US 11,886,105 B2
Base assembly of voice coil motor and voice coil motor
Wen-Yen Huang, Taipei (TW); Fu-Yuan Wu, Taipei (TW); Shang-Yu Hsu, Taipei (TW); Meng-Ting Lin, Taipei (TW); BingBing Ma, Kunshan (CN); Jie Du, Kunshan (CN); and Yu-Cheng Lin, Taipei (TW)
Assigned to Lanto Electronic Limited, Kunshan (CN)
Filed by Lanto Electronic Limited, Kunshan (CN)
Filed on Oct. 28, 2021, as Appl. No. 17/513,664.
Claims priority of application No. 202120320562.X (CN), filed on Feb. 4, 2021.
Prior Publication US 2022/0244618 A1, Aug. 4, 2022
Int. Cl. H02K 41/035 (2006.01); G03B 5/00 (2021.01)
CPC G03B 5/00 (2013.01) [H02K 41/0354 (2013.01); G03B 2205/0069 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A voice coil motor, comprising:
a base assembly, wherein the base assembly comprises:
a base body having a first elastic piece connecting area;
a lower elastic piece disposed on the first elastic piece connecting area; and
a first terminal disposed in the base body, wherein the first terminal has:
a first conductive part disposed in the base body;
a first terminal connecting part disposed on one side of the first conductive part and extending toward a direction away from the first conductive part, wherein a part of the first terminal connecting part protrudes from the first elastic piece connecting area and is connected with the lower elastic piece; and
an engaging part disposed on one side of the first terminal connecting part and extending toward a direction away from the first terminal connecting part;
a coil assembly disposed on the base assembly, wherein the coil assembly comprises:
a magnet disposed on the first elastic piece connecting area;
a conductive pillar electrically connected to the lower elastic piece;
a frame disposed on the base body, wherein the frame is recessed to form an annular groove;
a coil disposed in the annular groove and electrically connected to the conductive pillar; and
an upper elastic piece disposed on the frame.