JP2002242257A - Automatic washing toilet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic washing toilet arranged on an existing flush toilet stool device and automatically performing pre-washing before stool and normal washing after stool. SOLUTION: The automatic washing toilet is provided with a tank 1 storing the washing water washing the inner face of a toilet stool 2, a water discharging means 7 for discharging the washing water in the tank 1, and a control means 8 controlling the water discharging means 7. Since a pre-washing mode driving the water discharging means 7 to wash the inner face of the toilet stool 2 before stool is loaded on the control means 8, pre-washing before stool and normal washing after stool can be automatically performed by simply discharging the washing water in an existing washing channel without newly providing a pre-washing channel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic flush toilet which has a simpler structure and automatically prevents stool or the like from attaching to a toilet.

[0002]

2. Description of the Related Art Conventionally, this type of flush toilet apparatus has been disclosed in, for example, Japanese Patent Application Laid-Open No. Hei 5-11869. FIG. 6 shows a conventional flush toilet device described in the above publication.

In FIG. 6, a main flush channel 3 for flushing the inner surface of the toilet 2 with flush water from a tank 1, and an internal channel of a rim 4 around the tank 1 and the toilet 2 separately from the main flush channel 3. A pre-cleaning water channel 5 communicating with the pre-cleaning water channel 5
A solenoid valve 6 for opening and closing the pre-cleaning water channel 5 is provided in the middle of the procedure, and the controller (not shown) opens and closes the solenoid valve 6 to supply cleaning water before the toilet, and wets the inner surface of the toilet 2 before the toilet. Thus, it is intended to prevent stool and the like from adhering to the toilet.

[0004]

However, in the above-mentioned conventional configuration, it is necessary to newly provide the pre-cleaning water channel 5, the solenoid valve 6, and the like, and it is not possible to configure the existing tank 1 and the toilet bowl 2. It was possible.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and does not provide a new pre-cleaning water channel or the like, but only allows flush water to flow into an existing main cleaning water channel to perform pre-cleaning before use. The purpose is to provide.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned conventional problems, an automatic flush toilet of the present invention comprises a toilet, a tank for storing flush water for flushing the inner surface of the toilet, and a flush water in the tank. And a control means for controlling the flowing water means, and the control means is equipped with a pre-cleaning mode for driving the flowing water means to clean the inner surface of the toilet before stool.

[0007] With this, the washing water can be flown into the existing main washing water channel by controlling and driving the water flowing means before the stool without newly providing a pre-wash water channel, thereby performing the pre-cleaning.

[0008]

DETAILED DESCRIPTION OF THE INVENTION The invention as set forth in claim 1 comprises a toilet, a tank for storing washing water for cleaning the inner surface of the toilet,
Flowing water means for flowing out the washing water in the tank,
A control means for controlling the flushing means, and the control means is provided with a pre-cleaning mode for driving the flushing means before stool and cleaning the inner surface of the toilet, thereby newly providing a pre-cleaning water channel. Instead, the flush water is simply flowed into the existing flush water channel to wet the inner surface of the toilet before use, and to prevent stool or the like from adhering to the toilet.

The invention described in claim 2 is particularly advantageous in claim 1.
A rim is formed at the upper end of the toilet described in the above, and a main flush channel for flowing flush water in the tank in the normal flush mode after the toilet is provided in the rim, and in the pre-clean mode, flush water from the main flush channel is provided. In the normal cleaning mode and the pre-cleaning mode, the control means controls the flushing means so as to change the amount of flushing water flowing in the main flushing channel, so that the control means has a simpler toilet configuration. In addition, it is possible to perform pre-washing in which the inner surface of the toilet is wet before stool and normal cleaning after stool by changing the amount of washing water.

[0010] According to a third aspect of the present invention, in the second aspect of the present invention, flush water is allowed to flow out so as to wet the entire inner surface of the toilet, thereby preventing stool and the like from adhering to the toilet during pre-cleaning. This ensures that the area to be drained is expanded so that no waste remains in the toilet bowl after the stool.

According to a fourth aspect of the present invention, in the first to third aspects of the present invention, the amount of washing water in the pre-washing mode is made smaller than that in the normal washing mode after stool, so that the inner surface of the toilet in the pre-washing mode is used. In the normal cleaning mode, the cleaning water amount is used to wash out all the dirt, and the cleaning water amount is set in accordance with each cleaning mode, so that unnecessary cleaning water is not used.

According to a fifth aspect of the present invention, in the first to third aspects of the present invention, the amount of washing water in the pre-washing mode is an amount which wets at least the entire front surface of the inner surface of the toilet bowl, that is, only a portion to which stool is considered to adhere. By doing so, it is possible to prevent dirt from adhering to the toilet with a smaller amount of washing water than the minimum amount of washing water that only wets the entire inner surface of the toilet during pre-cleaning.

According to a sixth aspect of the present invention, in the first to fifth aspects, a human body detecting means for detecting the presence of a person is added, and when the human body detecting means detects the presence of a person. By setting the pre-cleaning mode, the pre-cleaning can be automatically performed without human operation.

According to a seventh aspect of the present invention, in particular, the human body detecting means according to the sixth aspect uses a seating / seating detecting means for detecting whether a person sits on or off the toilet bowl. It is possible to automatically perform pre-cleaning only when adding a product. In other words, when a person approaches for another purpose, it means that pre-cleaning is not performed, so that unnecessary flushing of the toilet is prevented, and further water saving can be realized.

The invention according to an eighth aspect is characterized in that, as the human body detecting means according to the sixth aspect, an entry detecting means for detecting that a person has entered the toilet room is used. In conjunction with this, by automatically pre-washing the inner surface of the toilet, there is a problem that if you use it as soon as you sit down depending on your physical condition, flushing the dirt with a small amount of water with the siphon toilet may cause pipe clogging. This is less than performing pre-cleaning at the time of sitting.

According to a ninth aspect of the present invention, when the seating / seating detecting means according to the seventh aspect detects a departure, a normal washing mode is performed so that a person does not touch anything at all. , Which makes it possible to complete the service.

The invention according to claim 10 is the invention according to claims 1 to 9
In the invention described in (1), the toilet is subjected to an antifouling treatment, so that the toilet is subjected to an antifouling treatment and then pre-cleaned, so that the effect of the antifouling treatment is further enhanced.

The invention according to claim 11 is the invention according to claims 1 to 1.
In the invention described in Item No. 0, the flushing means is an electric flash, so that each toilet bowl can be washed more simply without providing a complicated mechanism and control. Extremely, the supply of flush water from the tank to the toilet flush channel is
A configuration that requires only one opening and closing of a solenoid valve is possible.

The invention described in claim 12 is particularly advantageous in claim 1.
By fixing the electric flash described in No. 0 in the outer case covering the tank, the waterproof structure of the electric flash itself can be made simpler because it can be kept away from the water surface in the tank. It becomes possible.

[0020]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIGS. 1 and 3 are schematic partial sectional views of an automatic cleaning toilet in Embodiment 1 of the present invention.
Is a partial cross-sectional top view of the toilet, and FIG. 4 is a schematic internal configuration diagram of the flowing water means.

In FIG. 1, reference numeral 1 denotes a tank for storing washing water for washing the inner surface of the toilet bowl 2, reference numeral 7 denotes flowing water means for discharging the washing water in the tank 1 provided in the tank 1, and reference numeral 8 denotes the above-mentioned water flowing means. This is control means for controlling the flowing water means 7. The flowing water means 7 and the control means 8 may be installed inside or outside the tank 1. Further, the flowing water means 7 may be operated electrically, or may be operated by any other means such as air pressure, water pressure, and oil pressure.

In FIG. 2, a rim 4 is formed at the upper end of the toilet 2, and a main washing water passage 3 for flowing washing water from the tank 1 to the toilet 2 is provided all around the rim 4. I have. The main flush water channel 3 is provided with a plurality of fountain ports facing the inner surface of the toilet bowl 2. The fountain port is provided so that the flush water flows out so as to wet the entire inner surface of the toilet 2 (arrow in the figure). However, the case where it is not the whole inner surface of the toilet 2 is also assumed.

The operation and operation of the automatic cleaning toilet constructed as described above will be described below.

The control means 8 for controlling the water flow means 7 is provided with a control sequence for performing a pre-washing pre-feces mode and a post-feces normal cleaning mode, and provides a specific signal to the control means 8 (this is a signal from a remote controller). When any signal such as a signal from a switch provided in the control means 8 is input, the water flowing means 7 performs an operation based on the signal. The normal washing mode is a mode in which the toilet is washed with an amount of washing water sufficient to allow the excrement to flow after stool. The amount of washing water may be changed between stool and urine. The pre-wash mode is a mode in which the inner surface of the toilet is wetted before stool and the stool or the like is prevented from adhering to the toilet. The cleaning water volume in the normal cleaning mode and the pre-cleaning mode may be the same, or the normal cleaning mode water volume>
Pre-cleaning mode water volume (Specifically, pre-cleaning mode water volume = normal cleaning mode water volume (stool cleaning water volume) x 1/2 or less)
It may be. In addition, the amount of water in the pre-wash mode is
The entire front surface of the inner surface (the entire surface above the water reservoir 9, the hatched portion in FIG. 2) may be used. In any case, it is necessary to set the amount of water to obtain a predetermined effect in each cleaning mode.

As described above, in the present embodiment, the toilet 2, the tank 1 for storing the wash water for cleaning the inner surface of the toilet 2, the flowing water means 7 for discharging the wash water in the tank 1, A control means 8 for controlling the water flowing means 7; and a new pre-cleaning mode for driving the water flowing means 7 to clean the inner surface of the toilet 2 before stool is provided. It is possible to prevent the stool and the like from adhering to the toilet bowl 2 by irrigating the inner surface of the toilet bowl 2 before using the toilet simply by flowing the cleaning water into the existing flushing channel without providing a pre-cleaning channel. Become. Further, the fountain port in the main flushing channel 3 is provided so that flushing water flows out so as to wet the entire inner surface of the toilet bowl 2. , So that no waste remains in the toilet bowl 2 even after the stool is drained.

Further, in this embodiment, as shown in FIG. 3, the amount of washing water flowing through the main washing water passage 3 is simply adjusted. In FIG. 3, reference numeral 9 denotes a valve for supplying and stopping the washing water to the main washing water passage 3, and the valve 9 is connected to the flowing water means 7 and the chain 1;
The configuration is such that they are connected by 0 or the like.

With this configuration, a simple configuration for adjusting the amount of lifting of the chain 10 and the lifting time is provided.
The amount of washing water flowing into the main washing water passage 3 is adjusted, and the washing water amount is set to a value suitable for each washing mode, so that unnecessary washing water can be prevented from being used.

In addition, since the antifouling treatment is performed on the surface of the toilet bowl 2 of the present embodiment, and the prewashing is performed after the antifouling processing, it is possible to prevent the stool and the like from adhering to the toilet bowl 2. it can.

In this embodiment, the water flowing means 7 having an internal structure as shown in FIG. 4, that is, an electric flash is used.

In FIG. 4, reference numeral 11 denotes a gear A fastened to a lever shaft 12, which is directly connected to a motor 13 via a gear B14. The tip of the lever shaft 12 is configured to hook the chain 10. Reference numeral 15 denotes a lever operated by hand. The lever shaft 12 is configured to be rotatable in both clockwise and counterclockwise directions. Therefore, when adjusting the lifting amount of the chain 10, the rotation direction of the lever shaft is not limited in each cleaning mode.

In this manner, the lever 1 can be used even during a power failure or the like.
By manually operating 5, the chain 10 is pulled up, and the toilet bowl can be washed.

(Embodiment 2) FIG. 5 is a schematic sectional view of an automatic cleaning toilet according to Embodiment 2 of the present invention. In FIG. 5, reference numeral 16 denotes an outer case that covers the tank 1 and the like, reference numeral 17 denotes seat / separation detecting means for detecting whether or not the user is seated or unseated on the toilet; The running water means 7 operates in a control sequence in which the normal cleaning mode is automatically performed in the mode and the separation mode. The difference from the configuration of the first embodiment is that the flowing water means 7 is provided inside the outer case 16.

As shown in FIG. 5, the upper open surface of the tank 1 is formed at a position where it does not overlap with the flowing water means 7.

The operation and operation of the automatic cleaning toilet constructed as described above will be described below.

A water flow means 7 is provided inside an outer case 16 which covers the tank 1.
Therefore, the water level in the tank 1 can be set higher than when the water flowing means 7 is provided inside the tank 1. In addition, the flowing water means 7 can be kept away from the water surface of the tank 1.

As described above, the flowing water means 7 is connected to the outer case 16.
If the amount of water in the tank 1 is the same, the water flowing means 7 is simpler and more compact than the case where the water flowing means 7 is provided inside the tank 1. Also, tank 1
The waterproof structure of the flowing water means 7 can be made simpler by keeping it away from the water surface portion inside.

Further, in this embodiment, as the human body detecting means for detecting the presence of a person, there is provided a seating / seating detecting means 17 for detecting whether a person sits on or off the toilet.
Since a control sequence for automatically performing the pre-cleaning mode when seated and the normal cleaning mode when unseated is mounted in conjunction with the signal of No. 7, the toilet bowl can be cleaned without the user touching anything. The attachment / detachment detecting means 17 may detect the weight and body temperature of the user, or may detect it using an electrostatic method, infrared rays, or the like. The position of the seating / seating detecting means 17 is not limited to the position shown in FIG.

Further, in this embodiment, although not shown in the figure, as a human body detecting means for detecting the presence of a person, a room detecting means for detecting that a person has entered the toilet room is provided. A control sequence that automatically pre-cleans the inner surface of the toilet in conjunction with the means is installed, so depending on the physical condition, if you use it at the same time as sitting, you may cause clogging if you use a siphon toilet bowl with a small amount of waste water. Some problems can be reduced compared to performing pre-cleaning when sitting. The entry detection means may be provided on a remote controller for operating the flowing water means 7 or on the outer case 16. However, when this function is used, the control means 8 does not perform the pre-cleaning during the control sequence of automatically performing pre-cleaning for sitting and normal cleaning for leaving based on a signal from the seating / leaving detecting means 17. Can be set.

[0040]

As described above, according to the present invention, it is possible to prevent the stool and the like from adhering to the toilet simply by adjusting the amount of flush water flowing into the main flush channel of the existing toilet. Pre-cleaning and normal cleaning after stool can be performed automatically.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional view of an automatic cleaning toilet according to a first embodiment of the present invention.

FIG. 2 is a partial cross-sectional top view of a toilet in the toilet.

FIG. 3 is a sectional view of running water means in the toilet.

FIG. 4 is a cross-sectional configuration diagram showing the inside of a running water means in the toilet.

FIG. 5 is a partial cross-sectional view of the automatic cleaning toilet according to the second embodiment of the present invention.

FIG. 6 is a side view showing the configuration of a conventional flush toilet device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tank 2 Toilet 3 Main washing channel 4 Rim 7 Water flowing means 8 Control means 16 Outer case 17 Attachment / separation detecting means

Continued on the front page (72) Inventor ▲ Taka ▼ Mitsuo 1006 Kazuma Kadoma, Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Inventor Hiroaki Fujii 1006 Kazuma Kadoma, Kadoma-shi, Osaka Matsushita Electric Industrial Co., Ltd. F-term (reference) 2D039 AA02 AC03 AD01 DA04 DB04 FA01 FA03 FC08

Claims (12)

[Claims] 1. A toilet, a tank for storing washing water for washing the inner surface of the toilet, running water means for flowing out the washing water in the tank, and control means for controlling the running water means, wherein the control means comprises: An automatic flush toilet having a pre-cleaning mode in which the flushing means is driven to clean the inner surface of the toilet before use. 2. A rim is formed at the upper end of the toilet bowl, and a main flush water channel for flowing flush water in a tank in a normal flush mode after toilet use is provided in the rim. 2. The automatic flush toilet according to claim 1, wherein the flushing is performed with flush water, and the control unit controls the flushing means so as to change a flush water amount flowing through the main flush channel in the normal flush mode and the pre-clean mode. 3. 3. The automatic flush toilet according to claim 2, wherein the flush water flows out so as to wet the entire inner surface of the toilet. 4. The automatic cleaning toilet according to claim 1, wherein the amount of cleaning water in the pre-cleaning mode is smaller than that in the normal cleaning mode after stool. 5. The automatic flush toilet according to claim 1, wherein the amount of flush water in the preliminary flush mode is an amount that wets at least the entire front surface of the inner surface of the toilet. 6. The automatic cleaning according to claim 1, further comprising a human body detecting means for detecting the presence of a person, wherein the automatic cleaning mode is set when the human body detecting means detects the presence of a person. toilet. 7. The automatic flush toilet according to claim 6, wherein said human body detecting means includes a seating / seating detecting means for detecting whether a person sits on or off the toilet. 8. The automatic flush toilet according to claim 6, wherein said human body detecting means includes an entrance detecting means for detecting that a person has entered the toilet room. 9. The automatic washing toilet according to claim 7, wherein the normal washing mode is performed when the seating / seating detecting means detects the seating / seating. 10. The toilet bowl is subjected to an antifouling treatment.
The automatic washing toilet according to any one of the above. 11. The automatic flush toilet according to claim 1, wherein the running water means is an electric flash. 12. The automatic flush toilet according to claim 11, wherein the electric flush is fixedly disposed in an outer case covering the tank.