US 11,899,270 B2
Voice coil motor device and lens module having voice coil motor device
Shin-Wen Chen, New Taipei (TW); Sheng-Jie Ding, Guangdong (CN); Jing-Wei Li, Guangdong (CN); and Jian-Chao Song, Guangdong (CN)
Assigned to TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD., Shenzhen (CN)
Filed by TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD., Shenzhen (CN)
Filed on Mar. 22, 2021, as Appl. No. 17/208,028.
Claims priority of application No. 202011460059.0 (CN), filed on Dec. 11, 2020.
Prior Publication US 2022/0190701 A1, Jun. 16, 2022
Int. Cl. G02B 7/09 (2021.01); H02K 41/035 (2006.01)
CPC G02B 7/09 (2013.01) [H02K 41/0354 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A voice coil motor device comprising:
a fixed component; and
a movable component configured to hold a lens; wherein:
the movable component is accommodated in the fixed component;
the fixed component comprises a housing and a base;
the housing defines a first hole and comprises first side walls;
the base defines a second hole;
centers of the first hole and the second hole are on an optical axis;
the movable component is accommodated in the housing;
the first hole receives the lens;
one end of the movable component is received in the second hole of the base;
the movable component comprises a coil carrier, two permanent magnets, an upper elastic piece, and a lower elastic piece;
the coil carrier is configured to hold the lens;
the two permanent magnets are fixed on an outer side of the coil carrier;
the upper elastic piece and the lower elastic piece are respectively arranged on an upper surface and a lower surface of the coil carrier;
the lower elastic piece is mounted on a side of the base facing the upper elastic piece;
the first side walls of the housing define a plurality of positioning holes, and the base comprises a plurality of positioning posts; and
each of the positioning posts is embedded in a corresponding one of the positioning holes.