CN201633525U

CN201633525U - Ultramicroscopic electric car driven by combined hub motor

Info

Publication number: CN201633525U
Application number: CN2009202288376U
Authority: CN
Inventors: 鲁泊凡
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-13
Filing date: 2009-10-13
Publication date: 2010-11-17
Anticipated expiration: 2019-10-13

Abstract

The utility model provides an ultramicroscopic electric car driven by combined hub motor which is designed for low- and middle-income customers. The ultramicroscopic electric car driven by combined hub motor uses the combined hub motor which is specially designed and matched as a power, is convenient to be installed and maintained, is not provided with a transmission device and can improve the energy efficiency ratio. A specially-designed double-row three-seat single-door ultramicroscopic wagon box and an oval plate handlebar type steering machine are adopted to lead the customers holding motorcar driving licenses and only having motorcar driving experiences to drive the ultramicroscopic electric car more conveniently. Meanwhile, technical innovation is implemented on a plurality of important parts; an accelerator with brake protection, a brake disk type brake with parking brake, a double spring prestress damper, an air damping cushion fender-guard and a steering angle signal electronic differential gear are applied so as to increase the safety and stability of operating and driving. The ultramicroscopic electric car driven by combined hub motor has the advantages of simple structure, convenient operation, and low manufacture cost, and can replace a motorcar to become a new public traffic tool.

Description

The collapsible rim submicron electric car driven by electric machine with hub

Affiliated technical field

The utility model relates to a kind of electronlmobil, specifically, is a kind of collapsible rim submicron electric car driven by electric machine with hub.

Background technology

China's motor bike recoverable amount surpasses 100,000,000, and year volume of production and marketing is above 1,300 ten thousand; Motor bike energy consumption height, the noise exhaust emission is serious, and safety misadventure takes place frequently, and brings heavy pressure for China's power supply, environmental protection and safety traffic.Ride comfort of motorcycle is poor, and vast middle and low income customer also thirsts for having a C-class that is fit to oneself.Therefore, need the ultramicroscopic electric car of a kind of energy-conserving and environment-protective of exploitation, as an alternative the novel popular vehicle of motor bike.

Domestic miniature electric car is used the two-door setting of single two-seater more at present, and volume is bigger than normal and can only take two people, and practicality is relatively poor.The main motor that is adopted adds the type of drive of driving device, the problem that still dynamic slippages is big, Energy Efficiency Ratio is lower.And also there is performance deficiency in very many vitals of miniature electric car and lacks technology innovation.For example:

Handle type direction machine is applied to miniature electric car beyond example still, and handle type direction machine is installed on electrocar, and nondescript suspicion is also arranged.

Brake-apply and mistake is stepped on acceleration pedal and caused the thing of safety misadventure to happen occasionally, especially student practise phase or the chaufeur state of mind when not good, this situation of easier appearance.

The baby car car body is lighter, and the single load of taking advantage of when driving is light, and the damping effect at car rear portion is bad, and the tailstock too upwarps, and the tailstock too sinks during heavy duty.

Mostly the braking during standstill mode of electrocar is to adopt and carries out braking during standstill at trailing wheel with the mode that the braking drum brake mechanism installs hand braking steel cable additional, and the braking during standstill effect is undesirable.The braking drum brake mechanism is comparatively complicated, the maintenance and debugging inconvenience.

Car accident happens occasionally, and does not but see and take more technical measures on bumper/spoiler.

Because driving electrocar, wheel hub motor seldom sees use at home at present, so do not see the practical application of steering angle signal electron diff as yet.

Summary of the invention

At the problems referred to above, the utility model provides a kind of collapsible rim submicron electric car driven by electric machine with hub, energy-conserving and environment-protective, and the Energy Efficiency Ratio height travels flexibly convenient parking; Used the vitals of some innovative designs, improved the safety and the stability of travelling, this car can substitute motor bike becomes a kind of novel popular vehicle.

The utility model comprises power accumulator and controller, the technical scheme that is adopted is: the collapsible rim submicron electric car driven by electric machine with hub adopts power accumulator to do vehicular energy, do driving power with the supporting collapsible rim wheel hub motor of design, control the running of collapsible rim wheel hub motor by controller, the direct drive electrocar travels.The front and back four-wheel all is equipped with the collapsible rim wheel hub motor, the branch that does not have main drive wheel and secondary drive wheel, according to the difference of road conditions, can in f-w-d, back-wheel drive, four wheel drive and four kinds of type of drive of bilateral wheel drive, select arbitrarily to switch by controller.Adopt supporting super-mini casing of customized design and handle type direction machine, made simple to operately, travelled flexibly convenient parking.Also adopted and designed supporting band brake protection acceleration device, braking plate disc brake, air damping buffer bumper, dual spring prestressed damping device and the steering angle signal electron diff of band braking during standstill, with safety and the stability that increases and travel.

Described super-mini casing, the technical scheme of employing is: the super-mini casing is only established a single open-door in a side, the cooresponding vehicle window that is provided with of opposite side.Adopt the setting of double seat, front seat is placed in the middle, is the chaufeur single seat, and back vehicle seat is two-seater or single seat; The backrest interlude of back vehicle seat can keep flat forward or backward.

Described super-mini casing, chamber door is divided into upward swing door of upwards opening and the downward swing door of opening downwards thereafter; Upward swing door in emergency circumstances can be used as emergency door and uses, from outside, can open from interior, can keep flat fixingly after downward swing door is opened, can load the larger volume article of lightweight.

Described handle type direction machine, the technical scheme of employing is: the operator of handle type direction machine is being the oval plate handgrip.

Described handle type direction machine, its spindle arm is installed or is welded on the deflecting bar, and an end of spindle arm is provided with and is used to install the taper hole that turns to direct bar; Spindle arm specially strengthens and increases the weight of, and makes of the monoblock ironware, alleviates the impact oval plate handgrip shake that the oval plate handgrip is subjected to itself gravity inertial.

Described band brake protection acceleration device, the technical scheme of employing is: be connected with the acceleration push rod below the acceleration pedal of band brake protection acceleration device, also be provided with the auxiliary braking push rod; The acceleration push rod passes the connecting arm of governor, can promote connecting arm by recoil spring; Quicken the terminal corresponding position of push rod and be equiped with the relay that has movement arm, be provided with spacing between movement arm and the acceleration push rod, this spacing equals to quicken the normal accelerating travel of push rod.It is the force that the auxiliary braking push rod places an end of acceleration pedal below, and the force end is equiped with the slowly-releasing electromagnet, with electromagnetic power pulling auxiliary braking push rod; Be provided with spacing between force and the acceleration pedal, this spacing equals the normal accelerating travel of acceleration pedal.The auxiliary braking push rod passes the below of brake pedal, and is provided with spacing between the brake pedal, and this spacing is a bit larger tham the braking distance of brake pedal.The emphasis of auxiliary braking push rod is located at interlude, and brake push rod passes this keypoint part in the mode of bearing fit and connects master brake cylinder; The protection glancing impact promotes to push away before the auxiliary braking push rod can drive brake push rod, during normal brake application, can not influence the operation of brake push rod normal brake application because of the setting of auxiliary braking push rod.The other end of auxiliary braking push rod is fixed on the car body as fulcrum.

The principle of work of band brake protection acceleration device is: during maloperation, will speed up in hasty pedal be mistakened as press down with the foot down as brake pedal after, can promote to quicken push rod above normal travel, thereby the pushing action arm makes the actuating of relay.The time closing normally closed contact of relay disconnects, and cuts off the power supply of master cock, thereby cut off the control power supply electrocar is run out of steam.One of them open contact closure of relay is connected the slowly-releasing electromagnet, makes it to spur the auxiliary braking push rod, drives brake push rod and goes to promote master brake cylinder work, implements the braking protection; Another open contact closure is connected the caution pilot lamp power, sends the maloperation alarm signal.In the time of under acceleration pedal presses down with the foot, also directly promote the auxiliary braking push rod, drive brake push rod and go to promote master brake cylinder work, implement the braking protection with manpower.The slowly-releasing electromagnet can replace with electromagnetic valve, directly connects pneumatic source, promotes master brake cylinder work with aerodynamic force, implements the protection braking.Quicken to be equiped with recoil spring between push rod and the connecting arm, surpass normal travel and also can not damage governor.After removing maloperation, relay resets, the normally closed contact closure of its time closing, and the control power supply is connected in time-delay; Two open contacts disconnect, and caution indicator lamp dead electricity is extinguished, and slowly-releasing electromagnet dead electricity discharges, and the auxiliary braking push rod resets.When the auxiliary braking push rod resetted, the slow-release function of slowly-releasing electromagnet can make it slowly reset, and made to keep certain braking force in the switching process of correcting maloperation, to increase safety.

Described dual spring prestressed damping device, the technical scheme of employing is: dual spring prestressed damping device is equipped with the dual spring of intussusception, and the two ends of its outer spring are welded or are crimped on the two ends of inner spring respectively.Outer spring is outside tension force all the time, bears the weight of car body all the time.Inner spring is when unloaded and underloading mode of operation---and refer to unloaded single taking advantage of when driving, be preset with a kind of inside pulling force, be equivalent to increase the weight of car body; When the medium load mode of operation---refer to that two people take advantage of when driving, be situated between between tension force, the state of tension; Heavy duty is during mode of operation---and refer at full load, be outside tension force, the weight of bearing car body jointly with outer spring; Perhaps the effect masterpiece of two springs exchanges design.

The braking plate disc brake of described band braking during standstill, the technical scheme that adopts is: the inboard of the braking plate disc brake of band braking during standstill, be equiped with a multiple screw thread push rod that has pull bar, when drawing braking during standstill, by pushing away before the deflection of steel cable pulling pull bar drive multiple screw thread push rod, promote brake piston by pusher, make brake plate clamp brake disc and implement braking during standstill.

Described air damping buffer bumper, the technical scheme that adopts is: the air damping buffer bumper is equiped with several air valve dampers, air valve damper is made up of damper push rod, damping piston and damper tube, and being provided with the slowly-releasing pore, the slowly-releasing pore can avoid huge air pressure to form bounce.According to the needs of different automobile types different structure, the damper push rod that can extend is installed in different positions with air valve damper with different angles.

Described steering angle signal electron diff, the technical scheme that adopts is: steering angle signal electron diff comprises the revolver controller and is right wheel controller, and at the corresponding position of spindle arm of electrocar direction machine, left rotaring signal element and right turn signal element are installed, and wherein spindle arm can replace its effect in steering angle signal electron diff with the mechanical arm that is attached thereto the mechanical device that connects.

The principle of work of steering angle signal electron diff is: when electrocar is turned left, spindle arm is shifted to the left rotaring signal element, make it produce electric signal, reduce the rotating speed of left side electric driving wheel, or improve the rotating speed of right side electric driving wheel by right wheel controller by the revolver controller.When electrocar bent to right, spindle arm was shifted to the right turn signal element, made it produce electric signal, reduced the rotating speed of right side electric driving wheel by right side wheel controller, or improved the rotating speed of left side electric driving wheel by the revolver controller.

Steering angle signal electron diff is by reducing or improve the mode of a side electric driving wheel rotating speed, realize the differential adjusting between the electrocar electric driving wheel, the power of the electric signal that left rotaring signal element or right turn signal element produce, the size that depends on the spindle arm offset amplitude, the size of the raising of electric driving wheel or right side electric driving wheel rotating speed or the amplitude of reduction on the left of determining.

The beneficial effects of the utility model are embodied in:

1, the driving electrocar of collapsible rim wheel hub motor is a pure electric sedan, energy-conserving and environment-protective, noiseless exhaust emission.Do not have complicated driving device, reduced the waste of power in the power transmission process, can improve Energy Efficiency Ratio.Separable rim makes the dismounting maintenance of tire more convenient.The multiple type of drive of selection can be switched arbitrarily, different road conditions such as ice snow covered pavement, muddy road can be adapted to.The braking plate disc brake of configuration band braking during standstill on the collapsible rim wheel hub motor, make braking during standstill act on the front and back four-wheel simultaneously, can increase the reliability of braking during standstill, keep traditional braking plate disc brake simple structure and inspection, maintenance again, debugged advantage easily.

2, the box body of ultramicroscopic electric car adopts one-sided single open-door setting, makes car body littler, and it is more flexible to travel, and parks more convenient; Only get on or off the bus, can avoid influencing other vehicle ', the minimizing accident from the right side; Double three settings can be taken for three-person household, and are practical more than single two-seater miniature electric car; Front seat designs between two parties, makes that the vehicle sight line is better easier to be controlled, and the single balance of taking advantage of when driving is better.Adopt oval plate handle type direction machine, both artistic and practical, easy to operate, the embarrassment of having avoided electrocar that the handle type direction machine " nondescript " of traditional type is installed simultaneously.The application of band brake protection acceleration device can reduce the safety misadventure that maloperation causes; And simple structure is easy to apply.The application of these innovative technologies is driven the ultramicroscopic electric car and has been created good condition for the customer who holds the motor bike driver's license changes.

3, the application of dual spring prestressed damping device, the damping performance when having improved the electrocar underloading, when having solved underloading the tailstock raise, when heavy duty the tailstock problem of sinking.Application of air damping buffering bumper/spoiler can alleviate the destructiveness of colliding and bringing.Steering angle signal electron differential design is simple, and control is reliable.

Description of drawings

Fig. 1 is a ultramicroscopic electric car right side view

Fig. 2 is a ultramicroscopic electric car left side view

Fig. 3 is a ultramicroscopic electric car back view

Fig. 4 is oval plate handle type direction machine operation handgrip figure

Fig. 5 is an oval plate handle type direction machine structural representation

Fig. 6 is band brake protection acceleration device scheme drawing

Fig. 7 is band brake protection acceleration device electrical schematic diagram

Fig. 8 is a dual spring prestressed damping device scheme drawing

Fig. 9 is the braking disc type brake structural scheme drawing of band braking during standstill

Figure 10 is the braking plate disc brake lateral plan of band braking during standstill

Figure 11 is an air damping buffer bumper structural representation

Figure 12 is the air valve damper structural representation

Figure 13 is a steering angle signal electron differential controls functional block diagram

Among the figure: 1; power accumulator, 2; the collapsible rim wheel hub motor, 3; controller; 4; handle type direction machine, 5; the super-mini casing, 6; band brake protection acceleration device; 7; the braking plate disc brake of band braking during standstill, 8; single open-door, 9; front seat; 10; back vehicle seat, 11; dual spring prestressed damping device, 12; the air damping buffer bumper; 13; steering angle signal electron diff, 14; upward swing door, 15; downward swing door; 16; the oval plate handgrip, 17; spindle arm, 18; conical hole; 19; deflecting bar, 20; acceleration pedal, 21; quicken push rod; 22; recoil spring; 23; governor, 24; the auxiliary braking push rod, 25; connecting arm; 26; relay; 27; movement arm, 28; the slowly-releasing electromagnet, 29; master brake cylinder; 30; brake push rod; 31; brake pedal, 32; the caution indicator lamp, 33; the slowly-releasing magnet coil; 34; the control source switch; 35; outer spring, 36; inner spring, 37; the multiple screw thread push rod; 38; pull bar; 39; pusher, 40; brake piston, 41; brake plate; 42; brake disc; 43; steel cable, 44; air valve damper, 45; the damper push rod; 46; damping piston; 47; the damper tube, 48; the slowly-releasing pore, 49; spindle arm; 50; the left signal element; 51; the right signal element, 52; the revolver controller, 53; right wheel controller; 54; the left side electric driving wheel, 55; the right side electric driving wheel.

The specific embodiment

Among Fig. 1, the collapsible rim submicron electric car driven by electric machine with hub adopts power accumulator 1 to do vehicular energy, do driving power with the collapsible rim wheel hub motor 2 that customized design is supporting, by 3 runnings of controller 3 control combination wheel rim wheel hub motors, the direct drive electrocar travels.The front and back four-wheel all is equipped with collapsible rim wheel hub motor 2, does not have the branch of main drive wheel and secondary drive wheel, can select arbitrarily to switch by controller 3 in four wheel drive, f-w-d, back-wheel drive and four kinds of type of drive of bilateral wheel drive as required.Supporting super-mini casing 5 of customized design and handle type direction machine 4 have been adopted; the braking plate disc brake 7, air damping buffer bumper 12 and the dual spring prestressed damping device 11 that design supporting band brake protection acceleration device 6, band braking during standstill have also been adopted, stability, the safety controlling and travel with increase.

Among the figure, 5 of super-mini casings are established a single open-door 8 in a side, establish double seat, and front seat is a chaufeur single seat 9, and back vehicle seat 10 is single seat or two-seater; Single open-door 8 is located at left side or right side, and is different and different according to various countries' traffic regulation.The traffic regulation regulation vehicle of China is kept to the right, so single open-door 8 can be located at the right side.

Among Fig. 2, the ultramicroscopic electric passenger car applications steering angle signal electron diff 13, also shown air damping buffer bumper 12 installing conditions among the figure.

Among Fig. 3, the back chamber door of super-mini casing 5 is divided into upward swing door 14 of upwards opening and the downward swing door of opening 15 downwards, and upward swing door 14 in emergency circumstances can be used as emergency door and uses, from outside, can open from interior, can horizontal fix after downward swing door 15 is opened.

Among Fig. 4,5, the operator of handle type direction machine 4 handle is an oval plate handgrip 16; The spindle arm 17 of handle type direction machine 4 is installed or is welded on the deflecting bar 19, and an end of spindle arm 17 is provided with the taper hole 18 that is used to install steering drag link.Spindle arm 17 specially increases the weight of, and makes of the monoblock ironware, alleviates the impulsive force that oval plate handgrip 16 is subjected to itself gravity inertial.

Among Fig. 6, be connected with below the acceleration pedal 20 of band brake protection acceleration device 6 and quicken push rod 21, also be provided with auxiliary braking push rod 24.Acceleration push rod 21 passes the connecting arm 25 of governor 23, can promote connecting arm 25 by recoil spring 22.Quicken push rod 21 terminal corresponding positions and be equiped with the relay 26 that has movement arm 27, be provided with spacing between movement arm 27 and the acceleration push rod 21, this spacing equals to quicken the normal accelerating travel of push rod 21.It is the force that auxiliary braking push rod 24 places an end of acceleration pedal 20 belows, and the force end also is equiped with slowly-releasing electromagnet 28, is provided with spacing between force and the acceleration pedal 20, and this spacing equals the normal accelerating travel of acceleration pedal.Auxiliary braking push rod 24 passes the below of brake pedal 31, and is provided with spacing between the brake pedal 31, and this spacing is a bit larger tham the braking distance of brake pedal 31.The emphasis of auxiliary braking push rod 24 is located at interlude, and brake push rod 30 passes this keypoint part in the mode of bearing fit and connects master brake cylinder 29; The protection glancing impact promotes to push away before auxiliary braking push rod 24 can drive brake push rod 30, during normal brake application, can not influence the normal brake application operation of brake push rod 30 because of the setting of auxiliary braking push rod 24.The other end of auxiliary braking push rod 24 is fixed on the car body as fulcrum.

The principle of work of band brake protection acceleration device is: during maloperation; will speed up in hasty pedal 20 be mistakened as press down with the foot down as brake pedal after; can promote to quicken push rod 21 and surpass normal travel; thereby pushing action arm 27 makes relay 26 actions; the normally closed contact of the time closing of relay 26 disconnects; cut off the power supply of master cock 34, electrocar is run out of steam thereby cut off the control power supply.Simultaneously, one of them open contact closure of relay 26 is connected slowly-releasing electromagnet 28, makes it to spur auxiliary braking push rod 24, and the drive braking is pushed 30 open and gone to promote master brake cylinder 29 work, implements braking protection; Another open contact closure of relay 26 is connected the power supply of warning indicator lamp 32, sends the maloperation alarm signal.In the time of under acceleration pedal 20 presses down with the foot, also directly promote auxiliary braking push rod 24 and drive brake push rod 30, go to promote master brake cylinder 29 work with manpower.Slowly-releasing electromagnet 28 can replace with electromagnetic valve, directly connects pneumatic source, promotes to make total pump work with aerodynamic force.Quicken to be equiped with recoil spring 22 between push rod 21 and the connecting arm 25, quicken push rod 21 and also can not damage governor 23 above normal travel.After removing maloperation, the relay 26 that continues resets, the normally closed contact closure of its time closing, and the control power supply is connected in time-delay; Two open contacts disconnect, and caution indicator lamp 32 dead electricity are extinguished, and slowly-releasing electromagnet 28 dead electricity slowly discharge, and auxiliary braking push rod 24 returns to normal.The slow-release function of slowly-releasing electromagnet 28 makes electrocar correct in the switching process of maloperation at chaufeur, keeps certain braking force.

Fig. 7 is the electric control schematic diagram of band brake protection acceleration device 6; after relay 26 actions; one of them open contact closure; connect caution indicator lamp 32; another open contact closure; connect slowly-releasing magnet coil 33, the power supply of controlling source switch 34 is cut off in the instantaneous disconnection of the normally closed contact of its time closing.After relay 26 resetted, two open contacts disconnected, caution indicator lamp 32 and slowly-releasing magnet coil 33 dead electricity; The power supply of controlling source switch 34 is connected in the normally closed contact time closing of time closing.The control power supply is connected in time-delay can prevent continuous maloperation.

Among Fig. 8, dual spring prestressed damping device 11 is equipped with the dual spring of intussusception, and the two ends of its outer spring 35 are welded or are crimped on the two ends of inner spring 36 respectively.Outer spring 35 is outside tension force all the time, is preset with inside pulling force during inner spring 36 unloaded operation states, is no tension force, no state of tension during the underloading mode of operation, is outside tension force during heavily loaded mode of operation.Perhaps the effect masterpiece of two springs exchanges design.

Among Fig. 9,10, the inboard of the braking plate disc brake 7 of band braking during standstill, be equiped with the multiple screw thread push rod 37 that has pull bar 38, when drawing braking during standstill, by pushing away before 37 deflections of steel cable 43 pulling pull bars 38 drive multiple screw thread push rods, promote brake piston 40 by pusher 39, make brake plate 41 clamp brake disc 42 and implement braking during standstill.

Among Figure 11,12, air damping buffer bumper 12 is equiped with several air valve dampers 44, air valve damper 44 is made up of damper push rod 45, damping piston 46 and damper tube 47, and be provided with slowly-releasing pore 48, demand according to the different automobile types different structure, the damper push rod 45 that can extend is installed in different positions with the different angle of air valve damper 44 usefulness.

Among Figure 13, steering angle signal electron diff 13 comprises revolver controller 52 and is right wheel controller 53, and at the spindle arm 49 corresponding positions of electrocar direction machine, left rotaring signal element 50 and right turn signal element 51 are installed, and wherein spindle arm 49 can replace its effect in steering angle signal electron diff 13 with the mechanical arm that is attached thereto the mechanical device that connects.

The principle of work of steering angle signal electron diff is: when electrocar is turned left, spindle arm 49 is shifted to left rotaring signal element 50, make it produce electric signal, reduce left side electric driving wheel 54 rotating speeds by revolver controller 52, or improve the rotating speed of right side electric driving wheel 55 by right wheel controller 53; When electrocar bent to right, spindle arm 49 is shifted to right turn signal element 51 made it produce electric signal, reduces the rotating speed of right side electric driving wheel 55 by right side wheel controller 53, or improved the rotating speed of left side electric driving wheel 54 by revolver controller 52.The power of the electric signal that left rotaring signal element 50 and right turn signal element 51 produces depends on the size of spindle arm 49 offset amplitudes, is determining left side electric driving wheel 54 and left side electric driving wheel 55 rotating speeds to improve or the size of the amplitude of reduction.

Claims

1. collapsible rim submicron electric car driven by electric machine with hub, comprise power accumulator (1) and controller (3), it is characterized in that: the collapsible rim submicron electric car driven by electric machine with hub adopts power accumulator (1) to do vehicular energy, do driving power with the supporting collapsible rim wheel hub motor (2) of design, control collapsible rim wheel hub motor (2) running by controller (3), the direct drive electrocar travels; Forward and backward four-wheel all is equipped with collapsible rim wheel hub motor (2), the branch that does not have main drive wheel and secondary drive wheel, according to the difference of road conditions, can in f-w-d, back-wheel drive, four wheel drive and four kinds of type of drive of bilateral wheel drive, select arbitrarily to switch by controller (3); The collapsible rim submicron electric car driven by electric machine with hub has adopted supporting super-mini casing (5) of customized design and handle type direction machine (4), has also adopted and has designed supporting band brake protection acceleration device (6), braking plate disc brake (7), dual spring prestressed damping device (11), air damping buffer bumper (12) and the steering angle signal electron diff (13) of band braking during standstill.

2. collapsible rim submicron electric car driven by electric machine with hub according to claim 1 is characterized in that: super-mini casing (5) is only established a single open-door (8) in a side, the cooresponding vehicle window that is provided with of opposite side; Adopt the setting of double seat, front seat (9) is placed in the middle, is the chaufeur single seat, and back vehicle seat (10) is two-seater or single seat, and the interlude of back vehicle seat (10) backrest can keep flat forward or backward.

3. collapsible rim submicron electric car driven by electric machine with hub according to claim 2, it is characterized in that: the back chamber door of super-mini casing (5) is divided into upward swing door (14) of upwards opening and the downward swing door of opening (15) downwards, upward swing door (14) in emergency circumstances can be used as emergency door and use, from outside, can open from interior, can keep flat fixing after downward swing door (15) is opened.

4. collapsible rim submicron electric car driven by electric machine with hub according to claim 1 is characterized in that: the operator of handle type direction machine (4) is being oval plate handgrip (16).

5. collapsible rim submicron electric car driven by electric machine with hub according to claim 4, it is characterized in that: the spindle arm (17) of handle type direction machine (4) is installed or is welded on the deflecting bar (19), one end of spindle arm (17) is provided with and is used to install the taper hole (18) that turns to direct bar, spindle arm (17) specially increases the weight of, and alleviates the impulsive force that oval plate handgrip (16) is subjected to itself gravity inertial.

6. collapsible rim submicron electric car driven by electric machine with hub according to claim 1 is characterized in that: be connected with below the acceleration pedal (20) of band brake protection acceleration device (6) and quicken push rod (21), also be provided with auxiliary braking push rod (24); Acceleration push rod (21) passes the connecting arm (25) of governor (23), can promote connecting arm (25) by recoil spring (22); Quicken the terminal corresponding position of push rod (21) and be equiped with the relay (26) that has movement arm (27), be provided with spacing between movement arm (27) and the acceleration push rod (21), this spacing equals to quicken the normal accelerating travel of push rod (21); It is the force that auxiliary braking push rod (24) places an end of acceleration pedal (20) below, the force end is equiped with slowly-releasing electromagnet (28), with electromagnetic power pulling auxiliary braking push rod (24), force and acceleration pedal are provided with spacing between (20), and this spacing equals the normal accelerating travel of acceleration pedal; Auxiliary braking push rod (24) passes the below of brake pedal (31), and is provided with spacing between the brake pedal (31), and this spacing is a bit larger tham the braking distance of brake pedal (31); The emphasis of auxiliary braking push rod (24) is located at interlude, brake push rod (30) passes this keypoint part in the mode of bearing fit and connects master brake cylinder (29), the protection glancing impact, promote auxiliary braking push rod (24) and can drive preceding the pushing away of brake push rod (30), during normal brake application, can not influence the normal brake application operation of brake push rod (30) because of the setting of auxiliary braking push rod (24); The other end of auxiliary braking push rod (24) is fixed on the car body as fulcrum.

7. collapsible rim submicron electric car driven by electric machine with hub according to claim 1, it is characterized in that: dual spring prestress slows down and shakes the dual spring that device (11) is installed the employing intussusception, and the two ends of its outer spring (35) are welded or are crimped on the two ends of inner spring (36) respectively; Outer spring (35) is outside tension force all the time, be provided with the inside pulling force of answering in advance during the unloaded and underloading mode of operation of inner spring (36), be situated between during the medium load mode of operation between tension force, the state of tension, be outside tension force during the heavy duty mode of operation, perhaps the effect masterpiece of two springs exchanges design.

8. collapsible rim submicron electric car driven by electric machine with hub according to claim 1, it is characterized in that: the inboard of the braking plate disc brake (7) of band braking during standstill, be equiped with a multiple screw thread push rod (37) that has pull bar (38), when drawing braking during standstill, by pushing away before the deflection of steel cable (43) pulling pull bar (38) drive multiple screw thread push rod (37), promote brake piston (40) by pusher (39), make brake plate (41) clamp brake disc (42) and implement braking during standstill.

9. collapsible rim submicron electric car driven by electric machine with hub according to claim 1, it is characterized in that: air damping buffer bumper (12) is equiped with several air valve dampers (44), air valve damper (44) is made up of damper push rod (45), damping piston (46) and damper tube (47), and be provided with slowly-releasing pore (48), needs according to the different automobile types different structure, the damper push rod (45) that can extend is installed in diverse location with air valve damper (44) with different angles.

10. collapsible rim submicron electric car driven by electric machine with hub according to claim 1, it is characterized in that: steering angle signal electron diff (13) comprises revolver controller (52) and is right wheel controller (53), and at the corresponding position of spindle arm (49) of electrocar direction machine, left rotaring signal element (50) and right turn signal element (51) are installed, and wherein spindle arm (49) can replace its effect in steering angle signal electron diff (13) with the mechanical arm that is attached thereto the mechanical device that connects.