An antipicking lock features that a keyhole is made on the top face of lock body, an internal lock core is arranged in the lock body, the cylinder holes are made no the top face of internal lock core, the regulating cylinder, regulating spring and toggle spring are installed in said keyhole and cylinder holes, a drive rod is connected to the locking bolt fixed to axle, a bolt driving spring is under the bolt, the locking hole is made on bottom face of lock body, and a locking ring is connected between post and transverse bar. |