JP2008272215A - Bed device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bed device capable of protecting its operability from being degraded caused by the rising/falling motion of a back panel part. <P>SOLUTION: The bed device A is provided with a bed table 1 and a floor panel part 2 mounted on the bed table 1. The floor part 2 is provided with a fixing panel part 4 fixed on the bed table 1 and a back panel part 3 placed at one end side in the longitudinal direction of the bed table 1 in the fixing panel part 4, and the back panel part 3 is provided in the vertical direction with respect to the bed table 1 so that it can be freely risen and fallen by a back panel drive part 6 provided for the bed table 1. Also, a supporting arm 7 is provided for the back panel part 3 and on the tip side of the supporting arm 7, an operator 8 is freely rotatably supported via an angle adjustment part 9. In the bed device A, when the operation equipment 8 is operated to rise and fall the back panel part 3, the operation equipment 8 is rotated by the angle adjustment part 9 in accordance with the rising and falling motion of the back panel part 3, and an operation surface 8a of the operation equipment 8 is adjusted so that it becomes horizontal with respet to the bed table 1. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a bed apparatus having a reclining function.

  Conventionally, there has been a bed apparatus in which an operating device for adjusting the angle of the back plate portion is attached to the back plate portion. In this bed apparatus, an arm for supporting the operating device is attached to the back plate portion, and the operating device is fixed to the distal end side of the arm.

A bed apparatus in which a table is provided on the side of the bed body has also been proposed (see, for example, Patent Document 1). In this bed apparatus, a table provided on a side portion of the bed main body slides along the longitudinal direction of the bed main body according to the undulation of the back plate portion.
JP-A-8-289828 (paragraph [0011] -paragraph [0026] and FIG. 1)

  In the former bed apparatus described above, the operating device moves together with the back plate portion in accordance with the up-and-down movement of the back plate portion, but the operating device is fixed to the arm, so according to the angle change of the back plate portion. Since the angle of the operation device also changes and the operation surface is not horizontal with respect to the bed body, it is difficult for the user who is lying on the bed to see the operation surface and to perform the operation.

  In the latter bed apparatus, the table moves along the longitudinal direction of the bed body as the back plate portion undulates. Since the distance from the person to the table becomes large, there is a problem that it is difficult to remove objects on the table.

  The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a bed apparatus that prevents the operability from being deteriorated by the undulation operation of the back plate portion.

  The invention according to claim 1 is a bed main body, a back plate portion that is provided on the upper surface side of the bed main body so that the upper body side of the user is placed, and can be raised and lowered vertically, and is attached to the back plate portion. A bed having an operation surface having an operation surface for performing an operation for adjusting the angle of the back plate portion, and a drive unit for raising and lowering the back plate portion according to the operation of the operation device, regardless of the angle of the back plate portion. An angle adjusting means for adjusting the angle of the operating device is provided so that the angle of the operating surface with respect to the main body is constant.

  The invention according to claim 2 is a bed main body, a back plate portion provided on a portion where the upper body side of the user who has landed on the upper surface side of the bed main body is placed, and the angle of the back plate portion. An operation device that performs an operation for adjusting the position, a drive unit that raises and lowers the back plate portion according to the operation of the operation device, and auxiliary furniture that has a placement surface for placing objects and is attached to the back plate portion. And an angle adjusting means for adjusting the angle of the auxiliary furniture so that the angle of the placing surface with respect to the bed main body is constant regardless of the angle of the back plate portion.

  According to the first aspect of the present invention, the angle of the operating device is adjusted by the angle adjusting means according to the angle of the back plate portion, and the angle of the operating surface with respect to the bed main body is kept constant. There is an effect that it is easy to see and operate the display on the operation surface from the user.

  According to the invention of claim 2, the angle of the auxiliary furniture is adjusted by the angle adjusting means according to the angle of the back plate portion, and the angle of the mounting surface of the auxiliary furniture with respect to the bed body is kept constant. There is an effect that the user who is supine can easily use the auxiliary furniture.

(First embodiment)
A first embodiment will be described with reference to FIGS. 1 and 2. As shown in FIG. 1, the bed apparatus A of the present embodiment includes a bed base 1, a floor board portion 2 placed on the bed base 1, and a mattress 5 placed on the floor board portion 2. A head board 1 a is erected on one end side in the longitudinal direction of the bed body 1.

  The floor plate portion 2 is divided into a plurality of (four in this embodiment) floor plates, and is fixed to the center portion in the longitudinal direction of the bed table 1, and one end in the longitudinal direction of the bed table 1 in the fixed plate portion 4. A first leg plate portion 12 and a second leg plate portion 13 disposed on the side (left side in FIG. 1), and a back plate portion 3 disposed on the other end side in the longitudinal direction of the bed base 1 in the fixed plate portion 4. Yes.

  The bed table 1 is provided with a back plate drive unit 6 that is composed of a motor, a gear, and the like and moves the back plate unit 3 up and down with respect to the bed table 1. The motor of the back plate drive unit 6 is provided with an angle sensor (not shown) for detecting the rotation angle of the output shaft.

  On the other hand, a support arm 7 that supports an operating device 8 for adjusting the angle of the back plate 3 with respect to the bed base 1 is attached to the back plate 3, and an angle adjusting unit 9 is provided at the distal end side of the support arm 7. An operating device 8 is rotatably attached to the control device 8. The angle adjusting unit 9 is composed of a motor, a gear, and the like, and the operating surface 8a of the operating device 8 is moved to the bed by rotating the operating device 8 at the same angle as the back plate 3 in the direction opposite to the inclination direction of the back plate 3. The angle is adjusted so as to be a fixed angle (for example, horizontal) with respect to the table 1. The motor of the angle adjusting unit 9 is provided with an angle sensor (not shown) for detecting the rotation angle of the output shaft.

  The operation device 8 has an operation surface 8a on the upper surface in FIG. 1, and a display monitor (not shown) for displaying a plurality of operation buttons (not shown) and the inclination angle of the back plate 3 on the operation surface 8a. ) Is provided, and the inclination angle of the back plate 3 can be adjusted by operating these operation buttons. Further, inside the operation device 8 is housed a control unit 11 that gives a rotation instruction to the back plate drive unit 6 and the angle adjustment unit 9 in accordance with an operation instruction from the operation button. Here, the angle adjusting unit 9 and the control unit 11 constitute an angle adjusting means. A signal line and a power line (both not shown) are accommodated in the support arm 7, and the motor and angle sensor of the back plate drive unit 6 and the control unit 11 are connected via these signal line and power line. And are electrically connected. In addition, operation buttons and a display monitor provided on the operation surface 8a are also electrically connected to the control unit 11 via a connector or the like (not shown), and the motor and angle sensor of the angle adjustment unit 9 are also signal lines and power lines (both not shown). And the control unit 11 is electrically connected to the control unit 11.

  Here, operation | movement of the bed apparatus A is demonstrated based on FIG.1 and FIG.2. When an operation instruction is given from the operating device 8 to the control unit 11 by operating a plurality of operation buttons, the control unit 11 sets a target angle corresponding to the operation instruction. At the same time, electrical signals corresponding to the angle of the current output shaft of the motor are input to the control unit 11 from the angle sensors provided in the back plate drive unit 6 and the angle adjustment unit 9, respectively. The angle to be actually rotated is set based on the electrical signal. At this time, the control unit 11 outputs an instruction signal for displaying the target angle to the operation unit 8, and the operation unit 8 displays the target angle on the display monitor of the operation surface 8a. Further, the control unit 11 outputs a motor rotation number corresponding to an angle to be actually rotated to the back plate driving unit 6, and the back plate driving unit 6 rotates the motor according to the inputted motor rotation number, and FIG. The back plate part 3 is inclined (raised) as shown in FIG. At the same time, the control unit 11 outputs the motor rotation number corresponding to the angle to be actually rotated to the angle adjustment unit 9, and the angle adjustment unit 9 rotates the motor in accordance with the input motor rotation number, and the operation surface 8a. The angle of the operation device 8 is adjusted so that is level with respect to the bed table 1. During operation, electrical signals corresponding to angles are sequentially input to the control unit 11 from the angle sensors of the back plate drive unit 6 and the angle adjustment unit 9, and feedback control is performed based on the target angle and these electrical signals. ing.

  In this bed apparatus A, the angle of the operating device 8 is adjusted by the angle adjusting unit 9 in accordance with the inclination angle (reclining angle) of the back plate 3, and the operation surface 8 a is always kept horizontal with respect to the bed table 1. Therefore, the display on the operation surface 8a is easy to see from the user who is lying on the bed, and the operation buttons are easy to operate.

  In the present embodiment, the case where the operation device 8 is rotationally controlled by the angle adjustment unit 9 so that the operation surface 8a of the operation device 8 is always horizontal with respect to the bed table 1 has been described as an example. An angle is not limited to this embodiment, What is necessary is just to be able to adjust to the fixed angle which a user can operate easily according to the shape etc. of an operating device.

(Second Embodiment)
A second embodiment will be described with reference to FIG. In the first embodiment, the operating device 8 is attached to the distal end side of the support arm 7 via the angle adjusting portion 9, and the operating surface 8 a of the operating device 8 is relative to the bed table 1 regardless of the inclination angle of the back plate portion 3. However, in this embodiment, auxiliary furniture (for example, table 10) is attached to the front end side of the support arm 7 via the angle adjuster 9, and the back is adjusted. Regardless of the inclination angle of the plate portion 3, the angle adjusting portion 9 is controlled so that the placement surface 10 a of the table 10 is always horizontal with respect to the bed table 1. Since the other configuration is the same as that of the first embodiment, the same components are denoted by the same reference numerals and description thereof is omitted. In addition, although the operation device is not shown in FIG. 3, an operation device is actually provided.

  In the bed apparatus A of the present embodiment, a support arm 7 is attached to the back plate portion 3, and a table 10 is rotatably attached to the front end side of the support arm 7 via an angle adjusting portion 9. The angle adjusting unit 9 rotates the table 10 in the direction opposite to the inclination direction of the back plate portion 3 by the same angle as the back plate portion 3, so that the mounting surface 10 a of the table 10 is always horizontal with respect to the bed table 1. The angle is adjusted so that

  Here, operation | movement of the bed apparatus A is demonstrated based on FIG.2 and FIG.3. When an operation instruction is given from the operating device to the control unit 11 by operating a plurality of operation buttons, the control unit 11 sets a target angle corresponding to the operation instruction. At the same time, electrical signals corresponding to the angle of the current output shaft of the motor are input to the control unit 11 from the angle sensors provided in the back plate drive unit 6 and the angle adjustment unit 9, respectively. The angle to be actually rotated is set based on the electrical signal. At this time, the control unit 11 outputs an instruction signal for displaying the target angle to the operation device, and the operation device displays the target angle on the display monitor of the operation surface. Further, the control unit 11 outputs a motor rotation number corresponding to an angle to be actually rotated to the back plate driving unit 6, and the back plate driving unit 6 rotates the motor according to the input motor rotation number, and FIG. The back plate part 3 is inclined (raised) as shown in FIG. At the same time, the control unit 11 outputs the motor rotation number corresponding to the angle to be actually rotated to the angle adjustment unit 9, and the angle adjustment unit 9 rotates the motor according to the input motor rotation number, The angle of the table 10 is adjusted so that 10a is horizontal to the bed table 1. During operation, electrical signals corresponding to angles are sequentially input to the control unit 11 from the angle sensors of the back plate drive unit 6 and the angle adjustment unit 9, and feedback control is performed based on the target angle and these electrical signals. ing.

  In this bed apparatus A, the angle of the table 10 is adjusted by the angle adjusting unit 9 in accordance with the inclination angle of the back plate 3, and the mounting surface 10 a of the table 10 is always kept horizontal with respect to the bed table 1. The object placed on the mounting surface 10a is safe without falling. In addition, the table 10 is attached to the back plate portion 3, and the table 10 moves as the back plate portion 3 moves up and down. Therefore, an object placed on the placement surface 10a from a user who is lying on the bed. Becomes easier to see and take.

  In the present embodiment, the case where the table 10 is used as auxiliary furniture has been described as an example. However, the auxiliary furniture is not limited to the present embodiment, and may be a book stand, for example. In this case, the angle of the placement surface of the book stand preset by the user of the bed (that is, the angle at which the user can easily read the book) is kept constant regardless of the angle of the back plate by the angle adjusting means. It is possible to provide a bed apparatus that is easy to use auxiliary furniture.

It is the schematic which shows the bed apparatus of 1st Embodiment. It is a block diagram of a control system same as the above. It is the schematic which shows the bed apparatus of 2nd Embodiment.

Explanation of symbols

1 bed (bed body)
3 Back plate part 6 Back plate drive part 8 Operator 8a Operation surface 9 Angle adjustment part A Bed apparatus

Claims (2)

  The bed body, a back plate part that can be raised and lowered in a vertical direction on a portion where the upper body side of the user who has landed on the upper surface side of the bed body is placed, and an angle of the back plate part attached to the back plate part An operation device having an operation surface for performing an operation for adjustment and a drive unit for raising and lowering the back plate portion according to the operation of the operation device, the angle of the operation surface with respect to the bed body regardless of the angle of the back plate portion. A bed apparatus comprising angle adjusting means for adjusting an angle of an operating device so as to be constant.   An operation for adjusting the angle of the bed body, the back plate part that can be raised and lowered in the vertical direction on the part where the upper body side of the user who has landed on the upper surface side of the bed body is placed, and the angle of the back plate part An operating device to be performed, a drive unit that raises and lowers the back plate according to the operation of the operating device, and auxiliary furniture that has a mounting surface for placing objects and is attached to the back plate, and the angle of the back plate A bed apparatus comprising an angle adjusting means for adjusting the angle of the auxiliary furniture so that the angle of the mounting surface with respect to the bed main body is constant regardless of the angle.

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