US Patent 9167915 Commodity shelving system

A commodity shelving system includes pillars, shelves and a fixing mechanism for fixing the shelves to the pillars, wherein the fixing mechanism has a plurality of pillar clamps and locking pieces having an amount corresponding to that of the pillar clamps; and the locking pieces are arranged at corners of the shelves. Each of the pillar clamps includes a left fastener and a right fastener mutually coupleable by a snap fit structure and respectively provided with a semicircular groove matched with the pillar and a protruded portion arranged at an outside of an end edge of the semicircular groove; and each of the locking pieces is provided with a clamping portion for coupling with the protruded portion of the pillar clamp.