WO2020045692A1 - Dispositif de fauteuil roulant de sécurité - Google Patents

Dispositif de fauteuil roulant de sécurité Download PDF

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Publication number
WO2020045692A1
WO2020045692A1 PCT/KR2018/009878 KR2018009878W WO2020045692A1 WO 2020045692 A1 WO2020045692 A1 WO 2020045692A1 KR 2018009878 W KR2018009878 W KR 2018009878W WO 2020045692 A1 WO2020045692 A1 WO 2020045692A1
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WO
WIPO (PCT)
Prior art keywords
wheelchair
lever
frame
brake
plate
Prior art date
Application number
PCT/KR2018/009878
Other languages
English (en)
Korean (ko)
Inventor
유영배
Original Assignee
유영배
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
Application filed by 유영배 filed Critical 유영배
Priority to PCT/KR2018/009878 priority Critical patent/WO2020045692A1/fr
Publication of WO2020045692A1 publication Critical patent/WO2020045692A1/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
    • A61G5/10—Parts, details or accessories

Definitions

  • the present invention relates to a safety wheelchair device, and more particularly has a structure in which the seat is rotated so that the occupant in the wheelchair can safely sit or lower the wheelchair, operating in a brake lock state, and the occupant in the wheelchair
  • the safety wheelchair device for passenger protection that can prevent the fall safety accident that may occur when riding down the wheelchair by controlling the brake to be released automatically only when the guardian presses the handle of the wheelchair will be.
  • a wheelchair In general, a wheelchair is a means for a patient who is inconvenient to ride and moves, and the patient moves the wheelchair by directly pulling it or by a guardian pushing the wheelchair from behind.
  • wheelchairs have a problem in that fall safety accidents in which a patient is injured while falling from a wheelchair frequently occur while wheelchairs are in danger of getting in and out of wheelchairs, as the injured patients mainly ride.
  • an object of the present invention has a structure that the seat is rotated so that the occupant in the wheelchair can safely sit or lower the wheelchair, the wheelchair is normally in the brake lock state Provides a safety wheelchair device that prevents the fall safety accident that may occur when riding a wheelchair by controlling the brake so that the brake is automatically released and moved only when the guardian presses the handle of the wheelchair when the passenger is in the wheelchair. There is.
  • the safety wheelchair device comprises a seat frame composed of an upper seat plate and a lower seat plate such that the upper seat plate is uniaxially rotated on the lower seat plate; Two pivoting lever portions respectively coupled to a rear corner region of the seat frame; The upper seat plate is rotated on the lower seat plate by turning the one rotation lever part selected to the free rotation state while the one rotation lever part of the two rotation lever parts is locked. And a rotation lever portion for controlling the shaft to rotate.
  • the seat frame includes an upper seat plate coupled to the lower seat; A lower seat plate mounted below the wheelchair seat and fixedly coupled to the upper frame of the main frame forming the entire frame of the wheelchair; And a pivoting guide member formed at an interface between the upper seat plate and the lower seat plate to guide the uniaxial rotation of the upper seat plate on the lower seat plate.
  • the pivot guide member includes a ball member formed on the rear surface of the upper seat plate; A guide groove member on which the ball member is seated and moved on an upper surface of the lower seat plate; Two ball members are formed at the rear edge portion of the upper seat plate near the pivot lever part, and two guide groove members are formed corresponding to the ball member, and the ball member is seated to guide movement.
  • a ball member formed on the rear surface of the upper seat plate
  • a guide groove member on which the ball member is seated and moved on an upper surface of the lower seat plate
  • Two ball members are formed at the rear edge portion of the upper seat plate near the pivot lever part, and two guide groove members are formed corresponding to the ball member, and the ball member is seated to guide movement.
  • In charge extending from the lower edge of the rear seat plate to all corners in a diagonal direction, having an arc shape, and having two arcs intersecting, wherein one of the two ball members is one of the two guide groove members. It moves along the guide groove member is characterized in that the upper seat plate rotates in
  • Two pivoting frames configured to protrude in a vertical direction from two rear edges of the upper seat plate;
  • a rotation lever member mounted in the receiving frame; It is formed on the upper side of the two main shafts formed on the upper frame of the main frame that forms the entire frame of the wheelchair and is mounted on the wheelchair seat to control one rotation lever to rotate freely by one end by unlocking the rotation lever member. It characterized in that it comprises a locking member.
  • the rotation lever member may include a locking lever that prevents detachment from the receiving frame and serves as a switch for locking; An elastic member coupled to the lower lock lever; A locking piece coupled to a lower portion of the elastic member and configured to engage a switch clamp of the locking member;
  • the locking member is formed on the upper side of the main shaft of the upper frame, the switch clamp having a rotating shaft; It is characterized in that it comprises an elastic body coupled to the inside of the switch stage of the switch clamp provides an elastic force to the switch clamp.
  • Safety wheelchair device includes a lever frame that the guardian grips to move the wheelchair; And a brake plate frame connected to the lever frame and the main frame and interlocked with the operation of the lever frame to lower or raise the brake plate to switch the wheelchair to the brake lock state and the release state.
  • the lever frame includes a handle gripped by a protector for moving the wheelchair; A main lever which is integrally coupled at one end with the handle and forms a pivot shaft for controlling the operation of the brake locked state and the released state; The other end of the main lever is coupled to the brake plate frame, characterized in that configured to be connected to the main frame on the main lever shaft.
  • the brake plate frame includes a brake plate; A main lever connecting portion formed at the center of one end of the brake plate; Cylinder members formed at both sides of the one end and connected to the main frame; It is formed on both sides of the brake plate characterized in that it comprises a support member connected to the main frame.
  • the main frame is mounted under the wheelchair seat to form the entire skeleton of the wheelchair, and the two main wheels and the two auxiliary wheels are coupled to each other, including an upper frame formed under the seat and a lower frame to which the wheels are coupled.
  • the brake plate may be connected to the main lever through the main lever connection part, the cylinder member may be connected to the upper frame of the main frame, and the support member may be connected to the lower frame of the main frame.
  • the brake plate is separated into two plates, and the two separated plates are hinged and coupled to each other to form a foldable structure.
  • the brake plate When the wheelchair is stationary, the brake plate is in contact with the ground to maintain the brake lock state so that the wheelchair does not move;
  • the main lever shaft connected integrally with the handle moves and presses the brake plate coupled with the main lever upward.
  • the cylinder member of the brake plate is contracted by the pressure to move the brake plate upwards, and the entire brake flake supported by the support member is lifted from the ground so that the wheelchair is movable and is in a brake locked state.
  • the brake is released;
  • the pressure is removed and the cylinder member, which has been contracted as the main lever shaft moves to its original position, is reversely expanded so that the brake plate associated with the main lever returns to the original position, the lower brake plate. Is in contact with the ground is characterized in that the brake release state is switched to the brake lock state.
  • the brake plate is normally in contact with the ground so that the wheelchair is in the brake lock state, and the brake plate is provided only when the occupant rides on the wheelchair and the guardian presses the handle of the wheelchair.
  • the occupant can get in and out of the wheelchair while the seat is rotated left and right, so that the passenger can get on and off more conveniently, and there is an excellent effect of preventing the fall safety accident caused by the wheelchair rolling while standing up or sitting down. .
  • FIG. 1 is a perspective view schematically showing a wheelchair according to a preferred embodiment of the present invention
  • FIG. 2 is a front view and a side view of FIG. 1.
  • FIG. 3 is a configuration diagram schematically showing a seat portion of a safety wheelchair device according to an embodiment of the present invention.
  • FIG. 4 is a detailed block diagram of a sheet portion according to a preferred embodiment of the present invention.
  • FIG. 5 is a detailed configuration diagram of the locking member of FIG.
  • Figure 7 schematically shows the seat rotation operation according to the safety wheelchair device of the present invention.
  • FIG. 8 schematically shows a brake plate frame and a main frame according to a preferred embodiment of the present invention.
  • Figure 9 schematically shows that the brake plate is foldable in accordance with a preferred embodiment of the present invention.
  • Safety wheelchair device is composed of an upper seat plate and a lower seat plate 2 coupled to the seat frame and the rear corner region of the seat frame, the upper seat plate is configured to enable uniaxial rotation on the lower seat plate, respectively.
  • the upper seat plate includes three rotation lever parts, and while the one rotation lever part of the two rotation lever parts is locked, the other one of the selected rotation lever parts is switched to the free rotation state so that the locking lever part of the locked state is rotated. It characterized in that it comprises a rotation lever for controlling to rotate on the lower seat plate uniaxially.
  • FIG. 1 is a perspective view schematically showing a wheelchair according to a preferred embodiment of the present invention
  • Figure 2 is a front view and one side view of FIG.
  • the safety wheelchair device is a wheelchair seat device configured to be able to rotate and the brake plate is normally in contact with the ground, so that the wheelchair is in the brake lock state and the occupant rides on the wheelchair Only when the pressurization of the wheelchair handle may be configured to include a wheelchair brake system for controlling the movement of the wheelchair to the brake plate is lifted away from the ground is switched to the release state.
  • FIG 3 is a schematic view showing a seat portion of the safety wheelchair device according to a preferred embodiment of the present invention.
  • the safety wheelchair device is configured of an upper seat plate and a lower seat plate to control the rotation of the seat frame 41 and the seat frame, wherein the upper seat plate is configured to allow one-axis rotation on the lower seat plate. It can be configured to include a rotating lever portion 42.
  • the pivot lever portion 42 includes two pivot lever portions respectively coupled to the rear corner regions of the seat frame, and the other pivot lever selected while keeping one pivot lever portion of the two pivot lever portions locked.
  • the upper seat plate is controlled to rotate on the lower seat plate by one axis with the pivoting lever part in the locked state by switching the part to the free rotation state.
  • the seat frame 41 is uniaxially rotated by the upper seat plate 411 coupled to the lower seat, the lower seat plate 412 fixedly coupled to the upper frame of the main frame, and the seat fixing frame on the lower seat plate. It may be configured to include a rotation guide member (411a, 412a) formed at the interface of the upper sheet plate and the lower sheet plate to guide the.
  • the upper sheet plate 411 may be integrally formed with the sheet, and may be formed separately from the sheet.
  • Figure 4 is a detailed configuration of the seat portion according to a preferred embodiment of the present invention
  • Figure 5 is a detailed configuration of the locking member of Figure 4
  • Figure 6 schematically shows the operation of the rotation lever portion.
  • the pivoting guide members 411a and 412a may include a ball member 411a formed on the rear surface of the upper seat plate and a guide groove member 412a on which the ball member is seated and moved on the upper surface of the lower seat plate. .
  • Two ball members 411a may be formed at the rear edge portion of the upper seat plate near the pivot lever part.
  • the front part is defined as the whole and the rear part is defined as the rear, based on the direction in which the rear part and the wheelchair concerned move.
  • the guide groove member 412a is configured to guide the movement by seating the ball member, and extends from the rear edge of the lower seat plate to all the corners in the diagonal direction and has an arc shape and has two arcs intersecting each other. Can be.
  • one of the ball members 411a of the two ball members moves along the guide groove member of one of the two guide groove members 412a, and thus the upper seat plate 411 is moved to the left and right sides. It will rotate in one direction.
  • the pivot lever 42 includes two receiving frames 423 formed to protrude in the vertical direction from two rear edges of the upper seat plate, the pivoting lever member 421 mounted in the receiving frame, and the upper frame of the main frame. It may be configured to include a locking member 422 formed on the upper end of the two main shafts to control one rotation lever to rotate one axis to the free end by unlocking the two rotation lever members.
  • the pivoting lever member 421 is coupled to the locking member 421b coupled to the locking lever lower part and the locking lever lower part to prevent the separation from the receiving frame and serves as a switch for locking the lower locking member 421 It can be configured to include a locking piece (421c) formed so that the switch clamp of the member.
  • the locking lever 421a includes a bar that protrudes into the long groove 423a formed on the side of the receiving frame to maintain the displacement into the long groove to prevent separation, and the locking piece 421c when pressed downward for locking. ) Is engaged with the switch clasp 422a of the locking member to switch to the locked state.
  • the elastic member 421b may be configured as a compression spring and basically maintains a compressed state, but may be increased by an elastic force when pressed downward, and is converted to a compressed state again when the applied elastic force is removed.
  • the locking member 422 is formed on the upper side of the main shaft 311 of the upper frame, is coupled to the switch clamp 422a having a rotating shaft and the inside of the switch stage of the switch clamp has an elastic force to the switch clamp It may be configured to include an elastic body 422b.
  • Figure 7 schematically shows the seat rotation operation according to the wheelchair seat device of the present invention.
  • the brake system is connected to the lever frame 10 and the lever frame 10 and the main frame 30, which the guardian grips to move the wheelchair, and interlocks with the lever frame 10 to brake the locked and released state of the wheelchair. It may be configured to include a brake plate frame 20 to operate with.
  • the lever frame 10 has a handle 110 that is held by a guardian for moving a wheelchair and a main lever 120 that is integrally coupled to the handle at one end to form a rotation shaft for controlling the operation of the brake lock state and the release state. It can be configured to include.
  • the other end 121 of the main lever may be coupled to the brake plate frame and configured to be connected to the main frame 30 at the side surface 122 on the main lever shaft.
  • the main lever 120 is formed at a different angle with respect to the portion connected to the main frame, and the portion where the main lever and the main frame are combined serves as a lever to lift the brake plate frame with a small force. Can be.
  • FIG. 8 schematically shows a brake plate frame and a main frame according to a preferred embodiment of the present invention.
  • the brake plate frame 20 may include a main lever connecting portion 220 formed at the center of the brake plate 210 and one end of the brake plate, and a cylinder member formed at both sides of the one end and connected to the main frame. 230 and the support plate 240 formed on both sides of the brake plate and connected to the main frame.
  • the main frame 30 is mounted under the wheelchair seat to form the entire skeleton of the wheelchair, and the two main wheels and the two auxiliary wheels are coupled to each other, and the upper frame 310 and the wheels formed at the bottom of the seat are coupled to each other. It may be configured to include a lower frame 320.
  • the brake plate 210 is connected to the main lever 120 through the main lever connecting portion 220, the cylinder member 230 is connected to the upper frame 310 of the main frame, the support member is the main It is connected to the lower frame of the frame.
  • the cylinder member 230 may be composed of a hydraulic cylinder, a pneumatic cylinder and the like as a means for adjusting the length through the contraction and expansion.
  • the brake plate may be raised to release the brake and the guardian pushing the wheelchair may require too much force.
  • the main lever 120 according to the present invention is applied to the lever principle to move up and down the brake plate 210 with only a small force of the handle, but even with a smaller force to lift the brake plate 210 by the guardian of pulling the wheelchair
  • the cylinder member 230 may be included to increase convenience.
  • the brake plate must be raised and switched to the brake release state only by a light pressing force, not by a large force.
  • the cylinder member may provide a force to contract the member even with a small force that presses the handle to raise the brake plate. Can be.
  • Figure 9 schematically shows that the brake plate is foldable in accordance with a preferred embodiment of the present invention.
  • the brake plate 210 may be separated into two plates 211 and 212, and the separated two plates may be hinged to form a folding structure. Therefore, the brake plate can be folded and unfolded as necessary.
  • the wheelchair brake system according to the present invention is characterized in that the brake plate directly touches the ground to keep the wheelchair in a brake-locked state, and the brake plate is raised to be spaced apart from the ground to convert the wheelchair to the brake release state.
  • FIG. 10 shows that the wheelchair brake system according to the present invention is in a brake locked state
  • FIG. 11 shows that the brake is in a released state
  • FIG. 12 shows the brake locked and released state of the wheelchair. The figures are shown in comparison.
  • the brake plate is in contact with the ground in the state in which the wheelchair is stopped, the brake lock state is not moved.
  • the wheelchair does not move so that the occupant can safely ride in the wheelchair.
  • the main lever integrally connected to the handle is combined with the main frame to become a center of gravity and moves like a lever to press the brake plate coupled with the main lever upward.
  • the main lever is a center of gravity of the lever coupled to the main frame and the angle of the main lever is formed differently around the portion engaged with the main frame, so that the brake plate is easily raised with only a small force applied to the handle. You can move it.
  • the cylinder member of the brake plate is contracted by the pressure to move the brake plate upwards, and the entire brake flake supported by the support member is lifted from the ground.
  • the wheelchair becomes movable and is switched from the brake lock state to the brake release state.
  • the present invention relates to a safety wheelchair device, and more particularly has a structure in which the seat is rotated so that the occupant in the wheelchair can safely sit or lower the wheelchair, operating in a brake lock state, and the occupant in the wheelchair Therefore, the brakes are automatically released only when the guardian presses the handle of the wheelchair so that the brake can be controlled so that the fall safety accidents that may occur when riding the wheelchair are prevented. It is a very useful invention for the welfare industry.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)

Abstract

La présente invention concerne un dispositif de fauteuil roulant de sécurité et, plus particulièrement, un dispositif de fauteuil roulant de sécurité pour la protection de l'occupant, qui a une structure comprenant un siège rotatif de telle sorte qu'un occupant d'un fauteuil roulant peut s'asseoir ou se lever en toute sécurité, le dispositif commandant un frein de celui-ci de telle sorte que : pendant des périodes normales, le fauteuil roulant est actionné dans un état dans lequel le frein est verrouillé; et le frein est automatiquement déverrouillé uniquement lorsqu'un tuteur appuie sur une poignée du fauteuil roulant de telle sorte que le fauteuil roulant occupé par l'occupant peut être déplacé. Par conséquent, la présente invention peut empêcher à l'avance un accident de sécurité associé à une chute qui peut se produire lorsqu'un occupant s'assied ou se lève du fauteuil roulant.
PCT/KR2018/009878 2018-08-27 2018-08-27 Dispositif de fauteuil roulant de sécurité WO2020045692A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2018/009878 WO2020045692A1 (fr) 2018-08-27 2018-08-27 Dispositif de fauteuil roulant de sécurité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2018/009878 WO2020045692A1 (fr) 2018-08-27 2018-08-27 Dispositif de fauteuil roulant de sécurité

Publications (1)

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WO2020045692A1 true WO2020045692A1 (fr) 2020-03-05

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PCT/KR2018/009878 WO2020045692A1 (fr) 2018-08-27 2018-08-27 Dispositif de fauteuil roulant de sécurité

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0661351B2 (ja) * 1991-03-29 1994-08-17 フランスベッドメディカルサービス株式会社 車椅子
JP2004195193A (ja) * 2002-10-22 2004-07-15 Noritaka Kimura 自動ブレーキ付車椅子
KR200457329Y1 (ko) * 2009-11-19 2011-12-15 주식회사 대상에스앤티 핸드브레이크장치를 갖춘 보행보조기
KR20130095961A (ko) * 2012-02-21 2013-08-29 인제대학교 산학협력단 회전식 둥근 의자를 갖춘 휠체어
KR101496587B1 (ko) * 2013-12-26 2015-02-25 순천향대학교 산학협력단 가변식 시트를 갖는 휠체어
KR101956004B1 (ko) * 2017-08-09 2019-03-08 유영배 휠체어 시트 장치
KR101956000B1 (ko) * 2017-08-09 2019-03-08 유영배 휠체어 브레이크 시스템

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0661351B2 (ja) * 1991-03-29 1994-08-17 フランスベッドメディカルサービス株式会社 車椅子
JP2004195193A (ja) * 2002-10-22 2004-07-15 Noritaka Kimura 自動ブレーキ付車椅子
KR200457329Y1 (ko) * 2009-11-19 2011-12-15 주식회사 대상에스앤티 핸드브레이크장치를 갖춘 보행보조기
KR20130095961A (ko) * 2012-02-21 2013-08-29 인제대학교 산학협력단 회전식 둥근 의자를 갖춘 휠체어
KR101496587B1 (ko) * 2013-12-26 2015-02-25 순천향대학교 산학협력단 가변식 시트를 갖는 휠체어
KR101956004B1 (ko) * 2017-08-09 2019-03-08 유영배 휠체어 시트 장치
KR101956000B1 (ko) * 2017-08-09 2019-03-08 유영배 휠체어 브레이크 시스템

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