Abrégé

A folding step ladder having an unfolded state and a folded state, and comprising a main ladder frame, a supporting frame, and a platform. The platform has an unfolded state and an upwardly folded state, and in the folded state, the platform is located on an extension line of the upper end of the supporting frame. The step ladder further comprises a first locking structure and a second locking structure, wherein the first locking structure is arranged at a hinger joint between the platform and the main ladder frame and is used for locking the unfolded state of the platform, and a second locking structure is arranged at the same side of the main ladder frame and the supporting frame and is used for locking the folded state of the step ladder. The second locking structure of the present application is arranged on the side of the main ladder frame and the supporting frame and is arranged at a lower position, and therefore has no requirement on the height of a user, thus facilitating actual operations of the user. In addition, the second locking structure enables the main ladder frame and the supporting frame to be attached more firmly and compactly, thereby avoiding collision sounds and looseness between the main ladder frame and the supporting frame.

Classes IPC  ?

• E06C 1/39 - Échelles ayant des plates-formesÉchelles transformables en plates-formes

Abrégé

A folding step ladder, comprising: a front ladder column; a rear ladder column, the top end of the rear ladder column being hinged to the top end of the front ladder column, and the included angle between the front ladder column and the rear ladder column being variable, so that the folding step ladder switches between a folded state and an open state; a step assembly, the step assembly comprising a first step that is arranged in parallel, and the front end of the first step being hinged to the front ladder column; and an opening and closing mechanism, comprising: a moving part, the moving part being disposed on the first step; and a guide assembly, the guide assembly being disposed on the rear ladder column. The guide assembly is provided with a guide rail matching the moving part, and the guide rail is provided with a first position and a second position. The first position is located at the bottom end of the guide rail. When the moving part is located at the first position, the folding step ladder is located in the open state. When the moving part is located at the second position, the folding step ladder is located in the folded state. The guide rail is provided with a stop structure, so as to block the moving part from moving towards the second position when the moving part is located at the first position.

Classes IPC  ?

• E06C 1/20 - Échelles susceptibles de rester dressées d'elles-mêmes avec supports reposant sur le sol à jambes de force ou supports en forme de perches
• E06C 1/383 - Échelles pliantes où les montants sont ramenés l'un contre l'autre lorsqu'on les replie
• E06C 7/08 - Structures particulières des montants, barreaux ou autres traverses

Abrégé

A ladder joint, and a ladder comprising two ladder main bodies and the ladder joint for connecting the adjacent ladder main bodies, wherein each ladder main body comprises a longitudinal supporting body; the longitudinal supporting body is provided with an insertion groove; the insertion groove is located in the end of the longitudinal supporting body that is used for engagement with the ladder joint; the ladder joint comprises two insertion portions configured to be inserted into the insertion grooves; each insertion portion has a free end and a fixed end opposite the free end; the insertion portion has a first side face opposite a bending direction of the ladder joint; the first side face of the insertion portion comprises a first section and a second section, and the first section is recessed; the first section extends in the direction from the fixed end of the first side face of the insertion portion to the free end thereof; and the first section and the second section are sequentially arranged in the direction from the fixed end of the insertion portion to the free end thereof. In the ladder joint, the phenomenon of stress concentration of the ladder joint and/or the ladder main bodies at said position is avoided, thereby avoiding damage to or destruction of the ladder joint and/or the ladder main bodies. Further provided in the present application are the ladder main body and the ladder.

Classes IPC  ?

• E06C 7/50 - Articulations ou autres éléments de liaison
• E06C 1/383 - Échelles pliantes où les montants sont ramenés l'un contre l'autre lorsqu'on les replie
• E06C 1/18 - Échelles susceptibles de rester dressées d'elles-mêmes avec supports reposant sur le sol à jambes de force ou supports en forme d'échelles

Abrégé

A foldable support column structure having a locking function, comprising: a support column (1) and an outer support column (2) of which an upper portion is hingedly connected to the support column (1). The support column (1) is provided with a holder (4) provided on the upper portion of the outer support column (2) and below the hinge point of the support column (1), and fixed relative to the support column (1). The holder (4) is provided with a locking cavity (11). An elongated slot (5) is provided on the holder (4) corresponding to the side of the locking cavity (11). A connecting rod (6) is provided between the support column (1) and the outer support column (2). The locking cavity (11) of the holder (4) is provided with a locking block (8). When the outer support column (2) is folded relative to the support column (1), the side of the locking block (8) is pressed against a positioning bolt (7). As the outer support column (2) is unfolded relative to the support column (1), the positioning bolt (7) slides towards a locking end on the side of the locking block (8). When the outer support column (2) is expanded to the maximum opening angle relative to the support column (1), the positioning bolt (7) slides to the locking end of the locking block (8), and presses against an end surface of the locking end of the locking bock (8). At the same time, the locking block (8) deflects, and then abuts against a limiting surface (12) to enter a locked state.

Classes IPC  ?

• E06C 1/383 - Échelles pliantes où les montants sont ramenés l'un contre l'autre lorsqu'on les replie

Abrégé

An unlocking structure of workbench ladder includes a platform and two ladders hinged to the two ends of the platform; wherein, the ladder includes an unlocking structure relative to the hinged joint of the platform, and the unlocking structure includes an operating button, rotating lock tongue and a first elastic element; the rotating lock tongue is arranged in the column and the upper end is a locking hook which is locked and located in the locking plate at the bottom of the platform; the first elastic element acts between the rotating lock tongue and the column driving and positioning the locking hook toward the locking plate to lock the ladder and the platform; the operating button acts on the rotating lock tongue to overcome the first elastic element and drive the locking hook to move in a direction opposite to the locking plate, unlocking the ladder and the platform.

Classes IPC  ?

• E04G 1/30 - Échafaudages à échelles
• E04G 1/34 - Structures d'échafaudage susceptibles d'être pliées en parties prismatiques ou plates ou susceptibles d'être rabattues
• E04G 7/34 - Barres ou éléments d'échafaudage avec des pièces d'assemblage fixées de façon inamovible les éléments d'assemblage utilisant un engagement positif, p. ex. des crochets ou des broches
• E06C 1/393 - Échelles ayant des plates-formes se repliant en même temps que l'échelle
• B25H 5/00 - Supports ou moyens de rangement des pièces, instruments ou outils, utilisés en liaison avec des véhiculesSupports pour ouvriers, p. ex. plates-formes roulantes pour mécaniciens

Abrégé

Disclosed is an unlocking structure for a ladder pillar of a platform, the platform comprising a platform surface (2) and two ladder pillars (1) hinged onto two ends of the platform surface (2), wherein the unlocking structure (5) is arranged on a hinge point (9) corresponding to the platform surface on each of the ladder pillars (1), and the unlocking structure (5) comprises an operating button (22), a rotatable lock tongue (17) and a first elastic member; the rotatable lock tongue (17) is rotatably arranged in a column (61), the upper end thereof is of a lock hook (20), and the lock hook (20) locks a lock plate (21) positioned at the bottom of the platform surface (2); the first elastic member acts between the rotatable lock tongue (17) and the column (61), and drives the lock hook (20) to be positioned facing towards the lock plate (21), thus achieving the locking of the ladder pillar (1) and the platform surface (2); and the operating button (22) acts on the rotatable lock tongue (17) for overcoming the first elastic member and driving the lock hook (20) to move in a direction opposite to the lock plate (21), thus achieving the unlocking of the ladder (1) and the platform surface (2). Compared to the prior art, this unlocking structure is ingenious in design and has practical improvements, such as being easy to unlock.

Classes IPC  ?

• E04G 1/00 - Échafaudages reposant principalement sur le sol
• B25H 5/00 - Supports ou moyens de rangement des pièces, instruments ou outils, utilisés en liaison avec des véhiculesSupports pour ouvriers, p. ex. plates-formes roulantes pour mécaniciens

Abrégé

Assembled and combined pallet constitutes of supporting beams and skids wherein: the supporting beams are made of the hollow metal section bar and the supporting beams are equipped with the grooves along its length direction on the top; the skids are set with inserting blocks at the bottom in relation to the grooves on the top of the supporting beams and inserting blocks are inserted into the grooves along the length direction of the grooves; the supporting beam is set with a locating lever in relation to the inserting block of each skid, and the inserting block of each skid is set with a locking hole in relation to the locating lever and the locating level passes through the corresponding locking hole of the inserting block to lock the skid. The skid connection and supporting beam is reliable and the disassembly and assembly during the use is convenient and fast.

Classes IPC  ?

• B65D 19/38 - Détails ou accessoires
• B65D 19/00 - Palettes ou plates-formes analogues, avec ou sans parois latérales, pour supporter les charges à soulever ou à déposer

Abrégé

A unit fitting support component comprises an aluminium hollow rod unit (1) and a plurality of aluminium hollow support units (2) connected thereto via insertion and connection structures. Positioning pins (5) are provided at and pass through the hollow rod unit (1), and each of the positioning pins (5) corresponds to each of the hollow support units (2). The positioning pins (5) are arranged along a track width direction at an insertion track (3), and pass through a part where a protruding reinforcing bar (4) and the insertion track (3) fit and overlap with each other, thereby fixing the hollow rod unit (1) and the hollow support units (2). The unit fitting support component has an optimized structure, reducing costs in production techniques and material aspects, and leading to increased competitiveness in market.

Classes IPC  ?

• B65D 19/28 - Palettes rigides sans parois latérales avec corps formés par jonction ou union de plusieurs éléments faits entièrement ou essentiellement en métal

Abrégé

A locking assembly modular pallet, characterized in that: an insertion block (21) comprises a main body (211) provided with a locking hook (212) on at least one side portion of an insertion groove (11) in a width direction thereof. The upper end of the locking hook (212) is rotatably engaged with the main body (211) to form a pivot, and a hook portion (2121) provided at an outer side of the lower end engages with a catching portion (111) of the insertion groove (11). A temporary positioning inclined surface (113) is provided at the bottom of the insertion groove (11) corresponding to an inner side of a base portion of the locking hook (212). When the insertion block (21) is inserted into the groove (11), an inner side of the locking hook (212) slidably engages with the temporary positioning inclined surface (113), causing the locking hook (212) to rotate outwards, such that the hook portion (2121) thereof engages with the catching portion (111) of the insertion groove (11), thereby forming a temporary positioning structure for the insertion block (21). The pallet can be mounted on a support beam from a vertical direction while maintaining a high reliability of connection between the pallet and the supporting beam, addressing the difficulty of replacing the central part of a pallet.

Classes IPC  ?

• B65D 19/26 - Palettes rigides sans parois latérales avec corps formés par jonction ou union de plusieurs éléments

Abrégé

Provided is a lock-catch-type assembled and combined tray, comprising support beams (1) and pallets (2), characterized in that: an embedded block (21) comprises a main body (211); the main body (211) is provided with a latch hook (212) in the width direction of an embedding groove (11); the outside at the other end is provided with a hook portion (2121) cooperating with a clamping and blocking portion (111) of the embedding groove (11) in a clamping and blocking manner; a step locating face (2122) is provided on the latch hook (212) corresponding to a locating rod (3); when the locating rod (3) is in a penetrating state, the locating rod (3) and the step locating face (2122) cooperate and abut against each other, and the latch hook (212) remains in the state whereby the hook portion (2121) thereof cooperates with the clamping and blocking portion (111) of the embedding groove (11) in a clamping and blocking manner; while when the locating rod (3) is not in a penetrating state, the embedded block (21) is enabled to be embedded into or released from the embedding groove (11) in the vertical direction. The present invention enables the pallets to be mounted on the support beams in the vertical direction, on the premise of ensuring high connection reliability of the pallets and the support beams, thereby solving the problem of inconvenience of replacing the pallets in the middle part.

Classes IPC  ?

• B65D 19/28 - Palettes rigides sans parois latérales avec corps formés par jonction ou union de plusieurs éléments faits entièrement ou essentiellement en métal
• B65D 19/38 - Détails ou accessoires

Abrégé

An assembled and combined tray comprises supporting beams (1) and pallets (2). The supporting beams (1) are made of hollow metal section bars and embedding grooves (11) are formed in the top faces of the supporting beams (1) in the length direction thereof. Embedded blocks (21) corresponding to the embedding grooves (11) in the top faces of each supporting beam (1) are arranged on the bottom face of each pallet (2) downwards and convexly. The embedded blocks (21) are embedded into the corresponding embedding grooves (11) in the length direction of the embedding grooves (11). Each supporting beam (1) is provided with locating rods (3) corresponding to the embedded blocks (21) of each pallet (2). Locking holes (211) corresponding to the locating rods (3) are formed in the embedded blocks (21) of each pallet (2). The locating rods (3) penetrate through the corresponding locking holes (211) in the embedded blocks (21) to lock the pallets (2). The pallets and the supporting beams are connected reliably and can be disassembled and assembled fast and conveniently in use.

Classes IPC  ?

• B65D 19/26 - Palettes rigides sans parois latérales avec corps formés par jonction ou union de plusieurs éléments
• B65D 19/38 - Détails ou accessoires

Abrégé

The present utility model provides an operation table with a telescopic table board positioned with an eccentric rocker. The operation table includes a table board and support feet, the support feet being positioned at both ends of the table board along the length direction. The table board is characterized by the following features: The table board includes a left table board and a right table board, which are slidely nested with each other at the inner end, and connected at the outer end to the support feet at both ends, respectively; as for the left table board and the right table board, one of them is fixedly provided with a rack, while the other with a corresponding claw clutch, which is mainly composed of a claw and a spring; the claw is provided at the head with a tooth head engaged with the corresponding rack, and at the tail with an unlocking operation handle; the claw is supported at the central part via the spring on the left table board or the right table board correspondingly provided with the claw clutch; the spring acts in the same direction with the tooth head, and the tooth head and the unlocking operation handle are eccentrically positioned on one side of the support center of the spring, thus constituting the telescopic positioning mechanism between the left table board and the right table board. The present utility model improves the table board structure of the operation table, greatly enhancing versatility of the operation table.

Classes IPC  ?

• B25B 1/02 - Étaux à mâchoires coulissantes

Abrégé

A telescopic table board positioned with a resilient pin is provided, which is characterized by the following features: The telescopic table board includes a left table board and a right table board slidely nested with each other; as for the left table board and the right table board, one of them is fixedly provided with a rack, while the other with a corresponding seat bore, in which is a resilient pin positioned, which is mainly composed of a positioning fastener and a spring; the positioning fastener is provided at the head with a tooth head engaged with the corresponding rack, extends at the tail through the seat bore, and is provided at the tail end with a handle; and the spring is sleeved onto the positioning fastener, and functions between the positioning fastener and the seat bore, thus constituting the resilient-pin type telescopic positioning mechanism between the left table board and the right table board. The present utility model endows the operation table board or gangplank with the telescopic function, thus enhancing versatility and satisfying different requirements for length of the table board (gangplank) on various application occasions.

Classes IPC  ?

• E04G 3/00 - Échafaudages essentiellement supportés par le bâtiment, p. ex. réglables en hauteur

Abrégé

An eccentric rocker lever positioned telescopic platform workstation includes a left platform, a right platform and supporting feet. The inner ends of the left platform and the right platform are telescopically slidably engaged with each other, and their outer ends are connected to the support feet respectively. There are a rack fixed to one of the left platform and the right platform and a fastening clutch fixed to the other one. The fastening clutch is mainly composed of a clamp and a spring. There are teeth that are engaged with the rack disposed on the top of the clamp and a releasing operating handle disposed on the bottom of the clamp. The middle of the clamp is supported on the platform that is connected with the fastening clutch via the spring, so as to form the telescopic positioned mechanism between the left platform and the right platform.

Classes IPC  ?

• A47B 1/10 - Systèmes à glissières
• B25H 1/00 - ÉtablisÉtagères ou supports portatifs pour disposer des outils portatifs ou des pièces à travailler

Abrégé

An elastic pin positioned telescopic platform workstation comprises a left platform (1) and a right platform (2) that are slidably engaged with each other. A rack (3) is fixed on one of the platforms and a bore (4) in which there is a elastic pin (5) is provided in the other one. The elastic pin (5) mainly comprises a fastener (6) and a spring (7). Teeth (8) which are engaged with the rack (3) are provided on the top of the fastener (6) and the bottom of the fastener (6) on which there is an pulling handle (9) runs through the bore (4). The spring (7) that abuts against the fastener (6) works between the fastener (6) and the bore (4). Therefore the elastic pin positioned telescopic structure is provided between the left platform (1) and the right platform (2) and the platform workstation that is telescopic can meet all requirements of the length of the platform in different cases.

Classes IPC  ?

• A47B 1/10 - Systèmes à glissières
• B25H 1/00 - ÉtablisÉtagères ou supports portatifs pour disposer des outils portatifs ou des pièces à travailler