Title:
SOUND PRODUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/068010
Kind Code:
A1
Abstract:
The present utility model provides a sound production device, comprising a housing and a sound production unit. The sound production unit comprises a vibrating diaphragm for vibrating to produce sound; the housing comprises a base and a rear housing respectively covering two opposite sides of the sound production unit in the vibration direction of the vibrating diaphragm; the base is provided with a sound production opening passing therethrough; the side, provided with the vibrating diaphragm, of the sound production unit faces the sound production opening; the base comprises a base plate provided with the sound production opening, a side wall bent and extended from the periphery of the base plate to a direction close to the rear housing, and an extension wall bent and extended from the side of the side wall away from the base plate; the base plate and the sidewall jointly define an accommodating cavity, and the sound production unit is accommodated in the accommodating cavity; the sound production device further comprises a fixing plate which at least partially covers the side of the sound production unit away from the vibrating diaphragm and fixes the sound production unit; the fixing plate comprises a fixing portion fixing the sound production unit, and a connecting portion formed by extending opposite ends of the fixing portion and fixed to the extension wall. Compared with the related art, the sound production device of the present utility model has good reliability.
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Inventors:
ZHANG LONG (CN)
REN ZHANG (CN)
REN ZHANG (CN)
Application Number:
PCT/CN2020/129786
Publication Date:
April 07, 2022
Filing Date:
November 18, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H04R7/16; H04R9/06
Foreign References:
| CN108366324A | 2018-08-03 | |||
| CN110198509A | 2019-09-03 | |||
| CN209330394U | 2019-08-30 | |||
| CN211321501U | 2020-08-21 | |||
| CN210093534U | 2020-02-18 | |||
| US20200053442A1 | 2020-02-13 |
Attorney, Agent or Firm:
SHENZHEN JUNXINCHENG INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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