Drawer self-locking structure

Abstract

The utility model provides a drawer self-locking structure which comprises the following components: a cabinet body which is used as an installation carrier and is internally provided with an installation cavity with an opening at the front end, and one side or two sides of the installation cavity is / are provided with a lock pin; the drawers are horizontally matched in the mounting cavity in a sliding mode and can move front and back, a handle used for pulling is arranged on a front panel of each drawer, a handheld area with an opening in the lower end is formed in each handle, and a pressing rod capable of moving up and down is arranged in each handheld area; the pressing rod can reset downwards through the gravity of the pressing rod or an elastic component, one end or two ends of the pressing rod are provided with a lock hook used for being connected with the lock pin and achieving locking, and the end of the lock hook is provided with a guide face capable of making contact with the side wall of the lock pin and guiding the lock pin into the lock hook. The drawer self-locking structure has a self-locking function, and is compact in structure, convenient and labor-saving in unlocking, high in use safety, good in comfort and wide in application range.

Description

Technical Field

[0001] This utility model relates to a drawer, and more particularly to a drawer self-locking structure. Background Technology

[0002] Drawers are used to store items. When multi-drawer cabinets are moved within the mobile shelving unit or subjected to external forces, especially during the opening of the unit, the drawers are very likely to slide out of the cabinet, causing the drawers and their contents to fall out. Therefore, to prevent drawers from sliding out of the cabinet, locking pins, latches, or baffles are usually used to fix them inside the unit. When in use, the locking pins, latches, or baffles are then reset. This operation is very inconvenient, not simple or aesthetically pleasing, and affects the user experience. Utility Model Content

[0003] Technical problems to be solved

[0004] The technical problem to be solved by this utility model is to provide a drawer self-locking structure that is compact, has a self-locking function, is easy and labor-saving to unlock, and has good performance.

[0005] Technical solutions to the problem

[0006] This utility model provides a drawer self-locking structure, which includes:

[0007] Cabinet 1 serves as an installation carrier, and an installation cavity 10 with an open front end is formed inside the cabinet 1. Locking pins 11 are provided on one or both sides of the installation cavity 10.

[0008] Drawer 2, one or more, is horizontally slidable within the mounting cavity 10 and can move back and forth. The front panel 21 of the drawer 2 is provided with a handle for pulling out. The handle has a hand-holding area with an open lower end. The hand-holding area is provided with a pressure rod 31 that can move up and down. The pressure rod can be reset downward by its own weight or an elastic component. One or both ends of the pressure rod 31 are provided with a locking hook 32 for connecting with the locking pin 11 and locking. The end of the locking hook 32 is provided with a guide surface 32a that can contact the side wall of the locking pin 11 and guide it into the locking hook 32.

[0009] Furthermore, the locking hook 32 includes a locking hook body rigidly fixed to the pressure rod. The end face of the locking hook body is a downward inclined surface and forms the guide surface 32a. The lower end of the locking hook body is provided with a notch 320 that allows the locking pin 11 to be inserted and locked.

[0010] Furthermore, when the locking pin 11 is located within the recess 320, the top of the locking pin 11 is in contact with the top surface of the recess 320 or there is a gap between them.

[0011] Furthermore, the locking hook is a vertically arranged plate-like structure.

[0012] Furthermore, the front panel 21 includes a panel body 211, the upper end of which is bent forward to form a first connecting portion 212, the end of which is bent downward to form a second connecting portion 213, and the end of which is bent inward to form a third connecting portion 214 that fits into the second connecting portion 213. The panel body 211 has a hole 2101 that allows the locking hook 32 to pass through and limits its vertical movement. A handhold area 210 with an open lower end is formed between the panel body 211, the first connecting portion 212 and the third connecting portion 214, which serves as a handle.

[0013] Furthermore, the pressure rod 31 includes a strip-shaped pressure rod body 311, with both sides of the pressure rod body 311 bent upwards to form side plates 312 that can fit against the inner wall of the handle and achieve sliding fit.

[0014] Furthermore, a guide rod is vertically arranged in the handheld area, and a guide hole is opened on the pressure rod. The guide hole is sleeved on the guide rod and realizes the upper and lower sliding fit of the pressure rod.

[0015] Furthermore, when in the lower limit position, the bottom surface of the pressure rod 31 is higher than the lower end of the second connecting part 213.

[0016] Furthermore, the end of the pressure rod body 311 is bent upward to form a mounting part, and the locking hook 32 is fixed to the mounting part by rivets or bolts.

[0017] Furthermore, there is a gap between the upper end of the pressure rod and the top surface of the handheld area, and an elastic component is provided in the gap to give the pressure rod a downward movement tendency and achieve reset.

[0018] Furthermore, the elastic components 33 are multiple and symmetrically arranged between the handle and the pressure rod 31.

[0019] Furthermore, the elastic component 33 is a spring.

[0020] Furthermore, the elastic component 33 is a conical spring.

[0021] Beneficial effects

[0022] This utility model features a drawer self-locking structure with a locking hook that locks the drawer securely when closed, preventing accidental opening during transport and enhancing the safety of the drawer and its contents. A pressure rod structure allows for easy unlocking by simultaneously grasping the handle and pushing up the pressure rod, resulting in a quick, convenient, and efficient unlocking process. Furthermore, the ergonomic design ensures user comfort and reduces fatigue even during frequent use. The double locking hook structure improves locking stability, preventing drawer tilting and damage during transport, thus enhancing stability, reliability, and lifespan. A flexible layer at the lower end of the pressure rod improves tactile feedback and user comfort. This utility model's drawer self-locking structure is characterized by its self-locking function, compact structure, easy and effortless unlocking, high safety, comfort, and wide applicability. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the drawer self-locking structure of this utility model;

[0024] Figure 2 This is a cross-sectional view of the drawer self-locking structure of this utility model;

[0025] Figure 3 for Figure 2 Enlarged view of section A in the middle;

[0026] Figure 4 This is a schematic diagram of the drawer structure of the self-locking drawer of this utility model;

[0027] Figure 5 for Figure 4 Enlarged view of section B;

[0028] Figure 6 This is a schematic diagram of the installation of the pressure rod of the drawer self-locking structure of this utility model;

[0029] Figure 7 for Figure 6 Enlarged view of section C;

[0030] Figure 8 for Figure 6 Enlarged view of section D in the middle;

[0031] Figure 9 for Figure 6 Enlarged view of section E in the middle. Detailed Implementation

[0032] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0033] See Figures 1-9This utility model provides a drawer self-locking structure, including a cabinet body 1 and a drawer 2.

[0034] The cabinet 1 serves as the mounting carrier for installing the drawer 2. It has a rectangular structure and an installation cavity 10 is formed inside the cabinet 1. The front end of the installation cavity 10 is open for installing the drawer. A locking pin 11 is provided on one or both sides of the installation cavity 10. The locking pin 11 is cylindrical, horizontally set, and its axis is perpendicular to the sliding direction of the drawer.

[0035] There are one or more drawers 2. In this embodiment, there are multiple drawers 2, which are horizontally slidably fitted into the mounting cavity 10 via slide rails and can move back and forth. With the open end of the mounting cavity 10 as the front, a handle is provided on the front panel 21 of the drawer 2 for operating the drawer, i.e., for pulling out the drawer 2. A pressure rod 31 is provided in the handle, wherein the pressure rod 31 can move up and down (slide). It can return to its original position downward under its own weight, i.e., when the pressure rod is at its lower limit position, it is in the reset state. In order to improve the stability and reliability of the reset and avoid the influence of friction on accurate reset, an elastic component 33 is also provided in this embodiment. The elastic component 33 is provided at the upper end of the pressure rod 31, which gives the pressure rod 31 a downward tendency to move. It is used to push the pressure rod 31 downward to reset. There are multiple elastic components, which are symmetrically arranged between the handle and the pressure rod 31 along the length direction to improve the stability of the pressure rod and avoid deflection. In this application, the elastic component 33 is a spring, preferably a conical spring with a smaller upper end and a larger lower end, which has good stability. A locking hook 32 is provided at one or both ends of the pressure rod 31. The locking hook 32 is used to connect with the locking pin 11, thereby realizing the locking and fixing of the drawer. A guide surface 32a is provided at the end of the locking hook 32. The locking hook 32 faces the locking pin and can contact the side wall of the locking pin 11, thereby guiding the locking pin into the locking hook 32. In order to improve the locking and fixing effect and avoid deflection during movement, in this application, there are two locking hooks 32 and they are symmetrically arranged at both ends of the pressure rod 31.

[0036] The panel located at the front of the drawer is the front panel 21. In this application, the front panel is made of a metal sheet and includes a vertical panel body 211. The upper end of the panel body 211 is bent forward at a 90-degree angle to form a first connecting part 212. The end of the first connecting part 212 is bent downward at a 90-degree angle to form a second connecting part 213. The end of the second connecting part 213 is bent inward at a 180-degree angle to form a third connecting part 214. The third connecting part 214 fits into the second connecting part 213. This not only increases the overall thickness and improves the structural strength, but also enhances the bending resistance, providing a better fit for the installation of the pressure rod. The design provides support and creates a rounded transition at the bottom to avoid burrs and improve the feel during operation. This design ensures practicality while also taking into account aesthetics and safety. In addition, a hole 2101 is provided on the panel body 211. The hole 2101 is a vertically set strip hole that allows the locking hook 32 to pass through backward and is used to limit the vertical movement of the locking hook 32 and the pressure rod. The panel body 211, the first connecting part 212 and the third connecting part 214 form a handhold area 210 with an open bottom, which serves as a handle. The pressure rod 31 is installed in the handhold area 210. To improve the user experience and facilitate unlocking, in this application, when the lever 31 is in the lower limit position, the bottom surface of the lever 31 is higher than the lower end of the second connecting part 213. That is, the lever 31 is always located within the hand-held area, and the height difference between the two is 5mm-15mm, ensuring comfort and convenience during operation. This design takes ergonomics into account, allowing users to hold the lever more naturally and squeeze it to unlock without extra steps, making operation convenient and effortless.

[0037] In this application, the pressure bar 31 includes a strip-shaped pressure bar body 311. The length direction of the pressure bar body 311 is parallel to the length direction of the front panel. It is made of metal plate. The front and rear sides of the pressure bar body 311 are bent upward at 90 degrees to form side plates 312. The surface of the side plates can fit against the inner wall of the handle, thereby achieving a sliding fit. Specifically, it can fit against the surface of the panel body and the third connecting part. The two ends of the pressure bar body 311 are bent upward at 90 degrees to form mounting parts. The height of the mounting parts is the same as the height of the side plates. The overall shape is... The structure is a groove with an open top, which increases the width of the pressure bar, improves the reliability of the connection with the hand grip area, prevents deflection, and provides space for spring installation. The locking hook 32 is fixed to the mounting part by rivets or bolts. To improve the user experience, a soft protective layer can be provided on the lower surface of the pressure bar. This protective layer can be a rubber layer or other flexible material, which can improve the tactile feel when the fingers contact the pressure bar and prevent the pressure bar surface from being too hard, thus avoiding fingertip fatigue and discomfort. This improves the user comfort and provides a better user experience.

[0038] To improve the stability of the pressure bar, a guide structure, such as a guide groove or guide rod, can be set between the pressure bar and the hand-held area to improve the stability of the vertical sliding of the pressure bar, avoid deflection, and improve the performance.

[0039] See Figure 8 The locking hook 32 includes a rearwardly horizontally positioned locking hook body, which is rigidly fixed to the end of the pressure rod. The locking hook is a vertically positioned plate-like structure formed by stamping a metal plate. The rear end of the locking hook body is a downward-facing slope, forming a guide surface 32a. At the same time, a notch 320 is provided at the lower end of the locking hook body, which can accommodate the locking pin 11 to be inserted, thereby achieving locking. In this application, when the locking pin 11 is located in the notch 320, that is, in the locked state, there is a gap between the top of the locking pin 11 and the top surface of the notch 320, that is, the two do not contact each other, or they can just contact each other. It is necessary to ensure the processing and assembly accuracy so that when locked, the two just contact each other without generating relative force. This can avoid the locking pin from exerting pressure on the locking hook and pressure rod for a long time in the normal state, causing the pressure rod to deflect, and extending the overall service life.

[0040] During operation, insert your fingers upward into the handle area and apply upward force to the lever, pushing it upward. The upward movement of the lever causes the locking hooks at both ends to move upward until the locking hooks disengage from the locking pin. At this point, pull the handle forward to pull the drawer out of the cabinet. To close, push the drawer backward. When the locking hooks contact the locking pin, the guide surface pushes the locking hooks and lever upward until the locking pin enters the notch of the locking hook, achieving self-locking.

[0041] This utility model features a drawer self-locking structure with a locking hook that locks the drawer securely when closed, preventing accidental opening during transport and enhancing the safety of the drawer and its contents. A pressure rod structure allows for easy unlocking by simultaneously grasping the handle and pushing up the pressure rod, resulting in a quick, convenient, and efficient unlocking process. Furthermore, the ergonomic design ensures user comfort and reduces fatigue even during frequent use. The double locking hook structure improves locking stability, preventing drawer tilting and damage during transport, thus enhancing stability, reliability, and lifespan. A flexible layer at the lower end of the pressure rod improves tactile feedback and user comfort. This utility model's drawer self-locking structure is characterized by its self-locking function, compact structure, easy and effortless unlocking, high safety, comfort, and wide applicability.

[0042] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A drawer self-locking structure, characterized in that, include: The cabinet serves as an installation carrier, and an installation cavity with an open front end is formed inside the cabinet. Locking pins are provided on one or both sides of the installation cavity. A drawer, one or more, is horizontally slidable within the mounting cavity and capable of moving back and forth. The front panel of the drawer is provided with a handle for pulling out. The handle has a hand-holding area with an open lower end. The hand-holding area is provided with a pressure rod capable of moving up and down. The pressure rod can be reset downward by its own weight or an elastic component. One or both ends of the pressure rod are provided with a locking hook for connecting with the locking pin and locking. The end of the locking hook is provided with a guide surface that can contact the side wall of the locking pin and guide it to the guide surface inside the locking hook.

2. The drawer self-locking structure as described in claim 1, characterized in that: The locking hook includes a locking hook body rigidly fixed to the pressure rod. The end face of the locking hook body is a downward-facing slope and forms the guide surface. The lower end of the locking hook body has a notch that allows the locking pin to be inserted and locked.

3. The drawer self-locking structure as described in claim 2, characterized in that: When the locking pin is located within the recess, the top of the locking pin is in contact with the top surface of the recess or there is a gap between them.

4. The drawer self-locking structure as described in claim 1, characterized in that: The locking hook is a vertically arranged plate-like structure.

5. The drawer self-locking structure as described in claim 1, characterized in that: The front panel includes a panel body, the upper end of which is bent forward to form a first connecting part, the end of the first connecting part is bent downward to form a second connecting part, the end of the second connecting part is bent inward to form a third connecting part that fits into the second connecting part, and the panel body has a hole that allows the locking hook to pass through and limits its vertical movement. A handhold area with an open lower end is formed between the panel body, the first connecting part and the third connecting part, and serves as a handle.

6. The drawer self-locking structure as described in claim 1, characterized in that: The pressure bar includes a strip-shaped pressure bar body, the two sides of which are bent upward to form side plates that can fit against the inner wall of the handle and achieve sliding fit.

7. The drawer self-locking structure as described in claim 1, characterized in that: A guide rod is vertically arranged in the handheld area, and a guide hole is opened on the pressure rod. The guide hole is sleeved on the guide rod and realizes the upper and lower sliding fit of the pressure rod.

8. The drawer self-locking structure as described in claim 5, characterized in that: When in the lower limit position, the bottom surface of the pressure rod is higher than the lower end of the second connection.

9. The drawer self-locking structure as described in claim 6, characterized in that: The end of the pressure rod body is bent upward to form a mounting part, and the locking hook is fixed to the mounting part by rivets or bolts.

10. The drawer self-locking structure as described in claim 1, characterized in that: There is a gap between the upper end of the pressure rod and the top surface of the handheld area, and an elastic component is provided in the gap to give the pressure rod a downward movement tendency and achieve reset.

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