Patent ID: 7342336

Claim:
A motor structure, including: a rotor centrally fixed with one end of a spindle, wherein the other end of said spindle is an end section having a reduced neck with an outer diameter less than that of said spindle; a base having a shaft tube and a stator set, wherein said shaft tube is a circular tube, and an end of said shaft tube is integrally formed on said base and closed so as to present a ␣-like cross section thereof, wherein an abrasive gasket, a limit member and a bearing are sequentially disposed in said shaft tube and said spindle is rotationally inserted therein, and wherein said limit member has an annular wall with a specific height, a central through hole, and a plurality of limit protrusions on an inner wall of said through hole, said plurality of limit protrusions extending at an oblique angle toward a center of said through hole for snapping onto said reduced neck and limiting an axial displacement of said spindle.