JPH10230997A - Water storage tank for emergency - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily detect a leaking water which leaks from a water storage tank for emergency little by little by a method wherein the water storage tank is housed in an external container which is watertightly formed of a heat insulating material, and a water detecting device is arranged between the external container and the water storage tank. SOLUTION: A water detecting device 5 which is located between an external container body part 55 and the body part 4 of a water storage tank 1 is formed in such a manner that in the larger diameter part of a floating housing cylinder 7 of which the lower part is formed to have a larger diameter, a float 6 is housed, and a connecting rod 9 connected to the float 6, is inserted in the smaller diameter part of the floating housing cylinder 7, and a display utensil 8 which is provided at the upper end of the connecting rod 9 can be seen from the outside at a position where the float 6 has risen. Therefore, when water which leaks from a damage of the water storage tank 1, or water which leaks out from the insertion part of a pipe making water flow in/out from the water storage tank 1, is accumulated in a space between the external container bottom part 51 of the external container 50 and the bottom part 2 of the water storage tank 1, the float 6 rises, and the display utensil 8 is exposed to the top of the water storage tank for emergency. Therefore, a water leakage from the water storage tank 1 can be immediately found.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a countermeasure against water leakage in an emergency water storage tank.

[0002]

2. Description of the Related Art An emergency water storage tank in which a water storage tank is accommodated in a housing having heat insulating properties is described in Japanese Utility Model Laid-Open No. 3-43495 filed by the present applicant earlier.

[0003]

The emergency water storage tank described in the above publication may have small damage to the water storage tank due to improper handling, deterioration over time, or the like.

[0004] Then, the water in the water storage tank leaks from the wound. In addition, water may leak to the outside of the water storage tank from a portion where a pipe or a hose through which water flows in and out of the water storage tank is inserted into the water storage tank.

[0005] When the amount of water leaking as described above is small, it is difficult to find the leak, and the leak is overlooked. As a result, the surroundings are soiled by water leakage, and invasion of various bacteria and the like into the water storage tank is also allowed. SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to make it possible to easily find water leaking little by little from an emergency water storage tank.

[0006]

A first aspect of the present invention is a water tank 1
Is provided with an inflow port 24 connected to a water tap 23, and the pressure of the water flowing into the water tank 1 is changed by the pressure of the water flowing into the water tank 1.
In an emergency water storage tank provided with an outlet 25 for allowing water to flow out of the water storage tank 1 and a spout 46 capable of discharging water in the water storage tank 1 when the water supply is cut off, the water storage tank 1 is formed watertight with a heat insulating material. Housed in the outer container 50, between the outer container 50 and the water storage tank 1,
An emergency water storage tank was installed with the water detection device 5 installed.

In the second invention, an emergency water tank is provided between the outer container 50 of the first invention and the water tank 1 by providing a water conduit 53 connected to the water detecting device 5. A third aspect of the present invention is the second aspect, in which the water detection device 5 is installed outside the outer container 50 in place of the configuration in which the water detection device 5 is installed between the outer container 50 and the water storage tank 1. It was a water tank.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 3 are diagrams for explaining one embodiment of the present invention.

The emergency water storage tank according to this embodiment has a water storage tank 1 formed of a foam of polypropylene, which is a watertight material, and has a bottom 2 and a top 3. The water reservoir 1 is provided with an inlet 24 connected to a water tap 23 connected to a water supply, which is opened at an upper part in the water reservoir 1, and flows into the water reservoir 1 from the inlet 24. Due to the pressure of the generated water, the water in the water tank 1 is
An outlet 25 is provided for flowing out to the outside above the water storage tank 1.

Further, at the lower part of the water storage tank 1, there is provided a pouring tap 46 capable of discharging water in the water storage tank 1, and the water in the water storage tank 1 is provided in the water storage tank 1. Pump type discharging device 45 that can absorb from the lower part of the tank and discharge it from the upper part of the water tank.
Is provided.

The water tank 1 is provided with a second inflow port 38 connected to a second water tap 37 connected to the water supply so as to be opened at an upper part in the water tank 1. And this second
The inlet 38 is provided with a second check valve 39 that is closed by a float 40 that floats with water filled in the water storage tank 1.

Further, an air passage 30 communicating with the outside is provided at an upper portion in the water storage tank 1.
Is a float 32 floating by the water filled in the water storage tank 1.
There is provided a check valve 31 which is closed at the end.

The water storage tank 1 is housed in an outer container 50 formed of a heat insulating material made of polystyrene foam. The outer container 50 further includes an outer container bottom 51 and an outer container trunk 5.
5 is formed in one body to be watertight.

The upper portion of the outer container 50 is covered with an outer container top 52 formed of a polystyrene foam heat insulating material. The outer container 50 is housed in a veneer case 58 having a bottom plate 59.

As shown in the plan view of FIG. 3, the emergency water storage tank is formed so that the width in the lateral direction is substantially twice the thickness in the front-rear direction. Then, the outside of the bottom portion 2, the top portion 3, and the center portion of the body portion 4 of the water storage tank 1 is surrounded by a swelling preventing device 15 including a lower end connecting portion 18, an upper end connecting portion 17 and a columnar portion 16.

A water detecting device 5 is provided between the outer container body 55 and the body 4 of the water storage tank 1. The water detecting device 5 accommodates the float 6 in a large-diameter portion of a floating accommodation tube 7 having a lower portion formed with a large diameter, and connects a connecting rod 9 connected to the float 6 to the small-diameter portion of the floating accommodation tube 7. Into the float 6
The indicator 8 provided at the upper end of the connecting rod 9 at the position where
Are formed so as to be visible from the outside.

However, the water detecting device 5 can be formed so as to convert the vertical movement of the float 6 into an electric signal. The floating container 7 that houses the floating member 6 is mounted as follows. That is, the tension rod 11 is attached to the floating accommodating cylinder 7 with the attachment band 10,
The contact plate 12 provided at the tip of the strut 11 is brought into contact with the columnar portion 16 of the swelling prevention device 15, and the floating container 7 is pressed against the inside of the outer container 50 and the outside of the water storage tank 1. , And is formed so as to hold the floating container 7 vertically.

Then, on the upper surface of the outer container bottom 51,
From the position of the lower part of the floating container 7,
A water conduit 53 reaching the opposite side is provided. In the emergency water tank of this embodiment, the second water tap 37 is always open, and tap water flows into the water tank 1 from the second water tap 37 through the second inlet 38. .

When the inflowing water fills the water storage tank 1, the float 40 floats up, closes the second check valve 39, and the inflow of water stops. When the water tap 23 is opened in this state, the water flows into the water storage tank 1 from the inflow port 24.

Then, the water in the water storage tank 1 flows out of the outlet 25 by the pressure of the water flowing from the inlet 24. Therefore, when the water is not cut off, the water is caused to flow into the water storage tank 1 from the inlet 24 at the upper part of the water storage tank 1, and the water at the lower part of the water storage tank 1 is caused to flow out from the outlet 25.

When the water in the water storage tank 1 is used when the water supply is cut off, the pump-type injection device 45 or the injection tap 46 is used to supply water to the water storage tank 1.
Pour out the water inside. Then, the water level in the water storage tank 1 decreases, the check valve 31 opens, and air flows into the water storage tank 1.

Then, the water tank 1 is damaged, and water leaking from the wound or a pipe for flowing water in and out of the water tank 1 is formed.
The water leaked from the insertion portion into the water storage tank 1 is collected between the outer container bottom 51 of the outer container 50 and the bottom 2 of the water storage tank 1.

Then, the float 6 rises and the indicator 8 is exposed at the upper part of the emergency water tank, so that it is immediately found that the water tank 1 is leaking water, and measures for preventing water leakage are immediately taken. I can do it.

The water conduit 53 prevents the leakage from staying in a place where the floating housing 7 is not provided. FIG. 4 is a diagram for explaining an emergency water storage tank according to another embodiment, and the same parts as those in the embodiment shown in FIG. 1 to FIG.

This emergency water storage tank surrounds the outer container 50 and the water storage tank 1 with the swelling preventing device 15 from outside the outer container 50. The floating container 7 of the water detecting device 5 is installed outside the outer container 50 and inside the housing 58.

Further, the floating container 7 of this embodiment
And a tubular packing 54 is inserted between the ends of the water conduit 53 so that the floating housing cylinder 7 outside the outer container 50 is connected to the water conduit 53 so as not to leak water. I have.

The emergency water storage tank in which the floating container 7 is provided outside the outer container 50 is provided with a viewing window or the like (not shown) in the outer casing 58 so that the floating container 7 is provided.
Thus, the connecting rod 9 connecting the float 6 and the display 8 can be formed short.

[0028]

According to the present invention, the water detecting device 5 is provided between the outer container 50 of the emergency water tank and the water tank 1 or outside the outer container 50.
The invention in which the water detecting device detects water leaked from a wound on the water storage tank 1 or water leaked from a pipe or a hose through which water flows in and out of the water storage tank 1 is inserted into the water storage tank 1. 5 is used for detection.

Therefore, it is possible to easily find water leakage from the water storage tank 1, to quickly take measures against water leakage, to prevent contamination of the surroundings due to the water leakage, invasion of various bacteria and the like into the water storage tank 1, and to secure water when the water supply is cut off. And other measures can be implemented promptly.

Then, the water conduit 5 connected to the water detecting device 5
The invention provided with 3 can prevent water leakage from staying at a location where there is no water detection device. Further, in the invention in which the water detection device 5 is installed outside the outer container 50, the water detection device 5 can be shortened by providing a viewing window or the like in the housing 58.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view for explaining an embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a main part for explanation of an embodiment of the present invention.

FIG. 3 is an enlarged plan view for explaining an embodiment of the present invention.

FIG. 4 is an enlarged plan view for explaining another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Water storage tank 2 Bottom part 3 Top part 4 Body part 5 Water detection device 6 Floating 7 Floating accommodating cylinder 8 Indicator 9 Connecting rod 10 Mounting band 11 Stretching rod 12 Backing plate 15 Swelling prevention tool 16 Columnar part 17 Upper end connecting part 18 Lower end Connecting part 23 Water tap 24 Inlet 25 Outflow port 30 Air passage 31 Check valve 32 Float 37 Second water tap 38 Second inlet port 39 Second check valve 40 Float 45 Pump-type pouring device 46 Pouring plug Reference Signs List 50 outer container 51 outer container bottom 52 outer container top 53 headrace 54 packing 55 outer container trunk 58 housing 59 bottom plate

Claims (3)

[Claims] 1. An inflow port 24 connected to a water tap 23 is provided in a water storage tank 1, and an outflow port 25 through which water in the water storage tank 1 flows out by the pressure of water flowing into the water storage tank 1 is provided. Further, in an emergency water storage tank provided with a pouring plug 46 capable of discharging water in the water storage tank 1 when the water supply is cut off, the water storage tank 1 is housed in an outer container 50 which is formed water-tight with a heat insulating material. An emergency water tank in which a water detection device 5 is installed between the water tank 1 and the water tank 1. 2. The emergency water storage tank according to claim 1, further comprising a water conduit connected to the water detection device between the outer container and the water storage tank. 3. The emergency water storage tank according to claim 2, wherein the water detection device 5 is installed outside the outer container 50 in place of the configuration in which the water detection device 5 is installed between the outer container 50 and the water storage tank 1.