Chain accelerator of bicycle

• Main Author: RUNHAI ZHANG
• Format: Patent
• Language: English
• Published: 25.07.2007
• Subjects: CYCLES; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; PERFORMING OPERATIONS; POWERED PROPULSION OF SLEDGES OR; RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES; TRANSPORTING

The utility model relates to an accelerating device. More specifically, the utility model provides an accelerating device of bicycle chain which comprises a shaft sleeve, a sun wheel, a chain wheel and an end cover. One end of the shaft sleeve is mounted at the central hole of the chain wheel. The sun wheel is mounted at the shaft sleeve located at a space which comprises the chain wheel and the end cover. A bolt is used to connect chain wheel with the end cover. A bearing pin is mounted at the chain wheel. A planet gear is mounted at the bearing pin. A rolling body is mounted between the planet gear and the bearing pin. Another end of the bearing pin connects with the end cover. An inner gear ring is sleeved into the end cover. The planet gear meshes respectively with the sun wheel and the inner gear ring. The utility model possesses the advantages of a high riding speed and a lower level of physical energy consumption and is especially adapted to the application at a bumpy mountain road or a climbing road.