Patent ID: 7657170

Claim:
A motor structure with built-in lens comprising: a motor forming an internal thread on an inner surface thereof; a lens unit received in the motor and driven by the motor to telescopically move along an axis thereof, the lens unit comprising an upper portion and a lower portion forming an external thread to threadedly engage with the internal thread of the motor on an outer surface of the lower portion of the lens unit; and a dust cover mounted an upper end of the motor, the cover defining an opening for the upper portion of the lens unit to telescopically move therethrough, the lower portion of the lens unit being limited in the cover and prevented from being exposed to a surrounding environment of the motor structure with built-in lens during movement of the lens unit; wherein the motor comprises a stator and a rotor rotatably disposed in the stator, a plurality of protrusions extending upwardly from a top end of the stator, the cover defining a plurality of slots receiving the protrusions of the stator therein.