JP3167585B2 - Bathing wheelchair stopper mechanism - 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 wheelchair stopper mechanism which is attached to a lift type bathing apparatus which is mainly used for bathing a physically handicapped person or an elderly person.

[0002]

2. Description of the Related Art A lift type bathing device is known as a bathing device for bathing a physically handicapped person or the like. In this lift type bathing apparatus, a support is erected on the floor of a bathroom, an elevating body is provided on the support so as to be able to move up and down, and a support arm is provided on the elevator so as to be pivotable in a horizontal direction. The upper chair portion of the bathing wheelchair which can be separated in the vertical direction is engaged, and the bather sitting on the wheelchair body is moved up and down together with the chair portion main body to take a bath in the bathtub. It is to let.

[0003]

By the way, in the above-mentioned lift type bathing apparatus, when the bather is lifted by the tip of the support arm together with the chair body on the upper side of the bathing wheelchair and moved into the bathtub, There was a problem that the running part under the wheelchair for bathing would move. That is, when the bather is lifted and moved into the bathtub together with the chair body on the upper side of the bathing wheelchair, the lower running part of the bathing wheelchair is locked for the time being, but the support portion of the locked caster is not locked. When the person moves and consequently moves and lifts the bather after bathing and again engages the chair body with the running part, the caregiver or the like returns the running part to the original stop position and fixes it. There is a problem that it has to be performed, and very troublesome work is required.

The present invention has been made in view of the above circumstances, and can be fixed at a predetermined position so that a running portion of a separated bathing wheelchair does not move, and can reduce the assistance work of a lift type bathing device. It is an object to provide a wheelchair stopper mechanism.

[0005]

To achieve the above object, according to the first aspect of the present invention, a lower part of a bathing wheelchair in which a lower traveling part and an upper chair part main body are separable. A wheelchair stopper mechanism for bathing for fixing the traveling portion of the vehicle to a predetermined position, the mechanism being rotatably provided on the base and being locked to the locked rod of the lower traveling portion. A locking member to be locked, a biasing member for biasing the locking member to the locked rod, and an operating portion for rotating the locking member. .

According to the second aspect of the present invention, the operating portion has a state in which the locking member is locked to the locked rod, and the locking member cannot be locked to the locked rod. A switching mechanism for switching to and holding any of the non-locked states is provided.

In the invention according to claim 3, the base includes:
A guide portion is provided to abut on the left and right vertical rod portions of the lower traveling portion of the bathing wheelchair to guide the traveling portion to a predetermined stop position.

[0008]

In the bathing wheelchair stopper mechanism according to the first aspect of the present invention, the bathing wheelchair carrying the bather is disposed near the base, and the operation unit is operated to operate the bathing wheelchair stopper mechanism. The running portion is fixed by locking the stop member to a locked rod of the running portion below the bathing wheelchair. In this state, the lift type bathing device is driven to lift the bather together with the chair body above the wheelchair for bathing and move the bather into the bathtub to set the bathing state. At this time,
Since the lower running part of the bathing wheelchair is held by the stopper mechanism, it does not move. Therefore, when the bather is lifted up and the chair body of the wheelchair for bathing is again engaged with the running part after bathing, the chair body may be returned to the original position when the chair body was separated from the running part. It is not necessary to perform a troublesome operation such as positioning the traveling unit, so that the burden on the caregiver is reduced.

According to the second aspect of the present invention, by operating the switching mechanism, it is possible to switch between a state in which the lower traveling portion of the bathing wheelchair can be locked and a non-locking state in which locking is impossible. The traveling part on the lower side of the wheelchair can be securely fixed, and unnecessary fixing can be avoided.

According to the third aspect of the present invention, the guide portion is brought into contact with the left and right vertical rod portions of the lower running portion of the bathing wheelchair so that the lower running portion is fixed to the predetermined position of the base. The guide can be guided to the stop position, and thereafter, the fixing operation of the stopper mechanism for the bathing wheelchair by the locking member can be easily performed.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of a lift type bathing apparatus, FIG. 2A is a side view, and FIG. In the figure, reference numeral 1 denotes a bathtub, and 2 denotes a bathing lifter. The bath lifter 2 includes a column 3 erected on the floor of the bathroom, a swing mechanism 4 provided on the column 3 so as to be able to move up and down, a support arm 5 extending from the swing mechanism 4, and a tip of the support arm 5. And an engaging portion for engaging the chair body 11 on the upper side of the bathing wheelchair 10. The bather placed on the bathing wheelchair 10 moves up and down together with the chair body 11 and turns. When it comes to the upper part of the bathtub 1, it is lowered so as to enter the bathtub 1.

The bathing wheelchair 10 is provided with a lower traveling unit 13 having casters 13a, each of which is separable.
And the chair body 11 on the upper side. Reference numeral 20 denotes a stopper mechanism for fixing the running portion of the bathing wheelchair for bathing, and fixes the lower running portion 13 separated from the upper chair portion main body 11 of the bathing wheelchair 10 at a predetermined position. Is what you do.

FIGS. 3 to 5 show the stopper mechanism 20.
A base 21 provided in a substantially rectangular parallelepiped shape is fixed to the floor surface of the bathroom, and the base 21 is locked by the lower traveling portion 13 of the bathing wheelchair 10. A locking member 22 for locking to the horizontal rod 13b is rotatably provided. The locking member 22 includes arms 22a and 22a provided in parallel with each other, and both arms 22a and 22a.
A connecting member 22b for connecting the distal ends of the two arms 2a;
The rotating shaft 22c connects the bases of the bases 2a, 22a, and the engaging claws 22d provided at the distal ends of the arms 22a, 22a. It is rotatably supported by the plate 23.

As shown in FIG. 5, a connecting member 25 composed of a plate 25a and a rod 25b fixed to the lower end of the plate 25a is fixed to one end of the rotary shaft 22c projecting outward from the support plate 23. You. The plate member 2 of the connecting member 25
A hole is formed in 5a, and one end of the rotating shaft 22c is inserted into this hole, and a fixing member 26 such as a nut is connected to one end of the rotating shaft 22c from the outside. Is stopped. Further, as shown in FIG. 4, an arc-shaped groove 25ab is provided in the plate member 25a, and a pin 27 implanted in the support plate 23 is inserted into the groove 25ab, whereby the connecting member 25 and the integral member 25 are formed. The rotation range of the locking member 22 that rotates in a specific manner is determined. Reference numeral 28 denotes a spring interposed between the connecting member 25 and the upper plate of the base 21, whereby the locking member 22 is locked in the locked rod 13 b of the lower traveling portion 13. It is energized to.

The rod 25b of the connecting member 25 has
The base end of an L-shaped lock lever 29 is fitted and fixed externally. When the lock lever 29 is pulled forward as shown by the two-dot chain line (a) in FIG. 4, the locking member 22 is brought into the non-locked state, and as shown by the solid line (b) in FIG. When the spring member 28 is removed and becomes upright by the urging force of the spring 28, the locking member 22 is locked by the non-locking rod 13b of the traveling portion 13 below the bathing wheelchair 10.

The lock lever 29 is provided with a switching mechanism 30 for switching and holding the locking member 22 between a locked state and a non-locked state. Switching mechanism 30
Are locking grooves 31a and 31b formed so as to be orthogonal to the long holes 31 provided in the upper plate portion 21a of the base 21 as shown in FIG. And a spring 32 interposed between the lock lever 29 and the lock lever 29 to rotate the lock lever 29 clockwise in FIG. And according to this switching mechanism 30,
When the lock lever 29 is engaged with the locking groove 31a in FIG. 5, as shown by a solid line (b) in FIG.
2 is brought into a locked state, and when the lock lever 29 is engaged with the groove 31b, the locking member 22 is brought into a non-locked state as shown by a two-dot chain line (a) in FIG. is there.

Reference numeral 33 denotes a pair of left and right guide discs rotatably supported via brackets attached to the base 21. The guide discs 33 are used for the wheelchair 1 for bathing.
Left and right vertical rod portions 13 of the lower traveling portion 13
c, 13c to guide the traveling portion 13 to a predetermined stop position. Therefore, the pair of guide members 3
The outside dimensions of the running parts 13 and 33 are set to values slightly smaller than the inside dimensions of the left and right rod parts 13c and 13c of the running part 13.

Reference numeral 35 denotes a damper disposed substantially at the center of the upper plate of the base 21, as shown in FIG. 4, for supporting the lower end of the support arm 5 of the lift type bathing apparatus. 3
6 is a bracket provided inside the base 21 to support the lower portion 35a of the damper 35, and 37 is a pipe material attached to the upper portion of the base 21.

Next, the operation of the bathing wheelchair stopper mechanism having the above configuration will be described. First, a bather is put on the bathing wheelchair 10 and carried to the vicinity of a base 21 fixed at a predetermined position in the bathroom. And the wheelchair 10 for bathing,
The right and left vertical rod portions 13c, 13c are
By contacting the outside of the guide disks 33, 33 of
As shown in FIG. 1, the bathing wheelchair 10 is brought closer to the base 21 while guiding the wheelchair 10 to the base 21 so as to have the same gap in the left-right direction.

At this time, the lock lever 29 is previously brought to the groove 31b connected to the long hole 31 of the upper plate 21a of the base 21, and the locking member 22 is disengaged. The running part 13 of the bathing wheelchair 10 is
, The horizontal bar 13b of the traveling portion 13 is brought to the engagement position. Then, the lock lever 29 is pulled out of the groove 31b and moved along the long hole 31, and the groove 31a is moved.
To the position opposite to.

At this time, since the connecting member 25 is urged in the counterclockwise direction in FIG. 4 by the spring 28, the lock lever 29 also receives a rotational force from the inclined state to the upright state. The lock lever 29 can be brought to a position facing the groove 31a with little force. And lock bar 2
9 comes to a position facing the groove 31a.
The lock lever 29 is pulled by the action of
a. At the same time, the locking member 22 that rotates integrally with the lock lever 29 via the connecting member 25,
Engagement with the horizontal bar 13b of the traveling portion 13 of the bathing wheelchair 10 results in a locked state.

When the locked state of the locking member 22 is maintained, the lift type bathing device is driven to lift the bather together with the chair body 11 on the upper side of the bathing wheelchair 10 to lift the bathtub 1. When the bather is lifted up and the chair body 11 of the wheelchair for bathing is re-engaged with the running section 13, the running section 13 remains fixed. What is necessary is just to return to the original position when the main body 11 was separated from the traveling unit 13, and there is no need for a caregiver or the like to perform a troublesome operation such as positioning the traveling unit.

After bathing, the lock lever 29 is disengaged from the groove 31a against the spring 32, and then moved along the long hole 31 to be engaged with the groove 31b. 22 is set in a free state. As described above, after the lock by the locking member 22 is released, the person after bathing may be moved to a predetermined place by moving the bathing wheelchair 10 together.

The bathing wheelchair stopper mechanism 20 of the present invention is not limited to the above-described embodiment,
Specific configuration requirements such as the shape of the locking member 22 can be changed as appropriate upon implementation. For example, in the above-described embodiment, the locking member 22 of the stopper mechanism 20 is locked to the horizontal bar 13b of the traveling portion 13 of the bathing wheelchair 10. However, the present invention is not limited to this. As shown in the figure, a structure may be employed in which the locking member 22 is engaged with a horizontal bar on the side of the running portion 13 of the bathing wheelchair 10. Further, the locking member 22 may be engaged with a bar portion extending in the vertical direction of the bathing wheelchair 10.

[0025]

According to the first aspect of the present invention, since the separated running portion can be fixed so as not to move, after taking a bath, the bather is lifted and the chair body of the bathing wheelchair is engaged with the running portion again. It is only necessary to return the chair body to the original position when the chair was separated from the running part, and it is not necessary for the helper etc. to perform the troublesome work of aligning the running part, so the burden on the helper Can be reduced.

According to the second aspect of the present invention, by operating the switching mechanism, it is possible to switch between a state in which the lower running portion of the bathing wheelchair can be locked and a non-locked state in which locking is impossible. The running part on the lower side of the wheelchair can be securely fixed, and inadvertent fixing can be avoided.

According to the third aspect of the present invention, the guide portion is brought into contact with the right and left vertical rod portions of the lower running portion of the bathing wheelchair, so that the lower running portion is fixed to the predetermined position of the base. The guide can be guided to the stop position, and thereafter, the fixing operation of the stopper mechanism for the bathing wheelchair by the locking member can be easily performed.

[Brief description of the drawings]

FIG. 1 is a plan view of a lift type bathing apparatus to which a wheelchair stopper mechanism for bathing is assembled.

FIG. 2A is a side view of the lift type bathing apparatus, and FIG.
FIG. 3 is a view as viewed in the direction of the arrow X in FIG.

FIG. 3 is a partially sectional front view showing a wheelchair stopper mechanism for bathing according to one embodiment of the present invention.

FIG. 4 is a side sectional view of the bathing wheelchair stopper mechanism.

FIG. 5 is a cross-sectional plan view of a part of the bathing wheelchair stopper mechanism.

FIG. 6 is a plan view of a lift type bathing apparatus with a wheelchair stopper mechanism for bathing according to another embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 bath tub 2 bath lifter 3 support 4 turning mechanism 5 support arm 10 bathing wheelchair 11 chair body 13 running section 20 stopper 21 base 22a arm 22b connecting member 22c rotating shaft 25 connecting member 29 lock lever 30 switching mechanism 31 long hole 31a Locking groove 31b Locking groove 33 Guide disk 35 Damper

Claims (3)

(57) [Claims] 1. A bathing wheelchair (10) in which a lower traveling section (13) and an upper chair section main body (11) are separable.
A bath wheelchair stopper mechanism (20) for fixing a lower traveling portion of the lower traveling portion to a predetermined position, comprising: a base (21); A locking member (22) for locking the locked rod of the portion (13b), a biasing member (28) for biasing the locking member in a direction locking the locked rod. A wheelchair stopper mechanism for bathing, comprising an operation part (29) for rotating the locking member. 2. The bathing wheelchair stopper mechanism according to claim 1, wherein the operation portion includes a state in which the locking member is locked to the locked rod, and a state in which the locking member is locked. A wheelchair stopper mechanism for bathing, characterized in that a switching mechanism (30) for switching to and holding a non-locking state in which the wheelchair cannot be locked is provided. 3. The bathing wheelchair stopper mechanism according to claim 2, wherein the base abuts on left and right vertical rod portions (13c) of a lower traveling portion of the bathing wheelchair. A pair of left and right guide disks (33, 3) for guiding the part to a predetermined stop position
A wheelchair stopper mechanism for bathing, characterized in that 3) is provided.