Title:
DAMPING SPRING, VOICE COIL MOTOR PROVIDED WITH DAMPING SPRING, AND CAMERA DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/139133
Kind Code:
A1
Abstract:
Disclosed are a damping spring, a voice coil motor provided with the damping spring, and a camera device. The main point of the technical solution of the present invention is: a damping spring, comprising: a movable end portion connected to a rotor in a voice coil motor, and a fixed end portion connected to a fixed component in the voice coil motor, wherein a linear spring portion is arranged between the movable end portion and the fixed end portion, and the spring portion is provided with a plurality of damping structures that are bent in an S shape. In the present invention, the damping spring plays a role in buffering, when a mover moves up and down, it is guaranteed that the mover can effectively and rapidly reduce vibration and rapidly reach a static state, meanwhile, the damping spring can automatically correct the concentricity of up and down movement of the mover, and the perpendicularity of ascending and descending of the mover is guaranteed.
Inventors:
JING ERYONG (CN)
Application Number:
PCT/CN2020/103742
Publication Date:
July 15, 2021
Filing Date:
July 23, 2020
Export Citation:
Assignee:
NEW SHICOH MOTOR CO LTD (CN)
International Classes:
H02K41/035
Foreign References:
| CN111082637A | 2020-04-28 | |||
| CN211508876U | 2020-09-15 | |||
| CN108169869A | 2018-06-15 | |||
| CN202334715U | 2012-07-11 | |||
| CN109975973A | 2019-07-05 | |||
| US20170343886A1 | 2017-11-30 |
Attorney, Agent or Firm:
SHANGHAI BRIDGE INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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