CN2640891Y

CN2640891Y - Simple electric bicycle

Info

Publication number: CN2640891Y
Application number: CN 03232240
Authority: CN
Inventors: 胡望远
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-12
Filing date: 2003-06-12
Publication date: 2004-09-15
Anticipated expiration: 2013-06-12

Abstract

The utility model discloses a simple electric bicycle, comprising a handle bar(2), a front fork bracket(4), a saddle(20), a frame, rear and front wheel( 5, 15), a stand(14), a pedal, a controller(6) and a battery cell(7); wherein, the frame consists of a front frame(8) and a rear frame(21); the controller(6) and the battery cell(7) are arranged on the front frame(8); the handle bar(2) is provided with a speed governing handle(1) and braking handle(24); the front and the rear wheel(5, 15)are respectively provided with front braking assembly and rear braking assembly(3, 22); the rear frame(21) has a motor bearing(18) which is fixedly provided with a motor(19); the rear wheel(23) has a big flywheel(16) which is connected with the motor(19) with the help of a driving chain(17). Due to the structure, the drive mechanism applies a double flywheel structure; therefore, the pedal and the electromotion are non-interfering; and the utility model has the advantages of simple structure, great grade climbing ability, convenient exchange and repair, light frame, high efficiency and low cost.

Description

The simple type Electrical Bicycle

One, technical field

The utility model relates to a kind of Electrical Bicycle, and is particularly a kind of to the improved Electrical Bicycle of power drive.

Two, background technology

Its engine installation of existing Electrical Bicycle generally adopts wheel hub motor, is installed on the hind axle, is characterized in compact conformation, elegant in appearance.But exist that electric motor starting moment is little, efficient is low, hill climbing ability is poor, the cost height, repair the defective of difficulty, when adopting when foot-operated, the wheel hub motor rotor can be followed rotation, and produces counter electromotive force, increases foot-operated resistance by bike.Its power of the Electrical Bicycle that also has is arranged on the axis, adopts gear change, and driving device adopts same flywheel, when foot-operated, motor also can be followed rotation, foot-operated wasting time and energy, after motor was stuck, car just can not be ridden, and had the cost height equally, efficient is low, vehicle body is heavy, repairing is difficult.

Three, summary of the invention

Existing Electrical Bicycle is ridden with electric transmissio mechanism mutual interference mutually, efficient is low, vehicle body is heavy, cost is high in order to overcome, repair difficult disadvantage, the utility model provides a kind of employing round trip flight wheel construction, be independent of each other when motor and foot-operated work, and efficient height, cost are economized, vehicle body is light, repair simple type Electrical Bicycle easily.The technical scheme that its technical matters that solves the utility model adopts comprises handlebar, front forked frame, saddle, vehicle frame, front and back wheel, foot rest, foot pedal apparatus, controller, storage battery, vehicle frame is made up of front vehicle frame and back vehicle frame, controller and storage battery are arranged on the front vehicle frame, handlebar is provided with speed governing handle and brake handle, correspondence is provided with forward and backward brake assembly on the front and rear wheel, described back vehicle frame is provided with motor cabinet, be fixed with motor on the motor cabinet, hind axle is provided with big flywheel, and motor is connected with big flywheel by messenger chain.

Described foot pedal apparatus is made up of footstep mechanism, messenger chain and small flywheel, and small flywheel is arranged on the hind axle, and foot pedal apparatus is provided with chain guard.

Be fixed with respectively and the cooresponding mudwing of front and rear wheel on described front forked frame and the back vehicle frame.

After adopting said structure, adopt the round trip flight wheel construction during transmission, two cover drivings device make foot-operated and electronic being independent of each other, and are used alternatingly convenient, flexible, foot-operated light by bike; Adopt common electric machine to replace wheel hub motor, motor cost is original 1/5, and moment of torsion can improve 30%, and matching used controller also can lower the requirement, and that the motor transposing is repaired is convenient, it is strong to climb wave energy power; Have characteristics such as simple in structure, that grade climbing performance good, transposing is repaired conveniently, vehicle body is light, efficient is high, cost is low.

Four, description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of the utility model driving device.

Five, the specific embodiment

Fig. 1, shown in Figure 2, the specific embodiments of the utility model simple type Electrical Bicycle, it comprises handlebar 2, front forked frame 4, saddle 20, vehicle frame, front and back wheel 5,15, foot rest 14, foot pedal apparatus, controller 6, storage battery 7, vehicle frame is made up of front vehicle frame 8 and back vehicle frame 21, controller 6 and storage battery 7 are arranged on the front vehicle frame 8, handlebar 2 is provided with speed governing handle 1 and brakes 24, before, trailing wheel 5, before correspondence is provided with on 15, back brake assembly 3,22, described back vehicle frame 21 is provided with motor cabinet 18, be fixed with motor 19 on the motor cabinet 18, hind axle 23 is provided with big flywheel 16, and motor 19 is connected with big flywheel 16 by messenger chain 17.Described foot pedal apparatus is made up of footstep mechanism 11, messenger chain 12 and small flywheel 13, and small flywheel 13 is arranged on the hind axle 23, and foot pedal apparatus is provided with chain guard 10.In order to prevent that muddy water and dust from splashing, be fixed with respectively and front and rear wheel 5,15 cooresponding mudwinges 9 on described front forked frame 4 and the back vehicle frame 21.

Claims

1, a kind of simple type Electrical Bicycle, comprise handlebar (2), front forked frame (4), saddle (20), vehicle frame, front and back wheel (5,15), foot rest (14), foot pedal apparatus, controller (6), storage battery (7), vehicle frame is made up of front vehicle frame (8) and back vehicle frame (21), controller (6) and storage battery (7) are arranged on the front vehicle frame (8), handlebar (2) is provided with speed governing handle (1) and brakes (24), before, trailing wheel (5,15) before upward correspondence is provided with, back brake assembly (3,22), it is characterized in that: described back vehicle frame (21) is provided with motor cabinet (18), be fixed with motor (19) on the motor cabinet (18), hind axle (23) is provided with big flywheel (16), and motor (19) is connected with big flywheel (16) by messenger chain (17).

2, simple type Electrical Bicycle according to claim 1, it is characterized in that: described foot pedal apparatus is made up of footstep mechanism (11), messenger chain (12) and small flywheel (13), small flywheel (13) is arranged on the hind axle (23), and foot pedal apparatus is provided with chain guard (10).

3, simple type Electrical Bicycle according to claim 1 and 2 is characterized in that: be fixed with respectively and front and rear wheel (5,15) cooresponding mudwinges (9) on described front forked frame (4) and the back vehicle frame (21).