JP2011130911A - Spout for foam and hot water - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To stabilize a discharge pattern in which bath foam and hot water flowing in a larger amount than the foam is selectively discharged from a single spout. <P>SOLUTION: The spout for foam and hot water includes a nozzle 31 provided with a spout opening 33 at the downstream end of a nozzle channel 32 by making the upstream side 32a of the nozzle channel 32 communicate with a foam supply path 3a supplying the foam and a hot water supply path 4a supplying hot water flowing at a higher rate than the foam. In the nozzle channel 32, an entire area E in which the width along the transverse direction crossing the vertical direction directed from the upstream side to the spout opening is larger than the thickness is divided into a slit area F and an enlarged area G in the transverse direction, the slit area F has a width larger than the thickness, the enlarged area G has a thickness larger than the slit area, and has a width equal to or larger than the thickness so as to discharge hot water selectively supplied, from the entire area E, and discharge the foam from the enlarged area G. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a discharge tool for discharging bathing foam or hot water having a larger flow rate than foam.

  Conventionally, as a foam-type bathing system capable of bathing with foam, there are a bathtub, a warm foam supply device that supplies warm foam (hereinafter referred to as “hot foam”) to the bathtub, and hot foam toward the inside of the bathtub. Some have a discharge port to be discharged, a warm bubble supply device and a warm bubble supply path (duct) that allows the discharge port to communicate with each other (Patent Document 1, Patent Document 2).

  In addition, as a hot water discharge device for discharging hot water into the bathtub, the hot water supply path for supplying hot water communicates with the upstream side and leads to a wide water discharge port for discharging hot water into the bathtub in a waterfall shape. There is known a warm water discharge device provided with a downstream water discharge channel (Patent Document 3).

JP 2003-116730 A JP 2002-78770 A JP 2001-231700 A

  By the way, in order to obtain a bathing system in which one of foam and hot water is selectively discharged into the bathtub, providing the foam discharge tool and the hot water discharge tool separately makes the surroundings of the bathtub complicated and very convenient to use. Get worse. In view of this, it is conceivable to provide one of the discharge tools for use. However, in consideration of the size and cost of the foam supply device, it is a general specification that the flow rate of the foam to be supplied is less than that of hot water. It is difficult to discharge foam with a low flow rate with a hot water spouting device having a wide water discharge port. The discharge pattern is not stable.

  Accordingly, the present invention aims to provide a foam / hot water dispenser capable of stabilizing a discharge pattern when discharging hot water having a flow rate larger than that of a foam for bathing or foam from one discharge tool having a wide water discharge port. And

  The means adopted by the present invention according to claim 1 to stabilize a discharge pattern when selectively discharging a bath foam and hot water having a flow rate higher than the foam from one discharge tool is a foam for supplying bath foam. The supply channel and the hot water supply channel for supplying hot water having a flow rate higher than that of the bubbles are connected to the upstream side of the nozzle channel, and a nozzle having a discharge port provided at the downstream end of the nozzle channel is provided. It is a foam / hot water discharge tool that discharges hot water from the discharge port, and the nozzle channel is formed with a width dimension that is greater than the thickness dimension along the horizontal direction that crosses the vertical direction from the upstream side toward the discharge port. The entire area is divided into a slit area and an enlarged area in the lateral direction, the slit area has a width dimension larger than its thickness dimension, and the enlarged area has its thickness dimension larger than the slit area thickness dimension and its width dimension. That And viewed dimension equal to or greater than, the ejecting hot water from the entire area is a bubble-hot water ejection device being characterized in that so as to discharge the bubbles from the enlarged region.

  The means adopted by the present invention according to claim 2 to discharge the foam from the center of the discharge channel is the foam / hot water discharge tool according to claim 1, wherein an enlarged region is formed between the slit regions on both sides. is there.

  In addition, in order to be able to discharge to a bather's both shoulder vicinity, the discharge tool for bubbles and hot water may be arrange | positioned to each of the both sides which pinch | interpose a pillow from a horizontal direction. Moreover, in order to be able to correspond to the specification which changes the flow volume of hot water and / or foam, the foam / hot water discharge tool includes a water supply main body portion formed with a bubble communication path and a recess communicated with the hot water supply path. The nozzle may be configured to be detachably inserted into the recess of the water discharger main body. Furthermore, the foam / hot water discharger may be configured so that the discharge direction can be freely moved in a range from downward to upward so that the discharge position can be arbitrarily adjusted.

  The foam / hot water discharge tool according to the first aspect of the present invention is capable of continuously discharging hot water with a large flow rate from the entire region consisting of the slit region and the enlarged region over the entire width direction, and discharging the foam with a low flow rate from the enlarged region. By discharging, the discharge pattern can be stabilized.

  The foam / hot water discharge tool according to the second aspect of the present invention can discharge the foam from an enlarged region closer to the center of the water discharge channel.

BRIEF DESCRIPTION OF THE DRAWINGS Embodiment of the bathing system provided with the foam / hot water discharge tool concerning this invention is shown, Comprising: FIG. (A) is the schematic which shows a bathtub in cross section, FIG. (B) is a top view which shows a bathtub It is. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of a foam / hot water dispenser according to the present invention, in which FIG. (A) is a right side cross-sectional view, and FIG. (B) is a partial cross-sectional view taken along line bb in FIG. The figure and the figure (C) are the front views seen from the arrow c of the figure (A). In the same embodiment, a state in which the nozzle is separated from the water discharger main body part of the foam / hot water discharger is shown, with FIG. (A) being a partially sectioned right side view, and FIG. ) Is a plan view taken along line bb of FIG. The separated nozzle in the same embodiment is shown, FIG. (A) is a front view, FIG. (B) is a plan view, FIG. (C) is a rear view, FIG. (D) is a right side view, FIG. E) is a cross-sectional plan view, and FIG. (F) is a cross-sectional right side view. It is sectional drawing which shows the foam supply apparatus with which the bathing system was equipped. It is the schematic which shows another aspect of the hot-water supply apparatus in the bathing system provided with the discharge tool for bubbles and hot water which concerns on this invention. FIG. 1 shows a different embodiment of a foam / hot water dispenser according to the present invention, in which FIG. (A) is a cross-sectional plan view, and FIG. (B) is a front view.

  A foam / hot water dispenser according to the present invention (hereinafter referred to as “the present invention dispenser”) will be described based on an embodiment shown in the drawings.

(First embodiment)
FIG. 1 to FIG. 6 show a first embodiment of the discharge device of the present invention, and a bathing system including the discharge device 1 of the present invention (in this example, two sets of the discharge devices 1, 1 of the present invention) As shown in FIG. 1, in addition to the discharge devices 1 and 1 of the present invention, a bathtub 2, a foam supply device 3 for supplying bubbles with a temperature suitable for bathing, a hot water supply device 4 for supplying hot water with an appropriate temperature, A switching device 5 that joins the foam supply device 3 and the hot water supply device 4 so as to be switchable is provided upstream of the invention discharge tool 1, 1. Only the bubbles or only the hot water can be discharged to the inside 2a, and the total flow rate Qw of the hot water supplied from the hot water supply path 4a of the hot water supply device 4 to the discharge devices 1 and 1 of the present invention is the bubble of the bubble supply device 3. It is set so as to be larger than the total flow rate Qb of bubbles supplied from the supply passage 3a to the discharge devices 1 and 1 of the present invention. For example, the total flow rate Qw of hot water supplied from the hot water supply channel 4a is 10 liters / minute, and the total flow rate Qb of bubbles supplied from the foam supply channel 3a is 5 liters / minute.

  As shown in FIG. 5, the foam supply device 3 includes a foam generation unit 10, an air supply unit 11, and a foam agent supply unit 12. The foam generating unit 10 includes a container body 14 for storing hot water 13 containing foaming agent, a nozzle 15 for bubbling the hot water 13, a heater 16 including an electric heater for heating the hot water 13 to a set temperature, a container The liquid level sensor 17 which detects the liquid quantity (water level) of the hot water 13 in the body 14 is provided. The foam supply unit 12 promotes the generation of bubbles in the hot water supplied from a third hot water supply path 4c (described later) of the hot water supply device 4 and makes it difficult to defoam and maintain the foam ( For example, sugar solution, oil or detergent solution is mixed at a set ratio to prepare hot water 13 containing foam, and hot water 13 is supplied into the container body 14 based on the detection signal of the liquid level sensor 17. Thus, the water surface WL of the hot water 13 is set to the set water level. The container body 14 has a foam discharge port 14a that discharges the generated bubbles Hb (the average outer diameter of the bubbles is 100 to 300 μm) at an upper portion thereof, and the foam supply path 3a is connected to the foam discharge port 14a. The bubbling nozzle 15 is provided with the air ejection holes 15a dispersed, and bubbles are generated in the hot water 13 containing the foaming agent when the compressed air supplied from the compressor of the air supply unit 11 is ejected from the air ejection holes 15a. Generate (bubbling). The foam supply device 3 includes a hot water on / off valve 18 provided at a joint with the third hot water supply path 4 c in the foam agent supply unit 12 and a compressed air on / off valve 19 provided between the nozzle 15 and the air supply unit 11. The bubble Hb is generated or stopped by an opening / closing operation.

  In this example, as shown in FIG. 1A, the hot water supply device 4 pumps up hot water Hw in the bathtub 2a from a suction port 21 provided in the bathtub 2 by a pump 23, and discharges the present invention 1 , 1 is supplied to the first hot water supply path 4a leading to the first hot water supply path 4b leading to the spout tool 22 provided in the bathtub 2, and to the third hot water supply path 4c leading to the foam supply device 3. . The hot water supply device 4 compares the flow rate of hot water supplied to the first hot water supply channel 4a directly connected to the discharge devices 1 and 1 of the present invention with the flow rate of hot water supplied to the third hot water supply channel 4c leading to the bubble supply device 3. There are many. As shown in FIG. 6, the hot water supply device 4 supplies hot water at a set temperature discharged from the water heater to the first hot water supply path 4a and the third hot water supply, in addition to the mode in which the hot water in the bathtub 2a is pumped up and supplied. It may be configured to supply to a selected one of the paths 4c.

  As shown in FIG. 1A, the switching device 5 includes a first on-off valve 24 provided on the hot water supply path 4a and a second on-off valve 25 provided on the foam supply path 3a. The first opening / closing valve 24 and the second opening / closing valve 25 are opened / closed with an electromagnetic operation tool or a manual operation tool so that the selected one of the bubble supply passages 3a and the upstream side of the discharge tool 1, 1 of the present invention communicate with each other. It is. By closing the second on-off valve 25, the hot water supplied from the hot water supply path 4a can be prevented from flowing back to the foam supply device 3.

  As shown in FIGS. 1 and 2, the two sets of the present invention discharge tools 1, 1 are switched to a foam supply path 3 a for supplying bubbles and a first hot water supply path 4 a for supplying hot water having a flow rate higher than bubbles. The bubble 32 or the hot water supplied from the discharge port 33 opened at the downstream end of the nozzle channel 32 (see FIG. 2) is communicated with the upstream side 32a of the nozzle channel 32 through the It is made to discharge to 2a. As shown in FIG. 2 (A), each set of the present invention discharge tool 1 is a recess having a flow path 34a-1 and a nozzle insertion area 34a-2 communicating with the bubble supply path 3a and the first hot water supply path 4a. The water discharger main body part 34 which formed 34a, and the nozzle 31 which inserts in the nozzle insertion area 34a-2 so that attachment or detachment is possible, The bubble or hot water supplied to the flow path 34a-1 of the recessed part 34a It is guided to the nozzle flow path 32 and discharged from the discharge port 33. Each set of the discharge device 1 of the present invention includes a leg portion 34b that also serves as a pipe of the water discharge device main body 34. It is fixedly arranged in a state in which the periphery of the insertion hole 2c is clamped by a nut 35 screwed to the leg 34b. The leg portion 34 b is formed with a flow path 34 b-1 that connects the foam supply path 3 a and the first hot water supply path 4 a and the flow path 34 a-1 of the recess 34 a via the switching device 5. The flow path 34a-1 of the recess 34a formed in the water discharger main body 34 temporarily reduces the flow rate of hot water or foam supplied from the flow path 34b-1 of the leg 34b to increase the static pressure, and the nozzle of the nozzle 31. The channel 32 is formed in a size that can be smoothly distributed and distributed in the left-right width direction. In the present embodiment, as shown in FIG. 1, the discharge tool 1 of the present invention is arranged on the left and right sides so as to sandwich the pillow 28 from the lateral direction (in this example, the left-right direction). Only a set may be provided (not shown).

  As shown in FIG. 2, the nozzle channel 32 of the nozzle 31 has a width dimension Ew along the horizontal direction (left-right direction) crossing the vertical direction from the upstream side 32a to the discharge port 33 (the maximum dimension). The overall area E formed larger than the thickness dimension Gt of the enlarged area G, which will be described later, is a slit area F in the lateral direction (in this example, the slit area F is divided into left and right areas F1, F2). And the enlarged region G, and the slit region F has a width dimension Fw (in this example, the width dimension Fw is the sum of the width dimensions F1w and F2w of the areas F1 and F2) from the thickness dimension Ft. The enlarged area G has a thickness dimension Gt larger than the thickness dimension Ft of the slit area F and a width dimension Gw equal to or greater than the thickness dimension Gt. Expansion With discharged from band G), is set the width and thickness of the slit area F and an enlarged region G so as to discharge the bubbles Hb only enlarged area G. The discharge port 33 is divided into a discharge port 33a in the slit region F and a discharge port 33b in the enlarged region G by dividing the entire region E into a slit region F and an enlarged region G. In the enlarged region G, guide pieces 36 are provided as necessary so as to stabilize the flow of passing bubbles toward the discharge port 33b of the enlarged region G.

  In the present example in which the present invention discharge tool 1 is disposed on each of the left and right sides of the pillow 28 shown in FIG. 1B, the flow rate of hot water discharged by each set of the present invention discharge tool 1 is 5.0 liters. When the bubble flow rate is 2.5 liters / minute, the dimensions of the nozzle flow path 32 in the nozzle 31 of each set of the discharge tool 1 of the present invention are set as follows as shown in FIG. The The left and right areas F1 and F2 of the slit area F vary depending on the supply pressure of hot and cold water and the ease of flow of the foam, but each of the width dimensions F1wi and F2wi on the inflow side is 16 to 20 mm (generally 18 mm), each of the width dimensions F1wo and F2wo on the outflow side (discharge port side) is 20 to 24 mm (generally 22 mm), and the thickness dimension Ft is 1.3 to 1.7 mm (generally Is 1.5 mm). The enlarged region G has a width dimension Gw of 17 to 21 mm (generally 19 mm) over the entire area, and a thickness dimension Gt of 3.3 to 3.7 mm (generally 3.5 mm) over the entire area. It is. The depth dimension D along the vertical direction from the upstream side 32a of the nozzle flow path 32 to the discharge port 33 is 40 to 50 mm (generally 45 mm). The left and right areas F1 (F2) of the slit area F are not widened, and the width dimension F1wi (F2wi) on the inflow side and the width dimension F1wo (F2wo) on the outflow side (discharge port side) can be the same. It is.

  As shown in FIGS. 2 and 3, the nozzle 31 can be attached to and detached from the water discharger main body 34 in the discharge tool 1 of the present invention so that the nozzle 31 can be removably inserted into the recess 34 a provided in the water discharger main body 34. At the same time, the insertion piece 40 (in this case) projecting from the outer surface of the nozzle 34 in the front and rear direction (in the insertion / removal direction of the nozzle 31) cut recesses 39 (four in this example) provided on the inner surface of the water discharger main body 34. In the example, four locations) are inserted in a forcible state so that the nozzle 34 is not detached by the water pressure applied to the nozzle 34. In addition, this invention discharge tool 1 employ | adopts the removal prevention structure which connects the screw screwed in from the outer side of the water discharging tool main-body part 34 to the nozzle 34 other than inserting it in a forced swallow state and not releasing the nozzle 34. Is also possible. The discharge tool 1 of the present invention is configured such that the seal ring 37 is fitted on the nozzle 31 and the seal ring 37 is brought into close contact with the inner peripheral surface of the recess 34 a of the water discharge tool main body 34, so that the water discharge tool main body 34 and the nozzle 31 The liquid is not leaked from the gap.

  In order to facilitate the detachment of the nozzle 34, the discharge tool 1 of the present invention has a tool insertion opening 34d in the water discharger main body 34 and a hooking recess 41 on the nozzle 31, as shown in FIG. The pulling tool 42 made of a screwdriver or the like is hooked on the hooking recess 41 through the tool insertion opening 34d, and the nozzle 34 is pulled out by the pulling tool 42 to the front side which is the detaching direction. It is.

  The discharge device 1 of the present invention has a structure in which the nozzle 31 is detachably inserted into the recess 34a of the water discharge device main body 34 in this example, but the structure in which the water discharge device main body 34 and the nozzle 31 are integrally formed (illustrated). (Omitted) can also be used.

Next, an operation mode when discharging only hot water Hw or only bubbles Hb from the discharge devices 1 and 1 of the present invention into the bathtub 2a will be described.
(Operation mode for discharging only hot water Hw)
As shown in FIGS. 1 and 2, the first on-off valve 24 of the first hot-water supply path 4a of the hot-water supply apparatus 4 is opened and the second on-off valve 25 of the foam supply path 3a of the foam supply apparatus 3 is closed. A part of the hot water Hw in the bathtub 2 a pumped up by the pump 23 is passed through the first hot water supply path 4 a and the flow paths 34 b-1 and 34 a-1 of the water discharger main body 34, and the slit area of the nozzle flow path 31. The hot water Hw is discharged J from the discharge port 33 to the inside 2a of the bathtub, guided to the entire region E composed of F (F1 and F2) and the enlarged region G. The remaining portion of the hot water Hw pumped up by the pump 23 being activated is ejected from the spout tool 22 into the bathtub 2a.

(Mode in which only bubbles Hb are discharged)
The first on-off valve 24 of the first hot water supply path 4a of the hot water supply apparatus 4 is closed and the second on-off valve 25 of the foam supply path 3a of the foam supply 3a is opened, and the inside of the bathtub 2a pumped up by the pump 23 being activated A part of the hot water Hw is supplied from the third hot water supply path 4c to the foam supply device 3, and the foam Hb generated in the foam supply device 3 is converted into the flow paths 34b-1 and 34a of the foam supply path 3a and the water discharger main body 34. -1 is sequentially guided to the enlarged region G of the nozzle flow path 31, and hot water Hw is discharged from the discharge port 33 of the enlarged region G into the bathtub 2a. A small amount of bubbles will pass through the enlarged region G where the pressure loss when passing is small compared to the slit region F (F1 and F2). The bubbles that pass through the enlarged region G draw the bubbles that are about to flow into the slit region F (F1 and F2) into the enlarged region G due to the dynamic pressure. In addition, the remaining part of the hot water Hw pumped up by the pump 23 in operation is ejected from the spout tool 22 into the bathtub 2a.

  The discharge device 1 of the present invention can continuously discharge hot water Hw having a large flow rate from the entire region E composed of the slit regions F (F1 and F2) and the enlarged region G over the entire width direction, and the bubbles Hb having a small flow rate can be ejected from the enlarged region G. By discharging only from the water, it is possible to stabilize the discharge pattern when the bath foam Hb and hot water Hw having a larger flow rate than the foam are selectively discharged from one discharge port 33.

(Second Embodiment)
FIG. 7 shows a second embodiment, and the discharge tool 51 according to the present embodiment includes an entire area E of the nozzle flow path 32 of the nozzle 31, one slit area F and an enlarged area. The point divided into G is greatly different from the discharge tool 1 of the present invention according to the first embodiment, and the other parts are substantially the same as those of the first embodiment. The same reference numerals as those in FIG. 6 denote corresponding parts.

DESCRIPTION OF SYMBOLS 1 ... Present invention discharge tool, 3 ... Foam supply apparatus, 3a ... Foam supply path, 4 ... Hot water supply apparatus, 4a ... 1st hot water supply path, 5 ... Switching tool, 31 ... Nozzle, 32 ... Nozzle flow path, 32a ... Upstream side, 33 ... discharge port, 34 ... water discharger main body part, 34a ... recess, 34a-1 ... flow path, 34a-2 ... nozzle insertion area, 34b ... leg part, 34b-1 ... flow path, 34c ... flange D: Depth dimension of nozzle flow path, E: Entire area, Ew: Width dimension, F: Slit area, Fw: Width dimension, Ft: Thickness dimension, F1: One (left) area, F1w: Width dimension, F2 ... the other (right) area, F2w ... width dimension, G ... enlarged area, Gw ... width dimension, Gt ... thickness dimension, Hb ... bubble, Hw ... hot water

Claims (2)

  Equipped with a foam supply path that supplies foam for bathing and a hot water supply path that supplies hot water with a flow rate higher than that of the foam. A foam / hot water discharge tool that discharges foam or hot water supplied from a discharge port, and the nozzle channel has a width dimension along the horizontal direction that crosses the vertical direction from the upstream side to the discharge port The entire area formed larger than the thickness dimension is divided into a slit area and an enlarged area in the lateral direction, the slit area has a width dimension larger than the thickness dimension, and the enlarged area has a thickness dimension larger than the thickness dimension of the slit area. A foam / hot water dispenser characterized in that it is made larger and its width dimension is equal to or greater than its thickness dimension so that hot water is discharged from the entire area and bubbles are discharged from the enlarged area.   The foam / hot water discharger according to claim 1, wherein an enlarged region is formed between the slit regions on both sides.

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