JP2013094616A - Floor panel device used for bed device, and drive control method of floor panel - Google Patents

Floor panel device used for bed device, and drive control method of floor panel Download PDF

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JP2013094616A
JP2013094616A JP2011243188A JP2011243188A JP2013094616A JP 2013094616 A JP2013094616 A JP 2013094616A JP 2011243188 A JP2011243188 A JP 2011243188A JP 2011243188 A JP2011243188 A JP 2011243188A JP 2013094616 A JP2013094616 A JP 2013094616A
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floor
leg
floor portion
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back floor
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JP5639987B2 (en
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Shiro Nagase
史朗 長瀬
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France Bed Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To return a back floor section and a first leg floor section raised at an optional angle to an initial state by simple control.SOLUTION: The device includes a controller which controls a first drive source for driving up and down the back floor section by operation of a remote controller and a second drive source for driving up and down the leg floor section up. The controller has a basic pattern for operating up and down the back floor section and leg floor section in interlocking with each other at a predetermined ratio, a first pattern for raising the back floor section to a rising limit angle from a state where the back floor section and leg floor section are raised at a middle angle, and a second pattern for lowering the leg floor section to a lowering limit angle from a state where the back floor section and leg floor section are raised. In the first pattern and the second pattern, the back floor section and leg floor section are driven in such a manner that the back floor section and leg floor section being shifted from the basic pattern are raised in interlocking with each other based on the predetermined ratio of the basic pattern, and the back floor section and leg floor section not being returned to the initial state of the basic pattern are then returned to the initial state.

Description

この発明は背床部と脚床部とが起伏駆動されるベッド装置に用いられる床板装置及び床板の駆動制御方法関する。   The present invention relates to a floor board device used in a bed apparatus in which a back floor portion and a leg floor portion are driven up and down, and a floor board drive control method.

一般に、ベッド装置はベッド本体を有し、このベッド本体には床板装置が設けられる。とくに、医療や介護用のベッド装置においては、上記床板装置の床板をフレームの長手方向中途部に固定床部を固定して設け、この固定床部の一端に背床部、他端に脚床部をそれぞれ起伏可能に連結し、上記背床部と脚床部をそれぞれ駆動源によって起伏駆動させることができるようにしたものが知られている。   Generally, a bed apparatus has a bed main body, and this bed main body is provided with a floor board apparatus. In particular, in the bed device for medical and nursing care, the floor plate of the floor plate device is provided with a fixed floor portion fixed in the middle in the longitudinal direction of the frame, the back floor portion at one end of the fixed floor portion, and the leg floor at the other end. It is known that the parts can be connected up and down so that the back floor part and the leg floor part can be driven up and down by a driving source.

上記構成のベッド装置においては、利用者が上記背床部を起上させ、上半身を起こして利用する場合、単に上記背床部だけを機構方向に駆動させたのでは、上記固定床部上に臀部を載置した利用者は上記背床部の上昇とともに身体が前方にずれ動くことになるということがある。   In the bed apparatus having the above configuration, when the user raises the back floor and raises the upper body, the user simply drives only the back floor in the direction of the mechanism. A user who has placed the buttocks may move forward as the back floor rises.

そこで、そのような場合には上記背床部を上昇方向に駆動するとともに、上記脚床部も上昇方向に駆動することで、利用者の身体が前方にずれ動くのを阻止しながら上半身を起こすようにしている。その場合、上記背床部と脚床部との起上角度の和が一定の角度以上となると、利用者の身体が屈曲され過ぎて圧迫感を与えることになるから、上記背床部と脚床部との起上角度の和が一定の角度以上とならないよう、背床部の起上角度が所定の角度、たとえば４５度に達し、それ以上に起上させる場合には、その起上に応じて脚床部を下降させるようにしている。   In such a case, the back floor is driven in the upward direction, and the leg floor is also driven in the upward direction, thereby raising the upper body while preventing the user's body from moving forward. I am doing so. In that case, if the sum of the rising angles of the back floor and the leg floor is equal to or greater than a certain angle, the user's body is bent too much and gives a feeling of pressure. When the rising angle of the back floor reaches a predetermined angle, for example 45 degrees, so that the sum of the rising angles with the floor does not exceed a certain angle, The leg floor is lowered accordingly.

同様に、起上した背床部を倒伏させる場合には、背床部を倒伏させる際、脚床部を起上させながら行い、上記背床部がたとえば４５度の角度まで倒伏したならば、上記背床部の倒伏に脚床部を連動させ、これら床部を水平に倒伏させることで、利用者の身体がずれ動くのを防止するようにしている。   Similarly, in the case where the raised back floor portion is to be laid down, when the back floor portion is to be laid down, the leg floor portion is raised, and if the back floor portion has been laid down to an angle of 45 degrees, for example, The leg floor is interlocked with the fall of the back floor, and the floor of the floor is horizontally suspended to prevent the user's body from shifting.

通常の床板装置においては、上述した背床部と脚床部の起伏駆動は、予め設定された基本パターンとして組み込まれている。つまり、背床部と脚床部が水平の倒伏した状態から背床部を所定の角度まで起立させること、及び背床部が所定の角度に起立した状態から倒伏させることは通常行われている。   In a normal floorboard apparatus, the above-described undulation driving of the back floor portion and the leg floor portion is incorporated as a preset basic pattern. That is, it is usually performed that the back floor and the leg floor are laid down from a horizontal lying state to a predetermined angle, and that the back floor is laid from a state where the back floor is raised at a predetermined angle. .

しかしながら、利用者がベッド装置を利用する場合、利用者は背床部を所定の角度以外の角度に変更し、さらに脚床部を所望する角度で起上させて利用するということがある。つまり、背床部と脚床部を基本パターンに対してずれた角度にして使用するということがある。   However, when the user uses the bed apparatus, the user may change the back floor portion to an angle other than a predetermined angle and further raise the leg floor portion at a desired angle for use. That is, the back floor portion and the leg floor portion may be used at an angle shifted from the basic pattern.

上記背床部と脚床部を基本パターンに対してずれた角度で使用している状態から、上記基本パターンによって背床部と脚床部を作動させる場合、背床部と脚床部の角度を基本パターンに合わせなければならないということがあった。   When operating the back floor and the leg floor with the basic pattern from the state where the back floor and the leg floor are used at an angle shifted from the basic pattern, the angle between the back floor and the leg floor is Had to be matched to the basic pattern.

しかしながら、そのような操作をしてから基本パターンに基いて背床部と脚床部を起伏駆動させるようにしたのでは、操作が複雑化するということがあるため、好ましくなかった。   However, it is not preferable that the back floor portion and the leg floor portion are driven up and down based on the basic pattern after such an operation because the operation may be complicated.

そこで、従来では上記背床部と脚床部が予め設定された基本パターンに対してずれた角度にある状態から、基本パターンに基いて駆動操作する際、まず、現在の背床部と脚床部の状態を把握し、その状態と上記基本パターンに基いて背床部と脚床部と起伏動作させた場合との状態を把握する。つまり、現在の背床部と脚床部の状態と、上記基本パターンに基いて背床部と脚床部と起伏動作させた場合の状態とを比較する。   Therefore, in the past, when the driving operation is performed based on the basic pattern from the state where the back floor portion and the leg floor portion are at an angle shifted with respect to the preset basic pattern, The state of the part is grasped, and the state when the back floor part and the leg floor part are raised and lowered based on the state and the basic pattern is grasped. That is, the current state of the back floor portion and the leg floor portion is compared with the state when the back floor portion and the leg floor portion are raised and lowered based on the basic pattern.

ついで、背床部と脚床部を現在の状態から、上記基本パターンに基く状態となるよう上記背床部と脚床部との状態を修正してから、上記基本パターンに基いて上記背床部と脚床部を起伏駆動させるようにしていた。   Next, after correcting the state of the back floor portion and the leg floor portion from the current state to the state based on the basic pattern, the back floor portion and the leg floor portion are corrected based on the basic pattern. The head and leg floors were driven up and down.

特許第３８１８５０２号公報Japanese Patent No. 3818502

上述したように、上記背床部と脚床部が予め設定された基本パターンに対してずれた角度にある状態から、基本パターンに基いて駆動操作する際、従来は背床部と脚床部を現在の状態から、上記基本パターンに基く状態となるよう上記背床部と脚床部との状態を修正してから、上記基本パターンに基いて上記背床部と脚床部を起伏駆動させるようにしていた。   As described above, when a driving operation is performed based on a basic pattern from a state in which the back floor portion and the leg floor portion are deviated from a preset basic pattern, the back floor portion and the leg floor portion are conventionally used. After correcting the state of the back floor part and the leg floor part from the current state so as to be based on the basic pattern, the back floor part and the leg floor part are driven to undulate based on the basic pattern. It was like that.

そのため、上記背床部と脚床部とを上記基本パターンに基いて起伏駆動させるためには現在の状態と基本パターンとを常に比較しながら駆動を制御しなければならないため、その制御が複雑化するということがあった。   Therefore, in order to drive the back floor and the leg floor based on the basic pattern, it is necessary to control the driving while always comparing the current state with the basic pattern, which complicates the control. There was something to do.

この発明は、背床部と脚床部との現在の状態が基本パターンからずれている場合、現在の状態と基本パターンとを比較することなく、背床部と脚床部とを所定の状態になるよう駆動制御することができるようにしたベッド装置に用いられる床板装置及び床板の駆動制御方法を提供することにある。   In the present invention, when the current state of the back floor part and the leg floor part deviates from the basic pattern, the back floor part and the leg floor part are in a predetermined state without comparing the current state with the basic pattern. Another object of the present invention is to provide a floor board device and a floor board drive control method used in a bed apparatus that can be driven and controlled.

この発明は、フレームに設けられた背床部と脚床部が起伏駆動されるベッド装置に用いられる床板装置であって、
操作部と、
この操作部の操作によって上記背床部を起伏駆動する第１の駆動源と上記脚床部を起伏駆動する第２の駆動源を制御する制御装置を具備し、
上記制御装置は、
上記背床部と脚床部とを所定の割合で連動させて起伏動作させる基本パターンと、
上記背床部と脚床部とが途中の角度に起上した状態から上記背床部を上昇限の角度まで起上させる第１のパターンと、
上記背床部と脚床部とが起上した状態から上記背床部を下降限の角度まで倒伏させる第２のパターンを有し、
上記第１のパターンと上記第２のパターンは、上記基本パターンからずれた状態にある上記背床部と脚床部とを、上記基本パターンの上記所定の割合に基いて連動させて起伏動作させた後、上記基本パターンの初期状態に戻っていない上記背床部と脚床部を初期状態に戻すよう駆動するようになっている
ことを特徴とするベッド装置に用いられる床板装置にある。 This invention is a floor board device used in a bed apparatus in which a back floor portion and a leg floor portion provided in a frame are driven up and down,
An operation unit;
A control device for controlling a first drive source for raising and lowering the back floor by operating the operation unit and a second drive source for raising and lowering the leg floor;
The control device
A basic pattern that causes the back floor and the leg floor to move up and down in a predetermined ratio;
A first pattern for raising the back floor portion from the state where the back floor portion and the leg floor portion are raised at an intermediate angle to a rising limit angle;
Having a second pattern that causes the back floor to fall from the state where the back floor and the leg floor are raised to the angle of the descent limit;
The first pattern and the second pattern cause the back floor portion and the leg floor portion, which are in a state shifted from the basic pattern, to move up and down in conjunction with each other based on the predetermined ratio of the basic pattern. In the floor board apparatus used for the bed apparatus, the back floor portion and the leg floor portion that have not returned to the initial state of the basic pattern are driven to return to the initial state.

この発明は、フレームに設けられた背床部と脚床部が起伏駆動されるベッド装置に用いられる床板装置であって、
操作部と、
この操作部の操作によって上記背床部を起伏駆動する第１の駆動源と上記脚床部を起伏駆動する第２の駆動源を制御する制御装置を具備し、
上記制御装置は、
上記背床部と脚床部とを所定の割合で連動させて起伏動作させる基本パターンと、
上記背床部と脚床部とが途中の角度に起上した状態から上記背床部を上昇限の角度まで起上させる第１のパターンと、
上記背床部と脚床部とが起上した状態から上記背床部を下降限の角度まで倒伏させる第２のパターンを有し、
上記第１のパターンは、上記背床部と脚床部の起上角度を判定し、上記背床部の角度が所定の角度以下のときには上記背床部と上記脚床部を起上方向に上記所定の割合で上記背床部が上記所定の角度となるまで連動させ、上記背床部が所定の角度に達したならば上記背床部を上昇限まで起上させながら上記脚床部を倒伏方向に駆動するようになっていて、
上記第２のパターンは、上記背床部と脚床部の起上角度を判定し、上記背床部が上記所定の角度以下のときには上記背床部と上記脚床部をどちらか一方が下降限となる角度まで上記所定の割合で倒伏方向に駆動した後、他方を下降限まで倒伏駆動し、上記背床部の角度が所定角度以上のときには上記背床部と上記脚床部を上記所定の割合で上記背床部が上記所定の角度となるまで倒伏方向に駆動しながら上記脚床部を起上方向に駆動した後、上記背床部と上記脚床部をこれらが下降限となる角度まで上記所定の割合で倒伏方向に駆動するようになっている
ことを特徴とするベッド装置に用いられる床板装置にある。 This invention is a floor board device used in a bed apparatus in which a back floor portion and a leg floor portion provided in a frame are driven up and down,
An operation unit;
A control device for controlling a first drive source for raising and lowering the back floor by operating the operation unit and a second drive source for raising and lowering the leg floor;
The control device
A basic pattern that causes the back floor and the leg floor to move up and down in a predetermined ratio;
A first pattern for raising the back floor portion from the state where the back floor portion and the leg floor portion are raised at an intermediate angle to a rising limit angle;
Having a second pattern that causes the back floor to fall from the state where the back floor and the leg floor are raised to the angle of the descent limit;
The first pattern determines a rising angle of the back floor portion and the leg floor portion, and when the angle of the back floor portion is equal to or smaller than a predetermined angle, the back floor portion and the leg floor portion are raised in the rising direction. The leg floor portion is interlocked until the back floor portion reaches the predetermined angle at the predetermined ratio, and when the back floor portion reaches the predetermined angle, the leg floor portion is raised while raising the back floor portion to the upper limit. Drive in the direction of lodging,
The second pattern determines a rising angle of the back floor portion and the leg floor portion, and when the back floor portion is equal to or less than the predetermined angle, one of the back floor portion and the leg floor portion is lowered. After driving in the inclining direction at the predetermined rate up to the limit angle, the other is driven down to the lower limit, and when the angle of the back floor part is equal to or greater than the predetermined angle, the back floor part and the leg floor part are After driving the leg floor part in the raising direction while driving in the inclining direction until the back floor part becomes the predetermined angle at the ratio, the back floor part and the leg floor part become the lower limit. The floor board apparatus used in the bed apparatus is characterized in that it is driven in the lying down direction at the predetermined rate up to an angle.

上記背床部と脚床部との起上角度の和が所定以上の角度となる排除領域が設定されていて、上記基本パターン、第１のパタンーン及び第２のパタンーンは上記排除領域を含まない作動領域で上記背床部と脚床部との起伏駆動が行われることが好ましい。   An exclusion region is set in which the sum of the rising angles of the back floor portion and the leg floor portion is equal to or greater than a predetermined angle, and the basic pattern, the first pattern, and the second pattern do not include the exclusion region. It is preferable that undulation driving of the back floor portion and the leg floor portion is performed in the operation region.

上記背床部と脚床部は上昇限と下降限が設定されていて、上記第１のパターンと第２のパターンは上昇限と下降限の範囲内で起伏駆動されることが好ましい。   It is preferable that the back floor and the leg floor have an ascending limit and a descending limit, and the first pattern and the second pattern are driven up and down within the range of the ascending limit and the descending limit.

この発明は、フレームに設けられた背床部と脚床部が起伏駆動されるベッド装置に用いられる床板の駆動制御方法であって、
上記背床部と脚床部とを所定の割合で連動させて起伏動作させる基本パターンと、
上記背床部と脚床部とが途中の角度に起上した状態から上記背床部を上昇限まで起上させる第１の動作パターンと、
上記背床部と脚床部とが起上した状態から上記背床部を下降限の角度まで倒伏させる第２の動作パターンとのいずれかによって上記背床部と脚床部を起伏駆動するようになっていて、
上記第１のパターンと上記第２のパターンは、上記基本パターンからずれた状態にある上記背床部と脚床部とを、上記基本パターンの上記所定の割合に基いて連動させて起伏動作させた後、上記基本パターンの初期状態に戻っていない上記背床部と脚床部を初期状態に戻すよう駆動する
ことを特徴とするベッド装置に用いられる床板の駆動制御方法にある。 This invention is a drive control method for a floor board used in a bed apparatus in which a back floor portion and a leg floor portion provided in a frame are driven up and down,
A basic pattern that causes the back floor and the leg floor to move up and down in a predetermined ratio;
A first operation pattern for raising the back floor to the upper limit from a state where the back floor and the leg floor are raised at an intermediate angle;
The back floor portion and the leg floor portion are driven to rise and fall according to any one of the second operation pattern in which the back floor portion is laid down from the state where the back floor portion and the leg floor portion are raised to the lower limit angle. And
The first pattern and the second pattern cause the back floor portion and the leg floor portion, which are in a state shifted from the basic pattern, to move up and down in conjunction with each other based on the predetermined ratio of the basic pattern. After that, the floor board drive control method used in the bed apparatus is characterized in that the back floor portion and the leg floor portion that have not returned to the initial state of the basic pattern are driven to return to the initial state.

この発明によれば、背床部と脚床部との現在の状態が基本パターンからずれている場合、上記背床部と脚床部を、所定の割合で連動させる上記基本パターンの動作に駆動した後、初期状態に戻っていない上記背床部と脚床部の少なくとも一方を初期状態に戻すよう駆動するようにした。   According to the present invention, when the current state of the back floor portion and the leg floor portion is deviated from the basic pattern, it is driven by the operation of the basic pattern that interlocks the back floor portion and the leg floor portion at a predetermined ratio. After that, at least one of the back floor portion and the leg floor portion that has not returned to the initial state is driven to return to the initial state.

そのため、上記背床部と脚床部の現在の状態と上記基本パターンに基く状態とを比較せずに、上記背床部と脚床部とを上記基本パターンの初期状態に戻すことができるから、上記背床部と脚床部との駆動制御を容易に行うことが可能となる。   Therefore, it is possible to return the back floor portion and the leg floor portion to the initial state of the basic pattern without comparing the current state of the back floor portion and the leg floor portion with the state based on the basic pattern. The drive control between the back floor and the leg floor can be easily performed.

（ａ）〜（ｄ）はこの発明の一実施の形態のベッド装置の背床部を水平に倒伏した状態から最大角度で起立させる第１の初期状態にするときの動きを順次示した図。(A)-(d) is the figure which showed sequentially the motion at the time of making it the 1st initial state which stands up at the maximum angle from the state which laid down the back floor part of the bed apparatus of one Embodiment of this invention horizontally. 図１に示す背床部と第１の脚床部の動きである第１の基本パターンを示す図。The figure which shows the 1st basic pattern which is a motion of the back floor part shown in FIG. 1, and a 1st leg floor part. （ａ）〜（ｄ）はベッド装置の背床部が最大角度で起立した状態から水平に倒伏させる第２の初期状態にするときの動きを順次示した図。(A)-(d) is the figure which showed sequentially the motion at the time of making it into the 2nd initial state to which it lies horizontally from the state which the back floor part of the bed apparatus stood at the maximum angle. 図２に示す背床部と第１の脚床部の動きである第２の基本パターンを示す図。The figure which shows the 2nd basic pattern which is a motion of the back floor part shown in FIG. 2, and a 1st leg floor part. 床板装置の駆動制御を示すブロック図。The block diagram which shows the drive control of a floor board apparatus. リモートコントローラを示す図。The figure which shows a remote controller. （ａ）〜（ｃ）は任意の角度で起立した背床部と第１の脚床部を第１の基本パターンの第１の初期状態に戻すときの動作を説明するための図。(A)-(c) is a figure for demonstrating operation | movement when returning the back floor part and 1st leg floor part which stood up at arbitrary angles to the 1st initial state of a 1st basic pattern. （ａ）〜（ｃ）は任意の角度で起立した背床部と第１の脚床部を第２の基本パターン第２の初期状態に戻すときの動作を説明するための図。(A)-(c) is a figure for demonstrating operation | movement when returning the back floor part and 1st leg floor part which stood up at arbitrary angles to the 2nd basic pattern 2nd initial state.

以下、この発明の一実施の形態を図面を参照しながら説明する。   An embodiment of the present invention will be described below with reference to the drawings.

図１（ａ）〜（ｄ）及び図３（ａ）〜（ｄ）ベッド装置１を示し、このベッド装置１はフレーム２を備えている。詳細は図示しないが、上記フレーム２は上記ベッド装置１の基体に水平に支持されている。   1A to 1D and FIGS. 3A to 3D show a bed apparatus 1, which includes a frame 2. Although not shown in detail, the frame 2 is supported horizontally on the base of the bed apparatus 1.

上記フレーム２には床板装置３が設けられている。この床板装置３は上記フレーム２の長手方向の中央部の上面に固定して設けられた固定床部４を有する。この固定床部４の一端には腰床部５と背床部６とが順次回動可能に連結されている。固定床部４の他端には第１の脚床部７と第２の脚床部８とが順次回動可能に連結されている。   The frame 2 is provided with a floor board device 3. This floor board device 3 has a fixed floor portion 4 fixedly provided on the upper surface of the central portion in the longitudinal direction of the frame 2. A waist floor 5 and a back floor 6 are connected to one end of the fixed floor 4 so as to be sequentially rotatable. A first leg floor portion 7 and a second leg floor portion 8 are connected to the other end of the fixed floor portion 4 so as to be sequentially rotatable.

上記フレーム２の下面の長手方向の中央部には駆動制御部１１が設けられている。この駆動制御部１１には図５に示すように制御装置１２が設けられている。この制御装置１２は第１の駆動源１３と第２の駆動源１４、つまり上記背床部６と第１の脚床部７を予め設定されたプログラムに基いて後述するように駆動制御するようになっている。   A drive control unit 11 is provided at the center of the lower surface of the frame 2 in the longitudinal direction. The drive control unit 11 is provided with a control device 12 as shown in FIG. The control device 12 controls the drive of the first drive source 13 and the second drive source 14, that is, the back floor portion 6 and the first leg floor portion 7 as described later based on a preset program. It has become.

図１に示すように、上記第１の駆動源１３の出力軸１３ａにはローラ１５ａを有する第１のアーム１５が連結され、この第１のアーム１５が上昇方向に駆動されると、上記背床部６が上記第１のアーム１５に連動して上昇するようになっている。   As shown in FIG. 1, a first arm 15 having a roller 15a is connected to the output shaft 13a of the first drive source 13, and when the first arm 15 is driven in the upward direction, The floor 6 is raised in conjunction with the first arm 15.

上記第２の駆動源１４の出力軸１４ａには先端にローラ１６ａを有する第２のアーム１６が連結され、この第２のアーム１６が上昇方向に駆動されると、上記第１の脚床部７が上記第２のアーム１６に連動して上昇するようになっている。   A second arm 16 having a roller 16a at the tip is connected to the output shaft 14a of the second drive source 14, and when the second arm 16 is driven in the upward direction, the first leg floor portion is moved. 7 rises in conjunction with the second arm 16.

上記第１のアーム１５と第２のアーム１６の回動角度、つまり上記背床部６と上記第１の脚床部７の回動角度は、たとえば上記第１、第２の駆動源１３，１３に設けられたエンコーダなどの第１の角度検出器１７と第２の角度検出器１８（図５に示す）によってそれぞれ検出されるようになっている。上記第１の角度検出器１７と第２の角度検出器１８によって検出された検出信号は上記制御装置１２に出力されるようになっている。   The rotation angles of the first arm 15 and the second arm 16, that is, the rotation angles of the back floor 6 and the first leg floor 7, are, for example, the first and second drive sources 13, 13 is detected by a first angle detector 17 and a second angle detector 18 (shown in FIG. 5) such as an encoder. Detection signals detected by the first angle detector 17 and the second angle detector 18 are output to the control device 12.

上記制御装置１２には操作部としてのリモートコントローラ１９が接続されている。このリモートコントローラ１９には、図６に示すように液晶表示部２１が設けられ、この液晶表示部２１の下方には入／切釦２２、設定釦２３、あたま上げ釦２４、同じく下げ釦２５、あし上げ釦２６、同じく下げ釦２７、たかさ上げ釦２８、同じく下げ釦２９が設けられている。上記入／切釦２２と設定釦２３以外の釦は押しているときにときにだけ動作する、いわゆるモーメンタリスイッチが用いられている。   A remote controller 19 as an operation unit is connected to the control device 12. The remote controller 19 is provided with a liquid crystal display unit 21 as shown in FIG. 6. Below the liquid crystal display unit 21, an on / off button 22, a setting button 23, an up button 24, and a down button 25 are provided. , An up button 26, a down button 27, a up button 28, and a down button 29 are provided. A so-called momentary switch that operates only when the buttons other than the on / off button 22 and the setting button 23 are pressed is used.

なお、操作部としてリモートコントローラ１９を例に上げて説明したが、リモートコントローラ１９に限られず、ベッド装置１のフレーム２やヘッドボード、フットボードなどに操作パネルや操作ボックスなど設けて操作部としてもよい。   The remote controller 19 has been described as an example of the operation unit. However, the operation unit is not limited to the remote controller 19, and an operation panel or operation box may be provided on the frame 2, the headboard, or the footboard of the bed apparatus 1. Good.

上記入／切釦２２の「入」を押した後、上記あたま上げ釦２４を押せば、第１の駆動源１３が作動して上記第１のアーム１５を上昇方向に回動させられるから、上記背床部６が上昇方向に駆動される。上記あたま下げ釦２５を押せば、第１の駆動源１３が作動して上記第１のアーム１５が下降方向に回動させられるから、上記背床部６が下降方向に駆動される。なお、上記腰床部５は上記背床部６の起伏動作に連動して起伏する。   If the on / off button 22 is pressed and then the warm-up button 24 is pressed, the first drive source 13 is actuated to rotate the first arm 15 in the upward direction. The back floor 6 is driven in the upward direction. When the warm-down button 25 is pressed, the first drive source 13 is activated to rotate the first arm 15 in the downward direction, so that the back floor 6 is driven in the downward direction. The waist floor 5 is raised and lowered in conjunction with the raising and lowering action of the back floor 6.

上記あし上げ釦２６を押せば、第２の駆動源１４が作動して上記第２のアーム１６が上昇方向に回動させられるから、上記第１の脚床部７が上昇方向に駆動される。上記あし下げ釦２７を押せば、第２の駆動源１４が作動して上記第２のアーム１６が下降方向に回動させられるから、上記第１の脚床部７が下降方向に駆動される。なお、上記第２の脚床部８は上記第１の脚床部７の起伏動作に連動して起伏するようになっていて、起伏したときにその位置で図示しない保持具によって保持されるようになっている。   When the toe-up button 26 is pressed, the second drive source 14 is actuated to rotate the second arm 16 in the upward direction, so that the first leg floor 7 is driven in the upward direction. . If the lowering button 27 is pressed, the second drive source 14 is activated and the second arm 16 is rotated in the downward direction, so that the first leg floor 7 is driven in the downward direction. . The second leg floor portion 8 is raised and lowered in conjunction with the raising and lowering operation of the first leg floor portion 7 and is held by a holding tool (not shown) at the position when the second leg floor portion 8 is raised and lowered. It has become.

上記第１の駆動源１３による上記背床部６の回動角度はたとえば０〜７３度に設定され、上記第２の駆動源１４による上記第１の脚床部７の回動角度はたとえば０〜４５度に設定されている。   The rotation angle of the back floor 6 by the first drive source 13 is set to, for example, 0 to 73 degrees, and the rotation angle of the first leg floor 7 by the second drive source 14 is, for example, 0. It is set to ~ 45 degrees.

上記たかさ上げ釦２８を押すと、図示しない上昇駆動機構が作動して上記フレーム２が上昇方向に駆動され、上記たかさ下げ釦２９を押すと、上記フレーム２が下降方向に駆動される。つまり、フレーム２の高さを設定できるようになっている。   When the raising button 28 is pressed, a raising drive mechanism (not shown) is activated to drive the frame 2 in the raising direction, and when the raising button 29 is pushed, the frame 2 is driven in the lowering direction. That is, the height of the frame 2 can be set.

上記設定釦２３を押すと、上記液晶表示部２１に「連動」の図形又は文字が表示される。「連動」の文字が表示された状態で上記あたま上げ釦２４或いはあたま下げ釦２５を押せば、上記背床部６と上記第１の脚床部７を連動動作させることができるようになっている。   When the setting button 23 is pressed, a “linked” graphic or character is displayed on the liquid crystal display unit 21. If the warm up button 24 or the warm down button 25 is pressed while the word “linked” is displayed, the back floor portion 6 and the first leg floor portion 7 can be interlocked. It has become.

図１（ａ）〜（ｄ）は上記背床部６と上記第１の脚床部７が水平に倒伏した状態から、上記背床部６を最大起上角度まで上昇する第１の初期状態に駆動するときの、上記背床部６と第１の脚床部７を連動動作させたときの動きを順次示している。図２はそのときの上記背床部６と第１の脚床部７動き、つまり第１の基本パターンＰの駆動線図を示している。   1 (a) to 1 (d) show a first initial state in which the back floor 6 and the first leg floor 7 are in a state of lying down horizontally, and the back floor 6 is raised to the maximum raising angle. The movements when the back floor portion 6 and the first leg floor portion 7 are operated in conjunction with each other are sequentially shown. FIG. 2 shows a movement diagram of the back floor portion 6 and the first leg floor portion 7 at that time, that is, a drive diagram of the first basic pattern P.

上記背床部６と上記第１の脚床部７が図１（ａ）に示すように水平に倒伏した状態でこれらを連動動作、つまり設定釦２３を押してあたま上げ釦２４を押すと、その駆動信号がリモートコントローラ１９から制御装置１２に出力され、この制御装置１２によって第１の駆動源１３と第２の駆動源１４が以下のように駆動される。   When the back floor portion 6 and the first leg floor portion 7 are horizontally lying down as shown in FIG. 1 (a), these are interlocked, that is, when the setting button 23 is pressed and the warm-up button 24 is pressed, The drive signal is output from the remote controller 19 to the control device 12, and the control device 12 drives the first drive source 13 and the second drive source 14 as follows.

まず、第１の駆動源１３は図１（ｂ）に示すように背床部６を所定の角度、この実施の形態では４５の角度になるまで上昇方向に駆動し、上記第２の駆動源１４は上記第１の脚床部７を上記背床部６の上昇速度に応じて所定の割合で上昇させる。   First, as shown in FIG. 1B, the first drive source 13 drives the back floor 6 in the upward direction until it reaches a predetermined angle, that is, 45 in this embodiment. 14 raises the first leg floor 7 at a predetermined rate in accordance with the rising speed of the back floor 6.

つまり、上記第１の基本パターンＰの上昇方向の傾斜角度に応じた単位時間当たりの駆動速度で上記背床部６と上記第１の脚床部７を上昇方向に駆動する。   That is, the back floor portion 6 and the first leg floor portion 7 are driven in the upward direction at a driving speed per unit time according to the inclination angle of the first basic pattern P in the upward direction.

それによって、上記背床部６の起上角度と、脚床部７の起上角度の和が所定の角度以下に維持されながら上昇する。つまり、上記背床部６と脚床部７の上昇角度の和が大きくなり過ぎて、利用者の腹部が圧迫されることのないよう、上記背床部６と脚床部７の起上角度の和が所定の角度以上にならないよう保たれる。
このときの状態は図２のＳ１からＳ２に示す。 Accordingly, the sum of the rising angle of the back floor 6 and the rising angle of the leg floor 7 is raised while being maintained below a predetermined angle. That is, the rising angle of the back floor 6 and the leg floor 7 so that the sum of the rising angles of the back floor 6 and the leg floor 7 does not become too large and the user's abdomen is compressed. Is kept from exceeding a predetermined angle.
The state at this time is shown in S1 to S2 of FIG.

Ｓ２で、上記背床部６の上昇角度が４５度に達すると、図１（ｃ）に示すように上記背床部６はさらに上昇方向に駆動され、上記第１の脚床部７は下降方向に駆動されることになる。このときも、上記背床部６と脚床部７の起上角度の和が所定の角度以上にならないよう保たれる。   When the rising angle of the back floor 6 reaches 45 degrees in S2, the back floor 6 is further driven in the upward direction as shown in FIG. 1 (c), and the first leg floor 7 is lowered. Will be driven in the direction. Also at this time, the sum of the rising angles of the back floor 6 and the leg floor 7 is kept so as not to exceed a predetermined angle.

図１（ｂ）から図１（ｃ）に示す上記背床部６の上昇方向の動きと第１の脚床部７の下降方向の動きは図２のＳ２からＳ３に示す。   The upward movement of the back floor 6 and the downward movement of the first leg floor 7 shown in FIGS. 1 (b) to 1 (c) are shown in S2 to S3 of FIG.

その後、上記背床部６は図１（ｄ）に示すようにさらに上昇方向に駆動され、図２にＳ４で示す時点では最大上昇角度である７３度に上昇する。この間、上記第１の脚床部７は水平に倒伏するまで下降方向に駆動されることになる。
このときの背床部６の上昇方向の動きと第１の脚床部７の下降方向の動きは図２の第１の基本パターンＰの駆動線図のＳ３からＳ４に示す。 Thereafter, the back floor 6 is further driven in the upward direction as shown in FIG. 1 (d), and ascends to 73 degrees which is the maximum upward angle at the time indicated by S4 in FIG. During this time, the first leg floor 7 is driven in the downward direction until it falls horizontally.
The upward movement of the back floor 6 and the downward movement of the first leg floor 7 at this time are shown in S3 to S4 in the drive diagram of the first basic pattern P in FIG.

図２のＳ２からＳ４に沿って上記背床部６を上昇させながら、上記第１の脚床部７を下降させる際、上記第１の脚床部７と上記背床部６は、第１の脚床部７の単位時間当たりの上昇速度に対して背床部６の下降速度が所定の割合となるよう駆動される。つまり、図２に示すように予め設定された第１の基本パターンＰの駆動線図の下降方向の傾斜角度に基いて上記背床部６と上記第１の脚床部７が所定の割合、つまり上記背床部６の起上角度と、第１の脚床部７の起上角度の単位時間の当りの回動角度が所定の割合となるよう駆動される。   When lowering the first leg floor 7 while raising the back floor 6 along S2 to S4 in FIG. 2, the first leg floor 7 and the back floor 6 The descending speed of the back floor 6 is driven at a predetermined ratio with respect to the ascending speed of the leg floor 7 per unit time. That is, as shown in FIG. 2, the back floor 6 and the first leg floor 7 have a predetermined ratio based on the inclination angle in the descending direction of the drive diagram of the first basic pattern P set in advance, That is, it is driven so that the rotation angle per unit time of the rising angle of the back floor 6 and the rising angle of the first leg floor 7 becomes a predetermined ratio.

このように、背床部６が水平に倒伏した状態から、第１の初期状態である、最大角度の７３度に起上させるとき、背床部６を単に起上させるだけでなく、背床部６の起上角度に応じて第１の脚床部７を所定の割合で起上或いは倒伏させるようにしたことで、床板装置３上に仰臥した利用者の身体が前後方向にずれ動かされることなく、上記背床部６を水平に倒伏した状態から、第１の初期状態である起上させた状態とすることができる。   Thus, when raising the back floor 6 from the horizontally lying state to the first initial state of 73 degrees, which is the maximum angle, the back floor 6 is not only raised, Since the first leg floor 7 is raised or laid down at a predetermined rate according to the raising angle of the part 6, the body of the user who is supine on the floor board device 3 is displaced in the front-rear direction. Instead, the back floor portion 6 can be changed from a horizontally lying state to a raised state which is the first initial state.

なお、図２から分かるように、第１の基本パターンＰの駆動線図の上昇方向と下降方向の傾斜角度は異なるよう設定されている。つまり、背床部６が４５度となる起立角度を境にして背床部６と第１の脚床部７との単位時間の当りの駆動速度が異なるよう設定されている。   As can be seen from FIG. 2, the tilt angles in the ascending direction and the descending direction of the drive diagram of the first basic pattern P are set to be different. That is, the driving speed per unit time of the back floor portion 6 and the first leg floor portion 7 is set to be different from each other at the standing angle at which the back floor portion 6 is 45 degrees.

一方、図３（ａ）〜（ｄ）は背床部６が最大角度に起立した状態から、上記背床部６を水平に倒伏させて第２の初期状態に戻す状態を順次示し、図４はそのときの第２の基本パターンＰの駆動線図を示している。   On the other hand, FIGS. 3A to 3D sequentially show a state in which the back floor 6 is laid down at the maximum angle, and the back floor 6 is horizontally laid down to return to the second initial state. Shows a drive diagram of the second basic pattern P at that time.

図３（ａ）は背床部６が最大角度である７３度の角度で起立した状態を示し、この状態は図４のＳ１に示す。図３（ｂ）は背床部６を倒伏方向に駆動しながら、第１の脚床部７を、上記背床部６の倒伏方向の駆動に対して所定の割合で起立方向に駆動している状態を示す。そして、この駆動状態は図４にＳ２で示すように上記背床部６が４５度の角度になるまで継続される。   FIG. 3A shows a state in which the back floor 6 stands up at an angle of 73 degrees, which is the maximum angle, and this state is shown in S1 of FIG. FIG. 3B shows that the first leg floor 7 is driven in the standing direction at a predetermined ratio with respect to the driving of the back floor 6 in the lying down direction while driving the back floor 6 in the lying down direction. Indicates the state. This driving state is continued until the back floor 6 is at an angle of 45 degrees as indicated by S2 in FIG.

上記背床部６が所定の角度である、４５度の角度まで倒伏させられると、図３（ｃ）に示す状態、つまり図４にＳ３で示す状態を経て上記背床部６はさらに下降方向に駆動さるとともに、第１の脚床部７も下降方向に駆動される。   When the back floor 6 is tilted down to a predetermined angle of 45 degrees, the back floor 6 further descends through the state shown in FIG. 3C, that is, the state indicated by S3 in FIG. And the first leg floor 7 is also driven in the downward direction.

このとき、上記背床部６と上記第１の脚床部７は図４に示す第２の基本パターンＰのＳ２からＳ３で示す傾斜角度に沿って下降方向に所定の割合で駆動される。   At this time, the back floor portion 6 and the first leg floor portion 7 are driven at a predetermined rate in the downward direction along the inclination angles indicated by S2 to S3 of the second basic pattern P shown in FIG.

上記背床部６と上記第１の脚床部７は、図３（ｃ）から図３（ｄ）に示すようにさらに所定の割合で下降方向に駆動される。この状態は図４のＳ３からＳ４に示す。それによって、上記背床部６と第１の脚床部７は水平に倒伏することになる。つまり、第２の初期状態に戻されることになる。   The back floor 6 and the first leg floor 7 are further driven in the downward direction at a predetermined rate as shown in FIGS. 3 (c) to 3 (d). This state is shown in S3 to S4 in FIG. As a result, the back floor 6 and the first leg floor 7 lie down horizontally. That is, the state is returned to the second initial state.

このように、背床部６は最大角度で起上した状態から、第２の初期状態である、水平に倒伏させるときにも、背床部６を単に倒伏させるだけでなく、背床部６の倒伏角度に応じて第１の脚床部７を起上或いは倒伏させるようにしたことで、床板装置３上に仰臥した利用者の身体が前後方向にずれ動かされることなく、上記背床部６を水平に倒伏させることができる。   As described above, when the back floor portion 6 rises at the maximum angle and falls horizontally in the second initial state, the back floor portion 6 does not simply fall down, but the back floor portion 6 Since the first leg floor 7 is raised or lowered according to the lying angle, the body of the user who is lying on the floor board device 3 is not displaced in the front-rear direction, and the back floor is moved. 6 can be lying down horizontally.

図２と図４において、ゾーンＡは背床部６の起上角度が所定の角度である、４５度以下の範囲を示し、ゾーンＢは４５度以上の範囲を示している。ゾーンＣは背床部６の起上角度が４５度以上の範囲であって、しかも背床部６の起上角度に対して第１の脚部７の起上角度が所定の角度以上となる範囲、つまり背床部６と第１の脚部７の起立角度の和が利用者の腹部を圧迫することになる角度以上となる範囲である、排除領域を示している。ゾーンＢとゾーンＣの境界線をＦで示す。   2 and 4, zone A shows a range of 45 degrees or less where the raising angle of the back floor 6 is a predetermined angle, and zone B shows a range of 45 degrees or more. In zone C, the rising angle of the back floor 6 is in a range of 45 degrees or more, and the rising angle of the first leg 7 is equal to or more than a predetermined angle with respect to the rising angle of the back floor 6. The exclusion area | region which is the range which is the range which the sum of the standing angle of the back floor part 6 and the 1st leg part 7 becomes more than the angle which presses a user's abdomen is shown is shown. A boundary line between zone B and zone C is indicated by F.

そして、上記制御装置１２は、上記背床部６と第１の脚床部７を手動或いは自動で起伏作動させたとき、上記背床部６と第１の脚床部７との起立角度の和が上記ゾーンＣの範囲内にならず、しかも背床部６の上昇角度が７３度で、第１の脚床部７の上昇角度が４５度以下の範囲で上記背床部６と第１の脚床部７の駆動されるようになっている。つまり、背床部６と第１の脚床部７の駆動範囲が利用者に不快感を与えることのない範囲に設定されている。   And when the said control apparatus 12 raises the said back floor part 6 and the 1st leg floor part 7 manually or automatically, the standing angle of the said back floor part 6 and the 1st leg floor part 7 is adjusted. When the sum does not fall within the range of the zone C, and the rising angle of the back floor 6 is 73 degrees and the rising angle of the first leg floor 7 is 45 degrees or less, The leg floor 7 is driven. In other words, the driving range of the back floor 6 and the first leg floor 7 is set to a range that does not give the user unpleasant feeling.

さらに、上記背床部６と第１の脚床部７は０〜最大上昇角度の範囲外では駆動させることができないようになっている。   Furthermore, the back floor 6 and the first leg floor 7 cannot be driven outside the range of 0 to the maximum ascending angle.

図２と図に示す第１の基本パターンＰと第２の基本パターンＰとの駆動線図の形状は同じであるが、背床部６を図１（ｄ）に示す第１の初期状態に戻すときと、図３（ｄ）に示す第２の初期状態に戻すときとでは逆方向に動作させるという点で相違している。   The driving basic diagrams P1 and P2 of the first basic pattern P and the second basic pattern P shown in FIGS. 2 and 2 have the same shape, but the back floor portion 6 is in the first initial state shown in FIG. The time of returning is different from the time of returning to the second initial state shown in FIG.

上記背床部６と第１の脚床部７は、第１、第２の基本パターンＰに基いて駆動されるだけでなく、上記背床部６や第１の脚床部７を第１、第２の基本パターンＰの駆動線図から外れた任意の角度に変更して使用されることがある。   The back floor portion 6 and the first leg floor portion 7 are not only driven based on the first and second basic patterns P, but also the back floor portion 6 and the first leg floor portion 7 are connected to the first floor floor portion 6 and the first leg floor portion 7. , The angle may be changed to an arbitrary angle deviating from the drive diagram of the second basic pattern P.

上記背床部６や第１の脚床部７を任意の角度に変更して使用した状態から、上記背床部６を最大角度に起立した上記第１の基本パターンＰの第１の初期状態に戻したい場合や、上記背床部６を水平に倒伏させる上記第２の基本パターンＰの第２の初期状態に戻したい場合がある。その場合も、仰臥した利用者の身体がずれ動かないよう上記背床部６と第１の脚床部７を駆動することが要求される。   A first initial state of the first basic pattern P in which the back floor portion 6 is erected at a maximum angle from a state in which the back floor portion 6 and the first leg floor portion 7 are changed to an arbitrary angle and used. There is a case where the user wants to return to the second initial state of the second basic pattern P in which the back floor portion 6 is horizontally laid down. Also in this case, it is required to drive the back floor portion 6 and the first leg floor portion 7 so that the body of the user who is supine does not move.

第１の初期状態に戻したい場合には、上記リモートコントローラ１９の設定釦２３を押してから、あたま上げ釦２４を押すことで動作させることができる。第２の初期状態に戻したい場合には、上記リモートコントローラ１９の設定釦２３を押してから、あたま下げ釦２５を押すことで動作させることができる。   In order to return to the first initial state, the operation can be performed by pressing the setting button 23 of the remote controller 19 and then pressing the warm-up button 24. When it is desired to return to the second initial state, the operation can be performed by pressing the setting button 23 of the remote controller 19 and then pressing the warm-down button 25.

上記あたま上げ釦２４やあたま下げ釦２５は、上述したように押しているときにのみ動作する構造のスイッチが用いられている。したがって、上記背床部６と第１の脚床部７を第１の初期状態や第２の初期状態に戻す連動操作の途中で、上記あたま上げ釦２４やあたま下げ釦２５の押圧操作を解除すれば、上記背床部６と第１の脚床部７をその時点の状態で停止させることができる。   As the above-described warm-up button 24 and warm-down button 25, switches having a structure that operates only when pressed are used as described above. Accordingly, during the interlocking operation for returning the back floor 6 and the first leg floor 7 to the first initial state or the second initial state, the pressing operation of the warm-up button 24 or the warm-down button 25 is performed. If it cancels | releases, the said back floor part 6 and the 1st leg floor part 7 can be stopped in the state at the time.

つまり、上記背床部６と第１の脚床部７を、第１の初期状態や第２の初期状態に戻す途中の角度で使用することができる。   That is, the back floor 6 and the first leg floor 7 can be used at an angle in the middle of returning to the first initial state or the second initial state.

図７（ａ）〜（ｃ）は、上記背床部６や第１の脚床部７を任意の角度に変更して使用した状態から、それぞれ上記背床部６と第１の脚床部７を上記基本パターンＰの第１の初期状態、つまり背床部６を最大角度で起立させ、第１の脚床部７を水平に倒伏させるための、第１のパターンＰ１を示している。   7 (a) to 7 (c) show the back floor 6 and the first leg floor 7 from the state where the back floor 6 and the first leg floor 7 are changed to an arbitrary angle. 7 shows the first initial state of the basic pattern P, that is, the first pattern P1 for standing the back floor 6 at the maximum angle and lying down the first leg floor 7 horizontally.

図７（ａ）は同図にＳ１示すように背床部６と第１の脚床部７がともに４５度以下の角度で起立した状態から、背床部６を最大起立角度に上昇させ、背床部６を水平に倒伏させる、第１のパターンＰ１を示している。   FIG. 7 (a) shows that the back floor portion 6 and the first leg floor portion 7 are both raised at an angle of 45 degrees or less as shown in S1 in FIG. The 1st pattern P1 which makes the back floor part 6 fall down horizontally is shown.

上述したように上記リモートコントローラ１９を操作すると、背床部６と第１の脚床部７とは、図７（ａ）に破線で示す基本パターンＰの駆動線図の上昇方向の傾き角度に倣う所定の割合でＳ２に示す状態までともに上昇方向に駆動される。   When the remote controller 19 is operated as described above, the back floor portion 6 and the first leg floor portion 7 are inclined at an inclination angle in the upward direction of the driving pattern of the basic pattern P indicated by a broken line in FIG. Both are driven in the upward direction up to the state shown in S2 at a predetermined rate of copying.

つまり、傾き角度に倣う所定の割合とは、基本パターンＰの駆動線図の上昇方向或いは傾斜方向の傾き角度によって、背床部６と第１の脚床部７との単位時間当たりの傾斜角度の変化量が設定されるから、その変化量に応じた割合で上記背床部６と第１の脚床部７が駆動されることである。   That is, the predetermined ratio following the inclination angle is the inclination angle per unit time between the back floor portion 6 and the first leg floor portion 7 depending on the inclination angle in the ascending direction or the inclination direction of the driving diagram of the basic pattern P. That is, the back floor portion 6 and the first leg floor portion 7 are driven at a rate corresponding to the amount of change.

Ｓ２の状態となることで、上記背床部６の上昇角度が４５度であることが第１の角度検出器１７によって検出されると、背床部６と第１の脚床部７は基本パターンＰの駆動線図の下降方向の傾斜角度に倣って所定の割合で駆動される。つまり、背床部６は上昇方向に駆動され、第１の脚床部７は下降方向に駆動される。   When the first angle detector 17 detects that the rising angle of the back floor 6 is 45 degrees in the state of S2, the back floor 6 and the first leg floor 7 are basically The pattern P is driven at a predetermined rate following the inclination angle in the descending direction of the drive diagram. That is, the back floor portion 6 is driven in the upward direction, and the first leg floor portion 7 is driven in the downward direction.

上記背床部６と第１の脚床部７の下降線が図７（ａ）にＳ３で示す位置で排除領域であるゾーンＣに当たると、上記背床部６と第１の脚床部７は上記所定の割合による下降方向の駆動から、上記ゾーンＣ内に進入しない状態である、上記ゾーンＣの境界線Ｆに沿って下降方向に駆動される。つまり、背床部６は上昇方向に駆動され、第１の脚床部７は下降方向に駆動される。   When the descending line of the back floor portion 6 and the first leg floor portion 7 hits the zone C which is the exclusion region at the position indicated by S3 in FIG. 7A, the back floor portion 6 and the first leg floor portion 7 are. Is driven in the downward direction along the boundary line F of the zone C, which is in a state of not entering the zone C, from the downward driving at the predetermined ratio. That is, the back floor portion 6 is driven in the upward direction, and the first leg floor portion 7 is driven in the downward direction.

それによって、図７（ａ）にＳ４で示すように上記背床部６が最大角度に起立させられ、上記第１の脚床部７が水平に倒伏させられた第１の初期状態に戻されることになる。このことは、上記第１の角度検出器１７と第２の角度検出器１８が検出する上記背床部６の角度が最大角度で、第１の脚床部７の角度が０度となったことによって判定される。   As a result, as shown by S4 in FIG. 7A, the back floor 6 is raised to the maximum angle, and the first leg floor 7 is returned to the first initial state where it is horizontally laid down. It will be. This is because the angle of the back floor 6 detected by the first angle detector 17 and the second angle detector 18 is the maximum angle, and the angle of the first leg floor 7 is 0 degree. It is judged by.

図７（ｂ）は同図にＳ１で示すように背床部６が倒伏しており、第１の脚床部７が所定の角度で起立した状態にある。この状態から、第１の初期状態に戻すには、まず、背床部６と第１の脚床部７が基本パターンＰの駆動線図の上昇方向の傾斜角度に倣う所定の割合で上昇方向に駆動される。   In FIG. 7B, the back floor 6 is lying down as shown by S1 in the same figure, and the first leg floor 7 is standing at a predetermined angle. In order to return from this state to the first initial state, first, the back floor portion 6 and the first leg floor portion 7 are moved upward at a predetermined rate following the inclination angle of the driving pattern of the basic pattern P in the upward direction. Driven by.

同図にＳ２で示すように上記第１の脚床部７の上昇角度が最大限に到達すると、上記第１の脚床部７の上昇方向への駆動が停止させられた状態で、上記背床部６だけが上昇方向に駆動される。   When the rising angle of the first leg floor portion 7 reaches the maximum as shown by S2 in the same figure, the back movement of the first leg floor portion 7 is stopped in a state where the driving in the rising direction is stopped. Only the floor 6 is driven in the upward direction.

上記背床部６の上昇角度が図７（ｂ）にＳ３で示す４５度に到達すると、このＳ３の状態は排除領域であるゾーンＣとの境界位置になるから、上記背床部６と第１の脚床部７は基本パターンＰの駆動線図の下降方向の傾斜角度に倣う所定の割合で起上方向と下降方向に駆動されず、ゾーンＣの境界線Ｆに沿って駆動されることになる。つまり、上記背床部６が起上方向に駆動されながら、上記第１の脚床部７が下降方向に駆動される。   When the rising angle of the back floor 6 reaches 45 degrees indicated by S3 in FIG. 7 (b), the state of S3 becomes a boundary position with the zone C which is an exclusion region. One leg floor portion 7 is not driven in the raising and lowering directions at a predetermined ratio following the inclination angle in the lowering direction of the driving diagram of the basic pattern P, but is driven along the boundary line F of the zone C. become. That is, the first leg floor 7 is driven in the descending direction while the back floor 6 is driven in the raising direction.

そして、同図にＳ４で示す位置まで駆動されることで、上記背床部６が最大限である７３度の角度で起上し、上記第１の脚床部７が水平に倒伏した第１の初期状態に戻されることになる。   And by driving to the position shown by S4 in the same figure, the said back floor part 6 stood up at the angle of 73 degrees which is the maximum, and the said 1st leg floor part 7 fell down horizontally. It will be returned to the initial state.

図７（ｃ）は、同図にＳ１で示すように第１の脚床部７が水平に倒伏し、背床部６が４５度以下の角度で起立した状態にある。この状態から、第１の初期状態に戻すには、まず、背床部６と第１の脚床部７を基本パターンＰの駆動線図の上昇方向の傾斜角度に倣って所定の割合で上昇方向に駆動される。   FIG. 7 (c) shows a state in which the first leg floor 7 is lying down horizontally and the back floor 6 is erected at an angle of 45 degrees or less, as indicated by S1 in FIG. To return from this state to the first initial state, first, the back floor portion 6 and the first leg floor portion 7 are lifted at a predetermined rate following the inclination angle of the driving direction of the basic pattern P in the rising direction. Driven in the direction.

同図にＳ２で示すように、背床部６の上昇角度が４５度になると、上記基本パターンＰの駆動線図の下降方向の傾斜角度に倣って所定の割合で、上記背床部６を上昇方向に駆動しながら、上記第１の脚床部７を下降方向に駆動される。   As shown by S2 in the figure, when the rising angle of the back floor portion 6 becomes 45 degrees, the back floor portion 6 is moved at a predetermined rate following the inclination angle in the downward direction of the driving diagram of the basic pattern P. While driving in the upward direction, the first leg floor portion 7 is driven in the downward direction.

図７（ｃ）にＳ３で示す時点では、上記背床部６が最大角度である７３度には達しないが、４５度以上の角度に起上し、上記第１の脚床部７が水平に倒伏した状態となる。   At the time indicated by S3 in FIG. 7C, the back floor 6 does not reach the maximum angle of 73 degrees, but rises to an angle of 45 degrees or more, and the first leg floor 7 is horizontal. It will be in a state of surrendered to.

Ｓ３の状態で、上記第１の脚床部７が水平に倒伏したことが第２の角度検出器１８によって検出されると、上記背床部６だけが下降方向に駆動され、Ｓ４の状態となる。つまり、背床部６が第１の脚床部７と同様、水平に倒伏した第１の初期状態に戻されることになる。   In the state of S3, when the second angle detector 18 detects that the first leg floor portion 7 has fallen horizontally, only the back floor portion 6 is driven in the downward direction, and the state of S4 and Become. That is, similarly to the first leg floor portion 7, the back floor portion 6 is returned to the first initial state in which the back floor portion 6 is lying down horizontally.

このように、背床部６と第１の脚床部７のうち、少なくとも背床部６が所定の角度で起立した状態から、この背床部６を最大角度である７３度に上昇させ、上記第１の脚床部７を水平に倒伏させる第１の初期状態に戻す場合の制御は、基本パターンＰの駆動線図の上昇方向或いは下降方向の傾斜角度に倣って上記背床部６と第１の脚床部７とを所定の割合で駆動するようにしている。   Thus, from the state where at least the back floor 6 of the back floor 6 and the first leg floor 7 stands at a predetermined angle, the back floor 6 is raised to 73 degrees which is the maximum angle, The control for returning to the first initial state in which the first leg floor portion 7 is lying down horizontally is performed by following the back floor portion 6 in accordance with the inclination angle in the upward or downward direction of the drive diagram of the basic pattern P. The first leg floor portion 7 is driven at a predetermined rate.

そのため、第１のパターンＰ１の駆動制御は、基本的には基本パターンＰの駆動線図の傾斜角度に倣った制御を利用して行われるから、第１のパターンＰ１専用の制御を行わずにすむ。そのため、任意の角度の駆動された背床部６と第１の脚床部７を第１の初期状態に戻すための制御を容易に行うことができる。   For this reason, the drive control of the first pattern P1 is basically performed using control according to the inclination angle of the drive diagram of the basic pattern P. Therefore, the control dedicated to the first pattern P1 is not performed. I'm sorry. Therefore, it is possible to easily perform control for returning the back floor 6 and the first leg floor 7 driven at an arbitrary angle to the first initial state.

その際、上記背床部６と第１の脚床部７との起立角度の和が利用者の身体を圧迫しない角度を維持しながら、上記背床部６を最大上昇角度以下(水平状態も含む)の状態から、最大起立角度となるまで駆動することができる。   At that time, while maintaining the angle at which the sum of the standing angles of the back floor portion 6 and the first leg floor portion 7 does not compress the user's body, the back floor portion 6 is kept below the maximum rising angle (even in the horizontal state). From the state of (including) to the maximum standing angle.

上記背床部６や第１の脚床部７を任意の角度に変更して使用していた状態から、第２の初期状態、つまり背床部６と第１の脚床部７が水平に倒伏した状態に戻したい場合には、上述したように上記リモートコントローラ１９の設定釦２３を押してから、あたま下げ釦２４を押すことで、上記背床部６と第１の脚床部７を連動させることができる。   From the state in which the back floor 6 and the first leg floor 7 are changed to an arbitrary angle and used, the second initial state, that is, the back floor 6 and the first leg floor 7 are horizontal. When it is desired to return to the lying down state, as described above, after pressing the setting button 23 of the remote controller 19 and then pressing the down button 24, the back floor portion 6 and the first leg floor portion 7 are moved. Can be linked.

図８（ａ）〜（ｃ）はそれぞれ上記背床部６と第１の脚床部７が任意の角度で起立した状態から、上記基本パターンＰの第２の初期状態、つまり背床部６と第１の脚床部７を水平に倒伏させる、第２のパターンＰ２を示している。   8 (a) to 8 (c) respectively show a second initial state of the basic pattern P, that is, the back floor portion 6 from a state where the back floor portion 6 and the first leg floor portion 7 stand at an arbitrary angle. The 2nd pattern P2 which makes the 1st leg floor part 7 fall down horizontally is shown.

図８（ａ）はＳ１で示すように、背床部６が４５度以下の角度で起立し、第１の脚床部７が４５度以下の所定の角度で起立した状態にある。このＳ１の状態から上記背床部６と第１の脚床部７を第２の初期状態に戻す制御は、上記背床部６と第１の脚床部７とが同図に破線で示す基本パターンＰの駆動線図の下降方向の傾斜角度に倣って所定の割合でともに下降方向に駆動される。   In FIG. 8A, as shown by S1, the back floor portion 6 stands up at an angle of 45 degrees or less, and the first leg floor portion 7 stands up at a predetermined angle of 45 degrees or less. In the control for returning the back floor portion 6 and the first leg floor portion 7 to the second initial state from the state of S1, the back floor portion 6 and the first leg floor portion 7 are indicated by broken lines in FIG. Both are driven in the downward direction at a predetermined rate following the inclination angle in the downward direction of the drive diagram of the basic pattern P.

同図にＳ２で示す状態になると、背床部６は上昇角度が０となって水平に倒伏するが、第１の脚床部７はまだ起立した状態にある。したがって、Ｓ２の状態になって、背床部６の上昇角度が０度であることが第１の角度検出器１７によって検出されると、背床部６の野駆動が停止され、第１の脚部７だけが倒伏方向に駆動される。それによって、Ｓ２の状態からＳ３の状態となる。つまり、第１の脚部７も背床部６と同様、水平に倒伏することになるから、上記背床部６と第１の脚床部７とが第２の初期状態に戻されることになる。   In the state shown by S2 in the figure, the back floor portion 6 has a rising angle of 0 and falls down horizontally, but the first leg floor portion 7 is still standing. Therefore, when the first angle detector 17 detects that the rising angle of the back floor 6 is 0 degree in the state of S2, the field drive of the back floor 6 is stopped, and the first Only the leg 7 is driven in the lying down direction. Thereby, the state of S2 is changed to the state of S3. That is, since the first leg 7 also falls horizontally like the back floor 6, the back floor 6 and the first leg floor 7 are returned to the second initial state. Become.

図８（ｂ）はＳ１で示すように、背床部６が４５度以上の角度で起立し、第１の脚床部７が４５度以下の所定の角度で起立した状態にある。このＳ１の状態から上記背床部６と第１の脚床部７を第２の初期状態に戻す制御は、上記背床部６と第１の脚床部７とが同図に破線で示す基本パターンＰの駆動線図の上降方向の傾斜角度に倣って所定の割合で駆動される。つまり、背床部６は下降方向に駆動され、第１の脚床部７は上昇方向に駆動される。   In FIG. 8B, as indicated by S1, the back floor portion 6 stands up at an angle of 45 degrees or more, and the first leg floor portion 7 stands up at a predetermined angle of 45 degrees or less. In the control for returning the back floor portion 6 and the first leg floor portion 7 to the second initial state from the state of S1, the back floor portion 6 and the first leg floor portion 7 are indicated by broken lines in FIG. It is driven at a predetermined rate following the inclination angle in the upward / downward direction of the drive diagram of the basic pattern P. That is, the back floor 6 is driven in the downward direction, and the first leg floor 7 is driven in the upward direction.

同図にＳ２で示すように背床部６が４５度の角度まで下降すると、上記背床部６と第１の脚床部７とは同図に破線で示す基本パターンＰの駆動線図の下降方向の傾斜角度に倣って所定の割合で駆動される。つまり、背床部６と第１の脚床部７はともに下降方向に駆動される。   When the back floor 6 is lowered to an angle of 45 degrees as indicated by S2 in the same figure, the back floor 6 and the first leg floor 7 are shown in the driving diagram of the basic pattern P indicated by the broken line in the same figure. It is driven at a predetermined rate following the inclination angle in the descending direction. That is, both the back floor 6 and the first leg floor 7 are driven in the downward direction.

同図にＳ３で示すように第１の脚床部７が水平の倒伏し、そのことが第２の角度検出器１８によって検出された時点では、上記背床部６はまだ上昇した状態にある。したがって、Ｓ３の状態になると、第１の脚床部７は駆動されず、背床部６だけが下降方向に駆動される。それによって、同図にＳ４で示すように背床部６と第１の脚床部７はともに下降方向に駆動される。   As shown by S3 in the figure, when the first leg floor portion 7 is horizontally lying down and detected by the second angle detector 18, the back floor portion 6 is still in the raised state. . Therefore, in the state of S3, the first leg floor portion 7 is not driven, and only the back floor portion 6 is driven in the downward direction. Thereby, as shown by S4 in the figure, the back floor portion 6 and the first leg floor portion 7 are both driven in the downward direction.

それによって、背床部６も第１の脚部７と同様、水平に倒伏することになるから、上記背床部６と第１の脚床部７とが第２の初期状態に戻されることになる。   As a result, the back floor 6 also lies horizontally in the same manner as the first leg 7, so that the back floor 6 and the first leg floor 7 are returned to the second initial state. become.

図８（ｃ）はＳ１で示すように、背床部６が４５度以下の角度で起立し、第１の脚床部７が水平に倒伏した状態にある。つまり、図８（ｃ）は他の例の場合のように背床部６と第１の脚床部７がともに起立している場合とは異なる例外的な例である。   In FIG. 8C, as shown by S1, the back floor portion 6 stands at an angle of 45 degrees or less, and the first leg floor portion 7 is in a state of lying down horizontally. That is, FIG. 8C is an exceptional example different from the case where the back floor portion 6 and the first leg floor portion 7 are both standing up as in the case of another example.

上記Ｓ１の状態から上記背床部６と第１の脚床部７を第２の初期状態に戻す制御は、背床部６だけを下降方向に駆動し、同図にＳ２で示す状態とする。それによって、背床部６と第１の脚床部７がともに水平に倒伏した第２の初期状態に戻されることになる。   In the control for returning the back floor portion 6 and the first leg floor portion 7 from the state of S1 to the second initial state, only the back floor portion 6 is driven in the descending direction, and the state shown by S2 in FIG. . As a result, the back floor portion 6 and the first leg floor portion 7 are both returned to the second initial state where they are lying down horizontally.

このように、背床部６と第１の脚床部７のうち、少なくとも背床部６が所定の角度で起立した状態から、この背床部６と第１の脚床部７がともに水平に倒伏する第２の初期状態に戻す場合の制御は、図８(ｃ)の場合を除いて基本パターンＰの駆動線図の上昇方向或いは下降方向の傾斜角度に倣って上記背床部６と第１の脚床部７とを所定の割合で駆動するようにしている。   Thus, from the state where at least the back floor 6 of the back floor 6 and the first leg floor 7 stands at a predetermined angle, the back floor 6 and the first leg floor 7 are both horizontal. The control in the case of returning to the second initial state of falling down is performed by following the back floor portion 6 following the inclination angle in the upward or downward direction of the drive diagram of the basic pattern P except in the case of FIG. The first leg floor portion 7 is driven at a predetermined rate.

そのため、第２のパターンＰ２の駆動制御は、基本的には基本パターンＰの駆動線図の傾斜角度に倣った制御を利用して行われるから、第２のパターンＰ２専用の制御を行わずにすむ。そのため、任意の角度の駆動された背床部６と第１の脚床部７を第２の初期状態に戻すための制御を容易に行うことができる。   For this reason, the drive control of the second pattern P2 is basically performed using the control following the inclination angle of the drive diagram of the basic pattern P, so that the control dedicated to the second pattern P2 is not performed. I'm sorry. Therefore, it is possible to easily perform control for returning the back floor 6 and the first leg floor 7 driven at an arbitrary angle to the second initial state.

その際、上記背床部６と第１の脚床部７との起立角度の和が利用者の身体を圧迫しない角度を維持しながら、上記背床部６を最大上昇角度以下(水平状態も含む)の状態から、水平に倒伏する角度となるまで駆動することができる。   At that time, while maintaining the angle at which the sum of the standing angles of the back floor portion 6 and the first leg floor portion 7 does not compress the user's body, the back floor portion 6 is kept below the maximum rising angle (even in the horizontal state). From the state of (including)) until it becomes an angle to fall horizontally.

上記基本パターンＰ、第１のパターンＰ１及び第２のパターンＰ２において、背床部６と第１の脚床部７の起上角度の和が排除領域であるゾーンＣ内になるのを防止している。   In the basic pattern P, the first pattern P1, and the second pattern P2, the sum of the rising angles of the back floor portion 6 and the first leg floor portion 7 is prevented from entering the zone C that is an exclusion region. ing.

そのため、背床部６と第１の脚床部７が任意の角度で起上した状態から、上述したように上記背床部６と第１の脚床部７を第１の初期状態或いは第２の初期状態に戻すとき、上記背床部６と第１の脚床部７との起上角度の和が所定以上となって、利用者の腹部を圧迫するのを防止することができる。   Therefore, from the state where the back floor portion 6 and the first leg floor portion 7 are raised at an arbitrary angle, the back floor portion 6 and the first leg floor portion 7 are placed in the first initial state or the first state as described above. When returning to the initial state of 2, the sum of the raising angles of the back floor portion 6 and the first leg floor portion 7 becomes a predetermined value or more, and it is possible to prevent the user's abdomen from being compressed.

つまり、背床部６と第１の脚床部７が任意の角度で起上した状態から、これらを第１の初期状態或いは第２の初期状態に戻す際、利用者に不快感を与えることなく行うことができる。   That is, when the back floor portion 6 and the first leg floor portion 7 are raised at an arbitrary angle and are returned to the first initial state or the second initial state, the user is uncomfortable. Can be done without.

この実施の形態では上記背床部６の駆動範囲を０〜７３度、第１の脚床部の駆動範囲を０〜４５度の制限している。そのため、そのことによっても、上記背床部６や第１の脚床部７の上昇角度が大きくなりすぎて利用者に不快感を与えるのを防止することができる。   In this embodiment, the driving range of the back floor 6 is limited to 0 to 73 degrees, and the driving range of the first leg floor is limited to 0 to 45 degrees. For this reason, it is possible to prevent the rising angle of the back floor portion 6 and the first leg floor portion 7 from becoming too large and giving the user unpleasant feeling.

しかも、上記背床部６と第１の脚床部７の駆動範囲が制限されているため、背床部６と第１の脚床部７が任意の角度で起上した状態から、第１の初期状態或いは第２の初期状態に戻す際、上記背床部６と第１の脚床部７とが駆動範囲の上限或いは下限になったとき、それ以上に駆動されることがないから、そのことによっても、第１の初期状態或いは第２の初期状態に戻す制御を容易に行うことができる。   In addition, since the driving range of the back floor 6 and the first leg floor 7 is limited, the first floor floor 6 and the first leg floor 7 are raised from an arbitrary angle in the first state. When returning to the initial state or the second initial state, when the back floor portion 6 and the first leg floor portion 7 reach the upper limit or lower limit of the driving range, they are not driven any further. This also makes it possible to easily perform control to return to the first initial state or the second initial state.

２…フレーム、６…背床部、７…第１の脚床部、１１…駆動制御部、１２…制御装置、１３…第１の駆動源、１４…第２の駆動源、１７…第１の角度検出器、１８…第２の角度検出器、１９…リモートコントローラ(操作部)、２３…設定釦、２４…あたま上げ釦、２５…あたま下げ釦。   DESCRIPTION OF SYMBOLS 2 ... Frame, 6 ... Back floor part, 7 ... 1st leg floor part, 11 ... Drive control part, 12 ... Control apparatus, 13 ... 1st drive source, 14 ... 2nd drive source, 17 ... 1st Angle detector, 18 ... second angle detector, 19 ... remote controller (operation unit), 23 ... setting button, 24 ... warm up button, 25 ... warm down button.

Claims (5)

フレームに設けられた背床部と脚床部が起伏駆動されるベッド装置に用いられる床板装置であって、
操作部と、
この操作部の操作によって上記背床部を起伏駆動する第１の駆動源と上記脚床部を起伏駆動する第２の駆動源を制御する制御装置を具備し、
上記制御装置は、
上記背床部と脚床部とを所定の割合で連動させて起伏動作させる基本パターンと、
上記背床部と脚床部とが途中の角度に起上した状態から上記背床部を上昇限の角度まで起上させる第１のパターンと、
上記背床部と脚床部とが起上した状態から上記背床部を下降限の角度まで倒伏させる第２のパターンを有し、
上記第１のパターンと上記第２のパターンは、上記基本パターンからずれた状態にある上記背床部と脚床部とを、上記基本パターンの上記所定の割合に基いて連動させて起伏動作させた後、上記基本パターンの初期状態に戻っていない上記背床部と脚床部を初期状態に戻すよう駆動するようになっている
ことを特徴とするベッド装置に用いられる床板装置。 A floor board device used for a bed device in which a back floor portion and a leg floor portion provided in a frame are driven up and down,
An operation unit;
A control device for controlling a first drive source for raising and lowering the back floor by operating the operation unit and a second drive source for raising and lowering the leg floor;
The control device
A basic pattern that causes the back floor and the leg floor to move up and down in a predetermined ratio;
A first pattern for raising the back floor portion from the state where the back floor portion and the leg floor portion are raised at an intermediate angle to a rising limit angle;
Having a second pattern that causes the back floor to fall from the state where the back floor and the leg floor are raised to the angle of the descent limit;
The first pattern and the second pattern cause the back floor portion and the leg floor portion, which are in a state shifted from the basic pattern, to move up and down in conjunction with each other based on the predetermined ratio of the basic pattern. After that, the floor plate apparatus used for the bed apparatus is configured to drive the back floor portion and the leg floor portion that have not returned to the initial state of the basic pattern to return to the initial state. フレームに設けられた背床部と脚床部が起伏駆動されるベッド装置に用いられる床板装置であって、
操作部と、
この操作部の操作によって上記背床部を起伏駆動する第１の駆動源と上記脚床部を起伏駆動する第２の駆動源を制御する制御装置を具備し、
上記制御装置は、
上記背床部と脚床部とを所定の割合で連動させて起伏動作させる基本パターンと、
上記背床部と脚床部とが途中の角度に起上した状態から上記背床部を上昇限の角度まで起上させる第１のパターンと、
上記背床部と脚床部とが起上した状態から上記背床部を下降限の角度まで倒伏させる第２のパターンを有し、
上記第１のパターンは、上記背床部と脚床部の起上角度を判定し、上記背床部の角度が所定の角度以下のときには上記背床部と上記脚床部を起上方向に上記所定の割合で上記背床部が上記所定の角度となるまで連動させ、上記背床部が所定の角度に達したならば上記背床部を上昇限まで起上させながら上記脚床部を倒伏方向に駆動するようになっていて、
上記第２のパターンは、上記背床部と脚床部の起上角度を判定し、上記背床部が上記所定の角度以下のときには上記背床部と上記脚床部をどちらか一方が下降限となる角度まで上記所定の割合で倒伏方向に駆動した後、他方を下降限まで倒伏駆動し、上記背床部の角度が所定角度以上のときには上記背床部と上記脚床部を上記所定の割合で上記背床部が上記所定の角度となるまで倒伏方向に駆動しながら上記脚床部を起上方向に駆動した後、上記背床部と上記脚床部をこれらが下降限となる角度まで上記所定の割合で倒伏方向に駆動するようになっている
ことを特徴とするベッド装置に用いられる床板装置。 A floor board device used for a bed device in which a back floor portion and a leg floor portion provided in a frame are driven up and down,
An operation unit;
A control device for controlling a first drive source for raising and lowering the back floor by operating the operation unit and a second drive source for raising and lowering the leg floor;
The control device
A basic pattern that causes the back floor and the leg floor to move up and down in a predetermined ratio;
A first pattern for raising the back floor portion from the state where the back floor portion and the leg floor portion are raised at an intermediate angle to a rising limit angle;
Having a second pattern that causes the back floor to fall from the state where the back floor and the leg floor are raised to the angle of the descent limit;
The first pattern determines a rising angle of the back floor portion and the leg floor portion, and when the angle of the back floor portion is equal to or smaller than a predetermined angle, the back floor portion and the leg floor portion are raised in the rising direction. The leg floor portion is interlocked until the back floor portion reaches the predetermined angle at the predetermined ratio, and when the back floor portion reaches the predetermined angle, the leg floor portion is raised while raising the back floor portion to the upper limit. Drive in the direction of lodging,
The second pattern determines a rising angle of the back floor portion and the leg floor portion, and when the back floor portion is equal to or less than the predetermined angle, one of the back floor portion and the leg floor portion is lowered. After driving in the inclining direction at the predetermined rate up to the limit angle, the other is driven down to the lower limit, and when the angle of the back floor part is equal to or greater than the predetermined angle, the back floor part and the leg floor part are After driving the leg floor part in the raising direction while driving in the lying down direction until the back floor part becomes the predetermined angle, the back floor part and the leg floor part become the lower limit. A floor board apparatus used for a bed apparatus, wherein the floor apparatus is driven in the lying down direction at a predetermined rate up to an angle. 上記背床部と脚床部との起上角度の和が所定以上の角度となる排除領域が設定されていて、上記基本パターン、第１のパタンーン及び第２のパタンーンは上記排除領域を含まない作動領域で上記背床部と脚床部との起伏駆動が行われることを特徴とする請求項１又は請求項２記載のベッド装置に用いられる床板装置。   An exclusion region is set in which the sum of the rising angles of the back floor portion and the leg floor portion is equal to or greater than a predetermined angle, and the basic pattern, the first pattern, and the second pattern do not include the exclusion region. The floor board apparatus used for the bed apparatus according to claim 1 or 2, wherein the up-and-down driving of the back floor part and the leg floor part is performed in an operation region. 上記背床部と脚床部は上昇限と下降限が設定されていて、上記第１のパターンと第２のパターンは上昇限と下降限の範囲内で起伏駆動されることを請求項１乃至請求項３のいずれかに記載のベッド装置に用いられる床板装置。   The ascending limit and the descending limit are set for the back floor portion and the leg floor portion, and the first pattern and the second pattern are driven up and down within the range of the ascending limit and the descending limit. The floor board apparatus used for the bed apparatus in any one of Claim 3. フレームに設けられた背床部と脚床部が起伏駆動されるベッド装置に用いられる床板の駆動制御方法であって、
上記背床部と脚床部とを所定の割合で連動させて起伏動作させる基本パターンと、
上記背床部と脚床部とが途中の角度に起上した状態から上記背床部を上昇限まで起上させる第１の動作パターンと、
上記背床部と脚床部とが起上した状態から上記背床部を下降限の角度まで倒伏させる第２の動作パターンとのいずれかによって上記背床部と脚床部を起伏駆動するようになっていて、
上記第１のパターンと上記第２のパターンは、上記基本パターンからずれた状態にある上記背床部と脚床部とを、上記基本パターンの上記所定の割合に基いて連動させて起伏動作させた後、上記基本パターンの初期状態に戻っていない上記背床部と脚床部を初期状態に戻すよう駆動する
ことを特徴とするベッド装置に用いられる床板の駆動制御方法。 A floor board drive control method used in a bed apparatus in which a back floor portion and a leg floor portion provided in a frame are driven to move up and down,
A basic pattern that causes the back floor and the leg floor to move up and down in a predetermined ratio;
A first operation pattern for raising the back floor to the upper limit from a state where the back floor and the leg floor are raised at an intermediate angle;
The back floor portion and the leg floor portion are driven to rise and fall according to any one of the second operation pattern in which the back floor portion is laid down from the state where the back floor portion and the leg floor portion are raised to the lower limit angle. And
The first pattern and the second pattern cause the back floor portion and the leg floor portion, which are in a state shifted from the basic pattern, to move up and down in conjunction with each other based on the predetermined ratio of the basic pattern. And then driving the back floor portion and the leg floor portion that have not returned to the initial state of the basic pattern to return to the initial state.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005087367A (en) * 2003-09-16 2005-04-07 Mitsuba Corp Drive control device for electric gatch bed
JP2007117182A (en) * 2005-10-25 2007-05-17 Paramount Bed Co Ltd Elevating/lowering and raising/lowering type motor-driven bed

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005087367A (en) * 2003-09-16 2005-04-07 Mitsuba Corp Drive control device for electric gatch bed
JP2007117182A (en) * 2005-10-25 2007-05-17 Paramount Bed Co Ltd Elevating/lowering and raising/lowering type motor-driven bed

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