Title:
LOUDSPEAKER BOX AND ASSEMBLING PROCESS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/126788
Kind Code:
A1
Abstract:
The present invention provides a loudspeaker box, comprising a housing and a sound production unit that is accommodated in the housing and comprises a vibration diaphragm. The housing comprises a front cover and a rear cover that covers the front cover; the front cover comprises a supporting member that supports the side of the sound production unit having the vibration diaphragm, a sound guide channel that is injection molded and fixedly connected to the supporting member, and a connection member that fixedly connects the supporting member and the rear cover; the supporting member comprises a bottom wall that is provided opposite to the vibration diaphragm at an interval, a supporting wall that is bent and extends from the bottom wall towards a direction close to the sound production unit and supports the sound production unit, and blocking walls that extend from the supporting wall towards the direction of the rear cover and is provided around the periphery of the sound production unit; the rear cover, the supporting member, and the connection member are made of a metal material; the sound production unit, the supporting member, and the connection member together define a front cavity; the sound guide channel communicates the front cavity with the outside; and the sound production unit, the front cover, and the rear cover together define a closed rear cavity. The loudspeaker box provided by the present invention is provided with a metal connection member and the rear cover, the supporting member and the sound guide channel are additionally arranged, and the rear cavity is maximized, thereby improving the acoustic performance.
Inventors:
REN ZHANG (CN)
SONG WEI (CN)
LINGHU RONGLIN (CN)
SONG WEI (CN)
LINGHU RONGLIN (CN)
Application Number:
PCT/CN2020/141861
Publication Date:
June 23, 2022
Filing Date:
December 30, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC MICROTECH CHANGZHOU CO LTD (CN)
AAC MICROTECH CHANGZHOU CO LTD (CN)
International Classes:
H04R31/00; H04R1/02
Foreign References:
| CN112073850A | 2020-12-11 | |||
| CN210093440U | 2020-02-18 | |||
| CN107820173A | 2018-03-20 | |||
| CN211531316U | 2020-09-18 | |||
| CN107820171A | 2018-03-20 | |||
| CN110868659A | 2020-03-06 | |||
| CN210093528U | 2020-02-18 | |||
| US20180213319A1 | 2018-07-26 | |||
| CN110177324A | 2019-08-27 | |||
| CN110856055A | 2020-02-28 |
Attorney, Agent or Firm:
SHENZHEN ZICHEN INTELLECTUAL PROPERTY AGENCY LIMITED (CN)
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