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Patent Searching and Data


Title:
VOICE COIL MOTOR
Document Type and Number:
WIPO Patent Application WO/2017/133181
Kind Code:
A1
Abstract:
A voice coil motor comprises a stator (100), wherein the stator (100) comprises a base (110), a magnet (120), and an end cover (130). The magnet (120) is connected to the end cover (130), the base (110) is provided with a cavity (111), and the magnet (120) and the end cover (130) are installed in the cavity (111). A rotor (200) comprises a frame (210), a coil, and a push rod (220), wherein the frame (210) is provided with a connection hole (211), a part of the push rod (220) is located in the connection hole (211) and abuts the end cover (130). The coil surrounds the frame (210), and the frame (210) is sleeved on the end cover (130). Further provided is an upper cover (300), wherein the rotor (200) is installed in the upper cover (300), and the upper cover (300) is fastened to the base (110). In the voice coil motor of the present invention, the base (110) is provided with the cavity (111), the magnet (120) is installed in the cavity (111), and the magnet (120) is inserted into the base (110) without a gap therebetween, so that magnetic flux leakage does not occur, and the magnetic field utilization rate is maximized. In addition, the stator (100) is designed in an integrated manner, so that the voice coil motor is compact and simple in structure, is easy to install, and is well-suited for integration.

Inventors:
LI, Zeng (Floor 7, Block 54th Industrial Area of Nanyou, Nanshan Road, Nanshan Distric, Shenzhen Guangdong 2, 518052, CN)
TAN, Heng (Floor 7, Block 54th Industrial Area of Nanyou, Nanshan Road, Nanshan Distric, Shenzhen Guangdong 2, 518052, CN)
WEI, Wenyuan (Floor 7, Block 54th Industrial Area of Nanyou, Nanshan Road, Nanshan Distric, Shenzhen Guangdong 2, 518052, CN)
Application Number:
CN2016/088491
Publication Date:
August 10, 2017
Filing Date:
July 04, 2016
Export Citation:
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Assignee:
SHENZHEN COMEN MEDICAL INSTRUMENTS CO.,LTD. (South of Floor 7, Block 5 & Floor 6 Block 4 & Floor 1, Block 4,4th Industrial Area of Nanyou, Nanshan Road, Nanshan Distric, Shenzhen Guangdong 2, 518052, CN)
International Classes:
H02K33/18; H02K1/12; H02K1/18
Foreign References:
CN205490074U2016-08-17
CN205544869U2016-08-31
CN103907273A2014-07-02
CN101498829A2009-08-05
CN104702049A2015-06-10
CN104702083A2015-06-10
KR20060099261A2006-09-19
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (Room 3901, No. 85 Huacheng Avenue Tianhe Distric, Guangzhou Guangdong 3, 510623, CN)
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