CN209912572U

CN209912572U - Cable with improved insulation

Info

Publication number: CN209912572U
Application number: CN201921061061.3U
Authority: CN
Inventors: 葛赞栋; 陈云玲
Original assignee: South Fujian Newire Inc
Current assignee: South Fujian Newire Inc
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-01-07
Anticipated expiration: 2029-07-09

Abstract

The utility model relates to a cable, the inside parcel of oversheath has first conductor, second conductor and third conductor, first conductor, second conductor and third conductor are triangular distribution, the periphery side of first conductor and second conductor all has first insulating layer, first shielding layer and first inner sheath from inside to outside cladding in proper order, the cladding has second insulating layer, second shielding layer, separation sleeve, third shielding layer and second inner sheath from inside to outside in proper order on the third conductor, first conductor, second conductor and third conductor transposition are in the same place. The cable has stronger tensile resistance, longer service life and better shock resistance.

Description

Cable with improved insulation

Technical Field

The utility model particularly relates to a cable.

Background

With the rapid growth of national economy, especially the acceleration of rural and urban power grid construction pace and the vigorous development of the land and house industries in various regions, the electric power industry in China is rapidly developed, thereby promoting the development of the electric industry matched with the electric power industry, especially the development of the electric wire and cable industry, and showing the diversified trend of the variety development of the electric wire and cable. The electric wire and cable has been developed from simple power transmission to multi-functionalization, and the safety of the electric wire and cable is also related to the safety of power transmission. In all industries and common life, the cable has high requirements on high temperature resistance, tensile resistance, service life, animal bite resistance and the like.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the technical problem to be solved in the utility model is to provide a cable that tensile strength is stronger, life is longer, impact resistance ability is better.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a cable, includes the oversheath, the inside parcel of oversheath has first conductor, second conductor and third conductor, first conductor, second conductor and third conductor are triangular distribution, the periphery side of first conductor and second conductor all has first insulating layer, first shielding layer and first inner sheath from inside to outside cladding in proper order, the cladding has second insulating layer, second shielding layer, spacer, third shielding layer and second inner sheath from inside to outside in proper order on the third conductor.

Preferably, the first conductor, the second conductor and the third conductor are all formed by stranding a plurality of aluminum wire cores.

Preferably, the first shielding layer and the second shielding layer are copper woven meshes formed by weaving a plurality of copper wires.

Preferably, the third shielding layer is a woven mesh of conductive fibers woven from a plurality of conductive fibers.

Preferably, a first identification strip is arranged between the first shielding layer and the first inner sheath on the periphery of the first conductor in a penetrating mode.

Preferably, a second identification strip is arranged between the first shielding layer and the first inner sheath on the periphery of the second conductor in a penetrating mode.

Preferably, the first identification strip and the second identification strip are different in color.

Preferably, the outer sheath is injection molded directly onto the outer periphery of the first and second inner sheaths.

Compared with the prior art, the utility model discloses following beneficial effect has: this cable wraps first insulating layer, first shielding layer and first inner sheath in proper order at first conductor and second conductor periphery side, wraps second insulating layer, second shielding layer, spacer sleeve, third shielding layer and second inner sheath at third conductor periphery side, passes through fixed moulding with first conductor, second conductor and third conductor through the oversheath, and overall structure pull resistance is stronger, and life is longer, and shock resistance is better.

Drawings

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

The labels in the figure are: 1. an outer sheath; 2. a first conductor; 3. a second conductor; 4. a third conductor; 5. a first insulating layer; 6. a first shielding layer; 7. a first inner sheath; 8. a second insulating layer; 9. a second shielding layer; 10. an isolation sleeve; 11. a third shielding layer; 12. a second inner sheath.

Detailed Description

In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1, a cable, including oversheath 1, the inside parcel of oversheath 1 has first conductor 2, second conductor 3 and third conductor 4, first conductor 2, second conductor 3 and third conductor 4 are triangular distribution, the periphery side of first conductor 2 and second conductor 3 all has first insulating layer 5, first shielding layer 6 and first inner sheath 7 from inside to outside cladding in proper order, the last cladding in proper order of third conductor 4 has second insulating layer 8, second shielding layer 9, separation sleeve 10, third shielding layer 11 and second inner sheath 12 from inside to outside, and overall structure tensile resistance is stronger, and life is longer, and shock resistance is better.

In this embodiment, the first conductor 2, the second conductor 3 and the third conductor 4 are formed by twisting a plurality of aluminum wire cores, so that the electrical conductivity is better, the stability is higher and the structure is firmer.

In this embodiment, the first shielding layer 6 and the second shielding layer 9 are copper woven meshes woven by a plurality of copper wires, and are used for shielding static electricity, so that the use is safer.

In this embodiment, the third shielding layer 11 is a woven mesh of conductive fibers woven from a plurality of conductive fibers, and is used for shielding static electricity, so that the use is safer.

In this embodiment, a first identification strip is inserted between the first shielding layer 6 and the first inner sheath 7 on the outer periphery of the first conductor, and the first identification strip is a flat strip and is not shown in the figure.

In this embodiment, a second identification strip is arranged between the first shielding layer 6 and the first inner sheath 7 on the periphery of the second conductor in a penetrating manner, and the second identification strip is a flat strip which is not shown in the figure and is convenient for distinguishing different conductors.

In this embodiment, the first identification strip and the second identification strip have different colors, so that different conductors can be distinguished conveniently.

In this embodiment, the outer sheath 1 is directly injection-molded on the outer peripheries of the first inner sheath 7 and the second inner sheath 12, so that no gap exists between the outer sheath 1 and the first inner sheath 7 and the second inner sheath 12, the combination is more reliable, and the tensile property and the anti-biting property are stronger.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art should not depart from the technical scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the scope of the present invention.

Claims

1. A cable comprising an outer jacket, characterized in that: the inside parcel of oversheath has first conductor, second conductor and third conductor, first conductor, second conductor and third conductor are triangular distribution, the periphery side of first conductor and second conductor all has first insulating layer, first shielding layer and first inner sheath from inside to outside cladding in proper order, the cladding has second insulating layer, second shielding layer, separation sleeve, third shielding layer and second inner sheath from inside to outside in proper order on the third conductor.

2. The cable of claim 1, wherein: the first conductor, the second conductor and the third conductor are all formed by stranding a plurality of aluminum wire cores.

3. The cable of claim 1, wherein: the first shielding layer and the second shielding layer are copper woven meshes formed by weaving a plurality of copper wires.

4. The cable of claim 1, wherein: the third shielding layer is a conductive fiber woven mesh formed by weaving a plurality of conductive fibers.

5. The cable of claim 1, wherein: a first identification strip penetrates through the first shielding layer and the first inner sheath on the periphery of the first conductor.

6. The cable of claim 5, wherein: and a second identification strip is arranged between the first shielding layer and the first inner sheath on the periphery of the second conductor in a penetrating manner.

7. The cable of claim 6, wherein: the first identification strip and the second identification strip are different in color.

8. The cable of claim 1, wherein: the outer sheath is directly formed on the periphery of the first inner sheath and the second inner sheath in an injection molding mode.