Title:
LOUDSPEAKER BOX
Document Type and Number:
WIPO Patent Application WO/2021/000148
Kind Code:
A1
Abstract:
Provided is a loudspeaker box. The loudspeaker box comprises an upper cover plate, a lower cover plate assembled with the upper cover plate to form an accommodation space, a sound production unit accommodated in the accommodation space, and a fixing portion arranged at the lower cover plate and having a threaded hole. The lower cover plate comprises a side wall enclosing the accommodation space. The side wall comprises an inner surface, an outer surface, and an upper surface. The fixing portion is arranged on the outer surface. The fixing portion comprises a top face facing the upper cover plate. The top face and the upper surface of the side wall are recessed to form a recessed portion, the upper cover plate is correspondingly provided with a protruding portion, and the protruding portion is accommodated in the recessed portion. Compared with the related technology, the protruding portion and the corresponding recessed portion are provided to enlarge the accommodation space, thereby reducing the amount of glue for bonding the upper cover plate and the lower cover plate.
Inventors:
LI HONG (CN)
WANG CHENGLIANG (CN)
SHI SHENGRONG (CN)
WANG CHENGLIANG (CN)
SHI SHENGRONG (CN)
Application Number:
PCT/CN2019/094048
Publication Date:
January 07, 2021
Filing Date:
June 30, 2019
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (CN)
AAC TECHNOLOGIES PTE LTD (CN)
International Classes:
H04R9/06
Foreign References:
| CN207968934U | 2018-10-12 | |||
| CN206524954U | 2017-09-26 | |||
| CN207968924U | 2018-10-12 | |||
| US20090304221A1 | 2009-12-10 |
Attorney, Agent or Firm:
SHENZHEN ZHONGYUANLIHE PATENT AND TRADEMARK FIRM (GENERAL PARTNERSHIP) (CN)
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