JP2018033642A - Fire extinguisher box in tunnel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply and easily take out a fire extinguisher by opening a door of a fire extinguisher box from a road side and a watchman's passage side, especially from the watchman's passage.SOLUTION: A fire extinguisher box 20 is buriedly installed in a watchman's passage along a tunnel wall face, and a fire extinguisher 50 is stored in the inside thereof. When it is operated from a road side, the fire extinguisher 50 is taken out, with a stationary lever 50a thereof held in hand, in a state where an upper door 32 and a front door 30 are opened. When it is operated from the watchman's passage, the upper door 32 is opened rearward, then a handle 94 comes up on the back face of the upper door 32, the handle 94 is removed, and the fire extinguisher 50 stored in a storage basket 90 via a string 92 is pulled out and taken out from an upper door opening.SELECTED DRAWING: Figure 9

Description

  The present invention relates to a fire extinguisher box in a tunnel which is embedded in a monitoring person passage and in which a fire extinguisher is removably stored.

  Conventionally, emergency facilities have been installed in tunnels such as expressways and motorway roads in order to protect people and vehicles from fire accidents that occur in the tunnels.

  As such emergency equipment, a fire detector, a manual notification device and an emergency telephone are provided for fire monitoring and reporting, and a fire hydrant device and a fire extinguisher box are provided for fire extinguishing and fire spread prevention, In addition, in order to protect the tunnel frame from fire, water spraying equipment that sprays water for fire extinguishing from the water spraying head is installed, and the equipment for emergency equipment is connected to the transmission line from the disaster prevention receiver installed in the monitoring center. Monitoring control is performed.

  For example, a fire hydrant device is installed at intervals of 50 meters along a side wall facing a supervisor passage provided in a tunnel, and a hose and valves each equipped with a nozzle at the end are provided in a housing with an open fire hydrant door. It is stored.

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

  The observer passage is provided as a side wall passage that is about 1 meter higher than the road surface, and it is possible to inspect various devices including fire extinguisher boxes that are safely installed in the tunnel without hindering vehicle traffic 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 perform a fire fighting operation by opening the fire extinguisher door of the fire extinguisher box and taking out the fire extinguisher.

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

  By the way, an urban tunnel made by a shield method or the like has a structure in which a fire extinguisher box cannot be embedded and installed in the tunnel wall surface, and the fire extinguisher box needs to be embedded and installed on the side surface (wall surface) of the supervisor.

  However, when a fire extinguisher box that opens the door forward as in the conventional case is installed in the supervisor passage, there is a problem that when the fire extinguisher door is opened, it jumps to the road side beyond the building limit.

  On the other hand, even if this problem can be solved, if a fire extinguisher box is installed along the wall of the guard's passage facing the road in the tunnel, a vehicle fire will occur and the vehicle will stop before the fire extinguisher door Then, there are cases where the stopped vehicle gets in the way and the fire extinguisher door cannot be opened to take out the fire extinguisher. Furthermore, even if it can be operated from the supervisor passage, it is necessary to bend over and reach out to open the fire extinguisher door from the supervisor passage, and it takes time to take out the fire extinguisher from the fire extinguisher box. There is also.

  An object of the present invention is to provide a fire extinguisher box in a tunnel in which a fire extinguisher box can be easily and easily removed by opening a door of the fire extinguisher box from the road side and the supervisor passage side, particularly from the supervisor passage side. And

(Fire extinguisher box in the tunnel of the first invention)
The present invention
A housing embedded in a monitor passage along the tunnel wall and containing a fire extinguisher;
A front door provided with a fixed door fixed to the lower side and a plurality of sliding doors arranged to be slidable in the vertical direction on the upper side at the front door opening of the housing on the road side,
An upper door that is arranged to be openable to the front and rear, at the door opening of the fire extinguisher box that is on the side of the surveillance passageway side,
In a fire extinguisher box in a tunnel equipped with
As a fire extinguisher removal structure to take out the fire extinguisher stored in the housing,
A storage bowl for detachably storing the bottom side of the fire extinguisher,
A telescopic suspension member that hangs the storage basket on the handle;
A handle locking structure that allows the handle to be separated and locked to the back surface of the upper door,
Is provided.

(Hanging member)
As the suspension member, a spiral resin string or a metal wire with a coil spring formed in the middle is provided.

(Handle locking structure 1)
The handle locking structure
A flexible ring member hung between a handle and a connecting member disposed on the upper door;
A detachable connecting portion provided in the middle of the ring member and separated when receiving a predetermined tensile force;
Consists of.

(Handle locking structure 2)
The handle locking structure is a ball catch structure or a semi-cylindrical bearing that detachably locks the handle to the back surface of the upper door.

(Storage bag)
The storage basket is
A metal bowl body opened at the top to store the fire extinguisher,
A hanging net portion in which a plurality of resin strings and a plurality of resin-coated metal wires are hung in an annular shape with respect to a handle.
Consists of.

(Fire extinguisher box in the tunnel of the second invention)
In another form of the present invention,
A housing embedded in a monitor passage along the tunnel wall and containing a fire extinguisher;
A front door provided with a fixed door fixed to the lower side and a plurality of sliding doors arranged to be slidable in the vertical direction on the upper side at the front door opening of the housing on the road side,
An upper door that is arranged to be openable to the front and rear, at the door opening of the fire extinguisher box that is on the side of the surveillance passageway side,
In a fire extinguisher box in a tunnel equipped with
As a fire extinguisher removal structure to take out the fire extinguisher stored in the housing,
A pedestal supported at the bottom of the housing by a pivot shaft so as to be pivotable in the front-rear direction;
A guide plate standing on a pedestal on the back side of the housing;
A handle arranged on the upper portion of the guide plate so as to be rotatable in the vertical direction and detachable from the guide plate;
A storage jar placed on the pedestal and opened upward to store the fire extinguisher,
A pulling mechanism in which a wire is connected between the storage basket and the handle, and the storage basket is pulled up along the guide plate by a pulling operation of the handle,
A hook member that erects a handle in a horizontal position in a closed state of the upper door by front opening and rear opening of the upper door;
Is provided.

(Pulling mechanism)
The pulling mechanism is
A slider member disposed on the side surface of the storage basket;
A guide protrusion formed on the back surface of the slider member and fitted in a guide groove formed in the longitudinal direction of the guide plate to be guided and moved;
A guide roller that is pivotally supported on both sides of the slider member and rolls on a track formed on both sides of the guide plate;
A latch mechanism that is disposed in the middle of the track formed in the guide plate and at the upper slider stop position, and allows the roller to move upward and stop the downward movement;
With the upper and front doors closed, the upper part of the guide plate is tilted toward the rear side of the chassis and held freely by magnetic adsorption, and the fire extinguisher stored in the storage basket is tilted toward the rear side of the chassis A suction holding part to be housed in,
Is provided.

(Front opening and rear opening)
The upper door
As an arrangement that can be opened forward, it can be opened and closed with the rear edge of the upper door as an axis.
As an arrangement that can be opened rearwardly, it can be opened and closed with the front edge of the upper door as an axis.

(Front opening mechanism and rear opening mechanism)
The upper door
A front opening mechanism operated by a front opening handle;
A rear opening mechanism operated by a rear opening handle;
With
The front opening mechanism locks the uppermost sliding door in the front door when the upper door is in the closed position to hold multiple sliding doors in the closed position, and operates the front opening handle. In addition, by unlocking the uppermost sliding door, the plurality of sliding doors are slid and dropped to open the front surface, and the upper door can be opened by opening the front door,
The rear opening mechanism is locked to the housing side when the upper door is in the closed position and is kept in the closed position. When the rear opening handle is operated in the closed position of the upper door, the rear opening mechanism is engaged with the housing side. The stop is released and the upper surface can be opened by the rear opening operation of the upper door.

(Details of front and rear opening mechanisms)
The front opening mechanism
Insert the first shaft member, which is placed on the front part of the upper door and is taken out on both sides of the handle body without operating the front opening handle, into the rear shaft hole of the front door to lock the uppermost sliding door, and A first door opening / closing mechanism for releasing the locking of the uppermost sliding door by pulling off the first shaft member from the back surface shaft hole by operating the opening handle;
A second door opening / closing mechanism for pivotally supporting a second shaft member supported on the back surfaces of both front ends of the upper door detachably upward by a ball catch mechanism or a semi-cylindrical bearing portion disposed on the housing side;
With
The rear opening mechanism inserts the third shaft members taken out on both sides of the handle body by non-operation of the front opening handle into the housing side shaft hole to lock the upper door in the closed position, and operates the rear opening handle to A third door opening / closing mechanism is provided that allows the three-axis member to be pulled out of the housing-side shaft hole to release the upper door from being locked and to be opened rearward around the second shaft member of the second door opening / closing mechanism.

(Basic effects of the first invention)
The present invention is embedded in a monitoring person passage along a tunnel wall surface, housing a fire extinguisher, a front door opening of a housing on the road side, a fixed door fixed on the lower side, and an upper side A front door provided with a plurality of slide doors that are slidably opened and closed in the vertical direction, and an upper door that can be opened forward and rearward at the door opening of the fire extinguisher box on the side of the supervisor passage The fire extinguisher box in the tunnel equipped with a fire extinguisher take-out structure for taking out the fire extinguisher housed in the housing, and a storage basket for detachably storing the bottom side of the fire extinguisher, Because there is a retractable hanging member that lowers and a handle locking structure that allows the handle to be releasably locked to the back surface of the upper door, when taking out the fire extinguisher from the supervisor passage, The handle locked by the handle locking structure on the back of the upper door is the road Take out the fire extinguisher stored in the storage trough hung on the handle easily and easily from the top door opening by removing the handle from the back of the door and pulling it up in front of the user's eyes. Can do.

  Moreover, since the handle pulling down the storage basket in which the fire extinguisher is stored is pulled up, it is possible to reliably prevent an erroneous operation such as putting a finger in and pulling out a ring-shaped safety pin arranged at the top of the fire extinguisher.

  Also, when taking out the fire extinguisher from the road side, if the upper door is opened forward and the front door is slid and opened along with this, the handle and the hanging member of the storage basket will be attached to the handle on the back of the upper door. The fire extinguisher can be easily and easily taken out from the front door opening side and fire extinguishing work can be carried out without being obstructed by the handle or the suspension member.

(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 suspension member, a handle for front opening and rear opening of the upper door when operating from the supervisor passage The spiral portion of the resin string or the coil spring portion of the metal wire is extended with respect to the movement of the metal string so that the handle can appear in front of the road user.

(Effects of the handle locking structure 1)
In addition, the handle locking structure is provided in the middle of the ring member and a flexible ring member hung between the handle and the connecting member disposed on the upper door, and receives a predetermined tensile force Since it is composed of a detachable connecting part separated from the rear door, when the handle locked by the ring member is pulled on the rear surface of the upper door, the magnetic adsorption connecting part of the ring member is separated, so that The handle can be removed easily and easily, and the fire extinguisher can be taken out with the handle.

(Effects of handle locking structure 2)
In addition, the handle locking structure has a ball catch structure or a semi-cylindrical bearing that detachably locks the handle to the back surface of the upper door. The handle locked by the check structure can be easily and easily removed, and the fire extinguisher can be taken out with the handle.

(Effect of storage basket)
In addition, the storage rod has a metallic rod main body opened in the upper part for storing the fire extinguisher, a plurality of resin strings and a plurality of resin-coated metal wires suspended in an annular shape with respect to the handle main body. Because it is composed of a combined hanging net, it can withstand a heavy fire extinguisher weight of about 10 kilograms with a metal fence body. When the fire extinguisher is lifted with a handle from the supervisor passage, the suspension net that comes in contact with the top door opening opened by the top door is suspended by the suspension mesh unit that combines the metal wires coated with resin. The sliding of the part is increased, and the fire extinguisher can be removed smoothly with a light force by reducing the contact resistance.

(Basic effects of the second invention)
In another form of the present invention, it is embedded in a supervisor passage along the tunnel wall surface, and is fixed to the lower side to the housing containing the fire extinguisher and the front door opening of the housing on the road side. The front door with a fixed door and a plurality of slide doors that are slidably opened and closed in the vertical direction on the upper side, and the door opening of the fire extinguisher box on the side of the supervisor passage surface, open front and rear In a fire extinguisher box in a tunnel equipped with a freely arranged upper door, the fire extinguisher take-out structure for taking out the fire extinguisher stored in the housing can be rotated in the front-rear direction by a rotating shaft at the bottom of the housing A pedestal supported by the pedestal, a guide plate standing on the pedestal on the back side of the housing, a handle that is pivotable in the vertical direction on the upper part of the guide plate and detachable from the guide plate, and a pedestal Placed and opened upward to house the fire extinguisher In the closed state of the upper door, the wire is connected between the storage box, the storage box and the handle, the pulling mechanism pulls up the storage box along the guide plate by pulling up the handle, and the front door is opened and opened backward. Since the hook member for standing the handle in the horizontal position is provided, when the fire extinguisher is taken out from the supervisor passage, when the upper door is opened rearward, the hook member that was in the horizontal position in the closed state stood upward. Appearing in front of the road user in the state, pulling up the handle, the storage rod fixed to the slider connected to the wire along the guide plate is pulled up, the fire extinguisher is exposed on the observer passage, exposed The fire extinguisher can be easily and easily taken out and fire extinguishing work can be performed.

  In addition, lifting the fire extinguisher raises the handle that connects the storage basket to the wire, so that it is possible to prevent erroneous operations such as inserting a finger into the ring-shaped safety pin located at the top of the fire extinguisher and pulling it 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 and opens, the hook member that was in the horizontal position in the closed state stood upwards. The fire extinguisher can be easily and easily taken out from the road side by holding the fire extinguisher lever without being disturbed by the hook member.

  At this time, the pedestal on which the fire extinguisher is placed rotates forward and the fire extinguisher is tilted forward, so that the fire extinguisher can be easily taken out from the road side.

(Effects of pulling mechanism)
Further, the pulling mechanism includes a slider member disposed on the side surface of the storage basket, a guide protrusion formed on the back surface of the slider member and fitted in a guide groove formed in the vertical direction of the guide plate, and guided and moved. A guide roller that is pivotally supported on both sides of the slider member and rolls on a track formed on both sides of the guide plate, and is disposed at the slider stop position in the middle and upper part of the track formed on the guide plate. A latch mechanism that allows movement to the lower side and stops downward movement, and the upper part of the guide plate is tilted to the back side of the housing in the closed state of the upper door and the front door, and is held detachable by magnetic adsorption, Since the suction holding part for storing the fire extinguisher stored in the storage bowl in a state inclined to the back side of the housing is provided, the guide plate is attached to the suction holding part in the closed state of the upper door and the front door. The fire extinguisher stored in the housing is held in a tilted state on the back side, so that even if the upper door and the front door are accidentally opened due to a malfunction, etc. The fire extinguisher does not jump out on the road side and does not invade the building limit, and it is possible to reliably prevent a collision with a traveling vehicle.

(Effects of fire extinguisher box door structure)
In addition, a front door having a fixed door fixed to the lower side and a plurality of sliding doors arranged to be slidable in the vertical direction on the upper side at the front door opening of the housing on the road side, and a supervisor The door opening of the fire extinguisher box on the passage side is provided with an upper door that can be opened forward and rearward, and can be opened and closed with the rear edge of the upper door as an axis. Since the rear door can be opened and closed with the front edge of the upper door as an axis, the user can slide open the front door facing the road when a fire occurs due to a vehicle accident. By opening the door before opening in the depth direction, the upper front and upper surfaces of the fire extinguisher box are greatly opened, and the fire extinguisher stored in the housing can be easily and easily taken out to extinguish the fire.

  The front door is composed of a fixed door and at least two sliding doors. When the sliding door is opened by sliding down, the upper 2/3 area of the fixed door is opened. About half of the upper side of the fire extinguisher housed in the body is exposed and a sufficient door opening area is secured, so that it is possible to easily take out the fire extinguisher from the road side.

  In addition, if the vehicle stops in front of the fire extinguisher box and the user cannot operate from the road side, the user climbs up to the surveillance staff passage, leans over and opens the upper door to the road side, and then opens the door. By doing so, the fire extinguisher can be easily and easily removed from the housing without being interrupted by the stopped vehicle.

  In addition, since it functions as a fence when the upper door opens to the road side, when taking out the fire extinguisher from the upper opening, the danger 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 being dropped on the road side.

(Effects of front opening mechanism and rear opening mechanism)
The upper door includes a front opening mechanism that is operated by a front opening handle and a rear opening mechanism that is operated by a rear opening handle. The front opening mechanism is configured so that when the upper door is in the closed position, The upper part is locked and held in the closed position, and when the front opening handle is operated, the front door is opened by sliding it down by unlocking the front door, and the upper door is opened by opening the upper door. The rear opening mechanism is locked to the housing side when the upper door is in the closed position and is held in the closed position. When the rear opening handle is operated in the closed position of the upper door, the rear opening mechanism is The top door can be opened by opening the rear of the upper door by releasing the lock, so when operating from the road side, lift the front opening handle at a position where it can be operated from the road. When the front door slides open The upper door can be opened forward, and when operating from the side of the supervisor passage, the upper door can be opened rearward by lifting the rear opening handle at a position where it can be operated from the supervisor passage. Yes, when a fire occurs due to a vehicle accident, the user should open the front door and / or the upper door easily and reliably by operating the handle according to the situation of the location of the fire extinguisher box, take out the fire extinguisher, and extinguish the fire Can do.

(Effects of detailed structure of front opening mechanism and rear opening mechanism)
The front opening mechanism is arranged at the front part of the upper door, and the first shaft members taken out on both sides of the handle body when the front opening handle is not operated are inserted into the rear shaft holes of the front door to engage the front door. A first door opening / closing mechanism for releasing the locking of the upper door by pulling the first shaft member from the back shaft hole by operating the front opening handle, and a second supported by the lower surfaces of the front door both ends And a second door opening / closing mechanism for pivotally supporting the shaft member detachably upward by means of a ball catch mechanism or a semi-cylindrical bearing portion disposed on the housing side. The third shaft member taken out on both sides of the handle body is inserted into the housing side shaft hole to lock the upper door in the closed position, and the third shaft member is pulled out of the housing side shaft hole by operating the rear opening handle. 3rd door which cancels | releases latching of an upper door and enables rear opening centering on the 2nd shaft member of a 2nd door opening / closing mechanism Since the first and third door opening / closing mechanisms are provided with a closing mechanism, the first and third door opening / closing mechanisms are provided with a closing holding function for locking the door at the closed position by attaching / detaching the shaft member to / from the fixed side shaft hole by the handle operation, and rotation of the upper door The function as a rotating shaft is realized by one structure, and the mechanism structure is simplified.

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

Explanatory drawing showing emergency equipment for a tunnel including a fire extinguisher box installed in a shield tunnel Figure showing the appearance of the fire extinguisher box together with the fire hydrant storage box Explanatory drawing showing a fire extinguisher box with the top door opened and the front door slid and dropped Explanatory drawing showing a fire extinguisher box with the upper door opened rearward Explanatory drawing which showed fire extinguishing storage box from the front and plane Explanatory drawing showing the front door side of the fire extinguisher box as seen from inside Explanatory drawing showing in cross section a first door opening / closing mechanism that opens the upper door forward and slides the front door open and a third door opening / closing mechanism that opens 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 cross section which looked at the fire extinguisher box provided with 1st Embodiment of the fire extinguisher extraction structure from the side Explanatory drawing which showed the cross section which looked at the fire extinguisher box provided with the fire extinguisher extraction structure of FIG. 9 from the front Explanatory drawing which took out and showed the handle latching structure in FIG. Explanatory drawing which showed embodiment of the fire extinguisher box which provided the ball check structure as a handle latching structure Explanatory drawing which showed embodiment of the fire extinguisher box which provided the suspension net part in the fire extinguisher extraction structure Explanatory drawing which showed the cross section which looked at the fire extinguisher box provided with 2nd Embodiment of the fire extinguisher extraction structure from the side Explanatory drawing which showed the cross section which looked at the fire extinguisher box provided with the fire extinguisher extraction structure of FIG. 14 from the front Explanatory drawing which took out and showed the fire extinguisher extraction structure in FIG. Explanatory drawing which took out and showed the handle latching structure in FIG. Explanatory drawing which extracted 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 which showed the case where the upper door and 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 which showed the case where the upper door of the fire extinguisher box of FIG. 14 is opened rearward and the fire extinguisher is taken out from the supervisor passage side

[Outline of tunnel emergency equipment]
FIG. 1 is an explanatory view showing a tunnel emergency facility including a fire extinguisher box installed in a tunnel of an automobile exclusive road. As shown in FIG. 1, the inside of the tunnel 10 constructed by the shield method is covered with a cylindrical tunnel wall surface 12, and a road 15 is provided by being partitioned by a floor slab 17. In this example, The road 15 has two lanes in one direction.

  A supervisor passage 14 is provided along the tunnel wall 12 on the left side of the road 15 partitioned by the floor slab 17, and the inner space below the supervisor passage 14 is used as a duct 22, and a conduit is laid. . The monitoring staff passage 14 has a size of 90 centimeters in height and 70 centimeters in width, 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 tunnel lateral direction. For example, the section located under the supervisor passage 14 is used as a management passage 23. 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.

  A fire hydrant facility 16 is installed at intervals of 50 meters in the longitudinal direction of the tunnel 10. The fire hydrant facility 16 includes a fire hydrant storage box 18 in which a hose is accommodated and a fire extinguisher box 20 in which, for example, two fire extinguishers are accommodated. A water discharge control mechanism storage unit 25 is installed separately from the fire hydrant storage box 18 in the management passage 23.

  The fire extinguisher box 20 and the fire hydrant storage box 18 are arranged in a fire hydrant embedding portion that is penetrated in a box shape over the road surface of the supervisor 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 an example in which it is provided integrally with the fire hydrant storage box 18.

[Fire hydrant equipment]
(External structure of fire hydrant storage box)
FIG. 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 opened, 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 the fire extinguisher extraction structure provided in a housing | casing clarified by later description is abbreviate | omitted.

  As shown in FIG. 2, the fire extinguisher box 20 is embedded and installed in an internal space below the road surface of the supervisor passage 14. The fire extinguisher box 20 is provided with a front door 30 at the center of the front surface of the casing 31, and the front door 30 is provided with a fixed door 35 on the lower side, and two slide doors 36a and 36b are arranged vertically on the front door 30. It is arranged so that it can be opened and closed freely.

  Further, an upper door 32 having the same width as the front door 30 is disposed on the upper surface of the fire extinguisher box 20 on the road surface side of the supervisor passage 14. The upper door 32 can be opened forwardly as shown in FIG. 3 and rearly opened as shown in FIG.

  Here, the front opening shown by the upper door 32 means that the upper door 32 is opened and closed around the rear edge of the depth side of the upper door 32 as shown in FIG. As shown in FIG. 4, “rear opening” means opening and closing around the front edge of the upper door 32 as an axis.

  As shown in FIG. 2, in the normal state, the uppermost sliding door 36a of the front door 30 is locked in the closed state by the upper door 32 in the closed state, and the user operates from the road 15 side. When the front opening handle 34 is opened, the slide door 36a is unlocked from the upper door 32. As shown in FIG. 3, the slide doors 36a and 36b fall to the back side of the fixed door 35 due to their own weight, and the fire is extinguished. The upper door opening of the fire extinguisher box 20 is opened by opening the front door opening of the container box 20 and opening the upper door 32 forward.

  The opening of the front door 30 is because the two sliding doors 36a and 36b are dropped and opened on the back side of the fixed door 35. Therefore, if the fixed door 35 and the sliding doors 36a and 36b have the same height, the front door 30 is opened. 2/3 on the upper side of the door is opened, and the opening area of the front door 30 is enlarged, thereby making it easier to take out the fire extinguisher stored in the housing 31 from the road 15 side. .

  In this embodiment, the front door 30 is divided into three parts by a total of three doors, that is, a fixed door 35 and two slide doors 36a, 36, but the front door 30 is opened by further increasing the number of divisions. In this case, the opening area can be further increased, and the fire extinguisher housed in the housing 31 can be easily taken out from the road 15 side.

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

  As shown in FIG. 3, a reporting device panel 42 is provided on the right front side of the fire extinguisher box 20. The notification device panel 42 is provided with a red indicator lamp 44, a transmitter 45, a telephone jack 46, and a response lamp 48. The red indicator lamp 44 is always lit so that the installation location of the fire hydrant facility can be seen from a distance. In the event of a fire, when the push button switch is turned on by pressing the transmitter 45, a transmission signal is transmitted to the fire receiver in the monitoring room, a fire alarm is issued, and a response signal is sent from the fire receiver accordingly, and a response lamp 48 is turned on and the red indicator lamp 44 is flashed.

[Opening and closing mechanism of front door and upper door]
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 from the inside, and FIG. FIG. 8 is an explanatory view showing a functional configuration of a first door opening / closing mechanism that releases the lock and slides the front door open, and FIG. 8 is a second door opening / closing mechanism 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 rear opening mechanism)
As shown in FIGS. 5 to 6, the upper door 32 disposed 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 operated by a rear opening handle 38. Provide mechanism.

  The front opening mechanism of the upper door 32 is configured such that when the upper door 32 is in the illustrated closed position, the upper portion of the slide door 36a positioned at the uppermost portion of the front door 30 is locked by the first door opening / closing mechanism 60. When the front opening handle 34, which is held in the closed position and is arranged downward on the front edge of the upper door 32, is lifted up (opening operation), the two doors are released by unlocking the slide door 36a with respect to the upper door 32. The sliding doors 36a and 36b are slid and dropped to the back side of the fixed door 35, and the front door opening closed by the two sliding doors 36a and 36b is opened.

  Further, the third door opening / closing mechanism disposed on the depth side of the upper door 32 by releasing the engagement with the housing 31 side by the second door opening / closing mechanism 62 for the front opening operation of opening the upper door 32 in the depth direction. By opening the upper door 32 forward with the axial center line 85 of 64 as the rotation axis, the upper surface is opened.

  When the upper door 32 is in the closed position, the rear opening mechanism of the upper door 32 holds the upper door 32 on the housing 31 side by the third door opening / closing mechanism 64 and holds the upper door 32 in the closed position. The first door opening / closing mechanism 60 and the second door disposed on the front edge side of the upper door 32 are released when the rear opening handle 38 provided on the rear edge side of the door 32 is operated. By opening the upper door 32 rearward with the shaft center line 75 of the opening / closing mechanism 62 as a rotation axis, the upper surface is opened.

(First door opening / closing mechanism)
As shown in FIGS. 4 to 7, the first door opening / closing mechanism 60 disposed at the upper center of the uppermost sliding door 36 a in the front door 30 and the front edge center of the upper door 32 is provided on the back side of the front opening handle 34. A shaft member (first shaft member) 66 protrudes from the handle body 34a on both sides, and the tip of the shaft member 66 is inserted into a shaft hole of a bearing portion 68 fixed to the back surface of the slide door 36a. The sliding door 36a is locked to the upper door 32 by the above and held in the closed position.

  When the slide door 36a is locked to the upper door 32 and held in the closed position, the slide door 36b located on the lower side of the slide door 36a is connected so as to be suspended on the back side of the slide door 36a. 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 comes out of the shaft hole of the bearing portion 68, whereby the locking of the slide door 36a is released, and the slide doors 36a and 36b have their own weights. It slides to the rear side of the fixed door 35 while sliding to open the upper part of the front surface.

  As shown in FIG. 7A, details of the first door opening / closing mechanism 60 are such that one end of a pair of bent links 78 is connected to the handle main body 34a by a moving fulcrum 80, and the bending position of the link 78 rotates. The other end of the link 78 is connected as a slide fulcrum 84 to a fulcrum 86 at the shaft end of the shaft member 66, and the moving fulcrum 80 is upwardly illustrated by a spring 88. Is being energized.

  When the front opening handle 34 is not operated, the link 78 rotates outwardly under the force of the spring 88, so that the shaft member 66 is fitted into the shaft hole of the bearing portion 68, and the slide door is inserted into the upper door 32. 36a is locked.

  When the front opening handle 34 is lifted up, as shown in FIG. 7B, the moving fulcrum 80 moves downward against the spring 88 via a link mechanism (not shown), whereby the link 78 rotates inward. By moving and pulling the shaft member 66 inward, the tip of the shaft member 66 is pulled out from the shaft hole of the bearing portion 68, the locking of the slide door 36a is released, and the slide door 36a slides by its own weight together with the slide door 36b. While falling, open the front door opening.

  The first door opening / closing mechanism 60 is not limited to the link mechanism shown in FIG. 7, and includes an appropriate link mechanism that pulls the shaft member 66 inward by lifting the front opening handle 34 and pulls it off from the shaft hole of the bearing portion 68. It is.

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

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

  The details of the second door opening / closing mechanism 62 are taken out and shown in FIG. 8. The shaft member 70 is cantilevered by a support member 73 inside the upper door 32, and the housing 31 side is closed when the upper door 32 is closed. It is rotatably fitted in a bearing portion 72 that is fixed to the shaft.

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

  In addition, a slit 75 is formed at the upper end of the slide door 36a, and a gap is formed that allows the support member 73 supporting the shaft member 72 to rotate when the upper door 32 is opened rearward.

  The bearing portion 70 is provided with a semi-cylindrical opening bearing member 71 that opens upward without providing the ball catch 77, and the shaft member 72 is detachably received from above by the opening bearing member 71 so as to be rotatable. You may make it support to.

(3rd door opening and closing mechanism)
As shown in FIG. 5B, the third door opening / closing mechanism 64 disposed at the center of the rear edge of the upper door 32 has shaft members (third shaft members) on both sides from the handle body 38a on the back side of the rear opening handle 38. 74 is protruded, and the tip end of the shaft member 74 is inserted into the shaft hole of the bearing member 76 fixed to the back inner surface of the housing 31, and the rear edge side of the upper door 32 is locked to the housing 31 side. And held in the closed position.

  When the rear opening handle 38 is lifted up (opening operation), the shaft member 74 is pulled inward and is released from the shaft hole of the bearing member 76, so that the rear edge side of the upper door 32 is unlocked. 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 around an axis center line 75 (see FIG. 6), thereby opening the upper door opening.

  The mechanism structure of the third door opening / closing mechanism 64 for releasing the locking of the upper door 32 by lifting the rear opening handle 38 is the same as the first door opening / closing mechanism 60 shown in FIG.

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

(Fire extinguisher removal structure for lifting a fire extinguisher)
As shown in FIG. 9 (A) and FIG. 10, the fire extinguisher box 20 is provided with a storage rod 90 for detachably storing the bottom side of the fire extinguisher 50 as a first embodiment of the fire hydrant take-out structure. The hook 90 is suspended from a handle 94 by a resin string 92 that functions as a telescopic suspension member. The handle 94 includes a ring member 96 having a detachable connecting portion 98 and a retaining ring 100. The stopper structure is detachably locked to the back surface of the upper door 32.

  The fire extinguisher 50 is provided with a fixed lever 50a and an operation lever 50b at the top of the cylinder, and the movement of the operation lever 50b is locked by mounting a ring-shaped stopper pin 50c. In normal operation, the fixed lever 50a is held. The fire extinguishing agent can be discharged from the nozzle 50d at the tip of the hose by taking out the safety pin 50c and pushing down the operation lever 50b. The storage rod 90 has a shape in which the nozzle 50d provided at the tip of the hose of the fire extinguisher 50 is locked to the cylinder, and has a shape that is penetrated upward, and the nozzle 50d enters the penetration portion. The direction of the fire extinguisher 50 is determined.

  The strings 92 for suspending the storage basket 90 on the handle 94 are provided with an expansion / contraction portion formed in a coil shape in the middle, 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 formed with a coil spring wound in the middle in a coil shape may be used.

  As shown in FIG. 11A, the handle locking structure is such that a retaining ring 100 is pivotably suspended from a fixing member 101 fixed to the back surface of the upper door 32, and a ring member is attached to the retaining ring 100. 96 has been withdrawn.

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

  FIG. 11C shows 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, thereby realizing the detachable connecting portion 98.

  As shown in FIG. 11A, the link member 96 is stopped via the ring member 96 by passing the retaining ring 100 and the handle 94 to adsorb the attachment / detachment connection portion 98 with the attachment / detachment connection portion 98 opened. A handle 94 is suspended from 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 housed in the fire extinguisher box 20 from the road side, as shown in FIG. The locking of the uppermost slide door 36a is released, the slide door 36a slides down with its own weight together with the slide door 36b, and is stored behind the fixed door 35, and the front door 30 is opened.

  Subsequently, when the road user performs a front opening operation to open 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 extracted from the bearing portion 70, and the housing 31 side The upper door 32 is opened forward and the upper door opening is opened around the axis center line by the third door opening / closing mechanism 64 disposed on the depth side.

  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 door 32 having the shaft member 74 as the axial center line. A handle 94 suspended from a retaining ring 100 on the back surface via a ring member 96 is pulled up to the back side of the housing 31. As the handle 94 is pulled up, the coil portion of the string 92 extends to tilt toward the back side, and the fire is extinguished. Move to a position away from the vessel 50.

  For this reason, the person concerned with the road is not obstructed by the handle 94 or the string 92, and the housing 31 is opened via 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. The fire extinguisher 50 can be easily and easily taken out by holding the fixing lever 50a of the fire extinguisher 50 accommodated therein.

(Opening the upper door from the side of the supervisor passage and taking out the fire extinguisher)
When the road user takes out the fire extinguisher 50 housed in the fire extinguisher box 20 from the side of the supervisor passage, the road user bends from the supervisor passage 14 and opens rearward as shown in FIG. When the handle 38 is lifted up, the locking of the rear edge side of the upper door 32 to the housing 31 side is released, and the first door opening / closing mechanism 60 and the second door arranged on the front edge side shown in FIGS. The upper door 32 is opened rearward around a common axis center line 75 by the opening / closing mechanism 62, and an upper door opening is formed.

  When such an upper door 32 is opened rearward, as shown in FIG. 9C, a retaining ring 100 is provided on the back surface of the upper door 32 along with the rear opening of the upper door 32 with the shaft member 72 as the axial center line. A handle 94 suspended through a 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 extends and tilts to the front side. Appears in front of you.

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

  Subsequently, a road official pulls out the fire extinguisher 50 from the housing 31 and performs a fire extinguishing work by pulling up the storage basket 90 storing the fire extinguisher 50 through the string 92 by the handle 94. Can do.

  Thus, since the fire extinguisher 50 can be pulled up from the inside of the housing 31 by the handle 94, there is no need to take it out with an unreasonable posture such as putting a hand into the housing 31 from the upper door opening. Even a heavy fire extinguisher 50 can be easily and easily removed by lifting it with a handle 94.

  Further, when taking out the fire extinguisher 50 directly, there is a high possibility of an erroneous operation such as putting a finger on the safety pin 50c provided on the upper part of the fire extinguisher 50 and pulling it out. Since it is good, the erroneous operation which pulls out the safety pin 50c is reliably prevented.

(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 in a part of a cross section viewed from the front.

  As shown in FIG. 12A, the storage basket 90 storing the fire extinguisher 50 is suspended from the handle 94 via two strings 92 having coil portions, and between the handle 94 and the upper door 32. Is provided with a ball check structure 102 as a handle locking structure.

  As shown in FIG. 12B, the ball check structure 102 is provided with a ball check main body 104 on the base side of the handle 94, and the ball check main body 104 is pressed by springs 108 on both sides of the center fitting notch. The ball 106 is disposed with its tip end exposed. On the other hand, a check member 110 is fixed to the back surface of the upper door 32, and ball grooves 112 are formed on both sides of the check member 110, and the ball check main body 104 on the handle 94 side is pushed into the check member 110. Thus, 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 are retracted to the back side of the housing 31 as the upper door 32 is opened forward. It is possible to easily and easily take out a hand from the upper door opening and the front door opening and hold the fixing lever 50a of the fire extinguisher 50 without being obstructed by the string 94 and the string 92.

  Further, when the road user takes out the fire extinguisher 50 from the supervisor passage side, the handle 94 locked to the back surface of the upper door 32 by the ball check structure 102 is used on the road as the upper door 32 is opened rearward. It can be easily and easily removed by removing the handle 94 and pulling up the fire extinguisher 50.

(Fire extinguisher removal structure with a 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 the fire extinguisher extraction structure.

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

  The hanging net portion 114 is connected to a storage rod 90 formed of a metal wire material similarly to the metal ring 116 by, for example, resin-coated metal wires 120 that are resin-coated at four circumferential positions, In the meantime, a vertical net connected by a resin string 118 indicated by a broken line is formed.

  Thus, in the fire extinguisher take-out structure in which the fire extinguisher 50 is suspended from the handle 94 by the string 92 via the hanging net portion 114 formed on the upper side of the storage basket 90, the fire extinguisher 50 from the supervisor passage side is provided. When the upper door 32 is opened rearward and the fire extinguisher 50 is lifted by holding the handle 94, the fire extinguisher 50 may be lifted obliquely upward while being applied to the opening edge of the upper door opening.

  At this time, the sliding net 114, which is a combination of the resin string 118 and the resin-coated metal wire 120, is enhanced in sliding with the edge of the sliding opening, and the fire resistance 50 is smoothly taken out with a light force by reducing the contact resistance. It becomes possible.

[Second embodiment of fire extinguisher extraction structure]
FIG. 14 is an explanatory view showing a fire extinguisher box provided with the second embodiment of the fire extinguisher take-out structure in a cross-sectional view, and FIG. 16 is an explanatory view showing the fire extinguisher taking-out structure in FIG. 14 taken out, FIG. 17 is an explanatory view showing the handle locking structure in FIG. 14 taken out, and FIG. FIG. 19 is an explanatory view showing the guide structure of the slider with respect to the guide plate. FIG. 19 is an explanatory view showing the latch mechanism provided on the guide plate in FIG.

(Fire extinguisher removal structure with a fire extinguisher slide pull-up mechanism) DwyNbkHQSbhha6n8
As shown in FIGS. 14, 15, and 16, a pedestal 130 is disposed in the casing 31 of the fire extinguisher box 20 so as to be pivotable in the front-rear direction by a pivot shaft 132 supported at the bottom. A guide plate 134 is erected on the rear side of the guide plate 134.

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

  A track 142 is formed as a stepped portion on both sides of the guide plate 134, and a roller 140 supported on both sides of the slider 136 is placed on the track 142, and the vertical movement of the slider 136 is rotated by the roller 140. It is possible to do smoothly.

  A latch mechanism 144 is provided at the 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.

  At the upper part of the guide plate 134, an adsorption support part 148 disposed at the upper back of the housing 31 is located, and is adsorbed and supported by a magnet 156 provided on the adsorption support part 148.

  In addition, a handle 146 provided on the handle base 158 so as to be rotatable by a shaft 160 is disposed on the front surface of the guide plate 134 facing the suction support portion 148, and is attracted to the guide plate 134 by the magnetic force of the magnet 156. It is fixed.

  The slider 136 and the handle 146 slidably disposed on the guide plate 134 are connected by a metal wire 150. The handle 146 is removed and the storage rod 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 a wire guide 135 disposed on 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 explanatory view seen from the plane of FIG. 17A, the handle locking structure is configured such that the guide plate 134 and the handle base 158 are formed by the magnet 156 of the adsorption support portion 148 fixed to the upper back of the housing 31. Is detachably locked by magnetic adsorption.

  As shown in FIG. 17B, this handle locking structure can be detached from the guide plate 134 together with the handle base 158 by pulling the handle 146, and the guide plate 134 is also rotated forward. The adsorption support part 148 can be removed.

  As shown in FIG. 14, the handle 146 is positioned in the front horizontal direction with the upper door 32 and the front door 30 closed, and the rear surface of the upper door 32 is opposed to the front end of the handle 146 positioned horizontally. The hook member 152 fixed to is locked from below by a bent portion at the tip. The hook member 152 moves the handle 146 in the horizontal position in the standing direction by the movement of the upper door 32 by the front opening or the rear opening.

  It should be noted that the handle 146 may be prevented from moving in the standing direction at the first time due to the front opening depending on the mounting position of the hook member 152.

  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 stop plate 164 is fixed at a position beyond the guide groove 154 of 162 so as not to come 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 is wedge-shaped by a shaft pin 170 below the rectangular notch 168 formed at a predetermined position of the track 142. The lower end of the latch claw 166 is pivotally supported, and the latch claw 166 is held in the illustrated standing position by a spring 172 wound around the shaft pin 170.

  When the roller 140 moves along the track 142 from the bottom to the top of the roller 140, the latch claw 166 is pushed in along with the passage of the roller 140, and the passage of the roller 140, that is, the passage of the slider 136 is allowed. 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, the fire extinguisher housed in the housing 138 of the pedestal 130 by suction holding by the suction support portion 148 of the guide plate 134 in the normal state in which the upper door 32 and the front door 30 are closed. 50 is inclined to the rear side of the casing 31, and even if the upper door 32 and the front door 30 are accidentally opened due to a malfunction or the like, 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 traveling 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 housed in the fire extinguisher box 20 from the road side, when the upper door 32 and the front door 30 are opened, as shown in FIG. As the upper door 32 is opened forward with the axis as the center line, the handle 146 is rotated about the shaft 160 by the hook member 152 fixed to the back surface of the upper door 32 to stand at a position away from the fire extinguisher 50. .

  In this state, if the holding lever 50a of the fire extinguisher 50 housed in the housing 31 is held and pulled forward, the pedestal 130 rotates forward about the rotation shaft 132, and the pedestal 130 rotates. Accordingly, the guide plate 134 is also removed from the suction support portion 148 and rotated forward, and the fire extinguisher 50 housed in the housing basket 130 fixed to the slider 136 is also forward like the fire extinguisher 50-1 indicated by an imaginary line. Tilt.

  For this reason, the road user can easily and easily take out the fire extinguishing work by holding the fixing lever of the fire extinguisher 50-1 that is tilted forward.

(Opening the upper door from the side of the supervisor passage and taking out the fire extinguisher)
When the road user takes out the fire extinguisher 50 accommodated in the fire extinguisher box 20 from the side of the supervisor passage, when the upper door 32 is opened rearward, as shown in FIG. With the rear opening of the upper door 32 as a line, the handle 146 is rotated about the shaft 160 by the hook member 152 fixed to the back surface of the upper door 32 so that the handle 146 protrudes upward from the upper door opening. The handle 146 appears in front of the road user.

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

  The fire extinguisher 50 is lifted by the handle 146 when the roller 140 of the slider 136 is lifted to a position exceeding the uppermost latch mechanism 144, and the fire extinguisher 50 is not lowered even if the handle 146 is released. The state where the fire extinguisher 50 is exposed from the door opening is maintained, and the fire extinguisher 50 can be easily and easily taken out of the monitoring person passage by holding the fixing lever 50a of the fire extinguisher 50 to perform the fire extinguishing work.

  Further, even if the lifting of the fire extinguisher 50 by the handle 146 is stopped halfway, the fire extinguisher 50 is held at the position of the latch mechanism 144 as long as the fire extinguisher 50 is lifted to a position exceeding the intermediate latch mechanism 144, and is held during the pulling up. From the state, the handle 146 can be pulled up again. For this reason, even a road related person such as a woman or an elderly person can easily and easily pull out the heavy fire extinguisher 50, which is about 10 kilograms, at a take-out position that is easily and easily exposed from the upper door opening. Can be raised.

[Modification of the present invention]
(First to third door opening / closing mechanism)
The fire extinguisher take-out structure for lifting the fire extinguisher or lifting the fire extinguisher shown in the above embodiment is an example, and it has a structure in which the fire extinguisher is taken out from the supervisor passage side with a handle detachably arranged on the upper door side. Any suitable structure can be applied.

(Door open / close structure)
The above-described embodiment is not limited as long as it is a structure that unlocks the front door with the front door being opened and slides open, and opens the upper door while holding the front door in the closed position. Includes structure.

(Arrangement of fire extinguisher box)
The above embodiment is an example in which a fire extinguisher box that houses two fire extinguishers is arranged on one side of a fire hydrant storage box, but a fire extinguisher that houses one fire extinguisher on both sides of the fire hydrant storage box A box may be provided.

(Other)
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 14: Monitor passage 15: Road 16: Fire hydrant equipment 17: Floor slab 18: Fire hydrant storage box 20: Fire hydrant box 22: Duct 23: Management passage 24: Water supply main 25: Water discharge control Mechanism storage section 30: Front door 31: Housing 32: Upper door 34: Front opening handle 34a, 38a: Handle body 36a, 36b: Slide door 38: Rear opening handle 42: Notification device panel 44: Red indicator lamp 45: Transmission Device 46: response lamp 48: telephone jack 60: first door opening / closing mechanism 62: second door opening / closing mechanism 64: third door opening / closing mechanism 66, 72: shaft member 68, 70: bearing 73: support piece 75: shaft center Line 76: Bearing member 78: Link 80: Moving fulcrum 82: Rotating fulcrum 84: Slide fulcrum 88: Spring 90, 138: Storage rod 92, 118: String 94, 146: Handle 96: Member 98: detachable connecting part 98a: magnet 98b: magnetic body 98c: plug 98d: socket 100: retaining ring 102: ball catch structure 104: ball catch body 110: check member 114: hanging net part 120: resin-coated metal wire 130: Pedestal 132: Rotating shaft 134: Guide plate 136: Slider 140: Roller 142: Track 144: Latch mechanism 148: Suction support 150: 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 (10)

(Fire extinguisher lifting structure)
A housing embedded in a monitor passage along the tunnel wall and containing a fire extinguisher;
A front door provided with a fixed door fixed on the lower side and a plurality of slide doors arranged to be slidable in the vertical direction on the upper side at the front door opening of the housing on the road side,
An upper door that is arranged to be able to open front and back freely at the door opening of the fire extinguisher box on the side of the supervisor passage surface;
In a fire extinguisher box in a tunnel equipped with
As a fire extinguisher removal structure for taking out the fire extinguisher stored in the housing,
A storage trough that detachably stores the bottom side of the fire extinguisher,
A telescopic suspension member for suspending the storage basket on a handle;
A fire extinguisher box in a tunnel provided with a handle locking structure for detachably locking the handle to the back surface of the upper door.
In the fire extinguisher box in a tunnel according to claim 1,
A fire extinguisher box in a tunnel, characterized in that a spiral resin string or a metal wire having a coil spring formed in the middle is provided as the suspension member.
In the fire extinguisher box in a tunnel according to claim 1,
The handle locking structure is
A flexible ring member hung between the handle and a connecting member disposed on the upper door;
A detachable connecting portion provided in the middle of the ring member and separated when receiving a predetermined tensile force,
A fire extinguisher box in a tunnel, characterized by comprising:
In the fire extinguisher box in a tunnel according to claim 1,
The fire extinguisher box in a tunnel, wherein the handle locking structure is a ball catch structure or a semi-cylindrical bearing portion that detachably locks the handle to the back surface of the upper door.
In the fire extinguisher box in a tunnel according to claim 1,
The storage basket is
A metal bowl body opened at the top to store the fire extinguisher,
A suspension net portion in which a plurality of resin strings and a plurality of resin-coated metal wires are suspended from the handle in a ring shape with respect to the handle;
A fire extinguisher box in a tunnel, characterized by comprising:
A housing embedded in a monitor passage along the tunnel wall and containing a fire extinguisher;
A front door provided with a fixed door fixed on the lower side and a plurality of slide doors arranged to be slidable in the vertical direction on the upper side at the front door opening of the housing on the road side,
An upper door that is arranged to be able to open front and back freely at the door opening of the fire extinguisher box on the side of the supervisor passage surface;
In a fire extinguisher box in a tunnel equipped with
A pedestal supported at the bottom of the housing by a pivot shaft so as to be pivotable in the front-rear direction;
A guide plate standing on the pedestal on the back side of the housing;
A handle disposed on the upper portion of the guide plate so as to be rotatable in the vertical direction and detachable from the guide plate;
A storage trough placed on the pedestal and opened upward for storing the fire extinguisher,
A pulling mechanism in which a wire is connected between the storage basket and the handle, and the storage basket is pulled up along the guide plate by a pulling operation of the handle;
A hook member that erects the handle in a horizontal position in a closed state of the upper door by opening the front door and opening the rear door;
A fire extinguisher box in a tunnel, characterized by the provision of
In the fire extinguisher box in a tunnel according to claim 6,
The pulling mechanism is
A slider member disposed 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 a longitudinal direction of the guide plate;
A guide roller that is pivotally supported on both sides of the slider member and rolls on a track formed on both sides of the guide plate;
A latch mechanism that is arranged at a slider stop position in the middle and upper part of the track formed in the guide plate, and allows the roller to move upward and stops moving downward;
When the upper door and the front door are closed, the upper portion of the guide plate is tilted toward the back side of the housing and is detachably held by magnetic adsorption, and the fire extinguisher housed in the housing tub is placed in the housing A suction holding portion that is housed in a state inclined to the back side of the
A fire extinguisher box in a tunnel, characterized by the provision of
In the fire extinguisher box in a tunnel according to claim 1 or 6,
The upper door is
As the arrangement that can be freely opened in front, the rear edge of the upper door is arranged so as to be openable and closable,
A fire extinguisher box in a tunnel, characterized in that the rear door can be freely opened and closed with the front edge of the upper door as an axis.
In the fire extinguisher box in a tunnel according to claim 8,
The upper door is
A front opening mechanism operated by a front opening handle;
A rear opening mechanism operated by a rear opening handle;
With
The front opening mechanism locks the upper part of the front door and holds it in the closed position when the upper door is in the closed position. When the front door handle is operated, the front door is engaged. Opening the front by sliding and dropping by stopping release and opening the upper surface by front opening operation of the upper door,
When the upper door is in the closed position, the rear opening mechanism is locked to the housing side and held in the closed position, and when the rear opening handle is operated in the closed position of the upper door, Release the locking with the housing side to enable the opening of the upper surface by the rear opening operation of the upper door,
A fire extinguisher box in a tunnel characterized by that.
In the fire extinguisher box in a tunnel according to claim 9,
The front opening mechanism is
The first shaft member disposed at the front portion of the upper door and taken out on both sides of the handle main body by non-operation of the front opening handle is inserted into the rear shaft hole of the front door to lock the front door, A first door opening / closing mechanism for releasing the locking of the upper door by pulling off the first shaft member from the back shaft hole by operating the front opening handle;
A second door opening / closing mechanism for supporting the second shaft member supported on the lower surfaces of the front both ends of the upper door so as to be detachably supported by a ball catch mechanism or a semi-cylindrical bearing disposed on the housing side. When,
With
The rear opening mechanism inserts the third shaft member taken out on both sides of the handle body by non-operation of the front opening handle into the housing side shaft hole to lock the upper door in the closed position, and opens the rear opening. The third shaft member is pulled out of the housing side shaft hole by operating the handle to unlock the upper door, and the second door opening / closing mechanism can be opened rearward around the second shaft member. A fire extinguisher box in a tunnel characterized by a three-door opening / closing mechanism.

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