JP2021071020A - Hand-washing water discharge port for toilet - Google Patents

Abstract

To provide a low-cost hand-washing water discharge port for toilet.SOLUTION: A hand-washing water discharge port 50 for toilet comprises: a curved water passage portion 51 whose downstream end communicates with an outflow port 50B where water flows out, in which a curved flow path 51A with a curved flow path direction A is formed; and a linear water passage portion 53 whose upstream end communicates with an inflow port 50A where water flows in, in which a linear flow path 53A with a flow path direction B extending linearly is formed. The upstream end of the curved flow path 51A and the downstream end of the linear flow path 53A communicate with each other, and the curved water passage portion 51 and the linear water passage portion 53 are integrally molded.SELECTED DRAWING: Figure 2

Description

The present disclosure relates to a hand-washing water spout for toilets.

Patent Document 1 discloses a hand washing device installed in a toilet, a washbasin, or the like. This hand-washing device includes a hand-washing device and a water discharge member provided in a state of standing upright from the hand-washing device.

Japanese Unexamined Patent Publication No. 2015-204990

This water discharge member is configured by connecting two separate parts, a main body portion and an insertion shaft portion. For example, when the surface of the main body is plated, if the portion where the main body and the insertion shaft are in contact with each other is plated, the main body and the insertion shaft may not be well connected. Therefore, in order to prevent plating on the inner surface of the main body portion that comes into contact with the insertion shaft portion due to connection, masking or the like is performed on this portion before plating. As a result, this water discharge member may be costly because it takes time and effort for masking and assembling.

The present disclosure has been made in view of the above-mentioned conventional circumstances, and it is an issue to be solved to provide a hand-washing spout for toilets at a low cost.

In the hand-washing water spouting tool for toilets of the present disclosure, the downstream end communicates with the outlet where water flows out, and the curved water passage portion in which the curved flow path is formed in the direction of the flow path and the inflow port where water flows in. The upstream end of the curved flow path and the linear flow path are provided with a linear water passage portion in which a linear flow path extending linearly in the flow path direction is formed inside. The downstream end communicates with each other, and the curved water passage portion and the linear water passage portion are integrally molded.

FIG. 1 is a cross-sectional view of a hand washing device using the hand washing water spouting tool for the toilet of the first embodiment. FIG. 2 is a cross-sectional view of the hand-washing water discharge tool for the toilet of the first embodiment. FIG. 3 is a side view of the hand-washing water discharge device for the toilet of the first embodiment as viewed from the side. FIG. 4 is a cross-sectional view taken along the line AA in FIG. FIG. 5 is a cross-sectional view taken along the line BB in FIG. FIG. 6 is a cross-sectional view taken along the line CC in FIG. FIG. 7 is a cross-sectional view taken along the line DD in FIG. FIG. 8 is a cross-sectional perspective view of the cross section of the hand-washing water spouting tool for the toilet of the first embodiment as viewed from diagonally below. FIG. 9 is a cross-sectional view taken along the line EE in FIG. FIG. 10 is a cross-sectional view taken along the line FF in FIG. FIG. 11 is a cross-sectional view taken along the line GG in FIG.

<Embodiment 1>
The hand-washing device to which the hand-washing water spouting device for the toilet of the first embodiment is attached is provided at the upper end of the tank accommodating portion for accommodating the washing water tank in the toilet unit. However, the washing water tank and the tank housing are not shown.

[Configuration of hand washing device]
As shown in FIG. 1, the hand washing device 1 includes a hand washing device 20 and a hand washing spouting tool 50 for a toilet. The hand washer 20 has a pot portion 21 and a peripheral wall portion 29. The hand wash basin 20 is made of pottery. The pot portion 21 has a pot surface 23 that receives water discharged from the hand-washing water spouting tool 50 for toilets. A drainage port 25 is formed at the bottom of the pot portion 21. The pot surface 23 is inclined downward toward the drain port 25. The bottom of the pot portion 21 is provided with a drainage cylinder portion 27 that communicates with the drainage port 25 and projects downward (upper and lower are the left and right sides in FIG. 1) in a tubular shape, and the drainage cylinder portion 27 is provided with a drainage cylinder portion 27. One end of the drain pipe is connected. However, the drainage pipe is not shown.

The peripheral wall portion 29 is formed so as to extend downward from the upper end edge portion of the pot portion 21, and is provided so as to surround the pot portion 21 from the side. At the lower end of the peripheral wall portion 29 surrounding the back side of the pot portion 21 (the back side is the right side in FIG. 1), a flat plate portion 24 extending laterally in a flat plate shape toward the pot portion 21 is provided. ing.

The hand wash device 20 is formed with a mounting portion 30 for attaching the hand wash spouting tool 50 for the toilet. The mounting portion 30 has a seat surface 31, a mounting hole 32, a mounting hole 33, and a mounting space 34. The seat surface 31 is a part of the pot surface 23. The seat surface 31 is in contact with the flange portion 51B provided at the upstream end of the curved water passage portion 51, which will be described later, of the hand-washing water discharge tool 50 for toilets. The seat surface 31 is inclined downward toward the drain port 25.

The mounting hole 32 is formed so as to penetrate the pot portion 21 corresponding to the central portion of the seat surface 31 in the vertical direction. The mounting hole 33 is formed so as to penetrate the flat plate portion 24 in the vertical direction. The mounting space 34 is a space formed below the mounting hole 33. The mounting space 34 is a space in which a mounting member such as a nut can be arranged when the hand-washing water discharge tool 50 for the toilet is mounted on the hand-washing device 20.

[Composition of hand-washing water spout for toilet]
The toilet hand wash spout 50 is made of, for example, a synthetic resin and is formed by injection molding. As shown in FIGS. 2 and 3, the hand-washing water discharge tool 50 for a toilet is formed by forming an inflow port 50A into which water flows in at one end and an outflow port 50B in which water flows out at the other end. The inflow port 50A of the hand-washing water discharge tool 50 for the toilet is the upstream end, and the outflow port 50B is the downstream end. The hand-washing water discharge tool 50 for toilets includes a curved water passage portion 51 and a linear water passage portion 53. The curved water passage portion 51 has a curved flow path 51A in which the downstream end communicates with the outlet 50B of the hand-washing water discharge tool 50 for the toilet and the flow path direction A is curved in an arc shape. The arc shape is not limited to a circular arc having a single curvature, but includes a shape in which arcs having different curvatures are connected, an elliptical arc, a shape that is smoothly curved such as a quadratic curve, and the like. The cross-sectional area of the curved flow path 51A in the direction orthogonal to the flow path direction A is smaller at the downstream end of the curved flow path 51A than at the upstream end of the curved flow path 51A. A flange portion 51B is provided at the upstream end of the curved water passage portion 51 so as to spread outward.

The curved flow path 51A is formed so that the cross-sectional area in the direction orthogonal to the flow path direction A gradually increases from the downstream end to the upstream end. As shown in FIGS. 2, 4, 9, 10 and 11, the curved water passage portion 51 is formed with a lightening portion 51C so as to surround the curved flow path 51A. From the central portion to the downstream end of the curved water passage portion 51 in the flow path direction A, the lightening portion 51C is formed so as to cover the upper side and the side of the curved water passage portion 51A (see FIGS. 4 and 11). ). At the upstream end of the curved water passage portion 51 in the flow path direction A, the lightening portion 51C is formed so as to cover the periphery of the curved flow path 51A (see FIGS. 9 and 10).

As shown in FIG. 2, in the curved flow path 51A, each of the curved inner side and the curved outer side is curved in an arc shape having a single radius of curvature Ri, Ro in the flow path direction. In the curved flow path 51A, the size of the arc-shaped inner radius of curvature Ri is smaller than that of the arc-shaped outer radius of curvature Ro. The positions of the centers of the radius of curvature Ri and Ro are different from each other. However, the positions of the centers of the radius of curvature Ri and Ro are not shown.

As shown in FIGS. 4 and 5, the cross-sectional shape of the curved flow path 51A in the direction orthogonal to the flow path direction A is different between the upstream end portion of the curved flow path 51A and the downstream end portion of the curved flow path 51A. Specifically, the cross-sectional shape of the curved flow path 51A at the downstream end in the direction orthogonal to the flow path direction A is a semicircular shape surrounded by an arcuate side B1 and a straight side B2 (FIG. See 4.). The cross-sectional shape of the curved flow path 51A at the upstream end in the direction orthogonal to the flow path direction A is a pair of sides B5 in which both ends of the semicircular side B3 and both ends of the side B3 and both ends of the linear side B4 are curved outward. , B6 connected polygonal shapes (see FIG. 5).

As shown in FIG. 2, the linear water passage portion 53 has a linear flow path 53A in which the upstream end communicates with the inflow port 50A of the hand-washing water discharge tool 50 for toilets and the flow path direction B extends linearly. It is formed. The cross-sectional area of the outer shape of the linear water passage portion 53 in the direction orthogonal to the flow path direction B is the same from the downstream end to the upstream end. The outer shape of the linear water passage portion 53 orthogonal to the flow path direction B is a shape in which a part of the circular shape is cut into a straight line (see FIG. 6). A thread 53B is formed on the outer peripheral surface of the linear water passage portion 53 from the upstream end to the downstream end, except for the portion cut in a straight line.

The linear flow path 53A has a circular cross-sectional shape orthogonal to the flow path direction B from the upstream end to the downstream end. The linear flow path 53A has the same cross-sectional area in the direction orthogonal to the flow path direction B from the upstream end portion to the downstream end portion. At the downstream end of the linear flow path 53A, the cross-sectional shape orthogonal to the flow path direction B is a shape in which a part of the circular shape is cut by two parallel straight lines with the central axis of the circular shape in between. Specifically, at the downstream end of the linear flow path 53A, the cross-sectional shape orthogonal to the flow path direction B is, as shown in FIG. 7, two arcuate lines E1 and E2 and two parallel straight lines T1. It is a shape formed by T2.

The cross-sectional area of the downstream end of the linear flow path 53A orthogonal to the flow path direction B gradually decreases toward the downstream end. Specifically, as shown in FIG. 8, a pair of slopes S1 and S2 are formed at the downstream end of the linear flow path 53A with the central axis of the linear flow path 53A interposed therebetween. These slopes S1 and S2 are formed in a plane shape so that the dimension between them becomes smaller in the direction toward the downstream end of the linear flow path 53A.

As shown in FIG. 2, the linear flow path 53A has cross-sectional straight lines C and D parallel to each other. The term "parallel" is not limited to strict parallelism, but also includes a state in which the cross-sectional straight lines C and D are slightly deviated from strict parallelism. At the upstream end of the linear flow path 53A, a surface 53C is formed so as to expand toward the upstream end. The surface 53C is provided so that when one end of the water supply pipe P (see FIG. 1) that supplies water to the linear flow path 53A is inserted into the linear flow path 53A, one end of the water supply pipe P can be easily inserted. It is formed. The linear flow path 53A does not directly contact the inner peripheral surface with water, but indirectly passes through the water supply pipe P.

In the hand-washing water discharge tool 50 for toilets, the upstream end of the curved flow path 51A and the downstream end of the linear flow path 53A communicate with each other, and the curved water passage portion 51 and the linear water passage portion 53 are integrally molded. Specifically, as shown in FIGS. 7 and 8, the downstream end of the linear flow path 53A and the upstream end of the curved flow path 51A communicate with each other at the downstream end of the linear flow path 53A and the curved flow path. A connecting surface 50C that connects the 51A is formed.

The connecting surface 50C has a first connecting surface 50D and a second connecting surface 50E. The first connecting surface 50D is surrounded by circular lines E1 and E2 at the downstream end of the linear flow path 53A, circular sides B3 at the upstream end of the curved flow path 51A, and a straight line T1. The second connecting surface 50E is surrounded by circular lines E1 and E2 at the downstream end of the linear flow path 53A, a straight side B4 at the upstream end of the curved flow path 51A, and a straight line T2.

As shown in FIG. 2, the virtual path V is considered virtually. The virtual path V is a flow path in which the curved flow path 51A is virtually extended to the upstream side with the same curvature. The radius of curvature Rvi in the curved inner flow path direction A of the virtual path V is the same as the curved inner radius of curvature Ri of the curved flow path 51A. The radius of curvature Rvo in the curved outer flow path direction A of the virtual path V is the same as the curved outer radius of curvature Ro of the curved flow path 51A. The virtual path V fits in the linear flow path 53A. The cross-sectional area of the virtual path V gradually increases in the direction orthogonal to the flow path direction A from the upstream end to the upstream side of the curved flow path 51A. The cross-sectional area of the virtual path V in the direction orthogonal to the flow path direction A is larger than the cross-sectional area of the curved flow path 51A in the direction orthogonal to the flow path direction A. The virtual path V located in the linear flow path 53A does not intersect the inner peripheral surface of the linear flow path 53A.

The hand-washing water discharge tool 50 for a toilet formed in this way is arranged so that the flange portion 51B of the curved water-passing portion 51 abuts on the seat surface 31 of the hand-washing device 20, and the curved water-passing portion 51 and the linear water-passing portion 53 At least one of them is inserted into the mounting hole 32 and the mounting hole 33 of the mounting portion 30 of the hand wash device 20. The tip of the linear water passage portion 53 inserted into the mounting holes 32 and 33 projects downward from the mounting holes 32 and 33. The tip of the linear water passage portion 53 is arranged in the mounting space 34 formed below the mounting hole 33. A nut is tightened to the tip of the linear water passage portion 53 projecting downward from the flat plate portion 24. The nut is arranged in the mounting space 34. However, the nut is not shown. As a result, the hand-washing water spouting tool 50 for the toilet is fixed to the hand-washing device 20. One end of a water supply pipe that supplies water is inserted into the linear flow path 53A. However, the water supply pipe is not shown.

A ring-shaped seal member is arranged between the flange portion 51B of the linear water passage portion 53 and the seat surface 31 of the hand wash device 20. However, the seal member is not shown. The sealing member is formed of, for example, flexible rubber or the like. The seal member suppresses water leakage from the mounting hole 32 of the hand wash device 20.

As described above, in the toilet hand-washing water discharge tool 50, since the curved water passage portion 51 and the linear water passage portion 53 are integrally molded, it is not necessary to assemble them.

Therefore, the cost of the hand-washing water spouting tool 50 for toilets of the present disclosure can be suppressed.

In the hand-washing water discharge tool 50 for toilets, the virtual path V continuously communicating with the curved flow path 51A extends into the linear flow path 53A, and the virtual path V has the same radius of curvature as the curved flow path 51A. Therefore, when the hand-washing water discharge tool 50 for the toilet is molded, the mold piece forming the linear flow path 53A is released, and then the curved flow path is released when the piece forming the curved flow path 51A is released. It is possible to prevent the piece forming the 51A from coming into contact with the linear flow path 53A.

The curved flow path 51A of the hand-washing water spouting tool 50 for toilets has a curved inner side and a curved outer side curved in an arc shape with a single radius of curvature Ri, Ro in the flow path direction A, and the curved inner side of the virtual path V. The radius of curvature Rvi in the flow path direction A is the same as the radius of curvature Ri on the curved inner side of the curved flow path 51A, and the radius of curvature Rvo in the curved outer flow path direction A of the virtual path V is the radius of curvature Rvo of the curved flow path 51A. It is the same as the curved outer radius of curvature Ro. Therefore, the piece forming the curved flow path 51A can be formed in an arc shape having a single radius of curvature up to the virtual path V, and it is easy to manufacture the piece of the mold.

At least one of the curved water passage portion 51 and the linear water passage portion 53 of the hand-washing water discharge tool 50 for the toilet is inserted into the attachment holes 32 and 33 of the attachment portion 30. Therefore, since the linear water passage portion 53 is inserted into the mounting holes 32 and 33 of the mounting portion 30, the hand-washing water spouting tool 50 for the toilet can be satisfactorily positioned and arranged with respect to the mounting portion 30. ..

The tip of the linear water passage portion 53 of the hand-washing water spouting tool 50 for the toilet is arranged in the attachment space 34 of the attachment portion 30. Therefore, a mounting member such as a nut can be easily assembled to the tip of the linear water passage portion 53 arranged in the mounting space 34.

The cross-sectional area of the hand-washing water spouting tool 50 for toilets in the direction orthogonal to the flow path direction A of the curved flow path 51A is smaller at the downstream end of the curved flow path 51A than at the upstream end of the curved flow path 51A. Therefore, it is possible to form a draft of the mold piece forming the curved flow path 51A, and when water is passed through the curved flow path 51A, the speed of water flow increases as the water flows toward the outlet 50B. , The time from the opening of the valve until the water reaches the outlet 50B can be shortened.

The cross-sectional shape of the hand-washing water spouting tool 50 for toilets in the direction orthogonal to the flow path direction A of the curved flow path 51A differs between the upstream end portion of the curved flow path 51A and the downstream end portion of the curved flow path 51A. Therefore, the flow of water in the cross-sectional shape of the curved flow path 51A can be adjusted to a desired flow.

The present disclosure is not limited to the first embodiment described by the above description and drawings, and for example, the following embodiments are also included in the technical scope of the crushing apparatus of the present disclosure.
(1) In the first embodiment, it is exemplified that the hand-washing water spouting tool for the toilet is made of synthetic resin. Not limited to this, the hand-washing water spout for the toilet may be made of metal.
(2) In the first embodiment, it is disclosed that the hand washing machine is made of pottery. Not limited to this, the hand washer may be made of synthetic resin.
(3) In the first embodiment, a lightening portion is formed. Not limited to this, the structure may be such that the lightening portion is not formed according to the outer shape of the curved water passage portion.
(4) In the first embodiment, it is disclosed that the cross-sectional shape at the downstream end of the curved flow path in the direction orthogonal to the flow path direction is a semicircular shape. Not limited to this, other cross-sectional shapes may be used.
(5) In the first embodiment, it is disclosed that the cross-sectional shape at the upstream end portion of the curved flow path in the direction orthogonal to the flow path direction is a polygonal shape. Not limited to this, other cross-sectional shapes may be used.
(6) In the first embodiment, each of the arcuate inner side and the arcuate outer side of the curved flow path is formed with a uniform radius of curvature. Not limited to this, any shape may be used as long as it spreads in the direction of removing the mold piece. For example, it is also possible to form each of the arcuate inner side and the arcuate outer side of the curved flow path with a plurality of radiuses of curvature.

It should be considered that the embodiments disclosed this time are exemplary in all respects and not restrictive. The scope of this disclosure is not limited to the embodiments disclosed this time.

50A ... Inflow port, 50B ... Outlet, 51 ... Curved water passage, 51A ... Curved flow path, 53 ... Linear water passage, 53A ... Linear flow path, V ... Virtual path

Claims (7)

A curved water passage part where the downstream end communicates with the outlet where water flows out and a curved flow path with a curved flow path direction is formed inside.
It is provided with a linear water passage portion in which an upstream end communicates with an inflow port into which water flows in and a linear flow path extending linearly in the flow path direction is formed inside.
The upstream end of the curved flow path and the downstream end of the linear flow path communicate with each other.
A hand-washing water discharge tool for toilets in which the curved water passage portion and the linear water passage portion are integrally molded. A virtual path that continuously communicates with the curved flow path extends into the linear flow path,
The hand-washing water discharge tool for a toilet according to claim 1, wherein the virtual road has at least the same radius of curvature as a part of the curved flow path. In the curved flow path, each of the curved inner side and the curved outer side is curved in an arc shape having a single radius of curvature in the flow path direction.
The radius of curvature in the curved inner flow path direction of the virtual path is the same as the curved inner radius of curvature of the curved flow path, and the radius of curvature in the curved outer flow path direction of the virtual path is the curvature. The hand-washing water discharger for a toilet according to claim 2, which has the same radius of curvature as the curved outer side of the flow path. The hand-washing water spouting tool for toilets according to any one of claims 1 to 3, wherein at least one of the curved water passage portion and the linear water passage portion is inserted into the mounting hole of the mounting portion. .. The hand-washing water spouting tool for a toilet according to claim 4, wherein the tip portion of the linear water passage portion is arranged in the mounting space of the mounting portion. According to claims 1 to 5, the cross-sectional area in the direction orthogonal to the flow path direction of the curved flow path is smaller at the downstream end of the curved flow path than at the upstream end of the curved flow path. The hand-washing water spouting tool for toilets described in any one of the items. Any one of claims 1 to 6, wherein the cross-sectional shape in the direction orthogonal to the flow path direction of the curved flow path differs between the upstream end portion of the curved flow path and the downstream end portion of the curved flow path. Hand wash and spouting equipment for toilets described in item 1.

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