CN211507169U

CN211507169U - Bending-resistant electric wire and cable

Info

Publication number: CN211507169U
Application number: CN202020063101.4U
Authority: CN
Inventors: 王成彬; 李明; 华小芳
Original assignee: SHANGHAI SHENYUAN HI-TEMP WIRE CO LTD
Current assignee: SHANGHAI SHENYUAN HI-TEMP WIRE CO LTD
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-15
Anticipated expiration: 2030-01-13

Abstract

The utility model provides a resistant wire and cable that buckles which characterized in that: it includes conductor sinle silk (1), the outer cladding of conductor sinle silk (1) has insulating layer (2), and a plurality of claddings are provided with filling layer (3) between conductor sinle silk (1) of insulating layer (2), and the cladding is outside at insulating layer (2) around covering (4), the outside cladding has shielding layer (5) around covering (4), shielding layer (5) cover has oversheath (6). The wire and cable is resistant to bending and pulling and long in service life.

Description

Bending-resistant electric wire and cable

Technical Field

The utility model belongs to the wire and cable field specifically says so and relates to a resistant wire and cable of buckling.

Background

The wire and cable industry is an important matching industry for economic construction and is widely applied to various fields of national economy. In recent years, with the continuous and rapid development of economy and the advance of urbanization, the wire and cable industry keeps a higher growth speed, and the requirements of wires and cables are continuously increased. At present, with the increase of electrical equipment, some small-section electric wires and cables are required to be used, and a conductor is generally composed of a plurality of thin monofilaments, but because the electric wires and cables are not resistant to bending and poor in mechanical performance, the conductor is easy to break in places requiring uninterrupted reciprocating motion, and the electric wires and cables are low in bending resistance and tensile performance, short in service life and high in cost.

SUMMERY OF THE UTILITY MODEL

The novel purpose is to provide a bending-resistant wire and cable aiming at the technical defects of poor mechanical property, easy breakage of a conductor and poor tensile property of the wire of the conventional wire and cable, and the wire and cable is bending-resistant, tensile-resistant and long in service life.

Technical scheme

In order to realize the technical purpose, the utility model provides a pair of resistant wire and cable of buckling, its characterized in that: it includes the conductor sinle silk, the outer cladding of conductor sinle silk has the insulating layer, is provided with the filling layer between the conductor sinle silk of a plurality of claddings insulating layer, and the cladding is outside at the insulating layer around the covering, the outside cladding of covering has the shielding layer, the shielding layer cover has the oversheath.

Furthermore, the inner layer of the conductor wire core is a plurality of strands of copper foil wires, aramid fibers are filled in the middle of the plurality of strands of copper foil wires, and the outer layers of the plurality of strands of copper foil wires are stranded with tinned copper wires.

Furthermore, the insulating layer is fluoroplastic or silicon rubber, and the thickness of the insulating layer is 0.15-1.5 mm.

Further, the filling layer is aramid fiber.

Further, the wrapping layer is a polyester tape or a polytetrafluoroethylene tape, and the thickness of the wrapping layer is 0.01-0.2 mm.

Furthermore, the shielding layer is formed by weaving copper foil wires.

Further, the outer sheath is fluoroplastic or silicone rubber.

Advantageous effects

The utility model provides a bending-resistant electric wire and cable, wherein the copper foil wire is good in flexibility and bending-resistant, and the aramid fiber wire has good flexibility, high strength, high wear resistance and tear resistance, so that the bending resistance and the tensile breaking resistance of the electric wire and cable are improved; fluoroplastic or silicon rubber materials are adopted for insulation, so that the high-temperature resistance is good; the filling adopts aramid fiber, and the aramid fiber has excellent tensile breaking resistance, so that the rounding tightness of the electric wire and the electric cable can be ensured, the bending resistance and the mechanical strength of the electric wire and the electric cable are further improved, and the service life of the electric wire and the electric cable can be prolonged; the braided shield also adopts copper foil wires, so that the bending resistance and tensile strength of the wire and cable are enhanced, and the effect of shielding electromagnetic interference can be achieved; the sheath is made of fluoroplastic or silicon rubber material, and has good mechanical property and high temperature resistance. The insulation and the sheath are made of high-temperature resistant materials, so that the normal work of the wire and the cable at high temperature can be ensured. The utility model discloses an above structure for wire and cable has good resistant bending property and tensile strength, has improved wire and cable's mechanical strength, has improved wire and cable's life, has avoided wire and cable on some electrical equipment because the conductor often breaks, need frequently change wire and cable's problem, has practiced thrift use and maintenance cost.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in the attached figure 1, a bending-resistant electric wire and cable is characterized in that: it includes conductor sinle silk 1, the outer cladding of conductor sinle silk 1 has insulating layer 2, and a plurality of claddings have between the conductor sinle silk 1 of insulating layer 2 to be provided with filling layer 3, and the cladding is outside at insulating layer 2 around covering 4, 4 outside claddings of covering have

shielding layer

5, 5 covers of shielding layer have oversheath 6.

The inner layer of the conductor wire core 1 is a plurality of strands of copper foil wires 101, aramid fibers 102 are filled in the middle of the plurality of strands of copper foil wires 101, and tinned copper wires 103 are stranded on the outer layers of the plurality of strands of copper foil wires 101.

The insulating layer 2 is fluoroplastic or silicon rubber, and the thickness of the insulating layer 2 is 0.15-1.5 mm.

The filling layer 3 is aramid fiber.

The wrapping layer 4 is a polyester tape or a polytetrafluoroethylene tape, and the thickness of the wrapping layer 4 is 0.01-0.2 mm.

The shielding layer 5 is formed by weaving copper foil wires.

The outer sheath 6 is made of fluoroplastic or silicon rubber.

This embodiment can improve wire and cable's mechanical properties, and the oxidation resistance at the tinned copper wire is good, and long service life prefers to select for use as wire and cable's conductor. Even if the copper wire layer breaks during the use, the copper wire layer also can normally be switched on, has greatly prolonged the life of wire rod, the copper line outside is equipped with the insulating layer, the insulating layer material is fluoroplastics or silicon rubber. Fluoroplastic is selected in the embodiment, and the fluoroplastic is high in insulation resistance, high temperature resistant and excellent in aging resistance. Carry out the stranding after insulating extrusion, fill aramid fiber line in the centre during the stranding, can further promote resistant degree of buckling and mechanical strength of wire rod, extension wire and cable's life. The wrapping layer is wrapped outside the insulating layer after cabling, the wire and cable can be stable in structure through tight wrapping, and the insulation is protected from being damaged. The embodiment adopts the tetrafluoro belt around the covering, and its mechanical strength is high, and temperature resistant grade is high, can protect insulating not damaged. The shielding is carried out outside the wrapping layer, the shielding layer adopts the copper foil wire, so that the bending resistance and the tensile strength of the electric wire and cable are enhanced, the electromagnetic interference shielding effect can be achieved, the outer portion of the weaving layer is coated with the outer sheath, the outer sheath is made of fluoroplastic, the fluoroplastic is excellent in chemical resistance, and the mechanical property is good.

The structure, proportion, size, quantity, etc. shown in the attached drawings of the embodiment of the present invention are only used for matching with the contents disclosed in the specification, so as to be known and read by people familiar with the art, not for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and the modification of any structure, the change of proportion relation or the adjustment of size should still fall within the range that the technical contents can be covered without affecting the function that the present invention can produce and the purpose that can be achieved. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "clockwise", "counterclockwise", etc. used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered to be the scope of the present invention without substantial changes in the technical content.

Claims

1. The utility model provides a resistant wire and cable that buckles which characterized in that: the cable comprises conductor wire cores (1), wherein the conductor wire cores (1) are coated with insulating layers (2), a filling layer (3) is arranged between the plurality of conductor wire cores (1) coated with the insulating layers (2), the wrapping layer (4) is coated outside the insulating layers (2), a shielding layer (5) is coated outside the wrapping layer (4), and an outer sheath (6) is sleeved on the shielding layer (5);

the inner layer of the conductor wire core (1) is a plurality of strands of copper foil wires (101), aramid fibers (102) are filled in the middle of the plurality of strands of copper foil wires (101), and tinned copper wires (103) are stranded on the outer layers of the plurality of strands of copper foil wires (101).

2. A bend-resistant electrical wire cable as recited in claim 1, wherein: the insulating layer (2) is fluoroplastic or silicon rubber, and the thickness of the insulating layer (2) is 0.15-1.5 mm.

3. A bend-resistant electrical wire cable as recited in claim 1, wherein: the filling layer (3) is made of aramid fiber.

4. A bend-resistant electrical wire cable as recited in claim 1, wherein: the wrapping layer (4) is a polyester tape or a PTFE tape, and the thickness of the wrapping layer (4) is 0.01-0.2 mm.

5. A bend-resistant electrical wire cable as recited in claim 1, wherein: the shielding layer (5) is formed by weaving copper foil wires.

6. A bend-resistant electrical wire cable as recited in claim 1, wherein: the outer sheath (6) is made of fluoroplastic or silicon rubber.