JP2806032B2 - Cleaning water supply device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a cleaning water supply apparatus, and more particularly to a cleaning water supply apparatus having a local cleaning unit.

(Prior Art) FIG. 4 is a vertical sectional view of a cleaning water supply device having a local cleaning means.

In the figure, 1 is a siphon-jet toilet bowl,
The toilet 1 includes a ceramic toilet body 2 and a toilet seat 3 made of synthetic resin or the like.
And a toilet lid 4 and a cover 5 made of synthetic resin or the like, and a washing / water supply device 6 therein.

The toilet body 2 has a bowl portion 8 partitioned by a partition wall 7 and a trap drainage channel 9. The trap drainage channel 9 connects an inflow opening 10 formed in the lower part of the rear wall of the bowl portion 8 and an outflow opening 11 formed in a substantially central bottom surface of the toilet bowl 1 in a substantially inverted U-shape. The drainage channel 9b downstream of the weir portion 9a of the trap drainage channel 9 is formed in a substantially straight pipe shape.

A rim water passage 13 is provided on the rim 12 at the upper peripheral edge of the bowl portion 8.
Are formed in an annular shape so as to protrude inward of the bowl portion 8, and rim water injection holes 14 are formed obliquely with respect to the bowl portion 8 at appropriate intervals on the bottom surface of the rim water passage 13.

In addition, a jet nozzle 19 is attached to the bottom of the bowl portion 8 with its injection hole 19a directed toward the weir 9a of the trap drainage channel 9. One end of a jet water supply pipe 20 is connected to the jet nozzle 19, and the other end is connected to a jet discharge port 15g of the valve unit 15. Here, 21 is a water supply pipe connected to the rim discharge port 15f.

As shown in FIG. 5, the cleaning water supply device 6 drives a valve unit 15, a control circuit unit 16, and a local cleaning nozzle 17 having an injection hole 17a which is attached to the tip of the valve unit 15 in a local direction. And a cleaning nozzle drive unit 18. The valve unit 15 includes a flow control valve 15a having a water stop function, an on-off valve 15b connected in parallel to the flow control valve 15a, a pressure sensor P1 provided downstream of the flow control valve 15a, an atmosphere release valve VB1, A local flush (including a toilet flushing valve comprising a two-way switching valve 15c, a flow regulating valve 15d having a water stopping function, a pressure sensor P2 provided downstream of the flow regulating valve 15d, and an atmosphere release valve VB2). (Washlet) valve is provided separately. The valve unit 15 includes a water supply connection pipe 15e and a rim discharge port 15f and a jet discharge port 15g. The water supply connection pipe 15e is formed such that its tip protrudes outward from the rear part of the toilet 1. As the two-way switching valve 15c used here, a conventionally known one provided with, for example, an electromagnetic valve 15c-1 as shown in FIG. 6 is used. This solenoid valve 15c
The water supply to the rim portion and the jet nozzle is controlled by switching the energization of -1. In this configuration, when there is a local washing input, the washing water supplied from the water supply connection pipe 15e drives the flow control valve 15d to the open state and drives the washing nozzle driving unit 18 according to a command from the control circuit unit 16. Then, the local cleaning nozzle 17 is moved to the cleaning position. Further, the flush water is flow-regulated in accordance with the information of the pressure sensor P2 accompanying the driving of the flow regulating valve 15d to the open state, and supplies the flush water to the local flush nozzle 17 via the atmosphere release valve VB2. Thereafter, when there is a toilet flush input, the flow control valve 15a is instructed by a command from the control circuit unit 16.
The cleaning water is flow-regulated by the information of the pressure sensor P1 accompanying the driving to the open state of the flow control valve 15a, and the cleaning water flows to the rim discharge port 15f and the jet discharge port 15g via the atmosphere release valve VB1. Supply. When the flow rate is insufficient according to the information from the pressure sensor P1, the opening / closing valve 15b is driven by a command from the control circuit unit 16 to compensate for the insufficient flow rate.
Then, the toilet is cleaned in a preset water supply order, water supply amount, and water supply time.

(Problems to be Solved by the Invention) However, such a conventional flush water supply device not only requires a large space since the flush valve and the local flush valve are provided separately, but also requires a toilet flush. It takes time to connect the water supply valve and the local cleaning valve to the water supply pipe separately. It also has the disadvantage of using the same parts in duplicate, which is costly.

An object of the present invention is to provide a washing and water supply apparatus which eliminates the above-mentioned disadvantages.

(Means for Solving the Problems) In order to eliminate the above-mentioned drawbacks, the washing and water supply device of the present invention comprises:
A toilet flush valve for controlling the supply of toilet flush water and a local flush valve for controlling the supply of local flush water are integrally formed.

(Operation) According to the flush water supply device of the present invention, since the toilet flush valve and the local flush valve are integrally formed, a large space is not required for installation.

(Embodiment) Hereinafter, an embodiment of the present invention will be described with reference to the drawings, in which the same reference numerals are given to the same parts as those in the related art.

As shown in FIG. 1, the cleaning / water supply device 6 drives a valve unit 22, a control circuit unit 23, and a local cleaning nozzle 17 having a spray hole 17a which is attached to a distal end thereof in a local direction. And a cleaning nozzle drive unit 18. The valve unit 22 includes a flow control valve 22a having a water stop function,
An on-off valve 22b which is a bypass valve connected in parallel to the flow control valve 22a, a pressure sensor P provided downstream of the flow control valve 22a,
It is composed of an atmosphere release valve VB and a three-way switching valve 22h.
The valve unit 22 includes a water supply connection pipe 22e and a connection pipe that communicates with a rim, a jet nozzle, and a local cleaning nozzle (washlet). The distal end of the water supply connection pipe 22e is a toilet (not shown) as in the prior art.
Is formed so as to protrude outward from the rear part. As the three-way switching valve 22h, for example, an electromagnetic valve 22h-1 as shown in FIG.
Use the one with 22h-2. These two solenoid valves 2
By switching the energization between 2h-1 and 22h-2, a connection pipe communicating with the rim, the jet nozzle and the washlet is selected, and for example, the following four operations are determined.

Only the solenoid valve 22h-1 is energized to supply water only to the rim.

Water is supplied only to the jet nozzle by energizing only the solenoid valve 22h-2.

The solenoid valves 22h-1 and 22h-2 are commonly supplied to supply water to both the rim and the jet nozzle.

Water is supplied to the washlet (local washing nozzle) without turning on both solenoid valves 22h-1 and 22h-2.

In this configuration, the cleaning water supplied from the water supply connection pipe 22e drives the flow control valve 22a to the open state and drives the cleaning nozzle driving unit 18 according to a command from the control circuit unit 23 when there is a local cleaning input. To move the local cleaning nozzle 17 to the cleaning position, but the solenoid valves 22h-1 and 22h of the three-way switching valve 22h
-2 both remain undischarged (above). The washing water is supplied to the local washing nozzle 17 through the air release valve VB while being regulated by the information of the pressure sensor P accompanying the driving of the flow regulating valve 22a to the open state, and the jetting water provided at the tip thereof is provided. The local cleaning is performed with the jet water from the port 17a. Thereafter, when there is a toilet flush input, water is supplied in the following order, for example, with a water supply amount and water supply time set in advance by a command from the control circuit unit 23. First, the flow control valve 22a and the three-way switching valve 22h
Only the solenoid valve 22h-1 is energized to supply water to the rim only (described above), and then both solenoid valves 22h-1 and 22h-2 are commonly supplied to supply water to both the rim and the jet nozzle (described above). Finally, only the solenoid valve 22h-2 is energized to supply water only to the jet nozzle (described above), and the toilet is washed. At this time, the flush water is regulated by the information of the pressure sensor P accompanying the driving of the flow regulating valve 22a to the open state, and supplies the flush water to the rim or / and the jet nozzle via the atmosphere release valve VB. When the flow rate is determined to be insufficient based on the information from the pressure sensor P, the control circuit unit
It is the same as in the conventional case that the on-off valve 22b is driven by the command from 23 to compensate for the insufficient flow rate.

Note that the three-way switching valve is not limited to
As shown in the figure, a conventionally used two-way switching valve may be connected in series. This three-way switching valve is also 2
Two solenoid valves 22h-3 and 22h-4 are provided. By switching the energization of these two solenoid valves 22h-3 and 22h-4, a connection pipe communicating with the rim, the jet nozzle and the washlet (local washing nozzle) is selected in the same manner as in the previous embodiment, and for example, the following three operations are performed. Is determined.

Only the solenoid valve 22h-3 is energized to supply water only to the rim.

Both the solenoid valves 22h-3 and 22h-4 are commonly supplied to supply water to the jet nozzle.

Water is supplied to the washlet (local cleaning nozzle) without turning on both solenoid valves 22h-3 and 22h-4.

In this configuration, the cleaning water supplied from the water supply connection pipe 22e drives the flow control valve 22a to the open state and drives the cleaning nozzle driving unit 18 according to a command from the control circuit unit 23 when there is a local cleaning input. To move the local cleaning nozzle 17 to the cleaning position, but the electrode valves 22h-3, 22h of the three-way switching valve 22h.
-4 are both left undischarged (above). Further, the washing water is supplied to the pressure sensor P with the drive of the flow control valve 22a to the open state.
Is supplied to the local cleaning nozzle 17 through the atmosphere release valve VB while being adjusted by the information of the above, and the local cleaning is performed with the water sprayed from the injection hole 17a provided at the tip of the nozzle. Thereafter, when there is a toilet flush input, water is supplied in the following order, for example, with a water supply amount and water supply time set in advance by a command from the control circuit unit 23. First, only the solenoid valve 22h-3 of the flow control valve 22a and the three-way switching valve 22h is energized to supply water only to the rim (described above), and then both the solenoid valves 22h-3 and 22h-4 are commonly energized to jet nozzles. And then flush the toilet. At this time, the flow is regulated by the information of the pressure sensor P accompanying the driving of the flow regulating valve 22a to the open state, and the rim or / and jet nozzle cleaning water is supplied via the atmosphere release valve VB. When it is determined from the information of the pressure sensor P that the flow rate is insufficient, the opening / closing valve 22b is driven by a command from the control circuit 23 to compensate for the insufficient flow rate, as in the conventional case.

(Effects of the Invention) According to the flush water supply apparatus of the present invention, since the toilet flush valve and the local flush valve are integrally formed, a large space is not required for installation, and the toilet can be effectively used. Furthermore, since the number of parts is reduced by sharing parts, there is a great advantage that the cost of the product can be reduced.

[Brief description of the drawings]

FIG. 1 is a block configuration diagram of a cleaning water supply device according to the present invention,
2 and 3 are explanatory views of a three-way switching valve used in the present invention, FIG. 4 is a vertical sectional view of a cleaning water supply apparatus having a local cleaning means, and FIG. 5 is a block diagram of a conventional cleaning water supply apparatus. FIG. 6 is an explanatory view of a conventional two-way switching valve. 6 Cleaning water supply device, 17 Local cleaning nozzle, 17a
Injection hole, 18 Cleaning nozzle drive unit, 22 Valve unit, 22a Flow control valve, 22b Open / close valve, 22e Water supply connection pipe, 22f Rim outlet, 22g Jet Outlet,
22h ... three-way switching valve, 23 ... control circuit section.

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Yoshinobu Uchimura 2-8-1, Motomura, Chigasaki-shi, Kanagawa Prefecture Tochiki Co., Ltd. Chigasaki Plant (56) References JP-A-61-216946 (JP, A) 63-14675 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) E03D 5/10 E03D 9/08

Claims (1)

(57) [Claims] 1. A flush water supply device having a local flush means, wherein a toilet flush valve for controlling the supply of toilet flush water and a local flush valve for controlling the supply of local flush water are integrally formed. Wash water supply.