JP2801986B2 - Flush toilet equipment - 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 device,
Specifically, while preventing stool from attaching to the toilet,
The present invention relates to a technique for effectively preventing stool from attaching to a toilet with a simple configuration.

[0002]

2. Description of the Related Art Conventionally, the main purpose of flushing a toilet is to wash away dirt. However, as specified in JIS, etc., flush water is passed through an internal water passage of a rim around a toilet. It is necessary to wash almost the entire inner surface evenly. By the way, for example, when used by children,
Because it is not possible to sit deep inside the toilet bowl, filth does not fall into the puddle of the toilet bowl, but falls directly on the pottery bowl surface,
The toilet bowl surface may be soiled. Also, when used by an adult, defecation is scattered around and dirt adheres to the inner surface of the toilet bowl. In addition, although stool and the like attached to the toilet bowl are washed away by washing the toilet bowl, stool easily adheres to the dried toilet bowl, and this may not be able to be washed away only by washing the toilet bowl. It causes discomfort and becomes unsanitary. At home, there is a hard time keeping toilet bowls clean by keeping stick scrubbers and rubbing off attached dirt.

[0003]

In order to solve such a problem, it has been attempted to form a so-called toilet having a large pool surface, such as a siphon type or a siphon jet type, but it is desirable to clean the filth well. That is not the solution. By the way, on the dry toilet bowl surface,
If dirt adheres, it tends to stick, but if the dirt is wet, the bowl surface of the toilet bowl is pre-cleaned to form a water film. . In urinals and the like, the bowl surface is wetted with water before stool in order to prevent dirt from adhering and scattering.

[0004] From this point of view, even a toilet bowl has a special
Japanese Patent Application Laid-Open No. 51015 is proposed, but the invention of this invention uses a flush valve which is often found in public toilets and the like, and cannot be applied to a low tank type flush toilet device which is common in ordinary households. Is the actual situation. The present invention has been made in view of such a problem, and an object of the present invention is to provide a flush toilet device provided with a low tank. An object of the present invention is to provide a flush toilet device capable of effectively wetting the bowl surface and avoiding attachment of dirt to the toilet bowl surface.

[0005]

The present invention provides a low tank 1
A flush toilet provided with a main flush channel 3 for flushing the toilet 2 with flush water from the lower flush tank 1 and an inner water passage 5 of a rim 4 around the toilet 2 separately from the main flush channel 3. A pre-cleaning water passage 6 communicating with the toilet is provided, an electromagnetic valve V for opening and closing the pre-cleaning water passage 6 is provided in the middle of the pre-cleaning water passage 6, and a seating detecting means 7 for detecting the seating on the toilet 2 is provided. And a control means for opening the solenoid valve V for a certain period of time based on the detection result and pre-cleaning the inner surface of the toilet bowl 2.

[0006]

As described above, the flush toilet provided with the main flush water passage 3 for flushing the toilet bowl 2 with the flush water from the low tank 1 is provided separately from the main flush water passage 3. A pre-cleaning water passage 6 communicating with the internal water passage 5 of the rim 4 is formed, an electromagnetic valve V for opening and closing the pre-cleaning water passage 6 is provided in the pre-cleaning water passage 6, and seating detection for detecting seating on the toilet 2. Means 7 for opening the solenoid valve V for a certain period of time based on the detection result of the seating detecting means 7 and pre-cleaning the inner surface of the toilet 2, so that the seating detecting means 7 The solenoid valve V is opened for a certain period of time based on the detection result.
The washing water in the low tank 1 is supplied from the pre-washing water passage 6 formed between the toilet 2 and the inner water passage 5 of the rim 4 at the periphery of the toilet 2 to wet almost the entire inner surface of the toilet 2 and pressurized. As a configuration for performing cleaning effectively and performing such pre-cleaning, the low tank 1 and the toilet bowl 2 are communicated with each other through a pre-cleaning water passage 6, and an electromagnetic valve V for opening and closing the pre-cleaning water passage 6 is provided. It is a simple improvement.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a schematic cross-sectional view, in which a low tank 1 is mounted on a rear portion of a toilet bowl 2 and a local cleaning device 8 for cleaning a local portion of a human body after stool is attached. A toilet seat 12 and a toilet lid 13 are rotatably provided in the local cleaning device 8.
Inside, a nozzle for cleaning the anus (not shown) and a nozzle for cleaning the bidet (not shown) are provided so as to protrude 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 anal cleaning nozzle and the bidet cleaning nozzle to perform cleaning. A main flush channel 3 for flushing the toilet 2 with a large amount of flush water from the low tank 1 is formed. Separately from the main flush channel 3, a hole 10 is formed separately in the low tank 1, and this hole 10 and the rim 4 around the toilet bowl 2 are formed.
The pre-cleaning water passage 6 is formed by communicating with the internal water passage 5 of the first embodiment. And, in the middle of the pre-cleaning water channel 6, the pre-cleaning water channel 6
The solenoid valve V which opens and closes is provided. Further, a seating detecting means 7 for detecting the seating of the toilet 2 is provided. As shown in FIG. 5, the seat detection means 7 is a low tank 1.
Various types are conceivable, such as a configuration in which a non-contact type human body detection sensor 11 is provided on the front surface and a configuration in which detection is performed by sitting on a toilet seat 12. Control means is provided for opening the solenoid valve V for a certain period of time based on the detection result of the seating detection means 7 to pre-wash the inner surface of the toilet 2.

As described above, the pre-wash water channel 6 is formed separately from the main wash water channel 3 and communicates the low tank 1 and the internal water channel 5 of the rim 4 around the toilet bowl 2. An electromagnetic valve V for opening and closing the washing water channel 6 is provided, and a seating detecting means 7 for detecting that the toilet seat 2 is seated is provided. By providing control means for pre-cleaning,
When the user sits on the toilet 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 period of time, and the pre-cleaning water passage 6 formed between the low tank 1 and the toilet 2 is opened.
Thus, the washing water in the low tank 1 is wetted from the internal water passage 5 of the rim 4 on the periphery of the toilet 2 to almost the entire inner surface of the toilet 2 to perform the pre-wash effectively. 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 an electromagnetic valve V that opens and closes the pre-cleaning water channel 6 is provided. Things.

FIG. 2 shows a communication structure between the rim 4 of the toilet bowl 2 and the internal water passage 5 in the pre-wash water passage 6.
The pipe 14 from the low tank 1 side is the inner water passage 5 of the rim 4
, 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, and the toilet water 2 can be introduced from the internal water passage 5 around the entire rim 4. Can effectively pre-clean the entire inner surface. In the figure, reference numeral 12 denotes a packing.

FIG. 3 shows the positions of holes 15a for the pre-cleaning water channel in the toilet bowl 2. At the positions of the holes 15a, large through holes 16 are formed on the rim 4 side.
The pre-wash water is directly introduced into the toilet bowl 2 through the large through hole 16 and the pre-wash effect is reduced. However, 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. Thereby, it is possible to avoid flowing down directly into the toilet 2. Then, the hole 15b and the hole 15c of FIG.
May be provided at the position shown in FIG. In FIG.
Reference numeral 7 denotes 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 a solenoid valve V and a control circuit 19 as control means are housed inside the decorative cover 18. FIG. 5 shows a unit in which the units such as the solenoid valve V and the control circuit are surrounded by the waterproof cover 20 and housed in the low tank 1.

[0012]

As described above, the present invention relates to a flush toilet provided with a main flush channel for flushing the toilet with flush water from the low tank, and separately from the main flush channel, a low tank and a peripheral portion of the toilet are provided. Forming a pre-cleaning water passage communicating with the internal water passage of the rim, providing an electromagnetic valve for opening and closing the pre-cleaning water passage in the middle of the pre-cleaning water passage, providing seating detecting means for detecting seating on the toilet, Is provided with control means for opening the solenoid valve for a certain period of time based on the detection result and pre-washing the inner surface of the toilet, so that when sitting on the toilet when urinating, the seat detection means detects it, and based on the detection result, the solenoid valve Open for a certain period of time, pre-cleaning is effective by wetting the flush water in the low tank from the pre-cleaning water channel formed between the low tank and the toilet from the inside water passage of the rim around the toilet and almost the entire inner surface of the toilet 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 the drawings]

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

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

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

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

FIG. 5 is a schematic perspective view, partially broken away, of another embodiment of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Low tank 2 Toilet 3 Main washing channel 4 Rim 5 Internal water channel 6 Pre-cleaning channel 7 Seating detection means V Solenoid valve

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yasuo Maeda 1048 Kadoma Kadoma, Kadoma City, Osaka Pref. ) Inventor Yoshiaki Mioka 1048 Kadoma, Kazuma, Osaka Pref. Matsushita Electric Works Co., Ltd. (56) References JP-A 1-299929 (JP, A) Japanese Utility Model Showa 52-13646 (JP, U) (58) Survey Field (Int.Cl. ⁶ , DB name) E03D 5/10 E03D 1/24

Claims (1)

(57) [Claims] A flush toilet provided with a main flush channel for flushing a toilet with flush water from a low tank, wherein the flush tank and the inner flush channel of a peripheral rim of the toilet are separately communicated with the main flush channel. Forming a pre-cleaning water channel to be provided, providing an electromagnetic valve for opening and closing the pre-cleaning water channel in the middle of the pre-cleaning water channel, providing seating detecting means for detecting that the user is seated on the toilet, and using the electromagnetic valve based on the detection result of the seating detecting means. A flush toilet device comprising a control means for opening the toilet for a predetermined time to pre-clean the inner surface of the toilet.