JP2001252368A - Fire prevention equipment for fire extinguishing equipment - Google Patents

Abstract

(57) [Problem] To provide an inexpensive, light-weight, and inexpensive fire prevention device that is removable and can more reliably prevent ignition. SOLUTION: A shaft space 20 provided in a building
A pipe 30 for fuel gas and equipment with a pipe 35 for electrically controlling the fire extinguishing liquid are provided therein, and a substantially cloth-like covering 10 made of a material having no air permeability is provided. At the same time, an opening 11 and a closing part 12 capable of detachably closing the covering are formed in an appropriate position of the covering 10, and the covering 10 is provided with the equipment 34, The entirety of the main parts 36, 37 is covered to close the closed part, and the opening 11 is provided with the equipment 34, 36,
By fixing the pipes 32 and 35 or the drawer member associated with 37 in a state of being inserted, the coating by the coating body 10 was made to be a substantially sealed state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a fuel gas pipe and a gas meter in a building, and a shaft space in which equipment for controlling a fire extinguishing liquid and electrically controlling the pipe is provided. The present invention relates to a fire prevention device for a fire extinguishing device that prevents an explosion caused by ignition of a leaked fuel gas.

[0002]

2. Description of the Related Art In recent years, it has been required to install a sprinkler system using a water discharge head or the like in a high-rise house. In order to prevent a water leak accident due to a malfunction of the head, a signal from a fire detector is referred to. There has been proposed a system for starting or stopping water discharge by electrically controlling an electric motor valve, a solenoid valve, or the like provided in a pipe of a sprinkler facility. On the other hand, the water pipe to which this valve is attached is a fuel gas in a shaft space, which is a space formed to be embedded in the wall etc. of a building, especially when the occupied area of one house such as a high-rise house is limited. It is reasonable to pass the pipe together with the pipe, and in this shaft space, in addition to the gas pipe, the valve, and the gas meter, it is also necessary to provide an electric control device for electrically controlling the valve and the valve. Become.

[0003] Here, the equipment used in the space where the gas pipes and the like exist is required to have an explosion-proof specification in order to ensure safety. For this reason, a device for preventing ignition is provided. As a kind of ignition prevention device, as shown in FIG. 9, which is a cross-sectional view thereof, a flameproof explosion-proof structure has been used. Further, the electric control device itself has been made to have intrinsically safe explosion-proof specifications.

[0004] The pressure-resistant explosion-proof structure refers to a structure in which an electric control device is covered with a thick metal casing 100. It is assumed that a gas leaks into the shaft space 110 due to some accident or the like and the casing 100 is temporarily filled with the gas, and an electric spark from an electric control device, for example, a motor 111 ignites the gas and causes an explosion. At this time,
Since the explosion is settled in the casing, it is possible to prevent further effects such as explosion without causing a flame or the like to leak out of the casing 100. In addition, the intrinsically safe explosion-proof specification is to prevent the generation of energy related to ignition from electric control equipment, for example, by suppressing the electric current used for the electric motor and generating an electric spark enough to ignite the gas. To prevent the explosion itself by preventing ignition of the gas.

[0005]

However, in the above explosion-proof structure, there is a problem that the structure needs to be strengthened, so that the structure must be adapted to the equipment to be housed. Was. In addition, if a structure is adopted in which a sturdy metal is assembled with a number of bolts 101, the casing 100 becomes large, and there is a problem that workability becomes extremely poor when the casing 100 is installed in the shaft space 110 having a limited space. . Furthermore, since the casing 100 is formed firmly, it cannot be easily opened,
There has been a problem that maintenance of the electric control equipment disposed inside is not easy. Further, in the intrinsically safe explosion-proof specification, there is naturally a limit to coping with preventing generation of energy related to ignition, that is, improving electric equipment to operate with a weak current.

SUMMARY OF THE INVENTION The present invention has been made in view of the problems in such a conventional flash prevention device, and is detachable, can more reliably prevent ignition, and is space-saving, lightweight and inexpensive. It is intended to provide a device.

[Means for Solving the Problems]

[0007] In order to solve the above-mentioned problems, the present invention according to the first aspect of the present invention provides a fuel gas pipe in a shaft space provided in a building, and equipment which electrically controls a fire extinguishing liquid and has a pipe. And a substantially cloth-like covering made of a material having no air permeability, and an opening in an appropriate position of the covering, and a closing part capable of detachably closing the covering. The covering body covers the entire main part of the equipment in the open state of the closing part and closes the closing part, and the opening is a pipe or the equipment associated with the equipment. By fixing the member pulled out from the device in a state of being inserted, the coating by the coating was made substantially in a closed state.

According to a second aspect of the present invention, there is provided a fuel gas pipe and equipment with a pipe for electrically controlling a fire extinguishing liquid in a shaft space provided in a building. And a bottomed substantially bag-shaped covering made of a material having no air permeability, and having an opening in an appropriate place of the covering, and the covering covers the entire essential part of the equipment. At the same time as covering, the opening is fixed in a state in which a pipe accompanying the equipment or a member drawn from the equipment is inserted, so that the coating by the coating is substantially closed.

According to a third aspect of the present invention, in the first aspect of the present invention, sealing means is provided in a state in which the closing portion of the covering is attached to the closing portion, and the covering by the closing portion is provided. The configuration was such that the body was securely closed. According to a fourth aspect of the present invention, in the first to third aspects of the present invention, the covering has a duct portion formed to be led out from the covering and communicating the inside and the outside of the covering. The duct has a configuration in which a window as an end thereof is connected to the outside of the shaft space, so that the inside of the covering for covering the equipment and the outside of the shaft space communicate with each other.

According to a fifth aspect of the present invention, in the fourth aspect of the present invention, the duct portion is formed in a bellows shape and a plurality of the duct portions are provided, and a window portion of the duct portion opens and closes in the shaft space. A cap that is connected to a freely provided shaft door to allow the inside of the covering body and the outside of the shaft space to communicate with each other in a circulating manner, and that a portion where the window of the duct unit is connected is a cap having an airway hole formed therein. Was provided. Further, the present invention described in claim 6 has the following features.
5. In the present invention according to 5, the coating is made of a resin film, a fiber or a metal woven or nonwoven fabric, or a woven or nonwoven fabric having a lining or laminated structure, or a combination thereof, .

According to a seventh aspect of the present invention, a pipe for fuel gas and equipment which electrically controls a fire extinguishing liquid and has a pipe are provided in a shaft space provided in a building. And a resin or metal case-shaped cover made of a material having no air permeability, and an opening in an appropriate position of the cover, and a cover that is detachable and capable of closing the cover, A duct portion is formed to be led out of the covering body and communicates with the inside and outside of the covering body to form a duct portion, and the covering body covers the entire main portion of the equipment in the open state of the closing portion. While covering and closing the closing part, the opening is fixed in a state where a pipe accompanying the equipment or a member drawn out from the equipment is inserted, so that the coating by the coating is sealed. , Serial duct portion, a window portion which is the end portion is connected to the shaft space external to a structure in which communicates the outside of the inner and the shaft space of the cover member covering the equipment.

BEST MODE FOR CARRYING OUT THE INVENTION

Next, a fire prevention device according to a first embodiment of the fire extinguishing equipment of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view of a fire prevention device for a fire extinguishing equipment according to a first embodiment of the present invention.
(B) FIG. 3 is an enlarged partial perspective view of the cover, FIG. 3 is a perspective view of a fire prevention device for a fire extinguishing device according to the first embodiment of the present invention, and FIG. FIG. 5 and FIG. 6 are explanatory diagrams showing the state of use.

A fire prevention device for a fire extinguisher according to a first embodiment of the present invention comprises a substantially cloth-like covering 10 made of a material having no air permeability and having an opening at an appropriate position in the covering. The fuel gas pipe is formed in a shaft space 20 provided mainly in a building 40 such as a high-rise house, which is configured so as to form a portion 11 and a closing portion 12 in which the covering body can be detachably and closed. The fire extinguishing liquid is electrically controlled to cover the entire main parts of the equipment such as the motor 36 with piping such as the electric pipe 35.

As shown in FIG. 1, the cover 10 is substantially in the form of a cloth, and has a plurality of openings 11 at appropriate positions and a closing portion 12 for detachably closing the cover. And a duct portion 14 formed to be led out from a part of the covering body 10 and communicating the inside and the outside of the covering body.
have. The cover 10 has a substantially cloth shape, and is configured to be in a substantially closed state with a space therein by closing the closing portion 12. Opening 11
Is formed of a through hole formed by a notch so that a pipe or the like can be inserted therethrough. The closing portion 12 formed so as to communicate with the opening portion 11 opens and closes the closing portion 12 so that the cover 10 can be detachably attached and can be closed. In the present embodiment, the closing portion 12 uses a fastener as shown in FIG. 1, and the fastener is made of resin, and any one of the openings 11 to which the closing portion 12 communicates is used as a starting point.・ It has a good structure as an end point. In addition, as means for making the covering body 10 detachable and closable, sewing with a string or the like, sticking with a magic tape, and the like can be mentioned. Further, the closing portion 12 is
Sealing means is provided in a state where the cover 10 is attached to the cover 2, and the cover 10 is securely closed by the cover 12. In this embodiment, as shown in FIGS. 2A and 2B, the tongue piece 13 extends from the vicinity of the closing portion 12 to cover the end of the cover 10 from above the closing portion 12 as a sealing means. , A magic tape or the like.

The cover 10 is made of a flexible material that does not have air permeability. In the present embodiment, a woven or nonwoven fabric having a lining or a laminated structure is used. Here, the lining structure refers to a structure in which a resin such as polyester is meshed, and the laminate structure refers to a structure in which the resin having the laminate structure is laminated in multiple layers. The woven or nonwoven fabric is preferably one having high heat resistance. Further, the cover 10 may be a resin film having no air permeability, or a fiber, a metal woven fabric or a nonwoven fabric, and may have high heat resistance.

A duct 14 formed by drawing out two pipes from appropriate places of the cover 10 communicates the inside of the cover with the outside of a pipe shaft such as a corridor.
Gases and the like flow in and out from 4. Further, since the two ducts 14 are formed at an interval from each other, one of the ducts 14 functions for inflow of gas and the other functions for exhaust, so that the covering 1
An airflow is generated inside the inside of the cover 10, and the gas smoothly circulates inside and outside of the cover 10. Further, the duct portion 14 is formed in a bellows shape, and can be expanded and contracted.

The covering 10 having the above structure is used in the building 4
At 0, it is installed in a shaft space 20 in which a fuel gas pipe 30 and equipment such as a motor 36 which electrically controls the fire extinguishing liquid and has a pipe such as an electric pipe 35 are provided. The shaft space 20 is provided for each house in a high-rise house or the like, and is mainly made of metal. In a high-rise house or the like building 40 as shown in FIGS. It is formed so as to be embedded in a wall surface 41 made of concrete or the like. The shaft space 20 has a main body interior 21 which is a rectangular space, and a shaft door 22 provided to open and close the shaft space 20 from the corridor 43 side. 2 through holes
3 are provided to communicate the inside of the shaft space 20 with the corridor. A gas pipe 30 and a water pipe 32 through which a fire extinguishing liquid flows are mainly provided in the shaft space 20, and a gas meter 31 is attached to the gas pipe 30. It is connected to the sprinkler head 33 attached to the ceiling of the house 42 via a housing. The water pipe 32 is provided with equipment that electrically controls the fire extinguishing liquid and includes a pipe (an electric pipe 35). That is, a control valve 34 for discharging and stopping the fire extinguishing liquid supplied to the sprinkler head 33 is attached to the water pipe 32, and the control valve 34 is operated by a motor 36 connected via an operation shaft. The motor 36 is electrically controlled by an electric control unit 37 connected via an electric tube 35. Needless to say, this equipment is not limited to the operation of the control valve 34 by the motor 36, and may be, for example, equipment that electrically controls a solenoid that opens and closes a valve of a fire extinguishing pump.

The cover 10 covers the entire main part of the equipment. That is, the cover 10 covers the control valve 34, the motor 36, and the electric control unit 37 as shown in FIG. Further, the opening 11 is in a state where an electric pipe 35 to which an electric control unit 37 is attached and a water pipe 32 to which a control valve 34 is attached are inserted. The covering body 10 opens the closing part 12 which can detachably close the covering body 10 and can close the covering body 10.
It becomes almost cloth-like by reaching to. Then, the cover 10 is wrapped in a substantially hollow shape, and a water pipe 32 is
And the electric tube 35 is inserted, and the motor 3
Cover equipment such as No. 6. Thereafter, the covering body 10 closes the water pipe 32 (see FIG. 2A) and the electric pipe 3 by closing the closing parts 12 communicating with the respective openings 11.
5 is inserted in a state where the equipment such as the motor 36 is covered. In addition to the covering by the covering body 10, in the opening 12 where the water pipe 32 and the electric pipe 35 are inserted, the fastener 1 is attached to these pipes.
By being fixed by 6, the covering of the equipment with the covering 10 is in a substantially sealed state. The fastener 16 is made of a material having high flame retardancy and flexibility. It is preferable to use the same material as the material used for the cover 10. When a member other than a pipe such as an electric pipe is drawn from the equipment, the member is inserted into the opening 11.

At this time, the duct 14 formed by being led out of the cover 10 is connected to the shaft door 2 as shown in FIG.
2 is connected to the through hole 23 formed in
A window 17 to which the connection is made is provided with a cap 17 in which an airway hole 18 is formed. The duct part 14
It is formed in a state of being led out of the coating 10, and communicates the inside of the coating 10 with the outside of the shaft space 20, and gas in the coating 10 is discharged from the duct portion 14 to the outside of the shaft space 20. It is supposed to be. Further, since the duct portion 14 is formed in a bellows shape and is expandable and contractible, when the shaft door 22 is opened as shown in FIG. Unnecessary force is not applied to the cover 10 by being pulled and extended by the door 22.

On the other hand, when the shaft door 22 is closed, the duct portion 14 contracts and is housed in the shaft space main body interior 21 without collapsing the duct portion and blocking the passage. The state of communication between the shaft space 20 and the outside of the shaft space 20 is favorably maintained. Further, the duct portion 14 is made of the same material as the covering 10, and
As a result, gas does not flow into the inside of the cover 10 as compared with the case where the cover 10 is retrofitted by sewing or the like, and the sealed state can be further improved. Specifically, when the cover 10 is made of a woven or nonwoven fabric having a lining or a laminated structure, the duct portion 14 is similarly made of a woven or nonwoven fabric having a lining or a laminated structure. When the covering 10 is made of a resin film, the duct 14
Is also composed of a resin hose. The same applies to the case of fiber or metal woven or non-woven fabric.

The cap 17 is mainly made of a resin molded product. As shown in FIG. 3, the window portion 15 which is the end of the duct portion 14 is fitted into a portion where the window portion 15 is connected to the shaft door 22, that is, the through hole 23. It is in a state. As shown in FIG. 3, the airway hole 18 of the cap 17 has a configuration in which rectangular holes are arranged stepwise, thereby preventing foreign matter from entering the inside of the cover 10 from outside the shaft space 20. The shape of the airway hole 18 is not limited to this, and may be a grid-like lattice, a slit, or a hole formed by punching. Further, maintenance of the control valve 34, the motor 36, and the like, which are the equipment covered by the covering 10, is performed by opening the closing portion 12 without removing the covering 10. Although not shown here, an openable portion for maintenance may be provided at an appropriate position of the cover 10, and a fastener may be provided around the openable portion as a closing means.

Next, the state of use of the fire prevention device for a fire extinguisher according to the present invention will be described with reference to FIG. If a crack or the like occurs in the gas pipe 30 at any time and the flammable gas leaks into the main body inside 21 of the shaft space 20, there is a concern about explosion due to ignition of an electric spark that may be generated from the motor 36. However, since the motor 36 is covered with the cover 10 in a substantially closed state,
The risk of explosion is reduced. In the present invention, the coating 1
In order to prevent gas from entering the inside of the cover 10, even if gas enters the inside of the cover 10, the inside of the cover 10 is discharged from the inflow duct as indicated by the arrow in the figure. Since the air flow is generated through the duct, the invading gas is quickly discharged to the outside of the covering 10, that is, to the corridor 43, and the concentration of the gas inside the covering 10 does not rise so as to cause ignition, The risk of an explosion due to ignition is significantly reduced.

In the present embodiment, the configuration in which the two duct portions 14 are led out from the cover 10 has been described.
The present invention is not limited to this mode, and the number of duct portions 14 may be one or many. In addition, the covering 10 may be composed of a plurality of pieces according to the occupied volume of the shaft space 20 and the number of equipment, and in this case, the coverings 10 are connected to each other by the duct 14, and Then, a configuration in which the duct 15 guides the window 15 to the window 15 may be used.

Next, a description will be given of a second embodiment of a fire prevention layer device for a fire extinguishing equipment according to the present invention with reference to the drawings. FIG. 7 is a sectional view of a fire prevention device for a fire extinguishing device according to a second embodiment of the present invention. In the description of the present embodiment, parts having the same functions as those of the first embodiment are denoted by the same reference numerals. As shown in FIG. 7, the covering 10 is formed in a substantially bag shape with a bottom and has an opening 11 in an appropriate place, and equipment for electrically controlling the fire extinguishing liquid, that is, a motor part of an electric valve, Actuator 38 consisting solely of a solenoid or the like is covered and substantially closed.

The cover 10 has a substantially bag shape, and has one opening 11 provided at an appropriate position so that the cover 10 can be opened and closed. In addition, the inside 21 of the shaft space body is
There is an actuator 38 that opens and closes a valve (not shown) provided in the water pipe 32 with an operation shaft, and an electric control unit 37 that electrically controls the actuator 38. Connected by This valve can be manually operated by the lever 39. Further, the operating shaft of the operating unit 38, the operating unit 38, and the electric control unit 37
Are connected in parallel at a position close to each other.

The covering body 10 opens the opening 11 to cover the entire main part of the equipment, that is, the actuator 38, and then covers the opening 11 with the electric tube 35 accompanying the actuator 38 and the actuator 3
By winding it around the operating shaft 8 and fixing the portion with the fastener 16, it is made substantially sealed with a space inside. Further, the use state of the fire prevention device of the fire extinguishing equipment according to the present embodiment is the same as that of the first embodiment except that the gas which has entered the inside of the cover 10 by the duct portion is the same as that of the first embodiment, so that the description thereof Is omitted. In addition, the motor 36 and the electric control unit 37 in FIG. 1 can be individually coated with the configuration of the coating body 10 of the present embodiment. Further, it is better to provide a duct portion 14 as shown in FIG. 1 also in the cover 10 of FIG. 7 so as to communicate with the outside of the shaft space. In addition, the cover 10 does not necessarily need to be fixed to the electric tube 35, and the electric wire that does not use the pipe is
When the electric wire is pulled out from the electric control unit 37, the electric wire is inserted through the opening 11 to be in a substantially sealed state.

Next, a third embodiment of a fire prevention device for a fire extinguisher according to the present invention will be described with reference to the drawings. FIG.
FIG. 6 is a sectional view of a fire prevention device for a fire extinguishing device according to a third embodiment of the present invention. In the description of the present embodiment, parts having the same functions as those of the first embodiment are denoted by the same reference numerals. As shown in FIG. 8, the cover 10 is formed of a resin case and has an opening 11 in an appropriate position.
A cover 12 is formed so as to be detachable and capable of closing the cover, and a duct 14 is formed from the cover, and the cover 10 electrically controls the fire-extinguishing liquid to form an electric tube. The entire main part of the equipment accompanied by 35 is covered to be substantially closed.

The cover 10 is composed of a resin casing having high heat resistance, and has three openings 11 formed of round holes protruding from the side surface, and covers almost the center of the openings 11 to cover the cover. A closing portion 12 which is a cut formed by cutting three surfaces (side surfaces) of the body 10;
2, the cover 10 can be freely opened and closed on the one surface where no cut is formed, and the surface (side surface) opposite to the surface on which the duct portion 14 is formed as shown in FIG.
Then, the cover 10 covers the entire main part of the equipment, that is, the control valve 34, the motor 36, and the electric control unit 37 by opening the closing part 12, and thereafter, the water pipe 32 and the electric pipe 35 are opened by the opening 11. To close and close the closing portion 12, and to engage and hold the hook-shaped engaging portion 19 formed near the closing portion 12 on the surface side where the duct portion 14 is formed. To seal the coating. In addition, if a rubber sheet is inserted into the closed portion 12 or the inside of the opening 11, the hermetically sealed state can be further improved.

The duct portion 14 is made of the same resin material as that of the cover 10 and is derived from the cover in an integrated state, except for the shape and function of the first embodiment. This is the same, and the use state of the flash prevention device of the fire extinguishing equipment according to the present embodiment is the same as that of the first embodiment, so that the description is omitted here. In the present embodiment, the cover 10 is made of a resin having high heat resistance, but is not limited to this form and may be made of metal. At this time, it is desirable that the metal constituting the covering is thin, lightweight, and high in heat resistance. The fire prevention device for a fire extinguishing device according to the present invention has been described as being applied to the shaft space 20 of a high-rise house. However, the present invention is not limited to the high-rise house, and the shaft space in a building such as a high-rise building is not limited thereto. It is also suitably used in the inside.

[0030]

According to the first embodiment of the present invention, there is provided a fire prevention device for a fire extinguishing device, in which a pipe for fuel gas and equipment with the pipe are arranged in a shaft space.
A substantially cloth-like covering made of a material that does not have air permeability, and an opening and a covering that is detachable and capable of closing the covering are formed in place, and the covering forms the closing part. In the open state, the entire main part of the equipment is covered and the closed part is closed, and the opening is fixed in a state where the piping accompanying the equipment or the member drawn out of the equipment is inserted, so that the covering Since the coating is made to be almost closed, it is possible to cover the equipment where the piping is arranged in a complicated way with a lightweight and relatively thin coating, so various shapes can be used in the shaft space where space is limited. It is possible to provide a highly versatile fire prevention device for fire extinguishing equipment, and to easily and inexpensively prevent explosion due to gas ignition. Further, since the closing portion of the covering can be easily opened and closed, maintenance of the equipment inside the covering can be easily performed.

The fire prevention device for a fire extinguisher according to the second embodiment of the present invention is provided with a fuel gas pipe and equipment with the pipe in a shaft space. It has a bottomed, substantially bag-shaped covering made of a material that does not have an opening, and has an opening at an appropriate position.The covering covers the entire essential part of the equipment, and the opening is formed on the equipment. Since the pipes or members drawn out from the equipment are inserted and fixed in a state where they are inserted, the coating by the coating is made to be substantially closed, so that the equipment can be covered with a lightweight and relatively thin coating. So you can
It is possible to easily cope with equipment of various shapes in a limited shaft space of a space, that is, it is possible to provide a highly versatile fire prevention device for a fire extinguishing device,
Explosion due to gas ignition can be easily and inexpensively prevented. Further, since the closing portion of the covering can be easily opened and closed, maintenance of the equipment inside the covering can be easily performed.

Further, in the fire prevention device for a fire extinguishing apparatus according to the first embodiment of the present invention, sealing means is provided in such a manner that the covering part of the covering is attached to the covering part, and the covering part is provided with the covering means. Since the cover is securely closed, the sealed state is further ensured, and the possibility that gas leaked into the shaft space enters the inside of the cover is reduced. A high fire prevention device for fire extinguishing equipment can be provided.

In the fire prevention device for fire extinguishing equipment according to the first and second embodiments of the present invention,
It has a duct part formed by being led out of this coating,
The duct portion has a configuration in which a window, which is an end portion thereof, is connected to the outside of the shaft space so that the inside of the covering body covering equipment and the outside of the shaft space communicate with each other. Since the gas that has entered inside can be discharged, the danger of explosion due to gas ignition can be further reduced, and a more reliable and safe fire prevention device for fire extinguishing equipment can be provided. .

Further, in the fire prevention apparatus for fire extinguishing equipment according to the first and second embodiments of the present invention, a plurality of ducts are formed in a bellows shape and a plurality of ducts are provided. An airway hole is formed at a portion where the window portion of the duct portion is connected to a shaft door that is openably and closably provided in the shaft space, so that the inside of the covering body and the outside of the shaft space can circulate freely. Because the cap provided is provided, the gas that has entered the inside of the covering is quickly discharged to the outside of the covering, and by providing the cap, it is possible to eliminate human-made obstruction to the inside, A highly reliable and safe fire prevention device for a fire extinguishing device can be provided.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a fire prevention device for a fire extinguishing device according to a first embodiment of the present invention.

FIG. 2 is an enlarged partial perspective view of a cover of the ignition device of the fire extinguishing equipment according to the first embodiment of the present invention.

FIG. 3 is a perspective view of a fire prevention device of the fire extinguishing equipment according to the first embodiment of the present invention.

FIG. 4 is an explanatory diagram illustrating an installation state of a fire prevention device for a fire extinguishing device according to the first embodiment of the present invention.

FIG. 5 is an explanatory diagram showing a use state of the fire prevention device of the fire extinguishing equipment according to the first embodiment of the present invention.

FIG. 6 is an explanatory diagram showing a use state of the fire prevention device of the fire extinguishing equipment according to the first embodiment of the present invention.

FIG. 7 is a sectional view of a fire prevention device for a fire extinguishing device according to a second embodiment of the present invention.

FIG. 8 is a sectional view of a fire prevention device for a fire extinguishing device according to a third embodiment of the present invention.

FIG. 9 is a sectional view of a conventional fire prevention device for a fire extinguishing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Covering body 11 Opening part 12 Blocking part 14 Duct part 15 Window part 17 Cap 18 Airway hole 20 Shaft space 22 Shaft door 30 Gas pipe 35 Electric pipe 36 Motor 37 Electric control part

Claims (7)

[Claims] 1. A fuel gas pipe and equipment with a pipe for electrically controlling a fire extinguishing liquid are disposed in a shaft space provided in a building, and have no air permeability. The cover is formed of a substantially cloth-shaped cover made of a material, and an opening is formed at an appropriate position of the cover, and a cover that can detachably close the cover is formed. The cover includes the cover. In the open state, the entirety of the facility device is entirely covered and the closing portion is closed, and the opening is fixed in a state where a pipe accompanying the facility device or a member drawn from the facility device is inserted. Thus, the device for preventing fire of a fire extinguishing device is characterized in that the coating by the coating is substantially closed. 2. A fuel gas pipe and equipment with a pipe for electrically controlling a fire extinguishing liquid are disposed in a shaft space provided in the building, and do not have air permeability. It comprises a bottomed, substantially bag-shaped cover made of a material, and has an opening at an appropriate position on the cover, and the cover covers the entire main part of the equipment, and the opening is A device for preventing fire of a fire extinguishing device, wherein the covering by the covering body is substantially closed by fixing the pipe along with the facility device or a member drawn from the facility device in a state of being inserted. 3. The cover according to claim 1, wherein the cover is provided with sealing means in a state of being attached to the cover, and the cover is securely closed by the cover. Fire prevention equipment for fire extinguishing equipment. 4. The covering body has a duct portion formed to be led out of the covering body and communicating the inside and outside of the covering body, and the duct portion has a window portion which is an end portion of the shaft portion. The device for preventing fire of a fire extinguishing device according to any one of claims 1 to 3, wherein the device is connected to the outside of the space and communicates the inside of the covering body covering the equipment with the outside of the shaft space. 5. The duct portion is formed in a bellows shape and provided in a plural number, and a window portion of the duct portion is connected to a shaft door provided in the shaft space so as to be openable and closable. And a cap having an airway hole formed in a portion where the window of the duct is connected to the outside of the shaft space so as to be circulated.
A fire prevention device for a fire extinguisher device as described in the above. 6. The coating is made of a resin film, a fiber or a metal woven or nonwoven fabric, a woven or nonwoven fabric having a lining or laminated structure, or a combination thereof, and has flexibility. The fire prevention device for a fire extinguisher according to any one of claims 1 to 5, wherein 7. A pipe for fuel gas and equipment for controlling a fire extinguishing liquid electrically and having a pipe are provided in a shaft space provided in the building, and do not have air permeability. It is made of a resin- or metal-made case-shaped cover made of a material, and an opening is provided at an appropriate position of the cover, a cover is detachably and closably provided with the cover, and is formed by being led out from the cover. And a duct portion for communicating the inside and the outside of the covering body with each other. The covering body covers the entire main part of the equipment in a state where the closing portion is open and closes the closing portion. At the same time, the opening is fixed in a state in which a pipe accompanying the equipment or a member drawn from the equipment is inserted, so that the coating by the covering body is sealed, and the duct part has an end. In the department A fire prevention device for a fire extinguishing device, wherein a window portion is connected to the outside of the shaft space to communicate the inside of the covering for covering the equipment with the outside of the shaft space.