CN105380759B - A kind of stair-climbing wheel chair of steadily of centre of gravity - Google Patents
A kind of stair-climbing wheel chair of steadily of centre of gravity Download PDFInfo
- Publication number
- CN105380759B CN105380759B CN201510823689.2A CN201510823689A CN105380759B CN 105380759 B CN105380759 B CN 105380759B CN 201510823689 A CN201510823689 A CN 201510823689A CN 105380759 B CN105380759 B CN 105380759B
- Authority
- CN
- China
- Prior art keywords
- support
- connecting rod
- wheel
- overhead crane
- gravity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
- A61G5/061—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps for climbing stairs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1005—Wheelchairs having brakes
- A61G5/1008—Wheelchairs having brakes for gradually slowing down the wheelchair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1005—Wheelchairs having brakes
- A61G5/1035—Wheelchairs having brakes manipulated by wheelchair user
Abstract
The invention discloses a kind of stair-climbing wheel chair of steadily of centre of gravity, including Wheelchair support, described Wheelchair support includes overhead crane support, seat support and armrest support；Described seat support can be arranged above described overhead crane support along what the direction of travel of overhead crane support reciprocatingly slided by drive mechanism, and described armrest support is fixedly connected on rear side of described overhead crane support；Overhead crane support both sides are provided with planetary gear；Drive mechanism can make the center of gravity of Wheelchair support change during climbing building with the center of gravity of planet wheels.The stair-climbing wheel chair of the present invention makes the gravity center shift with planet wheels for the center of gravity of Wheelchair support, reduces during sending out building, push away or hand steered wheelchair people burden, reduce potential safety hazard, improve and climb building efficiency and safety coefficient.
Description
Technical field
The present invention relates to stair-climbing wheel chair technical field, more particularly, to a kind of stair-climbing wheel chair of steadily of centre of gravity.
Background technology
Current stair-climbing wheel chair mostly is planetary gear stair-climbing wheel chair, and people sits on the seat, and during climbing building, planetary gear is adjacent
When building is climbed in arm switching, the center of gravity of seat is constant, and planetary gear center of gravity during climbing building is becoming, when leading to climb building, after wheelchair
The people's discontinuity pushing away, when and the strength that needs is big, when and the strength that needs is little, bring potential safety hazard, and arduously.
Content of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of stair-climbing wheel chair of steadily of centre of gravity, make Wheelchair support
Center of gravity, all the time with the gravity center shift of planet wheels, reduces during sending out building, push away or hand steered wheelchair people burden, reduce safety hidden
Suffer from, improve and climb building efficiency and safety coefficient.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of stair-climbing wheel chair of steadily of centre of gravity of the present invention, including Wheelchair support, described Wheelchair support includes overhead crane support, seat
Chair support and armrest support；The setting that described seat support can be reciprocatingly slided along the direction of travel of overhead crane support by drive mechanism
Above described overhead crane support, described armrest support is fixedly connected on rear side of described overhead crane support；Described overhead crane support both sides set
It is equipped with two planetary gears connecting by first rotating shaft, described planetary gear includes multiple wheel arm, and the end of each wheel arm is connected with
Roller；Described drive mechanism is arranged in described overhead crane support, and described drive mechanism includes motor and reductor, described drive
Galvanic electricity machine connects the input shaft of described reductor by sprocket wheel chain, and the output shaft of described reductor is provided with the first sprocket wheel,
Described first sprocket wheel passes through chain connection and drives described first rotating shaft to rotate positioned at the second sprocket wheel in described first rotating shaft, institute
State the first sprocket wheel deviate from subtract described speed machine the side of output shaft be fixedly connected with one end of first connecting rod, described first connecting rod
The other end is connected with third connecting rod by second connecting rod, and described third connecting rod is fixedly connected with the rear end of described seat support, institute
State second connecting rod and can make axis rotation with respect to one end that described second connecting rod is connected with described head rod, described
Two connecting rods can make axis rotation with respect to one end that described second connecting rod is connected with described third connecting rod；
The ratio of the number of teeth of described second sprocket wheel and the number of teeth of described first sprocket wheel is equal to the wheel arm number of described planetary gear；
During described motor work, drive described reductor, the output shaft of described reductor drives described first simultaneously
Sprocket wheel and described first connecting rod, described first sprocket wheel drives described first rotating shaft to rotate by described second sprocket wheel, and then drives
Two described planetary gears rotate, and described first connecting rod drives described second connecting rod, and described second connecting rod passes through described third connecting rod
Drive described seat support reciprocating above described overhead crane support, make the center of gravity of seat follow described planetary gear change.
Further, described overhead crane support front end both sides are provided with two the first road wheels.
Further, described armrest support upper end connects liftable walking wheel support, described walking by electric pushrod
Wheel support lower end both sides are provided with the second road wheel, are provided with gear mud between described second road wheel and road wheel pedestal lower end
Piece；Described walking wheel support is U-shaped, and the bar of described walking wheel support both sides is helped by liftable being connected to of sliding bearing
On two first slide bars of handss support both sides, the telescopic end of described electric pushrod is fixedly connected on the cross bar of road wheel pedestal lower end
On.
Further, described second road wheel is provided with brake gear, described brake gear is included positioned at the second walking
The foot of wheel top steps on bar, and the two ends that described foot steps on bar are connected with brake block connecting rod, and described brake block connecting rod extends into institute
State inside mudflap and be connected with brake block, described brake block connecting rod is cased with spring, and described spring is stepped on positioned at described foot
Between bar and described mudflap.
Further, it is connected with the second rotating shaft between the cross bar of described road wheel pedestal lower end and overhead crane support, described
Two rotating shaft one end are articulated and connected overhead crane support, and the other end is fixedly connected the cross bar of road wheel pedestal lower end.
Further, described motor is clockwise and anticlockwise motor.
Further, described planetary gear is four arm planetary gears, and the ratio of the second sprocket wheel and the first teeth number of sprocket is 4, to ensure
When planetary gear climbs building, the center of gravity of Wheelchair support is with the gravity center shift of planet wheels.
Further, described first connecting rod is in " Z " type.
Further, described second connecting rod is oscillating bearing.
Further, the both sides of described overhead crane support its direction of travel of upper end edge are respectively arranged with two second slide bars, often
At least two sliding bearings are provided with the second slide bar described in root, described Wheelchair support is fixed on the sliding bearing of the second slide bar
On.
Compared with prior art, the Advantageous Effects of the present invention：Drive planetary gear and wheelchair to prop up by reductor simultaneously
Frame, makes center of gravity and the gravity center shift with planet wheels of seat；Start electric pushrod, overhead crane support is raised, so that planetary gear is taken off
From the ground, meet wheelchair and pass through the use on level land of the first road wheel and the second road wheel.
The invention will be further described for explanation below in conjunction with the accompanying drawings.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 removes the structural representation after planetary gear for the present invention；
Fig. 3 is the left view of the present invention；
Fig. 4 goes out partial enlarged drawing for A；
Fig. 5 is the connection front view of drive mechanism and seat support and overhead crane support；
Fig. 6 is the connection side view of drive mechanism and seat support and overhead crane support；
Fig. 7 is overhead crane support and overturning-preventing support connection structure schematic diagram.
Description of reference numerals：1- overhead crane support；2- seat support；3- armrest support；4- reductor；5- first sprocket wheel；6-
Second sprocket wheel；7- first connecting rod；8- second connecting rod；9- third connecting rod；10- electric pushrod；11- brake gear；12- road wheel props up
Frame；13- second road wheel；14- cross bar；15- first slide bar；16- brake block；17- second slide bar；18- first road wheel；19-
Mudflap；20- foot steps on bar；21- brake block connecting rod；22- spring；23- first rotating shaft；24- second rotating shaft；25- motor；
26- planetary gear；27- overturning-preventing support.
Specific embodiment
As shown in figures 1 to 6, a kind of stair-climbing wheel chair of steadily of centre of gravity, including Wheelchair support, Wheelchair support includes overhead crane support
1st, seat support 2 and armrest support 3；Seat support 2 can be arranged at driving along what direction of travel reciprocatingly slided by drive mechanism
Above support 1, armrest support 3 is fixedly connected on rear side of overhead crane support 1；Overhead crane support 1 both sides are provided with first rotating shaft 23
Two planetary gears 26 connecting, planetary gear 26 includes 4 wheel arm, and the end of each wheel arm is connected with roller；Drive mechanism is arranged
In overhead crane support 1, drive mechanism includes motor 25 and reductor 4, and motor 25 passes through sprocket wheel chain and connects deceleration
The input shaft of machine 4, the output shaft of reductor 4 is provided with the first sprocket wheel 5, and the first sprocket wheel 5 is connected positioned at first turn by chain
To drive first rotating shaft 23 to rotate, the side that the first sprocket wheel 4 deviates from speed reducer output shaft is fixedly connected the second sprocket wheel 6 on axle 23
There is first connecting rod 7 one end, first connecting rod 7 other end connects third connecting rod 9, third connecting rod 9 and seat support by second connecting rod 8
2 rear end is fixedly connected, and second connecting rod 8 can turn as axle center with respect to one end that second connecting rod 8 is connected with first connecting rod 6
Dynamic, and second connecting rod 8 can make axis rotation with respect to one end that second connecting rod 8 is connected with third connecting rod 9；Second sprocket wheel 6
The ratio of the number of teeth and the number of teeth of the first sprocket wheel 5 be equal to the wheel arm number of planetary gear 26；
During motor 25 work, drive reductor 4, the output shaft of reductor 4 drives the first sprocket wheel 5 and first to connect simultaneously
Bar 7, the first sprocket wheel 5 drives first rotating shaft 23 to rotate by the second sprocket wheel 6, and then drives two planetary gears 26 to rotate, and first even
Bar 7 drives second connecting rod 8, and second connecting rod 8 drives seat support 2 to make reciprocal fortune above overhead crane support 1 by third connecting rod 9
Dynamic, so that the center of gravity of seat is changed with planet wheels.
As Fig. 2, overhead crane support 1 front end both sides are provided with two the first road wheels 18；As shown in Figures 3 and 4, armrest support 3
Upper end connects liftable walking wheel support 12 by electric pushrod 10, and walking wheel support 12 lower end both sides are provided with the second walking
Wheel 13, is provided with mudflap 19 between the second road wheel 13 and walking wheel support 12 lower end, walking wheel support 12 is U-shaped, OK
The bar walking wheel support 12 both sides passes through liftable two first slide bars 15 being connected to armrest support 3 both sides of sliding bearing
On, the telescopic end of electric pushrod 10 is fixedly connected on the cross bar 14 of walking wheel support 12 lower end；As shown in figure 4, the second walking
On wheel 13, brake gear 11 is installed, the foot that brake gear 11 is included above the second road wheel steps on bar 20, and foot steps on bar 20
Two ends are connected with brake block connecting rod 21, and brake block connecting rod 21 extends into mudflap 19 inner side and is connected with brake block 16,
Spring 22 is cased with brake block connecting rod 21, spring 22 is stepped between bar 20 and mudflap 19 positioned at foot, gently steps on foot with foot and step on bar 20
Can reach the purpose of brake, unclamp foot and step on bar 20, resetted by spring 22, you can release braking state.
As shown in figs. 1 and 3, it is connected with the second rotating shaft 24 between the cross bar 14 of walking wheel support 12 lower end and overhead crane support 1,
Second rotating shaft 24 one end is articulated and connected overhead crane support 1, and the other end is fixedly connected the cross bar 14 of walking wheel support 12 lower end.
Motor 4 is clockwise and anticlockwise motor；The ratio of the second sprocket wheel and the first teeth number of sprocket is 4, to ensure that planetary gear climbs building
When, the center of gravity of Wheelchair support is with the gravity center shift of planet wheels.
First connecting rod is in " Z " type, and second connecting rod is oscillating bearing.
As shown in figure 5, the both sides of overhead crane support 1 upper end edge direction of travel are respectively arranged with two second slide bars 17, every
Two sliding bearings are provided with the second slide bar 17, Wheelchair support 2 is fixed on the sliding bearing of the second slide bar 17, in order to
Realize seat support 2 and do reciprocating sliding movement above overhead crane support.
When the stair-climbing wheel chair of the present invention climbs building, climb building action with planetary gear, seat can be driven by drive mechanism
Support 2 is reciprocating on overhead crane support 1, is become with the center of gravity of planet wheels 26 with the center of gravity that warrantor is sitting in seat support 2
Changing, so can greatly reduce the burden of of hand steered wheelchair when climbing the people from building, reducing due to crank thus leading to hand steered wheelchair
People when strength is big when needing strength little problem, lower the accident rate thereby resulting in, improve the safety coefficient climbing building,
Greatly save manpower；Meanwhile, need, using (under Fei Pa building state) during wheelchair on level land, to start electric pushrod 10, until second
Road wheel 13 contacts bottom surface and planetary gear 26 departs from ground, realizes wheel on level land by the second road wheel 13 and the first road wheel 18
The normal use of chair, road wheel can be motor wheel, realizes automatically walk.
During upstairs and downstairs, walking wheel support 12 and the second road wheel 13 rise to certain position and have anti-layback
Effect；Second rotating shaft 24 plays stay bolt effect, so that the second road wheel 13 is consolidated in the middle of operation.
As shown in fig. 7, can set up anti-tipping apparatus on front side of this overhead crane support 1, it includes being fixedly installed in overhead crane support
On electric pushrod 10 and the overturning-preventing support 27 being articulated and connected with overhead crane support 1, the fixing peace of the drive part of electric pushrod 10
It is loaded on overhead crane support 1 upper end, telescopic end is fixedly connected on the center of overturning-preventing support 27, can adjust by electric pushrod 10
The angle of inclination of section overturning-preventing support 27, to meet the demand of different occasions.
The first slide bar 15 and walking wheel support 12 can be removed as needed, connect one between two the second road wheels 13
Root cross bar.The telescopic end of electric pushrod 10 is directly fixedly connected on cross bar centre position, coordinates the second rotating shaft 24, makes the
Two road wheels 13 consolidate.
Embodiment described above is only that the optimal way to the present invention is described, and not the scope of the present invention is carried out
Limit, on the premise of without departing from design spirit of the present invention, those of ordinary skill in the art make to technical scheme
Various modifications and improvement, all should fall into claims of the present invention determination protection domain in.
Claims (10)
1. a kind of stair-climbing wheel chair of steadily of centre of gravity it is characterised in that：Including Wheelchair support, described Wheelchair support includes driving
Frame, seat support and armrest support；Described seat support can be reciprocatingly slided along the direction of travel of overhead crane support by drive mechanism
Be arranged above described overhead crane support, described armrest support is fixedly connected on rear side of described overhead crane support；Described overhead crane support
Both sides are provided with two planetary gears of first rotating shaft connection, and described planetary gear includes multiple wheel arm, the end of each wheel arm
It is connected with roller；Described drive mechanism is arranged in described overhead crane support, and described drive mechanism includes motor and reductor,
Described motor connects the input shaft of described reductor by sprocket wheel chain, and the output shaft of described reductor is provided with first
Sprocket wheel, described first sprocket wheel passes through chain connection and drives described first rotating shaft to turn positioned at the second sprocket wheel in described first rotating shaft
Dynamic, the side of output shaft that described first sprocket wheel deviates from described reductor is fixedly connected with one end of first connecting rod, and described first
The other end of connecting rod is connected with third connecting rod by second connecting rod, and described third connecting rod is fixing with the rear end of described seat support even
Connect, described second connecting rod can make axis rotation with respect to one end that described second connecting rod is connected with described head rod,
Described second connecting rod can make axis rotation with respect to one end that described second connecting rod is connected with described third connecting rod；
The ratio of the number of teeth of described second sprocket wheel and the number of teeth of described first sprocket wheel is equal to the wheel arm number of described planetary gear；
During described motor work, drive described reductor, the output shaft of described reductor drives described first sprocket wheel simultaneously
With described first connecting rod, described first sprocket wheel drives described first rotating shaft to rotate by described second sprocket wheel, and then drives two
Described planetary gear rotates, and described first connecting rod drives described second connecting rod, and described second connecting rod is driven by described third connecting rod
Described seat support is reciprocating above described overhead crane support, makes the center of gravity of seat follow described planetary gear change.
2. steadily of centre of gravity according to claim 1 stair-climbing wheel chair it is characterised in that：Described overhead crane support front end both sides set
It is equipped with two the first road wheels.
3. steadily of centre of gravity according to claim 1 stair-climbing wheel chair it is characterised in that：Described armrest support upper end is passed through
Electric pushrod connects liftable walking wheel support, and described road wheel pedestal lower end both sides are provided with the second road wheel, and described the
It is provided with mudflap between two road wheels and described road wheel pedestal lower end；Described walking wheel support is U-shaped, described road wheel
The bar of support both sides passes through on liftable two first slide bars being connected to described armrest support both sides of sliding bearing, institute
The telescopic end stating electric pushrod is fixedly connected on the cross bar of described road wheel pedestal lower end.
4. steadily of centre of gravity according to claim 3 stair-climbing wheel chair it is characterised in that：It is provided with described second road wheel
Brake gear, the foot that described brake gear is included above the second road wheel steps on bar, and the two ends that described foot steps on bar are connected with and stop
Car piece connecting rod, described brake block connecting rod is extended into inside described mudflap and is connected with brake block, and described brake block is even
It is cased with spring on extension bar, and described spring is stepped between bar and described mudflap positioned at described foot.
5. steadily of centre of gravity according to claim 3 stair-climbing wheel chair it is characterised in that：The horizontal stroke of described road wheel pedestal lower end
It is connected with the second rotating shaft, described second rotating shaft one end is articulated and connected overhead crane support, the other end is fixing even between bar and overhead crane support
Connect the cross bar of road wheel pedestal lower end.
6. steadily of centre of gravity according to claim 1 stair-climbing wheel chair it is characterised in that：Described motor is rotating electricity
Machine.
7. steadily of centre of gravity according to claim 1 stair-climbing wheel chair it is characterised in that：Described planetary gear is four arm planets
Wheel, the ratio of the second sprocket wheel and the first teeth number of sprocket is 4, and during ensureing that planetary gear climbs building, the center of gravity of Wheelchair support is with planet wheels
Gravity center shift.
8. steadily of centre of gravity according to claim 1 stair-climbing wheel chair it is characterised in that：Described first connecting rod is in " Z " type.
9. steadily of centre of gravity according to claim 1 stair-climbing wheel chair it is characterised in that：Described second connecting rod is joint shaft
Hold.
10. steadily of centre of gravity according to claim 1 stair-climbing wheel chair it is characterised in that：Described overhead crane support upper end edge its
The both sides of direction of travel are respectively arranged with two second slide bars, and every described second slide bar is provided with least two sliding axles
Hold, described Wheelchair support is fixed on the sliding bearing of the second slide bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823689.2A CN105380759B (en) | 2015-11-24 | 2015-11-24 | A kind of stair-climbing wheel chair of steadily of centre of gravity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823689.2A CN105380759B (en) | 2015-11-24 | 2015-11-24 | A kind of stair-climbing wheel chair of steadily of centre of gravity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105380759A CN105380759A (en) | 2016-03-09 |
| CN105380759B true CN105380759B (en) | 2017-03-08 |
Family
ID=55413947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510823689.2A Expired - Fee Related CN105380759B (en) | 2015-11-24 | 2015-11-24 | A kind of stair-climbing wheel chair of steadily of centre of gravity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105380759B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1275296C (en) * | 1987-05-04 | 1990-10-16 | Pierre Decelles | Climbing and descending vehicle |
| KR100425508B1 (en) * | 2001-05-24 | 2004-04-27 | 김기수 | A wheel chair |
| KR100551907B1 (en) * | 2004-02-24 | 2006-02-14 | 김서림 | The 3D weight center movement which copes with an irregularity movement byeonuigag and water level hold device |
| CN1989919B (en) * | 2005-12-30 | 2012-03-07 | 财团法人工业技术研究院 | Power-driven wheelchair assistor |
| CN200971106Y (en) * | 2006-09-26 | 2007-11-07 | 李荣标 | Hand electric upstair wheelchair |
| CN104546326B (en) * | 2013-10-28 | 2017-03-01 | 陆声扬 | Electric bicycle |
| CN203790169U (en) * | 2014-01-27 | 2014-08-27 | 河北工业大学 | Wheel type stair climbing wheelchair |
| CN205586169U (en) * | 2015-11-24 | 2016-09-21 | 李少臣 | Focus is stable climbs building wheelchair |
-
2015
- 2015-11-24 CN CN201510823689.2A patent/CN105380759B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN105380759A (en) | 2016-03-09 |
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Granted publication date: 20170308 Termination date: 20181124 |