LOUDSPEAKER ENCLOSURE - AAC ACOUSTIC TECH SHENZHEN CO LTD

Title:

LOUDSPEAKER ENCLOSURE

Document Type and Number:

WIPO Patent Application WO/2021/000134

Kind Code:

A1

Abstract:

Provided is a loudspeaker enclosure, comprising an upper cover, a lower shell, and a sound production unit, wherein the lower shell comprises a steel sheet and a lower shell body; the sound production unit comprises a sound production side close to the upper cover, and a back side facing away from the sound production side; and the steel sheet is provided with a through hole in a penetrating manner, at least part of the back side is exposed from the steel sheet by means of the through hole, and the steel sheet comprises a planar portion surrounding the through hole. The upper cover comprises a top wall, a side wall extending, in a bent manner, from the edge of the top wall in a direction close to the lower shell, and a retaining wall extending into an accommodating space from the side wall. A side, away from the through hole, of the planar portion is partially borne on the retaining wall, a sunken groove surrounding the through hole is formed under the cooperation of the planar portion and the lower shell body, and the sunken groove is filled with a sealant. Compared with the related technology, the distance between the edge of the sound production unit of the loudspeaker enclosure and the lower shell body in the present application can be reduced to 0.2 mm, thereby greatly reducing the whole size of the loudspeaker enclosure.

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Inventors:

LI KE (CN)
YIN ZHAOYU (CN)

Application Number:

PCT/CN2019/094034

Publication Date:

January 07, 2021

Filing Date:

June 30, 2019

Export Citation: