Cable capable of preventing internal loosening

Abstract

The utility model discloses a cable capable of preventing internal loosening, which comprises a cable body, the cable body comprises a battery cell, the outer side of the battery cell is wrapped with a rubber layer, and an anti-loosening structure is arranged between the battery cell and the rubber layer. The rubber layer and the insulating layers as well as the insulating layers are kept relatively stable, so that non-uniform distribution of the flame-retardant particles caused by shaking of the insulating layers is avoided; the rubber layer and the insulation layer are provided with the grooves and the protrusions which are mutually inserted, so that the rubber layer and the insulation layer are inserted, the insulation layers are inserted, the insulation layers in the cable body are not prone to shaking and loosening, and the flame-retardant particles cannot be distributed unevenly due to shaking of the insulation layers.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a cable capable of preventing internal loosening. Background Art

[0002] Cable is a device for transmitting electric energy or signals. It is usually a rope-like cable made of several or several groups of wires (at least two wires in each group). Each group of wires is insulated from each other and often twisted around a center. The entire outer layer is covered with a highly insulating covering. Cables have the characteristics of being energized inside and insulated outside. Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. They are all composed of single or multiple strands of wires and an insulating layer, and are used to connect circuits, electrical appliances, etc.

[0003] In existing cables, there are filling particles between the battery core and the sheath, so the battery core and the sheath are not completely tightly attached to each other, so the battery core in the cable is easy to shake and loose, resulting in uneven distribution of the filling particles. Utility Model Content

[0004] In view of the problems existing in an existing cable for preventing internal loosening, the utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a cable that prevents internal loosening, which solves the problem of existing cables having filling particles between the battery core and the sheath, so that the battery core and the sheath are not completely close together, so the battery core in the cable is easy to shake and loose, resulting in uneven distribution of filling particles.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A cable for preventing internal loosening comprises a cable body, wherein the cable body comprises an electric core, the outer side of the electric core is wrapped with a rubber layer, and an anti-loosening structure is arranged between the electric core and the rubber layer.

[0008] As a preferred solution of the cable for preventing internal loosening described in the utility model, the electric core is composed of a twisted conductor and an insulating layer, and flame retardant particles are filled between the insulating layer and the rubber layer.

[0009] As a preferred solution of the cable for preventing internal loosening described in the utility model, the outer side of the rubber layer is wrapped with a protective sleeve.

[0010] As a preferred solution of the cable for preventing internal loosening described in the utility model, the anti-loosening structure includes a first plane on the inner wall of the rubber layer and a second plane on the outer wall of the insulating layer, and the first plane and the second plane are tightly fitted.

[0011] As a preferred solution of the cable for preventing internal loosening described in the utility model, wherein: the anti-loosening structure also includes a third plane on the outer wall of the insulating layer, and the third planes between adjacent insulating layers are tightly fitted.

[0012] As a preferred solution of a cable for preventing internal loosening described in the utility model, the anti-loosening structure includes a first limiting groove on the inner wall of the rubber layer and a first limiting protrusion on the outer wall of the insulating layer, and the first limiting protrusion is inserted into the first limiting groove.

[0013] As a preferred solution for preventing internal loosening of a cable described in the utility model, the anti-loosening structure also includes a second limiting groove and a second limiting protrusion on the outer wall of the insulating layer, and the second limiting groove and the second limiting protrusion between adjacent insulating layers are plugged into each other.

[0014] Compared with existing technologies:

[0015] 1. By setting a conflicting plane between the rubber layer and the insulating layer, the rubber layer and the insulating layer, and the insulating layer and the insulating layer are kept relatively stable, so that the flame retardant particles will not be unevenly distributed due to the shaking of the insulating layer;

[0016] 2. By arranging mutually plug-in grooves and protrusions on the rubber layer and the insulation, the rubber layer and the insulation layer are plugged in, and the insulation layers are plugged in, so that the insulation layer in the cable body is not easy to shake and loosen, and the flame retardant particles will not be unevenly distributed due to the shaking of the insulation layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure provided for Example 1 of the utility model;

[0018] Figure 2 A schematic diagram of a rubber layer provided in Example 1 of the utility model;

[0019] Figure 3 A schematic diagram of a battery cell provided in Example 1 of the utility model;

[0020] Figure 4 A schematic diagram of the structure provided for Embodiment 2 of the present utility model;

[0021] Figure 5 A schematic diagram of a rubber layer provided in Example 2 of the utility model;

[0022] Figure 6 This is a schematic diagram of a battery cell provided in Example 2 of the utility model.

[0023] In the figure: cable body 10, protective sleeve 11, rubber layer 12, first plane 121, first limiting groove 122, flame retardant particles 13, insulating layer 14, second plane 141, third plane 142, first limiting protrusion 143, second limiting protrusion 144, second limiting groove 145, twisted conductor 15. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clear, the implementation methods of the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] Embodiment 1:

[0026] The utility model provides a cable that prevents internal loosening, please refer to Figure 1-3 , including a cable body 10, the cable body 10 includes a battery core, the outer side of the battery core is wrapped with a rubber layer 12, the outer side of the rubber layer 12 is wrapped with a protective sheath 11, the protective sheath 11 can be any layer structure in the existing cable, such as one or more of a shielding layer and a protective layer, etc., or it can be a fire-retardant coating, and an anti-loosening structure is arranged between the battery core and the rubber layer 12.

[0027] The battery core is composed of a twisted conductor 15 and an insulating layer 14 , and flame retardant particles 13 are filled between the insulating layer 14 and the rubber layer 12 .

[0028] The anti-loosening structure includes a first plane 121 on the inner wall of the rubber layer 12 and a second plane 141 on the outer wall of the insulating layer 14, and the first plane 121 and the second plane 141 are tightly fitted. The anti-loosening structure also includes a third plane 142 on the outer wall of the insulating layer 14, and the third planes 142 between adjacent insulating layers 14 are tightly fitted. The fitting between the planes can ensure the mutual stability between the rubber layer 12 and each insulating layer 14, and the planar contact between the rubber layer 12 and the insulating layer 14 ensures the stability between the rubber layer 12 and the insulating layer 14. The planar contact between the insulating layers 14 and the insulating layers 14 ensures the stability between the insulating layers 14 and the insulating layers 14, so that the insulating layer 14 in the cable body 10 is not easy to shake and loosen, and the flame retardant particles 13 will not be unevenly distributed due to the shaking of the insulating layer 14.

[0029] Embodiment 2:

[0030] See attached Figure 4-6, which is different from Example 1, is that the anti-loosening structure includes a first limiting groove 122 on the inner wall of the rubber layer 12 and a first limiting protrusion 143 on the outer wall of the insulating layer 14, the first limiting protrusion 143 is inserted into the first limiting groove 122, the anti-loosening structure also includes a second limiting groove 145 and a second limiting protrusion 144 on the outer wall of the insulating layer 14, and the second limiting grooves 145 and the second limiting protrusions 144 between adjacent insulating layers 14 are plugged into each other; the first limiting groove 122 is the same length as the rubber layer 12, and the lengths of the first limiting protrusion 143, the second limiting protrusion 144 and the second limiting groove 145 are the same length as the insulating layer 14. Therefore, the rubber layer 12 and each insulating layer 14 are plugged into each other, thereby achieving mutual stability between the rubber layer 12 and each insulating layer 14; the rubber layer 12 and the insulating layer 14 are plugged into each other, thereby ensuring the stability between the rubber layer 12 and the insulating layer 14, and the insulating layer 14 and the insulating layer 14 are plugged into each other, thereby ensuring the stability between the insulating layer 14 and the insulating layer 14, so that the insulating layer 14 in the cable body 10 is not easy to shake and loosen, and the flame retardant particles 13 will not be unevenly distributed due to the shaking of the insulating layer 14.

[0031] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A cable for preventing internal loosening, comprising a cable body (10), the cable body (10) comprising a battery core, the outer side of the battery core being wrapped with a rubber layer (12), characterized in that: An anti-loosening structure is provided between the battery core and the rubber layer (12).

2. A cable for preventing internal loosening according to claim 1, characterized in that: The battery core is composed of a twisted conductor (15) and an insulating layer (14), and flame retardant particles (13) are filled between the insulating layer (14) and the rubber layer (12).

3. A cable for preventing internal loosening according to claim 1, characterized in that: The outer side of the rubber layer (12) is wrapped with a protective sleeve (11).

4. A cable for preventing internal loosening according to any one of claims 1 to 3, characterized in that: The anti-loosening structure comprises a first plane (121) on the inner wall of the rubber layer (12) and a second plane (141) on the outer wall of the insulating layer (14), and the first plane (121) and the second plane (141) are tightly fitted.

5. A cable for preventing internal loosening according to claim 4, characterized in that: The anti-loosening structure also includes a third plane (142) on the outer wall of the insulating layer (14), and the third planes (142) between adjacent insulating layers (14) are tightly fitted.

6. A cable for preventing internal loosening according to any one of claims 1 to 3, characterized in that: The anti-loosening structure comprises a first limiting groove (122) on the inner wall of the rubber layer (12) and a first limiting protrusion (143) on the outer wall of the insulating layer (14), wherein the first limiting protrusion (143) is inserted into the first limiting groove (122).

7. A cable for preventing internal loosening according to claim 6, characterized in that: The anti-loosening structure further comprises a second limiting groove (145) and a second limiting protrusion (144) on the outer wall of the insulating layer (14), and the second limiting groove (145) and the second limiting protrusion (144) between adjacent insulating layers (14) are plugged into each other.

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