Title:
DIFFERENTIAL MOTOR, REAR AXLE HAVING DIFFERENTIAL MOTOR, POWER-ASSISTED TRICYCLE, AND POWER-ASSISTED QUADRICYCLE
Document Type and Number:
WIPO Patent Application WO/2023/088023
Kind Code:
A1
Abstract:
A differential motor, a rear axle having a differential motor, a power-assisted tricycle, and a power-assisted quadricycle. The differential motor comprises a housing (10), an output motor (20) and a reducer (30); both the output motor (20) and the reducer (30) are disposed in the housing (10), two ends of the housing (10) are each provided with a first through hole (121), and an output shaft (21) of the output motor (20) is provided with a second through hole (211), and an outer side of the output shaft (21) of the output motor (20) is provided with an eccentric ring (212). The reducer (30) comprises: a pin gear housing (31), which is fixedly connected in the housing (10); needle rollers (32), which are provided on an inner side wall of the pin gear housing (31), multiple of needle rollers (32) being uniformly arranged along the circumferential direction of the pin gear housing (31); a cycloid gear (33), which is swingably connected in the pin gear housing (31) and provided with a cycloid hole (331); and transmission connecting shafts (34), multiple of which are arranged at intervals along the circumferential direction of the pin gear housing (31), the cycloid gear (33) being provided with a transmission hole (332), and the transmission connecting shafts (34) being connected to a transmission shaft.
Inventors:
LI LEI (CN)
ZHANG ZHUO (CN)
ZHANG ZHUO (CN)
Application Number:
PCT/CN2022/126325
Publication Date:
May 25, 2023
Filing Date:
October 20, 2022
Export Citation:
Assignee:
NINGBO WILLEN INTELLIGENT TECH CO LTD (CN)
International Classes:
F16H37/08; H02K7/116
Foreign References:
| CN114087331A | 2022-02-25 | |||
| CN102328585A | 2012-01-25 | |||
| CN2418041Y | 2001-02-07 | |||
| CN1288830A | 2001-03-28 | |||
| CN209650471U | 2019-11-19 | |||
| CN105402354A | 2016-03-16 |
Attorney, Agent or Firm:
NINGBO BOZHENG INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) et al. (CN)
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