Noise reduction headphone

The utility model provides a head-mounted noise reduction earphone. The head-mounted noise reduction earphone comprises a head band, a connecting frame and earphones, the two ends of the headband are connected with the connecting frame, the connecting frame is rotationally connected with the earphon...

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Bibliographic Details
Main Author YAO AIHONG
Format Patent
LanguageChinese
English
Published 14.03.2023
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Summary:The utility model provides a head-mounted noise reduction earphone. The head-mounted noise reduction earphone comprises a head band, a connecting frame and earphones, the two ends of the headband are connected with the connecting frame, the connecting frame is rotationally connected with the earphones through pin shafts, the earphones are detachably provided with protective covers, the protective covers are provided with fixing grooves, fixing rings are arranged in the earphones, the left sides and the right sides of the fixing rings are matched with the fixing grooves, and pushing assemblies are arranged on the outer walls of the earphones. According to the utility model, the convex part of the elliptical fixing ring is pushed by the pushing assembly, so that the concave part is separated from the fixing groove of the protective cover, and therefore, the effects of switching the state of the fixing ring, conveniently disassembling and assembling the protective cover, replacing the protective cover matched wi
Bibliography:Application Number: CN202222840019U