Reciprocating stepping type power-assisted bicycle
A technology for assisting bicycles and frames, applied to bicycles, two-wheeled bicycles, bicycle accessories, etc., can solve the problems of small useful effect, short effective force arm, high risk, etc., to achieve maximum effective power, increase shock resistance, and comfortable footing Effect
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Embodiment 1
[0074] Such as figure 1 Shown is a reciprocating pedaling driving device 500 of a reciprocating pedaling type power-assisted bicycle, which includes a driving rear wheel 510 and a rear wheel shaft 520, and the driving rear wheel 510 has the same rim 430 and tire 400 as the front wheel. The left and right sides of the frame 100 are respectively provided with a pedal handle 540 (only one of them is shown), a pedal 541 fixed on the pedal handle 540 and a sector-shaped active meshing wheel 542 of an internal ring gear structure, which is connected with the sector-shaped active engagement wheel. The one-way flywheel 543 with meshing teeth meshed with the meshing wheel 542, and the pedal 541 is fixed on the front end of the pedal handle 540, and the fan-shaped active meshing wheel 542 is fixed on the 540 rear end of the pedal handle, between the two ends of the pedal handle 540 There is a pin hole on the handle body between them, and a handle pin 544 is connected to the frame 100, a...
Embodiment 2
[0077] Such as figure 2 , 3 , shown as a two-stage series-connected gear-type pedaling one-way driver of the reciprocating pedaling drive device 500, which includes a one-way driving driving roller 521 directly fixed to the center of the rear wheel 510, and the left and right ends of the driving roller 521 A wheel shaft sleeve 5210 is fixedly connected to the top, and a rolling bearing 522 is arranged between the wheel shaft sleeve 5210 and the rear wheel shaft 520. A brake disc 524 is fixedly connected to one side of the driving roller 521; Gear 5211; left and right two one-way flywheels 543 include outer ring gear 5435 and traditional one-way ratchet mechanism-comprising ratchet ring 5432 on the outer ring surface of one-way flywheel 543 and one-way flywheel 543 The elastic ratchets 5431 on the inner ring 5430 are respectively movably matched with the inner ring 5430 on the hub 5210 on the same side. In addition, the one-way flywheels 543 on both sides are provided with th...
Embodiment 3
[0081] Such as Figure 4, shown as a two-stage series-connected sprocket type pedaling unidirectional driver of the reciprocating pedaling drive device 500, since the sector-shaped active meshing wheel 542 can also be an inner arc chain segment structure (not shown in detail), therefore, with the inner arc chain segment The one-way flywheel 543 of the sprocket outer ring type and the pedal one-way driver are engaged with the meshing wheel 542, which includes a one-way drive driving roller 521 directly affixed to the center of the rear wheel 510. The driving roller 521 has two left and right sides. A wheel shaft sleeve 5210 is fixedly connected to the end, a rolling bearing 522 is arranged between the wheel shaft sleeve 5210 and the rear wheel shaft 520, and a brake disc 524 is fixedly connected to one side of the driving roller 521; Ratchet gear 5211; left and right two one-way flywheels 543 include outer ring sprocket 5435' and traditional one-way ratchet mechanism-comprising...
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