LOUDSPEAKER

WIPO Patent Application WO/2022/006967

A1

Disclosed in the present application is a loudspeaker, which comprises a basket, a vibration system fixed on the basket, and a magnetic circuit system for driving the vibration system to vibrate and produce sound. The vibration system comprises a vibrating diaphragm fixed on the basket, a centering support piece disposed opposite to and spaced apart from the vibrating diaphragm, a framework connected between the centering support piece and the vibrating diaphragm, and a suspended voice coil connected to the framework; the framework comprises a main body part fixed on the vibrating diaphragm, an extending part which extends from the main body part to the centering support piece to surround the voice coil, and a supporting arm which extends from the extending part to the voice coil; the supporting arm supports and fixes the voice coil, the centering support piece is disposed along the periphery of the extending part, and a positioning support block is convexly arranged on the outer side surface of the extending part and is propped against and fixed on at least one side of the centering support piece along the vibration direction. According to the present application, the positioning support of the centering support piece can be provided without additionally providing a tool, so that the situation that the tool is bonded by glue and is inconvenient to dismount is avoided, and the assembly of the loudspeaker is ensured.

YAN XUDONG (CN)
SHAO TAO (CN)
GU XIAOJIANG (CN)

PCT/CN2020/102431

January 13, 2022

July 16, 2020

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AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)

H04R9/02; H04R9/06

CN104822115A	2015-08-05
CN106028241A	2016-10-12
CN210899506U	2020-06-30
US20180288530A1	2018-10-04
US20170339493A1	2017-11-23

GUANGZHOU YUEXIU JILY PATENT & TRADEMARK LAW OFFICE (CN)

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