CN213303691U

CN213303691U - Bending-resistant electric wire for outdoor laying

Info

Publication number: CN213303691U
Application number: CN202022390453.3U
Authority: CN
Inventors: 李云兵
Original assignee: Liaoning Suli Wire And Cable Co ltd
Current assignee: Liaoning Suli Wire And Cable Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-05-28
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a resistant electric wire that bends for open air is laid, including copper core wire, enhancement layer, steel band armor, oversheath, wear-resisting arch and snap ring, the copper core wire skin is provided with the mica tape, and the mica tape skin is provided with the insulating layer, the insulating layer sets up inside the enhancement layer, and is provided with the filler between insulating layer and the enhancement layer to be provided with the enhancement core in the middle of the enhancement layer, the oversheath surface is provided with wear-resisting arch, and is provided with the snap ring outside the oversheath to the draw-in groove has been seted up in the middle of the snap ring. This a resistant electric wire that bends for outdoor laying is provided with enhancement layer and enhancement core, and in the in-service use in-process, through the cooperation between enhancement layer and the enhancement core for at the bending process, the enhancement core bears main bending stress, thereby reduces the bending strain that the insulating layer in the inside copper core wire outside received, avoids breaking at the bending process insulating layer, has increased the device's practicality.

Description

Bending-resistant electric wire for outdoor laying

Technical Field

The utility model relates to an electric wire technical field specifically is a resistant electric wire that bends for outdoor laying.

Background

The electric wire is a connecting wire which is mainly used for connecting an electric appliance and a power supply and transmitting the electric energy in the power supply to the electric appliance, along with the development of the modern society, in work and life, the electric power brings great convenience to people, so that the life style of people changes day by day, in the process of transmitting the electric power, the proper electric wire not only can reduce the loss in the process of transmitting the electric power, but also can ensure the safety in the process of transmitting the electric power, especially in the environment with multiple outdoor changes, the requirement on the electric wire is higher and higher, when the electric wire is laid outdoors, the electric wire is influenced by the geographic environment, sometimes the electric wire needs to be bent, and most of the existing electric wires are influenced by the material of the electric wire, so that the surface damage can occur, and the danger of electric leakage and even breakage can be caused.

We have therefore proposed a flex-resistant electrical wire for outdoor laying in order to solve the above mentioned problem of the danger that most of the wires may suffer surface breakage when bent, leading to electrical leakage and even breakage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistant electric wire that bends for outdoor laying to solve the electric wire on the existing market that above-mentioned background art provided and probably appear surface damage when the bending, lead to electric leakage or even cracked dangerous problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistant electric wire that bends for open air is laid, includes copper core wire, enhancement layer, steel band armor, oversheath, wear-resisting arch and snap ring, copper core wire skin is provided with the mica tape, and the mica tape skin is provided with the insulating layer, the insulating layer sets up inside the enhancement layer, and is provided with the filler between insulating layer and the enhancement layer to be provided with the enhancement core in the middle of the enhancement layer, the enhancement layer outside is provided with the waterproof layer, and installs the inner sheath in the waterproof layer outside, the inner sheath outside is provided with the steel band armor, and installs the oversheath in the steel band armor outside, the oversheath surface is provided with wear-resisting arch, and the oversheath outside is provided with.

Preferably, the number of the copper core wires is 7, and 7 strands of the copper core wires are arranged in a strand for every 7 copper core wires, and the copper core wires are distributed in a circular array.

Preferably, the outer side of the copper core wire is fixedly connected with the mica tape, and the center line of the copper core wire and the center line of the insulating layer are overlapped.

Preferably, the central line of the reinforcing layer is parallel to the central line of the reinforcing core, and the central line of the reinforcing layer is coincident with the central line of the waterproof layer.

Preferably, the outer side of the inner sheath is fixedly connected with the steel-tape armor, the steel-tape armor is cylindrical, and the center line of the inner sheath coincides with the center line of the steel-tape armor.

Preferably, the wear-resistant protrusions are uniformly distributed on the outer surface of the outer sheath, and the center line of the outer sheath and the center line of the inner sheath are overlapped.

Preferably, the central line of the clamping groove is parallel to the central line of the outer sheath, and the diameter of the clamping groove is equal to the outer diameter of the outer sheath.

Compared with the prior art, the beneficial effects of the utility model are that: the bending-resistant electric wire for outdoor laying;

1. the reinforcing layer and the reinforcing core are arranged, and in the actual use process, the reinforcing core bears main bending stress through the matching between the reinforcing layer and the reinforcing core, so that the bending strain borne by the insulating layer outside the copper core wire inside is reduced, the insulating layer is prevented from cracking in the bending process, and the practicability of the device is improved;

2. be provided with wear-resisting arch and draw-in groove, in the in-service use, wear-resisting arch can reduce the wearing and tearing of outer shield, improves the life of electric wire, and the draw-in groove is favorable to the position between the fixed electric wire at the wiring in-process simultaneously, and regularity when keeping the wiring to in the future maintenance has increased the device's functionality.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic view of the left side of the utility model;

FIG. 3 is a schematic view of the connection structure of the copper core wire and the shielding layer of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a copper core wire; 2. mica tapes; 3. an insulating layer; 4. a shielding layer; 5. a filler; 6. a reinforcing layer; 7. a reinforcing core; 8. a waterproof layer; 9. an inner sheath; 10. steel tape armoring; 11. an outer sheath; 12. wear-resistant protrusions; 13. a snap ring; 14. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a bending-resistant electric wire for outdoor laying comprises a copper core wire 1, a mica tape 2, an insulating layer 3, a shielding layer 4, a filler 5, a reinforcing layer 6, a reinforcing core 7, a waterproof layer 8, an inner sheath 9, a steel tape armor 10, an outer sheath 11, a wear-resistant bulge 12, a clamping ring 13 and a clamping groove 14, wherein the mica tape 2 is arranged on the outer layer of the copper core wire 1, the insulating layer 3 is arranged on the outer layer of the mica tape 2, the insulating layer 3 is arranged inside the reinforcing layer 6, the filler 5 is arranged between the insulating layer 3 and the reinforcing layer 6, the reinforcing core 7 is arranged in the middle of the reinforcing layer 6, the waterproof layer 8 is arranged on the outer side of the reinforcing layer 6, the inner sheath 9 is arranged on the outer side of the waterproof layer 8, the steel tape armor 10 is arranged on the outer side of the inner sheath 9, the outer sheath 11, and a clamping groove 14 is arranged in the middle of the clamping ring 13.

Copper core wire 1 is provided with 7, and 1 every 7 one-tenth strands of copper core wire are provided with 7 shares altogether to copper core wire 1 is circular array and distributes, and above-mentioned structural design is in the in-service use in-process, is favorable to improving the efficiency of electric wire transmission electric energy.

The outside of the copper core wire 1 is fixedly connected with the mica tape 2, and the central line of the copper core wire 1 and the central line of the insulating layer 3 are mutually overlapped.

The central line of the reinforcing layer 6 is parallel to the central line of the reinforcing core 7, and the central line of the reinforcing layer 6 coincides with the central line of the waterproof layer 8.

The outside and the steel strip armor 10 mutual fixed connection of inner sheath 9, and steel strip armor 10 is cylindrically to the central line of inner sheath 9 and the mutual coincidence of the central line of steel strip armor 10, above-mentioned structural design, in the in-service use process, through steel strip armor 10 protection inside waterproof layer 8 not destroyed by the fish tail, steel strip armor 10 can bear very big impact force simultaneously, increases the intensity of electric wire.

The wear-resistant protrusions 12 are evenly distributed on the outer surface of the outer sheath 11, the center line of the outer sheath 11 and the center line of the inner sheath 9 coincide with each other, and due to the structural design, in the actual use process, the wear-resistant protrusions 12 on the surface of the outer sheath 11 are beneficial to improving the wear-resistant strength of the electric wire in the outdoor use process, and the service life is prolonged.

The central line of the clamping groove 14 is parallel to the central line of the outer sheath 11, the diameter of the clamping groove 14 is equal to the outer diameter of the outer sheath 11, and the two electric wires can be mutually fixed through the clamping groove 14 in the actual use process due to the structural design, so that the regularity in wiring is improved.

The working principle is as follows: when the bending-resistant electric wire for outdoor laying is used, as shown in fig. 1 and 3, firstly, each copper core wire 1 is insulated by an insulating layer 3, the safety in use is improved, every 7 copper core wires 1 are bundled into one strand by a shielding layer 4, the strength between the copper core wires 1 is improved by circular array arrangement between 7 strands, as shown in fig. 2 and 4, the bending strength and the impact strength of the electric wire are improved by a reinforcing layer 6 and a steel tape armor 10, the wear resistance is improved by a wear-resistant bulge 12, and two electric wires can be mutually fixed by a clamping groove 14 during wiring, the line regularity is improved, and a series of work is completed.

It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a resistant electric wire that bends for outdoor laying, includes copper core wire (1), enhancement layer (6), steel band armor (10), oversheath (11), wear-resisting arch (12) and snap ring (13), its characterized in that: copper core wire (1) skin is provided with mica tape (2), and mica tape (2) skin is provided with insulating layer (3), insulating layer (3) set up inside enhancement layer (6), and is provided with filler (5) between insulating layer (3) and enhancement layer (6) to be provided with enhancement core (7) in the middle of enhancement layer (6), the enhancement layer (6) outside is provided with waterproof layer (8), and installs inner sheath (9) in waterproof layer (8) outside, the inner sheath (9) outside is provided with steel band armor (10), and installs oversheath (11) in the armor steel band (10) outside, oversheath (11) surface is provided with wear-resisting arch (12), and the oversheath (11) outside is provided with snap ring (13) to draw-in groove (14) have been seted up in the middle of snap ring (13).

2. A bend-resistant electrical wire for outdoor applications according to claim 1, wherein: the number of the copper core wires (1) is 7, 7 strands of the copper core wires (1) are arranged on every 7 strands, and the copper core wires (1) are distributed in a circular array.

3. A bend-resistant electrical wire for outdoor applications according to claim 1, wherein: the outer side of the copper core wire (1) is fixedly connected with the mica tape (2), the central line of the copper core wire (1) is overlapped with the central line of the insulating layer (3), and the central lines of the insulating layer (3) and the shielding layer (4) are overlapped.

4. A bend-resistant electrical wire for outdoor applications according to claim 1, wherein: the central line of the reinforcing layer (6) is parallel to the central line of the reinforcing core (7), and the central line of the reinforcing layer (6) is superposed with the central line of the waterproof layer (8).

5. A bend-resistant electrical wire for outdoor applications according to claim 1, wherein: the outer side of the inner sheath (9) is fixedly connected with the steel strip armor (10), the steel strip armor (10) is cylindrical, and the center line of the inner sheath (9) is overlapped with the center line of the steel strip armor (10).

6. A bend-resistant electrical wire for outdoor applications according to claim 1, wherein: the wear-resistant protrusions (12) are uniformly distributed on the outer surface of the outer sheath (11), and the center line of the outer sheath (11) and the center line of the inner sheath (9) are overlapped.

7. A bend-resistant electrical wire for outdoor applications according to claim 1, wherein: the central line of the clamping groove (14) is parallel to the central line of the outer sheath (11), and the diameter of the clamping groove (14) is equal to the outer diameter of the outer sheath (11).