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Jumping bicycle

A bicycle and frame technology, applied in the field of bicycles, can solve the problems of low transmission efficiency and achieve high transmission efficiency, flexible and brisk riding

Inactive Publication Date: 2005-08-03
赵宽学
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiency of the low transmission efficiency of the above fitness jumping bicycle, the present invention provides a jumping bicycle with high transmission efficiency, flexible and brisk use

Method used

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  • Jumping bicycle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Such as figure 1 , figure 2 A kind of jumping bicycle shown comprises handlebar 1, vehicle frame 2, front wheel 3, rear wheel 18, seat 19, crank 5,21 and pedal 4,22, and pedal 4 is installed on the crank 5, and pedal 22 is installed on On crank 21, crank 5 and crank 21 can become slightly " V " font, and the middle part of two cranks is hinged on the vehicle frame 2 by axis 7. Respectively install a flywheel 16,17 on rear wheel 18 both sides, on the vehicle frame 2 corresponding two flywheel places respectively are installed with variable speed gear 12,13, variable speed gear 12,13 are coaxially fixed on by a large gear and a pinion. Form together, change the number of teeth difference of large and small gears, can change transmission speed, connect with chain 14,15 respectively between the bull gear of two transmission gears 12,13 and two flywheels 16,17. A chain or a winding rope 10 is connected to the crank 21, and the chain or the winding rope 10 is wound on the ...

Embodiment 2

[0017] Such as image 3 , Figure 4 A kind of jumping bicycle shown comprises handlebar 1, vehicle frame 2, front wheel 3, rear wheel 18, seat 19, crank 5,21 and pedal 4,22, and pedal 4 is installed on the crank 5, and pedal 22 is installed on On the crank 21 , one end of the crank 5 and the crank 21 is hinged on the vehicle frame 2 by the central axis 7 . Two flywheels 16,17 are also coaxially installed on the vehicle frame 2, coil springs 24,25 are respectively installed between the flywheels 16,17 and the vehicle frame 2, and one end of the chain or the winding rope 10,11 is respectively wound and fixed on the On the flywheel 16,17, the other end of chain or winding property rope 10,11 is connected on the crank 21,5, and sprocket wheel 23 is installed on the central axis of flywheel 16,17, and the flywheel 017 on sprocket wheel 23 and trailing wheel 18 Connect with chain 15 between. When in use, hold the handlebar 1, step on the pedals 4 and 22 with both feet, step on th...

Embodiment 3

[0019] Such as Figure 5 , Figure 6 A kind of jumping bicycle shown comprises handlebar 1, vehicle frame 2, front wheel 3, rear wheel 18, seat 19, crank 5,21 and pedal 4,22, and pedal 4 is installed on the crank 5, and pedal 22 is installed on On the crank 21, the crank 5 and the crank 21 are bent upward respectively, the middle parts of the two cranks are hinged on the vehicle frame 2 by the central shaft 7, and the upper ends of the two cranks are connected with the seat tube 20 to form an inverted "U" shape, and the seat tube 20 Seat 19 is installed on it. Respectively install a flywheel 16,17 on rear wheel 18 both sides, on the vehicle frame 2 corresponding two flywheel places respectively are installed with variable speed gear 12,13, variable speed gear 12,13 are coaxially fixed on by a large gear and a pinion. Form together, change the number of teeth difference of large and small gears and can change transmission speed, connect with chain 14,15 respectively between t...

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Abstract

The jumping bicycle includes frame, handlebar, front wheel, back wheel and saddle, as well as two characterized pedals and two cranks. The two cranks are hinged through the middle shaft to the frame and can move within certain range limited with the limiting block to drive the bicycle forwards via chain or flexible rope and two flywheels driving the back wheel. The jumping bicycle has high transmission efficiency and light and flexible riding, and may be used in replacing walking and for building body.

Description

technical field [0001] The invention relates to a bicycle, in particular to a bicycle driven by jumping up and down with both feet. Background technique [0002] Chinese patent ZL01237057.6 discloses a fitness jumping car, which includes front and rear wheels, handrails, frame, seat plate and transmission mechanism, and a pedal is fixed on the front of the frame, and the movable end of the pedal passes through Chains, racks or balance wheels drive the wheels forward, and a compression spring is installed between the bottom of the pedals and the bottom beam of the frame. When this kind of fitness jumping bike is used, the pedals are pressed down with both feet, and the wheels are driven one way through the transmission mechanism. Rotating, because the bottom of the pedal is equipped with a stage spring, part of the power consumption is on the compression stage spring, and the transmission efficiency is reduced. Contents of the invention [0003] In order to overcome the de...

Claims

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Application Information

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IPC IPC(8): B62K3/00B62M1/24
Inventor 赵宽学
Owner 赵宽学