JP6546408B2 - Intake unit for hot water supply port adapter - Google Patents

Description

  BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to an intake unit used for a hot water supply outlet adapter for a bathtub capable of spouting microbubble water.

  In recent years, a bathing method in which micro bubbles (including nano bubbles), which are fine bubbles having a diameter of several tens of μm or less, are generated in bath water in a bath to bathe, effects such as hot bath effect, massage effect, diet effect, relaxation effect There have been many reports of significant improvements, and they are attracting attention.

  As an apparatus which generates a micro bubble in a bathtub, the follow-up apparatus with the micro bubble generation function currently indicated by patent documents 1-3 is known, for example.

  This memorial device has a hot water supply port adapter installed in the bathtub, an outdoor hot water supply machine installed outdoors, and a circulation path for circulating hot and cold water between the hot water supply port adapter and the outdoor hot water supply machine. After being sucked into the outdoor water heater and heated, the hot water is circulated so that the hot water is discharged from the hot water supply outlet adapter into the bath, thereby performing the remedies processing. Furthermore, a bubble generation nozzle is incorporated inside the hot water supply port adapter, and if necessary, micro bubble water, which is hot and cold water mixed with micro bubbles, is spouted from the hot water supply port adapter into the bathtub to It is made to generate.

  The hot water supply port adapter is generally attached to the side wall of the bath, and the hot water treatment supplied to the bath with hot water supplied from the outdoor water heater and the hot water in the bath are sucked and sent to the outdoor water heater. In addition to the follow-up process of reheating and returning high-temperature hot water to the inside of the bath, it is possible to carry out micro-bubble water ejection process of injecting micro-bubble water into the bath.

  That is, in such a hot water supply port adapter, when hot water from the hot water supply device passes through the inside of the bubble generation nozzle incorporated in the hot water supply port adapter, the inside of the nozzle becomes negative pressure, and air is sucked from the intake unit by the negative pressure. The water is mixed with the hot water as a micro valve and the micro bubble water is spouted.

Patent No. 4887055 gazette JP, 2014-163573, A JP, 2014-163574, A

  The intake unit and the hot water outlet adapter are connected via an intake tube. That is, the intake end of the intake tube is connected to the intake unit, and the exhaust end of the intake tube is connected to the hot water outlet adapter. Then, when air is sucked from the intake unit, the air is supplied to the hot water outlet adapter through the intake tube and introduced into the bubble generation nozzle.

  In the intake unit, at the intake end of the intake tube, an intake ring is attached to adjust the amount of intake so as to reduce the amount of intake (i.e., the amount of intake of air) to improve microbubble generation. The inventor considered what was shown in FIG. 11 as this intake ring.

  The intake ring 102 in the same figure is made of metal and includes a bottomed cylindrical portion 103 and a connecting pipe portion 106. Then, the intake ring 102 is held in a casing (not shown) of the intake unit with the opening of the cylindrical portion 103 directed upward. In the cylindrical portion 103, a columnar dust removal filter 109 for removing dust in the air taken in is filled and disposed. In the same figure, the dust removal filter 109 is an elastic sponge filter.

  The connection pipe portion 106 is integrally formed in a downwardly protruding state at the central portion of the bottom portion 104 of the cylindrical portion 103, and has a suction hole 107 extending in the vertical direction. Then, the connection pipe portion 106 is connected to the intake end portion 120 b of the intake tube 120 in an internally fitted state.

  The upper end portion of the intake hole 107 of the connection pipe portion 106 is locally formed in a small diameter to be a small diameter hole 107a in order to reduce the intake amount to an appropriate amount, and the intake port 107b is an upper opening of the small diameter hole 107a. Is formed at the center of the flat inner surface of the bottom portion 104 of the cylindrical portion 103.

  However, the above-described intake ring 102 has the following problems.

  Since the inner surface of the bottom portion 104 of the cylindrical portion 103 is flat and the air inlet 107b is formed in the inner surface, water such as water droplets entering the cylindrical portion 103 easily intrudes into the air inlet 107b. Furthermore, since the diameter of the intake port 107b is very small (for example, a diameter of 0.06 to 0.2 mm) and the flowability of water is worse than that of air, if water intrudes into the intake port 107b, this water can be used as the intake port 107b. However, there is a drawback that the air intake is easily blocked because it is relatively easily closed.

  The present invention has been made in view of the above-mentioned technical background, and the problem to be solved by the present invention is that, in an intake unit used for a hot water outlet adapter for a bathtub capable of spouting microbubble water, It is difficult to be blocked by water.

  The present invention provides the following means.

[1] An air intake end of an intake tube connected to an exhaust end connected to a hot water supply outlet adapter capable of spouting micro bubble water, and an air for micro bubble via the intake air tube to the hot water supply outlet adapter An intake unit for a hot water outlet adapter to supply
An intake ring attached to the intake end of the intake tube;
The intake ring is
A cylindrical portion disposed in the state of opening upward;
An intake pipe portion disposed in a state of extending in the vertical direction inside the cylindrical portion;
The intake pipe portion has an intake hole extending in the vertical direction,
A lower portion of the intake pipe portion is a connection pipe portion connected to the intake end portion of the intake tube,
An intake unit for a hot water outlet adapter, wherein an intake port of the intake hole is formed at an upper end of the intake pipe portion.

[2] The intake pipe portion is connected to the cylindrical portion via a connecting wall portion disposed between the intake pipe portion and the cylindrical portion,
The intake unit for the hot water supply port adapter according to the preceding claim 1, wherein the connection wall portion is provided with a drain hole for discharging the water entering the cylinder portion to the outside of the cylinder portion.

[3] The upper surface of the connection wall portion is formed in a convex pyramidal shape centering on the intake pipe portion,
The air intake unit for the hot water supply port adapter according to the above-mentioned 2, wherein the drainage hole is provided in at least a portion on the cylinder portion side of the connection wall portion.

[4] A flat surface orthogonal to the vertical direction is formed at the upper end of the intake pipe portion,
The air inlet is formed at the center of the flat surface,
The intake unit for the hot water outlet adapter according to any one of the preceding items 1 to 3, wherein the peripheral surface of the flat surface is inclined downward and is connected to the outer peripheral surface of the intake pipe portion.

  [5] The air intake unit for the hot water outlet adapter according to any one of the aforementioned Items 1 to 4, wherein the air intake ring is made of resin.

  The present invention has the following effects.

  In the preceding paragraph [1], the intake pipe portion is arranged to extend in the vertical direction inside the cylindrical portion of the intake ring, and the intake port of the intake hole is formed at the upper end of the intake pipe portion. Even when water such as water droplets enter the inside of the cylindrical portion, the water can prevent the intake port from being blocked.

  In the preceding paragraph [2], since the drain hole is provided in the connecting wall portion disposed between the intake pipe portion and the cylindrical portion, the water which has entered the cylindrical portion can be discharged to the outside of the cylindrical portion, As a result, the blockage of the intake port by water can be reliably prevented.

  In the previous paragraph [3], since the upper surface of the connecting wall is formed in a convex pyramidal shape centering on the intake pipe, water entering the cylinder moves toward the cylinder on the upper surface of the connecting wall. Flow. In addition, since the drainage hole is provided in at least a portion of the connection wall portion on the cylinder portion side, the water flowing toward the cylinder portion can be reliably drained from the drainage hole.

  In the preceding paragraph [4], since the intake port is formed at the center of the flat surface at the upper end of the intake pipe section, when drilling the intake port from the upper end of the intake pipe section with a drill, the upper end of the intake pipe section It can control that the position of the tip of the drill which applied is shifted accidentally. Thereby, breakage of the drill can be suppressed, and the air inlet can be easily drilled.

  Furthermore, since the peripheral surface of the flat surface inclines downward and is connected to the outer peripheral surface of the intake pipe portion, even if water such as water droplets adheres to the flat surface, this water travels along the peripheral surface and the intake pipe It becomes easy to flow down to the outer peripheral surface of the part. As a result, the water is less likely to be accumulated on the flat surface, and the blockage of the intake port by the water can be further reliably prevented.

  In the preceding paragraph [5], since the intake ring is made of resin, the intake ring does not rust with water. Therefore, it is possible to prevent not only the blockage of the inlet by water but also the blockage of the inlet due to rust.

FIG. 1 is a perspective view showing the vicinity of a bathtub in a bathroom, to which an intake unit and a hot water outlet adapter according to an embodiment of the present invention are attached. FIG. 2 is a perspective view showing the intake unit and the hot water supply port adapter separately. FIG. 3 is a bottom view of the same intake unit. FIG. 4 is a cross-sectional view showing the same intake unit connected to an intake tube. FIG. 5 is a cross-sectional view taken along line X1-X1 in FIG. FIG. 6 is a plan view of an intake ring of the same intake unit. FIG. 7 is a front view of the same intake ring. FIG. 8 is a bottom view of the same intake ring. FIG. 9 is a cross-sectional view taken along line X2-X2 in FIG. FIG. 10 is an enlarged view of a portion Z in FIG. FIG. 11 is a cross-sectional view of an intake ring according to the embodiment of the present invention.

  Next, an embodiment of the present invention will be described below with reference to the drawings.

  As shown in FIGS. 1 and 2, an intake unit 1 according to an embodiment of the present invention is used for a hot water outlet adapter 30 for a bathtub attached to a side wall of a bathtub T disposed in a bathroom, and is a microbubble It is provided in the follow-up device with a generation function.

  That is, the hot water outlet adapter 30 has a generation function and an ejection function of micro bubble water M which is hot water mixed with micro bubbles (including nano bubbles), and is supplied from an outdoor water heater (not shown) Hot water treatment to supply hot water to the inside of the tub T, and other treatment with suction to draw in the hot water 40 in the bath T and send it to a hot water heater outside, where it is reheated and hot water is returned to the inside of the tub T. Furthermore, the microbubble water M can be jetted into the hot water 40 in the bathtub T to generate microbubbles in the hot water 40 in the bathtub T so that the microbubble water ejection process can be performed.

  In FIG. 1, reference numeral 36 denotes an operation panel for instructing the hot water supply port adapter 30 to perform predetermined processing such as hot water spreading processing and repatriation processing, and is attached to the wall surface 45 in the bathroom.

  The micro bubble water spouting mechanism of the hot water supply port adapter 30 sucks in air using the Venturi effect generated by the flow of hot and cold water supplied into the bathtub T, mixes it in the hot and cold water, and generates and spouts micro bubble water M It is a thing.

  More specifically, the hot water supply port adapter 30 is provided with a bubble generation nozzle (not shown) therein, and the hot and cold water is supplied to the inside of the bathtub T from the outdoor water heater to the bubble generation nozzle By passing through the inside, the inside of the nozzle becomes negative pressure, and air is sucked from the intake unit 1 by the negative pressure and mixed in the hot and cold water as a micro valve so that the micro bubble water M is ejected.

  As shown in FIG. 2, the hot water outlet adapter 30 has a microbubble water jet 31 provided on a surface (this surface is referred to as “front”) facing inward with respect to the bathtub T, and the jet 31 The micro bubble water M is spouted from the inside toward the inside of the bathtub T.

  In addition to the micro bubble water spout 31, a large number of suction ports 32 for sucking in the hot and cold water 40 in the bathtub T and the spout mode of the micro bubble water M in addition to the micro bubble water spout 31 on the front of the hot water supply port adapter 30 A switching knob 34 or the like for switching to and is provided. On the lower surface of the hot water supply port adapter 30, a discharge port 33 for supplying hot and cold water 40 to the inside of the bathtub T in hot water heating and the like is provided.

  As shown in FIG. 1, the intake unit 1 is connected to the hot water outlet adapter 30 via the intake tube 20, and when the microbubble water M is ejected, air is sucked from the intake unit 1 and the intake tube 20 (described in detail) Then, it is supplied to the hot water supply port adapter 30 as air for micro bubbles via the later-described air flow hole 20 c) in the intake tube 20.

  The intake tube 20 is made of soft synthetic resin or synthetic rubber having flexibility and elasticity, and is circular in cross section. Furthermore, the intake tube 20 has an air flow hole 20c extending along the intake tube 20 inside (see FIG. 4).

  As shown in FIG. 2, the exhaust end 20 a consisting of one end (lower end) of the intake tube 20 is detachably connected to the microbubble air supply port 30 a provided at the upper end of the hot water outlet adapter 30. The air discharged from the exhaust end portion 20a is supplied from the air supply port 30a into the bubble generation nozzle in the hot water supply port adapter 30, and mixed in the hot and cold water as micro bubbles. On the other hand, an intake end 20 b composed of the other end (upper end) of the intake tube 20 is connected to the intake unit 1.

  As shown in FIGS. 3 to 5, the intake unit 1 is disposed in the bathroom in the present embodiment, and includes an intake ring 2, a housing 10 that accommodates the intake ring 2, and the like.

  The housing 10 is mainly for securing dustproofness and dripproofness with respect to the intake ring 2, and includes a substrate 11 and a cover member 12 as shown in FIGS. The substrate 11 and the cover member 12 are each made of hard synthetic resin. The cover member 12 is detachably attached to the outer peripheral edge portion of the substrate 11 so as to cover the front surface side of the substrate 11, and has a box shape whose rear surface side is open.

  A suction cup 14 is attached to the back surface side of the substrate 11, and the suction unit 1 (the housing 10) is detachably attached to a wall surface 45 in the bathroom by the suction cup 14 (see FIG. 1).

  In the present embodiment, the suction cup 14 is configured as an attachment means for detachably attaching the intake unit 1 to the wall surface 45 in the bathroom. In the present invention, in the case of the wall surface 45 in the bathroom, in addition to the inner surface of the peripheral wall constituting the bathroom, the inner surface of the window installed in the bathroom, the back plate surface of the storage shelf, the mirror surface, the inner surface of the door and further the bathtub (Bathtub) The inner and outer walls of T itself are also included.

  The intake ring 2 is made of a hard synthetic resin for improving the generation of micro bubbles in the hot water outlet adapter 30 by adjusting the intake amount so as to reduce the intake amount, and as described later, the housing 10 It is housed and held in a fixed position inside.

  As shown in FIGS. 3 and 4, the lower wall of the cover member 12 of the housing 10 is formed with a notch 12 a for avoiding interference with the intake tube 20. Then, the intake end 20b of the intake tube 20 is passed through the cutout 12a (see FIG. 4), and the air outside the housing 10 can be taken in from the cutout 12a. There is.

  As shown in FIGS. 6 to 9, the intake ring 2 includes a cylindrical portion 3 as a cylindrical portion, an intake pipe portion 5 and the like. Then, as shown in FIGS. 4 and 5, in the casing 10, the axis J (see FIG. 7) of the cylindrical portion 3 becomes vertical and the cylindrical portion 3 opens upward, as shown in FIGS. As it is held.

  That is, on the substrate 11 of the housing 10, a pair of left and right sandwiching pieces 11a and 11a having elasticity projecting to the front surface side, a pair of left and right lower receiving strips 11b and 11b, and a pair of upper pressing pieces on the left and right 11 c and 11 c are integrally provided as a holding portion for holding the intake ring 2. Then, the outer peripheral surface of the cylindrical portion 3 of the intake ring 2 is held by the both holding pieces 11a and 11a from both left and right sides, and the lower edge of the cylindrical portion 3 is both lower receiving pieces 11b and 11b from the lower side. And the upper edge portion of the cylindrical portion 3 is held from the upper side with the upper holding pieces 11c, 11c not closing the opening of the cylindrical portion 3; The intake ring 2 is detachably held so that the cylindrical portion 3 is disposed in the state of being opened upward.

  As shown in FIG. 9, the intake pipe portion 5 of the intake ring 2 is disposed at the inner central portion of the cylindrical portion 3 so as to extend vertically along the axis J (see FIG. 7) of the cylindrical portion 3. A vertically middle portion of the intake pipe portion 5 is integrally connected to the lower end portion of the cylindrical portion 3 via a connecting wall portion 4 disposed between the intake pipe portion 5 and the cylindrical portion 3.

  The intake pipe portion 5 has therein an intake hole 7 extending in the vertical direction along the axis J of the cylindrical portion 3.

  As shown in FIG. 4, the lower portion than the connection position of the intake pipe portion 5 with the connection wall portion 4 is a connection pipe portion 6 which is detachably connected to the intake end portion 20b of the intake tube 20 in an internally fitted state. ing. In the state where the connection pipe portion 6 is connected to the intake end portion 2 b of the intake tube 20, the intake hole 7 of the connection pipe portion 6 and the air flow hole 20 c of the intake tube 20 communicate with each other. An annular retaining convex portion 6 a is formed on the outer peripheral surface of the connection pipe portion 6. An upper portion of the intake pipe portion 5 at a connection position with the connection wall portion 4 is formed to project upward with respect to the connection wall portion 4 (specifically, the upper surface 4 a of the connection wall portion 4).

  As shown in FIG. 9, the upper end of the intake pipe portion 5 is located slightly lower than the upper end position of the cylindrical portion 3. Furthermore, as shown in FIG. 10, at the upper end, a flat surface 5c having a circular shape in plan view orthogonal to the vertical direction (that is, the axial direction of the cylindrical portion 3) is formed. Furthermore, a plurality of annular peripheral surfaces 5 d and 5 e surrounding the flat surface 5 c are downwardly inclined and are connected to the outer peripheral surface 5 f of the upper portion of the intake pipe portion 5. In the present embodiment, the peripheral surface is constituted by the peripheral surface 5d of the first step adjacent to the flat surface 5c and the peripheral surface 5e of the second step adjacent to the outer peripheral surface 5f, and the second surface The downward inclination angle of the peripheral surface 5e is larger than that of the peripheral surface 5d of the first stage. Further, the outer peripheral surface 5f of the upper portion of the intake pipe portion 5 is formed as a tapered surface which is significantly more greatly inclined than the downward inclination angle of the peripheral surface 5e of the second stage.

  In the intake pipe portion 5, the upper end portion of the intake hole 7 is locally formed to have a small diameter to reduce the intake amount to an appropriate amount and is a small diameter hole 7a. The plan view of the upper end opening of the small diameter hole 7a A circular air inlet 7 b is formed at the axial center of the cylindrical portion 3 at the center of the flat surface 5 c at the upper end of the air intake pipe 5.

  The intake port 7b (small diameter hole 7a) functions as an intake amount adjustment port (intake amount adjustment hole) for adjusting the intake amount to an appropriate amount, and its diameter is very small. For example, the diameter of the portion other than the small diameter hole 7a in the intake hole 7 is set to 0.8 to 1.5 mm, while the diameter of the air inlet (small diameter hole 7a) is set to 0.06 to 0.2 mm, for example .

  As shown in FIG. 9, the upper surface 4a of the connecting wall 4 is formed in a convex conical surface shape centered on the upper portion of the intake pipe 5, and in the present embodiment, it is formed in a convex conical surface. On the other hand, the lower surface 4b of the connection wall 4 is formed in a vertical plane with respect to the vertical direction (that is, the axial direction of the cylindrical portion 3).

  Further, since the intake unit 1 is disposed in the bathroom, water droplets are formed on the inner peripheral surface of the cylindrical portion 3 of the intake ring 2 and the outer peripheral surface 5f of the upper portion of the intake pipe 5 by condensation of steam in the bathroom. It is easy to adhere. As shown in FIGS. 6 and 8, in order to discharge the water contained in the cylindrical portion 3 composed of such water droplets etc. downward from the inside of the cylindrical portion 3 to the outside of the cylindrical portion 3, as shown in FIGS. One or more drainage holes 8 are provided. In the present embodiment, the number of the drainage holes 8 is four, and these drainage holes 8 are disposed at least in the portion on the side of the cylindrical portion 3 of the connection wall 4 so as to be circumferentially separated from the intake pipe 5. While being provided, the planar view shape of each drainage hole 8 is formed in fan shape. Further, a portion on the inner peripheral surface of each drainage hole 8 on the side of the cylindrical portion 3 is connected to the inner peripheral surface of the cylindrical portion 3 flush with (vertically) in the vertical direction.

  Furthermore, inside the cylindrical portion 3 of the air intake ring 2, a dust removal filter (see FIG. 11, see 109) for removing dust in the air taken in is not disposed. Therefore, the upper end of the intake pipe portion 5 is exposed in the circumferential direction and upward in the housing 10 without being covered with the dust removal filter.

  In the intake unit 1 of the present embodiment, when the hot water supply port adapter 30 is in the discharge permission mode of the microbubble water M, air is sucked from the intake port 7 b at the upper end of the intake pipe portion 5 of the intake unit 1. Then, air passes through the inside of the intake tube 20 and is supplied from the air supply port 30a of the hot water supply port adapter 30 into the bubble generation nozzle of the hot water supply port adapter 30, and mixed as microbubbles in the hot water flowing in the nozzle. As a result, micro-bubble water M is generated and spouted from the micro-bubble water spout 31 into the bathtub T.

  The intake unit 1 of the present embodiment has the following advantages.

  The intake pipe portion 5 is disposed to extend in the vertical direction inside the cylindrical portion 3 of the intake ring 2, and the intake port 7 b of the intake hole 7 is formed at the upper end of the intake pipe portion 5. Even when water such as water droplets enter the inside of the cylindrical portion 3, it is possible to prevent the intake port 7b from being blocked by this water. Therefore, a good inspiratory state can be maintained for a long time.

  Furthermore, since the drain hole 8 is provided in the connecting wall portion 4, the water contained in the cylindrical portion 3 can be discharged to the outside of the cylindrical portion 3, whereby the blockage of the air inlet 7b by the water can be ensured. It can be prevented.

  Furthermore, since the upper surface 4 a of the connecting wall 4 is formed in the shape of a convex conical surface centering on the intake pipe 5, the water entering the cylindrical portion 3 is the cylindrical portion 3 on the upper surface 4 a of the connecting wall 4. It flows toward the side. Further, since the drainage hole 8 is provided in at least a portion on the side of the cylindrical portion 3 of the connecting wall portion 4, the water flowing toward the cylindrical portion 3 can be reliably drained from the drainage hole 8.

  Furthermore, since the intake port 7b is formed at the center of the flat surface 5c at the upper end of the intake pipe 5, when the intake port 7b is drilled from the upper end of the intake pipe 5, the intake port 7b is It can control that the position of the tip of the drill put to the upper end shifts accidentally. Thereby, breakage of the drill can be suppressed, and the air inlet 7b can be easily drilled.

  Furthermore, since the peripheral surface (the peripheral surface 5d of the first stage and the peripheral surface 5e of the second stage) of the flat surface 5c is inclined downward and is connected to the outer peripheral surface 5f of the intake pipe 5, Even if water such as water droplets adheres to the surface 5c, the water easily flows along the peripheral surfaces 5d and 5e and falls to the outer peripheral surface 5f of the intake pipe portion 5. As a result, water is less likely to be accumulated on the flat surface 5c, and clogging of the intake port 7b with water can be further reliably prevented.

  Furthermore, since the intake ring 2 is made of resin, the intake ring 2 does not rust with water. Therefore, it is possible to prevent not only the closing of the intake port 7b by water but also the blocking of the intake port 7b due to rust.

  Furthermore, since the upper end of the intake pipe portion 5 is not covered with the dust removing filter, the following advantages are obtained.

  That is, if the dust removing filter 109 shown in FIG. 11 is disposed in the cylindrical portion 3, the upper end (and the inlet 7 b) of the intake pipe portion 5 is covered with the dust removing filter 109 from the upper side become. In this case, when water such as water droplets adheres to the dust removal filter 109, the water intrudes into the inside of the filter 109 and the intake port 7b is easily blocked by the water. On the other hand, in the present embodiment, since the upper end of the intake pipe portion 5 is not covered with the dust removal filter, the blockade of the intake port 7b by water such as water droplets adhering to and entering the dust removal filter is also prevented. it can.

  Furthermore, in the present embodiment, the intake unit 1 is disposed in the bathroom. Therefore, the warm air in the bathroom can be sucked as air for micro bubbles. Thereby, the warm micro bubble water M can be spouted into the hot water 40 in the bathtub T, and the temperature decrease of the hot water 40 in the bathtub T due to sucking the cold air outside as the air for the micro bubble can be suppressed. . Furthermore, dust and odors from the outside are not sucked from the intake unit 1, and contamination with dust and odors can be effectively suppressed, and a comfortable bathing environment can be obtained. Further, the intake tube 20 is disposed in the exposed state in the bathroom. Therefore, the intake tube 20 can be easily installed, maintenance and inspection are easy, and repair or replacement at failure is also easily performed. be able to.

  Further, the exhaust end 20 a of the intake tube 20 is detachably attached to the microbubble air supply port 30 a of the hot water supply port adapter 30. Therefore, the intake tube 20 can be removed from the hot water inlet adapter 30 at unnecessary times other than during bathing, etc., and the bathtub T can be cleaned without concern for the presence of the intake tube 20, for example. Furthermore, since the intake end 20b of the intake tube 20 is detachably attached to the connection pipe portion 6 of the intake ring 2 of the intake unit 1, the intake tube 20 is removed from the intake unit 1 when it is not necessary, such as during bathing. be able to. Therefore, from this point as well, the inside of the bathroom can be easily cleaned without regard to the presence of the intake tube 20.

  Furthermore, since the suction unit 1 is provided with the suction cup 14 as an attachment member detachably attached to the wall surface 45 in the bathroom, the suction unit 1 can be attached to a desired position in the bathroom, which is easy to use and versatile. It can be improved.

  Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.

  For example, although the shape of the cylindrical portion of the intake ring is cylindrical in the present embodiment, the present invention excludes, for example, that it has a rectangular cylindrical shape (e.g., square cylindrical, hexagonal cylindrical, octagonal cylindrical) It is not something to do.

  Furthermore, in the present embodiment, the upper surface of the connecting wall portion of the intake ring is a convex conical surface, but in the present invention, for example, a convex pyramidal surface (eg, convex quadrangular pyramidal surface, convex hexagonal pyramidal surface, convex) It does not exclude that it is octagonal pyramidal surface shape).

  INDUSTRIAL APPLICABILITY The present invention is applicable to an intake unit used for a hot water outlet adapter for a bathtub capable of spouting microbubble water.

1: Intake unit 2: Intake ring 3: Cylindrical part (cylindrical part)
4: connecting wall 5: intake pipe 5c: flat surface 5d, 5e: peripheral surface 5f: outer peripheral surface of intake pipe 6: connecting pipe 7: intake hole 7b: intake 8: drainage hole 10: housing 20 : Intake tube 20a: Exhaust end 20b: Intake end 30: Hot water supply port adapter M: Micro bubble water

Claims (5)

It is connected to an intake end of an intake tube whose exhaust end is connected to a hot water supply outlet adapter capable of spouting microbubble water, and supplies air for microbubble to the hot water supply outlet adapter via the intake tube , An intake unit for a hot water outlet adapter,
An intake ring attached to the intake end of the intake tube;
The intake ring is
A cylindrical portion disposed in the state of opening upward;
An intake pipe portion disposed in a state of extending in the vertical direction inside the cylindrical portion;
The intake pipe portion has an intake hole extending in the vertical direction,
A lower portion of the intake pipe portion is a connection pipe portion connected to the intake end portion of the intake tube,
An intake port of the intake hole is formed at an upper end of the intake pipe portion ,
The intake pipe portion is connected to the cylindrical portion via a connecting wall portion disposed between the intake pipe portion and the cylindrical portion,
The connection wall portion is provided with a drainage hole for discharging the water entering the cylinder portion to the outside of the cylinder portion,
The upper surface of the connection wall portion is formed in a convex conical surface shape centering on the intake pipe portion,
The air intake unit for a hot water outlet adapter , wherein the drainage hole is provided at least at a portion of the connection wall portion on the cylinder portion side . It is connected to an intake end of an intake tube whose exhaust end is connected to a hot water supply outlet adapter capable of spouting microbubble water, and supplies air for microbubble to the hot water supply outlet adapter via the intake tube , An intake unit for a hot water outlet adapter,
An intake ring attached to the intake end of the intake tube;
The intake ring is
A cylindrical portion disposed in the state of opening upward;
An intake pipe portion disposed in a state of extending in the vertical direction inside the cylindrical portion;
The intake pipe portion has an intake hole extending in the vertical direction,
A lower portion of the intake pipe portion is a connection pipe portion connected to the intake end portion of the intake tube,
An intake port of the intake hole is formed at an upper end of the intake pipe portion ,
Furthermore, a flat surface orthogonal to the vertical direction is formed at the upper end of the intake pipe portion ,
The air inlet is formed at the center of the flat surface,
An intake unit for a hot water outlet adapter , wherein a peripheral surface of the flat surface is inclined downward and is connected to an outer peripheral surface of the intake pipe portion . The intake pipe portion is connected to the cylindrical portion via a connecting wall portion disposed between the intake pipe portion and the cylindrical portion,
The air intake unit for the hot water outlet adapter according to claim 2 , wherein the connection wall portion is provided with a drain hole for discharging the water entering the inside of the cylinder portion to the outside of the cylinder portion. The upper surface of the connection wall portion is formed in a convex conical surface shape centering on the intake pipe portion,
The intake unit for the hot water supply port adapter according to claim 3 , wherein the drainage hole is provided in a portion at least on the cylinder portion side of the connection wall portion.   The air intake unit for the hot water outlet adapter according to any one of claims 1 to 4, wherein the air intake ring is made of resin.

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