JP2003038674A - Fire hydrant device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To appropriately pull out a hose even when an installation position becomes low. SOLUTION: In a fire hydrant device 1, the hose with a nozzle is wound inwards and housed inside a case body 2, and when extinguishing a fire, a door 4 of the case body is opened, the hose 12 with the nozzle is pulled out and a fire is extinguished. A hose guide 20 into which the hose 12 is to be inserted is provided on the inner side of the fire hydrant door 4, the hose guide 20 is provided with an extension/contraction mechanism for vertically extending/ contracting it correspondingly to the pull-out direction of the hose, a difference between a height when a person holds the hose and the height of the hose guide is reduced and frictional resistance is reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire hydrant device installed in a tunnel or the like and used for extinguishing a vehicle fire.

[0002]

2. Description of the Related Art Conventionally, as a fire hydrant device installed in a tunnel such as a highway or an automobile road, for example, FIG.
Are known (Japanese Patent Laid-Open No. 2001-9594).
0 etc.).

In this fire hydrant apparatus 100, a hose 103 having a nozzle 102 is housed in a housing, and in a fire, the door 101 is opened and the hose 103 is pulled out by holding the nozzle 102 to extinguish the fire. In order to prevent the hose 103 from coming out more than necessary when pulling out this hose,
A hose guide 104 is provided inside the door 101, and the hose 103 is pulled out through the hose guide 104.

[0004]

By the way, in recent years, there has been an increasing demand for miniaturization of fire hydrant devices installed in tunnels because of the importance of design. In addition, it is expected that there will be cases where the installation position of the fire hydrant device is lowered to near the driver's eyes in order to pursue driving comfort in the tunnel.

However, when the fire hydrant device is installed at a height near the road surface as described above, particularly when the fire hydrant device has a structure in which the hose is internally wound as shown in FIG. Since the height of a person holding the hose is higher than the height at which the hose is stored, there is a problem that the hose is strongly rubbed against the hose guide and the pulling force becomes large.

It is an object of the present invention to provide a fire hydrant device in which the hose can be properly pulled out even when the installation position is lowered.

[0007]

To achieve this object, the present invention is constructed as follows. The present invention relates to a fire hydrant device for accommodating a hose with a nozzle wound inside a housing and opening the door of the housing to pull out the hose with a nozzle to extinguish a fire when a fire is extinguished. And a telescopic mechanism for vertically expanding and contracting the hose guide according to the pulling-out direction of the hose. By making the hose guide expandable and contractible in this way, by narrowing the difference between the height when a person holds the hose and the height of the hose guide, and reducing the frictional resistance,
Prevents the pulling force from increasing.

Further, according to the present invention, in a fire hydrant apparatus in which a hose with a nozzle is housed inside a housing and the door of the housing is opened and the hose with a nozzle is pulled out to extinguish a fire when a fire is extinguished, the hose is provided inside the door. And a door opening / closing mechanism for opening the door to a predetermined position in an obliquely upward direction before opening the door by 90 degrees. In this way, by opening the door that normally opens 90 degrees so that it stops at the halfway open position, the difference between the height when a person holds a hose and the height of the hose guide is minimized,
Friction is reduced to prevent an increase in pulling force.

Further, the door opening / closing mechanism is characterized in that the door opening / closing mechanism is opened not only at a predetermined position which is obliquely upward, but also at a hose storage position which is opened 90 degrees. By opening 90 degrees by such two-stage opening, the work of returning the hose after extinguishing to the inward winding state becomes easy.

Further, regarding a hose guide of a door having a door opening / closing mechanism which is opened obliquely upward at a predetermined position, an expansion / contraction mechanism for vertically expanding / contracting the hose guide in accordance with the pulling-out direction of the hose is provided so that when a person holds the hose. The difference between the height and the height of the hose guide is minimized, and the frictional resistance is reduced to prevent the pulling force from increasing.

[0011]

1 is a front view of a fire hydrant device according to the present invention. In FIG. 1, a fire hydrant device 1 of the present invention has a housing 2 placed on a pedestal 3, and the size of the housing 2 is
In order to reduce the size in the height direction, for example, the height including the gantry 3 is about 70 cm, and the lateral width is, for example, about 2.26 m, which is longer than the conventional fire hydrant device.

On the front surface of the housing 2 of the fire hydrant apparatus 1, there are provided a fire hydrant door 4 which opens downward with its lower portion as an axis, and a fire extinguisher door 5 which also opens forward with its lower portion as an axis. Further, with respect to the fire extinguisher door 5, a fire extinguisher upper door 6 is provided on the upper surface of the housing 2 so as to interlock and open upward.

Inside the fire hydrant door 4, a hose having a nozzle attached to its tip is housed in the housing in an inwardly wound state, as will be described later, and the fire hydrant door 4 is opened to pull out the nozzle. By operating the fire hydrant valve opening / closing lever provided in the door, the fire pump equipment can be started and water can be discharged.

The fire hydrant door 4 is provided with an opening / closing handle 4a, and by pulling the opening / closing handle 4a, the fire hydrant door 4 can be opened forward with the lower side being the rotation axis. This fire hydrant door 4
In the embodiment of the present invention, the open position of the two positions is a first position which is a predetermined position before 90 ° and a second position which is opened by 90 °, as will be made clear later. Has an open position.

Further, the fire extinguisher door 5 is provided with an opening / closing handle 5a, and by pulling the opening / closing handle 5a, the fire extinguisher door 5 can be opened in a state in which the lower side of the fire extinguisher door 5 is directed forward and obliquely upward. With the opening of the fire extinguisher door 5, the fire extinguisher upper door 6
Can be interlocked to open obliquely upward, and the internal fire extinguisher can be taken out from the upper opening of the fire extinguisher upper door 6 and the fire extinguisher door 5.

A manual transmitter 7a, a red indicator light 7b and a response lamp 7c are provided between the fire extinguisher door 5 and the fire hydrant door 4. In case of a fire accident in the tunnel, an emergency call can be made to the monitoring room or the like by operating the button of the manual transmitter 7a, and the response lamp 7c blinks when the emergency call is confirmed. The red indicator light 7b indicates the installation position of the fire hydrant device 1. The fire lamp 7b may also be switched from a normal lighting state to a blinking state in response to an emergency call.

FIG. 2 shows a fire hydrant device 1 of the present invention shown in FIG.
It is an example of the installation state in the tunnel of. In this installation example, for the passage 9a along the tunnel side wall 8,
The road surface 9b is constructed with a step difference of about 20 to 30 cm. The fire hydrant apparatus 1 of the present invention is installed on the passage 9a.

In the event of a vehicle fire, the door of the fire hydrant system 1 is opened to pull out the hose with a nozzle, and the fire hydrant system 1 is about 70 cm. Therefore, the hose when the door is opened The pull-out position is close to the passage 9a if the door is opened 90 °, but in the present invention, as will be apparent from the description below, the open position of the door should be as close as possible to that of a hose that a person has. It is configured to approach the height position.

FIG. 3 is an explanatory view showing the internal structure with the fire hydrant door of FIG. 1 removed. Support pipe 1 inside the fire hydrant door
0 and a hose storage frame 11 are provided, and a shape-retaining hose 12 is stored in the hose storage portion in an inwardly wound state.

FIG. 4 shows the hose housing of FIG. 3 taken out. In this hose accommodating portion, the upper portion of a U-shaped support pipe 10 is fixed in the housing 2, and the hose accommodating frame 11 is attached to the box shape that opens from the side portion of the support pipe 10 to the upper portion. As shown in FIG. 3, the shape-retaining type hose 12 is housed in the housing frame 11 in an internally wound state.

Referring again to FIG. 3, a water supply valve 13 having a water supply plug 13a is provided on the right side of the hose accommodating portion, and a hose is connected to the water supply plug 13a and a handle of the water supply valve 13 is turned to supply water. You can Behind this water valve 13,
As will be explained later, a water supply connection port is provided,
The water supply pipe that is started up from the bottom is connected, and pressurized fire extinguishing water can be supplied from the fire extinguishing pump equipment.

A fire hydrant valve 14 is provided following the water supply valve 13. The fire hydrant valve 14 is wire-connected to a fire hydrant opening lever inside the door which will be clarified later, and the fire hydrant valve 14 can be opened according to the lever operation to supply pressurized fire extinguishing water to the hose 12 side. An automatic pressure regulating valve 15 is provided following the fire hydrant valve 14. A safety valve 16 is provided on the outlet side of the automatic pressure regulating valve 15, and the safety valve 16 is provided when a predetermined pressure is exceeded.
Is activated to drain water.

The end of the hose 12 housed in the hose housing frame 11 on the left side in an inwardly wound state is connected to a pipe passage that follows the safety valve 16. Further, on the right side of the hose housing frame 11, there is provided a shock absorbing damper 18 for absorbing a shock when the fire hydrant door which will be described later is opened. A pump start switch 17 is provided in the housing on the right side of the buffer damper 18, and the pump can be started by manual operation. Two fire extinguishers 19 are housed inside the fire extinguisher door arranged on the left side of the housing 2.

FIG. 5 is a plan view of the internal structure of the fire hydrant apparatus 1 of FIG. 1 with the fire hydrant door 4 open. A buffer damper 18 is provided between the fire hydrant door 4 and the housing 2 so that the fire hydrant door 4 can be smoothly opened. Fire hydrant door 4
Is a hinge 2 with a latch that has a rotation axis centered on the bottom
Supported by 2.

When the fire hydrant door is first opened by operating the handle, the hinge 22 with the latch is, as shown in the side view of FIG. 6, a position 90 degrees open with respect to the fire hydrant door 4a.
It has a latch function that opens to a first position that is diagonally upward and frontward. Further, when the latch 22 of the latched hinge 22 is released at the first open position 90 ° before in FIG.
It can be opened to the second position of the fire hydrant door 4a which is open 0 °.

A fire hydrant valve opening / closing lever 23 is provided on the right side inside the fire hydrant door 4. When the fire hydrant valve opening / closing lever 23 is operated forward, the wire-connected fire hydrant valve 14 of FIG. 3 is switched to the open position. At this time, a pump start-up interlock switch (not shown) provided under the lever
Turns on, and the pump of the fire fighting pump equipment can be started.

When it is desired to stop the discharge of water from the nozzle 21, the fire hydrant valve opening / closing lever 23 may be returned to the initial position shown in the drawing, whereby the fire hydrant valve 14 connected by a wire.
Is switched to the closed position. At the same time, when the lever is returned to the initial position, the pump start interlock switch provided at the lower part of the lever is turned off. Stop the fire pump by operating the switch on the pump control panel installed in the fire pump equipment.

The shape-retaining hose 12 housed in the hose housing frame 11 of the housing 2 in an inwardly wound state is drawn out toward the door through the U-shaped support pipe 10. Furthermore, a connection is made to the nozzle through an inverted U-shaped hose guide 20 provided inside the fire hydrant door 4.

A hose guide 2 provided inside the fire hydrant door 4.
As shown in the side view of FIG. 6, when the fire hydrant door 4 is opened by the handle, it opens to the first position, which is diagonally upward and forward with respect to the second position of the fire hydrant door 4a that is opened 90 °. The height H from the floor of the hose guide 20 provided inside 4 is minimized from the height with which the person holds the hose with nozzle from the fire hydrant device 1 when holding the hose. There is.

Further, the hose guide 20 of the present invention is provided with a telescopic mechanism shown in FIG. In FIG. 7, the hose guide 20 is attached to the fire hydrant door 4 via expansion and contraction mounting portions 25 at both ends of an inverted U-shaped guide arm 24 made of a pipe member. The expansion / contraction mounting part 25 is fixed to the fire hydrant door 4 side, a fixed metal fitting 25a, and a fixed expansion / removal pole 25b which is axially movable forward / backward with respect to the fixed metal fitting 25a. It has a telescopic pole 25c that is stopped.

Therefore, when the hose pulled out through the hose guide 20 is pulled upward, the fixing metal fitting 25 of the telescopic mounting portion 25 is moved as shown in FIG. 8 as the hose moves.
The telescopic poles 25b and 25c extend upward with respect to a, and the height of the hose guide 20 is adjusted to the height of the person holding the hose, thereby reducing the friction of the hose passing through the hose guide 20.

FIG. 9 shows the withdrawal of the hose 12 by the interaction between the expandable telescopic hose guide 20 provided on the fire hydrant door 4 and the support pipe 10 to which the hose housing frame 11 inside the housing located inside is attached. Represents the movement associated with.

When the hose inserted in the hose storage frame 11 in an inwardly wound state is taken out from between the support pipes 10 and further pulled out obliquely upward as shown by an arrow, for example, through the hose guide 20 inside the fire hydrant door 4. Withdrawal
The hose 12 is pulled out while rotating in a closed loop space seen from the front of the hose guide 20 and the support pipe 10.

When the hose is pulled out upward, the expansion and contraction function of the hose guide 20 shown in FIGS. 7 and 8 extends in the moving direction of the hose like the hose guide 20a, whereby the hose guide 20 is extended. The resistance of the hose that rubs against can be reduced, and the hose can be pulled out easily.

Fire extinguishing activities for a fire accident in a tunnel using the fire hydrant device of the present invention will be described below.
It looks like this:

The fire hydrant device 1 of the present invention is installed, for example, at intervals of 50 m in the tunnel. When a fire accident occurs in the tunnel, the fire hydrant device 1 is installed near the fire hydrant device 1. As shown in FIG. 4, the opening / closing handle 4a provided on the fire hydrant door 4 is held and the door is opened to the front.

At this time, if necessary, the push button of the manual transmitter 7a is pressed to notify the disaster prevention center of the occurrence of a fire accident. Response lamp 7 when confirmation is made by the disaster prevention center
You can check the message by blinking c.

When the fire hydrant door 4 is opened by holding the open / close handle 4a, the fire hydrant door stops at the first position before the position of the fire hydrant door 4a opened 90 ° as shown in FIG. 6, and the height of the hose guide 20 rises. Adjust to the height at which the person pulls out the hose. In this state, as shown in FIG. 2, the nozzle 21 mounted inside the fire hydrant door 4 is taken out, and the hose 12 is drawn out toward the fire site.

At this time, even if the hose 12 is pulled out vigorously, the hose is pulled out through the hose guide 20 provided inside the fire hydrant door 4, so that the hose can be prevented from being pulled out from the inner winding state more than necessary. .

When the hose is pulled out upward when it is pulled out, the hose guide 20 extends upward in accordance with the hose withdrawal direction as shown in FIG. , The friction between the hose guide 20 and the hose 12 can be reduced, and the hose can be pulled out with a light force.

When pulling out the hose while holding the nozzle 21, the fire hydrant valve opening / closing lever 23 provided inside the fire hydrant door 4 is operated to the front as shown in FIGS. This turns on the fire pump link switch (not shown),
Water supply for pressurized fire extinguishing starts when the pump in the fire extinguishing pump facility is started.

At the same time, the wire opens the fire hydrant valve 14, whereby the operator extinguishes the fire by pulling out the hose toward the fire site while discharging water from the nozzle 21 in his hand.

When the extinguishing of the fire is completed and the fire is extinguished, the fire hydrant valve opening / closing lever 23 provided in the door is returned to the original state, and the stop switch of the pump control panel of the pump chamber is pressed to stop the fire pump and discharge water. You can stop.

The hoses 12 that have been extinguished are rewound in the hose housing frame 11 inside the housing 2 by an observer in an inward winding state.
At this time, by releasing the latch of the hinge 22 with the latch with respect to the fire hydrant door 4 which is opened to the first position in FIG. 6, the fire hydrant door 4 is opened by 90 ° as shown in the fire hydrant door 4a.
Can be opened in position.

By opening the fire hydrant door 4 to the position opened by 90 ° in this way, the support pipe 10 can be easily inserted into the hose housing frame 11 in the housing 2 as compared with the case where the door is at the first position on the way.
A rewinding operation for accommodating the hose 12 in an inwardly wound state can be performed through the opening portion.

On the other hand, as shown in FIG. 6, when the fire extinguisher door 5 is opened by pulling the open / close handle 5a provided on the left side of the housing 2 of FIG. Angle θ
With the force of a spring, the fire extinguisher inside can be easily taken out even in a low position.

Here, as shown in FIG. 6, the fire hydrant door 4 is set at 90 °.
As the opening / closing mechanism that opens in two stages, the first position on the front side and the second position (hose storage position) opened by 90 °, in addition to the hinge with the latch shown in the above embodiment, for example, a link arm of the buffer damper 18 is used as a door. When locked inside and stopped in the 1st position and opened 90 °, remove this link to
The door may be opened to the position, and an appropriate two-stage door opening structure and mechanism can be applied.

In the above embodiment, the fire hydrant device having a horizontally elongated structure which is miniaturized in the height direction is taken as an example, but the present invention is not limited to this, and the hose is housed in the inner winding state. The fire hydrant device having a structure in which the hose with a nozzle is pulled out through the hose guide inside the door, and the hose withdrawal position is relatively low can be applied as it is.

[0049]

As described above, according to the present invention, the hose guide is provided with a mechanism capable of vertically expanding and contracting according to the movement of the hose, so that the hose withdrawal position is relatively low. Also, the hose can be pulled out easily, and fire fighting can be performed reliably. Also, due to the expansion and contraction structure of the hose guide, it is possible to extend the hose guide when storing the hose and to return the hose to the inner winding state, which facilitates the hose return work.

Further, in the fire hydrant device of the present invention, by stopping the opened fire hydrant door at a position before opening 90 °, the height of the hose guide provided inside the door becomes equal to the height of a person's hose. When approaching, the difference between the height of the hose passing through the hose guide and the height of the hose owned by the person is reduced, which reduces the friction of the hose passing through the hose guide and reduces the withdrawal force to ensure reliable fire fighting. it can.

Further, when the hose is stored, the fire hydrant door should be 90 °.
The hose can be stored easily because it can be opened to the fully open position.

[Brief description of drawings]

FIG. 1 is a front view of a fire hydrant device according to the present invention.

FIG. 2 is an explanatory view of an installation example of a fire hydrant device according to the present invention in a tunnel.

3 is an explanatory view of the internal structure of the fire hydrant device of FIG. 1 with the door removed.

FIG. 4 is an explanatory diagram showing a hose accommodating portion inside a housing.

5 is a plan view of the internal structure of the fire hydrant device of FIG. 1 with the door open.

6 is a side view of FIG.

FIG. 7 is an explanatory diagram of a hose guide provided inside the door.

FIG. 8 is an explanatory view of a state where the hose guide is extended.

FIG. 9 is an explanatory view of the action of the hose guide according to the present invention when the hose is pulled out.

FIG. 10 is an explanatory view of a conventional fire hydrant device.

[Explanation of symbols]

1: Fire hydrant device 2: Case 3: Stand 4: Fire hydrant door 4a, 5a: open / close handle 5: Fire extinguisher door 6: Fire extinguisher upper door 7a: Manual transmitter 7b: Red indicator light 7c: Response lamp 8: Side wall of tunnel 9a: passage 9b: road surface 10: Support pipe 11: Hose storage frame 12: Hose 13: Water supply valve 14: Fire hydrant valve 15: Automatic pressure regulator 16: Safety valve 17: Pump start switch 18: Buffer damper 19: Fire extinguisher 20: Hose guide 21: Nozzle 22: Hinge with latch 23: Fire hydrant valve open / close lever 24: Guide arm 25: Telescopic mounting part 25a: Fixing bracket 25b, 25c: Telescopic pole

Claims (4)

[Claims] Claims: 1. A fire hydrant device in which a hose with a nozzle is housed inside a housing and the door is opened to extinguish the hose with a nozzle to extinguish the fire when a fire is extinguished. A fire hydrant device, comprising: a hose guide to be inserted, and an expansion / contraction mechanism for vertically expanding and contracting the hose guide according to a pulling direction of the hose. 2. A fire hydrant apparatus for accommodating a hose with a nozzle wound inside a housing, and opening the door of the housing to pull out the hose with a nozzle to extinguish a fire when a fire is extinguished. A fire hydrant device, comprising: a hose guide to be inserted, and a door opening / closing mechanism for opening the door to a predetermined diagonally upward position before opening the door 90 degrees. 3. The fire hydrant device according to claim 2, wherein the door opening / closing mechanism is opened to a hose storage position which is further opened 90 degrees in addition to the predetermined diagonally upward position. 4. The fire hydrant device according to claim 2 or 3, further comprising an expansion / contraction mechanism for vertically expanding and contracting the hose guide in accordance with a hose withdrawal direction.