CN108309592B - Control device of electric wheelchair - Google Patents
Control device of electric wheelchair Download PDFInfo
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- CN108309592B CN108309592B CN201810141513.2A CN201810141513A CN108309592B CN 108309592 B CN108309592 B CN 108309592B CN 201810141513 A CN201810141513 A CN 201810141513A CN 108309592 B CN108309592 B CN 108309592B
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- frame
- deceleration module
- folding
- buffer
- wheelchair
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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
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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
- A61G5/08—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
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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
- A61G5/10—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
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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
- A61G5/10—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
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- 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 an electric wheelchair control device, which comprises a wheelchair main frame, a control device, a telescopic buffer rear wheel carrier and a folding load-carrying frame, wherein the control device comprises a control box and a rotating frame, the rotating frame is provided with an accelerating rotating handle and an electronic braking handle, the lower side of the rotating frame is provided with a rotating shaft, and an adjusting shifting block is arranged on the rotating shaft; the control box is provided with a left deceleration module and a right deceleration module, the left deceleration module and the right deceleration module are respectively provided with a left adjusting part and a right adjusting part, the rotating shaft is movably arranged between the left deceleration module and the right deceleration module, the left adjusting part or the right adjusting part can be pushed to move when the adjusting shifting block rotates, the left adjusting part and the right adjusting part can gradually decelerate and reverse in the actual speed provided by the accelerating rotating handle when moving from an original point A to a reverse point B, and the left adjusting part and the right adjusting part always bounce to the original point A, and the invention has the advantages that: easy to learn, fast to adapt, good in controllability, capable of automatically folding and stretching, capable of carrying people, carrying goods and shopping, and safer, more stable and more comfortable to drive.
Description
Technical Field
The invention relates to a controller of an electric wheelchair, in particular to a wheelchair control device which can be quickly adapted, is convenient to operate and is safer and more practical.
Background
The controller is various in variety, but all the controllers are cross-shaped in control direction, and the vehicle speed is additionally provided with a plurality of gears; however, most wheelchair vehicles are used by old people and mobility-impaired people, especially the old people are difficult to adapt to new things, and even the old people who use the electric wheelchair have been asked about, the wheelchair vehicles are difficult to adapt to the existing controller, but no reason can be found, and the wheelchair vehicles can only be used with courts and surprise, and the speed is controlled by a switch, so the acceleration and deceleration are not very convenient;
most of the old people drive the electric vehicle, the direction, acceleration and deceleration operations of the electric vehicle are memorized deeply, and how to continue the operation habits of the old people to the electric wheelchair;
the research on the wheelchair and the direction control device has been carried out for decades, and after long-term market research, the existing wheelchair is deeply compared, various mechanical and electronic data are consulted, and the wheelchair control device which is fast in adaptability, simple to operate and convenient is designed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a control device of an electric wheelchair, which has the advantages of quick adaptability, simple operation and convenience.
The electric wheelchair control device comprises a wheelchair main frame, a control device, a telescopic buffer rear wheel frame and a folding load frame, and is characterized in that the control device comprises a control box and a rotating frame, wherein the rotating frame is provided with an accelerating rotating handle and an electronic braking handle, a rotating shaft is arranged at the lower side of the rotating frame, and an adjusting shifting block is arranged on the rotating shaft;
the control box is internally provided with a left deceleration module and a right deceleration module, an acceleration data output line of the acceleration rotating handle is simultaneously connected with the left deceleration module and the right deceleration module, a left adjusting piece and a right adjusting piece are respectively arranged in the left deceleration module and the right deceleration module, the rotating shaft is movably arranged between the left deceleration module and the right deceleration module, the adjusting shifting block can push the left adjusting piece or the right adjusting piece to move when rotating, when the left adjusting piece and the right adjusting piece move from an original point A to a reversal point B, the left adjusting piece and the right adjusting piece can gradually decelerate and reverse in the actual speed provided by the acceleration rotating handle, the left adjusting piece and the right adjusting piece always bounce to the original point A, and the data output lines of the left deceleration module and the right deceleration module are respectively connected with a single chip microcomputer, one side of the control box is provided with a mounting plate, the front lower side of the wheelchair main frame is connected with a folding load carrier, the rear lower side of the wheelchair main frame is connected with a telescopic buffering rear wheel carrier, and the control device is arranged on the wheelchair main frame.
The telescopic buffer rear wheel frame comprises a buffer frame and a telescopic frame and is characterized in that a left power wheel and a right power wheel are respectively arranged on the front left side and the front right side of the wheelchair main frame; the rear lower side of the wheelchair main frame is connected with a buffer frame in a shaft mode, a stress strip is arranged on the rear side of the wheelchair main frame, and a buffer part and a limiting connecting piece are arranged between the rear end of the buffer frame and the stress strip;
the buffer frame is movably provided with an expansion frame, the expansion frame is movably provided with an expansion screw, the rear end of the expansion screw is provided with a hand crank, the rear end of the buffer frame is provided with a nut matched with the expansion screw and connected with the expansion screw, and the rear lower end of the expansion frame is provided with a rear universal wheel.
The telescopic buffer rear wheel frame comprises a buffer frame and a telescopic frame, an electric push rod C is arranged in the telescopic buffer rear wheel frame, and the front end and the rear end of the electric push rod C are respectively connected with the front end and the rear end of the telescopic buffer rear wheel frame.
The folding load-carrying frame comprises an upward folding frame and a downward folding frame, and is characterized in that the front lower side of the wheelchair main frame is connected with the upward folding frame through a shaft, an elastic connecting piece A is arranged in the wheelchair main frame, an elastic connecting piece B is arranged in the upward folding frame, an electric push rod A is arranged between the elastic connecting piece A and the elastic connecting piece B, the front end of the upward folding frame is connected with the downward folding frame through a shaft, a rear connecting strip is arranged on the lower side of the upward folding frame, a front connecting strip is arranged on the lower side of the downward folding frame, an electric push rod B is arranged in the upward folding frame, the front end of the electric push rod B, the lower end of the rear connecting strip and the lower end of the front connecting strip are connected together through a shaft, and a front universal wheel is arranged at the front lower end of the downward folding frame;
the front end of the downward folding frame is connected with a foot rest in a shaft mode, the lower end of the foot rest is provided with a limiting piece, and the front lower end of the downward folding frame is movably provided with a limiting sliding block;
the folding rack is characterized in that pedals are respectively arranged on the upward folding rack and the downward folding rack, and a plurality of fixing holes are respectively arranged on the two pedals.
The acceleration rotating handle is held, the backward rotation is acceleration, the leftward rotation is the left rotation of the wheelchair, the rightward rotation is the right rotation of the wheelchair, and the operation is similar to that of a two-wheel electric vehicle or a three-wheel electric vehicle; such as: the data output by the accelerating rotating handle to the left decelerating module and the right decelerating module is 5 km/h, the direction is straight, the left adjusting part and the right adjusting part are both at an original point A, the original point A is only the starting point of deceleration and is not decelerated, and at the moment, the speeds of the left power wheel and the right power wheel are also 5 km/h and are straight; when the rotating frame rotates leftwards, the right adjusting piece is still at the original point A, the speed of the right power wheel is 5 kilometers per hour, the left adjusting piece moves downwards to reduce the speed, and the speed of the left power wheel is less than 5 kilometers per hour, so that the wheelchair can bend leftwards, if the left adjusting piece is moved to the reversing point B by the adjusting shifting block, the left power wheel 11 can be reversed, and the electric wheelchair can rotate in place;
compared with the existing controller, the control device is easy to learn, fast in adaptation and good in controllability, and the control device can enable the left power wheel and the right power wheel to perform differential steering, so that the turning radius of the wheelchair is smaller and more flexible;
the arrangement of the telescopic buffer rear wheel frame can adjust the wheel base of the front power wheel and the rear universal wheel, and the longer the wheel base is, the more stable and comfortable the wheelchair is; the telescopic screw and the hand crank can be manually adjusted, and the electric push rod C can be automatically adjusted;
the arrangement of the elastic connecting piece A and the elastic connecting piece B can ensure that the front end of the folding load carrier has relative buffering performance, so that three points of the middle wheel, the front wheel and the rear wheel have good ground gripping performance when the road surface is high or low, and the electric push rod A can fold or extend the folding frame upwards;
the arrangement of the front connecting strip and the rear connecting strip can facilitate 180-degree folding and random adjustment between the upward folding frame and the downward folding frame under the action of the electric push rod B; the electric push rod is a mature product, has small volume, is convenient and practical; the arrangement of the folding load-carrying frame can greatly improve the use benefit of the electric wheelchair, can carry people and goods, can be used for shopping and transportation, can be used as a vehicle for riding instead of walk and carrying for the middle-aged and the old with convenient actions, and can also adjust the comfortable position of the lower part of the body at will; the fixing holes on the pedals on the upward folding frame and the downward folding frame are used for fixing chairs, stools, shopping baskets, goods and the like;
the limiting piece and the limiting slide block are arranged to enable the pedal frame to be opened by 90 degrees or 180 degrees, when the limiting slide block abuts against the limiting piece, the pedal frame can only be opened by 90 degrees, and when the limiting slide block leaves the limiting piece, the pedal frame can be opened by 180 degrees;
the invention has the advantages that: the user has the advantages of quick adaptability, simpler and more convenient operation, safer, more stable and more comfortable driving, automatic folding, stretching and adjusting, and capability of carrying people, goods and shopping.
Drawings
Fig. 1 is a front-to-back extension view of the present invention.
Fig. 2 is a rear side extension view of the present invention.
Fig. 3 is a front and rear contracted view of the present invention.
Fig. 4 is a diagram of a control device of the present invention.
Fig. 5 is a structural sectional view of the control device of the present invention.
Fig. 6 is a left-turn structural sectional view of the control device of the present invention.
FIG. 7 is a sectional view of the hand-operated telescopic structure of the rear wheel frame with telescopic buffer of the present invention.
FIG. 8 is a cross-sectional view of the automatic retractable structure of the rear wheel frame with retractable buffer of the present invention.
Fig. 9 is a structural sectional view of a front loading device of the present invention.
Fig. 10 is a right side view, in cross-section, of the front loading unit configuration of the present invention.
Fig. 11 is a cross-sectional right side view of the front loading device structure of the folding process of the present invention.
Fig. 12 is a right side folding view of the front loading device structure of the invention.
Fig. 13 is a bottom view of the structure of the downwardly folding leg and the foot rest of the present invention.
Fig. 14 is an exploded view of the footrest 90 degrees in accordance with the present invention.
Fig. 15 is a folding view of the foot rest of the present invention.
Fig. 16 is a double-seat view of the electric wheelchair of the present invention.
Fig. 17 is a comfort level adjustment option diagram of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in the figure: 1. a wheelchair main frame, 2. a folding load carrier, 4. a telescopic buffer rear wheel carrier; 6. a control device;
11. the left power wheel, 12, the right power wheel, 13, the left power device, 14, the right power device, 15, the front universal wheel and 16, the rear universal wheel; 21. upward folding frame, 22 downward folding frame, 23 pedal frame, 25 electric push rod A, 26 electric push rod B, 27 elastic connecting piece A, 28 elastic connecting piece B, 29 front connecting strip, 30 rear connecting strip, 31 limiting piece, 32 limiting slide block; 41. the buffer frame, 42, the telescopic frame, 43, the buffer piece, 45, the stress strip, 46, the telescopic screw rod, 47, the hand crank and 48, the electric push rod C; 61. the control box, 62, a mounting plate, 63, a rotating frame, 65, an accelerating rotating handle, 66, an electronic brake handle, 67, a rotating shaft, 71, an adjusting shifting block, 72, a left speed reducing module, 73, a right speed reducing module, 75, a left adjusting piece, 76, a right adjusting piece, A, an original point and B, a reversing point.
As shown in fig. 4, 5, and 6: the multifunctional load-bearing wheelchair comprises a wheelchair main frame 1, a folding load-bearing frame 2, a telescopic buffer rear wheel frame 4 and a control device 6; the control device 6 comprises a control box 61 and a rotating frame 63, wherein an accelerating rotating handle 65 and an electronic brake handle 66 are arranged on the rotating frame 63, a rotating shaft 67 is arranged on the lower side of the rotating frame 63, and an adjusting shifting block 71 is arranged on the rotating shaft 67; the control box 61 is provided with a left deceleration module 72 and a right deceleration module 73, an acceleration data output line of the acceleration rotating handle 65 is simultaneously connected with the left deceleration module 72 and the right deceleration module 73, the left deceleration module 72 and the right deceleration module 73 are respectively provided with a left adjusting piece 75 and a right adjusting piece 76, the rotating shaft 67 is movably arranged between the left deceleration module 72 and the right deceleration module 73, the left adjusting piece 75 or the right adjusting piece 76 can be pushed to move when the adjusting shifting block 71 rotates, the left adjusting piece 75 and the right adjusting piece 76 can be gradually decelerated and reversed in the basic speed provided by the acceleration rotating handle 65 when moving from the original point A to the reversal point B, the left adjusting piece 75 and the right adjusting piece 76 always bounce to the original point A, the data output lines of the left deceleration module 72 and the right deceleration module 73 are respectively connected with the single chip microcomputer, and one side of the control box 61 is provided with the mounting plate 62.
If the data output by the acceleration rotating handle 65 to the left deceleration module 72 and the right deceleration module 73 is 5 km/h, and the direction is straight, the left adjusting piece 75 and the right adjusting piece 76 are both at the original point A, the original point A is only the starting point of deceleration and is not decelerated, and at this time, the speeds of the left power wheel 11 and the right power wheel 12 are also 5 km/h and are straight; as shown in fig. 15: when the rotating frame 63 rotates leftwards, the right adjusting piece 76 is still at the original point A, the speed of the right power wheel 12 is 5 km/h, the speed of the left adjusting piece 75 is reduced, and the speed of the left power wheel 11 is less than 5 km/h, so that the wheelchair can bend leftwards, if the left adjusting piece 75 is moved to a reversing point B by the adjusting shifting block 71, the left power wheel 11 can be reversed, and the electric wheelchair can rotate in place; compared with the existing controller, the control device 6 is easy to learn, fast in adaptation and good in controllability.
As shown in fig. 7 and 9: the telescopic buffer rear wheel frame 4 comprises a buffer frame 41 and a telescopic frame 42, and the left power wheel 11 and the right power wheel 12 are respectively arranged on the left and the right of the wheelchair main frame 1; 13 is a left power device, 14 is a right power device, the rear lower side of the wheelchair main frame 1 is connected with a buffer frame 41 in a shaft mode, the rear side of the wheelchair main frame 1 is provided with a stress strip 45, and a buffer 43 and a limiting connecting piece are arranged between the rear end of the buffer frame 41 and the stress strip 45; the buffer piece 43 can be a spring or other materials, the wheel of the power wheel is large, and a buffer device is arranged behind the power wheel, so that the vehicle is safer and more comfortable to run;
an expansion bracket 42 is movably arranged in the buffer bracket 41, an expansion screw 46 is movably arranged in the expansion bracket 42, a hand crank 47 is arranged at the rear end of the expansion screw 46, a nut matched with the expansion screw 46 is arranged at the rear end of the buffer bracket 41 and connected with the expansion screw 46, and a rear universal wheel 16 is arranged at the rear lower end of the expansion bracket 42; the telescopic screw 46 is provided with a clamping piece in the telescopic frame 42, and the clamping piece can only rotate but cannot move back and forth, and the device is manually adjusted.
As shown in fig. 8: the telescopic buffer rear wheel frame 4 comprises a buffer frame 41 and a telescopic frame 42, an electric push rod C is arranged in the telescopic buffer rear wheel frame, and the front end and the rear end of the electric push rod C48 are respectively connected with the front end and the rear end of the telescopic buffer rear wheel frame.
An electric push rod C48 is arranged between the buffer frame 41 and the telescopic frame 42, and the device is automatically adjusted.
As shown in fig. 1, 2, 3, 9, 10, 11, 12: the folding load carrier 2 comprises an upward folding frame 21 and a downward folding frame 22, the upward folding frame 21 is connected with the front lower side of the wheelchair main frame 1 through a shaft, an elastic connecting piece A27 is arranged in the wheelchair main frame 1, an elastic connecting piece B28 is arranged in the upward folding frame 21, an electric push rod A25 is arranged between the elastic connecting piece A27 and the elastic connecting piece B28, the downward folding frame 22 is connected with the front end of the upward folding frame 21 through a shaft, a rear connecting strip 30 is arranged on the lower side of the upward folding frame 21, a front connecting strip 29 is arranged on the lower side of the downward folding frame 22, an electric push rod B26 is arranged in the upward folding frame 21, the front end of the electric push rod B26 is connected with the lower end of the rear connecting strip 30 and the lower end of the front connecting strip 29 through a shaft, and a front universal wheel 15 is arranged on;
the electric push rod A25 can drive the upward folding frame 21 to move 90 degrees, and the electric push rod B26 can drive the downward folding frame to move 180 degrees.
As shown in fig. 13, 14, 15: the front end of the downward folding frame 22 is connected with a foot rest 23 in a shaft mode, the lower end of the foot rest 23 is provided with a limiting piece 31, and the front lower end of the downward folding frame 22 is movably provided with a limiting slide block 32;
as shown in fig. 1 and 16: the upward folding frame 21 and the downward folding frame 22 are respectively provided with pedals, and the two pedals are respectively provided with a plurality of fixing holes: the fixing holes are arranged to fix chairs, stools, shopping baskets, goods and the like.
Claims (4)
1. Electronic wheelchair controlling means, wheel carrier and folding carrier after including wheelchair body frame, controlling means, flexible buffering, its characterized in that: the control device comprises a control box and a rotating frame, wherein an accelerating rotating handle and an electronic brake handle are arranged on the rotating frame, a rotating shaft is arranged on the lower side of the rotating frame, and an adjusting shifting block is arranged on the rotating shaft;
the control box is internally provided with a left deceleration module and a right deceleration module, an acceleration data output line of the acceleration rotating handle is simultaneously connected with the left deceleration module and the right deceleration module, the left deceleration module and the right deceleration module are respectively provided with a left adjusting piece and a right adjusting piece, the rotating shaft is movably arranged between the left deceleration module and the right deceleration module, the adjusting shifting block can push the left adjusting piece or the right adjusting piece to move when rotating, when the left adjusting piece and the right adjusting piece move from an original point A to a reversal point B, the left adjusting piece and the right adjusting piece can gradually decelerate and reverse in the actual speed provided by the acceleration rotating handle, the left adjusting piece and the right adjusting piece always bounce to the original point A, the data output lines of the left deceleration module and the right deceleration module are respectively connected with a single chip microcomputer, one side of the control box is provided with a mounting plate, the front lower side of the wheelchair main frame is connected with a folding load carrier, the rear lower side of the wheelchair main frame is connected with a telescopic buffering rear wheel carrier, and the control device is arranged on the wheelchair main frame.
2. The electric wheelchair controlling apparatus of claim 1, wherein: the telescopic buffer rear wheel frame comprises a buffer frame and a telescopic frame, and a left power wheel and a right power wheel are respectively arranged on the front left side and the front right side of the wheelchair main frame; the rear lower side of the wheelchair main frame is connected with a buffer frame in a shaft mode, a stress strip is arranged on the rear side of the wheelchair main frame, and a buffer part and a limiting connecting piece are arranged between the rear end of the buffer frame and the stress strip;
the buffer frame is movably provided with an expansion frame, the expansion frame is movably provided with an expansion screw, the rear end of the expansion screw is provided with a hand crank, the rear end of the buffer frame is provided with a nut matched with the expansion screw and connected with the expansion screw, and the rear lower end of the expansion frame is provided with a rear universal wheel.
3. The electric wheelchair controlling apparatus of claim 1, wherein: the telescopic buffer rear wheel frame comprises a buffer frame and a telescopic frame, an electric push rod C is arranged in the telescopic buffer rear wheel frame, and the front end and the rear end of the electric push rod C are respectively connected with the front end and the rear end of the telescopic buffer rear wheel frame.
4. The electric wheelchair controlling apparatus of claim 1, wherein: the folding load-carrying frame comprises an upward folding frame and a downward folding frame, the upward folding frame is connected with the front lower side of the wheelchair main frame through a shaft, an elastic connecting piece A is arranged in the wheelchair main frame, an elastic connecting piece B is arranged in the upward folding frame, an electric push rod A is arranged between the elastic connecting piece A and the elastic connecting piece B, the front end of the upward folding frame is connected with the downward folding frame through a shaft, a rear connecting strip is arranged on the lower side of the upward folding frame, a front connecting strip is arranged on the lower side of the downward folding frame, an electric push rod B is arranged in the upward folding frame, the front end of the electric push rod B is connected with the lower end of the rear connecting strip and the lower end of the front connecting strip through shafts, and a front universal wheel is arranged at the front lower end of the downward folding frame;
the front end of the downward folding frame is connected with a foot rest in a shaft mode, the lower end of the foot rest is provided with a limiting piece, and the front lower end of the downward folding frame is movably provided with a limiting sliding block;
the folding rack is characterized in that pedals are respectively arranged on the upward folding rack and the downward folding rack, and a plurality of fixing holes are respectively arranged on the two pedals.
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 CN108309592A (en) | 2018-07-24 |
| CN108309592B true 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) |
Family Cites Families (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 |
| AU4709996A (en) * | 1996-03-01 | 1997-09-16 | 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 |
| CN101817380B (en) * | 2010-04-07 | 2011-12-14 | 吴炳发 | Multifunctional electric scooter |
| CN102429789B (en) * | 2012-01-10 | 2013-08-07 | 宁波市鄞州发辉机械科技有限公司 | Combined type multifunctional electric wheelchair |
| AU2013248199A1 (en) * | 2013-10-23 | 2015-05-07 | Wang, Quang Chi MR | Portable multifunction scooter |
| CN103690319B (en) * | 2013-12-26 | 2016-02-03 | 哈尔滨工程大学科技园发展有限公司 | A kind of electric wheelchair action bars |
| CN105919740B (en) * | 2016-07-20 | 2018-02-09 | 汕头大学医学院第一附属医院 | A kind of electric wheel chair for climbing stairs |
-
2018
- 2018-02-11 CN CN201810141513.2A patent/CN108309592B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108309592A (en) | 2018-07-24 |
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