CN104887411B - A kind of singlehanded actuation means of hand wheelchair - Google Patents
A kind of singlehanded actuation means of hand wheelchair Download PDFInfo
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- CN104887411B CN104887411B CN201510352709.2A CN201510352709A CN104887411B CN 104887411 B CN104887411 B CN 104887411B CN 201510352709 A CN201510352709 A CN 201510352709A CN 104887411 B CN104887411 B CN 104887411B
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- crank
- driven pulley
- wheel carrier
- singlehanded
- front wheel
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Abstract
The invention discloses the singlehanded actuation means of a kind of hand wheelchair, it includes crank and front-wheel, feature is: it also includes steering spindle, front wheel carrier, two threaded sleeves, two studdles, two driving pulleys, driven pulley and the two transmission bands being fitted around on active, driven pulley, wherein, crank is a U-shaped crank, steering spindle is vertically arranged, and front wheel carrier is fixed in its lower end；Driven pulley is rotatably supported on front wheel carrier, synchronous axial system coaxial with front-wheel；Two threaded sleeves are vertical, symmetry is fixedly connected on front wheel carrier, the lower end of two studdles is threadably coupled within threaded sleeve respectively, upper end is respectively equipped with support seat, is arranged on the two ends of the U-shaped crank inside two threaded sleeves respectively laterally and be rotatably supported in support seat；Driving pulley is the most nonrotationally assemblied on the end, two ends being positioned at the U-shaped crank outside two threaded sleeves, synchronous axial system coaxial with U-shaped crank.Present configuration is reasonable, low cost of manufacture, manipulation simplicity.
Description
Technical field
The present invention relates to be suitable for specially the parts of the chair of people with disability, the singlehanded manipulation dress of a kind of hand wheelchair
Put.
Background technology
It is known that wheelchair is the important tool of rehabilitation, and hand wheelchair is on the basis of common wheelchair, increases hand manipulation
Device.The common hand wheelchair of tradition applies in general to the user that those both hands are sound, for some hemiplegic patients or upper limb
Disabled patient, then cannot be entered the singlehanded operating-controlling mechanism of hand wheelchair for this numerous technical staff by one hand manipulation wheelchair
Go research and development, such as, CN103029782A Chinese invention patent application description disclosed in 10 days April in 2013 discloses one
Planting " one-handed performance people with disability's tricycle ", it includes vehicle frame, brake block, drive mechanism and two driven trailing wheels, and vehicle frame includes
Connecting and have the front fork of wheel, back vent and seat, front fork is rotationally connected with vehicle frame, and feature is: drive mechanism is by front fork, turns to
The toggle that bar, rocking bar, crank disc, connecting rod are constituted, wherein, turning-bar is fixing with front fork to be connected, and the upper end of rocking bar sets
Having handle and lower end hinged with turning-bar vertical, crank disc is coaxially connected with front-wheel, and the two ends of connecting rod are all with crank disc respectively
The middle part of portion and rocking bar is hinged, and front wheel diameter is more than rear wheel diameter, and front fork, back vent both sides are respectively provided with brake block.This invention Shen
Disclosed technical scheme please achieve one-handed performance tricycle, but its drive mechanism is by front fork, turning-bar, rocking bar, crank
The toggle that dish, connecting rod are constituted, there is the deficiency that structure is complicated, manufacturing cost is high.
Summary of the invention
In order to overcome the hand operating-controlling mechanism of hand wheelchair disclosed in prior art to also exist, structure is complicated, manufacturing cost is high
Deficiency, the present invention provides a kind of simple in construction, reasonable in design, manipulation is easy, the singlehanded behaviour of the hand wheelchair of low cost of manufacture
Control device.
The technical solution adopted for the present invention to solve the technical problems is: the singlehanded actuation means of a kind of hand wheelchair, its
Including a crank, a front-wheel, it is characterised in that: its also include a steering spindle, a front wheel carrier, two threaded sleeves, two studdles,
Two driving pulleys, at least one driven pulley and two transmission bands, wherein, described crank is a U-shaped crank, and described steering spindle is erected
To setting, its one end can rotate assembling with vehicle frame, and the other end is fixedly connected with described front wheel carrier, pitches on described front wheel carrier
Being connected to front axle, described driven pulley is rotatably supported on this front axle, and described front-wheel is nonrotationally assemblied in driven pulley
On, synchronous axial system coaxial with driven pulley；One end of described threaded sleeve, symmetry vertical by connector respectively is fixedly connected
On front wheel carrier, the other end of threaded sleeve respectively with the lower end thread connection of studdle；The upper end of studdle sets respectively
Having support seat, described U-shaped crank to be arranged on inside two threaded sleeves, its two ends are horizontal respectively and are rotatably supported in support seat
In；Described driving pulley is the most nonrotationally assemblied on the end, two ends being positioned at the U-shaped crank outside two threaded sleeves, with U
Shape crank is coaxial, synchronous axial system；Described transmission band correspondence respectively is fitted around on two driving pulleys and driven pulley.
Being respectively installed with threeway connector on two described studdles, each threeway connector is respectively by thread connection
Two nuts on studdle carry out position locking, and two backplates the most vertically or are laterally inserted into the grafting of threeway connector
In hole, and it is fixed to be carried out pin by latch.
Described driving pulley, driven pulley are synchronous pulley, and described transmission band is Timing Belt.
Described U-shaped crank is set with a crank sleeve pipe.
The steering spindle of the present invention can rotate assembling with vehicle frame, and its lower end is fixedly connected with front wheel carrier, and driven pulley rotates and props up
Support is on front wheel carrier, and front-wheel is coaxial with driven pulley, synchronous axial system；Two threaded sleeves are vertical, symmetry is fixedly connected at front wheel carrier
On, the lower end of two studdles is threadably coupled within threaded sleeve respectively, and upper end is respectively equipped with support seat, is arranged on two thread bush
The two ends of the U-shaped crank inside pipe are horizontal respectively and are rotatably supported in support seat；The most nonrotational assembling of driving pulley is in place
On the end, two ends of the U-shaped crank outside two threaded sleeves, synchronous axial system coaxial with U-shaped crank；The most corresponding ring of transmission band
Around being assemblied on two driving pulleys and driven pulley.Present configuration is simple, and used unit is few, low cost of manufacture；Studdle
With the thread connection of threaded sleeve, can realize tensioning adjustment and the U-shaped crank height adjustment of transmission band, it is reasonable in design；Singlehanded
Shake U-shaped crank, U-shaped crank is coaxial with driving pulley, synchronous axial system, drives driven pulley coaxial with front-wheel, same through transmission band
Step rotates, and it manipulates simplicity.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the partial enlarged drawing in Fig. 1 at I.
Labelling in figure: 1. the first driving pulley, 2. the second driving pulley, 3. crank, 4. the first studdle, 5. second
Support screw rod, 6. the first threeway connector, 601. first latches, 7. the second threeway connector, 8. the first transmission band, 9. the second transmission
Band, 10. the first threaded sleeve, 11. second threaded sleeves, 12. first backplates, 13. second backplates, 14. steering spindles, 15. front-wheels
Frame, 16. front axles, 17. driven pulleys, 18. front-wheels, 1901. first support seat, and 1902. second support seat, 20. crank sets
Pipe.
Detailed description of the invention
As it is shown in figure 1, the singlehanded actuation means of a kind of hand wheelchair, it includes crank 3, front-wheel 18, wherein, crank
3 is a U-shaped crank.
In FIG, the singlehanded actuation means of this hand wheelchair also includes steering spindle 14, front wheel carrier 15, first screw thread
Sleeve pipe the 10, second threaded sleeve the 11, first studdle the 4, second studdle the 5, first driving pulley the 1, second driving pulley
2, driven pulley 17 and first transmission band 8, a second transmission band 9.
As it is shown in figure 1, steering spindle 14 is vertically arranged, one end of steering spindle 14 can rotate assembling with vehicle frame by bearing, separately
One end is welded and fixed with front wheel carrier 15.
In FIG, on front wheel carrier 15, fork-join has front axle 16, driven pulley 17 warp beam to hold and be rotatably supported in this front axle
On 16, front-wheel 18 is assemblied on driven pulley 17 by key connecting, synchronous axial system coaxial with driven pulley 17.
In FIG, one end of first threaded sleeve the 10, second threaded sleeve 11 fixing connection vertical by bolt, symmetrical respectively
Be connected on front wheel carrier 15, the other end of first threaded sleeve the 10, second threaded sleeve 11 respectively with the first studdle 4, second
The lower end thread connection of studdle 5.
The upper end of first studdle the 4, second studdle 5 is respectively equipped with the first support seat 1901, second and supports seat
1902, in FIG, U-shaped crank 3 is arranged on inside two threaded sleeves, and its two ends laterally and are rotatably supported in the by bearing respectively
One supports seat 1901, second supports in seat 1902.
First driving pulley the 1, second driving pulley 2 is assemblied in the U being positioned at outside two threaded sleeves respectively by key connecting
On the end, two ends of shape crank 3, first driving pulley the 1, second driving pulley 2, synchronous axial system coaxial with U-shaped crank 3 respectively.
First transmission band 8 correspondence is fitted around on the first driving pulley 1 and driven pulley 17, and the second transmission band 9 is corresponding
It is fitted around on the second driving pulley 2 and driven pulley 17；For transmission accurately with steady, fricton-tight during work, there is perseverance
Fixed gear ratio, as it is shown in figure 1, first driving pulley the 1, second driving pulley 2, driven pulley 17 are synchronous pulley, first passes
Dynamic band the 8, second transmission band 9 is Timing Belt.First transmission band 8 and the first driving pulley 1, driven pulley 17 achieve synchronous pulley
Transmission, the second transmission band 9 and youngster's driving pulley, driven pulley 17 achieve synchronous belt pulley transmission.
In FIG, first studdle the 4, second studdle 5 is respectively installed with the first threeway connector 6, second
Threeway connector 7, each threeway connector is carried out position locking by two nuts being threadably coupled within respective support screw rod respectively.
As shown in Figure 1 and Figure 2, first backplate the 12, second backplate 13 vertically or is laterally inserted into respectively by square shaft thereon
In the square spliced eye having of one threeway connector the 6, second threeway connector 7, and respectively by first latch the 601, second latch
It is fixed that (not being given in figure) carries out pin.First backplate 12 or the second backplate 13, can be as little on threeway connector during horizontal plug-in mounting
Table uses.
For convenience of the hand operation to U-shaped crank 3, reduce the friction of U-shaped crank 3 opponent, as it is shown in figure 1, at U-shaped crank
A crank sleeve pipe 20 it is set with on 3.
The present invention in use, respectively by adjusting the first studdle 4 and first threaded sleeve the 10, second studdle
5 and second threaded sleeve 11 can realize tensioning and the height adjustment of U-shaped crank 3 of first transmission band the 8, second transmission band 9；Singlehanded
Shake U-shaped crank 3, U-shaped crank 3 and two coaxial, the synchronous axial system of driving pulley 1,2, thus respectively before two transmission bands 8,9 drive
Wheel 18, synchronous axial system coaxial with driven pulley 17, it is achieved the forward and backward movement of wheelchair；When needs turn to, one hand pulls crank 3,
Moment of torsion two studdle 4,5, two threaded sleeve 10,11 reaches front wheel carrier 15, steering spindle 14 realizes turning to.
Present configuration is simple, reasonable in design, manipulation is easy, low cost of manufacture.
Claims (4)
1. a singlehanded actuation means for hand wheelchair, it includes a crank, a front-wheel, it is characterised in that: it also includes one turn
To axle, a front wheel carrier, two threaded sleeves, two studdles, two driving pulleys, at least one driven pulley and two transmission bands, wherein,
Described crank is a U-shaped crank, and described steering spindle is vertically arranged, and its one end can rotate assembling, the other end and institute with vehicle frame
The front wheel carrier stated is fixedly connected, and on described front wheel carrier, fork-join has front axle, before described driven pulley is rotatably supported in this
On wheel shaft, described front-wheel is nonrotationally assemblied on driven pulley, synchronous axial system coaxial with driven pulley；Described thread bush
One end of pipe, symmetry vertical by connector respectively is fixedly connected on front wheel carrier, the other end of threaded sleeve respectively with support spiral shell
The lower end thread connection of bar；The upper end of studdle is respectively equipped with support seat, and described U-shaped crank is arranged in two threaded sleeves
Side, its two ends are horizontal respectively and are rotatably supported in support seat；Described driving pulley is the most nonrotationally assemblied in and is positioned at two spiral shells
On the end, two ends of the U-shaped crank of stricture of vagina outside of sleeve, synchronous axial system coaxial with U-shaped crank；The most corresponding ring of described transmission band
Around being assemblied on two driving pulleys and driven pulley.
The singlehanded actuation means of a kind of hand wheelchair the most according to claim 1, it is characterised in that: in two described supports
Being respectively installed with threeway connector on screw rod, each threeway connector is entered by two nuts being threadably coupled within studdle respectively
Line position locks, and two backplates the most vertically or are laterally inserted in the spliced eye of threeway connector, and it is fixed to be carried out pin by latch.
The singlehanded actuation means of a kind of hand wheelchair the most according to claim 1, it is characterised in that: described main belt
Wheel, driven pulley are synchronous pulley, and described transmission band is Timing Belt.
The singlehanded actuation means of a kind of hand wheelchair the most according to claim 1, it is characterised in that: shake at described U-shaped
A crank sleeve pipe it is set with on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352709.2A CN104887411B (en) | 2015-06-25 | 2015-06-25 | A kind of singlehanded actuation means of hand wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352709.2A CN104887411B (en) | 2015-06-25 | 2015-06-25 | A kind of singlehanded actuation means of hand wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104887411A CN104887411A (en) | 2015-09-09 |
| CN104887411B true CN104887411B (en) | 2016-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510352709.2A Active CN104887411B (en) | 2015-06-25 | 2015-06-25 | A kind of singlehanded actuation means of hand wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104887411B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111529234A (en) * | 2020-05-26 | 2020-08-14 | 常州中进医疗器材股份有限公司 | Single-hand driving device of manual wheelchair |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5383676A (en) * | 1993-09-02 | 1995-01-24 | Valentino; Thomas J. | Centering apparatus for front wheel of three wheeled vehicle |
| EP0773009A2 (en) * | 1995-11-10 | 1997-05-14 | Wolf, Elisabeth Maria | Transportable walking aid |
| CN101390793A (en) * | 2007-09-21 | 2009-03-25 | 沈阳工业大学 | One-handed control scooter |
| CN102151202A (en) * | 2010-12-16 | 2011-08-17 | 天津市鑫成新科贸有限公司 | Solar three-wheel wheelchair |
| CN103029782A (en) * | 2012-12-14 | 2013-04-10 | 重庆市弘山川光电股份有限公司 | Single-hand operation disabled tricycle |
| CN203598133U (en) * | 2013-06-09 | 2014-05-21 | 西安建筑科技大学 | Hand-operated wheelchair |
| CN204072541U (en) * | 2014-09-18 | 2015-01-07 | 杨晓松 | The hand-cranking running gear of wheelchair |
| CN204971936U (en) * | 2015-06-25 | 2016-01-20 | 张艺炜 | Singlehanded control device of hand wheelchair |
-
2015
- 2015-06-25 CN CN201510352709.2A patent/CN104887411B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5383676A (en) * | 1993-09-02 | 1995-01-24 | Valentino; Thomas J. | Centering apparatus for front wheel of three wheeled vehicle |
| EP0773009A2 (en) * | 1995-11-10 | 1997-05-14 | Wolf, Elisabeth Maria | Transportable walking aid |
| CN101390793A (en) * | 2007-09-21 | 2009-03-25 | 沈阳工业大学 | One-handed control scooter |
| CN102151202A (en) * | 2010-12-16 | 2011-08-17 | 天津市鑫成新科贸有限公司 | Solar three-wheel wheelchair |
| CN103029782A (en) * | 2012-12-14 | 2013-04-10 | 重庆市弘山川光电股份有限公司 | Single-hand operation disabled tricycle |
| CN203598133U (en) * | 2013-06-09 | 2014-05-21 | 西安建筑科技大学 | Hand-operated wheelchair |
| CN204072541U (en) * | 2014-09-18 | 2015-01-07 | 杨晓松 | The hand-cranking running gear of wheelchair |
| CN204971936U (en) * | 2015-06-25 | 2016-01-20 | 张艺炜 | Singlehanded control device of hand wheelchair |
Non-Patent Citations (1)
| Title |
|---|
| "基于人机工程学的单手驱动残疾人车设计";孙学雁 等;《沈阳工业大学学报》;20090430;第31卷(第2期);第203-206页 * |
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| Publication number | Publication date |
|---|---|
| CN104887411A (en) | 2015-09-09 |
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Effective date of registration: 20220119 Address after: 300304 building 4, Huiguyuan, Dongli District, Tianjin Patentee after: TIANJIN INSTITUTE OF ADVANCED EQUIPMENT, TSINGHUA University Address before: 300300 No. 2002, building 4, block B, No. 6, Huafeng Road, Huaming high tech Industrial Zone, Dongli District, Tianjin Patentee before: Power intellectual property (Tianjin) Co.,Ltd. Effective date of registration: 20220119 Address after: 300300 No. 2002, building 4, block B, No. 6, Huafeng Road, Huaming high tech Industrial Zone, Dongli District, Tianjin Patentee after: Power intellectual property (Tianjin) Co.,Ltd. Address before: 264300 Room 204, No. 29, Caihong West District, Rongcheng City, Weihai City, Shandong Province Patentee before: Zhang Yiwei |