Security locking and relieving structure of automobile door lock

Abstract

The invention provides a security locking and relieving structure of an automobile door lock. The security locking and relieving structure comprises an outer locking lock cylinder, an automobile doorlock body, a cover and a lock cylinder knob, wherein a security rotary rod is arranged in the automobile lock body; a bulged through hole is formed in the surface of the cover; a first drive part anda second drive part are arranged on the rotary surface of the lock cylinder knob; the outer locking lock cylinder rotates the lock cylinder knob; and the first drive part or the second drive part drives the security rotary rod to rotate for realizing security locking or relieving of the automobile door lock body. The security locking and relieving structure of the automobile door lock provided bythe invention enables the outer locking lock cylinder to directly connect with the door lock, improves car assembly efficiency, reduces the cost of a connector, and realizes a security locking and reliving function more stably.

Description

technical field [0001] The invention relates to the technical field of door locks, in particular to an unlocking safety structure of an automobile door lock. Background technique [0002] At present, the external lock cylinder on the driver's side of most automobiles and the unlocking mechanism of the door lock key are connected by an intermediate piece connecting rod or a pull wire. In order to realize the structural connection between the outer lock cylinder and the key on the door lock, usually the lock cylinder end and the door lock end need to use plastic buckles as the connection and fixing parts, because the internal assembly space of the automobile door panel is limited, and when assembling The relevant parts cannot be seen, and the assembly is time-consuming and laborious, which affects the assembly efficiency; in addition, in summer, the material of the plastic chuck often becomes soft under high temperature conditions, causing the connecting rod or cable to come o...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an unlocking safety structure for automobile door locks, so as to solve the problem that the locking cylinder and door lock key unlocking safety mechanism in the prior art need to be connected through an intermediate piece connecting rod or a pull wire, and the assembly is time-consuming and laborious and affects the assembly. Efficiency and problems with functional failures

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