JP2817118B2 - Flush toilet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush toilet. More particularly, the present invention relates to a flush toilet that can prevent dirt from adhering to the bowl surface of a toilet bowl and can be used in a clean state at all times.

[0002]

2. Description of the Related Art Conventionally, flush toilets having various designs and structures have been known. These flush toilets are variously classified according to the type of waste and waste water discharged after use. However, since the bowl surface of the toilet bowl is dry at the time of use, there is a problem that dirt easily adheres to the bowl surface, and the dirt adhering to the toilet bowl cannot be easily washed away even by the water force of the washing water.

In order to solve such a problem of the conventional flush toilet, a so-called flush flush toilet (A) as shown in FIG. 6 has been proposed. The flush toilet (a) guides the water in the water storage tank (b) from the water supply chamber (c) to the rim water passage (d), discharges the flush water from the water outlet (e), and discharges the flush bowl surface (c). ) Is flushed, but separately from such cleaning water for discharging dirt, the cleaning water is spouted from a nozzle (h) provided on the inner side wall (g) of the ball surface, so that the toilet bowl surface (ca) is flushed. ), A water film is formed in advance to prevent adhesion of dirt.

[0004] Such washing water for forming a water film, for example, when some sensing means senses the use of the toilet (A), the pump (U) and the solenoid valve (SA) in the main body case (K). Is operated for a certain period of time, the water in the water storage tank (a) is supplied to the nozzle (h), and is automatically ejected to the ball surface (h).

[0005]

However, in the case of the conventional flush toilet (a) illustrated in FIG. 6, for example, as shown in a plan view of FIG. (G) is fixed almost parallel to the ball, and the cleaning water spouted from the tip flows along the inner wall (g) of the ball surface. It disappears rapidly due to the frictional resistance of (g). Therefore, a large amount of water must be jetted at a high water pressure in order to form a water film over a wide area by flowing washing water far away, which is not preferable in terms of energy saving and economy. Further, the pump for high output becomes large in size, and a large storage space is required.

The present invention has been made in view of the above circumstances, and solves the drawbacks of the conventional flush toilet, and forms a water film over a wide area on the bowl surface of the toilet bowl by using a proper amount of water and flushing water. An object of the present invention is to provide a flush toilet that can be formed and that can reliably and effectively prevent adhesion of waste.

[0007]

In order to solve the above-mentioned problems, the present invention solves the above-mentioned problem by flushing washing water directly from a nozzle disposed on the inner wall of the toilet below the rim water passage to the lower periphery of the rim water passage. First cleaning means for forming a water film on the ball surface;
A flush toilet characterized by comprising a second flushing means for discharging filth from the toilet and an automatic actuation control means for controlling the operation of the first flushing means and the adjustment of the amount of water discharged from the toilet seat or the toilet lid. provide.

[0008] In a preferred aspect of the present invention, the mounting shaft of the nozzle has a square portion that fits into a square hole in the side wall of the toilet bowl and a guide portion for positioning the nozzle in the horizontal direction.

[0009]

In the flush toilet of the present invention, since the first flush water which forms a water film on the ball surface is jetted directly into the ball, the water heat does not disappear due to friction with the inner wall surface of the toilet. . For this reason, a small amount of washing water can be spouted at an arbitrary position on the bowl surface of the toilet bowl with an appropriate water pressure.

[0010] Further, the washing water jetting angle of the nozzle is always optimized by fitting a square portion provided on the mounting shaft of the nozzle into a square hole in the side wall of the toilet and positioning the nozzle in the horizontal direction by the guide portion. State.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
The flush toilet of the present invention will be described in more detail. FIG. 1 is a side sectional view showing an embodiment of a flush toilet of the present invention. For example, as shown in FIG. 1, in the flush toilet of the present invention, a water storage tank (2) is attached to an upper rear portion of a toilet body (1), and a body case (3) is provided in front of the water storage tank.
And a toilet seat (4) and a toilet lid (5) fixed to the body case (3) so as to be openable and closable.

The body case (3) contains a pump (6), a solenoid valve (7) or other automatic control means, and the body case (3), the toilet seat (4), or the toilet lid (5). Is provided with a sensing means such as a pressure sensor for detecting the use of the toilet. Pump (6) in body case (3)
Is connected to the water storage tank (2) by a connecting hose (8a), and is connected to a solenoid valve (7) and a connecting hose (8b).
The nozzle (10) provided on the inner wall (9) of the toilet is supplied with water so that the first flush water is directly discharged into the bowl of the toilet.

The discharge of the washing water from the nozzle (10) will be described. For example, when the sensing means detects the use of the toilet, a signal is input to an electric control unit of the main body case (3), and the electric signal is inputted. The control unit operates the pump (6) and the solenoid valve (7) for a fixed time according to the output signal. Thereby, the nozzle (1) is moved from the water storage tank (2).
Cleaning water is supplied to 0), and the first cleaning for forming a water film on the ball surface (11) is performed.

In the first cleaning, a water film is formed on the ball surface (11) to prevent adhesion of dirt when the toilet is used. On the other hand, the drain port (12) of the water storage tank (2) communicates with the rim water channel (15) through the water port (13) and the water chamber (14) of the toilet body (1). Wash water supplied to the rim water passage (15) is discharged from the water outlet (16), flows down the ball surface (11), and discharges dirt into the discharge port (1).
7) and the second cleaning is performed.

FIG. 2 is a plan view illustrating a state of the toilet of the present invention at the time of the first cleaning. As exemplified in FIG. 2, in the flush toilet of the present invention, the nozzle (1
The first flush water jetted directly into the toilet bowl from 0) hits the inner wall of the toilet bowl (9), loses its water force and flows on the ball surface (11) to form a water film.
Flow down to 8).

Further, the toilet of the present invention has the first
The water supply capacity of the pump (6) for supplying the washing water to the nozzle (10) can be changed manually or automatically, for example, the amount and / or pressure of the washing water is reduced continuously or stepwise. By letting
The water film formation range can be sequentially moved from the state shown in FIG. 2 to the state shown in FIGS. 3 (a) and 3 (b). Moreover, since the flush water does not lose its water level until it reaches the inner wall (9) of the toilet, the range of formation of the water film by the first flush can be freely changed by slightly changing the capacity of the pump (6). Can be.

Further, in the flush toilet of the present invention, the flush water angle of the nozzle (10) is adjusted so that the flush water directly sprayed on the inner side wall (9) of the toilet does not scatter to the outside of the toilet, and the flush water is rimmed. Water is sprayed on the inner wall (9) below the water passage (15). In order to easily and surely adjust the water discharge angle of the nozzle (10), the toilet of the present invention suitably employs a nozzle mounting structure as illustrated in an exploded perspective view in FIG. .

That is, the nozzle (10) has a mounting shaft (19) having a guide portion (20), a square portion (21),
It consists of a bolt part (22) and a hose connection part (23). A square hole (2) having substantially the same shape as the square portion (21) of the mounting shaft (19) is provided on the side wall (24) of the toilet.
5) is opened, the mounting shaft (19) is inserted into the square hole (25) through the packing (26), the square portion is fitted, and tightened with the washer (27) and the nut (28). Fix it. As described above, by fitting the square portion (21) into the square hole (25) of the toilet bowl side wall (24), the mounting angle of the nozzle (10) becomes substantially constant. Further, even when a swash or the like comes into contact during cleaning or the like, the mounting angle of the nozzle (10) does not greatly change.

However, since the toilet itself is made of pottery, the dimensional accuracy varies, and the square hole (25) has a square portion (2).
1) may not fit firmly, and if fixed as it is, the mounting shaft (19) will not rotate significantly, but the mounting angle will not be constant. In such a case, fine adjustment is performed so that the upper edge of the guide portion (20) and the bottom surface of the rim water passage (15) are parallel as shown in FIG.

By using such a mounting structure, in the toilet of the present invention, the mounting angle of the nozzle is always constant, and the spouting angle of the first washing water is stabilized. Of course, the present invention is not limited to the above-described examples, and it goes without saying that various aspects are possible in detail.

[0021]

As described above in detail, according to the present invention, a small amount of flush water is discharged in a certain direction to form a water film freely over a wide area of the bowl surface of the toilet bowl, thereby ensuring the adhesion of dirt and the like. A flush toilet having a simple structure that can be efficiently prevented is provided. As a result, discomfort and filth caused by the adhesion of filth when using the toilet are eliminated,
Cleaning of the toilet is also facilitated.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing an embodiment of a toilet according to the present invention.

FIG. 2 is a plan view illustrating a state of a first flush in the toilet of the present invention.

FIGS. 3 (a) and 3 (b) show first and second figures respectively showing different amounts of water.
It is the top view which showed the state of washing.

FIG. 4 is an exploded perspective view illustrating a nozzle mounting structure in the toilet of the present invention.

FIG. 5 is a perspective view illustrating a method for adjusting a mounting angle in the nozzle mounting structure shown in FIG. 4;

FIG. 6 is a side sectional view illustrating a conventional flush toilet provided with a first flushing means.

FIG. 7 is a plan view showing a state of the first flush of the flush toilet illustrated in FIG. 5;

[Explanation of symbols]

 Reference Signs List 1 toilet body 2 water storage tank 3 body case 4 toilet seat 5 toilet lid 6 pump 7 solenoid valve 8a, 8b connection hose 9 toilet inner wall 10 nozzle 11 ball surface 12 drain port 13 water supply port 14 water supply chamber 15 rim water passage 16 water injection hole 17 Discharge port 18 Reservoir port 19 Mounting shaft 20 Guide part 21 Square part 22 Bolt part 23 Hose connection part 24 Side wall 25 Square hole 26 Packing 27 Washer 28 Nut

Continuing on the front page (72) Inventor Takaya Minamiyama 1048 Kazuma Kadoma, Osaka Prefecture Inside Matsushita Electric Works Co., Ltd. Inventor Haruo Yamazaki 1048 Kadoma Kadoma, Kadoma City, Osaka Prefecture (72) Inventor Yoshiaki Mioka 1048 Kadoma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. . ⁶ , DB name) E03D 11/02 E03D 5/10

Claims (2)

(57) [Claims] 1. A first cleaning means for forming a water film on a ball surface by jetting flushing water directly from a nozzle disposed on an inner side wall of a toilet below a rim waterway to a lower periphery of the rim waterway, and a toilet bowl A flush toilet having a second flushing means for discharging more and an automatic operation control means for controlling the operation of the first flushing means and the adjustment of the amount of water discharged from the toilet seat or the toilet lid. 2. The flush toilet according to claim 1, wherein the mounting shaft of the nozzle has a square portion that fits into a square hole in the side wall of the toilet and a guide portion for positioning the nozzle in the horizontal direction.