The present invention discloses a brushless motor, which comprises a stator assembly, a rotor assembly, a housing, an end cover and a circuit board assembly, wherein the circuit board assembly is provided with a brushless motor control chip configured as an integrated chip. The present invention also discloses an air pump system for a vehicle seat, which comprises an air pump arranged in the vehicle seat and the aforementioned brushless motor for driving the air pump. In addition to the advantages of long service life, controllable PWM speed, improved electromagnetic compatibility, low motor noise and vibration and high efficiency that a common brushless motor possesses, the brushless motor of the present invention also has the advantages of low cost, compact structure and strong resistance against electromagnetic interference.
The present invention relates to a motor, comprising a housing and, arranged in the housing, a stator assembly and a rotor assembly. The stator assembly comprises a stator and a stator winding, the stator winding being electrically connected at an axial end part to a printed circuit board assembly. The printed circuit board assembly is electrically connected to a motor plug located on the outer side of the housing, and comprises a first printed circuit board and a second printed circuit board which are axially spaced apart from each other and electrically connected to each other. The first printed circuit board and the second printed circuit board each comprise a protruding portion extending into a receiving chamber of the motor plug. The motor of the present invention uses the two printed circuit boards axially spaced apart from each other, and each printed circuit board has the protruding portion extending into the motor plug, such that even if the motor has a small outer diameter size, great power and a larger working current, the space arrangement requirements of various electronic devices can also be met, and wiring can be also made to meet the specification of the automobile industry.
A brushed DC motor includes a housing in which a receiving space is formed, a stator arranged in the receiving space and presenting magnetic poles, and a rotor having a rotor hub and a plurality of rotor teeth extending radially outward therefrom. Between each set of adjacent teeth of the plurality of rotor teeth a tooth slot is formed. The rotor hub is connectable to an output component to output power. Windings are positioned in the tooth slots. A ratio of the number of rotor teeth of the plurality of rotor teeth to the number of magnetic poles is not an integer. A number of windings in a first tooth slot of the tooth slots formed is different than a number of windings in a second tooth slot of the tooth slots formed.
H02K 23/38 - DC commutator motors or generators having mechanical commutatorUniversal AC/DC commutator motors characterised by the armature windings having winding or connection for improving commutation, e.g. equipotential connection
4.
BRUSHLESS MOTOR AND BRUSHLESS MOTOR ROTOR POSITION DETECTION METHOD
The present invention discloses a brushless motor and a brushless motor rotor position detection method. A Hall sensor is arranged towards an axial end face of a rotor assembly, and a part of a rotor permanent magnet is used for providing magnetic flux to the Hall sensor. The rotor permanent magnet itself is used as a Hall sensor magnet to provide magnetic flux to the Hall sensor, instead of two conventional magnets, the Hall sensor magnet and the rotor permanent magnet, so that the processes of magnetizing both the Hall sensor magnet and the rotor permanent magnet and adjusting the relative position of the two magnets are omitted, the process complexity is reduced, and the magnetic flux consistency of the rotor magnet is greatly improved, and thus the accuracy and precision of rotor position detection are correspondingly improved. In addition, since only one magnet needs to be mounted, mounting is easy.
The present invention relates to a connecting structure for a brushless motor. The brushless motor comprises a stator assembly and a rotor assembly, the stator assembly comprises a stator and a stator winding, and the stator winding is electrically connected to a PCB at an axial end to implement power transmission via the PCB. The connecting structure comprises a first contact section and a second contact section, the first contact section is intended to be in electrical contact with a coil of the stator winding, and the second contact section is intended to be in electrical contact with the PCB, such that an electrical connection between the stator winding and the PCB can be realized via the connecting structure, and the first contact section comprises a wire breaking portion for piercing an insulating sheath of the coil and a clamping portion for clamping and holding a metal wire of the coil. The present invention further relates to a brushless motor comprising the connecting structure. In a motor structure having a small size, the connecting structure of the present invention solves the problem of circuit connection under the condition that a tin soldering process cannot be implemented due to the limited space of the motor, such that procedures and manpower are saved, and automatic production is easier.
H01R 4/2416 - Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
6.
CONNECTING STRUCTURE FOR BRUSHLESS MOTOR, AND BRUSHLESS MOTOR
The present invention relates to a connecting structure for a brushless motor. The brushless motor comprises a stator assembly and a rotor assembly, the stator assembly comprising a stator and three phases of windings wound on the stator, the three phases of windings being connected in a star shape, and the connecting structure comprising three wiring terminals, and connecting strips used to bridge the three wiring terminals. Each wiring terminal is intended to be in electrical contact with a winding coil of a corresponding phase, so as to connect one terminal of each winding phase together via the connecting strips, to form a common terminal. Each wiring terminal comprises a wire puncturing portion used to puncture an insulating outer skin of the coil, and a clamping portion used to clamp and hold a metal wire of the coil. The present invention further relates to a brushless motor comprising the connecting structure. In a relatively small motor structure, according to the connecting structure of the present invention, the problem of being unable to connect a common terminal of the motor, or it being inconvenient to implement a common terminal welding process due to limited space, is resolved, saving processes and manpower, and making it easier to implement automatic production.
H01R 4/2404 - Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
H02K 3/28 - Layout of windings or of connections between windings
H02K 29/00 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
7.
BRUSHLESS ELECTRIC MOTOR, AND AIR PUMP SYSTEM FOR VEHICLE SEAT
Provided is a brushless electric motor, comprising a stator assembly (1), a rotor assembly (2), a housing (3), an end cap (4) and a circuit board assembly (5), wherein the circuit board assembly (5) is configured with a brushless electric motor control chip configured as an integrated chip. Further provided is an air pump system for a vehicle seat. The air pump system comprises an air pump arranged in a vehicle seat, and the brushless electric motor for driving the air pump. The brushless electric motor has the advantages of an ordinary brushless electric motor, i.e. a long service life, a controllable PWM speed, improved electromagnetic compatibility, lower noise of the electric motor and less vibration thereof, and higher efficiency; and also has the advantages of being low cost, a compact structure and a good anti-electromagnetic interference performance.
The present invention relates to a brush direct current electric motor, comprising: a shell, wherein one end or two ends of the shell are open, and an accommodating space is formed in the shell; a stator, which is arranged in the accommodating space; a rotor, which is provided with a rotor hub and rotor teeth extending outwards in a radial direction from the rotor hub, wherein tooth spaces are formed between the adjacent rotor teeth, and the rotor hub can be connected to an output component, so as to output power; and windings, which are located in the tooth spaces, wherein the ratio of the number of the rotor teeth to magnetic poles of the brush direct current electric motor is a non-integer, and the number of windings located in different tooth spaces is not completely the same. According to the present invention, the electric motor is designed according to a matching scheme where the ratio of the number of the rotor teeth to the magnetic poles is a non-integer, and the winding number of each groove of the electric motor is designed to be regular and not completely the same, so that the operation current waveform of the electric motor is more obvious, thereby facilitating an electronic controller identifying the position of a rotor.
A brushless DC motor includes a housing, at least one end of which is open to form an interior receiving space. A stator assembly includes a stator and a winding arranged on the stator and is arranged in the receiving space. A rotor assembly includes a rotor coupled to an output portion to output power. Both the outer contour and inner contour of the housing are in the shape of a regular hexagon.
A transmission gear box includes a cylindrical box body defining a cavity for gears and an end cover fixed on at least one axially opened end of the cavity of the box body. A fitting structure includes an inner fitting surface located on a surface of one of the box body and the end cover and an outer fitting surface located on a surface of the other one of the box body and the end cover. The inner fitting surface and the outer fitting surface are fixed to each other. A clearance fit area with interference fit areas located on both sides thereof is arranged between the inner fitting surface and the outer fitting surface such that during welding of the inner fitting surface to the outer fitting surface, a molten body produced by melting of the interference fit areas flows to the clearance fit area.
B23K 33/00 - Specially-profiled edge portions of workpieces for making soldering or welding connectionsFilling the seams formed thereby
B23K 37/06 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for positioning the molten material, e.g. confining it to a desired area
F16H 57/031 - GearboxesMounting gearing therein characterised by covers or lids for gearboxes
The present invention relates to a motor, comprising: a motor housing, a cavity being formed inside the motor housing, a stator assembly and a rotor assembly being accommodated in the cavity, two ends of the motor housing being provided with an opening; an end cover, the end cover being arranged at one side of the motor housing and used for sealing the opening at said side; a flange portion, the flange portion sealing the opening at the other side of the motor housing; the rotor assembly is provided with a rotor shaft, one end of the rotor shaft passing through the end cover, the other end passing through the flange portion; a magnetic ring, the magnetic ring being arranged on the rotor shaft and located at the side of the end cover away from the motor housing; output teeth, the output teeth being arranged on the rotor shaft and located at the side of the flange portion away from the motor housing. The present invention reduces rotor gear parts, connects the motor and a gear box by means of the flange portion, decreases the length size, increases the degree of concentricity of the motor and the gear box, improves driver installation efficiency, and saves installation costs.
Disclosed is a planetary gear transmission box, comprising a housing portion, a first planetary gear transmission stage, and a second planetary gear transmission stage, wherein the first planetary gear transmission stage comprises a first sun gear (3), a first planetary carrier (5), and a first ring gear; the second planetary gear transmission stage comprises a second sun gear, a second planetary carrier (7), and a second ring gear (6); the first sun gear (3) is connected to an external input element; the first planetary carrier (5) is connected to the second sun gear; the second planetary carrier (7) is connected to an output element; the transmission ratio of the gear transmission box is greater than 25; and the second planetary carrier (7) is directly supported on the housing portion. The locked rotor torque of the gear box is increased, such that the output rotational speed is reduced, and thus a bearing member at the output end can be omitted.
The present utility model relates to a motor. The motor includes a stator assembly and a rotor assembly, wherein the stator assembly includes a housing and a magnet, the rotor assembly includes a rotor, and the rotor, the magnet and the housing are arranged sequentially from inside to outside. Seen from an axial direction, an outer contour of the housing does not exceed the circumference of a first circle in a radial direction, and the outer contour of the housing coincides with the first circle at a portion thereof corresponding to a magnetic pole of the magnet, and the outer contour of the housing other than the portion corresponding to the magnetic pole of the magnet is recessed inward from the first circle in the radial direction, and the outer contour of the housing in a recessed portion is asymmetrical. Seen from the axial direction, the magnet is disposed between a second circle and a third circle. The housing and magnet of the utility model are smaller in volume and lighter in weight, maintain sufficient magnetic performance, and reduce the risk of demagnetization.
H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
H02K 23/04 - DC commutator motors or generators having mechanical commutatorUniversal AC/DC commutator motors characterised by arrangement for exciting having permanent magnet excitation
A rotor assembly (100), comprising a rotor (101) and a rotor winding (102). The rotor (101) is provided with a plurality of teeth; tooth slots are provided between adjacent teeth; the rotor (101) can be connected to a rotor shaft to output power; the rotor winding (102) is composed of coils wound on the rotor (101); the rotor winding (102) comprises a portion extending in an axial direction parallel to the rotor assembly (100) and a portion extending in a plane perpendicular to the axial direction; the portion extending in the plane perpendicular to the axial direction comprises a plurality of sections; in the axial direction, the plurality of sections are in one-to-one correspondence to corresponding sides of two or more polygons, respectively. The winding method can solve the problems such as length difference of copper wires between windings due to sequential superposition of the coils in traditional windings, thus achieving the technical effects of improving the balance of the armature and minimizing the difference in resistance of windings.
The present invention relates to a brushless direct-current motor, comprising: a housing, wherein one or both ends of the housing are open, and an accommodating space is formed in the housing; a stator assembly, wherein the stator assembly comprises a stator and a winding provided on the stator, and the stator assembly is provided in the accommodating space; and a rotor assembly, wherein the rotor assembly comprises a rotor, and the rotor is connected to an output component so as to output power. The outer contour of the housing of the brushless direct-current motor comprises two parallel straight edges and two arc edges, or the outer contour of the housing of the brushless direct-current motor is in the shape of a regular hexagon, and an inner contour is also in the shape of the regular hexagon. The brushless direct-current motor provided by the present invention has the remarkable characteristics of being small in mounting size, light in weight, low in noise, small in vibration, and the like, and can meet the increasingly concerned requirements for small size, light weight, NVH, and the like of motors in the field of automobiles and the like.
A transmission gear box, comprising a box body (10), at least one end cover (20, 20') and a fitting structure. A cavity suitable for arranging gears is defined in the box body (10); the at least one end cover (20, 20') is fixed on at least one opening end, which is axially opened, of the cavity of the box body (10); the fitting structure comprises an inner fitting surface (11) provided on the surface of the cavity of one of the box body (10) and the end cover (20, 20'), and an outer fitting surface (21) provided on the peripheral surface of the other one of the box body and the end cover, and the inner fitting surface (11) and the outer fitting surface (21) are fixed to each other by means of welding; at least one clearance fit area (30) and interference fit areas (40) located on both sides of the clearance fit area (30) are configured between the inner fitting surface (11) and the outer fitting surface (21). The provided transmission gear box can effectively avoid product deformation caused due to the fact that a molten body presses the box body (10) and the end cover (20, 20') during welding.
F16H 1/32 - Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
F16H 57/03 - GearboxesMounting gearing therein characterised by means for reinforcing gearboxes, e.g. ribs
17.
Planet carrier assembly for vehicle door closing actuator
The present application relates to a planet carrier assembly for a vehicle door closing actuator. The planet carrier assembly comprises a plurality of planetary gears and a planet carrier body. The planet carrier body comprises a disc portion, a cover portion and an output shaft portion, wherein the plurality of planetary gears are rotatably mounted on the disc portion via a corresponding number of mounting shafts fixed to the disc portion, one end of the mounting shaft protruding from a central hole of the planetary gear is pressed into a corresponding receiving hole on the cover portion, and the planet carrier body is further provided with a rotation locking device to prevent the cover portion from rotating circumferentially relative to the disc portion. The planet carrier assembly according to the present application has the advantages such as low cost, high strength, and simple assembly.
F16H 57/08 - General details of gearing of gearings with members having orbital motion
F16H 1/32 - Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
F16H 57/023 - Mounting or installation of gears or shafts in gearboxes, e.g. methods or means for assembly
The present invention relates to a motor, comprising: a motor housing, a cavity being formed inside the motor housing, a stator assembly and a rotor assembly being accommodated in the cavity, two ends of the motor housing being provided with an opening; an end cover, the end cover being arranged at one side of the motor housing and used for sealing the opening at said side; a flange portion, the flange portion sealing the opening at the other side of the motor housing; the rotor assembly is provided with a rotor shaft, one end of the rotor shaft passing through the end cover, the other end passing through the flange portion; a magnetic ring, the magnetic ring being arranged on the rotor shaft and located at the side of the end cover away from the motor housing; output teeth, the output teeth being arranged on the rotor shaft and located at the side of the flange portion away from the motor housing. The present invention reduces rotor gear parts, connects the motor and a gear box by means of the flange portion, decreases the length size, increases the degree of coaxiality of the motor and the gear box, improves driver installation efficiency, and saves installation costs.
Disclosed is a planetary gear transmission box, comprising a housing portion, a first planetary gear transmission stage, and a second planetary gear transmission stage, wherein the first planetary gear transmission stage comprises a first sun gear (3), a first planetary carrier (5), and a first ring gear; the second planetary gear transmission stage comprises a second sun gear, a second planetary carrier (7), and a second ring gear (6); the first sun gear (3) is connected to an external input element; the first planetary carrier (5) is connected to the second sun gear; the second planetary carrier (7) is connected to an output element; the transmission ratio of the gear transmission box is greater than 25; and the second planetary carrier (7) is directly supported on the housing portion. The locked rotor torque of the gear box is increased, such that the output rotational speed is reduced, and thus, a bearing member at the output end can be omitted.
A rotor assembly (100), comprising a rotor (101) and a rotor winding (102). The rotor (101) is provided with a plurality of teeth; tooth slots are provided between adjacent teeth; the rotor (101) can be connected to a rotor shaft to output power; the rotor winding (102) is composed of coils wound on the rotor (101); the rotor winding (102) comprises a portion extending in an axial direction parallel to the rotor assembly (100) and a portion extending in a plane perpendicular to the axial direction; the portion extending in the plane perpendicular to the axial direction comprises a plurality of sections; in the axial direction, the plurality of sections are in one-to-one correspondence to corresponding sides of two or more polygons, respectively. The winding method can solve the problems such as length difference of copper wires between windings due to sequential superposition of the coils in traditional windings, thus achieving the technical effects of improving the balance of the armature and minimizing the difference in resistance of windings.
The present utility model relates to a motor, comprising a stator assembly and a rotor assembly. The stator assembly comprises a housing and a magnet, and the rotor assembly comprises a rotor; the rotor, the magnet and the housing are provided in sequence from the inside to the outside. As viewed from the axial direction, the outer contour of the housing does not exceed the circumference of a first circle in the radial direction, the outer contour of the housing coincides with the first circle at a portion corresponding to a magnetic pole of the magnet, the outer contour of the housing outside the portion corresponding to the magnetic pole of the magnet is inwardly recessed from the first circle in the radial direction, and the outer contour of the housing at the recessed portion is asymmetrical. As viewed from the axial direction, the magnet is located between a second circle and a third circle. The housing and magnet of the present utility model are smaller in volume and lighter in weight, and maintain sufficient magnetic performance and reduce the risk of demagnetization.
A gearbox assembly includes a housing, a cover, a screw rod inserted through the housing along a first direction, a worm wheel integrally formed on the screw rod, and a worm arranged in the housing along a second direction perpendicular to the first direction. The worm is driven into rotation by a driving shaft, so that the worm drives the worm wheel and the screw rod into rotation through a kinetic pair. The screw rod moves a lifting mechanism attached to the screw rod in a vertical direction through screw transmission. A stop pin is arranged on the housing and positioned in the direction of extension of a free end of the driving shaft of the worm against the free end.
Disclosed is an integrated coupler, comprising a body (10) made of a hard material. A first shaft hole (11) and a second shaft hole (12) are provided in the body (10). A coupling portion (30) made of an elastic material is integrally arranged on an inner wall surface of the second shaft hole (12) by means of overmolding. The inner circumferential surface of the coupling portion (30) covers a second shaft end (90) around the entire circumference. Further provided is a driver using the integrated coupler. The integrated coupler and the driver have the advantages of good reliability and convenience in manufacturing and use, and are suitable for application occasions with small and medium-sized power.
F16D 3/02 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
F16D 3/12 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted for accumulation of energy to absorb shocks or vibration
A car seat comprises: a frame, wherein a positioning plate (20) is mounted on the frame; a driving device comprising a reduction gearbox (30), wherein an installation hole (31) is provided at a housing of the reduction gearbox; a bolt (40) passing through the installation hole to be fixed to the positioning plate; and a damper pad (50) sleeved on the bolt, and comprising a flat main component (51) and a sleeve (53) extending from a central hole (52) of the main component, wherein the main component is positioned between the reduction gearbox and the positioning plate, and the sleeve is positioned between the reduction gearbox and the bolt in the installation hole. The damper pad can reduce vibrations generated by the driving device of the car seat during operation.
B60N 2/22 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
The present utility model relates to a bearing chamber structure for a motor, which comprises a bearing casing integrally formed with a motor outer casing. The bearing casing defines a cavity for receiving a bearing. The bearing is mounted on a rotor shaft against a shaft shoulder of the rotor shaft, and is received in the cavity. One end portion of the rotor shaft protrudes outwardly through a central opening of the bearing casing and is coupled with an output gear so as to output power. The bearing chamber structure is characterized in that the bearing casing comprises a flange portion between the output gear and the bearing. By employing the bearing chamber structure for a motor according to the present utility model, the axial impact force that the motor is able to withstand is greatly increased, operation stability is improved, and noise during the operation is reduced.
A permanent magnet DC motor and a vehicle seat using the motor. The motor comprises a housing (10) and a magnetic cylinder (20); the magnetic cylinder (20) is fixed to an inner cavity of the housing (10) to constitute a stator of the motor; the magnetic cylinder (20) is formed into an integral piece by means of an injection molding or pressing process; the magnetic cylinder (20) forms a plurality of sequentially connected magnetic poles by means of magnetizing, and two adjacent magnetic poles have opposite magnetic properties; the cross section of the magnetic cylinder (20) comprises a circular inner surface and an outer surface of a regular polygon; each magnetic pole has a maximum radial thickness at a middle location, and has a minimum radial thickness at the boundary with the adjacent magnetic pole. Compared with a motor in the prior art, the motor saves space and has smaller vibration and less noise when being mounted and used.
H02K 23/04 - DC commutator motors or generators having mechanical commutatorUniversal AC/DC commutator motors characterised by arrangement for exciting having permanent magnet excitation
A permanent-magnet direct current motor and a vehicle seat using said motor, the motor comprising an armature core (30) and being characterized in that said armature core (30) comprises: a shaft portion (31), the center of the shaft portion (31) being provided with a shaft hole (32) used for mounting a rotary shaft (39), and a plurality of tooth rods (33), wherein each tooth rod (33) extends outwards along the radial direction from the outer periphery of the shaft portion (31), and an end portion of each tooth rod (33) is provided with a tooth top (34) that extends perpendicular to the tooth rod; each tooth top (34) is symmetrically provided, on a radial outer end surface thereof, with two auxiliary grooves (35); each tooth rod (33) has a radially symmetrical surface (36); and radial cross-sections at places at which center points between the radially symmetrical surfaces (36) and the auxiliary grooves (35) are located form 3-10 degree angles. Due to the iron core structure of the preset motor, said motor has a smaller size, a lighter weight and is lower in cost. In particular, an iron core having the foregoing structure may effectively lessen the vibration and noise of a motor.
Disclosed are a permanent magnet direct-current electric motor, and a vehicle seat using the permanent magnet direct-current electric motor. The permanent magnet direct-current electric motor comprises a housing (10), wherein the housing (10) comprises a first section (11) having a regularly polygonal cross section, an outer surface of the first section (11) comprising a first plane (12) and a second plane (13), which are opposite each other; and a magnetic cylinder (20) is fixedly mounted in an inner cavity of the first section (11), an outer surface of the magnetic cylinder (20) being tightly fitted with an inner surface of the housing (10). The electric motor is especially suitable for a usage environment such as a vehicle seat with extremely limited mounting space, and compared with a cylindrical housing, the square housing (10) occupies less mounting space.
Disclosed is a permanent magnet direct-current electric motor, comprising a stator assembly and a rotor assembly, wherein the stator assembly comprises a shell (1) and a magnetic cylinder (2), and the rotor assembly comprises a rotor (3); the rotor (3), the magnetic cylinder (2) and the shell (1) are sequentially arranged from inside to outside; the ratio of an angle corresponding to a commutation interval of a surface magnetic curve of the magnetic cylinder (2) to an angle corresponding to a surface magnetic curve of a corresponding magnetic pole is less than or equal to 15%; and the outer peripheral contour of the magnetic cylinder (2) is based on a regular polygon, and curves are set at joints of various sides of the regular polygon, so as to smoothly connect the various sides of the regular polygon. In the electric motor, the noise and vibration of the electric motor are reduced, and the EMC level of the electric motor is improved.
H02K 11/02 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
A brushed direct-current electric motor, comprising a housing, a stator, a rotor and a plastic end cap, wherein the plastic end cap is provided with a brush holder (31); a carbon brush is mounted in the brush holder (31); and the rotor is provided with a commutator thereon. The brushed direct-current electric motor is provided with a multi-level EMC filter circuit capable of filtering noises in multiple frequency bands, an electronic element forming the multi-level EMC filter circuit is mounted on a circuit board provided with a conductive material layer, and the circuit board is connected to the housing of the electric motor by means of copper foil paper (81). By means of providing a multi-level EMC filter circuit, a circuit board provided with a conductive material layer, and the copper foil paper (81) which is arranged between the circuit board and the housing of the electric motor, the EMC level of the brushed direct-current electric motor is improved.
Provided is an automobile seat, comprising: a seat surface (10); a seat back (20), which is pivotable, relative to the seat surface (10), between a deployed position and a collapsed position under the drive of an external force; a headrest (30), which is movable between an extended position and a retracted position relative to the seat back (20) under the drive of an external force; a control component, comprising a first actuator mechanism (40) and a second actuator mechanism (50); said first actuator mechanism (40) is suitable for driving the seat back (20) to pivot relative to the seat surface (10) between the deployed position and the collapsed position, and the second actuator mechanism (50) is suitable for driving the headrest (30) to move between an extended position and a retracted position relative to the seat back (20); a driver (60), arranged to drive the first actuator mechanism (40) and the second actuator mechanism (50) simultaneously. The automobile seat is provided with the same drive mechanism to simultaneously drive the seat back (20) and the headrest (30), such that the structure of the control mechanism of the car seat is simpler and thereby effectively reducing the production cost of the automobile seat.
B60N 2/22 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
32.
PLANET CARRIER ASSEMBLY FOR VEHICLE DOOR CLOSING ACTUATOR
The present application relates to a planet carrier assembly for a vehicle door closing actuator, comprising a plurality of planet gears and a planet carrier body. The planet carrier body comprises a disc-shaped part, a cover part, and an output shaft part; the plurality of planet gears is rotatably mounted on the disc-shaped part by means of the corresponding number of mounting shafts fixed onto the disc-shaped part; the end of the mounting shaft protruding from a central hole of the planet gear is pressed into a corresponding receiving hole on the cover part; the planet carrier body is further provided with a rotation locking means to prevent the cover part from circumferentially rotating with respect to the disc-shaped part. The planet carrier assembly according to the present application is low in costs, high in strength, simple in assembly, etc.
F16H 1/32 - Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
E05F 15/603 - Power-operated mechanisms for wings using electrical actuators using rotary electromotors
33.
END COVER USED FOR BRUSHED DIRECT CURRENT MOTOR AND BRUSHED DIRECT CURRENT MOTOR COMPRISING END COVER
Provided by the present application is an end cover used for a brushed direct current motor, the end cover being provided thereon with a power supply, two carbon brushes, and two groups of a plurality of rod inductors connected in series; an end of a first group of a plurality of rod inductors connected in series is connected to a positive pole of the power supply, while the other end of the first group of a plurality of rod inductors connected in series is connected to a first carbon brush; an end of a second group of a plurality of rod inductors connected in series is connected to a second carbon brush, while the other end of the second group of a plurality of rod inductors connected in series is connected to a negative pole of the power supply. Further provided by the present application is a brushed direct current motor. In the present application, by means of disposing two groups of a plurality of rod inductors connected in series on an end cover of a brushed direct current motor, the inductance in a power supply circuit may be increased without increasing the axial length of a motor, thereby improving the EMC performance of the motor.
H02K 5/14 - Means for supporting or protecting brushes or brush holders
H02K 13/00 - Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windingsDisposition of current collectors in motors or generatorsArrangements for improving commutation
An adjustment driver (1) for a car seat, comprising a box body (2), a box cover (3) adapted to the box body (2), and a transmission apparatus. The box body (2) has a cavity accommodating the transmission apparatus; the box cover (3) is provided with at least two through holes (13); a corresponding number of bolts (12) pass through the through holes (13) and are screwed into receiving portions (18) in the box body (2), wherein the bolts (12) have heads in the shape of an inverted cone. When the box cover (3) is locked to the box body (2) by means of the bolts (12), the head conical surfaces of the bolts (12) are abutted against the edges of the through holes (13) of the box cover (3). By using the adjustment driver, on one hand, the layout and matching on a seat framework having a limited structural space become easier, and on the other hand, high mechanical strength test requirements of a seat system can also be satisfied.
B60N 2/16 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
A driver (20) for use in opening and closing a vehicle door (10). The driver comprises an electric motor (40) and a planetary gear gearbox (50), the motor (40) comprising a motor output shaft (42), and the planetary gear gearbox (50) comprising: a gearbox input shaft (90), which co-axially connects the motor output shaft (42); a gearbox output shaft (51), which co-axially connects an end portion of a door shaft of the vehicle door to provide the door shaft (30) with the torque necessary for opening and closing the vehicle door (10). Compared with vehicle door opening and closing functions of the existing technology, the driver (20) may be installed by means of utilizing the space at the site of the door shaft (30) of the vehicle door without affecting the integrity of the body of the vehicle door (10). In addition, further provided is a vehicle door (10) provided with the driver (20).
A solenoid valve, comprising a housing (10). The housing (10) is provided with: a coil (20) that generates a magnetic field during turn-on; a static iron core (30) fixedly mounted with respect to the coil (20) and located in the magnetic field; and a movable iron core (40) that moves with respect to the coil (20) under the action of the magnetic field and attracts the static iron core (30). One of the static iron core (30) and the movable iron core (40) is provided with a protrusion (60), and the other one is provided with a slot (70) matching the protrusion (60). In at least part of the stroke of movement of the movable iron core (40) to the movable iron core (40), the protrusion (60) is located in the slot (70). Also provided are a car seat and a car door having the solenoid valve. Compared with the prior art, the solenoid valve can provide greater electromagnetic drive efficiency.
F16H 61/421 - Motor capacity control by electro-hydraulic control means, e.g. using solenoid valves
F15B 13/044 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
37.
ACTUATOR FOR USE IN VEHICLE DOOR AUTOMATIC SUCTION APPARATUS AND VEHICLE DOOR AUTOMATIC SUCTION APPARATUS
An actuator for use in a vehicle door automatic suction apparatus, comprising: a housing (1), a worm gear (3), the worm gear (3) being rotatably supported on a worm gear support shaft and can be driven to rotate by a driver apparatus, the worm gear support shaft being fixed on the housing (1); a reel (4), the reel (4) being transmissively connected to the worm gear (3); and a pullout cable (11), the pullout cable (11) being wrapped on the reel (4) and actuated by the reel (4). The actuator also comprises a clutch apparatus. The clutch apparatus is provided with a joining position for maintaining a drive chain of the actuator and a separating position for disconnecting the drive chain of the actuator.
E05B 81/20 - Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
38.
TRANSMISSION DEVICE FOR ADJUSTING ANGLE OF SEAT BACK AND VEHICLE COMPRISING TRANSMISSION DEVICE
Disclosed is a transmission device (2) for adjusting the angle of a seat back, comprising: a first-stage worm wheel transmission mechanism, comprising: a first-stage worm wheel (3) and a first-stage worm shaft (4), which are intermeshed, wherein the first-stage worm shaft (4) is suitable for coupling with a power output shaft of a power source (12); a second-stage worm wheel transmission mechanism, comprising: a second-stage worm wheel (5) and a second-stage worm shaft (6), which are intermeshed, wherein the second-stage worm shaft (6) is coaxially linked with the first-stage worm wheel (3); a driving shaft (7), wherein a first end thereof is arranged in a penetrating manner in a central hole (13) of the second-stage worm wheel (5) and is linked with the second-stage worm wheel (5) in such a way that the first end and the second-stage worm wheel (5) cannot rotate relative to each other; and a rotatable mounting plate (10) supported on a side support (11) of a seat, wherein a central hole of the mounting plate (10) is used for receiving a second end of the driving shaft (7), the mounting plate (10) is driven by the driving shaft (7), and the mounting plate (10) is provided with a mounting hole used for mounting a back frame (8). The invention also relates to a vehicle comprising the above-mentioned transmission device (2). The transmission device (2) significantly reduces the weight and size of the whole transmission device.
B60N 2/20 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
39.
THREADED ROD TRANSMISSION APPARATUS AND ELECTRIC VEHICLE DOOR LOCK
A threaded rod transmission apparatus and a corresponding electric vehicle door lock. The apparatus comprises: a threaded rod (20), the threaded rod (20) being provided on the outer surface thereof with an external thread; a nut (10), the nut (10) being provided on the inner bore surface thereof with an internal thread, the nut (10) being sleeved on the threaded rod (20), and the internal thread and the external thread meshing each other; and a damping mechanism (30), the damping mechanism (30) being connected to the threaded rod (20) to cushion and ultimately stop the rotation of the threaded rod (20).
A case assembly (1) for a gear transmission mechanism, comprising a circular case body (2) and a circular case cover (3) adapted to the circular case body (2); the circular case body (2) has a cavity (4) suitable for receiving gears (5); the circular case cover (3) can rotatably move between a holding position and a locking position relative to the circular case body (2), wherein the circular case cover (3) is provided with a positioning structure (8) having a first locking part (11); the circular case body (2) is provided with a receiving structure (10) matching the positioning structure (8), wherein the receiving structure (10) is provided with a second locking part (12); at the holding position, the positioning structure (8) is aligned with and received in the receiving structure (10) in the axial direction; and at the locking position, the first locking part (11) and the second locking part (12) are engaged with each other. The case assembly has the advantages of simple assembling mode of the case cover, less assembled parts, and low product weight.
Disclosed is a gear driving device for automotive movable parts. The gear driving device comprises a motor (100) and a driver gearbox (200). The driver gearbox comprises multiple stages of planetary gear assemblies (1, 2) connected in series and a gear assembly (3) with few teeth number difference. A first-stage planetary gear assembly in the multiple stages of planetary gear assemblies is connected to the motor; and the last-stage planetary gear assembly in the multiple stages of planetary gear assemblies is connected to the gear assembly with few teeth number difference. The gear driving device has the advantages of small volume, light weight and high working efficiency.
Provided is a gearbox assembly (1), comprising a box body (2); a box cover (3); a lead screw (4) inserted into and passing through the box body (2) in a first direction; a worm gear (5), integrally formed on the lead screw (4); and a worm rod (6), disposed in the box body (2) in a second direction perpendicular to the first direction. The worm rod (6) is in an engagement transmission with the worm gear (5); the worm rod (6) is driven to rotate via a drive shaft, so that the worm rod (6) drives the worm gear (5) and the lead screw (4) to rotate together via a kinematic pair; and the lead screw (4) moves a lifting mechanism attached to the lead screw (4) up and down by means of screw drive. The box body (2) is further provided with a stop plug (15), and the stop plug (15) is disposed in an extension line of the free end of the drive shaft of the worm rod (6), and abuts against the free end of the drive shaft. In addition, a headrest driver comprising the aforementioned gearbox assembly (1) is further provided.
A carbon brush cylinder and a motor. An inner surface of the carbon brush cylinder (1) encircles and thus forms a space for bearing a carbon brush (2), wherein heat dissipating grooves (b, c, d, e) are arranged at interior angle positions of the carbon brush cylinder (1). Due to the heat dissipating grooves arranged at the interior angle positions of the carbon brush cylinder, heat accumulated at the interior angle positions of the carbon brush cylinder is rapidly released, and thus the excessively high temperature at the interior angle of the carbon brush cylinder is avoided, and the risk of plastic melting at the interior angle positions of the carbon brush cylinder is reduced, extending the service life of the carbon brush cylinder and the carbon brush.
A ring varistor-based method for reducing electromagnetic interference of a motor, a corresponding motor commutator, and the motor. The method comprises: forming a counter bore in an end portion of a motor commutator; and placing a ring varistor into the counter bore.
H02K 13/14 - Circuit arrangements for improvement of commutation, e.g. by use of unidirectionally conductive elements
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
45.
MASSAGE SYSTEM AND CONTROL DEVICE AND METHOD THEREFOR
Disclosed are a massage system and a control device and method therefor, the massage system being particularly applicable to use as an pneumatic massage system in a vehicle. The massage system comprises an air pump (1), a plurality of electromagnetic valves (2) connected in parallel to the air pump via air circuits, a plurality of massage air-pockets respectively connected to the plurality of electromagnetic valves (2) via air circuits, and a control device (4) for controlling the inflating or deflating of each of the massage air-pockets by means of controlling the air pump and each of the electromagnetic valves (2). The control device (4) is configured such that after a first massage air-pocket is controlled so as to inflate a first massage air-pocket connected to the first electromagnetic valve, the first electromagnetic valve is sequentially controlled and a second electromagnetic valve is controlled so as to return, via the air circuits, at least one part of the air in the first massage air-pocket back to a second massage air-pocket connected to the second electromagnetic valve. The massage system is able to reduce noise, save energy, increase the operational time of the air pump and prolong the service life of the air pump.
A61H 1/00 - Apparatus for passive exercisingVibrating apparatusChiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
A61H 23/04 - Percussion or vibration massage, e.g. using supersonic vibrationSuction-vibration massageMassage with moving diaphragms with hydraulic or pneumatic drive
Disclosed is a multi-pole permanent magnet direct current motor with integrated magnetic poles, the motor comprising a stator and a rotor (3), which stator comprises a housing (1) and a permanent magnet (2) mounted in the housing (1), wherein the permanent magnet (2) has a plurality of magnetic poles (21) integrated together. The multi-pole permanent magnet direct current motor has at least one of the following advantages: the processing of the permanent magnet (2) is convenient; the permanent magnet (2) can be made of a low-cost ferrite material; the mounting and fixing of the permanent magnet (2) in the housing (1) is relatively easy; the motor has a compact structure, and the size and weight thereof are relatively small; the cogging torque is relatively small; and the mounting of the housing (1) and an end cover (4) or a bracket is convenient.
A permanent-magnet direct current motor with auxiliary slots for reducing cogging torque comprises a stator and a rotor (2). The stator comprises a casing and a plurality of permanent magnets (1) disposed at the inside of the casing. The rotor (2) is disposed in the stator. More than one auxiliary slot (4) is disposed on each crown of the rotor (2), the width of the auxiliary slot in the rotation direction of the rotor is equal to the notch width of the rotor, the depth of the auxiliary slot is equal to half of the notch width of the rotor, and the number of the auxiliary slots (4) is selected in a way that, when compared with a condition without any auxiliary slot, the least common multiple of the equivalent number of poles and slots is increased, thereby reducing cogging torque and suppressing operation vibration and noise.
A permanent magnet direct current motor rotor. Slot wedges (20) are mounted in a slot opening (16) of the rotor, each of the slot wedges (20) has at least two longitudinal slits (21) thereon, and the at least two longitudinal slits (21) do not penetrate through each other and do not penetrate through the ends of the slot wedge (20). A permanent magnet direct current motor comprising a permanent magnet direct current motor rotor as stated above.
A magnetic ring structure includes a plastic frame (1) with an inner bore (2) matched with a rotation axis. The plastic frame (1) is symmetric about the central axis of the inner bore (2). Several notches (3) uniformly-spaced in the circumference are located on the end of the plastic frame (1). Notches (3) are used for installing magnetic balls (4). The notches (3) have a rectangle cross section with width narrower than the diameter of the magnetic ball (4) and length longer than the diameter of the magnetic ball (4), and the notches have an interference fit with the magnetic balls (4). A Clip (5), which is used to fix the magnetic ball (4) axially on the notch (3), is located between the inner wall in the length direction of the notch (3) and the magnetic ball. A permanent magnet DC motor includes a stator and a rotor. The magnetic ring structure is installed on the rotation shaft of the rotor. The magnetic ring has an advantage of simple structure, low cost and handling ease.
An inflatable massage head and a massage device comprising the same are provided. The massage head (10) comprises: a base pad (11); an air bag (12) protruding from the base pad (11) after being inflated; and a massage part (13) in contact with the inflated air bag (12) to limit the expansion of the air bag (12).
A61H 23/04 - Percussion or vibration massage, e.g. using supersonic vibrationSuction-vibration massageMassage with moving diaphragms with hydraulic or pneumatic drive
A Nd-Fe-B DC motor includes a housing (2), an end cap (1), a cylindrical magnetic shoe (3), a rotor assembly (4), carbon brushes (5) and a circuit board (6). The rotor assembly (4) includes a rotor (41), armature windings (42), commutators (43) and a rotating shaft (44). The cylindrical magnetic shoe (3) is formed by Nd-Fe-B, and is fixed closely to the inner wall of the housing (2). The groove number of the rotor (41) is integral multiple of the pole number of the cylindrical magnetic shoe (3).
H02K 23/04 - DC commutator motors or generators having mechanical commutatorUniversal AC/DC commutator motors characterised by arrangement for exciting having permanent magnet excitation
patents
