CN214312704U

CN214312704U - Copper cable twisted-pair line with stretch-proofing function

Info

Publication number: CN214312704U
Application number: CN202022698477.5U
Authority: CN
Inventors: 葛争勇
Original assignee: Guangdong Wangbo Communication Technology Co ltd
Current assignee: Guangdong Wangbo Communication Technology Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-09-28
Anticipated expiration: 2030-11-19

Abstract

The utility model belongs to the technical field of the cable structure technique and specifically relates to indicate a copper cable paired line with stretch-proofing function, it includes that conductor layer, non-woven fabrics band layer, compressive layer, insulating layer, tinned copper that set gradually from inside to outside weave stratum reticulare and restrictive coating, be provided with four heart yearns and four stretch-proofing ropes in the conductor layer, heart yearn and stretch-proofing rope transposition each other, and heart yearn and stretch-proofing rope one-to-one, the center department of conductor layer is provided with axis elastic strip, the cladding of non-woven fabrics band layer is in the periphery of axis elastic strip, heart yearn and stretch-proofing rope, the restrictive coating includes buffer layer, inner sheath and the oversheath that sets gradually from inside to outside, the buffer layer cladding is in the periphery that the stratum reticulare woven to tinned copper. The utility model has novel and reliable structure, moisture proof, ventilation, flexibility, light weight and no combustion supporting performance, light weight, low cost and convenient use and transportation; improve the tensile resistance of heart yearn, avoid the utility model discloses break easily.

Description

Copper cable twisted-pair line with stretch-proofing function

Technical Field

The utility model belongs to the technical field of the cable structure technique and specifically relates to indicate a copper cable paired line with stretch-proofing function.

Background

The copper cable twisted pair plays an extremely important role in life, and the copper cable twisted pair is composed of two wires with insulating protective layers, and the two wires of the copper cable twisted pair are twisted together in a parallel mode or a mode of mutual twisting according to a certain density and are arranged on the surface of a wall, and meanwhile, the copper cable twisted pair has the characteristics of fire prevention and water prevention, and the electricity safety is ensured. The existing copper cable twisted pair structure is too simple and easy, has weak stretch-proofing capability and no damping effect, is difficult to adapt to a multi-bending state structurally, is easy to fatigue and has a short service life.

Disclosure of Invention

The utility model provides a copper cable twisted pair with stretch-proofing function aiming at the problems of the prior art, which has novel and reliable structure, moisture-proofing, ventilation, flexibility, light weight and non-combustion-supporting performance, light weight, low cost and convenient use and transportation; improve the tensile resistance of heart yearn, avoid the utility model discloses break easily.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a pair of copper cable paired line with stretch-proofing function, including conductor layer, non-woven fabrics band layer, compressive layer, insulating layer, the tinned copper that sets gradually from inside to outside woven network layer and restrictive coating, be provided with four heart yearns and four stretch-proofing ropes in the conductor layer, the heart yearn is twisted each other with the stretch-proofing rope, and heart yearn and stretch-proofing rope one-to-one, the center department of conductor layer is provided with axis elastic strip, the cladding of non-woven fabrics band layer is in the periphery of axis elastic strip, heart yearn and stretch-proofing rope, the restrictive coating includes buffer layer, inner sheath and the oversheath that sets gradually from inside to outside, the buffer layer cladding is in the periphery of tinned copper woven network layer.

Wherein, every two mutually twisted core wires are a pair of conductors.

The tensile rope is a steel wire rope, and the steel wire rope is formed by stranding a plurality of steel wires with the diameter of 0.3 mm.

Wherein, the anti-pressure layer is an iron powder-portland cement composite layer.

Wherein, the heat-insulating layer is formed by weaving glass fibers.

The damping layer is internally provided with a plurality of elastic rubber strips, and the elastic rubber strips are annularly arranged in the damping layer at equal intervals.

Wherein, the number of the elastic rubber strips is 8.

The inner sheath and the outer sheath are made of polyvinyl chloride materials.

Wherein, the outer wall of oversheath still cladding has the butyronitrile protective layer.

The core wire comprises an insulating layer and a plurality of copper wires which are arranged in the insulating layer and are mutually twisted; the copper wire is an oxygen-free copper wire.

The utility model has the advantages that:

the utility model discloses novel structure, reliable, the non-woven fabrics band layer has dampproofing, ventilative, pliable and tough, matter light and combustion-supporting performance, both protects the conductor layer, and its non-combustion-supporting nature of while is matched with pliable and tough performance again, is convenient for the utility model discloses a bend and warp to use, in addition, still possesses dampproofing ability, plays dampproofing effect, and the quality is slim and graceful, with low costs moreover, can make the utility model discloses whole weight descends, facilitates the use and transports; in addition, the anti-tensile rope is twisted with the core wire, so that the tensile resistance of the core wire is improved, the tensile breaking effect of the utility model is good, and the easy breaking of the utility model is avoided; furthermore, the center of the conductor layer is provided with the middle shaft elastic strip, so that on one hand, the elastic restoring force can be improved, the softness is good, the fatigue is not easy to occur due to repeated bending, the service life is prolonged, and in addition, the tensile property of the utility model can be realized, and the structure is reliable; wherein, the resistance to compression layer makes the utility model discloses an anti high pressure ability reinforcing, the buffer layer can play vibration/noise reduction's effect, and the tin-plated copper weaves the stratum reticulare and plays shielding effect, and inner sheath and oversheath are right the utility model discloses protect, the structure is reliable.

Drawings

Fig. 1 is a schematic structural diagram of a copper cable twisted pair with stretch-proofing function according to the present invention.

The reference numerals in fig. 1 include:

1. a non-woven fabric belting layer; 2. a pressure resistant layer; 3. a thermal insulation layer; 4. a tinned copper woven mesh layer; 5. a core wire; 6. a tensile strand; 7. a central axis elastic strip; 8. a shock-absorbing layer; 9. an inner sheath; 10. an outer sheath; 11. an elastic rubber strip; 12. an insulating layer; 13. and (3) copper wires.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

The utility model provides a copper cable twisted pair with stretch-proofing function, as shown in fig. 1, includes that conductor layer, non-woven fabrics band 1, resistance to compression layer 2, insulating layer 3, tinned copper that set gradually from interior to exterior weave stratum reticulare 4 and restrictive coating, be provided with four heart yearns 5 and four tensile resistance ropes 6 in the conductor layer, heart yearn 5 and the mutual transposition of tensile resistance rope 6, and heart yearn 5 and tensile resistance rope 6 one-to-one, the center department of conductor layer is provided with axis elastic strip 7, the cladding of non-woven fabrics band 1 is in the periphery of axis elastic strip 7, heart yearn 5 and tensile resistance rope 6, the restrictive coating includes buffer 8, inner sheath 9 and the oversheath 10 that set gradually from interior to exterior, the cladding of buffer 8 is in the periphery of tinned copper woven stratum reticulare 4. Specifically, the utility model discloses novel structure, reliable, non-woven fabrics band layer 1 has dampproofing, ventilative, pliable and tough, matter light and combustion-supporting performance, has both protected the conductor layer, and its non-combustion-supporting nature of combustion-supporting simultaneously reconciles pliable and tough performance, is convenient for the utility model discloses a bend and warp to use, in addition, still possesses dampproofing ability, plays dampproofing effect, and the quality is slim and graceful, with low costs moreover, can make the utility model discloses whole weight descends, facilitates the use and transports; in addition, the anti-tensile rope 6 is twisted with the core wire 5, so that the tensile resistance of the core wire 5 is improved, the anti-tensile effect of the utility model is good, and the utility model is prevented from being easily broken; furthermore, the center of the conductor layer is provided with the middle shaft elastic strip 7, so that on one hand, the elastic restoring force can be improved, the softness is good, the fatigue is not easy to occur due to repeated bending, the service life is prolonged, and in addition, the tensile property of the utility model can be realized, and the structure is reliable; wherein, resistance to compression layer 2 makes the utility model discloses an anti high pressure ability reinforcing, buffer layer 8 can play vibration/noise reduction's effect, and tin-plated copper weaves stratum reticulare 4 and plays shielding effect, and inner sheath 9 and oversheath 10 are right the utility model discloses protect, the structure is reliable.

Wherein, every two mutually twisted core wires 5 are a pair of conductors.

In the copper cable twisted pair with the stretch-proofing function, the stretch-proofing rope 6 is a steel wire rope, and the steel wire rope is formed by twisting a plurality of steel wires with the diameter of 0.3 mm. Specifically, the arrangement improves the tensile property and does not influence the flexibility of the cable, and the use is reliable.

In the copper cable twisted pair with the stretch-proofing function according to this embodiment, the pressure-resistant layer 2 is an iron powder-portland cement composite layer; the iron powder-silicate cement composite layer is iron powder-silicate cement prepared by mixing iron powder-silicate cement according to the proportion of 1:1, and the heat insulation layer 3 is formed by weaving glass fibers. Specifically, the anti pressure layer 2 that above-mentioned set up is iron powder-portland cement composite bed, utilizes iron powder and cement to react, produces gaseous messenger's material inflation to have fine permeability, can permeate and fill in the micro crack of insulating layer 3, make the utility model discloses a structure is inseparabler, and intensity is higher, anti high pressure ability reinforcing.

According to the copper cable twisted pair with the stretch-resistant function, a plurality of elastic rubber strips 11 are arranged in the shock absorption layer 8, the elastic rubber strips 11 are annularly arranged in the shock absorption layer 8 at equal intervals, and the number of the elastic rubber strips 11 is 8. Specifically, above-mentioned setting can improve elastic restoring force on the one hand, and the compliance is good, and the bending is indefatigable many times, improves life, can also play the effect of shock attenuation noise reduction in addition, is applicable to equipment vibrations occasion.

In the copper cable twisted pair with the stretch-resistant function in this embodiment, the inner sheath 9 and the outer sheath 10 are both made of polyvinyl chloride. Specifically, the polyvinyl chloride material has better wear resistance, insulativity and toughness. Further, the outer surface evenly distributed of oversheath 10 is provided with a plurality of elasticity plastic particles, and the elasticity plastic particle that above-mentioned set up can play the cushioning effect under its elastic action, and further can also play anti-skidding effect.

In the copper cable twisted pair with the stretch-proofing function in this embodiment, the outer wall of the outer sheath 10 is further coated with a butyronitrile protective layer. Specifically, the butyronitrile protective layer is spirally wound on the outer wall of the outer sheath 10; the butyronitrile protective layer has the advantages of excellent oil resistance and higher wear resistance, can prevent the surface of the copper cable from being worn to expose the inner wire core when being laid, and improves the safety; in addition, the outer sheath 10 has elastic recovery capability, has buffering and shock-absorbing effects, and can reduce noise generated during vibration to a certain extent.

In the copper cable twisted pair with stretch-resistant function in this embodiment, the core wire 5 includes an insulating layer 12 and a plurality of copper wires 13 twisted with each other and disposed in the insulating layer 12; the copper wire 13 is an oxygen-free copper wire 13. Preferably, the insulating layer 12 is a high density polyethylene insulating layer 12.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a copper cable twisted pair with stretch-proofing function which characterized in that: including conductor layer, non-woven fabrics band layer, anti-compression layer, insulating layer, the tinned copper that sets gradually from inside to outside woven net layer and restrictive coating, be provided with four heart yearns and four stretch-proofing ropes in the conductor layer, the heart yearn twists with the stretch-proofing rope each other, and heart yearn and stretch-proofing rope one-to-one, the center department of conductor layer is provided with axis elastic strip, the cladding of non-woven fabrics band layer is in the periphery of axis elastic strip, heart yearn and stretch-proofing rope, the restrictive coating includes buffer layer, inner sheath and the oversheath that set gradually from inside to outside, the buffer layer cladding is in the periphery of tinned copper woven net layer.

2. The copper cable twisted pair with stretch-proofing function according to claim 1, characterized in that: the tensile rope is a steel wire rope, and the steel wire rope is formed by stranding a plurality of steel wires with the diameter of 0.3 mm.

3. The copper cable twisted pair with stretch-proofing function according to claim 1, characterized in that: the anti-pressure layer is an iron powder-portland cement composite layer.

4. The copper cable twisted pair with stretch-proofing function according to claim 1, characterized in that: the heat insulation layer is formed by weaving glass fibers.

5. The copper cable twisted pair with stretch-proofing function according to claim 1, characterized in that: a plurality of elastic rubber strips are arranged in the shock absorption layer, and the plurality of elastic rubber strips are annularly arranged in the shock absorption layer at equal intervals.

6. The copper cable twisted pair with stretch-proofing function according to claim 5, characterized in that: the number of the elastic rubber strips is 8.

7. The copper cable twisted pair with stretch-proofing function according to claim 1, characterized in that: the inner sheath and the outer sheath are made of polyvinyl chloride.

8. The copper cable twisted pair with stretch-proofing function according to claim 1, characterized in that: the outer wall of the outer sheath is further coated with a butyronitrile protective layer.

9. The copper cable twisted pair with stretch-proofing function according to claim 1, characterized in that: the core wire comprises an insulating layer and a plurality of copper wires which are arranged in the insulating layer and are mutually twisted; the copper wire is an oxygen-free copper wire.