CN106264914A - A kind of front fork bearing level adjusting structure of wheelchair - Google Patents
A kind of front fork bearing level adjusting structure of wheelchair Download PDFInfo
- Publication number
- CN106264914A CN106264914A CN201610664626.1A CN201610664626A CN106264914A CN 106264914 A CN106264914 A CN 106264914A CN 201610664626 A CN201610664626 A CN 201610664626A CN 106264914 A CN106264914 A CN 106264914A
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- Prior art keywords
- tensioning
- wheel
- wheelchair
- front fork
- connecting shaft
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- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Handcart (AREA)
Abstract
The invention discloses the front fork bearing level adjusting structure of a kind of wheelchair, including front-wheel and front fork, one end of front fork is connected with wheelchair, the other end is connected with front-wheel by front cross-arm, the other end of described front fork is provided with round buss, relative round buss axial restraint or the strainer of axial rotation are installed in round buss, extend along arc profile bottom round buss and offer arc regulating tank, strainer connects the connecting shaft extending arc regulating tank, the other end of connecting shaft is swung by connecting shaft arcuately regulating tank with front cross-arm, it is achieved the regulation of front-wheel；It is simple and reasonable for structure, easy to adjust, adapts to front-wheel after rising or falling adjustment, is correspondingly swung around the axle being parallel to horizontal plane by front-wheel and adjusts, makes connecting shaft remain perpendicular to horizontal plane, it is ensured that the stability in use of front-wheel and safety.
Description
Technical field
The present invention relates to wheelchair field, the front fork bearing level adjusting structure of a kind of wheelchair.
Background technology
At present, the wheelchair of prior art, the structure of front-wheel arbitrarily can rotate with the axle of Relative vertical horizontal plane, it is achieved wheelchair
The change of direction of advance, but typically can not swing around the axle being parallel to horizontal plane, when front-wheel realizes inclining by other governor motions
After inclined lift adjustment, the front-wheel before and after lifting, its axis being perpendicular to horizontal plane i.e. can offset, and needs to be adjusted
It is avoided that front-wheel occurs vibration or shake, the improvement that the present invention truly makes based on solving the problems referred to above during exercising.
Summary of the invention
It is an object of the invention to solve above-mentioned existing problem, it is provided that a kind of front fork of wheel chair axle simple and reasonable for structure
Holding level adjusting structure, it is easy to adjust, adapts to front-wheel after rising or falling adjustment, correspondingly can be by front-wheel around parallel
Axle in horizontal plane swings and adjusts, and makes the axis being perpendicular to horizontal plane keep vertical.
The technical solution adopted for the present invention to solve the technical problems is:
The front fork bearing level adjusting structure of a kind of wheelchair, including front-wheel and front fork, one end of front fork is connected with wheelchair, the other end
Being connected with front-wheel by front cross-arm, it is characterized in that, the other end of described front fork is provided with round buss, is provided with round in round buss
Sleeve axial restraint or the strainer of axial rotation, extend along arc profile bottom round buss and offer arc regulating tank,
Tight mechanism connects the connecting shaft extending arc regulating tank, and the other end of connecting shaft is arcuately adjusted by connecting shaft with front cross-arm
Joint groove swings, it is achieved the regulation of front-wheel.
Use the front fork of wheel chair bearing level adjusting structure of this structure, connecting shaft must be made due to front-wheel in use vertical
Horizontal plane, can normally use, and utilizes the strainer in round buss to realize being locked or unclamping tune by regulation tensioning
Joint, is unclamping adjustment state, and strainer can axial rotation in round buss relatively so that connecting shaft follows strainer along arc
Shape regulating tank swings, it is achieved the front-wheel regulation being arranged on front cross-arm；By this regulation so that even if front fork is by one end and wheel
Chair coordinate realize tilting lifting, it is also possible to by said mechanism, front-wheel is adjusted, finally make connecting shaft remain with
Horizontal plane, it is ensured that the stability in use of front-wheel and safety.
The present invention can also use techniques below measure to solve:
Described strainer includes tensioning cylinder, two tensioning slide blocks and regulation bolt, and connecting shaft is connected on tensioning cylinder,
Tight cylinder is axially set in round buss, and tensioning cylinder two ends offer two tensioning breach, constitutes tensioning between two tensioning breach
Fixed block, the tensioning fixed block that two tensioning breach are corresponding is respectively provided on two sides with the first symmetrical tensioning inclined-plane, and two tensionings are sliding
Block is correspondingly arranged on two tensioning breach respectively, and each tensioning slide block is provided with the second tensioning coordinated with the first tensioning inclined-plane
Inclined-plane, regulation bolt is each passed through two tensioning slide blocks and tensioning fixed block, make two tensioning slide blocks simultaneously along the first tensioning inclined-plane in
Tilting regulation location, it is achieved strainer is relative to round buss axial restraint or axial rotation；By regulating the degree of tightness of bolt, real
Existing two tensioning slide blocks realize sliding, when the outer face sliding into two tensioning slide blocks is pressed on simultaneously along two first tensioning inclined-planes respectively
After round buss inwall, the outer wall of tensioning cylinder is the most also pressed on round buss inwall, and now, whole strainer is i.e. fixed on circle
Sleeve inner position, it is impossible to axial rotation；And when needed, regulate bolt the most in opposite direction, make two tensionings sliding
Block is along the first tensioning inclined-plane reverse slide, after making the outer face of two tensioning slide blocks depart from round buss inwall, and the outer wall of tensioning cylinder
The most also depart from round buss inwall, the rotation to tensioning cylinder can be carried out, it is achieved connecting shaft arcuately regulating tank carrys out backswing
Dynamic regulation, its regulation is simple, it is only necessary to compensating roller bolt can realize, easy to use.
Described front-wheel is rotationally connected with front cross-arm by rotating shaft.
The central axis of round buss and plane-parallel.
It is provided with the compact heap being set in connecting shaft between front cross-arm and arc regulating tank, makes front cross-arm by connecting shaft
It is pressed on round buss outer wall by compact heap, and compact heap is provided with the arc groove coordinated with round buss outer wall；Pass through compact heap
Compression, in addition to strainer, be further added by one fixed structure, make structure more stable, more firm after compression, use
Come safer, when needing regulation, it is necessary to strainer and compact heap are all unclamped, regulation could be realized, play double insurance
Effect.
Described arc regulating tank is kidney slot；Kidney slot is suitable for coordinating with connecting shaft, and its two ends of kidney slot are similarly arc
Body.
The outer wall of described tensioning cylinder is provided with groove；Groove on tensioning cylinder is for reducing contact area, increase with
Pressure between the inwall of round buss, increases frictional force during locking location so that use structure safer.
The invention has the beneficial effects as follows:
The front fork bearing level adjusting structure of a kind of wheelchair, must make connecting shaft vertical level in use, just due to front-wheel
Can normally use, utilize the strainer in round buss to realize being locked or unclamping regulation by regulation tensioning, unclamping
Adjustment state, strainer can axial rotation in round buss relatively so that connecting shaft follows strainer arcuately regulating tank
Swing, it is achieved the front-wheel regulation being arranged on front cross-arm；By this regulation so that even if front fork coordinates real by one end with wheelchair
Existing tilting lifting, it is also possible to be adjusted by front-wheel by said mechanism, is finally made connecting shaft remain with horizontal plane and hangs down
Directly, it is ensured that the stability in use of front-wheel and safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the sectional view of Fig. 1 section line A-A.
Fig. 3 is the schematic diagram of front wheel shimmy amplitude.
Fig. 4 is the structural representation of the present invention.
Fig. 5 is the structural representation that the present invention is arranged on wheelchair.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, the front fork bearing level adjusting structure of a kind of wheelchair, including front-wheel 1 and front fork 2, front fork 2
One end be connected with wheelchair 3, the other end is connected with front-wheel 1 by front cross-arm 4, it is characterized in that, the other end of described front fork 2 is provided with
Round buss 201, is provided with the strainer 5 of relative round buss 201 axial restraint or axial rotation, round buss in round buss 201
Extending along arc profile bottom 201 and offer arc regulating tank 202, strainer 5 connection has extends arc regulating tank 202
Connecting shaft 6, the other end of connecting shaft 6 and front cross-arm 4, swung by connecting shaft 6 arcuately regulating tank 202, it is achieved the tune of front-wheel 1
Joint.
Use the front fork of wheel chair bearing level adjusting structure of this structure, connecting shaft 6 must be made due to front-wheel 1 in use to hang down
Straight horizontal plane, can normally use, utilize strainer 5 in round buss 201 to realize being locked by regulation tensioning or
Unclamping regulation, unclamping adjustment state, strainer 5 can axial rotation in round buss 201 relatively so that connecting shaft 6 is followed
Strainer 5 arcuately regulating tank 202 swings, it is achieved the front-wheel 1 being arranged on front cross-arm 4 regulates；By this regulation so that i.e.
Make front fork 2 be coordinated with the inclined tube 301 of wheelchair 3 by one end and realize tilting lifting, it is also possible to by said mechanism, front-wheel 1 is entered
Row sum-equal matrix, finally makes connecting shaft 6 remain and horizontal plane, it is ensured that the stability in use of front-wheel 1 and safety.
More specifically embodiment as the present embodiment:
Described strainer 5 includes tensioning cylinder 501, two tensioning slide block 502 and regulation bolt 503, and connecting shaft 6 is connected to open
On tight cylinder 501, tensioning cylinder 501 is axially set in round buss 201, and tensioning cylinder 501 two ends offer two tensioning breach
501-1, constitutes tensioning fixed block 501-2, two tensioning fixed blocks corresponding for tensioning breach 501-1 between two tensioning breach 501-1
501-2 is respectively provided on two sides with the first symmetrical tensioning inclined-plane 501-3, and two tensioning slide blocks 502 are correspondingly arranged at two respectively
On mouth 501-1 in short supply, and each tensioning slide block 502 is provided with the second tensioning inclined-plane coordinated with the first tensioning inclined-plane 501-3
502-1, regulation bolt 503 is each passed through two tensioning slide blocks 502 and tensioning fixed block 501-2, makes two tensioning slide blocks 502 edge simultaneously
First tensioning inclined-plane 501-3 inclined formula regulation location, it is achieved relative round buss 201 axial restraint of strainer 5 or axially turn
Dynamic；By regulating the degree of tightness of bolt 503, it is achieved two tensioning slide blocks 502 realize along two first tensionings oblique 501-3 face sliding respectively,
After the outer face 502-2 sliding into two tensioning slide blocks 502 is pressed on round buss 201 inwall simultaneously, the outer wall of tensioning cylinder 501
501-4 is the most also pressed on round buss 201 inwall, and now, whole strainer 5 is i.e. fixed on round buss 201 inner position, it is impossible to
Axial rotation；And when needed, regulation regulation bolt 503 the most in opposite direction, make two tensioning slide blocks 502 along the
One tensioning inclined-plane 501-3 reverse slide, after making the outer face 502-2 of two tensioning slide blocks 502 depart from round buss 201 inwall, tensioning
The outer wall 501-4 of cylinder 501 the most also departs from round buss 201 inwall, can carry out the rotation to tensioning cylinder 501, it is achieved
Connecting shaft arcuately regulating tank 202 swings back and forth regulation, and its regulation is simple, it is only necessary to compensating roller bolt 503 can realize, and makes
With convenient.
Described front-wheel 1 is rotationally connected with front cross-arm 4 by rotating shaft 7.
The central axis of round buss 201 and plane-parallel.
The compact heap 8 being set in connecting shaft 6 it is provided with, by connecting shaft 6 between front cross-arm 4 and arc regulating tank 202
Make front cross-arm 4 be pressed on round buss 201 outer wall by compact heap 8, and compact heap 8 is provided with the arc coordinated with round buss 201 outer wall
Connected in star 801；By the compression of compact heap 8, in addition to strainer 5, it is further added by one fixed structure, makes structure more steady
Fixed, more firm after compression, use safer, when needing regulation, it is necessary to strainer 5 and compact heap 8 are all unclamped,
Regulation could be realized, play the effect of double insurance.
Described arc regulating tank 202 is kidney slot；Kidney slot is suitable for coordinating with connecting shaft, and its two ends of kidney slot are similarly arc
Body.
The outer wall 501-4 of described tensioning cylinder 501 is provided with groove 501-5；Groove 501-5 on tensioning cylinder 501 is to use
In reducing contact area, increase pressure between the inwall of round buss 201, increase frictional force during locking location so that make
Use structure safer.
Particular embodiments described above, preferred embodiment the most of the present invention, such as according to the present patent application patent
The equivalent arrangements that scope is done, the technology that all should be the present invention is contained.
Claims (7)
1. a front fork bearing level adjusting structure for wheelchair, including front-wheel (1) and front fork (2), one end of front fork (2) and wheelchair
(3) connecting, the other end is connected with front-wheel (1) by front cross-arm (4), it is characterized in that, the other end of described front fork (2) is provided with circle set
Cylinder (201), is provided with the strainer (5) of relative round buss (201) axial restraint or axial rotation in round buss (201), circle
Sleeve (201) bottom offers arc regulating tank (202) along arc profile extension, and strainer (5) connection has extends arc
The connecting shaft (6) of regulating tank (202), the other end of connecting shaft (6) and front cross-arm (4) are by connecting shaft (6) arcuately regulating tank
(202) swing, it is achieved the regulation of front-wheel (1).
The front fork bearing level adjusting structure of a kind of wheelchair, it is characterised in that described strainer
(5) including tensioning cylinder (501), two tensioning slide blocks (502) and regulation bolt (503), connecting shaft (6) is connected to tensioning cylinder
(501) on, tensioning cylinder (501) is axially set in round buss (201), and tensioning cylinder (501) two ends offer two tensionings and lack
Mouth (501-1), constitutes tensioning fixed block (501-2) between two tensioning breach (501-1), two tensioning breach (501-1) correspondences
Tensioning fixed block (501-2) is respectively provided on two sides with the first symmetrical tensioning inclined-plane (501-3), two tensioning slide blocks (502) point
It is not correspondingly placed on two tensioning breach (501-1), and each tensioning slide block (502) is provided with and the first tensioning inclined-plane (501-
3) the second tensioning inclined-plane (502-1) coordinated, regulation bolt (503) is each passed through two tensioning slide block (502) and tensioning fixed blocks
(501-2), make two tensioning slide blocks (502) simultaneously along the first tensioning inclined-plane (501-3) inclined formula regulation location, it is achieved tensioning device
Structure (5) round buss (201) axial restraint or axial rotation relatively.
The front fork bearing level adjusting structure of a kind of wheelchair, it is characterised in that described front-wheel (1)
It is rotationally connected with front cross-arm (4) by rotating shaft (7).
The front fork bearing level adjusting structure of a kind of wheelchair, it is characterised in that round buss (201)
Central axis and plane-parallel.
A kind of front fork bearing level adjusting structure of wheelchair, it is characterised in that front cross-arm (4) with
It is provided with the compact heap (8) being set in connecting shaft (6) between arc regulating tank (202), makes front cross-arm (4) by connecting shaft (6)
It is pressed on round buss (201) outer wall by compact heap (8), and compact heap (8) is provided with the arc coordinated with round buss (201) outer wall
Groove (801).
6. according to the front fork bearing level adjusting structure of a kind of wheelchair described in any one of claim 1 to 5, it is characterised in that institute
Stating arc regulating tank (202) is kidney slot.
The front fork bearing level adjusting structure of a kind of wheelchair, it is characterised in that described tensioning cylinder
(501) outer wall (501-4) is provided with groove (501-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664626.1A CN106264914B (en) | 2016-08-15 | 2016-08-15 | A kind of preceding fork bearing level adjusting structure of wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664626.1A CN106264914B (en) | 2016-08-15 | 2016-08-15 | A kind of preceding fork bearing level adjusting structure of wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106264914A true CN106264914A (en) | 2017-01-04 |
| CN106264914B CN106264914B (en) | 2018-08-17 |
Family
ID=57670315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610664626.1A Active CN106264914B (en) | 2016-08-15 | 2016-08-15 | A kind of preceding fork bearing level adjusting structure of wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106264914B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060087098A1 (en) * | 2004-10-25 | 2006-04-27 | Peterson Christopher J | Wheelchair |
| CN201542842U (en) * | 2009-11-23 | 2010-08-11 | 佛山市东方医疗设备厂有限公司 | Shock-proof wheel chair |
| US20110221161A1 (en) * | 2010-03-09 | 2011-09-15 | Tisport Llc | Adjustable front caster mount assembly for a wheelchair |
| US8662516B1 (en) * | 2012-03-05 | 2014-03-04 | Murray G. Slagerman | Wheelchair caster mounting assembly |
| CN104553612A (en) * | 2013-10-17 | 2015-04-29 | 常州中进医疗器材有限公司 | Angle-adjustable universal wheel |
| CN206295423U (en) * | 2016-08-15 | 2017-07-04 | 广东顺德毅途运动科技有限公司 | The preceding fork bearing level adjusting structure of wheelchair |
-
2016
- 2016-08-15 CN CN201610664626.1A patent/CN106264914B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060087098A1 (en) * | 2004-10-25 | 2006-04-27 | Peterson Christopher J | Wheelchair |
| CN201542842U (en) * | 2009-11-23 | 2010-08-11 | 佛山市东方医疗设备厂有限公司 | Shock-proof wheel chair |
| US20110221161A1 (en) * | 2010-03-09 | 2011-09-15 | Tisport Llc | Adjustable front caster mount assembly for a wheelchair |
| US8662516B1 (en) * | 2012-03-05 | 2014-03-04 | Murray G. Slagerman | Wheelchair caster mounting assembly |
| CN104553612A (en) * | 2013-10-17 | 2015-04-29 | 常州中进医疗器材有限公司 | Angle-adjustable universal wheel |
| CN206295423U (en) * | 2016-08-15 | 2017-07-04 | 广东顺德毅途运动科技有限公司 | The preceding fork bearing level adjusting structure of wheelchair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106264914B (en) | 2018-08-17 |
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