CN210575195U

CN210575195U - Novel sheathed flame-retardant cable

Info

Publication number: CN210575195U
Application number: CN201920967633.8U
Authority: CN
Inventors: 陶建军
Original assignee: Hangzhou Canon Cable Co Ltd
Current assignee: Hangzhou Canon Cable Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-05-19
Anticipated expiration: 2029-06-26

Abstract

The utility model belongs to the technical field of the cable technique and specifically relates to a novel sheathed type flame retarded cable, including the wearing layer, the wearing layer inboard has cup jointed metal mesh layer, and the metal mesh layer inboard has cup jointed first fire-retardant layer, and first fire-retardant in situ side has cup jointed the inner jacket layer, and a plurality of conductors have been placed to the inner jacket in situ side, and the conductor outside has cup jointed the inoxidizing coating, and the inner jacket in situ side is equipped with the filling layer, and the filling layer meets with the outside of inoxidizing coating. The utility model discloses simple structure, the structure is reasonable, can effectively improve the life of cable, is worth promoting.

Description

Novel sheathed flame-retardant cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a novel sheathed flame retardant cable.

Background

The cable is generally a cable similar to a rope formed by twisting a plurality of or a plurality of groups of wires, each group of wires are mutually insulated and are usually twisted around a center, a high-insulation covering layer is wrapped outside the cable, the cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a compensation cable, a shielding cable, a flame-retardant cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, and the cables are all composed of single-strand or multi-strand wires and an insulation layer and are used for connecting a circuit, an electric appliance and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the cable easy wearing and tearing that exists among the prior art, shortcoming that life is low, and the novel sheathed flame retarded cable that proposes.

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

the design is a novel sheathed flame-retardant cable, which comprises a wear-resistant layer, the inside of the wear-resistant layer is sleeved with a metal mesh layer, the inside of the metal mesh layer is sleeved with a first flame-retardant layer, the inside of the first flame-retardant layer is sleeved with an inner sleeve layer, a plurality of conductors are placed at the inside of the inner sleeve layer, the outer side of each conductor is sleeved with a protective layer, the inner sleeve layer is internally provided with a filling layer, and the filling layer is connected with the outer side of the protective layer.

Preferably, the inoxidizing coating includes the insulating layer, the insulating layer inboard meets with the conductor outside, the shielding layer has been cup jointed in the insulating layer outside, the flame-retardant layer of second has been cup jointed to the shielding layer outside.

Preferably, the first flame-retardant layer is a low-smoke halogen-free flame-retardant layer, and the second flame-retardant layer is a halogen-containing flame-retardant layer.

Preferably, the wear-resistant layer is a rubber layer.

Preferably, the inner jacket layer is a polyurethane layer.

The utility model provides a pair of novel sheathed flame retardant cable, beneficial effect lies in:

1. the utility model can improve the tensile and compression physical properties of the sheath by sleeving the metal mesh layer in the wear-resistant layer, and has shielding effect on external electromagnetic signals;

2. the utility model discloses a set up the filling layer and can separate each conductor, have the guard action to each conductor simultaneously.

Drawings

Fig. 1 is a schematic structural view of a novel sheathed flame-retardant cable provided by the utility model;

fig. 2 is a side sectional view of the novel sheathed flame-retardant cable provided by the utility model;

fig. 3 is the utility model provides a structural schematic diagram of inoxidizing coating among novel sheath formula flame retarded cable.

In the figure: the cable comprises a conductor 1, a protective layer 2, an insulating layer 21, a shielding layer 22, a second flame-retardant layer 2, an inner sleeve layer 3, a first flame-retardant layer 4, a metal mesh layer 5, a wear-resistant layer 6 and a filling layer 7.

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.

Referring to fig. 1-3, a novel sheath type flame retardant cable comprises a wear layer 6, the wear layer 6 is a rubber layer, the rubber layer is made of isoprene rubber, the isoprene rubber is polyisoprene rubber for short, produced by a solution polymerization method, the isoprene rubber has good elasticity and wear resistance, excellent heat resistance and better chemical stability, a metal mesh layer 5 is sleeved on the inner side of the wear layer 6, the metal mesh layer 5 is made of copper wires, a first flame retardant layer 4 is sleeved on the inner side of the metal mesh layer 5, the first flame retardant layer 4 is a halogen-free low-smoke flame retardant layer, the low-smoke halogen-free flame retardant layer is made of polyvinyl chloride added with CaCO3, an inner sheath layer 3 is sleeved on the inner side of the first flame retardant layer 4, the inner sheath layer 3 is a polyurethane layer made of polyurethane fibers, the polyurethane fibers are polyurethane fibers for short, also called polyurethane elastic fibers, has high elastic recovery rate and high elongation at break capability similar to rubber threads.

A plurality of conductors 1 have been placed to 3 inboards on inner jacket layer, inoxidizing coating 2 has been cup jointed in the 1 outside of conductor, inoxidizing coating 2 includes insulating layer 21, insulating layer 21 is made by medium density polyethylene, the inboard and 1 outside of conductor of insulating layer 21 meet, insulating layer 21 has cup jointed shielding layer 22 in the outside, shielding layer 22 is the metallized paper, shielding layer 22 has cup jointed the fire-retardant layer 23 of second in the outside, the fire-retardant layer 23 of second is the fire-retardant layer of halogenous, the fire-retardant layer of halogenous is made by polyvinyl chloride and decabromodiphenyl ether mixture, the low price of polyvinyl chloride, insulating properties is good, fire retardance is good, 3 inboards on inner jacket layer are equipped with filling layer 7, filling layer 7.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel sheathed flame retardant cable, includes wearing layer (6), its characterized in that, metal mesh layer (5) have been cup jointed to wearing layer (6) inboard, first fire-retardant layer (4) have been cup jointed to metal mesh layer (5) inboard, inner jacket layer (3) have been cup jointed to first fire-retardant layer (4) inboard, a plurality of conductors (1) have been placed to inner jacket layer (3) inboard, inoxidizing coating (2) have been cup jointed in the conductor (1) outside, inner jacket layer (3) inboard is equipped with filling layer (7), filling layer (7) meet with the outside of inoxidizing coating (2).

2. The novel sheathed flame-retardant cable as claimed in claim 1, wherein the protective layer (2) comprises an insulating layer (21), the inner side of the insulating layer (21) is connected with the outer side of the conductor (1), a shielding layer (22) is sleeved on the outer side of the insulating layer (21), and a second flame-retardant layer (23) is sleeved on the outer side of the shielding layer (22).

3. The novel sheathed flame-retardant cable according to claim 2, wherein the first flame-retardant layer (4) is a low-smoke halogen-free flame-retardant layer, and the second flame-retardant layer (23) is a halogen-containing flame-retardant layer.

4. The novel sheathed flame-retardant cable according to claim 1, wherein the wear-resistant layer (6) is a rubber layer.

5. The novel sheathed flame-retardant cable according to claim 1, wherein the inner sheath layer (3) is a polyurethane layer.