CN209747229U

CN209747229U - Communication cable

Info

Publication number: CN209747229U
Application number: CN201920908545.0U
Authority: CN
Inventors: 林楚明
Original assignee: Guangdong Lianxun Cable Co Ltd
Current assignee: Guangdong Lianxun Cable Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2019-12-06
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses a communication cable, which comprises a cable core and an insulating layer wrapped on the outer side wall of the cable core; a protective layer is arranged on the outer side of the insulating layer; a support block in a Luoluo triangular shape is arranged between the insulating layer and the protective layer; the outer side edge of the supporting block is tangentially connected with the inner side wall of the protective layer; the middle part of the supporting block is provided with a triangular inner cavity; the triangular parts of the inner cavity are respectively provided with a buffer strip; the cable core is arranged in an inner cavity in the middle of the supporting block; the outer side wall of the insulating layer is in tangent connection with the buffer strip. The utility model discloses a structural strength of cable conductor not only can be strengthened to the supporting shoe, still has good buffering effect, and the inner chamber of three horn shapes is convenient for placing of cable core and buffering strip, sets up the buffering effect of effectively strengthening the cable through the triangle structure for the more stable data transmission that carries on of cable.

Description

Communication cable

Technical Field

The utility model relates to the technical field of cables, concretely relates to communication cable.

Background

A communication cable is a cable for transmitting telephone, telegraph, facsimile document, television and radio programs, data and other electric signals, and is a communication line consisting of a core twisted by a plurality of mutually insulated wires or conductors and an outer sheath for protecting the core from moisture and mechanical damage. In particularly harsh environments, protective layers may also be installed on the outside of the telecommunication cable jacket, if necessary. Compared with an overhead open wire, the communication cable has the advantages of large communication capacity, high transmission stability, good confidentiality, less influence of natural conditions and external interference and the like. The communication cable has various laying modes such as overhead, direct-buried, pipeline and underwater, and is divided into symmetrical, coaxial and comprehensive cables according to the structure; it is divided into field operation and permanent cable (underground and submarine cable) according to the function. The buffer material that current communication cable inside was equipped with is filled the volume greatly, and the shock-absorbing capacity is general, and structural strength is low, can not satisfy people's operation requirement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who proposes among the above-mentioned background art that will solve provides a communication cable, and it has that shock-absorbing capacity is good, advantage that structural strength is high.

A communication cable comprises a cable core and an insulating layer wrapped on the outer side wall of the cable core; a protective layer is arranged on the outer side of the insulating layer; a support block in a Luoluo triangular shape is arranged between the insulating layer and the protective layer; the outer side edge of the supporting block is tangentially connected with the inner side wall of the protective layer; the middle part of the supporting block is provided with a triangular inner cavity; the triangular parts of the inner cavity are respectively provided with a buffer strip; the cable core is arranged in an inner cavity in the middle of the supporting block; the outer side wall of the insulating layer is in tangent connection with the buffer strip.

Preferably, a crescent-shaped outer cavity is formed between the outer side surface of the supporting block and the protective layer; a filling layer is arranged in the outer cavity. Effectively saves the filling material and reduces the production cost.

Further preferably, the supporting block is a rigid heat insulation silica gel integrated structure. Effectively strengthen the structural strength of cable conductor.

Further preferably, the filling layer is a soft and insulating rubber layer in a honeycomb shape. The buffering performance of the cable is better.

Further preferably, the side edge of the supporting block is provided with heat dissipation holes communicating the inner cavity and the outer cavity. The cable core is convenient to lead heat out of the outer cavity in time, and unstable data transmission of the cable core due to overhigh temperature is avoided.

Further preferably, the number of the heat dissipation holes on the side of each supporting block is 3-8. The heat dissipation effect is improved.

Preferably, the protective layer is a cross-linked polyethylene insulating material or a polyvinyl chloride aqueous material. And the external moisture is prevented from entering the inside of the cable and contacting the cable core.

Preferably, the buffer strip is one or a mixture of a PE rope and a PVC strip. And the buffering performance of the cable core is enhanced.

Has the advantages that: the utility model discloses a structural strength of cable conductor not only can be strengthened to the supporting shoe of Lulo triangle-shaped form, still has good buffering effect, and the inner chamber of triangle-shaped is convenient for placing of cable core and buffering strip, sets up the buffering effect of effective reinforcing cable through the triangle-shaped structure for the more stable data transmission that carries on of cable.

Drawings

Fig. 1 is a cross-sectional view of a communication cable according to the present invention.

In the figure: 1-a cable core; 2-an insulating layer; 3-a support block; 4-inner cavity; 5-heat dissipation holes; 6-an outer cavity; 7-a filling layer; 8-a protective layer; 9-buffer strip.

Detailed Description

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

Example 1

As shown in fig. 1, the utility model provides a communication cable, which comprises a cable core 1 and an insulating layer 2 wrapped on the outer side wall of the cable core 1; a protective layer 8 is arranged on the outer side of the insulating layer 2; a support block 3 in a Luoluo triangular shape is arranged between the insulating layer 2 and the protective layer 8; the outer side edge of the supporting block 3 is tangentially connected with the inner side wall of the protective layer 8; the middle part of the supporting block 3 is provided with a triangular inner cavity 4; the triangular parts of the inner cavity 4 are respectively provided with a buffer strip 9; the cable core 1 is arranged in an inner cavity 4 in the middle of the supporting block 3; the outer side wall of the insulating layer 2 is tangent to the buffer strip 9; a crescent outer cavity 6 is formed between the outer side surface of the supporting block 3 and the protective layer 8; the filling layer 7 is arranged in the outer cavity 6, so that the filling material is effectively saved, and the production cost is reduced; the supporting block 3 is a hard heat-insulation silica gel integrated structure, so that the structural strength of the cable is effectively enhanced; the filling layer 7 is a honeycomb soft insulating rubber layer, so that the buffer performance of the cable is better; the side edge of the supporting block 3 is provided with a heat dissipation hole 5 for communicating the inner cavity 4 and the outer cavity 6, so that the cable core 1 can lead heat out of the outer cavity 6 in time, and unstable data transmission caused by overhigh temperature of the cable core 1 is avoided; the number of the heat dissipation holes 5 on the side edge of each supporting block 3 is 4, so that the heat dissipation effect is improved; the protective layer 8 is made of a cross-linked polyethylene insulating material or a polyvinyl chloride water-based material, so that external moisture is prevented from entering the cable and contacting the cable core 1; the buffer strip 9 is formed by mixing one or two of PE ropes or PVC strips, and the buffer performance of the cable core 1 is enhanced.

Compared with the prior art, the utility model discloses following beneficial effect has: the structural strength of the cable conductor can be enhanced through the support block 3 in the shape of the Lulo triangle, a good buffering effect is achieved, the inner cavity 4 in the shape of the triangle is convenient for the placement of the cable core 1 and the buffering strip 9, the buffering effect of the cable is effectively enhanced through the triangle structure, and the cable is enabled to transmit data more stably.

Of course, the above description only shows a certain embodiment of the present invention, and the detailed description thereof is not to be construed as limiting the scope of the present invention, and it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principle and spirit of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A communication cable comprises a cable core (1) and an insulating layer (2) wrapped on the outer side wall of the cable core (1); it is characterized in that; a protective layer (8) is arranged on the outer side of the insulating layer (2); a support block (3) in a Luoluo triangular shape is arranged between the insulating layer (2) and the protective layer (8); the outer side edge of the supporting block (3) is tangentially connected with the inner side wall of the protective layer (8); the middle part of the supporting block (3) is provided with a triangular inner cavity (4); the triangular parts of the inner cavity (4) are respectively provided with a buffer strip (9); the cable core (1) is arranged in an inner cavity (4) in the middle of the supporting block (3); the outer side wall of the insulating layer (2) is tangentially connected with the buffer strip (9).

2. A communication cable according to claim 1, characterized in that a crescent-shaped outer cavity (6) is formed between the outer side of the support block (3) and the protective layer (8); a filling layer (7) is arranged in the outer cavity (6).

3. A communication cable according to claim 2, wherein the support block (3) is a rigid heat insulating silicone one-piece structure.

4. A communication cable according to claim 2, characterized in that the filler layer (7) is a soft and cellular insulating rubber layer.

5. A communication cable according to claim 3, wherein the side of the support block (3) is provided with heat dissipation holes (5) communicating the inner cavity (4) and the outer cavity (6).

6. A communication cable according to claim 5, wherein the number of the heat dissipation holes (5) on the side of each support block (3) is 3-8.

7. A communication cable according to claim 1, wherein said protective layer (8) is a cross-linked polyethylene insulation or a polyvinyl chloride water-based material.

8. A telecommunications cable according to claim 1, wherein the buffer strip (9) is one or a mixture of PE rope or PVC strip.