Bicycle crank convenient to install

The utility model discloses a bicycle crank convenient to install, which relates to the technical field of bicycles, and is characterized in that the bicycle crank comprises a crank shaft, crank rods and a positioning device, the crank rods are arranged on two sides of the crank shaft, the surface o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TIAN FENGGANG, TIAN JIANDONG, YU LIJUN, LI LANGANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	The utility model discloses a bicycle crank convenient to install, which relates to the technical field of bicycles, and is characterized in that the bicycle crank comprises a crank shaft, crank rods and a positioning device, the crank rods are arranged on two sides of the crank shaft, the surface of the crank shaft is sleeved and rotatably connected with a transmission rod, the positioning device is arranged on the surface of the crank shaft, and the positioning device comprises a positioning block. The positioning block is fixedly connected with the surface of the handle shaft, a sliding groove is formed in the surface of the positioning block, a limiting spring is fixedly connected to the inner wall of the sliding groove, a sliding block is inserted and slidably connected to the inner wall of the sliding groove, a guiding groove is formed in the surface of the positioning block, a limiting rod is inserted and slidably connected to the inner wall of the guiding groove, and the surface of the limiting rod is