CN109124904B - Multidirectional barrier-free wheelchair - Google Patents
Multidirectional barrier-free wheelchair Download PDFInfo
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- CN109124904B CN109124904B CN201810755605.XA CN201810755605A CN109124904B CN 109124904 B CN109124904 B CN 109124904B CN 201810755605 A CN201810755605 A CN 201810755605A CN 109124904 B CN109124904 B CN 109124904B
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- fixed
- support
- sleeve
- wheelchair
- roller
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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
Abstract
The invention discloses a multidirectional barrier-free wheelchair, and relates to the technical field of medical wheelchairs. The wheel rim seat comprises a support mechanism, wherein a seat cushion mechanism is fixed on the support mechanism, wheel rims are fixed on the opposite sides of the seat cushion mechanism, a supporting mechanism is fixed on the support mechanism and comprises a plurality of seat plates, the support mechanism comprises a plurality of first bearings matched with first rolling shafts, and the supporting mechanism comprises a third rolling shaft. According to the invention, by designing a new support structure, the handle, the support frame, the universal wheels and the wheel rims of the wheelchair are integrated, the four auxiliary universal wheels are matched with the two wheel rims, the support structures can be exchanged, and the support plate can rotate along the rotating shaft, so that the problems that the wheelchair is single in mechanism, can be only used in one direction, is limited in steering, inconvenient to use, relatively independent in support and not strong in integral connectivity are solved.
Description
Technical Field
The invention belongs to the technical field of medical wheelchairs, and particularly relates to a multidirectional barrier-free wheelchair.
Background
The wheelchair is an important tool for rehabilitation, not only is the walking tool for the disabled with limbs injured, but also is more important for the disabled to do physical exercise and participate in social activities by means of the wheelchair. The common wheelchair generally comprises a wheelchair frame, wheels, a brake device and a seat back. In the history of the wheel chair recognized in the world, the earliest record is the carving of the wheel chair on the stone coffin from south to north in China and is also the precursor of the modern wheel chair.
Most of the existing wheelchairs have single mechanism, are not high in convenience degree in use and can only be used in one direction; when a user uses the wheelchair alone, the wheelchair is inconvenient to get on and off, the structural stability of the wheelchair is not strong, the wheelchair is easy to lean forward and backward when going up and down a slope, danger is brought, the steering is limited, and the wheelchair is inconvenient to use; the support of current wheelchair is comparatively independent, and overall connectivity is not strong, leads to intensity not enough, and life is short, has increased the unnecessary cost.
Disclosure of Invention
The invention aims to provide a multidirectional barrier-free wheelchair, which is characterized in that a brand new support structure is designed, so that a handle, a support frame, universal wheels and rims of the wheelchair are integrated, four auxiliary universal wheels are matched with two rims, the support structures can be interchanged, and a support plate can rotate along a rotating shaft.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a multidirectional barrier-free wheelchair, which comprises a bracket mechanism, wherein a cushion mechanism is fixed on the bracket mechanism, the opposite sides of the cushion mechanism are both rotatably connected with a wheel rim, and the opposite sides of the bracket mechanism are both fixed with a supporting mechanism;
the cushion mechanism comprises two seat plates, a first support is fixed on one side surface of each seat plate, and a first rolling shaft is fixed on each first support through a second support and a third support;
the support mechanism comprises two first bearings matched with the first rolling shaft, fourth supports are fixed on opposite sides of the peripheral sides of the two first bearings, first support rods are fixed on one surfaces of the two fourth supports, a shell and a first sleeve are fixed at one ends of the two first support rods respectively, a second support rod is fixed between the first sleeve and the shell, a fixing ring is fixed on the inner wall of the first sleeve, and a handrail is fixed on one surface of the second support rod;
the supporting mechanism comprises a third rolling shaft, two ends of the third rolling shaft are respectively rotatably connected with the inner wall of the shell and the inner wall of the first sleeve through bearings, a coil spring is fixed on one end face of the third rolling shaft, the other end of the coil spring is fixedly connected with the inner wall of the shell, a gear is fixed on the other end face of the third rolling shaft, a first spring is fixed on one end face of the gear, a handle is fixed on the other end of the first spring, a clamping shaft is fixed on one surface of the handle, and the clamping shaft is meshed with the gear;
the utility model discloses a bearing support for the roller bearing, including third roller bearing, first backup pad, fourth bearing, first backup pad week side is fixed with first backup pad, the inner wall in first hole is fixed with the third sleeve, third sleeve week side is fixed with the fourth bearing, fourth bearing internal surface is fixed with the fourth sleeve, first backup pad first surface is fixed with the second backup pad through third sleeve, fourth bearing and fourth sleeve, second backup pad first surface is opened there is the second hole, the inner wall in first hole is fixed with the second spring, the inner wall in second hole and the other end fixed connection of second spring, the inner wall in second hole and the telescopic week side fixed connection of fourth.
Furthermore, the support mechanism comprises a first fixing shaft, one end face of the first fixing shaft is fixedly connected with one surface of the fourth support, and a second sleeve is fixed on the other end face of the first fixing shaft.
Further, the rim comprises a third bearing, and the inner wall of the third bearing is fixedly connected with the peripheral side face of the first roller.
Furthermore, a second fixing shaft is fixed on the inner wall of the second sleeve, a baffle is fixed on one end face of the second fixing shaft, and a second rolling shaft is fixed on the peripheral side face of the second fixing shaft.
Furthermore, a second bearing is fixed on the circumferential side face of the second rolling shaft, three third supporting rods are fixed on the circumferential side face of the second bearing, and a first roller is fixed on one end face of each of the three third supporting rods.
Furthermore, three fourth supporting rods are fixed on the peripheral side face of the third bearing, and a hub is fixed at one end of each third supporting rod.
Furthermore, a second roller is fixed on the inner surface of the hub, six fixing rods are fixed on the outer surface of the hub, and a hand-push ring is fixed on one end face of each fixing rod.
The invention has the following beneficial effects:
1. according to the invention, through designing a brand new support structure, the handle, the support frame, the universal wheel and the wheel rim of the wheelchair are integrated, so that the stability of the whole wheelchair is stronger, the coordination of the wheelchair is more perfect, and the problems of single structure, low convenience in use degree, low structural stability of the wheelchair, independent support of the wheelchair, low overall connectivity, insufficient strength and short service life of the wheelchair are solved.
2. According to the invention, the four auxiliary universal wheels are newly designed and matched with the two wheel rims, so that the cross section of the bottom of the wheelchair is enlarged, the wheelchair is more stable, meanwhile, the wheelchair provides help for steering, the user turns more light and comfortable when using the wheelchair, and the problems that the wheelchair is easy to lean forwards and backwards and is inconvenient to turn when going up and down a slope are solved.
3. The support structure of the wheelchair is changed, so that the support structure of the wheelchair can be interchanged, and the same support plate can be used as a backrest and a leg support; meanwhile, the supporting plate can rotate along the rotating shaft, so that a user can get on or off the wheelchair independently more conveniently, and the problem that the user is inconvenient to get on or off the wheelchair when the user uses the wheelchair independently is solved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a multi-directional barrier-free wheelchair in accordance with the present invention;
fig. 2 is a schematic structural view of the seat cushion mechanism;
FIG. 3 is a schematic structural view of a support mechanism;
FIG. 4 is a schematic structural view of a universal wheel;
FIG. 5 is a schematic structural view of the rim mechanism;
FIG. 6 is a schematic structural view of the support mechanism;
FIG. 7 is a schematic view of the third roller, housing and first sleeve;
FIG. 8 is an enlarged view of a portion of FIG. 7;
FIG. 9 is a partial enlarged view of B in FIG. 7;
FIG. 10 is a schematic structural view of a first support plate and a second support plate;
FIG. 11 is a schematic structural view of a third sleeve;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a cushion mechanism, 2-a bracket mechanism, 3-a rim, 4-a support mechanism, 101-a seat plate, 102-a first bracket, 103-a second bracket, 104-a third bracket, 105-a first roller, 201-a first bearing, 202-a fourth bracket, 203-a first strut, 204-a housing, 205-a first sleeve, 206-a second strut, 207-a handrail, 208-a first fixed shaft, 209-a second sleeve, 210-a baffle, 211-a second fixed shaft, 212-a second roller, 213-a second bearing, 214-a third strut, 215-a first roller, 216-a fixed ring, 301-a hub, 302-a second roller, 303-a fixed rod, 304-a fourth strut, 305-a hand-a ring, 306-third bearing, 401-third roller, 402-first support plate, 403-second support plate, 404-coil spring, 405-gear, 406-first spring, 407-handle, 408-shaft, 409-third sleeve, 410-fourth bearing, 411-fourth sleeve, 412-second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-11, the present invention is a multidirectional wheelchair, including a frame mechanism 2, a seat cushion mechanism 1 fixed on the frame mechanism 2, a rim 3 rotatably connected to an opposite side of the seat cushion mechanism 1, and a support mechanism 4 fixed on an opposite side of the frame mechanism 2;
the seat cushion mechanism 1 comprises 2 seat plates 101, wherein a first bracket 102 is fixed on one surface of each of the 2 seat plates 101, and a first roller 105 is fixed on the first bracket 102 through a second bracket 103 and a third bracket 104;
the support mechanism 2 comprises 2 first bearings 201 matched with the first rollers 105, 2 fourth supports 202 are fixed on opposite sides of the circumferential side of each first bearing 201, a first support rod 203 is fixed on one surface of each of the two fourth supports 202, one end of each of the two first support rods 203 is respectively fixed with a shell 204 and a first sleeve 205, a second support rod 206 is fixed between the first sleeve 205 and the shell 204, a fixing ring 216 is fixed on the inner wall of the first sleeve 205, and a handrail 207 is fixed on one surface of the second support rod 206;
the supporting mechanism 4 comprises a third roller 401, two ends of the third roller 401 are respectively rotatably connected with the inner wall of the shell 204 and the inner wall of the first sleeve 205 through bearings, a coil spring 404 is fixed on one end face of the third roller 401, the other end of the coil spring 404 is fixedly connected with the inner wall of the shell 204, a gear 405 is fixed on the other end face of the third roller 401, a first spring 406 is fixed on one end face of the gear 405, a handle 407 is fixed on the other end of the first spring 406, a clamping shaft 408 is fixed on one surface of the handle 407, and the clamping shaft 408 is meshed with the gear 405;
a first supporting plate 402 is fixed on the peripheral side surface of the third roller 401, a first hole is formed in the surface of the first supporting plate 402, a third sleeve 409 is fixed on the inner wall of the first hole, a fourth bearing 410 is fixed on the peripheral side surface of the third sleeve 409, a fourth sleeve 411 is fixed on the inner surface of the fourth bearing 410, a second supporting plate 403 is fixed on the surface of the first supporting plate 402 through the third sleeve 409, the fourth bearing 410 and the fourth sleeve 411, a second hole is formed in the surface of the second supporting plate 403, a second spring 412 is fixed on the inner wall of the first hole, the inner wall of the second hole is fixedly connected with the other end of the second spring 412, and the inner wall of the second hole is fixedly connected with the peripheral side surface of the fourth sleeve 411.
As shown in fig. 3 and 4, the bracket mechanism 2 includes a first fixed shaft 208, one end surface of the first fixed shaft 208 is fixedly connected to one surface of the fourth bracket 202, and a second sleeve 209 is fixed to the other end surface of the first fixed shaft 208.
As shown in fig. 5, the rim 3 includes a third bearing 306, and an inner wall of the third bearing 306 is fixedly connected to an outer circumferential surface of the first roller 105.
As shown in fig. 4, a second fixed shaft 211 is fixed to an inner wall of the second sleeve 209, a baffle 210 is fixed to one end surface of the second fixed shaft 211, and a second roller 212 is fixed to a peripheral side surface of the second fixed shaft 211.
As shown in fig. 4, a second bearing 213 is fixed on the peripheral side surface of the second roller 212, 3 third support rods 214 are fixed on the peripheral side surface of the second bearing 213, and a first roller 215 is fixed at one end of each of the 3 third support rods 214.
As shown in fig. 5, 3 fourth struts 304 are fixed to the peripheral side surface of the third bearing 306, and a hub 301 is fixed to one end of each of the 3 fourth struts 304.
As shown in fig. 5, a second roller 302 is fixed on the inner surface of the hub 301, 6 fixing rods 303 are fixed on the outer surface of the hub 301, and a hand-push ring 305 is fixed on one end surface of the 6 fixing rods 303.
One specific application of this embodiment is: a user sits on the seat board 101 and pushes the hand-push ring 305 with hands, so that the second roller 302 rotates, and the purpose of movement is achieved; when a user turns, the universal wheels below the wheelchair rotate, and the wheelchair rotates towards a required direction by matching with the wheel rims 3; when a user needs to get off the wheelchair, the handle 407 is pulled out, and then the handle 407 is rotated, so that the clamping shaft 408 is not clamped with the gear 405 any more, the body leans backwards, the first support plate 402 of the wheelchair is rotated, and the purpose of getting off the wheelchair is achieved; when the handle 407 is rotated, the handle 407 moves inwards under the action of the first spring 406, so that the clamping shaft 408 is matched with the gear 405 to fix the first support plate 402 of the wheelchair, the coil spring 404 is fixed at one end of the third roller 401, the other end of the coil spring 404 is fixed with the shell 204, the coil spring 404 is extruded when the third rotating shaft 401 rotates, so that the coil spring 404 generates elastic force, when the first support plate 402 is not fixed by the clamping shaft 408, the first support plate 402 rotates to the original fixed form, and the second support plate 403 has the same principle.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A multidirectional barrier-free wheelchair comprises a support mechanism (2), and is characterized in that: a cushion mechanism (1) is fixed on the support mechanism (2), a wheel rim (3) is rotatably connected to one opposite side of the cushion mechanism (1), and a support mechanism (4) is fixed to one opposite side of the support mechanism (2);
the cushion mechanism (1) comprises a plurality of seat plates (101), a first support (102) is fixed on one surface of each of the seat plates (101), and a first roller (105) is fixed on each first support (102) through a second support (103) and a third support (104);
the support mechanism (2) comprises a plurality of first bearings (201) matched with the first rolling shaft (105), the opposite sides of the peripheral sides of the plurality of first bearings (201) are respectively fixed with a fourth support (202), one surface of each of the two fourth supports (202) is fixed with a first support rod (203), one end of each of the two first support rods (203) is respectively fixed with a shell (204) and a first sleeve (205), a second support rod (206) is fixed between the first sleeve (205) and the shell (204), the inner wall of the first sleeve (205) is fixed with a fixing ring (216), and one surface of the second support rod (206) is fixed with a handrail (207);
the supporting mechanism (4) comprises a third roller (401), two ends of the third roller (401) are respectively rotatably connected with the inner wall of the shell (204) and the inner wall of the first sleeve (205) through bearings, a coil spring (404) is fixed on one end face of the third roller (401), the other end of the coil spring (404) is fixedly connected with the inner wall of the shell (204), a gear (405) is fixed on the other end face of the third roller (401), a first spring (406) is fixed on one end face of the gear (405), a handle (407) is fixed on the other end of the first spring (406), a clamping shaft (408) is fixed on one surface of the handle (407), and the clamping shaft (408) is meshed with the gear (405);
the side face is fixed with first backup pad (402) to third roller bearing (401) week, first backup pad (402) surface is opened has a first hole, the inner wall in first hole is fixed with third sleeve (409), third sleeve (409) week side face is fixed with fourth bearing (410), fourth bearing (410) internal surface is fixed with fourth sleeve (411), first backup pad (402) surface is fixed with second backup pad (403) through third sleeve (409), fourth bearing (410) and fourth sleeve (411), second backup pad (403) surface is opened has the second hole, the inner wall in first hole is fixed with second spring (412), the inner wall in second hole and the other end fixed connection of second spring (412), the inner wall in second hole and the side face fixed connection of week of fourth sleeve (411).
2. The multi-directional wheelchair as claimed in claim 1, wherein the frame mechanism (2) comprises a first fixed shaft (208), one end surface of the first fixed shaft (208) is fixedly connected with one surface of the fourth frame (202), and the other end surface of the first fixed shaft (208) is fixed with a second sleeve (209).
3. A multidirectional wheelchair as claimed in claim 1, wherein the rim (3) comprises a third bearing (306), the inner wall of the third bearing (306) being fixedly connected to the peripheral side of the first roller (105).
4. The multidirectional barrier-free wheelchair as claimed in claim 2, wherein a second fixed shaft (211) is fixed to the inner wall of the second sleeve (209), a baffle (210) is fixed to one end face of the second fixed shaft (211), and a second roller (212) is fixed to the peripheral side face of the second fixed shaft (211).
5. A multidirectional wheelchair as claimed in claim 4, wherein the second roller (212) has a second bearing (213) fixed to its peripheral side, a plurality of third struts (214) are fixed to the peripheral side of the second bearing (213), and the first roller (215) is fixed to one end of the plurality of third struts (214).
6. A multidirectional wheelchair as claimed in claim 3, wherein a plurality of fourth struts (304) are fixed to the peripheral side of the third bearing (306), and a hub (301) is fixed to one end of the plurality of fourth struts (304).
7. The multi-directional wheelchair as claimed in claim 6, wherein the second roller (302) is fixed to an inner surface of the hub (301), the fixing rods (303) are fixed to an outer surface of the hub (301), and the hand-push ring (305) is fixed to one end surface of the fixing rods (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810755605.XA CN109124904B (en) | 2018-09-13 | 2018-09-13 | Multidirectional barrier-free wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810755605.XA CN109124904B (en) | 2018-09-13 | 2018-09-13 | Multidirectional barrier-free wheelchair |
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| Publication Number | Publication Date |
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| CN109124904A CN109124904A (en) | 2019-01-04 |
| CN109124904B true CN109124904B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810755605.XA Active CN109124904B (en) | 2018-09-13 | 2018-09-13 | Multidirectional barrier-free wheelchair |
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| CN (1) | CN109124904B (en) |
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| CN207708099U (en) * | 2017-02-06 | 2018-08-10 | 重庆加加林医疗器械连锁有限公司 | A kind of wheelchair and medical aid |
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| JPH08191863A (en) * | 1995-01-13 | 1996-07-30 | Kiyoshi Teratani | Mobile wheelchair for half-paralytic |
| CN202096370U (en) * | 2011-01-29 | 2012-01-04 | 常州好利医疗器械有限公司 | Rest chair for bone fractured patients |
| KR101274411B1 (en) * | 2011-09-01 | 2013-06-17 | 한밭대학교 산학협력단 | Stretcher combined wheel chair |
| CN107518988B (en) * | 2017-09-18 | 2024-01-09 | 浙江佑仁智能机器人有限公司 | Wheelchair for transporting patient back and forth |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204541424U (en) * | 2015-04-15 | 2015-08-12 | 武汉科技大学 | A kind ofly manually can help and lock the rocking chair shaken |
| CN205031447U (en) * | 2015-09-25 | 2016-02-17 | 孙伟军 | Novel electronic stair combination wheelchair of climbing |
| CN205073151U (en) * | 2015-10-13 | 2016-03-09 | 浙江工业大学 | Multi -functional disabled person assists utensil based on human engineering |
| CN207708099U (en) * | 2017-02-06 | 2018-08-10 | 重庆加加林医疗器械连锁有限公司 | A kind of wheelchair and medical aid |
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