CN219393002U - Cable with improved cable tension - Google Patents

Abstract

The utility model discloses a cable, which comprises a cable wear-resistant layer, wherein an insulating layer is fixedly arranged on the inner wall of the cable wear-resistant layer, inner support plates are uniformly distributed on the inner wall of the insulating layer, the top ends of every two inner support plates are rotationally connected with elastic tube rings, and an oxygen-free copper cable core layer is fixedly arranged on the inner wall of each elastic tube ring.

Description

Cable with improved cable tension

Technical Field

The utility model relates to the technical field of electric energy transmission, in particular to a cable.

Background

The wire and cable are used to transmit electrical (magnetic) energy, information and wire products for electromagnetic energy conversion. The broad sense of electric wire and cable is also simply referred to as cable, and the narrow sense of cable is referred to as insulated cable, which can be defined as: an aggregate consisting of; the one or more insulated cores, and the respective covering, overall protective layer and outer protective layer, may also have additional uninsulated conductors, and the wire and cable products are mostly identical in cross-sectional (cross-sectional) shape (ignoring manufacturing errors), elongated products, as determined by the characteristics used in the system or apparatus to construct the wire or coil. The structural composition of the cable product is analyzed by investigation, only from its cross-section.

The existing cable is generally made of an oxygen-free copper core layer matched with a polyethylene environment-friendly insulating material, but the top of the cable is exposed to the ground surface before the cable is generally embedded in the ground for use, so that the situation that the cable is deformed or the core layer inside the cable is damaged is easily caused when the outer wall or a part of the cable is subjected to larger extrusion force in the construction process, and the use of the cable is further affected.

Disclosure of Invention

The present utility model is directed to a cable for solving the above-mentioned problems.

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

the utility model provides a cable, includes the cable wearing layer, the fixed insulating layer that is equipped with of inner wall of cable wearing layer, the inner wall evenly distributed of insulating layer has interior extension board, every two the top rotation of interior extension board is connected with the elastic tube circle, the fixed oxygen-free copper cable core that is equipped with of inner wall of elastic tube circle, the top laminating of insulating layer inner wall is connected with two insulating intraductal supporting shoes, the inner wall rotation of insulating intraductal supporting shoe is connected with connecting rod one, the top of elastic tube circle is provided with the otic placode, the top of otic placode is provided with the holding tank, the inner wall symmetry of holding tank is provided with two spring one, the top laminating of spring one is connected with the fixed column base, the bilateral symmetry of holding tank inner wall is provided with the rectangular channel, the inner wall of rectangular channel and the outside sliding connection of fixed column base, the top symmetry of fixed column base is provided with the connecting rod fixed column, one side of connecting rod fixed column and one side rotation are connected.

As still further aspects of the utility model: the insulating layer is made of polyethylene environment-friendly insulating materials.

As still further aspects of the utility model: the cable wear-resistant layer is made of ethylene propylene rubber.

As still further aspects of the utility model: the inner wall evenly distributed of insulating layer has the spout, the inner wall sliding connection of spout has the sliding block, two one side fixedly connected with spring two of sliding block, the both sides rotation of sliding block is connected with connecting rod two, the one end of connecting rod two is connected with one side rotation of interior extension board.

As still further aspects of the utility model: the connecting grooves are formed in two sides of the inner wall of the rectangular groove, the guide blocks are connected to the inner wall of the connecting groove in a sliding mode, and one side of each guide block is fixedly connected with one side of each connecting rod fixing column.

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

1. through the first spring that sets up, supporting shoe in the insulating tube, the fixed column base for the compressive capacity of cable obtains improving, when cable wearing layer and insulating layer experienced great pressure, then press through supporting shoe in the insulating tube, thereby make the insulating intraductal supporting shoe drive connecting rod one and remove downwards, then drive connecting rod fixed column simultaneously remove downwards when the in-process of connecting rod one removes downwards, thereby make the connecting rod fixed column press the fixed column base, then the fixed column base extrudees spring one, thereby slow down the pressure from the cable top through spring one 14 extruded resilience, avoid oxygen-free copper cable sandwich layer to take place to damage.

2. The spring II, the sliding blocks and the sliding grooves are arranged, so that the internal structure in the cable is more stable, when the elastic pipe ring is pressed, the inner support plates of the elastic pipe ring slide towards two sides respectively, and the two sliding blocks slide on the inner wall of the sliding grooves, so that the spring II is stretched, and the internal structure is more stable.

Drawings

Fig. 1 is a schematic view of a cable.

Fig. 2 is a schematic view of a supporting block structure in an insulating tube in a cable.

Fig. 3 is an enlarged schematic view of the cable at a in fig. 1.

Fig. 4 is an enlarged schematic view of the cable at B in fig. 2.

1. A cable wear layer; 2. an insulating layer; 3. an inner support plate; 4. an elastic tube ring; 5. an oxygen-free copper cable core layer; 6. an insulation pipe inner supporting block; 7. a first connecting rod; 8. connecting rod fixing columns; 9. a fixed column base; 10. a guide block; 11. a sliding block; 12. a connecting groove; 13. ear plates; 14. a first spring; 15. a second spring; 16. a chute; 17. and a second connecting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The utility model provides a cable, including cable wearing layer 1, cable wearing layer 1's inner wall is fixed and is equipped with insulating layer 2, insulating layer 2's inner wall evenly distributed has interior extension board 3, every two top rotations of interior extension board 3 are connected with elastic tube circle 4, elastic tube circle 4's inner wall is fixed and is equipped with oxygen-free copper cable sandwich layer 5, insulating layer 2's top laminating is connected with two insulating intraductal supporting shoe 6, insulating intraductal supporting shoe 6's inner wall rotates and is connected with connecting rod one 7, elastic tube circle 4's top is provided with otic placode 13, otic placode 13's top is provided with the holding tank, the inner wall symmetry of holding tank is provided with two springs one 14, spring one 14's top laminating is connected with fixed column base 9, the bilateral symmetry of holding tank inner wall is provided with the rectangular channel, the inner wall of rectangular channel and the outside sliding connection of fixed column base 9, the top symmetry of fixed column base 9 is provided with connecting rod fixed column 8, one side of connecting rod fixed column 8 rotates with one side of connecting rod one 7 and is connected.

Meanwhile, the connecting grooves 12 are formed in two sides of the inner wall of the rectangular groove, the guide blocks 10 are slidably connected to the inner wall of the connecting groove 12, and one side of each guide block 10 is fixedly connected with one side of each connecting rod fixing column 8.

In addition, the insulating layer 2 is made of polyethylene environment-friendly insulating materials, and the cable wear-resistant layer 1 is made of ethylene propylene rubber.

Example two

A sliding groove 16 is uniformly distributed on the inner wall of an insulating layer 2, sliding blocks 11 are slidably connected on the inner wall of the sliding groove 16, a second spring 15 is fixedly connected on one side of each sliding block 11, a second connecting rod 17 is rotatably connected on two sides of each sliding block 11, and one end of each second connecting rod 17 is rotatably connected with one side of an inner support plate 3.

In addition, the first spring 14 and the second spring 15 are both made of spiral metal springs.

The working principle of the utility model is as follows:

when the cable is pre-buried and installed, when the cable wear-resistant layer 1 and the insulating layer 2 feel larger pressure, the insulating tube inner supporting block 6 is pressed, so that the insulating tube inner supporting block 6 drives the connecting rod I7 to move downwards, the connecting rod I7 is driven to move downwards in the downward moving process, the connecting rod fixing column 8 is driven to move downwards simultaneously, the connecting rod fixing column 8 presses the fixing column base 9, the fixing column base 9 presses the spring I14, the resilience of the spring I14 is used for relieving the pressure from the top of the cable, the damage of the oxygen-free copper cable core layer 5 caused by larger pressure is avoided, meanwhile, the inner supporting plates 3 slide towards two sides respectively in the pressing process of the cable, and the two sliding blocks 11 slide on the inner walls of the sliding grooves, so that the spring II 15 is stretched, and the elasticity of the cable is improved.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. A cable comprising a cable wear layer (1), characterized in that: the utility model provides a cable wear-resisting layer (1)'s inner wall is fixed to be equipped with insulating layer (2), the inner wall evenly distributed of insulating layer (2) has interior extension board (3), every two the top rotation of interior extension board (3) is connected with elasticity collar (4), the inner wall of elasticity collar (4) is fixed to be equipped with oxygen-free copper cable core layer (5), the top laminating of insulating layer (2) inner wall is connected with two insulating intraductal supporting shoe (6), the inner wall rotation of insulating intraductal supporting shoe (6) is connected with connecting rod one (7), the top of elasticity collar (4) is provided with otic placode (13), the top of otic placode (13) is provided with the holding tank, the inner wall symmetry of holding tank is provided with two springs one (14), the top laminating of spring one (14) is connected with fixed column base (9), the bilateral symmetry of holding tank inner wall and the outside sliding connection of fixed column base (9), the top symmetry of fixed column base (9) is provided with connecting rod one side (8) of connecting rod one side of connecting rod (8).

2. A cable according to claim 1, characterized in that: the insulating layer (2) is made of polyethylene environment-friendly insulating materials.

3. A cable according to claim 1, characterized in that: the cable wear-resistant layer (1) is made of ethylene propylene rubber.

4. A cable according to claim 2, characterized in that: the inner wall evenly distributed of insulating layer (2) has spout (16), the inner wall sliding connection of spout (16) has sliding block (11), two one side fixedly connected with spring two (15) of sliding block (11), the both sides rotation of sliding block (11) are connected with connecting rod two (17), one end of connecting rod two (17) is rotated with one side of interior extension board (3) and is connected.

5. A cable according to claim 1, characterized in that: the connecting grooves (12) are formed in two sides of the inner wall of the rectangular groove, the guide blocks (10) are slidably connected to the inner wall of the connecting groove (12), and one side of each guide block (10) is fixedly connected with one side of each connecting rod fixing column (8).