JP2001271398A - Water supply equipment for washing toilet bowl - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the structure of water supply equipment and to regulate the timing of closure of a drain valve easily by a simple structure. SOLUTION: The water supply equipment 10 is comprised of the drain valve 14 closing up an outflow port 13 of a tank 11, a first hinge 16 supporting the drain valve 14 at the bottom of the tank 11 so that the valve can swing vertically, a first chain 17 opening the drain valve 14 forcibly, a valve disk raising member 21 inserted under the drain valve 14, a second hinge 22 supporting the valve disk raising member 21 at the bottom of the tank so that the member can swing vertically, in such a manner that it does not obstruct a closing action of the drain valve 14, an arm 23 extended upward from the base part of the valve disk raising member 21 beyond the second hinge 22, a water vessel 24 fixed to the upper part of the arm 23 and having the upper side opened to a regular water surface at a water level inside the tank 11, a small hole made in the bottom of the water vessel and a second chain 27 opening the valve disk raising member 21 forcibly.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet flushing water supply device for controlling the amount of flush water supplied to a toilet.

[0002]

2. Description of the Related Art As a toilet flushing water supply device for supplying flush water to a toilet, for example, Japanese Patent Laid-Open Publication No. Hei 7-11680 "Toilet flush tank device" is known. FIG. 2 of the above publication describes a toilet flushing tank device in which a drain port 32 is provided at the bottom of the tank body 1 and the drain port 32 is opened and closed by a drain valve element 31 attached to a lower portion of the overflow pipe 15.

[0003] Floaters 7, 7 are attached to the overflow pipe 15 through connecting members 13, 13, and the floats 7, 7 are housed in the control vessel 5, and are attached to the side walls of the control vessel 5. An outlet 8 is provided, and the outlet 8 is opened and closed by an on-off valve cover (no reference numeral).

[0004]

In the above toilet bowl washing tank device, the control vessel 5 is mounted on the bottom of the tank body 1, the floats 7, 7 are mounted on the overflow pipe 15, and the side face of the control vessel 5 is mounted. Since the on-off valve lid is attached, the structure for supplying water to the toilet becomes complicated, the number of parts increases, and the manufacturing cost increases.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a flushing water supply apparatus for adjusting the amount of water supplied to a toilet with a simple structure.

[0006]

According to one aspect of the present invention, a drain valve for closing a water outlet of a tank, a first hinge for supporting the drain valve on the bottom of the tank so that the drain valve can swing up and down, A first pull cord for forcibly opening the drain valve, a valve body raising member inserted under the drain valve, and a valve body raising member capable of swinging up and down so as not to hinder the closing action of the drain valve. A second hinge supported on the bottom, an arm extending upward from the base of the valve element raising member beyond the second hinge, and water fixed to an upper portion of the arm and having an upper surface open to a regular water surface at a water level in the tank. A container, a small hole formed in the bottom of the water container, and a second forcibly opening the valve body raising member.
When the first drawstring is pulled, the drain valve is opened and then closed, and a certain amount of water flows during this time. When the second drawstring is pulled, the drain valve is actuated by the action of the valve body raising member. The drain valve opens, preventing the closing action of the drain valve by the couple due to the water container and the water accumulated at the bottom, and closing the drain valve as the couple decreases as the accumulated water decreases. And

[0007] A certain amount of water flows by pulling the first drawstring,
By pulling the second drawstring, the closing action of the drain valve is prevented and the amount of flowing water is increased. As described above, the amount of water to be flowed is determined by the drain valve, the first hinge, the valve element raising member, the second hinge, the arm,
It can be adjusted with a water container, and the structure of the water supply device can be simplified. Therefore, the manufacturing cost of the water supply device can be reduced.

In particular, by flowing the water stored in the water container through the small hole, the closing action of the drain valve can be prevented for a predetermined time, and the closing timing of the drain valve can be easily adjusted with a simple structure. .

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings should be viewed in the direction of reference numerals. FIG. 1 is a cross-sectional view of a water supply device for flushing a toilet according to the present invention, and a water supply device for flushing a toilet (hereinafter, “water supply device”).
It is written. 10) a tank 11, a drain pipe 12 attached to the bottom of the tank 11, and a water outlet 13 of the drain pipe 12.
Drain valve 14 that opens and closes the drain valve 14 and the outlet 13
A sealing member 15 for sealing between the
Hinge 16 that supports the drain valve 14 so as to be able to swing up and down, a first chain 17 as a first drawstring for forcibly opening the drain valve 14, and an annular valve body inserted under the flange portion 18 of the drain valve 14. Raising member 21 and this valve element raising member 2
Hinge 2 for supporting the upper and lower arms 1 so as to be able to swing up and down, an arm 23 extending upward from the second hinge 22, a water container 24 fixed on the upper portion of the arm 23, and a water container 2
4 and the valve raising member 21 are attached to the drain valve 1.
4 and a second chain 27 as a second drawstring attached to the edge projecting portion 26 of the valve raising member 18 for forcibly raising the water.
It is a device for supplying.

The drain pipe 12 is connected to a toilet (not shown). The drain valve 14 includes a base portion 31 and a float 32 attached to a lower portion of the base portion 31 to obtain buoyancy. The first chain 17 is connected to an operation handle (not shown) mounted on the upper part of the tank 11.

The valve body raising member 21, the second hinge 22, the arm 23, and the water container 24 are integrally formed. Here, 33 is the first hinge 16 and the second hinge 22
A common shaft for the tank 11 for mounting the shaft 33
Is a hinge attachment portion protruding from the bottom of the hinge.

The operation of the water supply device 10 described above will be described below. FIGS. 2A and 2B are first operation diagrams illustrating the operation of the water supply device according to the present invention. In (a), the drainage valve 14 is closed, the valve element raising member 21 contacts the bottom of the tank 11, and the arm 23 is tilted counterclockwise by an angle θ1 with respect to the vertical line VL. To pull up the second chain 27 as shown by the arrow.

As a result, in (b), both the valve element raising member 21 and the drain valve 14 attached to the second chain 27 are forcibly pulled up. As a result, the drain valve 14 is opened, and the arm 23 rises to a state where the arm 23 is tilted clockwise by the angle θ2 with respect to the vertical line VL, and the water container 24 is substantially horizontal, and the drain valve 14 and the valve body raising member 21 , Arm 23 and water container 24 are stationary. At this time, water container 2
The inside of 4 is in a state where the washing water 28 is accumulated.

FIGS. 3A and 3B are second operation diagrams for explaining the operation of the drainage device according to the present invention. In (a), since the washing water 28 flows out from the water outlet 13 as shown by the arrow, the water level of the washing water 28 gradually decreases. At this time, the washing water 28 accumulated in the water container 24 flows out from the small holes 25 little by little, so that the weight including the arm 23, the water container 24 and the accumulated washing water 28 gradually decreases.

In (b), the washing water 2 in the water container 24
At the time when the amount of 8 becomes a predetermined amount, the balance between the combined weight of the drain valve 14 and the valve body raising member 21 and the weight of the arm 23, the water container 24, and the accumulated washing water 28 changes. That is, the weight of the arm 23, the water container 24 and the accumulated washing water 28 is reduced, and the drain valve 14 falls down, closing the water outlet 13.

In this case, since the time from opening to closing of the drain valve 14 is long, the washing water 28 in the tank 11 almost flows out. By making the size of the small holes 25 of the water container 24 different, it is possible to make the flow amount of the cleaning water 28 in the water container 24 different per unit time, and to adjust the timing at which the drain valve 14 closes. Can be.

FIGS. 4A and 4B are third operation diagrams for explaining the operation of the drainage device according to the present invention. In (a), the drain valve 14 is closed and the valve element raising member 21 is
And the arm 23 has an angle θ1 with respect to the vertical line VL.
Only from the state where it is tilted counterclockwise, the operation handle (not shown) is turned to pull up the first chain 17 as shown by the arrow.

As a result, in FIG.
Opens to a position inclined counterclockwise by an angle θ3 with respect to the vertical line VL, and the washing water 28
Flows out of Note that θ3> θ1. At this time, the drain valve 14 has an upward buoyancy F1 acting on the float 32.
And a downward force F2 that combines the force of the water flow of the washing water 28 toward the water outlet 13 and the gravity.

FIG. 5 is a fourth operation diagram for explaining the operation of the drainage device according to the present invention. The drain valve 14 is gradually closed by the combined force of the forces F1 and F2 acting on the drain valve 14 described in FIG. In this case, since the time from opening to closing of the drain valve 14 is short, a predetermined amount of washing water 2 is stored in the tank 11.
8 remains.

As described above with reference to FIG. 1, the present invention
A drain valve 14 for closing the water outlet 13 of the tank 11, a first hinge 16 for supporting the drain valve 14 at the bottom of the tank 11 so as to be able to swing up and down, a first chain 17 forcibly opening the drain valve 14, and a drain valve 14, a second hinge 22 for supporting the valve body raising member 21 at the bottom of the tank so as to be able to swing up and down without obstructing the closing action of the drain valve 14, An arm 23 extending upward from the base of the valve element raising member 21 beyond the hinge 22;
A water container 24 fixed to the upper portion of the arm 23 and having an upper surface open to the normal water level in the tank 11, a small hole 25 formed in the bottom of the water container 24, and the valve body raising member 21 are forcibly attached. When the first chain 17 is pulled, the drain valve 14 is opened and then closed. During this time, a certain amount of washing water 28 flows and the second chain 2 is opened.
7, the drain valve 14 is opened by the action of the valve body raising member 21, and the water container 24 and the washing water 28 collected at the bottom are opened.
The closing action of the drain valve 14 is hindered by the couple caused by the force, and the drain valve 14 is closed as the couple decreases as the accumulated washing water 28 decreases.

By pulling the first chain 17, a certain amount of washing water 28 flows, and by pulling the second chain 27, the drain valve 1
4, the amount of the flushing water 28 to be flown can be increased, and thus the amount of the flushing water 28 to be flushed can be increased by the drain valve 14, the first hinge 16, the valve element raising member 21, and the second hinge. 22, can be adjusted with arm 23, water container 24,
The structure of the water supply device 10 for supplying water to the toilet can be simplified. Therefore, the manufacturing cost of the water supply device 10 can be reduced.

In particular, by flushing the washing water 28 stored in the water container 24 from the small hole 25, the closing action of the drain valve 14 can be prevented for a predetermined time, and the drain valve 1 can be easily formed with a simple structure.
4 can be adjusted. In addition, by adjusting the closing timing of the drain valve 14, an optimal amount of flush water for flushing the toilet can be set,
Water can be saved while ensuring the necessary cleaning power.

In the present embodiment shown in FIG. 1, the valve element raising member 21 is formed in an annular shape.
The shape may be a letter shape or a Y shape. In short, it is only necessary that the drain valve 14 can be raised. Further, although the small hole 25 of the water container 24 is opened substantially at the center of the bottom of the water container 24, the present invention is not limited to this, and it is also possible to open the bottom of the water container 24 on the side closer to the arm 23 or farther from the arm 23. Good.

Further, the drain valve 14 may not have the float 32. Still further, the first and second drawstrings of the first embodiment may be wires, yarns, resin cords, or rods instead of the chains of the embodiment.

[0025]

According to the present invention, the following effects are exhibited by the above configuration. The water supply device for flushing a toilet bowl according to claim 1, wherein a drain valve for closing a water outlet of the tank, a first hinge for supporting the drain valve at the bottom of the tank so that the drain valve can swing up and down, and a first pull forcibly opening the drain valve. A string, a valve element raising member inserted under the drain valve, a second hinge for supporting the valve element raising member on the bottom of the tank so as to be able to swing up and down without hindering the closing action of the drain valve; (2) An arm extending upward from the base of the valve element raising member beyond the hinge, a water container fixed to the upper portion of the arm and having an upper surface open to the normal water level of the water level in the tank, and an opening at the bottom of the water container. And a second pull cord for forcibly opening the valve element raising member.
By pulling the drawstring, a certain amount of water can be flown, and by pulling the second drawstring, the closing action of the drain valve can be prevented to increase the amount of flowing water. The adjustment can be made with the hinge, the valve element raising member, the second hinge, the arm, and the water container, and the structure of the water supply device can be simplified. Therefore, the manufacturing cost of the water supply device can be reduced.

In particular, by flowing the water stored in the water container through the small hole, the closing action of the drain valve can be prevented for a predetermined time, and the closing timing of the drain valve can be easily adjusted with a simple structure. .

[Brief description of the drawings]

FIG. 1 is a sectional view of a water supply device for flushing a toilet bowl according to the present invention.

FIG. 2 is a first operation diagram illustrating the operation of the water supply device according to the present invention.

FIG. 3 is a second operation diagram illustrating the operation of the drainage device according to the present invention.

FIG. 4 is a third operation diagram illustrating the operation of the drainage device according to the present invention.

FIG. 5 is a fourth operational diagram illustrating the operation of the drainage device according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Toilet flush water supply device, 11 ... Tank, 13 ... Water outlet, 16 ... 1st hinge, 17 ... 1st drawstring (1st chain), 21 ... Valve body raising member, 22 ... 2nd hinge, 23 ...
Arm, 24: water container, 25: small hole, 27: second drawstring (second chain), 28: water (wash water).

Claims (1)

[Claims] 1. A drain valve for closing a water outlet of a tank, a first hinge for supporting the drain valve at the bottom of the tank so as to be able to swing up and down, a first drawstring for forcibly opening the drain valve, and a drain valve. A valve body raising member inserted downward, a second hinge for supporting the valve body raising member on the bottom of the tank so as to be able to swing up and down without obstructing the closing action of the drain valve, and a valve beyond the second hinge An arm extending upward from the base of the body-raising member, a water container fixed to the upper portion of the arm and having an upper surface open to the regular water surface of the water level in the tank, a small hole opened at the bottom of the water container, Second forcibly opening the valve lifting member
When the first pull cord is pulled, the drain valve opens and then closes, and during this time, a certain amount of water flows. When the second pull cord is pulled, the action of the valve body raising member causes The drain valve opens, preventing the closing action of the drain valve by the couple due to the water container and the water accumulated at the bottom, and closing the drain valve as the couple decreases as the accumulated water decreases. Toilet flush water supply device.