JPH05118069A - Flush toilet device - Google Patents

Abstract

PURPOSE:To prevent the adherence of faeces to the inner wall of a flush toilet bowl and, at the same time, to prevent effectively the adherence of faeces to the wall with simple construction to accomplish such a purpose. CONSTITUTION:A main washing water channel for washing a toilet 2 with washing water from a low tank 1 is provided on a water closet device. Besides the main washing water channel, a pre-washing water channel 6 connecting the low tank 1 to an inside water channel 5 of a rim 4 on the perimeter of the toilet 2 is formed. A solenoid valve V opening and shutting the pre-washing water channel 6 in the midst thereof is provided. A sitting detector 7 detecting a user in a state of sitting down at the toilet 2 is provided. The solenoid valve V is opened for a certain time based on the result detected by the sitting detector 7 to make the pre-washing of the inside of the toilet 2 by a controlling means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush toilet device,
For details, while preventing stool from sticking to the toilet bowl,
The present invention relates to a technique for effectively preventing stool from adhering to a toilet with a simple structure.

[0002]

2. Description of the Related Art Conventionally, the main purpose of cleaning a toilet bowl is to wash away dirt, but as specified in JIS etc., the flush water is passed through the internal water passage of the rim at the peripheral portion of the toilet bowl. It is also necessary to clean the entire inner surface evenly. By the way, for example, when used by children,
Since you cannot sit deep inside the toilet bowl, dirt does not fall into the basin of the toilet bowl, but directly onto the bowl surface of the pot,
It may stain the bowl surface. Even when used by an adult, defecation is scattered around, and dirt adheres to the inner surface of the bowl. And while flushing stool etc. adhering to the toilet bowl by washing the toilet bowl, it is easy for stool to adhere to the dry toilet bowl, and it may not be possible to wash it off with the cleaning of toilet bowl cleaning. It is uncomfortable and unsanitary, and at home, it is difficult to keep the toilet bowl clean by keeping a stick scrubber, etc., and scraping off any dirt that has adhered.

[0003]

In order to solve such a problem, a so-called toilet bowl having a wide water collecting surface such as a siphon type or a siphon jet type has been formed, but the filth is washed well. That is not the solution. By the way, on the side of the dry bowl,
If dirt adheres, it tends to stick, but if the surface of the toilet bowl is wet and pre-cleaned to form a water film before dirt adheres, even if dirt adheres, it will be easy to clean during cleaning. .. In order to prevent dirt from adhering to a urinal and the like and to prevent scattering of the dirt, the bowl surface is wetted with water before the toilet is used.

From such a point of view, even a toilet bowl is special
No. 51015 gazette is proposed, but the invention of this invention uses a flush valve often found in public toilets and the like, and cannot be applied to a low tank type flush toilet device which is often found in ordinary households. Is the reality. The present invention has been made in view of the above problems, and an object thereof is to provide a flush toilet device having a low tank, and a simple improvement of the flush toilet device allows a small amount of flush water to be flushed in the toilet. An object of the present invention is to provide a flush toilet device which can effectively wet the bowl surface and can prevent dirt from adhering to the bowl surface.

[0005]

The present invention provides a low tank 1
A flush toilet having a main flush channel 3 for flushing the toilet 2 with flush water from the above. The main flush channel 3 and a low tank 1 and an internal water channel 5 of a rim 4 around the toilet 2 are provided separately. A pre-wash water channel 6 communicating with the pre-wash channel 6 is provided with an electromagnetic valve V for opening and closing the pre-wash channel 6, a seating detection unit 7 for detecting that the user sits on the toilet 2, and a seating detection unit 7 are provided. It is characterized by comprising control means for pre-cleaning the inner surface of the toilet 2 by opening the solenoid valve V for a certain period of time based on the detection result.

[0006]

In this manner, the flush toilet is provided with the main flush water channel 3 for flushing the toilet bowl 2 with the flush water from the low tank 1. In addition to the main flush channel 3, A pre-wash water channel 6 that communicates with the internal water channel 5 of the rim 4 is formed, and a solenoid valve V that opens and closes the pre-wash channel 6 is provided in the middle of the pre-wash channel 6 to detect seating on the toilet bowl 2. By providing the means 7 and providing the control means for pre-cleaning the inner surface of the toilet 2 by opening the electromagnetic valve V for a certain time based on the detection result of the seating detection means 7, the seating detection means 7 when seated on the toilet 2 during toilet The solenoid valve V is opened for a certain period of time according to the detection result, and the low tank 1
The cleaning water in the low tank 1 is supplied from the pre-cleaning water channel 6 formed between the toilet bowl 2 and the toilet bowl 2 to supply the cleaning water from the internal water channel 5 of the rim 4 at the peripheral portion of the toilet bowl 2 to wet almost the entire inner surface of the toilet bowl 2. As a structure for effectively performing cleaning and performing such pre-cleaning, the low tank 1 and the toilet 2 are connected by a pre-cleaning water channel 6, and an electromagnetic valve V for opening and closing the pre-cleaning water channel 6 is provided. This is a simple improvement.

[0007]

Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows a schematic cross-sectional view, in which a low tank 1 is mounted on the rear part of a toilet 2, and a local cleaning device 8 for cleaning a local part of a human body after a toilet is attached. A toilet seat 12 and a toilet lid 13 are rotatably provided in the local cleaning device 8, and the toilet 2
An anus washing nozzle (not shown) and a bidet washing nozzle (not shown) are provided therein so as to project and retract from the storage position to the use position. In this way, hot water is supplied from the hot water storage tank 9 to the anus washing nozzle and the bidet washing nozzle for washing. A main washing water channel 3 for washing the toilet 2 with a large amount of washing water from the low tank 1 is configured. A hole 10 is separately formed in the raw tank 1 in addition to the main washing water channel 3, and the hole 10 and a rim 4 on the peripheral portion of the toilet 2 are provided.
A pre-wash water channel 6 is formed by communicating with the internal water channel 5 of the above. Then, in the middle of the pre-cleaning water channel 6, the pre-cleaning water channel 6
An electromagnetic valve V for opening and closing is provided. In addition, a seating detecting means 7 for detecting that the user is seated on the toilet 2 is provided. As the seating detection means 7, as shown in FIG.
Various types are conceivable, such as one in which a non-contact type human body detection sensor 11 is provided on the front surface of the seat, and one in which the detection is performed by sitting on the toilet seat 12. Control means is provided for pre-cleaning the inner surface of the toilet 2 by opening the solenoid valve V for a certain time based on the detection result of the seating detection means 7.

In this way, apart from the main cleaning water channel 3, the pre-cleaning water channel 6 which connects the low tank 1 and the internal water channel 5 of the rim 4 of the peripheral portion of the toilet bowl 2 is formed, and the pre-cleaning water channel 6 is provided in the middle of the pre-cleaning water channel 6. An electromagnetic valve V for opening and closing the flush water channel 6 is provided, and a seating detection means 7 for detecting that the user sits on the toilet 2 is provided. Based on the detection result of the seating detection means 7, the electromagnetic valve V is opened for a certain period of time and the inner surface of the toilet 2 is opened. By providing a control means for pre-cleaning
When the user sits on the toilet bowl 2 when using the toilet, it is detected by the seating detection means 7, and based on the detection result, the solenoid valve V is opened for a certain time, and the pre-wash water channel 6 formed between the low tank 1 and the toilet bowl 6
Therefore, the cleaning water in the low tank 1 is wetted from the internal water passage 5 of the rim 4 at the peripheral portion of the toilet bowl 2 to substantially the entire inner surface of the toilet bowl 2 to effectively perform the pre-cleaning. The configuration for performing such pre-cleaning can be achieved by a simple improvement in which the low tank 1 and the toilet 2 are communicated with each other through the pre-cleaning water channel 6 and the electromagnetic valve V for opening and closing the pre-cleaning water channel 6 is provided. It is a thing.

FIG. 2 shows the communication structure of the rim 4 of the toilet 2 with the internal water passage 5 in the pre-wash water passage 6.
The pipe 14 from the low tank 1 side is the internal water passage 5 of the rim 4.
Since the pre-wash water from the low tank 1 can be vigorously introduced to the tip of the internal water passage 5 of the rim 4 by communicating diagonally with respect to the rim 4, the inner water passage 5 of the entire circumference of the rim 4 can be connected to the toilet bowl 2. The entire inner surface of can be effectively pre-cleaned. In the figure, 12 is a packing.

FIG. 3 shows the positions of the holes 15a for the pre-cleaning water channel in the toilet 2, and a large through hole 16 is formed on the rim 4 side at the position of the holes 15a.
Although the pre-cleaning water is directly introduced into the toilet 2 from the large through hole 16 to reduce the pre-cleaning effect, the pipe 14 from the low tank 1 is obliquely communicated with the internal water passage 5 of the rim 4 as in the above embodiment. As a result, it is possible to avoid direct flow down into the toilet bowl 2. Then, the hole 15b and the hole 15c of FIG.
It may be provided at the position shown in. 1 in FIG.
Reference numeral 7 is a mounting hole for mounting the local cleaning device 8.

FIG. 4 shows another embodiment in which the low tank 1 is surrounded by a decorative cover 18, and the electromagnetic valve V, a control circuit 19 as a control means, and the like are housed inside the decorative cover 18. Further, in FIG. 5, units such as the solenoid valve V and the control circuit are enclosed by the waterproof cover 20 and housed in the raw tank 1.

[0012]

As described above, the present invention is a flush toilet having a main flush channel for flushing a toilet bowl with flush water from a low tank, and the main flush channel separates from the low tank and the peripheral portion of the toilet bowl. A pre-wash water channel that communicates with the internal water channel of the rim is formed, an electromagnetic valve that opens and closes the pre-wash channel in the middle of the pre-wash channel is provided, and a seating detection unit that detects that the user is seated in the toilet is provided. Based on the detection result, the control device is provided to pre-wash the inner surface of the toilet by opening the solenoid valve for a certain period of time. Open for a certain period of time, and the pre-cleaning water channel formed between the low tank and the toilet is effective for pre-cleaning by wetting the cleaning water in the low tank from the internal water passage of the rim around the toilet bowl to almost the entire inner surface of the toilet bowl. To do Bets can be, and communicates the low tank and toilet bowl such pre washed with pre-wash water passage, there is an advantage that allows by a simple improvement in the provision of the solenoid valve for opening and closing the pre-cleaning water passage.

[Brief description of drawings]

FIG. 1 is a schematic cross-sectional view in which a part of an embodiment of the present invention is omitted.

FIG. 2 is a partial sectional view of the above.

FIG. 3 is a schematic plan view of the toilet bowl of the same.

FIG. 4 is a schematic sectional view of another embodiment of the above.

FIG. 5 is a partially cutaway schematic perspective view of another embodiment of the above.

[Explanation of symbols]

 1 Low tank 2 Toilet bowl 3 Main wash channel 4 Rim 5 Internal water channel 6 Pre-wash channel 7 Seating detection means V Solenoid valve

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasuo Maeda 1048, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Norio Noma, 1048, Kadoma, Kadoma City, Osaka Matsushita Electric Works Co., Ltd. (72) Inventor Yoshiaki Mioka 1048, Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Works Co., Ltd.

Claims (1)

[Claims] 1. A flush toilet having a main flush channel for flushing a toilet bowl with flush water from a low tank, wherein the low tank and an internal flush channel of a rim of a peripheral portion of the toilet are connected to each other separately from the main flush channel. A pre-wash water channel is formed, and a solenoid valve that opens and closes the pre-wash channel is provided in the middle of the pre-wash channel, and seating detection means is provided to detect seating on the toilet bowl.The solenoid valve is based on the detection result of the seating detection means. 2. A flush toilet device comprising control means for pre-washing the inner surface of the toilet by opening the toilet for a certain period of time.