CN104644354B - A kind of wheelchair of energy stair activity - Google Patents
A kind of wheelchair of energy stair activity Download PDFInfo
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- CN104644354B CN104644354B CN201510095887.1A CN201510095887A CN104644354B CN 104644354 B CN104644354 B CN 104644354B CN 201510095887 A CN201510095887 A CN 201510095887A CN 104644354 B CN104644354 B CN 104644354B
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- stair
- bar shaped
- wheel
- connector
- wheelchair
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Abstract
The invention discloses the wheelchair of a kind of energy stair activity, including wheel carrier, wheel top of support is provided with seat, wheel carrier includes the bar shaped support that two horizontal parallel are arranged, the two ends being provided with link and link inside two bar shaped supports are connected with bar shaped support respectively, the electric walking travelling wheel of walking it is respectively provided with outside two ends before and after bar shaped support, the frame lower limb extended straight down it is respectively equipped with on the lower surface of bar shaped support rear and front end, the stair crawling device parallel with bar shaped support it is additionally provided with between two frame lower limbs, before and after stair crawling device, two ends are provided with nonrigid connector and are connected with frame lower limb respectively, stair crawling device is provided with multiple stair climbing wheel for stair of creeping along the longitudinal direction, the minimum point of stair climbing wheel is higher than the minimum point of electric walking travelling wheel.Present configuration is simple, and easy to operate, cost of manufacture is cheap, it is possible to stair activity, good stability smoothly, can prevent wheelchair from overturning, and the most also has the advantage that climbing efficiency is high.
Description
Technical field
The present invention relates to a kind of wheelchair, be specifically related to the wheelchair of a kind of energy stair activity.
Background technology
Wheelchair is not only elderly and infirm and the walking-replacing tool of limbs the disabled, it is often more important that make them carry out physical exercise by means of wheelchair and participate in social activity.But, traditional wheelchair is mostly and can only travel on level land, and not across entablement rank, the such obstacle of threshold, more can not speeling stairway, therefore the range of activity of wheelchair user is very restricted.In order to solve the problems referred to above, preferably show loving care for old people and the trip of people with disability, except the accessibility designs of various public constructions, also add the use function of wheelchair so that it is have both level land and travel and the function of stair activity.
In recent years, the walk help system of speeling stairway is all conducted in-depth research by many companies both domestic and external, university and research institution, it was also proposed that respective product or solution.Although can directly relying on the direct cat ladder of wheel chair wheel, but stair activity jolt very much, and wheelchair being also easy to overturn.Current modal scheme uses crawler type walking mechanism exactly, takes turns before and after directly replacing wheelchair with crawler belt, crawler belt and wheelchair one, uses the crawler belt of two similar tanks, has full landform locomotor activity.Caterpillar advantage is simple to operate, and transmission efficiency is higher, and sufficiently long crawler belt can avoid wheelchair to tumble.During stair activity, stable movement, comfortableness is good.But owing to the linear contact lay of crawler belt Yu the edge of stair to bear the power of all vertical direction, crawler belt to provide high coefficient of friction to keep balance, and this all proposes high requirement to coefficient of friction, endurance and the abrasive resistance of track material.Additionally, track structure often weight and size is relatively big, and for the highest stair of Wooden stair or other intensity, stair itself can be caused serious destruction by the crawler belt frictional force when climbing.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved is: how to provide a kind of simple in construction, processing ease, cost of manufacture is cheap, stair activity steadily reliable wheelchair.
In order to solve above-mentioned technical problem, present invention employs following technical scheme:
A kind of wheelchair of energy stair activity, including wheel carrier, wheel top of support is provided with seat, described wheel carrier includes the bar shaped support that two horizontal parallel are arranged, the two ends being provided with link and link inside two described bar shaped supports are connected with described bar shaped support respectively, the electric walking travelling wheel of walking it is respectively provided with outside two ends before and after described bar shaped support, it is respectively equipped with, on the lower surface of described bar shaped support rear and front end, the frame lower limb extended straight down, it is additionally provided with the stair crawling device parallel with described bar shaped support between two described frame lower limbs, before and after stair crawling device, two ends are provided with nonrigid connector and are connected with described frame lower limb respectively, described stair crawling device is provided with multiple stair climbing wheel for stair of creeping along the longitudinal direction, the minimum point of stair climbing wheel is higher than the minimum point of described electric walking travelling wheel.
In the present invention, have level road walking and two kinds of functions of stair activity concurrently simultaneously.During level road walking, because stair climbing wheel is higher than electric walking travelling wheel, realized the walking of level road by electric walking travelling wheel；Under the pattern of going upstairs, electric walking travelling wheel first can stairs, but owing to often walking one platform of existence between stair, when the electric walking travelling wheel of wheelchair front end stepped step edge and climbed up first step step, step edge will touch the stair climbing wheel on stair crawling device, and stair of creeping smoothly under the auxiliary of stair climbing wheel, slow down the jolting of dipping and heaving of wheelchair, avoid and overturn, additionally under the pattern of going downstairs, have employed identical reason, wheelchair can be made the most reliable when going downstairs.Opposing tracks formula wheelchair, its simple in construction, processing ease, with low cost, it is to avoid stair edge is caused damage.
nullAs optimization，Stair crawling device includes the connector that multiple length along the longitudinal direction and is arranged along same centrage，The end of adjacent two described connector length directions is vertically hingedly connected to one another by cat ladder wheel shaft，It is provided with actuating device I between two adjacent described cat ladder wheel shafts and is coordinated by actuating device I transmission，The hinged end of described connector is additionally provided with for limiting the block that the adjacent one end of adjacent connector is rotated up，Interlock along described stair crawling device both sides and be provided with multiple stair climbing wheel，And stair climbing wheel is separately mounted to cat ladder wheel shaft and extends the outer end of connector，The end of described frame lower limb is provided with the through hole along described bar shaped stent length direction，Described nonrigid connector is included on the described connector at described stair crawling device two ends the one end away from adjacent described connector and is provided with and stretches out along described connector centerline direction and through the pole of described through hole，The sleeve pipe being slidably matched with described pole it is arranged with on pole，The end thread of described pole connects to be had for preventing pole from skidding off the nut of described sleeve pipe，It is arranged with spring on pole between described sleeve pipe and described nut，The two ends of spring are connected with described nut with described sleeve pipe respectively，The outer surface of sleeve pipe is diametrically provided with the rotating shaft stretching out and passing described through-hole wall along described sleeve pipe，Rotating shaft is rotatably assorted with described frame lower limb.When step edge touches the stair climbing wheel on stair crawling device, and the connector on stair crawling device is by after the step active force to stair climbing wheel, the connector hinged place being adjacent will raise up, pole on the connector at stair crawling device two ends will be to medial movement simultaneously, and connector is retrained by the upper spring of pole simultaneously, there is provided counteracting force for the stair climbing wheel on connector, make that stair climbing wheel is more enough to be acted on step and step of creeping smoothly.Additionally stair crawling device includes multiple connector, and stair crawling device is entirety undulate when creeping stair, makes the stair climbing wheel on connector can contact with step, preferably provides a supporting role, so that wheelchair is more steadily reliable when going upstairs.Additionally the people of different weight is when using wheelchair, it is different that step acts on the degree of deformation on connector, the size of spring force is adjusted by regulating nut distance on pole, and then the degree of connector deformation can be controlled, meet the Man's Demands to different weight, be that stair activity is more steady.
As optimization, the two ends being provided with motor mounting platform and motor mounting platform between two described stair crawling devices are connected with described stair crawling device respectively, described motor mounting platform is provided with driving motor I and tumbler II, described driving motor I is coordinated with any described stair climbing wheel through-drive by tumbler II, described bushing outer surface is provided with the sensor I of the spacing change for detecting described sleeve pipe and described nut and for controlling the controller I driving motor I to run, and described sensor I electrically connects with described controller I.When the electric walking travelling wheel of wheelchair front end stepped step edge and climbed up first step step, step edge will touch the stair climbing wheel on stair crawling device, and the connector on stair crawling device is by after the step active force to stair climbing wheel, the connector hinged place being adjacent will raise up, pole on the connector at stair crawling device two ends will be to medial movement simultaneously, sensor I detects between sleeve pipe and nut after Distance Shortened simultaneously, signal is sent to controller I, after controller I receives signal, control to drive motor I to run, thus drive stair climbing wheel to rotate auxiliary wheelchair stair activity.
nullAs optimization，Described link is arranged over the screw rod be arrangeding in parallel with described bar shaped support，Before and after screw rod, two ends are provided with that the bearing being rotatably assorted with it and rest base and link are fixing to be connected，The driving motor II for driving described screw rod to rotate it is additionally provided with on any described bearing，Described seat includes the base coordinated with described bar shaped bracket slide，The bottom of base is provided with the swivel nut coordinated with described screw flight，Along described bar shaped support, radially and level of relative is provided with two bracing frames to described base upper surface，It is provided with seat support between two support frames as described above，The two ends, left and right of seat support have been horizontally disposed with support shaft respectively and have been rotatably assorted with support frame as described above，The sensor II for detecting the change of described seat rotating it is provided with and for controlling the controller II driving motor II and driving motor I to run simultaneously inside support frame as described above，Described sensor II electrically connects with described controller II.Under wheelchair is in the pattern of going upstairs, wheelchair is in an acclivitous state, and the seat support on wheelchair and bracing frame use and be articulated and connected, seat support remains vertical state under the impression of gravity, makes the people being sitting on seat support will not throw because wheelchair state changes.Simultaneously, after sensor II inside bracing frame detects seat rotating, signal is sent to controller II, after controller II receives signal, control to drive motor II and drive the operation of motor I to drive the rotation of screw rod and stair climbing wheel, so control stair climbing wheel creep on step and the reach of base or after move.And under the pattern of going upstairs, seat support is to rotate backward relative to wheelchair, drive motor II to control pedestal forward lead, make the center of gravity deflection front end of whole wheelchair, wheelchair so can be avoided rearward to overturn when going upstairs.In like manner, when wheelchair is under the pattern of going downstairs, seat support is to rotate forward relative to wheelchair, moves after seat, makes the center of gravity deflection rear end of whole wheelchair.
As optimization, described bar shaped rack upper surface is provided with the gathering sill along described bar shaped stent length direction, and described base is provided with the guide pad being slidably matched with described gathering sill.Make base during reach or rear shifting, more steadily reliably, make the people being sitting on wheelchair feel more comfortable.
In sum, the beneficial effects of the present invention is: present configuration is simple, and easy to operate, cost of manufacture is cheap, it is possible to stair activity, good stability smoothly, can prevent wheelchair from overturning, the most also there is the advantage that climbing efficiency is high.
Accompanying drawing explanation
In order to make the purpose of invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the truck parts structural representation of the present invention；
Fig. 3 is enlarged diagram at A in Fig. 2；
Fig. 4 is present invention schematic diagram when going upstairs.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings.
nullAs shown in Figures 1 to 4，The wheelchair of a kind of energy stair activity in this detailed description of the invention，Including wheel carrier，Wheel top of support is provided with seat，Described wheel carrier includes the bar shaped support 1 that two horizontal parallel are arranged，The two ends being provided with link 2 and link 2 inside two described bar shaped supports 1 are connected with described bar shaped support 1 respectively，The electric walking travelling wheel 3 of walking it is respectively provided with outside two ends before and after described bar shaped support 1，It is respectively equipped with, on the lower surface of described bar shaped support 1 rear and front end, the frame lower limb 4 extended straight down，It is additionally provided with the stair crawling device parallel with described bar shaped support 1 between two described frame lower limbs 4，Before and after stair crawling device, two ends are provided with nonrigid connector and are connected with described frame lower limb 4 respectively，Described stair crawling device is provided with multiple stair climbing wheel 8 for stair of creeping along the longitudinal direction，The minimum point of stair climbing wheel 8 is higher than the minimum point of described electric walking travelling wheel 3.
nullIn this detailed description of the invention，Stair crawling device includes the connector 6 that multiple length along the longitudinal direction and is arranged along same centrage，The end of adjacent two described connector 6 length directions is vertically hingedly connected to one another by cat ladder wheel shaft，It is provided with actuating device I between two adjacent described cat ladder wheel shafts and is coordinated by actuating device I transmission，The hinged end of described connector 6 is additionally provided with for limiting the block that adjacent adjacent one end of connector 6 is rotated up，Interlock along described stair crawling device both sides and be provided with multiple stair climbing wheel 8，And stair climbing wheel 8 is separately mounted to cat ladder wheel shaft and extends the outer end of connector，The end of described frame lower limb 4 is provided with the through hole 5 along described bar shaped stent length direction，Described nonrigid connector is included on the described connector 6 at described stair crawling device two ends the one end away from adjacent described connector 6 and is provided with and stretches out along described connector 6 centerline direction and through the pole 9 of described through hole 5，The sleeve pipe 10 being slidably matched with described pole 9 it is arranged with on pole 9，The end thread of described pole 9 connects to be had for preventing pole 9 from skidding off the nut 11 of described sleeve pipe 10，It is arranged with spring 12 on pole 9 between described sleeve pipe 10 and described nut 11，The two ends of spring 12 are connected with described nut 11 with described sleeve pipe 10 respectively，The outer surface of sleeve pipe 10 is diametrically provided with the rotating shaft stretching out and passing described through hole 5 inwall along described sleeve pipe 10，Rotating shaft is rotatably assorted with described frame lower limb 4.
In this detailed description of the invention, the two ends being provided with motor mounting platform and motor mounting platform between two described stair crawling devices are connected with described stair crawling device respectively, described motor mounting platform is provided with driving motor I 13 and tumbler II, described driving motor I 13 is coordinated with any described stair climbing wheel through-drive by tumbler II, described sleeve pipe 10 outer surface is provided with the sensor I of the spacing change for detecting described sleeve pipe 10 and described nut 11 and for controlling the controller I driving motor I 13 to run, described sensor I electrically connects with described controller I.During implementing, in order to preferably control the traveling of wheelchair, the handrail of seat support arranges action bars to control the operation of electric walking travelling wheel 3, except allowing in addition to wheelchair linear running, it is also possible to control the rotating speed of different electric walking travelling wheel 3 to reach the purpose turned to.
nullIn this detailed description of the invention，Described link 2 is arranged over the screw rod 14 be arrangeding in parallel with described bar shaped support 1，Before and after screw rod 14, two ends are provided with fixing with link 2 bottom the bearing 15 and bearing 15 being rotatably assorted with it connection，The driving motor II 16 for driving described screw rod 14 to rotate it is additionally provided with on any described bearing 15，Described seat includes the base 17 being slidably matched with described bar shaped support 1，The bottom of base 17 is provided with and the swivel nut of described screw rod 14 threaded engagement，Along described bar shaped support 1, radially and level of relative is provided with two bracing frames 18 to described base 17 upper surface，It is provided with seat support 7 between two support frames as described above 18，The two ends, left and right of seat support 7 have been horizontally disposed with support shaft respectively and have been rotatably assorted with support frame as described above 18，The sensor II for detecting the change of described seat rotating it is provided with and for controlling the controller II driving motor II 16 and driving motor I to run simultaneously inside support frame as described above 18，Described sensor II electrically connects with described controller II.
In this detailed description of the invention, described bar shaped support 1 upper surface is provided with the gathering sill along described bar shaped support 1 length direction, and described base 17 is provided with the guide pad being slidably matched with described gathering sill.
Finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, although by referring to the preferred embodiments of the present invention, invention has been described, but it will be understood by those within the art that, in the form and details it can be made various change, the spirit and scope of the present invention limited without departing from appended claims.
Claims (4)
1. the wheelchair of an energy stair activity, including wheel carrier, wheel top of support is provided with seat, it is characterized in that: described wheel carrier includes the bar shaped support that two horizontal parallel are arranged, the two ends being provided with link and link inside two described bar shaped supports are connected with described bar shaped support respectively, the electric walking travelling wheel of walking it is respectively provided with outside two ends before and after described bar shaped support, it is respectively equipped with, on the lower surface of described bar shaped support rear and front end, the frame lower limb extended straight down, it is additionally provided with the stair crawling device parallel with described bar shaped support between two described frame lower limbs, before and after stair crawling device, two ends are provided with nonrigid connector and are connected with described frame lower limb respectively, described stair crawling device is provided with multiple stair climbing wheel for stair of creeping along the longitudinal direction, the minimum point of stair climbing wheel is higher than the minimum point of described electric walking travelling wheel；
nullStair crawling device includes the connector that multiple length along the longitudinal direction and is arranged along same centrage，The end of adjacent two described connector length directions is vertically hingedly connected to one another by cat ladder wheel shaft，It is provided with actuating device I between two adjacent described cat ladder wheel shafts and is coordinated by actuating device I transmission，The hinged end of described connector is additionally provided with for limiting the block that the adjacent one end of adjacent connector is rotated up，Interlock along described stair crawling device both sides and be provided with multiple stair climbing wheel，And stair climbing wheel is separately mounted to cat ladder wheel shaft and extends the outer end of connector，The end of described frame lower limb is provided with the through hole along described bar shaped stent length direction，Described nonrigid connector is included on the described connector at described stair crawling device two ends the one end away from adjacent described connector and is provided with and stretches out along described connector centerline direction and through the pole of described through hole，The sleeve pipe being slidably matched with described pole it is arranged with on pole，The end thread of described pole connects to be had for preventing pole from skidding off the nut of described sleeve pipe，It is arranged with spring on pole between described sleeve pipe and described nut，The two ends of spring are connected with described nut with described sleeve pipe respectively，The outer surface of sleeve pipe is diametrically provided with the rotating shaft stretching out and passing described through-hole wall along described sleeve pipe，Rotating shaft is rotatably assorted with described frame lower limb.
The wheelchair of a kind of energy stair activity the most according to claim 1, it is characterized in that: the two ends being provided with motor mounting platform and motor mounting platform between two described stair crawling devices are connected with described stair crawling device respectively, described motor mounting platform is provided with driving motor I and tumbler II, described driving motor I is coordinated with any described stair climbing wheel through-drive by tumbler II, described bushing outer surface is provided with the sensor I of the spacing change for detecting described sleeve pipe and described nut and for controlling the controller I driving motor I to run, described sensor I electrically connects with described controller I.
nullThe wheelchair of a kind of energy stair activity the most according to claim 1，It is characterized in that: described link is arranged over the screw rod be arrangeding in parallel with described bar shaped support，Before and after screw rod, two ends are provided with that the bearing being rotatably assorted with it and rest base and link are fixing to be connected，The driving motor II for driving described screw rod to rotate it is additionally provided with on any described bearing，Described seat includes the base coordinated with described bar shaped bracket slide，The bottom of base is provided with the swivel nut coordinated with described screw flight，Along described bar shaped support, radially and level of relative is provided with two bracing frames to described base upper surface，It is provided with seat support between two support frames as described above，The two ends, left and right of seat support have been horizontally disposed with support shaft respectively and have been rotatably assorted with support frame as described above，The sensor II for detecting the change of described seat rotating it is provided with and for controlling the controller II driving motor II and driving motor I to run simultaneously inside support frame as described above，Described sensor II electrically connects with described controller II.
The wheelchair of a kind of energy stair activity the most according to claim 3, it is characterised in that: described bar shaped rack upper surface is provided with the gathering sill along described bar shaped stent length direction, and described base is provided with the guide pad being slidably matched with described gathering sill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095887.1A CN104644354B (en) | 2015-03-04 | 2015-03-04 | A kind of wheelchair of energy stair activity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095887.1A CN104644354B (en) | 2015-03-04 | 2015-03-04 | A kind of wheelchair of energy stair activity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104644354A CN104644354A (en) | 2015-05-27 |
| CN104644354B true CN104644354B (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510095887.1A Expired - Fee Related CN104644354B (en) | 2015-03-04 | 2015-03-04 | A kind of wheelchair of energy stair activity |
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| Country | Link |
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| CN (1) | CN104644354B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4840394A (en) * | 1988-04-21 | 1989-06-20 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Articulated suspension system |
| CN2154677Y (en) * | 1993-05-10 | 1994-02-02 | 高金星 | Wheelchair |
| CA2120631C (en) * | 1994-04-06 | 2000-02-15 | Gyula Csotonyi | Power driven wheel chair |
| CN2232384Y (en) * | 1995-12-29 | 1996-08-07 | 王绍君 | Multipurpose barrow cabable of going upstairs and downstairs |
| CA2227955A1 (en) * | 1998-04-06 | 1999-10-06 | Gabriel Dallaire | Isard the climber |
| CN2472699Y (en) * | 2001-03-29 | 2002-01-23 | 于文麒 | Wheeled chair capable of climbing stairs |
| CN2489756Y (en) * | 2001-06-18 | 2002-05-08 | 杨博 | Wheel-chair |
| FR2956087B1 (en) * | 2010-02-05 | 2012-12-28 | New Live | OBSTACLE CROSSING DEVICE FOR ELECTRICAL WHEELCHAIR. |
| CN204446352U (en) * | 2015-03-04 | 2015-07-08 | 张志明 | The wheelchair of energy stair activity |
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2015
- 2015-03-04 CN CN201510095887.1A patent/CN104644354B/en not_active Expired - Fee Related
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| CN104644354A (en) | 2015-05-27 |
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