The invention discloses a double-crank connecting rod reciprocating bicycle, including a double-crank connecting rod mechanism and a speed variator, wherein the double-crank connecting rod mechanism includes a fixed chain wheel, a chain, a chain wheel, a chain wheel shaft, chain wheel seats, an eccentric wheel, an eccentric shaft, a frame connector, a central shaft, a connecting rod and a lever; the fixed chain wheel is fixedly connected with a cylindrical part on the frame connector by a flat key, the chain is connected with the fixed chain wheel and the chain wheel, the chain wheel and the chain wheel shaft are fixedly installed between the chain wheel seats, one end of the chain wheel shaft is fixedly connected with the eccentric wheel, the eccentric shaft is fixed at the eccentric center of the eccentric wheel and movably connected with the connecting rod, the other end of the connecting rod is movably connected with the lever, and the middle front part of the lever is movable connected with the frame; the bicycle is novel and unique in whole design; and the bicycle which is brand new, reliable in work, simple in structure, high in transmission efficiency, long in service life, comfort and stable in riding is provided.
Double-crank connecting rod reciprocating bicycle
2015-04-22
Patent
Electronic Resource
English
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |