CN210489293U

CN210489293U - Copper sheath mineral magnesium oxide insulation fireproof cable

Info

Publication number: CN210489293U
Application number: CN201921125565.7U
Authority: CN
Inventors: 朱思平
Original assignee: Wenzhou Weiying New Material Cable Co Ltd
Current assignee: Wenzhou Weiying New Material Cable Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-05-08
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses an insulating fireproof cable of copper sheath mineral magnesium oxide, including waterproof layer, protection leather sheath, copper sheath, inner leather sheath, wire mesh layer, outer leather sheath, armor, stopper, insulating filling layer, internal insulation layer and sinle silk. The utility model discloses simple structure, convenient operation, the design through the copper sheathing is favorable to improving the fire behavior of cable, also is favorable to isolating the air, avoids reducing insulating properties after the moisture in the air reacts with insulating filling layer, has improved the life of cable, is favorable to improving the protective capacities of copper sheathing through the design of wire mesh layer and armor, avoids the copper sheathing to cause the damaged problem of copper sheathing because of the collision of foreign object; the utility model discloses a design of stopper does benefit to and supports the sinle silk, avoids the sinle silk to lead to cracked problem because of the extrusion of heavy object to design through waterproof layer and internal insulation layer does benefit to and protects the sinle silk, has improved the life of sinle silk.

Description

Copper sheath mineral magnesium oxide insulation fireproof cable

Technical Field

The utility model relates to a fireproof cable specifically is an insulating fireproof cable of copper sheathing mineral magnesium oxide belongs to magnesium oxide fireproof cable application technical field.

Background

The cable is generally composed of several wires or several groups of wires, made of one or more mutually insulated conductors and an outer insulating protective layer, for transmitting power or information from one place to another, generally several or several groups of wires, each group of at least two stranded rope-like cables, each group of wires being insulated from each other and usually twisted around a center, and being entirely covered with a highly insulating coating, the cable having characteristics of inner current supply and outer insulation, the cable including a power cable, a control cable, a compensation cable, a shielding cable, a high temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable, etc., which are composed of single-strand or multi-strand wires and an insulating layer, for connecting circuits, electrical appliances, etc.

The existing cable is a leather sheath for protecting the wire core inside, and has the advantages of wear resistance, flame retardance and the like according to different use environments, however, for the copper sheath mineral magnesium oxide cable, the copper sheath is damaged due to collision of foreign objects when the cable is used, so that the reaction between moisture in the air and an insulating filling layer is easily caused, the conductivity is reduced, and the cable is not beneficial to use; and probably because of the extrusion of heavy object leads to the fracture in the inside is fine during the installation, causes the cable unable use, is unfavorable for protecting the sinle silk. Therefore, a copper-sheathed mineral magnesium oxide insulated fireproof cable is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an insulating fireproof cable of copper sheath mineral magnesium oxide for solving above-mentioned problem.

The utility model discloses a technical scheme realizes above-mentioned mesh through following, a copper sheath mineral magnesium oxide insulation fireproof cable, including the sinle silk of waterproof layer inside, the waterproof layer outside is fixed connection with the copper sheath, the copper sheath outside is fixed connection with the inner jacket, the inner jacket outside is fixed connection with the wire mesh layer, and the wire mesh layer outside is fixed connection with the crust cover, the crust cover outside is fixed connection with the armor;

the utility model discloses a waterproof layer, including waterproof layer, sinle silk surface and internal insulation layer fixed connection, inside and a plurality of stopper fixed connection of waterproof layer, the inside packing of waterproof layer has insulating filling layer, just inside and four protection leather sheath fixed connection of insulating filling layer.

Preferably, the number of the wire cores is four, four the wire cores are fixedly connected with the inner insulating layer, and each outer side of the inner insulating layer is fixedly connected with the inner protective leather sleeve.

Preferably, the number of the limiting blocks is a plurality, and each limiting block is provided with an opening for placing an inner protective leather sheath.

Preferably, the metal wire mesh layer is positioned between the inner leather sheath and the outer leather sheath, and the metal wire mesh layer is respectively bonded with the inner leather sheath and the outer leather sheath through glue.

Preferably, the copper sheath is bonded with the waterproof layer through glue, and the inner wall of the waterproof layer is fixedly connected with the periphery of the limiting block.

Preferably, the copper sheath is of a circular ring-shaped structure and is composed of a seamless copper pipe, and the thickness of the copper sheath is larger than that of the waterproof layer.

The utility model has the advantages that:

1. the utility model discloses simple structure, convenient operation, the design through the copper sheathing is favorable to improving the fire behavior of cable, also is favorable to isolating the air, avoids reducing insulating properties after the moisture in the air reacts with insulating filling layer, has improved the life of cable, is favorable to improving the protective capacities of copper sheathing through the design of wire mesh layer and armor, avoids the copper sheathing to cause the damaged problem of copper sheathing because of the collision of foreign object;

2. the utility model discloses a design of stopper does benefit to and supports the sinle silk, avoids the sinle silk to lead to cracked problem because of the extrusion of heavy object to design through waterproof layer and internal insulation layer does benefit to and protects the sinle silk, has improved the life of sinle silk.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. the cable comprises a waterproof layer, 2, a protective leather sheath, 3, a copper sheath, 4, an inner leather sheath, 5, a metal wire mesh layer, 6, an outer leather sheath, 7, an armor layer, 8, a limiting block, 9, an insulating filling layer, 10, an inner insulating layer, 11 and a cable core.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but 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.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a copper-sheathed mineral magnesium oxide insulated fireproof cable includes a wire core 11 inside a waterproof layer 1, the outer side of the waterproof layer 1 is fixedly connected with a copper sheath 3, the outer side of the copper sheath 3 is fixedly connected with an inner sheath 4 for improving fireproof performance and heat resistance, the outer side of the inner sheath 4 is fixedly connected with a wire mesh layer 5, the outer side of the wire mesh layer 5 is fixedly connected with an outer sheath 6, and the outer side of the outer sheath 6 is fixedly connected with an armor layer 7 for improving the pressure resistance of the cable;

11 surfaces of sinle silk and internal insulation 10 fixed connection, 1 inside and a plurality of stopper 8 fixed connection of waterproof layer, 1 inside packing of waterproof layer has insulating filling layer 9 for improve the insulating properties of cable, just inside and four protection leather sheath 2 fixed connection of insulating filling layer 9.

The number of the wire cores 11 is four, the four wire cores 11 are fixedly connected with the inner insulating layer 10, and the outer side of each inner insulating layer 10 is fixedly connected with the inner protective leather sheath, so that the insulating property is improved conveniently, and the inner protective leather sheath is fixed conveniently; the number of the limiting blocks 8 is a plurality, and openings for placing the inner protective leather sleeves are formed in the periphery of each limiting block 8, so that the inner protective leather sleeves can be placed conveniently, and the compression resistance can be improved conveniently; the metal wire mesh layer 5 is positioned between the inner leather sheath 4 and the outer leather sheath 6, and the metal wire mesh layer 5 is respectively bonded with the inner leather sheath 4 and the outer leather sheath 6 through glue, so that the metal wire mesh layer 5 is fixed conveniently, and the scratch resistance is improved conveniently; the copper sheath 3 is bonded with the waterproof layer 1 through glue, and the inner wall of the waterproof layer 1 is fixedly connected with the periphery of the limiting block 8, so that the waterproof layer 1 and the limiting block 8 are conveniently fixed; copper sheath 3 is the ring form structure, copper sheath 3 comprises seamless copper pipe, just copper sheath 3's thickness is greater than waterproof layer 1's thickness, is convenient for improve heat resistance, conveniently improves waterproof performance.

The utility model discloses when using, the mechanical strength that is favorable to improving the cable through the design of armor 7, be favorable to strengthening corrosion protection performance, design through skin cover 6 and inner skin cover 4 is favorable to the fixed of wire mesh layer 5, design through wire mesh layer 5 is favorable to improving the protective capacities of copper sheathing 3, avoid leading to the damage of copper sheathing 3 because of the collision of foreign object, be favorable to protecting, design through waterproof layer 1 is favorable to improving waterproof capacity, avoid leading to the entering of moisture in the air after copper sheathing 3 is damaged, avoid causing insulating filling layer 9 to react with steam and reduce insulating properties;

design through stopper 8 of waterproof layer 1 inside is favorable to improving the compressive capacity of cable, avoids sinle silk 11's damage, and insulating filling layer 9 through waterproof layer 1 inside packing comprises the magnesium oxide particle, is favorable to improving the insulating ability of cable to effectively improve heat-resisting capacity, be favorable to protecting sinle silk 11 through protection leather sheath 2, and the design through inner insulation layer 10 is favorable to improving the insulating ability of sinle silk 11.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an insulating fireproof cable of copper sheath mineral magnesium oxide which characterized in that: the waterproof wire core structure comprises a wire core (11) inside a waterproof layer (1), wherein the outer side of the waterproof layer (1) is fixedly connected with a copper sheath (3), the outer side of the copper sheath (3) is fixedly connected with an inner leather sleeve (4), the outer side of the inner leather sleeve (4) is fixedly connected with a metal wire mesh layer (5), the outer side of the metal wire mesh layer (5) is fixedly connected with an outer leather sleeve (6), and the outer side of the outer leather sleeve (6) is fixedly connected with an armor layer (7);

sinle silk (11) surface and internal insulation layer (10) fixed connection, inside and a plurality of stopper (8) fixed connection of waterproof layer (1), waterproof layer (1) inside packing has insulating filling layer (9), just inside and four protection leather sheath (2) fixed connection of insulating filling layer (9).

2. The copper-sheathed mineral magnesium oxide insulated fireproof cable according to claim 1, wherein: the number of the wire cores (11) is four, four the wire cores (11) are fixedly connected with the inner insulating layer (10), and each outer side of the inner insulating layer (10) is fixedly connected with the inner protective leather sheath.

3. The copper-sheathed mineral magnesium oxide insulated fireproof cable according to claim 1, wherein: the number of the limiting blocks (8) is a plurality, and each limiting block (8) is provided with an opening for placing an inner protective leather sheath.

4. The copper-sheathed mineral magnesium oxide insulated fireproof cable according to claim 1, wherein: the metal wire mesh layer (5) is located between the inner leather sheath (4) and the outer leather sheath (6), and the metal wire mesh layer (5) is respectively bonded with the inner leather sheath (4) and the outer leather sheath (6) through glue.

5. The copper-sheathed mineral magnesium oxide insulated fireproof cable according to claim 1, wherein: the copper sheath (3) is bonded with the waterproof layer (1) through glue, and the inner wall of the waterproof layer (1) is fixedly connected with the periphery of the limiting block (8).

6. The copper-sheathed mineral magnesium oxide insulated fireproof cable according to claim 1, wherein: the copper sheath (3) is of a circular ring-shaped structure, the copper sheath (3) is composed of a seamless copper pipe, and the thickness of the copper sheath (3) is larger than that of the waterproof layer (1).