CN106741439A - Electric motor car with two wheels - Google Patents
Electric motor car with two wheels Download PDFInfo
- Publication number
- CN106741439A CN106741439A CN201710004684.6A CN201710004684A CN106741439A CN 106741439 A CN106741439 A CN 106741439A CN 201710004684 A CN201710004684 A CN 201710004684A CN 106741439 A CN106741439 A CN 106741439A
- Authority
- CN
- China
- Prior art keywords
- supporting leg
- foot stool
- electric motor
- car
- wheels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H1/00—Supports or stands forming part of or attached to cycles
- B62H1/10—Supports or stands forming part of or attached to cycles involving means providing for a stabilised ride
- B62H1/12—Supports or stands forming part of or attached to cycles involving means providing for a stabilised ride using additional wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J17/00—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for
- B62J17/08—Hoods protecting the rider
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K2204/00—Adaptations for driving cycles by electric motor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The present invention gives a kind of electric motor car with two wheels, with the foot stool supporting leg that can be risen and fallen on the electromobile frame, foot stool supporting leg uses double rocker mechanism component, driven with motor, and the automatic lifting/lowering support of foot stool supporting leg is realized with control assembly, after such structure and component, foot stool supporting leg can be according to the height automatic lifting/lowering support of speed, and no matter which kind of situation can make vehicle body obtain reliable balance.Without as existing electric motor car, it is sometimes desirable to which driver supports ground to obtain car body balance with pin.The electric motor car also carries car shell and roof, can be provided to driver and preferably protected, and the comfortableness of driving is greatly improved.
Description
Technical field
The present invention relates to a kind of electric motor car with two wheels.
Background technology
The electric motor car of two-wheeled is a kind of highly important vehicles.Existing electric motor car with two wheels is from bicycle or motorcycle
Transformation, agent structure is identical with bicycle, and different is simply changed to motorized motions by foot-operated driving.Above-mentioned two-wheeled
Electric motor car be full unenclosed construction.Summer, rider will bear burning sun exposure；Winter, rider will bear sharp cold wind；
Rainy day, rider must wear raincoat；Even bright and sunny spring and autumn, rider will also bear ultraviolet irradiation.In a word,
Existing electric motor car with two wheels can not well protect rider.
At present, someone adds parasols on electric motor car top, and pattern is various, but protection to rider all extremely has
Limit, parasols can not block the cold wind in winter, and the rainy day can not completely protect rider, using inconvenient.Someone uses
Enclosed three-wheeled electric vehicle or four-wheel electric motor car improve this case, but three-wheeled electric vehicle or four-wheel electric motor car relative to
For electric motor car with two wheels, vehicle body is larger, and flexibility is poor, can not show a candle to electric motor car with two wheels compact, light, flexible.So tricycle
Or carriage can not completely replace electric motor car with two wheels.
In addition, bicycle or two wheel electric motor cars can not toppled in motion, but when the travel speed of car is relatively slow or stops
When, vehicle body just has the trend toppled over, and to prevent vehicle body from toppling over, rider must be balanced using foot support ground.
The content of the invention
The technical problems to be solved by the invention are to provide that a kind of rider is more preferably protected, no matter which kind of situation can be obtained
The electric motor car with two wheels of reliable balance.
In order to solve the above technical problems, the invention provides a kind of electric motor car with two wheels, including vehicle frame, wheel and at least one
Foot stool supporting leg, wheel is arranged on vehicle frame, is hinged between described foot stool supporting leg one end and vehicle frame, and the foot stool supporting leg other end is stretched
To frame outside；
Also include at least one set of double rocking lever component, the double rocking lever component at least includes connecting rod and rocking bar, rocking bar one end hinge
It is connected on vehicle frame, the rocking bar other end is hinged with one end of connecting rod, is hinged between the other end and foot stool supporting leg of connecting rod.
After using such structure, the swing of foot stool supporting leg is controlled by double rocking lever component, when foot stool supporting leg lands, can be with
Ensure that vehicle body will not topple over, vehicle body is obtained reliable balance, it is not necessary to which rider supports ground to keep car body balance with pin,
Convenience, reliability and security are emerged from.
The double rocking lever component of this electric motor car with two wheels also includes motor and rotating shaft, and motor is connected by transmission mechanism with rotating shaft,
On vehicle frame, the end of rotating shaft is fixedly connected rotating shaft support with one end of rocking bar, and rocking bar is rotated along the circumferential direction of rotating shaft；Using
After such structure, motor is rotated and drives axis of rotation, and then band forces rocking bar, connecting rod to drive foot stool supporting leg for rotating shaft, makes whole double
Rocker assembly realizes that mechanization runs, and improves this electric motor car with two wheels parking convenience.
This electric motor car with two wheels is in and is provided with roller with the foot stool leg ends of vehicle frame hinged place away from foot stool supporting leg；Using
After such structure, when car is run at a low speed and foot stool supporting leg is not yet packed up, foot stool supporting leg can play auxiliary travelling and keep car
The double action of body balance.
This electric motor car with two wheels also includes car shell and roof, and vehicle frame upside is surrounded the car taken for driver for car shell, roof
Railway carriage or compartment, is provided with windshield and car door on car shell；After using such structure, the basis of electric motor car with two wheels light and flexible is being kept
On, car shell and top cover are increased, the car is greatly improved the degree of protection of rider, comfort level when also rider travels is big
To improve.
In addition, cooperation foot stool supporting leg can be according to speed height automatic lifting/lowering support, it is ensured that when car travel speed is relatively low or stops
Vehicle body obtains the support of foot stool supporting leg, so as to obtain reliable balance.
This electric motor car with two wheels also includes control assembly, and control assembly includes velocity sensor, controller, some limit switches
With some relays；
Velocity sensor is used to sense the speed of this electric motor car with two wheels；
Some relays are used to control the break-make of circuit in control assembly；
Some limit switches are used to sense foot stool supporting leg pendulum angle；
Controller is used to receive the signal of speed sensor feedback, and the speed of speed, control are judged according to above-mentioned signal
The motor start and stop of the break-make and double rocking lever component of some relays；
When speed progressively accelerates from halted state, higher than after preset value, controller is controlled the speed of this electric motor car with two wheels
Motor is rotated, and foot stool supporting leg is gradually disengaged into ground by rotating shaft, connecting rod and rocking bar, when foot stool supporting leg is rocked to precalculated position,
One limit switch of triggering, circuit disconnects, and motor is stopped；
After the speed less than preset value is progressively decelerated to from the speed higher than preset value, controller controlled motor reversely turns
It is dynamic, and then by foot stool supporting leg, earthward direction swings by rotating shaft, connecting rod and rocking bar, after this electric motor car with two wheels stops, foot stool branch
Leg is contacted with ground completely, and support is played to this electric motor car with two wheels, while triggering another limit switch, circuit disconnects, motor
It is stopped.
After using such respective outer side edges control assembly, this electric motor car with two wheels can realize the automation of this electric motor car with two wheels
Park, further increase the convenience of this electric motor car with two wheels.
Brief description of the drawings
Fig. 1 is the structure chart of this electric motor car with two wheels embodiment one.
Fig. 2 is the structure chart of the foot stool supporting leg of this electric motor car with two wheels embodiment one and double rocking lever component.
Fig. 3 is the circuit theory diagrams that the foot stool supporting leg of this electric motor car with two wheels embodiment one packs up process automatically.
Fig. 4 is the circuit theory diagrams that the foot stool supporting leg of this electric motor car with two wheels embodiment one automatically falls off process.
Fig. 5 is the structure diagram of the foot stool supporting leg of this electric motor car with two wheels embodiment one and double rocking lever component movement.
Fig. 6 is the structure chart of this electric motor car with two wheels embodiment bipod supporting leg and double rocking lever component.
Fig. 7 is the structure diagram of this electric motor car with two wheels embodiment tripod supporting leg and double rocking lever component movement.
Fig. 8 is the structure diagram of this electric motor car with two wheels embodiment tripod Zhi Yundong.
Specific embodiment
Embodiment one
(direction of arrow of dotted line represents the sense of current in Fig. 3, Fig. 4, and dotted line represents foot stool branch in Fig. 5 as shown in Fig. 1 to 5
Leg 6 and connecting rod 71, another motion state of rocking bar 72)
This electric motor car with two wheels includes vehicle frame 1, wheel 2, two 6, two groups of foot stool supporting leg double rocking lever component, control assembly, car
Shell 3 and roof 4.
The vehicle frame 1, wheel 2, suspension, dynamical system, brakes of this electric motor car with two wheels etc. part with it is commercially available
The structure of most of electric motor car with two wheels is communicated, and above-mentioned part is not the invention emphasis of this case, it is not repeated herein.
This electric motor car with two wheels also includes car shell 3 and roof 4 compared to common electric motor car with two wheels, and car shell 3, roof 4 are by vehicle frame 1
Gusset is provided with windshield 31 and car door 32 into the compartment 5 taken for driver on car shell 3.
Two foot stool supporting legs 6 are separately positioned on the both sides of vehicle frame 1, are hinged between each one end of foot stool supporting leg 6 and vehicle frame 1,
The other end of foot stool supporting leg 6 stretches to the outside of vehicle frame 1, and each outboard end of foot stool supporting leg 6 is provided with roller 61.
Double rocking lever component includes that (rocking bar 72, connecting rod 71 and foot stool supporting leg 6 together constitute double rocking lever for connecting rod 71 and rocking bar 72
Mechanism), motor M is fixed on vehicle frame 1, and rotating shaft 73 is fixed on vehicle frame 1 by bearings, is provided with motor M output shafts
One driving gear 75, is provided with a driven gear 74 in rotating shaft 73, driving gear 75 is engaged with driven gear 74, rotating shaft 73
One end of end and rocking bar 72 connect with being bonded, rocking bar 72 is rotated along the circumferential direction of rotating shaft 73, and rotating shaft 73 passes through bearings
On vehicle frame 1, the normal rotation function of rotating shaft 73 is realized, due to fixed between rotating shaft 73 and rocking bar 72, equivalent to rocking bar 72
It is hinged relationship between end and vehicle frame 1, the other end of rocking bar 72 is hinged with one end of connecting rod 71, the other end and foot stool of connecting rod 71
It is hinged between supporting leg 6.
Because the two ends of rotating shaft 73 are stretched out to the outside of vehicle frame 1 respectively, the two ends of rotating shaft 73 respectively with two groups of companies of double rocking lever component
Bar 71 is connect by being bonded, so two groups of double rocking lever components can share a rotating shaft 73 and motor M.
Control assembly include velocity sensor T, controller P, the first relay KC1, the second relay KC2, in the middle of first
Relay 1KA, the second auxiliary reclay 2KA, the first limit switch, the second limit switch and braking resistor R.
Velocity sensor T is installed on the side of wheel 2, the speed for sensing this electric motor car with two wheels.
Controller P uses single loop PID controller P, the signal for receiving velocity sensor T feedbacks, and according to
Above-mentioned signal judges the speed of speed, controls the motor M start and stop of the break-make and double rocking lever component of above-mentioned relay, and actuator is double
The motor M of rocker assembly.
The realization of automatic lifting/lowering support process is such：
As shown in Figure 3
Automatically process is packed up：When road speed is higher than predetermined value, the velocity sensor T for being installed on the side of wheel 2 sends
Rate signal is signaled to the first relay KC1, the normally opened contact KC1-1 of the first relay KC1 to controller P, controller P
Closure, after normally opened contact KC1-1 is closed, the first auxiliary reclay 1KA obtains electric, while the first auxiliary reclay 1KA's is normally opened
Contact 1KA-1 is closed, and the normally-closed contact 1KA-2 of the first auxiliary reclay 1KA disconnects, and the flow direction of electric current is such：From battery
Positive pole flow out, through in the middle of the first limit switch XWA, the normally opened contact 1KA-1 of the first auxiliary reclay 1KA, motor M, second after
The normally-closed contact 2KA-2 of electrical equipment 2KA, flows back to GND, and motor M rotates forward startup after constituting loop；
Motor M is rotated and is driven rotating shaft 73 to rotate, and foot stool supporting leg 6 is driven to be packed up；Preset most when foot stool supporting leg 6 is moved to reach
During high position, the normally-closed contact XWA of the first limit switch is touched, and the normally-closed contact XWA of the first limit switch disconnects simultaneously the
Normally opened contact XWA ' the closures of one limit switch, the normally-closed contact XWA contacts of the first limit switch disconnect then former loop and disconnect, electricity
Machine M dead electricity, but the inertia of motor M rotors makes motor M still to rotate, because the normally opened contact XWA ' contacts of the first limit switch are closed
Close, loop is constituted between motor M, the normally opened contact XWA ' of the first limit switch, braking resistor R, due to depositing for braking resistor R
Being rotated in, motor M must do work to resistance R, and in the case of no additionaling power, the rotator inertia of motor M rotors disappears quickly
Consumption, so forces motor M to stop operating and locking, packs up action and completes.Pack up action after the completion of, the first limit switch it is normally closed
Contact XWA and the first auxiliary reclay 1KA resets, and the circuit between battery and motor M is in off-state.
I.e. higher than after preset value, controller P controlled motors M is rotated the speed of this electric motor car with two wheels, by rotating shaft 73, connecting rod
71 and rocking bar 72 foot stool supporting leg 6 is gradually disengaged into ground, foot stool supporting leg 6 touches the first limit switch after packing up, circuit disconnects, electricity
Machine M is stopped.
As shown in Figure 4
Automatically fall off process：When road speed is less than predetermined value, the velocity sensor T for being installed on the side of wheel 2 sends
Speed low signal is signaled to the second relay KC2, the normally opened contact of the second relay KC2 to controller P, controller P
KC2-1 is closed.After the normally opened contact KC2-1 of the second relay KC2 is closed, the second auxiliary reclay 2KA obtains electric, while second
The normally opened contact 2KA-1 closures of auxiliary reclay 2KA, the normally-closed contact 2KA-2 of the second auxiliary reclay 2KA disconnects, electric current
Flow direction is such：It is normally opened through the normally-closed contact XWB of the second limit switch, the second auxiliary reclay 2KA from anode outflow
Contact 2KA-1, motor M, 1KA-2, flow back to GND, and motor M reversions start after constituting loop；Motor M rotational bands shake bar
72 rotate, and foot stool supporting leg 6 is driven and falls.When the position of foot stool supporting leg 6 reaches default extreme lower position, the second limit switch it is normal
Closed contact XWB is touched, and the normally-closed contact XWB of the second limit switch disconnects while the normally opened contact XWB ' of the second limit switch is closed
Close, the normally-closed contact XWB of the second limit switch disconnects then former loop and disconnects, motor M dead electricity, but the inertia of motor M rotors makes electricity
Machine M can still be rotated, because the normally opened contact XWB ' of the second limit switch is closed, motor M, the normally opened contact of the second limit switch
Loop is constituted between XWB ', braking resistor R, due to the presence of braking resistor R, motor M is rotated and braking resistor R must be done work,
In the case of no additionaling power, the rotator inertia of motor M rotors is consumed quickly, so forces motor M to stop operating and embrace
Extremely, action is packed up to complete.Pack up after the completion of action, the normally-closed contact XWB of the second limit switch and the second auxiliary reclay 2KA is answered
Position, the circuit between battery, motor M is in off-state.
I.e. less than after preset value, controller P controlled motors M is rotated backward the speed of this electric motor car with two wheels, and then by turning
Earthward direction swings by foot stool supporting leg 6 for axle 73, connecting rod 71 and rocking bar 72, until foot stool supporting leg 6 is contacted with ground completely, to this
Electric motor car with two wheels is played a supporting role, and after foot stool supporting leg 6 falls, touches the second limit switch, and circuit disconnects, and motor M stops work
Make.
Embodiment two
As shown in Figure 6
The present embodiment is differed only in embodiment one：Foot stool branch one by one is only hinged on the vehicle frame of this electric motor car with two wheels
Leg 6a, and double rocking lever component corresponding with foot stool supporting leg 6a only has one group, double rocking lever component similarly include connecting rod, rocking bar,
Motor Ma and rotating shaft 73a, its mode for using and the effect for reaching are all similar with embodiment one, not to its excessive explanation.
Embodiment three
As shown in Figure 7 (dotted line represents another motion state of foot stool supporting leg 6b and connecting rod 71b, sliding block 77b in Fig. 7)
The present embodiment is differed only in embodiment two：The double rocking lever component of the present embodiment includes connecting rod 71b, track
76b and sliding block 77b, can be coordinated with sliding block 77b and track 76b, and connecting rod 71b one end is hinged with sliding block 77b, the connecting rod 71b other ends
Be hinged between foot stool supporting leg 6b, by sliding block 77b track 76b walk it is upward move back and forth, reach drive foot stool supporting leg 6b
The purpose for swinging up and down.
Example IV
As shown in Figure 8 (dotted line represents another motion state of foot stool supporting leg 6c in Fig. 8)
The present embodiment is differed only in embodiment one：The present embodiment is free of double rocking lever component, and 6c is direct for foot stool supporting leg
It is fixed on the rotor of motor, directly drives foot stool supporting leg 6c to swing up and down by motor.
Above-described is only four kinds of implementation methods of the invention, it is noted that for one of ordinary skill in the art
For, under the premise without departing from the principles of the invention, some variations and modifications can also be made, these also should be regarded as belonging to this hair
Bright protection domain.
Claims (5)
1. a kind of electric motor car with two wheels, including vehicle frame, wheel and at least one foot stool supporting leg, wheel are arranged on vehicle frame, the pin
It is hinged between frame supporting leg one end and vehicle frame, the foot stool supporting leg other end stretches to frame outside, it is characterized by：
Also include at least one set of double rocking lever component, the double rocking lever component at least includes connecting rod and rocking bar, and rocking bar one end is hinged on
On vehicle frame, the rocking bar other end is hinged with one end of connecting rod, is hinged between the other end and foot stool supporting leg of connecting rod.
2. electric motor car with two wheels according to claim 1, it is characterized in that：
Described double rocking lever component also includes motor and rotating shaft, and motor is connected by transmission mechanism with rotating shaft, and rotating shaft support is in car
On frame, the end of rotating shaft is fixedly connected with one end of rocking bar, and rocking bar is rotated along the circumferential direction of rotating shaft.
3. electric motor car with two wheels according to claim 1, it is characterized in that：
Roller is installed in the foot stool leg ends away from foot stool supporting leg and vehicle frame hinged place.
4. electric motor car with two wheels according to claim 1, it is characterized in that：
Also include car shell and roof, car shell, roof vehicle frame upside are surrounded the compartment taken for driver, gear is provided with car shell
Wind glass and car door.
5. electric motor car with two wheels according to claim 2, it is characterized in that：
Also include control assembly, control assembly includes velocity sensor, controller, some limit switches and some relays；
Velocity sensor is used to sense the speed of this electric motor car with two wheels；
Some relays are used to control the break-make of circuit in control assembly；
Some limit switches are used to sense foot stool supporting leg pendulum angle；
Controller is used to receive the signal of speed sensor feedback, and the speed of speed is judged according to above-mentioned signal, controls some
The motor start and stop of the break-make and double rocking lever component of relay；
When speed progressively accelerates from halted state, the speed of this electric motor car with two wheels higher than after preset value, controller controlled motor
Rotate, foot stool supporting leg is gradually disengaged into ground by rotating shaft, connecting rod and rocking bar, when foot stool supporting leg is rocked to precalculated position, triggering
One limit switch, circuit disconnects, and motor is stopped；
After the speed less than preset value is progressively decelerated to from the speed higher than preset value, controller controlled motor is rotated backward,
And then by foot stool supporting leg, earthward direction swings by rotating shaft, connecting rod and rocking bar, foot stool supporting leg is contacted with ground, to this two-wheeled electricity
Motor-car plays support, while triggering another limit switch, circuit disconnects, and motor is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004684.6A CN106741439A (en) | 2017-01-04 | 2017-01-04 | Electric motor car with two wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004684.6A CN106741439A (en) | 2017-01-04 | 2017-01-04 | Electric motor car with two wheels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106741439A true CN106741439A (en) | 2017-05-31 |
Family
ID=58951021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710004684.6A Pending CN106741439A (en) | 2017-01-04 | 2017-01-04 | Electric motor car with two wheels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106741439A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107792226A (en) * | 2017-12-08 | 2018-03-13 | 重庆铁力士科技有限公司 | A kind of fully closed two-wheeled electric motor car with automatic support structure |
| CN110303837A (en) * | 2019-06-28 | 2019-10-08 | 左红 | A kind of auxiliary wheel structure of bicycle flight instruments |
| CN110481337A (en) * | 2019-07-17 | 2019-11-22 | 广州雷利诺车业有限公司 | A kind of electric motor car with two wheels reverses gear control method and control system of reversing gear |
| CN110588846A (en) * | 2019-10-22 | 2019-12-20 | 东阳坪洲电动车科技有限公司 | Safety device for electric vehicle during lateral dumping |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107792226A (en) * | 2017-12-08 | 2018-03-13 | 重庆铁力士科技有限公司 | A kind of fully closed two-wheeled electric motor car with automatic support structure |
| CN107792226B (en) * | 2017-12-08 | 2024-01-23 | 重庆铁力士科技有限公司 | Totally-enclosed two-wheeled electric vehicle with automatic supporting structure |
| CN110303837A (en) * | 2019-06-28 | 2019-10-08 | 左红 | A kind of auxiliary wheel structure of bicycle flight instruments |
| CN110481337A (en) * | 2019-07-17 | 2019-11-22 | 广州雷利诺车业有限公司 | A kind of electric motor car with two wheels reverses gear control method and control system of reversing gear |
| CN110588846A (en) * | 2019-10-22 | 2019-12-20 | 东阳坪洲电动车科技有限公司 | Safety device for electric vehicle during lateral dumping |
| CN110588846B (en) * | 2019-10-22 | 2020-04-07 | 东阳坪洲电动车科技有限公司 | Safety device for electric vehicle during lateral dumping |
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Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |