Telescopic earphone

Abstract

The invention discloses a telescopic earphone, which comprises an earphone main body, a headphone cable, an earphone plug and a telescopic mechanism, wherein the telescopic mechanism comprises an inner ratchet wheel, a pawl, a casing, a rotating shaft and a disc; a turntable is rotatably connected to the rotating shaft; the earphone cable is wound around the middle portion of the turntable; one end of the earphone cable penetrates through the upper portion of the casing and is connected with the earphone main body, and the other end thereof penetrates through the lower portion of the casing and is connected with the earphone plug; a spring is arranged on one side of the turntable; one end of the spring is fixed on the rotating shaft and the other end thereof is fixed on the left end surface of the turntable; the inner ratchet wheel is fixed on the other side of the turntable and is concentric with the turntable; the pawl jams ratchet teeth in the inner ratchet wheel on a cylinder; a pull rod is fixed at the center of the disc; a pressing spring is sleeved on the pull rod; and one end of the pressing spring is fixed at the center of the disc and the other end is fixed on the casing.The telescopic earphone is simple in structure, brings convenience for a user to store the earphone, and solves the problem of knotting and winding due to too long earphone cable.

Description

technical field [0001] The invention relates to the field of earphone stretching, in particular to a stretchable earphone. Background technique: [0002] With the popularization of electronic equipment, more and more people use earphones. For earphones in daily use, due to the long earphone wires used, the problem of earphone wire winding often occurs. Some are self-winding, and some are multiple earphones. Life is inconvenient. The retractable earphones currently on the market have complex structures and large volumes, which are inconvenient to carry in storage boxes. Contents of the invention [0003] The object of the present invention is to provide a retractable earphone to solve the above-mentioned defects in the prior art. [0004] A retractable earphone, comprising an earphone body, an earphone cable, an earphone plug and a telescopic mechanism, is characterized in that: the telescopic mechanism includes an inner ratchet, a pawl, a housing, a rotating shaft and a d...

AI Technical Summary

Problems solved by technology

[0002] With the popularization of electronic equipment, more and more people use earphones. For earphones in daily use, due to the long earphone wires used, the problem of earphone wire winding often occurs. Some are self-winding, and some are multiple earphones. Life is inconvenient. The retractable earphones currently on the market are complex in structure and large in size, and it is inconvenient to carry them in a storage box.

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