JPH11324059A - Tank with flow valve - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the need for an opening for installing a flow valve to a low tank, and to prevent the leakage of water from the opening while supplying a stool with a sufficient quantity of flowing water. SOLUTION: A float valve device 42 is mounted on the bottom sections of an outer tank 32 and an inner tank 34, and the flow valve 60 is arranged to an inner tank 36 in the inner tank 34. A remote handle 70 is set up to the upper section of the low tank, and the flow valve 60 is opened and closed by forward moving and retreating the grip of the remote handle 70. When the flow valve 60 is opened, water in the inner tank 36 is flowed out continuously from an outflow cylinder 54 through a hose 62. The handle 70 totally opens or totally closes the flow valve 60.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tank for supplying flush water to a toilet bowl, and more particularly to a tank for supplying a small amount of water continuously to a toilet bowl to prevent freezing of trapped water and the like. About the tank. Specifically, the present invention
The present invention relates to a tank in which an inner tank is provided in a tank and a floating body such as a ball tap floating ball is arranged in the inner tank.

[0002]

2. Description of the Related Art Japanese Patent Application Laid-Open No. 6-185100 describes a low tank in which an inner tank is provided in a tank, and a floating body such as a floating ball of a ball tap is arranged in the inner tank.

[0003] The inner tank is separated from a water storage chamber in the tank by a partition. The inside of the inner tank and the water storage chamber communicate with each other by the small holes provided in the partition. The small hole portion may be provided with a check valve that allows only the flow from the inner tank to the water storage chamber.

In the low tank with the inner tank, when the float valve is opened, most of the water in the water storage chamber flows out to the toilet bowl, and then the water in the inner tank flows out to the water storage chamber through the small hole. Then the ball tap is opened. In other words, the ball tap does not open until most of the water in the reservoir has drained into the toilet. When most of the water in the water storage chamber flows out, the float valve is closed, so that makeup water newly injected from the ball tap thereafter accumulates in the tank and does not flow out to the toilet. For this reason, the water consumption is reduced as compared with the conventional low tank in which even the initial makeup water flows out to the toilet.

[0005] In a toilet bowl in a cold region, a flow valve is provided in a tank such as a low tank, and water is supplied little by little to the toilet bowl to prevent freezing of trap water.

FIG. 6 is a sectional perspective view of a conventional low tank provided with the flow valve.

A main body 16 of the float valve device 14 is fixed to an opening 12 on the bottom surface of the low tank 10 by a nut 18. This float valve device 14
Is provided with a valve element 20 which is pulled up via a chain or the like by a lever handle (not shown) at the upper portion of the valve. The main body 16 has a seat portion on which the valve body 20 sits on its upper surface. From the main body 16 to the overflow pipe 2
2 are erected. Further, a hose 24 connected to the main body 16 is connected to a flow valve 26 attached to a side wall of the low tank 10. By turning the handle 28 of the flow valve 26 to open the valve, the water in the low tank 10 flows into the main body 16 from the inflow port 30 of the flow valve 26 through the hose 24, and continuously flows toward the toilet. It is supplied little by little (for example, 100 liter / Hr).

The flow valve 26 includes a substantially cylindrical casing, a spindle (not shown) inserted in the casing, and the handle 28 mounted on the spindle.
Etc. The flow valve 26 is inserted into an opening penetrating through the side surface of the raw tank 10, and is fixed to the raw tank 10 by tightening a nut via a packing.

A female screw is provided on the inner peripheral surface of the casing,
A male screw on the outer peripheral surface of the spindle is meshed with the female screw. By turning the handle 28, the spindle advances and retreats in the direction of the axis thereof, and communication between the inlet 30 and the hose 24 is established and cut off. .

[0010]

When a flow valve is provided in a tank with an inner tank and a check valve is provided in the small hole, when a malfunction occurs in the check valve, When foreign matter is clogged in the small holes, the water level in the inner tank remains high even though the water level in the tank has dropped due to the outflow of the flowing water, and the ball tap may not be opened and the supply of the flowing water may be insufficient. There is.

A first object of the present invention is to provide a tank with a flow valve that can always supply a sufficient amount of flowing water even in a tank with an inner tank having a check valve at the outlet. .

The conventional flow valve 26 shown in FIG. 6 receives the water in the low tank 10 from the inflow port 30 and
Because it flows to 4, it is naturally located below the full water level. Therefore, since the low tank opening for mounting the flow valve 26 is always located below the water surface, there is a risk that water will leak if the packing is deteriorated or the nut is loosened.

It is a second object of the present invention to provide a tank with a flow valve which can reliably prevent such water leakage from the low tank.

In the above-mentioned conventional flow valve, since the flow rate gradually increases when the handle 28 is turned in the opening direction, the user stops the handle 28 in an attempt to save the flowing water. It may stop at an odd opening position. In such a case, the amount of flowing water becomes as small as, for example, about 30 L / Hr, and it may not be possible to prevent the toilet from being frozen.

According to the present invention, there is provided a tank with a flow valve capable of reliably preventing freezing of a toilet bowl without performing a halfway open state, in which the flow valve performs only two operations of full opening and full closing. The third purpose is to provide.

[0016]

According to a first aspect of the present invention, there is provided a tank with a flow valve provided with a float valve on a bottom portion, a ball tap for pouring water into the tank, and provided in the tank. A tank having an inner tank in which the floating body of the ball tap is disposed, and a flow valve for taking in water from the inner tank and supplying flowing water to a secondary side of the float valve. is there.

In such a tank with a flow valve, since the flowing water is taken from the inner tank, when the water level in the inner tank decreases with the intake of the flowing water, the ball tap is opened and the ball tap is opened. Water is replenished. As a result, a sufficient amount of flowing water is always supplied to the toilet.

According to a second aspect of the invention, there is provided a tank with a flow valve, wherein the flow valve is disposed only inside the tank, and a remote control member for remotely controlling the flow valve is provided. .

In such a tank with a flow valve, the flow valve is disposed only in the tank, and since there is no opening for mounting the flow valve in the tank wall, there is no possibility of water leakage from the opening. Become.

The tank with the flow valve according to the third aspect is the second aspect.
In the above, the flow valve, a seat portion provided in the water channel,
A valve body that is seated on the seat portion; and a spring that urges the valve body in a seating direction. The remote control presses the valve body and separates the cable from the seat portion, and advances the cable. Cable stopping means for stopping only at two positions, a position and a retracted position.

In such a tank with a flow valve, only two operations, that is, a fully closed state in which the valve body is seated on the seat portion and a fully opened state in which the valve body is separated from the seat portion by a predetermined distance, can be performed. An odd half-open state is prevented. Therefore, when the flow valve is opened to prevent freezing, the flow valve is always fully opened, and freezing is reliably prevented.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a longitudinal sectional view of a low tank with a flow valve according to an embodiment, FIG. 2 is a sectional view taken along the line II-II of FIG. 1, FIG. 3 is a sectional view of a flow valve used in this embodiment, FIG. 4 is a side view of a remote handle used in this embodiment, and FIG. 5 is a sectional view of the remote handle.

As shown in FIG. 1, an inner tank 34 made of synthetic resin is arranged in an outer tank 32 made of ceramics.
An inner tank 36 is provided in the inner tank 34. An outflow pipe 38 extends from the bottom of the inner tank 36 to the lower part of the inner tank 34.

The outflow pipe 38 is provided with a check valve 40 that allows only the flow in the outflow direction from the inner tank 36.

Outer tank 32 and inner tank 3
A float valve device 42 is installed at the bottom of the nozzle 4, and an overflow pipe 44 rises from the float valve device 42. A float valve 48 is seated on the seat portion 46 of the float valve device 42. A chain 50 is connected to the float valve 48. By turning a washing handle (not shown), the float valve 48 is pulled up through the chain 50, and the water in the low tank 40 flows out to the toilet through the outflow cylinder 54. It is configured as follows.

A ball tap 56 is attached to the upper part of the outer tank 32. The floating ball (floating body) 58 of the ball tap 56 is arranged in the inner tank 36. When the floating ball 58 descends, the ball tap 56 is opened, and when the floating ball 58 rises, the ball tap 56 is closed. The outlet 60 of the ball tap 56 is disposed so as to inject water into the inner tank 34 outside the inner tank 36.

A flow valve 60 is connected via a hose 62 to the downstream side (secondary side) of the seat portion 46 of the float valve device 42. The flow valve 60 is provided at the bottom of the inner tank 36.

A remote handle 70 for remotely controlling the flow valve 60 is provided on the upper part of the outer tank 10. The remote handle 70 and the flow valve 60 are connected by a push-pull cable 72.

The structure of the flow valve 60 will be described with reference to FIG.

The flow valve 60 includes a valve body 80,
A water passage 82 provided in the valve body 80;
The seat 2 includes a seat portion 84, a valve body 86 seated on the seat portion 84, and a return spring 88 for urging the valve body 86 in a seating direction. Note that the valve body 86 is seated on the seat portion 84 from the downstream side of the water channel 82.

The valve body 80 includes an upper body 80
a and a lower body 80b, and the lower body 80b is provided with an elastic piece 80c.
When the valve body 80 is inserted into the mounting opening 90 at the bottom of the inner tank 36, the elastic piece 80 c is elastically deformed toward the center, and expands when the elastic piece 80 c passes through the mounting hole 90, and the mounting opening 90 is opened. The flow valve 60 is fixed to the opening 90 so as not to be able to come out.

The push-pull cable 72 includes an outer cable 92 and an inner cable 94 inserted into the outer cable 92. A knocker 96 is provided at a tip of the inner cable 94. When the inner cable 94 moves forward, the knocker 96 moves the valve body 8
6 is depressed to separate it from the seat portion 84. Code 98
Indicates a cable stopper for preventing the inner cable 94 from coming off.

Incidentally, one end of the push-pull cable 72 is connected to the upper end of the valve body 80 by a connection fitting 100.

Next, the configuration of the remote handle 70 will be described with reference to FIG.

The remote handle 70 has a substantially cylindrical column 1 in which the inner cable 94 is inserted.
5, a shaft 104 disposed in the column 102 and connected to the end of the inner cable 94, a stopper 106 formed at the end of the shaft 104, and the stopper 106 attached to the right in FIG. The return spring 108 which is urged, and the convex portion 1 which is protruded from a part of the stopper 106.
10 and the column 10 so that the projection 110 can pass through.
A groove 112 extending in the longitudinal direction of the shaft 1 and the shaft 1
04 is provided with a grip 116 fixed thereto. A fixing column 120 having a flange 118 is screwed around the outer periphery of the column 102, and the remote handle 70 is fixed to the upper portion of the low tank 40 by tightening a lock nut 122 into the column 120.

An outer cable 92 is connected to the end of the column 102 by a connection fitting 124.

When the shaft 104 is in the state shown in the drawing, the convex portion 110 matches the groove 112 and can pass through the groove 112. When the shaft 104 is rotated by 90 ° about the axis of the shaft 104 from the state shown in the figure, the protrusion 110 does not match the groove 112 and cannot enter the groove 112, and is shown in FIG. The grip pushing state is maintained.

The operation of the low tank having the flow valve 60 constructed as described above will now be described.

As described above, by turning the washing handle, the float valve 48 is raised, and the inner tank 3
The water in 4 flows out toward the toilet through the outflow tube 54. As the water in the inner tank 34 flows out, the water level in the inner tank 36 also decreases. However, since the water in the inner tank 36 flows into the inner tank 34 through the small-diameter outflow pipe 38, Even if most of the water in the tank 34 flows out, a considerable amount of water remains in the inner tank 36 and the ball tap 56
Is in the closed state.

When most of the water in the inner tank 34 flows out, the float valve 48 is seated on the seat portion 46 and the float valve device is closed, and the water level in the inner tank 36 decreases, the floating of the ball tap 56 occurs. The ball 58 descends and the ball tap 58
Is opened, and water is supplied into the inner tank 34. Since the outflow pipe 38 is provided with the check valve 40, only the water level in the inner tank 34 rises by this water supply.
The water level in the inner tank 34 is
a, the water in the inner tank 34 overflows the upper edge 36a and flows into the inner tank 36, and the water level in the inner tank 36 rises rapidly. When the water level in the inner tank 36 rises, the floating ball 58 rises, and the ball tap 56 closes.

When water (flowing water) is continuously flowed from the low tank to the toilet little by little to prevent freezing of trap water in the toilet, the grip 116 of the remote handle 70 is pushed in as shown in FIG. State. Then, knocker 96 pushes down valve body 86 via inner cable 94, and seat portion 84 and valve body 86 are separated from each other. Thereby, the water in the inner tank 36 flows out to the hose 62 via the water channel 82, and the water continuously flows out to the toilet via the float valve device 42.

When water flows out of the inner tank 36 and the water level in the inner tank 36 drops, the ball tap 58 opens, and water overflows from the inner tank 34 into the inner tank 36 and flows in.
Water is supplied into the inner tank 36. In this anti-freezing operation state, the valve element 86 of the flow valve 60 is always separated from the seat portion 84 by a predetermined distance (that is, the stroke of the grip 116). A sufficient amount of water will be supplied to the toilet.

To stop the antifreeze operation, the grip 116 is turned and the grip 116 is pulled out as shown in FIG. When the convex portion 110 is aligned with the groove 112, the grip 116 moves rightward in FIG. 4A by the urging force of the return spring 108, the inner cable 94 pulls up the knocker 96, and the valve body 86 moves to the seat portion. Sit at 84.

As described above, in the low tank according to this embodiment, the flowing water is taken from the flow valve 60 provided at the bottom of the inner tank 36, and the floating ball 58 of the ball tap 56 is placed in the inner tank 36. Because of the arrangement, water is always supplied from the ball tap to the specified height in the inner tank 36, and a sufficient amount of flowing water can be reliably supplied.

The flow valve 60 is disposed only in the low tank 40, and the low tank 40 does not have an opening for mounting the flow valve, and no water leaks from this opening.

Further, in this embodiment, as described above, the valve element 86 of the flow valve 60 is in a fully closed state in which the valve element 86 is seated on the seat portion 84 and in a fully opened state in which the valve body 86 is separated from the seat portion 84 by a predetermined distance. It takes only two positions, and can always supply a specified amount of water to the toilet when performing antifreeze operation.

In the above embodiment, the remote handle 70 is configured to switch the forward and backward movements of the inner cable 94 by turning the grip 116. However, when the operation knob is pushed once, the knob is turned. The inner cable 94 is locked at the pushed-in position, and when the knob is further pushed one more time, the lock is released and the knob is pushed out. The inner cable 94 is switched between forward and backward using a known knob locking mechanism. You may do it.

[0048]

As described above, according to the present invention, when water is supplied from a flow valve to a toilet to perform an antifreeze operation of the toilet,
It is possible to always supply a specified amount of flowing water to the toilet, and to reliably prevent freezing.

Further, according to the present invention, there is no opening for mounting the flow valve on the outer surface of the tank, and there is no water leakage from the opening.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a raw tank according to an embodiment.

FIG. 2 is a cross-sectional view taken along the line II-II of FIG.

FIG. 3 is a sectional view of the flow valve of FIG. 1;

FIG. 4 is a side view of the remote handle of FIG. 1;

FIG. 5 is a sectional view of the remote handle of FIG. 1;

FIG. 6 is a perspective view showing a conventional example.

[Explanation of symbols]

 Reference Signs List 32 outer tank 34 inner tank 36 inner tank 38 outflow pipe 40 check valve 42 float valve device 44 overflow pipe 46 seat portion of float valve device 48 float valve 56 ball tap 58 floating ball (floating body) 60 flow valve 62 hose 70 remote handle 72 Push-pull cable 82 Waterway 84 Seat part 86 Valve body 88 Return spring 92 Outer cable 94 Inner cable 116 Grip

Claims (3)

[Claims] 1. A tank comprising: a tank provided with a float valve at a bottom portion; a ball tap for pouring water into the tank; and an inner tank provided in the tank and having a floating body of the ball tap disposed therein. A tank with a flow valve, comprising: a flow valve that takes in water from the inner tank and supplies flowing water to a secondary side of the float valve. 2. The tank with a flow valve according to claim 1, wherein the flow valve is disposed only inside the tank, and a remote control member for remotely operating the flow valve is provided. 3. The flow valve according to claim 2, wherein the flow valve includes a seat portion provided in the water channel, a valve body seated on the seat portion,
A spring for urging the valve body in a seating direction, wherein the remote operation stops only at two positions, a cable for pressing the valve body to separate from the seat portion, and the cable at a forward position and a retracted position. And a cable stopping means for causing the tank to flow.