Coating cable with high mechanical property

Abstract

The utility model relates to the technical field of cables, in particular to a high-mechanical-property coated cable, which comprises a cable core group, a cable core wrapping layer is wrapped on the outer wall of the cable core group, a first insulating layer is arranged on the outer wall of the cable core wrapping layer, a second insulating part is wrapped on the outer wall of the first insulating layer, and a third insulating part is arranged on the outer wall of the second insulating layer. According to the utility model, through the cooperation of the first insulating layer, the insulating layer and the polyethylene film layer, the overall insulating performance of the cable can be improved, and through the cooperation of the insulating layer, the wire core layer and the braid layer, the tensile performance and other performance of the cable can be improved. And the wear resistance of the cable can be improved through the arranged outer sheath layer, so that the overall mechanical performance of the cable is improved, and the cable can be used in more outdoor environments.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a high-mechanical coated cable. Background Art

[0002] Cable is an electrical transmission system consisting of one or more insulated conductors for transmitting power, signals or data. Cables are usually composed of conductors, insulation layers, shielding layers, fillers, sheaths, etc. Different types of cables are suitable for different applications, such as power systems, communication networks, data transmission, etc.

[0003] For cables used for outdoor communications, the environmental impact they are subjected to outdoors is often greater than that when used indoors. When used outdoors, there is a greater demand for the wear resistance and insulation performance of the cables. However, most existing cables directly protect the wire core through an insulating rubber layer, and their mechanical properties are often insufficient. Therefore, existing cables have certain deficiencies.

[0004] In summary, it is necessary to invent a highly mechanically coated cable. Utility Model Content

[0005] To this end, the utility model provides a high mechanical coated cable to solve the problem that the existing cables mostly directly protect the wire core through the insulating rubber layer and their mechanical properties are mostly insufficient.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high mechanical coated cable, comprising a core group, the outer wall of the core group is wrapped with a core wrapping layer, the outer wall of the core wrapping layer is provided with a first insulating layer, the outer wall of the first insulating layer is wrapped with a second insulating component, and the outer side of the second insulating component is provided with an outer protective outer sheath layer.

[0007] Preferably, the inner wall of the first insulating layer is fixed to the outer wall of the wire core wrapping layer, and a braided layer is fixed to the outer wall of the first insulating layer, and the thickness of the braided layer is smaller than the thickness of the first insulating layer.

[0008] Preferably, the second insulating component is a second insulating layer b, the inner wall of the second insulating layer b is fixed to the outer wall of the braided layer, the outer wall of the second insulating layer b is fixed with a polyethylene film layer, and the thickness of the second insulating layer b is greater than the thickness of the polyethylene film layer.

[0009] Preferably, the outer wall of the second insulating layer b is provided with a plurality of slots, the inner walls of the slots are fixed with a wire core layer b, and the plurality of wire core layers b are evenly arranged in a ring array.

[0010] Preferably, the inner wall of the outer sheath layer is fixed to the outer wall of the polyethylene film layer, and the side ends of the outer wall of the outer sheath layer are provided with concave grooves.

[0011] Preferably, the second insulating component is a second insulating layer a, the inner wall of the second insulating layer a is fixed to the outer wall of the braided layer, and the thickness of the second insulating layer a is greater than the thickness of the braided layer.

[0012] Preferably, the outer wall of the second insulating layer a is provided with a plurality of slots, the inner walls of the slots are fixed with a wire core layer a, and the plurality of wire core layers a are evenly arranged in a ring array.

[0013] The beneficial effects of the utility model are:

[0014] In the utility model, the overall insulation performance of the cable can be improved through the cooperation of the first insulating layer, the insulating layer and the polyethylene film layer, the tensile strength and other properties of the cable can be improved through the cooperation of the insulating layer, the core layer and the braided layer, and the wear resistance of the cable can be improved by setting the outer sheath layer, thereby improving the overall mechanical properties of the cable and enabling it to be used in more outdoor environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the cross-sectional structure of the first embodiment of the utility model;

[0016] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the outer sheath layer of the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the second embodiment of the utility model;

[0019] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure at point B.

[0020] In the figure: 100, wire core group; 110, wire core wrapping layer; 200, first insulating layer; 210, braided layer; 300, second insulating layer a; 310, wire core layer a; 400, polyethylene film layer; 500, outer sheath layer; 600, second insulating layer b; 610, wire core layer b. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0022] Embodiment 1:

[0023] See attached Figure 1-3The utility model provides a high mechanical coated cable, including a core group 100, the outer wall of the core group 100 is wrapped with a core wrapping layer 110, the core wrapping layer 110 is mainly used to fix the core group 100, and the material of the core wrapping layer 110 can be selected from rubber, the outer wall of the core wrapping layer 110 is provided with a first insulating layer 200, the inner wall of the first insulating layer 200 is fixed to the outer wall of the core wrapping layer 110, and the material of the first insulating layer 200 can be selected from polyvinyl chloride, and the selected polyvinyl chloride has good corrosion resistance, can resist corrosion from chemicals, grease, acid and alkali, etc., and also has good insulation performance, can effectively prevent current leakage and short circuit, and ensure the safe and reliable operation of the cable, the first insulating layer 200 A braided layer 210 is fixed on the outer wall, and the thickness of the braided layer 210 is smaller than the thickness of the first insulating layer 200. The material of the braided layer 210 can be selected from nylon fiber or glass fiber. Nylon fiber has excellent wear resistance and tensile resistance, and is suitable for improving the durability of the cable, while glass fiber has high strength and heat resistance, and is suitable for enhancing the mechanical properties of the cable. The outer wall of the first insulating layer 200 is wrapped with a second insulating component, and the second insulating component is a second insulating layer b600. The inner wall of the second insulating layer b600 is fixed to the outer wall of the braided layer 210, and the material of the second insulating layer b600 can be selected from cross-linked polyethylene, and the cross-linked polyethylene layer has high heat resistance, and can maintain stable electrical properties in high temperature environments, and is suitable for The cable is used in high temperature working environment, and has excellent electrical insulation performance, high mechanical strength and tensile strength. It can not only prevent current leakage and short circuit, but also resist external stress and extrusion, and protect the conductor and insulation layer inside the cable. The outer wall of the second insulating layer b600 is fixed with a polyethylene film layer 400. The thickness of the second insulating layer b600 is greater than the thickness of the polyethylene film layer 400. The polyethylene film layer 400 can be made of polyethylene film, and the polyethylene film is a film material made of polyethylene material, which has excellent insulation, chemical corrosion resistance and moisture resistance, so as to provide better protection for the core group 100. The outer wall of the second insulating layer b600 is provided with a plurality of slots, and the inner walls of the slots are A wire core layer b610 is fixed, and multiple wire core layers b610 are evenly arranged in a circular array. The wire core layer b610 can be made of a thin rope woven with polyester fibers, which can improve the overall tensile strength of the cable. An outer protective outer sheath layer 500 is arranged on the outside of the second insulating component. The inner wall of the outer sheath layer 500 is fixed to the outer wall of the polyethylene film layer 400. Concave grooves are provided on the side ends of the outer walls of the outer sheath layer 500. The outer sheath layer 500 is the outer protective layer of the cable, which is mainly used for waterproofing, fireproofing, and wear resistance. It is usually made of polyvinyl chloride (PVC), polyethylene (PE), polyvinyl chloride (LSZH) and other materials. The concave groove is provided to prevent the outermost side of the outer sheath layer 500 from contacting the environment.This can indirectly improve the wear resistance of the outer side of the outer sheath layer 500.

[0024] The use process of the utility model is as follows: a person skilled in the art can first wrap the wire core wrapping layer 110 on the outer side of the wire core group 100 in advance, then fix the first insulating layer 200 on the outer wall of the wire core wrapping layer 110 by hot pressing, and then weave the braided layer 210 on the outer side of the first insulating layer 200, and then heat press the second insulating layer b600 with the fixed wire core layer b610 on the outer wall of the first insulating layer 200 to wrap the braided layer 210, and then use a laminating device to coat the outer side of the second insulating layer b600. The wall is wrapped with a layer of polyethylene film layer 400, and then the outer sheath layer 500 is fixed to the outer wall of the polyethylene film layer 400 by bonding. In the utility model, the overall insulation performance of the cable can be improved through the cooperation of the first insulating layer 200, the second insulating layer b600 and the polyethylene film layer 400, and the tensile strength and other properties of the cable can be improved through the cooperation of the second insulating layer b600, the core layer b610 and the braided layer 210, and the wear resistance of the cable can be improved by setting the outer sheath layer 500.

[0025] Embodiment 2:

[0026] Reference Figure 3-5 Compared with the first embodiment, the present embodiment is different in that the second insulating component is a second insulating layer a300, the inner wall of the second insulating layer a300 is fixed to the outer wall of the braided layer 210, and the thickness of the second insulating layer a300 is greater than the thickness of the braided layer 210. Specifically, the second insulating layer a300 can be made of cross-linked polyethylene silicone rubber, and the cross-linked polyethylene silicone rubber material has excellent high temperature resistance, chemical corrosion and aging resistance. The outer wall of the second insulating layer a300 is provided with a plurality of slots, and the inner walls of the slots are fixed with a wire core layer a310. The plurality of wire core layers a310 are uniformly arranged in a ring array, and the wire core layer a310 can be made of metal wire, and the direct size of the metal wire is 0.5-2mm, which can improve the overall tensile strength of the cable.

[0027] The use process of the utility model is as follows: a person skilled in the art can first wrap the wire core wrapping layer 110 on the outer side of the wire core group 100 in advance, then fix the first insulating layer 200 on one side of the outer wall of the wire core wrapping layer 110 by hot pressing, and then weave the braided layer 210 on the outer side of the first insulating layer 200, and then heat press the second insulating layer a300 with the fixed wire core layer a310 on the outer wall of the first insulating layer 200 to wrap the braided layer 210, and then use a laminating device to coat the outer side of the second insulating layer a300. The wall is wrapped with a layer of polyethylene film layer 400, and then the outer sheath layer 500 is fixed to the outer wall of the polyethylene film layer 400 by bonding. In the utility model, the overall insulation performance of the cable can be improved through the cooperation of the first insulating layer 200, the second insulating layer a300 and the polyethylene film layer 400, and the tensile strength and other properties of the cable can be improved through the cooperation of the second insulating layer a300, the core layer a310 and the braided layer 210, and the wear resistance of the cable can be improved by setting the outer sheath layer 500.

[0028] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A high mechanical coating cable, comprising a core group (100), wherein the outer wall of the core group (100) is wrapped with a core wrapping layer (110), characterized in that: The outer wall of the wire core wrapping layer (110) is provided with a first insulating layer (200), the outer wall of the first insulating layer (200) is wrapped with a second insulating component, the inner wall of the first insulating layer (200) is fixed to the outer wall of the wire core wrapping layer (110), the outer wall of the first insulating layer (200) is fixed with a braided layer (210), the thickness of the braided layer (210) is smaller than the thickness of the first insulating layer (200), the second insulating component is a second insulating layer b (600), the inner wall of the second insulating layer b (600) is fixed to the outer wall of the braided layer (210), the outer wall of the second insulating layer b (600) is fixed with a polyethylene film layer (400), the thickness of the second insulating layer b (600) is larger than the thickness of the polyethylene film layer (400), and an outer protective outer sheath layer (500) is provided on the outer side of the second insulating component.

2. A high mechanical property coated cable according to claim 1, characterized in that: The outer wall of the second insulating layer b (600) is provided with a plurality of slots, the inner walls of the slots are fixed with wire core layers b (610), and the plurality of wire core layers b (610) are evenly arranged in a ring array.

3. A high mechanical property coated cable according to claim 2, characterized in that: The inner wall of the outer sheath layer (500) is fixed to the outer wall of the polyethylene film layer (400), and the side ends of the outer wall of the outer sheath layer (500) are provided with concave grooves.

4. The high mechanical property coated cable according to claim 1, characterized in that: The second insulating component is a second insulating layer a (300), the inner wall of the second insulating layer a (300) is fixed to the outer wall of the braided layer (210), and the thickness of the second insulating layer a (300) is greater than the thickness of the braided layer (210).

5. A high mechanical property coated cable according to claim 4, characterized in that: The outer wall of the second insulating layer a (300) is provided with a plurality of slots, the inner walls of the slots are fixed with a wire core layer a (310), and the plurality of wire core layers a (310) are evenly arranged in a ring array.

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