Automobile back door lock body

Abstract

The invention discloses an automobile back door lock body which is characterized in that a U-shaped groove with an opening facing downwards is formed in the center of the bottom of a bottom plate; a ratchet shaft seat is arranged at the left side of the lower part of the bottom surface of the bottom plate; a ratchet shaft penetrates through a ratchet to be mounted in the ratchet shaft seat; a pawl shaft seat is arranged at the right side of the lower part of the bottom surface of the bottom plate; a pawl shaft penetrates through a pawl to be mounted in the pawl shaft seat; a worm component is arranged at the right side of the upper part of a space between a lock housing and the bottom plate; an outward opening transmission component is arranged above the position of the worm component; the worm component comprises a worm shaft; a worm shaft sleeve B, a driven gear, a sliding block, a worm and a worm shaft sleeve A are sequentially arranged on the worm shaft from left to right; a current-conducting plate subassembly is arranged at the left side of the upper part of the place between the lock housing and the bottom plate, and comprises a current-conducting plate; a motor is arranged at the bottom surface of the current-conducting plate; and a driving gear is arranged on an output end of the motor, and is engaged to the driven gear at the left part of the worm component. The automobile back door lock body is reasonable in structure; when the electric control function fails, an automobile back door can be opened emergently; and personal injury and economic loss are avoided.

Description

technical field [0001] The invention belongs to the technical field of automobile locks, in particular to an automobile 507 back door lock body. Background technique [0002] In the prior art, when the split car back door lock body is electrically unlocked, the motor is energized to realize positive and negative rotation to drive the transmission of the gear and worm, and drive the pawl to release the ratchet to realize the unlocking function. There are single functions and failure of the electric control function. It cannot be opened in an emergency, and accidents may occur when the electronic control function fails, causing irreparable personal casualties and economic losses. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned technical problems, and provide an automobile back door lock body which adds an emergency opening function and prevents the electronic control function from failing. [0004] In order to achieve ...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, when the split car back door lock body is electrically unlocked, the motor is energized to realize positive and negative rotation to drive the transmission of the gear and worm, and drive the pawl to release the ratchet to realize the unlocking function. There are single functions and failure of the electric control function. It cannot be opened in an emergency, and it is easy to cause accidents when the electronic control function fails, causing irreparable personal casualties and economic losses.

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