High-reliability burglary-preventive control mechanism for automobile door lock

The present invention relates to a vehicle door lock having high reliability antitheft control mechanism. It comprises a lock housing, a motor mounted in the lock housing, worm, the worm, the spring, pendulum, manual / Insurance solution rod, the unlocking lever, a return spring rod, intermediate rod, a pawl return spring and latch. A worm mounted on the motor shaft, a worm shaft disposed perpendicular to the motor axis, the pendulum axis disposed parallel with the worm shaft, with a groove on the particular geometry of worm, the cylindrical projection can push the top of the swing lever to push the pendulum swing, before the rod is achieved by positioning the chute on the lock housing, provided with an eccentric roller lever spring, manual / decompression lever mounted on the swing safety lever shaft, which cylindrical boss slot stuck swing end of the lever, and unlocking rod through intermediate rod the pawl is connected, driven by the swinging pendulum intermediate rod about the hinge on the pawl to disengage the unlocking lever, so that the unlocking lever can not be unlocked, to achieve safety function. Cam grooves on the worm wheel symmetrical fashion design, simply rotate the worm wheel 180 can be realized / solution safety operation, high transmission efficiency.