Antitheft lock

Abstract

The invention discloses an antitheft lock. A lock base, a lock cylinder, a locking assembly, a key and a lock fork are included. The lock base is provided with lock holes, and a plurality of lock bodies are movably arranged in the lock holes. The lock cylinder is rotationally arranged in the lock base in a connected manner and rotates between the locking position and the unlocking position, and the lock cylinder is provided with second lock bodies, wherein the number of the second lock bodies is the same with the number of the first lock bodies. When the lock cylinder is located at the lockingposition, the second lock bodies are aligned with the first lock bodies, and when the lock cylinder is located at the unlocking position, the second lock bodies are staggered from the first lock bodies. The locking assembly is movably arranged in the lock base and is in transmission connection with the lock cylinder. The key is provided with lock protrusions, wherein the number of the lock protrusions is the same with the number of the second lock bodies. The lock fork is provided with fork feet capable of stretching into the lock holes. When the lock cylinder is located at the locking position, the fork feet are in clamping and connecting fit with the locking assembly, and when the lock cylinder is located at the unlocking position, the fork feet are separated from the locking assembly.The whole antitheft lock is compact in structure, and compared with a complex antitheft lock structure in the prior art, violent unlocking and technical unlocking difficulty can be more effectively improved.

Description

technical field [0001] The invention relates to an anti-theft lock. Background technique [0002] At present, the theft of bicycles, motorcycles, and electric mopeds that people use daily occurs from time to time. The locks used in the existing market are mainly divided into two types, one is a fork lock, which is locked on the front fork or rear fork of the wheel, and it has a locking function by closing the lock seat and the fork; the second is a chain lock. It is a wire rope lock or a steel chain lock, which usually locks the wheel rotation by closing the chain. For fork locks, the structure of the lock cylinder is simple, and the key hole corresponding to the key directly corresponds to the structure of the internal lock cylinder. The thief only needs to use a master key or self-made tools similar to keys, electric drills, etc. to illegally open the lock through the key hole. Thereby causing the defense failure of the lock. Contents of the invention [0003] The inv...

AI Technical Summary

Problems solved by technology

For fork locks, the structure of the lock cylinder is simple, and the key hole corresponding to the key directly corresponds to the structure of the internal lock cylinder. The thief only needs to use a master key or self-made tools similar to keys, electric drills, etc. to illegally open the lock through the key hole. Thus causing the lock's defense to fail

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