A mine-used explosion-proof miniature wall-penetrating terminal

Abstract

The utility model discloses a kind of mining explosion-proof micro wall-penetrating terminal, it is related to line connector technical field, including mounting sleeve, the plugboard is fixedly installed in mounting sleeve two ends, hole seat;The connecting groove is opened in the mounting sleeve, the baffle is fixedly installed in the connecting groove, the first clamping block is fixedly installed in baffle both sides, the first clamping slot is opened in plugboard, hole seat, the insulator is fixedly installed in plugboard, the insulator is provided with four, the connecting cavity is opened in the insulator, the wire column is fixedly installed in the connecting cavity, the connecting cavity is through plugboard, the hole seat is opened with the connecting cavity number corresponding wire insertion port, rubber ring is fixedly arranged in wire insertion port, solve the problem that it is difficult to realize the uniform distribution of wire in the explosion-proof sleeve and the uniform filling of insulator in prior art, affect its explosion-proof performance.

Description

Technical Field

[0001] This utility model relates to the field of circuit connector technology, specifically a mining explosion-proof miniature through-wall terminal. Background Technology

[0002] Mining explosion-proof miniature through-wall terminal is a connection element specially designed for mining explosion-proof electrical equipment. It features explosion-proof design, simple structure, and excellent electrical performance, and is an important component to ensure the safe and stable operation of mining electrical equipment.

[0003] Chinese utility model patent application N203312498U proposes a miniature explosion-proof through-wall terminal for mining applications, comprising: an explosion-proof sleeve, an insulator, and several flame-retardant conductive wires. The outer edge of the explosion-proof sleeve is composed of a sleeve head and a threaded explosion-proof surface. The inner cavity of the explosion-proof sleeve is hollow, and the hollow inner cavity is flared on the sleeve head side. The several flame-retardant conductive wires are inserted into the inner cavity of the explosion-proof sleeve, and the insulator fills the space between each flame-retardant conductive wire and the inner cavity wall of the explosion-proof sleeve. The number of explosion-proof outer shells corresponds to the number of through-wall control wires, resulting in a simple structure and flexible design of the explosion-proof outer shell.

[0004] However, existing technologies still have shortcomings:

[0005] 1. The above setup involves inserting several flame-retardant conductive wires into the inner cavity of the explosion-proof sleeve and then filling it with insulator. This makes it difficult to achieve a uniform distribution of the wires and a uniform filling of the insulator within the explosion-proof sleeve, resulting in uneven pressure distribution inside the explosion-proof sleeve and affecting its explosion-proof performance.

[0006] 2. The explosion-proof sleeve has no auxiliary installation structure, making it difficult to achieve fixed installation on the wall. Utility Model Content

[0007] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a miniature through-wall terminal for mining applications, which solves the problem in the prior art where, after inserting several flame-retardant conductive wires into the cavity of the explosion-proof sleeve and filling it with insulator, it is difficult to achieve uniform distribution of the wires and uniform filling of the insulator within the explosion-proof sleeve, resulting in uneven pressure distribution inside the explosion-proof sleeve and affecting its explosion-proof performance.

[0008] To achieve the above objectives, this utility model proposes a mining explosion-proof miniature through-wall terminal, comprising an installation sleeve, with a plug plate and a hole seat fixedly installed at both ends of the installation sleeve respectively; a connecting groove is formed inside the installation sleeve, a baffle is fixedly installed inside the connecting groove, and first locking blocks are fixedly installed on both sides of the baffle; a first locking groove is formed on both the plug plate and the hole seat; an insulator is fixedly installed inside the plug plate, and four insulators are provided; a connecting cavity is formed inside the insulator, and a wire post is fixedly installed inside the connecting cavity; the connecting cavity penetrates the plug plate; a wire insertion port corresponding to the number of connecting cavities is formed inside the hole seat; a rubber ring is fixedly installed inside the wire insertion port; a rubber ring is fixedly installed at the end of the connecting cavity away from the installation sleeve; and four wire clamping screw holes are formed on both the plug plate and the hole seat.

[0009] As a further embodiment of this utility model: the end of the wire socket near the plug plate corresponds to the wire post, and a rubber ring is fixedly installed inside the end away from the plug plate.

[0010] As a further embodiment of this utility model: a pair of through slots are symmetrically provided on the mounting sleeve, and limit strips are symmetrically installed on the insert plate. When the insert plate is engaged with the first locking block on the mounting sleeve, the pair of limit strips are respectively disposed in the through slots.

[0011] As a further embodiment of this utility model: limit blocks are symmetrically fixedly installed on both sides of the hole seat, and an adjustment component is slidably arranged inside the limit blocks.

[0012] As a further embodiment of this utility model: a second slot is provided in the limiting strip, and a cylindrical sliding groove and a cross-shaped groove are provided in the limiting block, and the cylindrical sliding groove and the cross-shaped groove are connected.

[0013] As a further embodiment of this utility model: the adjustment component includes a handle, a connecting column, and a second locking block; the connecting column is slidably disposed in the cylindrical groove, the second locking block is disposed in the cross-shaped groove, the connecting column is fixedly connected to the second locking block, and the handle is fixedly connected to the end of the connecting column.

[0014] As a further embodiment of this utility model: the adjusting component further includes a spring, one end of which is fixedly connected to the limiting block, and the other end of which is fixedly connected to the end of the connecting post near the second locking block.

[0015] As a further embodiment of this utility model: the vertical direction of the cross-shaped groove passes through the limiting block and communicates with the outside, while the horizontal direction is only set within the limiting block.

[0016] As a further embodiment of this utility model: the second card block matches the second card slot.

[0017] As a further embodiment of this utility model, auxiliary mounting plates are fixedly installed on both sides of the mounting sleeve.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1. By evenly arranging insulators inside the plug plate, connecting cavities are opened on the insulators, and wire posts are fixedly installed in the connecting cavities. Wire sockets corresponding to the number of connecting cavities are opened in the socket, and rubber rings are fixedly installed in the wire sockets. The end of the wire socket close to the plug plate corresponds to the wire post, and the end away from the plug plate has a fixed rubber ring. Rubber rings are also fixedly installed in the connecting cavity at the end of the plug plate away from the mounting sleeve. This facilitates the even insertion of wires at both ends and avoids the risk of leakage during insertion. At the same time, four wire clamping screw holes are opened on both the plug plate and the socket. After inserting the wires at both ends, screws are tightened into the wire clamping screw holes to limit the movement of the wires at both ends.

[0020] 2. By setting limit strips, limit blocks and adjustment components; rotate the handle until the second locking block is parallel to the vertical direction of the cross-shaped groove, that is, at this time, the second locking block can extend out of the cross-shaped groove. Release the handle, and under the elastic action of the spring, drive the second locking block to extend out of the limit block and enter the second locking groove; thereby realizing the installation of the device and facilitating further limiting of the device. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is an exploded view of the present invention;

[0023] Figure 3 This is a schematic diagram of the hole seat of this utility model;

[0024] Figure 4 This is a partial cross-sectional view of the hole seat of this utility model.

[0025] In the diagram: 1. Mounting sleeve; 2. Insert plate; 3. Hole seat; 4. Wire clamping screw hole; 5. Auxiliary mounting plate; 6. Limiting strip; 7. Limiting block; 8. Adjustment component; 9. Wire socket; 10. Rubber ring; 11. Connecting groove; 12. Baffle; 13. First locking block; 14. First locking groove; 15. Insulator; 16. Second locking groove; 17. Through groove; 18. Connecting cavity; 19. Wire post; 20. Cross-shaped groove; 21. Second locking block; 22. Connecting post; 23. Handle; 24. Spring; 25. Columnar slide. Detailed Implementation

[0026] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] like Figure 1-4 As shown, a mining explosion-proof miniature through-wall terminal includes a mounting sleeve 1, with a plug plate 2 and a hole seat 3 fixedly mounted at both ends of the mounting sleeve 1. The mounting sleeve 1, plug plate 2, and hole seat 3 are made of explosion-proof material. Auxiliary mounting plates 5 are fixedly mounted on both sides of the mounting sleeve 1 to facilitate the fixed installation of the mounting sleeve 1 into the wall. A quick-release structure is provided between the plug plate 2, hole seat 3 and the mounting sleeve 1 to facilitate the installation and removal of the plug plate 2, hole seat 3 on the mounting sleeve 1. Specifically, a connecting groove 11 is provided inside the mounting sleeve 1. A baffle 12 is fixedly installed inside the device. First locking blocks 13 are fixedly installed on both sides of the baffle 12. First locking grooves 14 are provided on both the insert plate 2 and the hole seat 3. One end of the insert plate 2 and the hole seat 3 is aligned with the connecting groove 11, and the insert plate 2 and the hole seat 3 are pressed until the first locking groove 14 engages with the first locking block 13, thus achieving the initial connection between the insert plate 2, the hole seat 3, and the mounting sleeve 1. An insulator 15 is fixedly installed inside the insert plate 2. Four insulators 15 are provided; however, in specific implementations, the number of insulators 15 can be adjusted as needed. 15 are evenly distributed within the insert plate 2. A connecting cavity 18 is formed within the insulator 15, and a conductor post 19 is fixedly installed within the connecting cavity 18. The connecting cavity 18 penetrates the insert plate 2. A conductor socket 9, corresponding to the number of connecting cavities 18, is formed within the hole seat 3. A rubber ring 10 is fixedly installed within the conductor socket 9. The end of the conductor socket 9 closest to the insert plate 2 corresponds to the conductor post 19, while the end furthest from the insert plate 2 has a fixed rubber ring 10. Similarly, a connecting cavity 18 at the end of the insert plate 2 furthest from the mounting sleeve 1 also has a fixed rubber ring 10. After the device is fixedly installed on the wall, the two wires are passed through the rubber ring 10 on the plug plate 2 and the hole seat 3 respectively, and then fixed to achieve the connection of the electrical equipment at both ends. The rubber ring 10 facilitates the limiting of wires of various sizes and also has an insulating function to prevent electric shock to the installer. The plug plate 2 and the hole seat 3 are each provided with four wire clamping screw holes 4. After the wires at both ends are inserted, screws are screwed into the wire clamping screw holes 4 to limit the wires at both ends.

[0028] In one embodiment of this invention, a pair of through slots 17 are symmetrically provided on the mounting sleeve 1, and limit strips 6 are symmetrically installed on the insert plate 2. When the insert plate 2 engages with the first locking block 13 on the mounting sleeve 1, the pair of limit strips 6 are respectively positioned within the through slots 17. Limit blocks 7 are symmetrically fixedly installed on both sides of the hole seat 3, and an adjustment component 8 is slidably provided within the limit block 7. The secondary positioning of the device is achieved by matching the adjustment component 8 with the limit strips 6. Specifically, a second locking groove 16 is provided within the limit strip 6, and a cylindrical sliding groove 25 and a cross-shaped groove 20 are provided within the limit block 7. The groove 20 is connected. The adjusting component 8 includes a handle 23, a connecting post 22, a spring 24, and a second locking block 21. The connecting post 22 is slidably disposed in the cylindrical slide groove 25, and the second locking block 21 is movably disposed in the cross-shaped groove 20. The connecting post 22 and the second locking block 21 are fixedly connected. The handle 23 is fixedly connected to the end of the connecting post 22. One end of the spring 24 is fixedly connected to the limiting block 7, and the other end is fixedly connected to the end of the connecting post 22 near the second locking block 21. The vertical direction of the cross-shaped groove 20 is connected to the outside, while the horizontal direction is only disposed within the limiting block 7 and is not connected to the outside. The initial state is as follows: Figure 3 As shown, the second locking block 21 is disposed within the cross-shaped groove 20 and abuts against the horizontal direction of the cross-shaped groove 20, and the installed state is as follows. Figure 4 As shown, rotate handle 23 until the second locking block 21 is parallel to the vertical direction of the cross-shaped groove 20. At this point, the second locking block 21 can extend out of the cross-shaped groove 20. Release handle 23, and under the elastic action of spring 24, the second locking block 21 will extend out of the limiting block 7 and enter the second locking groove 16. This will enable the installation of the device. When disassembling, first unscrew the screw in the wire clamping screw hole 4, take out the two wires, and then pull handle 23 to disengage the second locking block 21 from the second locking groove 16. Then continue to pull handle 23 until the second locking block 21 enters the cross-shaped groove 20. Then rotate handle 23 until the second locking block 21 is parallel to the horizontal direction of the cross-shaped groove 20 to retract the second locking block 21. Then pull out the insert plate 2 and the hole seat 3 respectively to disassemble the device.

[0029] Working principle:

[0030] Install the mounting sleeve 1 in the wall. Align one end of the insert plate 2 and the hole seat 3 with the connecting groove 11. Press the insert plate 2 and the hole seat 3 until the first slot 14 engages with the first locking block 13, thus achieving the initial connection between the insert plate 2, the hole seat 3 and the mounting sleeve 1. Rotate the handle 23 until the second locking block 21 is parallel to the vertical direction of the cross-shaped groove 20. At this point, the second locking block 21 can extend out of the cross-shaped groove 20. Release the handle 23, and under the elastic action of the spring 24, the second locking block 21 will extend out of the limiting block 7 and enter the second slot 16, thereby achieving the installation of the device. After fixing the device to the wall, insert the two wires through the rubber rings 10 on the insert plate 2 and the hole seat 3 respectively. Then, tighten the screws into the wire clamping screw holes 4 to limit the wires at both ends, thus achieving the connection of the electrical equipment at both ends.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A flameproof mining miniature through-wall terminal, characterized in that, The system includes an installation sleeve (1), with a plug plate (2) and a hole seat (3) fixedly installed at both ends of the installation sleeve (1); a connecting groove (11) is provided inside the installation sleeve (1), a baffle (12) is fixedly installed inside the connecting groove (11), and a first locking block (13) is fixedly installed on both sides of the baffle (12); a first locking groove (14) is provided on both the plug plate (2) and the hole seat (3); an insulator (15) is fixedly installed inside the plug plate (2), and four insulators (15) are provided. The plate (2) has a connecting cavity (18) inside, and a wire post (19) is fixedly installed in the connecting cavity (18). The connecting cavity (18) passes through the insert plate (2). The hole seat (3) has wire sockets (9) corresponding to the number of the connecting cavities (18). A rubber ring (10) is fixedly installed in the wire socket (9). A rubber ring (10) is fixedly installed at one end of the connecting cavity (18) away from the mounting sleeve (1). The insert plate (2) and the hole seat (3) are both provided with four wire clamping screw holes (4).

2. A mine-used explosion-proof miniature wall bushing according to claim 1, characterized in that, The end of the wire socket (9) near the plug plate (2) corresponds to the wire post (19), and the end away from the plug plate (2) is fixedly installed with a rubber ring (10).

3. The explosion-proof miniature through-wall terminal for mining as described in claim 1, characterized in that, The mounting sleeve (1) has a pair of through slots (17) symmetrically provided, and the insert plate (2) has symmetrically installed limit strips (6). When the insert plate (2) is engaged with the first locking block (13) on the mounting sleeve (1), the pair of limit strips (6) are respectively set in the through slots (17).

4. A flameproof miniature wall bushing for mining as claimed in claim 3, characterized in that, Limiting blocks (7) are symmetrically fixedly installed on both sides of the hole seat (3), and an adjustment component (8) is slidably arranged inside the limiting block (7).

5. A flameproof miniature wall bushing for mining as claimed in claim 4, characterized in that, The limiting strip (6) has a second slot (16) and the limiting block (7) has a cylindrical groove (25) and a cross groove (20) connected to each other.

6. A flameproof miniature wall bushing for mining use according to claim 5, characterized in that, The adjustment component (8) includes a handle (23), a connecting post (22), and a second locking block (21); the connecting post (22) is slidably disposed in the cylindrical groove (25), the second locking block (21) is disposed in the cross-shaped groove (20), the connecting post (22) is fixedly connected to the second locking block (21), and the handle (23) is fixedly connected to the end of the connecting post (22).

7. A flameproof miniature wall bushing for mining use according to claim 6, characterized in that, The adjustment component (8) also includes a spring (24), one end of which is fixedly connected to the limiting block (7), and the other end is fixedly connected to the end of the connecting post (22) near the second locking block (21).

8. A flameproof miniature wall bushing for mining as claimed in claim 6, characterized in that, The vertical direction of the cross-shaped groove (20) passes through the limiting block (7) and communicates with the outside, while the horizontal direction is only set within the limiting block (7).

9. A mining explosion-proof miniature through-wall terminal according to claim 6, characterized in that, The second card block (21) matches the second card slot (16).

10. A mining explosion-proof miniature through-wall terminal according to claim 1, characterized in that, The mounting sleeve (1) has auxiliary mounting plates (5) fixedly installed on both sides.

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