JPH10201797A - Nursing bed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable an old person or a patient to be moved between rooms safely and quickly as he or she remains in bed (in a state of lying in bed). SOLUTION: This bed is provided with plural main frames 1, 2, 3, 4 mutually supported freely turnably with hinge members H, side frames 5, 6, 7, 8 also supported freely turnably on both sides of the main frames, and plural base frames that support the main frames 1, 2, 3, 4 and that are mutually expandable or contractible when the main frames are put together into a bed form or a chair form. In addition, the base frames are supported by casters K1, K2 so as to make the bed movable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nursing care bed which is used for nursing care of an elderly or sick person and enables the elderly or sick person to move between rooms while lying down.

[0002]

2. Description of the Related Art In general, nursing beds used for nursing the elderly or the like generally have a distance between pillars (frontage) of a building such as a house of about 9 mm.
Since it is set to 00 mm, it cannot move between rooms.

[0003] Therefore, when an elderly person or the like moves between rooms, it is necessary to step down from the nursing care bed, change to a wheelchair or a nursing car, and transfer to the nursing bed again in the moved room. I have.

[0004]

However, the transfer of the elderly or the sick to the nursing care bed, wheelchair, and nursing car places an extremely large physical burden on the nursing care assistant, and the nursing assistant suffers a backache. And other issues were occurring.

The present invention has been made to solve the above-mentioned problem, and can move between rooms safely and promptly while an elderly or sick person is lying on a bed (down). It is an object of the present invention to provide a nursing bed that can be moved between rooms more freely by using it as a wheelchair.

[0006]

To achieve the above object, a nursing care bed according to the present invention comprises a plurality of main frames rotatably supported by hinge members, and each of these main frames. A side frame rotatably supported on both sides of the base frame; and a plurality of gantry frames supporting the main frame and extending and contracting with each other when the main frame is formed into a bed form or a chair form. The frame is supported by a caster so that it can run.

In the nursing care bed according to the second aspect of the present invention, the rotation of the side frame is interlocked with the rotation of the main frame.

In the nursing care bed according to the third aspect of the present invention, the rotation of the side frame and the main frame and the expansion and contraction of the gantry frame are performed by one electric actuator.

In the nursing care bed according to a fourth aspect of the present invention, the plurality of main frames are a main back frame, a main seat frame, a main leg frame and a main foot frame which are hinged to each other. is there.

[0010] In the nursing care bed according to the invention of claim 5, a backboard frame is erected at one end of the gantry frame.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. 1 and 2 are conceptual views showing the entire care bed of the present invention. FIG. 1 shows a usable state as a care bed, and FIG. 2 shows a usable state as a chair. FIGS. 3 and 4 are side views showing the use state as a bed and the use state as a chair in detail.

In FIG. 1, reference numerals 1, 2, 3, and 4 denote a main back frame, a main seat frame, a main leg frame, and a main foot frame, respectively, as a main frame on which a mat is placed. FIG.
As shown in the figure above (two each here)
For example, it is rotatably connected by a hinge member H called a hinge.

The main foot frame 4 is provided with bendable foot support wheels C1 at left and right portions and fixed foot support wheels C2 at other left and right portions.

As shown in FIGS. 2, 4 and 6, the main rear frame 1 rises up in the chair state, and the main seating frame 2 functions so that the front part of the seating surface is slightly pushed up in the chair state. I do. Further, the main leg frame 3 is folded down in the chair state, and the main leg frame 4 is retracted in the chair state and moves to a position where a foot can be placed.

The foot support wheel C1 contacts the installation surface in the bed state to prevent the bed from tipping over, and the foot support wheel C2 contacts the installation surface in the chair state to prevent the bed from falling. Functions to prevent.

Each of the main frames 1, 2, 3, 3
A plurality of side frames as shown in FIG. These side frames bend in the left and right directions when placed in a chair state in the frame to which the mat is attached, and have a width smaller than the mat receiving surface at the time of bed, thereby enabling movement between rooms. These side frames are left and right side rear frames 5, side seat frames 6, side leg frames 7, and side foot frames 8, which are located on the side edges of the main frames 1, 2, 3, and 4, respectively. The hinge member H is connected to bend (rotate) freely.

That is, the left and right side rear frames 5
2 is bent downward in the chair state, and the left and right side seat frames 6 function to bend upward in the chair state. Also, left and right side leg frames 7
Is bent downward in the chair state, and the left and right side foot frames 8 function to bend upward in the chair state.

The main rear frame 1, the main seat frame 2, the main leg frame 3 and the main foot frame 4 are supported by a gantry frame.
It is configured as shown in FIGS. 9, 10, and 11.

That is, reference numeral 11 denotes a first slide frame constituting the gantry frame. Casters K1 are attached to left and right portions in front of the frame, and the first slide frame 11 supports the main leg frame 3 and the second slide frame 12. Further, the second slide frame 12 supports the main rear frame 1 and the main seat frame 2 and also supports the third slide frame 13, and holds an electric actuator described later.

The third slide frame 13 is
The casters K2 are attached to the left and right rear portions, respectively, and hold the fourth slide frame 14. The fourth slide frame 14 holds a backboard frame 15 at the rear end. Here, the casters K1,
K2 is used for movement in the chair state and movement of the first slide frame 11 when changing the state of the bed and the chair. Further, the backboard frame 15 is a portion for supporting the backboard at the time of bed and a part where the caregiver presses the bed at the time of chair state. A gap is provided between the backboard and the upper part of the backboard frame 15.

The electric actuator 16 comprises a motor 17 and an extruding shaft 18 driven by the motor 17 as shown in FIGS. 12 and 13, which is attached to the second slide frame 12 via a link. By using the rotation of the electric actuator 16, the pushing shaft 18 is expanded and contracted to move the slide frame 12 and the corresponding main frame.
That is, the motor 17 rotates the shaft by electric power, and expands and contracts the extrusion shaft Q. The pushing shaft 18 moves various link parts by expansion and contraction.

These link portions are composed of a main frame link, a slide frame link, a side frame link, and the like. The main frame link transmits the driving force of the electric actuator 16 to each of the main frames to bend each other. Or the foot support wheel C1 is moved. In addition, the slide frame link supports the electric actuator 16 to connect to the main frame and to expand and contract the slide frame. Further, the side frame link expands and contracts the side frame.

Next, the operation will be described. The main rear frame 1 is provided with a pushing shaft 18 of the electric actuator 16.
The link 21 connected by the hinge member H is pushed up by the extension of the pushing shaft 18. By this lifting, the main rear frame 1 is raised while being rotated about a hinge member H provided on a bracket 22 protruding from the second slide frame 12 as shown in FIG.

The main seat frame 2 is provided with a link 2
1 is supported by a link 24 connected via a hinge member H, and the main leg frame 3 is folded down. In particular, the bracket 22 protruding from the second slide frame 12 is centered on the hinge member H via the hinge member H. And the front part of the seat is slightly pushed up as shown in FIG.

On the other hand, the main leg frame 3 is
The link 25 is connected to a link 26 projecting from the first slide frame 11 via a hinge member H, and the first slide frame 11 moves as shown in FIG. The hinge member H that is connected to the surface frame 2 is folded down about a fulcrum.

The main foot frame 4 is provided with a link 27.
As shown in FIG. 4, it is supported and bent around the hinge member H connecting the main leg frame 3 and the long link 29 connected to the link 28 integral with the main seat frame 2.

The foot support wheel C1 is connected to the main foot frame 4 via a link 30 and a hinge member H, and further via links 31 and 32 connected to the main foot frame 3. Linked by the hinge member H, the link 30a is pulled together with the bending of the main leg frame 3, and the foot support wheel C1 is bent with respect to the link 30 as shown in FIG.

Next, the operation of the side frame will be described.
First, as shown in FIG. 2, the left and right side rear frames 5 are pulled through a pair of links 41, 43, and 44 as shown in FIG. It breaks down. That is, the link 43 guided by the left and right slide guides 46 and the link 44 guided by the slide guide 47 are pulled by the link connected to the second slide frame 12, so that the link 41 is pulled and Back frame 5
Is folded down.

The side seat frame 6 is bent upward when the link 48 connected to the main seat frame 2 by the hinge member H is pushed by the link 49. Therefore, the link 51 connected via the left and right slide guides 50 and the link 24 connected thereto via the slide 52 are pulled by the link 21 so that the link 49 is pulled and The seat frame 6 will be folded upward.

Further, the side leg frame 7 is folded down by the link 54 connected to the main leg frame 3 by the hinge member H being pushed in by the link 54. The link 56 guided by the left and right slide guides 55 and the link 58 guided by the slide 57 are pulled by the link 59 connected to the main foot frame 4 via the hinge member H.
The link 54 is pulled, and the side leg frame 7 is folded down.

The side foot frame 8 is folded upward by the link 61 being pushed by the link 61 connected to the main foot frame 4 by the hinge member H. That is, the link 63 guided by the left and right slide guides 62 is pulled through the hinge member H by the link 65 guided by the slide guide 64 by the link 66 connected to the main leg frame 3, The link 61 is pulled, so that the side foot frame 8 is folded up.

On the other hand, the first slide frame 11 has a link 21 connected to a push shaft 18 of the electric actuator 16 via a hinge member H, and the push shaft 18
The link 71 is connected to the middle of the link 21 via the hinge member H, and is pulled up via the link 72 connected via the hinge member H. The frame 11 and the second slide frame 12 are reduced.

On the other hand, the second slide frame 12 and the third slide frame 13 are slidably contacted. The electric actuator 16 pushes up the link 21 connected to the pushing shaft 18 by the extension of the pushing shaft 18, whereby the main rear frame 1 rises,
Links 73 connected to the main rear frame 1
Via a link 74 connected by a hinge member H to the link 7
5 pulls the third slide frame 13. Thereby, the third slide frame 13 is reduced to the second slide frame 12 side.

Further, the third slide frame 13 and the fourth slide frame 14 are slidably contacted.
Then, the link 21 connected to the pushing shaft 18 of the electric actuator 16 is pushed up by the extension of the pushing shaft 18, whereby the main rear frame 1 is raised, and the link 73 connected to the main rear frame 1 is hinged to the link 73. Links 74 connected by H
A link 75 connected to the third slide frame 13 by a hinge member H pulls the third slide frame 13 and is connected to a link 76 connected to the link 74 via the hinge member H via the hinge member H. The fourth slide frame 14 is pulled through the link 77 provided. Thereby, the fourth slide frame 14 can be contracted toward the third slide frame 13.

The fourth slide frame 14 holds the backboard frame 15 upright, and the entire bed can be moved by pushing the upper portion of the backboard frame 15 by hand.

[0036]

As described above, according to the first aspect of the present invention, a plurality of main frames rotatably supported by the hinge member, and rotatable on both sides of each main frame. And a plurality of gantry frames that support the main frame, and extend and contract with each other when these main frames are made into a bed form or a chair form, and the gantry frame can be run by casters. Because it was configured to support,
The effect of being able to move between rooms safely and promptly while the elderly or sick are lying on a bed (downturned), and to be able to move between rooms more freely by using it as a wheelchair if necessary Is obtained.

According to the second aspect of the present invention, the rotation of the side frame is interlocked with the rotation of the main frame. The advantage is obtained that the power source can be used at the same time and with a low cost configuration.

According to the third aspect of the present invention, since the rotation of the side frame and the main frame and the expansion and contraction of the gantry frame are performed by one electric actuator, it can be used in a bed form and a chair form. Can be realized with a simple configuration at a low cost.

According to the fourth aspect of the present invention, the plurality of main frames are a main rear frame, a main seat frame, a main leg frame, and a main foot frame which are hinged to each other. ,
Each of these frames can be folded and unfolded to easily form a bed or chair,
An effect is obtained that a bed that also serves as a chair can be realized with a simple and low-cost configuration.

According to the fifth aspect of the present invention, since the backboard frame is erected at one end of the gantry frame, the entire bed can be easily moved by pushing the backboard frame by hand. The effect that can be obtained is obtained.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram showing a care bed according to an embodiment of the present invention.

FIG. 2 is a conceptual diagram when the nursing bed in FIG. 1 is used as a chair.

FIG. 3 is a side view showing details of a care bed in FIG. 1;

FIG. 4 is a side view when the nursing bed in FIG. 3 is in the form of a chair.

FIG. 5 is a side view showing the main frame in FIG. 1;

FIG. 6 is a side view when the main frame shown in FIG. 5 is in the form of a chair.

FIG. 7 is a plan view showing a main frame and side frames in FIG. 5;

FIG. 8 is a side view showing the gantry frame in FIG. 1;

FIG. 9 is a plan view of the gantry frame shown in FIG. 8;

FIG. 10 is a side view showing a state where the gantry frame in FIG. 1 is contracted.

FIG. 11 is a plan view of the gantry frame shown in FIG.

FIG. 12 is a side view showing a relationship between the electric actuator and the main frame in FIG. 1;

FIG. 13 is a side view showing the relationship between the electric actuator and the gantry frame in FIG. 1;

FIG. 14 is a side view showing a driving structure of a side frame according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main back frame (main frame) 2 Main seat frame (main frame) 3 Main leg frame (main frame) 4 Main foot frame (main frame) 5 Side back frame (side frame) 6 Side seat frame (side frame) 7) Side foot frame (side frame) 8 Side foot frame (side frame) 11 First slide frame (gantry frame) 12 Second slide frame (gantry frame) 13 Third slide frame (gantry frame) 14 Fourth slide frame (Base frame) 15 Backboard frame 16 Electric actuator H Hinge member K1, K2 Caster

Claims (5)

[Claims] 1. A plurality of main frames rotatably supported by hinge members, side frames rotatably supported on both sides of each of the main frames, and supporting the main frames. A nursing bed comprising: a plurality of gantry frames which are mutually expandable and contractable when these main frames are made into a bed form or a chair form; 2. The care bed according to claim 1, wherein the rotation of the side frame is interlocked with the rotation of the main frame. 3. The nursing care bed according to claim 1, wherein the rotation of the side frame and the main frame and the expansion and contraction of the gantry frame are performed by one electric actuator. 4. The care bed according to claim 1, wherein the plurality of main frames are a main back frame, a main seat frame, a main leg frame, and a main foot frame which are hinged to each other. . 5. The nursing care bed according to claim 1, wherein a backboard frame is provided upright at one end of the gantry frame.