US Patent No. 10,363,573

VIBRATION MOTOR WITH DUAL U-SHAPED ELASTIC MEMBERS WITH FIXING PORTIONS TO A YOKE


Patent No. 10,363,573
Issue Date July 30, 2019
Title Vibration Motor With Dual U-shaped Elastic Members With Fixing Portions To A Yoke
Inventorship Jinquan Huang, Shenzhen (CN)
Hongfu Xu, Shenzhen (CN)
Xiang Xu, Shenzhen (CN)
Assignee AAC TECHNOLOGIES PTE. LTD., Singapore (SG)

Claim of US Patent No. 10,363,573

1. A vibration motor, comprising:a shell,
a vibrator accommodated in the shell,
a stator accommodated in the shell, and
an elastic member suspending the vibrator in the shell;
wherein one of the vibrator and the stator comprises a magnetic circuit unit, and the other one of the vibrator and the stator comprises a coil,
wherein the elastic member is a sheet-like spring, and a plane where the elastic member is located is perpendicular to a vibrating direction of the vibrator; the elastic member is of a U-shape, and comprises a first fixing portion and a second fixing portion which are respectively fixed to the vibrator and spaced from each other, a third fixing portion located between the first fixing portion and the second fixing portion and fixed to the shell, a first deforming portion which connects the third fixing portion with the first fixing portion, and a second deforming portion which connects the third fixing portion with the second fixing portion, two elastic members are provided, the third fixing portions corresponding to the two elastic members are arranged directly facing each other, and the first deforming portion and the second deforming portion of two elastic members are parallel to and spaced from each other.