CN104771280A - Barrier-free electrically propelled wheelchair - Google Patents
Barrier-free electrically propelled wheelchair Download PDFInfo
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- CN104771280A CN104771280A CN201510189684.9A CN201510189684A CN104771280A CN 104771280 A CN104771280 A CN 104771280A CN 201510189684 A CN201510189684 A CN 201510189684A CN 104771280 A CN104771280 A CN 104771280A
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- wheel
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- electric wheelchair
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- noseplate
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Abstract
The invention provides a barrier-free electrically propelled wheelchair, which comprises a bottom plate, a seat part, a moving part, a driving part, a control part, an angle sensing device and a power supply part, wherein the bottom plate consists of a front bottom plate and a rear bottom plate which are rotatably connected; the seat part is located on the front bottom plate; the moving part consists of front wheels and rear wheels; the driving part is used for driving the front wheels and the rear wheels to rotate; the control part is used for controlling the driving part; the angle sensing device is connected with the driving part; the power supply part is used for supplying power for the electrically propelled wheelchair. As a gear-shaped structure is adopted by the front wheels of the barrier-free electrically propelled wheelchair provided by the invention, the barrier-free electrically propelled wheelchair can be better suitable for transition between the flat ground and stairs; a crawler wheel structure is adopted by the rear wheels, so transition between the stairs and the flat ground can be realized very well, and the barrier-free electrically propelled wheelchair can smoothly move up and down on the stairs; meanwhile, an angle between the rear bottom plate and the front bottom plate can be adjusted according to the actual situation, the barrier-free electrically propelled wheelchair provided by the invention not only is suitable for moving upstairs and downstairs but also is suitable for other ground configurations.
Description
Technical field
The invention belongs to wheelchair field, be specifically related to a kind of accessible electric wheelchair helping the self-service stair activity of handicapped person.
Background technology
According to " Chinese population aging prediction of the development trend research report " that whole nation office of aged work councils issues, the China of 21 century is an irreversible aging society.From calendar year 2001 by 2100, the aged tendency of population of China can be divided into three phases: calendar year 2001 is the first stage to the year two thousand twenty, is the quick aging stage; 2021 is second stage to the year two thousand fifty, is to accelerate the aging stage; 2051 was the phase III by 2100, was the stable severe aging stage.To the year two thousand twenty, aging population will reach 2.48 hundred million, and by 2051, Aged in China population scale will reach peak value 4.37 hundred million, be about 2 times of juvenile's size of population.The convenience of life of elderly person is the focus of social concerns always.
For a lot of old people, stair activity is the thing that part takes time and effort.A lot of old people and handicapped youngster, the simple crutch of most employing helps oneself stair activity, just has unless you give your whole attention to it and falls down injured danger.Not yet there is the automation control appliance that can help old people and the self-service stair activity of handicapped person at present.
Summary of the invention
The present invention, for solving the problem and carrying out, by providing a kind of accessible electric wheelchair, realizes old people and the self-service stair activity of handicapped youngster.
Present invention employs following technical scheme:
Accessible electric wheelchair provided by the invention, has such technical characteristic, has: base plate, comprises the noseplate and rear base plate that are rotationally connected, noseplate keep level, rear base plate can with noseplate at an angle; Seat portion, is arranged on noseplate; Moving part, comprises wheel units and rear wheel unit, and wheel units comprises the first front-wheel and the second front-wheel that are arranged at the noseplate left and right sides respectively, and rear wheel unit comprises the first wheel assembly and the second wheel assembly that are arranged at the rear base plate left and right sides respectively; Drive division, is connected with moving part, comprises front wheel drive unit, rear wheel drive device and rear deck driving unit, and for driving front-wheel respectively, trailing wheel moves and drive rear base plate to rotate; Angle sensing equipment, is connected with drive division, for testing the angle between rear base plate and noseplate; Control part, for controlling drive division; And power supply unit, for accessible electric wheelchair is powered, wherein, the wheel hub indentation of front-wheel, wheel assembly is Athey wheel.
Accessible electric wheelchair provided by the invention, can also have such technical characteristic: noseplate is connected by turning cylinder with rear base plate, and the front end sleeve of rear base plate closes on the rotating shaft, and rotates under the drive of turning cylinder, and noseplate at an angle.
Accessible electric wheelchair provided by the invention, such technical characteristic can also be had: seat portion comprises seat, backrest, the handrail being positioned at the left and right sides, seat, foot-operated and chair lower limb, chair lower limb one end is fixedly connected with bottom, seat, and the other end is fixedly connected with noseplate.
Accessible electric wheelchair provided by the invention, such technical characteristic can also be had: front wheel drive unit and rear wheel drive device comprise respectively be connected with front-wheel before turbin generator, and the rear-wheel motor to be connected with trailing wheel, front turbin generator and rear-wheel motor drive front-wheel and rear wheel respectively.
Accessible electric wheelchair provided by the invention, such technical characteristic can also be had: rear backplane drive portion comprises adjustment motor and regulates the change speed gear box that motor is connected and the power transmission shaft be connected with change speed gear box, the drive that the two ends, left and right of power transmission shaft are meshed with the gear with two ends, turning cylinder left and right, the rotating speed regulating motor to export is after change speed gear box slows down, drive power transmission shaft rotates, power transmission shaft passes through the engagement of drive and gear, drives turning cylinder to rotate.
Accessible electric wheelchair provided by the invention, such technical characteristic can also be had: the rear end of trailing wheel and rear base plate is rotationally connected by connecting axle, and finely tune its angle relative to rear base plate by adjusting rod, adjusting rod comprises the first adjusting rod and one end and the second adjusting rod be connected in the middle part of the first adjusting rod, the lower end of the first adjusting rod is connected with connecting axle, upper end is connected with foot-operated by thin wire, and the other end of the second adjusting rod is connected with the bottom bar of wheel assembly.Ride after being subject to the pressure of user, by the upper end of drop-down first adjusting rod of thin wire, and then drop-down second adjusting rod, realize the fine setting of angle between trailing wheel and rear base plate.
Accessible electric wheelchair provided by the invention, can also have such technical characteristic: power supply unit comprises the accumulator of powering for accessible electric wheelchair.
Accessible electric wheelchair provided by the invention, can also have such technical characteristic: accumulator is charged by solar panel, and solar panels rotate the top being installed on backrest.
Invention effect and effect
The invention provides a kind of accessible electric wheelchair, comprise the base plate be made up of the noseplate be rotationally connected and rear base plate, be positioned at the seat portion on noseplate, the moving part be made up of front-wheel and trailing wheel, drive the drive division of front-wheel and trailing wheel movement, control the control part of drive division, the angle sensing equipment be connected with drive division, and the power supply unit of to power for electric wheelchair, because accessible electric wheelchair front-wheel of the present invention adopts gear shape structure, the excessive of level land and staircase can better be applicable to, trailing wheel adopts Athey wheel structure, what can well realize between stair and level land is excessive, what make that accessible electric wheelchair of the present invention can be smooth moves up and down at stair.Meanwhile, because rear floor can according to practical situation adjustment and the angle of noseplate, therefore, accessible electric wheelchair of the present invention, except being applicable to stair activity, is also applicable to use in other landform.
Accompanying drawing explanation
Fig. 1 is the side view of accessible electric wheelchair of the present invention;
Fig. 2 is the front view of accessible electric wheelchair of the present invention;
Fig. 3 is the front view of accessible electric wheelchair of the present invention;
Fig. 4 is the structural representation in the front-wheel drive portion of accessible electric wheelchair of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
Fig. 1 is the side view of the accessible electric wheelchair of the present embodiment.
Fig. 2 is the front view of the accessible electric wheelchair of the present embodiment.
Fig. 3 is the front view of the accessible electric wheelchair of the present embodiment.
As described in Fig. 1 to Fig. 3, accessible electric wheelchair 100 comprises base plate 1, seat portion 2, moving part 3, drive division 4, power supply unit 5, angle sensing equipment and control part.
Base plate 1 comprises the noseplate 11 that is rotationally connected and rear base plate 12, and the two is connected by rotating shaft, and noseplate 11 remains level, rear base plate 12 can with noseplate 11 at an angle, to guarantee the balance of electric wheelchair.
Seat portion 2 is positioned on noseplate 11, comprises seat 21, backrest 22, the handrail being positioned at the left and right sides, seat, foot-operated and four chair lower limbs 23.With upstairs, downstairs, turn round and seat course changing control button on handrail, chair lower limb one end is fixedly connected with four angles of bottom, seat 21, and the other end is fixedly connected with noseplate 11.
Moving part 3 comprises wheel units 31 and rear wheel unit 32, wheel units 31 wheel hub indentation, comprise and lay respectively at the noseplate left and right sides and the first front-wheel 311 and the second front-wheel 312 connected with an axle, rear wheel unit 32 is Athey wheel, comprise the first wheel assembly 321 and the second wheel assembly 322 being arranged at rear base plate 12 bottom respectively, wheel assembly 32 and rear base plate 12 are rotationally connected by connecting axle.
Drive division 4 comprises the front wheel drive unit 41 and rear wheel drive device 42 that are connected with wheel units 31 and rear wheel unit 32 respectively, rear wheel drive device 42 comprises the first rear-wheel motor 421 driving the first wheel assembly 321 respectively and the second rear-wheel motor 422 driving the second wheel assembly 322, after motor is slowed down by speed-changing gear box, drive rear wheel.
Fig. 4 is the structural representation in the front-wheel drive portion in the present embodiment.
As shown in Figure 4, front wheel drive unit 41 comprises front turbin generator 411, speed-changing gear box 412, and speed-changing gear box 412 is connected with the connecting axle 313 of the first front-wheel 311 and the second front-wheel 312.After front turbin generator 411 starts, after being slowed down by the gear 4121 in speed-changing gear box and gear 4122, drive connecting axle 313 to rotate, and then the first front-wheel and the second front-wheel rotate under the drive of connecting axle 313.
Drive division 4 also comprises the rear deck driving unit 43 regulating rear base plate 12 angle, base plate regulates 43 to comprise the power transmission shaft 433 regulating motor 431 to be connected with change speed gear box 432 with the change speed gear box 432 regulating motor to be connected, power transmission shaft 433 two ends are with drive 4331, and drive 4331 and the gear 434 be positioned on rear base plate and noseplate connecting axle are meshed.
Control part comprises single-chip microcomputer, and angular transducer is in close relations.Single-chip microcomputer is for controlling the start and stop of each motor in drive division 4; Angle-data for measuring the angle of rear base plate 12 relative to noseplate 11, and is passed to single-chip microcomputer by angular transducer.Angular transducer is connected with adjustment motor 431, calculated in real time by the angle of induction machine rotating speed to rear base plate, single-chip microcomputer is according to angle-data, start and regulate motor 431, after change speed gear box 432 slows down, drive power transmission shaft 433 to rotate, and then drive 4331 driven gear 434 on power transmission shaft 433 rotate, the adjustment of base plate 12 position after realizing.
Power supply unit 5 comprises the accumulator 51 for drive division 4 and control part 5 power supply, and is the solar panels 52 that accumulator 51 is charged.Accumulator is positioned at the below at seat 21, and solar panels 52 rotate the top being installed on backrest.
In the present embodiment, the Athey wheel in trailing wheel carries out angle adjustment by adjusting rod 6, to make Athey wheel better and stair or earth surface.Adjusting rod 6 comprises the first adjusting rod 61 and the second adjusting rod 62, first adjusting rod 61 rear end is connected with the connecting axle of wheel assembly and rear base plate, front end is connected with pedal by thin wire, second adjusting rod 62 one end is connected with the middle part of the first adjusting rod 61, axle on the other end and Athey wheel is flexibly connected, and people one is sitting on seat and can applies certain downward pressure to trailing wheel.Because the structure of trailing wheel Track-wheel type constructs, the contact determining itself and stair or ground is better, and therefore the adjusting range of rear wheel angle is very little, belongs to the category of fine setting.
In the present embodiment, accumulator, except being connected with solar panels, also with common outlet, can also be charged by common power line, during to ensure that solar energy breaks down, and the normal use of electric wheelchair.
In the present embodiment, chair lower limb is made up of thick portion and thin portion two parts, need manually to change when downstairs as direction, in fact, seat can be designed to rotating electronic class seat, can rotate front and back, during expediently to go downstairs, occupant is towards the direction of wheelchair movement.
The using method of the electric wheelchair in the present embodiment is as follows:
When going upstairs, press shift knob upstairs on handrail, Single-chip Controlling front-wheel drive portion 41, rear wheel drive portion 42 start, front-wheel and trailing wheel start mobile, single-chip microcomputer is according to the data of angular transducer simultaneously, backplane drive portion after starting, the angle of base plate after regulating in real time, ensures steady on stair and when turning round of electric wheelchair.
When going downstairs, forward seat to rightabout, press button of going downstairs, motor reversal in Single-chip Controlling front-wheel drive portion 41, rear wheel drive portion 42, the now effect of front and back wheel is inverted, and trailing wheel serves guide effect, single-chip microcomputer also can according to the data of angular transducer simultaneously, backplane drive portion after starting, the angle of base plate after regulating in real time, ensures steady on stair and when turning round of electric wheelchair.
Embodiment effect and effect
Present embodiments provide a kind of accessible electric wheelchair, comprise the base plate be made up of the noseplate be rotationally connected and rear base plate, be positioned at the seat portion on noseplate, the moving part be made up of front-wheel and trailing wheel, drive the drive division of front-wheel and trailing wheel movement, control the control part of drive division, the angle sensing equipment be connected with drive division, and the power supply unit of to power for electric wheelchair, because the accessible electric wheelchair front-wheel of the present embodiment adopts gear shape structure, the excessive of level land and staircase can better be applicable to, trailing wheel adopts Athey wheel structure, what can well realize between stair and level land is excessive, what make that the accessible electric wheelchair of the present embodiment can be smooth moves up and down at stair.
Simultaneously, the application of angular transducer makes rear base plate can according to the angle of practical situation adjustment and noseplate, make the accessible electric wheelchair of the present embodiment, not only ensure that electric wheelchair runs smooth, and make electric wheelchair in the present embodiment except being applicable to stair activity, be also applicable in other landform.
In addition, the present embodiment adopts solar panels to be storage battery power supply, and the electric energy utilizing clean energy resource to change provides power, and the feature of environmental protection is good.
The invention is not restricted to the scope of detailed description of the invention; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present invention determined in described claim; these changes are apparent, and all innovation and creation utilizing the present invention to conceive are all at the row of protection.
Claims (8)
1. an accessible electric wheelchair, for handicapped person, realizes self-service stair activity, it is characterized in that, comprising:
Base plate, comprises the noseplate and rear base plate that are rotationally connected, and described noseplate keeps level, described rear base plate can with described noseplate at an angle;
Seat portion, is arranged on described noseplate;
Moving part, comprise wheel units and rear wheel unit, described wheel units comprises the first front-wheel and the second front-wheel that are arranged at the described noseplate left and right sides respectively, and described rear wheel unit comprises the first wheel assembly and the second wheel assembly that are arranged at the described rear base plate left and right sides respectively;
Drive division, is connected with described moving part, comprises front wheel drive unit, rear wheel drive device and rear deck driving unit, and for driving described front-wheel respectively, described trailing wheel moves and drive described rear base plate to rotate;
Angle sensing equipment, is connected with described drive division, for testing the angle between described rear base plate and described noseplate;
Control part, for controlling described drive division and described angle sensing equipment; And
Power supply unit, for described accessible electric wheelchair is powered,
Wherein, the wheel hub indentation of described front-wheel, described wheel assembly is Athey wheel.
2. accessible electric wheelchair according to claim 1, is characterized in that:
Wherein, described noseplate is connected by turning cylinder with described rear base plate, and the front end sleeve of described rear base plate is combined on described turning cylinder, and rotates under the drive of described turning cylinder, and described noseplate at an angle.
3. accessible electric wheelchair according to claim 1, is characterized in that:
Wherein, described seat portion comprises seat, backrest, is positioned at the handrail of the left and right sides, described seat, foot-operated and four chair lower limbs,
Described chair lower limb one end is fixedly connected with bottom, described seat, and the other end is fixedly connected with described noseplate.
4. accessible electric wheelchair according to claim 1, is characterized in that:
Wherein, described front wheel drive unit and described rear wheel drive device comprise respectively be connected with described front-wheel before turbin generator, and the rear-wheel motor to be connected with described wheel assembly, described front turbin generator and described rear-wheel motor drive described front-wheel and described rear wheel respectively.
5. accessible electric wheelchair according to claim 2, is characterized in that:
Wherein, described rear backplane drive portion comprises the change speed gear box that adjustment motor is connected with described adjustment motor and the power transmission shaft be connected with described change speed gear box,
The drive that the two ends, left and right of described power transmission shaft are meshed with the gear with two ends, described turning cylinder left and right,
The rotating speed that described adjustment motor exports, after change speed gear box slows down, drives described power transmission shaft to rotate, and described power transmission shaft, by the engagement of described drive and described gear, drives described turning cylinder to rotate.
6. accessible electric wheelchair according to claim 3, is characterized in that:
Wherein, the rear end of described trailing wheel and described rear base plate is rotationally connected by connecting axle, and finely tunes its angle relative to described rear base plate by adjusting rod,
Described adjusting rod comprises the first adjusting rod and one end and the second adjusting rod be connected in the middle part of described first adjusting rod, the lower end of described first adjusting rod is connected with connecting axle, upper end is by thin wire and described foot-operated connection, the other end of described second adjusting rod is connected with the bottom bar of described wheel assembly
Described foot-operated be subject to the pressure of described user after, by the upper end of drop-down described first adjusting rod of described thin wire, and then drop-down described second adjusting rod, realize the fine setting of angle between described trailing wheel and described rear base plate.
7. accessible electric wheelchair according to claim 1, is characterized in that:
Wherein, described power supply unit comprises the accumulator of powering for described accessible electric wheelchair.
8. accessible electric wheelchair according to claim 7, is characterized in that:
Wherein, described accumulator is charged by solar panel, and described solar panels rotate the top being installed on described backrest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189684.9A CN104771280B (en) | 2015-04-20 | 2015-04-20 | Barrier-free electrically propelled wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189684.9A CN104771280B (en) | 2015-04-20 | 2015-04-20 | Barrier-free electrically propelled wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104771280A true CN104771280A (en) | 2015-07-15 |
| CN104771280B CN104771280B (en) | 2017-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510189684.9A Expired - Fee Related CN104771280B (en) | 2015-04-20 | 2015-04-20 | Barrier-free electrically propelled wheelchair |
Country Status (1)
| Country | Link |
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| CN (1) | CN104771280B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106859876A (en) * | 2017-03-10 | 2017-06-20 | 东北大学 | A kind of auxiliary balance governor motion of robot stair activity |
| CN107296696A (en) * | 2017-08-03 | 2017-10-27 | 魏仕槚 | A kind of wheelchair for escalator |
| CN108514478A (en) * | 2018-05-14 | 2018-09-11 | 河南理工大学 | A kind of novel electric wheel chair for climbing stairs |
| CN111096860A (en) * | 2019-12-31 | 2020-05-05 | 南京工业职业技术学院 | Multifunctional wheelchair |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000066391A (en) * | 1999-04-16 | 2000-11-15 | 김권희 | Stair climbing wheel chair |
| CN1720886A (en) * | 2004-07-12 | 2006-01-18 | 日本三和公司 | Stair-climbing wheelchair carrier |
| CN201200560Y (en) * | 2008-06-24 | 2009-03-04 | 俞倩颖 | Solar energy electric wheelchair |
| US20090230638A1 (en) * | 2008-03-13 | 2009-09-17 | Monster Medic, Inc. | Stair chair |
| CN201529216U (en) * | 2009-10-16 | 2010-07-21 | 粟广欢 | Novel multifunctional vehicle for going downstairs |
| CN201578463U (en) * | 2009-12-30 | 2010-09-15 | 中国科学院沈阳自动化研究所 | Wheelchair robot based on deformable crawl belt mechanisms |
| CN101919768A (en) * | 2009-06-16 | 2010-12-22 | 上海市南汇区惠南镇第二小学 | Solar electric wheelchair |
| WO2012154184A1 (en) * | 2011-05-12 | 2012-11-15 | Ferno-Washington, Inc. | Collapsible motorized stair chair |
| CN203029503U (en) * | 2012-09-26 | 2013-07-03 | 路杨 | Electric multipurpose wheelchair used for sitting and lying and climbing stairs |
-
2015
- 2015-04-20 CN CN201510189684.9A patent/CN104771280B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000066391A (en) * | 1999-04-16 | 2000-11-15 | 김권희 | Stair climbing wheel chair |
| CN1720886A (en) * | 2004-07-12 | 2006-01-18 | 日本三和公司 | Stair-climbing wheelchair carrier |
| US20090230638A1 (en) * | 2008-03-13 | 2009-09-17 | Monster Medic, Inc. | Stair chair |
| CN201200560Y (en) * | 2008-06-24 | 2009-03-04 | 俞倩颖 | Solar energy electric wheelchair |
| CN101919768A (en) * | 2009-06-16 | 2010-12-22 | 上海市南汇区惠南镇第二小学 | Solar electric wheelchair |
| CN201529216U (en) * | 2009-10-16 | 2010-07-21 | 粟广欢 | Novel multifunctional vehicle for going downstairs |
| CN201578463U (en) * | 2009-12-30 | 2010-09-15 | 中国科学院沈阳自动化研究所 | Wheelchair robot based on deformable crawl belt mechanisms |
| WO2012154184A1 (en) * | 2011-05-12 | 2012-11-15 | Ferno-Washington, Inc. | Collapsible motorized stair chair |
| CN203029503U (en) * | 2012-09-26 | 2013-07-03 | 路杨 | Electric multipurpose wheelchair used for sitting and lying and climbing stairs |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106859876A (en) * | 2017-03-10 | 2017-06-20 | 东北大学 | A kind of auxiliary balance governor motion of robot stair activity |
| CN106859876B (en) * | 2017-03-10 | 2018-05-15 | 东北大学 | A kind of auxiliary balance adjusting mechanism of robot stair activity |
| CN107296696A (en) * | 2017-08-03 | 2017-10-27 | 魏仕槚 | A kind of wheelchair for escalator |
| CN107296696B (en) * | 2017-08-03 | 2023-11-03 | 魏仕槚 | Wheelchair for escalator |
| CN108514478A (en) * | 2018-05-14 | 2018-09-11 | 河南理工大学 | A kind of novel electric wheel chair for climbing stairs |
| CN108514478B (en) * | 2018-05-14 | 2022-04-19 | 河南理工大学 | Novel climb electronic wheelchair of stair |
| CN111096860A (en) * | 2019-12-31 | 2020-05-05 | 南京工业职业技术学院 | Multifunctional wheelchair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104771280B (en) | 2017-05-24 |
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Granted publication date: 20170524 Termination date: 20200420 |