CN108309592A - Electric wheel-chair control device - Google Patents
Electric wheel-chair control device Download PDFInfo
- Publication number
- CN108309592A CN108309592A CN201810141513.2A CN201810141513A CN108309592A CN 108309592 A CN108309592 A CN 108309592A CN 201810141513 A CN201810141513 A CN 201810141513A CN 108309592 A CN108309592 A CN 108309592A
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- China
- Prior art keywords
- frame
- regulating part
- slowdown module
- wheel
- control device
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- 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.)
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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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
- A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
- A61G5/042—Front wheel drive
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1005—Wheelchairs having brakes
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1051—Arrangements for steering
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1091—Cushions, seats or abduction devices
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1094—Tables, working plates or trays
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Handcart (AREA)
Abstract
The invention discloses electric wheel-chair control devices, including wheelchair frame, control device, flexible buffering rear wheel frame and load-carrying frame is folded, control device includes control box and pivoted frame, is provided on pivoted frame and accelerates handle and electronics brake lever, it is provided with shaft on the downside of pivoted frame, adjusting shifting block is provided in shaft；Left slowdown module and right slowdown module are provided in control box, left regulating part and right regulating part are respectively arranged in left slowdown module and right slowdown module, shaft is movably arranged between left slowdown module and right slowdown module, left regulating part or right regulating part can be pushed to move when adjusting shifting block rotation, when left regulating part and right regulating part are moved from origin A to turnover point B, it can gradually slow down in the actual speed provided by acceleration handle and extremely reverse, left regulating part and right regulating part always bullet to origin A, it is an advantage of the invention that：It is easy to learn, adapt to fast, controllability is good, can auto-folder, flexible, can manned, loading, shopping, traveling is safer, steady, comfortable.
Description
Technical field
The present invention relates to a kind of controllers of electric wheel-chair vehicle, can be rapidly adapted to more particularly, to one kind, is easy to operate, more
Safe, practical wheel-chair control device.
Background technology
Controller is various in style, but is all cross control direction, and speed separately sets several grades；But wheel-chair be mostly the elderly and
Impedient people of taking action uses, and especially the elderly is difficult to adapt to new things, I also asked the elderly using electric wheelchair, he
Be difficult to adapt to existing controller, but also have no way out, can only use strickenly, because speed separately has switch control,
So acceleration, deceleration are not very convenient；
But most of the elderly's all drive the cross electric vehicles, the direction and acceleration, deceleration operative memory to electric vehicle are deep, how will
Their operating habit is extended to electric wheelchair up；
I has decades to the research of wheel-chair and direction-control apparatus, by long-term market survey, to existing wheel
Wheel-chair makees deep comparison, and consults various machineries and the data such as electronics, and it is fast to design a kind of adaptability, simple, convenient
Wheelchair truck control device.
Invention content
Technical problem to be solved by the invention is to provide a kind of adaptability is fast, simple, convenient electric wheelchair control
Device processed.
Electric wheel-chair control device, including wheelchair frame, control device, flexible buffering rear wheel frame and folding load-carrying frame,
It is characterized in that the control device includes control box and pivoted frame, is provided on the pivoted frame and accelerates handle and electronics brake lever,
It is provided with shaft on the downside of the pivoted frame, adjusting shifting block is provided in the shaft；
Left slowdown module and right slowdown module are provided in the control box, the acceleration DOL Data Output Line for accelerating handle is simultaneously
The left slowdown module and the right slowdown module are connected, is divided in the left slowdown module and the right slowdown module
It is not provided with left regulating part and right regulating part, the shaft is movably arranged on the left slowdown module and the right deceleration
Between module, the adjusting shifting block can push the left regulating part or the right regulating part to move when rotating, described
It, can be in the practical speed provided by the acceleration handle when left regulating part and the right regulating part are moved from origin A to turnover point B
Gradually slow down in degree and to reversing, the left regulating part and the right regulating part always bullet to origin A, the left deceleration mould
The DOL Data Output Line of block and the right slowdown module is separately connected microcontroller, and the side of the control box is provided with mounting plate.
The flexible buffering rear wheel frame includes bumper bracket and expansion bracket, it is characterised in that the front left and right of the wheelchair frame
It is respectively arranged with left power wheel and right power wheel；The rear side of the wheelchair frame is connected with bumper bracket, the wheelchair frame
Rear side is provided with stress item, and bolster and limit connector are provided between the rear end of the bumper bracket and the stress item；
It is movably set with expansion bracket in the bumper bracket, expansion screw, the expansion screw are movably set in the expansion bracket
Rear end be provided with hand crank, the rear end of the bumper bracket be provided with the nut to match with the expansion screw and with it is described
Expansion screw is connected, and the posterior end of the expansion bracket is provided with rear universal wheel.
It is provided with electric pushrod C between the bumper bracket and the expansion bracket.
The folding load-carrying frame includes being folded up frame and fold-down frame, it is characterised in that the wheelchair frame is front lower
Side axle, which is connected to, is folded up frame, and flexible connector A is provided in the wheelchair frame, and described being folded up in frame is provided with
Flexible connector B, is provided with electric pushrod A between the flexible connector A and the flexible connector B, it is described upwards
The front end of folding stand is connected with the fold-down frame, and described be folded up on the downside of frame is provided with rear connection strap, it is described to
Preceding connection strap is provided on the downside of lower folding stand, described being folded up in frame is provided with electric pushrod B, the electric pushrod B
Front end with it is described after the lower end of connection strap and the mutual axis in lower end of the preceding connection strap be connected together, the fold-down frame
Preceding lower end is provided with preceding universal wheel；
The front end of the fold-down frame is connected with pedal frame, and finite place piece, the downward folding is arranged in the lower end of the pedal frame
The preceding lower end of superimposed is movably set with position limiting slide block；
Described being folded up on frame and the fold-down frame is each provided with pedal, is each provided on the pedal described in two pieces
Multiple mounting holes.
Acceleration handle is held, is rotated backward as accelerating, turns left and turns left as wheel-chair, turn right as wheelchair
Vehicle is turned right, similar to two wheels, three-wheeled electric vehicle operation；Such as：Handle is accelerated to export to left slowdown module and right slowdown module data
It is 5 kilometers/hour, direction is the starting point that straight trip, then left regulating part and right regulating part are all only slowed down in origin A, origin A, and
Do not slow down, at this moment the speed of left power wheel and right power wheel is also 5 kilometers/hour, for straight trip；It is right when pivoted frame turns left
Regulating part is also in origin A, then the speed of right power wheel is 5 kilometers/hour, and left regulating part has moved down and slowed down, and a left side is dynamic
The speed of wheels is then less than 5 kilometers/hour, so wheel-chair can be curved to the left, such as adjust shifting block and left regulating part is moved to B reversings
Point, then left power wheel 11 will reverse, such electric wheel-chair vehicle will original place spin；
This control device is more easy to learn than existing controller, adapts to soon, controllability is good, and control device can make left power wheel and right power
Differential steering between wheel keeps the turning radius smaller of wheel-chair also more flexible；
The setting of flexible buffering rear wheel frame, is adjusted the wheelbase of preceding power wheel and rear universal wheel, wheelbase is longer, and wheel-chair is more steady
It is more comfortable；Expansion screw and hand crank are manually adjustable, and electric pushrod C can be automatically adjusted；
The setting of flexible connector A and flexible connector B can make the front end of folding load-carrying frame have opposite resiliency, in making, it is preceding,
3 points of trailing wheel has good adherence properties when road surface is high and low, and electric pushrod A is foldable or stretching, extension is folded up frame；
The setting of forward and backward connection strap can be conveniently folded up under the action of electric pushrod B between frame and fold-down frame
180 degree is folded and is arbitrarily adjusted；Electric pushrod is a kind of product of maturation, it is small and conveniently, it is practical；Fold setting for load-carrying frame
Set the utilization benefit for being greatly improved electric wheelchair, can manned, loading, shopping, transport, during general action is convenient, the elderly
Also it can be used as and ride instead of walk and delivery vehicle, can also arbitrarily adjust the comfortable position of the lower part of the body；It is folded up on frame and fold-down frame
The setting of mounting hole can fix chair, stool and Shopping Basket and cargo etc. on pedal；
The setting of locating part and position limiting slide block can make running-board bracket open 90 degree or 180 degree, when position limiting slide block withstands locating part, pedal
Frame can only open 90 degree, when position limiting slide block leaves locating part, and running-board bracket can open 180 degree；
It is an advantage of the invention that：User's adaptability is fast, and more simply, conveniently, traveling is safer, steady, comfortable, can be automatic for operation
It folds, is flexible, adjusting, it can manned, loading, shopping.
Description of the drawings
Fig. 1 is the front and back stretching, extension figure of the present invention；
Fig. 2 is the rear side stretching, extension figure of the present invention；
Fig. 3 is that figure is received in the front and back contracting of the present invention；
Fig. 4 is the control device figure of the present invention；
Fig. 5 is the control device structure sectional view of the present invention；
Fig. 6 is the control device left-hand rotation structure sectional view of the present invention；
Fig. 7 is the flexible buffering rear wheel frame manual telescopic cross-sectional view of the structure of the present invention；
Fig. 8 is the flexible buffering rear wheel frame automatic telescopic structure sectional view of the present invention；
Fig. 9 is the preceding load carrying device structure sectional view of the present invention；
Figure 10 is the preceding load carrying device structural profile right view of the present invention；
Figure 11 is that the preceding load carrying device structural profile right side of the present invention regards folding process figure；
Figure 12 is that the preceding load carrying device structural profile right side of the present invention regards folding picture；
Figure 13 is the fold-down frame and pedal frame structure upward view of the present invention；
Figure 14 is that 90 degree of the pedal frame of the present invention turns up exploded view；
Figure 15 is the pedal frame folding picture of the present invention；
Figure 16 is the electric wheelchair two-seater figure of the present invention；
Figure 17 is that the comfort level of the present invention arbitrarily adjusts figure.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
As shown in the figure：1. wheelchair frame, 2. fold load-carrying frame, 4. flexible buffering rear wheel frames；6. control device；
11. left power wheel, 12. right power wheels, 13. left power plants, 14. right power plants, universal wheel before 15., ten thousand after 16.
To wheel；
21. being folded up frame, 22. fold-down framves, 23. pedal frames, 25. electric pushrod A, 26. electric pushrod B, 27. elasticity are even
Fitting A, 28. flexible connector B, connection strap before 29., connection strap after 30., 31. locating parts, 32. position limiting slide blocks；
41. bumper bracket, 42. expansion brackets, 43. bolsters, 45. stress items, 46. expansion screws, 47. hand cranks, 48. electric pushrods
C；
61. control box, 62. mounting plates, 63. pivoted frames, 65. accelerate handle, and 66. electronics brake levers, 67. shafts, 71. adjust shifting block,
72. left slowdown module, 73. right slowdown modules, 75. left regulating parts, 76. right regulating parts, A. origins, B. turnover points.
As shown in Figure 4,5, 6：Multi-functional load-carrying wheel-chair, including wheelchair frame 1, folding load-carrying frame 2, flexible buffering trailing wheel
Frame 4 and control device 6；Control device 6 includes control box 61 and pivoted frame 63, is provided on pivoted frame 63 and handle 65 and electronics is accelerated to stop
66, the downside of pivoted frame 63 is provided with shaft 67, is provided in shaft 67 and adjusts shifting block 71；
It is provided with left slowdown module 72 and right slowdown module 73 in control box 61, accelerates the acceleration DOL Data Output Line of handle 65 simultaneously
Left slowdown module 72 and right slowdown module 73 are connected, left regulating part is respectively arranged in left slowdown module 72 and right slowdown module 73
75 and right regulating part 76, shaft 67 be movably arranged between left slowdown module 72 and right slowdown module 73, adjust shifting block 71 rotate
When left regulating part 75 or right regulating part 76 can be pushed to move, left regulating part 75 and right regulating part 76 are moved from origin A to turnover point B
When can in the basal rate provided by acceleration handle 65 gradually slow down and to reverse, left regulating part 75 and right regulating part 76 are always
For bullet to origin A, the DOL Data Output Line of left slowdown module 72 and right slowdown module 73 is separately connected microcontroller, the side of control box 61
It is provided with mounting plate 62.
It is 5 kilometers/hour such as to accelerate handle 65 to export to left slowdown module 72 and 73 data of right slowdown module, and direction is straight
Row, then left regulating part 75 and right regulating part 76 are all the starting point slowed down in origin A, origin A, at this moment left dynamic there is no slowing down
The speed of wheels 11 and right power wheel 12 is also 5 kilometers/hour, for straight trip；As shown in figure 15：It is right when pivoted frame 63 turns left
Regulating part 76 is also in origin A, then the speed of right power wheel 12 is 5 kilometers/hour, and left regulating part 75 has slowed down, left power
The speed of wheel 11 is then less than 5 kilometers/hour, so wheel-chair can be curved to the left, left regulating part 75 is moved to B and fallen by such as adjusting shifting block 71
Che Dian, then left power wheel 11 will reverse, such electric wheel-chair vehicle will original place spin；This control device 6 is than existing control
Device is easy to learn, adapts to soon, controllability is good.
As shown in Fig. 7,9：Flexible buffering rear wheel frame 4 includes bumper bracket 41 and expansion bracket 42, the left and right difference of wheelchair frame 1
It is provided with left power wheel 11 and right power wheel 12；13 be left power plant, and 14 be right power plant, the rear side of wheelchair frame 1
It is connected with bumper bracket 41, the rear side of wheelchair frame 1 is provided with stress item 45, is arranged between the rear end and stress item 45 of bumper bracket 41
There are bolster 43 and limit connector；Bolster 43 can be spring or other etc., and power wheel wheel is big, after have buffer unit,
It is safer, comfortable when driving in this way；
It is movably set with expansion bracket 42 in bumper bracket 41, expansion screw 46 is movably set in expansion bracket 42, expansion screw 46
Rear end is provided with hand crank 47, the rear end of bumper bracket 41 be provided with the nut to match with expansion screw 46 and with expansion screw 46
It is connected, the posterior end of expansion bracket 42 is provided with rear universal wheel 16；Expansion screw 46 is provided with screens piece in expansion bracket 42, only
It can rotate, cannot be moved forward and backward, this device is to adjust manually.
As shown in Figure 8：Electric pushrod C48 is provided between bumper bracket 41 and expansion bracket 42, this device is automatic adjustment.
As shown in Fig. 1,2,3,9,10,11,12：It includes being folded up frame 21 and fold-down frame 22 to fold load-carrying frame 2, is taken turns
The front lower side axle of chair body frame 1, which is connected to, is folded up frame 21, and flexible connector A27 is provided in wheelchair frame 1, is folded up frame 21
In be provided with flexible connector B28, electric pushrod A25 is provided between flexible connector A27 and flexible connector B28, upwards
The front end of folding stand 21 is connected with fold-down frame 22, and the downside for being folded up frame 21 is provided with rear connection strap 30, is folded down
The downside of frame 22 is provided with preceding connection strap 29, is folded up in frame 21 and is provided with electric pushrod B26, the front end of electric pushrod B26
It is connected together with the mutual axis in lower end of the lower end and preceding connection strap 29 of rear connection strap 30, the preceding lower end for being folded down frame 22 is provided with
Preceding universal wheel 15；
Flexible can drive of electric pushrod A25 is folded up the 90 degree of movements of the work of frame 21, and the flexible of electric pushrod B26 can drive downwards
Folding stand makees 180 degree movement；
As shown in Figure 13,14,15：The front end for being folded down frame 22 is connected with pedal frame 23, and the lower end setting of pedal frame 23 is limited
Position part 31, the preceding lower end for being folded down frame 22 are movably set with position limiting slide block 32；
As shown in Fig. 1,16：It is folded up on frame 21 and fold-down frame 22 and is each provided with pedal, be each provided on two pieces of pedals
Multiple mounting holes：The setting of mounting hole can fix chair, stool and Shopping Basket and cargo etc..
Claims (4)
1. electric wheel-chair control device, including wheelchair frame, control device, flexible buffering rear wheel frame and folding load-carrying frame, special
Sign is that the control device includes control box and pivoted frame, is provided on the pivoted frame and accelerates handle and electronics brake lever, institute
It states and is provided with shaft on the downside of pivoted frame, adjusting shifting block is provided in the shaft；
Left slowdown module and right slowdown module are provided in the control box, the acceleration DOL Data Output Line for accelerating handle is simultaneously
The left slowdown module and the right slowdown module are connected, is divided in the left slowdown module and the right slowdown module
It is not provided with left regulating part and right regulating part, the shaft is movably arranged on the left slowdown module and the right deceleration
Between module, the adjusting shifting block can push the left regulating part or the right regulating part to move when rotating, described
It, can be in the practical speed provided by the acceleration handle when left regulating part and the right regulating part are moved from origin A to turnover point B
Gradually slow down in degree and to reversing, the left regulating part and the right regulating part always bullet to origin A, the left deceleration mould
The DOL Data Output Line of block and the right slowdown module is separately connected microcontroller, and the side of the control box is provided with mounting plate.
2. electric wheel-chair control device according to claim 1, the flexible buffering rear wheel frame includes bumper bracket and stretches
Frame, it is characterised in that the front left and right of the wheelchair frame is respectively arranged with left power wheel and right power wheel；The wheelchair frame
Rear side is connected with bumper bracket, and stress item, the rear end of the bumper bracket and the stress are provided on rear side of the wheelchair frame
Bolster and limit connector are provided between item；
It is movably set with expansion bracket in the bumper bracket, expansion screw, the expansion screw are movably set in the expansion bracket
Rear end be provided with hand crank, the rear end of the bumper bracket be provided with the nut to match with the expansion screw and with it is described
Expansion screw is connected, and the posterior end of the expansion bracket is provided with rear universal wheel.
3. electric wheel-chair control device according to claim 2, it is characterised in that the bumper bracket stretches with described
Electric pushrod C is provided between frame.
4. electric wheel-chair control device according to claim 1, the folding load-carrying frame include be folded up frame and to
Lower folding stand, it is characterised in that the front lower side axle of wheelchair frame, which is connected to, is folded up frame, is provided in the wheelchair frame
Flexible connector A, described being folded up in frame are provided with flexible connector B, the flexible connector A and the elasticity
Be provided with electric pushrod A between connector B, the front end for being folded up frame is connected with the fold-down frame, it is described to
It is provided with rear connection strap on the downside of upper folding stand, preceding connection strap, the upward folding are provided on the downside of the fold-down frame
Electric pushrod B is provided in superimposed, the lower end and the preceding connection strap of the front end of the electric pushrod B and the rear connection strap
The mutual axis in lower end is connected together, and the preceding lower end of the fold-down frame is provided with preceding universal wheel；
The front end of the fold-down frame is connected with pedal frame, and finite place piece, the downward folding is arranged in the lower end of the pedal frame
The preceding lower end of superimposed is movably set with position limiting slide block；
Described being folded up on frame and the fold-down frame is each provided with pedal, is each provided on the pedal described in two pieces
Multiple mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141513.2A CN108309592B (en) | 2018-02-11 | 2018-02-11 | Control device of electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141513.2A CN108309592B (en) | 2018-02-11 | 2018-02-11 | Control device of electric wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108309592A true CN108309592A (en) | 2018-07-24 |
| CN108309592B CN108309592B (en) | 2020-06-23 |
Family
ID=62903701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810141513.2A Active CN108309592B (en) | 2018-02-11 | 2018-02-11 | Control device of electric wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108309592B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415049A (en) * | 1981-09-14 | 1983-11-15 | Instrument Components Co., Inc. | Electrically powered vehicle control |
| WO1997031606A1 (en) * | 1996-03-01 | 1997-09-04 | Pacific 21 Pty. Ltd. | Side frame for a wheelchair and a wheelchair incorporating same |
| CN1944155A (en) * | 2006-10-09 | 2007-04-11 | 重庆大学 | Electric vehicle chassis |
| CN2935994Y (en) * | 2006-07-29 | 2007-08-22 | 周文化 | Multifunction folding travel chair |
| CN101817380A (en) * | 2010-04-07 | 2010-09-01 | 吴炳发 | Multifunctional electric scooter |
| CN102429789A (en) * | 2012-01-10 | 2012-05-02 | 宁波市鄞州发辉机械科技有限公司 | Combined type multifunctional electric wheelchair |
| CN103690319A (en) * | 2013-12-26 | 2014-04-02 | 哈尔滨工程大学科技园发展有限公司 | Electric wheelchair operating arm |
| WO2015059662A1 (en) * | 2013-10-23 | 2015-04-30 | Wang Quang Chi | Portable multifunction scooter |
| CN105919740A (en) * | 2016-07-20 | 2016-09-07 | 张学衡 | Electric wheelchair for climbing stairs |
-
2018
- 2018-02-11 CN CN201810141513.2A patent/CN108309592B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415049A (en) * | 1981-09-14 | 1983-11-15 | Instrument Components Co., Inc. | Electrically powered vehicle control |
| WO1997031606A1 (en) * | 1996-03-01 | 1997-09-04 | Pacific 21 Pty. Ltd. | Side frame for a wheelchair and a wheelchair incorporating same |
| CN2935994Y (en) * | 2006-07-29 | 2007-08-22 | 周文化 | Multifunction folding travel chair |
| CN1944155A (en) * | 2006-10-09 | 2007-04-11 | 重庆大学 | Electric vehicle chassis |
| CN101817380A (en) * | 2010-04-07 | 2010-09-01 | 吴炳发 | Multifunctional electric scooter |
| CN102429789A (en) * | 2012-01-10 | 2012-05-02 | 宁波市鄞州发辉机械科技有限公司 | Combined type multifunctional electric wheelchair |
| WO2015059662A1 (en) * | 2013-10-23 | 2015-04-30 | Wang Quang Chi | Portable multifunction scooter |
| CN103690319A (en) * | 2013-12-26 | 2014-04-02 | 哈尔滨工程大学科技园发展有限公司 | Electric wheelchair operating arm |
| CN105919740A (en) * | 2016-07-20 | 2016-09-07 | 张学衡 | Electric wheelchair for climbing stairs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108309592B (en) | 2020-06-23 |
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