Electric shock prevention structure for distribution box

By replacing the metal casing with a non-metallic layer and insulating coating, and equipping it with a transparent isolation cover and isolation plate, the problem of insufficient electric shock protection performance of the distribution box is solved, achieving efficient insulation and convenient maintenance, making it suitable for ordinary household applications.

CN223567100UActive Publication Date: 2025-11-18立阳电气(天津)有限公司
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Patent Information

Application Number
CN202422969929.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-11-18
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

The existing distribution boxes lack effective anti-electric shock components, resulting in a high risk of electric shock accidents.

Method used

It replaces the metal shell with a non-metallic layer and insulating coating, and is equipped with a transparent isolation cover and isolation plate, combined with a snap-fit ​​mechanism to ensure insulation performance and convenient maintenance.

Benefits of technology

The improved insulation performance of the distribution box reduces the risk of electric shock, reduces structural complexity and manufacturing costs, and is easy to maintain, making it suitable for ordinary households.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of distribution boxes, and discloses an anti-electric shock structure for a distribution box, the anti-electric shock structure comprises a prefabricated shell and a clamping mechanism, and the prefabricated shell comprises a non-metal layer and an insulating coating fixedly connected to the outer surface of the non-metal layer. According to the anti-electric shock structure for the distribution box, a metal shell is replaced by the non-metal layer and the insulating coating, so that the device has excellent insulating performance and can bear certain physical impact, and compared with a traditional metal shell, the design reduces the risk of electric shock and avoids the problem that the insulating performance is reduced due to physical damage of the shell; the device is simple in structure and relatively low in cost, the installation plate and the leakage protector can be covered through the transparent isolation cover and the transparent isolation plate, the good anti-electric-shock effect is guaranteed, the overall structural complexity and manufacturing cost of the device are greatly reduced, the transparent isolation plate has the effect of being convenient to disassemble and assemble through the arrangement of the clamping mechanism, and the practicability is high. And the installation plate and the leakage protector in the transparent isolation cover can be conveniently maintained.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of distribution boxes, in particular to an anti-electric shock structure for a distribution box. BACKGROUND

[0002] With the continuous improvement of electrification, distribution boxes are more and more widely used in daily life and industrial production. However, due to the existence of a large number of live parts inside the distribution box, if the protection measures are not in place, it is easy to cause electric shock accidents.

[0003] The existing patent (announcement number: CN221747723U) discloses a moisture-proof distribution box, which belongs to the technical field of distribution boxes. When the air inside the distribution box body is humid, the moisture inside the device is effectively cleaned through the auxiliary air exhaust and ventilation mode, which can avoid the over-humidification of the distribution box body as much as possible. The moisture-proof distribution box comprises a distribution box body, a distribution cavity is formed in the distribution box body, plug-in grooves are symmetrically formed on the two sides of the distribution cavity, a wind guide seat is protrudingly arranged at the top of the distribution cavity, and an air exhaust assembly is installed at the top of the distribution box body. The air exhaust assembly comprises an air exhaust cover, an air exhaust port is arranged on one side of the air exhaust cover, a cavity is formed in the air exhaust cover, an air guide port is horizontally and penetratingly formed in the wind guide seat, an installation cover is slidingly arranged in the cavity of the air exhaust cover, an air exhaust wheel is rotatably arranged in the installation cover, L-shaped sealing plates are symmetrically installed at the bottom of the installation cover, first air exhaust ports are formed in the sealing plates, and an electric push rod is installed at the bottom of the wind guide seat.

[0004] The above-mentioned comparative document does not have a good anti-electric shock component, and the protection measures are not in place, which can easily cause electric shock accidents. In order to further optimize the anti-electric shock performance of the distribution box, an anti-electric shock structure for a distribution box is provided. Practical new type content

[0005] In view of the deficiencies of the prior art, the application provides an anti-electric shock structure for a distribution box, which has good anti-electric shock performance and effectively avoids electric shock accidents.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: an anti-electric shock structure for a distribution box, comprising a prefabricated shell and a clamping mechanism, the prefabricated shell comprises a non-metallic layer and an insulating coating fixedly connected to the outer surface of the non-metallic layer, the inner wall of the non-metallic layer is fixedly connected with a transparent isolation cover, and the front surface of the transparent isolation cover is clamped with a transparent isolation plate through the clamping mechanism.

[0007] The clamping mechanism comprises two guide grooves formed on the front surface of the transparent isolation cover, the inner wall of each guide groove is slidably connected with a limiting rod, the side face of each limiting rod away from the other limiting rod is fixedly connected with a connecting block, the side face of each connecting block close to the other connecting block is fixedly connected with an insulating spring, the side face of the transparent isolation plate close to the transparent isolation cover is fixedly connected with two guide blocks, and the side face of each guide block away from the other guide block is fixedly connected with a limiting groove.

[0008] By the above scheme, a structure for preventing electric shock of a distribution box is provided, which replaces the metal shell with a non-metal layer and an insulating coating, so that the device has excellent insulation performance and can withstand certain physical impact. Compared with the traditional metal shell, the design reduces the risk of electric shock and avoids the problem of reduced insulation performance due to physical damage to the shell. The cost is relatively low. The transparent isolation cover and the transparent isolation plate can cover the mounting plate and the leakage protector, which not only ensures good anti-electric shock effect, but also greatly reduces the overall structural complexity and manufacturing cost of the device. The clamping mechanism allows the transparent isolation plate to be easily disassembled, making it easy to maintain the mounting plate and the leakage protector inside the transparent isolation cover

[0009] Further, the inner wall of the non-metal layer is provided with a mounting plate, and the surface of the mounting plate is provided with uniformly distributed leakage protectors, and the mounting plate and the leakage protectors are located inside the transparent isolation cover.

[0010] By the above scheme, the device can have good anti-electric shock effect.

[0011] Further, the back surface of the prefabricated shell is provided with uniformly distributed wire ports, and the positions of the wire ports correspond to the positions of the leakage protectors.

[0012] By the above scheme, the lines of the leakage protector can extend from the inside of the prefabricated shell to the outside, making it easy to connect the cable to the municipal power supply.

[0013] Further, the two insulating springs are respectively sleeved on the outer sides of the two limiting rods, and the ends of the two insulating springs close to each other are respectively fixedly connected to the two sides of the outer surface of the transparent isolation cover.

[0014] By the above scheme, the position of the limiting rod can be limited, and the limiting rod can be easily limited.

[0015] Further, the outer surface of each connecting block is fixedly connected with a tab, the outer side of each tab is sleeved with a rubber sleeve, and the outer surface of the transparent isolation plate is provided with an arc-shaped groove.

[0016] Through the above scheme, the contact area of the connecting block surface can be increased, the connecting block can be pulled conveniently, and the arc-shaped groove can facilitate the user to take and place the transparent isolation plate.

[0017] Further, the bottom of the prefabricated shell is provided with uniformly distributed ventilation grooves, and the bottom surface of the transparent isolation cover is provided with uniformly distributed air holes.

[0018] Through the above scheme, the heat generated by the work of the internal elements of the prefabricated shell can be avoided, and the heat dissipation effect of the device is guaranteed.

[0019] Further, the two sides of the inner wall of the non-metal layer are provided with temperature sensors and alarms, and the temperature sensors and alarms are connected by electrical signals.

[0020] Through the above scheme, the temperature inside the prefabricated shell can be monitored by setting the temperature sensor and the alarm, and when the temperature sensor detects that the temperature inside the prefabricated shell is abnormal, the signal will be fed back to the alarm, and the alarm will issue a warning, so that the user can quickly master the abnormal situation and take corresponding measures in time.

[0021] Further, the front surface of the prefabricated shell is provided with a transparent protective door, the side surface of the transparent protective door is hingedly provided with a simple lock rod, the side surface of the prefabricated shell is fixedly connected with a simple lock groove corresponding to the simple lock rod, the front surface of the transparent protective door is fixedly connected with a handle, and the four corners of the outer surface of the prefabricated shell are fixedly connected with positioning seats, and the inner wall of each positioning seat is provided with a positioning bolt.

[0022] Through the above scheme, the transparent protective door can be opened without key or complex operation, and has a certain child protection function, so that it is suitable for economic application of ordinary families, and the device can be installed in a position of a house by setting the positioning seat and the positioning bolt.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The anti-electric shock structure for the distribution box replaces the metal shell with the non-metal layer and the insulating coating, so that the device has excellent insulation performance and can withstand certain physical impact. Compared with the traditional metal shell, the design reduces the risk of electric shock and avoids the problem of reduced insulation performance due to physical damage to the shell. The cost is relatively low. The transparent isolation cover and the transparent isolation plate can cover the mounting plate and the leakage protector, which not only ensures good anti-electric shock effect, but also greatly reduces the structural complexity and manufacturing cost of the device as a whole. The transparent isolation plate has the effect of convenient disassembly and assembly through the clamping mechanism, which facilitates the maintenance of the mounting plate and the leakage protector inside the transparent isolation cover. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a whole bottom structure schematic diagram of the structure of the present application;

[0026] Figure 2 is a whole top structure schematic diagram of the structure of the present application;

[0027] Figure 3 is a distribution box internal structure schematic diagram of the structure of the present application;

[0028] Figure 4 is a partial structure schematic diagram of the structure of the present application;

[0029] Figure 5 is a transparent isolation cover structure schematic diagram of the structure of the present application.

[0030] in the figure:

[0031] 1, outer shell; 101, non-metal layer; 102, insulating coating; 2, mounting plate; 3, leakage protector; 4, wire port; 5, transparent isolation cover; 6, transparent isolation plate; 7, clamping mechanism; 701, guide groove; 702, limiting rod; 703, connecting block; 704, insulating spring; 705, guide block; 706, limiting groove; 707, push piece; 708, arc-shaped groove; 8, temperature sensor; 9, alarm; 10, transparent protective door; 11, simple lock rod; 12, simple lock slot; 13, handle; 14, positioning seat; 15, positioning bolt; 16, ventilation groove; 17, air hole. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application.

[0033] Please refer to Figure 1 , Figure 2 and Figure 3The electric shock prevention structure for the distribution box comprises a prefabricated shell 1 and a clamping mechanism 7, the prefabricated shell 1 comprises a nonmetallic layer 101 and an insulating coating 102 fixedly connected to the outer surface of the nonmetallic layer 101, and the nonmetallic layer 101 is preferably high-strength glass fiber reinforced plastic, which has excellent insulation performance and can withstand certain physical impact, and the insulating coating 102 can make the prefabricated shell 1 have the characteristics of waterproofness, moisture resistance, corrosion resistance and wear resistance, the combination of the nonmetallic layer 101 and the insulating coating 102 can reduce the risk of electric shock, avoid the problem of reduced insulation performance caused by physical damage to the shell, and has relatively low cost, so that it is more economical and efficient and suitable for ordinary home environment.

[0034] Please refer to Figure 1 、 Figure 2 and Figure 4 , the inner wall of the nonmetallic layer 101 is fixedly connected with a transparent isolation cover 5, the front surface of the transparent isolation cover 5 is clamped with a transparent isolation plate 6 through the clamping mechanism 7, the inner wall of the nonmetallic layer 101 is provided with a mounting plate 2, and the surface of the mounting plate 2 is provided with evenly distributed leakage protectors 3, the leakage protectors 3 are of existing structure, and the working principle thereof will not be described in detail, and the mounting plate 2 and the leakage protectors 3 are located in the interior of the transparent isolation cover 5, by limiting the positional relationship between the mounting plate 2 and the leakage protectors 3, the device can have good electric shock prevention effect, the back surface of the prefabricated shell 1 is provided with evenly distributed wire ports 4, the positions of the wire ports 4 correspond to the positions of the leakage protectors 3, and by providing the wire ports 4, the lines of the leakage protectors 3 can extend from the interior of the prefabricated shell 1 to the outside, so that the cable can be conveniently connected with the municipal power supply.

[0035] It should be noted that the transparent isolation cover 5 and the transparent isolation plate 6 can cover the mounting plate 2 and the leakage protectors 3 in the interior thereof, and the transparent isolation cover 5 and the transparent isolation plate 6 can be made of high-temperature-resistant and flame-retardant transparent materials, so that the user can observe the internal circuit without direct contact, which not only ensures good electric shock prevention effect, but also greatly reduces the structural complexity and manufacturing cost of the distribution box as a whole.

[0036] Please refer to Figure 3 、 Figure 4 and Figure 5The clamping mechanism 7 comprises two guide grooves 701 formed on the front surface of the transparent isolation cover 5, the inner wall of each guide groove 701 is slidably connected with a limiting rod 702, the side face of each limiting rod 702 away from the other limiting rod 702 is fixedly connected with a connecting block 703, the side face of each connecting block 703 close to the other connecting block 703 is fixedly connected with an insulating spring 704, the side face of the transparent isolation plate 6 close to the transparent isolation cover 5 is fixedly connected with two guide blocks 705, the side face of each guide block 705 away from the other guide block 705 is fixedly connected with a limiting groove 706, the two insulating springs 704 are respectively sleeved on the outer part of the two limiting rods 702, the end of each insulating spring 704 close to the other insulating spring 704 is fixedly connected to the two sides of the outer surface of the transparent isolation cover 5, the position of the limiting rod 702 is limited by limiting the position and connecting relationship of the insulating spring 704, so that the limiting rod 702 can limit the guide block 705, the outer surface of each connecting block 703 is fixedly connected with a push piece 707, the outer part of each push piece 707 is sleeved with a rubber sleeve, the outer surface of the transparent isolation plate 6 is formed with an arc-shaped recess 708, the contact area of the connecting block 703 can be increased by arranging the push piece 707, so that the connecting block 703 can be pulled conveniently, and the transparent isolation plate 6 can be taken and placed conveniently by arranging the arc-shaped recess 708.

[0037] It should be noted that all components inside the clamping mechanism 7 are made of insulating materials, the insulating spring 704 can be a plastic spring, a composite material spring or a ceramic spring, which can be selected according to actual use, the size value of the guide groove 701 corresponds to the size value of the guide block 705, the size value of the limiting rod 702 corresponds to the size value of the limiting groove 706, and the front end of the guide block 705 and the limiting rod 702 is passivated, so that the guide block 705 can smoothly extrude the limiting rod 702 out of the guide groove 701 after being inserted into the guide groove 701.

[0038] Please refer to Figure 1 , Figure 2 and Figure 3 , the front surface of the prefabricated shell 1 is provided with a transparent protective door 10, the side surface of the transparent protective door 10 is hingedly connected with a simple lock rod 11, the side surface of the prefabricated shell 1 is fixedly connected with a simple lock groove 12 corresponding to the simple lock rod 11, the front surface of the transparent protective door 10 is fixedly connected with a handle 13, the outer surface of the prefabricated shell 1 is fixedly connected with a positioning seat 14 at each corner, and the inner wall of each positioning seat 14 is provided with a positioning bolt 15, the transparent protective door 10 can be opened without key or complex operation through the cooperation of the simple lock rod 11, the simple lock groove 12 and the handle 13, and the device also has a certain child protection function, so that it is suitable for economic application of ordinary families, and the device can be installed at a position in a house through the positioning seat 14 and the positioning bolt 15.

[0039] Please refer to Figure 1、 Figure 3 And Figure 5 The bottom of the prefabricated shell 1 is provided with uniformly distributed ventilation grooves 16, and the bottom surface of the transparent isolation cover 5 is provided with uniformly distributed air holes 17. The heat generated by the internal elements of the prefabricated shell 1 can be avoided by the ventilation grooves 16 and the air holes 17, so as to ensure the heat dissipation effect of the device. The temperature sensor 8 and the alarm 9 are installed on both sides of the inner wall of the non-metal layer 101. The temperature sensor 8 and the alarm 9 are connected through electrical signals. The temperature sensor 8 and the alarm 9 can monitor the temperature inside the prefabricated shell 1. When the temperature sensor 8 detects that the temperature inside the prefabricated shell 1 is abnormal, the signal will be fed back to the alarm 9. The alarm 9 sends an early warning, so that the user can quickly master the abnormal situation and make corresponding treatment in time.

[0040] In the embodiment, a new electric shock prevention structure design of the distribution box is adopted. The non-metal material and the insulating coating replace the traditional metal shell, which not only improves the insulation performance of the device, but also can withstand certain physical impact. Compared with the traditional metal shell design, this new structure significantly reduces the risk of electric shock, avoids the problem of reduced insulation performance due to physical damage of the shell, and has lower cost. This design is particularly suitable for economic applications of ordinary families. In order to further ensure safety, the design also adopts a transparent isolation cover and a transparent isolation plate. The transparent isolation cover 5 and the transparent isolation plate 6 can shield the mounting plate 2 and the leakage protector 3, so as to not only provide excellent electric shock prevention effect, but also greatly reduce the structural complexity and manufacturing cost of the device, making the equipment more economical and practical. In addition, by integrating a simple clamping mechanism 7, the transparent isolation plate 6 can be easily disassembled, which is convenient for users to regularly maintain the mounting plate 2 and the leakage protector 3 to ensure their normal function. The electric shock prevention structure design of the distribution box comprehensively considers safety, cost and use convenience, making it an ideal choice to meet the needs of ordinary families.

[0041] It should be noted that the device combines ease of use and economy, has a simple structure and is easy to install, reduces the risk of misoperation and electric shock, and is suitable for economic applications of ordinary families.

[0042] The working principle of the above embodiment is that after the leakage protector 3 is installed on the mounting plate 2 and connected with the municipal power supply through the wire port 4, the guide blocks 705 on both sides of the transparent isolation plate 6 are respectively inserted into the guide grooves 701 on both sides of the transparent isolation cover 5, in the process of insertion, the two guide blocks 705 will extrude the corresponding limiting rods 702 outward, so that the insulating springs 704 are in a stretched state and generate elastic force, then when the guide blocks 705 are completely inserted into the guide grooves 701, the limiting rods 702 will reset by the elastic force generated by the stretching of the insulating springs 704, so that the limiting rods 702 can be elastically inserted into the corresponding limiting grooves 706, limiting the guide blocks 705, achieving the effect of quickly installing the transparent isolation plate 6, so that the mounting plate 2 and the leakage protector 3 can be covered by the transparent isolation cover 5 and the transparent isolation plate 6, so that the user can observe the internal circuit without direct contact, which not only ensures good protection against electric shock, but also greatly reduces the overall structural complexity and manufacturing cost of the distribution box, then the transparent protective door 10 is closed, and the simple lock rod 11 is pushed into the inner wall of the simple lock groove 12, the closing work is completed, no key or complex operation is needed, and it also has a certain child protection function when used in a house, so that the non-metallic layer 101 and the insulating coating 102 are set instead of the conventional metal shell, so that the device as a whole has excellent insulation performance, can withstand certain physical impact, reduces the risk of electric shock, avoids the problem of reduced insulation performance due to physical damage to the shell, and has relatively low cost.

[0043] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0044] Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A structure for preventing electric shock for a distribution box, comprising a prefabricated outer shell (1) and a clamping mechanism (7), characterized in that: The prefabricated shell (1) includes a non-metallic layer (101) and an insulating coating (102) fixedly connected to the outer surface of the non-metallic layer (101). A transparent isolation cover (5) is fixedly connected to the inner wall of the non-metallic layer (101). A transparent isolation plate (6) is snapped onto the front of the transparent isolation cover (5) by a snap-fit ​​mechanism (7). The snap-fit ​​mechanism (7) includes two guide grooves (701) on the front of the transparent isolation cover (5). Each guide groove (701) has a limit rod (702) slidably connected to its inner wall. A connecting block (703) is fixedly connected to the side of the two limit rods (702) that are far apart from each other. An insulating spring (704) is fixedly connected to the side of the two connecting blocks (703) that are close to each other. Two guide blocks (705) are fixedly connected to the side of the transparent isolation plate (6) that is close to the transparent isolation cover (5). A limit groove (706) is fixedly connected to the side of the two guide blocks (705) that are far apart from each other.

2. The electric shock prevention structure for an electrical distribution box according to claim 1, characterized by: The inner wall of the non-metallic layer (101) is fitted with an installation plate (2), and the surface of the installation plate (2) is fitted with uniformly distributed leakage current protectors (3), and both the installation plate (2) and the leakage current protectors (3) are located inside the transparent isolation cover (5).

3. The electric shock prevention structure for an electrical distribution box according to claim 1, characterized by: The back of the prefabricated housing (1) is provided with evenly distributed wire openings (4), and the positions of the wire openings (4) correspond to the positions of the leakage current protector (3).

4. The electric shock prevention structure for an electrical distribution box according to claim 1, characterized by: The two insulating springs (704) are respectively sleeved on the outside of the two limiting rods (702), and the ends of the two insulating springs (704) that are close to each other are respectively fixedly connected to the two sides of the outer surface of the transparent isolation cover (5).

5. The anti-electric shock structure for a distribution box according to claim 1, characterized in that: Each of the connecting blocks (703) has a paddle (707) fixedly connected to its outer surface, and each paddle (707) is covered with a rubber sleeve. The outer surface of the transparent isolation plate (6) has an arc-shaped groove (708).

6. The anti-electric shock structure for a distribution box according to claim 1, characterized in that: The bottom of the prefabricated shell (1) is provided with evenly distributed ventilation slots (16), and the bottom surface of the transparent isolation cover (5) is provided with evenly distributed ventilation holes (17).

7. The anti-electric shock structure for a distribution box according to claim 1, characterized in that: Temperature sensors (8) and alarms (9) are installed on both sides of the inner wall of the non-metallic layer (101), and the temperature sensors (8) and alarms (9) are connected by electrical signals.

8. The anti-electric shock structure for a distribution box according to claim 1, characterized in that: A transparent protective door (10) is installed on the front of the prefabricated shell (1). A simple locking rod (11) is hinged to the side of the transparent protective door (10). A simple locking groove (12) corresponding to the simple locking rod (11) is fixedly connected to the side of the prefabricated shell (1). A handle (13) is fixedly connected to the front of the transparent protective door (10). A positioning seat (14) is fixedly connected to each of the four corners of the outer surface of the prefabricated shell (1). A positioning bolt (15) is installed on the inner wall of each positioning seat (14).

Citation Information

Patent Citations

  • Moisture-proof distribution box

    CN221747723U