CN219393014U - Flame-retardant fire-resistant cable for communication - Google Patents

Abstract

The utility model discloses a flame-retardant fire-resistant cable for communication, which has the advantages that an asbestos flame-retardant layer is arranged on the inner side of a nitrile rubber layer, so that the effect of damaging the inner structure of the asbestos flame-retardant layer due to high-temperature combustion outside a cable is effectively prevented, the heat insulation flame-retardant effect is further achieved through the arranged chlorinated polyethylene rubber layer, a plurality of wire cores are separated through the arranged flame-retardant filling layer, the combustion damage of adjacent wire cores caused by the short-circuit combustion of the inner wire cores is effectively prevented, the failure rate of equipment outage is reduced, the effect of double-layer insulation is achieved through the arrangement of a wire core insulating layer and an outer insulating protective sleeve on the outer side of the wire cores, the short-circuit caused by the damage of the inner structure of the cable is prevented, the short-circuit fire of the inner wire cores and the cable damage caused by the external combustion of the cable are prevented through the arranged asbestos flame-retardant layer and the flame-retardant filling layer, and the inner and outer protection are realized.

Description

Flame-retardant fire-resistant cable for communication

Technical Field

The utility model relates to the technical field of cables, in particular to a flame-retardant fire-resistant cable for communication.

Background

Cables are a generic term for items such as optical cables and electric cables. The cable has a plurality of purposes, is mainly used for controlling multiple functions such as installation, connection equipment, power transmission and the like, and is a common and indispensable thing in daily life. Because the cable is charged, special care is required for installation. When the cable is used, heat is generated in the wire power transmission process, when open fire occurs due to short circuit of electric equipment, fire is easy to cause, and therefore the cable needs to have certain fireproof performance, the fireproof performance of the traditional cable is poor, and particularly, a plurality of wires exist in the cable, and when one wire burns at high temperature, other wires can burn, so that vicious circulation is generated, and the loss is extremely large.

Disclosure of Invention

In order to solve at least one technical problem in the background art, the utility model provides a flame-retardant fire-resistant cable for communication.

The utility model provides a flame-retardant and fire-resistant cable for communication, which comprises a nitrile rubber layer, wherein an asbestos flame-retardant layer is arranged on the inner side of the nitrile rubber layer, a chlorinated polyethylene rubber layer is arranged on the inner side of the asbestos flame-retardant layer, a plurality of wire cores which are arranged at equal intervals circumferentially are arranged in the chlorinated polyethylene rubber layer, a wire core insulating layer is wrapped on the outer side of the wire core, an outer insulating protective sleeve is wrapped on the outer side of the wire core insulating layer, a flame-retardant filling layer is filled between the outer insulating protective sleeve and the chlorinated polyethylene rubber layer, and the flame-retardant filling layer is worth explaining that the nitrile rubber is mainly used as a resin modifier in a wire cable, and forms an elastomer with some general plastics. The powder nitrile rubber has excellent dispersibility, easy operability and particle refinement, and has important effects in rubber processing application, resin modification, product performance improvement and other aspects. The nitrile rubber is used in the wire and cable sizing material, the oil resistance, cold resistance and wear resistance of the product can be greatly improved, the nitrile rubber layer is used as the outermost protective layer of the cable sizing material, the wear resistance of the structure is improved, meanwhile, the cable sizing material has the cold resistance effect, the damage of the cable is effectively prevented, then the effect of preventing the inner structure of the asbestos flame-retardant layer from being damaged due to the high-temperature combustion outside the cable is effectively prevented by arranging the asbestos flame-retardant layer on the inner side of the nitrile rubber layer, the cable of the utility model is protected, the chlorinated polyethylene rubber layer is further provided with the heat-insulating flame-retardant effect, the inner side of the chlorinated polyethylene rubber layer is provided with the flame-retardant filling layer, a plurality of wire cores are separated by the arranged flame-retardant filling layer, the adjacent wire cores are effectively prevented from being burnt and damaged due to the short-circuit combustion of the inner wire cores, the failure rate of equipment is reduced, the effect of double-layer insulation is realized by arranging the wire core insulating layer and the outer insulating protective sleeve on the outer side of the wire cores, the short circuit caused by the damage of the inner structure of the cable is prevented, the double-layer protection is realized by preventing the inner wire core from causing fire and the cable from being damaged due to the external combustion.

The cable has the beneficial effects that the armor layer is arranged between the chlorinated polyethylene rubber layer and the flame-retardant filling layer, the firmness of the structure is improved through the armor layer, and the cable is effectively prevented from being damaged due to the fact that the cable is extruded from the outer side in the using process.

The optical fiber is arranged in the middle of the plurality of wire cores, the optical fibers are isolated from the wire cores through the flame-retardant filling layer, and the optical fibers are effectively prevented from being burnt due to short circuit of the wire cores, so that the optical fibers are damaged.

The beneficial effects brought by the utility model are as follows:

1. the inner side of the nitrile rubber layer is provided with the asbestos flame-retardant layer, the effect of damaging the inner structure of the asbestos flame-retardant layer due to high-temperature combustion outside the cable is effectively prevented, the heat insulation flame-retardant effect is further achieved through the arranged chlorinated polyethylene rubber layer, a plurality of wire cores are separated through the arranged flame-retardant filling layer, the combustion damage of adjacent wire cores caused by the short-circuit combustion of the inner wire cores is effectively prevented, the failure rate of equipment outage is reduced, the wire core insulating layer and the outer insulating protective sleeve are arranged on the outer side of the wire cores, the double-layer insulating effect is achieved, the short circuit caused by the damage of the inner structure is prevented, the fire prevention of the short circuit of the inner wire cores and the cable damage caused by the external combustion of the cable are achieved through the arranged asbestos flame-retardant layer and the flame-retardant filling layer, and the inner and outer protection is achieved.

2. An armor layer is arranged between the chlorinated polyethylene rubber layer and the flame-retardant filling layer, the firmness of the structure is improved through the armor layer, and the cable damage caused by the extrusion of the outer side of the cable in the use process is effectively prevented.

3. Through keep apart through fire-retardant filling layer between optic fibre and wire core, effectually prevented the wire core short circuit and burnt optic fibre to the optic fibre has been damaged.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present disclosure;

fig. 2 is a schematic view of an isometric structure of the present disclosure.

10. A nitrile rubber layer; 11. an asbestos flame retardant layer; 12. a chlorinated polyethylene rubber layer; 13. an armor layer; 20. a flame retardant filler layer; 30. a conductor core; 31. a wire core insulating layer; 32. an outer insulating protective sleeve; 33. an outer insulating protective sleeve; 40. an optical fiber.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other; the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left" and "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the positions or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, unless explicitly stated and limited otherwise, the term "coupled" is to be interpreted broadly, as for example, the term "coupled" may be a fixed connection, a removable connection, or an integral body; the mechanical connection and the transmission connection can be adopted; either directly, indirectly through intermediaries, or through a communication between two elements or an interaction between the two elements.

Referring to fig. 1-2, the flame-retardant and fire-resistant cable for communication provided by the utility model comprises a nitrile rubber layer 10, wherein an asbestos flame-retardant layer 11 is arranged on the inner side of the nitrile rubber layer 10, a chlorinated polyethylene rubber layer 12 is arranged on the inner side of the asbestos flame-retardant layer 11, a plurality of wire cores 30 which are arranged at equal intervals circumferentially are arranged in the chlorinated polyethylene rubber layer 12, a wire core insulating layer 31 is wrapped on the outer side of the wire core 30, an outer insulating protective sleeve 32 is wrapped on the outer side of the wire core insulating layer 31, and a flame-retardant filling layer 20 is filled between the outer insulating protective sleeve 32 and the chlorinated polyethylene rubber layer 12, and it is worth to say that the nitrile rubber is mainly used as a resin modifier in a wire cable and forms an elastomer with some general plastics. The powder nitrile rubber has excellent dispersibility, easy operability and particle refinement, and has important effects in rubber processing application, resin modification, product performance improvement and other aspects. The nitrile rubber can greatly improve the oil resistance, cold resistance and wear resistance of the product when being applied to a wire and cable sizing material, the nitrile rubber layer 10 is used as an outermost protective layer of the cable, the wear resistance of the structure is increased, meanwhile, the cable is effectively prevented from being damaged due to the fact that the inner side of the nitrile rubber layer 10 is provided with the asbestos flame retardant layer 11, the cable is protected, the cable is further protected due to the fact that the inner structure of the asbestos flame retardant layer 11 is damaged due to high-temperature combustion outside the cable, the flame retardant filling layer 20 is arranged on the inner side of the chlorinated polyethylene rubber layer 12, a plurality of wire cores 30 are separated through the arranged flame retardant filling layer 20, the adjacent wire cores 30 are prevented from being burnt and damaged due to short-circuit combustion of the inner wire cores 30, the failure rate of equipment is reduced, the effect of double-layer insulation is achieved due to the fact that the inner structure of the cable is damaged due to the fact that the wire core insulating layer 31 and the outer insulating layer 32 are arranged on the outer side of the wire cores 30 is arranged, the double-layer insulation is prevented from being damaged, the cable is protected from being damaged due to the fact that the inner side of the cable is protected due to the fact that the flame retardant layer 11 and the flame retardant filling layer 20 is arranged on the inner side of the cable is arranged, and the cable is protected from being damaged due to the fact that the inner side of the cable is short-circuit is protected.

In this embodiment, the armor layer 13 is disposed between the chlorinated polyethylene rubber layer 12 and the flame retardant filling layer 20, and the structural firmness is increased by the disposed armor layer 13, so that the cable is effectively prevented from being damaged due to extrusion from the outside in the use process.

Further, the optical fibers 40 are disposed in the middle of the plurality of conductive cores 30, and the optical fibers 40 are isolated from the conductive cores 30 by the flame-retardant filling layer 20, so that the conductive cores 30 are effectively prevented from being shorted to burn the optical fibers 40, and the optical fibers 40 are damaged.

Specific embodiments of the utility model:

it is worth noting that nitrile rubber is mainly used as a resin modifier in wires and cables, and forms an elastomer with some general-purpose plastics. The powder nitrile rubber has excellent dispersibility, easy operability and particle refinement, and has important effects in rubber processing application, resin modification, product performance improvement and other aspects. The nitrile rubber can greatly improve the oil resistance, cold resistance and wear resistance of the product when being applied to a wire and cable sizing material, the nitrile rubber layer 10 is used as an outermost protective layer of the cable, the wear resistance of the structure is improved, meanwhile, the cable is effectively prevented from being damaged due to the fact that the inner side of the nitrile rubber layer 10 is provided with the asbestos flame retardant layer 11, the cable is protected, the chlorinated polyethylene rubber layer 12 further has the effects of heat insulation and flame retardance, the flame retardant filling layer 20 is arranged on the inner side of the chlorinated polyethylene rubber layer 12, a plurality of wire cores 30 are separated through the arranged flame retardant filling layer 20, the adjacent wire cores 30 are prevented from being burnt and damaged due to short-circuit combustion of the inner wire cores 30, the failure rate of equipment outage is reduced, the effect of double-layer insulation is achieved due to the fact that the wire core insulating layer 31 and the outer insulating protective sleeve 32 are arranged on the outer side of the wire cores 30, and the short-circuit caused by the damage of the inner structure of the cable is prevented.

An armor layer 13 is arranged between the chlorinated polyethylene rubber layer 12 and the flame-retardant filling layer 20, and the structural firmness is improved through the armor layer 13, so that the cable is effectively prevented from being damaged due to the fact that the cable is extruded from the outer side in the use process; the optical fibers 40 are arranged in the middle of the plurality of wire cores 30, the optical fibers 40 are isolated from the wire cores 30 through the flame-retardant filling layer 20, and the short circuit of the wire cores 30 is effectively prevented from burning the optical fibers 40, so that the optical fibers 40 are damaged.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (3)

1. The utility model provides a fire-retardant fire-resistant cable for communication, includes nitrile rubber layer (10), its characterized in that, the inboard of nitrile rubber layer (10) is equipped with asbestos flame retardant coating (11), the inboard of asbestos flame retardant coating (11) is equipped with chlorinated polyethylene rubber layer (12), the inside of chlorinated polyethylene rubber layer (12) is equipped with a plurality of wire cores (30) that are circumference equidistant range, the outside parcel of wire core (30) has sinle silk insulating layer (31), the outside parcel of sinle silk insulating layer (31) has outer insulation protection cover (32), outer insulation protection cover (32) with it has fire-retardant filling layer (20) to fill between chlorinated polyethylene rubber layer (12).

2. A fire-retardant and fire-resistant cable for communication according to claim 1, characterized in that an armor layer (13) is provided between the chlorinated polyethylene rubber layer (12) and the fire-retardant filler layer (20).

3. The flame-retardant and fire-resistant cable for communication according to claim 1, characterized in that optical fibers (40) are arranged in the middle of the plurality of wire cores (30), and the optical fibers (40) are isolated from the wire cores (30) by flame-retardant filling layers (20).