CN213303730U

CN213303730U - Heat-resistant light polyvinyl chloride sheath flexible wire

Info

Publication number: CN213303730U
Application number: CN202022292709.7U
Authority: CN
Inventors: 周永顺
Original assignee: Tongxiang Xinyihong Electric Co ltd
Current assignee: Tongxiang Xinyihong Electric Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-05-28
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a heat-resisting light-duty polyvinyl chloride sheath patchcord, including oversheath, inner sheath and insulating layer, the draw-in groove has been seted up in the oversheath outside, the inside cover of oversheath is equipped with the inner sheath, the inside cover of inner sheath is equipped with the copper core line, copper core line outside cover is equipped with the insulating sheath, it has thermal-insulated fibre to fill between insulating sheath and the inner sheath, the veneer has the enhancement layer in the inner sheath outside, the veneer has the insulating layer between enhancement layer and the oversheath, the centre gripping has the structural ring between enhancement layer and the insulating layer. The utility model discloses heat resistance is good, and its toughness is good, has the function of alleviating the impact force, and whole light in weight is fit for being extensively promoted and used simultaneously.

Description

Heat-resistant light polyvinyl chloride sheath flexible wire

Technical Field

The utility model relates to a sheath patchcord technical field, in particular to heat-resisting light-duty polyvinyl chloride sheath patchcord.

Background

The sheath flexible wire can be actually understood as two or three parallel electric wires, the electric wires originally have insulating rubber, and the sheath is formed by wrapping a layer of rubber on the outer surfaces of the three or two parallel electric wires.

Patent number CN 201821521293.8's publication a heat-resisting light-duty polyvinyl chloride sheath patchcord, the utility model discloses a parcel of TPE sticky tape plays the tight hoop effect to the structure of TPE sticky tape inner circle, can improve the mechanical properties of cable, the glass fiber area has good heat resistance, insulating nature and mechanical strength, both can improve the fire resistance and can improve the mechanical strength of cable, insulating nature, the water blocking area has good water-proof effects, avoid water to advance to cause the condition of damage in the cable, the setting up of fire prevention area has further improved fire resistance, the further insulating of reinforcing cable of polyvinyl chloride sheath, corrosion resisting property, the cable of being convenient for uses in water.

The heat-resistant light polyvinyl chloride sheath flexible wire has the following defects: 1. the protection performance is poor, when the flexible cable is impacted, the internal copper core wire is easy to deform and damage, 2, the protective layer is more, the overall structure is heavier, and therefore the heat-resistant light polyvinyl chloride sheath flexible cable is provided.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a heat-resisting light-duty polyvinyl chloride sheath patchcord can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heat-resisting light-duty polyvinyl chloride sheath patchcord, includes oversheath, inner sheath and insulating layer, the draw-in groove has been seted up in the oversheath outside, the inside cover of oversheath is equipped with the inner sheath, the inside cover of inner sheath is equipped with the copper conductor, copper conductor outside cover is equipped with the insulating sheath, it has thermal-insulated fibre to fill between insulating sheath and the inner sheath, the veneer in the inner sheath outside has the enhancement layer, the veneer has the insulating layer between enhancement layer and the oversheath, the centre gripping has the structural ring between enhancement layer and the insulating layer.

Furthermore, the number of the clamping grooves and the copper core wires is multiple, and the heat insulation fibers are made of ceramic fiber materials.

Furthermore, the inner surface of the outer sheath is provided with a first arc-shaped groove, the outer surface of the heat insulation layer is provided with a second arc-shaped groove, and the number of the second arc-shaped groove and the number of the first arc-shaped grooves are multiple.

Further, the outer sheath is made of polyvinyl chloride materials, the structural rings are made of butyl rubber materials, and the number of the structural rings is multiple.

Furthermore, the reinforcing layer is made of a steel wire mesh material, and the heat insulation layer is made of a glass wool material.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through setting up the oversheath, enhancement layer and structure ring, the oversheath that polyvinyl chloride material was made, the wholeness can be good, can effectively protect inside inner sheath, copper conductor etc. a plurality of draw-in grooves in the oversheath outside can improve the wear resistance of oversheath, the enhancement layer is made to the wire net material, can improve the toughness of this sheath patchcord, the structure ring is made to a plurality of butyl rubber materials, can play the effect of alleviating the impact force, enhancement layer and structure ring can effectively protect the copper conductor.

2. Through setting up insulating layer and thermal-insulated fibre, the insulating layer that the cotton material of glass made, the thermal-insulated fibre that ceramic fiber material made, the coefficient of thermal conductivity is low, and heat resistance is good, can effectively improve the heat resistance of this sheath patchcord, a plurality of No. two arc walls of inner sheath surface and a plurality of arc walls of oversheath internal surface, under the condition that does not influence oversheath and inner sheath structural strength, alleviate the weight of this sheath patchcord.

Drawings

Fig. 1 is a schematic view of the whole structure of a flexible wire of a heat-resistant light-weight polyvinyl chloride sheath of the present invention.

Fig. 2 is a schematic view of the internal structure of a flexible wire of a heat-resistant light-weight polyvinyl chloride sheath of the present invention.

In the figure: 1. an outer sheath; 2. an inner sheath; 3. a thermal insulation layer; 4. a card slot; 5. a copper core wire; 6. an insulating sleeve; 7. a thermal insulating fiber; 8. a reinforcing layer; 9. a structural ring; 10. a first arc-shaped groove; 11. and a second arc-shaped groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, a heat-resisting light-duty polyvinyl chloride sheath patchcord, includes oversheath 1, inner sheath 2 and insulating layer 3, draw-in groove 4 has been seted up in the oversheath 1 outside, the inside cover of oversheath 1 is equipped with inner sheath 2, the inside cover of inner sheath 2 is equipped with copper core 5, the cover of copper core 5 outside is equipped with insulating sheath 6, it has thermal-insulated fibre 7 to fill between insulating sheath 6 and the inner sheath 2, the 2 outside plys of inner sheath have enhancement layer 8, the plys have insulating layer 3 between enhancement layer 8 and the oversheath 1, centre gripping has structural ring 9 between enhancement layer 8 and the insulating layer 3.

The number of the clamping grooves 4 and the number of the copper core wires 5 are multiple, and the heat insulation fibers 7 are made of ceramic fiber materials.

In this embodiment, as shown in fig. 1 and 2, the plurality of notches 4 can improve the wear resistance of the outer jacket 1, and the heat-resistant property of the sheath cord can be improved by the heat-insulating fibers 7 made of the ceramic fiber material.

The inner surface of the outer sheath 1 is provided with a first arc-shaped groove 10, the outer surface of the heat insulation layer 3 is provided with a second arc-shaped groove 11, and the number of the second arc-shaped grooves 11 and the number of the first arc-shaped grooves 10 are multiple.

In this embodiment, as shown in fig. 2, the plurality of second arc-shaped grooves 11 on the outer surface of the inner sheath 2 and the plurality of first arc-shaped grooves 10 on the inner surface of the outer sheath 1 reduce the weight of the sheath cord without affecting the structural strength of the outer sheath 1 and the inner sheath 2.

The outer sheath 1 is made of polyvinyl chloride materials, the structural rings 9 are made of butyl rubber materials, and the number of the structural rings 9 is multiple.

In the embodiment, as shown in fig. 2, the outer sheath 1 made of polyvinyl chloride material has strong overall performance, and the structural ring 9 made of butyl rubber material has good elasticity and can relieve external impact force.

The reinforcing layer 8 is made of a steel wire mesh material, and the heat insulation layer 3 is made of a glass wool material.

In this embodiment, as shown in fig. 1, the reinforcing layer 8 made of a steel wire mesh material can improve the toughness of the sheath cord, and the heat-resistant property of the sheath cord can be improved by the heat-insulating layer 3 made of a glass wool material.

It should be noted that the utility model relates to a heat-resistant light-duty polyvinyl chloride sheath flexible wire, during operation, the oversheath 1 made of polyvinyl chloride material, the wholeness can be good, can effectively protect the inner sheath 2, the copper core wire 5, etc. the wear resistance of the oversheath 1 can be improved by a plurality of clamping grooves 4 outside the oversheath 1, the reinforcing layer 8 made of steel wire mesh material can improve the toughness of the sheath flexible wire, the structural ring 9 made of a plurality of butyl rubber materials can play the role of relieving impact force, the reinforcing layer 8 and the structural ring 9 can effectively protect the copper core wire 5, the heat-insulating layer 3 made of glass wool material, the heat-insulating fiber 7 made of ceramic fiber material, the heat conductivity coefficient is low, the heat resistance is good, can effectively improve the heat resistance of the sheath flexible wire, a plurality of arc grooves 11 on the outer surface of the inner sheath 2, and a plurality of arc grooves 10 on the inner surface of the oversheath 1, the weight of the sheath cord is reduced without affecting the structural strength of the outer sheath 1 and the inner sheath 2.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a heat-resisting light-duty polyvinyl chloride sheath patchcord, includes oversheath (1), inner sheath (2) and insulating layer (3), its characterized in that: draw-in groove (4) have been seted up in oversheath (1) outside, the inside cover of oversheath (1) is equipped with inner sheath (2), the inside cover of inner sheath (2) is equipped with copper core (5), copper core (5) outside cover is equipped with insulating sheath (6), it has thermal-insulated fibre (7) to fill between insulating sheath (6) and inner sheath (2), inner sheath (2) outside veneer has enhancement layer (8), the veneer has insulating layer (3) between enhancement layer (8) and oversheath (1), centre gripping has structural ring (9) between enhancement layer (8) and insulating layer (3).

2. A heat-resistant light-weight polyvinyl chloride sheath cord as claimed in claim 1, wherein: the number of the clamping grooves (4) and the number of the copper core wires (5) are multiple, and the heat insulation fibers (7) are made of ceramic fiber materials.

3. A heat-resistant light-weight polyvinyl chloride sheath cord as claimed in claim 1, wherein: the inner surface of the outer sheath (1) is provided with a first arc-shaped groove (10), the outer surface of the heat insulation layer (3) is provided with a second arc-shaped groove (11), and the number of the second arc-shaped grooves (11) and the number of the first arc-shaped grooves (10) are multiple.

4. A heat-resistant light-weight polyvinyl chloride sheath cord as claimed in claim 1, wherein: the outer sheath (1) is made of polyvinyl chloride materials, the structural rings (9) are made of butyl rubber materials, and the number of the structural rings (9) is multiple.

5. A heat-resistant light-weight polyvinyl chloride sheath cord as claimed in claim 1, wherein: the reinforced layer (8) is made of a steel wire mesh material, and the heat insulation layer (3) is made of a glass wool material.