Modularized power distribution cabinet convenient to maintain and overhaul

The modular design of the slide rail and slider structure solves the safety hazards of maintenance in the confined space of the distribution cabinet, achieving convenient maintenance and improving safety and efficiency.

CN224021272UActive Publication Date: 2026-03-20SHENZHEN AOTONG AUTOMATION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

During the overhaul of existing power distribution cabinets, maintenance engineers have to operate in a confined space, resulting in numerous safety hazards, low work efficiency, and poor safety.

Method used

Design a modular power distribution cabinet. Through a slide rail and slider structure, the mounting bracket can slide to the outside of the power distribution cabinet under the action of elastic elements, providing sufficient operating space. The mounting bracket can be manually slid out for maintenance and is equipped with a buffer structure for protection.

Benefits of technology

It improves the safety and efficiency of maintenance, reduces the possibility of accidents, and enhances operational flexibility and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a power distribution cabinet, in particular to a modular power distribution cabinet convenient to maintain and overhaul. A modular power distribution cabinet convenient to maintain and overhaul comprises a power distribution cabinet body, a cabinet door, sliding rails and sliding blocks, the cabinet door is rotationally arranged on one side of the power distribution cabinet body, the sliding rails are symmetrically arranged on the two sides of the inner wall of the power distribution cabinet body, and the sliding blocks are arranged on the symmetrical sliding rails. A worker opens the cabinet door, the cabinet door does not apply pressure to the mounting frame through the top plate any more, the mounting frame is pushed under the elastic force effect of the first elastic piece and slides to the foremost side of the power distribution cabinet along the sliding block, and therefore the worker can conveniently overhaul the power distribution cabinet; when the power distribution cabinet needs to be maintained, a worker can manually pull the mounting frame, and the mounting frame slides outwards to the outer side of the power distribution cabinet along the sliding rails through the sliding rails again, so that the worker has enough space for operation during maintenance operation, the difficulty of maintenance operation is reduced, and the safety of maintenance is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a power distribution cabinet, especially a modular power distribution cabinet convenient for maintenance. BACKGROUND

[0002] The power distribution cabinet is an important device for distributing electric energy in the power system, which not only transmits electric energy from the upper level of the power distribution device, such as the substation, to the lower level of the small power distribution device or directly connects to the end user, but also provides basic protection, monitoring and control functions for the circuit. According to different application scenarios and technical requirements, the power distribution cabinet can be divided into various types, such as fixed type, drawer type, protective type, etc.

[0003] In the current power distribution cabinet maintenance process, maintenance engineers often have to work in a limited operating space. The characteristics of such an environment are cramped space, which not only puts higher requirements on the professional skills of technicians, but also greatly limits their freedom of action, thereby affecting work efficiency. More importantly, the working conditions in a small space may bring a series of safety hazards, including but not limited to collision caused by physical obstacles, air quality problems caused by poor ventilation, and poor evacuation path in emergency situations, etc. These factors together make the safety and comfort of the maintenance process greatly discounted and increase the likelihood of accidents. SUMMARY

[0004] In order to overcome the shortcomings that in the current power distribution cabinet maintenance operation, maintenance engineers often have to operate in a limited space, the small space brings a variety of safety hazards such as collision risk, poor air quality and difficulty in emergency evacuation, thereby reducing the safety and comfort of work and increasing the accident rate, the utility model provides a modular power distribution cabinet convenient for maintenance and maintenance which can extract the internal components.

[0005] The technical scheme is: a modular power distribution cabinet convenient for maintenance, comprising a power distribution cabinet, a cabinet door, a mounting bracket, a circuit breaker, a slide rail and a slide block, the cabinet door is rotatably arranged on one side of the power distribution cabinet, a plurality of slide rails are symmetrically arranged on the inner wall of the power distribution cabinet, a slide block is arranged on each symmetrical slide rail, a mounting bracket is connected to each slide block, and a circuit breaker is arranged on the mounting bracket.

[0006] Further, it further comprises a guide rod, a sliding plate, a first elastic member and a top plate, a plurality of guide rods are symmetrically arranged on the side of the power distribution cabinet away from the cabinet door, a sliding plate is slidably arranged on each symmetrical guide rod, a first elastic member is arranged between the sliding plate and the interior of the power distribution cabinet, and a top plate is symmetrically arranged on the side of the mounting bracket where the circuit breaker is arranged.

[0007] Further, the second elastic member and the buffer plate are further included, and the second elastic member is arranged at the end of each slide rail towards the cabinet door, and the buffer plate is arranged at the end of the second elastic member away from the cabinet door.

[0008] Further, the top rod, the fixing frame, the wedge-shaped block, the slide rod and the third elastic member are further included, the top rod is slidably arranged at the bottom of the mounting frame, a plurality of clamping holes are formed in the side of the top rod towards the cabinet door, the fixing frame is arranged at the side of the mounting frame towards the cabinet door, the slide rod is slidably arranged at the fixing frame, the wedge-shaped block is arranged at the end of the slide rod towards the mounting frame, and the wedge-shaped block slidably penetrates the mounting frame and is clamped with the clamping hole formed in the side of the top rod, and the third elastic member is arranged between the wedge-shaped block and the fixing frame.

[0009] Further, the protective plate is further included, and the protective plate is arranged at the side of the mounting frame where the circuit breaker is arranged, and the protective plate surrounds and protects the circuit breaker.

[0010] Further, the anti-skid pad is further included, and the anti-skid pad is arranged at the bottom of the top rod.

[0011] Compared with the prior art, the cabinet door no longer exerts pressure on the mounting frame through the top plate when the cabinet door is opened by the staff, the mounting frame is pushed and slides along the sliding block to the front side of the power distribution cabinet under the elastic force of the first elastic member, so that the staff can conveniently perform maintenance work on the power distribution cabinet, when the internal components need to be replaced, the staff can manually pull the mounting frame, and the mounting frame is again slid along the slide rail to the outside of the power distribution cabinet, so that the staff has enough space to operate when performing maintenance work, the difficulty of maintenance work is reduced, and the safety of maintenance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0013] Figure 1 It is a three-dimensional structure schematic diagram of the present application.

[0014] Figure 2 It is a three-dimensional structure schematic diagram of the parts of the present application.

[0015] Figure 3 It is a three-dimensional structure sectional view of the power distribution cabinet of the present application.

[0016] Figure 4 It is a three-dimensional structure schematic diagram of the top rod, the fixing frame and the wedge-shaped block of the present application.

[0017] Figure 5 For Figure 4 Enlarged view at A in the middle.

[0018] Figure 6 It is the three-dimensional structure schematic diagram of the utility model slide rail, buffer board and second elastic piece.

[0019] Mark explanation: 1: switch board, 2: cabinet door, 3: mounting bracket, 301: circuit breaker, 4: slide rail, 5: sliding block, 6: guide rod, 7: sliding plate, 8: first elastic piece, 9: top plate, 10: buffer board, 11: second elastic piece, 12: top rod, 13: fixed frame, 14: wedge block, 15: slide rod, 16: third elastic piece, 17: protective plate, 18: non-slip pad. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model more clearly understood, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0021] Therefore, one feature indicated in the specification will be used to explain one feature of one embodiment of the utility model, and not imply that each embodiment of the utility model must have the explained feature. In addition, it should be noted that the specification describes many features. Although certain features can be combined together to show possible system design, these features can also be used in other combinations that are not explicitly explained. Therefore, unless otherwise stated, the explained combination is not intended to be limited.

[0022] In the description of the present application, the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and not to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as limiting the present application.

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of the known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0025] Embodiment: A modular power distribution cabinet convenient for maintenance and overhaul, like Figures 1-6As shown, including the power distribution cabinet 1, cabinet door 2, mounting bracket 3, circuit breaker 301, slide rail 4, slide block 5, guide rod 6, sliding plate 7, first elastic element 8, top plate 9, buffer plate 10, second elastic element 11, top rod 12, fixed frame 13, wedge block 14, slide rod 15, third elastic element 16, protective plate 17 and non-slip mat 18, the front side of the power distribution cabinet 1 is rotatably provided with the cabinet door 2, and the inner wall of the power distribution cabinet 1 is symmetrically provided with six slide rails 4, three of which are a group, wherein the left and right sides of the inner wall of the power distribution cabinet 1 are provided with a group of symmetric slide rails 4, and the symmetric slide rails 4 are provided with the slide block 5, and each slide block 5 is connected with the mounting bracket 3, the mounting bracket 3 is N-shaped, and the N-shaped top is towards the cabinet door 2, and the lowest end is connected with the slide block 5, so that when the slide rail 4 slides to the front end of the slide rail 4, the mounting bracket 3 can protrude outward and exceed the slide rail 4, and the mounting bracket 3 is provided with the circuit breaker 301, the rear side of the inner wall of the power distribution cabinet 1 is symmetrically provided with six guide rods 6, and each guide rod 6 is arranged at the last end of each slide rail 4, and the symmetric guide rods 6 are symmetrically provided with the sliding plate 7, and the first elastic element 8 is arranged between the sliding plate 7 and the inner wall of the power distribution cabinet 1, the first elastic element 8 is a metal spring, and it is sleeved on the guide rod 6, the top plate 9 is symmetrically arranged on the front side of the mounting bracket 3, the second elastic element 11 is arranged at the front end of each slide rail 4, the second elastic element 11 is a metal spring or a metal spring piece, the second elastic element 11 is provided with the buffer plate 10 at the rear end, and the buffer plate 10 is made of plastic material, the top rod 12 is slidably arranged on the middle of the lower side of the mounting bracket 3, the top rod 12 is provided with not less than fifteen clamping holes on the front side, the fixed frame 13 is arranged on the bottom front side of the mounting bracket 3, the slide rod 15 is slidably arranged on the fixed frame 13, the wedge block 14 with the same shape as the clamping hole on the front side of the top rod 12 is arranged at the rear end of the slide rod 15, the inclined surface of the wedge block 14 is upward and the horizontal surface is downward, so that the top rod 12 can be prevented from retracting backward when supporting the mounting bracket 3, and the wedge block 14 slidably penetrates the mounting bracket 3 and is clamped with the clamping hole on the front side of the top rod 12, the third elastic element 16 is arranged between the wedge block 14 and the fixed frame 13, the third elastic element 16 is a spring, and it is sleeved on the slide rod 15, one side of the mounting bracket 3 provided with the circuit breaker 301 is provided with the protective plate 17, and the protective plate 17 surrounds and protects the circuit breaker 301, and the non-slip mat 18 is arranged at the bottom of the top rod 12.

[0026] When the power distribution cabinet 1 fails, first, the staff rotates the cabinet door 2 on the front side of the power distribution cabinet 1 counterclockwise along the power distribution cabinet 1 to open, at this time, the cabinet door 2 no longer exerts pressure on the first elastic piece 8 through the top plate 9, the compression of the first elastic piece 8 is released, at this time, the sliding plate 7 is pushed outwards by the elastic force of the first elastic piece 8 and slides outwards along the guide rod 6, at the same time, the sliding plate 7 pushes the mounting frame 3 and drives the circuit breaker 301 to move forward along the sliding block 5 along the slide rail 4, at this time, the mounting frame 3 drives the circuit breaker 301 to move to the front end of the power distribution cabinet 1, facilitating the staff to carry out maintenance work, when the components inside the power distribution cabinet 1 fail, at this time, the staff pulls the mounting frame 3 and moves it outwards again along the slide rail 4 through the sliding block 5, at this time, the mounting frame 3 is completely slid out of the outside of the power distribution cabinet 1, at the same time, the sliding block 5 extrudes the buffer plate 10, the buffer plate 10 extrudes the second elastic piece 11, reducing the impact force of the mounting frame 3 when sliding outwards, thereby playing a buffering protection role on the circuit breaker 301, at this time, in order to reduce the gravity of the mounting frame 3 suspended outside the power distribution cabinet 1, the slide rod 15 is pulled backwards at this time, the slide rod 15 drives the wedge-shaped block 14 to move backwards along the fixed frame 13, at the same time, the third elastic piece 16 is compressed, at this time, the wedge-shaped block 14 is separated from the clamping hole on the front side of the top rod 12 and is released from the limit, at this time, the top rod 12 slides downwards along the bottom of the mounting frame 3, when the bottom of the top rod 12 is flush with the ground, the slide rod 15 is released, the wedge-shaped block 14 is reset under the elastic force of the third elastic piece 16 and clamped into the clamping hole on the front side of the top rod 12 to limit the top rod 12, in this way, the top rod 12 can support the mounting frame 3 suspended outside the power distribution cabinet 1, preventing the power distribution cabinet 1 from tilting forward as a whole, at the same time, the anti-skid pad 18 can prevent the top rod 12 from tilting during support, and the protective plate 17 can protect the circuit breaker 301.

[0027] The above merely describes the embodiments of the present application and is not intended to limit the present application. Any equivalent replacement made within the principles of the present application shall be included in the protection scope of the present application. The contents not described in detail in the present application are the existing technology known to the technical personnel in the field.

Claims

1. A modular distribution cabinet that is easy to maintain and repair, comprising a distribution cabinet (1) and a cabinet door (2), wherein the cabinet door (2) is rotatably provided on one side of the distribution cabinet (1), characterized in that: It also includes a mounting bracket (3), a circuit breaker (301), a slide rail (4), a slider (5), a guide rod (6), a sliding plate (7), a first elastic element (8), and a top plate (9). Several slide rails (4) are symmetrically arranged on both sides of the inner wall of the distribution cabinet (1). A slider (5) is provided on each of the symmetrical slide rails (4). A mounting bracket (3) is connected to each slider (5). A circuit breaker (301) is provided on the mounting bracket (3). Several guide rods (6) are symmetrically arranged on the side of the distribution cabinet (1) away from the cabinet door (2). A sliding plate (7) is slidably arranged on each of the symmetrical guide rods (6). A first elastic element (8) is provided between the sliding plate (7) and the inside of the distribution cabinet (1). A top plate (9) is symmetrically arranged on the side of the mounting bracket (3) where the circuit breaker (301) is located.

2. A modular distribution cabinet for easy maintenance and repair as described in claim 1, characterized in that: It also includes a buffer plate (10) and a second elastic element (11). Each slide rail (4) is provided with a second elastic element (11) at the end facing the cabinet door (2). The end of the second elastic element (11) away from the cabinet door (2) is provided with a buffer plate (10).

3. A modular distribution cabinet for easy maintenance and repair as described in claim 1, characterized in that: It also includes a top rod (12), a fixing frame (13), a wedge block (14), a sliding rod (15), and a third elastic element (16). The bottom of the mounting frame (3) is slidably provided with the top rod (12). The top rod (12) has several locking holes on the side facing the cabinet door (2). The mounting frame (3) is provided with the fixing frame (13) on the side facing the cabinet door (2). The fixing frame (13) is slidably provided with the sliding rod (15). The end of the sliding rod (15) facing the mounting frame (3) is provided with a wedge block (14). The wedge block (14) slides through the mounting frame (3) and engages with the locking holes on the side of the top rod (12). A third elastic element (16) is provided between the wedge block (14) and the fixing frame (13).

4. A modular distribution cabinet for easy maintenance and repair as described in claim 1, characterized in that: It also includes a protective plate (17), and the mounting bracket (3) is provided with a protective plate (17) on one side of the circuit breaker (301), and the protective plate (17) surrounds and protects the circuit breaker (301).

5. A modular distribution cabinet for easy maintenance and repair according to claim 3, characterized in that: It also includes an anti-slip pad (18), and the bottom of the top rod (12) is provided with an anti-slip pad (18).