Adjustable lift combined type shelf

An adjustable lift combined type shelf, comprising:

• a plurality of post components each comprising a tube and a plurality of holes respectively, wherein each of the plurality of holes has a first length;
• and wherein each of the post components has an upper end and a lower end opposite to the upper end, and at least one of the holes is disposed at the upper end and at least one of the holes is disposed at the lower end of each of the post components;
• a plurality of assembly fixtures each having at least one assembly column,
• wherein each of the assembly columns is installed in a corresponding hole from the plurality of holes to assemble the assembly fixtures at the upper end and the lower end of each of the post components respectively;
• a plurality of fastening holes each having a closing end respectively, wherein each of the plurality of fastening holes has a second length that is longer than the first length;
• and
• a plurality of storage layers each comprising a movable shelf, four sleeve components, and four assembly elements respectively;
• wherein the four sleeve components are respectively arranged at four corners of each movable shelf;
• each of the sleeve components is provided with a corresponding assembly element from the four assembly elements;
• a protruding cylinder is arranged on one side of each of the assembly elements, each of the protruding cylinders is located inside a corresponding sleeve component from the four sleeve components, a size of each of the four sleeve assemblies is larger than a size of the tubes, the storage layers are configured to move along the second length of respective fastening holes in an assembly direction to adjust the height of each movable shelf;
• each of the protruding cylinders is respectively engaged within a corresponding fastening hole from the plurality of fastening holes to assemble the storage layers between the post components;
• the four sleeve components in the storage layers that correspond to the upper end and the lower end of each of the post components respectively are attached to an outer surface of a corresponding assembly fixture from the plurality of assembly fixtures.