Mining explosion-proof wiring terminal

By designing explosion-proof terminals for mining, the problems of moisture accumulation inside junction boxes and cumbersome installation have been solved, achieving convenient connection and a dry junction box environment, thus improving the stability and service life of the equipment.

CN223757709UActive Publication Date: 2026-01-02JIANGSU ZHONGSHI ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202423018516.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2026-01-02
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Moisture can easily accumulate inside the junction boxes of mining machinery and equipment, which can affect the terminals and connecting wires. In addition, traditional junction boxes are cumbersome to install and prone to incorrect or missing connections.

Method used

A mine-use explosion-proof terminal block is designed, comprising a junction box, a cover, a terminal slot, a conductive rod, a branch plate, a limiting plate, a slide, a placement box, and a desiccant. Through classified wire connection, limiting and sealing structure, combined with the desiccant to absorb water mist, the inside of the junction box is kept dry.

Benefits of technology

It enables convenient wire connection and stable limiting, prevents wires from coming loose, keeps the junction box dry, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mining explosion-proof wiring terminal, and relates to the technical field of explosion-proof electrical equipment. According to the utility model, through the arrangement of the wire distributing plate, the limiting plate, the conducting rod and the limiting block, wires pass through the wire distributing plate and the wire distributing groove in a classified manner and are limited under the action of the limiting plate, the wires are connected with the conducting rod during installation, and then the installation can be completed only by inserting the wiring insertion columns into the corresponding connectors. The multiple wires can be distributed and connected at the same time conveniently, operation is convenient, after the box cover is buckled, the limiting blocks on the bottom surface of the box cover abut against the limiting plates, then the stability of the limiting plates for limiting the wires is improved, and the wires are prevented from disengaging. According to the junction box, the sliding groove, the placing box and the matching block are arranged, the drying agent is placed in the placing box, water mist can be adsorbed, it is guaranteed that the interior of the junction box is dry, normal use of equipment is guaranteed, meanwhile, the placing box can be pulled out of the sliding groove through the pulling plate, the drying agent is convenient to replace, and the service life of the junction box is further guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of explosion -proof electrical equipment, especially relates to a mine explosion -proof wiring terminal. BACKGROUND

[0002] Modern mining mechanical equipment structure is complex, and the degree of electrification is high, which greatly improves the efficiency of mineral mining, and the number of electrical components in the mining mechanical equipment is huge, and the electrical circuit arrangement is dense, and at the same time, it must meet the national explosion -proof standard specification, for example, the wiring in the electrical control equipment of mining mechanical equipment, in order to meet the safe use under the mine, the main control unit of the electrical control equipment is often placed in the control room of the electric control box, and the external circuit and the main control unit are connected by setting a special wiring room, the control room and the wiring room are provided with explosion -proof partition to play a safe protection role, and the explosion -proof wiring terminal is used to realize the connection of the electrical circuit through the explosion -proof partition.

[0003] The wires in the junction box need to be arranged and connected to the wiring terminal one by one, and the workload is huge, which is not only complicated but also prone to misconnection and omission, and the environment under the mine is relatively humid, and when the traditional junction box is installed, a large amount of moisture is easily accumulated in the interior, if the moisture and water mist are not removed in time, the moisture is easy to affect the wiring terminal and the connecting wire. UTILITY MODEL CONTENTS

[0004] The utility model discloses a mine explosion -proof wiring terminal, and solves the problems in the above background technology.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model discloses a mine explosion -proof wiring terminal, which comprises a junction box and a box cover, a plurality of terminal insertion slots are formed in the side surface of the junction box, the junction box is connected with a plurality of terminal insertion columns, the terminal insertion column is hollow, the inside of the terminal insertion column is slidably connected with a conductive rod, one end of the conductive rod is arranged in the junction box, the inner bottom surface of the junction box is fixedly connected with a plurality of distribution boards, the distribution board is arranged on one side of the conductive rod, a plurality of distribution grooves are formed in the surface of the distribution board, a plurality of insertion holes are formed in the top end of the distribution board, the insertion hole is inserted with a plug rod, one end of the plug rod is fixedly connected with a limiting plate, the limiting plate is arranged above the distribution board, a plurality of sliding grooves are formed in the circumferential side of the inner wall of the junction box, the inside of the sliding groove is slidably connected with a placing box, and the inside of the placing box is provided with a drying agent.

[0007] The side of the placing box is provided with a plurality of through holes, one end of the placing box is fixedly connected with a pull plate, the pull plate is arranged outside the sliding groove, the box cover is arranged above the junction box, the box cover is in buckling connection with the junction box and forms a sealing structure, a plurality of limiting blocks are fixedly connected to one side of the bottom surface of the box cover, the limiting blocks correspond to the limiting plates, a plurality of matching blocks are fixedly connected to the circumferential side of the bottom surface of the box cover, and the matching blocks are matched with the sliding grooves.

[0008] The upper surface of the junction box is provided with plug-in grooves on both sides, a plurality of screw holes are formed in the circumferential side of the upper surface of the junction box, plug-in blocks are fixedly connected to the both sides of the bottom surface of the box cover, the plug-in blocks are in plug-in cooperation with the plug-in grooves, a plurality of screws are arranged on the circumferential side of the inside of the box cover, the screws are in threaded cooperation with the screw holes, and a sealing ring is arranged on the bottom surface of the box cover.

[0009] A sealing insulation sleeve is arranged at the connecting position of the conductive rod and the junction box, so that the sealing property of the junction box is improved, and the junction box is prevented from being damp.

[0010] A plurality of flow guide grooves are formed in the two side surfaces of the junction box, so that water drops can normally drip and are prevented from accumulating and penetrating into the inside of the junction box, and the junction box is ensured to be in a relatively dry environment.

[0011] The sliding grooves, the placing boxes and the matching blocks are all provided with four groups, four groups of the sliding grooves are arranged on the circumferential side of the inner wall of the junction box, and four groups of the matching blocks are arranged on the circumferential side of the bottom surface of the box cover.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] The utility model discloses a junction box, which comprises a junction box body, a plurality of wires, a plurality of conductive rods, a plurality of limiting plates and a box cover.

[0014] Of course, it is not necessary for any product embodying the utility model to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for the ordinary skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 It is a three-dimensional structure schematic view of the present application;

[0017] Figure 2 It is Figure 1 It is an enlarged view of the A area in the middle;

[0018] Figure 3 It is a front view of the structure of the present application;

[0019] Figure 4 It is Figure 3 It is a B-B section structure schematic view.

[0020] In the drawings, the component list represented by each number is as follows:

[0021] 1, junction box; 101, plug-in slot; 102, junction plug post; 103, screw hole; 104, flow guide groove; 105, distribution plate; 106, distribution groove; 107, jack; 108, limiting plate; 109, plug rod; 110, sliding groove; 111, placing box; 112, through hole; 113, pull plate; 114, conductive rod; 2, box cover; 201, plug-in block; 202, screw; 203, matching block; 204, limiting block. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0023] In the description of the present application, it is understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or position relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation to the present application.

[0024] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation" "is provided with" "connection" and so on, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integral connection;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements inside.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to Figures 1-4 The utility model discloses a kind of mining explosion-proof wiring terminal, including terminal box 1 and box cover 2, the side of terminal box 1 is provided with multiple terminal insertion slots, terminal insertion slot is fixedly connected with wiring insertion post 102, wiring insertion post 102 is hollow, the inside of wiring insertion post 102 is slidably connected with electrically conductive rod 114, one end of electrically conductive rod 114 is arranged in terminal box 1, the inner bottom surface of terminal box 1 is fixedly connected with multiple branch boards 105, branch board 105 is arranged on one side of electrically conductive rod 114, the surface of branch board 105 is provided with multiple branch grooves 106, the top of branch board 105 is provided with multiple jack 107, plug rod 109 is inserted in jack 107, one end of plug rod 109 is fixedly connected with limit plate 108, limit plate 108 is arranged above branch board 105, the circumferential side of the inner wall of terminal box 1 is provided with multiple sliding grooves 110, sliding groove 110 is slidably connected with placing box 111, drying agent is arranged in the inside of placing box 111.

[0026] The side of placing box 111 is provided with several through holes 112, one end of placing box 111 is fixedly connected with pull plate 113, pull plate 113 is arranged outside sliding groove 110, box cover 2 is arranged above terminal box 1, box cover 2 is connected with terminal box 1 buckle, and sealing structure is formed, the side of the bottom surface of box cover 2 is fixedly connected with multiple limit blocks 204, limit block 204 corresponds with limit plate 108, the circumferential side of the bottom surface of box cover 2 is fixedly connected with multiple cooperation blocks 203, cooperation block 203 is adapted to sliding groove 110.

[0027] The both sides of the upper surface of terminal box 1 are provided with plug-in slot 101, the circumferential side of the upper surface of terminal box 1 is provided with multiple screw holes 103, the both sides of the bottom surface of box cover 2 are fixedly connected with plug-in block 201, plug-in block 201 is inserted into plug-in slot 101, the circumferential side in the inside of box cover 2 is provided with multiple screws 202, screw 202 is screwed with screw hole 103, the bottom surface of box cover 2 is provided with sealing ring.

[0028] The connection of electrically conductive rod 114 and terminal box 1 is provided with sealing insulation sleeve;The sealing property of terminal box 1 is improved, to avoid its inside damp.

[0029] The two side surfaces of the junction box 1 are provided with a plurality of flow guide grooves 104; by arranging the flow guide grooves 104, it is ensured that water drops can normally drip, and accumulation of water drops is avoided so as to penetrate into the interior of the junction box 1, and it is ensured that the junction box 1 is in a relatively dry environment.

[0030] The four sets of sliding grooves 110 are arranged on the circumferential side of the inner wall of the junction box 1, and the four sets of matching blocks 203 are arranged on the circumferential side of the bottom surface of the box cover 2.

[0031] It needs to be supplemented that, during installation, the wires are classified to pass through the distribution plate 105 and the distribution groove 106, and are limited under the action of the limiting plate 108, the wires are connected with the conductive rod 114, and then the junction plug post 102 is inserted and installed on the corresponding connector to complete the installation, which is convenient for simultaneous distribution connection of multiple wires and convenient operation, and after the box cover 2 is buckled, the limiting block 204 on the bottom surface of the box cover 2 abuts against the limiting plate 108, thereby improving the stability of the limiting plate 108 in limiting the wires, and avoiding wire disconnection of the wires; the placement box 111 is provided with a drying agent, which can absorb water mist, ensure that the interior of the junction box 1 is dry, ensure normal use of the equipment, and the placement box 111 can be pulled out from the sliding groove 110 through the pull plate 113, which facilitates replacement of the drying agent, further ensures the service life of the junction box 1, and after the box cover 2 is buckled, the matching block 203 slides in the sliding groove 110 to limit the placement box 111, thereby improving the practicability.

[0032] In the description of the present specification, the description referring to the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of the specification. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the application, so that the persons skilled in the art can well understand and utilize the application. The application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A mine explosion-proof terminal comprising a terminal box (1) and a box cover (2), characterized in that: The side surface of the terminal box (1) is provided with a plurality of terminal slots, the terminal slot is fixedly connected with a terminal post (102), the terminal post (102) is hollow, the inside of the terminal post (102) is slidably connected with a conductive rod (114), one end of the conductive rod (114) is arranged in the terminal box (1), the inner bottom surface of the terminal box (1) is fixedly connected with a plurality of distribution boards (105), the distribution board (105) is arranged on one side of the conductive rod (114), the surface of the distribution board (105) is provided with a plurality of distribution grooves (106), the top end of the distribution board (105) is provided with a plurality of jack (107), the jack (107) is inserted with a plug rod (109), one end of the plug rod (109) is fixedly connected with a limiting plate (108), the limiting plate (108) is arranged above the distribution board (105), the circumferential side of the inner wall of the terminal box (1) is provided with a plurality of sliding grooves (110), the inside of the sliding groove (110) is slidably connected with a placing box (111), the inside of the placing box (111) is provided with a drying agent.

2. The explosion-proof terminal for mine use according to claim 1, characterized in that, The side surface of the placing box (111) is provided with a plurality of through holes (112), one end of the placing box (111) is fixedly connected with a pull plate (113), the pull plate (113) is arranged outside the sliding groove (110), the box cover (2) is arranged above the terminal box (1), the box cover (2) is connected with the terminal box (1) in a buckling manner and forms a sealing structure, one side of the bottom surface of the box cover (2) is fixedly connected with a plurality of limiting blocks (204), the limiting block (204) corresponds to the limiting plate (108), the circumferential side of the bottom surface of the box cover (2) is fixedly connected with a plurality of matching blocks (203), the matching block (203) is matched with the sliding groove (110).

3. The explosion-proof terminal for mine use according to claim 2, characterized in that, The both sides of the upper surface of the terminal box (1) are provided with plug-in grooves (101), the circumferential side of the upper surface of the terminal box (1) is provided with a plurality of screw holes (103), the both sides of the bottom surface of the box cover (2) are fixedly connected with plug-in blocks (201), the plug-in block (201) is plugged and matched with the plug-in groove (101), the circumferential side of the inside of the box cover (2) is provided with a plurality of screws (202), the screw (202) is screwed with the screw hole (103), the bottom surface of the box cover (2) is provided with a sealing ring.

4. The explosion-proof terminal for mine use according to claim 3, characterized in that, The connecting part of the conductive rod (114) and the terminal box (1) is provided with a sealing insulation sleeve.

5. The explosion-proof terminal for mine use according to claim 4, characterized in that, The both sides of the terminal box (1) are provided with a plurality of flow guide grooves (104).

6. The explosion-proof terminal for mine use according to claim 5, characterized in that, The sliding groove (110), the placing box (111) and the matching block (203) are provided with four groups, four groups of the sliding groove (110) are arranged on the circumferential side of the inner wall of the terminal box (1), four groups of the matching block (203) are arranged on the circumferential side of the bottom surface of the box cover (2).