CN104546330B - A kind of wheelchair adjusting means - Google Patents
A kind of wheelchair adjusting means Download PDFInfo
- Publication number
- CN104546330B CN104546330B CN201310486167.9A CN201310486167A CN104546330B CN 104546330 B CN104546330 B CN 104546330B CN 201310486167 A CN201310486167 A CN 201310486167A CN 104546330 B CN104546330 B CN 104546330B
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- wheelchair
- hub
- hole
- wheel shaft
- fixture block
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Abstract
The present invention provides a kind of wheelchair adjusting means, the device includes support tube and axle assembly, the axle assembly includes wheel shaft fixture block, hub and axle bracket, one end of the wheel shaft fixture block is fixedly connected with the hub, the other end is socketed on the support tube and can moved horizontally along the support tube, and the axle bracket is socketed on the hub and can moved up and down along the hub.Compared with prior art, wheelchair adjusting means of the invention can realize the regulation of wheelchair seat height and rotary middle point.
Description
Technical field
The present invention relates to wheelchair field, more particularly to a kind of it can realize one kind of wheelchair seat height and rotary middle point regulation
Wheelchair adjusting means.
Background technology
There is the wheelchair of many types now, generally, wheelchair has the seat sat for user, and what is be connected with seat leans on
The back of the body, the handle being connected with backrest, if it is desired, the parts such as foot stool also can be set in wheelchair.Publication No. 102860905A one kind
The wheelchair of adjusting center of gravity, including wheelchair body and wheel group, the wheel group include front-wheel and rear drive sprocket, the wheelchair body bag
Include：Support unit and adjustment unit, wherein, described support unit includes：The back of the body inserts lower connector, and its opposed vertical direction is inclined
Tiltedly；Adjustment block, it is fixedly installed on the back of the body and inserted on lower connector, which is provided with a row of horizontal adjusting hole or a sliding groove；Side
Connector, it is tilted down from wheelchair front end to rear end relatively horizontal orientation, has one inserting lower connector connection end with the back of the body
Horizontal component；Described adjustment unit, it includes：One four-bar mechanism and a coupled support wheel, in adjustment center of gravity
Wheelchair body and rear drive sprocket described in Shi Zhiqi, make the rear drive sprocket depart from ground.The invention props wheel using four-bar mechanism
Chair so that wheelchair center of gravity can be adjusted by occupant oneself, and with the bar for tilting installation, the radius of rear drive sprocket is reduced, drop
The low center of gravity of wheelchair, compact conformation.
But, the invention is propped the wheelchair body and rear drive sprocket by support wheel, made when changing the center of gravity of wheelchair
The rear drive sprocket departs from ground, wheelchair body and rear drive sprocket is put into ground again after having adjusted, seats does not have highly
Change, the rotary middle point of wheelchair can not change in addition.In view of drawbacks described above, creator of the present invention is by prolonged research
This creation is obtained finally with practice.
The content of the invention
A kind of wheelchair tune of wheelchair seat height and rotary middle point regulation can be realized it is an object of the invention to provide a kind of
Regulating device, to overcome above-mentioned technological deficiency.
To achieve the above object, the present invention provides a kind of wheelchair adjusting means, and the device includes support tube and axle assembly,
The axle assembly includes wheel shaft fixture block, hub and axle bracket, and one end and the hub of the wheel shaft fixture block are fixed
Connection, the other end is socketed on the support tube and can moved horizontally along the support tube, and the axle bracket is socketed in institute
State on hub and can be moved up and down along the hub.
Further, the support tube is provided with multiple first positioning holes, the multiple first along along its horizontal-extending direction
Have between positioning hole unified mutually equidistant.
Further, first through hole corresponding with first positioning hole is provided with the wheel shaft fixture block.
Further, the side of the hub is provided with multiple arc openings, the multiple arc opening along along its vertical direction
Between have it is unified mutually equidistant.
Further, one end of the axle bracket is provided with the second through hole corresponding with the arc opening, and the other end is provided with
Bearing hole for placing wheelchair big wheel.
Further, the device includes skirt guard, and the lower end of the skirt guard is connected with the wheel shaft fixture block.
Further, the skirt guard sets multiple second positioning holes, the multiple second positioning hole along along its vertical direction
Between have it is unified mutually equidistant.
Further, third through-hole corresponding with second positioning hole is additionally provided with the wheel shaft fixture block.
The beneficial effects of the present invention are：Axle assembly in the wheelchair adjusting means that the present invention is provided includes wheel axle clamp
Block, hub and axle bracket, axle bracket are socketed on hub, and hub is provided with multiple arc openings, utilizes clamp screw
Axle bracket is fixed on hub by nail through arc opening, due to there is multiple arc openings, it is possible to which axle bracket is fixed
Diverse location on hub, and axle bracket is provided with big wheel, when the position that axle bracket is moved up and down on hub
When putting, big wheel also can be moved up and down and then, so as to realize the regulation of wheelchair seat height；Again because support tube is along its level side
Multiple first positioning holes are provided with upwards, and wheel shaft fixture block can be fixed on to the diverse location on support tube, wheel shaft fixture block and hub
It is fixedly connected, and axle bracket is socketed on hub, when the position of moving shaft fixture block before and after on support tube, big wheel
Also can be and then movable, so as to the regulation for the rotary middle point for realizing wheelchair.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of wheelchair adjusting means of the present invention；
Fig. 2 is that wheelchair adjusting means of the present invention adds the dimensional structure diagram after skirt guard；
Fig. 3 is that the adjusting means of the present invention is applied into a kind of wheelchair dimensional structure diagram in wheelchair；
Fig. 4 be Fig. 3 in wheelchair unilateral dimensional structure diagram；
Fig. 5 be Fig. 3 in wheelchair recliner dimensional structure diagram；
Fig. 6 be Fig. 5 in recliner in Knob mechanismses dimensional structure diagram；
Fig. 7 be Fig. 3 in wheelchair armrest assembly dimensional structure diagram.
Embodiment
Below in conjunction with accompanying drawing, the forgoing and additional technical features and advantages are described in more detail.
As depicted in figs. 1 and 2, a kind of wheelchair adjusting means that the present invention is provided includes：Support tube 21 and axle assembly, its
In, axle assembly includes wheel shaft fixture block 71, hub 72 and axle bracket 73.The one end of wheel shaft fixture block 71 is socketed in stay pipe 21
On, the other end is fixedly connected with hub 72, and skirt guard 9 is detachably connected with wheel shaft fixture block 71, one end set of axle bracket 73
On hub 72, the other end is provided with the bearing hole for being used for installing wheelchair big wheel.Along its horizontal-extending side on support tube 21
Having set up between multiple first positioning holes 211, the plurality of first positioning hole 211 has unified phase equidistantly, exists certainly
In other embodiment, the spacing between the plurality of first positioning hole can not be waited.The lower end of skirt guard 9 is vertically upper to set many
There is unified phase equidistantly between individual second positioning hole 91, the plurality of second positioning hole 91, certainly in other embodiments, should
Spacing between multiple second positioning holes can not be waited.The side of hub 72 is provided with multiple arc openings 721 on vertically,
There is unified phase equidistantly between the plurality of arc opening 721, certainly in other embodiments, between the plurality of arc opening 721
Spacing can not wait.The upper end of wheel shaft fixture block 71 is respectively equipped with the corresponding first through hole 711 of the first positioning hole 211 and with second
The corresponding third through-hole 712 of positioning hole 91, axle bracket 73 is provided with second through hole 731 corresponding with arc opening 721.
Assembling when, first by wheel shaft fixture block 71 sets be clipped on support tube 21, recycling holding screw pass through first through hole 711
Wheel shaft fixture block 71 is fastened on support tube 21 with the first positioning hole 211, due to there are multiple first positioning holes 211, so can be by
Wheel shaft fixture block 71 is fixed on the diverse location of support tube 21, when wheel shaft fixture block 71 moves forward and backward regulation on support tube, wheel
Central siphon 72 and axle bracket 73 are moved with wheel shaft fixture block 71, and the big wheel installed in the one end of axle bracket 73 can also follow one
Rise along support tube 21 and move forward and backward, so as to realize the regulation of wheelchair rotary middle point.Axle bracket 73 is set in hub 72
On, the second through hole 731 is each passed through with screw rod and arc opening 721 is tightened with nut, you can hub 72 and axle bracket is realized
73 are fastenedly connected, due to there is multiple arc openings 721, so axle bracket 73 can be arranged on to the different positions on hub 72
Put, when axle bracket 73 moves up and down regulation along hub 72, the big wheel installed in the one end of axle bracket 73 also can be with
Axle bracket 73 to move up and down along hub 72 together, so as to realize the regulation of wheelchair seat height.Applied when by the present invention in wheel
In chair, the regulation of wheelchair seat height and rotary middle point is can be achieved with, and synchronic can be adjusted, one of them also can be individually adjusted,
User can be according to itself use habit comfort conditioning, so as to improve the comfortableness of user.
The wheelchair adjusting means that now present invention is provided is applied in a kind of wheelchair.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the wheelchair includes：Big wheel 1, vehicle frame 2, seat support 3, universal wheel group 4, handrail
Component 5, recliner 6, axle assembly 7, X support frames 8, skirt guard 9, pedal 10 and mobile even part 15.Wherein, vehicle frame
2 include support tube 21, leg support pipe 22 and footrest pipe 23.Universal wheel group 4 includes wheel group connector 41, wheel group rotating mechanism 42, wheel
Fork 43 and trundle 44.Armrest assembly 5 includes fitting 53 and arm supports 54 after handrail 51, handrail connecting tube 52, handrail.Lean on
Carrying on the back adjusting means 6 includes seat back arm 61, upper backrest pipe 62, lower back pipe 63, Knob mechanismses 64 and backing cushion 65.Wheel shaft
Component 7 includes wheel shaft fixture block 71, hub 72 and axle bracket 73.
Big wheel 1 is located at the left and right sides of vehicle frame 2 respectively, and the outside of big wheel 1 is additionally provided with the hand that radius is less than big wheel
Wheel 11, when no other people promote, user voluntarily can make wheelchair advance with hand by handwheel 11.Seat support 3 and skirt guard 9 are all
Positioned at the top of vehicle frame 2, recliner 6, skirt guard 9 and seat support 3 surround one and are available for users to the space sat down.Handrail
Component 5 is located at the left and right sides of recliner 6, and axle assembly 7 is located at the lower section of seat support 3 and is arranged on vehicle frame 2, X branch
Support 8 also is located at the lower section of seat support 3, and the upper end of its side is fixedly connected with wheel shaft fixture block 71, lower end and the lower end of hub 72
It is fixedly connected, when axle assembly 7 is moved, X support frames are also moved with axle assembly 7, so as to can ensure that whole wheelchair
Reasonable mechanical.The lower end of lower back pipe 63 is provided with shift joint, and the interior side of the shift joint is provided with mobile chute,
Mobile even one end of part 15 and the side axle of lower end one of hub 72 are connect, and the other end is arranged in mobile chute, and can be in the shifting
Move, mobile even part can be fixed on when being moved to correct position in the mobile chute with screw, so as to enter one in dynamic chute
Step improves the steadiness of wheelchair.
The one end of wheel shaft fixture block 71 is socketed on stay pipe 21, and the other end is fixedly connected with hub 72, skirt guard 9 and wheel shaft
Fixture block 71 is detachably connected, and one end of axle bracket 73 is sheathed on hub 72, and the other end, which is provided with, to be used to install wheelchair cart
The bearing hole of wheel.Multiple first positioning holes 211, the plurality of first positioning are provided with support tube 21 along along its horizontal-extending direction
There is unified phase equidistantly between hole 211, certainly in other embodiments, the spacing between the plurality of first positioning hole can not
Deng.Vertically upper set has system between multiple second positioning holes 91, the plurality of second positioning hole 91 for the lower end of skirt guard 9
Equidistantly, certainly in other embodiments, the spacing between the plurality of second positioning hole can not be waited one phase.The side of hub 72
Face, which is provided with vertically between multiple arc openings 721, the plurality of arc opening 721, has unified phase equidistantly, certainly
In other embodiments, the spacing between the plurality of arc opening 721 can not be waited.The upper end of wheel shaft fixture block 71 is respectively equipped with and first
The corresponding first through hole 711 of positioning hole 211 and with the corresponding third through-hole 712 of the second positioning hole 91, axle bracket 73 is provided with
Second through hole 731 corresponding with arc opening 721.Assembling when, first by wheel shaft fixture block 71 sets be clipped on support tube 21, recycle tightly
Determine screw wheel shaft fixture block 71 is fastened on support tube 21 by the positioning hole 211 of first through hole 711 and first, due to having multiple
One positioning hole 211, so wheel shaft fixture block 71 can be fixed on the diverse location of support tube 21, when wheel shaft fixture block 71 is in support tube
During upper movable regulation, hub 72 and axle bracket 73 are moved with wheel shaft fixture block 71, installed in axle bracket 73 1
The big wheel at end also can be and then movable along support tube 21 together, so as to realize the regulation of wheelchair rotary middle point.By wheel shaft
Support 73 is set on hub 72, and the second through hole 731 is each passed through with screw rod and arc opening 721 is tightened with nut, you can real
Existing hub 72 and axle bracket 73 are fastenedly connected, due to there is multiple arc openings 721, so can be arranged on axle bracket 73
Diverse location on hub 72, when axle bracket 73 moves up and down regulation along hub 72, installed in axle bracket 73
The big wheel of one end can also follow axle bracket 73 to be moved up and down together along hub 72, so as to realize the regulation of wheelchair seat height.
The regulation of wheelchair seat height and rotary middle point synchronic can be adjusted, and also can individually adjust one of them, and user can be according to itself
Use habit comfort conditioning, so as to improve the comfortableness of user.
As shown in Figure 5 and Figure 6, the upper end of the upper backrest pipe 62 in recliner 6 is fixed with seat back arm 61 and connected
Connect, lower end is connected by Knob mechanismses 64 with the upper end of lower back pipe 63, the lower end of lower back pipe 63 and the support of vehicle frame 2
Pipe 21 is fixedly connected, and in portion, the connecting portion of backing tube 63 and support tube 21, which is also welded with angle iron 14, makes the connecting portion more steady
Gu.The upper end of lower back pipe 63 is provided with each on recess 631, the symmetrical two sides of the recess 631 provided with penstock seat, penstock seat
Provided with the corresponding fourth hole 632 in position, the lower section of the recess 631 is with being provided with the 5th in the vertical direction of fourth hole 632
Through hole 633.The lower end of upper backrest pipe 62 be provided with the connector that matches of penstock seat, the connector with fourth hole 632
Parallel direction be provided with the 6th through hole 623, with the vertical direction of fourth hole 632 be provided with the 7th through hole 622, in the 6th through hole
623 top is provided with the 8th through hole 621, and when the connector is put into penstock seat, the through hole 622 of fifth hole 633 and the 7th is just
Good corresponding, the through hole 621 of fourth hole 632 and the 8th is just corresponding.Knob mechanismses 64 include screw rod 641, Nut column 642,
Adjusting knob 643 and holding screw 644, Nut column 642 is provided with can allow the 9th through hole 6421 that screw rod 641 is passed through.During assembling,
First Nut column 642 is placed in the 6th through hole 623, then connector is put into penstock seat, then screw 12 is sequentially passed through
The through hole 621 of fourth hole 632 and the 8th is tightened with nut 13, and now upper backrest pipe 62 and lower back pipe 63 connect into one
Body, then connect with adjusting knob 643 after screw rod 641 is sequentially passed through into fifth hole 633, the 7th through hole 622 and the 9th through hole 6421
Connect, then fastened screw rod 641 and adjusting knob 643 with holding screw 644.When rotation of adjustment knob 643, due to adjusting knob
643 and screw rod 641 fastened, screw rod 641 can synchronous rotary, and screw rod 641 rotation when Nut column 642 due to securing rotation side
To so Nut column 642 is along the swing of screw rod 641, drive upper backrest pipe 62 is around screw 12 during 641 swing of screw rod
Center line rotates, because backing cushion 65 is made of soft material while being connected to upper backrest pipe 62 and lower back pipe 63
On, when angulation change occurs for upper backrest pipe 62, the top of backing cushion 65 can change with the angulation change of upper backrest pipe 62
Become, so as to meet the different backrest angle needs of user, and then improve the comfort of user.
As shown in figure 4, one end of the wheel group connector 41 in universal wheel group 4 is fixedly connected on the leg support pipe 22 of vehicle frame 2,
The other end is connected by wheel group rotating mechanism 42 with one end of wheel fork 43, and wheel group rotating mechanism 42 can realize 360 ° of rotations, wheel fork
43 other end is connected with trundle 44, and multiple positioning holes 431, the positioning hole 431 are provided with along its vertical direction on wheel fork 43
Bearing for placing trundle 44, by the way that the positioning hole 431 of the bearing of trundle 44 and different height is connected
Realize the height regulation of universal wheel group.360 ° of rotations can be realized additionally, due to wheel group rotating mechanism 42, pass through big wheel 1 and dolly
The wheelchair allow of wheel 2 is moved to any direction.After wheelchair seat height has been adjusted, trundle can be adjusted accordingly
44 height, the wheelchair made is more smoothly run.One end of the footrest pipe 23 of vehicle frame 2 can stretch in leg support pipe 22, footrest
The other end of pipe 23 is fixedly connected with pedal 10, in use, footrest pipe 23 is moved into suitable position, then uses fastener
24 secure it within leg support pipe 22.Due to there is multiple second positioning holes 91, so skirt guard 9 can pass through the second positioning
Hole 91 and third through-hole 712 are moved up and down on wheel shaft fixture block 71, so as to realize the height regulation of shield group plate 9.In addition when uncomfortable
During the height of whole skirt guard 9, because skirt guard 9 is fixedly connected with wheel shaft fixture block 71, the skirt guard 9 when fixing clip 71 is moved
With moving with it.
As shown in fig. 7, the upper end of the handrail connecting tube 52 in armrest assembly 5 is fixedly connected with handrail 51, fitting after handrail
53 are enclosed in handrail connecting tube 52 and are connect with one end axle of arm supports 54, and the other end of arm supports 54 is fixedly connected on
It is detachably connected after the lower end of the lower back pipe 63 of recliner 6, handrail connecting tube 52 and handrail between fitting 53, i.e.,
Corresponding distance can be moved in the fitting after handrail 53 of handrail connecting tube 52 on demand, in this implementation, the edge of handrail connecting tube 52
Being provided with its vertical direction between at least two the 3rd positioning holes 521, the 3rd positioning hole 521 has unified equal
Away from the spacing in certain other embodiment between the 3rd positioning hole can not be waited.Fitting 53 is provided with and the 3rd positioning after handrail
Corresponding tenth through hole 531 in hole, in assembling, by screw rod respectively from the tenth through hole 531 and the 3rd positioning hole 521 through afterwards and spiral shell
After mother tightens, you can handrail connecting tube 52 is fixed on after handrail on fitting 53, when adjusting the height of handrail 51, screw rod is pulled out
Out, handrail connecting tube 52 is risen or declined after suitable height, then screw rod and nut are tightened, you can realize that handrail is high
The regulation of degree, so as to meet the different height needs of user.Due to being used after handrail between fitting 53 and arm supports 54
The mode that axle connects is connected, i.e., fitting 53 can rotate to an angle around arm supports 54 after handrail, you can realize handrail angle
Regulation, so as to meet the different handrail angle needs of user, and then improves the comfort of user.
Presently preferred embodiments of the present invention is the foregoing is only, is merely illustrative for invention, and it is nonrestrictive.
Those skilled in the art understands, can carry out many changes to it in the spirit and scope that claim is limited, and changes, even
It is equivalent, but fall within protection scope of the present invention.
Claims (5)
1. a kind of wheelchair adjusting means, it is characterised in that the device includes support tube, axle assembly and skirt guard, the wheel shaft
Component includes wheel shaft fixture block, hub and axle bracket, and one end of the wheel shaft fixture block is fixedly connected with the hub, another
End is socketed on the support tube and can moved horizontally along the support tube, and the axle bracket is socketed on the hub
And it can be moved up and down along the hub, the side of the hub is provided with multiple arc openings, institute along along its vertical direction
Stating between multiple arc openings has unified phase equidistantly, and one end of the axle bracket is provided with corresponding with the arc opening
Second through hole, the other end is provided with the bearing hole for being used for placing wheelchair big wheel, the lower end of the skirt guard and the wheel shaft fixture block
Connection.
2. wheelchair adjusting means according to claim 1, it is characterised in that the support tube is along along its horizontal-extending direction
Be provided between multiple first positioning holes, the multiple first positioning hole have it is unified mutually equidistant.
3. wheelchair adjusting means according to claim 2, it is characterised in that be provided with the wheel shaft fixture block and described
The corresponding first through hole of one positioning hole.
4. wheelchair adjusting means according to claim 1, it is characterised in that the skirt guard is set along along its vertical direction
Have between multiple second positioning holes, the multiple second positioning hole unified mutually equidistant.
5. wheelchair adjusting means according to claim 4, it is characterised in that be additionally provided with the wheel shaft fixture block with it is described
The corresponding third through-hole of second positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310486167.9A CN104546330B (en) | 2013-10-17 | 2013-10-17 | A kind of wheelchair adjusting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310486167.9A CN104546330B (en) | 2013-10-17 | 2013-10-17 | A kind of wheelchair adjusting means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104546330A CN104546330A (en) | 2015-04-29 |
| CN104546330B true CN104546330B (en) | 2017-10-13 |
Family
ID=53064130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310486167.9A Active CN104546330B (en) | 2013-10-17 | 2013-10-17 | A kind of wheelchair adjusting means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104546330B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726196A (en) * | 2016-12-12 | 2017-05-31 | 广州铁路职业技术学院 | The convenient scooter of intelligence |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4351540A (en) * | 1980-11-13 | 1982-09-28 | Quadra Wheelchairs, Inc. | Wheelchair construction |
| CH692179A5 (en) * | 1997-06-25 | 2002-03-15 | Kueschall Design Ag | Wheelchair and seat module for the wheelchair, |
| CN201578458U (en) * | 2009-12-03 | 2010-09-15 | 天津市鑫成新科贸有限公司 | Wheel chair with plurality of adjustable parts |
| CN201912346U (en) * | 2010-12-28 | 2011-08-03 | 卫美恒(苏州)医疗器械有限公司 | Wheelchair capable of adjusting seat depth |
| CN201978048U (en) * | 2010-12-28 | 2011-09-21 | 卫美恒(苏州)医疗器械有限公司 | Wheelchair with adjustable backrest |
| CN201959127U (en) * | 2010-12-28 | 2011-09-07 | 卫美恒(苏州)医疗器械有限公司 | Wheel chair with height-adjustable seat |
| CN201921023U (en) * | 2010-12-31 | 2011-08-10 | 卫美恒(苏州)医疗器械有限公司 | Universal wheelchair |
-
2013
- 2013-10-17 CN CN201310486167.9A patent/CN104546330B/en active Active
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| Publication number | Publication date |
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| CN104546330A (en) | 2015-04-29 |
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Address after: 213000 sirxiang Road, Wujin District, Changzhou, Jiangsu Province, No. 33 Patentee after: Changzhou China Medical equipment Limited by Share Ltd Address before: No. 1, Xiangyun Road, Wujin Economic Development Zone, Changzhou, Jiangsu Province Patentee before: Changzhou Zhongjin Medical Co., Ltd. |
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