Concentrator with explosion-proof function

By incorporating an arc-shaped tightening plate and a pressing block structure within the hub, combined with an insulating cover and a sealing plate, the problem of electrical sparks and explosions during hub power connection is solved, achieving a stable connection and convenient docking.

CN223815861UActive Publication Date: 2026-01-20SHANGHAI BAOLIN EXPLOSION-PROOF ELECTRIC CO LTD
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Patent Information

Application Number
CN202520257770.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-01-20
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Hubs are prone to generating electrical sparks and explosions during power connection, which can damage the connection points.

Method used

An explosion-proof hub was designed. By setting an arc-shaped tightening plate and a pressing block structure inside the bakelite box to press the ends of the multi-strand copper core wires, and setting an insulating cover and a sealing plate on the top of the bakelite box to ensure insulation and sealing at the connection.

Benefits of technology

It effectively prevents electrical sparks and explosions, ensures a stable connection and facilitates wire connection, thus improving safety and convenience of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a concentrator with an explosion-proof function, which relates to the technical field of concentrators and comprises a bakelite box, an insulating base plate is fixed on the inner bottom surface of the bakelite box, a butt-joint seat is fixed at the top of the insulating base plate close to the edge of one side, a butt-joint cavity is formed in one side of the butt-joint seat, and the butt-joint cavity is communicated with the butt-joint seat. According to the utility model, the connecting ends of a plurality of strands of copper core stranded wires are inserted into the butt joint cavity, the end parts of the plurality of strands of copper core stranded wires are intensively placed between the inner sides of the two arc-shaped tightening sheets, and then the adjusting bolt is rotated to enable the pressing block to slide downwards, so that the butt joint cavity is closed, and the butt joint cavity is closed. In the sliding process, the two arc-shaped tightening pieces are relatively compressed and tightened through the two arc-shaped restraining pieces, then the end portions of the multiple strands of copper core stranded wires located between the two arc-shaped tightening pieces are pressed tightly, looseness is prevented, the multiple strands of copper core stranded wires are tightly attached to the butt joint portion under the condition that the end portions of the multiple strands of copper core stranded wires are shrunk and pressed tightly, and the butt joint effect is good. And the phenomenon of electric spark explosion can also be prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the concentrator technical field especially, it relates to a concentrator with explosion -proof function. BACKGROUND

[0002] Concentrator belongs to pure hardware network bottom equipment, basically does not have "intelligent memory" ability and "learning" ability similar to switcher. It also does not have the MAC address table that switcher has, so it sends data without targeting, but adopts broadcast mode to send. That is to say when it wants to send data to a node, instead of sending data to the destination node directly, but sends data packet to all nodes connected with concentrator.

[0003] At present, when using concentrator, the power of concentrator needs to be connected with external, and in the process of connecting, the copper core stranded wire of connecting end is scattered and distributed, which is easy to produce electric spark explosion, resulting in damage of its connecting place. UTILITY MODEL CONTENT

[0004] The utility model discloses a concentrator with explosion -proof function to solve prior art problems, and the basic idea of technical scheme adopted by the utility model for solving the above technical problems is:

[0005] A kind of concentrator with explosion -proof function, including bakelite box, the inside bottom surface of the bakelite box is fixed with insulating pad, the top of the insulating pad is fixed with the docking seat near one side edge, the docking seat has docking cavity on one side, the inside bottom surface of the docking cavity is fixed with arc tightening piece near both side edges, the top of two arc tightening pieces is inclined and extends to the upper of docking cavity, the two sides inner wall of the docking cavity is slid even with compression block.

[0006] Optionally, the bottom of the compression block is fixed with arc constraint piece near both side edges, and the bottom of two arc constraint pieces is inclined and extends to one side of arc tightening piece.

[0007] Optionally, the top of the compression block has inner cavity, and the top of the docking seat has adjusting bolt.

[0008] Optionally, the bottom of the adjusting bolt extends to the inside of docking cavity, and is clamped in the inside of inner cavity.

[0009] Optionally, the four side inner walls of the bakelite box are provided with sealing groove near top edge, the top of the bakelite box is provided with insulating cover, the bottom of the insulating cover is fixed with sealing plate, and the sealing plate is clamped in the inside of sealing groove.

[0010] Optionally, a plurality of through holes are formed in the top of the insulating cover and extend through the bottom of the sealing plate, and a plurality of joint ends are formed in the top of the insulating pad, and each of the joint ends extends into the through hole.

[0011] Optionally, a wire connecting hole is formed in one side of the bakelite box and extends into the interior of the bakelite box.

[0012] After the technical scheme is applied, the utility model has the following beneficial effects compared with the prior art, of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below:

[0013] 1、 in the utility model, in actual use, the connecting end of the multi-strand copper core stranded wire is inserted into the interior of the butt joint cavity, and the end portion of the multi-strand copper core stranded wire is placed between the inner sides of the two arc-shaped tightening pieces, then the adjusting bolt is rotated, the compression block slides downward, the two arc-shaped tightening pieces are relatively compressed and tightened by the two arc-shaped constraint pieces in the sliding process, and then the end portion of the multi-strand copper core stranded wire between the two arc-shaped tightening pieces is compressed, so that loosening is prevented, and in the case that the end portion of the multi-strand copper core stranded wire is compressed and tightened, the butt joint part is tightly attached, and the electric spark explosion phenomenon can also be prevented.

[0014] 2、 in the utility model, the insulating cover is arranged on the top of the bakelite box, and the sealing plate is fixed on the bottom of the insulating cover, so that the sealing plate sealing clamp is in the interior of the sealing groove during butt joint, thereby sealing between the bakelite box and the insulating cover, and the joint end extends into the through hole, so that the joint end can be conveniently connected with the external butt joint wire, thereby facilitating use of people. BRIEF DESCRIPTION OF DRAWINGS

[0015] The following description is only some embodiments, and other drawings can be obtained according to the drawings without creative labor for ordinary skilled in the art. In the drawings:

[0016] Figure 1 a top view of the utility model is provided, which is a perspective structural schematic diagram of the concentrator with the explosion-proof function;

[0017] Figure 2 a bottom view of the utility model is provided, which is a perspective structural schematic diagram of the concentrator with the explosion-proof function;

[0018] Figure 3 a front view of the utility model is provided, which is a perspective structural schematic diagram of the butt joint seat in the concentrator with the explosion-proof function;

[0019] Figure 4 a sectional view of the utility model is provided, which is a perspective structural schematic diagram of the butt joint seat in the concentrator with the explosion-proof function.

[0020] The attached diagram lists the components represented by each number as follows:

[0021] 1. Bakelite box; 2. Insulating cover; 3. Through-hole; 4. Sealing groove; 5. Insulating pad; 6. Connector end; 7. Butt seat; 8. Sealing plate; 9. Wire connection port; 10. Butt cavity; 11. Clamping block; 12. Arc-shaped constraint piece; 13. Arc-shaped tightening piece; 14. Adjusting bolt; 15. Inner cavity.

[0022] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings.

[0024] Example 1, as Figures 1-4 As shown, this utility model provides a hub with explosion-proof function: it includes a bakelite box 1, an insulating pad 5 is fixed inside the bakelite box 1, a docking seat 7 is fixed at the top of the insulating pad 5 near one side edge, a docking cavity 10 is formed on one side of the docking seat 7, and arc-shaped tightening pieces 13 are fixed at the bottom surface of the docking cavity 10 near both sides. The tops of the two arc-shaped tightening pieces 13 extend upwards towards the docking cavity 10 at an angle, and there are even pressing blocks 11 sliding between the inner walls of the two sides of the docking cavity 10.

[0025] The effect achieved by the entire embodiment 1 is that, in actual use, the connecting end of the multi-strand copper core wire is inserted into the inside of the docking cavity 10, and the ends of the multi-strand copper core wire are concentrated between the inner sides of the two arc-shaped tightening plates 13. Then, the adjusting bolt 14 is rotated to make the pressing block 11 slide downward. During the sliding process, the two arc-shaped restraining plates 12 compress and tighten the two arc-shaped tightening plates 13 relative to each other, thereby pressing the ends of the multi-strand copper core wire located between the two arc-shaped tightening plates 13 to prevent loosening. Furthermore, when the ends of the multi-strand copper core wire are compressed and tightened, they fit tightly with the docking part, which can also prevent the occurrence of electric spark explosion.

[0026] Example 2, as Figures 1-4As shown, the bottom of the pressing block 11 is fixed with an arc-shaped constraint sheet 12 near the two side edges, the bottom of the two arc-shaped constraint sheets 12 is inclined to extend to one side of the arc-shaped tightening sheet 13, the top of the pressing block 11 is provided with an inner cavity 15, the top of the butt joint seat 7 is provided with an adjusting bolt 14, the bottom of the adjusting bolt 14 extends to the inside of the butt joint cavity 10 and is clamped in the inside of the inner cavity 15, the four side inner walls of the bakelite box 1 are provided with a sealing groove 4 near the top edge, the top of the bakelite box 1 is provided with an insulating cover 2, the bottom of the insulating cover 2 is fixed with a sealing plate 8, the sealing plate 8 is clamped in the inside of the sealing groove 4, the top of the insulating cover 2 is provided with a plurality of through holes 3 penetrating the bottom of the sealing plate 8 at equal intervals, the top of the insulating pad 5 is provided with a plurality of joint ends 6 at equal intervals, the plurality of joint ends 6 extend to the inside of the through holes 3 correspondingly, and one side of the bakelite box 1 is provided with a wire connecting port 9 penetrating the inside of the bakelite box 1.

[0027] The effect achieved by the whole embodiment 2 is that the insulating cover 2 is arranged on the top of the bakelite box 1, then the sealing plate 8 is fixed on the bottom of the insulating cover 2, so that the sealing plate 8 is clamped in the inside of the sealing groove 4 during butt joint, thereby sealing between the bakelite box 1 and the insulating cover 2, the joint end 6 extends to the inside of the through hole 3, so that the joint end 6 can be conveniently connected with the external butt joint wire, thereby facilitating people to use.

[0028] Working principle: in actual use, the connecting end of the plurality of copper core stranded wires is inserted into the inside of the butt joint cavity 10, and the end part of the plurality of copper core stranded wires is placed between the two arc-shaped tightening sheets 13, then the adjusting bolt 14 is rotated, so that the pressing block 11 slides downward, the two arc-shaped tightening sheets 13 are relatively compressed and tightened by the two arc-shaped constraint sheets 12 during the sliding process, thereby the end part of the plurality of copper core stranded wires between the two arc-shaped tightening sheets 13 is compressed, so as to prevent loosening, and in the case of the end part of the plurality of copper core stranded wires being compressed, the end part is tightly attached to the butt joint part, so as to prevent the phenomenon of electric spark explosion, the insulating cover 2 is arranged on the top of the bakelite box 1, then the sealing plate 8 is fixed on the bottom of the insulating cover 2, so that the sealing plate 8 is clamped in the inside of the sealing groove 4 during butt joint, thereby sealing between the bakelite box 1 and the insulating cover 2, the joint end 6 extends to the inside of the through hole 3, so that the joint end 6 can be conveniently connected with the external butt joint wire, thereby facilitating people to use.

[0029] The utility model is not limited to the above-mentioned embodiment, anyone should know that the structural change made under the inspiration of the utility model, any technical scheme with the same or similar technical scheme of the utility model falls into the protection scope of the utility model. The utility model does not describe the technology, shape, structure part in detail, which is the known technology.

Claims

1. A concentrator with anti-explosion function, comprising an electric wood box (1), characterized in that: The inside ground of the bakelite box (1) is fixed with an insulating pad (5), the top of the insulating pad (5) is fixed with a butt joint seat (7) near a side edge, one side of the butt joint seat (7) is provided with a butt joint cavity (10), the inside bottom of the butt joint cavity (10) is fixed with an arc-shaped tightening piece (13) near two side edges, the top of the two arc-shaped tightening pieces (13) extends obliquely upwards of the butt joint cavity (10), and the two side inner walls of the butt joint cavity (10) are slidably provided with a pressing block (11).

2. The hub with the explosion-proof function according to claim 1, characterized in that: The bottom of the pressing block (11) is fixed with an arc-shaped constraint piece (12) near two side edges, and the bottom of the two arc-shaped constraint pieces (12) extends obliquely to one side of the arc-shaped tightening piece (13).

3. The hub with the explosion-proof function according to claim 2, characterized in that: The top of the pressing block (11) is provided with an inner cavity (15), and the top of the butt joint seat (7) is provided with an adjusting bolt (14).

4. The hub with the anti-explosion function according to claim 3, characterized in that: The bottom of the adjusting bolt (14) extends to the inside of the butt joint cavity (10) and is rotationally clamped in the inner cavity (15).

5. The hub with the anti-explosion function according to claim 4, characterized in that: The top edge of the four side inner walls of the bakelite box (1) is provided with a sealing groove (4), the top of the bakelite box (1) is provided with an insulating cover (2), the bottom of the insulating cover (2) is fixed with a sealing plate (8), and the sealing plate (8) is sealingly clamped in the sealing groove (4).

6. The hub with the anti-explosion function according to claim 5, characterized in that: The top of the insulating cover (2) is provided with a plurality of through holes (3) penetrating the bottom of the sealing plate (8) at equal intervals, and the top of the insulating pad (5) is provided with a plurality of joint ends (6) at equal intervals, and the plurality of joint ends (6) correspondingly extend into the through holes (3).

7. The hub with the anti-explosion function according to claim 6, characterized in that: One side of the bakelite box (1) is provided with a wire connecting port (9) penetrating into the inside of the bakelite box (1).