Cable coaxial line with high tensile strength

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, and the outermost layer of the cable body is an armor layer. According to the cable with the high tensile resistance, the coaxial lines and the alloy copper multi-strand stranded wires are fused with high strength and flexibility, the fluorinated ethylene propylene sheath provides excellent high temperature resistance, chemical corrosion resistance and electrical performance, the cable has the characteristics of low friction and ultraviolet resistance, the reliability in a humid and outdoor environment is ensured, and the cable is harmless to burn and has a good application prospect. The copper-clad steel braid layer combines the conductivity of copper and the strength of steel, efficient electromagnetic shielding and mechanical protection are achieved, Kevlar fiber braid enhances the tensile strength and flexibility of the cable, mechanical performance is improved, light weight is kept at the same time, the polyurethane outer sheath is resistant to abrasion and tear, adapts to extreme environments and is environmentally friendly and safe, an internal supporting structure guarantees stable signal transmission, and the service life of the cable is prolonged. And the outer steel wire braided layer improves the tensile resistance, compression resistance and cutting resistance.

Description

TECHNICAL FIELD

[0001] The utility model relates to coaxial cable technical field especially relates to a cable coaxial line of strong tensile capacity. BACKGROUND

[0002] Coaxial cable is a kind of wire and signal transmission line, generally is caused by four layers of material: the innermost is a conductive copper wire, the outside of wire has a layer of plastic (as insulator, dielectric) surround, and the insulator is outside a thin mesh conductive body (generally copper or alloy), then the conductive body is the outermost insulating material as the outer skin.

[0003] The coaxial cable currently used generally contains a solid conductor to transmit signals, however, this design performs poorly in the face of strong tension, the tensile property of single solid conductor is limited, when bearing larger external force, it is easy to break, and then lead to cable failure, even in the case of not completely broken, excessive stretching can cause permanent deformation of the cable, which will have a negative impact on the electrical performance of the cable, such as affecting its impedance matching and increasing signal attenuation. SUMMARY

[0004] The technical problem to be solved by the utility model is that the tensile property of single solid conductor is limited in the prior art, when bearing larger external force, it is easy to break, therefore, we provide a cable coaxial line of strong tensile resistance.

[0005] In order to achieve the above purpose, the following technical scheme is adopted in the present application: a cable coaxial line of strong tensile resistance, comprising a cable body, the outermost layer of the cable body is an armor layer, the inside of the armor layer is provided with an external protective layer, the inside of the external protective layer is provided with a tensile strengthening layer, the inside of the tensile strengthening layer is provided with an outer conductor shielding layer, the inside of the outer conductor shielding layer is provided with an insulating layer, and the inside of the insulating layer is provided with a conductor main body.

[0006] Preferably, the conductor main body is alloy copper clad steel and is a plurality of stranded wires.

[0007] Preferably, the insulating layer is made of fluorinated ethylene propylene.

[0008] Preferably, the outer conductor shielding layer is made of copper clad steel high-density braiding.

[0009] Preferably, the tensile strengthening layer is made of Kevlar fiber braiding.

[0010] Preferably, the external protective layer is made of polyurethane, and a plurality of reinforcing ribs are embedded in the inside of the external protective layer.

[0011] Preferably, the armor layer is made of steel wire braiding.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] In the utility model, alloy copper multi-strand stranded wire fuses high strength and flexibility, fluorinated ethylene propylene sheath provides excellent high temperature resistance, chemical corrosion and electrical performance, has low friction, ultraviolet resistance characteristics, ensures reliability in humid and outdoor environments, and is harmless to burn, copper-clad steel braided layer combines the conductivity of copper and the strength of steel, realizes efficient electromagnetic shielding and mechanical protection, Kevlar fiber braided reinforced cable tensile strength and flexibility, improve mechanical properties while maintaining lightweight, polyurethane outer protective layer is wear-resistant and tear-resistant, suitable for extreme environments, environmentally friendly and safe, internal support structure ensures stable signal transmission, and external steel wire braid layer increases tensile, compression and cutting resistance. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structure schematic drawing of the utility model;

[0015] Figure 2 It is a layered structure schematic drawing of the utility model;

[0016] Figure 3 It is a sectional structure schematic drawing of the utility model;

[0017] Figure 4 It is a front view of the utility model.

[0018] Legend: 1, conductor main body; 2, insulating layer; 3, outer conductor shielding layer; 4, tensile strength reinforcing layer; 5, outer protective layer; 6, reinforcing rib; 7, armored layer. DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail in combination with the drawings and preferred embodiments, these drawings are all simplified schematic drawings, only in the schematic way the basic structure of the utility model is shown, therefore it only shows the structure related to the utility model.

[0020] Refer to Figures 1-4The utility model provides a kind of technical scheme shown: a kind of cable coaxial line with strong tensile capacity, including cable body, the outermost layer of cable body is armored layer 7, armored layer 7 is provided with outer protective layer 5 inside, outer protective layer 5 is provided with tensile reinforcement layer 4 inside, tensile reinforcement layer 4 is provided with outer conductor shielding layer 3 inside, outer conductor shielding layer 3 is provided with insulating layer 2 inside, insulating layer 2 is provided with conductor main body 1 inside, conductor main body 1 is alloy copper clad steel and is multiple stranded wire, insulating layer 2 is made of fluorinated ethylene propylene, outer conductor shielding layer 3 is made of copper clad steel high-density weaving, tensile reinforcement layer 4 is made of Kevlar fiber weaving, outer protective layer 5 is made of polyurethane, multiple reinforcing bars 6 are embedded in the inside of outer protective layer 5, armored layer 7 is made of steel wire weaving, multiple stranded wire made of alloy copper combines excellent mechanical properties and conductive characteristics, with high tensile and compression resistance, while maintaining good flexibility and fatigue resistance, especially suitable for frequent bending or moving application scenarios, multiple stranded structure disperses stress, reduces the risk of fracture, prolongs service life, although alloy elements can slightly reduce conductivity, but still can maintain high conductivity after optimizing formula, even in some alloys, improve conductivity, ensure efficient current transmission, in addition, alloy copper also has better thermal stability and corrosion resistance, can work stably in high temperature and harsh environment for a long time, suitable for aerospace, robot cable, high-frequency communication and other high-demand fields, the insulating layer 2 made of fluorinated ethylene propylene has excellent high-temperature resistance, chemical corrosion resistance and excellent electrical performance, can work stably in extreme environment for a long time, also has excellent flexibility and low friction coefficient, easy to install and bend, while its low moisture absorption and ultraviolet resistance ensure the reliability of the cable in humid and outdoor environments, in addition, FEP material is halogen-free, and will not release harmful gases when burning, improving safety and environmental protection, widely used in aerospace, medical equipment, chemical industry and other fields with extremely high performance and safety requirements, the outer conductor shielding layer 3 made of copper clad steel high-density weaving combines the excellent conductivity of copper and the high strength of steel, providing excellent electromagnetic shielding effect and mechanical protection, this structure not only effectively prevents external electromagnetic interference, ensures the stability and integrity of signal transmission, but also significantly enhances the tensile, compression and wear resistance of the cable, prolongs the service life, high-density weaving further improves the airtightness and reliability of shielding, suitable for applications that need to withstand severe mechanical stress and harsh environments, the outer conductor shielding layer 3 woven from Kevlar fiber has extremely high tensile strength and excellent flexibility, which can significantly improve the mechanical properties of the cable without increasing its weight, this reinforcement layer not only provides excellent cut resistance and wear resistance protection, but also effectively disperses stress, reduces damage caused by stretching or bending, prolongs the service life of the cable, the outer protective layer 5 made of polyurethane has excellent wear resistance, tear resistance and flexibility, which can provide excellent mechanical protection in extreme environments, it is not only oil-resistant, chemical-resistant and ultraviolet-resistant, but also effectively resists moisture and low temperature,The polyurethane material also has good processing performance, is easy to form and install, and excellent elasticity and resilience of the polyurethane protective layer make the cable not easy to be damaged when bending and twisting. In addition, the polyurethane protective layer is halogen-free and will not release harmful gases when burning, improving safety and environmental protection. By arranging the special reinforcing rib 6 inside the cable, the signal transmission will not be affected, but additional support can be provided when stretching to ensure that the overall structure of the cable is not damaged. The armor layer 7 formed by steel wire braiding has extremely high mechanical strength and wear resistance, and can provide excellent tensile, compression and cutting resistance protection in extreme environments. This structure not only effectively prevents external physical damage and ensures the long-term stability of the cable in harsh conditions, but also resists chemical corrosion and mechanical stress, prolonging the service life of the cable. The high-density design of the steel wire braiding layer further enhances the shielding effect to prevent electromagnetic interference.

[0021] Working principle: The alloy copper multi-strand wire combines high strength and flexibility, suitable for frequent movement scenes, and its optimized formula maintains high electrical conductivity and enhances thermal stability and corrosion resistance. The fluorinated ethylene propylene sheath provides excellent high temperature resistance, chemical corrosion resistance and electrical performance, with low friction and ultraviolet resistance, ensuring reliability in wet and outdoor environments, and is harmless when burned. The copper-clad steel braided layer combines the electrical conductivity of copper and the strength of steel, providing efficient electromagnetic shielding and mechanical protection. The Kevlar fiber braid further enhances the tensile strength and flexibility of the cable, increasing mechanical performance without increasing weight. The polyurethane outer protective layer provides additional mechanical protection with its wear resistance, tear resistance and ability to withstand extreme environments, and is environmentally friendly and safe. The internal support structure ensures the stability of signal transmission, and the external steel wire braided layer enhances the overall tensile, compression and cutting resistance, making the cable stable and reliable in harsh conditions.

[0022] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0023] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A cable coaxial line with high tensile strength, comprising a cable body, the outermost layer of which is an armour layer (7), characterised in that; The inside of the armor layer (7) is provided with an outer protective layer (5), the inside of the outer protective layer (5) is provided with a tensile strength reinforcing layer (4), the inside of the tensile strength reinforcing layer (4) is provided with an outer conductor shielding layer (3), the inside of the outer conductor shielding layer (3) is provided with an insulation layer (2), and the inside of the insulation layer (2) is provided with a conductor main body (1).

2. A tensile strength enhanced cable coaxial line according to claim 1, characterized in that: The conductor main body (1) is alloy copper clad steel and is a plurality of stranded wires.

3. A tensile strength enhanced cable coaxial line according to claim 1, characterized in that: The insulation layer (2) is made of fluorinated ethylene propylene.

4. A tensile strength enhanced cable coaxial line according to claim 1, characterized in that: The outer conductor shielding layer (3) is made of copper clad steel high-density braiding.

5. A tensile strength enhanced cable coaxial line according to claim 1, characterized in that: The tensile strength reinforcing layer (4) is made of Kevlar fiber braiding.

6. A tensile strength enhanced cable coaxial line according to claim 1, characterized in that: The outer protective layer (5) is made of polyurethane, and a plurality of reinforcing ribs (6) are embedded in the inside of the outer protective layer (5).

7. A tensile strength enhanced cable coaxial line according to claim 1, characterized in that: The armor layer (7) is made of steel wire braiding.

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