DK176678B1 - Wheelchair with an auxiliary motor, as well as an auxiliary motor for a wheelchair - Google Patents
Wheelchair with an auxiliary motor, as well as an auxiliary motor for a wheelchair Download PDFInfo
- Publication number
- DK176678B1 DK176678B1 DK200701283A DKPA200701283A DK176678B1 DK 176678 B1 DK176678 B1 DK 176678B1 DK 200701283 A DK200701283 A DK 200701283A DK PA200701283 A DKPA200701283 A DK PA200701283A DK 176678 B1 DK176678 B1 DK 176678B1
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- DK
- Denmark
- Prior art keywords
- auxiliary motor
- wheelchair
- coupling part
- coupling
- auxiliary
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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
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
- A61G5/047—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven by a modular detachable drive system
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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)
Description
DK 176678 B1DK 176678 B1
Opfindelsens områdeFIELD OF THE INVENTION
Den foreliggende opfindelse angår en hjælpemotor til en kørestol, hvor kørestolen 5 fortrinsvist er med store bagerst hovedhjul og med mindre og drejelige forhjul, hvor hjælpemotoren monteres mellem hovedhjulene og hvor hjælpemotorens hjul er i kontakt med underlaget ved eller nær forbindelseslinien mellem hovedhjulenes kontaktpunkter med underlaget, hvor hjælpemotoren er monteret til en travers, der er monteret på tværs under kørestolen, ved dennes forende, hvor der på denne travers er en kob-10 lingsdel for sammenkobling mellem hjælpemotor og kørestol.The present invention relates to an auxiliary motor for a wheelchair, the wheelchair 5 preferably having large rear main wheels and having smaller and rotatable front wheels, where the auxiliary motor is mounted between the main wheels and the auxiliary motor wheels are in contact with the support at or near the connecting line between the main points of contact with the support, wherein the auxiliary motor is mounted to a cross member mounted transversely under the wheelchair at its front end, where on this traverse there is a coupling part for coupling between the auxiliary motor and the wheelchair.
Beskrivelse af kendt teknikDescription of prior art
Det er almindeligt kendt, at kørestole kan være forsynet med en motor, eksempelvis en elektrisk motor til fremdrift af kørestolen. En sådan kørestol betegnes normalt som en 15 elektrisk kørestol og sådan en kan betjenes af brugeren selv og kan være udstyret med mange forskellige faciliteter. Endvidere kendes også kørestole, der er fremstillet til manuel betjening - typisk ved, at brugeren med håndkraft drqer hjulene i den retning, som kørestolen ønskes bevæget. Sådanne kørestole til manuel betjening er typisk forsynet med håndtag bag kørestolens ryglæn, der kan anvendes til dels at skubbe køre-20 stolen og dels til at manøvrere med denne.It is well known that wheelchairs can be provided with a motor, for example an electric motor for propelling the wheelchair. Such a wheelchair is usually referred to as an electric wheelchair and such can be operated by the user himself and may be equipped with many different facilities. Furthermore, wheelchairs made for manual operation are also known - typically by the user forcing the wheels in the direction in which the wheelchair is to be moved. Such wheelchairs for manual operation are typically provided with handles behind the backrest of the wheelchair, which can be used partly to push the wheelchair and partly to maneuver with it.
Fra EP 0 592 427 kendes der en løsning, hvor en elektrisk hjælpemotor monteres på en kørestol, der er fremstillet til manuel betjening. Motoren er monteret under kørestolens sæde på en sådan måde, at motorens kraft overføres til en travers, der er monteret fortil 25 mellem kørestolens to langsgående vanger. Således opnås en sikker kørsel ved, at motoren skubber på traversen således, at de forreste hjul ikke presses unødigt hårdt mod underlaget, hvorved en sikker og let kørsel finder sted. En sådan hjælpemotor er specielt egnet til anvendelse på en kørestol i forbindelse med, at brugeren sammen med en hjælper flyttes eller går/kører en tur. Det er således ikke længere nødvendig at anvende 30 så meget muskelkraft under kørsel med en kørestol, hvorpå der ex monteret en sådan hjælpemotor, idet der i princippet alene skal anvendes kræfter til at styre kørestolen på præcis samme måde, som hvis den skubbes manuelt. Hjælpemotoren kan sættes ud af DK 176678 B1 2 drift ved at betjene en fodpedal, hvorved motoren hæves og kørestolen således kan betjenes manuelt.EP 0 592 427 discloses a solution in which an electric auxiliary motor is mounted on a wheelchair manufactured for manual operation. The engine is mounted under the seat of the wheelchair in such a way that the power of the engine is transferred to a traverse which is mounted forward 25 between the two longitudinal bars of the wheelchair. Thus, a safe driving is achieved by pushing the motor on the traverse so that the front wheels are not pressed unnecessarily hard against the ground, whereby a safe and easy driving takes place. Such an auxiliary motor is especially suitable for use on a wheelchair in connection with the user moving or walking / driving with a helper. Thus, it is no longer necessary to use 30 as much muscle force while driving with a wheelchair, on which such an auxiliary motor is mounted, since in principle only forces must be used to control the wheelchair in exactly the same way as if it is pushed manually. The auxiliary motor can be switched off by operating a foot pedal, thereby raising the motor and thus the wheelchair can be operated manually.
Denne type af hjælpemotorer er meget udbredte i forbindelse med plejesektoren, ek-5 sempelvis på plejehjem eller på sygehuse, hvor kørestole dagligt anvendes til transport af personer over store afstande. Da en egentlig elektrisk kørestol er bekostelig og ikke altid egnet til den enkelte patient er det en klar fordel at kunne udstyre en traditionel manuelt betjent kørestol med en elektrisk hjælpemotor.These types of auxiliary motors are widely used in the care sector, for example in nursing homes or hospitals, where wheelchairs are used daily for the transport of people over long distances. Since an actual electric wheelchair is expensive and not always suitable for the individual patient, it is a clear advantage to be able to equip a traditional manually operated wheelchair with an electric auxiliary motor.
10 Når eksempelvis en kørestolsbruger med et brækket ben skal transporteres i bil er det typisk, at kørestolen medbringes i sarnmenklappet tilstand og det er derfor attraktivt at kunne demontere hjælpemotoren. Ligeledes er det en fordel at kunne demontere hjælpemotoren i forbindelse med en udført flytning af en patient på et sygehus, når patienten er flyttet til det ønskede sted, således at hjælpemotoren kan anvendes på en anden 15 kørestol.10 For example, when a wheelchair user with a broken leg is to be transported by car, it is typical that the wheelchair is carried in a folded-down condition and it is therefore attractive to dismantle the auxiliary motor. Also, it is advantageous to be able to disassemble the auxiliary motor in connection with an performed transfer of a patient to a hospital when the patient has been moved to the desired location so that the auxiliary motor can be used on another wheelchair.
Med den kendte løsning lader denne montage og demontage sig gøre, men på en noget uhensigtsmæssig måde, idet hjælpepersonalet skal ned på knæ både bag kørestolen og foran kørestolen for at ftigøre hjælpemotoren fra kørestolen. Særlig det, at hjælpeper-20 sonalet skal ned på knæ og praktisk talt arbejde mellem benene på kørestolsbrugeren for at frigøre hjælpemotoren, finder mange kørestolsbruger ubehageligt og krænkende.With the known solution, this assembly and disassembly can be done, but in a somewhat inappropriate way, with the auxiliary staff having to kneel both behind the wheelchair and in front of the wheelchair to equip the auxiliary motor from the wheelchair. Particularly because the auxiliary personnel need to get down on their knees and practically work between the legs of the wheelchair user to release the auxiliary engine, many wheelchair users find uncomfortable and abusive.
Det er formålet med opfindelsen at angive en hjælpemotor til en kørestol, hvor montage og demontage klares bag ved kørestolen, hvorved kørestolsbrugeren ikke generes 25 og hvor både montage og demontage sker let og hurtigtSUMMARY OF THE INVENTION It is an object of the invention to provide an auxiliary motor for a wheelchair where mounting and disassembly is done behind the wheelchair, thereby preventing the wheelchair user from being bothered and where both assembly and disassembly are done easily and quickly.
Beskrivelse af opfindelsenDescription of the Invention
Opfindelsen angår som nævnt indledningsvist en hjælpemotor til en kørestol, hvor hjælpemotoren er monteret til en travers ved kørestolens forende, hvor der på traver-30 sen er en koblingsdel for sammenkobling mellem hjælpemotor og kørestol. Hjælpe motoren er med en modsvarende koblingsdel, hvor kørestol og hjælpemotor sammen-kobles ved at nævnte koblingsdele bringes i indbyrdes kontakt og hvor hjælpemotoren DK 176678 B1 3 yderligere er med et bugseringsgreb, fortrinsvist et bugseringsgreb, der er justerbart i højden.The invention relates, as mentioned, initially to an auxiliary motor for a wheelchair, where the auxiliary motor is mounted to a traverse at the front of the wheelchair, where there is a coupling part for coupling between the auxiliary motor and the wheelchair on the transom. The auxiliary motor is with a corresponding coupling part, where the wheelchair and auxiliary motor are connected by contacting said coupling parts and the auxiliary motor DK 176678 B1 3 is further provided with a towing grip, preferably a towing handle which is height adjustable.
Ved at udstyre hjælpemotoren med en modsvarende koblingsdel og et bugseringsgreb 5 opnås der den fordel, at der let kan foretages en til- eller frakobling mellem kørestol og hjælpemotor, hvor både til- og frakobling kan ske bag kørestolen og således uden at plejepersonale eller lignende skal ned på knæ mellem kørestolsbrugerens ben eller bag kørestolen. Endvidere opnås der den fordel at hjælpemotoren kan transporteres eller flyttes til en anden kørestol eller til et opbevaringssted ved egen kraft, idet hjælpemo-10 toren simpelthen aktiveres på samme måde som under anvendelse monteret under en kørestol.By providing the auxiliary motor with a corresponding coupling part and a towing handle 5, the advantage is obtained that a wheelchair and auxiliary motor can easily be switched on or off, where both coupling and disengagement can be done behind the wheelchair and thus without the need for care personnel or the like. kneeling down between the wheelchair user's legs or behind the wheelchair. Furthermore, the advantage is obtained that the auxiliary motor can be transported or moved to another wheelchair or to a storage place by its own power, the auxiliary motor being simply activated in the same way as in use mounted under a wheelchair.
I en foretrukken variant af en hjælpemotor ifølge opfindelsen udgøres koblingsdelen af en fremadrettet langstrakt koblingsdel, fortrinsvist et rør for optagelse af en modsva-15 rende koblingsdel. der er monteret på en kørestol og som udgør eu bagudrettet spyd- foimet koblingsdel, hvor koblingsdelene sammenlåses med en låsemekanisme. Denne sammenlæsning er fast og stabil som følge af, at de modsvarende koblingsdele er langstrakte således, at der opnås en god stivhed i koblingen. På denne måde kan de kræfter, der overføres til kørestolen fra hjælpemotoren overføres sikket og uden at der 20 opstår upræcise bevægelser som følge af slør eller ledføshed imellem kørestol og hjælpemotor. De langstrakte koblingsdele kan som nævnt udgøres af et rør, hvori en spydfarmet anden koblingsdel optages. Dette rør og spyd kan være udfonnet af et rundt rør og et rundt stangemne, men kan med fordel være udført i kantede profiler, eksempelvis firkantede profiler med passende indbyrdes tolerancer, således at en vrid-25 tringsstabil sammenkobling opnås. Sammenkoblingen kan dog også ske med koblingsdele, der er forskellige fra de nævnte og hvormed den samme vridningsstabile og faste sammenkobling mellem kørestol og hjælpemotor opnås.In a preferred variant of an auxiliary motor according to the invention, the coupling part is constituted by a forward elongated coupling part, preferably a tube for receiving a corresponding coupling part. which is mounted on a wheelchair and constitutes the eu rearwardly spear-foamed coupling part, where the coupling parts are interlocked with a locking mechanism. This interlocking is fixed and stable due to the corresponding coupling parts being elongated so as to obtain a good stiffness in the coupling. In this way, the forces transmitted to the wheelchair from the auxiliary motor can be transmitted safely and without any inaccurate movements as a result of blurring or jointing between the wheelchair and auxiliary motor. The elongated coupling parts may, as mentioned, be constituted by a tube in which a spear-loaded second coupling part is accommodated. This tube and spear may be formed by a round tube and a round rod blank, but may advantageously be made in angular profiles, for example square profiles with suitable interdependencies so as to obtain a torsionally stable coupling. However, the coupling can also be done with coupling parts which are different from those mentioned and thereby achieve the same torsionally stable and fixed coupling between wheelchair and auxiliary motor.
I en variant af en hjælpemotor ifølge opfindelsen er låsemekanismen manuel og i en 30 anden variant er den i det mindste delvis automatisk. En manuel låsemekanisme kan eksempelvis være en bolt, der føres tværs igennem koblingsmidleme når disse er i sammenkoblet position Og en i det mindste delvis automatisk låsemekanisme kan være en 5ederpåvirket mekanisme, der når koblingsdelene er i den rigtige position, automa- DK 176678 B1 4 tisk låser de to koblingsdele sammen ved udløsning af en fjeder eller ved at skubbe en fjed erbelastet låsetap væk under sammenføring af koblingsdelene. Betjening aflåse-midlerne kan med fordel ske fra bugseringsgrebet eller i en anden position, hvor det ikke er nødvendigt at bukke sig for at betjene kobling og låsemekanisme.In one variant of an auxiliary motor according to the invention, the locking mechanism is manual and in another variant it is at least partially automatic. For example, a manual locking mechanism may be a bolt which is passed across the coupling means when they are in the coupled position, and an at least partially automatic locking mechanism may be a 5-actuated mechanism which, when the coupling parts are in the correct position, automatically locking the two coupling parts together by releasing a spring or by pushing a spring loaded locking pin away while joining the coupling parts. Advantageously, the locking means can be operated from the towing handle or in another position where it is not necessary to bend to operate the clutch and locking mechanism.
5 I en foretrukken variant af en hjælpemotor ifølge opfindelsen er denne udstyret med et batterisæt til drift af hjælpemotoren under anvendelse i forbindelse med en kørestol og under transport/bugsering til et centralt sted for opladning eller opmagasinering.In a preferred variant of an auxiliary motor according to the invention, it is provided with a battery set for operating the auxiliary motor during use in a wheelchair and during transport / towing to a central place for charging or storage.
10 En hjælpemotor ifølge opfindelsen kan være med et betjeningsgreb for kontrol af fremdrift, hvor betjeningsgrebet er indrettet til montage nær et håndgreb på en kørestol. Et sådant betjeningsgreb kan således være indrettet fil, at en hjælper skal betjene det under kørsel med kørestolen. Betjeningsgrebet kan også anvendes under bugsering af hjælpemotoren, idet det let flyttes mellem bugseringsgrebet og kørestolens hånd-15 greb. Alternativt kan betjeningsgrebet anbringes således, at brugeren af kørestolen selv kan betjene grebet og således færdes selvstændigt uden behov for en hjælper.An auxiliary motor according to the invention may be provided with a control lever for propulsion control, wherein the control lever is adapted for mounting near a handle on a wheelchair. Such an operating handle can thus be arranged file that a helper must operate it while driving with the wheelchair. The control handle can also be used during towing of the auxiliary motor as it is easily moved between the towing handle and the wheelchair's hand grip. Alternatively, the control handle can be arranged so that the user of the wheelchair can operate the handle himself and thus move independently without the need for a helper.
Med en hjælpemotor ifølge opfindelsen angives der således en løsning, der tillader en let og hurtig til- og frakobling af en hjælpemotor i forbindelse med, at plejepersonalet 20 hjælper cn kørestolsbruger med en transport. Med en sådan løsning opnås den klare fordel, at der ikke behøves en motordel til hver af de manuelle kørestole, idet den samme hjælpemotor i princippet kan følge den enkelte hjælper og således kan anvendes til mange forskellige kørestole i løbet af en dag. Der er således ikke brug for at indkøbe så mange hjælpemotorer og det er ikke længere nødvendigt at foretage mon-25 tage af hj ælpemotoren i knælende stilling foran brugeren af kørestolen.Thus, with an auxiliary motor according to the invention, a solution is provided which allows easy and quick switching on and off of an auxiliary motor in connection with the care staff 20 assisting a wheelchair user with a transport. With such a solution, the clear advantage is that no motor part is needed for each of the manual wheelchairs, since the same auxiliary motor can in principle follow the individual helper and thus can be used for many different wheelchairs during one day. Thus, there is no need to buy so many auxiliary motors and it is no longer necessary to make the auxiliary motor in kneeling position in front of the user of the wheelchair.
Kort beskrivelse af tegningenBrief description of the drawing
Opfindelsen beskrives nærmere under henvisning til tegningen, hvor FIG. I viser et tværsnit af en kørestol med en koblingsdel set fra oven.The invention is further described with reference to the drawing, in which FIG. You show a cross-section of a wheelchair with a coupling part as seen from above.
30 FIG. 2 viser en hjælpemotor med bugseringsgreb og koblingsdel.FIG. 2 shows an auxiliary motor with towing handle and coupling part.
DK 176678 B1 5DK 176678 B1 5
Detaljeret beskrivelse af opfindelsen I fig, 1 ses et tværsnit af en kørestol 1, med hjul 2, en ramme 3 og med fodplader 4.DETAILED DESCRIPTION OF THE INVENTION Figure 1 shows a cross-section of a wheelchair 1, with wheels 2, a frame 3 and with foot plates 4.
Forrest ved rammen 3 er der monteret en travers 5, der ved midten har et bagudrettet 5 spyd 6j der udgør den ene part af koblingsdelene. Bag ved kørestolen 1 ses en bugse-ringsenJhed 7, ligeledes fra oven. Bugseringsenheden 7 fremgår også af fig. 2, hvor den ses fra siden. Bugseringsenheden 7 har to trækhjul S, hvorimellem der er monteret en elektrisk motor 9, som via et differentiale er forbundet til trækhjulene 8. Ligeledes er der monteret en koblingsdel 10, der modsvarer koblingsdelen 6 på kørestolen L Ϊ den 10 viste udførelsesfonn er bugseringsenheden 7 med en koblingsdel 10, der har en tragtformet åbning for lettere sammenkobling med den modsvarende koblingsdel 6. Over hjulene 8 er der arrangeret en batteripakke 11, der dels er forbundet til den elektriske motor 9 og dels til et ikke vist betjeningsgreb, der enten er placeret på bugseringsen-hedens bugseringsgreb 12 eller på selve kørestolen 1. Bugseringsgrebet 12 er forbun-15 det til motordelen med en stangformet forbindelse 13, der når bugseringsenhed 7 og kørestol 1 er sammenkoblet strækker sig op bag kørestolen 1. Denne forbindelsesslang 13 kan indstilles i højden, hvorved det sikres at transport af bugseringsenheden 7 kan ske i en passende arbejdsstilling og at højden kan eventuelt kan mindskes under brug på en kørestol 1, 20At the front of the frame 3 is mounted a traverse 5, which at the center has a rearward 5 spear 6j which forms one part of the coupling parts. Behind the wheelchair 1 is seen a towing unit 7, also from above. The towing unit 7 is also shown in FIG. 2, where it is viewed from the side. The towing unit 7 has two pull wheels S, between which an electric motor 9 is mounted, which is connected to the pull wheels via a differential 8. Also, a coupling part 10 corresponding to the coupling part 6 of the wheelchair L Ϊ in the embodiment shown is the towing unit 7 with a clutch portion 10 having a funnel-shaped opening for easier engagement with the corresponding clutch portion 6. Above the wheels 8, a battery pack 11 is arranged which is partly connected to the electric motor 9 and partly to a control lever not shown which is located either on the towing handle 12 of the towing unit or to the wheelchair itself 1. The towing handle 12 is connected to the motor part with a rod-shaped connection 13 which, when the towing unit 7 and wheelchair 1 are interconnected, extends upward behind the wheelchair 1. This connecting hose 13 can be adjusted in height. thereby ensuring that the towing unit 7 can be transported in a suitable working position and that the height can be possible can be reduced during use on a wheelchair 1, 20
Claims (6)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK200701283A DK176678B1 (en) | 2007-09-07 | 2007-09-07 | Wheelchair with an auxiliary motor, as well as an auxiliary motor for a wheelchair |
EP08163544A EP2033609B1 (en) | 2007-09-07 | 2008-09-03 | Drive unit for a wheelchair |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK200701283A DK176678B1 (en) | 2007-09-07 | 2007-09-07 | Wheelchair with an auxiliary motor, as well as an auxiliary motor for a wheelchair |
DK200701283 | 2007-09-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK176678B1 true DK176678B1 (en) | 2009-02-16 |
Family
ID=40111123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK200701283A DK176678B1 (en) | 2007-09-07 | 2007-09-07 | Wheelchair with an auxiliary motor, as well as an auxiliary motor for a wheelchair |
Country Status (2)
Country | Link |
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EP (1) | EP2033609B1 (en) |
DK (1) | DK176678B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019075081A1 (en) | 2017-10-12 | 2019-04-18 | The Center for Discovery, Inc. | Drive assembly for manually powered wheelchair and methods of using the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK204590D0 (en) * | 1990-08-27 | 1990-08-27 | Knud Raun | WHEELCHAIR WITH DRIVER SEAT, AND DRIVER SEAT FOR WHEELCHAIR |
DE19918605C1 (en) * | 1999-04-23 | 2000-03-16 | Rehatechnik Heymer Gmbh | Wheelchair incorporates drive unit as pushing aid provided with at least one drive wheel and fitted on chair through cooperation of first and second connecting devices |
DE10141566C1 (en) * | 2001-08-24 | 2002-10-31 | Alber Ulrich Gmbh & Co Kg | Control handle for powered wheelchair has switch with increasing resistance as power for chair drive increases |
GB2393162A (en) * | 2002-09-16 | 2004-03-24 | Russ Critcher | Folding wheelchair with detachable power assistance unit |
-
2007
- 2007-09-07 DK DK200701283A patent/DK176678B1/en active
-
2008
- 2008-09-03 EP EP08163544A patent/EP2033609B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP2033609A3 (en) | 2009-09-09 |
EP2033609B1 (en) | 2012-12-05 |
EP2033609A2 (en) | 2009-03-11 |
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