Patent ID: 7522352

Claim:
A motor structure with built-in lens comprising: a motor having a stator and a rotor being rotatably received in the stator, a gap being defined between an inner surface of the stator and an outer surface of the rotor; a protrusion formed on the inner surface of the stator, the protrusion being arranged in the gap for supporting rotation of the rotor; and a lens unit received in the lens mount and driven by the motor to telescopically move along an axial direction thereof; wherein the rotor includes a cylinder-shaped magnet and a shell mounted on a top end of the magnet, the shell having a step-shaped outer surface and a bottom end engaging with the top end of the magnet, an internal thread being formed on an inner surface of the shell, the lens unit comprising an upper portion and a lower portion forming an external thread on an outer surface thereof to threadedly engage with the internal thread of the shell.