CN2380207Y - Wheeled chair capable of going upstairs and downstairs - Google Patents
Wheeled chair capable of going upstairs and downstairs Download PDFInfo
- Publication number
- CN2380207Y CN2380207Y CN 99218014 CN99218014U CN2380207Y CN 2380207 Y CN2380207 Y CN 2380207Y CN 99218014 CN99218014 CN 99218014 CN 99218014 U CN99218014 U CN 99218014U CN 2380207 Y CN2380207 Y CN 2380207Y
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- wheel
- wheelchair
- support means
- secondary support
- crossbeam
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Abstract
The utility model discloses a wheelchair which can get up and down stairs. The wheelchair comprises wheels which comprise rotation frames, guide wheels on the front end of the wheelchair, and a chair with a hand handle and a backrest. In the utility model, the chair and the backrest of the wheelchair are arranged on a first and a second auxiliary supporting devices; the second auxiliary supporting device is fixedly provided with a third auxiliary supporting device with supporting wheels and rotation arms; shafts of the wheels with rotation frames are fixed on the rotation arms through hinges; the first and the second auxiliary supporting devices are provided with at least two groups of auxiliary supporting wheels; the wheelchair and the gravity center of a load are in any two groups of auxiliary supporting wheels of the first and the second auxiliary supporting devices; the wheelchair is also provided with a driving device which drives the two auxiliary supporting devices respectively to move in a height direction.
Description
This utility model relates to the wheelchair that a kind of severe case of being used for or crippled use, particularly a kind of wheelchair that can stair activity, and it comprises wheel, the directive wheel that is positioned at the wheelchair front end of being with rotating turret, the seat that has hand-pushing handle and backrest.
Wheelchair as severe case or crippled's walking-replacing tool is difficult to move along stair, provide multiple wheelchair to climb the building device for overcoming in this not enough prior art, for example Chinese utility model patent 93209301.9 disclosed manual stair climbing wheelchairs, this patent is to fasten in the supporting of the vehicle frame be made up of four-bar linkage and trailing wheel to establish two and respectively climb building bar and drive mechanism with one " foot ", its drive mechanism is to adopt chain power train and pinion unit to give four-bar mechanism with transmission of torque, make each " foot " of climbing on the building bar produce the supplemental support motion, cooperate the motion of the motion realization stair activity of wheel, and the great advantage of this patent is to be finished the motion of stair activity by occupant oneself.Though this patent has its unique advantage, also exist following several deficiency:
1, complex structure, manufacturing cost is too high;
2, for the weakling, particularly own unable rotating drive handle person, as for the apoplectic hemiplegia patient, this patent is not suitable, and other people also are difficult to help the occupant with this patent stair activity in this case;
3, because this patent mechanism, when using this patent stair activity, its seat face will produce inclination to the stair above and below respectively with different motion stages, and this had both made occupant's discomfort, also was absolutely unsafe;
4, from the situation of this patent disclosure, this patent will be more time-consuming when stair activity.
The purpose of this utility model provides and a kind ofly can overcome the prior art deficiency, and structure is simple relatively, and manufacturing cost is lower, can be easily under other people help and stair activity comparatively quickly, and more comfortable and safe wheelchair.
The purpose of this utility model realizes by following measure: with the seat of wheelchair, backrest is arranged on first and second secondary support means, on second secondary support means, be fixed with the 3rd secondary support means and the pivoted arm that has bogie wheel with hinge, the axle of the wheel of band rotating turret schedules on the pivoted arm with hinges fixing, described first, at least be provided with two groups of aiding support wheels in second secondary support means, the center of gravity of wheelchair and load is positioned at first, in wantonly two groups of aiding supports wheel of second secondary support means, also be provided with on wheelchair and drive the driving device that two secondary support means are moved along short transverse respectively, arbitrary cover secondary support means two groups of aiding supports of another set of secondary support means when short transverse is moved are taken turns the all-mass that is carrying wheelchair when stair activity move.
This utility model can also adopt following method to realize:
First auxiliary supporting system is two groups of its following legs that have the aiding support wheel that are rigidly secured on the seat plate, arbitrary position in its short transverse of backrest upper edge has rigidly fixed first crossbeam, on first crossbeam, rigidly fix second secondary support means that it has the leg of aiding support wheel down, the device that drives two secondary support means by: on second crossbeam that rigidly fixes on the leg of second secondary support means fixed first, the second two separate wheel shafts, fixed on the seat separate first, the second two pulleys, fixed the 3rd pulley on first crossbeam, and the one end is fixed in the other end on first crossbeam through being fixed in the second crossbeam other end, the second soft rope on second wheel shaft that is fastened after around second pulley around be fastened after crossing first pulley and the 3rd pulley the first soft rope on first wheel shaft and one end, and can be with first, what great wheel arbor matched also can be along first, endwisely slipping of great wheel arbor to realize respectively with first, great wheel arbor cooperates rocking bar to constitute.
Be equipped with the braking deceleration device on first, second wheel shaft of the present utility model, to reduce wheelchair last downstairs the time, the speed when going downstairs particularly.
Each bogie wheel of the present utility model all links by device and the leg that can adjust its height, so that wheelchair adapts to various stair.
Advantage of the present utility model is as follows:
1, this utility model structure is comparatively simple, gearless driving in entire mechanism, so manufacturing cost is lower;
2, this utility model unlike the prior art, it is to rely on other people operation to finish the motion of stair activity, therefore is particularly suitable for for weakling and severe case, particularly the hemiplegic patient uses;
3, this utility model its seat plane when stair activity remains on horizontal level, obviously both improved occupant's Shu Chengdu, and, increased occupant's safe coefficient greatly because construction features of the present utility model always maintains at least two strong points and lands when upper and lower stair;
4, practical effect of the present utility model test shows that operator strength is about 5 kilograms when upper and lower stair, climbs up the used time of five floors to be about 5 minutes;
5, this utility model goes for the stair of various height and stair distance.
Description of drawings
Fig. 1 is a structural representation of the present utility model, Fig. 2 is wheel shaft of the present utility model and operating mechanism and braking deceleration structural scheme of mechanism, Fig. 3 to Fig. 5 is this utility model motor process sketch map on stair, for simplicity, on Fig. 3 to Fig. 5, do not draw braking deceleration handgrip (13) and rocking bar (15).
Each member and mutual relation are in accompanying drawing of the present utility model:
Bogie wheel on (1) the 3rd supporting arrangement (22), (2) be the bogie wheel on first leg (21) of being located at first supporting arrangement, (3) being located at is bogie wheel on first leg (26) of second supporting arrangement, (4) for being used to handle the handle of pivoted arm (27), (5) for being used to handle the handle of the 3rd supporting arrangement (22), (6) be seat, (7) for being fixed in the pulley mechanism of seat limit portion, (8) be directive wheel, (9) be bogie wheel on second leg (25) of second supporting arrangement, (10) be bogie wheel on second leg (23) of first supporting arrangement, (11) for having the wheel of rotating turret, (12) for being fixed on the 3rd crossbeam (24) and can making second leg (23) of first supporting arrangement along its pilot sleeve that moves, (13) be the braking deceleration handgrip, (14) also can make first supporting arrangement, second leg (23) can be for being fixed in seat (6) under along the pilot sleeve that moves in it, (15) for being used for the rocking bar of hand wheel shaft (16) motion, (16) be mechanism for the wheel shaft that is fixed on first crossbeam (28), (17) for being fixed in the pulley on second crossbeam (18), (18) for being fixed in second crossbeam on the backrest (19), (19) be backrest, (20) for being fixed on the backrest prolongation member and can making first leg (21) of first supporting arrangement along its pilot sleeve that moves, (21) be first leg of first supporting arrangement, (22) be the 3rd supporting arrangement, (23) be second leg of first supporting arrangement, (24) be the 3rd crossbeam, (25) be second leg of second supporting arrangement, (26) be first leg of second supporting arrangement, (27) be pivoted arm, (28) be first crossbeam, (29) for being fixed in the shift fork that can drive its rotation on the Handle axis (15) respectively with wheel shaft (35) and (36) engagement, (30) be the friction brake(-holder) block, (31) and (32) for being fixed in two pulleys in the assembly pulley on seat (6) limit, (33) and (34) two soft ropes respectively, (35) and (36) be respectively two can separate rotation wheel shaft, one end of wherein soft rope (33) is fixed on second crossbeam (18), its other end is fastened on wheel shaft (35) after around pulley (31) and pulley (17), one end of another soft rope (34) is fixed in first crossbeam (28), the other end is fastened on wheel shaft (36) after around pulley (32), (37) for being fixed in the tumbler shaft on the leg (26), (38) be the axle that has the wheel (11) of rotating turret, (39) be the protrusion of being located on wheel shaft (35) and (36) that can match with shift fork (29) respectively, this shows can along its in axial sliding shift fork (29) in fact constituted clutch with the protrusion (39) be located on the two axles.
Below in conjunction with accompanying drawing structure of the present utility model and kinestate are elaborated.
As seen from Figure 1, be fixed with two groups of legs (21) and (23) under seat of the present utility model (6), it respectively is provided with bogie wheel (1) and (10) down, constitutes first secondary support means of the present utility model.Limit portion at seat (6) is fixed with assembly pulley (7).On backrest of the present utility model (19), be fixed with second crossbeam (18).Be fixed with two groups of legs (26) and (25) on second crossbeam (18), be provided with bogie wheel (3) and (9) thereon, constituted second secondary support means of the present utility model thus.On second crossbeam (18), also be fixed with pulley (17).As seen from the figure, center of gravity of the present utility model both had been positioned at two groups of legs of first supporting arrangement, also was positioned at two groups of legs of second supporting arrangement simultaneously.Be fixed with hinge (37) on first leg (26) of second supporting arrangement, pivoted arm (27) and the 3rd supporting arrangement (22) are housed on hinge (37).On pivoted arm (27), be provided with another axle (38) that is used to install the wheel (11) that has rotating turret.Surely the wheel shaft that had last week at first crossbeam (28) is mechanism (16), about wheel shaft is that the detailed structure of mechanism (16) is referring to accompanying drawing 2, be fixed with shift fork (29) on its axis (15), and it is that mechanism connects that axle (15) is paid wheel shaft with slip, go up and be positioned at shift fork (29) both sides at axle (15) and wheel shaft (35) and (36) can be installed with rotation, on wheel shaft (35) and (36), be provided with the projection (39) that can match with shift fork (29) respectively, the right pulling axle (15) to direction as shown when using can make shift fork (29) act on the wheel shaft (35), at this moment wheel shaft (36) can freely rotate, otherwise, when shift fork (29) when the diagram left advances, shift fork (29) can act on the wheel shaft (36), and wheel shaft (35) then can freely rotate.On wheel shaft (35) and (36), also be provided with braking deceleration device (30) by handgrip (13) control.With two soft ropes (33) and (34) two cover secondary support means contacts are hastened to come in this utility model, one end of soft rope (33) is fixed on second crossbeam (18), its other end is fastened on wheel shaft (35) after around pulley (31) and pulley (17), one end of another soft rope (34) is fixed in first crossbeam (28), and the other end is fastened on wheel shaft (36) after around pulley (32).Constitute basic system of the present utility model thus.
Explain orally the process of this practical stair activity below in conjunction with accompanying drawing 3 to 5:
This utility model when the stair at first control crank (4) make wheel (11) upwards " lifting " to position shown in Figure 3, (the notes then from the wheelchair front; Promptly take turns the opposite of chair back) push wheelchair to stair, when the 3rd supporting arrangement (21) during near the first step of stair, the wheel (2) of first group of leg of first secondary support means of the present utility model contact with first order step and thereon;
At this moment use handle (5) that the 3rd supporting arrangement is gone to position shown in Figure 4, continue wheelchair is advanced to the stair direction, make the wheel (3) that is positioned on second secondary support means also " walk " first order step, state promptly shown in Figure 4;
Draw outside the handle (15), the shift fork (29) that is fixed thereon is contacted with protrusion on the wheel shaft (35), turning handle (15) drives wheel shaft (35) is wound on the wheel shaft (35) soft rope (31), meanwhile, the soft rope (32) that is wound in wheel shaft (36) is untied under the effect of pulley mechanism (7), because pulley mechanism (7) is to be fixed on the seat, consequently seat (6) and the last first set secondary support means thereof " are raised ", wheel (2) until first group of leg of first secondary support means is in second level shoulder height, and another group castor (10) is in first order shoulder height, push ahead wheelchair, wheel (2) and wheel (10) " climbing up " second level step and first order step respectively both can have been made, referring to Fig. 5.In this course, two groups of second secondary support means prop up castor (3) and (9) are positioned on first order step and the ground all the time, and carrying all load, keep wheelchair to be in stable status;
After this utility model is in the position shown in the accompanying drawing 5, handle (16) is pushed inward, the shift fork (29) that is fixed thereon is contacted with protrusion on the wheel shaft (36), turning handle (15) drives wheel shaft (36) is wound on the wheel shaft (36) soft rope (32), meanwhile, the soft rope (31) that is wound in wheel shaft (35) is untied under the effect of pulley mechanism (7), be second crossbeam (18) and the last second set secondary support means thereof " to be raised " equally by pulley mechanism (7) effect, be in the height of second level step until the wheel (3) of first group of leg of second secondary support means, and another group castor (9) is in first order shoulder height, after pushing ahead wheelchair, wheel (3) and wheel (9) " climbing up " second level step and first order step respectively both can have been made.In this course, two groups of first secondary support means prop up castor (2) and (10) are positioned on first order step and the ground all the time, and carrying all load, keep wheelchair to be in stable status simultaneously;
Continuing said process both can make this utility model " climb up " step step by step.
The operating process of this utility model when going downstairs be with aforementioned opposite, and can rely on the deadweight effect of secondary support means to make wheelchair and the passenger's easy motion on it to downstairs after utilizing brake unit (13) to slow down.
This utility model also can place the back side of wheelchair (to annotate: both opposite with direction as shown position) braking deceleration handgrip (13) and rocking bar (15) in specific implementation process, but at this moment be positioned at the directive wheel (8) and the wheel (11) of wheelchair front end, and the 3rd supporting arrangement need do and can add the adaptability device, mechanism may be more more complicated than the structure of accompanying drawing like this.
This utility model its seat when carrying out interfloor operation remains at the position of basic horizontal, and the power of shaking rocking bar through actual measurement when going upstairs operation is about 5 kilograms, climbs up for five floor times spent to be no more than 5 minutes.
Claims (4)
1, but a kind of wheelchair of stair activity, comprise the wheel of being with rotating turret, be positioned at the directive wheel of wheelchair front end, the seat that has hand-pushing handle and backrest, the seat that it is characterized in that wheelchair, backrest is arranged on first and second secondary support means, the 3rd secondary support means and the pivoted arm that on second secondary support means, fixedly have bogie wheel with hinge, the axle of the wheel of band rotating turret schedules on the pivoted arm with hinges fixing, described first, at least be provided with two groups of aiding support wheels in second secondary support means, the center of gravity of wheelchair and load is positioned at first, in wantonly two groups of aiding supports wheel of second secondary support means, also be provided with on wheelchair and drive the driving device that two secondary support means are moved along short transverse respectively, arbitrary cover secondary support means two groups of aiding supports of another set of secondary support means when short transverse is moved are taken turns the all-mass that is carrying wheelchair when stair activity move.
2, but the wheelchair of stair activity according to claim 1, it is characterized in that first auxiliary supporting system is two groups of its following legs that have the aiding support wheel that are rigidly secured on the seat plate, on backrest, rigidly fixed first crossbeam, on first crossbeam, rigidly fix second secondary support means that it has the leg of aiding support wheel down, the device that drives two secondary support means in this utility model by: on second crossbeam that rigidly fixes on the leg of second secondary support means fixed first, the second two separate wheel shafts, on the seat limit fixed separate first, the second two pulleys, fixed the 3rd pulley on first crossbeam, the one end is fixed in the other end on first crossbeam through being fixed in the second crossbeam other end, the second soft rope on second wheel shaft that is fastened after around second pulley around be fastened after crossing first pulley and the 3rd pulley the first soft rope on first wheel shaft and one end, and can be with first, what great wheel arbor acted on mutually also can be along first, endwisely slipping of great wheel arbor to realize and first respectively, great wheel arbor cooperates rocking bar to constitute.
But 3, the wheelchair of stair activity according to claim 2 is characterized in that being equipped with brake unit on first, second wheel shaft.
But, it is characterized in that each bogie wheel all links by device and the leg that can adjust its height 4, according to the wheelchair of claim 1 or 2 or 3 described stair activities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99218014 CN2380207Y (en) | 1999-07-16 | 1999-07-16 | Wheeled chair capable of going upstairs and downstairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99218014 CN2380207Y (en) | 1999-07-16 | 1999-07-16 | Wheeled chair capable of going upstairs and downstairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2380207Y true CN2380207Y (en) | 2000-05-31 |
Family
ID=34009328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99218014 Expired - Fee Related CN2380207Y (en) | 1999-07-16 | 1999-07-16 | Wheeled chair capable of going upstairs and downstairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2380207Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103027803A (en) * | 2011-10-04 | 2013-04-10 | 李少麟 | Electric wheelchair |
| CN104207899A (en) * | 2014-03-27 | 2014-12-17 | 刘继伦 | Stair climbing wheelchair |
| CN105726231A (en) * | 2016-01-25 | 2016-07-06 | 郑清荣 | Marching type stair-climbing wheelchair of telescopic arm structure |
| CN106137577A (en) * | 2016-07-15 | 2016-11-23 | 长安大学 | A kind of wheelchair realizing going downstairs on self-service |
| CN109229224A (en) * | 2018-09-20 | 2019-01-18 | 深圳大学 | A kind of control system and control method of full-automatic steps climbing robot |
| CN110916918A (en) * | 2019-12-09 | 2020-03-27 | 河海大学常州校区 | Multifunctional stepping barrier-free wheelchair |
| CN112572630A (en) * | 2020-11-05 | 2021-03-30 | 江苏金成源实业投资有限公司 | Robot for stair transportation |
-
1999
- 1999-07-16 CN CN 99218014 patent/CN2380207Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103027803A (en) * | 2011-10-04 | 2013-04-10 | 李少麟 | Electric wheelchair |
| CN103027803B (en) * | 2011-10-04 | 2016-02-03 | 李少麟 | Electric wheelchair |
| CN104207899A (en) * | 2014-03-27 | 2014-12-17 | 刘继伦 | Stair climbing wheelchair |
| CN105726231A (en) * | 2016-01-25 | 2016-07-06 | 郑清荣 | Marching type stair-climbing wheelchair of telescopic arm structure |
| CN106137577A (en) * | 2016-07-15 | 2016-11-23 | 长安大学 | A kind of wheelchair realizing going downstairs on self-service |
| CN106137577B (en) * | 2016-07-15 | 2017-09-01 | 长安大学 | It is a kind of to realize self-service upper wheelchair downstairs |
| CN109229224A (en) * | 2018-09-20 | 2019-01-18 | 深圳大学 | A kind of control system and control method of full-automatic steps climbing robot |
| CN109229224B (en) * | 2018-09-20 | 2023-09-05 | 深圳大学 | Control system and control method of full-automatic ladder climbing robot |
| CN110916918A (en) * | 2019-12-09 | 2020-03-27 | 河海大学常州校区 | Multifunctional stepping barrier-free wheelchair |
| CN110916918B (en) * | 2019-12-09 | 2022-03-01 | 河海大学常州校区 | Multifunctional stepping barrier-free wheelchair |
| CN112572630A (en) * | 2020-11-05 | 2021-03-30 | 江苏金成源实业投资有限公司 | Robot for stair transportation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |