Door lock mechanism, door body assembly and vehicle

The utility model discloses a door lock mechanism, a door body assembly and a vehicle. The door lock mechanism comprises a shell, a door body and a door body, the moving part is provided with a driving end and a matching end; the driving assembly is matched with the driving end to drive the moving part to reciprocate; the safety piece is movably arranged on the shell, the safety piece is matched with the matching end, and the moving piece drives the safety piece to move between an unlocking position and a locking position; the locking piece is matched with the safety piece so as to be driven by the safety piece to rotate; when the handle part and the safety piece are located at the unlocking position, the handle part is matched with the safety piece to drive the safety piece to rotate; and when the safety piece is located at the locking position, the handle part is separated from the safety piece. According to the door lock mechanism provided by the embodiment of the utility model, the door body can be locked