Title:
POWER SHAFT STRUCTURE OF ELECTRIC DRIVE ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2023/130642
Kind Code:
A1
Abstract:
A power shaft structure of an electric drive assembly, the power shaft structure comprising a main shaft (1), wherein the right end of the main shaft is located inside an electric motor (2) and is fixedly connected to a rotor (3) of the electric motor, and the left end of the main shaft is located inside a speed reducer (4) and is fixedly connected to a driving gear (5) and a parking gear (6) of the speed reducer; at least one side of the driving gear is provided with an axially extending flange, and at least one side of the parking gear is provided with an axially extending flange; bushings (8) are provided between an inner hole in the flange on one side of the driving gear and the main shaft and between an inner hole in the flange on one side of the parking gear and the main shaft; and the bushings are used for radial positioning of the driving gear and the parking gear, so that the positions of the driving gear, the parking gear and the main shaft are on the same axis, thereby improving the stability and NVH performance of the electric drive assembly.
Inventors:
LI JIANWEN (CN)
YU PING (CN)
YANG XUDONG (CN)
WANG RUIKUN (CN)
YU PING (CN)
YANG XUDONG (CN)
WANG RUIKUN (CN)
Application Number:
PCT/CN2022/093020
Publication Date:
July 13, 2023
Filing Date:
May 16, 2022
Export Citation:
Assignee:
JING JIN ELECTRIC TECH CO LTD (CN)
International Classes:
F16H57/021; B60K17/22; F16H57/023
Foreign References:
| CN114321334A | 2022-04-12 | |||
| CN108674179A | 2018-10-19 | |||
| CN210941347U | 2020-07-07 | |||
| CN206180768U | 2017-05-17 | |||
| CN211684621U | 2020-10-16 | |||
| JP2020158012A | 2020-10-01 |
Attorney, Agent or Firm:
BEIJING LONGAN LAW FIRM (CN)
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