Torque sensor, power assisting device and power assisting bicycle

The utility model is suitable for the power assisting field, and provides a torque sensor, a power assisting device and a power assisting bicycle. The torque sensor comprises a center shaft which is fixedly provided with a first transmission member; the second transmission part is arranged on the mi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	XIAO LIZI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS CYCLE AXLE SUSPENSIONS CYCLE FRAMES CYCLE SADDLES OR SEATS CYCLE SIDE-CARS, FORECARS, OR THE LIKE CYCLE STEERING DEVICES CYCLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FORCYCLES TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model is suitable for the power assisting field, and provides a torque sensor, a power assisting device and a power assisting bicycle. The torque sensor comprises a center shaft which is fixedly provided with a first transmission member; the second transmission part is arranged on the middle shaft in a sleeving mode and can rotate relative to the middle shaft, and the second transmission part and the first transmission part are arranged in a spaced mode; the third transmission part is arranged outside the first transmission part and the second transmission part in a sleeving manner and is in meshing transmission with the same sides of the first transmission part and the second transmission part at the same time; the bearing seat is arranged outside the third transmission part in a sleeving mode, the third transmission part can rotate relative to the bearing seat, and the strain gauge is arranged on the outer wall of the bearing seat and used for detecting the voltage change value of the bearing se