CN200967533Y

CN200967533Y - Front-wheel driven electric bicycle

Info

Publication number: CN200967533Y
Application number: CN 200620138746
Authority: CN
Inventors: 张建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-04
Filing date: 2006-09-04
Publication date: 2007-10-31
Anticipated expiration: 2016-09-04

Abstract

The utility model relates to an electric bicycle driven by a forewheel. The rear wheel and forewheel of such electric bicycle adopt the same structure as the traditional bicycle and the forewheel shaft is provided a flywheel and in place of the front fork resembling the location of a front basket of the vehicle is horizontally provided a traditional DC motor. The wheel in the driving shaft of the motor connects the flywheel of the forewheel of the bicycle through a chain to drive by electric. The utility model keeps the bicycle light to a greatest extend and the structure is simple, the cost is cut while the power efficiency is improved.

Description

The f-w-d Electrical Bicycle

Technical field

The utility model is a kind of Electrical Bicycle that drives front-wheel with DC machine.

Background technology

At present, Electrical Bicycle mostly is to adopt rear wheel hub motors to drive on the market.Its advantage is that appearance design is succinct, shortcoming is a lot: 1 wheel hub motor is the product of producing for bicycle designs specially, and its material cost and technology cost are higher than the DC machine of traditional design far away, again because of its special mode of operation, cause its service life low, the maintenance cost height; The 2 bicycles load of trailing wheel in design are far longer than front-wheel, thus make the bigger power of main drive wheel inevitable requirement motor with trailing wheel, so the power efficiency of car load is low; 3 storage batterys do not have electricity or fault and when can only pedal by manpower, the passive rotation of motor has formed invalid " electrical generator ", and compare its " portability " with standard bicycle very poor.

Summary of the invention

The utility model adopts DC machine to drive the design of bicycle front-wheel in order to have overcome all shortcomings of rear wheel hub motors bicycle driven.

The front and back wheel of the utility model f-w-d Electrical Bicycle all adopts the structure same with the standard bicycle trailing wheel.The technical scheme that its technical matters that solves the utility model adopts is: adopted by direct supply, and DC machine, the electromechanical structure that control circuit is formed is as the driving bicycle of auxiliary power.Bicycle adopts the trailing wheel of tape drum brake apparatus; On front wheel spindle, be equipped with flywheel, by the horizontal installation one direct current motor of support, gear on the motor driving shaft and flywheel on the bicycle front-wheel linked the electronic transmission of realization by chain in the upper top position in front-wheel of preceding fork.

The beneficial effects of the utility model are, have kept the light characteristic of bicycle to greatest extent, and are simple in structure, and cost reduces, and the power efficiency improves.

Description of drawings

Fig. 1 is the right elevation of the utility model embodiment.

Fig. 2 is schematic circuit diagram of the present utility model.

Among the figure, 1. DC machine, 2. driven wheel, 3. chain, 4. flywheel, 5. battery compartment.

In Fig. 2, K1. headlight switch, K2. horn punch, K3. motor start switch, K4. total power switch; L1. head light, Y1. loudspeaker, ZD1. DC machine; T1. large power triode, the T2. large power triode; R0. speed adjusting resistance, the last biasing resistance of R1., biasing resistance under the R2..

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

The front and back wheel of the utility model f-w-d Electrical Bicycle all adopts the structure same with the standard bicycle trailing wheel.In the embodiment shown in fig. 1, the utility model has adopted by direct supply, DC machine 1, and the electromechanical structure that control circuit is formed is as the driving bicycle of auxiliary power.For making design more succinct, bicycle adopts the trailing wheel of tape drum brake apparatus; Preceding fork is upper above front-wheel, be equivalent to before the horizontal direct current motor 1 in position of bicycle basket; Driven wheel 2 is installed on the transmission shaft of DC machine 1, by cycle chain 3 flywheel 4 on gear on the motor driving shaft and the bicycle front-wheel is linked and realizes electronic transmission, move ahead thereby drive bicycle.Battery compartment 5 is used to lay lead-acid batteries.When motor is not worked and when only depending on manpower to ride, because the effect of flywheel 4, DC machine 1 is can passive rotation.The f-w-d Electrical Bicycle can be equipped with bulging brake apparatus on front wheel spindle, also can not rouse brake apparatus.

In Fig. 2, power supply is 24 volts of lead-acid batteries, by bicycle dextrorotation handle control speed adjusting resistance R0, thereby regulates motor speed to control road speed in specialized range.

Claims

1. f-w-d Electrical Bicycle, be to adopt by direct supply, DC machine, the electromechanical structure that control circuit is formed is as the driving bicycle of auxiliary power, it is characterized in that: on front wheel spindle, be equipped with flywheel,, gear on the motor driving shaft and flywheel on the front-wheel are linked by the horizontal installation one direct current motor of support in the upper top position in front-wheel of preceding fork by chain.

2, f-w-d Electrical Bicycle according to claim 1 is characterized in that: also be equipped with bulging brake apparatus on front wheel spindle.