Warp-resistant bridging flexible cable

Abstract

The utility model discloses a distortion-resistant bridging flexible cable which comprises a hexagonal support, an arc-shaped plate is connected to the outer side of the hexagonal support, a foam layer is arranged at one end, facing the hexagonal support, of the arc-shaped plate, a through groove is formed in the foam layer, and a cable is arranged in the through groove. And a wrapping layer, a metal shielding layer, a first sheath layer and a second sheath layer are sequentially extruded on the outer side of the arc-shaped plate. According to the utility model, the cable is installed at the inner side of the hexagonal support, then the cable cannot deviate out of the inner side of the hexagonal support through the arranged arc-shaped plate, and then the gap at the inner side of the hexagonal support is filled with the foam layer, so that the cable is prevented from displacement in use, and the cable core is well insulated through the arranged insulating layer.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a twist-resistant jumper soft cable. Background Art

[0002] The jumper cables for railway vehicles mainly rely on imported cables, which is not conducive to localization. In addition, due to the differences in regional climates of various countries, the complexity of vehicle operation, and the differences between carriages, the jumper cables are used for the connection between two carriages. During the operation of the vehicle, the auxiliary stress and special working conditions will have a significant impact on the safety of the jumper circuit. Long-term complex stress will affect the fatigue life and weather resistance of the jumper cables.

[0003] Therefore, it is necessary to provide a torsion-resistant jumper flexible cable to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a torsion-resistant jumper soft cable to solve the problem in the above-mentioned background technology that during the operation of the vehicle, the auxiliary stress and special working conditions will have a significant impact on the safety of the jumper circuit, and the long-term complex stress will affect the fatigue life and weather resistance of the jumper cable. The technical solution of the utility model is aimed at the technical problem that the existing technical solution is too single, and provides a solution that is significantly different from the existing technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a torsion-resistant jumper soft cable, comprising a hexagonal bracket, an arc-shaped plate connected to the outer side of the hexagonal bracket, a foam layer is arranged at one end of the arc-shaped plate facing the hexagonal bracket, a through groove is opened inside the foam layer and a cable is arranged, and a wrapping layer, a metal shielding layer, a first sheath layer and a second sheath layer are sequentially extruded on the outer side of the arc-shaped plate.

[0006] Preferably, the cable comprises a cable core and an insulating layer, and the cable core is arranged on the inner side of the insulating layer.

[0007] Preferably, the outer wall of the first sheath layer has a circumferential array of teeth, and the teeth extend in the axial direction, and the inside of the teeth is provided with teeth installed on the inner side of the second sheath layer.

[0008] Preferably, connecting sleeves are installed at both ends of the outer wall of the second sheath layer, and a connecting ring is connected to the separated end of the connecting sleeve.

[0009] Preferably, the hexagonal bracket is made of rubber material.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model installs the cable on the inner side of the hexagonal bracket, and then prevents the cable from deviating from the inner side of the hexagonal bracket by setting the arc plate, and then fills the gap inside the hexagonal bracket with a foam layer to prevent the cable from being displaced during use, and the set insulation layer has a good insulation effect on the cable core;

[0012] The utility model provides good torsion resistance between the first sheath layer and the second sheath layer through the tooth grooves and teeth, can be used for bridging cable connection through the connecting ring, and has good buffering performance through the hexagonal bracket made of rubber material. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0015] Figure 3 It is a structural schematic diagram of the utility model cable;

[0016] Figure 4 It is a schematic diagram of the installation of the connecting sleeve and the connecting ring of the utility model.

[0017] In the figure: 1, hexagonal bracket; 2, curved plate; 3, foam layer; 4, cable; 401, cable core; 402, insulation layer; 5, wrapping layer; 6, metal shielding layer; 7, first sheath layer; 8, second sheath layer; 9, tooth groove; 10, teeth; 11, connecting sleeve; 12, connecting ring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0020] See also Figure 1-4 A torsion-resistant jumper soft cable comprises a hexagonal bracket 1, an arc plate 2 is connected to the outer side of the hexagonal bracket 1, a foam layer 3 is arranged at one end of the arc plate 2 facing the hexagonal bracket 1, a through groove is opened inside the foam layer 3 and a cable 4 is arranged, and a wrapping layer 5, a metal shielding layer 6, a first sheath layer 7 and a second sheath layer 8 are sequentially extruded on the outer side of the arc plate 2.

[0021] like Figure 1-4 As shown, the cable 4 includes a cable core 401 and an insulating layer 402 . The cable core 401 is arranged inside the insulating layer 402 . The insulating layer 402 has a good insulating effect on the cable core 401 .

[0022] like Figure 1-4 As shown, the outer wall circumferential array of the first sheath layer 7 has teeth 9, and the teeth 9 extend axially, and the interior of the teeth 9 is provided with teeth 10 installed on the inner side of the second sheath layer 8. The teeth 9 and the teeth 10 are provided so that the first sheath layer 7 and the second sheath layer 8 have better torsion resistance. When the teeth 9 are opened, there are teeth blocks in the circumferential array at the outlet of the extruder. During the extrusion and discharging process, since the cable itself is in a molten state, the teeth 9 can be opened during the discharging process, and when the next group of extruders extrude the second sheath layer 8, the material of the second sheath layer 8 will be squeezed into the teeth 9 to form the teeth 10 during the extrusion process.

[0023] like Figure 1-4As shown, connecting sleeves 11 are installed at both ends of the outer wall of the second sheath layer 8, and a connecting ring 12 is connected to the separated end of the connecting sleeve 11. The connecting ring 12 can be used for bridging cable connection.

[0024] like Figure 1-4 As shown, the hexagonal bracket 1 is made of rubber material, and the hexagonal bracket 1 made of rubber material has good buffering performance.

[0025] Working principle: by installing the cable 4 on the inner side of the hexagonal bracket 1, and then by setting the arc plate 2 to prevent the cable 4 from deviating from the inner side of the hexagonal bracket 1, and then filling the foam layer 3 with the gap inside the hexagonal bracket 1 to prevent the cable 4 from being displaced during use, and the insulating layer 402 provided has a good insulation effect on the cable core 401, and the tooth groove 9 is opened by having a tooth block in the outlet circumferential array of the extruder. In the process of extrusion and discharging, since the cable itself is in a molten state, the tooth groove 9 can be opened during the discharging process, and when the next group of extruders extrude the second sheath layer 8, the material of the second sheath layer 8 will be squeezed into the tooth groove 9 during the extrusion process to form teeth 10. The tooth groove 9 and the teeth 10 provided make the first sheath layer 7 and the second sheath layer 8 have better torsion resistance, and the connecting ring 12 provided can be used for bridging cable connection, and the hexagonal bracket 1 provided with rubber material has better buffering performance.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A torsion-resistant jumper flexible cable, comprising a hexagonal bracket (1), characterized in that: The outer side of the hexagonal bracket (1) is connected to an arc-shaped plate (2), one end of the arc-shaped plate (2) facing the hexagonal bracket (1) is provided with a foam layer (3), a through groove is provided inside the foam layer (3) and a cable (4) is provided thereon, and the outer side of the arc-shaped plate (2) is extruded with a wrapping layer (5), a metal shielding layer (6), a first sheath layer (7) and a second sheath layer (8) in sequence.

2. A torsion-resistant jumper flexible cable according to claim 1, characterized in that: The cable (4) comprises a cable core (401) and an insulating layer (402), wherein the cable core (401) is arranged on the inner side of the insulating layer (402).

3. A torsion-resistant jumper flexible cable according to claim 1, characterized in that: The outer wall of the first jacket layer (7) has tooth grooves (9) in a circumferential array, and the tooth grooves (9) extend in the axial direction. The tooth grooves (9) are provided with teeth (10) installed on the inner side of the second jacket layer (8) inside.

4. A torsion-resistant jumper flexible cable according to claim 1, characterized in that: Connecting sleeves (11) are installed at both ends of the outer wall of the second sheath layer (8), and a connecting ring (12) is connected to the separated end of the connecting sleeve (11).

5. The twist-resistant jumper flexible cable according to claim 1, characterized in that: The hexagonal bracket (1) is made of rubber material.

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