CN213366216U

CN213366216U - High-strength compression-resistant fireproof electric wire

Info

Publication number: CN213366216U
Application number: CN202022861720.0U
Authority: CN
Inventors: 姚志刚
Original assignee: Shenzhen Yonglongxin Technology Co ltd
Current assignee: Shenzhen Yonglongxin Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-06-04
Anticipated expiration: 2030-12-02

Abstract

The utility model belongs to the technical field of fireproof electric wires, and discloses a high-strength compression-resistant fireproof electric wire, which comprises an electric wire core, the outer surface of the electric wire core is provided with glass fiber, the outer surface of the glass fiber is provided with a second fireproof wrapping tape, the outer surface of the second fireproof wrapping tape is provided with a fireproof sleeve, one side of the fireproof sleeve opposite to the second fireproof wrapping tape is provided with an armor, a bottom plate is arranged above the armor, rubber is arranged at the top of the bottom plate, a supporting sheet is connected with the outer surface of the fireproof sleeve, the supporting sheet is provided with a first fireproof belt at one end opposite to the second fireproof belting, the utility model is provided with armor and rubber, the rubber can bear certain pressure through the bottom sheet on the armor, and polypropylene in the rubber ensures that the temperature rise in the fireproof electric wire can be delayed after the rubber is melted, so that the fireproof electric wire can stably work in an extremely high-temperature environment.

Description

High-strength compression-resistant fireproof electric wire

Technical Field

The utility model belongs to the technical field of the fire prevention electric wire, concretely relates to high-strength resistance to compression fire prevention electric wire.

Background

The fire-resistant electric wire is an electric wire which can keep safe operation for a certain time under the condition of flame combustion, and is considered to be a non-combustible electric wire by some people, the fire-resistant electric wire is not non-combustible, and the fire-resistant electric wire can still ensure that a circuit is normally electrified within a certain time when a fire disaster occurs, namely under the condition of combustion at a certain flame temperature; electric energy, various control signals and alarm signals are normally transmitted within a certain time, so that the lighting and fire-proof alarm device and other emergency equipment can be continuously electrified within a certain time, and the rescue work can be normally carried out.

And in prior art, the fire prevention electric wire can not carry out bending by a wide margin for the flexibility of wire rod is very low, and current fire prevention electric wire can not effectually prevent external pressure, thereby leads to pressure too big to make the inside of fire prevention electric wire damaged easily, and current fire prevention electric wire is too thick simultaneously, is difficult to be dismantled, leads to the staff need to spend very long time when dismantling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength resistance to compression fire prevention electric wire to solve current fire prevention electric wire and can not bear external pressure by a wide margin, and can not make things convenient for the staff to carry out the problem of dismantling to fire prevention electric wire.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-strength compression-resistant fireproof electric wire, includes the electric wire core, the surface of electric wire core is provided with glass fiber, glass fiber's surface is provided with second fire prevention band, the surface mounting in second fire prevention band has fire-resistant cover, the armor is installed in one side in second fire prevention band mutually in fire-resistant cover, the top of armor is provided with the film, rubber is installed at the top of film.

Preferably, the outer surface of the fireproof sleeve is connected with a supporting sheet, a first fireproof belt is arranged at one end, back to the second fireproof belting, of the supporting sheet, an inner sheath is arranged at one side, back to the bottom sheet, of the first fireproof belt, and an outer sheath is arranged outside the inner sheath.

Preferably, the outer surface of the outer sheath is provided with a protrusion, the protrusion is internally provided with a pull groove, and rock wool is filled in the pull groove.

Preferably, the rubber is filled with polypropylene, and the outer side of the rubber is connected with the first fireproof belt.

Preferably, the support sheet is inserted into the armor, and the support sheet is vertically installed on the fire-resistant sleeve.

Preferably, the pull groove is vertically arranged inside the outer sheath, and the distance between the bottom of the pull groove and the bottom of the outer sheath is 1 mm.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses armor and rubber have been set up, through the film on the armor for rubber can bear certain pressure, and guarantee through the inside polypropylene of rubber that rubber can delay the rising of the inside temperature of fire prevention electric wire after melting, thereby make the fire prevention electric wire can stable work under the extremely high environment of temperature, increase factor of safety.

(2) The utility model discloses set up backing sheet and first fire prevention band, reduced outside intensity of a fire to the inside production influence of fire-line through first fire prevention band on the backing sheet to the backing sheet can increase the holistic stability of fire-line, thereby makes the fire-line outside can bear bigger pressure.

(3) The utility model discloses set up arch and kerve, through cutting the fire prevention electric wire, drawn the kerve in the oversheath for the bottom of oversheath only remains 1 millimeter thickness, thereby makes things convenient for the staff to open the fire prevention electric wire, and the rock wool of inside the kerve can effectually reduce the inside speed that heaies up of fire prevention electric wire.

Drawings

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

FIG. 2 is an external view of the armor of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is an enlarged view of FIG. 1 at B;

in the figure: 1. an outer sheath; 2. an inner sheath; 3. a first fire-proof wrapping tape; 4. rubber; 5. armoring; 6. a support sheet; 7. a negative film; 8. a refractory jacket; 9. a second fire-proof wrapping tape; 10. a wire core; 11. glass fibers; 12. polypropylene; 13. rock wool; 14. groove drawing; 15. and (4) protruding.

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.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a high-strength compression-resistant fireproof electric wire, including electric wire core 10, the surface of electric wire core 10 is provided with glass fiber 11, can be effectual with electric wire core 10 and external environment insulation, glass fiber 11's surface is provided with second fire prevention band 9, the surface mounting of second fire prevention band 9 has fire-resistant cover 8, armor 5 is installed in one side that fire-resistant cover 8 carried on the back in second fire prevention band 9, reduce the damage of mechanical force to the electric wire in the time of coiling fireproof electric wire, the top of armor 5 is provided with film 7, make armor 5 more stable with the electric wire parcel, and increase the compressive capacity of electric wire, rubber 4 is installed at the top of film 7.

Further, the outer surface of the fireproof sleeve 8 is connected with a supporting sheet 6, the supporting sheet 6 is back on the one end of the second fireproof wrapping tape 9, the first fireproof tape 3 is installed on one side of the first fireproof tape 3, which is back on the bottom sheet 7, the inner sheath 2 is installed on one side of the inner sheath 2, the outer portion of the inner sheath 1 is installed, the stability of the electric wire can be improved, and the electric wire can effectively bear external pressure.

Furthermore, the outer surface of the outer sheath 1 is provided with the protrusion 15, the inside of the protrusion 15 is provided with the pull groove 14, the rock wool 13 is filled in the pull groove 14, the anti-skid performance of the fireproof electric wire is improved, and the fireproof electric wire can be conveniently detached.

Specifically, the inside packing of rubber 4 has polypropylene 12, and the outside and the first fire prevention area 3 of rubber 4 are connected, when can increase the fire behavior of fire line, reduce the pressure of external impact force to 10 of electric core.

It should be noted that the support sheet 6 is inserted into the armor 5, and the support sheet 6 is vertically installed on the fire-resistant sheath 8, so as to increase the overall pressure resistance of the fire-proof line.

Further, the pull groove 14 is vertically arranged inside the outer sheath 1, and the distance between the bottom of the pull groove 14 and the bottom of the outer sheath 1 is 1 mm, so that the fire line can be conveniently detached.

The utility model discloses a theory of operation and use flow: use the utility model discloses the time, bury the fire prevention electric wire in specific place for the protruding 15 on the fire prevention electric wire surface slows down the pressure of burying the thing to the fire prevention electric wire, alleviates pressure through 4 seconds of rubber simultaneously, and armor 5 can guarantee that the fire prevention electric wire can not damage when receiving the mechanical force.

When meetting big fire, after big fire has burnt protruding 15 in the outside, the inside rock wool 13 of protruding 13 can prolong the inside time that heaies up of fireproof electric wire, and outside oversheath 1 and inner sheath 2 are burnt the back, and first fire prevention area 3 is difficult for being lighted, can guarantee that the fire can not directly stretch to the inside of fireproof electric wire, can effectual extension fireproof electric wire work time, transmission that assurance signal can be stable.

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 high-strength resistance to compression fire prevention electric wire which characterized in that: the fireproof cable comprises a cable core (10), wherein glass fibers (11) are arranged on the outer surface of the cable core (10), a second fireproof wrapping tape (9) is arranged on the outer surface of the glass fibers (11), a fireproof sleeve (8) is arranged on the outer surface of the second fireproof wrapping tape (9), an armor (5) is arranged on one side, back to the second fireproof wrapping tape (9), of the fireproof sleeve (8), a bottom sheet (7) is arranged above the armor (5), and rubber (4) is arranged at the top of the bottom sheet (7).

2. The high-strength compression-resistant fireproof electric wire according to claim 1, wherein: the outer surface of the fireproof sleeve (8) is connected with a supporting sheet (6), a first fireproof belt (3) is installed on the supporting sheet (6) back to one end of a second fireproof wrapping tape (9), an inner sheath (2) is installed on one side of the first fireproof belt (3) back to the bottom sheet (7), and an outer sheath (1) is installed outside the inner sheath (2).

3. The high-strength compression-resistant fireproof electric wire according to claim 2, wherein: the outer surface of the outer sheath (1) is provided with a protrusion (15), a pull groove (14) is formed in the protrusion (15), and rock wool (13) is filled in the pull groove (14).

4. The high-strength compression-resistant fireproof electric wire according to claim 2, wherein: the interior of the rubber (4) is filled with polypropylene (12), and the outer side of the rubber (4) is connected with the first fireproof belt (3).

5. The high-strength compression-resistant fireproof electric wire according to claim 2, wherein: the support sheet (6) is inserted into the armor (5), and the support sheet (6) is vertically arranged on the fire-resistant sleeve (8).

6. The high-strength compression-resistant fireproof electric wire according to claim 3, wherein: the pull groove (14) is vertically arranged in the outer sheath (1), and the distance between the bottom of the pull groove (14) and the bottom of the outer sheath (1) is 1 mm.