CN104274285A - Wheel chair - Google Patents
Wheel chair Download PDFInfo
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- CN104274285A CN104274285A CN201410506179.8A CN201410506179A CN104274285A CN 104274285 A CN104274285 A CN 104274285A CN 201410506179 A CN201410506179 A CN 201410506179A CN 104274285 A CN104274285 A CN 104274285A
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- front support
- hinged
- wheelchair
- back stay
- support rod
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Abstract
The invention relates to a wheel chair comprising two rear supports, two front supports, X-type branch pipe sets, connecting rods, ox horn pipes, grab bars, foot rest pipes and a foot rest. Each X-type branch pipe set is hinged between every two adjacent supports. One end of each rear support is hinged to the connecting rod. The other end of each connecting rod is slidably sleeved with the ox horn rod. Two ends of each grab bar are hinged to the rear supports and detachably arranged on the front supports, respectively. Two ends of each foot rest pipe are hinged with the foot rest and the front support respectively. Alarm lights are arranged on the rear supports and controlled by switches on the grab bars. By applying force, the rear supports and the front supports are closed, and the foot rest and the foot rest pipes are folded, thus the wheel chair is simply and conveniently folded to occupy little space. The alarm lights are controlled to be on or off through the switches on the grab bars to timely ask for help in the case of emergency.
Description
Technical field
The present invention relates to medical care equipment field, particularly relate to a kind of wheelchair.
Background technology
Wheelchair is applicable to lower limb function serious hindrance and weakly personage, and its major function is that delivery user passes in and out out of doors or walks.
As Chinese patent 200810204485 discloses a kind of electric folding wheel chair, comprise: a chair frame, one actuating unit, the battery case of one supporting mechanism and connection actuating unit, described chair frame is provided with a base, the pedal that the front-wheel being located at base front is connected with by pedal tube and the trailing wheel being located at base rear, the fold mechanism of fully collapsible invalid's chair is connected with under described base, described base is also provided with a left side, right handrail tube, described battery case is arranged on chair frame both sides, one end of described pedal tube is made as leg-of-mutton link, this link is connected on base by Rotatable mechanism, described battery case is not when dismantling, chair frame horizontal folding can be accompanied together.It is simple, easy to use that the present invention has structure, portable advantage.
As Chinese patent 201310050533 discloses a kind of Portable foldable wheelchair, be the variable-geometry by being connected to each other, by structural member developments such as the seat of wheelchair and backrest or folding.Reach wheelchair when carrying with it, take up room minimized object.And can, on the framework of this structure, install additional manually, Vidacare corp, facilitate the long distance walking of lower limb disabled.Lower limb disabled can be made to go on a journey, or it is more convenient to carry the various vehicles.
For the ease of wheelchair carrying, store and carry, occurred folding wheelchair, wheelchair of the prior art is usual or folding operation is complicated, or volume after folding is comparatively large, and carrying is inconvenient.In addition, patient runs into emergency in the trip at night of operation wheelchair needs relief, and cannot send resonant voice calling for help, and pedestrian is difficult to recognize that patient gets into trouble, and the life security for protection patient is very restricted.
Summary of the invention
Based on this, be necessary to provide a kind of folding convenient, volume little and can carry out indicating the wheelchair of crying for help.
A kind of wheelchair, comprising: two back stays, two front support rods, fork-shaped arm group, connecting rod, adapter tube, bar, foot rest pipe, pedal and seat back of the body cloth;
Four columns of two described back stays and two described front support rod formation wheelchairs, are hinged with described fork-shaped arm group between two adjacent upright;
One end of described back stay is bent to form foot and steps on portion, and one end of the other end and described connecting rod is hinged, and described adapter tube slip cap is located at the other end of described connecting rod;
On the described back stay that described foot steps on portion, be provided with fast pulley, one end of described front support rod is provided with universal wheel, and one end of described bar is articulated with on described back stay, and the other end is detachably arranged at the other end of described front support rod;
One end of described foot rest pipe is articulated with the side of described pedal, the other end and described front support rod hinged;
Described seat back of the body cloth comprises: seat cloth and back of the body cloth, and described seat cloth is connected on two described back stays and two described front support rods, and described back of the body cloth is connected on two described front support rods and two described adapter tubes;
Described back stay is provided with alarm lamp, described bar is provided with the switch of the light on and off controlling described alarm lamp.
In one of them embodiment, described seat cloth and described back of the body cloth are formed in one structure.
In one of them embodiment, the distance described in two between fast pulley is less than the distance described in two between universal wheel.
In one of them embodiment, the described foot portion of stepping on is flat structure.
In one of them embodiment, the distance described in two between back stay is 40 centimetres to 60 centimetres.
In one of them embodiment, the distance between adjacent described front support rod and described back stay is 40 centimetres to 60 centimetres.
In one of them embodiment, described seat back of the body cloth is that nylon material is made.
Above-mentioned wheelchair is hinged by described fork-shaped arm group and two back stays, two front support rods, described adapter tube is relative to back stay rotatably hinged and extension, the two ends of described foot rest pipe respectively with described pedal and described front support rod hinged, back stay and front support rod are drawn close by force, and pedal and foot rest pipe are drawn in, thus realize the folding of fully collapsible invalid's chair easily, reduce taking of space.By the light on and off of the on-off control alarm lamp on bar, realize in case of emergency seeking relief in time.
Accompanying drawing explanation
Fig. 1 is the part detonation configuration schematic diagram of the wheelchair of a preferred embodiment of the present invention;
The package assembly schematic diagram that Fig. 2 is wheelchair shown in Fig. 1;
The folded state side view that Fig. 3 is wheelchair shown in Fig. 2;
The folded state rearview that Fig. 4 is wheelchair shown in Fig. 2;
Fig. 5 is a-quadrant enlarged drawing in Fig. 2;
Fig. 6 is B regional enlarged drawing in Fig. 1.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public concrete enforcement.
Such as, a kind of wheelchair, it comprises: two back stays, two front support rods, fork-shaped arm group, connecting rod, adapter tube, bar, foot rest pipe, pedal and seat back of the body cloth; Four columns of two described back stays and the go-cart of two described front support rod formation wheelchairs, are hinged with described fork-shaped arm group between two adjacent upright; One end of described back stay is bent to form foot and steps on portion, and one end of the other end and described connecting rod is hinged, and described adapter tube slip cap is located at the other end of described connecting rod; On the described back stay that described foot steps on portion, be provided with fast pulley, one end of described front support rod is provided with universal wheel, and one end of described bar is articulated with on described back stay, and the other end is detachably arranged at the other end of described front support rod; One end of described foot rest pipe is articulated with the side of described pedal, the other end and described front support rod hinged; Described seat back of the body cloth comprises: seat cloth and back of the body cloth, and described seat cloth is connected on two described back stays and two described front support rods, and described back of the body cloth is connected on two described front support rods and two described adapter tubes; Described back stay is provided with alarm lamp, described bar is provided with the switch of the light on and off controlling described alarm lamp.
See also Fig. 1 and Fig. 2, wherein Fig. 1 is the part detonation configuration schematic diagram of the wheelchair 10 of a preferred embodiment of the present invention, and Fig. 2 is the assembling schematic diagram of wheelchair 10.Wheelchair 10 comprises: the first back stay 110, second back stay 120, first front support rod 130, second front support rod 140, first fork-shaped arm group 210, second fork-shaped arm group 220, third fork shape arm group the 230, the 4th fork-shaped arm group 240, connecting rod 300, adapter tube 410, Anti-slip cover 420, bar 430, foot rest pipe 440, pedal 500 and seat back of the body cloth 600.
First back stay 110, second back stay 120, first front support rod 130 and the second front support rod 140 form four columns of wheelchair 10, fork-shaped arm group is all hinged with between two adjacent upright, that is, the first fork-shaped arm group 210 is hinged with between first back stay 110 and the second back stay 120, the second fork-shaped arm group 220 is hinged with between first front support rod 130 and the second front support rod 140, third fork shape arm group 230 is hinged with between first back stay 110 and the first front support rod 130, the 4th fork-shaped arm group 240 is hinged with between second back stay 120 and the second front support rod 140.Distance between first back stay 110 and the second back stay 120 is 40 centimetres to 60 centimetres, and the first back stay 110 and the first front support rod 130 and the distance between the second back stay 120 and the second front support rod 140 are 40 centimetres to 60 centimetres.
It is hinged that first fork-shaped arm group 210 comprises the first arm 211 and the middle part of the second arm 212, first arm 211 and the middle part of the second arm 212.First back stay 110 and the second back stay 120 are arranged with slide block 150 and slide block 160 respectively, and slide block 150 and slide block 160 can slide along the first back stay 110 and the second back stay 120 respectively.The two ends of the first arm 211 respectively with the first back stay 110 and slide block 160 hinged, the two ends of the second arm 212 respectively with the second back stay 120 and slide block 150 hinged.
Please refer to Fig. 3 and Fig. 4, it is respectively the folded state side view of wheelchair 10 and the folded state rearview of wheelchair 10.
The middle part that third fork shape arm group 230 comprises the middle part of the 3rd arm 231 and the 4th arm the 232, three arm 231 and the 4th arm 232 is hinged.First front support rod 130 is arranged with the first extension rod (not shown), one end and first front support rod 130 of the 3rd arm 231 are hinged, the other end and slide block 150 hinged, one end and first back stay 110 of the 4th arm 232 are hinged, and the free end of the other end and the first extension rod is hinged.
The middle part that second fork-shaped arm group 220 comprises the middle part of the 5th arm 221 and the 6th arm the 222, five arm 221 and the 6th arm 222 is hinged.The free end second front support rod 140 being arranged with one end of the second extension rod the 142, five arm 221 and the first extension rod is hinged, the other end and the second front support rod 140 hinged.One end of 6th arm 222 and the free end of the second extension rod 142 hinged, the other end and the first front support rod 130 hinged.
The middle part that 4th fork-shaped arm group 240 comprises the middle part of the 7th arm 241 and the 8th arm the 242, seven arm 241 and the 8th arm 242 is hinged.One end of 7th arm 241 and the free end of the second extension rod 142 hinged, the other end and the second back stay 120 hinged.One end and the slide block 160 of the 8th arm 242 are hinged, the other end and the second front support rod 140 hinged.
When folding wheelchair 10, only need force in the first back stay 110 and the second front support rod 140 or force in the second back stay 120 and the first front support rod 130, make the first back stay 110, second back stay 120, first front support rod 130 and the second front support rod 140 are drawn close, in the process, slide block 150 and slide block 160 slide along the first back stay 110 and the second back stay 120 respectively, first extension rod and the second extension rod 142 stretch out from prolongation in the first front support rod 130 and the second front support rod 140 respectively, thus realize folding of wheelchair 10, take up room minimizing, folding operation is convenient and easy.
One end of foot rest pipe 440 is articulated with the side of pedal 500, and the other end and first front support rod 130 of foot rest pipe 440 are hinged.In order to increase the skid resistance of pedal 500, pedal 500 is provided with anti-skidding burr 510.Wheelchair 10 is used for for paralysis, lower limb disability personage, because their foot does not control by consciousness, easily rock and depart from pedal 500, depart from order to avoid foot from pedal 500, pedal 500 is convexly equipped with limited post 520 away from the position of one end of foot rest pipe 440, and and for example, the position on the footrests away from one end of foot rest pipe is also convexly equipped with footmuff portion, its opening is arranged at the position near one end of foot rest pipe on pedal, for the foot of accommodating user.Preferably, at the opening part in footmuff portion, a spacing band being also set, departing from from pedal for avoiding the foot of user.
The front end operating wheelchair 10 for the ease of trammer tilts, and to cross the barriers such as step smoothly, such as, trammer carries out the situation that wheelchair 10 is topped bar.Refer to Fig. 1, one end of the first back stay 110 is bent to form foot and steps on portion 170, and in like manner, one end of the second back stay 120 is bent to form foot and steps on portion 180.The foot of trammer steps down in foot and steps in portion 170, realizes the front end of wheelchair 10 to tilt.Step in order to avoid sole and press against foot when foot steps on portion 170 or foot steps on portion 180, such as, foot steps on portion 170 and foot steps on portion 180 for flat structure.And for example, for the ease of user's Self-operating wheelchair to cross the barriers such as step smoothly, an auxiliary wheel is set before two universal wheels respectively and supports the sub-arm of described auxiliary wheel; An auxiliary wheel is also set respectively before two fast pulleys and supports the sub-arm of described auxiliary wheel; The unsettled setting of each auxiliary wheel, and its distance ground is 5 to 10 centimetres, and, the synchronous driving device driving each auxiliary wheel is also set; Like this, when wheelchair drives to step forward position, user passes through driving device, drive auxiliary wheel slowly to roll, due to the unsettled setting of the auxiliary wheel before universal wheel, it is across on step surface, drive universal wheel moves ahead, thus drives wheelchair forward, and first half crosses step; Then the auxiliary wheel before fast pulley, also across on step surface, drives fast pulley to move ahead, thus drives wheelchair to cross step forward, like this, is specially adapted to the one-level step in road or market.Preferably, sub-arm has elastic component, the unsettled setting of each auxiliary wheel, and its distance ground is 3 to 5 centimetres, and during contact step, sub-arm elasticity shortens, and makes each auxiliary wheel distance ground be 7 to 12 centimetres; Like this, wheelchair is made to be applicable to the step of various height.Preferably, bar also arranges control valve, and it connects described sub-arm, for the length of each described sub-arm of synchronization control, thus the height on synchronization control each auxiliary wheel distance ground; Like this, make wheelchair be applicable to the step of various height, greatly improve the actionable space of wheelchair.
In order to realize folding of wheelchair 10 further, the other end of the first back stay 110 and one end of connecting rod 300 hinged, like this, can fold towards the first back stay 110 with the sheathed adapter tube 410 be connected of the other end of connecting rod 300, reduce the height of wheelchair 10, minimizing takes up room.In order to the trammer adapting to different height carries out wheelchair 10, one end slip cap of adapter tube 410 is located at the other end of connecting rod 300, that is, trammer can according to the distance bottom oneself height adapt adapter tube 410 and wheelchair 10, realize the preferably compatible of wheelchair 10 and operational comfort, in addition, Anti-slip cover 420 is sheathed on the other end of adapter tube 410, plays the comfort level of gripping.Such as, Anti-slip cover 420 adopts flexible material to make, and and for example, Anti-slip cover 420 offers non-slip bumps, and and for example, Anti-slip cover 420 is provided with anti-skidding striped.
On the first back stay 110 that foot steps on portion 170, be provided with fast pulley 710, the second back stay 120 stepping on portion 180 near foot is provided with fast pulley 720, and one end of the first front support rod 130 and the second front support rod 140 is respectively arranged with universal wheel 730 and universal wheel 740.Fast pulley 710 is identical with the diameter of fast pulley 720, is 15 centimetres to 30 centimetres; And for example, universal wheel 730 is identical with the diameter of universal wheel 740, is 15 centimetres to 30 centimetres.Fast pulley 710 and fast pulley 720 overlap the rubber tyre having buffering shockproof, and and for example, rubber tyre is inflatable tyres.Distance between fast pulley 710 and fast pulley 720 is less than the distance between universal wheel 730 and universal wheel 740, can obtain effect of better advancing like this.
Please refer to Fig. 5, it is a-quadrant enlarged drawing in Fig. 2, and one end of bar 430 is articulated with on the first back stay 110, and the other end of bar 430 is detachably arranged at the other end of the first front support rod 130.
In order to ensure that the other end of bar 430 detachably can be arranged at the other end of the first front support rod 130, the other end of bar 430 is fixed with positive stop strip 431, for preventing bar 430 upwards hinged rotation.The other end of the first front support rod 130 is provided with fixed part 131, and like this, the other end that pin 432 just can be used to wear bar 430 is connected with fixed part 131, only need pull out pin 432 and just bar 430 can be folded.
In order to increase hands or arm prevent with bar 430 on time comfort level, bar 430 is provided with armrest pad 433, such as, armrest pad 433 is made for soft rubber material.
Seat back of the body cloth 600 comprises: seat cloth 610 and back of the body cloth 620, seat cloth 610 is connected on the first back stay 110, second back stay 120 and the first front support rod 130, second front support rod 140, and back of the body cloth 620 is connected on the first front support rod 130, second front support rod 140 and two adapter tubes 410.Seat cloth 610 and back of the body cloth 620 are formed in one structure, and in order to good weight capacity, seat back of the body cloth 600 is made for nylon material.
Patient for the ease of lower extremity paralysis goes to toilet needs, seat cloth 610 offers out just hole, need not from wheelchair 10 when patient is gone to toilet, easy to use.
Refer to Fig. 6, it is B regional enlarged drawing in Fig. 1.
For the ease of the timely braking to wheelchair 10, the position that on first back stay 110, close foot steps on portion 170 is also provided with handbrake mechanism 800, concrete, handbrake mechanism 800 comprises handle 810, friction plate 820 and connecting rod 830, one end of connecting rod 830 is hinged with the end near handle 810, connecting rod 830 is hinged with the middle part of friction plate 820, articulated position place near itself and connecting rod 830 on handle 810 is articulated with on the first back stay 110, one end of friction plate 820 is articulated with on the first back stay 110, the middle part of connecting rod 830 has a holding block 831, pull handle 810 to rotate, force in holding block 831, movable friction plate 820 is with to rotate by connecting rod 830, friction plate 820 is made to extrude fast pulley 710, realize the effective brake to wheelchair 10.
In order to increase the safety taking wheelchair 10, also be provided with seat belt, second back stay 120 arranges a buckle, one end of seat belt is fixed on the first back stay 110, the other end and the described buckle of seat belt are interlocked, like this, use of seat belts and the patient rided on wheelchair 10 fixed, prevent patient from throwing from wheelchair 10.
In order to make wheelchair 10 can adapt to outdoor weather preferably, be also provided with rain shade, rain shade is detachably set up on the first back stay 110 and the second back stay 120, like this, even if run into hot weather or rainy day, also can adapt to well.
Wheelchair 10 is also provided with emergency alarm bell, bar 430 is provided with the button controlling emergency alarm bell and occur, and like this when the patient taking wheelchair 10 meets difficulty or bothers, sends alarm by pressing the button startup emergency alarm bell.And for example, first back stay 110 and the second back stay 120 are also provided with alarm lamp, bar 430 is provided with the switch controlling alarm lamp and start, when especially meeting difficulty night or bother and go across the road, alarm lamp flicker can be started, to point out other pedestrians and vehicle false hit, also play the width of instruction wheelchair 10 simultaneously, note to remind vehicle dodging.And for example, in order to the needs of patient's expelling summer-heat cooling, the first back stay 110 or the second back stay 120 are detachably provided with fan.And for example, for the ease of placing the needs such as bowls during patient diet, bar 430 is hinged with shelf, for placing articles, like this, without the need to getting off from wheelchair 10 during patient diet.
And for example, fully collapsible invalid's chair also arranges a wireless signal generator, and the button of described emergency alarm bell also connects this wireless signal generator, when pressing the button startup emergency alarm bell, by this wireless signal generator, sends the help information or alert notice that pre-set; Such as, the help information that pre-sets or alert notice is sent to the guardian of patient or relatives or nursing staff; And for example, described help information is short message or alarm call etc.Such as, bar inside arranges installation cavity, its built-in rechargeable battery and the wireless signal generator be connected with described rechargeable battery, bar is provided with the button controlling emergency alarm bell and occur, its physical connection wireless signal generator.And for example, rechargeable battery also connects a charger, and it is arranged on arbitrary pole, and connects the fast pulley of this pole, for when this fast pulley rolls, is rechargeable battery charging by charger.And for example, bar is arranged in series some display lamps, form display lamp string, its switch-linear hybrid on armrest pad, or is arranged at by armrest pad, and for pressing switch, display lamp string is luminous, to realize illuminating effect.And for example, display lamp series winding connects described rechargeable battery, for obtaining power supply.
Couch on wheelchair 10 for the ease of patient, first back stay 110 and the second back stay 120 are provided with the articulated elements of rotation 90 degree with the first front support rod 130 and the contour position of the second front support rod 140, and the position near connector 300 on the first back stay 110 is also hinged with pillar.When needing to couch, the other end of bar 430 is pulled down from the first front support rod 130, first back stay 110 on articulated elements top and the second back stay 120 rotate 90 degree and are fixed on parastate, pillar rotational support on the ground, to enable stable the couching on wheelchair 10 of patient.
In order to walk by manual actuation wheelchair 10, first back stay 110 and the second back stay 120 are detachably provided with toggle, the axle of fast pulley 710 and fast pulley 720 is fixed with gear, by chain, gear is connected with toggle, thus fast pulley 710 and fast pulley 720 can be driven to rotate by operating crank bindiny mechanism, drive wheelchair 10 to walk.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. a wheelchair, is characterized in that, comprising: two back stays, two front support rods, fork-shaped arm group, connecting rod, adapter tube, bar, foot rest pipe, pedal and seat back of the body cloth;
Four columns of two described back stays and two described front support rod formation wheelchairs, are hinged with described fork-shaped arm group between two adjacent upright;
One end of described back stay is bent to form foot and steps on portion, and one end of the other end and described connecting rod is hinged, and described adapter tube slip cap is located at the other end of described connecting rod;
On the described back stay that described foot steps on portion, be provided with fast pulley, one end of described front support rod is provided with universal wheel, and one end of described bar is articulated with on described back stay, and the other end is detachably arranged at the other end of described front support rod;
One end of described foot rest pipe is articulated with the side of described pedal, the other end and described front support rod hinged;
Described seat back of the body cloth comprises: seat cloth and back of the body cloth, and described seat cloth is connected on two described back stays and two described front support rods, and described back of the body cloth is connected on two described front support rods and two described adapter tubes;
Described back stay is provided with alarm lamp, described bar is provided with the switch of the light on and off controlling described alarm lamp.
2. wheelchair according to claim 1, is characterized in that, described seat cloth and described back of the body cloth are formed in one structure.
3. wheelchair according to claim 1, is characterized in that, the distance described in two between fast pulley is less than the distance described in two between universal wheel.
4. wheelchair according to claim 1, is characterized in that, the described foot portion of stepping on is flat structure.
5. wheelchair according to claim 1, is characterized in that, the distance described in two between back stay is 40 centimetres to 60 centimetres.
6. wheelchair according to claim 1, is characterized in that, the distance between adjacent described front support rod and described back stay is 40 centimetres to 60 centimetres.
7. wheelchair according to claim 1, is characterized in that, described seat back of the body cloth is that nylon material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506179.8A CN104274285A (en) | 2014-09-27 | 2014-09-27 | Wheel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506179.8A CN104274285A (en) | 2014-09-27 | 2014-09-27 | Wheel chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104274285A true CN104274285A (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410506179.8A Pending CN104274285A (en) | 2014-09-27 | 2014-09-27 | Wheel chair |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104546325A (en) * | 2015-02-02 | 2015-04-29 | 宁波德坤工业设计有限公司 | Foldable electric wheelchair suitable for aged for shopping |
| CN105167928A (en) * | 2015-10-18 | 2015-12-23 | 曹一挥 | Automatic folding electric wheelchair |
| CN108670599A (en) * | 2018-06-07 | 2018-10-19 | 赵永刚 | A kind of Cardiological clinical diagnostic device |
| WO2018201612A1 (en) * | 2017-05-04 | 2018-11-08 | 美利驰医疗器械（苏州）有限公司 | Quick disassembled and easily combined adjustable wheelchair |
| CN112603676A (en) * | 2020-12-22 | 2021-04-06 | 佛山市丰和医疗科技有限公司 | Wheelchair folding mechanism and folding wheelchair |
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| CN102697609A (en) * | 2012-05-15 | 2012-10-03 | 博尔塔拉蒙古自治州万力源科技开发有限责任公司 | Electric wheelchair and steering control device thereof |
| CN103126827A (en) * | 2013-03-15 | 2013-06-05 | 苏州卫生职业技术学院 | Front wheels capable of passing through ridges of wheelchair |
| CN204219208U (en) * | 2014-09-27 | 2015-03-25 | 吴玲玲 | Wheelchair |
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| CN104546325A (en) * | 2015-02-02 | 2015-04-29 | 宁波德坤工业设计有限公司 | Foldable electric wheelchair suitable for aged for shopping |
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| WO2018201612A1 (en) * | 2017-05-04 | 2018-11-08 | 美利驰医疗器械（苏州）有限公司 | Quick disassembled and easily combined adjustable wheelchair |
| CN108670599A (en) * | 2018-06-07 | 2018-10-19 | 赵永刚 | A kind of Cardiological clinical diagnostic device |
| CN112603676A (en) * | 2020-12-22 | 2021-04-06 | 佛山市丰和医疗科技有限公司 | Wheelchair folding mechanism and folding wheelchair |
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Application publication date: 20150114 |