CN104274286A - Foldable wheelchair - Google Patents
Foldable wheelchair Download PDFInfo
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- CN104274286A CN104274286A CN201410506180.0A CN201410506180A CN104274286A CN 104274286 A CN104274286 A CN 104274286A CN 201410506180 A CN201410506180 A CN 201410506180A CN 104274286 A CN104274286 A CN 104274286A
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- front support
- hinged
- support rod
- fully collapsible
- chair
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Abstract
The invention relates to a foldable wheelchair which comprises two rear support rods, two front support rods, fork-shaped support tube groups, connecting rods, horn tubes, armrest tubes, foot rack tubes, pedals and seat back cloth. The two rear support rods and the two front support rods form four standing columns of the foldable wheelchair. One fork-shaped support tube group is hinged between every two adjacent standing columns. Two ends of each front support rod are respectively provided with a universal wheel and hinged to one connecting rod, and each horn tube slidably sleeves the other end of the connecting rod. A fixed wheel is disposed on each rear support rod. Two ends of each armrest rod are respectively hinged to the corresponding rear support rod and detachably disposed on the corresponding front support rod. Two ends of each foot rack tube are respectively hinged to the corresponding pedal and the corresponding front support rod. The horn tubes are rotatably hinged and extend relative to the rear support rods. By the arrangement, the foldable wheelchair has the advantages that the rear support rods and the front support rods can be drawn close to each other, the pedals and the foot rack tubes can be retracted, the foldable wheelchair can be folded simply and easily, and space occupation is reduced.
Description
Technical field
The present invention relates to medical care equipment field, particularly relate to a kind of fully collapsible invalid's chair.
Background technology
Fully collapsible invalid's chair 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 201420152439 discloses a kind of folding wheel chair, the bottom of two trailing wheel connecting rods is respectively equipped with a trailing wheel, the bottom of two front-wheel connecting rods is respectively equipped with a front-wheel, the side of two fan-shaped substrates fixes with the bottom of two backrest connecting rods respectively, opposite side is rotationally connected with the top of two trailing wheel connecting rods respectively and is provided with folding switch mechanism between the two, by substrate connecting rod lateral connection between two fan-shaped substrates, substrate connecting rod is connected with the top of two front-wheel connecting rods, the two ends of handrail are connected with the top of two backrest connecting rods respectively, base connecting rod is positioned at the top of fan-shaped substrate, two ends on rear side of base connecting rod are connected with the afterbody of two backrest connecting rods respectively, the middle part of front side is connected with trailing wheel with front-wheel connecting rod respectively by intermediate connecting rod mechanism.This utility model realizes folding operation, and after folding, height dimension is 2/3 of original size, and thickness is 1/3 of original size, is convenient for carrying, compact conformation.
As Chinese patent 201410088467 discloses a kind of interlock fully collapsible invalid's chair mechanism, aim to provide a kind of can the wheelchair mechanism that launches of fast folding, comprise chair back governor motion, elevating mechanism, locking mechanism.The main points of its technical scheme are, elevating mechanism drives chair back governor motion by coupling bar, and the step realizing wheelchair folds and launches.The present invention is applicable to old people and disabled.
Fully collapsible invalid's chair of the prior art is usual or folding operation is complicated, or volume after folding is comparatively large, and carrying is inconvenient.
Summary of the invention
Based on this, be necessary the fully collapsible invalid's chair providing a kind of folding convenient, volume little.
A kind of fully collapsible invalid's chair, comprising: two back stays, two front support rods, fork-shaped arm group, connecting rod, adapter tube, Anti-slip cover, 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 fully collapsible invalid's chairs, 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 one end slip cap of described adapter tube is located at the other end of described connecting rod, and described Anti-slip cover is sheathed on the other end of described adapter tube;
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, 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.
In one of them embodiment, the diameter of described fast pulley and described universal wheel is 15 centimetres to 30 centimetres.
In one of them embodiment, described pedal is provided with anti-skidding burr.
In one of them embodiment, described pedal is convexly equipped with limited post away from the position of the one end with described foot rest pipe.
In one of them embodiment, described bar is provided with armrest pad.
Above-mentioned fully collapsible invalid's chair 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.
Accompanying drawing explanation
Fig. 1 is the part detonation configuration schematic diagram of the fully collapsible invalid's chair of a preferred embodiment of the present invention;
The package assembly schematic diagram that Fig. 2 is fully collapsible invalid's chair shown in Fig. 1;
The folded state side view that Fig. 3 is fully collapsible invalid's chair shown in Fig. 2;
The folded state rearview that Fig. 4 is fully collapsible invalid's chair 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.
See also Fig. 1 and Fig. 2, wherein Fig. 1 is the part detonation configuration schematic diagram of the fully collapsible invalid's chair 10 of a preferred embodiment of the present invention, and Fig. 2 is the assembling schematic diagram of fully collapsible invalid's chair 10.Fully collapsible invalid's chair 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 fully collapsible invalid's chair 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 fully collapsible invalid's chair 10 and the folded state rearview of fully collapsible invalid's chair 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 fully collapsible invalid's chair 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 fully collapsible invalid's chair 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.Fully collapsible invalid's chair 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 fully collapsible invalid's chair 10 for the ease of trammer tilts, and to cross the barriers such as step smoothly, such as, trammer carries out the situation that fully collapsible invalid's chair 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 fully collapsible invalid's chair 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 fully collapsible invalid's chair 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 fully collapsible invalid's chair 10, minimizing takes up room.In order to the trammer adapting to different height carries out fully collapsible invalid's chair 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 fully collapsible invalid's chair 10, realize the preferably compatible of fully collapsible invalid's chair 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; 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.And for example, the 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 fully collapsible invalid's chair 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 fully collapsible invalid's chair 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 fully collapsible invalid's chair 10.
In order to increase the safety taking fully collapsible invalid's chair 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 fully collapsible invalid's chair 10 fixed, prevent patient from throwing from fully collapsible invalid's chair 10.
In order to make fully collapsible invalid's chair 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.
Fully collapsible invalid's chair 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 fully collapsible invalid's chair 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 fully collapsible invalid's chair 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 fully collapsible invalid's chair 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 fully collapsible invalid's chair 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 fully collapsible invalid's chair 10 of patient.
In order to walk by manual actuation fully collapsible invalid's chair 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 fully collapsible invalid's chair 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 (5)
1. a fully collapsible invalid's chair, is characterized in that, comprising: two back stays, two front support rods, fork-shaped arm group, connecting rod, adapter tube, Anti-slip cover, 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 fully collapsible invalid's chairs, 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 one end slip cap of described adapter tube is located at the other end of described connecting rod, and described Anti-slip cover is sheathed on the other end of described adapter tube;
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, 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.
2. fully collapsible invalid's chair according to claim 1, is characterized in that, the diameter of described fast pulley and described universal wheel is 15 centimetres to 30 centimetres.
3. fully collapsible invalid's chair according to claim 1, is characterized in that, described pedal is provided with anti-skidding burr.
4. fully collapsible invalid's chair according to claim 1, is characterized in that, described pedal is convexly equipped with limited post away from the position of the one end with described foot rest pipe.
5. fully collapsible invalid's chair according to claim 1, is characterized in that, described bar is provided with armrest pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506180.0A CN104274286A (en) | 2014-09-27 | 2014-09-27 | Foldable wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506180.0A CN104274286A (en) | 2014-09-27 | 2014-09-27 | Foldable wheelchair |
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| Publication Number | Publication Date |
|---|---|
| CN104274286A true CN104274286A (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410506180.0A Pending CN104274286A (en) | 2014-09-27 | 2014-09-27 | Foldable wheelchair |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106562857A (en) * | 2016-11-11 | 2017-04-19 | 浙江英洛华康复器材有限公司 | Electric wheelchair enabling user to lie down |
| CN106691721A (en) * | 2017-02-17 | 2017-05-24 | 晋江万智进出口贸易有限公司 | Intelligent wheelchair based on internet of things |
| CN106880448A (en) * | 2017-04-03 | 2017-06-23 | 陈琴华 | A kind of pushchair |
| CN111870442A (en) * | 2020-08-03 | 2020-11-03 | 广州大学 | A collapsible wheelchair for shifting disability crowd |
| CN112120853A (en) * | 2020-10-13 | 2020-12-25 | 东莞灏智动能科技有限公司 | Electric lifting folding wheelchair capable of being quickly disassembled and assembled |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106562857A (en) * | 2016-11-11 | 2017-04-19 | 浙江英洛华康复器材有限公司 | Electric wheelchair enabling user to lie down |
| CN106562857B (en) * | 2016-11-11 | 2018-12-14 | 浙江英洛华康复器材有限公司 | Can crouch the electric wheelchair lain |
| CN106691721A (en) * | 2017-02-17 | 2017-05-24 | 晋江万智进出口贸易有限公司 | Intelligent wheelchair based on internet of things |
| CN106691721B (en) * | 2017-02-17 | 2018-07-06 | 晋江万智进出口贸易有限公司 | A kind of intelligent wheel chair based on Internet of Things |
| CN106880448A (en) * | 2017-04-03 | 2017-06-23 | 陈琴华 | A kind of pushchair |
| CN111870442A (en) * | 2020-08-03 | 2020-11-03 | 广州大学 | A collapsible wheelchair for shifting disability crowd |
| CN112120853A (en) * | 2020-10-13 | 2020-12-25 | 东莞灏智动能科技有限公司 | Electric lifting folding wheelchair capable of being quickly disassembled and assembled |
| CN112120853B (en) * | 2020-10-13 | 2022-04-05 | 东莞灏智动能科技有限公司 | Electric lifting folding wheelchair capable of being quickly disassembled and assembled |
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Application publication date: 20150114 |