The hollow shaft motor according to the present invention comprises a motor housing 11 having a cylindrical shape; a housing cover assembly 12 coupled to an upper portion of the motor housing 11; a stator assembly 20 located in the motor housing 11 and in a lower portion of the housing cover assembly 12; a rotor assembly 30 located in the stator assembly 20 to rotate; a screw shaft 10 coupled to the rotor assembly 30 to rotate together; and a ball nut 17 coupled to the screw shaft 10 to move vertically, wherein the housing cover assembly 12 comprises a housing cover 121 having a sleeve 124 extended downwardly so as for the screw shaft 10 to be located inside, and an inner upward bending part 124B bent inwardly and heading upwardly is formed at the bottom end of the sleeve 124.
HOLLOW SHAFT MOTOR
HOHLWELLENMOTOR
MOTEUR À ARBRE CREUX
2025-06-11
Patent
Electronic Resource
English