JP2001293042A - Nursing bed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a nursing bed capable of erecting an upper half of a body in a look-up state by a user, setting the upper half sideways or bathing him. SOLUTION: The nursing bed is formed by disposing an erecting mechanism 4 and sideways setting mechanisms 5 and 6 for lifting forward edge and right and left side edges of a sheet-like bed 2 at front position and right and left positions of a frame 3 for coupling front and rear leg frames 13 and 14 by right and left side frame 15, 16, providing a long-sized belt 12 at a rear edge of the bed 2 and winding the belt 12 by a winding mechanism 30.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nursing bed mainly for non-healthy people who have difficulty walking.

[0002]

2. Description of the Related Art Conventionally, nursing beds for non-healthy persons such as sick or disabled persons who have difficulty walking are well known.
In general, there are a configuration in which the entire bed moves up and down in a horizontal state, and a configuration in which the front half of the bed is raised to erect the upper body of the user.

[0003]

However, according to the conventional bed described above, there is no structure in which the user lying on his back on the bed is turned sideways by mechanical means. When trying to take a bather, there is not only the disadvantage that the user has to hold the bed once and move in another case, but also has a defect that the user suffers greatly.

[0004] Therefore, the present invention relates to a bath in which a user stands upright on a bed, lays on his / her side, or lies on a bed without leaving the bed. The present invention is to provide a nursing bed that can perform the above-mentioned steps, and to solve the drawbacks of the conventional one.

[0005] In order to solve the above disadvantages,
A sheet-like bed is stretched horizontally on the upper surface of a frame formed by connecting the front and rear leg frames by the left and right side frames, and a required position is provided at the front position and the left and right sides of the frame. A low position where the bed is curved with a radius of curvature and the bed is in a horizontal state with respect to the frame, and an upright operation mechanism and a horizontal operation mechanism having an operation shaft that can be moved up and down between a high position for lifting the bed, and A supporting rod is provided on each operating shaft, and the front edge of the bed is mounted on the supporting rod of the upright operating mechanism, and the left and right side edges of the bed are mounted on the supporting rod of the horizontal operating mechanism via mounting pieces. Further, the rear edge of the bed is supported at a rear position of the frame via a belt.

In the above, preferably, a plurality of mounting positions of the bed by the mounting piece are provided in the longitudinal direction of the support rod,
Further, a plurality of mounting positions of the bed by the belt are provided on the rear edge of the bed, and the mounting piece and the belt mounted on the support rod of the upright operating mechanism can be detached from the front edge and the rear edge of the bed.

In order to enable bathing, one end of a belt is attached to the rear edge of the bed, and the other end of the belt can be wound around a drum which is rotated by a motor provided at a rear position of the frame. The mounting portion, which is mounted and mounted on the support rod of the lateral operation gantry, can be separated from the side edge of the bed, so that the bed can be relaxed.

[0008] In the above, the bed is preferably knitted in a lattice by a synthetic resin tape.

Further, the upright operating mechanism and the laterally operating mechanism are curved with a required radius of curvature, and have an operating rod having a rack provided along the longitudinal direction, and a guide hole for slidably guiding the operating rod. , A pinion gear provided at an upper position of the housing and meshing with the rack, and a drive unit housed in the housing and driving the gear to rotate.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a general plan view, and FIG. 2 shows a general side view.

The bed 1 of the present application is a bed 2 formed in a sheet shape, a frame 3 for stretching the bed 2 in a horizontal state, and a front part of the frame 3. An erecting operation mechanism 4 for elevating the user's upper body by elevating a part (head side), and a right half and a left half of the bed 2 which are arranged on the left and right sides of the frame 3, respectively. And horizontal operation mechanisms 5 and 6 for turning the user sideways from left to right.

The bed 2 is formed by rimming a peripheral edge of a rectangular main portion in which a synthetic resin tape having a width of about 10 mm is formed in a grid at a pitch of about 20 mm, and excluding a trailing edge (right edge in FIG. 1). Three attachment portions 11 are attached to the three sides at a required interval.

A long belt 12 is attached to the rear edge of the bed at the left and right positions.

The frame 3 includes two front and rear leg frames 13 and 14 each formed by bending a pipe in a downward U-shape.
Side frame 1 for connecting legs facing each other before and after 3, 14
5 and 16, and both legs of the leg frames 13 and 14 have the structure shown in FIG.
The fitting projections 10 are respectively provided as shown by. The fitting projections 10 are configured to be assembled by fitting the ends of side frames 15 and 16 made of a square pipe.

4 and 5, the upright operating mechanism 4 has an elliptical cross section, is curved with a required radius of curvature, is provided with a rack 17 along the back surface, and has a sliding piece 18 at the end. Operating rod 19 having
Has a long guide hole 20 at the front surface for tightly fitting the slide piece 18 and slidingly guiding the slide piece 18 at the front, and at the rear,
Motor and belt 2 for driving pinion toothing 21 to be described later
A housing 24 having an arrangement portion 23 for arranging the driving portion 22 composed of the pulley 22a and the pulley 22b; I have.

The operating rod 19 of the upright operating mechanism 4 configured as described above has a horizontally extending support rod 25 at its upper end.
On the inner surface of the support rod 25, a locking piece 26 bent in a U-shape for detachably locking the mounting piece 11 is provided.

At the upper end of the guide hole 20, there is provided a holding cylinder 27 which fits tightly with the operating rod 19 and prevents the operating rod 19 from rattling with the operating rod 19.

The horizontal operation mechanisms 5 and 6 are basically the same as the upright operation mechanism 4 except that the radius of curvature of the operation rod 19 is slightly smaller and the support rail 25 is provided with a handrail rod 28 in parallel with the same. There is no difference.

The bed 2 is provided on the rear leg frame 14 of the frame 3.
A winding mechanism 30 for winding the belt 12 attached to the trailing edge is provided.

Specifically, as shown in FIGS. 6 and 7, the take-up mechanism 30 has a downwardly U-shaped fitting portion piece removably fitted to the side frames 15 and 16 constituting the frame 3. Frame 33 having a horizontal base plate 32 at its lower end
And a rotating shaft 35 rotatably supported at both ends via bearings 34 between opposed fitting portions 31, 31, and provided at left and right positions of the rotating shaft 35, and the ends of the belts 12, 12. And the drums 36, 3 around which they are wound
6 and a motor 37 mounted on the horizontal base plate 32
And a transmission part 38 for transmitting the rotation of the motor 37 to the rotation shaft 35.

The belt 12 attached to the trailing edge of the bed 2 is bent through a rotary cylinder 39 provided on the inner surface of the top of the rear leg frame 14 at the left and right positions, and then connected to the drum 36. .

6 and 7, the rotary shaft 35, the drums 36, 36, the motor 37 and the transmission 38 are concealed by a desired cover 40.

FIG. 8 shows a specific configuration of the mounting portion 11 for removably mounting the bed 2 to the supporting rod 25. That is, the attachment piece 11 has a distal end attached to the edge 2a of the bed 2 and a belt 11b having a stop hole 11a on the free end side and an edge 2a of the bed 2 on the free end side.
And a part 11d having a stopper 11c at its free end.

Thus, the free end of the band 11b is inserted into the U-shaped engaging piece 26 provided on the support rod 25, and this is turned back so that the locking hole 11a provided on the band 11b is The bed 2 is detachably attached to the support rod 25 by engaging with the stopper 11e.

FIG. 9 shows a specific configuration in which the belt 12 is detachably connected to the edge 2a of the bed 2. That is, the stopper piece 12b provided with the stopper 12a is attached to the edge piece 2a, and the stopper 12a
Further, a stop hole 12c provided at the free end of the belt 12 having the end fixed to the drum 31 is locked.

Therefore, the attachment pieces 11 attached to the front edge and the left and right side edges of the bed 2 in a normal state are detachably connected to the support rods 25 of the upright operation gantry 4 and the lateral operation gantry 5, 6, respectively. Further, by winding the belt 12 attached to the rear edge of the bed 2 around the drum 36, the frame 3
The bed 2 is stretched on the upper surface in a horizontal state and in a tension state.

Accordingly, the user P can lie on the bed 2 in a state of lying on his back.

In the above, a mat which is flexible and has a good texture is preferably provided on the surface of the bed 2 except during bathing.

When the user P is to be erected on his / her back, the drive unit 22 rotates the pinion gear 21. Then, the pinion gear 21 and the rack 1
7, the operating rod 19 moves upward along its radius of curvature, and accordingly, the front edge of the bed connected to the supporting rod 25 via the mounting piece 11 moves upward and backward. , And thereby the user P stands upright.

In the above description, when the upright angle of the bed 2 is small, of the three mounting pieces 11 connecting the bed 2 to the support rod 19 of the horizontal operation mechanisms 5 and 6, the most forward mounting is performed. The part 11 is detached from the locking piece 26 to be in a free state.

When the bed 2 is to be raised up again, it is necessary to mount the bed 2 at the most forward and intermediate positions among the three bands 11 connecting the bed 2 to the supporting rods 19 of the horizontal operation mechanisms 5 and 6. Each of the pieces 11 is detached from the locking piece 26 to be in a free state.

FIG. 10 shows this state. In this state, the support rod 25 is largely moved upward as shown in FIG.

In the above, the operating rod 19 is slid in the guide hole 20 by the drive unit 22, and the operating rod 19 is closely fitted to the holding cylinder 27 provided at the upper end of the guide hole 20.
Further, since the sliding piece 18 is provided at the end of the operating rod 19, it is possible to prevent rattling of the operating rod 19, and to operate the sliding piece 18 by contacting the lower end of the holding cylinder 27. The rod 19 is prevented from coming off.

When the user P is lying on his or her back on the bed 2 and the user P is in a horizontal position, the supporting rod 25 of the upright operating mechanism 4 and the bed 2 are connected. In the example, the rightmost band or the band and the middle mounting part 11 are removed from the locking piece 26 so as to be in a free state.

Further, the belt 12 on the right side at the trailing edge of the bed 2 is cut off at the position of the fastener 12a as already described in FIG.

In this manner, the rightward horizontal operation mechanism 5 is operated with the front and rear right positions of the bed 2 and the frame 3 disconnected from each other.

Then, as already described with reference to FIG. 4, the rotation of the pinion gear 21 causes the operating rod 19 to move upward along the radius of curvature, and accordingly the supporting rod 25 is attached to the supporting rod 25 via the mounting piece 11. The right side of the connected bed is raised rationally upward and to the left.

Accordingly, as shown in FIG. 11, the user P is in a horizontal state.

In the above description, the case where the lateral operation mechanism 5 at the right side is operated to bring the user P to the left sideways state has been described. In a similar manner, the user P can be brought to the right sideways state.

FIG. 12 shows a use mode in which the user P bathes without leaving the bed 2 while the user is lying on his back on the bed 2.

That is, in the state shown in FIGS. 1 and 2, the connection between the horizontal operation mechanisms 5 and 6 at the left and right positions and the bed 2 is released, and the horizontal operation mechanisms 5 and 6 are moved from the frame 2 to a place where they do not interfere with bathing. , A portable bathtub 50 is placed directly below the bed 2 and hot water is supplied to the bathtub 50 by an appropriate method.
Supply within.

In this state, the motor 37 is driven to rotate the drum 36 together with the rotating shaft 35 to rewind the belts 12 and 12. Then, the bed 2, the rear edge of which is supported by the belts 12, 12 descends from the buttocks with the user P placed thereon, and then the whole body enters the bathtub 50,
This state is for cleaning the user P.

After use, after cleaning the body of the user P, the belt 12 is wound around the drum 36 by driving the motor 37 again, and the bed 2 is tensioned in the front-rear direction.
Next, the horizontal operation mechanisms 5 and 6 are disposed again at the left and right positions of the frame 3, and the mounting piece 11 provided on the side edge of the bed 2 is connected to the support rod 26, and the four peripheral edges of the bed 2 are Is stretched horizontally.

The above embodiment is intended mainly for a user who has difficulty walking due to illness or disability, and raises his / her upper body with the user lying on his / her back, or turns the body to the side, or moves from the bed. Although the bed (hereinafter abbreviated as a first bed) has been illustrated as a configuration that enables bathing without performing, the first bed having the above configuration is shown in FIG.
Another embodiment is shown in the case of a configuration that can be used as a normal bed.

FIG. 13 shows a bed having a configuration in which the upright operating mechanism 4, the lateral operating mechanisms 5, 6, the belt 12, and the winding climate 30 are removed, and the bed 2 is simply stretched horizontally on the frame 3. (Abbreviated as a second bed).

Specifically, the handrail 2 in the first bed
As shown in FIG. 14, instead of the support rod 25 provided with
A downward U-shaped fitting portion 45 which is formed in a downward U-shape and which can be fitted to the side frames 15 and 16 is provided at the lower end of each of the vertical pieces.
And a handrail member 47 having a support rod 46 at an intermediate position between the two vertical pieces is used.

The support rod 4 provided on the handrail member 47
6 are provided on the three inner surfaces in the longitudinal direction with the same locking pieces 48 as the locking pieces 26 for locking the three mounting pieces 11 provided on the left and right side edges of the bed 2 respectively. It is.

Further, locking pieces 48 for locking the mounting pieces 11 provided on the front edge of the bed 2 are also provided at three inner surfaces of the top piece of the front leg frame 13 constituting the frame 3. FIG.
As shown by, they are provided in advance.

When the bed 2 is mounted on the frame 3 having the fitting part 45 provided on the handrail member 47 mounted at an intermediate position between the side frames 15 and 16, the front edge of the bed 2 is Attach the mounting piece 11 provided on the left and right edges to the front leg frame 13
And the locking pieces 48 of the handrail member 47 provided on the left and right frames 15 and 16 respectively.

Next, the rear edge of the bed 2 is
To attach to the bed, the tab 1 attached to the trailing edge of the bed 2
By using a metal fitting 12a of 2b and a rotary cylinder 37 provided at the top of the rear leg frame 13, these are fitted as shown in FIG.
The connection is made by a belt 49 having a stopper 49a prepared separately.

In this manner, the second bed is constituted by attaching the four peripheral edges of the bed 2 to the frame 3 in a tensioned state.

In the above-described embodiment, the supporting rods 25 of the upright operating mechanism 4 and the lateral operating mechanisms 5 and 6 and the front edge and the left and right side edges of the bed 2 are respectively connected to the three mounting pieces 1.
1 and the configuration in which the left and right two places of the rear edge of the bed 2 are connected to the rear position of the frame 3 by the belt 12, but the number of the mounting pieces 11 is three and the belt 12 is The number is not limited to two, but when the number is increased, the length bed 2 can be stretched in a stable state.

In the above embodiment, the mounting piece 11
When the number of belts 12 is increased, the mounting piece 11
Depending on the number of belts to be removed and the number of belts to be removed, the bed lifting angle by the standing operation mechanism 4 and the bed lifting angle by the lateral operation mechanisms 5 and 6 can be adjusted to be large.

[0054]

As described above in detail, according to the present invention, when the user is lying on his back on the bed, his / her upper body can be raised or placed in a sideways state, and It is effective in reducing pain.

In particular, since the upright operating mechanism and the lateral operating mechanism have operating axes curved with a required radius of curvature, they are extremely rational as mechanisms for lifting the edge of the bed.

According to the configuration of the second aspect, the bed can be stretched in a stable state with respect to the frame, and it is convenient to adjust the standing angle and the lateral angle of the upper body of the user.

According to the third aspect of the present invention, the user can easily take a bath by loosening the belt while the user is lying on his back, which is extremely convenient.

According to the fourth aspect of the present invention, it is effective as a bathing bed.

According to the fifth aspect of the present invention, there is an advantage that it is effective as a mechanism for lifting the edge of the bed.

[Brief description of the drawings]

FIG. 1 is an overall plan view

FIG. 2 is an overall side view.

FIG. 3 is an enlarged sectional view of a portion A in FIG. 2;

FIG. 4 is a vertical side view of a standing operation mechanism.

FIG. 5 is a partial cross-sectional plan view of the upright operation mechanism.

FIG. 6 is an inner view showing a belt winding mechanism;

FIG. 7 is a side view showing a belt winding mechanism;

FIG. 8 is a plan view of a mounting piece.

FIG. 9 is a partial plan view of a belt.

FIG. 10 is a side view showing a standing state of the bed.

FIG. 11 is a front view showing a lateral state of the bed.

FIG. 12 is a side view showing a bathing state.

FIG. 13 is an overall side view of another embodiment.

FIG. 14 is a side view of a handrail member.

FIG. 15 is a plan view showing a connection state between a rear edge of a bed and a rear leg frame in another embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 bed 2 bed 3 frame 4 upright operating mechanism 5, 6 horizontal operating mechanism 11 mounting piece 12 belt 13, 14 leg frame 15, 16 side frame 19 operating rod 20 guide hole 21 pinion gear 22 drive unit 23 housing 25 support Rail 26 locking piece 28 handrail rod 30 take-up mechanism 35 rotating shaft 36 drum 37 motor

Claims (5)

[Claims] 1. A structure in which a sheet-like bed is horizontally stretched on an upper surface of a frame formed by connecting front and rear leg frames by left and right side frames. A standing operation mechanism and a horizontal operation mechanism that are curved with a required radius of curvature and have an operation shaft that can be raised and lowered between a low position where the bed is horizontal with respect to the frame and a high position where the bed is lifted. And a supporting rod is provided on each operating shaft, and the front edge of the bed is mounted on the supporting rod of the upright operating mechanism, and the left and right side edges of the bed are mounted on the supporting rod of the lateral operating mechanism. A bed for nursing care, wherein the bed is attached via a piece, and a rear edge of the bed is supported at a rear position of the frame via a belt. A plurality of mounting positions of the bed by the mounting piece are provided in the longitudinal direction of the support rod, a plurality of mounting positions of the bed by the belt are provided at the trailing edge of the bed, and the support rod of the upright working portion mechanism is provided. 2. The nursing couch according to claim 1, wherein the attachment piece and the belt attached to the bed are detachable from the front and rear edges of the bed, respectively. 3. An end of a belt is attached to the trailing edge of the bed, and the other end of the belt is attached to a drum rotated by a motor provided at a rear position of the frame so as to be windable, and supports a lateral operation mechanism. The nursing care bed according to claim 1 or 2, wherein the attachment piece attached to the rod is detachable from a side edge of the bed so that the bed can be slackened. 4. The bed for nursing care according to claim 1, wherein the bed is knitted in a lattice pattern by a synthetic resin tape. 5. The upright operating mechanism and the laterally operating mechanism section are provided with an operating rod which is curved with a required radius of curvature and has a rack provided along a longitudinal direction, and a guide hole for slidably guiding the operating rod. A pinion gear provided at an upper position of the housing and meshing with the rack; and a driving unit housed in the housing and rotating the gear. The bed for nursing care according to 3 or 4.