CPC E05F 15/63 (2015.01) [E05Y 2201/434 (2013.01); E05Y 2201/624 (2013.01); E05Y 2201/628 (2013.01); E05Y 2201/70 (2013.01); E05Y 2201/702 (2013.01); E05Y 2201/72 (2013.01); E05Y 2900/132 (2013.01)] | 9 Claims |
1. A drive mechanism, applied to an automatic door operator, the drive mechanism including a planetary reducer driven by an electric motor, and a drive shaft driven by the planetary reducer, wherein:
the planetary reducer includes a housing and a planetary gear train mounted in the housing;
the planetary gear train includes a final-stage planet carrier configured to output torque, and a center of the final-stage planet carrier is provided with a torque output hole; and
a first end of the drive shaft is detachably inserted in the torque output hole and is non-rotatably connected to the torque output hole, and a second end of the drive shaft extends out of the housing, wherein the first end of the drive shaft is provided with a first cutting surface, and the torque output hole is provided with a second cutting surface, the first cutting surface being engaged to the second cutting surface so that relative rotation between the torque output hole and the drive shaft is limited.
|