CN220357835U

CN220357835U - Isolation penetration-proof cable

Info

Publication number: CN220357835U
Application number: CN202321025592.3U
Authority: CN
Inventors: 张继梁
Original assignee: Huzhou Huixun Communication Technology Co ltd
Current assignee: Huzhou Huixun Communication Technology Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2024-01-16
Anticipated expiration: 2033-04-27

Abstract

Prevent keeping apart and pierce through cable for solve when field environment is changeable, some cables can bear strong wind and blow or expose outside high low temperature and drench and shine, can make the insulating layer in the cable outside can constantly accelerate ageing, thereby lead to the technical problem that the anti-penetration of cable and safe performance constantly reduce, including a plurality of cable bodies and interior inoxidizing coating, its characterized in that: the cable body is formed by twisting a transmission wire core and a bearing wire core, and further comprises an insulating sheath which wraps the transmission wire core and the bearing wire core, wherein the inner protective layer is arranged between the cable body and the insulating sheath.

Description

Isolation penetration-proof cable

Technical Field

The utility model relates to the technical field of cables, in particular to an isolation penetration preventing cable.

Background

The existing cable is provided with an outer protective layer outside, a matrix is arranged in the outer protective layer to be filled, then a transmission wire core is directly arranged at the center of the matrix, or a metal wire is arranged at the center of a plurality of wire cores, so that the stress capability of the cable is improved, but the cable is simple in structure and single in function, and the primary transmission function can be achieved only.

In the prior art, the utility model patent document with the publication number of CN206505750U and the patent name of an isolated anti-penetration cable discloses an isolated anti-penetration cable, which comprises an outer sheath, wherein the outer sheath is hollow, an isolation layer is arranged in the outer sheath, a cable core is arranged in a cavity formed by the isolation layer, a plurality of groups of cable cores are arranged, cotton yarn filling pieces are filled between the isolation layer and the cable core, the outer surface of the outer sheath is coated with a flame retardant and a waterproof agent, and a layer of wire mesh is embedded in the outer sheath; each group of cable cores consists of an insulating layer, an aluminum foil layer and a wire, wherein the aluminum foil layer is arranged in the insulating layer, and the wire is arranged in a cavity formed by the aluminum foil layer; meanwhile, each strand of wires consists of a copper guide core and an insulating rubber sleeve, and the insulating rubber sleeve is wrapped on the periphery of the copper guide core.

The cable in the above patent document can have certain stabilizing effect on isolation and penetration resistance, but the internal structure of the cable is single, and the stability of the cable is different due to different environments, particularly when the field environment is changeable, some cables can bear strong wind blowing or exposed high and low temperature shower and sun drying, so that the insulating layer on the outer side of the cable can be continuously accelerated to age, thereby leading to continuous reduction of penetration resistance and safety use performance of the cable.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides an isolation penetration prevention cable which is used for solving the technical problems that when the field environment is changeable, some cables can bear strong wind blowing or exposed high and low temperature shower and sun drying, and the insulation layer on the outer side of the cable can be aged continuously and accelerated, so that the penetration prevention performance and the safety use performance of the cable are reduced continuously.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the isolation penetration prevention cable comprises a plurality of cable bodies and an inner protective layer, wherein the cable bodies are formed by twisting transmission line cores and bearing line cores, the isolation penetration prevention cable further comprises an insulating sheath which wraps the transmission line cores and the bearing line cores, and the inner protective layer is arranged between the cable bodies and the insulating sheath.

Working principle:

the cable comprises a plurality of cables, wherein the cables are formed by twisting transmission line cores and bearing line cores, the transmission line cores are used for transmitting electric energy and signals and are twisted with the bearing line cores, the bearing line cores are used for bearing external pressure and simultaneously keeping twisting strength with the transmission line cores, and the insulating skin is used for insulation and preventing electric leakage.

The beneficial effects of the utility model are as follows:

compared with the patent literature mentioned in the background art, the strength and the penetration resistance of the structure are improved by the arrangement of the bearing wire core, the penetration resistance of the structure is further improved by the twisted connection mode of the transmission wire core and the bearing wire core, the inner protective layer can play a further role in protecting the cable body, and the durability and the penetration resistance of the whole cable are improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Reference numerals illustrate: the cable comprises a cable body 1, an inner protective layer 2, a transmission wire core 3, a bearing wire core 4, an insulating sheath 5, a puncture-proof layer 6, a matrix filling piece 7, a rubber layer 8, an iron skin strip 9, a fireproof layer 10, a heat insulation layer 11 and metal filaments 12.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1, the anti-isolation penetration cable comprises a plurality of cable bodies 1 and an inner protective layer 2, wherein the cable bodies 1 are formed by twisting a transmission wire core 3 and a bearing wire core 4, the anti-isolation penetration cable further comprises an insulating sheath 5, the transmission wire core 3 and the bearing wire core 4 are coated by the insulating sheath 5, and the inner protective layer 2 is arranged between the cable bodies 1 and the insulating sheath 5.

The cable body 1 is formed by stranding a transmission wire core 3 and a bearing wire core 4, wherein the transmission wire core 3 is used for transmitting electric energy and signals and is mutually stranded with the bearing wire core 4, the bearing wire core 4 is used for bearing external pressure and simultaneously keeping the stranding strength with the transmission wire core 3, and the insulating cover 5 is used for preventing the cable body 1 from electric leakage.

As shown in fig. 1, the cable further comprises a plurality of puncture-proof layers 6, the cable bodies 1 are all located in the puncture-proof layers 6, gaps between the cable bodies 1 are further filled with matrix filling members 7, the matrix filling members 7 are in the prior art, and particularly see patent document with the authority publication number CN 206961536U, the matrix filling members 7 in the patent document are composed of sponge matrixes and rubber matrixes, the prior art is cited, and the filling of the matrix filling members 7 isolates the transmission wire core 3 from external influence when transmitting signals, so that the transmission signals are prevented from being unstable.

As shown in fig. 1, the puncture-proof layer 6 includes a rubber layer 8 and a plurality of iron strips 9, the inner walls of the iron strips 9 along the circumferential direction of the rubber layer 8 are uniformly embedded in the inner wall of the rubber layer 8, the puncture-proof layer 6 is coated on the periphery of the insulating leather 5, and a plurality of cable bodies 1 can easily cope with the penetration of the outside through the iron strips 9 arranged on the puncture-proof layer 6 and coated on the periphery of the insulating leather 5, so that the cable bodies 1 cannot be punctured, and the cable bodies 1 cannot be damaged to cause scrapping and unusable of the whole section of cable.

As shown in fig. 1, the transmission core 3 is formed by mutually twisting a plurality of BV wires, and the BV wires are high-temperature resistant, flame retardant, dampproof and mildew-proof, and suitable for field changeable environments.

As shown in fig. 1, the cable further comprises a rubber layer 8 coated on the periphery of the fireproof layer 10, a matrix filling member 7 is filled between the rubber layer 8 and the fireproof layer 10, and the matrix filling member 7 filled between the rubber layer 8 and the fireproof layer 10 can enable external signals to further prevent the influence on signals transmitted by the transmission cable core 3.

As shown in fig. 1, the rubber layer 8 is further covered with a thermal insulation layer 11, and the thermal insulation layer 11 is used for isolating the whole cable from the outside temperature, so that the cable body 1 is prevented from being too low or too high in temperature due to the special environment of the cable body 1 in the wild.

As shown in fig. 1, the cable further comprises metal filaments 12, wherein the metal filaments 12 are wrapped outside the insulating sheath 5 in a net shape, and the insulating sheath 5 can be wrapped on a plurality of cable bodies 1 more tightly through the arranged metal filaments 12.

Working principle:

when the cable works, the cable body 1 is twisted with the bearing line core 4 through the transmission line core 3, the power signal transmission capacity of the cable body 1 is improved, the external puncture bearing capacity of the cable body 1 is improved, the whole cable body 1 is stronger in bearing capacity, in many cases, the cable is installed in a high-low temperature difference environment which is easy to be blown by strong wind or exposed outside, at the moment, a plurality of the cable bodies 1 are coated with the insulating leather 5 to prevent the cable body 1 from electric leakage, and the transmission line core 3 is isolated from external influences when the signal is transmitted through the filling of the matrix filling piece 7, so that the transmission signal is unstable.

The iron sheet strip 9 of the anti-puncture layer 6 and the anti-puncture layer 6 are coated on the periphery of the insulating skin 5, so that a plurality of cable bodies 1 can be easily coped with when penetrating the outside, the cable bodies 1 cannot be punctured, scrapping and incapability of using the whole section of cable are avoided due to damage of the cable bodies 1, BV wires of the transmission wire cores 3 are high-temperature-resistant, flame-retardant, dampproof and mildew-proof, applicable to the field changeable environment, the external signals can be further prevented from affecting the signals transmitted by the transmission wire cores 3 through the matrix filling piece 7 filled between the rubber layer 8 and the fireproof layer 10, the insulation layer 11 is used for isolating the whole cable from the outside temperature, and the cable bodies 1 are prevented from being excessively low or high in the field special environment, so that the cable bodies 1 can be coated on the plurality of cable bodies 1 more tightly through the arranged reticular metal filaments 12.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. Prevent keeping apart and pierce through cable, including a plurality of cable body (1) and interior inoxidizing coating (2), its characterized in that: the cable body (1) is formed by twisting a transmission wire core (3) and a bearing wire core (4), and further comprises an insulating sheath (5), wherein the transmission wire core (3) and the bearing wire core (4) are coated by the insulating sheath (5), and the inner protective layer (2) is arranged between the cable body (1) and the insulating sheath (5);

the cable further comprises a plurality of puncture-resistant layers (6), wherein the plurality of cable bodies (1) are positioned in the puncture-resistant layers (6), and gaps among the plurality of cable bodies (1) are filled with matrix filling pieces (7);

the anti-puncture layer (6) comprises a rubber layer (8) and a plurality of iron strips (9), the iron strips (9) are uniformly embedded into the inner wall of the rubber layer (8) along the circumferential inner wall of the rubber layer (8), and the anti-puncture layer (6) is coated on the periphery of the insulating leather (5).

2. The insulated penetration cable of claim 1, wherein: the transmission wire core (3) is formed by mutually twisting a plurality of BV wires.

3. The insulated penetration cable of claim 1, wherein: the fireproof material is characterized by further comprising a rubber layer (8) coated on the periphery of the fireproof layer (10), and a matrix filling piece (7) is filled between the rubber layer (8) and the fireproof layer (10).

4. The insulated penetration cable of claim 3, wherein: the rubber layer (8) is also coated with a heat insulation layer (11).

5. The insulated penetration cable of claim 1, wherein: the insulation cover also comprises metal filaments (12), wherein the metal filaments (12) are coated outside the insulation cover (5) in a net shape.