JPS5841384B2 - toilet bowl cleaning device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for automatically and intermittently flushing water supplied into a water tank into a toilet bowl using the operation of an automatic siphon provided in the water tank to clean the toilet bowl.

Conventional toilet bowl cleaning devices of this type are installed upstream of the water supply device that supplies water to the water tank when the toilet bowl is not used for a considerable period of time, such as at night, that is, when there is no need to flush the toilet bowl for a long period of time. The water supply to the aquarium can be stopped by operating the water stop valve provided.

However, in places where a large number of toilets are installed in separate locations, such as in buildings, it is necessary to close the water stop valves installed in each device one by one, which is a great deal of effort. Due to a lack of manpower, the water shutoff valve is often left unoperated, and even if it is not left unattended, it is sometimes forgotten to close, and the toilet is regularly turned off even when the toilet is not being used, such as at night. In schools, theaters, etc., although toilets are rarely used during classes or performances, toilet bowls are often cleaned as often as during breaks when toilets are used intensively. However, the current situation is that water is often wasted.

On the other hand, the lack of water resources has become a major social problem in recent years, and there is a demand for the development of toilet bowl cleaning devices that can save water resources.

In view of this situation, the present invention is designed to prevent wastage of water resources due to forgetting to close the water stop valve or leaving the water stop valve unattended due to lack of manpower. It is an object of the present invention to provide an automatic equidistant toilet flushing device that can electrically control the opening and closing of a water supply valve of a water supply device that supplies water to a water tank equipped with an automatic siphon.

The present invention will be described in detail below based on embodiments shown in the drawings.

FIG. 1 is a schematic diagram of the entire apparatus showing a plurality of cleaning rows arranged in parallel. Each cleaning row consists of a water tank 1 equipped with an automatic siphon 2, a water supply device 6 for supplying water to this water tank 1, and a water supply device 6. The automatic siphon 2 installed in the water tank 1 is a well-known automatic siphon whose outlet 3 is connected to a hot water pipe 4. and contact several urinals 5.

The water supply device 6 connects to a water supply pipe 7 such as a water pipe to electrically supply water to the water tank 1, and is integrally equipped with an electric drive device 8 that opens and closes a water supply valve 9 by the rotational force of a motor, and also has a water spout 11. is installed facing the water tank 1, and a water stop valve 10 is provided on the upstream side of the water supply valve 9.

The stop valve 10 adjusts the amount of water supplied to the water tank 1 by manually opening and closing the pipe to change its water flow area, and the automatic siphon 2 sets the cleaning interval for intermittent cleaning.

The electric drive device 8 controls the rotation of the motor M by a suitable speed reduction mechanism (
Output shaft 1 supported by case 12 via (not shown)
The output shaft 13 supports a disc-shaped eccentric cam 14, and the eccentric cam 14 has an eccentric cam 14 that is supported on the cam surface of the eccentric cam 14 so as to be movable in the axial direction by the case 12. One end of the operating plunger 15 is pressed against the other end by the action of a return spring 17 attached to the corresponding valve stem 16.

The valve stem 16 is held in a reciprocating manner by a guide 18 and extends into the valve housing 19 of the water supply device 6, and its tip passes through the valve seat hole 20 to reach the inflow side, and corresponds to the valve seat 21 on the back side. The water supply valve 9 includes a valve body 22 having a valve seat seating surface formed thereon.

Therefore, in the process of rotating the eccentric cam 14 in one direction together with the output shaft 13, in the first half rotation, the actuating plunger 15
The actuating plunger 15 is moved forward, and in the next half turn, the actuating plunger 15 is moved backward, and as the actuating plunger 15 moves forward and backward, the water supply valve 9 opens and closes.

Further, the output shaft 13 supports a pair of cams 23 and 24, each having a shape cut out approximately halfway around the peripheral edge of a disk, and the cams 23 and 24 rotate together with the output shaft 13 to open the limit switch 25a.

25b' Works to perform Y switching operation.

The operating modes of the limit switches 25a and 25b are such that the limit switch 25a operates during the forward movement of the actuating plunger 15, and the limit switch 25a operates during the backward movement of the operating plunger 15.
5b are selected so that they are each turned ON.

Next, the circuit configuration of this device will be explained with reference to FIG.

The first water supply device controls the water supplied to the aquariums belonging to the first series, and the second water supply device controls the water supplied to the aquariums belonging to the second series.

and the first water supply device is operated by a first electric drive device.
The second water supply device is also driven by a second electric drive.

Note that when the number of cleaning trains is three or more, a water supply device and an electric drive device for driving the same are provided for each train.

The electric drive device 8 includes a motor M for providing driving force to the water supply device 6, a pair of limit switches 25a and 25b that regulates the rotation angle range of the output shaft 13 interlocked with the motor M, and one of the two. It has a contact 26 controlled by a relay R'7 so as to connect one end to a power source E.

This relay R' has contact 26 and limit switch 2.
It is connected to a power source via a control switch 27 so as to be in parallel with a series circuit consisting of motors 5a, 25b and motor M.

Further, an indicator lamp L is connected in parallel with the motor M to indicate the drive of the motor M.

The contact 26 is connected to the limit switch 25a side when the relay R' is ON, and to the limit switch 25a side when the relay R' is OFF.
5b side, respectively.

Therefore, motor M is connected to terminal Ca of contact 26 of relay R/.
between terminals c and b of contact 26 and when limit switch 25a is ON, or when terminals c and b of contact 26 and limit switch 2
When 5b is ON, it is connected to power source E and rotates.

In the state shown in FIG. 3, the control switch 27 is OFF, the relay R' is OFF, and the terminal cb of the contact 26 is ON, but the limit switch 25a is ON, so the motor M does not rotate. .

At this time, the operating plunger 15 is retracted, and the water supply valve 9 is therefore closed, so water is not supplied to the water tank 1 and the toilet bowl 5 is not flushed.

When control switch 27 is turned on in this state, relay R
' is turned on, and the terminal ca of contact 26 is turned on,
Current flows to the motor M through the contact 26 and the limit switch 25aK, the output shaft 13 begins to rotate, the operating plunger 15 moves forward and the water supply valve 9 begins to open, and intermittent flushing of the toilet bowl also begins.

When the output shaft 13 rotates approximately 1800 degrees, the limit switch 25a is turned OFF by the action of the cam 23, and the motor M is stopped, and at the same time, the limit switch 25b is turned OFF.
Become N.

At this time, the water supply valve 9 is in the most open state, and flushing of the toilet bowl continues intermittently.

Next, when the control switch 27 is turned OFF, the relay R'
turns OFF, and the terminal c and a of the contact 26 turns OFF.
At the same time, terminals c and b are turned on, motor M rotates, water supply valve 9 begins to close, and limit switch 25b is turned on.
The motor M rotates until the water supply valve 9 is turned off, and the intermittent flushing of the toilet bowl 5 is stopped when the water supply valve 9 is completely closed.

This relationship is expressed in a timing chart as shown in FIG.

Furthermore, similar operations are performed in the second cleaning queue.

That is, by operating a single control switch 27, it is possible to control a plurality of cleaning queues simultaneously.

As shown in FIG. 5, the control switch 27 is automatically turned on according to the time period for cleaning by a timer 28, which is set in accordance with the time period in which the toilet is used.

Turn it OFF.

Therefore, the start and stop of water supply by the water supply device 6 is electrically controlled by the timer 28.

In addition, 29 is a terminal block of the electric drive device 8 of the water supply device 6;
W and R are electrical wirings connected to the terminal block 29 of the electric drive device 8.

The water supply device 6 may be any valve that can be electrically opened and closed.

Further, the water supply may be controlled for a plurality of washing series by one timer, or the water supply may be controlled by providing a timer for each washing series.

The present invention is configured as described above, and uses a timer to electrically control the start and stop of water supply to the aquarium, and sets the intermittent cleaning time period using an automatic siphon, and also sets the cleaning interval for the intermittent cleaning using a water stop valve. Therefore, water is supplied to the water tank during times when the toilet is in use, such as during working hours at a company or during breaks at a school, theater, etc., and water is not supplied to the water tank during times when the toilet is not in use, resulting in waste of the toilet. The toilet bowl can be kept clean and water can be conserved by eliminating the need for flushing and adjusting the flushing interval to the optimum interval according to the frequency of use.

In addition, unlike conventional devices, there is no need to turn on the water shut-off valve to conserve water, and it is economical and does not require manpower, and there is no need to forget to turn on the water-shut valve. There is no need to open and close the power switch like you would do with a .

Furthermore, by using a water tank equipped with an automatic siphon, the instantaneous flow rate is as high as possible, and the effect of flushing the toilet bowl is as high as that of a dog.Not only can water be used effectively and water can be saved, but the water supply pipe can be used without any malfunctions. Even if the diameter is small, it can be used even when water pressure is low.

Furthermore, when the water supply valve malfunctions, the water supply valve can be easily repaired by closing the water stop valve provided upstream of the water supply valve.

Therefore, the toilet bowl can be flushed by effectively using water without wasting it, and the toilet bowl can always be kept clean, and moreover, water can be saved.

Therefore, the intended purpose can be achieved.

[Brief explanation of drawings]

The drawings show embodiments of the present invention, and Fig. 1 is a schematic diagram of the entire device, Fig. 2 is an enlarged partially cutaway view of the water supply device, Fig. 3 is a circuit configuration diagram, and Fig. 4 shows the operation timing of each part. The timing chart shown in FIG. 5 is a wiring diagram. 1...Aquarium, 2...Mid-motion siphon, 3.
...Exit, 5...Toilet, 6...
Water supply device, 8... Electric drive device, 9...
・Water supply valve, 10... Water stop valve, 21...
Valve seat, 22... Valve body, 27... Control switch, 28... Timer.

Claims (1)

[Claims] 1.Equipped with an aquarium equipped with an automatic siphon, a water supply device for supplying water to this aquarium, and a toilet installed in communication with the outlet of the automatic siphon in the aquarium, the water supplied to the aquarium by the water supply device is automatically supplied to the aquarium. This is a toilet bowl cleaning device that flushes the toilet bowl intermittently by discharging water using a siphon.
The control switch comprises an electric drive device, a valve body, and a valve seat connected to a power source through a control switch which is set to operate in the N state and to operate in the OFF state during periods of non-use. A water supply valve that opens when the valve element moves away from the valve seat during ON operation, and closes when the valve element seats on the valve seat during OFF operation, and a water supply valve that is installed upstream of the water supply valve and controls the amount of water supplied to the water tank. and a water stop valve that adjusts the interval of intermittent flushing using the automatic siphon.