CN207718913U - A kind of fireproof electric wire - Google Patents

Abstract

The utility model discloses a kind of fireproof electric wires, including wire body, the outer surface of the wire body slidably connects the first annulus, second annulus, first annulus, the inner surface of second annulus slidably connects bending stripper plate by cavity, the lower surface of the bending stripper plate is fixedly connected with rubber block, the inner surface of the bending stripper plate is rotatably connected to ejector pin by turn trough, the ejector pin is connected to the first annulus by threads turn, second annulus inner surface, the rear inside surface of first annulus is rotatably connected to riffled tube by annular groove, the riffled tube is rotatably connected on the male-pipe outer surface of the second annulus, the fireproof electric wire can protect electric wire by refractory layer and fireprotection layer in high temperature and fire, it cannot be easily caused the separation of wire body connecting part when by external force traction.

Description

A kind of fireproof electric wire

Technical field

The utility model is related to Power-line technology field, specially a kind of fireproof electric wire.

Background technology

In social fast-developing today, various electric appliances are increasingly be unable to do without, therefore electric energy is modern indispensable energy Source, electric energy are transmitted by electric wire, and electric wire type is more and more, as some spies state under environment such as high temperature and fire hazard environment Under, it at this moment just needs to provide a kind of fireproof electric wire, is all also viscous by insulating tape package after the connection of electric wire the end of a thread It closes, does not have barrier propterty in this way, if by external force traction, connecting part separation may be easy to cause, lead to circuit breaker, meeting Cause certain loss.

Utility model content

The purpose of this utility model is to provide a kind of fireproof electric wires, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions：A kind of fireproof electric wire, including wire body, The outer surface of the wire body slidably connects the first annulus, the second annulus, first annulus, the second annulus inner surface Bending stripper plate is slidably connected by cavity, the lower surface of the bending stripper plate is fixedly connected with rubber block, the bending The inner surface of stripper plate is rotatably connected to ejector pin by turn trough, and the ejector pin is connected to the first annulus, by threads turn The rear inside surface of two annulus inner surfaces, first annulus is rotatably connected to riffled tube, the interior spiral shell by annular groove Line pipe is rotatably connected on the male-pipe outer surface of the second annulus.

Preferably, first annulus, the second annulus inner surface are equipped with rubber layer.

Preferably, the ejector pin inner surface is equipped with through-hole.

Preferably, the wire body includes conducting wire, the first insulation spool, the second insulation spool, refractory layer, steel wire, third Insulate spool, fireprotection layer, conducting wire outer surface package the first insulation spool, first insulation spool outer surface the second insulation of package Spool, the second insulation spool inner surface are covered with refractory layer, and the second insulation spool outer surface is fixedly connected with steel wire, steel wire Net outer surface wraps up third insulation spool, and third insulation spool outer surface is covered with fireprotection layer.

Compared with prior art, the utility model has the beneficial effects that：The fireproof electric wire passes through refractory layer and fire prevention Layer can protect electric wire in high temperature and fire, be connected on male-pipe by riffled tube at electrical wire wiring, be wrapped in and connect Outside at line, is fixed by being bent stripper plate extruding wire body, the separation of wire body connecting part is cannot be easily caused when by external force traction.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the wire body partial structurtes side sectional view of the utility model.

In figure：1 wire body, 2 first annulus, 3 second annulus, 4 cavitys, 5 bending stripper plates, 6 rubber blocks, 7 turn troughs, 8 ejector pins, 9 annular grooves, 10 riffled tubes, 12 male-pipes, 13 rubber layers, 14 through-holes, 15 conducting wires, 16 first insulation spools, 17 second insulation Spool, 18 refractory layers, 19 steel wires, 20 thirds insulation spool, 21 fireprotection layers.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, does not indicate or imply the indicated dress It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model Limitation.

- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of fireproof electric wire, including wire body 1, line The outer surface of body 1 slidably connects the first annulus 2, the second annulus 3, the first annulus 2, the second annulus 3 inner surface pass through Cavity 4 slidably connects bending stripper plate 5, and the lower surface of bending stripper plate 5 is fixedly connected with rubber block 6, bending stripper plate 5 Inner surface is rotatably connected to ejector pin 8 by turn trough 7, and ejector pin 8 is connected to the first annulus 2, in the second annulus 3 by threads turn The rear inside surface of side surface, the first annulus 2 is rotatably connected to riffled tube 10 by annular groove 9, and the rotation of riffled tube 10 connects It is connected on 12 outer surface of male-pipe of the second annulus 3, the first annulus 2,3 inner surface of the second annulus are equipped with rubber layer 13, top 8 inner surface of pin is equipped with through-hole 14, this is in order to by after 1 connecting part of both threads body is wrapped up by insulating tape, by second Annulus 3 slides into the connecting part end, will be received in male-pipe 12 at insulating tape package, at this moment by ejector pin 8 in the second circle It is inwardly rotated in ring 3, ejector pin 8 rotates in the turn trough 7 in bending stripper plate 5, heads on the bending sliding of stripper plate 5 downwards and is extruded in 1 outer surface of wire body is fixed, then by sliding into the first annulus 2 at male-pipe 12, the first annulus 2 bit by bit slides, The rotation in the annular groove 9 by riffled tube 10, the at this moment rotation of riffled tube 10 are fixed on male-pipe 12, then by the first annulus Bending stripper plate 5 in 2 is extruded in 1 outer surface of wire body and fixes, and rubber layer 13 will not be slided in the first annulus 2 and the second annulus 3 1 surface of damage wire body when dynamic, rubber block 6 in order to increase with 1 skin-friction force of wire body, fixation is more firm, then a steel wire is taken to pass through Through-hole 14 passes through 8 inner surface of ejector pin on the first annulus 2 and the second annulus 3, and steel wire both ends are tightened and are fixed together, in this way Ejector pin 8 is caused to loosen when because shaking wire body 1 in order not to meeting, wire body 1 includes that the insulation spool 16, second of conducting wire 15, first insulate Spool 17, refractory layer 18, steel wire 19, third insulation spool 20, fireprotection layer 21,15 outer surface of conducting wire wrap up the first insulated wire Pipe 16, first insulation 16 outer surface of spool package the second insulation spool 17, the second insulation 17 inner surface of spool is covered with heat-resisting Layer 18, the second insulation 17 outer surface of spool are fixedly connected with steel wire 19, and 19 outer surface of steel wire wraps up third insulated wire Pipe 20, third insulation 20 outer surface of spool are covered with fireprotection layer 21, can be in high temperature and fire by fireprotection layer 21 and refractory layer 18 When protection conducting wire 15 be not damaged, the toughness of wire body 1 can be increased by steel wire 19, be not easy to break wire body when external force is very big 1。

The utility model is in the specific implementation：By after 1 connecting part of both threads body is wrapped up by insulating tape when use, Second annulus 3 is slided into the connecting part end, will receive in male-pipe 12 at insulating tape package, at this moment existed by ejector pin 8 It is inwardly rotated in second annulus 3, ejector pin 8 rotates in the turn trough 7 in bending stripper plate 5, heads on bending stripper plate 5 downwards and slides It is extruded in 1 outer surface of wire body to fix, then by sliding into the first annulus 2 at male-pipe 12, the first annulus 2 is bit by bit Sliding, the rotation in the annular groove 9 by riffled tube 10, the at this moment rotation of riffled tube 10 are fixed on male-pipe 12, then by the Bending stripper plate 5 in one annulus 2 is extruded in 1 outer surface of wire body and fixes, and rubber layer 13 will not justify in the first annulus 2 and second Damage wire body 1 surface when ring 3 slides, rubber block 6 in order to increase with 1 skin-friction force of wire body, fixation is more firm, then takes a steel wire 8 inner surface of ejector pin on the first annulus 2 and the second annulus 3 is passed through by through-hole 14, steel wire both ends are tightened and are fixed together, It, can be in high temperature and fire by fireprotection layer 21 and refractory layer 18 in this way in order not to ejector pin 8 be caused to loosen when because shaking wire body 1 When protection conducting wire 15 be not damaged, the toughness of wire body 1 can be increased by steel wire 19, be not easy to break wire body when external force is very big 1。

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of fireproof electric wire, including wire body（1）, it is characterised in that：The wire body（1）Outer surface slidably connect First annulus（2）, the second annulus（3）, first annulus（2）, the second annulus（3）Inner surface pass through cavity（4）Sliding It is connected with bending stripper plate（5）, the bending stripper plate（5）Lower surface be fixedly connected with rubber block（6）, the bending extruding Plate（5）Inner surface pass through turn trough（7）It is rotatably connected to ejector pin（8）, the ejector pin（8）It is connected to first by threads turn Annulus（2）, the second annulus（3）Inner surface, first annulus（2）Rear inside surface pass through annular groove（9）Rotation connection There is riffled tube（10）, the riffled tube（10）It is rotatably connected on the second annulus（3）Male-pipe（12）Outer surface.

2. a kind of fireproof electric wire according to claim 1, it is characterised in that：First annulus（2）, the second annulus （3）Inner surface is equipped with rubber layer（13）.

3. a kind of fireproof electric wire according to claim 1, it is characterised in that：The ejector pin（8）Inner surface is equipped with Through-hole（14）.

4. a kind of fireproof electric wire according to claim 1, it is characterised in that：The wire body（1）Including conducting wire（15）、 First insulation spool（16）, second insulation spool（17）, refractory layer（18）, steel wire（19）, third insulate spool（20）, fire prevention Layer（21）, conducting wire（15）Outer surface package the first insulation spool（16）, the first insulation spool（16）Outer surface package second Insulate spool（17）, the second insulation spool（17）Inner surface is covered with refractory layer（18）, the second insulation spool（17）Outer surface It is fixedly connected with steel wire（19）, steel wire（19）Outer surface wraps up third insulation spool（20）, third insulation spool（20） Outer surface is covered with fireprotection layer（21）.