WO2022099629A1

WO2022099629A1 - High-strength cpvc cable protection pipe

Info

Publication number: WO2022099629A1
Application number: PCT/CN2020/128758
Authority: WO
Inventors: 王其雨
Original assignee: 盐城市瑞通塑胶有限公司
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2022-05-19

Abstract

A high-strength CPVC cable protection pipe, comprising a first pipe body (1) and a second pipe body (2), wherein one end of the first pipe body (1) is provided with an internal thread (7), one end of the second pipe body (2) is provided with an external thread (6), the first pipe body (1) and the second pipe body (2) are in threaded connection by means of the internal thread (7) and the external thread (6), and a sealing ring (5) is arranged at the joint between the first pipe body (1) and the second pipe body (2); and a first clamping member (3) is sleeved on the outer surface wall of the first pipe body (1), a second clamping member (4) is sleeved on the outer surface wall of the second pipe body (2), partition plates (8) are arranged in the first pipe body (1) and the second pipe body (2), and the partition plates (8) partition the interiors of the first pipe body (1) and the second pipe body (2) into wire grooves (9). The cable protection pipe is provided with the first pipe body (1), the second pipe body (2), the first clamping member (3), the second clamping member (4), the sealing ring (5), the internal thread (7) and the external thread (6), and threaded connection is used, such that not only are the installation and the maintenance more convenient, but time is also saved, thereby improving the cable laying efficiency.

Description

A high-strength CPVC cable protection tube

technical field

The utility model relates to the technical field of electric power engineering, in particular to a high-strength CPVC cable protection tube.

Background technique

Cable protection tube refers to a metal protection tube with a certain mechanical strength that is laid on the outer layer of the cable in order to prevent the cable from being damaged. Communication cables and steel wire ropes are charged to protect cables, switches and core boards, so that the whole machine is not burned out, and it also plays a certain role in isolating the magnetic field interference of power lines.

However, in the current cable protection tubes on the market, multiple cables are generally sheathed inside the protection tube, and there is no isolation plate between the cables. When one cable is damaged and leaks, it is easy to burn the remaining cables, causing unnecessary losses. The maintenance cost is increased, and the connection of the protection tube is generally welded by equipment, which is not only troublesome to install and repair, but also wastes time and affects the efficiency of cable laying.

Utility model content

The purpose of the utility model is to propose a high-strength CPVC cable protection tube in order to solve the shortcomings existing in the prior art.

In order to achieve the above purpose, the present invention adopts the following technical scheme: a high-strength CPVC cable protection pipe, comprising a first pipe body and a second pipe body, one end of the first pipe body is provided with an internal thread, and the first pipe body is provided with an internal thread. One end of the two pipe bodies is provided with an external thread, the first pipe body and the second pipe body are connected by the internal thread and the external thread thread, and a sealing ring is provided at the connection between the first pipe body and the second pipe body. The outer wall of the first tube body is sleeved with a first clip, the outer wall of the second tube body is sleeved with a second clip, and the interior of the first tube body and the second tube body is provided with a partition plate, And the inside of the first pipe body and the second pipe body is separated by a partition plate with a wire groove, and a cable is arranged in the wire groove, and the cable is insulated by a PVC sheath, a steel belt, an isolation sleeve, and a cross-linked polyethylene. layer, an insulating sheath and a wire, the polyvinyl chloride sheath is internally sheathed with a steel strip, the steel strip is internally sheathed with an isolation sleeve, and the isolation sleeve is filled with a cross-linked polyethylene insulating layer. A wire is arranged in the polyethylene insulating layer, and the outer wall of the wire is sleeved with an insulating layer.

Preferably, the structures of the first clamping part and the second clamping part are the same, and the outer walls of the first clamping part and the second clamping part are both provided with hexagonal grooves.

Preferably, the number of the wire grooves is 7, and the 7 wire grooves are distributed inside the first pipe body and the second pipe body in a honeycomb array.

Preferably, the sealing ring is annular.

Preferably, the external thread is adapted to the internal thread.

Preferably, the first tube body and the second tube body are both cylindrical bodies with a hollow center.

In the utility model, compared with the prior art, it has the following beneficial effects:

1. The utility model is provided with a first pipe body, a second pipe body, a first clamp, a second clamp, a sealing ring, an inner thread and an outer thread, and the first clamp and the second clamp are pulled by a wrench, The first clamping piece drives the first pipe body to rotate, and the second clamping piece drives the second pipe body to rotate, so that the outer thread of one end of the second pipe body is turned into the inner thread of the first pipe body, and the first pipe body and the The second pipe body is installed, and the sealing ring can seal the connection between the first pipe body and the second pipe body. The threaded connection not only facilitates installation and maintenance, but also saves time and improves cable laying efficiency.

2. The utility model is provided with a first pipe body, a second pipe body, a clapboard, a wire groove and a cable. The interior of the first pipe body and the second pipe body is separated by a clapboard, and the cable penetrates into the wire groove and can pass through the The partition is used for isolation. When one cable is damaged and leaks, the remaining cables will not be burned, which reduces the loss and ensures the maintenance cost.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged schematic diagram at A place in Fig. 1 of the utility model;

Figure 3 is a side sectional view of the utility model;

FIG. 4 is an enlarged schematic view of the position B in FIG. 3 of the present utility model.

In the figure: 1, the first pipe body; 2, the second pipe body; 3, the first clip; 4, the second clip; 5, the sealing ring; 6, the external thread; 7, the internal thread; ; 9, trunking; 10, PVC sheath; 11, steel strip; 12, isolation sleeve; 13, XLPE insulating layer; 14, insulating sleeve; 15, wire; 16, cable.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-4 , the present utility model provides a technical solution: a high-strength CPVC cable protection tube, comprising a first tube body 1 and a second tube body 2 , and one end of the first tube body 1 is provided with a Internal thread 7, one end of the second pipe body 2 is provided with an external thread 6, the first pipe body 1 and the second pipe body 2 are threadedly connected by the internal thread 7 and the external thread 6, and the first pipe body 1 and the second pipe body are 2 is provided with a sealing ring 5, the outer wall of the first pipe body 1 is sleeved with a first clamp 3, the outer wall of the second pipe body 2 is sleeved with a second clamp 4, the first pipe body 1 and the The interior of the second pipe body 2 is provided with a partition plate 8. The partition plate 8 can isolate the interior of the first pipe body 1 and the second pipe body 2, and the interior of the first pipe body 1 and the second pipe body 2 pass through the spacer The board 8 is separated by a wire slot 9, and a cable 16 is arranged in the wire slot 9. The cable 16 is composed of a PVC sheath 10, a steel strip 11, an isolation sleeve 12, a cross-linked polyethylene insulating layer 13, an insulating sleeve 14 and a wire 15. , the polyvinyl chloride sheath 10 is internally sleeved with a steel belt 11, the steel belt 11 can protect the cable 16, so that the cable 16 is not easily damaged by pulling, the steel belt 11 is sleeved with an isolation sleeve 12, and the isolation sleeve 12 is filled with The cross-linked polyethylene insulating layer 13 is provided with a wire 15 in the cross-linked polyethylene insulating layer 13, and the outer wall of the wire 15 is sleeved with an insulating layer.

In this embodiment, preferably, the structures of the first clamping member 3 and the second clamping member 4 are the same, and the outer walls of the first clamping member 3 and the second clamping member 4 are both provided with hexagonal grooves, which are provided with hexagonal grooves. It is convenient to pull the first clip 3 and the second clip 4 with a wrench.

In this embodiment, preferably, the number of the wire grooves 9 is 7, and the 7 wire grooves 9 are distributed inside the first pipe body 1 and the second pipe body 2 in a honeycomb array, and the wire grooves 9 are arranged in a honeycomb shape. The supporting strength of the first tube body 1 and the second tube body 2 .

In this embodiment, preferably, the sealing ring 5 is annular, and the sealing ring 5 can seal the connection between the first pipe body 1 and the second pipe body 2 .

In this embodiment, preferably, the external thread 6 is matched with the internal thread 7 , and the first pipe body 1 and the second pipe body 2 are easily installed by the external thread 6 and the internal thread 7 .

In this embodiment, preferably, both the first tube body 1 and the second tube body 2 are cylindrical bodies with a hollow center, so that the first tube body 1 and the second tube body 2 are subjected to more uniform force and are not easily damaged.

Working principle: When in use, the first clamp 3 and the second clamp 4 are pulled by a wrench, the first clamp 3 drives the first pipe body 1 to rotate, and the second clamp 4 drives the second pipe body 2 to rotate, so that the first clamp 3 rotates. The outer thread 6 of one end of the second pipe body 2 is turned into the inner thread 7 of the first pipe body 1, and the first pipe body 1 and the second pipe body 2 can be installed, and the sealing ring 5 can be used for the first pipe body 1. The connection with the second pipe body 2 is sealed, the interior of the first pipe body 1 and the second pipe body 2 are separated by the partition plate 8, and the cable 16 penetrates into the wire groove 9, which can be isolated by the partition plate 8. When the cable 16 is damaged and leaks, the remaining cables 16 will not be burned.

The above-described embodiments are only for illustrating the technical concept and characteristics of the present utility model, and its purpose is to allow those who are familiar with the technology to understand the content of the present utility model and implement accordingly, and cannot limit the scope of protection of the present utility model with this. Equivalent changes or modifications made according to the spirit and spirit of the present invention should all be included within the protection scope of the present invention.

Claims

A high-strength CPVC cable protection pipe, comprising a first pipe body (1) and a second pipe body (2), characterized in that: one end of the first pipe body (1) is provided with an inner thread (7), so One end of the second pipe body (2) is provided with an external thread (6), and the first pipe body (1) and the second pipe body (2) are threadedly connected by the internal thread (7) and the external thread (6), And a sealing ring (5) is provided at the connection between the first pipe body (1) and the second pipe body (2), and a first clip (3) is sleeved on the outer wall of the first pipe body (1), The outer wall of the second pipe body (2) is sleeved with a second clip (4), and the interior of the first pipe body (1) and the second pipe body (2) is provided with a partition plate (8), And the inside of the first pipe body (1) and the second pipe body (2) are separated by a partition plate (8) with a wire groove (9), and a cable (16) is arranged in the wire groove (9). (16) consists of a polyvinyl chloride sheath (10), a steel strip (11), an isolation sleeve (12), a cross-linked polyethylene insulating layer (13), an insulating sleeve (14) and a wire (15). The vinyl chloride sheath (10) is internally sheathed with a steel strip (11), the steel strip (11) is internally sheathed with an isolation sleeve (12), and the isolation sleeve (12) is filled with a cross-linked polyethylene insulating layer (13), the cross-linked polyethylene insulating layer (13) is provided with a wire (15), and the outer wall of the wire (15) is sleeved with an insulating layer.
A high-strength CPVC cable protection tube according to claim 1, characterized in that: the first clamping part (3) and the second clamping part (4) have the same structure, and the first clamping part (3) and the second clamping part (4) have the same structure. The outer walls of the second clips (4) are all provided with hexagonal grooves.
The high-strength CPVC cable protection tube according to claim 1, characterized in that: the number of the wire grooves (9) is 7, and the 7 wire grooves (9) are distributed in the first tube in a honeycomb array. body (1) and the interior of the second pipe body (2).
A high-strength CPVC cable protection tube according to claim 1, characterized in that: the sealing ring (5) is annular.
The high-strength CPVC cable protection tube according to claim 1, wherein the outer thread (6) is adapted to the inner thread (7).
The high-strength CPVC cable protection tube according to claim 1, wherein the first tube body (1) and the second tube body (2) are both cylindrical bodies with hollow centers.