JPH05200080A - Jetting device for water circulation bathtub - Google Patents

Abstract

PURPOSE:To increase massaging and bathing effect by applying various types of water jet mode in a return jet flow. CONSTITUTION:This water circulation bathtub is so constituted that a hot bath in a bathtub 1 is sucked through a suction port 9 with a circulating pump 8, and returned to the bathtub 1 in the form of a jet. A flow control valve is fitted on the downstream side of the pump 8. In order to open and close the flow control valve, various types of jet modes are established, including an intermittent mode to intermittently open and close the valve, a web mode to gradually open and close the valve, and a random mode with a combination of the intermittent and web modes. Also, there is provided an operation section to select the foregoing jet modes.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an injection device for a circulating bath, and more particularly to a technique for increasing the massage effect and the bathing effect by injecting various forms in an injection return flow. Is.

[0002]

2. Description of the Related Art Conventionally, in a circulating bath, a massage effect is obtained by jetting and returning from a shoulder rest nozzle provided on a flange of the bathtub, a back jetting nozzle and a foot jetting nozzle provided in the bathtub. It enhances the bathing effect. And, as a shoulder rest shower device, the actual Kaihei 2-141
282, JP-A-59-222118 and JP-A-2-1411282.

[0003]

However, in such a structure, the injection and return flow pattern is performed with a constant injection force, and it is difficult to further enhance the massage effect on the shoulders, back and feet. There was a problem. The present invention has been made in view of such problems, and an object of the present invention is to provide a circulating bath injection device that can further enhance the massage effect on the shoulders, back, legs, and the like.

[0004]

The present invention is a circulation bathtub in which the bath water in the bathtub 1 is sucked from a suction port 9 by a circulation pump 8 and jetted back to the bathtub 1, and the downstream side of the circulation pump 8. Is provided with a flow control valve 23, and in order to drive the flow control valve 23 to open and close, an intermittent mode in which the flow control valve 23 is opened and closed intermittently, a web mode in which the flow control valve 23 is opened and closed gently, these intermittent modes and Various injection modes such as a random mode in which web modes are combined are set, and an operation unit 40 for selecting these injection modes is provided.

Further, it is characterized in that it is the shoulder rest nozzle 3 that returns the jet to the bathtub 1. Further, it is characterized in that it is an in-tub injecting nozzle such as the injecting nozzle 11 for the back and the injecting nozzle 12 for the foot that returns to the injecting bath 1. Further, the motor for opening and closing the flow control valve 23 is a stepping motor 41.

[0006]

As described above, the flow rate control valve 23 is provided on the downstream side of the circulation pump 8 and the flow rate control valve 23 is intermittently opened and closed in order to open and close the flow rate control valve 23. A web mode that gently opens and closes the
Various injection modes such as a random mode in which the intermittent mode and the web mode are combined are set, and the operation unit 40 for selecting these injection modes is provided, so that the intermittent mode, the web, and the like are provided when returning the injection to the bathtub 1. Mode, you can select any of various injection modes such as random mode that combines these to perform reflow injection, change the injection mode to the human body according to your preference,
It is intended to enhance the massage effect and bath effect.

Further, since the shoulder contact nozzle 3 returns the jet to the bath tub 1, the jet mode for the shoulder is selectively changed to enhance the massage effect on the shoulder. In addition, it is intended to enhance the massage effect on the back, the legs, etc. by providing the in-tub injection nozzles such as the injection nozzle 11 for the back and the injection nozzle 12 for the foot to return the injection to the bathtub. is there.

Further, since the motor for opening and closing the flow control valve 23 is the stepping motor 41, it does not have a complicated control form such as feedback but has a control form such as open loop control and the control system can be simplified. It was done like this.

[0009]

Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a perspective view of the whole bath 1, and FIG. 2 is a pipeline diagram showing the whole system. A circulation pump 8 is arranged on the side of the bathtub 1, and a suction port 9 and the circulation pump 8 in the bathtub 1 are connected by a suction pipe 10. The circulation pump 8 removes hot water in the bathtub 1. Can be inhaled. On the inner wall surface of the bathtub 1, a plurality of back jet nozzles 11 and jet feet 12 for jetting hot water mixed with bubbles are provided in the bathtub 1. The jet nozzles 11 and 12 and the circulation pump 8 are provided.
Are connected by nozzle water supply pipes 13 and 14, so that hot water can be supplied to the injection nozzles 11 and 12.
The flange 2 of the bathtub 1 is provided with an air intake port 15,
The air inlet 15 and the injection nozzles 11 and 12 are connected to the air pipe 1
6 are connected to each other, whereby the injection nozzles 11 and 12 are connected.
Air can be supplied to. On the flange 2 of the bath tub 1, a pair of shoulder rest shower devices 17 are arranged at positions corresponding to the shoulders of the bather. The bath water is supplied to the shoulder shower device 17. Operation of bathtub 1 is remote control 2
The operation is performed at 0, and it is possible to select each operation pattern, adjust the strength of the flow rate, adjust the frequency of the jet flow change, and the like. A signal from the remote controller 20 as the operation unit 40 is sent to the remote controller light receiving unit and transmitted to the control unit 22 housed in the circulation pump 8.

The bath water sucked through the suction port 9 is supplied from the circulation pump 8 to the water supply pipes 13 and 14 and the shoulder pad shower water supply pipe 18 via a flow rate control valve 23 for controlling the circulation flow rate inside the pump unit. It has become so.
The water supply pipes 13, 14 and the shoulder shower water supply pipe 18 are respectively provided with a back flow path switching valve 24 such as a motor valve, a foot flow path switching valve 25, and a shoulder flow path switching valve 26. The supply of hot water can be switched. The water supply pipe 13 is passed through the back flow path switching valve 24 and the foot flow path switching valve 25.
The bath water circulated through 14 is the injection nozzles 11, 1
At 2, the air is mixed with the air from the air pipe 16, and a jet stream containing bubbles is jetted into the bath 1. The bath water that has circulated through the shoulder channel switching valve 24 and the shoulder pad shower water supply pipe 18 is supplied to the shoulder pad shower device 17, and jetted from the shoulder pad nozzle 3 of the shoulder pad shower device 17. To be done.
The flow rate of the bath water circulated and supplied to the injection nozzles 11 and 12 and the shower device 17 for shoulder rests is controlled by the control unit 22.
It is possible to adjust the circulation flow rate by controlling 3, and the injection nozzles 11 and 12, the shower device 17 for shoulder rests.
Adjusting the strength of the jet from the shoulder pad nozzle 3
Various variations of jet flow can be obtained.

The shoulder rest shower device 17 is formed as shown in FIG. A pedestal 27 is attached to the flange 2, and a main body 28 is rotatably attached to the pedestal 27. An O-ring 29 is interposed in a portion that rotatably connects the pedestal 27 and the main body 28, and the O-ring 29 is watertightly connected. A strainer 30 for removing dust is interposed between the pedestal 27 and the main body 28. On the upper part of the main body 28, a cylindrical rotary shaft 31 is horizontally arranged and rotatably mounted. An O-ring 32 is also interposed in a watertight manner at a portion where the rotary shaft 31 is rotatably connected. A shoulder pad nozzle 3 is attached to the rotary shaft 31, and a jet of shower water can be jetted from an jet port 33 at the tip of the shoulder pad nozzle 3. An oscillation type pure fluid element 34 such as a feedback oscillation type pure fluid element is internally provided in the shoulder pad nozzle 3, and the direction of the jet flow is alternately switched by the oscillation of the oscillation type pure fluid element 34. ing. That is, the jet flow ejected from the main nozzle 35 of the oscillating pure fluid element 34 is the feedback pipe 3
It is switched by a negative pressure of 6 and is injected alternately in two directions.
This shoulder pad shower device 17 can rotate the shoulder pad nozzle 3 in a horizontal plane as shown by the arrow A in FIG. 4 by rotating the main body 28, and the shoulder pad nozzle 3 is shown by the arrow B in FIG. It can be rotated up and down, and the direction of the shoulder pad nozzle 3 can be freely changed.

To open and close the flow control valve 23 provided on the downstream side of the circulation pump 8, an intermittent mode in which the flow control valve 23 is opened and closed intermittently, and a web mode in which the flow control valve 23 is opened and closed gently. Various injection modes such as a random mode in which the intermittent mode and the web mode are combined and a continuous mode in which a constant opening is maintained are set, and these are stored in the control unit 22. The operation unit 40 for selecting such an injection mode is the remote controller 2
1 is provided.

As described above, the flow control valve 23 is provided on the downstream side of the circulation pump 8 and the flow control valve 23 is opened and closed by intermittently opening and closing the flow control valve 23.
Various injection modes such as a web mode in which the flow control valve 23 is gently opened and closed, a random mode in which the intermittent mode and the web mode are combined, and a continuous mode in which a constant opening is maintained are set, and these injection modes are selected. By providing the operation unit 40 for performing the injection return to the bathtub 1, any of various injection modes such as an intermittent mode, a web mode, a random mode combining these, and a continuous mode for maintaining a constant opening degree. Or operation unit 4
The selection operation is performed at 0, and the return injection is performed in the injection mode selected from the shoulder pad nozzle 3 or the back and foot injection nozzles 11 and 12 which are selected in advance during the return injection. Then, in the shoulder pad nozzle 3, the jetting mode for the shoulder is selectively changed to enhance the massage effect on the shoulder. Then, the massage effect on the back, legs, etc. is enhanced by the jet return flow from the in-tub jet nozzles such as the jet nozzle 11 for the back and the jet nozzle 12 for the foot. By the way, the motor that opens and closes the flow control valve 23 is the stepping motor 41, which does not have a complicated control form such as feedback but has a control form such as open loop control, and the control system can be simplified.

By the way, in the continuous mode in which the opening degree of the flow control valve 23 is fixed at a required angle, a sufficient massage effect can be obtained by continuous stimulation. Flow control valve 2
In the intermittent mode in which the opening and closing of 3 is repeated, a massage effect such as a shoulder tap or acupressure is obtained by the intermittent stimulation. In the web mode in which the flow control valve 23 is gently opened and closed, a relaxing massage effect can be obtained due to the gradual change in strength. Then, in the rhythm in the natural world, that is, in the 1 / f fluctuation mode in which the opening / closing of the flow rate control valve 23 is controlled to 1 / f fluctuation, a stimulus of a pleasant rhythm is given to the human body.

[0015]

As described above, according to the present invention, the flow control valve is provided on the downstream side of the circulation pump, and the flow control valve is intermittently opened and closed to drive the flow control valve to open and close. Various injection modes such as a web mode that gently opens and closes the valve, a random mode that combines these intermittent mode and web mode are set, and an operation unit that selects these injection modes is provided. At the time of flow, intermittent mode, web mode, it is possible to perform recurrent injection by selecting any of various injection modes such as a random mode in which these are combined, and the injection mode for the human body can be changed according to preference. It has the advantage of enhancing the massage effect and bathing effect.

Further, since it is the shoulder pad nozzle that returns the jet to the bathtub, there is an advantage that the jet mode for the shoulder can be selectively changed to enhance the massage effect on the shoulder. Further, since it is the in-tub injection nozzles such as the injection nozzle for the back and the injection nozzle for the foot that return to the bathtub, there is an advantage that the massage effect on the back, feet and the like can be enhanced.

Further, since the motor for opening and closing the flow control valve is a stepping motor, it is possible to adopt a control form such as open loop control without taking a complicated control form such as feedback and simplify the control system. ..

[Brief description of drawings]

FIG. 1 is an overall perspective view of an embodiment of the present invention.

FIG. 2 is a piping diagram of the same.

FIG. 3 is a detailed cross-sectional view of the above shoulder pad nozzle.

FIG. 4 is an external perspective view of the above shoulder pad nozzle.

FIG. 5 is a time chart showing the above intermittent mode.

FIG. 6 is a time chart showing the same web mode as above.

FIG. 7 is a time chart showing the 1 / f fluctuation mode of the above.

FIG. 8 is a time chart showing the above random mode.

FIG. 9 is a schematic sectional view showing a stepping motor and a flow rate control valve of the same.

[Explanation of symbols]

 1 Bath 8 Circulation Pump 9 Suction Port 40 Operation Section 41 Stepping Motor

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[Procedure amendment]

[Submission date] April 20, 1992

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 1

[Correction method] Change

[Correction content]

[Figure 1]

Claims (4)

[Claims] 1. A circulation bathtub for sucking hot water in a bathtub from a suction port by a circulation pump and returning it to the bathtub by providing a flow control valve on the downstream side of the circulation pump and opening and closing the flow control valve. Various injection modes are set for driving, such as an intermittent mode in which the flow control valve is opened and closed intermittently, a web mode in which the flow control valve is opened and closed gently, and a random mode in which these intermittent mode and web mode are combined. ,
An injection device for a circulating bath, comprising an operation unit for selecting one of these injection modes. 2. The injection device for a circulating bath according to claim 1, wherein a device for returning the jet to the bath is a shoulder pad nozzle. 3. The injection device for a circulating bath according to claim 1, wherein the jet returning to the bath is an in-tub jet nozzle such as a back jet nozzle and a foot jet nozzle. 4. The injection device for a circulating bath according to claim 1, wherein the motor for opening and closing the flow control valve is a stepping motor.