CN217690558U

CN217690558U - Environment-friendly halogen-free low-smoke compression-resistant fireproof cable

Info

Publication number: CN217690558U
Application number: CN202221049778.8U
Authority: CN
Inventors: 杜建波; 陈晓丰; 王涛
Original assignee: Yunnan Duobao Cable Group Co ltd
Current assignee: Yunnan Duobao Cable Group Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-28
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to the technical field of cables, and a there is not steamed low cigarette resistance to compression fireproof cable of environment-friendly is disclosed, including interior sheath, interior sheath including heart yearn, insulating layer, flame retardant coating and fixed bed, insulating layer fixed connection is on the surface of heart yearn, fixed bed fixed connection is on the surface of flame retardant coating, supporter fixed connection is in the inside of fixed bed, the material of insulating layer is silicon rubber, interior sheath still includes the supporter, the heart yearn symmetry sets up the inside at the fixed bed, supporter fixed connection is in the inside of fixed bed, the material of supporter is polycarbonate, flame retardant coating fixed connection is on the surface of insulating layer, the material of flame retardant coating is butadiene acrylonitrile rubber, the outside of interior sheath is provided with the outer jacket. The utility model provides an environment-friendly does not have steamed low cigarette resistance to compression fireproof cable, the inner sheath that sets up for cable itself has certain anti deformability, avoids the phenomenon that the cable takes place the fracture.

Description

Environment-friendly halogen-free low-smoke compression-resistant fireproof cable

Technical Field

The utility model relates to the technical field of cables, specifically a there is not steamed low cigarette resistance to compression fireproof cable of environment-friendly.

Background

A cable is an electric energy or signal transmission device, generally composed of several or several groups of wires, and defines 1: a conductor made of one or more mutually insulated conductors and an outer insulating protective layer, for transmitting power or information from one place to another, defining 2: generally, the cable is a cable similar to a rope and formed by twisting several or several groups of wires (each group is at least two), wherein the wires of each group are mutually insulated and are usually twisted around a center, the whole cable is coated with a high-insulation covering layer, the cable has the characteristics of internal electrification and external insulation, and the cable comprises 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 and the like, which are all composed of single-strand or multi-strand wires and an insulation layer and are used for connecting circuits, electric appliances and the like, but in the prior art, the cable is easy to crack.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environment-friendly does not have steamed low cigarette resistance to compression fireproof cable, has solved the problem of the phenomenon that the cable takes place the fracture easily.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a there is not steamed low cigarette resistance to compression fireproof cable of environment-friendly, includes interior sheath, interior sheath including heart yearn, insulating layer, flame retardant coating, fixed bed and supporter, insulating layer fixed connection is on the surface of heart yearn, fixed bed fixed connection is on the surface of flame retardant coating, supporter fixed connection is in the inside of fixed bed, the material of insulating layer is silicon rubber.

Preferably, the inner sheath layer further comprises a supporting body, the core wires are symmetrically arranged inside the fixing layer, the supporting body is fixedly connected inside the fixing layer, and the supporting body is made of polycarbonate, so that the cable has certain deformation resistance, and the cable is prevented from cracking.

Preferably, the fireproof layer is fixedly connected to the surface of the insulating layer, and the fireproof layer is made of nitrile rubber, so that the cable can work at high temperature.

Preferably, the outer sheath is arranged outside the inner sheath, the outer sheath comprises a reinforcing layer, the reinforcing layer is made of ethylene propylene rubber, so that the cable has certain strength, and the service life of the cable can be prolonged when the cable is used.

Preferably, the outer jacket still includes the waterproof layer, the material of waterproof layer is chloroprene rubber for the cable can work in outdoor rainy day, avoids the long-time and water contact of cable, takes place the phenomenon of corruption.

Preferably, the outer jacket further comprises a wear-resistant layer made of butadiene rubber, so that the cable has high wear resistance and the surface of the cable is prevented from being seriously worn.

Preferably, the fixing layer is fixedly connected with the reinforcing layer, and the fixing layer is made of polypropylene, so that the core wire is not easy to displace.

The utility model provides an environment-friendly does not have steamed low cigarette resistance to compression fireproof cable. An environment-friendly does not have steamed low cigarette resistance to compression fireproof cable and possesses following beneficial effect:

(1) The utility model discloses in: the utility model provides a there is not steamed low cigarette resistance to compression fireproof cable of environment-friendly, the inner sheath of setting for cable itself has certain resistance to deformation ability, avoids the phenomenon that the cable takes place the fracture.

(2) The utility model discloses in: the utility model provides a there is not steamed low cigarette resistance to compression fireproof cable of environment-friendly, the outer jacket of setting for the cable has waterproof nature and wearability, can carry out work in outdoor rainy day, avoids the cable to contact with water for a long time, and the phenomenon of taking place to corrode avoids cable surface wearing and tearing serious, and the cable has certain intensity, makes the cable when using, can increase the life of cable.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

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

fig. 3 is an enlarged schematic view of a partial structure of the present invention.

In the figure: 1. an inner protective layer; 2. a core wire; 3. an insulating layer; 4. a fire barrier layer; 5. a fixed layer; 6. a support body; 7. an outer jacket; 8. a reinforcing layer; 9. a waterproof layer; 10. and a wear-resistant layer.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-3, the utility model provides a technical solution: an environment-friendly halogen-free low-smoke compression-resistant fireproof cable comprises an inner protection layer 1, wherein the inner protection layer 1 comprises a core wire 2, an insulating layer 3, a fireproof layer 4, a fixed layer 5 and a supporting body 6, the insulating layer 3 is fixedly connected to the surface of the core wire 2, the fixed layer 5 is fixedly connected to the surface of the fireproof layer 4, the supporting body 6 is fixedly connected to the inside of the fixed layer 5, and the insulating layer 3 is made of silicon rubber;

interior sheath 1 still includes supporter 6, 2 symmetries of heart yearn set up the inside at fixed bed 5, supporter 6 fixed connection is in the inside of fixed bed 5, the material of supporter 6 is polycarbonate, make the cable itself have certain anti deformability, avoid the phenomenon that the cable takes place the fracture, flame retardant coating 4 fixed connection is on the surface of insulating layer 3, the material of flame retardant coating 4 is butadiene acrylonitrile rubber, make the cable can work under high temperature, the outside of interior sheath 1 is provided with outer jacket 7, outer jacket 7 includes enhancement layer 8, the material of enhancement layer 8 is ethylene propylene rubber, make the cable have certain intensity, make the cable when using, can increase the life of cable, outer jacket 7 still includes waterproof layer 9, the material of waterproof layer 9 is chloroprene rubber, make the cable can work in outdoor rainy day, avoid the cable to contact with water for a long time, the phenomenon of corruption takes place, outer jacket 7 still includes layer 10, the material of wearing layer 10 is butadiene rubber, make the cable have stronger wearability, it is serious to avoid cable surface wearing and tearing, fixed bed 5 and enhancement layer 8 fixed connection, the material of fixed bed 5 is difficult to take place the polypropylene at the displacement for heart yearn 2.

The utility model provides an environment-friendly does not have steamed low cigarette resistance to compression fireproof cable when using, the outside parcel of heart yearn 2 has insulating layer 3, heart yearn 2 is provided with two, the material that sets up insulating layer 3 is silicon rubber, make heart yearn 2 have insulating properties, avoid two heart yearns 2 to cross near electric leakage phenomenon, the inside supporter 6 that is provided with of cable, the material of supporter 6 is polycarbonate, make the cable itself have certain anti deformability, avoid the phenomenon that the cable takes place the fracture, the inside material that sets up flame retardant coating 4 of cable is butadiene acrylonitrile rubber, make the cable have certain fire behavior, make the cable can work under high temperature, the inside material that sets up enhancement layer 8 of cable is ethylene propylene rubber, make the cable have certain intensity, make the cable when using, can increase the life of cable, the inside material that sets up waterproof layer 9 of cable is chloroprene rubber, make the cable can work in outdoor rainy day, avoid the cable to contact with water for a long time, the phenomenon of taking place corruption, the inside material that sets up wearing layer 10 of cable is butadiene rubber, make the cable have stronger serious wearability, make the cable have avoided the cable surface wearing and tearing, make the inside material that sets up fixed bed 5 be difficult to take place the polypropylene at the displacement.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a there is not steamed low cigarette resistance to compression fireproof cable of environment-friendly, includes interior sheath (1), its characterized in that: interior sheath (1) including heart yearn (2), insulating layer (3), flame retardant coating (4), fixed bed (5) and supporter (6), insulating layer (3) fixed connection is on the surface of heart yearn (2), fixed bed (5) fixed connection is on the surface of flame retardant coating (4), supporter (6) fixed connection is in the inside of fixed bed (5), the material of insulating layer (3) is silicon rubber.

2. The environment-friendly halogen-free low-smoke compression-resistant fireproof cable according to claim 1, characterized in that: interior sheath (1) still includes supporter (6), heart yearn (2) symmetry sets up in the inside of fixed layer (5), supporter (6) fixed connection is in the inside of fixed layer (5), the material of supporter (6) is polycarbonate.

3. The environment-friendly halogen-free low-smoke compression-resistant fireproof cable according to claim 1, characterized in that: the fireproof layer (4) is fixedly connected to the surface of the insulating layer (3), and the fireproof layer (4) is made of nitrile rubber.

4. The environment-friendly halogen-free low-smoke compression-resistant fireproof cable according to claim 1, characterized in that: an outer protective layer (7) is arranged outside the inner protective layer (1), the outer protective layer (7) comprises a reinforcing layer (8), and the reinforcing layer (8) is made of ethylene propylene rubber.

5. The environment-friendly halogen-free low-smoke compression-resistant fireproof cable according to claim 4, characterized in that: the outer jacket (7) further comprises a waterproof layer (9), the waterproof layer (9) is fixedly connected to the surface of the reinforcing layer (8), and the waterproof layer (9) is made of chloroprene rubber.

6. The environment-friendly halogen-free low-smoke compression-resistant fireproof cable according to claim 4, characterized in that: the outer jacket (7) further comprises a wear-resistant layer (10), the wear-resistant layer (10) is fixedly connected to the surface of the waterproof layer (9), and the wear-resistant layer (10) is made of butadiene rubber.

7. The environment-friendly halogen-free low-smoke compression-resistant fireproof cable according to claim 1, characterized in that: the fixing layer (5) is fixedly connected with the reinforcing layer (8), and the fixing layer (5) is made of polypropylene.