JPH0620504Y2 - Bed equipment - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bed apparatus which can be used as a wheelchair by separating a part of a floor plate.

[0002]

2. Description of the Related Art For example, when a bedridden sick person or an elderly person is moved from a bed to another place, a wheelchair is used to reduce the burden on a caregiver. However, it is not easy to transfer a bedridden sick person or an elderly person from a bed to a wheelchair, and at that time, a caregiver may hurt his back.

Therefore, a bed device has been developed in which a part of the bed device can be divided and the part can be converted into a wheelchair. As such a conventional technique, actual Kaihei 2-2
The separable bed shown in Japanese Patent No. 3531 has been proposed. In the bed shown in this publication, the bed portion is divided into a first side portion, a central portion and a second side portion so as to extend in the longitudinal direction, and the second side portion is divided into a first portion and a second portion. It is divided into two.

The above-mentioned central portion is movable and has a structure in which it can take any of two forms, that is, a form in which it is flatly extended in a normal state and a form of a wheelchair. The first portion and the second portion of the second side portion are attached to one end sides of the pair of arms, respectively. The other ends of these arms are connected to the leg portions on the side of the first side portion by a universal joint so as to be rotatable in the vertical direction and the horizontal direction.

In the bed state, the central portion is provided between the pair of side portions, and these are connected to each other to maintain the shape of the bed. When the central portion is used as a wheelchair, the first portion and the second portion of the second side portion are pivoted downward and also laterally pivoted to separate from each other. The frame of the central portion can be pulled out between the end portions of the respective portions while being passed through the upper surface side of the respective portions.

However, according to such a configuration,
When separating the central portion, it is necessary not only to rotate the second side portion downward, but also to rotate the first and second portions of the second side portion in the lateral direction in which they are separated from each other.
That is, it is necessary to rotate the first and second parts in the direction of separating left and right while maintaining the state in which the second side portion is rotated downward, and to pull out the central portion while maintaining that state. Therefore, the operation for separating the central portion from the bed or assembling the separated central portion may be complicated and troublesome.

Further, in order to make the central portion freely removable, the second side portion must be divided into two in a direction intersecting the longitudinal direction. However, if the second side portion is divided into two, the rigidity against the load applied to the upper surface may decrease when the bed is used in a flat state.

Further, the first portion and the second portion of the second side portion
According to the configuration in which the part and the part are rotated in the left-right direction, a space for that is required to be secured in the front-back direction of the bed, which may require a large installation place of the bed.

[0009]

As described above, the conventional one may have poor operability when a part of the bed is separated or assembled, and the rigidity is low when the bed is used in a flat state. There was something like that.

The present invention has been made in view of the above circumstances, and an object thereof is a bed device in which a part of a floor plate to be a wheelchair can be easily separated or assembled and the rigidity of the bed device can be reduced little. To provide.

[0011]

In order to solve the above problems, the present invention provides a bed apparatus in which a bed body is provided with a floor plate for a user to lay down, and the floor plate is arranged in the width direction of the bed body. On the other hand, the first side floorboard is divided into a first side floorboard, a second side floorboard, and a central floorboard, and the first side floorboard located on one end side in the width direction is horizontally held by the bed body and on the other end side. The second side floor plate located is provided rotatably upward from a horizontal state of substantially the same height as the first side floor plate with one end in the width direction of the bed body as a fulcrum, and the central floor plate is movable. It is horizontally held at the same height as that of the first and second side floor boards on the trolley, and its central floor board is configured to be convertible from the horizontal state to the chair state on the trolley. It is characterized by being

[0012]

According to the above structure, the central floor plate can be separated or assembled by simply rotating the second side floor plate upward, so that the operation is easy and the central floor plate can be freely taken in and out. Therefore, the first side floor plate and the second side floor plate are divided so that their rigidity does not decrease.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The bed apparatus shown in FIG. 1 includes a bed body 1. The bed body 1 is composed of a pair of end frames 2 formed by bending a pipe material into a substantially inverted U shape, and a connecting member 3 that connects one end sides of the end frames 2 in the width direction. Has been done. A receiving member 4 is provided in the middle of the inner surface of each end frame 2 in the height direction, and a receiving member 4 is provided along the entire length in the width direction.
Is provided.

A pair of end frames 2 of the bed body 1
A floor plate 6 is provided between them. The floor plate 6 includes a first side floor plate 7 located on one widthwise end side of the bed body 1,
It is divided into a second side floor plate 8 located on the other end side and a central floor plate 9 located in the central portion.

The first side floorboard 7 and the second side floorboard 8 described above.
Is a pair of vertical rods 7a, 8a made of a pipe material, each of which is slightly shorter than the length of the bed body 1, and is separated from each other in parallel.
It is formed by attaching b and 8b at a predetermined interval. The first side floor plate 7 is held by engaging both ends in the longitudinal direction with the receiving member 4 provided on the inner surfaces of the pair of end frames 2.

One end of a substantially L-shaped arm 10 is connected and fixed to both ends in the longitudinal direction of the second side floor plate 8. The other ends of these arms 10 are rotatably supported by a support portion 11 provided on the upper end of the end frame 2 at one end side in the width direction. As shown in FIG. 3B, the supporting portion 11 has a supporting member 13 whose lower end portion is connected and fixed to the receiving member 4 by a bolt 12. A circular accommodating portion 14 is formed on the support member 13.
The housing 14 has a bowl-shaped rotating body 15 with one side open.
And a set screw 16 joined to one side surface of the rotating body 15.
The connecting member 17 fixed by the above is rotatably supported by a support bolt 19 via a washer 18.
A coil spring 21 is housed in the internal space of the rotating body 15. One end of the vine spring 21 is connected and fixed to the shaft portion of the support bolt 19, and the other end is fixed to the inner peripheral surface. The other end of the arm 10 is inserted and fixed in the hollow connecting portion 17a formed in the connecting member 17.

The rotating body 15 and the connecting member 17 are urged in the rotating direction by the vine winding spring 21. That is, the arm 10 is connected to the rotating body 15 together with the connecting member 17 in a state in which a load is not applied to the vine winding spring 21 and one end side is rotated upward as shown by a chain line in FIG. Installed and fixed. Therefore, the arm 1
When the 0 is rotated from the raised position to the horizontal state, the vine spring 21 is elastically deformed,
By the restoring force of the vine winding spring 21, the arm 10 can be easily rotated in the upward direction with a light force.

A stopper pin 22 is housed in the end of the receiving member 4 of the end frame 2 as shown in FIG. 3 (a). The first stopper pin 22 is a coil spring 23.
Is urged in a direction projecting from a through hole 24 formed on the upper surface of the receiving member 4. A pipe 8b having a rectangular cross section is provided at an end of the second side floor plate 8 and an engaging hole 25 is formed in the pipe 8b. When the second side floor plate 8 is rotated to a horizontal state where it is joined to the receiving member 4, the first stopper pin 22 engages with the engagement hole 25. Thereby, the second side floor plate 8 is held by the bed body 1.

The first side floorboard 7 and the second side floorboard 8 described above.
The central floor plate 9 is provided between and so as to be freely inserted and removed. That is, the central floor plate 9 is divided into first to third flat plates 26a to 26c, and the flat plates 26a to 26c are rotatably connected to each other. The second flat plate 26b located at the center is pivotally supported by the carriage 27 shown in FIGS. 4 and 5. That is, the carriage 27 connects a pair of side frames 28 bent in an inverted U shape at a predetermined interval by a plurality of connecting rods 29, and casters 30 are provided at the lower ends of the side frames 28, respectively. It can be driven. Rollers 31 and brackets 32 are provided on the upper sides of the pair of side frames 28, respectively. The second flat plate 26b is rotatably connected to the brackets 32, and the roller 31 is in rolling contact with the lower surface of the second flat plate 26a.

The height of the central floorboard 9 provided on the carriage 27 is set to be the same as that of the first and second side floorboards 7 and 8, and the length is a pair of ends of the bed body 1. The size is set so that it can be put in and taken out between the partial frames 2, and the width is set so that at least one user can lie down.

A mounting member 33 is provided on one end of the upper side of the side frame 28. One end of a storage pipe 34 is pivotally attached to the mounting member 33. One end side of the gas spring 35 is housed and held in the housing pipe 34.
A rod 36 projects from the other end of the gas spring 35. The bracket 3 is attached to the tip of the rod 36.
7 is attached. The bracket 37 is pivotally attached to the lower surface of the first flat plate 26a pivotally attached to one end side of the second flat plate 26b. Further, an intermediate portion of the operating lever 38 is pivotally attached to the bracket 37 as shown in FIG. One end of the operating lever 38 faces the operating pin 36 a protruding from the rod 36. Therefore, the locked state of the rod 36 of the gas spring 35 can be released by rotating the operating lever 38 and pressing the operating pin 36a.

As shown in FIG. 4, one end of a first link 39 is attached to the side surface of the base end portion of the first flat plate 26a. The other end of the first link 39 extends toward the lower surface of the second flat plate 26b, and the other end is pivotally attached to one end of a second link 41. This second link 4
The other end of 1 is pivotally attached to a bracket 42 provided on the lower surface on the base end side of the third flat plate 26c pivotally attached to the other end side of the second flat plate 26b.

At the end of the first flat plate 26a, a handle member 43 projecting to the lower surface side is provided, and the third flat plate 2 is provided.
A footrest member 44 protruding to the upper surface side is provided at the end of 6c.

When the rod 36 of the gas spring 35 is retracted, the first to third flat plates 26a are formed.
26c are flat as shown by the solid line in FIG.
When the operating lever 38 is operated to release the locked state of the rod 36 and urge it in the projecting direction, the first flat plate 26a stands up to a substantially vertical state as shown by the chain line in FIG. . When the first flat plate 26a is erected, the first flat plate 26a rises to the third position via the first link 39 and the second link 41.
The flat plate 26c rotates in the descending direction. Also, at this time,
The second flat plate 26b inclines slightly downward toward the first flat plate 26a with the point pivotally attached to the bracket 32 as a fulcrum. That is, in this state, the first flat plate 2
6a becomes a backrest, the second flat plate 26b becomes a seat plate,
Further, it is converted into a chair on which a foot can be placed on a footrest member 44 provided at the end of the third flat plate 26c.

At both ends of the pair of side frames 28 of the truck 27, as shown in FIG.
Is attached. A pair of first supports 4 of each side frame 28
Bar members 46 are detachably attached to each of the rails 5, as indicated by the chain line in FIG. These fence members 46 can be used as armrests when the central floorboard 9 is converted into a chair.

As shown in FIG. 1, the connecting member 3 of the bed body 1 is formed with a pair of insertion holes 47 opening to the upper surface, and a short side is provided on one side of the second side floor plate 8. A pair of second supports 48, which are tubes, are provided. The carriage 2 is inserted into the pair of insertion holes 47 and the second support 48.
The pair of fence members 46 supported by the first support 45 of No. 7 can be replaced and used as side fences. In addition, a connecting rod 29 that connects a pair of side frames 28 to the carriage 27.
By using the basket 4 for storing goods on the lower surface side of the second flat plate 26a.
9 is detachably held.

Further, as shown in FIG. 2, a pair of second stopper pins 51 (only one is shown on the lower surface of one end of the second side floor plate 8 on the side of the first side floor plate 7 in the width direction). ) Is elastically biased in the protruding direction. This second
When the central floor plate 9 is located between the first side floor plate 7 and the second side floor plate 8 together with the carriage 27, the stopper pins 51 of the pair of stopper pins 51 on one end side in the width direction of the carriage 27. Of the first support 45.

The first side floor plate 7 and the second side floor plate 8 described above.
Beds 52a to 52c such as mattresses and duvets shown by chain lines in FIG. 2 are placed and fixed on the upper surface of the central floorboard 9, respectively.

In the bed apparatus having the above structure, as shown in FIG. 2, the carriage 27 is located inside the bed main body 1, and the central floor plate 9 provided on the upper surface of the carriage 27 is provided with the first side floor plate 7 and the second side floor plate 7. If it is located between the side floorboards 8, the plane formed by these floorboards can be used as the bed surface. Since the floor plates 7, 8 and 9 that form the bed surface are not divided in the middle part in the longitudinal direction, the floor plates 7, 8 and 9 exhibit greater rigidity with respect to the load applied to the bed surface than in the case of being divided. That is, it is possible to support the user in a stable bed rest state. Further, the second side floor plate 8 engages with the first stopper pin 22 provided on the receiving member 4, and the carriage 27 engages with the second stopper pin 51 provided on the second side floor plate 2. Since they are fitted together, these engagements hold the second floor plate 8 and the central floor plate 9 without rattling, and the stability of the bed surface is good.

When the central floor plate 9 is separated from the bed device to form a wheelchair, first, the patient lying on the bed is transferred to the central floor plate 9. Usually, since the patient is lying on the bed in the center of the bed surface, there is almost no need to move the patient at that time, and the caregiver is not burdened with much.

If the patient is moved onto the central floorboard 9,
The second side floor plate 8 is rotated in the upward direction together with the arm 10 to the state shown by the chain line in FIG. At this time,
Since the restoring force of the coil spring 21 acts on the frame 10 in the rotation direction thereof, the second side floor plate 8 can be easily rotated and raised by a relatively light force. On the contrary, arm 1
When 0 is rotated in the descending direction, it is rotated against the restoring force of the coil spring 21, so that the second side floor plate 8 is prevented from rapidly rotating due to its own weight.

When the second side floor plate 8 is raised, the central floor plate 9 is separated from the bed body 1 together with the carriage 27 as shown in FIG. Separation of the central floor plate 9 only requires pulling out the trolley 27 while the second side floor plate 8 is raised, and therefore the caregiver is not burdened with the separation work.

When the central floor plate 9 is separated, the operating pin 3 provided at the tip of the rod 36 of the gas spring 35.
6a is pressed by the operating lever 38 to release the locked state of the gas spring 35. As a result, the rod 36 is urged in the protruding direction, so that the first flat plate 26a of the central floor plate 9 of the dolly 27 rises and the third flat plate 2
By the lowering of 6c, the central floor board 9 is converted into a chair state as shown by the chain line in FIG. In other words, the patient is in a state of lying on the bed surface and then sitting on a chair. Therefore, the caregiver can easily and freely move the patient by running the chair.

When returning the carriage 27 to its original position, first,
The actuating pin 36a of the gas spring 35 is pressed to release the locked state, and while maintaining the released state, the first flat plate 26a in the standing state of the central floor plate 9 is rotated in the falling direction. The rotation causes the second and third flat plates 26b,
Since 26c is also interlocked, these central floorboards 9 can be returned to a horizontal bed state.

Next, with the second side floor plate 8 rotated in the ascending direction, the carriage 27 is run into the bed body 1 and the central floor plate 9 is aligned with the first side floor plate 7. Set up. Then, by rotating the second side floor plate 8 in the descending direction until it becomes horizontal, the central floor plate 9 can be returned from the bed body 1 to the inseparable bed state. Even when the central floor plate 9 is returned to its original position, the trolley 27 is run while the second side floor plate 8 is raised, so the work at that time is also easy.

[0036]

As described above, according to the present invention, the floorboard is divided into the first side floorboard, the second side floorboard and the central floorboard, and the first side floorboard is attached to the bed main body. The second side floor plate can be rotated upward from a horizontal state with the first side floor plate side as a fulcrum, and the central floor plate is provided on a trolley that can travel, and the second side plate is The floor plate was made to be able to be separated in the raised state.

Therefore, according to such a structure, the central floor plate is separated or the original floor plate is separated only by moving the carriage in and out of the bed body while the second side floor plate is raised. Because it can be returned, the work is easy,
Moreover, it can be done quickly. Moreover, since the central floor plate can be separated without dividing the second side floor plate as in the conventional case, the rigidity of the second side floor plate does not have to be reduced. Further, since the second side floor plate is rotated upward, there is a case where it is not necessary to secure an extra space in the front-back direction of the bed body as in the conventional case.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention with a central floor plate separated.

FIG. 2 is a sectional view taken along the width direction of the bed body.

FIG. 3A is a cross-sectional view of a joint portion between a second side floor plate and a receiving member, and FIG. 3B is a cross-sectional view of a portion where a support portion for an end frame of a bed body is provided.

FIG. 4 is a side view of the carriage.

FIG. 5 is a perspective view of the same.

FIG. 6 is a side view of the tip of the gas spring.

[Explanation of symbols]

1 ... Bed body, 6 ... Floorboard, 7 ... First side floorboard, 8 ...
Second side floorboard, 9 ... central floorboard, 10 ... arm, 27
... a dolly.

Claims (1)

[Scope of utility model registration request] 1. A bed apparatus having a bed main body provided with a floor plate for a user to lay down, wherein the floor plate is a first side floor plate and a second side floor plate in the width direction of the bed main body. And a central side floor plate, and a first side floor plate located at one end in the width direction is horizontally held by the bed body, and a second side floor plate located at the other end side is at one end in the width direction of the bed body. A side fulcrum is provided rotatably in an upward direction from a horizontal state having substantially the same height as the first side floor plate, and the central floor plate is mounted on a movable carriage so as to be substantially flush with the first and second side floor plates. A bed apparatus characterized in that it is held horizontally at the same height, and its central floor plate is configured to be convertible from a horizontal state to a chair state on the carriage.