JP6681120B2 - Fire hydrant storage box - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a fire hydrant storage box that draws out a hose with a nozzle to release fire-fighting water or fire-foam.

  Conventionally, fire hydrant devices have been installed as emergency equipment for tunnels to be installed in tunnels such as highways and motorways.The fire hydrant device is equipped with an open fire hydrant door, a hose with a nozzle at the tip, and a fire hydrant valve. Contains valves, including.

  The fire hydrant device is generally installed along the tunnel side wall at intervals of, for example, 50 meters so as to be embedded in the tunnel wall surface. In the event of a vehicle accident involving a fire, in a tunnel with an observer aisle, road users such as the driver of the accident vehicle climb the observer aisle by steps installed on the side of the observer aisle, 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 carry out fire extinguishing work.

  The observer passage is provided as a side wall passage that is raised above the road surface, and it is possible to safely inspect various equipment including the fire hydrant installed in the tunnel without blocking the passage of vehicles in the tunnel. .

  In addition, in a tunnel without a guardian's passage, users such as the driver of an accident vehicle approach the fire hydrant device installed on the wall of the tunnel, and similarly open the fire hydrant door forward and use a hose with a nozzle. I try to take out the fire to take out the fire.

JP, 2006-181057, A JP, 2008-055024, A JP, 2009-285126, A

  By the way, in an urban tunnel made by the shield construction method or the like, the fire hydrant device cannot be embedded in the tunnel wall surface, and the fire hydrant device must be embedded in the side surface (wall surface) of the observer passage.

  However, when a fire hydrant device that opens the door forward, such as 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 to the road side.

  On the other hand, even if this problem can be solved, if the fire hydrant device is embedded 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 be in the way and you may not be able to open the fire hydrant door and pull out the hose. Further, even if it is possible to operate 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 be time-consuming to operate the fire hydrant device.

  It is an object of the present invention to provide a fire hydrant storage box that enables the fire hydrant device to be handled easily and easily from the road side and the guardian passage side.

(Fire hydrant storage box)
The present invention provides a fire hydrant storage box in which a hose with a nozzle is stored inside a housing embedded in the first surface of the first surface and the second surface having different heights.
A front door slidably opened and closed vertically in a door opening formed on the front surface of the housing on the second surface side;
A first upper door rotatably supported in the first upper surface door opening formed on the upper surface of the housing on the first surface side so as to be able to open rearward about a front edge corner portion of the housing;
A second upper door rotatably supported on the second upper surface door opening formed in the first upper door so as to be able to open forward with the door rear edge as an axis;
Is provided.

(Post-opening mechanism of the first upper door)
The front edge side of the first upper door is rotatably supported by a hinge provided at a front edge corner portion of the housing, and is opened rearward about the hinge by an operation of a rear opening handle arranged at the door rear edge side. It has a rear opening mechanism.

(Front opening mechanism of the second upper door)
The second upper door locks the upper portion of the front door when the front door is in the closed position and holds it in the closed position, and when the front opening handle is operated, the second upper door is slid and dropped by unlocking the front door. And a front opening mechanism that allows the front door opening to be opened and the second door opening formed in the first upper door to be opened by a front opening operation of the second upper door.

(Front opening mechanism)
In the front 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 attached to the back surface of the front door. The front door is locked by inserting it into the shaft hole, and the shaft member is pulled out from the rear shaft hole by operating the front opening handle to unlock the front door.

(The center axis of the handle body pivotally supported by the second upper door and the axial center line of the first upper door pivotally supported by the front edge corner of the housing are arranged coaxially.)
The axis line that pivotally supports the handle main body of the front opening handle at the front edge of the second upper door and the axis line that pivotally supports the first upper door at the front edge corner portion of the housing are arranged coaxially. It

(Basic effect)
The present invention provides a fire hydrant storage box in which a hose with a nozzle is stored inside a housing embedded in the first surface of the first surface and the second surface having different heights. A front door that is slidably opened and closed in the vertical direction in a door opening formed on the front surface of the housing that is the surface side, and a first upper surface door opening that is formed on the upper surface of the housing that is the first surface side. , A first upper door pivotably supported rearwardly around the front edge corner of the housing and a second upper surface door opening formed in the first upper door, frontward freely pivotable around the door rear edge Since the second upper door pivotally supported is provided, the user can freely take out the hose with the nozzle from both sides of the first surface and the second surface. In particular, when a fire occurs due to a vehicle accident in a tunnel, the user operates the front opening handle from the road side to slide and drop the front door facing the road to open it and open the upper door in the depth direction. By doing so, the front door opening and the second upper surface door opening of the fire hydrant storage box are opened, and it is possible to easily and easily pull out the hose with a nozzle from the hose storage portion to extinguish a fire.

  Also, when the vehicle stops in front of the fire hydrant and the user cannot operate from the road side, the user climbs into the aisle, bends over and operates the rear opening handle to move the first upper door to the road side. When the opening operation is performed after opening, the first upper door opening is opened, and the hose with a nozzle can be easily and easily pulled out from the hose storage section to extinguish a fire without being hindered by the stopped vehicle.

  In addition, since the first upper door functions as a fence when it opens rearward on the road side, when pulling out the hose with the nozzle from the first upper opening, the risk of the user falling to the road side is avoided, and It is also possible to prevent the nozzle taken out from the inside from dropping on the road side.

(Effect of the rear opening mechanism of the first upper door)
Further, the first upper door includes a rear opening mechanism, and the rear opening mechanism has a door front edge side rotatably supported by a hinge at a front edge corner portion of the housing, and a rear opening handle of a rear opening handle arranged on the door rear edge side. Since the hinge is used to open the door rearward, the first upper door is opened rearward together 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 is possible to open it, and it is possible to easily and easily pull out the hose with a nozzle from the first surface, the side of the observer passage in the tunnel.

(Effect of the front opening mechanism of the second upper door)
Further, the second upper door includes a front opening mechanism, and when the front opening mechanism is in the closed position, the upper portion of the front door is locked and held in the closed position, and the front opening handle is operated. In addition, the front door opening is opened by sliding the front door by unlocking the front door, and the second door opening formed in the first upper door can be opened by the front opening operation of the second upper door. In the opening mechanism, the handle main 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 main body without operating the front opening handle are attached to the rear surface 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 so that the front door is unlocked. If you want to operate the second surface, you can operate from the road in the tunnel By lifting up the front opening handle in the front door, the front door can slide open and open, and the second upper door can be opened forward, and the hose with nozzle from the road side of the second surface and the tunnel can be pulled out. It is possible to do it easily and easily.

(Effect of coaxial arrangement of the handle main body axially supported on the second upper door and the axial center line of the first upper door axially supported on the front edge corner of the housing)
Also, an axis line that pivotally supports the handle main body of the front opening handle to the front edge of the second upper door and an axis line that pivotally supports the first upper door to the corner portion of the front edge of the housing are coaxial. Since it is arranged, the first upper door is rotatably supported at the front edge corner portion of the housing by a simple hinge structure (hinge structure), and is also opened rearward integrally with the first upper door. The handle main body of the front opening handle can be pivotally supported on the front edge of the second upper door, and the handle main body does not move even if the first upper door is opened rearward together with the second upper door. The rear opening of the first upper door is possible while maintaining the closure by the locking.

Explanatory drawing showing tunnel emergency equipment including fire hydrant equipment installed in the tunnel of the motorway Explanatory drawing showing the external appearance of the fire hydrant storage box at normal time Explanatory drawing which showed the external appearance of the fire hydrant storage box of FIG. 2 from the front and the plane. Explanatory drawing showing the external appearance of the fire hydrant storage box of FIG. 2 from the side Explanatory drawing which took out and showed the part of the front opening handle of the fire hydrant storage box provided with the front opening mechanism Explanatory drawing showing the mechanism structure of the front opening mechanism that opens the second upper door forward and slides it open by dropping the front door. 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 side of the observer aisle

[Outline of emergency equipment for tunnels]
FIG. 1 is an explanatory diagram showing a tunnel emergency equipment including a fire hydrant equipment installed in a tunnel of an automobile road. As shown in FIG. 1, the inside of the tunnel 10 constructed by the shield construction method is covered with a cylindrical tunnel wall surface 12 and is partitioned by a floor slab 18 to provide a road 15. In this example, 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 inner space below the observer passage 14 is used as a duct 22 and a conduit or the like is laid. . The observer passage 14 has a height of 90 cm and a width of 70 cm, for example.

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

  The 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 26.

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

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

(Exterior structure of fire hydrant storage box)
As shown in FIGS. 2 to 4, the fire hydrant storage box 30 of the fire hydrant facility 16 is embedded in the internal space below the road surface of the surveillance staff passage 14. In the fire hydrant storage box 30, a front door 32 is slidably arranged in a vertical direction in a front door opening 33 formed in the upper center of the front surface of a housing 31.

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

  The first upper door 34 is pivotally 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. It is designed so that it can be opened backwards by opening upwards.

  The second upper door 36 pivotally supports the rear edge of the second upper door 36 in the second upper door opening 37 of the first upper door 34 by a hinge 42. As shown in the second upper door 36a in FIG. The front is opened so that it opens upward.

  A front opening handle 38 is pivotally supported by a hinge 44 on the front edge of the second upper door 36, and the front opening mechanism provided in 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 the front opening handle 38 when operating from the road 15 side, the front door 32 is locked to the second upper door 36. By being released, the front door 32 falls to the back side of the housing 31 by its own weight to open the front door opening 33, and the first upper door 36 is opened to the front, whereby the second upper surface door opening of the fire hydrant storage box 30 is opened. Open 37.

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

  A notification device panel 48 is provided on 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 light 50, a transmitter 52, a response lamp 54 and a telephone jack 55. The red indicator lamp 50 is always lit so that the location of the fire hydrant equipment can be seen from a distance. In the event of a fire, if the transmitter 52 is pressed and the push button switch is turned on, a transmission signal is sent to the disaster prevention reception panel installed in the monitoring center of the monitoring room, etc., and a fire alarm is issued. The response lamp 54 is turned on and the red indicator lamp 50 is blinked.

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

  As shown in FIG. 5, a shaft of the front opening mechanism is provided on both sides of the handle main 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 hydrant storage box 30. The member 56 is taken out, and in the closed state of the second upper door 36, 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. 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 is disengaged from the shaft hole of the bearing member 58, whereby the front door 32 is unlocked, and the front door 32 slides and falls due to its own weight. To open the front door opening 33.

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

  When the front opening handle 38 is not operated, the force of the spring 72 causes the link 62 to rotate outward, so that the shaft member 56 is fitted into the shaft hole 58a of the bearing member 58, and the second upper door 36 is inserted. The front door 32 is locked.

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

  The front opening mechanism 60 is not limited to the link mechanism shown in FIG. 6, but includes an appropriate link mechanism for pulling the shaft member 56 inward by lifting up the front opening handle 32 and pulling 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 the plane viewed from the YY cross section of FIG. 7A.

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

  The rectangular shape when viewed 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 wound inside the hose storage portion 74, the hose 76 is wound inside. 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 inside the plane rectangular casing 31 is about 3.5 meters. Since the length is required to be 30 meters or more, the hose 76 may be wound 9 turns or more and wound inward.

  Here, the hose 76 wound in a rounded rectangular shape inside the housing 31 is shown by parallel line hose portions 76a and 76c and semicircular hose portions 76b and 76d.

  A hose guide structure 80 for deforming the parallel line portion 76a on the front surface side of the hose 76, which is internally wound into a rounded rectangle in the housing 31, is provided on the center front surface side of the housing 31.

  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 upside inward by a predetermined length, and the hose 76 is internally wound along the guide pipes 80a, 80b, 80c, and 80d of the hose guide structure 80, so that the front side of the hose 76 is The parallel-line hose portion 76a is deformed inward to have a shape close to a substantially gourd shape, and due to this deformation, a repulsive force that tends to spread outward is generated in the deformed parallel-line hose portion 76a of the hose 76.

  By providing such a hose guide structure 80, in the hose 76 that is wound and overlapped in the casing 31, the parallel line hose portion 76a having a rounded rounded corner is deformed inward by the hose guide structure 80. As a result, a repulsive force that tends to spread outward is generated, and a force that presses against the inner wall side of the housing 31 is generated. It is possible to reliably prevent it from collapsing inward.

  Here, the hose guide structure 80 does not deform the parallel line hose portion 76a on the front surface side of the hose 76 inward, and the parallel hose portion 76c on the back surface side does not deform inward, but it deforms inside the parallel line hose portion 76a. As a result, the force of the hose 76 trying to spread outward increases, and it is possible to reliably prevent the parallel hose portion 76c on the rear side that is not 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, the force of pushing the hose due to the deformation of the radius hose portions 76b and 76d of the hose 76. In addition, with respect to the parallel-line hose portion 76a of the hose 76, a force for pushing the hose 76 is generated by the inward deformation of the hose guide structure 80, so that the pulling force of the hose 60 can be reduced.

  In the upper part of the hose guide structure 80, the guide pipes 82a to 82d and the guide pipes are provided so as to surround the insides of the front door opening 33, the first upper surface door opening 35, and the second upper surface door opening 37 shown in FIGS. 84a and 84b are arranged, and when the hose 76 is pulled out to the outside, the guide pipes 82a to 82 or the guide pipes 84a and 84b are slidably contacted to prevent the hose 76 from being worn and to reduce the hose pulling force.

  Further, a foam nozzle 78 connected to the tip of the hose 76 is detachably locked to the back surface of the second upper door 36 by a nozzle holder 86. The nozzle holder 86 of the present embodiment locks the foam nozzle 78 by suspending it in a suspended state by pivotally supporting the foam nozzle 78 on the back surface of the second upper door 36, and the second upper door 36 is fixed to the upper door 36a shown in FIG. If the first upper door 34 is integrally opened with the second upper door 36 as shown in FIG. 4, the first upper door 34a is opened backward as shown in FIG. A nozzle holder 86 locks the foam nozzle 78 in a suspended state on the back surface of the door.

  Therefore, when the second upper door 36 is opened frontward 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 on the upper portion of the fire hydrant storage box 30. become.

  The position at which the foam nozzle 78 held on the back surface of the second upper door 36 opens on the back surface of the second upper door 36 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 bubble nozzle 78 appears in front of the eyes, which corresponds to the range from the waist to the shoulder of the user, the bubble nozzle 78 can be easily taken out.

  Further, the position at which the foam nozzle 62 held on the back surface of the first upper door 34 is opened rearward is in the range of approximately 0.2 to 0.4 meters from the road surface of the surveillance staff passage 14, and is monitored. The foam nozzle 78 appears in front of the user who bends his / her body in the member passage 14 and operates the rearward opening handle 40, and the user can easily take out the nozzle 78 from the monitoring member passage 14 side.

  It should be noted that the nozzle holder 86 may be a split ring-shaped nozzle holder that is fixed to the back surface of the door and is open to the trip side for detachably locking the bubble nozzle 78, in addition to the suspension type.

  Further, an operation box is arranged inside the right side of the upper surface opening of the housing 31, and a fire hydrant valve opening / closing lever is provided in the operation box so that a manual pilot valve provided inside the operation box can be opened / closed. However, the illustration is omitted. When the hydrant valve opening / closing lever is operated to open, the manual pilot valve is opened, and the hydrant valve separately arranged in the water discharge control mechanism housing 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 an empty space secured by the hose guide structure 80. Further, a connection member between the manual pilot valve and the fire hydrant opening / closing lever and a part of piping from the manual pilot valve to the fire hydrant valve may be arranged in an empty space.

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

[Operation of opening the second upper door and the front door from the road side]
FIG. 8 is an explanatory diagram showing an 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 main body 38a. Is removed from the bearing member 58 on the back surface of the front door 32, the second upper door 36 is opened frontward about the hinge 42, and the second upper surface 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 eyes of the user on the road and is locked by the nozzle holder 86. The foam nozzle 78 that appears 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 side of the observer]
FIG. 9 is an explanatory diagram showing an opening operation of the first upper door when operating from the side of the surveillance staff.

  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 is opened. The locking of the rear edge side of the housing 34 to the housing 31 side is released, the first upper door 34 is rearward opened around the hinge 46 at the front edge corner portion, and the first upper surface 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 is provided on the front opening handle 38 without moving. The front end of the shaft member 56 of the front opening mechanism 60 shown in FIG. 6 is kept fitted in the shaft hole 58a of the shaft 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 rearwardly opened integrally with the first upper door 34 while retaining the lock of the above.

  When the first upper door opening 35 is opened by the rear opening of the first upper door 34, as shown in FIG. 6A, it is locked to the nozzle holder 86 arranged on the back side of the second upper door 36. The foam nozzle 78 formed appears in front of the eyes of the user bending over in the guardian's passage, and the nozzle 78 can be easily taken out to pull out the hose 76.

[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 portion of the front door is locked and held in the closed position. Then, when the front opening handle is operated, the front door opening is opened by sliding the front door by releasing the locking of the front door and the door opening formed in the first upper door is opened by the front opening operation of the second upper door. An appropriate mechanism is included as long as it is a function that enables.

(Foam hydrant equipment)
Although the above-mentioned embodiment has illustrated the foam fire hydrant equipment which discharges a fire hydrant, it is not limited to this and may be fire hydrant equipment which discharges fire-fighting water.

(Other)
Although the above embodiment does not mention that the signal is sent when the door is opened, the signal may be sent when the door is opened. When the door is opened, it is considered that there is a fire, and when there is no fire, it is considered that the fire hydrant door is open due to mischief, etc. In any case, it is necessary to take measures. The signal is preferably transmitted to a fire prevention signal and a disaster prevention reception board that manages the fire hydrant, but the signal may be transmitted to an appropriate device. Different signals may be sent when the first top door is opened and when the second top door is opened.

  Although the above-described embodiment has exemplified a fire hydrant for tunnels, the present invention is not limited to this. The fire hydrant storage box of the present invention can be applied to a surface having different possible heights and a wall surface in contact with the surface.

  Further, the present invention includes appropriate modifications that do not impair the object and advantages thereof, 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 hydrant equipment 18: Floor slab 20: Management passage 22: Duct 24: Water supply main 24a: Branch pipe 25: Water supply pipe 26: Water discharge control mechanism storage Part 30: Fire Hydrant 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 housing 76: Hose 78: Foam nozzle 80: Hose guide 80a-80d, 82a-82c, 84a, 84b: Guide pipe 86: Nozzle holder

Claims (5)

In a fire hydrant storage box in which a hose with a nozzle is stored inside a housing embedded in the first surface of the first surface and the second surface having different heights,
A front door that is slidably arranged in a vertical direction in a front door opening formed in the front surface of the housing on the second surface side;
A first upper door rotatably supported on the upper surface door opening formed on the upper surface of the housing on the first surface side so as to be freely opened rearward about a front edge corner portion of the housing;
A second upper door rotatably supported on the door opening formed in the first upper door so as to be able to open forward with the door rear edge as an axis;
Fire hydrant storage box characterized by the provision of.
In the fire hydrant storage box according to claim 1,
The first upper door includes a rear opening mechanism, and the rear opening mechanism has a door front edge side rotatably supported by a hinge at a front edge corner portion of the housing and a rear opening handle arranged on the door rear edge side. The fire hydrant storage box is provided with a rear opening mechanism that opens rearward with the hinge as an axis by the operation of.
In the fire hydrant storage box according to claim 1,
The second upper door includes a front opening mechanism, and when the front door is in the closed position, the front opening mechanism locks the upper portion of the front door to hold the front door in the closed position, and When operated, the front door is slid and dropped by unlocking the front door 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. Fire hydrant storage box that is characterized by being possible.
In the fire hydrant storage box according to claim 3,
In the front opening mechanism, the handle main body of the front opening handle is rotatably supported by the front edge of the second upper door, and the shaft members taken out on both sides of the handle main body without operating the front opening handle. The front door is locked by being inserted into the rear shaft hole of the front door, and the shaft member is pulled out from the rear shaft hole by operating the front opening handle to unlock the upper door. A fire hydrant storage box.
In the fire hydrant storage box according to claim 4,
An axis line that pivotally supports the handle main body of the front opening handle to the front edge of the second upper door and an axis line that pivotally supports the first upper door to the front edge corner portion of the housing are coaxial. Fire hydrant storage box characterized by being arranged like this.

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