Chain vehicle theftproof lock

Abstract

The invention relates to an anti-theft lock of chain vehicle fixed on the ground, with better shear resistance, wherein it comprises bottom plate (1), chassis (2), lock frame (3), lock pin (4), and chain (5); the center of chassis (2) has one polygonal guide post (6) and chain post (8); the lock frame (3) has upper and lower clamp plates (9, 10) that movably sheathed on the polygonal guide post (6); said guide post (6) is sheathed with return spring (13); a lock plate (14) is mounted between the upper and lower clamping plates (9, 10); the locking plate (14) is inserted on the polygonal guide plate (6), while its one end contacts one end of dial rod (15); the dial rod is driven by the lock pin dial rod (17); and the lock pin dial rod (17) is driven by lock pin (4). The invention has simple structure and high safety.

Description

technical field [0001] The invention relates to an anti-theft device, in particular to an anti-theft lock which is fixed on the ground and realizes anti-theft through a chain, in particular to a chain-type anti-theft lock for vehicles. Background technique [0002] At present, vehicle anti-theft is a matter of great concern and headache for governments, citizens and public security at all levels. For this reason, various anti-theft locks emerge in an endless stream, but most of them are limited to the improvement of anti-pick functions. Theft, such anti-theft locks are powerless. Therefore, there is an urgent need for an anti-theft lock that not only has an anti-prying function, but also prevents the overall handling behavior from occurring. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to design a chain type vehicle anti-theft lock which is fixed on the ground and has good anti-pick and anti-shear functions, aiming at the problem that the exis...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to design a chain-type anti-theft lock for vehicles that is fixed on the ground and has good anti-prying and anti-shearing functions in view of the problem that the existing anti-theft locks for various vehicles cannot prevent the occurrence of the overall handling type theft.

Images