Door lock device for access door of drying box

The utility model discloses a door lock device for a drying box access door. The door lock device comprises a door frame, a sealing door, a connecting assembly, a door handle assembly and a lock catch assembly. One side of the sealing door is connected in the door frame in a matched mode through at least two connecting assemblies and used for being hinged to the sealing door. A door handle assembly is arranged on the other side of the sealing door, and the sealing door is connected with a lock catch assembly arranged on the door frame in a matched mode through the door handle assembly and used for closing and opening the sealing door. The door handle assembly, the rotating assembly and the locking assembly are arranged, the door handle assembly is matched with the rotating assembly to open the locking assembly when the access door deforms due to temperature, the tightness of the sealing door and the door frame is adjusted by adjusting the locking bolt on the locking assembly, the sealing performance is improv