JP5335111B2 - Carbonated water discharge unit, carbonated water discharge device - Google Patents

Description

  The present invention relates to a carbonated water discharge unit that mixes carbon dioxide gas with feed water to generate carbonated water and discharges the carbonated water, and a carbonated water discharge apparatus including the carbonated water discharge unit.

It is known that washing with carbonated water is effective for returning hair that has been made alkaline by a shampoo or a permanent solution used in a beauty salon or barbershop to a weakly acidic state that is healthy. In addition, it is also known that by the foaming of carbonic acid (CO ₂ ) contained in carbonated water, fat clogged in the scalp pores are removed, blood circulation of the scalp is promoted, and hair growth effect can be expected. Furthermore, it is also known that carbonated springs are effective for promoting blood circulation and keeping the body warm.

  Thus, for example, various carbonated water discharge devices that generate carbonated water by mixing carbon dioxide with feed water (hot water) and discharge the carbonated water as disclosed in Patent Documents 1 to 3 have been developed. .

  In Patent Document 1, the base end of a hose is led to a mixing plug, a shower head is attached to the tip of the hose, and a thin tube is inserted into the hose. Carbon dioxide gas is supplied from a carbon dioxide supply device to the proximal end of the narrow tube, and a nozzle is attached to the distal end of the narrow tube via an operation valve. Water is supplied into the hose, carbon dioxide is supplied into the narrow tube, and the operation valve is opened. Thereby, carbon dioxide gas spouts out from the nozzle into the water supply in the hose, becomes carbonated water in which the water supply and carbon dioxide gas are mixed, and is discharged from the water outlet of the shower head.

  In patent document 2, the mixer is attached between the shower head and the hose. The mixer includes a straight tubular main pipe portion that feeds water in one direction and a branch pipe portion having one end connected to a side portion of the main pipe portion. Carbon dioxide gas is supplied from the cylinder to the other end of the branch pipe portion via an on-off valve, a curl hose, or the like. Water is supplied into the hose, carbon dioxide is supplied into the curl hose, and the on-off valve is opened. As a result, carbon dioxide gas is mixed into the feed water in the main pipe portion from the branch pipe portion of the mixer to become carbonated water in which the feed water and the carbon dioxide gas are mixed, and is discharged from the water outlet of the shower head.

  In Patent Document 3, the base end of the hot water supply path is connected to a mixing plug, and a shower head is attached to the front end of the hot water supply path. Moreover, the 1st and 2nd carbon dioxide gas dissolver is provided in the middle part of the hot-water supply path. The first carbon dioxide gas dissolver comprises a hollow container, and includes a carbon dioxide gas inlet, a water inlet, and a carbonated spring outlet. Carbon dioxide gas is supplied to the carbon dioxide gas inlet from a carbon dioxide gas cylinder. The second carbon dioxide gas dissolver comprises a first carbon dioxide gas dissolving portion comprising a hollow cylinder having a stirring barrier on the inside, a second carbon dioxide comprising an outer flow path and an inner flow path in which a tube material is wound in a coil shape. A gas dissolving part.

  Hot water is supplied to the water inlet of the first carbon dioxide dissolver, carbon dioxide is supplied to the carbon dioxide inlet, and hot water in which the carbon dioxide is dissolved is discharged from the carbonated spring outlet. Then, the hot and cold water is further passed through the first and second carbon dioxide gas dissolving portions of the second carbon dioxide gas dissolver, and further carbon dioxide gas is dissolved in the hot water and then discharged from the water outlet of the shower head through the hot water supply path. .

  By the way, carbon dioxide gas has the property that it is most easily dissolved in cold water at about 5 ° C. and becomes difficult to dissolve as the water temperature rises. For this reason, as in Patent Document 1 and Patent Document 2, simply mixing carbon dioxide gas into the water supply makes it difficult for the carbon dioxide gas to dissolve in the water supply. In particular, when the water supply is hot water, the hot water and carbon dioxide gas are separated, and hot water is released from the shower head in a pulsating state, and the shower head and the hose may shake.

  In addition, carbon dioxide gas has the property of being easily volatilized even when dissolved in hot water. For this reason, as in Patent Document 3, if the water channel (hose or the like) from the carbon dioxide dissolver to the shower head is long, the carbon dioxide dissolved in the hot water volatilizes to the shower head, and the carbon from the shower head is carbonized. Hot water containing almost no gas is released.

  Further, when the carbonate concentration of the hot water discharged from the shower head is low and the hot water has an acidity of ph6 or more, the above-mentioned effects and effects of carbonic acid cannot be expected.

JP-A-8-173344 JP 2010-264364 A JP 2008-212495 A

  The subject of this invention is providing the carbonated water discharge | release unit and carbonated water discharge | release apparatus which can discharge | release carbonated water with high carbonate melt | dissolution density | concentration.

A carbonated water discharge unit according to the present invention includes a water supply pipe supplied from the base end, a gas pipe inserted into the water supply pipe and supplied with carbon dioxide gas from the base end, and a water outlet provided at the tip of the water supply pipe. A nozzle provided at the tip of the gas pipe in the water supply pipe and located in the vicinity of the water outlet, and carbon dioxide gas supplied into the gas pipe is ejected from the nozzle into the water supply in the water supply pipe. A carbonated water discharge unit that generates carbonated water by mixing gas and discharges the carbonated water from a water discharge port. The nozzle has a tapered shape on the front side and the rear side with respect to the water flow direction in the water supply pipe. A large diameter portion larger than the outer diameter of the gas pipe is provided in the portion, and the outer peripheral surface of the large diameter portion is parallel to the inner peripheral surface of the water supply pipe, and the inner peripheral surface is partially narrowed. Consists of aspirator nozzles facing each other, outer peripheral surface of large diameter part , A plurality of ejection ports for ejecting laterally the carbon dioxide with respect to the water flow direction of the water supply pipe is provided facing different directions. Moreover, the stirring means which stirs the water supply and carbon dioxide gas in a water supply pipe is provided between a nozzle and a water discharge port. The stirring means is a first stirring means that swirls and stirs the water supply and the carbon dioxide gas, and the water supply gas and the carbon dioxide gas stirred by the first stirring means are swirled and stirred while the carbon dioxide gas in the feed water is finely mixed. And a second agitation means for forming bubbles.

According to the above, carbon dioxide gas is supplied to the vicinity of the water discharge port by the gas pipe, and carbon dioxide gas is ejected from the plurality of nozzle outlets provided at the tip of the gas pipe into the feed water in the water supply pipe. Gas can be dissolved in feed water. Furthermore, since the carbon dioxide gas that still cannot be dissolved is agitated with the feed water by the two agitation means, the carbonate gas can be surely dissolved in the feed water to produce carbonated water having a high carbonate dissolution concentration. And the carbonated water which passed through the stirring means can be discharged from the nearby outlet before the dissolved carbon dioxide volatilizes. Therefore, it is possible to discharge carbonated water having a high carbonate dissolution concentration regardless of the temperature of the water supply.

Furthermore , since the flow path of the water supply in the water supply pipe is partially narrowed near the large diameter portion of the nozzle, the flow rate of the water supply is increased, the pressure is reduced, and the carbon dioxide gas is vigorously fed from each outlet into the water supply. Can be ejected. For this reason, the bubble of a carbon dioxide gas becomes small, and it can make it easy to dissolve a carbon dioxide gas in feed water. Moreover, if carbon dioxide gas is jetted forward with respect to the water flow direction in the water supply pipe, the carbon dioxide gas may reach the stirring means without being dissolved in the water supply. Moreover, if carbon dioxide gas is ejected rearward with respect to the water flow direction in the water supply pipe, the flow of the water supply may be hindered, leading to a decrease in the water discharge pressure from the water discharge port. However, since carbon dioxide gas is ejected from each nozzle outlet in multiple directions lateral to the water flow direction, the carbon dioxide gas is dissolved in the water supply before reaching the stirring means without interfering with the flow of the water supply. Moreover, the fall of the water discharge pressure from a water discharge port can be prevented.

In the present invention, in the carbonated water discharge unit, the first stirring means may be composed of a plurality of coil springs that spirally stir the water supply and carbon dioxide gas .

  Thus, with a simple and inexpensive configuration of a plurality of coil springs, the water supply and the carbon dioxide gas can be stirred in a spiral manner without disturbing the flow of the water supply and the carbon dioxide gas, and the carbon dioxide gas can be efficiently dissolved in the water supply. .

In the present invention, in the carbonated water discharge unit, the second stirring means may be constituted by a fine bubble generator having a swirl flow generating member therein .

As a result, while the water supply and the carbon dioxide gas are swirled and stirred , the carbon dioxide gas in the water supply can be finely divided by the fine bubble generator to form fine bubbles, which can be reliably dissolved in the water supply.

  Next, a carbonated water discharge device according to the present invention includes the carbonated water discharge unit described above and a carbon dioxide supply device that supplies carbon dioxide into a gas pipe at a predetermined pressure.

  In the present invention, in the carbonated water discharge device, it is preferable to provide a flow meter for adjusting the flow rate of carbon dioxide supplied from the carbon dioxide supply device into the gas pipe.

  Thereby, according to the feed water pressure or the feed water amount, the supply flow rate of carbon dioxide can be optimally adjusted by the flow meter, and the carbon dioxide can be dissolved in the feed water.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the carbonated water discharge | release unit and carbonated water discharge | release apparatus which can discharge | release carbonated water with a high carbonate melt | dissolution density | concentration.

It is a lineblock diagram of a carbonated water discharge device by one embodiment of the present invention. It is a principal part structure figure of the carbonated water shower unit with which the carbonated water discharge | release apparatus is equipped. FIG. 2 is a structural diagram of an aspirator nozzle provided in the carbonated water discharge device. It is sectional drawing of the fine bubble generator with which the carbonated water discharge | release apparatus is equipped.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals.

  First, the structure of the carbonated water discharge device 100 according to an embodiment of the present invention will be described.

  FIG. 1 is a configuration diagram of a carbonated water discharge device 100. The carbonated water discharge device 100 includes a carbonated water shower unit 10 and a carbon dioxide gas supply device 20. A carbonated water shower unit (hereinafter simply referred to as “shower unit”) 10 is provided on a shower stand 30, for example. The carbon dioxide supply device 20 is installed near the shower stand 30, for example. The shower unit 10 is an example of the “carbonated water discharge unit” of the present invention.

  In the carbon dioxide supply device 20, a carbon dioxide cylinder 21 and a pressure regulator 22 with a heater are accommodated. The carbon dioxide cylinder 21 is, for example, a 5 kg cylinder filled with carbon dioxide (CO2). One end of a pressure hose 23 is connected to a gas outlet (not shown) of the carbon dioxide gas cylinder 21. The other end of the pressure hose 23 is connected to a gas receiving port (not shown) of the pressure regulator 22 with a heater.

  One end of a pressure hose 24 is connected to each of a plurality of gas outlets (not shown) of the pressure regulator 22 with a heater. The other end of each pressure hose 24 is connected to one end of a one-touch coupler 25. The other end of each one-touch coupler 25 protrudes from the side of the carbon dioxide supply device 20. A hose is detachably connected to the other end of each one-touch coupler 25.

  When the stopper (not shown) of the carbon dioxide cylinder 21 is opened, the carbon dioxide gas is supplied from the carbon dioxide cylinder 21 through the pressure hose 23 to the pressure regulator 22 with heater. The pressure regulator 22 with heater adjusts the supply pressure of the carbon dioxide gas and sends the carbon dioxide gas into the pressure hose 24 at a predetermined pressure. Moreover, the pressure regulator 22 with a heater warms carbon dioxide gas and prevents freezing.

  FIG. 2 is a structural diagram of a main part of the shower unit 10. The shower unit 10 includes a shower head 1, a shower hose 2, a gas hose 3, an aspirator nozzle 4, a stirring spring 5, and a fine bubble generator 6.

  The shower head 1 is a small shower head that fits in the palm of a hand, such as used in a beauty salon or a barber shop. The shower head 1 is provided at the tip 2 s of the shower hose 2 via a fine bubble generator 6. The watering port 1 a in the form of a shower head 1 faces sideways with respect to the tube axis direction of the shower hose 2.

  The shower hose 2 is comprised from several large diameter hose 2a, 2b, 2c, as shown in FIG. The base end 2k of the hose 2a is connected to a water supply source 40 such as a water heater. The distal end of the hose 2 a and the proximal end of the hose 2 b are connected via a water tap 31. The distal end of the hose 2b and the proximal end of the hose 2c are connected via a three-way connecting pipe 32.

  By supplying hot water from the water supply source 40 and opening the water tap 31, the water supply passes through the hoses 2 a, 2 b, and 2 c of the shower hose 2 and the inside of the fine bubble generator 6, and the water outlet of the shower head 1. Release from la. That is, the shower hose 2 is supplied with water from the base end 2k. The shower head 1 discharges water from the water outlet 1a. The shower hose 2 is an example of the “water supply pipe” in the present invention.

  As shown in FIGS. 1 and 2, the gas hose 3 includes a plurality of small-diameter hoses 3a, 3b, and 3c. As shown in FIG. 1, the base end 3 k of the hose 3 a is connected to the other end of the one-touch coupler 25. The distal end of the hose 3 a and the proximal end of the hose 3 b are connected via the flow meter 7. As shown in FIG. 2, the hose 3 c is inserted into the hose 2 c of the shower hose 2. An aspirator nozzle 4 is provided at the tip 3s of the hose 3c. The proximal end of the hose 3c and the distal end of the hose 3b are connected via a check valve 33 and a three-way connecting pipe 32 as shown in FIG.

  Carbon dioxide gas is supplied from the carbon dioxide supply device 20 at a predetermined pressure, and the handle 7a of the flow meter 7 is opened. Then, carbon dioxide gas is discharged from the carbon dioxide supply device 20 through the one-touch coupler 25, the hose 3a, the flow meter 7, the hose 3b, the check valve 33, the three-way connection pipe 32, and the hose 3c. It is ejected from 4c into the hose 2c of the shower hose 2. That is, the carbon dioxide supply device 20 supplies carbon dioxide into the gas hose 3 at a predetermined pressure. The gas hose 3 is supplied with carbon dioxide gas from the base end 3k. The gas hose 3 is an example of the “gas pipe” in the present invention.

  By operating the handle 7a while looking at the scale of the flow meter 7, the flow rate of the carbon dioxide gas supplied to the tip 3s side through the hoses 3b and 3c of the gas hose 3 can be adjusted.

  In FIG. 1, only one shower unit 10 is connected to the carbon dioxide supply device 20, but a plurality of shower units 10 may be connected to the carbon dioxide supply device 20 via each one-touch coupler 25. In that case, carbon dioxide can be supplied from the carbon dioxide supply device 20 to each shower unit 10. Further, for example, a sprayer or a water discharger other than the shower unit 10 can be connected to the carbon dioxide supply device 20 via the hose and the one-touch coupler 25 to receive the carbon dioxide.

  FIG. 3 is a structural diagram of the aspirator nozzle 4. Specifically, FIG. 3A is a front view of the aspirator nozzle 4, FIG. 3B is a sectional view taken along line XX in FIG. 3A, and FIG. (D) is a ZZ sectional view in (a).

  The tip 3s of the hose 3c of the gas hose 3 is connected to the connection portion 4a of the aspirator nozzle 4 by press fitting. Thereby, the aspirator nozzle 4 is located in the hose 2c of the shower hose 2 in the vicinity of the shower head 1, as shown in FIG. The longitudinal direction of the aspirator nozzle 4 is parallel to the tube axis direction of the hoses 2c and 3c, and the short direction of the aspirator nozzle 4 is parallel to the tube diameter direction of the hoses 2c and 3c.

The aspirator nozzle 4 has a tapered shape on the front side and the rear side with respect to the water flow direction (FIG. 2) in the hose 2c, and has a large diameter portion 4k larger than the outer diameter of the hose 3c in the middle portion . The outer peripheral surface of the large-diameter portion 4k is parallel to the inner peripheral surface of the hose 2c, and faces the inner peripheral surface of the hose 2c so as to partially narrow the water supply flow path. As shown in FIG. 3, six jet nozzles 4c are provided on the outer peripheral surface of the large-diameter portion 4k so as to face different directions at equal angular intervals in the circumferential direction. That is, each spout 4c faces sideways with respect to the water flow direction (FIG. 2) in the hose 2c.

  In the aspirator nozzle 4, a carbon dioxide channel 4 b is provided. The flow path 4b extends from the inlet 4d in the longitudinal direction of the aspirator nozzle 4 by one, branches into six near the center of the aspirator nozzle 4, and extends radially in the short direction of the aspirator nozzle 4 to each jet outlet. 4c has been reached. Further, the flow path 4b is narrower than the flow paths in the hoses 2c and 3c. Each jet port 4c has the same size as the communicating channel 4b.

  The aspirator nozzle 4 ejects the carbon dioxide gas supplied from the carbon dioxide supply device 20 into the gas hose 3 in multiple directions from the jet outlet 4c into the water supply in the shower hose 2 through the flow path 4b. The aspirator nozzle 4 is an example of the “nozzle” in the present invention.

  As shown in FIG. 2, a coil spring 5 for stirring and a fine bubble generator 6 are provided between the aspirator nozzle 4 and the shower head 1. The coil spring 5 and the fine bubble generator 6 are examples of the “stirring means” of the present invention.

  The coil spring 5 includes a plurality of coil springs that are irregularly intertwined. The coil spring 5 is press-fitted into the hose 2c of the shower hose 2, and does not move in the tube axis direction of the hose 2c. The coil spring 5 stirs the feed water and carbon dioxide gas passing through in a spiral manner.

  As the fine bubble generator 6, for example, trade name “μ-Jet” (registered trademark) manufactured by Tanaka Metal Works, Ltd. is used. The fine bubble generator 6 is provided in a water supply channel without a power source, and finely divides dissolved air in water to generate fine bubbles having a diameter of 10 μm to several tens of μm.

  FIG. 4 is a cross-sectional view of the fine bubble generator 6 (quoted from the 6th article of “Tube Newspaper” dated September 7, 2011). A tip 2 s of a hose 2 c of the shower hose 2 is connected to the receiving port 6 b of the fine bubble generator 6. The receiving port of the shower head 1 is connected to the delivery port 6c. A swirl flow generating member 6 a is provided inside the fine bubble generator 6.

  In the fine bubble generator 6, the feed water flows along the inclined surface of the swirl flow generating member 6a from the receiving port 6b, so that swirl flow is generated and an air axis is generated at the center while obtaining the maximum flow velocity. Then, by passing through the negative pressure space 6d, the swirling flow is locally decelerated, the air shaft is turned, and fine bubbles are generated (cited from the above article). For this reason, the fine bubble generator 6 turns the carbon dioxide into fine bubbles while swirling and stirring the feed water and the carbon dioxide.

  Next, the carbonated water production | generation effect | action by the carbonated water discharge device 100 is demonstrated.

  Hot water of a desired temperature and quantity is supplied from the water supply source 40 in FIG. 1 into the hose 2 c of the shower hose 2, and carbon dioxide is supplied from the carbon dioxide supply device 20 into the hose 3 c of the gas hose 3. At this time, the supply flow rate of carbon dioxide gas is adjusted by the flow meter 7.

Then, carbon dioxide gas flows through the flow path 4b (see FIG. 3 (b)) of the aspirator nozzle 4 from the tip 3s of the hose 3c in FIG. Erupted inside. At this time, since the flow path of the water supply in the hose 2c is partially narrowed in the vicinity of the large diameter portion 4k of the aspirator nozzle 4, the flow rate of the water supply is increased and the pressure is reduced, so that the carbon dioxide gas flows into each of the jet outlets 4c. Erupted vigorously into the water supply. Then, carbon dioxide gas and feed water are mixed in the hose 2c, and the carbon dioxide gas dissolves in the feed water.

  In addition, the flow of the carbon dioxide gas and the water supply is disturbed by the coil spring 5 at the tip of the aspirator nozzle 4, and the carbon dioxide gas and the water supply are agitated in a spiral shape, so that more carbon dioxide gas dissolves in the water supply. .

  Further, the fine bubble generator 6 at the tip of the agitation spring 5 finely divides the carbon dioxide in the feed water into fine bubbles, which are stirred with the feed water, so that more carbon dioxide dissolves in the feed water. go.

  As a result, carbonated water having a high carbon dioxide dissolution concentration in which carbon dioxide gas is reliably dissolved in the feed water is generated and immediately discharged from the water outlet 1a of the shower head 1 at the tip of the fine bubble generator 6.

  According to the above embodiment, carbon dioxide gas is supplied to the vicinity of the water outlet 1 a of the shower head 1 by the gas hose 3, and carbon dioxide gas is supplied from the plurality of outlets 4 c of the aspirator nozzle 4 provided at the tip of the gas hose 3 to the inside of the shower hose 2. It is ejected into the water supply. For this reason, carbon dioxide gas can be dissolved in feed water immediately before water discharge.

  Further, the carbon dioxide gas that still cannot be dissolved is supplied and stirred by the two stirring means of the coil spring 5 and the fine bubble generator 6. For this reason, carbon dioxide gas can be reliably dissolved in the feed water, and carbonated water having a high carbonate dissolution concentration can be generated.

  And the carbonated water which passed through the fine bubble generator 6 can be discharged from the water outlet 1a of the shower head 1 in the vicinity before the dissolved carbon dioxide volatilizes.

  Therefore, it is possible to discharge carbonated water having a high carbonate dissolution concentration regardless of the temperature of the water supply. Thereby, for example, it is possible to prevent the carbonated water having a high temperature (around 40 ° C.) from being discharged from the shower head 1 in a pulsating state and the shower head and the hose from shaking.

Moreover, in the said embodiment, the large diameter part 4k larger than the outer diameter of the gas hose 3 is provided in the outer peripheral surface of the aspirator nozzle 4. FIG. For this reason, the flow path of the water supply in the shower hose 2 is partially narrowed in the vicinity of the large diameter portion 4k, the flow rate of the water supply is increased, the pressure is reduced, and the carbon dioxide gas is vigorously fed into the water supply from the respective outlets 4c. Can be ejected. And the bubble of a carbon dioxide gas can be made small and it can make it easy to dissolve a carbon dioxide gas in feed water.

  Moreover, if carbon dioxide gas is jetted forward with respect to the water flow direction in the shower hose 2, the carbon dioxide gas may reach the coil spring 5 without being dissolved in the water supply. Moreover, if carbon dioxide gas is ejected rearward with respect to the direction of water flow in the shower hose 2, the flow of water supply may be hindered and the shower pressure from the water outlet 1 a of the shower head 1 may be reduced.

  However, in the above-described embodiment, since the plurality of jet outlets 4c are provided in the large diameter portion 4k of the aspirator nozzle 4 in different directions, carbon dioxide gas flows from each jet outlet 4c to the direction of water flow in the shower hose 2. Spouted in multiple directions on the side. For this reason, the carbon dioxide gas can be dissolved in the water supply before reaching the coil spring 5 without hindering the flow of the water supply, thereby preventing a decrease in shower pressure from the water outlet 1 a of the shower head 1.

Moreover, in the said embodiment, the coil spring 5 is provided in the front of the aspirator nozzle 4 as a 1st stirring means. For this reason, it is possible to dissolve the carbon dioxide gas in the feed water by stirring the feed water and the carbon dioxide gas in a spiral manner without obstructing the flow of the feed water and the carbon dioxide gas with a simple and inexpensive configuration.

Moreover, in the said embodiment, the fine bubble generator 6 is further provided in front of the coil spring 5 as a 2nd stirring means. For this reason, the carbon dioxide gas in water supply can be finely divided | segmented with the fine bubble generator 6, it can be made into a fine bubble, and it can be made to melt | dissolve reliably in water supply, and it can be ensured.

  In the above embodiment, the flow meter 7 is provided in the middle of the gas hose 3. For this reason, the carbon dioxide gas supply flow rate can be optimally adjusted by the flow meter 7 according to the water supply pressure and the water supply amount, and the carbon dioxide gas can be dissolved in the water supply.

  The present invention can employ various embodiments other than those described above. For example, in the above-described embodiment, an example in which the six aspirating nozzles 4 are provided in the aspirator nozzle 4 has been described, but the present invention is not limited to this. In addition to this, for example, a plurality of jet nozzles 4 c of 5 or less or 7 or more may be provided in the nozzle 4. Moreover, the direction of each jet outlet 4c may be a direction perpendicular to the water flow direction of water supply or a direction inclined by a predetermined angle from the vertical direction.

Moreover, in the said embodiment, although the coil spring 5 and the fine bubble generator 6 were shown as an example as a stirring means, this invention is not limited only to this. In addition to this, for example, a spiral body such as a propeller, a nut, or a screw, a mesh body, or a spiral body may be used. Further, a fine bubble generator that generates fine bubbles by a known method such as a cavitation method, a pressure dissolution method, or a gas-liquid two-phase flow swirl method may be used. That is, as the stirring means, by generating a swirling flow may be placed use means capable stirring the water and carbon dioxide. However, if the resistance to the water flow is large, the shower pressure discharged from the shower head 1 is lowered, so that the stirring means preferably has a low resistance to the water flow.

  Moreover, in the said embodiment, although the example which discharges carbonated water from the small shower head 1 for business used in a beauty salon, a barber shop, etc. was shown, this invention is not limited only to this. In addition to this, for example, a general household shower head having a long gripping portion may be attached to the tip 2s of the shower hose 2 so that carbonated water is discharged from the water outlet of the shower head. In this case, you may make it incorporate the nozzle 4 and the stirring means 5 and 6 in the holding part or head of a shower head. Moreover, the water outlet from which carbonated water is discharged is not limited to the water outlet of the shower head, and may be a cylindrical water outlet such as a faucet or a hose.

  Furthermore, in the said embodiment, although the example which applied this invention to the carbonated water discharge | release apparatus 100 which discharge | releases carbonated water with the shower stand 30 was given, this invention is applied also to the carbonated water discharge | release apparatus which does not have the shower stand 30. It is possible to apply.

DESCRIPTION OF SYMBOLS 1 Shower head 1a Water outlet 2 Shower hose 2a, 2b, 2c Hose 2k Base end 2s End 3 Gas hose 3a, 3b, 3c Hose 3k Base end 3s End
4 aspirator nozzle 4c spout 4k large diameter portion 5 coil spring 6 fine bubble generator 7 flow meter 10 carbonated water shower unit 20 carbon dioxide supply device 100 carbonated water discharge device

Claims (5)

A water supply pipe supplied from a proximal end connected to a water supply source;
A gas pipe inserted into the water supply pipe and supplied with carbon dioxide gas from a base end connected to a carbon dioxide supply apparatus;
A water outlet provided at the tip of the water supply pipe;
A nozzle provided at the tip of the gas pipe in the water supply pipe and located in the vicinity of the water outlet ,
Carbon dioxide gas supplied into the gas pipe is jetted from the nozzle into the water supply in the water supply pipe, so that carbon dioxide is mixed with the water supply to generate carbonated water, and the carbonated water is discharged from the water outlet. In the carbonated water discharge unit,
The nozzle has a tapered shape on the front side and the rear side with respect to the direction of water flow in the water supply pipe, a large diameter part larger than the outer diameter of the gas pipe is provided in an intermediate part, and an outer peripheral surface of the large diameter part is An aspirator nozzle that is parallel to the inner peripheral surface of the water supply pipe and faces the inner peripheral surface so as to partially narrow the flow path of the water supply, and the carbon dioxide gas on the outer peripheral surface of the large diameter portion A plurality of outlets for jetting sideways with respect to the direction of water flow in the water supply pipe are provided in different directions,
Between the nozzle and the water outlet, there is provided a stirring means for stirring the water supply and the carbon dioxide gas in the water supply pipe,
The agitating means is a first agitating means for agitating the feed water and carbon dioxide gas, and a carbon dioxide gas in the feed water while agitating the agitated feed water and carbon dioxide gas by the first agitating means. A carbonated water discharge unit comprising: a second agitating means for making the gas bubbles into fine bubbles. The carbonated water discharge unit according to claim 1 ,
The carbonated water discharge unit, wherein the first stirring means comprises a plurality of coil springs that spirally stir the water supply and the carbon dioxide gas. The carbonated water discharge unit according to claim 1 or 2 ,
The carbonated water discharge unit, wherein the second stirring means comprises a fine bubble generator having a swirl flow generating member therein. A carbonated water discharge unit according to any one of claims 1 to 3 ,
A carbon dioxide supply device for supplying the carbon dioxide at a predetermined pressure into the gas pipe;
A carbonated water discharge device characterized by comprising: The carbonated water discharge device according to claim 4 ,
A carbonated water discharge device comprising a flow meter for adjusting a flow rate of the carbon dioxide gas supplied from the carbon dioxide supply device into the gas pipe.

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