Multi-layer storage box

The utility model relates to the technical field of classified storage boxes. The multi-layer storage box comprises a storage box body and a series of functional assemblies. Rectangular grooves are formed in the periphery of an inner cavity of the storage box body, and a first sliding mechanism and a second sliding mechanism are arranged in inner cavities of the rectangular grooves. Specifically, the first sliding mechanism comprises two first sliding grooves and two first sliding blocks, and the second sliding mechanism comprises a second sliding groove and a second sliding block. In addition, a clamping plate is further arranged in the inner cavity of the storage box body, and clamping grooves are formed in the periphery of the storage box body. When a worker presses the pressing rod, a second sliding block in the second sliding mechanism is squeezed and slides along a second sliding groove. At the moment, the second sliding block moves outwards under the action of the movable rod under the cooperation of t