CN216054003U

CN216054003U - High fire-retardant high fire resistance electric wire and cable

Info

Publication number: CN216054003U
Application number: CN202121572359.8U
Authority: CN
Inventors: 陈林霞; 王康乐
Original assignee: Anhui Hongyun Instrument Cable Co ltd
Current assignee: Anhui Hongyun Instrument Cable Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-03-15
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a high-flame-retardant and high-fire-resistant wire cable which comprises a cable body, wherein a wire core is arranged inside the cable body, an insulating layer is arranged in the middle of the outer surface of the wire core, a flame-retardant layer is arranged on the outer surface of the insulating layer, a flame-retardant layer is arranged on the outer surface of the flame-retardant layer, a water-resisting layer is arranged on the outer surface of the flame-retardant layer, a protective layer is arranged on the outer surface of the water-resisting layer, clamping blocks are fixedly arranged on the two sides of the front end surface and the rear end surface of the cable body, jacks are arranged on the opposite sides of the outer surfaces of the two clamping blocks, a sheath is arranged at the front end and the rear end of the outer surface of the wire core, a round hole is arranged in the sheath in a penetrating manner, through holes are arranged on the two sides of the outer surface of the sheath, an inserting rod is arranged on the inner side of the through hole, and a spring is sleeved on the outer surface of the inserting rod. The cable has good fire resistance and flame retardance, and is convenient for lapping the cable body.

Description

High fire-retardant high fire resistance electric wire and cable

Technical Field

The utility model relates to the technical field of wires and cables, in particular to a wire and cable with high flame retardance and high fire resistance.

Background

With the rapid development of social economy, the application of electric wires and cables in various social industry fields is increasing, the demand is diversified, and the electric wires and cables are wire products for transmitting electric energy and electric signals and realizing electromagnetic energy conversion. The cable generally comprises a cable core for transmitting electric power or electric signals and a sheath for protecting and insulating. Cables having only one core and having a relatively small diameter are generally referred to as wires. There are also electric wires without an insulating sheath, called bare wires, in which electric wires and cables used in some important engineering facilities, public places, precision equipment, large machinery have higher and higher requirements for insulating shielding performance and flame retardant performance. In these fields, the development of highly flame-retardant insulated electric wires and cables is an important trend.

However, the existing wire and cable have poor flame retardant property, and are easy to cause serious damage to the inner core of the cable due to high temperature and fire, thereby causing great economic loss, and the existing cable is inconvenient in connection, needs to peel off the outer layer of the wire core, and wastes time and labor; therefore, the existing requirements are not met, and a high-flame-retardant and high-fire-resistant wire cable is provided for the wire cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-flame-retardant and high-fire-resistant wire cable, which aims to solve the problems that the conventional wire cable in the background art is poor in flame-retardant property, is easy to cause serious damage to an inner core of the cable due to high temperature and fire, so that great economic loss is caused, and the conventional cable is inconvenient in connection, needs to strip an outer layer of a wire core, wastes time and labor and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: a high flame-retardant and high fire-resistant electric wire cable comprises a cable body, wherein a wire core is arranged inside the cable body, an insulating layer is arranged in the middle of the outer surface of the wire core, a flame-retardant layer is arranged on the outer surface of the insulating layer, the outer surface of the flame-retardant layer is provided with a flame-retardant layer, the outer surface of the flame-retardant layer is provided with a water-resisting layer, the outer surface of the waterproof layer is provided with a protective layer, the two sides of the front end surface and the rear end surface of the cable body are fixedly provided with clamping blocks, one side of the outer surfaces of the two clamping blocks, which is opposite to each other, is provided with an insertion hole, the front end and the rear end of the outer surface of the wire core are both provided with a sheath, the inside of the sheath is provided with a round hole in a penetrating way, the novel protective sleeve is characterized in that through holes are formed in two sides of the outer surface of the protective sleeve, an inserting rod is arranged on the inner side of each through hole, a spring is sleeved on the outer surface of each inserting rod, and clamping grooves are symmetrically formed in two sides of one side, opposite to the outer surface of the protective sleeve, of the corresponding side.

Preferably, the clamping block is matched with the clamping groove, and the inserted bar is matched with the insertion hole.

Preferably, one side of the outer surface of the inserted bar is sleeved with a limiting plate, one end of the spring is fixedly connected with the outer surface of the limiting plate, and the other end of the spring is fixedly connected with the inner wall of the through hole.

Preferably, the flame-retardant layer is a polyethylene honeycomb tube, and diatom ooze is filled in the polyethylene honeycomb tube.

Preferably, the fire-resistant layer is phenolic resin reinforced fiber.

Preferably, the round hole is matched and matched with the wire core.

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

1. according to the utility model, the flame-retardant layer and the flame-retardant layer are arranged, the flame-retardant layer is the polyethylene honeycomb tube, and the diatom ooze is filled in the polyethylene honeycomb tube, so that the flame-retardant property of the cable body can be greatly improved, the strength of the cable body can be increased by arranging the honeycomb structure, the fire resistance of the phenolic resin reinforced fiber is good, and the flame-retardant property of the cable is good;

2. according to the utility model, by arranging the clamping block, the protective sleeve, the inserting rods, the clamping grooves, the through holes, the springs and the jacks, when the cable bodies need to be connected, one ends of the two cable bodies needing to be connected are placed together, the two inserting rods on the two protective sleeves are pulled outwards at the same time, the inserting rods leave the inner sides of the jacks, the limiting on the clamping block is removed, the protective sleeves can be detached from the cable bodies, the wire cores at the two ends are exposed, and the connection can be carried out.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a cross-sectional view of the present invention in its entirety;

fig. 3 is a cross-sectional view of the cable body of the present invention.

In the figure: 1. a cable body; 2. a sheath; 3. a wire core; 4. inserting a rod; 5. a clamping block; 6. a circular hole; 7. a card slot; 8. a through hole; 9. a spring; 10. a jack; 11. an insulating layer; 12. a flame retardant layer; 13. a refractory layer; 14. a water barrier layer; 15. and a protective layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 3, an embodiment of the present invention includes: the utility model provides a high fire resistance wire and cable of high fire-retardant, including cable body 1, cable body 1's inside is provided with sinle silk 3, the centre of sinle silk 3 surface is provided with insulating layer 11, insulating layer 11's surface is provided with fire-retardant layer 12, fire-retardant layer 12's surface is provided with flame retardant coating 13, fire retardant coating 13's surface is provided with water barrier 14, water barrier 14's surface is provided with protective layer 15, the both sides fixed mounting of terminal surface and rear end face before cable body 1 has fixture block 5, one side that two fixture block 5 surfaces carried on the back mutually is provided with jack 10, the front end and the rear end of sinle silk 3 surface all are provided with sheath 2, the inside of sheath 2 is run through and is provided with round hole 6, the both sides of sheath 2 surface are provided with through-hole 8, the inboard of through-hole 8 is provided with inserted bar 4, the surface cover of inserted bar 4 is equipped with spring 9, the bilateral symmetry of the relative one side of two sheath 2 surfaces is provided with draw-in groove 7.

Furthermore, the fixture block 5 is matched with the clamping groove 7, the inserted link 4 is matched with the jack 10, the fixture block 5 can be clamped into the inner side of the clamping groove 7, and the inserted link 4 can be inserted into the inner side of the jack 10.

Further, one side cover of inserted bar 4 surface is equipped with the limiting plate, and the one end of spring 9 is connected with the surface fixed connection of limiting plate, and the other end of spring 9 and the inner wall fixed connection of through-hole 8 improve the stability of inserted bar 4.

Further, fire-retardant layer 12 is the polyethylene honeycomb pipe, and the intraductal diatom mud that fills of polyethylene honeycomb, and the fire behaviour that fills diatom mud can promote cable body 1 greatly between fire-retardant layer 12, and sets to honeycomb and can increase cable body 1's intensity.

Furthermore, the fire-resistant layer 13 is made of phenolic resin reinforced fibers, and the phenolic resin reinforced fibers have good fire resistance.

Further, the round hole 6 is matched with the wire core 3, and the wire core 3 can be clamped on the inner side of the round hole 6.

The working principle is as follows: during the use, through being provided with fire-retardant layer 12, flame retardant coating 13, fire-retardant layer 12 is the polyethylene honeycomb pipe, and the intraductal diatom mud that fills of polyethylene honeycomb, can promote cable body 1's flame retardant property greatly, and set to honeycomb structure and can increase cable body 1's intensity, the phenolic resin reinforcing fiber is fire-resistant good, when needs are connected cable body 1, put the one end that two cable body 1 need connect together, again with two inserted bars 4 on two sheaths 2 outside pulling simultaneously, inserted bar 4 leaves the inboard of jack 10, the spacing to fixture block 5 has been relieved, can pull down sheath 2 from cable body 1, expose both ends sinle silk 3 and can connect, the utility model discloses fire-resistant flame retardant property is good, and be convenient for carry out the overlap joint to cable body 1.

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 invention may be embodied in other specific forms without departing from the spirit or essential attributes 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. The utility model provides a high fire-retardant high fire resistance wire and cable, includes cable body (1), its characterized in that: the cable comprises a cable body (1), a wire core (3) is arranged inside the cable body (1), an insulating layer (11) is arranged in the middle of the outer surface of the wire core (3), a flame-retardant layer (12) is arranged on the outer surface of the insulating layer (11), a flame-retardant layer (13) is arranged on the outer surface of the flame-retardant layer (12), a water-resisting layer (14) is arranged on the outer surface of the flame-retardant layer (13), a protective layer (15) is arranged on the outer surface of the water-resisting layer (14), clamping blocks (5) are fixedly arranged on two sides of the front end surface and the rear end surface of the cable body (1), jacks (10) are arranged on one side of the outer surfaces of the two clamping blocks (5) opposite to each other, a sheath (2) is arranged at the front end and the rear end of the outer surface of the wire core (3), a round hole (6) penetrates through the interior of the sheath (2), and through holes (8) are arranged on two sides of the outer surface of the sheath (2), the inner side of the through hole (8) is provided with an inserting rod (4), the outer surface of the inserting rod (4) is sleeved with a spring (9), and two clamping grooves (7) are symmetrically arranged on two sides of one side, opposite to the outer surface, of the sheath (2).

2. A high flame retardant and high fire resistant electrical wire cable according to claim 1, wherein: the clamping block (5) is matched with the clamping groove (7), and the inserted bar (4) is matched with the insertion hole (10).

3. A high flame retardant and high fire resistant electrical wire cable according to claim 1, wherein: one side cover of inserted bar (4) surface is equipped with the limiting plate, the one end of spring (9) with the surface fixed connection of limiting plate, the other end of spring (9) with the inner wall fixed connection of through-hole (8).

4. A high flame retardant and high fire resistant electrical wire cable according to claim 1, wherein: the flame-retardant layer (12) is a polyethylene honeycomb tube.

5. A high flame retardant and high fire resistant electrical wire cable according to claim 1, wherein: the fire-resistant layer (13) is phenolic resin reinforced fiber.

6. A high flame retardant and high fire resistant electrical wire cable according to claim 1, wherein: the round hole (6) is matched with the wire core (3).