WO2020036453A1 - Automatic footrest control apparatus connected to wheelchair safety bar - Google Patents

Automatic footrest control apparatus connected to wheelchair safety bar Download PDF

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Publication number
WO2020036453A1
WO2020036453A1 PCT/KR2019/010402 KR2019010402W WO2020036453A1 WO 2020036453 A1 WO2020036453 A1 WO 2020036453A1 KR 2019010402 W KR2019010402 W KR 2019010402W WO 2020036453 A1 WO2020036453 A1 WO 2020036453A1
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WO
WIPO (PCT)
Prior art keywords
tension
safety bar
footrest
adjusting means
wheelchair
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PCT/KR2019/010402
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French (fr)
Korean (ko)
Inventor
유영배
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유영배
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Publication of WO2020036453A1 publication Critical patent/WO2020036453A1/en

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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
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/127—Rests specially adapted therefor, e.g. for the head or the feet for lower legs
    • 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
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet

Definitions

  • the present invention relates to a footrest automatic control device interlocked with a wheelchair safety bar, and more particularly, the fall safety accident when getting on and off the wheelchair in a state in which the safety bar is removed to prevent the fall of the wheelchair occupant while driving the wheelchair
  • the footrest is unfolded, when the safety bar is fastened automatically the footrest is returned to its original position, so that the occupant can put the foot on the footrest while driving, fall safety accidents caused by footrests that can occur during wheelchair loading and unloading process
  • the present invention relates to a footrest automatic control device associated with a wheelchair safety bar that can be prevented.
  • a wheelchair is a means for a patient who is inconvenient to board and move, and the patient moves the wheelchair by dragging the wheelchair directly or by pushing a wheelchair from behind.
  • Safety bars or seat belts are installed to prevent occupants in wheelchairs from falling in wheelchairs during movement.
  • the person in a wheelchair is often inconvenient because the body is inconvenient because the ability to respond when the fall occurs, leading to major injuries.
  • the object of the present invention as devised to solve the above problems is to prevent the fall safety accident when getting on and off the wheelchair when the safety bar is removed to prevent the fall of the wheelchair occupant in wheelchair driving
  • the foot rest is automatically returned to its original position, so that the occupant can put the foot on the foot stand while driving, so that the wheelchair can prevent the fall safety accident caused by the foot rest that may occur during the getting on and off process.
  • a footrest automatic control device interlocked with a wheelchair safety bar includes one end of tension control means connected to the safety bar and the other end connected to the footrest; A tension control means connected to an inside of the safety bar that is one end of the tension adjusting means to control the tension of the tension adjusting means according to the opening and closing of the safety bar; A foot rest control means connected to the foot rest that is the other end of the tension control means to control the opening and closing of the foot rest according to the control of the tension control means when the safety bar is fastened so that the foot rest is closed and the foot rest is extended when the safety bar is unfolded. It is characterized in that the operation.
  • the tension control means is composed of a cable or wire, the tension bar is pulled in the opposite direction in the state in which the safety bar is unfolded, the tension is generated, and when the safety bar is fastened the generated tension is removed the foot Characterized in that it is set to remove the tension pulled on the hanger.
  • the tension control means is configured to be connected to the tension control means in the safety bar, the coupler coupled to the tension control means in the fixed frame of the safety bar; And a tension bar rotatably coupled to the other end of the coupler in the pivot frame of the safety bar.
  • the tension bar When the tension bar is unfolded in a state in which the rotation frame of the safety bar is engaged, the tension bar generates a tension in which the tension bar is rotated according to the rotation displacement of the safety bar and pulls the tension adjusting means in a direction in which the rotation frame is unfolded. When this is tightened again, the tension generated in the tension adjusting means is removed so that the tension adjusting means is restored to its original state without tension.
  • the footrest control means includes a control frame formed outside the main shaft of the footrest; A lock lever formed to operate the control frame and having a holder coupled to the other end of the tension adjusting means; It characterized in that it comprises an elastic member connected to the rear end of the control frame.
  • the lock lever is configured to penetrate the control frame and the holder to which the tension adjusting means is fastened to the lower end thereof is configured to protrude laterally;
  • the tension adjusting means fastened to the holder provides a pulling force of the holder when a tension is drawn by the tension control means, and thus the holder generates a rotational force and the elastic member provides an elastic force to the footrest. Unfolds as the table is rotated; On the contrary, when the tension acting on the tension adjusting means is removed by the tension control means, the pulling force of the holder is removed, and the holder rotates to its original position and controls to close the footrest that was opened by the restoring force of the elastic member. It features.
  • the safety bar is in the unfolded state, that is, in the process of the passengers get on and off the wheelchair, the footrest unfolded in the unloaded safety situation when getting on and off the wheelchair Excellent effect to ensure that the footrest is closed when the safety bar is filled, that is, when the occupant moves safely in the wheelchair, so that the occupant can move safely on the footrest. Occurs.
  • Figure 1 schematically shows a footrest automatic control device interlocked with a wheelchair safety bar according to a preferred embodiment of the present invention.
  • FIG. 2 schematically illustrates the safety bar structure of FIG. 1.
  • FIG. 3 schematically illustrates a tension control means mounted inside the safety bar of FIG.
  • FIG 4 schematically illustrates the operation of the tension control means according to the safety bar operation.
  • FIG. 5 schematically shows the foot rest control means of FIG. 1.
  • FIG 6 and 7 schematically show the operation of the footrest interlocked with the safety bar according to the preferred embodiment of the present invention.
  • Foot restraint automatic control device interlocked with the wheelchair safety bar according to the present invention is connected to the safety bar and the other end is connected to the inside of the safety bar which is one end of the tension adjusting means 10 and the tension adjusting means connected to the safety bar the safety bar Foot rest control means connected to the tension control means 20 for controlling the tension of the tension control means in accordance with the opening and closing of the tension control means and to control the opening and closing of the foot rest according to the control of the tension control means It characterized by including 30.
  • Figure 1 schematically shows a footrest automatic control device interlocked with a wheelchair safety bar according to a preferred embodiment of the present invention.
  • the footrest automatic control device interlocked with the wheelchair safety bar is connected to the safety bar and the other end is connected to the inside of the safety bar which is one end of the tension control means and the tension control means 10 is connected to the footrest;
  • Foot stand that is connected to the tension control means 20 for controlling the tension of the tension control means in accordance with the opening and closing of the safety bar and the foot rest which is the other end of the tension adjusting means to control the opening and closing of the foot rest according to the control of the tension control means.
  • the tension control means 10 may be composed of a cable or a wire used for a bicycle or a wheelchair brake, the tension control means 10 is pulled in the opposite direction to the footrest in the state that the safety bar 40 is unfolded When the tension is generated and the safety bar 40 is fastened, the generated tension is removed to set the tension pulled on the footrest.
  • FIG. 2 schematically illustrates the safety bar structure of FIG. 1.
  • the safety bar 40 includes a pair of fixed frames 410 serving as armrests and a pair of rotating frames 420 that are rotatably coupled through the hinge and the fixed frame to fasten or separate the safety bars. Can be configured.
  • An end of the rotating frame may include a fastening means 421 to which a pair of rotating frames may be fastened.
  • the fastening means may be configured such that a pair of members are engaged with each other, and the fastening means engaged by magnetic force may be configured to be detached.
  • FIG. 3 schematically illustrates the tension control means mounted in the safety bar of FIG. 1
  • FIG. 4 schematically illustrates the operation of the tension control means according to the safety bar operation.
  • the tension control means 20 is configured to be connected to the tension control means 10 in the safety bar 40, coupler 210 coupled to the tension control means in the fixed frame 410 of the safety bar. And a tension bar 220 rotatably coupled to the other end of the coupler in the rotating frame 420 of the safety bar.
  • the tension bar 220 When the tension bar 220 is unfolded in a state in which the pivot frame 420 of the safety bar is engaged, the tension bar 220 rotates according to the rotational displacement of the pivot frame 420 so that the tension frame is unfolded. In the direction of the tension is generated, and when the rotation frame is fastened again, the tension generated in the tension adjusting means 10 is removed and the tension adjusting means 10 is restored to its original state without tension.
  • FIG. 5 schematically shows the foot rest control means of FIG. 1.
  • the footrest control means 30 is a lock lever 320 having a control frame 310 formed outside the footrest main shaft and a holder 321 formed to penetrate the control frame and coupled with the other end of the tension control means. ) And an elastic member 330 coupled by a connecting ring 311 between the rear end of the control frame.
  • the lock lever 320 is configured to penetrate the control frame 310 and the holder 321 to which the tension adjusting means is fastened to the lower end thereof is projected to the side.
  • the holder 321 Since the holder 321 is located at the center of the footrest main shaft, when the force applied to the holder is applied, the holder is pulled and the footrest is expanded while the main shaft of the footrest is rotated.
  • the tension adjusting means 10 coupled to the holder 321 provides a force to pull the holder when the tension is pulled by the tension control means and accordingly the holder 321 is a rotating force is generated And the elastic member 330 is provided to the elastic force is the foot rest unfolded while rotating.
  • the tension control means 20 is installed, the footrest is linked to expand and close.
  • FIG 6 and 7 schematically show the operation of the footrest interlocked with the safety bar according to the preferred embodiment of the present invention.
  • the tension bar 220 formed inside the rotation frame is stretched and rotated while the rotation frame 420 of the safety bar is rotated to expand and rotate. It is pulled in the unfolding direction.
  • the coupler 210 connected to the tension bar 220 is also pulled and a tension is drawn to the wire coupled to the coupler.
  • the holder 321 connected to the other end of the wire is also provided with a pulling force, and accordingly the elastic force acts on the elastic member 330 according to the rotation force of the holder 321, thereby providing a footrest. It will unfold.
  • the footrest is also extended, thereby preventing a fall safety accident caused by the occupant taking off the footrest during the getting on and off process.
  • the tension bar 220 formed inside the rotation frame is rotated to the original position in the process of the rotation frame 420 of the safety bar is rotated to the original position, the tension The tension force acting on the bar 220 is removed and thus the tension generated on the wire is removed, and thus the force acting on the holder 321 connected to the other end of the wire is also removed, and the foot rest that is unfolded by the restoring force of the elastic member is returned to its original position. It is closed.
  • the footrest is also closed together so that the occupant can safely put the foot on the footrest while driving.
  • the present invention relates to a footrest automatic control device interlocked with a wheelchair safety bar, and more particularly, the fall safety accident when getting on and off the wheelchair in a state in which the safety bar is removed to prevent the fall of the occupant in the wheelchair driving
  • the footrest is unfolded, when the safety bar is fastened automatically the footrest is returned to its original position, while the driver can put the foot on the footrest while driving, fall safety accidents caused by footrests that can occur during wheelchair loading and unloading process
  • the invention is very useful for the welfare and health industry for the protection of patients and the elderly.

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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)
  • Passenger Equipment (AREA)

Abstract

The present invention relates to an automatic footrest control apparatus connected to a wheelchair safety bar. More specifically, footrests are unfolded in order to prevent a user from falling when getting into or out of a wheelchair when a safety bar for preventing the user sitting in the wheelchair from falling while driving the wheelchair has been removed, and the footrests automatically return to the original state when the safety bar is coupled and thus the user can rest one's feet on the footrests while driving. Therefore, the present invention can prevent a fall due to footrests while the user is getting into or out of the wheelchair.

Description

휠체어 안전바와 연동된 발걸이대 자동 제어 장치Footrest automatic control device linked with wheelchair safety bar
본 발명은 휠체어 안전바와 연동된 발걸이대 자동 제어 장치에 관한 것으로, 더욱 상세하게는 휠체어에 탑승한 탑승자가 휠체어 주행시 낙상사고가 발생하는 것을 방지하기 위한 안전바가 제거된 상태에서는 휠체어 승하차시 낙상 안전사고를 방지하기 위해 발걸이대가 펼쳐지고, 상기 안전바가 체결되면 자동으로 상기 발걸이대가 원위치로 복귀되어 주행중에는 탑승자가 발을 발걸이대에 올려놓을 수 있으므로 휠체어 승하차 과정에서 발생할 수 있는 발걸이대에 의한 낙상 안전사고를 방지할 수 있는 휠체어 안전바와 연동된 발걸이대 자동 제어 장치에 관한 것이다.The present invention relates to a footrest automatic control device interlocked with a wheelchair safety bar, and more particularly, the fall safety accident when getting on and off the wheelchair in a state in which the safety bar is removed to prevent the fall of the wheelchair occupant while driving the wheelchair In order to prevent the footrest is unfolded, when the safety bar is fastened automatically the footrest is returned to its original position, so that the occupant can put the foot on the footrest while driving, fall safety accidents caused by footrests that can occur during wheelchair loading and unloading process The present invention relates to a footrest automatic control device associated with a wheelchair safety bar that can be prevented.
일반적으로 휠체어는 몸이 불편한 환자가 탑승하여 이동하는 수단으로 환자가 직접 휠체어를 끌거나 보호자가 뒤에서 휠체어를 밀면서 이동하게 된다.In general, a wheelchair is a means for a patient who is inconvenient to board and move, and the patient moves the wheelchair by dragging the wheelchair directly or by pushing a wheelchair from behind.
그리고 휠체어에 탑승한 탑승자가 이동 중 휠체어에서 낙상하는 것을 방지하기 위해 안전바 또는 안전벨트가 설치된다.Safety bars or seat belts are installed to prevent occupants in wheelchairs from falling in wheelchairs during movement.
휠체어는 몸이 불편한 환자가 탑승하는 만큼 휠체어가 이동 중일 때도 낙상 안전사고의 위험이 있지만, 이동 중 일 때보다 휠체어를 타고 내릴 때가 매우 위험하고 휠체어에 타고 내리는 도중 휠체어에 설치된 발걸이대를 밟음으로써 휠체어가 전복되거나 탑승자가 휠체어에서 낙상함으로써 발생하는 안전사고가 빈번하게 발생하는 문제가 있었다. Although wheelchairs are in danger of falling safety accidents even when the wheelchairs are moving, as wheelchairs are inconvenient to ride, it is more dangerous to get in and out of the wheelchair than when they are moving, and by stepping on the footrests installed in the wheelchairs while getting in and out of wheelchairs There has been a problem of frequent accidents caused by an overturn or fall of a passenger in a wheelchair.
특히, 휠체어에 탑승하는 사람은 몸이 불편하기 때문에 낙상 사고가 발생시 대응 능력이 떨어지기 때문에 큰 부상으로 이어지는 경우가 빈번하다.In particular, the person in a wheelchair is often inconvenient because the body is inconvenient because the ability to respond when the fall occurs, leading to major injuries.
상기와 같은 문제점을 해결하기 위해 휠체어에서 승하차하는 경우 발받침대가 펼쳐진 상태를 유지함으로써 발받침대로 인한 낙상 안전사고를 미연에 방지할 수 있는 안전장치가 필요한 실정이다. In order to solve the above problems, when getting on and off the wheelchair, a safety device capable of preventing a fall safety accident due to the foot rest by maintaining the foot rest unfolded is required.
상기와 같은 문제점을 해결하기 위해 안출된 것으로서 본 발명의 목적은 휠체어에 탑승한 탑승자가 휠체어 주행시 낙상사고가 발생하는 것을 방지하기 위한 안전바가 제거된 상태에서는 휠체어 승하차시 낙상 안전사고를 방지하기 위해 발걸이대가 펼쳐지고, 상기 안전바가 체결되면 자동으로 상기 발걸이대가 원위치로 복귀되어 주행중에는 탑승자가 발을 발걸이대에 올려놓을 수 있으므로 휠체어 승하차 과정에서 발생할 수 있는 발걸이대에 의한 낙상 안전사고를 방지할 수 있는 휠체어 안전바와 연동된 발걸이대 자동 제어 장치를 제공하는 데 있다.The object of the present invention as devised to solve the above problems is to prevent the fall safety accident when getting on and off the wheelchair when the safety bar is removed to prevent the fall of the wheelchair occupant in wheelchair driving When the seat is unfolded and the safety bar is fastened, the foot rest is automatically returned to its original position, so that the occupant can put the foot on the foot stand while driving, so that the wheelchair can prevent the fall safety accident caused by the foot rest that may occur during the getting on and off process. It is to provide a footrest automatic control device linked with a safety bar.
상기와 같은 목적을 달성하기 위해 본 발명에 따른 휠체어 안전바와 연동된 발걸이대 자동 제어 장치는 일단이 안전바와 연결되고 타단이 발걸이대에 연결된 장력 조절수단과; 상기 장력 조절수단의 일단인 안전바 내부에 연결되어 상기 안전바의 개폐에 따라 상기 장력 조절수단의 장력을 제어하는 장력제어수단과; 상기 장력 조절수단의 타단인 발걸이대에 연결되어 상기 장력제어수단의 제어에 따라 발걸이대의 개폐를 제어하는 발걸이대 제어수단을 포함하여 안전바가 체결되면 발걸이대가 닫히고 안전바가 펼쳐지면 상기 발걸이대가 펼져지도록 동작하는 것을 특징으로 한다. In order to achieve the above object, a footrest automatic control device interlocked with a wheelchair safety bar according to the present invention includes one end of tension control means connected to the safety bar and the other end connected to the footrest; A tension control means connected to an inside of the safety bar that is one end of the tension adjusting means to control the tension of the tension adjusting means according to the opening and closing of the safety bar; A foot rest control means connected to the foot rest that is the other end of the tension control means to control the opening and closing of the foot rest according to the control of the tension control means when the safety bar is fastened so that the foot rest is closed and the foot rest is extended when the safety bar is unfolded. It is characterized in that the operation.
상기 장력 조절수단은 케이블 또는 와이어로 구성되고, 상기 안전바가 펼쳐진 상태에서는 상기 장력 조절수단이 발걸이대 반대방향으로 잡아 당겨지는 장력이 발생하고, 상기 안전바가 체결되면 상기 발생된 장력이 제거되어 상기 발걸이대에 잡아 당겨지던 장력이 제거되도록 세팅되는 것을 특징으로 한다. The tension control means is composed of a cable or wire, the tension bar is pulled in the opposite direction in the state in which the safety bar is unfolded, the tension is generated, and when the safety bar is fastened the generated tension is removed the foot Characterized in that it is set to remove the tension pulled on the hanger.
상기 장력제어수단은 상기 안전바 내부에서 상기 장력 조절수단과 연결되어 구성되고, 안전바의 고정 프레임 내부에서 상기 장력 조절수단과 결합되는 커플러와; 안전바의 회동 프레임 내부에서 상기 커플러 타단과 회동가능하게 결합된 텐션바를 포함하는 것을 특징으로 한다. The tension control means is configured to be connected to the tension control means in the safety bar, the coupler coupled to the tension control means in the fixed frame of the safety bar; And a tension bar rotatably coupled to the other end of the coupler in the pivot frame of the safety bar.
상기 텐션바는 상기 안전바의 회동 프레임이 체결된 상태에서 펼쳐지면 회동 프레임임의 회동 변위에 따라 상기 텐션바가 회동하면서 장력 조절수단을 회동 프레임이 펼쳐지는 방향으로 잡아당기는 장력을 발생시키고, 상기 회동 프레임이 다시 체결되면 상기 장력 조절수단에 발생된 장력이 제거되어 상기 장력 조절수단은 장력이 없는 원 상태로 복구되는 것을 특징으로 한다. When the tension bar is unfolded in a state in which the rotation frame of the safety bar is engaged, the tension bar generates a tension in which the tension bar is rotated according to the rotation displacement of the safety bar and pulls the tension adjusting means in a direction in which the rotation frame is unfolded. When this is tightened again, the tension generated in the tension adjusting means is removed so that the tension adjusting means is restored to its original state without tension.
상기 발걸이대 제어수단은 발걸이대 메인 축 외부에 형성된 제어프레임과; 상기 제어프레임을 관동하도록 형성되고 상기 장력 조절수단의 타단과 결합되는 홀더를 구비하는 잠금레버와; 상기 제어 프레임 후단에 연결된 탄성부재를 포함하는 것을 특징으로 한다. The footrest control means includes a control frame formed outside the main shaft of the footrest; A lock lever formed to operate the control frame and having a holder coupled to the other end of the tension adjusting means; It characterized in that it comprises an elastic member connected to the rear end of the control frame.
상기 잠금레버는 상기 제어프레임을 관통하도록 구성되고 관통된 하단에 상기 장력 조절수단이 체결되는 홀더가 측면으로 돌출되도록 구성되고; 상기 홀더에 체결된 장력 조절수단은 장력 제어수단에 의해 잡아 당겨지는 장력이 발생하면 상기 홀더를 잡아당기는 힘을 제공하고 이에 따라 홀더는 회동하는 힘이 발생하고 상기 탄성부재가 탄성력을 제공하여 상기 발걸이대가 회동하면서 펼쳐지고; 이와 반대로 상기 장력 제어수단에 의해 장력 조절수단에 작용하던 장력이 제거되면 상기 홀더를 잡아당기는 힘이 제거되고, 상기 홀더는 원위치로 회동하고 탄성부재의 복원력에 의해 펼쳐졌던 발걸이대가 닫히도록 제어하는 것을 특징으로 한다. The lock lever is configured to penetrate the control frame and the holder to which the tension adjusting means is fastened to the lower end thereof is configured to protrude laterally; The tension adjusting means fastened to the holder provides a pulling force of the holder when a tension is drawn by the tension control means, and thus the holder generates a rotational force and the elastic member provides an elastic force to the footrest. Unfolds as the table is rotated; On the contrary, when the tension acting on the tension adjusting means is removed by the tension control means, the pulling force of the holder is removed, and the holder rotates to its original position and controls to close the footrest that was opened by the restoring force of the elastic member. It features.
상기에서 살펴본 바와 같이, 본 발명에 따른 휠체어 안전바와 연동된 발걸이대 자동 제어 장치는 안전바가 펼쳐진 상태, 즉 탑승자가 휠체어에 승하차하는 과정에서는 발걸이대가 펼쳐진 상태를 유지함으로써 휠체어 승하차시 낙상 안전사고를 미연에 방지할 수 있으며, 안전바가 채워진 상태, 즉 탑승자가 휠체어에 안전하게 탑승하여 이동하는 상태에서는 발걸이대가 닫힌 상태로 전환되어 탑승자가 발걸이대에 발을 올려놓고 안전하게 이동할 수 있는 것을 보장할 수 있는 탁월한 효과가 발생한다.As described above, the footrest automatic control device interlocked with the wheelchair safety bar according to the present invention, the safety bar is in the unfolded state, that is, in the process of the passengers get on and off the wheelchair, the footrest unfolded in the unloaded safety situation when getting on and off the wheelchair Excellent effect to ensure that the footrest is closed when the safety bar is filled, that is, when the occupant moves safely in the wheelchair, so that the occupant can move safely on the footrest. Occurs.
도 1은 본 발명의 바람직한 실시예에 따른 휠체어 안전바와 연동된 발걸이대 자동 제어 장치를 개략적으로 도시한 것이다.Figure 1 schematically shows a footrest automatic control device interlocked with a wheelchair safety bar according to a preferred embodiment of the present invention.
도 2는 도 1의 안전바 구조를 개략적으로 도시한 것이다.FIG. 2 schematically illustrates the safety bar structure of FIG. 1.
도 3은 도 1의 안전바 내부에 장착된 장력 제어 수단을 개략적으로 도시한 것이다.3 schematically illustrates a tension control means mounted inside the safety bar of FIG.
도 4는 안전바 동작에 따른 장력 제어 수단의 동작을 개략적으로 도시한 것이다.4 schematically illustrates the operation of the tension control means according to the safety bar operation.
도 5는 도 1의 발걸이대 제어 수단을 개략적으로 도시한 것이다.FIG. 5 schematically shows the foot rest control means of FIG. 1.
도 6 및 도 7은 본 발명의 바람직한 실시예에 따른 안전바와 연동된 발걸이대의 동작을 개략적으로 도시한 것이다. 6 and 7 schematically show the operation of the footrest interlocked with the safety bar according to the preferred embodiment of the present invention.
본 발명에 따른 휠체어 안전바와 연동된 발걸이대 자동 제어 장치는 일단이 안전바와 연결되고 타단이 발걸이대에 연결된 장력 조절수단(10)과 상기 장력 조절수단의 일단인 안전바 내부에 연결되어 상기 안전바의 개폐에 따라 상기 장력 조절수단의 장력을 제어하는 장력제어수단(20)과 상기 장력 조절수단의 타단인 발걸이대에 연결되어 상기 장력제어수단의 제어에 따라 발걸이대의 개폐를 제어하는 발걸이대 제어수단(30)을 포함하는 것을 특징으로 한다.Foot restraint automatic control device interlocked with the wheelchair safety bar according to the present invention is connected to the safety bar and the other end is connected to the inside of the safety bar which is one end of the tension adjusting means 10 and the tension adjusting means connected to the safety bar the safety bar Foot rest control means connected to the tension control means 20 for controlling the tension of the tension control means in accordance with the opening and closing of the tension control means and to control the opening and closing of the foot rest according to the control of the tension control means It characterized by including 30.
이하, 본 발명의 바람직한 실시예에 대하여 도면을 참조하여 상세하게 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명의 바람직한 실시예에 따른 휠체어 안전바와 연동된 발걸이대 자동 제어 장치를 개략적으로 도시한 것이다.Figure 1 schematically shows a footrest automatic control device interlocked with a wheelchair safety bar according to a preferred embodiment of the present invention.
도 1을 참조하면, 휠체어 안전바와 연동된 발걸이대 자동 제어 장치는 일단이 안전바와 연결되고 타단이 발걸이대에 연결된 장력 조절수단(10)과 상기 장력 조절수단의 일단인 안전바 내부에 연결되어 상기 안전바의 개폐에 따라 상기 장력 조절수단의 장력을 제어하는 장력제어수단(20)과 상기 장력 조절수단의 타단인 발걸이대에 연결되어 상기 장력제어수단의 제어에 따라 발걸이대의 개폐를 제어하는 발걸이대 제어수단(30)을 포함하는 것을 특징으로 한다.Referring to Figure 1, the footrest automatic control device interlocked with the wheelchair safety bar is connected to the safety bar and the other end is connected to the inside of the safety bar which is one end of the tension control means and the tension control means 10 is connected to the footrest; Foot stand that is connected to the tension control means 20 for controlling the tension of the tension control means in accordance with the opening and closing of the safety bar and the foot rest which is the other end of the tension adjusting means to control the opening and closing of the foot rest according to the control of the tension control means. It characterized in that it comprises a control means (30).
상기 장력 조절수단(10)은 자전거 또는 휠체어 브레이크에 사용되는 케이블 또는 와이어로 구성될 수 있으며, 상기 안전바(40)가 펼쳐진 상태에서는 상기 장력 조절수단(10)이 발걸이대 반대방향으로 잡아 당겨지는 장력이 발생하고, 상기 안전바(40)가 체결되면 상기 발생된 장력이 제거되어 상기 발걸이대에 잡아 당겨지던 장력이 제거되도록 세팅된다.The tension control means 10 may be composed of a cable or a wire used for a bicycle or a wheelchair brake, the tension control means 10 is pulled in the opposite direction to the footrest in the state that the safety bar 40 is unfolded When the tension is generated and the safety bar 40 is fastened, the generated tension is removed to set the tension pulled on the footrest.
도 2는 도 1의 안전바 구조를 개략적으로 도시한 것이다.FIG. 2 schematically illustrates the safety bar structure of FIG. 1.
상기 안전바(40)는 팔걸이 역할을 담당하는 한 쌍의 고정 프레임(410)과 상기 고정 프레임과 힌지 결합을 통해 회동 가능하게 결합되어 안전바를 체결 또는 분리하는 한 쌍의 회동 프레임(420)을 포함하여 구성될 수 있다. 상기 회동 프레임의 끝단은 한 쌍의 회동 프레임이 체결될 수 있는 체결 수단(421)을 포함하여 구성될 수 있다.The safety bar 40 includes a pair of fixed frames 410 serving as armrests and a pair of rotating frames 420 that are rotatably coupled through the hinge and the fixed frame to fasten or separate the safety bars. Can be configured. An end of the rotating frame may include a fastening means 421 to which a pair of rotating frames may be fastened.
도 2와 같이 상기 체결 수단은 한 쌍의 부재가 서로 맞물려 결합되도록 구성될 수 있으며, 자력에 의해 맞물린 체결수단이 착탈되도록 구성될 수 있다.As shown in FIG. 2, the fastening means may be configured such that a pair of members are engaged with each other, and the fastening means engaged by magnetic force may be configured to be detached.
도 3은 도 1의 안전바 내부에 장착된 장력 제어 수단을 개략적으로 도시한 것이고, 도 4는 안전바 동작에 따른 장력 제어 수단의 동작을 개략적으로 도시한 것이다.FIG. 3 schematically illustrates the tension control means mounted in the safety bar of FIG. 1, and FIG. 4 schematically illustrates the operation of the tension control means according to the safety bar operation.
상기 장력제어수단(20)은 상기 안전바(40) 내부에서 상기 장력 조절수단(10)과 연결되어 구성되고, 안전바의 고정 프레임(410) 내부에서 상기 장력 조절수단과 결합되는 커플러(210)와 안전바의 회동 프레임(420) 내부에 서 상기 커플러 타단과 회동가능하게 결합된 텐션바(220)를 포함하여 구성될 수 있다.The tension control means 20 is configured to be connected to the tension control means 10 in the safety bar 40, coupler 210 coupled to the tension control means in the fixed frame 410 of the safety bar. And a tension bar 220 rotatably coupled to the other end of the coupler in the rotating frame 420 of the safety bar.
상기 텐션바(220)는 상기 안전바의 회동 프레임(420)이 체결된 상태에서 펼쳐지면 회동 프레임(420)의 회동 변위에 따라 상기 텐션바(220)가 회동하면서 장력 조절수단을 회동 프레임이 펼쳐지는 방향으로 잡아당기는 장력을 발생시키고, 상기 회동 프레임이 다시 체결되면 상기 장력 조절수단(10)에 발생된 장력이 제거되어 상기 장력 조절수단(10)은 장력이 없는 원 상태로 복구된다.When the tension bar 220 is unfolded in a state in which the pivot frame 420 of the safety bar is engaged, the tension bar 220 rotates according to the rotational displacement of the pivot frame 420 so that the tension frame is unfolded. In the direction of the tension is generated, and when the rotation frame is fastened again, the tension generated in the tension adjusting means 10 is removed and the tension adjusting means 10 is restored to its original state without tension.
도 5는 도 1의 발걸이대 제어 수단을 개략적으로 도시한 것이다.FIG. 5 schematically shows the foot rest control means of FIG. 1.
상기 발걸이대 제어수단(30)은 발걸이대 메인 축 외부에 형성된 제어프레임(310)과 상기 제어프레임을 관통하도록 형성되고 상기 장력 조절수단의 타단과 결합되는 홀더(321)를 구비하는 잠금레버(320)와 상기 제어 프레임 후단 사이에서 연결 고리(311)에 의해 결합된 탄성부재(330)를 포함하여 구성될 수 있다.The footrest control means 30 is a lock lever 320 having a control frame 310 formed outside the footrest main shaft and a holder 321 formed to penetrate the control frame and coupled with the other end of the tension control means. ) And an elastic member 330 coupled by a connecting ring 311 between the rear end of the control frame.
상기 잠금레버(320)는 상기 제어프레임(310)을 관통하도록 구성되고 관통된 하단에 상기 장력 조절수단이 체결되는 홀더(321)가 측면으로 돌출되도록 구성된다. The lock lever 320 is configured to penetrate the control frame 310 and the holder 321 to which the tension adjusting means is fastened to the lower end thereof is projected to the side.
상기 홀더(321)는 발걸이대 메인 축의 중앙부에 위치하므로 홀더에 잡아당겨지는 힘이 작용하면 상기 홀더가 잡아당겨지면서 발걸이대의 메인축이 회동하면서 발걸이대가 펼쳐지게 된다.Since the holder 321 is located at the center of the footrest main shaft, when the force applied to the holder is applied, the holder is pulled and the footrest is expanded while the main shaft of the footrest is rotated.
즉, 상기 홀더(321)에 체결된 장력 조절수단(10)은 장력 제어수단에 의해 잡아 당겨지는 장력이 발생하면 상기 홀더를 잡아당기는 힘을 제공하고 이에 따라 홀더(321)는 회동하는 힘이 발생하고 상기 탄성부재(330)가 탄성력을 제공하여 상기 발걸이대가 회동하면서 펼쳐지게 된다. That is, the tension adjusting means 10 coupled to the holder 321 provides a force to pull the holder when the tension is pulled by the tension control means and accordingly the holder 321 is a rotating force is generated And the elastic member 330 is provided to the elastic force is the foot rest unfolded while rotating.
이와 반대로 상기 장력 제어수단(20)에 의해 장력 조절수단(10)에 작용하던 장력이 제거되면 상기 홀더(321)를 잡아당기는 힘이 제거되고, 상기 홀더(321)는 원위치로 회동하고 탄성부재(330)의 복원력에 의해 펼쳐졌던 발걸이대가 닫히게 된다. On the contrary, when the tension acting on the tension adjusting means 10 by the tension control means 20 is removed, the force pulling the holder 321 is removed, and the holder 321 rotates to its original position and the elastic member ( The footrest that was unfolded by the restoring force of 330 is closed.
결국, 장력 제어수단(20)이 설치된 안전바의 동작에 따라 발걸이대가 연동되어 펼쳐지고 닫히게 된다.As a result, according to the operation of the safety bar, the tension control means 20 is installed, the footrest is linked to expand and close.
이하, 본 발명에 따른 휠체어 안전바와 연동된 발걸이대 자동 제어 장치의 동작에 대해 살펴보기로 한다.Hereinafter, the operation of the footrest automatic control device interlocked with the wheelchair safety bar according to the present invention.
도 6 및 도 7은 본 발명의 바람직한 실시예에 따른 안전바와 연동된 발걸이대의 동작을 개략적으로 도시한 것이다. 6 and 7 schematically show the operation of the footrest interlocked with the safety bar according to the preferred embodiment of the present invention.
먼저, 안전바(40)가 채워진 상태에서는 장력 제어수단(20)이 장력 조절수단와이어에 장력을 제공하지 않기 때문에 발걸이대 제어수단(30)의 홀더(321)에 아무런 힘이 작용하지 않으며 이 상태에서는 발걸이대가 닫힌 상태를 유지하게 된다.First, since the tension control means 20 does not provide tension to the tension adjusting means wire in the state where the safety bar 40 is filled, no force acts on the holder 321 of the foot rest control means 30 and this state The footrest will remain closed.
그러나, 탑승자가 휠체어에 탑승하기 위해 안전바(40)가 펼쳐지면 안전바의 회동 프레임(420)이 회동하면서 펼쳐지는 과정에서 회동 프레임 내부에 형성된 텐션바(220)가 회동하면서 신축되고 상기 회동 프레임이 펼쳐지는 방향으로 잡아당겨진다.However, when the safety bar 40 is unfolded to allow the occupant to ride in a wheelchair, the tension bar 220 formed inside the rotation frame is stretched and rotated while the rotation frame 420 of the safety bar is rotated to expand and rotate. It is pulled in the unfolding direction.
이에 따라 상기 텐션바(220)와 연결된 커플러(210) 역시 잡아당겨지고 커플러에 결합된 와이어에 잡아 당겨지는 장력이 발생하게 된다.Accordingly, the coupler 210 connected to the tension bar 220 is also pulled and a tension is drawn to the wire coupled to the coupler.
상기와 같이 와이어에 장력이 발생하면 상기 와이어 타단에 연결된 홀더(321) 역시 잡아당겨지는 힘이 제공되고 이에 따라 홀더(321)가 회동하는 힘에 따라 탄성부재(330)에 탄성력이 작용하면서 발걸이대가 펼쳐지게 된다.When tension occurs in the wire as described above, the holder 321 connected to the other end of the wire is also provided with a pulling force, and accordingly the elastic force acts on the elastic member 330 according to the rotation force of the holder 321, thereby providing a footrest. It will unfold.
따라서, 휠체어 탑승자가 휠체어에 탑승하거나 하차하려고 안전바를 펼치면 발걸이대도 함께 펼쳐지므로 탑승자가 승하차과정에서 발걸이대를 밞음으로 인한 낙상 안전사고를 미연에 방지할 수 있다.Therefore, when the wheelchair occupant unfolds the safety bar to get on or off the wheelchair, the footrest is also extended, thereby preventing a fall safety accident caused by the occupant taking off the footrest during the getting on and off process.
한편, 휠체어에 탑승자가 탑승하여 안전바(40)를 체결하면 상기 안전바의 회동 프레임(420)이 회동하면서 체결되는 과정에서 상기 회동 프레임 내부에 형성된 텐션바(220)가 원위치로 회동하면서 상기 텐션바(220)에 작용했던 인장력이 제거되고 이에 따라 와이어에 발생했던 장력이 제거되어 와이어 타단에 연결된 홀더(321)에 작용했던 힘도 제거되고 원위치로 복귀하면서 탄성부재의 복원력에 의해 펼쳐졌던 발걸이대가 닫히게 된다.On the other hand, when the occupant rides on the wheelchair to fasten the safety bar 40, the tension bar 220 formed inside the rotation frame is rotated to the original position in the process of the rotation frame 420 of the safety bar is rotated to the original position, the tension The tension force acting on the bar 220 is removed and thus the tension generated on the wire is removed, and thus the force acting on the holder 321 connected to the other end of the wire is also removed, and the foot rest that is unfolded by the restoring force of the elastic member is returned to its original position. It is closed.
따라서, 탑승자가 휠체어에 탑승하여 안전바(40)를 체결하게 되면 발걸이대도 함께 닫히게 되어 주행중에 탑승자가 발걸이대에 안전하게 발을 올려 놓을 수 있다.Therefore, when the occupant enters the wheelchair to fasten the safety bar 40, the footrest is also closed together so that the occupant can safely put the foot on the footrest while driving.
이상에서 설명한 본 발명의 상세한 설명에서는 본 발명의 바람직한 실시예를 참조하여 설명하였지만, 본 발명의 보호범위는 상기 실시예에 한정되는 것이 아니며, 해당 기술분야의 통상의 지식을 갖는 자라면 본 발명의 사상 및 기술영역으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 및 변경시킬 수 있음을 이해할 수 있을 것이다. Although the detailed description of the present invention described above has been described with reference to the preferred embodiment of the present invention, the scope of protection of the present invention is not limited to the above embodiment, and those skilled in the art will appreciate It will be understood that various modifications and changes can be made in the present invention without departing from the spirit and scope of the invention.
본 발명은 휠체어 안전바와 연동된 발걸이대 자동 제어 장치에 관한 것으로, 더욱 상세하게는 휠체어에 탑승한 탑승자가 휠체어 주행시 낙상사고가 발생하는 것을 방지하기 위한 안전바가 제거된 상태에서는 휠체어 승하차시 낙상 안전사고를 방지하기 위해 발걸이대가 펼쳐지고, 상기 안전바가 체결되면 자동으로 상기 발걸이대가 원위치로 복귀되어 주행중에는 탑승자가 발을 발걸이대에 올려놓을 수 있으므로 휠체어 승하차 과정에서 발생할 수 있는 발걸이대에 의한 낙상 안전사고를 방지할 수 있으므로 환자, 노약자 보호를 위한 복지 및 보건 산업에 매우 유용한 발명이다.The present invention relates to a footrest automatic control device interlocked with a wheelchair safety bar, and more particularly, the fall safety accident when getting on and off the wheelchair in a state in which the safety bar is removed to prevent the fall of the occupant in the wheelchair driving In order to prevent the footrest is unfolded, when the safety bar is fastened automatically the footrest is returned to its original position, while the driver can put the foot on the footrest while driving, fall safety accidents caused by footrests that can occur during wheelchair loading and unloading process The invention is very useful for the welfare and health industry for the protection of patients and the elderly.

Claims (6)

  1. 일단이 안전바와 연결되고 타단이 발걸이대에 연결된 장력 조절수단과;Tension adjusting means connected at one end to the safety bar and at the other end to the footrest;
    상기 장력 조절수단의 일단인 안전바 내부에 연결되어 상기 안전바의 개폐에 따라 상기 장력 조절수단의 장력을 제어하는 장력제어수단과;A tension control means connected to an inside of the safety bar which is one end of the tension adjusting means to control the tension of the tension adjusting means according to the opening and closing of the safety bar;
    상기 장력 조절수단의 타단인 발걸이대에 연결되어 상기 장력제어수단의 제어에 따라 발걸이대의 개폐를 제어하는 발걸이대 제어수단을 포함하여 안전바가 체결되면 발걸이대가 닫히고 안전바가 펼쳐지면 상기 발걸이대가 펼져지도록 동작하는 휠체어 안전바와 연동된 발걸이대 자동 제어 장치.A footrest control means connected to the footrest that is the other end of the tension control means to control the opening and closing of the footrest according to the control of the tension control means. Footrest automatic control device interlocked with a working wheelchair safety bar.
  2. 제 1항에 있어서,The method of claim 1,
    상기 장력 조절수단은 The tension adjusting means
    케이블로 구성되고, 상기 안전바가 펼쳐진 상태에서는 상기 장력 조절수단이 발걸이대 반대방향으로 잡아 당겨지는 장력이 발생하고, 상기 안전바가 체결되면 상기 발생된 장력이 제거되어 상기 발걸이대에 잡아 당겨지던 장력이 제거되도록 세팅되는 것을 특징으로 하는 휠체어 안전바와 연동된 발걸이대 자동 제어 장치.Composed of a cable, the tension bar is pulled in the opposite direction of the footrest in the state that the safety bar is unfolded, and when the safety bar is fastened the tension generated by removing the tension is pulled to the footrest Footrest automatic control device linked to the wheelchair safety bar, characterized in that set to be removed.
  3. 제 1항에 있어서,The method of claim 1,
    상기 장력제어수단은 The tension control means
    상기 안전바 내부에서 상기 장력 조절수단과 연결되어 구성되고, 안전바의 고정 프레임 내부에서 상기 장력 조절수단과 결합되는 커플러와;A coupler coupled to the tension adjusting means in the safety bar and coupled to the tension adjusting means in a fixing frame of the safety bar;
    안전바의 회동 프레임 내부에서 상기 커플러 타단과 회동가능하게 결합된 텐션바를 포함하는 것을 특징으로 하는 휠체어 안전바와 연동된 발걸이대 자동 제어 장치.Foot restraint automatic control device linked to the wheelchair safety bar, characterized in that it comprises a tension bar rotatably coupled with the other end of the coupler in the rotation frame of the safety bar.
  4. 제 3항에 있어서,The method of claim 3, wherein
    상기 텐션바는 The tension bar is
    상기 안전바의 회동 프레임이 체결된 상태에서 펼쳐지면 회동 프레임임의 회동 변위에 따라 상기 텐션바가 회동하면서 장력 조절수단을 회동 프레임이 펼쳐지는 방향으로 잡아당기는 장력을 발생시키고, 상기 회동 프레임이 다시 체결되면 상기 장력 조절수단에 발생된 장력이 제거되어 상기 장력 조절수단은 장력이 없는 원 상태로 복구되는 것을 특징으로 하는 휠체어 안전바와 연동된 발걸이대 자동 제어 장치. When the safety frame is unfolded when the rotation frame is engaged, the tension bar rotates according to the rotational displacement of the safety bar to generate tension to pull the tension adjusting means in the direction in which the rotation frame is unfolded, and when the rotation frame is re-engaged. Foot restraint automatic control device linked to the wheelchair safety bar, characterized in that the tension generated by the tension adjusting means is removed and the tension adjusting means is restored to its original state without tension.
  5. 제 1항에 있어서,The method of claim 1,
    상기 발걸이대 제어수단은 The foot rest control means
    발걸이대 메인 축 외부에 형성된 제어프레임과;A control frame formed outside the main shaft of the footrest stand;
    상기 제어프레임을 관동하도록 형성되고 상기 장력 조절수단의 타단과 결합되는 홀더를 구비하는 잠금레버와;A lock lever formed to operate the control frame and having a holder coupled to the other end of the tension adjusting means;
    상기 제어 프레임 후단에 연결된 탄성부재를 포함하는 것을 특징으로 하는 휠체어 안전바와 연동된 발걸이대 자동 제어 장치. Footrest automatic control device interlocked with the wheelchair safety bar, characterized in that it comprises an elastic member connected to the rear end of the control frame.
  6. 제 5항에 있어서,The method of claim 5,
    상기 잠금레버는 The lock lever is
    상기 제어프레임을 관통하도록 구성되고 관통된 하단에 상기 장력 조절수단이 체결되는 홀더가 측면으로 돌출되도록 구성되고; A holder configured to penetrate the control frame and to which the tension adjusting means is coupled to a lower end thereof protrudes laterally;
    상기 홀더에 체결된 장력 조절수단은 장력 제어수단에 의해 잡아 당겨지는 장력이 발생하면 상기 홀더를 잡아당기는 힘을 제공하고 이에 따라 홀더는 회동하는 힘이 발생하고 상기 탄성부재가 탄성력을 제공하여 상기 발걸이대가 회동하면서 펼쳐지고; The tension adjusting means fastened to the holder provides a pulling force of the holder when a tension is drawn by the tension control means, and thus the holder generates a rotational force and the elastic member provides an elastic force to the footrest. Unfolds as the table is rotated;
    이와 반대로 상기 장력 제어수단에 의해 장력 조절수단에 작용하던 장력이 제거되면 상기 홀더를 잡아당기는 힘이 제거되고, 상기 홀더는 원위치로 회동하고 탄성부재의 복원력에 의해 펼쳐졌던 발걸이대가 닫히도록 제어하는 것을 특징으로 하는 휠체어 안전바와 연동된 발걸이대 자동 제어 장치.On the contrary, when the tension acting on the tension adjusting means is removed by the tension control means, the pulling force of the holder is removed, and the holder rotates to its original position and controls to close the footrest that was unfolded by the restoring force of the elastic member. Footrest automatic control device interlocked with a wheelchair safety bar.
PCT/KR2019/010402 2018-08-17 2019-08-14 Automatic footrest control apparatus connected to wheelchair safety bar WO2020036453A1 (en)

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KR1020180095926A KR102174705B1 (en) 2018-08-17 2018-08-17 Automatic Control Device For Foot Rests
KR10-2018-0095926 2018-08-17

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KR102547973B1 (en) * 2021-04-08 2023-06-26 연세대학교 산학협력단 Hospital fall prevention wheelchair

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US20080001461A1 (en) * 2006-06-30 2008-01-03 Kouji Fujihara Manipulation device for wheelchair footrests
JP2008188146A (en) * 2007-02-02 2008-08-21 Yuichi Onishi Foot stand operating mechanism of wheelchair
JP2010017355A (en) * 2008-07-10 2010-01-28 Sumitomo Electric Ind Ltd Wheelchair and foot support unit
KR101681086B1 (en) * 2014-12-05 2016-12-01 유영배 Wheelchair Brake System
KR101803829B1 (en) * 2016-04-14 2018-01-10 유영배 Safty Device For Wheelchair

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US20080001461A1 (en) * 2006-06-30 2008-01-03 Kouji Fujihara Manipulation device for wheelchair footrests
JP2008188146A (en) * 2007-02-02 2008-08-21 Yuichi Onishi Foot stand operating mechanism of wheelchair
JP2010017355A (en) * 2008-07-10 2010-01-28 Sumitomo Electric Ind Ltd Wheelchair and foot support unit
KR101681086B1 (en) * 2014-12-05 2016-12-01 유영배 Wheelchair Brake System
KR101803829B1 (en) * 2016-04-14 2018-01-10 유영배 Safty Device For Wheelchair

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