CN220020667U

CN220020667U - Rat-proof cable

Info

Publication number: CN220020667U
Application number: CN202321049889.3U
Authority: CN
Inventors: 鲁雷; 高海
Original assignee: Hubei Chunan Cable Technology Co ltd
Current assignee: Hubei Chunan Cable Technology Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-11-14
Anticipated expiration: 2033-05-05

Abstract

The utility model relates to the technical field of cables, and provides a rat-proof cable, which comprises a cable core, wherein the surface of the cable core is wrapped with an inner layer, the surface of the inner layer is wrapped with a wrapping layer, and the wrapping layer is wrapped with an outer surface layer; the surface of the wrapping layer is densely and fixedly connected with a plurality of cone-shaped blocks positioned in the outer surface layer, and the tip end of each cone-shaped block faces the outer surface layer. According to the utility model, if a mouse bites the outer surface layer of the cable, the dense cone blocks on the surface of the wrapping layer can be exposed, and the sharp cone blocks can puncture the mouth of the mouse, so that the mouse stops biting the cable, the purpose of preventing the cable core inside the cable from being bitten by the mouse is achieved, and the cable is ensured not to be failed in power transmission due to the biting of the mouse.

Description

Rat-proof cable

Technical Field

The utility model relates to the technical field of cables, in particular to a rat-proof cable.

Background

At present, the cable is widely applied to the fields of power, communication and control engineering, the operation safety of the cable is the most needed to be considered after the cable is laid, most of the cables are laid in places such as control cabinets and ditches, particularly in places such as railway tunnels and field power distribution transmission with severe laying environment but high safety requirements, the cables are laid at one time and are difficult to replace, the safety life of the cables is required to be 40-60 years, and the operation safety of the cables is more needed to be ensured. If the cable in the places is damaged by mice, the cable cannot be normally used for half a year at the highest speed after being laid, so that the protection of the cable from being chewed by the mice is very important.

In the prior art, publication number CN207250181U discloses a rat-proof cable, which comprises a cable core, a soft plastic layer, a ceramic layer, a hard plastic layer, solid protrusions, a filling layer, a film layer and a canvas layer, wherein the outer surface of the cable core is wrapped with the soft plastic layer, the ceramic layer is wrapped outside the soft plastic layer, the hard plastic layer is wrapped outside the ceramic layer, and the solid protrusions are arranged on the surface of the hard plastic layer; the capsaicin arranged in the filling layer has a certain stimulating effect on mice, the film layer and the canvas layer are wrapped on the periphery of the filling layer, the air holes are formed in the surfaces of the film layer and the canvas layer, the capsaicin smell can be emitted at the periphery of the cable, the mice can be stimulated to a certain extent, and the mice can be effectively prevented from biting.

Since mice are sensitive to pungent odor, the design adopts capsaicin to generate pungent odor to repel mice, so as to avoid the mice from biting the cable, the capsaicin has a shelf life, and the designed film layer and canvas layer have ventilation effect, so that the capsaicin does not have the condition of being stored under a sealed condition, and the capsaicin can expire and lose the pungent odor basically within half a year, thereby losing the rat-proof effect of the cable, and therefore, the design of a rat-proof cable is necessary to solve the problem.

Disclosure of Invention

The utility model aims to provide a rat-proof cable for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the rat-proof cable comprises a cable core, wherein the surface of the cable core is wrapped with an inner layer, the surface of the inner layer is wrapped with a wrapping layer, and the wrapping layer is wrapped with an outer surface layer;

the surface of the wrapping layer is densely and fixedly connected with a plurality of cone-shaped blocks positioned in the outer surface layer, and the tip end of each cone-shaped block faces the outer surface layer.

Preferably, a cable filling paste is filled between the outer surface layer and the wrapping layer, the cable filling paste wraps the plurality of cone-shaped blocks on the wrapping layer, and the phenomenon that the cone-shaped blocks puncture the outer surface layer can be avoided after the cone-shaped blocks are wrapped by the cable filling paste.

Preferably, a reinforcing layer is arranged between the inner layer and the wrapping layer, the reinforcing layer is a steel wire armor layer, the steel wire armor layer has enough strength, and the effect of preventing mice from biting can be achieved by matching with the cone-shaped blocks.

Preferably, the number of the steel wire armor layers is two, and the steel wire armor layers are distributed inside and outside, so that the thickness and the strength of the steel wire armor layers are ensured.

Preferably, the wrapping layer is a waterproof layer, the waterproof layer comprises an aluminum-plastic composite belt wrapped on the surface of the inner layer, and the aluminum-plastic composite belt can effectively play a role in preventing water and moisture for the cable core after wrapping the inner layer.

Preferably, the inner layer is an insulating layer comprising a polyvinyl chloride layer having excellent electrical insulation properties, thereby insulating the cable core from the outside.

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

1. according to the utility model, if a mouse bites the outer surface layer of the cable, the dense cone blocks on the surface of the wrapping layer can be exposed, and the sharp cone blocks can puncture the mouth of the mouse, so that the mouse stops biting the cable, the purpose of preventing the cable core inside the cable from being bitten by the mouse is achieved, and the cable is ensured not to be failed in power transmission due to the biting of the mouse.

2. The utility model can protect the integrity and electrical performance of the cable structure and prolong the service life of the cable through the arrangement of the steel wire armor layer, and can also cooperate with the conical block to play a role in preventing mice from biting so as to further improve the protection of the cable core against mice.

3. According to the utility model, through the arrangement of the aluminum-plastic composite belt, the inner layer is wrapped, so that the waterproof and moistureproof effects on the cable core can be effectively realized, and the problem of water seepage in the use of the cable is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

in the figure: 1. a cable core; 2. an inner layer; 3. a wrapping layer; 4. an outer surface layer; 5. a conical block; 6. a cable filling paste; 7. a reinforcing layer.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

It will be apparent that numerous specific details are set forth in the following description in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the present utility model is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1, the present utility model provides a rat-proof cable: the cable comprises a cable core 1, wherein the surface of the cable core 1 is wrapped with an inner layer 2, the surface of the inner layer 2 is wrapped with a wrapping layer 3, and the wrapping layer 3 is wrapped with an outer surface layer 4; the surface dense fixedly connected with of parcel layer 3 is a plurality of taper type pieces 5 that are located in extexine 4, and the tip of every taper type piece 5 all is towards extexine 4, through such design, if there is the mouse to bite the extexine 4 of this cable back, the taper type piece 5 that is dense on the parcel layer 3 surface can expose, sharp taper type piece 5 can stab the mouth of mouse to make the mouse stop biting to this cable, in order to play the purpose that prevents the cable core 1 inside the cable by the mouse bite, ensure that this cable can not cause the problem of power transmission trouble because of the mouse bites bad.

It should be noted that, the cable filling paste 6 is filled between the outer surface layer 4 and the wrapping layer 3, the cable filling paste 6 wraps the plurality of cone-shaped blocks 5 on the wrapping layer 3, the cable filling paste 6 can fill the gap between the wrapping layer 3 and the outer surface layer 4, and the phenomenon that the cone-shaped blocks 5 puncture the outer surface layer 4 is avoided after the cone-shaped blocks 5 are wrapped by the cable filling paste 6, so that the design can be more reasonable.

Still further, be provided with enhancement layer 7 between inlayer 2 and the parcel layer 3, and enhancement layer 7 is steel wire armor, and steel wire armor has sufficient intensity, can protect the integrality and the electrical property of this cable structure, improves the life of cable, can also cooperate tapered block 5 to play the effect that prevents the mouse and bite simultaneously to further improve the protection against rodents to cable core 1.

Meanwhile, the number of the steel wire armor layers is two, and the steel wire armor layers are distributed inside and outside, so that the thickness and the strength of the steel wire armor layers are ensured, and an effective protection effect is achieved on the cable core 1.

In some embodiments, the wrapping layer 3 is a waterproof layer, the waterproof layer comprises an aluminum-plastic composite belt wrapped on the surface of the inner layer 2, and the aluminum-plastic composite belt can effectively play a role in preventing water and moisture on the cable core 1 after wrapping the inner layer 2, so that the problem of water seepage in use of the cable is avoided.

In addition, the inner layer 2 is an insulating layer, and the insulating layer comprises a polyvinyl chloride layer, and the polyvinyl chloride layer has excellent electrical insulation performance, so that the cable core 1 can be insulated and isolated from the outside, and leakage is prevented.

Claims

1. A rat-proof cable comprising a cable core (1), characterized in that: the surface of the cable core (1) is wrapped with an inner layer (2), the surface of the inner layer (2) is wrapped with a wrapping layer (3), and the wrapping layer (3) is wrapped with an outer surface layer (4);

the surface of the wrapping layer (3) is densely and fixedly connected with a plurality of conical blocks (5) positioned in the outer surface layer (4), and the tip of each conical block (5) faces the outer surface layer (4).

2. A rat-proof cable according to claim 1, wherein: and a cable filling paste (6) is filled between the outer surface layer (4) and the wrapping layer (3), and the cable filling paste (6) wraps the plurality of cone-shaped blocks (5) on the wrapping layer (3).

3. A rat-proof cable according to claim 1, wherein: a reinforcing layer (7) is arranged between the inner layer (2) and the wrapping layer (3), and the reinforcing layer (7) is a steel wire armor layer.

4. A rat-proof cable according to claim 3, wherein: the number of the steel wire armor layers is two, and the steel wire armor layers are distributed inside and outside.

5. A rat-proof cable according to claim 1, wherein: the wrapping layer (3) is a waterproof layer, and the waterproof layer comprises an aluminum-plastic composite belt wrapped on the surface of the inner layer (2).

6. A rat-proof cable according to claim 1, wherein: the inner layer (2) is an insulating layer, and the insulating layer comprises a polyvinyl chloride layer.