CN211125071U

CN211125071U - Spiral conductor for cable

Info

Publication number: CN211125071U
Application number: CN201922457069.8U
Authority: CN
Inventors: 李纯盛
Original assignee: Xuzhou Metro Operation Co ltd
Current assignee: Xuzhou Metro Operation Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-28
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a spiral conductor for cable, including the sinle silk, the top in the sinle silk outside is provided with first wire, the bottom in the sinle silk outside is provided with the fourth wire, first wire and fourth wire are all made by helical structure, and first wire and fourth wire line are opposite, the intermediate position department of sinle silk one end is provided with the third wire, the intermediate position department that third wire one end was kept away from to the sinle silk is provided with the second wire, the inboard of first wire is provided with the weaving layer. The utility model discloses the device is through the cooperation of weaving each other of first wire, second wire, third wire, fourth wire, improves extensibility, anti tensile properties and the antitorque commentaries on classics nature of wire, plays the protection to the core, and first wire, second wire, third wire, fourth wire are the heliciform and weave for self has the elasticity performance, and when the cable was stretched or compressed, the elasticity performance of self can guarantee that the sinle silk is not stretched or torsional deformation.

Description

Spiral conductor for cable

Technical Field

The utility model relates to a helical conductor technical field for the cable specifically is a helical conductor for cable.

Background

Cables are generally rope-like cables made by twisting several or groups of conductors (at least two per group), each group of conductors being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering; the cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like; they are composed of single-strand or multi-strand wires and insulating layers and are used for connecting circuits, electric appliances and the like;

the torsion resistance, the tensile strength, the elasticity of current conductor for the cable all have the defect, and easy broken string in the use causes the cable to scrap, and the conductor itself does not have good extending ability, and in the in-service use, the cable is extruded, and when the distortion or receive the drawing of external force, all can make the cable damage, current cable conductor practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a helical conductor for cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a spiral conductor for cable, includes the sinle silk, the top in the sinle silk outside is provided with first wire, the bottom in the sinle silk outside is provided with the fourth wire, first wire and fourth wire are all made by helical structure, and first wire and fourth wire line are opposite, the intermediate position department of sinle silk one end is provided with the third wire, the intermediate position department that third wire one end was kept away from to the sinle silk is provided with the second wire, the inboard of first wire is provided with the weaving layer, the inboard of weaving layer is provided with the insulating layer, the inboard of insulating layer is provided with the inoxidizing coating.

Preferably, the first wire, the second wire, the third wire and the fourth wire are the same wire, and the first wire, the second wire, the third wire and the fourth wire together form a conductor.

Preferably, the first, second, third and fourth conductive wires are interwoven with each other.

Preferably, the woven layer is provided with woven metal wires inside.

Preferably, the insulating layer is filled with a plastic material made of polyethylene.

Preferably, the protective layer is internally provided with methyl vinyl silicone rubber.

Compared with the prior art, the beneficial effects of the utility model are that: this spiral conductor for cable passes through first wire, the second wire, the third wire, the cooperation of weaving each other of fourth wire, improve the extensibility of wire, anti tensile property and anti-torque turning nature, play the protection to the sinle silk, and first wire, the second wire, the third wire, the fourth wire is the heliciform and weaves, make self have the elasticity performance, when the cable is stretched or compressed, the sinle silk can be guaranteed not by tensile or torsional deformation to self elasticity performance, the probability that the sinle silk is destroyed by the external world has been reduced, further improve the protection to the sinle silk, through weaving the metal silk of form of weaving in situ, can shield electromagnetic interference, polyethylene through the inside packing of insulating layer, play insulating effect, through the inside methyl vinyl silicone rubber of inoxidizing coating, further provide the protection for the sinle silk, prevent that the sinle silk from destroying under the external world destruction.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front cross-sectional view of a first wire of the present invention;

fig. 3 is a side cross-sectional view of a first wire of the present invention.

In the figure: 1. a wire core; 2. a first conductive line; 3. a second conductive line; 4. a third conductive line; 5. a fourth conductive line; 6. weaving layer; 7. an insulating layer; 8. and (4) a protective layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a spiral conductor for cable, including sinle silk 1, the top in the sinle silk 1 outside is provided with first wire 2, the bottom in the sinle silk 1 outside is provided with fourth wire 5, first wire 2 and fourth wire 5 are all made by helical structure, and

first wire

2 and 5 lines of fourth wire are opposite, the intermediate position department of sinle silk 1 one end is provided with third wire 4, the intermediate position department that third wire 4 one end was kept away from to sinle silk 1 is provided with second wire 3, the inboard of first wire 2 is provided with weaving layer 6, play shielding electromagnetic interference's effect, the inboard of weaving layer 6 is provided with insulating layer 7, play insulating effect, the inboard of insulating layer 7 is provided with inoxidizing coating 8, play the effect of protection.

In this implementation, first wire 2 and second wire 3, third wire 4, fourth wire 5 is the same wire, first wire 2, second wire 3, third wire 4 and fourth wire 5 form the conductor jointly, first wire 2, second wire 3, third wire 4 and fourth wire 5 crisscross the weaving each other, play the effect of protection sinle silk, the inside of weaving layer 6 is provided with the metal wire of weave form, can shield electromagnetic interference, the plastics of the inside packing polyethylene material of insulating layer 7, the inside of inoxidizing coating 8 is provided with methyl vinyl silicone rubber, play the guard action.

The working principle is as follows: the first lead 2, the second lead 3, the third lead 4 and the fourth lead 5 are mutually woven and matched, so that the extensibility, the tensile resistance and the torsion resistance of the leads are improved, the wire core 1 is protected, and the first lead 2, the second lead 3, the third lead 4 and the fourth lead 5 are spirally braided, so that the wire core has the flexibility, when the cable is stretched or compressed, the self-stretching performance can ensure that the wire core 1 is not stretched or twisted to deform, the probability that the wire core 1 is damaged by the outside is reduced, the protection to the wire core 1 is further improved, and the wire core is formed by weaving the metal wires in the weaving layer 6, can shield electromagnetic interference, plays an insulating role through the polyethylene plastic filled in the insulating layer 7, through the inside methyl vinyl silicone rubber of inoxidizing coating 8, further for sinle silk 1 provides the protection, prevent that sinle silk 1 from destroying under the external damage.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A spiral conductor for cables, comprising a core (1), characterized in that: the top in sinle silk (1) outside is provided with first wire (2), the bottom in sinle silk (1) outside is provided with fourth wire (5), first wire (2) and fourth wire (5) are all made by helical structure, and first wire (2) and fourth wire (5) line are opposite, the intermediate position department of sinle silk (1) one end is provided with third wire (4), the intermediate position department that third wire (4) one end was kept away from in sinle silk (1) is provided with second wire (3), the inboard of first wire (2) is provided with weaving layer (6), the inboard of weaving layer (6) is provided with insulating layer (7), the inboard of insulating layer (7) is provided with inoxidizing coating (8).

2. A spiral conductor for a cable according to claim 1, wherein: the first lead (2), the second lead (3), the third lead (4) and the fourth lead (5) are the same, and the first lead (2), the second lead (3), the third lead (4) and the fourth lead (5) form a conductor together.

3. A spiral conductor for a cable according to claim 1, wherein: the first conducting wire (2), the second conducting wire (3), the third conducting wire (4) and the fourth conducting wire (5) are interwoven.

4. A spiral conductor for a cable according to claim 1, wherein: and a braided metal wire is arranged in the braided layer (6).

5. A spiral conductor for a cable according to claim 1, wherein: the insulating layer (7) is filled with plastics made of polyethylene.

6. A spiral conductor for a cable according to claim 1, wherein: the interior of the protective layer (8) is provided with methyl vinyl silicone rubber.