JPH0819584A - Automatic drain type bathing device - Google Patents

Abstract

PURPOSE:To provide an automatic drain type bathing device which can easily and surely reciprocate hot water between a bathtub and a hot water reserving tank. CONSTITUTION:An automatic drain type bathing device is composed of a bathtub 1, a hot water reserving tank 2 and a hot water circulating device 3 communicating with the bathtub 1 and the tank 2, for alternately circulating hot water between the bathtub 1 and the tank 2, and an automatic drain means 4 for adding hot water into the bathtub 1 and draining the tank 2, simultaneously, and a regulating means for regulating the volume of water drained from the tank 2 so as to set the volume of the drained water to be substantially equal to that of the hot water to be added to the bathtub 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathing apparatus for people with physical disabilities, elderly people and the like.

[0002]

2. Description of the Related Art As a conventional technique, Japanese Utility Model Publication No. 4-71934
Japanese Patent Publication discloses a bathing apparatus with a hot water storage tank, which includes a bathtub, a hot water storage tank, and a hot water movement line.

[0003]

The above-mentioned conventional device is
When hot water is moved back and forth between the bathtub and the hot water storage tank, when hot water remains in the hot water storage tank, the increased hot water in the bathtub may not completely move to the hot water storage tank. If all of the hot water does not move to the hot water storage tank and remains in the bathtub, the weight of the hot water causes the bathtub door to be difficult to open, and when the door is opened, the hot water jumps out and hangs on a caregiver or floods the bathroom. It is inconvenient. When the above-mentioned hot water is added, the remaining hot water in the hot water storage tank is manually drained, or the hot water storage tank is made to have a large capacity,
In addition, some measures such as overflowing the hot water moving to the hot water storage tank are taken, but in that case, the manual drainage method described above requires a large number of operating steps, and the large capacity hot water storage tank type requires a large space. Moreover, in the overflow type of the hot water storage tank, the flow rate of the pump of the hot water movement mechanism is usually extremely large, so if the drainage of the bathroom does not catch up and the water is overflowed from the hot water storage tank, the bathroom will be flooded, and there are inconveniences to each countermeasure. It was An object of the present invention is to solve the above-mentioned drawbacks, and to provide an automatic drainage type bathing device capable of easily and reliably reciprocating hot water between a bathtub and a hot water storage tank.

[0004]

[Means for Solving the Problems] That is, the present invention relates to a bathtub (1) for bathing, a hot water storage tank (2) for containing hot water, and a bathtub (1) and a hot water storage tank (2) which communicate with each other. Hot water transfer device (3) for moving water, additional hot water in the bathtub (1) and hot water storage tank (2)
It is an automatic drainage type bathing apparatus comprising an automatic drainage means (4) for synchronizing the drainage of water. Further, there is provided an adjusting means (24) for adjusting the flow rate of the additional hot water to be put into the bathtub (1) and the flow rate of drainage discharged from the hot water storage tank (2) to be substantially the same.

[0005]

In the present invention, the bathtub 1 is used for bathing and the hot water storage tank 2 is used.
Hot water is stored in the hot water, and the hot water moving device 3 communicates with the bath 1 and the hot water storage tank 2 to move the hot water to each other. The automatic drainage means 4 is the bathtub 1
The additional hot water and the drainage water from the hot water storage tank 2 are synchronized. The adjusting means 24 adjusts the flow rate of the drainage discharged from the hot water storage tank 2 to be substantially the same as the flow rate of the additional hot water to be put into the bathtub 1.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention shown in FIGS. 1 and 2 is that a bath tub 1 for bathing, a hot water storage tank 2 for containing hot water, a bath 1 and a hot water storage tank 2 communicate with each other to move hot water to each other. It comprises a hot water moving device 3 and an automatic draining means 4 for synchronizing the additional hot water in the bathtub 1 and the drainage of the hot water storage tank 2. In the bathtub 1, a door 5 is formed on the front surface, an additional hot water spout 6 for pouring additional hot water is provided at the upper edge, and a slope 7 is installed in front of the door 5.

The hot water storage tank 2 is installed on one side of the bathtub 1 to move and store hot water in the bathtub 1, and a drain port 8 is provided at the bottom of the hot water storage tank 2. The hot water moving device 3 includes a hot water supply pump 9 and a drainage pump 10 installed in the lower rear part of the housing of the bath tub 1, a hot water supply passage 11 for communicating the bath tub 1 and the hot water storage tank 2 through the both pumps 9 and 10. It consists of the drainage channel 12.

The automatic drainage means 4 comprises a hot water supply valve 14 for controlling the supply of hot water made by mixing water and hot water at a proper temperature to the hot water supply port 6, and a water discharge valve 15 connected to the water drainage port 8.
And an additional hot water indicator 16 which controls opening and closing in synchronization with the additional hot water valve 14 and the drain valve 15. The adjusting means 24 is connected to the lower flow path of the drainage port 8 and adjusts the flow rate of the additional hot water to be put into the bathtub 1 and the flow rate of the drainage water discharged from the hot water storage tank 2 to be substantially the same, and is constituted by the adjustment valve 17. To be done.

In the second embodiment shown in FIG. 3, the drain valve 15 in the first embodiment is replaced with a motor valve 25, and an additional hot water flow rate detector 26 for detecting the flow rate of the additional hot water is added to the additional hot water outlet 6
Is additionally provided in the lower flow path, and a valve controller 27 for controlling the opening degree of the motor valve 25 is additionally provided. The adjusting means 24 includes a motor valve 25 and an additional hot water flow rate detector 2
6 and a valve controller 27. The valve controller 27 receives the signal from the additional hot water flow rate detector 26 and controls the opening of the motor valve 25 so that the drainage flow rate becomes the same as the increased hot water flow rate.

Furthermore, the third embodiment shown in FIG.
In the embodiment, the additional hot water valve 14 is replaced with the additional hot water motor valve 2
In place of 8, the regulating valve 17 is replaced with a drainage amount detector 29 for detecting the drainage amount, and the additional hot water motor valve 28 is controlled based on the signal of the drainage amount detector 29 so that the additional hot water flow rate becomes equal to the drainage flow rate. The valve controller 27 is additionally provided.
The adjusting means 24 comprises an additional hot water motor valve 28, a drainage amount detector 29, and a valve controller 27. The valve controller 27
Receives the signal from the drainage amount detector 29 and controls the opening of the additional hot water motor valve 28 so that the increased hot water flow rate becomes equal to the discharged water flow rate.

In FIG. 1, reference numeral 18 denotes an emergency drain opening which is opened when the device of the embodiment is incontinent and when it is not used, 19 is a plug for the emergency drain 18 and 20 is an opening when the device of the embodiment is not used. A drain port, 21 is an end drain valve provided at the end drain port 20, 22 is an upper limit float switch that sets the upper limit of the amount of hot water and stops the drain pump 10, and 23 is a hot water supply pump when the hot water in the hot water storage tank 2 is exhausted or reaches the lower limit. It is the lower limit float switch 23 that stops the switch 9.

In use, when bathing, after a bather is set in the bathtub 1 and set, the hot water supply pump 9 is driven to move the hot water in the hot water storage tank 2 to the bathtub 1 so that the hot water is filled in the bathtub 1.
Take a bath. When leaving the bath, drive the drainage pump 10 and
The hot water is transferred to the hot water storage tank 2, the hot water in the bathtub 1 is emptied, the door 5 is opened, the bather is taken out, and the bathing is finished.

At the time of bathing, normally all the hot water in the hot water storage tank 2 is transferred to the bathtub 1, but due to the bather's convenience or some other reason, the whole may not be transferred and may be stopped by about 80%. Describe. If the hot water supply pump 9 is stopped midway while moving the hot water to the bathtub 1, about 20% of the hot water remains in the hot water storage tank 2. Under this circumstance, if more hot water is poured into the bathtub 1, the hot water in the bathtub 1 will increase. When the amount of hot water increases, all the hot water in the bathtub 1 cannot be transferred to the hot water storage tank 2 when leaving the bath, and the hot water remains in the bathtub 1. Therefore,
At the time of the additional hot water, the drain valve 15 of the hot water storage tank 2 is opened in synchronization with the opening of the additional hot water valve 14, the residual hot water of the hot water storage tank 2 is drained at the same time as the additional hot water, and the hot water is present in the bath 1 and the hot water storage tank 2. Keep the total amount of hot water constant. Then, the hot water in the bathtub 1 is completely moved to the hot water storage tank 2.

[0014]

According to the present invention described in claim 1, the automatic draining means 4 for synchronizing the additional hot water in the bathtub 1 with the drainage of the hot water storage tank 2 is performed.
Therefore, when hot water remains in the hot water storage tank 2, the bathtub 1
Even if the additional hot water is added to the bath, the hot water in the bathtub 1 can be reliably transferred, and the additional hot water can be relieved at any time, which is convenient. Further, the hot water storage tank 2 can be made to have the same volume as the bath 1, and the space occupied by the entire apparatus can be made as small as possible, which is useful in utilizing the occupied space.

According to the second aspect of the present invention, the hot water storage tank 2 is provided with the adjusting means 24 for adjusting the drainage flow rate.
Therefore, the total amount of hot water in the hot water storage tank 2 can be kept constant, and there is no shortage of hot water when hot water is supplied to the bathtub 1, which is convenient.

[Brief description of drawings]

FIG. 1 is a piping system diagram of a first embodiment of the present invention.

FIG. 2 is a perspective view of the first embodiment of the present invention.

FIG. 3 is a piping system diagram of a second embodiment of the present invention.

FIG. 4 is a piping system diagram of a third embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bath 2 Hot water tank 3 Hot water moving device 4 Automatic drainage means 17 Adjusting means

Claims (2)

[Claims] 1. A bathtub (1) for bathing, a hot water storage tank (2) for storing hot water, and a hot water transfer device (3) for communicating hot water between the bathtub (1) and the hot water storage tank (2). And an automatic drainage bath device comprising an additional drainage water in the bathtub (1) and an automatic drainage means (4) for synchronizing the drainage of the hot water storage tank (2). 2. The adjusting means (24) for adjusting the flow rate of the additional hot water to be put into the bathtub (1) and the flow rate of the drainage discharged from the hot water storage tank (2) to be substantially equal to each other. Automatic drainage bath device described.