Improved mechanism for opening / closing a latch of a motor vehicle door leaf
By combining a reducer with a drive unit in the door latch of a motor vehicle, the problem of power demand difference during opening and closing is solved, achieving efficient latching operation and simplified kinematic characteristics.
CN116745498BActive Publication Date: 2026-07-07MINEBEA ZHILIAN KECHUANG PARTS (FRANCE) CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- MINEBEA ZHILIAN KECHUANG PARTS (FRANCE) CO LTD
- Filing Date
- 2022-01-27
- Publication Date
- 2026-07-07
Smart Images
Figure CN116745498B_ABST
Abstract
The present disclosure relates to a mechanism for assisting the opening / closing of a latch (10) of an opening, the opening / closing assistance mechanism comprising an electric actuator (16) configured to control the closing and opening of the latch (12), the electric actuator (16) being associated with a reduction gear (161), the reduction gear (161) comprising a drive device (18) configured to perform a displacement stroke, the displacement stroke comprising a first stroke portion for opening the latch (12) and a second stroke portion for closing the latch (12), the reduction gear (161) having a first reduction ratio on the first stroke portion and a second reduction ratio on the second stroke portion, the first reduction ratio being different from the second reduction ratio, preferably lower than the second reduction ratio.
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