Title:
OUTER ROTOR LOW-SPEED BRUSHLESS ELECTRIC MOTOR WITH DUSTPROOF STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2023/236248
Kind Code:
A1
Abstract:
Disclosed in the present invention is an outer rotor low-speed brushless electric motor with a dustproof structure. A central groove in the shape of a cylindrical groove is formed in the middle of an end cover; a left through-groove in the shape of a cylindrical groove is formed in a left side wall of the center groove, and a right through-groove in the shape of a cylindrical groove is formed in a right side wall of the center groove; an extension and retraction groove in the shape of an annular groove is formed in a cylinder face of each of the left through-groove and the right through-groove; several circumferentially and uniformly distributed fan-ring-shaped closing plates are radially provided in the extension and retraction groove in an elastically extending and retracting manner; a pair of closing grooves in the shape of an annular groove are formed in a right portion of a main shaft; the inner diameter of each closing groove is the same as that of each closing plate; an intake pipe is formed on and coaxial with a right end face of the main shaft; two air outlet structures are formed on a left portion of the intake pipe, and the right end of the air intake pipe is connected to an air supply device; and each air outlet structure comprises several radially arranged air outlet holes distributed circumferentially and uniformly.
Inventors:
ZHOU XINFA (CN)
Application Number:
PCT/CN2022/100125
Publication Date:
December 14, 2023
Filing Date:
June 21, 2022
Export Citation:
Assignee:
ZHOU XINFA (CN)
International Classes:
H02K5/10; H02K5/12
Foreign References:
| CN106357074A | 2017-01-25 | |||
| CN206302243U | 2017-07-04 | |||
| CN205811700U | 2016-12-14 | |||
| CN204118921U | 2015-01-21 | |||
| CN112196839A | 2021-01-08 | |||
| CN114301211A | 2022-04-08 | |||
| JP2004263731A | 2004-09-24 |
Attorney, Agent or Firm:
LANTIAN INTELLECTUAL PROPERTY AGENCY (CN)
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