Drawer cabinet
By introducing a combination of a drive block and a locking plate into the drawer cabinet, the stability and visibility of the locking mechanism are achieved, solving the problems of unreliable locking and poor recognizability in existing technologies, and improving the safety and ease of operation of the drawer cabinet.
Patent Information
- Application Number
- CN202422647758.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-10-31
AI Technical Summary
The locking mechanism of existing drawer chests has a simple structure, which is easily damaged by vibration or external factors, resulting in unreliable locking, poor recognizability, and a poor user experience.
The design employs a combination of a drive block and a locking plate. The drive block moves laterally via an indicator plate, enabling the insertion of the locking plate and the locking of the drawer. Combined with a multi-limit structure, the stability and reliability of the locking are ensured, and the indicator plate enhances the visibility of the locking status.
It improves the safety and ease of operation of the drawer cabinet, prevents accidental locking due to vibration or external force, reduces the difficulty of operation, and enhances the user experience.
Smart Images

Figure CN223843413U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a drawer cabinet. Background Technology
[0002] Drawer cabinets in switchgear are modular electrical devices used for circuit control and protection in power distribution systems. Their main function is to facilitate switchgear maintenance, expansion, and equipment upgrades. The drawer cabinet design allows electrical components to be installed in drawer-type modules, which are pulled out via handles or slide rails, facilitating insertion, removal, and inspection, thus improving system safety and operational convenience. After the drawer units are installed in the cabinet, they need to be locked in place. Most existing drawer locking devices use side hooks, which are simple in structure and easily damaged by vibration or external factors, leading to unreliable locking and poor safety. Furthermore, the locking devices are not easily identifiable, resulting in a poor user experience. Therefore, improvements and optimizations are proposed. Utility Model Content
[0003] To address the aforementioned problems, the present invention aims to provide a drawer cabinet.
[0004] The technical solution adopted by this utility model of a drawer cabinet is as follows: It includes a drawer cabinet body and drawer units disposed on the drawer cabinet body. The drawer unit includes a drawer support frame fixed to the drawer cabinet body, a drawer body, and a drawer locking device. The drawer support frame includes a support frame body and support frame side portions formed by vertical bending at both ends of the support frame body. The support frame side portions are provided with locking slots for locking the drawer body. The drawer locking device includes a guide plate, a label plate, a drive block, and a locking plate fixed to the front end of the drawer body. The drive block includes a drive block limiting part and a drive block connecting joint. The signboard includes a signboard limiting part and a signboard body. The side of the signboard limiting part is provided with a drive block placement inlet for the lateral installation of the drive block limiting part. The back of the signboard limiting part is provided with a signboard rear clearance opening communicating with the drive block placement inlet and a drive block limiting opening for limiting the installation of the drive block limiting part. The front of the guide rear plate is provided with a rear plate limiting groove that connects with the signboard limiting part and a rear plate docking groove that corresponds to the signboard body. The rear plate limiting groove is provided with a rear plate guide opening for limiting the lateral movement of the drive block limiting part.
[0005] The locking plate includes a locking plate docking part that mates with the marking plate limiting part and a locking plate locking part that is parallel to the marking plate and mates with the locking opening.
[0006] The locking plate also includes a first transition portion and a second transition portion of the locking plate that connect the locking plate mating portion and the locking portion of the locking plate together. Both the first transition portion and the second transition portion of the locking plate are provided with a waist-shaped hole of the locking plate that is parallel to the marking plate. A limiting screw that is fixed to the bottom of the drawer body passes through the waist-shaped hole of the locking plate.
[0007] The locking plate is provided with a locking plate limiting head at the end of the docking part, and the locking plate limiting head is provided with a limiting head limiting port for placing the driving block limiting part.
[0008] Both the first transition portion and the second transition portion of the locking plate are provided with locking plate protrusions on their back sides to facilitate the movement of the locking plate.
[0009] The signboard is provided with a vertically arranged manual control panel and a horizontally arranged signboard protective part. The signboard protective part is provided with a first padlock hole. The front of the guide rear plate is provided with a rear plate protective part that is connected to the signboard protective part. The rear plate protective part is provided with a second padlock hole that is connected to the first padlock hole.
[0010] The upper and lower ends of the main body of the signboard are provided with signboard snap-fit protrusions, and the upper and lower ends of the rear plate docking groove are provided with rear plate snap-fit stop edges for limiting the signboard snap-fit protrusions.
[0011] The advantages of this utility model of drawer cabinet are as follows: by moving the indicator plate, the locking plate is driven to lock and unlock the drawer; the use of multiple limit switches makes the locking action more stable and reliable, effectively preventing drawers from being mis-locked due to vibration or external force, thus improving the safety of the equipment; the sliding locking design reduces the difficulty of operation and improves the efficiency of drawer installation and disassembly; the indicator plate is set at the front of the drawer body, making it easy for users to quickly judge the locking status and improving the user experience. Attached Figure Description
[0012] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0013] Figure 1 This is the front view of the drawer cabinet of this utility model;
[0014] Figure 2 This is a structural schematic diagram of the drawer unit of this utility model;
[0015] Figure 3 This is a schematic diagram of the drawer locking device of this utility model;
[0016] Figure 4 This is a structural schematic diagram of the drawer support frame of this utility model;
[0017] Figure 5 This is a schematic diagram of the structure of the drive block of this utility model;
[0018] Figure 6 This is a front structural diagram of the guide rear plate of this utility model;
[0019] Figure 7 This is a schematic diagram of the structure of the locking plate of this utility model;
[0020] Figure 8 This is a schematic diagram of the back structure of the signboard of this utility model;
[0021] Figure 9 This is a schematic diagram of the front structure of the signboard of this utility model. Detailed Implementation
[0022] like Figure 1-9 As shown, the drawer cabinet of this utility model includes a drawer cabinet body 1 and a drawer unit 2 disposed on the drawer cabinet body 1. The drawer unit 2 includes a drawer support frame 4 fixed to the drawer cabinet body 1, a drawer body 5, and a drawer locking device 7. The drawer support frame 4 includes a support frame body 13 and a support frame side portion 14 formed by vertically bending both ends of the support frame body 13. The support frame side portion 14 is provided with a locking slot 15 for locking the drawer body 5. The drawer locking device 7 includes components fixed to the drawer body. 5. The front end includes a guide plate 8, an identification plate 9, a driving block 10, and a locking plate 11. The driving block 10 includes a driving block limiting part 23 and a driving block connecting joint 24. The identification plate 9 includes an identification plate limiting part 17 and an identification plate body 18. The side of the identification plate limiting part 17 is provided with a driving block insertion port 25 for the horizontal installation of the driving block limiting part 23. The back of the identification plate limiting part 17 is provided with an identification plate rear clearance port 26 communicating with the driving block insertion port 25 and a driving block limiting part for limiting the installation of the driving block limiting part 23. The guide plate 8 has a rear plate limiting groove 20 that connects to the marking plate limiting part 17 and a rear plate docking groove 19 that corresponds to the marking plate body 18. The rear plate limiting groove 20 has a rear plate guide opening 21 for limiting the lateral movement of the driving block limiting part 23. The locking plate 11 includes a locking plate docking part 30 that connects to the marking plate limiting part 17 and a locking plate locking part 33 that is parallel to the marking plate 9 and connects to the locking opening 15. By moving the marking plate 9, the marking plate 9 moves... The drive block 10 moves laterally, and the drive block connector 24 of the drive block 10 causes the locking plate 11 to move laterally. The locking plate 11 is inserted into the locking port 15 of the drawer support frame 4 to lock the drawer. The use of multiple limit switches makes the locking action more stable and reliable, effectively preventing the drawer from being mis-locked due to vibration or external force, thus improving the safety of the equipment. The sliding locking design reduces the difficulty of operation and improves the efficiency of drawer installation and disassembly. The indicator plate 9 is set at the front of the drawer body, which makes it easy for users to quickly judge the locking status and improves the user experience.
[0023] The locking plate 11 also includes a first transition portion 31 and a second transition portion 32 that connect the locking plate mating portion 30 and the locking portion 33. Both the first transition portion 31 and the second transition portion 32 are provided with a waist-shaped hole 35 parallel to the marking plate 9. A limiting screw 12 fixed to the bottom of the drawer body 5 passes through the waist-shaped hole 35, which effectively limits the lateral movement distance of the locking plate 11. It cooperates with the rear plate guide opening 21 to make the locking distance stable and controllable, and the safety higher.
[0024] The locking plate docking part 30 is provided with a locking plate limiting head 36 at its end. The locking plate limiting head 36 is provided with a limiting head limiting port 37 for placing the driving block limiting part 23. It is detachable and convenient for subsequent maintenance.
[0025] Both the first transition portion 31 and the second transition portion 32 of the locking plate are provided with locking plate protrusions 38 on their back sides to facilitate the movement of the locking plate 11, thereby reducing frictional resistance during movement and making the operation smoother.
[0026] The signboard 9 is provided with a vertically arranged hand-operated plate 40 and a horizontally arranged signboard protective part 41. The hand-operated plate 40 is convenient for users to operate by hand. The signboard protective part 41 is provided with a first padlock hole 43. The front of the guide rear plate 8 is provided with a rear plate protective part 42 that is connected to the signboard protective part 41. The rear plate protective part 42 is provided with a second padlock hole 44 that is connected to the first padlock hole 43. In the locked state, the signboard 9 and the guide rear plate 8 can be reinforced by padlocks to further improve security.
[0027] The upper and lower ends of the main body 18 of the signboard are provided with signboard snap-fit protrusions 46, and the upper and lower ends of the rear plate docking groove 19 are provided with rear plate snap-fit stops 47 for limiting the signboard snap-fit protrusions 46. The signboard 9 has good movement guidance and is more stable and reliable in installation.
[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model are included within the protection scope of the present utility model.
Claims
1. A drawer cabinet, comprising a drawer cabinet body (1) and a drawer unit (2) disposed on the drawer cabinet body (1), the drawer unit (2) comprising a drawer support frame (4) fixed on the drawer cabinet body (1), a drawer body (5) and a drawer locking device (7), the drawer support frame (4) comprising a support frame body (13) and a support frame side portion (14) formed by vertically bending both ends of the support frame body (13), the support frame side portion (14) being provided with a locking slot (15) for locking the drawer body (5), characterized in that: The drawer locking device (7) includes a guide plate (8), an indicator plate (9), a drive block (10), and a locking plate (11) fixed to the front end of the drawer body (5). The drive block (10) includes a drive block limiting part (23) and a drive block connecting joint (24). The indicator plate (9) includes an indicator plate limiting part (17) and an indicator plate body (18). The side of the indicator plate limiting part (17) is provided with a drive block insertion port (25) for the horizontal installation of the drive block limiting part (23). (17) The back is provided with a rear clearance opening (26) for the identification plate that communicates with the drive block placement entrance (25) and a drive block limiting opening (27) for the installation and limiting of the drive block limiting part (23). The front of the guide back plate (8) is provided with a back plate limiting groove (20) that is opposite to the identification plate limiting part (17) and a back plate docking groove (19) that is corresponding to the identification plate body (18). The back plate limiting groove (20) is provided with a back plate guide opening (21) for limiting the lateral movement of the drive block limiting part (23). The locking plate (11) includes a locking plate docking part (30) that docks with the marking plate limiting part (17) and a locking plate locking part (33) that is parallel to the marking plate (9) and docks with the locking port (15).
2. The drawer cabinet according to claim 1, characterized in that: The locking plate (11) also includes a first transition portion (31) and a second transition portion (32) of the locking plate that connect the locking plate mating portion (30) and the locking plate locking portion (33). Both the first transition portion (31) and the second transition portion (32) of the locking plate are provided with a waist-shaped hole (35) of the locking plate that is parallel to the marking plate (9). A limiting screw (12) fixed to the bottom of the drawer body (5) is provided through the waist-shaped hole (35) of the locking plate.
3. The drawer cabinet according to claim 2, characterized in that: The locking plate docking part (30) is provided with a locking plate limiting head (36) at its end, and the locking plate limiting head (36) is provided with a limiting head limiting port (37) for placing the driving block limiting part (23).
4. The drawer cabinet according to claim 2, characterized in that: Both the first transition portion (31) and the second transition portion (32) of the locking plate are provided with locking plate protrusions (38) on their back sides to facilitate the movement of the locking plate (11).
5. The drawer cabinet according to claim 1, characterized in that: The signboard (9) is provided with a vertically arranged hand-operated board (40) and a horizontally arranged signboard protective part (41). The signboard protective part (41) is provided with a first padlock hole (43). The front of the guide rear plate (8) is provided with a rear plate protective part (42) that is connected to the signboard protective part (41). The rear plate protective part (42) is provided with a second padlock hole (44) that is connected to the first padlock hole (43).
6. The drawer cabinet according to claim 1, characterized in that: The upper and lower ends of the main body (18) of the signboard are provided with signboard snap-fit protrusions (46), and the upper and lower ends of the rear plate docking groove (19) are provided with rear plate snap-fit blocking edges (47) for limiting the signboard snap-fit protrusions (46).