US 11,700,487 B2
Speaker device
Ping Liang, Shenzhen (CN); Bin Zhao, Shenzhen (CN); and Wei Song, Shenzhen (CN)
Assigned to AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed by AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed on Dec. 6, 2021, as Appl. No. 17/542,522.
Claims priority of application No. 202023045212.1 (CN), filed on Dec. 16, 2020.
Prior Publication US 2022/0191618 A1, Jun. 16, 2022
Int. Cl. H04R 9/02 (2006.01)
CPC H04R 9/025 (2013.01) 6 Claims
OG exemplary drawing
 
1. A speaker device, comprising a frame, a vibration unit fixed to the frame and a magnetic circuit unit fixed to the frame and driving the vibration unit to vibrate and produce sound, wherein the magnetic circuit unit is provided with a magnetic gap; and the vibration unit comprises a diaphragm fixed to the frame, a holder fixed to the diaphragm, and a voice coil inserted into the magnetic gap and connected to the holder; and
the holder comprises a bottom wall fixed to the diaphragm and comprising a pair of long edges and a pair of short edges, and a pair of side walls each bending and extending from an outer periphery of a respective one of the pair of short edges of the bottom wall toward the magnetic circuit unit; each of the pair of side walls is provided with an opening portion at a side close to one of the pair of long edges; the opening portion is provided with a first through hole; and the diaphragm is connected to the opening portion and partially accommodated in the first through hole; wherein the bottom wall is ring-shaped; the holder further comprises a connecting portion bending and extending from an inner periphery of the bottom wall toward the magnetic circuit unit and the voice coil is fixed to and connected to the connecting portion.