JPH08141019A - Nursing care bed - Google Patents

Abstract

PURPOSE: To provide a nursing care bed in which nursing care by manual aid can be reduced and lying down and getting up can be performed by oneself by moving a movable mattress seat to a prescribed position corresponding to a working state and setting a seat back seat horizontally or vertically. CONSTITUTION: When this bed is used as a bed, a body frame 5 is connected to the slidable frame of a bed frame 3, and the seat back seat 21b is brought down, then, the movable mattress seat 21 is set horizontally. Thence, the movable mattress seat 21 is moved on first and second rails 15, 17, and a stopper member 23 is abutted with a stopper 24. Thence, the bed is fixed on the slidable frame by operating a lever. When only the upper half of the body is raised up, a reclining mechanism is operated. When a user moves from a lying state to a wheelchair 4, a lock is released by operating the lever, and a sitting seat 21c is moved to the body frame 5 until a stopper member 25 is abutted with the stopper plate 26 of the body frame 5. Thence, the seat back seat 21b is set at a prescribed angle.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a bedridden person,
The present invention relates to a nursing care bed that enables a person with a disability to wake up easily between a bed and a wheelchair.

[0002]

2. Description of the Related Art In facing an aging society, welfare problems for bedridden elderly people or demented elderly people who need nursing care have become important. Most of the old people who need such care are taken care of by their families at home. Also, officially dispatch home helpers to bathe,
There is a system to take care of meals, etc., and recently, for the bedridden person, we rent a special sleeper that can wake up the upper body, and provide handrails in the corridors, toilets, etc. to live as independent as possible. Is being provided.

[0003]

However, there is a problem that home care by home helpers cannot be adequately dealt with due to lack of personnel. In addition, in the care using the special bed or the like, a large-scale device such as a hydraulic device or an electric motor is required to raise or tilt the bed, and there is a problem that the price increases accordingly.

On the other hand, not only the elderly but also physically handicapped persons and people with disabilities have difficulty in waking up between the bed and the wheelchair. Therefore, it is the fact that they rely on the hands of their families. Is. In this case, it is often the case that the caregiver is an elderly person, or that he / she does not take care of him / her at work, and there is a demand for dealing with this point.

The present invention has been made in view of the above-mentioned conventional circumstances, and provides a care bed having a completely new structure that allows one to wake up alone without requiring a large-scale device or manual care. It is an object.

[0006]

According to the present invention, a bed frame having a substantially rectangular shape is divided into a fixed frame portion and a sliding frame portion on the left and right in the longitudinal direction thereof, and one end portion in the longitudinal direction of the sliding frame portion is provided. A vehicle body frame of a wheelchair is detachably connected to form a bed body, and a first guide rail on which a plurality of guide rollers are pivotally supported is arranged on the upper surface of the sliding frame portion to dispose the bed body. A second guide rail having a plurality of guide rollers pivotally supported on the upper surface is arranged so as to be flush with the first guide rail and positioned on the same line, and a fixed mattress sheet is arranged on the fixed frame portion. A movable mattress which is installed and at least a head seat, a backrest seat, and a seating seat are mutually connected to the sliding frame portion and the first and second guide rails of the vehicle body frame. Place over preparative movably, a nursing bed, characterized in that a reclining mechanism for rotatably supported between a substantially horizontal position and a substantially vertical position the backrest sheet to the movable mattress sheet.

[0007]

In the nursing bed of the present invention, when the person lies on the bed, the backrest sheet of the movable mattress sheet is tilted to the horizontal position, and in this state, the movable mattress sheet is moved onto the first guide rail of the sliding frame portion. As a result, a bed sheet is formed by the movable mattress sheet and the fixed mattress sheet. When moving from a sleeping state to a wheelchair, the movable mattress seat is moved so that its seating seat is located on the second guide rail of the vehicle body frame, and in this state, the backrest seat is raised to the vertical position. . This makes it possible to move freely as a wheelchair.

As described above, according to the nursing care bed of the present invention, the body frame of the wheelchair is detachably connected to the sliding frame portion of the bed frame, and the first frame is erected on the sliding frame portion and the vehicle body frame. , A movable mattress seat including a head seat, a backrest seat, and a seating seat is movably arranged on the second guide rail, and a reclining mechanism is provided on the movable seat, so that the movable mattress seat is moved as described above. Raise the backrest seat,
It can be moved continuously between the bed and the wheelchair simply by tilting it. As a result, even a physically handicapped person or a person with disabilities can easily wake up alone, and the burden of care for the family members can be reduced.

Further, according to the present invention, since the care bed is composed mainly of the guide rail having the guide roller, the movable mattress sheet, and the reclining mechanism, it can be realized without using a large-scale device such as a hydraulic device or an electric motor. That can contribute to lower prices.

[0010]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 6 are views for explaining a nursing bed according to an embodiment of the present invention. FIG. 1 is a plan view of a bed body, FIG. 2 is a sectional side view of the bed body, and FIG. 3 is a bed body. FIG. 4 is a rear view, FIG. 4 is a side view of the wheelchair, FIG. 5 is a perspective view showing the reclining mechanism, and FIG. 6 is a schematic configuration diagram showing the fixing mechanism.

The nursing bed 1 of the present embodiment comprises a rectangular frame-shaped bed frame 3 supported by a plurality of legs 2 standing on the floor surface. The bed frame 3 extends in the longitudinal direction of the bed frame 3.
That is, it is divided into a fixed frame portion 3a and a sliding frame portion 3b on the left and right in the direction in which a person lies. An accommodating portion is provided in a portion of the sliding frame portion 3b where a person's foot is located, and a vehicle body frame 5 of the wheelchair 4 is disposed in the accommodating portion. The body frame 5 and the bed frame 3 form a rectangular bed body 1a.

Front wheels 6 and casters 7 as rear wheels are pivotally supported at the lower end of the vehicle body frame 5, respectively.
A footrest portion 8 is projectingly provided on the front portion of the vehicle body frame 5.
Wheel mounting portions 9 are formed on the left and right side portions of the vehicle body frame 5, and self-propelled auxiliary wheels 11 are detachably mounted on the mounting portions 9 (see FIG. 4).
The auxiliary wheels 11 may be mounted on the vehicle body frame 5 in advance.

The vehicle body frame 5 is detachably connected to the sliding frame portion 3b through a lock mechanism 10.
The lock mechanism 10 includes a striker 10a fixed to the vehicle body frame 5 and a latch 10b fixed to the sliding frame portion 3b. The striker 10b is fixed to the latch 10b.
A is engaged and locked, and the lock is released by rotating the lever 10c.

At both ends of the upper surface of the sliding frame portion 3b, two first guide rails 15 extending in the longitudinal direction thereof are provided.
15 are bridged in parallel and joined. The guide rail 15 has a structure in which a support shaft 15b is fixed at intervals in a rail body 15a having a substantially U-shaped cross section, and a guide roller 16 is rotatably attached to each support shaft 15b via a bearing. A guide portion 15c extending inward is integrally formed on the upper edge of the rail body 15a.

Further, two second guide rails 17, 17 are bridged in parallel and joined to both ends of the upper surface of the body frame 5, and the guide rails 17 are spaced apart from the rail body 17a in the same manner as described above. Open and fix the support shaft 17b,
A guide roller 18 is rotatably attached to each of the support shafts 17b, and a guide portion 17c is integrally formed on the upper edge of the rail body 17a. The second guide rail 17 is located on the same plane and on the same line as the first guide rail 15.

Fixed frame portion 3 of the bed frame 3
A fixed mattress sheet 20 is arranged on a.
A movable mattress sheet 21 is arranged on the sliding frame portion 3b. A handrail 12 is connected and fixed to the left side of the sliding frame portion 3b of the bed frame 3.

The movable mattress seat 21 includes a head seat 21a, a backrest seat 21b, and a seating seat 21.
c and the footrest sheet 21d are connected to each other. Each of these seats 21a to 21d is formed by attaching a cushion material to a seat frame, and a hand rail 28 is retractably stored on the back surface of the back seat receipt 21b. Further, rails 22a to 2 having a hat-shaped cross section are provided at both ends of the seat frame rear surface of each of the seats 21a to 21d.
It is attached and fixed so that 2d is located on the same line.

The rails 22a to 22d are the guide rollers 16 of the first and second guide rails 15 and 17, respectively.
It is rotatably rotatably mounted on 18. In addition, each rail 2 above
The guide rails 15 and 1 are provided on the outer surfaces of 2a to 22d.
The guide portions 15c and 17c of 7 contact with each other, whereby the movement of the movable mattress sheet 21 in the left-right direction is restricted.

Left and right rails 22a of the head seat 21a
A stopper member 23 made of rubber or the like is attached between them. The stopper member 23 is the sliding frame portion 3b.
By contacting the stopper plate 24 formed at the front end of the movable mattress sheet 21, the movement of the movable mattress sheet 21 is regulated.
A stopper member 25 is also mounted between both rails 22c of the seat 21c, and the stopper member 25 contacts a stopper plate 26 formed on the vehicle body frame 5 to move the seat 21c. Is regulated.

Further, as shown in FIG. 6, a fixing mechanism 30 is arranged on the left side of the seat 21c. The fixing mechanism 30 causes the wire 30 to move when the lever 30a is pulled up.
The engaging portion 30c connected to b is engaged and locked with the lock portion 30d of the guide rail 17, and the lock is released when the button 30e of the lever 30a is pushed, whereby the seat 21c is seated. It is adapted to be detachably fixed to the vehicle body frame 5. Further, the lock portion 30d is also arranged on the sliding frame portion 3b, and in this case as well, the lock portion 30d is detachably fixed in the same manner as described above.

The head seat 21a is movably connected to the backrest seat 21b through an advancing / retreating mechanism 31. The footrest seat 21d is rotatably connected to the seat 21c via a hinge 32. The backrest seat 21b is rotatably supported by a reclining mechanism 35 between a horizontal position and a substantially vertical position, as shown in FIG. This reclining mechanism 3
Reference numeral 5 has a coil spring 36 that constantly urges the backrest seat 21b in the upright direction, and a sector gear 37 that locks the seat 21b at an arbitrary inclination angle.
When 8 is pulled up, the sector gear 37 is unlocked, and the spring 36 urges the backrest seat 2
1c gets up. Then, the inclination angle of the backrest seat 21c is set, and when the operation knob 38 is pulled down in this state, the sector gear 37 is locked.

Next, a method of using the care bed 1 of this embodiment will be described. First, to use as a bed, the body frame 5 is connected to the sliding frame portion 3b, and the backrest seat 21b is tilted down to bring the movable mattress seat 21 into a horizontal state. Next, the movable mattress sheet 21 is first and until the stopper member 23 of the movable mattress sheet 21 contacts the stopper plate 24.
The second guide rails 15 and 17 are moved, and when they abut, the lever 30a is pulled up and fixed to the sliding frame portion 3b. Thus, the fixed mattress sheet 20 and the movable mattress sheet 21 form a wide bed. When the movable mattress sheet 21 is moved by one person, it can be easily moved by using the handrail 12.

When only the upper body is raised from the state of sleeping on the bed, the operation knob 38 of the reclining mechanism 35 is used.
By pulling up, the backrest seat 21b rises together with the head seat 21a. In this way, meals and the like can be taken.

Next, in order to move from the sleeping state to the wheelchair 4, the button 30e of the lever 30a is pushed to release the lock, and the seat seat 21c is stopped by the stopper member 25 of the seat seat 21c hitting the stopper plate 26 of the vehicle body frame 5. The lever 30a is pulled up and fixed to the vehicle body frame 5 at the time of contact. In this state, the backrest sheet 21b is raised and set at an arbitrary angle. And lock mechanism 1
The wheelchair 4 can be freely moved by rotating the lever 10c of 0 to open the vehicle body frame 5. When moving in the wheelchair 4, the handrail 28 stored in the backrest seat 21b may be raised to be pushed by the caregiver, or the auxiliary wheel 11 may be attached to move the vehicle by itself. In this case, the footrest seat 21d may be positioned in front of the vehicle body frame 5 or may be removed. When moving to the wheelchair 4, it is possible to raise the backrest seat 21c first and then move to the vehicle body seat 5.

Then, when returning to the bed, the vehicle body frame 5 is moved to the storage portion of the sliding frame portion 3b and locked. After this, as described above, the backrest seat 21b is tilted down and placed on the first guide rail 15, and the rail 15
Move up. Here, since the vehicle body frame 5 is locked by the lock mechanism 10 and is positioned at the corner portion between the back surface of the sliding frame portion 3b and the side surface of the fixed frame portion 3a, when the backrest seat 21c is tilted. The guide rail 15 will not be displaced and will not come off.

As described above, according to the nursing care bed 1 of this embodiment, the sliding frame portion 3b of the bed frame 3 is detachably connected to the sliding frame portion 3b through the lock mechanism 10.
b, and the first and second guide rails 15 and 17 having the guide rollers 16 and 18 arranged on the vehicle body frame 5,
A movable mattress seat 21 including a head seat 21a, a backrest seat 21b, a seating seat 21c, and a footrest seat 21d is movably arranged on the guide rails 15 and 17, and a reclining mechanism 35 is provided on the backrest seat 21b. Therefore, the movable mattress sheet 21
Can be continuously moved between the bed body 1a and the wheelchair 4 simply by moving the sliding frame portion 3b and the vehicle body frame 5 to raise or lower the backrest seat 21b. Even a physically handicapped person or a person with disabilities can easily wake up alone, and the burden of home helpers and family members can be reduced.

Further, in this embodiment, without using a large-scale device such as a conventional hydraulic device or electric motor,
It can be realized with a simple structure, and the cost can be reduced and the price can be reduced.

The care bed 1 of the present invention can be provided with various functions depending on the situation and conditions of the user. For example, an elevating device that can adjust the height of the bed frame 3 may be provided, or the guide roller may be driven by an electric motor or the like to move the movable mattress sheet by power. Further, the seating seat of the vehicle body frame may be rotationally driven.

[0029]

As described above, according to the nursing care bed according to the present invention, the bed body is constructed by detachably connecting the body frame of the wheelchair to the sliding frame portion of the bed frame,
A first guide rail having a plurality of guide rollers rotatably supported on the upper surface of the sliding frame portion, and a second guide rail having a plurality of guide rollers rotatably supported on the upper surface of the vehicle body frame are arranged so as to bridge each other. A fixed mattress seat is disposed on the fixed frame, and at least a head seat, a backrest seat, and a seat seat are connected to each other on the sliding frame portion and the first and second guide rails of the vehicle body frame. Since the movable mattress sheet is movably arranged and the reclining mechanism is provided on the backrest sheet, it is possible to wake up alone without the need for a large-scale device or manual care.

[Brief description of drawings]

FIG. 1 is a plan view illustrating a care bed according to an exemplary embodiment of the present invention.

FIG. 2 is a sectional side view of the bed of the present embodiment.

FIG. 3 is a rear view of the bed of the present embodiment.

FIG. 4 is a side view of the wheelchair of this embodiment.

FIG. 5 is a perspective view showing a reclining mechanism of the present embodiment.

FIG. 6 is a schematic configuration diagram showing a fixing mechanism of the present embodiment.

[Explanation of symbols]

 1 Nursing Bed 1a Bed Main Body 3 Bed Frame 3a Fixed Frame Part 3b Sliding Frame Part 4 Wheelchair 5 Body Frame 15 First Guide Rail 16, 18 Guide Roller 17 Second Guide Rail 20 Fixed Mattress Seat 21 Movable Mattress Seat 21a Head Seat 21b Backrest seat 21c Seating seat 35 Reclining mechanism

Claims (1)

[Claims] 1. A bed frame having a substantially rectangular shape is divided into a fixed frame portion and a sliding frame portion on the left and right in the longitudinal direction thereof, and a vehicle body frame of a wheelchair can be engaged with and disengaged from the longitudinal one end of the sliding frame portion. To form a bed main body, and a first guide rail having a plurality of guide rollers pivotally supported is arranged on the upper surface of the sliding frame portion, and the plurality of guide rollers are provided on the upper surface of the body frame. The supported second guide rails are arranged so as to span the same plane as the first guide rails and to be located on the same line, and the fixed mattress sheet is arranged in the fixed frame portion, and the sliding frame is also provided. Part, at least a head seat, a backrest seat, on the first and second guide rails of the body frame,
A movable mattress seat formed by connecting seating seats to each other is movably arranged, and a reclining mechanism for rotatably supporting the backrest seat between the substantially horizontal position and the substantially vertical position is provided on the movable mattress seat. A nursing bed characterized by that.