Automobile engine hood locking and unlocking system, automobile engine hood system and vehicle

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By designing an engine hood locking system that includes a pawl, a locking tongue, and an elastic element, the noise problem when the hood is opened is solved, the smooth opening and closing of the hood is achieved, the noise is reduced by a buffer layer, and real-time monitoring of the lock status is provided.

CN122428822APending Publication Date: 2026-07-21SHANGHAI LIXIANG AUTOMOBILE CO LTD

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner: SHANGHAI LIXIANG AUTOMOBILE CO LTD
Filing Date: 2025-01-20
Publication Date: 2026-07-21

AI Technical Summary

Technical Problem

The hood lock of a car is prone to making noise during the opening or closing of the hood.

Method used

An engine hood locking system was designed, including a pawl, a first locking tongue, a second locking tongue, a base plate, a first elastic element, and a second elastic element. The hood can be switched between a half-locked and a fully open state by the rotation of the pawl and the cooperation of the elastic elements, and noise is reduced by the buffer layer and the buffer element.

Benefits of technology

It effectively reduces noise when the cover is opened, ensures smooth opening and closing of the cover, and monitors the lock status in real time through a microswitch.

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Figure CN122428822A_ABST

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Abstract

The application discloses an engine cover lock, unlocking system, engine cover system and vehicle, and belongs to the field of automobile engine cover locks. The engine cover lock comprises a pawl, a first lock tongue, a second lock tongue, a bottom plate, a first elastic member and a second elastic member; the pawl is rotationally connected to the bottom plate; one end of the first elastic member is connected to the pawl; the other end of the first elastic member is connected to the bottom plate; the first lock tongue and the second lock tongue are coaxially connected, and both are rotationally connected to the bottom plate; a blocking portion is arranged on the bottom plate; one end of the second elastic member is connected to the second lock tongue; the other end of the second elastic member is connected to the bottom plate; a first blocking table is arranged on the pawl; a first locking table and a second locking table are arranged on the first lock tongue along the rotation direction of the first lock tongue.

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