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1. (WO2017016151) LOUDSPEAKER

Pub. No.:    WO/2017/016151    International Application No.:    PCT/CN2015/098052
Publication Date: Fri Feb 03 00:59:59 CET 2017 International Filing Date: Tue Dec 22 00:59:59 CET 2015
IPC: H04R 7/18
Applicants: GOERTEK INC.
歌尔股份有限公司
Inventors: LI, Zhaopeng
李兆鹏
LIU, Huawei
刘华伟
SONG, Xueping
宋学平
Title: LOUDSPEAKER
Abstract:
Disclosed is a loudspeaker, comprising a casing (7) and a vibration system. The vibration system comprises a vibrating diaphragm (3) and a sound coil (4) fixed at a side of the vibrating diaphragm. A joint portion is arranged at an edge of the vibrating diaphragm (3). The joint portion is bonded and fixed to the casing (7). A recessed adhesive accommodating structure (71) is arranged at an end face connecting the casing (7) to the joint portion. The adhesive accommodating structure (71) is arranged corresponding to an adhesive surface between the vibrating diaphragm (3) and the casing (7), and is an annular structure. According to the present invention, the loudspeaker's acoustic performance is stabilized, while the vibrating diaphragm (3) and the casing (7) can be firmly connected to each other.