Patent ID: 8496442

Claim:
A combining structure of decorating shell for a ceiling fan, comprising: an outer shell whose top has an open end connecting to the environment and whose bottom has a surrounding surface, the surrounding surface having a connecting hole whose rim is formed with at least two opposite notches, each of which is bent downward to form a blocking rim that extends annularly around the connecting hole and gradually converges; wherein the end of the blocking rim near the notches is defined as a guide-in end and the farther end is defined as an urging end, with the diameter of the blocking rim converging gradually from the guide-in end toward the urging end; and a decorating cover in an annular shape and disposed on the surrounding surface of the outer shell; wherein the inner rim thereof is protruded upward with an inner ring wall to go through the connecting hole of the outer shell, the outer surface of the inner ring wall is protruded upward with protruding parts corresponding to the notches of the outer shell, and the protruding parts enter the blocking rim via the guide-in end thereof and are urged by the converging urging end of the blocking rim to position therein.