Take alarm device's shutter door lock

The utility model discloses a take alarm device's shutter door lock, including a lock body, the lock body middle part is equipped with the lock frame, and the lock core, the lock frame left and right sides all is equipped with sword iron stopping piece, be equipped with A of stopping portion and the B of stopping portion on the sword iron stopping piece, it is articulated with sword iron one end that sword iron stopping piece passes through the rivet, and the sword iron other end passes the sword iron support, and both ends are controlled to the fixed lock body of locating of sword iron support, seted up the spring mounting groove on the sword iron, the spring mounting inslot is equipped with the spring guide post, has cup jointed expanding spring on the spring guide post, sword iron end and latch hook upper end are articulated, fix being equipped with spacing box about the lock body under the both ends on the terminal surface, and spacing box carries on spacingly to the latch hook, the latch hook mid -mounting has the push -button switch, and the push -button switch passes through wire and alarm electric connection. The utility model relates to a rationally, through setting up push -button switch and alarm, under the condition of someone picking lock, push button the switch alarm, alarm send the alarm, have good theftproof effect.