JP2000024132A - Hydrant - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hydrant which can be used for watering garden trees and flower pots or for washing an entrance hall, a wall, etc. with water in addition to being used as a domestic fire hydrant. SOLUTION: This hydrant is provided with a first valve 11 provided on the upstream side of a city-water pipe 10 to open and close a pipe path, a second valve provided on the downstream side of the pipe 10 to open and close the pipe path, a water discharging hose 9 with a nozzle connected to the pipe 10 between the first valve 11 and the second valve, a housing box with an opening/closing door for housing this hose 9 and a valve opening/closing operation means which closes the second valve linked with the opening operation of the opening/closing door, opens the first valve 11 to make the inside of the hose 9 in a pressed state, closes the first valve 11 linked with the opening operation of the opening/closing door and opens the second valve to make the inside of the hose 9 in a non-pressed state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire hydrant which is used, for example, for general households and which can be connected to a water pipe to discharge water, and a water faucet which is used as a water sprinkler for watering garden trees, flowerpots and the like.

[0002]

2. Description of the Related Art Fire hydrants are required to be installed in factories and offices, and fire hydrants are installed on the walls of buildings, etc., but ordinary households are equipped with fire extinguishers. This fire extinguisher is filled with a fire extinguishing agent and requires refilling of the fire extinguishing agent on a regular basis, but the fact is that the maintenance is not sufficiently performed.

[0003] In Japan, the Fire and Disaster Management Agency issued "Technical Guidelines for Installation of Residential Sprinklers" in 1991, but the cost of plumbing is high, and if it is installed in an existing building, The problem is that pipes are exposed and the appearance is spoiled.

[0004] Therefore, it is conceivable to install a fire hydrant as it is in a factory or office, or to install a small fire hydrant in a general household. It is stored in a state of being wound around, or is stored in a meandering shape on a hanger or the like. A valve is provided at the base end of the fire hose, a water discharge nozzle is provided at the tip, and the base of the fire hose is connected to a water supply source.

When a fire occurs, the door of the storage box is opened, the fire hose is pulled out from a take-up reel or hanger, etc., and the valve is opened. When the valve is opened, the pressurized water supply device operates to add the fire hose. Water is sent under pressure, and water is blown out from the water discharge nozzle, so that fire fighting can be performed.

[0006]

However, the fire hydrant is installed for the purpose of initial fire extinguishing, and it is necessary that anyone can use it when a fire occurs. Cannot be performed, and the initial fire extinguishing may be missed. In addition, conventional fire hydrants have problems that they are large, require a large installation space, are expensive because they require a water tank and a water pump, are easy to operate, can be easily used by anyone, and are inexpensive. Is desired.

[0007] The present invention has been made in view of the above-mentioned circumstances, and its object is that even an unfamiliar person or a first-time person can easily operate the apparatus in the event of a fire, and reliably use environmentally friendly water. Fire extinguishing activities, and also as a regular practice for watering garden trees and flower pots,
An object of the present invention is to provide a water faucet that can be easily used for washing walls and the like.

[0008]

In order to achieve the above object, the present invention is characterized in that a first valve provided on an upstream side of a water pipe for opening and closing a pipe, and a downstream valve of the water pipe are provided. A second valve provided on the side for opening and closing a pipe line, a water discharge hose with a nozzle connected to the water pipe between the first valve and the second valve, and a water discharge hose with the nozzle housed therein. A storage box having an opening / closing door, the second valve being closed in conjunction with the opening operation of the opening / closing door, the first valve being opened, and the inside of the water discharge hose being pressurized; Valve opening / closing operation means for closing the first valve in conjunction with the closing operation of the door and opening the second valve to make the inside of the water discharge hose non-pressurized. In the hydrant.

The second valve is provided upstream of the water pipe and opens and closes a pipe, the second valve is provided downstream of the water pipe and opens and closes a pipe, and the first valve is connected to the first valve. A water discharge hose with a nozzle connected to the water pipe between the first valve and the second valve, a hose holding mechanism for holding the water discharge hose with the nozzle when not in use, and a water discharge hose with the nozzle from the hose holding mechanism The second valve is closed in conjunction with the operation of removing the nozzle, the first valve is opened to pressurize the inside of the water discharge hose, and the water discharge hose with the nozzle is held by the hose holding mechanism. And a valve opening / closing operation means for closing the first valve in conjunction with the operation and opening the second valve to make the inside of the water discharge hose non-pressurized. is there.

According to a third aspect of the present invention, the valve opening / closing operation means according to the first aspect is a non-pressurized pull-out prevention mechanism and a pressurized storage prevention mechanism for mechanically opening and closing the first and second valves in conjunction with opening and closing of the opening and closing door. It is a mechanism.

According to a fourth aspect of the present invention, the valve opening / closing operation means according to the second aspect is provided with a detector provided in the hose holding mechanism for detecting the attachment / detachment of the hose to / from the hose holding mechanism, and a signal electrically output from the detector. A non-pressurized pull-out preventing mechanism and a pressurized storage preventing mechanism for opening and closing the first and second valves.

A fifth aspect of the present invention is characterized in that the water discharge hose with a nozzle according to the first or second aspect is a coil tube made of a synthetic resin. A sixth aspect of the invention is characterized in that the nozzle of the water discharge hose with a nozzle according to the first or second aspect can switch between water stoppage, spraying, jet injection, and the like.

In use, when the door is opened or the water discharge hose with nozzle is removed from the hose holding mechanism, the second valve on the downstream side of the water pipe is closed, and the first valve on the upstream side is opened. Then, tap water is supplied to the water discharge hose with the nozzle to be in a pressurized state, and the water discharge hose with the nozzle can be pulled out. Further, after use, when the open / close door is closed or a water discharge hose with a nozzle is attached to the hose holding mechanism, the first valve on the upstream side of the water pipe is closed, and the second valve on the downstream side is opened. Tap water in the water discharge hose with the nozzle is drained to be in a non-pressurized state, and the water discharge hose with the nozzle can be stored.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 5 show a first embodiment, which is a water tap for general household use. FIG. 1 is a front view, FIG.
FIG. 3 is a sectional view taken along line AA of FIG. 1, FIG. 3 is a sectional view taken along line BB of FIG. 1, FIG. 4 is a vertical sectional side view of the first and second valves, and FIG. is there. 1 is provided integrally with a sink 2 installed in a kitchen room, and the sink 2 is provided with a sink 3 and a sink cabinet 4.

As shown in FIGS. 2 and 3, the storage box 1 is vertically long, and an opening 5 is provided at an upper portion thereof. At the lower end of the storage box 1, the opening 5 is opened by rotating the hinge shaft 6 toward the center toward the front side.
An opening / closing door 7 is integrally provided on the front surface of the storage box 1.
Reference numeral 8 denotes a handle provided on the door 7. Storage box 1
Inside, a water discharge hose 9 with a nozzle is stored in a wound state.

A water pipe 10 is provided at the inner bottom of the storage box 1, and 10a is an upstream side and 10b is a downstream side. A first valve 11 for opening and closing the pipe of the water pipe 10 is provided on the upstream side 10a, and a second valve 12 for opening and closing the pipe of the water pipe 10 is provided on the downstream side 10b. A branch pipe 17 that rises along the side wall of the storage box 1 in the middle of the water pipe 10 located between the first and second valves 11 and 12.
Is connected to the upper end of the branch pipe 17 via a joint 18 to the base end of the water discharge hose 9 with a nozzle.

As shown in FIG. 4, the first valve 11 is, for example, a ball valve and has an operation lever 14 connected to a ball 13. When the operation lever 14 is positioned diagonally below, the valve is closed. In this state, the valve is opened when turned upward by 90 °. Also, the second valve 12
Is, for example, a ball valve having an operation lever 16 connected to the ball 15. The operation lever 16 is open when the operation lever 16 is positioned diagonally downward, and closes when the operation lever 16 rotates 90 ° upward. It has become.

Further, an operation rod 20 is provided at the lower end of the storage box 1 and protrudes downward from the first valve 11 side. Roller 2 slidably engaged with 14a
1 is provided. When the storage box 1 integrated with the opening / closing door 7 is turned to the front side to open the opening 5, the operation lever 14 is turned upward by the operation rod 20, as shown in FIG. The first valve 11 is opened by the rotation of the ball 13, and a non-pressurized pull-out prevention mechanism 22 is configured.

Further, an operation rod 23 is provided at the lower end of the storage box 1 and protrudes downward from the second valve 12 side. Roller 2 slidably engaged with 16a
4 are provided. When the storage box 1 integrated with the door 7 is turned to the front side to open the opening 5, the operation lever 16 is turned upward by the operation rod 23, and the ball 15 is rotated integrally therewith. The second valve 12 is closed, and a pressurized storage prevention mechanism 25 is configured.

The hose 9a is a coil tube made of a synthetic resin, for example, the outer diameter is 11 mm, the inner diameter is 9 mm, the coil winding diameter is 300 mm, and the length is 15 m. . Since the hose 9a cannot be extended unless water pressure is applied to the inside and the pressurized state, it is not necessary to maintain and reinforce the shape retention of the hose cross-sectional shape. In addition, since the coil cannot be stored in the storage box 1 unless it is in a non-pressurized state, it is not necessary to reinforce the blade or the like against the creep phenomenon. Therefore, unlike a garden hose reinforced with a blade that cannot absorb torsion, the hose 9a itself can absorb the torsion even if the coil is pulled out and twisted. In addition, the nozzle 9b can be switched between water stoppage, spraying, and jet injection, and can be arbitrarily switched according to the purpose of use. It is held by a clip 26 as a nozzle holding mechanism.

Next, the operation of the first embodiment will be described. A water discharge hose 9 with a nozzle is stored in the storage box 1,
When the door 7 is closed, the operating levers 14 and 16 are pushed down by the operating rods 20 and 23 provided at the bottom of the storage box 1, so that the first valve 11 is closed and the first valve 11 is closed. The second valve 12 is open. Therefore, the inside of the hose with nozzle 9 is kept in a non-pressurized state.

In this state, when the user puts his hand on the handle 8 and pulls the opening / closing door 7 forward, the storage box 1 integrated with the opening / closing door 7 rotates forward with the hinge shaft 6 as a fulcrum. As a result, the operation lever 14 rotates upward, the ball 13 rotates integrally therewith, and the first valve 11 opens. Further, the operation lever 16 is rotated upward by the operation rod 23, and the ball 15 is rotated integrally therewith, whereby the second valve 12 is closed.

Accordingly, tap water is supplied from the upstream side 10a of the water pipe 10 to the water discharge hose 9 with the nozzle via the branch pipe 17, and the hose 9a is pressurized. As shown in FIG. 9 can be pulled out from the opening 5 to discharge water from the nozzle 9b. Also, after water discharge, the nozzle 9
b. The water is stopped at b, and the water discharge hose 9 with the nozzle is placed in the storage box 1
When the opening and closing door 7 is closed, the operating rods 20 and 2
3, the operation levers 14, 16 are pushed down,
Is closed, and the second valve 12 is opened.
For this reason, the tap water in the water discharge hose 9 with the nozzle is drained to the downstream side 10b of the water pipe 10 via the branch pipe 17, and is in a non-pressurized state.

In the storage state of the water discharge hose 9 with a nozzle, the second valve 12 is automatically opened to prevent pressurized storage, and when the door 7 is opened, the first valve 12 is opened. Since the valve 11 is automatically opened, it is possible to prevent the water discharge hose 9 with the nozzle from being pulled out without pressure.

In the first embodiment, the storage box 1 and the opening and closing door 7 are integrally formed, and the storage box 1 is rotated forward and the opening 5 is opened. An opening may be provided on the front surface of the storage box, and an opening / closing door for opening and closing the opening may be provided. In this case, the first and second doors are
An operation rod for opening and closing the valve is provided.

FIG. 6 shows a second embodiment, in which the same components as those in the first embodiment are assigned the same reference numerals and their explanation is omitted. In the present embodiment, a first electromagnetic valve 31 as a first valve is provided on the upstream side 10a of the water pipe 10, and a second electromagnetic valve 32 as a second valve is provided on the downstream side 10b. I have. The first electromagnetic valve 31 opens the conduit of the water pipe 10 when excited, and closes when the excitation is released. Conversely, the second electromagnetic valve 32 closes the pipe of the water pipe 10 when excited, and opens when the excitation is released.

The clip 26 as a nozzle holding mechanism is provided with a switch 33 as a detector which is turned off when the nozzle 9b is mounted and turned on when the nozzle 9b is detached from the clip 26. This switch 33 is connected to the first solenoid valve 31 and the second solenoid valve 3 via a controller 34.
2 and the controller 34 is connected to a power supply.

Next, the operation of the second embodiment will be described. In a state where the nozzle 9b is attached to the clip 26 of the storage box 1 and the water discharge hose 9 with the nozzle is stored in the storage box 1, the switch 33 is in the off state, the first solenoid valve 31 is closed, The second solenoid valve 32 is open. Therefore, the inside of the hose with nozzle 9 is kept in a non-pressurized state.

In this state, when the user puts his hand on the handle 8 and pulls the door 7 forward, the storage box 1 integrated with the door 7 pivots forward with the hinge shaft 6 as a fulcrum. Next, the nozzle 9
b is removed from the clip 26, the switch 33 is turned on, and the controller 34 sends the first and second solenoid valves 3
Excitation current flows through 1 and 32.

Therefore, the first solenoid valve 31 opens,
Since the second solenoid valve 32 is closed, the water discharge hose 9 with a nozzle from the upstream side 10a of the water pipe 10 via the branch pipe 17 is used.
The tap water is supplied to the hose 9a, and the hose 9a is pressurized.
Water can be discharged from b. After the water discharge, the water is stopped at the nozzle 9b, and the water discharge hose 9 with the nozzle is stored in the storage box 1,
When the nozzle 9b is attached to the clip 26, the switch 33
Is turned off, the first and second solenoid valves 31 and 32 are de-energized via the controller 34, and the first solenoid valve 3
1 is closed, and the second solenoid valve 32 is opened. For this reason,
Tap water in the water discharge hose 9 with the nozzle is drained to the downstream side 10b of the water pipe 10 via the branch pipe 17, and is in a non-pressurized state.

In the state where the nozzle 9b of the water discharge hose 9 with a nozzle is attached to the clip 26, the second
When the nozzle 9b is removed from the clip 26, the electromagnetic valve 32 is automatically opened to prevent pressurized storage.
Since the first solenoid valve 31 is automatically opened, it is possible to prevent the water discharge hose 9 with the nozzle from being pulled out without pressure.

[0032]

As described above, according to the present invention, according to the first and second aspects, when the opening / closing door is opened or the water discharge hose with nozzle is removed from the hose holding mechanism during use, the water pipe is provided. The second valve on the downstream side is closed, the first valve on the upstream side is opened, and tap water is supplied to the water discharge hose with nozzle to be in a pressurized state, so that the water discharge hose with nozzle can be pulled out. . Therefore, it can be used as a domestic fire hydrant, and can be used for watering garden trees and flower pots or for washing entrances and walls.

When the open / close door is closed or the water discharge hose with nozzle is attached to the hose holding mechanism after use, the first valve on the upstream side of the water pipe is closed and the second valve on the downstream side is opened. The tap water in the water discharge hose with nozzle is drained, and the water is drained to a non-pressurized state.The water discharge hose with nozzle can be stored, making it easy to operate, small and requires little installation space, and at a low cost. There is an effect that it can be provided.

[Brief description of the drawings]

FIG. 1 is a front view of a water faucet according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA in FIG. 1;

FIG. 3 is a sectional view taken along the line BB of FIG. 1;

FIG. 4 is a longitudinal sectional side view of the first and second valves of the embodiment.

FIG. 5 is an operation explanatory view of the embodiment.

FIG. 6 is a configuration diagram of a main part of a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Storage box 5 ... Opening 7 ... Opening-and-closing door 9 ... Water discharge hose with a nozzle 10 ... Water pipe 11 ... 1st valve 12 ... 2nd valve 22 ... Non-pressurized drawer prevention mechanism 23 ... Pressurized storage prevention mechanism

Claims (6)

[Claims] A first valve provided upstream of a water pipe for opening and closing a pipe, a second valve provided downstream of the water pipe for opening and closing a pipe, and the first valve. A water discharge hose with a nozzle connected to the water pipe between the second valve, a storage box having an open / close door for storing the water discharge hose with the nozzle, and the second box in conjunction with an opening operation of the open / close door; Is closed, the first valve is opened, the inside of the water discharge hose is pressurized, and the first valve is closed in conjunction with the closing operation of the open / close door, and the second valve is closed. And a valve opening / closing operation means for opening a valve to make the inside of the water discharge hose non-pressurized. 2. A first valve provided on the upstream side of a water pipe for opening and closing a pipe, a second valve provided on a downstream side of the water pipe for opening and closing a pipe, and the first valve. A water discharge hose with a nozzle connected to the water pipe between the second valve, a hose holding mechanism for holding the water discharge hose with the nozzle when not in use, and an operation of removing the water discharge hose with the nozzle from the hose holding mechanism In conjunction with the second
Is closed, the first valve is opened to make the inside of the water discharge hose pressurized, and the first valve is operated in conjunction with the operation of holding the water discharge hose with the nozzle in the hose holding mechanism. And a valve opening / closing operation means for closing the valve and opening the second valve to make the inside of the water discharge hose non-pressurized. 3. The non-pressurized pull-out prevention mechanism and the pressurized storage prevention mechanism for mechanically opening and closing the first and second valves in conjunction with the opening and closing of the opening and closing door. A water faucet characterized by that. 4. A valve opening / closing operation means according to claim 2, wherein a detector provided in the hose holding mechanism for detecting attachment / detachment of the hose to / from the hose holding mechanism is electrically connected to the first and second valves by a signal from the detector. A water faucet comprising a non-pressurized drawer preventing mechanism and a pressurized storage preventing mechanism for opening and closing the second valve. 5. A water tap according to claim 1, wherein the water discharge hose with a nozzle is a coiled tube made of a synthetic resin. 6. A water faucet according to claim 1, wherein the nozzle of the water discharge hose with a nozzle according to claim 1 or 2 can switch between water stoppage, spraying, jet injection and the like.