CN218447292U

CN218447292U - Wear-resisting tensile type power cord

Info

Publication number: CN218447292U
Application number: CN202222753384.7U
Authority: CN
Inventors: 彭华; 万翔; 杨芳
Original assignee: Shenzhen Yangzi Power Supply Co ltd
Current assignee: Shenzhen Yangzi Power Supply Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-02-03
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a wear-resisting tensile type power cord, including sinle silk, interior lag, outer lag and anti-cutting line cover, the outside cladding of sinle silk has interior lag, and the outside cladding of interior lag has outer lag, the outside cladding of outer lag has anti-cutting line cover, outer lag includes soft glue layer, asbestos layer and ethylene propylene diene monomer rubber cover, and the outside on soft glue layer is provided with the asbestos layer, the outside on asbestos layer is provided with the ethylene propylene diene monomer rubber cover. This wear-resisting tensile type power cord, the setting up of soft glue film has improved the shock resistance and the insulating properties of power cord, the asbestos layer makes the power cord have fire prevention fire-retardant function, thereby reduce certain potential safety hazard, ethylene propylene diene monomer rubber sleeve has better cold resistance, still can keep good elasticity under high and cold weather, wearability and bending property, make the whole not only wear-resisting but also difficult embrittlement of power cord, the anti-cutting line cover adopts aramid fiber material to weave, the holistic pull resistance of power cord has been strengthened when resistant cutting.

Description

Wear-resisting tensile type power cord

Technical Field

The utility model relates to a power cord technical field specifically is wear-resisting tensile type power cord.

Background

The power line is a wire for transmitting current, the common current transmission mode is point-to-point transmission, the power line can be divided into an AC power line and a DC power line according to the purpose, the AC power line is a wire rod for passing AC with higher voltage, the wire rod can be formally produced by a safety certification party which needs to obtain a uniform standard due to higher voltage, and the DC wire basically passes DC with lower voltage, so the safety requirement is not strict with the AC wire, but the countries still need uniform safety certification for safety.

As in application No.: CN202022181783.1, the present invention discloses a power line, which includes at least two power supply lines and an insulating outer cover covering the at least two power supply lines, wherein, the outer cover of the insulating layer of the at least two power supply lines is covered with a shielding layer, and the outer cover of the shielding layer of at least one of the at least two power supply lines is provided with another insulating layer for isolating the shielding layer of each of the at least two power supply lines from each other. The utility model discloses a set up the insulating layer again outside the shielding layer for shielding layer between each current-carrying line keeps mutual independence, is convenient for realize the monitoring to current-carrying line leakage current through the shielding layer.

A power cord similar to that of the above application currently suffers from the following disadvantages:

the outer wear resistance of a power line in the market is poor in use, and meanwhile, the power line is easy to be cut and damaged by people, so that the normal use of the power line is easy to influence.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting tensile type power cord to solve the power cord in use outside wearability on the market that proposes among the above-mentioned background art relatively poor, easily suffer artificial cutting simultaneously and destroy, thereby easily influence the problem of the normal use of power cord.

In order to achieve the above object, the utility model provides a following technical scheme: wear-resisting tensile type power cord, including sinle silk, interior lag, outer lag and anti-cutting line cover, the outside cladding of sinle silk has interior lag, and the outside cladding of interior lag has outer lag, the outside cladding of outer lag has anti-cutting line cover, outer lag includes soft glue layer, asbestos layer and ethylene propylene diene monomer cover, and the outside on flexible glue layer is provided with the asbestos layer, the outside on asbestos layer is provided with the ethylene propylene diene monomer cover.

Furthermore, the soft adhesive layer is attached to the asbestos layer, and the asbestos layer is bonded to the ethylene propylene diene monomer sleeve.

Further, the sinle silk includes wire and the fine layer of glass, and the outside packing of wire has the fine layer of glass.

Furthermore, the wire core and the inner protecting sleeve are glued, and the inner protecting sleeve and the outer protecting sleeve are attached to each other.

Furthermore, the inner protection sleeve comprises a PVC sheath, a heat insulation sleeve and a resin waterproof layer, the heat insulation sleeve is arranged outside the PVC sheath, and the resin waterproof layer is arranged outside the heat insulation sleeve.

Furthermore, the PVC sheath is bonded with the heat-insulating sleeve, and the heat-insulating sleeve is glued with the resin waterproof layer.

Furthermore, the outer protection sleeve is sleeved with the anti-cutting wire sleeve, and the outer protection sleeve and the anti-cutting wire sleeve are tightly attached.

Compared with the prior art, the beneficial effects of the utility model are that: this wear-resisting tensile type power cord, the setting up of soft glue film has improved the shock resistance and the insulating properties of power cord, the asbestos layer makes the power cord have fire prevention fire-retardant function, thereby reduce certain potential safety hazard, ethylene-propylene-diene monomer rubber sleeve has better cold resistance, still can keep good elasticity under the high and cold weather, wearability and bending property, make the whole not only wear-resisting but also difficult embrittlement of power cord, the anti-cutting line cover adopts the aramid fiber material to weave, strengthened the holistic pull resistance of power cord in the time of resistant cutting.

Through the setting of sinle silk and interior lag, the sinle silk is formed by three strands of wires and the combination of the fine layer of glass jointly, the mechanical strength on the fine layer of glass is high, the elastic coefficient is high, consequently, better toughness has, can avoid the power cord fracture of buckling, the PVC sheath wraps up the sinle silk, improve the inside compactedness of sinle silk, the heat preservation radiation shield has reduced the adverse effect that outside temperature produced the sinle silk, the sinle silk is avoided with the contact of outside moisture in the setting of resin waterproof layer, reduce the emergence of infiltration electric leakage phenomenon.

Through the setting of outer lag and anti-cutting line cover, the setting of soft glue film has improved the shock resistance and the insulating properties of power cord, the asbestos layer makes the power cord have fire prevention fire-retardant function, thereby reduce certain potential safety hazard, ethylene propylene diene monomer rubber sleeve has better cold resistance, still can keep good elasticity under high and cold weather, wearability and bending property, make the whole not only wear-resisting but also difficult embrittlement of power cord, anti-cutting line cover adopts the aramid fiber material to weave, strengthened the holistic tensile resistance of power cord when resistant cutting.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

fig. 2 is a schematic view of the interior front view structure of the inner protective cover of the present invention;

fig. 3 is a schematic view of the inside front view structure of the outer protective cover of the present invention.

In the figure: 1. a wire core; 101. a wire; 102. a glass fiber layer; 2. an inner protective sleeve; 201. a PVC sheath; 202. a heat insulation sleeve; 203. a resin waterproof layer; 3. an outer protective sleeve; 301. a soft adhesive layer; 302. an asbestos layer; 303. ethylene propylene diene monomer rubber sleeve; 4. anti-cutting wire cover.

Detailed Description

As shown in fig. 1-2, the wearable and tensile power cord includes: sinle silk 1, sinle silk 1's outside cladding has interior lag 2, and the outside cladding of interior lag 2 has exterior lag 3, the outside cladding of exterior lag 3 has anti-cutting line cover 4, sinle silk 1 includes wire 101 and fine layer 102 of glass, and the outside packing of wire 101 has fine layer 102 of glass, glue mutually between sinle silk 1 and the interior lag 2, and laminate mutually between interior lag 2 and the exterior lag 3, sinle silk 1 is formed by three-strand wire 101 and fine layer 102 combination jointly, fine layer 102's mechanical strength is high, the elastic coefficient is high, therefore has better toughness, can avoid the power cord fracture of buckling, interior lag 2 includes PVC sheath 201, heat preservation heat insulating sleeve 202 and resin waterproof layer 203, and PVC sheath 201's outside is provided with heat preservation heat insulating sleeve 202, heat insulating sleeve 202's outside is provided with resin waterproof layer 203, bond mutually between PVC sheath 201 and the heat preservation heat insulating sleeve 202, and glue mutually between heat insulating sleeve 202 and the resin waterproof layer 203, PVC sheath 201 wraps up sinle silk 1, improve the inside compactness of sinle silk 1, heat insulating sleeve 202 has reduced the outside temperature and has reduced the unfavorable phenomenon of leaking water of sinle silk and has avoided the resin waterproof layer 1 to take place the phenomenon of the electric leakage of heat insulating sleeve 1.

As shown in fig. 3, the wear-resistant tensile power line, the outer protection cover 3 includes a soft rubber layer 301, an asbestos layer 302 and an ethylene propylene diene monomer rubber sleeve 303, the outer side of the soft rubber layer 301 is provided with the asbestos layer 302, the outer side of the asbestos layer 302 is provided with the ethylene propylene diene monomer rubber sleeve 303, the soft rubber layer 301 is attached to the asbestos layer 302, the asbestos layer 302 is attached to the ethylene propylene diene monomer rubber sleeve 303, the anti-cutting wire sleeve 4 is sleeved outside the outer protection cover 3, the outer protection cover 3 is closely attached to the anti-cutting wire sleeve 4, the anti-seismic capacity and the insulating performance of the power line are improved by the soft rubber layer 301, the asbestos layer 302 enables the power line to have a fireproof and flame-retardant function, so that certain potential safety hazards are reduced, the ethylene propylene diene monomer rubber sleeve 303 has good cold resistance, good elasticity, wear resistance and bending performance can be maintained under high-cold weather, so that the whole power line is wear-resistant and not prone to embrittlement, the anti-cutting wire sleeve 4 is woven by aramid fiber, and the tensile resistance of the whole power line is enhanced.

To sum up, this wear-resisting tensile type power cord, at first sinle silk 1 is formed by three-strand wire 101 and the fine layer 102 combination of glass together, fine layer 102's of glass mechanical strength is high, the elastic coefficient is high, therefore have better toughness, can avoid the power cord to buckle and split, PVC sheath 201 wraps up sinle silk 1, improve the inside compactedness of sinle silk 1, heat preservation radiation shield 202 has reduced the adverse effect that outside temperature produced sinle silk 1, the setting of resin waterproof layer 203 avoids sinle silk 1 and outside moisture contact, reduce the emergence of infiltration electric leakage phenomenon, the setting of flexible glue layer 301 has improved the shock resistance and the insulating properties of power cord, asbestos layer 302 makes the power cord have fire prevention fire-retardant function, thereby reduce certain potential safety hazard, ethylene propylene diene monomer rubber cover 303 has better cold resistance, still can keep good elasticity, wear resistance and bending property under high and cold climate, make the whole not only brittle of power cord, anti-cutting line cover 4 adopts aramid fiber to weave, the holistic tensile resistance of power cord has been strengthened when cutting.

Claims

1. Wear-resisting tensile type power cord, including sinle silk (1), interior lag (2), outer lag (3) and anti-cutting line cover (4), its characterized in that: the outside cladding of sinle silk (1) has interior lag (2), and the outside cladding of interior lag (2) has outer lag (3), the outside cladding of outer lag (3) has anti-cutting line cover (4), outer lag (3) are including soft glue layer (301), asbestos layer (302) and ethylene propylene diene monomer cover (303), and the outside of soft glue layer (301) is provided with asbestos layer (302), the outside of asbestos layer (302) is provided with ethylene propylene diene monomer cover (303).

2. The abrasion-resistant and tensile-resistant power cord according to claim 1, wherein: the soft adhesive layer (301) is attached to the asbestos layer (302), and the asbestos layer (302) is bonded to the ethylene propylene diene monomer rubber sleeve (303).

3. The abrasion-resistant and tensile-resistant power cord according to claim 1, wherein: the cable core (1) comprises a wire (101) and a glass fiber layer (102), and the glass fiber layer (102) is filled outside the wire (101).

4. The abrasion-resistant and tensile-resistant power cord according to claim 1, wherein: the cable core (1) and the inner protective sleeve (2) are glued together, and the inner protective sleeve (2) and the outer protective sleeve (3) are attached together.

5. The abrasion-resistant and tensile-resistant power cord according to claim 1, wherein: the inner protection sleeve (2) comprises a PVC sheath (201), a heat insulation sleeve (202) and a resin waterproof layer (203), the heat insulation sleeve (202) is arranged outside the PVC sheath (201), and the resin waterproof layer (203) is arranged outside the heat insulation sleeve (202).

6. The abrasion-resistant and tensile-resistant power cord according to claim 5, wherein: the PVC sheath (201) is bonded with the heat-insulating sleeve (202), and the heat-insulating sleeve (202) is bonded with the resin waterproof layer (203).

7. The abrasion-resistant and tensile-resistant power cord according to claim 1, wherein: the anti-cutting wire sleeve (4) is sleeved outside the outer protective sleeve (3), and the outer protective sleeve (3) is tightly attached to the anti-cutting wire sleeve (4).