Flexible flat cable

Abstract

The utility model provides an easy-to-bend flat cable, which relates to the technical field of cables and comprises cable cores, a plurality of cable cores are arranged in parallel, an inner sheath is arranged outside the cable cores, an outer sheath is arranged outside the inner sheath, and the outer sheath comprises a protective layer. According to the utility model, the outer sheath is sequentially provided with the first shielding layer, the reinforcing layer and the protective layer from inside to outside, signal crosstalk among different cable cores is reduced, the reinforcing columns increase the overall strength of the outer sheath, and the outer side of the protective layer is provided with the easy-to-bend grooves, so that when the cable is bent, creases can fall into the easy-to-bend grooves, and mutual extrusion and stretching of outer layer materials are avoided; therefore, damage to the cable is reduced, bending performance is improved, wear resistance of the cable can be improved through the wear-resistant blocks, and the service life of the cable is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to an easy bending flat cable. BACKGROUND

[0002] Cable is a kind of electric energy or signal transmission device, usually by several or several groups of wire, flat cable is a kind of cable type, its most remarkable feature is the flat shape, so that cable has unique advantage in some application scenarios.

[0003] In prior art, during the operation of equipment, cable needs to move or deform, cable is stretched and extruded at joint, and continuous external force can cause the outer layer of cable to break, so that the performance of cable is continuously reduced, and then the service life of cable is affected. UTILITY MODEL CONTENT

[0004] The utility model mainly provides an easy bending flat cable that prevents deformation and rupture when bending and improves strength.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: an easy bending flat cable, including cable core, a plurality of cable cores are arranged side by side, the outside of cable core is installed with inner sheath, the outside of inner sheath is installed with outer sheath, the outer sheath includes protective layer, the inner ring surface of protective layer is connected with reinforcing layer, the inside of reinforcing layer is fixedly connected with reinforcing column, the outside of protective layer is provided with easy bending groove, a plurality of easy bending grooves are equidistantly distributed on the outside of outer sheath, the outside of outer sheath is fixedly connected with wear-resistant block, a plurality of wear-resistant blocks and a plurality of easy bending grooves are arranged at intervals, the inside of reinforcing layer is connected with a plurality of reinforcing columns, the overall strength of outer sheath can be increased, the outside of protective layer is provided with easy bending groove, so that when cable is bent, crease can fall into easy bending groove, mutual extrusion and stretching of outer layer material are avoided, so as to reduce the damage to cable, improve bending performance, the outside of protective layer is provided with a plurality of wear-resistant blocks, the wear resistance of cable can be improved, and the service life of cable is prolonged.

[0006] Preferably, the inner ring surface of the reinforcing layer is connected with a first shielding layer, the first shielding layer is wrapped outside the inner sheath, and the first shielding layer fills shielding material in the gap between the reinforcing layer and the inner sheath to reduce signal crosstalk between different cable cores.

[0007] Preferably, the inner sheath includes an insulating layer, the inner ring surface of the insulating layer is connected with an isolation layer, and the inner ring surface of the isolation layer is connected with a buffer layer, the insulating layer is made of polyvinyl chloride material, has high insulation, can prevent current leakage, the buffer layer can effectively reduce the damage of external pressure and vibration to the cable core, prevent the conductor from breaking or the insulating layer from breaking, and the isolation layer prevents mutual displacement of different parts inside the cable core.

[0008] Preferably, the inner annular surface of the buffer layer is compositely connected to the second shielding layer, which covers the outside of the cable core. The second shielding layer fills the gap between the cable core and the buffer layer with shielding material, which can reduce signal crosstalk between different cable cores.

[0009] Preferably, the cable core includes conductors and reinforcing cores. Multiple conductors are provided, and the multiple conductors surround the outside of the reinforcing core. During cable bending, the reinforcing core can provide support for the conductors, so that they maintain a relatively stable position when bending, avoid excessive compression or stretching between the conductors, and improve the protection effect on the conductors.

[0010] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0011] 1. In this utility model, the outer sheath is provided with a first shielding layer, a reinforcing layer and a protective layer from the inside to the outside, which reduces signal crosstalk between different cable cores. At the same time, the reinforcing column increases the overall strength of the outer sheath. The outer side of the protective layer is provided with a bendable groove, so that when the cable is bent, the crease can fall into the bendable groove, avoiding the outer material from being squeezed and stretched against each other, thereby reducing damage to the cable and improving bending performance. The wear-resistant block can improve the wear resistance of the cable and extend the service life of the cable.

[0012] 2. In this utility model, the inner sheath is provided with a second shielding layer, a buffer layer, an isolation layer and an insulation layer from the inside to the outside. The second shielding layer can reduce signal crosstalk between different cable cores. The insulation layer is made of polyvinyl chloride material, which has high insulation and can prevent current leakage. The buffer layer can effectively reduce the damage to the cable core by external pressure and vibration, and prevent conductor breakage or insulation layer rupture. The isolation layer prevents the mutual displacement of different parts inside the cable core and improves the protection effect of the cable core. Attached Figure Description

[0013] Figure 1 A perspective view of an easily bendable flat cable is provided for this utility model;

[0014] Figure 2 This utility model provides a schematic diagram of the internal planar structure of an easily bendable flat cable;

[0015] Figure 3 A schematic diagram of a reinforcing layer structure for a bendable flat cable is provided for this utility model;

[0016] Figure 4 This utility model presents a schematic diagram of the connection structure between the cable core and inner sheath of an easily bendable flat cable.

[0017] Legend: 1. Outer sheath; 11. Protective layer; 12. Reinforcing layer; 13. First shielding layer; 14. Reinforcing post; 2. Cable core; 21. Conductor; 22. Reinforcing core; 3. Inner sheath; 31. Insulation layer; 32. Isolation layer; 33. Buffer layer; 34. Second shielding layer; 4. Bendable groove; 5. Wear-resistant block. Detailed Implementation

[0018] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0019] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Please see Figure 1 - Figure 4 This utility model provides a technical solution: a bendable flat cable, including a cable core 2, multiple cable cores 2 arranged in parallel, an inner sheath 3 installed on the outside of the cable core 2, an outer sheath 1 installed on the outside of the inner sheath 3, the outer sheath 1 including a protective layer 11, a reinforcing layer 12 compositely connected to the inner annular surface of the protective layer 11, reinforcing columns 14 fixedly connected inside the reinforcing layer 12, bendable grooves 4 opened on the outside of the protective layer 11, multiple bendable grooves 4 equally distributed on the outside of the outer sheath 1, wear-resistant blocks 5 fixedly connected to the outside of the outer sheath 1, multiple sets of wear-resistant blocks 5 and multiple bendable grooves 4 are spaced apart, multiple reinforcing columns 14 are connected inside the reinforcing layer 12, which can increase the overall strength of the outer sheath 1, the bendable grooves 4 are provided on the outside of the protective layer 11 so that when the cable is bent, the crease can fall into the bendable grooves 4, avoiding mutual compression and stretching of the outer materials, thereby reducing damage to the cable and improving bending performance, at the same time the multiple sets of wear-resistant blocks 5 are provided on the outside of the protective layer 11, which can improve the wear resistance of the cable and extend the service life of the cable.

[0021] like Figure 2 As shown, the inner ring surface of the reinforcing layer 12 is compositely connected to the first shielding layer 13. The first shielding layer 13 covers the outside of the inner sheath 3. The first shielding layer 13 fills the gap between the reinforcing layer 12 and the inner sheath 3 with shielding material, thereby reducing signal crosstalk between different cable cores 2.

[0022] like Figure 1 and Figure 2As shown, the inner sheath 3 includes an insulation layer 31, an inner annular surface of the insulation layer 31 is composite connected to an isolation layer 32, and an inner annular surface of the isolation layer 32 is composite connected to a buffer layer 33. The insulation layer 31 is made of polyvinyl chloride material and has high insulation properties, which can prevent current leakage. The buffer layer 33 can effectively reduce the damage of external pressure and vibration to the cable core 2, prevent the conductor 21 from breaking or the insulation layer 31 from cracking. The isolation layer 32 prevents the mutual displacement of different parts inside the cable core 2.

[0023] like Figure 1 and Figure 2 As shown, the inner annular surface of the buffer layer 33 is compositely connected to the second shielding layer 34. The second shielding layer 34 covers the outside of the cable core 2. The second shielding layer 34 fills the gap between the cable core 2 and the buffer layer 33 with shielding material, which can reduce signal crosstalk between different cable cores 2.

[0024] like Figure 4 As shown, the cable core 2 includes a conductor 21 and a reinforcing core 22. Multiple conductors 21 are provided, and multiple conductors 21 are surrounded around the outside of the reinforcing core 22. During the bending process of the cable, the reinforcing core 22 can provide support for the conductors 21, so that they maintain a relatively stable position when bending, avoid excessive compression or stretching between the conductors 21, and improve the protection effect of the conductors 21.

[0025] The device's operation and working principle are as follows: Multiple conductors 21 are wrapped around the outside of a reinforcing core 22. Due to the high strength of the reinforcing core 22, it provides support for the conductors 21 during cable bending, maintaining a relatively stable position and preventing excessive compression or stretching between the conductors 21. An inner sheath 3 is provided outside the cable core 2. From the inside out, the inner sheath 3 contains a second shielding layer 34, a buffer layer 33, an isolation layer 32, and an insulation layer 31. The second shielding layer 34 fills the gap between the cable core 2 and the buffer layer 33 with shielding material, reducing signal crosstalk between different cable cores 2. The insulation layer 31 is made of polyvinyl chloride material, has high insulation properties, and can prevent current leakage. The buffer layer 33 can effectively reduce the damage to the cable core 2 caused by external pressure and vibration, preventing the conductors 21 from breaking or becoming unstable. The insulation layer 31 is broken, and the isolation layer 32 prevents the mutual displacement of different parts inside the cable core 2. Multiple inner sheaths 3 are arranged in parallel, and an outer sheath 1 is arranged outside the multiple inner sheaths 3. The outer sheath 1 is arranged from the inside to the outside as follows: a first shielding layer 13, a reinforcing layer 12, and a protective layer 11. The first shielding layer 13 fills the gap between the reinforcing layer 12 and the inner sheath 3 with shielding material to reduce signal crosstalk between different cable cores 2. Multiple reinforcing pillars 14 are connected inside the reinforcing layer 12 to increase the overall strength of the outer sheath 1. The outer side of the protective layer 11 is provided with a bendable groove 4 so that when the cable is bent, the crease can fall into the bendable groove 4, avoiding mutual compression and stretching of the outer materials, thereby reducing damage to the cable and improving bending performance. At the same time, multiple sets of wear-resistant blocks 5 are provided on the outer side of the protective layer 11 to improve the wear resistance of the cable and extend the service life of the cable.

[0026] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A flexible flat cable, comprising a cable core (2), characterized in that: Multiple cable cores (2) are arranged side by side. An inner sheath (3) is installed on the outside of the cable core (2). An outer sheath (1) is installed on the outside of the inner sheath (3). The outer sheath (1) includes a protective layer (11). The inner annular surface of the protective layer (11) is connected to a reinforcing layer (12). A reinforcing column (14) is fixedly connected inside the reinforcing layer (12). A bendable groove (4) is opened on the outside of the protective layer (11). Multiple bendable grooves (4) are equidistantly distributed on the outside of the outer sheath (1). A wear-resistant block (5) is fixedly connected to the outside of the outer sheath (1). Multiple sets of wear-resistant blocks (5) are spaced apart from multiple bendable grooves (4).

2. The flexible flat cable according to claim 1, characterized in that: The inner ring surface of the reinforcing layer (12) is compositely connected to the first shielding layer (13), and the first shielding layer (13) covers the outside of the inner sheath (3).

3. The flexible flat cable according to claim 1, characterized in that: The inner sheath (3) includes an insulating layer (31), an inner annular surface of the insulating layer (31) is composite connected to an isolation layer (32), and an inner annular surface of the isolation layer (32) is composite connected to a buffer layer (33).

4. The flexible flat cable according to claim 3, characterized in that: The inner annular surface of the buffer layer (33) is compositely connected to the second shielding layer (34), which covers the outside of the cable core (2).

5. The flexible flat cable according to claim 1, characterized in that: The cable core (2) includes a conductor (21) and a reinforcing core (22), wherein a plurality of conductors (21) are provided, and the plurality of conductors (21) surround the outside of the reinforcing core (22).

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