US Patent 11627801 Combined storage shelf

A combined storage shelf, including column combinations, connection and combination fasteners, beam structures, and storage layers. The column combinations include assembly holes. A snap-fit portion of a first connection and combination fastener is snapped to an assembly hole, to fix the first connection and combination fastener to the column combination. The engagement structure of the second connection and combination fastener corresponds to the engagement structure of the first connection and combination fastener, so that the first connection and combination fastener and the second connection and combination fastener are assembled together.