JPH1161952A - Connecting construction for distributor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to easily fit a water receiving hole to a discharge hole of a float valve device by providing a connecting ring having the shape of a tapered outer surface with the upper end portion shrunk in diameter of the water receiving hole at a distributor. SOLUTION: A float valve device 2 is attached to the bottom portion of a low tank 1 and a distributor is connected to the valve device 2. In this case, a connecting ring 6 having a tapered outer surface with a shrunk diameter at the upper end portion, and its upper end portion is projected out from the water receiving hole. Next, a guide ring 7 having a taper portion 7a on the inner surface with a lower portion enlarged in diameter as required is attached in a slidable manner in up-and-down direction to the outer periphery of a discharge hole of the valve device 2. If the tank 1 is attached to the upper surface of the rear portion of a water closet, then the discharge hole of the valve device 2 and the water receiving hole of the distributor can be smoothly fitted together through the taper portion of the rings 6, 7. By doing this, attaching work for the low tank can be improved in workability, and the discharge hole of the valve device and the water receiving hole of the distributor can be fitted definitely.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush water supply system for a Western-style toilet which is configured to supply water in a low tank to a rim of a Western-style toilet via a float valve and a distributor. It relates to the connection structure with the water outlet of the distributor.

[0002]

2. Description of the Related Art JP-A-8-41950 and JP-A-8-41950
As seen in Japanese Patent No. 41953, etc., a low tank type Western style toilet configured to supply water (wash water) in a low tank to a rim of a Western style toilet by a distributor is widely used.

FIGS. 9 and 10 show a conventional example of a low tank type Western style toilet using such a distributor, in which washing water from a low tank 25 is supplied through a distributor 26 to the rear of the toilet bowl of a Western style toilet 27. Mouth 28
And to the rim water passage 29. Distributor 2
6 are inserted into the rim water passage 29 side. The main body of the distributor 26 is placed on the water supply opening 30 of the toilet body 27. The low tank 25 is installed on the rear upper surface of the Western-style toilet 27 so that the water outlet 31 of the float valve device is inserted into the water inlet 32 of the distributor 26 from above the water supply opening 30. Tightening bolts 33 provided at both ends of the low tank 25
Is inserted into the bolt insertion hole 34 of the Western-style toilet 27, and the low tank 25 is attached to the rear upper surface of the Western-style toilet 27 by tightening a nut.

[0004] In the Western style toilet 27 using this kind of distributor 26, the distributor 26 is placed in the water supply opening 30 of the Western style toilet without any fixing or connection as described above. Then, from above, the float valve device water discharge port 31 of the low tank is inserted into the central water receiving port 32 of the distributor 26, and the close connection bolt 33 is inserted into the bolt insertion hole 34 to mount the low tank 25 on the rear upper surface of the Western style toilet. Like that. For this reason, when the low tank 26 is placed, the distributor 26 may be displaced in the water supply opening 30 and the water outlet 31 of the float valve device and the water inlet 32 may not be fitted properly. Further, when such a problem occurs, the repair must be performed in a narrow place of the toilet room, and it is considerably difficult to work.

In order to improve the connection between the water receiving port 32 and the water outlet 31 of the float valve device, in Japanese Patent Application Laid-Open Nos. 8-41950 and 8-41953, a hard ring is fitted into the water receiving port 32 of the distributor. That is being done. Further, in the latter JP-A-8-41953, the distributor is partially bulged, and the bulged portion is fitted to a Western-style toilet.

FIG. 11 is a perspective view showing a distributor disclosed in Japanese Patent Application Laid-Open No. 8-41953. This distributor is a flexible pipe body made of a soft synthetic resin as a whole, and water is distributed in two directions by distribution pipes 13 and 13 extending in an arm shape from both sides of a cylindrical central water supply unit 11. The distribution pipes 13, 13 are respectively branched from the lower end of the central water supply section 11 in the orthogonal directions.
, Bent portions 15, 15 and hose portions 16, 16.

[0007] The lower portion 17 of the central water supply portion 11 is a swelling portion swelling downward.

The upper portion of the outer periphery of the central water supply section 11 is formed as a bellows body 18 in order to maintain the shape retention. Further, in order to further improve the shape retention, a ring cap 19 made of a resin having a higher hardness than the resin constituting the central water supply section 11 is fitted inside the upper inner periphery of the central water supply section 11. The ring cap 19 is formed with three vertically-divided grooves 20 at intervals so that the ring cap 19 can be expanded and contracted in the radial direction. Further, on the outer periphery of the ring cap 19, a ridge 21 that engages with the bellows body 18 is formed.

The bent portions 15 and 15 are bellows so that they can be bent at an arbitrary angle without closing the flow path. The diameter of the hose portions 16, 16 is tapered toward the top in order to increase the flow rate of the washing water. Further, inside the base end side of the hose portion 16, water supply ports 22, 22 for discharging a part of the cleaning water are formed in a window shape, respectively. Although both ends of the hose portions 16 and 16 may be opened, when a vortex is generated in the drainage flow in the toilet bowl, only one end surface is opened as illustrated.

[0010]

By employing the distributor shown in FIG. 11, the distributor can be positioned. However, since the tubular central water supply portion 11 is bellows-shaped, the water outlet of the float valve device is provided. The problem that the water supply port 31 and the water receiving port at the upper end of the central water supply section 11 are difficult to fit together, and it is difficult to join them together has not been solved.

The present invention has been made in view of such circumstances, and has as its object to provide a connection structure of a distributor in which the connection between the water outlet of the float valve device and the water receiving port of the distributor is extremely easy.

[0012]

According to the connecting structure of the distributor of the present invention, the water receiving port of the distributor is connected to the water discharging port of the float valve device of the low tank installed on the rear upper surface of the western style toilet, and the distributor is connected through the distributor. The present invention relates to a connection structure of a distributor in a Western-style toilet in which water in a low tank is supplied to a rim of the Western-style toilet.

According to a first aspect of the present invention, a connection ring having an outer peripheral surface shape whose diameter is reduced toward the upper side is provided at an upper end portion of the water receiving port so that the water receiving port can be easily fitted into the water outlet of the float valve device. .

According to a second aspect of the present invention, a lower end portion of the float valve device is tapered so as to have a larger diameter than a water outlet, so that a guide ring externally fitted to the outer periphery of the water inlet can be slid vertically. The guide ring facilitates fitting of the water outlet of the float valve device to the upper end of the water inlet.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing a connection structure of a distributor according to the first embodiment.

Float valve device mounting hole 1a of low tank 1
Float valve device 2 is attached to nut 4A, and distributor 3 is connected to this float valve device 2.

The float valve device 2 includes a float valve device main body 4 and a float valve body 5 which is seated on a seat portion 4b of the float valve device main body 4. The float valve device main body 4 includes a cylindrical water outlet 4a connected to the seat portion 4b, an overflow pipe 4c rising upward, three leg pieces 4d extending in the centripetal direction, and an upper portion extending from the leg piece 4d. And a guide column 4e provided upright. A guide rod 5a integrated with the float valve element 5 is inserted through the guide column 4e, and the float valve element 5 is guided so as to move in the vertical direction. The water outlet 4a is inserted into the float valve device mounting hole 1a of the low tank 1, a packing 4B is arranged above the hole 1a, and a nut 4A is tightened below.

The distributor 3 has a central water supply portion and a branch portion branched from the central water supply portion in a bifurcated manner as in the prior art. The upper portion of the central water supply portion serves as a water receiving port 3a. I have. This distributor 3
The whole is made of synthetic resin.

In this embodiment, the water receiving port 3
a has a bellows shape. The connection ring 6 is fitted into the water receiving port 3a. The connection ring 6 is made of a hard synthetic resin, and its upper end slightly protrudes from the water receiving port 3a. The outer peripheral surface of the upper end is a tapered surface having a shape whose diameter decreases upward. Note that this connection ring 6
A small projection is provided on the outer peripheral surface of the lower portion of the lower part, and engages with the bellows-shaped water receiving port 3a, so that the connection ring 6 is hard to come off.

The connection ring 6 is fitted in the water receiving port 3a, the distributor 3 is mounted on a Western-style toilet, and the low tank 1 with the float valve device 2 is placed on the rear upper surface of the Western-style toilet. In this case, since the connection ring 6 made of a hard synthetic resin is deeply fitted into the water receiving port 3a, almost the entire water receiving port 3a is rigid. And since the outer periphery of the upper end of this connection ring 6 is tapered, the water receiving port 3a smoothly enters the water discharging port 4a. Therefore, the low tank 1 can be easily assembled on the rear upper surface of the Western-style toilet, and the connection between the float valve device water discharge port 4a and the distributor water reception port 3a is also improved.

In the embodiment shown in FIG. 1, the projecting length of the upper end of the connection ring 6 is relatively short.
As in the embodiment shown in the figure, the length of the water receiving port 3a in the vertical direction may be reduced, and a connecting ring 6A having a large upward protruding length may be attached to the distributor 3 instead.

In the embodiment shown in FIGS. 3 and 4, the guide ring 7 is attached to the outer periphery of the water outlet 4a in the embodiment shown in FIG. The guide ring 7 is made of a hard synthetic resin. The lower end of the guide ring 7 has a tapered portion 7 whose diameter increases as it goes down.
a. In addition, on the outer peripheral surface of the lower end of the water discharge port 4a,
A projection 8 for preventing the guide ring 7 from dropping is provided.

The other parts of this embodiment are the same as those in FIG. 1, and the same parts are denoted by the same reference numerals and description thereof will be omitted.

In this embodiment, the low tank 1
Is placed on the rear upper surface of the Western-style toilet, not only the rigid connection ring 6 is fitted into the water receiving port 3a as shown in FIG.
Since the cylindrical guide ring 7 with the tapered portion 7a hangs down from the water outlet 4a, the water outlet 4a and the water receiving port 3a fit more smoothly. After the guide ring 7 is fitted to the water receiving port 3a when placing the low tank 1 on the rear upper surface of the Western-style toilet, the guide ring 7 slides along the water discharging port 4a, and finally comes to the state shown in FIG. .

In the embodiment of FIG. 5, the same guide ring 7 as that of FIGS. 3 and 4 in the embodiment of FIG.
2 and FIGS. 3 and 4.
The same parts as in the figure are shown.

In the embodiment shown in FIG. 5, when the low tank 1 is placed on the rear upper surface of the Western-style toilet, the water outlet 4a
And the distributor water inlet 3a are fitted very smoothly.

FIGS. 6 and 7 show an embodiment in which a guide ring 7A slidable in the vertical direction along the inner periphery of the water outlet 4a is provided in the embodiment of FIG. The lower end of the guide ring 7A also has a tapered portion 7 whose diameter is increased downward.
a. A projection 8A for preventing the guide ring 7A from falling is provided at the lower end of the water outlet 4a.
Other configurations are the same as those in FIG.

Also in this embodiment, the low tank 1
When water is placed on the rear upper surface of the Western-style toilet, the water outlet 4a and the water inlet 3a fit extremely smoothly. At the time of this fitting, the guide ring 7a initially hangs down from the water discharge port 4a as shown in FIG. 7, and after the guide ring 7A is externally fitted to the water receiving port 3a, the low tank 1 is further lowered to thereby guide the guide. The ring 7A slides along the inner peripheral surface of the spout 4a, and finally reaches the state shown in FIG.

FIG. 8 shows an embodiment in which the same guide ring 7A as in FIGS. 6 and 7 is attached to the water receiving port 4a in the embodiment of FIG. 2. Similarly, the low tank 1 is mounted on the rear upper surface of the Western-style toilet. Water outlet 4a and water outlet 3 when placed on
a fits very smoothly.

In the present invention, the connecting rings 6 and 6A may be omitted from the embodiment shown in FIGS. 3 to 8, and only the guide rings 7 and 7A may be attached to the water outlet 4a.

[0031]

As described above, according to the connection structure of the distributor of the present invention, when the low tank with the float valve device is placed on the rear upper surface of the Western style toilet with the distributor, the distributor water intake port and the float valve device water discharge port are smooth. And the workability of assembling the low tank is improved. Further, the distributor water receiving port and the float valve device water discharging port are securely fitted.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a connection structure of a distributor according to an embodiment.

FIG. 2 is a sectional view showing a connection structure of the distributor according to the embodiment.

FIG. 3 is a cross-sectional view showing a connection structure of the distributor according to the embodiment.

FIG. 4 is a cross-sectional view showing a connection structure of the distributor according to the embodiment.

FIG. 5 is a cross-sectional view showing a connection structure of the distributor according to the embodiment.

FIG. 6 is a sectional view showing a connection structure of the distributor according to the embodiment.

FIG. 7 is a sectional view showing a connection structure of the distributor according to the embodiment.

FIG. 8 is a sectional view showing a connection structure of the distributor according to the embodiment.

FIG. 9 is a cross-sectional view of a Western-style toilet showing a conventional example.

FIG. 10 is a perspective view of a Western-style toilet and a low tank showing a conventional example.

FIG. 11 is a perspective view showing an example of a distributor used in a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Low tank 2 Float valve device 3 Distributor 3a Water receiving port 4 Float valve device main body 4a Water outlet 5 Float valve body 6, 6A Connection ring 7, 7A Guide ring

Claims (3)

[Claims] 1. A water receiving port of a distributor is connected to a water discharge port of a float valve device of a low tank installed on a rear upper surface of a western style toilet so that water in the low tank is supplied to a rim of the western style toilet via the distributor. A connection structure for a distributor in a Western style toilet bowl according to claim 1, wherein a connection ring having an outer peripheral surface shape whose diameter decreases upward is attached to an upper end portion of said water receiving port. 2. A water receiving port of a distributor is connected to a water discharge port of a float valve device of a low tank installed on a rear upper surface of a western style toilet, and water in the low tank is supplied to a rim of the western style toilet via the distributor. In the connection structure of the distributor in the Western style toilet bowl, the lower end portion is tapered and expanded with respect to the water outlet of the float valve device, and a guide ring externally fitted on the outer periphery of the water inlet can be slid vertically. Distributor connection structure characterized by being provided in. 3. The distributor according to claim 1, further comprising a taper-shaped lower end portion, and a guide ring externally fitted to an outer periphery of the water receiving port slidable in a vertical direction. Connection structure.