JP3175681U - Water tank with piping for emergency water supply - Google Patents

Abstract

The present invention provides an emergency water supply-equipped water tank (a water receiving tank or an elevated water tank) that can drain water in a tank in a short time in a normal case and can take water in the tank little by little in an emergency.
A drain pipe 12 having one end connected to a drain hole 11 at the bottom, a conversion pipe 1 having one end connected to the other end of the drain pipe 12, and a drain valve 13 provided in the drain pipe 12. And a water supply pipe 2 having a smaller diameter than the drain pipe 12 and connectable to the conversion pipe 1, and a regulating valve 3 for adjusting the amount of flowing water provided in the water supply pipe 2. Furthermore, means for discharging water discharged from the drain hole 11 to the drain port 15 without passing through the water supply pipe 2, and means for discharging water discharged from the drain hole 11 through the water supply pipe 2; Can be selected.
[Selection] Figure 1

Description

  The present invention relates to a water tank with an emergency water supply pipe provided with a pipe that can be used for water supply in an emergency.

FIG. 7 is a configuration diagram schematically showing a basic configuration of a conventional water receiving tank. Conventionally, in a water receiving tank or an elevated water tank, a drain hole 11 for draining all the water in the tank is provided at the bottom of the tank 10 when the equipment is inspected or when the tank is cleaned, and is connected to the drain hole 11. The drainage pipe 12 leads to a drainage port 15 which is a drainage port. Usually, a drain valve 13 is installed at the outlet of the drain pipe 12. Examples of conventional water receiving tanks are described in Patent Documents 1 and 2.

JP 7-216946 A JP-A-11-181848

  In conventional water receiving tanks and elevated water tanks including the water receiving tanks described in Patent Document 1 and Patent Document 2, generally, the drain pipe has a large diameter of about 50 mm to 100 mm so that drainage in a short time is possible. have. On the other hand, if a power outage occurs due to a disaster or the like, even if an emergency power supply is provided, normal water supply facilities cannot be operated if the power outage period is prolonged. In such an emergency, it is necessary to effectively use water stored in a water receiving tank or an elevated water tank.

  As a method of taking out the water stored in the water receiving tank or the elevated water tank, a method using the above drain pipe can be considered. However, the diameter of the water distribution pipe is large as described above, and a small amount of water cannot be adjusted with the drainage valve provided in the drainage pipe. In the event of a disaster, drinkable water becomes valuable and it is desirable that water can be taken in small portions. On the other hand, as described above, it is required to drain water in a short time when checking the facilities or cleaning the inside of the tank, so that the current drain pipe and drain valve are required.

  Therefore, the present invention has been made to solve such problems. In normal cases, the water in the tank can be drained in a short time, and in an emergency, the water can be taken in small quantities in an emergency. The purpose is to provide a water tank with piping.

  In the first aspect, the water tank with an emergency water supply pipe of the present invention includes a drain pipe having one end connected to a drain hole at the bottom, a conversion pipe having one end connected to the other end of the drain pipe, At least one drain valve provided in at least one of the drain pipe or the conversion pipe, a water supply pipe having a smaller diameter than the drain pipe and connectable to the conversion pipe, and running water provided in the water supply pipe An adjustment valve for adjusting the amount, means for discharging water discharged from the drainage hole without passing through the water supply pipe, and water discharged from the drainage hole via the water supply pipe It is characterized in that the means for discharging can be selected. In the present invention, in the normal case, the means for discharging the water discharged from the drain hole through the drain pipe having a large diameter and the drain valve as in the conventional case is selected, and in the case of an emergency, the small diameter having the adjustment valve is provided. Since the means for discharging via the water supply pipe can be selected, the water in the tank can be drained in a short time in normal cases, and the water in the tank can be taken in small amounts in an emergency.

  In a second aspect, the present invention is the water tank with an emergency water supply pipe according to the first aspect, wherein the drain valve is provided in the drain pipe, and the water supply pipe is connectable to the other end of the conversion pipe. The water supply pipe is not connected to the other end of the conversion pipe, so that water discharged from the drain hole is discharged without passing through the water supply pipe, and the water supply pipe is connected to the other end of the conversion pipe. It is characterized by discharging the water discharged from the drain hole through the water supply pipe by connecting to the water supply. In the device of this aspect, in the normal case, the drain pipe is discharged from the outlet of the converter pipe via the drain pipe and the drain valve with the converter pipe connected to the outlet of the drain pipe. By connecting a small water supply pipe to the outlet of the conversion pipe, it can be discharged via the water supply pipe. In this configuration, it is only necessary to connect the conversion pipe to the drainage pipe of the conventional water receiving tank or elevated water tank, and separately provide a water supply pipe with a small diameter provided with a regulating valve. The object of the invention can be achieved.

  In a third aspect, the present invention is the water tank with an emergency water supply pipe according to the first aspect, wherein at least one of the drain valves is provided in the conversion pipe, and the water supply pipe is the drain of the conversion pipe. Connected to the drain pipe side from the valve, by opening the drain valve of the conversion pipe, the water discharged from the drain hole is discharged without passing through the water supply pipe, and the drain valve of the conversion pipe is closed Thus, the water discharged from the drain hole is discharged through the water supply pipe. In the device of this viewpoint, when the conversion pipe and the water supply pipe are always attached to the conventional drain pipe, and the water in the tank is drained for a normal purpose such as inspection, a drain valve provided on the conversion pipe is installed. Open. In this case, if a drain valve is installed in the drain pipe, the drain valve is also opened at the same time. When taking water in the tank in an emergency, close the drain valve provided in the conversion pipe, open the drain valve if the drain pipe is installed, and open the adjustment valve of the water supply pipe Thus, the water can be discharged from the water supply pipe having a small diameter. With this configuration, it is not necessary to install or remove the water supply pipe.

  As described above, according to the present invention, in the normal case, the water in the tank can be drained in a short time, and the water tank with an emergency water supply pipe that can take in the water little by little in an emergency can be obtained.

It is a figure which shows typically the basic structure of the water tank with piping for emergency water supply which concerns on Example 1, and a block diagram in the normal case. It is a figure which shows typically the basic composition of the water tank with piping for emergency water supply which concerns on Example 1, and a block diagram in the case of taking water from the inside of a tank at the time of emergency. The enlarged view of the conversion pipe 1 and the piping 2 for water supply. It is a figure which shows typically the structure of the water tank with an emergency water supply piping which concerns on Example 2, and is a block diagram at the time of taking water from the inside of a tank in emergency. It is a figure which shows typically the structure of the water tank with an emergency water supply piping which concerns on Example 3, and is a block diagram in the case of using it at normal time. The figure which shows typically the structure of the water tank with piping for emergency water supply which concerns on Example 4. FIG. The block diagram which shows typically the basic composition of the conventional water receiving tank.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a water receiving tank with an emergency water supply pipe according to the present invention will be described below in detail with reference to the drawings. In the description of the drawings, the same elements are denoted by the same reference numerals, and redundant description thereof is omitted.

  FIG. 1 and FIG. 2 are diagrams schematically showing a basic configuration of a water tank with an emergency water supply pipe according to Embodiment 1, FIG. 1 is a configuration diagram in a normal case, and FIG. It is a block diagram in the case of taking water from. FIG. 3 is an enlarged view of the conversion pipe 1 and the water supply pipe 2 in FIGS. 1 and 2. In FIG. 1, a water tank 20 with an emergency water supply pipe of this embodiment is a water receiving tank 20, a drain pipe 12 having one end connected to a drain hole 11 at the bottom, and one end at the other end of the drain pipe 12. Provided in the connected conversion pipe 1, one drain valve 13 provided in the drain pipe 12, a water supply pipe 2 having a smaller diameter than the drain pipe 12 and connectable to the conversion pipe 1, and the water supply pipe 2 A control valve 3 for adjusting the amount of flowing water, means for discharging water discharged from the drain hole 11 to the drain port 15 without passing through the water supply pipe 2, and water discharged from the drain hole 11 A means for taking water through the water supply pipe 2 can be selected. The configurations and shapes of the tank 10, the drain hole 11, the drain pipe 12, the drain valve 13 and the like are the same as those of the conventional water receiving tank 24 shown in FIG.

  Specifically, as shown in FIG. 3, the conversion pipe 1 has an upper end 1a connected to the drain pipe 12, and a lower end 1b that allows connection and removal of the upper end 2a of the water supply pipe 2. It is configured. The diameters of the upper end portion 1a and the lower end portion 1b are preferably the same as or similar to the diameter of the drain pipe 12 so that the drainage can be performed in a short time. The structure and shape of the upper end portion 1 a of the conversion pipe 1 are selected according to the material and shape of the connection portion of the drain pipe 12. For example, if the connection portion of the drain pipe 12 is threaded, a suitable screw may be provided. If the connection portion of the drain pipe 12 is made of resin and connection by adhesive fixation is desired, the connection method is optimal. It may be a structure. The diameter of the upper end 2 a of the water supply pipe 2 is the same as that of the lower end 1 b of the conversion pipe 1. The water supply pipe 2 has a small pipe 2b having the same diameter as that of a normal domestic water supply. As the adjustment valve 3, for example, a household water tap can be used. Further, the faucet 2c of the water supply pipe 2 may be a faucet bent at 90 degrees as shown in FIG. 3, or may be a straight faucet. In this case, as a method for realizing the water supply pipe 2, for example, a conversion adapter in which one end is fitted to the diameter of the lower end portion 1 b of the conversion pipe 1 with a screw and the other end is fitted to a general household water tap with a screw. And a water tap may be combined.

  In this embodiment, as shown in FIG. 1, since the water supply pipe 2 is not normally connected to the conversion pipe 1, when checking or cleaning the inside of the tank 10, the drain valve 13 is opened to open the drain hole 11. The discharged water is discharged as it is to the drain port 15 through the conversion pipe 1. On the other hand, when water is taken from the tank in the event of an emergency, by connecting the upper end 2a of the water supply pipe 2 to the lower end 1b of the conversion pipe 1 and opening the drain valve 13, as shown in FIG. The discharged water is taken in via the faucet 2c of the water supply pipe 2. In this case, as shown in FIG. 2, the drain port 15 and the pipe connected to the drain port 15 are usually easily removable, so that they can be removed and the water supply pipe 2 can be attached to the conversion pipe 1. . If the shapes of the water supply pipe 2 and the conversion pipe 1 are reduced in size, it is possible to attach the water supply pipe 2 to the conversion pipe 1 while leaving the drain port 15 as it is.

  FIG. 4 is a diagram schematically illustrating a configuration of a water tank with an emergency water supply pipe according to the second embodiment, and is a configuration diagram in the case of taking water from the tank in an emergency. In this embodiment, the basic configuration is the same as that of the first embodiment. However, in the present embodiment, the drain pipe 12 whose one end is connected to the drain hole 11 at the bottom of the tank 10 of the emergency water supply pipe-equipped water tank (water receiving tank) 21 is drawn horizontally to the side surface of the tank 10. The drain valve 13 is installed in the drawn part. Furthermore, a pipe bent 90 degrees downward from the horizontal direction is connected to the tip of the drain pipe 12 so as to drain downward. In the present embodiment, a conversion pipe 4 having the same shape is connected to the tip of the drain pipe 12 instead of the pipe bent 90 degrees. When water is taken from the tank in an emergency, a water supply pipe 5 provided with a regulating valve 6 is connected to the other end of the conversion pipe 4 as shown in FIG.

  As in the case of the first embodiment, when water is taken from the tank 10 in an emergency, water is taken in via the water supply pipe 5 by connecting the water supply pipe 5 and opening the drain valve 13. Normally, the water supply pipe 5 is not connected to the conversion pipe 4, and the water discharged from the drain hole 11 is released through the conversion pipe 4 as it is by opening the drain valve 13.

  FIG. 5: is a figure which shows typically the structure of the water tank with an emergency water supply piping which concerns on Example 3, and is a block diagram in the case of using at normal time. In this embodiment, the basic configuration is the same as that of the first embodiment. However, in the present embodiment, the drain pipe 12 having one end connected to the drain hole 11 at the bottom of the tank 10 of the emergency water supply piping-equipped water tank (water receiving tank) 22 is drawn horizontally to the side surface of the tank 10. The drain valve 13 is installed in the drawn part. Further, the pipe 16 for draining excess water is joined to the tip of the drain pipe 12 and discharged to the drain port 15 when water of a reference full water level or more is poured into the tank. In this embodiment, the joining portion of the pipe 16 and the drain pipe 12 is replaced with the conversion pipe 7, the conversion pipe 7 has a T-shape, the upper end 7a is connected to the pipe 16, and the side end 7b. Is connected to the drain pipe 12, and the lower end 7 c can be connected to the upper end 5 a of the water supply pipe 5. When water is taken from the tank in an emergency, the drain port 15 is removed, and the water supply pipe 5 provided with the adjustment valve 6 is connected to the lower end portion 7 c of the conversion pipe 7.

  FIG. 6 is a diagram schematically illustrating the configuration of the emergency water supply piping-equipped water tank according to the fourth embodiment. In the present embodiment, the drain pipe 12 having one end connected to the drain hole 11 at the bottom of the tank 10 of the emergency water supply piping-equipped water tank (water receiving tank) 23 is drawn downward similarly to the first embodiment. A drain valve 13 is provided. However, the conversion pipe 8 of the present embodiment is T-shaped, the upper end 8a is connected to the drain pipe 12, the side end 8b is connected to the water supply pipe 2, and the drain valve 9 is connected to the lower end 8c. Is provided. That is, the water supply pipe 2 is connected to the drain pipe 12 side from the drain valve 9 of the conversion pipe 8. In this embodiment, in the case of normal inspection or the like, by opening the drain valve 13 of the drain pipe 12 and further opening the drain valve 9 of the conversion pipe 8, the water discharged from the drain hole 11 is supplied to the water supply pipe 2. It discharges to the drain 15 without going through. On the other hand, when water is taken in an emergency, water discharged from the drain hole 11 is taken in via the water supply pipe 2 by opening the drain valve 13 of the drain pipe 12 and closing the drain valve 9 of the conversion pipe 8. Can do. In the present embodiment, the work of attaching or removing the water supply pipe is not required as in the other embodiments described above. In the present embodiment, the object of the present invention can be achieved without the drain valve 13 provided in the drain pipe 12.

  Although the above embodiment has been described with respect to the case where the present invention is applied to a water receiving tank as a water tank, the present invention can also be applied to an elevated water tank having a similar drainage structure. As described above, in the water tank with an emergency water supply pipe of the present invention, the water in the tank can be drained in a short time in a normal case, and the water in the tank can be taken in small amounts in an emergency. By adding a conversion pipe and a water supply pipe to a conventional water tank or an elevated water tank, the water tank with an emergency water supply pipe of the present invention can be easily configured. In addition, drainage in normal inspection can be performed in the same manner as before.

  Needless to say, the present invention is not limited to the above-described embodiments, and the design can be changed according to the purpose and application. For example, the water receiving tank or elevated water tank to which the present invention is applied may have a structure other than the embodiment. The structure and material of the drain pipe, drain valve, conversion pipe, and water supply pipe can also be selected according to the shape, material and purpose of the pipes connected to each other.

1, 4, 7, 8 Conversion pipe 2, 5 Water supply pipe 2b Small pipe 2c Faucet 3 Regulating valve 1a, 2a, 7a, 8a Upper end 1b, 7c, 8c Lower end 7b, 8b Side end 9, 13 Drain valve
10 tanks 11 holes 12 drain pipes 15 drain outlets 16 pipes 20, 21, 22, 23 Water tanks with emergency water supply pipes 24 Water receiving tanks

Claims (3)

A drain pipe with one end connected to a drain hole at the bottom;
A conversion pipe having one end connected to the other end of the drain pipe;
At least one drain valve provided in at least one of the drain pipe or the conversion pipe;
A water supply pipe having a smaller diameter than the drain pipe and connectable to the conversion pipe;
An adjustment valve for adjusting the amount of flowing water provided in the water supply pipe;
Have
The means for discharging the water discharged from the drain hole without passing through the water supply pipe and the means for discharging the water discharged from the drain hole through the water supply pipe can be selected. A water tank with piping for emergency water supply.   The drain valve is provided in the drain pipe, the water supply pipe is connectable to the other end of the conversion pipe, and is discharged from the drain hole by not connecting the water supply pipe to the other end of the conversion pipe. Water is discharged without passing through the water supply pipe, and the water discharged from the drain hole is discharged through the water supply pipe by connecting the water supply pipe to the other end of the conversion pipe. The water tank with an emergency water supply pipe according to claim 1. At least one of the drainage valves is provided in the conversion pipe, the water supply pipe is connected to the drainage pipe side from the drainage valve of the conversion pipe, and the drainage hole is opened by opening the drainage valve of the conversion pipe The water discharged from the water supply pipe is discharged without passing through the water supply pipe, and the water discharged from the drain hole is discharged through the water supply pipe by closing the drain valve of the conversion pipe. The water tank with piping for emergency water supply according to claim 1.

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