CN213366231U

CN213366231U - Communication cable with good wear-resistant and flame-retardant effects

Info

Publication number: CN213366231U
Application number: CN202022551325.2U
Authority: CN
Inventors: 欧阳赐波
Original assignee: Guoyou Cable Group Co Ltd
Current assignee: Guoyou Cable Group Co Ltd
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2021-06-04
Anticipated expiration: 2030-11-07

Abstract

The utility model discloses a communication cable that wear-resisting flame retardant efficiency is good, including metallic conductor and protective sheath, the fixed cover of surface on metallic conductor is equipped with the first insulation layer, it has the filling layer to fill between the surface on the first insulation layer and the inner wall of protective sheath, the protective sheath includes the wearing layer, the inner wall fixedly connected with insulating layer of wearing layer, the inner wall fixedly connected with enhancement layer of insulating layer, the fire-retardant layer of inner wall fixedly connected with of enhancement layer, the inner wall fixedly connected with shielding layer on fire-retardant layer. The utility model discloses a cooperation that sets up metallic conductor, first insulation layer, filling layer, wear-resisting muscle, strengthening rib, spring, wearing layer, insulating layer, enhancement layer, fire-retardant layer, shielding layer and second insulating layer is used, has solved the shorter problem of current partial communication cable life, and this communication cable that wear-resisting flame retardant efficiency is good possesses the shorter advantage of life, is worth promoting.

Description

Communication cable with good wear-resistant and flame-retardant effects

Technical Field

The utility model relates to a communication cable technical field specifically is a communication cable that wear-resisting flame retardant efficiency is good.

Background

A communications cable is a cable that transmits telephone, telegraph, facsimile documents, television and radio programs, data and other electrical signals. Is formed by twisting more than one pair of mutually insulated wires. Compared with an overhead open wire, the communication cable has the advantages of large communication capacity, high transmission stability, good confidentiality, less influence of natural conditions and external interference and the like.

With the continuous development and progress of the society, the application of the communication cable is more extensive, the existing communication cable has poor self wear resistance and is easy to damage due to friction, the existing communication cable has poor self flame retardance and is easy to damage when being burnt by fire, and therefore the service life of the communication cable is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a communication cable that wear-resisting flame retardant efficiency is good possesses the shorter advantage of life, has solved the shorter problem of current partial communication cable life.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a communication cable that wear-resisting flame retardant efficiency is good, includes metallic conductor and protective sheath, the fixed cover of surface on metallic conductor is equipped with the first insulation layer, it has the filling layer to fill between the surface on first insulation layer and the inner wall of protective sheath, the protective sheath includes the wearing layer, the inner wall fixedly connected with insulating layer of wearing layer, the inner wall fixedly connected with enhancement layer of insulating layer, the fire-retardant layer of inner wall fixedly connected with of enhancement layer, the inner wall fixedly connected with shielding layer on fire-retardant layer, the inner wall fixedly connected with second insulating layer of shielding layer, the surface activity cover of protective sheath is equipped with the spring.

Preferably, the wear-resistant layer comprises a polyurethane layer, a melamine coating layer is sprayed on the outer surface of the polyurethane layer, and a water-based inorganic zinc-rich coating layer is sprayed on the outer surface of the melamine coating layer.

Preferably, the first insulating layer and the second insulating layer are both made of polyethylene materials, the filling layer is made of mica materials, and the heat insulation layer is made of organic glass silk in a wrapping mode.

Preferably, the reinforcing layer is made of a zinc-plated soft steel wire mesh grid, the flame-retardant layer is made of a low-smoke halogen-free flame-retardant polyvinyl chloride material, and the shielding layer is made of a tin-plated copper mesh grid.

Preferably, the outer surface of the protective sleeve is fixedly connected with a wear-resistant rib, the inner cavity of the wear-resistant rib is fixedly connected with a reinforcing rib, and the reinforcing rib is made of a soft steel wire.

Preferably, the inner wall of the second insulating layer is in contact with the first insulating layer and the filling layer respectively, and the number of the metal conductors and the number of the first insulating layers are the same.

Preferably, the thickness of the polyurethane layer is 0.15mm-0.35mm, the thickness of the melamine coating layer is 0.1mm-0.3mm, and the thickness of the water-based inorganic zinc-rich coating layer is 0.1mm-0.25 mm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation that sets up metallic conductor, first insulation layer, filling layer, wear-resisting muscle, strengthening rib, spring, wearing layer, insulating layer, enhancement layer, fire-retardant layer, shielding layer and second insulating layer is used, has solved the shorter problem of current partial communication cable life, and this communication cable that wear-resisting flame retardant efficiency is good possesses the shorter advantage of life, is worth promoting.

2. The utility model has the advantages that the first insulating layer and the second insulating layer are arranged to play the insulating role;

by arranging the filling layer, the compactness of the cable is improved, and meanwhile, the flame retardant effect can be achieved;

the protective sleeve is arranged to protect the internal structure, the wear-resistant layer improves the wear-resistant performance of the cable, the heat-insulating layer plays a role in heat insulation, the internal structure of the cable is prevented from being affected by excessive external heat, the strength and toughness of the cable are improved by the reinforcing layer and the reinforcing ribs, the cable is prevented from being excessively deformed, the flame-retardant layer improves the flame-retardant and fireproof performance of the cable, and the shielding layer can improve the magnetic shielding performance of the cable;

through setting up wear-resisting muscle, avoid the phenomenon of excessive wearing and tearing to appear in the surface of cable, the component structure of wear-resisting muscle is the same with the component structure of wearing layer.

Through setting up the spring, can install the spring additional at the special festival section of cable, the spring also can play wear-resisting effect, and the surface cover of spring is equipped with soft rubber sleeve.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of the protective cover of the present invention;

FIG. 3 is a schematic view of the structure of the wear-resistant layer of the present invention;

fig. 4 is a right side view of the spring of the present invention.

In the figure: the coating comprises a metal conductor 1, a first insulating layer 2, a filling layer 3, a protective sleeve 4, a wear-resistant rib 5, a reinforcing rib 6, a spring 7, a wear-resistant layer 8, a thermal insulation layer 9, a reinforcing layer 10, a flame-retardant layer 11, a shielding layer 12, a second insulating layer 13, a polyurethane layer 14, a melamine coating layer 15 and a water-based inorganic zinc-rich coating layer 16.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a metal conductor 1, first insulating layer 2, filling layer 3, wear-resisting muscle 5, strengthening rib 6, spring 7, insulating layer 9, enhancement layer 10, fire-retardant layer 11, shielding layer 12, second insulating layer 13, polyurethane layer 14, melamine dope layer 15 and parts such as the inorganic zinc-rich dope layer 16 of waterborne are the general standard or the part that technical staff in the field knows, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for technical staff in the field.

Referring to fig. 1-4, a communication cable with good wear-resistant and flame-retardant effects comprises a metal conductor 1 and a protective sleeve 4, wherein a first insulating layer 2 is fixedly sleeved on the outer surface of the metal conductor 1, a filling layer 3 is filled between the outer surface of the first insulating layer 2 and the inner wall of the protective sleeve 4, the protective sleeve 4 comprises a wear-resistant layer 8, a heat-insulating layer 9 is fixedly connected to the inner wall of the wear-resistant layer 8, a reinforcing layer 10 is fixedly connected to the inner wall of the heat-insulating layer 9, a flame-retardant layer 11 is fixedly connected to the inner wall of the reinforcing layer 10, a shielding layer 12 is fixedly connected to the inner wall of the flame-retardant layer 11, a second insulating layer 13 is;

the wear-resistant layer 8 comprises a polyurethane layer 14, a melamine coating layer 15 is sprayed on the outer surface of the polyurethane layer 14, and a water-based inorganic zinc-rich coating layer 16 is sprayed on the outer surface of the melamine coating layer 15;

the first insulating layer 2 and the second insulating layer 13 are both made of polyethylene materials, the filling layer 3 is made of mica materials, and the heat insulating layer 9 is made of organic glass filaments in a wrapping mode;

the reinforcing layer 10 is made of a zinc-plated soft steel wire mesh grid, the flame-retardant layer 11 is made of a low-smoke halogen-free flame-retardant polyvinyl chloride material, and the shielding layer 12 is made of a tin-plated copper mesh grid;

the outer surface of the protective sleeve 4 is fixedly connected with a wear-resistant rib 5, the inner cavity of the wear-resistant rib 5 is fixedly connected with a reinforcing rib 6, and the reinforcing rib 6 is made of a soft steel wire;

the inner wall of the second insulating layer 13 is respectively contacted with the first insulating layer 2 and the filling layer 3, and the number of the metal conductors 1 is the same as that of the first insulating layer 2;

the thickness of the polyurethane layer 14 is 0.15mm-0.35mm, the thickness of the melamine coating layer 15 is 0.1mm-0.3mm, and the thickness of the water-based inorganic zinc-rich coating layer 16 is 0.1mm-0.25 mm;

the first insulating layer 2 and the second insulating layer 13 are arranged to perform an insulating function;

by arranging the filling layer 3, the compactness of the cable is improved, and meanwhile, the flame retardant effect can be achieved;

the protective sleeve 4 is arranged to protect the internal structure, the wear-resistant layer 8 improves the wear-resistant performance of the cable, the heat-insulating layer 9 plays a role in heat insulation and prevents the internal structure of the cable from being affected by excessive external heat, the reinforcing layer 10 and the reinforcing ribs 6 improve the strength and toughness of the cable and prevent the cable from excessively deforming, the flame-retardant layer 11 improves the flame-retardant and fireproof performance of the cable, and the shielding layer 12 can improve the magnetic shielding performance of the cable;

through setting up wear-resisting muscle 5, avoid the phenomenon of excessive wearing and tearing to appear in the surface of cable, the component structure of wear-resisting muscle 5 is the same with the component structure of wearing layer 8.

Through setting up spring 7, can install spring 7 additional at the special festival section of cable, spring 7 also can play wear-resisting effect, and spring 7's surface cover is equipped with soft rubber sleeve.

In summary, the following steps: this communication cable that wear-resisting flame retardant efficiency is good uses through the cooperation that sets up metallic conductor 1, first insulating layer 2, filling layer 3, wear-resisting muscle 5, strengthening rib 6, spring 7, wearing layer 8, insulating layer 9, enhancement layer 10, fire-retardant layer 11, shielding layer 12 and second insulating layer 13, has solved the short problem of current partial communication cable life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a communication cable that wear-resisting flame retardant efficiency is good, includes metallic conductor (1) and protective sheath (4), its characterized in that: the outer fixed surface cover of metallic conductor (1) is equipped with first insulation layer (2), it has filling layer (3) to fill between the surface of first insulation layer (2) and the inner wall of protective sheath (4), protective sheath (4) include wearing layer (8), the inner wall fixedly connected with insulating layer (9) of wearing layer (8), the inner wall fixedly connected with enhancement layer (10) of insulating layer (9), the fire-retardant layer (11) of inner wall fixedly connected with of enhancement layer (10), the inner wall fixedly connected with shielding layer (12) of fire-retardant layer (11), the inner wall fixedly connected with second insulating layer (13) of shielding layer (12), the surface activity cover of protective sheath (4) is equipped with spring (7).

2. The communication cable with good wear-resistant and flame-retardant effects as claimed in claim 1, wherein: the wear-resistant layer (8) comprises a polyurethane layer (14), a melamine coating layer (15) is sprayed on the outer surface of the polyurethane layer (14), and a water-based inorganic zinc-rich coating layer (16) is sprayed on the outer surface of the melamine coating layer (15).

3. The communication cable with good wear-resistant and flame-retardant effects as claimed in claim 1, wherein: the first insulating layer (2) and the second insulating layer (13) are both made of polyethylene materials, the filling layer (3) is made of mica materials, and the heat insulation layer (9) is made of organic glass silk in a wrapping mode.

4. The communication cable with good wear-resistant and flame-retardant effects as claimed in claim 1, wherein: the reinforced layer (10) is made of a zinc-plated soft steel wire mesh grid, the flame-retardant layer (11) is made of a low-smoke halogen-free flame-retardant polyvinyl chloride material, and the shielding layer (12) is made of a tin-plated copper mesh grid.

5. The communication cable with good wear-resistant and flame-retardant effects as claimed in claim 1, wherein: the outer fixed surface of protective sheath (4) is connected with wear-resisting muscle (5), the inner chamber fixedly connected with strengthening rib (6) of wear-resisting muscle (5), strengthening rib (6) are made by mild steel wire.

6. The communication cable with good wear-resistant and flame-retardant effects as claimed in claim 1, wherein: the inner wall of the second insulating layer (13) is respectively contacted with the first insulating layer (2) and the filling layer (3), and the number of the metal conductors (1) and the number of the first insulating layers (2) are the same.

7. The communication cable with good wear-resistant and flame-retardant effects as claimed in claim 2, wherein: the thickness of the polyurethane layer (14) is 0.15-0.35 mm, the thickness of the melamine coating layer (15) is 0.1-0.3 mm, and the thickness of the water-based inorganic zinc-rich coating layer (16) is 0.1-0.25 mm.