Box cover locking mechanism

The utility model relates to a box cover locking mechanism which comprises a box body structure and a box cover structure which are hinged to each other, an installation cavity and an adjusting groove which are communicated with each other are formed in the box cover structure, a small motor is arranged on the inner side of the installation cavity, a lead screw is arranged at the output end of the small motor, and a locking mechanism is in threaded connection with the outer side of the lead screw. And a locking groove for adaptive locking is formed in the box cover structure. According to the box cover locking mechanism, the locking rod in the box cover structure can linearly move through electric control and is inserted into the locking groove in the box body structure for locking operation, the operation mode is very convenient and fast, and a plurality of sealing structures are arranged on the box cover locking mechanism, so that the sterilization cabinet structure has good sealing performance when being i