JP2003096864A - Automatic flushing apparatus for toilet bowl - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic flushing apparatus for a toilet bowl, which has a simplified valve structure, and is equipped with a power generating function having excellent general-purpose properties. SOLUTION: This automatic flushing apparatus for the toilet bowl flushes the toilet bowl by electrically opening an electromagnetic valve, or by pushing a manual push button so as to open a piston valve through the use of a push rod which is interlocked with the push button; the push rod is provided with a blade wheel; the blade wheel is rotated by flushing water flowing along a water passage when the piston valve is opened; and the rotation of the blade wheel is transferred to a generator via the push rod so that the generator can generate electric power. The automatic flushing apparatus is characterized by driving the electromagnetic valve by virtue of the power generation of the generator.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet automatic cleaning device in which a generator is provided in a water passage and electric power of the generator is used to operate a cleaning device and the like.

[0002]

2. Description of the Related Art In a conventional toilet automatic cleaning device, a 100V power source and a dry battery are used to open and close the valve using an electromagnetic valve. On the other hand, in order to improve workability and maintainability and save energy, there is a technique in which a generator is provided in a water passage to open and close an electromagnetic valve by using the electric power of the generator. (JP-A-59-217074)

When the above-described generator is mounted on the toilet automatic cleaning device, it is assumed that a cleaning pipe section is used.

However, when the cleaning pipe portion is used, the generator portion and the wiring are exposed, and there is a risk that the generator portion is broken or the wiring is cut due to mischief or the like. For this reason, it is conceivable to cover the generator part with a cover, but the cover becomes very large, and it becomes necessary to secure strength, which also leads to an increase in cost.

When an original valve is used to make up for the above problems, the internal structure of the valve becomes complicated, resulting in high cost and lack of versatility.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and provides an automatic toilet cleaning device with a simple valve structure and a highly versatile power generating function. To aim.

[0007]

In order to solve the above-mentioned problems, according to claim 1 of the present invention, the solenoid valve is electrically opened or a manual push button is pressed to interlock with the push button. In the automatic toilet cleaning device that opens the piston valve by the push rod and flows the wash water to the toilet, the impeller is provided on this push rod and the impeller is rotated by the wash water flowing through the water passage when the piston valve is opened. Then, the rotation of the impeller is transmitted to the generator via the push rod to generate electric power, and the electromagnetic valve is driven by this electric power generation, thereby providing an automatic toilet bowl cleaning device.

As described above, since the manual push button is equipped with both the push button function and the power generation function, the shaft of the generator and the push button can be combined by the push rod, and the valve body can be used. There is no need to install a shaft for the generator inside, and the valve body has a very simple structure. In addition, because it can be easily separated from the main body, it has excellent maintainability and versatility.

According to a second aspect of the present invention, there is provided the automatic toilet cleaning device according to the first aspect, wherein the electricity generated by the generator is stored in the storage battery and also stored in the storage battery from the backup battery.

As a result, the state in which the storage battery is always charged can be maintained. If the backup battery is exhausted and the storage battery is not sufficiently charged to open and close the solenoid valve, wash water can be flown by using the push button for manual operation, thus generating power and ensuring sufficient storage. You can also do it.

A third aspect of the invention is an automatic toilet bowl cleaning device according to the first or second aspect, wherein the impeller is provided in a valve body.

Further, since the push button part has a built-in power generation function, the cover does not need to be large compared to the case where the power generation function is installed on the upper part of the valve body or on the secondary side after the vacuum breaker. There is.

According to a fourth aspect of the present invention, the impeller is provided downstream of the piston valve and upstream of the vacuum breaker. The toilet bowl automatic cleaning according to any one of the first to third aspects. The device.

As a result, the wash water discharged from the valve can be efficiently transmitted to the impeller.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below based on the embodiments shown in the drawings. FIG. 1 is a front sectional view of an automatic stool cleaning device according to the present invention. FIG. 2 is a left side view with the upper cover removed. FIG. 3 is an enlarged front sectional view of the push button portion of FIG. FIG. 4 is a state diagram when the push button is pressed. 5 and 6 are state diagrams at the time of power generation.

The structure of this apparatus will be briefly described with reference to FIGS. 1 and 2. Reference numeral 1 is a main body of the automatic toilet bowl cleaning device. The main body 1 of the automatic flush toilet cleaning device includes a valve main body 2, a push button portion 3 that also serves as a generator, a piston valve 4, a solenoid valve portion 5 for opening and closing the piston valve, a piston valve lid 6, a sensor controller 7, a backup battery, and It comprises a box 8 accommodating a storage battery for storing the power supplied from the generator, an upper cover 9 and a lower cover 10. The upper cover 9 is provided with a sensor window 9a. A water supply pipe 11, a water stop plug 12, and a connecting pipe 13 are connected to the upstream side of the main body 1 of the toilet bowl automatic cleaning device, and a vacuum breaker 14 and a drain pipe 15 are connected to the downstream side.

The structure of the push button part that also serves as a generator will be described with reference to FIG. 3a is a push rod that doubles as a push button shaft and a generator shaft. In this embodiment, a stainless steel rod is used. The impeller 3b is screwed into the push rod 3a,
It is fixed by a nut 3c. 3d is a U packing for waterproofing. Reference numeral 3e is a bearing for rotating the push rod 3a, which is fixed to a groove provided in the bearing guide 3f by a C ring 3g. The bearing guide 3f is screwed into the valve body 2, and the waterproof packing 3h ensures the waterproofness of the bearing guide 3f and the valve body 2. A push button spring 3i is sandwiched between the bearing 3e and the case 3k of the generator coil 3j. The generator magnet 3l is integrally molded with the magnet guide 3m, and the magnet guide 3m is screwed into the push rod 3a and fixed by a nut 3n. A C ring 3o is inserted in the groove at the end of the push rod 3a, and a C ring is inserted in the groove of the coil case 3k to prevent the push rod 3a from coming off. A waterproof packing 3q is adhered to the inside of the generator case 3p to prevent water from entering the generator unit from around the push button 3r.

Next, the state when the push button is pressed and the state during power generation will be described with reference to FIGS. 4 and 5. FIG. 4 is a state diagram when the push button 3r is pushed. When the push button 3r is pushed, the tip of the push rod 3a pushes the relief valve 4a, so that the relief valve 4a moves to the valve seat packing 4.
Apart from b, the water A in the pressure chamber is discharged to the secondary side B from the gap between the relief valve 4a and the valve seat packing 4b, and at the same time, the piston valve 4 starts to rise. Push button 3r
When released, the push rod 3a is returned to its original position by the reaction force of the spring 3i. The relief valve 4a returns to its original position by the reaction force of the spring 4c when the push rod 3a is returned.

FIG. 5 shows a state in which the piston valve 4 is raised and the washing water is discharged to the secondary side B. The wash water is discharged from the cutout portion 4e of the guide blade 4d of the piston valve 4, and the wash water hits the impeller 3b provided immediately below the cutout portion 4e of the guide blade 4d, so that the shaft of the push rod 3a is hit. As the fixed impeller 3b rotates, the coaxial power generating magnet 3l also rotates, so that power can be generated through the coil 3j. In this case, since the impeller 3b is provided directly below the notch 4e of the guide vane 4d through which the cleaning water is discharged, the pressure loss is smaller and the efficiency is lower than that in the case where the impeller 3b is provided downstream of the vacuum breaker 14. It can generate good power.

FIG. 6 is a state diagram in which the impeller 3a rotates. In order for the impeller 3a to rotate efficiently, the half side of the impeller 3a is covered with the impeller cover 17, and the impeller cover 17
The wing on the side that is not covered with
The impeller 3a is adapted to rotate in one direction. The cover 17 for the impeller is omitted in FIGS. 1, 2, 4, and 5. Although not shown, a water channel guide that guides the wash water so as to hit one of the wings may be provided without being covered with the impeller cover 17.

In this embodiment, the flush valve for the urinal has been described, but the same effect can be obtained with the flush valve for the urinal. Further, although the exposure type has been described in the present embodiment, the same applies to the embedded type. Further, although the relief valve type piston valve is described in the present embodiment, the present invention is not limited to the above embodiment, and can be implemented in various modes without departing from the scope of the invention. . For example, the method of draining water from the pressure chamber directly by the push button portion 16 is similar, and the present invention is not limited to the piston valve method, and the same effect can be obtained by other diaphragm methods.

FIG. 7 shows an electrical block diagram of the automatic cleaning device. The electricity hydroelectrically generated by the above-described impeller 3b is stored in a storage battery. Further, the backup battery also stores electricity in the storage battery. Then, electric power is supplied to the sensor, the sensor controller 7, and the solenoid valve unit 5 by using the storage battery as a power source. The solid line in the figure indicates the supply of electricity, and the dotted line indicates the transmission of signals.

[0023]

The present invention has the following effects due to the above configuration. It is possible to provide an automatic toilet bowl cleaning device having a simple valve structure and a highly versatile power generation function.

[Brief description of drawings]

FIG. 1 is a front sectional view of an automatic stool cleaning device according to the present invention.

FIG. 2 is a left side view with an upper cover removed.

FIG. 3 is an enlarged front cross-sectional view of the push button portion of FIG.

FIG. 4 is a state diagram when a push button is pressed.

FIG. 5 is a state diagram during power generation.

FIG. 6 is a state diagram in which the impeller rotates.

FIG. 7 is an electrical block diagram of the automatic cleaning device.

[Explanation of symbols]

1… Main body of automatic toilet bowl cleaning device 3 ... Push button part 3a ... push rod 3b ... wing wheel 3j ... Power generation coil 3l ... Magnet for power generation 4 ... Piston valve

Claims (4)

[Claims] 1. An automatic toilet flushing device for electrically flushing a solenoid valve or pushing a manual push button to open a piston valve by a push rod interlocking with the push button to flow wash water to a toilet bowl. An impeller is installed in the, and the impeller is rotated by the wash water flowing through the water passage when the piston valve is opened.
An automatic toilet cleaning device characterized in that the rotation of the impeller is transmitted to a generator via a push rod to generate electric power, and the electromagnetic valve is driven by the generated electric power. 2. The automatic toilet bowl cleaning device according to claim 1, wherein the electricity generated by the generator is stored in a storage battery and also stored in the storage battery from a backup battery. 3. The toilet bowl automatic cleaning device according to claim 1, wherein the impeller is provided in a valve body. 4. The toilet bowl automatic cleaning device according to claim 1, wherein the impeller is provided downstream of the piston valve and upstream of the vacuum breaker.