CN210667905U

CN210667905U - Thin-wall conductive shielding wire

Info

Publication number: CN210667905U
Application number: CN201920780852.5U
Authority: CN
Inventors: 沈庆凯; 涂自龙; 胡洪群
Original assignee: Risuntek Inc
Current assignee: Risuntek Inc
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-06-02
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a thin wall electrically conductive shielding wire, including four wires, these four wires evenly twist into a branch of each other, four wire peripheral claddings after the twist into a bundle have well quilt, and the surface cladding of quilt has the aluminium foil layer in this, and the surface on this aluminium foil layer has the shielding layer with extrusion formula cladding, and the surface cladding of this shielding layer has the quilt. Through in the periphery of four wires set gradually in the quilt, aluminium foil layer, shielding layer and overcoat, can simplify the manufacturing procedure that adopts metal to weave or metal winding in the past through the shielding layer that sets up, and this shielding layer is set up in the way of giving as security out, and the speed of its shielding layer of giving as security out is more than 80M/MIN, compares and adopts the weaving or the winding speed of metal weaving or metal winding mode in the past, can promote 10 ~ 40 times with the production efficiency of wire rod to make the whole production efficiency of wire rod promote by a wide margin.

Description

Thin-wall conductive shielding wire

Technical Field

The utility model belongs to the technical field of the wire rod technique and specifically relates to indicate a thin wall electrically conducts shielding wire rod.

Background

For communication cables, the metal shielding method is generally by weaving, winding, wrapping with aluminum foil or compounding. However, the metal shielding, especially the weaving and winding modes are adopted, and the weaving or winding speed is generally only 2-6M/MIN due to the fact that the processing procedures of the metal weaving or metal winding mode are too many, so that the production efficiency is low; and the manufactured wire rod has high overall weight, large volume and difficult peeling, and does not accord with the development trend of small weight and small volume of the existing wire rod.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a thin wall conductive shielding wire, and its structure sets up rationally, has solved current communication cable effectively and has caused the wire rod that production efficiency is low, make to be not conform to current wire rod development trend that small, small owing to adopt metal to weave or metal winding mode.

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

the thin-wall conductive shielding wire comprises four wires which are uniformly twisted into a bundle, wherein the periphery of the four wires which are twisted into a bundle is coated with a quilt, the outer surface of the quilt is coated with an aluminum foil layer, the outer surface of the aluminum foil layer is coated with a shielding layer in an extrusion manner, and the outer surface of the shielding layer is coated with an outer quilt.

As a preferred embodiment: the conductive surface of the aluminum foil layer is arranged outwards.

As a preferred embodiment: the four wires comprise central anti-bullet wires, core guide wires stranded on the periphery of the central anti-bullet wires and insulating layers coated on the periphery of the core guide wires.

As a preferred embodiment: the four wires are respectively a first wire, a second wire, a third wire and a fourth wire, wherein the core wires of the first wire and the second wire are provided with two layers, and the core wires of the third wire and the fourth wire are provided with one layer.

As a preferred embodiment: and nylon wires are arranged among the four conducting wires, and the four conducting wires and the nylon wires are twisted into a bundle.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme: through in the periphery of four wires set gradually in the quilt, aluminium foil layer, shielding layer and overcoat, can simplify the manufacturing procedure that adopts metal to weave or metal winding in the past through the shielding layer that sets up, and this shielding layer is set up in the way of giving as security out, and the speed of its shielding layer of giving as security out is more than 80M/MIN, compares and adopts the weaving or the winding speed of metal weaving or metal winding mode in the past, can promote 10 ~ 40 times with the production efficiency of wire rod to make the whole production efficiency of wire rod promote by a wide margin.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

The attached drawings indicate the following:

10. wire 101, first wire

102. Second and third

conductive lines

103 and 103

104. Fourth wire 11, central bulletproof wire

12. Core wire 13, insulating layer

14. Nylon 20, middle quilt

30. Aluminum foil layer 31, conductive surface

40. A shielding layer 50 and an outer cover.

Detailed Description

Referring to fig. 1, a detailed structure of a preferred embodiment of the present invention is shown, which is a thin-wall conductive shielding wire including four wires 10.

The four wires 10 are uniformly twisted into a bundle, the periphery of the four wires 10 after being twisted into a bundle is covered with a quilt 20, the outer surface of the quilt 20 is covered with an aluminum foil layer 30, the outer surface of the aluminum foil layer 30 is covered with a shielding layer 40 in an extrusion manner, and the outer surface of the shielding layer 40 is covered with a quilt 50. In the present embodiment, the shielding layer 40 is a thin film made of a thermoplastic material mixed with metal powder; specifically, the thermoplastic material is TPR (thermoplastic rubber material) or TPE (thermoplastic elastomer material), and the shielding layer 40 made of the film mixed with the metal powder is coated, so that the surface of the wire rod is smoother, and the phenomenon of unevenness caused by the conventional metal weaving or metal winding manner is avoided. The conductive surface 31 of the aluminum foil layer 30 is disposed to face outward.

The four wires 10 each include a central bulletproof wire 11, a core wire 12 twisted around the central bulletproof wire 11, and an insulating layer 13 covering the core wire 12. Specifically, the four wires are a first wire 101, a second wire 102, a third wire 103, and a fourth wire 104, respectively, wherein the core wires 12 of the first wire 101 and the second wire 102 have two layers, and the core wires 12 of the third wire 103 and the fourth wire 104 have one layer. And nylon wires 14 are arranged between the four wires 10, and the four wires 10 and the nylon wires 14 are twisted together into a bundle.

The utility model discloses a design focus lies in: the quilt 20, the aluminum foil layer 30, the shielding layer 40 and the outer quilt 50 are sequentially arranged on the periphery of the four wires 10, the processing procedure of metal weaving or metal winding in the prior art can be simplified through the arranged shielding layer 40, the shielding layer 40 is arranged in an extrusion mode, the speed of extruding the shielding layer 40 is more than 80M/MIN, compared with the weaving or winding speed of the metal weaving or metal winding in the prior art, the production efficiency of wires can be improved by 10-40 times, and the overall production efficiency of the wires is greatly improved;

in addition, the shielding layer 40 is a film made of thermoplastic mixed metal powder, and the manufactured wire rod has smaller weight and volume compared with the wire rod which is woven by metal or wound by metal in the prior art, is easy to peel, and accords with the development trend of small weight and small volume of the existing wire rod; and the wire rod also has the characteristic of softness, and the outer surface of the wire rod is good in consistency.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A thin-wall conductive shielding wire is characterized in that: the cable comprises four wires (10), the four wires (10) are uniformly twisted into a bundle, the periphery of the four wires (10) after being twisted into a bundle is coated with a quilt (20), the outer surface of the quilt (20) is coated with an aluminum foil layer (30), the outer surface of the aluminum foil layer (30) is coated with a shielding layer (40) in an extrusion manner, and the outer surface of the shielding layer (40) is coated with an outer quilt (50).

2. The thin-walled conductive shielding wire of claim 1, wherein: the conductive surface (31) of the aluminum foil layer (30) is arranged outwards.

3. The thin-walled conductive shielding wire of claim 1, wherein: the four wires (10) respectively comprise a central anti-bullet wire (11), a core guide wire (12) twisted on the periphery of the central anti-bullet wire (11) and an insulating layer (13) coated on the periphery of the core guide wire (12).

4. The thin-walled conductive shielding wire of claim 3, wherein: the four wires are respectively a first wire (101), a second wire (102), a third wire (103) and a fourth wire (104), wherein the core wires (12) of the first wire (101) and the second wire (102) have two layers, and the core wires (12) of the third wire (103) and the fourth wire (104) have one layer.

5. The thin-walled conductive shielding wire of claim 1, wherein: nylon wires (14) are arranged among the four conducting wires (10), and the four conducting wires (10) and the nylon wires (14) are twisted together to form a bundle.