CN102028588A - Manual wheelchair - Google Patents
Manual wheelchair Download PDFInfo
- Publication number
- CN102028588A CN102028588A CN 201010599518 CN201010599518A CN102028588A CN 102028588 A CN102028588 A CN 102028588A CN 201010599518 CN201010599518 CN 201010599518 CN 201010599518 A CN201010599518 A CN 201010599518A CN 102028588 A CN102028588 A CN 102028588A
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- pair
- fixed block
- vehicle frame
- trailing wheel
- wheel fixed
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Abstract
The invention discloses a manual wheelchair, which is means of transport for people suffering from amputation, paraplegia, hemiplegia, fracture and other lower limb dysfunctions and people who are weak people and have walking difficulties. The manual wheelchair comprises a frame, foot pedals, armrests, a handle, a backrest, a cushion, a pair of front universal wheels and a pair of rear wheels, wherein the foot pedals, the armrests, the handle, the backrest and the cushion are arranged on the frame respectively. The manual wheelchair is characterized in that: a pair of rear wheel fixed blocks with the same structure is also fixed on the frame; an outside surface of the rear wheel fixed blocks is provided with an inclined surface; the inclined surface inclines an angle alpha in a vertical direction; the pair of rear wheels is pivoted on the pair of rear wheel fixed blocks; and an inclined angle alpha is also formed between the pair of rear wheels and the ground in the vertical direction, wherein the inclined angles alpha are 2 to 4 degrees. The invention has the advantages that: the wheelchair can move more easily and more stably, the frame of an original wheelchair is not needed to be modified; therefore, the cost is low, the assembly is convenient and quick and the structure is simple.
Description
Technical field
The present invention relates to a kind of manual pulley Wheel-chair that can be driven voluntarily by user, is dysbasia persons' such as lower limb disableds such as amputation, paraplegia, hemiplegia, fracture and physical weakness walking-replacing tool.
Background technology
The common in the market manual pulley Wheel-chair that is applicable to people with disability and old people, mainly comprise vehicle frame, respectively be located at footboard on the vehicle frame, handrail, handle, backrest, medicated cushion and a pair of before universal wheel and pair of rear wheels, described pair of rear wheels is directly installed on the vehicle frame by the wheel shaft on it, and is vertical setting between pair of rear wheels and the ground.The deficiency that this structure exists in actual use is: because trailing wheel is perpendicular to ground, make wheelchair stress surface when motion bigger, and the comparatively effort of travelling, particularly when climbing, not only hard, and wild effect also can appear rocking etc. under steam.
For this reason, the applicant has passed through useful exploration, finds a way to resolve the problem, and technical scheme described below produces under this background.
Summary of the invention
At above-mentioned existing problems, task of the present invention be to provide a kind of simple in structure, easy for installation, can make the manual pulley Wheel-chair that wheelchair is more laborsaving in when motion and travel more stable.
Task of the present invention is finished like this, a kind of manual pulley Wheel-chair, comprise vehicle frame, be located at the footboard on the vehicle frame respectively, handrail, handle, backrest, medicated cushion and a pair of preceding universal wheel and pair of rear wheels, be characterized in: on described vehicle frame, also be fixed with the identical trailing wheel fixed block of a pair of structure, the lateral surface of described trailing wheel fixed block is an inclined-plane, this inclined-plane is α at the inclination angle of vertical direction, described pair of rear wheels is pivotally connected on the pair of rear wheels fixed block, and make between the vertical direction on pair of rear wheels and ground and have inclined angle alpha equally, the angular dimension of described inclined angle alpha is 2 °～4 °.
In a specific embodiment of the present invention, the angular dimension of described inclined angle alpha is preferably 3 °.
In another specific embodiment of the present invention, offer screw hole on the described trailing wheel fixed block, correspondingly, on described vehicle frame, offer the height adjustment hole, the trailing wheel fixed block is used nut check behind the corresponding height adjustment hole by screw passing on screw hole and the vehicle frame, thereby the trailing wheel fixed block is fixed on the vehicle frame.
In another specific embodiment of the present invention, described height adjustment hole has a plurality of, is set in distance between each height adjustment hole.
In another specific embodiment of the present invention, described trailing wheel fixed block offers the adjustment axis hole in the centre of length direction, adjust axially and between the plane, lateral surface place being vertical setting of axis hole, at adjustment axis hole internal fixation axle bed is installed, described trailing wheel is pivotally connected on axle bed by the wheel shaft on it.
Also have in the specific embodiment of the present invention, described adjustment axis hole has a plurality of, and each is adjusted between axis hole and is interconnected.
In of the present invention and then specific embodiment, described trailing wheel fixed block is formed with on trailing flank and is used for cooperating with vehicle frame and is convenient to the localized vehicle frame groove of trailing wheel fixed block.
The present invention is because after adopting said structure, by on vehicle frame, setting up the pair of rear wheels fixed block, this lateral surface to the trailing wheel fixed block has certain inclined angle alpha, thereby make between the vertical direction on the pair of rear wheels that is installed on the pair of rear wheels fixed block and ground and have certain inclined angle alpha equally, this technical scheme can make wheelchair more laborsaving and travel more stable in when motion, simultaneously when the trailing wheel fixed block is installed, need not original vehicle frame of taking turns Wheel-chair is reequiped, so cost is low, it is convenient and simple in structure to install.
Description of drawings
Fig. 1 is one embodiment of the invention structure diagram.
Schematic perspective view when Fig. 2 is trailing wheel fixed block of the present invention and vehicle frame assembling.
Fig. 3 is the longitudinal section cutaway view of trailing wheel fixed block of the present invention.
Fig. 4 is that trailing wheel of the present invention is installed on the example structure sketch on the trailing wheel fixed block.
Among the figure: 1. vehicle frame, 11. height adjustment holes; 2. footboard; 3. preceding universal wheel; 4. handrail; 5. handle; 6. trailing wheel, 61. wheel shafts; 7. trailing wheel fixed block, 71. is adjusted axis hole, 72. screw holes, 73. screws, 74. straight hems, 75. trailing flanks, 751. vehicle frame grooves, 76. lateral surface, 77. broadsides; 8. axle bed.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the present invention program, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
See also Fig. 1, Fig. 2 and in conjunction with Fig. 3, a kind of manual pulley Wheel-chair of the present invention, the specific constructive form of manual pulley Wheel-chair is not subjected to any restriction, it is comparatively common in the market a kind of that shown in Figure 1 is, it mainly comprise vehicle frame 1, respectively be located at footboard 2 on the vehicle frame 1, handrail 4, handle 5, backrest, medicated cushion and a pair of before universal wheel 3 and pair of rear wheels 6.Technical essential of the present invention is: also being fixed with a pair of structure identical on described vehicle frame 1 (is shape, the size identical) trailing wheel fixed block 7, the shape of cross section of described trailing wheel fixed block 7 is not subjected to any restriction, it can be rectangle, circular, rhombus or the like, in the present embodiment, be preferably rectangle, narrow the contracting in last plane of rectangular-shaped trailing wheel fixed block 7 and constitute straight hem 74, lower plane expands to be established and constitutes broadside 77, thereby make the lateral surface 76 of trailing wheel fixed block 7 constitute an inclined-plane, this inclined-plane is α at the inclination angle of vertical direction, described trailing wheel fixed block 7 also is formed with vehicle frame groove 751 on the both sides of trailing flank 75, the shape of the shape of vehicle frame groove 751 and described vehicle frame 1 matches, the location when being convenient to like this be fixed to trailing wheel fixed block 7 on the vehicle frame 1.Described pair of rear wheels 6 is pivotally connected on pair of rear wheels fixed block 7, and make between the vertical direction on pair of rear wheels 6 and ground and have inclined angle alpha equally, the angular dimension of described inclined angle alpha is 2 °～4 °, and in the present embodiment, the angular dimension of inclined angle alpha is preferably 3 °.
Please continue to consult Fig. 1, Fig. 2 and in conjunction with Fig. 3, on the both sides of described trailing wheel fixed block 7 length directions, offer pair of screws hole 72 respectively, correspondingly, on described vehicle frame 1, offer height adjustment hole 11, trailing wheel fixed block 7 is used nut check by screw 73 passing on screw hole 72 and the vehicle frame 1 11 backs, corresponding height adjustment hole, thereby trailing wheel fixed block 7 is fixed on the vehicle frame 1.Described height adjustment hole 11 has a plurality of, is set in distance between each height adjustment hole 11, and the effect in a plurality of height adjustment hole 11 is to regulate the position of trailing wheel fixed block 7 in vehicle frame 1 short transverse.Described trailing wheel fixed block 7 offers in the centre of length direction adjusts axis hole 71, adjust axially and between the plane, lateral surface 76 place being vertical setting of axis hole 71, be set in parallel thereby make between the trailing wheel plane, 6 place that is installed on the trailing wheel fixed block 7 and the plane, lateral surface 76 place, can guarantee that trailing wheel 6, lateral surface 76 are identical in the inclined angle alpha of vertical direction.At described adjustment axis hole 72 internal fixation axle bed 8 is installed, described trailing wheel 6 is pivotally connected on axle bed 8 by its axial intermediary wheel shaft 61.Described adjustment axis hole 71 has a plurality of, and each is adjusted 71 of axis holes and is interconnected, and the effect of a plurality of adjustment axis holes 71 is to adjust the position of trailing wheel 6 at vehicle frame 1 fore-and-aft direction.
In sum, the present invention can more easily realize being obliquely installed between pair of rear wheels 6 and the ground by setting up behind the pair of rear wheels fixed block 7 on the vehicle frame 1, thereby has overcome the shortcoming in the prior art, reach goal of the invention, embodied the described technique effect of applicant.
Claims (7)
1. manual pulley Wheel-chair, comprise vehicle frame (1), be located at the footboard (2) on the vehicle frame (1) respectively, handrail (4), handle (5), backrest, medicated cushion and a pair of preceding universal wheel (3) and pair of rear wheels (6), it is characterized in that: on described vehicle frame (1), also be fixed with the identical trailing wheel fixed block (7) of a pair of structure, the lateral surface (76) of described trailing wheel fixed block (7) is an inclined-plane, this inclined-plane is α at the inclination angle of vertical direction, described pair of rear wheels (6) is pivotally connected on pair of rear wheels fixed block (7), and make between the vertical direction on pair of rear wheels (6) and ground and have inclined angle alpha equally, the angular dimension of described inclined angle alpha is 2 °～4 °.
2. manual pulley Wheel-chair according to claim 1 is characterized in that the angular dimension of described inclined angle alpha is preferably 3 °.
3. manual pulley Wheel-chair according to claim 1, it is characterized in that offering on the described trailing wheel fixed block (7) screw hole (72), correspondingly, on described vehicle frame (1), offer height adjustment hole (11), trailing wheel fixed block (7) is used nut check by screw (73) after passing the last corresponding height adjustment hole (11) of screw hole (72) and vehicle frame (1), thereby trailing wheel fixed block (7) is fixed on the vehicle frame (1).
4. manual pulley Wheel-chair according to claim 3, it is a plurality of to it is characterized in that described height adjustment hole (11) has, and is set in distance between each height adjustment hole (11).
5. manual pulley Wheel-chair according to claim 1, it is characterized in that described trailing wheel fixed block (7) offers adjustment axis hole (71) in the centre of length direction, adjust axially and between lateral surface (76) plane, place being vertical setting of axis hole (71), at adjustment axis hole (71) internal fixation axle bed (8) is installed, described trailing wheel (6) is pivotally connected on axle bed (8) by the wheel shaft (61) on it.
6. manual pulley Wheel-chair according to claim 5, it is a plurality of to it is characterized in that described adjustment axis hole (71) has, and each is adjusted between axis hole (71) and is interconnected.
7. manual pulley Wheel-chair according to claim 1 is characterized in that described trailing wheel fixed block (7) is formed with and is used for cooperating with vehicle frame (1) and is convenient to the localized vehicle frame groove of trailing wheel fixed block (7) (751) on trailing flank (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010599518 CN102028588A (en) | 2010-12-22 | 2010-12-22 | Manual wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010599518 CN102028588A (en) | 2010-12-22 | 2010-12-22 | Manual wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102028588A true CN102028588A (en) | 2011-04-27 |
Family
ID=43882407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010599518 Pending CN102028588A (en) | 2010-12-22 | 2010-12-22 | Manual wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102028588A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455977A (en) * | 2016-01-15 | 2016-04-06 | 昆山奥仕达电动科技有限公司 | Manual and electric integrated electrically powered wheelchair |
| CN107496089A (en) * | 2017-09-30 | 2017-12-22 | 常熟市平方轮椅有限公司 | A kind of controllable worm gearing for wheelchair |
| CN107647987A (en) * | 2017-09-30 | 2018-02-02 | 常熟市平方轮椅有限公司 | A kind of worm gearing for wheelchair |
| CN112569052A (en) * | 2020-12-29 | 2021-03-30 | 贵港市人民医院 | Wheelchair for lower limb fracture patient |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2128143A (en) * | 1982-08-14 | 1984-04-26 | Meyra Krankenfahrzeug | Wheelchair |
| DE3742547A1 (en) * | 1987-12-16 | 1989-06-29 | Meyra Wilhelm Meyer Gmbh & Co | Invalid chair with pivotable perforated plate in separate attachment frame |
| US5333894A (en) * | 1993-05-17 | 1994-08-02 | Douglas Mayes | Wheel mounting apparatus for wheelchairs |
| CN101099706A (en) * | 2006-04-25 | 2008-01-09 | 奥托·博克保健Ip两合公司 | Wheelchair |
| CN101194871A (en) * | 2006-03-25 | 2008-06-11 | 奥托·博克保健Ip两合公司 | Anti-tip mechanism for wheelchairs |
| CN201899625U (en) * | 2010-12-22 | 2011-07-20 | 常熟市平方轮椅有限公司 | Manual wheelchair vehicle |
-
2010
- 2010-12-22 CN CN 201010599518 patent/CN102028588A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2128143A (en) * | 1982-08-14 | 1984-04-26 | Meyra Krankenfahrzeug | Wheelchair |
| DE3742547A1 (en) * | 1987-12-16 | 1989-06-29 | Meyra Wilhelm Meyer Gmbh & Co | Invalid chair with pivotable perforated plate in separate attachment frame |
| US5333894A (en) * | 1993-05-17 | 1994-08-02 | Douglas Mayes | Wheel mounting apparatus for wheelchairs |
| CN101194871A (en) * | 2006-03-25 | 2008-06-11 | 奥托·博克保健Ip两合公司 | Anti-tip mechanism for wheelchairs |
| CN101099706A (en) * | 2006-04-25 | 2008-01-09 | 奥托·博克保健Ip两合公司 | Wheelchair |
| CN201899625U (en) * | 2010-12-22 | 2011-07-20 | 常熟市平方轮椅有限公司 | Manual wheelchair vehicle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455977A (en) * | 2016-01-15 | 2016-04-06 | 昆山奥仕达电动科技有限公司 | Manual and electric integrated electrically powered wheelchair |
| CN107496089A (en) * | 2017-09-30 | 2017-12-22 | 常熟市平方轮椅有限公司 | A kind of controllable worm gearing for wheelchair |
| CN107647987A (en) * | 2017-09-30 | 2018-02-02 | 常熟市平方轮椅有限公司 | A kind of worm gearing for wheelchair |
| CN107647987B (en) * | 2017-09-30 | 2023-11-24 | 美而特智能后勤服务有限公司 | Worm transmission mechanism for wheelchair |
| CN107496089B (en) * | 2017-09-30 | 2023-12-01 | 安徽未易智能科技有限公司 | Adjustable worm transmission mechanism for wheelchair |
| CN112569052A (en) * | 2020-12-29 | 2021-03-30 | 贵港市人民医院 | Wheelchair for lower limb fracture patient |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110427 |