JP3094076U - Gas fire extinguishing system linked with extinguishing agent injection - Google Patents

Abstract

(57) [Problem] To provide a gas shut-off fire extinguishing device linked to a fire extinguishing agent injection, in which the supply of gas is shut off in conjunction with the injection of a fire extinguishing agent to extinguish a fire. SOLUTION: A vertically extending upper end portion of an installation base table 1 is bent, and a bar tube 2 having a tube port directed downward, and the tube port of the bar tube is sealed with a heat-fusible alloy. A thermal head 4 having a weight 3 fixed thereto, a fire extinguishing cylinder detachably connected to a lower portion of the rod tube 2 via an open / close valve, and a gas shutoff valve 6 which can be opened / closed by operating a lever. With the fire, the heat-fusible alloy of the thermal head 4 is melted by the fire and the opening is opened, and the fire extinguisher is sprayed. At the same time, the weight 3 is unlocked and the wire 8 is pulled by the weight 3 falling, A gas shut-off fire extinguishing apparatus linked with a fire extinguishing agent injection, wherein a gas supply from the pipe tube 9 to the pipe tube 10 is cut off by operating a lever 7 of the gas cut-off valve 6.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention is designed to shut off the gas supply and extinguish the fire by interlocking with the injection of the extinguishing agent. The present invention also relates to a gas shutoff fire extinguisher device interlocking with the extinguishant injection.

[0002]

[Problems to be solved by conventional techniques and devices]

  Fire extinguisher filled with fire extinguisher has traditionally been used in homes and workplaces where firearms are used. And a simple spray-type fire extinguisher cylinder are provided. If you use a fire cylinder or the like, you can extinguish the fire by manually injecting it in case of fire. It is common.

[0003]   However, for example, ignite a gas stove and leave it on the spot with a tempura pan. There are many cases in which the oil in the tempura pan ignites and ignites after leaving the fireplace. Even if there is a Leh type fire extinguisher cylinder, it will not be extinguished and it will be important or extinguished If the gas supply is not interrupted even if there is a fire, there is a risk of secondary disaster due to gas leakage.

[0004]   Further, Japanese Patent Application Laid-Open No. 4-64370 (Japanese Patent Publication No. 8-17831) discloses a carbon dioxide gas box. Place the firing pin and the firing pin facing each other, and the fire will cause the solder alloy in the heat-sensitive part to melt The end is disengaged, and the elastic force of the spring causes the firing pin to become the sealing part of the carbon dioxide gas cylinder. When the collision occurs, the sealing part is opened and at the same time the electric circuit operates and the gas cutoff valve closes. Disclosed is an automatic fire extinguishing system that simultaneously shuts off gas plugs that are closed. According to the automatic fire extinguisher, the electric circuit powered by the battery is built in, and the battery is extinguished. If worn, the electric circuit will be broken even if the firing pin collides with the sealed part of the carbon dioxide gas cylinder. The gas shutoff valve may not be closed because it does not operate, and the battery is not used. Even if the electric circuit operates with the electric power supplied from the power company, the electric wiring is complicated. It cannot be installed easily and quickly anywhere.

[0005]   Therefore, the present invention does not operate the electric circuit to shut off the gas supply path. We have provided a gas shutoff extinguishing system interlocking with the extinguishant spray that is designed to Even if you automatically extinguish the fire extinguishing agent and extinguish the fire, the gas supply is cut off. The task is to do.

[0006]

[Means for Solving the Problems]

  In order to achieve the above object, the present invention has taken the following means.   That is,   (1) Stand on the installation base stand almost vertically, bend the upper end, and direct the pipe mouth downward. The rod tube and the tube mouth of the rod tube are attached so that the opening is sealed with a heat-melting alloy, The thermal head with the dead weight attached to it can be attached to and detached from the lower part of the rod tube via an open / close valve. Equipped with a connected fire extinguishing cylinder and a gas cutoff valve that can be opened and closed by operating the lever, The heat melts the heat-melting alloy of the thermal head, opening the opening and spraying the extinguishing agent. At the same time, the weight is released from the lock, and the weight is dropped to activate the lever of the gas cutoff valve. , A fire extinguishing agent injection train, characterized in that the supply of gas is cut off. It is a moving gas fire extinguisher, so that the thermal head should be located above the gas stove. If it is installed and the oil is ignited by oil in a tempura pan etc. When the thermal head is heated, the heat-meltable alloy of the thermal head melts and the sealed opening is removed. When opened, fire extinguishing agent is sprayed from the opening to extinguish the fire and When it falls and the weight is dropped, the lever of the gas cutoff valve is operated, The gas supply can be cut off without depending on the operation of the passage.

[0007]   (2) As means for operating the lever of the gas cutoff valve when the weight falls Connect the weight that is locked to the thermal head and the lever of the gas cutoff valve with a wire. The wire is pulled by the falling weight, and the lever of the gas cutoff valve is operated. The gas shutoff extinguisher interlocking with the extinguishant injection according to the preceding paragraph (1), characterized in that It is a fire device.

[0008]   (3) Also, to prevent the flame and heat of the flame from radiating upward when a fire breaks out, As a means for enhancing the heat receiving effect of the thermal head, an umbrella-shaped member is provided above the thermal head. (1) or (2) described above, characterized in that the heat receiving cover of is attached and mounted. It is a gas-blocking fire extinguisher that works in conjunction with the extinguishing agent injection.

[0009]   (4) The gas shutoff valve is the left and right of a pipe joint that has three horizontal and vertical pipe openings. Insert the lever from either side of the tube in the horizontal direction, seal it with a flexible bellows, and insert it. Install a conical plug with a compression spring at the front end of the inserted lever. , With the embolus retracted and the compression spring compressed, engage the lever locking part with the pipe edge. If the lever is stopped, the embolus is pushed by the compression spring by releasing the locking part of the lever. The above-mentioned (1) to (3), characterized in that the tube mouth of is closed and cut off. ) A gas shutoff fire extinguisher interlocking with the fire extinguishing agent injection according to any one of 1), and an electric circuit A gas cutoff valve (switch Valve) can also be used

[0010]

[Embodiment of device]

  An embodiment of the present invention will be described with reference to the drawings showing an example. As shown, stand upright on the installation base 1 and bend the upper end so that the pipe mouth faces downward. Girder rod tube 2 and the tube mouth of the rod tube so that the opening is sealed with a heat-melting alloy. And the thermal head 4 with the weight 3 locked, and an opening / closing valve at the lower part of the rod tube 2. Fire cylinder 5 that is detachably connected, and gas shutoff that can be opened and closed by operating the lever The valve 6 is provided, and the heat-melting alloy of the heat-sensitive head 4 is melted by the fire and the opening is opened. At the same time as the extinguishing agent is jetted, the weight 3 is disengaged, and the weight 3 falls and the wire -8 is pulled, the lever 7 of the gas cutoff valve 6 is operated, and the pipe tube 9 is disconnected. The gas supply to the tube 10 is cut off.

[0011]   The installation base 1 is designed so that the rod tube 2 and other mounting members can be stably held. Therefore, it is preferably formed of cast iron casting or the like. The holding member 11 is attached, and the boss joint 12 is fitted to the upper surface plate 11a of the support member 11. It is attached by tightening the belt 12a.

[0012]   The rod tube 2 is a connection joint 13 screwed onto the upper end surface of the boss joint 12 and attached. It is erected almost vertically by tightening the tightening nut 13a on the In addition, the pipe mouth is directed downward at a substantially central position above the crater of a gas stove, etc. The thermal head 4 whose opening is sealed with a fusible alloy is attached to the thermal head 4, and The weight 3 is locked and attached.

[0013]   An opening / closing valve 14 is attached to the lower end of the boss joint 12 below the rod tube 2, A fire extinguisher cylinder 5 is connected to the laterally projecting end of the opening / closing valve 14, and The fire extinguishing agent filled in the battery 5 is supplied to the rod tube 2 through the opening / closing valve 14, and the heat-sensitive It is designed to stop at the sealed part of the hood 4.

[0014]   One end of a wire 8 is tied to the weight 3 attached to the thermal head 4 by being locked. The wire 8 is attached to the wire guide 15, 1 provided at the upper end of the rod tube 2. A gas cutoff valve 6 mounted on the back of a lower support member 11 guided by The other end is tied to the lever 7 and the gas shutoff valve 6 is normally open. The piping tube from the gas supply source to the gas stove, etc. The flammable gas is being supplied to the valve 10.

[0015]   Then, for example, the oil in the tempura pan placed on the gas stove ignites and ignites. In that case, the heat of the flame melts the heat-meltable alloy of the heat-sensitive head 4 to open the opening. When the fire extinguishing agent from the fire extinguishing cylinder 5 is jetted downward to extinguish the fire, The weight 3 locked to the lower part of the cable 4 falls, and the wire 8 is pulled by the fall of the weight 3. Then, when the lever 7 of the gas cutoff valve 6 is operated, the gas cutoff valve 6 is closed. Growling. Make sure that the flame and heat from a fire do not dissipate upwards. In order to enhance the heat receiving effect of the thermal head 4, a heat receiving cover 16 is provided above the thermal head 4. Is attached and installed.

[0016]   The main part configured as described above will be described in more detail with reference to FIGS. Then, FIG. 2 is a longitudinal sectional view of a main part showing an embodiment of the fire extinguishing cylinder connection part, and FIG. FIG. 3 is a cross-sectional view of a main part showing an embodiment of an end portion, where (A) is a perspective view of the main part in section and (B) is a front view of the main part. FIG. 4 is a longitudinal sectional view, and FIG. 4 is a sectional view of an essential part showing an embodiment of the gas cutoff valve. FIG. 4B is a cross-sectional view of the main part of FIG.

[0017]   In FIG. 2, the support member 11 is attached to the upper surface of the installation base stand 1, and the boss joint 12 The lower end portion of the rod tube 2 which is erected substantially vertically through the taper is tapered to the upper end surface of the boss joint 12. -Insert the sleeve 13b in the connection joint 13 that is set up by screwing it into a male screw. Then, by tightening the tightening nut 13a, the sleeve 13b is moved to the lower end of the rod tube 2. And the upper end of the connecting joint 13 so as to prevent leakage from the connecting portion. The open / close valve 14 is a piece without a handle with the handle 14a facing downward. One side should have a hole at the lower end of the boss joint 12 and be fitted into the boss joint 12 and then welded to prevent leakage. It is installed like this.

[0018]   A female screw portion 14b and a male screw portion are provided on the protruding end portion of the opening / closing valve 14 which projects in the lateral direction. 14c is machined, and the pin 17 is attached to the center of the screw hole of the female screw portion 14b. The lock nut 18 is screwed into the male screw portion 14c, By connecting and screwing the connection screw portion 5a into the female screw portion 14b, the O-ring 1 9 and 19a are compressed and sealed so as not to leak, and are erased by the pin 17. The state where the valve opening of the fire cylinder 5 is pushed and the fire extinguishing agent filled in the fire cylinder 5 is ejected. Is locked by the lock nut 18 and is connected. Fire extinguishing cylinder 5 is commercially available Aerosol simple fire extinguisher cylinders are used, and extinguishing agents such as halon and freon are generally used. Is filled.

[0019]   The extinguishing agent sprayed by connecting the fire extinguishing cylinder 5 is generated by turning the handle 14a. It is supplied to the rod tube 2 through an opening / closing valve 14 that opens and closes the flow path. The opening / closing valve 14 is a needle shaft to which the handle 14a is attached. The needle valve has a structure in which the tapered portion 14d at the tip closes the flow path. If it has a structure that opens and closes the flow path by turning a dollar or lever, it is limited to this is not.   Then, by turning the handle 14a to open the flow path of the opening / closing valve 14, The extinguishing agent from the fire extinguishing cylinder 5 is supplied to the upper end portion of the rod tube 2.

[0020]   As shown in FIG. 3, the upper end of the rod tube 2 is touched by the tube opening 2a bent downward. The thermal head 4 is screwed and attached, and the opening of the thermal head 4 is approximately 100 to Sealed with a heat-melting alloy that melts at a temperature of about 110 ° C, Make sure that the supplied fire extinguishing agent stops at the opening of the thermal head 4, The dar 4a and the heat sensitive plate 4b are suspended.   In addition, the thermal head uses a commercially available sprinkler head that discharges water and extinguishes fire. Is also good.

[0021]   When the heat-melting alloy is melted by receiving the heat of flame at the time of a fire at the heat-sensitive plate 4b, heat is generated. The opening of the head 5 is opened and the fire extinguishing agent is sprayed, and at the same time, the heat sensitive holder 4a and The heat sensitive plate 4b is pushed downward and falls.

[0022]   A plurality of locking claws 3 are provided on the upper surface of the heat-sensitive holder 4a suspended from the heat-sensitive head 4. The weight 3 is attached by locking a, ..., And a downward expanding hole 3c is provided at the center of the weight 3. It is hollowed out so that the heat sensitive plate 4b can directly receive flame heat from below. When the heat sensitive holder 4a and the heat sensitive plate 4b fall, they are locked by the locking claws 3a, .... The weight 3 is disengaged from the weight 3 and falls, and is attached to the side of the weight 3 by providing a ring 3b. The wire 8 is pulled.

[0023]   Further, the heat receiving cover 16 mounted and mounted on the upper portion of the thermal head 4 is provided on the rod tube 2. A screw portion 2b is provided at a position where the end portion is bent and directed downward, and the screw portion 2b is provided with a heat receiving cover. A hole is provided at the approximate center of 16 so that it can be sandwiched between nuts 20 and 20 from both sides. It is attached and fixed by tightening, and the edge is bent downward to form an umbrella shape. In case of fire, prevent the flame and heat from dissipating upward, and make a tempura pot. The heat receiving effect is enhanced at a height position where cooking is not hindered.

[0024]   A gas operated by a wire 8 that is pulled when the weight 3 falls. As shown in FIG. 4, the shutoff valve 6 includes horizontal and horizontal pipe openings 6a and 6b and a vertical pipe opening 6a. Either one of the left and right lateral directions (the right side in this embodiment) of the pipe joint having c The lever 7 is inserted from b, and the bellows 21 is sealed and is inserted. A conical plug 23 is attached to the front end of the lever 7 with a compression spring 22 interposed therebetween. The embolus was retracted and contracted, and the locking portion 7a of the lever 7 was locked to the pipe mouth edge portion 6d. In the state (a), the gas cutoff valve 6 is opened, and the hollow pipe 24 is connected to the pipe port 6c. The gas supplied from the piping tube 9 connected through the connecting joint 25 is Passing through the hollow tube 24, the piping tube 10 connected through the connection joint 25, It is supplied to the gas stove, etc.

[0025]   Then, the wire 8 is pulled and the lever 7 of the gas cutoff valve 6 is pulled up. Then, the locking portion 7a of the lever 7 is disengaged from the tube mouth end portion 6d, and the compression spring 2 The embolus 23 is pushed by 2 and the tube opening 24a of the hollow tube 24 connected to the tube opening 6a is The state of (b) closed by the embolus 23 is reached, and the piping tube 9 is connected to the piping tube. The flow path to the valve 10 is cut off, and the gas supply to the gas stove and the like is cut off.   The gas cutoff valve is used for air control in which the flow path is opened and closed by lever operation. A switching valve (commercial item) can also be used as a gas cutoff valve.

[0026]

[Effect of device]

  As described above, the present invention stands vertically on the installation base and bends the upper end. , A rod tube with its mouth facing downward, and the opening of the rod tube is sealed with a heat-melting alloy. The thermal head with the weight attached and the open / close valve at the bottom of the rod tube. And a fire extinguisher that is detachably connected via a valve, and a gas that can be opened and closed by operating the lever. It is equipped with a shutoff valve, and the heat-melting alloy of the thermal head is melted by the fire and the opening is opened. When the fire extinguishing agent is sprayed, the weight is released and the weight is dropped to shut off the gas. Fire extinguishing agent composed of activating the valve lever and cutting off the gas supply Since it is a gas shut-off fire extinguisher that is interlocked with the fire, it has the following effects.

[0027]   (1) A fire broke out when the present invention was installed in a place where there is a risk of fire. If the fire is extinguished automatically and the gas supply is cut off, there is a risk of secondary disaster. Disappears.

[0028]   (2) The weight is dropped at the same time as the extinguishing agent is jetted, and the weight is dropped to prevent the gas cutoff valve from Since the gas supply is cut off by operating the lever, a complicated electricity supply is required. It is simple and can be installed easily and quickly anywhere without the need to build an air circuit.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of an essential part showing an embodiment of a fire extinguisher cylinder connection part.

FIG. 3 is a cross-sectional view of essential parts showing an embodiment of the upper end of a rod tube,
(A) is a perspective view of a cross section of a main part, and (B) is a vertical cross-sectional view of the front part of the main part.

FIG. 4 is a sectional view of an essential part showing an embodiment of a gas cutoff valve,
FIG. 3A is a sectional view of an essential part in an opened state, and FIG. 3B is a sectional view of an essential part in a blocked (closed) state.

[Explanation of symbols] 1 Installation base 2 rod tubes 2a, 6a, 6b, 6c, 24a mouthpiece 2b screw part 3 weights 3a Locking claw 3b ring 3c hole 4 thermal head 4a Thermal holder 4b Heat sensitive plate 5 fire extinguisher 5a Connection screw part 6 gas cutoff valve 6d End of tube mouth 7 lever 7a Locking part 8 wires 9,10 Piping tube 11 Support member 11a Top plate 12 Boss joint 12a, 20 nut 13,25 connection joint 13a Tightening nut 13b sleeve 14 Open / close valve 14a handle 14b Female thread part 14c Male thread part 14d taper part 15 Wire guide 16 Heat receiving cover 17 pin 18 lock nuts 19,19a O-ring 21 bellows 22 Compression spring 23 Embolus 24 hollow tube

Claims (4)

[Scope of utility model registration request] 1. A rod tube which stands upright substantially vertically on an installation base and bends its upper end so that the tube mouth faces downward, and the opening is sealed with a heat-melting alloy in the tube mouth of the bar tube. Installation,
It is equipped with a thermal head that locks the weight, a fire canister that is detachably connected to the lower part of the rod tube via an open / close valve, and a gas cutoff valve that can be opened and closed by operating a lever. The heat melting alloy melts and the opening opens,
When the extinguishant is injected, the weight is disengaged at the same time, the lever of the gas cutoff valve is actuated by dropping the weight, and the gas supply is shut off. Interlocking gas shutoff fire extinguisher. 2. A structure in which the weight locked to the thermal head and the lever of the gas cutoff valve are connected by a wire, and the wire is pulled by the drop of the weight to operate the lever of the gas cutoff valve. The gas cut-off fire extinguishing apparatus interlocked with the fire extinguishant injection according to claim 1. 3. The gas cutoff fire extinguishing apparatus interlocking with the extinguishant injection according to claim 1, wherein an umbrella-shaped heat receiving cover is attached and attached to an upper portion of the thermal head. 4. A gas cutoff valve is sealed by a bellows which can be expanded and contracted by inserting a lever from either one of the left and right lateral pipe openings of a pipe joint having three horizontal and vertical pipe openings. A conical plug is installed with a compression spring interposed at the front end of the inserted lever, and the lever locking part is locked to the pipe rim with the compression spring retracted by retracting the plug. 5. The embolus is pushed by a compression spring when the locking portion of the lever is released to close and shut off the other tube opening. A gas shutoff fire extinguisher device interlocking with the extinguishant injection according to item 1.