CN216119660U

CN216119660U - Flexible flame-retardant coaxial cable

Info

Publication number: CN216119660U
Application number: CN202122056817.9U
Authority: CN
Inventors: 莫柳清
Original assignee: Shenzhen Tianju Keli Communication Cable Co ltd
Current assignee: Shenzhen Tianju Keli Communication Cable Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-22
Anticipated expiration: 2031-08-27

Abstract

The utility model relates to the technical field of cables, in particular to a flexible flame-retardant coaxial cable which comprises a cable body, a protective sleeve, a support, a flame-retardant layer, a pressure-resistant layer, a buffer layer, a waterproof layer and a corrosion-resistant layer, wherein the cable is arranged in the protective sleeve, the support is provided with limiting rings, the limiting rings are uniformly arranged in a plurality of groups, the flexible flame-retardant coaxial cable is provided with the limiting rings on the support, the cable with the protective sleeve is arranged in the limiting rings, the cable is convenient to assemble, the flame-retardant layer is arranged on the outer side of the protective sleeve to prevent the cable body from catching fire, a first buffer cavity and a second buffer cavity are arranged on the inner side of the buffer layer, buffer holes with buffer cushions are arranged in the first buffer cavity and the second buffer cavity to provide good buffer protection conveniently, the corrosion-resistant layer is arranged on the outer side of the cable body, and corrosion-resistant coating is arranged on the outer side of the corrosion-resistant layer, the cable body is conveniently guaranteed to have good corrosion-resistant effect.

Description

Flexible flame-retardant coaxial cable

Technical Field

The utility model relates to the technical field of cables, in particular to a flexible flame-retardant coaxial cable.

Background

As is well known, coaxial cables are used for the transmission of analog and digital signals and are suitable for a wide variety of applications, the most important of which are television transmissions, long distance telephone transmissions, short distance connections between computer systems, and local area networks. Coaxial cables are rapidly evolving as a means of transmitting television signals to thousands of households, namely cable televisions. A cable television system may carry tens or even hundreds of television channels, which may range up to tens of kilometers. Coaxial cables have long been an important component of long distance telephone networks. Today, it is facing increasingly intense competition from optical fiber, terrestrial microwave and satellite.

For example, the patent publication "CN 205318870U" is named as: the utility model relates to the technical field of cables, in particular to a three-core ultra-flexible cable which comprises cable cores, and an insulating layer, a filling layer and a sheath which are sequentially wrapped on the cable cores from inside to outside, wherein the number of the cable cores is three, each cable core comprises a plurality of twisted wire groups, each twisted wire group is formed by twisting 1 superfine wire group arranged in the center and 6 superfine wire group layers surrounding the center, and each superfine wire group is formed by randomly twisting a plurality of superfine copper wires; the diameter of the cross section of each superfine copper wire is set to be 0.03-0.10 mm. Compared with the prior art, the cable provided by the utility model has the advantages that on one hand, the superfine wires with the diameter of 0.03-0.10mm are adopted, so that the cable core has better flexibility, and on the other hand, the cable with the layer-stranded structure improves the overall flexibility, the tensile strength is up to 15.8MPa through testing, and the elongation at break is up to 186%. "

The existing three-core super-flexible cable is found to have poor equipment support property, poor compression resistance, poor flame retardant effect and poor corrosion resistance in use, so that the use limitation is high.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the flexible flame-retardant coaxial cable with good compression resistance effect and good flame-retardant effect.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a flexible flame-retardant coaxial cable comprises a cable body, a protective sleeve, a bracket, a flame-retardant layer, a pressure-resistant layer, a buffer layer, a waterproof layer and a corrosion-resistant layer, the cable is arranged in the protective sleeve, the bracket is provided with a limiting ring, the limiting rings are arranged into a plurality of groups which are uniformly distributed, the protective sleeve is arranged in the limiting ring, the flame-retardant layer is wrapped on the periphery of the bracket, the flame-retardant layer, the pressure-resistant layer, the waterproof layer and the corrosion-resistant layer are sequentially connected from inside to outside, the inner side of the pressure resistant layer is provided with a first buffer cavity which is arranged into a plurality of groups which are uniformly distributed, the first buffer cavity is arranged between the limiting rings, the outer side of the pressure-resistant layer is provided with a second buffer cavity, the second buffer cavity sets up to multiunit evenly arranged, the buffer layer sets up between second buffer cavity and the waterproof layer.

In order to provide good buffering protection conveniently, the utility model improves that buffering cushions are arranged in the first buffering cavity and the second buffering cavity.

Furthermore, in order to provide buffering and pressure-resistant protection conveniently, the utility model has the improvement that a plurality of groups of buffering holes are arranged in the buffering cushion.

In order to ensure that the cable body has a good flame-retardant effect, the utility model has the improvement that the flame-retardant layer is made of mica tape.

In order to ensure that the cable body has good flame retardance and good flexibility, the pressure-resistant layer is made of vulcanized rubber.

In order to ensure that the cable body has good corrosion resistance, the utility model has the improvement that the corrosion-resistant coating is arranged outside the corrosion-resistant layer.

In order to provide a good protection effect conveniently, the utility model has the improvement that a protective metal net is arranged between the waterproof layer and the corrosion-resistant layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a flexible flame-retardant coaxial cable which has the following beneficial effects:

this fire-retardant coaxial cable of softness is provided with the spacing collar on the support, and the cable setting that has the protective sheath is in the spacing collar, and the cable of conveniently assembling is provided with fire-retardant layer in the protective sheath outside, prevents that the cable body from catching fire, is provided with first buffering cavity and second buffering cavity at the buffer layer inboard, is provided with the buffering hole that has the blotter in first buffering cavity and the second buffering cavity, conveniently provides good buffering protection.

This fire-retardant coaxial cable of softness is provided with the corrosion-resistant layer in the cable body outside, and the corrosion-resistant layer outside is provided with corrosion-resistant coating, conveniently guarantees that the cable body has good corrosion-resistant effect.

This fire-retardant coaxial cable of softness is provided with the protection metal mesh between buffer layer and corrosion-resistant layer, prevents that the cable body from receiving the damage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partially enlarged view of FIG. 1 according to the present invention.

In the figure: 1. a cable; 2. a protective sleeve; 3. a support; 4. a flame retardant layer; 5. a pressure resistant layer; 6. a buffer layer; 7. a waterproof layer; 8. a corrosion-resistant layer; 9. a limiting ring; 10. a first buffer cavity; 11. a second buffer cavity; 12. a cushion pad; 13. a buffer hole; 14. protecting the metal mesh.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a flexible flame-retardant coaxial cable comprises a cable body, which comprises a cable 1, a protective sleeve 2, a bracket 3, a flame-retardant layer 4, a compression-resistant layer 5, a buffer layer 6, a waterproof layer 7 and a corrosion-resistant layer 8, wherein the cable 1 is arranged in the protective sleeve 2, the bracket 3 is provided with a limiting ring 9, the limiting rings 9 are uniformly arranged in multiple groups, the protective sleeve 2 is arranged in the limiting ring 9, the flame-retardant layer 4 is wrapped around the bracket 3, the flame-retardant layer 4, the compression-resistant layer 5, the waterproof layer 7 and the corrosion-resistant layer 8 are sequentially connected from inside to outside, the inner side of the compression-resistant layer 5 is provided with a first buffer cavity 10, the first buffer cavity 10 is uniformly arranged in multiple groups, the first buffer cavity 10 is arranged between the limiting rings 9, the outer side of the compression-resistant layer 5 is provided with a second buffer cavity 11, the second buffer cavity 11 is uniformly arranged in multiple groups, the buffer layer 6 is arranged between the second buffer cavity 11 and the waterproof layer 7.

The first buffer cavity 10 and the second buffer cavity 11 are provided with buffer pads 12 therein, so as to provide good buffer protection for convenience.

The buffer pad 12 is provided with a plurality of groups of buffer holes 13, and further, for convenience, buffer and compression protection are provided.

The flame-retardant layer 4 is made of mica tape, so that the cable body has a good flame-retardant effect.

Vulcanized rubber refers to vulcanized rubber which has the characteristics of no stickiness, no easy breakage and the like, and most rubber products are made of the rubber. Also known as vulcanized rubber, commonly called rubber or rubber. The rubber material is called after vulcanization processing. The vulcanized raw rubber forms a spatial three-dimensional structure and has high elasticity, heat resistance, tensile strength, insolubility in an organic solvent and the like, and the pressure-resistant layer 5 is made of vulcanized rubber, so that the cable body has good flexibility while the cable body has good flame retardancy.

And the corrosion-resistant coating is arranged on the outer side of the corrosion-resistant layer 8, so that the cable body has good corrosion resistance in order to be convenient to ensure.

A protective metal mesh 14 is arranged between the waterproof layer 7 and the corrosion-resistant layer 8, so that a good protection effect is provided conveniently.

To sum up, this fire-retardant coaxial cable of softness, when using, be provided with spacing collar 9 on the support 3, cable 1 that has protective sheath 2 sets up in spacing collar 9, conveniently assemble cable 1, be provided with fire-retardant layer 4 in the protective sheath 2 outside, prevent that the cable body from catching fire, be provided with first buffering cavity 10 and second buffering cavity 11 at buffer layer 6 inboard, be provided with the buffer hole 13 that has blotter 12 in first buffering cavity 10 and the second buffering cavity 11, conveniently provide good buffer protection, be provided with corrosion-resistant layer 8 in the cable body outside, the corrosion-resistant layer 8 outside is provided with corrosion-resistant coating, conveniently guarantee that the cable body has good corrosion-resistant effect, be provided with protection metal mesh 14 between buffer layer 6 and corrosion-resistant layer 8, prevent that the cable body from receiving the damage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire-retardant coaxial cable of softness, includes the cable body, its characterized in that: comprises a cable (1), a protective sleeve (2), a support (3), flame-retardant layers (4), compression-resistant layers (5), buffer layers (6), a waterproof layer (7) and corrosion-resistant layers (8), wherein the cable (1) is arranged in the protective sleeve (2), the support (3) is provided with a spacing ring (9), the spacing ring (9) is arranged into a plurality of groups to be uniformly arranged, the protective sleeve (2) is arranged in the spacing ring (9), the flame-retardant layers (4) are wrapped on the support (3) in the circumferential direction, the flame-retardant layers (4), the compression-resistant layers (5), the waterproof layer (7) and the corrosion-resistant layers (8) are sequentially connected from inside to outside, a first buffer cavity (10) is arranged on the inner side of the compression-resistant layer (5), the first buffer cavity (10) is arranged into a plurality of groups to be uniformly arranged, and the first buffer cavity (10) is arranged between the spacing rings (9), the outer side of the pressure-resistant layer (5) is provided with a second buffer cavity (11), the second buffer cavities (11) are uniformly arranged in a plurality of groups, and the buffer layer (6) is arranged between the second buffer cavities (11) and the waterproof layer (7).

2. A flexible flame retardant coaxial cable as defined in claim 1, wherein: and buffer pads (12) are arranged in the first buffer cavity (10) and the second buffer cavity (11).

3. A flexible flame retardant coaxial cable as defined in claim 2, wherein: a plurality of groups of buffer holes (13) are arranged in the buffer pad (12).

4. A flexible flame retardant coaxial cable as defined in claim 3, wherein: the flame-retardant layer (4) is made of mica tapes.

5. A flexible flame retardant coaxial cable as in claim 4, wherein: the material of the pressure-resistant layer (5) is vulcanized rubber.

6. A flexible flame retardant coaxial cable as in claim 5, wherein: and the corrosion-resistant coating is arranged on the outer side of the corrosion-resistant layer (8).

7. A flexible flame retardant coaxial cable as defined in claim 6, wherein: and a protective metal net (14) is arranged between the waterproof layer (7) and the corrosion-resistant layer (8).