JP2602920Y2 - Bathing equipment - 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 apparatus having a vertically movable stretcher and a vertically movable bathtub.

[0002]

2. Description of the Related Art Conventionally, as a bathing apparatus for bathing a physically handicapped person, an elderly person, etc., a stretcher having a bather placed on the upper surface of a stretcher section and an elevating bathtub having the stretcher section right above the bathtub body are known. In some cases, a bather placed on the upper surface of a stretcher is placed in a bathing state by setting the bathtub body upright and raising the bathtub body. In this type of bathing apparatus, since the bathtub body is unilaterally raised to make the bathing state, the bathing state is at a relatively high position, and there is a problem that it is difficult to perform assistance work for the bather. . In order to cope with such inconveniences, the stretcher of the stretcher is allowed to move up and down without stopping at the bathtub body, and the bathtub body is raised and the stretcher of the stretcher is lowered so that the bather can take a bath at an intermediate position between the two. Things are being developed.

[0003]

However, the above-described bathing apparatus has the following problems. That is,
The elevating type stretcher is usually formed in a U-shape including a leg, a support, and a stretcher, and the stretcher is inserted into the space below the elevating bath by inserting the leg into the bathtub body. It is set so that it comes directly above, and in this state, the stretcher of the elevating type stretcher is lowered, and the bathtub body is raised to bring the bather placed on the stretcher into the bathing state. Is delayed, the stretcher stretcher is pushed up at the bottom of the ascending bathtub body, and as a result, the elevating bathtub is sandwiched between the legs of the elevating stretcher and the stretcher, and the bottom of the bathtub body is lowered. Or the stretcher of the stretcher may be damaged.

The present invention has been made in view of the above circumstances, and a bathing apparatus which does not damage the bottom of the bathtub body or the stretcher of the stretcher, etc., even if the stop operation of the bathtub body is delayed during the bathing operation. The purpose is to provide.

[0005]

According to the present invention, in order to solve the above-mentioned problems, a U-shaped up-and-down type stretcher which supports a stretcher at the upper part of a column so as to be able to move up and down and has a leg at the lower end of the column is provided. Insert the legs into the lower space of the elevating tub, set the stretcher to be directly above the tub body of the elevating tub, lower the stretcher of the elevating stretcher, and raise the tub body. In the bathing apparatus for placing a bather placed on the stretcher in a bathing state, the upper surface of the legs of the liftable stretcher and the upper surface of the liftable bathtub facing each other when the stretcher is set right above the bathtub body. A switch is provided on any one of the bottom surfaces of the, and a pressing portion for operating the switch is provided on the other, and the control circuit for controlling the bath tub elevating is controlled by the switch to stop raising the bath tub body.

[0006]

[Function] During the bathing operation, that is, when the stretcher of the elevating type stretcher is lowered and the bathtub body is raised to bring the bather placed on the stretcher into the bathing state, it is erroneously raised. Even if the stop operation of the bathtub body is delayed, when the bottom of the bathtub body pushes up the stretcher, the legs of the elevating stretcher also rise at the same time, and the legs of the elevating stretcher and the bottom of the elevating bathtub move relative to each other. Approach. As a result, the switch is actuated by the pressing portion, and the control circuit for raising and lowering the bathtub is controlled to forcibly stop the rising of the bathtub body.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of the bathing apparatus according to the present invention, and FIG. 2 is a side view of the bathing apparatus.

In the drawing, reference numeral 1 denotes a lifting bath.
The elevating bathtub 1 has a bathtub body 4 provided on a bottom plate 2 via a pantograph 3, and a hydraulic cylinder 5 attached to the pantograph 3 is expanded and contracted so that the bathtub body 4 is moved up and down. In the lower part of the bottom plate 2, recesses 2a, 2a
Are formed at an appropriate distance from each other, and the recesses 2a,
A leg 11 of a vertically movable stretcher 10 described later is inserted into 2a. Reference numeral 6 denotes a hydraulic unit.

The up-down type stretcher 10 has a column 13 which is vertically divided and operated to expand and contract by a hydraulic cylinder 12 housed therein, and an upper portion 13 a of the column 13.
The stretcher 14 is supported on the lower part 13 b of the support 13.
Is provided with a leg portion 11 extending in the same direction as the stretcher portion 14 and having a bifurcated tip. A caster 11 a is attached to the lower surface of the leg 11.

The elevating stretcher 10 is connected to the stretcher 1
When the side of the elevating bathtub is set so that the bathtub 4 is directly above the bathtub body 4, the upper surface of the leg 11 of the elevating stretcher 10 and the recess 2a of the bottom plate 2 of the elevating bathtub 1 face each other. However, a limit switch 16 is provided in the concave portion 2a on the bottom surface, and a pressing portion 17 for pressing and operating the operator 16a of the limit switch 16 is provided on the upper surface of the leg portion 11 of the liftable stretcher 10 on the other side. I have.

The mounting structure of the limit switch 16 will be described. As shown in FIGS. 5 to 7, an L-shaped bracket 18 is provided on the bottom plate 2 of the elevating bathtub 1, and the bracket 18 is provided through the bracket 18. The limit switch 16 is attached so that the operator 16a is inserted through a hole 2b formed in the bottom plate 2 and protrudes downward. When the elevating stretcher 10 is set to the side of the elevating bathtub so that the stretcher unit 14 is located directly above the bathtub body 4, the pressing unit 17 is a plate-shaped pressing unit 1 having an inclined portion at the tip.
7 is positioned so as to be directly below the operation member 16 a of the limit switch 16, and is fixed to the upper surface of the leg portion 11.

FIG. 8 is a circuit diagram showing a control circuit of the bathing apparatus. In FIG.
22 is a down switch, 23 is a relay, 24 is an emergency switch for manually stopping the raising and lowering of the bathtub body 4 in an emergency, 25 is a hydraulic motor that supplies hydraulic oil to the hydraulic cylinder 5 and extends the hydraulic cylinder 5 Reference numerals 26 denote solenoid valves for releasing the hydraulic oil in the hydraulic cylinder 5 to shorten the hydraulic cylinder 5.

The up switch 20, the limit switch 16, the relay 21, the down switch 22, and the relay 23 are connected in parallel, and an emergency stop switch 24 is connected in series. Here, the limit switch 16 is 2
It is provided on each of the left and right sides of the concave portion 2a of the bottom plate 2 of the bathtub main body 4, and the legs 11 of the elevating stretcher 10 are provided with respect to the concave portion 2a of the bathtub main body 4 from either the left or right direction. It is intended to be inserted. When the raising switch 20 is turned on, the power of the hydraulic motor 25 is turned on by the relay 21, the hydraulic motor 25 supplies hydraulic oil to the hydraulic cylinder 5, and the hydraulic cylinder 5 pushes up the pantograph 3 to move the bathtub body 4. To raise. When the down switch 22 is turned on, the relay 23 is operated to energize the solenoid of the solenoid valve 26, and the solenoid valve 26 is turned on.
Is switched to form an oil bypass, the hydraulic chamber of the hydraulic cylinder 5 is opened, and the bathtub body 4 is lowered by its own weight.

Next, the operation of the bathing apparatus having the above configuration will be described. First, the bather M is placed on the stretcher 14 of the elevating stretcher 10 and is moved together with the elevating stretcher 10, and the leg 11 of the elevating stretcher 10 is inserted into the recess 2 a of the bottom plate 2 of the elevating bathtub 1. The stretcher 14 and the bather M are set so as to be directly above the bathtub body 4 (see FIGS. 1 and 2). Next, the stretcher 14 is lowered and the bathtub main body 4 is raised to bring the bather M placed on the stretcher 14 into a bathing state (see FIGS. 3 and 4).

When the bather M is put in the bathing state as described above, it is necessary to stop the raising of the bathtub body 4 at an appropriate position. At this time, if the stopping operation of the bathtub body 4 is erroneously delayed, Is that the bottom surface 4a of the bathtub body 4 pushes up the stretcher portion 14 and pushes up the entire elevating stretcher 10 (specifically, as shown in FIG.
The whole rotates clockwise with the caster 11a on the tip side (right side in the figure) as a fulcrum). At this time, the leg 11 of the elevating stretcher 10 also moves up integrally, and the leg 11 and the bottom plate 2 of the elevating bathtub 1 relatively approach each other. As a result, the limit switch 16 is actuated by the pressing portion 17, whereby the relay 21 is opened and the hydraulic motor 25 is stopped,
The rising of the bathtub body 4 is forcibly stopped. Therefore,
The bottom 4a of the bathtub body 4, the bottom plate 2, or the stretcher 1
Thus, it is possible to prevent the stretcher 14 and the legs 11 from being damaged.

In the above embodiment, the limit switch 16 is provided on the bottom plate 2 of the elevating bathtub 1 and the pressing portion 17 is provided on the leg 11 of the elevating stretcher 10. However, the present invention is not limited to this. While the limit switch 16 is provided on the leg 11 of the stretcher 10, the pressing portion 17 may be provided on the bottom plate 2 of the elevating bathtub 1. In the above-described embodiment, the limit switch 16 is used as a switch for urgently stopping the rise of the bathtub body 4, but the present invention is not limited to this, and another switch may be used.
Further, in the above embodiment, the bathtub main body 4 is raised and lowered by the lifting mechanism combining the pantograph 3 and the hydraulic cylinder 5, but the invention is not limited to this. The bathtub main body 4 may be moved up and down, and this point is the same in the elevating type stretcher.

[0017]

According to the present invention, as described above, when the stretcher is lowered and the bathtub body is raised to bring the bather placed on the stretcher into a bathing state,
Even if the stop operation of the rising bathtub body is delayed by mistake, the rising of the bathtub body can be forcibly stopped,
Damage to the bottom of the bathtub body, the stretcher of the stretcher, and the like can be prevented beforehand. In addition, the wall of the bathtub body
It is conceivable to provide a switch on the top of the unit.
If the bather or caregiver accidentally touches the switch,
There is a risk of erroneous operation, but in the present invention, the switch
Is the bather or caregiver, not the exposed tub edge
Stretcher, a place that is not easily accessible to
Because it is located on either the top of the legs or the bottom of the lifting bath,
It is extremely unlikely that such an erroneous operation will occur. In addition
Therefore, in the present invention, the lifting type
When the letcher is lifted, the stretcher legs
The relative distance between the top surface and the bottom surface of the elevating bathtub changes.
Stretches facing each other to detect changes in
Switch between the top of the
Since the structure is provided, the stretches facing each other
At least between the top of the
It is sufficient to provide a switch in one place, and as a result
The number of installations can be reduced.

[Brief description of the drawings]

FIG. 1 is a front view of a bathing apparatus according to the present invention.

FIG. 2 is a side view of the bathing apparatus.

FIG. 3 is a front view showing a bathing state by the bathing apparatus.

FIG. 4 is a side view showing the bathing state.

FIG. 5 is a side view showing a switch mounting structure.

FIG. 6 is a plan view showing a switch mounting structure.

FIG. 7 is an enlarged view of a main part showing a switch mounting structure.

FIG. 8 is a circuit diagram showing a control circuit of the bathing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Elevating bathtub 2 Bottom plate 2a recess 4 Bathtub body 5 Hydraulic cylinder 10 Elevating stretcher 11 Leg part 12 Hydraulic cylinder 13 Support 14 Stretcher 16 Limit switch 16a Operator 17 Pressing part

Claims (1)

(57) [Scope of request for utility model registration] 1. A U-shaped elevating stretcher, which supports a stretcher part at the upper part of a column so as to be able to move up and down and has a leg at the lower end of the column, inserts the leg part into a space below the elevating bathtub. The stretcher is set so as to be directly above the bathtub body of the elevating bathtub, the stretcher of the elevating stretcher is lowered, and the bathtub body is raised to bring the bather placed on the stretcher into a bathing state. In the bathing apparatus, when the stretcher is set to be directly above the bathtub body, a switch is provided on one of the upper surface of the leg portion of the liftable stretcher and the bottom surface of the liftable bathtub facing each other, and the other is provided with the switch. A bathing apparatus comprising a pressing portion for activating a switch, wherein the switch controls a control circuit for raising and lowering the bathtub to stop raising the bathtub body.