A pedal force detection mechanism for an electric-assisted bicycle includes a torque-transmitting member (1), a main thrust bearing (13), a strain sensing assembly (14), and a main drive gear (21). The torque-transmitting member (1) transmits and diverts a torque along a crankshaft's axial direction. The main thrust bearing (13) abuts against the torque-transmitting member (1) to transmit the diverted torque. The strain sensing assembly (14) has a strain gauge (16), resilient ring-shaped base (15), and supporting annular base (17). The supporting annular base (17) abuts against a shaft housing (5). An axial-strain gap (6) is defined between the supporting annular base (17) and the main thrust bearing (13). The resilient ring-shaped base (15) is fitted between the main thrust bearing (13) and the supporting annular base (17). A main gear (211) and an internally-connected ring body (210) of the main drive gear (21) are integrally formed with each other. An axial-movement gap (7) is defined between the torque-transmitting member (1) and the internally-connected ring body (210).
PEDAL FORCE DETECTION MECHANISM FOR ELECTRIC-ASSISTED BICYCLE
PEDALKRAFTDETEKTIONSMECHANISMUS FÜR FAHRRAD MIT ELEKTRISCHEM HILFSANTRIEB
MÉCANISME DE DÉTECTION DE FORCE DE PÉDALE POUR BICYCLETTE À ASSISTANCE ÉLECTRIQUE
2025-01-15
Patent
Electronic Resource
English
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE |
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