Door lock structure for pet cage

The utility model discloses a door lock structure for a pet cage, which comprises a door lock clamping strip, a door lock upper clamping plate, a door lock lower clamping plate and a U-shaped buckle, when the cage door is closed, the U-shaped buckle is buckled into the upper buckle lock hole and the lower buckle lock hole, the U-shaped buckle makes contact with the upper arc-shaped buckle and the lower arc-shaped buckle on the door lock clamping strip, the upper arc-shaped buckle and the lower arc-shaped buckle are continuously and forcefully extruded, and the cage door is locked. Under the action of stress, the U-shaped buckle enables the door lock clamping strip to move upwards, the door lock clamping strip is movably connected to the upper fixing bolt and the lower fixing bolt through the upper limiting through hole and the lower limiting through hole and only can move at a certain position, and after the U-shaped buckle is buckled into the upper L-shaped door locking clamping groove and the lower L-shaped