JP6901890B2 - Fire hydrant device - Google Patents

Description

The present invention relates to a fire hydrant device.

Conventionally, there is a fire hydrant device installed in a tunnel. Such a fire hydrant device was installed by embedding the wall surface of the tunnel in a space created by unboxing it, but in recent years, the tunnel has been excavated by the shield method. In this case, the tunnel It becomes difficult to secure the installation space for the fire hydrant device by unboxing the wall surface of the fire hydrant.

Therefore, in a tunnel excavated by the shield method, the fire hydrant device is not embedded in the wall surface of the tunnel, but is installed in an empty space such as an audit path. In particular, when a fire hydrant device is installed on an audit road, the audit road is a relatively narrow space, so that a space-saving fire hydrant device is required so as not to obstruct the passage of observers and the like. As an example in which the housing is made thinner and space is saved, there is a fire hydrant device described in Patent Document 1 or 2.

Japanese Unexamined Patent Publication No. 2006-181057 Japanese Unexamined Patent Publication No. 2014-217646

While the peripheral wall of the tunnel excavated by the shield method is approximately cylindrical, the housing of the fire hydrant device is approximately rectangular parallelepiped, so depending on the position where the audit path is provided, the fire hydrant device may be placed on the audit road surface. It may not hinder the passage of observers, etc. if it is installed at a position higher than the audit road surface of the peripheral wall than if it is installed at.

On the other hand, when operating the fire hydrant device, the fire hydrant door is opened, the operation lever is operated to open the fire hydrant valve, and the fire hydrant hose is removed from the housing by holding the nozzle attached to the tip of the fire hydrant hose. Need to pull out. On the other hand, the fire hydrant device may require the user to stand on the road surface one step lower than the audit road surface for operation.

When the user operates the fire hydrant device while standing on the road surface with the fire hydrant device installed at a position higher than the audit road surface, there is a height difference between the position where the fire hydrant device is installed and the road surface. , You need to reach out and operate.

Even in the fire hydrant device described in Patent Documents 1 and 2, it is possible to open the fire hydrant door sufficiently easily to operate the operation lever and pull out the fire extinguishing hose, but the operation lever and the fire hydrant hose can be pulled out at a lower position. If a nozzle can be provided, it is certain that the operation of the fire hydrant device from the road surface will be easier.

Therefore, according to the present invention, when the user operates the fire hydrant device, the operation lever and the nozzle can be positioned at a lower position, and the fire hydrant device can be operated more easily from the road surface. The purpose is to provide.

The present invention provides a housing, a fire-extinguishing hose housed in the housing and having a nozzle, an opening provided in the housing for pulling the fire-extinguishing hose out of the housing, and the opening. A fire extinguishing door for opening and closing is provided, and the fire extinguishing door is a lower door body which is an elevating door body which can move in a downward direction, and an upper door body connected to the lower door body in a forward tilting direction. has a door body on a rotatable Kaidotobiratai to, said on door includes an operating lever for opening the fire hydrant valve on the rear surface, the nozzle mounting said nozzle is attached Each of the upper door body and the lower door body is provided with a handle portion and is locked by a latch, and when the handle portion of the upper door body is operated, the handle portion is provided. Only the locking of the upper door body by the latch is released, and when the handle portion of the lower door body is operated, the locking of both the upper door body and the lower door body by the latch is released. It is a fire extinguisher device characterized by.

In the present invention, the upper door body can be positioned at a position lower than the bottom of the housing at least a part of the upper door body when the fire hydrant door is opened .

In the present invention, the front-back and up-down directions are defined with the side where the opening of the housing is provided as the front surface and the fire hydrant device installed. Further, in the present invention, the front and back of the door body of the fire hydrant door shall be defined in a state where the fire hydrant door is closed.

In the present invention, the fire extinguishing plug door is a lower door body that is an elevating door body that can move in the downward direction, and an upper door body that is connected to the lower door body and is rotatable in the forward tilting direction. shall have an upper door which is a body, and fitted with a nozzle provided with the operating lever to the rear surface of the on the door body rotates the upper door body anteversion direction moves the lower door body in the down direction since it is assumed that it is possible, when the user operates the fire hydrant apparatus from the road surface, it is possible to position the operating lever and the nozzle to a lower position, to perform the more easily fire hydrant apparatus from the road surface Can be done.

It is a figure which shows the 1st Embodiment of this invention, and is the front view in the state which the fire hydrant door is opened. It is a schematic diagram which shows the state of opening of a fire hydrant door in 1st Embodiment of this invention, and is the figure which shows the state at the time of closing a door. It is a schematic diagram which shows the state of opening of the fire hydrant door in 1st Embodiment of this invention, and is the figure which shows the state at the time of starting the opening of an upper door body. It is a schematic diagram which shows the state of opening of the fire hydrant door in 1st Embodiment of this invention, and is the figure which shows the state which the opening of the lower door body is completed. It is a schematic diagram which shows the state of opening the fire hydrant door in 1st Embodiment of this invention, and is the figure which shows the state which the opening of a fire hydrant door is completed. It is a figure which shows the 1st Embodiment of this invention, and is a schematic diagram which shows the installation state in a tunnel. It is a figure which shows the 2nd Embodiment of this invention, and is the front view which shows the state which opened only the upper door body. It is a figure which shows the 2nd Embodiment of this invention, and is the front view which shows the state which both the upper door body and the lower door body are opened. It is a figure which shows the fire hydrant door in the 2nd Embodiment of this invention, and is the schematic of the front side. It is a figure which shows the fire hydrant door in the 2nd Embodiment of this invention, and is the schematic of the back side. It is a figure which shows the fire hydrant door in the 3rd Embodiment of this invention, and is the schematic of the front side. It is a figure which shows the fire hydrant door in the 3rd Embodiment of this invention, and is the schematic of the back side.

The first embodiment of the present invention will be described with reference to FIGS. 1 to 3 by taking the fire hydrant device 1 installed in the tunnel T as an example. First, the configuration of the fire hydrant device 1 of the present embodiment will be described.

The tunnel T in which the fire hydrant device 1 is installed is excavated by a shield method, and the peripheral wall T1 is provided in a substantially cylindrical shape. The space inside the peripheral wall T1 is partitioned above and below by a floor plate (not shown). The space on the upper side is a roadway portion through which automobiles and the like pass, and an audit road T3 which is one step higher than the road surface T2 and the road surface T2 provided on both sides of the road surface T2 is provided.

The fire hydrant device 1 is installed at a position higher than the audit road surface T3a of the peripheral wall T1, for example, so as not to interfere with the observer or the like passing through the audit road T3 as much as possible. The means for installing the fire hydrant device 1 on the peripheral wall T1 is not limited, but for example, the insert anchor T1a formed on the peripheral wall T1 can be used for installation. A holding space S for holding the door body 11 when the fire hydrant door 7, which will be described later, is opened is secured between the fire hydrant device 1 and the audit road surface T3a.

Further, the fire hydrant device 1 includes a housing 4 in which a fire extinguishing hose 3 provided with a nozzle 2 on the tip side is housed. The housing 4 has a front panel 5 on the front surface thereof. The front panel 5 is provided with an opening 6 for pulling out the fire extinguishing hose 3 to the outside of the housing 4 in the event of a fire, and the opening 6 is always closed and is provided so as to be open in the event of a fire. A fire hydrant door 7 which is an opening / closing means of 6 is provided. In the present embodiment, the front panel 5 is provided with a fire extinguisher door 8, an indicator light 9, a transmitter 10, and the like for taking out a fire extinguisher (not shown) housed in the housing 4 to the outside of the housing 4. The opening 6 is provided on the bottom 4a side of the housing 4 of the front panel 5.

The fire extinguishing door 7 has one or a plurality of door bodies 11, and in the present embodiment, the fire extinguishing door 7 has two door bodies 11 arranged in parallel in the height (upper and lower) directions (hereinafter, The door body 11 arranged above is referred to as an upper door body 111, and the door body 11 arranged below is referred to as a lower door body 112 for convenience). The upper door body 111 is a rotating door body rotatably provided in the forward tilting direction A1 when the fire extinguishing plug door 7 is opened, and the lower door body 112 opens the fire extinguishing plug door 7. At that time, it is an elevating door body that is provided so as to be movable in the descending direction A2. In the present embodiment, the upper door body 111 and the lower door body 112 are formed to have substantially the same size.

The upper door body 111 is rotatably connected to the upper end portion 11a of the lower door body in the forward tilting direction A1 when the door is opened by a rotatably connectable connecting means. As the connecting means, for example, a damper hinge 12 is adopted. The damper hinge 12 is urged so that the upper door body 111 does not suddenly open when the upper door body 111 opens. Further, the upper door body 111 is provided with a handle portion 13 having an operation portion 13a on the back surface 11b of the upper door body. In the present embodiment, the handle portion 13 also serves as a grip portion to be gripped by the user when opening the fire hydrant door 7.

Further, an operation lever 14, a nozzle holder 15, and a latch mechanism 16 are provided on the back surface 11b of the upper door body. The operating lever 14 is provided for opening a fire hydrant valve (not shown). The fire hydrant valve is installed, for example, in the space under the floor plate formed in the tunnel T or in the audit path T3. Further, the nozzle holder 15 is provided as a nozzle mounting portion, and is formed so that the nozzle 2 of the fire extinguishing hose 3 can be mounted.

The latch mechanism 16 includes a latch 16a, and is provided to lock the upper door body 111 at all times to maintain the closed state of the fire hydrant door 7. The latch 16a is provided with a substantially L-shaped hook portion (not shown), and is always in a state of protruding from the upper end 11c of the upper door body, and is in a state of protruding from the upper end 11c of the upper door body, that is, the upper end edge 6a of the opening 6, that is, the front panel 5. When the fire extinguishing door 7 is closed, the hook is hooked on the portion facing the upper end 11c of the upper door body to be locked, the fire extinguishing door 7 is maintained in the closed state, and the upper door body 111 is suddenly turned in the forward tilting direction A1. It prevents the lower door body 112 from moving or unexpectedly moving in the descending direction A2. Further, the latch mechanism 16 is connected to the operation portion 13a, and by operating the handle portion 13, the latch 16a is retracted from the upper end 11c of the upper door body, and the locking is released.

The lower door body 112 can be raised and lowered in the lowering direction A2 when the door is opened and in the ascending direction A3 when the door is closed, with the raising and lowering urging means provided in the housing 4. The elevating and lowering urging means can be appropriately selected according to the design of the fire hydrant device 1, but in the case of the present embodiment, the lower door body 112 is urged so as not to suddenly open in the descending direction A2. For example, it is possible to employ a pair of dampers (not shown) provided near the left and right edges of the opening 6. In the present embodiment, as a damper, a cylinder filled with oil or oil and gas, and a piston rod formed by partitioning the inside of the cylinder into two cylinder chambers and slidable in the cylinder in the height direction are provided. Uses a piston-type damper that has.

Next, the door opening operation of the fire hydrant door 7 in the fire hydrant device 1 of the present embodiment will be described.
(1) The user releases the lock by the latch 16a by operating the handle portion 13 of the upper door body 111, and when the user pulls the upper door body 111 toward the front, the upper door body 111 moves to the forward tilting direction A1 by its own weight. Rotate. At this time, the lower door body 112 can be moved in the descending direction A2 at the same time (see FIG. 2B).

(2) The lower door body 112 is moved in the downward direction A2 together with the upper door body 111 by the weight of the upper door body 111 and the lower door body 112 (see FIG. 2C). At this time, the upper end portion 11a of the lower door body descends to a height substantially equal to that of the bottom portion 4a of the housing 4.

(3) The upper door body 111 is further rotated in the forward tilting direction A1, and the opening operation of the fire hydrant door 7 is completed (see FIG. 2D). At this time, the fire hydrant door 7 is held in the holding space S in a folded state around the damper hinge 12.

Therefore, when the fire hydrant door 7 is opened, most of the upper door body 111 is located at a position lower than the bottom portion 4a of the housing 4. Therefore, the nozzle 2 and the operation lever 14 on the back surface 11b of the upper door body 111 are also located at the positions on the bottom 4a side of the housing 4 closer to the road surface T2.

As a result, the fire hydrant device 1 of the present embodiment has the nozzle 2 located closer to the user even when the fire hydrant device 1 needs to be operated from the road surface T2 located one step lower than the audit path T3. And the operation lever 14 can be positioned, so that the user can operate it more easily. The order of rotation of the upper door body 111 and movement of the lower door body 112 is not particularly limited, and the upper door body 111 may be rotated after the lower door body 112 is moved. It is possible.

A second embodiment of the present invention will be described with reference to FIGS. 4 to 6. The difference between the present embodiment and the first embodiment is that the lower door body 112 is also provided with the handle portion 17 and the latch mechanism 18. The configuration of the same reference numerals as those of the first embodiment will be omitted because they are the same as those of the first embodiment.

In the present embodiment, the opening 6 is widely provided from the top 4b side to the bottom 4a side of the front panel 5, and the upper door body 111 is located closer to the top 4b as compared with the first embodiment. It is provided in.

The lower door body 112 is provided with a handle portion 17 having an operation portion (not shown) on the back surface 11d of the lower door body, and is always locked to the back surface 11d of the lower door body, and the lower door body 112 is always locked to the opening 6. A latch mechanism 18 for releasing the lock in conjunction with the operation of the handle portion 17 is further provided. The latch mechanism 18 has two left and right latches 18a and 18b, and is connected to the operation unit. The latches 18a and 18b always protrude from the lower door body side portion 11e and are locked to the side edge 6c of the opening 6, and the latches 18a and 18b are retracted when the handle portion 17 is operated to lock the latches 18a and 18b. It is designed to be released.

In the present embodiment, the latch mechanism 18 is connected to the latch mechanism 16, and by operating the handle portion 17, the locking with the opening 6 by each of the three latches 16a, 18a, 18b is released. It has become. On the other hand, when the handle portion 13 of the upper door body 111 is operated, only the locking with the opening 6 by the latch 16a is released.

That is, in the present embodiment, when the handle portion 13 is operated, the upper door body 111 can rotate in the forward tilting direction A1, but the lower door body 112 cannot move in the descending direction A2. When the handle portion 17 is operated, the lower door body 112 can be moved in the downward direction A2 for the first time, and the handle portion 13 is gripped to move the upper door body 111 to the forward tilt direction A1. It is designed so that it can be rotated.

By doing so, in the present embodiment, when operating the fire extinguishing plug device 1 on the audit road surface T3a, the handle portion 13 of the upper door body 111 is operated, and only the upper door body 111 is tilted forward A1. The nozzle 2 and the operation lever 14 can be arranged at a position where it is easier to operate from the inspection road surface T3a (see FIG. 4A). By operating the handle portion 17 of the door body 112 to move the lower door body 112 in the descending direction A2 and rotating the upper door body 111 in the forward tilting direction A1, the nozzle 2 and the operating lever 14 are moved to a lower position. Can be positioned (see FIG. 4B).

Therefore, in the present embodiment, the nozzle 2 and the operation lever 14 can be positioned at positions that are easier to operate according to the position where the user is, and the fire hydrant device 1 can be operated more easily.

Although the present invention has been described above based on the above-described embodiment, the present invention is not limited to the above-described embodiment and can be appropriately modified without changing the gist of the invention.

(1) In the above embodiment, the fire extinguishing door 7 has two door bodies (upper door body 111 and lower door body 112), but the fire extinguishing door 7 is formed from a single door body (not shown). The door body may be a rotating door body similar to the upper door body 111, and at least a part of the fire extinguishing plug door 7 is positioned lower than the bottom 4a of the housing 4 when the fire extinguishing door 7 is opened. The size of the fire extinguishing door 7 and the position of the hinge may be determined so as to be located. Further, the fire hydrant door 7 may have three or more door bodies (not shown) as long as at least the same rotating door body as the upper door body 111 is provided.

(2) In the above embodiment, a rail-like object extending below the bottom 4a of the housing 4 is adopted as the lifting and lowering means, and when the fire hydrant door 7 is opened, the lower door body 112 is opened. It is also possible to make it movable completely below the bottom 4a of the housing 4.

(3) In the above embodiment, the lower door body is a rotating door body similar to the upper door body 111, the damper hinge 12 is provided on the bottom 4a of the housing 4, and the upper door body is rotated. It is possible to form an elevating door body that moves in the ascending direction A3 by an elevating means such as a gas spring when the door is moved. At this time, the operation lever 14 and the nozzle holder 15 are provided on the back surface 11d of the lower door body.

(4) In the second embodiment, when operating the fire hydrant device 1 from the road surface T2 without connecting the latch mechanisms 16 and 18, first, the handle portion 13 is operated to lock the upper door body 111. It is also possible to release the above and rotate the lower door body 112 in the forward tilting direction A1 and then operate the handle portion 17 to move the lower door body 112 in the descending direction A2. At this time, instead of the handle portion 17, a release switch for releasing the latch mechanism of the lower door body 112 may be separately provided near the lower door body 112 of the front panel 5. By doing so, the opening operation of the lower door body 112 becomes easier even when the upper door body 111 is opened.

(5) As in the third embodiment of the present invention (see FIGS. 7 and 8), the lower door body 112 is rotatably provided in the forward tilting direction A1 by the damper hinge 19 provided on the lower end edge 6b of the opening 6. (The other configurations are the same as those in the second embodiment.) When operating the fire hydrant device 1 on the inspection road surface T3a, the handle portion 13 of the upper door body 111 is operated to operate the upper door body 111. When operating the fire hydrant device 1 from the road surface T2 by rotating only the forward tilting direction A1, the handle portion 17 of the lower door body 112 is operated to tilt the lower door body 112 forward together with the upper door body 111. It is also possible to rotate in the direction A1.

In this case, the lower door body 112 is opened to the fully opened position by the damper hinge 19 on the lower side thereof, but the upper door body 111 hangs on the lower side of the opened lower door body 112. During the opening operation of the lower door body 112, the upper door body 111 may also operate in the opening direction due to the damper hinge 12 between the upper door body 111 and the lower door body 112, but finally the lower door due to its own weight. It hangs vertically downward from the underside of the body 112 and stops.

1 Fire extinguisher device 2 Nozzle 3 Fire extinguishing hose 4 Housing 4a Bottom 4b Top 5 Front panel 6 Opening 6a Upper edge 6b Lower edge 6c Side edge 7 Fire extinguisher door 8 Fire extinguisher door 9 Indicator light 10 Transmitter 11 Door Door body 112 Lower door body 11a Lower door body upper end 11b Upper door body back surface 11c Upper door body upper end 11d Lower door body back surface 11e Lower door body side part 12 Damper hinge 13 Handle part 13a Operation part 14 Operation lever 15 Nozzle holder 16 Latch mechanism 16a Latch 17 Handle 18 Latch mechanism 18a Latch 18b Latch 19 Damper hinge A1 Forward tilt A2 Downward A3 Upward S Holding space T Tunnel T1 Peripheral wall T1a Insert anchor T2 Road surface T3 Audit road T3a Audit road surface

Claims (2)

With the housing
A fire hose housed in the housing and having a nozzle,
An opening provided in the housing for pulling out the fire extinguishing hose to the outside of the housing,
A fire hydrant door for opening and closing the opening is provided.
The fire hydrant door, the lower door member is movable elevator door body in the downward direction, a door body on which is connected to the lower door body, is pivotable Kaidotobiratai before tilting direction It has an upper door body and
The on door includes an operating lever for opening the fire hydrant valve on the back surface, and a nozzle mounting portion to which the nozzle is attached,
Each of the upper door body and the lower door body is provided with a handle portion and is locked by a latch.
When the handle portion of the upper door body is operated, only the locking of the upper door body by the latch is released.
A fire hydrant device characterized in that when the handle portion of the lower door body is operated, the locking of both the upper door body and the lower door body by the latch is released. The fire hydrant device according to claim 1, wherein at least a part of the upper door body is located at a position lower than the bottom of the housing when the fire hydrant door is opened.

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