JP2017113336A - Fire hydrant device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire hydrant device including a nozzle cover that is not obstructive when using a maintenance valve or the like and, when a fire hose nozzle is held by a nozzle catch, prevents a personnel from forgetting to cover the upper end face of the fire hose nozzle by the nozzle cover.SOLUTION: A fire hydrant device 1 includes: a nozzle catch 17 that removably holds a fire hose nozzle 16, with a tip end side thereof facing upward; and a nozzle cover 23 that covers a tip end face of the fire hose nozzle 16, with the fire hose nozzle 16 held by the nozzle catch 17. The nozzle cover 23 includes a stationary piece 29 fixed to a mounting face 27 inside a housing 3, and a cover body 31 rotationally connected to the stationary piece 29. The fire hydrant device further includes attitude holding means that regulates a turning range in which the cover body 31 is rotationally turned and makes it hold a prescribed attitude. The prescribed attitude is such an attitude that, when the fire hose nozzle 16 is attached to the nozzle catch 17, the cover body 31 and the fire nose nozzle 16 interfere to prevent the fire hose nozzle 16 from being held by the nozzle catch 17.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a fire hydrant device installed in a tunnel or the like.

  Fire hydrant devices installed in tunnels, etc., are descending doors that slide down and move downward rather than turning the door forward so that the door does not interfere with vehicle traffic even when the door is open The thing provided with (refer patent document 1) is known.

In the fire hydrant device, a fire extinguishing nozzle is attached to the tip of a wound hose. The fire extinguishing nozzle is detachably held by a member called a nozzle catch so that it can be easily removed during use.
When the door rotates forward, the nozzle catch may be attached to the back side of the door, but in the case of a descending door like the fire hydrant device disclosed in Patent Document 1, the nozzle catch is provided on the door. I can't.
In this case, the nozzle catch is provided on the main body side and is held by the nozzle catch in a state where the tip of the fire extinguishing nozzle is directed upward for easy removal.

Since the tip of the fire-extinguishing nozzle is open, dust will enter the fire-extinguishing nozzle if the opening is held in an upward direction. Therefore, in order to prevent this, a cover body that covers the opening at the upper end of the fire extinguishing nozzle is provided.
In particular, in the case of a foam fire hydrant, it is preferable to provide a cover body because dust adversely affects foaming of the foam fire extinguishing agent.

JP 2006-181057 A

Before describing the problems to be solved by the invention, the configuration of a fire hydrant apparatus in which a nozzle cover, which is a feature of the present invention, is installed will be outlined.
As shown in FIGS. 11 to 13, the fire hydrant device 100 can be opened and closed to a box-shaped housing 3, a front panel 5 having an opening 5 a provided on the front surface of the housing 3, and an opening 5 a of the front panel 5. And a descending door 7 provided in the housing.

  As shown in FIGS. 11 to 13, a hose storage portion 9 that stores a hose 8 wound in an inner winding is provided in the housing 3. In the housing 3, a piping system 11 having a fire hydrant valve and an automatic pressure regulating valve is provided on the right side of the hose storage portion 9. The piping system 11 has a distal end side connected to the proximal end side of the hose 8 and a proximal end side connected to a water supply source (not shown).

The hose storage portion 9 includes two rod-like bodies 13 extending from the inner wall upper surface of the main body 3 to the inner wall lower surface, and two strips 15 bent in a substantially L shape extending from the rod-like body 13 to the inner wall rear surface of the main body 3. It is prepared for. Then, the hose 8 is drawn from between the two rod-like bodies 13.
The front panel 5 is provided on the front surface of the housing 3, and an opening 5a is formed in a front part where the hose 8 is pulled out, and a descending door 7 is attached so that the opening 5a can be closed.

A fire extinguishing nozzle 16 is attached to the tip of the hose 8, and in the stowed state, as shown in FIGS. 11 and 12, the fire extinguishing nozzle 16 is pointed upward by a nozzle catch 17 fixed inside the housing 3. Removably held.
The lowering door 7 moves downward along the front panel 5 as shown in FIG. 14 (b) and is held by the nozzle catch 17 as shown in FIG. 14 (a) when the lowering door 7 is opened. The fire extinguishing nozzle 16 is visible in a removable state.
In addition, a maintenance valve 19 is provided immediately above the fire-extinguishing nozzle 16 held by the nozzle catch 17 so that the water discharge pressure of the fire hydrant can be checked without pouring water into the hose 8.

In the fire hydrant device 100 configured as described above, for example, as illustrated in FIG. 15, the nozzle cover 101 that covers the upper end surface of the fire-extinguishing nozzle 16 is attached to the housing 3 in a state where the fire-extinguishing nozzle 16 is held by the nozzle catch 17. Assume that it is installed inside.
In this case, when the test hose 21 is attached to the maintenance valve 19, the nozzle cover 101 gets in the way and the test hose 21 is not attached to the maintenance valve 19, and the maintenance valve 19 cannot be used. In particular, when the casing 3 is thinned, the space in the casing 3 is reduced and this tendency is large.

In order to avoid such a state, it is conceivable that the nozzle cover 101 is detachably attached inside the housing 3 and the nozzle cover 101 is removed when the maintenance valve 19 is used as shown in FIG. (The fire-extinguishing nozzle 16 is attached to the tip of the test hose 21 to perform the test.) However, after the nozzle cover 101 is removed and the maintenance valve 19 is tested, the fire-extinguishing nozzle 16 is held by the nozzle catch 17 again. In addition, it is possible to forget to attach the nozzle cover 101.
If it is forgotten to attach the nozzle cover 101, it is conceivable that dust or the like accumulates on the fire extinguishing nozzle 16 and hinders the fire fighting activity as described above.

  The present invention has been made to solve such a problem, and when the maintenance valve is used, it does not get in the way, and when the fire-extinguishing nozzle is held by the nozzle catch, the nozzle cover covers the upper end surface of the fire-extinguishing nozzle. It aims at providing the fire hydrant apparatus provided with the nozzle cover which does not forget to cover.

(1) A fire hydrant device according to the present invention includes a nozzle catch provided inside a housing and detachably held with the tip side of the fire nozzle facing upward, and the fire catch nozzle held by the nozzle catch, A fire hydrant device including a nozzle cover that covers a distal end surface of a fire-extinguishing nozzle, wherein the nozzle cover is fixed to a mounting surface inside the housing, and is rotatably connected to the fixing piece. A cover body, and a posture holding means for restricting a rotation range in which the cover body rotates downward and holding the cover body in a predetermined posture. When the fire-extinguishing nozzle is attached to the nozzle catch, the cover body and the fire-extinguishing nozzle interfere with each other so that the fire-extinguishing nozzle cannot be held by the nozzle catch.

(2) Further, in the above-described (1), the posture holding means may rotate the cover body by projecting from the mounting surface to which the fixed piece portion is mounted and contacting the lower surface of the cover body. It is a protrusion member which regulates the above.

(3) Further, in the above-described (1), the posture holding means is an extending portion that is provided on the cover body and extends downward, and the extending portion has the cover body on the lower side. When rotating toward, the cover body is held in a predetermined posture by coming into contact with any part inside the housing.

(4) Further, in the above (1), the posture holding means is constituted by the nozzle catch, and when the cover body is rotated downward, the nozzle catch is attached to the cover body. It abuts and holds the cover body in a predetermined posture.

  In the present invention, the nozzle cover includes a fixed piece portion fixed to the mounting surface inside the casing, and a cover body rotatably connected to the fixed piece portion, and the cover body is arranged below. And a holding means for holding the cover body in a predetermined position by restricting a rotation range of the cover body when the fire extinguishing nozzle is attached to the nozzle catch. And the fire-extinguishing nozzle interfere with each other so that the fire-extinguishing nozzle cannot be held by the nozzle catch, so that maintenance can be performed by rotating the cover body downward when the fire-extinguishing nozzle is removed from the nozzle catch. When using the valve, the cover body does not get in the way, and when holding the fire extinguishing nozzle on the nozzle catch, the cover body can be rotated upward to cover the upper end of the fire extinguishing nozzle Because unless it is impossible to hold the extinguishing nozzle, an effect that when to be held by the nozzle catch not forget to cover the upper end face of the extinguishing nozzle by the nozzle cover.

It is a figure which expands and shows a part of fire hydrant apparatus which concerns on Embodiment 1 of this invention. It is a perspective view of the nozzle cover used for the fire hydrant apparatus shown in FIG. It is a fire hydrant apparatus which concerns on Embodiment 1 of this invention, Comprising: It is a figure which shows the state which removed the fire-extinguishing nozzle. It is explanatory drawing explaining the function of the attitude | position holding means in the fire hydrant apparatus which concerns on Embodiment 1 of this invention. It is a figure which expands and shows a part of fire hydrant apparatus which concerns on Embodiment 2 of this invention. It is a fire hydrant apparatus which concerns on Embodiment 2 of this invention, Comprising: It is a figure which shows the state which removed the fire-extinguishing nozzle. It is a figure which expands and shows a part of fire hydrant apparatus which concerns on Embodiment 3 of this invention. It is a fire hydrant apparatus which concerns on Embodiment 3 of this invention, Comprising: It is a figure which shows the state which removed the fire-extinguishing nozzle. It is a figure which expands and shows a part of fire hydrant apparatus which concerns on Embodiment 4 of this invention. It is a fire hydrant apparatus which concerns on Embodiment 4 of this invention, Comprising: It is a figure which shows the state which removed the fire-extinguishing nozzle. It is a figure for demonstrating the subject which this invention tends to solve, Comprising: It is a front view of the fire hydrant apparatus to which the nozzle cover of this invention is attached. It is a figure for demonstrating the subject which this invention tends to solve, Comprising: It is a side view of the fire hydrant apparatus to which the nozzle cover of this invention is attached. It is a figure for demonstrating the subject which this invention tends to solve, Comprising: It is a top view of the fire hydrant apparatus to which the nozzle cover of this invention is attached. It is the figure (FIG. 14 (a)) which expands and shows a part of FIG. 11, and operation | movement explanatory drawing (FIG.14 (b)) of a descent | fall type door. It is a figure for demonstrating the subject which this invention tends to solve, Comprising: It is a figure explaining the arrangement | positioning relationship between the fire extinguishing nozzle of a holding state, and a maintenance valve. It is a figure for demonstrating the subject which this invention tends to solve, Comprising: It is a figure explaining the use condition of a maintenance valve.

[Embodiment 1]
Since the basic structure of the fire hydrant device 1 according to the present embodiment is the same as that shown in FIGS. 11 to 13, the characteristic part of the present invention will be described below with reference to FIGS. 1 to 4. 1 to 4, the same parts as those shown in FIGS. 11 to 13 are denoted by the same reference numerals.

  The fire hydrant apparatus 1 according to the present embodiment includes a nozzle catch 17 that is provided inside the housing 3 and holds the extinguishing nozzle 16 so that the tip side of the fire-extinguishing nozzle 16 is detachable upward, and the fire-extinguishing nozzle 16 is held by the nozzle catch 17. In this state, a nozzle cover 23 that covers the distal end surface of the fire extinguishing nozzle 16 and a protruding member 25 as a posture holding means that holds the posture of the cover body 31 (see FIG. 2) in the nozzle cover 23 in a predetermined posture are provided. .

<Nozzle catch>
The nozzle catch 17 holds the fire-extinguishing nozzle 16 provided at the tip of the hose 8 when the hose 8 is housed. As shown in the enlarged view of FIG. 1, the overall shape has a C shape. Is formed. As shown in FIG. 1, the nozzle catch 17 is fixed to a mounting surface 27 in the housing 3 such that the plate surface is in the horizontal direction.

<Nozzle cover>
As shown in FIG. 2, the nozzle cover 23 includes a fixed piece 29 fixed to the mounting surface 27, and a cover body 31 rotatably connected to the fixed piece 29. When the fixed piece 29 is fixed to the main body, the cover body 31 is rotated by its own weight. However, it may be such that it does not rotate depending on its own weight but is manually rotated by a person.

<Protruding member>
The protruding member 25 functions as a posture holding means of the present invention, and is provided so as to protrude from the mounting surface 27 to which the fixed piece portion 29 is fixed, as shown in FIG.

In the fire hydrant device 1 of the present embodiment configured as described above, when the fire-extinguishing nozzle 16 is held by the nozzle catch 17, the lower surface of the cover body 31 of the nozzle cover 23 is extinguished as shown in FIG. 1. The end face of the fire-extinguishing nozzle 16 is covered by coming into contact with the upper end face of the nozzle 16. This can prevent dust from accumulating on the fire extinguishing nozzle 16.
As shown in FIG. 1, the front end surface of the protruding member 25 is close to the fire extinguishing nozzle 16, but there is no obstacle to holding the fire extinguishing nozzle 16 on the nozzle catch 17.

  When the fire extinguishing nozzle 16 is removed from the nozzle catch 17, the cover body 31 is rotated by its own weight as shown in FIG. 3, and the posture is maintained in a state where the lower surface is in contact with the distal end surface of the protruding member 25. At this time, a space is formed under the maintenance valve 19 because the cover body 31 is rotated. As shown in FIG. 16, the maintenance hose 21 and the fire-extinguishing nozzle 16 are attached to the maintenance valve 19 for use. It is possible.

  As shown in FIG. 4, if the fire extinguishing nozzle 16 is inserted into the nozzle catch 17 in a state where the cover body 31 is folded, the cover body 31 becomes in the way and the fire extinguishing nozzle 16 cannot be inserted into the nozzle catch 17. . Therefore, the user must lift the cover body 31 by hand and insert the fire extinguishing nozzle 16 into the nozzle catch 17. Thus, when the fire-extinguishing nozzle 16 is held by the nozzle catch 17, the cover body 31 always covers the upper end surface of the fire-extinguishing nozzle 16 and forgets to cover the upper end surface of the fire-extinguishing nozzle 16 with the nozzle cover 23. Absent.

As described above, according to the present embodiment, the cover body 31 does not forget to cover the upper end surface of the fire-extinguishing nozzle 16 with the cover body 31 and the cover body 31 is removed when the fire-extinguishing nozzle 16 is removed from the nozzle catch 17. Since it is folded by its own weight, there is no obstacle to the use of the maintenance valve 19.
As described above, the cover body 31 may not be rotated by its own weight, but may be rotated by being pushed down by hand.

[Embodiment 2]
In the second embodiment, the posture holding means is configured by a bent piece 31a provided at the end of the cover body 31 (see FIGS. 5 and 6). The bent piece portion 31a corresponds to an extending portion provided in the cover body of the present invention.
As shown in FIG. 5, in the state where the fire extinguishing nozzle 16 is held by the nozzle catch 17, the fire extinguishing nozzle 16 is in a state where the lower surface of the cover body 31 is in contact with the upper end surface of the fire extinguishing nozzle 16 as in the first embodiment. Cover the top edge of the. At this time, the bent piece portion 31 a covers a part of the side surface of the fire extinguishing nozzle 16.

As shown in FIG. 6, in a state where the fire extinguishing nozzle 16 is removed from the nozzle catch 17, the cover body 31 rotates by its own weight, the lower end of the bent piece portion 31 a contacts the mounting surface 27, and the cover body 31 is inclined. The posture is maintained in the state of. At this time, as shown in FIG. 6, the space below the maintenance valve 19 is formed by the rotation of the cover body 31, so that the maintenance valve 19 can be used.
If an attempt is made to insert the fire extinguishing nozzle 16 into the nozzle catch 17 in this state, the cover body 31 is in the way and the fire extinguishing nozzle 16 cannot be held by the nozzle catch 17.

As described above, also in the second embodiment, the same effect as in the first embodiment can be obtained.
In the above description, an example in which the bent piece 31a is provided at the tip of the cover body 31 as an example of the extending portion is shown. However, the present invention is not limited to this and is provided in the cover body 31. If it is a member that extends downward, the position where it is provided is not particularly limited. For example, if extending pieces extending downward from the peripheral edge of the cover body 31 are provided not only at the end portion of the cover body 31 but also at the side edge, when the fire extinguishing nozzle 16 is covered, Since not only the end face but also a part of the side face can be covered, there is an effect that dust becomes more difficult to enter.

In the above description, the fixing piece portion 29 of the nozzle cover 23 is fixed to the mounting surface 27 as a wall surface that rises in the vertical direction. However, as shown in FIGS. The ceiling surface arranged in the horizontal direction may be fixed to this as the mounting surface 27.
In this case, as shown in FIG. 8, when the fire-extinguishing nozzle 16 is removed, the cover body 31 hangs downward. However, when the fire-extinguishing nozzle 16 is inserted into the nozzle catch 17 in this state, the cover body 31 Is pressed by the fire-extinguishing nozzle 16, the bent piece portion 31a abuts against the wall surface rising in the vertical direction, and the fire-extinguishing nozzle 16 cannot be pushed further into the nozzle catch 17, and the bent piece portion 31a functions as a posture holding means. Can demonstrate.

[Embodiment 3]
In the third embodiment, the posture holding means is configured by the nozzle catch 17. The basic shape of the nozzle cover 23 is the same as that of the first embodiment, and the same reference numerals as those of the first embodiment are given, but the extension length of the cover body 31 is longer than that of the first embodiment. Is set.

  In a state where the fire extinguishing nozzle 16 is held by the nozzle catch 17, as shown in FIG. 9, the cover body 31 covers the upper end surface of the fire extinguishing nozzle 16, and in a state where the fire extinguishing nozzle 16 is removed from the nozzle catch 17, FIG. As shown, the front end of the cover body 31 comes into contact with the nozzle catch 17 and maintains an oblique posture. For this reason, the fire-extinguishing nozzle 16 cannot be inserted into the nozzle catch 17 in this state, and the same effect as in the first embodiment can be achieved.

  In the above description, the descending door 7 is exemplified as the door body that is attached to the front panel 5 of the fire hydrant device so as to be openable and closable. However, the type of the door body is particularly limited in the fire hydrant device of the present invention. Never happen.

DESCRIPTION OF SYMBOLS 1 Fire hydrant apparatus 3 Housing 5 Front panel 5a Opening part 7 Lowering door 8 Hose 9 Hose accommodating part 11 Piping system 13 Rod-shaped body 15 Band plate 16 Fire extinguishing nozzle 17 Nozzle catch 19 Maintenance valve 21 Test hose 23 Nozzle cover 25 Projection member 27 Mounting surface 29 Fixed piece 31 Cover body 31a Bent piece 100 Fire hydrant device (conventional example)
101 Nozzle cover (virtual example)

Claims (4)

A nozzle catch provided inside the housing and detachably holding the extinguishing nozzle with its tip side facing upward, and a nozzle cover covering the extinguishing nozzle tip surface while holding the extinguishing nozzle on the nozzle catch Fire hydrant device,
The nozzle cover includes a fixed piece portion fixed to a mounting surface inside the housing, and a cover body rotatably connected to the fixed piece portion,
There is posture holding means for restricting a rotation range in which the cover body turns downward and holding the cover body in a predetermined posture. The predetermined posture attaches the fire-extinguishing nozzle to the nozzle catch. The fire hydrant apparatus has a posture in which the cover body and the fire-extinguishing nozzle interfere with each other and the fire-extinguishing nozzle cannot be held by the nozzle catch.   2. The projecting member according to claim 1, wherein the posture holding means is a projecting member that regulates the rotation of the cover body by projecting from the mounting surface to which the fixed piece portion is mounted and contacting the lower surface of the cover body. The fire hydrant device described.   The posture holding means is an extension portion provided on the cover body and extending downward, and the extension portion is provided in any one of the interior of the housing when the cover body rotates downward. The fire hydrant device according to claim 1, wherein the cover body is held in a predetermined posture by abutting against the portion.   The posture holding means is constituted by the nozzle catch, and when the cover body rotates downward, the nozzle catch abuts the cover body and holds the cover body in a predetermined posture. The fire hydrant device according to claim 1, wherein the device is a fire hydrant device.

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