Loading box

The utility model discloses a loading box which comprises a box body and a box cover covering the top of the box body, the periphery of the box cover is vertically connected with a plurality of lock catch parts in a sliding mode, the lock catch parts are locked with the box body, and a driving assembly used for driving the lock catch parts to synchronously drive up and down is installed on the top of the box cover. The lower driving assembly comprises a screw rod which is in threaded connection with the top of the box cover, and the screw rod is provided with an abutting part which drives the locking part to move upwards. According to the utility model, the screw rod is rotated to drive the abutting part to upwards extrude the plurality of lock catch parts, so that the plurality of lock catch parts are driven to synchronously and upwards slide until the lock catch parts are locked with the box body, and the lock catch parts on the periphery of the box cover synchronously complete the locking between the box c