CN106741479B

CN106741479B - Electric vehicle convenient to store and storing method thereof

Info

Publication number: CN106741479B
Application number: CN201710015174.9A
Authority: CN
Inventors: 吴凤松
Original assignee: Suzhou Natural Beauty Technology Co ltd
Current assignee: Suzhou Natural Beauty Technology Co ltd
Priority date: 2017-01-10
Filing date: 2017-01-10
Publication date: 2022-08-30
Anticipated expiration: 2037-01-10
Also published as: CN106741479A

Abstract

The invention discloses an electric vehicle convenient to store and a storing and releasing method thereof. The consumer can realize based on the automobile body length of electric motor car power to adjusting through the convenient operation including accomodating, releasing, automobile body length sets for, satisfies the personnel demand of riding of various heights and the delivery demand in narrow and small space, has length to moderate degree buffering guarantee more at the electric motor car in-process of riding moreover, rides safely and conveniently accomodates the two-sided perfect consumption experience that obtains.

Description

Electric vehicle convenient to store and storing method thereof

Technical Field

The invention relates to an electric vehicle capable of being stored in a small size, in particular to an electric vehicle capable of extending and contracting the length direction of a vehicle body and being convenient and labor-saving to operate and a storing and releasing method thereof.

Background

With the acceleration of the pace of life of people, the transportation means become the third largest transportation means category out of public transportation and private cars, and are various and rapidly developed. By a wide variety is meant that the backpack type comprises two-wheeled electric vehicles (pedals or rides) occupying the mainstream market, three-wheeled electric vehicles for disabled people, pulleys, sliding plates, single-row wheels, electric folding vehicles, electric balance vehicles or electric unicycles of other relatively small people, and the like, and more so, personal backpack type aircrafts will appear and even become popular in the near future. The rapid development means that a plurality of mobility tools with diversified spatial changes and outstanding cruising ability are developed continuously and new products are produced continuously along with the update rhythm of public transportation and private automobiles even if the change rhythm is too late and various operations and controls are convenient.

With the development of electric vehicle technology in various tools for riding instead of walk, the two-wheeled electric vehicle has become a necessary travel tool for the lives of residents in the vast towns and office workers or villages. The two-wheeled electric scooter replaces the traditional two-wheeled riding type electric vehicle gradually with comfortable riding feeling, splash prevention at the pedal and strong cruising ability. From the current data, the people of the two-wheeled electric vehicle all have the quantity that exceeds the people of private cars, and great convenience of going on a journey is brought to people in crowded urban traffic.

However, at present, the storage batteries of such pedal electric vehicles are often configured to be more than 48v for enhancing the cruising ability, so that the vehicle body is large in size. The total length of the vehicle body reaches more than 1.75 meters, and some electric vehicles provided with front and rear safety buffer supports even exceed 2 meters. This increases the transportation costs of such electric vehicles and is not conducive to storage in crowded cities. For family individuals, the car can not enter an elevator or a room, and popularization and application in the aspect of home are influenced. Even though the prior patent publications propose relevant documents about the expansion and contraction of the body of the electric vehicle, various hidden dangers generally exist under comprehensive analysis, such as short service life and difficult maintenance of the expansion and contraction part of the electric vehicle caused by difficult maintenance of structural strength, rigid expansion and contraction structure, poor impact resistance and the like.

Disclosure of Invention

In view of the above, the present invention is directed to a conveniently-stored electric vehicle and a storing method thereof, so as to solve the problems of adjustability of a two-wheeled pedal electric vehicle in a vehicle body length direction and convenience in operation, and further satisfy the requirements of entering and exiting and storing in a narrow space.

The technical solution for realizing the first object of the invention is as follows: the utility model provides an electric motor car convenient to accomodate has the front truck unit that contains front wheel, handlebar, front truck support, contains the back car unit of rear wheel, back car support, cushion, battery pack and motor, and wherein the controller that battery pack, motor and handlebar were established constitutes driving electric control loop, its characterized in that: the electric bicycle is characterized in that a pedal assembly which is adjustable in length direction of the bicycle body and is positioned and locked is connected between a front bicycle unit and a rear bicycle unit of the electric bicycle, the pedal assembly comprises a folding pedal, a parallel-bar type sleeve unit and a buffering locking unit, the parallel-bar type sleeve unit stretches and covers the unfolding folding pedal in an unlocking state, the parallel-bar type sleeve unit contracts and covers the folding pedal in a laminating state in the unlocking state, the stretching is limited in the locking state, and the stretching of the pedal assembly is realized based on the kinetic energy of forward and reverse rotation of a motor.

Further, the folding pedal is provided with more than two sections of hard plate bodies or chain bodies which are hinged and connected.

Furthermore, one end of the folding pedal along the length direction of the vehicle body is connected and fixed with the front vehicle bracket, and the other end of the folding pedal moves freely.

Further, the folding step is provided with a handle groove, a handle hole, or a handle attached thereto, which is easy to flip-open.

Furthermore, the parallel bar type sleeve unit comprises a first sleeve integrally extending towards two sides from the rear of the front vehicle support, a second sleeve integrally extending towards two sides from the front of the rear vehicle support and two support pipes respectively arranged at two sides from the width direction of the vehicle body, one end of each support pipe is fixedly clamped in the first sleeve, the other end of each support pipe is in cross connection with and is slidably arranged in the second sleeve, a folding pedal is assembled between the two support pipes, positioning grooves in the width direction of the vehicle body are formed in the bottoms of the two support pipes, and positioning rod accommodating holes with openings larger than the positioning grooves are formed in the bottom of the second sleeve.

Furthermore, more than two positioning grooves which are distributed in a discrete manner along the length direction of the vehicle body are formed in any one supporting tube, and the positioning grooves formed in the two supporting tubes are mapped into pairs.

Further, the locating rod receiving hole has a buffer length along the length direction of the vehicle body.

Furthermore, grooves extending along the length direction of the vehicle body are oppositely arranged at the tops of the two supporting pipes, and the distance between the grooves is matched with the width of the folding pedal.

Furthermore, the buffer locking unit is provided with a left wing plate, a right wing plate, a positioning rod, a shifting rod, a buffer spring, a reset spring, a shifting rod supporting spring and a crescent-shaped lock catch, wherein the left wing plate and the right wing plate are parallel to each other and hinged on the rear vehicle bracket, strip-shaped through holes extending in the length direction of the vehicle body are oppositely arranged on the wing plates on the two sides, and a single hole which is not communicated with the strip-shaped through holes is arranged in the front downward direction of the strip-shaped through holes; the shifting rod is connected in the single hole in a penetrating manner, the inner end of the shifting rod is abutted to a side wing plate through a shifting rod supporting spring, the outer end of the shifting rod penetrates out of an operable area on the outer side of the rear vehicle support, and the shifting rod is hung on the rear vehicle support through a return spring between the side wing plate corresponding to the outer end of the shifting rod and the rear vehicle support; the positioning rod is connected in the strip-shaped through hole in a penetrating mode in a sliding mode, two ends of the positioning rod are embedded into the positioning groove and the positioning rod accommodating hole which are formed in the parallel-bar type sleeve unit in a locking state, and the positioning rod is separated from the positioning groove in an unlocking state; more than one buffer spring is discretely connected between the deflector rod and the positioning rod between the wing plates at the two sides; the crescent lock catch is integrally sleeved on the shifting lever between the wing plates on the two sides, the crescent lock catch extends laterally to be provided with a transverse pin, and the transverse pin penetrates out of the wing plate on the corresponding side towards the outer end of the shifting lever and is inserted into the rear vehicle support to be positioned.

Furthermore, the positioning rod is a sectional reducing rod, the diameter of the middle section of the positioning rod between the wing plates at the two sides is larger than the diameter of the two outer sections penetrating through the wing plates at the two sides, and the two outer sections are matched and compatible in the positioning groove.

Furthermore, more than one spacing retaining rod is connected between the two side wing plates.

Furthermore, the rear vehicle support is also hinged with a supporting foot unit, and the supporting foot unit is provided with a kicking rod extending out of the operable area outside the rear vehicle support.

Furthermore, the kicking rod and the outer end of the deflector rod arranged on the buffering locking unit are arranged on the same side or different sides.

The technical solution for realizing the second objective of the invention is as follows: the utility model provides an electric motor car receive and release method convenient to accomodate, connect between the preceding car unit of electric motor car and the back car unit and be equipped with automobile body length to flexible adjustable and fix a position the pedal assembly of lock solid, the pedal assembly comprises foldable footboard, parallel bar formula sleeve pipe unit and buffering locking unit, its characterized in that: the extension and retraction of the pedal assembly are realized based on the kinetic energy of positive and negative rotation of the motor, the retraction and extension method comprises the steps of S1-S3 and the steps of S4-S6, wherein:

s1, when the electric vehicle is in a long vehicle body state, an operator manually lifts the folding pedal and folds and stores the folding pedal towards the front vehicle unit;

s2, an operator brakes a front vehicle unit or a rear vehicle unit without a motor in a braking or abutting mode, operates a shifting lever of a buffering locking unit to drive a positioning rod to be separated from a positioning groove of a parallel-bar type sleeve unit, and then operates a handlebar to start the motor to rotate so as to enable a second sleeve of the parallel-bar type sleeve unit to slide forwards along a supporting tube and enable the front vehicle unit and the rear vehicle unit to be retracted and close;

s3, the kinetic energy of the motor is counteracted completely after the positioning rod falls into a positioning groove of the electric vehicle storage position, and the electric vehicle is in a short vehicle body state to complete electric vehicle storage;

s4, when the electric vehicle is in a short vehicle body state, an operator brakes a front vehicle unit or a rear vehicle unit without a motor in a mode of braking or abutting against a fixed object, operates a shifting lever of a buffering locking unit to drive a positioning rod to be separated from a positioning groove of a storage position of the electric vehicle, and then controls a handlebar to start a motor to rotate, so that a second sleeve of a parallel-bar type sleeve unit slides backwards along a supporting pipe, and the front vehicle unit and the rear vehicle unit are separated from each other and are gradually far away;

s5, the kinetic energy of the motor is offset and exhausted after the positioning rod falls into a positioning groove of an extension position of the electric vehicle, and the electric vehicle is in a long-body state;

and S6, the operator turns over and unfolds the foldable pedal towards the rear vehicle unit, and then the foldable pedal is placed and positioned between the supporting pipes to release the electric vehicle.

Further, the process that the shift lever drives the positioning lever to be pulled out from the positioning slot of the parallel-bar type sleeve unit in the steps S2 and S4 is as follows: the outer end of the shifting rod is operated to be pressed inwards firstly to enable the shifting rod supporting spring to be compressed until the transverse pin of the crescent lock catch is released from the rear vehicle support, and then the outer end of the shifting rod is operated to be pressed downwards to drive the wing plates on the two sides of the buffering locking unit to rotate downwards, so that the positioning rod is driven to move downwards to be separated from the positioning groove.

Further, the electric vehicle is of a double-brake rear-drive type, the front vehicle unit brakes in steps S2 and S4, the motor rotates forward in step S2 to drive the rear vehicle unit to move forward, and the motor rotates backward in step S4 to drive the rear vehicle unit to move backward.

Further, the electric vehicle is a double-brake front-drive type, the rear vehicle unit brakes in steps S2 and S4, the motor rotates reversely in step S2 to drive the front vehicle unit to move backward, and the motor rotates forward in step S4 to drive the front vehicle unit to move forward.

Further, wherein the constant head tank in electric motor car extension position includes more than two along automobile body length to the automobile body fixed length constant head tank of discrete distribution, its characterized in that: in the process that the second sleeve slides backwards along the supporting tube in the steps of 4 and S5, the positioning rods of the buffering and locking units sequentially pass through the fixed-length positioning grooves of the vehicle body, fall into the fixed-length positioning grooves of the vehicle body under the length of the vehicle body meeting the riding comfort level, counteract the kinetic energy of the motor and lock the vehicle body.

Further, wherein the bottom of the second sleeve of the parallel bar type sleeve unit is provided with a positioning rod accommodating hole with a section of length along the length of the vehicle body to the buffer length, and the buffer locking unit is provided with a strip-shaped through hole extending along the length of the vehicle body, and the buffer locking unit is characterized in that: in the riding speed change process of the electric vehicle and the falling locking process of the positioning rod in the steps S3 and S5, the positioning rod drives the front vehicle unit to buffer and change the distance relative to the rear vehicle unit.

Compared with the prior two-wheeled electric vehicle without or with the folding and shrinking functions, the technical scheme of the invention has the remarkable technical effects that: under the condition of ensuring the strength of a supporting structure for rigidly connecting the front part and the rear part of the pedal type two-wheeled electric vehicle, the convenience and the safety reliability of the length-direction shrinkage operation of the electric vehicle are further improved, the electric vehicle can smoothly enter and exit a narrow space by utilizing the energy of the electric vehicle in a riding state, and meanwhile, the out-of-control risk of misoperation can be practically and effectively prevented; on the other hand, the buffer capacity in the length direction of the vehicle body is introduced, the space three-dimensional shock absorption effect is realized on the electric vehicle provided with the front shock absorption function and the rear shock absorption function, the inertia of a rider can be effectively offset under the condition of vehicle collision or front wheel emergency braking, and the falling and falling injuries are prevented to a certain extent.

Drawings

Fig. 1 is a schematic perspective view of the electric vehicle according to the present invention in an extended state.

Fig. 2 is a schematic perspective view of the electric vehicle of the present invention in a retracted state for easy storage.

Fig. 3 is a schematic structural view of the pedal assembly of the electric vehicle of the present invention.

Fig. 4 is a partially hidden, schematic view of the pedal assembly of fig. 3.

Fig. 5 is a schematic view of the pedal assembly of fig. 3 from another perspective.

Detailed Description

In order to make the technical solution of the present invention more clearly shown and more deeply understood, the following non-limiting detailed description of the technical solution of the present invention is made with reference to the accompanying drawings of the embodiment. In a multi-element electric vehicle structure, the invention has universally applicable implementable fusion.

As described in the background art, the existing two-wheel pedal electric vehicle has the problems of long vehicle body length, non-adjustable length direction or more or less telescopic structures with various disadvantages. The inventor finally creatively provides the electric vehicle convenient to store by means of experience and creative research, exploration and trial production of the industry for many years, and simultaneously provides a special collecting and releasing method related to the electric vehicle.

From the summary solution as shown in fig. 1 and 2: the electric vehicle convenient for storage comprises a front vehicle unit 1 comprising a front wheel 13, a handle 12 and a front vehicle support 11, a rear vehicle unit 2 comprising a rear wheel 23, a rear vehicle support 21 and a cushion 22, a battery assembly (not shown) and a motor 24, wherein a controller (conventional parts in the field and not shown) arranged on the battery assembly, the motor 24 and the handle 12 forms a driving electric control loop, and the structure is also a general configuration structure of the electric vehicle. As a breakthrough design of the electric vehicle, a pedal assembly 3 with a vehicle body length adjustable in a telescopic way and capable of being positioned and locked is connected between a front vehicle unit 1 and a rear vehicle unit 2 of the electric vehicle. From the viewpoint of the components, the pedal assembly 3 is composed of a foldable pedal 31, a parallel-bar type sleeve unit 32 and a buffer locking unit 33, wherein the parallel-bar type sleeve unit 32 can be stretched and covered with the foldable pedal 31 in an unfolded state when the buffer locking unit 33 is unlocked, the foldable pedal in a laminated state (i.e. in a storage state) can be contracted and covered when the buffer locking unit 33 is unlocked, the expansion and contraction of the pedal assembly 3 are limited (i.e. a specific vehicle body length is kept) when the buffer locking unit 33 is locked, and the important point is that the expansion and contraction of the pedal assembly 3 are realized based on the kinetic energy of the forward and reverse rotation of the motor 24, and the mode for controlling the electric vehicle to be stored and released is detailed later.

The outstanding substantive features and the significant advancement of the pedal assembly 3 of the present design are intuitively understood. Please refer to the structural features shown in the preferred embodiment shown in fig. 1 to 5, and the design points detailing the details of the parts are as follows.

First, the foldable pedal 31 has two or more sections of hard plates hinged together as an integral part of the pedal assembly 3. Which in the illustrated embodiment is formed by hingedly connecting

rigid plates

31a, 31b, 31 c. For the electric vehicle, the pedal is a containing space for both feet of a rider and goods during riding, and certain bearing load is required. Therefore, the hard plate body adopted in the embodiment can be a stainless steel plate, a painted other metal plate, a plastic-coated metal plate or acrylic and the like. However, in view of reducing the weight of the electric vehicle itself, the weight of the foldable pedal 31 should be reduced as much as possible on the premise that the load is satisfied, and the technical solution of the present application is not limited thereto.

In the illustrated embodiment, in order to ensure the integral assembly of the components of the electric vehicle and prevent the foldable step 31 from accidentally falling off the vehicle body, one end of the foldable step 31 in the longitudinal direction of the vehicle body is fixed to a front frame and the other end is movable. Namely, one end of the hard plate body 31a, which is far away from the end hinged with the hard plate handle 31b, is connected and fixed with the front frame bracket 11 of the electric vehicle, and no matter what state the foldable pedal 31 is, the part always has an auxiliary relationship with the front frame bracket 11; while the outer end of the hard plate 31c is freely movable. Of course, the rear frame 21 can be movably connected to the vehicle body at a specific length (the structure is various and widely known to those skilled in the art, and the description is omitted because it is not required for protection). In addition, the foldable pedal 31 also needs to have certain convenient operability, and for this reason, a handle 311 which is easy to be turned over manually is often attached to the foldable pedal (especially the hard plate 31c at the end); under the condition that the process conditions and the cost allow, the handle can be not attached, and the handle groove, the handle hole and the like can be formed on the surface of the hard plate body 31c at the tail end in a stamping or milling mode.

Secondly, the above-mentioned parallel-bar type bushing unit 32 provides a necessary condition for the length change of the body of the electric vehicle as one of the core components of the pedal assembly 3. As shown in the drawings, the parallel-bar type casing unit 32 includes a first casing 321 extending integrally from the rear side of the front frame 11, a second casing 322 extending integrally from the front side of the rear frame 21, and two support pipes 323 arranged on the two sides of the vehicle body in the width direction. One end of each of the two support tubes 323 is fixedly clamped in the first sleeve 321, and the other end is inserted into and slidably fitted in the second sleeve 322, and the foldable pedal 31 is assembled between the two support tubes 323. The rear vehicle unit can slide back and forth smoothly relative to the front vehicle unit along the two supporting pipes, and the length of the vehicle body can be adjusted. However, the innovative design of the technical solution of the present invention does not stay in this situation, and based on the telescopic sliding support tube and the two sleeves, the positioning groove 3231 with the width direction of the vehicle body is formed at the bottom of the two support tubes 323, and the positioning rod receiving hole 3221 with the opening larger than the positioning groove 3231 is formed at the bottom of the second sleeve 322. The structural design of this part is such as to cooperate with the relevant components of the cushion locking unit 33 and thereby achieve a number of non-obvious technical effects. It should be noted that at least two positioning grooves 3231 (corresponding to two states of extending and accommodating of the vehicle body respectively) are formed at two ends of any one of the support pipes 323 in the length direction, and the positioning grooves formed in the two support pipes 323 are mapped in pairs, so as to facilitate the balanced locking of the buffer locking unit 33 in the width direction of the vehicle body. In addition, the positioning rod receiving hole 3221 is further designed to have a buffer length along the length direction of the vehicle body, so as to satisfy a necessary stroke space for buffering the electric vehicle in the traveling direction.

Furthermore, as the most central components of the pedal assembly 3, which are also the parts of the present invention that need to be described in detail, the cushion locking unit 33 is provided with a left wing plate 331a, a right wing plate 331b, a positioning rod 332, a shift lever 333, a cushion spring 334, a return spring 335, a shift lever support spring 336 and a crescent-shaped lock 337. The respective structural features and the mutual assembly relationships are as follows in the illustrated embodiment: the left wing plate 331a and the right wing plate 331b are parallel to each other and hinged to the rear frame 21 (opposite inner side positions), the two wing plates are provided with strip-shaped through holes 3311 extending in the length direction of the vehicle body and single holes 3312 not communicated with the strip-shaped through holes are provided in the front and lower direction of the strip-shaped through holes; the shift lever 333 is inserted into the single hole 3312, the inner end B abuts against the left wing plate 331a through the shift lever support spring 336, the outer end a is inserted into the operable area outside the rear frame 21, and the shift lever 333 is hung on the rear frame 21 through the return spring 335 between the right wing plate 331B corresponding to the outer end a and the rear frame 21; the positioning rod 332 is inserted into the strip through hole 3311 for sliding fit, and two ends of the positioning rod 332 are embedded into the positioning groove 3231 and the positioning rod accommodating hole 3221 of the parallel bar type casing unit 32 in a locking state and are separated from the positioning groove 3231 in an unlocking state; two buffer springs 334 are connected between the deflector rod 333 and the positioning rod 332 in a discrete manner, and the number of the buffer springs is not limited to two, and can be increased appropriately according to the buffer strength; the crescent lock 337 is integrally sleeved on the shift lever 333 between the two side wing plates, and the crescent lock 337 extends laterally to form a cross pin 3371, and the cross pin 3371 extends out of the right wing plate 331b towards the outer end a of the shift lever 333 and is inserted into the rear bracket 21 (the right second sleeve 322) for positioning.

In addition, it can be seen from the illustration that the preferred embodiment also provides a deeply optimized structural design for some of the components of the cushion locking unit 33. Respectively seeing: the middle section 3322 of the positioning rod 332 between the two side wing plates is larger than the diameter 3321 of the two outer sections penetrating through the two side wing plates, and the two outer sections 3321 are matched and accommodated in the positioning groove 3231. The structure can effectively limit the positioning rod for completing assembly, and avoids displacement of the positioning rod in the width direction of the vehicle body, thereby ensuring the movable positioning precision of the positioning rod. More than one spacing retaining rod 338 is connected between the wing plates at both sides to ensure that the spacing between the wing plates at both sides is not changed by the deformation of the wing plates caused by external force (especially the action of the shift lever reaches a certain frequent quantity and thrust strength).

In addition to the pedal assembly 3 described in detail above, the electric vehicle is further provided with a kickstand unit 4 in an articulated manner at the rear vehicle bracket 21, and the kickstand unit 4 has a kickstand 41 extending out of an operable area outside the rear vehicle bracket 21. The structure provides necessary supporting force for parking the electric vehicle, is a conventional technical structure of the current electric vehicle, is not limited in protection, and is not detailed and expanded. Furthermore, it should be noted that: the kicking rod 41 and the outer end A of the shift lever 333 arranged on the buffering locking unit 33 are positioned on different sides, so that the operation convenience of the rider in two directions during riding and parking is facilitated, and mutual interference is avoided. However, it is undeniable that embodiments in which the two are located on the same side are also possible on the premise that the mutual interference is overcome, and therefore the emphasis is placed.

The foregoing is a detailed description of the illustrated preferred embodiment of the electric vehicle convenient for storage according to the present invention, and it is to be understood that the electric vehicle may have other alternative embodiments besides the illustrated embodiment. In short, the foldable step described above may be a chain similar to a watch band or a crawler belt, in addition to the multi-segment hard plate. Obviously, the number of the sections of the folding type folding device far exceeds two sections, and the folding type; the structural strength of the pedal can meet the requirements of stepping and bearing small cargos when the pedal is unfolded. And any one supporting tube is provided with more than two positioning grooves which are distributed discretely along the length direction of the vehicle body. Therefore, the length of the bicycle body can be adjusted step by step and locked, and different heights and riding habits are met. And thirdly, grooves extending along the length direction of the vehicle body are oppositely arranged at the tops of the two supporting pipes, and the distance between the grooves is matched with the width of the folding pedal. The foldable pedal has the advantages that the foldable pedal can be accurately positioned by the width direction of the vehicle body after being unfolded, and the situation that the foldable pedal is deflected or overturned due to lateral wind, the pressure stress of carried goods and the like is avoided.

The retraction method of the above preferred embodiment of the present invention is further understood from the dynamic state to more intuitively understand the advantages of the present creation. The extension and retraction of the pedal assembly arranged on the electric vehicle convenient to store is realized based on the kinetic energy of positive and negative rotation of the motor, the storing and releasing method comprises storing steps S1-S3 and releasing steps S4-S6, and the double-brake rear-drive type electric vehicle is taken as an example and detailed as follows.

When the electric vehicle reaches a destination and needs to be stored in a narrow space, the electric vehicle is in a long vehicle body state shown in fig. 1 at S1, and an operator first manually lifts the foldable step (which can be folded and stored in the front vehicle unit through the handle, the handle groove, or the hole). It can be seen that the rigid panels are folded from an extended position to a stacked position, so that the foldable deck can be stowed beneath the seat cushion of the rear unit when the rear unit is fully adjacent the front unit in a subsequent step.

S2, an operator brakes the front vehicle unit without the motor through a brake or a mode of abutting against a fixed object, operates the shifting rod of the buffering locking unit to drive the positioning rod to be separated from the positioning groove of the parallel-bar type sleeve unit, and then controls the handlebar to start the motor to rotate forward to enable the second sleeve of the parallel-bar type sleeve unit to slide forward along the supporting tube and enable the front vehicle unit and the rear vehicle unit to retract and approach. In the process, no manpower is required to be applied except for operating the buffering locking unit and operating the handle.

S3, the kinetic energy of the motor is offset completely after the positioning rod falls into the positioning groove of the electric vehicle storage position, and the electric vehicle is in a short vehicle body state and is stored.

When this electric motor car need go out to ride, S4, this electric motor car are in under the short automobile body state that fig. 2 shows, operating personnel through the brake or lean on the mode braking that leans on the fixture not contain the front truck unit of motor, then the driving lever of operation buffering locking unit drives the locating lever and takes in the constant head tank of position and deviate from the electric motor car, then control handlebar starter motor reversal, make the second sleeve pipe of parallel bar formula bushing unit slide along the stay tube towards the back, front truck unit and back truck unit separation are gradually far away.

S5, the kinetic energy of the motor is cancelled out after the positioning rod falls into the positioning groove of the electric vehicle extension position, and the electric vehicle is in a long vehicle body state.

And S6, taking the step as ending, turning over and unfolding the foldable pedal towards the rear vehicle unit by an operator, and placing and positioning the foldable pedal between the two supporting pipes to release the electric vehicle.

In more detail, referring to the drawings, the process of the step S2 and the step S4 in which the lever drives the positioning rod to be pulled out from the positioning slot of the parallel-bar bushing unit includes: the outer end a of the driving lever 333 is operated to press inward to compress the driving lever supporting spring 336 until the cross pin 3371 of the crescent-shaped lock 337 is disengaged from the rear frame 21, and then the outer end a is operated to press downward to drive the two side wing plates of the buffering locking unit 33 to rotate slightly downward, thereby driving the positioning rod 332 to move downward to disengage from the positioning groove 3231. Therefore, the buffer locking unit 33 provides a perfect locking and unlocking solution for the pedal assembly, and the locking function of the crescent lock in the directions except the width direction of the vehicle body can practically prevent the driving lever from being accidentally stepped to cause large shrinkage deformation of the electric vehicle under the condition of not needing to be stored. Therefore, when the vehicle is stored, the transverse pin of the crescent lock catch is disengaged by pressing inwards for a certain distance, and then the deflector rod can have a stroke space which is treaded downwards. Under the condition of no external force, the buffer locking unit can automatically reset in time to complete the locking state due to the existence of the deflector rod supporting spring and the return spring and deformation potential energy.

Simultaneously, this parallel bar formula bushing unit 'S second sleeve pipe bottom sets up has one section locating lever accommodation hole to buffering length along automobile body length, and this buffering locking unit sets up along the strip thru hole of automobile body length to extension, and in the variable speed in-process of riding of electric motor car and step S3, S5 locating lever locking in-process, under buffer spring' S effect, this locating lever drives the relative back car unit of front truck unit and can cushion the displacement to the inertia kinetic energy of back car unit when subduing front truck unit emergency braking.

Besides the method for storing and releasing the electric vehicle in the illustrated embodiment, the electric vehicle may have other diversified storing and releasing control methods based on the adjustment of the structural details.

For example, the positioning groove of the electric vehicle extension station comprises more than two vehicle body fixed-length positioning grooves which are discretely distributed along the length direction of the vehicle body. Therefore, in the process that the second sleeve slides backwards along the supporting tube in the steps S4 and S5, the positioning rod of the buffering and locking unit can sequentially pass through the fixed-length positioning grooves of the vehicle body, and falls into the fixed-length positioning grooves of the vehicle body under the vehicle body length meeting the riding comfort level, the kinetic energy of the motor is offset, and the vehicle body is locked. Therefore, the electric vehicle can be ridden comfortably no matter how large the height range of the rider is, and the method for adjusting the length of the vehicle body is very simple and convenient.

On the other hand, the electric vehicle can also be a double-brake front-drive type, namely the motor is assembled in the front wheel. Thus, the rear vehicle unit is braked in step S2 and step S4, and the motor rotates backward in step S2 to move the front vehicle unit backward, and the motor rotates forward in step S4 to move the front vehicle unit forward. The other operation processes are the same as the above.

In summary, with reference to the detailed description of the preferred embodiment and the general description of various detailed embodiments, it can be seen that, compared with various current two-wheeled electric vehicles without or with folding and shrinking functions, the technical solution of the present invention has the following significant technical effects: under the condition of ensuring the strength of a supporting structure for rigidly connecting the front part and the rear part of the pedal type two-wheeled electric vehicle, the convenience and the safety reliability of the length-direction contraction operation of the electric vehicle are further improved, the electric vehicle can smoothly enter and exit a narrow space by utilizing the energy of the electric vehicle in a riding state, and meanwhile, the out-of-control risk of misoperation can be practically and effectively prevented; on the other hand, the buffer capacity in the length direction of the vehicle body is introduced, the space three-dimensional shock absorption effect is realized on the electric vehicle provided with the front shock absorption function and the rear shock absorption function, the inertia of a rider can be effectively offset under the condition of vehicle collision or front wheel emergency braking, and the falling and falling injuries are prevented to a certain extent.

It is to be understood that: the foregoing is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements should be considered as the protection scope of the present invention.

Claims

1. The utility model provides an electric motor car convenient to accomodate has the preceding car unit that contains front wheel, handlebar, preceding car support, contains the back car unit of rear wheel, back car support, cushion, battery pack and motor, and wherein the controller that battery pack, motor and handlebar were established constitutes driving electric control circuit, its characterized in that: a pedal assembly which is adjustable in length of the vehicle body and is positioned and locked is connected between the front vehicle unit and the rear vehicle unit of the electric vehicle, the pedal assembly consists of a folding pedal, a parallel-bar type sleeve unit and a buffering and locking unit, wherein the folding pedal is provided with more than two sections of hard plate bodies or chain bodies which are hinged and connected, one end in the length direction of the vehicle body is connected and fixed with the front vehicle support, and the other end moves freely; the buffer locking unit is provided with a left wing plate, a right wing plate, a positioning rod, a shifting rod, a buffer spring, a reset spring, a shifting rod supporting spring and a crescent lock catch, the left wing plate and the right wing plate are parallel to each other and hinged on the rear vehicle bracket, strip-shaped through holes extending in the length direction of the vehicle body are oppositely arranged on the wing plates on the two sides, and single holes which are not communicated with the strip-shaped through holes are arranged in the front of and below the strip-shaped through holes in the downward direction; the positioning rod is a sectional reducing rod, the diameter of the middle section of the positioning rod between the wing plates at the two sides is larger than the diameter of the two outer sections penetrating through the wing plates at the two sides, and the two outer sections are matched and contained in the positioning groove; the shifting rod is connected in the single hole in a penetrating manner, the inner end of the shifting rod is abutted to a side wing plate through a shifting rod supporting spring, the outer end of the shifting rod penetrates out of an operable area on the outer side of the rear vehicle support, and the shifting rod is hung on the rear vehicle support through a return spring between the side wing plate corresponding to the outer end of the shifting rod and the rear vehicle support; the positioning rod is connected in the strip-shaped through hole in a penetrating mode in a sliding mode, two ends of the positioning rod are embedded into the positioning groove and the positioning rod accommodating hole which are formed in the parallel-bar type sleeve unit in a locking state, and the positioning rod is separated from the positioning groove in an unlocking state; more than one buffer spring is discretely connected between the deflector rod and the positioning rod between the wing plates on the two sides; the crescent lock catch is integrally sleeved on the shifting lever between the wing plates on the two sides, the crescent lock catch is laterally extended and provided with a transverse pin, and the transverse pin penetrates out of the wing plate on the corresponding side towards the outer end of the shifting lever and is inserted into the rear vehicle support for positioning; the parallel bar type sleeve unit stretches and covers the unfolded foldable pedals in the unlocking state, contracts and covers the folded pedals in the stacking state in the unlocking state, is limited in stretching and retracting in the locking state, and the stretching and retracting of the pedal assembly are realized based on the kinetic energy of the forward and reverse rotation of the motor.

2. The conveniently stowable electric vehicle of claim 1, wherein: the folding pedal is provided with a handle groove and a handle hole which are easy to turn over and open or is provided with a handle.

3. The conveniently stowable electric vehicle of claim 1, wherein: the parallel bar type sleeve unit comprises a first sleeve extending integrally from the rear side of a front vehicle support to the two sides, a second sleeve extending integrally from the front side of a rear vehicle support to the two sides, and two support pipes arranged from the width of a vehicle body to the two sides, wherein one end of each support pipe is fixedly clamped in the first sleeve, the other end of each support pipe is in cross connection with and is in sliding fit with the second sleeve, a folding pedal is assembled between the two support pipes, positioning grooves with the width of the vehicle body in the direction are formed in the bottoms of the two support pipes, and positioning rod accommodating holes with openings larger than the positioning grooves are formed in the bottoms of the second sleeves.

4. The stowable electric vehicle of claim 3, wherein: and more than two positioning grooves which are distributed in a discrete shape along the length of the vehicle body are formed in any one supporting tube, and the positioning grooves formed in the two supporting tubes are mapped in pairs.

5. The stowable electric vehicle of claim 3, wherein: the locating rod containing hole is provided with a buffer length along the length direction of the vehicle body.

6. The stowable electric vehicle of claim 3, wherein: the tops of the two supporting pipes are oppositely provided with grooves extending along the length direction of the vehicle body, and the distance between the grooves is matched with the width of the folding pedal.

7. The conveniently stowable electric vehicle of claim 1, wherein: more than one spacing retaining rod is connected between the two side wing plates.

8. The conveniently stowable electric vehicle of claim 1, wherein: the rear vehicle support is further hinged with a supporting foot unit, and the supporting foot unit is provided with a kicking rod extending out of an operable area outside the rear vehicle support.

9. The stowable electric vehicle of claim 8, wherein: the kicking rod and the outer end of the deflector rod arranged on the buffering locking unit are arranged on the same side or different sides.

10. An electric vehicle folding and unfolding method convenient to store is achieved based on the electric vehicle of any one of claims 1 to 9, and is characterized in that: the extension and retraction of the pedal assembly are realized based on the kinetic energy of positive and negative rotation of the motor, the retraction and release method comprises the steps of S1-S3 and S4-S6, wherein:

s5, the kinetic energy of the motor is offset and exhausted after the positioning rod falls into a positioning groove of an electric vehicle extension position, and the electric vehicle is in a long vehicle body state;

11. The method for storing an electric vehicle convenient to store as claimed in claim 10, wherein: the process that the deflector rod drives the positioning rod to be separated from the positioning groove of the parallel-bar type sleeve unit in the step S2 and the step S4 is as follows: the outer end of the shifting rod is operated to be pressed inwards firstly to enable the shifting rod supporting spring to be compressed until the transverse pin of the crescent lock catch is released from the rear vehicle support, and then the outer end of the shifting rod is operated to be pressed downwards to drive the wing plates on the two sides of the buffering locking unit to rotate downwards, so that the positioning rod is driven to move downwards to be separated from the positioning groove.

12. The method of storing an electric vehicle as recited in claim 10, wherein: the electric vehicle is of a double-brake rear-drive type, the front vehicle unit brakes in the step S2 and the step S4, the motor rotates forwards to drive the rear vehicle unit to move forwards in the step S2, and the motor rotates backwards to drive the rear vehicle unit to move backwards in the step S4.

13. The method for storing an electric vehicle convenient to store as claimed in claim 10, wherein: the electric vehicle is of a double-brake front-driving type, the rear vehicle unit brakes in the steps S2 and S4, the motor rotates reversely to drive the front vehicle unit to move backwards in the step S2, and the motor rotates forwards to drive the front vehicle unit to move forwards in the step S4.

14. The conveniently-stored electric vehicle retracting method according to claim 10, wherein the positioning groove of the electric vehicle extending station comprises more than two vehicle body fixed-length positioning grooves which are discretely distributed along the length direction of the vehicle body, and the method is characterized in that: in the process that the second sleeve slides backwards along the supporting tube in the steps S4 and S5, the positioning rod of the buffering locking unit sequentially passes through each fixed-length positioning groove of the vehicle body, and falls into the fixed-length positioning groove of the vehicle body under the vehicle body length meeting the riding comfort level, the kinetic energy of the motor is offset, and the vehicle body is locked.

15. The method for storing and releasing an electric vehicle convenient to store according to claim 10, wherein a positioning rod receiving hole is formed at the bottom of the second sleeve of the parallel-bar type sleeve unit along the length direction of the vehicle body and has a buffering length, and the buffering locking unit is provided with a strip-shaped through hole extending along the length direction of the vehicle body, and the method is characterized in that: in the riding speed change process of the electric vehicle and the falling locking process of the positioning rod in the steps S3 and S5, the positioning rod drives the front vehicle unit to buffer and change the distance relative to the rear vehicle unit.