Motor vehicle lock and vehicle comprising the same

By designing a vehicle lock driven by the same motor, the smooth release and self-closing functions of the hood lock were achieved, solving the problems of complex operation and high noise in the existing technology, reducing costs and simplifying the structure.

CN122407019APending Publication Date: 2026-07-17KIEKERT AG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KIEKERT AG
Filing Date
2025-01-09
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing vehicle hood locks require two manual operations to release the bolt, which is complicated and noisy. They also require force to close, and existing solutions increase the number of parts and space usage.

Method used

A motor vehicle lock design is adopted, which uses the same motor to drive the locking mechanism to release the lock retainer and achieves automatic engagement during the locking process. The release control mechanism and transmission device achieve smooth unlocking and self-engaging functions, reducing the number of parts and space occupation.

Benefits of technology

It achieves smooth locking mechanism release, reduces unlocking noise, has a compact structure, low cost, and is easy to integrate, meeting the needs of high-frequency use of the front hood of new energy vehicles.

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    Figure CN122407019A_ABST
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Abstract

The present disclosure relates to a motor vehicle lock comprising a lock housing, a drive device (4), a transmission device (6) and a locking device (2). The lock housing comprises a mounting base plate (10) and a mating base plate (40) opposite the mounting base plate. The locking device comprises a first pawl (20) and a rotary latch (24) movable between a locked position, in which the locking device is locked by the main locking portion (242) of the rotary latch interengaging the first pawl, and an unlocked position. The locking device further comprises a release control mechanism comprising a second pawl (22) co-operable with the rotary latch and configured to cause the rotary latch to pass a first intermediate position during movement from the locked position to the unlocked position, in which first intermediate position the first pawl disengages from the main locking portion (242) of the rotary latch and the second pawl at least partially engages the main locking portion of the rotary latch.
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