Automobile rotation-proof theft-proof lock pin

Abstract

The invention relates to an anti-rotation and anti-theft lock core of vehicle, comprising outer lock core, inner lock core, lock spring and spring. It is characterized in that it also comprises anti-rotation bar for preventing the inner lock core rotating, anti-theft steel plate and transmission shaft; the inner lock core comprises at least two cell inner lock cores; the cell inner lock core comprises middle core, middle core sleeve, spring and lock spring; thereinto, the middle core sleeve of preceding cell inner lock core is mated with the middle core sleeve of next cell inner lock core; one end of inner lock core is connected with transmission shaft with concave groove; the lower end of anti-rotation bar is embedded into the inner lock core; the concave groove of transmission shaft is connected with the spring hole disconnected with the key hole in the inner lock core. Based on the structure of ordinary lock core, the invention adds the device which prevents outer force rotating to damage inner lock core and lock spring. It is provided with reasonable structure, strong anti-damage capability, good anti-theft performance and wide application so on.

Description

technical field [0001] The invention relates to an anti-rotation and anti-theft car lock, in particular to an anti-rotation and anti-theft car lock which can be rotated at any angle with the unlocking tool inserted into the key hole without damaging the lock cylinder and lock spring and which cannot be opened. The core is an improvement to the structure of the existing anti-theft car lock core, and belongs to the lock manufacturing technology. Background technique [0002] At present, the lock core of known automobile anti-theft mechanical lock is made up of outer lock core, inner lock core, lock spring and spring. The unlocking tool stretches into the keyhole, and the lock spring is moved to rotate the inner lock core, the steering wheel lock of the automobile is opened, and then the inner lock core is turned to connect the power supply of the car, and the circuit of the engine work is connected to make the car run. Or stretch into the keyhole with an unlocking tool and tu...

AI Technical Summary

Problems solved by technology

Therefore, the anti-theft performance of the automobile mechanical lock of the prior art is poor

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