CN210692892U

CN210692892U - Communication line

Info

Publication number: CN210692892U
Application number: CN201922024997.5U
Authority: CN
Inventors: 陈成
Original assignee: Jiangsu Baoyi Communication Technology Co ltd
Current assignee: Jiangsu Baoyi Communication Technology Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-06-05
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a communication line, which comprises a wire core and a sheath; the wire core comprises two wires and an aluminum foil layer coated on the periphery of the wires; the wire comprises a copper wire, a foaming layer, a PE layer and a PVC layer from inside to outside in sequence; the arrangement form of the seven copper wires is as follows: the copper wire is arranged in the center, the other six copper wires surround the periphery of the copper wire in the center, and two adjacent copper wires are tangent; a foaming layer is coated outside the copper wire; the foaming layer is coated with a PE layer; the PE layer is coated with a PVC layer; the two conducting wires are in a spiral composite body form; the spiral composite body is coated with an aluminum foil layer; the four wire cores are coated with aluminum-magnesium wire insulating layers; and a sheath is arranged outside the aluminum-magnesium wire insulating layer. The utility model discloses an outer cladding foaming layer of wire, PE layer and PVC layer strengthen cable heat-proof quality and scratchability, improve waterproof performance.

Description

Communication line

Technical Field

The utility model relates to a cable, concretely relates to communication line.

Background

The existing communication cable has the problems of poor high temperature resistance, poor waterproof performance and the like due to the structure and the like, and needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a communication line improves waterproof and heat-proof quality.

In order to solve the technical problem, the utility model discloses take following technical scheme: a communication line comprises a cable, a crystal head and a protective cover;

a crystal head is arranged at the end part of the cable; a protective cover is arranged on the crystal head;

the cable comprises a wire core and a sheath;

the wire core comprises two wires and an aluminum foil layer coated on the periphery of the wires; the wire comprises a copper wire, a foaming layer, a PE layer and a PVC layer from inside to outside in sequence;

the arrangement form of the seven copper wires is as follows: the copper wire is arranged in the center, the other six copper wires surround the periphery of the copper wire in the center, and two adjacent copper wires are tangent;

a foaming layer is coated outside the copper wire; the foaming layer is coated with a PE layer; the PE layer is coated with a PVC layer;

the two conducting wires are in a spiral composite body form; the spiral composite body is coated with an aluminum foil layer;

the four wire cores are coated with aluminum-magnesium wire insulating layers; and a sheath is arranged outside the aluminum-magnesium wire insulating layer.

Furthermore, the crystal head and the protective cover are clamped through a bayonet.

Further, the protective cover comprises a cover body; the first extension arm is arranged on the cover body, and a clamping bulge is arranged on the first extension arm; the crystal head is provided with a second extension arm; a clamping groove is formed in the second extension arm; the arm body of the second extension arm is connected with the crystal head through an elastic pressing plate which is bent outwards.

Further, the aluminum foil layer is wound for 2-3 weeks.

Furthermore, the four wire cores are arranged in parallel and then are coated with the aluminum-magnesium wire insulating layer.

Furthermore, the sections of the four wire cores are arranged in a diamond shape.

The utility model has the advantages that:

1) the utility model discloses quartzy head is provided with the protection casing and has dirt-proof effect, and protection casing dismantles and simple to operate.

2) The utility model discloses an outer cladding foaming layer of wire, PE layer and PVC layer strengthen cable heat-proof quality and scratchability, improve waterproof performance.

3) The utility model discloses aluminium foil layer and almag silk insulating layer play insulating and shielded effect, adopt the double-shielded design, can effectively offset the signal crosstalk between the paired line, ensure signal transmission's stability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

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

Fig. 2 is a side view of the crystal head.

Fig. 3 is a cross-sectional view of the cable.

Detailed Description

The technical solution of the present invention will be described clearly and completely through the following detailed description.

As shown in fig. 1-3, a communication cable according to the present invention includes a cable 10, a crystal head 20, and a shield 30; the cable 10 comprises a core 1 and a sheath 2;

the wire core 1 comprises two wires 11 and an aluminum foil layer 12 coated on the periphery of the wires; the lead 11 sequentially comprises a copper wire 111, a foaming layer 112, a PE layer 113 and a PVC layer 114 from inside to outside; the arrangement form of the seven copper wires 111 is as follows: the copper wire is arranged in the center, the other six copper wires surround the periphery of the copper wire in the center, and two adjacent copper wires are tangent;

the copper wire 111 is coated with a foaming layer 112; the foaming layer 112 is coated with a PE layer 113; the PE layer 113 is externally coated with a PVC layer 114; two of the wires 11 are in the form of a spiral composite; an aluminum foil layer 12 is coated outside the spiral composite; the aluminum foil layer is wound for 2-3 weeks. The four wire cores are arranged in parallel and then coated with the aluminum-magnesium wire insulating layer 3. The sections of the four wire cores are arranged in a diamond shape. The sheath 2 is arranged outside the aluminum-magnesium wire insulating layer 3.

The foaming layer 112 of this practicality copper line outer parcel makes the cable lightweight to strengthen cable heat-proof quality and scratchability, and reduce material cost, obtain high-speed signal transmission speed.

The utility model discloses quartzy head 20 passes through the bayonet socket joint with protection casing 30. The shield 30 includes a cover 31; the cover body 31 is provided with a first extension arm 32, and the first extension arm 32 is provided with a clamping protrusion 33; the crystal head 20 is provided with a second extension arm 21; the second extension arm 21 is provided with a clamping groove 22; the arm body of the second extension arm 21 is connected with the crystal head 20 through an elastic pressing plate 23 which is bent outwards.

The utility model discloses a PE layer 113 is used for waterproof, and its proportion is light, low temperature resistant, and the environmental protection is nontoxic.

The utility model discloses a PVC layer 114 is used for insulating, improves the heat resistance.

The utility model discloses aluminium foil layer 12 and aluminium magnesium silk insulating layer 13 play insulating and shielded effect, adopt the double-shielded design, can effectively offset the signal crosstalk between the paired line, ensure signal transmission's stability.

The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.

Claims

1. A communication line, characterized by: the cable protection device comprises a cable, a crystal head and a protection cover;

the cable comprises a wire core and a sheath;

the wire core comprises two wires and an aluminum foil layer coated on the periphery of the wires; the lead sequentially comprises seven copper wires, a foaming layer, a PE layer and a PVC layer from inside to outside;

2. A communication line according to claim 1, wherein: the crystal head and the protective cover are clamped through a bayonet.

3. A communication line according to claim 1, wherein: the protective cover comprises a cover body; the first extension arm is arranged on the cover body, and a clamping bulge is arranged on the first extension arm; the crystal head is provided with a second extension arm; a clamping groove is formed in the second extension arm; the arm body of the second extension arm is connected with the crystal head through an elastic pressing plate which is bent outwards.

4. A communication line according to claim 1, wherein: the aluminum foil layer is wound for 2-3 weeks.

5. A communication line according to claim 1, wherein: the periphery of the four wire cores is coated with an aluminum-magnesium wire insulating layer after being arranged in parallel.

6. A communication line according to claim 1, wherein: the sections of the four wire cores are arranged in a diamond shape.