CN102327164A - Wheelchair capable of automatically going upstairs and downstairs - Google Patents
Wheelchair capable of automatically going upstairs and downstairs Download PDFInfo
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- CN102327164A CN102327164A CN201110205446A CN201110205446A CN102327164A CN 102327164 A CN102327164 A CN 102327164A CN 201110205446 A CN201110205446 A CN 201110205446A CN 201110205446 A CN201110205446 A CN 201110205446A CN 102327164 A CN102327164 A CN 102327164A
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Abstract
The invention relates to a wheelchair capable of automatically going upstairs and downstairs. The wheelchair comprises a vehicle frame, a caterpillar track pulley block, an electric box for controlling the caterpillar track pulley block and rear wheels to ascend and descend, and hydraulic arms. The vehicle frame comprises a seat ring and front and back wheel frames. The electric box, the caterpillar track pulley block hydraulic arm and the rear wheel hydraulic arm are fixed on the seat ring. A pulley block loading piece and a front wheel upper wheel rod are installed on the lower end of the front wheel frame, a front wheel lower wheel rod is sleeved on the front wheel upper wheel rod in an up and down sliding manner; a front wheel spring and a guy rope are connected between the front wheel upper wheel rod and the front wheel lower wheel rod, and the guy rope is further connected with a front wheel trigger switch. A rear wheel rod is inserted in the back wheel frame in a sliding manner, and the rear wheel rod is movably connected with the rear wheel hydraulic arm. The front end of the caterpillar track pulley block is movably connected with the pulley block loading piece, and the middle back part of the caterpillar track pulley block is movably connected with the caterpillar track pulley block hydraulic arm. A triggering pulley rotating shaft and a triggering pulley are installed on the back part of the caterpillar track pulley block, and a triggering pulley spring is installed on the triggering pulley rotating shaft and is connected with a triggering pulley trigger switch. A triggering plate and a limiting plate are arranged on the front part of the caterpillar track pulley block, and upper and lower trigger switches are arranged on the limiting plate. The wheelchair can automatically go upstairs and downstairs so that the automation degree is high, and is suitable to be used by the crowds incapable of walking and the elders.
Description
Technical field
The present invention relates to the Wheel-chair that a kind of people with disability takes, relate in particular to a kind of Wheel-chair that can upward go downstairs voluntarily.
Background technology
Old people, both legs dye disease patient, serious symptom needs of patients such as can't take action and could take action by instruments such as wheelchairs; And existing wheelchair is manual actuation mostly; And it is adapted at the level land or use on the less road surface of the gradient; At all can't upper and lower stair, need other people to assist just can pass in and out building, comparatively inconvenience the user in living in walk-up building.Propose a kind of wheelchair that relies on electric power to advance though the patent No. is 01145209.9 electric wheelchair, it still can't solve the problem of upper and lower stair.Solved the problem of climbing platform though the patent No. is 95115123.1 Car for travelling up steps or slope, it need rely on manpower, can't climb platform voluntarily.The wheelchair tool of waiting for bus also appears can upper and lower voluntarily building getting in the prior art.
Summary of the invention
The objective of the invention is to propose a kind of wheelchair occupant and need not other people assistance, the Wheel-chair in upper and lower building voluntarily.
The objective of the invention is to realize like this: can go up Wheel-chair downstairs voluntarily and comprise vehicle frame; Be fixed on seat cushion, back cushion on the vehicle frame; Be installed in liftable crawler belt assembly pulley between front-wheel and trailing wheel; And, be provided with control circuit in the electric box in order to electric box and hydraulic arm that control crawler belt assembly pulley goes up and down.Whole identical with four lower limb side's chair shapes at vehicle frame, the rectangle seat ring that it comprises level vertically is fixed on preceding chair frame, the rear chair frame of seat ring front and back ends both sides.Under seat ring, be fixed with electric box, the seat ring both sides are fixed with crawler belt assembly pulley hydraulic arm, and the seat ring rear end is fixed with the trailing wheel hydraulic arm, and the hydraulic jack switch of crawler belt assembly pulley hydraulic arm, trailing wheel hydraulic arm is connected with the interior control circuit of electric box.Pro-chair frame lower end is equiped with on assembly pulley slide glass and the front-wheel takes turns bar; Wheel bar lower slider socket front-wheel lower whorl bar on the front-wheel; Be equiped with front-wheel on the front-wheel lower whorl bar, be connected with front-wheel spring and backguy between wheel bar and front-wheel lower whorl bar on the front-wheel, backguy is connected with the front-wheel touch switch.Sliding plug has rear wheel bar in the rear chair frame, rear wheel bar lower end installing trailing wheel, and rear wheel bar is connected with the trailing wheel hydraulic arm is active.Between the front-wheel of both sides and trailing wheel, be equiped with the crawler belt assembly pulley, crawler belt assembly pulley front end is connected with the assembly pulley slide glass is active, crawler belt assembly pulley postmedian and active connection of crawler belt assembly pulley hydraulic arm.Crawler belt assembly pulley rear portion is equiped with touches the pulley rotating shaft, installs on it and touches pulley, touches to be equiped with in the pulley rotating shaft and touches the pulley spring, touches the pulley spring and is connected with shake-up pulley touch switch.Be provided with touch panel in crawler belt assembly pulley front portion, be provided with the acclivitous limiting plate in rear portion directly over the touch panel, the front end of limiting plate is a wedge angle, is provided with the next touch switch, upper touch switch respectively in the lower surface of wedge angle and the place, lower surface of limiting plate.
Owing to implementing technique scheme, the present invention is when running into upper and lower stair, and trailing wheel is packed up voluntarily, and the crawler belt assembly pulley is adjusted the inclination angle identical with stair voluntarily simultaneously, keeps getting final product upper and lower stair under the flat state of sitting the occupant, and is convenient and swift.It need not artificial adjusting, and automaticity is high, the suitable crowd that can't walk, and aged crowd uses.
Description of drawings: concrete structure of the present invention is provided by following accompanying drawing and embodiment:
Fig. 1 can go up Wheel-chair structural representation downstairs voluntarily;
Fig. 2 is a crawler belt pulley block structure sketch map;
Fig. 3 is the fore wheel structure sketch map;
Fig. 4 is crawler belt assembly pulley and limiting plate structural representation;
Fig. 5 is a rear axle plate structure sketch map;
Fig. 6 can go up Wheel-chair circuit theory diagrams downstairs voluntarily.
Legend: 1, trailing wheel hydraulic arm, 2, rear chair frame, 3, rear wheel bar, 4, trailing wheel, 5, the crawler belt assembly pulley, 6, electric box; 7, crawler belt assembly pulley hydraulic arm, 8, limiting plate, 9, front-wheel, 10, take turns bar on the front-wheel, 11, preceding chair frame, 12, screw rod; 13, change speed gear box, 14, the back axillare, 15, motor, 16, crawler belt, 17, touch pulley, 18, driving pulley; 19, gear, 20, touch panel, 21, preceding axillare, 22, front-wheel lower whorl bar, 23, the front-wheel spring, 24, backguy; 25, front-wheel touch switch, 26, the next touch switch, 27, upper touch switch, 28, touch the pulley touch switch, 29, touch the pulley spring, 30, touch the pulley rotating shaft.
The specific embodiment:
The present invention does not receive the restriction of following embodiment, can confirm concrete embodiment according to technical scheme of the present invention and practical situation.
Embodiment
:Shown in Fig. 1-5; Can go up Wheel-chair downstairs voluntarily and comprise vehicle frame; Be fixed on seat cushion, back cushion on the vehicle frame; Be installed in 4 liftable crawler belt assembly pulleys 5 of front-wheel 9 and trailing wheel, and, be provided with control circuit in the electric box 6 in order to electric box 6 and hydraulic arm that control crawler belt assembly pulley 5, trailing wheel 4 go up and down.Whole identical with four lower limb side's chair shapes at vehicle frame, the rectangle seat ring that it comprises level vertically is fixed on preceding chair frame 11, the rear chair frame 2 of seat ring front and back ends both sides.Under seat ring, be fixed with electric box 6, the seat ring both sides are fixed with crawler belt assembly pulley hydraulic arm 7, and the seat ring rear end is fixed with trailing wheel hydraulic arm 1, and the hydraulic jack switch of crawler belt assembly pulley hydraulic arm 7, trailing wheel hydraulic arm 1 is connected with electric box 6 interior control circuits.Pro-chair frame 11 lower ends are equiped with wheel bar 10 on assembly pulley slide glass and the front-wheel; Wheel bar 10 lower slider socket front-wheel lower whorl bars 22 on the front-wheel; Be equiped with front-wheel 9 on the front-wheel lower whorl bar 22; Wheel bar 10 and 22 on front-wheel lower whorl bar are connected with front-wheel spring 23 and backguy 24 on the front-wheel, and backguy 24 is connected with front-wheel touch switch 25.Sliding plug has rear wheel bar 3 in the rear chair frame 2, rear wheel bar 3 lower ends installing trailing wheel 4, rear wheel bar 3 and 1 active connection of trailing wheel hydraulic arm.Front- wheel 9 and 4 of trailing wheels in both sides are equiped with crawler belt assembly pulley 5, and crawler belt assembly pulley 5 front ends are connected with the assembly pulley slide glass is active, and crawler belt assembly pulley 5 postmedians and 7 active connections of crawler belt assembly pulley hydraulic arm, crawler belt assembly pulley hydraulic arm 7 drive crawler belt assembly pulley 5 and go up and down.Crawler belt assembly pulley 5 rear portions are equiped with touches pulley rotating shaft 30, installs on it and touches pulley 17, touches to be equiped with in the pulley rotating shaft 30 and touches pulley spring 29, touches pulley spring 29 and is connected with shake-up pulley touch switch 28.Be provided with touch panel 20 in crawler belt assembly pulley 5 front portions; Be provided with the acclivitous limiting plate 8 in rear portion directly over the touch panel 20; The front end of limiting plate 8 is a wedge angle, is provided with the next touch switch 26, upper touch switch 27 respectively at the place, lower surface of the lower surface of wedge angle and limiting plate.
As shown in Figure 6, control circuit comprises an XOR circuit, and the double-throw relay K parallelly connected with XOR circuit, and trailing wheel hydraulic arm 1, crawler belt assembly pulley hydraulic arm 7 are connected with XOR circuit.Double-throw relay K and motor 15 are connected, and connect with front-wheel touch switch 25, shake-up pulley touch switch 28, front- wheel touch switch 25 and 28 parallel connections of shake-up pulley touch switch.Include two double-point double-throw switch K1, K2 in the XOR circuit; Before two K switch 1, K2, be in series with relay; Relay before the K switch 1 is connected with front-wheel touch switch 25, shake-up pulley touch switch 28; Relay before the K switch 2 is connected with upper touch switch 27, the next touch switch 26, and upper touch switch 27 is parallelly connected with the next touch switch 26.
Like Fig. 1, shown in 3, with center line before and after the seat ring be axis of symmetry two before chair framves 11 the middle part respectively with two welded corner joints of seat ring front side.The upwards bending backward of chair frame 11 tops forms arm-rest frame before two, and the bending forward downwards of two preceding chair frame 11 bottoms forms footrest frame.Be welded with wheel bar 10 and assembly pulley slide glass on the front-wheel bottom at footrest frame, 10 times socket front-wheels of wheel bar lower whorl bar 22 is connected with front-wheel spring 23 between the two on the front-wheel.On front-wheel lower whorl bar 22, be equiped with the front-wheel rotating shaft, installing front-wheel 9 in the front-wheel rotating shaft.Be respectively arranged with fixing point on wheel bar 10 and the front-wheel lower whorl bar 22 on the front-wheel, backguy 24 1 ends are fixed on the fixed point of front-wheel lower whorl bar 22, and the other end is connected with front-wheel touch switch 25.Backguy 24 is wrapped with rubber sleeve, and rubber sleeve is fixed on the fixed point of wheel bar 10 on the front-wheel.
As shown in Figure 1, with center line before and after the seat ring be axis of symmetry two rear chair frames 2 the lower end respectively with two welded corner joints of seat ring front side.Rear chair frame 2 is the cavity pipe, on rear chair frame 2 tube walls, has groove, and rear chair frame 2 upper ends are bent to form backward and push away handle.In rear chair frame 2, be plugged with rear wheel bar 3, hind axle is horizontally fixed on rear wheel bar 3 lower ends, and trailing wheel 4 is installed on the hind axle.Be fixed with the connecting rod of level on the rear wheel bar 3 bar walls, this connecting rod is slidingly connected in the groove of rear chair frame 2, and with 1 active connection of the trailing wheel hydraulic arm that is fixed on the seat ring rear end, trailing wheel hydraulic arm 1 drives rear wheel bar 3 and moves up and down, thereby drives the up-down of trailing wheel 4.
Like Fig. 1,2, shown in 4; Front- wheel 9 and 4 of trailing wheels in both sides are equiped with two groups of crawler belt assembly pulleys 5; Crawler belt assembly pulley 5 comprises the gear 19 and driving pulley 18 that is installed in preceding axillare 21 both sides; And be installed in the shake-up pulley 17 on the axillare 14 of back, and the change speed gear box 13 and motor 15 of driven wheel 19.Before axillare 21 form by two long slabs, it is laid in 4 of front-wheel 9 and the trailing wheels of chair frame both sides, the postmedian of preceding axillare 21 and 7 active connections of crawler belt assembly pulley hydraulic arm.Have symmetric axis hole on the pro-axillare 21, be provided with rotary gear shaft in the axis hole, preceding axillare 21 is stretched out in said rotary gear shaft outside, and is equiped with driving pulley 18.Be equiped with gear 19 on the rotary gear shaft that preceding axillare is 21, gear 19 and driving pulley 18 interlocks.At gear 19 upsides, be laid with screw rod 12 along preceding axillare 21 length directions, screw rod 12 and each gear 19 engagement.Screw rod 12 1 ends and the interlock of change speed gear box 13 power output shafts; The other end is connected with the assembly pulley slide glass is active, and change speed gear box 13 is driven by motor 15, and motor 15 is fixed on two groups 21 of preceding axillares; By accumulator electric power is provided, its forward and backward gauge tap is arranged on vehicle frame arm-rest frame place.The front portion of 21 of axillares also is fixed with touch panel 20 before two groups, and touch panel 20 upper surfaces are horizontal plane, and are higher than screw rod 12 upper surfaces.The long slab rear end in pro-axillare 21 outsides is connected with back axillare 14 through bolt, and back axillare 14 is the state of being inclined upwardly, and its angle with horizontal plane is identical with horizontal plane angle with limiting plate 8, or is 30 degree, or is 40 degree, or is 50 degree, or is 60 degree.Through the aforementioned bolt of degree of tightness, can regulate the angle of back axillare 14 and horizontal plane arbitrarily.
Rotary gear shaft outermost end foremost is installed on the assembly pulley slide glass, and crawler belt assembly pulley 5 is the center of circle with this rotary gear shaft, can rotate around it.
As shown in Figure 5, on the axillare 14 of back, have axis hole, axis hole is installed with shake-up pulley rotating shaft 30 in being, and said axis hole sectional area touches pulley rotating shaft 30 and can in said axis hole, move greater than the sectional area that touches pulley rotating shaft 30.On the back axillare 14 above the said axis hole, be fixed with and touch pulley touch switch 28, shake-up pulley touch switch 28 and 30 of shake-up pulley rotating shafts are connected with and touch pulley spring 29.In shake-up pulley rotating shaft 30, be equiped with and touch pulley 17, touch pulley 17 and driving pulley 18 composition assembly pulleys, covering crawler belt on it, driving pulley 18 drive through crawler belt and touch pulley 17 rotations.Shake-up pulley 17 exposures of rearmost end are outside the vehicle frame of back.
Downstairs the time, starter motor 15 drives crawler belt assembly pulley 5 and rotates, and car load moves forward.Front-wheel 9 is in a single day unsettled, and front-wheel lower whorl bar 22 moves downward under the effect of front-wheel spring 23 at this moment, pulling backguy 23; Front-wheel touch switch 25 moves once, and double-throw relay and K switch 1 are moved once, and the XOR circuit one road in the control circuit is closed; Crawler belt assembly pulley hydraulic arm 7,1 withdrawal of trailing wheel hydraulic arm are upwards slowly mentioned rear wheel bar 3 and crawler belt assembly pulley 5 simultaneously, contact until the upper touch switch 27 of touch panel 20 with limiting plate 8 lower surfaces; K switch 2 actions, XOR circuit opens circuit.This moment, crawler belt assembly pulley 5 tilted to consistently with the slope of stairs, and XOR circuit opens circuit, and car load dependence crawler belt assembly pulley 5 is slowly descending on stair, and the occupant keeps horizontal sitting posture.In this process, touching pulley 17 does not contact with stair.
In case front-wheel 9 is with after ground contacts, front-wheel 9 drives front-wheel lower whorl bars 22 and moves upward, and backguy 23 is lax; Front-wheel touch switch 25 moves once more, and double-throw relay and K switch 1 are moved once current reversal in the control circuit; Another road of XOR circuit is closed, and crawler belt assembly pulley hydraulic arm 7,1 elongation of trailing wheel hydraulic arm are slowly put down rear wheel bar 3 and crawler belt assembly pulley 5 simultaneously; Contact until the next touch switch 26 of touch panel 20 with limiting plate 8 front end wedge angles, K switch 2 actions, XOR circuit opens circuit.
Car load be the state of falling back upstairs the time, when the shake-up pulley of rearmost end 17 contacts with stair, pushes shake-up pulley touch switch 28 through shake-up pulley spring 29; Touch 28 actions of pulley touch switch once; Double-throw relay and K switch 1 are moved once, and the XOR circuit one road in the control circuit is closed, crawler belt assembly pulley hydraulic arm 7,1 withdrawal of trailing wheel hydraulic arm; Rear wheel bar 3 and crawler belt assembly pulley 5 are upwards slowly mentioned simultaneously; Contact until the upper touch switch 27 of touch panel 20 with limiting plate 8 lower surfaces, K switch 2 actions, XOR circuit opens circuit.This moment, crawler belt assembly pulley 5 tilted to consistently with the slope of stairs, and XOR circuit opens circuit, and car load dependence crawler belt assembly pulley 5 is slowly up on stair, and the occupant keeps horizontal sitting posture.In this process, touching pulley 17 keeps in touch with stair.
In case it is unsettled to touch pulley 17, touch pulley 17 pulling movable contact movable pulley springs 29, touch pulley touch switch 28 action once more; Double-throw relay and K switch 1 are moved once, current reversal in the control circuit, and another road of XOR circuit is closed; Crawler belt assembly pulley hydraulic arm 7,1 elongation of trailing wheel hydraulic arm; Rear wheel bar 3 and crawler belt assembly pulley 5 are slowly put down simultaneously, contact, K switch 2 actions until the next touch switch 26 of touch panel 20 with limiting plate 8 front end wedge angles; XOR circuit opens circuit, and trailing wheel contacts 4 with ground.
Above technical characterictic has constituted most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease inessential technical characterictic according to actual needs, satisfies the needs of different situations.
Claims (10)
1. can go up Wheel-chair downstairs voluntarily for one kind, comprise vehicle frame, be fixed on seat cushion, back cushion on the vehicle frame; Be installed in liftable crawler belt assembly pulley between front-wheel and trailing wheel, and, be provided with control circuit in the electric box in order to electric box and hydraulic arm that control crawler belt assembly pulley, trailing wheel go up and down; Whole identical with four lower limb side's chair shapes at vehicle frame, the rectangle seat ring that it comprises level vertically is fixed on preceding chair frame, the rear chair frame of seat ring front and back ends both sides; It is characterized in that: under seat ring, be fixed with electric box, the seat ring both sides are fixed with crawler belt assembly pulley hydraulic arm, and the seat ring rear end is fixed with the trailing wheel hydraulic arm; The hydraulic jack switch of crawler belt assembly pulley hydraulic arm, trailing wheel hydraulic arm is connected with the interior control circuit of electric box, and pro-chair frame lower end is equiped with on assembly pulley slide glass and the front-wheel takes turns bar, wheel bar lower slider socket front-wheel lower whorl bar on the front-wheel; Be equiped with front-wheel on the front-wheel lower whorl bar, be connected with front-wheel spring and backguy between wheel bar and front-wheel lower whorl bar on the front-wheel, backguy is connected with the front-wheel touch switch; Sliding plug has rear wheel bar in the rear chair frame, rear wheel bar lower end installing trailing wheel, and rear wheel bar is connected with the trailing wheel hydraulic arm is active; Between the front-wheel of both sides and trailing wheel, be equiped with the crawler belt assembly pulley, crawler belt assembly pulley front end is connected with the assembly pulley slide glass is active, crawler belt assembly pulley postmedian and active connection of crawler belt assembly pulley hydraulic arm; Crawler belt assembly pulley rear portion is equiped with touches the pulley rotating shaft; Install on it and touch pulley, touch to be equiped with in the pulley rotating shaft and touch the pulley spring, touch the pulley spring and be connected with shake-up pulley touch switch; Be provided with touch panel in crawler belt assembly pulley front portion; Be provided with the acclivitous limiting plate in rear portion directly over the touch panel, the front end of limiting plate is a wedge angle, is provided with the next touch switch, upper touch switch respectively in the lower surface of wedge angle and the place, lower surface of limiting plate.
2. the Wheel-chair that can upward go downstairs voluntarily as claimed in claim 1; It is characterized in that: control circuit comprises an XOR circuit, and the double-throw relay K parallelly connected with XOR circuit, and trailing wheel hydraulic arm, crawler belt assembly pulley hydraulic arm are connected with XOR circuit; Double-throw relay K and motor in series; And with the front-wheel touch switch, touch the pulley touch switch and connect, the front-wheel touch switch includes two double-point double-throw switch K1, K2 with to touch the pulley touch switch parallelly connected in the XOR circuit; Before two K switch 1, K2, be in series with relay; Relay before the K switch 1 is connected with front-wheel touch switch, shake-up pulley touch switch, and the relays before the K switch 2 are connected with upper touch switch, the next touch switch, and upper touch switch is parallelly connected with the next touch switch.
3. as claimed in claim 1ly can be voluntarily go up Wheel-chair downstairs, it is characterized in that: the chair framves are axis of symmetry with center line before and after the seat ring before two, preceding chair frame middle part respectively with two welded corner joints of seat ring front side; The upwards bending backward of chair frame top forms arm-rest frame before two, the bending forward downwards of two preceding chair frame bottoms; Form footrest frame, be welded with wheel bar and assembly pulley slide glass on the front-wheel bottom, socket front-wheel lower whorl bar under the wheel bar on the front-wheel at footrest frame; Be connected with the front-wheel spring between the two, on front-wheel lower whorl bar, be equiped with the front-wheel rotating shaft, install front-wheel in the front-wheel rotating shaft; Be respectively arranged with fixing point on wheel bar and the front-wheel lower whorl bar on the front-wheel, backguy one end is fixed on the fixed point of front-wheel lower whorl bar, and the other end is connected with the front-wheel touch switch; Backguy is wrapped with rubber sleeve, and rubber sleeve is fixed on the fixed point of wheel bar on the front-wheel.
4. as claimed in claim 1ly can be voluntarily go up Wheel-chair downstairs, it is characterized in that: two rear chair frames are axis of symmetry with center line before and after the seat ring, the lower end of rear chair frame respectively with two welded corner joints of seat ring front side; Rear chair frame is the cavity pipe, on the rear chair frame tube wall, has groove, and the rear chair frame upper end is bent to form backward and pushes away handle; In rear chair frame, be plugged with rear wheel bar; Hind axle is horizontally fixed on the rear wheel bar lower end, and trailing wheel is installed on the hind axle, is fixed with the connecting rod of level on the rear wheel bar bar wall; This connecting rod is slidingly connected in the groove of rear chair frame, with active connection of trailing wheel hydraulic arm that is fixed on the seat ring rear end.
5. as claimed in claim 1ly can be voluntarily go up Wheel-chair downstairs, it is characterized in that: between the front-wheel of both sides and trailing wheel, be equiped with two groups of crawler belt assembly pulleys, the crawler belt assembly pulley comprise be installed in before the gear and the driving pulley of axillare both sides; And be installed in the shake-up pulley on the axillare of back, and the change speed gear box of driven wheel and motor, have symmetric axis hole on the pro-axillare; Be provided with rotary gear shaft in the axis hole, preceding axillare is stretched out in said rotary gear shaft outside, and is equiped with driving pulley; Be equiped with gear on the rotary gear shaft between preceding axillare, gear and driving pulley interlock are at the gear upside; Be laid with screw rod along preceding axillare length direction, screw rod and each gears engaged, screw rod one end and the interlock of change speed gear box power output shaft; The other end is connected with the assembly pulley slide glass is active, and change speed gear box is by driven by motor, and motor is fixed between two groups preceding axillare; Front portion before two groups between axillare also is fixed with touch panel, and the long slab rear end in the pro-axillare outside is connected with the back axillare through bolt, on the axillare of back, has axis hole; Axis hole is installed with the rotating shaft of shake-up pulley in being, on the back axillare above the said axis hole, is fixed with and touches the pulley touch switch, touches the pulley touch switch and touch to be connected with shake-up pulley spring between the pulley rotating shaft; In the rotating shaft of shake-up pulley, be equiped with the shake-up pulley, touch pulley and driving pulley and form assembly pulley, cover crawler belt on it; Driving pulley drives through crawler belt and touches pulley rotating, and the shake-up pulley exposure of rearmost end is outside the vehicle frame of back.
6. the Wheel-chair that can upward go downstairs voluntarily as claimed in claim 5, it is characterized in that: rotary gear shaft outer end foremost is installed on the assembly pulley slide glass, and the crawler belt assembly pulley is the center of circle with this rotary gear shaft.
7. as claimed in claim 5ly can be voluntarily go up Wheel-chair downstairs, it is characterized in that: the back axillare is the state of being inclined upwardly, and its angle and limiting plate with horizontal plane is identical with horizontal plane angle, or is 30 degree, or is 40 to spend, or is 50 to spend, or is 60 to spend.
8. the Wheel-chair that can upward go downstairs voluntarily as claimed in claim 5, it is characterized in that: preceding axillare is made up of two long slabs, and it is laid between the front-wheel and trailing wheel of chair frame both sides, the postmedian of preceding axillare and active connection of crawler belt assembly pulley hydraulic arm.
9. the Wheel-chair that can upward go downstairs voluntarily as claimed in claim 5, it is characterized in that: the touch panel upper surface is a horizontal plane, and is higher than the screw rod upper surface.
10. the Wheel-chair that can upward go downstairs voluntarily as claimed in claim 5 is characterized in that: the axis hole sectional area on the axillare of said back is greater than the sectional area that touches the pulley rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110205446A CN102327164A (en) | 2011-07-21 | 2011-07-21 | Wheelchair capable of automatically going upstairs and downstairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110205446A CN102327164A (en) | 2011-07-21 | 2011-07-21 | Wheelchair capable of automatically going upstairs and downstairs |
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| CN102327164A true CN102327164A (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110205446A Pending CN102327164A (en) | 2011-07-21 | 2011-07-21 | Wheelchair capable of automatically going upstairs and downstairs |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102641190A (en) * | 2012-05-15 | 2012-08-22 | 山东理工大学 | Wheel chair travelling mechanism capable of automatically adapting to road condition |
| CN103961228A (en) * | 2013-01-24 | 2014-08-06 | 汤以润 | Method and equipment for enabling wheelchair to go up and down stairs |
| CN104287910A (en) * | 2014-11-03 | 2015-01-21 | 无锡新人居科贸有限公司 | Nursing wheelchair for old people |
| CN105877939A (en) * | 2016-03-30 | 2016-08-24 | 张家港市新菲乐医疗设备有限公司 | Automatic stair climbing chair |
| CN105877938A (en) * | 2014-11-24 | 2016-08-24 | 周广刚 | Antiskid device for electric stair climbing wheelchair |
| CN111547145A (en) * | 2020-05-26 | 2020-08-18 | 北京联博达科技有限公司 | Multi-mode driving crawler-type electric carrying device and method |
| CN112842721A (en) * | 2021-01-06 | 2021-05-28 | 何经健 | Electric wheelchair convenient for going upstairs and downstairs |
| CN118512311B (en) * | 2024-05-11 | 2024-11-19 | 中山小神童创新科技有限公司 | Stair climbing wheelchair with distance detection and contact switch |
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| CN202154808U (en) * | 2011-07-21 | 2012-03-07 | 郭广乾 | Wheel chair capable of going upstairs and downstairs by itself |
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| CN102641190A (en) * | 2012-05-15 | 2012-08-22 | 山东理工大学 | Wheel chair travelling mechanism capable of automatically adapting to road condition |
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| CN105877939A (en) * | 2016-03-30 | 2016-08-24 | 张家港市新菲乐医疗设备有限公司 | Automatic stair climbing chair |
| CN111547145A (en) * | 2020-05-26 | 2020-08-18 | 北京联博达科技有限公司 | Multi-mode driving crawler-type electric carrying device and method |
| 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 |
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Application publication date: 20120125 |