JP3377341B2 - Parallel entry type wheelchair bathing device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheelchair bathing apparatus for bathing a physically handicapped person, a nursing elderly person or the like.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication No. 4-193175 of the prior art discloses a front door, a shower carrier, a bathtub body,
Disclosed is a stationary wheelchair bathing device including a casing, a drainage port, a pump, a filter sterilization device, a hot water tank, a discharge port, a hot water supply port, and a mixing valve.

[0003]

The above-mentioned conventional device is
Since the casters of the wheelchair enter the bathtub together, the hot water in the bathtub is contaminated by the casters.

Further, since there is a slope at the entrance of the bathtub,
This slope takes up a large space in the bathroom, and
When taking a wheelchair into and out of the wheelchair, the bather takes an uncomfortable tilted posture to cause anxiety, and ascends or descends in the tilted posture, which is disadvantageous because of a large amount of assistance effort.

Further, there is a drawback that the caster portion of the wheelchair is added to the water depth of the bathtub and the amount of hot water increases. An object of the present invention is to solve the above-mentioned drawbacks, and to provide a parallel-access wheelchair bathing device that reduces contamination of hot water in a bathtub, is easy to assist, and can bathe comfortably.

[0006]

That is, the present invention comprises a bathtub (3) with a door and a wheelchair (1) for bathing, the wheelchair (1) including a traveling carriage section (4), A seat part (5) on which a bather is placed, and at least one space connecting body (6) for connecting and supporting the seat part (5) on the carriage part (4) at a predetermined height, When the wheelchair (1) is moved into and out of the bathtub (3) , the passenger seat (5) is moved to the bathtub (3).
In and out, the truck part (4) goes in and out of the lower part of the bathtub (3) , and the space connector (6) is stored in the seat part (5) and / or the truck part (4). It is a parallel approach type wheelchair bathing device. At least one place of the space connection body (6) is composed of a support arm (14) structure, and when the wheelchair (1) is moved into and out of the bathtub (3), the support arm (14) is ridden on the bottom wall (7). Corresponds to the bottom wall (7) and is accommodated in the seat portion (5) and / or the carriage portion (4). In addition, the space connecting body (6) is provided with the advancing / retreating tool (4
2) comprises an actuating mechanism (38) and a sensor (40) for detecting the presence of the seat (5) on the bottom wall (7), and when the wheelchair (1) is moved into and out of the bathtub (3), The operating mechanism (38) has a sensor (4
The detection signal of (0) is used to infiltrate into the carriage (4) and support the seat (5).

[0007]

When bathing by using the present invention, the caregiver opens the door 2 and pushes the wheelchair 1 on which the bather is placed into the bathtub 3, and the space connecting body 6 which supports the seat portion 5 at a predetermined height. Is released by the bottom wall 7 of the bathtub 3 and the seat portion 5 and the carriage portion 4
Are stored inside the bathtub 3 and outside the bathtub 3, that is, the seat portion 5
Enters the bottom wall 7 of the bathtub 3, the dolly portion 4 enters below the bottom wall 7, and the seat portion 5 is separated from the dolly portion 4.

In the case where the space connecting body 6 is used as the support arm 14, when the wheelchair 1 is moved back and forth in the bathtub 3, the support arm 14 is sunk or projected into the seat portion 5 and / or the carriage portion 4 at the bottom wall 7. It is stored. In the case where the space connecting body 6 is used as the operating mechanism 38, when the wheelchair 1 is moved back and forth in the bathtub 3, the operating mechanism 38 sneaks into the connected portion 53 of the truck portion 4 by the detection signal of the sensor 40 provided in the truck portion 4. Or it is projected.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention shown in FIG. 1 of the functional explanatory diagram comprises a wheelchair 1 for bathing and a bathtub 3 with a door 2. The wheelchair 1 has a trolley portion 4 for traveling, The dolly unit 4
And a pedestal part 5 that is detachably mounted on the pedestal and a pedestal part 5 that supports or disconnects the pedestal part 5 from the dolly part 4, and at least one end can be detached from the dolly part 4 or the pedestal part 5. And a space connecting body 6. At least one space connecting body 6 is provided. Usually, it is provided separately in two locations, as in the first embodiment.

Between the bottom wall 7 of the bathtub 1 and the floor 8 is a carriage unit 4
There is a predetermined space for entering. A lock groove 32 is formed on the back side of the bottom wall 7 to lock the carriage portion 4 when the carriage portion 4 reaches a predetermined position under the bottom wall 7.

On the side portion 10 of the base frame 9 of the seat portion 5, a plurality of introducing rollers 11, a connected pin 12 composed of a plurality of protrusions, a hooking pin 13, and a space connecting body 6 are provided. Is provided. In the first embodiment, the space connecting body 6 is composed of a support arm 14, and the support arm 14 is composed of front and rear support arms 14A and 14B.

The upper portion of the rear support arm 14B is pivotally supported by the base frame 9 by a shaft 16-4, and is urged downward from the base frame 9 by a spring 17-3 when not in the bath 3. Is in a protruding state and supports the seat portion 5. A connecting leg 18 composed of a roller or the like is attached to the lower end of the rear support arm 14B, and a catch hook portion is provided at the upper end of the rear support arm 14B to prevent the arm 14B from rotating from the hanging posture to the right. 20 is formed, and a rear operation guide 19B that moves by contacting the bottom wall 7 is attached to the central portion of the rear support arm 14B in the hanging direction.

A stopper 21 for preventing the rear support arm 14B from rotating to the left is rotatably supported by the base frame 9 to support the rear support arm 14B so as to prevent the rear support arm 14B from rotating to the left. A stopper operating guide 23 is attached to the lower end portion of the stopper 21 by being hooked on the stop shoulder portion 22. A handle 25 for moving the wheelchair 1 is provided at an upper end portion of the backrest portion 24 of the seat portion 5.

The front support arm 14 is provided at the front of the carriage 4.
A is pivotally supported in an upright state, and a hooking portion 26 that is hooked to the connected pin 12 is formed at the upper end of the front support arm 14A. A front operation guide 19A that moves by contacting the bottom wall 7 is provided at the center of the front support arm 14A in the upright direction. The front support arm 14A supports the front portion of the seat portion 5.

On the dolly portion 4, a levitation preventing member 27 for preventing the occupant portion 5 from floating and separating is erected and its base end is pivotally supported. A hook 28 is provided on the tip of the floating preventive tool 27.
Is formed and is retained by the retaining pin 13 to prevent the floating device 2
A release guide 36 that moves against the bottom wall 7 is provided at the center of the standing direction of 7.

A dolly lock 31 is provided on the dolly unit 4 and has a protrusion 30 urged by the elevating unit 29 upward. The trolley lock 31 fits into a lock groove 32 formed on the back side of the bottom wall 7 when the trolley portion 4 reaches a predetermined position below the bottom wall 7. At the rear part of the trolley part 4, a leg support 33 into which the connecting leg 18 of the rear support arm 14B is fitted is formed,
The leg support 33 receives the weight of the rear portion of the seat 5 and connects the seat 5 and the carriage 4.

In FIG. 1, 34 is a bogie stop, 35 is a caster, 15B is a rear connecting body stop that blocks the rear support arm 14B from rotating to the right, 46 is a bogie guide, 49 is a bathtub guide, and 50 is a forward / backward slope. Is.

When using the first embodiment, the caregiver pushes the wheelchair 1 on which the bather is placed on the seat portion 5 into the bathtub 3 having the door 2 opened from the foot side of the bather. When the wheelchair 1 is pushed toward the bathtub 3 while holding the handle 25, the passenger seat portion 5 climbs up onto the bottom wall 7 and enters, and the carriage portion 4 dives under the bottom wall 7.

When the passenger seat 5 enters the bathtub 3, first, the introduction roller 11A in front of the passenger seat 5 is attached to the lower wall 7 which is slightly higher than that portion, and the forward / backward slope 50 in front of the bottom wall 7 is provided. While riding in contact with each other, the weight of the front portion of the seat portion 5 is transferred from the front support arm 14A to the bottom wall 7. The coupled pin 12 is slightly floated from the front support arm 14A of the front coupling body 6A, and when the wheelchair 1 is further pushed into the bathtub 3, the front operation guide 19A abuts on the front portion of the bottom wall 7, The support arm 14 rotates right about the shaft 16-1 and falls down, and the front support arm 14A is infiltrated and stored in the carriage 4. That is, when the front introduction roller 11A rides on the advancing / retreating slope 50, the entrance of the passenger seat 5 into the bathtub 3 is sensed, and the front connecting body 6A can be released.

When the wheelchair 1 is further entered, the release guide 36 comes into contact with the front portion of the bottom wall 7 and rotates right about the shaft 16,
The floating preventive tool 27 is housed in the dolly unit 4. When it is continuously entered, the rear introduction roller 11 moves onto the forward / backward slope 50 of the bottom wall 7, the rear part of the seat portion 5 slightly floats, and the weight of the rear part of the seat portion 5 moves to the bottom wall 7 and the wheelchair 1 Since the state that the rear support arm 14B has also entered the bathtub 3 has been detected, the rear support arm 14B can be decoupled.

When the vehicle lock 31 is continuously entered,
At the end of the approaching movement of the trolley part 4, the trolley part 4 is inserted into the lower part of the bottom wall 7 and is fitted into the lock groove 32 to fix the dolly part 4 to the insertion position. When it is continuously advanced, the stopper operation guide 23 comes into contact with the front portion of the bottom wall 7, the stopper 21 rotates counterclockwise about the shaft 16, and the receiving shoulder portion 22 moves.
Leave 4B. The turning function of the stopper 21 is released by the rotation of the stopper 21, so that the rear support arm 14B is allowed to rotate to the right. The stopper 21 is normally in a suspended state, and the rear support arm 14B is in a suspended state and is fixed in a non-rotating state. The stopper 21
Fixes the rear support arm 14B in a non-rotating state so that the seat portion 5 does not move forward with respect to the carriage portion 4 and does not collapse.

When it is continuously entered, the post-operation guide 19B
Comes into contact with the front portion of the bottom wall 7, and at this time, the rear support arm 14B
Is in a rotatable state, the arm 14B is rotated counterclockwise by the rear operation guide 19B and is housed in the seat portion 5. At this time, the rear support arm 14B is detached from the dolly unit 4 and the connection is released, and at the same time, the dolly unit 4 is locked to the bottom wall 7 by the dolly lock 31.

Next, only the seat portion 5 is pushed further into a predetermined position of the bathtub 3 to complete the pushing operation of the wheelchair 1 into the bathtub 3. The front introduction roller 11A of the seat 5 is lightly fixed by a seat lock guide 48 such as a spring type. In addition, an in-bath guide 49 is provided in the bathtub 3 to guide the introduction rollers 11A and 11B to regulate the forward / backward movement, and the carriage unit 4
Prevent deviation. The door 2 is closed, and the bathtub 3 is filled with hot water using a feeding / moving device (not shown) to bathe.

At the time of leaving the bath, the hot water moving device is operated to move or drain hot water from the bathtub 3 to the outside of the bathtub 3, the door 2 is opened, and the wheelchair 1 is pulled out with the handle 25. When the wheelchair 1 is retracted from the bathtub 3, first, the passenger seat 5 is retracted, and the rear introduction roller 11 is moved from the forward / backward slope 50 at the front end of the bottom wall 7.
B comes out and the rear support arm 14B shifts from the horizontal posture to the hanging posture by the spring force, the rear introduction roller 11B is fitted in the leg support 33, and the carriage portion 5 is connected to the carriage portion 4. As the rear connecting body 6B of the seat portion 5 is withdrawn, the weight of the latter half of the seat portion 5 is transferred from the bottom wall 7 to the rear support arm 14B, and the front introduction roller 1
1A is in the bathtub 3, and the front support arm 14A is not connected, but the dolly portion 4 is connected to the seat portion 5 and the dolly portion 4 is pulled out.

When the wheelchair 1 is further withdrawn, the carriage lock 31 disengages from the lock groove 32 against the spring force, and the carriage portion 4
And the bottom wall 7 are unlocked. Next, the stopper 21 is disengaged from the bottom wall 7 and rotated right about the axis,
The receiving shoulder portion 22 of the above is hooked on the rear support arm 14B, and the rotation of the rear support arm 14B is blocked. When it is further retracted, the anti-floating device 27 comes out from the bottom wall 7, and the anti-floating device 2
7 is urged by the spring 17-2 to stand up, and the latch pin 13
Be hooked on. Then, when you exit, the post-introduction roller 1
1B comes off from the bottom wall 7.

When it further retreats, the front support arm 14A comes out of the bottom wall 7, rises by the spring force, and the hooking portion 26 is hooked on the connected pin 12 in front. When it is further retracted, the front introduction roller 11A comes off the bottom wall 7, and the seat portion 5
The weight of the front part of the is transferred from the bottom wall 7 to the front support arm 14A.
By this work, the wheelchair 1 exits the bathtub 3 and finishes bathing.

In the second embodiment of the present invention, the support arm 14 of the first embodiment is replaced with an actuating mechanism 38 and a sensor 40. The operating mechanism 38 is a front / rear operating mechanism 38A.
38B, the front actuation mechanism 38A is provided in the front part of the carriage unit 4, and the rear actuation mechanism 38B is provided in the rear part of the carriage unit 4. The actuating mechanism 38 is an actuating housing 43 that is actuated by an electric signal or the like and has an advancing / retreating tool 42 inside.

The sensor 40 is a front / rear sensor 40.
A ・ 40B, front / rear sensors 40A ・ 40B
A proximity switch using magnetism is preferable. The front sensor 40A detects an event that the front part of the carriage 4 has entered the bathtub 3 and operates the front operating mechanism 38A, and the rear sensor 40B detects an event that the rear part of the carriage 4 has entered the bathtub 3. The post-operation mechanism 38B is operated.

In the second embodiment, when the wheelchair 1 is advanced into the bathtub 3, the front introduction roller 11A detects the entry into the bathtub 3 and the front sensor 40A is activated to activate the front activation mechanism 38.
When the advance / retreat tool 42A of A is retracted and further advanced, the rear sensor 40B retracts the rear retractor 42B of the rear actuation mechanism 38B. When the wheelchair 1 is pulled out of the bathtub 3 when leaving the bath, the rear sensor 40B is activated before the rear introduction roller 11B comes out of the bathtub 3, and the rearward / rearward movement tool 42B of the rear operating mechanism 38B is projected upward. When it is further pulled out, the front sensor 40A moves the forward / backward movement tool 4 of the front actuation mechanism 38A.
2A is projected upward.

In FIG. 2, a carriage guide 46 guides the carriage portion 4 to a suitable position in the bathtub 3, a magnet 47 acts front / rear sensors 40A / 40B, and 45A / 45B front / rear connected portions. , 44 is a battery, 41 is a set indicator for instructing the set position of the carriage 4, and 37 is a forward / backward movement tool 42 of the front actuation mechanism 38A when the carriage 4 reaches the set position.
It is a fixed part of the truck that receives A.

Although the operation and locking of the space connecting body 6 are automatically performed, the significance of the present invention does not change even if these operations are performed manually rather than automatically.
Further, the introduction roller 11 is attached to the seat portion 5,
The roller 11 may be attached to the bottom wall 7 side. In addition, one of the plurality of space connecting bodies 6 provided is the bathtub 3
It may be removed when the wheelchair 1 is put into the.

[0032]

According to the present invention described in claim 1, the seat portion 5 is provided.
Since there is a space connecting body 6 which supports and connects the carriage 4 at a predetermined height substantially corresponding to the height between the upper surface of the bottom wall 7 and the lower surface of the bottom wall 7, the seating portion 5 on which the bather rides is enlarged. It can be put in and taken out of the bathtub 3 in a substantially parallel movement state without being tilted, and the caster 35 does not pollute the hot water in the bathtub 3 so that the hot water can be kept clean and hygienic. Is convenient.

Further, since the slope which is used in the conventional apparatus is not required, the space occupied by this can be reduced, which is convenient. Further, since the seat portion 5 can be moved in a substantially parallel movement from the carriage portion 4 into the bathtub 3, the caregiver does not have to operate on the slope, and the wheelchair 1 can be easily taken in and out, and the bath Since the person does not have an unfavorable posture such as being in a tilted state, it will reduce the impartation of anxiety,
It is convenient.

Further, since the trolley portion 4 is located outside the bathtub 3, that portion does not occupy space in the bathtub 1, the depth of the bathtub 3 can be made shallow, and the amount of hot water is small, which is economical and convenient.

In addition, compared with various conventional devices, the seat portion 5 does not rotate so that the user can take a bath with peace of mind. Since the bathtub 3 does not rotate, the bathing posture is not restricted and the user can take a bath in a comfortable posture. Since the casters 35 do not occupy the space on both sides of the bathtub 3, there are various advantages such as space saving, and because the edge of the bathtub 3 is not high, it is easy to care from the surroundings.

According to the present invention as set forth in claim 2, since the front and rear support arms 14A and 14B are automatically actuated in response to the space connector 6 being pushed in and pulled out, the operation is convenient and convenient. is there.

According to the third aspect of the present invention, the space connecting body 6 is constituted by the front / rear actuating mechanisms 38A / 38B having the advancing / retreating tools 42A / 42B and the front / rear sensors 40A / 40B. It is possible to simplify and lighten the member that supports the. Therefore, the number of manufacturing steps can be reduced, and the operability of the caregiver can be improved, which is convenient.

[Brief description of drawings]

FIG. 1 is a side cross-sectional view before putting a wheelchair into a bathtub according to the first embodiment of the present invention.

FIG. 2 is a side cross-sectional view after putting a wheelchair in the bathtub according to the first embodiment of the present invention.

FIG. 3 is a side sectional view before putting a wheelchair into the bathtub in the second embodiment of the present invention.

[Explanation of symbols]

1 wheelchair 3 bathtubs 4 dolly 5 Seat 6 space connection 6A front connection 6B Rear connection 7 bottom wall 14 Support arm 14A front support arm 14B Rear support arm 38 Actuating mechanism 38A Pre-operation mechanism 38B Rear actuation mechanism 40 sensors 40A front sensor 40B rear sensor 42 Advancement tool 42A Forward retreat 42B Reverse gear

Claims (3)

(57) [Claims] 1. A bathtub (3) with a door and a wheelchair (1) for bathing, the wheelchair (1) comprising a trolley part (4) for traveling and a seat part (5) for a bather. ) And at least one space connecting body (6) for supporting and connecting the seat portion (5) on the carriage portion (4) at a predetermined height, and connecting the wheelchair (1) to the bathtub (3). ) In and out,
The seat part (5) goes in and out of the bathtub (3), and the carriage part (4)
The space connection body (6) that enters and exits below the bathtub (3 )
Is a parallel entry type wheelchair bathing device, which is stored in the seat part (5) or / and the trolley part (4). 2. A space connecting body (6) comprises at least one support arm (14) structure, and when the wheelchair (1) is moved into and out of the bathtub (3), the bottom wall (7) is formed.
2. The support arm (14), which is in a state of being ridden on the vehicle, hits the bottom wall (7) and is accommodated in the seat portion (5) and / or the carriage portion (4). Parallel entry type wheelchair bathing device. 3. The space connecting member (6) is provided with an advancing and retracting device (4).
2) comprises an actuating mechanism (38) and a sensor (40) for detecting the presence of the passenger seat (5) on the bottom wall (7). When the wheelchair (1) is moved into and out of the bathtub (3), The actuating mechanism (38) sneaks into the trolley portion (4) by the detection signal of the sensor (40) that has detected the position situation, and projects into the seat portion (5).
The parallel approach type wheelchair bathing device according to claim 1, which supports the wheelchair.