CN103027805A - Road-staircase dual-purpose wheelchair - Google Patents
Road-staircase dual-purpose wheelchair Download PDFInfo
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- CN103027805A CN103027805A CN2012105900750A CN201210590075A CN103027805A CN 103027805 A CN103027805 A CN 103027805A CN 2012105900750 A CN2012105900750 A CN 2012105900750A CN 201210590075 A CN201210590075 A CN 201210590075A CN 103027805 A CN103027805 A CN 103027805A
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Abstract
The invention discloses a road-staircase dual-purpose wheelchair, which can be operated by a rider optionally, can be driven on roads and can be driven to go upstairs and downstairs. The road-staircase dual-purpose wheelchair comprises a chair frame, wheels, universal wheels, a crawler attachment, a wheel driving motor and a crawler driving motor, wherein the back end of the chair frame is hinged with the crawler frame; a chair seat support rod is arranged between the chair seat and the crawler frame; an included angle between the chair seat and a crawler is changed through the extension and retraction of the chair seat support rod; wheels on both sides are movably connected with the chair frame through an omega-like crankshaft; and a crankshaft rotation driving device is arranged. When the wheelchair is driven on level roads, the crawler is suspended; and when the wheelchair is driven to go upstairs and downstairs, the crawler is landed and the wheels are suspended.
Description
Technical field
The invention belongs to a kind of wheelchair, concrete is a kind of both can road traveling also can electronic control stair activity wheelchair.
Background technology
The people with disability of One's name is legion and old people need take wheelchair because of physical handicap or disease and go out.When they live in the building that does not have electric elevator installation, the upper especially large difficulty of going downstairs.Also there is not at present the satisfied wheelchair of a kind of performance to satisfy simultaneously flat pavement running and climb the building needs.
It is of a great variety to have the wheelchair that is suitable for flat pavement running now.Self-aiding type wheelchair is wherein advanced by the occupant is hand, and its gait of march and range of activity are very limited, and the nursing type wheelchair need take a Healthy People and accompany.For solving the problem of wheelchair stair activity, the multiple aids such as stairs-mover of carrying wheelchair and wheelchair occupant stair activity have appearred on the market.Need the people to try hard to recommend, draw when going downstairs on the existing wheeled stair-climbing wheel chair of five-pointed star commonly used, its poor stability, safety coefficient is low; The track type climbing-building wheelchair is large, and not only cost is high and heavy, also needs trained nursing staff's operation.These are climbed the building instrument and usually can only use when stair activity, although the short distance of can doing that has is slowly moved, actual do not have the function of flat pavement running, lacks especially motility.
Summary of the invention
The object of the present invention is to provide a kind of instrument of taking that has electric wheelchair and electric cart for going-up stairs function concurrently, be called road ladder dual-purpose wheelchair.For lower limb disability, the occupant that upper limb is intact can help without other people, handles voluntarily that travel in the level land and stair activity.
Road of the present invention ladder dual-purpose wheelchair is provided with chair frame, chair wheel and universal wheel as existing wheelchair.Described chair frame comprises seat support, handrail, backrest and pedal.
Road of the present invention ladder dual-purpose wheelchair arranges chair wheel drive motor and the combination of chair wheel, drives the chair wheel, and wheelchair is advanced.
Road of the present invention ladder dual-purpose wheelchair arranges crawler attachment below chair frame, and the track drive motor-driven caterpillar tracks is set.The main body of crawler attachment is crawler rack.Crawler rack is overlooked shape, side-looking such as hockey clavate such as " H ".Be equivalent to the two perpendicular crawler belts of installing respectively of " H " shape, crawler rack is provided with a plurality of positioning support wheels, can be with the crawler belt engagement.Be equivalent to " H " shape two perpendicular between laterally the position crawler haulage axle and track drive motor are set.At crawler haulage axle two ends a crawler driving whell is set respectively, the track drive motor is connected with crawler haulage by crawler haulage axle, crawler driving whell.Crawler driving whell and crawler belt are provided with projection and the groove that is complementary, can interlock.
Chair frame rear end and track frame are hinged, and the chair frame front end can be around the hinge point rotation of rear end; Between seat support and track frame, be provided with the chair base supporting bar.The chair base supporting bar is telescopic structure, driven by power.The flexible convertible seat support of chair base supporting bar and the angle between the crawler belt.
Both sides chair wheel is flexibly connected by bent axle and chair frame, and bent axle is "Ji" type, and is provided with the crankshaft rotating driving device.
Chair wheel drive motor, track drive motor, crankshaft rotating driving device are by controller and power supply control connection.
Downstairs, during climb and fall, the chair base supporting bar is regulated the angle between seat support and the crawler belt, makes seat support remain the substantially position of level.During because of the adjusting lifting of chair base supporting bar, universal wheel is with seat support one lifting at seat support.
Both sides chair wheel is flexibly connected by bent axle and chair frame.Bent axle is "Ji" type.The "Ji" type bent axle is provided with the crankshaft rotating driving device.Rotate by bent axle, regulate front and back position and the height of chair wheel.When chair wheel is adjusted to the higher position, universal wheel also by chair base supporting bar telescopic adjustment to the higher position, crawler belt lands, chair wheel and universal wheel are unsettled, enter the crawler belt operational mode, use when stair activity and leap road obstacle; When chair wheel and universal wheel were adjusted to lower position, chair wheel and universal wheel landed, and crawler belt is unsettled, enters chair and takes turns operational mode, is suitable for the level land and advances.Road of the present invention ladder dual-purpose wheelchair travel direction can be advanced, and can retreat.Downstairs the time, adopt the crawler belt progression, upstairs the time, adopt the crawler belt fallback mode.
Under the crawler belt operational mode, when running into following two kinds of situations, place the back lower place to play a supportive role on the chair wheel, tumble backward to prevent wheelchair: when 1. downstairs preparing on doing, wheelchair also on platform, rotate backward by chair frame, move after the wheelchair center of gravity, the chair wheel is supported in the back lower place; 2. downstairs proceed to when changing platform over to by the slope upper, move after the wheelchair center of gravity, the chair wheel is supported in the back lower place.
Can there be two kinds of selections at the position of chair wheel drive motor installing: the one, be installed on two plumbing arms of "Ji" type bent axle; The 2nd, be installed in the central authorities that chair is taken turns.
Chair wheel drive motor, track drive motor, crankshaft rotating driving device are by controller and power supply control connection.
The embodiment that the present invention further improves and replenishes:
The chair wheel of road of the present invention ladder dual-purpose wheelchair can adopt the little chair wheel as the nursing type wheelchair, is suitable for driven by power; Chair wheel also can adopt the large chair wheel as Self-aiding type wheelchair, both can driven by power, and also can be by the hand promotion of occupant.When selecting large chair wheel, can be used for being chosen under the chair wheel driving mode at manual, the electronic switching handle of chair wheel drive motor installing, be electronicly to advance or manually advance.
In crawler attachment, the basic function that a track drive motor can have been realized the crawler belt operation is set.As optimization, two track drive motors are set in crawler attachment, drive respectively the both sides crawler belt, can make both sides crawler belt variable-speed motion, realize the wheelchair turning, turn around.
The crankshaft rotating driving device can adopt a kind of in " motor-gear combination " or " pitman arm-electronic tie rod combination " two kinds of forms.
As optimization, the overturn-preventing cramp bar is set below the chair frame of wheelchair, the overturn-preventing cramp bar is telescopic structure, can be designed to that it is flexible by driven by power.Overturn-preventing cramp bar far-end is equiped with pulley.Wheelchair overturn-preventing cramp bar when flat pavement running is in retracted mode, stretches out downstairs, during climb and fall, points to the chair frame back lower place, supports ground when wheelchair backs tilt to certain angle, prevents that wheelchair from tumbling backward.Move the chair wheel after this overturn-preventing cramp bar function is alternative and support the function that wheelchair is prevented tipping backwards, but also the two collaborative use.
Road of the present invention ladder dual-purpose type wheelchair is transferred to lower limb disability, and the occupant that upper limb is intact uses, and can help without other people, handles voluntarily that travel in the level land and stair activity, has higher motility and reliably safety.
Description of drawings
Fig. 1 is ladder dual-purpose type wheelchair back, road of the present invention structural representation;
Fig. 2 is that wheelchair of the present invention is at level land transport condition downside structural representation;
Fig. 3 is that wheelchair of the present invention is at stair climbing state downside structural representation;
Fig. 4 is first example structure sketch map of crawler attachment of the present invention;
Fig. 5 is second example structure sketch map of crawler attachment of the present invention;
Fig. 6 is the 3rd example structure sketch map of crawler attachment of the present invention;
Fig. 7 is crawler attachment side-looking structural representation of the present invention.
The parts that number in the figure is represented or position are: 1-chair wheel; 2-chair wheel drive motor; 3-crawler belt positioning support wheel; 4-crawler belt; 5-crawler driving whell; 6-track drive motor; 8-chair base supporting bar; 9-chair frame and track frame hinge point; 10-chair frame; 11-bent axle push-pull bar.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples:
As shown in Figure 1, 2, 3, the terraced dual-purpose wheelchair in road of the present invention is provided with chair frame 10, chair wheel 1, universal wheel and crawler attachment.Chair frame 10 comprises seat support, handrail, backrest and pedal, chair frame 10 rear ends and track frame hinged 9.Chair frame 10 front ends can be around hinge point 9 rotations of rear end, the angle between conversion seat support and the crawler belt; Chair frame front end below is provided with universal wheel.
Two chairs wheel is arranged at respectively the seat support both sides, the illustrated embodiment installing is as the large chair wheel 1 of Self-aiding type wheelchair, and at manual, the electronic switching handle of chair wheel drive motor 2 installing, under chair wheel driving mode, can be selected by the occupant is electronicly to advance or manually advance.Seat support front end down either side is respectively established a universal wheel.
Be provided with chair base supporting bar 8 between chair frame 10 and the track frame.Chair base supporting bar 8 is telescopic structure, driven by power.Chair base supporting bar 8 is regulated the angle between seat supports and the crawler belt, uses downstairs, during climb and fall, makes seat support remain the position of cardinal principle level.Universal wheel is fixedly connected with seat support, with seat support one lifting.Chair base supporting bar 8 can be installed one, supports whole chair frame, and chair base supporting bar 8 can be installed two, lays respectively at the both sides of seat support, makes supporting functions more stable.
As shown in Figure 1, 2, 3, crawler attachment is arranged at the bottom of chair frame 10, is flexibly connected with chair frame by hinge 9, electric expansion bar 8.
Shown in Fig. 4,5,6, crawler rack is overlooked the shape into " H "; As shown in Figure 7, crawler rack side-looking such as hockey clavate.At the two perpendicular crawler belts 4 of installing respectively that are equivalent to " H " shape, crawler rack is provided with a plurality of crawler belt positioning support wheels 3, can be with crawler belt 4 engagements; Horizontal installing crawler haulage axle and a track drive motor 6 that is equivalent to " H " shape; Two ends at the crawler haulage axle, a horizontal stroke that is equivalent to " H " shape respectively arranges a crawler driving whell 5 with two perpendicular intersections, and track drive motor 6 is in transmission connection with crawler belt 4 by crawler haulage axle, crawler driving whell 5; Crawler driving whell 5 and crawler belt 4 are provided with projection and the groove that is complementary, can interlock.Fig. 4,5,6 has shown that also track drive motor 6 can arrange one or two, and the position of setting can near the crawler belt rear portion, also can be arranged near crawler belt anterior.Wherein embodiment illustrated in fig. 4 is a motor, near the crawler belt rear portion; Embodiment illustrated in fig. 5 is that two motors are arranged on the track frame rear end, adds horizontal buttress brace at the track frame middle part; Embodiment illustrated in fig. 6 is that two motors are arranged on the track frame front end, adds horizontal buttress brace at the track frame middle part.
Described chair wheel drive motor 2, track drive motor 6, crankshaft rotating driving device 11 are by controller and power supply control connection.
Claims (10)
1. road ladder dual-purpose wheelchair, its structure comprises chair frame, chair wheel, universal wheel, described chair frame comprises seat support, handrail, backrest and pedal, it is characterized in that, chair wheel drive motor-driven chair wheel is set; Crawler attachment is set below chair frame, and the track drive motor-driven caterpillar tracks is set; Chair frame rear end and track frame are hinged, and the chair frame front end can be around the hinge point rotation of rear end; Between seat support and track frame, be provided with the chair base supporting bar, the stretching seat support of chair base supporting bar and the angle between the crawler belt; Both sides chair wheel is flexibly connected by bent axle and chair frame, and bent axle is "Ji" type, and is provided with the crankshaft rotating driving device; Chair wheel drive motor, track drive motor, crankshaft rotating driving device are by controller and power supply control connection.
2. the terraced dual-purpose wheelchair in road according to claim 1 is characterized in that, described chair wheel adopts the large chair wheel as Self-aiding type wheelchair, and at manual, the electronic switching handle of chair wheel drive motor installing.
3. the terraced dual-purpose wheelchair in road according to claim 1 is characterized in that the main body of described crawler attachment is crawler rack, and crawler rack is overlooked the shape such as " H ", side-looking such as hockey clavate; Be equivalent to the two perpendicular crawler belts of installing respectively of " H " shape, crawler rack is provided with a plurality of positioning support wheels, can be with the crawler belt engagement; Be equivalent to " H " shape two perpendicular between horizontally set crawler haulage axle and track drive motor; At crawler haulage axle two ends a crawler driving whell is set respectively, the track drive motor is connected with crawler haulage by crawler haulage axle, crawler driving whell; Crawler driving whell and crawler belt are provided with projection and the groove that is complementary, can interlock; Crawler attachment is flexibly connected by hinge, chair base supporting bar and chair frame.
4. the terraced dual-purpose wheelchair in road according to claim 3 is characterized in that described track drive motor is two motors, drives respectively the both sides crawler belt.
5. the terraced dual-purpose wheelchair in road according to claim 1 is characterized in that described crankshaft rotating driving device is " motor-gear combination " structure.
6. the terraced dual-purpose wheelchair in road according to claim 1 is characterized in that, described crankshaft rotating driving device is " pitman arm-electronic tie rod combination " structure.
7. the terraced dual-purpose wheelchair in road according to claim 1 is characterized in that chair wheel drive motor is installed on two plumbing arms of "Ji" type bent axle.
8. the terraced dual-purpose wheelchair in road according to claim 1 is characterized in that, chair wheel drive motor is installed in chair wheel central authorities.
9. the terraced dual-purpose wheelchair in road according to claim 1 is characterized in that the overturn-preventing cramp bar is set, and it is telescopic structure below chair frame, stretches out the rear sensing chair frame back lower place, and far-end is equiped with pulley.
10. the terraced dual-purpose wheelchair in road according to claim 9 is characterized in that, it stretches described overturn-preventing cramp bar by driven by power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105900750A CN103027805A (en) | 2012-12-31 | 2012-12-31 | Road-staircase dual-purpose wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105900750A CN103027805A (en) | 2012-12-31 | 2012-12-31 | Road-staircase dual-purpose wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103027805A true CN103027805A (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105900750A Pending CN103027805A (en) | 2012-12-31 | 2012-12-31 | Road-staircase dual-purpose wheelchair |
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| CN (1) | CN103027805A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104546328A (en) * | 2015-02-02 | 2015-04-29 | 北京互邦之家爬楼车技术开发有限公司 | Backrest and footrest swingable electric dual-mode stair-climbing wheelchair |
| CN104814843A (en) * | 2015-05-06 | 2015-08-05 | 上海电机学院 | Multifunctional free chair |
| CN104970931A (en) * | 2015-06-19 | 2015-10-14 | 邵胜昌 | Multifunctional electric wheelchair |
| CN105877938A (en) * | 2014-11-24 | 2016-08-24 | 周广刚 | Antiskid device for electric stair climbing wheelchair |
| CN107374846A (en) * | 2017-07-25 | 2017-11-24 | 徐秀芳 | A kind of stair climbing wheelchair |
| CN107773359A (en) * | 2016-08-30 | 2018-03-09 | 李治中 | Barrier free wheelchair car |
| CN108186217A (en) * | 2018-01-25 | 2018-06-22 | 鱼台众邦智能科技有限公司 | Clambing wheel chair above and below self-driving |
| CN109394435A (en) * | 2018-10-22 | 2019-03-01 | 安徽医科大学第附属医院 | A kind of medical treatment and nursing stretcher |
| CN112914863A (en) * | 2021-02-28 | 2021-06-08 | 陈娇 | Step climbing shifting device and wheelchair using same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401178A (en) * | 1980-09-19 | 1983-08-30 | Stair Aid Corporation Of North America | Wheelchair carrier |
| DE3328807A1 (en) * | 1983-08-10 | 1985-02-21 | Kleindienst GmbH, 8900 Augsburg | Travel device for moving a load carrier over steps |
| CN1424007A (en) * | 2001-12-12 | 2003-06-18 | 徐树光 | Obstacleless wheel chair |
| CN1720886A (en) * | 2004-07-12 | 2006-01-18 | 日本三和公司 | Stair-climbing wheelchair carrier |
| CN203060101U (en) * | 2012-12-31 | 2013-07-17 | 北京互邦之家爬楼车技术开发有限公司 | Road-stair dual-purpose wheel chair |
-
2012
- 2012-12-31 CN CN2012105900750A patent/CN103027805A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401178A (en) * | 1980-09-19 | 1983-08-30 | Stair Aid Corporation Of North America | Wheelchair carrier |
| DE3328807A1 (en) * | 1983-08-10 | 1985-02-21 | Kleindienst GmbH, 8900 Augsburg | Travel device for moving a load carrier over steps |
| CN1424007A (en) * | 2001-12-12 | 2003-06-18 | 徐树光 | Obstacleless wheel chair |
| CN1720886A (en) * | 2004-07-12 | 2006-01-18 | 日本三和公司 | Stair-climbing wheelchair carrier |
| CN203060101U (en) * | 2012-12-31 | 2013-07-17 | 北京互邦之家爬楼车技术开发有限公司 | Road-stair dual-purpose wheel chair |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877938A (en) * | 2014-11-24 | 2016-08-24 | 周广刚 | Antiskid device for electric stair climbing wheelchair |
| CN104546328A (en) * | 2015-02-02 | 2015-04-29 | 北京互邦之家爬楼车技术开发有限公司 | Backrest and footrest swingable electric dual-mode stair-climbing wheelchair |
| CN104814843A (en) * | 2015-05-06 | 2015-08-05 | 上海电机学院 | Multifunctional free chair |
| CN104970931A (en) * | 2015-06-19 | 2015-10-14 | 邵胜昌 | Multifunctional electric wheelchair |
| CN107773359A (en) * | 2016-08-30 | 2018-03-09 | 李治中 | Barrier free wheelchair car |
| CN107773359B (en) * | 2016-08-30 | 2019-08-13 | 李治中 | Barrier free wheelchair vehicle |
| CN107374846A (en) * | 2017-07-25 | 2017-11-24 | 徐秀芳 | A kind of stair climbing wheelchair |
| CN108186217A (en) * | 2018-01-25 | 2018-06-22 | 鱼台众邦智能科技有限公司 | Clambing wheel chair above and below self-driving |
| CN108186217B (en) * | 2018-01-25 | 2020-05-08 | 鱼台众邦智能科技有限公司 | Self-driving wheelchair for going upstairs and downstairs |
| CN109394435A (en) * | 2018-10-22 | 2019-03-01 | 安徽医科大学第附属医院 | A kind of medical treatment and nursing stretcher |
| CN112914863A (en) * | 2021-02-28 | 2021-06-08 | 陈娇 | Step climbing shifting device and wheelchair using same |
| CN112914863B (en) * | 2021-02-28 | 2023-02-21 | 青岛大学附属医院 | Step climbing shifting device and wheelchair using same |
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Application publication date: 20130410 |