Self-locking and quick-pulling drawer mechanism

Abstract

The utility model relates to a self-locking quick-pulling drawer mechanism which comprises a drawer body arranged in a drawer cavity of a cabinet body, and a handle is arranged on a front panel of the drawer body. The drawer is characterized in that the drawer further comprises a lock hook piece and an elastic reset piece, the lock hook piece is provided with a driving part extending outwards and a hook part extending inwards, the lock hook piece is arranged on the front panel in a penetrating mode and can swing, a lock column allowing the hook part to hook is arranged on the inner side wall of the drawer cavity, and the elastic reset piece acts on the lock hook piece to enable the hook part to keep the upward swing trend. The outer end face of the hook portion is an inclined face, in the process that the drawer body enters the drawer cavity, the lock column is matched with the outer end face of the hook portion to enable the hook portion to swing downwards, and after the drawer body completely enters the drawer cavity, the hook portion swings upwards under the action of the elastic reset piece and hooks the lock column. The drawer body can be locked without a complicated lock structure; in the unlocking process, the drawer can be opened only by rotating the lock catch piece and pulling the handle outwards, operation is very convenient, and self-locking and quick-pulling opening is achieved.

Description

Technical Field

[0001] The utility model relates to a self-locking and quick-drawing drawer mechanism, which is suitable for various furniture cabinets, especially for mobile tool carts used in production workshops. Background Art

[0002] As a tool storage device, tool carts are widely used in various production workshops. Tool carts can be conveniently moved within a certain range for transporting tools or materials, providing great convenience for workers. The structure of traditional tool carts includes a cabinet body with casters. In order to classify and place various tools to improve the access efficiency of operators, multiple drawers are provided in the cabinet body, and the drawers are generally locked by locks.

[0003] For example, the Chinese utility model patent "Tool Cart with Electronic Password Lock" with the patent number ZL202121958513.5 (publication number CN215920401U) applied by the applicant discloses such a tool cart, which includes a vehicle body. A plurality of drawer bodies that can be opened forward are arranged vertically on the vehicle body; a locking rod that can be vertically arranged and swing left and right is provided at the rear side inside the vehicle body, and a motor for driving the locking rod to swing is provided at the rear part of the top inside the vehicle body. A locking plate that can swing left and right is provided at the rear part of the outer bottom surface of each drawer body. A locking opening for buckling the locking rod is provided on the locking plate, and the locking plate is kept in a swinging trend towards the locking rod by the action of an elastic member; when the motor drives the locking rod to move and stay in the locked position and the drawer body is closed, the locking opening on the locking plate buckles the locking rod under the action of the elastic member; when the motor drives the locking rod to move and stay in the unlocked position and the drawer body is closed, the locking rod disengages from the locking opening; an electronic panel with a password input part for controlling the operation of the motor is provided at the upper part of the front end face of the vehicle body.

[0004] The drawers on the existing tool carts can only not be opened in the locked state. To open the drawers, a key or password must be used to unlock them. However, in the unlocked state of the lock, the drawers are easily opened. During the process of moving the tool cart, there is a risk of falling open due to vibration. And if it is locked, it needs to be unlocked again when using. In fact, the drawers in the tool cart generally store conventional tools, and the requirement for anti-theft is very low. As long as the drawers do not easily run out, so in fact, the drawers do not need to be provided with locks, and the use of locks will increase the cost of the tool cart. Summary of the Invention

[0005] The technical problem to be solved by the utility model is to provide a self-locking and quick-drawing drawer mechanism with reasonable structure, which can be quickly locked and can also be quickly opened when unlocked, aiming at the above-mentioned current situation of the prior art.

[0006] The technical solution adopted by the present utility model to solve the above technical problems is as follows: A self-locking quick-draw drawer mechanism, including a drawer body disposed in a drawer cavity of a cabinet body, and a handle is provided on the front panel of the drawer body; characterized in that: it further includes a locking hook member and an elastic reset member, the locking hook member has a driving portion extending outward and a hook portion extending inward, the locking hook member is penetrated through the front panel of the drawer body and can swing, the driving portion is located outside the front panel of the drawer body, the hook portion is located inside the front panel of the drawer body, a locking post for the hook portion to hook is provided on the inner side wall of the drawer cavity, the elastic reset member acts on the locking hook member to keep the hook portion in an upward swinging trend, the outer end surface of the hook portion is an inclined surface, during the process of the drawer body entering the drawer cavity, the locking post cooperates with the outer end surface of the hook portion to make the hook portion swing downward, after the drawer body completely enters the drawer cavity, the hook portion swings upward under the action of the elastic reset member and hooks the locking post.

[0007] As an option, the above handle is fixed on the front panel of the drawer body, and the locking hook member is rotatably arranged on the side of the handle and can swing relative to the side of the handle. At this time, when unlocking, the locking hook member needs to be swung first, and then the handle needs to be pulled to open the drawer body.

[0008] Preferably, the above handle is rotatably arranged on the front panel of the drawer body, and the locking hook member is fixed on the side of the handle and can swing relative to the drawer body together with the handle. This structure enables the handle and the locking hook member to form a linkage. When opening the drawer, swinging the handle can drive the locking hook member to swing and unlock, and then pulling the handle outward synchronously can complete the opening operation, which is more user-friendly.

[0009] Further improvement, a plurality of spaced mounting seats are fixed on the front panel of the above drawer body, the mounting seats are provided with a ball head protruding forward, the inner end surface of the handle has a spherical groove penetrating along the length direction and matching with the ball head, the ball head is inserted into the spherical groove, and the locking hook member is fixed at least at one end, and the locking hook member blocks the spherical groove. Through the cooperation of the ball head and the spherical groove of the handle, the handle can not only swing relative to the drawer body, but also ensure that the drawer body can be driven to move outward when the drawer is pulled outward. The entire process only needs to operate the handle to complete the opening of the drawer body, better realizing self-locking quick-draw opening; and the locking hook member is fixed on the handle, and the handle provides a very suitable installation position for the locking hook member, and the structural layout is better.

[0010] As an improvement, a limiting portion protruding laterally is provided on one side of the above locking hook member, and a limiting groove for the limiting portion to insert is provided on the side of the handle, and the locking hook member is fixed on the side of the handle by screws. Through the insertion and matching of the limiting portion and the limiting groove of the locking hook member, combined with screws, only one screw is needed to complete the fixation, and the locking hook member can be fixed on the side of the handle more quickly.

[0011] Preferably, the above-mentioned locking post is cylindrical. In this way, the outer surface of the locking post is an arc surface, which can better cooperate with the outer end surface of the hook part to drive the hook part to swing downward.

[0012] Preferably, the above-mentioned elastic reset member is a spring, and the spring acts on the lower end surface of the hook part. Of course, it can also be a torsion spring acting on the locking hook member or the handle.

[0013] For the convenience of installing the spring, preferably, the inner wall of the front panel of the above-mentioned drawer body is provided with an inwardly inclined convex mounting post, a jack is opened on the hook part, the lower end of the spring is sleeved on the mounting post, and the upper end of the spring has a pin part that protrudes upward and is inserted into the jack. Of course, the spring can also be installed on the inner wall of the front panel of the drawer body in other ways.

[0014] As an improvement, the middle part of the above-mentioned locking hook part has a downwardly extending resisting part, and in the reset state of the locking hook part, the resisting part abuts against the front panel of the drawer body. In this way, the locking hook part can be more stably held in the reset position.

[0015] Compared with the prior art, the advantages of the present utility model are as follows: during the process of the drawer body entering the drawer cavity, the locking post cooperates with the outer end surface of the hook part to make the hook part swing downward. After the drawer body completely enters the drawer cavity, the hook part swings upward under the action of the elastic reset member and hooks the locking post, completing the locking of the drawer body without a complex locking structure, avoiding the drawer from sliding out randomly, and having a lower cost; when unlocking, only need to rotate the locking part and pull the handle outward to open the drawer, and the operation is also very convenient, realizing self-locking and quick pulling opening. Description of the Drawings

[0016] Figure 1 It is a three-dimensional structure diagram of an embodiment of the present utility model (the drawer body is in the closed state);

[0017] Figure 2 For Figure 1 the enlarged view at A of;

[0018] Figure 3 For Figure 1 the enlarged view at B of;

[0019] Figure 4 It is a sectional view of an embodiment of the present utility model along the direction of the locking hook member;

[0020] Figure 5 It is a sectional view of an embodiment of the present utility model along the direction of the mounting seat;

[0021] Figure 6 It is a three-dimensional structure diagram of the drawer body in an embodiment of the present utility model;

[0022] Figure 7 It is an exploded view of the drawer body in an embodiment of the present utility model;

[0023] Figure 8 Schematic three-dimensional structure diagram of the embodiment of the present utility model (drawer body in the open state). Specific embodiments

[0024] The present utility model will be further described in detail below in conjunction with the embodiments with reference to the drawings.

[0025] As Figures 1 to 7 shown, it is a preferred embodiment of the present utility model.

[0026] A self-locking quick-pull drawer mechanism includes a drawer body 2 disposed in a drawer cavity 1a of a cabinet body 1. A handle 3 is provided on a front panel 21 of the drawer body 2, and the handle 3 is in a long strip shape.

[0027] It further includes a locking hook member 5 and an elastic reset member 4. The locking hook member 5 has a driving portion 51 extending outward and a hook portion 52 extending inward. The locking hook member 5 is inserted through the front panel 21 of the drawer body 2 and can swing. A through hole 211 for the hook portion 52 of the locking hook member 5 to pass through is formed on the front panel 21 of the drawer body 2. The driving portion 51 is located outside the front panel 21 of the drawer body 2, and the hook portion 52 is located inside the front panel 21 of the drawer body 2. A locking post 6 for the hook portion 52 to hook is provided on the inner side wall of the drawer cavity 1a, and the locking post 6 is in a cylindrical shape. The elastic reset member 4 acts on the locking hook member 5 to keep the hook portion 52 in an upward swinging trend. The outer end face 5a of the hook portion 52 is an inclined surface. During the process of the drawer body 2 entering the drawer cavity 1a, the locking post 6 cooperates with the outer end face 5a of the hook portion 52 to make the hook portion 52 swing downward. After the drawer body 2 completely enters the drawer cavity 1a, the hook portion 52 swings upward under the action of the elastic reset member 4 and hooks the locking post 6.

[0028] The handle 3 is rotatably disposed on the front panel 21 of the drawer body 2. The locking hook member 5 is fixed to the side of the handle 3 and can swing relative to the drawer body 2 together with the handle 3. A plurality of spaced-apart mounting seats 7 are fixed to the front panel 21 of the drawer body 2 by screws. A ball head 71 protruding forward is provided on the mounting seat 7. A spherical groove 31 extending along the length direction and matching with the ball head 71 is formed on the inner end face of the handle 3. The ball head 31 is inserted into the spherical groove 31, and the locking hook member 5 is fixed at least at one end and blocks the spherical groove 31.

[0029] One side of the locking hook member 5 has a laterally protruding limiting portion 53. A limiting groove 32 for the limiting portion 53 to be inserted is provided on the side of the handle 3. The locking hook member 5 is fixed to the side of the handle 3 by a screw 8.

[0030] In this embodiment, the elastic reset member 4 is a spring, and the spring acts on the lower end surface of the hook portion 52. An installation post 22 that protrudes inward and obliquely is provided on the inner wall of the front panel 21 of the drawer body 2. A jack 5b is formed on the hook portion 52. The lower end of the spring is sleeved on the installation post 22, and the upper end of the spring has a pin portion 41 that protrudes upward and inserts into the jack 5b.

[0031] The middle part of the locking hook member 5 has a resisting portion 54 that extends downward. When the locking hook member 5 is in the reset state, the resisting portion 54 abuts against the front panel 21 of the drawer body 2.

[0032] When closing the drawer body 2, only need to push the drawer body 2 inward. During the process of the drawer body 2 entering the drawer cavity 1a, the locking post 6 cooperates with the outer end surface 5a of the hook portion 52 to make the hook portion 52 swing downward. After the drawer body 2 completely enters the drawer cavity 1a, the hook portion 52 swings upward under the action of the elastic reset member 4 and hooks the locking post 6 to achieve self-locking.

[0033] When opening the drawer, swing the handle 3, and the locking hook member 5 swings accordingly. The hook portion 52 of the locking hook member 5 disengages from the locking post 6. At the same time, pull the aforementioned handle 3 outward, and the drawer body 2 can be opened to achieve quick pulling to open the drawer.

[0034] It should be noted that in the description of this embodiment, the orientation or positional relationship indicated by terms such as "front, rear", "left, right", "inner, outer", "upper, lower", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present invention. The terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Claims

1. A self-locking quick-pull drawer mechanism, comprising a drawer body (2) disposed in a drawer cavity (1a) of a cabinet (1), a handle (3) being disposed on a front panel (21) of the drawer body (2); characterized in that: The drawer cavity (1a) further comprises a lock hook member (5) and an elastic reset member (4), wherein the lock hook member (5) comprises a driving portion (51) extending outwardly and a hook portion (52) extending inwardly, wherein the lock hook member (5) is inserted into the front panel (21) of the drawer body (2) and is capable of swinging, wherein the driving portion (51) is located outside the front panel (21) of the drawer body (2), and the hook portion (52) is located inside the front panel (21) of the drawer body (2), and a lock column (66) for the hook portion (52) to be hooked is provided on the inner side wall of the drawer cavity (1a). ), the elastic reset member (4) acts on the lock hook member (5) to keep the hook portion (52) in an upward swinging trend, the outer end surface (5a) of the hook portion (52) is an inclined surface, and during the process of the drawer body (2) entering the drawer cavity (1a), the lock column (6) cooperates with the outer end surface (5a) of the hook portion (52) to make the hook portion (52) swing downward, and after the drawer body (2) completely enters the drawer cavity (1a), the hook portion (52) wants to swing upward under the action of the elastic reset member (4) and hook the lock column (6).

2. The self-locking quick-pull drawer mechanism according to claim 1, characterized in that: The handle (3) is fixed on the front panel (21), and the lock hook (5) is rotatably arranged on the side of the handle (3) and can swing relative to the side of the handle (3).

3. The self-locking quick-pull drawer mechanism according to claim 1, characterized in that: The handle (3) is rotatably arranged on the front panel (21) of the drawer body (2), and the lock hook (5) is fixed on the side of the handle (3) and can swing relative to the drawer body (2) together with the handle (3).

4. The self-locking quick-pull drawer mechanism according to claim 3, characterized in that: The front panel (21) of the drawer body (2) is fixed with a plurality of spaced-apart mounting seats (7), the mounting seats (7) are provided with forward-convex ball heads (71), the inner end surface of the handle (3) has a spherical groove (31) penetrating along the length direction and matching with the ball head (71), the ball head (71) is inserted into the spherical groove (31), and the lock hook (5) is fixed at least at one end, and the lock hook (5) blocks the spherical groove (31).

5. The self-locking quick-pull drawer mechanism according to claim 4, characterized in that: One side of the lock hook member (5) has a side-convex limiting portion (53), the side of the handle (3) is provided with a limiting groove (32) for the limiting portion (53) to be inserted, and the lock hook member (5) is fixed to the side of the handle (3) by means of screws (8).

6. The self-locking quick-pull drawer mechanism according to claim 1, characterized in that: The locking column (6) is cylindrical.

7. The self-locking quick-pull drawer mechanism according to claim 1, characterized in that: The elastic reset member (4) is a spring, and the spring acts on the lower end surface of the hook portion (52).

8. The self-locking quick-pull drawer mechanism according to claim 7, characterized in that: The inner wall of the front panel (21) of the drawer body (2) is provided with a mounting column (22) which is inclined and protrudes inwards, the hook portion (52) is provided with a plug hole (5b), the lower end of the spring is sleeved on the mounting column (22), and the upper end of the spring has a pin portion (41) which protrudes upwards and is inserted into the plug hole (5b).

9. The self-locking quick-pull drawer mechanism according to claim 1, characterized in that: The middle part of the lock hook member (5) has a stopper (54) extending downwards, and when the lock hook member (5) is in a reset state, the stopper (54) abuts against the front panel (21) of the drawer body (2).

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