JP2000001892A - Water closet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water closet capable of discharging and flushing without clogging a detergent solution, of efficiently washing and of reducing the manufacturing cost and simplifying the installation work. SOLUTION: A washing water discharge portion 2 for discharging and flushing washing water to almost the whole of the inner surface of the main body 1 of the water closet and a water supply path 3 supplying the washing water to the washing water discharge portion 2 are formed in the main body 1 of the water closet. Then, a detergent tank 4 for storing a detergent solution is attached to the main body 1 of the water closet, and a detergent inflow portion 5 for flowing the detergent solution supplied from the detergent tank 4 to the water supply path 3 is provided in the water supply path 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush toilet capable of cleaning substantially the entire inner surface of a toilet body with a detergent solution and washing water.

[0002]

2. Description of the Related Art A flush toilet as disclosed in JP-A-7-310351 has been conventionally known. As shown in FIG. 4, the flush toilet includes a flush water discharge unit 2 that discharges flush water to substantially the entire inner surface of the toilet body 1 and a water supply passage 3 that supplies flush water to the flush water discharge unit 2. A detergent tank 4 formed in the toilet body 1 and storing a detergent liquid is separately provided. In this case, substantially the entire inner surface of the toilet body 1 can be washed with the detergent liquid and the washing water, and the sewage after washing is discharged to the drain port formed in the inner bottom of the toilet body 1.
Emitted from 12 and removed.

That is, in this case, a rim water passage 10 protruding from the inner periphery of the opening edge of the toilet body 1 and a spout formed along the circumferential direction of the opening edge opened downward into the rim water passage 10. The outlet 11 forms a washing water discharge portion 2, and a detergent passage rim 23 separately partitioned along the outer periphery of the wash water discharge portion 2 is formed on the inner periphery of the opening edge of the toilet body 1. I have. A water supply pipe 18 is connected to the water supply passage 3, and a detergent passage rim is provided.
One end of a detergent supply pipe 24 is connected to 23, and the detergent supply pipe 24
Is connected to the detergent tank 4. Also, water supply pipe 18
Is provided with an electromagnetic opening / closing valve A for starting / stopping the supply of the washing water to the water supply passage 3 by an opening / closing operation. In the middle of the detergent supply pipe 24, the flow of the detergent liquid into the detergent passage rim 23 is provided. Is provided with an electromagnetic opening / closing valve B for starting and stopping the opening / closing operation.

Therefore, by opening the electromagnetic on-off valve A, the washing water is supplied from the water supply pipe 18 to the water supply passage 3, and the washing water is supplied to the rim water passage 10 of the washing water discharge section 2 and the same. The water is discharged from the discharge port 11 of the flush water discharge part 2 and is flowed to substantially the entire inner surface of the toilet body 1. At this time, by opening the electromagnetic on-off valve B, the detergent liquid flows into the detergent passage rim 23 from the detergent tank 4 through the detergent supply pipe 24, and the detergent liquid is discharged from the detergent passage rim 23. Water is flushed over substantially the entire inner surface of the toilet body 1. In this manner, substantially the entire inner surface of the toilet body 1 is washed with the detergent solution and the washing water.

[0005]

However, in the above-mentioned prior art, the detergent passage rim 23 for discharging the detergent liquid to substantially the entire inner surface of the toilet body 1 is formed separately from the wash water discharge portion 2. Therefore, there has been a problem that the structure of the toilet body 1 is complicated and its manufacturing cost is increased. Moreover, the detergent passage rim 23 into which only the detergent solution flows is easy to be clogged because the detergent solution solidifies and accumulates in the rim 23, and the detergent solution does not spread over the entire inner surface of the toilet body 1 smoothly or sufficiently. There is a problem that the efficiency is reduced. Further, since the detergent tank 4 must be provided separately from the toilet body 1, there is also a problem that the construction is troublesome.

SUMMARY OF THE INVENTION The present invention has been made in order to solve all the problems in the prior art described above. That is, the problem is that the detergent liquid is discharged and flowed without clogging, so that the detergent liquid is efficiently washed and the production cost is reduced. An object of the present invention is to provide a flush toilet capable of simplifying construction and construction.

[0007]

According to a first aspect of the present invention, there is provided a flush toilet according to the present invention, wherein a flush water discharge section discharges flush water to substantially the entire inner surface of a toilet body, and supplies flush water to the flush water discharge section. A water supply passage formed in the toilet body, wherein a detergent tank for storing the detergent liquid is attached to the toilet body, and the detergent liquid supplied from the detergent tank flows into the water supply passage. The detergent inlet is provided in the water supply passage.

Therefore, in this case, the flush water supplied from the water supply passage to the flush water discharge section is discharged from the flush water discharge section to substantially the entire inner surface of the toilet body. Further, the detergent liquid stored in the detergent tank also flows into the same water supply passage from the detergent inflow portion provided in the water supply passage, and similarly from the same wash water discharge portion as the detergent liquid, the entire inner surface of the toilet main body. Discharged water is discharged. Therefore, substantially the entire inner surface of the toilet body can be washed with the detergent liquid and the washing water.

In addition, since the detergent liquid and the washing water flow through the same water supply passage and are discharged from the same washing water discharge part, the detergent liquid does not accumulate in the water supply passage or the washing water discharge part. And the clogging of the water supply passage or the washing water discharge portion is prevented. for that reason,
The detergent liquid and the washing water smoothly and sufficiently spread over substantially the entire inner surface of the toilet body, so that substantially the entire inner surface of the toilet body can be efficiently cleaned.

Further, since the water supply passage and the flush water discharge portion are shared, only the water supply passage and the flush water discharge portion need to be formed in the toilet body, and the structure of the toilet body is simplified. The manufacturing cost can be reduced.
In addition, since the detergent tank is attached to the toilet body, there is no need to separately install the detergent tank, and it is not necessary to install the toilet body, and the construction can be simplified, and the construction can be simplified.

According to a second aspect of the present invention, there is provided the flush toilet according to the first aspect, wherein the detergent liquid flows into the water supply passage from the detergent inflow portion, and the detergent liquid flows through the water supply passage. After being discharged from the discharge section, the cleaning water is discharged from the cleaning water discharge section.

Therefore, in this case, in particular, after the detergent liquid is discharged from the washing water discharge portion via the water supply passage, the washing water is discharged from the washing water discharge portion. Since the inside of the washing water discharge section is cleaned with the washing water after the detergent liquid flows, clogging with the detergent liquid can be reliably prevented. In addition, since the washing water is flushed after the detergent liquid is flushed on substantially the entire inner surface of the toilet body, the detergent solution is spread with the washing water, and is sufficiently washed, and then washed with the same washing water, thereby improving the washing efficiency. And the residual detergent liquid is prevented.

A flush toilet according to a third aspect of the present invention is the flush toilet according to the second aspect, wherein an electromagnetic opening / closing valve A for starting / stopping the supply of wash water to the water supply passage by opening / closing operation; An electromagnetic on-off valve B for starting and stopping the flow of detergent liquid into and out of the valve by an opening and closing operation, and control means for controlling the electromagnetic on-off valve A to open after a predetermined time from the opening operation of the electromagnetic on-off valve B And characterized in that:

Therefore, in this case, in particular, the electromagnetic on-off valve B is opened to start the flow of the detergent liquid into the water supply passage, and after a predetermined time, the electromagnetic on-off valve A is opened to open the water supply passage. Since the supply of the wash water is started, the detergent water is discharged from the wash water discharge unit through the water supply passage, and then the wash water is discharged from the wash water discharge unit, as in the case of the second aspect. As a result, the same operation and effect as those in the case of the second aspect are exerted. Moreover, in this case, since the electromagnetic on-off valves A and B are controlled and operated by the control means, the operation at the time of washing becomes simple and reliable.

A flush toilet according to a fourth aspect of the present invention is the flush toilet according to the third aspect, wherein a water supply passage is formed at a rear portion of the toilet body, and is substantially continuous with an outer shape of the toilet body at an upper surface of the rear portion. A cover case is installed, and both the solenoid on-off valves A and B, control means and a detergent tank are accommodated in the cover case,
A lid for covering the detergent liquid inlet of the detergent tank is attached to the cover case so as to be openable and closable.

Therefore, in this case, in particular, a cover case substantially continuous with the outer shape of the toilet body is installed on the rear upper surface of the toilet body in which the water supply passage is formed, and the two electromagnetic on-off valves A, B, the control means and the detergent tank are housed, so that the overall appearance fits comfortably in the companion. In addition, since the lid that covers the detergent liquid inlet of the detergent tank is attached to the cover case so that it can be opened and closed freely,
When the lid is opened, the detergent liquid can be easily replenished into the detergent tank from the detergent liquid inlet, and when the lid is closed, the appearance as described above is good.

A flush toilet according to a fifth aspect of the present invention is the flush toilet according to any one of the first to fourth aspects, further comprising: a rim water passage protruding from an inner periphery of an opening edge of the toilet body;
A washing water discharge portion is formed by a discharge port opened downward in the rim water passage and opened along the circumferential direction of the opening edge.

Therefore, in this case, in particular, the washing water supplied to the water supply passage and the detergent liquid flowing into the water supply passage are supplied to the rim water passage of the washing water discharge section to discharge the cleaning water. The water is discharged downward from the discharge port of the part, and is flushed substantially all over the inner surface of the toilet body. Therefore, substantially the entire inner surface of the toilet body is evenly washed with the detergent solution and the washing water, and the washing efficiency is improved.

[0019]

1 to 3 show the first embodiment of the present invention.
5 shows an embodiment corresponding to all of the embodiments described above. The flush toilet of this embodiment includes a flush water discharge section 2 that discharges flush water to substantially the entire inner surface of a toilet body 1, and flush water to the flush water discharge section 2. And a water supply passage 3 for supply, formed in the toilet body 1, in which a detergent tank 4 for storing a detergent liquid is provided.
Is attached to the toilet body 1, and a detergent inflow portion 5 for allowing the detergent liquid supplied from the detergent tank 4 to flow into the water supply passage 3 is provided in the water supply passage 3.

In the flush toilet of this embodiment, the detergent liquid flows into the water supply passage 3 from the detergent inflow portion 5, and after the detergent liquid is discharged from the wash water discharge portion 2 through the water supply passage 3, The cleaning water is discharged from the cleaning water discharge unit 2. In this case, an electromagnetic opening / closing valve A for starting / stopping the supply of the wash water to the water supply passage 3 by an opening / closing operation, an electromagnetic opening / closing valve B for starting / stopping the flow of the detergent liquid into the water supply passage 3 by the opening / closing operation, Control means 6 for controlling the electromagnetic on-off valve A to open after a predetermined time from the opening operation of the electromagnetic on-off valve B.

Further, a water supply passage 3 is formed in the rear part of the toilet body 1, and a cover case 7 substantially continuous with the outer shape of the toilet body 1 is installed on the rear upper surface. A, B, containing the control means 6 and the detergent tank 4,
A cover 9 covering the detergent liquid inlet 8 of the detergent tank 4 is attached to the cover case 7 so as to be openable and closable. The toilet body 1
The washing water discharge part 2 is formed by a rim water passage 10 protruding from the inner periphery of the opening edge of the rim, and a discharge port 11 opened downward in the rim water passage 10 and opened along the circumferential direction of the opening edge. Has formed.

The toilet body 1 is made of ceramic or synthetic resin and is integrally formed, and has a drain port 12 at the inner bottom. A toilet seat 13 having a heating function on the upper end opening of the toilet body 1, a toilet lid 14 for opening and closing the upper end opening on the toilet seat 13,
Is attached. The toilet seat 13 and the toilet lid 14 are both pivotally attached to the cover case 7. The cover case 7 is made of synthetic resin and has an upper surface that is substantially flush with the closed toilet lid 14 and that is substantially continuous with the closed toilet lid 14, and an outer peripheral surface that is substantially continuous with the rear outer shape of the toilet body 1. .

The cover case 7 is installed on the rear upper surface of the toilet body 1 as a hot water cleaning device (not shown) for cleaning a local part of a human body. That is, a drive mechanism for moving the washing nozzle projecting and retracting in the toilet main body 1 and a pump for supplying hot water to the washing nozzle are housed in the cover case 7. Utilizing the cover case 7, the two electromagnetic on-off valves A and B, the control means 6, and the detergent tank 4 are accommodated in the internal space thereof.

A water supply passage 3 partitioned by a partition wall 15 is integrally formed on the upper side of the side of the toilet main body 1. The water supply passage 3 and the rim water passage 10 communicate with each other through a water inlet 16. Have been. The water supply passage 3 is opened at the rear upper surface of the toilet body 1, and the two electromagnetic on-off valves A and B are disposed on the opening 17. In this case, since the electromagnetic on-off valve A is provided on the rear side (on the water side) of the electromagnetic on-off valve B, a hose-shaped hose connected to the electromagnetic on-off valve B is provided by the washing water supplied from the electromagnetic on-off valve A. The detergent inlet 5 is effectively cleaned and cleaned.

Wash water is supplied to the electromagnetic on-off valve A from a water supply pipe 18 laid as a water supply, and the water supply pipe 18 is connected to the electromagnetic on-off valve A through a side surface of the cover case 7. In this case, the washing water can be supplied to the electromagnetic on-off valve A from a water storage tank such as a low tank via the water supply pipe 18. A water supply hose 19 is connected to the electromagnetic on-off valve A, and the water supply hose 19 and the detergent inflow section 5 are inserted into the water supply passage 3 through an opening 17 on the rear upper surface of the toilet body 1.

An opening continuous with the upper surface and the outer peripheral surface is formed on a side portion of the cover case 7, and a lid 9 bent substantially in an L shape is pivotally attached to a lower edge of the opening. The lid 9 opens and closes the opening. When the lid 9 is opened,
The detergent tank 4 accommodated in the cover case 7 is exposed,
A cap attached to the detergent liquid inlet 8 of the detergent tank 4
By attaching and detaching 81, the detergent liquid can be replenished in the detergent tank 4.

The control means 6 for controlling the electromagnetic valves A and B can be operated by a remote controller 20. That is, the remote control 20 includes a cleaning switch 21 and a cleaning switch.
When the cleaning switch 21 is operated, the electromagnetic on-off valve A is opened to perform normal cleaning. When the cleaning switch 22 is operated, the electromagnetic on-off valve B is opened and the electromagnetic on-off valve B is opened. After a predetermined time, the electromagnetic on-off valve A is automatically opened, and the effective cleaning of the present invention is performed.

In this case, after the electromagnetic on-off valve B is opened and the detergent liquid is discharged, the electromagnetic on-off valve A is opened only for a short time, and a small amount of washing water is used to remove the detergent liquid. May be spread over substantially the entire inner surface of the toilet body 1, and thereafter, the electromagnetic on / off valve A may be opened to perform normal cleaning, and the detergent liquid may be washed away. Further, when the cleaning switch 22 is operated, the electromagnetic on-off valve B is only opened, and thereafter,
The cleaning switch 21 may be manually operated so that the cleaning is effectively performed according to the present invention.

Further, in the flush toilet of the embodiment, the effective flushing of the present invention may be automatically performed once a day or once every several days. That is, the electromagnetic on-off valve A may be automatically opened at a set date and time and the electromagnetic on-off valve A is opened a predetermined time after the electromagnetic on-off valve B is opened. By doing so, substantially the entire inner surface of the toilet body 1 can be always kept in a sanitary state.

Therefore, in the flush toilet of this embodiment, the flush water supplied from the water supply passage 3 to the flush water discharge section 2 is discharged from the flush water discharge section 2 to almost the entire inner surface of the toilet body 1. . Further, the detergent liquid stored in the detergent tank 4 also flows into the water supply passage 3 from the detergent inflow portion 5 provided in the water supply passage 3 and, similarly to the detergent liquid, flows from the same flush water discharge portion 2 to the toilet body. The water is discharged and flown over substantially the entire inner surface of 1. Therefore, substantially the entire inner surface of the toilet body 1 can be washed with the detergent solution and the washing water.

Further, since the detergent liquid and the washing water flow through the same water supply passage 3 and are discharged from the same washing water discharge part 2, the detergent liquid in the water supply passage 3 or the washing water discharge part 2 is discharged. The water is flushed out by the washing water without being accumulated, and the clogging of the water supply passage 3 or the washing water discharge part 2 is prevented. Therefore, the detergent liquid and the washing water can be smoothly and sufficiently distributed to substantially the entire inner surface of the toilet body 1, and the substantially entire inner surface of the toilet body 1 is efficiently cleaned.

Further, since the water supply passage 3 and the washing water discharge section 2 are shared, the toilet body 1 has the same water supply passage 3.
In addition, it is only necessary to form the flush water discharge section 2, the structure of the toilet body 1 is simplified, and the manufacturing cost is reduced. Also, since the detergent tank 4 is attached to the toilet body 1,
There is no need to separately install the detergent tank 4, and the installation does not require much labor to install the toilet body 1, and the installation is simplified.

Further, in the flush toilet of the present embodiment, after the detergent liquid is discharged from the flush water discharge section 2 through the water supply passage 3, the flush water is discharged from the flush water discharge section 2. Therefore, the inside of the water supply passage 3 and the inside of the washing water discharge unit 2 are cleaned with the washing water after the detergent liquid flows,
Clogging with the detergent liquid is reliably prevented. In addition, since the washing liquid is flushed after the detergent liquid is flushed on substantially the entire inner surface of the toilet body 1, the detergent liquid is spread with the washing water, and is sufficiently washed. The efficiency is improved and the detergent liquid is prevented from remaining.

Further, in this case, the electromagnetic on-off valve B is opened to start the flow of the detergent liquid into the water supply passage 3. After a predetermined time, the electromagnetic on-off valve A is opened and the water supply passage 3 is opened. Since the supply of the washing water to the washing water is started, that is, the electromagnetic on-off valves A and B are controlled and operated by the control means 6, the operation at the time of washing becomes simple and reliable.

Further, the toilet body 1 in which the water supply passage 3 is formed.
On the rear upper surface, a cover case 7 that is substantially continuous with the outer shape of the toilet body 1 is installed, and the two electromagnetic on-off valves A and B, the control means 6 and the detergent tank 4 are accommodated in the cover case 7. The overall appearance fits comfortably in the companion. Moreover, since the lid 9 covering the detergent liquid inlet 8 of the detergent tank 4 is attached to the cover case 7 so as to be openable and closable,
When the lid 9 is opened, the detergent liquid can be easily replenished into the detergent tank 4 from the detergent liquid inlet 8, and when the lid 9 is closed, the appearance as described above is well-fitted.

In the flush toilet of this embodiment, the washing water supplied to the water supply passage 3 and the detergent liquid flowing into the water supply passage 3 are supplied to the rim water passage 10 of the washing water discharge section 2.
And is discharged downward from the discharge port 11 of the flush water discharge part 2 to be flushed to substantially the entire inner surface of the toilet body 1. Therefore, substantially the entire inner surface of the toilet body 1 is evenly washed with the detergent solution and the washing water, and the washing efficiency is improved.

[0037]

As described above, in the flush toilet according to the first aspect of the present invention, clogging of the water supply passage or the flush water discharge portion by the detergent liquid is prevented, and substantially the entire inner surface of the toilet body is efficiently cleaned. In addition, since the water supply passage and the flush water discharge section are shared, the manufacturing cost of the toilet body can be reduced, and there is no need to separately install a detergent tank, thereby simplifying construction. Can also.

In the flush toilet according to the second aspect of the present invention, in particular, the inside of the water supply passage and the inside of the washing water discharge section are cleaned with the washing water after the washing liquid flows, so that the clogging with the washing liquid occurs. In addition, the detergent liquid is spread over the entire inner surface of the toilet body with the washing water, and the washing liquid is sufficiently washed and then washed away with the washing water, so that the washing efficiency is improved and the detergent liquid is improved. Is also prevented from remaining.

In the flush toilet according to the third aspect of the present invention, in particular, the flushing water is discharged after the detergent liquid by controlling the solenoid on-off valves A and B by the control means. Thus, the same operation and effect as in the case of the second aspect are exerted, and the operation at the time of washing becomes simple and reliable.

Further, in the flush toilet according to the fourth aspect of the present invention, in particular, the two solenoid on-off valves A, B,
The control means and the detergent tank are housed, the overall appearance fits comfortably in the companion, and the lid can be opened and the detergent liquid can be easily replenished in the detergent tank. It has a good appearance.

In the flush toilet according to the fifth aspect of the present invention, in particular, the flush toilet is provided with a rim water passage protruding from the inner periphery of the opening edge of the toilet body through a discharge port formed along the circumferential direction thereof. The water and the detergent liquid are discharged downward, and substantially the entire inner surface of the toilet body is evenly washed everywhere, and the washing efficiency is improved.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional side view showing a flush toilet according to an embodiment of the present invention.

FIG. 2 is a plan view showing a toilet body in the flush toilet.

FIG. 3 is a perspective view showing the flush toilet.

FIG. 4 is a longitudinal sectional view showing a conventional flush toilet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Toilet main body 2 Washing water discharge part 3 Water supply passage 4 Detergent tank 5 Detergent inflow part 6 Control means 7 Cover case 8 Detergent liquid inlet 9 Lid 10 Rim water passage 11 Discharge port

Claims (5)

[Claims] 1. A flush toilet formed with a flush water discharge section for discharging flush water to substantially the entire inner surface of the toilet body, and a water supply passage for supplying flush water to the flush water discharge section. A flush toilet comprising: a detergent tank for storing a detergent liquid attached to a toilet body; and a detergent inflow portion for allowing a detergent liquid supplied from the detergent tank to flow into the water supply passage. 2. A detergent liquid flows into a water supply passage from a detergent inflow portion, and after the detergent liquid is discharged from the wash water discharge portion through the water supply passage, the wash water is discharged from the wash water discharge portion. The flush toilet according to claim 1, wherein the flush toilet is provided. 3. An electromagnetic opening / closing valve A for starting / stopping the supply of washing water to the water supply passage by opening / closing operation, an electromagnetic opening / closing valve B for starting / stopping the flow of the detergent liquid into the water supply passage by opening / closing operation, 3. The flush toilet according to claim 2, further comprising control means for controlling the electromagnetic on-off valve A to open after a predetermined time from the opening of the electromagnetic on-off valve B. 4. A water supply passage is formed in a rear part of the toilet body, and a cover case substantially continuous with an outer shape of the toilet body is installed on an upper surface of the rear part, and both the solenoid on-off valves A, B, and
4. The flush toilet according to claim 3, wherein the control means and the detergent tank are accommodated, and a lid for covering the detergent liquid inlet of the detergent tank is attached to the cover case so as to be openable and closable. 5. The flush water provided by a rim water passage protruding from the inner periphery of the opening edge of the toilet body, and a discharge port opened downward in the rim water passage and opened along the circumferential direction of the opening edge. The flush toilet according to any one of claims 1 to 4, wherein a discharge part is formed.