A flat, highly flexible power supply cable

Abstract

This utility model discloses a flat, highly flexible power supply cable, including an outer sheath. An inner support structure is installed inside the outer sheath, and several sets of cable bodies are installed inside the inner support structure. The outer sheath includes an outer sleeve, which is flat. Through the design of the outer sheath, the outer sleeve provides overall structural protection for the cable body. Several sets of pressure-resistant grooves on the upper and lower sides of the outer sleeve prevent direct pressure from external objects on the cable body, improving the cable's pressure resistance. Simultaneously, through the inner support structure inside the outer sleeve, when the cable is compressed, the corrugated support frame, with the cable body hidden inside the concave grooves on the inner side of the support frame, transfers part of the compressive force to the outer sheath, reducing the direct compressive force on the cable and thus improving the cable's pressure resistance.

Description

Technical Field

[0001] This utility model relates to the field of cable manufacturing technology, specifically to a flat, highly flexible power supply cable. Background Technology

[0002] Flat high-flexibility power supply cable is a special cable designed for dynamic power supply scenarios (such as frequent bending and space-constrained environments). Its core feature is that the cross-section is flat and has excellent flexibility, which can achieve stable power supply in narrow spaces and adapt to high-frequency unidirectional or bidirectional bending movements.

[0003] Existing flat, highly flexible power cables enhance the bending performance of the cable body in the same straight direction through their flat structure, such as for powering machine tool cable chains. However, due to the limitations of their structure, flat cables have much lower compressive strength than round cables. When squeezed by external objects, the internal cable body directly bears the pressure, while the curved surface of round cables can disperse the impact force. To address the problem of insufficient compressive strength of flat cables, we need to propose a flat, highly flexible power cable.

[0004] According to the disclosure number CN222980186U, a highly flexible flat power supply cable for machine tool drag chains includes a reinforcing core, conductors, an insulation layer, an inner sheath, a shielding layer, and an outer sheath. Multiple conductors are arranged parallel to each other on the outside of the reinforcing core, and each conductor is covered with an insulation layer. Adjacent conductors covered with insulation layers are twisted together to form a twisted pair conductor unit. The reinforcing core and all twisted pair conductor units are wrapped in an inner sheath. The inner sheath is covered with a shielding layer, and the shielding layer is covered with an outer sheath. Multiple reinforcing wires are embedded in the outer sheath.

[0005] The high-flexibility flat power supply cable for machine tool drag chains described above suffers from the problem of poor compressive strength mentioned above. Therefore, we need to propose a flat, high-flexibility power supply cable. Utility Model Content

[0006] The purpose of this utility model is to provide a flat, highly flexible power supply cable. Through the setting of the outer sheath, the outer sheath provides overall structural protection for the cable body. Furthermore, several sets of anti-pressure grooves are opened on the upper and lower sides of the outer sheath to prevent foreign objects from directly squeezing the cable body. At the same time, through the setting of the internal support structure of the outer sheath, and by utilizing the connection relationship between the outer sheath, the support frame, and the cable body, when the cable is squeezed, the support frame is corrugated, and the cable body is hidden inside the concave groove on the inner side of the support frame. The support frame will transfer part of the squeezing force to the outer sheath, reducing the direct squeezing force on the cable, thereby solving the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a flat, highly flexible power supply cable, comprising an outer sheath, an inner support structure installed inside the outer sheath, and several sets of cable bodies installed inside the inner support structure; the outer sheath includes an outer sleeve, which is flat, and several sets of pressure-resistant grooves for protecting the cable bodies are provided on both the upper and lower sides of the outer sleeve; the inner support structure includes a support frame fixedly installed inside the outer sleeve, the support frame is corrugated, and several sets of concave grooves are formed on both sides of the support frame, and several sets of cable bodies are respectively placed inside one set of concave grooves.

[0008] Preferably, a set of anti-penetration plates are fixedly installed at both ends of the support frame, and a set of tensile steel wires are installed inside the concave grooves at both ends of the support frame.

[0009] Preferably, the outer sheath has several sets of curved grooves on its upper and lower sides, and the curved grooves on the upper and lower sides correspond to each other.

[0010] Preferably, several sets of anti-wear blocks are provided on both the left and right sides of the outer sheath, and several sets of anti-wear particles are provided on both the upper and lower surfaces of the outer sheath.

[0011] Preferably, the cable body includes a conductor, an insulating sleeve is fitted on the outside of the conductor, and a shielding sleeve is fitted on the outside of the insulating sleeve.

[0012] Preferably, the outer side of the shielding sleeve is fitted with a flame-retardant layer, which includes flame-retardant powder and flame-retardant tape.

[0013] Preferably, the gap between the outer sheath, the support frame, and the cable body forms a filling groove, and the interior of the filling groove is densely filled with cushioning material.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention utilizes an outer sheath to provide overall structural protection for the cable body. Several sets of pressure-resistant grooves on the upper and lower sides of the outer sheath prevent direct pressure from external objects on the cable body, improving its pressure resistance. Simultaneously, the internal support structure within the outer sheath allows the cable to be compressed. When the cable is subjected to pressure, the corrugated support frame, with the cable body hidden within the concave grooves inside the support frame, transfers some of the compressive force to the outer sheath, reducing direct pressure on the cable and further enhancing its pressure resistance.

[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention can be realized and obtained through the structures pointed out in the description and the accompanying drawings. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the installation structure of the internal support structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the cable of this utility model;

[0020] Figure 4 This is a schematic diagram of the cable body structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the support frame installation structure of this utility model;

[0022] Figure 6 This is a schematic diagram of the anti-wear block installation structure of this utility model;

[0023] In the diagram: 1. Outer sheath; 11. Outer sleeve; 12. Compression groove; 13. Bending groove; 14. Anti-wear block; 15. Anti-wear particles; 2. Internal support structure; 21. Support frame; 22. Concave groove; 23. Anti-penetration plate; 3. Cable body; 31. Conductor; 32. Insulation sleeve; 33. Shielding sleeve; 34. Flame retardant layer; 4. Tensile steel wire; 5. Filling groove; 6. Buffer material. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-6This utility model provides a flat, highly flexible power supply cable, including an outer sheath 1, an inner support structure 2 installed inside the outer sheath 1, and several sets of cable bodies 3 installed inside the inner support structure 2; the outer sheath 1 includes an outer sleeve 11, which is flat and has several sets of pressure-resistant grooves 12 on both the upper and lower sides for protecting the cable bodies 3; the inner support structure 2 includes a support frame 21 fixedly installed inside the outer sleeve 11, which is corrugated and has several sets of concave grooves 22 formed on both sides, and several sets of cable bodies 3 are respectively placed inside a set of concave grooves 22;

[0026] In use, the outer sheath 11 is flat, which improves the bending performance of the cable in a certain direction and meets the requirements of specific equipment. The outer sheath 11 has several sets of pressure-resistant grooves 12 on the upper and lower sides to prevent the cable body 3 from being directly squeezed by objects, thereby improving the cable's pressure resistance. At the same time, the inner support structure 2 hides the cable body 3 inside a set of concave grooves 22 of the inner support frame. When the cable is squeezed, the inner support first uses its own wave-shaped setting to transfer the squeezing force to the outer sheath 11, reducing the squeezing force directly received by the cable body 3, thereby further improving the cable's pressure resistance.

[0027] A set of anti-penetration plates 23 are fixedly installed at both ends of the support frame 21. The anti-penetration plates 23 prevent the outer sheath 11 from being directly penetrated when the support frame 21 is compressed due to the small force area at both ends. At the same time, the anti-penetration plates 23 increase the force area and improve the efficiency of the support frame 21 in transmitting pressure to the outer sheath 11. A set of tensile steel wires 4 are installed inside the concave grooves 22 at both ends of the support frame 21. The tensile steel wires 4 can improve the tensile strength of the cable body 3 and prevent the cable body 3 from being damaged by tension.

[0028] Several sets of bending grooves 13 are laterally opened on the upper and lower sides of the outer sheath 11. The bending grooves 13 on the upper and lower sides correspond to each other. By setting the bending grooves 13, the shear force when the cable is bent is reduced, thereby further improving the bending performance of the cable.

[0029] Several sets of anti-wear blocks 14 are provided on both the left and right sides of the outer sheath 11, and several sets of anti-wear particles 15 are provided on both the upper and lower surfaces of the outer sheath 11. As the friction area between the flat cable and the outside world increases, the repeated movement of the cable will cause the outer sheath 11 to be damaged by friction. By setting the anti-wear blocks 14 and anti-wear particles 15, the wear degree of the outer arc sleeve of the cable can be effectively reduced and the service life of the cable can be improved.

[0030] The cable body 3 includes a conductor 31, an insulating sleeve 32 is fitted on the outside of the conductor 31, and a shielding sleeve 33 is fitted on the outside of the insulating sleeve 32. The insulating sleeve 32 is used to prevent leakage and short circuit of the conductor 31, and the shielding sleeve 33 is used to prevent electromagnetic interference between several groups of cable bodies 3, thereby improving the performance of the cable body 3.

[0031] The outer side of the shielding sleeve 33 is fitted with a flame-retardant layer 34, which includes flame-retardant powder and flame-retardant tape. The flame-retardant layer 34 improves the cable's protective performance.

[0032] The gap between the outer sheath 11, the support frame 21, and the cable body 3 forms a filling groove 5. The filling groove 5 is densely filled with buffer material 6. Through the connection between the filling groove 5 and the buffer material 6, the cable body 3 is fixedly installed. At the same time, the buffer material 6 has the functions of flame retardancy, pressure resistance, and tensile resistance for the cable body 3, further improving the protection of the cable.

[0033] In practical use: the cable body 3 is installed in the concave groove 22 inside the support frame 21, and the outer sheath 11 is fitted on it. The internal filling groove 5 is filled with buffer material to realize the production of the cable. Through the several sets of anti-pressure grooves 12 opened on the upper and lower sides of the outer sheath 11, the external objects are prevented from directly squeezing the cable body 3, thereby improving the compressive strength of the cable body 3. At the same time, through the setting of the internal support structure 2 inside the outer sheath 11, when the cable is squeezed, the support frame 21 is corrugated, and the cable body 3 is hidden inside the concave groove 22 inside the support frame 21. The support frame 21 will transfer part of the squeezing force to the outer sheath 11, reducing the direct squeezing force on the cable, thereby improving the compressive strength of the cable.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flat, high-flexibility power supply cable, characterized by: It includes an outer sheath (1), an inner support structure (2) is installed inside the outer sheath (1), and several sets of cable bodies (3) are installed inside the inner support structure (2). The outer sheath (1) includes an outer sheath (11), which is flat and has several sets of pressure-resistant grooves (12) on both the upper and lower sides for protecting the cable body (3). The inner support structure (2) includes a support frame (21) fixedly installed inside the outer sheath (11). The support frame (21) is corrugated and several sets of concave grooves (22) are formed on both sides of the support frame (21). Several sets of cable bodies (3) are placed inside a set of concave grooves (22).

2. A flat high-flex power cable according to claim 1, characterized in that: Both ends of the support frame (21) are fixedly installed with a set of anti-penetration plates (23), and a set of tensile steel wires (4) are installed inside the concave grooves (22) at both ends of the support frame (21).

3. The flat high-flex power cable of claim 1, wherein: The outer sheath (11) has several sets of curved grooves (13) on its upper and lower sides, and the curved grooves (13) on the upper and lower sides correspond to each other.

4. The flat high-flex power cable of claim 1, wherein: The outer sheath (11) is provided with several sets of anti-wear blocks (14) on both the left and right sides, and several sets of anti-wear particles (15) are provided on both the upper and lower surfaces of the outer sheath (11).

5. The flat high-flex power cable of claim 1, wherein: The cable body (3) includes a conductor (31), an insulating sleeve (32) is fitted on the outside of the conductor (31), and a shielding sleeve (33) is fitted on the outside of the insulating sleeve (32).

6. A flat, high-flex power cable according to claim 5, characterized in that: The outer side of the shielding sleeve (33) is fitted with a flame-retardant layer (34), which includes flame-retardant powder and flame-retardant tape.

7. The flat high-flex power cable of claim 1, wherein: The gap between the outer sheath (11), the support frame (21), and the cable body (3) forms a filling groove (5), and the interior of the filling groove (5) is densely filled with cushioning material (6).

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