KR200371830Y1 - Apparatus for Operating Automatic Fire Extinguisher - Google Patents

Abstract

The operating device of the automatic fire extinguisher according to the present invention is connected to the upper end of the container (1) filled with the extinguishing liquid inside the valve body 10 and the valve body 10 to form a passage through which the extinguishing liquid is discharged to the inside, and the valve body 10 The valve shaft 20 selectively opens and closes the jet passage of the extinguishing liquid by moving up and down, the operating piece 30 connected to the upper end of the valve shaft 10, and the upper side of the operating piece 30 so as to be rotatable. The rotation lever 40 which lowers the valve shaft 20 by pressurizing the operation piece 30 by the rotation, and the motor 50 which drives the rotation lever 40 according to the detection result by the heat sensor. Include. According to such an operation device, since the extinguishing fluid ejection passage is opened and closed by transmitting the rotational force of the motor 50 to the rotation lever 40 and elevating the valve shaft 20 up and down, the power consumption for the opening and closing operation is low, and the opening and closing stably. There is an advantage that the operation can be performed.

Description

Apparatus for Operating Automatic Fire Extinguisher

The present invention relates to an operating device of an automatic fire extinguisher, and more particularly, to an operating device to automatically open and close the passage in which the extinguishing fluid is ejected from the automatic fire extinguisher by driving the motor when a fire is detected.

Recently, automatic fire extinguishers have been used to quickly detect fires in the early stages of fire in places such as high-rise apartments and kitchens in restaurants, and to quickly extinguish them when a fire occurs.

An example of such an automatic fire extinguisher is disclosed in Utility Model Registration No. 285159. The automatic fire extinguisher disclosed in the Utility Model Publication, when a fire is detected by a fire detection sensor, the solenoid is operated while the slide shaft with the rod to overcome the force of the spring to advance, and when the slide sharp is advanced, it is installed at its tip A striking needle is installed in the outlet hole of the valve housing to tear and destroy the sealing membrane closing the outlet hole.When the sealing membrane is broken, an inert gas such as liquid carbon dioxide filled in the fire extinguisher container is vaporized and the outside is discharged through the outlet hole. It is composed of a structure that extinguishes the fire by spraying it.

However, in the conventional automatic fire extinguisher, a strong solenoid must be used to operate the slide shaft, which consumes a lot of power, and a plurality of springs are installed on the slide shaft. There is a problem such as not working.

The present invention has been made in order to solve the above-mentioned conventional problems, an object of the present invention is to open and close the flow passage of the digestive fluid by moving the valve shaft linearly by the drive of the motor, automatic fire extinguisher capable of low power consumption and smooth operation It is to provide an operation device of.

1 is a partially cutaway perspective view of the operating device according to the present invention.

Figure 2 is a plan view of the operating device according to the present invention.

Figure 3a is a side cross-sectional view of the operating device according to the present invention viewed from the back side of Figure 1, showing a state in which the digestive fluid ejection passage is closed.

Figure 3b is a side cross-sectional view of the operating device according to the present invention, a view showing a state in which the digestive fluid discharge passage is open.

<Explanation of symbols for the main parts of the drawings>

1: container 10: valve body

11: connecting passage 12: injection hole

20: valve shaft 21: head portion

30: operation part 31: guide groove

40: rotation lever 43: guide projection

50: motor

An object of the present invention as described above, the valve body is connected to the upper end of the extinguisher container filled with the extinguishing fluid therein to form a passage through which the extinguishing fluid is ejected to the outside, and the discharge passage of the extinguishing fluid by elevating in the valve body A valve shaft for selectively opening and closing, a rotation lever installed on the upper side of the valve shaft to move the valve shaft up and down by the rotation, and a motor driving the rotation lever in accordance with the detection result by the fire monitoring sensor. It is achieved by providing an operating device of an automatic fire extinguisher characterized in that it comprises.

As the discharge passage of the extinguishing liquid, the valve body has a connection passage formed along the longitudinal direction to communicate with the container at the center thereof, and an injection hole formed in the side thereof in a direction perpendicular to the connection passage. The valve shaft is installed in the connecting passage so as to be lifted up and down, the lower end of the head having a diameter larger than the diameter of the connecting passage, so that when the valve shaft is elevated, the head portion selectively opens and closes the lower end of the connecting passage Done.

On the other hand, an operating piece may be interposed between the valve shaft and the pivot lever. In this case, when the tip of the pivoting lever rotates downward to press the upper end of the operating piece, the lower end of the operating piece presses the upper end of the valve shaft so that the operating piece and the valve shaft interlock and descend. In addition, a guide protrusion protrudes from the side of the tip end of the pivot lever, and a guide groove into which the guide protrusion is inserted extends in the horizontal direction on the upper end side of the actuating piece. When the pivot lever rotates, the guide protrusion guides the guide groove. By moving along, the turning movement of the pivoting lever can be easily converted into the lifting movement of the operating piece.

In addition, a plurality of gears may be connected between the rotation lever and the motor to reduce and transmit the rotational force of the motor to the rotation lever.

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

As shown in Figure 1, the operating device of the automatic fire extinguisher according to the present invention, is connected to the top of the container (1) is filled with a digestive liquid, such as potassium carbonate (K ₂ CO ₃ ) reinforcement liquid and the extinguishing liquid is external The valve body 10 which forms the channel | path which blows off into this, and the valve shaft 20 which selectively open and close the channel | path of extinguishing liquid by moving in the said valve body 10 are provided.

As the discharge passage of the extinguishing liquid, the valve body 10 penetrates in a direction perpendicular to the connecting passage 11 and a connecting passage 11 formed along the longitudinal direction so as to communicate with the container 1 at the center thereof. The injection hole 12 formed is provided.

The valve shaft 20 selectively opens and closes the connection flow path 11 by linearly moving (ascending and lowering in the drawing) along the connection flow path 11 of the valve body 10. Specifically, the lower end of the valve shaft 20 is provided with a head portion 21 having a larger diameter than the connection flow path 11, the head portion 21 is connected by selectively contacting the lower end of the connection flow path 11 The flow path 11 is opened and closed.

An operating piece 30 is connected to an upper end of the valve shaft 20, and a rotating lever 40 is rotatably installed on an upper side of the operating piece. The operation piece 30 is moved up and down in accordance with the rotation of the rotation lever 40, thereby raising and lowering the valve shaft 20. The rotation lever 40 is connected to the motor 50 and rotates like a seesaw around the hinge shaft 41 according to the forward / reverse driving of the motor 50.

The rotation lever 40 and the motor 50 are sequentially connected by a plurality of gears. The worm 61 is coupled to the output shaft of the motor 50, and the worm 61 is connected to the worm gear 62. And, as shown in Figure 2, the worm gear 62 and the driven gear 42 formed at the rear end of the rotary lever 40 finally through a plurality of idle gear (63, 64, 65, 66) Connected. Therefore, when the motor 50 is driven, the rotational force is decelerated through the worm 61, the worm gear 62, and the idle gears 63, 64, 65, and 66 sequentially to follow the driven gear of the rotation lever 40 ( 42), the rotation lever 40 is to be rotated up and down.

On the other hand, in order to connect the operating piece 30 and the rotation lever 40, the guide projection 43 (Fig. 2) is formed on the side of the tip end of the rotation lever 40, the upper side of the operating piece 30 A guide groove 31 (FIG. 3A) into which the guide protrusion 43 is inserted extends in the horizontal direction. When the rotation lever 40 rotates, the guide protrusion 43 moves along the guide groove 31, so that the pivoting movement of the rotation lever 40 can be easily converted to the vertical movement of the operating piece 30 in the vertical direction. have.

In addition, as shown in FIG. 3A, a hemispherical recess 32 is formed at the lower end of the operation piece 30, and the upper end of the valve shaft 20 is inserted into the recess 32. That is, the operating piece 30 and the valve shaft 20 are connected in a state of being integrally connected or not fastened, and when the operating piece 30 is lowered, the valve shaft 20 is pressurized by the operating piece 30 at its upper end. As a result, it descends to open the connection passage. In this way, the operation piece 30 and the valve shaft 20 are not fixedly connected, so that the disassembly and repair are easy.

Hereinafter, a process of operating a fire extinguisher by the operating device according to the present invention with reference to Figures 3a and 3b.

First, as shown in FIG. 3a, when a fire is detected by a heat sensor (not shown) in a state in which the head portion 21 at the bottom of the valve shaft 20 seals the connection flow path 11, a fire sensor In response to the signal from the motor 50 is operated to rotate the worm 61 in the forward direction. As the worm 61 rotates, the worm gear 62 and the idle gears 63, 64, 65, and 66 rotate in conjunction with each other, and the rotation is transmitted to the driven gear 42 of the rotation lever 40. As shown in FIG. 3B, the rotation lever 40 rotates downward.

At this time, by moving the guide projection 43 at the tip of the rotation lever 40 along the guide groove 31 of the operation piece 30 to press the operation piece 30 downward, the operation piece 30 is lowered. Thus, the valve shaft 20 is also lowered so that the head portion 21 is spaced apart from the connection flow passage 11, thereby opening the connection flow passage 11. The extinguishing liquid filled in the container 1 along the open connection passage 11 is thus vaporized and finally discharged to the outside through the injection hole 12 to extinguish the fire.

On the other hand, after the fire is completely extinguished, the motor 50 rotates the worm 61 in the reverse direction so that the rotation lever 40 rotates upward and the valve shaft 20 rises to close the connection flow path 11 again. do. Although not specifically illustrated in the drawings, a spring for continuously pressing the valve shaft 20 in the upward direction may be installed in the connection passage 11 by the upward operation of the valve shaft 20.

As described above, according to the present invention, since the extinguishing fluid ejection passage is opened and closed by transmitting the rotational force of the motor to the rotation lever through a plurality of gears to raise and lower the valve shaft up and down, the conventional shaft to move the valve shaft using a solenoid Compared to the method, there is less power consumption and there is an advantage in that the opening and closing operation can be performed stably.

In the above, specific preferred embodiments of the present invention have been illustrated and described. However, the present invention is not limited to the above-described embodiment, and any person having ordinary knowledge in the technical field to which the present invention belongs without departing from the gist of the present invention claimed in the utility model registration claims. Would be possible.

Claims (4)

A valve body (10) connected to an upper end of the container (1) in which the digestive fluid is filled to form a passage through which the digestive fluid is ejected to the outside; A valve shaft 20 which selectively opens and closes the ejection passage of the extinguishing liquid by moving up and down in the valve body 10; A rotation lever 40 rotatably installed at an upper side of the valve shaft 20 to lift and lower the valve shaft 20 by the rotation; Actuator of the automatic fire extinguisher, characterized in that it comprises a motor (50) for driving the rotation lever 40 according to the detection result in the heat sensor. The method of claim 1, The valve body 10 has a connection flow path 11 formed along the longitudinal direction so as to communicate with the container 1 at the center, and an injection hole 12 formed in a direction perpendicular to the connection flow path 11 on one side. Equipped, The valve shaft 20 is installed in the connection flow path 11 to be elevated, the lower end of the automatic fire extinguisher, characterized in that it has a head portion 21 having a diameter larger than the diameter of the connection flow path 11 Actuator. The method of claim 2, When the operation piece 30 is interposed between the valve shaft 20 and the rotation lever 40, the tip of the rotation lever 40 rotates downward to press the upper end of the operation piece 30. The lower end of the operating piece 30 presses the upper end of the valve shaft 20, the working piece 30 and the valve shaft 20 is interlocked and lowered, Guide protrusions 43 protrude from the front end side of the pivot lever 40, and guide grooves 31 into which the guide protrusions 43 are inserted extend from the upper end side of the operation piece 30 in the horizontal direction. Automatic fire extinguisher operating apparatus, characterized in that. The method according to any one of claims 1 to 3, Between the rotation lever 40 and the motor 50, a plurality of gears 61, 62, 63, 64, 65, 66, for transmitting the deceleration force of the motor 50 to the rotation lever 40, 67) operating device of the automatic fire extinguisher, characterized in that connected.