Drawer with self-locking structure and tool cabinet thereof
By designing a self-locking structure in the tool cabinet drawer, and using locking hooks and reset springs to achieve self-locking and automatic reset of the drawer, the problem of automatic opening of the drawer due to heavy loads is solved, improving safety and practicality.
Patent Information
- Application Number
- CN202422054120.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-06-06
- Filing Date
- 2024-08-23
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-08-23
AI Technical Summary
The drawers on the existing tool cabinet will be automatically opened due to heavy objects and cannot be automatically reset after being pulled open, resulting in moisture caused by the items being exposed to the air, which is low in safety and poor in practicality.
A drawer with a self-locking structure is designed, using drawer handles, lock hooks, return springs and lining components. Through the hook connection between the lock hooks and the lock pad and the compression and return of the return spring, the self-locking and automatic reset functions of the drawer are realized.
Effectively prevent the drawers from automatically opening due to heavy objects, ensure that the items remain dry in the drawers, improve the safety and practicality of the drawers, and are easy to install and low production costs.
Smart Images
Figure CN222955096U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tool cabinets, and particularly relates to a drawer with a self-locking structure and a tool cabinet thereof. Background Art
[0002] The drawers on tool cabinets are mainly used to store various heavy items. In reality, most drawers on tool cabinets cannot be self-locked. When storing some heavy objects that exceed their own load capacity without being locked or when people move the tool cabinet and the drawers shake and tilt, the drawers will be automatically opened. Moreover, sometimes users often forget to close the drawers after opening them to take items, resulting in problems such as dampness of the items in the drawers due to exposure to the air. The drawers on tool cabinets have problems of low safety and poor practicability. Content of the Utility Model
[0003] The purpose of the utility model is to overcome the above-mentioned defects in the prior art, and provides a drawer with a self-locking structure and a tool cabinet thereof, which are used to solve the problems that the drawers on existing tool cabinets will be automatically opened when loaded with heavy objects and cannot be automatically reset after being pulled open, resulting in problems such as dampness of the items due to exposure to the air.
[0004] To achieve the above purpose, in the first aspect, the utility model provides a drawer with a self-locking structure, including a drawer body, and further including a drawer handle rotatably connected to the drawer body, a first locking hook installed at one end of the drawer handle, a first return spring sleeved on the first locking hook and connected to the drawer handle, a second locking hook installed at the other end of the drawer handle, a second return spring sleeved on the second locking hook and connected to the drawer handle, a first inner lining assembly and a second inner lining assembly respectively slidably installed on two outer side walls of the drawer body, a first locking baffle installed on the inner wall of the first inner lining assembly and hooked to the first locking hook, and a second locking baffle installed on the inner wall of the second inner lining assembly and hooked to the second locking hook. When the first locking baffle and the second locking baffle are respectively hooked and connected to the first locking hook and the second locking hook, the drawer body is in a locked state; when the drawer handle is pulled outwards, the lower part of the drawer handle rotates outwards, causing the first locking hook and the second locking hook to respectively rotate downwards away from the first locking baffle and the second locking baffle, so that the drawer body is in an open state.
[0005] Preferably, it further includes a first slide rail installed on an outer side wall of the drawer body, and a second slide rail installed on the other outer side wall of the drawer body. The first inner lining assembly includes a first chute cooperating with the first slide rail and a first inner lining plate fixedly installed on the outer wall of the first chute. The drawer body is connected to the first inner lining plate through the first slide rail. The first locking plate is installed on the inner wall of the first inner lining plate. The second inner lining assembly includes a second chute cooperating with the second slide rail and a second inner lining plate fixedly installed on the outer wall of the second chute. The drawer body is connected to the second inner lining plate through the second slide rail. The second locking plate is installed on the inner wall of the second inner lining plate.
[0006] Preferably, it further includes a first hook head installed at one end of the first locking hook away from the drawer handle for hooking the first locking plate, and a second hook head installed at one end of the second locking hook away from the drawer handle for hooking the second locking plate.
[0007] Preferably, one end of the first locking hook close to the drawer handle has a first locking piece for connecting the drawer handle, and one end of the second locking hook close to the drawer handle has a second locking piece for connecting the drawer handle.
[0008] Preferably, it further includes a bending plate installed at one end of the drawer handle for connecting the first locking piece and the second locking piece.
[0009] Preferably, the bottom end of the first locking hook has a first convex block. The first return spring is sleeved on the first convex block and connected to the drawer handle. The bottom end of the second locking hook has a second convex block. The second return spring is sleeved on the second convex block and connected to the drawer handle.
[0010] Preferably, the first locking plate includes a first fixing plate for fixedly installing on the inner side wall of the first inner lining plate and a first locking stop plate for the first hook head to hook and connect. The second locking plate includes a second fixing plate for fixedly installing on the inner side wall of the second inner lining plate and a second locking stop plate for the second hook head to hook and connect.
[0011] Preferably, the first fixing plate and the first locking stop plate are fixedly connected in an L shape, and the second fixing plate and the second locking stop plate are fixedly connected in an L shape.
[0012] Preferably, it further includes a lifting piece installed on the outer side of the drawer handle.
[0013] In a second aspect, the present invention further provides a cabinet, including a cabinet body, and further including a drawer with a self-locking structure as described in the first aspect. The first inner lining plate and the second inner lining plate are respectively installed on two opposite inner sides of the cabinet body. The drawer with the self-locking structure is located inside the cabinet body.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] 1. When the drawer handle is pulled outwards, the lower part of the drawer handle rotates outwards, causing the first locking hook and the second locking hook to rotate downwards away from the first locking baffle and the second locking baffle respectively, so that the drawer body is in an open state. The drawer body is rotatably installed with the drawer handle, which is convenient for installation, has a low production cost, and has the advantages of safe operation and durability.
[0016] 2. When the first locking hook and the second locking hook are respectively hooked and connected with the first locking baffle and the second locking baffle, the drawer body can be prevented from being automatically opened; after the first return spring and the second return spring are compressed, they will automatically reset, thereby driving the drawer body to return to its original position, and the drawer achieves the purpose of self-locking. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0018] Figure 1 FIG. 15 is one of the structural schematic diagrams of a drawer with a self-locking structure provided in Embodiment 1 of the present utility model after removing the first inner lining assembly, the second inner lining assembly, the first locking baffle and the second locking baffle;
[0019] Figure 2 FIG. 19 is another structural schematic diagram of a drawer with a self-locking structure provided in Embodiment 1 of the present utility model after removing the first inner lining assembly, the second inner lining assembly, the first locking baffle and the second locking baffle;
[0020] Figure 3 FIG. 23 is a perspective view of a drawer with a self-locking structure provided in Embodiment 1 of the present utility model;
[0021] Figure 4 FIG. 27 is a rear view of a drawer with a self-locking structure provided in Embodiment 1 of the present utility model;
[0022] Figure 5 FIG. 31 is a structural schematic diagram of the drawer handle, the first locking hook, the second locking hook, the first return spring and the second return spring provided in Embodiment 1 of the present utility model;
[0023] Figure 6 FIG. 35 is a side cross-sectional view of a drawer with a self-locking structure provided in Embodiment 1 of the present utility model in a closed state;
[0024] Figure 7It is a side sectional view when the drawer handle on a drawer with a self-locking structure provided in Embodiment 1 of the present utility model is pulled outwards, and the lower part of the drawer handle rotates outwards, causing the first locking hook and the second locking hook to respectively rotate downwards away from the first locking baffle and the second locking baffle;
[0025] Figure 8 It is a side sectional view of a drawer with a self-locking structure provided in Embodiment 1 of the present utility model in an open state;
[0026] Figure 9 It is a bottom view of a drawer with a self-locking structure provided in Embodiment 1 of the present utility model after removing the first inner lining assembly, the second inner lining assembly, the first locking baffle and the second locking baffle;
[0027] Figure 10 It is a three-dimensional view of a tool cabinet provided in Embodiment 2 of the present utility model.
[0028] In the figure, it includes:
[0029] 1. Drawer body; 100. Transmission shaft; 110. First through hole; 111. Second through hole; 2. First slide rail; 21. First chute; 3. Second slide rail; 31. Second chute; 4. First inner lining assembly; 41. First inner lining plate; 42. First locking baffle; 421. First fixing plate; 422. First locking plate; 5. Second inner lining assembly; 51. Second inner lining plate; 52. Second locking baffle; 521. Second fixing plate; 522. Second locking plate; 6. Drawer handle; 61. Bent plate; 62. Lifting piece; 7. First return spring; 8. Second return spring; 9. First locking hook; 91. First hook head; 92. First locking piece; 93. First convex block; 10. Second locking hook; 101. Second hook head; 102. Second locking piece; 103. Second convex block; 11. Cabinet body. Specific embodiments
[0030] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the present embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present utility model.
[0031] Please refer to Figures 1 to 9, an embodiment of the present utility model provides a drawer with a self-locking structure, including a drawer body 1, and further including a drawer handle 6 rotatably connected to the drawer body 1. A transmission shaft 100 is rotatably connected between the drawer body 1 and the drawer handle 6. On both sides of one end of the drawer body 1, there are provided a first through hole 110 and a second through hole 111 for the transmission shaft 100 to penetrate. The transmission shaft 100 penetrates through one end of the drawer body 1 to facilitate the rotation of the drawer handle 6. When the drawer handle 6 is pulled outwards, it rotates around the transmission shaft 100. A first locking hook 9 is installed at one end of the drawer handle 6, a first return spring 7 is sleeved on the first locking hook 9 and connected to the drawer handle 6, a second locking hook 10 is installed at the other end of the drawer handle 6, and a second return spring 8 is sleeved on the second locking hook 10 and connected to the drawer handle 6. The first return spring 7 and the second return spring 8 can be reset after being stretched or compressed. A first inner lining assembly 4 and a second inner lining assembly 5 are respectively slidably installed on the outer side walls of both sides of the drawer body 1. The drawer body 1 slides on the inner walls of the first inner lining assembly 4 and the second inner lining assembly 5. A first locking baffle 42 is installed on the inner wall of the first inner lining assembly 4 and hooked to the first locking hook 9, and a second locking baffle 52 is installed on the inner wall of the second inner lining assembly 5 and hooked to the second locking hook 10. When the first locking baffle 42 and the second locking baffle 52 are respectively hooked and connected to the first locking hook 9 and the second locking hook 10, the drawer body 1 is in a locked state; the drawer body 1 can lock itself and will not open automatically; when the drawer handle 6 is pulled outwards, the lower part of the drawer handle 6 rotates outwards, causing the first locking hook 9 and the second locking hook 10 to respectively make a rotational movement downward and away from the first locking baffle 42 and the second locking baffle 52, so that the drawer body 1 is in an open state, and at this time, the user can pull out the drawer body 1 outwards. The drawer handle 6 rotates around the transmission shaft 100, which has the advantages of safe operation, convenient use, durability, and long-lasting durability.
[0032] Further, please refer to Figure 4 , a drawer with a self-locking structure further includes a first slide rail 2 installed on one outer side wall of the drawer body 1 and a second slide rail 3 installed on the other outer side wall of the drawer body 1. The first inner lining assembly 4 includes a first chute 21 that cooperates with the first slide rail 2 and a first inner lining plate 41 fixedly installed on the outer wall of the first chute 21. The drawer body 1 is connected to the first inner lining plate 41 through the first slide rail 2, and the first locking baffle 42 is installed on the inner wall of the first inner lining plate 41. The second inner lining assembly 5 includes a second chute 31 that cooperates with the second slide rail 3 and a second inner lining plate 51 fixedly installed on the outer wall of the second chute 31. The drawer body 1 is connected to the second inner lining plate 51 through the second slide rail 3, and the second locking baffle 52 is installed on the inner wall of the second inner lining plate 51. The first slide rail 2 and the second slide rail 3 on the drawer body 1 are respectively slidably connected to the inner walls of the first chute 21 and the second chute 31. The first slide rail 2 and the second slide rail 3 slide on the inner walls of the first chute 21 and the second chute 31 respectively through sliders (not shown in the drawings). Please refer to Figure 3 andFigure 5 , the first locking baffle 42 includes a first fixing plate 421 for fixedly mounting on the inner side wall of the first inner lining plate 41 and a first locking plate 422 for being hooked and connected by the first hook head 91. The second locking baffle 52 includes a second fixing plate 521 for fixedly mounting on the inner side wall of the second inner lining plate 51 and a second locking plate 522 for being hooked and connected by the second hook head 101. The first fixing plate 421 and the first locking plate 422 are fixedly connected to form an L shape, and the second fixing plate 521 and the second locking plate 522 are fixedly connected to form an L shape. Both the first locking plate 422 and the second locking plate 522 are respectively used to lock the first hook head 91 and the second hook head 101 to prevent the drawer body 1 from sliding out.
[0033] Further, please refer to Figure 3 and Figure 5 , a drawer with a self-locking structure further includes a first hook head 91 mounted at one end of the first locking hook 9 away from the drawer handle 6 for hooking the first locking baffle 42, and a second hook head 101 mounted at one end of the second locking hook 10 away from the drawer handle 6 for hooking the second locking baffle 52; it also includes a first locking piece 92 at one end of the first locking hook 9 close to the drawer handle 6 for connecting the drawer handle 6, and a second locking piece 102 at one end of the second locking hook 10 close to the drawer handle 6 for connecting the drawer handle 6. The first locking piece 92 and the second locking piece 102 are fixedly connected to the drawer handle 6, and the connection method is simple and has strong practicability; the bottom end of the first locking hook 9 has a first convex block 93, the first return spring 7 is sleeved on the first convex block 93 and connected to the drawer handle 6, and the bottom end of the second locking hook 10 has a second convex block 103, and the second return spring 8 is sleeved on the second convex block 103 and connected to the drawer handle 6. When the first locking piece 92 and the second locking piece 102 make a downward rotational movement, the first return spring 7 and the second return spring 8 will be compressed.
[0034] Further, please refer to Figure 5 , a drawer with a self-locking structure further includes a bending plate 61 mounted at one end of the drawer handle 6 for connecting the first locking piece 92 and the second locking piece 102; it also includes a lifting piece 62 mounted on the outer side of the drawer handle 6 for the user to lift. When the drawer handle 6 is lifted, the bending plate 61 drives the first locking hook 9 and the second locking hook 10 to move downward away from the first locking baffle 42 and the second locking baffle 52 respectively.
[0035] The working process of the drawer with a self-locking structure in Embodiment 1 is as follows:
[0036] After the user pulls out the lifting member 62 on the drawer handle 6 outward, the first locking hook 9 and the second locking hook 10 rotate downward away from the first locking baffle 42 and the second locking baffle 52 respectively with the transmission shaft 100 as the axis, so that the drawer body 1 is in an open state. The first bump member 93 and the second bump member 103 respectively press the first return spring 7 and the second return spring 8. When the first hook head 91 and the second hook head 101 are respectively away from the first locking baffle 42 and the second locking baffle 52, the user can pull the lifting member 62 in the opposite direction of the drawer body 1 and pull the whole drawer body 1 out along the first sliding groove 21 and the second sliding groove 31, so as to open the drawer body 1. After the drawer body 1 is opened, when the user no longer pulls the lifting member 62 outward, the first return spring 7 and the second return spring 8 return to their original positions, driving the first hook head 91 and the second hook head 101 to respectively contact the first locking baffle 42 and the second locking baffle 52. The drawer handle 6 rotates with the transmission shaft 100 as the axis, so that the first hook head 91 and the second hook head 101 are respectively hooked and connected to the first locking plate 422 and the second locking plate 522, and the drawer handle 6 returns to the state when the drawer body 1 is not opened, so as to achieve the purpose of self-locking of the drawer body 1.
[0037] Embodiment 2
[0038] Please refer to Figure 10 , the present utility model also discloses a tool cabinet, which includes a cabinet body 11, and also includes a drawer with a self-locking structure as in the embodiment. The first inner lining plate 41 and the second inner lining plate 51 are respectively installed on the two opposite inner sides of the cabinet body 11. A drawer with a self-locking structure is located inside the cabinet body 11, and the drawer body 1 can slide out of the cabinet body 11. Casters (not shown in the drawings) for sliding the cabinet body 11 are installed at the bottom of the cabinet body 11.
[0039] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any changes, modifications, substitutions, combinations, and simplifications made within the spirit and principle of the present utility model shall be equivalent replacement methods and shall be included in the protection scope of the present utility model.
Claims
1. A drawer with a self-locking structure, comprising a drawer body (1), characterized in that: The drawer handle (6) further comprises a drawer handle (6) rotatably connected to the drawer body (1), a first lock hook (9) mounted on one end of the drawer handle (6), a first return spring (7) sleeved on the first lock hook (9) and connected to the drawer handle (6), a second lock hook (10) mounted on the other end of the drawer handle (6), a second return spring (8) sleeved on the second lock hook (10) and connected to the drawer handle (6), a first lining component (4) and a second lining component (5) respectively slidably mounted on the two outer side walls of the drawer body (1), and a first lining component (4) mounted on the inner wall of the first lining component (4) and connected to the first lock hook (9) ) is hooked and connected to the first locking plate (42), and the second locking plate (52) is installed on the inner wall of the second lining component (5) and is hooked and connected to the second locking hook (10). When the first locking plate (42) and the second locking plate (52) are respectively hooked and connected to the first locking hook (9) and the second locking hook (10), the drawer body (1) is in a locked state; when the drawer handle (6) is pulled outward, the lower part of the drawer handle (6) rotates outward to make the first locking hook (9) and the second locking hook (10) rotate downward away from the first locking plate (42) and the second locking plate (52), respectively, so that the drawer body (1) is in an open state.
2. A drawer with a self-locking structure according to claim 1, characterized in that: The drawer body (1) further comprises a first slide rail (2) mounted on an outer side wall of the drawer body (1), a second slide rail (3) mounted on another outer side wall of the drawer body (1), the first lining component (4) comprising a first slide groove (21) matched with the first slide rail (2) and a first lining plate (41) fixedly mounted on the outer side wall of the first slide groove (21), the drawer body (1) is connected to the first lining plate (41) via the first slide rail (2), the first locking plate (42) is mounted on the inner side wall of the first lining plate (41), the second lining component (5) comprises a second slide groove (31) matched with the second slide rail (3) and a second lining plate (51) fixedly mounted on the outer side wall of the second slide groove (31), the drawer body (1) is connected to the second lining plate (51) via the second slide rail (3), and the second locking plate (52) is mounted on the inner side wall of the second lining plate (51).
3. A drawer with a self-locking structure according to claim 2, characterized in that: It also includes a first hook head (91) installed at the end of the first lock hook (9) away from the drawer handle (6) for hooking the first lock baffle (42), and a second hook head (101) installed at the end of the second lock hook (10) away from the drawer handle (6) for hooking the second lock baffle (52).
4. The drawer with a self-locking structure according to claim 1, characterized in that: The first lock hook (9) further comprises a first lock plate (92) for connecting to the drawer handle (6) at one end thereof close to the drawer handle (6), and a second lock plate (102) for connecting to the drawer handle (6) at one end thereof close to the drawer handle (6).
5. A drawer with a self-locking structure according to claim 4, characterized in that: It also includes a bending plate (61) installed at one end of the drawer handle (6) for connecting the first locking plate (92) and the second locking plate (102).
6. The drawer with a self-locking structure according to claim 1, characterized in that: The first lock hook (9) has a first protrusion (93) at the bottom end, the first return spring (7) is sleeved on the first protrusion (93) and connected to the drawer handle (6), and the second lock hook (10) has a second protrusion (103) at the bottom end, the second return spring (8) is sleeved on the second protrusion (103) and connected to the drawer handle (6).
7. The drawer with a self-locking structure according to claim 3, characterized in that: The first locking plate (42) comprises a first fixing plate (421) for fixing on the inner side wall of the first inner lining plate (41) and a first locking plate (422) for being hooked and connected by the first hook head (91), and the second locking plate (52) comprises a second fixing plate (521) for fixing on the inner side wall of the second inner lining plate (51) and a second locking plate (522) for being hooked and connected by the second hook head (101).
8. The drawer with a self-locking structure according to claim 7, characterized in that: The first fixing plate (421) and the first locking plate (422) are fixedly connected to form an L-shape, and the second fixing plate (521) and the second locking plate (522) are fixedly connected to form an L-shape.
9. The drawer with a self-locking structure according to claim 1, characterized in that: It also includes a pulling piece (62) installed on the outside of the drawer handle (6).
10. A tool cabinet, comprising a cabinet body (11), characterized in that: It also includes a drawer with a self-locking structure as described in any one of claims 1 to 9, wherein the first inner lining plate (41) and the second inner lining plate (51) are respectively installed on two opposite inner sides of the cabinet body (11), and the drawer with a self-locking structure is located inside the cabinet body (11).