Mine multiple protection explosion-proof control box

By installing a protective net and an internal positioning structure in the explosion-proof control box for mining, the problems of external cable safety protection and internal cable clutter have been solved, thereby improving cable safety and ease of maintenance.

CN224481884UActive Publication Date: 2026-07-10SHANGHAI KUNJIA AUTOMATION TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI KUNJIA AUTOMATION TECH
Filing Date
2025-06-20
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing explosion-proof control boxes for mining cannot provide safety protection for external cables, and the internal cable distribution is messy, making them prone to damage and difficult to repair.

Method used

A mine-use multi-protection explosion-proof control box was designed. By installing a protective net at the external port and setting up a positioning frame, fixing plate, limit sleeve, limit spring and top rod inside, it can achieve safe protection of external cables and centralized collection of internal cables.

Benefits of technology

It improves the safety of external cables, avoids damage caused by insects and rodents and external impacts, reduces the risk of electrical failures, facilitates maintenance, and extends the service life of cables.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224481884U_ABST
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Abstract

This utility model discloses a mine-use multi-protection explosion-proof control box, relating to the technical field of control boxes. It includes a box body with a sealing cover plate installed on its outer wall. External ports are provided at the top and bottom of the box body, and protective netting is installed on the outer wall of each external port. This utility model utilizes a positioning frame, a fixing plate, a limiting sleeve, a limiting spring, and a push rod. The push rod is pressed inwards, and then the fixing plate is inserted into the positioning frame. At this time, the push rod is pushed outwards by the elastic force of the limiting spring, engaging with the positioning frame for easy assembly and disassembly. The cables inside the box are then inserted into the limiting sleeve for centralized bundling, preventing tangled cables and facilitating subsequent maintenance. This also prevents the insulation layer from being worn down by vibration, friction, or external pulling during equipment operation, which could lead to short circuits or leakage, thus extending cable life and reducing the risk of electrical faults.
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Description

Technical Field

[0001] This utility model relates to the field of control box technology, specifically a mine-use multi-protection explosion-proof control box. Background Technology

[0002] Mines contain large amounts of flammable gases and dust, which can easily cause explosions if exposed to a source of ignition, resulting in serious casualties and property damage. Furthermore, the external cables of the control box are susceptible to damage from rodents, leading to short circuits and fires. Additionally, the internal cabling of the control box is complex and prone to becoming tangled, making subsequent maintenance difficult. Therefore, a multi-layered explosion-proof control box for mining is needed to address these issues.

[0003] The existing explosion-proof control box for mining has the problem that it cannot provide safety protection for external cables or can not neatly bundle the internal cables during operation. Therefore, there is an urgent need for a multi-protection explosion-proof control box for mining. Summary of the Invention

[0004] Therefore, the purpose of this utility model is to provide a mine-use multi-protection explosion-proof control box to solve the problems that existing mine-use explosion-proof control boxes cannot provide safety protection for external cables or can not neatly bundle the internal cables during use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a mine-use multi-protection explosion-proof control box, comprising a box body, a sealing cover plate installed on the outer wall of the box body, external ports opened at the top and bottom of the box body, a protective net installed on the outer wall of the external ports, a controller installed on the inner wall of the box body, a positioning frame installed on the inner wall of the box body, a fixing plate installed on the inner wall of the positioning frame, a plurality of limiting sleeves installed on the outer wall of the fixing plate, a limiting spring installed on the inner wall of the fixing plate, and a top rod installed on the outer wall of the limiting spring.

[0006] Preferably, the external ports are symmetrically arranged with the central axis of the housing as the center, and the protective mesh is threadedly connected to the external ports.

[0007] Preferably, the fixing plate is inserted into the positioning frame, and the top rod forms a telescopic structure with the fixing plate through a limiting spring.

[0008] Preferably, the limiting sleeves are evenly distributed around the central axis of the fixing plate, and the limiting sleeves are C-shaped.

[0009] Preferably, the top rod is engaged with the positioning frame, and the top rods are arranged in a rectangular array with the central axis of the fixed plate as the center.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] This utility model, through the setting of an external port and a protective net, allows the external cable to extend from the external port, and then the protective net is sleeved on the external cable. The protective net is then threadedly connected to the external port. The setting of the protective net can provide safety protection for the external cable, avoiding damage to the surface of the external cable caused by insects and rodents or external impacts, thus preventing short circuits, open flames, and other phenomena, thereby improving the safety of the external cable.

[0012] This utility model utilizes a positioning frame, a fixing plate, a limiting sleeve, a limiting spring, and a top rod. The top rod is pressed inwards, and then the fixing plate is inserted into the positioning frame. At this point, the top rod is pushed outwards by the elastic force of the limiting spring, causing the top rod to engage with the positioning frame for easy assembly and disassembly. Then, the cables inside the housing are inserted into the limiting sleeve for centralized bundling, preventing cable tangling and facilitating subsequent maintenance. This also prevents tangled cables from wearing down the insulation layer due to vibration, friction, or external pulling during equipment operation, which could lead to short circuits or leakage, thus extending cable lifespan and reducing the risk of electrical faults. Attached Figure Description

[0013] Figure 1 This is a structural schematic diagram of the present utility model from the front view;

[0014] Figure 2 This is a side view of the structure of this utility model;

[0015] Figure 3 This is a structural schematic diagram showing the components surrounding the protective net of this utility model disassembled;

[0016] Figure 4 This is a schematic diagram showing the internal cross-section of the fixing plate of this utility model.

[0017] In the diagram: 1. Box body; 2. Sealing cover; 3. External port; 4. Protective net; 5. Controller; 6. Positioning frame; 7. Fixing plate; 8. Limit sleeve; 9. Limit spring; 10. Top rod. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0019] The embodiments of this utility model will be described below based on its overall structure.

[0020] Please see Figures 1-4A mine-use multi-protection explosion-proof control box includes a box body 1. A sealing cover 2 is installed on the outer wall of the box body 1. External ports 3 are provided on the top and bottom of the box body 1. A protective net 4 is installed on the outer wall of the external ports 3. The external ports 3 are symmetrically arranged with the central axis of the box body 1 as the center, and the protective net 4 is threadedly connected to the external ports 3. After the external cable is extended from the external port 3 through the external ports 3 and the protective net 4, the protective net 4 is sleeved with the external cable, and then the protective net 4 is threadedly connected to the external port 3. The setting of the protective net 4 can provide safety protection for the external cable, avoid damage to the surface of the external cable caused by insects and rodents and external impacts, and prevent short circuits, open flames, etc., thereby improving the safety of the external cable.

[0021] Please see Figures 1-4 A mine-use multi-layer explosion-proof control box includes a controller 5 installed on the inner wall of the box body 1, a positioning frame 6 installed on the inner wall of the box body 1, a fixing plate 7 installed on the inner wall of the positioning frame 6, several limiting sleeves 8 installed on the outer wall of the fixing plate 7, a limiting spring 9 installed on the inner wall of the fixing plate 7, and a top rod 10 installed on the outer wall of the limiting spring 9. The fixing plate 7 is inserted into the positioning frame 6, and the top rod 10 forms a telescopic structure with the fixing plate 7 through the limiting spring 9. The limiting sleeves 8 are evenly distributed around the central axis of the fixing plate 7 and are C-shaped. The top rod 10 is engaged with the positioning frame 6 and is rectangular around the central axis of the fixing plate 7. The cable arrangement is arranged in a grid pattern. Using a positioning frame 6, fixing plate 7, limiting sleeve 8, limiting spring 9, and top rod 10, the top rod 10 is pressed inwards, and then the fixing plate 7 is inserted into the positioning frame 6. At this point, the top rod 10 is pushed outwards by the elastic force of the limiting spring 9, causing the top rod 10 to engage with the positioning frame 6 for easy assembly and disassembly. Then, the cables inside the housing 1 are inserted into the limiting sleeve 8 for centralized bundling, preventing cable tangling and facilitating subsequent maintenance. This also prevents the insulation layer from being worn down by vibration, friction, or external pulling during equipment operation, which could lead to short circuits or leakage, thus extending cable life and reducing the risk of electrical faults.

[0022] Working principle: In use, first press the top rod 10 inward, and then insert the fixing plate 7 into the positioning frame 6. At this time, the top rod 10 is pushed outward by the elastic force of the limit spring 9, so that the top rod 10 and the positioning frame 6 are engaged and connected, which is convenient for disassembly and assembly. Then, insert the cable inside the housing 1 into the limit sleeve 8 for centralized gathering, so as to avoid the cable tangling and mess, which is convenient for subsequent maintenance. At the same time, it can also prevent messy cables from wearing the insulation layer due to vibration, friction or external pulling during equipment operation, which may lead to short circuit or leakage, thereby extending the service life of the cable and reducing the risk of electrical failure. Then, after extending the external cable from the external port 3, the protective net 4 is sleeved with the external cable, and then the protective net 4 is threaded to the external port 3. The protective net 4 is set to provide safety protection for the external cable, preventing insect and rodent bites and external impacts from damaging the surface of the external cable, which may cause short circuits, open flames or other phenomena, thus improving the safety of the external cable. This completes the use of the device. The contents not described in detail in this manual are existing technologies known to those skilled in the art.

[0023] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A mine-use multi-protection explosion-proof control box, comprising a box body (1), characterized in that: The outer wall of the box (1) is equipped with a sealing cover plate (2). The top and bottom of the box (1) are provided with external ports (3). The outer wall of the external port (3) is equipped with a protective net (4). The inner wall of the box (1) is equipped with a controller (5). The inner wall of the box (1) is equipped with a positioning frame (6). The inner wall of the positioning frame (6) is equipped with a fixing plate (7). The outer wall of the fixing plate (7) is equipped with several limiting sleeves (8). The inner wall of the fixing plate (7) is equipped with a limiting spring (9). The outer wall of the limiting spring (9) is equipped with a top rod (10).

2. The mine-use multi-protection explosion-proof control box according to claim 1, characterized in that: The external port (3) is symmetrically arranged with the central axis of the box (1) as the center, and the protective net (4) is threadedly connected to the external port (3).

3. The mine-use multi-protection explosion-proof control box according to claim 1, characterized in that: The fixed plate (7) is inserted into the positioning frame (6), and the top rod (10) forms a telescopic structure with the fixed plate (7) through the limiting spring (9).

4. The mine-use multi-protection explosion-proof control box according to claim 1, characterized in that: The limiting sleeves (8) are evenly distributed around the central axis of the fixing plate (7), and the limiting sleeves (8) are C-shaped.

5. A mine-use multi-protection explosion-proof control box according to claim 1, characterized in that: The top rod (10) is engaged with the positioning frame (6), and the top rod (10) is arranged in a rectangular array with the central axis of the fixing plate (7) as the center.