Title:
MECHANICAL UNLOCKING MECHANISM FOR ELECTRONIC PARKING
Document Type and Number:
WIPO Patent Application WO/2021/184455
Kind Code:
A1
Abstract:
Disclosed is a mechanical unlocking mechanism for electronic parking, comprising a parking cam assembly, a pawl assembly, a parking gear, an inhaul cable assembly, and an execution assembly. The parking cam assembly comprises a parking guide shaft and a parking cam; the parking cam is sleeved on the parking guide shaft; an arc-shaped protrusion is provided in the circumferential direction of the outer side of the parking cam, so that the pawl assembly is located at a first position where the parking gear is engaged and a second position where the parking gear is disengaged respectively along with the rotation of the parking cam; the inhaul cable assembly has one end connected to the execution assembly and the other end connected to the parking guide shaft; and the execution assembly drives the parking guide shaft to translate by means of the inhaul cable assembly, so as to drive the pawl assembly to move from the first position to the second position. According to the mechanical unlocking mechanism provided in the present invention, an emergency mechanical unlocking function when a parking motor is powered off is provided, so that a driver is able to conduct manually mechanical unlocking in a cab, without needing to getting off to operate; the safety performance is high and the operation comfortability is good.
Inventors:
HOU DEFENG (CN)
LI JIANWEN (CN)
SUN RAN (CN)
MU GUODONG (CN)
LI JIANWEN (CN)
SUN RAN (CN)
MU GUODONG (CN)
Application Number:
PCT/CN2020/083763
Publication Date:
September 23, 2021
Filing Date:
April 08, 2020
Export Citation:
Assignee:
JING JIN ELECTRIC TECH CO LTD (CN)
International Classes:
F16H63/34
Domestic Patent References:
| WO2011090614A2 | 2011-07-28 |
Foreign References:
| CN207406754U | 2018-05-25 | |||
| CN203189708U | 2013-09-11 | |||
| CN110748639A | 2020-02-04 | |||
| CN109681631A | 2019-04-26 | |||
| CN110686077A | 2020-01-14 | |||
| KR20180018023A | 2018-02-21 |
Other References:
See also references of EP 4086485A4
Attorney, Agent or Firm:
BEIJING LONGAN LAW FIRM (CN)
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