Drawer with openable end plates for electric appliance cabinet
By designing an openable end plate and locking mechanism on the drawer of the appliance cabinet, the problem of drawers accidentally opening due to vibration is solved, improving safety and maintenance efficiency.
Patent Information
- Application Number
- CN202422693525.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The drawers of the existing appliance cabinet are prone to being accidentally opened by external vibrations when closed, posing a safety hazard. Furthermore, the end panels need to be completely disassembled during maintenance, resulting in low efficiency.
An appliance cabinet drawer with an openable end plate was designed. One end of the end plate is hinged, and the other end is fixed with bolts. It is equipped with a locking mechanism to prevent accidental operation and is detachably connected by bolts. The locking mechanism also prevents accidental opening.
It effectively prevents drawers from opening accidentally due to vibration, improving safety and simplifying the maintenance process, thus increasing efficiency.
Smart Images

Figure CN223487686U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power distribution cabinet technology, and in particular to a drawer for an electrical cabinet with an openable end plate. Background Technology
[0002] Electrical cabinets are devices that protect components and ensure their proper functioning. They are typically made of steel, either hot-rolled or cold-rolled. Cold-rolled steel is more flexible and better suited for electrical cabinet construction. They are mainly used in industries such as chemical engineering, environmental protection, power systems, metallurgy, nuclear power, fire safety monitoring, and transportation. An electrical cabinet consists of an outer shell, steel structure, mounting plates, and components, instruments, control devices, and cables. Internally, it includes compartments for busbars, components, and outgoing lines. In power systems, electrical cabinets are responsible for opening, closing, controlling, and protecting electrical equipment, ensuring the normal operation of the power system.
[0003] As an accessory to an appliance cabinet, drawers require the installation of electrical components. Currently, external vibrations can easily cause drawers to open accidentally when closed, posing a significant safety hazard.
[0004] In addition, when inspecting the drawers, the front end plate of the current drawers is fixed to the drawer. When disassembly is required, the end plate needs to be completely removed, which reduces the efficiency of the inspection.
[0005] It is desirable to provide a drawer for an electrical cabinet with an openable end panel, in order to solve the above-mentioned technical problems. Utility Model Content
[0006] The purpose of this utility model is to provide an appliance cabinet drawer with an openable end plate. One end of the end plate at the front of the drawer is hinged, and the other end is fixed by bolts for easy opening. In addition, by setting a locking mechanism inside the drawer, the drawer is effectively prevented from being opened accidentally.
[0007] To achieve the above-mentioned utility model objectives, an appliance cabinet drawer with an openable end plate is provided, comprising a drawer housing, an end plate, and a locking mechanism;
[0008] The inner outer end of the drawer housing is provided with input terminals and output terminals;
[0009] A hinge is provided on one side of the outer end of the drawer housing, and one end of the end plate is hinged to the hinge of the drawer housing.
[0010] At least two bolts are horizontally provided on the other end of the end plate, and the bolts are vertically distributed on the end plate.
[0011] The drawer housing has connection holes on the other side of the outer end corresponding to the bolt positions, and the other end of the end plate is detachably fixed to the other side of the outer end of the drawer housing by the bolts.
[0012] The locking mechanism includes a base, a mounting base, a rotating shaft, a first connecting plate, and a second connecting plate;
[0013] The base is fixed to the bottom of the inner wall of the drawer housing. The base is provided with a first long groove that penetrates the upper and lower surfaces of the base. The bottom of the drawer housing is provided with a second long groove that penetrates the upper and lower surfaces of the bottom of the drawer housing.
[0014] The mounting base is fixed to the bottom of the inner wall of the drawer housing and is located between the end plate and the base;
[0015] The rotating shaft is horizontally rotatably mounted on the mounting base and is positioned along the sliding direction of the drawer housing;
[0016] The upper end of the first connecting plate is rotatably connected to the edge of one inner end of the rotating shaft, and the lower end of the first connecting plate is hinged to the second connecting plate.
[0017] The second connecting plate passes through the first long slot and the second long slot;
[0018] A handle is provided on the end plate opposite the pivot, and the outer end of the pivot is inserted into the inner side of the handle.
[0019] Preferably, the number of bolts is two.
[0020] Preferably, the bottom and sides of the drawer housing are provided with a plurality of heat dissipation holes evenly distributed.
[0021] Preferably, a mounting plate is vertically fixed to the bottom of the inner wall of the drawer housing.
[0022] Preferably, the bottom front end of the drawer housing is provided with a limiting groove along the sliding direction of the drawer, and the limiting groove passes through the upper and lower surfaces of the bottom of the drawer housing.
[0023] This utility model discloses a drawer for an electrical cabinet with an openable end plate, which has the following advantages compared with the prior art:
[0024] (1) One end of the end plate is hinged to one side of the outer end of the drawer body, and the other end is fixed to the drawer body by bolts, which makes it easy to open the end plate for maintenance; by setting a locking mechanism inside the drawer, the drawer is effectively prevented from being opened accidentally.
[0025] (2) Simple structure and easy to use. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the structure of a drawer for an electrical cabinet with an openable end panel, as described in this embodiment. Figure 1 ;
[0027] Figure 2 This is a schematic diagram of the drawer housing in this embodiment;
[0028] Figure 3 This is a schematic diagram of the locking mechanism in this embodiment;
[0029] Figure 4 This is a schematic diagram of the structure of a drawer for an electrical cabinet with an openable end panel, as described in this embodiment. Figure 2 . Detailed Implementation
[0030] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0031] like Figure 1 As shown, an appliance cabinet drawer with an openable end plate includes a drawer housing 1, an end plate 2, and a locking mechanism 3.
[0032] The inner side of the drawer housing 1 is provided with an input terminal 4 and an output terminal 5. The input terminal 4 and the output terminal 5 are electrically connected to external devices, thereby enabling the electrical components inside the drawer housing 1 to operate.
[0033] like Figure 2 As shown, a hinge 6 is provided on one side of the outer end of the drawer housing 1. One end of the end plate 2 is hinged to the hinge 6 of the drawer housing 1. At least two bolts 7 are horizontally provided on the other end of the end plate 2, and the bolts 7 are vertically distributed on the end plate 2. Connecting holes 8 are provided on the other side of the outer end of the drawer housing 1 corresponding to the positions of the bolts. The other end of the end plate 2 is detachably fixed to the other side of the outer end of the drawer housing 1 by the bolts 7. With this configuration, when it is necessary to repair the components on the end plate 2, the bolts 7 on one side of the end plate 2 can be opened to rotate the end plate 2 for repair without completely disassembling the end plate 2. In this embodiment, the number of bolts 7 is two.
[0034] like Figure 3 As shown, the locking mechanism 3 includes a base 9, a mounting base 10, a rotating shaft 11, a first connecting plate 12, and a second connecting plate 13; the base 9 is fixed to the bottom of the inner wall of the drawer housing 1, and the base 9 is provided with a first long groove 14, which penetrates the upper and lower surfaces of the base 9; the bottom of the drawer housing 1 is provided with a second long groove 15 opposite to the first long groove 14, which penetrates the upper and lower surfaces of the bottom of the drawer housing 1.
[0035] The mounting base 10 is fixed to the bottom of the inner wall of the drawer housing 1 and is located between the end plate 2 and the base 9; the rotating shaft 11 is horizontally rotatably mounted on the mounting base 10 and is arranged along the sliding direction of the drawer housing 1; the upper end of the first connecting plate 12 is rotatably connected to the edge of the inner side of the rotating shaft 11, and the lower end of the first connecting plate 12 is hinged to the second connecting plate 13; the second connecting plate 13 passes through the first long groove 14 and the second long groove 15; a handle 16 is provided on the end plate 2 opposite to the rotating shaft 11, and the outer end of the rotating shaft 11 is inserted into the inner side of the handle 16.
[0036] The locking mechanism designed above, by turning the handle 16, causes the rotating shaft 11 to rotate. Under the transmission of the first connecting plate 12, the second connecting plate 13 extends out the first long groove 14 and the second long groove 15, and inserts into the corresponding holes in the electrical cabinet to lock the drawer in the locked position, preventing the drawer from opening due to external vibration.
[0037] In this embodiment, the bottom and sides of the drawer housing 1 are provided with a plurality of heat dissipation holes 17 to improve the heat dissipation effect.
[0038] In this embodiment, a mounting plate 18 is vertically fixed to the bottom of the inner wall of the drawer housing 1. This arrangement allows for the quicker installation of the circuit breaker on the mounting plate 18.
[0039] In this embodiment, as Figure 4 As shown, the front bottom of the drawer housing 1 is provided with a limiting groove 19 along the sliding direction of the drawer. The limiting groove 19 hangs through the upper and lower surfaces of the bottom of the drawer housing 1. With this arrangement, a positioning post is vertically fixed at the position where the drawer is installed in the electrical cabinet, and the positioning post is inserted into the limiting groove to limit the sliding of the drawer and effectively ensure the straightness of its movement direction.
[0040] The preferred embodiments of this utility model have been described in detail above, but this utility model is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of this utility model, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.
Claims
1. A drawer for an electrical cabinet with an openable end panel, characterized in that, Includes drawer housing, end plate, and locking mechanism; The inner outer end of the drawer housing is provided with input terminals and output terminals; A hinge is provided on one side of the outer end of the drawer housing, and one end of the end plate is hinged to the hinge of the drawer housing. At least two bolts are horizontally provided on the other end of the end plate, and the bolts are vertically distributed on the end plate. The drawer housing has connection holes on the other side of the outer end corresponding to the bolt positions, and the other end of the end plate is detachably fixed to the other side of the outer end of the drawer housing by the bolts. The locking mechanism includes a base, a mounting base, a rotating shaft, a first connecting plate, and a second connecting plate; The base is fixed to the bottom of the inner wall of the drawer housing. The base is provided with a first long groove that penetrates the upper and lower surfaces of the base. The bottom of the drawer housing is provided with a second long groove that penetrates the upper and lower surfaces of the bottom of the drawer housing, directly opposite the first long groove. The mounting base is fixed to the bottom of the inner wall of the drawer housing and is located between the end plate and the base; The rotating shaft is horizontally rotatably mounted on the mounting base and is positioned along the sliding direction of the drawer housing; The upper end of the first connecting plate is rotatably connected to the edge of one inner end of the rotating shaft, and the lower end of the first connecting plate is hinged to the second connecting plate. The second connecting plate passes through the first long slot and the second long slot; A handle is provided on the end plate opposite the pivot, and the outer end of the pivot is inserted into the inner side of the handle.
2. The drawer for an appliance cabinet with an openable end panel according to claim 1, characterized in that, The number of bolts is two.
3. The drawer for an appliance cabinet with an openable end panel according to claim 1, characterized in that, The bottom and sides of the drawer housing are evenly provided with several heat dissipation holes.
4. A drawer for an appliance cabinet with an openable end panel according to claim 1, characterized in that, A mounting plate is vertically fixed to the bottom of the inner wall of the drawer housing.
5. A drawer for an appliance cabinet with an openable end panel according to any one of claims 1 to 4, characterized in that, The front bottom of the drawer housing is provided with a limiting groove along the sliding direction of the drawer, and the limiting groove passes through the upper and lower surfaces of the bottom of the drawer housing.