JPH03158159A - Air bubble jet device - Google Patents

Abstract

PURPOSE:To reduce vibration of a device body to inject air bubbles generated due to the fluctuation in a pressure of a mixture water flow, to prevent transfer of vibration to a bath tub and a bath room wall, and to sharply reduce the generation of noise by a method wherein a mixing pipe, a nozzle part, and a body are formed of a resilient material. CONSTITUTION:A water inflow port 7 and a body part 8 having a discharge port 10 for a mixture water flow of water and gas and an air suction port 4 are located in the middle of a line 2 through which water is circulated with the aid of a pump 9. A nozzle part 3 the section of the low passage of which is throttled, an air suction pipe 5 connected to the air suction port 4, and a mixing pipe 6 for mixing together air sucked in a water flow and water are mounted in the body part 8. The nozzle part 3, the mixing pipe 6, and the body part 8 are formed of a rubber material. When air is sucked and mixed in a water flow, a fluctuation in a pressure occurs to a water flow, and the fluctuation in a pressure can be absorbed by means of the rubber material of a mixing line, a nozzle part, and the body part. This constitution prevents vibration of a piping, a bath tub, or the wall of a bath room through a fluctuation in a pressure.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a bubble ejecting device that generates bubbles in a bathtub using water flow from a pump.

BACKGROUND ART Conventionally, a bubble blowing device has been constructed as shown in FIG. That is, a constriction part 23, an air suction port 24, and a mixing pipe 25 are provided in the middle of a pipe line 22 through which water is circulated by a pump 21, and a water stream 29 containing air bubbles is ejected from a side surface 26 of the bathtub. Here, 27 is a bathtub and 28 is a water surface.

Problems to be Solved by the Invention In such a configuration, the conventional bubble ejecting device sucks air by the negative pressure generated when the water flow circulated by the pump is increased in flow rate by the constriction part, and the air is sucked in by the mixing pipe. It was designed to mix water and air to generate a water stream containing bubbles. However, this configuration has a problem in that very loud noise is generated when water and air mix or when a water stream containing air bubbles is ejected into the bathtub. This noise has caused problems such as not being able to enjoy TV or music in the bathroom, and the problem of disturbing neighboring residences as a result of the noise.

The present invention solves such conventional problems, and by constructing a part or all of the bubble ejecting device from an elastic material, bubbles are generated due to pressure fluctuations in the mixed water flow when water and air are mixed. In addition to reducing the vibration of the blowing device itself, it also reduces the vibration transmitted from the bubble blowing device to the bathtub and bathroom walls, thereby significantly reducing the noise emitted from the bubble blowing device as well as the noise radiated from the bathtub and bathroom walls. The purpose is

Means for Solving the Problems The present invention solves the above problems by providing an inlet for water, an outlet for a mixed water flow of water and air, and an inlet for air in the middle of a pipe in which water is circulated by a pump. a nozzle section in which the cross section of the flow path is narrowed from the upstream side to the downstream side of the water flow; and an air inlet connected to the air suction port provided on the downstream side of the nozzle section. The apparatus includes a suction pipe and a mixing pipe for mixing air and water sucked into the water flow from the air suction pipe, and a part or all of the nozzle part, the mixing pipe, or the main body part is made of an elastic material. The inner surface of the mixing tube made of an elastic material was bonded with a metal plate.

Effect: With the above-described configuration, the present invention reduces the vibration of the bubble jetting device body caused by the pressure fluctuation of the mixed water flow that occurs when water and air are mixed, and prevents the vibration from being transmitted to the bathtub or bathroom wall. Therefore, the noise emitted from the bubble ejecting device and the noise emitted from the bathtub and bathroom walls can be significantly reduced. Furthermore, the metal plate on the inner surface of the mixing tube prevents the inner surface of the mixing tube from being destroyed by the mixed water flow of air bubbles, thereby improving durability.

EXAMPLE Hereinafter, an example of the bubble ejecting device of the present invention will be described using FIGS. 1 to 4.

As shown in FIGS. 1 and 2, the bubble ejecting device of the present invention includes a water inlet lower part and an outlet 10 for a mixed water flow of water and air, in the middle of a pipe line 2 in which water is circulated by a pump 9. A main body part 8 equipped with an air suction port 4, a nozzle part 3 with a narrowed flow path cross section from the upstream side to the downstream side of the water flow, and a nozzle part 3 provided on the downstream side of the nozzle part, inside the main body part 8. an air suction pipe 5 connected to the air suction port 4, and a mixing pipe 6 for mixing air and water sucked into the water flow from the air suction pipe,
The nozzle section 3, the mixing tube 6, and the main body section 8 are made of elastic rubber material. Here, 12 is a seal pankin, 1 is a bathtub, and 11 is a mixed water flow of water and air.

In such a configuration, the water flow circulated by the pump is sped up by the constriction part of the nozzle part, and air is sucked in from the air suction pipe by the negative pressure generated, and the water and air are mixed in the mixing pipe to form air bubbles. The structure is such that a stream of water containing water is generated from the outlet. Here, when air is sucked in and mixed into the water flow, pressure fluctuations occur in the water flow, but in this configuration, this pressure fluctuation can be absorbed by the rubber material of the mixing pipe, nozzle section, and main body. . Therefore, the piping, the bathtub, the walls of the bathroom, etc. do not vibrate due to pressure fluctuations, and the user can enjoy a very quiet and comfortable bubble-spouting bath.

Further, other embodiments are shown in FIGS. 3 and 4.

FIG. 3 shows a structure in which the main body part 13 of the bubble ejecting device made of a rubber material is directly inserted into the side surface of the bathtub, and the contact surface is adhered to prevent water leakage.

With this configuration, as in the previous embodiment, vibrations due to pressure fluctuations in the water flow are not transmitted to the bathtub, making it possible to create a quiet bubble ejecting device, and the installation work can be easily performed by simply inserting it from the outside of the bathtub. Moreover, water leakage can be completely prevented by adhesion.

FIG. 4 shows a metal plate cover 1 along the inner surface of the mixing tube.
4 was installed. The metal plate cover is provided with a constricted portion 15 that is constricted from the upstream side to the downstream side.

With this configuration, as in the previous embodiments, the micro-movement caused by the pressure fluctuation of the water flow is not transmitted to the bathtub, and a quiet bubble ejecting device can be achieved. It protects the material from severe pressure fluctuations in the mixed flow of water and air, prevents it from being destroyed by erosion and wear due to cavitation, and has the effect of improving durability and allowing long-term use. .

The mixture is bonded to the mixing pipe by the constriction, and even if this bond becomes weak, the constriction prevents it from flowing downstream.

With the above configuration, it is possible to significantly reduce the jet noise caused by the vibration of the bubble ejecting device and the bathtub or bathroom, and it is possible to enjoy TV or music in the bathroom while enjoying a bubble bath, and it is also possible to Even if installed at a higher location than the floor above, it eliminates the problem of noise from neighbors and downstairs, creating a comfortable living environment.

Effects of the Invention As described above, according to the bubble ejecting device of the present invention, by configuring the mixing tube, nozzle part, and main body with elastic materials, pressure fluctuations in the mixed water flow that occur when water and air are mixed can be suppressed. In addition to reducing the vibrations of the bubble ejecting device body caused by the air bubble ejecting device, it also prevents the vibrations from being transmitted to the bathtub and bathroom walls, thereby significantly reducing the noise emitted from the bubble ejecting device as well as the noise emitted from the bathtub and bathroom walls. Therefore, it can be reduced. Furthermore, by protecting the inner surface of the mixing tube, which is made of rubber material, with a metal plate, it can be prevented from being destroyed by cavitation erosion and wear, improving durability and allowing long-term use. This is possible.

[Brief explanation of the drawing]

FIG. 1 is a side sectional view of a bathtub using a bubble ejecting device according to an embodiment of the present invention, and FIG. 2 is a side sectional view of the same bubble ejecting device.
FIG. 3 is a side sectional view of a bubble ejecting device according to another embodiment of the present invention, FIG. 4 is a side sectional view of a bubble ejecting device according to another embodiment of the present invention, and FIG. 5 is a side sectional view of a conventional bubble ejecting device. It is a side sectional view of the bathtub used. 1...Bathtub, 2...Pipeline, 3...
...Nozzle part, 4...Suction port, 5...
Air suction pipe, 6... Mixing pipe, 7... Water inlet, 8... Body, 9... Pump, 1
0...Air outlet.

Claims (2)

[Claims] (1) In the middle of a pipe in which water is circulated by a pump, there is a main body that has a water inlet, an outlet for a mixed water flow of water and air, and an air inlet; A nozzle portion with a cross section of the flow path narrowed from the upstream side to the downstream side, an air suction pipe connected to the air suction port provided on the downstream side of the nozzle portion, and air sucked into the water flow from the air suction pipe. 1. A bubble ejecting device comprising a mixing tube for mixing water and water, wherein a part or all of the nozzle part, the mixing pipe, or the main body part is made of an elastic material. (2) Along the inner surface of the mixing tube made of elastic material,
The bubble ejecting device according to claim 1, wherein a metal plate is bonded.