CN210606684U

CN210606684U - Waterproof anti-cracking pre-branch cable

Info

Publication number: CN210606684U
Application number: CN201921574958.6U
Authority: CN
Inventors: 张文春; 张文扬; 张涛; 张岳江; 张小彪; 陈刚; 许佩凤
Original assignee: Zhejiang Yingmeida Cable Technology Co ltd
Current assignee: Zhejiang Yingmeida Cable Technology Co ltd
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-05-22
Anticipated expiration: 2029-09-21

Abstract

The utility model discloses a branch cable is propped up in advance in waterproof cracking prevention belongs to cable technical field, including metal wire and insulating layer, the insulating layer cladding is outside at the metal wire, metal wire and insulating layer are the array, and metal wire and insulating layer one-to-one, the outside fixedly connected with composite bed of metal wire, the composite bed includes mica tape, non-woven fabrics layer, rubber layer and metallic shield net respectively, the outside fixedly connected with polyvinyl chloride sheath of composite bed, inside grafting of polyvinyl chloride sheath has tensile cellosilk and is fixed connection, polyvinyl chloride sheath surface spraying has the pitch coating. The utility model discloses simple structure, excellent in use effect has fine sealing performance through having rubber layer and polyvinyl chloride sheath at cable conductor surface mounting, improves the waterproof seepage prevention performance of cable conductor, and polyvinyl chloride sheath cooperation pitch coating uses, has corrosion-resistant and anti-cracking performance, increase of service life.

Description

Waterproof anti-cracking pre-branch cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a waterproof anticracking branch cable in advance.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protective layer and is used for transmitting power or information from one place to a wire at another place; meanwhile, the cable is also a rope-like cable formed by twisting several or several groups of wires (at least two in each group), each group of wires are insulated from each other and often twisted around a center, and the whole outer surface is coated with a highly-insulated coating. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

The existing pre-branched branch cable has the following disadvantages when in use: 1. because the metal wire is arranged in the cable, if the cable has poor sealing performance and poor waterproof and anti-seepage performance, the use effect of the cable is influenced; 2. the outer surface of the cable is affected by weather or environment, cracks appear on the surface, and the service life is shortened. Therefore, a water-proof and crack-proof pre-branch cable is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a waterproof anti-cracking pre-branch cable aims at solving the waterproof prevention of seepage of cable conductor and the poor shortcoming of anti-rupture performance.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of waterproof anticracking branch cable in advance, including metal wire and insulating layer, the insulating layer cladding is outside at the metal wire, metal wire and insulating layer are the array, and metal wire and insulating layer one-to-one, the outside fixedly connected with composite bed of metal wire, the composite bed includes mica tape, non-woven fabrics layer, rubber layer and metallic shield net respectively, the outside fixedly connected with polyvinyl chloride sheath of composite bed, inside grafting of polyvinyl chloride sheath has tensile cellosilk and is fixed connection, polyvinyl chloride sheath surface spraying has the pitch coating.

Optionally, the mica tape is wrapped outside the metal wire and the insulating layer, the non-woven fabric layer is fixedly connected between the mica tape and the rubber layer, and the metal shielding net is fixedly connected outside the rubber layer.

Optionally, the tensile fiber yarns are transversely arranged along the direction of the metal wire, and the tensile fiber yarns are in an array.

Optionally, the outer wall of the asphalt coating is bonded with fluorescent strips, and the fluorescent strips are arrays.

The utility model has the advantages as follows:

1. the utility model discloses the outside fixedly connected with composite bed of metal wire, the composite bed includes the mica tape respectively, the non-woven fabrics layer, rubber layer and metallic shield net, the cladding of mica tape is outside at metal wire and insulating layer, non-woven fabrics layer fixed connection is between mica tape and rubber layer, metallic shield net fixed connection is outside on the rubber layer, through having rubber layer and polyvinyl chloride sheath at cable conductor surface mounting, fine sealing performance has, improve the waterproof seepage prevention performance of cable conductor, the metallic shield net prevents that the external signal of telecommunication from causing the interference to the signal of cable conductor, improve the result of use.

2. The utility model discloses the outside fixedly connected with polyvinyl chloride sheath of composite bed, inside grafting of polyvinyl chloride sheath has tensile cellosilk and is fixed connection, and polyvinyl chloride sheath surface spraying has the pitch coating, and polyvinyl chloride sheath cooperation pitch coating uses, has corrosion-resistant and anti-crack performance, increase of service life, and the phosphor strip has the fluorescence ability, makes things convenient for the maintainer also can observe the position of cable conductor in the place of light dark.

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 description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of 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 view of an overall structure of a waterproof anti-cracking pre-branched branch cable according to an embodiment of the present invention;

fig. 2 is a composite layer structure diagram of a water-proof anti-cracking pre-branched branch cable according to an embodiment of the present invention.

In the figure: 1. a metal wire; 101. an insulating layer; 2. compounding layers; 201. mica tapes; 202. a non-woven fabric layer; 203. a rubber layer; 204. a metal shielding mesh; 3. a polyvinyl chloride protective layer; 301. tensile fiber yarns; 4. coating with asphalt; 401. a fluorescent strip.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A waterproof and anti-cracking pre-branched branch cable according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 and fig. 2, the embodiment of the utility model provides a pair of branch cable is in advance propped up in waterproof anti-cracking includes wire 1 and insulating layer 101, the insulating layer 101 cladding is outside at wire 1, wire 1 and insulating layer 101 are the array, and wire 1 and insulating layer 101 one-to-one, 1 outside fixedly connected with composite bed 2 of wire, composite bed 2 includes mica tape 201, non-woven fabrics layer 202, rubber layer 203 and metallic shield net 204 respectively, 2 outside fixedly connected with polyvinyl chloride sheaths 3 of composite bed, the inside grafting of polyvinyl chloride sheaths 3 has tensile cellosilk 301 and is fixed connection, 3 surface spraying of polyvinyl chloride sheaths has asphalt coating 4.

Referring to fig. 1 and 2, the mica tape 201 is wrapped outside the metal wire 1 and the insulating layer 101, the non-woven fabric layer 202 is fixedly connected between the mica tape 201 and the rubber layer 203, the metal shielding net 204 is fixedly connected outside the rubber layer 203, the rubber layer of the composite layer has tensile property and good waterproof and anti-seepage sealing performance, and the metal shielding net prevents external electric signals from interfering with signals of the cable, so that the using effect is improved.

Referring to fig. 1, the tensile fiber yarns 301 are transversely arranged along the direction of the metal wire 1, and the tensile fiber yarns 301 are in a plurality of groups, so that the tensile property of the cable is effectively enhanced, and the structural strength is improved.

Referring to fig. 1, the outer wall of the asphalt coating 4 is bonded with a fluorescent strip 401, the fluorescent strip 401 is an array, and the fluorescent strip has fluorescent property, so that a maintainer can conveniently observe the position of the cable in a dark place.

The embodiment of the utility model provides a waterproof anticracking branch cable in advance, 1 outside fixedly connected with composite bed 2 of metal wire, composite bed 2 includes mica tape 201 respectively, non-woven fabrics layer 202, rubber layer 203 and metallic shield net 204, mica tape 201 cladding is outside metal wire 1 and insulating layer 101, non-woven fabrics layer 202 fixed connection is between mica tape 201 and rubber layer 203, metallic shield net 204 fixed connection is outside rubber layer 203, through installing rubber layer 203 and polyvinyl chloride sheath 3 on the cable conductor surface, have fine sealing performance, improve the waterproof and anti-seepage performance of cable conductor, metallic shield net 204 prevents that external electric signal from causing the interference to the signal of cable conductor, improve the result of use; 2 outside fixedly connected with polyvinyl chloride protective layer 3 of composite bed, 3 inside pegs graft of polyvinyl chloride protective layer has tensile cellosilk 301 and is fixed connection, 3 outer surface spraying of polyvinyl chloride protective layer have pitch coating 4, 3 cooperation pitch coatings of polyvinyl chloride protective layer 4 use, corrosion-resistant and anti-cracking performance have, increase of service life, phosphor strip 401 has the fluorescence ability, make things convenient for the maintainer also can observe the position of cable conductor in the place of light dark.

It should be noted that, the utility model relates to a waterproof anticracking branch cable in advance, including metal wire 1, insulating layer 101, composite bed 2, mica tape 201, non-woven fabrics layer 202, rubber layer 203, metallic shield net 204, polyvinyl chloride sheath 3, tensile fiber 301, pitch coating 4, phosphor strip 401, above-mentioned electrical components are prior art product, by the needs of the technical staff in this field according to the use, select, install and accomplish the debugging operation of circuit, ensure that each electrical apparatus homoenergetic normally works, the part is the part that general standard spare or technical staff in this field know, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method, the applicant does not do specific restriction here.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a branch cable is in advance propped up in waterproof anti-cracking, includes metal wire and insulating layer, the insulating layer cladding is outside at the metal wire, metal wire and insulating layer are the array, and metal wire and insulating layer one-to-one, its characterized in that, the outside fixedly connected with composite bed of metal wire, the composite bed includes mica tape, non-woven fabrics layer, rubber layer and metallic shield net respectively, the outside fixedly connected with polyvinyl chloride sheath of composite bed, inside grafting of polyvinyl chloride sheath has tensile cellosilk and is fixed connection, polyvinyl chloride sheath surface spraying has the pitch coating.

2. The waterproof anti-cracking pre-branched branch cable according to claim 1, wherein the mica tape is wrapped outside the metal wires and the insulating layer, the non-woven fabric layer is fixedly connected between the mica tape and the rubber layer, and the metal shielding net is fixedly connected outside the rubber layer.

3. The waterproof anti-cracking pre-branched branch cable according to claim 1, wherein the tensile fiber wires are arranged transversely along the metal wire direction, and the tensile fiber wires are in an array.

4. The waterproof anti-cracking pre-branched branch cable according to claim 1, wherein a fluorescent strip is bonded to the outer wall of the asphalt coating, and the fluorescent strip is an array.