WO2022004194A1 - Water discharge part structure for faucet, and faucet provided with same - Google Patents

Water discharge part structure for faucet, and faucet provided with same Download PDF

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Publication number
WO2022004194A1
WO2022004194A1 PCT/JP2021/019588 JP2021019588W WO2022004194A1 WO 2022004194 A1 WO2022004194 A1 WO 2022004194A1 JP 2021019588 W JP2021019588 W JP 2021019588W WO 2022004194 A1 WO2022004194 A1 WO 2022004194A1
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WO
WIPO (PCT)
Prior art keywords
flow path
water discharge
path forming
forming portion
shaped member
Prior art date
Application number
PCT/JP2021/019588
Other languages
French (fr)
Japanese (ja)
Inventor
功康 中島
Original Assignee
パナソニックIpマネジメント株式会社
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Filing date
Publication date
Application filed by パナソニックIpマネジメント株式会社 filed Critical パナソニックIpマネジメント株式会社
Publication of WO2022004194A1 publication Critical patent/WO2022004194A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/06Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in annular, tubular or hollow conical form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18Roses; Shower heads
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/04Water-basin installations specially adapted to wash-basins or baths
    • E03C1/042Arrangements on taps for wash-basins or baths for connecting to the wall
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/08Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/086Jet regulators or jet guides, easily mountable on the outlet of taps

Definitions

  • the present invention relates to a faucet spout structure and a faucet including the same.
  • the faucet disclosed in Patent Document 1 is a shower device provided with a sprinkler plate, and the sprinkler plate penetrates a sprinkling surface having a predetermined width and length rectangular in a plan view and a sprinkling surface. It has a plurality of sprinkler holes formed. The sprinkling direction of each sprinkling hole in the plurality of sprinkling holes is directed outward in the width direction from the inside to the outside in the width direction of the sprinkling surface. With such a configuration, shower water is discharged so as to spread outward from the watering surface.
  • an object of the present invention is to provide a faucet spouting portion structure capable of realizing a desired spouting form and a faucet including the spouting portion structure in order to solve the above problems.
  • the water discharge part structure of the faucet of the present invention has a bottom portion forming a water supply port for supplying water and an air supply port for supplying air, respectively, and the water supply port and the air supply port inside.
  • a main body casing having a tubular portion extending in a tubular shape from the bottom portion while being surrounded by the main body casing, and an attachment member attached by connecting to the bottom portion of the main body casing, and the attachment member is connected to the air supply port.
  • the connecting portion that allows air supplied from the air supply port to pass inward and the bottom portion and the tubular portion of the main body casing, which are arranged so as to face the bottom portion and the tubular portion.
  • It has a flow path forming portion for forming a first water discharge flow path for discharging water from the water supply port in a film shape, and the flow path forming portion is inside the flow path forming portion and a bottom surface of the flow path forming portion.
  • a second spouting channel connecting the straight spouting port provided in the above and the first spouting channel, and an air outlet provided around the spouting port on the bottom surface and an internal space of the connecting portion. Form a connecting air flow path.
  • the faucet of the present invention is a faucet having the water discharge portion structure.
  • a desired spouting form can be realized.
  • Perspective view of the faucet according to the embodiment of the present invention Partially disassembled perspective view of the water discharge portion according to the embodiment Perspective view of the water discharge portion according to the embodiment Longitudinal sectional view of the water discharge portion according to the embodiment A vertical cross-sectional view of the water discharge portion cut at an angle different from that of FIG.
  • Vertical sectional view of the main body casing according to the embodiment A vertical sectional view of the main body casing cut at an angle different from that of FIG.
  • Partially disassembled perspective view of the attachment member according to the embodiment Vertical sectional view of the attachment member according to the embodiment Vertical cross-sectional view of the attachment member cut at an angle different from that of FIG.
  • FIG. 1 is a perspective view of the faucet 2 according to the present embodiment.
  • the faucet 2 is, for example, a faucet device provided in a kitchen, a washroom, a bath, or the like.
  • the faucet 2 includes a water discharge unit 4, a water hose 6, and an air hose 8.
  • the water discharge unit 4 is a member for discharging water supplied from the water hose 6.
  • the water discharge portion 4 of the present embodiment has a substantially cylindrical outer shape, and has an axial direction A and a circumferential direction R centered on the axial direction A.
  • the water discharge unit 4 produces a membranous water discharge flow (first water discharge flow) S1 and a straight water discharge flow (second water discharge flow) S2 as two types of water discharge forms.
  • the membranous water discharge flow S1 is a flow of water discharged while spreading in a film shape
  • the straight water discharge flow S2 is a flow of water discharged in a straight shape.
  • the water discharge unit 4 further generates an air flow F by using the air supplied from the air hose 8.
  • the air flow F is blown out in a ring shape between the membranous discharge flow S1 and the straight discharge flow S2, and promotes the separation of the membrane discharge flow S1 and the straight discharge flow S2.
  • the water discharge unit 4 has a main body casing 9.
  • a first opening 10 and a second opening 12 are provided on the surface of the main body casing 9.
  • the first opening 10 is an opening for connecting the water hose 6.
  • the second opening 12 is an opening for connecting the air hose 8.
  • the first opening 10 and the second opening 12 may have any shape as long as the water hose 6 and the air hose 8 can be connected to each other.
  • FIG. 1 illustrates a state in which the water hose 6 and the air hose 8 are separated from the first opening 10 and the second opening 12 for convenience.
  • the water hose 6 and the air hose 8 are not shown.
  • the water hose 6 is a member that supplies water to the water discharge unit 4, and is connected to a water source (not shown).
  • the air hose 8 is a member that supplies air to the water discharge portion 4, and is connected to an air source (not shown).
  • the water hose 6 and the air hose 8 may be built in the spout main body of the faucet 2 (not shown), or may be built / arranged in different places.
  • the faucet 2 having the above-mentioned configuration may be any type of faucet, for example, a single lever type faucet.
  • the faucet 2 may include an operation unit (not shown) for performing a water discharge / stop water switching operation by the water discharge unit 4.
  • FIG. 2 is a partially exploded perspective view of the water discharge unit 4
  • FIG. 3 is a perspective view of the water discharge unit 4.
  • the water discharge unit 4 includes an attachment member 14 in addition to the main body casing 9.
  • the attachment member 14 is a member attached to the main body casing 9 in order to form various flow paths in the water discharge portion 4.
  • the attachment member 14 is inserted and attached to the recess 16 (FIG. 2) of the main body casing 9.
  • the recess 16 is a portion where the bottom portion of the main body casing 9 is recessed in the axial direction A.
  • connection portion 18 is a portion for connecting the attachment member 14 to the main body casing 9, and is inserted into an air supply port 46 (FIG. 7 or the like) provided in the recess 16 of the main body casing 9.
  • a first spout port 20, a second spout port 22, an air outlet 24, and a fixing hole 70 are formed at the bottom of the spout portion 4.
  • the first spout 20 is an opening (membrane spout) for forming the membranous spout S1 shown in FIG.
  • the first spout 20 is an opening of a gap between the main body casing 9 and the attachment member 14, and has an annular shape connected in the circumferential direction R in a plan view.
  • the second spout 22 is an opening (straight spout) for forming the straight spout S2 shown in FIG.
  • the second spout 22 is one through hole formed at a substantially central position of the bottom of the attachment member 14.
  • the air outlet 24 is an opening for forming the air flow F shown in FIG.
  • the air outlet 24 is a plurality of through holes provided at positions between the first spout 20 and the second spout 22.
  • the air outlet 24 of the present embodiment is provided at three locations at intervals in the circumferential direction R, and has an arcuate shape in a plan view.
  • the fixing hole 70 is a hole for arranging a screw 72 for fixing the second flow path forming portion 52 (FIG. 10) described later to the first flow path forming portion 50.
  • the fixing hole 70 is provided at a position between the first spout 20 and the air outlet 24.
  • the fixing holes 70 of the present embodiment are provided at three locations at intervals in the circumferential direction R, and screws 72 are inserted into the fixing holes 70 in the mounting direction B. In the following drawings, the screw 72 is not shown except for FIG. 10.
  • FIGS. 4 and 5 are vertical cross-sectional views of the water discharge portion 4 cut at different angles.
  • the flow of water is represented by a solid line
  • the flow of air is represented by a dotted line.
  • the water flowing in from the first opening 10 of the main body casing 9 passes through the internal space 30 of the main body casing 9, branches in two directions, and flows into the first water discharge flow path 32.
  • the first water discharge flow path 32 is a space provided between the main body casing 9 and the attachment member 14.
  • the water flowing into the first water discharge flow path 32 is discharged as the first water discharge flow S1 (FIG. 1) from the annular first discharge port 20 which is a gap between the end of the main body casing 9 and the end of the attachment member 14.
  • the attachment member 14 forms a second water discharge flow path 34 inside the attachment member 14.
  • the second water discharge flow path 34 is a flow path extending from a position facing the first water discharge flow path 32 to the second water discharge port 22 for straight water discharge. A part of the water flowing through the first water discharge flow path 32 flows into the second water discharge flow path 34, and is discharged from the second water discharge port 22 as a straight water discharge flow S2 (FIG. 1).
  • the air flowing in from the second opening 12 of the main body casing 9 passes through the internal space 36 of the main body casing 9, passes through the internal space 38 of the connection portion 18 of the attachment member 14, and is common. It flows into the air flow path 40.
  • the common air flow path 40 is a flow path formed by the first flow path forming portion 50, which will be described later.
  • the air that has flowed into the common air flow path 40 branches in three directions at the second flow path forming portion 52, which will be described later, and is blown out as an air flow F (FIG. 1) from the three air outlets 24.
  • FIG. 6 is a perspective view of the main body casing 9 as viewed from the top surface side
  • FIG. 7 is a perspective view of the main body casing 9 as viewed from the bottom surface side
  • 8 and 9 are vertical cross-sectional views of the main body casing 9 cut at different angles.
  • the internal space 30 communicating with the first opening 10 branches into two places on the downstream side and extends to the water supply port 42 as shown in FIG. 7.
  • the water supply port 42 is two openings provided in the bottom portion 44 of the main body casing 9, and supplies water to the first water discharge flow path 32 (FIG. 4) described above.
  • the bottom portion 44 of the main body casing 9 further forms an air supply port 46.
  • the air supply port 46 is an opening that communicates with the second opening 12, and the connection portion 18 of the attachment member 14 described above is inserted.
  • the air supply port 46 is formed at a position where the internal space 36 communicating with the second opening 12 extends to just below the internal space 30.
  • the internal space 36 extends so as to pass between the points where the internal space 30 branches into two places.
  • the main body casing 9 has a tubular portion 48.
  • the tubular portion 48 is a portion extending cylindrically from the bottom portion 44 in the axial direction A. As shown in FIG. 7, the tubular portion 48 extends in a cylindrical shape so as to surround the water supply port 42 and the air supply port 46 inward.
  • the tubular portion 48 and the bottom portion 44 form a recess 16 of the main body casing 9, and together with the attachment member 14 described above, form a first water discharge flow path 32.
  • FIG. 10 is a partially exploded perspective view of the attachment member 14, and FIGS. 11 and 12 are vertical cross-sectional views when the attachment member 14 is cut at different angles.
  • FIG. 13 is a plan view of the first flow path forming portion 50 as viewed from the bottom surface side
  • FIG. 14 is a plan view of the second flow path forming portion 52 as viewed from the top surface side.
  • the attachment member 14 has a first flow path forming portion 50 and a second flow path forming portion 52 in addition to the connecting portion 18.
  • the first flow path forming portion 50 and the second flow path forming portion 52 are portions for forming flow paths such as the first water discharge flow path 32, the second water discharge flow path 34, and the common air flow path 40.
  • the first flow path forming portion 50 and the second flow path forming portion 52 may be collectively referred to as a “flow path forming portion”.
  • the first flow path forming portion 50 is integrally formed with the connecting portion 18, and the second flow path forming portion 52 is formed as a separate body.
  • a recess is provided on the bottom surface side of the first flow path forming portion 50, and the second flow path forming portion 52 is fitted.
  • the screw 72 described above is arranged in the fixing hole 70 with the second flow path forming portion 52 fitted in the first flow path forming portion 50, the screw 72 penetrates the second flow path forming portion 52. It is inserted into the first flow path forming portion 50. As a result, the second flow path forming portion 52 is fixed to the first flow path forming portion 50. By fastening the screw 72, a force for pressing the second flow path forming portion 52 toward the first flow path forming portion 50 is generated.
  • the first flow path forming portion 50 faces the bottom portion 44 and the tubular portion 48 of the main body casing 9 with a gap in a state where the connecting portion 18 is inserted into the air supply port 46 of the main body casing 9 (FIG. 4, FIG. See FIG. 5). As a result, the first water discharge flow path 32 is formed.
  • a suction port 54 is formed on the upper surface of the first flow path forming portion 50.
  • the suction port 54 is an opening corresponding to the inlet of the second water discharge flow path 34.
  • the first flow path forming portion 50 forms a through flow path 56 as a part of the second water discharge flow path 34.
  • the through flow path 56 is a flow path extending from the suction port 54.
  • the second flow path forming portion 52 forms the through flow path 58 as a part of the second water discharge flow path 34.
  • the penetrating flow path 56 and the penetrating flow path 58 communicate with each other so as to face each other along the axial direction A.
  • the first flow path forming portion 50 forms a common air flow path 40 communicating with the internal space 38 of the connecting portion 18 at the center thereof.
  • the common air flow path 40 of the present embodiment has a diameter expanded in the lateral direction C with respect to the internal space 38 of the connecting portion 18.
  • the second flow path forming portion 52 is a member arranged so that the main surface faces the common air flow path 40 of the first flow path forming portion 50.
  • the second flow path forming portion 52 forms a plurality of individual air flow paths 60 as a flow path communicating with the common air flow path 40.
  • Each of the plurality of individual air flow paths 60 is a flow path that penetrates the second flow path forming portion 52 in the thickness direction and extends to the air discharge port 24.
  • the individual air flow paths 60 are provided separately at three locations corresponding to the three air discharge ports 24 (FIG. 10).
  • the individual air flow path 60 of the present embodiment is connected to a portion where the common air flow path 40 of the first flow path forming portion 50 has an enlarged diameter with respect to the internal space 38. .. As a result, the air that has flowed into the common air flow path 40 from the internal space 38 spreads outward, and easily flows into the individual air flow path 60.
  • the through flow path 58 constituting the second water discharge flow path 34 extends in the lateral direction C inside the second flow path forming portion 52 and is connected to the water discharge port 22.
  • the through flow path 58 extends in the lateral direction C so as to pass through the gap between the two individual air flow paths 60.
  • the above-mentioned second flow path forming portion 52 is composed of three plate-shaped members. Specifically, it will be described with reference to FIGS. 15 and 16.
  • FIG. 15 is an exploded perspective view of the second flow path forming portion 52 as viewed from the upper surface side
  • FIG. 16 is an exploded perspective view of the second flow path forming portion 52 as viewed from the bottom surface side.
  • the second flow path forming portion 52 includes a first plate-shaped member 52A, a second plate-shaped member 52B, and a third plate-shaped member 52C.
  • the first plate-shaped member 52A, the second plate-shaped member 52B, and the third plate-shaped member 52C are plate-shaped members having a thickness in the axial direction A, respectively.
  • the thickness direction of the present embodiment coincides with the axial direction A of the water discharge portion 4.
  • the first plate-shaped member 52A, the second plate-shaped member 52B, and the third plate-shaped member 52C are arranged so that their main surfaces overlap each other.
  • the third plate-shaped member 52C is arranged between the first plate-shaped member 52A and the second plate-shaped member 52B, and the second plate-shaped member 52B is a second flow path forming portion. It constitutes the bottom surface of 52.
  • the first plate-shaped member 52A and the second plate-shaped member 52B have outer shapes having substantially the same diameter in a plan view.
  • the third plate-shaped member 52C has an outer shape in a plan view smaller than that of the first plate-shaped member 52A and the second plate-shaped member 52B, and is arranged in the recess 62 formed on the main surface of the second plate-shaped member 52B.
  • the first plate-shaped member 52A forms the through flow path 58A
  • the second plate-shaped member 52B forms the through flow path 58B
  • the third plate-shaped member 52C forms a through flow path 58C.
  • the through flow path 58B of the second plate-shaped member 52B extends to the spout 22 for straight spouting (FIGS. 16 and 15).
  • the through flow path 58A of the first plate-shaped member 52A penetrates the first plate-shaped member 52A in the thickness direction on the outside of the plurality of individual air flow paths 60.
  • the penetration flow path 58B of the second plate-shaped member 52B penetrates the second plate-shaped member 52B in the thickness direction inside the plurality of individual air flow paths 60.
  • the through-flow path 58C of the third plate-shaped member 52C is laterally connected so as to connect the through-flow path 58A of the first plate-shaped member 52A and the through-flow path 58B of the second plate-shaped member 52B. It constitutes a "connection flow path" extending to C.
  • the first plate-shaped member 52A forms the through flow path 60A
  • the second plate-shaped member 52B forms the through flow path 60B
  • the third plate-shaped member 52C forms a through flow path 60C.
  • Each of the through flow paths 60A, 60B, and 60C has an arc shape having substantially the same dimensions in a plan view.
  • the penetrating flow path 58C as a connecting flow path extends in the lateral direction C in the gap between the two penetrating flow paths 60C.
  • the through-passage 58B extending along the through-passage 58C extends in the lateral direction C in the gap between the two through-passages 60B.
  • the first plate-shaped member 52A forms a through flow path 70A
  • the second plate-shaped member 52B forms a through flow path 70B. do.
  • Both the through flow paths 70A and 70B are provided on the outside of the third plate-shaped member 52C, and the third plate-shaped member 52C is not provided with a fixing hole.
  • an annular recess 64 is formed on the outside of the through flow path 60A constituting the individual air flow path 60.
  • the recess 64 has an annular shape in a plan view, and a packing (not shown) is arranged.
  • the through flow path 58A of the first plate-shaped member 52A has a diameter expanded in the lateral direction C on the main surface side, and a packing (not shown) is arranged in the expanded portion. These packings are pressed toward the first flow path forming portion 50 by the fastening force of the screw 72 described above.
  • a cylindrical spacer 66 is provided around the connection portion 18.
  • the spacer 66 is arranged so as to surround the connecting portion 18, and acts to control the insertion amount of the connecting portion 18 in the axial direction A when the connecting portion 18 is inserted into the air supply port 46.
  • the screw shape on the outer peripheral surface of the connecting portion 18 and the screw shape on the inner peripheral surface of the air supply port 46 may be screwed together.
  • the spacer 66 is not shown.
  • the attachment member 14 is attached to the main body casing 9, it is possible to generate an air flow F that promotes the separation of the membranous water discharge flow S1 and the straight water discharge flow S2 and the water discharge flows S1 and S2.
  • the first water discharge flow path 32 for membranous water discharge is communicated with the second water discharge flow path 34 for straight water discharge, and water is passed from the first water discharge flow path 32 to the second water discharge flow path 34. ing.
  • a desired water discharge form such as making it easier to align the discharge timings of the film-like water discharge flow S1 and the straight water discharge flow S2 while using the same water source.
  • the water spouting portion 4 as the spouting portion structure provided in the faucet 2 of the present embodiment includes the main body casing 9 and the attachment member 14.
  • the main body casing 9 has a bottom portion 44 having a water supply port 42 for supplying water and an air supply port 46 for supplying air, and a cylinder extending from the bottom portion 44 while enclosing the water supply port 42 and the air supply port 46 inward. It has a casing 48.
  • the attachment member 14 is a member attached by connecting to the bottom portion 44 of the main body casing 9, and includes a connecting portion 18 and flow path forming portions 50 and 52.
  • the connecting portion 18 is connected to the air supply port 46 of the attachment member 14 and allows the air supplied from the air supply port 46 to pass inward.
  • the flow path forming portions 50 and 52 are arranged so as to face the bottom portion 44 and the tubular portion 48 of the main body casing 9, and the water from the water supply port 42 is discharged in a film form between the bottom portion 44 and the tubular portion 48.
  • the first water discharge flow path 32 for the purpose is formed.
  • the flow path forming portions 50 and 52 form a second water discharge flow path 34 and an air flow path 40 and 60 inside the flow path forming portions 50 and 52.
  • the second water discharge flow path 34 is a flow path that connects the straight water discharge port 22 provided on the bottom surface of the flow path forming portion 52 and the first water discharge flow path 32.
  • the air flow paths 40 and 60 connect the air outlet 24 provided around the spout 22 on the bottom surface of the flow path forming portion 52 and the internal space 38 of the connection portion 18.
  • the membrane-like water discharge flow S1 and the straight water discharge flow S2 are separated from each other to stably discharge water. It is possible to realize the air flow F for the purpose at the same time. Further, in the flow path forming portions 50 and 52, the second water discharge flow path 34 for straight water discharge is passing water from the first water discharge flow path 32 for membranous water discharge. Therefore, it is possible to realize a desired water discharge form, for example, the timing of the start of each water discharge can be easily aligned while using the same water source for the membrane-like water discharge flow S1 and the straight water discharge flow S2.
  • the air outlet 24 is provided at three locations on the bottom surface of the flow path forming portion 52 at intervals in the circumferential direction R, and the air outlet 24 is provided. It has a plurality of individual air flow paths 60 individually connected to each.
  • the second water discharge flow path 34 extends through a gap between a plurality of individual air flow paths 60. According to such a configuration, the second water discharge flow path 34 and a plurality of individual air flow paths 60 can be formed while effectively utilizing the internal space in the flow path forming portions 50 and 52.
  • the flow path forming portions 50 and 52 have a first flow path forming portion 50 and a second flow path forming portion 52.
  • the first flow path forming portion 50 forms the first water discharge flow path 32 between the bottom portion 44 of the main body casing 9 and the tubular portion 48
  • the second flow path forming portion 52 is the first flow path forming portion 50. It is fitted into the flow path forming portions 50 and 52 to form the bottom surface.
  • the second flow path forming portion 52 forms a plurality of individual air flow paths 60
  • the first flow path forming portion 50 is commonly connected to the plurality of individual air flow paths 60 and is connected to the internal space 38 of the connection portion 18.
  • the common air flow path 40 to be connected is formed. According to such a configuration, the degree of freedom in designing each flow path can be improved.
  • the common air flow path 40 has a diameter expanded in the lateral direction C with respect to the internal space 38 of the connection portion 18, and the plurality of individual air flow paths 60 have.
  • the common air flow path 40 is connected to a portion whose diameter is expanded with respect to the internal space 38 of the connecting portion 18. According to such a configuration, when air flows into the common air flow path 40 from the internal space 38 of the connection portion 18, the air spreads outward and easily flows into the plurality of individual air flow paths 60. Further, the space inside the plurality of individual air flow paths 60 can be widened, and the space for extending the second water discharge flow path 34 toward the center can be secured.
  • the second flow path forming portion 52 has a first plate-shaped member 52A and a second plate-shaped member 52B.
  • the first plate-shaped member 52A is a plate-shaped member arranged so as to face the main surface of the common air flow path 40 of the first flow path forming portion 50.
  • the second plate-shaped member 52B is a plate-shaped member that is arranged so that the first plate-shaped member 52A and the main surface are overlapped with each other and forms the bottom surfaces of the flow path forming portions 50 and 52.
  • the plurality of individual air flow paths 60 are provided as spaces that penetrate each of the first plate-shaped member 52A and the second plate-shaped member 52B in the thickness direction.
  • the first plate-shaped member 52A forms a through flow path 58A penetrating in the thickness direction on the outside of the plurality of individual air flow paths 60 so as to form a part of the second water discharge flow path 34.
  • the second plate-shaped member 52B forms a through flow path 58B penetrating in the thickness direction inside a plurality of individual air flow paths 60 so as to form a part of the second water discharge flow path 34.
  • the through-flow path 58A of the first plate-shaped member 52A and the through-flow path 58B of the second plate-shaped member 52B are connected between the main surfaces of the first plate-shaped member 52A and the second plate-shaped member 52B.
  • a through flow path 58C is formed as an extending connection flow path.
  • the through flow path 58C extends through a gap between a plurality of individual air flow paths 60. According to such a configuration, the shape in which the second water discharge flow path 34 is bent can be easily realized in the second flow path forming portion 52.
  • the through flow path 58C as a connection flow path is composed of a recess 62 provided on the main surface of the second plate-shaped member 52B. According to such a configuration, the connection flow path can be easily formed.
  • the water discharge portion 4 of the faucet 2 of the present embodiment further includes a third plate-shaped member 52C arranged in the recess 62 of the second plate-shaped member 52B, and the third plate-shaped member 52C constitutes a connection flow path. It has a through flow path 58C that penetrates in the thickness direction so as to. According to such a configuration, the connecting flow path can be easily formed by the third plate-shaped member 52C, and the degree of freedom in designing the connecting flow path is also improved.
  • the first flow path forming portion 50 is integrally configured with the connecting portion 18, and the second flow path forming portion 52 is the first flow path forming portion 50 and the connecting portion. It is composed of a separate body from 18. According to such a configuration, the manufacturing cost can be reduced by integrally configuring the first flow path forming portion 50 and the connecting portion 18. Further, by forming the second flow path forming portion 52 separately from the first flow path forming portion 50, the degree of freedom in designing each flow path is improved.
  • the water discharge portion 4 of the faucet 2 of the present embodiment is further provided with a screw 72 as a fixing member, and the screw 72 is such that the second flow path forming portion 52 is fixed to the first flow path forming portion 50. It penetrates the two flow path forming portions 52 and is inserted into the first flow path forming portion 50. According to such a configuration, the second flow path forming portion 52 can be fixed to the first flow path forming portion 50 by the screw 72. Further, when the packing for sealing is provided in the flow path forming portions 50 and 52, the action of pressing the packing toward the first flow path forming portion 50 can be generated.
  • the faucet 2 of the present embodiment includes the water discharge part 4 as the above-mentioned water discharge part structure. According to such a configuration, the same effect as that of the water discharge portion 4 can be obtained.
  • the present invention is not limited to the above embodiment, and can be implemented in various other embodiments.
  • the case where the air outlet 24 and the individual air flow path 60 are provided separately at three locations at intervals in the circumferential direction R has been described, but the case is not limited to such a case.
  • the air outlet 24 and the individual air flow path 60 are provided at least in two places at intervals in the circumferential direction R, the second water discharge flow path 34 for straight water discharge is provided as a gap between the individual air flow paths 60. Can be arranged to pass through.
  • the shape is partially chipped in the circumferential direction R, and the second water discharge flow path 34 is provided in the chipped portion. Can be arranged to pass through.
  • the present invention is useful for faucets used in kitchens, washrooms, baths, etc.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Domestic Plumbing Installations (AREA)
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Abstract

This water discharge part structure (4) for a faucet (2) comprises a main body casing (9), and an attachment member (14), wherein: the attachment member (14) includes a connection part (18) which is connected to an air supply port (46) and passes air supplied from the air supply port (46) to inside, and flow path forming parts (50, 52) which are disposed facing a bottom part (44) and a cylindrical part (48) of the main body casing (9), and which form, between the bottom part (44) and the cylindrical part (48), first water discharge flow paths (32) for discharging water from a water supply port (42) into a film shape; and the flow path forming parts (50, 52) form therein a second water discharge flow path (34) connecting the first water discharge flow path (32) and a water discharge port (22) for straight water discharge provided on the bottom surface of the flow path forming parts (50, 52), and air flow paths (40, 60) connecting an air outlet (24) provided around the water discharge port (22) on the bottom surface and an inner space (38) of the connection part (18).

Description

水栓の吐水部構造およびそれを備える水栓Faucet spout structure and faucet with it
 本発明は、水栓の吐水部構造およびそれを備える水栓に関する。 The present invention relates to a faucet spout structure and a faucet including the same.
 従来の水栓には、例えば、特許文献1に記載されているものが知られている。特許文献1に開示される水栓は、散水板を備えるシャワー装置であって、散水板は、平面視で矩形状の所定の幅及び長さを有した散水面と、散水面を貫通して形成された複数の散水孔とを有する。複数の散水孔における各散水孔の散水方向は、散水面の幅方向内側から外側に向かうにしたがい幅方向の外方に向けられている。このような構成により、散水面から外側に向かって広がるように流れるシャワー吐水が行われる。 As the conventional faucet, for example, the one described in Patent Document 1 is known. The faucet disclosed in Patent Document 1 is a shower device provided with a sprinkler plate, and the sprinkler plate penetrates a sprinkling surface having a predetermined width and length rectangular in a plan view and a sprinkling surface. It has a plurality of sprinkler holes formed. The sprinkling direction of each sprinkling hole in the plurality of sprinkling holes is directed outward in the width direction from the inside to the outside in the width direction of the sprinkling surface. With such a configuration, shower water is discharged so as to spread outward from the watering surface.
特開2016-2243号公報Japanese Unexamined Patent Publication No. 2016-2243
 昨今では、特許文献1に開示されるようなシャワー吐水の形態を含めて、様々な吐水形態を実現することが求められている。所望の吐水形態を実現することに関して、未だ改善の余地がある。 Recently, it is required to realize various forms of water discharge including the form of shower water discharge as disclosed in Patent Document 1. There is still room for improvement in achieving the desired spouting form.
 従って、本発明の目的は、上記問題を解決することにあって、所望の吐水形態を実現することができる水栓の吐水部構造およびそれを備える水栓を提供することにある。 Therefore, an object of the present invention is to provide a faucet spouting portion structure capable of realizing a desired spouting form and a faucet including the spouting portion structure in order to solve the above problems.
 上記目的を達成するために、本発明の水栓の吐水部構造は、水を供給する給水口および空気を供給する給気口をそれぞれ形成した底部と、前記給水口および前記給気口を内側に囲みながら前記底部から筒状に延びる筒状部とを有する本体ケーシングと、前記本体ケーシングの前記底部に接続して取り付けられるアタッチメント部材と、を備え、前記アタッチメント部材は、前記給気口に接続されて、前記給気口から供給される空気を内側に通過させる接続部と、前記本体ケーシングの前記底部および前記筒状部に対向して配置され、前記底部および前記筒状部との間に、前記給水口からの水を膜状に吐水するための第1吐水流路を形成する流路形成部と、を有し、前記流路形成部はその内部に、前記流路形成部の底面に設けたストレート吐水用の吐水口と前記第1吐水流路とを接続する第2吐水流路と、前記底面における前記吐水口の周囲に設けた空気吹出口と前記接続部の内部空間とを接続する空気流路とを形成する。 In order to achieve the above object, the water discharge part structure of the faucet of the present invention has a bottom portion forming a water supply port for supplying water and an air supply port for supplying air, respectively, and the water supply port and the air supply port inside. A main body casing having a tubular portion extending in a tubular shape from the bottom portion while being surrounded by the main body casing, and an attachment member attached by connecting to the bottom portion of the main body casing, and the attachment member is connected to the air supply port. Between the connecting portion that allows air supplied from the air supply port to pass inward, and the bottom portion and the tubular portion of the main body casing, which are arranged so as to face the bottom portion and the tubular portion. It has a flow path forming portion for forming a first water discharge flow path for discharging water from the water supply port in a film shape, and the flow path forming portion is inside the flow path forming portion and a bottom surface of the flow path forming portion. A second spouting channel connecting the straight spouting port provided in the above and the first spouting channel, and an air outlet provided around the spouting port on the bottom surface and an internal space of the connecting portion. Form a connecting air flow path.
 また、本発明の水栓は、前記吐水部構造を備える水栓である。 Further, the faucet of the present invention is a faucet having the water discharge portion structure.
 本発明の水栓の吐水部構造およびそれを備える水栓によれば、所望の吐水形態を実現することができる。 According to the spouting portion structure of the faucet of the present invention and the faucet provided with the spouting portion structure, a desired spouting form can be realized.
本発明の実施形態に係る水栓の斜視図Perspective view of the faucet according to the embodiment of the present invention 実施形態に係る吐水部の一部分解斜視図Partially disassembled perspective view of the water discharge portion according to the embodiment 実施形態に係る吐水部の斜視図Perspective view of the water discharge portion according to the embodiment 実施形態に係る吐水部の縦断面図Longitudinal sectional view of the water discharge portion according to the embodiment 図4とは異なる角度で吐水部を切断した縦断面図A vertical cross-sectional view of the water discharge portion cut at an angle different from that of FIG. 実施形態に係る本体ケーシングを上面側から見た斜視図A perspective view of the main body casing according to the embodiment as viewed from the upper surface side. 実施形態に係る本体ケーシングを底面側から見た斜視図A perspective view of the main body casing according to the embodiment as viewed from the bottom surface side. 実施形態に係る本体ケーシングの縦断面図Vertical sectional view of the main body casing according to the embodiment 図8とは異なる角度で本体ケーシングを切断した縦断面図A vertical sectional view of the main body casing cut at an angle different from that of FIG. 実施形態に係るアタッチメント部材の一部分解斜視図Partially disassembled perspective view of the attachment member according to the embodiment 実施形態に係るアタッチメント部材の縦断面図Vertical sectional view of the attachment member according to the embodiment 図11とは異なる角度でアタッチメント部材を切断した縦断面図Vertical cross-sectional view of the attachment member cut at an angle different from that of FIG. 実施形態に係る第1流路形成部を底面側から見た平面図Top view of the first flow path forming portion according to the embodiment as viewed from the bottom surface side. 実施形態に係る第2流路形成部を底面側から見た平面図A plan view of the second flow path forming portion according to the embodiment as viewed from the bottom surface side. 実施形態に係る第2流路形成部を上面側から見た分解斜視図An exploded perspective view of the second flow path forming portion according to the embodiment as viewed from the upper surface side. 実施形態に係る第2流路形成部を底面側から見た分解斜視図An exploded perspective view of the second flow path forming portion according to the embodiment as viewed from the bottom surface side.
 以下に、本発明に係る実施形態を図面に基づいて詳細に説明する。なお、この実施形態によって本発明が限定されるものではない。 Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings. The present invention is not limited to this embodiment.
(実施形態)
 図1を用いて水栓2の概略構成について説明する。図1は、本実施形態に係る水栓2の斜視図である。水栓2は、例えば、キッチン、洗面所、お風呂等に設けられる水栓装置である。図1に示すように、水栓2は、吐水部4と、水ホース6と、空気ホース8とを備える。
(Embodiment)
The schematic configuration of the faucet 2 will be described with reference to FIG. FIG. 1 is a perspective view of the faucet 2 according to the present embodiment. The faucet 2 is, for example, a faucet device provided in a kitchen, a washroom, a bath, or the like. As shown in FIG. 1, the faucet 2 includes a water discharge unit 4, a water hose 6, and an air hose 8.
 吐水部4は、水ホース6から供給される水を吐水するための部材である。本実施形態の吐水部4は大略円筒状の外形を有しており、軸方向Aおよび軸方向Aを中心とする周方向Rを有する。 The water discharge unit 4 is a member for discharging water supplied from the water hose 6. The water discharge portion 4 of the present embodiment has a substantially cylindrical outer shape, and has an axial direction A and a circumferential direction R centered on the axial direction A.
 図1に示すように、吐水部4は2種類の吐水形態として、膜状吐水流(第1吐水流)S1とストレート吐水流(第2吐水流)S2を生じさせる。膜状吐水流S1は膜状に広がりながら吐水される水の流れであり、ストレート吐水流S2はストレート状に吐水される水の流れである。 As shown in FIG. 1, the water discharge unit 4 produces a membranous water discharge flow (first water discharge flow) S1 and a straight water discharge flow (second water discharge flow) S2 as two types of water discharge forms. The membranous water discharge flow S1 is a flow of water discharged while spreading in a film shape, and the straight water discharge flow S2 is a flow of water discharged in a straight shape.
 吐水部4はさらに、空気ホース8から供給される空気を用いて空気流Fを生じさせる。空気流Fは、膜状吐水流S1とストレート吐水流S2の間に環状に吹き出され、膜状吐水流S1とストレート吐水流S2の分離を促進する。 The water discharge unit 4 further generates an air flow F by using the air supplied from the air hose 8. The air flow F is blown out in a ring shape between the membranous discharge flow S1 and the straight discharge flow S2, and promotes the separation of the membrane discharge flow S1 and the straight discharge flow S2.
 図1に示すように、吐水部4は本体ケーシング9を有する。本体ケーシング9の表面には、第1開口部10と第2開口部12とが設けられる。 As shown in FIG. 1, the water discharge unit 4 has a main body casing 9. A first opening 10 and a second opening 12 are provided on the surface of the main body casing 9.
 第1開口部10は、水ホース6を接続するための開口部である。第2開口部12は、空気ホース8を接続するための開口部である。水ホース6および空気ホース8をそれぞれ接続することができれば、第1開口部10および第2開口部12は任意の形状であってもよい。 The first opening 10 is an opening for connecting the water hose 6. The second opening 12 is an opening for connecting the air hose 8. The first opening 10 and the second opening 12 may have any shape as long as the water hose 6 and the air hose 8 can be connected to each other.
 図1では便宜的に、水ホース6および空気ホース8が第1開口部10および第2開口部12から離れた状態を図示している。以降の図面では、水ホース6および空気ホース8の図示を省略する。 FIG. 1 illustrates a state in which the water hose 6 and the air hose 8 are separated from the first opening 10 and the second opening 12 for convenience. In the following drawings, the water hose 6 and the air hose 8 are not shown.
 水ホース6は、吐水部4へ水を供給する部材であり、図示しない水源に接続されている。空気ホース8は、吐水部4へ空気を供給する部材であり、図示しない空気源に接続されている。水ホース6および空気ホース8は図示しない水栓2のスパウト本体部に内蔵されてもよく、あるいは別々の場所に内蔵・配置されてもよい。 The water hose 6 is a member that supplies water to the water discharge unit 4, and is connected to a water source (not shown). The air hose 8 is a member that supplies air to the water discharge portion 4, and is connected to an air source (not shown). The water hose 6 and the air hose 8 may be built in the spout main body of the faucet 2 (not shown), or may be built / arranged in different places.
 上述した構成を有する水栓2は例えばシングルレバー式の水栓など、任意の形式の水栓であってもよい。水栓2は、吐水部4による吐水/止水の切替操作を行うための操作部(図示せず)を備えてもよい。 The faucet 2 having the above-mentioned configuration may be any type of faucet, for example, a single lever type faucet. The faucet 2 may include an operation unit (not shown) for performing a water discharge / stop water switching operation by the water discharge unit 4.
 以降、水栓2の吐水部構造である吐水部4の構造について、図2~図16を参照しながら説明する。 Hereinafter, the structure of the water discharge portion 4, which is the structure of the water discharge portion of the faucet 2, will be described with reference to FIGS. 2 to 16.
 図2は、吐水部4の一部分解斜視図であり、図3は、吐水部4の斜視図である。図2、図3に示すように、吐水部4は、本体ケーシング9に加えて、アタッチメント部材14を備える。 FIG. 2 is a partially exploded perspective view of the water discharge unit 4, and FIG. 3 is a perspective view of the water discharge unit 4. As shown in FIGS. 2 and 3, the water discharge unit 4 includes an attachment member 14 in addition to the main body casing 9.
 アタッチメント部材14は、吐水部4における各種流路を形成するために、本体ケーシング9に取り付けられる部材である。アタッチメント部材14は、本体ケーシング9の凹部16(図2)に挿入して取り付けられる。凹部16は、本体ケーシング9の底部が軸方向Aに凹んだ部分である。 The attachment member 14 is a member attached to the main body casing 9 in order to form various flow paths in the water discharge portion 4. The attachment member 14 is inserted and attached to the recess 16 (FIG. 2) of the main body casing 9. The recess 16 is a portion where the bottom portion of the main body casing 9 is recessed in the axial direction A.
 図2に示すように、アタッチメント部材14には接続部18が設けられている。接続部18は、アタッチメント部材14を本体ケーシング9に接続するための部分であり、本体ケーシング9の凹部16に設けた給気口46(図7など)に挿入される。 As shown in FIG. 2, the attachment member 14 is provided with a connection portion 18. The connection portion 18 is a portion for connecting the attachment member 14 to the main body casing 9, and is inserted into an air supply port 46 (FIG. 7 or the like) provided in the recess 16 of the main body casing 9.
 図3に示すように、吐水部4の底部には、第1吐水口20と、第2吐水口22と、空気吹出口24と、固定孔70とが形成される。 As shown in FIG. 3, a first spout port 20, a second spout port 22, an air outlet 24, and a fixing hole 70 are formed at the bottom of the spout portion 4.
 第1吐水口20は、図1に示した膜状吐水流S1を形成するための開口(膜状吐水口)である。第1吐水口20は、本体ケーシング9とアタッチメント部材14の間の隙間の開口であり、平面視で周方向Rにつながった円環状の形状を有する。 The first spout 20 is an opening (membrane spout) for forming the membranous spout S1 shown in FIG. The first spout 20 is an opening of a gap between the main body casing 9 and the attachment member 14, and has an annular shape connected in the circumferential direction R in a plan view.
 第2吐水口22は、図1に示したストレート吐水流S2を形成するための開口(ストレート吐水口)である。第2吐水口22は、アタッチメント部材14の底部の略中心位置に形成された1つの貫通孔である。 The second spout 22 is an opening (straight spout) for forming the straight spout S2 shown in FIG. The second spout 22 is one through hole formed at a substantially central position of the bottom of the attachment member 14.
 空気吹出口24は、図1に示した空気流Fを形成するための開口である。空気吹出口24は、第1吐水口20と第2吐水口22の間の位置に設けられた複数の貫通孔である。本実施形態の空気吹出口24は周方向Rに間隔を空けて3か所に分けて設けられており、平面視で円弧状の形状を有する。 The air outlet 24 is an opening for forming the air flow F shown in FIG. The air outlet 24 is a plurality of through holes provided at positions between the first spout 20 and the second spout 22. The air outlet 24 of the present embodiment is provided at three locations at intervals in the circumferential direction R, and has an arcuate shape in a plan view.
 固定孔70は、後述する第2流路形成部52(図10)を第1流路形成部50に固定するネジ72を配置するための孔である。固定孔70は、第1吐水口20と空気吹出口24の間の位置に設けられる。本実施形態の固定孔70は周方向Rに間隔を空けて3か所に設けられており、それぞれの固定孔70へ取付方向Bに向かってネジ72が挿入される。以降の図面では、図10を除いてネジ72の図示を省略する。 The fixing hole 70 is a hole for arranging a screw 72 for fixing the second flow path forming portion 52 (FIG. 10) described later to the first flow path forming portion 50. The fixing hole 70 is provided at a position between the first spout 20 and the air outlet 24. The fixing holes 70 of the present embodiment are provided at three locations at intervals in the circumferential direction R, and screws 72 are inserted into the fixing holes 70 in the mounting direction B. In the following drawings, the screw 72 is not shown except for FIG. 10.
 次に、吐水部4における水および空気の流れについて、図4、図5を用いて説明する。図4、図5は、吐水部4を異なる角度で切断した縦断面図である。図4、図5では、水の流れを実線で表し、空気の流れを点線で表す。 Next, the flow of water and air in the water discharge unit 4 will be described with reference to FIGS. 4 and 5. 4 and 5 are vertical cross-sectional views of the water discharge portion 4 cut at different angles. In FIGS. 4 and 5, the flow of water is represented by a solid line, and the flow of air is represented by a dotted line.
 図4に示すように、本体ケーシング9の第1開口部10から流入した水は、本体ケーシング9の内部空間30を通過し、2方向に分岐して、第1吐水流路32に流入する。第1吐水流路32は、本体ケーシング9とアタッチメント部材14の間に設けられた空間である。第1吐水流路32に流入した水は、本体ケーシング9の端部とアタッチメント部材14の端部の隙間である円環状の第1吐出口20から第1吐水流S1(図1)として吐水される。 As shown in FIG. 4, the water flowing in from the first opening 10 of the main body casing 9 passes through the internal space 30 of the main body casing 9, branches in two directions, and flows into the first water discharge flow path 32. The first water discharge flow path 32 is a space provided between the main body casing 9 and the attachment member 14. The water flowing into the first water discharge flow path 32 is discharged as the first water discharge flow S1 (FIG. 1) from the annular first discharge port 20 which is a gap between the end of the main body casing 9 and the end of the attachment member 14. To.
 図4に示すように、アタッチメント部材14はその内部に第2吐水流路34を形成する。第2吐水流路34は、第1吐水流路32に面する位置からストレート吐水用の第2吐水口22まで延びる流路である。第1吐水流路32を流れる水の一部が、第2吐水流路34に流入し、第2吐水口22からストレート吐水流S2(図1)として吐水される。 As shown in FIG. 4, the attachment member 14 forms a second water discharge flow path 34 inside the attachment member 14. The second water discharge flow path 34 is a flow path extending from a position facing the first water discharge flow path 32 to the second water discharge port 22 for straight water discharge. A part of the water flowing through the first water discharge flow path 32 flows into the second water discharge flow path 34, and is discharged from the second water discharge port 22 as a straight water discharge flow S2 (FIG. 1).
 図5に示すように、本体ケーシング9の第2開口部12から流入する空気は、本体ケーシング9の内部空間36を通過して、アタッチメント部材14の接続部18の内部空間38を通過し、共通空気流路40に流入する。共通空気流路40は、後述する第1流路形成部50が形成する流路である。共通空気流路40に流入した空気は、後述する第2流路形成部52において3方向に分岐して、3つの空気吹出口24から空気流F(図1)として吹き出される。 As shown in FIG. 5, the air flowing in from the second opening 12 of the main body casing 9 passes through the internal space 36 of the main body casing 9, passes through the internal space 38 of the connection portion 18 of the attachment member 14, and is common. It flows into the air flow path 40. The common air flow path 40 is a flow path formed by the first flow path forming portion 50, which will be described later. The air that has flowed into the common air flow path 40 branches in three directions at the second flow path forming portion 52, which will be described later, and is blown out as an air flow F (FIG. 1) from the three air outlets 24.
 次に、本体ケーシング9の構造について、図6~図9を用いて説明する。図6は、本体ケーシング9を上面側から見た斜視図であり、図7は、本体ケーシング9を底面側から見た斜視図である。図8、図9は、本体ケーシング9を異なる角度で切断した縦断面図である。 Next, the structure of the main body casing 9 will be described with reference to FIGS. 6 to 9. FIG. 6 is a perspective view of the main body casing 9 as viewed from the top surface side, and FIG. 7 is a perspective view of the main body casing 9 as viewed from the bottom surface side. 8 and 9 are vertical cross-sectional views of the main body casing 9 cut at different angles.
 図6に示すように、第1開口部10に連通する内部空間30は下流側で2か所に分岐し、図7に示すように給水口42まで延びる。給水口42は、本体ケーシング9の底部44に設けられた2つの開口であり、前述した第1吐水流路32(図4)に水を供給する。 As shown in FIG. 6, the internal space 30 communicating with the first opening 10 branches into two places on the downstream side and extends to the water supply port 42 as shown in FIG. 7. The water supply port 42 is two openings provided in the bottom portion 44 of the main body casing 9, and supplies water to the first water discharge flow path 32 (FIG. 4) described above.
 図7に示すように、本体ケーシング9の底部44はさらに給気口46を形成する。給気口46は、第2開口部12に連通する開口であり、前述したアタッチメント部材14の接続部18が挿入される。図8に示すように、給気口46は、第2開口部12に連通する内部空間36が内部空間30の直下まで延びた位置に形成される。内部空間36は、内部空間30が2か所に分岐する箇所の間を通過するように延びる。 As shown in FIG. 7, the bottom portion 44 of the main body casing 9 further forms an air supply port 46. The air supply port 46 is an opening that communicates with the second opening 12, and the connection portion 18 of the attachment member 14 described above is inserted. As shown in FIG. 8, the air supply port 46 is formed at a position where the internal space 36 communicating with the second opening 12 extends to just below the internal space 30. The internal space 36 extends so as to pass between the points where the internal space 30 branches into two places.
 図7~図9に示すように、本体ケーシング9は筒状部48を有する。筒状部48は、底部44から軸方向Aに筒状に延びる部分である。図7に示すように、筒状部48は、給水口42および給気口46を内側に囲むように円筒状に延びる。 As shown in FIGS. 7 to 9, the main body casing 9 has a tubular portion 48. The tubular portion 48 is a portion extending cylindrically from the bottom portion 44 in the axial direction A. As shown in FIG. 7, the tubular portion 48 extends in a cylindrical shape so as to surround the water supply port 42 and the air supply port 46 inward.
 筒状部48および底部44は本体ケーシング9の凹部16を構成し、前述したアタッチメント部材14とともに第1吐水流路32を構成する。 The tubular portion 48 and the bottom portion 44 form a recess 16 of the main body casing 9, and together with the attachment member 14 described above, form a first water discharge flow path 32.
 次に、アタッチメント部材14の構造について、図10~図14を用いて説明する。図10は、アタッチメント部材14の一部分解斜視図であり、図11、図12は、アタッチメント部材14を異なる角度で切断したときの縦断面図である。図13は、第1流路形成部50を底面側から見た平面図であり、図14は、第2流路形成部52を上面側から見た平面図である。 Next, the structure of the attachment member 14 will be described with reference to FIGS. 10 to 14. 10 is a partially exploded perspective view of the attachment member 14, and FIGS. 11 and 12 are vertical cross-sectional views when the attachment member 14 is cut at different angles. FIG. 13 is a plan view of the first flow path forming portion 50 as viewed from the bottom surface side, and FIG. 14 is a plan view of the second flow path forming portion 52 as viewed from the top surface side.
 図10に示すように、アタッチメント部材14は、接続部18に加えて、第1流路形成部50と、第2流路形成部52とを有する。 As shown in FIG. 10, the attachment member 14 has a first flow path forming portion 50 and a second flow path forming portion 52 in addition to the connecting portion 18.
 第1流路形成部50および第2流路形成部52は、第1吐水流路32、第2吐水流路34および共通空気流路40等の流路を形成するための部分である。第1流路形成部50と第2流路形成部52を総称して「流路形成部」としてもよい。本実施形態では、第1流路形成部50は接続部18と一体的に構成され、第2流路形成部52は別体で構成される。 The first flow path forming portion 50 and the second flow path forming portion 52 are portions for forming flow paths such as the first water discharge flow path 32, the second water discharge flow path 34, and the common air flow path 40. The first flow path forming portion 50 and the second flow path forming portion 52 may be collectively referred to as a “flow path forming portion”. In the present embodiment, the first flow path forming portion 50 is integrally formed with the connecting portion 18, and the second flow path forming portion 52 is formed as a separate body.
 第1流路形成部50の底面側には凹部が設けられており、第2流路形成部52が嵌め込まれる。第1流路形成部50に第2流路形成部52が嵌め込まれた状態で、前述したネジ72が固定孔70に配置されると、ネジ72は第2流路形成部52を貫通して第1流路形成部50に挿入される。これにより、第2流路形成部52が第1流路形成部50に固定される。ネジ72の締結によって、第2流路形成部52を第1流路形成部50に向けて押し付ける力が生じる。 A recess is provided on the bottom surface side of the first flow path forming portion 50, and the second flow path forming portion 52 is fitted. When the screw 72 described above is arranged in the fixing hole 70 with the second flow path forming portion 52 fitted in the first flow path forming portion 50, the screw 72 penetrates the second flow path forming portion 52. It is inserted into the first flow path forming portion 50. As a result, the second flow path forming portion 52 is fixed to the first flow path forming portion 50. By fastening the screw 72, a force for pressing the second flow path forming portion 52 toward the first flow path forming portion 50 is generated.
 第1流路形成部50は、接続部18が本体ケーシング9の給気口46に挿入された状態で、本体ケーシング9の底部44および筒状部48と隙間を空けて対向する(図4、図5参照)。これにより、第1吐水流路32を形成する。 The first flow path forming portion 50 faces the bottom portion 44 and the tubular portion 48 of the main body casing 9 with a gap in a state where the connecting portion 18 is inserted into the air supply port 46 of the main body casing 9 (FIG. 4, FIG. See FIG. 5). As a result, the first water discharge flow path 32 is formed.
 図10~図12に示すように、第1流路形成部50の上面には吸入口54が形成される。吸入口54は、第2吐水流路34の入口に相当する開口である。接続部18が本体ケーシング9の給気口46に挿入された状態で、吸入口54は本体ケーシング9の底部44に対向して、第1吐水流路32に面するように配置される。 As shown in FIGS. 10 to 12, a suction port 54 is formed on the upper surface of the first flow path forming portion 50. The suction port 54 is an opening corresponding to the inlet of the second water discharge flow path 34. With the connecting portion 18 inserted into the air supply port 46 of the main body casing 9, the suction port 54 is arranged so as to face the bottom portion 44 of the main body casing 9 and face the first water discharge flow path 32.
 図11に示すように、第1流路形成部50は、第2吐水流路34の一部として貫通流路56を形成する。貫通流路56は吸入口54から延びる流路である。同様に、第2流路形成部52は、第2吐水流路34の一部として貫通流路58を形成する。貫通流路56および貫通流路58は軸方向Aに沿って互いに対向して連通する。 As shown in FIG. 11, the first flow path forming portion 50 forms a through flow path 56 as a part of the second water discharge flow path 34. The through flow path 56 is a flow path extending from the suction port 54. Similarly, the second flow path forming portion 52 forms the through flow path 58 as a part of the second water discharge flow path 34. The penetrating flow path 56 and the penetrating flow path 58 communicate with each other so as to face each other along the axial direction A.
 第1流路形成部50はその中心部に、接続部18の内部空間38に連通する共通空気流路40を形成する。本実施形態の共通空気流路40は接続部18の内部空間38に対して横方向Cに拡径している。 The first flow path forming portion 50 forms a common air flow path 40 communicating with the internal space 38 of the connecting portion 18 at the center thereof. The common air flow path 40 of the present embodiment has a diameter expanded in the lateral direction C with respect to the internal space 38 of the connecting portion 18.
 第2流路形成部52は、第1流路形成部50の共通空気流路40に主面が面するように配置される部材である。第2流路形成部52は、共通空気流路40に連通する流路として複数の個別空気流路60を形成する。複数の個別空気流路60はそれぞれが第2流路形成部52を厚み方向に貫通する流路であり、空気吐出口24まで延びている。3つの空気吐出口24に対応して個別空気流路60は3か所に分けて設けられる(図10)。 The second flow path forming portion 52 is a member arranged so that the main surface faces the common air flow path 40 of the first flow path forming portion 50. The second flow path forming portion 52 forms a plurality of individual air flow paths 60 as a flow path communicating with the common air flow path 40. Each of the plurality of individual air flow paths 60 is a flow path that penetrates the second flow path forming portion 52 in the thickness direction and extends to the air discharge port 24. The individual air flow paths 60 are provided separately at three locations corresponding to the three air discharge ports 24 (FIG. 10).
 図11、図12に示すように、本実施形態の個別空気流路60は、第1流路形成部50の共通空気流路40が内部空間38に対して拡径した箇所に接続されている。これにより、内部空間38から共通空気流路40に流入した空気が外側に広がって個別空気流路60に流入しやすくなる。 As shown in FIGS. 11 and 12, the individual air flow path 60 of the present embodiment is connected to a portion where the common air flow path 40 of the first flow path forming portion 50 has an enlarged diameter with respect to the internal space 38. .. As a result, the air that has flowed into the common air flow path 40 from the internal space 38 spreads outward, and easily flows into the individual air flow path 60.
 図14に示すように、第2吐水流路34を構成する貫通流路58は、第2流路形成部52の内部を横方向Cに延びて吐水口22に接続される。複数の個別空気流路60が周方向Rに間隔を空けて配置されているところ、貫通流路58は2つの個別空気流路60どうしの隙間を通過するように横方向Cに延びる。 As shown in FIG. 14, the through flow path 58 constituting the second water discharge flow path 34 extends in the lateral direction C inside the second flow path forming portion 52 and is connected to the water discharge port 22. Where the plurality of individual air flow paths 60 are arranged at intervals in the circumferential direction R, the through flow path 58 extends in the lateral direction C so as to pass through the gap between the two individual air flow paths 60.
 上述した第2流路形成部52は3つの板状部材から構成される。具体的には、図15、図16を用いて説明する。図15は、第2流路形成部52を上面側から見た分解斜視図であり、図16は、第2流路形成部52を底面側から見た分解斜視図である。 The above-mentioned second flow path forming portion 52 is composed of three plate-shaped members. Specifically, it will be described with reference to FIGS. 15 and 16. FIG. 15 is an exploded perspective view of the second flow path forming portion 52 as viewed from the upper surface side, and FIG. 16 is an exploded perspective view of the second flow path forming portion 52 as viewed from the bottom surface side.
 図15、図16に示すように、第2流路形成部52は、第1板状部材52Aと、第2板状部材52Bと、第3板状部材52Cとを備える。 As shown in FIGS. 15 and 16, the second flow path forming portion 52 includes a first plate-shaped member 52A, a second plate-shaped member 52B, and a third plate-shaped member 52C.
 第1板状部材52A、第2板状部材52Bおよび第3板状部材52Cはそれぞれ、軸方向Aに厚みを有する板状の部材である。本実施形態の厚み方向は吐水部4の軸方向Aに一致する。第1板状部材52A、第2板状部材52Bおよび第3板状部材52Cはそれぞれ、互いの主面が重なるように配置される。図15、図16に示すように、第1板状部材52Aと第2板状部材52Bの間に第3板状部材52Cが配置され、第2板状部材52Bは、第2流路形成部52の底面を構成する。 The first plate-shaped member 52A, the second plate-shaped member 52B, and the third plate-shaped member 52C are plate-shaped members having a thickness in the axial direction A, respectively. The thickness direction of the present embodiment coincides with the axial direction A of the water discharge portion 4. The first plate-shaped member 52A, the second plate-shaped member 52B, and the third plate-shaped member 52C are arranged so that their main surfaces overlap each other. As shown in FIGS. 15 and 16, the third plate-shaped member 52C is arranged between the first plate-shaped member 52A and the second plate-shaped member 52B, and the second plate-shaped member 52B is a second flow path forming portion. It constitutes the bottom surface of 52.
 図15、図16に示すように、第1板状部材52Aと第2板状部材52Bは平面視で略同じ径の外形を有する。一方で、第3板状部材52Cは平面視の外形が第1板状部材52Aおよび第2板状部材52Bよりも小さく、第2板状部材52Bの主面に形成された凹部62に配置される。 As shown in FIGS. 15 and 16, the first plate-shaped member 52A and the second plate-shaped member 52B have outer shapes having substantially the same diameter in a plan view. On the other hand, the third plate-shaped member 52C has an outer shape in a plan view smaller than that of the first plate-shaped member 52A and the second plate-shaped member 52B, and is arranged in the recess 62 formed on the main surface of the second plate-shaped member 52B. To.
 前述した第2流路形成部52の貫通流路58を構成する流路として、第1板状部材52Aは貫通流路58Aを形成し、第2板状部材52Bは貫通流路58Bを形成し、第3板状部材52Cは貫通流路58Cを形成する。第2板状部材52Bの貫通流路58Bはストレート吐水用の吐水口22まで延びる(図16、図15)。 As the flow path constituting the through flow path 58 of the second flow path forming portion 52 described above, the first plate-shaped member 52A forms the through flow path 58A, and the second plate-shaped member 52B forms the through flow path 58B. , The third plate-shaped member 52C forms a through flow path 58C. The through flow path 58B of the second plate-shaped member 52B extends to the spout 22 for straight spouting (FIGS. 16 and 15).
 第1板状部材52Aの貫通流路58Aは、複数の個別空気流路60の外側で第1板状部材52Aを厚み方向に貫通する。第2板状部材52Bの貫通流路58Bは、複数の個別空気流路60の内側で第2板状部材52Bを厚み方向に貫通する。 The through flow path 58A of the first plate-shaped member 52A penetrates the first plate-shaped member 52A in the thickness direction on the outside of the plurality of individual air flow paths 60. The penetration flow path 58B of the second plate-shaped member 52B penetrates the second plate-shaped member 52B in the thickness direction inside the plurality of individual air flow paths 60.
 図15に示すように、第3板状部材52Cの貫通流路58Cは、第1板状部材52Aの貫通流路58Aと第2板状部材52Bの貫通流路58Bを接続するように横方向Cに延びる「接続流路」を構成する。 As shown in FIG. 15, the through-flow path 58C of the third plate-shaped member 52C is laterally connected so as to connect the through-flow path 58A of the first plate-shaped member 52A and the through-flow path 58B of the second plate-shaped member 52B. It constitutes a "connection flow path" extending to C.
 前述した第2流路形成部52の個別空気流路60を構成する流路として、第1板状部材52Aは貫通流路60Aを形成し、第2板状部材52Bは貫通流路60Bを形成し、第3板状部材52Cは貫通流路60Cを形成する。貫通流路60A、60B、60Cのそれぞれは平面視で略同じ寸法の円弧形状を有する。 As the flow path constituting the individual air flow path 60 of the second flow path forming portion 52 described above, the first plate-shaped member 52A forms the through flow path 60A, and the second plate-shaped member 52B forms the through flow path 60B. The third plate-shaped member 52C forms a through flow path 60C. Each of the through flow paths 60A, 60B, and 60C has an arc shape having substantially the same dimensions in a plan view.
 図15に示すように、接続流路としての貫通流路58Cは、2つの貫通流路60Cどうしの隙間を横方向Cに延びる。同様に、貫通流路58Cに沿って延びる貫通流路58Bは、2つの貫通流路60Bどうしの隙間を横方向Cに延びる。 As shown in FIG. 15, the penetrating flow path 58C as a connecting flow path extends in the lateral direction C in the gap between the two penetrating flow paths 60C. Similarly, the through-passage 58B extending along the through-passage 58C extends in the lateral direction C in the gap between the two through-passages 60B.
 さらに、前述した第2流路形成部52の固定孔70を構成する流路として、第1板状部材52Aは貫通流路70Aを形成し、第2板状部材52Bは貫通流路70Bを形成する。貫通流路70A、70Bはともに第3板状部材52Cの外側に設けられており、第3板状部材52Cには固定孔は設けられていない。 Further, as a flow path constituting the fixing hole 70 of the second flow path forming portion 52 described above, the first plate-shaped member 52A forms a through flow path 70A, and the second plate-shaped member 52B forms a through flow path 70B. do. Both the through flow paths 70A and 70B are provided on the outside of the third plate-shaped member 52C, and the third plate-shaped member 52C is not provided with a fixing hole.
 図15に示すように、第1板状部材52Aの主面において、個別空気流路60を構成する貫通流路60Aの外側には環状の凹部64が形成されている。凹部64は平面視で円環状の形状を有しており、図示しないパッキンが配置される。同様に、第1板状部材52Aの貫通流路58Aは主面側が横方向Cに拡径しており、拡径した部分に図示しないパッキンが配置される。これらのパッキンは、前述したネジ72の締結力によって第1流路形成部50に向けて押し付けられる。 As shown in FIG. 15, on the main surface of the first plate-shaped member 52A, an annular recess 64 is formed on the outside of the through flow path 60A constituting the individual air flow path 60. The recess 64 has an annular shape in a plan view, and a packing (not shown) is arranged. Similarly, the through flow path 58A of the first plate-shaped member 52A has a diameter expanded in the lateral direction C on the main surface side, and a packing (not shown) is arranged in the expanded portion. These packings are pressed toward the first flow path forming portion 50 by the fastening force of the screw 72 described above.
 図4、図5に戻ると、接続部18の周囲には円筒状のスペーサ66が設けられる。スペーサ66は、接続部18を囲むように配置され、接続部18を給気口46に挿入したときに、接続部18の軸方向Aの挿入量を制御するように作用する。接続部18を給気口46に挿入する際は、接続部18の外周面のネジ形状と給気口46の内周面のネジ形状を螺合させてもよい。図4、図5以外の図面では、スペーサ66の図示を省略している。 Returning to FIGS. 4 and 5, a cylindrical spacer 66 is provided around the connection portion 18. The spacer 66 is arranged so as to surround the connecting portion 18, and acts to control the insertion amount of the connecting portion 18 in the axial direction A when the connecting portion 18 is inserted into the air supply port 46. When inserting the connecting portion 18 into the air supply port 46, the screw shape on the outer peripheral surface of the connecting portion 18 and the screw shape on the inner peripheral surface of the air supply port 46 may be screwed together. In drawings other than FIGS. 4 and 5, the spacer 66 is not shown.
 上記構成によれば、本体ケーシング9にアタッチメント部材14を取り付ければ、膜状吐水流S1およびストレート吐水流S2と、吐水流S1、S2の分離を促進する空気流Fを生じさせることができる。本実施形態では特に、膜状吐水用の第1吐水流路32にストレート吐水用の第2吐水流路34を連通させて、第1吐水流路32から第2吐水流路34に通水している。これにより、膜状吐水流S1とストレート吐水流S2に同一の水源を用いながらそれぞれの吐出するタイミングが揃いやすくなる等、所望の吐水形態を実現することができる。 According to the above configuration, if the attachment member 14 is attached to the main body casing 9, it is possible to generate an air flow F that promotes the separation of the membranous water discharge flow S1 and the straight water discharge flow S2 and the water discharge flows S1 and S2. In this embodiment, in particular, the first water discharge flow path 32 for membranous water discharge is communicated with the second water discharge flow path 34 for straight water discharge, and water is passed from the first water discharge flow path 32 to the second water discharge flow path 34. ing. As a result, it is possible to realize a desired water discharge form, such as making it easier to align the discharge timings of the film-like water discharge flow S1 and the straight water discharge flow S2 while using the same water source.
 上述したように、本実施形態の水栓2が備える吐水部構造としての吐水部4は、本体ケーシング9と、アタッチメント部材14とを備える。本体ケーシング9は、水を供給する給水口42および空気を供給する給気口46をそれぞれ形成した底部44と、給水口42および給気口46を内側に囲みながら底部44から筒状に延びる筒状部48とを有する。アタッチメント部材14は、本体ケーシング9の底部44に接続して取り付けられ部材であり、接続部18と、流路形成部50、52とを備える。接続部18は、アタッチメント部材14の給気口46に接続され、給気口46から供給される空気を内側に通過させる。流路形成部50、52は、本体ケーシング9の底部44および筒状部48に対向して配置され、底部44および筒状部48との間に、給水口42からの水を膜状に吐水するための第1吐水流路32を形成する。流路形成部50、52はその内部に、第2吐水流路34と、空気流路40、60とを形成する。第2吐水流路34は、流路形成部52の底面に設けたストレート吐水用の吐水口22と第1吐水流路32とを接続する流路である。空気流路40、60は、流路形成部52の底面における吐水口22の周囲に設けた空気吹出口24と接続部18の内部空間38とを接続する。 As described above, the water spouting portion 4 as the spouting portion structure provided in the faucet 2 of the present embodiment includes the main body casing 9 and the attachment member 14. The main body casing 9 has a bottom portion 44 having a water supply port 42 for supplying water and an air supply port 46 for supplying air, and a cylinder extending from the bottom portion 44 while enclosing the water supply port 42 and the air supply port 46 inward. It has a casing 48. The attachment member 14 is a member attached by connecting to the bottom portion 44 of the main body casing 9, and includes a connecting portion 18 and flow path forming portions 50 and 52. The connecting portion 18 is connected to the air supply port 46 of the attachment member 14 and allows the air supplied from the air supply port 46 to pass inward. The flow path forming portions 50 and 52 are arranged so as to face the bottom portion 44 and the tubular portion 48 of the main body casing 9, and the water from the water supply port 42 is discharged in a film form between the bottom portion 44 and the tubular portion 48. The first water discharge flow path 32 for the purpose is formed. The flow path forming portions 50 and 52 form a second water discharge flow path 34 and an air flow path 40 and 60 inside the flow path forming portions 50 and 52. The second water discharge flow path 34 is a flow path that connects the straight water discharge port 22 provided on the bottom surface of the flow path forming portion 52 and the first water discharge flow path 32. The air flow paths 40 and 60 connect the air outlet 24 provided around the spout 22 on the bottom surface of the flow path forming portion 52 and the internal space 38 of the connection portion 18.
 このような構成によれば、本体ケーシング9にアタッチメント部材14を取り付ければ、膜状吐水流S1およびストレート吐水流S2と、膜状吐水流S1とストレート吐水流S2をそれぞれ分離して安定的に吐水するための空気流Fとを同時に実現することができる。また流路形成部50、52において、ストレート吐水用の第2吐水流路34は膜状吐水用の第1吐水流路32から通水している。このため、膜状吐水流S1とストレート吐水流S2に同一の水源を利用しながらそれぞれの吐水開始のタイミングが揃いやすくなる等、所望の吐水形態を実現することができる。 According to such a configuration, if the attachment member 14 is attached to the main body casing 9, the membrane-like water discharge flow S1 and the straight water discharge flow S2, and the membrane-like water discharge flow S1 and the straight water discharge flow S2 are separated from each other to stably discharge water. It is possible to realize the air flow F for the purpose at the same time. Further, in the flow path forming portions 50 and 52, the second water discharge flow path 34 for straight water discharge is passing water from the first water discharge flow path 32 for membranous water discharge. Therefore, it is possible to realize a desired water discharge form, for example, the timing of the start of each water discharge can be easily aligned while using the same water source for the membrane-like water discharge flow S1 and the straight water discharge flow S2.
 また本実施形態の水栓2の吐水部4では、空気吹出口24は、流路形成部52の底面において周方向Rに間隔を空けて3か所に分けて設けられ、空気吹出口24のそれぞれに個別に接続される個別空気流路60を複数有する。第2吐水流路34は、複数の個別空気流路60どうしの隙間を通って延びる。このような構成によれば、流路形成部50、52における内部スペースを有効活用しながら第2吐水流路34と複数の個別空気流路60を形成することができる。 Further, in the water discharge portion 4 of the faucet 2 of the present embodiment, the air outlet 24 is provided at three locations on the bottom surface of the flow path forming portion 52 at intervals in the circumferential direction R, and the air outlet 24 is provided. It has a plurality of individual air flow paths 60 individually connected to each. The second water discharge flow path 34 extends through a gap between a plurality of individual air flow paths 60. According to such a configuration, the second water discharge flow path 34 and a plurality of individual air flow paths 60 can be formed while effectively utilizing the internal space in the flow path forming portions 50 and 52.
 また本実施形態の水栓2の吐水部4では、流路形成部50、52は、第1流路形成部50と、第2流路形成部52とを有する。第1流路形成部50は、本体ケーシング9の底部44および筒状部48との間に第1吐水流路32を形成し、第2流路形成部52は、第1流路形成部50に嵌め込まれて流路形成部50、52の底面を形成する。第2流路形成部52は複数の個別空気流路60を形成し、第1流路形成部50は、複数の個別空気流路60に共通して接続し且つ接続部18の内部空間38に接続する共通空気流路40を形成する。このような構成によれば、各流路の設計の自由度を向上させることができる。 Further, in the water discharge portion 4 of the faucet 2 of the present embodiment, the flow path forming portions 50 and 52 have a first flow path forming portion 50 and a second flow path forming portion 52. The first flow path forming portion 50 forms the first water discharge flow path 32 between the bottom portion 44 of the main body casing 9 and the tubular portion 48, and the second flow path forming portion 52 is the first flow path forming portion 50. It is fitted into the flow path forming portions 50 and 52 to form the bottom surface. The second flow path forming portion 52 forms a plurality of individual air flow paths 60, and the first flow path forming portion 50 is commonly connected to the plurality of individual air flow paths 60 and is connected to the internal space 38 of the connection portion 18. The common air flow path 40 to be connected is formed. According to such a configuration, the degree of freedom in designing each flow path can be improved.
 また本実施形態の水栓2の吐水部4では、共通空気流路40は、接続部18の内部空間38に対して横方向Cに拡径しており、複数の個別空気流路60は、共通空気流路40が接続部18の内部空間38に対して拡径した箇所に接続される。このような構成によれば、接続部18の内部空間38から共通空気流路40に空気が流入したときに空気が外側に広がって複数の個別空気流路60に流入しやすくなる。さらには、複数の個別空気流路60の内側のスペースを広くとることができ、第2吐水流路34を中心側に引き延ばすスペースを確保することができる。 Further, in the water discharge portion 4 of the faucet 2 of the present embodiment, the common air flow path 40 has a diameter expanded in the lateral direction C with respect to the internal space 38 of the connection portion 18, and the plurality of individual air flow paths 60 have. The common air flow path 40 is connected to a portion whose diameter is expanded with respect to the internal space 38 of the connecting portion 18. According to such a configuration, when air flows into the common air flow path 40 from the internal space 38 of the connection portion 18, the air spreads outward and easily flows into the plurality of individual air flow paths 60. Further, the space inside the plurality of individual air flow paths 60 can be widened, and the space for extending the second water discharge flow path 34 toward the center can be secured.
 また本実施形態の水栓2の吐水部4では、第2流路形成部52は、第1板状部材52Aと、第2板状部材52Bとを有する。第1板状部材52Aは、第1流路形成部50の共通空気流路40に主面を面して配置される板状の部材である。第2板状部材52Bは、第1板状部材52Aと主面どうしを重ねて配置され、流路形成部50、52の底面を形成する板状の部材である。複数の個別空気流路60は、第1板状部材52Aと第2板状部材52Bのそれぞれを厚み方向に貫通する空間として設けられている。第1板状部材52Aは、第2吐水流路34の一部を構成するように複数の個別空気流路60の外側で厚み方向に貫通する貫通流路58Aを形成する。第2板状部材52Bは、第2吐水流路34の一部を構成するように複数の個別空気流路60の内側で厚み方向に貫通する貫通流路58Bを形成する。第1板状部材52Aと第2板状部材52Bの主面どうしの間には、第1板状部材52Aの貫通流路58Aと第2板状部材52Bの貫通流路58Bを接続するように延びる接続流路としての貫通流路58Cが形成されている。貫通流路58Cは複数の個別空気流路60どうしの隙間を通って延びる。このような構成によれば、第2吐水流路34が屈曲する形状を第2流路形成部52において容易に実現することができる。 Further, in the water discharge portion 4 of the faucet 2 of the present embodiment, the second flow path forming portion 52 has a first plate-shaped member 52A and a second plate-shaped member 52B. The first plate-shaped member 52A is a plate-shaped member arranged so as to face the main surface of the common air flow path 40 of the first flow path forming portion 50. The second plate-shaped member 52B is a plate-shaped member that is arranged so that the first plate-shaped member 52A and the main surface are overlapped with each other and forms the bottom surfaces of the flow path forming portions 50 and 52. The plurality of individual air flow paths 60 are provided as spaces that penetrate each of the first plate-shaped member 52A and the second plate-shaped member 52B in the thickness direction. The first plate-shaped member 52A forms a through flow path 58A penetrating in the thickness direction on the outside of the plurality of individual air flow paths 60 so as to form a part of the second water discharge flow path 34. The second plate-shaped member 52B forms a through flow path 58B penetrating in the thickness direction inside a plurality of individual air flow paths 60 so as to form a part of the second water discharge flow path 34. The through-flow path 58A of the first plate-shaped member 52A and the through-flow path 58B of the second plate-shaped member 52B are connected between the main surfaces of the first plate-shaped member 52A and the second plate-shaped member 52B. A through flow path 58C is formed as an extending connection flow path. The through flow path 58C extends through a gap between a plurality of individual air flow paths 60. According to such a configuration, the shape in which the second water discharge flow path 34 is bent can be easily realized in the second flow path forming portion 52.
 また本実施形態の水栓2の吐水部4では、接続流路としての貫通流路58Cは、第2板状部材52Bの主面に設けた凹部62で構成される。このような構成によれば、接続流路を簡単に形成することができる。 Further, in the water discharge portion 4 of the faucet 2 of the present embodiment, the through flow path 58C as a connection flow path is composed of a recess 62 provided on the main surface of the second plate-shaped member 52B. According to such a configuration, the connection flow path can be easily formed.
 また本実施形態の水栓2の吐水部4では、第2板状部材52Bの凹部62に配置される第3板状部材52Cをさらに備え、第3板状部材52Cは、接続流路を構成するように厚み方向に貫通する貫通流路58Cを有する。このような構成によれば、第3板状部材52Cによって接続流路を容易に形成することができ、接続流路の設計の自由度も向上する。 Further, the water discharge portion 4 of the faucet 2 of the present embodiment further includes a third plate-shaped member 52C arranged in the recess 62 of the second plate-shaped member 52B, and the third plate-shaped member 52C constitutes a connection flow path. It has a through flow path 58C that penetrates in the thickness direction so as to. According to such a configuration, the connecting flow path can be easily formed by the third plate-shaped member 52C, and the degree of freedom in designing the connecting flow path is also improved.
 また本実施形態の水栓2の吐水部4では、第1流路形成部50は接続部18と一体的に構成され、第2流路形成部52は第1流路形成部50および接続部18とは別体で構成される。このような構成によれば、第1流路形成部50と接続部18を一体的に構成することで製造コストを低減することができる。また、第2流路形成部52を第1流路形成部50と別体で構成することで、各流路の設計の自由度が向上する。 Further, in the water discharge portion 4 of the faucet 2 of the present embodiment, the first flow path forming portion 50 is integrally configured with the connecting portion 18, and the second flow path forming portion 52 is the first flow path forming portion 50 and the connecting portion. It is composed of a separate body from 18. According to such a configuration, the manufacturing cost can be reduced by integrally configuring the first flow path forming portion 50 and the connecting portion 18. Further, by forming the second flow path forming portion 52 separately from the first flow path forming portion 50, the degree of freedom in designing each flow path is improved.
 また本実施形態の水栓2の吐水部4では、固定部材としてのネジ72をさらに備え、ネジ72は、第2流路形成部52を第1流路形成部50に固定するように、第2流路形成部52を貫通して第1流路形成部50に挿入される。このような構成によれば、ネジ72によって第2流路形成部52を第1流路形成部50に固定することができる。また、流路形成部50、52の中に封止用のパッキンを設ける場合には、第1流路形成部50に向けてパッキンを押し付ける作用を生じさせることができる。 Further, the water discharge portion 4 of the faucet 2 of the present embodiment is further provided with a screw 72 as a fixing member, and the screw 72 is such that the second flow path forming portion 52 is fixed to the first flow path forming portion 50. It penetrates the two flow path forming portions 52 and is inserted into the first flow path forming portion 50. According to such a configuration, the second flow path forming portion 52 can be fixed to the first flow path forming portion 50 by the screw 72. Further, when the packing for sealing is provided in the flow path forming portions 50 and 52, the action of pressing the packing toward the first flow path forming portion 50 can be generated.
 また本実施形態の水栓2は、上述した吐水部構造としての吐水部4を備える。このような構成によれば、吐水部4と同様の効果を奏することができる。 Further, the faucet 2 of the present embodiment includes the water discharge part 4 as the above-mentioned water discharge part structure. According to such a configuration, the same effect as that of the water discharge portion 4 can be obtained.
 なお、本発明は前記実施形態に限定されるものではなく、その他種々の態様で実施できる。例えば、上記実施形態では、空気吹出口24および個別空気流路60をそれぞれ周方向Rに間隔を空けて3か所に分けて設ける場合について説明したが、このような場合に限らない。空気吹出口24および個別空気流路60は、周方向Rに間隔を空けて少なくとも2か所に分けて設ければ、ストレート吐水用の第2吐水流路34を個別空気流路60どうしの隙間を通過するように配置することができる。あるいは、空気吹出口24および個別空気流路60をそれぞれ1つのみ設ける場合であっても、周方向Rに部分的に欠けた形状とすることで、その欠けた部分に第2吐水流路34を通過するように配置することができる。 The present invention is not limited to the above embodiment, and can be implemented in various other embodiments. For example, in the above embodiment, the case where the air outlet 24 and the individual air flow path 60 are provided separately at three locations at intervals in the circumferential direction R has been described, but the case is not limited to such a case. If the air outlet 24 and the individual air flow path 60 are provided at least in two places at intervals in the circumferential direction R, the second water discharge flow path 34 for straight water discharge is provided as a gap between the individual air flow paths 60. Can be arranged to pass through. Alternatively, even if only one air outlet 24 and one individual air flow path 60 are provided, the shape is partially chipped in the circumferential direction R, and the second water discharge flow path 34 is provided in the chipped portion. Can be arranged to pass through.
 本発明は、添付図面を参照しながら好ましい実施形態に関連して充分に記載されているが、この技術の熟練した人々にとっては種々の変形や修正は明白である。そのような変形や修正は、添付した特許請求の範囲による本発明の範囲から外れない限りにおいて、その中に含まれると理解されるべきである。また、実施形態における要素の組み合わせや順序の変化は、本発明の範囲および思想を逸脱することなく実現し得るものである。 Although the present invention has been fully described in connection with preferred embodiments with reference to the accompanying drawings, various modifications and modifications are obvious to those skilled in the art. It should be understood that such modifications and modifications are included within the scope of the invention as long as it does not deviate from the scope of the invention according to the appended claims. Further, changes in the combination and order of elements in the embodiments can be realized without departing from the scope and ideas of the present invention.
 本発明は、キッチン、洗面所、お風呂等に使用される水栓に有用である。 The present invention is useful for faucets used in kitchens, washrooms, baths, etc.
 2 水栓
 4 吐水部
 6 水ホース
 8 空気ホース
 9 本体ケーシング
 10 第1開口部
 12 第2開口部
 14 アタッチメント部材
 16 凹部
 18 接続部
 20 第1吐水口(膜状吐水口)
 22 第2吐水口(ストレート吐水口)
 24 空気吹出口
 30 内部空間
 32 第1吐水流路
 34 第2吐水流路
 36 内部空間
 38 内部空間
 40 共通空気流路(空気流路)
 42 給水口
 44 底部
 46 給気口
 48 筒状部
 50 第1流路形成部
 52 第2流路形成部
 52A 第1板状部材
 52B 第2板状部材
 52C 第3板状部材
 54 吸入口
 56、56A、56B、56C 貫通流路
 58、58A、58B、58C 貫通流路
 60 個別空気流路(空気流路)
 60A、60B、60C 貫通流路
 62 凹部
 64 凹部
 70 固定孔
 70A、70B、70C 貫通流路
 72 ネジ(固定部材)
 A 軸方向(厚み方向)
 C 横方向
 F 空気流
 R 周方向
 S1 膜状吐水流(第1吐水流)
 S2 ストレート吐水流(第2吐水流)
2 Faucet 4 Water spout 6 Water hose 8 Air hose 9 Main body casing 10 1st opening 12 2nd opening 14 Attachment member 16 Recess 18 Connection part 20 1st spout (membrane spout)
22 Second spout (straight spout)
24 Air outlet 30 Internal space 32 1st water discharge flow path 34 2nd water discharge flow path 36 Internal space 38 Internal space 40 Common air flow path (air flow path)
42 Water supply port 44 Bottom 46 Air supply port 48 Cylindrical part 50 First flow path forming part 52 Second flow path forming part 52A First plate-shaped member 52B Second plate-shaped member 52C Third plate-shaped member 54 Suction port 56, 56A, 56B, 56C Penetration flow path 58, 58A, 58B, 58C Penetration flow path 60 Individual air flow path (air flow path)
60A, 60B, 60C Through flow path 62 Recess 64 Recess 70 Fixing hole 70A, 70B, 70C Through flow path 72 Screw (fixing member)
A-axis direction (thickness direction)
C Lateral direction F Air flow R Circumferential direction S1 Membrane-like water discharge flow (first water discharge flow)
S2 straight spout flow (second spout flow)

Claims (10)

  1.  水栓の吐水部構造であって、
     水を供給する給水口および空気を供給する給気口をそれぞれ形成した底部と、前記給水口および前記給気口を内側に囲みながら前記底部から筒状に延びる筒状部とを有する本体ケーシングと、
     前記本体ケーシングの前記底部に接続して取り付けられるアタッチメント部材と、を備え、
     前記アタッチメント部材は、
      前記給気口に接続されて、前記給気口から供給される空気を内側に通過させる接続部と、
      前記本体ケーシングの前記底部および前記筒状部に対向して配置され、前記底部および前記筒状部との間に、前記給水口からの水を膜状に吐水するための第1吐水流路を形成する流路形成部と、を有し、
     前記流路形成部はその内部に、前記流路形成部の底面に設けたストレート吐水用の吐水口と前記第1吐水流路とを接続する第2吐水流路と、前記底面における前記吐水口の周囲に設けた空気吹出口と前記接続部の内部空間とを接続する空気流路とを形成する、水栓の吐水部構造。
    It is the structure of the spouting part of the faucet.
    A main body casing having a bottom portion in which a water supply port for supplying water and an air supply port for supplying air are formed, and a tubular portion extending in a tubular shape from the bottom portion while surrounding the water supply port and the air supply port inward. ,
    With an attachment member attached to the bottom of the main body casing,
    The attachment member is
    A connection portion that is connected to the air supply port and allows air supplied from the air supply port to pass inward.
    A first water discharge flow path is arranged so as to face the bottom portion and the tubular portion of the main body casing, and a first water discharge flow path for discharging water from the water supply port in a film form is provided between the bottom portion and the tubular portion. It has a flow path forming portion to be formed, and has
    Inside the flow path forming portion, a second spouting flow path for connecting a straight water spouting port provided on the bottom surface of the flow path forming portion and the first spouting flow path, and the spouting port on the bottom surface thereof are provided. A water discharge part structure of a faucet that forms an air flow path that connects an air outlet provided around the water outlet and the internal space of the connection part.
  2.  前記空気吹出口は、前記底面において周方向に間隔を空けて少なくとも2か所に分けて設けられており、前記空気流路は、前記空気吹出口のそれぞれに個別に接続される個別空気流路を複数有し、
     前記第2吐水流路は、前記複数の個別空気流路どうしの隙間を通って延びる、請求項1に記載の水栓の吐水部構造。
    The air outlets are provided at least at two locations on the bottom surface at intervals in the circumferential direction, and the air flow paths are individually connected to each of the air outlets. Have multiple
    The water discharge portion structure of the faucet according to claim 1, wherein the second water discharge flow path extends through a gap between the plurality of individual air flow paths.
  3.  前記流路形成部は、前記本体ケーシングの前記底部および前記筒状部との間に前記第1吐水流路を形成する第1流路形成部と、前記第1流路形成部に嵌め込まれて前記流路形成部の前記底面を形成する第2流路形成部と、を有し、
     前記第2流路形成部は、前記複数の個別空気流路を形成し、
     前記第1流路形成部は、前記複数の前記個別空気流路に共通して接続し且つ前記接続部の前記内部空間に接続する共通空気流路を形成する、請求項2に記載の水栓の吐水部構造。
    The flow path forming portion is fitted into the first flow path forming portion that forms the first water discharge flow path between the bottom portion and the tubular portion of the main body casing, and the first flow path forming portion. It has a second flow path forming portion that forms the bottom surface of the flow path forming portion, and has.
    The second flow path forming portion forms the plurality of individual air flow paths, and forms the plurality of individual air flow paths.
    The faucet according to claim 2, wherein the first flow path forming portion forms a common air flow path that is commonly connected to the plurality of individual air flow paths and is connected to the internal space of the connection portion. Water discharge part structure.
  4.  前記共通空気流路は、前記接続部の前記内部空間に対して横方向に拡径しており、
     前記複数の個別空気流路は、前記共通空気流路が前記接続部の前記内部空間に対して拡径した箇所に接続される、請求項3に記載の水栓の吐水部構造。
    The common air flow path has a diameter expanded laterally with respect to the internal space of the connection portion.
    The water discharge portion structure of the faucet according to claim 3, wherein the plurality of individual air flow paths are connected to a portion where the common air flow path is connected to a portion where the diameter of the common air flow path is expanded with respect to the internal space of the connection portion.
  5.  前記第2流路形成部は、前記第1流路形成部の前記共通空気流路に主面を面して配置される第1板状部材と、前記第1板状部材と主面どうしを重ねて配置され、前記流路形成部の前記底面を形成する第2板状部材とを有し、
     前記第1板状部材と前記第2板状部材のそれぞれを厚み方向に貫通する空間として前記複数の個別空気流路が設けられており、
     前記第1板状部材は、前記第2吐水流路の一部を構成するように前記複数の個別空気流路の外側で前記厚み方向に貫通する貫通流路を形成し、前記第2板状部材は、前記第2吐水流路の一部を構成するように前記複数の個別空気流路の内側で前記厚み方向に貫通する貫通流路を形成し、
     前記第1板状部材と前記第2板状部材の前記主面どうしの間には、前記第1板状部材の前記貫通流路と前記第2板状部材の前記貫通流路を接続するように前記主面に沿って延びる接続流路が形成されており、
     前記接続流路は、前記複数の個別空気流路どうしの前記隙間を通って延びる、請求項3又は4に記載の水栓の吐水部構造。
    The second flow path forming portion includes a first plate-shaped member arranged so as to face the common air flow path of the first flow path forming portion, and the first plate-shaped member and the main surface of each other. It has a second plate-shaped member that is arranged on top of each other and forms the bottom surface of the flow path forming portion.
    The plurality of individual air flow paths are provided as spaces penetrating each of the first plate-shaped member and the second plate-shaped member in the thickness direction.
    The first plate-shaped member forms a penetrating flow path penetrating in the thickness direction outside the plurality of individual air flow paths so as to form a part of the second water discharge flow path, and the second plate-shaped member is formed. The member forms a through flow path penetrating in the thickness direction inside the plurality of individual air flow paths so as to form a part of the second water discharge flow path.
    The through-flow path of the first plate-shaped member and the through-flow path of the second plate-shaped member are connected between the first plate-shaped member and the main surfaces of the second plate-shaped member. A connection flow path extending along the main surface is formed in the main surface.
    The water discharge portion structure of a faucet according to claim 3 or 4, wherein the connection flow path extends through the gap between the plurality of individual air flow paths.
  6.  前記接続流路は、前記第2板状部材の前記主面に設けた凹部で構成される、請求項5に記載の水栓の吐水部構造。 The water discharge portion structure of the faucet according to claim 5, wherein the connection flow path is composed of a recess provided on the main surface of the second plate-shaped member.
  7.  前記第2板状部材の前記凹部に配置される第3板状部材をさらに備え、
     前記第3板状部材は、前記接続流路を構成するように厚み方向に貫通する貫通流路を形成する、請求項6に記載の水栓の吐水部構造。
    A third plate-shaped member arranged in the recess of the second plate-shaped member is further provided.
    The water discharge portion structure of the faucet according to claim 6, wherein the third plate-shaped member forms a through flow path penetrating in the thickness direction so as to form the connection flow path.
  8.  前記第1流路形成部は前記接続部と一体的に構成され、前記第2流路形成部は前記第1流路形成部および前記接続部とは別体に構成される、請求項3から7のいずれか1つに記載の水栓の吐水部構造。 From claim 3, the first flow path forming portion is integrally configured with the connection portion, and the second flow path forming portion is configured separately from the first flow path forming portion and the connection portion. The water discharge part structure of the faucet according to any one of 7.
  9.  前記第2流路形成部を前記第1流路形成部に固定するように、前記第2流路形成部を貫通して前記第1流路形成部に挿入される固定部材をさらに備える、請求項8に記載の水栓の吐水部構造。 A claim further comprising a fixing member that penetrates the second flow path forming portion and is inserted into the first flow path forming portion so as to fix the second flow path forming portion to the first flow path forming portion. Item 8. The faucet spouting portion structure according to item 8.
  10.  請求項1から9のいずれか1つに記載の前記吐水部構造を備える水栓。 A faucet having the water discharge portion structure according to any one of claims 1 to 9.
PCT/JP2021/019588 2020-06-30 2021-05-24 Water discharge part structure for faucet, and faucet provided with same WO2022004194A1 (en)

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JPH05140973A (en) * 1991-11-25 1993-06-08 Hitachi Ltd Faucet for fluid
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JPS51148251A (en) * 1975-06-12 1976-12-20 Tokyo Shokai:Kk Cock for supplying clean water
JPH05140973A (en) * 1991-11-25 1993-06-08 Hitachi Ltd Faucet for fluid
WO2015141000A1 (en) * 2014-03-20 2015-09-24 株式会社タカギ Water faucet device having bactericidal function, and sink
KR20160003378U (en) * 2015-03-23 2016-10-05 주식회사 콜러노비타 Hand dry apparatus of faucet
CN208243477U (en) * 2017-08-28 2018-12-18 中国葛洲坝集团机电建设有限公司 A kind of water-saving apparatus for shower bath

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