CN109512588A - Automobile-used scalable Wheelchair Accessible - Google Patents
Automobile-used scalable Wheelchair Accessible Download PDFInfo
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- CN109512588A CN109512588A CN201811635276.1A CN201811635276A CN109512588A CN 109512588 A CN109512588 A CN 109512588A CN 201811635276 A CN201811635276 A CN 201811635276A CN 109512588 A CN109512588 A CN 109512588A
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- small
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- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 239000000758 substrate Substances 0.000 claims description 39
- 238000012856 packing Methods 0.000 claims description 12
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241001136800 Anas acuta Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
- A61G3/02—Loading or unloading personal conveyances; Facilitating access of patients or disabled persons to, or exit from, vehicles
- A61G3/06—Transfer using ramps, lifts or the like
- A61G3/061—Transfer using ramps, lifts or the like using ramps
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- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention discloses a kind of automobile-used scalable Wheelchair Accessible, including scalable pedal structure and being capable of the flexible lockable mechanism of the scalable pedal structure of locking；The scalable pedal structure includes big pedal structure and small pedal structure；Lockable mechanism includes flexible lock pin and can control the flexible lock pin driving mechanism of flexible lock pin；Lock pin driving mechanism is fixedly installed in small pedal structure, flexible lock pin is fitted in the side wall of small pedal structure, and the power output end of lock pin driving mechanism and one end of flexible lock pin connect, the other end of flexible lock pin is under the power drive of lock pin driving mechanism, in any one location hole that can pop up and be entrenched in inner-cavity structure, it is in the lock state between small pedal structure and big pedal structure at this time, or retraction and there are spacing between the side wall of inner-cavity structure, at this point, in the unlocked state between small pedal structure and big pedal structure.The present invention realizes the function that channel is flexible and folds with simple structure.
Description
Technical field
The present invention relates to auto parts and components, and in particular to a kind of automobile-used scalable Wheelchair Accessible.
Background technique
As vehicle enters huge numbers of families, vehicle is brought convenience to people's lives.But existing vehicle structure is full
The foot not trip requirements of a part of disabled person, since a part of disabled person needs to go on a journey by wheelchair, existing vehicle chassis
Nearly all it is not equipped with the device that Convenient wheelchair is got on or off the bus.
There is part bus to be equipped with push plate now, has been taken out when being placed on interior to be needed, main use
Mode still relies on manpower to lift and raises, and is inconvenient, and the lesser crowd of strength can not operate, and the device cannot freely be stretched
Contracting, occupies the use space of vehicle, transport power is caused to waste；It is not equipped with Wheelchair Accessible substantially on station wagon, it cannot be right
There is the passenger of special riding needs to provide convenient.
Summary of the invention
In order to solve the problems, such as existing vehicle chassis can not facilitate meet it is accessible get on or off the bus, the present invention provides a kind of vehicle
With scalable Wheelchair Accessible, which may be mounted on vehicle chassis, is put down when in use, and regulation button is by plate body
Elongate, take the other end on floor and put it on the ground, connect vehicle floor by gentle slope with road surface, for vehicle for disabled person or its
His wheeled devices, which are got on or off the bus, provides free pathway, shrinks plate body after use, then rotary folding to car, with locking machine
Structure locks.
To realize that above-mentioned technical purpose, the present invention will take the following technical solution:
A kind of automobile-used scalable Wheelchair Accessible, including scalable pedal structure and being capable of the scalable pedal structure of locking
Flexible lockable mechanism；Wherein:
The scalable pedal structure includes big pedal structure and small pedal structure；Lockable mechanism include flexible lock pin and
The flexible lock pin driving mechanism of flexible lock pin can be controlled；
The big pedal structure has the inner-cavity structure that can accommodate small pedal structure；
The inner-cavity structure has open end and two side walls；Length of the two side walls of inner-cavity structure each along side wall
Direction is provided with row's location hole；
The small pedal structure, the open end that one end passes through inner-cavity structure are arranged, and the other end is then provided with push-and-pull portion, and small
Prismatic pair is capable of forming between the side wall of pedal structure and the side wall of inner-cavity structure；
Lock pin driving mechanism is fixedly installed in small pedal structure, and flexible lock pin is fitted in the side wall of small pedal structure, and locks
One end of the power output end and flexible lock pin of selling driving mechanism connects, and the other end of flexible lock pin is in the dynamic of lock pin driving mechanism
Under power drive, in any one location hole that can pop up and be entrenched in inner-cavity structure, small pedal structure and big pedal knot at this time
Be in the lock state between structure, or retraction and between the side wall of inner-cavity structure there are spacing, at this point, small pedal structure and big
It is in the unlocked state between pedal structure.
Further, the big pedal structure, including substrate and big pedal；Wherein:
The substrate, the channel-shaped that is in U-shape setting；
The big pedal is arranged in hollow platy；Closed at one end, the other end then open setting, and big pedal of big pedal
Two sidewalls length direction is provided with row's location hole；
Big pedal is inlaid in the U-lag of substrate.
Further, the big pedal structure is rotatably positioned by shaft is mounted on vehicle chassis；
The two side walls of U-lag shape substrate are respectively substrate side wall a, substrate side wall b；
The two sidewalls of big pedal are respectively big pedal side wall a, big pedal side wall b；
Big pedal side wall a is inlaid in the inside of substrate side wall a, and big pedal side wall b is then inlaid in the interior of substrate side wall b
Side；
Big pedal side wall a, substrate side wall a, big pedal side wall b, substrate side wall b offer perforative shaft mounting hole；
After one end of shaft sequentially passes through big pedal side wall a, substrate side wall a, it is located by connecting with vehicle chassis；Shaft it is another
It leaves unused after sequentially passing through big pedal side wall b, substrate side wall b one end；The shaft can move axially in each shaft mounting hole,
And the idle end of shaft can when big pedal structure is perpendicular to vehicle chassis, by move axially with pacified on vehicle chassis
The limiting component of dress locks locking/unlocking.
Further, the idle end of the shaft is provided with notch, and the limiting component is a block, have on block with
The matched tenon of notch.
Further, the small pedal structure includes backing plate, small pedal and planker；Wherein:
The two sides of planker all have one piece of floor；The outside of each piece of floor is fitted with an idler wheel；
The two sidewalls of big pedal all have channel-shaped track；
Idler wheel on the outside of floor is fitted in channel-shaped track, forms prismatic pair；
The front end of planker is placed in backing plate, and the rear end of planker is set by the prismatic pair that idler wheel-channel-shaped track cooperatively forms
In the inner cavity of big pedal；
Push-and-pull portion is set to backing plate.
Further, the wedge shaped setting of the shape of the backing plate.
Further, the lock pin driving mechanism is rope driving mechanism, including rope packing controller and rope,
In:
One end of rope is connect with rope packing controller, and the other end, which then passes through the fixed pulley that one is mounted on planker, leads
Backward, it is connect with flexible lock pin；
Rope packing controller is placed on planker, and the control button of rope packing controller is then mounted on backing plate.
Further, the backing plate is made of rubber, and big pedal is provided with rubber in the end face being in contact with small pedal
Rubber mat.
Further, the push-and-pull portion is the curved portion for being set to an evagination at backing plate center edge portion, and rubber pad exists
At position corresponding with push-and-pull portion, it is provided with the curved portion of an indent.
According to above-mentioned technical solution, compared with the existing technology, the present invention have it is following the utility model has the advantages that
1. facilitating vehicle for disabled person and other wheeled devices vehicle up and down.
2. the device is time saving and energy saving, vehicle space is saved.
3. guide tracked retractable structure is used, it is simple and reliable for structure, it stretches smooth, noise is small, and easy to operate, purposes is wide
It is general, other purposes can also be slightly modified in addition to this example.
Detailed description of the invention
Fig. 1 is general assembly drawing of the invention.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the partial sectional view of Fig. 1.
Fig. 4 is the turnover mechanism schematic diagram of Fig. 1.
In Fig. 1-2: 1. backing plates, 2. regulation buttons, 3. plankers, 4. drawstrings, 5. pulleys, 6. pins, 7. idler wheels, 8. substrates,
9. block, 10. vehicle chassis, 11. shafts, 12. guide pins, 13. big pedals, 14. rubber pads, 15. small pedals, 16. ground.
Specific embodiment
Below in conjunction with attached drawing, to specific embodiment, structure, feature and its effect provided according to the present invention, specifically
It is bright as after.
As shown in Figs 1-4, automobile-used scalable Wheelchair Accessible of the present invention, including scalable pedal structure and energy
The flexible lockable mechanism of enough scalable pedal structures of locking；Wherein:
The scalable pedal structure, including big pedal structure and small pedal structure；Lockable mechanism includes flexible lock pin
And the flexible lock pin driving mechanism of flexible lock pin can be controlled.
The big pedal structure has the inner-cavity structure that can accommodate small pedal structure；The inner-cavity structure has opening
End and two side walls；The two side walls of inner-cavity structure are provided with row's location hole each along the length direction of side wall.Specifically,
The big pedal structure includes substrate and big pedal；Wherein: the substrate, the channel-shaped that is in U-shape setting；The big pedal is in
The setting of hollow plate shape；Closed at one end, the other end then open setting of big pedal, and the two sidewalls of big pedal are set each along length direction
It is equipped with row's location hole；Big pedal is inlaid in the U-lag of substrate.
The small pedal structure, the open end that one end passes through inner-cavity structure are arranged, and the other end is then provided with push-and-pull portion, and small
Prismatic pair is capable of forming between the side wall of pedal structure and the side wall of inner-cavity structure；Specifically, the small pedal structure includes pad
Plate, small pedal and planker；Wherein: the two sides of planker all have one piece of floor；The outside of each piece of floor is fitted with one
Idler wheel；The two sidewalls of big pedal all have channel-shaped track；Idler wheel on the outside of floor is fitted in channel-shaped track, forms prismatic pair；
The front end of planker is placed in backing plate, and the rear end of planker is placed in big pedal by the prismatic pair that idler wheel-channel-shaped track cooperatively forms
Inner cavity in；Push-and-pull portion is set to backing plate.The wedge shaped setting of the shape of the backing plate, is made of rubber, and big pedal with
The end face that small pedal is in contact is provided with rubber pad.The push-and-pull portion is the arc for being set to an evagination at backing plate center edge portion
Shape portion, rubber pad are provided with the curved portion of an indent at position corresponding with push-and-pull portion.
Lock pin driving mechanism is fixedly installed in small pedal structure, and flexible lock pin is fitted in the side wall of small pedal structure, and locks
One end of the power output end and flexible lock pin of selling driving mechanism connects, and the other end of flexible lock pin is in the dynamic of lock pin driving mechanism
Under power drive, in any one location hole that can pop up and be entrenched in inner-cavity structure, small pedal structure and big pedal knot at this time
Be in the lock state between structure, or retraction and between the side wall of inner-cavity structure there are spacing, at this point, small pedal structure and big
It is in the unlocked state between pedal structure.Specifically, the lock pin driving mechanism is rope driving mechanism, including rope folding and unfolding control
Device and rope, in which: one end of rope is connect with rope packing controller, and the other end then passes through one and is mounted on planker
After fixed pulley guiding, it is connect with flexible lock pin；Rope packing controller is placed on planker, and the control of rope packing controller
Button is then mounted on backing plate.
The big pedal structure is rotatably positioned by shaft to be mounted on vehicle chassis；Two of U-lag shape substrate
Side wall is respectively substrate side wall a, substrate side wall b；The two sidewalls of big pedal are respectively big pedal side wall a, big pedal side wall b；Greatly
Pedal side wall a is inlaid in the inside of substrate side wall a, and big pedal side wall b is then inlaid in the inside of substrate side wall b；Big pedal side
Wall a, substrate side wall a, big pedal side wall b, substrate side wall b offer perforative shaft mounting hole；One end of shaft sequentially passes through
After big pedal side wall a, substrate side wall a, it is located by connecting with vehicle chassis；The other end of shaft sequentially passes through big pedal side wall b, base
It leaves unused after plate side wall b；The shaft can move axially in each shaft mounting hole, and the idle end of shaft can be in big pedal
Structure vertical locks locking/unlocking with the limiting component installed on vehicle chassis when vehicle chassis, by moving axially.It is described
The idle end of shaft is provided with notch, and the limiting component is a block, has and the matched tenon of notch on block.
Below with reference to attached drawing, a specific embodiment of the invention is explained in detail.
In Fig. 1, big pedal 13 is together with the mutual cooperation of substrate 8, and big pedal 13 links together with shaft 11, shaft
11 are mounted on vehicle chassis 10, and big pedal 13 can make rotating motion with around the shaft 11.
Small pedal 15 cooperates with planker 3, undersized, and the two combination may be collapsed in big pedal 13, small to step on
Plate side is machined with a circular hole.
Rubber pad 14 is installed in big pedal 13 and 15 junction of small pedal, plays damping vibration, makes the excessively natural mesh of two plates
's.
Backing plate 1 is rubber material, is mounted on the top of planker 3, and backing plate 1 is a wedge structure, is made of rubber, in order to
Make channel and ground excessively more naturally, be machined with hole among backing plate 1, be used to installation and adjustment button 2.
In Fig. 2, channel-shaped guide rail is processed into two sides of big pedal 13, and processing is more on the wall surface of two sides
A circular hole.
Adjustment button 2 is fixed on planker 3, is cooperated with the mounting hole on backing plate 1, and the surface of planker 3 is equipped with pulley 5,
Pin 6, idler wheel 7 are installed on the floor of the two sides of planker 3.
When need fixed size pedal relative position it is motionless when, pin 6 makes pin by the elastic force of therein structure
It is inserted into area in the hole of 13 side of small pedal 15 and big pedal simultaneously, two pedals is thus fixed and is allowed to occur mutually to transport
It is dynamic.Pin 6 is connect by drawstring 4 with adjustment button 2, and by push button, drawstring pulls pin 6 to be detached from big pedal 13
Circular hole, size pedal can be realized to be stretched back and forth.Due to there are multiple circular holes on big pedal 13, pass through pin and different circular holes
It cooperates, the flexible of small pedal different length can be realized.
Shaft 11 is mounted on vehicle chassis 10, and shaft one end is provided with card slot, on the chassis for slotting end close to shaft 11
Block 9 is installed, has tenon on block 9.Shaft 11 can surround its own axis rotation, and the both ends of shaft 11 are equipped with guide pin
12, when big pedal 13 is rotated a certain angle with shaft 11 for axle center, guide pin 12 provides correct rotating path.It is stepped on when greatly
When plate 13 is rotated to perpendicular to vehicle chassis, operator gives 13 1 axial forces of big pedal, and shaft 11 axially moves therewith, turns
The card slot of axis 11 and the tenon on block 9 cooperate, and mechanism is fixed.
The plate body of small pedal and planker composition may be collapsed in the plate body of big pedal and substrate composition, pacify on planker
Equipped with pin locking structure and unlocking mechanism, stretched by the cooperation of pin and big pedal side different location circular hole come fixed plate body
The length of contracting.When channel is come into operation, pressing control button unlocks lockable mechanism, pulls planker to extend plate body, locking
Mechanism latches automatically, and lower end contacts ground, and row is at Wheelchair Accessible.When packing up channel, control button unlock is pressed, plate body is received
Contracting, then rotates plate body to vertically and at vehicle floor, lateral movable plate body, makes the card slot card of shaft end to the right around the shaft
Enter in the middle of the trip installed on chassis, plate body is fixed, and mechanism, which is shunk, to be folded.The present invention realizes channel with simple structure and stretches
Contracting and the function of folding.
It follows that the present embodiment has a characteristic that
This channel is mainly cooperated and is connected at retractable structure, big pedal and substrate by big pedal and small step configuration,
Small pedal and planker, which cooperate, to be connected, and big pedal is connected on vehicle chassis by shaft, and big pedal can be around the shaft
Rotation achievees the purpose that guidance tape is flexible and folds.
The shaft is fixed on automotive floor panel, and the both ends of shaft are equipped with guide pin, and guide pin turns around the shaft in channel
Guiding role is provided in dynamic process.
One end of the shaft processes notch, and block is equipped on automobile chassis, after mechanism is shunk, by pedal around
Shaft rotation, when pedal is perpendicular to vehicle chassis, applies an axial force, moves axially shaft, the card slot of end
In conjunction with the tenon on block, the rotation of shaft is limited at this time.
The two sides of the big pedal process grooved track, are machined with circular hole on the wall surface of two sides.
The big pedal undersized of small pedal ratio, can be contracted in big pedal.
Be fixed with floor on the planker, fixing pin on floor, pin and circular hole etc. it is big.The connection of pin tail portion is drawn
Rope, drawstring are controlled by the button being fixed on backing plate, and pin is entrenched in planker big pedal under the action of therein structural member
In the circular hole on small pedal wall surface, the relative position of two pedals is fixed.When needing flexible, control button is pressed, drawstring is drawn
Dynamic pin overcomes the elastic force of self structure part to after-contraction, at this time two plates can be mutually shifted achieve the purpose that it is flexible.
There is rubber pad between big pedal and small pedal, plays damping vibration, make the excessively natural purpose of two plates.
Two idler wheels are installed, idler wheel rolls in the track of two sides on big pedal on the small pedal.
Small pedal is connected together with planker, and backing plate is installed in planker end.
The backing plate is a wedge structure, is made of rubber, in order to make the excessively more natural of channel and ground.It is intermediate
Process the mounting hole of button.
It should be noted that the content that description in the present invention is not described in detail belongs to professional and technical personnel in the field's public affairs
The existing theory and technology known.The above examples only illustrate the technical idea of the present invention, and guarantor of the invention cannot be limited with this
Protect range, it is all according to the technical idea provided by the invention, any changes made on the basis of the technical scheme each falls within this hair
Within bright protection scope.
Claims (9)
1. a kind of automobile-used scalable Wheelchair Accessible, it is characterized in that: include scalable pedal structure and can locking it is scalable
The flexible lockable mechanism of pedal structure；Wherein:
The scalable pedal structure includes big pedal structure and small pedal structure；Lockable mechanism includes flexible lock pin and can
Control the flexible lock pin driving mechanism of flexible lock pin；
The big pedal structure has the inner-cavity structure that can accommodate small pedal structure；
The inner-cavity structure has open end and two side walls；Length direction of the two side walls of inner-cavity structure each along side wall
It is provided with row's location hole；
The small pedal structure, the open end that one end passes through inner-cavity structure are arranged, and the other end is then provided with push-and-pull portion, and small pedal
Prismatic pair is capable of forming between the side wall of structure and the side wall of inner-cavity structure；
Lock pin driving mechanism is fixedly installed in small pedal structure, and flexible lock pin is fitted in the side wall of small pedal structure, and lock pin drives
The power output end of motivation structure and one end of flexible lock pin connect, and the other end of flexible lock pin drives in the power of lock pin driving mechanism
Under dynamic, in any one location hole that can pop up and be entrenched in inner-cavity structure, at this time small pedal structure and big pedal structure it
Between be in the lock state, or retraction and between the side wall of inner-cavity structure there are spacing, at this point, small pedal structure and big pedal
It is in the unlocked state between structure.
2. Wheelchair Accessible according to claim 1, it is characterized in that: the big pedal structure, including substrate and step on greatly
Plate；Wherein:
The substrate, the channel-shaped that is in U-shape setting；
The big pedal is arranged in hollow platy；Closed at one end, the other end then open setting of big pedal, and the two of big pedal
Side wall is provided with row's location hole each along length direction；
Big pedal is inlaid in the U-lag of substrate.
3. Wheelchair Accessible according to claim 2, it is characterized in that: the big pedal structure is rotatably fixed by shaft
Position is mounted on vehicle chassis；
The two side walls of U-lag shape substrate are respectively substrate side wall a, substrate side wall b；
The two sidewalls of big pedal are respectively big pedal side wall a, big pedal side wall b；
Big pedal side wall a is inlaid in the inside of substrate side wall a, and big pedal side wall b is then inlaid in the inside of substrate side wall b；
Big pedal side wall a, substrate side wall a, big pedal side wall b, substrate side wall b offer perforative shaft mounting hole；
After one end of shaft sequentially passes through big pedal side wall a, substrate side wall a, it is located by connecting with vehicle chassis；The other end of shaft
It leaves unused after sequentially passing through big pedal side wall b, substrate side wall b；The shaft can move axially in each shaft mounting hole, and turn
The idle end of axis can when big pedal structure is perpendicular to vehicle chassis, by move axially with installed on vehicle chassis
Limiting component locks locking/unlocking.
4. Wheelchair Accessible according to claim 3, it is characterized in that: the idle end of the shaft is provided with notch, it is described
Limiting component is a block, is had and the matched tenon of notch on block.
5. Wheelchair Accessible according to claim 3, it is characterized in that: the small pedal structure include backing plate, small pedal with
And planker；Wherein:
The two sides of planker all have one piece of floor；The outside of each piece of floor is fitted with an idler wheel；
The two sidewalls of big pedal all have channel-shaped track；
Idler wheel on the outside of floor is fitted in channel-shaped track, forms prismatic pair；
The front end of planker is placed in backing plate, and the rear end of planker is placed in greatly by the prismatic pair that idler wheel-channel-shaped track cooperatively forms
In the inner cavity of pedal；
Push-and-pull portion is set to backing plate.
6. Wheelchair Accessible according to claim 5, it is characterized in that: the wedge shaped setting of the shape of the backing plate.
7. Wheelchair Accessible according to claim 5, it is characterized in that: the lock pin driving mechanism is rope driving mechanism, packet
Include rope packing controller and rope, in which:
One end of rope is connect with rope packing controller, and the other end then passes through the fixed pulley being mounted on a planker guiding
Afterwards, it is connect with flexible lock pin；
Rope packing controller is placed on planker, and the control button of rope packing controller is then mounted on backing plate.
8. Wheelchair Accessible according to claim 5, it is characterized in that: the backing plate is made of rubber, and big pedal exists
The end face being in contact with small pedal is provided with rubber pad.
9. Wheelchair Accessible according to claim 8, it is characterized in that: the push-and-pull portion is to be set at backing plate center edge portion
An evagination curved portion, rubber pad is provided with the curved portion of an indent at position corresponding with push-and-pull portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635276.1A CN109512588A (en) | 2018-12-29 | 2018-12-29 | Automobile-used scalable Wheelchair Accessible |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635276.1A CN109512588A (en) | 2018-12-29 | 2018-12-29 | Automobile-used scalable Wheelchair Accessible |
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| Publication Number | Publication Date |
|---|---|
| CN109512588A true CN109512588A (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811635276.1A Pending CN109512588A (en) | 2018-12-29 | 2018-12-29 | Automobile-used scalable Wheelchair Accessible |
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Cited By (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637957A (en) * | 2020-05-06 | 2020-09-08 | 大连理工大学 | Method for detecting passenger mass of unmanned bus |
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