JP2804744B2 - Toilet bowl cleaning 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 structure of a device for supplying water from a water supply tank such as a low tank to a toilet bowl of a toilet, and more particularly to a simple flushing device for discharging waste and cleaning the toilet bowl using a small amount of water. Water supply system suitable for
Further, the present invention relates to a water supply device that can be used for main water washing.

[0002]

2. Description of the Related Art Conventionally, there is a toilet disclosed in Japanese Utility Model Publication No. 6-34455 as a toilet that can be used for both simple flushing and main flushing. This can be switched between simple flushing and main flushing by changing the member connected to the outlet at the bottom of the toilet bowl of the toilet bowl. That is, by connecting the valve unit to the outlet, it can be used for simple flushing, and by connecting the drain trap to the outlet, it can be used for main flushing. In addition, a water passage is provided in the rear part of the toilet, and the water passage is communicated with the inside of the low tank,
A water outlet communicating with the water passage is provided at the rear of the toilet bowl, and the inside of the toilet bowl is washed by supplying water from the low tank via the water passage and discharging water from the water outlet. Further, in the case of simple washing, the amount of water supplied from the raw tank is reduced, and in the case of main washing, the amount of water supplied from the raw tank is increased.

[0003]

In the above structure, the water passage and the spout are formed integrally with the ceramic toilet bowl, so that depending on the finished condition of the pottery, the unevenness of the inner wall surface of the water passage and the spout of the spout can be determined. Irregularities often occur, and in the case of simple flushing in which a small amount of water is supplied to perform washing, there is a problem that the water supply is not stable and water cannot be flushed through the entire toilet bowl. In addition, since the spout has a small diameter to accommodate simple flushing, the spout becomes a resistance when a large amount of water is used for main flushing, allowing the flushing water to flow vigorously into the toilet bowl. And there was a problem that waste could not be discharged cleanly.

SUMMARY OF THE INVENTION The present invention has been made in view of the above description, and improves the flushing performance and sewage discharge performance of a toilet bowl by ensuring that sufficient water can flow into the inner surface of the toilet bowl even when a simple flush is used. That is the task.

[0005]

According to the present invention, there is provided a toilet flushing apparatus comprising: a water supply tank disposed above a rear portion of a toilet; and a water supply tank extending from the water supply tank to a toilet bowl of the toilet. In this manner, a water supply pipe 4 for supplying water is inserted into the toilet 1, and a nozzle 6 having an injection hole 5 is provided on the toilet bowl 3 side of the water supply pipe 4. Water is supplied from the water supply tank 2 through the water supply pipe 4 separate from the toilet bowl 1 and the nozzle 6
Water can be injected from the injection hole 5 of the toilet bowl 3 and can supply water stably irrespective of the finished condition of the pottery toilet 1, and even when used for simple flushing, the inner surface of the toilet bowl 3 It is possible to surely and sufficiently spread the water, and it is possible to improve the toilet flushing property and the waste discharging property.

[0006] It is also preferable that a flexible portion is formed in the water supply pipe 4. In this case, even if the porcelain toilet bowl 1 has dimensional variations, it can be absorbed and easily and reliably attached. Further, the nozzle 6 is detachably connected to the water supply pipe 4, and the injection hole 5 of the nozzle 6 is formed.
There it characterized by comprising providing a positioning unit 7a for positioning the nozzle 6 against the water supply pipe 4 so as to face downward, and 7b in the water supply pipe 4 and the nozzle 6. In this case, the water supply pipe 4 and the nozzle 6 can be easily formed by being separated from each other,
Moreover, even if the water supply pipe 4 and the nozzle 6 are separate bodies, the water supply pipe 4
The nozzle 6 can be positioned and accurately mounted, and the direction of the injection hole 5 of the nozzle 6 can be directed to a predetermined direction.

It is also preferable that the water supply pipe 4 is provided with a flange 8 having a flat surface 8a which comes into contact with a wall surface in the toilet 1 so that the injection hole 5 of the nozzle 6 faces downward. . In this case, the water supply pipe 4 can be positioned by abutting the flat surface 8a of the flange 8 against the wall surface of the toilet 1 so that the injection hole 5 of the nozzle 6 faces downward. Toilet 1
Water supply tank 2 and the provided toilet water passage 9 for communicating the rear of the toilet bowl 3, drainage port of the wash water into the water supply tank 2 2 within
0 is provided in communication with the toilet water passage 9.
Through the water supply pipe 4 and drain one end of the water supply pipe 4.
The water supply pipe 4 is detachably attached so as to communicate with the water port 20 , and the opening and closing of the water supply pipe 4 allows drainage of washing water from the water port 20.
A float valve 29 is provided in the water supply tank 2 to supply water from the water supply tank 2 via the water supply pipe 4 when using for simple flushing, and to shorten the opening time of the float valve 29 to wash water.
The water supply pipe 4 is detached and water is supplied from the water supply tank 2 via the toilet water passage 9 when the main water is used for washing.
At the same time, the opening time of the float valve 29 is extended to supply the washing water.
It is also preferable that the feeding amount is increased . In this case, a small amount of water can be supplied stably via the water supply pipe 4 in the case of simple flushing, and a large amount of water can be supplied through the toilet water passage 9 in the case of main flushing. For this reason, the toilet 1 can be used for both simple flushing and main flushing, and water can be appropriately supplied in both simple flushing and main flushing.

[0008]

1 and 2 show a case where a toilet is used for simple flushing. The toilet bowl 1 is provided with a toilet bowl 3, and a discharge port 10 is provided at the center of the bottom of the toilet bowl 3.
Is provided. A rim portion 11 is integrally provided at the upper end of the toilet bowl 3 so as to cover the entire circumference of the upper end of the toilet bowl 3 in the circumferential direction. At a position below the rim portion 11, a water passage section 14 is provided on the inner periphery of the upper portion of the toilet bowl 3 so as to cover the entire periphery. A water supply section 15 is provided in the rim section 11 at the rear of the toilet bowl 3, and the toilet water passage 9 provided inside the rear of the toilet 1 and the water supply section 15 communicate with each other through a communication opening 16. A lower opening 17 is provided at a lower portion of the water supply section 15 so as to face the water passage section 14. Front wall 1 in front of water supply unit 15
8 is provided, and a return portion 19 is provided so as to protrude rearward from the lower end of the front wall 18. A water supply tank 2 such as a low tank is mounted on the upper surface of the rear part of the toilet 1, and a drainage port 20 for washing water is provided at a bottom part of the water supply tank 2. A communication opening 21 communicating with the toilet water passage 9 is provided on the upper surface of 1.

In this embodiment, a water supply pipe 4 is provided at the rear of the toilet 1 for simple flushing. The water supply pipe 4 is inserted into the toilet water passage 9, and one end of the water supply pipe 4 is connected to a drain port 20 through a communication opening 21. A nozzle 6 is provided on the other end side of the water supply pipe 4.
The nozzle 6 faces the inside of the water supply unit 15, and is provided at the tip of the nozzle 6 with an injection hole 5 that opens downward. A valve unit 23 having a valve 22 is mounted below the outlet 10 of the toilet bowl 3. Valve 2 of valve unit 23
2 is connected to a lever 25 attached to the water supply tank 2 via a wire 24, and by rotating the lever 25, the valve 22 rotates about a shaft 26, and the discharge port 10 is operated by operating the lever 25. It can be closed and opened. On the other hand, a Douglas valve 27 is attached to the bottom of the water supply tank 2, and a chain 28
The drain valve 20 can be drained by opening and closing a float valve 29 attached to the lever 25 through the opening. In addition, the float valve 29 is provided with a weight,
The weight is changed between the time of simple flushing and the time of main flushing. That is, in the case of simple flushing, the time during which the float valve 29 is opened is shortened to reduce the supply amount of washing water, and in the case of actual washing, the time during which the float valve 29 is opened is increased to increase the supply amount of washing water. doing. Water tank 2
A drain plug 31 and a drain pipe 32 for discharging the water excessively supplied through the ball tap valve 30 to the outside of the water supply tank 2 are provided at the bottom of the tank.

When the lever 25 is rotated at the time of washing, the float valve 29 is opened, and the washing water in the water supply tank 2 is fed into the water supply pipe 4 through the drain port 20, and the water is supplied from the lower opening 17 of the water supply section 15. Toilet bowl 3 as washing water
Is discharged. At the same time, the valve 22 is opened, and the outlet 10 is opened.
The waste and the washing water in the toilet bowl 3 are discharged out of the toilet 1. In the case of simple water washing, the water is discharged from the injection hole 5 of the nozzle 6 to the water passage section 14 via the lower opening 17, and the washing water flows along the water passage section 14 and flows from the water passage section 14 around the entire circumference. Wash water is caused to flow down along the inner surface of the toilet bowl 3 to wash the inside of the toilet bowl 3. Thereby, the inside of the toilet bowl 3 is effectively washed with a small amount of washing water. Note that FIG.
The arrow in the middle indicates the flow of washing water during washing for simple washing.

FIGS. 3 and 4 show a case where a toilet bowl is used for the main flush. In this case, the valve unit 23, the wire 24, the washing pipe 4 and the nozzle 6 are removed from the use state for simple washing shown in FIGS. 1 and 2, and the drain trap 33 is connected to the outlet 10. The discharge trap 33 has a hollow inside, and together with the toilet bowl 3, collects water at the bottom of the toilet bowl 3 and performs a trap function. Further, the drain port 20 of the water supply tank 2 and the communication opening 21 are connected in a watertight manner via a connecting member 34.

By rotating the lever 25 at the time of washing, the float valve 29 is opened, and the washing water in the water supply tank 2 is sent to the toilet water passage 9 through the drain port 20 and the communication opening 21, and the toilet water passage 9 , Water is supplied to the water supply unit 15 through the communication opening 16, and washing water is discharged into the toilet bowl 3 from the lower opening 17 of the water supply unit 15, and the inside of the toilet bowl 3 is cleanly washed with a large amount of washing water. . Dirt and washing water in the toilet bowl 3 are discharged out of the toilet 1 through the drain trap 33. The arrows in FIG. 4 indicate the flow of the washing water during the main washing.

Next, the structure of the water supply pipe 4 and the nozzle 6 used for simple washing will be described in more detail. Water pipe 4
Is formed of a relatively flexible material such as rubber in a shape as shown in FIG. The water supply pipe 4 has a shape obtained by bending a round pipe into a substantially L-shape, and has an annular seal portion 35 at one end rising upward and in water-tight elastic contact with the edge of the drain port 20 of the water supply tank 2. A flange portion 36 is provided below the seal portion 35 and is engaged with an opening edge on the lower surface side of the communication opening 21. The other end projecting to the side of the water supply pipe 4 is a connection cylinder 37, and a seal ridge 38 is provided on the inner surface of the connection cylinder 37 so as to extend over the entire circumference.
A substantially rectangular flange 8 is integrally provided at an end of the connection tube 37, and a semi-annular positioning portion 7 a is provided integrally with the flange 8 along the upper half circumference of the connection tube 37. A bellows tube portion 39 is provided in front of the connection tube 37 of the water supply pipe 4, and the bellows tube portion 39 is a flexible portion. As shown in FIG. 8, the nozzle 6 is formed of a synthetic resin or the like in the shape of a cylinder with a closed bottom at one end, and is provided with a half-perimeter injection hole 5 at the lower portion on one end side. A semicircular positioning portion 7b is provided on the lower half of the nozzle 6 just before the other end. The end of the nozzle 6 opposite to the injection hole 5 is inserted into the connection pipe 37 of the water supply pipe 4, and a hose clip 40 as shown in FIG. 4 and the nozzle 6 are connected. At this time water supply pipe 4
The positioning portion 7a of the nozzle 6 and the positioning portion 7b of the nozzle 6 are vertically matched, so that the nozzle 6 is positioned in the circumferential direction with respect to the water supply pipe 4, and the injection hole 5 of the nozzle 6 is accurately positioned below. . Also, on the outer periphery of the positioning portions 7a and 7b, FIG.
As shown in FIG. 7, a substantially rectangular packing 41 is fitted, and the packing 41 is in contact with the flange 8.

The water supply pipe 4 to which the nozzle 6 is attached is inserted through the communication opening 21 into the toilet water passage 9 as shown in FIG. The seal portion 35 is placed on the upper surface of the edge of the communication opening 21, and the flange portion 36 is locked on the lower surface of the edge of the communication opening 21, whereby the water supply pipe 4 is attached so as not to come off. The seal portion 35 is in contact with the lower surface of the water supply tank 2, and the water supply pipe 4 is connected to the water outlet 20 in a watertight manner. The nozzle 6 is inserted into the communication opening 16, the packing 41 elastically contacts the communication opening 16, and the upper and lower flat surfaces 8 a of the flange 8 abut on the upper and lower surfaces in the toilet water passage 9. Further, since the toilet 1 is made of pottery, the dimensions and the like of A and B shown in FIG. 5 vary, but since the water supply pipe 4 has a flexible portion such as the bellows tube 39, This portion can shrink or absorb dimensional variations. Further, the flat surface 8a of the flange 8 of the water supply pipe 4 is in contact with the upper and lower surfaces of the toilet water passage 9 and the upper and lower flat surfaces 41a of the packing 41.
By contacting the upper surface and the lower surface of the toilet water passage 9, the water supply pipe 4 can be positioned so as not to be twisted, and the nozzle 6 can be attached so that the injection hole 5 of the nozzle 6 faces accurately downward. The packing 41 is connected to the communication opening 16 by the flange 8.
By elastically contacting the edge of the toilet bowl, it is possible to prevent sewage from entering the toilet bowl water passage 9 from the toilet bowl 3 side.
When switching from simple flushing to main flushing, use the water pipe 4
Is formed of a flexible material such as rubber, so that the water supply pipe 4 can be removed from the toilet 1 together with the nozzle 6 by grasping and pulling up the seal portion 35.

[0015]

According to the present invention, as described above, a water supply tank is disposed above the rear of the toilet, and a water supply pipe for supplying water from the water supply tank to the interior of the toilet bowl is inserted into the toilet.
Since the nozzle having the injection hole is provided on the toilet bowl side of the water supply pipe, water can be supplied from the water supply tank through the water supply pipe separate from the toilet bowl and water can be injected from the injection hole of the nozzle, Water can be supplied stably regardless of the finished condition of the pottery toilet, and even when used for simple flushing, the inner surface of the toilet bowl can be sufficiently and sufficiently flushed with water to clean the toilet. It is possible to improve the property and the waste discharge property.

In the invention according to claim 2 of the present invention, since a flexible portion is formed in the water supply pipe, even if there is a dimensional variation in the ceramic toilet, it can be easily and simply absorbed. It can be securely attached. In the invention described in claim 1 of the present invention also connects the nozzle detachably attached to a water supply pipe, the positioning part injection hole of the nozzle to position the nozzle with respect to the water supply pipe so as to face downward Since the water supply pipe and the nozzle are provided separately, the water supply pipe and the nozzle can be easily formed by separately forming the water supply pipe and the nozzle. The nozzle can be positioned and mounted accurately, and the direction of the injection hole of the nozzle can be directed to a predetermined direction.

Further, in the invention according to claim 3 of the present invention, the water supply pipe is provided with a flange having a flat surface which comes into contact with a wall surface in the toilet so that the injection hole of the nozzle faces downward. Therefore, the water supply pipe can be positioned by abutting the flat surface of the flange against the wall surface of the toilet so that the injection hole of the nozzle faces downward. In the invention according to claim 4 of the present invention, a toilet water passage is provided in the toilet to connect the water supply tank with the rear part of the toilet bowl, and the water supply tank is cleaned.
A water outlet is provided in communication with the toilet water passage, and the water supply pipe is inserted into the toilet water passage and one end of the water supply pipe is drained.
Removably attach the water pipe so that it communicates with the water port, and open it.
Supply a float valve that can drain washing water from the drain port when closed.
Installed in a water tank to supply water from a water supply tank via a water supply pipe when using for simple flushing, and a float valve
To reduce the amount of flushing water to be supplied, and remove the water supply pipe during main flushing to supply water from the water supply tank via the toilet passage and extend the time the float valve opens.
To increase the supply of cleaning water .
In the case of simple flushing, a small amount of water can be supplied stably through the water supply pipe, and in the case of main flushing, a large amount of water can be supplied through the toilet passage. The toilet can be used for both purposes, and water can be supplied appropriately both for simple flushing and for main flushing.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing a state of an example of the present invention for use in simple washing.

FIG. 2A is a partially cutaway plan view of the same, and FIG. 2B is a cross-sectional view of the same as viewed from the front.

FIG. 3 is a partially cutaway perspective view of the same water washing specification as the above.

FIG. 4 is a cross-sectional view of the same as seen from the front.

FIG. 5 is a cross-sectional view showing a state where the water supply pipe and the nozzle are attached.

6A and 6B show a water supply pipe and a nozzle, respectively, wherein FIG. 6A is a front view and FIG. 6B is a side view.

FIG. 7 shows the same water supply pipe as the above, (a) is a plan view, (b)
Is a front view, (c) is a side view, and (d) is a cross-sectional view.

8A and 8B show the same nozzle, wherein FIG. 8A is a plan view and FIG.
Is a front view, (c) is a side view, and (d) is a cross-sectional view.

9A and 9B show the same hose clip, wherein FIG. 9A is a plan view, FIG. 9B is a front view, and FIG. 9C is a side view.

FIG. 10 shows the same packing as the above (a) is a plan view,
(B) is a front view.

[Explanation of symbols]

Reference Signs List 1 toilet bowl 2 water supply tank 3 toilet bowl 4 water supply pipe 5 injection hole 6 nozzle 7a positioning section 7b positioning section 8 flange 8a flat surface 9 toilet water passage 20 drain port 29 float valve

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-8-41953 (JP, A) JP-A 55-76286 (JP, U) JP-A 62-27584 (JP, Y2) JP-A 2- 42780 (JP, Y2) Jiko 56-44872 (JP, Y2) Jiko 56-17588 (JP, Y2) (58) Fields investigated (Int. Cl. ⁶ , DB name) E03D 1/38 E03D 5 / 012 E03D 11/10

Claims (4)

(57) [Claims] 1. A water supply tank is disposed above a rear part of a toilet, a water supply pipe for supplying water from the water supply tank to a toilet bowl of the toilet is inserted into the interior of the toilet, and a nozzle having an injection hole is connected to the toilet of the water supply pipe. Provided detachably connected to the bowl side ,
Make sure that the nozzle hole faces downward so that the nozzle hole faces downward.
A flushing device for a toilet bowl, comprising a water supply pipe and a nozzle provided with a positioning portion for positioning the toilet. 2. The toilet flushing device according to claim 1, wherein a flexible portion is formed in the water supply pipe . 3. The toilet flushing system according to claim 1, wherein the water supply pipe is provided with a flange having a flat surface that comes into contact with a wall surface in the toilet so that the injection hole of the nozzle faces downward. apparatus. 4. A toilet water passage for communicating a water supply tank with a rear portion of a toilet bowl in the toilet, and the flush water is supplied to the water supply tank.
The drainage port is provided in communication with the toilet water passage, and the water supply pipe is inserted into the toilet water passage , and one end of the water supply pipe is drained.
Water pipe is detachably attached to open and close to communicate with the mouth
Supply a float valve that can drain washing water from the drain port
Installed in a tank, when using for simple flushing , water is supplied from the water supply tank via a water supply pipe, and a float valve is installed.
Shorten the opening time to reduce the amount of washing water supply, and when using for main flushing, remove the water supply pipe to supply water from the water supply tank through the toilet water passage and increase the time the float valve opens.
The toilet flushing device according to any one of claims 1 to 3 , wherein the supply amount of the flushing water is increased .