JP3287506B2 - Disc valve for switching the channel of the cleaning nozzle device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc valve for switching a water channel of a cleaning nozzle device for switching the supply of cleaning water to a nozzle for anal cleaning or a nozzle for bidet cleaning by a combination of a fixed disk and a rotating disk. .

[0002]

2. Description of the Related Art A washing nozzle device which is installed on a toilet to perform sanitary stool is provided with a cleaning water passage in which an anal cleaning nozzle and a bidet cleaning nozzle are inserted into respective cylinders so as to be able to advance and retreat and communicate with each cylinder. More cleaning water is selectively supplied to each cylinder to set one of the cleaning nozzles to the forward position. Each washing nozzle injects washing water toward the human body part from the discharge hole at the tip at the forward position.

As a valve means for selectively supplying cleaning water to each of the above-described cleaning nozzles, a means using a disk valve has been disclosed in Japanese Patent Application Laid-Open No. Sho 62-170624. FIG. 7 shows an example of a disk valve used in a conventional cleaning nozzle device. The disc valve shown in FIG. 7 includes a fixed disc 72 made of ceramics or the like fitted in a casing 71, a rotating disc 73 made of ceramics or the like superimposed on the fixed disc 72 in a watertight manner,
Handle 74 for rotating the rotating disk 73
And a spring 75 for pressing the rotating disk 73 onto the fixed disk 72. Rotating disk 7
3 and the handle 74 are engaged with the engaging recess 7 of the rotating disc 73.
The engagement is achieved by fitting the engagement protrusion 74a of the handle 74 into the handle 3a. The fixed disk 72 has a through hole (not shown) connected to the anal washing water channel 76, a through hole 72 a connected to the bidet washing water channel 77, and a through hole (not shown) connected to the water supply channel 78.
And a through-hole (not shown) connected to the drainage channel are formed at equal intervals in the outer peripheral area, for example. A concave portion 73b is formed in the outer peripheral area of the overlapping surface of the rotating disk 73 with respect to the fixed disk 72, for switching and communicating each through hole of the fixed disk 72.

The above-mentioned disc valve sets the rotating disk 73 to the following rotating position with respect to the fixed disk 72 by, for example, electromagnetically operating the handle 74, thereby setting the anal cleaning nozzle or bidet cleaning nozzle. Operate. For example, when the rotating disk 73 is rotated so that the through hole of the fixed disk 72 connected to the anal cleaning water channel 76 is connected to the drainage channel, the anal cleaning nozzle assumes the retracted position. This is due to the action of a return spring interposed between each cylinder and the anal irrigation nozzle. When the rotating disk 73 is rotated so that the through hole of the fixed disk 72 connected to the anal cleaning water channel 76 is connected to the water supply channel 78, the anal cleaning nozzle takes the forward position.

[0005]

In the conventional flush toilet seat apparatus, the water passage switching disc valve secures the pressure contact force between the discs 72, 73 by a spring 75 for pressing the rotating disc 73 onto the fixed disc 72. At the same time, watertightness is achieved only by this pressing force. The pressing force between the disks 72 and 73 by the spring 75 depends on the fastening force between the casing 71 and the support portion 74b of the handle 74. Specifically, the casing 71 and the handle 7
4 support part 74b is a plurality of screws 7
9 is fastened.

However, when two discs are pressed against each other by the tightening force of a plurality of screws, it is difficult to ensure a uniform pressing force over the entire surfaces of both disks, and the screw tightening operation is troublesome. In addition, a spring and a screw are required to secure the pressure contact force, and the number of parts increases in consideration of the seal of the water channel switched by both disks.

The present invention provides a disc valve for switching a water channel of a flush toilet seat device which has a small number of parts and is easy to assemble, while simultaneously maintaining the pressure contact force between the fixed disk and the rotating disk and maintaining the watertightness of the passage as the water channel. Aim.

[0008]

According to the present invention, there is provided a flush toilet seat device having a water path switching disc valve which is provided at one end in an axial direction with a water supply pipe portion into which flush water from a water supply source is introduced and a cylinder chamber of a flush nozzle. is an end wall which have a cleaning water tube portion for guiding the washing water forms a casing the other end is opened, rotatable around the axis to form a valve chamber to close the other end of the casing a closure member having an operating portion, wherein a water supply pipe portion and the cleaning water tube portion and fixed disks Osamuhama in the valve chamber has a respective passage which correspond respectively, engaged with the operating portion overlapping with respect to the fixed disc Communication path on mating surface
Is formed, and the respective passages corresponding to the water supply pipe portion and the washing water pipe portion of the fixed disk are communicated with each other by the rotation operation.
A rotating disk that performs valve that communicates through and Hiren through the use channel, a coherent water leakage into the edge of the water supply pipe portion and the cleaning water tube section interposed between said fixed disk and said end wall
And a sealing elastic member for preventing the fixed disk elastically .

[0009]

The casing in which the disc valve of the present invention is fitted has an end wall having a water supply pipe section and a washing water pipe section formed on one side in the axial direction, and a rotating disk formed on the other open end in the axial direction. A closing member having an operating portion engaged with the closing member is coupled. The elastic member of the present invention is interposed between the end wall and the fixed disk, and tightly seals each edge of the water supply pipe section and the washing water pipe section formed on the end wall. When the closing member is coupled to the casing, the elastic member is pressed by the coupling force via the rotating disk and the fixed disk engaged with the operation unit. Accordingly, the elastic force opposing the pressing force applies a pressing force to the rotating disk and the fixed disk.

[0010]

As described above, according to the present invention, the end wall of the casing having the water supply pipe and the washing water pipe and the fixed disk having the respective passages corresponding to the water supply pipe and the washing water pipe are provided. An elastic member for sealing that is in close contact with each edge of the water supply passage and the washing water passage is interposed therebetween. While maintaining the watertightness of the waterway, the number of parts is small and the assembling can be easily performed.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a disk valve of a cleaning nozzle device according to the present invention will be described below in detail with reference to FIGS. In FIG. 1, a cleaning nozzle device 1 to which a disk valve according to the present embodiment is applied includes a cleaning water tank 2 for sequentially storing cleaning water from a water supply source such as tap water as hot water, and a housing 3 installed on a rear portion of a toilet. It is installed in.

The cleaning nozzle device 1 has a nozzle mechanism 1A for anal cleaning and a nozzle mechanism 1B for bidet cleaning, and a water channel to which the cleaning water from the water supply source is supplied to each of the nozzle mechanisms 1A and 1B. And a disc valve 4 to be integrated with a fixed plate 5, for example. Specifically, as shown in FIG. 2, each of the nozzle mechanisms 1A and 1B can advance and retreat an anal cleaning nozzle 6a and a bidet cleaning nozzle 6b having a cleaning water discharge hole Pa at each end thereof to each of the cylinders 7a and 7b. Is interpolated in Each cylinder 7a, 7b is provided with openings Sa, 9a at the base end side, through which cleaning water enters and exits, and with openings Sb, 9b at the tip end side, through which cleaning water enters and exits.
And piston parts 10a and 10b are provided in the base end part of each nozzle 6a and 6b for washing. The piston parts 10a, 10b open the cylinders 7a, 7b with the openings Sa, S
b, and a distal cylinder chamber Rs having openings 9a and 9b. Return springs 11a, 11b for urging the respective cleaning nozzles 6a, 6b to the retracted positions are mounted in the respective front end cylinder chambers Rs. Valve bodies 13a, 13b for opening and closing the water passage into the nozzle by the biasing springs 12a, 12b having a greater elastic force than the return springs 11a, 11b are fitted in the water passage portions of the piston portions 10a, 10b. .

The disk valve 4 is shown in FIGS. 3 (A) and 3 (B).
As shown in the figure, an anus cleaning water pipe 42 and a bidet cleaning water pipe 43 for guiding the cleaning water to a base cylinder chamber Sc of the cylinder 7a or 7b with a water supply pipe 41 into which cleaning water from a water supply source is introduced at the center. End wall 4 formed with a reverse water pipe section 44 and a drain pipe section 45 for guiding common washing water to the openings 9a and 9b.
The casing 46 mainly includes a casing 46 composed of a peripheral wall 46b and a peripheral wall 46b. The peripheral wall 46b is open on the side opposite to the end wall 46a, and the open edge of the peripheral wall 46b has a casing 4
6, a closing member 49 having an operating portion 48 rotatable about an axis is formed.

As shown in FIG. 4B, a passage 51 communicating with the water supply pipe 41 is provided in an inner peripheral area of the valve chamber 47.
a is a passage 51 communicating with the anal irrigation water pipe 42 in the inner peripheral area.
b, a passage 51 c communicating with the bidet washing water pipe 43, a passage 51 d communicating with the reverse water pipe 44, and a drain pipe 4.
A fixed disk 51 formed with an outer peripheral area and a passage 51e communicating with the fixed disk 51 is fitted therein. A rotary disk 52 engaged with the operation section 48 is fitted in the valve chamber 47. As shown in FIG. 4A, the rotating disk 52 has a first communication path 52a extending in a radial direction and a second communication path 52b extending in a circumferential direction on a surface superimposed on the fixed disk 51. Is formed.

Further, the fixed disk 51 and the end wall 46a
As shown in FIG. 4C, each of the passages 51a to 51a
Each of the through-holes 53a to 53e has a water supply pipe 41, an anal irrigation water pipe 42, a bidet irrigation water pipe 43, a reverse water pipe 44, and a drain pipe 45. And the passages 51a-
An elastic member 53 that is in close contact with the edge of 51e is inserted. The elastic member 53 is made of a material such as rubber or elastomer. Both disks 51 and 52 are made of ceramics or the like.

Here, the closing member 49 is connected to the peripheral wall 46b.
The elastic member 53 is pressed by the force when the elastic member 53 is fitted. In this case, a slip washer 61 is interposed between the rotating disk 52 and the closing member 49. In the present embodiment, the peripheral wall 46b and the disks 51, 52
A seal member 53 ′ made of the same material as the elastic member 53 is interposed between the outer peripheral end of the seal member 53 and the elastic member 53.

It should be noted that the passages 51b, 5
1c and 51e are provided with water flow adjusting recesses 51b 'and 51e in which the water pipe portion gradually narrows in the rotating direction of the rotating disk 52.
c 'and 51' are connected in series. FIG. 5 shows a 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 disc valve 4. In FIG. 5, reference numeral 41a denotes a water supply port of the water supply pipe 41, 4
2a is a discharge port of the anal cleaning water pipe section 42, 43a is a discharge port of the bidet cleaning water pipe section 43, and 44a is a discharge port of the reverse water pipe section 44. Wash water is supplied to the water supply pipe 41 of the disc valve 4 from the wash water tank 2 disposed on a source water passage 54 a for supplying wash water from a water supply source 54. In addition, a pressure adjusting valve 55 for adjusting the water pressure in the washing water tank 2 and an electromagnetic opening / closing valve 56 that opens during an anal washing operation and a bidet washing operation are interposed in the source water passage 54a. The outlet port 42a of the anal cleaning water pipe section 42 is connected to the opening Sa of the cylinder 7a via a water guide pipe 57, and the bidet cleaning water pipe section 43 is provided.
Is connected to the opening Sb of the cylinder 7b via a water pipe 58. The discharge port 44a of the reverse water pipe section 44 is connected to the openings 9a and 9b of the cylinders 7a and 7b via a water pipe 59.

The cleaning nozzle device 1 configured as described above
In FIG. 6, when each of the cleaning nozzles 6a and 6b is at the retracted position, both disks 51 and 52 of the disk valve 4
As shown in (B), when the passage 51a and the passage 51d are in a rotating position where they communicate with each other, the reverse water pipe 44 and the water supply pipe 41 are connected to each other.
And are communicated. In this state, for example, when the anal cleaning button is operated, the electromagnetic opening / closing valve 56 is opened, and the electromagnetic opening / closing valve 56 is supplied to the water supply pipe 41 via the pressure regulating valve 55 and the cleaning water tank 2 in a series configuration. It is fed to the proximal cylinder chamber Sc. At this time, the washing water is also supplied to the distal end cylinder chamber Rc through the reverse water pipe portion 44 and the water guide pipe 59 immediately after the rotation disk 52 is started. The anal cleaning nozzle 6a is provided in the proximal cylinder chamber Sc.
When the washing water is introduced into the cylinder 7a, the return spring 11a is contracted by the pressure applied to the base end portion, and moves forward in the cylinder 7a. The flushing water continues to be further supplied to the cylinder 6a even when the anal cleaning nozzle 6a has almost reached the forward position, so that the urging spring 12a is contracted, and the valve 13a moves in the forward direction so that the anal cleaning nozzle 6a moves forward. The water channel of the nozzle 6a is opened.
As a result, cleaning water is injected from the discharge hole Pa of the anal cleaning nozzle 6a, and the anal cleaning is performed. FIG. 6C shows the rotational positions of both disks 51 and 52 at this time. In addition,
The state shown in FIG. 6C represents a case where the water force is at a maximum, and the communication path 52a communicates the passage 51b with the passage 51a. When the water force is smaller than the maximum, the communication path 52a overlaps the water flow adjusting recess 51b '.

In the case of bidet cleaning, the rotating disk 52 is rotated in the opposite direction to the above, and as shown in FIG. 6A, the communication passage 52a overlaps the passage 51c or the water flow adjusting recess 51c '. When the anal cleaning nozzle 6a or the bidet cleaning nozzle 6b is at the retracted position, the drain pipe portion 54 is connected to the communication passage 52.
The passages 51b and 51c and the passage 51e are communicated by b, and each base end cylinder chamber Sc is set in a drained state.

The above-described operation of the disc valve 4 of the present embodiment enables anal cleaning and bidet cleaning. By the way, the elastic member 53 is connected to each edge of the water supply pipe 41 and the washing water pipe 44 and the passages 51a, 51 on the fixed disk side.
b and 51c, the valve chamber 47
It is possible to prevent the washing water from leaking into the washing machine. When the closing member 49 is fitted to the peripheral wall 46b, the closing member 49 is pressed through the rotating disk 52 and the fixed disk 51 engaged with the operating portion 48 by the coupling force of the fitting. Therefore, a pressing force is applied between the two disks by the elastic force opposing the pressing force, and a watertight state is achieved.

The closing member 49 and the peripheral wall 46b
Is to deform the elastic ring 60 covered on the outer peripheral surface of the closing member 49 and press-fit the closing member 49 into the peripheral wall 46b. As a result, a uniform pressing force can be applied to the entire surfaces of both disks 51 and 52. In the above embodiment, the structure integrated with the cleaning nozzle device 1 has been described. However, the same effect can be achieved by providing the disk valve 4 as well as the cleaning water tank.

Further, the present invention can be applied to a case where only one of the anal cleaning nozzle and the bidet cleaning nozzle is used. Further, the positions of both disks 51 and 52 are
The rotating disk 52 is fitted on the elastic member 53 side, and the operation unit 4
Even if the fixed disk 51 is fitted on the 8 side, it is the same as the embodiment with a slight modification.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a cleaning nozzle device to which a water path switching disk valve of the present invention is applied.

FIG. 2 is a cross-sectional view showing an internal configuration of an anal cleaning nozzle and a bidet cleaning nozzle.

FIG. 3 shows a configuration of a disk valve according to the present invention,
(A) is a front view, (B) is a sectional view.

FIG. 4 shows the disc valve in more detail;
FIG. 4 is a plan view showing a rotating disk, FIG. 4 (B) is a fixed disk, and FIG.

FIG. 5 is a circuit diagram showing a water circuit according to the present invention.

FIG. 6 is an operation explanatory diagram of the present invention.

FIG. 7 is a configuration diagram showing a conventional disk valve.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Cleaning nozzle apparatus, 4 ... Disc valve, 6a ... Anal cleaning nozzle, 6b ... Bidet cleaning nozzle, 7a, 7b ...
Cylinder, Sc: proximal cylinder chamber, Rc: distal cylinder chamber, 41: water supply pipe, 42: anal cleaning water pipe, 43
... bidet washing water pipe part, 45 ... drain pipe part, 46 ... casing, 46a ... side wall, 46b ... peripheral wall, 47 ... valve room, 48 ...
Operating part, 49 ... closing member, 51 ... rotating disk, 52 ...
Fixed disk, 53 ... elastic member.

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Atsushi Sawaki 2-1-1 Asahicho, Kariya-shi, Aichi Aisin Seiki Co., Ltd. (72) Inventor Koichi Hayashi 2-1-1 Asahicho, Kariya-shi, Aichi Aisin Seiki (56) References JP-A-62-170625 (JP, A) JP-A-2-26685 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) E03D 9/08

Claims (1)

(57) [Claims] 1. A cleaning nozzle having a cleaning water discharge hole at a tip end is inserted into a cylinder so as to be able to advance and retreat, and cleaning water from a water supply source is supplied to one of cylinder chambers divided by the cleaning nozzle. A cleaning nozzle device for advancing the cleaning nozzle and injecting cleaning water from the discharge hole at a forward end position, stopping the supply of the cleaning water, and retreating the cleaning nozzle; A casing having an end wall having a water supply pipe part into which cleaning water from a water supply source is introduced at one end and a cleaning water pipe part for guiding the cleaning water to the cylinder chamber, the other end of which is open; The valve chamber has a closing member having an operating portion rotatable about an axis while forming a valve chamber by closing the other end portion, and each of the passages respectively corresponding to the water supply pipe portion and the washing water pipe portion. Fixed disk fitted A communication path is formed in the overlapping surface with the fixed disk, which is engaged with the operation portion, and the fixed
Each of the above-mentioned water supply pipe section and washing water pipe section corresponding to the disk
A rotating disk that performs valve that communicates through and Hiren through the passage communicating passageways, each edge of the interposed the water supply pipe portion and the cleaning water tube portion between said end wall and said fixed disk Adhering to prevent water leakage and elastic the fixed disk
A disc valve for switching a water channel of a washing nozzle device, comprising: an elastic member for sealing;