Anti-torsion cable
By strengthening the core of the stranded conductor and using a multi-layer sheath design, the problems of flexibility and bending performance of anti-torsion cables during torsion are solved, enabling stable laying and signal transmission on complex paths.
Patent Information
- Application Number
- CN202520224117.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing anti-torsion cables may sacrifice flexibility and bending performance when resisting torsion, making them difficult to lay on complex paths and prone to sheath breakage or conductor breakage.
The cable adopts a reinforced core stranded conductor body, combined with a multi-layer design in the sheath structure, including a steel strip layer, a buffer layer, and an anti-torsion reinforcement layer, to enhance mechanical strength and flexibility and ensure that the cable is not damaged when twisted.
It improves the cable's flexibility and torsional resistance, ensuring normal transmission of current or signals during torsion and preventing structural damage.
Smart Images
Figure CN223728493U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cable technical field especially relates to a torsion-resistant cable. BACKGROUND
[0002] The torsion-resistant cable is a specially designed cable that can withstand a certain degree of torsional force without damaging its internal conductors, insulation layers, and other structures, and still maintain normal electrical performance and signal transmission function during the twisting process.
[0003] In the prior art, the torsion-resistant cable may sacrifice some flexibility and bending performance while resisting torsion. When it is necessary to lay the cable on a complex path, such as winding around multiple obstacles or passing through a curved pipe, the cable may be too hard to bend, and even the sheath may be broken or the conductor may be broken. SUMMARY
[0004] The utility model mainly provides a torsion-resistant cable with flexibility, bending performance, and strong torsion resistance.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a torsion-resistant cable, comprising: a core structure and a sheath structure, the sheath structure is fixedly sleeved on the outer wall of the core structure; the core structure comprises a reinforcing core, the outer wall of the reinforcing core is twisted with a group of wire bodies, the outer wall of the wire body is fixedly provided with a conductor shielding layer, the outer wall of the conductor shielding layer is fixedly provided with an insulation layer, the outer wall of the insulation layer is fixedly provided with an insulation shielding layer, and the outer wall of the insulation shielding layer is fixedly provided with a metal shielding layer.
[0006] Preferably, the sheath structure comprises a filling layer, and the outer wall of the filling layer is fixedly provided with an inner sheath.
[0007] Preferably, the outer wall of the inner sheath is fixedly provided with a steel belt layer, and the outer wall of the steel belt layer is fixedly provided with a buffer layer.
[0008] Preferably, the outer wall of the buffer layer is fixedly provided with a waterproof layer, and the outer wall of the waterproof layer is fixedly provided with a torsion-resistant reinforcing layer.
[0009] Preferably, the outer wall of the torsion-resistant reinforcing layer is fixedly provided with a corrosion-resistant layer, and the outer wall of the corrosion-resistant layer is fixedly provided with an anti-slip texture layer.
[0010] Preferably, the outer wall of the anti-slip texture layer is fixedly provided with a group of reinforcing ribs.
[0011] Preferably, the core structure is inserted into the inside of the sheath structure, and the filling layer is arranged on the outer wall of the metal shielding layer.
[0012] Compared with the prior art, the utility model has the advantages and positive effects that,
[0013] 1、 The utility model discloses a reinforcing core is set up, and the wire body is same direction stranding in the outer surface wall of reinforcing core, and the mechanical strength of cable is strengthened by reinforcing core, and simultaneously, the same direction stranding wire can increase the softness and the torsional resistance of cable, makes it when twisting can better adapt to stress change, avoids the situation of broken line.
[0014] 2、 The utility model discloses a steel band layer and reinforcing rib are set up in the inside of sheath structure, improve the mechanical strength of sheath, and set up again anti -twist reinforcing layer, when the torsional force that receives exceeds the stress range, prevents the conductor, insulating layer and other structures in the cable from being damaged due to the twist, ensures that the cable still can normally transmit electric current or signal under the torsion of a certain degree. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 A three-dimensional structure schematic diagram of the torsion-resistant cable is provided for the utility model;
[0016] Figure 2 A sectional view of the torsion-resistant cable is provided for the utility model;
[0017] Figure 3 A three-dimensional structure split schematic diagram of the core structure in the torsion-resistant cable is provided for the utility model;
[0018] Figure 4 A three-dimensional structure schematic diagram of the sheath structure in the torsion-resistant cable is provided for the utility model.
[0019] Legend: 1, core structure; 101, reinforcing core; 102, wire body; 103, conductor shielding layer; 104, insulating layer; 105, insulating shielding layer; 106, metal shielding layer; 2, sheath structure; 201, filling layer; 202, inner sheath; 203, steel band layer; 204, buffer layer; 205, waterproof layer; 206, anti-twist reinforcing layer; 207, corrosion-resistant layer; 208, anti-slip texture layer; 209, reinforcing rib. DETAILED DESCRIPTION
[0020] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples. It should be explained that the examples and features in the examples of the present application can be combined with each other without conflict.
[0021] In the following description, a lot of specific details are set forth in order to fully understand the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific examples disclosed in the following description.
[0022] Referring to Figures 1-4 The utility model provides a technical scheme: an anti-torsion cable, which comprises a core structure 1 and a sheath structure 2, the sheath structure 2 is fixedly sleeved on the outer wall of the core structure 1; the core structure 1 comprises a reinforcing core 101, the outer wall of the reinforcing core 101 is twisted with a group of conductor bodies 102, the outer wall of the conductor body 102 is fixedly provided with a conductor shielding layer 103, the outer wall of the conductor shielding layer 103 is fixedly provided with an insulating layer 104, the outer wall of the insulating layer 104 is fixedly provided with an insulating shielding layer 105, and the outer wall of the insulating shielding layer 105 is fixedly provided with a metal shielding layer 106; by arranging the reinforcing core 101, the mechanical strength of the cable is enhanced, and certain bending resistance can also be provided; the outer wall of the reinforcing core 101 is twisted with a group of conductor bodies 102, the twisting direction is set as the same direction, so as to increase the softness and anti-torsion performance of the cable; the outer wall of the conductor body 102 is provided with the conductor shielding layer 103; when the cable is working, the conductor generates an electric field, the conductor shielding layer 103 can make the electric field distribution around the conductor more uniform, and avoid the electric field from being concentrated on some points; the outer wall of the conductor shielding layer 103 is provided with the insulating layer 104, so as to prevent current from flowing between conductors at different potentials, and ensure that electric energy is transmitted in the conductor according to a predetermined path; the outer wall of the insulating layer 104 is provided with the insulating shielding layer 105, the insulating shielding layer 105 cooperates with the conductor shielding layer 103, and the electric field distribution inside the cable is further optimized; and the outer wall of the insulating shielding layer 105 is provided with the metal shielding layer 106, which is used for shielding external electromagnetic interference, preventing external electromagnetic waves from entering the inside of the cable, and interfering with the signals transmitted in the cable.
[0023] As Figure 4 shown, the sheath structure 2 comprises a filling layer 201, and the outer wall of the filling layer 201 is fixedly provided with an inner sheath 202; by arranging the filling layer 201, the gaps between the structure layers inside the cable are filled, and certain support force is provided for the internal structure of the cable; and the inner sheath 202 is further arranged, which plays an insulating protection role on the inside.
[0024] As Figure 4 shown, the outer wall of the inner sheath 202 is fixedly provided with a steel belt layer 203, and the outer wall of the steel belt layer 203 is fixedly provided with a buffer layer 204; by arranging the steel belt layer 203, the mechanical strength of the cable is enhanced; and the buffer layer 204 is arranged to absorb and disperse the stress generated when the cable is subjected to external mechanical force, so as to avoid damage to the core structure 1.
[0025] As Figure 4As shown, a waterproof layer 205 is fixedly provided on the outer wall of the buffer layer 204, and an anti-torsion reinforcement layer 206 is fixedly provided on the outer wall of the waterproof layer 205. By providing the waterproof layer 205, the cable can stably transmit signals in a high-humidity environment. The anti-torsion reinforcement layer 206 can effectively resist torsional force and prevent the conductor, insulation layer 104 and other structures inside the cable from being damaged by torsion, ensuring that the cable can still transmit current or signals normally under a certain degree of torsion.
[0026] like Figure 4 As shown, a corrosion-resistant layer 207 is fixedly provided on the outer wall of the anti-torsion reinforcement layer 206, and an anti-slip textured layer 208 is fixedly provided on the outer wall of the corrosion-resistant layer 207. By providing the corrosion-resistant layer 207, the corrosion of the cable sheath and internal structure by chemical impurities in the cable laying environment is prevented. The anti-slip textured layer 208 is then provided to facilitate the neat arrangement and fixation of the cable.
[0027] like Figure 4 As shown, a set of reinforcing ribs 209 are fixedly installed on the outer wall of the anti-slip textured layer 208; by setting the reinforcing ribs 209, the mechanical strength of the cable sheath is further improved, especially in resisting external pressure and bending force.
[0028] like Figures 1-4 As shown, the core structure 1 is inserted inside the sheath structure 2, and the filling layer 201 is disposed on the outer wall of the metal shielding layer 106; by disposing of the sheath structure 2 on the outer wall of the core structure 1, the core structure 1 is protected, ensuring the stability of the cable in use.
[0029] The method for using and the working principle of the device are as follows: when the cable structure is designed, firstly, the reinforcing core 101 is arranged to enhance the mechanical strength of the cable and also provide certain bending resistance; a group of wire bodies 102 are twisted on the outer wall of the reinforcing core 101, and the twisting direction is set as the same direction to increase the softness and anti-torsion performance of the cable; the conductor shielding layer 103 is arranged on the outer wall of the wire body 102 to make the electric field distribution around the conductor more uniform to avoid the electric field concentrating on some points; the insulation layer 104 is arranged on the outer wall of the conductor shielding layer 103 to prevent the current from flowing between the conductors at different potentials and ensure that the electric energy is transmitted in the wire according to the predetermined path; the insulation shielding layer 105 is arranged on the outer wall of the insulation layer 104 to further optimize the electric field distribution inside the cable in cooperation with the conductor shielding layer 103; the metal shielding layer 106 is arranged on the outer wall of the insulation shielding layer 105 to shield external electromagnetic interference and prevent external electromagnetic waves from entering the inside of the cable to interfere with the signals transmitted in the cable; then, the filling layer 201 is arranged on the outer wall of the metal shielding layer 106 to fill the gaps between the structure layers inside the cable and provide certain support force for the internal structure of the cable, so that the internal structure of the cable will not be easily deformed when the cable is subjected to radial pressure; the inner sheath 202 is arranged on the outer wall of the filling layer 201 to play an insulation protection role on the inside to prevent the internal conductor shielding layer 103, the insulation layer 104 and other structures from being eroded by external factors; the steel belt layer 203 is arranged on the outer wall of the inner sheath 202 to enhance the mechanical strength of the cable; the buffer layer 204 is arranged on the outer wall of the steel belt layer 203 to absorb and disperse the stress generated by the cable when it is subjected to external mechanical force; the waterproof layer 205 is arranged on the outer wall of the buffer layer 204 to improve its waterproof performance and avoid erosion in a high-humidity environment, so as to affect its normal use; finally, the anti-torsion reinforcing layer 206 is arranged on the outer wall of the waterproof layer 205, which can effectively resist the torsional force to prevent the conductor, the insulation layer 104 and other structures inside the cable from being damaged due to torsion, so as to ensure that the cable can still normally transmit current or signals under a certain degree of torsion; the corrosion-resistant layer 207 is arranged on the outer wall of the anti-torsion reinforcing layer 206 to prevent the corrosion of chemical impurities in the cable laying environment on the sheath and the internal structure of the cable; the anti-slip texture layer 208 is arranged on the outer wall of the corrosion-resistant layer 207 to increase the friction force of the surface of the cable during the cable laying process or when the cable contacts other equipment, which is beneficial to the neat arrangement and fixation of the cable bundle; and a group of reinforcing ribs 209 are fixedly sleeved on the outer wall of the anti-slip texture layer 208 to further improve the mechanical strength of the sheath of the cable, especially in resisting external pressure and bending force.Through the above layered setting, the cable can limit the interference in use, ensure the stable transmission of signals, evenly distribute the electric field, prevent the corona from being generated, improve the overall mechanical strength of the cable, avoid being bent and deformed by external force in use, and meanwhile, the inside of the sheath structure 2 is also provided with a layered anti-torsion reinforcing layer 206, so that the current or signal can be normally transmitted when a certain degree of torsion is received.
[0030] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.
Claims
1. A torsion-resistant cable, characterized in that Include: The core structure (1) and the sheath structure (2), the sheath structure (2) is fixedly sleeved on the outer wall of the core structure (1); The core structure (1) includes a reinforcing core (101), the outer wall of the reinforcing core (101) is twisted with a group of conductor bodies (102), the outer wall of the conductor body (102) is fixedly provided with a conductor shielding layer (103), the outer wall of the conductor shielding layer (103) is fixedly provided with an insulating layer (104), the outer wall of the insulating layer (104) is fixedly provided with an insulating shielding layer (105), and the outer wall of the insulating shielding layer (105) is fixedly provided with a metal shielding layer (106).
2. A torsion-resistant cable according to claim 1, characterized in that: The sheath structure (2) includes a filling layer (201), and the outer wall of the filling layer (201) is fixedly provided with an inner sheath (202).
3. A torsion-resistant cable according to claim 2, characterised in that: The outer wall of the inner sheath (202) is fixedly provided with a steel belt layer (203), and the outer wall of the steel belt layer (203) is fixedly provided with a buffer layer (204).
4. A torsion-resistant cable according to claim 3, characterized in that: The outer wall of the buffer layer (204) is fixedly provided with a waterproof layer (205), and the outer wall of the waterproof layer (205) is fixedly provided with a torsion-resistant reinforcing layer (206).
5. A torsion-resistant cable according to claim 4, characterised in that: The outer wall of the torsion-resistant reinforcing layer (206) is fixedly provided with a corrosion-resistant layer (207), and the outer wall of the corrosion-resistant layer (207) is fixedly provided with an anti-skid texture layer (208).
6. A torsion-resistant cable according to claim 5, characterised in that: The outer wall of the anti-skid texture layer (208) is fixedly provided with a group of reinforcing ribs (209).
7. A torsion-resistant cable according to claim 2, characterized in that: The core structure (1) is inserted into the inner sheath structure (2), and the filling layer (201) is arranged on the outer wall of the metal shielding layer (106).