JP3706399B2 - Bubble tub equipment - Google Patents

Description

[0001]
[Industrial application fields]
This invention relates to a bubble tub apparatus equipped with a fine bubble generating mechanism that heats and circulates hot water in a bathtub and appropriately mixes bubbles, and is particularly characterized by a flow rate switching valve, and is provided in a main heating circuit. The flow rate of the main heating circuit can be reduced by connecting the branch soot from the fine bubble generating circuit to the diaphragm of the valve chamber.
[0002]
[Prior art]
Conventionally, in a bubble tub apparatus, an electromagnetic valve or the like is known as a simple means for switching the flow rate of fluid.
In the bubble bath apparatus disclosed in Japanese Patent Laid-Open No. 5-111519, an electromagnetic valve is used as a means for switching water flow, and it is very common to use an electromagnetic valve in this type of apparatus.
[0003]
[Problems to be solved by the invention]
However, since the solenoid valve opens and closes the valve by electrical control, it is necessary to assemble a dedicated electric circuit in order to use this, and there is a problem that the mechanism is complicated and the cost is increased. there were.
In addition, the mechanical opening and closing of the mechanical valve has a problem that if the opening and closing frequency is increased, the frequency of failure is increased, and the repair thereof cannot be easily performed due to the complicated structure.
This invention was developed in view of the problems of the above-described solenoid valve, and employs a flow rate switching valve that is simple in structure, durable, and can be easily repaired in the bubble tub device without depending on the electric system. is there.
[0004]
Provided is a bubble tub apparatus provided with a flow rate switching valve capable of simultaneously ejecting fine bubbles without stopping the circulation in the process of heating and circulating the hot water of the bathtub.
The bathtub device is composed of a main pipe that circulates hot water for heating and a subordinate pipe that branches off from the middle of the main pipe that mixes and discharges fine bubbles.
In order to fill the fine bubbles ejected into the bathtub without annihilation, it is necessary to circulate by restricting the flow rate of the main piping when the fine bubbles are ejected. The present invention has been made to achieve this object.
[0005]
[Means for Solving the Problems]
Therefore, in this invention, a branch pipe from the parallel microbubble generation circuit is connected to the valve chamber of the flow rate switching valve attached to the main heating circulation circuit, and the parallel microbubble generation circuit is operated while flowing hot water into the main circulation circuit. When flowing hot water, the pressure of the diaphragm of the valve chamber is pressed by this pressure to reduce the flow rate of the main heating circuit.
The gist of the present invention is that the heating circulation circuit is connected to the flow path of the flow rate switching valve through the heater from the suction port of the nozzle provided in the bathtub and from the upward discharge port of the nozzle to the inside of the bathtub. And a fine bubble generating circuit that consists of an intake tank, a fine bubble pump, an air separation tank, and a fine bubble orifice. , In a circulating heating bath in which a branch ridge is connected between the air separation tank and the orifice for fine bubbles to the diaphragm presser bush of the flow switching valve, the flow switching valve is a valve orthogonal to the flow path in the valve body. A diaphragm made of an elastic material is screwed into the valve chamber channel side, and an orifice is provided in the channel facing the diaphragm. Fit the current reducing plate with the side where the diaphragm is in close contact, and when the fluid enters the valve chamber via the branching trap from the microbubble generation circuit and applies pressure to the diaphragm, the diaphragm adheres to the side of the current reducing plate and closes. Further, the present invention is characterized in that only the orifice of the current reducing plate becomes a flow path of the heating circuit.
[0006]
【Example】
The contents of the present invention will be described below with reference to embodiments shown in the drawings.
FIG. 1 is a cross-sectional view of the flow rate switching valve 1.
The flow rate switching valve 1 has a rectangular passage and a passage 11 having a narrow central sectional area, a valve body 10 provided with a valve chamber 12 orthogonal to the passage 11, and a diaphragm presser bushing screwed into the valve chamber 12. 13. A diaphragm 14 fixed by a diaphragm pressing bush 13 and a current reducing plate 15 facing the diaphragm 14.
[0007]
The flow path 11 of the valve body 10 includes a large diameter flow path 111 formed by cutting off the internal threads 11 a at both ends and a small diameter flow path 112 communicating with the central valve chamber 12. The valve chamber 12 communicates with the small diameter flow path 112. However, the diaphragm pressing bush 13 and the diaphragm 14 can be built with the step portion 121. An internal thread 12 a is cut on the inner surface from the step portion 121 to the open end of the valve chamber 12.
A concave portion 112a is provided at a position perpendicular to the flow direction of the small diameter flow path 112 of the valve body 10 so that the current reducing plate 15 can be fitted and fixed.
The diaphragm pressing bush 13 is configured by screwing the outer peripheral male screw 13a into the female screw 12a of the valve chamber 12 and pressing and fixing the peripheral edge of the diaphragm 14 made of a hook-shaped rubber or plastic elastic body to the step portion 121. An internal thread 13 b is provided on the inner periphery of the diaphragm pressing bush 13 so that the branch pipe 3 can be connected.
The diaphragm 14 is sandwiched between the stepped portion 121 and the diaphragm pressing bush 13 so that the valve chamber 12 and the flow path 11 are separated in a watertight manner. Further, since the diaphragm 14 is sandwiched and fixed between the thread grooves of the diaphragm pressing bush 13, the diaphragm 14 is completely prevented from leaking from the valve chamber 12 and the flow path 11.
The current reducing plate 15 has a circular orifice 15a perforated, and has an arcuate side 15b that matches the curvature of the saddle-shaped protrusion of the diaphragm 14, and is formed in the recess 112a so as to close the small-diameter channel 112. Fit and fix.
Although not shown, when the elasticity of the diaphragm 14 is high, it is not necessary to make the diaphragm 14 a bowl-shaped protrusion and to form the arc-shaped side on the current reducing plate 15. In short, as long as the diaphragm 14 is in close contact with the current reducing plate 15 by the pressure of the fluid and completely separates the valve chamber 12 and the flow path 11, the shapes of the diaphragm 14 and the current reducing plate 15 may be configured in any manner. .
[0008]
The flow rate switching valve 1 having such a configuration is connected to the heating circulation circuit 2 so as to pass a constant flow rate by a pump. A branch pipe 4 from the fine bubble generation circuit 3 is connected to the valve chamber 12 with a diaphragm pressing bush 13. The fluid flows in connection with this.
Therefore, the flow rate switching valve 1 flows between the orifice 15a, the diaphragm 14 and the arcuate side 15b when a constant flow rate is applied by the pump. However, by operating the fine bubble generating circuit 3, the branch pipe When the fluid is supplied from 4 to the valve chamber 12, the diaphragm 14 is pressed against the arcuate side 15b of the current reducing plate 15, and the fluid flows only from the orifice 15a.
That is, the passage opening of the heating circuit 2 is reduced and the flow rate is reduced.
[0009]
FIG. 6 is a schematic view of the main part of the bubble bathtub apparatus according to the present invention.
The heating circulation circuit 2 is connected to the flow path 11 of the flow rate switching valve 1 through the heater H, the filter F, the pump P, the activation tank R, and the same heater H from the suction port of the nozzle N provided in the bathtub B. It is made to reach in the bathtub B from the upward discharge outlet of N. The ozone generator O is connected to the piping of the filter F and the pump P to inject ozone air.
The fine bubble generating circuit 3 is branched from the filter F constituting a part of the heating circulation circuit 2 and reaches the downward discharge port of the nozzle N. First, the intake pipe K is connected to the fine bubble pump. P1, an air separation tank T, and an orifice L for fine bubbles.
[0010]
Then, the branch pipe 4 from the air separation tank T and the fine bubble orifice L is connected to the diaphragm pressing bush 13 of the flow rate switching valve 1.
As a result, when the fine bubble generating circuit 3 is simultaneously operated while the heating circuit 2 is operating, the hot water returned to the bathtub by the heating circuit 2 is squeezed, and the hot water sucked from the suction port is heated. 2 and the fine bubble generating circuit 3 are suitably distributed.
【The invention's effect】
[0012]
This invention is a bubble tub device that combines a heating circulation circuit of a bathtub and a fine bubble generation circuit, and when only the heating circulation circuit or both are operated simultaneously, by reducing the amount of hot water circulated by the heating circulation circuit, The fine bubbles in the bathtub are not lost quickly.
[0013]
Furthermore, since the flow rate switching valve employed in the present invention is composed of only four parts, that is, the valve body 10, the diaphragm presser bush 13, the diaphragm 14, and the current reducing plate 15, the structure is simple and the durability is excellent. is there. In addition, there is an effect that the diaphragm 14 and the current reducing plate 15 can be easily replaced and repaired easily.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a flow rate switching valve.
FIG. 2 is a plan view of a flow rate switching valve.
FIG. 3 is a side view of a flow rate switching valve.
FIG. 4 is a front view of a current reducing plate.
FIG. 5 is a plan view of a diaphragm presser bush.
FIG. 6 is a schematic view showing a main part of the bubble bathtub apparatus according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Flow rate switching valve 10 Valve body 11 Flow path 12 Valve chamber 14 Diaphragm 15 Current reducing plate 15a Orifice 15b Arc side 2 Heating circulation circuit 3 Fine bubble generation circuit 4 Branching ridge

Claims (1)

A heating circulation circuit that is connected to the flow path of the flow rate switching valve through the heater from the nozzle suction port provided in the bathtub, and extends from the nozzle's upward discharge port into the bathtub. It consists of a suction bubble, a fine bubble pump, an air separation tank, and a fine bubble generating circuit consisting of a fine bubble orifice, and is located between the air separation tank and the fine bubble orifice. In the circulating heating bath where the branch rod is connected to the diaphragm presser bush of the flow rate switching valve,
  The flow switching valve is provided with a valve chamber that is orthogonal to the flow path in the valve body, and a flow path that faces the diaphragm is arranged by screwing a diaphragm made of an elastic body with a diaphragm holding bush on the flow path side of the valve chamber. Is fitted with a current reducing plate with an orifice and a side where the diaphragm is in close contact, and when the fluid enters the valve chamber via a branch ridge from the microbubble generating circuit and applies pressure to the diaphragm, the diaphragm A bubble tub device characterized in that the side plate is tightly closed and closed so that only the orifice of the current reducing plate is a flow path of the heating circuit.

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