CN215896021U

CN215896021U - Anti-extrusion elastic cable

Info

Publication number: CN215896021U
Application number: CN202122187917.5U
Authority: CN
Inventors: 游选波
Original assignee: Yingtan Shenjiang Technology Co ltd
Current assignee: Yingtan Shenjiang Technology Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-02-22
Anticipated expiration: 2031-09-10

Abstract

The utility model provides an anti-extrusion elastic cable which comprises a plurality of wire cores, wherein the wire cores are in a fan shape and are distributed annularly along the axis of the cable, insulating layers are wrapped outside the wire cores, elastic ropes are arranged between adjacent wire cores, a buffer part is arranged in the center of the cable, the buffer part is in a hollow structure and abuts against all the insulating layers outside the wire cores, the wire cores and the elastic ropes are wrapped by shielding layers, elastic particles are filled in gaps, the shielding layers are wrapped by elastic layers, and the elastic layers are wrapped by sheaths. The cable core is spaced by the elastic rope, and the hollow buffer piece is arranged in the center of the cable, so that the cable can resist through elastic deformation when being extruded by external force, and the cable is prevented from being damaged by extrusion.

Description

Anti-extrusion elastic cable

Technical Field

The utility model relates to a cable, in particular to an anti-extrusion elastic cable.

Background

The cable is made of one or more mutually insulated conductors and an outer-coated insulating protective layer, is used for transmitting power or information to a wire at another position, and has the characteristics of internal electrification and external insulation. With the rapid development of social economy in China, important engineering facilities such as subways, airports, railways, tunnels and the like and personnel-intensive occasions such as intelligent districts, large supermarkets, public places and the like are more and more, and the requirements of people on power cables are higher and higher in order to guarantee the life and property safety of people. Elasticity and compressive property of traditional power cable are difficult to obtain the assurance, and the cable receives outside extrusion in the use, leads to the wire to warp easily, influences power transmission, and safety and stability is poor, is difficult to satisfy the user demand. To this end, we propose an anti-extrusion elastic cable to be put into use to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide an anti-extrusion elastic cable, which can resist the cable by elastic deformation when the cable is extruded by external force and prevent the cable from being damaged by extrusion. In order to achieve the purpose, the utility model adopts the following technical scheme:

(II) technical scheme

The utility model provides an anti extrusion elastic cable, includes a plurality of sinle silks, the sinle silk is fan-shaped and distributes along the cable axis annular, the outer parcel of sinle silk has the insulating layer, and is adjacent be equipped with the elastic cord between the sinle silk, the cable center is equipped with the bolster, this bolster be hollow structure and all the outer insulating layer of sinle silk offsets, sinle silk and elastic cord are wrapped up by the shielding layer to it has the elastic particle to fill in the space, the outer parcel of shielding layer has the elastic layer, the outer parcel of elastic layer has the sheath.

Further, the three angle of sinle silk is the fillet, the bolster through concave arc with the insulating layer is laminated mutually to part between each concave arc extends to each between the sinle silk.

Further, a filling strip is arranged in the buffer piece.

Furthermore, the two sides of the elastic rope are abutted against the insulating layer, and the outer side of the elastic rope is abutted against the shielding layer.

Further, the quantity of sinle silk and elasticity rope is three and crisscross each other, the bolster is triangle-shaped.

(III) advantageous effects

Compared with the prior art, the cable has obvious advantages and beneficial effects, particularly, the elastic ropes are utilized to separate the wire cores, and the hollow buffer piece is arranged in the center of the cable, so that the cable can resist through elastic deformation when being extruded by external force, and the cable is prevented from being damaged by extrusion; the position where the wire core is abutted to the buffer piece is arc-shaped, so that the contact area of the wire core and the buffer piece is increased, the stress concentration is avoided, and the anti-extrusion capacity is further improved.

Drawings

The utility model will be further described with reference to the following examples with reference to the accompanying drawings.

FIG. 1 is a cross-sectional view of the present invention.

The reference numbers illustrate:

1. a wire core;	2. an insulating layer;
		3. an elastic cord;	4. a shielding layer;
5. a buffer member;	6. filling the strip;
		7. an elastomeric particle;	8. an elastic layer;
9. a sheath.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model is further described with reference to the following detailed description and accompanying drawings.

Referring to fig. 1, the anti-extrusion elastic cable comprises a plurality of wire cores 1, wherein the wire cores 1 are fan-shaped and annularly distributed along the axis of the cable, an insulating layer 2 is wrapped outside the wire cores 1, and an elastic rope 3 is arranged between every two adjacent wire cores 1 to prevent the wire cores 1 from being extruded with each other; the cable is characterized in that a buffer part 5 is arranged in the center of the cable, the buffer part 5 is of a hollow structure and abuts against the insulating layers 2 outside all the wire cores 1, and the anti-extrusion capacity of the cable can be effectively improved; the cable core 1 and the elastic rope 3 are wrapped by the shielding layer 4, signal stability is guaranteed, and the gaps are filled with elastic particles 7, so that the elasticity of the cable is further improved, and the anti-extrusion capacity is improved; the shielding layer 4 is wrapped with the elastic layer 8, so that the shielding layer 4 tightly wraps the inside of the cable, the compactness of the cable is improved, and the extrusion resistance and the elasticity are improved; the elastic layer 8 is wrapped by a sheath 9 to play a role in protection.

In order to avoid stress concentration, three corners of the wire core 1 are rounded corners, and the buffer piece 5 is attached to the insulating layer 2 through a concave arc shape; meanwhile, the part between the concave arcs extends to the space between the wire cores 1, and the isolation effect is achieved to a certain degree.

Be equipped with filler strip 6 in the bolster 5, avoid the excessive deformation of bolster 5 to lose effect.

The two sides of the elastic rope 3 are abutted against the insulating layer 2, the outer side of the elastic rope is abutted against the shielding layer 4, the internal structure of the cable is compact, the elasticity is increased, and the extrusion damage is avoided.

Preferably, the number of the wire cores 1 and the elastic ropes 3 is three and staggered with each other, so that the buffer parts 5 are triangular, and the structural stability is effectively ensured.

The design key points of the utility model lie in that the elastic ropes are used for spacing the wire cores, and the hollow buffer piece is arranged in the center of the cable, so that the cable can resist through elastic deformation when being extruded by external force, and the cable is prevented from being damaged by extrusion.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. An anti-extrusion elastic cable, characterized in that: including a plurality of sinle silks (1), sinle silks (1) are fan-shaped and distribute along cable axis annular, sinle silks (1) outer parcel has insulating layer (2), adjacent two be equipped with elasticity rope (3) between sinle silks (1), the cable center is equipped with bolster (5), this bolster (5) be hollow structure and with all insulating layer (2) outside sinle silks (1) offset, sinle silks (1) and elasticity rope (3) are wrapped up by shielding layer (4) to it has elastic particle (7) to fill in the space, shielding layer (4) outer parcel has elastic layer (8), elastic layer (8) outer parcel has sheath (9).

2. The extrusion-resistant elastic cable of claim 1, wherein: the three angle of sinle silk (1) is the fillet, bolster (5) through concave arc with insulating layer (2) are laminated mutually to part between each concave arc extends to each between sinle silk (1).

3. The extrusion-resistant elastic cable of claim 1, wherein: and a filling strip (6) is arranged in the buffer piece (5).

4. The extrusion-resistant elastic cable of claim 1, wherein: the two sides of the elastic rope (3) are abutted against the insulating layer (2), and the outer side of the elastic rope is abutted against the shielding layer (4).

5. The extrusion-resistant elastic cable of claim 1, wherein: the number of sinle silk (1) and elastic rope (3) is three and crisscross each other, bolster (5) are triangle-shaped.