Connection Structure of Storage Box

FIG. 1 is a top front perspective view of a connection structure of storage box showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a bottom front perspective view thereof.

The dashed broken lines in the figures show portions of the connection structure of storage box that form no part of the claimed design. The dot-dash broken lines illustrate a boundary which forms no part of the claimed design.