Pure mechanical manual and electric two-in-one curtain

A pure mechanical manual and electric two-in-one curtain comprises a transmission shaft, a synchronizing mechanism, an electric mechanism and a manual mechanism, wherein the synchronizing mechanism is arranged on the transmission shaft in a sleeving mode and can slide along the transmission shaft. The synchronizing mechanism comprises a synchronizing assembly arranged on the transmission shaft in a sleeving mode, a driving disc arranged on the synchronizing assembly in a sleeving mode and a driving ring matched with the driving disc, first synchronizing female teeth meshed with the first synchronizing male teeth are arranged on one side of the synchronizing assembly, and second synchronizing female teeth meshed with the second synchronizing male teeth are arranged on the other side of the synchronizing assembly. A first roller is arranged on the driving ring, one end of the pull rope is connected to the first roller after bypassing the pull rope belt wheel, a plurality of convex teeth with inclined planes are