JP2000070322A - Bathing assistance device - Google Patents

Abstract

(57) [Summary] PROBLEM TO BE SOLVED: To stabilize a seat part in a bathing assistance device.
Bathing and bathtub for healthy people
So as not to interfere with the cleaning of the SOLUTION: A base frame 5 placed on an upper surface of a bathtub,
A drive mechanism 6 provided on the base frame 5 and a cared person
Of the seat 7 and the left and right side edges of the seat 7
The seat hangs down freely so that it can be extended and wound by the moving mechanism 6.
And a suspending member 9 for suspending the portion 7. Base frame 5
Further, a backrest portion 60 inserted into the bathtub is additionally provided. Back
Make one end of the link member 63 slide freely up and down
Horizontal axis L ₁It is connected so that it can rotate around. Link member
The other end of 63 is attached to the rear edge of seat 7 by horizontal axis L._TwoRotate around
Connect freely.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a bathing assistance device.

[0002]

2. Description of the Related Art Conventionally, as a bathing assistance device for bathing a care recipient such as a handicapped person or an elderly person, for example, a leg placed on the bottom of a bathtub, a column fixed to the leg, There has been known a seat having a seating portion which is attached to the column so as to be able to move up and down, and a lifting drive mechanism for raising and lowering the seating portion is provided in the column.

[0003]

However, in the conventional bathing assistance device as described above, since the legs and the pillars are installed in the bathtub in addition to the seating portion, the space in the bathtub is reduced. was there. Furthermore, since the leg and the column are immersed in the hot water, there is a problem that the hot water enters the column due to the deterioration of the seal, and the lifting drive mechanism is likely to be broken. In addition, since the device is supported only by the legs, the device becomes unstable as a whole and may fall down unexpectedly. In addition, there is a drawback that the bathing assistance device is an obstacle when taking a healthy person into a bath. In addition, there is a problem that cleaning is also difficult when cleaning the bathtub.

Therefore, the present invention solves the above-mentioned problem,
While being able to use the space inside the bathtub widely,
An object of the present invention is to provide a bathing assistance device which can be used safely with few failures, can raise and lower a seat in a stable horizontal state, and does not hinder bathing of a healthy person and cleaning of a bathtub. And

[0005]

In order to achieve the above-mentioned object, a bathing assistance device according to the present invention comprises a base frame mounted on an upper surface of a bathtub, a driving mechanism provided on the base frame, A seat for seating the care receiver, and a hanging member for hanging the left and right side edges of the seat and hanging down the seat by hanging out and winding up by the drive mechanism. The base frame is provided with a backrest inserted into the bathtub, and one end of a link member is connected to the backrest so as to be vertically slidable and rotatable around a horizontal axis. The other end is pivotally connected to the rear edge of the seat so as to be rotatable around a horizontal axis.

Further, the upper portion of the backrest is pivotally attached to the base frame so as to be swingable about a horizontal axis in the left-right direction. Further, the drive mechanism is provided in the base frame as a plan view portal type including a front side portion and left and right side portions, and the left and right side portions each have one rotation axis, and And a winding drum for winding a suspension member provided on each rotation shaft,
The front side includes a drive motor, and a branching / transmission mechanism that transmits the power from the drive motor to each of the left and right rotating shafts while synchronizing with each other.

Further, the base frame has left and right legs corresponding to the upper surfaces of the left and right side walls of the bath tub, the distance between the left and right legs can be changed, and the left and right rotation shafts provided in the left and right legs are provided. An inter-spacing adjusting mechanism is provided which is movable integrally with the left and right legs. The seat is connected to the left and right suspension members or between the suspension member and the backrest so as to be freely connected and detachable, and the backrest is detachably attached to the base frame.

Further, a guide roller is provided at the lower end of the suspending member so as to be in contact with the inner surfaces of the left and right side walls of the bathtub.
Further, a detecting / stopping unit for detecting the bending of the suspension member and stopping the operation of the driving mechanism is provided.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing embodiments.

In FIG. 1, FIG. 2, and FIG. 3, reference numeral 2 denotes a bathtub, and 1 denotes a bathing assistance device for bathing a care recipient such as a disabled person or an elderly person. The bathing assistance device 1 includes a base frame 5 having a gate-like shape in plan view placed on the upper surface of a bathtub 2, and the base frame 5.
Drive mechanism 6 provided in the base frame 5 in plan view.
A seat 7 for sitting a care receiver provided inside the car, and a seat 7
The left and right side edges of the bathtub 2 are suspended, and the drive mechanism 6 drives the base frame 5 corresponding to the upper surfaces of the left and right side walls 4 and 4.
Hanging from the left and right legs 8, 8 so as to be able to be extended and wound up, and suspending the seat 7, and detachably and horizontally on the front surface 61 of the front portion 40 of the base frame 5. Shaft center M
A backrest part 60 whose upper part is pivoted so that it can freely swing around
And a link member for connecting the backrest 60 and the seat 7
63.

A base frame 5 is disposed on the upper surface of the front wall 3 of the bathtub 2 and on the upper surfaces of the left and right side walls 4, 4, in the front part in the left-right direction.
The front part 40 includes left and right legs 8, 8 extending rearward from both left and right ends of the front part 40. In the present invention, the front wall 3 is
The wall portions forming one short side of the bathtub 2 having a rectangular shape in a plan view are defined, and the left and right side walls 4 and 4 are defined as a pair of wall portions forming the long side of the bathtub 2.

The backrest 60 is formed of a plate-shaped main body 60a.
And the front part of the base frame 5 from both ends of the upper side of the main body part 60a.
And a pair of mounting portions 60b, 60b extending to the 40 side. Slide guide rails 62 are provided on both left and right sides of the main body 60a. Further, as shown in FIG.
Left and right shaft portions 64, 64 are fixed to the distal ends of 60b, 60b. Further, shaft mounting portions 65, 65 are provided on the front portion 40 of the base frame 5 so that the shaft portions 64, 64 can be detachably mounted, and the shaft portions 64, 64 are rotatably supported around the horizontal axis M. .

The mounting portions 60b, 60 of the backrest 60
The shaft portions 64, 64 of the base frame 5 are attached to the shaft mounting portions 65, 64 of the front portion 40 of the base frame 5.
At 65, it is rotatably pivoted about the horizontal axis M. further,
The slide guide rail 62, 62 of the main body portion 60a, is pivotally connected to one end of the link member 63 to the horizontal axis L ₁ around the vertical slide freely and the left-right direction. And, the other end of the link member 63 is pivotally rotatably horizontal axis L ₂ about a lateral direction rear edge of the seat 7.

As shown in FIG. 9A, the distance A between the left and right legs 8, 8 of the base frame 5 can be changed, and the left and right rotation provided in the left and right legs 8, 8 can be changed. Shaft 14, 14
Is provided with a mutual interval adjusting mechanism 59 that enables the right and left legs 8 and 8 to move integrally.

Specifically, a cylindrical guide member 50 is fixed to the front portion 40 of the base frame 5. Also, the left and right legs 8,8
Nuts 49, 49 having female threads which are reversely threaded to each other are fixed to one end of the nut. In addition, left and right legs 8,
Adjust portions 51, 51 slidably inserted into the guide member 50 of the front portion 40 are provided on the inner surface of one end of the projection 8. The adjust portions 51, 51 are inserted into the guide member 50 via a mechanism for restricting relative rotation. Also, front 40
The adjust screw rod 52 in the left-right direction is rotatably inserted through the shaft. Male screw portions 52a and 52b which are reversely screwed to each other are formed at both ends of the screw rod 52, and the male screw portions 52a and 52b are formed.
Are screwed into left and right nut members 49, 49, respectively, so as to be able to advance and retreat. Further, a rotating hole (not shown) such as a hexagonal hole is provided on both end surfaces of the adjusting screw rod 52.

Thus, as shown in FIGS. 1 and 2, the driving mechanism 6 is provided in the base frame 5 as a portal type having a front side portion 10 and left and right side portions 11, 12 in plan view. . And
Each of the left and right sides 11, 12 has one rotating shaft 14 and a rotating shaft.
14 are rotatably supported by bearings 38.
And a winding drum 13 for winding a suspension member provided at the end.
Specifically, two winding members 13, 13 for winding a suspension member are attached to each rotating shaft 14 so as to be externally fitted, and the suspension member 9 is wound around each winding cylinder 13. Further, the front side 10 is provided with a single drive motor 15.
And a branching / transmission mechanism 16 that transmits the power from the drive motor 15 to each of the left and right rotating shafts 14, 14 while decelerating while synchronizing.
Have.

Specifically, the branching / transmission mechanism 16 includes the bearing 3
Left and right rotating shaft 17 rotatably supported at 8, 38
And a first bevel gear 18, which is fixed to both ends of the rotating shaft 17,
18, a drive motor 15, and a reduction gear group 19 for interlocking the output shaft of the drive motor 15 and the rotation shaft 17. Further, second bevel gears 20, 20 meshing with the bevel gears 18, 18 are fixed to ends of the left and right sides 11, 12 on the front side 10 side of the rotating shafts 14, 14. Here, as shown in FIG. 9B, a first bevel gear is provided at both ends of the rotation shaft 17 in the left-right direction.
18 is externally fitted so as to be slidable in the axial direction and not relatively rotated. For example, the joint between the first bevel gear 18 and the end of the rotating shaft 17 has a spline structure. 53 ... are spline grooves. In this case, the first bevel gear 18 may be rotatably attached to the leg 8. As a result, the rotating shaft 17
The power transmission is performed while sliding between the first bevel gear 18 and the first bevel gear 18, which can cope with a change in the mutual distance A between the left and right legs 8.

The second bevel gear 20 is fixed to an end of the rotating shaft 14. As described above, the mutual interval adjusting mechanism 59 includes the front portion 40 of the base frame 5, the left and right legs 8, 8, and the guide member 5.
0, nut members 49, 49, adjusting portions 51, 51, an adjusting screw rod 52, a rotating shaft 17, a first bevel gear 18, and the like.

With this configuration, if the wrench corresponding to the rotation holes at both ends of the adjusting screw rod 52 is fitted and rotated, the right and left nut members 4
9 and 49 approach or separate from each other (see FIG. 9A). Thereby, the left and right legs 8, 8 and the left and right rotation shafts 14, 14 relatively approach or separate. Therefore, the mutual interval A between the left and right legs 8, 8 can be adjusted according to the size (width) of the bathtub.

Further, as shown in FIG.
Is a worm 35 fixed to the output shaft of the drive motor 15,
A foil 36 attached to the center of the rotating shaft 17 so as to be fitted externally,
A gear 37 having at one end a wheel portion meshing with the worm 35 and having a worm portion meshing with the wheel 36 at the other end;
Consists of

Further, as shown in FIGS. 2, 4 and 6,
The left and right leg portions 8 of the base frame 5 detect the bending (slack) of the suspension members 9 and stop the drive motor 15.
Stop means 22 is provided. The detection / stop means 22
A limit switch having a small roller rotatably abutting on the lower surface of the suspension member, and a control circuit for stopping the drive motor in response to a signal from the limit switch;
And.

As shown in FIG. 6, the base frame 5
An inverting gate-shaped lower frame portion 26 placed on the upper surface of the left and right side walls 4 (and the front wall 3) of the bathtub 2, and an upper frame portion 27 detachably attached to the lower frame portion 26 so as to cover it from above. And
At the portions corresponding to the four suspension members 9 of the lower frame portion 26 and the upper frame portion 27, a suspension member insertion slit 28 is opened. The upper edge of the vertical wall inside the lower frame 26
The hanging members 9 are slidably abutted on portions corresponding to 28. A non-slip sheet 42 made of rubber or resin is attached to the lower surface of the lower frame portion 26.

Further, as shown in FIGS. 5 and 6, guide rollers 29, which roll in contact with the inner surfaces of the left and right side walls 4, 4 of the bathtub 2, are provided at the lower ends of the suspending members 9. In particular,
The seat portion 7 includes a horizontal seating portion 32, a vertical piece 33 vertically extending from the left and right side edges of the seating portion 32, and a horizontal piece 34 extending laterally outward from the lower end of the vertical piece 33. The horizontal piece 34 is provided with a hanging member insertion hole 30. The lower end of the suspending member 9 is inserted through the insertion hole 30 and folded back to stop in an annular shape. Then, a roller holding member 31 is fixed to the outer side surface of the annular portion of the hanging member 9, and a guide roller 29 is pivotally attached to the roller holding member 31 so as to be rotatable. The mat 43 is placed on the seat 7 (see FIGS. 2 and 7).

Although not shown, the base frame 5
Preferably, an upper limit stop means is provided. As the upper limit stop means, for example, a small-diameter gear fixed to one end of the rotating shaft 17 of the drive mechanism 6, a large-diameter gear that meshes with the small-diameter gear and has a detected portion such as a small protrusion near the outer periphery is used. A sensor, such as a limit switch, which is disposed near the large-diameter gear and detects a portion to be detected, and control means for stopping a motor 15 in response to a detection signal from the sensor. The sensor may detect the protrusion of the large-diameter gear when the upper limit is reached.

In order to use the bathing assistance device, the care receiver H is seated on the raised seat 7 as shown in FIG. 7A. At this time, the height of the left and right legs 8 of the base frame 5 is as low as about several centimeters, so that the care receiver H can easily get over the left and right legs 8 and sit thereon. Then, the tension is applied to the hanging member 9 by the care receiver H, and the small roller 24 of the limit switch 23 of the detecting / stopping means 22 is lowered as shown in FIG. 4 (b) and FIG. 6 (a). Then, the switch is turned on, the signal is transmitted to the control circuit 25, and the drive motor 15 becomes operable.

Thereafter, the caregiver or the cared person H operates a switch (not shown) so that the seat 7 is lowered. As a result, the drive motor 15 rotates, and the rotation is transmitted to the left and right rotation shafts 14 and 14 via the gear group 19, the rotation shaft 17 and the first and second bevel gears 18 and 20. Then, the winding drums 13 rotate integrally with the rotating shafts 14, 14, the suspension members 9 are extended, and the seat 7 descends (see FIG. 1).

At this time, as shown in FIG. 8, the link members 63, 63 rotatably connected to the seat portion 7 are attached to the backrest portion 60.
Slides down along the slide guide rails 62, 62 of the. At this time, the link members 63, 63 swing, or the backrest 60 swings about the horizontal axis M, and the seat 7 descends while keeping the horizontal.

Further, as shown in FIGS. 5 and 6 (a), while the seat 7 is being lowered, the guide rollers 29 are pressed downward while contacting the inner surfaces of the left and right side walls 4, 4 of the bathtub 2. Roll to Thereby, the swing of the seat 7 in the left-right direction can be prevented. Further, the frictional force between the guide rollers 29 and the inner surfaces of the left and right side walls 4 and 4 of the bathtub 2 can prevent the seat portion 7 from swinging in the front-rear direction. In addition, since the backrest portion 60 and the seat portion 7 are connected via the link member 63, the swinging of the seat portion 7 in the front-rear and left-right directions can be more reliably prevented. Moreover, even when the distance S between the left and right side walls 4 and 4 decreases as it goes downward, the guide rollers 29... In other words, the seat 7 can be stabilized so as not to swing back and forth and right and left in accordance with the shape of the bathtub 2 flexibly. Further, even when the seated position of the cared person H is significantly deviated from the center of the seat 7 or the seated posture is significantly deviated, the seat 7 is overturned by the provision of the backrest 60 and the link member 63. Can be prevented. In particular, it is possible to reliably prevent the care receiver H from falling to the back side.

Thereafter, as shown in FIG. 6B, when the seat 7 comes into contact with the bottom of the bathtub 2 and the hanging member 9 is loosened, the limit switch 23 is immediately turned off. That is, as shown in FIG. 4A, immediately after the hanging member 9 is loosened, the small roller 24 of the limit switch 23 rises and is turned off,
The control circuit 25 receives the signal and stops the operation of the driving mechanism 6. In order to stop the operation of the driving mechanism 6,
The drive motor 15 may be stopped, or a clutch mechanism (not shown) may be interposed (while the drive motor 15 is rotating) to disengage the clutch mechanism. As described above, when the seat portion 7 is lowered to the lowermost end, it stops automatically. In addition, the seat surface of the seat 7 can be lowered to a position close to the bottom of the bathtub 2, and most of the body of the care receiver H is immersed in hot water. Further, even when the foot is caught under the seat 7, the driving motor 15 automatically stops immediately after the hanging member 9 is loosened, so that the safety is high.

Thereafter, when the care receiver H leaves the bathtub 2, the care receiver or the care receiver H operates a switch (not shown) so that the seat 7 is raised. This allows
When the drive mechanism 6 is operated, the suspension members 9 are wound around the winding drums 13 and the seat 7 is raised (see FIGS. 5 and 6A). When raising the seat 7, use the limit switch.
The control circuit 25 is configured so that the drive motor 15 rotates (in the direction in which the seat 7 rises) even when the switch 23 is off (not shown).

Then, as shown in FIG. 7A, when the seat 7 rises to the upper end of the bathtub 2, the drive mechanism 6 is automatically stopped by an upper limit stop mechanism (not shown). Thereafter, the care receiver H can easily get out of the bathtub 2 by himself or with the help of a caregiver.

As described above, according to this bathing assistance device, the base frame 5 is disposed on the upper surface of the front wall 3 and the upper surface of the left and right side walls 4 of the bathtub 2, so that the base frame 5 is immersed in hot water. And leakage and corrosion hardly occur. Therefore, a failure is unlikely to occur and the durability is excellent. In addition, bathtub 2
Inside, the seat 7, the suspending members 9 ..., the guide rollers 29 ...
Since the backrest portion 60 only enters, the space in the bathtub can be widely used. Moreover, the base frame 5 is also compact, does not interfere with bathing, and has a high open feeling.

The guide rollers 29, the backrest 60, and the link members 63, 63 can prevent the seat 7 from swinging in the left-right and front-rear directions when the seat 7 is lowered and raised. Therefore, the position of the cared person H is stable, the cared person H is safe without accidental falling down, and the cared person H does not feel uneasy. And the seat 7 does not hit the inner surface of the bathtub 2,
The bathtub 2 can be protected. Further, the rotations of the rotating shafts 14 and 14 of the left and right sides 11 and 12 of the drive mechanism 6 can be reliably synchronized, and the seat 7 is further stabilized and troubles are further reduced. Moreover, the bathing assistance device 1 can be installed as it is regardless of the depth of the bathtub 2.

The distance A between the left and right legs 8, 8 of the base frame 5 can be adjusted according to the size (width) of the bathtub. That is, the mutual interval A between the left and right legs 8, 8 of the base frame 5 can be adapted to the width of the bathtub 2,
Compatible with bathtubs of various sizes.

The seat 7, the backrest 60, and the link member
If you remove 63, 63 and take them out of bathtub 2,
Healthy people can take a bath normally. That is, bathtub 2
The interior can be widely used and the feeling of opening is high. Moreover,
Bathtub 2 is easy to clean. When the care receiver is to take a bath, the seat 7, the backrest 60, and the link members 63, 63 may be attached again.

Next, FIG. 10 shows another embodiment, in which the lower frame 26 of the left and right legs 8 is provided with a hanging piece 44 having a shape along the inner surface of the left and right side walls 4 of the bathtub 2. Between part 26 and bathtub 2,
The anti-slip material 45 is interposed. Thereby, the bathtub 2 can be prevented from being damaged, and the base frame 5 can be more reliably prevented from moving forward, backward, left, and right. In addition, the base frame 5
In some cases, a hanging piece 44 is provided on the lower surface of the front part 40.

FIG. 11 shows another embodiment, in which a clamp member 46 is attached to the lower surface of the base frame 5. The clamp member 46 has a cross-section gate-shaped clamp body 47 fixed to the lower surface of the base frame 5 and a bolt member screwed into a screw hole provided in an outer wall of the body 47 so as to be able to advance and retreat. And a non-slip member 45 on the lower surface of the upper wall portion and the inner surface of the inner wall portion of the main body portion 47, and on the distal end portion of the bolt member 48.
Is provided. Thus, the bathtub 2 can be prevented from being damaged, and the base frame 5 can be more reliably prevented from moving forward, backward, left, and right.

FIG. 12 shows still another embodiment, in which left and right rotating shafts 14, 14 are provided inside the left and right side walls 4, 4 of the bathtub 2. That is, the lower frame 2 of the legs 8, 8
Low bottoms 26a, 26a inserted into the left and right side walls 4, 4 of the bathtub 2 are formed in the bathtubs 6, 26, and the rotating shafts 14, 14 are arranged in the low bottoms 26a, 26a. With such a configuration, the heights of the left and right legs 8, 8 can be further reduced, so that they do not hinder bathing.

In the above embodiment, the suspension member 9
Although a belt is used as the material, wire ropes, resin ropes, chains, and the like can also be used.

[0040]

Since the present invention is configured as described above, the following effects can be obtained.

According to the bathing assistance device of the first aspect, since the base frame 5 is located above the surface of the hot water and is not immersed in the hot water, it is difficult for the hot water to enter the base frame 5 and a failure can be prevented. In addition, it has excellent durability. In addition, the space in the bathtub 2 can be widely used. In addition, the base frame 5 does not disturb the bathing, and the bathing feeling can be increased and the bathing can be relaxed. Further, the bathing assistance device can be installed as it is regardless of the depth of the bathtub 2. Further, it is possible to prevent the seat portion 7 from swaying in the left / right and front / rear directions when the seat portion 7 is lowered and raised. Therefore, the posture of the care receiver H is stable and safe. In addition, the care receiver H does not feel uneasy.

According to the bathing assistance device of the second aspect, the inclination of the backrest portion 60 can be adjusted to the inclination of the front wall 3 of the bathtub 2, and the seat 7 can be kept horizontal regardless of the inclination of the front wall 3. Can be lowered and raised while maintaining

According to the bathing assistance device of the third aspect, the structure of the driving mechanism 6 is simplified and can be easily manufactured. In addition, the drive mechanism 6 can be compactly stored in the base frame 5. Furthermore, the left and right sides 11, 11 of the drive mechanism 6
The rotation of the twelve rotating shafts 14 and 14 can be reliably synchronized, and the seat 7 can be lowered and raised while maintaining the horizontal more reliably, so that safety is significantly increased. Further, the number of failures is further reduced.

According to the bathing assistance device of the fourth aspect, the mutual interval A between the left and right legs 8, 8 of the base frame 5 can be adjusted according to the size (width) of the bathtub. Therefore, the same bathing assistance device can be adapted to bathtubs 2 of various sizes.

According to the bath assisting device of the fifth aspect, when the bath assisting device is not required (for example, when a healthy person takes a bath), the seat 7, the backrest 60 and the link members 63, 63 are removed. Is taken out of the bathtub 2 and the base frame 5
If only the portion is left, the inside of the bathtub 2 can be widely used, and the feeling of opening can be enhanced. Moreover, the bathtub 2 can be easily cleaned. Also,
If the seat 7, the backrest 60, and the link members 63, 63 are attached again, the cared person can be easily bathed.

According to the bathing assisting device of the sixth aspect, it is possible to more reliably prevent the seat 7 from swinging in the left-right and front-back directions when the seat 7 is lowered and raised. Therefore, the position of the care receiver H is stable and extremely safe. In addition, the care receiver H does not feel uneasy. In addition, the seat 7 does not hit the inner surface of the bathtub 2 and the bathtub 2 can be protected.

According to the bathing assistance device of the seventh aspect, the drive mechanism 6 can be automatically stopped immediately after the seat 7 reaches the bottom of the bathtub 2. In addition, even when a foot or the like is caught under the seat 7, the driving mechanism 6 can be automatically stopped, and safety is high.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a bathing assistance device according to the present invention.

FIG. 2 is a cross-sectional view of a state where the bathing assistance device is installed in a bathtub.

FIG. 3 is a perspective view.

FIG. 4 is a diagram illustrating the operation of a detection / stop unit.

FIG. 5 is an enlarged sectional view of a main part.

FIG. 6 is an explanatory diagram of an operation of a main part.

FIG. 7 is an explanatory view of a use state.

FIG. 8 is an operation explanatory view.

FIG. 9 is a simplified explanatory diagram of a main part.

FIG. 10 is an enlarged sectional view of a main part of another embodiment.

FIG. 11 is a simplified explanatory diagram of a main part showing another embodiment.

FIG. 12 is a simplified explanatory diagram of a main part showing still another embodiment.

[Explanation of symbols]

2 Bathtub 4 Left and right side walls 5 Base frame 6 Drive mechanism 7 Seat 8 Left and right legs 9 Suspension member 10 Front side 11 Left side 12 Right side 13 Roller cylinder 14 Rotary shaft 15 Drive motor 16 Branching / transmission mechanism 22 Detection and stop means 29 guide rollers 59 spacing adjustment mechanism 60 backrest 63 the link member A spacing M horizontal axis L ₁ horizontal axis L ₂ horizontal axis

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Atsuro Takeuchi 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-shi Inside East Ceramics Co., Ltd. (72) Inventor Takeshi Takeshi 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-shi No. Touchi Toki Kiki Co., Ltd. (72) Inventor Hisayasu Sakai 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-shi Tochito Koki Co., Ltd. (72) Noriko Nagata 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-shi No. Tohoku Kikai Co., Ltd. (72) Inventor Seiichi Komura 4-1-2-3, Teizuka Yamanaka, Sumiyoshi-ku, Osaka-shi (72) Inventor Rizo 3-9-9 Nishiyuge, Yao-shi In Komla Corporation ( 72) Inventor Katsuhiko Yamashita 3-9 Nishiyuge, Yao-shi, in Komra Mfg. Co., Ltd. (72) Inventor Yasushi Yasuda 3-9, Nishiyuge, Yao-shi, in Komla Mfg. Co., Ltd. Term (Reference) 4C094 AA01 BB03 CC03 CC09 GG02

Claims (7)

[Claims] 1. A base frame 5 mounted on an upper surface of a bathtub 2.
And a drive mechanism 6 provided on the base frame 5, a seat 7 for seating the care receiver, and right and left side edges of the seat 7 are suspended, and the drive mechanism 6 can be used for feeding and winding. And a suspending member 9 which hangs down from the base frame 5. A backrest 60 inserted into the bathtub 2 is provided on the base frame 5, and a link member is attached to the backrest 60.
One end of the link member 63 is slidably connected up and down and rotatably around a horizontal axis L ₁ , and the other end of the link member 63 is connected to the rear edge of the seat 7 around a horizontal axis L ₂ . A bathing assistance device characterized by being pivotally connected. 2. The upper part of the backrest part 60 is attached to the base frame 5,
2. The bathing assistance device according to claim 1, wherein the bathing assistance device is pivotally attached around a horizontal axis M in the left-right direction. 3. The drive mechanism 6 includes a front side 10 and a left / right side.
The left and right side portions 11, 12 are provided in the base frame 5 as a plan view portal type including 11 and 12, and each of the left and right side portions 11, 12 is provided on one rotation shaft 14 and each of the rotation shafts 14. And a front member 10 for synchronizing the power from the drive motor 15 to the drive motor 15 and the left and right rotating shafts 14, 14. Branching and transmission mechanism
The bathing assistance device according to claim 1 or 2, further comprising (16). 4. The base frame 5 is provided on the left and right side walls 4, 4 of the bathtub 2.
Left and right legs 8, 8 corresponding to the upper surface are provided.
8 and the left and right legs 8,
8, the left and right rotation shafts 14, 14 provided in the left and right legs 8,
4. The bathing assistance device according to claim 1, further comprising a mutual interval adjusting mechanism 59 that is movable integrally with the bath 8. 5. The seat 7 is connected to the left and right suspension members 9 or between the suspension members 9 and the backrest 60 so as to be freely connected and detachable, and the backrest 60 is attached and detached. 4. The system according to claim 1, wherein said base frame is freely attached to said base frame.
Or the bathing assistance device according to 4. 6. The guide roller 29 according to claim 1, wherein a guide roller 29 is provided at the lower end of the suspension member 9 so as to contact and roll on the inner surfaces of the left and right side walls 4 and 4 of the bathtub 2. Bathing assistance device. 7. The device according to claim 1, further comprising a detecting / stopping means for detecting the bending of the hanging members and stopping the operation of the driving mechanism. Bathing assistance device.