High-flexibility folding-resistant multi-core combined transverse watertight cable

Abstract

The utility model discloses a high-flexibility folding-resistant multi-core combined transverse watertight cable, which comprises a plurality of coaxial dispersed cabling wire cores and a shielding layer coated on the periphery of all the cabling wire cores, an outer sheath layer is coated outside the shielding layer, each cabling wire core comprises a conductor core, an insulating layer, an inner sheath and a fluoroplastic wire, the cable comprises a conductor core, an insulating layer is wrapped outside the conductor core, an inner sheath layer is wrapped outside the insulating layer, the conductor core is formed by weaving a plurality of silver-plated copper stranded wires, and the insulating layer is a low-smoke halogen-free flame-retardant polyolefin outer sheath. According to the high-flexibility folding-resistant multi-core combined transverse watertight cable, the silver-plated copper stranded wires and the fluoroplastic wires are adopted as the cabling wire cores, so that the cable is small in outer diameter and light in weight, the high-flexibility folding-resistant function is realized, the flexibility and the side pressure resistance of a product are improved, the layout design of combination of multiple groups of wire cores is adopted, the occupied space is reduced while the functional requirements are met, and the cost is reduced. And convenience is brought to construction.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a highly flexible, fold-resistant, multi-core combined transverse watertight cable. Background Art

[0002] A cable is a device for transmitting electrical energy or signals, usually consisting of several or several groups of wires.

[0003] Watertight cables are suitable for high-watertightness, high-flexibility and fold-resistant multi-core integrated cables in the fields of ships, offshore oil platforms, deep-sea resource exploration, etc. They can also be used for various types of submersible motor lead-in wires, wires and cables used for telescopic / drag in deep water, submersible pumps and various underwater working electrical appliances from underwater to the surface of the water. Watertight cables require cables to have good bending performance, softness, lateral pressure resistance and high tensile and wear resistance. The product has a small outer diameter, light weight, small footprint, and convenient construction. It also provides a variety of transmission technologies. At the same time, the equipment has high adaptability and strong scalability, and the product has a wide range of applications.

[0004] However, the general softness and lateral pressure resistance of current watertight cables do not meet the operational requirements, the wire material cost and construction cost are high, the performance of resisting external longitudinal pressure is low, and the stability of the overall cable structure is reduced. Therefore, in view of the above shortcomings, the utility model makes the following improvements. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a highly flexible, fold-resistant, multi-core combined transverse watertight cable, which solves the problems mentioned in the background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a highly flexible, fold-resistant, multi-core combined transverse watertight cable, comprising a plurality of coaxially dispersed cable cores and a shielding layer coated on the periphery of all the cable cores, and the outside of the shielding layer is coated with an outer sheath layer, the cable core comprises a conductor core, an insulating layer, an inner sheath and a fluoroplastic conductor, the outside of the conductor core is coated with an insulating layer, and the outside of the insulating layer is coated with an inner sheath layer.

[0007] Preferably, the conductor core is woven from a plurality of silver-plated copper strands.

[0008] Preferably, the insulating layer is a low-smoke, halogen-free, flame-retardant polyolefin outer sheath.

[0009] Preferably, the shielding layer is a tinned wire braided mesh.

[0010] Preferably, the outer sheath layer is a hydrolysis-resistant polyurethane sheath.

[0011] Preferably, the inner sheath is made of chloroprene rubber.

[0012] Beneficial Effects

[0013] The utility model provides a highly flexible, fold-resistant, multi-core combined transverse watertight cable. Compared with the prior art, it has the following beneficial effects:

[0014] (1) The high-flexibility, fold-resistant multi-core combined transverse watertight cable adopts silver-plated copper stranded wire and fluoroplastic conductor as the cable core, so that the cable has a small outer diameter and light weight, and achieves high flexibility and fold-resistant functions, improves the softness and lateral pressure resistance of the product, and adopts a multi-group core combination layout design, which reduces the occupied space while meeting the functional requirements, bringing convenience to construction.

[0015] (2) The highly flexible, fold-resistant, multi-core combined transverse watertight cable adopts a hydrolysis-resistant polyurethane sheath material as the sheath layer of the cable to ensure the cable's tensile resistance, wear resistance, and hydrolysis resistance, thereby improving the overall structural stability of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of the structure of the utility model.

[0017] In the figure: 1. Shielding layer; 2. Conductor core; 3. Insulation layer; 4. Inner sheath; 5. Fluoroplastic conductor; 6. Inner sheath layer; 7. Outer sheath layer. 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] See also Figure 1 As shown, the utility model provides a highly flexible, fold-resistant, multi-core combined transverse watertight cable, comprising a plurality of coaxially dispersed cable cores and a shielding layer 1 coated on the periphery of all the cable cores, the cable core comprising a conductor core 2, an insulating layer 3, an inner sheath 4 and a fluoroplastic conductor 5, the conductor core 2 is coated with an insulating layer 3 on the outside, and the insulating layer 3 is coated with an inner sheath layer 6 on the outside.

[0020] The conductor core 2 is braided from a number of silver-plated copper strands.

[0021] The insulating layer 3 is a low-smoke, halogen-free, flame-retardant polyolefin outer sheath, which improves the environmental protection and safety of the cable.

[0022] The shielding layer 1 is a tinned wire braided mesh, which can effectively prevent electromagnetic interference, ensure that the quality of the wire core signal transmission is not affected by external noise, and can also greatly increase the tensile and torsional resistance of the entire cable.

[0023] The outer sheath layer 7 is a hydrolysis-resistant polyurethane sheath, which ensures the tensile strength, abrasion resistance and hydrolysis resistance of the cable, improves the overall structural stability of the cable, and realizes the lateral watertightness function of the product.

[0024] Wherein, the inner sheath 4 is made of chloroprene rubber.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly flexible, fold-resistant, multi-core combined transverse watertight cable, characterized in that: The invention comprises a plurality of coaxially dispersed cable cores and a shielding layer (1) covering the periphery of all the cable cores, wherein the shielding layer (1) is covered with an outer sheath layer (7) on the outside, and the cable core comprises a conductor core (2), an insulating layer (3), an inner sheath (4) and a fluoroplastic conductor (5), wherein the conductor core (2) is covered with an insulating layer (3) on the outside, and the insulating layer (3) is covered with an inner sheath layer (6) on the outside.

2. A highly flexible, fold-resistant, multi-core combined transverse watertight cable according to claim 1, characterized in that: The conductor core (2) is braided from a plurality of silver-plated copper strands.

3. A highly flexible, fold-resistant, multi-core combined transverse watertight cable according to claim 1, characterized in that: The insulating layer (3) is a low-smoke, halogen-free, flame-retardant polyolefin outer sheath.

4. The highly flexible, fold-resistant, multi-core combined transverse watertight cable according to claim 1, characterized in that: The shielding layer (1) is a tinned wire braided mesh.

5. The highly flexible, fold-resistant, multi-core combined transverse watertight cable according to claim 1, characterized in that: The outer sheath layer (7) is a hydrolysis-resistant polyurethane sheath.

6. A highly flexible, fold-resistant, multi-core combined transverse watertight cable according to claim 1, characterized in that: The inner sheath (4) is made of chloroprene rubber.

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