ROTOR ASSEMBLY AND MOTOR HAVING SAME - GUANGDONG WELLING MOTOR MFG CO

Title:

ROTOR ASSEMBLY AND MOTOR HAVING SAME

Document Type and Number:

WIPO Patent Application WO/2021/253767

Kind Code:

A1

Abstract:

A rotor assembly (100) and a motor. The rotor assembly (100) comprises a rotor iron core (10), a permanent magnet (20), a rotating shaft (30), a first end vibration damping member (61), and a first transmission piece (51). The rotor iron core (10) is provided with a magnet recess (102) and a rotating shaft hole (101); the permanent magnet (20) is provided in the magnet recess (102); the rotating shaft (30) is provided in the rotating shaft hole (101); a gap is formed between the rotating shaft (30) and the rotor iron core (10); a first end and a second end of the rotating shaft (30) extend out of the rotating shaft hole (101); the first end vibration damping member (61) is provided on a first end face of the rotor iron core (10) and connected to the rotor iron core (10); a transmission piece is provided in the first end vibration damping member (61); the first transmission piece (51) mates with the rotating shaft (30); the rotor iron core (10) at least drives the rotating shaft (30) by means of the first end vibration damping member (61) and the first transmission piece (51). According to the rotor assembly (100), the material amount of the vibration damping member is large, the noise reduction and vibration damping effects are good, and reliability is high.

Inventors:

ZUO YAJUN (CN)
LI WENRUI (CN)
WANG HONGXIAO (CN)
LI HU (CN)

Application Number:

PCT/CN2020/137397

Publication Date:

December 23, 2021

Filing Date:

December 17, 2020

Export Citation:

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Assignee:

GUANGDONG WELLING MOTOR MFG CO (CN)

International Classes:

H02K1/27; H02K1/28

Foreign References:

CN111769666A	2020-10-13
CN111884370A	2020-11-03
CN111769664A	2020-10-13
CN111884369A	2020-11-03
CN111769665A	2020-10-13
CN206628908U	2017-11-10
CN209692451U	2019-11-26
CN208112348U	2018-11-16
US20190123629A1	2019-04-25

Other References: