CN218351153U

CN218351153U - Resistance to compression cable

Info

Publication number: CN218351153U
Application number: CN202221930493.5U
Authority: CN
Inventors: 黄松祥
Original assignee: Yangzhou Yicheng Cable Co ltd
Current assignee: Yangzhou Yicheng Cable Co ltd
Priority date: 2022-07-23
Filing date: 2022-07-23
Publication date: 2023-01-20
Anticipated expiration: 2032-07-23

Abstract

The utility model discloses a resistance to compression cable belongs to cable technical field. Including a plurality of sinle silk units, the sinle silk unit includes the sinle silk that sets gradually from inside to outside, the insulating layer, shielding layer and fire-retardant layer, the sinle silk unit is the annular and distributes, the center department that the sinle silk unit encloses is equipped with the internal stay skeleton, the internal stay skeleton is the polygon skeleton, the surface of sinle silk unit and each limit of internal stay skeleton are tangent to be set up, the outer lane of sinle silk unit is equipped with the exoskeleton, the outer lane of exoskeleton is equipped with the crushing layer, the surface on crushing layer has buffer layer and oversheath in proper order the cladding. The utility model introduces the compression-resistant layer in the structure, the compression-resistant layer is formed by connecting the compression-resistant blocks, the compression-resistant blocks can not only play a compression-resistant role, but also play a buffering role because a certain buffering space exists between the compression-resistant blocks, and can play a lasting compression-resistant effect; the utility model discloses all set up the skeleton in the inside and the outside of sinle silk unit, play bidirectional protection's effect to the sinle silk unit, cable compressive property is good.

Description

Resistance to compression cable

Technical Field

The utility model relates to a cable technical field specifically is a resistance to compression cable.

Background

Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting electric power and the like, and has wide application in daily life. The current cable suffers to roll for a long time and can cause the damage of cable in live time, in the prior art, introduce the compressive layer usually in the layer structure of cable, current compressive layer structure adopts the air cushion structure, this kind of structure has the damaged condition of air cushion after long-term the use, the whole compressive property of cable has been influenced, also partial cable adopts the compressive layer of one deck circled in the structure, and this kind of compressive layer is after receiving pressure, because its performance that does not possess the buffering, also the condition of rupture easily appears after long-time pressurized, can influence the whole compressive property of cable.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a resistance to compression cable.

The utility model discloses a realize through following technical scheme:

the utility model provides a resistance to compression cable, includes a plurality of sinle silk units, the sinle silk unit includes sinle silk, insulating layer, shielding layer and the fire-retardant layer that sets gradually from inside to outside, the sinle silk unit is the annular and distributes, the center department that the sinle silk unit encloses is equipped with the internal stay skeleton, the internal stay skeleton is the polygon skeleton, the surface of sinle silk unit and each limit of internal stay skeleton are tangent to be set up, the outer lane of sinle silk unit is equipped with the exoskeleton, the outer lane of exoskeleton is equipped with the resistance to compression layer, the surface on resistance to compression layer cladding has buffer layer and oversheath in proper order.

The anti-pressure layer is formed by connecting a plurality of anti-pressure blocks, the outer ends of the anti-pressure blocks are arc-shaped, and the anti-pressure blocks are made of rubber.

The inner support framework and the outer framework are both made of low-density polyethylene.

The buffer layer is made of rubber materials.

The outer sheath is made of low-density halogen-free polyethylene.

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

the utility model introduces the compression-resistant layer in the structure, the compression-resistant layer is formed by connecting the compression-resistant blocks, the compression-resistant blocks can not only play a role of compression resistance, but also play a role of buffering because a certain buffering space exists between the compression-resistant blocks, and can play a role of durable compression resistance; the utility model discloses all set up the skeleton in the inside and the outside of sinle silk unit, play bidirectional protection's effect to the sinle silk unit, cable compressive property is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. an internal bracing skeleton; 2. a wire core; 3. an insulating layer; 4. a shielding layer; 5. a flame retardant layer; 6. an outer skeleton; 7. a pressure resistant layer; 8. a buffer layer; 9. an outer sheath.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in figure 1 of the attached drawings of the specification, the compression-resistant cable comprises a plurality of cable core units, each cable core unit comprises a cable core 2, an insulating layer 3, a shielding layer 4 and a flame-retardant layer 5 which are sequentially arranged from inside to outside, the cable core units are distributed in an annular shape, an inner supporting framework 1 is arranged at the center surrounded by the cable core units, the inner supporting framework 1 is a polygonal framework, the outer surface of each cable core unit and each edge of the inner supporting framework 1 are arranged in a tangent mode, an outer framework 6 is arranged on the outer ring of each cable core unit, a compression-resistant layer 7 is arranged on the outer ring of each outer framework 6, and a buffer layer 8 and an outer sheath 9 are sequentially wrapped on the outer surface of each compression-resistant layer 7.

The anti-pressure layer 7 is formed by connecting a plurality of anti-pressure blocks, the outer ends of the anti-pressure blocks are arc-shaped, and the anti-pressure blocks are made of rubber.

The inner support framework 1 and the outer framework 6 are both made of low-density polyethylene.

The buffer layer 8 is made of rubber materials.

The outer sheath 9 is made of low-density halogen-free polyethylene.

Example 1

The utility model provides a resistance to compression cable, includes a plurality of sinle silk units, the sinle silk unit includes sinle silk 2, insulating layer 3, shielding layer 4 and the fire-retardant layer 5 that set gradually from inside to outside, the sinle silk unit is the annular and distributes, the center department that the sinle silk unit encloses is equipped with internal stay skeleton 1, internal stay skeleton 1 is the polygon skeleton, the surface of sinle silk unit and each limit tangent setting of internal stay skeleton 1, the outer lane of sinle silk unit is equipped with outer skeleton 6, outer skeleton 6's outer lane is equipped with resistance to compression layer 7, resistance to compression layer 7's surface cladding has buffer layer 8 and oversheath 9 in proper order. The inner supporting framework 1 and the outer framework 6 are both made of low-density polyethylene, the buffer layer 8 is made of rubber materials, and the outer sheath 9 is made of low-density halogen-free polyethylene.

In this embodiment, all set up the skeleton in the inside and the outside of core unit, internal stay skeleton 1 and 6 stable in structure of outer skeleton play bidirectional protection's effect to the core unit, and cable compressive property is good, sets up compressive layer 7 again in the outside of outer skeleton 6, and compressive layer 7 plays the effect of resistance to compression when the cable is compressed, can protect the cable, and buffer layer 8 has slowed down the pressure that the cable receives.

Example 2

The utility model provides a resistance to compression cable, includes a plurality of sinle silk units, the sinle silk unit includes sinle silk 2, insulating layer 3, shielding layer 4 and fire-retardant layer 5 that set gradually from inside to outside, the sinle silk unit is the annular and distributes, the center department that the sinle silk unit encloses is equipped with internal stay skeleton 1, internal stay skeleton 1 is the polygon skeleton, the surface of sinle silk unit and each limit tangent setting of internal stay skeleton 1, the outer lane of sinle silk unit is equipped with exoskeleton 6, the outer lane of exoskeleton 6 is equipped with resistance to compression layer 7, resistance to compression layer 7's surface cladding has buffer layer 8 and oversheath 9 in proper order.

The anti-pressure layer 7 is formed by connecting a plurality of anti-pressure blocks, the cross section of each anti-pressure block is conical, the outer end of each anti-pressure block is arc-shaped, and each anti-pressure block is made of rubber.

In this embodiment, the resistance to compression piece can play the effect of resistance to compression, simultaneously because resistance to compression piece taper design, has certain buffer space between the adjacent resistance to compression piece, has also played the effect of buffering, can play the effect of lasting resistance to compression.

The outer end of the pressure-resistant block is in an arc-shaped design, when the pressure is applied, the arc-shaped end of the pressure-resistant block cannot damage the buffer layer 8, the overall structure is reasonable in design, and the pressure resistance is durable.

In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit according to the scope of the claims should be included in the scope of the claims.

Claims

1. A crush-resistant cable, comprising: the cable core unit comprises a plurality of cable core units, the cable core unit comprises a cable core (2), an insulating layer (3), a shielding layer (4) and a flame-retardant layer (5), the cable core unit is distributed in an annular mode, a center formed by enclosing the cable core unit is provided with an inner supporting framework (1), the inner supporting framework (1) is a polygonal framework, the outer surface of the cable core unit and each edge of the inner supporting framework (1) are arranged in a tangent mode, an outer ring of the cable core unit is provided with an outer framework (6), the outer ring of the outer framework (6) is provided with a compression layer (7), and the outer surface of the compression layer (7) is sequentially coated with a buffer layer (8) and an outer sheath (9).

2. The crush-resistant cable of claim 1, wherein: the anti-pressure layer (7) is formed by connecting a plurality of anti-pressure blocks, the outer ends of the anti-pressure blocks are arc-shaped, and the anti-pressure blocks are made of rubber.

3. The crush-resistant cable of claim 1, wherein: the inner support framework (1) and the outer framework (6) are both made of low-density polyethylene.

4. The crush-resistant cable of claim 1, wherein: the buffer layer (8) is made of rubber materials.

5. The crush-resistant cable of claim 1, wherein: the outer sheath (9) is made of low-density halogen-free polyethylene.