Waterproof corrugated carton capable of preventing excessive deformation

The utility model discloses a waterproof type corrugated carton capable of preventing excessive deformation, which comprises a corrugated carton body, a reinforcing structure used for reinforcing the corrugated carton body is arranged in the corrugated carton body, the reinforcing structure comprises eight three-head supports arranged in the corrugated carton body, and the eight three-head supports are arranged in the corrugated carton body. And a group of adjusting assemblies are fixedly mounted between every two opposite ends of the eight three-head brackets. The clamping rod is pressed to retreat from the clamping hole, the limiting effect of the clamping rod on the rectangular adjusting rod disappears, the rectangular adjusting rod is pulled to move in the rectangular sleeve, the length of the rectangular adjusting rod is adjusted, and therefore the distance between the three-head supports is adjusted. And therefore, the size of the reinforcing structure is adjusted, the reinforcing structure can adapt to