CN206367550U - A kind of electric car for being easy to store - Google Patents

Abstract

The utility model discloses a kind of electric car for being easy to store, the forward and backward two parts association of electric car is connected by telescopic pedal assembly, and the skill element of folding step, parallel bars formula sleeve pipe and buffering locking tripartite face is integrated in the pedal assembly, three portion of techniques advantages are given full play in electric car the whole body.Consumer is that the length of wagon based on electric car power itself can be achieved to regulation by the operation readiness set including storage, relieving, length of wagon, the personnel for meeting various heights ride demand and the delivery demand of the turnover small space such as lift car, and more have in electric car ride length to appropriateness buffering ensure, ridden in safety and obtain perfect consumption experience with the aspect of convenient for collecting two.

Description

A kind of electric car for being easy to store

Technical field

The utility model is related to the electric car that a kind of Miniaturizable is stored, more particularly to one kind can length of wagon to it is flexible, The convenient labour-saving electric car of operation.

Background technology

With the quickening of people's rhythm of life, walking-replacing tool turns into after the third-largest traffic outside public transport, private savings automobile Instrument classification, and species is various, quickly grow.So-called species is various to be referred to include occupying the electric motor car with two wheels of mainstream market（Step on Plate is ridden）, it is the pulley of the three-wheeled electric vehicle that uses for individuals with disabilities and other relative minorities, slide plate, single wheel, electronic Folded bicycle, electrodynamic balance car or electric unicycle etc., more have the not far following personal knapsack that will occur or even popularize to fly Device.It is so-called to quickly grow the renewal rhythm for referring to follow public transport and private savings automobile closely, or even all kinds of behaviour that go even farther Stool control mode profit, spatial variations diversification, the walking-replacing tool that endurance is protruded is emerged in an endless stream, new product is continued to bring out.

As the development of vehicle technology is in various walking-replacing tools, electric motor car with two wheels already turns into vast cities and towns working clan Or a kind of necessary trip instrument in cottar's life.And wherein two-wheel electric scooter is even more with its sense of comfortably riding Gradually replaced traditional two-wheeled riding type electric car by, stance splashproof and powerful endurance.From the point of view of current data, two The per capita ownership for taking turns electric car exceeds the per capita ownership of private savings automobile, is that people bring out in crowded urban transportation Capable considerable ease.

However, such pedal electric vehicle is the battery that often configures of enhancing endurance mostly in more than 48v at present, by This causes vehicle body volume big.Vehicle body overall length reaches more than 1.75 meters, and some are configured with the electric car of front and rear safe buffering support very To more than 2 meters.This substantially increases the cost of transportation of such electric car, and is unfavorable in crowded city storage.To family Personally for, the car can not enter elevator or interior, influence the popularization and application in terms of its household.Even if existing patent is disclosed The pertinent literature stretched on electric vehicle body is proposed in document, but generally existing various hidden danger under comprehensive analysis, such as ties Caused by structure intensity is difficult to keep or stretching structure is stiff, anti-impact force is poor etc. electric car telescopic section structure service life it is short, Maintenance is difficult.

The content of the invention

In view of this, the purpose of this utility model is directed to a kind of electric car for being easy to store, and solves two-wheeled with this and steps on Plate electric car length of wagon to adjustability and operation ease problem, it is met the turnover of small space and receipts Receive.

Realizing the technical solution of the utility model above-mentioned purpose is：It is a kind of be easy to store electric car, with comprising Front-wheel, handlebar, the front truck unit of preceding kickstand, comprising trailing wheel, rear kickstand, cushion rear car unit, battery component and motor, Controller wherein set by battery component, motor and handlebar constitutes driving electric control circuit, it is characterised in that：Before the electric car Length of wagon is connected between car unit and rear car unit to flexible adjustable and positioning locking pedal assembly, the pedal group Part is made up of folding step, parallel bars formula tube unit and buffering lock cell, and the parallel bars formula tube unit is in released state It is lower to stretch and covered with the folding step of expansion shape, shrink in the unlocked state and the folding step covered with layered laminate, Stretch in the locked state limited, and the flexible kinetic energy based on motor positive and inverse of the pedal assembly is realized.

Further, the folding step has more than the two sections hard plate bodys or serobila being hinged and connected.

Further, the folding step along length of wagon to one end connect with preceding kickstand the fixed, other end Freely activity.

Further, the folding step has handle provided with being easy to turn over handle groove, handle aperture or the attaching of opening operation.

Further, the parallel bars formula tube unit includes the first set set by both sides integrally extension after preceding kickstand Pipe, integrally the second set sleeve pipe of extension and is divided into two piece supports of the body width to both sides before rear kickstand to both sides Pipe, one end geometrical clamps of two support tubes is located in first sleeve and the other end is worn and connect and slide fit is in the second sleeve pipe, two branch Folding step is assembled between stay tube, wherein the bottom of two support tubes offer body width to locating slot, described The bottom of two sleeve pipes is more than the locating rod accommodating hole of locating slot provided with opening.

Further, any support tube offers more than two positioning being distributed along length of wagon to discrete shape Groove, and the locating slot that is opened up of two support tubes is mapped to pair.

Further, the locating rod accommodating hole have along length of wagon to one section of buffer length.

Further, the relative groove provided with along length of wagon to extension in the top of two support tubes, and groove Spacing and the width of folding step match.

Further, the buffering lock cell is provided with left wing plate, right wing plate, locating rod, driving lever, buffer spring, reset Spring, driving lever support spring and crescent lock, wherein the left wing plate and right wing plate are parallel to each other and are articulated with rear kickstand On, wing plates on two sides it is relative provided with length of wagon to the strip open-work of extension and strip open-work it is front lower to provided with strip open-work It is not attached to logical single hole；The driving lever is connected in single hole and the inner is connected to a side wing, outer end by driving lever support spring The operable area of rear car stent outer is piercing in, and described group between a side wing and rear kickstand for correspondence driving lever outer end Bar is mounted on rear kickstand by back-moving spring；The locating rod is connected to slide fit in strip open-work, and the two ends of locating rod exist In locating slot and locating rod accommodating hole under lock-out state set by embedded parallel bars formula tube unit, and deviate to determine in the unlocked state Position groove；The driving lever and the discrete shape of locating rod are equipped with more than one buffer spring between wing plates on two sides；The crescent lock Button is integrally socketed on the driving lever between wing plates on two sides, and crescent lock is extended laterally provided with lateral pin, and the lateral pin direction is dialled Bar outer end passes the wing plate of respective side, is plugged in positioning in rear kickstand.

Further, the locating rod is segmentation reducing bar, and stage casing diameter of the locating rod between wing plates on two sides is more than Two outer section diameters of wing plates on two sides are passed, and two outer section matched compatibles are among locating slot.

Further, more than one spacing holding rod is equipped between the wing plates on two sides.

Further, the rear kickstand is also hinged provided with spike unit, and spike unit has and extends rear kickstand Bar is kicked in the operable area in outside.

Further, it is described to kick bar and the driving lever outer end homonymy or phase heteropleural set by buffering lock cell.

Using above-mentioned technical proposal of the present utility model, do not possess or possess folding, contractile function compared to currently all kinds of Electric motor car with two wheels possess significantly have technical effect that：Two parts are rigidly connected before and after pedal electric motor car with two wheels is ensured Supporting construction intensity under, further improve convenience and security reliability of the electric car length to shrinkage operation, electricity can be made Motor-car smoothly passes in and out the narrow spaces such as lift car using the electric car energy itself under riding condition, realizes that high-rise household is stopped The life requirement of charging, while the risk out of control of maloperation can efficiently and effectively be taken precautions against；On the other hand, introduce length of wagon to Buffer capacity, realize the effect of space multistory shock-absorbing being configured with the electric car of forward and backward shock-absorbing, occur vehicle collision Or in the case of front-wheel brake hard, can effectively offset the inertia of bicyclist, take precautions against turn over tumble injury to a certain extent.

Brief description of the drawings

Fig. 1 is that the utility model electric car extended configuration utilizes the schematic perspective view ridden.

Fig. 2 is the schematic perspective view that the utility model electric car contraction state is beneficial to store.

Fig. 3 is the structural representation of the utility model electric vehicle pedal component.

Fig. 4 is the hiding structural representation of pedal assembly part shown in Fig. 3.

Fig. 5 is the structural representation at another visual angle of pedal assembly shown in Fig. 3.

Embodiment

For make the technical solution of the utility model by it is clearer displaying and deeper into understanding, below just in conjunction with the embodiments Accompanying drawing is further non-limitingly described in detail to technical solutions of the utility model.In polynary electric vehicle structure, this reality With it is new have blanket implement amalgamation.

As stated in the Background Art, to there is length of wagon longer for existing two-wheeled pedal electric vehicle, and length is to non-adjustable or flexible The problem of more or less there is various drawbacks in structure.The utility model creator relies on experience and the creation for being engaged in the industry for many years Property research and development, explore and manufacture experimently, finally innovation proposing this kind be easy to store electric car, while propose association this kind it is electronic The special folding and unfolding method of car.

As depicted in figs. 1 and 2 from the point of view of the technical scheme of summary：This kind is easy to the electric car stored, with including front-wheel 13rd, the front truck unit 1 of handlebar 12, preceding kickstand 11, comprising trailing wheel 23, rear kickstand 21, cushion 22 rear car unit 2, battery Component（It is not shown）And motor 24, the wherein controller set by battery component, motor 24 and handlebar 12（This area conventional components, It is not shown）Driving electric control circuit is constituted, this is also the generic configuration structure of current such electric car.And it is used as the breakthrough of the application Property design, length of wagon is connected between the front truck unit 1 and rear car unit 2 of the electric car to flexible adjustable and positioning locking Pedal assembly 3.From the point of view of component, the pedal assembly 3 is by folding step 31, parallel bars formula tube unit 32 and latching buffer order Member 33 is constituted, and wherein parallel bars formula tube unit 32 can be stretched under the buffering released state of lock cell 33 and covered with expansion shape Folding step 31, can also be shunk and folding step covered with layered laminate under the buffering released state of lock cell 33 （Store shape）, stretched under the buffering lock-out state of lock cell 33 limited（Keep specific length of wagon）, and extremely close It is important that, the flexible kinetic energy based on the rotating of motor 24 of the pedal assembly 3 realizes that electric car folding and unfolding is realized in its control Mode will be described in detail below.

The substantive distinguishing features protruded for the pedal assembly 3 of intuitivism apprehension to the design and marked improvement.Refer to such as Fig. 1 The architectural feature shown to the preferred embodiment shown in Fig. 5, and it is as follows that the designing points of each several part details are described in detail.

First, as a part of the pedal assembly 3, above-mentioned folding step 31, which has more than two sections, is hinged phase Hard plate body even.Its in diagram embodiment is constituted to be hinged and connected by hard plate body 31a, 31b, 31c.For the electric car Speech, pedal is bicyclist's both feet and with the accommodation space of loading thing in ride, should meet and possess certain bearing load.Therefore The hard plate body used in the present embodiment generally can be stainless steel materials, paint other sheet metals of processing, plastic metal Sheet material or acrylic etc..But in view of reducing electric car car weight itself, above-mentioned folding step 31 is before bearing load satisfaction Deadweight should be reduced as far as possible by putting, and technical scheme is not construed as limiting to this.

In addition, from the embodiment of diagram, to ensure the integral assembleability of each component of the electric car, avoiding this collapsible Pedal 31 is surprisingly flown off from vehicle body, the folding step 31 along length of wagon to one end connect with preceding kickstand it is fixed, another End freely activity.That is hard plate body 31a connects with the preceding kickstand 11 of electric car away from carrying one end that 31b is hinged with hard plate Fixed, no matter which kind of state the folding step 31 is in, and the part exists with preceding kickstand 11 in affiliation all the time；And it is hard Scutum body 31c outer end then can be freely movable.Certainly also can under specific length of wagon with the movable overlap joint of rear kickstand 21（Can The structure type of choosing is various, and is familiar with extensively for those skilled in the art, protects and requires not as the application, therefore omits and say It is bright）.In addition, the folding step 31 also needs to possess certain convenient operation, be this thereon（The particularly hard plate of latter end Body 31c）Often attaching, which has, is easy to manually turn over the handle 311 for opening operation；, can on the premise of process conditions and cost permission With not attaching handle, and can be with punching press or milling shaping handle groove, handle aperture etc. on the hard plate body 31c surfaces of end.

Secondly, as one of core component of the pedal assembly 3, above-mentioned parallel bars formula tube unit 32 provides electronic The necessary condition of car length of wagon change.Visible as shown in the figure, the parallel bars formula tube unit 32 includes preceding kickstand 11 backward two Side one extends the second sleeve pipe 322 before set first sleeve 321, rear kickstand 21 set by both sides integrally extension and divided Located at two support tubes 323 from body width to both sides.And one end geometrical clamp of two support tubes 323 is located at first sleeve In 321 and the other end wear connect and slide fit in the second sleeve pipe 322, between two support tubes 323 be used for assemble folding step 31.This Sample one, which carrys out rear car unit, can take this gently to slide back and forth with respect to front truck unit along two support tubes, realize adjustment vehicle body length Degree.But the technical solution of the utility model innovative design does not stay in this, support tube and two sets based on the telescopic slide Pipe, the bottoms of wherein two support tubes 323 offer body width to locating slot 3231, and the bottom of the second sleeve pipe 322 It is more than the locating rod accommodating hole 3221 of locating slot 3231 provided with opening.The structure design of this part be and buffering lock cell 33 What associated components cooperated, and take this to realize many non-obvious technique effects.It should be noted that any above-mentioned Support tube 323 at least its length to two ends at offer two locating slots 3231（Vehicle body is corresponded to respectively stretches and store two The state of kind）, and the locating slot that is opened up of two support tubes 323 is mapped to pair, is beneficial to buffering lock cell 33 with this wide in vehicle body Spend to balanced locking.In addition, above-mentioned locating rod accommodating hole 3221 also design with along length of wagon to one section of buffer length, The necessary stroke space that electric car is buffered on direct of travel is met with this.

Furthermore, it is also the portion that the utility model needs emphasis to be described in detail as the most crucial part of the pedal assembly 3 Point, the buffering lock cell 33 is provided with left wing plate 331a, right wing plate 331b, locating rod 332, driving lever 333, buffer spring 334, multiple Position spring 335, driving lever support spring 336 and crescent lock 337.Its respective architectural feature and mutual assembled relation are by diagram Embodiment is as follows：Left wing plate 331a and right wing plate 331b are parallel to each other and are articulated with rear kickstand 21（Relative inner position）, The wing plates on two sides it is relative provided with length of wagon to the strip open-work 3311 of extension and in the front lower to being provided with and strip of strip open-work Open-work is not attached to logical single hole 3312；The driving lever 333 is connected in single hole 3312 and the inner B is supported by driving lever support spring 336 The operable area that left wing plate 331a, outer end A are piercing in the rear outside of kickstand 21 is connected to, and in correspondence outer end A right wing plate The driving lever 333 is mounted on rear kickstand 21 by back-moving spring 335 between 331b and rear kickstand 21；Locating rod 332 is connected to Slide fit in strip open-work 3311, and the two ends of locating rod 332 are embedded in determining set by parallel bars formula tube unit 32 in the locked state In position groove 3231 and locating rod accommodating hole 3221, and deviate from locating slot 3231 in the unlocked state；The driving lever between wing plates on two sides 333 and the discrete shape of locating rod 332 be equipped with two buffer springs 334, two are not limited to herein, can according to buffer intensity appropriateness Increase；Crescent lock 337 is integrally socketed on the driving lever 333 between wing plates on two sides, and crescent lock 337 is extended laterally Provided with lateral pin 3371, the outer end A of the lateral pin 3371 towards driving lever 333 passes right wing plate 331b, is plugged in rear kickstand 21（Right side Second sleeve pipe 322）Middle positioning.

In addition, going deep into excellent from illustrating visible the preferred embodiment and the partial component of the buffering lock cell 33 also proposed The structure design of change.From the point of view of respectively：The one locating rod 332 is segmentation reducing bar, during locating rod 332 is between wing plates on two sides 3322 diameters of section are more than the two outer section diameters 3321 for passing wing plates on two sides, and the two outer matched compatibles of section 3321 in locating slot 3231 it In.The structure can effectively it is spacing complete assembling locating rod, it is to avoid its in body width to being subjected to displacement, so as to ensure locating rod Activity orientation precision.More than one spacing holding rod 338 is equipped between the two wing plates on two sides, the spacing of wing plates on two sides is ensured Do not changed by the wing plate deformation caused by external force（The action of particularly driving lever reaches necessarily frequently quantity and thrust strength）.

In addition to the above-mentioned pedal assembly 3 being discussed in detail, the electric car is also hinged provided with spike unit 4 in rear kickstand 21, And the spike unit 4 kicks bar 41 with the operable area for extending the rear outside of kickstand 21.This architecture provides electric car Stop necessary support force, and is the routine techniques structure of current electric car, does not make protectiveness restriction, therefore expansion is not described in detail. And it should be noted that：Above-mentioned this kicks the bar 41 and outer end A of driving lever 333 set by buffering lock cell 33 and is located at phase heteropleural, more It is easy to the operation ease of bicyclist's both direction when riding and stopping, it is to avoid mutual interference.But undeniable obtained in mutual interference On the premise of overcoming, the embodiment that both are located at homonymy is also feasible, is emphasized hereby.

Above is the detailed description for the electric car preferred illustrated embodiment for being easy to store to the utility model, certainly except diagram Implement exception, the electric car there can also be other many-sided optional change modes.In short, 1., above-mentioned collapsible step on Plate is external except multisection type hard plate, can also be the serobila similar to watchband, crawler belt.Two sections obviously are exceeded well on its hop count, from Store from the point of view of can fold, can also coiling；It disclosure satisfy that from its structural strength from the point of view of expansion and trample and carry small freight. 2., any support tube offers more than two locating slots being distributed along length of wagon to discrete shape.So can be step by step Regulation length of wagon simultaneously locks, and meets different heights and custom of riding.3., the top of two support tubes is relative is provided with along vehicle body length The groove to extension is spent, and the spacing of the groove and the width of folding step match.Advantage of this is that collapsible step on Can be by body width to being accurately positioned after plate expansion, it is to avoid collapsible caused by compression of goods for laterally blowing, delivering etc. Pedal displacement deflection or situation about being thrown occur.

The folding and unfolding method of the utility model above preferred embodiment is further appreciated that from dynamic, more intuitively to understand this wound The advantage of work.This kind is easy to the flexible kinetic energy based on motor positive and inverse of the pedal assembly set by the electric car stored to realize, should Folding and unfolding method includes storing step S1-S3 and decontrols step S4-S6, by taking the dual brake rear-guard type electric car of diagram as an example, is described in detail such as Under.

When the electric car, which arrives at needs, stores turnover small space, S1, the electric car are in the length shown in Fig. 1 Under vehicle body state, operating personnel lift folding step manually first（Foregoing handle or handle groove, hole can be passed through）And to Front truck unit folding storage.Diagram is visible, and it is in layered laminate that wherein hard plate body is turned down from extension shape, when rear car list in subsequent step Member can be hidden in set by rear car unit under cushion close to folding step during front truck unit completely.

S2, operating personnel operate slow brake or against braking the front truck unit without motor by way of fixture The driving lever for rushing lock cell drives locating rod to deviate from from the locating slot of parallel bars formula tube unit, then manipulates handlebar and starts motor The second sleeve pipe for rotating forward, making parallel bars formula tube unit is drawn close along support tube towards the contraction of front slide, front truck unit and rear car unit.Should During division operation buffering lock cell and manipulation handlebar outside, without applying manpower.

S3, the kinetic energy of the motor are fallen into after electric car stores the locating slot of position in locating rod and offset totally, and electric car is in Short vehicle body state completes electric car and stored.

When the electric car needs outgoing ride, S4, the electric car are under the short vehicle body state shown in Fig. 2, operator Member is brake or against the front truck unit without motor is braked by way of fixture, the then driving lever of operation buffering lock cell Drive locating rod to deviate from from the locating slot of electric car storage position, then manipulate handlebar and start motor reversal, make parallel bars formula sleeve pipe Second sleeve pipe of unit is slided backwards along support tube, front truck unit and the separation of rear car unit are gradually remote.

S5, the kinetic energy of the motor are offseted totally after locating rod falls into the locating slot of electric car extension position, and electric car is in Long vehicle body state.

S6, as ending, operating personnel, which turn over, to open and is placed towards rear car unit unfolded formula pedal, then by folding step Completion electric car is decontroled between being positioned at two support tubes.

Combine in more detail from the point of view of diagram, driving lever drives locating rod from parallel bars formula sleeve pipe list in above-mentioned steps S2 and step S4 The process deviate from is in the locating slot of member：Operating the outer end A of the driving lever 333 first to press inward against compresses driving lever support spring 336 Until the lateral pin 3371 that crescent latches 337 is threaded off from rear kickstand 21, outer end A is then operated to push drive latching buffer order The wing plates on two sides of member 33 is rotated downwards slightly, then drives locating rod 332 to move down abjection locating slot 3231.As can be seen here, The buffering lock cell 33 provides the perfect locking of the pedal assembly and unblock solution, is latched in by crescent except car Locking of the body width beyond on direction is acted on, and driving lever has been taken precautions against conscientiously causes electric car to store by surprisingly stepping on In the case of occur significantly contraction distortion.Cause for this when carrying out vehicle storage, it is necessary to first press inward against a segment distance The lateral pin of crescent lock is threaded off, and then driving lever could have the stroke space for the activity of being trampled downwards.What is applied without external force In the case of, presence and deformation potential due to driving lever support spring and back-moving spring, above-mentioned buffering lock cell can in time certainly It is dynamic to reset, complete lock-out state.

Meanwhile, the second sleeve bottom of the parallel bars formula tube unit, which is set, has one section along length of wagon to buffer length Locating rod accommodating hole, the buffering lock cell sets strip open-work along from length of wagon to extension, is ridden speed change mistake in electric car During locating rod latches in journey neutralization procedure S3, S5, in the presence of buffer spring, the locating rod drives front truck unit relative Rear car unit can buffer displacement, and when cutting down front truck unit brake hard rear car unit inertia kinetic energy.

In addition to the folding and unfolding method of diagram embodiment electric car, adjustment of the electric car based on details in structure can also have Other polynary folding and unfolding control methods.

For example, the locating slot of the above-mentioned electric car extension position includes the vehicle body more than two along length of wagon to discrete distribution Fixed length locating slot.Thus, in step S4, S5 during the second sleeve pipe is slided backwards along support tube, the buffering lock cell Locating rod can sequentially through each bar vehicle body fixed length locating slot, and meet ride comfort level length of wagon under locating rod fall Enter vehicle body fixed length locating slot, the kinetic energy for offseting motor, locking vehicle body.So no matter bicyclist height ranges it is much, can relax Ride suitablely this electric car, and the method for regulation length of wagon is very easy.

On the other hand, the electric car can also be dual brake forerunner's type, i.e. motor is assemblied among front-wheel.So, walk Motor reversal drives front truck unit to move backwards in rear car brake unit, and step S2 in rapid S2 and step S4, electric in step S4 Machine, which is rotated forward, drives front truck unit to move forward.Other operating process are ibid.

To sum up with reference to embodiment illustrated be described in detail and a variety of detail embodiments be broadly described it is visible, using this The technical scheme of utility model, compared to it is current it is all kinds of do not possess or possess folding, the electric motor car with two wheels of contractile function is possessed Significantly have technical effect that：Under the rigidly connected supporting construction intensity of two parts before and after ensureing pedal electric motor car with two wheels, Convenience and security reliability of the electric car length to shrinkage operation are further improved, electric car can be made sharp under riding condition The narrow spaces such as lift car are smoothly passed in and out with the electric car energy itself, the life requirement of high-rise household stopping for charging are realized, together When can efficiently and effectively take precautions against the risk out of control of maloperation；On the other hand, introduce length of wagon to buffer capacity, configuration The effect of space multistory shock-absorbing is realized on the electric car for having forward and backward shock-absorbing, is occurring vehicle collision or front-wheel brake hard In the case of, the inertia of bicyclist can be effectively offseted, has taken precautions against turn over tumble injury to a certain extent.

It is to be understood that：Described above is only preferred embodiment of the present utility model, for the art For those of ordinary skill, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these Improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (13)

1. it is a kind of be easy to store electric car, with comprising front-wheel, handlebar, preceding kickstand front truck unit, include trailing wheel, rear car The rear car unit of support, cushion, battery component and motor, the controller wherein set by battery component, motor and handlebar constitute row Car electric control circuit, it is characterised in that：Length of wagon is connected between the front truck unit and rear car unit of the electric car to stretching Contracted adjustable and positioning locking pedal assembly, and the pedal assembly is locked by folding step, parallel bars formula tube unit and buffering Unit is constituted, and the parallel bars formula tube unit is stretched and covered with the folding step of expansion shape in the unlocked state, in unblock Shrink and the folding step covered with layered laminate, stretch in the locked state limited under state, and the pedal assembly is stretched The kinetic energy based on motor positive and inverse that contracts is realized.

2. it is easy to the electric car stored according to claim 1, it is characterised in that：The folding step has more than two sections The hard plate body or serobila being hinged and connected.

3. it is easy to the electric car stored according to claim 2, it is characterised in that：The folding step along length of wagon to One end connect with preceding kickstand the freely activity of the fixed, other end.

4. it is easy to the electric car stored according to claim 2, it is characterised in that：The folding step is provided with to be easy to turn over and opened Handle groove, handle aperture or the attaching of operation have handle.

5. it is easy to the electric car stored according to claim 1, it is characterised in that：The parallel bars formula tube unit includes front truck To the integral set first sleeve of extension in both sides after support, before rear kickstand to both sides integrally the second set sleeve pipe of extension and Two piece support tubes of the body width to both sides are divided into, one end geometrical clamp of two support tubes is located in first sleeve and the other end Wear connect and slide fit in the second sleeve pipe, folding step is assembled between two support tubes, wherein the bottom of two support tubes is opened Provided with body width to locating slot, the bottom of second sleeve pipe is more than the locating rod accommodating hole of locating slot provided with opening.

6. it is easy to the electric car stored according to claim 5, it is characterised in that：Any support tube offers two The locating slot being distributed above along length of wagon to discrete shape, and the locating slot that is opened up of two support tubes is mapped to pair.

7. it is easy to the electric car stored according to claim 5, it is characterised in that：The locating rod accommodating hole has along vehicle body Length to one section of buffer length.

8. it is easy to the electric car stored according to claim 5, it is characterised in that：The top of two support tubes is relative to be set There is the groove along length of wagon to extension, and the spacing of groove and the width of folding step match.

9. it is easy to the electric car stored according to claim 1, it is characterised in that：The buffering lock cell is provided with left wing Plate, right wing plate, locating rod, driving lever, buffer spring, back-moving spring, driving lever support spring and crescent lock, wherein the left wing Plate and right wing plate are parallel to each other and are articulated with rear kickstand, and wing plates on two sides is relative to be provided with strip open-work of the length of wagon to extension And in the front lower to provided with being not attached to logical single hole with strip open-work of strip open-work；The driving lever is connected in single hole and inner logical Cross driving lever support spring and be connected to the operable area that a side wing, outer end are piercing in rear car stent outer, and in correspondence driving lever The driving lever is mounted on rear kickstand by back-moving spring between the side wing and rear kickstand of outer end；The locating rod, which is worn, to be connect The slide fit in strip open-work, and the two ends of locating rod are embedded in locating slot set by parallel bars formula tube units and fixed in the locked state In the bar accommodating hole of position, and deviate from locating slot in the unlocked state；The driving lever and the discrete shape of locating rod connect and set between wing plates on two sides There is more than one buffer spring；The crescent lock is integrally socketed on the driving lever between wing plates on two sides, and crescent is locked Button is extended laterally provided with lateral pin, and the lateral pin passes the wing plate of respective side towards driving lever outer end, is plugged in positioning in rear kickstand.

10. it is easy to the electric car stored according to claim 9, it is characterised in that：The locating rod is segmentation reducing bar, fixed Stage casing diameter of the position bar between wing plates on two sides is more than the two outer section diameters for passing wing plates on two sides, and two outer section matched compatibles are in fixed Among the groove of position.

11. it is easy to the electric car stored according to claim 9, it is characterised in that：One is equipped between the wing plates on two sides Root above spacing holding rod.

12. it is easy to the electric car stored according to claim 1, it is characterised in that：The rear kickstand is also hinged provided with support Pin unit, and spike unit kicks bar with the operable area for extending rear car stent outer.

13. it is easy to the electric car stored according to claim 1, it is characterised in that：The rear kickstand is also hinged provided with support Pin unit, and spike unit kicks bar with the operable area for extending rear car stent outer.