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Power device of bicycle

A technology for power devices and bicycles, which is applied to chain/belt transmissions, vehicle components, vehicle gearboxes, etc., and can solve problems such as slowing down and reducing bicycle power

Inactive Publication Date: 2013-04-10
周红民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Now the pedaling point of the bicycle is in an arc motion. When the pedal reaches the bottom, the torque generated decreases, so that the force on the chain decreases, and the speed of the bicycle slows down. At this time, the pedaling force remains unchanged, but the power delivered to the bicycle decrease

Method used

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  • Power device of bicycle
  • Power device of bicycle
  • Power device of bicycle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Such as figure 1 As shown, a bicycle power device includes two pedals 1, a driving wheel and a transmission device connected between the pedals 1 and the driving wheel for transmitting force. The transmission device includes two vertical supports for supporting each pedal 1 respectively. The rod set and the connecting piece 4 which is sleeved on the support rod set and can slide up and down along the support rod 2 in the support rod set, the support rod 2 is connected with the vehicle frame and fixed, and the opposite ends of the two pedals 1 are fixed to On the corresponding connector 4; two sprocket sets are arranged between the two support rod sets, and a chain 3 is arranged between the sprockets 8 and 9 in each sprocket set, and the chain 3 is arranged between the two sprocket sets. The corresponding sprockets 8 and 9 between them are connected by a rotating shaft, and the corresponding rotating shaft 10 of the top sprocket is a power output shaft, and a pin 5 is fi...

Embodiment 2

[0022] Such as figure 2 As shown, the upper and lower ends of the pedal 1 are respectively provided with a sprocket 13,15, and one side of the pedal 1 is provided with a flywheel 14 connected with the bicycle drive wheel 16, and the chain 11 is connected to the upper and lower two sprockets 13,15 in sequence. and flywheel 14.

Embodiment 3

[0024] A sprocket 19 is respectively arranged above each pedal 1, and the chain 17 meshes with the two sprockets 19 and the two ends of the chain 17 are respectively connected to the two pedals 1, and an A shaft 23 is provided to connect one of the sprockets 19, and The A shaft 23 is connected with the A bevel gear 21 in a bevel gear set, and the B bevel gear 22 in the bevel gear set is provided with the B shaft 20, and the B shaft is provided with two drive sprockets 25, 26, and the bicycle Two flywheels 27, 28 are arranged on the wheel shaft 24 of the drive wheel 16, and the two drive sprockets 25, 26 are respectively cross-connected with the two flywheels 27, 28 correspondingly.

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Abstract

The invention relates to a power device of a bicycle. The power device comprises two pedals, a chain and chain wheels, wherein the pedals which do an up-down linear motion in a reciprocating manner under the action of pedal force are connected with the chain; and the chain is connected with the chain wheels and drives the chain wheels to rotate. According to the traditional bicycle, a crankshaft is used, the rotating torque for driving the crankshaft is changed and changes from 0 to maximum and from maximum to 0, and the tension torque is changed; and according to the power device disclosed by the invention, no crankshaft is used, a chain as a power part drives the chain wheels, the torque is constant, and therefore the tension force is constant. Therefore, the power device of the bicycle, disclosed by the invention, has the capability of improving the speed of the bicycle; and through calculation, the speed of the bicycle adopting the power device disclosed by the invention is improved by 57 percent compared with that of the traditional bicycle, and more labor is saved when people ride the bicycle.

Description

technical field [0001] The invention relates to a bicycle power device. Background technique [0002] Now the pedaling point of the bicycle is in an arc motion. When the pedal reaches the bottom, the torque generated decreases, so that the force on the chain decreases, and the speed of the bicycle slows down. At this time, the pedaling force remains unchanged, but the power delivered to the bicycle decrease. Contents of the invention [0003] The object of the present invention is to provide a bicycle power device for the deficiencies of the prior art, which can make the pedals move up and down in a straight line and improve the running speed of the bicycle. [0004] The technical solution of the present invention is that a bicycle power device includes two pedals, a chain and a sprocket, and the pedals that perform reciprocating up and down linear motions under the pedal force are connected to the chain, and the chain is connected to the sprocket and drives the chain Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62M1/28B62M9/02
Inventor 周红民
Owner 周红民
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