CN220627468U

CN220627468U - Flame-retardant wire

Info

Publication number: CN220627468U
Application number: CN202321884719.7U
Authority: CN
Inventors: 洪翔宇; 蔡哲辉; 蔡思漫
Original assignee: Guangdong Ketong Cable Co ltd
Current assignee: Guangdong Ketong Cable Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-03-19
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a flame-retardant electric wire, which comprises an outer sheath, wherein an air charging sleeve is arranged on the outer surface of the outer sheath, a supporting table is arranged on the outer surface of the air charging sleeve every hundred twenty degrees, an air charging cavity is arranged in the supporting table, an air charging opening is arranged on the outer side of the supporting table above the supporting table, an air channel is arranged in the air charging sleeve, and the air charging cavity is in through connection with the air channel. According to the utility model, through the cooperation of the honeycomb fireproof sleeve and the gas storage cavity, when the device is used, the wires inside the outer sheath can be protected through the honeycomb fireproof sleeve, the honeycomb fireproof sleeve is arranged in a honeycomb shape, and the inside of the outer sheath is sealed, so that when a fire disaster occurs, flames can be blocked outside through the honeycomb fireproof sleeve and cannot ignite the wires, and in addition, in a mode that the inside of the gas storage cavity is communicated with the gas filling cavity and the gas channel, when the fire disaster spreads to the position of the gas storage cavity, inert gas inside the gas storage cavity can be released, and thus a flame retardant effect is achieved.

Description

Flame-retardant wire

Technical Field

The utility model relates to the technical field of wires, in particular to a flame-retardant wire.

Background

The electric wire refers to a wire for transmitting electric power. The method comprises the steps of bare wires, electromagnetic wires and insulating wires. Bare wires are free of insulation and include copper, aluminum flat wires, overhead strands, and various profiles (e.g., profiles, bus bars, copper bars, aluminum bars, etc.).

Aiming at the prior art, the patent number is: the anti-interference flame-retardant cable disclosed by the patent name of CN201420108141.0 adopts a crosslinked polyethylene layer, and realizes the capabilities of enabling the cable to be wear-resistant, good in stress cracking resistance, heat aging resistance, environmental stress resistance and chemical corrosion resistance, but when a fire disaster occurs, flame near an electric wire is difficult to extinguish, so that the flame is easy to damage an internal lead.

When the existing electric wire is used, flame near the electric wire is difficult to extinguish, so that the flame is easy to damage an internal wire, and the flame retardant property is poor; therefore, the existing demand is not satisfied, and for this purpose we propose a flame-retardant electric wire.

Disclosure of Invention

The utility model aims to provide a flame-retardant wire, which solves the problems that flame near the wire is difficult to extinguish, so that the flame is easy to damage an internal wire, the flame retardant performance is poor and the like when the wire is used.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire-retardant electric wire, includes the oversheath, the surface of oversheath is equipped with the cover that aerifys, every hundred twenty degrees of surface that aerifys the cover are equipped with a brace table, the inside of brace table all is equipped with the chamber that aerifys, is located the top the outside of brace table is equipped with the inflation inlet, the inside that aerifys the cover is equipped with gas passage, it link up with gas passage to aerify the chamber, the inside of oversheath is fixed to be equipped with a plurality of honeycomb fire-resistant covers, every interval of the fire-resistant cover of honeycomb on the surface is equipped with a chamber that stores up of every direction, the inside and gas passage and the chamber that aerifys link up of chamber that stores up of gas.

Preferably, the inside of the air charging cavity is filled with inert gas through an air charging port.

Preferably, a plurality of wires are arranged on the inner side of the honeycomb refractory sleeve.

Preferably, the surface of the outer sheath is provided with a protective layer, the inner side of the protective layer is provided with a heat-resistant layer, the inner side of the heat-resistant layer is provided with a shielding layer, the protective layer is made of polyethylene, the heat-resistant layer is made of flame-retardant polyvinyl chloride, and the shielding layer is made of semiconductor paper.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the cooperation of the honeycomb fireproof sleeve and the gas storage cavity, when the device is used, wires inside the outer sheath can be protected through the honeycomb fireproof sleeve, the honeycomb fireproof sleeve is arranged in a honeycomb shape, and the inside of the outer sheath is sealed, so that when a fire disaster occurs, flames can be blocked outside through the honeycomb fireproof sleeve and cannot ignite the wires, and in addition, in a mode that the inside of the gas storage cavity is communicated with the gas filling cavity and the gas channel, when the fire disaster spreads to the position of the gas storage cavity, inert gas inside the gas storage cavity can be released, so that a flame retardant effect is achieved;

2. according to the utility model, when the device is used, the device can be firstly erected on the ground through any two support tables, so that the device is convenient to place, the outer sheath is protected through the air-filling sleeve and the support tables, when a fire disaster occurs, the air-filling sleeve and the support tables can be ignited by flames, and when the air-filling sleeve and the support tables generate holes, inert gases in the air-filling cavity and the gas channel can be released to extinguish the fire of the device, so that the device has good flame retardant property.

Drawings

FIG. 1 is a cross-sectional elevation view of the entirety of the present utility model;

FIG. 2 is a schematic view of a partial structure of the position of the honeycomb refractory jacket of the present utility model;

FIG. 3 is a schematic view of the partial layered structure of the part A of the present utility model.

In the figure: 1. an outer sheath; 2. an air-filling sleeve; 3. a support table; 4. an air-filling cavity; 5. an inflation inlet; 6. a leak-proof bolt; 7. a gas channel; 8. a honeycomb refractory sheath; 9. an air storage cavity; 10. a wire; 11. a shielding layer; 12. a heat-resistant layer; 13. and (5) a protective layer.

Detailed Description

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.

Referring to fig. 1 to 3, an embodiment of the present utility model provides: the utility model provides a fire-retardant electric wire, including oversheath 1, oversheath 1's surface is equipped with and fills gas sleeve 2, the surface that fills gas sleeve 2 is equipped with a brace table 3 every hundred twenty degrees, the inside of brace table 3 all is equipped with and fills gas chamber 4, the outside that is located brace table 3 of top is equipped with the inflation inlet 5, the inside that fills gas sleeve 2 is equipped with gas channel 7, it is connected with gas channel 7 link up to fill gas chamber 4, the inside of oversheath 1 is fixed and is equipped with a plurality of honeycomb fire-resistant cover 8, every interval of the oblique direction on honeycomb fire-resistant cover 8 surface is equipped with a gas storage chamber 9, the inside and the gas channel 7 of gas storage chamber 9 link up with gas chamber 4 of filling gas chamber.

Through adopting above-mentioned technical scheme, through the cooperation of the fire-resistant cover 8 of honeycomb and gas storage chamber 9, make the device when using, the inside wire 10 of the inside of oversheath 1 of accessible fire-resistant cover 8 of honeycomb is protected, make the fire-resistant cover 8 of honeycomb be the inside sealed of oversheath 1 of cellular arrangement, thereby when making the conflagration take place, can make the flame be blocked outside through the fire-resistant cover 8 and can not ignite wire 10, and through the mode that gas storage chamber 9 inside link up with inflatable chamber 4 and gas passage 7, when the conflagration spread the position of gas storage chamber 9, the inside inert gas of gas storage chamber 9 can release and thereby play fire-retardant effect.

Further, the inside of the inflation lumen 4 is inflated with an inert gas through the inflation port 5.

Through adopting above-mentioned technical scheme, through the cooperation of brace table 3 and inflating cover 2, make the device when using, can be earlier through arbitrary two brace tables 3 with the device at ground jack-up to make things convenient for the placing of device, and protect oversheath 1 through inflating cover 2 and brace table 3, when the conflagration takes place, the flame can ignite firstly inflating cover 2 and brace table 3, when inflating cover 2 and brace table 3 and produce the hole, the inside inert gas of inflation cavity 4 and gas passageway 7 can release and put out a fire to the flame, thereby make the device have better fire behavior.

Further, the inside of the honeycomb refractory sheath 8 is provided with a plurality of wires 10.

Further, a protective layer 13 is arranged on the surface of the outer sheath 1, a heat-resistant layer 12 is arranged on the inner side of the protective layer 13, a shielding layer 11 is arranged on the inner side of the heat-resistant layer 12, the protective layer 13 is made of polyethylene, the heat-resistant layer 12 is made of flame-retardant polyvinyl chloride, and the shielding layer 11 is made of semiconductor paper.

By adopting the technical scheme, the flame retardant property of the device is further improved through the cooperation of the protective layer 13, the heat-resistant layer 12 and the shielding layer 11.

Working principle: when the device is used, the device is placed at a designated position to check whether all parts work normally, through the cooperation of the honeycomb fireproof sleeve 8 and the gas storage cavity 9, the wire 10 in the outer sheath 1 can be protected through the honeycomb fireproof sleeve 8 when the device is used, the honeycomb fireproof sleeve 8 is arranged in a honeycomb shape to seal the inner part of the outer sheath 1, so that when a fire disaster happens, the flame can be blocked outside through the honeycomb fireproof sleeve 8 and cannot ignite the wire 10, and in addition, in a mode that the inside of the gas storage cavity 9 is communicated with the gas filling cavity 4 and the gas channel 7, when the fire disaster spreads to the position of the gas storage cavity 9, inert gas in the gas storage cavity 9 can be released to play a flame retardant role;

through the cooperation of brace table 3 and inflating cover 2, make the device when using, can be earlier through arbitrary two brace tables 3 with the device at ground frame to make things convenient for the placing of device, and protect outer sheath 1 through inflating cover 2 and brace table 3, when the conflagration takes place, the flame can ignite inflatable cover 2 and brace table 3 earlier, when inflating cover 2 and brace table 3 and producing the hole, the inside inert gas of inflation chamber 4 and gas passageway 7 can release and put out a fire to the flame, thereby make the device have better fire resistance.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. A flame retardant electric wire comprising an outer sheath (1), characterized in that: the outer surface of the outer sheath (1) is provided with an air charging sleeve (2), a supporting table (3) is arranged on the outer surface of the air charging sleeve (2) every hundred twenty degrees, an air charging cavity (4) is arranged inside the supporting table (3), an air charging opening (5) is arranged on the outer side of the supporting table (3) above, an air channel (7) is arranged inside the air charging sleeve (2), the gas-filled cavity (4) is in through connection with the gas channel (7), a plurality of honeycomb fireproof sleeves (8) are fixedly arranged in the outer sheath (1), each honeycomb fireproof sleeve (8) is provided with a gas storage cavity (9) in each interval in the oblique direction of the surface of each honeycomb fireproof sleeve (8), and the inside of the gas storage cavity (9) is in through connection with the gas channel (7) and the gas-filled cavity (4).

2. A flame retardant wire according to claim 1, wherein: the inside of the inflation cavity (4) is filled with inert gas through an inflation inlet (5).

3. A flame retardant wire according to claim 1, wherein: the inner side of the honeycomb fireproof sleeve (8) is provided with a plurality of wires (10).

4. A flame retardant wire according to claim 1, wherein: the surface of oversheath (1) is equipped with inoxidizing coating (13), the inboard of inoxidizing coating (13) is equipped with heat-resistant layer (12), the inboard of heat-resistant layer (12) is equipped with shielding layer (11), the material of inoxidizing coating (13) is the polyethylene, the material of heat-resistant layer (12) is fire-retardant polyvinyl chloride, the material of shielding layer (11) is the semiconductor paper.