CN216487476U - Multi-core coaxial waterproof cable - Google Patents

Abstract

The utility model discloses a multi-core coaxial waterproof cable which comprises a cable, wherein a framework is arranged at the central position of the cable, five monomers are arranged at the periphery of the framework, conductors are arranged at the central positions of the monomers, first water-blocking tapes are arranged at the periphery of the conductors, insulating layers are arranged at the periphery of the first water-blocking tapes, protective jacket layers are arranged at the outer layers of the monomers, shielding layers are arranged between the insulating layers and the protective jacket layers, the outer layer of the cable is a surface layer, and an armor layer is arranged on the inner side of the surface layer. According to the utility model, the waterproof layer and the second water-blocking tape on the waterproof layer form the outer-layer waterproof wire, the first water-blocking tape on the conductor forms the inner-layer waterproof wire, so that the overall waterproof performance of the cable is greatly improved, meanwhile, the polyurethane material is adopted for the surface layer, the wear resistance of the cable is improved, the hardness of the cable is improved by the armor layer, and the cable has good waterproof and wear resistance, so that the cable is worth of being widely popularized.

Description

Multi-core coaxial waterproof cable

Technical Field

The utility model relates to the technical field of cables, in particular to a multi-core coaxial waterproof cable.

Background

The electric wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion, the electric wire and cable in a broad sense is also called as a cable for short, the cable in a narrow sense refers to an insulated cable, an aggregate consisting of the following parts, one or more insulated wire cores, a coating layer, a total protection layer and an outer protection layer which may be respectively arranged on the insulated wire cores, and the cable also can be provided with an additional conductor without insulation.

Chinese patent document CN 202615920U discloses a coaxial multi-core cable, which includes a sheath, wherein a shielding layer is disposed in an inner layer of the sheath, at least two independent cable cores with insulating layers and shielding layers I are disposed in the shielding layer, and filling layers are disposed in gaps between the shielding layer and each independent cable core and between each independent cable core. The advantages are that: the utility model has reasonable section structure, can meet the requirement of multiplex transmission, is more convenient to collect and release as a whole, and reduces the time required by disassembling and erecting the equipment; the filling layer is filled in the gaps between the shielding layer I and each independent cable core and between the shielding layer I and each independent cable core, the effect of moisture prevention and forming can be achieved, and the independent cable cores are prevented from being extruded mutually, so that the service life of a product is prolonged, but the cable is not provided with a waterproof design and cannot meet the use requirement under water.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a multi-core coaxial waterproof cable.

In order to achieve the purpose, the utility model adopts the following technical scheme: the multi-core coaxial waterproof cable comprises a cable, wherein a framework is arranged at the center of the cable, five monomers are arranged on the periphery of the framework, conductors are arranged at the center of the monomers, a first water blocking tape is arranged on the periphery of each conductor, an insulating layer is arranged on the periphery of each first water blocking tape, a protective jacket layer is arranged on the outer layer of each monomer, a shielding layer is arranged between each insulating layer and the corresponding protective jacket layer, the outer layer of the cable is a surface layer, an armor layer is arranged on the inner side of the surface layer, a waterproof layer is arranged on the inner layer of the armor layer, a second water blocking tape is arranged on the outer side of the waterproof layer, and a middle layer is arranged on the inner side of the waterproof layer.

As a further description of the above technical solution:

and filling ropes are filled between the monomers and the framework.

As a further description of the above technical solution:

the insulating layer is made of polyvinyl chloride.

As a further description of the above technical solution:

the shielding layer is formed by weaving copper and aluminum materials.

As a further description of the above technical solution:

the material of the protective sheath layer is polyvinyl chloride.

As a further description of the above technical solution:

the waterproof layer is made of cross-linked polyethylene.

As a further description of the above technical solution:

the armor layer is made of aluminum.

As a further description of the above technical solution:

the surface layer material is polyurethane.

The utility model has the following beneficial effects:

according to the utility model, the outer waterproof wire is formed by the waterproof layer and the second water-blocking tape on the waterproof layer, and the inner waterproof wire is formed by the first water-blocking tape on the conductor, so that the overall waterproof performance of the cable is greatly improved, meanwhile, the wear-resisting performance of the cable is improved by adopting a polyurethane material as the surface layer, the overall hardness of the cable is improved by the armor layer, and the overall cable has good waterproof and wear-resisting performances, so that the cable is worth being widely popularized.

Drawings

Fig. 1 is a schematic structural diagram of a multi-core coaxial waterproof cable according to the present invention;

fig. 2 is a perspective view of a conductor and a first water-blocking tape in the multi-core coaxial waterproof cable according to the present invention.

Illustration of the drawings:

1. a cable; 2. a framework; 3. filling a rope; 4. a conductor; 5. a first water blocking tape; 6. an insulating layer; 7. a shielding layer; 8. a protective jacket layer; 9. an intermediate layer; 10. a waterproof layer; 11. a second water blocking tape; 12. an armor layer; 13. a surface layer; 14. a monomer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, one embodiment of the present invention is provided: a multi-core coaxial waterproof cable comprises a cable 1, a framework 2 is arranged at the center of the cable 1, five single bodies 14 are arranged at the periphery of the framework 2, conductors 4 are arranged at the center of the single bodies 14, first water-blocking tapes 5 are arranged at the periphery of the conductors 4, insulating layers 6 are arranged at the periphery of the first water-blocking tapes 5, protective jacket layers 8 are arranged at the outer layers of the single bodies 14, shielding layers 7 are arranged between the insulating layers 6 and the protective jacket layers 8, the outer layer of the cable 1 is a surface layer 13, an armor layer 12 is arranged at the inner side of the surface layer 13, a waterproof layer 10 is arranged at the inner layer of the armor layer 12, a second water-blocking tape 11 is arranged at the outer side of the waterproof layer 10, an intermediate layer 9 is arranged at the inner side of the waterproof layer 10, when water enters the cable 1 and permeates into the second water-blocking tape 11, water-blocking powder on the second water-blocking tape 11 expands to ten times or twenty times of the original water-blocking powder to block a leakage safety channel, prevent the further outdiffusion of infiltration and widen, and then reasonable maintenance cable, prevent the damage of whole cable, first water-blocking tape 5 on conductor 4 further promotes cable 1's waterproof performance, the security of cable 1 has been guaranteed, the superficial layer 13 of cable 1 adopts the polyurethane material simultaneously, the inlayer is provided with armor 12, the hardness and the wear resistance of cable 1 have been promoted, the outer shielding layer 7 of conductor 4 can effectively prevent signal interference, promote transmission efficiency.

The cable is characterized in that filling ropes 3 are filled between the single bodies 14 and the single bodies 14, the single bodies 14 and the framework 2, the insulating layer 6 is made of polyvinyl chloride, the shielding layer 7 is woven of copper and aluminum materials, the protective sheath layer 8 is made of polyvinyl chloride, the waterproof layer 10 is made of cross-linked polyethylene, the armor layer 12 is made of aluminum, and the surface layer 13 is made of polyurethane.

The working principle is as follows: when cable 1 intakes, moisture content permeates second water-blocking area 11 in the time, water-blocking powder on second water-blocking area 11 meets water inflation for original tens or twenty times, and then block up seepage safe passage, prevent that the infiltration from further outdiffusion and widening, and then reasonable maintenance cable, prevent the damage of whole cable, first water-blocking area 5 on the conductor 4 further promotes cable 1's waterproof performance, cable 1's security has been guaranteed, surface layer 13 of cable 1 adopts the polyurethane material simultaneously, the inlayer is provided with armor 12, the hardness and the wear resistance of cable 1 have been promoted, the outer shielding layer 7 of conductor 4 can effectively prevent signal interference, promote transmission efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (8)

1. A multicore coaxial waterproof cable, includes cable (1), its characterized in that: the cable is characterized in that a framework (2) is arranged at the center of the cable (1), five monomers (14) are arranged on the periphery of the framework (2), conductors (4) are arranged on the center of the monomers (14), first water-blocking tapes (5) are arranged on the periphery of the conductors (4), insulating layers (6) are arranged on the periphery of the first water-blocking tapes (5), protective sleeves (8) are arranged on the outer layers of the monomers (14), shielding layers (7) are arranged between the insulating layers (6) and the protective sleeves (8), the outer layer of the cable (1) is a surface layer (13), an armor layer (12) is arranged on the inner side of the surface layer (13), a waterproof layer (10) is arranged on the inner layer of the armor layer (12), a second water-blocking tape (11) is arranged on the outer side of the waterproof layer (10), and an intermediate layer (9) is arranged on the inner side of the waterproof layer (10).

2. The multi-core coaxial waterproof cable of claim 1, wherein: and filling ropes (3) are filled between the single bodies (14) and between the single bodies (14) and the framework (2).

3. The multi-core coaxial waterproof cable of claim 1, wherein: the insulating layer (6) is made of polyvinyl chloride.

4. The multi-core coaxial waterproof cable of claim 1, wherein: the shielding layer (7) is formed by weaving copper and aluminum materials.

5. The multi-core coaxial waterproof cable of claim 1, wherein: the material of the protective sheath layer (8) is polyvinyl chloride.

6. The multi-core coaxial waterproof cable of claim 1, wherein: the waterproof layer (10) is made of cross-linked polyethylene.

7. The multi-core coaxial waterproof cable of claim 1, wherein: the armor layer (12) is made of aluminum.

8. The multi-core coaxial waterproof cable of claim 1, wherein: the surface layer (13) is made of polyurethane.

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