Title:
MOTOR HAVING DOUBLE-SEALING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2021/047381
Kind Code:
A1
Abstract:
The present utility model relates to the technical field of motors, and aims to overcome the defect in an existing motor of poor motor sealing performance. Disclosed is a motor having a double-sealing structure. The motor comprises an end cover and a rotating shaft. The rotating shaft is rotatably assembled on the end cover by means of a bearing. A framework oil seal is disposed between the end cover and the rotating shaft. The motor is characterized in that a sealing ring is further disposed between the end cover and the rotating shaft, and the sealing ring is fixed on the rotating shaft and in clearance fit with the end cover. The motor having a double-sealing structure provided by the present utility model improves the motor sealing performance due to the double-sealing structure, i.e., the framework oil seal and the sealing ring.
Inventors:
SUN JUNJIAN (CN)
LI YALI (CN)
ZHAO DAIFU (CN)
HE YIFENG (CN)
LI JIANSHU (CN)
ZHANG FENGSHUN (CN)
LI YALI (CN)
ZHAO DAIFU (CN)
HE YIFENG (CN)
LI JIANSHU (CN)
ZHANG FENGSHUN (CN)
Application Number:
PCT/CN2020/110923
Publication Date:
March 18, 2021
Filing Date:
August 25, 2020
Export Citation:
Assignee:
WOLONGELECTRICGROUPCO LTD (CN)
International Classes:
H02K5/124
Domestic Patent References:
| WO1995005699A1 | 1995-02-23 |
Foreign References:
| CN203883590U | 2014-10-15 | |||
| CN203632422U | 2014-06-04 | |||
| CN209200810U | 2019-08-02 | |||
| CN204721135U | 2015-10-21 | |||
| CN210225120U | 2020-03-31 | |||
| CN202856510U | 2013-04-03 |
Attorney, Agent or Firm:
HANGZHOU YUYANG UNIONPATENT AGENCY CO., LTD. (CN)
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