JPH045460B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a multi-functional bed device used mainly by people with limited mobility.

[Prior Art] Conventional bed devices used by people with limited mobility are constructed so that they can be bent with respect to the floorboard so that the back part of the floorboard that supports the mat serves as a backrest. . In addition, by raising the back of the floorboard of this type of conventional bed device, it is possible to raise the upper body of the body to eat, watch TV, and easily perform other activities that are difficult to do while lying down. It is possible.

In addition, conventional bed devices do not simply raise the back part, but the floor plate of the bed device is divided into three parts: the back part, the seat part, and the leg parts, and it is possible not only to raise the back, but also to raise the waist and lower the legs. As, Utsukai 62-
No. 32524, Utility Model Application No. 1987-39722 and Utility Model Application No. 1987-
Publication No. 42029 is known.

Furthermore, there are bed devices disclosed in Japanese Patent Application No. 01-133853 and Japanese Patent Application No. 01-133854 by the applicant. According to this bed device, the floorboard can be moved up and down freely, so by attaching side rails and hanging hanging belts or turning sheets on the side rails, it is easy to change futons and sheets and turn over. In addition,
By dividing the floorboard into three parts and changing the shape of the floorboard, it is possible not only to create a chair-like or low-floor state, but also to make it possible to take a bath by hanging bath sheets on the aforementioned side rails.

[Problem to be solved by the invention]

However, in the conventional example described above, although it is convenient for people with limited physical freedom to eat, watch TV, and use the toilet, it is difficult to change sheets, change clothes, and turn around in bed. It is difficult to transmit. Therefore, if a person who is physically incapacitated performs these movements, it may place a large burden on the caregiver and result in great pain.

In addition, the present applicant's bed device (patent application No. 01-
133853, Japanese Patent Application No. 01-133854), the above-mentioned inconveniences can be almost eliminated, but people with limited physical freedom cannot operate the device themselves to satisfy various functions. The major inconvenience is that the care must be performed by the caregiver. Of course, there are people who are completely unable to use their bodies, and those who have to take care of things like bathing, but people who have some degree of physical freedom can make the floorboards into the shape of a chair or make them low. It was also difficult to perform such operations.

Therefore, the present invention has been made in view of the above circumstances, and allows people with limited physical freedom to change their sheets and futons, change their clothes, turn over in bed, take a bath, etc. without imposing great pain on the person who cannot move freely and without imposing a large burden on the caregiver. It is an object of the present invention to provide a bed device that can be easily operated and allows anyone other than a completely disabled person to perform the above-mentioned operations themselves to some extent.

[Means to solve the problem]

In order to solve the above problems, the bed device of the present invention includes a main body frame, a side rail detachably provided approximately parallel to the longitudinal direction of the main body frame, and one or more hangings detachably provided on the side rail. a level, a floor plate located above the main frame and divided into three parts, a leg part, a seat part, and a back part, each of which is rotatably connected to each other; one and the other support arms rotatably attached between the main body frame; and a seat extension device rotatably attached between the seat and the main body frame and capable of extending and contracting. , a back extension device rotatably attached between the back and the body frame and extendable; one end rotatably attached between the legs and the body frame, and the other end rotatable to each other; A leg side link and a frame side link that are movably connected, a leg extension device that is rotatably attached between the connecting point of both links and the main body frame, and that is capable of extending and contracting; and a control device that changes the shape, and the control device is configured to change the shape to any one of a chair, a bath, a low floor, and an origin state.
It consists of an operation command section that selects and gives commands, and a control section that operates each of the telescoping devices to realize the selected state according to the commands.

It is also a good idea to provide removable bathing sheets on the side rails.

Furthermore, it is a good idea to provide removable sheets for turning around on the side rails.

[Function] According to the bed device configured as described above, when one of the floor board formats of chair, bath, low floor, and origin is selected and the operation command section of the control device is started, the control section instructs each expansion/contraction device. In response to this instruction, each telescoping device expands and contracts and stops at a predetermined position, and the floorboard assumes the selected form. Then, attach the side rails to the main body frame with the floorboard as the origin, pass the necessary number of suspension belts between the floorboard and the person who is sleeping on the floorboard, and connect both ends of this suspension belt to the siderails. Once you arrive at the station, set the control device so that the floorboards are low and start them. Each telescoping device will expand and contract, moving the floorboards downward to achieve a low floor, and the person will be suspended in the air on the suspension belt. Become.

Also, if you pass a bathing sheet between the suspension belt and the floorboard while suspended in the air, and set the control device so that the floorboard is in its normal state, that is, the floorboard is in the horizontal and highest state, then start. Each telescoping device telescopes. After that, move the floorboard upwards to release the suspended state, attach both ends of the bathing sheet to the side rails, remove the suspension belt, set the control device so that the floorboard is in the bathing state, and start. , each telescoping device expands and contracts to transform the floorboard into a form convenient for bathing, and by pouring hot water into the bathing sheets, a person can take a bath.

Furthermore, a sheet for turning over is passed between the suspension belt and the floorboard, and the floorboard is moved upward to release the suspended state. Place one end of the sheet for turning around on the side rail with one end taut and the other end slack, fix the sheet for turning over on the floorboard in the position that is spread over the human body, remove the hanging belt, and make sure that the floorboard is low. If the control device is set and started in such a manner, each telescoping device will expand and contract and move the floorboards downward, allowing the person to turn over in bed.

〔Example〕

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a front view of the bed device of the present invention, FIG. 2 is a plan view of the bed device, FIG. 3 is a side view of the bed device, FIG. 4 is a sectional view showing the seat extension/contraction device, and FIG.
The figure is a schematic diagram of the control device. In the drawing, 1
indicates a bed device, and the bed device 1 is divided into three parts: a main body frame 2, a leg part 3, a seat part 4, and a back part 5, which are located above the main body frame 2 and are rotatably connected to each other. A floorboard 6, front and rear support arms 7 and 8 that support the floorboard 6 and are rotatably attached between the seat 4 and the main body frame 2 of the floorboard 6, and the seat 4 and A seat extension/contraction device 9 rotatably attached between the main body frame 2 and capable of telescopic operation; and a back extension/contraction device rotatably attached between the back 5 and the main body frame 3 and capable of telescopic operation. 10, a leg side link 11 and a frame side link 12, each of which has one end rotatably attached between the leg 3 and the main body frame 2 and whose other end is rotatably connected to each other; Connection point 13 of links 11 and 12
and a leg extension/contraction device 14 rotatably attached between the main body frame 2 and capable of telescoping operation; a control device 15 for instructing the extension/contraction state of each of the telescoping devices to change the shape of the floorboard 2; It becomes a constituent element.

The main body frame 2 is strongly assembled into a rectangular shape, and four casters 16 are attached to the back surface thereof, making it movable. Four pipes 18 are erected on the main body frame 2 so that the side rails 17 can be attached or detached.

The floorboard 6 is divided into three parts, the leg part 3, the seat part 4, and the back part 5, as described above. The legs 3 and the seat 4 and the seat 4 and the back 5 are rotatably connected by pins 19 and 20 with predetermined gaps 6a and 6b. Further, a bed board 21 is detachably attached to the back portion 5.

The front support arm (one support arm) 7 is
It is assembled into a rectangular shape by pipes, and one end is rotatably attached by fulcrum parts 22, 22 fixed to the back surface of the seat part 4, and the other end is attached by fulcrum parts 23, 23 fixed to the main body frame 2. It is attached so that it can rotate freely. Further, the rear support arm (the other support arm) 8 is configured similarly to the front support arm 7 described above.

The seat extension/contraction device 9 is rotatably attached at one end to a fulcrum part 24 fixed to the back surface of the seat part 4, and rotatably mounted at the other end by a fulcrum part 25 fixed to the main body frame 2. The seat section 4 is attached to the seat section 4 and moves the seat section 4 in the vertical direction by performing an expansion and contraction operation.

That is, as shown in FIG.
is rotatably attached to the rotating shaft 28 of the aforementioned fulcrum portion 25, and a worm gear 29 is attached to the motor shaft 26a of the motor 26.

This worm gear 29 meshes with a worm wheel 31 of a threaded portion 30. This screw part 30
, one end of the pipe 32 is fixed to the mounting part 27,
A square screw 33 is provided through the axial center of the worm wheel 31 . The tip end of this square screw 33 is screwed into a nut portion 35 of a moving nut 34.
On the other hand, the base end side of the square screw 33 is pivotally supported by radial bearings 36 and 37 attached to the mounting portion 27, and furthermore, a thrust bearing 3 for receiving the thrust load from the moving nut 34 is provided.
8 is provided between the mounting portion 27 and the radial bearing 36.

The moving nut 34 has a pipe portion 39, one end of which is integrally molded with the nut portion 35, and the other end of which is rotatably attached to the fulcrum portion 24. The movable nut 34 is adapted to extend and contract as the square screw 33 of the threaded portion 30 rotates. Then, the degree of this expansion and contraction movement, that is,
A position detection sensor 40 for detecting the moving position of the moving nut 34 is provided on the pipe 32 of the threaded portion 30.

The back extension/contraction device 10 is rotatably attached at one end to a fulcrum part 41 fixed to the back surface of the back part 5, and rotatably attached to the other end by a fulcrum part 42 fixed to the main body frame 2. It is attached and expands and contracts to move the back 5 in the vertical direction. This back extension and contraction device 10 is
Since the configuration is the same as that of the seat expansion/contraction device 9 described above, detailed explanation thereof will be omitted.

The leg side link 11 is rotatably attached by a fulcrum 43 fixed to the back surface of the leg 3, and the frame side link 12 is attached to the main body frame 2.
It is rotatably attached by a fulcrum part 44 fixed to. The leg side and frame side links 11 and 12 are rotatably attached to the connecting point 13 as described above, and one end of the leg extension/contraction device 14 is rotatably attached to the connecting point 13, The other end is rotatably attached to the main body frame 2 by a fulcrum portion 45 fixed to the main body frame 2. Therefore, when the leg extension/contraction device 14 performs an extension/contraction operation, the leg 3 moves up and down and performs various other movements. This leg extension/contraction device 14 has the same configuration as the seat extension/contraction device 9 described above, so a detailed explanation thereof will be omitted.

As shown in FIG. 5, the control device 15 includes an operation command section 46, a control section 47, and a power switch 48.
are electrically connected to each other. The operation command unit 46 is composed of a chair selection switch 49, a bath selection switch 50, a low floor selection switch 51, and an origin selection switch 52, and is used to create a control program. The control unit 47 is
A control circuit is created according to the program instructed by the operation command section 46, and a signal is output to control each expansion and contraction device 9, 1.
0 and 14 are operated based on that signal.

The control unit 47 of the control device 15 is electrically connected to the seat extension/contraction device 9 and the position detection sensor 40, the back extension/contraction device 10 and the position detection sensor 53, and the leg extension/contraction device 14 and the position detection sensor 54, respectively. There is.

The side rail 17 is made by assembling pipes in the shape of a torii gate and inserting a U-shaped pipe 17a.
It is fixed by inserting the leg 17b into 8.

Next, a method of using the bed device 1 having the above structure will be described.

In the bed device 1 of the present invention, the shape and position of the floorboard 3 can be changed in various ways by selecting the selection switches 49, 50, 51, and 52 of the operation command section 46 of the control device 15.

In order to lower the bed device 1 from the original position shown in FIGS. 1 and 7 to the lowest position as shown in FIG. , the low floor selection switch 51 of the operation command section 46 is selected and turned on. Proceeding to step 2, the expansion/contraction state of each of the telescoping devices 14, 9, and 10, that is, the current position of each moving nut 34, is confirmed, and the process proceeds to step 3. In step 3, each telescoping device 14, 9, 10 is connected to G,
The control unit 47 sends a signal to each telescoping device 14, 9, 10 so that the telescoping devices 14, 9, and 10 are in position E and C, and step 6
Then, each motor 26 is driven to extend and retract each moving nut 34, and the process advances to step 7.

In step 7, the position detection sensors 54, 40, and 53 detect that the moving nuts 34 have expanded and contracted to positions G, E, and C, respectively, and the detection is sent to the control section 47, and the process proceeds to step 8. Step 8
At this point, a stop signal is output from the control section 47 to stop each motor 26, and as shown in FIG.
becomes low-lying.

Next, when attempting to return to the origin, that is, to achieve the state shown in FIG. 7, proceed to step 9 and turn on the origin selection switch 52 of the operation command section 46. Proceed to step 10 and check each position detection sensor 5.
Confirm the position at steps 4, 40, and 53, and proceed to step 11. In step 11, each telescoping device 14, 9,
10 to positions F, D, and C, respectively, and drives each motor 26 to extend and contract each moving nut 34. When each moving nut 34 extends and contracts to a predetermined position, step 12, a stop signal is issued from the control section 47 to stop each motor 26, and the bed device 1 returns to its origin as shown in FIG.

Furthermore, in order to change the floorboard 6 from the state shown in FIG. 7 to the chair shape shown in FIG. good. That is, proceed to step 2 and connect each telescopic device 14, 9, 1.
After confirming the expanded/contracted state of 0, that is, the current position of each moving nut 34, proceed to step 3. In step 3, the control section 47 sends a signal to each telescopic device 14, 9, 10 so that the telescopic device 14, 9, 10 is in the H, E, A position, respectively. The motor 26 is driven to extend and retract each moving nut 34, and the process proceeds to step 7. In step 7, the position detection sensors 54, 40, and 53 detect that the moving nuts 34 have expanded and contracted to positions G, E, and C, respectively, and the control unit 4
7, and the process proceeds to step 8, where a stop signal is output from the control section 47 to stop each motor 26, and the bed device 1 becomes in the chair state as shown in FIG.

Next, when it is desired to lift the person M, the side rail 17 is first fixed by inserting the leg portion 17b of the side rail 17 into the pipe 18 erected on the main body frame 2. Next, Fig. 10, Fig. 11,
As shown in FIG. 12A, a hanging belt 56 is passed between the person M and a mat or futon bed sheet spread on the floorboard 6 (neither of which is shown). The suspension belt 56 is composed of a belt 57 and fixing jigs 58 attached to both ends of the belt 57. In the example shown in FIG. 10, four hanging belts 56 are passed through, and fixing jigs 58 at both ends of the hanging belts 56 are hung on the side rails 17. Then, the low floor selection switch 5 of the operation command section 46 of the control device 15
1 is turned on and the floorboard 6 is lowered to the lowest position as described above, the person M becomes suspended by the suspension belt 56 as shown in FIG. 12B. When person M is in this state, it is easy to change sheets and futons, and change person M's pajamas and underwear. Further, it is also possible to easily place a toilet bowl on the floorboard 6 so that the person M can relieve himself or change diapers. Furthermore, it is possible to easily prevent and treat bedsores of the person M.

Next, after the above-mentioned work is completed, the floorboard 6 is returned to the position shown in FIG. 12A, and the hanging belt 56 is pulled out to complete the work.

Next, when it is desired to bathe the person M, in order to change the floorboard 6 from the state shown in FIG. 7 to the bathable state shown in FIG. 46 and turn on the bath selection switch 50. That is, the process proceeds to step 2, where the expanded/contracted state of each of the telescoping devices 14, 9, and 10, that is, the position of each moving nut 34, is confirmed, and the process proceeds to step 3. In step 3, each telescoping device 14, 9, 10 is set to F,
The control unit 47 sends a signal to each telescopic device 14, 9, 10 so that the telescopic device 14, 9, 10 is in position E, B, and the process proceeds to step 6, in which each motor 26 is driven to move each moving nut 3.
4 and then proceed to steps 7 and 8, and the bed device 1 is ready for bathing as shown in FIG.

FIG. 14A shows a perspective view of a state in which a bathing sheet 59 is hung on the side rail 17 of the bed device 1 of the present invention, and FIG. 14B is a front view showing a state in which a person M is taking a bath. . In this bed device 1,
Person M can be bathed in the following manner. That is, in the state shown in FIG.
a between the seat part 4 and the back part 5 of the floorboard 6;
and tighten the drain hose 59a to drain the hot water h.
prevent it from appearing. Next, the origin selection switch 52 of the operation command unit 46 is turned on to place the floorboard 6 in the state shown in FIG. 12A, and the suspension belt 56 is removed.

Then, as described above, turn on the bathing selection switch 50, and as shown in FIGS. 13 and 14, the floorboard 6
should be V-shaped. Thereafter, the person M can take a bath by filling the bathing sheet 59 with hot water h from a water heater (not shown) or the like. After bathing, drain the hot water completely from the drain hose 59a,
Carefully pull out the body of person M, raise the floorboard 6, and
Set it to the state shown in Figure 2 A. After that, a suspension belt 56 is passed between the floorboard 6 and the person M, and the suspension belt 56 is hung on the side rail 17.

Furthermore, the floorboard 6 is lowered to the lowest position, the person M is suspended in the air, the bathing sheet 59 is pulled out, the bathing sheet 59 is removed, the person is dressed, the floorboard 6 is returned to the position shown in FIG. 12A, and the suspension belt 56 is pulled out. , the bathing work is completed.

15A and 15B are side views of a state in which the person M is turned over by hanging the turning sheet 60 on the side rail 17 of the bed device 1 of the present invention, and FIG. 15C is a front view thereof. In this bed device 1,
Person M can be turned over in the following manner. That is, in the state shown in FIG. 12B, both ends 60a and 60b of the turning sheet 60 are hung on the side rails 17, the origin selection switch 52 of the operation command section 46 is turned on, and the floorboard 6 is moved to the state shown in FIG. 12A. state. Thereafter, the sheets 60 for turning around are hung on the side rails 17 with one end 60a stretched and the other end 60b slack. Then, the middle part 60c of the bed sheet 60 placed on the person M is fixed to the floorboard 6, and the hanging belt 56 is fixed to the floorboard 6.
(See Figure 15 A). Next, turn on the low floor selection switch 51 of the operation command unit 46 to
When the person M is lowered to the state shown in FIG. 15B, the person M can be turned over (see FIG. 15C).

[Effects of the Invention] As detailed above, according to the bed device of the present invention, the bed device can be configured in any one of chair, bathing, low floor and origin.
When you select one and start the operation command section of the control device, the control section instructs each telescopic device to its expansion/contraction state, and according to this instruction, each telescopic device expands/contracts and stops at a predetermined position, and the floorboard is selected. It becomes the form of 1. Then, with the floorboard as the origin, attach the side rail to the main body frame, pass the necessary number of suspension belts between the floorboard and the person who is sleeping on the floorboard, and connect both ends of this suspension belt to the side rail. Once you arrive at the station, set the control device so that the floorboard is low and start it. Each telescoping device will expand and contract, moving the floorboard downwards to achieve a low floor, and the person will be suspended in the air on the suspension belt. Become. Therefore, for people other than those who are completely unable to move freely, the control device can easily change the floorboard into a desired shape, such as a chair shape or a low floor state, without the help of a caregiver. It can alleviate the pain caused by not being able to move freely and bring you closer to a more comfortable life.

When a person is suspended in the air on the belt, it is easy to change sheets and futons, and change the person's pajamas and underwear. Also, it is easy to place a toilet bowl on the floorboard so that people can relieve themselves, and to change diapers. Furthermore, it has the effect of easily preventing and treating bedsores in people.

Also, if you pass a bathing sheet between the suspension belt and the floorboard while suspended in the air, and set the control device so that the floorboard is in its normal state, that is, the floorboard is in the horizontal and highest state, then start. Each telescoping device expands and contracts to move the floorboard upwards and release the suspended state. After that, attach both ends of the bathing sheet to the side rails, remove the hanging belt, set the control device so that the floorboard is in the bathing state, and start it. Each extension device will expand and contract, making the floorboard convenient for bathing. A person can easily take a bath by changing the shape of the sheet and filling it with hot water.

Furthermore, in the suspended state, a sheet for turning over is passed between the suspension belt and the floorboard, and the floorboard is moved upward to release the suspended state. Place one end of the sheet for turning around on the side rail with one end taut and the other end slack, fix the sheet for turning over on the floorboard in the position that is spread over the human body, remove the hanging belt, and make sure that the floorboard is low. If the control device is set and started in such a manner, each telescoping device will expand and contract and move the floorboards downward, allowing the person to turn over in bed. Therefore, the occurrence of bedsores and the like can be prevented, and the pain of people with limited mobility can be alleviated.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a front view of the bed device of the present invention, FIG. 2 is a plan view of the bed device, FIG. 3 is a side view of the bed device, and FIG. 4 is a side view of the bed device.
The figure is a sectional view showing the expansion and contraction device, Figure 5 is a schematic diagram of the control device, and Figure 6 is a flowchart of the control device.
7, 8, and 9 are side views showing each aspect of the bed device, and FIG. 10 is a plan view of the bed device with a hanging belt passed between the floorboard and the person.
Fig. 11 is a perspective view of section P in Fig. 10, Fig. 12 is a side view of the bed device showing a state in which a hanging belt is used, and Fig. 13 is a side view of the bed device with the floorboard in a bathing state. Figure 14b is a perspective view of the bed device showing the state in which bathing sheets are used;
Figure 4 (b) is a front view of the bed device showing a state in which a bathing sheet is used, Figures 15 (a) and (b) are side views of the bed device showing a state in which a turning sheet is used, and Figure 15 (c) is a side view of the bed device showing a state in which a turning sheet is used. FIG. 2 is a front view of the bed device showing a state in which sheets are being used. 1... Bed device, 2... Body frame, 3...
...legs, 4...seat, 5...back, 6...floorboard,
7... Front support arm (one support arm), 8...
... Rear support arm (other support arm), 9 ... Seat extension and contraction device, 10 ... Back extension and contraction device, 11 ... Leg side link, 12 ... Frame side link, 13 ...
... Connection point, 14 ... Leg extension and contraction device, 15 ... Control device, 17 ... Side rail, 46 ... Operation command section, 47 ... Control section, 56 ... Hanging belt, 59
...Sheets for bathing, 60...Sheets for turning around.

Claims (1)

[Scope of Claims] 1. A main body frame, a side rail that is detachably provided approximately parallel to the longitudinal direction of the main body frame, one or more hanging belts that are detachably provided on the side rail, and A floor plate located above and divided into three parts, a leg part, a seat part, and a back part, which are rotatably connected to each other; one and the other support arms which are each movably attached; a seat extension device which is rotatably attached between the seat part and the main body frame and which is capable of extending and contracting; and the back part and the main body frame. A back extension device is rotatably attached between the legs and the body frame, and one end is rotatably attached between the legs and the main body frame, and the other end is rotatably connected to each other. a leg extension device rotatably attached between a leg side link and a frame side link, a connection point between the two links and the main body frame, and capable of extending and contracting; and a control device for changing the form of the floor plate; The control device is configured to control any one of the chair, bathing, low floor, and origin states.
1. A bed device comprising: an operation command section for selecting and instructing a bed; and a control section for operating each of the telescoping devices in accordance with the command to realize the selected state. 2. The bed device according to claim 1, further comprising a removable bathing sheet provided on the side rail. 3. The bed device according to claim 1, further comprising a removable bed sheet provided on the side rail.