CN219394036U

CN219394036U - Plugging cap for wire inlet and outlet holes of low-voltage distribution box

Info

Publication number: CN219394036U
Application number: CN202320329593.0U
Authority: CN
Inventors: 李云龙; 杨文华; 訾东升
Original assignee: State Grid Henan Power Co Qinyang Power Supply Co
Current assignee: State Grid Henan Power Co Qinyang Power Supply Co
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-07-21
Anticipated expiration: 2033-02-27

Abstract

The utility model relates to a plugging cap for a wire inlet and outlet hole of a low-voltage distribution box, which belongs to the technical field of low-voltage distribution box accessories and comprises a plurality of combination blocks, wherein the combination blocks are spliced into the plugging cap, the outer wall of the plugging cap is matched with the inner wall of the wire inlet and outlet hole of the low-voltage distribution box, symmetrical semicircular through grooves are arranged on two sides of each combination block, and two semicircular through grooves of adjacent combination blocks form a circular through hole. One end of the plugging cap is cylindrical and matched with the inner wall of the wire inlet and outlet holes of the low-voltage distribution box, the other end of the plugging cap is conical with gradually smaller diameter, and the conical end of the plugging cap is connected with a locking piece. According to the utility model, each cable passes through the corresponding through hole, and no gap exists between the cables of the wire inlet and outlet holes of the low-voltage distribution box, so that the cable is better in tightness, convenient to install, high in strength, good in toughness, wear-resistant, ageing-resistant, flame-retardant, attractive, small in size and convenient to use. Low running cost and high economic benefit.

Description

Plugging cap for wire inlet and outlet holes of low-voltage distribution box

Technical Field

The utility model belongs to the technical field of low-voltage distribution box accessories, and particularly relates to a plugging cap for a line inlet and outlet hole of a low-voltage distribution box.

Background

The conventional bench type distribution transformer low-voltage power distribution cabinet, the wire inlet and outlet holes are plugged by adopting traditional materials such as fireproof mud, the plugging materials are easy to be poor in reliability, easy to age and easy to fall off due to heat, so that the low-voltage power distribution cabinet in drilling operation of small animals such as bird damage is caused, fatal damage is generated to safe operation of power equipment, and the equipment operation and maintenance cost is increased. Patent number CN215955716U discloses a sealing structure of a low-voltage distribution box wire inlet, which comprises a box body, wherein a wire inlet cylinder is arranged on the box body, one side of the wire inlet cylinder is provided with a sealing component, and a fixing component is arranged on the wire inlet cylinder and is used for connecting the sealing component and the wire inlet cylinder; the sealing assembly comprises a sealing section, one side of the sealing section is provided with an inserting section matched with the incoming wire barrel, and the sealing section is in through connection with the inserting section. The wire inside the wire inlet barrel can be fixed while the wire inlet barrel is sealed through the arranged sealing assembly. However, when a plurality of cables pass through the sealing assembly, gaps are generated between the cables, and the sealing and fixing effects are poor. Therefore, a plugging cap for an inlet and outlet hole of a low-voltage distribution box is needed to solve the problems.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a plugging cap for a wire inlet and outlet hole of a low-voltage distribution box, which comprises a plurality of combined blocks, wherein the combined blocks are spliced to form the plugging cap, the outer wall of the plugging cap is matched with the inner wall of the wire inlet and outlet hole of the low-voltage distribution box, symmetrical semicircular through grooves are arranged on two sides of the combined blocks, and two semicircular through grooves of adjacent combined blocks form a circular through hole.

Preferably, one end of the plugging cap is cylindrical and matched with the inner wall of the wire inlet and outlet holes of the low-voltage distribution box, the other end of the plugging cap is tapered with gradually smaller diameter, and the tapered end of the plugging cap is connected with a locking piece.

Preferably, the locking piece comprises an elastic transition ring, an external thread pipe and a locking pipe, wherein the elastic transition ring can be a rubber hose or a silica gel hose, one end of the elastic transition ring is fixedly connected with each combination block, the other end of the elastic transition ring is fixedly connected with the external thread pipe, one end of the locking pipe is conical matched with the outer wall of the conical end of the plugging cap, and the other end of the locking pipe is an internal thread pipe matched with the external thread pipe. The arrangement of the position avoids the loss of each combined block, and is convenient for installing the wire inlet and outlet holes of the distribution box and sealing by matching with each cable. Specifically, the external thread pipe and the transition pipe are stretched into the corresponding wire inlet and outlet holes, the locking pipe is located at one end of the external thread pipe, which is far away from the transition ring, the plugging cap is located outside the low-voltage distribution box, the assembly blocks are separated, penetration of cables is facilitated, the cables penetrate into the low-voltage distribution box after stretching into the plugging cap, the locking pipe is rotated to move towards the transition pipe, the conical end of the locking pipe continuously extrudes the conical end of the plugging cap in the moving process, the assembly blocks are continuously tightened and assembled together, the cables can be reasonably arranged in the corresponding through holes respectively in the tightening process, and the plugging cap is continuously plugged into the wire inlet and outlet of the distribution box in the tightening process, so that sealing of the wire inlet and outlet and fixing of the cables are realized.

Preferably, the elastic layers are arranged in the surfaces of the combination blocks, which are in contact with each other, and the semicircular grooves, and can be silica gel layers, and the elastic layers are arranged at the positions, so that the cables can be in tight contact with the through holes, the sealing effect is improved, and the surfaces of the cables are not damaged.

The outer diameter of the plugging cap combined by the combination blocks is matched with the wire inlet and outlet holes of the low-voltage distribution box, the size and the number of the through holes combined by the combination blocks are matched with the size and the number of the incoming cables, the combination blocks are manufactured by a 3D printing technology, and the combination blocks are manufactured by modified TPU materials with high strength, good toughness, wear resistance, aging resistance, flame retardance and attractive appearance, and are high in strength, good in toughness, wear resistance, aging resistance, flame retardance, attractive in appearance, small in size and convenient to use. Low running cost and high economic benefit.

The utility model also comprises other components which can ensure that the plugging cap for the wire inlet and outlet holes of the low-voltage distribution box can be normally used, and the plugging cap is a conventional technical means in the field. In addition, the undefined devices or components of the present utility model are conventional in the art, such as elastic layers, elastic transition rings, etc.

The working principle of the utility model is as follows: when the cable passes through from the business turn over line hole of low voltage distribution box, every cable all passes in the through-hole of the shutoff cap that corresponds, and the outer wall of shutoff cap closely laminates with the inner wall in business turn over line hole, realizes sealedly, and does not have the gap between each cable, and the leakproofness is better.

The utility model has the beneficial effects that each cable passes through the corresponding through hole, and the cables of the wire inlet and outlet holes of the low-voltage distribution box are not provided with gaps, so that the cable sealing device is better in tightness, convenient to install, high in strength, good in toughness, wear-resistant, ageing-resistant, flame-retardant, attractive, small in size and convenient to use. Low running cost and high economic benefit.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is an exploded view of a plugging cap for an inlet and outlet hole of a low-voltage distribution box in embodiment 1 of the present utility model;

FIG. 2 is a front view of the closure cap of the present utility model with the combination blocks together;

FIG. 3 is a partial cross-sectional view of the side of the plugging cap for the access port of the low voltage distribution box in example 2;

FIG. 4 is a state diagram of the occluding cap when the locking tube of FIG. 3 is unlocked;

fig. 5 is a schematic view of the occluding cap of fig. 2 having an elastic layer.

In the figure: 1. a combination block; 2. a through hole; 3. an elastic transition ring; 4. locking the tube; 5. an external threaded tube; 6. an internally threaded tube; 7. an elastic layer; 8. a semicircular groove.

Detailed Description

The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.

Example 1

As shown in fig. 1, 2 and 5, the utility model provides a plugging cap for a line inlet and outlet hole of a low-voltage distribution box, which comprises a plurality of combined blocks 1, wherein the combined blocks 1 are spliced to form the plugging cap, the outer wall of the plugging cap is matched with the inner wall of the line inlet and outlet hole of the low-voltage distribution box, symmetrical semicircular through grooves 8 are arranged on two sides of the combined blocks 1, and two semicircular through grooves 8 of adjacent combined blocks 1 form a circular through hole 2.

The elastic layer 7 is arranged in the surface of each combined block 1, which is in contact with each other, and the semicircular groove 8, the elastic layer 7 is a silica gel layer, and the elastic layer is arranged at the position, so that the cable is in close contact with the through hole 2, the sealing effect is improved, and the surface of the cable is not damaged.

Example 2

As shown in fig. 2-5, the utility model provides a plugging cap for a line inlet and outlet hole of a low-voltage distribution box, which comprises a plurality of combined blocks 1, wherein the combined blocks 1 are spliced to form the plugging cap, the outer wall of the plugging cap is matched with the inner wall of the line inlet and outlet hole of the low-voltage distribution box, symmetrical semicircular through grooves 8 are arranged on two sides of the combined blocks 1, and two semicircular through grooves 8 of adjacent combined blocks 1 form a circular through hole 2.

One end of the plugging cap is cylindrical and matched with the inner wall of the wire inlet and outlet holes of the low-voltage distribution box, the other end of the plugging cap is conical with gradually smaller diameter, and the conical end of the plugging cap is connected with a locking piece.

The locking piece comprises an elastic transition ring 3, an external thread pipe 5 and a locking pipe 4, wherein the elastic transition ring 3 is a rubber hose or a silica gel hose, one end of the elastic transition ring 3 is fixedly connected with each combined block 1, the other end of the elastic transition ring 3 is fixedly connected with the external thread pipe 5, one end of the locking pipe 4 is a cone matched with the outer wall of the cone-shaped end of the plugging cap, and the other end of the locking pipe 4 is an internal thread pipe 6 matched with the external thread pipe 5. The device has the advantages that the loss of each combined block is avoided, the installation of the wire inlet and outlet holes of the distribution box and the sealing of the cables are facilitated, the external thread pipe and the transition pipe are stretched into the corresponding wire inlet and outlet holes, the locking pipe is located at one end of the external thread pipe, which is far away from the transition ring, of the external thread pipe, the plugging cap is located outside the low-voltage distribution box, the combined blocks are in a separated state, the cables are convenient to penetrate, the cables stretch into the plugging cap and then penetrate out of the external thread pipe into the low-voltage distribution box, then the locking pipe is rotated to move towards the transition pipe, the conical end of the locking pipe continuously extrudes the conical end of the plugging cap in the moving process, the combined blocks are continuously tightened and combined together, the cables can be reasonably arranged in the corresponding through holes in the tightening process, the plugging cap is continuously plugged into the wire inlet and outlet of the distribution box, and the sealing of the wire inlet and outlet ports and the fixing of the cables are realized.

The outer diameter of the plugging cap combined by the combination blocks is matched with the wire inlet and outlet holes of the low-voltage distribution box, the size and the number of the through holes combined by the combination blocks are matched with the size and the number of the incoming cables, the combination blocks are manufactured by a 3D printing technology, and the combination blocks are manufactured by adopting modified TPU materials with high strength, good toughness, wear resistance, aging resistance, flame retardance and attractive appearance, and are high in strength, good in toughness, wear resistance, aging resistance, flame retardance, attractive in appearance, small in size and convenient to use. Low running cost and high economic benefit.

The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a low voltage distribution box business turn over line hole shutoff cap, includes a plurality of combination piece, its characterized in that: the plurality of combined blocks are spliced into a plugging cap, the outer wall of the plugging cap is matched with the inner wall of the wire inlet and outlet holes of the low-voltage distribution box, symmetrical semicircular through grooves are formed in two sides of each combined block, and two semicircular through grooves of adjacent combined blocks form a circular through hole.

2. The low voltage distribution box access hole plugging cap according to claim 1, wherein: one end of the plugging cap is cylindrical and matched with the inner wall of the wire inlet and outlet holes of the low-voltage distribution box, the other end of the plugging cap is conical with gradually smaller diameter, and the conical end of the plugging cap is connected with a locking piece.

3. The low voltage distribution box access hole plugging cap according to claim 2, wherein: the locking piece comprises an elastic transition ring, an external thread pipe and a locking pipe, one end of the elastic transition ring is fixedly connected with each combination block, the other end of the elastic transition ring is fixedly connected with the external thread pipe, one end of the locking pipe is conical matched with the outer wall of the conical end of the plugging cap, and the other end of the locking pipe is an internal thread pipe matched with the external thread pipe.

4. The low voltage distribution box access hole plugging cap according to claim 1, wherein: elastic layers are arranged in the surfaces of the combination blocks which are contacted with each other and the semicircular grooves.