Distribution box convenient for internal maintenance

By designing articulated shafts and fixing devices in the distribution box to unfold the distribution box, expose the mounting plate, and provide lighting through the lighting device, the problem of small space and inconvenient maintenance of the distribution box is solved, and a convenient maintenance process is achieved and Improve maintenance safety.

CN222441108UActive Publication Date: 2025-02-07CHONGQING WANGLIN IND CO LTD
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Patent Information

Application Number
CN202420755576.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-02-07
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

During maintenance, the existing distribution box is not convenient for moving the installation board for maintenance due to the small internal space and the fixed wiring on the installation board, and the wires need to be disconnected for maintenance.

Method used

A distribution box was designed, by setting up installation boards, distribution boxes, box doors, articulated shafts, fixing devices, lighting devices and limiting devices, the distribution box is deployed along the articulated shaft and the fixing device, and installed nakedly. The board provides sufficient access space and provides sufficient lighting through lighting devices to improve access safety.

Benefits of technology

It enables the maintenance of the interior of the distribution box to facilitate maintenance when the wires are constantly opened, provides a wide maintenance space and improves maintenance safety, and simplifies the maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of power distribution boxes, and discloses a power distribution box convenient for internal maintenance, which comprises a mounting plate, a power distribution box and a box door, and is characterized in that the side wall of the mounting plate is fixedly connected with a hinge shaft, and the hinge shaft is hinged with the side wall of the power distribution box; through cooperative use of the mounting plate, the distribution box, the box door, the hinge shaft, the fixing device, the lighting device, the limiting device and the like, circuits in the distribution box can be operated by opening the box door at ordinary times, and when the interior of the distribution box needs to be overhauled, due to the fact that the internal space of the distribution box is too narrow, and the circuits are fixed to the mounting plate, maintenance is convenient. At the moment, the fixing device is started to unfold the distribution box along the hinge shaft and expose the mounting plate, the maintenance space is wide, the maintenance is convenient, meanwhile, when the distribution box is unfolded, the lighting device is started to light the mounting plate, the maintenance safety is improved, and the limiting device fixes the unfolded distribution box. And the distribution box does not shake randomly to affect maintenance.
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Description

Technical Field

[0001] The utility model relates to the technical field of distribution boxes, in particular to a distribution box which is convenient for internal maintenance. Background Art

[0002] The distribution box is an important part of the power system, with the characteristics of small size, easy installation, special technical performance, fixed position, unique configuration function, no site restrictions, stable and reliable operation, high space utilization, small footprint and environmental protection. Its working principle is to receive electrical energy from the power source (such as the power grid or generator) through the input terminal, and distribute the electrical energy to various circuits or equipment through the output terminal, while protecting the circuits and equipment to ensure the safe operation of the power system.

[0003] The current patent number CN209088336U discloses a distribution box that is easy to maintain and overhaul, including a distribution box body, a threading hole is provided at the bottom of the distribution box body, a hinge is fixedly installed on the left inner wall of the distribution box body, a door panel is fixedly connected to the side of the hinge away from the distribution box body, and an observation port is provided inside the door panel. The distribution box that is easy to maintain and overhaul has two slides provided inside the distribution box body, and the mounting plate is movably connected to the two slides through pulleys provided on both sides, so that the mounting plate and the distribution box body can be movably installed, and a handle is provided on the top of the mounting plate, so that the staff can pull the mounting plate out of the distribution box body through the handle for maintenance and overhaul, thereby avoiding the inconvenience of maintenance operations due to the small space inside the distribution box body, thereby achieving the purpose of facilitating maintenance and overhaul.

[0004] But the following problems still exist:

[0005] When the mounting plate is pulled out of the distribution box, in order to avoid insufficient length of the wires, the wires on the mounting plate need to be disconnected from the wires at the threading holes before the mounting plate can be pulled out of the distribution box, which has certain limitations.

[0006] Therefore, we propose a distribution box which is convenient for internal maintenance to solve the above problems. Utility Model Content

[0007] The utility model aims to provide a distribution box which is convenient for internal maintenance. The inside of the distribution box can be inspected by opening the distribution box without the situation of narrow space and insufficient light, thus facilitating maintenance.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A distribution box which is convenient for internal maintenance comprises a mounting plate, a distribution box and a box door, wherein a side wall of the mounting plate is fixedly connected with a hinge shaft, and the hinge shaft is hinged to the side wall of the distribution box, a fixing device is provided on the other side wall of the distribution box, and a lighting device is provided on the bottom surface of the mounting plate located on one side of the box door, and a limit device is provided above the hinge shaft.

[0010] Preferably, the fixing device includes a fixed shaft fixedly connected to the side wall of the mounting plate, and the side wall of the fixed shaft is hinged with a fixing plate, a groove is provided on the side wall of the distribution box on one side of the fixing plate, and the side wall of the groove is slidably connected to the side wall of the fixing plate, a fixing groove is provided on the side wall of the groove, and a cross fixing rod is rotatably connected to the inner wall of the fixing plate on one side of the fixing groove, and the side wall of the cross fixing rod is abutted against the side wall of the fixing groove.

[0011] Preferably, the lighting device includes a battery compartment fixedly connected to the bottom surface of the mounting plate, and a lighting compartment is connected to one side of the battery compartment, a lighting strip is arranged inside the lighting compartment, and a dustproof glass is arranged above the lighting strip, a battery holder is fixedly connected to the side wall of the battery compartment, and a positive iron sheet is fixedly connected to the side wall of the battery holder, a power battery is arranged on one side of the positive iron sheet, and the side wall of the positive iron sheet abuts against the positive electrode of the power battery, the positive iron sheet is connected to the positive wire of the lighting strip, and a U-shaped slide groove is provided below the battery holder, and the side wall of the U-shaped slide groove is interactively connected to the U-shaped slider, and the U One side of the U-shaped slider penetrates the side wall of the battery compartment and is slidably connected to the side wall of the battery compartment, the inner wall of the U-shaped slider is fixedly connected with a negative iron sheet, and the negative iron sheet is connected to the negative wire of the lighting strip, a connecting spring groove is provided on the side wall of the U-shaped slide groove on one side of the negative iron sheet, and a connecting spring is fixedly connected to the side wall of the connecting spring groove, the other end of the connecting spring is fixedly connected to the side wall of the U-shaped slider, and the side wall of the battery compartment is slidably connected to a battery cover, and the side wall of the distribution box on one side of the battery compartment is fixedly connected with a switch block, and the side wall of the switch block is abutted against the side wall of the U-shaped slider.

[0012] Preferably, the limiting device includes a limiting hole opened on the upper surface of the distribution box, and the limiting hole is kept at the same level as the hinge shaft, the top surface of the hinge shaft is fixedly connected to the limiting spring bin, and a limiting spring groove is opened inside the limiting spring bin, a cross limiting block is provided above the limiting spring groove, and one end of the cross limiting block passes through the side wall of the limiting spring groove and is slidably connected to the side wall of the limiting spring groove, and a limiting spring is provided on the side wall of the cross limiting block located inside the limiting spring groove.

[0013] Preferably, the side wall of the cross limit block located on one side of the distribution box is an inclined surface.

[0014] Preferably, a fixing magnet is fixedly connected to the side wall of the fixing groove.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model cooperates with the arrangement of the mounting plate, the distribution box, the box door, the hinge axis, the fixing device, the lighting device and the limiting device, and the like. Normally, the circuit in the distribution box can be operated by opening the box door. When the interior of the distribution box needs to be inspected, it is inconvenient to move the mounting plate for inspection because the internal space of the distribution box is too narrow and the circuits are fixed on the mounting plate. At this time, the fixing device can be opened to unfold the distribution box along the hinge axis to expose the mounting plate, so that the inspection space is wide and the inspection is convenient. At the same time, when the distribution box is unfolded, the lighting device will be turned on to illuminate the mounting plate to improve the safety of inspection, and the limiting device will fix the unfolded distribution box to prevent the distribution box from shaking at will and affecting the inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a distribution box that is convenient for internal maintenance proposed by the utility model;

[0018] Figure 2 This is a right side structural schematic diagram of a distribution box that is convenient for internal maintenance proposed by the utility model;

[0019] Figure 3 This is a right side cross-sectional structural schematic diagram of a distribution box that is convenient for internal maintenance proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the left side cross-sectional structure of a distribution box that is convenient for internal maintenance proposed by the utility model;

[0021] Figure 5 for Figure 4 The enlarged structural diagram at A in the middle;

[0022] Figure 6 This is a schematic diagram of a top-view cross-sectional structure of a distribution box that is convenient for internal maintenance proposed by the utility model;

[0023] Figure 7 for Figure 6 Schematic diagram of the enlarged structure at point B.

[0024] In the figure: 1. distribution box; 2. mounting plate; 3. box door; 4. hinge axis; 5. fixed axis; 6. groove; 7. fixing plate; 8. cross fixing rod; 9. fixing groove; 10. battery compartment; 11. lighting compartment; 12. lighting light strip; 13. dustproof glass; 14. battery holder; 15. positive iron sheet; 16. power battery; 17. U-shaped slide groove; 18. U-shaped slider; 19. negative iron sheet; 20. connecting spring groove; 21. connecting spring; 22. battery cover; 23. switch block; 24. limit hole; 25. limit spring compartment; 26. limit spring groove; 27. cross limit block; 28. limit spring; 29. ​​fixed magnet. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-7 A distribution box which is convenient for internal maintenance comprises a mounting plate 2, a distribution box 1 and a box door 3. The side wall of the mounting plate 2 is fixedly connected with a hinge shaft 4, and the hinge shaft 4 is hinged to the side wall of the distribution box 1. A fixing device is provided on the other side wall of the distribution box 1, and a lighting device is provided on the bottom surface of the mounting plate 2 located on one side of the box door 3, and a limit device is provided above the hinge shaft 4.

[0027] It can be seen from the above structure that; by setting the mounting plate 2, distribution box 1, box door 3, hinge shaft 4, fixing device, lighting device and limit device for coordinated use, the circuit in the distribution box 1 can be operated by opening the box door 3 at ordinary times. When the interior of the distribution box 1 needs to be inspected, since the internal space of the distribution box 1 is too narrow and the circuit is fixed on the mounting plate 2, it is inconvenient to move the mounting plate 2 for inspection. At this time, the fixing device can be opened to unfold the distribution box 1 along the hinge shaft 4 to expose the mounting plate 2. The inspection space is wide and the inspection is convenient. At the same time, when the distribution box 1 is unfolded, the lighting device will turn on to illuminate the mounting plate 2 to improve the safety of inspection, and the limit device will fix the unfolded distribution box 1 so that the distribution box 1 will not shake at will and affect the inspection.

[0028] Furthermore, the fixing device includes a fixing shaft 5 fixedly connected to the side wall of the mounting plate 2, and the side wall of the fixing shaft 5 is hinged with a fixing plate 7, a groove 6 is provided on the side wall of the distribution box 1 located on one side of the fixing plate 7, and the side wall of the groove 6 is slidably connected to the side wall of the fixing plate 7, a fixing groove 9 is provided on the side wall of the groove 6, and a cross fixing rod 8 is rotatably connected to the inner wall of the fixing plate 7 located on one side of the fixing groove 9, and the side wall of the cross fixing rod 8 is against the side wall of the fixing groove 9; by setting the fixing shaft 5, the fixing plate 7, the groove 6, the fixing groove 9 and the cross fixing rod 8 for use together, when the distribution box 1 is equipped with When the side wall of the electrical box 1 abuts against the mounting plate 2, pull the cross fixing rod 8 to slide the fixing plate 7 into the groove 6, and then rotate the cross fixing rod 8 so that the cross fixing rod 8 slides into the fixing groove 9 to fix the distribution box 1. When the distribution box 1 needs to be unfolded, rotate the cross fixing rod 8 in the opposite direction to abut the side wall of the cross fixing rod 8 against the fixing plate 7, and then pull the cross fixing rod 8 to drive the fixing plate 7 out of the groove 6, so that the distribution box 1 can be unfolded and the mounting plate 2 is exposed, providing sufficient maintenance space without disconnecting the circuit on the mounting plate 2, which is convenient and quick.

[0029] Furthermore, the lighting device includes a battery compartment 10 fixedly connected to the bottom surface of the mounting plate 2, and a lighting compartment 11 is connected to one side of the battery compartment 10, a lighting strip 12 is arranged inside the lighting compartment 11, and a dustproof glass 13 is arranged above the lighting strip 12, a battery holder 14 is fixedly connected to the side wall of the battery compartment 10, and a positive iron sheet 15 is fixedly connected to the side wall of the battery holder 14, a power battery 16 is arranged on one side of the positive iron sheet 15, and the side wall of the positive iron sheet 15 is against the positive electrode of the power battery 16, the positive iron sheet 15 is connected to the positive wire of the lighting strip 12, and a battery holder 14 is provided below. A U-shaped slide 17 is provided, and the side wall of the U-shaped slide 17 is interactively connected to a U-shaped slider 18, and one side of the U-shaped slider 18 passes through the side wall of the battery compartment 10 and is slidably connected to the side wall of the battery compartment 10, and the inner wall of the U-shaped slider 18 is fixedly connected to a negative iron sheet 19, and the negative iron sheet 19 is connected to the negative wire of the lighting strip 12, and a connecting spring groove 20 is provided on the side wall of the U-shaped slide 17 located on one side of the negative iron sheet 19, and a connecting spring 21 is fixedly connected to the side wall of the connecting spring groove 20, and the other end of the connecting spring 21 is fixedly connected to the side wall of the U-shaped slider 18, and the side wall of the battery compartment 10 slides. A battery cover 22 is connected, and a switch block 23 is fixedly connected to the side wall of the distribution box 1 located on one side of the battery compartment 10, and the side wall of the switch block 23 is against the side wall of the U-shaped slider 18; by setting the battery compartment 10, the lighting compartment 11, the lighting light bar 12, the dustproof glass 13, the battery seat 14, the positive iron sheet 15, the power battery 16, the U-shaped slide 17, the U-shaped slider 18, the negative iron sheet 19, the connecting spring groove 20, the connecting spring 21, the battery cover 22 and the switch block 23, when the distribution box 1 is unfolded for maintenance, the unfolded distribution box 1 will drive the switch block 23 to disengage from the U-shaped slide Block 18, at this time, the connecting spring 21 will push the U-shaped slider 18, so that the negative iron sheet 19 fixedly connected to the inner wall of the U-shaped slider 18 is against the negative electrode of the power battery 16, and then the lighting strip 12 is turned on to illuminate the mounting plate 2, and the sufficient lighting field is used to facilitate maintenance and improve maintenance safety. When the maintenance is completed, when the distribution box 1 is closed, the closed distribution box 1 will drive the switch block 23 to be against the U-shaped slider 18, and then push the U-shaped slider 18 to squeeze the connecting spring 21, driving the negative iron sheet 19 to separate from the negative electrode of the power battery 16, and then turn off the lighting strip 12, which is simple and convenient.

[0030] Furthermore, the limiting device includes a limiting hole 24 opened on the upper surface of the distribution box 1, and the limiting hole 24 is kept at the same level as the hinge shaft 4, the top surface of the hinge shaft 4 is fixedly connected to the limiting spring bin 25, and the limiting spring slot 26 is opened inside the limiting spring bin 25, and a cross limiting block 27 is arranged above the limiting spring slot 26, and one end of the cross limiting block 27 passes through the side wall of the limiting spring slot 26 and is slidably connected to the side wall of the limiting spring slot 26, and the side wall of the cross limiting block 27 located inside the limiting spring slot 26 is sleeved with a limiting spring 28; by setting the limiting hole 24, the hinge shaft 4, and the limiting spring bin 25, the limit spring slot 26, the cross limit block 27 and the limit spring 28 are used in combination. When the unfolded distribution box 1 is kept at the same level as the mounting plate 2, the limit hole 24 will be below the cross limit block 27. At this time, the cross limit block 27 will be slidably connected with the limit hole 24, and the cross limit block 27 is fixed by the limit spring 28, thereby fixing the distribution box 1 to prevent the distribution box 1 unfolded along the hinge axis 4 from rotating along the hinge when the circuit is repaired, thereby affecting the maintenance. After the maintenance is completed, pull the cross limit block 27 to disengage the cross limit block 27 from the limit hole 24, and then the distribution box 1 can be rotated and closed.

[0031] Furthermore, the side wall of the cross limit block 27 located on one side of the distribution box 1 is an inclined surface; the design of the inclined surface allows the side wall of the distribution box 1 to slide along the inclined surface of the cross limit block 27 when the distribution box 1 is unfolded, pushing the cross limit block 27 to automatically rise, and when the cross limit block 27 is kept vertical to the limit hole 24, the limit spring 28 will push the cross limit block 27 to automatically descend and slide and connect with the limit hole 24, thereby fixing the distribution box 1, which is convenient and quick.

[0032] Furthermore, the side wall of the fixing groove 9 is fixedly connected with a fixing magnet 29; by setting the fixing magnet 29, when the cross fixing rod 8 slides into the fixing groove 9, the fixing magnet 29 will adsorb the side wall of the cross fixing rod 8, thereby fixing the cross fixing rod 8, preventing the cross fixing rod 8 from shaking and sliding out of the fixing groove 9, and thus failing to fix the distribution box 1, thereby improving safety of use.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A distribution box for easy internal maintenance, comprising a mounting plate (2), a distribution box (1) and a box door (3), characterized in that: The side wall of the mounting plate (2) is fixedly connected to a hinge shaft (4), and the hinge shaft (4) is hinged to the side wall of the distribution box (1), the other side wall of the distribution box (1) is provided with a fixing device, and the bottom surface of the mounting plate (2) located on the side of the box door (3) is provided with a lighting device, and a limit device is provided above the hinge shaft (4).

2. A distribution box convenient for internal maintenance according to claim 1, characterized in that: The fixing device comprises a fixing shaft (5) fixedly connected to the side wall of the mounting plate (2), and the side wall of the fixing shaft (5) is hingedly connected to a fixing plate (7), a groove (6) is provided on the side wall of the distribution box (1) located on one side of the fixing plate (7), and the side wall of the groove (6) is slidably connected to the side wall of the fixing plate (7), a fixing groove (9) is provided on the side wall of the groove (6), and a cross fixing rod (8) is rotatably connected to the inner wall of the fixing plate (7) located on one side of the fixing groove (9), and the side wall of the cross fixing rod (8) abuts against the side wall of the fixing groove (9).

3. A distribution box convenient for internal maintenance according to claim 1 or 2, characterized in that: The lighting device comprises a battery compartment (10) fixedly connected to the bottom surface of the mounting plate (2), and a lighting compartment (11) is connected to one side of the battery compartment (10), a lighting strip (12) is arranged inside the lighting compartment (11), and a dustproof glass (13) is arranged above the lighting strip (12), a battery holder (14) is fixedly connected to the side wall of the battery compartment (10), and a positive iron sheet (15) is fixedly connected to the side wall of the battery holder (14), a power battery (16) is arranged on one side of the positive iron sheet (15), and the side wall of the positive iron sheet (15) abuts against the positive electrode of the power battery (16), the positive iron sheet (15) is connected to the positive wire of the lighting strip (12), and a U-shaped slide groove (17) is provided below the battery holder (14), and the side wall of the U-shaped slide groove (17) is interactively connected to a U-shaped slider (18), One side of the U-shaped slider (18) penetrates the side wall of the battery compartment (10) and is slidably connected to the side wall of the battery compartment (10); the inner wall of the U-shaped slider (18) is fixedly connected to a negative iron sheet (19), and the negative iron sheet (19) is connected to the negative wire of the lighting light bar (12); a connecting spring groove (20) is provided on the side wall of the U-shaped slide groove (17) located on one side of the negative iron sheet (19); a connecting spring (21) is fixedly connected to the side wall of the connecting spring groove (20); the other end of the connecting spring (21) is fixedly connected to the side wall of the U-shaped slider (18); the side wall of the battery compartment (10) is slidably connected to a battery cover (22); a switch block (23) is fixedly connected to the side wall of the distribution box (1) located on one side of the battery compartment (10); and the side wall of the switch block (23) abuts against the side wall of the U-shaped slider (18).

4. A distribution box convenient for internal maintenance according to claim 1 or 2, characterized in that: The limiting device comprises a limiting hole (24) provided on the upper surface of the distribution box (1), and the limiting hole (24) and the hinge shaft (4) are kept at the same level, the top surface of the hinge shaft (4) is fixedly connected to a limiting spring bin (25), and a limiting spring groove (26) is provided inside the limiting spring bin (25), a cross limiting block (27) is provided above the limiting spring groove (26), and one end of the cross limiting block (27) passes through the side wall of the limiting spring groove (26) and is slidably connected to the side wall of the limiting spring groove (26), and a limiting spring (28) is sleeved on the side wall of the cross limiting block (27) located inside the limiting spring groove (26).

5. A distribution box convenient for internal maintenance according to claim 3, characterized in that: The limiting device comprises a limiting hole (24) provided on the upper surface of the distribution box (1), and the limiting hole (24) and the hinge shaft (4) are kept at the same level, the top surface of the hinge shaft (4) is fixedly connected to a limiting spring bin (25), and a limiting spring groove (26) is provided inside the limiting spring bin (25), a cross limiting block (27) is provided above the limiting spring groove (26), and one end of the cross limiting block (27) passes through the side wall of the limiting spring groove (26) and is slidably connected to the side wall of the limiting spring groove (26), and a limiting spring (28) is sleeved on the side wall of the cross limiting block (27) located inside the limiting spring groove (26).

6. A distribution box for easy internal maintenance according to claim 1, 2 or 5, characterized in that: The side wall of the cross limit block (27) located on one side of the distribution box (1) is an inclined surface.

7. A distribution box convenient for internal maintenance according to claim 3, characterized in that: The side wall of the cross limit block (27) located on one side of the distribution box (1) is an inclined surface.

8. A distribution box convenient for internal maintenance according to claim 4, characterized in that: The side wall of the cross limit block (27) located on one side of the distribution box (1) is an inclined surface.

9. A distribution box convenient for internal maintenance according to claim 2, characterized in that: A fixed magnet (29) is fixedly connected to the side wall of the fixed groove (9).

Citation Information

Patent Citations

  • Distribution box convenient to maintain and overhaul

    CN209088336U