JP2941169B2 - Bed equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bed apparatus that allows a user to easily take an upright posture on a mattress.

[0002]

2. Description of the Related Art Generally, a bed apparatus has a bed frame formed in a rectangular frame shape, and a mattress is placed on the bed frame. If the user is an elderly or sick person and is physically disabled, the user may eat without getting off the mattress. In such a case,
The user takes an upright posture on the mattress.

In the case where the above-mentioned user moves on a mattress with his / her upper body up, if the hips are moved when moving the buttocks on the mattress, it is necessary to put the elbows on them and raise the buttocks. Can be easily moved.

[0004] Conventionally, in order to allow a user to easily take a posture in which the upper body is raised on the mattress, a structure in which one end of a floor plate erected on a bed frame for mounting the mattress can be raised and lowered. Bed devices are known.

[0005] In the bed apparatus having the above structure,
If one end of the floorboard is raised at a predetermined angle while bending the mattress, the user can easily maintain the posture in which the upper body is raised by leaning on the raised floorboard.

According to the bed apparatus having such a configuration, a drive source such as a motor and a power transmission mechanism for transmitting the power of the drive source to one end of the floor plate in order to raise and lower one end of the floor plate. Is required.

[0007] Since the drive source and the power transmission mechanism are expensive, the cost of the bed apparatus is increased, and the structure is complicated and the weight is increased in some cases.
Further, if the structure is such that one end of the floorboard is simply raised, it can be used to maintain the user's upper body posture, but cannot be used for other purposes such as armrests. There is that.

[0008]

As described above, the conventional bed apparatus has a structure in which a part of the floor plate is made up and down freely so that the user can easily maintain the posture in which the upper body is raised. Because part was driven up and down by the drive source, it not only increased the cost and complicated the configuration, but also caused the user to raise the upper part of the raised part of the floorboard. May not be available for any purpose other than to lean on to maintain

The present invention has been made based on the above circumstances, and an object of the present invention is to simply maintain the user's upper body posture easily with a simple configuration without using a driving source. Another object of the present invention is to provide a bed device that can be used as an armrest or the like.

[0010]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a bed apparatus having a frame on which a mattress is placed on an upper surface, and a mounting device mounted on one end of the frame, The lower end is rotatably connected to the tool within a predetermined range .
The upper end is located above one end in the longitudinal direction of the bed frame.
An arm that moves within a predetermined range along the longitudinal direction thereof, and a predetermined portion is formed at an upper end portion of the arm that is formed to be freely bendable at a midpoint in the height direction and that is located above the mattress of the arm. And a leaning body whose rear side is connected rotatably within the range s.

[0011]

According to the above construction, if the arm is rotated with its lower end as a fulcrum and the leaning body provided at the upper end is positioned above one end of the mattress, the user can move the arm closer to the mattress. It is possible to lean on the hanging body, and by folding the leaning body from the middle part while being positioned above one end of the mattress, the upper surface of the folded portion can be used as an armrest.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 8 show an embodiment of the present invention. The bed apparatus of the present invention shown in FIGS. 2 and 3 has a bed frame 1. A mattress 2 is placed on the upper surface of the bed frame 1.

At one end in the longitudinal direction of the base 1, as shown in FIG. 4, the middle side of two lower support members 51 (only one is shown) formed by bending both ends of the band-like plate into an L shape is provided. Are fixed at predetermined intervals in the width direction. As shown in FIG. 5A, a plurality of recesses 52 are formed at predetermined intervals along the circumferential direction at both ends of the lower support 51, and engagement pins 53 are protruded from the lower support 51. A mounting hole 54 is formed at the center of the concave portion 52 arranged in a circular shape.

A disc-shaped lower ratchet plate 55 is rotatably connected to the mounting hole 54 by a connecting pin 56. As shown in FIG. 5B, the lower ratchet plate 55 has a plurality of convex portions 57 formed at a predetermined interval along a circumferential direction, and a cutout portion 58 formed at a predetermined range in a circumferential direction. Have been.

The lower ratchet plate 55 has a projection 57
Face the concave portion 52 of the first receiving portion 53, and is attached by the connecting pin 56 in a state where the engaging pin 53 is located in the cutout portion 58. As shown in FIG. 4, the lower ratchet plate 5
A spring washer 59 is provided to press the 5 against the first receiving portion 53.

Therefore, the lower ratchet plate 55 rotates with a predetermined resistance because the convex portion 57 elastically engages with the concave portion 52 of the first receiving portion 53, and the lower ratchet plate 55 has the notch 58 Is engaged, so that it rotates at an angle within the range of the notch 58.

A lower connecting piece 61 is connected to the lower ratchet plate 55, and the lower connecting piece 61 is fixed to a lower end of an arm 62 formed by bending a pipe material into an arc shape. An upper connecting piece 60 is fixed to the upper end of the arm 62 as shown in FIG. This upper connecting piece 6
A disk-shaped upper ratchet plate 63 in which a plurality of convex portions 63a are formed at predetermined intervals in the circumferential direction is fixed to 0.

Although not shown in detail, both ends of an upper support member 64 bent in an L-shape are connected to the upper ratchet plate 63 by connecting pins 65 so as to be rotatable. I have. As shown in FIG. 6B, concave portions 66 are formed at predetermined intervals along the circumferential direction at one end of the upper support 64, and a mounting hole 64a is formed at the center thereof. It is attached by the connection pin 65 via the attachment hole 64a. The connection pin 65 is provided with a spring washer (not shown), and the projection 63a and the recess 66 are elastically pressed by the spring washer.

A notch 66 is formed in the upper ratchet plate 63.
Are formed in a predetermined range in the circumferential direction, and the upper support 64
An engagement pin 67 that engages with the notch 66 to limit the rotation angle thereof is provided at the end of the projection.

The middle portion of the upper support 64 is connected and fixed to the back of the leaning body 69. This leaning body 69
Is a frame 71, as shown in FIG.
Cushion 72 of urethane foam or the like covering 1
And an exterior ground 73 covering the cushion portion 72.

When the arm 62 rotates about the lower support 51 as a fulcrum, the leaning body 69 moves from the retreat position located above the end of the mattress 2 as shown by a solid line in FIG. It can be displaced to the indicated forward position. That is, the leaning body 69 can be displaced along the longitudinal direction above the mattress 2.

Moreover, since the leaning body 69 is rotatable within a predetermined range with respect to the arm 62, the leaning body 69 is inclined upward from a substantially vertical state shown by a solid line in FIG. Can be rotated in the range of.

The frame 71 of the leaning body 69 is shown in FIG.
Is divided into an upper portion 71a and a lower portion 71b. The upper portion 71a and the lower portion 71b are connected at both ends in the width direction by a hinge mechanism 80, and a plurality of belts 74 are stretched along the width direction.

The hinge mechanism 80 has a first arm 82 and a second arm 83 connected by a support shaft 81 as shown in FIG. A tooth 84 is formed at one end of the first arm 82, and the tooth 8 is formed at one end of the second arm 83.
A stopper 85 meshing with the gear 4 is pivotally connected by a stopper pin 86, and is urged by a spring 87 in a direction meshing with the teeth 84.

A cam plate 88 is rotatably mounted on the support shaft 86. A concave portion 89 and a convex portion 91 are formed on the outer peripheral surface of the cam plate 88 at a predetermined angle in the circumferential direction. The radius of the protrusion 91 from the support shaft 81 is larger than the radius of the teeth 84. Also,
At one end of the first arm 82, an engaging body 92 is provided which is located opposite to the recess 89 when the stopper 85 is engaged with the teeth 84.

According to the hinge mechanism 80 having the above structure, the engagement between the teeth 84 and the stopper 85 causes the first arm 8 to move.
2 can be held at a predetermined rotation angle with respect to the second arm 83. Also, if the first arm 82 is rotated in the direction shown by the arrow in FIG. 8 and the cam plate 88 is interlocked with the rotation by an engaging body 92 abutting on one end of the concave portion 89, this cam plate Since the stopper 85 rides on the convex portion 91 of the bracket 88 and is disengaged from the teeth 84, the first arc
Can be freely rotated in the direction opposite to the arrow. Rotation in this direction causes the engagement body 92 to abut on the other end of the recess 89 to rotate the cam plate 88, and the stopper 85
Until the first arm 82 is disengaged from the convex portion 91 of the cam plate 88 and engages with the teeth 84, that is, until the first arm 82 is substantially straight with respect to the second arm 83. it can.

That is, by using the hinge mechanism 80A having the above structure, the upper portion 71a of the frame 71 constituting the leaning body 69 can be held at a predetermined rotation angle with respect to the lower portion 71b. It has become.

As shown in FIGS. 1 and 7, a mounting plate 95 is erected on the lower portion 71b of the frame 71 of the leaning body 69 along its width direction. The upper support 64 is attached to the mounting plate 95 so as to be exposed from the cushion portion 72 covering the frame 71.

According to the bed apparatus having the above-mentioned structure, if the pair of leaning members 69 are set to be substantially vertical at the retracted position, these leaning members 69 can be used for headboard or leaning. .

One or both of the pair of leaning members 69 are displaced from the retracted position to the forward position by rotating the arm 62 to which the pair of leaning members 69 are attached. By inclining so as to face diagonally upward as indicated by the chain line, the user who has raised the upper body on the mattress 2 can lean on the leaning body 69 easily.

When one of the leaning members 69 is located at the forward position and is inclined obliquely upward, the upper portion 71a is bent rearward so as to be substantially horizontal as shown in FIG. The user leaning the upper body on the mattress 2 and leaning on the other leaning body 69, the upper part 7 of the one leaning body 69 bent substantially horizontally.
1a can be used as an armrest.

When the user leans on the leaning body 69 and raises his / her upper body, if there is an armrest on the side, the elbow is placed on the leaning body 69 when the buttocks are moved. Can be relatively easily levitated by itself, and can be easily moved.

With the leaning body 69 standing upright at the retracted position, the frame 71 is shown in FIG.
If the upper portion 71a is bent so as to be substantially horizontal behind the retreat position, the upper surface thereof can be used as a mounting surface for mounting various small items.

FIGS. 9, 10A and 10B show a modification of the hinge mechanism 80A according to another embodiment of the present invention. The hinge mechanism 80A of this embodiment has a band-shaped first connecting plate 112 fixed at one end to the widthwise end of the lower portion 71b of the frame 71 of the leaning body 69, and the other end has the same frame. A belt-like second connecting plate 113 fixed to the width direction end of the upper portion 71a of the rubber 71, the first and second connecting plates 112,
An intermediate plate 115 whose both ends are pivotally connected to a support shaft 114 is provided at the other end of the 113.

Both ends of the intermediate plate 115 are the first
Are formed on the disc portion 116 and the second disc portion 117. First disk portion 11 to which first connection plate 112 is connected
6, a first notch 118 is formed in a range of about 75 degrees in the circumferential direction, and a second notch 119 is formed in the vicinity of the second disc 117 in a range of about 90 degrees in the circumferential direction. Are formed.

The first connecting plate 112 is provided with a first engaging shaft 120 which is engaged with the first notch 118, and is provided with a second engaging shaft 120.
The second connecting plate 113 engages with the second notch 119.
Are protruded. First engagement shaft 120
Abuts on one end of the first notch 118 when the intermediate plate 115 is aligned with the first connecting plate 112, and the second engaging shaft 121 is connected to the second connecting plate with the intermediate plate 115. 11
3 is in contact with one end of the second notch 119 in a state where it is slightly tilted counterclockwise.

Therefore, the intermediate plate 115 and the second connecting plate 113 are connected by the first and second engaging shafts 120 and 121 to the first and second cutout portions 118 and 119 as shown by chain lines in the drawing. Until it comes into contact with the other end, it can be rotated clockwise as indicated by the arrow. That is, the intermediate plate 115
Rotates about 75 degrees with respect to the first connecting plate 112, and the second connecting plate 113 rotates about 90 degrees with respect to the intermediate plate 115. Therefore, the sum of the rotation angles of these two is 165 degrees, so that the second connecting plate 113 is rotated at an angle of about 15 degrees with respect to the first connecting plate 112 so as to be almost parallel. Can be done.

Although the details are not shown, the frame 71 of the leaning body 69 using the hinge mechanism 80A is composed of an upper portion 71a and a portion 71b, and the lower portion 71b. A mounting plate 95 to which the upper support 64 is mounted is provided.

The leaning body 69 using the hinge mechanism 80A having the above structure is displaced to the forward position as shown by a chain line in FIG. If the part 71a is folded in a substantially inverted U shape,
The user can use the upper surface as an armrest,
Further, it is possible to lean on the folded leaning body 69 and maintain the posture in which the upper body is raised.

The present invention is not limited to the above embodiments but can be variously modified. For example, the leaning member is divided into two in the width direction of the frame, but one leaning member having substantially the same length as the width of the frame may be provided. Further, when the bed device is of a double size, three or four leaning members may be provided, and the number thereof is not limited at all.

[0041]

As described above, according to the present invention, the upper end of the arm whose lower end is rotatably connected to the frame of the bed within a predetermined range is provided with a halfway portion in the height direction. A leaning body that can be bent from the front is rotatably connected within a predetermined range.

For this reason, the arm is held at a predetermined rotation angle, and the user leans on the leaning body attached to the other end of the arm to easily take a posture in which the upper body is raised. If the above-mentioned leaning body is bent, the upper surface thereof can be used as an armrest.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a leaning body showing one embodiment of the present invention.

FIG. 2 is a side view of the bed device.

FIG. 3 is a perspective view of the same.

FIG. 4 is a sectional view of a connection structure between the attachment and the bed frame.

FIG. 5 is an explanatory view of a connection structure between the attachment and the arm.

FIG. 6 is an explanatory view of a connection structure between the arm and the leaning body.

FIG. 7 is a plan view of the frame of the leaning body.

FIG. 8 is a side view of the hinge mechanism.

FIG. 9 is a side view of a bed apparatus showing another embodiment of the present invention.

FIG. 10A is a front view of the hinge mechanism, and FIG.
Is a side view.

[Explanation of symbols]

1 bed frame, 2 mattress, 51 mounting fixture, 62 arm, 69 leaning body.

Claims (1)

(57) [Claims] 1. A bed apparatus having a frame on which a mattress is placed on an upper surface, wherein: a fitting attached to one end of the frame;
The lower end is rotatably connected to the attachment within a predetermined range, and the upper end of the lower end of the bed frame is rotated by the rotation.
Prescribed along the longitudinal direction above one longitudinal end
The arm that moves within the range described above, and a back side that is formed to be freely bendable in the middle of the height direction and that is rotatably connected within a predetermined range to the upper end located above the mattress of the arm is connected to the rear side. A bed device comprising a leaning body.