CN214476606U

CN214476606U - Flame-retardant cable

Info

Publication number: CN214476606U
Application number: CN202120538539.8U
Authority: CN
Inventors: 李子彬
Original assignee: Anhui Sanhe Cable Co ltd
Current assignee: Anhui Sanhe Cable Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-10-22
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a flame retarded cable relates to cable technical field. Including the cable sheathing, cable sheathing inner wall and flame retardant layer outer fixed connection, flame retardant layer inner and soft built-in shell outer wall fixed connection, circular through-hole has been seted up on the soft built-in shell, the quantity of circular through-hole has six and with soft built-in shell central symmetry distribution, circular through-hole left end and cowl right-hand member swing joint, cowl lower extreme and fixed shell upper end sliding connection, fixed shell right-hand member and soft built-in shell inner wall fixed connection. This flame retarded cable, through be provided with soft built-in shell in the cable shell, after the cable produces the spontaneous combustion because the high temperature, just can open circular through-hole according to the heat swelling for the fire retardant can be through timely fire-retardant putting out a fire of carrying on of circular through-hole, and the slide bar restriction is relieved simultaneously and is popped out the separation fire retardant and flow down, makes fire-retardant more abundant.

Description

Flame-retardant cable

Technical Field

The utility model relates to the technical field of cables, specifically a flame retarded cable.

Background

Power cables are cables that transmit and distribute electrical energy and have a history of use for over a hundred years. In 1879, Edison, the United states inventor, wound jute around a copper rod and threaded it into an iron pipe, and then filled with an asphalt mixture to make a cable. He laid a secondary cable in new york, opening up underground power transmission. Since then, improvements are continuously made to improve the performance of the cable in various aspects.

In the prior art, the temperature of the cable becomes high after long-time working, so that the cable is easy to be damaged due to spontaneous combustion, but the conventional cable is simple in structure, so that the spontaneous combustion of the cable cannot be well treated, the flame-retardant effect is poor, and the working efficiency of the cable is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a flame retarded cable has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a flame-retardant cable comprises a cable shell, wherein the inner wall of the cable shell is fixedly connected with the outer end of a flame retardant layer, the inner end of the flame retardant layer is fixedly connected with the outer wall of a soft built-in shell, the soft built-in shell is provided with six circular through holes which are symmetrically distributed at the center of the soft built-in shell, the left end of each circular through hole is movably connected with the right end of an arc-shaped baffle plate, the lower end of the arc-shaped baffle plate is slidably connected with the upper end of the fixed shell, the right end of the fixed shell is fixedly connected with the inner wall of the soft built-in shell, the bottom end of the arc-shaped baffle plate is fixedly connected with the upper end of a first sliding plate, the left end of the first sliding plate is slidably connected with the inner wall of the left end of the fixed shell, the right end of the fixed shell is fixedly connected with the right end of a protection plate, and the lower end of the protection plate is fixedly connected with the upper right end of a fixed tube, the right end of the fixed pipe is fixedly connected with the outer wall of the left end of the fixed shell.

Preferably, the left end of the fixed pipe is connected with the sliding rod in a sliding mode, the outer wall of the right end of the sliding rod is fixedly connected with the second sliding plate, and the second sliding plate is connected with the inner wall of the fixed pipe in a sliding mode.

Preferably, the left end of the second sliding plate is fixedly connected with the right end of the spring, the left end of the spring is fixedly connected with the inner wall of the left end of the fixed pipe, and the spring is sleeved on the outer wall of the sliding rod.

Preferably, the right lower end of the sliding rod is provided with a square groove, the lower end of the square groove is movably connected with the upper end of the baffle, the lower end of the baffle is fixedly connected with the left upper end of the connecting plate, and the right upper end of the connecting plate is fixedly connected with the bottom end of the arc-shaped sliding rod.

Preferably, the top end of the arc-shaped sliding rod is fixedly connected with the lower end of a third sliding plate, the left end of the third sliding plate is slidably connected with the inner wall of the left end of the fixed shell, and the right end of the third sliding plate is slidably connected with the inner wall of the soft built-in shell.

Preferably, a cable conductor is arranged in the soft built-in shell.

(III) advantageous effects

The utility model provides a flame retardant cable. The method has the following beneficial effects:

(1) this flame retarded cable, through be provided with soft built-in shell in the cable sheathing, after the cable produces the spontaneous combustion because the high temperature, just can make cowl rotate clockwise according to the heat swell to open circular through-hole, make the intraformational fire retardant of fire retardant can flow in soft built-in shell through circular through-hole, timely fire-retardant putting out a fire, reach automatic timely fire-retardant effect.

(2) This flame retarded cable, when arc baffle clockwise rotation opened circular through-hole, a slide just can promote No. three slides and move down to the restriction of contact baffle and square groove, make the slide bar pop out left because the pulling force effect of spring, the slide bar just can support cable conductor and prevent the fire retardant from flowing downwards, makes the fire retardant can carry out fire-retardant putting out a fire to the position of burning a fire fully, improves fire extinguishing efficiency.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure A of the present invention;

FIG. 3 is an enlarged schematic view of the structure B of the present invention;

FIG. 4 is an enlarged schematic view of the structure of the present invention C;

fig. 5 is a schematic view of the structure of the soft built-in housing of the present invention.

In the figure: the cable comprises a cable shell 1, a flame retardant layer 2, a soft built-in shell 3, a circular through hole 4, an arc baffle 5, a fixed shell 6, a first sliding plate 7, a protective plate 8, a fixed pipe 9, a sliding rod 10, a second sliding plate 11, a spring 12, a square groove 13, a baffle 14, a connecting plate 15, an arc sliding rod 16, a third sliding plate 17 and a cable conductor 18.

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. 1-5, the present invention provides a technical solution: a flame-retardant cable comprises a cable shell 1, wherein the cable shell 1 is made of non-reflective materials. The inner wall of the cable shell 1 is fixedly connected with the outer end of the flame retardant layer 2, the inner end of the flame retardant layer 2 is fixedly connected with the outer wall of the soft built-in shell 3, the soft built-in shell 3 is provided with six circular through holes 4, the circular through holes 4 are distributed symmetrically at the center of the soft built-in shell 3, the left end of each circular through hole 4 is movably connected with the right end of the arc-shaped baffle plate 5, the lower end of the arc-shaped baffle plate 5 is slidably connected with the upper end of the fixed shell 6, the right end of the fixed shell 6 is fixedly connected with the inner wall of the soft built-in shell 3, the bottom end of the arc-shaped baffle plate 5 is fixedly connected with the upper end of the first sliding plate 7, the left end of the first sliding plate 7 is slidably connected with the inner wall of the fixed shell 6, the right end of the first sliding plate 7 is slidably connected with the inner wall of the soft built-in shell 3, and the outer wall of the left end of the fixed shell 6 is fixedly connected with the right end of the guard plate 8, the thermal expansion of the hot gas is only caused by the heat applied to the upper part of the stationary housing 6 due to the thermal non-conductivity of the shield 8. 8 lower extremes of backplate and fixed 9 upper right ends fixed connection of pipe, fixed 9 right-hand members of pipe and the 6 left end outer wall fixed connection of fixed shell, through be provided with soft built-in shell 3 in cable housing 1, after the cable produces the spontaneous combustion because the high temperature, just can make cowl 5 clockwise rotation according to the heat bloated, thereby open circular through-hole 4, make the fire retardant in fire retardant layer 2 can flow in soft built-in shell 3 through circular through-hole 4, timely fire-retardant putting out of putting, reach automatic timely fire-retardant effect.

The left end of a fixed pipe 9 is connected with a slide bar 10 in a sliding way, the outer wall of the right end of the slide bar 10 is fixedly connected with a second slide plate 11, the second slide plate 11 is connected with the inner wall of the fixed pipe 9 in a sliding way, the left end of the second slide plate 11 is fixedly connected with the right end of a spring 12, the left end of the spring 12 is fixedly connected with the inner wall of the left end of the fixed pipe 9, the spring 12 is sleeved on the outer wall of the slide bar 10, the right lower end of the slide bar 10 is provided with a square groove 13, the lower end of the square groove 13 is movably connected with the upper end of a baffle plate 14, the lower end of the baffle plate 14 is fixedly connected with the left upper end of a connecting plate 15, the right upper end of the connecting plate 15 is fixedly connected with the bottom end of an arc slide bar 16, the top end of the arc slide bar 16 is fixedly connected with the lower end of a third slide plate 17, the left end of a third slide plate 17 is connected with the inner wall of a fixed shell 6 in a sliding way, the right end of the soft inner shell 3, a cable body 18 is arranged in the inner shell 3, when the arc baffle plate 5 rotates clockwise to open a circular through hole 4, slide 7 just can promote No. three slide 17 and move down to the restriction of touch screen 14 and square groove 13 makes slide bar 10 pop out to the left because the pulling force effect of spring 12, and slide bar 10 just can support cable conductor 18 and prevent the fire retardant from flowing down, makes the fire retardant can carry out fire-retardant fire extinguishing to the fire position fully, improves fire extinguishing efficiency.

When the cable conductor 18 works (or is used), after the cable conductor 18 generates spontaneous combustion due to overhigh temperature, the temperature is transmitted to the gas inside the fixed shell 6 through the upper part of the fixed shell 6, so that the gas on the upper part of the fixed shell 6 is heated and expanded, then the hot gas pushes the first sliding plate 7 to slide downwards clockwise, the first sliding plate 7 pulls the arc-shaped baffle plate 5 to slide clockwise, the circular through hole 4 is opened, the flame retardant in the flame retardant layer 2 can enter the soft built-in shell 3 through the circular through hole 4, the cable conductor 18 which burns the flame is subjected to flame retardant fire extinguishing treatment, meanwhile, the first sliding plate 7 also pushes the third sliding plate 17 to slide clockwise, the third sliding plate 17 drives the connecting plate 15 to slide clockwise through the arc-shaped sliding rod 16, the connecting plate 15 drives the baffle plate 14 to move downwards to be separated from the square groove 13, and the second sliding plate 11 moves leftwards under the tensile force of the spring 12, no. two slide 11 drives slide bar 10 and moves left and pop out to the separation fire retardant downflow makes the fire retardant can carry out abundant fire-retardant to the fire position, improves fire-retardant efficiency, to sum up, through be provided with soft built-in shell 3 in cable jacket 1, after the cable produces the spontaneous combustion because the high temperature, just can open circular through-hole 4 according to the thermal expansion, makes the fire retardant can be through the timely fire-retardant fire extinguishing that carries on of circular through-hole 4, and the restriction of slide bar 10 is relieved simultaneously and is popped out the downward flow of separation fire retardant, makes fire-retardant more abundant.

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. A flame retardant cable comprising a cable jacket (1), characterized in that: the inner wall of the cable shell (1) is fixedly connected with the outer end of the flame retardant layer (2), the inner end of the flame retardant layer (2) is fixedly connected with the outer wall of the soft built-in shell (3), the soft built-in shell (3) is provided with six circular through holes (4), the circular through holes are distributed symmetrically with the center of the soft built-in shell (3), the left end of each circular through hole (4) is movably connected with the right end of the arc-shaped baffle (5), the lower end of the arc-shaped baffle (5) is slidably connected with the upper end of the fixed shell (6), the right end of the fixed shell (6) is fixedly connected with the inner wall of the soft built-in shell (3), the bottom end of the arc-shaped baffle (5) is fixedly connected with the upper end of the first sliding plate (7), the left end of the first sliding plate (7) is slidably connected with the inner wall of the left end of the fixed shell (6), and the right end of the first sliding plate (7) is slidably connected with the inner wall of the soft built-in shell (3), the fixed casing (6) left end outer wall and backplate (8) right-hand member fixed connection, backplate (8) lower extreme and fixed pipe (9) upper right end fixed connection, fixed pipe (9) right-hand member and fixed casing (6) left end outer wall fixed connection.

2. A flame retardant cable according to claim 1, wherein: fixed pipe (9) left end and slide bar (10) sliding connection, slide bar (10) right-hand member outer wall and No. two slide (11) fixed connection, No. two slide (11) and fixed pipe (9) inner wall sliding connection.

3. A flame retardant cable according to claim 2, wherein: the left end of the second sliding plate (11) is fixedly connected with the right end of the spring (12), the left end of the spring (12) is fixedly connected with the inner wall of the left end of the fixed pipe (9), and the spring (12) is sleeved on the outer wall of the sliding rod (10).

4. A flame retardant cable according to claim 2, wherein: square groove (13) have been seted up to slide bar (10) right side lower extreme, square groove (13) lower extreme and baffle (14) upper end swing joint, baffle (14) lower extreme and connecting plate (15) upper left end fixed connection, connecting plate (15) upper right end and arc slide bar (16) bottom fixed connection.

5. A flame retardant cable according to claim 4, wherein: the top end of the arc-shaped sliding rod (16) is fixedly connected with the lower end of a third sliding plate (17), the left end of the third sliding plate (17) is slidably connected with the inner wall of the left end of the fixed shell (6), and the right end of the third sliding plate (17) is slidably connected with the inner wall of the soft built-in shell (3).

6. A flame retardant cable according to claim 1, wherein: and a cable lead (18) is arranged in the soft built-in shell (3).