CN103271804A - Wheelchair leg frame quick adjustment mechanism - Google Patents
Wheelchair leg frame quick adjustment mechanism Download PDFInfo
- Publication number
- CN103271804A CN103271804A CN2013102090065A CN201310209006A CN103271804A CN 103271804 A CN103271804 A CN 103271804A CN 2013102090065 A CN2013102090065 A CN 2013102090065A CN 201310209006 A CN201310209006 A CN 201310209006A CN 103271804 A CN103271804 A CN 103271804A
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- wheelchair
- positioning strip
- quick adjustment
- frame
- lower limb
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Abstract
The invention relates to a wheelchair leg frame quick adjustment mechanism. The wheelchair leg frame quick adjustment mechanism comprises an adjustment positioning strip fixed on a wheelchair main frame, wherein a plurality of protrusions are arranged at the inner side of the adjustment positioning strip, a modularized assembling part is fixed on the adjustment positioning strip through an adjustment spanner, the modularized assembling part can move up and down on the wheelchair main frame, a foot frame rod is connected to the modularized assembling part, a pedal is fixed at the lower end of the foot frame rod, different horizontal directions of the foot frame rod can be converted on the modularized assembling part, and the modularized assembling part fixes a positioning shaft pin between the protrusions of different heights through the adjustment spanner to adjust different heights of the pedal. The wheelchair leg frame quick adjustment mechanism is compact in structure, simple in part structure, convenient to machine, capable of adjusting the height and the horizontal angle of the pedal, simple in adjustment, and high in operability.
Description
Technical field
The present invention relates to wheelchair lower limb frame quick adjustment mechanism, it is the adjustment structure of quick, the easy adjusting wheelchair of a kind of energy lower limb frame height and horizontal direction, belongs to the wheelchair field.
Background technology
Wheelchair is the basic walking-replacing tool that foot or shank have the walking disorder crowd, be sitting in the people on the wheelchair, foot is placed on the pedal usually, the position of foot and highly remain motionless, be unfavorable for this class crowd's rehabilitation, so the wheelchair of convertible pedal height has become demand.
In the prior art, regulating wheelchair pedal height need be by means of instruments such as spanners, the process more complicated of regulating: need earlier clamping device to be unclamped, when adjusting the lower limb frame to the desired height position, again that clamping device and lower limb frame is fastening, so user can't be regulated under the sitting posture state voluntarily, need other staff to help through, or user leave and regulate after the seat again; In the adjustment process, as clamping device and the fastening not in place or clamp device wearing and tearing of lower limb frame, easily produce insufficient clamping force and cause the loosening or unexpected downslide of lower limb frame in addition, influence the safety of user and the reliability of function of use; This regulative mode is given and can't be left seat and think that the user that repeated multiple times is regulated brings great inconvenience.
Summary of the invention
In order to solve the problem of above-mentioned existence, the invention discloses a kind of wheelchair lower limb frame quick adjustment mechanism, this governor motion is integral type combination integrated morphology, be about to the required adjusting of wheelchair lower limb frame to height and level angle, combination is integrated in the mechanism, need be by other instruments or mechanism for assembling-disassembling, simultaneously, this governor motion structure and technology are simple, and low cost of manufacture is used safety, reliable, convenient.
Wheelchair lower limb frame quick adjustment mechanism, comprise the modular combination part and regulate positioning strip, regulating positioning strip and wheelchair body frame fixes, the modular combination part comprises with bolt and connecting, symmetry is fitted in two contiguous blocks of wheelchair body frame both sides, and the modular combination part is fixed on the adjusting positioning strip by regulating spanner, and the modular combination part is connected and fixed foot frame rod, the lower end of foot frame rod is provided with pedal, and foot frame rod is positioned at the opposite side of regulating positioning strip.
The welding of two ends and wheelchair body frame is fixed about the described adjusting positioning strip, and middle have the space at interval with the wheelchair body frame, and adjusting positioning strip inboard is the projection of right-angled trapezium, and the upper base of right-angled trapezium is the top margin of projection, and right-angle side is positioned at above the hypotenuse.
The quantity of described projection is more than 3, leaves the space between the adjacent protrusion.
Described modular combination part is being regulated between the positioning strip upper and lower side, be provided with mounting hole on two contiguous blocks, mounting hole is between wheelchair body frame and adjusting positioning strip, a location axle pin runs through mounting hole, location axle pin is stuck in the space between the neighbouring projection, and the location axle pin two ends are connecting the adjusting spanner.
Described adjusting spanner is terminal two " L " shape adjustable plates that laterally connect, and the centre of regulating spanner is connected the mounting hole outside by location axle pin, and end extends in the outside of regulating positioning strip, and head end is by being bolted to the contiguous block surface.
Location axle pin below the described adjustable plate is provided with back-moving spring, and the other end of back-moving spring is hooked in the edge of contiguous block.
The another side of described modular combination part is provided with the angle orientation groove, and the top of foot frame rod is provided with cross bar, and cross bar is stuck in the angle orientation groove.
Described angle orientation groove has 3, lays respectively at the symmetrical left and right sides of modular combination part, and dead ahead.
Described two contiguous block symmetries are fitted in the both sides of wheelchair body frame and foot frame rod, and the outside contiguous block of the both sides of wheelchair body frame and foot frame rod all is fixedly connected with two bolts up and down.
The present invention, compact conformation by regulating spanner, can be regulated easyly, and wheelchair is being used under the state, also can regulate the direction of height and the conversion pedal of pedal.
Description of drawings
Fig. 1 is the installation site sketch map of the present invention on wheelchair,
Fig. 2 is structure of the present invention (A place among Fig. 1) sketch map,
Fig. 3 be the B of Fig. 2 to sketch map,
Fig. 4 is the structural representation after the present invention removes the adjusting spanner,
Fig. 5 is the structural representation of regulating spanner,
Fig. 6 is the connection status figure of pedal and foot frame rod,
Reference numerals list: 1-wheelchair body frame, 2-adjusting positioning strip, 2-1-projection, 3-fixed assembly, 3-1-contiguous block, 4-foot frame rod, 5-pedal, 6-adjusting spanner, the end of 6-1-adjusting spanner, the centre of 6-2-adjusting spanner, the head end of 6-3-adjusting spanner, 7-mounting hole, 8-bolt, 9-angle orientation groove, 10-cross bar, 11-location axle pin, 12-back-moving spring, 13-adjustable plate.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention.Should understand the following specific embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention.Need to prove, word " preceding ", " back ", " left side ", " right side ", the "up" and "down" used are described below refer to the direction in the accompanying drawing, word " interior " and " outward " refer to respectively towards or away from the direction of specific features geometric center.
As can be seen from Fig. 1, the present invention is installed on the wheelchair foot rest, and user is sitting on the wheelchair, can regulate height and the direction of pedal voluntarily.
2,3 and 4 as seen by reference to the accompanying drawings, this wheelchair lower limb frame quick adjustment mechanism, regulating positioning strip welds with wheelchair body frame 1 and fixes in two ends 2 about, middle have the space at interval with wheelchair body frame 1, regulating positioning strip 2 inboards is the protruding 2-1 of right-angled trapezium, and the upper base of right-angled trapezium is the top margin of protruding 2-1, and right-angle side is positioned at above the hypotenuse, the quantity of projection 2-1 is more than 3, leaves the space between the adjacent protrusion 2-1.The present invention regulates positioning strip 2 and fixes with the relative position of wheelchair body frame 1, and the space between the adjacent protrusion 2-1 is used for location axle pin 11 and is stuck in wherein the height of positioning and fixing molectron 3 on wheelchair body frame 1.Projection 2-1 shape, when making stationary state, the lower surface of location axle pin 11 is conflicted at the right-angle side of level, can landing, a plurality of protruding 2-1 just have the gap between a plurality of adjacent protrusion 2-1, have a plurality of height and positions can be for regulating.
In conjunction with Fig. 4, as seen regulate the structure of spanner 6, regulate the two side arms of spanner 6 by 11 fixedly connected 3-1 of location axle pin, fixed assembly 3 comprises with bolt 8 and connecting, symmetry is fitted in two contiguous block 3-1 of wheelchair body frame 1 both sides, fixed assembly 3 is fixed on the adjusting positioning strip 2 by regulating spanner 6, fixed assembly 3 is being regulated between positioning strip 2 upper and lower sides, be provided with mounting hole 7 on two contiguous block 3-1, mounting hole 7 is between wheelchair body frame 1 and adjusting positioning strip 2, a location axle pin 11 runs through mounting hole 7, and location axle pin 11 is stuck in the space between the neighbouring protruding 2-1, and location axle pin 11 two ends are connecting adjusting spanner 6.The terminal 6-1 of described adjusting spanner is two " L " shape adjustable plates 13 that laterally connect, the centre of regulating spanner 6 is connected mounting hole 7 outsides by location axle pin 11, the terminal 6-1 that regulates spanner extends in the outside of regulating positioning strip 2, and the head end 6-3 that regulates spanner is fixed on contiguous block 3-1 surface by bolt 8; Location axle pin 11 below the adjustable plate is provided with back-moving spring 12, and the other end of back-moving spring 12 is hooked in the edge of contiguous block 3-1.Location axle pin 11 is under the pulling of back-moving spring 12, be stuck between the neighbouring protruding 2-1, fixed assembly 3 is fixing, when regulating height, regulate on the spanner 6 and lift, location axle pin 11 moves to the other end of mounting hole 7, is positioned at the top outer of protruding 2-1, and fixed assembly 3 can move up and down at wheelchair body frame 1, be adjusted in suitable height, unclamp and regulate spanner 6, location axle pin 11 sticks between one group of adjacent protruding 2-1 automatically, fixed assembly 3 fixed-site.
Fixed assembly 3 is connected and fixed foot frame rod 4, the lower end of foot frame rod 4 is provided with pedal 5, foot frame rod 4 is positioned at the opposite side of regulating positioning strip 2, fixed assembly 3 is provided with angle orientation groove 9, the top of foot frame rod 4 is provided with cross bar 10, and cross bar 10 is stuck in the angle orientation groove 9, and angle orientation groove 9 has 3, lay respectively at the symmetrical left and right sides of fixed assembly 3, and dead ahead.Pedal 5 is used for putting foot, foot is being supported, pedal 5 is fixedlyed connected with foot frame rod 4, the cross bar 10 of foot frame rod 4 by top is stuck in the angle orientation groove 9 and is connected with fixed assembly 3, cross bar 10 can be stuck in the different angle orientation grooves 9, the direction of pedal 5 also will change, cross bar 10 is stuck in the angle orientation groove 9 of symmetrical left and right sides of fixed assembly 3, pedal 5 is positioned at inboard or the outside of wheelchair, be stuck in the angle orientation groove 9 of dead ahead, pedal 5 is positioned at the dead ahead of wheelchair.
Described two contiguous block 3-1 symmetries are fitted in the both sides of wheelchair body frame 1 and foot frame rod 4, and the outside contiguous block 3-1 of the both sides of wheelchair body frame 1 and foot frame rod 4 all is fixedly connected with two bolts 8 up and down.Screw-threaded coupling connects, and has good whole intensity, and it is few simple in structure that existing relatively lower limb frame governor motion has part, the advantage of the easy to control and good manufacturability of precision.
The disclosed technological means of the present invention program is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme of being made up of above technical characterictic combination in any.
Claims (9)
1. wheelchair lower limb frame quick adjustment mechanism, it is characterized in that comprising the modular combination part and regulate positioning strip, regulating positioning strip and wheelchair body frame fixes, the modular combination part comprises with bolt and connecting, symmetry is fitted in two contiguous blocks of wheelchair body frame both sides, and the modular combination part is fixed on the adjusting positioning strip by regulating spanner, and the modular combination part is connected and fixed foot frame rod, the lower end of foot frame rod is provided with pedal, and foot frame rod is positioned at the opposite side of regulating positioning strip.
2. wheelchair lower limb frame quick adjustment according to claim 1 mechanism, it is characterized in that described adjusting positioning strip fixes with the welding of wheelchair body frame at two ends up and down, middle have the space at interval with the wheelchair body frame, regulating the positioning strip inboard is the projection of right-angled trapezium, the upper base of right-angled trapezium is the top margin of projection, and right-angle side is positioned at above the hypotenuse.
3. wheelchair lower limb frame quick adjustment according to claim 2 mechanism, the quantity that it is characterized in that described projection is more than 3, leaves the space between the adjacent protrusion.
4. wheelchair lower limb frame quick adjustment according to claim 2 mechanism, it is characterized in that described modular combination part is between adjusting positioning strip upper and lower side, be provided with mounting hole on two contiguous blocks, mounting hole is between wheelchair body frame and adjusting positioning strip, a location axle pin runs through mounting hole, location axle pin is stuck in the space between the neighbouring projection, and the location axle pin two ends are connecting the adjusting spanner.
5. wheelchair lower limb frame quick adjustment according to claim 4 mechanism, it is characterized in that described adjusting spanner is terminal two " L " shape adjustable plates that laterally connect, the centre of regulating spanner is connected the mounting hole outside by location axle pin, end extends in the outside of regulating positioning strip, and head end is by being bolted to the contiguous block surface.
6. wheelchair lower limb frame quick adjustment according to claim 5 mechanism is characterized in that the location axle pin below the described adjustable plate is provided with back-moving spring, and the other end of back-moving spring is hooked in the edge of contiguous block.
7. wheelchair lower limb frame quick adjustment according to claim 1 mechanism is characterized in that the another side of described modular combination part is provided with the angle orientation groove, and the top of foot frame rod is provided with cross bar, and cross bar is stuck in the angle orientation groove.
8. wheelchair lower limb frame quick adjustment according to claim 7 mechanism is characterized in that described angle orientation groove has 3, lays respectively at the symmetrical left and right sides of modular combination part, and dead ahead.
9. according to the above any described wheelchair lower limb of claim frame quick adjustment mechanism, it is characterized in that described two contiguous block symmetries are fitted in the both sides of wheelchair body frame and foot frame rod, the outside contiguous block of the both sides of wheelchair body frame and foot frame rod all is fixedly connected with two bolts up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310209006.5A CN103271804B (en) | 2013-05-30 | 2013-05-30 | Wheelchair leg frame quick adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310209006.5A CN103271804B (en) | 2013-05-30 | 2013-05-30 | Wheelchair leg frame quick adjustment mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103271804A true CN103271804A (en) | 2013-09-04 |
| CN103271804B CN103271804B (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310209006.5A Active CN103271804B (en) | 2013-05-30 | 2013-05-30 | Wheelchair leg frame quick adjustment mechanism |
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| Country | Link |
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| CN (1) | CN103271804B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105362005A (en) * | 2015-12-02 | 2016-03-02 | 广西大学 | Adjustable wheelchair |
| CN110368215A (en) * | 2018-04-13 | 2019-10-25 | 日本国河村株式会社 | It is mobile to support apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6338496B1 (en) * | 1998-03-27 | 2002-01-15 | O'neill, Sr. Theodore C. | Tilt-in-space wheelchair |
| CN2734195Y (en) * | 2004-08-23 | 2005-10-19 | 禄泰股份有限公司 | Lifting mechanism of wheelchair pedal |
| CN2928073Y (en) * | 2006-07-27 | 2007-08-01 | 唐承慧 | Wheel chair pedal plate mechanism |
| CN201076566Y (en) * | 2007-08-13 | 2008-06-25 | 康扬股份有限公司 | Wheelchair foot rest structure |
| CN101305952A (en) * | 2008-06-13 | 2008-11-19 | 史平华 | Multifunctional electric wheelchair pedal adjusting apparatus |
| CN203244514U (en) * | 2013-05-30 | 2013-10-23 | 杰曼（苏州）金属制造有限公司 | Wheelchair leg frame quick adjustment mechanism |
-
2013
- 2013-05-30 CN CN201310209006.5A patent/CN103271804B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6338496B1 (en) * | 1998-03-27 | 2002-01-15 | O'neill, Sr. Theodore C. | Tilt-in-space wheelchair |
| CN2734195Y (en) * | 2004-08-23 | 2005-10-19 | 禄泰股份有限公司 | Lifting mechanism of wheelchair pedal |
| CN2928073Y (en) * | 2006-07-27 | 2007-08-01 | 唐承慧 | Wheel chair pedal plate mechanism |
| CN201076566Y (en) * | 2007-08-13 | 2008-06-25 | 康扬股份有限公司 | Wheelchair foot rest structure |
| CN101305952A (en) * | 2008-06-13 | 2008-11-19 | 史平华 | Multifunctional electric wheelchair pedal adjusting apparatus |
| CN203244514U (en) * | 2013-05-30 | 2013-10-23 | 杰曼（苏州）金属制造有限公司 | Wheelchair leg frame quick adjustment mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105362005A (en) * | 2015-12-02 | 2016-03-02 | 广西大学 | Adjustable wheelchair |
| CN110368215A (en) * | 2018-04-13 | 2019-10-25 | 日本国河村株式会社 | It is mobile to support apparatus |
| CN110368215B (en) * | 2018-04-13 | 2022-10-04 | 日本国河村株式会社 | Movement assistance tool |
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| Publication number | Publication date |
|---|---|
| CN103271804B (en) | 2016-02-17 |
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