CN201235036Y - Portable wheeled chair - Google Patents
Portable wheeled chair Download PDFInfo
- Publication number
- CN201235036Y CN201235036Y CNU2008200379728U CN200820037972U CN201235036Y CN 201235036 Y CN201235036 Y CN 201235036Y CN U2008200379728 U CNU2008200379728 U CN U2008200379728U CN 200820037972 U CN200820037972 U CN 200820037972U CN 201235036 Y CN201235036 Y CN 201235036Y
- Authority
- CN
- China
- Prior art keywords
- vehicle frame
- rear portion
- rotational substrate
- mentioned
- wheelchair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000002023 wood Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
Images
Classifications
-
- 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
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0866—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable folding down backrest, e.g. where the backrest folds down onto the seat support
-
- 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
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
- A61G5/085—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding up and down, e.g. reducing or expanding the overall height of the wheelchair
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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 utility model relates to a wheelchair, in particular to a medical, folding and portable wheelchair. The utility model aims at providing a portable wheelchair whose structure and performance are reliable and sizes in front and rear directions and height direction are greatly reduced after being folded. The wheelchair is provided with a rear vehicle frame with a rear wheel, a front vehicle frame with a front wheel, a seat vehicle frame and a back vehicle frame, and is further provided with left and right rotary substrates which rotate through utilizing a rotary shaft to be the center. The sizes in the front and the rear directions are very small after the wheelchair is folded, and the size in the height direction is only two thirds of the height of a using state.
Description
Technical field
This utility model relates to a kind of wheelchair, particularly medical Foldable cellular wheelchair.
Background technology
Now the wheelchair that uses of hospital is all promoted by the nurse, and this wheelchair has the front-wheel and the larger-diameter trailing wheel that can rotate freely, and can fold up when not using.Fig. 9 is the side schematic view of above-mentioned wheelchair, wheelchair 100 is provided with portion's vehicle frame 101, the pair of armrests pipe 102 parallel with present portion vehicle frame 101 tops and seat portion vehicle frame 101, the rear end of seat portion vehicle frame 101 and the rear end of pair of armrests pipe 102, respectively be articulated on the back vehicle frame 103, the front end of seat portion vehicle frame 101 and the front end of pair of armrests pipe 102 be articulated in respectively be equipped with a pair of front-wheel 105 front frame 106 on.The center of handrail tube 102 is connected with the rear portion vehicle frame 109 of installing pair of rear wheels 108, the center of rear portion vehicle frame 109 is being provided with seat cushion anchor 110, seat cushion anchor 110 is fastened on the locking mechanism 111 that is provided with on present portion vehicle frame 101 rear ends, so as holder portion vehicle frame 101 and with rear portion vehicle frame 109 relative positions.Seat portion vehicle frame 101, handrail tube 102, back vehicle frame 103 and front frame 106 form 4 joint link mechanisms.
(see figure 9) under user mode, the unlock locking of mechanism 111 is rotated a leading section of portion's vehicle frame 101 upward, makes above-mentioned 4 joint link mechanisms move to flat parallelogram direction, make front frame 106 close, finish the folding operation (see figure 10) to rear portion vehicle frame 109.
Height (h2) size of wheelchair 100 is that rear portion vehicle frame 109 connects with handrail tube 102 and the size that prolongs during this wheelchair folded state, this height (h2) is roughly the same with the height (h1) of the wheelchair 100 of user mode, so though this wheelchair can fold, but folding anterior and posterior height is constant, still is not easy wheelchair collection and carrying.
The utility model content
The purpose of this utility model provides a kind of structure and dependable performance, dwindles the portable wheel chair of fore-and-aft direction and short transverse size after folding greatly.
The technical scheme that realizes this utility model purpose is as follows:
A kind of portable wheel chair, possesses the rear portion vehicle frame that is provided with trailing wheel, be provided with the front frame of front-wheel, seat portion vehicle frame and back vehicle frame, the rotational substrate that also has with the turning cylinder pair of right and left that is the center rotation, vehicle frame rear end, rear portion and rotational substrate are rotationally connected, fixedly connected with rotational substrate in vehicle frame lower end, back, seat portion vehicle frame rear end is rotationally connected by second connecting axle and rotational substrate, the front frame upper end is rotationally connected at the second connecting portion place with rotational substrate, before above-mentioned, be hinged with connecting rod between the vehicle frame of rear portion, be hinged with support bar between seat portion vehicle frame and the front frame, above-mentioned rotational substrate is provided with locking mechanism.
Fixedly connected first transverse tube between the vehicle frame of rear portion, the above-mentioned left and right sides, the bigger trailing wheel of diameter is equipped with in vehicle frame lower end, rear portion, vehicle frame upper end, rear portion is connected at the first connecting portion place with the left-right rotation substrate by first connecting axle, is provided with first brake of control trailing wheel on the vehicle frame of rear portion near place, trailing wheel top.
The second connecting portion rear side is provided with second brake of restriction vehicle frame use location, rear portion on the rotational substrate, and above-mentioned locking mechanism is between second connecting portion and second brake.
Be provided with second transverse tube between the above-mentioned rotational substrate, and rotational substrate is polygon.Vehicle frame upper end, above-mentioned back has can be at the folding handle of non-working condition.
Outstanding feature of the present utility model is: 1, this portable wheel chair has rotational substrate, front and rear portions vehicle frame, seat portion vehicle frame and back vehicle frame all are rotatably connected on the rotational substrate, above-mentioned parts can closely turn to together to greatest extent when carrying out folding operation, not only wheelchair fore-and-aft direction size is minimum after folding, and the short transverse size has only 2/3 of user mode height.2, the rotating operation of back vehicle frame can drive front frame, rear portion vehicle frame and seat portion vehicle frame and fold via rotational substrate simultaneously, so one hand can be finished all folding operations of portable wheel chair.
Description of drawings
Fig. 1 is this utility model portable wheel chair side schematic view.
Fig. 2 is the sketch map when observing from Fig. 1 top.
Fig. 3 is the sketch map when observing from Fig. 1 left side.
Fig. 4 is the sketch map when observing from Fig. 1 right side.
Fig. 5 is the side schematic view that rotates substrate portion among Fig. 1.
Fig. 6 is the schematic perspective view of handle portion among Fig. 1.
Fig. 7 is a portable wheel chair folding process medial side face sketch map.
Fig. 8 is folding trailing flank sketch map for Fig. 7 finishes.
Fig. 9 is a wheelchair side schematic view in the background technology.
Figure 10 is folding trailing flank sketch map for Fig. 9 finishes.
The specific embodiment
See Fig. 1, Fig. 2 and Fig. 3, this utility model portable wheel chair 1 have band trailing wheel 13 rear portion vehicle frame 10, be polygonal rotational substrate 20, back vehicle frame 30, be hinged on the jib 44 on the back vehicle frame 30, the seat portion vehicle frame 47 that is connected with rotational substrate, be with the front frame 50 of front-wheel 55, be provided with connecting rod 56 between rear portion vehicle frame 10 and the front frame 50, be provided with support bar 60 between seat portion vehicle frame 47 and the front frame 50.
See Fig. 1, Fig. 4 and Fig. 5, rear portion vehicle frame 10 by about the pipe fitting that sets constitute with first transverse tube 12 that is connected both, the bigger trailing wheel of diameter 13 is equipped with in the bottom of rear portion vehicle frame, the upper end of rear portion vehicle frame is rotationally connected at first connecting portion, 21 places with rotational substrate 20 by first connecting axle 15, also be provided with first brake 14 on the rear portion vehicle frame of trailing wheel 13 tops, be used to control the rotation of trailing wheel.
Above-mentioned rotational substrate 20 has two polygonal sheet metals of symmetrical distortion, and link into an integrated entity by second transverse tube 27, front frame 50 is rotationally connected at second connecting portion, 25 places with rotational substrate by axle wood 51, above-mentioned back vehicle frame 30 is fixedlyed connected with rotational substrate and is formed set portion 24, the rear end of seat portion vehicle frame 47 is rotationally connected with rotational substrate by second connecting axle 48, first connecting portion, 21 belows are provided with second brake 23 of controlling vehicle frame 10 use locations, rear portion by the position, back on the rotational substrate 20, are provided with the locking mechanism 65 that is used for fixing rear portion vehicle frame and rotational substrate relative position between second brake and second connecting portion 25.
See Fig. 1, Fig. 5 and Fig. 6, back vehicle frame 30 is made of with the 3rd transverse tube 33 that is connected both the paired pipe fitting in the left and right sides, vehicle frame lower end, back and rotational substrate 20 are fixedly connected on set portion 24, vehicle frame upper end, back is provided with a pair of handle 38, above-mentioned jib 44 is hinged on the back vehicle frame 30, and the relevant position is provided with the 3rd brake 32 of control jib and back vehicle frame relative position on the vehicle frame of back.
Above-mentioned handle 38 is installed in back vehicle frame 10 upper ends by handle platform 34, and the handle platform is positioned at vehicle frame upper end, back rear side, is provided with the engaging ditch 35 that is parallel to back vehicle frame direction in handle platform inboard, also is provided with the through hole 36 that just in time passes the engaging ditch.Handle 38 is tubbiness, and the one end is a base portion 39, and the base portion inboard is provided with the prominent bar 40 that matches with the engaging ditch 35 of handle platform 34, prominent bar be provided with the handle platform on through hole 36 co-axial screwed holes 41.When handle during in user mode above-mentioned prominent bar 40 with engage ditch 35 and cooperate, and pass through hole 36 by set bolt 42 and screw fixing with screwed hole 41.
Jib 44 is connected with back vehicle frame 30 by the 3rd connecting axle 46, jib is provided with handrail 45, above-mentioned the 3rd brake 32 can lock the horizontal level of jib when the wheelchair user mode, unclamp the 3rd brake 32 when the needs fully collapsible invalid's chair the relative back of jib vehicle frame is clockwise rotated until overlapping.
See Fig. 2 and Fig. 3, seat portion vehicle frame 47 roughly is shaped as frame, and rearward end is rotationally connected with rotational substrate 20 via second connecting axle 48, puts up the seat cushion 49 that thick cloth forms on present portion's vehicle frame 47 and the back vehicle frame 30.
See Fig. 1 and Fig. 3, front frame 50 has axle wood 51 in the upper end, and the lower end forms foot and steps on portion 52, and by one group of front-wheel 55 being made up of a pair of castor is housed, foot is stepped on portion 52 and is equiped with a lot of beams 53.Above-mentioned connecting rod 56 is made up of the pair of straight linear material, and the one end is rotationally connected with rear portion vehicle frame 10 lower ends by the 4th connecting axle 57, and the other end is rotationally connected with front frame 50 by the 5th connecting axle 58.Support bar 60 has "T"-shaped transverse axis 61, and transverse axis 61 two ends are connected in the 3rd connecting portion 54 with front frame 50 respectively, and support bar 60 is connected with seat portion vehicle frame 47 front ends by the 6th connecting axle 62.
See Fig. 4,5, described locking mechanism 65 is installed between the rotational substrate 20, have two symmetric perforates of passing respectively on the rotational substrate be used for rear portion vehicle frame 10 on the latch 66 that cooperates of lock hole, be connected the releasing handle 67 of two latches and impel the elastic force apparatus of latch to two lateral movements.
This utility model portable wheel chair folding operation method below is described.What show among Fig. 1 is the side view of the user mode of this utility model wheelchair, and seat portion vehicle frame 47 is the level of state substantially with jib 44, and back vehicle frame 30 is in erectility substantially, and the prominent bar 40 of handle 38 is sticked in engaging ditch 35 and fixing.Rear portion vehicle frame 10 is sticked in second brake 23, and by locking mechanism 65 lockings.Front frame 50 lower ends are stretched out to the front lower place by rotational substrate 20, connecting rod 56 will connect and keep this angle position with the use state angle between front frame 10 and the rear portion vehicle frame 50, and this moment, the 3rd connecting portion 54 and the 5th connecting axle 58 were positioned at the 4th connecting axle 57 and the 6th connecting axle 62 line anterior position.Second connecting portion 25 on the rotational substrate 20 is positioned at the below of first connecting portion 21, and the 4th connecting axle 48 is positioned at the side after a while of first connecting portion 21.
For wheelchair is folded up, at first unclamp set bolt 42, the fixed solution of handle 38 is removed, with prominent bar 40 and the engaging releasing that engages between the ditch 35, and make handle 38 be positioned at the folding position that is parallel to the back vehicle frame.Lift the leading section of jib 44 then, make handrail 45 be in the folding position parallel with back vehicle frame 30.Then the use location locking that handle 67 is removed rear portion vehicle frame 10 is removed in operation, and rear portion vehicle frame 10 is forwards toppled over.At this moment rotational substrate 20 is the center with first connecting portion 21, counterclockwise to rotate, and second connecting portion 25 this moment (the axle wood 51 of front frame 50) moves to the rear of first connecting portion 21, and the 4th connecting axle 48 (seat portion vehicle frame 47 rearward end) moves to the place ahead of tiltedly going up of first connecting portion 21.
See Fig. 7, the 3rd connecting portion 54 of front frame 50 and the 5th connecting axle 58 move to rotational substrate 20 directions by the 4th connecting axle 57 and the 6th connecting axle 62 lines, and seat portion vehicle frame leading section is pulled to front frame 50 via support bar 60, and, vehicle frame 10 rearward end in rear portion are pulled to front frame 50 via connecting rod 56.
Continue, back vehicle frame 30 is tilted, become handstand state, be overlapped in portion's vehicle frame 47, rotational substrate 20 rotates, and second connecting portion 25 moves to the top of first connecting portion 21, and the 4th connecting axle 48 moves to the oblique below of first connecting portion 21.Thus, second connecting portion 25 of rotational substrate 20 becomes the extreme higher position, and wheelchair in the past is followed successively by handstand shape seat portion vehicle frame 30 backward, towards the seat portion vehicle frame 47 of below and the rear portion vehicle frame 10 of erectility, finally becomes the folded state of parallel substantially and coincidence.See Fig. 8, the size of the height h2 of wheelchair becomes suitable with the length of front frame 50 under the folded state as can be seen, in the present embodiment, be miniaturized and be about 2/3 of user mode height H 1, wheelchair that user uses can be become the size of the 115CM on inner width three limits in length and breadth, can bring in the aircraft.Under folded state, utilize axle wood 51 or second transverse tube 27 in addition as the carrying handle.
When this utility model is returned user mode, process is opposite, make back vehicle frame 30 leave portion's vehicle frame 47, back vehicle frame 10 rotated into substantially erectility, via rotational substrate 20 make portion's vehicle frame 47, front frame 50 and rear portion vehicle frame 10 in above-mentioned opposite moving direction until the use location.At this moment, rear portion vehicle frame 10 is locked at the use location by locking mechanism 65, and connecting rod 56 and support bar 60 are being supported rear portion vehicle frame 10 and seat portion vehicle frame 47.Jib 44 is horizontally rotated again, handle 38 is fixed as level, wheelchair promptly becomes user mode.
Claims (5)
1, a kind of portable wheel chair (1), possesses the rear portion vehicle frame (10) that is provided with trailing wheel (13), be provided with the front frame (50) of front-wheel (55), seat portion vehicle frame (47) and back vehicle frame (30), it is characterized in that: the rotational substrate (20) that has with the turning cylinder pair of right and left that is the center rotation, rear portion vehicle frame (10) rear end and rotational substrate are rotationally connected, fixedly connected with rotational substrate in back vehicle frame (30) lower end, seat portion vehicle frame (47) rear end is rotationally connected by second connecting axle (48) and rotational substrate, locate to be rotationally connected at second connecting portion (25) with rotational substrate in front frame (50) upper end, before above-mentioned, be hinged with connecting rod (56) between the vehicle frame of rear portion, be hinged with support bar (60) between seat portion vehicle frame and the front frame, above-mentioned rotational substrate (20) is provided with locking mechanism (65).
2, portable wheel chair according to claim 1, it is characterized in that: fixedly connected first transverse tube (12) between rear portion, the above-mentioned left and right sides vehicle frame (10), the bigger trailing wheel of diameter (13) is equipped with in vehicle frame lower end, rear portion, vehicle frame upper end, rear portion is located to be connected at first connecting portion (21) with left-right rotation substrate (20) by first connecting axle (15), is provided with first brake (14) of control trailing wheel on the vehicle frame of rear portion near place, trailing wheel top.
3, portable wheel chair according to claim 1, it is characterized in that: last second connecting portion of rotational substrate (20) (25) rear side is provided with second brake (23) of restriction rear portion vehicle frame (10) use location, and above-mentioned locking mechanism (65) is between second connecting portion and second brake.
4, according to claim 2 or 3 described portable wheel chairs, it is characterized in that: be provided with second transverse tube (27) between the above-mentioned rotational substrate (20), and rotational substrate is polygon.
5, portable wheel chair according to claim 4 is characterized in that: above-mentioned back vehicle frame (30) upper end has can be at the folding handle (38) of non-working condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200379728U CN201235036Y (en) | 2008-06-10 | 2008-06-10 | Portable wheeled chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200379728U CN201235036Y (en) | 2008-06-10 | 2008-06-10 | Portable wheeled chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201235036Y true CN201235036Y (en) | 2009-05-13 |
Family
ID=40647770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200379728U Ceased CN201235036Y (en) | 2008-06-10 | 2008-06-10 | Portable wheeled chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201235036Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769464A (en) * | 2016-03-25 | 2016-07-20 | 白瑞平 | Foldable type wheelchair and portable mobile device |
| CN108578090A (en) * | 2018-03-13 | 2018-09-28 | 襄阳浩宇科技咨询有限公司 | A kind of intelligence push chair |
| IT201900002747A1 (en) * | 2019-02-26 | 2020-08-26 | Stefano Formenti | Folding wheelchair for people with motor disabilities |
-
2008
- 2008-06-10 CN CNU2008200379728U patent/CN201235036Y/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769464A (en) * | 2016-03-25 | 2016-07-20 | 白瑞平 | Foldable type wheelchair and portable mobile device |
| CN108578090A (en) * | 2018-03-13 | 2018-09-28 | 襄阳浩宇科技咨询有限公司 | A kind of intelligence push chair |
| CN108578090B (en) * | 2018-03-13 | 2023-12-15 | 安徽龙顺交通器材有限公司 | Intelligent push chair |
| IT201900002747A1 (en) * | 2019-02-26 | 2020-08-26 | Stefano Formenti | Folding wheelchair for people with motor disabilities |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20120329 Decision number of declaring invalidation: 18307 Granted publication date: 20090513 |