US Patent 9228377 Bicycle lock for multiple connection uses

The invention relates to a bicycle lock for multiple connection uses, which is consisted of a body, a fit seat, a push rod, a lock cylinder module, a first clamping block, a second clamping block, a external locking element and an external connecting element. By the composition of the above structure, a quick release handle connected to a seat tube of a bicycle may be locked, and also, lock of connecting the external locking element and the external connecting element may be provided, to thereby achieve the purpose of preventing theft from a bicycle seat, front and rear wheels or other objects within a bicycle, and the purpose of conveniently locking and unlocking.