Title:
MOTOR SUPPORT FOR MOUNTING PERMANENT MAGNET AND COIL, MAGNETIC SUSPENSION SONIC MOTOR, AND ORAL CAVITY CLEANING APPLIANCE
Document Type and Number:
WIPO Patent Application WO/2021/129088
Kind Code:
A1
Abstract:
The present invention provides a motor support for mounting a permanent magnet and a coil, a magnetic suspension sonic motor, and an oral cavity cleaning appliance. In the motor support for mounting a permanent magnet and a coil, the motor support is provided with a permanent magnet mounting part and a coil winding part, a swing gap is formed between the permanent magnet mounting part and the coil winding part, an iron core accommodating part is also provided on the motor support, and an opening is formed between the iron core accommodating part and the swing gap, so that an iron core can extend to the swing gap through the opening. When the motor support of the present invention is used for manufacturing a motor, the iron core can have a larger swing angle while miniaturization is guaranteed, and a larger amplitude is provided for the magnetic suspension sonic motor.
Inventors:
LI DONGBAO (CN)
LI BAOZHENG (CN)
LI BAOZHENG (CN)
Application Number:
PCT/CN2020/122646
Publication Date:
July 01, 2021
Filing Date:
October 22, 2020
Export Citation:
Assignee:
SHENZHEN RISUN TECH CO LTD (CN)
International Classes:
H02K33/16
Foreign References:
| CN110957883A | 2020-04-03 | |||
| CN107394982A | 2017-11-24 | |||
| CN107394982A | 2017-11-24 | |||
| CN108599515A | 2018-09-28 | |||
| CN1875537A | 2006-12-06 | |||
| CN1538598A | 2004-10-20 | |||
| US20120133308A1 | 2012-05-31 |
Attorney, Agent or Firm:
SHENZHEN DEJIN INTELLECTUAL PROPERTY (CN)
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