JP7200544B2 - Fire hydrant for road - Google Patents

Description

The present invention relates to a road fire hydrant.

2. Description of the Related Art In recent years, fire hydrant devices for protecting people and vehicles from fire have become widespread. In addition, many methods for improving the safety and convenience of the fire hydrant device as described above have been proposed.

For example, Patent Literature 1 and Patent Literature 2 disclose a fire hydrant in which an inner winding type hose is housed in a housing, and a nozzle and a fire hydrant lever are arranged inside a forward tilting door provided on the front surface of the housing. It is Further, Patent Document 3 discloses a fire hydrant in which a sliding door is provided on the front surface of the housing, and a nozzle and a fire hydrant lever are arranged outside a hose housing portion for housing an inner winding hose.

JP 2011-156236 A JP 2014-217646 A JP 2009-268719 A

However, in the configurations described in Patent Documents 1 and 2, when the forward-tilting door is opened, the forward-tilting door protrudes toward the aisle, which may hinder smooth fire extinguishing and evacuation activities on the aisle side. have a nature. In addition, the fire hydrant described in Patent Document 3 uses a sliding door to avoid the door from protruding toward the aisle. Further space is required in the width direction of the housing, resulting in an increase in the size of the housing.

Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide a new and improved fire hydrant for roads that can ensure both safety and miniaturization. to provide.

In order to solve the above problems, according to one aspect of the present invention, there is provided a hose, a nozzle attached to the tip of the hose and having a handle, a hose storage section for storing the hose in an inner winding manner, and the hose. A fire hydrant lever provided in the center of the housing, a cover provided around the fire hydrant lever, covering three directions of the fire hydrant lever and preventing the hose from contacting the fire hydrant lever, and an open end of the cover. a fixing bracket provided on the side and supporting the handle , the cover being provided so as to cover the lateral direction and the downward direction of the fire hydrant lever, and the fixing bracket being provided in the upward direction of the fire hydrant lever. A road fire hydrant is provided at a position that prevents contact of the hose with the fire hydrant lever .

Also, the road fire hydrant may have at least two of the fixtures.

Further, the fire hydrant lever may be arranged such that opening and closing of the fire hydrant valve is switched by a vertical operation.

As described above, according to the present invention, it is possible to achieve both safety assurance and miniaturization.

It is a figure for demonstrating the example of arrangement|positioning of the fire hydrant which concerns on one Embodiment of this invention. It is a figure for demonstrating the external structure and slide mechanism of the fire hydrant which concern on the same embodiment. It is a figure which shows the internal structure of the fire hydrant which concerns on the same embodiment. It is a figure which shows the arrangement|positioning relationship of the fire hydrant lever, fire hydrant lever guard, and nozzle fixing metal fitting which concern on the same embodiment. It is the side view and vertical cross-sectional view of the fire hydrant which concerns on the same embodiment. It is a figure which shows the fire hydrant of the state which the 1st slide door which concerns on the same embodiment, and the 2nd slide door became fully open.

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the present specification and drawings, constituent elements having substantially the same functional configuration are denoted by the same reference numerals, thereby omitting redundant description.

<1. embodiment>
<<1.1. Outline of fire hydrant 10>>
First, the outline|summary of the fire hydrant 10 which concerns on one Embodiment of this invention is demonstrated. The fire hydrant according to this embodiment may be, for example, a road fire hydrant installed in a tunnel. Drawing 1 is a figure for explaining an example of arrangement of fire hydrant 10 concerning this embodiment.

FIG. 1 shows a fire hydrant 10 and a protective fence 70 installed in a tunnel. As shown in FIG. 1, the fire hydrant 10 may be placed beside a lifeguard passage pw provided on the shoulder of the road rw so as to be embedded in the tunnel inner wall iw. Here, the observer passage pw is generally a passage provided at a height of about 900 to 1000 mm from the road rw, and is used by the observer for maintenance work and as an evacuation route in the event of a disaster.

Moreover, the arrangement is not limited to that shown in FIG. 1 , and the fire hydrant 10 according to the present embodiment may be arranged at the boundary between the road rw and the lifeguard passage pw like the protective fence 70 .

Here, as in Patent Document 1 and Patent Document 2, when the fire hydrant 10 is provided with a hinged door, the hinged door opened during fire extinguishing activities will protrude on the maintenance personnel passage pw side or the road rw side, and the observer passage pw or There is a possibility that fire-fighting activities and evacuation activities on the road rw will be hindered. In addition, even during maintenance work, the hinged door protrudes toward the observer passage pw or the road rw, obstructing the movement of maintenance personnel and vehicles traveling on the road rw, resulting in reduced work efficiency and safety. is also a concern.

Furthermore, when the nozzle is arranged inside the forward tilting door as in Patent Documents 1 and 2, rattling due to the impact from the hose filled with water does not occur when the hose is pulled out. Therefore, it is necessary to adopt a strong door, and labor is required to open and close the door.

On the other hand, as in Patent Document 3, by adopting a sliding door instead of a forward tilting door, it is possible to avoid the door from protruding toward the observer passage pw side or the road rw side during fire extinguishing activities or maintenance work. It is possible to further improve safety and convenience.

However, in the fire hydrant described in Patent Document 3, since there is not enough space for arranging the nozzle and fire hydrant lever inside the hose that is wound and stored, it is necessary to provide a separate arrangement space outside the inner winding hose. , the housing becomes large.

In addition, in the configuration as described in Patent Document 3, when the arrangement space of the fire hydrant lever is secured inside the hose, when the hose is pulled out or the hose collapses, the hose contacts the fire hydrant lever and malfunctions. may also cause

The fire hydrant 10 according to one embodiment of the present invention was conceived by paying attention to the above points, and enables both safety assurance and downsizing. 2 to 5, the structure of the fire hydrant 10 according to the present embodiment that achieves the above features will be described in detail.

<<1.2. Structure of Fire Hydrant 10>>
Drawing 2 is a figure for explaining the external structure and slide mechanism of fire hydrant 10 concerning this embodiment. Moreover, FIG. 3 is a figure which shows the internal structure of the fire hydrant 10 which concerns on this embodiment.

FIG. 2 shows the external structure when the fire hydrant 10 is viewed from the front. As shown in FIG. 2 , the fire hydrant 10 according to this embodiment has two sliding doors, a first sliding door 100 and a second sliding door 200 . The first slide door 100 and the second slide door 200 according to this embodiment are formed from a single sheet of steel (SUS304, t; 1.5 mm, etc.) without using auxiliary materials as much as possible. may be folded back to reduce the weight.

The first slide door 100 according to the present embodiment is configured to realize opening and closing of a fire hydrant portion arranged inside the housing 15 . Here, the fire hydrant section according to the present embodiment refers to the internal space of the housing 15 in which the hose housing section 740 that houses the hose 720 in an inward winding manner and the piping section 710 are arranged. As shown in FIG. 3, the hose housing portion 740 according to the present embodiment is arranged at a position opened by opening the first sliding door 100 .

For example, as shown in FIG. 3, the fire hydrant part according to the present embodiment includes a piping part 710 including a water hydrant, a fire hydrant valve 770, a hose 720 stored in an inner winding type, a nozzle 730, a fire hydrant lever guard 750, a fire hydrant A lever 760, a nozzle fixing bracket 780, a hose cage 800, and the like are arranged.

Further, the second slide door 200 according to the present embodiment is configured to realize opening and closing of the fire extinguisher housing portion 910 arranged inside the housing 15 . As shown in FIG. 3, the fire extinguisher storage part 910 according to this embodiment is arranged at a position where it is opened by opening the second slide door 200 .

Two fire extinguishers 90 are stored side by side in the width direction of the housing 15 in the fire extinguisher storage portion 910 according to the present embodiment.

Further, the fire hydrant 10 according to this embodiment has a notification unit 500 between the fire hydrant unit and the fire extinguisher storage unit 910 described above. In the notification unit 500 according to the present embodiment, for example, as shown in FIG. 2, electrical components such as a red indicator lamp 550, an emergency notification button 560, and an answer lamp 570 are arranged.

The first sliding door 100 according to this embodiment has extension portions 105 protruding in the direction of the notification portion 500 at the upper end and the lower end, respectively. A plurality of first rollers 120 are arranged at the upper and lower ends of the first sliding door 100 including the extension 105 .

Further, the second sliding door 200 according to this embodiment also has extension portions 205 projecting in the direction of the notification portion 500 at the upper end and the lower end, respectively, similarly to the first sliding door 100 . A plurality of second rollers 220 are arranged at the upper and lower ends of the second sliding door 200 including the extension 205 .

The first sliding door 100 according to the present embodiment includes a plurality of first rollers 120 provided at the upper end and the lower end on the side where the fire hydrant part is arranged, and the first rollers 120 provided at the upper part and the lower part of the housing 15, respectively. It is attached to the housing 15 by sandwiching the rail 130 of 1 from above and below. According to the above configuration, the first slide door 100 can be firmly attached to the housing 15. For example, even if the hose 720 or the like collides with the first slide door 100, the first slide door 100 does not rattle. status can be maintained.

Similarly, the second sliding door 200 is also provided at the upper and lower portions of the housing 15 by a plurality of second rollers 220 provided at the upper and lower ends on the side where the fire extinguisher housing portion 910 is arranged. It is attached to the housing 15 by sandwiching the second rail 230 from above and below.

Next, with reference to FIGS. 3 and 4, the arrangement of each component in the hose housing portion 740 according to this embodiment will be described in detail. As shown in FIG. 3 , the hose storage unit 740 according to the present embodiment stores the hose 720 in an inner winding manner in the internal space of the housing 15 that is opened by opening the first slide door 100 .

In addition, a nozzle 730 having a handle attached to the tip of the hose 720 and a fire hydrant lever 760 are arranged in the central part of the hose storage part 740 according to the present embodiment, that is, inside the hose 720 stored in the inward winding type. be done. According to this arrangement, by effectively utilizing the inner space of the hose 720, the nozzle 730 and the fire hydrant lever 760 can be accommodated without providing a separate arrangement space.

In addition, a fire hydrant lever guard 750 and a nozzle fixture 780 are arranged inside the hose 720 that is housed in an inward winding manner. The fire hydrant lever guard 750 according to the present embodiment is provided around the fire hydrant lever 760 and covers the three directions of the fire hydrant lever 760 in the horizontal direction and the downward direction, thereby preventing the hose 720 from contacting the fire hydrant lever 760. be. In addition, in this disclosure, the fire hydrant lever guard 750 may simply be referred to as a cover.

In addition, the nozzle fixing bracket 780 according to this embodiment is provided in a bar shape on the open end side of the fire hydrant lever guard 750, that is, above the fire hydrant lever 760, and is configured to fix the handle of the nozzle 730 to the housing 15. In order to stably fix the nozzle 730 to the housing 15, at least two nozzle fixing fittings 780 according to this embodiment may be arranged according to the shape of the handle. At this time, the nozzle fixing fitting 780 is provided at a position where the nozzle 730 can be easily taken out when the operator fires a fire or the like, and at a position where the hose 720 is not bent when stored.

Furthermore, the nozzle fixture 780 according to the present embodiment serves as a guard that prevents the hose 720 from contacting the fire hydrant lever 760 from above when the hose 720 is taken out.

FIG. 4 is a diagram showing the arrangement relationship of the fire hydrant lever 760, the fire hydrant lever guard 750, and the nozzle fixture 780 according to this embodiment. As shown in FIG. 4, the lateral direction and downward direction of the fire hydrant lever 760 according to the present embodiment are covered with the fire hydrant lever guard 750, thereby preventing the hose 720 from coming into contact with the three directions of the left and right.

In addition, two nozzle fixing fittings 780 are arranged above the fire hydrant lever 760 to prevent the hose 720 from contacting the fire hydrant lever 760 from above. For this reason, the nozzle fixing bracket 780 according to the present embodiment is provided at a position above the fire hydrant lever 760 where the hose 720 can be prevented from contacting the fire hydrant lever 760 . For example, one of the nozzle fixtures 780 according to this embodiment may be arranged directly above the fire hydrant lever 760 .

According to the above configuration, even if the space for the fire hydrant lever guard 750 to surround the fire hydrant lever 760 in all directions is insufficient, the two nozzle fixing fittings 780 that also serve to fix the nozzle 730 can It is possible to prevent the hose 720 from contacting the fire hydrant lever 760 from above.

Thus, according to the fire hydrant lever guard 750 and the nozzle fixing bracket 780 according to the present embodiment, the hose 720 unintentionally contacts the fire hydrant lever 760 when the hose 720 is pulled out, and the fire hydrant lever 760 may malfunction. can be eliminated.

In addition, according to the above arrangement, the operator can easily access the fire hydrant lever 760 by wide opening the fire hydrant lever 760 in the upward direction, and can quickly extinguish the fire.

In addition, as shown in FIG. 4, the fire hydrant lever 760 according to the present embodiment is arranged so that the opening and closing of the fire hydrant valve 770 is switched by the vertical operation. The fire hydrant lever 760 according to the present embodiment may be provided, for example, so that the fire hydrant valve 770 is opened by tilting it downward. According to the arrangement described above, the operator can more easily and intuitively open and close the fire hydrant valve 770 as compared with the horizontal operation.

In addition, according to the above arrangement, the space inside the housed hose 720 can be further reduced compared to the operation in the horizontal direction, and the length of the housing 15 in the width direction can be suppressed to about 1780 mm. be able to.

Next, the arrangement of the internal structure of the fire hydrant 10 according to this embodiment will be described with reference to FIG. 5 . FIG. 5 shows a side view and longitudinal sectional view of the fire hydrant 10 with reference to AA to II in FIG.

The AA side view shows the connection port of the piping section 710 that connects with an external mechanism that supplies fire-fighting water. In addition, the BB longitudinal sectional view shows the piping part 710 arranged behind the first sliding door 100 in the closed state. According to the arrangement described above, when the first sliding door 100 is opened, the piping section 710 arranged in the fire hydrant section can be opened, and efficient maintenance work becomes possible.

In addition, the CC vertical cross-sectional view shows a hose 720 that is housed in an inwardly wound manner and a hose cage 800 that houses the hose 720 .

The DD vertical cross-sectional view also shows a fire hydrant lever guard 750 for preventing contact between the hose 720 and the fire hydrant lever 760 . As described above, the fire hydrant lever guard 750 according to the present embodiment is arranged so as to cover the left-right direction and the downward direction of the fire hydrant lever 760 in the inner space of the hose 720 that is housed in the inward winding type. According to the fire hydrant lever guard 750 according to this embodiment, it is possible to prevent unintended operation of the fire hydrant lever 760 due to contact with the hose 720 from the left and right direction.

In addition, the EE vertical cross-sectional view shows a fire hydrant lever 760 and a nozzle 730 arranged in the space inside the hose 720 that is housed in the inward winding type. The nozzle 730 according to this embodiment is fixed to the housing 15 by, for example, two nozzle fixing fittings 780 above the fire hydrant lever 760 . According to the above arrangement, the nozzle 730 and the fire hydrant lever 760 can be accommodated in the inner space of the hose 720 without providing a separate arrangement space, and the housing 15 can be made more compact. In addition, according to the nozzle fixing bracket 780 according to the present embodiment, it is possible to both fix the nozzle 730 and prevent the hose 720 from contacting the fire hydrant lever 760 from above in a limited space. It becomes possible to carry out safe fire extinguishing activities.

In addition, the FF vertical cross-sectional view shows the notification unit 500 arranged between the fire hydrant unit and the fire extinguisher storage unit 910 . The extension portion 105 of the first slide door 100 and the extension portion 205 of the second slide door 200 are accommodated in the notification portion 500 according to the present embodiment in a vertically displaced state. By displacing the extensions 105 and 205 in the vertical direction, it is not necessary to increase the length of the housing 15 in the depth direction by two extensions. can be reduced to

In addition, the GG longitudinal sectional view and the HH longitudinal sectional view show the fire extinguisher 90 housed in the fire extinguisher housing portion 910 located inside the second sliding door 200 . According to the above configuration, the fire extinguisher 90 can be taken out without the door protruding to the guard passage pw side or the road rw side, and safer fire fighting can be realized.

<<1.3. Operation flow >>
Next, the operation flow of the fire hydrant 10 according to this embodiment will be described in detail. FIG. 6 shows the fire hydrant 10 with the first sliding door 100 and the second sliding door 200 fully open.

The operator grips the first handle 110 or the second handle 210 and moves the first slide door 100 or the second slide door 200 toward the outside of the housing 15 to open each slide door. can door. The first slide door 100, the second slide door 200, the first roller 120, and the second roller 220 gradually protrude from the outside to the outside of the housing 15 as the operator opens the door.

In addition, the first sliding door 100 may be provided so as to stop sliding once when the nozzle 730 and the hose 720 can be taken out (when the hose housing portion 740 is opened). According to such a configuration, a general fire extinguisher or the like can prevent the piping section 710 from being unnecessarily exposed, and can perform the fire extinguishing operation intuitively without being confused about the operation.

It should be noted that the temporary stop of the slide can be realized by using, for example, a magnet for temporary fixation. An operator such as a maintenance worker operates the first handle 110 to further open the first slide door 100, which is temporarily fixed with the hose storage section 740 opened, thereby opening the piping section 710. and maintenance work can be performed.

Next, the operator puts his or her hand between the two nozzle fixing fittings 780 and pulls out the nozzle 730 in a state where the hose storage section 740 is opened by opening the first slide door 100 . Also, the operator operates the fire hydrant lever 760 in the water discharge direction (for example, downward) to open the fire hydrant valve 770 and pull out the hose 720 .

By the above operation, the hose 720 is unwound from the inside and is pulled out safely without coming into contact with the fire hydrant lever 760 while contacting the nozzle fixing fitting 780 , the fire hydrant lever guard 750 and the outside of the hose cage 800 .

The flow of operation of the fire hydrant 10 according to the present embodiment has been described above. As described above, according to the fire hydrant 10 according to the present embodiment, the nozzle 730 and the fire hydrant lever 760 can be stored in the inner space of the hose 720 that is stored in an inward winding manner. 730, operating the fire hydrant lever 760, and pulling out the hose 720 can be easily and quickly performed.

Further, according to the configuration of the fire hydrant 10 according to the present embodiment, the fire hydrant lever 760 is surrounded by the fire hydrant lever guard 750 in the left and right downward direction and by the nozzle fixing metal fitting 780 in the upward direction. By extending the fire hydrant lever 760 from the water discharge stop position and the water discharge state position to the front side, it is possible to avoid malfunction of the fire hydrant lever 760 due to contact with the hose 720 .

<2. Summary>
As described above, the fire hydrant 10 according to one embodiment of the present invention includes a hose 720, a nozzle 730 attached to the tip of the hose 720 and having a handle, and a fire hydrant lever provided in the center of the hose storage portion 740. 760, a fire hydrant lever guard 750 provided around the fire hydrant lever 760, covering three directions of the fire hydrant lever 760 and preventing contact of the hose with the fire hydrant lever 760, and a fire hydrant lever guard provided on the open end side, nozzle 730 and a nozzle fixture for fixing the handle of the nozzle.

According to such a configuration, it is possible to both ensure the safety of the fire hydrant and reduce the size of the fire hydrant.

Although the preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, the present invention is not limited to such examples. It is obvious that a person having ordinary knowledge in the technical field to which the present invention belongs can conceive of various modifications or modifications within the scope of the technical idea described in the claims. It is understood that these also naturally belong to the technical scope of the present invention.

10 Fire hydrant 720 Hose 730 Nozzle 740 Hose housing 750 Fire hydrant lever guard 760 Fire hydrant lever 770 Fire hydrant valve 780 Nozzle fixture

Claims (3)

a hose;
a nozzle attached to the tip of the hose and having a handle;
a hose storage unit that stores the hose in an inner winding manner;
a fire hydrant lever provided in the center of the hose housing;
A cover that is provided around the fire hydrant lever, covers three directions of the fire hydrant lever, and prevents the hose from contacting the fire hydrant lever;
a fixture provided on the open end side of the cover for supporting the handle;
has
The cover is provided to cover the lateral direction and the downward direction of the fire hydrant lever,
The fixing bracket is provided at a position capable of preventing contact of the hose with the fire hydrant lever in the upward direction of the fire hydrant lever.
Fire hydrants for roads. at least two said fasteners;
having
The fire hydrant for roads according to claim 1. The fire hydrant lever is arranged so that opening and closing of the fire hydrant valve is switched by operation in the vertical direction,
The fire hydrant for roads according to claim 1 or 2 .

Images