The invention discloses a gear drive assembly and a bicycle. The gear drive assembly comprises a positioning shaft, an input gear, an output gear and a clutch ring, wherein the input gear and the output gear sleeve the positioning shaft, and the clutch ring is arranged between the input gear and the output gear. The input gear is internally provided with an annular driving part extending towards the output gear. The driving part is uniformly provided with multiple irregularly-shaped holes. The angle between the central axis of each irregularly-shaped hole and the axis in the rotating direction of the driving part is less than 90 degrees. The clutch ring sleeves the driving part and is provided with positioning holes corresponding to the irregularly-shaped holes. The positioning holes and the corresponding irregularly-shaped holes are connected and fixed in pairs through pins. When the input gear rotates positively, the clutch ring is driven to be attached on the output gear. When the input gear stops rotating or rotates reversely, the clutch ring is separated from the output gear. According to the invention, technical problems that pedals of a conventional foot-operated bicycle cannot be separated from and combined with drive gears, and the conventional foot-operated bicycle is arduous to ride, is low in comfortableness and is low in security are solved. The gear drive assembly and the bicycle are simple in structure, are convenient to install and are high in practicality.
Gear drive assembly and bicycle
2016-01-06
Patent
Electronic Resource
English
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |