WO2021001583A1 - Véhicule à poussée manuelle et assistance par moteur électrique - Google Patents

Véhicule à poussée manuelle et assistance par moteur électrique Download PDF

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Publication number
WO2021001583A1
WO2021001583A1 PCT/ES2020/070397 ES2020070397W WO2021001583A1 WO 2021001583 A1 WO2021001583 A1 WO 2021001583A1 ES 2020070397 W ES2020070397 W ES 2020070397W WO 2021001583 A1 WO2021001583 A1 WO 2021001583A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
rear wheels
electric motor
wheels
push
Prior art date
Application number
PCT/ES2020/070397
Other languages
English (en)
Spanish (es)
Inventor
Albert GOMEZ SORIANO
Original Assignee
Totalcare Europe, Sl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from ES201931138U external-priority patent/ES1234160Y/es
Priority claimed from ES201931140U external-priority patent/ES1234489Y/es
Application filed by Totalcare Europe, Sl filed Critical Totalcare Europe, Sl
Publication of WO2021001583A1 publication Critical patent/WO2021001583A1/fr

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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
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel

Definitions

  • the present utility model belongs to the field of vehicles moved by a manual push by a user. Examples of this type of vehicle would be a supermarket or transport cart, a wheelbarrow, a pallet truck, a golf cart, etc.
  • said vehicle is implemented in the form of a wheelchair for transporting patients or people with reduced mobility, whether with spinal cord injuries or others, being of particular application to chairs that must be moved by a assistant or caregiver, pushing from the rear.
  • the present invention provides an alternative solution to that explained in the last document of greater simplicity and easier maintenance, in which an assistant is made possible, by means of an actuation on push-button switches, an independent or simultaneous actuation of two rear, motorized wheels. of the chair, when due to the terrain where it is traveling requires assistance.
  • the present invention proposes a particular arrangement of a motor and a battery that provide motorized assistance, in relation to each traction wheel, which provide a decrease in the total weight of the vehicle with respect to the previous solutions, since both Batteries included in the present invention for the electric assistance of the vehicle are smaller than those proposed in the state of the art, due to the fact that they are batteries for supporting manual movement and do not require as much amperage.
  • the present invention comprises a vehicle with manual push and assistance by electric motor, for example a wheelchair for people with reduced mobility or spinal cord injury and with assistance from an electric motor
  • a vehicle with manual push and assistance by electric motor for example a wheelchair for people with reduced mobility or spinal cord injury and with assistance from an electric motor
  • an electric motor comprising according to conventional structure, for example described in the document EP776647 mentioned, two front wheels 7 with free rotation and two rear wheels each equipped with an electric motor powered from a battery 4 wherein said rear wheels allow a rotation in response to a pushing effort of the wheelchair by its rear by an assistant, or a turn in response to said manual thrust supplemented by a turn of a certain magnitude provided by said electric motor.
  • each of said rear wheels includes an electric motor formed by a stator and by a rotor and a battery, all the previous elements are arranged coaxially to the axis of said rear wheel and located inside the rim in a housing closed by a cover and also containing an electronic control plate, a motor controller and a planetary transmission for the transfer of torque from the electric motor to the rear wheel rim so that said rear wheel obtains mechanical force to assist it in turning.
  • the proposed vehicle also comprises a connection device for an independent or joint activation of any of said two electric motors of the rear wheels, so that each of said rear wheels can make a turn in response to an effort of push of the wheelchair from its rear by an assistant or user and selectively a turn assisted by an electric motor.
  • the vehicle with manual push and assistance by electric motor is equipped with rear wheels, which incorporate a battery and an electric drive motor, which is provided from a connection device implemented for example by pushbutton switches (one by each one of the rear handles) that governs the operation of each of the electric motors of the rear wheels at the will of the pushing user, provided that the rear wheel is turning by a previous impulse provided by the user or assistant / caregiver .
  • a connection device implemented for example by pushbutton switches (one by each one of the rear handles) that governs the operation of each of the electric motors of the rear wheels at the will of the pushing user, provided that the rear wheel is turning by a previous impulse provided by the user or assistant / caregiver .
  • connection device comprises one or more pushbutton switches, that is to say a device that governs the actuation or not of one or both rear wheels by means of the force generated by the electric motor in combination with the pushing force of the person assistant, wherein said pushbutton switch generates a sequence of commands that will determine different operating regimes managed by the motor controller.
  • Fig. 1 shows the front view of a wheelchair for people with spinal cord injury or reduced mobility and with electric motor assistance.
  • Fig. 2 shows the rear view of a wheelchair for people with spinal cord injury or reduced mobility and with electric motor assistance.
  • Fig. 3 shows an exploded view of a rear wheel, with an illustration of all its components.
  • Fig. 4 shows a view from the outside of a rear wheel.
  • Fig. 5 shows a view from the inside of a rear wheel.
  • Fig. 6 shows a front view of a wheelchair for people with spinal cord injury or reduced mobility and with electric motor assistance provided with a control lever on one of the armrests.
  • Fig. 7 shows a view of a wheelchair like the one in Fig. 1 connected to a battery charger and in Fig. 7A the detail of said battery charger charging the rear wheel is illustrated.
  • Fig. 8 shows the rear view of a wheelchair like the one in Fig. 1 connected to a battery charger and in Fig. 8A the detail of said battery charger is shown, exploded.
  • Fig. 9 is a perspective view of a shopping cart in which the invention has been applied.
  • Figures 1 and 2 show a wheelchair 1 for people with spinal cord injury or reduced mobility comprising two front wheels 7 with free rotation and two rear wheels 2 with the possibility of traction, the aforementioned rear wheels 2 being a larger than the front wheels 7 and in the example cited they comprise a pneumatic tire.
  • a push button switch 14 is also seen on each of the grip handles 8 of the wheelchair 1 and two armrests 41.
  • an exploded rear wheel 2 that includes an electric motor 3 formed by a stator 3a and a rotor 3b, of annular shape, the rotor 3b being of greater diameter than the stator 3a, and a battery 4 is also seen annular in shape and with a diameter greater than the stator 3a and the rotor 3b, motor controller 12 and a planetary transmission 13. All the above elements are arranged coaxially to the axis EJ of the rear wheel 2 and concentric with each other, in such a way that said elements are contained within the rim 10 and closed by a lid.
  • an axial quick-release element 9 that is, an axis coinciding with the axis EJ of the rear wheel, said axis allowing the quick release of the wheel of the wheelchair from its anchorage in the chassis for its replacement or exchange.
  • an assistant or caregiver can activate the electric motors 3 of the rear wheels 2 in case of need, obtaining help for the translation of the chair.
  • annular batteries explained, given their configuration do not allow a very high energy storage, since the function of these motorized rear wheels 2 is to help push the rear wheels, in certain situations, for example, before a steep slope, these batteries provide sufficient autonomy.
  • Figure 6 is a front view of a wheelchair like the one in figure 1 but with a control lever 40, on one of the armrests that allows, as indicated above, a movement of the wheelchair by part of a user of the chair, in areas with little slope, in particular within a home.
  • Figure 7 shows a front view of a wheelchair 1 like that of figure 1, which has the battery included in its rear wheels 2 connected through an electric charging socket 20 connected to a charger 21 of the battery to through a cable.
  • Figures 8 and 8A show a rear view of a wheelchair 1 like that of Figure 1, which has the battery of its rear wheels 2 connected through a charging socket
  • FIG. 8A shows the detail of said charger 21 which is made up of two charging panels and a plate that joins both panels loading. Said wheelchair 1 is coupled by its two rear wheels 2 to said loading panels of the loader
  • FIG. 9 a vehicle movable by manual push and assistance by electric motor 1 is illustrated, which is a shopping cart, comprising two free-turning front wheels 7 and two rear wheels 2 with the possibility of traction, being the said rear wheels 2, in this example, of a larger size than the front wheels 7 and in the cited example they comprise a pneumatic tire 11.
  • a push button switch 14 is also seen at each end of the vehicle's grip handle 8 movable by push and with electric motor assistance 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Un véhicule à poussée manuelle et assistance par moteur électrique comprend des roues avant (7) à rotation libre et deux roues arrière (2) actionnables par un moteur électrique (3), chacune desdites roues arrière (2) comprenant un moteur électrique (3) placé à l'intérieur de la jante (10) de chaque roue dans un logement et qui renferme une carte de commande électrique, une batterie (4), et un dispositif de commande de moteur (12) et une transmission planétaire. Le véhicule (1) comprend un dispositif de connexion pour une activation indépendante ou conjointe d'un des moteurs électriques (3) des roues arrière (2) pour que celles-ci effectuent une rotation en réponse à un effort de poussée du véhicule (1) et sélectivement une rotation assistée par un moteur électrique (3), à condition que la roue arrière se trouve en rotation par une impulsion antérieure donnée par l'utilisateur ou l'assistant.
PCT/ES2020/070397 2019-07-04 2020-06-18 Véhicule à poussée manuelle et assistance par moteur électrique WO2021001583A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ESU201931138 2019-07-04
ES201931138U ES1234160Y (es) 2019-07-04 2019-07-04 Silla de ruedas
ES201931140U ES1234489Y (es) 2019-07-04 2019-07-04 Vehiculo desplazable por empuje y con asistencia de motor electrico
ESU201931140 2019-07-04

Publications (1)

Publication Number Publication Date
WO2021001583A1 true WO2021001583A1 (fr) 2021-01-07

Family

ID=74101149

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2020/070397 WO2021001583A1 (fr) 2019-07-04 2020-06-18 Véhicule à poussée manuelle et assistance par moteur électrique

Country Status (1)

Country Link
WO (1) WO2021001583A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2343871A (en) * 1998-11-17 2000-05-24 Saul Manashe An electrically powered wheelchair
US6092615A (en) * 1997-02-28 2000-07-25 Otto Bock Orthopaedische Industrie Besitz-und Verwaltungs-Kommandit-Gesel lschaft Power assisted manually propelled vehicle and wheel assembly thereof
US6155367A (en) * 1998-03-21 2000-12-05 Ulrich Alber Gmbh & Co. Kg Drive assistance device for a hand-driven wheel chair
US20070056785A1 (en) * 2005-09-13 2007-03-15 Pihsiang Machinery Manufacturing Co., Ltd. Auxiliary power unit starting apparatus for a wheelchair
US20160075175A1 (en) * 2014-04-04 2016-03-17 Superpedestrian, Inc. Devices and methods for connecting a spoke to a hub

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6092615A (en) * 1997-02-28 2000-07-25 Otto Bock Orthopaedische Industrie Besitz-und Verwaltungs-Kommandit-Gesel lschaft Power assisted manually propelled vehicle and wheel assembly thereof
US6155367A (en) * 1998-03-21 2000-12-05 Ulrich Alber Gmbh & Co. Kg Drive assistance device for a hand-driven wheel chair
GB2343871A (en) * 1998-11-17 2000-05-24 Saul Manashe An electrically powered wheelchair
US20070056785A1 (en) * 2005-09-13 2007-03-15 Pihsiang Machinery Manufacturing Co., Ltd. Auxiliary power unit starting apparatus for a wheelchair
US20160075175A1 (en) * 2014-04-04 2016-03-17 Superpedestrian, Inc. Devices and methods for connecting a spoke to a hub

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