Environment-friendly plastic coaming box with packaging function

The invention provides an environment-friendly plastic coaming box with a packaging function, and relates to the technical field of coaming boxes, the environment-friendly plastic coaming box comprises a base, a coaming body is arranged at the top of the base, a top cover is arranged at the top of the coaming body, a protection mechanism is arranged at the top of the top cover, partition plates are arranged in the coaming body, the protection mechanism comprises a rotating block, and a rotating pipe is arranged at the bottom of the rotating block; a main gear is welded to the outer surface of the rotating pipe, one side of the outer surface of the main gear is in meshed transmission connection with a secondary gear, and a threaded pipe is welded to the inner surface of the secondary gear. According to the protection mechanism, the top and the bottom of the partition plate are limited through internal assemblies of the protection mechanism in cooperation with the top cover and the base, the partition plate is