Shutter device with self-locking function

The utility model discloses a shutter device with a self-locking function. The shutter device with the self-locking function comprises a supporting frame, a shutter, a fixed plate, a drive plate and a locking mechanism, wherein the supporting frame is arranged at a cash outlet of financial self-service equipment; the shutter is connected to the supporting frame; the fixed plate is fixedly connected onto a back surface of the shutter and is provided with a self-locking flat surface at an upper part; the drive plate is connected with the fixed plate, an unlocking oblique surface is arranged on one side of the drive plate and the drive plate can move for a certain distance relative to the fixed plate to drive the fixed plate to move in a linked manner; the locking mechanism is arranged on the supporting frame, the locking mechanism comprises a pin, the pin is locked on the self-locking flat surface of the fixed plate when the shutter is closed, and the pin is ejected out of the self-locking flat surface of the fixed plate by the unlocking oblique surface of the drive plate when the shutter is opened. The self-locking and unlocking functions of the shutter device disclosed by the utility model are realized mainly through the fixed plate with the self-locking flat surface, the drive plate with the unlocking oblique surface and the locking mechanism comprising the pin, the structure is simple, self-locking can be effectively realized and the reliability is high.