Flexible tensile low-temperature-resistant waterproof wire cable

Abstract

The utility model provides a flexible tensile low-temperature-resistant waterproof wire cable, which relates to the technical field of cables and comprises three cable groups, a low-temperature-resistant filling layer, a fiber braid layer, a waterproof layer and a wear-resistant layer which are sequentially arranged from inside to outside. The cable group comprises three cable cores and a low-temperature-resistant insulating layer wrapping the outer side of the cable, and the three cable cores are arranged in a triangular shape and are mutually twisted; the cable groups are wrapped by the low-temperature-resistant filling layer, a reinforcing wire and a plurality of buffer filling cores are arranged in the low-temperature-resistant filling layer, the reinforcing wire is arranged in a central area defined by the three cable groups, and each buffer filling core is arranged in a gap between every two adjacent cable groups; the outer side of the low-temperature-resistant filling layer is coated with a fiber woven layer; the outer side of the fiber woven layer is coated with a waterproof layer, and the outer side of the waterproof layer is coated with a wear-resistant layer. The low temperature resistance of the cable is improved, and the flexibility of the cable is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a flexible, tensile-resistant, low-temperature-resistant and waterproof electric wire and cable. Background Art

[0002] Wires and cables are widely used in underground power grids, power station outgoing lines, and underwater transmission lines. However, current wires and cables also have drawbacks. When used in low-temperature environments, they can freeze, losing their elasticity or even cracking, exposing the cable interior. This severely reduces the service life of the power cables and creates safety hazards. To address this issue, the present invention proposes an insulated, low-temperature-resistant flexible cable to address the shortcomings and drawbacks of existing technologies. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model proposes a flexible, tensile-resistant, low-temperature-resistant and waterproof wire and cable, which improves the low-temperature resistance of the cable and at the same time improves the flexibility of the cable.

[0004] The technical solution of the present utility model is achieved as follows:

[0005] A flexible, tensile-resistant, low-temperature-resistant and waterproof wire and cable, comprising a cable group, a low-temperature-resistant filling layer, a fiber braided layer, a waterproof layer and a wear-resistant layer arranged in sequence from the inside to the outside, wherein the cable groups are three groups arranged in a triangle and in contact with each other, the cable group comprises a wire core and a low-temperature-resistant insulation layer wrapped around the outside of the cable, the wire cores are three and arranged in a triangle and twisted together; the low-temperature-resistant filling layer wraps the cable group, a reinforcing wire and a plurality of buffer filling cores are provided in the low-temperature-resistant filling layer, the reinforcing wire is arranged in a central area surrounded by the three groups of cable groups, and the buffer filling core is arranged in the gap between two adjacent cable groups; the outer side of the low-temperature-resistant filling layer is covered with a fiber braided layer; the outer side of the fiber braided layer is covered with a waterproof layer, and the outer side of the waterproof layer is covered with a wear-resistant layer.

[0006] Preferably, the reinforcement line is a low-temperature resistant nylon rope.

[0007] Preferably, the material of the buffer filling core is natural rubber.

[0008] Preferably, the material of the wear-resistant layer is polyether thermoplastic polyurethane elastomer.

[0009] Preferably, the material of the low-temperature resistant filling layer is polytetrafluoroethylene added with a cold-resistant agent.

[0010] Preferably, the waterproof layer is bonded between the fiber braided layer and the wear-resistant layer by low-temperature resistant glue.

[0011] Preferably, the waterproof layer is made of polyvinyl chloride.

[0012] Preferably, the fiber braided layer is made of polyamide fiber.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] With this solution, the cable groups are divided into three groups and arranged in a triangle and in contact with each other, and the wire cores are three and arranged in a triangle and twisted together, which improves the bending performance of the wire core and its cable group, making the cable as a whole have better flexibility; at the same time, the outside of the cable group is covered with a low-temperature resistant filling layer, which makes the cable group and the battery core have better cold resistance and are not easy to crack. At the same time, the low-temperature resistant filling layer is provided with reinforcing wires and buffer filling cores, which makes the cable structure more stable while improving the overall tensile and shock-absorbing effects. In addition, the outermost layer is provided with fiber braiding, waterproof layer and wear-resistant layer, which makes the cable more durable and has a longer lifespan while improving the low-temperature resistance and flexibility of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0016] Figure 1 This is a structural diagram of a flexible, tensile-resistant, low-temperature-resistant and waterproof wire and cable according to the present invention;

[0017] Figure identification: 1-cable group; 11-wire core; 12-low temperature resistant insulation layer; 2-low temperature resistant filling layer; 21-reinforcement wire; 22-buffer filling core; 3-fiber braided layer; 4-waterproof layer; 5-wear-resistant layer. DETAILED DESCRIPTION

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

[0019] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0021] This embodiment provides a flexible, tensile, low-temperature, and waterproof wire and cable. Figure 1 As shown, it includes a cable group 1, a low-temperature resistant filling layer 2, a fiber braided layer 3, a waterproof layer 4 and a wear-resistant layer 5 arranged in sequence from the inside to the outside, the cable group 1 is three groups and arranged in a triangle and in contact with each other, the cable group 1 includes a wire core 11 and a low-temperature resistant insulation layer 12 wrapped around the outside of the wire core 11, the wire core 11 is three and arranged in a triangle and twisted with each other; the low-temperature resistant filling layer 2 covers the cable group 1, and a reinforcement wire 21 and a plurality of buffer filling cores 22 are provided in the low-temperature resistant filling layer 2, the reinforcement wire 21 is arranged in the central area surrounded by the three groups of cable groups 1, and the buffer filling core 22 is arranged in the gap between two adjacent cable groups 1; the outer side of the low-temperature resistant filling layer 2 is covered with a fiber braided layer 3; the outer side of the fiber braided layer 3 is covered with a waterproof layer 4, and the outer side of the waterproof layer 4 is covered with a wear-resistant layer 5.

[0022] In this embodiment, the reinforcing wire 21 is a low-temperature resistant nylon rope, which improves the weighing effect of the wire core 11 and the cable group 1 inside the low-temperature resistant filling layer 2 and improves the overall tensile effect of the cable group.

[0023] In this embodiment, the material of the buffer filling core 22 is natural rubber. Natural rubber is soft and ultra-low temperature resistant, which further increases the softness and low temperature resistance of the cable assembly 1.

[0024] In this embodiment, the material of the wear-resistant layer 5 is polyether thermoplastic polyurethane elastomer (TPU).

[0025] In this embodiment, the material of the low-temperature resistant filling layer 2 is polytetrafluoroethylene added with a cold-resistant agent, such as DOS (dioctyl sebacate). DOS (dioctyl sebacate) is an excellent cold-resistant plasticizer with high plasticizing efficiency and low volatility. It has excellent cold resistance, good heat resistance, light resistance and electrical insulation cable core.

[0026] In this embodiment, the waterproof layer 4 is bonded between the fiber braided layer 3 and the wear-resistant layer 5 by low-temperature resistant glue.

[0027] In this embodiment, the waterproof layer 4 is made of polyvinyl chloride, which can prevent water from entering the cable group or the low-temperature resistant filling layer 2 .

[0028] In this embodiment, the fiber braided layer 3 is made of polyamide fiber. The braided layer can prevent sharp objects from scratching the cable, thereby extending the service life of the cable.

[0029] Working principle: The cable group 1 consists of three groups arranged in a triangle and in contact with each other, and the wire cores 11 consist of three wires arranged in a triangle and twisted together, which improves the bending performance of the wire core 11 and its cable group 1, and makes the cable as a whole have better softness; at the same time, the outer side of the cable group 1 is covered with a low-temperature resistant filling layer 2, so that the cable group and the battery core have better cold resistance and are not easy to crack. At the same time, the low-temperature resistant filling layer 2 is provided with a reinforcing wire 21 and a buffer filling core 22, which makes the cable structure more stable while improving the overall tensile and shock-absorbing effect. In addition, the outermost layer is provided with fiber braiding, a waterproof layer 4 and a wear-resistant layer 5, so that the cable is more durable and has a longer service life while improving the low-temperature resistance and flexibility of the cable.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A flexible tensile, low-temperature, waterproof wire and cable, characterized by: The invention comprises a cable group (1), a low-temperature resistant filling layer (2), a fiber braided layer (3), a waterproof layer (4) and a wear-resistant layer (5) arranged in sequence from the inside to the outside, wherein the cable group (1) is composed of three groups arranged in a triangle and in contact with each other, and the cable group (1) comprises a wire core (11) and a low-temperature resistant insulation layer (12) coated on the outside of the wire core (11), wherein the wire core (11) is composed of three wires arranged in a triangle and twisted with each other; the low-temperature resistant filling layer (2) covers the cable group (1), and the low-temperature resistant insulation layer (12) covers the wire core (11). The low-temperature resistant filling layer (2) is provided with a reinforcement line (21) and a plurality of buffer filling cores (22), the reinforcement line (21) is provided in a central area surrounded by the three groups of cable groups (1), and the buffer filling core (22) is provided in a gap between two adjacent cable groups (1); the outer side of the low-temperature resistant filling layer (2) is coated with a fiber braided layer (3); the outer side of the fiber braided layer (3) is coated with a waterproof layer (4), and the outer side of the waterproof layer (4) is coated with a wear-resistant layer (5).

2. The flexible tensile-resistant, low-temperature-resistant and waterproof wire and cable according to claim 1, characterized in that: The reinforcing wire (21) is a low-temperature resistant nylon rope.

3. The flexible tensile-resistant, low-temperature-resistant and waterproof wire and cable according to claim 1, characterized in that: The material of the buffer filling core (22) is natural rubber.

4. The flexible tensile-resistant, low-temperature-resistant and waterproof wire and cable according to claim 1, characterized in that: The material of the wear-resistant layer (5) is polyether-type thermoplastic polyurethane elastomer.

5. The flexible tensile-resistant, low-temperature-resistant and waterproof wire and cable according to claim 1, characterized in that: The material of the low-temperature resistant filling layer (2) is polytetrafluoroethylene added with a cold-resistant agent.

6. The flexible tensile-resistant, low-temperature-resistant and waterproof wire and cable according to claim 1, characterized in that: The waterproof layer (4) is bonded between the fiber braided layer (3) and the wear-resistant layer (5) by means of low-temperature resistant glue.

7. A flexible tensile-resistant, low-temperature-resistant and waterproof wire and cable according to claim 1 or 6, characterized in that: The material of the waterproof layer (4) is polyvinyl chloride.

8. A flexible tensile-resistant, low-temperature-resistant, waterproof wire and cable according to claim 1 or 6, characterized in that: The fiber braided layer (3) is made of polyamide fiber.

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