CN104800012B - Electrically powered wheelchair adjusting device based on computer instructions - Google Patents
Electrically powered wheelchair adjusting device based on computer instructions Download PDFInfo
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- CN104800012B CN104800012B CN201510197331.3A CN201510197331A CN104800012B CN 104800012 B CN104800012 B CN 104800012B CN 201510197331 A CN201510197331 A CN 201510197331A CN 104800012 B CN104800012 B CN 104800012B
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- seat
- vehicle frame
- upper frame
- frame
- wheelchair
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Abstract
The invention relates to a handicapped assistance apparatus and aims at solving the problem that the gradient of the existing wheelchair cannot be adjusted. The invention provides an electrically powered wheelchair adjusting device based on computer instructions. The electrically powered wheelchair adjusting device comprises a frame; a wheelchair comprises four wheels which are fixed to the frame and a seat which is fixed to the frame; the frame comprises an upper frame and a lower frame; the seat is fixed to the upper frame; the four wheels are fixed to the lower frame; the lower frame comprises arc-shaped components which enable the upper frame to slide along the lower frame to change the gradient of the seat. The adjusting device also comprises a gradient sensor which is fixed to the sensor and is used for detecting the gradient of the seat, a driving device which is fixed to the lower frame and is used for driving the upper frame to slide along the lower frame, and a controller; the controller is in signal communication with the sensor and the driving device; when the gradient of the seat exceeds the maximum limit value, the controller commands the driving device to drive the upper frame to slide along the arc-shaped components, and the upper frame and the seat recover the horizontal state, so that the gradient of the seat can be adjusted.
Description
Technical field
The present invention relates to disabled person's power assistive device, specifically provides a kind of electric wheelchair based on computer instruction and adjusts dress
Put.
Background technology
Wheelchair is widely used for helping disabled person's walking and movement., by Manual-pushing, itself is without drive for the wheelchair of early stage
Dynamic device.Now many electric wheelchairs are occurred in that, these electric wheelchairs carry out driving moment operating using motor, so that residual
Disease people can voluntarily move wheelchair, without other people help.However, existing electric wheelchair be present.Tool
For body, when disabled person oneself drives electric wheelchair upward slope or descending, the gradient of the wheelchair cannot be adjusted, in extreme feelings
This can cause wheelchair to overturn backward or tumble forward under condition, there is very big potential safety hazard.Therefore, this area needs a kind of new
Wheelchair is eliminating this potential safety hazard.
The content of the invention
Present invention seek to address that the above-mentioned problems in the prior art, specifically, present invention seek to address that existing wheel
The problem that the gradient of chair cannot be adjusted therefore may toppled in ascents and descents.For this purpose, the present invention provides a kind of base
In the electric wheelchair adjusting means of computer instruction.The electric wheelchair adjusting means based on computer instruction includes vehicle frame,
The wheelchair includes the multiple wheels for being fixed on bottom of frame and the seat being fixed at the top of vehicle frame, it is characterised in that the vehicle frame
Upper frame and lower vehicle frame including the connection that slides over each other, the seat is fixed to the top of the upper frame, the plurality of wheel
The bottom of the lower vehicle frame is fixed to, the lower vehicle frame includes the curvature identical of the fore-and-aft direction extension along the wheelchair at least
One arc component so that the upper frame can slide so as to change the upper frame and the seat along the lower vehicle frame
Gradient.Also, the electric wheelchair adjusting means is further included：Inclination sensor, it is fixed on the seat, is used
In the gradient for sensing the seat；Driving means, it is fixed on the lower vehicle frame, for driving the upper frame along described
Lower vehicle frame slides；And the controller based on computer instruction, itself and the inclination sensor and the driving means signal
Connect and be arranged on the seat or the upper frame or the lower vehicle frame；When what is received from the inclination sensor
When signal shows that the gradient of the seat exceedes threshold limit value, the controller sends to the driving means and instructs, order
The driving means drive the upper frame to slide along the arc component of the lower vehicle frame, so that the upper frame and the seat
Chair is returned to horizontality.The upper frame includes be connected to each other integral four piece bar, the top of the bar and the seat
Bottom be fixedly connected, the bottom of the bar is provided with sliding sleeve, and the sliding sleeve is slidably mounted at the lower vehicle frame
On arc component.The arc component is two arc supports being connected to each other, and described two arc supports are along the wheelchair
Fore-and-aft direction extends, and each arc support is both provided with two ends and each end and is respectively arranged with four wheels
In one.
In the preferred embodiment of aforementioned electric wheelchair adjusting means, each including in described two arc supports
Horizontally disposed crossbeam, the driving means are provided in four hydraulic cylinders on the crossbeam, and the front end of each crossbeam is with after
A hydraulic cylinder is respectively provided with end.The tune to the wheelchair gradient is made as inventive drive means using hydraulic cylinder
It is whole to become more reliable and easily control.
In the preferred embodiment of aforementioned electric wheelchair adjusting means, one end of the hydraulic cylinder is connected movably to institute
Crossbeam is stated, the other end of the hydraulic cylinder is connected movably to the upper frame.
In the preferred embodiment of aforementioned electric wheelchair adjusting means, also including per root in four bars is arranged on
The extension of the sliding sleeve bottom, each extension is connected with the driving means, and the driving means drive the extension
Portion is so that the upper frame and the seat slide along the lower vehicle frame.
In the preferred embodiment of aforementioned electric wheelchair adjusting means, the upper frame also includes four ribs, described
Being all permanently connected with a corresponding bar in four bars by its one end per root in four ribs, and described four
Being all fixedly connected with the bottom of the seat by its other end per root in rib.Rib and bar and the company of seat bottom three
Connect and define the very high triangular structure of stability, so as to the seat and the upper frame have obtained good reinforcing.
In the preferred embodiment of aforementioned electric wheelchair adjusting means, the upper frame, the lower vehicle frame, the rib
All it is made up of aluminium alloy with the crossbeam.These parts are made up of aluminium alloy so that wheelchair of the invention is very light, because
This is easier to by disabled person's Self-operating and required driving force is reduced.
Skilled addressee readily understands that, due to adopting said structure, the present invention in time to adjust wheelchair
Seat gradient, therefore avoid the problem that wheelchair may topple in ascents and descents.
Description of the drawings
Fig. 1 is the side view of the electric wheelchair adjusting means based on computer instruction of the invention, in the figure institute
Wheelchair is stated in horizontality.
Fig. 2 is another side view of the electric wheelchair adjusting means based on computer instruction of the invention, at this
Wheelchair described in figure is in upward slope state.
Fig. 3 is another side view of the electric wheelchair adjusting means based on computer instruction of the invention, at this
Wheelchair described in figure is in descending state.
Specific embodiment
Fig. 1 is the side view of the electric wheelchair adjusting means based on computer instruction of the invention, in the figure institute
Wheelchair is stated in horizontality.As shown in figure 1, the electric wheelchair adjusting means based on computer instruction includes vehicle frame, the wheelchair 1
Including four wheels 5 (due to the relation of viewing angle, two wheels 5 being illustrate only in Fig. 1) for being fixed on bottom of frame and
The seat 2 being fixed at the top of vehicle frame.It could be observed that seat 2 includes seat body 21 from Fig. 1；Vehicle frame is further included
Upper frame 3 and lower vehicle frame 4, upper frame 3 and lower vehicle frame 4 are connected to each other and can relative to each other slide.Seat body 21 is fixed
To the top of upper frame 3, four wheels 5 are fixed to the bottom of lower vehicle frame 4.Wheelchair 1 also includes inclination sensor 22, gradient
Sensor 22 is arranged in seat body 21 (be preferably provided in the bottom of seat body 21) and for sensing (the tool of seat 2
Body is seat body 21) gradient.Lower vehicle frame 4 include at least one (for example, including but not limited to 1,2,3,4,
5 or 6) arc component 41.In the preferred embodiment of Fig. 1, lower vehicle frame 4 includes being separately positioned on the left and right sides of wheelchair 1
Two arc components 41.Arc component 41 extends along the fore-and-aft direction of wheelchair 1 and in this direction curvature is identical.It is clearer and more definite
Ground say, the curvature values constant magnitude (curvature is not changed in) of the identical arch section for referring to the component of the curvature of arc component 41.
Further, upper frame 3 includes being sized and shaped to for the connector cooperated with arc component 41 and the connector
It is suitable to arc component 41 relative to each other to slide with the connector；Upper frame 3 is arranged on arc component 41 by the connector
And can slide on the arc component 41 along the fore-and-aft direction of wheelchair 1, so as to change upper frame 3 and seat 2 (specifically
Seat body 21) gradient.Preferably, arc component 41 is two arc supports 41 being connected to each other；Both connects each other
The main purpose for connecing is to help limit both absolute positions and relative position between the two, and this connection is not with any side
Formula affects the movement relative to each other of upper frame 3 and lower vehicle frame 4.Specifically, the two arc supports 41 are along the front and back of wheelchair 1
To extension；And each arc support 41 has 2 ends, and each end is respectively provided with 1 in four wheels.At one
In preferred embodiment, upper frame 3 includes being connected to each other integral four piece bar 32 (due to the relation of viewing angle, in Fig. 1 only
Show two bars 32), the top of every bar 32 is fixedly connected and per root with the bottom of seat 2 (specifically seat body 21)
The bottom of bar 32 is both provided with sliding sleeve 34.Sliding sleeve 34 is slidably mounted at 41 on the arc component of lower vehicle frame 4.Sliding sleeve 34
One kind side of implementing of the exactly previously described connector for being arranged in upper frame 3 and cooperating with arc component 41
Formula.It is of course also possible to realize this connector with other appropriate ways.It should be appreciated that herein referred with slidably
Mode is installed and refers to that both that be installed together can relative to each other slide.
In addition, adjusting means of the invention also includes driving means and the controller (accompanying drawing based on computer instruction
Not shown in).Driving means are fixed on lower vehicle frame 4 and for driving previously described upper frame 3 to slide relative to lower vehicle frame 4
Dynamic (in other words sliding sleeve 34 slides relative to arc component 41).Controller based on computer instruction and inclination sensor 22 and
The driving means signal communication and controller is arranged on in components described below part：Seat 2, upper frame 3 and get off
Frame 4.When the signal received from inclination sensor 22 shows that the gradient of seat body 21 exceedes threshold limit value, controller
Send to driving means and instruct, order driving means drive upper frame 3 to slide along the arc component of lower vehicle frame 4, make seat body
21 return to horizontality.As an example, the threshold limit value of above-mentioned gradient is generally between 10 ° to 30 ° and most preferably
It it is 20 °, concrete numerical value depends on the size of wheelchair, structure, user to factors such as the tolerances of heeling condition, and the numerical value
Can be arranged to voluntarily be adjusted by user.When inclination sensor 22 senses seat body 21 is returned to horizontality,
Sensor 22 transmits a signal to the controller based on computer instruction and sends the commands to order driving means by the controller
Stop drive actions, so that seat body 21 is maintained at horizontality.It should be appreciated that alleged by the present invention based on calculating
The controller of machine instruction refers to, the controller and be arranged at outside computer or be arranged on inside computer it is (for example, single
Piece machine) communicate control work of the connection such that it is able to the more preferable complete cheek with the help of computer.Preferably, aforementioned two
Horizontally disposed crossbeam 42 is each included in individual arc support 41, and driving means are provided in four on crossbeam 42
Hydraulic cylinder.Specifically, the front and rear of each crossbeam 42 are respectively provided with this four hydraulic cylinders.Such as will be in figure
It is clearly shown that in 2, hydraulic cylinder includes cylinder barrel 402, non-telescoping first end 401 and telescopic cylinder rod 403.First
End 401 includes the first joint that can be flexibly connected, and cylinder rod 403 including the second joint that can be flexibly connected.Cylinder barrel 402
With cylinder rod 403 can be moved relative to each other (that is, cylinder rod can shrink and be contained in cylinder barrel 402 also can major part stretch out
The cylinder barrel 402), it is achieved that the telescopic moving of the second joint of cylinder rod 403.The non-telescoping first end 401 of hydraulic cylinder
The first joint be connected movably to crossbeam and the second joint of telescopic cylinder rod 403 is connected movably to upper frame 3, lead to
The telescopic moving of the second joint of cylinder rod 403 is crossed driving upper frame 3, upper frame 3 is made in (the arc in other words of arc component 41
Frame 41) on slide.It should be pointed out that activity alleged by the present invention () connection refers to two parts of " activity () connection " each other
It is connected to each other but still is able to be moved relative to each other or rotate, " being movably connected with " is including but not limited to hinged and pivot joint；This
Bright alleged fixation () connection refers to that two parts of " fixed () connection " each other are connected to each other and can not be relative to that
This movement is rotated, " fixed () connection " include but is not limited to welding, riveting and bolting.Preferred embodiment
In, also including per root in four bars 32 is arranged on the extension 35 of the bottom of sliding sleeve 34, each extension 35 and driving means
It is connected.Driving means drive extension 35 so that upper frame 3 and seat 2 along lower vehicle frame 4- specifically along the arc of lower vehicle frame 4
Component 41 slides.In driving means are the situation of hydraulic cylinder, the connection is by by the cylinder rod 403 of extension 35 and hydraulic cylinder
The second joint be movably connected with to realize.In a preferred embodiment, upper frame 3 also includes four ribs 31.This four
Being all fixedly connected by an its one end bar corresponding with four bars 32 per root in rib 31, and this four rib 31
In be all fixedly connected with the bottom of seat 2 by its other end per root, so as to seat 2 (specifically seat body 21) and upper
Vehicle frame 3 is reinforced.
Referring next to Fig. 2 and Fig. 3, and Fig. 2 and Fig. 3 are being described in combination with Fig. 1 on the basis of being observed
The seat Slope angle adjustment process of wheelchair of the invention 1.Fig. 2 is the Electric Motor Wheel based on computer instruction of the invention
Another side view of chair adjusting means, in the figure the wheelchair is in upward slope state.Fig. 3 is of the invention based on meter
Another side view of the electric wheelchair adjusting means of calculation machine instruction, in the figure the wheelchair is in descending state.Such as Fig. 1 institutes
Show, wheelchair of the invention 1 is positioned on level ground and contacts ground to support the wheelchair 1 by its four wheels 5
Seat 2, upper frame 3 and lower vehicle frame 4 etc..Now, inclination sensor 22 sense seat body 21 in horizontality and
User can be comfortably seated in seat body 21, and driving means will not make drive actions, therefore seat body 21 keeps
In the horizontality.Preferably, certain hydraulic coupling can be kept in the driving means (specifically hydraulic cylinder) under horizontality,
So that seat 2 and upper frame 3 are more securely maintained at horizontality.As shown in Fig. 2 wheelchair of the invention 1 be positioned over to
On upper inclined ground, and also by its four wheels 5 contact ground to support seat 2, the upper frame 3 of the wheelchair 1
With lower vehicle frame 4 etc..State in the application by wheelchair in Fig. 21 on the acclivitous ground is referred to as upward slope state, institute in figure
The arrow parallel to ground for showing indicates the front line direction of wheelchair 1.Now, inclination sensor 22 is sensed at seat body 21
In the state of being inclined upwardly and user may feel that take and move after very uncomfortable and its center of gravity, it is serious in the case of the wheelchair 1
May backward be toppled (or overturning backward), and user is thrown into car.Therefore, now controller makes timely order-driven device
Drive actions, make seat body 21 be returned to its horizontality.Specifically, when controller is received from inclination sensor 22
Signal show the sweptback angle of seat 2 exceed threshold limit value-such as 20 degree when, controller is to the rear side hydraulic cylinder
Instruction is sent, the rear side Driven by Hydraulic Cylinder upper frame 3 is ordered along the forward slip of arc component 41 of lower vehicle frame 4, so that on
Vehicle frame 3 and seat 2 are returned to horizontality.Now, front side hydraulic cylinder with pressure release, or can only keep faint pressure, as long as
Can guarantee that upper frame 3 and seat 2 smoothly forward slip.As shown in figure 3, wheelchair of the invention 1 is positioned over downwards
On inclined ground, and also by its four wheels 5 contact ground to support seat 2, the and of upper frame 3 of the wheelchair 1
Lower vehicle frame 4 etc..State in the application by wheelchair in Fig. 31 on the downward-sloping ground is referred to as descending state, shown in figure
Parallel to ground arrow indicate wheelchair 1 front line direction.Similarly, now inclination sensor 22 senses seat body
21 may feel that in downward-sloping state and user and take very uncomfortable and its center of gravity reach, it is serious in the case of should
Wheelchair 1 may topple forward (or tumbling forward), and user is thrown into car.Therefore, now controller fills timely order-driven
Put and make drive actions, make seat body 21 be returned to its horizontality.Specifically, when controller is from inclination sensor 22
When the signal for receiving shows that the angle that seat 2 turns forward exceedes threshold limit value-such as 20 degree, controller is to the front side
Hydraulic cylinder sends instruction, orders the front side Driven by Hydraulic Cylinder upper frame 3 to slide backward along the arc component 41 of lower vehicle frame 4, from
And make upper frame 3 and seat 2 be returned to horizontality.Now, rear side hydraulic cylinder with pressure release, or can only keep faint pressure
Power, as long as can guarantee that upper frame 3 and seat 2 are smoothly slided backward.Although the wheelchair 1 in Fig. 2 and Fig. 3 is placed on leaning forward
Or on the ground of hypsokinesis, but its seat body 21 is in horizontality through position adjustment.In addition, it is also appreciated that,
No matter wheelchair of the invention 1 be positioned on level ground be also disposed on wheelchair 1 in go up a slope or descending state it is non-aqueous
On plane earth, as long as inclination sensor 22 senses seat body 21, and in non-standard state, (that is, gradient exceedes maximum limit
Value) controller drives upper frame 3 with regard to order-driven device, and therefore drive seat body 21 to be returned to its horizontality.Separately
Outward, it is preferable that upper frame 3, lower vehicle frame 4 and rib 31 and crossbeam 42 are all made up of the aluminium alloy of Portable durable.
So far, technical scheme is described already in connection with preferred embodiment shown in the drawings, but, this area
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
On the premise of the principle of invention, those skilled in the art can make the change or replacement of equivalent to correlation technique feature.
Claims (3)
1. a kind of electric wheelchair adjusting means based on computer instruction includes vehicle frame, and the wheelchair includes being fixed on bottom of frame
Multiple wheels and the seat being fixed at the top of vehicle frame,
Characterized in that, the vehicle frame includes the slide over each other upper frame and lower vehicle frame of connection, the seat is fixed on described
The top of vehicle frame, the plurality of wheel is fixed to the bottom of the lower vehicle frame, and the lower vehicle frame is included before and after the wheelchair
The arc component of curvature identical at least one that direction extends so that the upper frame can slide so as to change along the lower vehicle frame
Become the gradient of the upper frame and the seat；And
The electric wheelchair adjusting means is further included：
Inclination sensor, it is fixed on the seat, for sensing the gradient of the seat；
Driving means, it is fixed on the lower vehicle frame, for driving the upper frame to slide along the lower vehicle frame；And
Based on the controller of computer instruction, it is with the inclination sensor and the driving means signal communication and arranges
On the seat or the upper frame or the lower vehicle frame；When the signal received from the inclination sensor shows described
When the gradient of seat exceedes threshold limit value, the controller sends to the driving means and instructs, and orders the driving means
The upper frame is driven to slide along the arc component of the lower vehicle frame, so that the upper frame and the seat are returned to level
State,
The upper frame includes the integral four piece bar that is connected to each other, and the top of the bar is fixed with the bottom of the seat and connected
Connect, the bottom of the bar is provided with sliding sleeve, and the sliding sleeve is slidably mounted on the arc component of the lower vehicle frame,
The arc component is two arc supports being connected to each other, fore-and-aft direction of described two arc supports along the wheelchair
Extend, each arc support is both provided with two ends and each end be respectively arranged with the plurality of wheel one
It is individual,
Horizontally disposed crossbeam is each included in described two arc supports, the driving means are provided in the crossbeam
On four hydraulic cylinders, the front and rear of each crossbeam are respectively provided with a hydraulic cylinder；
One end of the hydraulic cylinder is connected movably to the crossbeam, and the other end of the hydraulic cylinder is connected movably on described
Vehicle frame；
Also including per root in four bars is arranged on the extension of the sliding sleeve bottom, each extension and the driving
Device is connected, and the driving means drive the extension so that the upper frame and the seat are slided along the lower vehicle frame
It is dynamic.
2. electric wheelchair adjusting means according to claim 1, it is characterised in that the upper frame also includes four ribs
Bar, being all permanently connected with a corresponding bar in four bars by its one end per root in four rib, and
Being all fixedly connected with the bottom of the seat by its other end per root in four rib, so as to the seat and institute
State upper frame to be reinforced.
3. electric wheelchair adjusting means according to claim 2, it is characterised in that the upper frame, the lower vehicle frame, institute
State rib and the crossbeam is all made up of aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510197331.3A CN104800012B (en) | 2015-04-23 | 2015-04-23 | Electrically powered wheelchair adjusting device based on computer instructions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510197331.3A CN104800012B (en) | 2015-04-23 | 2015-04-23 | Electrically powered wheelchair adjusting device based on computer instructions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104800012A CN104800012A (en) | 2015-07-29 |
| CN104800012B true CN104800012B (en) | 2017-05-10 |
Family
ID=53685519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510197331.3A Active CN104800012B (en) | 2015-04-23 | 2015-04-23 | Electrically powered wheelchair adjusting device based on computer instructions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104800012B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105213119B (en) * | 2015-09-30 | 2017-06-16 | 河南科技大学 | A kind of stair-climbing wheel chair |
| CN106580577B (en) * | 2016-12-07 | 2018-06-01 | 卢碧娴 | Intelligent chair appearance control device |
| CN107440853B (en) * | 2017-09-29 | 2023-04-11 | 遵义师范学院 | Wheel-track switching type wheelchair |
| WO2019127326A1 (en) * | 2017-12-29 | 2019-07-04 | 四川金瑞麒智能科学技术有限公司 | Smart wheelchair sensing and adjustment apparatus and method |
| CN114407994A (en) * | 2021-12-31 | 2022-04-29 | 南若科技(重庆)集团有限公司 | Concrete block transfer device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2121371U (en) * | 1992-06-26 | 1992-11-11 | 刘锦标 | Automatic-adjusting level seat of plane and automobile |
| JP2000116454A (en) * | 1998-10-09 | 2000-04-25 | Marutaka Co Ltd | Reclining seat |
| TW437388U (en) * | 1999-06-11 | 2001-05-28 | Jiang Ming Shiang | Structure of universal, horizontal, electrical transportation vehicle |
| US6857490B2 (en) * | 2001-12-11 | 2005-02-22 | Robert T. Quigg | Stair-climbing wheelchair |
| DE102004007093A1 (en) * | 2004-02-13 | 2005-08-25 | Interstuhl Büromöbel GmbH & Co. KG | Chair, especially office chair |
| DE102004045388B4 (en) * | 2004-09-18 | 2006-10-19 | Otto Bock Healthcare Gmbh | Vehicle with tilt-adjustable driver's seat |
| JP2006341690A (en) * | 2005-06-08 | 2006-12-21 | Rikogaku Shinkokai | Three-wheeled moving vehicle |
| CN201101646Y (en) * | 2007-11-05 | 2008-08-20 | 刘玉通 | Tape type electric wheelchair |
| CN201564701U (en) * | 2009-10-20 | 2010-09-01 | 赵树名 | Stair climbing smart wheel chair |
| HK1150721A2 (en) * | 2011-10-04 | 2011-12-30 | Lee Siu Lun | Electric wheelchair |
-
2015
- 2015-04-23 CN CN201510197331.3A patent/CN104800012B/en active Active
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| CN104800012A (en) | 2015-07-29 |
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