Title:
LOUDSPEAKER BOX
Document Type and Number:
WIPO Patent Application WO/2024/045311
Kind Code:
A1
Abstract:
The present invention provides a loudspeaker box, comprising a rear shell having a cavity, an elastic fixing member fixed to the rear shell, and a sound production unit supported on the elastic fixing member, the orthographic projection of the sound production unit being located in the cavity. The sound production unit comprises a basket, a vibration system, a magnetic circuit system, and a front cover defining a front chamber with the vibration system; the magnetic circuit system comprises a magnetic yoke, a main magnetic steel, and auxiliary magnetic steels; the front cover comprises a supporting part, a cover plate, and a covering part; the covering part extends to the periphery of the magnetic yoke and is used for completely wrapping the auxiliary magnetic steels with the magnetic yoke; and the elastic fixing member, the magnetic yoke, and the covering part jointly seal the cavity to form a rear chamber. According to the loudspeaker box of the present invention, parts can be reduced, the size of the whole machine can be reduced, the space of the rear chamber can be enlarged, the height of the whole machine can be reduced, leakage of a magnetic field can be reduced, and the assembling process can be simplified.
Inventors:
LIU SHASHA (CN)
LIU XIAODONG (CN)
LIU XIAODONG (CN)
Application Number:
PCT/CN2022/128545
Publication Date:
March 07, 2024
Filing Date:
October 31, 2022
Export Citation:
Assignee:
AAC MICROTECH CHANGZHOU CO LTD (CN)
International Classes:
H04R9/06
Domestic Patent References:
| WO2022007026A1 | 2022-01-13 |
Foreign References:
| CN212752625U | 2021-03-19 | |||
| CN111935618A | 2020-11-13 | |||
| US20140014434A1 | 2014-01-16 |
Attorney, Agent or Firm:
SHENZHEN JUNXINCHENG INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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