JP2533313Y2 - Bathing equipment with hot water tank - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a bathing device provided with a hot water tank.

[Conventional technology]

As a bathing device for a physically handicapped person, a type in which an assisting person bathes a physically handicapped person lying on a stretcher, and the handicapped person comes in and out of a door provided in a bathtub as a wheelchair. Although a bathing type is known (see, for example, Japanese Utility Model Publication No. Sho 53-11592), any type of bathing device does not have a hot water storage tank.

[Problems to be solved by the invention]

As described above, the conventional bathing apparatus does not have a hot water storage tank, and it is necessary to supply a small amount of hot water to the bathtub one by one through the facility piping, so that it takes a lot of time to supply hot water, and a plurality of baths are required. When one bathes sequentially, there is a drawback that the preparation time between the end of bathing of one person and the bathing of the next person becomes longer, resulting in poor efficiency.

Above all, if the bathing device is a wheelchair bathing device with an opening / closing door, every time the individual finishes bathing, the bathtub must be discarded and the door must be opened, which is a waste of time. There was also a disadvantage that the amount of hot water was increased, and there was also a disadvantage in terms of economy due to waste of hot water.

The present invention has been made in view of the above-mentioned difficulties in the conventional bath apparatus, and an object of the present invention is to reduce the hot water supply time and eliminate waste of hot water, thereby enabling high efficiency and economical operation of a hot water storage tank. To get the bathing equipment attached,
In addition, the present invention also provides a bathing device with a hot water tank, which has been studied so that hot water can be preferably and quietly moved between the bathtub and the hot water tank.

[Means for solving the problem]

The bathing apparatus according to the present invention for achieving the above object has a bathtub provided with a bathtub A, a hot water tank B, and a hot water transfer line C communicating between the bathtub A and the hot water tank B so as to be movable. Device.

The hot water transfer line C includes a hot water supply pipe 51 having a pump P3 for supplying hot water from the hot water tank B to the bath tub A, and a main pipe P1 having a large hot water supply capacity for discharging water from the hot tub A to the hot water tank B. Auxiliary pipeline with auxiliary pump P2 with 2a and small capacity
2b.

A hot water supply air hole 3 is provided at a position higher than the surface of the bath A in a discharge pipe of the pump P3 in the hot water supply pipe 51, and a hot water tank B of a discharge pipe of the pump P1 in the drain pipe 48 is provided. A hot water discharge side air hole 4 is provided above the hot water surface.

Further, in the hot and cold water transfer line C, a bathtub scattering prevention device 5a for preventing splashing of hot water and silencing is provided at the bathtub discharge port 18 on the side of the bathtub A.

Also, in the hot water transfer line C, the hot water tank discharge port 23 on the hot water tank B side has a hot water tank scattering prevention tool 5b for preventing and scattering noise.
Is provided.

In the hot and cold water transfer line C, the suction port on the hot water tank B side
A muffler 6 for muffling is provided in the suction passage 24 above.

Further, the bathtub A is provided with a door 7 which can be freely opened and closed, and when the door 7 is open, the hot and cold water is not moved by the hot and cold water moving line C.

[Action]

In the bathing apparatus with a hot water tank configured as described above, hot water is supplied to the bathtub A from a hot water supply facility such as a boiler at a hospital or a nursing home facility where the device is installed, and the hot water in the bathtub A is transferred to a hot water transfer line. The hot water reserved in the hot water tank B is transferred to the hot water tank B by the hot water transfer line C after the bather enters the hot water tank B with a predetermined undressing posture after being transferred to the hot water tank B side through C. Return to and perform the desired bathing.

When bathing is completed, hot water can be transferred from the bathtub A to the hot water storage tank B via the hot water transfer line C again, and the bathtub A can be emptied for the next bather.

At the time of bathing, a large amount of hot water reserved in the hot water storage tank B side can be supplied to the bathtub A side in a very short time, so that not only the bathing device using a general bathtub without the door 7 but also the door 7 In the wheelchair bathing apparatus provided with the bathtub A, a plurality of persons can bathe sequentially and the like with high efficiency and economically by shortening the hot water supply time.

〔Example〕

Next, an embodiment of the present invention will be described with reference to the drawings.

The bathtub A is configured for a floor-standing type wheelchair bath, and a part of a peripheral wall is formed in an opening 8, a door 7 is provided in the opening 8, and the outside of the bath at the lower side of the opening 8 is provided. In addition, a slope base 9 for facilitating a wheelchair (not shown) into and out of the bathtub A is provided, and the door 7 is attached to the bathtub A by a hinge 10 on one side, and is provided inside the door 7. Is provided with a shield door 11 so that the opening 8 is closed in a sealed state by the shield door 11 when closed.

The hot water tank B attached to the bathtub A is to be placed on the floor similarly to the bathtub A, and the upper opening of the main body of the hot water tank B is formed as a tank closed by the lid 12.

The bathtub A and the hot water storage tank B are communicated with each other by a hot and cold water transfer line C so that hot and cold water can flow in and out. The hot and cold water transfer line C is configured as follows.

In the bathtub A, a flow path 1 having a hot water inlet 13, a bifurcated upper hot water outlet 14, and a lower hot water outlet 15 is formed on a wall opposite to the opening 8. , Hot water inlet 13,
The upper outlet 14 and the lower outlet 15 communicate with a suction / discharge port 49 provided at the bottom of the bathtub A.

The suction / discharge port 49 is covered with a filter 17 formed by punching a large number of holes in a steel plate above a pilot hole 16 formed in the bottom wall of the bathtub A, and the upper surface of the filter 17 is formed. A bathtub discharge port 18 is opened between the lower end of the inner wall 50 of the flow path 1 and the bathtub discharge port 18, and a curtain-shaped bathtub scattering prevention tool 5a made of soft material is provided. I have. In addition, the bathtub scattering prevention tool 5a also serves as a muffler for preventing the scattering of hot water.

On the other hand, in the hot water tank B, an inlet pipe 22 having a main hot water inlet 19, an auxiliary hot water inlet 20, and an air vent 21 is installed, and the discharge port 23 of the inlet pipe 22 is located at the bottom of the hot water tank B. Opened near, the hot water storage tank scattering prevention tool 5b, which is also used as a silencer, is formed around the discharge port 23 and is formed of a soft material in a flange shape,
Further, the air vent 21 is provided with a hot water discharge side air hole 4 formed by a silencer.

Further, a suction outlet 24 is opened at a separate portion at the bottom of the hot water storage tank B, and the upper portion thereof is covered with a cover plate 25, and a rubber plate or the like is provided in an opening formed by cutting off a part of the cover plate 25. The silencer 6 made of a soft material is suspended from the cover plate 25.

When hot water is supplied from the hot water storage tank B to the bath tub A, air is sucked together with the hot water from a gap between the upper surface of the bottom plate of the hot water storage tank B and the periphery of the cover plate 25, which is slightly away from the suction port 24. In addition, a silencer 6 is provided to make it difficult to suck air. With this configuration, a vortex is not generated in the vicinity of the suction port 24, and the generation of noise due to the vortex is prevented.

The hot water outlet 14 and the hot water outlet 15 on the bathtub A side
And between the main hot water inlet 19 and the auxiliary hot water inlet 20 of the hot water tank B,
They are connected by a drainage pipe 48. A hot water supply line is provided between the hot water inlet 13 on the bathtub A side and the suction outlet 24 on the hot water tank B side.
It is connected by 51.

The hot water outlet 14 and the main hot water inlet 19 are connected to each other by a main pipe line 2a including a main pump P1 having a large hot water supply capacity, and the other between the lower hot water outlet 15 and the auxiliary hot water inlet 20 is provided. The main pump P1 is connected to an auxiliary pipe 2b having an auxiliary pump P2 having a smaller hot water supply capacity than the main pump P1, and is connected to the auxiliary pipe 2b at a position between the auxiliary pump P2 and the lower hot water outlet 15. A stop valve 26 is provided, and a hot water discharge valve 27 that is normally kept in a closed state is interposed on the further upstream side of the check valve 26 at the upstream side of the check valve 26.

The hot water supply pipe 51 is provided with a large-capacity pump P3 for feeding hot water from the hot water storage tank B to the bath tub A, and is normally closed at the end of the hot water supply pipe 51 on the opposite side to the bath tub A. A hot water tank drain valve 28 that is maintained in a state is provided, and by opening the hot water tank drain valve 28 and the hot water valve 27 as needed, all the hot water in the hot water tank B and the bath A can be discharged. It is configured as follows.

Further, a hot water supply side air hole 3 constituted by an electromagnetic valve is provided in a portion between the pump P3 and the hot water inlet 13 in the hot water supply line 51, and the hot water supply side air hole 3 and the hot water storage tank B described above are provided. The hot water discharge side air hole 4 is configured to prevent an unexpected backflow of hot water from the bath tub A to the hot tub B and from the hot tub B to the bath tub A due to a siphon action or the like.

A hot water supply port 29 for supplying fresh hot water to the bath tub A from an appropriate hot water source such as a boiler is opened above the bath tub A, and hot water is supplied to a hot water supply pipe 52 connecting the hot water source and the hot water supply port 29. -An electromagnetic valve 30 for off control is interposed.

The electromagnetic valve 30 and an operating unit on the hot and cold water transfer line C including the main pump P1, the auxiliary pump P2, and the pump P3 are configured to be operated by a control circuit 53. The operation panel unit 31 is configured to be operated by operating a switch group provided on the operation panel unit 31.

The switch group includes a power switch 38, a hot water switch 3
9, hot water switch 40, bath switch 41, stop switch 4
2, consisting of a drain switch 43, etc., and an operation panel 3
In addition to the above switch group, 1 also includes a display / warning device 44 for notifying a hot water state and the like, and a bubble switch 45 for controlling the bathing device if the bathing device has a bubble generating device (not shown). It is provided with.

The control circuit 53 includes an upper float switch 32, a middle float switch 33, a lower float switch 34 provided on the hot water tank B side, a bathtub upper float switch 35 provided on the bathtub A side, a bathtub middle float switch 36, and a lower bathtub. The float switch 37 and a limit switch 46 provided at the opening of the bathtub A are connected.

The uppermost upper float switch 32 on the hot water tank B side
Is an auxiliary pump when the amount of hot water stored in hot water tank B reaches the upper limit.
P2 is automatically stopped, a middle middle float switch 33 is a switch for detecting the presence of hot water in the bathtub A in a bathing state, and a lower float switch 34 at the lowest position is The pump P3 is automatically stopped when the amount of hot water stored in the tank B reaches the lower limit.

In addition, a float switch 35 on the uppermost bathtub on the side of bathtub A side.
Detects that the bathtub A is full and automatically closes the electromagnetic valve 30 of the hot water supply line 52 for supplying new hot water,
The switch for automatically stopping the pump P3 for transferring hot water from the bathtub A to the bathtub A, the middle bathtub float switch 36 is a switch for preventing the main pump P1 from running idle, and the lowermost bathtub float switch 37 is When the amount of hot water in the bathtub A decreases to a predetermined value, the switch is a switch that stops the main pump P1 and switches and operates the auxiliary pump P2.

Further, the limit switch 46 is provided in association with the door 7, and when the door 7 is in a closed and closed state, the limit switch 46 is in a state in which the pump P3 can be operated and the above-described pump P3 can be operated. The control circuit 53 is designed so as not to operate the pump P3.

At an appropriate position of the lid 12 of the hot water storage tank B, a heating port 55 communicating with the hot water pipe 60 via a heating electromagnetic valve 54 is opened.

A thermostat 56 for detecting the temperature of the hot water in the hot water storage tank B is attached to an appropriate position on the side wall of the hot water storage tank B.
The output signal of 56 is supplied through a control circuit 53 to a heating electromagnetic valve 54.
When the temperature of the hot water in the hot water storage tank B falls below the set temperature, the heating electromagnetic valve 54 opens to supply hot water,
Increase the hot water temperature to the set temperature.

In FIG. 1, 57 is a hot water on-off valve, 58 is a water on-off valve, and 59 is a mixing valve for mixing hot water and water. In Fig. 2, 47
Is an overflow port provided in the bathtub A.

When taking a bath using the bathing device with a hot water tank configured as described above, the wheelchair on which the bather rides is put into the bathtub A through the opening 8 of the door 7 using the slope base 9, Is closed, and the bath switch 41 is operated to supply hot water from the hot water tank B into the bath tank A.

Then, the desired bath is performed. If it is necessary to add hot water to the bathtub A during the bathing, the desired amount of hot water can be freely increased by operating the hot water switch 39.

In the case of leaving the bath after finishing bathing, if the bath switch 43 is operated, first, the main pump P1 is operated, and most of the hot water in the bathtub A is quickly shifted to the hot water storage tank B side. When the hot water has decreased to the set amount, the main pump P1 stops,
Switch to the auxiliary pump P2 for the set time (for example, about
Only for 30 seconds), the remaining hot water is gently transferred to the hot water storage tank B side.

Therefore, although the suction noise increases when the amount of hot water in the bathtub A decreases, the suction noise is suppressed to a small level by the gradual transition of the hot water by the auxiliary pump P2.

Also, on the hot water tank B side, the hot water tank scattering prevention tool 5b, which is also used as a muffler, is attached to the discharge port 23, so that the hot water can be prevented from scattering. Since the generated discharge noise is suppressed to a low level, the quiet hot water transfer without causing anxiety and discomfort as a whole is quickly performed.

After the bathtub A is emptied due to the transfer of hot water to the hot water tank B, the door 7 is opened and the wheelchair is taken out of the bathtub A to complete the bathing.

Subsequently, when the next bather takes a bath, as in the first bather, the wheelchair carrying the bather is put into the bathtub A through the opening 8 of the door 7 and the door 7 is closed in a closed state. Then, when the bath switch 41 is operated, the hot water temporarily stored in the hot water storage tank B is sucked out from the suction port 24 by the pump P3, supplied to the flow path 1 from the hot water inlet 13, and Is returned to the bathtub A from the lower hole 16 and the bathtub discharge port 18.

When the amount of hot water stored in hot water storage tank B reaches the lower limit, pump P3
Is automatically stopped. At this time, the muffler 6 is provided at the suction port 24, and the pilot hole 16 and the bathtub discharge port 18 are provided.
Is provided with a filter 17 and a bathtub scattering prevention device 5a which also serves as a muffling device, so that when the hot water is transferred, the splashing of the hot water can be suppressed, and the discharge noise that occurs when the hot water collides with the bathtub A is suppressed. It is.

In addition, when hot water is supplied from the hot water supply pipe 52, if the hot water in the bathtub A becomes full, the hot water transfer is automatically stopped by the float switch 35 on the bathtub, and further hot water is added during bathing. When the hot water switch 39 is operated, a desired amount of new hot water can be freely increased from the hot water supply port 29 regardless of the on-tub float switch 35.

When the first bather takes a bath, the door 7 is first closed in a non-bathing state, and then the hot water supply switch 40 is turned off.
To supply new hot water into bathtub A. The hot water supply is automatically stopped by the electromagnetic valve 30 when the hot water in the bathtub A becomes full.

Next, this hot water is temporarily transferred to hot water storage tank B and reserved, and bath tub A is emptied.

 Next, bathe in the manner described above.

With this method, even the first bather can take a bath with a short waiting time until the bath becomes full.

Also, when the first bather takes a bath, put the bather and the wheelchair in the bathtub A, close the door 7, and then turn on the hot water supply switch.
In the method of supplying fresh hot water into bathtub A by operating 40,
It takes a long time to supply an appropriate amount of hot water, which is not preferable.

[Effect of the invention]

 The present invention has the following effects.

First, a bathtub, a hot water tank, and a hot water transfer line communicating the hot water tank between the hot water tank and the hot water tank so that hot water can flow from the hot water tank to the bathtub and from the bathtub to the hot water tank. Since the bath is a bathing device with a built-in hot water tank, a large amount of hot water reserved in the hot water tank is moved to the bath tub side in a short time by the hot water transfer line, and the intended bathing is performed. Hot water can be moved to the hot water storage tank side via the transfer line, and the bath can be emptied for the next bather.

Therefore, it is possible to efficiently and economically sequentially bathe a plurality of persons, etc., even in a wheelchair bathing apparatus using a bathtub having a door, as well as a general bathtub having no door. .

Secondly, of the hot and cold water transfer line, the drainage pipe from the bathtub to the hot water storage tank is constituted by a main pipe by a main pump having a large capacity and a auxiliary pipe by an auxiliary pump having a small capacity. Therefore, when the hot water is transferred from the bathtub to the hot water storage tank, most of the hot water is transferred quickly through the main pipe line of the main pump having a large hot water supply capacity, the amount of hot water in the bathtub decreases, and suction noise due to air suction increases. At this point, the hot water is transferred through the auxiliary pipe by the auxiliary pump having a small hot water supply capacity, so that the suction noise that increases when the amount of hot water decreases can be suppressed to be small and the operation can be quietly performed.

Third, in the hot water transfer line communicating between the bathtub and the hot water storage tank, a hot water discharge side air hole is provided in the introduction line of the hot water transfer line, and a hot water supply side air hole is provided in the hot water supply line of the hot water transfer line. With this configuration, unexpected backflow of hot water from the bathtub to the hot water storage tank and from the hot water storage tank to the bathtub can be prevented, and the bath can be bathed appropriately and safely.

Fourthly, in the hot water transfer line communicating between the bathtub and the hot water tank, a bathtub scattering prevention device is provided at the bathtub discharge port portion of the hot water bath, or the hot water tank is provided at the hot water outlet of the hot water tank. A configuration in which a scattering prevention device is provided, or a configuration in which a muffling device is provided in the hot water suction / outlet portion of the hot water storage tank is provided. Alternatively, the operating noise of the hot and cold water transfer line can be further reduced by using a configuration in which a bathtub scattering prevention device, a hot water tank scattering prevention device, a muffler, and the like coexist in the hot and cold water transfer line.

Fifth, if the bathtub is provided with a door, by providing means for preventing the hot water from being moved by the hot water transfer line when the door is opened, unexpected hot water spills outside the bathtub due to hot water supplied to the bathtub. Can be operated safely and comfortably.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings show an embodiment of the present invention, FIG. 1 is a schematic sectional view, FIG. 2 is a schematic perspective view, and FIG. 3 is a block diagram of an electrical configuration. A: bathtub, B: hot water tank, C: hot water transfer line, P1: main pump, P2: auxiliary pump, P3: pump, 2a: main line, 2b ...
Auxiliary conduit, 3 ... Hot water supply side air hole, 4 ... Hot water discharge side air hole, 5a ...
Bathtub scattering prevention tool, 5b ... hot water tank scattering prevention tool, 6 ... muffler,
7 door, 18 bathtub outlet, 23 inlet, 24 outlet, 48 drainage pipe, 51 hot water supply pipe

Claims (7)

(57) [Scope of request for utility model registration] 1. A bathtub A, a hot-water storage tank B, and a hot-water transfer line C communicating between the bathtub A and the hot-water storage tank B so as to be able to move in and out of the hot-water supply tank. ,
The hot and cold water transfer line C does not move hot water when the door 7 is open. 2. A hot and cold water transfer line C extends from a hot water tank B to a bathtub A.
Hot water supply pipe line 51 having a pump P3 for hot water supply, and bathtub A
And a hot water discharge line 48 having an auxiliary line 2b having an auxiliary pump P2 having a small capacity and a large capacity. Item 4. A bathing device provided with a hot water tank according to Item 1. 3. A hot-water supply air hole 3 is provided in the hot-water supply pipe 51 at a position higher than the surface of the bathtub A on the discharge side of the pump P3. 3. The bathing device provided with a hot water storage tank according to claim 2, wherein a hot water discharge side air hole is provided at a position higher than the surface of the hot water storage tank. 4. The bathing apparatus provided with a hot water tank according to claim 2, wherein a bathtub spatter preventing device 5a for preventing hot water supply from scattering and for silencing the hot water is provided at a bathtub discharge port 18 at a lower part of the bathtub A side in the hot and cold water transfer line C. 5. The hot water tank according to claim 2, wherein a hot water tank spatter prevention device 5b for scattering prevention and silencing is provided at the hot water tank discharge port portion 23 of the main pipeline 2a on the hot water tank B side in the hot water moving line C. Attached bathing equipment. 6. The bathing device with a hot water tank as claimed in claim 2, wherein a silencer 6 for silencing the noise is provided in the suction passage on the suction port 24 at the bottom of the hot water tank B side in the hot and cold water transfer line C. 7. A hot water tank according to claim 1, wherein a suction / discharge port 49 is provided at the bottom of the bathtub A, and the hot water in the bathtub A is transferred to the hot water tank B so that the hot water is empty. Attached bathing equipment.