CN216086128U

CN216086128U - Cold shrinkage pipe convenient for protecting feeder line joint

Info

Publication number: CN216086128U
Application number: CN202122666007.5U
Authority: CN
Inventors: 曹森
Original assignee: Beijing Jinxin Technology Development Co ltd
Current assignee: Beijing Jinxin Technology Development Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-18
Anticipated expiration: 2031-11-03

Abstract

The utility model relates to the field of line joint protection, in particular to a cold-shrink tube convenient for protecting a feeder line joint. This kind of convenience is to shrinkage pipe of feeder joint protection, first sealed tube and second sealed tube that sets up respectively through elasticity shrinkage pipe inner wall both ends, make wireless communication basic station and other exposed coaxial cable junction can obtain dual waterproof sealing, the waterproof sealing nature that the clay is excellent has good compatibility with the elasticity shrinkage pipe of silica gel material, and the setting of arc terminal surface, elasticity shrinkage pipe laminating is more inseparable, and the elasticity shrinkage pipe of silica gel material has outstanding outdoor weatherability, the cooperation of spiral cutting groove and ant line hole seted up through the stay tube outer wall, make to draw the core rope and can take out the stay tube layer upon layer as the band structure, take it out fast.

Description

Cold shrinkage pipe convenient for protecting feeder line joint

Technical Field

The utility model relates to the field of protection of a line connector, in particular to a cold-shrink tube convenient for protecting a feeder line connector.

Background

The feeder line joint cold-shrink protection tube is a common sealing material in wireless base station antenna feeder line sealing, and the existing feeder line joint cold-shrink protection tube structure is mostly of a straight tube type, and is formed by placing a rubber tube on a tubular support after expanding the diameter of the rubber tube, and the tubular support is taken out when the feeder line joint cold-shrink protection tube is used, so that the rubber tube is attached to a feeder line joint.

The following problems in the prior art are not well solved: 1. when the existing cold shrink tube is installed, sponge or filling daub is required to be pre-filled on a feeder line, the process is more, the operation is inconvenient in places where the feeder line is densely installed, the filler has a certain thickness, and the shrinkage part of the inner wall of the cold shrink protection tube cannot be tightly attached to the filler; 2. and the cold-shrink tube is attached to the tubular support piece, the tubular support piece is always in a stressed state, the tubular support piece is easy to crack due to insufficient material strength, the cold-shrink tube shrinks, subsequent installation is not facilitated, and the tubular support piece with overlarge strength is inconvenient to subsequently pull out.

Disclosure of Invention

The utility model aims to provide a cold-shrink tube which is convenient for protecting a feeder line joint, and aims to solve the problems that the existing cold-shrink tube in the background art has more installation procedures and the tubular support piece in the cold-shrink tube has lower strength and is difficult to draw out. In order to achieve the purpose, the utility model provides the following technical scheme: a cold shrink tube convenient for protecting a feeder line joint comprises an elastic cold shrink tube, wherein a first sealing tube and a second sealing tube are movably sleeved in the elastic cold shrink tube respectively, and a supporting structure is movably sleeved in the first sealing tube and the second sealing tube;

the supporting structure comprises a supporting pipe, the supporting pipe is movably sleeved in the first sealing pipe and the second sealing pipe, the outer wall of the supporting pipe is provided with a spiral cutting groove, one side of the bottom edge of the supporting pipe is fixedly connected with a pulling core rope, and one side of the inner wall of the supporting pipe is slidably clamped with a reinforcing positioning strip.

Preferably, the number of the reinforcing and positioning strips is two, sliding grooves penetrating through the upper end and the lower end of the supporting pipe are formed in the opposite side of the inner wall of the supporting pipe, and the two reinforcing and positioning strips are respectively connected in the two sliding grooves in a sliding mode.

Preferably, ant wire holes penetrating through the inner wall of the support tube are formed in one side of the spiral cutting groove at equal intervals, and the core pulling rope is arranged close to the tail end of the spiral cutting groove.

Preferably, the length of the reinforced positioning strip is 1.3 times of the length of the support tube, and the two reinforced positioning strips are arranged on the inner wall of the support tube in an axisymmetric manner by taking the center line of the front surface of the support tube as the axis.

Preferably, the elastic cold-shrink tube is made of an elastic silicone tube, and the first sealing tube and the second sealing tube are respectively arranged at two ends of the inner wall of the elastic cold-shrink tube.

Preferably, the edges at the two ends of the outer wall of the first sealing pipe and the outer wall of the second sealing pipe are provided with arc-shaped end faces, and the first sealing pipe and the second sealing pipe are made of cement pipes.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the first sealing pipe and the second sealing pipe which are respectively arranged at two ends of the inner wall of the elastic cold shrink pipe, the wireless communication base station and other exposed coaxial cable joints can obtain double waterproof sealing, the excellent waterproof sealing performance of the daub and the elastic cold shrink pipe made of the silica gel material have good compatibility, and the arrangement of the arc-shaped end surface enables the elastic cold shrink pipe to be more tightly attached to the first sealing pipe and the second sealing pipe, and the elastic cold shrink pipe made of the silica gel material has excellent outdoor weather resistance, simple structure and higher practicability.

According to the utility model, the spiral cutting groove formed in the outer wall of the supporting tube is matched with the ant wire hole, so that the supporting tube can be pulled out layer by layer to form a belt-shaped structure by pulling the core rope, the belt-shaped structure is quickly pulled out, the belt-shaped structure is particularly suitable for narrow spaces, the operation is simple and convenient, the installation cost is saved, meanwhile, the arrangement of the positioning strip is enhanced, the supporting property in the supporting structure is improved, and the supporting tube is prevented from being broken due to the influence of the elastic cold-shrink tube.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a perspective view of the structural support structure of the present invention;

FIG. 3 is a front cross-sectional view of the structure of the present invention;

fig. 4 is a side view of the structural support tube of the present invention.

In the figure: 1. an elastic cold shrink tube; 2. a first seal tube; 3. a second sealed tube; 4. a support structure; 401. supporting a tube; 402. spirally cutting a groove; 403. pulling the core rope; 404. reinforcing the positioning strip; 5. an arc end surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a cold-shrink tube convenient for protecting a feeder line joint comprises an elastic cold-shrink tube 1, wherein a first sealing tube 2 and a second sealing tube 3 are movably sleeved in the elastic cold-shrink tube 1 respectively, and a supporting structure 4 is movably sleeved in the first sealing tube 2 and the second sealing tube 3;

the supporting structure 4 comprises a supporting pipe 401, the supporting pipe 401 is movably sleeved in the first sealing pipe 2 and the second sealing pipe 3, a spiral cutting groove 402 is formed in the outer wall of the supporting pipe 401, a core pulling rope 403 is fixedly connected to one side of the bottom edge of the supporting pipe 401, and a reinforcing positioning strip 404 is connected to one side of the inner wall of the supporting pipe 401 in a sliding and clamping mode.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the number of the reinforcing positioning bars 404 is two, the opposite sides of the inner wall of the supporting tube 401 are both provided with sliding grooves penetrating through the upper end and the lower end of the supporting tube, and the two reinforcing positioning bars 404 are respectively connected in the two sliding grooves in a sliding manner.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, ant wire holes penetrating through the inner wall of the support tube 401 are equidistantly formed in one side of the spiral cutting groove 402, the pulling core rope 403 is disposed near the end of the spiral cutting groove 402, and the spiral cutting groove 402 formed in the outer wall of the support tube 401 is matched with the ant wire holes, so that the pulling core rope 403 can pull the support tube 401 out layer by layer into a belt-shaped structure to be quickly pulled out, which is particularly suitable for a narrow space, and is easy and convenient to operate, thereby saving the installation cost, and meanwhile, the arrangement of the positioning strip 404 is strengthened, thereby improving the support performance inside the support structure 4, and preventing the support tube 401 from being broken due to the influence of the elastic cold shrink tube 1.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the length of the reinforcing positioning bar 404 is 1.3 times the length of the support tube 401, and two reinforcing positioning bars 404 are arranged on the inner wall of the support tube 401 in an axisymmetric manner with the center line of the front surface thereof as a connecting piece.

In this embodiment, as shown in fig. 1 and fig. 3, the elastic cold shrinkable tube 1 is made of an elastic silicone tube, and the first sealing tube 2 and the second sealing tube 3 are respectively disposed at two ends of the inner wall of the elastic cold shrinkable tube 1.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the edges at both ends of the outer walls of the first sealing pipe 2 and the second sealing pipe 3 are both provided with arc-shaped end faces 5, and the first sealing pipe 2 and the second sealing pipe 3 are made of cement rubber, the first sealing pipe 2 and the second sealing pipe 3 are respectively arranged at both ends of the inner wall of the elastic cold shrink pipe 1, so that the wireless communication base station and other exposed coaxial cable joints can obtain dual waterproof sealing, the excellent waterproof sealing performance of cement rubber has good compatibility with the elastic cold shrink pipe 1 made of silica gel material, and the arc-shaped end faces 5 are arranged, so that the elastic cold shrink pipe 1 is more tightly attached to the first sealing pipe 2 and the second sealing pipe 3, and the elastic cold shrink pipe 1 made of silica gel material has excellent outdoor weather resistance, and is simple in structure and higher in practicability.

The use method and the advantages of the utility model are as follows: this kind of convenience is when using to the shrinkage pipe of feeder joint protection, the working process as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the cold shrink tube is firstly sleeved at the cable connection, the support tube 401 is pulled out layer by layer into a belt-shaped structure under the matching of the spiral cutting groove 402 and the ant wire hole when the core-pulling rope 403 is pulled out, the support tube is separated from the elastic cold shrink tube 1, and the two reinforcing positioning strips 404 can be pulled out simultaneously.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a convenient cold shrink pipe to feeder joint protection, includes elasticity cold shrink pipe (1), its characterized in that: a first sealing pipe (2) and a second sealing pipe (3) are movably sleeved in the elastic cold shrinkage pipe (1) respectively, and a supporting structure (4) is movably sleeved in the first sealing pipe (2) and the second sealing pipe (3);

the supporting structure (4) comprises a supporting pipe (401), the supporting pipe (401) is movably sleeved in a first sealing pipe (2) and a second sealing pipe (3), a spiral cutting groove (402) is formed in the outer wall of the supporting pipe (401), a core pulling rope (403) is fixedly connected to one side of the bottom edge of the supporting pipe (401), and a reinforcing positioning strip (404) is connected to one side of the inner wall of the supporting pipe (401) in a sliding clamping mode.

2. A cold shrink tube to facilitate protection of a feeder joint as set forth in claim 1, wherein: the number of the reinforcing positioning strips (404) is two, sliding grooves penetrating through the upper end and the lower end of the supporting tube (401) are formed in the opposite side of the inner wall of the supporting tube, and the two reinforcing positioning strips (404) are respectively connected in the two sliding grooves in a sliding mode.

3. A cold shrink tube to facilitate protection of a feeder joint as set forth in claim 1, wherein: ant wire holes penetrating through the inner wall of the support tube (401) are formed in one side of the spiral cutting groove (402) at equal intervals, and the core pulling rope (403) is arranged close to the tail end of the spiral cutting groove (402).

4. A cold shrink tube to facilitate protection of a feeder joint as set forth in claim 1, wherein: the length of the reinforcing positioning strips (404) is 1.3 times of that of the support tube (401), and the two reinforcing positioning strips (404) are arranged on the inner wall of the support tube (401) in an axisymmetric manner by taking the center line of the front surface of the support tube as an axis.

5. A cold shrink tube to facilitate protection of a feeder joint as set forth in claim 1, wherein: the material of elasticity cold shrink pipe (1) is the elasticity silicone tube, first sealed tube (2) and second sealed tube (3) set up respectively at the both ends of elasticity cold shrink pipe (1) inner wall.

6. A cold shrink tube to facilitate protection of a feeder joint as set forth in claim 1, wherein: arc-shaped end faces (5) are arranged at the edges of the two ends of the outer walls of the first sealing pipe (2) and the second sealing pipe (3), and the first sealing pipe (2) and the second sealing pipe (3) are made of cement pipes.