Patent ID: 8256736

Claim:
A mounting rack structure, comprising: a rack body having a support portion, and a plurality of spaced supporting legs extended from the support portion in predetermined directions; each of the supporting legs being provided near a distal end thereof with a mounting hole; a mounting hole adapter for assembling to each of the mounting holes provided near the distal ends of the supporting legs; the mounting hole adapter including a main body having at least one extension portion vertically extended from one of two opposite faces of the main body, each of the extension portions being provided at a distal end with a radially and horizontally outward extended first retaining flange; and the main body defining a central passage and having at least one second retaining flange located in the central passage; the extension portion being able to extend through the mounting hole on the supporting leg with the first retaining flange firmly pressing against one face of the supporting leg surrounding the mounting hole; and a fastening element for extending through each of the mounting hole adapters, the fastening element including a diameter-reduced section corresponding to the at least one second retaining flange, so that the fastening element is held to the mounting hole adapter through engagement of the diameter-reduced section with the second retaining flange, and can therefore be assembled to the supporting leg via the mounting hole adapter.