JPS6225631A - Toilet bowl washing apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a toilet bowl cleaning device that supplies flush water to a toilet bowl based on sensing by a user using a sensing section.

<Prior Art> Conventionally, as a toilet bowl cleaning device of this type, there is one disclosed in Japanese Utility Model Publication No. 57-46472 shown in FIG. 7, for example.

In the case shown in Fig. 7, the main valve body (2a) is horizontally inserted into the water supply main body (A1) from the left side, and the valve body (1a) of the water stop valve (1) is inserted from above. After inserting and deploying it vertically, insert it into the box (F) that is embedded in the wall (G), and connect the water supply pipe and discharge pipe to the water supply main body (A1). The water supply unit main body (A1) is fixed.

Therefore, in the case of the one in Figure 7, during maintenance inspection,
Even if you try to remove only the main valve body 2a) or the valve body (1a) of the water stop valve (1) from the water supply main body (A1) while 1) remains fixed in the piping, it will not be placed inside the box (F). Because it hit the electric control unit (B) and the inner wall of the box (F) and could not be removed, I took the trouble to remove the water supply unit main body (A1) from the box (F).
Maintenance and inspection work could not be performed without removing it from the

<Problems to be Solved by the Invention> The problem to be solved by the present invention is to enable the main valve body and the valve body of the stop valve to be easily attached and detached while the main body of the water supply unit remains fixed to the piping. It is.

<Means for Solving the Problems> The technical means taken by the present invention to solve the above problems include a sensing part that detects the user of the toilet bowl, and a water supply part activated by this sensing part. In the toilet bowl cleaning device, the water supply section has two openings on the side of the main body (1) of the water supply section. These openings were equipped with valve bodies for water stop valves and a main valve body that opened and closed electrically.

<Function> The present invention enables the main valve body and the valve body of the water stopcock to be attached and detached from the front side of the water supply unit main body.

<Example> Hereinafter, one embodiment of the present invention will be described based on the drawings.

In this embodiment, as shown in FIG. 1, the water supply section (A) is constructed of a solenoid valve (3) and a flush valve (2) that opens and closes by the operation of the type valve (3).

The main body (A1) of the water supply section (A>) is a metal tube bent into an approximately inverted V-shape from the front, forming a flow path (A2) inside, and an inlet (A3) and an outlet (A4) at both lower ends. ), and connect a water supply pipe (D) that connects to the water supply source to the inlet (A3) and a discharge pipe (E) that connects to the toilet bowl (1) to the outlet (A4), and The front side of the unit has a small diameter opening (A5) for attaching a water stop valve (1), and a flush valve (
2) A large-diameter opening (A6) for mounting is opened so as to communicate with the flow path (A2) sequentially from the -next side.

The water stop valve (1) includes a water stop valve body (1a) which is screwed onto the inner circumferential surface of the small diameter opening (A5) so that it can move forward and backward in the rearward direction, and a water stop valve body (1a) that has a Water stop valve seat formed on the next side (1b)
By engaging a tool such as a screwdriver with a tool engagement groove (1C) recessed in the front surface of the water stop valve body (1a) and rotating the water stop valve body (1a), the water stop valve body (1a) can be stopped. Water valve body (1
a) The rear end surface approaches and separates from the water stop valve body (1a) to open the flow path (A2).
) can be opened and closed.

The flush valve (2) includes a main valve body (2a) disposed within the large-diameter opening (A6) so as to be freely movable in the front-rear direction;
It consists of a main valve seat (2b) formed on the downstream side of the main valve body (2a), and a lid (2C) screwed onto the opening edge of the large diameter opening (A6) so as to be freely forward and backward. , the main valve body (2a
) and n (2C), a pressure chamber (2d) is defined.

The main valve body (2a) has small holes (2e) formed in the front-rear direction at appropriate positions, and pressure is applied through the small holes (2e). (2d) and the negative side, the rear peripheral edge (2a+) is in close contact with the main valve seat (2b) in the closed state, and the guide vane (2a2) protruding from the center of the rear peripheral edge (2a+) is in close contact with the main valve seat (2b). (2b) and extends to the secondary side.

The lid (2C) has a tool engagement groove (2CI) in the front where a tool such as a screwdriver engages, and a through hole (2C2) that extends in the front-rear direction in the center, and a pressure chamber in the center of the rear surface. A cylindrical portion (2C3) protruding toward (2d) is integrally formed, and the rear half of the cylindrical portion (2c3) is positioned within a concave portion (2a3) formed on the front surface of the main valve body (2a). The adjustment screw (2[) is screwed into the circumferential surface from the through hole (2C2) so that it can be moved back and forth.

Depending on how screwed in the adjustment screw (2[) is, when the main valve body (2a) is operated, the rear end surface of the screw (2[) comes into contact with the inner bottom surface of the concave portion (2a3), so that the main valve body The opening degree of the main valve part (2g) is adjusted by adjusting the moving distance of (2a).
In other words, the water supply is adjusted.

In addition, the pressure chamber (2d) has a U (2C) and a concave portion (2a).
A spring (2d+) is loaded between the solenoid valve (3) and the solenoid valve (3) is connected via a connecting pipe (4) formed in an inverted U-shape from the front. Pressure 1 (
2d> and the outlet <A4).

The connecting pipe (4) has two nuts (4a) (4b)
It is detachably attached to the water supply unit main body (A1) and the solenoid valve (3) which form the pressure chamber (2d).

The solenoid valve (3) includes a valve seat (3b) formed in the middle of a passage in the solenoid valve body (3a), a valve body 3c) disposed so as to be able to move toward and away from the valve seat (3b), and this valve. It consists of a spring (3d) that biases the valve body (3C) in the valve closing direction, and a solenoid (3e) arranged around the outer circumference of the valve body (3C).When the solenoid (3e) is not energized, the spring (3d) This brings the valve body (3C) into close contact with the valve seat (3b) to close the valve, and when the solenoid (3e) is energized, its electromagnetic force closes the valve body (3C).
3C) in the valve closing direction to open the valve, and the pressure chamber (2d
) flows out to the outlet (A4) [then close the water and operate the flush valve (2).

That is, in the flush valve (2), as the water in the pressure chamber (2d) decreases, the main valve body (2a) gradually moves toward the lid (2C), and the main valve part (2g) opens to release water. 3. Fill (I) with water.

When the power to the solenoid (3e) is cut off, the water on the primary side starts to gradually flow into the pressure chamber (2d) through the small hole (2e), and the main valve body (2a) gradually moves into the main valve. It moves toward the seat (2b), and finally the main valve part (2g) closes.

The secondary end (3a') of the solenoid valve main body (3a) is formed into a cylindrical shape, and has two annular flanges (3a') on its outer peripheral surface.
+ ) (3az > protruding at appropriate intervals, and with the O-ring (3a4) fitted into the recess (3a3) formed between these two flanges (3a+ > (3a2)), the water supply Insert into the receptacle (A7) opened vertically on the secondary side of the main body (A1).

A set screw (5) is screwed into the peripheral wall of this mounting opening (A7) in a direction perpendicular to the axis of the opening (A7) so that it can move forward and backward,
By projecting the tip of this set screw (5) to the inner peripheral surface of the mounting port (A7) and locking it to the upper flange (3a+), the solenoid valve main body (3a) and the water supply main body (A+) are connected. It is connected.

On the other hand, energization of the solenoid (3e) of the electromagnetic valve (3) is controlled by the electric controller (B).

The electric control unit (B) is arranged and fixed in a front rectangular box (F) in which the water supply unit (A) is arranged, and is electrically connected to the solenoid (3e) and the sensing unit (C) described below, The solenoid (3e) is energized for a predetermined period of time based on a sensing signal from the sensing portion (C).

The sensing section (C) is, for example, a diffuse reflection type photoelectric sensor that generates a sensing signal by receiving infrared rays emitted from a light emitting element and reflecting on the user of the toilet, and receiving this reflected light with a light receiving element. , wall surface < G) is fixed to the front rectangular cover (H) that covers the front surface of the recess (G1).

The illustrated example shows a case where the sensing part (C) is embedded in the wall (G), and is attached to the cover plate (F+) fixed to cover the front of the box (F) via bolts (F2). The mounting plate (F3) is mounted flush with the front surface of the wall (G), and the cover (H) is mounted on the front surface of the mounting plate (F3) with a permanent magnet (F4).

In the above embodiment, the water supply part (△) is connected to the solenoid valve (3).
) and a flush valve (2), but it is not limited to this, and it is also possible to configure the water supply part with a solenoid valve.
In addition, the shape of the box ('') and cover (H) that house the water supply part (△) is not limited to the rectangular shape shown in the figure.
For example, as shown in FIGS. 5 and 6, it may be formed into a square shape from the front.

<Effect of the invention> Since the present invention has the above configuration, it has the following advantages.

■ The main valve body and the valve body of the water stop valve can be removed from the front side of the water supply unit body, so you can attach the water supply unit body to the water supply pipe or the water supply unit without removing it from the box like in the conventional case. The main valve body and the valve body of the water stop valve can be easily attached and detached with the piping fixed to the outlet pipe, and maintenance and inspection work is easy.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional front view of a toilet bowl cleaning device showing an embodiment of the present invention, and FIGS. 2 and 3 are lines (I[>-(n) and (III)-([1) 4 is a perspective view, FIG. 5 is a cross-sectional front view of a toilet bowl cleaning device showing an embodiment of the present invention, FIG. 6 is a perspective view thereof, and FIG. 7 is a conventional toilet bowl. It is a cross-sectional plan view that does not show an example of the cleaning device. △...Water supply part A1...Water supply part main body As
, As...Opening part 1...Water stop valve 1a...Water stop valve body 2a...Main valve body B...Electric control section C...Sensing section G...Wall surface G
1...In the case of a recess Applicant Totoki Co., Ltd. Figure 2 Figure 3 Figure 4 Figure 3 Figure 6

Claims (1)

[Claims] It is equipped with a sensing section that detects the user of the toilet bowl, an electric control section that is activated by the sensing section to operate the water supply section, and a water supply section that is disposed in a recess provided in the wall and supplies flushing water to the toilet bowl. In the toilet bowl cleaning device, two openings are provided on the front side of the main body of the water supply section, and a valve body of a water stop valve and a main valve body that is opened and closed by electricity are respectively attached to these openings. Toilet cleaning device.