CN212624877U

CN212624877U - Anti-bending and anti-stretching earphone shielding wire

Info

Publication number: CN212624877U
Application number: CN202021504542.XU
Authority: CN
Inventors: 沈庆凯; 涂自龙
Original assignee: Guangdong Chaoyang Electronic Technology Co ltd
Current assignee: Guangdong Chaoyang Electronic Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-02-26
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses an anti-bending and anti-stretching earphone shielding wire, which comprises a first wire, a second wire, a third wire, a fourth wire and an outer cover, wherein the outer cover coats the first wire, the second wire, the third wire and the fourth wire together; the first lead comprises a first conductor, a shielding layer coated outside the first conductor and a winding layer coated outside the shielding layer, wherein the winding layer comprises a plurality of shielding leads and a plurality of winding wires, the shielding leads and the winding wires are wound on the periphery of the shielding layer to coat the shielding layer, four winding wires are arranged outside the shielding layer at uniform intervals, a plurality of shielding leads are arranged between every two adjacent winding wires, and the second lead, the third lead and the fourth lead are sequentially arranged at intervals along the outer circumferential direction of the first lead; therefore, the anti-bending and anti-stretching device has better anti-bending and anti-stretching capacity, does not deform or even break, and ensures the service life.

Description

Anti-bending and anti-stretching earphone shielding wire

Technical Field

The utility model belongs to the technical field of the earphone wire rod technique and specifically relates to indicate an anti stretch-proofing earphone shield wire of buckling.

Background

With the development and progress of information technology, various technology products are continuously entering the daily lives of people, and in addition, the technology products gradually affect and change the lives of people. Among them, earphones are widely used as an audio output device in people's life, and have become an essential device for various audio playback apparatuses. The earphone is generally equipped with the earphone cord, to current earphone cord, it usually includes microphone line, loudspeaker line, power cord etc. for shielding setting to its microphone line, adopt the negative pole that is used for the microphone to carry out the copper wire winding shielding, weave modes such as metal material or cladding aluminium foil copper foil, and in order to guarantee the compliance of earphone cord, generally adopt the copper wire winding mode to set up the shielding layer, the earphone cord of such mode preparation is anti buckles tensile ability relatively poor, after using for a period, the easy phenomenon that appears buckling deformation or even fracture, seriously influence life.

Therefore, a new technology needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a bending-resistant and stretch-resistant earphone shielding wire, which has better bending-resistant and stretch-resistant capability, and is free from bending deformation or even breaking, so as to ensure the service life.

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

a bending-resistant and stretching-resistant earphone shielding wire comprises a first wire, a second wire, a third wire, a fourth wire and an outer cover, wherein the first wire, the second wire, the third wire and the fourth wire are covered together by the outer cover; the first wire comprises a first conductor, a shielding layer coated outside the first conductor, and a winding layer coated outside the shielding layer, wherein the winding layer comprises a plurality of shielding wires and a plurality of winding wires, the shielding wires and the winding wires are wound around the periphery of the shielding layer to coat the shielding layer, the winding wires are four, the four winding wires are uniformly arranged outside the shielding layer at intervals, a plurality of shielding wires are arranged between every two adjacent winding wires, and the second wire, the third wire and the fourth wire are sequentially arranged at intervals along the circumferential direction of the outer side of the first wire.

Preferably, at least six shielding wires are arranged between every two adjacent winding wires.

Preferably, the shielding layer is made of TPEE.

Preferably, the winding wire is made of an anti-elastic wire or a nylon wire fiber.

Preferably, the winding wire is 150D bulletproof wire or nylon wire fiber.

Preferably, the outer cover is made of a TPE material.

As a preferable scheme, the second wire, the third wire and the fourth wire each include a second conductor, the first conductor and the second conductor each include a metal core and a plurality of shielding wires, and the plurality of shielding wires are wound to cover the metal core.

Preferably, the metal core has a specification of 400D.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, according to the technical scheme, the shielding layer is arranged outside the first conductor, the winding layer is arranged outside the shielding layer, and the winding layer is formed by winding a plurality of winding wires and a plurality of shielding wires, so that the better bending resistance and tensile resistance can be obtained through the plurality of winding wires, the phenomenon of bending deformation and even breakage can not occur, and the service life is ensured; the shielding layer is combined with the winding layer, so that the shielding layer has double shielding capability, and the integral shielding performance is improved; and the four winding wires are uniformly arranged outside the shielding layer at intervals, a plurality of shielding wires are arranged between every two adjacent winding wires, and the second wire, the third wire and the fourth wire are sequentially arranged at intervals along the circumferential direction of the outer side of the first wire, so that the structural layout of the cable is more ingenious, the stress distribution is more reasonable, the integral bending-resistant effect is more balanced, and the friction force between the conductors is reduced.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

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

The attached drawings indicate the following:

10. first lead 11, first conductor

12. Shielding layer 13 and shielding wire

14. The winding wire 20, the second conductor

30. Third and fourth

conductive lines

40 and 40

50. Outer cover 60, second conductor

101. A metal core.

Detailed Description

Referring to fig. 1, a specific structure of an embodiment of the present invention is shown.

A bending-resistant and stretching-resistant earphone shielding wire comprises a first wire 10, a second wire 20, a third wire 30, a fourth wire 40 and an outer cover 50, wherein the first wire 10, the second wire 20, the third wire 30 and the fourth wire 40 are covered together by the outer cover 50; the first lead 10 comprises a first conductor 11, a shielding layer 12 coated outside the first conductor 11, and a winding layer coated outside the shielding layer 12, wherein the winding layer comprises a plurality of shielding leads 13 and a plurality of winding wires 14, the plurality of shielding leads 13 and the plurality of winding wires 14 are wound on the periphery of the shielding layer 12 to coat the shielding layer 12, the number of the plurality of winding wires 14 is four, the four winding wires 14 are uniformly arranged outside the shielding layer 12 at intervals, the plurality of shielding leads 13 are arranged between every two adjacent winding wires 14, and the second lead 20, the third lead 30 and the fourth lead 40 are sequentially arranged at intervals along the outer circumferential direction of the first lead 10; at least six shielding wires 13 are arranged between two adjacent winding wires 14. Here, the winding wires 14 are wound by the winding machine device in four directions, namely, south, east, west and north, so as to uniformly distribute the four winding wires 14 clockwise among the shielding wires 13.

Preferably, the shielding layer 12 is made of TPEE; the TPEE has excellent heat resistance, excellent creep resistance and fatigue resistance, high impact resistance, excellent elasticity at low temperature, strong chemical resistance, excellent heat resistance (160 ℃) against oil and various solvents, simple processing, excellent coloring and good recyclability, thereby being capable of enhancing the integral structural performance of the earphone shielding wire.

Preferably, in this embodiment, the winding wire 14 is 150D of an anti-stretch yarn or a nylon yarn fiber, and only the anti-stretch yarn or the nylon yarn fiber needs to be selected according to actual production requirements, which is not described herein again.

The outer cover 50 is made of TPE materials; the TPE has the characteristics of high strength, high resilience and injection molding processing, has wide application range, is environment-friendly, non-toxic and safe, has excellent colorability, is soft in touch, weather-resistant, fatigue-resistant and temperature-resistant, has excellent processing performance, does not need vulcanization, can be recycled to reduce the cost, can be subjected to secondary injection molding, is coated and adhered with matrix materials such as PP, PE, PC, PS, ABS and the like, and can be independently molded; therefore, the outer cover 50 manufactured by processing and forming TPE can strengthen the overall performance of the earphone shielding wire, so that the earphone shielding wire has higher strength, softer touch, better weather resistance, better fatigue resistance, better temperature resistance and the like.

The second wire 20, the third wire 30 and the fourth wire 40 each comprise a second conductor 60, the first conductor 11 and the second conductor 60 each comprise a metal core 101 and a plurality of shielding wires 13, and the plurality of shielding wires 13 are wound to cover the metal core 101; in the present embodiment, the specification of the metal core 101 is 400D. The metal core 101 is preferably copper, but is not limited to copper, and may be other metals.

To sum up, the utility model is mainly designed in such a way that the shielding layer is arranged outside the first conductor, the winding layer is arranged outside the shielding layer, and the shielding layer and the shielding wires are wound to form the winding layer through the winding wires, so that the better bending resistance and tensile resistance can be obtained through the winding wires, the phenomenon of bending deformation and even breakage can not occur, and the service life is ensured; the shielding layer is combined with the winding layer, so that the shielding layer has double shielding capability, and the integral shielding performance is improved; and the four winding wires are uniformly arranged outside the shielding layer at intervals, a plurality of shielding wires are arranged between every two adjacent winding wires, and the second wire, the third wire and the fourth wire are sequentially arranged at intervals along the circumferential direction of the outer side of the first wire, so that the structural layout of the cable is more ingenious, the stress distribution is more reasonable, the integral bending-resistant effect is more balanced, and the friction force between the conductors is reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an anti stretch-proofing earphone shield wire of buckling which characterized in that: the wire wrapping cover comprises a first wire, a second wire, a third wire, a fourth wire and an outer cover, wherein the first wire, the second wire, the third wire and the fourth wire are wrapped together by the outer cover; the first wire comprises a first conductor, a shielding layer coated outside the first conductor, and a winding layer coated outside the shielding layer, wherein the winding layer comprises a plurality of shielding wires and a plurality of winding wires, the shielding wires and the winding wires are wound around the periphery of the shielding layer to coat the shielding layer, the winding wires are four, the four winding wires are uniformly arranged outside the shielding layer at intervals, a plurality of shielding wires are arranged between every two adjacent winding wires, and the second wire, the third wire and the fourth wire are sequentially arranged at intervals along the circumferential direction of the outer side of the first wire.

2. The earphone shielding wire of claim 1, wherein the bending resistance and stretch resistance are as follows: at least six shielding wires are arranged between every two adjacent winding wires.

3. The earphone shielding wire of claim 1, wherein the bending resistance and stretch resistance are as follows: the shielding layer is made of TPEE material.

4. The earphone shielding wire of claim 1, wherein the bending resistance and stretch resistance are as follows: the winding wire is made of bulletproof wires or nylon wire fibers.

5. The earphone shielding wire of claim 4, wherein the bending resistance and stretch resistance are as follows: the winding wire is 150D bulletproof silk or nylon silk fiber.

6. The earphone shielding wire of claim 1, wherein the bending resistance and stretch resistance are as follows: the outer cover is made of TPE materials.

7. The earphone shielding wire of claim 1, wherein the bending resistance and stretch resistance are as follows: the second wire, the third wire and the fourth wire comprise second conductors, the first conductors and the second conductors comprise metal cores and a plurality of shielding wires, and the shielding wires are wound to cover the metal cores.

8. The earphone shielding wire of claim 7, wherein the bending and stretching resistance is as follows: the specification of the metal core is 400D.