CN214588158U

CN214588158U - High flame-retardant insulated cable

Info

Publication number: CN214588158U
Application number: CN202120784031.6U
Authority: CN
Inventors: 曾铭锋
Original assignee: Sichuan Huimintai Technology Co ltd
Current assignee: Sichuan Huimintai Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-02
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a high flame-retardant insulated cable, including high flame-retardant oversheath, cover high flame-retardant inner sheath in the high flame-retardant oversheath and arrange many conductor lines in the high flame-retardant inner sheath in, the inner circle of high flame-retardant oversheath is hugged closely the inner wall cover and is had and be used for fire-retardant protective tube subassembly, and high flame-retardant inner sheath is in the inner circle of fire-retardant protective tube subassembly, the inner circle of high flame-retardant inner sheath is provided with the locking subassembly that looses that is used for fastening many conductor lines, prevent many conductor lines of loose subassembly parcel, fire-retardant protective tube subassembly is including the interior sleeve pipe of high temperature prevention of cover in high flame-retardant oversheath inner circle and bond the interior sleeve pipe in high temperature prevention band pipe, high flame-retardant inner sheath cover is in the band pipe, the interior sheathed week of high temperature prevention has scribbled fire-retardant coating. This high fire-retardant insulated cable not only has and prevents that flame from continuing the burning, keeps apart the effect of protection to the internal part, but also has the tight real effect of consolidating and preventing loosely of conductor line.

Description

High flame-retardant insulated cable

Technical Field

The utility model belongs to the technical field of fire-retardant cable, concretely relates to high fire-retardant insulating cable.

Background

The flame-retardant cable is a cable which is characterized in that a test sample is burnt under a specified test condition, after a test fire source is removed, the flame spread is only within a limited range, and residual flame or residual ignition can be self-extinguished within a limited time. The basic characteristics are as follows: in the event of a fire, may burn out and fail to operate, but may prevent the spread of the fire. In common, in case of fire, the electric wire can limit the combustion within a local range, does not spread, keeps other various equipment and avoids causing larger loss.

When present fire-retardant cable carries out fire-retardant to flame, accomplish fire-retardant by outside protective sheath usually, but this kind of fire-retardant structure effect is not good enough, and when the condition of a fire is great, outside protective sheath damages easily, lacks inside protective structure, leads to inside cable material impaired, and inside conductor line is loose simultaneously drops, and life reduces.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high fire-retardant insulated cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high fire-retardant insulated cable, includes high fire-retardant oversheath, the high fire-retardant inner sheath of cover in the high fire-retardant oversheath and arranges many conductor lines in the high fire-retardant inner sheath in, the inner circle of high fire-retardant oversheath hugs closely the inner wall cover and has the fire-retardant protection tube subassembly that is used for fire-retardant, and the high fire-retardant inner sheath is in the inner circle of fire-retardant protection tube subassembly, the inner circle of high fire-retardant inner sheath is provided with the locking subassembly that looses that is used for fastening many conductor lines, prevent loose many conductor lines of subassembly parcel.

Preferably, the flame-retardant protective pipe assembly comprises a high-temperature-resistant inner sleeve sleeved in the inner ring of the high-flame-retardant outer sheath and a belting pipe bonded in the high-temperature-resistant inner sleeve, and the high-flame-retardant inner sheath is sleeved in the belting pipe.

Preferably, the flame-retardant and fire-resistant coating is coated on the peripheral side of the high-temperature-resistant inner sleeve and is bonded with the inner wall of the high-flame-retardant outer sheath.

Preferably, the anti-loose assembly comprises a fastening sleeve sleeved in the high-flame-retardant inner sheath and a wire separation component arranged in the fastening sleeve, and the wire separation component is bonded together by three separation sheets in an annular array.

Preferably, the inner ring of the fastening sleeve and the outer side of the wire separating component are filled with a flame-retardant fastening pad, three conductor jacks matched with the conductor wires are arranged in the flame-retardant fastening pad in an annular array, and the three conductor jacks are respectively located on the peripheral side of the wire separating component.

Preferably, the outer side of the conductor wire is sleeved with an insulating sleeve, and the insulating sleeve is installed in the conductor jack.

The utility model discloses a technological effect and advantage: the high-flame-retardance insulated cable is provided with the high-flame-retardance outer sheath, the high-flame-retardance inner sheath, the flame-retardance protective tube assembly and the anti-loosening assembly, wherein the flame-retardance protective tube assembly is arranged between the high-flame-retardance outer sheath and the high-flame-retardance inner sheath to prevent flame from continuing to burn and isolate and protect the high-flame-retardance inner sheath;

through setting up sleeve pipe, fire-retardant fire-resistant coating and band pipe in preventing high temperature, fire-retardant fire-resistant coating and band pipe are arranged in respectively and are prevented interior sheathed tube outside and inboard position in high temperature, are convenient for improve and prevent interior sheathed tube fire resistance of high temperature.

Drawings

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

FIG. 2 is a schematic view of the flame retardant protective tube assembly of the present invention;

FIG. 3 is a schematic structural view of the anti-loosening assembly of the present invention;

fig. 4 is a schematic structural view of the wire separating member of the present invention.

In the figure: 1. a high flame retardant outer jacket; 2. a high flame retardant inner sheath; 3. a conductor line; 4. a flame retardant guard tube assembly; 5. a loose prevention assembly; 6. fastening the sleeve; 7. a flame retardant fastening pad; 8. a conductor jack; 9. a wire separating member; 10. a high temperature resistant inner sleeve; 11. a flame retardant and fire resistant coating; 12. wrapping a pipe; 13. a separator.

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, a high flame-retardant insulated cable comprises a high flame-retardant outer sheath 1, a high flame-retardant inner sheath 2 sleeved in the high flame-retardant outer sheath 1, and a plurality of conductor wires 3 arranged in the high flame-retardant inner sheath 2, the inner ring of the high flame-retardant outer sheath 1 clings to the inner wall and is sleeved with a flame-retardant protective pipe component 4 for flame retardance, the high flame-retardant inner sheath 2 is sleeved in the inner ring of the flame-retardant protective pipe component 4, the inner ring of the high flame-retardant inner sheath 2 is provided with a loose-proof component 5 for fastening a plurality of conductor wires 3, the anti-loose assembly 5 wraps the plurality of conductor wires 3, the high-flame-retardant outer sheath 1 and the high-flame-retardant inner sheath 2 are both made of polyvinyl chloride insulating materials, the flame-retardant protective pipe assembly 4 is equivalent to a fireproof isolation barrier arranged between the high-flame-retardant outer sheath 1 and the high-flame-retardant inner sheath 2, when a fire occurs, the high-flame-retardant outer sheath 1 retards the fire source, and the flame-retardant protective pipe assembly 4 resists high temperature and fire sources to materials in the high-flame-retardant inner sheath 2.

Referring to the attached drawing 2, the flame-retardant protective pipe assembly 4 comprises a high-temperature-resistant inner sleeve 10 sleeved in an inner ring of the high-flame-retardant outer sheath 1 and a wrapping pipe 12 bonded in the high-temperature-resistant inner sleeve 10, the high-flame-retardant inner sheath 2 is sleeved in the wrapping pipe 12, a flame-retardant refractory coating 11 is coated on the peripheral side of the high-temperature-resistant inner sleeve 10, the flame-retardant refractory coating 11 is bonded with the inner wall of the high-flame-retardant outer sheath 1, and the flame-retardant refractory coating 11 protects the high-temperature-resistant inner sleeve 10.

Referring to fig. 3 and 4, the anti-loosening assembly 5 includes a fastening sleeve 6 sleeved in the high flame-retardant inner sheath 2 and a wire separating member 9 arranged in the fastening sleeve 6, the wire separating member 9 is bonded by three separating sheets 13 in an annular array, an inner ring of the fastening sleeve 6 and located outside the wire separating member 9 are filled with a flame-retardant fastening pad 7, the flame-retardant fastening pad 7 is internally provided with three conductor jacks 8 adapted to the conductor wire 3 in an annular array, the three conductor jacks 8 are respectively located on the periphery of the wire separating member 9, an insulating sleeve is sleeved outside the conductor wire 3 and installed in the conductor jacks 8, the wire separating member 9 separates the conductor wire to prevent the conductor wire from being damaged by extrusion friction, and the flame-retardant fastening pad 7 and the fastening sleeve 6 can improve the compactness of the conductor wire 3.

In the use method, the flame-retardant and fire-resistant coating 11 and the wrapping pipe 12 are respectively arranged at the outer side and the inner side of the high-temperature-resistant inner sleeve 10, the flame retardance of the high-temperature-resistant inner sleeve 10 can be improved, the flame-retardant and fire-resistant protective pipe component 4 is equivalent to a fireproof isolation barrier arranged between the high-flame-retardant outer sleeve 1 and the high-flame-retardant inner sleeve 2, when a fire occurs, the high-flame-retardant outer sleeve 1 conducts flame retardance on a fire source, the flame-retardant protective pipe component 4 conducts resistance on high temperature and the fire source on materials within the high-flame-retardant inner sleeve 2, the lead separating component 9 separates leads, extrusion friction damage is prevented, and meanwhile, the flame-retardant fastening pad 7 and the fastening sleeve 6 can improve the compactness of the conductor wire 3.

The above description is only the specific implementation manner 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 should be covered within the protection scope of the present invention in the technical scope disclosed by the present invention, according to the technical solution of the present invention and the concept of the present invention, equivalent replacement or change is added.

Claims

1. The utility model provides a high flame retardant insulation cable, includes high flame retardant oversheath (1), cover high flame retardant inner sheath (2) in high flame retardant oversheath (1) and arrange many conductor lines (3) in high flame retardant inner sheath (2) in, its characterized in that: the inner ring of high fire-retardant oversheath (1) is hugged closely the inner wall and is equipped with and is used for fire-retardant protective tube subassembly (4), and high fire-retardant inner sheath (2) cover is in the inner circle of fire-retardant protective tube subassembly (4), the inner circle of high fire-retardant inner sheath (2) is provided with locking loose subassembly (5) that are used for fastening many conductor lines (3), prevent loose subassembly (5) parcel many conductor lines (3).

2. A high flame retardant insulated cable according to claim 1, characterized in that: the flame-retardant protective pipe assembly (4) comprises a high-temperature-resistant inner sleeve (10) sleeved in the inner ring of the high-flame-retardant outer sheath (1) and a belting pipe (12) bonded in the high-temperature-resistant inner sleeve (10), wherein the high-flame-retardant inner sheath (2) is sleeved in the belting pipe (12).

3. A high flame retardant insulated cable according to claim 2, characterized in that: the high-temperature-resistant inner sleeve (10) is coated with a flame-retardant and fire-resistant coating (11), and the flame-retardant and fire-resistant coating (11) is bonded with the inner wall of the high-flame-retardant outer sheath (1).

4. A high flame retardant insulated cable according to claim 1, characterized in that: the anti-loose assembly (5) comprises a fastening sleeve (6) sleeved in the high-flame-retardant inner sheath (2) and a wire separating component (9) arranged in the fastening sleeve (6), wherein the wire separating component (9) is bonded together by three separating sheets (13) in an annular array.

5. A high flame retardant insulated cable according to claim 4, characterized in that: the outer side of the inner ring of the fastening sleeve (6) and the outer side of the lead separating component (9) are filled with flame-retardant fastening pads (7), three conductor jacks (8) matched with the conductor wires (3) are arranged in the flame-retardant fastening pads (7) in an all-annular array, and the three conductor jacks (8) are respectively located on the peripheral sides of the lead separating component (9).

6. A high flame retardant insulated cable according to claim 4, characterized in that: and an insulating sleeve is sleeved outside the conductor wire (3) and is arranged in the conductor jack (8).