JPH10325611A - Bath water circulation purifying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent dirt of the tank wall of a bath tank by providing a second discharge pipe branched from a first discharge pipe and effecting a flow of discharge water along a tub wall from the whole periphery of the upper part of a bath tub. SOLUTION: After bath water 3 pumped up through a water suction pipe 5 by operating a circulation pump 4 is heated by a heat source 8, water is purified in a purifying unit 9 through a circulation channel 7. Further, after bath water 3 is sterilized by a sterilization lamp 13, the bath water is returned to the bath tub 2 through a valve 11 and a first discharge pipe 6. A part of a purified bath water 3 is caused to flow in a second discharge pipe 25 and discharged in an atomized state through the pores of the second discharge pipe 25 along the tub wall from the whole periphery of the upper part of the bath tub 2. This constitution brings the tub wall into a wet state and prevents adhesion of dirt to the tub wall to which dirt is heretofore easily adhered.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bath water circulation purifying apparatus for circulating and purifying bath water in a bathtub.

[0002]

2. Description of the Related Art Conventionally, such a bath water circulation purifying apparatus has been filed by the present applicant in Japanese Patent Application No. 8-152500. In the above-described apparatus, the bath water in the bathtub is sucked up by the circulation pump, circulated in the circulation passage, returned to the bathtub, and filtered by the purification unit provided in the middle of the circulation passage.

[0003]

As described above, in the above apparatus, the circulating water is filtered, so that the bath water is purified. However, there is a disadvantage that the bathtub wall remains dirty. In particular, dirt easily accumulates near the water line of the bathtub, and finally, bathers need to lightly wash the water line area when getting out of the bath, which is inconvenient.

Accordingly, the present invention has been made in consideration of such conventional drawbacks, and provides an easy-to-use bath water circulation purifying apparatus which prevents contamination of a bathtub wall.

[0005]

According to a first aspect of the present invention, there is provided a circulating pump, a heat source, a purification unit, a water absorption pipe disposed in a bathtub, and a first discharge pipe. And a second discharge pipe branched from the first discharge pipe and configured to flow discharge water from the entire periphery of the upper part of the bathtub along the tank wall.

The first invention desirably provides a switching valve at a branch of the first discharge pipe and the second discharge pipe.

[0007] The first invention desirably provides pores at substantially equal intervals in the second discharge pipe.

[0008] A second aspect of the present invention provides a circulating pump, a heat source,
The cleaning unit includes a purifying unit, a water absorption pipe disposed in the bathtub, and a discharge pipe, and discharges water from the entire upper periphery of the bathtub along the tank wall.

In a second aspect of the present invention, the discharge pipe is desirably formed integrally with the bathtub, and is provided with a connection portion with the bath water circulation purification device.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A bath water circulation purifying apparatus according to a first embodiment of the present invention will be described with reference to FIGS. FIG.
2 is a schematic configuration diagram of the device, FIG. 2 is a plan view of the device and a bathtub, FIG. 3 is a detailed view of a portion A in FIG. 2, and FIG. 4 is a cross-sectional view taken along the line BB of FIG.

In these figures, in a bath water circulation purifying apparatus 1, bath water 3 in a bath tub 2 is sucked up from a water suction pipe 5 by a circulation pump 4 and circulated, and is fountained into the bath tub 2 from a first discharge pipe 6. A circulation channel 7 is provided. A heat source 8 mounted upstream of the circulation pump 4 and a purification unit 9 connected downstream of the circulation pump 4, a sterilization case 10 connected downstream of the purification unit 9, and a valve 11 connected downstream of the sterilization case 10. , A drain passage 12 is provided from the valve 11.

The heat source 8 is constituted by a sheath heater (not shown) or the like, and keeps the temperature of the bath water 3 sucked from the bathtub 2 through the water suction pipe 5 at a predetermined temperature suitable for bathing. In the sterilization case 10, for example, the wavelength is approximately 185 nm or 254 nm.
Germicidal lamp 1 consisting of a mercury lamp or the like that generates ultraviolet rays
3 are arranged.

The purifying unit 9 is constructed by rotatably mounting a hollow cylindrical case horizontally and is divided into upper and lower parts by strainers 15 and 16 in which a number of water passage holes 14 are formed. A storage room 18 is provided between the strainers 15 and 16 and contains a large number of granular filter media 17 having a specific gravity of about 1.3 and made of ceramic balls or sunstone mainly composed of barley stone.

In the purifying unit 9, the strainer 1
An inflow chamber 19 and an outflow chamber 20 are formed on the outer sides of 5, 5 and 16, one side of the inflow chamber 19 is connected to the circulation flow path 7 downstream of the circulation pump 4, and one side of the outflow chamber 20 is sterilized.
Connected upstream.

By these components, the bath water 3 sucked up by the circulation pump 4 flows into the inflow chamber 19 located above the purification unit 9 and then passes through the water hole 14 of the strainer 15 into the storage chamber 18. Inflow. After that, filter media 17
After the fat and the like are adsorbed and removed during the passage, the water passes through the water passage hole 14 of the strainer 16 and passes through the outflow chamber 20.
Spills out of one side.

The purifying unit 9 includes a motor 21 and a gear 2 for rotating the purifying unit 9 by rotation of the motor 21.
The motor 21 and the like are controlled by a control circuit 23. In this way, the motor 21 is operated to rotate the purification unit 9 and stir the filter medium 17 in the purification unit 9.

The filter assembly 24 includes a filter mounted near the distal end of the water absorption pipe 5 and a filter mounted on the first discharge pipe 6 (not shown).

The second discharge pipe 25 is formed of, for example, a pipe, and one side thereof is connected to a part of the first discharge pipe 6 located downstream of the valve 11 and communicates with the first discharge pipe 6. The other side of the tube 25 is closed. As shown in FIG. 3, the second discharge pipe 25 has a plurality of fine holes 26 formed at substantially equal intervals.

As shown in FIGS. 2 and 4, a purifying apparatus main body 27 including the circulating pump 4 and the purifying unit 9 is disposed on a flat portion of the bathtub 2. The second discharge pipe 25 is arranged so as to be located above the bathtub 2. The second discharge pipe 25 is formed, for example, along four tank walls 28 formed in the bathtub 2 when viewed from a plane. And hopefully the second
The discharge pipe 25 is disposed so as to face the tank wall 28 so as to be located a predetermined distance above the waterline 29 of the bath water 3.

The suction cup 30 has a second discharge pipe 25 inserted into a central hole, and the periphery of the suction cup 30 is fixed to the tank wall 28 of the bathtub 2. The bath water circulation purification device 1
This concludes the description of the configuration.

Next, the operation of the bath water circulation purifying apparatus 1 will be described with reference to FIGS. 1 to 4 again. When the user first presses an operation button (not shown), the control circuit 23 energizes the heat source 8, the circulation pump 4, the motor 21, the germicidal lamp 13, and the valve 11.

By the operation of the circulation pump 4, the bath water 3 sucked up through the water suction pipe 5 is heated by the heat source 8 and then flows into the purification unit 9 through the circulation passage 7 to be purified. . Thereafter, the bath water 3 is sterilized by the sterilizing lamp 13, returns to the bath tub 2 via the valve 11 and the first discharge pipe 6, and repeats the above-described circulation, thereby purifying the bath water 3.

A part of the purified bath water 3 flows into the second discharge pipe 25, and is sprayed through the fine holes 26 formed in the second discharge pipe 25 so as to be sprayed. 28. That is, the discharge water (bath water 3) flows along the tank wall 28 from the entire periphery of the upper part of the bath tub 2 through the fine holes 26 of the second discharge pipe 25.

As a result, the sprayed tank wall 28 is always in a wet state, and the tank wall 28 which has conventionally been easily contaminated.
Can be prevented from becoming dirty. Further, as described above, bathtub 2
When the bath water 3 in the inside is being cleaned, the second discharge pipe 25
Purified water is automatically discharged from the fine pores 26 toward the tank wall 28 of the bathtub 2. As a result, there is no need for the user to artificially wash unlike the conventional case, and the usability is improved. This concludes the description of the operation of the present bath water circulation purification device 1.

The present invention is preferably such that, as shown in FIG. 1, a switching valve 3 is provided at a branch portion 31 between the first discharge pipe 6 and the second discharge pipe 25.
1a is provided. The switching valve 31a is a motor (not shown)
The rotation of the motor is controlled by the control circuit 23.

When the user presses a bath water purification button (not shown), the control circuit 23 controls the rotation of the switching valve 31a, and the valve in the switching valve 31a opens only the first discharge pipe 6. As a result, the bath water 3 that has been purified through the purification unit 9 is supplied to the valve 11.
And is discharged into the bathtub 2 through the first discharge pipe 6. As described above, compared to the case where the switching valve 31a is not provided, the switching valve 31
By providing a, the flow rate of the purified bath water 3 flowing through the first discharge pipe 6 is increased, so that the purification capacity is increased.

Further, the user can set a bathtub cleaning button (not shown).
Is pressed, the control circuit 23 controls the rotation of the switching valve 31a,
The valve in the switching valve 31a opens only the second discharge pipe 25. As a result, the purified bath water 3 passes through the valve 11 and the second discharge pipe 25 and is discharged to the tank wall 28 of the bath tub 2 through the fine holes 26.
By providing the switching valve 31a in this manner, the switching valve 31a
Since the amount of the bath water 3 flowing through the second discharge pipe 25 and purified is increased as compared with the case where no tank is provided, the amount of water discharged to the tank wall 28 also increases, and the effect of preventing the tank wall 28 from being stained further increases.

Next, a bath water circulation purifying apparatus 1a according to a second embodiment of the present invention will be described with reference to the schematic diagram of FIG. In FIG. 5, the bath water 3 in the bathtub 2 is sucked up by the circulation pump 3, circulated through the circulation flow path 7, and returned to the bathtub 2 through the fine holes 26 of the discharge pipe 25a. Thus, the difference from the above-described bath water circulation purification device 1a is that the bath water 3 is returned to the bathtub 2 via the discharge pipe 25a instead of the first discharge pipe 6.

Further, the discharge pipe 25a is arranged so as to be located above the bathtub 2, and desirably, a plurality of narrow pipes are arranged so as to face the tank wall 28 of the bathtub 2 which is located above the waterline 29 of the bath water 3. A hole 26 is provided. Filter assembly 2
4a includes a filter (not shown) attached near the distal end of the water absorption pipe 5. Thus, the present bath water circulation purification device 1a is different from the above-described device 1 in that the discharge pipe 25a and the filter assembly 24a
Only the difference is that the other parts are the same.

The bath water 3 purified in the purifying unit 9 passes through the fine holes 26 formed in the discharge pipe 25a.
The water is sprayed on the bath wall 28 of the bathtub 2 to purify the inside of the bathtub 2. That is, the discharge water (bath water 3) flows along the tank wall 28 from the entire periphery of the upper part of the bath tub 2 through the fine holes 26 of the discharge pipe 25 a. In this manner, the bath water circulating / purifying apparatus 1a keeps the bath wall 28 of the bath tub 2 clean and simultaneously purifies the bath water 3 in the bath tub 2. Also, compared to the device 1, the first discharge pipe 6 and the switching valve 31a
Is unnecessary, and the cost is reduced.

Further, unlike the above-mentioned bath water circulation purifying apparatus 1a, the discharge pipe 25a may be formed integrally with the bathtub 2, for example, the discharge pipe 25a may be embedded in the bath wall 28 of the bathtub 2.
Then, a connection portion between the bath water circulation purification device and the discharge pipe 25a is provided.

[0032]

According to the first aspect of the present invention, as described above, in the bath water circulation purifying apparatus, the second discharge branching off from the first discharge pipe and flowing discharge water along the tank wall from the entire periphery of the upper part of the bathtub. Provide a tube.
As a result, the purified bath water passes through the second discharge pipe,
It is released to the tub wall of the bathtub, so that it is possible to prevent the tub wall, which had been easily soiled in the past, from being stained. Further, since the purified water is automatically discharged, there is no need for the user to artificially wash the water as in the prior art, and the usability is improved.

In the first aspect of the present invention, a switching valve is desirably provided at a branch portion between the first discharge pipe and the second discharge pipe. Switching to the first discharge pipe by this switching valve increases the flow rate through the first discharge pipe as compared with the case where the switching valve is not provided, so that the purification capacity in the bathtub is increased. Further, when switching to the second discharge pipe is performed by the switching valve, the flow rate flowing through the second discharge pipe is increased as compared with the case where the switching valve is not provided, so that the effect of preventing contamination of the bathtub wall is enhanced.

In the first aspect of the present invention, the second discharge pipe is preferably provided with pores at substantially equal intervals. As a result, the discharge water purified through the pores of the second discharge pipe is discharged to the tank wall over a wide range in the form of spray, so that the effect of preventing contamination of the tank wall is further enhanced.

According to the second aspect of the present invention, the discharge water discharged from the discharge pipe flows along the tank wall from the entire upper periphery of the bathtub. In this way, the discharged water keeps the bath wall clean, after which the discharged water is returned into the bath tub, purifying the bath water in the bath tub. Like this
The bath wall of the bathtub can be kept clean and the bath water can be purified at the same time.

In the second aspect of the present invention, preferably, the discharge pipe is formed integrally with the bathtub, and a connection portion with the bath water circulation purification device is provided. With such integration, the discharge pipe does not protrude from the tank wall, so that the user can be prevented from contacting the discharge pipe during bathing, and the usability is improved.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a bath water circulation purifying apparatus according to a first embodiment of the present invention.

FIG. 2 is a plan view of the device and a bathtub.

FIG. 3 is a detailed view of a portion A in FIG. 2;

FIG. 4 is a sectional view taken along the line BB of FIG. 2;

FIG. 5 is a schematic configuration diagram of a bath water circulation purifying apparatus according to a second embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 2 bathtub 3 bath water 4 circulation pump 6 first discharge pipe 7 circulation flow path 9 purification unit 25 second discharge pipe 26 pore

Claims (5)

[Claims] 1. A bath water circulation / purification apparatus comprising a circulation pump, a heat source, a purification unit, a water absorption pipe disposed in a bathtub, and a first discharge pipe, the branch from the first discharge pipe. ,
A bath water circulation / purification device, comprising a second discharge pipe for flowing discharge water from the entire upper periphery of the bathtub along the wall of the bathtub. 2. A bath water circulation purifying apparatus according to claim 1, wherein a switching valve is provided at a branch portion between said first discharge pipe and said second discharge pipe. 3. The bath water circulation purifying apparatus according to claim 1, wherein pores are provided at substantially equal intervals in the second discharge pipe. 4. A bath water circulation purifying apparatus comprising a circulation pump, a heat source, a purification unit, a water absorption pipe disposed in a bathtub, and a discharge pipe. Bath water circulation purifier characterized by flowing discharge water along. 5. The bath water circulation purifying apparatus according to claim 4, wherein the discharge pipe is formed integrally with the bathtub, and a connection portion with a bath water circulation purifying apparatus is provided.