CN201049705Y

CN201049705Y - Economic electric bicycle

Info

Publication number: CN201049705Y
Application number: CNU2007201413276U
Authority: CN
Inventors: 郭文瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-14
Filing date: 2007-03-14
Publication date: 2008-04-23
Anticipated expiration: 2017-03-14

Abstract

The utility model relates to an economic electric bicycle. A derailleur is arranged inside a rear wheel shaft of an electric bicycle, or a driven gear disc is arranged on the lateral side of the wheel shaft; the gear speed of the derailleur or a chain-meshing gear can be converted through a tension cable by manual control to facilitate the form of speed change output of different drive torsions on the rear wheel; a one-way drive pedaling chain wheel connected by encircled chains is arranged on the front end of the bicycle frame; a motor which is powered by direct current and can generate high-speed rotation is fixedly arranged on the bicycle frame between the pedaling chain wheel and the rear wheel; through a chain, the motor is meshed with a transmission flywheel arranged on a motor wheel shaft and a guide wheel which goes around the lateral edge in the reversing direction; then the motor is meshed with the chain through the manual control of the derailleur or the driven gear disc to change the gear speed, so that the motor can drive the chain through the transmission flywheel and the pedaling chain wheel by manpower so as to drive the rear wheel of the bicycle; thereby, under different running conditions, a gear change device can be matched with electric power or manpower to reduce power loss and the limited electric power to increase the service life and the running practicality.

Description

The economic type electric bicycle

Technical field

The utility model relates to the practicality of a kind of economic type electric bicycle practicality.

Background technology

Because electric bicycle still can be used as running vehicle, and can not make problems such as waste gas and noise pollution except that tool leisure, loading function, therefore along with the storage battery development of technology, makes the use of electric bicycle and sales volume increase day by day; Right existing electric bicycle with the wheel shaft that motor bonded assembly drive transmission device and drive wheels are rotated, becomes the brand new design more, cause the manufacturing cost height, thereby price is rather expensive; Again in the situation of starting, climbing is travelled, when the motor horse power hour of installing, climbing is difficult for, get mat and change the size that voltage swing comes modulation motor speed and torsion, power consumption power is big, power consumption is fast but can cause, and still have the disappearance that climbing has some setbacks and easily causes motor to damage, and if the motor than high-power is installed and used in selection, then have the expense costliness, the problem that power consumption waste in level land is not calculated is sent a telegraph moving bicycle under limited storage battery electric power, how to impel power saving, increase endurance, the also target of endeavouring for the dealer, thereby have and studied the necessity that improves.

Summary of the invention

In view of this, the inventor is engaged in electric bicycle to manufacture and the design-calculated experience concentrated research long-pending ten several years, exhaust intelligence, at above disappearance, the method for seeking to improve, and have a fling at, and design this economical electric bicycle finally through experiment repeatedly.

Main purpose of the present utility model is providing a kind of economic type electric bicycle, be in the rear axle of electric bicycle, to install shaft transmission or the wheel shaft side is installed on the driven tooth wheel disc, making can be via manual mode with the shelves speed of pulling force cable wire conversion change-speed box or the gear of chain engages, to impel the speed change output that trailing wheel is formed different driving torsion, and the vehicle frame front end is installed on chain ring and tramples sprocket wheel around the bonded assembly unidirectional drive, and on the vehicle frame of trampling between sprocket wheel and trailing wheel, be installed with the motor that can produce high speed revolution with the D.C power supply, and make the transmission flywheel on the chain bridle joint motor wheel shaft that passes through and the guide wheel of reverse pile warp lateral margin therebetween, change the engagement of change-speed box or driven tooth wheel disc and chain by manual control, to change shelves speed, cooperation produces drive via trampling sprocket wheel to chain via transmission flywheel and manpower with motor, and then driving bicycle trailing wheel, make under different travel conditions, can electric power or manpower cooperate transmission system to be used, to reduce power consumption and to increase the utility model of the practicality of endurance with limited electric power.

Secondary objective of the present utility model is providing a kind of economic type electric bicycle, be to cooperate the zero member that utilizes most existing bicycles, manufactured, and unitary construction reduces the number of merely, and the tool economical and practical utility model that has competitive power with low cost.

To achieve these goals, the utility model provides a kind of economic type electric bicycle, is to include vehicle frame, motor, trample sprocket wheel and change-speed box; The vehicle frame of wherein said electric bicycle is for being same as general bicycle, and in the wheel shaft of trailing wheel, be installed on change-speed box, can be via the shelves speed of manual mode with pulling force cable wire conversion change-speed box, the vehicle frame front end then is installed on chain ring and tramples sprocket wheel around the bonded assembly unidirectional drive, make and trample crank and only can unidirectional drive trample the sprocket wheel rotation, otherwise then can't drive when trampling the sprocket wheel rotation and trample crank, on the vehicle frame of trampling between sprocket wheel and trailing wheel, be installed with in addition with the D.C power supply and can produce the motor of high speed revolution, and make the transmission flywheel on the chain bridle joint motor wheel shaft that passes through and the guide wheel of reverse pile warp transmission flywheel lateral margin therebetween.

The utility model also provides a kind of economic type electric bicycle, is to include vehicle frame, motor, trample sprocket wheel and change-speed box; The vehicle frame of wherein said electric bicycle is for being same as general bicycle, and be installed on the driven tooth wheel disc in the rear axle side, can be via manual mode with the different ingear driven gears of pulling force cable wire conversion driven tooth wheel disc with chain, the vehicle frame front end then is installed on chain ring and tramples sprocket wheel around the bonded assembly unidirectional drive, make and trample crank and only can unidirectional drive trample the sprocket wheel rotation, otherwise then can't drive when trampling the sprocket wheel rotation and trample crank, on the vehicle frame of trampling between sprocket wheel and trailing wheel, be installed with in addition with the D.C power supply and can produce the motor of high speed revolution, and make the transmission flywheel on the chain bridle joint motor wheel shaft that passes through and the guide wheel of reverse pile warp transmission flywheel lateral margin therebetween.

The advantage that the utlity model has: under different travel conditions, can electric power or manpower cooperate transmission system to be used, to reduce power consumption and to increase endurance with limited electric power, also can cooperate the zero member that utilizes most existing bicycles in addition, manufactured, need not brand-new design and die sinking, and unitary construction reduces the number of merely, have a competitive power and tool is with low cost.

Description of drawings

Fig. 1 is the schematic perspective view of the utility model embodiment;

Fig. 2 is the three-dimensional exploded view that the utility model motor is settled embodiment.

Description of reference numerals: 1 motor; 2 trample sprocket wheel; 3 change-speed boxs; 4 vehicle frames; 5 trailing wheels; 6 pulling force cable wires; 10 transmission flywheels; 11 guide wheels; 20 trample crank; 40 driven gears; 41 chains.

The specific embodiment

Now with regard to tectonic action of the present utility model and purpose thereof, cooperate graphic detailed description as after, just understand more:

Please cooperate and consult illustrated in figures 1 and 2ly, the utility model mainly is by motor 1, tramples sprocket wheel 2, change-speed box 3 and vehicle frame 4 and combined; The vehicle frame 4 of wherein said electric bicycle is for being same as general bicycle, and in trailing wheel 5 wheel shafts, be installed on change-speed box 3, also or be installed on the transmission system of the general bicycle of driven tooth wheel disc in the wheel shaft side, making can be via shelves speed or driven tooth wheel disc and the chain 41 ingear driven gears 40 of manual mode with pulling force cable wire 6 conversion change-speed boxs 3, to impel the speed change output transmission that trailing wheel 5 is formed different driving torsion, and vehicle frame 4 front ends are installed on chain 41 and trample sprocket wheel 2 around the bonded assembly unidirectional drive, make and trample crank 20 and only can unidirectional drive trample sprocket wheel 2 rotations, otherwise then can't drive when trampling sprocket wheel 2 rotations and trample crank 20, and on the vehicle frame of trampling 5 of sprocket wheel 2 and trailing wheels, be installed with D.C power supply and can produce the motor 1 of high speed revolution, and make the transmission flywheel 10 on chain 41 bridle joint motors 1 wheel shaft that passes through and the guide wheel 11 of reverse pile warp transmission flywheel 10 lateral margins therebetween.

The actual use when operating, can comply with different situations (as starting, climbing, descending ... the demand that waits), change the shelves speed of change-speed box 3 with pulling force cable wire 6 via manual mode, or chain 41 and driven tooth wheel disc ingear driven gear 40, to change shelves speed, cooperation produces drive via transmission flywheel 10 and manpower via trampling 2 pairs of chains of sprocket wheel 41 with motor 1, and then driving bicycle trailing wheel 5 forms different driving torsion output, when starter motor 1 drives transmission flywheel 10, and then when impelling chain 41 rotation, because trampling sprocket wheel 2 tramples crank 20 and impels and trample sprocket wheel 2 synchronous turns for becoming unidirectional drive structure, cause can not drive

Make under different travel conditions, can electric power or manpower cooperate transmission system to be used, to reduce power consumption and to increase endurance with limited electric power, also can cooperate the zero member that utilizes most existing bicycles in addition, manufactured, need not brand-new design and die sinking, and unitary construction reduces the number of merely, have a competitive power and tool is with low cost.

In sum, more than for being to the greatest extent part embodiment of the present utility model, but be not in order to restriction the utility model, cause according to intention spirit of the present utility model and feature, modifications forms a little, also should be included within this patent scope.

Claims

1. economic type electric bicycle is to include vehicle frame, motor, trample sprocket wheel and change-speed box; It is characterized in that: in the wheel shaft of trailing wheel, be installed on change-speed box, via the shelves speed of manual mode with pulling force cable wire conversion change-speed box, the vehicle frame front end then is installed on chain ring and tramples sprocket wheel around the bonded assembly unidirectional drive, make and trample crank and only can unidirectional drive trample the sprocket wheel rotation, on the vehicle frame of trampling between sprocket wheel and trailing wheel, be installed with motor, the transmission flywheel on the chain bridle joint motor wheel shaft that passes through and the guide wheel of reverse pile warp transmission flywheel lateral margin that can produce high speed revolution with the D.C power supply in addition therebetween.

2. economic type electric bicycle is to include vehicle frame, motor, trample sprocket wheel and change-speed box; It is characterized in that: be installed on the driven tooth wheel disc in the rear axle side, change the different ingear driven gears of driven tooth wheel disc via manual mode with the pulling force cable wire with chain, the vehicle frame front end then is installed on chain ring and tramples sprocket wheel around the bonded assembly unidirectional drive, make and trample crank and only can unidirectional drive trample the sprocket wheel rotation, on the vehicle frame of trampling between sprocket wheel and trailing wheel, be installed with motor, the transmission flywheel on the chain bridle joint motor wheel shaft that passes through and the guide wheel of reverse pile warp transmission flywheel lateral margin that can produce high speed revolution with the D.C power supply in addition therebetween.