Earphone convenient to fix

Abstract

The invention discloses an earphone convenient to fix. The connector comprises a shell and a connecting wire, a groove is formed in the shell in a penetrating mode. Earplugs are connected into the grooves in a sealing and sliding manner; cavities are formed in the earplugs; a telescopic block is connected into the cavity; one end of the telescopic block penetrates through the inner wall of the cavity and is fixedly connected with the shell; the side wall and the top wall, close to the telescopic block and penetrating through the earplug, of the cavity are provided with an exhaust port and an air outlet respectively, the exhaust port and the air outlet are connected with one-way valves in opposite directions respectively, the telescopic block is sleeved with a sliding block of a T-shaped structure, and the side wall of the cavity is provided with a sliding groove matched with the sliding block of the T-shaped structure. The earphone has the advantages that when the earphone is used, theauditory meatus can be automatically cooled under the problem that the auditory meatus is red, swollen and heated due to long-time wearing of the earphone, the volume of sound is reduced, the propagation distance is increased, and hearing is prevented from being injured.

Description

technical field [0001] The invention relates to the technical field of earphones, in particular to an earphone that is easy to fix. Background technique [0002] Earphones are a pair of conversion units that receive electrical signals from a media player or receiver and convert them into audible sound waves using speakers close to the ears. Headphones are generally detachable from the media player and connected with a plug. The advantage is that you can listen to the audio alone without affecting others; it can also isolate the sound of the surrounding environment, which is very helpful for people who use it in noisy environments such as recording studios, bars, travel, and sports. Earphones were originally used on telephones and radios, but with the popularity of portable electronic devices, earphones are mostly used in mobile phones, walkmans, radios, portable video games and digital audio players. [0003] However, in the prior art, because the earphone is in the state ...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem in the prior art that the earphone directly boosts the audio frequency and inputs it into the ear, which will cause irreversible hearing damage under long-term use, and easily cause ear discomfort, causing redness, swelling and heat in the ear. Based on this, the present invention designs a kind of earphone that is convenient to fix and protect hearing

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