
A61G 7/005 - Beds specially adapted for nursingDevices for lifting patients or disabled persons having adjustable mattress frame tiltable around transverse horizontal axis, e.g. for Trendelenburg position
A61G 7/015 - Beds specially adapted for nursingDevices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
A47C 19/04 - Extensible bedsteads, e.g. with adjustment of length, width, height
A61G 7/008 - Beds specially adapted for nursingDevices for lifting patients or disabled persons having adjustable mattress frame tiltable around longitudinal axis, e.g. for rolling
6.
Mechanical stretching device for movable seat unit and seat unit
The present disclosure relates to a mechanical stretching device for a movable seat unit, and a movable seat unit thereof. The mechanical stretching device includes: a linkage support that comprises a support structure configured to support the mechanical stretching device on ground and a linkage structure attachable to a seating portion of the seat unit; a back mechanism that is pivotally connected to the linkage support and is configured to attach to a backrest of the seat unit; and a leg stretching structure including a footrest element, and the leg stretching structure is pivotally connected to the linkage support, and the footrest element is attached to a footrest of the seat unit. The mechanical stretching device is configured to implement a sequential conversion or a reverse sequential conversion of the seat unit from a sitting state to a relaxing state and to a lying state.
A47C 1/034 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest
A47C 1/0355 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably-coupled seat and back-rest actuated by linkages, e.g. lazy-tongs mechanisms
A47C 1/032 - Reclining or easy chairs having coupled adjustable supporting parts the parts being movably-coupled seat and back-rest
A47C 1/035 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably-coupled seat and back-rest
A seat unfolding linkage mechanism and a seat bracket, comprising a linkage assembly (1), a seat frame (3), and a backrest mounting member (4). The backrest mounting member (4) is rotatably connected to the linkage assembly (1) and the seat frame (3), respectively; the linkage assembly (1) comprises an assembly plate (10) and a drive connecting rod (11), the assembly plate (10) comprises a side plate portion (12) and a support portion (13), the drive connecting rod (11) is rotatably connected between the seat frame (3) and the side plate portion (12), the side plate portion (12) is connected to one end of the support portion (13), and the other end of the support portion (13) is rotatably connected to the backrest mounting member (4). The linkage mechanism and the seat bracket optimize and simplify the structure of the seat unfolding linkage mechanism and compress the overall height of the seat bracket; a pedal telescopic mechanism (5) and the linkage assembly (1) are connected by means of a first transmission member, so that a seat is adjusted more stably and smoothly between different positions, and the comfort of the seat is improved.
Disclosed is a framework of a foldable bed, comprising a bed body (1), a bed frame (2) and a driving mechanism (3). The bed body (1) comprises a head plate (11) and a back plate (12) which are hinged in sequence. A fixed plate (13) is fixed on the bed frame (2), and the head plate (11) and the back plate (12) are arranged on the bed frame (2). The driving mechanism (3) comprises a first driving apparatus (31) and a second driving apparatus (32), wherein the first driving apparatus (31) is arranged at the bed head position of the bed frame (1) and used for driving the back plate (12) to rotate relative to the fixed plate (13); the second driving apparatus (32) is fixed on back surfaces of the head plate (11) and the back plate (12) and used for driving the head plate (11) to rotate relative to the back plate (12). The driving mechanism (3) is further provided with a third driving apparatus (33) which is used for driving leg plates (14). Three driving electric motors (311, 321, 331) are arranged at the head part and the tail part of the framework of the foldable bed, so that the head part, back part and leg parts can be independently adjusted, the foldable bed is suitable for different people, and the usage experience of the foldable bed is improved.
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A61G 7/015 - Beds specially adapted for nursingDevices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
A mechanically extensible sofa iron frame. A seat assembly (1) comprises: a base (11), a first rotation member (12), a second rotation member (13), and a seat linkage structure (14) provided between the first rotation member (12) and the second rotation member (13). Both the first rotation member (12) and the second rotation member (13) are connected to the base (11); the seat linkage structure (14) comprises a back support linkage (141); the back support linkage (141) is provided with a seat connection point (1411), a transmission connection point (1412), and a back support connection point (1413); the seat connection point (1411) is connected to the first rotation member (12); the back support connection point (1413) is connected to a back support assembly (3), wherein the distance between the transmission connection point (1412) and the seat connection point (1411) is L1, the distance between the transmission connection point (1412) and the back support connection point (1413) is L2, and the ratio of L1 to L2 ranges from 0.95 to 0.75; the back support assembly (3) and a leg support assembly (4) are separately connected to a linkage assembly (2); the linkage assembly (2) is connected to the seat linkage structure (14), so as to allow the legs and the head to move at the same time, so that the legs can be higher than the head when a user is lying on the back to experience a feeling of complete weightlessness, and the structure is stable.
A47C 20/12 - Head-, foot- or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously using rods using telescopic rods
A47C 17/04 - Sofas, couches, settees, or the like, with movable partsChair beds
A sofa supporting underframe, comprising a front module member (1), a rear module member (2), and two correspondingly arranged side module members (3). The front module member (1) and the rear module member (2) are respectively connected between the two side module members (3); the front module member (1), the rear module member (2) and the two side module members (3) are all manufactured by means of a blow molding process; and the front module member (1) is provided with a first reinforcing portion for reinforcing the bearing capacity of the front module member (1), the rear module member (2) is provided with a second reinforcing portion for reinforcing the bearing capacity of the rear module member (2), and the side module members (3) are provided with third reinforcing portions for reinforcing the bearing capacity of the side module members (3). The sofa supporting underframe is manufactured by using the blow molding process, and has the advantages of a low weight, a high production speed and few required manufacturing raw materials; and by means of providing the reinforcing portions on all the module members, materials are further saved on, the weight of a backrest is reduced, and the strength is improved.
A sofa backrest, comprising a main body (1), which is manufactured by using blow molding and is provided with an inner cavity. The main body (1) is provided with a backrest cavity (18) for providing deformation space for elastic members (2), reinforcing portions (111) for enhancing the bearing capacity of the main body (1), and several connecting members (121) for connecting the elastic members (2). The sofa backrest is manufactured by using a blow molding process, such that compared with a traditional solid sofa backrest, the sofa backrest has the advantages of a low weight, a high production speed and few required manufacturing raw materials; and the reinforcing portions (111) are provided, such that materials are further saved on, the weight of the backrest is reduced, and the strength is improved.
A sofa armrest, comprising: a main body (1) made by blow molding, the main body (1) being provided with a storage cavity (11) which is open outwards and used for storing an electric wire, a wire inlet hole (12) used for introducing the electric wire and a mounting hole (13) used for mounting a control device, wherein the wire inlet hole (12) and the mounting hole (13) are both in communication with the storage cavity (11); and a cover body (2), which covers the storage cavity (11) and is detachably connected to the main body (1). Compared with a traditional solid sofa armrest, the sofa armrest has the advantages of low weight, high production speed and less required manufacturing raw materials; and the main body (1) is used in combination with the cover body (2), facilitating the storage of an electric wire and maintenance and improving electrical power utilization safety level.
An easy-upholster sofa backrest, comprising a main body (1). The main body (1) comprises a main back body (11) and side back bodies (12) provided on either side of the main back body (11). The lower end of the main back body (11) is provided with at least one first groove (16) for accommodating an edge of a backrest fabric. The main back body (11) and the two side back bodies (12) constitute a main bearing part of the main body (1) of the sofa backrest. When in use, a connection strip is sewed on the edge of the backrest fabric, and is then pressed into the first groove (16) by means of a fixing member, thereby implementing the connection between the backrest fabric and the sofa backrest. The sofa backrest features a simple and convenient connection mode and simple operations and facilitates improving production efficiency. If an error occurs during assembling, the backrest fabric can be easily removed, thus implementing mounting/removal of the backrest fabric without damages.
A sofa armrest, comprising a main body (1) manufactured by using a blow molding process. The upper end of the inner side surface of the main body (1) is recessed inwards to form a fabric mounting groove (18) used for mounting an armrest fabric; the lower end of the inner side surface of the main body (1) is provided with snap-fit grooves (161) used for connection to connecting members of a sofa base frame. The sofa armrest is manufactured by using the blow molding process, and thus has advantages of a low weight, a fast production speed, and fewer raw materials required for manufacturing compared with conventional solid sofa armrests. The fabric mounting groove (18) is used to mount the armrest fabric so as to control the armrest fabric not to protrude out of the inner side surface of the sofa armrest; the snap-fit grooves (161) are used to mount the connecting members of the sofa base frame to achieve seamless connection between the sofa armrest and the sofa base frame; when the armrest fabric is squeezed and out of shape, impurities are accumulated on the lower wall of the fabric mounting groove (18) or on a seat cover fabric, thereby facilitating cleaning dust and impurities to maintain the overall cleanness of a sofa.
A sofa seat frame (1), a sofa base assembly having the sofa seat frame (1), a sofa, and a sofa production and assembly process. The sofa seat frame (1) comprises two cross beams (12) which are spaced apart and two longitudinal beams (11) which connect the two cross beams (12); a plurality of bearing elastic pieces (13) are provided between the two cross beams (12); the longitudinal beams (11) comprise first bearing plates (111) used for bearing a cushion and first side plates (112) respectively provided on one side of each of the lower parts of the first bearing plates (111) and adapted to be detachably connected to a sofa surface material on the cushion. When the cushion is placed on the bearing elastic pieces (13), the first bearing plates (111) can provide a certain supporting force for the cushion, so as to improve the sitting comfort of a user; during assembly of the sofa surface material, the sofa surface material on the cushion can be connected to the sofa seat frame (1) as long as bars are provided at the edges of the sofa surface material and then the bars are engaged with the lower edges of the first side plates (112) on the longitudinal beams (11).
Disclosed are a sofa backrest connecting structure and a sofa assembly. The connecting structure comprises a first component (11) and a second component (12). The first component (11) comprises a first base plate (111), two guide rails (112) symmetrically arranged on the first base plate (111), and a limiting member (113) arranged on the first base plate (111), with the limiting member (113) being provided with a clamping protrusion (1132); the second component (12) comprises a second base plate (121) and a first transverse plate (122) connected to the second base plate (121), the second base plate (121) comprises an insertion part (1211), and a clamping hole (12111) matching the clamping protrusion (1132) is provided in the insertion part (1211); after the insertion part (1211) is in sliding insertion fit along the two guide rails (112), the clamping protrusion (1132) is clamped in the clamping hole (12111); and the first transverse plate (122) is used for being connected to a sofa seat frame (2), and the first base plate (111) is used for being connected to a sofa backrest (3). By using the connecting structure, firm connection between the sofa backrest (3) and the sofa main body can be realized, and in addition, the sofa backrest (3) is more conveniently mounted and dismounted, such that the mounting and dismounting efficiency of the sofa assembly is improved.
A sofa armrest connection structure (1) and a sofa assembly. The sofa armrest connection structure (1) comprises a first member (11) and a second member (12); the first member (11) comprises a first substrate (111), two guide rails (112) symmetrically provided on the first substrate (111), and a limiting member (113) provided on the first substrate (111) and located below the two guide rails (112); the second member (12) comprises a second substrate (121) and two guide bars (122) symmetrically provided on the second substrate (121), and the two guide bars (122) are respectively in a slidable insertion fit with the two guide rails (112); several bolt holes (114) are provided on both the first substrate (111) and the second substrate (121); the first substrate (111) is adapted to be connected to a sofa seat frame (2), and the second substrate (121) is adapted to be connected to a sofa armrest (3); or, the first substrate (111) is adapted to be connected to the sofa armrest (3), and the second substrate (121) is adapted to be connected to the sofa seat frame (2). The sofa armrest connection structure (1) allows for more convenient mounting and disassembly of the sofa armrest (3), and greatly improves the flexibility of assembly of the sofa armrest (3) because the mounting position can be adjusted by means of the bolt holes (114).
A connecting rod assembly for a folding bed, and a folding bed. The connecting rod assembly comprises two first connecting rods (11), two second connecting rods (12) and a first linkage rod (13). One end of each first connecting rod (11) is slidably connected to a lower leg board (21) of the folding bed, and the other end is rotatably connected to a folding bed frame (2). One end of each second connecting rod (12) is rotatably connected to a first connecting rod (11), and the other end is used for driving an upper leg board (22) of the folding bed to rotate. Two ends of the first linkage rod (13) are respectively fixedly connected to the two first connecting rods (11). The connecting rod assembly for the folding bed may be completely hidden in the bed frame, so that the folding bed may be used on the ground with zero clearance, and the overall thickness of the bed frame can be reduced, so that the bed body is thinner, the occupied space after folding is decreased, and transportation costs are significantly reduced.
A hinge assembly for a folding bed, and a folding bed. The hinge assembly comprises a linkage rod (12) and two back supports (11). One end of each back support (11) is slidably connected to a back board (24) of the folding bed, and the other end is rotatably connected to a folding bed frame (2). Two ends of the linkage rod (12) are respectively fixedly connected to the two back supports (11). The linkage rod (12) is connected to a back driving apparatus (3), and drives the back board (24) to rotate with respect to the folding bed frame (2). The electric bed is simple in structure and easy to adjust, the bed body is ultra-thin, transportation costs are reduced, and zero clearance contact with the ground may be achieved during use.
A support plate (2) applicable to a functional sofa iron frame comprises: a surface plate (23) for supporting a soft cushion; an inner side plate (21) disposed on a lower surface of the surface plate (23), and provided with a plurality of rotation connection points (26) enabling a rotatable connection with a driving link rod group (3) on the functional sofa iron frame; and an outer side plate (22) connecting to a connector on the sofa fabric, the outer side plate (22) being provided on the lower surface of the surface plate (23) and disposed opposite to the inner side plate (21). During upholstering, workers only need to fasten the connector on the sofa fabric to the outer side plate (22) to achieve installation of the soft cushion. The upholstering process is simple and convenient, can be easily carried out, and reduces the difficulty of detaching the connector on the sofa fabric. Moreover, the sofa fabric does not need to be arranged around the surface plate (23), thus avoiding wear between the sofa fabric covering the soft cushion and the surface plate (23).
Disclosed is a supporting assembly frame facilitating sofa fabric surface covering. The supporting assembly frame comprises two supporting plates (2) arranged opposite each other; each of the supporting plates (2) comprises an inner side plate (21) for being hinged to a driving connection rod set (3) on a functional sofa iron stand, an outer side plate (22) for being connected to a connecting member on sofa fabric, and a panel (23) for connecting the inner side plate (21) with the outer side plate (22) and supporting a soft bag; and a front rod (4) and a rear rod (5) are correspondingly arranged between the two supporting plates (2) at an interval, and a first vertical plate (41) and a second vertical plate (51) that are used for being connected to connecting members on the sofa fabric are arranged on the front rod (4) and the rear rod (5), respectively.
Disclosed is a sofa production method, comprising the following steps: producing a base, two supporting plates, and two drive connecting rod sets according to a specified size, and hingedly connecting and assembling those to obtain a functional rack of an iron sofa stand; producing a front rod and a rear rod according to the specified size, and correspondingly arranging the front and rear rods between the two supporting plates at an interval to obtain the iron sofa stand, wherein the two supporting plates are connected to the front and rear rods to form a supporting assembly frame; mounting elastic bearing members on the supporting assembly frame; covering the elastic bearing members on the iron sofa stand with a soft pack; processing a sofa fabric to a set size, then wrapping the soft pack with the sofa fabric and fixing same on the support assembly frame to complete the production of a sofa cushion part; and mounting a backrest frame, a footrest frame, and two armrest frames on the iron sofa stand to complete the production of a sofa.
An electric bed body, comprising a fixed bed frame (1), a movable bed frame (2) capable of moving relative to the fixed bed frame (1), and a driving mechanism (3) for driving the movable bed frame (2) to move. The movable bed frame (2) is provided with space frames (213, 233) for the driving mechanism (3) to be embedded, a horizontal pipe (221), and a plurality of vertical pipes disposed on the upper and lower sides of the horizontal pipe (221); force distribution of the vertical pipes is performed to enable the electric bed body to change between a flat-lying state and a raised state; when the electric bed body is in the flat-lying state, the driving mechanism (3) is embedded in the space frames (213, 233), the configuration positions of all the vertical pipes and the position of an output shaft of the driving mechanism (3) are all located on the vertical central axis of the fixed bed frame (1), and the height of the lower surface of the driving mechanism (3) from the ground is not less than the height of the lower surface of the electric bed body from the ground.
A sofa iron frame structure, a sofa and a method for producing a sofa. The iron frame structure has a base (1), two supporting plates (2) provided opposite to each other for supporting a soft bag and being connected to sofa fabric, and two sets of drive connecting rods (3) respectively connecting the two supporting plates (2) to the base (1); the two supporting plates (2) are spaced apart from each other and correspondingly provided with a front rod (4) and a rear rod (5), and several bearing elastic members (6) for supporting the soft bag are provided between the front rod (4) and the rear rod (5); a supporting assembly constituted by the front rod (4), the rear rod (5) and the bearing elastic members (6) is directly combined with the sofa iron frame structure, avoiding the structure of introducing an additional seat bag frame to support the soft bag, simplifying the structure of the sofa iron frame, improving the assembly efficiency, saving materials, and reducing costs.
A support assembly for a functional sofa iron frame, comprising: two oppositely disposed support plates (2). Each support plate (2) comprises a panel (23) for supporting a soft cushion and an inner plate (21) provided on the panel (23); the inner plate (21) is provided with a plurality of articulation points (26) for articulating driving link groups (3) on the functional sofa iron frame; a front rod (4) and a rear rod (5) spaced apart from each other are correspondingly provided between the two support plates (2); a plurality of hooks (71) are respectively provided on the front rod (4) and the rear rod (5); the hooks (71) on the front rod (4) are integrally formed by stamping by a first horizontal plate (42); and the hooks (71) on the rear rod (5) is integrally formed by stamping by a second horizontal plate (52). The support assembly also comprises a plurality of serpentine springs (6), both ends of the serpentine springs (6) being correspondingly connected to the hooks (71) on the front rod (4) and the rear rod (5), respectively.
Disclosed is a sofa frame, comprising a base, a first connector, and two extension mechanisms located at two sides of the base. Two ends of the first connector are respectively connected to the two extension mechanisms, and the two extension mechanisms are separately and rotatably connected to the base. A first connection portion is provided at the base, and is rotatably connected to an end of a driving member. A second connection portion is provided at a middle portion of the first connector, and is rotatably connected to the driving member. The first connector is driven by the driving member to move, so as to drive the extension mechanisms to extend or retract. The sofa frame includes fewer integral components, has a simple structure, and features convenient installation, low costs and easy operation. The base and the first connector are rotatably connected to the driving member by means of the first connection portion and the second connection portion respectively, so as to simplify requirements for a transmission structure of the sofa frame. The first connection portion and the second connection portion are connected to the driving member by means of a first rotation shaft and a second rotation shaft respectively, so as to improve the installation efficiency of the sofa frame.
A sofa linkage support apparatus comprises a base (1), a driving mechanism (6), a sliding mechanism (2), a first linkage rod (22), a second linkage rod (23), and two retractable supports (3) provided on the base (1). One end of a slide rail (21) is connected to the first linkage rod (22), and the other end of the slide rail (21) is suspended. A slider (24) is mounted on the slide rail (21), and is slidable along the slide rail (21). Two ends of the first linkage rod (22) and two ends of the second linkage rod (23) are respectively connected to two retractable mechanisms. The second linkage rod (23) is connected to the slide rail (21) by means of the slider (24). The driving mechanism (6) comprises a driving motor (61) and a lead screw (62). The lead screw (62) is provided in the slide rail (21). The driving motor (61) is used to drive the lead screw (62) to rotate. The lead screw (62) is used to drive the slider (24) to reciprocate along the slide rail (21). The slider (24) drives, by means of the first linkage rod (22) and the second linkage rod (23), the two retractable supports (3) to extend or retract. The apparatus has a simple structure and high precision, ensures that a sofa moves smoothly and produces less noise during a change of configuration, and eliminates sudden changes and shaking of the sofa.
A47C 17/04 - Sofas, couches, settees, or the like, with movable partsChair beds
A47C 1/035 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably-coupled seat and back-rest
A sofa frame device, comprising a base (1), a linkage mechanism (2), and two extension frames (3) symmetrically disposed at the base (1). The linkage mechanism (2) comprises a first linkage rod (21) and a second linkage rod (22). Two ends of the first linkage rod (21) are respectively connected to the two extension frames (3). Two ends of the second linkage rod (22) are also respectively connected to the two extension frames (3). A first connector (211) is disposed at a middle portion of the first linkage rod (21), and a second connector (221) is disposed at a middle portion of the second linkage rod (22). The first connector (211) and the second connector (221) are connected to a driving member, and are driven by the driving member to move relative to each other, so as to drive the two extension frames (3) to extend or retract. The sofa frame device achieves smooth movement and low noise during position conversion of a sofa, avoids sudden changes in speed, and prevents the frame device from getting stuck or shaking.
A47C 1/035 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably-coupled seat and back-rest
A47C 17/86 - Parts or details specially adapted for beds, sofas or couches not fully covered by any single one of groups
A47C 17/04 - Sofas, couches, settees, or the like, with movable partsChair beds
Disclosed is an electric expansion device for a sofa, the device comprising a base, a drive mechanism, and two expansion mechanisms located on two sides of the base, wherein the two expansion mechanisms are respectively rotatably connected to the base; the drive mechanism comprises a drive assembly and a sliding assembly; the drive assembly comprises an electric motor and a lead screw; the electric motor is rotatably connected to the base; an output shaft of the electric motor is connected to the lead screw; the sliding assembly comprises a sliding rail, a sliding member and a first connecting member; one end of the sliding rail is connected to the electric motor, and the other end of the sliding rail is suspended; the sliding member is mounted on the sliding rail; the middle of the first connecting member is rotatably connected to the sliding member, and two ends of the first connecting member are respectively connected to the two expansion mechanisms; the electric motor is used for driving the lead screw to rotate; the lead screw is used for driving the sliding member to reciprocate along the sliding rail; and the sliding member drives, by means of the first connecting member, the expansion mechanisms to expand or retract. The above-mentioned electric expansion device for a sofa can solve the problems of the existing electric expansion devices for a sofa, such as a complex structure, difficult installation, high costs, inconvenient operation, and complex requirements for a transmission structure.
A telescopic sofa apparatus (100), comprising an extension bracket, the extension bracket comprising a seat assembly (10), a linkage assembly (20), a leg portion assembly (30) and a backrest assembly (40), wherein the linkage assembly (20) is rotatably connected to the seat assembly (10), the backrest assembly (40) is separately rotatably mounted on the seat assembly (10) and the linkage assembly (20), the seat assembly (10) is fixed and does not move, and the seat assembly (10) is provided with sequential guide grooves (111); the linkage assembly (20) comprises guide protrusions (221), and the guide protrusions (221) slide and are accommodated in the sequential guide grooves (111), the linkage assembly (20) moving so that the guide protrusions (221) slide along the sequential guide grooves (111); once the leg portion assembly (30) extends completely, the backrest assembly (40) rotates again relative to the seat assembly (10); when the mechanism extends, the sliding of the guide protrusions (221) is limited by means of the sequential guide grooves (111), thus the movement of the linkage assembly (20) is controlled such that, during the extension process, once a leg portion of the leg portion assembly (30) extends completely, the backrest assembly (40) topples over again. The described apparatus is convenient to use, meets human requirements, reasonably controls the extension sequence, and ensures that the leg portion of a user extends first, then the head portion is reclined, and thus the level of comfort is high.
A47C 17/17 - Sofas, couches, settees, or the like, with movable partsChair beds changeable to beds by tilting or pivoting the back-rest with coupled movement of back-rest and seat
A47C 17/86 - Parts or details specially adapted for beds, sofas or couches not fully covered by any single one of groups
Provided is a functional sofa mechanical stretching device, including a stretching bracket. The stretching bracket comprises a backrest assembly, a seat assembly and a leg assembly. The seat assembly includes a seat frame mounting plate and a base plate, the seat assembly also includes a linkage mechanism. The linkage mechanism includes a leg linkage assembly, a backrest linkage assembly and a connecting rod. The leg assembly is rotatably mounted at the front end of the seat frame mounting plate. The backrest assembly is rotatably mounted at the rear end of the seat frame mounting plate Two ends of the leg linkage assembly are rotatably connected with the front end of the seat frame mounting plate and the base plate respectively. Two ends of the backrest linkage assembly are rotatably connected with the rear end of the seat frame mounting plate and the base plate. The connecting rod is rotatably mounted on the base plate, and two ends of the connecting rod are rotatably connected with the backrest linkage assembly and the leg linkage assembly respectively. Through the design, the functional sofa mechanical stretching device is smoother and has faster speed during posture switching, and has lower posture and is more comfortable when in a lying posture.
A double-motor extension device (100), comprising a base (10), a support frame (20), a leg-rest assembly (30), and a backrest assembly (40). The support frame is fixedly installed at the base. The leg-rest assembly and backrest assembly are rotatably installed at two opposing ends of the support frame. The double-motor extension device further comprises a first drive structure (50) and a second drive structure (60). The support frame comprises an installation tube (28). The first drive structure comprises a first connection tube (52) and a first drive member (54). The first connection tube is fixedly installed at the backrest assembly. The first drive member has two ends rotatably connected to the first connection tube and the installation tube, respectively. The second drive structure comprises a second connection tube (62) and a second drive member (64). The second connection tube is fixedly installed at the leg-rest assembly. The second drive member has two ends rotatably connected to the second connection tube and the installation tube, respectively. The first drive structure controls elevation of the backrest assembly, and the second drive structure controls retraction of the leg-rest assembly, such that the backrest assembly and the leg-rest assembly can operate independently.
A47C 1/024 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination
A47C 1/022 - Reclining or easy chairs having independently-adjustable supporting parts
Disclosed is a movable sofa twin motor drive structure, comprising a base (10), a backrest assembly (20) rotatably mounted on the base (10), and a footrest assembly (30) rotatably mounted on the backrest assembly (20). The movable sofa twin motor drive structure further comprises a first drive structure (40) and a second drive structure (50), wherein the first drive structure (40) comprises a first drive member (42), with one end of the first drive member (42) being rotatably mounted on the base (10) and the other end rotatably connected to the backrest assembly (20), the second drive structure (50) comprises a second drive member (52), a second connecting rod (54) and a third connecting rod (56), with two ends of the second drive member (52) being respectively rotatably connected to the second connecting rod (54) and the third connecting rod (56), the second connecting rod (54) is fixedly mounted on the footrest assembly (30), and the third connecting rod (56) is fixedly mounted on the backrest assembly (20), such that the backrest assembly (20) and the footrest assembly (30) operate independently and do not affect one another.
A47C 17/04 - Sofas, couches, settees, or the like, with movable partsChair beds
A47C 1/035 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably-coupled seat and back-rest
34.
Quick mounting holder structure for sinking mechanical extension device of functional sofa
The present invention discloses a quick mounting holder structure for sinking mechanical extension device of functional sofa, which includes a mounting support, a stretchable component, a backrest component, and a main body. The mounting support, the stretchable component, the backrest component are rotatably installed in the main body. The mounting support includes a crossbeam and at least one mounting piece. The crossbeam includes a side panel. At least one mounting piece is fixed on the side panel and is perpendicular to the side panel. The mounting support and wooden frame are fixed by an electric drill using a screw through the mounting hole. The operation is simple and quick. Further, at least one mounting piece is fixed on the side panel, lowering the mounting height, so that the height of the whole sofa and rocking chair is lowered. Thus, the comfortableness of the user is improved.
A sofa waist propping device includes a frame and a waist adjusting mechanism, the frame being fixed on a sofa or a seat, the waist adjusting mechanism comprising a backrest and a first driving member rotatably connected to the frame respectively, the first driving member being rotatably connected to the backrest and driving the backrest to rotate around the frame. Since the first driving member is rotatably connected to the backrest and drives the backrest to rotate around a fixing member, the position of the backrest is adjusted, with a structure simple and stable and comfortableness increased.
A47C 7/46 - Supports for the head or the back for the back with special, e.g. adjustable, profile"Ackerblom" profile chairs
A47C 17/04 - Sofas, couches, settees, or the like, with movable partsChair beds
A47C 1/024 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination
A47C 7/38 - Supports for the head or the back for the head, e.g. detachable
The present invention discloses a sofa pillow driving device, which comprises a side plate mounting member, a headrest mounting member, and a driving device, the sofa pillow driving device further comprises a rotation limit member and an elastic member, the rotation limit member being rotatably connected to the side plate mounting member, the headrest mounting member being rotatably connected to the rotation limit member, one end of the elastic member being connected to the headrest mounting member and the other end being connected to the rotation limit member, one end of the driving device being rotatably connected to the rotation limit member and the other end being rotatably connected to a backrest wood frame, the driving device drives the headrest mounting member to rotate by the rotation limit member.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
20 - Furniture and decorative products
Goods & Services
Brackets of metal for furniture; Steel sheets; Angle irons of metal; Hardware, namely, white metal pins; Metal rivets; Furniture fittings of metal; Strap-hinges of metal; Metal hardware, namely, springs; Metal hinges; Bolts of metal Electric nail pullers; Power-operated nailing guns; Starters for motors; Starters for engines; Pneumatic controls for machines, motors and engines; Pumps for machines; Electric motors for machines; Springs being parts of machines; Transmissions for machines; Shaft couplings for machines; Linear actuators Furniture; Chairs; Easy chairs; Armchairs; Sofas; Trestle tables; Rocking chairs; Furniture fittings, not of metal; Non-metal rivets; Non-metal pegs
38.
Electric mechanical stretching device of movable sofa
An electrical mechanical stretching device of a movable sofa includes a mechanical stretching device and an electrical device, wherein the mechanical stretching device includes a third leg rod and a third connecting rod. The electrical device consists of a motor sliding block connecting pipe, a motor, a motor leg fixing pipe, a motor guide rail and a motor sliding block. The motor is provided with the motor guide rail. The motor sliding block is mounted on the motor guide rail. A motor end is rotatably connected via a second rotating shaft to the motor leg fixing pipe which is fixed on the third leg rod. The motor sliding block is rotatably connected via a first rotating shaft to the motor sliding block connecting pipe which is fixed on the third connecting rod. A base of the mechanical stretching device is connected by two bottom connecting pipes.
A47C 1/031 - Reclining or easy chairs having coupled adjustable supporting parts
A47C 1/035 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably-coupled seat and back-rest
A47C 17/175 - Sofas, couches, settees, or the like, with movable partsChair beds changeable to beds by tilting or pivoting the back-rest with coupled movement of back-rest and seat with tilting or lifting seat-back-rest pivot
A47C 1/0355 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably-coupled seat and back-rest actuated by linkages, e.g. lazy-tongs mechanisms
39.
Electric and mechanical stretching apparatus for movable sofa
The invention is an electromechanical stretching apparatus of a convertible sofa, which consisting of a mechanical stretching apparatus and an electric actuator, the mechanical stretching apparatus being provided with an electrically-driven connecting rod, wherein, the electric actuator consists of a motor, a motor connecting tube, a motor movable slider, and a motor head fixing part, the motor adopted is a motor with a guide rail, the motor movable slider is installed on the guide rail of the motor, the motor head is rotationally connected through a second rotor shaft to the motor head fixing part fastened on the electrically-driven connecting rod, the motor connecting tube is connected to the motor movable slider through a first rotor shaft and the motor connecting tube is fastened on the mechanical stretching apparatus. The said motor connecting tube is fastened on a linkage part of the mechanical stretching apparatus. The said first rotor shaft and the second rotor shaft are both a bolt. By changing the electronic driving device, the invention increases automaticity and comfort of the convertible sofa, and improves installation, removal, maintenance, and operation efficiency of an electric actuator of the convertible sofa.
A47C 1/031 - Reclining or easy chairs having coupled adjustable supporting parts
A47C 17/04 - Sofas, couches, settees, or the like, with movable partsChair beds
A47C 1/0355 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably-coupled seat and back-rest actuated by linkages, e.g. lazy-tongs mechanisms
A47C 17/86 - Parts or details specially adapted for beds, sofas or couches not fully covered by any single one of groups
A47C 1/032 - Reclining or easy chairs having coupled adjustable supporting parts the parts being movably-coupled seat and back-rest
A47C 1/034 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest
A mechanical stretching device of a convertible sofa includes left components, right components, a switch component, and a locking spring. The left components are fixedly connected to the right components by fixing components. The switch component is mounted on the left components or on the right components. The left components and the right components respectively include a foot plate, a first foot lever, a second foot lever, a third foot lever, a fourth foot lever, a fifth foot lever, a side plate, a rotating shaft transmission member, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a sixth connecting rod, a back member, a calf plate, a first support member, a second support member, a linkage member, a protective member, a seahorse member, and a bottom foot.
A47C 1/031 - Reclining or easy chairs having coupled adjustable supporting parts
A47C 1/0355 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably-coupled seat and back-rest actuated by linkages, e.g. lazy-tongs mechanisms
The invention is directed to a movable backrest of an adjustable chair, which can include: a backrest assembly, a first backrest support, a first backrest connector, a second backrest support, a second backrest connector, and a backrest guiding apparatus; the backrest assembly is connected to the first backrest support through a first shaft, the backrest assembly is connected to the guiding apparatus through a seventh shaft, the first backrest support is connected to the first backrest connector through a second shaft, the backrest guiding apparatus is connected to the first backrest connector through a sixth shaft. The invention is simple, durable, and easy to operate, can help eliminate a gap between the backrest and the sitting pad when the adjustable chair is at different positions, reduce the friction feeling of a person's back and prevent the backrest from touching the well when the adjustable chair is at different positions.
A47C 1/024 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination
A47C 1/0355 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably-coupled seat and back-rest actuated by linkages, e.g. lazy-tongs mechanisms
A47C 1/034 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest
A47C 3/00 - Chairs characterised by structural featuresChairs or stools with rotatable or vertically-adjustable seats
A follow-up device of a backrest of a movable chair is provided with a backrest piece (1), a first backrest supporting piece (2), a first backrest connector (3), a second backrest supporting piece (4), a second backrest connector (5) and a backrest guiding piece (6), wherein the backrest piece (1) is connected with the first backrest supporting piece (2) through a first rotating shaft (A), the backrest piece (1) is connected with the backrest guiding piece (6) through a seventh rotating shaft (I), the first backrest supporting piece (2) is connected with the first backrest connector (3) through a second rotating shaft (B), the backrest guiding piece (6) is connected with the first backrest connector (3) through a sixth rotating shaft (H), the second backrest supporting piece (4) is connected with the first backrest connector (3) through a third rotating shaft (C), the second backrest connector (5) is connected with the backrest guiding piece (6) through a fifth rotating shaft (G), and the second backrest supporting piece (4) and the second backrest connector (5) are intersected with each other and then connected with each other through a fourth rotating shaft (F). The center line of the first rotating shaft (A), the center line of the second rotating shaft (B), the center line of the sixth rotating shaft (H) and the center line of the seventh rotating shaft (I) form a parallelogram. The follow-up device is simple in structure, the backrest and a seat cushion are connected with each other in a gapless manner even if the movable chair are in different postures, and the backrest can move with a user's back.
A47C 1/024 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination
A47C 1/032 - Reclining or easy chairs having coupled adjustable supporting parts the parts being movably-coupled seat and back-rest
A mechanical extension device of a movable sofa comprises a left side part, a right side part, a switching part and a locking spring (24), wherein the left side part and the right side part are fixedly connected by a fixing part, the switching part is mounted on the left side part or the right side part, and each of the left side part and the right side part is provided with a foot plate (15), a first foot rod (1), a second foot rod (14), a third foot rod (23), a fourth foot rod (3), a fifth foot rod (22), a side plate (9), a rotating shaft transmission part (4), a first connecting rod (16), a second connecting rod (20), a third connecting rod (12), a fourth connecting rod (21), a fifth connecting rod (26), a sixth connecting rod (25), a backrest part (8), a small foot plate (2), a first support part (13), a second support part (10), a linkage part (18), a protection part (11), a hippocampus part (19) and a bottom foot (17). According to the mechanical extension device, by designing parts, connecting points and position limitation, the sitting height of the mechanical extension device of the movable sofa is reduced, the feet of a user are on the ground when the user is in a sitting posture, the fatigue of the feet can be avoided, and the mechanical extension device is conductive to popularization of functional sofas on the market and can enrich the styles of the functional sofas.
A mechanical stretching device includes first, second, third and fourth foot levers, a side plate, first, second, third, fourth, fifth and sixth connecting rods, a first support member, a second support member, a linkage member, a connecting member, a rotating shaft transmission member, a spring, and a bottom connecting rod. A first limiting surface and a second limiting surface are disposed on the second foot lever, a third limiting surface is disposed on the fourth foot lever, a fourth limiting surface and a fifth limiting surface are disposed on the side plate, a sixth limiting surface and a seventh limiting surface are disposed on the second connecting rod, an eighth limiting surface is disposed on the sixth connecting rod, a ninth limiting surface is disposed on the first support member, and a tenth limiting surface is disposed on the linkage member.
A47C 1/031 - Reclining or easy chairs having coupled adjustable supporting parts
A47C 1/034 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest
A47C 1/0355 - Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably-coupled seat and back-rest actuated by linkages, e.g. lazy-tongs mechanisms
A47C 17/04 - Sofas, couches, settees, or the like, with movable partsChair beds
