CN223927110U - A type of coaxial cable with high tensile strength - Google Patents

Abstract

The utility model relates to the technical field of coaxial cables and discloses a cable coaxial line with strong stretch resistance, which comprises a cable body, wherein the outermost layer of the cable body is an armor layer. This cable coaxial line that stretch-proofing ability is strong, alloy copper stranded wire fuses high strength and pliability, fluorinated ethylene propylene sheath provides outstanding high temperature resistant, chemical corrosion and electrical property, possess low friction, ultraviolet resistance characteristic, ensure the reliability in moist and outdoor environment, and the burning is harmless, copper-clad steel weaving layer has combined copper's conductivity and the intensity of steel, realize high-efficient electromagnetic shield and mechanical protection, kevlar fiber woven reinforcing cable tensile strength and pliability, promote mechanical properties and keep the lightweight simultaneously, polyurethane outer sheath is wear-resisting, tear-resistant, adapt to extreme environment, environmental protection safety, the signal stability transmission is guaranteed to inside bearing structure, outside steel wire weaving layer increases stretch-proofing, resistance to compression and cutting resistance ability.

Description

Cable coaxial line with strong stretch-proofing capability

Technical Field

The utility model relates to the technical field of coaxial cables, in particular to a cable coaxial cable with strong stretch resistance.

Background

The coaxial cable is a wire and signal transmission line, and is generally made of four layers of materials, namely an inner conductive copper wire, a layer of plastic (used as an insulator and a dielectric medium) is enclosed outside the wire, a layer of thin net-shaped conductor (generally copper or alloy) is arranged outside the insulator, and then the insulating material on the outermost layer outside the conductor is used as a sheath.

Currently used coaxial cables generally comprise a solid conductor to transmit signals, however, such designs do not perform well in the face of strong tensile forces, and the tensile properties of a single solid wire are limited, and when subjected to large external forces, breakage tends to occur, which in turn leads to cable failure, and even in the event of incomplete breakage, excessive stretching may cause permanent deformation of the cable, which can negatively affect the electrical properties of the cable, for example, affecting its impedance matching and increasing signal attenuation.

Disclosure of utility model

The utility model aims to solve the technical problems that in the prior art, a single solid wire has limited tensile property and is easy to break when bearing a larger external force, and therefore, a cable coaxial wire with strong stretching resistance is provided.

In order to achieve the purpose, the cable coaxial line with the high stretch-proofing capability comprises a cable body, wherein the outermost layer of the cable body is an armor layer, an external protection layer is arranged in the armor layer, a stretch-proofing reinforcing layer is arranged in the external protection layer, an outer conductor shielding layer is arranged in the stretch-proofing reinforcing layer, an insulating layer is arranged in the outer conductor shielding layer, and a conductor main body is arranged in the insulating layer.

Preferably, the conductor body is an alloy copper clad steel and is a stranded wire.

Preferably, the insulating layer is made of fluorinated ethylene propylene.

Preferably, the outer conductor shielding layer is formed by high-density braiding of copper-clad steel.

Preferably, the stretch-proofing reinforced layer is woven by kevlar fibers.

Preferably, the outer protective layer is made of polyurethane, and a plurality of reinforcing ribs are embedded in the outer protective layer.

Preferably, the armor layer is woven from steel wires.

The utility model has the technical effects and advantages that:

According to the utility model, the alloy copper stranded wire is fused with high strength and flexibility, the fluorinated ethylene propylene sheath provides excellent high temperature resistance, chemical corrosion resistance and electrical performance, has low friction and ultraviolet resistance, ensures reliability in humid and outdoor environments, is harmless to combustion, combines the conductivity of copper and the strength of steel, realizes efficient electromagnetic shielding and mechanical protection, and has the advantages of enhancing the tensile strength and flexibility of a cable by Kevlar fiber braiding, improving the mechanical performance, simultaneously keeping light weight, resisting wear and tear of a polyurethane outer sheath, adapting to extreme environments, protecting environment and ensuring stable signal transmission by an inner supporting structure, and enhancing the stretching resistance, the compression resistance and the cutting resistance of an outer steel wire braiding layer.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of the layered structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

Fig. 4 is a front view of the present utility model.

The illustration is that 1, a conductor main body, 2, an insulating layer, 3, an outer conductor shielding layer, 4, a stretch-proofing reinforcing layer, 5, an outer protective layer, 6, reinforcing ribs, and 7, an armor layer.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and the preferred embodiments, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the cable coaxial line with strong stretch-proofing capability comprises a cable body, wherein the outermost layer of the cable body is an armor layer 7, an external protection layer 5 is arranged in the armor layer 7, a stretch-proofing reinforced layer 4 is arranged in the external protection layer 5, an external conductor shielding layer 3 is arranged in the stretch-proofing reinforced layer 4, an insulating layer 2 is arranged in the external conductor shielding layer 3, a conductor main body 1 is arranged in the insulating layer 2, the conductor main body 1 is alloy copper-clad steel and is a multi-stranded wire, the insulating layer 2 is made of fluorinated ethylene propylene, the external conductor shielding layer 3 is formed by high-density braiding of copper-clad steel, the stretch-proofing reinforced layer 4 is formed by braiding of Kevlar fibers, the external protection layer 5 is made of polyurethane, a plurality of reinforcing ribs 6 are embedded in the external protection layer 5, the armor layer 7 is formed by weaving steel wires, the stranded wires made of alloy copper combine excellent mechanical property and conductive property, have high stretching resistance and compression resistance, simultaneously maintain good flexibility and fatigue resistance, are particularly suitable for application scenes of frequent bending or moving, disperse stress of the stranded structures, reduce fracture risk and prolong service life, although the alloy element may slightly reduce the conductivity, the alloy element can still keep high conductivity after optimizing the formula, even improve the conductivity in certain alloys, ensure high-efficiency current transmission, in addition, the alloy copper has better thermal stability and corrosion resistance, can stably work for a long time in high temperature and severe environment, and is suitable for aerospace, The insulation layer 2 made of fluorinated ethylene propylene has excellent high temperature resistance, chemical corrosion resistance and excellent electrical performance, can stably work for a long time in extreme environments, has excellent flexibility and low friction coefficient, is convenient to install and bend, ensures the reliability of the cable in humid and outdoor environments due to low hygroscopicity and ultraviolet resistance, is halogen-free, does not release harmful gas during combustion, improves safety and environmental protection, is widely applied to the fields with extremely high requirements on performance and safety, such as aerospace, medical equipment, chemical industry and the like, and the outer conductor shielding layer 3 formed by weaving copper-clad steel at high density combines the excellent conductivity of copper and the high strength of steel, provides excellent electromagnetic shielding effect and mechanical protection, and not only effectively prevents external electromagnetic interference, ensures the stability and integrity of signal transmission, but also can remarkably enhance the stretch resistance, the tensile strength and the tensile strength of the cable, The compression resistance and wear resistance, the service life is prolonged, the high density braiding further improves the tightness and reliability of the shielding, the shielding layer 3 is suitable for applications needing to bear severe mechanical stress and severe environment, the outer conductor shielding layer 3 formed by the Kevlar fiber braiding has extremely high tensile strength and excellent flexibility, the mechanical property of the shielding layer can be obviously improved under the condition of not increasing the weight of the cable, the reinforced layer not only provides excellent cutting resistance and wear resistance protection, but also can effectively disperse stress, reduce damage caused by stretching or bending, prolong the service life of the cable, and the outer protective layer 5 made of polyurethane has excellent wear resistance, tear resistance and flexibility, can provide excellent mechanical protection under extreme environments, and is oil-resistant, and wear-resistant, The cable has the advantages of chemical corrosion resistance, ultraviolet resistance, effective resistance to the influence of moisture and low temperature, long-term stability under severe conditions, good processability, easy molding and installation, and excellent elasticity and rebound resilience, so that the cable is not easy to damage during bending and twisting. In addition, polyurethane protective layer is halogen-free, can not release harmful gas when burning, promoted security and feature of environmental protection, through set up special strengthening rib 6 in the cable inside, can not influence signal transmission, but can provide extra support when tensile, ensure that the overall structure of cable is not destroyed, the armor 7 that the steel wire woven into has high mechanical strength and wearability, can provide excellent stretch-proofing, resistance to compression and anti-cutting protection under extreme environment, this kind of structure not only effectively prevents outside physical damage, ensure the long-term stability of cable under the harsh condition, can also resist chemical corrosion and mechanical stress, extension cable life, the shielding effect has further been strengthened in the high density design of steel wire weaving layer, prevent electromagnetic interference.

The alloy copper stranded wire combines high strength and flexibility, is suitable for frequent moving scenes, the optimal formula of the alloy copper stranded wire maintains high conductivity, enhances thermal stability and corrosion resistance, the fluorinated ethylene propylene sheath provides excellent high temperature resistance, chemical corrosion resistance and electrical performance, has low friction and ultraviolet resistance, ensures reliability in moist and outdoor environments, is harmless during combustion, the copper-clad steel braiding layer fuses the conductivity of copper and the strength of steel, provides high-efficiency electromagnetic shielding and mechanical protection, the Kevlar fiber braiding further enhances the tensile strength and flexibility of the cable, increases the mechanical performance without increasing weight, the polyurethane outer sheath provides additional mechanical protection by the abrasion resistance, tearing resistance and extreme environment adaptation capability, is environment-friendly and safe, the support structure arranged inside ensures the stability of signal transmission, and the steel wire braiding layer arranged outside enhances the integral stretching resistance, compression resistance and cutting resistance capability, so that the cable is stable and reliable under severe conditions.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims (7)

1. The cable coaxial line with the high stretch-proofing capability comprises a cable body, wherein an armor layer (7) is arranged on the outermost layer of the cable body, and is characterized in that an external protection layer (5) is arranged in the armor layer (7), a stretch-proofing reinforcing layer (4) is arranged in the external protection layer (5), an outer conductor shielding layer (3) is arranged in the stretch-proofing reinforcing layer (4), an insulating layer (2) is arranged in the outer conductor shielding layer (3), and a conductor main body (1) is arranged in the insulating layer (2).

2. A cable coaxial line with high tensile strength according to claim 1, characterized in that the conductor body (1) is an alloy copper-clad steel and is a stranded wire.

3. A cable coaxial line with high tensile strength according to claim 1, wherein the insulating layer (2) is made of fluorinated ethylene propylene.

4. A coaxial cable with high tensile strength according to claim 1, wherein the outer conductor shield (3) is formed by high density braiding of copper-clad steel.

5. The coaxial cable with strong stretch-proofing capability according to claim 1, wherein the stretch-proofing reinforcing layer (4) is formed by weaving Kevlar fibers.

6. The cable coaxial line with strong stretching resistance as set forth in claim 1, wherein the outer protective layer (5) is made of polyurethane, and a plurality of reinforcing ribs (6) are embedded in the outer protective layer (5).

7. A coaxial cable with high tensile strength according to claim 1, wherein said armor layer (7) is woven from steel wire.