JP2010057556A - Jet bath system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a jet bath system capable of suppressing the generation of "air accumulation" inside air piping. <P>SOLUTION: The jet bath system includes: a bathtub 1; a pump 7 for sucking bathtub water from a suction port 5 and pressurizing and discharging it; a water guiding piping part 6 for guiding the bathtub water sucked from the suction port 5 to the pump 7; nozzles 12 and 16 capable of jetting the bathtub water discharged from the pump 7 into the bathtub 1; blow piping parts 11 and 15 for guiding the bathtub water discharged from the pump to the nozzles; an on-off valve 31 capable of switching air supply and air non-supply to the blow piping parts or the nozzles; a first air piping part 32 connected to the upstream side of the on-off valve, for guiding air in the atmosphere to the on-off valve; and a second air piping part 35 connected to the downstream side of the on-off valve and the blow piping parts or the nozzles, for guiding the air in the atmosphere through the on-off valve to the blow piping parts or the nozzles, for which a conduit from the on-off valve to a connection part with the blow piping parts or the nozzles is disposed so as to be maintained at a position at the same height as the connection part or lower than the connection part. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a jet bath system having a configuration for jetting a bubble-containing jet into a bathtub.

  There is a bathtub bubble ejection device that circulates bathtub water and applies a jet flow in which bubbles are mixed into the bathtub water to the surface of the user's body in the bathtub to give a massage effect or the like (for example, Patent Documents 1 and 2). ). Such an apparatus generally includes an air pipe for supplying air, and mixes air with bathtub water to eject a jet (referred to as “blow operation with air” for convenience of explanation) and air to the bathtub. There may be a case where an operation of jetting a jet without mixing with water (referred to as “blow operation without air” for convenience of explanation) may be selected.

  In this case, since the air is mixed into the bathtub water during the “blow operation with air”, a so-called “breaking sound” of air such as “goo” or “boo” is generated from the air pipe. Therefore, a certain amount of noise is generated during the operation of “blow operation with air”. On the other hand, in the “airless blow operation”, only the bathtub water is circulated, so that no noise is generated during the operation and the operation is relatively quiet.

However, in spite of the “airless blow operation”, it has been found that, for example, an unpleasant sound such as “jurujuru” may be generated. As a result of investigating the cause, air is gradually mixed into the bathtub water from the “air pool” generated in the downstream air piping such as the open / close valve and check valve provided in the middle of the air piping. It turns out that. This “air pool” is likely to occur when the downstream air piping such as the open / close valve and the check valve is located higher than the bathtub water piping connected to the nozzle that jets the jet. It was found that there was a case where the sound of unpleasant feeling such as “Jurujuru” was generated for a long time when it was drawn by the water flow of the water pipe and gradually mixed into the bathtub water pipe. In other words, it has been found that, due to the ejector effect caused by the negative pressure in the vicinity of the nozzle outlet, air is gradually mixed into the bathtub water from the “air reservoir” as described above.
JP 2005-230041 A JP 2007-75197 A

  An aspect of the present invention is made based on recognition of such a problem, and provides a jet bath system capable of suppressing the occurrence of “air pool” in an air pipe.

  According to one aspect of the present invention, a bathtub that can store bathtub water and has a suction port that sucks in the bathtub water, a pump that sucks and pressurizes bathtub water from the suction port, and the suction port A water guide pipe section for leading the bathtub water sucked from the pump to the pump, a nozzle capable of jetting the bathtub water discharged from the pump into the bathtub, and a blow pipe for guiding the bath water discharged from the pump to the nozzle A first on-off valve connected to an upstream side of the on-off valve, and an on-off valve capable of switching between air supply and air non-supply to the blow pipe section or the nozzle, and leading air in the atmosphere to the on-off valve An air piping unit, a downstream side of the on-off valve, and the blow piping unit or the nozzle are connected to the air piping unit, and air in the atmosphere is guided to the blow piping unit or the nozzle through the on-off valve. From the above A second air piping section disposed so that a pipe line leading to the low piping section or the connecting section with the nozzle is maintained at the same height as the connecting section or at a position lower than the connecting section; There is provided a jet bath system characterized by comprising.

  Moreover, according to the other one aspect | mode of this invention, while being able to store bathtub water, the bathtub which has a suction inlet which sucks in the said bathtub water, and the pump which suck | inhales, pressurizes, and discharges bathtub water from the said suction inlet, A water guide pipe section for guiding the bathtub water sucked from the suction port to the pump, a nozzle capable of jetting the bathtub water discharged from the pump into the bathtub, and the bathtub water discharged from the pump as the nozzle A blow pipe section leading to the blow pipe section, an on-off valve capable of switching between air supply and air non-supply to the blow pipe section or the nozzle, and provided downstream of the on-off valve, from the nozzle to the on-off valve A check valve for preventing intrusion of the bath water, a first air pipe connected to the upstream side of the on-off valve, for guiding air in the atmosphere to the on-off valve, and a downstream side of the check valve; The blow piping section or the nose And the air in the atmosphere is guided to the blow pipe section or the nozzle via the on-off valve and the check valve, and reaches from the check valve to the connection section with the blow pipe section or the nozzle. A jet air bath system comprising: a second air piping portion disposed so that a pipe line is maintained at the same height as the connection portion or at a position lower than the connection portion. Is done.

  According to the aspect of the present invention, a jet bath system capable of suppressing the occurrence of “air pool” in the air pipe is provided.

The first invention is capable of storing bathtub water and having a suction port that sucks in the bathtub water, a pump that sucks and pressurizes bathtub water from the suction port, and sucks from the suction port A water conduit pipe section that guides bathtub water to the pump, a nozzle that can eject the bathtub water discharged from the pump into the bathtub, and a blow pipe section that guides bathtub water discharged from the pump to the nozzle; An on-off valve capable of switching between air supply and air non-supply to the blow pipe part or the nozzle, and a first air pipe part connected to the upstream side of the on-off valve and guiding air in the atmosphere to the on-off valve And is connected to the downstream side of the on-off valve and the blow pipe part or the nozzle, and air in the atmosphere is guided to the blow pipe part or the nozzle through the on-off valve, and the blow valve is supplied from the on-off valve. Piping Or a second air piping portion disposed so that a pipe line leading to the connection portion with the nozzle is maintained at the same height as the connection portion or at a position lower than the connection portion. It is a jet bath system characterized by.
According to this jet bath system, the piping portion downstream of the on-off valve, that is, the second air piping portion is disposed at the same height as the blow piping portion or the connection portion with the nozzle or at a position lower than that. As a result, it is possible to suppress the occurrence of “air pool” in the second air piping section.

In a second aspect based on the first aspect, the second air piping section is arranged so that the conduit is maintained at the same height as the on-off valve or higher than the on-off valve. It is a jet bath system characterized by being installed.
According to this jet bath system, the second downstream side of the pipe part, that is, the second air pipe part from the on-off valve is disposed at the same height as the on-off valve or higher than the on-off valve. The air guided to the air piping part becomes easy to flow toward the connection part with the blow piping part or the nozzle. As a result, it is possible to suppress the occurrence of “air pool” in the second air piping section.

In a third aspect based on the first aspect or the second aspect, the second air pipe section maintains the substantially same height of the pipe line from the connection section to the downstream side of the on-off valve. Or a jet bath system that is arranged so as to become lower toward the downstream side from the connecting portion.
According to this jet bath system, the pipe portion on the downstream side of the on-off valve, that is, the central axis of the second air piping portion is always in the substantially horizontal direction toward the blow piping portion or the connection portion with the nozzle, or the blow piping. It always faces upward toward the connection part with the nozzle or nozzle. For this reason, the air guided to the second air piping part is more likely to flow toward the connection part with the blow piping part or the nozzle. Or the air guide | induced to the 2nd air piping part is guide | induced naturally upward according to the arrangement | positioning form of the 2nd air piping part. As a result, it is possible to suppress the occurrence of “air pool” in the second air piping section.

The fourth invention is the jet bath system according to any one of the first to third inventions, wherein the on-off valve is disposed in the vicinity of the connecting portion.
According to this jet bath system, since the length of the piping part downstream of the on-off valve, that is, the second air piping part can be set short, the occurrence of “air accumulation” in the second air piping part is further suppressed. can do.

In addition, the fifth invention is capable of storing bathtub water and having a suction port that sucks in the bathtub water, a pump that sucks and pressurizes bathtub water from the suction port, and the suction port. A water guide pipe section that guides the sucked bathtub water to the pump, a nozzle that can jet the bathtub water discharged from the pump into the bathtub, and a blow pipe section that guides the bathtub water discharged from the pump to the nozzle An on-off valve that can switch between air supply and air non-supply to the blow pipe section or the nozzle, and an intrusion of the bathtub water from the nozzle to the on-off valve. A non-return valve, a first air pipe connected to the upstream side of the on-off valve and guiding air in the atmosphere to the on-off valve, a downstream side of the check valve, and the blow pipe part or Connected to the nozzle, In addition, air in the atmosphere is guided to the blow pipe part or the nozzle through the on-off valve and the check valve, and a pipe line extending from the check valve to the connection part with the blow pipe part or the nozzle is connected to the air pipe. And a second air piping section disposed so as to be maintained at the same height as the section or lower than the connection section.
According to this jet bath system, the piping portion downstream of the check valve, that is, the second air piping portion is disposed at the same height as the blow piping portion or the connection portion with the nozzle or at a position lower than that. As a result, it is possible to suppress the occurrence of “air pool” in the second air piping section.

In addition, in a sixth aspect based on the fifth aspect, the second air piping section is configured such that the pipe line is maintained at the same height as the check valve or higher than the check valve. It is a jet bath system characterized by being arranged in.
According to this jet bath system, the pipe part downstream of the check valve, that is, the second air pipe part is arranged at the same height as the check valve or at a position higher than the check valve. The air guided to the second air pipe part is likely to flow toward the blow pipe part or the connection part with the nozzle. As a result, it is possible to suppress the occurrence of “air pool” in the second air piping section.

In addition, according to a seventh aspect based on the fifth or sixth aspect, the second air piping portion maintains the substantially same height of the pipe line from the connection portion to the downstream side of the on-off valve. Or a jet bath system that is arranged so as to become lower toward the downstream side from the connecting portion.
According to this jet bath system, the central portion of the piping portion downstream of the check valve, that is, the second air piping portion, is always in a substantially horizontal direction or toward the connecting portion with the blow piping portion or nozzle. It always faces upwards toward the pipe or nozzle connection. For this reason, the air guided to the second air piping part is more likely to flow toward the connection part with the blow piping part or the nozzle. Or the air guide | induced to the 2nd air piping part is guide | induced naturally upward according to the arrangement | positioning form of the 2nd air piping part. As a result, it is possible to suppress the occurrence of “air pool” in the second air piping section.

The eighth invention is the jet bath system according to any one of the fifth to seventh inventions, wherein the check valve is disposed in the vicinity of the connecting portion.
According to this jet bath system, since the length of the piping portion downstream of the check valve, that is, the length of the second air piping portion can be set short, the occurrence of “air pool” in the second air piping portion is further reduced. Can be suppressed.

Embodiments of the present invention will be described below with reference to the drawings. In addition, in each drawing, the same code | symbol is attached | subjected to the same component and detailed description is abbreviate | omitted suitably.
FIG. 1 is a schematic diagram showing the configuration of a jet bath system according to a first embodiment of the present invention.
Moreover, FIG. 2 is the schematic diagram which looked at the jet bath system concerning this embodiment from the plane direction. Moreover, FIG. 3 is the schematic diagram which looked at the jet bath system concerning this embodiment from the side surface direction.

  The jet bath system according to the present embodiment is mainly jetted from the bathtub 1, the jet jet part for sucking the bathtub water in the bathtub 1 and ejecting the bathtub water again from the nozzles 12, 16 and the nozzles 12, 16. And an air supply unit that allows air bubbles to be mixed into the jet.

First, the jet ejection part will be described with reference to the drawings.
The bathtub 1 can store bathtub water and has a suction port 5 for sucking the stored bathtub water. In the present specification, “water” includes not only cold water but also heated hot water. The suction port 5 is formed in the long side bathtub wall in the bathtub 1, and the suction port 5 is connected to the suction port of the pump 7 through the water conduit 6. When the pump 7 is driven, the bathtub water stored in the bathtub 1 is sucked from the suction port 5 into the water conduit 6.

  When considering a normal bathtub having a pair of opposed long-side bathtub walls and a pair of opposed short-side bathtub walls, a bather generally has a back on one of the pair of short-side bathtub walls. When the suction port 5 is formed on the short side bathtub wall, the suction port 5 is blocked by the back or sole of the bather. There is a concern that an excessive load is applied to the pump 7. Therefore, it is desirable to form the suction port 5 in the long side bathtub wall which is not easily blocked by a part of the body of the bather.

  A discharge pipe section 8 is connected to the discharge port of the pump 7, and two jet supply systems are connected to the discharge pipe section 8 via a three-way valve 9 as a switching valve in the present embodiment. . These two jet supply systems are provided in two branches with respect to the discharge pipe section 8, and each system is not connected to other systems and can perform jet jetting operation independently.

  The first jet supply system includes a first blow pipe section 11 connected to the discharge pipe section 8 via the three-way valve 9, and a discharge pipe section 8 and a first blow pipe section discharged from the pump 7. And a first nozzle 12 capable of ejecting pressurized bathtub water guided to 11 into the bathtub 1. As for the 1st blow piping part 11, the downstream is branched into two, and the 1st nozzle 12 is connected to the branch destination, respectively.

  The second jet supply system includes a second blow pipe section 15 connected to the discharge pipe section 8 via the three-way valve 9, and a discharge pipe section 8 and a second blow pipe section discharged from the pump 7. And a second nozzle 16 capable of ejecting the pressurized bathtub water guided to 15 into the interior of the bathtub 1. As for the 2nd blow piping part 15, the downstream is branched into two, and the 2nd nozzle 16 is connected to the branch destination, respectively.

  Each system may have only one nozzle. In that case, each of the blow pipe portions 11 and 15 does not need to be branched. Alternatively, each system may have three or more nozzles. In the present embodiment, for example, the two first nozzles 12 are attached to one short side bath wall 2a, and the other short side bath wall 2b facing the short side bath wall 2a has, for example, two second nozzles. Two nozzles 16 are attached.

  The pump 7 and the three-way valve 9 are controlled based on a signal from the control unit 21 in response to an operation of the operation unit 22 by the user. When the jet flow is ejected from the first nozzle 12 based on the control signal by the user's operation, the three-way valve 9 is connected to the discharge line portion 8 connected to the discharge port of the pump 7 and the first nozzle 12. In the “first position” where the first blow piping unit 11 communicated and the second blow piping unit 15 connected to the second nozzle 16 and the discharge pipe unit 8 are blocked. Switch. Then, the pressurized bath water sucked from the suction port 5 and pressurized by the pump 7 is guided through the first blow piping section 11 and is ejected from the first nozzle 12 into the bath water.

  On the other hand, when the jet flow is ejected from the second nozzle 16 based on the control signal by the user's operation, the three-way valve 9 is connected to the discharge pipe portion 8 and the second blow pipe connected to the second nozzle 16. The unit 15 is communicated, and the first blow piping unit 11 connected to the first nozzle 12 and the discharge pipe unit 8 are switched to the “second position”. Then, the pressurized bath water sucked from the suction port 5 and pressurized by the pump 7 is guided through the second blow pipe section 15 and is ejected from the second nozzle 16 into the bath water.

  That is, when the pump 7 is driven, the first jet supply system having the first nozzle 12 and the second jet supply system having the second nozzle 16 do not communicate with the discharge side of the pump 7 at the same time. Only one of the systems communicates with the discharge side of the pump 7 and a jet is ejected from only one of the first nozzle 12 and the second nozzle 16.

Next, the air supply unit will be described with reference to the drawings.
In the bathtub rim 3 provided around the upper edge of the inner tank of the bathtub 1, the long side bathtub wall in which the suction port 5 is formed, and the short side bathtub wall 2 a in which the first nozzle 12 is provided An air intake port 41 is formed in the vicinity of the corners.

  A first air piping section 32 is connected to the air intake port 41, and a second air piping section 35 is connected to the first air piping section 32 via an on-off valve 31 that opens and closes the air flow path. ing. Further, the first air piping portion 32 communicates with the atmosphere via the air intake port 41. The second air piping part 35 is branched into two on the downstream side, and is connected to each of the two second blow piping parts 15. Note that the second air piping unit 35 may be connected to each of the two second nozzles 16. The on-off valve 31 may be an electrically driven on-off valve such as an electromagnetic valve, or may be a manually driven on-off valve.

  The on-off valve 31 is controlled based on a signal from the control unit 21 in response to an operation of the operation unit 22 by the user. Then, by opening the on-off valve 31 based on the control signal, the air intake port 41 provided in the bathtub rim 3, the first air piping portion 32, and the second air piping portion 35 are used for the first operation. The air in the atmosphere can be mixed into the second blow piping section 15 or the second nozzle 16 to eject a bubble-containing jet. According to this, the front side of the body is directed to the short side bathtub wall 2b to which the second nozzle 16 is attached, and the flow rate is reduced with respect to the bather who leans back on the opposite short side bathtub wall 2a. Many powerful jets are erupted and can locally stimulate the bather's lower limbs, for example.

  On the other hand, the on-off valve 31 can be closed based on a control signal generated by a user operation. As a result, the supply of air into the second blow piping section 15 or the second nozzle 16 is cut off, and a jet without bubbles is ejected from the second nozzle 16. According to this, the bather who turned the front side of the body to the short-side bathtub wall 2b to which the second nozzle 16 is attached and leaned back against the short-side bathtub wall 2a on the opposite side, You can feel the feeling of being wrapped gently and relax your mind.

  A third air piping portion 37 is further connected to the air intake port 41, and one end (downstream end) of the third air piping portion is connected to the suction port 5. Further, the third air piping part 37 communicates with the atmosphere via the air intake port 41. For example, when the suction port 5 is blocked by a part of the body of the bather or the hair, and the negative pressure inside the suction port 5 increases, the air intake port 41 and the third air piping part 37 are brought into the interior due to the ejector effect. Air is taken in via As a result, the capacity of the pump 7 is reduced or stopped by sucking the air. As a result, it is possible to avoid unnecessary driving of the pump 7 in a situation where the bath water is not sucked, and the suction force at the suction port 5 is weakened, so that a part of the bather's body, hair, etc. can be easily taken from the suction port 5. Can be released.

FIG. 4 is a schematic view of the jet bath system according to the present embodiment as viewed from the side direction where the on-off valve is provided.
FIG. 5 is an enlarged schematic view of the vicinity of the on-off valve of the present embodiment.
FIG. 6 is an enlarged schematic view in which the vicinity of the on-off valve of the present embodiment is enlarged and viewed from the side surface direction. 6 corresponds to a right side view of the enlarged schematic diagram shown in FIG.

  As shown in FIGS. 4 to 6, the on-off valve 31 is provided below (lower position) than the second nozzle 16. The second air piping unit 35 is connected to the on-off valve 31 and the second blow piping unit 15, and is above (on a higher position) than the on-off valve 31 and below the second nozzle 16 ( (Low position). And the pipe line of the 2nd air piping part 35 has the highest downstream end (connection part with the 2nd blow piping part 15), and it becomes low as it goes to the on-off valve 31 from the downstream end. Is provided. That is, the pipe line of the second air piping part 35 is always directed upward from the on-off valve 31 toward the downstream end of the second air piping part 35. Therefore, the air guided to the second air piping part 35 via the on-off valve 31 is naturally guided upward in accordance with the arrangement form of the pipe line of the second air piping part 35, and the second blow piping Join the section 15.

  According to this, the on-off valve 31 can be closed to easily cut off the supply of air into the second blow pipe section 15 and a jet without bubbles can be ejected from the second nozzle 16. At this time, the air present in the second air piping part 35 is naturally guided upward without staying in the second air piping part 35 and added to the second blow piping part 15. It is discharged into the bathtub along with the pressure bath water. And the inside of the 2nd air piping part 35 will be in the state filled with pressurized bathtub water. Therefore, the occurrence of “air pool” in the second air piping section 35 can be suppressed.

  As a result, it is possible to prevent air from being mixed into the pressurized bath water led to the second blow piping section 15. Thereby, when jetting without bubbles is ejected from the second nozzle 16, it is possible to prevent air from being mixed into the pressurized bath water little by little. Therefore, only the sound which circulates bathtub water mainly generate | occur | produces during this driving | operation, and it can prevent generating a loud sound and an unpleasant sound.

  On the other hand, consider a comparative example in which the on-off valve 31 is provided above the second nozzle 16. In this comparative example, the downstream end of the second air pipe part 35 (the connection part with the second blow pipe part 15) is the lowest, and the second air pipe part 35 has a height that increases from the downstream end toward the on-off valve 31. Two air piping portions 35 are provided. Therefore, an “air pool” is likely to occur in the second air piping portion 35.

  This is because the downstream end of the second air piping portion 35 is the lowest, and it is difficult for air present in the second air piping portion 35 to be naturally guided toward the downstream end. Then, air is gradually mixed from the “air reservoir” into the pressurized bath water by the ejector effect generated by the negative pressure in the vicinity of the jet nozzle of the second nozzle 16. According to this, even though a jet without bubbles is ejected from the second nozzle 16, a sound that gives an unpleasant feeling such as “Jurujuru” due to air being gradually mixed into the pressurized bath water. May occur.

  Note that, as in this comparative example, the downstream end of the second air piping portion 35 (the connection portion with the second blow piping portion 15) is set to the lowest level, and the “air pool” is set in the second air piping portion 35. ”May prevent air from intervening in the pump 7 through the second blow piping section 15. This is because if the pump 7 is operated with air intervening in the pump 7, the discharge amount of the pump 7 decreases.

  Against this, in the jet bath system according to the present embodiment, the occurrence of “air pool” in the second air piping part 35 can be suppressed, that is, air exists in the second air piping part 35. Therefore, there is little possibility of air intervening in the pump 7 through the second blow piping unit 15. Therefore, as in the jet bath system according to the present embodiment, the second air piping unit is such that the downstream end of the second air piping unit 35 is the highest and becomes lower from the downstream end toward the on-off valve 31. Even if 35 is provided, there is little possibility that air will intervene in the pump 7 and the discharge amount will decrease.

  On the other hand, even when the on-off valve 31 is opened and air in the atmosphere is mixed into the second blow piping section 15, the bubble-containing jet can be easily ejected. This is because the air in the second air piping part 35 is naturally guided upward as described above. In this case, a certain amount of sound such as a so-called “tearing sound” is generated from the vicinity of the on-off valve 31 or the second air piping portion 35.

  The on-off valve 31 is provided in the vicinity of the downstream end of the second air piping portion 35. According to this, since the length of the 2nd air piping part 35 can be shortened, it can suppress more that "an air pool" generate | occur | produces in the 2nd air piping part 35. FIG. In addition, the 2nd air piping part 35 may be connected to the 2nd nozzle 16 as mentioned above regarding FIGS. That is, the downstream end of the second air piping part 35 may be a connection part with the second nozzle 16.

FIG. 7 is a schematic view illustrating a jet bath system according to a modification of this embodiment. 7 corresponds to the right side view in the enlarged schematic diagram shown in FIG. 5, similarly to the enlarged schematic diagram shown in FIG. 6.
The on-off valve 31 of this modification is provided at substantially the same height as the second nozzle 16. The second air piping part 35 is connected to the on-off valve 31 and the second blow piping part 15 and is provided at substantially the same height as the second nozzle 16. And the pipe line of the 2nd air piping part 35 maintains the substantially same height from the downstream end (connection part with the 2nd blow piping part 15) to the upstream end (connection part with the on-off valve 31). It is provided to do. That is, the central axis of the pipe line of the second air piping part 35 is always in a substantially horizontal direction from the upstream end toward the downstream end. About another structure, it is the same as that of the structure of the jet bath system demonstrated regarding FIGS.

  Therefore, the air guided to the second air piping part 35 via the opening / closing valve 31 easily flows toward the downstream end of the second air piping part 35 and easily joins the second blow piping part 15. . In addition, the air guided to the second air pipe portion 35 easily flows toward the downstream end due to the ejector effect generated by the negative pressure in the vicinity of the jet nozzle of the second nozzle 16. That is, it is possible to suppress the occurrence of “air pool” in the second air piping portion 35.

  According to this, as described above with reference to FIGS. 4 to 6, the on-off valve 31 is closed to easily shut off the supply of air into the second blow piping unit 15, and no air bubbles are generated from the second nozzle 16. A jet can be ejected. At this time, the air existing in the second air piping portion 35 is guided in the direction of the second blow piping portion 15 without staying in the second air piping portion 35, and the second blow piping portion 15. The water is discharged into the bathtub together with the pressurized bathtub water led to. And the inside of the 2nd air piping part 35 will be in the state filled with pressurized bathtub water.

  As a result, the same effects as those described above with reference to FIGS. 4 to 6 can be obtained. That is, when a jet without bubbles is ejected from the second nozzle 16, it is possible to prevent air from being mixed into the pressurized bath water little by little. Therefore, only the sound which circulates bathtub water mainly generate | occur | produces during this driving | operation, and it can prevent generating a loud sound and an unpleasant sound.

  It should be noted that the on-off valve 31 is set to the second nozzle 16 to such an extent that an “air pool” does not occur in the second air piping portion 35 due to the ejector effect generated by the negative pressure in the vicinity of the jet nozzle of the second nozzle 16. Alternatively, it may be provided slightly above. Even in this case, the inside of the 2nd air piping part 35 will be in the state filled with pressurized bathtub water, and is included in the scope of the present invention. That is, the valve 31 provided on the slightly upper side of the second nozzle 16 to such an extent that an “air pool” does not occur in the second air piping portion 35 is referred to as “same height”. ”Or“ substantially the same height ”.

  As described above, according to the present embodiment, the second air piping portion 35 has the highest downstream end (the connection portion with the second blow piping portion 15 or the second nozzle 16), and its downstream side. It is provided so as to become lower from the end toward the on-off valve 31. That is, the central axis of the second air piping part 35 is always directed upward from the on-off valve 31 toward the downstream end of the second air piping part 35. Or the 2nd air piping part 35 has the downstream end (connection part with the 2nd blow piping part 15 or the 2nd nozzle 16), and the upstream end (connection part with the on-off valve 31). It is provided to be approximately the same height. That is, the central axis of the second air piping portion 35 is always in a substantially horizontal direction from the upstream end toward the downstream end. According to this, generation | occurrence | production of the "air pool" in the 2nd air piping part 35 can be suppressed. Therefore, when a jet without bubbles is ejected from the second nozzle 16, only the sound of circulating the bath water is mainly generated, and it is possible to prevent the generation of loud sounds and unpleasant sounds.

Next, a second embodiment of the present invention will be described with reference to the drawings.
FIG. 8 is a schematic diagram showing a configuration of a jet bath system according to the second embodiment of the present invention.
In the jet bath system according to the present embodiment, the fourth air piping unit 38 connected to the downstream side of the on-off valve 31 is connected to the second air piping unit 35 via the check valve 43. That is, one end (upstream end) of the fourth air piping section 38 is connected to the on-off valve 31, and the other end (downstream end) is connected to the second air piping section 35 via the check valve 43. This can be considered that the check valve 43 is interposed in the middle of the second air piping part 35 in the jet bath system shown in FIG. The check valve 43 prevents hot water from entering the fourth air pipe 38 on the upstream side from the second nozzle 16 through the second air pipe 35. Therefore, dirt such as dirt hardly adheres and accumulates in the fourth air pipe portion 38 upstream of the check valve 43. About another structure, it is the same as that of the structure of the jet bath system mentioned above regarding FIG.

FIG. 9 is an enlarged schematic view of the vicinity of the on-off valve of the present embodiment.
FIG. 10 is an enlarged schematic view in which the vicinity of the on-off valve of the present embodiment is enlarged and viewed from the side surface direction. 10 corresponds to a right side view of the enlarged schematic diagram shown in FIG.

  As shown in FIGS. 9 and 10, the check valve 43 is built in the on-off valve 31 of the present embodiment. That is, the on-off valve 31 of this embodiment has a structure integrated with the check valve 43.

  The on-off valve 31 having the check valve 43 is provided below (lower position) than the second nozzle 16, as in the jet bath system shown in FIGS. 4 to 6. The second air piping part 35 is connected to the check valve 43 and the second blow piping part 15, and is above (higher position) than the check valve 43 and below the second nozzle 16. It is provided on the side (low position). And the 2nd air piping part 35 is provided so that the downstream end (connection part with the 2nd blow piping part 15) may be the highest, and it may become low as it goes to the non-return valve 43 from the downstream end. ing. That is, the central axis of the second air piping part 35 always faces upward from the check valve 43 toward the downstream end of the second air piping part 35. Therefore, the air guided to the second air piping part 35 via the check valve 43 is naturally guided upward in accordance with the arrangement form of the second air piping part 35, and the second blow piping part 15. To join. About another structure, it is the same as that of the structure of the jet bath system mentioned above regarding FIGS.

  According to this, the air existing on the downstream side of the check valve 43, that is, the air existing in the second air piping section 35 is the second in the same manner as in the jet bath system shown in FIGS. Without being retained in the air piping portion 35, the air is naturally guided upward, and is discharged into the bathtub together with the pressurized bath water led to the second blow piping portion 15. And the inside of the 2nd air piping part 35 will be in the state filled with pressurized bathtub water. Therefore, the occurrence of “air pool” in the second air piping section 35 can be suppressed. As a result, similar to the jet bath system shown in FIGS. 4 to 6, when a jet without bubbles is ejected from the second nozzle 16, only the sound of circulating the bath water is mainly generated, resulting in a loud sound. And unpleasant noise can be prevented. Moreover, about the other effect, the effect similar to the jet bath system represented to FIGS. 4-6 can be acquired.

  Also in the jet bath system according to the present embodiment, the check valve 43 may be provided at substantially the same height as the second nozzle 16 as in the modification shown in FIG. In this case, as for the 2nd air piping part 35, the downstream end (connection part with the 2nd blow piping part 15) and its upstream end (connection part with the non-return valve 43) are substantially the same. It is provided to be at a height. Even in this case, as described above with reference to FIG. 7, it is possible to suppress the occurrence of “air accumulation” in the second air piping portion 35. Further, the second air piping section 35 may be connected to the second nozzle 16 as described above with reference to FIGS. That is, the downstream end of the second air piping part 35 may be a connection part with the second nozzle 16.

  As described above, according to the present embodiment, the second air piping portion 35 has the highest downstream end (the connection portion with the second blow piping portion 15 or the second nozzle 16), and its downstream side. It is provided so as to become lower toward the check valve 43 from the end. That is, the central axis of the second air piping part 35 always faces upward from the check valve 43 toward the downstream end of the second air piping part 35. Alternatively, the second air piping portion 35 has a downstream end (connecting portion with the second blow piping portion 15 or the second nozzle 16) and an upstream end (connecting portion with the check valve 43), Are provided so as to have substantially the same height. That is, the central axis of the second air piping portion 35 is always in a substantially horizontal direction from the upstream end toward the downstream end. According to this, generation | occurrence | production of the "air pool" in the 2nd air piping part 35 can be suppressed. Therefore, when a jet without bubbles is ejected from the second nozzle 16, only the sound of circulating the bath water is mainly generated, and it is possible to prevent the generation of loud sounds and unpleasant sounds.

The embodiment of the present invention has been described above. However, the present invention is not limited to these descriptions. As long as the features of the present invention are provided, those skilled in the art appropriately modified the design of the above-described embodiments are also included in the scope of the present invention. For example, the shape, size, material, arrangement, etc. of each element provided in the jet ejection part, the air supply part, etc., the installation form of the air intake port and the blow pipe part, etc. are not limited to those illustrated, but may be changed as appropriate. be able to.
Moreover, each element with which each embodiment mentioned above is provided can be combined as long as technically possible, and the combination of these is also included in the scope of the present invention as long as it includes the features of the present invention.

It is the schematic showing the structure of the jet bath system concerning the 1st Embodiment of this invention. It is the schematic diagram which looked at the jet bath system concerning this embodiment from the plane direction. It is the schematic diagram which looked at the jet bath system concerning this embodiment from the side. It is the schematic diagram which looked at the jet bath system concerning this embodiment from the side surface direction in which the on-off valve was provided. It is the expansion schematic diagram which expanded and looked at the vicinity of the on-off valve of this embodiment. It is the expansion schematic diagram which expanded the vicinity of the on-off valve of this embodiment, and was seen from the side surface direction. It is a schematic diagram which illustrates the jet bath system concerning the modification of this embodiment. It is the schematic showing the structure of the jet bath system concerning the 2nd Embodiment of this invention. It is the expansion schematic diagram which expanded and looked at the vicinity of the on-off valve of this embodiment. It is the expansion schematic diagram which expanded the vicinity of the on-off valve of this embodiment, and was seen from the side surface direction.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Bathtub, 2a Short side bathtub wall, 2b Short side bathtub wall, 3 Bathtub rim, 5 Suction port, 6 Water conveyance piping part, 7 Pump, 8 Discharge pipe line part, 9 Three-way valve, 11 1st blow piping part , 12 1st nozzle, 15 2nd blow piping section, 16 2nd nozzle, 21 control section, 22 operation section, 31 open / close valve, 32 1st air piping section, 35 2nd air piping section, 37 3rd air piping part, 38 4th air piping part, 41 Air intake port, 43 Check valve

Claims (8)

A bathtub that can store bathtub water and has a suction port for sucking in the bathtub water;
A pump that sucks and pressurizes bathtub water from the suction port;
A conduit pipe for guiding the bath water sucked from the suction port to the pump;
A nozzle capable of ejecting bathtub water discharged from the pump into the bathtub;
A blow piping section that guides bathtub water discharged from the pump to the nozzle;
An on-off valve capable of switching between air supply and air non-supply to the blow pipe section or the nozzle;
A first air pipe connected to the upstream side of the on-off valve and guiding air in the atmosphere to the on-off valve;
Connected to the downstream side of the on-off valve and the blow pipe section or the nozzle, air in the atmosphere is guided to the blow pipe section or the nozzle via the on-off valve, and the blow pipe section from the on-off valve Or a second air piping portion arranged so that a pipe line leading to the connection portion with the nozzle is maintained at the same height as the connection portion or a position lower than the connection portion;
A jet bath system characterized by comprising:   2. The jet flow according to claim 1, wherein the second air piping portion is disposed so that the pipe line is maintained at the same height as the on-off valve or at a position higher than the on-off valve. Bath system.   The second air piping part is configured such that the pipe line is lowered so as to maintain substantially the same height from the connection part to the downstream side of the on-off valve or from the connection part toward the downstream side. The jet bath system according to claim 1, wherein the jet bath system is disposed in the water bath.   The jet bath system according to any one of claims 1 to 3, wherein the on-off valve is disposed in the vicinity of the connection portion. A bathtub that can store bathtub water and has a suction port for sucking in the bathtub water;
A pump that sucks and pressurizes bathtub water from the suction port;
A conduit pipe for guiding the bath water sucked from the suction port to the pump;
A nozzle capable of ejecting bathtub water discharged from the pump into the bathtub;
A blow piping section that guides bathtub water discharged from the pump to the nozzle;
An on-off valve capable of switching between air supply and air non-supply to the blow pipe section or the nozzle;
A check valve that is provided on the downstream side of the on-off valve and prevents the bath water from entering the on-off valve from the nozzle;
A first air pipe connected to the upstream side of the on-off valve and guiding air in the atmosphere to the on-off valve;
Connected to the downstream side of the check valve and the blow pipe part or the nozzle, air in the atmosphere is guided to the blow pipe part or the nozzle via the on-off valve and the check valve, and the reverse A second air pipe arranged so that a pipe line from the stop valve to the blow pipe part or the connection part with the nozzle is maintained at the same height as the connection part or at a position lower than the connection part. And
A jet bath system characterized by comprising:   The said 2nd air piping part is arrange | positioned so that the said pipe line may be maintained in the same height as the said non-return valve, or a position higher than the said non-return valve. Jet bath system.   The second air piping part is configured such that the pipe line is lowered so as to maintain substantially the same height from the connection part to the downstream side of the on-off valve or from the connection part toward the downstream side. The jet bath system according to claim 5 or 6, wherein the jet bath system is provided.   The jet flow bath system according to claim 5, wherein the check valve is disposed in the vicinity of the connection portion.

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