JP3352580B2 - Elevating wheelchair for bathing - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathing type elevating wheelchair which is used when a disabled person or a nursing elderly in a bathing posture is placed on a wheelchair and assists cleaning and wiping.

[0002]

2. Description of the Related Art Japanese Patent Publication No. 5-83254 discloses a wheel, a traveling carriage, a chair frame, a support shaft, a chair body, a backrest, a seating portion, a chair base, A wheelchair including a footrest, a shaft, a chair base rotating means, a footrest angle increasing rotating means, an elevating means, an X-shaped link, and a hydraulic cylinder is disclosed.

[0003]

The above-mentioned conventional device is
First, since the traveling cart is not of the type that sinks into the space below the bottom wall of the bathtub, when the chair base is pushed into the bathtub, the traveling cart remains beside the bathtub and becomes obstructive, and it is difficult to perform the pushing operation and the pulling-out operation. Therefore, there is a drawback that a lot of labor is required for the pushing operation and the pulling-out operation, and it is difficult to perform these operations, and the risk of the chair base falling over increases.

[0004] Second, since the backrest and the seating part are integrated at a substantially right angle, even if the backrest is tilted backward, the chair base cannot be made horizontal, and the bather can be laid down. Therefore, there is a drawback that it is difficult to perform assisting work for cleaning and wiping the buttocks and waist.

An object of the present invention is to solve the above-mentioned drawbacks, and to provide an elevating wheelchair for bathing, in which the operation of the wheelchair is easy and the assisting work of washing and wiping is easy.

[0006]

That is, the present invention provides a trolley (1) which is movable, a seat (2) on which a human body is mounted, and a lifting / lowering body (4) incorporated in the trolley (1). A wheelchair (29), the seat portion (2) is detachably mounted on the bogie portion (1), and can be moved up and down by the operation of the elevating body (4). In the bathtub (3
When the trolley part is pushed into the trolley part (0), the trolley part (1) and the seat part (2) are separated, and the trolley part (1) is separated from the bottom wall (31) of the bathtub (30).
It is a lift-type wheelchair for bathing, which enters into a lower space and the seat (2) enters into a bathtub (30).

[0007]

The cart 1 constituting the wheelchair 29 moves freely, and the seat 2 supports the human body. The bogie unit 1 supports the seating unit 2 thereon so as to be separable. The elevating body 4 incorporated in the carriage unit 1 elevates the seat 2. The wheelchair 29
Is pushed into the bathtub 30, the trolley unit 1 becomes the bottom wall 3 of the bathtub 30.
1, and the seat 2 enters the bathtub 30.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention shown in FIGS. 1, 2 and 3 is such that a movable carriage 1, a seat 2 on which a bather can be placed, and the seat 2 on the carriage 1 can be separated. Space connector 3 to support
And a lifting / lowering body 4 incorporated in the carriage unit 1.

The carriage 1 comprises a caster 5, a frame 6 on which the caster 5 is mounted, and a support frame 7 mounted on the frame 6 and supporting the elevating body 4. Inside the bogie unit 1, there are provided a lifting / lowering body 4, a hydraulic mechanism 8 for supplying hydraulic oil, and a pedal 9 for operating the hydraulic mechanism 8.

The lifting body 4 comprises an X frame 10, an upper frame 11 supported by the X frame 10, and a hydraulic cylinder 12 for operating the X frame 10. The seat portion 2 is moved up and down by the operation of the elevating body 4. Incidentally, the lifting body 4 may be implemented by replacing the hydraulic cylinder 12 with a screw shaft or the like.

The seat portion 2 includes a backrest portion 13, a buttocks mounting portion 14, a foot receiving portion 15, a handrail 16, and a backrest portion 13.
Reclining mechanism 1 that leans backward and lifts foot support 15
7 The reclining mechanism 17 is manually operated by a reclining handle 18 provided on the back of the backrest portion 13. A handle 19 for moving the wheelchair 1 is provided on an upper back surface of the backrest portion 13 in the seating portion 2. still,
The reclining mechanism 17 may be changed to a configuration in which only the foot receiving portion 15 is lifted.

The space connecting member 3 includes the front and rear support arms 2.
0.21. On the base frame 22 of the seat portion 2, a plurality of introduction rollers 23, a connected pin 24 formed of a projection,
A rear support arm 21 is provided.

The upper portion of the rear support arm 21 is rotatably supported by a rear shaft 49 on a base frame 22, and is urged by a spring (not shown) in a downward direction from the base frame 22 so as to protrude therefrom. 2
I support. A roller 26 is attached to a lower end of the rear support arm 21, and a stopper 27 is formed at the upper end of the rear support arm 21 to prevent the arm 21 from turning from the hanging posture to the right. A rear operation guide 28 for rotating the rear support arm 21 is attached to the center of the arm 21 in the hanging direction. The blocking member 27 is received by the rear support arm stopper 47 provided on the carriage unit 1 and the rear support arm 2
1 is prevented from turning right.

There is a predetermined space between the bottom wall 31 and the floor 42 of the bathtub 30 into which the bogie unit 1 enters. The rear operation guide 2
Reference numeral 8 denotes a mechanism for moving the wheelchair 29 against the bottom wall 31 when pushing the wheelchair 29 into the bathtub 30 to rotate the rear support arm 21.

On the base frame 22, a stopper 32 for preventing the rear support arm 21 from rotating to the left is hung in a hanging manner. The upper part of the stopper 32 serves as a hook piece 33, and the rear support arm 21 Rear support arm 21 so as to prevent left rotation of
A stopper operation guide 34 is attached to the lower end of the stopper 32.

The front support arm 20 is pivotally supported on a front part of the bogie unit 1 in an upright state, and a hook 35 is formed at the upper end of the front support arm 20 so as to be hooked on the connected pin 24. . At the center of the front support arm 20 in the rising direction, a front operation guide 36 that moves against the bottom wall 31 is provided. Front support arm 2
0 supports the front part of the seat portion 2. Although not shown, the space connector 3 is deleted and the seat portion 2 is directly
May be detachably mounted on the carriage unit 1.

On the carriage 1, an anti-floating device 37 for preventing the seat portion 2 from floating and detaching is provided in an upright state and its base end is pivotally supported. A hook claw 38 is formed at the tip of the floating prevention tool 37 and is hooked on a locking pin 39.
A lifting operation guide 40 is provided at the center of the rising direction in which the wheelchair 29 moves into contact with the bottom wall 31 when the wheelchair 29 is pushed into the bathtub 30.

A bogie lock (not shown) is provided on the bogie unit 1.
When the wheelchair 29 is pushed into the bathtub 30 and the bogie unit 1 reaches a predetermined position below the bottom wall 31, the bogie lock is fitted into a lock groove (not shown) formed on the back of the bottom wall 31. That is, the carriage unit 1 is fixed.

The rear support arm 2 is provided at the rear of the carriage 1.
A connected concave portion 41 into which the first roller 26 fits is formed. The concave portion 41 receives the weight of the rear portion of the seat portion 2 and connects the seat portion 2 and the carriage 1 by the above-described fitting.

In FIG. 1, reference numeral 48 denotes a brake for stopping the advancement of the wheelchair 29 by hitting the floor 42 when the foot receiving portion 15 is lowered, and in FIG.
Numeral 6 is a forward / backward slope.

In using the embodiment, the caregiver operates the lifting / lowering body 4 of the wheelchair 29 in which the bather is placed on the seat portion 2 to raise and lower the bather and adjust the height. The caregiver adjusts the bather to a height that facilitates the work of cleaning and wiping,
Perform that work.

The ascending operation is performed by the assistant repeatedly stepping down the pedal 9 with the foot. In the lowering operation, the pedal 9 is kicked upward and maintained, and lowered by its own weight. By operating the reclining handle 18, the backrest 13 is tilted backward, and the footrest 15
Is rotated upward, the seat portion 2 is set to a substantially horizontal state, the bather is appropriately changed to a recumbent posture, and the buttocks and waist are sufficiently washed.

Although not shown, the X frame 1
When the elevating body 4 is lifted by partially deforming the member constituting 0, the rear portion of the seat portion 2 may be in a half reclining posture in which the rear portion is inclined downward. In this half reclining position, the caregiver can easily clean the buttocks of the bather.

When the washing is completed, the lifting body 4 is operated to lower the seat 2 to the lower limit position. Next, the wheelchair 30 is pushed into the bathtub 30 with the door 44 opened from the feet of the bather.
When the wheelchair 29 is pushed toward the bathtub 30 with the handle 19, the seat portion 2 climbs up and enters the bottom wall 31, and the bogie portion 1 enters under the bottom wall 31.

The introduction roller 23 in front of the seat 2 climbs up while abutting on the front of the bottom wall 31, and the weight of the front of the seat 2 is transferred from the front support arm 20 to the bottom wall 31. When the wheelchair 29 is further pushed into the bathtub 30, the front support arm 20 rotates clockwise about the shaft 25 and falls down, and the front support arm 20 is sneaked and stored in the bogie unit 1.

When the wheelchair 29 is further advanced, the floating operation guide 40 comes into contact with the front portion of the bottom wall 31 and rotates clockwise about the guide shaft 51, and the floating prevention device 37 is stored in the bogie unit 1. When the vehicle continues to enter, the rear introduction roller 23 moves onto the bottom wall 31, and the weight of the rear part of the seat 2 moves to the bottom wall 31.

When the stopper 32 is continuously advanced, the stopper operation guide 34 comes into contact with the front portion of the bottom wall 31 and the stopper 32 rotates counterclockwise about the stopper shaft 50, and the locking function is released by the rotation of the stopper 32. The support arm 21 is turned to the left, and the rear support arm 21 is connected to the rear operation guide 2.
8 to the left to be stored in the seat portion 2.

At this time, the rear support arm 21 is detached from the bogie unit 1 and the connection with the seat 2 is released. At the same time, the trolley lock (not shown) slides on the back surface of the bottom wall 31 and fits into the lock groove (not shown) to fix the trolley unit 1 at that position.

Next, the seat portion 2 detached from the carriage portion 1 is further pushed into a predetermined position in the bathtub 30 so that the wheelchair 2
The pushing operation of the bathtub 9 into the bathtub 30 is completed. The door 44 is closed, the bathtub 30 is filled with hot water using a hot water moving device (not shown), and bathing is performed.

When leaving the bath, hot water is drained from the bathtub 30 by the hot water moving device, the door 44 is opened, and the wheelchair 29 is pulled out with the handle 19. Specifically, first, the seat portion 2 exits,
The rear support arm 21 shifts from the horizontal position to the hanging position by the spring force, the roller 26 is fitted into the connected concave portion 41, and the carriage 2 is connected to the carriage 1.

Further, when the seat portion 2 retreats the wheelchair 29 connected to the trolley portion 1, the trolley lock (not shown) is disengaged from the lock groove (not shown) against the spring force, and the trolley portion 1 and the bottom are removed. The lock with the wall 31 is released. Next, the stopper 32 is detached from the bottom wall 31, and the retaining piece 33 of the stopper 32 is engaged with the rear support arm 21, and the rotation of the rear support arm 21 is stopped.

When further retracted, the anti-floating device 37 comes out of the bottom wall 31, and the anti-floating device 37 is a spring (not shown).
And rises and is latched by the latch pin 39.

When further retracted, the front support arm 20 comes out of the bottom wall 31, rises by the spring force, and the hook 35 is hooked to the front connected pin 24. When further retracted, the front introduction roller 23 is disengaged from the bottom wall 31, and the weight of the front portion of the seat 2 is transferred from the bottom wall 31 to the front support arm 20.

With this operation, the wheelchair 29 leaves the bathtub 30. Next, the elevating body 4 is operated to elevate the bather to an appropriate height, wipe the bath, and end the bath. In addition, although the seat part 2 is raised and lowered at the time of washing and wiping, when the bather is transferred to the wheelchair 29, the height of the seat part 2 is appropriately adjusted to facilitate transfer assistance.

[0035]

According to the first aspect of the present invention, the carriage 1 on which the seat portion 2 is separably mounted is provided with an elevating body 4 for moving the seat portion 2 up and down. When putting a bather into the bathtub 30, when the wheelchair 29 is pushed into the bathtub 30,
The bogie unit 1 does not remain outside the bathtub 30 and the bottom wall 3 of the bathtub 30
1 Entering below, the caregiver can approach the bathtub 30,
The work of pushing the seat portion 2 into the bathtub 30 is facilitated, which is convenient.

In the pre-washing, the height of the bather can be adjusted up and down to a suitable position, which facilitates the washing operation, which is convenient. If the posture is changed to the reclining posture, the seat 2
The upper surface is substantially horizontal, so that the bather can be easily changed to a recumbent posture in which the buttocks and waist can be sufficiently washed, and the assisting work can be performed easily and sufficiently, which is convenient.

Further, since the seat portion 2 is not raised to the upper limit position and transferred to the bathtub 30, it is not necessary to adjust the upper limit height to a predetermined height. The range is large and convenient.

Furthermore, only the seat 2 enters the bathtub 30,
Since the bogie unit 1 does not enter the hot water, the constituent members of the bogie unit 1 are not contaminated with scale, which reduces the wear and malfunction of equipment and is convenient. Further, the hydraulic equipment of the bogie unit 1 does not contaminate the hot water, which is convenient.

[Brief description of the drawings]

FIG. 1 is a side view of a wheelchair according to an embodiment of the present invention.

FIG. 2 is a left side sectional view of the lifting body according to the embodiment of the present invention.

FIG. 3 is a right side sectional view of a wheelchair and a bathtub in the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wheelchair 2 Seat part 3 Space connection body 4 Elevating body 29 Wheelchair 30 Bathtub 31 Bottom wall

Continuation of front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A61H 33/00

Claims (1)

(57) [Claims] 1. A wheelchair (29) comprises a movable carriage (1), a seat (2) on which a human body is mounted, and an elevating body (4) incorporated in the carriage (1). The seat portion (2) is separably mounted on the carriage portion (1) and can be moved up and down by the operation of the elevating body (4). When the wheelchair (29) is pushed into the bathtub (30), The bogie section (1) and the seat section (2) are separated while the bogie section (1) is separated from the bathtub (3).
0) into the space below the bottom wall (31), and into the seat (2).
Is an elevating wheelchair for bathing, which enters a bathtub (30).