Drawer position locking device of switch cabinet

By setting up a double-sided symmetrical locking and sealing structure on the switch cabinet drawer, the problem of accidental activation due to single-sided self-locking is solved, the stability and safety of the equipment are improved, the service life is extended, and electrical components are protected.

CN224110691UActive Publication Date: 2026-04-10NINGBO LIXIN DISTRIBUTING CABINET WORKS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO LIXIN DISTRIBUTING CABINET WORKS
Filing Date
2025-04-24
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional switch cabinet drawers with single-sided self-locking structures are prone to accidental activation and have a poor user experience. Furthermore, unbalanced forces can cause drawers to wobble and shift, affecting the stability and safety of the equipment.

Method used

The drawer features a symmetrical locking structure, including locking and sealing components. The symmetrical locking and sealing components ensure stable locking of the drawer, reducing the risk of accidental activation. A seal between the drawer and the cabinet body prevents dust and moisture from entering.

Benefits of technology

It improves the stability and safety of equipment operation, enhances operational comfort, extends the service life of drawers and slides, and protects electrical components from external environmental influences.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of drawer locking, and discloses a drawer position locking device of a switch cabinet, which comprises a main body assembly and a cabinet body, a drawer is arranged in the cabinet body, a partition plate is fixed on the cabinet body, the drawer can slide on the partition plate, the drawer comprises a front plate, and a rear chamber is fixed on one side of the front plate; the locking assembly is located on one side of the drawer and comprises a locking piece. The drawer locking device has the advantages that the risk of accidental unlocking of the drawer caused by mistaken touch is reduced by arranging the two sets of symmetrical locking structures, the stability and safety of equipment operation are improved, the drawer is more comfortable to operate due to the double-side self-locking structure, stress on the two sides in the locking state is more balanced, abrasion of drawer rails is reduced, and the service life of the drawer is prolonged. And meanwhile, sealing elements are additionally arranged between the drawer and the cabinet body bracket, so that dust and moisture are prevented from entering the drawer, and electrical elements in the drawer are protected from being influenced by the external environment.
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Description

TECHNICAL FIELD

[0001] The utility model relates to drawer locking technical field, especially a drawer position locking device of switch cabinet. BACKGROUND

[0002] In the daily use of switch cabinet, the position locking device of drawer plays a vital role. The traditional switch cabinet drawer generally adopts unilateral self-locking structure to realize the locking of drawer and bottom plate, so as to limit the drawer to open and close at will, guarantee the safety of electrical equipment operation, however, the unilateral self-locking structure is more prone to accidental touch phenomenon in the process of use, once accidentally touched, it may cause the drawer to be unlocked accidentally, not only affect the normal operation of equipment, but also may cause safety hazards, unilateral operation affects the use experience of operating personnel, unilateral force imbalance may also cause the drawer to shake, deviate and other problems in the process of opening and closing, further affect the stability and service life of electrical components in the drawer. SUMMARY

[0003] In view of the above and / or existing problems in the position locking device of drawer of switch cabinet, the utility model is proposed.

[0004] Therefore, the problem to be solved by the utility model is that the unilateral self-locking structure is prone to accidental touch and poor operation experience.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a drawer position locking device of switch cabinet, which comprises a main body assembly, a cabinet body, a drawer arranged in the cabinet body, a partition plate fixed on the cabinet body, the drawer being slidable on the partition plate, the drawer comprising a front plate, the front plate being fixed with a rear chamber on one side;

[0006] A locking assembly is located on one side of the drawer and comprises a locking piece, the locking piece being provided with a cooperating piece on one side, the locking piece comprising a fixed block fixed on the partition plate, a locking groove being formed in the fixed block, a support column being fixed on the inner wall of the rear chamber, a first moving groove being formed in the support column, a locking block being arranged in the first moving groove, and one end of the locking block being capable of being engaged with the locking groove.

[0007] A sealing assembly is located on one side of the cabinet body and comprises a sealing rubber strip fixed on one side of the front plate, and a first recess corresponding to the sealing rubber strip is formed in the cabinet body.

[0008] As a preferred scheme of the drawer position locking device of switch cabinet according to the utility model, the cooperating piece comprises a moving column located on one side of the locking block, a stress block is fixed on the moving column, a through groove is formed in the locking block, the moving column is slidable in the through groove, and the stress block is attached to the inner wall of the through groove.

[0009] As a preferred scheme of the drawer position locking device of the switch cabinet, the front plate is provided with a second moving groove, and the moving column slides in the moving column.

[0010] As a preferred scheme of the drawer position locking device of the switch cabinet, one end of the moving column is fixed with a button, the front plate is fixed with a sleeve, the size of the button corresponds to the size of the inner wall of the sleeve, and the button can slide in the sleeve.

[0011] As a preferred scheme of the drawer position locking device of the switch cabinet, one end of the button is fixed with a first spring, and the other end of the first spring is fixed on the front plate.

[0012] As a preferred scheme of the drawer position locking device of the switch cabinet, the number of the locking assemblies is two, and the two locking assemblies are symmetrically distributed about the center axis of the drawer.

[0013] As a preferred scheme of the drawer position locking device of the switch cabinet, an auxiliary block is fixed on the inner wall of the rear chamber, and the moving column slides in the auxiliary block.

[0014] As a preferred scheme of the drawer position locking device of the switch cabinet, the locking block is fixed with an auxiliary plate on one side.

[0015] As a preferred scheme of the drawer position locking device of the switch cabinet, a second spring is fixed on one end of the locking block, and the other end of the second spring is fixed with the inner wall of the rear chamber.

[0016] As a preferred scheme of the drawer position locking device of the switch cabinet, a second groove is formed in the partition plate, and the sealing rubber strip can be clamped with the second groove.

[0017] The utility model discloses beneficial effects are: through setting two groups of symmetrical locking structure, reduce the risk of accidental unlocking of drawer because of mistake, improve the stability and safety of equipment operation, bilateral self locking structure makes when operating drawer more comfortable, two sides are more balanced under the locking state, reduce the wear and tear of drawer track, prolong the service life of drawer and track, simultaneously add sealing element in the drawer and cabinet body support, prevent dust and moisture from entering the inside of drawer, protect the electrical element in drawer from the influence of external environment. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the premise of not deviating from the concept of the present application.

[0019] Figure 1 It is an overall structural diagram of the drawer position locking device of the switch cabinet.

[0020] Figure 2 It is a drawer structure diagram of the drawer position locking device of the switch cabinet.

[0021] Figure 3 It is another perspective structure diagram of the drawer position locking device of the switch cabinet.

[0022] Figure 4 It is a partition plate structure diagram of the drawer position locking device of the switch cabinet.

[0023] Figure 5 It is a sectional structure diagram of the locking block of the drawer position locking device of the switch cabinet.

[0024] Figure 6 It is a moving column structure diagram of the drawer position locking device of the switch cabinet. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0026] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without deviating from the concept of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0027] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0028] Embodiment 1

[0029] Reference Figures 1-6For the first embodiment of the utility model, the embodiment provides a drawer position locking device of a switch cabinet, the drawer position locking device of the switch cabinet comprises a main body assembly 100, comprising a cabinet body 101, the cabinet body 101 is provided with a drawer 102, the cabinet body 101 is fixed with a partition plate 103, the number of partition plate 103 is multiple, the drawer 102 comprises a front plate 102a, the front plate 102a is fixed with a rear chamber 102b on one side, the partition plate 103 is fixed with a sliding rail 104, the rear chamber 102b is fixed with a sliding block 105 in the middle of bottom, the sliding rail 104 is matched with the sliding block 105, the drawer 102 can slide on the partition plate 103, the front plate 102a is also fixed with a handle 106, for pulling or pushing the drawer 102.

[0030] Locking assembly 200, located on one side of drawer 102, comprising locking piece 201, the setting for locking piece 201 is used to lock the relative position of drawer 102 and partition plate 103 after the closure of drawer 102, locking piece 201 one side is provided with cooperating piece 202, cooperating piece 202 is used to realize the locking of locking piece 201.

[0031] Locking piece 201 includes fixed block 201a fixed on partition plate 103, fixed block 201a is provided with locking slot 201a-1, rear chamber 102b inner wall is fixed with support column 201b, support column 201b is provided with first moving slot 201b-1 in, first moving slot 201b-1 is provided with locking block 201c, support column 201b limits locking block 201c and can only move vertically, locking block 201c one end can be combined with locking slot 201a-1, when the two are combined, the position of drawer 102 will be fixed with the position of partition plate 103, so as to prevent drawer 102 from opening because of accidental touch, further affect the use of switch cabinet.

[0032] Sealing assembly 300, located on one side of cabinet body 101, comprising sealing rubber strip 301 fixed on one side of front plate 102a, cabinet body 101 is provided with first recess 101-1 corresponding with sealing rubber strip 301, through sealing rubber strip 301, the gap between the front plate 102a of drawer 102 and cabinet body 101 can be filled, so as to avoid when drawer 102 needs to be closed for a long time, dust or moisture enters the inside of drawer 102, and the use of internal electrical components is affected.

[0033] Embodiment 2

[0034] Refer to Figures 1-6 For the second embodiment of the utility model, the embodiment is based on the last embodiment.

[0035] Specifically, the fitting piece 202 includes a moving column 202a located at one side of the locking block 201c, the moving column 202a is arranged to control the engagement state of the locking block 201c and the locking groove 201a-1, a force receiving block 202b is fixed on the moving column 202a, the moving column 202a can drive the force receiving block 202b to move synchronously, the locking block 201c is provided with a through groove 201c-1, the moving column 202a slides in the through groove 201c-1, the force receiving block 202b is triangular, and the oblique side of the force receiving block 202b is attached to the inner wall of the through groove 201c-1.

[0036] When the moving column 202a moves, the force receiving block 202b moves, and the inclined surface of the force receiving block 202b extrudes the through groove 201c-1, so that the locking block 201c moves upward along the first moving groove 201b-1, and then moves away from the locking groove 201a-1, so that the locking block 201c is separated from the locking groove 201a-1.

[0037] Specifically, the front plate 102a is provided with a second moving groove 102-1, the moving column 202a slides in the moving column 202a, and the rear chamber 102b is also provided with a groove corresponding to the moving column 202a, one end of the moving column 202a extends to the outside of the end face of the front plate 102a.

[0038] Specifically, one end of the moving column 202a is fixed with a button 202c, the front plate 102a is fixed with a sleeve 202d, the size of the button 202c corresponds to the size of the inner wall of the sleeve 202d, the button 202c can slide in the sleeve 202d, the sleeve 202d limits the moving direction of the button 202c, and pressing the button 202c will drive the moving column 202a to move away from the front plate 102a, so as to separate the locking block 201c and the locking groove 201a-1, and release the locking of the drawer 102.

[0039] Specifically, one end of the button 202c is fixed with a first spring 202e, the other end of the first spring 202e is fixed on the front plate 102a, the first spring 202e applies a continuous pushing force to the button 202c, so as to ensure that the one end of the button 202c protrudes from the end face of the sleeve 202d in the absence of other external force, and at this time, a small part of the button 202c is still located in the sleeve 202d, so as to ensure that the position of the button 202c will not be deviated when the button 202c is pressed.

[0040] When the button 202c is pressed, the first spring 202e will be compressed, and the moving column 202a moves away from the front plate 102a, when the button 202c is released, the first spring 202e restores, and drives the button 202c to reset, so that the moving column 202a moves towards the front plate 102a, and then returns to the initial position.

[0041] Specifically, the number of locking assemblies 200 is two, which are symmetrically distributed about the center axis of the drawer 102. By arranging two sets of symmetric locking assemblies 200, the drawer 102 is subjected to uniform force on both sides in the closed state, is better kept in the fixed position, and the shaking or deviation caused by unilateral force is reduced. Especially when the switch cabinet is subjected to vibration or external force impact, the drawer 102 can be effectively prevented from being accidentally opened, the stability and safety of the equipment operation are improved, the installation of electrical components in the drawer 102 is facilitated, the damage to the components caused by vibration and displacement is reduced, the wear of the drawer rail and related parts is reduced, the service life of the drawer 102 and the entire switch cabinet is prolonged, the overall performance and reliability of the equipment are improved, and solid protection is provided for long-term stable operation of the power system.

[0042] When the drawer 102 is opened, the operator can press the buttons 202c on both sides at the same time, which improves the comfort of the operator's two-hand operation compared with unilateral button 202c.

[0043] Embodiment 3

[0044] Reference Figures 1-6 This embodiment is based on the previous two embodiments.

[0045] Specifically, the rear chamber 102b has an auxiliary block 202f fixed on the inner wall, and the auxiliary block 202f is provided with a groove corresponding to the moving column 202a, and the moving column 202a is slidably arranged in the groove to provide auxiliary support for the moving column 202a and ensure the stability of the movement.

[0046] Specifically, the locking block 201c is fixed with an auxiliary plate 202g on one side.

[0047] Specifically, the locking block 201c is fixed with a second spring 202h at one end, and the other end of the second spring 202h is fixed with the inner wall of the rear chamber 102b. The second spring 202h continuously exerts a pulling force on the auxiliary plate 202g. When the moving column 202a moves to separate the locking block 201c from the locking groove 201a-1, the second spring 202h will be elongated. When the moving column 202a is reset, the stressed block 202b no longer presses the through groove 201c-1. At this time, the second spring 202h will recover, thereby driving the locking block 201c to move downward again and be engaged with the locking groove 201a-1.

[0048] The second spring 202h is provided with a support block 202i fixed on the inner wall of the rear chamber 102b at one end, and the support block 202i is provided with a groove corresponding to the auxiliary plate 202g, and the auxiliary plate 202g is slidably arranged in the groove to limit the support block 202i.

[0049] Specifically, the second groove 103-1 is arranged on the partition plate 103, and the sealing rubber strip 301 is clamped with the second groove 103-1.

[0050] When the locking block 201c is completely clamped with the locking block 201c, the sealing rubber strip 301 is extruded by the front plate 102a, the cabinet body 101 and the partition plate 103, and is deformed, so that when the drawer 102 is closed, impurities and moisture outside the switch cabinet cannot enter the inside of the drawer 102, and affect the use of the internal electrical components.

[0051] The sealing rubber strip 301 is arranged, so that when the drawer 102 is closed, the operator needs to use a certain force to extrude the drawer 102, and then releases the button 202c, and then pulls the handle 106 to ensure that the locking block 201c is clamped with the locking groove 201a-1, and the position of the drawer 102 is locked.

[0052] In use, the drawer 102 is opened, the operator presses the two buttons 202c with both hands, drives the moving column 202a to move away from the front plate 102a, the moving column 202a moves, drives the stress block 202b to move, the inclined surface of the stress block 202b extrudes the through groove 201c-1, so that the locking block 201c moves upward along the first moving groove 201b-1, and then moves away from the locking groove 201a-1, so that the locking block 201c is separated from the locking groove 201a-1, and the drawer 102 is unlocked, and then the handle 106 is pulled to open the drawer 102, when the drawer 102 can be pulled, the button 202c is released, when the button 202c is released, the first spring 202e restores, drives the button 202c to reset, so that the moving column 202a moves towards the front plate 102a, and then returns to the initial position, the stress block 202b no longer extrudes the through groove 201c-1, and the second spring 202h restores, and then drives the locking block 201c to move downward.

[0053] When the drawer 102 is closed, the two buttons 202c are pressed again, so that the locking block 201c moves upward again, the operator needs to use a certain force to extrude the drawer 102, so that the sealing rubber strip 301 can be extruded by the front plate 102a, the cabinet body 101 and the partition plate 103, and is deformed, so that when the drawer 102 is closed, impurities and moisture outside the switch cabinet cannot enter the inside of the drawer 102, and affect the use of the internal electrical components, and after the drawer 102 is closed and the button 202c is released, the handle 106 needs to be pulled to ensure that the locking block 201c is clamped with the locking groove 201a-1, so as to ensure that the position of the drawer 102 is locked.

[0054] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A drawer position locking device of a switchgear cabinet, characterized by: Include, The main body assembly (100) includes the cabinet body (101), the drawer (102) is arranged in the cabinet body (101), the cabinet body (101) is fixed with the partition (103), the drawer (102) is slidably arranged on the partition (103), and the drawer (102) includes the front plate (102a), one side of the front plate (102a) is fixed with the back room (102b); The locking assembly (200) is located on one side of the drawer (102) and includes the locking piece (201), one side of the locking piece (201) is provided with the matching piece (202), the locking piece (201) includes the fixed block (201a) fixed on the partition (103), the fixed block (201a) is provided with the locking slot (201a-1), the inner wall of the back room (102b) is fixed with the support column (201b), the first moving slot (201b-1) is formed in the support column (201b), the locking block (201c) is arranged in the first moving slot (201b-1), and one end of the locking block (201c) is clamped with the locking slot (201a-1). The sealing assembly (300) is located on one side of the cabinet body (101) and includes the sealing rubber strip (301) fixed on one side of the front plate (102a), and the first recess (101-1) corresponding to the sealing rubber strip (301) is formed in the cabinet body (101).

2. The drawer position locking device of the switchgear cabinet according to claim 1, characterized in that: The matching piece (202) includes the moving column (202a) located on one side of the locking block (201c), the moving column (202a) is fixed with the stress block (202b), the locking block (201c) is provided with the through slot (201c-1), the moving column (202a) is slidably arranged in the through slot (201c-1), and the stress block (202b) is attached to the inner wall of the through slot (201c-1).

3. The drawer position locking device of the switchgear cabinet according to claim 2, characterized in that: The front plate (102a) is provided with the second moving slot (102-1), and the moving column (202a) is slidably arranged in the moving column (202a).

4. The drawer position locking device of the switchgear cabinet according to claim 2 or 3, characterized in that: One end of the moving column (202a) is fixed with the button (202c), the front plate (102a) is fixed with the sleeve (202d), the size of the button (202c) corresponds to the size of the inner wall of the sleeve (202d), and the button (202c) is slidably arranged in the sleeve (202d).

5. The drawer position locking device of the switchgear cabinet according to claim 4, characterized in that: One end of the button (202c) is fixed with the first spring (202e), and the other end of the first spring (202e) is fixed on the front plate (102a).

6. The drawer position locking device of the switchgear cabinet according to claim 5, characterized in that: The number of the locking assembly (200) is two, and the center axis of the drawer (102) is symmetrically distributed.

7. The drawer position locking device of the switchgear cabinet according to claim 5 or 6, characterized in that: The inner wall of the back room (102b) is fixed with the auxiliary block (202f), and the moving column (202a) is slidably arranged therein.

8. The drawer position locking device of the switchgear cabinet according to claim 7, characterized in that: One side of the locking block (201c) is fixed with the auxiliary plate (202g).

9. The drawer position locking device of the switchgear cabinet according to claim 8, characterized in that: One end of the locking block (201c) is fixed with the second spring (202h), and the other end of the second spring (202h) is fixed with the inner wall of the back room (102b).

10. The drawer position locking device of the switchgear cabinet according to claim 8 or 9, characterized in that: The second groove (103-1) is arranged on the partition plate (103), and the sealing rubber strip (301) is clamped with the second groove (103-1).