Lock buckle

The utility model provides a lock buckle, which comprises a main body of the lock buckle and a lock buckle sheet corresponding to the main body of the lock buckle. The main body of the lock buckle comprises a movable bolt and a base which is provided with a containing groove and a bottom plate at the bottom, wherein the movable bolt is connected with the base through a movable shaft and the bottom plate is fixedly provided with a vibration inductor. After the bottom plate is buckled to the base, the vibration inductor can be arranged in the containing groove. A handle of the movable bolt is provided with a battery cover, and the battery can be arranged in the handle by the battery cover. A conducting wire passes through the movable shaft and is used for connecting the battery and the vibration inductor, and the vibration inductor can send a signal to a corresponding receiving device through a signal emitting circuit. When the window sashes are locked, the movable bolt is buckled to the lock buckle sheet. When a person forcibly pries the lock or breaks the glass, the vibration at the time necessarily triggers the vibration inductor and the signal can be sent out by the emitting circuit. The signal can be transmitted to the corresponding receiving device. When the receiving device receives the signal, the receiving device can warns to the exterior. As a consequence, the utility model plays the burglar proof action.