JPH073667U - Mobile gas fire extinguishing equipment - Google Patents

Abstract

(57) [Summary] [Purpose] Fire extinguishing equipment can be downsized and
(EN) Provided is a mobile gas type fire extinguishing equipment capable of quickly and easily connecting each container valve and a collecting pipe and efficiently assembling fire extinguishing equipment. [Structure] Two connecting pipes 5 provided between the container valves 2a and 2a of the two gas-based fire extinguishant storage containers 2 and 2 and the collecting pipe 4.
One of the connecting pipes 5a, 5a is provided with one end of the connecting valve 5a via a swivel joint 16 and a universal joint 17, both ends of which are vertically rotatable and horizontally movable.
a is connected to the collecting pipe 4, the other end of the connecting pipe 5b is connected to the other container valve 2a and the collecting pipe 4 via the high pressure cheese 18 and the universal joint 17, and the hose 9 is a storage box. The rack 15 is hooked on the inner upper rack 15 and is stored in a winding shape in the storage box along the inner wall surface of the storage box.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a mobile gas fire extinguishing facility that moves a fire extinguishing gas discharge nozzle to discharge a fire extinguishing gas such as carbon dioxide when a fire occurs.

[0002]

[Prior art]

 Examples of this type of fire extinguishing equipment are shown in FIGS. 7 and 8. This is because a plurality of gas-based fire extinguishant storage containers 2 and 2 are juxtaposed in a storage box 1, and a collecting pipe 4 fixed to a machine frame 3 supporting each of the containers 2 and 2 and each of the containers 2 and 2. The container valves 2a, 2a are connected via connecting pipes 5a, 5b, and the collecting pipe 4 and the openers 6, 6 attached to the respective container valves 2a, 2a are communicated with each other through a communicating pipe 7 to form a machine frame. The base end of the hose 9 wound around the reel 8 provided on the top plate portion 3a of 3 is connected to the collecting pipe 4 via the connecting pipe 10, and the extinguishing fire with the opening / closing lever 11 is provided at the tip of the hose 9. When a fire occurs, the door 1a of the storage box 1 is opened, and the knob 6a of either one of the openers 6 is pressed to open the container valve 2a. As a result, the gas-based fire extinguishing agent in one container 2 is introduced into the other opener 6 via the connecting pipe 5a or 5b, the collecting pipe 4 and the communication pipe 7, and the other container valve 2a is also opened. Subsequently, as shown by the phantom line in FIG. 8, the hose 9 wound around the reel 8 is pulled out by grasping and pulling the nozzle 12, and the opening / closing lever 11 is operated to open the carbon dioxide from the nozzle 12 at the fire scene. Fire extinguishing gas such as gas can be released.

[0003]

[Problems to be solved by the device]

 In the above conventional configuration, when the containers 2 and 2 are installed, the heights of the container valves 2a and 2a of the containers 2 and 2 and the interval between the container valves 2a and 2a are different from those before. Sometimes. Therefore, by using bendable copper pipes as the connecting pipes 5a and 5b, bending them as desired, and connecting both ends thereof to the collecting pipe 4 and the respective container valves 2a and 2a, Although the difference in height and spacing is absorbed, since the connecting pipes 5a and 5b are made to be bendable to some extent, the collecting pipe 4 is made larger than the container valves 2a and 2a. Since it is necessary to install it at a high place, the fire extinguishing equipment becomes large in size, and it takes time and effort to connect the connecting pipes 5a and 5b. Further, it is conceivable to use flexible pipes as the connecting pipes 5a and 5b, but this has a drawback that pressure loss due to unevenness on the inner surface of the flexible pipe is large.

Furthermore, since the reel 8 is used to store the hose 9 in the storage box 1, the fire extinguishing equipment is further enlarged by the height of the reel 8 and the work for mounting the reel 8 is performed. There is also a drawback that it is necessary to carry out at a high place where the scaffolding is poor, and it takes time to assemble the fire extinguishing equipment.

In view of the above-mentioned conventional problems, the present invention makes it possible to downsize the fire extinguishing equipment, and at the same time, to quickly and easily connect each container valve and the collecting pipe and to reduce the pressure loss. It is an object of the present invention to provide a mobile gas fire extinguishing system that rarely occurs, and that the fire extinguishing system can be assembled efficiently.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, the invention according to claim 1 is such that the container valve and the collecting pipe of a plurality of gas-based fire extinguishing agent storage containers arranged in parallel are connected via a connecting pipe, and the collecting pipe and each of the containers are connected. The opener attached to the valve is connected via a communication pipe, and the extinguishing gas discharge nozzle is connected to the collecting pipe via a hose.The opener is operated to move the hose to the outside of the storage box. In the mobile gas type fire extinguishing equipment configured to discharge the fire extinguishing gas from the nozzle, all of the connecting pipes or an appropriate one of the connecting pipes has one end freely rotatable in the vertical direction with respect to the collecting pipe. It is characterized in that it is connected to an externally fitted swivel joint so as to be movable in the horizontal direction, and the other end is connected to the container valve via a universal joint.

According to a second aspect of the invention, a hose hook is provided above the plurality of gas-based fire extinguisher containers so that the hoses can be wound around the plurality of juxtaposed gas-based fire extinguisher containers. It is characterized by having a rack for use.

[0008]

[Action]

 According to the invention of claim 1, even when the heights of the container valves of the respective containers and the intervals between the container valves are different from each other when the containers for storing the gas-based fire extinguishant are juxtaposed, The connecting pipe, one end of which is connected to the collecting pipe via a swivel joint, is moved horizontally along the collecting pipe and rotated vertically, and the other end of the connecting pipe is connected to the container valve via a universal joint. Only by doing so, it is possible to easily connect the container valve and the collecting pipe by absorbing the difference in height and interval described above.

According to the second aspect of the invention, the hose is hooked on the rack so that the hose can be wound around the plurality of gas-based fire extinguishant storage containers, so that the height of the rack is conventionally. The fire extinguishing equipment can be made even smaller by making it significantly lower than that of the reel, and at the time of a fire, pull out the hose that is hooked to the rack by grasping and pulling the nozzle to pull out the hose. Fire-extinguishing gas such as carbon dioxide can be emitted from the nozzle by opening the opening / closing lever of the nozzle.

[0010]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. FIG. 5 and FIG. 6 show the entire mobile gas fire extinguishing system, and a plurality of gas fire extinguishant storage containers 2 and 2 are juxtaposed in the storage box 1 as shown. If the storage box 1 is not provided, it will be placed side by side on the floor, stand, etc. A rack 15 having a substantially U-shaped plan view is horizontally projected from the upper end of the machine frame 3 as a fixed body for fixing the plurality of gas-based fire extinguishant storage containers 2 and 2 arranged side by side. A hose 9 of which part is connected to one end of the collecting pipe 4 is hooked on the rack 15 and is stored in a winding shape along the inner wall surface of the storage box 1, so that the height of the rack 15 is as shown in the figure. 7 and the reel 8 shown in FIG. 8 are significantly lower than that of the reel 8 and therefore, the fire extinguishing equipment can be further downsized as compared with the conventional one.

Further, as shown in FIGS. 1 to 3, one of the connecting pipes 5 a and 5 b connecting the container valves 2 a and 2 a of the respective containers 2 and 2 and the collecting pipe 4 is connected to the position adjusting side. One end of the pipe 5a is connected to one end of the collecting pipe 4 via a swivel joint 16, while the other end thereof is connected to a container valve 2a of one container 2 via a universal joint 17, and the other end One end of the positioning reference side connecting pipe 5b is connected to the other end of the collecting pipe 4 via the high-pressure cheese 18, and the other end is connected to the container valve 2a of the other container 2 via the universal joint 17. It is connected to the.

As shown in FIGS. 2 and 3, the swivel joint 16 is fitted onto the collecting pipe 4 via a watertight packing 20 so as to be vertically rotatable, and is fitted on the collecting pipe 4 at a predetermined interval α. The pair of stopper rings 21, 21 can be horizontally moved between the pair of stopper rings 21, and communicate with the inside of the collecting pipe 4 through a through hole 22 penetrating the collecting pipe 4. By moving the connecting pipe 5a to the position adjusting side connecting pipe 5a, the position adjusting side connecting pipe 5a can be aligned with the opposing container valve 2a. Reference numeral 23 is a safety device attached to the swivel joint 16 for releasing gas to the outside when the gas pressure in the collecting pipe 4 is increased to a predetermined pressure or higher.

As shown in FIG. 4, the universal joint 17 has a flat surface portion 25a on one end side fitted to the recessed step portion 26 of the discharge port of the container valve 2a and an arc-shaped outer peripheral edge portion 25b on the other end side. Is loosely fitted to the other end of the connecting pipe 5a with a certain gap β, and is formed on the inner surface of the connecting pipe 25 made of metal such as brass that abuts the tapered end face 27 of the connecting pipe 5a. The tapered inner surface 28a of the stepped portion abuts on the arcuate outer peripheral edge portion 29 of the flange portion formed on the outer surface of the connecting pipe 5a, and is constituted by the cap nut 28 screwed to the male screw portion 30 of the container valve 2a. As shown by the phantom line in FIG. 4, the connecting packing 25 and the cap nut 28 are integrally movable up and down and left and right to absorb a slight positional deviation between the container valve 2a and the connecting pipe 5a. You can do it. The connecting packing 25 of this embodiment is caulked with a copper seal ring 31 at a portion that abuts the container valve 2a to improve watertightness.

As shown in FIG. 2, the high-pressure cheese 18 has a substantially T-shape in plan view, and is composed of a collecting pipe 4, a positioning reference-side connecting pipe 5 b, and a communicating pipe 7 communicating with the openers 6 and 6. It connects people together.

In the above structure, when a fire occurs, the door 1a of the storage box 1 is opened, and the knob 6a of any one of the openers 6 is pressed to open the container valve 2a. As a result, the gas-based fire extinguishing agent in the one container 2 is introduced into the other opener 6 via the connecting pipe 5a or 5b, the collecting pipe 4 and the communication pipe 7, and the other container valve 2a is also opened. Then, the nose 12 is grasped and pulled to pull out the hose 9 hooked to the rack 15, and the opening / closing lever 11 is opened at the fire site to extinguish the fire extinguishing gas such as carbon dioxide gas from the nozzle 12. Can be released.

When connecting the pipes to the gas-based fire extinguishant storage containers 2 and 2, first, the positioning reference side connecting pipe 5 b other than one end of which is connected to the collecting pipe 4 through the high pressure cheese 18 is connected. After connecting the end to the container valve 2a of the one container 2 via the universal joint 17, the one end is connected to the collecting pipe 4 via the swivel joint 16 The position adjusting side connecting pipe 5a is vertically rotated and horizontally moved. The position adjustment side connecting pipe 5a may then be connected to the container valve 2a of the other container 2 via the universal joint 17. As a result, even when the heights of the container valves 2a and 2a of the containers 2 and 2 and the intervals between the container valves 2a and 2a are different from those before, the differences in the heights and intervals are absorbed, and the container valves 2a and 2a are absorbed. The connecting pipes 2a, 2a and the collecting pipe 4 can be easily connected to each other, and the connecting pipes 5a, 5b do not need to be bent for position adjustment as in the conventional case, and the length thereof can be shortened. Therefore, the collecting pipe 4 can be installed at substantially the same height as the container valves 2a, 2a, and the fire extinguishing equipment can be made smaller than the conventional one.

In the above embodiment, the swivel joint 16 is provided only between the position adjusting side connecting pipe 5 a and the collecting pipe 4, but the swivel joint 16 is also provided between the positioning reference side connecting pipe 5 b and the collecting pipe 4. May be provided. As a result, the position can be adjusted more easily.

[0018]

[Effect of device]

 According to the invention as set forth in claim 1, when each gas-based fire extinguishant storage container is installed, even if the height of the container valves of the respective containers and the interval between the container valves are different from those before, one end is Simply move the connecting pipe connected to the collecting pipe via the swivel joint horizontally along the collecting pipe and rotate it up and down, and connect the other end of the connecting pipe to the container valve via the universal joint. The container valve and the collecting pipe can be easily connected by absorbing the above-mentioned difference in height and interval. Also, in this case, the connecting pipe does not need to be bent for position adjustment as in the conventional case, and its length can be shortened. Therefore, the collecting pipe can be positioned at almost the same height as the container valve. The fire extinguishing equipment can be made smaller than the conventional one. Moreover, since a normal pipe can be used as the connecting pipe, the pressure loss does not increase as in the case of using the flexible pipe.

According to the second aspect of the present invention, the hose is hooked on the rack, and the height of the rack can be made significantly lower than that of the conventional reel. Therefore, the extinguishing equipment can be further downsized. Moreover, since it is not necessary to work at high places, the fire extinguishing equipment can be easily assembled.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a fire extinguishing system according to an embodiment of the present invention.

FIG. 2 is a horizontal sectional view of the main part.

FIG. 3 is a view taken along the line AA of FIG.

FIG. 4 is an enlarged cross-sectional view of portion B of FIG.

FIG. 5 is a vertical sectional front view of the entire equipment.

FIG. 6 is a vertical sectional side view of the entire equipment.

FIG. 7 is a vertical sectional front view showing a conventional example.

FIG. 8 is a vertical sectional side view of the same.

[Explanation of symbols]

 1 Storage Box 2 Gas-Based Extinguishant Storage Container 2a Container Valve 3 Machine Frame (Fixed Body) 4 Collecting Pipe 5a Connecting Pipe 5b Connecting Pipe 6 Opener 7 Communication Pipe 9 Hose 12 Extinguishing Gas Discharge Nozzle 16 Swivel Joint 17 Universal Joint

Claims (2)

[Scope of utility model registration request] 1. A container valve of a plurality of gas-based fire extinguishant storage containers juxtaposed to each other and a collecting pipe are connected via a connecting pipe, and the collecting pipe and an opener attached to each container valve form a communication pipe. A fire extinguishing gas discharge nozzle is connected to the collecting pipe via a hose, and the opener is operated to open.
In a mobile gas-based fire extinguishing facility in which a hose is moved to the outside of a storage box to release a fire extinguishing gas from the nozzle,
All or a suitable one of the connecting pipes is connected at one end to a swivel joint fitted on the collecting pipe so as to be vertically rotatable and horizontally movable, and the other end thereof is a universal joint. A mobile gas fire extinguisher facility, characterized in that it is connected to the container valve via a. 2. A hose hooking rack is provided above the gas-based fire extinguishant storage container so that the hose can be wound around a plurality of gas-based fire extinguishant storage containers arranged side by side. The mobile gas-based fire extinguishing equipment according to claim 1.