CN102204858A - Stair-climbing wheelchair - Google Patents
Stair-climbing wheelchair Download PDFInfo
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- CN102204858A CN102204858A CN2011101402959A CN201110140295A CN102204858A CN 102204858 A CN102204858 A CN 102204858A CN 2011101402959 A CN2011101402959 A CN 2011101402959A CN 201110140295 A CN201110140295 A CN 201110140295A CN 102204858 A CN102204858 A CN 102204858A
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- wheel
- sprocket
- support frame
- stair
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Abstract
The invention relates to a stair-climbing wheelchair which comprises a seat, power wheels and a supporting frame, wherein the seat is arranged above the supporting frame and supported by the supporting frame, and the power wheels are respectively arranged at the rear parts of the two sides of the seat; meanwhile, the stair-climbing wheelchair also comprises rocking levers respectively arranged the two sides of the seat, a chain wheel drive device, a crawler-type bearing wheels, a worm wheel and a worm, wherein the worm is meshed with the worm wheel; the base end of the worm is connected with the chain wheel drive device arranged on the supporting frame; the worm wheel is connected with the power wheels by virtue of the worm so as to adjust the steering angles of the power wheels; one end of the crawler-type bearing wheel is fixedly connected with the chain wheel drive device, the crawler-type bearing wheel is connected with the front end of the supporting frame and the power wheels by virtue of a crawler, and belt wheels are respectively arranged at the joint of the crawler and the supporting frame and the joints of the crawler and the power wheels. By using the stair-climbing wheelchair provided by the invention, the problem that people suffering lower limb disabilities or incapable of walking normally duo to injuries are difficult to carry out daily travel and walk up and down the stairs can be solved; the stair-climbing wheelchair is simple and reasonable in structure and low in cost; and because of being driven by human power, the wheelchair is energy-saving and environmentally-friendly.
Description
Technical field
The present invention relates to a kind of be applicable to lower limb disability or because of injured can not normal row walk the crowd climb the building wheelchair.
Background technology
Along with the development in city, increasing stair are applied in the daily life, and for the wheelchair user, various stair become their active obstacle.Have on the market at present much and invent at the design of stair-climbing wheel chair, it is mainly gone downstairs to realize going up of wheelchair by changing traditional structure, or wheelchair is designed to stair climbing robot to realize going up downstairs of wheelchair.Yet, the product of prior art manufacturing, its complex structure, cost is higher, fetch long price, common wheelchair user is difficult for accepting.
Summary of the invention
Technical problem to be solved by this invention provide a kind of simple and reasonable, cost is lower, be applicable to lower limb disability or because of the injured general population's that can not normally walk stair-climbing wheel chair, to overcome above-mentioned described deficiency in the prior art.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of stair-climbing wheel chair, it comprises seat, power wheel and bracing frame, described seat is positioned at the bracing frame top and is supported by support frame as described above, described power wheel lays respectively at the rear portion of seat both sides, also comprise the rocking bar, sprocket transmission device, the crawler belt that lay respectively at the seat both sides accept wheel, worm gear and with described worm gear engaged worm.The cardinal extremity of described rocking bar all is connected with the described sprocket transmission device that is installed on the bracing frame.Described worm gear is connected the steering angle of regulating power wheel by worm screw with described power wheel.Described crawler belt is accepted wheel one end and is fixedlyed connected with described sprocket transmission device, and crawler belt is accepted front end and the described power wheel of wheel by crawler belt connection support frame as described above, and the junction that is positioned at crawler belt and support frame as described above and power wheel is respectively equipped with belt wheel.
Further, described sprocket transmission device comprises first sprocket wheel, second sprocket wheel, the 3rd sprocket wheel, the 4th sprocket wheel and the 5th sprocket wheel, wherein first sprocket wheel is installed in the cardinal extremity of rocking bar, first sprocket wheel links second sprocket wheel by chain, described second sprocket wheel and the 3rd sprocket wheel are fixed on the same sprocket shaft, the 3rd sprocket wheel links the 4th sprocket wheel by chain, described the 4th sprocket wheel constitutes by two sprocket wheels are fixedly connected, the 4th sprocket wheel links described the 5th sprocket wheel by chain, and an end of the 5th sprocket wheel is accepted to take turns with described crawler belt and fixedlyed connected.
Further, support frame as described above comprises upper support frame and lower support frame, and wherein, described upper support frame is positioned at seat bottom anterior position, and the upper support frame bottom is provided with a pedal.
Further, be positioned at lower support frame forefront position and be provided with a directive wheel.
Further, described belt wheel is installed on the lower support frame, is connected to idle pulley on the described lower support frame being provided with an end between the crawler belt.
Further, the both sides of described seat also are provided with the power wheel lifting handle, and this power wheel lifting handle is connected the lifting of regulating power wheel by a bevel gear with described worm screw.The rear portion of the backrest both sides of described seat is equipped with pushing hands.
Beneficial effect of the present invention is: simple and reasonable, cost is lower, and power is driven thereby energy-conserving and environment-protective by manpower, is applicable to polytype stair.The steering angle of power wheel and worm and gear fit adjustment power wheel makes the wheelchair user feel more comfortable, and then makes on the wheelchair and downstairs be more prone to.The utilization of caterpillar belt structure has reduced the center of gravity of climbing user in the building process, has increased the safety of wheelchair.
Description of drawings
Fig. 1 is a structural representation of the present invention.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, seat, 2, power wheel, 3, rocking bar, 4, sprocket transmission device, 5, crawler belt accepts wheel, 6, worm gear, 7, worm screw, 8, crawler belt, 9, belt wheel, 10, upper support frame, 11, the lower support frame, 12, pedal, 13, directive wheel, 14, idle pulley, 15, the power wheel lifting handle, 16, bevel gear, 17, pushing hands.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present invention and feature are described in detail, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
As shown in Figure 1, the described stair-climbing wheel chair of the embodiment of the invention, comprise seat 1, power wheel 2 and bracing frame, described seat 1 is positioned at the bracing frame top and is supported by support frame as described above, described power wheel 2 lays respectively at the rear portion of seat 1 both sides, also comprise the rocking bar 3, sprocket transmission device 4, the crawler belt that lay respectively at seat 1 both sides accept the wheel 5, worm gear 6 and with described worm gear 6 engaged worm 7.The cardinal extremity of described rocking bar 3 all is connected with the described sprocket transmission device 4 that is installed on the bracing frame.Described worm gear 6 is connected the steering angle of regulating power wheel 2 by worm screw 7 with described power wheel 2.Described crawler belt is accepted wheel 5 one ends and is fixedlyed connected with described sprocket transmission device 4, and crawler belt is accepted wheel 5 and connected the front end and the described power wheels 2 of support frames as described above by crawler belt 8, and the junction that is positioned at crawler belt 8 and support frame as described above and power wheel 2 is respectively equipped with belt wheel 9.
Wherein, described sprocket transmission device 4 comprises first sprocket wheel, second sprocket wheel, the 3rd sprocket wheel, the 4th sprocket wheel and the 5th sprocket wheel, wherein first sprocket wheel is installed in the cardinal extremity of rocking bar, first sprocket wheel links second sprocket wheel by chain, described second sprocket wheel and the 3rd sprocket wheel are fixed on the same sprocket shaft, the 3rd sprocket wheel links the 4th sprocket wheel by chain, described the 4th sprocket wheel constitutes by two sprocket wheels are fixedly connected, the 4th sprocket wheel links described the 5th sprocket wheel by chain, and an end of the 5th sprocket wheel and described crawler belt are accepted wheel 5 and fixedlyed connected.
Support frame as described above comprises upper support frame 10 and lower support frame 11, and wherein, described upper support frame 10 is positioned at seat 1 bottom anterior position, and upper support frame 10 bottoms are provided with a pedal 12.Be positioned at lower support frame 11 forefront positions and be provided with a directive wheel 13.
Described belt wheel 9 one ends are installed on the lower support frame 11, are connected to two idle pulleys 14 on the described lower support frame 11 being provided with an end between the crawler belt 8.
The both sides of described seat 1 also are provided with power wheel lifting handle 15, and this power wheel lifting handle 15 is connected the elevating movement of regulating power wheel 2 by a bevel gear 16 with described worm screw 7.The top, rear portion of the backrest both sides of described seat 1 is equipped with pushing hands 17.
During concrete the use, user can be with hands rotational power wheel 2, realizes self-servicely, also can provide power for wheelchair by other power sources, as the pushing hands 17 promotion wheelchairs of another people by being positioned at the wheelchair rear, for wheelchair provides power.
In the process of going upstairs, user shakes rocking bar 3, rocking bar 3 drives first sprocket rotation, by the sprocket wheel chain structure with transmission of torque to second sprocket wheel, second sprocket wheel and the 3rd sprocket wheel are fixed in same sprocket shaft, first sprocket wheel drives the 3rd sprocket rotation when driving second sprocket wheel, the 3rd sprocket wheel passes through the sprocket wheel chain structure with on transmission of torque to the four sprocket wheels, the 4th sprocket wheel is accepted transmission of torque on wheel 5 and the belt wheel 9 to crawler belt by the sprocket wheel chain structure, drive crawler belts 8 front and back transmissions by belt wheel 9, thereby provide progressive power for wheelchair.The process upstairs of wheelchair is carried out under crawler belt 8 and power wheel 2 combineds effect.Downstairs process and upstairs similar process.
The present invention also can adopt unidirectional rotary apparatus to replace the worm and gear structure.Adopt this scheme not only can regulate the steering angle of described power wheel 2, can also make power wheel 2, promptly then can not fall back, also can not pass through in the opposite direction when falling back towards the direction running that advances towards a direction one-way trip.Described rocking bar 3 can also adopt low-loss, lower powered motor-driven to replace manpower to drive, and for the wheelchair user, motor-driven is time saving and energy saving, and is convenient.
The above is preferred embodiment of the present invention only, is not to be used to limit the present invention, and is within the spirit and principles in the present invention all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. stair-climbing wheel chair, it comprises seat (1), power wheel (2) and bracing frame, described seat (1) is positioned at the bracing frame top and is supported by support frame as described above, described power wheel (2) lays respectively at the rear portion of seat (1) both sides, it is characterized in that: also comprise the rocking bar (3), sprocket transmission device (4), the crawler belt that lay respectively at seat (1) both sides accept wheel (5), worm gear (6) and with described worm gear (6) engaged worm (7); The cardinal extremity of described rocking bar (3) all is connected with the described sprocket transmission device (4) that is installed on the bracing frame; Described worm gear (6) is connected the steering angle of regulating power wheel by worm screw (7) with described power wheel; Described crawler belt is accepted wheel (5) one ends and is fixedlyed connected with described sprocket transmission device (4), crawler belt is accepted front end and the described power wheel of wheel (5) by crawler belt (8) connection support frame as described above, and the junction that is positioned at crawler belt (8) and support frame as described above and power wheel is respectively equipped with belt wheel (9).
2. stair-climbing wheel chair according to claim 1, it is characterized in that: described sprocket transmission device (4) comprises first sprocket wheel, second sprocket wheel, the 3rd sprocket wheel, the 4th sprocket wheel and the 5th sprocket wheel, wherein first sprocket wheel is installed in the cardinal extremity of rocking bar, first sprocket wheel links second sprocket wheel by chain, described second sprocket wheel and the 3rd sprocket wheel are fixed on the same sprocket shaft, the 3rd sprocket wheel links the 4th sprocket wheel by chain, described the 4th sprocket wheel constitutes by two sprocket wheels are fixedly connected, the 4th sprocket wheel links described the 5th sprocket wheel by chain, and an end of the 5th sprocket wheel is accepted wheel (5) with described crawler belt and fixedlyed connected.
3. stair-climbing wheel chair according to claim 1, it is characterized in that: support frame as described above comprises upper support frame (10) and lower support frame (11), wherein, described upper support frame (10) is positioned at seat (1) bottom anterior position, and upper support frame (10) bottom is provided with a pedal (12).
4. stair-climbing wheel chair according to claim 3 is characterized in that: be positioned at lower support frame (11) forefront position and be provided with a directive wheel (13).
5. stair-climbing wheel chair according to claim 3 is characterized in that: described belt wheel (9) is installed on the lower support frame (11), is connected to idle pulley (14) on the described lower support frame being provided with an end between the crawler belt (8).
6. stair-climbing wheel chair according to claim 1, it is characterized in that: the both sides of described seat (1) also are provided with power wheel lifting handle (15), and this power wheel lifting handle (15) is connected the lifting of regulating power wheel (2) with described worm screw (7) by a bevel gear (16).
7. stair-climbing wheel chair according to claim 1 is characterized in that: the rear portion of the backrest both sides of described seat (1) is equipped with pushing hands (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110140295 CN102204858B (en) | 2011-05-27 | 2011-05-27 | Stair-climbing wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110140295 CN102204858B (en) | 2011-05-27 | 2011-05-27 | Stair-climbing wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102204858A true CN102204858A (en) | 2011-10-05 |
| CN102204858B CN102204858B (en) | 2013-03-13 |
Family
ID=44694110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110140295 Expired - Fee Related CN102204858B (en) | 2011-05-27 | 2011-05-27 | Stair-climbing wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102204858B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715990A (en) * | 2012-04-11 | 2012-10-10 | 赵博 | Walking assistant robot |
| CN104925110A (en) * | 2015-06-24 | 2015-09-23 | 方亮 | Electric stair climber |
| CN105748217A (en) * | 2016-02-01 | 2016-07-13 | 山东科技大学 | Two-section four-track stair climbing wheelchair based on walking wheel swinging and upstairs and downstairs going method |
| CN108514479A (en) * | 2018-05-08 | 2018-09-11 | 深圳市福尔泰医疗科技有限公司 | Full ground type manned robot and method for moving up/down steps |
| CN110466585A (en) * | 2019-08-21 | 2019-11-19 | 泉州铂克新材料科技有限公司 | Three-wheel climbs building transport device and its application method |
| CN110916917A (en) * | 2019-12-06 | 2020-03-27 | 四川轻化工大学 | Electric wheelchair capable of going up and down steps |
| CN114128494A (en) * | 2021-12-31 | 2022-03-04 | 岭南师范学院 | Coconut picking device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2464305Y (en) * | 2001-02-16 | 2001-12-12 | 郭永利 | Wheel chair capable of going up stairs |
| CN2472699Y (en) * | 2001-03-29 | 2002-01-23 | 于文麒 | Wheeled chair capable of climbing stairs |
| CN201267580Y (en) * | 2008-09-28 | 2009-07-08 | 华中农业大学 | Crawler wheel chair capable of going up stairs onwards or backwards |
-
2011
- 2011-05-27 CN CN 201110140295 patent/CN102204858B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2464305Y (en) * | 2001-02-16 | 2001-12-12 | 郭永利 | Wheel chair capable of going up stairs |
| CN2472699Y (en) * | 2001-03-29 | 2002-01-23 | 于文麒 | Wheeled chair capable of climbing stairs |
| CN201267580Y (en) * | 2008-09-28 | 2009-07-08 | 华中农业大学 | Crawler wheel chair capable of going up stairs onwards or backwards |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715990A (en) * | 2012-04-11 | 2012-10-10 | 赵博 | Walking assistant robot |
| CN104925110A (en) * | 2015-06-24 | 2015-09-23 | 方亮 | Electric stair climber |
| CN104925110B (en) * | 2015-06-24 | 2017-04-26 | 方亮 | Electric stair climber |
| CN105748217A (en) * | 2016-02-01 | 2016-07-13 | 山东科技大学 | Two-section four-track stair climbing wheelchair based on walking wheel swinging and upstairs and downstairs going method |
| CN108514479A (en) * | 2018-05-08 | 2018-09-11 | 深圳市福尔泰医疗科技有限公司 | Full ground type manned robot and method for moving up/down steps |
| CN108514479B (en) * | 2018-05-08 | 2023-09-22 | 深圳市福尔泰医疗科技有限公司 | All-terrain manned robot and step ascending and descending method |
| CN110466585A (en) * | 2019-08-21 | 2019-11-19 | 泉州铂克新材料科技有限公司 | Three-wheel climbs building transport device and its application method |
| CN110466585B (en) * | 2019-08-21 | 2023-11-21 | 泉州铂克新材料科技有限公司 | Three-wheeled stair climbing transportation device and application method thereof |
| CN110916917A (en) * | 2019-12-06 | 2020-03-27 | 四川轻化工大学 | Electric wheelchair capable of going up and down steps |
| CN114128494A (en) * | 2021-12-31 | 2022-03-04 | 岭南师范学院 | Coconut picking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102204858B (en) | 2013-03-13 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140527 |