Title:
SOUND PRODUCTION DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/257739
Kind Code:
A1
Abstract:
Disclosed in the present invention are a sound production device and an electronic device. The sound production device comprises a housing, a sound production unit, a protection member, and sound-absorbing particles. The housing forms an accommodating cavity. The sound production unit is provided in the accommodating cavity, and the sound production unit and the housing enclose to form a rear sound cavity. The sound production unit is provided with a sound leakage hole. The protection member is a metal plate. The protection member is provided in the rear sound cavity, is sealed and fixed on the sound production unit and covers the sound leakage hole. The protection member, the sound production unit and the housing together enclose to form a filling cavity, and the protection member is provided with a plurality of micropores communicated with the sound leakage hole. The protection member comprises a bottom wall and a side wall. The side wall is connected to the peripheral edge of the sound production unit, and the side wall is provided with a filling hole. The hole wall of the filling hole and the sound production unit enclose to form a glue receiving groove, and the filling cavity is filled with the sound-absorbing particles. The sound production device according to the technical solution of the present invention can improve the filling utilization rate and the assembly convenience of the sound production device.
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Inventors:
CHEN ALIANG (CN)
SHEN ZHAOLEI (CN)
CHEN GUOQIANG (CN)
SHEN ZHAOLEI (CN)
CHEN GUOQIANG (CN)
Application Number:
PCT/CN2022/094313
Publication Date:
December 15, 2022
Filing Date:
May 23, 2022
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R1/10
Foreign References:
| CN214756892U | 2021-11-16 | |||
| CN212992595U | 2021-04-16 | |||
| CN112153500A | 2020-12-29 | |||
| US20180115819A1 | 2018-04-26 | |||
| CN209105447U | 2019-07-12 | |||
| US20190141436A1 | 2019-05-09 |
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