Title:
GEAR SHIFTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/000965
Kind Code:
A1
Abstract:
A gear shifting device (100), comprising a planetary carrier (1), a central gear (2), a planetary gear (3), and a fixed ring gear (4). The planetary carrier (1) is provided with a driving end and a rotation end opposite to each other; the central gear (2) has an axis extending along a first direction; the central gear (2) is rotatably mounted to the driving end along the axis of the central gear (2); an epicyclic portion and a fixed rotation portion are sequentially formed on the side tooth surface of the central gear (2) along the first direction; the planetary gear (3) has an axis extending along the first direction; the planetary gear (3) rotates along the axis thereof, is movably mounted to the rotation end along the first direction, and is engaged with the central gear (2); the planetary gear (3) has a movement stroke of moving to the epicyclic portion or the fixed rotation portion along the first direction; the fixed ring gear (4) is provided corresponding to the epicyclic portion; and the planetary gear (3) moves to the epicyclic portion to be engaged with the fixed ring gear (4), and moves to the fixed rotation portion to be disengaged from the fixed ring gear (4).
Inventors:
WU HAN (CN)
WU YANGTAO (CN)
WU YANGTAO (CN)
Application Number:
PCT/CN2022/128574
Publication Date:
January 04, 2024
Filing Date:
October 31, 2022
Export Citation:
Assignee:
CICT MOBILE COMMUNICATION TECH CO LTD (CN)
International Classes:
F16H37/12; F16H3/44
Foreign References:
| CN115289190A | 2022-11-04 | |||
| CN114658814A | 2022-06-24 | |||
| CN109244672A | 2019-01-18 | |||
| CN105508518A | 2016-04-20 | |||
| CN109244671A | 2019-01-18 | |||
| CN208057838U | 2018-11-06 | |||
| US20020091030A1 | 2002-07-11 | |||
| US20020115524A1 | 2002-08-22 |
Attorney, Agent or Firm:
CN-KNOWHOW INTELLECTUAL PROPERTY AGENT LIMITED (CN)
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