JP2006314603A - Back raising type bed device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a table plate movable vertically according to the rising or falling operation of a back floor part so that a user can easily use the table plate. <P>SOLUTION: This device is provided with: a bed frame 1; a floor plate 3 which is divided into a plurality of parts and provided at the bed frame and where at least the back floor part 4 corresponding to the upper half of the body of the user can be rise-fall-driven; the table plate 14 provided so as to move vertically while moving in front and rear directions along the longitudinal direction of the bed frame by a linkage 9 on one side of the bed frame; and a linking shaft 21 which links the linkage with the movement of the back floor part by driving of the back floor part in a rising-up direction and moves the table plate forward in the rising-up direction of the back floor part while raising the table plate. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a back-up bed apparatus that can raise and lower a user's upper body by driving up and down a part of a floor board.

  Generally, a back-up bed apparatus has a bed frame, and a floor plate is provided on the bed frame. The floor board is divided into a plurality of floor portions, and at least the back floor portion corresponding to the upper body of the user is provided so as to be driven up and down by the up-and-down driving mechanism. Therefore, if the back floor is driven in the upward direction, the user who is supine on the floor board via the mattress can wake up.

  On the other hand, on the side of the bed frame, a side table for the user to place small items is installed. The side table is usually positioned and installed in the front-rear direction along the height and the longitudinal direction of the bed frame so that a user who lies on the mattress can easily use the side table when reaching out to the side.

  However, even if the side table is installed at a position that is easy to use when the user is supine as described above, if the user raises the back floor and raises the upper body, the upper body of the user is Move forward in the up direction of the part. For this reason, even if the side table is in an easy-to-use position when the user is supine, the side table is difficult to use because it is located behind and below the user when the upper body is raised. It may be.

  It is an object of the present invention to provide a wake-up bed apparatus in which a table board is in a position that is easy for the user to use regardless of whether the user is lying on his / her upper body.

The present invention includes a bed frame,
A floor board which is divided into a plurality and is provided on the bed frame, and at least the floor corresponding to the upper body of the user can be driven up and down;
A table plate provided on one side of the bed frame so as to move up and down while moving in the longitudinal direction along the longitudinal direction of the bed frame by a link mechanism;
When the floor plate that can be driven up and down is driven in the rising direction, the link mechanism is interlocked with the movement of the floor portion, and the table plate is raised and moved forward in the rising direction of the floor portion. And a back-up bed apparatus.

The link mechanism has a pair of links having one end rotatably connected to the bed frame and the other end rotatably connected to the table plate,
It is preferable that one end of the interlocking member is connected to the floor portion of the floor plate that can be raised and lowered, and the other end is engaged with one of the pair of links.

The link mechanism has a pair of links having one end rotatably connected to the bed frame and the other end rotatably connected to an attachment member,
The table plate is preferably held by the mounting member so as to be movable in the front-rear direction.

  According to the present invention, when the floor portion of the floor plate that can be raised and lowered is raised, the table plate moves up and forward in the raising direction of the floor portion by the link mechanism interlocked with the raising of the floor portion. Even when the user wakes up, the table plate can be positioned on the side of the user.

  An embodiment of the present invention will be described below with reference to the drawings.

  1 to 3 show a first embodiment of the present invention. The bed apparatus shown in FIG. 1 includes a bed frame 1 in which a headboard 2 is erected on one end in the longitudinal direction. The bed frame 1 is provided with a floor plate 3. The floor plate 3 is divided into a plurality of floor portions, and at least the back floor portion 4 corresponding to the upper body of the user is placed between a state where the back floor portion 4 is almost leveled by a back raising mechanism (not shown) and standing at a predetermined angle. It is designed to be driven up and down. A mattress M is placed on the floor board 3, and a user lies on the mattress M.

  As shown in FIG. 2, a reinforcing member 6 made of a metal square pipe is provided on the inner surface of the side plate 5 of the bed frame 1. One end portion of a pair of connecting members 7 obtained by bending a belt-like plate into an L shape is attached and fixed to a portion corresponding to one side of the back floor portion 4 of the reinforcing member 6 by screws 7a.

  Both ends in the longitudinal direction of the support member 8 are fixedly attached to the other end of the pair of connecting members 7 which are horizontal. The support member 8 is made of, for example, a metal flat rectangular pipe, and one end portion and a midway portion of the support member 8 are rotatably supported by one end portions of a pair of links 9 having a rectangular frame shape.

  The side surface shape of each link 9 is curved in an arc shape as shown in FIG. The other ends of the pair of links 9 are rotatably connected to the attachment member 11. In other words, the support member 8, the pair of links 9 and the attachment member 11 constitute a link mechanism.

  As shown in FIGS. 2 and 3, a guide member 13 having L-shaped guide portions 12 formed at both ends in the width direction is provided on the upper surface of the mounting member 11. Are fixed by screws 13a.

  The guide member 13 is provided with a rectangular table plate 14 along the longitudinal direction of the bed frame 1. That is, rail members 15 are provided along the longitudinal direction at both ends in the width direction of the lower surface of the table plate 14, and the guides of the guide members 13 are formed in the grooves 16 formed on one side surface of the rail members 15. The part 12 is movably inserted.

  Thereby, the table plate 14 is movable along the guide portion 12. That is, it can move along the front-rear direction of the bed frame 1. A resin tape 14a is attached to the lower surface of the table plate 14 so that the table plate 14 can move along the guide portion 12 as shown in FIG.

A pair of stopper members 17 for preventing the guide portion 12 from coming out of the groove portion 16 are provided at both ends in the longitudinal direction of the pair of rail members 15.
As shown in FIG. 2, a pair of tongue pieces 18 are provided in the middle of one of the pair of links 9. One end of an interlocking shaft 21 as an interlocking member is supported on the pair of tongue pieces 18, and the end of the interlocking shaft 21 is provided on one tongue piece 18 located outward in the width direction of the bed frame 1. Screwed into the nut 22. That is, the interlocking shaft 21 is fixed to the link 9 with screws.

  The other end portion of the interlocking shaft 21 is in contact with or opposed to the upper surface of one end portion in the width direction of the back floor portion 4 lying down substantially horizontally. Therefore, when the back floor portion 4 is driven in the raising direction, the interlocking shaft 21 is pushed up by the back floor portion 4, so that the link 9 is driven by the interlocking shaft 21 from the lying down state shown by the chain line in FIG. It rotates in the standing direction indicated by.

That is, the pair of links 9 rotate so that one end connected to the attachment member 11 serves as a fulcrum and the other end moves forward in the standing direction of the back floor 4. Accordingly, the table plate 14 attached to the other end of the link 9 moves forward in the standing direction while rising as shown by the solid line from the lowered position shown by the chain line in FIG. 1 while maintaining the horizontal state.
The lowered position of the table plate 14 is a position slightly lower than the upper surface of the mattress M, and the raised position is a position higher than the upper surface of the mattress M.

  According to the wake-up type bed apparatus having such a configuration, when the back floor portion 4 is in a lying state, the table board 14 is located on the side of the upper body of the user who is supine on the mattress M as shown by a chain line in FIG. Located slightly lower than the top surface of the mattress M. Therefore, the user who is supine on the mattress M can easily use the table plate 14 by reaching his side.

  When the user raises the back floor 4 to raise the upper body, the pair of links 9 are interlocked with the rise of the back floor 4 via the interlocking shaft 21. In other words, the pair of links 9 rotate in a direction in which the other end rises with one end attached to the support member 8 as a fulcrum.

  As a result, the table plate 14 provided at the other end of the link 9 is interlocked with the rotation of the link 9 and moves forward in the raising direction of the back floor 4 while moving up. When the upper body is raised, the table board 14 is positioned on the side of the user.

  That is, when the user raises the back floor portion 4 and raises the upper body, the table plate 14 is positioned on the side of the user by changing the front-rear direction and the height, so that the above-mentioned table plate 14 is also raised when the upper body is raised. The table plate 14 can be easily used.

  The table plate 14 is provided at the other end of the pair of links 9 so as to be movable in the front-rear direction of the bed frame 1 along the guide portion 12 of the guide member 13 attached to the attachment member 11.

  Therefore, by raising the back floor portion 4, the table plate 14 that has been raised from the lowered position to the raised position can be further moved in the front-rear direction at the raised position. For example, if the table plate 14 is moved forward as indicated by a chain line in FIG. 1, it can be positioned at a position that is easy for the user who has raised the upper body, and if it is moved backward as indicated by the solid line. The table plate 14 does not get in the way when the user gets off the bed apparatus.

  In the first embodiment, the side surface shape of the pair of links 9 is an arc shape, but it may be a linear shape, and the front shape is a rectangular frame shape. There is no problem.

  4 to 6 show a second embodiment of the present invention. This embodiment is different from the first embodiment in the configuration for transmitting the movement of the back floor portion 4 to a pair of links. That is, one end portion of the interlocking rod 26 as the interlocking member, which is bent in a U shape, is attached and fixed to one side of the frame 25 that forms the back floor portion 4 of the floor board 3 with screws 27 as shown in FIG. ing. A roller 28 is rotatably attached to the other end of the interlocking rod 26.

  On the other hand, a support member 8 is attached and fixed to the reinforcing member 6 provided on the inner surface of the side plate 5 of the bed frame 1. At both ends in the longitudinal direction of the support member 8, one end of a pair of links 29 obtained by bending a bar material into a crank shape is rotatably supported.

  The other end of each link 29 is rotatably connected to both ends in the longitudinal direction of an attachment member 31 attached and fixed to the lower surface of the table plate 14. That is, the pair of links 29, the support member 8, and the attachment member 31 constitute a parallel link mechanism. Then, in the state where the back floor portion 4 is lying down as shown by a chain line in FIG. 6, one of the rollers 28 provided on the other end of the connecting rod 26 whose one end is connected to the frame 25 of the back floor portion 4 is lying down. The lower side of the link 29 is engaged.

  Accordingly, when the back floor portion 4 is driven from the lying state shown by the chain line in FIG. 6 to the standing state shown by the solid line, the table plate 14 is displaced from the lowered position to the raised position while the back floor portion 4 is moved forward in the standing direction. Move to. Therefore, the user can easily use the table plate 14 regardless of whether the back floor 4 is in a lying state or a state in which the back floor portion 4 is standing at a predetermined angle.

  In the second embodiment, the attachment member 31 to which the other end of the link 29 is attached is fixed to the lower surface of the table plate 14. However, the table plate 14 is attached to the attachment member 31 as in the first embodiment. On the other hand, you may make it provide so that a movement along the front-back direction along the longitudinal direction of the bed frame 1 is possible.

The side view which shows the part by the side of the headboard of the bed apparatus which shows 1st Embodiment of this invention. The front view which shows the link mechanism which provided the table board so that a vertical displacement was possible with respect to the bed frame. The enlarged view which shows the structure which provided the table board so that a movement in the longitudinal direction of a bed frame was possible. The top view of a part of bed apparatus which shows 2nd Embodiment of this invention. The front view which shows the link mechanism which provided the table board so that a vertical displacement was possible with respect to the bed frame. The side view of a link mechanism.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Bed frame, 3 ... Floor board, 4 ... Back floor part, 29, 29 ... Link, 13 ... Guide member, 14 ... Table board, 15 ... Rail member, 21 ... Interlocking shaft (interlocking member), 26 ... Interlocking rod ( Interlocking member), 28... Roller.

Claims (3)

A bed frame,
A floor board which is divided into a plurality and is provided on the bed frame, and at least the floor corresponding to the upper body of the user can be driven up and down;
A table plate provided on one side of the bed frame so as to move up and down while moving in the longitudinal direction along the longitudinal direction of the bed frame by a link mechanism;
When the floor plate that can be driven up and down is driven in the rising direction, the link mechanism is interlocked with the movement of the floor portion, and the table plate is raised and moved forward in the rising direction of the floor portion. A back-raised bed apparatus comprising a member. The link mechanism has a pair of links having one end rotatably connected to the bed frame and the other end rotatably connected to the table plate,
2. The back-up bed apparatus according to claim 1, wherein one end of the interlocking member is connected to a floor portion of the floor plate that can be raised and lowered, and the other end is engaged with one of the pair of links. The link mechanism has a pair of links having one end rotatably connected to the bed frame and the other end rotatably connected to an attachment member,
The back-up bed apparatus according to claim 1, wherein the table plate is held by the mounting member so as to be movable in the front-rear direction.

Images