CN214753033U

CN214753033U - Rat-proof cable for electrical equipment

Info

Publication number: CN214753033U
Application number: CN202120944339.2U
Authority: CN
Inventors: 白松涛; 余扬
Original assignee: Kunshan Hanjiang Wire Co ltd
Current assignee: Kunshan Hanjiang Wire Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-16
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to the technical field of cables, specifically be a protection against rodents cable for electrical equipment, including the inner sheath, the outside cover of inner sheath is equipped with the weaving layer, the outside cover of weaving layer is equipped with the oversheath, the periphery wall laminating of oversheath has four wear-resisting strips that extend along oversheath length direction, wear-resisting strip is transversal personally submits circular-arcly, and four wear-resisting strips constitute the pipe column structure jointly, wear-resisting strip's surface evenly is provided with the spine that prevents that the mouse from tearing to sting, wear-resisting strip's internal surface evenly is provided with the location swell that the polylith is spherical form, the surface of oversheath with the constant head tank has been seted up to the corresponding position of location swell, and location swell all imbeds in corresponding constant head tank. The utility model discloses be provided with the wear-resisting strip of polylith at the surface of outer sheath, the outer wall evenly distributed of wear-resisting strip has the spine that prevents to be bitten by the mouse to avoided the cable to be bitten and damaged by the mouse.

Description

Rat-proof cable for electrical equipment

Technical Field

The utility model relates to the technical field of cables, specifically be a protection against rodents cable for electrical equipment.

Background

With the continuous development of the construction of electric power, high-speed railways, urban rail transit, industrial and mining enterprises, urbanization and the like in China, the use of the power cable is more and more popular. At present, most of the domestic rats in rural areas of China are particularly serious, as is well known, rats like chewing hard objects to grind teeth at night, and a power cord connected with electrical equipment is just dragged on the ground, so that a cable also becomes one of the main objects for rat grinding teeth. Along with the hoarseness of rats, a plurality of cables are damaged, which indirectly causes unnecessary safety accidents, and therefore, the design of the cable for preventing the damage of the rats is particularly important. Therefore, we propose a rat-proof cable for electrical equipment to solve the above drawbacks well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrical equipment is with preventing mouse cable for prevent that the cable from being bitten and causing the damage by the mouse, avoid the unnecessary incident to take place.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a ratproof cable for electrical equipment comprises an inner sheath, wherein a woven layer is sleeved outside the inner sheath, an outer sheath is sleeved outside the woven layer, four wear-resistant strips extending along the length direction of the outer sheath are attached to the outer peripheral wall of the outer sheath, the cross sections of the wear-resistant strips are arc-shaped, the four wear-resistant strips jointly form a circular tubular structure, spines for preventing rats from being bitten are uniformly arranged on the outer surface of each wear-resistant strip, a plurality of spherical positioning bulges are uniformly arranged on the inner surface of each wear-resistant strip, positioning grooves are formed in the positions, corresponding to the positioning bulges, of the outer surface of the outer sheath, and the positioning bulges are embedded into the corresponding positioning grooves;

the inside cover of inner sheath is equipped with the buffer layer, and evenly distributed has many first sinle silk that extend along inner sheath length direction in the gap between inner sheath and the buffer layer, the inside cover of buffer layer is equipped with the shielding layer, many second sinle silks have been arranged to the inside of shielding layer, and many second sinle silks are twisted each other.

Preferably, a plurality of tubular protective bodies are uniformly distributed on the inner peripheral wall of the inner sheath, the number of the protective bodies corresponds to that of the first wire core, the protective bodies are composed of two arc-shaped strip structures which are symmetrically distributed, and the protective bodies are all sleeved outside the first wire core.

Preferably, the first core comprises a first conductor, a first winding layer and a first insulating layer in sequence from inside to outside.

Preferably, the second wire core sequentially comprises a second conductor, a second winding layer and a second insulating layer from inside to outside.

Preferably, a plurality of elastic bubbles with hollow interiors are uniformly distributed on the inner surface of the wear-resistant strip, and the elastic bubbles are attached to the outer surface of the inner sheath.

Compared with the prior art, the utility model provides an electrical equipment is with protection against rodents cable possesses following beneficial effect:

1. the outer surface of the outer sheath is provided with a plurality of wear-resistant strips, and the outer walls of the wear-resistant strips are uniformly distributed with spines for preventing the cables from being bitten by mice, so that the cables are prevented from being damaged by the mice;

2. the utility model provides a wear strip is detachable installs in the outside of oversheath, receives the damage back when one of them wear strip, and convenient in time change is unlikely to lead to whole cable to scrap.

Drawings

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

FIG. 2 is a schematic view of the structure of the outer sheath of the present invention;

fig. 3 is a schematic structural view of the wear-resistant strip of the present invention.

In the figure: 1. an inner sheath; 2. weaving layer; 3. an outer sheath; 4. wear resistant strips; 5. positioning the bulge; 6. positioning a groove; 7. pricking with a sharp point; 8. an elastic bubble; 9. a protective body; 10. a first conductor; 11. a first winding layer; 12. a first insulating layer; 13. a buffer layer; 14. a shielding layer; 15. a second conductor; 16. a second winding layer; 17. a second insulating layer.

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.

Example (b): referring to fig. 1-3, a rat-proof cable for electrical equipment comprises an inner sheath 1, a braided layer 2 is sleeved outside the inner sheath 1, an outer sheath 3 is sleeved outside the braided layer 2, the inner sheath 1 and the outer sheath 3 are both made of insulating rubber, the braided layer 2 is a copper wire braided fabric, four wear strips 4 extending along the length direction of the outer sheath 3 are attached to the outer circumferential wall of the outer sheath 3, the wear strips 4 are made of hard rubber, the cross section of each wear strip 4 is arc-shaped, the four wear strips 4 jointly form a circular tube structure, namely the four wear strips 4 jointly form a circular tube, the outer surface of each wear strip 4 is sleeved outside the outer sheath 3, spines 7 preventing rats from being bitten are uniformly arranged on the outer surface of each wear strip 4, a plurality of spherical positioning bulges 5 are uniformly arranged on the inner surface of each wear strip 4, and the spines 7 and the positioning bulges 5 are integrally formed with the wear strips 4, the outer surface of the outer sheath 3 is provided with a positioning groove 6 at a position corresponding to the positioning bulge 5, the positioning bulges 5 are embedded in the corresponding positioning grooves 6, the positioning bulge 5 is spherical, and the positioning groove 6 corresponds to the positioning bulge, so that after the positioning bulge 5 is plugged into the positioning groove 6, the wear-resistant strip 4 is difficult to detach, and the wear-resistant strip is prevented from falling off accidentally; the internal surface evenly distributed of wear-resisting strip 4 has inside hollow elasticity bubble 8 of polylith, and elasticity bubble 8 laminates mutually with the surface of inner sheath 1, and elasticity bubble 8 and wear-resisting strip 4 integrated into one piece are used for playing the buffering and preventing the extrusion effect, avoid spine 7 impaired.

The inside cover of inner sheath 1 is equipped with buffer layer 13, buffer layer 13 is PVC plastic material, and evenly distributed has many first sinle silk that extend along 1 length direction of inner sheath in the gap between inner sheath 1 and the buffer layer 13, first sinle silk from interior to exterior is including first conductor 10 in proper order, first winding layer 11 and first insulation layer 12, the inside cover of buffer layer 13 is equipped with shielding layer 14, shielding layer 14 is woven for the copper wire and forms, shielding layer 14's internally arranged has many second sinle silks, second sinle silk from interior to exterior is including second conductor 15 in proper order, second winding layer 16 and second insulation layer 17, and many second sinle silks are twisted each other. The internal perisporium evenly distributed of inner sheath 1 has many to be the protective body 9 of pipe form, and protective body 9 and 1 integrated into one piece of inner sheath, and protective body 9 distributes along the axial of inner sheath 1, and the quantity of protective body 9 corresponds with first sinle silk, and protective body 9 comprises the arc stripe structure of two symmetric distributions, and protective body 9 all overlaps to be established outside first sinle silk, and the effect is the position of injecing first sinle silk.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a protection against rodents cable for electrical equipment, includes inner sheath (1), its characterized in that: the outer part of the inner sheath (1) is sleeved with a braided layer (2), the outer part of the braided layer (2) is sleeved with an outer sheath (3), the outer peripheral wall of the outer sheath (3) is attached with four wear-resistant strips (4) extending along the length direction of the outer sheath (3), the cross sections of the wear-resistant strips (4) are arc-shaped, the four wear-resistant strips (4) jointly form a circular tubular structure, sharp spines (7) for preventing rats from being bitten are uniformly arranged on the outer surface of the wear-resistant strips (4), a plurality of spherical positioning bulges (5) are uniformly arranged on the inner surface of the wear-resistant strips (4), positioning grooves (6) are formed in positions, corresponding to the positioning bulges (5), of the outer surface of the outer sheath (3), and the positioning bulges (5) are embedded into the corresponding positioning grooves (6);

the inside cover of inner sheath (1) is equipped with buffer layer (13), and evenly distributed has many first sinle silk that extend along inner sheath (1) length direction in the gap between inner sheath (1) and buffer layer (13), the inside cover of buffer layer (13) is equipped with shielding layer (14), the inside arrangement of shielding layer (14) has many second sinle silks, and many second sinle silks are twisted each other.

2. The ratproof cable for electrical equipment according to claim 1, wherein: the inner periphery wall evenly distributed of inner sheath (1) has many to be pipe form protective body (9), the quantity and the first sinle silk of protective body (9) correspond, and protective body (9) comprise two symmetric distribution's arc strip structure, and protective body (9) all overlap and establish outside the first sinle silk.

3. The ratproof cable for electrical equipment according to claim 1, wherein: the first wire core sequentially comprises a first conductor (10), a first winding layer (11) and a first insulating layer (12) from inside to outside.

4. The ratproof cable for electrical equipment according to claim 1, wherein: the second wire core comprises a second conductor (15), a second winding layer (16) and a second insulating layer (17) from inside to outside in sequence.

5. The ratproof cable for electrical equipment according to claim 1, wherein: the inner surface of the wear-resistant strip (4) is uniformly distributed with a plurality of elastic bubbles (8) with hollow interiors, and the elastic bubbles (8) are attached to the outer surface of the inner sheath (1).