KR101995986B1 - Fire-fighting apparatus for easy suppressing fire - Google Patents

Abstract

The present invention relates to a firefighting apparatus for a rapid fire suppression, which is characterized by comprising: a pressure-resistance container (10) in which a fire extinguishing agent is filled; a deflective body (20) installed in the pressure-resistance container (10); a glass valve (30) having ammonia gas, which is installed between the pressure-resistance container (10) and the deflective body (20); a discharge pipe (40) installed at the deflective body (20) to collect heat, and allowing the fire extinguishing agent to be discharged to the surroundings; an opening and closing device (50) opening and closing the discharge pipe (40); a temperature sensor (60) measuring the temperature; an ammonia gas sensor (70) detecting the ammonia gas; a control unit (80) receiving a detection signal from the temperature sensor (60) or the ammonia gas sensor (70) to operate the opening and closing device (50); and a stopper (90) which restricts an excessive rotation of the discharge pipe (40) while breaking the glass valve (30). Therefore, the present invention can rapidly respond in the case of a fire to suppress the fire at an initial stage, is advantageous in suppressing a fire because the fire extinguishing agent is sprayed on an extensive region, and can significantly improve credibility of the product by implementing a smooth operation under any circumstance in a fire outbreak situation or in normal situations.

Description

FIELD OF THE INVENTION [0001] The present invention relates to a fire-fighting apparatus for easy suppressing fire,

FIELD OF THE INVENTION [0002] The present invention relates to a fire fighting apparatus for rapid fire suppression.

In general, a fire-fighting device is installed in a room or a kitchen of a building. When the fire-fighting device is heated to a predetermined temperature, the fire-fighting device is automatically opened to spray the extinguishing agent stored in the pressure-

Korean Patent No. 10-1071178 discloses a conventional fire-fighting apparatus, which discloses a technique capable of extinguishing a fire at an early stage by collecting the heat through the heat-collecting plate in the event of a fire, thereby promptly transmitting the fire.

However, this conventional technique has the advantage of collecting heat, but the fire extinguishing agent concentrates in the local range due to the setting angle of the heat collecting plate when injecting the fire extinguishing agent, and there is a fundamental problem that it is difficult to suppress the surrounding fire.

1. Korean Registered Patent No. 10-1071178 (October 10, 2011) 2. Korean Registered Patent No. 10-1390581 (2014.04.30)

Disclosure of the Invention The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a fire extinguishing system capable of promptly responding to a fire and suppressing fire at an early stage, The present invention has been made in view of the above problems, and it is an object of the present invention to provide a fire fighting fire fighting apparatus capable of improving the reliability of a product.

According to an aspect of the present invention,

A pressure-resistant container provided with a nozzle so that the filled fire extinguishing agent can be injected to the outside;

A deflector fixed to the pressure-resistant container through a frame;

A glass valve disposed between the nozzle and the deflector so as to close the hole of the nozzle, the glass valve being filled with ammonia gas;

A first ring portion having a first engaging hole communicating with the inside thereof and detachably mounted on the frame so as to cover the periphery of the nozzle, a first cone portion integrally formed with the first ring portion and having a funnel- The first annular portion having an outer circumferential surface formed with a first extinguishing agent exhaust portion through which the extinguishing agent injected through the nozzle is discharged to the outside and a first heat externally flowing through the outer circumferential surface between the first ring portion and the first extinguishing agent exhaust portion, An inner body formed with a discharge portion,

The second ring portion is rotatably fitted on the first ring portion. On the outer circumferential surface of the first ring portion, a second engagement hole communicating with the first engagement hole by rotation is formed. On the other side, the second ring portion and the second ring portion provided with teeth are integrally formed. And a second cone part having a funnel shape having an inner diameter larger than that of the second cone part. The outer surface of the second cone part is communicated with the first extinguishing agent exhaust part by rotation to form a second extinguishing agent exhaust part, And an outer circumferential surface between the second ring portion and the second extinguishing medium discharge portion has an outer body formed with a second heat discharging portion communicating with the first heat discharging portion and discharging the air passing through the first heat discharging portion;

A gear portion that meshes with the teeth of the second ring portion and receives a rotational force to rotate the outer body, and a motor that is operated by a control signal to rotate the gear portion;

A temperature sensor installed in the pressure-resistant container for continuously measuring and outputting the temperature of the heat discharged through the first and second heat discharging units;

An ammonia gas detection sensor installed in the nozzle adjacent to the glass valve for detecting ammonia gas and outputting a detection signal;

A control unit for receiving a detection signal from a temperature sensor or an ammonia gas sensor and operating the motor;

A body portion provided in the pressure-resistant container adjacent to the second ring portion, and a first and a second coupling holes inserted in and out of the body portion and intercommunicating with each other to restrict rotation of the outer body, And a stopper disposed in the body portion and configured to include a spring which is inserted in one direction so that the tip of the impact pin presses the outer circumferential surface of the second ring portion.

The present invention can promptly respond to a fire in the early stage and suppress the fire in the early stage, and can extinguish the fire extinguishing agent to a wide area, which is advantageous in suppressing the fire. There is an advantage that the reliability can be greatly improved.

1 to 3 are an assembled perspective view, an exploded perspective view and a front view of a fire fighting apparatus for fire fighting in accordance with the present invention.
4 is a schematic perspective view of a fast fire fighting fire fighting apparatus according to the present invention.
FIG. 5 is an exploded perspective view showing a jet tube taken separately in a fire fighting apparatus for fire fighting according to the present invention. FIG.
FIG. 6 is a block diagram showing the interrelation between respective components in a fire fighting apparatus for a rapid fire suppression according to the present invention; FIG.
7A to 7D are diagrams for explaining the operation relationship of the fire fighting apparatus for fire fighting according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 4 is a perspective view of a fast fire extinguishing system for fire fighting according to the present invention, and FIG. 5 is a perspective view of a fast fire extinguishing system for fire fighting according to the present invention. FIG. 6 is a block diagram showing a correlation between components of a fire fighting fire fighting apparatus according to the present invention. FIG. 6 is an exploded perspective view of a fire fighting fire fighting apparatus according to the present invention.

1 to 4, a rapid fire fighting fire fighting apparatus according to the present invention includes a pressure vessel 10, a deflector 20, a glass valve 30, an ejection pipe 40, an actuator 50, A temperature sensing sensor 60, an ammonia gas sensing sensor 70, a control unit 80 and a stopper 90. According to this, it is possible to quickly respond to a fire to suppress the fire in the early stage, It is advantageous for suppressing the fire because it can spray, and it is possible to realize smooth operation in any situation, so that the reliability of the product is improved.

Referring to FIGS. 1 to 3, the pressure-resistant vessel 10 is a cylinder in which an extinguishing agent and a high-pressure gas are stored. The nozzle 11 is provided on the lower face so that the extinguishing agent therein can be injected to the outside, A fixture (12) is provided so as to be fixed to the ceiling.

1 to 3, the deflector 20 is installed in the pressure-resistant container 10 via the frame 21, so that the extinguishing agent discharged through the nozzle 11 can be diffused in all directions Function.

The pressure-resistant vessel 10 and the deflector 20 are described in detail in Korean Patent No. 10-1071178 and Korean Patent No. 10-1390581, so that a detailed description thereof will be omitted.

2 and 4, the glass valve 30 is a member filled with ammonia gas therein. In this embodiment, the glass valve 30 is disposed between the nozzle 11 and the deflector 20, .

For example, when the glass valve 30 is blocking the hole of the nozzle 11, the extinguishing agent is not discharged through the nozzle 11, but when the glass valve 30 is broken by the impact, So that the extinguishing agent is discharged through the nozzle 11.

1 to 5, the discharge pipe 40 is a member composed of an inner body 41 and an outer body 42. In this embodiment, the discharge pipe 40 is detachably installed on the frame 21 of the deflector 20 The heat sensing sensor 60 can collect heat when a fire occurs, and it can spread to a wide area when the fire extinguishing agent is sprayed.

The discharge pipe 40 is provided with an outer circumferential surface of the inner body 41 so that the outer body 42 is rotatably fitted so that the first and second extinguishing medium exhaust portions 41b-1 and 42b-1 are opened to communicate with each other, do.

By the opening and closing function of the discharge pipe 40 as described above, the temperature sensor 60 can collect the heat when the fire occurs, and it can spread to a wide area when the fire extinguishing agent is sprayed, There is an advantage of being more advantageous.

The inner body 41 and the outer body 42 are funnel-shaped members having a shape of a downward-facing light whose inner diameter increases from the upper end to the lower end, and is preferably made of a material resistant to heat.

The inner body 41 is constituted by a first ring portion 41a and a first cone portion 41b and forms an integral body.

The first ring portion 41a is detachably attached to the frame 21 by a conventional fixing method so as to cover the circumference of the nozzle 11 and has a first coupling hole 41a-1 .

The outer circumferential surface of the first ring portion 41a may be smoothly processed so that the second ring portion 42a to be described later is inserted and smoothly rotated.

The first cone portion 41b is integrally formed at the lower end of the first ring portion 41a and has a funnel shape with an inner diameter increasing toward the lower side.

A first extinguisher discharge portion 41b-1 is formed on the outer circumferential surface of the first cone portion 41b to communicate with the interior of the first cone portion 41b and discharge the extinguishing agent sprayed through the nozzle 11 to the outside.

A first heat discharging portion 41b-1, which is disposed between the first ring portion 41a and the first extinguishing agent discharging portion 41b-1 and discharges the heat introduced into the first annular portion 41b-1, 2) are formed.

The first extinguisher discharging portion 41b-1 and the first heat discharging portion 41b-2 are formed radially on the outer circumferential surface of the first cone portion 41b with the first ring portion 41a as a center.

The outer body 42 is composed of a second ring portion 42a and a second cone portion 42b and is integrally formed with each other and is rotatably coupled to the outer circumferential surface of the inner body 41. [

The second ring portion 42a is rotatably fitted in the first ring portion 41a.

A part of the outer circumferential surface of the second ring portion 42a is formed smoothly and the second engaging hole 42a-1 communicating with the inner circumferential surface is formed and the remaining portion is processed into the shape of a tooth 42a-2.

The tooth 42a-2 meshes with the gear portion 51 of the switch 50 to be described later and as the teeth 42a-2 rotate by the rotation of the gear portion 51, (42) is rotated.

The second cone portion 42b is integrally formed at the lower end of the second ring portion 42a and has a funnel shape with an inner diameter increasing toward the lower side.

The outer surface of the second cone portion 42b is communicated with the first extinguishing agent discharge portion 41b-1 by rotation so that the extinguishing agent that has passed through the first extinguishing agent discharge portion 41b-1 is discharged to the outside. The base 42b-1 is formed.

The upper end of the second cone portion 42b is disposed between the second ring portion 42a and the second extinguishing agent discharge portion 42b-1 and communicates with the first heat discharge portion 41b-2, And a second heat discharging portion 42b-2 through which the air passing through the first heat discharging portion 41b-2 is discharged is formed.

The second extinguisher discharge portion 42b-1 and the second heat discharging portion 42b-2 are formed radially on the outer circumferential surface of the second cone portion 42b around the second ring portion 42a.

Since the first extinguisher discharge portion 41b-1 of the inner body 41 is clogged by the outer body 42, the heat that has flowed into the inner portion is gathered at the upper portion so that the first and second heat discharging portions 41b-2 And 42b-2, so that the temperature sensor 60 can be accurately and quickly detected.

On the other hand, the first extinguishing agent exhaust part 41b-1 of the internal body 41, which is blocked by the external body 42 when the external body 42 is rotated by the switch 50, The fire extinguishing agent injected through the nozzle 11 can be injected to a wide range as well as a local range through the first and second extinguishing agent exhaust portions 41b-1 and 42b-1, It is very advantageous in terms of suppression.

When the first and second extinguishing agent exhaust portions 41b-1 and 42b-1 are completely communicated with each other, the first and second coupling holes 41a-1 and 42a-1 are also communicated with each other, When the engaging holes 41a-1 and 42a-1 are in communication with each other, the striking pin 92 of the stopper 90 described later is pierced so that the glass valve 30 is struck and broken.

As described above, according to the present invention, when the fire is generated by the opening and closing function of the discharge pipe 40, heat can be collected by the temperature sensor 60 to be rapidly collected and spread to a wide area when the fire extinguishing agent is sprayed There is an advantage that fire suppression becomes more advantageous.

1 to 4 and 6, the switch 50 is composed of a gear portion 51 and a motor 52. In this embodiment, the switch 50 is operated by the control portion 80 to block the outer body 42 The first extinguishing agent discharging portion 41b-1 of the inner body 41 having the function of rotating the outer body 42 rotates so as to be opened while being communicated with the second extinguisher discharging portion 42b-1 of the outer body 42 .

The gear portion 51 meshes with the teeth 42a-2 of the discharge pipe 40 and rotates in engagement with the teeth 42a-2 by the motor 52. Accordingly, the outer body 42 is rotated by the inner body 41 Of the first ring portion 41a.

The motor 52 is a servomotor operated by a control signal. The servomotor 52 is installed in the pressure-resistant container 10 and is operated by the control unit 80 to rotate the gear unit 51 connected to each other via the shaft.

The temperature sensing sensor 60, the ammonia gas sensing sensor 70 and the control unit 80 will be described in detail with reference to FIGS. 1 to 4 and 6. FIG.

The temperature sensing sensor 60 is installed on the nozzle 11 so as to be disposed on the upper portion of the first and second heat distributing portions 41b-2 and 42b-2 while being disposed outside the outer body 42, (41b-2, 42b-2), and outputs the measured temperature to the controller (80).

The ammonia gas detection sensor 70 is installed in the nozzle 11 so as to be disposed inside the inner body 41 and outputs the detected ammonia gas to the control unit 80 when the ammonia gas is filled in the glass valve 30 do.

The control unit 80 receives the sensing signal from the temperature sensor 60 or the ammonia gas sensor 70 and operates the motor 52.

For example, when the controller 80 receives the temperature value continuously measured from the temperature sensor 60 and compares the temperature value with the preset value, it determines that the motor 52 is operated immediately The rotation of the motor 52 causes the gear portion 51 to rotate and the outer body 42 engaged with the gear portion 51 via the teeth 42a-2 is rotated.

The first extinguishing agent discharge section 41b-1 of the inner body 41 which has been clogged by the outer body 42 due to the rotation of the outer body 42 is smoothly moved to the second extinguisher discharge section 42b- And the extinguishing agent sprayed through the nozzle 11 is sprayed to the surroundings through the first and second extinguishing agent exhaust portions 41b-1 and 42b-1.

As described above, the present invention is advantageous in that it can be sprayed to a wide area through the first and second extinguishing agent discharge portions 41b-1 and 42b-1 as well as the local range when the extinguishing agent is sprayed, .

On the other hand, even though the fire detection sensor 60 is not operating normally despite the occurrence of a fire, even though the glass valve 30 is broken and the fire extinguishing agent is not ejected through the nozzle 11 or a fire does not occur, The ammonia gas sensor 70 senses the ammonia gas flowing out of the glass valve 30 and outputs the ammonia gas to the control unit 80 when the ammonia gas sensor 70 detects that the extinguishing agent is sprayed through the nozzle 11 And the control unit 80 receives the detection signal from the ammonia gas sensor 70 to operate the motor 52. The rotation of the motor 52 causes the gear unit 51 to rotate, And the teeth 42a-2 are engaged with each other.

The first extinguishing agent discharge section 41b-1 of the inner body 41 which has been clogged by the outer body 42 due to the rotation of the outer body 42 is smoothly moved to the second extinguisher discharge section 42b-1 of the outer body 42 And the extinguishing agent sprayed through the nozzle 11 is sprayed to the surroundings through the first and second extinguishing agent exhaust portions 41b-1 and 42b-1.

As described above, the present invention has an advantage that the reliability of the product can be greatly improved since it can be smoothly operated under any circumstances, regardless of whether it is a fire or a fire.

2 to 4 and 7B, the stopper 90 includes a body 91, a striking pin 92, and a spring 93. In this embodiment, the stopper 90 includes a second engaging hole 42a-1 Is provided in the pressure-resistant vessel (10) so as to be adjacent to the outer circumferential surface of the second ring portion (42a) in which the pressure vessel (10) is formed and restricts excessive rotation of the outer body (42) And breaks (breaks) the glass valve 30 so as to be injected.

The body portion 91 is a rectangular parallelepiped member whose interior is opened toward the outer peripheral surface of the second ring portion 42a and is disposed in the pressure-resistant vessel 10 and adjacent to the outer peripheral surface of the second ring portion 42a.

The striking pin 92 has a first and a second engaging holes 41a-1, 42a-1, 42a-1, 42a-1 and 42a-1 So as to restrict the rotation of the outer body 42 and break the glass valve 30 so that the extinguishing agent is sprayed through the nozzle 11.

Further, the striking pin 92 is elastically pressed by the spring 93, and the tip portion presses the outer circumferential surface of the second ring portion 42a.

The spring 93 is a coil spring which is inserted in the body 91 and pushes the impact pin 92 toward the outer peripheral surface of the second ring portion 42a.

The tip 92 of the impact pin 92 presses the outer circumferential surface of the second ring portion 42a and the outer surface of the outer tube 42 of the jet tube 40 is pressurized, The second engagement hole 42a-1 and the first engagement hole 41a-1 are mutually communicated at any moment in the course of the rotation of the outer body 42, When the two engagement holes 41a-1 and 42a-1 are communicated with each other, the striking pin 92 is passed through the first and second engagement holes 41a-1 and 42a-1 by the elastic force of the spring 93 At the same time, the impact pin 92 strongly hits the glass valve 30 which blocks the hole of the nozzle 11 and the glass valve 30 is pressed against the pressure vessel 10 is sprayed through the nozzle 11. [

As described above, the stopper 90 of the present invention is very advantageous in that it restricts the rotation of the ejection pipe 50 and breaks (collapses) the glass valve 30 so that the extinguishing agent can be injected through the nozzle 11 useful.

FIGS. 7A to 7D are diagrams for explaining the operation of the fire fighting apparatus for fire fighting according to the present invention, and the operation and effect of the present invention will be described with reference to FIG.

First, a fire fighting apparatus according to the present invention is installed on a ceiling.

When a fire occurs in the installed state as described above, the heat generated by the fire flows into the interior through the lower portion of the discharge pipe 40, and the incoming heat collects at the upper portion to form the first and second heat transfer portions 41b-2 and 42b -2).

The exhausted heat is measured by the temperature sensing sensor 60 in real time and output to the control unit 80. The control unit 80 receives the continuously measured temperature value from the temperature sensing sensor 60, The gear portion 51 is rotated by the rotation of the motor 52 and the gear portion 51 is rotated by the rotation of the motor 52. When the gear portion 51 is rotated, And the outer body 42 engaged with each other through the teeth 42a-2 rotate.

The first extinguishing agent discharge section 41b-1 of the inner body 41 which has been clogged by the outer body 42 due to the rotation of the outer body 42 is smoothly moved to the second extinguisher discharge section 42b-1 of the outer body 42 It is open to mutual communication.

Meanwhile, the second engagement hole 42a-1 and the first engagement hole 41a-1 are mutually communicated at any moment during the rotation of the outer body 42 of the discharge pipe 40 by the switch 50, When the first and second engagement holes 41a-1 and 42a-1 are communicated with each other, the engagement pin 92 is engaged with the first and second engagement holes 41a-1 and 42a-1 And at the same time the impact pin 92 strongly hits the glass valve 30 blocking the hole of the nozzle 11 so that the glass valve 30 can be inspected at a stroke of time The fire extinguishing agent filled in the pressure-resistant vessel 10 is ejected through the nozzle 11.

The extinguishing agent sprayed through the nozzle 11 is discharged to the lower side of the discharge pipe 40. In the course of discharging downward, the extinguishing agent discharged through the first and second extinguishing agent discharge units 41b-1 and 42b- Spraying takes place.

As described above, the present invention is advantageous in that it can be sprayed to a wide area through the first and second extinguishing agent discharge portions 41b-1 and 42b-1 as well as the local range when the extinguishing agent is sprayed, .

On the other hand, when the temperature sensor 60 is not operating normally, even though the glass valve 30 is broken due to fire and the fire extinguishing agent is sprayed through the nozzle 11 or a fire does not occur, The ammonia gas sensor 70 senses the ammonia gas flowing out of the glass valve 30 and outputs the ammonia gas to the control unit 80. When the ammonia gas is detected by the ammonia gas sensor 70, The control unit 80 receives the detection signal from the ammonia gas sensor 70 and operates the motor 52. The rotation of the motor 52 causes the gear unit 51 to rotate, The outer body 42 engaged with the body 42a-2 is rotated.

The first extinguishing agent discharge section 41b-1 of the inner body 41 which has been clogged by the outer body 42 due to the rotation of the outer body 42 is smoothly moved to the second extinguisher discharge section 42b-1 of the outer body 42 It is open to mutual communication.

Meanwhile, the second engagement hole 42a-1 and the first engagement hole 41a-1 are mutually communicated at any moment during the rotation of the outer body 42 of the discharge pipe 40 by the switch 50, When the first and second engagement holes 41a-1 and 42a-1 are communicated with each other, the engagement pin 92 is engaged with the first and second engagement holes 41a-1 and 42a-1 And at the same time the impact pin 92 strongly hits the glass valve 30 blocking the hole of the nozzle 11 so that the glass valve 30 can be inspected at a stroke of time The fire extinguishing agent filled in the pressure-resistant vessel 10 is ejected through the nozzle 11.

The extinguishing agent sprayed through the nozzle 11 is discharged to the lower side of the discharge pipe 40. In the course of discharging downward, the extinguishing agent discharged through the first and second extinguishing agent discharge units 41b-1 and 42b- Spraying takes place.

As described above, the present invention has an advantage that the reliability of the product can be greatly improved since it can be smoothly operated under any circumstances, regardless of whether it is a fire or a fire.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

10: pressure-resistant container 11: nozzle 12:
20: deflector 21: frame 30: glass valve
40: jet pipe 41: inner body 41a: first ring portion
41b: first cone part 42: outer body 42a: second ring part
42b: second cone portion 50: switch 50: gear portion
52: motor 60: temperature sensor
70: ammonia gas sensor 80: control unit 90: stopper
91: body part 92: striking pin 93: spring

Claims (1)

A pressure vessel (10) provided with a nozzle (11) so that the filled fire extinguishing agent can be injected to the outside;
A deflector (20) fixed to the pressure-resistant vessel (10) via a frame (21);
A glass valve (30) disposed between the nozzle (11) and the deflector (20) so as to close the hole of the nozzle (11) and filled with ammonia gas therein;
A first ring portion 41a having a first engaging hole 41a-1 communicating with the inside of the frame 21 so as to be removably attached to the frame 21 so as to cover the periphery of the nozzle 11, And a first cone portion 41b having a funnel shape and having a larger inner diameter toward the lower side. The outer surface of the first cone portion 41b is provided with a first extinguisher discharge portion 1 formed on the outer circumferential surface between the first ring portion 41a and the first extinguishing agent discharge portion 41b-1 and the first heat discharging portion 41b-2 through which the heat introduced into the inside is discharged, (41)
A second engagement hole 42a-1 is formed on one outer peripheral surface of the first ring portion 41a so as to be in communication with the first engagement hole 41a-1 by rotation. A second ring portion 42a provided with the second ring portion 42a-2 and a funnel-shaped second cone portion 42b integrally formed with the second ring portion 42a and having an inner diameter increasing toward the lower side, A second extinguisher discharging portion 42b-1 is formed which communicates with the first extinguishing agent discharging portion 41b-1 by rotation to discharge the extinguishing agent passed through the first extinguishing agent discharging portion 41b-1 to the outside And an outer circumferential surface between the second ring portion 42a and the second extinguisher discharge portion 42b-1 is communicated with the first heat discharging portion 41b-2, (42) formed with a second heat discharging portion (42b-2) through which the air of the second heat discharging portion (42b-2) is discharged.
A gear portion 51 that engages with the teeth 42a-2 of the second ring portion 42a and receives a rotational force to rotate the outer body 42, a motor 52 that is operated by a control signal to rotate the gear portion 51 (50);
A temperature sensor 60 installed in the pressure-resistant vessel 10 for continuously measuring and outputting the temperature of the heat discharged through the first and second heat discharging units 41b-2 and 42b-2;
An ammonia gas detection sensor 70 installed on the nozzle 11 adjacent to the glass valve 30 for detecting ammonia gas and outputting a detection signal;
A control unit 80 for receiving a sensing signal from the temperature sensor 60 or the ammonia gas sensor 70 to operate the motor 52;
A body portion 91 provided in the pressure-resistant vessel 10 adjacent to the second ring portion 42a and a first and second engagement holes 41a-1 A striking pin 92 which penetrates through the nozzle 11 to restrict the rotation of the outer body 42 and breaks the glass valve 30 so that the extinguishing agent is sprayed through the nozzle 11, And a stopper (90) made of a spring (93) inserted in the first ring portion (42a) and pushing the tip of the knocking pin (92) in one direction so as to press the outer peripheral surface of the second ring portion (42a) .

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