CN201021109Y - Minitype electric automobile - Google Patents

Minitype electric automobile Download PDF

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Publication number
CN201021109Y
CN201021109Y CNU2007200838692U CN200720083869U CN201021109Y CN 201021109 Y CN201021109 Y CN 201021109Y CN U2007200838692 U CNU2007200838692 U CN U2007200838692U CN 200720083869 U CN200720083869 U CN 200720083869U CN 201021109 Y CN201021109 Y CN 201021109Y
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CN
China
Prior art keywords
frame
wheel
trailing wheel
hanger
bracket
Prior art date
Application number
CNU2007200838692U
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Chinese (zh)
Inventor
刘恒文
刘子颀
Original Assignee
刘恒文
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 刘恒文 filed Critical 刘恒文
Priority to CNU2007200838692U priority Critical patent/CN201021109Y/en
Application granted granted Critical
Publication of CN201021109Y publication Critical patent/CN201021109Y/en

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Abstract

The utility model relates to a small electric vehicle. A main frame 11 is groundedly welded into a rectangular frame by four thin wall flat steel pipes, a rear suspension bracket 4, a rear frame 9 and a structure frame 36 form a stable triangle, a vehicle rear frame 1, the rear suspension bracket 4 and the structure frame 36 form two stable triangles at a vehicle rear position, a front wheel frame 18, a front suspension bracket 22 and the structure frame 36 form a stable triangle at a front-wheel position, a vehicle head frame 26, the front suspension bracket 22 and the structure frame 36 form a stable triangle at a vehicle head position. The utility model drives rear wheels through two high speed in-wheel drive motors, not only a bulky internal combustion engine is removed, but also the utility model replaces the traditional motor driving concentratedly, the middle conversion and transmission joint of a reducing device, a respective motion device and a diversion transmission device are omitted, and the traditional mechanical difference speed system is replaced by an electric vehicle electromagnetic direction control system, the vehicle weight is greatly decreased, and the installation space of the motor is saved. Because of the light mixed frame, the entire vehicle weight is further reduced, the structure is simplified, the cost is reduced, and the drive efficiency is improved, thus the utility model is characterized in that the structure is simple, the energy is saved, and the environment is protected.

Description

Miniature electric automobile
Technical field
The utility model relates to automobile, particularly relates to a kind of miniature wheel hub electronlmobil.
Background technology
As everyone knows, automobile is subjected to people's generally favor as the vehicle that the mankind take a bus instead of walking.After particularly automobile entered average family, the sales volume of automobile increased with surprising rapidity, and various function, and the automobile of various styles and specification emerges in an endless stream on market.The appearance of automobile has brought convenience to people really, has enriched life, has promoted society and economic very big development.Yet because noise, discharge of harmful gases and the car load efficient of internal combustion automobile are low, the energy consumption height has caused excessively expending of the gross pollution and the energy for social environment and air environment.For this reason, people put forth effort to research and develop the electronlmobil of energy-conserving and environment-protective, and up to now, though electronlmobil is few in number, also not really ripe, it is representing the direction of automobile Future Development.The electronlmobil of Chu Xianing roughly has two classes in the market: one is still with the exploitation of the thinking of traditional internal combustion automobile, causes complex structure, car weight excessive, as tour bus, golf course car etc.; It two is a hybrid vehicle, and its structure is not only simplified, and owing to increased power driven system, causes car heavier, and price is higher.Therefore limited applying and developing of electronlmobil.
Summary of the invention
The purpose of this utility model provide a kind of simple in structure, in light weight, volume is little, cost is low, the miniature electric automobile of energy-conserving and environment-protective.
To achieve these goals, the technical scheme of the related miniature electric automobile of the utility model is like this.
This miniature electric automobile is by mixing vehicle frame, rear wheel drive system, front-wheel direct system, bicycle shed mounting system, bicycle shed, and power supply and control system are formed; Mixing vehicle frame is made of main car frame, trailing wheel vehicle frame, front wheel frame, headstock frame, tailstock frame, back hanger bracket, front overhang hanger, structure-steel framing, back suspension plate, front overhang link plate and base mounting bracket; Rear wheel drive system is made of back pendulum spring, back suspension plate, rear drive sprocket, hind axle, trailing wheel spindle nose, rear shock absorber, back hanger bracket, semiaxis hinge, base mounting bracket, trailing wheel semiaxis, back suspension groove and wheel hub motor; The front-wheel direct system is by front-wheel, front wheel spindle, front-wheel spindle nose, front overhang link plate, preceding shock absorber, forward mounting spring, front overhang hanger, semiaxis hinge, base mounting bracket, front-wheel semiaxis, and front-wheel steering axle and front overhang hanging groove constitute; The bicycle shed mounting system is by tailstock door bracket, tail shell support, middle door bracket, preceding door bracket, and tailstock frame and headstock are configured to; Bicycle shed is made of tailstock door, back car shell, middle car door, driver door, headstock shell, car roof and door glass; Control system is by instrumentation operations station, bearing circle, brake pedal, the speed pedal, gear and electric machine controller constitute, it is characterized in that, the main car frame of described mixing vehicle frame on the spot is welded into square bearer by 4 band steel pipes, the trailing wheel vehicle frame with 6 with the band steel pipe of aforementioned same specification and the staggered on the spot welding of main car frame, the lower end of back hanger bracket is welded on the trailing wheel vehicle frame, the upper end of back hanger bracket joins by structure-steel framing and main car frame, make the back hanger bracket, trailing wheel vehicle frame and structure-steel framing constitute a stable triangle, tailstock frame is welded into square steel tube, combine with the back hanger bracket, tailstock frame, back hanger bracket, structure-steel framing constitutes two stable triangles at tailstock position, fuse with the trailing wheel vehicle frame, front wheel frame is staggered on the spot integrally welded with band steel pipe and main car frame, the lower end of front overhang hanger is welded on the front wheel frame, the upper end of front overhang hanger is welded on the main car frame by structure-steel framing, make front wheel frame, the front overhang hanger, structure-steel framing forms a stable triangle at the front-wheel position, the headstock frame is welded into square steel tube, the headstock frame, the front overhang hanger, structure-steel framing constitutes a stable triangle, back suspension plate at headstock part, the front overhang link plate is welded on respectively on back hanger bracket and the front overhang hanger; Described rear drive sprocket is assemblied in the outer end of trailing wheel spindle nose by rear drive wheel shaft, wheel hub motor is assemblied on the drive wheel, one end of the inner of trailing wheel spindle nose and trailing wheel semiaxis is fixedly linked, the other end of trailing wheel semiaxis has been installed trailing wheel semiaxis hinge and has been connected on the base mounting bracket, base mounting bracket is welded on trailing wheel vehicle frame and the tailstock frame, make rear drive sprocket laterally (about) location, the trailing wheel spindle nose is embedded in the suspension groove of back with movable fit structure, make vertically (front and back) location of rear drive sprocket, the one end was assemblied on the upper surface of trailing wheel spindle nose after rear shock absorber put the back pendulum spring, the other end of rear shock absorber is assemblied under the suspension plate of back, make the trailing wheel spindle nose according to being pressed in load on the drive wheel different road conditions when travelling, movable in the suspension groove of back, free vertical adjustment in the suspension groove of back, the drive torque that is produced by wheel hub motor drive rear drive sprocket is delivered to the back hanger bracket by the trailing wheel spindle nose simultaneously, press the mounting structure sequence delivery again to main car frame, the trailing wheel vehicle frame, structure-steel framing drives automobile and advances or retreat on front overhang hanger and the front vehicle wheel; Described front-wheel direct system, its structure is identical with rear wheel drive system with suspension, just the front-wheel steering axle is fixed on the front wheel spindle, and vertically pass the front-wheel spindle nose, front-wheel can be rotated in the front-wheel spindle nose by cymbals front-wheel steering axle, and the front-wheel steering axle that stretches out cooperates traditional steering hardware to carry out turning to of front-wheel.
Miniature electric automobile described in the utility model, it is characterized in that when adopting the power lead-acid battery, power supply is formed by afterbody battery pack, middle cell group and the connection of preceding battery pack, when adopting lithium ion battery, whole power supply is installed in the position of main car frame middle cell group.
Miniature electric automobile described in the utility model is characterized in that, the square type thin-wall steel tube that described band steel pipe is 30 * 60 * 2mm, square steel tube are the positive square steel tube of the thin-walled of 30 * 30 * 2mm.
That the related miniature electric automobile of the utility model has is simple in structure, reasonable in design, in light weight, energy consumption is little, technology simple specification, energy-conserving and environment-protective, safety and comfort, cheap, be easy to realize characteristics such as industrialized mass.This electronlmobil is with two light and handy high speed wheel hub drive motor direct drive rear wheels, not only removed heavy combustion engine, and replaced the electrical motor of traditional centralized driving, both greatly reduced car weight, saved the installing space of motor, also save buffering and transmission links such as speed reduction gearing, transfer device and break-in driving device, further alleviated weight, simplified the structure, reduced cost, improved drive efficiency.According to initial estimate, after propulsion source changed high speed wheel hub drive motor into by combustion engine, only the weight of drive part had approximately alleviated 300kg (supporting therewith novel power source sees another utility model patent " electronlmobil high speed wheel hub drive motor " that the applicant submits to simultaneously for details).This car wheel flutter is still with existing ripe steering hardware, and the differential that trailing wheel produces during motor turning, then utilize the branch wheel drive and the good speed adjusting performance of DC machine of rear drive sprocket, in this car design and installation " electronlmobil electromagnetism heading control loop " (having declared the 3rd utility model patent simultaneously by another applicant of this case), by the control bearing circle, the impulse singla that turns to about making sensor output corresponding, and pass through electric machine controller, adjust the differential of double rear wheel motor at random, reach front-wheel guiding trailing wheel differential and cooperate the purpose that turns to, saved heavy mechanical differential system.The vehicle frame of this automobile adopts stablizes closed-in construction, vehicle frame becomes an organic whole, main car frame is vertical stressed vehicle frame with the front and rear wheel vehicle frame, they are not only relatively independent but also interlaced, the forward and backward beam of main car frame extends to the middle part of front and rear wheel vehicle frame, and the tail end of front and rear wheel vehicle frame is deep in the main car frame, has not only realized proper function, also structurally strengthen mutually, complement one another on stressed; In order to improve stability and to bear heavy burden load and the ability of horizontal motion impact, key position at vehicle frame increases oblique cloth structure frame, stressed load bearing stength and the horizontal impact intensity of concentrating, construct the weak hanger bracket of relative thin is increased greatly, guaranteed the load capacity of car load and the stability of motion.
Electronlmobil is owing to the high speed wheel hub drive motor with portable and effective has replaced traditional combustion engine, the mechanical differential system that has replaced the internal combustion automobile with advanced person's " electronlmobil electromagnetism heading control loop ", the load of vehicle frame is alleviated greatly, vehicle frame could adopt the lightweight thin-wall steel tube to make, vehicle frame and suspension weight further alleviate like this, so the weight of car load is about 1/3 of orthodox car.Simultaneously because this car is positioned the city Personal Transporter, and the F-Zero of this car is decided to be 60km/h, and optimum speed is decided to be 40km/h, and therefore, the driving power of car load is very little, is about 1/10 of orthodox car, and is very energy-conservation, and last person's gas not.This miniature electric automobile can be widely used in the family and the fields such as sightseeing, recreation ground in common city.
Description of drawings
Fig. 1: miniature electric automobile car load scheme drawing;
Fig. 2: miniature electric automobile car load A-A view as shown in Figure 1;
Fig. 3: miniature electric automobile vehicle frame schematic perspective view;
Fig. 4: rear drive sprocket birds-eye view;
Fig. 5: rear drive sprocket back view;
Fig. 6: front-wheel birds-eye view;
Fig. 7: front-wheel axis of orientation structural representation.
Among the figure, 1-tailstock frame, 2-afterbody battery pack, car shell behind the 3-, hanger bracket behind the 4-, 5-hind axle, pendulum spring behind the 6-, suspension plate behind the 7-, 8-rear drive sprocket, 9-trailing wheel vehicle frame, 10-back seat, 11-main car frame, car door among the 12-, 13-middle cell group, 14-seat frame, the 15-electric machine controller, 16-front-row seats, 17-front overhang hanging groove, the 18-front wheel frame, battery pack before the 19-front chair frame, 20-, the 21-driver door, 22-front overhang hanger, 23-front wheel spindle, 24-front-wheel spindle nose, 25-front-wheel, 26-headstock frame, 27-headstock shell, 28-bearing circle, 29-instrumentation operations station, 30-tailstock door, 31-tailstock door bracket, 32-trailing wheel backplate, 33-trailing wheel spindle nose, 34-rear shock absorber, suspension groove behind the 35-, the 36-structure-steel framing, 37-tail shell support, 38-car roof, door bracket among the 39-, 40-door glass, 41-gear, door bracket before the 42-, 43-front-wheel backplate, 44-front overhang link plate, shock absorber before the 45-, 46-forward mounting spring, 47-brake pedal, 48-speed pedal, 49-hinge stub, 50-front-wheel steering axle, the manned vehicle frame of 51-, 52-semiaxis hinge, 53-base mounting bracket, 54-trailing wheel semiaxis, the 55-wheel hub motor, 56-front-wheel semiaxis.
The specific embodiment
The miniature electric automobile that the utility model is alleged 1 to 7 is described in detail as follows to its specific embodiment in conjunction with the accompanying drawings:
Embodiment 1: this miniature electric automobile is formed (seeing Fig. 1, Fig. 2) by mixing vehicle frame, rear wheel drive system, front-wheel direct system, bicycle shed mounting system, bicycle shed, power supply and control system.Mixing the vehicle frame (see figure 3) is made of main car frame 11, trailing wheel vehicle frame 9, front wheel frame 18, headstock frame 26, tailstock frame 1, back hanger bracket 4, front overhang hanger 22, back suspension plate 7, front overhang link plate 44 back seat framves 14, front chair frame 19 and base mounting bracket 53.Rear wheel drive system is by back pendulum spring 6, back suspension plate 7, back hanger bracket 4, semiaxis hinge 52, hinge support 53, rear drive sprocket 8, trailing wheel spindle nose 33, rear shock absorber 34, trailing wheel semiaxis 54, back suspension groove 35 and wheel hub motor 55 constitute (seeing Fig. 2, Fig. 4, Fig. 5).The front-wheel direct system constitutes (seeing Fig. 2, Fig. 6, Fig. 7) by front-wheel 25, front-wheel spindle nose 24, front overhang link plate 44, preceding shock absorber 45, forward mounting spring 46, front-wheel semiaxis 56, front-wheel steering axle 50 and front overhang hanging groove 17.The bicycle shed mounting system constitutes (see figure 1) by tailstock door bracket 31, tail shell support 37, middle door bracket 39, preceding door bracket 42, tailstock frame 1 and headstock frame 26; Described support is all used lightweight band steel pipe, and (20 * 30 * 2mm) process.Bicycle shed is made of tailstock door 30, back car shell 3, middle car door 12, driver door 21, headstock shell 27, car roof 38 and door glass 40.Control system is made of instrumentation operations station 29, bearing circle 28, brake pedal 47, speed pedal 48, gear 41 and electric machine controller 15.The main car frame 11 of described mixing vehicle frame on the spot is welded into square frame by 4 30 * 60 * 2mm rectangular steel pipes, 6 homotype rectangular steel pipes of trailing wheel vehicle frame 9 usefulness and main car frame 11 staggered on the spot welding, the lower end of back hanger bracket 4 is welded on the trailing wheel vehicle frame 9, the upper end of back hanger bracket 4 links to each other with main car frame 11 by structure-steel framing 36, make back hanger bracket 4, trailing wheel vehicle frame 9 constitutes a stable triangle with main car frame 11, tailstock frame 1 usefulness 30 * 30 * 2mm square steel tube is welded into tailstock frame 1, back hanger bracket 4, structure-steel framing 36 constitutes two stable triangular forms at tailstock position, make tailstock frame 1, back hanger bracket 4 fuses with rear wheel frame 9; Front wheel frame 18 usefulness 30 * 60 * 2mm rectangular steel pipe and main car frame 11 are staggered on the spot integrally welded, the lower end of front overhang hanger 22 is welded on the front wheel frame 18, the upper end of front overhang hanger 22, be welded on the main car frame 11 by structure-steel framing, make front wheel frame 18, front overhang hanger 22, structure-steel framing 36 constitute a stable triangle at the front-wheel position, the headstock frame is used with shape square steel tube and is welded into, and headstock frame, front overhang hanger, structure-steel framing also constitute a stable triangle at headstock part; Back suspension plate 7, front overhang link plate 44 are welded on respectively on back hanger bracket 4 and the front overhang hanger 22, and preceding seat frame 19, back seat frame 14 are fixed on the main car frame 11 and (see Fig. 1, Fig. 3).Described rear drive sprocket 8 is assemblied in the outer end of trailing wheel spindle nose 33 by rear drive wheel shaft 5, one end of the inner of trailing wheel spindle nose 33 and trailing wheel semiaxis 54 is fixedly linked, the other end of trailing wheel semiaxis 54 is installed semiaxis hinge 52, and be connected on the base mounting bracket 53, base mounting bracket 53 is welded on rear wheel frame 9 and the tailstock frame 1, make rear drive sprocket 8 laterally (about) location; Trailing wheel spindle nose 33 running-fits are embedded in the suspension groove 35 of back, make rear drive sprocket 8 vertical (front and back) location, after rear shock absorber 34 puts back pendulum spring 6, the one end is assemblied on the upper surface of trailing wheel spindle nose 33, the other end of rear shock absorber 34 is assemblied in the back suspension plate 7 times, make the load that is pressed on the drive wheel 8 and running car when different road conditions, trailing wheel spindle nose 33 is up and down in rear suspension groove 35, free vertical adjustment, protect the stable and comfortable of positive running car, drive the propulsive effort that rear drive sprocket 8 produces by drive motor 55 simultaneously, be delivered to back hanger bracket 4 by trailing wheel spindle nose 33, rear wheel frame 9, press the mounting structure sequence delivery again to main car frame 11, structure-steel framing 36, on front overhang hanger 22 and the front vehicle wheel 25, and propelling vehicle advances or falls back.Described front-wheel direct system, its front vehicle wheel 25, be assemblied in the outer end of front-wheel spindle nose 24 by front wheel spindle 23 and front-wheel steering axle 50, an end of taking turns semiaxis 56 is being fixed in the inner of front-wheel spindle nose 24, the other end of front-wheel semiaxis 56 is equipped with wheel semiaxis hinge 52 and is connected on the base mounting bracket 53, base mounting bracket 53 is welded on the front wheel carrier 18 and the front truck headstock (26), make front-wheel 25 laterally (about) location, front-wheel spindle nose 24 running-fits are embedded in the front suspension groove 17, make front-wheel 25 vertical (front and back) location, preceding shock absorber 45 puts the forward mounting spring plate 44 times, make front-wheel spindle nose 24 according to carload on the front-wheel 25 and driving road-condition, vertical adjustment freely, movable in front suspension groove 17, guarantee the steady and comfortable of car load, front-wheel steering axle 50 is vertically fixed on the front wheel spindle 23, pass front-wheel spindle nose 24, and be that the axle center horizontally rotates about 80 with front-wheel steering shaft 50., mix conventional steering mechanism by front-wheel steering axle 50, two-wheel 25 turns to (Fig. 7) before the control.Power supply adopts the power lead-acid battery, is connected by afterbody battery pack 2, middle cell group 13 and preceding battery pack 20 to form.Power supply is installed in and mixes on the vehicle frame.Described miniature electric automobile is put in order long 2.7m, wide 1.25m, high 1.3m, and height is 0.18m at the bottom of the car, wheelspan 0.9m, wheelbase 1.9m, respectively two of 4 front-row seats 16 of staffing and back seats 10.The about 400kg of complete vehicle weight, load carrying ability are 300kg.
Embodiment 2: the power supply of this described miniature electric automobile adopts lithium ion battery, and whole power supply is installed in the middle part of main car frame 11, i.e. the position of battery pack 13, and other technical characterictic and relevant zero other parts and embodiment 1 are identical.Complete vehicle weight is 300kg, load carrying ability 300kg.
Embodiment 3: described control location and control method and orthodox car are identical, so that internal combustion automobilist driving, but the control mode of automobile is different with orthodox car.Orthodox car is carried out with mechanical device and is controlled, and the control mode of this case is by the mode commence operation and the control of machinery and electromagnetic combination.

Claims (3)

1. a miniature electric automobile is formed by mixing vehicle frame, rear wheel drive system, front-wheel direct system, bicycle shed mounting system, bicycle shed, power supply and control system; Mixing vehicle frame is made of main car frame (11), trailing wheel vehicle frame (9), front wheel frame (18), headstock frame (26), tailstock frame (1), back hanger bracket (4), front overhang hanger (22), structure-steel framing (36), back suspension plate (7), front overhang link plate (44) and base mounting bracket (53); Rear wheel drive system is made of hind axle (5), back pendulum spring (6), rear drive sprocket (8), trailing wheel spindle nose (33), rear shock absorber (34), semiaxis hinge (52), trailing wheel semiaxis (54), back suspension groove (35) and wheel hub motor (55); The front-wheel direct system is made of front-wheel (25), front-wheel spindle nose (24), preceding shock absorber (45), forward mounting spring (46), front-wheel semiaxis (56), front-wheel steering axle (50) and front overhang hanging groove (17); The bicycle shed mounting system is by tailstock door bracket (31), tail shell support (37), middle door bracket (39), preceding door bracket (42), and tailstock frame (1) and headstock frame (26) constitute; Bicycle shed is made of tailstock door (30), back car shell (3), middle car door (12), driver door (21), headstock shell (27), car roof (38) and door glass (40); Control system is made of instrumentation operations station (29) bearing circle (28), brake pedal (47), speed pedal (48), gear (41), electric machine controller (15); It is characterized in that: described main car frame (11) on the spot is welded into rectangular frame by 4 thin-walled band steel pipes, trailing wheel vehicle frame (9) with 6 with the band steel pipe of aforementioned same specification and the staggered on the spot welding of main car frame (11), the lower end of back hanger bracket (4) is welded on the trailing wheel vehicle frame (9), the upper end of back hanger bracket (4) joins by structure-steel framing (36) and main car frame (11), make back hanger bracket (4), trailing wheel vehicle frame (9) and structure-steel framing (36) constitute a stable triangle, tailstock frame (1) is welded into the thin-walled square steel tube, combine with back hanger bracket (4), fuse by structure frame (36) and trailing wheel vehicle frame (9), tailstock frame (1), back hanger bracket (4), structure-steel framing (36) constitutes two stable triangles at tailstock position, front wheel frame (18) is staggered on the spot integrally welded with the thin-walled band steel pipe and the main car frame (11) of 6 same specifications, the lower end of front overhang hanger (22) is welded on the front wheel frame (18), the upper end of front overhang hanger (22) is welded on the main car frame (11) by structure-steel framing (36), make front wheel frame (18), front overhang hanger (22), structure-steel framing (36) forms a stable triangle at the front-wheel position, headstock frame (26) is welded into the thin-walled square steel tube, combine by structure frame (36) and front overhang hanger (22), headstock frame (26), front overhang hanger (22), structure-steel framing (36) constitutes a stable triangle, back suspension plate (7) at headstock part, front overhang link plate (44) is welded on respectively on back hanger bracket (4) and the front overhang hanger (22); Described wheel hub motor (55) is assemblied on the rear drive sprocket (8), rear drive sprocket (8) is assemblied in the outer end of trailing wheel spindle nose (33) by rear drive wheel shaft (5), one end of the inner of trailing wheel spindle nose (33) and trailing wheel semiaxis (54) is fixedly linked, the other end of trailing wheel semiaxis (54) is installed semiaxis hinge (52) and is connected on the base mounting bracket (53), base mounting bracket (53) is welded on trailing wheel vehicle frame (9) and the tailstock frame (1), make rear drive sprocket (8) located lateral, trailing wheel spindle nose (33) is embedded in the back suspension groove (35) with movable fit structure, make rear drive sprocket (8) longitudinal register, rear shock absorber (34) puts back pendulum spring (6) back one end and is assemblied on the upper surface of trailing wheel spindle nose (33), the other end of rear shock absorber (34) is assemblied under the back suspension plate (7), make trailing wheel spindle nose (33) according to being pressed in load on the drive wheel (8) the different free vertical adjustment of road conditions when travelling, movable in back suspension groove (35), drive the propulsive effort that rear drive sprocket (8) produces by wheel hub motor (55) simultaneously, be delivered on back hanger bracket (4) and the trailing wheel vehicle frame (9) by trailing wheel spindle nose (33), press the mounting structure sequence delivery again to main car frame 11), front wheel frame (18), structure-steel framing (36) is on front overhang hanger (22) and the front-wheel (25).
2. miniature electric automobile according to claim 1 is characterized in that, the square type thin-wall steel tube that described band steel pipe is 30 * 60 * 2mm, square steel tube are the thin-walled square steel tube of 30 * 30 * 2mm.
3. miniature electric automobile according to claim 1 and 2 is characterized in that, is formed by afterbody battery pack (2), middle cell group (13) and preceding battery pack (20) connection when power supply adopts the power lead-acid battery; When adopting lithium ion battery, power supply is installed the position in middle cell group (13) concentratedly.
CNU2007200838692U 2007-03-22 2007-03-22 Minitype electric automobile CN201021109Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200838692U CN201021109Y (en) 2007-03-22 2007-03-22 Minitype electric automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200838692U CN201021109Y (en) 2007-03-22 2007-03-22 Minitype electric automobile

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Publication Number Publication Date
CN201021109Y true CN201021109Y (en) 2008-02-13

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Application Number Title Priority Date Filing Date
CNU2007200838692U CN201021109Y (en) 2007-03-22 2007-03-22 Minitype electric automobile

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102700399A (en) * 2012-05-31 2012-10-03 杭州电子科技大学 Wheel hub motor driven electric automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102700399A (en) * 2012-05-31 2012-10-03 杭州电子科技大学 Wheel hub motor driven electric automobile
CN102700399B (en) * 2012-05-31 2015-04-01 杭州电子科技大学 Wheel hub motor driven electric automobile

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