CN217214224U - FEP (fluorinated ethylene propylene) sheathed wire with tinned copper core and FEP (fluorinated ethylene propylene) insulated tinned round copper wire as shielding sheath - Google Patents

Abstract

The utility model discloses a FEP shield FEP sheath wire of a tinned copper core FEP insulation tinned round copper wire, which comprises a cable core, an outer bearing layer, a belting layer, a shielding layer, a tensile layer, a buffer layer and a sheath layer, wherein the outer bearing layer, the belting layer, the shielding layer, the tensile layer, the buffer layer and the sheath layer are sequentially coated outside the cable core; the cable core comprises a compression-resistant core, partition plates and a wire core, wherein the compression-resistant core is arranged in the middle of the cable core, the partition plates are uniformly arranged at the periphery of the compression-resistant core at intervals, and the wire core is arranged between every two adjacent partition plates; the sinle silk includes the conductor and cladding insulating layer and interior bearing layer outside the conductor in proper order, is provided with the filling layer between insulating layer and the interior bearing layer, and the interval is provided with spacing buffering arris in the filling layer, all is provided with between interior bearing layer and two adjacent baffles and between interior bearing layer and the outer bearing layer to support and connects the arris, and the clearance between sinle silk and outer bearing layer, baffle and the resistance to compression core is interior all to be filled with the buffering core. The utility model discloses it is poor to aim at solving among the prior art cable compressive property, yielding and damaged when the cable receives ambient pressure to cause the incident scheduling problem.

Description

FEP (fluorinated ethylene propylene) sheathed wire with tinned copper core and FEP insulated tinned round copper wire for shielding FEP

Technical Field

The utility model relates to the technical field of cables, especially, relate to a tinned copper core FEP insulation tinned round copper wire shielding FEP sheath electric wire.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and an insulating layer for connecting circuits, electric appliances, etc., wherein the cables having the insulating layer and the sheathing layer made of FEP material are widely used in the aerospace field due to the excellent properties of FEP material.

Among the prior art, the cable has possessed better fire prevention, it is waterproof, some performances such as high temperature resistant, however, the compressive capacity of cable still has the defect, the cable is laying and the in-process of use, external pressure can be received to difficult the avoiding, when the cable receives external force extrusion, the cable appears flattening easily, the damaged condition, and then lead to the inside sinle silk damage of cable, the fracture, cause the unable normal work of cable, short circuit phenomenon causes the incident even appears, therefore, need improve on the compressive capacity of cable inner structure, in order to improve the compressive capacity of cable.

To above technical problem, the utility model discloses a tinned copper core FEP insulation tinned round copper wire shielding FEP sheath electric wire, the utility model has the advantages of compressive property, the tensile property of improvement cable, the life of extension cable of improvement cable of the improvement cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a tinned copper core FEP insulation tinned round copper wire shielding FEP sheath electric wire to the compressive capacity of cable still has the defect among the solution prior art, when the cable received external force extrusion, the cable appeared flattening easily, the damaged condition, and then leaded to the cable inside sinle silk damaged, the fracture, caused the unable normal work of cable, technical problem such as short circuit causes the incident appears even, the utility model has the advantages of the compressive property of improvement cable, the tensile property of improvement cable, the life of extension cable.

The utility model discloses a following technical scheme realizes: the utility model discloses a FEP shield FEP sheath wire of a tinned copper core FEP insulation tinned round copper wire, which comprises a cable core, an outer bearing layer, a band layer, a shielding layer, a tensile layer, a buffer layer and a sheath layer, wherein the outer bearing layer, the band layer, the shielding layer, the tensile layer, the buffer layer and the sheath layer are sequentially coated outside the cable core;

the cable core comprises a compression-resistant core, partition plates and a wire core, wherein the compression-resistant core is arranged in the middle of the cable core, the partition plates are uniformly arranged on the periphery of the compression-resistant core at intervals, the inner ends of the partition plates are connected with the compression-resistant core, the outer ends of the partition plates are connected with an outer bearing layer, and the wire core is arranged between two adjacent partition plates;

the sinle silk includes the conductor and wraps insulating layer and interior bearing layer outside the conductor in proper order, the conductor is formed by the transposition of stranded tinned soft copper guide core, the insulating layer adopts FEP material to make, be provided with the filling layer between insulating layer and the interior bearing layer, the interval is provided with spacing buffering arris in the filling layer, all be provided with between interior bearing layer and two adjacent baffles and between interior bearing layer and the outer bearing layer and support the connection arris, it has the buffering core all to fill in the space between sinle silk and outer bearing layer, baffle and the resistance to compression core.

Preferably, in order to increase the contact area between the inner end and the outer end of the partition plate and the pressure-resistant core and the outer pressure-bearing layer, so as to increase the stress area and improve the pressure-bearing capacity, the inner end and the outer end of the partition plate are both provided with pressure-bearing parts, the inner ends of the pressure-bearing parts are equal to the width of the partition plate, and the width of the pressure-bearing parts is gradually increased from the inner ends to the outer ends of the pressure-bearing parts.

Preferably, in order to better absorb the pressure of the external force, the buffer layer comprises a circle of elastic buffer members which are closely adjacent to the periphery of the tensile layer, and the cross section of each elastic buffer member is in an X shape.

Preferably, in order to improve the buffering effect to external force, elastic buffer member, spacing buffering arris and buffering core all adopt TPE elastomer material to make.

Preferably, in order to improve the tensile property of the cable, a tensile core is embedded in the buffer core, and the tensile core is an aramid fiber rope.

Preferably, in order to improve the bearing performance of the cable, the outer bearing layer, the anti-pressure core, the partition plate, the support connecting edge and the inner bearing layer are made of polyurethane materials.

Preferably, in order to improve the tensile and chemical corrosion resistance of the cable, the wrapping layer is formed by wrapping a polytetrafluoroethylene tape.

Preferably, in order to improve the tensile property of the cable, the tensile layer is formed by weaving aramid fibers.

The utility model has the advantages of it is following:

(1) in the utility model, the inner part of the cable core is provided with the compression core and the baffle plate, the inner end and the outer end of the baffle plate are respectively connected with the compression core and the outer bearing layer, the wire core is arranged between two adjacent baffle plates through the supporting connecting rib, when the cable is stressed, the outer bearing layer, the baffle plate and the compression core bear the main pressure, meanwhile, the pressure can be buffered through the buffering core beside to reduce the pressure directly acting on the wire core, meanwhile, the outer part of the wire core is provided with the inner bearing layer, a spacing buffering edge is arranged between the inner bearing layer and the insulating layer, thereby improving the bearing capacity of the wire core, a buffering layer is also arranged between the tensile layer and the sheath layer, the buffering layer comprises a circle of elastic buffering component which is closely and adjacently arranged at the periphery of the tensile layer, the cross section of the elastic buffering component is in an X shape, thereby the deformation of the elastic buffering component in the buffering layer buffers the pressure for the first time, the cable core and the wire core inside the cable core are better protected, the pressure resistance of the cable is improved, and the service life of the cable is prolonged;

(2) the utility model discloses in, the inside of buffering core is provided with the tensile core, and the outside on outer bearing layer is provided with the band layer, and the outside on shielding layer is provided with the tensile layer to improve the tensile strength of cable, the cable is difficult to be dragged the fracture, has prolonged the life of cable.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of the wire core;

fig. 3 is an enlarged schematic view of a structure in fig. 1.

In the figure: 1. a cable core; 11. a compression resistant core; 12. a partition plate; 121. a pressure-bearing portion; 13. a wire core; 131. a conductor; 132. an insulating layer; 133. an inner pressure bearing layer; 2. an outer bearing layer; 3. a belting layer; 4. a shielding layer; 5. a tensile layer; 6. a buffer layer; 61. an elastic buffer member; 7. a sheath layer; 8. a filling layer; 81. limiting and buffering edges; 9. supporting the connecting edge; 10. a buffer core; 101. and (4) resisting a tensile core.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

Embodiment 1 discloses a tinned copper core FEP insulated tinned round copper wire shielded FEP sheathed wire, which comprises a cable core 1, and an outer pressure bearing layer 2, a belting layer 3, a shielding layer 4, a tensile layer 5, a buffer layer 6 and a sheath layer 7 which are sequentially coated outside the cable core 1, wherein the belting layer 3 is formed by wrapping a polytetrafluoroethylene tape, the shielding layer 4 is formed by weaving a tinned round copper wire, the tensile layer 5 is formed by weaving aramid fibers, and the sheath layer 7 is made of FEP materials;

as shown in fig. 1, the cable core 1 includes a compression-resistant core 11, a partition plate 12 and a wire core 13, the compression-resistant core 11 is disposed in the middle of the cable core 1, the partition plates 12 are uniformly disposed around the compression-resistant core 11 at intervals, the inner end of the partition plate 12 is connected to the compression-resistant core 11, the outer end of the partition plate 12 is connected to the outer compression-resistant layer 2, both the inner end and the outer end of the partition plate 12 are provided with a compression-resistant portion 121, the inner end of the compression-resistant portion 121 is equal to the width of the partition plate 12, the width of the compression-resistant portion 121 gradually increases from the inner end to the outer end thereof, and the wire core 13 is disposed between two adjacent partition plates 12;

as shown in fig. 2, the wire core 13 includes a conductor 131, and an insulating layer 132 and an inner pressure-bearing layer 133 which are sequentially coated outside the conductor 131, the conductor 131 is formed by twisting a plurality of strands of tin-plated soft copper guide cores, the insulating layer 132 is made of FEP (fluorinated ethylene propylene) material, a filling layer 8 is arranged between the insulating layer 132 and the inner pressure-bearing layer 133, spacing buffer ribs 81 are arranged at intervals in the filling layer 8, supporting connection ribs 9 are arranged between the inner pressure-bearing layer 133 and two adjacent partition plates 12 and between the inner pressure-bearing layer 133 and the outer pressure-bearing layer 2, the pressure-resistant core 11, the partition plates 12, the supporting connection ribs 9 and the inner pressure-bearing layer 133 are made of polyurethane material, the buffer cores 10 are filled in gaps between the wire core 13 and the outer pressure-bearing layer 2, the partition plates 12 and the pressure-resistant core 11, an anti-pulling core 101 is embedded inside the buffer core 10, and the anti-pulling core 101 is an aramid fiber rope.

As shown in fig. 1 and 3, the cushion layer 6 is a circle of elastic cushion members 61 arranged closely adjacent to the periphery of the tensile layer 5, the cross section of the elastic cushion member 61 is "X" shaped, and the elastic cushion member 61, the limiting cushion ribs 81 and the cushion core 10 are all made of TPE elastomer material.

The principle of the utility model is as follows: the utility model discloses a deformation of elastic buffer component 61 cushions external force for the first time in the buffer layer 6, outer bearing layer 2, baffle 12 and resistance to compression core 11 bear main pressure, and simultaneously, the buffer core 10 of packing can cushion pressure once more, with reduce the pressure of being used in on sinle silk 13, and simultaneously, sinle silk 13's outside still is provided with interior bearing layer 133, be provided with spacing buffering arris 81 between interior bearing layer 133 and the insulating layer 132, thereby, fine protection sinle silk 13 inside insulating layer 132 and insulating layer 132 inside conductor 131, it breaks to have reduced sinle silk 13, conductor 131 exposes the possibility, the compressive property of cable has been improved, when the cable under bearing great pressure, non-deformable and damaged, the life of cable has been postponed, and simultaneously, tensile core 101, tensile layer 5 and band layer 3's setting has improved the tensile property of cable.

Claims (8)

1. The FEP shielded electric wire with the tinned copper core and the FEP insulated tinned round copper wire is characterized by comprising a cable core, and an outer bearing layer, a belting layer, a shielding layer, a tensile layer, a buffer layer and a sheath layer which are sequentially coated outside the cable core, wherein the shielding layer is formed by weaving the tinned round copper wire, and the sheath layer is made of FEP materials;

the cable core comprises a compression-resistant core, partition plates and a wire core, wherein the compression-resistant core is arranged in the middle of the cable core, the partition plates are uniformly arranged at the periphery of the compression-resistant core at intervals, the inner ends of the partition plates are connected with the compression-resistant core, the outer ends of the partition plates are connected with the outer pressure-bearing layer, and the wire core is arranged between two adjacent partition plates;

the sinle silk includes the conductor and wraps in proper order insulating layer and interior bearing layer outside the conductor, the conductor is formed by the transposition of stranded tinned soft copper guide core, the insulating layer adopts FEP material to make, the insulating layer with be provided with the filling layer between the interior bearing layer, the interval is provided with spacing buffering arris in the filling layer, interior bearing layer and adjacent two between the baffle and interior bearing layer with all be provided with the support connection arris between the outer bearing layer, the sinle silk with outer bearing layer, baffle with it has the buffering core all to fill in the space between the anti-pressure core.

2. The FEP shielded round copper wire with tinned copper core and FEP insulation as claimed in claim 1, wherein the inner end and the outer end of the partition are provided with a bearing part, the inner end of the bearing part has the same width as the partition, and the width of the bearing part gradually increases from the inner end to the outer end of the bearing part.

3. The FEP shielded round tin plated wire as claimed in claim 1, wherein said buffer layer comprises a ring of elastic buffer member disposed closely adjacent to the outer periphery of said tensile layer, said elastic buffer member having an "X" shape in cross section.

4. The FEP insulated tinned round copper wire shielded FEP sheathed wire of claim 3 in which said resilient cushioning member, said position-defining cushioning rib and said cushioning core are made of TPE elastomer material.

5. The FEP insulated tinned round copper wire shielded FEP sheathed wire of claim 1, wherein the buffer core is internally embedded with a tensile core, and the tensile core is aramid fiber rope.

6. The FEP-insulated tinned round copper wire shielded FEP sheathed wire of claim 1, wherein the outer bearing layer, the crush core, the spacer, the support connecting rib and the inner bearing layer are made of polyurethane.

7. The FEP insulated tinned round copper wire shielded FEP sheathed wire of claim 1 in which the tape layer is wrapped with polytetrafluoroethylene tape.

8. The FEP insulated tinned round copper wire shielded FEP sheathed wire of claim 1 in which the tensile layer is woven from aramid fiber.

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