CN105434121A - Electric stair climbing wheelchair - Google Patents
Electric stair climbing wheelchair Download PDFInfo
- Publication number
- CN105434121A CN105434121A CN201510966200.7A CN201510966200A CN105434121A CN 105434121 A CN105434121 A CN 105434121A CN 201510966200 A CN201510966200 A CN 201510966200A CN 105434121 A CN105434121 A CN 105434121A
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- wheel
- wheelchair
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- driving wheel
- tooth
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- 230000009194 climbing Effects 0.000 title claims abstract description 15
- 230000000474 nursing effect Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000219098 Parthenocissus Species 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Classifications
-
- 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
- A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
- A61G5/061—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps for climbing stairs
-
- 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
- A61G2200/00—Information related to the kind of patient or his position
- A61G2200/30—Specific positions of the patient
- A61G2200/34—Specific positions of the patient sitting
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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)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention relates to an electric stair climbing wheelchair. The electric stair climbing wheelchair comprises a frame, armrests, a driving wheel, a driving motor, a steering wheel and a steering wheel controller. A stair climbing driving mechanism comprises a tooth ring, a telescopic tooth electric push rod, telescopic teeth, a hub connecting flange, an eccentric circle, a limiting plate and a shaft sleeve. The tooth ring is installed on the inner side of a hub of the driving wheel through a connecting angle. Telescopic holes are machined in the tooth ring and evenly distributed in the tooth ring, and the telescopic teeth are installed in the telescopic holes of the tooth ring. The eccentric circle is installed on a motor shaft of the driving motor and limited by the limiting plate and the shaft sleeve. A telescopic auxiliary wheel mechanism comprises an auxiliary wheel carrier, a shear type telescopic frame, an electric push rod, a lower guide rod, an auxiliary wheel, an upper guide rod and an auxiliary wheel. The driving wheel can better exert climbing driving force through the telescopic teeth to drive the stair climbing wheelchair to finish stair climbing operation, the electric wheelchair has the upstairs going, downstairs going and normal ride-instead-of-walk driving functions, the problem that old people or people unable to move freely drive the wheelchair and go upstairs and downstairs alone is solved, and the use performance and safety of the electric stair climbing wheelchair are improved.
Description
Technical field
Patent of the present invention belongs to machinery and electric vehicle technical field, relates to a kind of electric stairs-climbing wheelchair.
Background technology
Wheelchair is the walking-replacing tool of people that legs and feet have deformity, walking disorder.In the wheelchair used at present, have manpower to drive and power driven, the wheelchair of these forms, at smooth or that the gradient is less ground run, is the technology of comparative maturity.Five-pointed star of the prior art is wheeled, track type climbing-building wheelchair substantially can solve and take advantage of wheelchair-bound people together with wheelchair together upper problem downstairs, but there are some defects.Need people to try hard to recommend time on the wheeled stair-climbing wheel chair of five-pointed star downstairs, draw, thus poor stability, safety coefficient is low.Need nursing staff to shift wheelchair onto stairs port place time on track type climbing-building wheelchair downstairs, then operate motor, control the motion of crawler belt.Track type climbing-building wheelchair volume is large and heavy, and manufacturing cost is high, and nursing staff needs could skilled operation through necessarily training.
Publication number is CN102805692A application for a patent for invention open " a kind of electric stairs-climbing wheelchair, point nursing type and self-driving type.Its crawler travel and driving mechanism are loaded on the vehicle frame between front-wheel and trailing wheel, front-wheel is loaded on seat, trailing wheel is loaded on trailing wheel elevating mechanism, seat and vehicle frame hinged, seat balanced controls and seat support hinged, trailing wheel elevating mechanism and vehicle frame hinged, accumulator cell assembly is connected with trailing wheel lifting motor with crawler travel motor, seat balance motor by controlling organization, and the clutch end of these three motors is connected with trailing wheel elevating mechanism with creeper undercarriage, seat balanced controls respectively by respective drive mechanism ".This patent application improves nursing type stair-climbing wheel chair, turn increases self-driving type stair-climbing wheel chair.But this patent application is still for crawler type is not easy to people's handled by itself and advancing by bus.
Summary of the invention
The object of this invention is to provide a kind of electric stairs-climbing wheelchair, electric wheelchair is had and climbs building and the function travelled of normally riding instead of walk, solution old people or handicapped person travel alone the problem with stair activity, improve serviceability and the safety of electric stairs-climbing wheelchair.
Technical scheme of the present invention is: electric stairs-climbing wheelchair, comprises vehicle frame, handrail, driving wheel, drive motors, deflecting roller and deflecting roller controller.Drive motors is connected with driving wheel by drive mechanism, the front portion of deflecting roller by turning to wheel carrier to be connected to vehicle frame.Wheelchair is provided with driving wheel Climbing building device and lifting auxiliary wheel mechanism.Climb building driving mechanism and comprise tooth circle, flexible tooth electric pushrod, flexible tooth, wheel hub adpting flange, off-centre operation, limiting plate and axle sleeve.Tooth circle is connected to the inner side of driving wheel hub by joint angle.Tooth circle is provided with telescopic hole, and flexible tooth is uniformly distributed and is arranged on tooth circle.Off-centre operation is arranged on the motor shaft of drive motors, by limiting plate and axle sleeve spacing.Flexible tooth electric pushrod is arranged on vehicle frame, and is connected with off-centre operation.The inner of flexible tooth contacts with off-centre operation, and flexible tooth is connected with wheel hub adpting flange by back-moving spring.Flexible auxiliary wheel mechanism comprises auxiliary wheel carrier, scissor angle adjustable frame, electric pushrod, lower guide rod, top guide bar and auxiliary wheel.Scissor angle adjustable frame top is connected with top guide bar, and bottom is connected with lower guide rod, and top guide bar is connected with vehicle frame, and lower guide rod is connected with auxiliary wheel carrier.Electric pushrod top is connected with top guide bar, and bottom is connected with lower guide rod.
Flexible auxiliary wheel mechanism is provided with upper limit plate and lower limiting board, and when ensureing that auxiliary wheel support stretches, the strong point is not eccentric.Driving wheel is left driving wheel and right driving wheel, and drive motors is left drive motors and right drive motors, and left drive motors is connected with left driving wheel, and right drive motors is connected with right driving wheel.Electric stairs-climbing wheelchair is provided with switch of inclination, and switch of inclination is arranged on vehicle frame.Have strip hole in off-centre operation, strip hole is horizontally disposed, makes off-centre operation under the promotion of electric pushrod along driving axis horizontal shifting.
Flexible tooth adopts scalable type structure, is climbing under building pattern, and flexible tooth is pushed away the outside extending driving wheel cylindrical and participates in driving, downstairs or under level road pattern being then recovered in driving wheel cylindrical.Same plane in tooth circle is provided with off-centre operation, and the cylindrical of off-centre operation is with the interior end in contact of flexible tooth and be connected with electric pushrod.Adopt electric push rod to drive, the scalable auxiliary wheel system controlled by switch of inclination, level time on stair-climbing wheel chair downstairs regulates automatically.Scissors pattern expansion bracket can either, by expansion bracket arrangement of mechanism in narrow space, can make again auxiliary wheel expansion bracket have larger stroke.
Two driving wheels respectively have a drive motors to drive respectively.Electric stairs-climbing wheelchair by wheelchair person Self-operating, also can be operated by other people.Electric stairs-climbing wheelchair is climbed except building function except having, and also uses as power-actuated walking-replacing tool as other common electric wheelchair at ordinary times.
Electric stairs-climbing wheelchair of the present invention is the driving wheel Climbing building device of primary structure by flexible tooth, driving wheel is enable to play the driving force that climbs better, drive stair-climbing wheel chair to complete and climb building operation, electric wheelchair is had and climbs building and the function travelled of normally riding instead of walk, solve old people or handicapped person travels alone the problem with stair activity, improve serviceability and the safety of electric stairs-climbing wheelchair.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric stairs-climbing wheelchair of the present invention;
Fig. 2 is that the A of Fig. 1 is to figure;
Fig. 3 is the driving wheel schematic diagram of electric stairs-climbing wheelchair;
Fig. 4 is the A-A figure of Fig. 3;
Fig. 5 is the structure chart of the scalable auxiliary wheel system of electric stairs-climbing wheelchair;
Fig. 6 is that the B of Fig. 5 is to figure.
Wherein:
1-flexible tooth electric pushrod, 2-deflecting roller controller, 3-switch of inclination, 4-controller, 5-left driving wheel, 6-left drive motors, 7-lifting auxiliary wheel mechanism, 8-right drive motors, 9-right driving wheel, 10-tire, 11-tooth circle, 12-deflecting roller, 13-flexible tooth, 14-off-centre operation, 15-drive motors axle, 16-joint angle, 17-back-moving spring, 18-wheel hub adpting flange, 19-3 auxiliary wheel carriers, 20-scissor angle adjustable frame, 21-electric pushrod, 22-lower guide rod, 23-auxiliary wheel, 24-vehicle frame, 25-top guide bar, 26-upper limit plate, 27-lower limiting board, 28-turn to wheel carrier, 29-backrest, 30-handrail, 31-limiting plate, 32-wheel hub, 33-axle sleeve.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail.Scope is not limited to embodiment, and those skilled in the art make any change and also belong to the scope of protection of the invention in the scope that claim limits.
Electric stairs-climbing wheelchair of the present invention as shown in Figure 1 and Figure 2, comprises vehicle frame 24, handrail 30, switch of inclination 3, left driving wheel 5, right driving wheel 9, left drive motors 6, right drive motors 8, deflecting roller 12, driving wheel Climbing building device, lifting auxiliary wheel mechanism 7 and deflecting roller controller 2.Drive motors is connected with driving wheel by drive mechanism, the front portion of deflecting roller by turning to wheel carrier 28 to be connected to vehicle frame.Left drive motors is connected with left driving wheel, and right drive motors is connected with right driving wheel.Switch of inclination is arranged on vehicle frame 24.As shown in Figure 3, Figure 4, climb building driving mechanism and comprise tooth circle 11, flexible tooth electric pushrod 1, flexible tooth 13, wheel hub adpting flange 18, off-centre operation 14, limiting plate 31 and axle sleeve 33.Tooth circle is connected to the inner side of driving wheel hub 32 by joint angle 16, and tooth circle is provided with telescopic hole, and 15 flexible teeth are distributed on tooth circle.Off-centre operation is arranged on the motor shaft 15 of drive motors, by limiting plate 31 and axle sleeve 33 spacing.Flexible tooth electric pushrod is arranged on vehicle frame, and connects with off-centre operation, the inner of flexible tooth contacts with off-centre operation, the tooth that stretches is connected with wheel hub adpting flange 18 by back-moving spring 17.As shown in Figure 5, Figure 6, flexible auxiliary wheel mechanism comprises auxiliary wheel carrier 19, scissor angle adjustable frame 20, electric pushrod 21, lower guide rod 22, top guide bar 25 and auxiliary wheel 23.Scissor angle adjustable frame top is connected with top guide bar, and bottom is connected with lower guide rod, and top guide bar is connected with vehicle frame, and lower guide rod is connected with auxiliary wheel carrier.Electric pushrod top is connected with top guide bar, and bottom is connected with lower guide rod.Flexible auxiliary wheel mechanism is provided with upper limit plate 26 and lower limiting board 27, and when ensureing that auxiliary wheel support stretches, the strong point is not eccentric.
Flexible tooth adopts scalable type structure, is climbing under building pattern, and flexible tooth is pushed away the outside of stretching driving wheel cylindrical and participates in driving, downstairs or under level road pattern being then recovered in driving wheel cylindrical.Tooth circle is placed in the inner side of wheel, and is connected with wheel hub by joint angle.Tooth circle radial equipartition has square hole, and flexible tooth is arranged in square hole.Tooth circle rotates with wheel with flexible tooth.Same plane in tooth circle is provided with off-centre operation, and the cylindrical of off-centre operation is with the interior end in contact of flexible tooth and be connected with electric pushrod.Have strip hole in off-centre operation, strip hole is horizontally disposed, makes off-centre operation under the promotion of electric pushrod along driving axis horizontal shifting.Electric stairs-climbing wheelchair adopts electric push rod to drive, and controls scalable auxiliary wheel system by switch of inclination, automatically regulates level when stair-climbing wheel chair is gone downstairs.Scissors pattern expansion bracket can either, by expansion bracket arrangement of mechanism in narrow space, can make again auxiliary wheel expansion bracket have larger stroke.
Electric stairs-climbing wheelchair of the present invention has three kinds of mode of operations, namely level road pattern, climb building pattern and downstairs pattern.(1), time upstairs, by electric stairs-climbing wheelchair stair selected climb building pattern dorsad, by flexible tooth push rod flexible tooth be pushed into the outside of driving wheel outer ring backward and rotate with driving wheel.When driving wheel rotates backward, flexible tooth is overlapped on the upper plane of stairway step, drives stair-climbing wheel chair to move upward.While stair-climbing wheel chair moves upward, switch of inclination 3, according to the electric pushrod 21 on the tilt adjustment contracting auxiliary wheel 23 of wheelchair, pushes away (or drawing) dynamic scissor angle adjustable frame 20, makes stair-climbing wheel chair be in level all the time.User only need be completed by operation control 4 and climb building operation.(2) selected pattern downstairs time downstairs, time downstairs, stair-climbing wheel chair will with downstairs direction be consistent.Under the pattern of going downstairs, driving wheel does not need flexible tooth to drive, and flexible tooth is placed in the inside of driving wheel outer ring.Only have the angled state according to wheelchair, regulate electric pushrod 21 to push away at any time by switch of inclination 3, (or drawing) moves scissor angle adjustable frame, makes stair-climbing wheel chair be in level.Wheelchair user only need manipulate controller can complete operation downstairs.(3), when arriving landing and needing turn to or travel on level road, stair-climbing wheel chair is set as level road pattern, stretch during level road pattern tooth and auxiliary wheel expansion bracket are packed up, and no longer participate in work.Then this electric stairs-climbing wheelchair is the same with other electric wheelchair carries out operation and uses, namely by operation control 4, and various operations such as electric stairs-climbing wheelchair being advanced, retreat or turns to.
Claims (5)
1. an electric stairs-climbing wheelchair, comprise vehicle frame (24), handrail (30), driving wheel, drive motors, deflecting roller (12) and deflecting roller controller (2), described drive motors is connected with driving wheel by drive mechanism, the front portion of described deflecting roller by turning to wheel carrier (28) to be connected to vehicle frame; It is characterized in that: described wheelchair is provided with driving wheel Climbing building device and lifting auxiliary wheel mechanism (7); Described building driving mechanism of climbing comprises tooth circle (11), flexible tooth electric pushrod (1), flexible tooth (13), wheel hub adpting flange (18), off-centre operation (14), limiting plate (31) and axle sleeve (33); Described tooth circle is connected to the inner side of driving wheel hub (32) by joint angle (16); Tooth circle is provided with telescopic hole, and described telescopic hole is evenly distributed on tooth circle; Off-centre operation is arranged on the motor shaft (15) of drive motors, by limiting plate (31) and axle sleeve (33) spacing; Described flexible tooth electric pushrod is arranged on vehicle frame, and is connected with off-centre operation; The inner of described flexible tooth contacts with off-centre operation, and flexible tooth is connected with wheel hub adpting flange by back-moving spring (17); Described flexible auxiliary wheel mechanism comprises auxiliary wheel carrier (19), scissor angle adjustable frame (20), electric pushrod (21), lower guide rod (22), top guide bar (25) and auxiliary wheel (23); Described scissor angle adjustable frame top is connected with top guide bar, and bottom is connected with lower guide rod; Described top guide bar is connected with vehicle frame, and lower guide rod is connected with auxiliary wheel carrier; Described electric pushrod top is connected with top guide bar, and bottom is connected with lower guide rod.
2. electric stairs-climbing wheelchair according to claim 1, is characterized in that: described flexible auxiliary wheel mechanism is provided with upper limit plate (26) and lower limiting board (27).
3. electric stairs-climbing wheelchair according to claim 1, it is characterized in that: described driving wheel is left driving wheel (5) and right driving wheel (9), described drive motors is left drive motors (6) and right drive motors (8), left drive motors is connected with left driving wheel, and right drive motors is connected with right driving wheel.
4. electric stairs-climbing wheelchair according to claim 1, is characterized in that: described wheelchair is provided with switch of inclination (3), and described switch of inclination is arranged on vehicle frame (24).
5. electric stairs-climbing wheelchair according to claim 1, is characterized in that: described off-centre operation is provided with strip hole in (14), and strip hole is horizontally disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966200.7A CN105434121B (en) | 2015-12-22 | 2015-12-22 | Electric stair climbing wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966200.7A CN105434121B (en) | 2015-12-22 | 2015-12-22 | Electric stair climbing wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105434121A true CN105434121A (en) | 2016-03-30 |
| CN105434121B CN105434121B (en) | 2017-05-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510966200.7A Active CN105434121B (en) | 2015-12-22 | 2015-12-22 | Electric stair climbing wheelchair |
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| CN (1) | CN105434121B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260425A (en) * | 2017-06-14 | 2017-10-20 | 中国地质大学（武汉） | Manual stair-climbing wheel chair |
| CN109124910A (en) * | 2018-09-20 | 2019-01-04 | 佛山科学技术学院 | A kind of damped wheelchair |
| CN110236810A (en) * | 2019-06-17 | 2019-09-17 | 南京林业大学 | An electric wheelchair convenient for overcoming obstacles |
| CN112744281A (en) * | 2019-10-31 | 2021-05-04 | 张效琪 | Electric baby carriage and baby carriage with elastic main wheel provided with crawler-type front guide wheel and rear auxiliary wheel and capable of being mounted on bus |
| CN112754793A (en) * | 2021-02-06 | 2021-05-07 | 武汉科技大学 | Novel electric wheelchair |
| CN112842721A (en) * | 2021-01-06 | 2021-05-28 | 何经健 | Electric wheelchair convenient for going upstairs and downstairs |
| CN112874676A (en) * | 2021-02-04 | 2021-06-01 | 安徽小龙仔儿童用品有限公司 | Rollover-prevention children's carriage and using method thereof |
| CN113397847A (en) * | 2021-06-15 | 2021-09-17 | 上海工程技术大学 | Auxiliary wheelchair obstacle crossing device and obstacle crossing wheelchair |
| US12048656B2 (en) | 2020-07-30 | 2024-07-30 | Toyota Motor North America, Inc. | Support devices including movable segments and methods for operating the same |
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| US20060185911A1 (en) * | 2005-02-22 | 2006-08-24 | Gamma Two, Inc. | Stair climbing platform apparatus and method |
| CN201179156Y (en) * | 2007-12-26 | 2009-01-14 | 长春市东方票证印务有限责任公司 | Electric wheelchair capable of automatically walking up and down the stairs |
| WO2013045719A1 (en) * | 2011-09-28 | 2013-04-04 | Piqueras Ceballos Daniel | Mechanism for lifting vehicles up stairs |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260425A (en) * | 2017-06-14 | 2017-10-20 | 中国地质大学（武汉） | Manual stair-climbing wheel chair |
| CN109124910B (en) * | 2018-09-20 | 2023-01-24 | 佛山科学技术学院 | A shock-absorbing wheelchair |
| CN109124910A (en) * | 2018-09-20 | 2019-01-04 | 佛山科学技术学院 | A kind of damped wheelchair |
| CN110236810A (en) * | 2019-06-17 | 2019-09-17 | 南京林业大学 | An electric wheelchair convenient for overcoming obstacles |
| CN110236810B (en) * | 2019-06-17 | 2020-09-04 | 南京林业大学 | Electric wheelchair convenient to hinder more |
| CN112744281A (en) * | 2019-10-31 | 2021-05-04 | 张效琪 | Electric baby carriage and baby carriage with elastic main wheel provided with crawler-type front guide wheel and rear auxiliary wheel and capable of being mounted on bus |
| US12048656B2 (en) | 2020-07-30 | 2024-07-30 | Toyota Motor North America, Inc. | Support devices including movable segments and methods for operating the same |
| CN112842721A (en) * | 2021-01-06 | 2021-05-28 | 何经健 | Electric wheelchair convenient for going upstairs and downstairs |
| CN112842721B (en) * | 2021-01-06 | 2023-02-03 | 中山市康政医疗器材有限公司 | Electric wheelchair convenient for going upstairs and downstairs |
| CN112874676B (en) * | 2021-02-04 | 2022-02-01 | 安徽小龙仔儿童用品有限公司 | Rollover-prevention children's carriage and using method thereof |
| CN112874676A (en) * | 2021-02-04 | 2021-06-01 | 安徽小龙仔儿童用品有限公司 | Rollover-prevention children's carriage and using method thereof |
| CN112754793A (en) * | 2021-02-06 | 2021-05-07 | 武汉科技大学 | Novel electric wheelchair |
| CN113397847A (en) * | 2021-06-15 | 2021-09-17 | 上海工程技术大学 | Auxiliary wheelchair obstacle crossing device and obstacle crossing wheelchair |
| CN113397847B (en) * | 2021-06-15 | 2022-12-16 | 上海工程技术大学 | Auxiliary wheelchair obstacle crossing device and obstacle crossing wheelchair |
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| CN105434121B (en) | 2017-05-17 |
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Effective date of registration: 20210319 Address after: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing Patentee after: Li Qiannan Address before: 050006 no.182-4-3-502, Yuhua West Road, Shijiazhuang City, Hebei Province Patentee before: Jiao Jianmin |
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Effective date of registration: 20210929 Address after: 212000 no.297, Chuqiao Road, Dingmao, New District, Zhenjiang City, Jiangsu Province Patentee after: ZHENJIANG ASSURE MEDICAL EQUIPMENT Co.,Ltd. Address before: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing Patentee before: Li Qiannan |