JP2562803Y2 - Urinal water supply fittings - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water supply pipe coupling for a urinal, and more particularly to a water supply pipe coupling for a urinal in which a water supply pipe is incorporated on the back side of the urinal.

[0002]

2. Description of the Related Art Conventionally, a method of supplying water by providing a pipe above a urinal is known. However, in such a method, the pipe is exposed, so that it is easily affected by moisture and the like. Besides, in addition to the drawbacks such as being easily mischievous, the appearance is poor because the pipe portion is exposed from the outside. Therefore, in order to solve such a problem, a system is adopted in which the pipe portion is integrated into the urinal body.

[0003]

However, in the conventional built-in piping system, however, the pipe distance from the end of the water supply pipe protruding from the wall side of the house to the end of the built-in piping portion (for example, a water stopcock) on the urinal body side. However, since there is a difference between the construction of the urinal and the installation, there is a problem in that it is difficult to construct the piping between the end of the water supply pipe and the end of the built-in piping. In addition, there is also a problem that the built-in piping portion is shaken by an impact due to a water hammer action or the like and comes into contact with the urinal body, leading to cracks and cracks.

The present invention has been made in view of the above-mentioned conventional problems, and has as its object to provide a pipe between an end of a water supply pipe and a built-in end of a urinal body (water stopcock). Even if the distance is different between construction and installation,
A water supply pipe joint for a urinal that can easily perform piping work, prevent water leakage from the pipe end , and also prevent cracks and cracks caused by run-out of the built-in pipe. To provide.

[0005]

In order to solve the above-mentioned problems, the present invention relates to a urinal body 1 having a rear surface 1b abutting against a wall surface 22 and a bottom surface 1d mounted on a floor surface 14. A water stopcock 2 is provided on the end of the water supply pipe 4 provided on the wall surface 22 side or the floor surface 14 side.
While connected to one another via a flexible tube 3 with 7,
A portion of the flexible tube 3 that contacts at least the urinal body 1
3c is covered with a cover material 20 .

[0006]

According to the first aspect of the present invention, the water stopcock 2 provided on the back 1b of the urinal body 1 and the end 4a of the water supply pipe 4 provided on the wall 22 or the floor 14 are provided. To the curved part 1
7 are connected to each other through the flexible pipe 3 having the pipe 7, for example, the pipe distances L ₁ and L ₂ between the end 4 a of the water supply pipe 4 and the water stopcock 2 on the urinal body 1 side are reduced. Even if it is different between the time of construction and the time of installation, the distance difference (L ₂ −L ₁ ) can be absorbed by the curved portion 17, and piping work of the urinal body 1 can be facilitated. In addition, the load applied to the flexible tube 3 when the urinal body 1 is installed is received by the curved portion 17 so that no load is applied to the tube ends 3a and 3b of the flexible tube 3, and the tube end 3a,
3b can prevent water leakage. In addition,
At least a portion 3c of the flexible tube 3 that contacts the urinal body 1
Is covered with the cover material 20.
The material 20 is composed of, for example, either a dew-proof material or a cushioning material.
As a result, the flexible tube 3 is impacted by water hammer or the like.
Cracks and splits as before
This can be prevented by the cover member 20 .

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, a piping section is incorporated into the urinal body 1 and a water stopcock 2 at the end of the incorporating piping section is connected to a flexible pipe 3.
The structure of the water supply pipe joint A of the urinal connected to the end portion 4a of the water supply pipe 4 through the above is exemplified. As shown in FIG. 1A, a bowl surface 6 surrounded by an annular rim 5 is provided on a front portion 1 a of the urinal body 1, and a discharge nozzle 7 is provided at the upper center of the bowl surface 6. A human body sensor 8 for detecting a human body is provided above the discharge nozzle 7. On the other hand, a drain passage for draining water from the trap 9 to the sewer through the drain joint 10 (see FIG. 4A) is formed below the bowl surface 6.

FIG. 4 shows the interior of the urinal body 1.
(A) As shown in (b), a control unit 12 with a dry battery 11 and a solenoid valve block (not shown) are built in, and a lid 14 detachably fitted to the side surface of the urinal body 1 is removed. Thereby, the control unit 12 with the dry battery 11 can be taken out. When the human body sensor 8 detects the presence of a human body, and the detection signal is transmitted to the control unit 12, the control unit 12 opens and closes the solenoid valve block based on the detection signal, and the urinal body 1 The amount of water supply to a built-in piping section (not shown) inside the can be controlled. The built-in piping section has a downstream end in the water supply direction communicating with the discharge nozzle 7 and an upstream end in the water supply direction provided on the back surface 1b of the urinal body 1 as shown in FIG. It is connected to the faucet 2. The water stopcock 2 includes a nipple portion connected to a flexible tube 3 described later, and is disposed at a position exposed from the back cover 1c of the urinal body 1 so that a user can freely open and close the water stopcock. ing.

The water stopcock 2 is connected via a flexible pipe 3 shown in FIG. 2 to an end 4a of a water supply pipe (water pipe) 4 protruding from a floor surface 14 of the house. In the figure, reference numeral 15 denotes a watertight packing. The flexible tube 3 has one end 3a connected to the water stopcock 2, the other end 3b connected to a joint provided at the end 4a of the water supply pipe 4, and a curved portion provided at the center. 17 are provided. The bending portion 17 is formed in a substantially S-shaped shape that is stretchable and stretchable, and the length of the pipe distance generated between the end 4a of the water supply pipe 4 and the water stopcock 2 on the urinal body 1 side during construction and installation. It serves to absorb the difference to facilitate the piping work, and to receive the load applied to the pipe ends 3a and 3b to prevent water leakage. Here, the shape of the curved portion 17 is, for example, as shown in FIG.
In addition to the S-shape or inverted S-shape shown in FIG.
U-shape or inverted U-shape shown in (d), ring-shape shown in FIGS. 3E and 3F, C-shape or inverted C-shape shown in FIGS.
It may be in the shape of a letter or any other shape. In short, any shape may be used as long as it has both functions of absorbing the difference in pipe distance and absorbing the load. Further, a portion 3c of the flexible tube 3 which contacts the urinal body 1 is covered with a plurality of (three in this embodiment) cover members 20, as shown in FIG.
I have. As the material of the cover material 20, for example, a heat insulating material, a dew-proof material, a cushioning material, an elastic material, and the like can be considered. Cracks and cracks due to contact between the flexible tube 3 and the urinal body 1 can be effectively prevented. Note that the cover member 20 may be integrated without being divided into a plurality of parts, and may further cover a portion 3 d that does not contact the urinal body 1. Further, FIG. 1 (c), FIG.
In FIG. 3 and FIG.
The illustration of the cover member 20 is omitted.

In the above configuration, when the urinal is placed on the floor surface 14, as shown in FIG. 1 (c), the urinal body 1 is pulled toward the user so as to hold it, and the urinal body 1 is exposed to the rear part 1b. One end 3a of the flexible tube 3 is connected to the water stopcock 2 and the other end 3b of the flexible tube 3 is connected to the floor 1 of the house.
4 is screwed to the end 4a of the water supply pipe 4 projecting therefrom. Then, the bottom portion 1d of the urinal body 1 is placed on the floor surface 14 with the rear portion 1b of the urinal body 1 in contact with the wall surface 22. As another example, as shown in FIGS.
After performing the above-described piping work in a state where the back portion 1b of the urinal body 1 is inclined with respect to the wall surface 22, the back portion 1b may be brought into contact with the wall surface 22 and installed on the floor surface 14. . 6 (a) and 6 (b)
As shown in the figure, the distance difference (L ₂ -L
₁ ) occurs, but by using the flexible tube 3 having the curved portion 17, when the urinal body 1 is installed, the above distance difference is absorbed by the expansion and contraction action of the curved portion 17, and the urinal body 1 Can be installed smoothly. In addition, the load applied to the flexible tube 3 when the urinal body 1 is installed is received by the elastic curved portion 17, so that no load is applied to the tube ends 3a and 3b of the flexible tube 3. . Here, when the connection is performed using a normal flexible tube having no curved portion 17, the distance difference (L ₂ −L
_{According to 1} ), a load may be applied to the end of the flexible tube when the urinal body is installed, and water may leak from the end of the flexible tube. By adopting a structure in which no load is applied, the pipe ends 3a, 3
It is possible to reliably prevent water from leaking from b.

Further , the central portion of the flexible tube 3 where the curved portion 17 is provided is not supported at all, and the portion contacts the urinal body 1 due to impact by water hammer or the like, and・
In order to prevent a crack from occurring, at least a portion 3c of the flexible tube 3 which is in contact with the urinal body 1 is covered with a cover material 20 made of, for example, either a dew-proof material or a buffer material. I have. As a result, the cracks and cracks can be effectively prevented, and there is an advantage that the reliability of the construction is greatly improved.

FIG. 8 shows another embodiment of the present invention.
(A) As shown in (b), the other end 3b of the flexible pipe 3 may be attached to the end 4a of the water supply pipe 4 protruding from the wall surface 22 of the house. In this case, the end 4a of the water supply pipe 4
A nipple 24 is suspended from the nipple 24 via an elbow 23, and the other end 3 b of the flexible tube 3 is bent into a U-shape and connected from below the nipple 24 so that the water supply pipe 4 can be connected to the wall surface 22. Piping work with the flexible pipe 3 can be performed, so that it is possible to sufficiently cope with a site where the water supply pipe 4 cannot be started from the floor surface 14.

[0013]

[Effect of the Invention] As described above, the invention of claim 1 is:
A water stopcock is provided on the back of the urinal body, and the water stopcock and the end of the water supply pipe provided on the wall surface or floor side are connected to each other via a flexible tube having a curved portion. Therefore, even when the pipe distance between the end of the water supply pipe and the water stopcock on the urinal body side is different between the construction and installation of the urinal body, the distance difference due to the curved portion. Can be absorbed, facilitating the plumbing of the urinal body,
The load applied to the flexible tube at the time of the installation is received by the curved portion, so that water leakage from the tube end can be prevented. Furthermore, since at least a portion of the flexible tube that contacts the urinal body is covered with a cover material,
When the cover material is made of, for example, one of a dew-proof material and a cushioning material, even if the flexible tube may shake due to an impact due to a water hammer action or the like, the cover material may cause a crack, a crack, or the like. Can be prevented beforehand, and the reliability of construction can be improved.

[Brief description of the drawings]

FIG. 1 shows a urinal body used in one embodiment of the present invention, wherein (a) is a front view, (b) is a perspective view seen from behind,
(C) is a perspective view showing a state where a flexible tube is attached to the water stopcock.

FIG. 2 is an exploded perspective view of a flexible pipe and an end of a water supply pipe according to the first embodiment.

FIG. 3 (a) shows an example of the shape of a curved portion of the above flexible tube, and FIGS. 3 (b) to 3 (h) are shape explanatory views showing modifications thereof.

FIG. 4 (a) is a partially cutaway side view of the urinal body, and FIG. 4 (b) is a front view of a control unit with dry batteries.

FIG. 5 is a perspective view showing a state where the flexible tube is covered with a cover material.

FIG. 6 shows an example of a method of mounting the urinal body according to the embodiment;
(A) is a perspective view, (b) It is a schematic side view which shows the difference of the pipe distance at the time of construction and at the time of installation.

7A and 7B show another example of the method of attaching the urinal body according to the embodiment, wherein FIG. 7A is a schematic side view and FIG. 7B is a plan view.

8A and 8B show still another example of the method of attaching the urinal body according to the embodiment, wherein FIG. 8A is an exploded perspective view of an end of a water supply pipe attached to a wall surface, and FIG. It is an exploded perspective view of a flexible tube.

[Explanation of symbols]

1 urinal body 1b rear portion 1d bottom part 2 stop cock 3 flexible tube 3a, 3b tube ends 3c contact portion 4 supply pipe 4a end 14 Floor face 17 curved portion 20 cover member 22 wall L _1, L ₂ Pipe distance

Claims (1)

(57) [Scope of request for utility model registration] 1. A water stopcock is provided on the back surface of a urinal body having a back surface in contact with a wall surface and a bottom surface portion installed on a floor surface,
When the water stopcock and the end of the water supply pipe provided on the wall or floor side are connected to each other via a flexible pipe having a curved portion,
A portion of the flexible tube that contacts at least the urinal body
A water supply pipe joint for a urinal, wherein the water supply pipe joint is formed by covering a portion with a cover material .