Anti -theft lock

The utility model discloses an anti -theft lock, including the lock body, the lock body is provided with wire, power, electro -magnet, armature and alarm, the power -on mistake the wire with the electro -magnet forms closed -loop, armature passes through the power with the alarm forms alarm circuit, when during the closed -loop disconnection, the electro -magnet loses magnetism, armature playback back intercommunication alarm circuit, the alarm is reported to the police, when during the closed -loop intercommunication, the electro -magnet produces magnetism, and will armature holds, the alarm circuit disconnection. Above -mentioned anti -theft lock can effectively play the effect of warning, can play effectual fright effect to forced -picking lock's lawless persons like this, has improved anti -theft lock's theftproof function. 本实用新型公开了种防盗锁，包括锁本体；所述锁本体设置有导线、电源、电磁铁、衔铁以及报警器；所述电源通过所述导线与所述电磁铁形成闭合回路；所述衔铁通过所述电源与所述报警器形成报警回路；当所述闭合回路断开时，所述电磁铁失去磁性，所述衔铁归位后连通所述报警回路，所述报警器报警；当所述闭合回路连通时，所述电磁铁产生磁性，并将所述衔铁吸住，所述报警回路断开。上述防盗锁，可以有