CN1756676A - Battery-driven car - Google Patents
Battery-driven car Download PDFInfo
- Publication number
- CN1756676A CN1756676A CNA2004800060473A CN200480006047A CN1756676A CN 1756676 A CN1756676 A CN 1756676A CN A2004800060473 A CNA2004800060473 A CN A2004800060473A CN 200480006047 A CN200480006047 A CN 200480006047A CN 1756676 A CN1756676 A CN 1756676A
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- China
- Prior art keywords
- electric car
- battery
- vehicle frame
- framework
- steering
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- Legal status (The legal status 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 status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The present invention relates to a kind of small-sized electric car, be mainly used in an individual and an interior traffic.Comprise vehicle frame, vehicle seat, front and back wheel, actuating device, battery, steering swivel system and preceding wheel suspension system, vehicle frame front end midway location protrudes out a framework forward, and battery is placed on this framework; Before wheel suspension system be spill behind the lordosis, cover in this frame forward end, and be articulated in the midway location of this frame forward end, on the wheel suspension system, the trailing edge line of two front-wheels was positioned at the back of battery leading edge before two front vehicle wheels were installed on; Steering swivel system is connected in the vehicle frame front end, and with the front-wheel interlock.Battery is contained in the front, makes the distribution of weight equilibrium of battery-driven car, has improved safety, comfort level and the turning efficiency driven.
Description
Technical field
The present invention relates to a kind of electric vehicle, especially a kind of four-wheel small-sized electric car background technology
At present, small-sized electric car is due to easily driving, and compares environmentally friendly, using increasingly extensive.In many areas, aged or disabled is due in the presence of driving, walking or using the obstacle of public transport, so often selection uses electric car.In addition, electric car can also be widely used in such as golf site inside accesses in personal traffic, industry and commerce site inside accesses and sports ground.The structure of existing this kind of small-sized electric car is typically that battery is arranged on below occupant seat.Because this kind of electric car is rear wheel drive, its motor and drive device are generally also to be arranged on below occupant, and this just makes the rearward weight of car larger.Under certain conditions, when particularly going up a hill or climb, this small-sized electric car may tilt backwards overturning, and occupant is easily injured.To prevent this point, some electric cars must install anti-obliquity wheel, this increase for causing manufacturing cost again and complicatedization in portion behind.
Furthermore, because weight distributes serious unbalance, handlebar is lighter, is difficult to grasp balance during steering, so the steering behaviour and driving performance of existing electric car are also poor.If having used suspension arrangement, because front weight is light, acting force of the spring is small, and the cushioning effect of suspension arrangement is also failed to understand very much to be shown.
Once battery was arranged in steering spindle by someone, to increase the weight of front portion, reached front and rear balanced weight, but was due to the load increase of steering spindle, caused to turn to difficulty, and the center of gravity rise of car, security reduction, so effect is bad.The content of the invention
Electric car above is placed on it is an object of the invention to provide a kind of battery, so as to reach that weight distribution is balanced, the security driven and cornering ability is improved.
It is a further object of the present invention to provide a kind of good electric car of damping performance, the comfortableness driven is improved.
Third object of the present invention is to provide a kind of good electric car of steering behaviour, improves and turns to
Handling, flexibility ratio and smoothness.
Because electric car is limited by storage space and transport space, require neither to increase the length and weight of car when battery is placed on above, avoid occupying the space that driver places pin again simultaneously, so the structure of vehicle frame and front wheel suspension device must be improved simultaneously.The thinking of the present invention is to turn into vehicle frame Front-end Design to have a framework protruded out forward, for placing battery, and suspension arrangement is designed to shape recessed after lordosis, cover in the framework of vehicle frame, so neither increase the length of electric car, do not increase extra part, the space of front portion taken full advantage of again yet, battery is had been moved to before.
The electric car of the present invention includes：Including vehicle frame, vehicle seat, two front vehicle wheels, two rear wheels, drive device, battery, steering and front wheel suspension device, wherein vehicle frame postmedian, vehicle seat, trailing wheel, drive device is as good as with conventional structure, will not be described in detail herein.
The present invention improvement be：Vehicle frame front end centre position protrudes out forward a framework, and battery is placed in the framework；
The front wheel suspension device is in spill after lordosis, covers in the frame forward end, and is articulated in the centre position of the frame forward end, and two front vehicle wheels are installed on front wheel suspension device, and the trailing edge line of two front-wheels is located at behind battery leading edge；
The steering is connected to vehicle frame front end, and is interlocked with front-wheel.
The centre position of the frame forward end provided with two protrude out be vertically connected with portion, the connecting portion is provided with two pairs of articulated sections up and down for being reversed；
The front wheel suspension device includes a pair of preceding upper cantilevers, a pair of preceding lower cantalevers, shock absorber, the front end of each preceding upper and lower cantilever is pivotally connected with two pairs of articulated sections respectively by axis of electric car length direction, cantilever rear end extends to carriage frame side side to side rear, the shape of two approximate trapezoids above and below formation, two left front suspended walls and two right front booms are in the rear end respectively with left and right bulb pin connection；Left and right wheel shaft is respectively equipped with left and right ball stud, for fixing left and right front-wheel；Two shock absorbers are positioned close to the position of cantilever rear end, and its upper end is connected with vehicle frame, and lower end is connected with lower suspended wall；
The steering includes left and right drag link, steering spindle and steering handle, and steering spindle is rotatablely arranged at vehicle frame front end, and is interlocked by drag link and the wheel shaft.
In order to increase set up again on the firmness of suspension arrangement, suspension arrangement above and below two pairs of back booms,
It is basically parallel to vehicle frame leading edge, is formed as the trapezoidal base, and its one end is articulated on the connecting portion, and the other end is fixed near the rearward end of front boom.
It is described be vertically connected with portion be respectively equipped with above and below steering spindle mounting seat, ball bearing is installed in the mounting seat, for freely rotating for steering spindle.
The steering spindle is provided with a forward projections between upper lower mounting seat, and the rotation for drag link is connected.
The drag link is ball head connecting rod.
Support is fixed in the portion front end that is vertically connected with I-steel.
The framework is provided with to recessed cavity, for placing battery.
The present invention is using above-mentioned improved front frame and the structure of suspension arrangement, before battery is had been moved on the premise of the part of electric car length is not increased, realize front and rear weight distribution balanced, the center of gravity of electric car is set to be maintained at medium position, the stability of traveling is added, particularly uneasy anti-loaded angle wheel will not also be tilted backwards in climbing.And the installation site of battery is relatively low, the center of gravity of the car more reduced makes traveling safer.
Furthermore, add after the anterior weight of electric car, the power increase that front wheel suspension device is born can so give full play to the effect of its damping, increase the comfortableness driven.Moreover, after anterior weight increase, the frictional force of front and back wheel is also balanced, and especially when turning to, the frictional force increase of front-wheel, so as to improve the electronic-controlled power steering performance and handling of electric car.
Finally, more batteries can be placed the invention provides enough spaces, adds the power reserve of electric car, make the operating range of electric car bigger.Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of electric car of the invention；
Fig. 2 is a kind of anterior structural representation of the vehicle frame of embodiment of electric car of the present invention；Vehicle frame front portions and suspension arrangement and the structural representation of part steering of the Fig. 3 for a kind of embodiment of electric car of the present invention；
Fig. 4 is the structural representation that Fig. 3 is seen from bottom to top.
Embodiment
The specific embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, be four-wheel small lift's electric car, including vehicle frame 1, vehicle seat 2, two front vehicle wheels 3, two rear wheels 4, drive device 5, battery, steering 6 and front wheel suspension device 7, the postmedian of car are not improved in the present invention, are no longer described herein.
Referring also to Fig. 2, the anterior frame structure for substantially planar shape of vehicle frame 1, intermediate position protrudes out forward a framework 11, and the recessed position in the both sides of framework 11 is used to install front-wheel, and the anterior width of such electric car does not increase.Framework 11 is sized to as suitable for placing the battery matched with electric car, protrude from as far as possible outside frame body, it can also be slightly retracted according to the size of battery in vehicle frame, framework can be with vehicle frame in a plane, a recessed battery case 13 can also be made, to reduce the center of gravity of electric car, also reduce the height that battery protrudes from vehicle frame.When driver's height is higher, the position on battery both sides can also put pin for driver.
In order to increase the intensity of the front end of framework 11, two crossbeams can be set in front end, if the intensity of material is enough, it would however also be possible to employ a crossbeam.In crossbeam centre position provided with two connecting portions 12 up and down, for connecting cantilever and steering spindle.Two connecting portions 12 are mutually permanently connected from the projection forward of framework 11 in front end with I-steel 14, are vertically connected with the front two rows articulated section 121,122,123 for being respectively provided with and being reversed in portion 12,124,121', 122', 123,, 124, for being pivotally connected cantilever.It is vertically connected with portion 12 and is also respectively provided with a steering spindle mounting seat 64 and 65, and steering bearing is installed, is easy to the free smooth rotation of steering spindle 63.
As shown in figure 3, front wheel suspension device 7 includes a pair of preceding upper cantilevers 71,72, a pair of preceding lower cantalevers 73,74, each shock absorber 79 in left and right, upper and lower cantilever 71,72,73,74 front end using electric car length direction as axis respectively with articulated section 121,122,123,124 pivot joints, cantilever rear end extends to carriage frame side side, left front suspended wall 71 to side rear, 73 and right front boom 72,74 the rear end respectively with left and right ball stud 75,76 connect；Left and right wheel shaft 77,78 is respectively equipped with left and right ball stud 75,76, for fixing left and right front-wheel 3;Shock absorber 79 is positioned close to the position of cantilever rear end, and its one end is connected with a crossbeam 111 of framework 11, and the other end is connected with lower suspended wall close to back-end location, and connected mode is the conventional connected mode of shock absorber.
In order to increase the firmness of suspension arrangement, a pair of rear upper cantilevers 71 for being basically parallel to the leading edge of framework 11 are additionally provided with, 72' and a pair rear lower cantalever 73', 74', the back boom one end is articulated in pivot respectively
Socket part 121', 122,123', 124', the other end are fixed near the rearward end of front boom 71,72,73,74.So, front and rear cantilever form above and below two be substantially triangular in shape or trapezoidal structure, cover in the front end of framework 11, the triangle or trapezoidal hypotenuse angle can be determined according to the size of electric car, preferred dimensions are 40 degree of 50 degree of angles, and the space of abundance can have been prepared under conditions of electric car length is not increased for battery by adopting the structure.The front-wheel 3 being fixed on wheel shaft 77 and 78 is placed exactly in the recessed position of the side of framework 11, so anterior width does not also increase, and the trailing edge line of two front-wheels 3 is located at behind battery leading edge.
Battery is put on the frame 11, when electric car is travelled, jolting for road surface is delivered on wheel shaft by front-wheel, it is delivered to again by ball stud on cantilever, after the damping of shock absorber 79 connected on cantilever, due to the weight increase that electric car is anterior, the active force being delivered on vehicle frame does not result in front frame very big vibrations, so, the damping effect of suspension arrangement is also improved.
As shown in Figure 4, steering 6 includes left and right drag link 61, 62, steering spindle 63 and steering handle 66, drag link 61, 62 be ball head connecting rod, one end is rotatably connected to ball stud 75 respectively, on 76, the other end is rotatably connected in steering spindle 63, steering spindle 63 is provided with a forward projections 631 between mounting seat 64 and mounting seat 65, left and right drag link 61 and 62 is coaxially connected in this protuberance, so, when steering axes, drag link drives ball stud to rotate, so as to realize wheel shaft 77, 78 with the gearing of steering spindle 63.This steering has the support of ball bearing, and steering is more smooth, and front-drive is driven by drag link, simple in construction, turns to freely, and the trapezoidal hypotenuse of suspension arrangement, makes the rotatable scope of front-wheel bigger.
Claims (1)
- Claim1st, a kind of electric car, including vehicle frame（1), vehicle seat（2), two front vehicle wheels（3), two rear wheels（4), drive device（5), battery, steering（And front wheel suspension device 6)（7), it is characterised in that：The vehicle frame（1) front end centre position protrudes out forward a framework for being suitable to placing battery（11 );The front wheel suspension device（7) it is in spill after lordosis, covers in the framework（11) front end, and it is articulated in the framework（11) centre position of front end, two front vehicle wheels（3) it is installed on front wheel suspension device（7) on； ■The steering（6) it is connected to vehicle frame（1) front end, and and front-wheel（3) interlock.2nd, electric car as claimed in claim 1, it is characterised in that：Electric car as claimed in claim 1, it is characterised in that：Two front-wheels（3) trailing edge line is located at behind battery leading edge.3rd, electric car as claimed in claim 2, it is characterised in that：The framework（11) centre position of front end provided with two protrude out be vertically connected with portion（12), the connecting portion is provided with the two pairs of articulated sections (121,122,123,124) up and down being reversed；The front wheel suspension device includes a pair of preceding upper cantilevers (71,72), a pair of preceding lower cantalevers（73,74), shock absorber（79), each preceding upper and lower cantilever（71,72,73,74) front end around electric car length-wise axis respectively with articulated section（121,122,123,124) it is pivotally connected, cantilever rear end extends to carriage frame side side, left front suspended wall to side rear（71,73) and right front boom（72,74) in the rear end respectively with left and right ball stud（75,76) connect；Left and right ball stud（75,76) left and right wheel shaft is respectively equipped with（77,78), for fixing left and right front-wheel（3);The shock absorber（79) position of cantilever rear end, its one end and vehicle frame are positioned close to（1) it is connected, the other end is connected with suspended wall；The steering includes left and right drag link (61,62), steering spindle（63) with steering handle (66), steering spindle（63) vehicle frame front end is rotatablely arranged at, and passes through drag link（61,62) with the wheel shaft（77,78) interlock.4th, electric car as claimed in claim 3, it is characterised in that：The left side front boom（And right side front boom (72,74) is trapezoidal is extended back to side 71,73).5th, electric car as claimed in claim 4, it is characterised in that：The connecting portion（12) on In articulated section（121,122,123,124) inner side be additionally provided be reversed about two pairs articulated sections (121,122,123', 124'), the front wheel suspension device（7) a pair rear upper cantilevers (71,72') and a pair of rear lower cantalevers are additionally provided with（73', 74'), vehicle frame leading edge is basically parallel to, the back boom one end is articulated in articulated section（121', 122', 123', 124'), the other end is fixed on front boom（71,72,73,74) near rearward end.6th, electric car as claimed in claim 5, it is characterised in that：Described be vertically connected with portion is respectively equipped with steering spindle mounting seat（64,65) ball bearing, is installed in the mounting seat.7th, electric car as claimed in claim 6, it is characterised in that：The steering spindle（63) in mounting seat（And mounting seat 64)（65) forward projections are provided between（631), for drag link（61,62) rotation connection.8th, electric car as claimed in claim 7, it is characterised in that：The drag link（61,62) it is ball head connecting rod.9th, as claimed in claim 3 electric car, it is characterised in that：It is described to be vertically connected with portion（12) front end is fixed with I-steel and supported.10th, electric car as claimed in claim 5, it is characterised in that：The framework（11) it is provided with to recessed cavity（13), for placing battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004800060473A CN100364805C (en) | 2003-04-03 | 2004-04-05 | Electric vehicle |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03230103.0 | 2003-04-03 | ||
| CNU032301030U CN2617621Y (en) | 2003-04-03 | 2003-04-03 | Electric vehicles |
| CN03230312.2 | 2003-04-09 | ||
| CNB2004800060473A CN100364805C (en) | 2003-04-03 | 2004-04-05 | Electric vehicle |
| PCT/CN2004/000310 WO2004087457A1 (en) | 2003-04-03 | 2004-04-05 | Electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1756676A true CN1756676A (en) | 2006-04-05 |
| CN100364805C CN100364805C (en) | 2008-01-30 |
Family
ID=34247479
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032301030U Expired - Fee Related CN2617621Y (en) | 2003-04-03 | 2003-04-03 | Electric vehicles |
| CNB2004800060473A Expired - Fee Related CN100364805C (en) | 2003-04-03 | 2004-04-05 | Electric vehicle |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032301030U Expired - Fee Related CN2617621Y (en) | 2003-04-03 | 2003-04-03 | Electric vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN2617621Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645754A (en) * | 2020-07-07 | 2020-09-11 | 浦立泽智能科技(昆山)有限公司 | Four-wheel steering system of kart and application thereof |
| CN111645754B (en) * | 2020-07-07 | 2024-05-17 | 浦立泽智能科技(昆山)有限公司 | Kart four-wheel steering system and application thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4232423A1 (en) * | 1991-10-29 | 1993-05-06 | Hermann Schieferstein | Battery-operated electric vehicle for invalid or golfer - has chassis sub-frame between front and rear wheels with battery between front wheels and electric drive unit between rear wheels |
| IT1256854B (en) * | 1992-02-07 | 1995-12-27 | Fiat Auto Spa | MULTI-PURPOSE BODY FOR A VEHICLE. |
| JPH08332856A (en) * | 1995-06-09 | 1996-12-17 | Daihatsu Motor Co Ltd | Battery arrangement structure of electric vehicle |
| JPH09309343A (en) * | 1996-05-22 | 1997-12-02 | Honda Motor Co Ltd | Motor driven vehicle |
| DE19732468A1 (en) * | 1996-07-27 | 1998-06-10 | Harald Kutzke | Hybrid muscle-powered and electric-powered two-wheeled vehicle |
| JP2001097048A (en) * | 1999-09-28 | 2001-04-10 | Fuji Heavy Ind Ltd | Vehicular body structure for electric automobile |
| JP2002165309A (en) * | 2000-11-20 | 2002-06-07 | Honda Motor Co Ltd | Four-wheel automobile of fuel battery type |
-
2003
- 2003-04-03 CN CNU032301030U patent/CN2617621Y/en not_active Expired - Fee Related
-
2004
- 2004-04-05 CN CNB2004800060473A patent/CN100364805C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645754A (en) * | 2020-07-07 | 2020-09-11 | 浦立泽智能科技(昆山)有限公司 | Four-wheel steering system of kart and application thereof |
| CN111645754B (en) * | 2020-07-07 | 2024-05-17 | 浦立泽智能科技(昆山)有限公司 | Kart four-wheel steering system and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN2617621Y (en) | 2004-05-26 |
| CN100364805C (en) | 2008-01-30 |
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