JP2007037749A - Method/mechanism for footrest of wheelchair - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that a hand of a caregiver may be stained and create an unsanitary condition because a conventional wheelchair requires the caregiver to manually open/close its step whenever a user gets on and off, and that getting on/off the wheelchair involves risk when the user is carried by the caregiver and the user's clothes get in touch with it and it moves even if the wheelchair brake is put on. <P>SOLUTION: The wheelchair body is provided with a rotatable support that is combined with a footrest body having a footrest on its front surface and a footstep body having a footstep on its rear surface. The footrest body is to be fixed by a stopper provided on the wheelchair body. The stopper can be released by stepping the footstep, and the footrest is to be grounded when descending, which allows the caregiver to move the step up and down just with its foot without touching the step with its hand and to be hygienic on getting on/off. Moreover, stepping the grounded step by the caregiver prevents the wheelchair from moving and allows the user to safely getting on/off. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、車いすの足載せ台の操作の簡易化及び安全と衛生化を図った足載せ方法・機構に関する。   The present invention relates to a footrest method / mechanism for simplifying operation of a wheelchair footrest and for safety and hygiene.

従来の車いすの足載せ台は、支軸で開閉する足載せ台が一般的であるが、他の方法として足載せ台に支持体を設けて外側に開閉するものがある。（例えば、非特許文献１参照。）
また、容易に足載せ台の支持体を取り外せるものもある。（例えば、非特許文献２参照。） A conventional footrest for a wheelchair is generally a footrest that opens and closes by a support shaft, but there is another method in which a support is provided on the footrest to open and close the footrest. (For example, refer nonpatent literature 1.)
In some cases, the support for the footrest can be easily removed. (For example, refer nonpatent literature 2.)

以下、図５、図６、図７、図８、図９により従来の車いすの足載せ台について説明する。図５、図６において、５１は車いす本体に設けた支軸で足載せ台５２が外側に旋回開閉できるように支持されている。   Hereinafter, a conventional wheelchair footrest will be described with reference to FIGS. 5, 6, 7, 8, and 9. 5 and 6, reference numeral 51 denotes a support shaft provided in the wheelchair body so that the footrest 52 can be pivoted outwardly.

図７、図８においては、７１は車いす本体に設けた旋回支持体で、足載せ台７２の支持体７３が前記旋回支持体に嵌め合わせてあり、外側に旋回して開閉するように構成されている。
「車いす総合カタログ」、株式会社カワムラサイクル、Ｖｏｌ１１、ｐ，３１ In FIGS. 7 and 8, reference numeral 71 denotes a turning support provided on the wheelchair body, and the support 73 of the footrest 72 is fitted to the turning support, and is configured to open and close by turning outward. ing.
"Wheelchair General Catalog", Kawamura Cycle Co., Ltd., Vol11, p, 31

図９においては、９１は車いす本体に設けた支持体で、足載せ台９２の支持体９３が前記支持体に嵌め合わせてあり、車いす本体から容易に取り外せるように構成されている。
「ＭＩＫＩ車いす総合カタログ」、株式会社ミキ、０４０５、ｐ，２９ In FIG. 9, reference numeral 91 denotes a support provided on the wheelchair body, and a support 93 of the footrest 92 is fitted to the support so that it can be easily detached from the wheelchair body.
"MIKI Wheelchair General Catalog", Miki Co., Ltd., 0405, p, 29

以上に述べた従来の車いすの足載せ台においては、乗員の搭乗の前に介助者が足載せ台を開いたり、取り外しておかなければならず、乗員を座席に座らせると介助者が乗員の足を持ち上げて足載せ台を閉じたり、又は足載せ台を取り付けてから、乗員の足を足載せ台に置かなければならない等の煩雑な作業が必要とされた。又、介助者は足載せ台や乗員の足を直接手で触れるので安全衛生上からも問題を有していた。更に、介助者が乗員を抱えての車いすへの乗降時には、車いすが軽量である為に車いすのブレーキ固定を充分に効かしても、乗員の衣服が触れると車いすは逃げ移動して、乗員・介助者共に危険を伴った作業であった。   In the conventional wheelchair footrest described above, an assistant must open or remove the footrest before the occupant gets on board. When the occupant sits on the seat, the assistant A complicated work such as lifting the foot and closing the footrest or attaching the footrest to place the occupant's foot on the footrest is required. Further, since the assistant touches the footrest and the occupant's foot directly with his / her hand, there is a problem in terms of safety and hygiene. Furthermore, when getting on and off a wheelchair with an occupant, the wheelchair is lightweight, so even if the brakes on the wheelchair are fully applied, the wheelchair escapes when the garment of the occupant touches it. Both helpers were dangerous work.

本発明は、このような従来の構成が有していた問題を解決しようとするものであり、乗員にとって安全であり、介助者にとっては足載せ台に触れることなく簡便にしかも、安全で衛生的な車いすの足載せ装置を実現することを目的とするものである。   The present invention is intended to solve the problems of such a conventional configuration, and is safe for passengers, easy for a caregiver without touching a footrest, and safe and hygienic. The object is to realize a wheelchair footrest device.

そして、本発明は上記目的を達成するために乗員が座るシートと背もたれと肘掛けを配設する座席部と、左右に一対のキャスター車輪と大車輪とを備えた車いす本体に、回転軸を有する支持体を取り付け、車いす本体の前面に前記支持体の回転軸に結合した足載せ台を有する足載せ体と、車いす本体の後面に前記支持体の回転軸に結合した足踏み台を形成した足踏み体を配設し、前記足載せ体を車いす本体に取り付けた停止体で上昇時に固定し、下降時には足踏み台を踏むことで解除ができる構成としたものである。   In order to achieve the above object, the present invention provides a seat having a seat on which an occupant sits, a seat portion on which a backrest and an armrest are disposed, a wheelchair body provided with a pair of caster wheels and large wheels on the left and right, and a support having a rotating shaft. A footrest having a footrest that has a footrest attached to the front surface of the wheelchair body and coupled to the rotation shaft of the support, and a footrest that has a footrest that is coupled to the rotation shaft of the support on the rear surface of the wheelchair body. The footrest body is arranged to be fixed by a stop body attached to a wheelchair body when lifted, and can be released by stepping on a footrest when lowered.

また、第２の課題解決手段は、停止体を解除して足載せ体が下降した時足載せ台の底面
が地面に接地することを特徴とするものである。 Further, the second problem solving means is characterized in that the bottom surface of the footrest comes in contact with the ground when the stop body is released and the footrest is lowered.

上記第１の課題解決手段による作用は次の通りである。すなわち、乗員を車いすに搭乗させる時、介助者は後面の足踏み台を踏み込んで停止体を解除し、踏み込んだ足を持ち上げると足踏み体が上昇して、回転支持体に結合した足載せ体が下降し、足載せ台が地面に接地する。乗員を座席に座らせ介助者が車いす後面の足踏み台を踏み込めば、回転支持体に結合した足載せ体が上昇し、乗員の足を乗せた足載せ台が一定位置まで上昇する。
足載せ体が一定位置にまで上昇すると、停止体が自動的に作用して足載せ体を固定する。乗員を車いすに乗降させるこの一連の作用は、足載せ台は介助者の足踏み動作のみで乗降が完結され、介助者は足載せ台や乗員の足に触れないでよく、簡便・安全で衛生的に乗員を車いすから乗降させることができる。 The operation of the first problem solving means is as follows. In other words, when an occupant is boarded in a wheelchair, the assistant depresses the footrest on the rear side to release the stop body, and when the foot that is stepped on is lifted, the footstep body rises and the footrest body coupled to the rotating support body descends. The footrest comes in contact with the ground. When the occupant is seated on the seat and the assistant steps on the footrest on the rear side of the wheelchair, the footrest connected to the rotating support rises, and the footrest on which the occupant's feet are placed rises to a certain position.
When the footrest rises to a certain position, the stop body automatically acts to fix the footrest. This series of actions to get passengers on and off the wheelchair is simple, safe and hygienic because the footrest is completed by only the stepping motion of the assistant, and the assistant does not have to touch the footrest or the foot of the passenger. It is possible to get on and off passengers from wheelchairs.

また、第２の課題解決手段による作用は、足載せ台の底面が地面に接地することを特徴とする方法であるから、乗員を抱えて座席に乗せる又は降ろす時には、介助者は足載せ台を踏み付けることで、車いすがより強固に固定できるので安全に車いすの乗降ができるという効果を発揮する。   In addition, since the action of the second problem solving means is a method characterized in that the bottom surface of the footrest is in contact with the ground, when an occupant is put on or taken down from the seat, the assistant uses the footrest. By stepping on the wheelchair, the wheelchair can be fixed more firmly, so that it is possible to safely get on and off the wheelchair.

上述したように本発明の車いすの足載せ機構は、介助者が足踏み台を踏むだけで足載せ台を昇降し停止固定するから、従来の足載せ台の開閉や乗員の足を持ち上げ降ろす等の介助者の煩雑な手作業が一切不要とするとともに、併せて介助者の手の汚れを防止するので簡便で衛生的な車いすを提供できる。   As described above, the footrest mechanism of the wheelchair of the present invention raises and lowers the footrest by simply stepping on the footrest, so that the conventional footrest can be opened and closed or the occupant's foot can be lifted and lowered. It is possible to provide a simple and sanitary wheelchair because it does not require any complicated manual work by the assistant and also prevents the assistant from getting dirty.

また、足載せ台が地面に接地するので、接地した足載せ台を介助者が踏み付けることで、車いすの逃げ移動が防止でき、安心して車いすの乗降が安全にできるという効果を発揮するものである。   In addition, since the footrest comes in contact with the ground, the helper can step on the grounded footrest, so that the wheelchair can be prevented from moving away and the wheelchair can be safely put on and off. is there.

以下、本発明の実施の形態を図１〜図４に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to FIGS.

図においては、１は乗員が座るシートで、背もたれ２、肘掛３で構成する座席部と、車体フレーム４と左右一対のキャスター車輪５、大車輪６、及びブレーキ７によって車いす本体が形成され、車体フレーム４の中央付近に回転支持体８、また車体フレーム４の前部には停止支持体９が取り付けられている。   In the figure, reference numeral 1 denotes a seat on which an occupant sits, and a wheelchair body is formed by a seat portion comprising a backrest 2 and an armrest 3, a body frame 4, a pair of left and right caster wheels 5, a large wheel 6 and a brake 7. A rotation support 8 is attached near the center of the frame 4, and a stop support 9 is attached to the front of the vehicle body frame 4.

１０は足載せ体で前部に足載せ台１１と中央付近に停止ローラー１２を備え、前記回転支持体８の回転軸８Ａに結合されている。   Reference numeral 10 denotes a footrest, which includes a footrest 11 at the front and a stop roller 12 near the center, and is coupled to the rotation shaft 8A of the rotary support 8.

また、１３は足踏み体で後部に足踏み台１４を備え、前記回転支持体８の回転軸８Ｂに結合され、バネＡ１５で足載せ体１０と連結している。   Reference numeral 13 denotes a stepping body having a footrest 14 at the rear, coupled to the rotating shaft 8B of the rotating support 8, and connected to the footrest 10 by a spring A15.

１６は停止体で前記停止支持体９に軸止めし、同様に停止支持体９に軸止めした反動支持体１７とバネＢ１８で連結し、停止体９が前後に振れる時連動して反動支持体１７が作用して、停止体９をインターロックする構成としている。   Reference numeral 16 denotes a stop body which is fixed to the stop support body 9 and similarly connected to the reaction support body 17 which is fixed to the stop support body 9 by a spring B18. When the stop body 9 swings back and forth, the reaction support body is interlocked. 17 acts to interlock the stop body 9.

ここで停止体１６は後方に振れる時、前記足載せ体１０の停止ローラー１２を固定支持し、前方に振れれば停止ローラー１２を解除するように構成してある。   Here, when the stop body 16 swings backward, the stop roller 12 of the footrest body 10 is fixedly supported, and when the stop body 16 swings forward, the stop roller 12 is released.

１９は前記停止体１６の操作棒Ａで、他端を前記足踏み体１３に取り付け足踏み体１３を踏み込みバネＡ１５が伸びる時、停止体１６を前方に押す構成としてある。又、２０は
前記反動支持体１７の操作棒Ｂで、他端を前記足踏み体１３に取り付けてあり、足踏み体１３が持ち上がり足載せ台１４が接地する時、反動支持体１７を後方に引く構成としてある。 Reference numeral 19 denotes an operating rod A for the stop body 16, which has the other end attached to the stepping body 13 and presses down the stepping body 13 and pushes the stopping body 16 forward when the spring A15 extends. Reference numeral 20 denotes an operating rod B of the reaction support 17, the other end of which is attached to the stepping body 13, and when the stepping body 13 is lifted and the footrest 14 is grounded, the reaction support 17 is pulled backward. It is as.

以下、上記構成の動作を説明する。足載せ台１１を下降させるには、足載せ体１０の停止ローラー１２に停止体１６が支持状態で作用しロックされているから、足踏み台１４をバネＡ１５が伸びる程度にまで踏み込むと操作棒Ａ１９が停止体１６を前方に押し出して停止ローラー１２の支持状態から解除される。停止体１６が前方に振れるとバネＢ１８の作用で反動支持体１７が前方に移り解除状態がインターロックされる。この状態で足踏み台１４の踏み込み圧力を弱めると、バネＡ１５が復帰し次いで足載せ体１０が下降して、足載せ台１１が接地する。この時操作棒Ｂ２０で反動支持体１７を後方に引き、バネＢ１８の作用で停止体１６を後方に引く作用でインターロックしている。地面に接地した足載せ台１１を上昇させるには、足載せ台１４に乗った乗員の足の荷重以上の力で、足踏み台１４を踏み込むと足載せ台１１が上昇し、定位置にまで上昇すると停止ローラー１２にインターロック状態の停止体１６が固着する。   The operation of the above configuration will be described below. In order to lower the footrest 11, the stop body 16 acts on the stop roller 12 of the footrest 10 in a supported state and is locked. Therefore, when the footrest 14 is depressed to the extent that the spring A15 extends, the operation rod A19 is depressed. Then, the stop body 16 is pushed forward to release the support state of the stop roller 12. When the stop body 16 swings forward, the reaction support 17 is moved forward by the action of the spring B18 and the release state is interlocked. In this state, when the stepping pressure of the footrest 14 is reduced, the spring A15 is restored, the footrest body 10 is lowered, and the footrest 11 is grounded. At this time, the reaction support 17 is pulled backward by the operating rod B20, and the stop 16 is interlocked by pulling backward by the action of the spring B18. To raise the footrest 11 that is in contact with the ground, when the footrest 14 is depressed with a force greater than the load of the rider's foot on the footrest 14, the footrest 11 rises and rises to a fixed position. Then, the interlocking stop body 16 is fixed to the stop roller 12.

上述のように、足載せ台１１は足踏み台１４を介助者が足で踏むだけで、上昇の定位置で固定され、介助者が足踏み台１４を踏み込むだけで解除され、足載せ台１１が下降し地面に接地動作するので、介助者は乗員の乗降の都度手で足載せ台１１の開閉や、乗員の足を手で持ち上げる動作から開放され、手を汚すこともなく衛生的にしかも簡便に乗員を車いすから乗降させることができる。   As described above, the footrest 11 is fixed at a fixed position when the assistant steps on the footrest 14 and is released only by the assistant stepping on the footrest 14, and the footrest 11 is lowered. Since the grounding operation is performed on the ground, the assistant is released from opening and closing the footrest 11 and lifting the occupant's foot by hand each time the occupant gets on and off, and it is hygienic and simple without contaminating the hand. Crew can get on and off the wheelchair.

また、足載せ台１１は地面に接地するから、介助者は乗員が車いすから乗降時には、足載せ台１１を踏んで車いす本体を固定できるから、乗降時に車いすがずれて乗員を座席に乗せられない等の危険を避けられるという効果を発揮する。以上のように、本実施形態によれば介助者は足踏み台１４を踏み込むだけで簡便に且つ衛生的に足載せ台１１を昇降させられるものである。   Further, since the footrest 11 is in contact with the ground, the assistant can fix the wheelchair body by stepping on the footrest 11 when the occupant gets in and out of the wheelchair. Demonstrate the effect of avoiding such dangers. As described above, according to the present embodiment, the assistant can raise and lower the footrest 11 simply and hygienically by simply stepping on the footrest 14.

本発明の実施形態を示す車いすの足載せ台上昇固定状態の側断面図Side sectional view of a wheelchair footrest rising fixed state showing an embodiment of the present invention 同足載せ台固定解除の側断面図Side cross-sectional view of the footrest fixing release 同車いすの全方から見た外観図External view of the wheelchair from all sides 同足載せ台下降接地の側断面図Side sectional view of descending ground for the footrest 従来の車いすの足載せ台垂直開閉の正面図Front view of conventional wheelchair footrest vertical opening and closing 同足載せ台垂直開閉の側面図Side view of the vertical platform 同足載せ台水平開閉方法の側面図Side view of the same footrest horizontal opening and closing method 同足載せ台水平開閉方法の上面図Top view of horizontal foot opening / closing method 同足載せ台着脱方法の側面図Side view of how to attach and detach the footrest

符号の説明Explanation of symbols

１ 座席シート
２ 背もたれ
３ 肘掛け
４ 車体フレーム
５ キャスター車輪
６ 大車輪
７ ブレーキ
８ 回転支持体
８Ａ 軸Ａ
８Ｂ 軸Ｂ
９ 停止支持体
１０ 足載せ体
１１ 足載せ台
１２ 停止ローラー
１３ 足踏み体
１４ 足踏み台
１５ バネＡ
１６ 停止体
１７ 反動体
１８ バネＢ
１９ 操作棒Ａ
２０ 操作棒Ｂ DESCRIPTION OF SYMBOLS 1 Seat seat 2 Backrest 3 Armrest 4 Body frame 5 Caster wheel 6 Large wheel 7 Brake 8 Rotating support 8A Axis A
8B Axis B
9 Stop support 10 Foot rest 11 Foot rest 12 Stop roller 13 Foot rest 14 Foot rest 15 Spring A
16 Stopping body 17 Reaction body 18 Spring B
19 Operation stick A
20 Operation bar B

Claims (2)

乗員が座るシートと背もたれと肘掛を配設する座席部と、左右に一対のキャスター車輪と大車輪とを備えた車いす本体と、前記車いす本体に回転軸を有する支持体を設け、前記車いすの前面に前記支持体の回転軸に結合した足載せ台を形成した足載せ体と、前記車いすの後面に前記支持体の回転軸に結合した足踏み台を形成した足踏み体と、前記足載せ体を車いす本体に設けた停止体で固定・解除ができる構成にして、介助者が足踏み体を踏むことによって、足載せ体が上下動するようにした車いすの足載せ機構。   A seat for occupant seating, a seat portion on which a backrest and an armrest are arranged, a wheelchair body provided with a pair of caster wheels and a large wheel on the left and right, a support body having a rotation shaft on the wheelchair body, and a front surface of the wheelchair A footrest that forms a footrest coupled to the rotating shaft of the support, a footrest that forms a footrest coupled to the rotating shaft of the support on the rear surface of the wheelchair, and the wheelchair. A wheelchair footrest mechanism that can be fixed and released by a stop body provided on the main body so that the footrest body can be moved up and down when an assistant steps on the footstep body. 足載せ体が下降した時には、足載せ体に設けた足載せ台は地面に接地するようにした請求項１記載の車いすの足載せ方法。
The wheelchair footrest method according to claim 1, wherein when the footrest is lowered, the footrest provided on the footrest is in contact with the ground.

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