High-flexibility flat drag chain cable

Abstract

The utility model discloses a high-flexibility flat drag chain cable. The high-flexibility flat drag chain cable comprises an outer sheath, and a breather pipe, a communication cable and a first conductive core which are sequentially arranged in the outer sheath along a first direction, the second conductive core is configured at the side part of the first conductive core along the first direction; the tow chain cable can solve the problems that the flexibility of the cable is reduced, the bending action of the cable along with the tow chain is stiff and the abrasion between the adjacent cable cores is easily caused when the cable of the existing tow chain is mostly of a round bundle structure and the cable has more cable cores inside the cable.

Description

Technical Field

[0001] The utility model relates to the technical field of drag chain cables, in particular to a flat drag chain cable with high flexibility. Background Art

[0002] A drag chain cable is a flexible special cable that can move back and forth with a drag chain without being easily worn, and is usually also called a drag cable or a tank chain cable. Drag chain cables have been widely applied to industrial electronic systems, automatic production lines, warehousing equipment, robots, fire protection systems, cranes, CNC lathes, and metallurgical industries. However, most of the existing drag chain cables have a round bundle structure. When there are many wire cores inside the cable, problems such as reduced cable flexibility and rigid bending actions of the cable following the drag chain will occur, and at the same time, wear between adjacent wire cores is likely to be caused. Summary of the Utility Model

[0003] To overcome the above disadvantages, the purpose of the utility model is to provide a flat drag chain cable with high flexibility.

[0004] To achieve the above purpose, the technical solution adopted by the utility model includes an outer sheath, an air pipe, a communication cable, and a first conductive core that are sequentially arranged in the outer sheath along a first direction.

[0005] In this application, an air pipe, a communication cable, a first conductive core, and a second conductive core are sequentially arranged in the outer sheath along its width direction. Through this flattened structure setting, the difficulty of bending the drag chain cable can be reduced, and at the same time, contact wear between adjacent cable cores can be avoided, and the service life of the drag chain cable can be improved.

[0006] In the preferred technical solution of the above-mentioned flat drag chain cable with high flexibility, a second conductive core is further arranged on the side of the first conductive core along the first direction.

[0007] In the preferred technical solution of the above-mentioned flat drag chain cable with high flexibility, the communication cable includes a shielding layer, at least two groups of filling structures arranged in the shielding layer, and at least two groups of communication cable cores; wherein, the filling structures and the communication cable cores are arranged at intervals with each other.

[0008] In the preferred technical solution of the above-mentioned flat drag chain cable with high flexibility, the first conductive core includes a first support structure and a first conductor surrounding the outside of the first support structure, and a first protective layer is wrapped around the outer surface of the first conductor.

[0009] In the preferred technical solution of the above-mentioned flat drag chain cable with high flexibility, the diameter of the first support structure is larger than the diameter of the first conductor, and the number of the first conductors is eight.

[0010] In the preferred technical solution of the above-mentioned highly flexible flat drag chain cable, the second conductive core includes a second support structure and a second conductor surrounding the outside of the second support structure, and a second protective layer is wrapped around the outer surface of the second conductor.

[0011] In the preferred technical solution of the above-mentioned highly flexible flat drag chain cable, the diameter of the second support structure is smaller than the diameter of the second conductor, and the number of the second conductors is four.

[0012] In the preferred technical solution of the above-mentioned highly flexible flat drag chain cable, the outer sheath is made of PU material.

[0013] In the preferred technical solution of the above-mentioned highly flexible flat drag chain cable, the ventilation pipe is made of PU material.

[0014] In the preferred technical solution of the above-mentioned highly flexible flat drag chain cable, the width of the outer sheath is 2-4 times the thickness of the outer sheath.

[0015] The beneficial effect of the present invention is that by sequentially arranging a ventilation pipe, a communication cable, a first conductive core and a second conductive core along the width direction inside the outer sheath made of PU material, through this kind of flattened structure setting, the difficulty of bending the drag chain cable can be reduced, and at the same time, the contact wear between adjacent cable cores can be avoided, and the service life of the drag chain cable can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the first cross-sectional view of the present invention;

[0017] Figure 2 is the second cross-sectional view of the present invention;

[0018] In the figure: outer sheath 1, ventilation pipe 2, communication cable 3, shielding layer 31, filling structure 32, communication cable core 33, first conductive core 4, first support structure 41, first conductor 42, first protective layer 43, second conductive core 5, second support structure 51, second conductor 52, second protective layer 53. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following describes the preferred embodiments of the present invention with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention and are not intended to limit the protection scope of the present invention.

[0020] It should be noted that in the description of the present utility model, the terms "upper", "lower", "left", "right", "front", "rear" and other terms indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is only for convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0021] In addition, it should be noted that in the description of the present utility model, unless otherwise clearly specified and limited, the terms "set", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] Based on the existing drag chain cables in the background technology, most of them are in a round bundle structure. When there are many wire cores inside the cable, there will be problems such as reduced flexibility of the cable, stiff bending action of the cable following the drag chain, and easy wear between adjacent wire cores. The present utility model provides a high-flexibility flat drag chain cable, aiming to configure an air pipe 2, a communication cable 3, a first conductive core 4 and a second conductive core 5 in sequence along the width direction inside an outer sheath 1 made of PU material. Through this flattened structure setting, the bending difficulty of the drag chain cable can be reduced, and at the same time, the contact wear between adjacent cable cores can be avoided, and the service life of the drag chain cable can be improved.

[0023] As Figures 1 to 2 shown, the high-flexibility flat drag chain cable of the present utility model includes an outer sheath 1 and an air pipe 2, a communication cable 3, and a first conductive core 4 configured in sequence along the first direction inside the outer sheath 1; wherein, the air pipe 2 is a hollow structure, the air pipe 2 is used for transporting gas, the communication cable 3 is used for transmitting signals, and the first conductive core 4 functions as a conductor.

[0024] See Figure 1 , the outer sheath 1 has a length direction, a width direction and a thickness direction; wherein, the first direction is the width direction of the outer sheath 1.

[0025] See Figure 1 , the cross-section of the outer sheath 1 is in a flat structure, and the air pipe 2, the communication cable 3 and the first conductive core 4 are configured in sequence along the width direction inside the outer sheath 1. Through this flat outer sheath 1 configuration, the flexibility of the drag chain cable during bending can be reduced, the wear between the communication cable 3 and the first conductive core 4 can be reduced, and the service life of the drag chain cable can be improved.

[0026] In one or more embodiments, it further includes a second conductive core 5 disposed on the side of the first conductive core 4 along the first direction. The function of the second conductive core 5 is to conduct electricity. By adding the second conductive core 5 on the basis of the first conductive core 4, the working pressure of the first conductive core 4 can be reduced, and at the same time, the connection of different lines can be realized, improving the application scope of the present application.

[0027] In one or more embodiments, the communication cable 3 includes a shielding layer 31 and at least two sets of filling structures 32 and at least two sets of communication cable cores 33 disposed within the shielding layer 31; wherein, the filling structures 32 and the communication cable cores 33 are arranged at intervals from each other.

[0028] See Figure 2 , the cross-section of the shielding layer 31 is circular, the shielding layer 31 is made of insulating material, two sets of communication cable cores 33 and two sets of filling structures 32 are arranged within the shielding layer 31, and each communication cable 3 and each filling structure 32 are arranged at intervals from each other, so as to be able to expand the shielding layer 31, reduce the possibility of displacement of the two sets of communication cable cores 33 within the shielding layer 31, and ensure the stability of signal transmission of the communication cable 3. It should be noted that the outer surface of each communication cable core 33 is coated with an insulating layer.

[0029] In a specific embodiment, the first conductive core 4 includes a first support structure 41 and a first conductor 42 surrounding the outside of the first support structure 41, and a first protective layer 43 is wound around the outer surface of the first conductor 42; the diameter of the first support structure 41 is greater than the diameter of the first conductor 42, and the number of the first conductors 42 is eight.

[0030] See Figure 1 , Figure 2 , there are eight first conductors 42 and one first support structure 41, and the diameter of the first support structure 41 is greater than the diameter of the first conductor 42; the eight first conductors 42 are arranged around the outside of the first support structure 41 with the central axis of the first support structure 41 as the center, and the surface of the first conductor 42 is tangent to the surface of the first support structure 41. Through this setting, it is possible to fill the gap positions between the eight first conductors 42, ensure the stability of the structure of the first conductive core 4, increase the number of times the first conductive core 4 can be bent without deformation, and improve the service life of the first conductive core 4. It should be noted that an insulating layer is formed on the outer surface of each first conductor 42; a first protective layer 43 is wound around the outside of the eight first conductors 42 together, and the first protective layer 43 can be an insulating medium.

[0031] In one or more embodiments, the second conductive core 5 includes a second support structure 51 and a second conductor 52 surrounding the outside of the second support structure 51, and a second protective layer 53 is wound around the outer surface of the second conductor 52; the diameter of the second support structure 51 is less than the diameter of the second conductor 52, and the number of the second conductors 52 is four.

[0032] See Figure 2 Figure 2 , the diameters of each of the second conductors 52 are the same, and the diameter of the second conductor 52 is greater than the diameter of the second support structure 51; the four second conductors 52 are sequentially wound around the outside of the second support structure 51, and the gap between the four second conductors 52 is filled by the second support structure 51, which can ensure the stability of the structure of the second conductive core 5, reduce the possibility of deformation of the second conductive core 5 during bending, and improve the service life of the drag chain cable. It should be noted that an insulating layer is formed on the surface of each second conductor 52; a second protective layer 53 is commonly wound around the outside of the four second conductors 52, and the second protective layer 53 can be an insulating medium.

[0033] In one or more embodiments, the outer sheath 1 is made of PU material; the vent tube 2 is made of PU material. By configuring the material of the vent tube 2 to be the same as that of the outer sheath 1, the stability of the outer sheath 1 and the vent tube 2 during synchronous bending can be ensured, and then the stability of the air supply of the vent tube 2 can be ensured, improving the use effect of the drag chain cable of the present application.

[0034] In one or more embodiments, the width of the outer sheath 1 is 2-4 times the thickness of the outer sheath 1. Through this setting, it can be ensured that the inside of the outer sheath 1 can accommodate the vent tube 2, the communication cable 3, the first conductive core 4, and the second conductive core 5 along the first direction. In a specific embodiment, the width of the outer sheath 1 is 26±1 mm, and the thickness of the outer sheath 1 is 9.5±0.5 mm.

[0035] The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it, and it should not be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A flat drag chain cable with high softness, characterized in that, It includes an outer sheath, an air pipe, a communication cable, and a first conductive core that are sequentially arranged in the outer sheath along a first direction.

2. The highly flexible flat cable for drag chain according to claim 1, wherein: It further includes a second conductive core arranged on the side of the first conductive core along the first direction.

3. The high-flexibility flat cable carrier cable according to claim 1 or 2, characterized in that: The communication cable includes a shielding layer, at least two groups of filling structures arranged in the shielding layer, and at least two groups of communication cable cores; wherein, the filling structures and the communication cable cores are arranged at intervals from each other.

4. The high-flexibility flat cable carrier cable according to claim 1, wherein: The first conductive core includes a first support structure and a first conductor surrounding the outside of the first support structure, and a first protective layer is wrapped around the outer surface of the first conductor.

5. The high-flexibility flat drag chain cable according to claim 4, wherein: The diameter of the first support structure is larger than the diameter of the first conductor, and the number of the first conductors is eight.

6. The highly flexible flat cable drag chain according to claim 2, characterized in that: The second conductive core includes a second support structure and a second conductor surrounding the outside of the second support structure, and a second protective layer is wrapped around the outer surface of the second conductor.

7. The highly flexible flat cable for drag chains according to claim 6, characterized in that: The diameter of the second support structure is smaller than the diameter of the second conductor, and the number of the second conductors is four.

8. The highly flexible flat cable for drag chains according to claim 1, wherein: The outer sheath is made of PU material.

9. The high-flexibility flat drag chain cable according to claim 1 or 8, characterized in that: The air pipe is made of PU material.

10. The high-flexibility flat drag chain cable according to claim 1, wherein: The width of the outer sheath is 2-4 times the thickness of the outer sheath.

Images