TITLE: AUTOMATIC SHIFTING MECHANISM OF ELECTRIC TRICYCLE Abstract An automatic shifting mechanism of an electric tricycle, comprising a transmission housing, characterized in that a main shaft, having an input gear, a backward gear and a forward gear mounted thereon, is provided inside the transmission housing, the input gear and the main shaft are in synchronous rotation connection, and the backward gear and the forward gear are in relative rotation connection with the main shaft; a chuck is provided on the main shaft, correspondingly to a position between the backward gear and the forward gear, the chuck and the main shaft are in relative and axial sliding connection and fixed oppositely in the circumferential direction; one end of the chuck is provided with backward grippers, and the other end thereof is provided with forward grippers; an end face of the backward gear is provided with backward gripper holes corresponding to the backward grippers, and an end face of the forward gear is provided with forward gripper holes corresponding to the forward grippers; the chuck is connected to a shift lever which extends to outside of the transmission housing and is fixed with a connecting rod; a shift motor, an output shaft of which has a shift gear mounted thereon, is provided outside the transmission housing; and a rack structure, which is collaborated with the shift gear, is provided on the connecting rod, and the shift gear is rotated to drive the connecting rod to do linear movement in the axial direction. t9 j I
AUTOMATIC SHIFTING MECHANISM OF ELECTRIC TRICYCLE
08.12.2016
Patent
Elektronische Ressource
Englisch
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