JPH0884759A - Bathtub - Google Patents

Abstract

PURPOSE: To reduce the number of the openings formed to a bathtub and to facilitate drilling work, in a bathtub having air bubble jet orifices attached on the bottom part thereof, by allowing both of air bubble jet piping and a drain pipe to communicate with the air bubble jet orifices. CONSTITUTION: For example, eight air bubble-containing water jet nozzles 6 and two filtered water return ports 7 are formed to the upper part sidewall surface 5 formed to a bathtub main body 1 and falling from the upper edge part of the main body to a seat part 3. For example, two jet intake ports 8 and a filtering intake port 9 are formed to the bottom surface of the deepest part 4 and a ventilation port 11 for blowing out only air is attached thereto. Further, a large number of jet orifices 12 are arranged to the bottom surface of the seat part 3 in a row. Ventilation ports 11, 12 are connected to an air pump 28 through air pipings 27 but, in this case, a drain pipe 29 is connected on the way of the air piping 27 and a valve 29V is attached to the drain pipe 29. By this constitution, the valve 29V is opened to drain the water in the bathtub main body 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathtub, and more particularly to a bathtub having a bubble ejecting function and a filtering function.

[0002]

2. Description of the Related Art As a bubble bath, there is a type in which a jet port is provided on the bottom of the bath and air supplied from an air pump (blower) is jetted from the jet port.

As another type of bubble bath, a bath body, a plurality of nozzles for jetting bubbles provided in the bath body, and an intake port for taking in water jetting bubbles provided in the bath body. There is a jet bath type that includes a pipe connecting the water intake port and the nozzle, and a pump provided in the pipe. By operating this pump,
Water is taken in from the inside of the bathtub through the intake port, and this water is vigorously ejected from the nozzle, and at the same time, air is sucked by the venturi action from the air intake port provided in the nozzle, and bubbles are ejected together with the water flow. .

In a bathtub having a filtering function, water in the bathtub is taken out from the water inlet, filtered by a filter, and then returned to the bathtub.

[0005]

In the conventional bathtub, since the drain port is provided separately from the fumarole, the nozzle, and the water intake port, the number of openings provided on the inner surface of the bathtub is large, and the drilling work is troublesome. It was

Further, in the usual case, the chain connected to the drain plug of the drainage port is exposed in the bathtub, so that the chain may hit the body during bathing, causing discomfort.

[0007]

According to a first aspect of the present invention, there is provided a bathtub having a bubble outlet at the bottom thereof, wherein the bubble outlet is connected to both the bubble outlet pipe and the drain pipe. It is a thing.

According to a second aspect of the present invention, in a bathtub having a water intake port inside the bathtub at the bottom, both the water intake pipe and the drain pipe communicate with the water intake port.

In the first aspect of the present invention, the bubble outlet may be a jet port for jetting only air or a jet bath nozzle. Therefore, the air bubble ejection pipe may be an air pipe for supplying air to the fumarole or a circulation return pipe of the jet bath.

In the invention of claim 2, the water intake may be a water intake for filtration or a water intake for a jet bath.

[0011]

In the bath according to the first aspect of the present invention, the water in the bath can be discharged through the bubble jet port, so that the drain port and drain plug are not required.

In the bathtub of the second aspect, since the water in the bathtub can be discharged through the water intake port, the drain port and the drain plug are not required.

[0013]

EXAMPLES Examples will be described below with reference to the drawings. FIG. 1 is a plan view of a bathtub according to an embodiment, FIG. 2 is a vertical sectional view of the same, FIG. 3 is a perspective view of the same, and FIG. 4 is a system diagram showing water circulation.

The bathtub body 1 has a quadrangular shape in plan view, and a grating (overflow water receiving chamber) 2 is provided around the outer peripheral edge of the upper portion.

About 50 to 60c from the upper edge in the bath body 1
The stool 3 is provided around the depth of about m. The central portion of the bath body 1 is the deepest rectangular portion 4 having a depth of about 85 to 95 cm.

A total of eight nozzles 6 for ejecting water containing bubbles are provided on the upper side wall surface 5 that extends from the upper edge portion to the seat portion 3. Further, the upper side wall surface 5 is provided with two return ports 7 of filtered water.

The bottom surface of the deepest portion 4 is provided with two jet intakes 8 and two filtration intakes 9. Further, on this bottom surface, there is a fumarole 1 for blowing out only air.
1 is provided. The fumes 12 are also provided on the seat surface (horizontal surface) of the seat 3. These fumaroles 11 and 12 are
A large number are arranged in rows.

An underwater light 14 is provided on the side wall surface 13 that extends from the seat 3 to the deepest portion 4.

The grating 2 is provided with a water outlet 2a.

As shown in FIG. 4, the jet water intake 8 is connected to the nozzle 6 via a pipe 15, a pump 16 and a pipe 17. The air pipe 6a extending from the nozzle 6 is connected to the air intake portion 20 at the upper edge of the bath. The air intake section 20 is provided with a knob for adjusting the amount of bubble ejection.

The filtration water intake 9 is connected to a filtration unit 19 via a pipe 18. This filtration unit 19
Comprises a filter element and a pump. The filtered water of the filtering unit 19 is sent to the return port 7 via the pipe 21.

The water outlet 2a of the grating 2 is connected to a tank 23 via a pipe 22. The tank 23 is provided with a ball tap 24, and the tap water can be supplied from the tap water pipe 25 so that the tap water is always above a predetermined water level. The tank 23 is connected to the middle of the pipe 18 via the pipe 26.

Reference numeral 27 denotes a perforated plate which is attached to the grating 2. Although not shown, the intake ports 8 and 9 are fitted with caps made of mesh or lattice.

The fumes 11 and 12 are provided with an air pipe 27.
It is connected to the air pump 28 (blower) via. A drain pipe 29 is connected in the middle of the air pipe 27, and a valve 29V is provided in the drain pipe 29.

Of the upper edge of the bath body 1, the jet pump and the filtration unit 1 are provided on the upper surface outside the grating 2.
A switch 30 for controlling the pump 9 and the air pump 28 and the underwater light 14 is provided.

The operation switch of the valve 29V is provided at a location apart from the bath body 1 such as a machine room (not shown).

In the bathtub thus constructed, the valve 29V can be opened to drain water from the bath body 1.

When the valve 29V is closed and the water is filled in the bath body 1, the air pump 28 is operated so that only the air is ejected from the fumes 11 and 12.

When the jet pump 16 is actuated while the bath body 1 is filled with water, the water in the bathtub is taken in through the water intake port 8 and ejected together with the bubbles from the nozzle 6. By rotating the knob of the air intake section 20, the ejection amount of the bubbles can be adjusted.

When the pump of the filtration unit 19 is operated, the water in the bath body 1 is taken in through the water intake 9, filtered by the filtration unit 19, and then returned into the bath 1 through the return port 7.

In this bathtub body 1, since a plurality of jet water intake ports 8 and a plurality of filtration water intake ports 9 are provided, the flow velocity sucked into the water intake ports 8 and 9 is low. Further, since the intakes 8 and 9 are provided on the bottom surface of the deepest part 4 and the deepest part is sufficiently deeper than 80 cm, the suction flow into the intakes 8 and 9 is mainly , Felt on the soles, which are relatively dull. Therefore, a bather of the bathtub body 1 can comfortably take a bath with little feeling of being sucked into the water intakes 8 and 9.

FIGS. 5 and 6 are system diagrams showing different embodiments. In FIG. 5, a drain pipe 29 is connected to a jet water intake pipe 15 connected to a jet water intake port 8, and FIG. Then, the pipe 1 for filtration water intake connected to the water intake 9 for filtration
A drainage pipe 29 is connected to 8. Each drain pipe 29 is provided with a valve 29V.

The bottom surface of the bath body 1 in each of the above-mentioned embodiments has no drain port, and no drain plug or drain plug chain. Therefore, the body does not hit the drain plug or drain chain during bathing.

[0034]

As described above, according to the bathtubs of claims 1 and 2, the number of openings provided in the bathtub is reduced, and the drilling work is reduced. Further, since the drainage port and the drainage plug are eliminated, the body does not hit the drainage plug or the drainage plug chain, and a comfortable bath is possible.

[Brief description of drawings]

FIG. 1 is a plan view of a bath according to an embodiment.

FIG. 2 is a vertical cross-sectional view of the bathtub according to the embodiment (longitudinal cross-sectional view taken along the line II-II in FIG. 1).

FIG. 3 is a perspective view of a bathtub according to an embodiment.

FIG. 4 is a water passage system diagram of the bathtub according to the embodiment.

FIG. 5 is a water passage system diagram of a bathtub according to another embodiment.

FIG. 6 is a water passage system diagram of a bathtub according to still another embodiment.

[Explanation of symbols]

 1 Bathtub body 2 Grating 6 Jet nozzle 7 Filtration water return port 8 Jet water intake port 9 Filtration water intake 11, 12 Ventor port 19 Filtration unit 29 Drain pipe 29V valve

Front Page Continuation (72) Inventor Shigeru Iida 5-1-1 Koihonhoncho, Tokoname City, Aichi Prefecture, Inax Co., Ltd. (72) Inventor Toshiyuki Nakagawa 5-1-1 Koiehoncho, Tokoname City, Aichi Prefecture, Inax Co., Ltd. (72 ) Inventor River Johannes Dickey 6800 Bader Averves Svej 3 Scandi Aquarine AES

Claims (2)

[Claims] 1. A bathtub having a bubble jet outlet at the bottom, wherein both the bubble jet pipe and the drain pipe are communicated with the bubble jet port. 2. A bathtub having a water intake port in the bathtub at the bottom, wherein both the water intake pipe and the drain pipe are communicated with the water intake port.