JP6955600B2 - Fire hydrant device - Google Patents

Description

The present invention relates to a fire hydrant device that pulls out a hose with a nozzle to release fire extinguishing water or fire extinguishing foam.

Conventionally, a fire hydrant device has been provided as a tunnel emergency equipment installed in a tunnel such as a highway or a motorway, and the fire hydrant device is equipped with a fire hydrant door that can be opened, and a hose with a nozzle at the tip and a fire hydrant valve Contains valves including.

The fire hydrant device is generally installed by being embedded in the tunnel wall surface along the tunnel side wall at intervals of, for example, 50 meters. In the event of a vehicle accident involving a fire, in a tunnel with a guard passage, road users such as the driver of the accident vehicle climb the guard passage by steps installed on the side of the guard passage and tunnel. The fire hydrant door of the fire hydrant device installed on the wall is opened forward and the hose with a nozzle is taken out to extinguish the fire.

The observer passage is provided as a side wall passage that is elevated with respect to the road surface, and it is possible to safely inspect various devices including a fire hydrant device installed in the tunnel without obstructing the passage of vehicles in the tunnel. ..

Also, in a tunnel without a guard passage, users such as the driver of the accident vehicle approach the fire hydrant device installed on the tunnel wall surface, and similarly, open the fire hydrant door forward and hose with a nozzle. I take it out and try to extinguish the fire.

Japanese Unexamined Patent Publication No. 2006-181057 Japanese Unexamined Patent Publication No. 2008-055024 Japanese Unexamined Patent Publication No. 2009-285126

By the way, in an urban tunnel made by a shield method or the like, the fire hydrant device cannot be embedded and installed in the tunnel wall surface, and it is necessary to embed and install the fire hydrant device in the side surface (wall surface) of the observer passage.

However, when a fire hydrant device that opens the door forward like a conventional fire hydrant is installed in the observer passage, there is a problem that when the fire hydrant door opens, it exceeds the building limit and jumps out to the road side.

On the other hand, even if this problem can be solved, if the fire hydrant device is embedded and installed along the wall surface of the observer passage facing the road in the tunnel, if a vehicle fire occurs and the vehicle stops in front of the fire hydrant door, The stopped vehicle may get in the way and the fire hydrant door may not open and the hose may not be pulled out. Further, even if it can be operated from the observer passage, it is necessary to bend down and reach out to open the fire hydrant door from the observer passage, which may take time to operate the fire hydrant device.

An object of the present invention is to provide a fire hydrant device that can be easily and easily handled from the road side and the observer passage side.

(Fire hydrant device )
The present invention is a fire hydrant device installed in a tunnel and accommodating a hose inside a housing .
In the installed state, the front door provided for the front door opening that opens on the front facing the road in the tunnel, and the front door
Separately from the front door, a first upper door that is provided for the first upper door opening that opens on the upper surface facing the upper side in the tunnel and can be opened rearward, and
Separately from the front door, a second upper door that is provided for the second upper door opening that opens on the upper surface of the first upper door that faces the upper side in the tunnel and can be opened forward, and
It is characterized by being equipped with.

(Fire hydrant device 2 )
The present invention is a fire hydrant device installed in a tunnel and accommodating a hose inside a housing.
In the installed state, the front door provided for the front door opening that opens on the front facing the road in the tunnel, and the front door
Separately from the front door, the upper door provided for the upper door opening that opens on the upper surface facing the upper side in the tunnel, and
A door opening / closing mechanism that allows both the front door and the upper door to be opened with a single opening operation.
Equipped with a,
The upper door is characterized in that it can be opened by opening the door in conjunction with the front door by a door opening / closing mechanism and opening the front door in a closed state without interlocking with the front door.

It is embedded and installed in the observer passage so that the front door is exposed on the road side and the upper surface is exposed on the road surface side of the observer passage in the tunnel.

The door opening / closing mechanism can hold the front door and the upper door in the closed state at the same time by locking the front door and the upper door to each other.

When the door opening / closing mechanism receives a predetermined first door opening operation, the front door and the upper door are released from each other, and the front door and the upper door are opened at the same time in conjunction with each other.

When the door opening / closing mechanism receives a predetermined first door opening operation with respect to the upper door, the door opening / closing mechanism opens the front door in conjunction with the opening of the upper door.

The front door opens and closes by sliding in the vertical direction in the installed state.

When the upper door is opened in conjunction with the front door, the upper door can be opened forward in the installed state with the depth side as the rotation axis as the rotation axis.

Upper door, when opened without conjunction with the front door, can be opened to open the rear in a closed state of the front door and the front side as a rotation axis in the installed state.

The upper door opens rearward when it receives a predetermined second door opening operation.

(Basic effect)
The present invention relates to a fire extinguisher storage box in which a hose with a nozzle is housed inside a housing embedded in the first surface of the first surface and the second surface having different heights. The door opening formed on the front surface of the housing on the surface side, the front door arranged so as to slide open and close in the vertical direction, and the first upper surface door opening formed on the upper surface of the housing on the first surface side. The first upper door, which is pivotally supported by the front edge corner of the housing as an axis, and the second upper door opening, which is formed in the first upper door, can be freely opened by the rear edge of the door. Since the second upper door is provided on the shaft, the user can freely take out the hose with a nozzle from both the first surface and the second surface. In particular, when a fire breaks out due to a vehicle accident in a tunnel, the user operates the front door from the road side to slide the front door facing the road to open it and open the upper door in the depth direction. Therefore, the front door opening and the second upper door opening of the fire hydrant storage box are opened, and the hose with a nozzle can be easily and easily pulled out from the hose storage portion to extinguish the fire.

If the vehicle stops in front of the fire hydrant and the user cannot operate from the road side, the user climbs the aisle, bends down, and operates the rear-opening handle to move the first upper door to the road side. By performing the opening operation after opening, the first upper door opening is opened without being obstructed by the stopped vehicle.
The hose with a nozzle can be easily and easily pulled out from the hose storage unit to extinguish the fire.

In addition, since the first upper door functions as a fence when it opens backward to the road side, there is a risk that the user will fall to the road side when pulling out the hose with the nozzle from the first upper opening. It is also possible to prevent the nozzle taken out from the inside from being dropped on the road side.

(Effect of the rear opening mechanism of the first upper door)
Further, the first upper door is provided with a rear opening mechanism, and the rear opening mechanism is such that the front edge side of the door is rotatably supported by a hinge at the front edge corner of the housing, and the rear opening handle is arranged on the rear edge side of the door. Since the hinge is used as an axis to open the rear door by operation, the first upper door opens rearward integrally with the second upper door, and the second upper door opening is enlarged on the first surface, for example, the road surface of the observer passage in the tunnel. It can be opened, and the first surface, the hose with a nozzle can be easily and easily pulled out from the observer passage side in the tunnel.

(Effect of the front opening mechanism of the second upper door)
Further, the second upper door is provided with a front opening mechanism, and when the front door is in the closed position, the upper part of the front door is locked and held in the closed position, and the front opening handle is operated. In addition, by unlocking the front door, the front door can be slid down to open the front door opening, and the front door opening of the second upper door can be opened to open the second door opening formed on the first upper door. In the opening mechanism, the handle body of the front opening handle is rotatably supported on the front edge of the second upper door, and the shaft members taken out on both sides of the handle body without operating the front opening handle are the back shafts of the front door. The front door is locked by inserting it into the hole, and the shaft member is pulled out from the back shaft hole by operating the front opening handle to unlock the front door. Therefore, from the second surface, for example, from the road side in the tunnel. When operating, by lifting up the front door that can be operated from the road on the second side of the tunnel, the front door can slide down and open, and the second upper door can be opened forward. The second surface, the hose with a nozzle from the road side in the tunnel, can be pulled out easily and easily.

(Effect of coaxial arrangement of the handle body that is pivotally supported by the second upper door and the axis of the first upper door that is pivotally supported by the corner of the leading edge of the housing)
Further, the axis that pivotally supports the handle body of the front opening handle to the front edge of the second upper door and the axis that pivotally supports the first upper door to the front edge corner of the housing are coaxial. Due to the arrangement, the first upper door is rotatably supported at the front edge corner of the housing by a simple hinge structure (hinge structure), and the first upper door is opened integrally with the first upper door. The handle body of the front opening handle can be pivotally supported on the front edge of the second upper door, and even if the first upper door is opened rearward integrally with the second upper door, the handle body does not move and the front door It enables the rear opening of the first upper door while maintaining the closure by locking.

Explanatory drawing showing tunnel emergency equipment including fire hydrant equipment installed in the tunnel of a motorway Explanatory drawing showing the appearance of the fire hydrant storage box in normal times Explanatory view showing the appearance of the fire hydrant storage box of FIG. 2 from the front and the plane. Explanatory view showing the appearance of the fire hydrant storage box of FIG. 2 from the side Explanatory drawing showing the front opening handle part of the fire hydrant storage box provided with the front opening mechanism. Explanatory drawing showing the mechanical structure of the front opening mechanism which opens the second upper door forward and slides open when the front door falls. Explanatory drawing showing the internal structure of the fire hydrant storage box Explanatory drawing showing the opening operation of the front door and the second upper door when operating from the road side Explanatory drawing showing the opening operation of the first upper door when operating from the observer passage side

[Overview of emergency tunnel equipment]
FIG. 1 is an explanatory diagram showing tunnel emergency equipment including a fire hydrant equipment installed in a tunnel of a motorway. As shown in FIG. 1, the inside of the tunnel 10 constructed by the shield method is covered with a cylindrical tunnel wall surface 12, and a road 15 is provided by being partitioned by a floor slab 18, and in this example, the road 15 is provided. Road 15 has two lanes in one direction.

An observer passage 14 is provided along the tunnel wall surface 12 on the left side of the road 15 partitioned by the floor slab 18, and the internal space below the observer passage 14 is used as a duct 22 and conduits and the like are laid. .. The observer passage 14 has a size of, for example, 90 cm in height and 70 cm in width.

The lower side of the floor slab 18 on which the road 15 is formed is divided into a plurality of sections in the lateral direction of the tunnel. For example, the section located under the observer passage 14 is used as the management passage 20 and also. The management passage 20 is used as an emergency evacuation passage in the event of a fire in the tunnel. A water supply main 24 is laid in the management passage 20.

Fire hydrant equipment 16 is installed every 50 meters in the longitudinal direction of the tunnel 10, and the fire hydrant equipment 16 is separately installed in the fire hydrant storage box 30 in which the hose is stored and the water discharge control mechanism storage unit 26.

The fire hydrant storage box 30 is arranged in a fire hydrant embedding portion that is hollowed out in a box shape over the road surface of the observer passage 14 and the wall surface on the road 15 side. The water discharge control mechanism storage unit 26 is arranged in a management passage 20 below the fire hydrant storage box 30, and a branch pipe branched from the water supply main 24 is drawn in, and fire extinguishing water is supplied to the fire hydrant storage box 30. The water supply pipe 25 has been set up.

[Fire hydrant equipment]
FIG. 2 is an explanatory view showing the appearance of the fire hydrant storage box in a normal state, FIG. 3 is an explanatory view showing the appearance of the fire hydrant storage box of FIG. 2 from the front and a plane, and FIG. 4 shows the appearance of the fire hydrant storage box of FIG. It is explanatory drawing shown from the side.

(Exterior structure of fire hydrant storage box)
As shown in FIGS. 2 to 4, the fire hydrant storage box 30 of the fire hydrant equipment 16 is embedded and installed in the internal space under the road surface of the observer passage 14. In the fire hydrant storage box 30, the front door 32 is slidably arranged in the vertical direction in the front door opening 33 formed on the upper side of the center of the front surface of the housing 31.

Further, a first upper door 34 having the same width as the front door 32 is arranged in the first upper door opening 35 formed in the center of the upper surface on the road surface side of the observer passage 14 of the fire hydrant storage box 30. Further, a second upper door opening 37 is formed in the center of the front side of the first upper door 34, and the second upper door 36 is arranged here.

The first upper door 34 is axially supported on both sides of the front edge of the door by hinges 46 arranged at the front edge corners of the upper part of the housing 31, and as shown in the first upper door 34a of FIG. 4, the hinges 46 It is designed so that it can be opened backwards so that it opens upwards around the center.

The second upper door 36 pivotally supports the trailing edge of the door to the second upper door opening 37 of the first upper door 34 by a hinge 42, and as shown in the second upper door 36a of FIG. 4, the hinge 42 is the center. The front opening that opens upward is possible.

A front opening handle 38 is pivotally supported on the front edge of the second upper door 36 by a hinge 44, and the front opening mechanism provided on the handle body of the front opening handle 38 allows the second upper door 36 to be closed. When the front door 32 is locked in the closed state shown in the figure and the user operates from the road 15 side, when the front opening handle 38 is opened, the front door 32 is locked to the second upper door 36. When released, the front door 32 falls to the back side of the housing 31 due to its own weight to open the front door opening 33, and by opening the second upper door 36 forward, the second upper door opening of the fire extinguisher storage box 30 is opened. Open 37.

Here, the hinge 46 that pivotally supports the first upper door 34 to the front edge corner portion of the housing 31, and the hinge 44 that pivotally supports the front opening handle 38 to the front edge of the second upper door 36 are the axes of both. The wires are arranged so as to be coaxial, and the front opening handle 38 that locks the housing 31 and the front door 32 to the closed position is the fixed side, and the hinges 44 and 46 together with the second upper door 36 are the first. The upper door 34 is pivotally supported so that it can be opened rearward.

A notification device panel 48 is provided at the upper left portion of the front surface of the fire hydrant storage box 30. The reporting device panel 48 is provided with a red indicator lamp 50, a transmitter 52, a response lamp 54, and a telephone jack 55. The red indicator light 50 is constantly lit so that the installation location of the fire hydrant equipment can be seen from a distance. In the event of a fire, when the transmitter 52 is pressed and the push button switch is turned on, the transmission signal is transmitted to the disaster prevention receiver installed in the monitoring room, monitoring center, etc., and a fire alarm is issued. The response lamp 54 is turned on, and the red indicator lamp 50 is further blinked.

[Front opening mechanism]
5A and 5B are explanatory views showing a portion of the front opening handle of the fire hydrant storage box provided with the front opening mechanism, in which FIG. 5 (A) shows the front and FIG. 5 (B) shows FIG. 5 (A). The side view from XX of is shown. FIG. 6 is an explanatory view showing the mechanical structure of the front opening mechanism that opens the second upper door forward and slides it open by dropping the front door. FIG. 6A shows a closed state, and FIG. 6B shows a closed state. Indicates the state in which the front opening handle is opened.

As shown in FIG. 5, the shafts of the front opening mechanism are on both sides of the handle body 38a of the front opening handle 38 pivotally supported by the hinge 44 at the tip of the second upper door 36 arranged on the upper surface of the fire extinguishing plug storage box 30. The member 56 is taken out, and the tip of the shaft member 56 is inserted into the shaft hole of the bearing member 58 arranged on the back side of the front door 32 in the closed state of the second upper door 36, whereby the second upper door 36 is inserted. The front door 32 is locked to 36 and is held in the closed position.

When the front opening handle 38 is lifted up, the shaft member 56 is pulled inward and comes out of the shaft hole of the bearing member 58 to unlock the front door 32, and the front door 32 slides and falls due to its own weight. The front door opening 33 is opened.

As shown in FIG. 6A, in the front opening mechanism 60, one end of a pair of bent links 62 is connected by a moving fulcrum 64 in the handle body 38a, and the bent position of the link 62 is a handle as a rotation fulcrum 66. It is fixed to the main body 38a side, the other end of the link 62 is connected to the fulcrum 68 at the shaft end of the shaft member 56 as a slide fulcrum 70, and the moving fulcrum 64 is further urged upward in the drawing by the spring 72. ing.

When the front opening handle 38 is not operated, the link 62 rotates outward under the force of the spring 72 to fit the shaft member 56 into the shaft hole 58a of the bearing member 58, and the second upper door 36 The front door 32 is locked.

When the front opening handle 38 is lifted up, as shown in FIG. 6B, the moving fulcrum 64 moves downward against the spring 72 via a link mechanism (not shown), whereby the link 62 turns inward. By moving and pulling the shaft member 56 inward, the tip of the shaft member 56 is pulled out from the shaft hole 58a of the bearing member 58, the front door 32 is unlocked, and the front door 32 slides and falls due to its own weight. Then, the front door opening 33 is opened.

The front opening mechanism 60 is not limited to the link mechanism shown in FIG. 6, and includes an appropriate link mechanism that pulls the shaft member 56 inward by lifting up the front opening handle 38 and pulls it out from the shaft hole 58a of the bearing member 58. ..

[Internal structure of fire hydrant storage box]
7A and 7B are explanatory views showing the internal structure of the fire hydrant storage box, FIG. 7A shows the front surface, and FIG. 7B shows a plane seen from the YY cross section of FIG. 7A.

As shown in FIG. 7, the inner lower side of the housing 31 in the fire hydrant storage box 30 is a hose storage portion 74, and the hose 76 having a shape-retaining structure is horizontally stacked and wound inward.

The rectangle seen from the plane of the housing 31 has a width of about 1.4 meters and a depth of about 0.35 meters. Therefore, when the hose 76 is internally wound around the hose storage portion 74, the hose 76 is internally wound. The shape is a rounded rectangle consisting of two parallel lines and two semicircles, and the length of one turn of the hose 76 wound inward in the flat rectangular housing 31 is about 3.5 meters, and the hose length is about 3.5 meters. Since the hose requires 30 meters or more, the hose 76 may be wound inward by stacking 9 turns or more.

Here, the hose 76 internally wound in a rectangular shape with rounded corners in the housing 31 is indicated by parallel wire hose portions 76a and 76c and semicircular hose portions 76b and 76d.

A hose guide structure 80 is provided on the central front surface side of the housing 31 to inwardly deform the parallel hose portion 76a on the front surface side of the hose 76 that is internally wound in a rectangular shape with rounded corners.

In the hose guide structure 80, four guide pipes 80a, 80b, 80c, 80d using metal pipes are erected on the bottom plate 81, and the guide pipes 80a, 80d at both ends are erected along the inner surface of the housing 31. The central guide pipes 80b and 80c are erected apart from each other by a predetermined length, and the hose 76 is wound inward along the guide pipes 80a, 80b, 80c and 80d of the hose guide structure 80 so that the hose 76 is on the front side of the hose 76. The parallel wire hose portion 76a is deformed inward to form a shape close to a gourd shape, and due to this deformation, a repulsive force that tries to spread outward is generated in the deformed parallel wire hose portion 76a of the hose 76.

By providing such a hose guide structure 80, in the hose 76 that is vertically wound in the housing 31, the parallel wire hose portion 76a having rounded corners is deformed inward by the hose guide structure 80. As a result, a repulsive force that tries to spread outward is generated, and a force that presses against the inner wall side of the housing 31 is generated, so that even if the parallel wire hose portions 76a and 76c of the hose 76 that are repeatedly wound inward become long. It is possible to surely prevent it from collapsing inward.

Here, in the hose guide structure 80, the parallel wire hose portion 76a on the front side of the hose 76 is deformed inward, and the parallel hose portion 76c on the back side is not deformed inward, but is deformed inward of the parallel wire hose portion 76a. As a result, the force that tends to spread outward as a whole of the hose 76 increases, and it is possible to reliably prevent the parallel hose portion 76c on the back side that has not been deformed inward from collapsing inward.

Further, when the front door 32 and the second upper door 36 or the first upper door 34 are opened and the hose 76 is pulled out to the outside, a force for pushing out the hose due to deformation of the radial hose portions 76b and 76d of the hose 76. In addition, the parallel wire hose portion 76a of the hose 76 is also deformed inward by the hose guide structure 80 to generate a force for pushing out the hose 76, so that the pulling force of the hose 76 can be reduced.

At the upper part of the hose guide structure 80, guide pipes 82a to 82c and guide pipes are formed so as to surround the inside of the front door opening 33, the first upper surface door opening 35, and the second upper surface door opening 37 shown in FIGS. 1 and 2. The 84a and 84b are arranged, and when the hose 76 is pulled out to the outside, the hose 76 is brought into sliding contact with the guide pipes 82a to 82 or the guide pipes 84a and 84b to prevent the hose 76 from being worn and reduce the hose pulling force.

A foam nozzle 78 connected to the tip of the hose 76 by a nozzle holder 86 is detachably locked on the back surface of the second upper door 36. The nozzle holder 86 of the present embodiment is locked by pivotally supporting the foam nozzle 78 on the back surface of the second upper door 36 and suspending it in a suspended state, and the second upper door 36 is locked on the second upper door 36 of FIG. The second upper door is also when the first upper door 34 is opened in the front as shown in the door 36a, or when the first upper door 34 is integrally opened with the second upper door 36 as shown in the first upper door 34a in FIG. A nozzle holder 86 is locked to the back surface of the door of 36 in a state where the bubble nozzle 78 is suspended.

Therefore, when the second upper door 36 is opened forward or the first upper door 34 is opened rearward together with the second upper door 36, the foam nozzle 78 held in a suspended state on the back surface of the door appears at the upper part of the fire hydrant storage box 30. become.

The position where the bubble nozzle 78 held on the back surface of the door by opening the front of the second upper door 36 appears is in the range of approximately 0.9 to 1.3 meters from the road surface 15, which stands on the road surface 15. Since the foam nozzle 78 appears in front of the user, which corresponds to the range from the waist to the shoulder of the user, the foam nozzle 78 can be easily taken out.

Further, the position where the bubble nozzle 78 held on the back surface of the door when the first upper door 34 is opened rearward appears is in the range of approximately 0.2 to 0.4 meters from the road surface of the observer passage 14, and is monitored. A bubble nozzle 78 appears in front of the user who bends down in the member passage 14 and operates the rear opening handle 40, and the user can easily take out the bubble nozzle 78 from the observer passage 14 side. ..

In addition to the suspension type, the nozzle holder 86 may be a split ring-shaped nozzle holder that is fixed to the back surface of the door and opens to the detachable side to detachably lock the foam nozzle 78.

Further, an operation box is arranged inside the right side of the upper surface opening of the housing 31, a fire hydrant valve opening / closing lever is provided in the operation box, and a manual pilot valve provided inside the operation box is opened / closed. However, the illustration is omitted. When the fire hydrant valve open / close lever is opened, the manual pilot valve is opened, and the fire hydrant valve separately arranged in the water discharge control mechanism storage unit 26 shown in FIG. 1 can be remotely opened.

Further, one or more of the operation box, the manual pilot valve, and the fire hydrant opening / closing lever may be arranged in the empty space secured by the hose guide structure 80. Further, a connecting member between the manual pilot valve and the fire hydrant opening / closing lever and a part of the piping from the manual pilot valve to the fire hydrant valve may be arranged in an empty space.

By arranging appropriate members in the empty space as described above, it is possible to effectively utilize the space of the fire hydrant storage box arranged in the observer passage where the space is limited.

[Operation to open the second upper door and front door from the road side]
FIG. 8 is an explanatory view showing the opening operation of the front door and the second upper door when operating from the road side.

As shown in FIG. 8, when the user operates the fire hydrant storage box 30 from the road side, when the front opening handle 38 is lifted up, the front door 32 is unlocked and the front door 32 slides by its own weight. It falls and the front door opening 33 is opened.

Subsequently, when the user performs a front opening operation of opening the second upper door 36 in the depth direction, as shown in FIGS. 6A and 6B, the shaft members 56 arranged on both sides of the handle body 38a Is extracted from the bearing member 58 on the back surface of the front door 32, the second upper door 36 is opened forward about the hinge 42, and the second upper door opening 37 is opened.

At this time, as shown in FIG. 7A, the nozzle holder 86 arranged on the back side of the second upper door 36 is located in front of the user on the road and is locked to the nozzle holder 86. The foam nozzle 78 appears in front of the user, and the foam nozzle 78 can be easily taken out and the hose 76 can be pulled out.

[Operation to open the upper door from the guard passage side]
FIG. 9 is an explanatory diagram showing an operation of opening the first upper door when operating from the observer passage side.

As shown in FIG. 9, when the user operates the fire hydrant storage box 30 from the observer passage side, when the user bends down from the observer passage and lifts up the rear opening handle 40, the first upper door The lock on the housing 31 side on the trailing edge side of 34 is released, the first upper door 34 is rear-opened around the hinge 46 at the front edge corner portion, and the first upper door opening 35 is opened.

At this time, the second upper door 36 is also opened rearward around the hinge 44 integrally with the first upper door 34, and the front opening handle 38 pivotally supported by the hinge 44 does not move and is provided on the front opening handle 38. The tip of the shaft member 56 of the front opening mechanism 60 shown in FIG. 6 is maintained in a state of being fitted into the shaft hole 58a of the bearing member 58 arranged on the back surface of the front door 32, and the front door 32 is closed. The second upper door 36 is rear-opened integrally with the first upper door 34 while holding the lock.

When the first upper door opening 35 is opened by the rear opening of the first upper door 34, it is locked to the nozzle holder 86 arranged on the back side of the second upper door 36 as shown in FIG. 6 (A). The foam nozzle 78 appears in front of the user who is crouching in the observer passage, and the foam nozzle 78 can be easily taken out and the hose 76 can be pulled out.

[Modification of the present invention]
(Front opening mechanism)
The front opening mechanism of the second upper door shown in the above embodiment is an example, and when the second upper door is in the closed position together with the first upper door, the upper part of the front door is locked and held in the closed position. When the front opening handle is operated, the front door is unlocked to slide down to open the front door opening, and the front opening operation of the second upper door opens the door opening formed in the first upper door. If it is a function that enables the above, an appropriate mechanism is included.

(Foam fire hydrant equipment)
The above embodiment takes as an example a foam fire hydrant facility that discharges fire extinguishing foam, but the present invention is not limited to this, and a fire hydrant facility that discharges fire extinguishing water may be used.

(others)
Although the above embodiment does not mention transmitting a signal when the door is opened, the signal may be transmitted when the door is opened. When the door is opened, it is considered that a fire has occurred, and when it is not a fire, it is considered that the fire hydrant door is opened due to mischief, etc. In either case, it is necessary to take measures. The signal is preferably transmitted to a fire signal or a disaster prevention receiver that manages a fire hydrant, but the signal may be transmitted to an appropriate device. Different signals may be transmitted when the first upper surface door is opened and when the second upper surface door is opened.

The above embodiment takes a tunnel fire hydrant facility as an example, but is not limited to this, and a person walks on two passage surfaces having different heights, for example, on a stage such as a gymnasium or a stage and below. The fire hydrant storage box of the present application can be applied to surfaces having different possible heights and walls in contact with the surfaces.

Further, the present invention includes appropriate modifications that do not impair its purpose and advantages, and is not limited by the numerical values shown in the above embodiments.

10: Tunnel 12: Tunnel wall surface 14: Observer passage 15: Road 16: Fire extinguisher equipment 18: Floor slab 20: Management passage 22: Duct 24: Water supply main pipe 24a: Branch pipe 25: Water supply pipe 26: Water discharge control mechanism storage Part 30: Fire extinguisher storage box 31: Housing 32: Front door 33: Front door opening 34: First upper door 35: First upper door opening 36: Second upper door 37: Second upper door opening 38: Front opening handle 40: Rear opening handles 42, 44, 46: Hinge 48: Notification device panel 56: Shaft member 58: Bearing member 58a: Shaft hole 60: Front opening mechanism 74: Hose storage 76: Hose 78: Foam nozzle 80: Hose guide Structure 80a-80d, 82a-82c, 84a, 84b: Guide pipe 86: Nozzle holder

Claims (10)

A fire hydrant device that is installed in a tunnel and stores a hose inside the housing.
In the installed state, the front door provided for the front door opening opened in the front facing the road in the tunnel, and the front door.
Separately from the front door, a first upper door provided for a first upper door opening opened on the upper surface facing the upper side in the tunnel and capable of rear opening, and a first upper door.
Separately from the front door, a second upper door provided for a second upper door opening opened on the upper surface of the first upper door facing the upper side in the tunnel and capable of front opening, and a second upper door.
A fire hydrant device characterized by being equipped with.
A fire hydrant device that is installed in a tunnel and stores a hose inside the housing.
In the installed state, the front door provided for the front door opening opened in the front facing the road in the tunnel, and the front door.
Separately from the front door, an upper door provided for the upper door opening opened on the upper surface facing the upper side in the tunnel, and
A door opening / closing mechanism that enables both the front door and the upper door to be opened with a single opening operation.
Equipped with a,
The upper door is a fire hydrant device that can be opened by opening the door in conjunction with the front door by the door opening / closing mechanism and opening the front door in a closed state and not interlocking with the front door.
In the fire hydrant device according to claim 1 or 2.
A fire hydrant device that is embedded and installed in the observer passage so that the front door is exposed to the road side and the upper surface is exposed to the road surface side of the observer passage in the tunnel.
In the fire hydrant device according to claim 2,
The door opening / closing mechanism is a fire hydrant device capable of holding the front door and the upper door in a closed state at the same time by locking the front door and the upper door to each other.
In the fire hydrant device according to claim 2 or 4.
When the door opening / closing mechanism receives a predetermined first door opening operation, the front door and the upper door are released from each other, and the front door and the upper door are interlocked with each other. fire hydrant apparatus characterized by releasing at the same time Te.
In the fire hydrant device according to claim 5,
The door opening / closing mechanism is a fire hydrant device that opens the front door in conjunction with the opening of the upper door when the predetermined first door opening operation with respect to the upper door is received.
In the fire hydrant device according to any one of claims 1 to 6.
The front door is a fire hydrant device that opens and closes by sliding in the vertical direction in the installed state.
In the fire hydrant device according to claim 2,
A fire hydrant device characterized in that when the upper door is opened in conjunction with the front door , the upper door can be opened forward in the installed state with the depth side as a rotation axis as a rotation axis.
In the fire hydrant device according to claim 8,
Wherein the door, when open without conjunction with the front door, fire hydrant apparatus characterized by in the installed state can be opened to open the rear in a closed state of the front door and the front side as a rotation axis.
In the fire hydrant device according to claim 9,
The upper door is a fire hydrant device that opens to the rear opening when a predetermined second door opening operation is received.

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