JPH07109761A - Washing and sterilizing toilet seat device - Google Patents

Abstract

PURPOSE:To lower the possibility of interference of a washing nozzle for the anus washing nozzle mechanism with a washing nozzle for a bidet washing nozzle mechanism in the case of advancement and retraction of them. CONSTITUTION:The retraction of the anus washing nozzle 6a and a bidet washing nozzle 6b is made with energizing force of return springs 11a and 11b and washing water pressure of front end side cylinder chambers Rc. In the case of switching over between the anus washing state and bidet washing state, washing water is surely supplied to the front end side cylinder chambers Rc, and the washing nozzle 6a or tb is quickly retracted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The invention of the present application relates to a wash toilet seat device having a nozzle mechanism for anus washing and a nozzle mechanism for bidet washing which are arranged in parallel on the rear side of a toilet seat, and more particularly The present invention relates to a flush toilet seat device configured to be moved forward by the pressure of flush water.

[0002]

2. Description of the Related Art As a conventional toilet seat device of this type,
For example, as disclosed in Japanese Patent Application Laid-Open No. 62-170625, a nozzle mechanism for anus washing and a nozzle mechanism for bidet washing use a washing nozzle axis of the anus washing nozzle mechanism and a bidet washing nozzle mechanism. The nozzle axes are arranged so as to intersect each other at a substantially central portion of the toilet when viewed in a plane. Then, each cleaning nozzle is made to retreat only by the urging force of the return spring.

[0003]

However, in the flush toilet seat device having the above-described structure, the flush nozzle is required to reliably advance even at the lower limit of the fluctuation range of water pressure of the water supply as the flush water source. The biasing force of the return spring that retracts must be set to a relatively small value. In this case, when the anus washing operation state and the bidet washing operation state are quickly switched, the backward movement operation of one washing nozzle and the forward movement operation of the other washing nozzle are simultaneously performed, and in some cases, both washing nozzles collide. There is a possibility of contact.

An object of the invention of this application is to reduce the possibility that both washing nozzles will interfere with each other when switching between the anus washing operation state and the bidet washing operation state, as compared with the prior art.

[0005]

The invention according to claim 1 of the present application, which has the above-described structure, has a nozzle mechanism for anus washing and a nozzle mechanism for bidet washing which are arranged in parallel on the rear side of the toilet seat. In the cleaning toilet seat device, each nozzle mechanism has a cleaning water discharge hole at the tip, a cleaning nozzle having a piston portion at the base end, and a cleaning water discharge hole at the tip.
A bidet cleaning nozzle having a piston portion at the base end, and the cleaning nozzle are inserted so as to be able to move forward and backward, and the cylinder chamber is divided into two parts by the piston portion into a base end side cylinder chamber and a tip end side cylinder chamber. Has a cylinder for an anus washing nozzle and a cylinder for a bidet washing nozzle formed with openings for letting in and out washing water, and the tip side cylinder chamber is drained and the washing water is fed to the base end side cylinder chamber. By doing so, the cleaning nozzle moves forward against the urging force of the return spring, and at the advanced position, cleaning water is ejected from the discharge hole to clean the human body part, and the base end side cylinder chamber is in a drainage state. And by supplying the cleaning water to the tip side cylinder chamber, the cleaning nozzle stops the ejection of the cleaning water and retreats by the urging force of the return spring and the water pressure of the cleaning water. A disc valve constituted by a fixed disc and a rotating disc disc in which means for selectively supplying / discharging cleaning water to / from each of the base end side cylinder chambers and each of the tip end side cylinder chambers is coaxially arranged In the standby state, the disk valve puts the both proximal end side cylinder chambers into a draining state and stops the supply of washing water to the both front end side cylinder chambers, and when the anal washing operation is performed, the disc valve is unidirectional. Is rotated to switch the proximal side cylinder chamber of the anus washing nozzle mechanism from a drainage state to a wash water supply state, and is turned in the other direction from the standby state during a bidet washing operation. The cleaning toilet seat device is for switching the base end side cylinder chamber of the bidet cleaning nozzle mechanism from a drainage state to a wash water supply state.

According to the invention of claim 2 of this application, in the flush toilet seat device of claim 1, the disk valve is
A first through hole communicating with a water supply pipe section through which cleaning water is selectively supplied, the base end side cylinder chamber of the anus washing nozzle mechanism, and the base end side cylinder of the bidet washing nozzle mechanism. A fixed disk having second and third through holes respectively communicating with the chamber, a fourth through hole communicating with both the tip side cylinder chambers, and a fifth through hole communicating with the drain pipe portion,
A communication path for selectively communicating the first through hole with any of the second, third and fourth through holes and the fifth through hole with the second and third through holes. A rotary disk having a communication path for selectively communicating with any one of the cylinders, and the tip side of the tip wall of each cylinder and the fitting sliding portion of each washing nozzle. The cleaning toilet seat device is provided with a cleaning water leakage gap communicating with the cylinder chamber.

[0007]

In the flush toilet seat device according to claims 1 and 2 as described above, the retraction of each flush nozzle of the anal flush nozzle mechanism and the bidet flush nozzle mechanism is fed to the biasing force of the return spring and the tip side cylinder chamber. The washing water is supplied to the tip side cylinder chamber of the nozzle mechanism, which should be in the non-washing state when switching between the anal washing state and the bidet washing state, by the disc valve. Since the cleaning water is sent to the base end side cylinder chamber of the cleaning nozzle mechanism that should be in the cleaning state after being supplied, the cleaning nozzle of the nozzle mechanism that should be in the non-cleaning state is the biasing force of the return spring and the water pressure of the cleaning water. As a result, the possibility of interfering with the advancing cleaning nozzle of the nozzle mechanism that should be retracted more quickly than in the conventional case and should be in the cleaning state is extremely low. Also, when the cleaning water is supplied to the proximal cylinder chamber of the cleaning nozzle mechanism that should be in the cleaning state, the cleaning water in the distal cylinder chamber of this nozzle mechanism is discharged, so The required water pressure in the base end side cylinder chamber is sufficient to overcome the biasing force of the return spring.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the flush toilet seat device according to the invention of this application will be described below with reference to FIGS.

In FIG. 1, the flush toilet seat device of this embodiment is mainly composed of a flush nozzle device 1 and a flush water tank 2 with a built-in heater for successively storing flush water from a water supply source such as water supply as hot water. Housing 3 installed on the rear of the car
It is installed inside.

The washing nozzle unit 1 sets a nozzle mechanism 1A for anus washing, a nozzle mechanism 1B for bidet washing, and a water channel for supplying washing water from a water supply source to each of the nozzle mechanisms 1A, 1B. For example, the disc valve 4 and the fixed plate 5 are integrally formed.

Specifically, as shown in FIG. 2, each nozzle mechanism 1A, 1B has an anus washing nozzle 6a and a bidet washing nozzle 6b each having a washing water discharge hole Pa at each tip, and each cylinder 7a ,. 7b is inserted so that it can move forward and backward. The cylinders 7a, 7b have openings Sa, Sb for letting the wash water in and out on the base end side, and openings 9a, 9b for letting the wash water go in and out on the tip end side. The pistons 10a, 1 are attached to the base end portions of the cleaning nozzles 6a, 6b.
0b is provided. The piston parts 10a and 10b are
The insides of the cylinders 7a and 7b are divided into a base end side cylinder chamber Sc having openings Sa and Sb and a tip end side cylinder chamber Rs having openings 9a and 9b. Each tip side cylinder chamber Rs
The return springs 11a and 11b for urging the cleaning nozzles 6a and 6b to the retracted positions are mounted on the. Further, valve bodies 13a and 13b for opening and closing the water passage into the nozzle are fitted in the water passage portions of the piston portions 10a and 10b by the urging springs 12a and 12b having a larger urging force than the return springs 11a and 11b. There is. Furthermore,
A cleaning water leakage gap Lc communicating with the front end side cylinder chamber Rc is provided in the fitting sliding portion between the front end walls of the cylinders 7a and 7b and the cleaning nozzles 6a and 6b.

The disc valve 4 is shown in FIGS. 3 (A) and 3 (B).
As shown in FIG. 3, the anal washing water pipe portion 42 and the bidet washing water pipe portion 43 that guide the washing water to the proximal end side cylinder chamber Sc of the cylinder 7a or 7b with the water supply pipe portion 41 into which the washing water is introduced from the center. The casing 46 is mainly composed of an end wall 46a formed with a reverse water pipe portion 44 and a drain pipe portion 45 for guiding common washing water to the openings 9a and 9b, and a peripheral wall 46b.

The peripheral wall 46b is opened on the side opposite to the end wall 46a, and a valve chamber 47 is formed with the casing 46 at the open edge of the peripheral wall 46b, and an operating portion (stepping motor or the like) 48 rotatable about an axis is formed. Closure member 49
Are fitted.

In the valve chamber 47 of the disc valve 4, as shown in FIG. 4B, a passage 51a communicating with the water supply pipe 41 is formed in the inner peripheral region, and the anus washing water pipe 4 is provided.
2, a fixed disc having a passage 51b communicating with the second portion, a passage 51c communicating with the bidet washing water pipe portion 43, a passage 51d communicating with the reverse water pipe portion 44, and a passage 51e communicating with the drainage pipe portion 45 in the outer peripheral region. 51 is fitted.

A rotary disc 52 engaged with the operating portion 48 is housed in the valve chamber 47. As shown in FIG. 4 (A), the rotating disk 52 is a fixed disk 5
A first communication path 52a extending in the radial direction and a second communication path 52b extending in the circling direction are formed on the superimposing surface on 1.

Further, the fixed disk 51 and the end wall 46a.
As shown in FIG. 4 (C), an elastic member 53 for watertightness is interposed between and. The elastic member 53 is provided for each passage 5
1a to 51e corresponding to the through holes 53a to 53e, and the respective edge portions of the through holes 53a to 53e are water supply pipe portion 41, anus washing water pipe portion 42, bidet washing water pipe portion 43, reverse water pipe portion 44 and drain pipe. It is in close contact with each edge of the portion 45 and also in close contact with the edges of the passages 51 a to 51 e of the fixed disk 51. The elastic member 53 is made of a material such as rubber or elastomer. Both disks 51, 52 are made of ceramics or the like.

The water circuit of the nozzle mechanism 1A for cleaning the anus, the nozzle mechanism 1B for cleaning the bidet, the cleaning water tank 2 and the disk valve 4 is shown in FIG. In FIG. 5, 4
1A is a water supply port of the water supply pipe part, 42a is an anus washing water pipe part 42
Of the bidet cleaning water pipe portion 43,
a is a discharge port of the reverse water pipe part. Disc valve 4
The cleaning water is supplied to the water supply pipe section 41 from the cleaning water tank 2 arranged on the source water passage 54a for supplying the cleaning water from the water supply source 54. The wash water tank 2 is provided in the source water passage 54a.
A pressure adjusting valve 55 for adjusting the water pressure inside and an electromagnetic opening / closing valve 56 which is opened during anus washing operation and bidet washing operation are provided. The discharge port 42a of the anus washing water pipe part 42 is connected to the opening Sa of the cylinder 7a via the water guiding pipe 57, and the discharge port 43a of the bidet washing water pipe part 43 is connected to the opening Sb of the cylinder 7b via the water guiding pipe 58. There is. The discharge port 44a of the reverse water pipe line 44 is connected to the openings 9a and 9b of the cylinders 7a and 7b via a water guiding pipe 59.

Here, when the washing operation is stopped, the electromagnetic on-off valve 56 is arranged so that the washing water is supplied to the water supply pipe portion 41 of the disc valve 4 immediately after the anal washing nozzle 6a or the bidet washing nozzle 6b starts the backward movement operation. Is temporarily sent.

Cleaning nozzle device 1 constructed as described above
When the both cleaning nozzles 6a and 6b are in the retracted position, the electromagnetic opening / closing valve 56 is closed. The disks 51 and 52 of the disk valve 4 are in the standby state A shown in FIG. In this standby state A, the fixed disk 5
The respective passages 51b and 51c and the passage 51e of No. 1 are communicated with each other through the second communication passage 52b of the rotating disc 52, and the anus washing water pipe portion 42 and the bidet washing water pipe portion 43 are in a drained state, and the washing nozzles 6a are provided. , 6b is maintained at the retracted position. In this state, the through holes 51d and 51a are communicated with each other through the first communication path 52a, but since the electromagnetic opening / closing valve 56 is closed, the cleaning water is not supplied to the tip side cylinder chamber Rc, and the tip side is not supplied. The wash water in the cylinder chamber Rc is discharged into the toilet via the wash water leak gap Lc, and there is no water pressure in the tip side cylinder chamber Rc.

Now, for example, when the anus washing button is pressed at the time shown in washing ON in FIG. 7, the electromagnetic opening / closing valve 56 is opened. At this time, the rotating disk 52 starts rotating almost at the same time, the communication between the through hole 51a and the through hole 52d is released, and
The cleaning water supply to the base end side cylinder chamber Sc of the cylinder 7a is cut off from the B state to the C state. In the C state, the through hole 51b and the through hole 51a are communicated with each other through the first communication path 52a, and the cleaning water from the water supply source 54 is supplied to the proximal cylinder chamber Sc.
It is the initial state when the feeding is started. When the rotating disk 52 further rotates from this rotation angle, as shown in FIG. 7, the amount of washing water supplied to the base end side cylinder chamber Sc is gradually increased by the water flow adjusting concave portion 51b ', and the anus is increased. The cleaning nozzle 6a starts to move forward. The feed amount is set in advance by adjusting the water pressure, and therefore becomes constant at a certain feed amount.
Cleaning water is ejected from the discharge hole Pa of the anus cleaning nozzle 6a. The disc valve 4 in this state is shown by D in FIG. 6 (A). In the D state, the water force is set to the maximum.

Next, when the cleaning stop button is pressed,
As shown in FIG. 6, the electromagnetic opening / closing valve 56 is once closed to interrupt the supply of washing water from the source water passage 54a. After that, the disk valve 4 goes through the states E and F in FIG.
Will be opened again soon after. This electromagnetic on-off valve 56
Although the water pressure in the base end side cylinder chamber Sc decreases while is closed, it is in a state of receiving the residual pressure from the cleaning water tank 2 side. However, in the present embodiment, the electromagnetic opening / closing valve 56 is temporarily opened almost at the same time when the disc valve 4 returns to the standby state A, and the cleaning water is again fed from the water supply source 54 to the disc valve 4. This cleaning water is sent to the tip side cylinder chamber Rc through the through hole 51d and the through hole 51a that communicate with each other in the standby state A. Therefore, the anus washing nozzle 6a is quickly retracted by both the return spring 11a and the pressure of the washing water supplied to the tip side cylinder chamber Rc. In this way, in this embodiment, it is possible to prevent a delay in the backward movement operation due to the residual pressure in the wash water tank 2 immediately after the wash water is cut off.

The disc valve 4 of the present embodiment is in a state in which it is possible to supply the cleaning water to each tip side cylinder chamber Rc after the cleaning operation is completed. This causes the cleaning water to be supplied to each tip side cylinder chamber Rc and flow out from the cleaning water leakage gap Lc at the start of the cleaning operation, whereby each tip side cylinder chamber Rc and each cleaning nozzle 6
a and 6b can be washed.

In the case of bidet washing, the turning disk 52 is turned in the opposite direction to the above, and as shown in FIG. 6B, the passage 51c and the passage 51D communicate with each other in the standby state A, The retracted position of the cleaning nozzle 6b is maintained. When the cleaning is started, the passages 51c and 51a communicate with each other through the B state, and the cleaning water is supplied to the base end side cylinder chamber Sc (C state).
When the cleaning is stopped, the passages 51e and 51c communicate with each other, and the base end side cylinder chamber Sc is drained. Then, the disk valve 4 is temporarily returned to the standby state A, and at the same time, the open state of the electromagnetic opening / closing valve 56 causes the tip side cylinder chamber Rc.
The washing water is supplied to the nozzle to quickly retract the bidet washing nozzle 6b.

In the above embodiment, the water supply is used as the water supply source. However, when the water pump is installed in the low tank, the electromagnetic opening / closing valve is operated by the water pump. do it. Further, the same effect can be achieved by providing the disc valve 4 in the wash water tank as a matter of course.

Further, as for the positions of both disks 51 and 52, the rotary disk 52 is fitted on the elastic member 53 side, and the operating portion 48 is provided.
Even if the fixed disk 51 is fitted on the side, the same effect as in the above embodiment can be obtained. In this case, the communication path of the rotating disk 52 becomes a through hole, and the path of the fixed disk 51 becomes a recess.

[0026]

As described above, according to the invention of this application, the backward movement of each washing nozzle of the anus washing nozzle mechanism and the bidet washing nozzle mechanism feeds the biasing force of the return spring and the tip side cylinder chamber. The water pressure is applied to the tip side cylinder chamber of the nozzle mechanism that should be in the non-washing state when switching between the anal washing state and the bidet washing state by the disc valve. Since the washing water is sent to the base end side cylinder chamber of the washing nozzle mechanism that should be in the washing state after being sent, the washing nozzle of the nozzle mechanism that should be in the non-washing state is the urging force of the return spring and the washing water. The water pressure causes the nozzle mechanism to retreat more quickly than before, and the possibility of interfering with the advancing cleaning nozzle of the nozzle mechanism that should be in the cleaning state is extremely low. Also, when the cleaning water is supplied to the proximal cylinder chamber of the cleaning nozzle mechanism that should be in the cleaning state, the cleaning water in the distal cylinder chamber of this nozzle mechanism is discharged, so The required water pressure in the base end side cylinder chamber is sufficient to overcome the biasing force of the return spring.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the invention of this application.

FIG. 2 is a cross-sectional view showing the internal configurations of the anus washing nozzle mechanism and the bidet washing nozzle mechanism in the embodiment of FIG.

3A and 3B show a configuration of a disc valve in the embodiment of FIG. 1, where FIG. 3A is a front view and FIG. 3B is a sectional view.

4 shows the components of the disc valve of FIG.
(A) is a rotating disk, (B) is a fixed disk,
(C) is a figure which respectively shows an elastic member.

5 is a diagram showing the water circuit of the embodiment of FIG.

FIG. 6 is an operation explanatory diagram of the embodiment in FIG.

FIG. 7 is a timing chart explaining the operation of the embodiment of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Washing nozzle device 1A ... Nozzle mechanism for anus washing 1B ... Nozzle mechanism for bidet washing 2 ... Washing water tank 3 ... Housing 4 ... Disk valve 6a ... For anus washing Nozzle 6b ... Bidet cleaning nozzle 7a ... Anal cleaning nozzle mechanism cylinder 7b ... Bidet cleaning nozzle mechanism cylinder 10a, 10b ... Piston part Sc ... Proximal end side cylinder chamber Rs. .. tip side cylinder chamber Lc ... wash water leakage gaps 11a, 11b ... return spring 41 ... water supply pipe portion 42 ... anus wash water pipe portion 43 ... bidet wash water pipe portion 44 ... reverse Pipe portion 45 ... Drain pipe portion 46 ... Disc valve casing 51 ... Fixed discs 51a to 51e ... Through hole 52 ... Rotating discs 52a, 52b ... Communication Road 53 ... elastic member 54 ... water supply 55 ... pressure control valve 56 ... electromagnetic switch valve

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Atsushi Sawaki 2-1, Asahi-cho, Kariya city, Aichi Prefecture Aisin Seiki Co., Ltd. (72) Shinji Kawai 2-1-1, Asahi-cho, Kariya city, Aichi prefecture Aisin Seiki Co., Ltd.

Claims (2)

[Claims] 1. A washing toilet seat device having a nozzle mechanism for anus washing and a nozzle mechanism for bidet washing which are arranged in parallel on the rear side of the toilet seat, wherein each nozzle mechanism has a discharge hole for washing water at its tip. Have,
A cleaning nozzle having a piston portion at the base end portion, a bidet cleaning nozzle having a cleaning water discharge hole at the tip end portion, and a piston portion at the base end portion, and the cleaning nozzle insertable so as to advance and retract, The piston part has a cylinder chamber for the proximal end side and a cylinder chamber for the distal end side, and has an anus washing nozzle cylinder and a bidet washing nozzle cylinder in which openings for letting in and out washing water are formed in these cylinder chambers. , The front end side cylinder chamber is drained and the cleaning water is fed to the base end side cylinder chamber, whereby the cleaning nozzle moves forward against the biasing force of the return spring and the discharge is performed at the forward position. Cleaning water is sprayed from the hole to clean the human body part, and the proximal cylinder chamber is drained and the cleaning water is fed to the distal cylinder chamber, whereby the cleaning nozzle sprays cleaning water. To In addition, the urging force of the return spring and the water pressure of the cleaning water retreat, and means for selectively supplying and discharging the cleaning water to and from the base end side cylinder chambers and the tip end side cylinder chambers are coaxially arranged. The disk valve includes a fixed disk and a rotary disk disk that are arranged adjacent to each other. The washing water supply to the chamber is stopped, and during the anal washing operation, it is rotated in one direction from the standby state, so that the proximal side cylinder chamber of the nozzle mechanism for the anal washing is fed from the draining state to the washing water. When the bidet cleaning operation is switched to the supply state, the base end side cylinder chamber of the bidet cleaning nozzle mechanism is switched from the drainage state to the wash water supply state by being rotated in the other direction from the standby state. A wash toilet seat device. 2. The flush toilet seat device according to claim 1, wherein the disc valve is provided with a first through hole communicating with a water supply pipe section through which flush water is selectively supplied, and a nozzle mechanism for cleaning the anus. Second and third through holes that communicate with the base end side cylinder chamber and the base end side cylinder chamber of the bidet cleaning nozzle mechanism, respectively, and a fourth through hole that communicates with both the tip end side cylinder chambers, and The fixed disk having a fifth through hole communicating with the drainage pipe portion and the first through hole are provided in the second and third
And a communication path for selectively communicating with any of the fourth through holes and a communication path for selectively communicating the fifth through hole with any of the second and third through holes. A rotating disk having a passage, and a gap for washing water leakage communicating with the tip side cylinder chamber is provided at a fitting sliding portion of the tip wall of each cylinder and each washing nozzle. Cleaning toilet seat device.