| 摘要 |
The invention relates to a spindle motor, comprising an electric motor (1) having a rotor (2) connected to a threaded spindle (5), the thread thereof engaging with a thread of a spindle nut (6) connected to a piston rod (14), wherein the spindle nut (6) having the piston rod (14) is axially guided in a housing part (15) of the spindle motor (1), wherein a guide part (9) is connected to the spindle nut (6) and the piston rod (14) for axially guiding the same, wherein the threaded spindle (5) is supported by means of bearings at the axial end area thereof facing the electric motor (1) or in a second housing part connected to the first housing part, wherein the threaded spindle (5) is supported on the piston rod (14) by means of a bearing (18) disposed on the threaded spindle (5) at the axial end area thereof facing away from the electric motor (1). |
