High -speed bicycle of pedal type

• Main Author: TONG WANCHENG
• Format: Patent
• Language: Chinese; English
• Published: 12.01.2018
• 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 provides a high -speed bicycle of pedal type, solved traditional bicycle speed change mechanism complicated, fragile, high -speed ride to pedal step on the too high and running -board structure of high -frequency and be unfavorable for riding the problem that passerby's shank was exerted oneself. Technical scheme is: epaxial first rim plate is connected with flywheel transmissionthrough a drive chain in the automobile body, the first rim plate outside is provided with drive gear, anterior axis is provided with the second rim plate, the second rim plate passes through the secondary drive chain and is connected with drive gear meshing transmission, first rim plate and second rim plate diameter are two to three times of the drive gear diameter, the crank sets up on the second rim plate, the running -board rear end is articulated through pivot and crank outer end, the running -board front end articulates there is the connecting rod, the connecting rod other end articulates on the anterior suppor