JP2020093157A - Fire extinguisher box - Google Patents

Abstract

To enable a fire extinguisher to be taken out simply and easily by opening a door of a fire extinguisher box from a road side and a supervisor passage side, especially, from a supervisor passage.SOLUTION: A fire extinguisher box 20 is embedded and installed in a supervisor passage along a tunnel wall surface and a fire extinguisher 50 is housed inside the fire extinguisher box. In the case of operation from a road side, the fire extinguisher is taken out after a fixation lever 50a of the fire extinguisher 50 is grabbed in a state in which an upper door 32 and a front door 30 are opened. In the case of operation from the supervisor passage, backward opening of the upper door 32 causes a handle 94 to emerge on a rear surface of the upper door 32 and the fire extinguisher 50 housed in a housing basket 90 is taken out after the handle 94 is removed and the fire extinguisher is lifted from an upper door opening via a string 92.SELECTED DRAWING: Figure 9

Description

TECHNICAL FIELD The present invention relates to a fire extinguisher box that is embedded in a guardian passage in a tunnel and has a fire extinguisher stored therein in a freely removable manner.

2. Description of the Related Art Conventionally, emergency equipment is installed in tunnels such as highways and motorways to protect people and vehicles from a fire accident that occurs in the tunnel.

As such emergency equipment, a fire detector, a manual notification device and an emergency telephone are provided for monitoring and reporting a fire, and a fire hydrant device and a fire extinguisher box are provided for extinguishing the fire and preventing spread of fire. Furthermore, in order to protect the tunnel body from fire, water spray equipment for spraying fire extinguishing water from the water spray head is installed, and the equipment of the emergency equipment is connected to the transmission line from the disaster prevention reception board installed at the monitoring center. Are being monitored and controlled.

For example, a fire hydrant device is installed at intervals of 50 meters along the side wall facing the observer passage in the tunnel, and a hose and a valve equipped with a nozzle at the tip are installed in a housing with a fire hydrant door that can be opened freely. It is stored.

Further, the fire extinguisher box is provided integrally with the fire hydrant device, or is provided alone, and is installed, for example, at intervals of 50 meters along the side wall facing the observer passage provided in the tunnel.

The guardian's passage is provided as a side wall passage about 1 meter higher than the road surface, so that various equipment including the fire extinguisher box installed safely inside the tunnel can be inspected without obstructing the passage of vehicles in the tunnel. It is possible to do.

When a vehicle accident involving a fire occurs, a user such as a driver of the accident vehicle can open the fire extinguisher door of the fire extinguisher box and take out the fire extinguisher to perform the fire extinguishing work.

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 extinguisher box cannot be installed on the wall surface of the tunnel, and it is necessary to install the fire extinguisher box on the side surface (wall surface) of the observer passage.

However, when a fire extinguisher box that opens the door forward is installed in the observer passage as in the conventional case, there is a problem that when the fire extinguisher door opens, it exceeds the building limit and pops out to the road side.

On the other hand, even if this problem could be solved, if the fire extinguisher box was installed along the wall of the observer passage facing the road in the tunnel, a vehicle fire would occur and the vehicle would stop in front of the fire extinguisher door. Then, the stopped vehicle may be an obstacle, and the fire extinguisher door may not be opened to take out the fire extinguisher. Furthermore, even if it can be operated from the observer's aisle, it may be necessary to bend over and reach out to open the fire extinguisher door from the observer's aisle, which may take time to remove the fire extinguisher from the fire extinguisher box. There is also.

The present invention provides a fire extinguisher box capable of easily and easily taking out the fire extinguisher by opening the door of the fire extinguisher box from the road side and the guard aisle side of the tunnel, particularly from the guard aisle side. To aim.

The present invention is a fire extinguisher box installed in a tunnel and storing a fire extinguisher therein,
A front door provided for the front door opening that opens in the front facing the road in the tunnel in the installed state,
Apart from the front door, an upper door provided for the upper door opening that opens on the upper surface facing the upper side in the tunnel,
A door opening and closing mechanism that can open the front door and the upper door by interlocking with each other,
It is characterized by having.

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

The door opening/closing mechanism unlocks the front door and the upper door from each other when the predetermined first door opening operation is performed, and simultaneously opens the front door and the upper door.

Further, the door opening/closing mechanism opens the upper door in conjunction with the opening of the upper door when receiving a predetermined first door opening operation for the upper door.

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

In the installed state, the upper door can be opened forward with the depth side of the front surface as a rotation axis.

Further, the upper door can be opened rearward when the front door is closed with the front side as a rotation axis in the installed state.

Further, the upper door opens rearwardly when it receives a predetermined second door opening operation.

The present invention is a fire extinguisher box installed in a tunnel and storing a fire extinguisher therein,
A front door that is provided for the front door opening that opens in the front facing the road in the tunnel in the installed state, and that opens and closes by sliding in the up and down direction in the installed state,
Separately from the front door, it is provided for the upper door opening that opens on the upper surface facing upward in the tunnel, and in the installed state it can be opened and closed with the depth side from the front as the axis of rotation and open to the front opening. When,
It is characterized by having.

The present invention is a fire extinguisher box installed in a tunnel and storing a fire extinguisher therein,
A front door that is provided for the front door opening that opens in the front facing the road in the tunnel in the installed state, and that opens and closes by sliding in the up and down direction in the installed state,
Separately from the front door, it is provided for the upper door opening that opens on the upper surface facing the upper side in the tunnel, and in the installed state it opens and closes with the front side as the axis of rotation, and an upper door that can be opened rearward,
It is characterized by having.

The fire extinguisher box of the present invention is embedded in the observer passage such that the front door is exposed on the road side and the upper door is exposed on the road surface side of the observer passage in the tunnel.

(Basic effects of the first invention)
INDUSTRIAL APPLICABILITY The present invention is embedded in a guardian passage along a wall surface of a tunnel and has a housing in which a fire extinguisher is housed, a front door opening of the housing on the road side, a fixed door fixed to a lower side and an upper side. A front door equipped with a plurality of slide doors arranged to be slidable in the vertical direction, and an upper door arranged to be openable forward and rearward in the door opening of the fire extinguisher box on the passage surface side of the surveillance personnel. In a tunnel fire extinguisher box equipped with and, as a fire extinguisher take-out structure for taking out the fire extinguisher stored in the housing, a storage basket for detachably storing the bottom side of the fire extinguisher and a storage basket hanging by the hand Since a retractable hanging member that lowers and a handle locking structure that locks the handle to the back surface of the upper door in a detachable manner are provided, when removing the fire extinguisher from the observer passage, open the upper door rearward, A handle locked by the handle locking structure on the back of the upper door appears in front of the road user's eyes, and by removing the handle from the back of the door and pulling it up, the fire extinguishes stored in the storage basket hanging on the handle The fire extinguishing work can be performed by simply and easily taking out the container from the top door opening.

Moreover, since the handle that pulls down the storage basket containing the fire extinguisher is pulled up, it is possible to reliably prevent an erroneous operation such as putting a finger into the ring-shaped safety pin arranged on the upper part of the fire extinguisher and pulling it out.

When taking out the fire extinguisher from the road side, open the upper door forward, and if the front door slides down and is opened accordingly, the handle and the hanging member of the storage basket will be the handle on the back of the upper door. By the locking structure, the fire extinguisher can be easily and easily taken out from the front door opening side to perform the fire extinguishing work without being hindered by the handle or the hanging member because the fire extinguisher is moved to the back side of the housing.

(Effects of hanging members)
In addition, since a spiral resin string or a metal wire with a coil spring formed in the middle is provided as a hanging member, when operating from the observer passage, a handle for opening the front door and rear opening The spiral part of the resin string or the coil spring part of the metal wire extends in response to the movement of the handle, and allows the handle to appear in front of the eyes of the road user.

(Effect of handle locking structure 1)
In addition, the handle locking structure is provided in the middle of the ring member and the flexible ring member suspended between the handle and the connecting member arranged on the upper door, and when a predetermined pulling force is applied. Since it is composed of a detachable connecting part that is separated into two parts, pulling the handle that is locked by the ring member on the back surface of the upper door separates the magnetic attraction connecting part of the ring member from the back surface of the back door. The handle can be removed easily and easily, and the fire extinguisher can be taken out with the handle.

(Effect of handle locking structure 2)
Also, because the handle locking structure is a ball catch structure or semi-cylindrical bearing part that detachably locks the handle to the back side of the upper door, the ball check on the back side of the upper door is required when operating from the observer passage. The handle locked by the structure can be easily and easily removed, and the fire extinguisher can be taken out by the handle.

(Effect of the storage basket)
In addition, the storage basket consists of a metal basket main body that opens at the top to store the fire extinguisher, a plurality of resin strings and a plurality of resin-coated metal wires that suspend the basket main body in an annular shape with respect to the handle. Since it is composed of a combined hanging net part, the metal cage body can withstand the weight of a heavy fire extinguisher of about 10 kilograms, and the cage body holds multiple resin strings and multiple strings for the handle. When hanging the fire extinguisher with the handle from the guard passage by hanging it with the hanging net part that combines the resin-coated metal wire of the book, the hanging net that contacts the upper door opening opened by the upper door The sliding of the part is enhanced and the contact resistance is reduced, allowing the fire extinguisher to be removed smoothly with a light force.

(Basic effects of the second invention)
According to another aspect of the present invention, a casing that is embedded in a guardian passage along a wall surface of a tunnel and that houses a fire extinguisher and a front door opening of the casing that is on the road side are fixed to a lower side. Front door with a fixed door and a plurality of slide doors that are vertically slidably openable on the upper side, and the front opening and the rear opening in the door opening of the fire extinguisher box on the side of the surveillance personnel passage. In a fire extinguisher box in a tunnel with freely arranged upper doors, the fire extinguisher take-out structure that takes out the fire extinguisher housed in the case can be rotated in the front-back direction by the rotation axis at the bottom of the case. The pedestal supported on the pedestal, the guide plate erected on the pedestal on the back side of the housing, the handle arranged on the upper part of the guide plate so as to be vertically rotatable and detachable from the guide plate, and the pedestal. A storage basket placed on top and used to store the fire extinguisher, a wire connection between the storage basket and the handle, and a pulling mechanism that pulls up the storage basket along the guide plate by pulling up the handle, and an upper door. A hook member that raises the handle in the horizontal position when the upper door is closed is provided by opening the front door and rear opening, so when removing the fire extinguisher from the observer passage, open the upper door backward to close it. The hook member that was in the horizontal position in this state appeared in front of the eyes of the road user while standing upright, and by pulling up the handle, the storage basket fixed to the slider wire-connected along the guide plate was pulled up. As a result, the fire extinguisher is exposed on the observer's passage, and the exposed fire extinguisher can be easily and easily taken out to perform the fire extinguishing work.

In addition, when pulling up the fire extinguisher, pull up the handle that connects the storage basket with a wire, so it is possible to reliably prevent erroneous operation such as putting your finger in the ring-shaped safety pin located on the top of the fire extinguisher and pulling out. it can.

Also, when taking out the fire extinguisher from the road side, the upper door is opened forward, and when the front door slides down and is opened accordingly, the hook member in the horizontal position in the closed state is erected upward. The fire extinguisher can be easily and easily taken out from the road side by the lever of the fire extinguisher to perform the fire extinguishing work without being disturbed by the hook member.

At this time, the pedestal on which the fire extinguisher is placed pivots forward, and the fire extinguisher is tilted forward, which makes it easier to remove the fire extinguisher from the road side.

(Effect of pulling mechanism)
Further, the pulling mechanism includes a slider member arranged on a side surface of the storage basket, a guide protrusion formed on the back surface of the slider member and fitted and guided in a guide groove formed in the longitudinal direction of the guide plate. Guide rollers that are axially supported on both sides of the slider member and roll on orbits formed on both sides of the guide plate, and are placed at slider stop positions in the middle and upper parts of the orbits formed on the guide plate and above the rollers. The latch mechanism that allows the movement to the bottom and stops the movement downward, and in the closed state of the upper door and the front door, the upper part of the guide plate is tilted toward the rear side of the housing to hold it detachably by magnetic attraction, Since there is a suction holding part that stores the fire extinguisher stored in the storage basket in a state tilted to the back side of the housing, the guide plate is moved to the back side by the suction holding part when the upper door and the front door are closed. The fire extinguisher, which is held in a tilted state and is therefore stored in the housing, is stored in a state that it is tilted to the rear side, and even if the upper and front doors are accidentally opened due to malfunction, etc. Does not jump out to the road side and violates the construction limit, and it is possible to reliably prevent a collision with a traveling vehicle.

(Effect of fire extinguisher box door structure)
In addition, a front door having a fixed door fixed on the lower side and a plurality of slide doors arranged on the upper side so as to be slidable in the vertical direction at the front door opening of the casing on the road side, and an observer. The door opening of the fire extinguisher box on the aisle side is provided with an upper door that can be opened front and rear, and can be opened and closed with the rear edge of the upper door as an axis. Since the rear door is arranged so that it can be opened and closed, the front edge of the upper door can be opened and closed, so that in the event of a fire due to a vehicle accident, the user slides the front door facing the road and opens it. By opening the door before opening in the depth direction, the front upper part and the upper surface of the fire extinguisher box are largely opened, and the fire extinguisher housed in the housing can be easily and easily taken out to extinguish the fire.

Further, the front door is composed of three pieces of a fixed door and at least two slide doors, and when the slide door is slid down and opened, the upper 2/3 area of the fixed door is opened, and the housing is opened. By exposing the upper half of the fire extinguisher housed in the body and ensuring a sufficient door opening area, it is possible to easily take out the fire extinguisher from the road side.

In addition, when the vehicle stops in front of the fire extinguisher box and the user cannot operate from the road side, the user climbs into the observer's aisle and bends down to open the upper door to the road side By doing so, the fire extinguisher can be easily and easily taken out from the inside of the housing to be extinguished without being hindered by the stopped vehicle.

Also, when the upper door opens to the road side, it functions as a fence, so when taking out the fire extinguisher from the upper opening, the risk of the user falling to the road side is avoided, and the fire extinguisher taken out from the inside. It is also possible to prevent the vehicle from dropping on the road side.

(Effect of front opening mechanism and rear opening mechanism)
Further, the upper door includes a front opening mechanism operated by the front opening handle and a rear opening mechanism operated by the rear opening handle, and the front opening mechanism is provided for the front door when the upper door is in the closed position. The upper part is locked and held in the closed position.When the front opening handle is operated, the front door is slid and dropped to open the front surface, and the upper opening is opened by the front opening operation. When the upper door is in the closed position, the rear opening mechanism locks to the housing side and holds it in the closed position.When the rear opening handle is operated in the closed position of the upper door, the rear opening mechanism Since it is possible to open the upper surface by unlocking the upper door by opening the rear side of the upper door, when operating from the road side, lift up the front opening handle located at a position where it can be operated from the road. The front door can be slid open and the upper door can be opened forward.When operating from the aisle passage side, lift up the rear opening handle at a position where it can be operated from the aisle passage. The upper door can be opened rearward, and when a fire occurs due to a vehicle accident, the user can easily and reliably open the front door and/or the upper door by operating the handle according to the situation of the installation location of the fire extinguisher box, You can take out the fire extinguisher to extinguish the fire.

(Effect of detailed structure of front opening mechanism and rear opening mechanism)
Further, the front opening mechanism is arranged at the front portion of the upper door, and the first shaft member taken out on both sides of the handle body without operating the front opening handle is inserted into the rear surface shaft hole of the front door to engage the front door. A first door opening/closing mechanism that is stopped and the first shaft member is pulled out from the rear surface shaft hole by the operation of the front opening handle to release the lock of the upper door; and a second door supported on the lower surfaces of both front ends of the upper door. A second door opening/closing mechanism that axially detachably supports the shaft member by a ball catch mechanism or a semi-cylindrical bearing portion arranged on the housing side, and the rear opening mechanism does not operate the front opening handle. Insert the third shaft member taken out on both sides of the handle body into the housing side shaft hole to lock the upper door in the closed position, and pull the third shaft member out of the housing side shaft hole by operating the rear opening handle. Since the third door opening/closing mechanism that unlocks the upper door and enables rearward opening around the second shaft member of the second door opening/closing mechanism is provided, the first and third door opening/closing mechanisms can be operated by the handle operation. By attaching and detaching the member to the shaft hole on the fixed side, the function of closing and holding the door in the closed position and the function as the rotating shaft of the upper door are realized by one structure, and the mechanism structure is simple. Becomes

In addition, the second door opening/closing mechanism also realizes a closing holding function for locking the upper door at the closed position when the upper door is closed and a function as a rotating shaft when the upper door is opened rearward by one structure. The structure is simple.

Explanatory drawing showing tunnel emergency equipment including a fire extinguisher box installed in a shield tunnel Diagram showing the exterior of the fire extinguisher box together with the fire hydrant storage box Explanatory diagram showing the fire extinguisher box with the top door opened front and the front door slid down and opened Explanatory diagram showing the fire extinguisher box with the top door opened backward Explanatory drawing showing the fire extinguisher storage box from the front and the plane Explanatory drawing showing the front door side of the fire extinguisher box as seen from the inside Explanatory drawing showing in cross section a first door opening/closing mechanism for opening the upper door forward and slidingly opening the front door and a third door opening/closing mechanism for opening the upper door rearward. Explanatory drawing which showed in cross section the 2nd door opening-and-closing mechanism which locks an upper door in a closed position, and opens an upper door back. Explanatory drawing which showed the fire extinguisher box provided with 1st Embodiment of the fire extinguisher taking-out structure by the cross section seen from the side. Explanatory drawing showing a fire extinguisher box equipped with the fire extinguisher take-out structure of FIG. 9 in a cross section seen from the front. Explanatory drawing which took out and showed the handle locking structure in FIG. Explanatory drawing showing an embodiment of a fire extinguisher box provided with a ball check structure as a handle locking structure Explanatory diagram showing an embodiment of a fire extinguisher box provided with a hanging net portion in the fire extinguisher take-out structure Explanatory drawing which showed the fire extinguisher box provided with 2nd Embodiment of the fire extinguisher extraction structure by the cross section seen from the side. Explanatory diagram showing a cross section of the fire extinguisher box having the fire extinguisher take-out structure of FIG. Explanatory drawing which took out and showed the fire extinguisher taking-out structure in FIG. Explanatory drawing which took out and showed the handle locking structure in FIG. Explanatory drawing which took out and showed the guide structure of the slider with respect to the guide plate of FIG. Explanatory drawing which took out and showed the latch mechanism provided in the guide plate of FIG. Explanatory drawing showing the case where the upper door and the front door of the fire extinguisher box of FIG. 14 are opened and the fire extinguisher is taken out from the road side. Explanatory drawing showing the case where the upper door of the fire extinguisher box of FIG.

[Outline of emergency equipment for tunnels]
FIG. 1 is an explanatory view showing an emergency equipment for a tunnel including a fire extinguisher box installed in a tunnel of an automobile road. As shown in FIG. 1, 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 17 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 17, 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 17 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 below the observer passage 14 is used as a management passage 23, and The management passage 23 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 23.

The fire hydrant equipment 16 is installed at every 50 meters in the longitudinal direction of the tunnel 10, and the fire hydrant equipment 16 is provided with a fire hydrant storage box 18 containing a hose and a fire extinguisher box 20 containing, for example, two fire extinguishers. A water discharge control mechanism storage unit 25 is separately installed in the management passage 23 with respect to the fire hydrant storage box 18.

The fire extinguisher box 20 and the fire hydrant storage box 18 are 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 road 15 side. The fire extinguisher box 20 may be arranged separately from the fire hydrant storage box 18, but the following description is based on the case where it is provided integrally with the fire hydrant storage box 18.

[Fire hydrant equipment]
(Exterior structure of fire hydrant storage box)
2 is an explanatory view showing a fire extinguisher box together with a fire hydrant storage box, FIG. 3 is an explanatory view showing a fire extinguisher box in which the upper door is opened forward and the front door is slid and dropped, and FIG. 4 is an upper door. It is explanatory drawing which showed the fire extinguisher box which opened back. In addition, in FIG. 3, illustration of a fire extinguisher take-out structure provided in the housing, which will be made clear later, is omitted.

As shown in FIG. 2, the fire extinguisher box 20 is embedded in the inner space below the road surface of the surveillance staff passage 14. In the fire extinguisher box 20, a front door 30 is provided at the center of the front surface of a housing 31, a fixed door 35 is arranged on the lower side of the front door 30, and two slide doors 36a and 36b are vertically arranged on the fixed door 35. The slide is openable and closable.

Further, an upper door 32 having the same width as the front door 30 is arranged on the upper surface of the fire extinguisher box 20 which is the road surface side of the surveillance staff passage 14. The upper door 32 can have a front opening shown in FIG. 3 and a rear opening shown in FIG.

Here, the front opening indicated by the upper door 32 means that the upper door 32 is opened and closed around the rear edge of the upper door 32 as an axis, as shown in FIG. The rear opening means, as shown in FIG. 4, that the upper door 32 is opened and closed around the front edge of the upper door 32 as an axis.

As shown in FIG. 2, in the normal state, the uppermost slide door 36a of the front door 30 is locked in the closed state by the upper door 32 in the closed state, and when the user operates from the road 15 side. When the front opening handle 34 is opened, the locking of the slide door 36a with respect to the upper door 32 is released, and as shown in FIG. 3, the slide doors 36a and 36b fall to the back side of the fixed door 35 by their own weight and extinguish the fire. By opening the front door opening of the equipment box 20 and opening the upper door 32 forward, the top door opening of the fire extinguisher box 20 is opened.

When the fixed door 35 and the slide doors 36a, 36b are made to have the same height, the front door 30 is opened because the two slide doors 36a, 36b fall on the back side of the fixed door 35 to open the front door 30. 2/3 of the upper side of the front door is opened, and by making the opening area of the front door 30 larger, it is easier to take out the fire extinguisher housed in the housing 31 from the road 15 side. ..

In the present embodiment, the front door 30 is divided into three by the fixed door 35 and the two slide doors 36a and 36, which is a total of three doors, but the front door 30 is opened by further increasing the number of divisions. In such a case, the opening area can be further increased to make it easier to take out the fire extinguisher housed in the housing 31 from the road 15 side.

Further, when the user operates from the observer passage 14 side, when the rear opening handle 38 is opened, the lock of the upper door 32 with respect to the housing 31 is released, and as shown in FIG. Is opened rearward to open the upper door opening of the fire extinguisher box 20.

As shown in FIG. 2, a notification device panel 42 is provided on the front right side of the fire extinguisher box 20. The notification device panel 42 is provided with a red indicator light 44, a transmitter 45, a telephone jack 46 and a response lamp 48. The red indicator lamp 44 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 45 is pressed and the push button switch is turned on, a transmission signal is sent to the fire receiver in the monitoring room and a fire alarm is issued, and in response, a response signal is sent from the fire receiver and the response lamp 48 is turned on, and the red indicator light 44 is blinked.

[Opening and closing mechanism for front and upper doors]
FIG. 5 is an explanatory view showing the fire extinguisher box with the front door and the upper door closed from the front and the plane, FIG. 6 is an explanatory view showing the front door side of the fire extinguisher box as seen from the inside, and FIG. 7 is the upper door. FIG. 8 is an explanatory view showing a functional configuration of a first door opening/closing mechanism that unlocks the door and slides the front door open, and FIG. 8 shows a second door opening/closing that locks the upper door in the closed position and opens the upper door rearward. It is explanatory drawing which showed the mechanism in the cross section.

(Front opening mechanism and back opening mechanism)
As shown in FIGS. 5 to 8, the upper door 32 arranged in the upper door opening of the fire extinguisher box 20 has a front opening mechanism operated by a front opening handle 34 and a rear opening mechanism operated by a rear opening handle 38. It has a mechanism.

The front opening mechanism of the upper door 32 locks the upper part of the slide door 36a located at the uppermost part of the front door 30 by the first door opening/closing mechanism 60 when the upper door 32 is at the illustrated closed position. When the front opening handle 34, which is held at the closed position and is arranged downward at the front edge of the upper door 32, is lifted up (opening operation), the sliding door 36a is unlocked from the upper door 32 to release two sheets. The slide doors 36a and 36b are slid and dropped to the back side of the fixed door 35 to open the front door opening closed by the two slide doors 36a and 36b.

Further, in response to a front opening operation for opening the upper door 32 in the depth direction, the second door opening/closing mechanism 62 releases the lock with the housing 31 side, and the third door opening/closing mechanism arranged on the depth side of the upper door 32. By opening the upper door 32 forward with the axis center line 85 of 64 as the rotation axis, the upper surface is opened.

The rear opening mechanism of the upper door 32 holds the upper door 32 in the closed position by locking the upper door 32 to the housing 31 side by the third door opening/closing mechanism 64 when the upper door 32 is in the closed position. When the rear opening handle 38 provided on the rear edge side of 32 is operated, the locking with the housing 31 side is released, and the first door opening/closing mechanism 60 and the second door arranged on the front edge side of the upper door 32. The upper surface of the opening/closing mechanism 62 is opened by rearwardly opening the upper door 32 with the axis 75 of the opening/closing mechanism 62 as the axis of rotation.

(First door opening/closing mechanism)
As shown in FIG. 5 to FIG. 7, the first door opening/closing mechanism 60 arranged at the upper center of the uppermost slide door 36 a of the front door 30 and the center of the front edge of the upper door 32 is provided on the back side of the front opening handle 34. A shaft member (first shaft member) 66 is projected to both sides from the handle body 34a, and a tip of the shaft member 66 is inserted into a shaft hole 68a of a bearing portion 68 fixed to the back surface of the slide door 36a. As a result, the slide door 36a is locked to the upper door 32 and held at the closed position.

The slide door 36b located below the slide door 36a is connected so as to be hung on the back side of the slide door 36a when the slide door 36a is locked to the upper door 32 and held in the closed position. , Held in the closed position.

When the front opening handle 34 is lifted up, the shaft member 66 of the handle main body 34a is pulled inward and is pulled out from the shaft hole 68a of the bearing portion 68, whereby the locking of the slide door 36a is released and the slide doors 36a and 36b are separated from each other. While sliding due to its own weight, it falls to the back side of the fixed door 35 and opens the front upper part.

For details of the first door opening/closing mechanism 60, as shown in FIG. 7(A), one end of a pair of bent links 78 is connected at a movement fulcrum 80 in the handle body 34a, and the bending position of the link 78 is rotated. It is fixed to the handle body 34a side as a fulcrum 82, the other end of the link 78 is connected to a fulcrum 86 at the shaft end of the shaft member 66 as a slide fulcrum 84, and a moving fulcrum 80 is upwardly shown by a spring 88 in the drawing. Is urged by.

When the front opening handle 34 is not operated, the force of the spring 88 causes the link 78 to rotate outward, so that the shaft member 66 is fitted into the shaft hole 68a of the bearing portion 68 and slides on the upper door 32. The door 36a is locked.

When the front opening handle 34 is lifted up, as shown in FIG. 7(B), the moving fulcrum 80 moves downward against the spring 88 via a link mechanism (not shown), which causes the link 78 to rotate inward. By moving and pulling the shaft member 66 inward, the tip of the shaft member 66 is pulled out from the shaft hole 68a of the bearing portion 68, the locking of the slide door 36a is released, and the slide door 36a is self-weighted together with the slide door 36b. It slides and falls to open the front door opening.

The first door opening/closing mechanism 60 is not limited to the link mechanism of FIG. 7, and includes a proper link mechanism for pulling the front opening handle 34 up to pull the shaft member 66 inward and pulling it out of the shaft hole of the bearing portion 68. Be done.

(Second door opening/closing mechanism)
As shown in FIG. 5 and FIG. 6, the second door opening/closing mechanism 62 arranged at both ends of the front edge of the upper door 32 floats the shaft member (second shaft member) 72 inside the upper door 32 from the back surface of the door. The shaft member 72 is supported in a cantilever state in this state, and the shaft member 72 is detachable from above with respect to the bearing portion 70 fixed to the housing 31 side.

The second door opening/closing mechanism 62 has the same axis center line 75 as the first door opening/closing mechanism 60, and the axis center line 75 becomes the center of rotation when the upper door 32 is opened rearward.

As shown in detail in FIG. 8 for the second door opening/closing mechanism 62, the shaft member 72 is cantilevered inside the upper door 32 by the support member 73, and when the upper door 32 is in the closed state, the casing 31 side. It is rotatably fitted in the bearing portion 70 fixed to.

The bearing portion 70 is provided with a semi-cylindrical opening bearing member 71 that opens upward, and on the upper side of the opening bearing member 71, a pair of ball catches 77 made of an elastic material such as rubber is arranged. A ball catch mechanism is configured to detachably support the shaft member 72 from above with respect to the member 71.

Further, a slit 79 is formed at the upper end of the slide door 36a, and a gap is formed so that the support member 73 supporting the shaft member 72 can be rotated when the upper door 32 is opened rearward.

It should be noted that the bearing portion 70 is provided with a semi-cylindrical opening bearing member 71 that is open upward without providing the ball catch 77, and the shaft member 72 is detachably received from above by the opening bearing member 71 and is freely rotatable. It may be pivotally supported.

(Third door opening/closing mechanism)
As shown in FIG. 5(B), the third door opening/closing mechanism 64 arranged at the center of the rear edge of the upper door 32 is provided with a shaft member (third member) on both sides from the handle body (not shown) on the back side of the rear opening handle 38. The shaft member 74 is projected, and the tip of the shaft member 74 is inserted into the shaft hole of the bearing member 76 fixed to the inner surface of the rear surface of the housing 31, and the rear edge side of the upper door 32 is located on the housing 31 side. To the closed position.

When the rear opening handle 38 is lifted up (opening operation), the shaft member 74 is pulled inward and is disengaged from the shaft hole of the bearing member 76, whereby the locking of the rear edge side of the upper door 32 is released and the upper door 32 of the upper door 32 is released. The first door opening/closing mechanism 60 and the second door opening/closing mechanism 62 arranged on the front edge side can be opened rearward about the shaft center line 75 (see FIG. 6), thereby opening the upper door opening.

The mechanical structure of the third door opening/closing mechanism 64 that releases the lock of the upper door 32 by lifting up the rear opening handle 38 is the same as the first door opening/closing mechanism 60 shown in FIG. 7.

[First embodiment of fire extinguisher take-out structure]
FIG. 9 is an explanatory view showing a cross section of a fire extinguisher box equipped with the first embodiment of a fire extinguisher take-out structure as seen from a side surface, and FIG. 9(A) shows a closed state of an upper door and a front door. 9B shows a state where the upper door and the front door are opened, and FIG. 9C shows a state where the upper door is opened rearward. 10 is an explanatory view showing a cross section of the fire extinguisher box having the fire extinguisher take-out structure of FIG. 9 as seen from the front, and FIG. 11 is an explanatory view showing the handle locking structure of 9 taken out.

(Fire extinguisher take-out structure that lifts the fire extinguisher)
As shown in FIG. 9(A) and FIG. 10, the fire extinguisher box 20 is provided with a storage basket 90 for detachably storing the bottom side of the fire extinguisher 50 as a first embodiment of the fire hydrant removing structure. The basket 90 is suspended from a handle 94 by a resin string 92 that functions as an elastic suspending member. The handle 94 is composed of a ring member 96 having a detachable connecting portion 98 and a retaining ring 100. It is detachably locked to the back surface of the upper door 32 by a stop structure.

The fire extinguisher 50 is provided with a fixed lever 50a and an operating lever 50b on the top of a cylinder, and the movement of the operating lever 50b is locked by mounting a ring-shaped stopper pin 50c. In normal operation, hold the fixed lever 50a. The fire extinguishing agent can be discharged from the nozzle 50d at the end of the hose by taking out, pulling out the safety pin 50c and pushing down the operation lever 50b. The storage basket 90 has a hollowed-out shape at the position where the nozzle 50d provided at the end of the hose of the fire extinguisher 50 is locked to the cylinder, and the nozzle 50d is inserted into this hollowed-out portion. The orientation of the fire extinguisher 50 is determined.

The string 92 that suspends the storage basket 90 on the handle 94 is provided with a coil-shaped expansion/contraction part in the middle thereof, and can be expanded/contracted with respect to the movement of the handle 94 when the upper door 32 is opened/closed. Instead of the string 92, a metal wire having a coil spring wound in the middle of the coil may be used.

In the handle locking structure, as shown in FIG. 11A, the retaining ring 100 is rotatably suspended from a fixing member 101 fixed to the back surface of the upper door 32, and the retaining ring 100 is provided with a ring member. 96 have been withdrawn.

As shown in FIG. 11(B), the ring member 96 is formed by forming a flexible resin wire into a ring shape, a magnet 98a is fixed to one end, and an iron magnetic body 98b is fixed to the other end. The attachment/detachment connecting portion 98 is realized by attracting the magnetic body 98b to the magnet 98a.

FIG. 11C is another embodiment of the ring member 96, in which a socket 98c having a spherical fitting hole is fixed to one end of a flexible resin wire and a spherical protrusion is provided to the other end. The plug 98d is fixed, and the plug 98d is fitted into the socket 98c to realize the attachment/detachment connecting portion 98.

As shown in FIG. 11A, the ring member 96 is stopped through the ring member 96 by adhering the attachment/detachment connecting portion 98 through the retaining ring 100 and the handle 94 while the attachment/detachment connecting portion 98 is opened. A handle 94 is suspended on the wheel 100.

(Opening the upper door and front door from the road side and taking out the fire extinguisher)
When the road user takes out the fire extinguisher 50 stored in the fire extinguisher box 20 from the road side, as shown in FIG. 3, when the road user lifts up the front opening handle 34, the front door 30 is removed. The locking of the uppermost slide door 36a is released, the slide door 36a slides down together with the slide door 36b due to its own weight, is housed behind the fixed door 35, and the front door 30 is opened.

Subsequently, when the road user performs a front opening operation of opening the upper door 32 in the depth direction, the shaft members 72 arranged on both sides of the front edge of the upper door 32 are pulled out from the bearing portion 70, and the housing 31 side. The front edge side of the upper door 32 is unlocked, and the upper door 32 is opened frontward about the shaft center line 85 by the third door opening/closing mechanism 64 arranged on the depth side, and the upper door opening is opened.

When the opening operation of the upper door 32 and the front door 30 is performed, as shown in FIG. 9B, the upper door 32 is opened along with the front opening of the upper door 32 with the shaft member 74 as the axis center line. The handle 94, which is hung on the rear surface of the retaining ring 100 via the ring member 96, is pulled up to the back side of the housing 31, and as the handle 94 is pulled up, the coil portion of the string 92 is also extended and tilted to the back side to extinguish the fire. Move to a position away from the container 50.

For this reason, the road user does not get hindered by the handle 94 or the string 92, and the inside of the housing 31 is opened through the upper door opening and the front door opening of the fire extinguisher box 20 formed by opening the upper door 32 and the front door 30. It is possible to carry out the fire extinguishing operation by simply holding the fixing lever 50a of the fire extinguisher 50 housed in the front and taking it out forward.

(Operation to open fire door and remove fire extinguisher)
When the road user takes out the fire extinguisher 50 stored in the fire extinguisher box 20 from the side of the observer's passage, the road user bends down from the observer's passage 14 and opens backward, as shown in FIG. When the handle 38 is lifted up, the locking of the rear edge side of the upper door 32 with respect to the housing 31 side is released, and the first door opening/closing mechanism 60 and the second door shown in FIGS. 5 and 6 arranged on the front edge side. The upper door 32 is opened rearward about the common axis center line 75 by the opening/closing mechanism 62, and an upper surface door opening is formed.

When such an upper door 32 is opened rearward, as shown in FIG. 9(C), with the rearward opening of the upper door 32 with the shaft member 72 as the axis center line, a snap ring 100 is formed on the back surface of the upper door 32. The handle 94, which is suspended via the ring member 96, is pulled up to the front side of the housing 31, and as the handle 94 is pulled up, the coil portion of the string 92 is also extended and tilted toward the front side. Appears in front of.

In this state, when the road user pulls the handle 94, the detachable connecting portion 98 of the ring member 96, for example, which is magnetically attracted, is separated, and the handle 94 can be removed from the upper door 32 side.

Subsequently, the road user pulls out the storage basket 90 in which the fire extinguisher 50 is stored by the handle 94 through the string 92, and removes the fire extinguisher 50 from the inside of the housing 31 to perform the fire extinguishing work. You can

In this way, since the fire extinguisher 50 can be pulled up from the inside of the housing 31, it is not necessary to take it out in an unreasonable posture such as putting a hand into the housing 31 through the opening of the upper surface door, and about 10 kilograms. Even a heavy fire extinguisher 50 can be easily and easily taken out by pulling up the handle 94.

In addition, when the fire extinguisher 50 is directly taken out, there is a high possibility that the operator may pull the safety pin 50c provided on the top of the fire extinguisher 50 by pulling it while holding the handle 94. Since it is good, it is possible to reliably prevent an erroneous operation such as pulling out the safety pin 50c.

(Fire extinguisher box with ball check structure)
FIG. 12 is an explanatory view showing an embodiment of a fire extinguisher box provided with a ball check structure as a handle locking structure, and is shown as a part of a cross section viewed from the front.

As shown in FIG. 12(A), the storage basket 90 storing the fire extinguisher 50 is hung from the handle 94 via the two strings 92 having the coil portion, and the space between the handle 94 and the upper door 32 is reduced. A ball check structure 102 is provided as a handle locking structure.

In the ball check structure 102, as shown in FIG. 12B, a ball check main body 104 is provided on the base side of the handle 94, and the ball check main body 104 is pushed by springs 108 on both sides of the central fitting notch. The formed ball 106 is arranged with its tip side exposed. On the other hand, a chuck member 110 is fixed to the back surface of the upper door 32, and ball grooves 112 are formed on both sides of the chuck member 110, so that the ball chuck body 104 on the handle 94 side can be pushed into the chuck member 110. Then, the ball 106 is fitted into the ball groove 112, and the handle 94 is detachably locked to the back surface of the upper door 32.

When the road user takes out the fire extinguisher 50 from the road side, the handle 94 and the string 92 locked by the ball check structure 102 with the front opening of the upper door 32 are retracted to the back side of the housing 31, and the handle is pulled. Without being obstructed by 94 and the string 92, it is possible to easily and easily take out the hand by holding the fixing lever 50a of the fire extinguisher 50 by putting a hand through the top door opening and the front door opening.

Further, when the road user takes out the fire extinguisher 50 from the side of the observer's aisle, the handle 94 locked by the ball check structure 102 on the back surface of the upper door 32 is used for road use as the upper door 32 opens rearward. It appears in front of the person, and by removing the handle 94 and pulling up the fire extinguisher 50, it can be taken out easily and easily.

(Fire extinguisher removal structure with hanging net)
FIG. 13 is an explanatory view showing an embodiment of a fire extinguisher box in which a hanging net portion is provided in a fire extinguisher take-out structure.

As shown in FIG. 13, in the fire extinguisher take-out structure of the present embodiment, similarly to the embodiment of FIG. 9, the handle 94 is detachably locked to the retaining ring 100 on the back surface of the upper door 32 via the ring member 96. However, the difference is that the hanging net portion 114 is provided on the side of the storage basket 90 that is hung on the handle 94 via the string 92 formed in the shape of a coil.

In the hanging net 114, a metal ring 116 and a storage basket 90 formed of a metal wire are connected by a resin-coated metal wire 120 in which four circumferential locations are resin-coated, for example. In the meantime, a vertical net connected by a resin string 118 shown by a broken line is formed.

In the fire extinguisher take-out structure in which the fire extinguisher 50 is hung with the string 92 on the handle 94 through the hanging net 114 formed on the upper side of the storage basket 90 in this manner, the fire extinguisher 50 from the observer passage side. When the fire extinguisher 50 is pulled up by holding the handle 94 to open the upper door 32 rearward, the fire extinguisher 50 may be pulled diagonally upward while applying the fire extinguisher 50 to the opening edge of the upper door opening.

At this time, sliding of the hanging net portion 114 in which the resin string 118 and the resin-coated metal wire 120 are combined with the swing opening edge is enhanced, and the contact resistance is reduced, so that the fire extinguisher 50 can be smoothly taken out with a light force. It becomes possible.

[Second embodiment of fire extinguisher take-out structure]
FIG. 14 is an explanatory view showing a cross section of a fire extinguisher box having a second embodiment of a fire extinguisher take-out structure viewed from the side, and FIG. 16 is an explanatory view showing the fire extinguisher take-out structure shown in FIG. 14, FIG. 17 is an explanatory view showing the handle locking structure shown in FIG. 14, and FIG. FIG. 19 is an explanatory diagram showing the guide structure of the slider with respect to the guide plate, and FIG. 19 is an explanatory diagram showing the latch mechanism provided on the guide plate of FIG.

(Fire extinguisher take-out structure with slide-up mechanism of fire extinguisher)
As shown in FIGS. 14, 15 and 16, a pedestal 130 is disposed in the housing 31 of the fire extinguisher box 20 so as to be rotatable in the front-rear direction by a rotation shaft 132 supported on the bottom. A guide plate 134 is erected behind.

A guide groove 154 is formed in the guide plate 134 in the height direction, and a slider 136 is arranged so as to be vertically movable along the guide groove 154. A storage basket 138 for storing the bottom side of the fire extinguisher 50 is provided in the slider 136. Is fixed.

Tracks 142 are formed as stepped portions on both sides of the guide plate 134, and rollers 140 pivotally supported on both sides of the slider 136 ride on the track 142, and the vertical movement of the slider 136 causes the roller 140 to roll. This makes it possible to perform smoothly.

A latch mechanism 144 is provided at a stop position of the slider 136 above the track 142 and a position in the middle thereof. The latch mechanism 144 allows the roller 140 to pass from below, but prevents the roller 140 from returning downward.

An adsorption support portion 148 arranged on the upper rear surface of the casing 31 is located above the guide plate 134, and is adsorbed and supported by a magnet 156 provided on the adsorption support portion 148.

Further, on the front surface of the guide plate 134 opposed to the suction support portion 148, a handle 146 rotatably provided on a handle base 158 by a shaft 160 is arranged, and is attracted to the guide plate 134 by the magnetic force of the magnet 156. It is fixed.

The slider 136 slidably arranged on the guide plate 134 and the handle 146 are connected by a metal wire 150. The handle 146 is removed, and the storage basket 138 fixed to the slider 136 is pulled up via the metal wire 150. It is possible. Further, the metal wire 150 is connected to the handle 146 through the wire guide 135 arranged on the upper portion of the guide plate 134. The wire guide 135 also functions as a stopper that regulates the pulling position of the slider 136.

As shown in the plan view of FIG. 17A, the handle locking structure includes a guide plate 134 and a handle base 158 by means of a magnet 156 of a suction support portion 148 fixed to the upper rear surface of the housing 31. Is detachably locked by magnetic attraction.

In this handle locking structure, as shown in FIG. 17B, the handle base 158 can be removed from the guide plate 134 by pulling the handle 146, and the guide plate 134 can also be rotated forward. , And can be removed from the adsorption support portion 148.

As shown in FIG. 14, the handle 146 is positioned in the front horizontal direction when the upper door 32 and the front door 30 are closed, and the rear surface of the upper door 32 is different from the front end of the handle 146 which is horizontally positioned. The hook member 152 fixed to is locked from below by the bent portion at the tip. The hook member 152 rotates the handle 146 in the horizontal position in the upright direction when the upper door 32 is moved forward or backward.

Depending on the mounting position of the hook member 152, the handle 146 may not be moved in the upright direction when the upper door 32 is moved by opening the front.

As shown in FIG. 18, the guide structure of the slider 136 with respect to the guide groove 154 of the guide plate 134 is such that a guide protrusion 162 formed behind the slider 136 is slidably fitted in the guide groove 154. A stopper plate 164 is fixed at a position beyond the guide groove 154 of the 162 to prevent the slider 136 from coming out of the guide groove 154.

As shown in FIG. 19, the latch mechanism 144 provided on the track 142 formed on both sides of the guide plate 134 has a wedge shape formed by a shaft pin 170 below a rectangular cutout 168 formed at a predetermined position of the track 142. The lower end of the latch claw 166 is rotatably supported, and the spring 172 wound around the shaft pin 170 holds the latch claw 166 in the illustrated standing position.

The latch mechanism 144 allows the latch pawl 166 to be pushed in as the roller 140 passes along the track 142 from the bottom to the top along the track 142, and allows the roller 140, that is, the slider 136 to pass. When the roller 140 returns from the top to the bottom, the latch claw 166 maintains the illustrated standing state to lock the passage of the roller 140 and stop and hold the slider 136.

Here, as shown in FIG. 14, in a normal state in which the upper door 32 and the front door 30 are closed, the fire extinguisher stored in the storage basket 138 of the pedestal 130 is held by suction by the suction support portion 148 of the guide plate 134. 50 is inclined to the back side of the housing 31, and even if the upper door 32 and the front door 30 are accidentally opened due to malfunction, the fire extinguisher 50 jumps out to the road side and violates the building limit. It is possible to reliably prevent a collision with a moving vehicle.

(Opening the upper door and front door from the road side and taking out the fire extinguisher)
When the road user takes out the fire extinguisher 50 stored in the fire extinguisher box 20 from the road side, when the opening operation of the upper door 32 and the front door 30 is performed, as shown in FIG. With the front opening of the upper door 32 with the axis centerline of the axis, the handle 146 is rotated about the axis 160 by the hook member 152 fixed to the back surface of the upper door 32, and stands up at a position away from the fire extinguisher 50. ..

In this state, when the fixed lever 50a of the fire extinguisher 50 housed in the housing 31 is held and pulled forward, the pedestal 130 pivots forward about the pivot shaft 132, and the pedestal 130 pivots. Along with this, the guide plate 134 also disengages from the suction support 148 and rotates forward, so that the fire extinguisher 50 housed in the housing basket 130 fixed to the slider 136 is also forward like the fire extinguisher 50-1 shown in phantom. Incline.

Therefore, the road user can easily and easily take out the fire extinguishing work by holding the fixed lever of the fire extinguisher 50-1 which is inclined forward.

(Operation to open fire door and remove fire extinguisher)
When the road user takes out the fire extinguisher 50 housed in the fire extinguisher box 20 from the side of the observer, when the upper door 32 is opened rearward, the shaft member 72 is centered on the shaft as shown in FIG. With the rear opening of the upper door 32 formed as a line, the handle 146 is rotated around the shaft 160 by the hook member 152 fixed to the back surface of the upper door 32 so that the handle 146 pops out upward from the top door opening. Standing up, the handle 146 appears in front of the road user.

In this state, when the road user pulls the handle 146, the road user disengages from the magnetically attracted guide plate 134, and pulls the handle 146 upward, so that the storage basket 138 is fixed via the metal wire 150. The fire extinguisher 50 is pulled up by 136.

When the fire extinguisher 50 is pulled up by the handle 146, when the roller 140 of the slider 136 is pulled up to a position beyond the uppermost latch mechanism 144, the fire extinguisher 50 is locked at that position, and the fire extinguisher 50 does not descend even if the handle 146 is released. The fire extinguisher 50 is kept exposed from the door opening, and the fire extinguisher 50 can be easily and easily taken out from the observer passage by holding the fixing lever 50a of the fire extinguisher 50 to perform the fire extinguishing work.

Further, even if the pulling out of the fire extinguisher 50 by the handle 146 is stopped midway, if the fire extinguisher 50 is pulled up to a position beyond the intermediate latch mechanism 144, the fire extinguisher 50 is held at the position of the latch mechanism 144 and held during pulling up. The handle 146 can be lifted again from the state. For this reason, even a weak road user such as a woman or an elderly person can easily and easily pull out the heavy fire extinguisher 50 of about 10 kilograms in a plurality of times so that the fire extinguisher 50 can be easily exposed from the top door opening. Can be raised.

[Modification of the present invention]
(First to third door opening/closing mechanism)
The fire extinguisher take-out structure which lifts the fire extinguisher or raises the fire extinguisher shown in the above embodiment is an example, and the fire extinguisher is taken out from the observer passage side with a handle detachably arranged on the upper door side. If so, an appropriate structure can be applied.

(Door opening and closing structure)
The above-described embodiment is suitable as long as it is a structure in which the front door is unlocked, the front door is unlocked and slides open, and the upper door is opened rearward while the front door is held in the closed position. The structure is included.

(Arrangement of fire extinguisher box)
In the above-mentioned embodiment, the case where the fire extinguisher box for storing two fire extinguishers is arranged on one side of the fire hydrant storage box is taken as an example. However, the fire extinguisher for storing one fire extinguisher on both sides of the fire hydrant storage box. A box may be provided.

(Other)
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 17: Floor slab 18: Fire hydrant storage box 20: Fire extinguisher box 22: Duct 23: Management passage 24: Water supply main 25: Water discharge control Mechanism storage part 30: Front door 31: Housing 32: Upper door 34: Front opening handles 34a, 38a: Handle bodies 36a, 36b: Sliding door 38: Rear opening handle 42: Notification device panel 44: Red indicator light 45: Transmission Device 46: Response lamp 48: Telephone jack 50: Fire extinguisher 60: First door opening/closing mechanism 62: Second door opening/closing mechanism 64: Third door opening/closing mechanism 66, 72, 74: Shaft member 68, 70: Bearing portion 73: Support pieces 75, 85: Shaft center line 76: Bearing member 78: Link 80: Movement fulcrum 82: Rotation fulcrum 84: Slide fulcrum 88: Spring 90, 138: Storage cage 92, 118: String 94, 146: Handle 96: Ring member 98: Attaching/detaching connecting portion 98a: Magnet 98b: Magnetic body 98c: Plug 98d: Socket 100: Retaining ring 102: Ball catch structure 104: Ball catch main body 110: Checking member 114: Hanging net 120: Resin-coated metal wire 130: Pedestal 132: Rotating shaft 134: Guide plate 136: Slider 140: Roller 142: Track 144: Latch mechanism 148: Adsorption support part 150: Metal wire 152: Hook member 154: Guide groove 156: Magnet 158: Handle base 160: Shaft 162: Guide Protrusion 164: Stop Plate 166: Latch Claw 168: Notch 170: Shaft Pin 172: Spring

Claims (11)

A fire extinguisher box installed inside a tunnel and containing a fire extinguisher inside.
A front door provided for a front door opening that is opened on the front surface facing the road in the tunnel in the installed state;
Aside from the front door, an upper door provided for an upper surface door opening that opens on the upper surface facing the upper side in the tunnel,
A door opening/closing mechanism capable of opening the front door and the upper door by interlocking with each other,
Fire extinguisher box characterized by having.
In the fire extinguisher box according to claim 1,
The fire extinguisher box, wherein the door opening/closing mechanism can hold the front door and the upper door at the same time in a closed state by locking the front door and the upper door to each other.
In the fire extinguisher box according to claim 1 or 2,
The door opening/closing mechanism unlocks the front door and the upper door at the same time by unlocking the front door and the upper door when receiving a predetermined first door opening operation. Fire extinguisher box.
In the fire extinguisher box according to claim 3,
The fire extinguisher box, wherein the door opening/closing mechanism opens the front door in conjunction with opening of the upper door when receiving the predetermined first door opening operation for the upper door.
The fire extinguisher box according to any one of claims 1 to 4,
The fire extinguisher box, wherein the front door is opened and closed by sliding in the vertical direction in the installed state.
The fire extinguisher box according to any one of claims 1 to 5,
The fire extinguisher box, wherein the upper door can be opened forward with the depth side of the front side as a rotation axis in the installed state.
The fire extinguisher box according to any one of claims 1 to 6,
The fire extinguisher box, wherein the upper door can be opened rearward when the front door is closed and the front door is a rotation axis in the installed state.
In the fire extinguisher box according to claim 7,
The fire extinguisher box, wherein the upper door is opened rearward when a predetermined second door opening operation is received.
A fire extinguisher box installed inside a tunnel and containing a fire extinguisher inside.
A front door that is provided for a front door opening that is open to the front facing the road in the tunnel in the installed state, and that opens and closes by sliding in the up and down direction in the installed state,
Aside from the front door, it is provided for an upper door opening that opens on the upper surface facing the upper side in the tunnel, and can be opened and closed by opening and closing with the depth side of the front surface as a rotation axis in the installed state. Upper door,
Fire extinguisher box characterized by having.
A fire extinguisher box installed inside a tunnel and containing a fire extinguisher inside.
A front door that is provided for a front door opening that is open to the front facing the road in the tunnel in the installed state, and that opens and closes by sliding in the up and down direction in the installed state,
Separately from the front door, an upper door that is provided for an upper door opening that opens on the upper surface facing the upper side in the tunnel and that opens and closes with the front side as a rotation axis in the installed state and can be opened rearward ,
Fire extinguisher box characterized by having.
The fire extinguisher box according to any one of claims 1 to 10,
A fire extinguisher box, which is embedded in the observer passage such that the front door is exposed on the road side and the upper door is exposed on the road surface side of the observer passage in the tunnel.

Images