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Telescopic earphone

A technology of telescopic earphones and earphones, which is applied in the direction of earpiece/earphone accessories, etc., which can solve the problems of users' fetters, shortening the service life of earphone cords, and easy knotting of earphone cords, so as to achieve the effect of increasing the service life

Inactive Publication Date: 2008-06-04
王磊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there are mainly two types of earphones used by people, one is wired earphones and the other is wireless earphones, and wired earphones need to be connected with a long earphone cord, and the earphone cords are exposed, which is easy to use. The user or people walking around will cause inconvenience and trouble, and the earphone cord is easy to get knotted or pulled, shortening the service life of the earphone cord

Method used

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  • Telescopic earphone
  • Telescopic earphone

Examples

Experimental program
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Effect test

Embodiment Construction

[0011] as attached figure 1 As shown, the retractable earphone includes the earphone cord 2 connected with the earplug 1 and the earphone plug 3, and it also includes a shell box 4 that can accommodate the earphone cord 2, and the shell box 4 is provided with a A control device for controlling the expansion and contraction of the earphone cord 2.

[0012] The control device includes a turntable 5 that is arranged inside the housing box 4 and can rotate around a pivot. The earphone cord 2 is coiled on the outer peripheral surface of the turntable 5, and it also includes A mainspring 6, the mainspring 6 is located in the annular cavity formed by the pivot and the turntable 5, one end of the mainspring 6 is fixedly connected to the earphone cord 2, and the other end is fixed to the The pivot shaft; the housing box 4 is also provided with a ratchet mechanism 7 that controls the rotation of the turntable 5 .

[0013] The ratchet mechanism 7 includes a ratchet 8 fixed on the turnt...

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PUM

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Abstract

The invention discloses an expansible earphone which includes an earphone cord connected with an earplug and an earphone plug as well as a shell box for containing the earphone cord. A control device which can control the extension and the contraction of the earphone cord is arranged inside the shell box; the earphone cord can be extended or contracted and positioned randomly so that the earphone cord is not exserted and does not stumble users or the persons walking around when in use; moreover, the earphone cord is not easy to be knotted or pushed, and the service life of the earphone cord is prolonged.

Description

technical field [0001] The invention relates to an earphone, in particular to a retractable earphone. Background technique [0002] At present, there are mainly two types of earphones used by people, one is wired earphones and the other is wireless earphones, and wired earphones need to be connected with a long earphone cord, and the earphone cords are exposed, which is easy to use. The user or the people walking next to him cause entanglement, inconvenience and trouble, and the cord of the earphone is easy to be knotted or pulled to shorten the service life of the cord of the earphone. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an easy-to-use retractable earphone. [0004] In order to achieve the above object, the technical solution of the present invention is: retractable earphones, including earphone cords connected with earplugs and earphone plugs, it also includes a housing box that can accommodate the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R1/10
Inventor 王磊
Owner 王磊
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