KR20060102229A - A self-closing gear of gas valve - Google Patents

Abstract

The present invention is installed in a gas valve for supplying a fluid, such as gas, can be automatically detected when the gas leaks to shut off the valve to maximize the safety, can be operated in the event of a power outage, cheap It is to provide a gas valve automatic closing device that can provide a number of advantages, such as widespread use.

That is, the present invention is installed on the gas valve (4) which is installed in the middle of the gas supply pipe (8) for supplying gas to the gas heat transfer mechanism is detected when the gas leaks automatically the control handle (5) of the gas valve (4) In constructing a gas valve automatic closing device (1) for switching the closing, a torsion spring is installed to give elasticity in the closing direction of the spindle (7) rotatably installed on the body (6) of the gas valve (4). (11) and a sealing material for enclosing the entire gas valve (4) to expand the gas leakage detection tube (9) when the gas leak, and both ends of the tube (9) and the gas supply pipe (8) The clamp 12 is fixed to the tube 9 and the control handle 5 is interlocked in rotation to seal the pleat 9a and the tube 9 in the gas valve 4 and then the gas. Air injection valve 9b for testing the operating state at the time of leakage and adjustment of the gas valve 4 A stop switching means (10) installed on the body (6) so as to stop the field (5) and automatically close it when the gas leaks, and the stopper (16) of the close switching means (10). Bar is characterized in that consisting of the connecting line 21 and the connecting clip 22 for connecting the inner side of the operating lever 19 and the tube (9) that can stop the release,

In particular, the present invention can automatically detect when a gas leaks due to mechanical wear on the gas valve 4 or when a fire or earthquake occurs, so that the gas valve 4 can be automatically closed and switched in an open state. It can be prevented in advance, and it can be manufactured at low cost by closing it by restoring elasticity of the torsion spring (11) without using a motor, and it has excellent price competitiveness, and it operates even in case of power failure as well as operational stability and management convenience. This is to offer as many advantages as possible.

Gas valve automatic closing device, gas valve, tube, closing switching means, stopper, settling means

Description

A self-closing gear of gas valve

1 is a partial wave showing the configuration of a gas valve automatic closing device provided by the present invention

Front view

Figure 2 shows the operating state of the gas valve automatic closing device provided by the present invention

Front view of some fracture states

Figure 3 is an extract of the closing switching means used in the gas valve automatic closing device of the present invention

Exploded perspective view

Figure 3a is a combination when the gasket valve automatic closing device of the present invention to the butterfly control handle

Bottom view of the working state showing one embodiment of the cutting handle and the stopper

Figure 4 is a gas valve automatic closing device of the present invention, the tube and the connection clip portion

Abstract exploded perspective view

5 is a lever-type control handle of the automatic automatic gas valve closing device provided by the present invention

Front view of some fracture states showing application to a gas valve with

Figure 6 is a lever valve control handle gas valve automatic closing device provided in the present invention

Partial failure state showing working condition when applied to gas valve

shave

7 is a view showing a second embodiment of a gas valve automatic closing device provided by the present invention.

Front view of minor fracture state

Figure 8 is applied to the second embodiment of the gas valve automatic closing device provided by the present invention

Front view of some fracture states showing the working state in the case

9 is a part of the second embodiment of the automatic automatic closing valve gas provided in the present invention

Front view of some fracture states showing another embodiment

Figure 10 shows a third embodiment of the automatic gas valve closing device provided by the present invention

Front view

Figure 11 shows a fourth embodiment of the automatic automatic closing valve gas provided in the present invention

Front view

12 is a main part of a fourth embodiment of a gas valve automatic closing device provided in the present invention;

Enlarged section

13 is a main part of a fourth embodiment of a gas valve automatic closing device provided in the present invention;

Enlarged perspective view

Figure 15 shows a fifth embodiment of the automatic gas valve closing device provided in the present invention

Front view and enlarged snippet

16 is a front view showing still another embodiment in the present invention;

Figures 16a, 16b is closed when the gas valve of the present invention is applied to the sprinkler valve

Cross-sectional view of working state showing open state

17 is a front view of a part fractured state showing another embodiment in the present invention

■ Explanation of symbols used in main part of drawing ■

1: gas valve closing device 4: gas valve

5: Adjustment handle 5a: (arc type) opening

6: body 7: spindle

8: gas supply line 9: tube

9a: pleat 9b: air injection valve

9c: fitting portion 9d: standing portion

9e: expansion tube part 10: closing switching means

11: torsion spring 12: clamp

13: Elevator 14: Stopper casing

15: spring 16: stopper

16a: round groove 16b: stud

17: Elevator 18: Fixed cap

19: Operation lever 20: Pin

21: connecting line 22: connecting clip

23: valve 24: spring

25: valve seat 26: stopper

26a: tapered surface 27: tension spring

28: stopper casing 29: operating lever

30: Pin 31: weight

32: Settlement 32a: Settlement

32b: Settlement 33: Connection Cord

34: extension lever 34a: coupling hole

35: pin 36: connecting line

37: stopper 37a: locking jaw

38: spring

40: (spring sprinkler) valve 41: body

42: ball 43: adjusting handle

44: supply pipe

The present invention relates to a gas valve automatic closing device, and more particularly, it is installed in a gas valve for supplying and regulating a fluid such as gas, so that gas can be automatically detected when leakage occurs and the valve can be shut off to maximize safety. In order to provide a gas valve automatic closing device that can provide a number of advantages, such as being able to operate even in the event of a power failure, and be widely available at low cost.

Typically, a valve for supplying a fluid such as gas is not provided with means for switching the valve to a shut-off state in the event of an earthquake or fire.

When some gas leaks, there is a means of notifying the gas leak with a specific alarm sound by using a sensor that senses the concentration in the air.However, such a gas leak detection means can only shut off the gas supply by notifying an alarm. Had the problem that

When a gas leaks, a product that detects it with a sensor and shuts off the gas valve using a motor has been proposed, but it is expensive and unprotected from earthquakes and fires, so it is safe for various disasters. In the absence of this type, the type of gas valve is installed outside the building, there is no means to shut off the valve by detecting the gas leakage separately, so large accidents frequently occur due to the random leakage of such gas, near the natural earthquake such as earthquake In the event of a disaster, there was an urgent need to develop a means to solve this problem because there was no means to shut off the gas supply.

Accordingly, the present invention is to provide a gas valve automatic closing device that can eliminate all the problems that occur when using a conventional fluid such as gas, as described above,

The present invention, in particular, when the gas is leaked at random to detect this notice and at the same time to automatically shut off the gas valve,

It provides a means to detect in case of earthquake or fire, so that the gas valve can be shut off automatically.

Its simple structure makes it possible to manufacture and disseminate inexpensively, has a low failure rate, and can be applied to gas supply lines of various buildings, providing excellent compatibility and using it in case of power failure. The present invention has been completed with the technical problem of the present invention in providing a valve automatic closing device.

1 to 17 is a configuration diagram showing a gas valve automatic closing device (1) provided by the present invention, a gas valve (4) which is installed in the middle of the gas supply pipe (8) for supplying gas to a gas heating mechanism such as a conventional gas range (4) The control handle 5 is installed on the gas valve 4 body 6 and connected to the spindle 7, and the spindle 7 is kept airtight by the body 6 and packing (not shown). The both ends of the body 6 are also connected to the gas supply pipe 8 so that the airtightness is maintained by packing (not shown).

When the gas valve 4 is in use, the gas leaks frequently due to the wear of the packing, the wear of the metal constituent member, etc., the present invention is automatic in the case of any leakage of gas on the gas valve (4) Detected by the bar and the control handle 5 of the gas valve (4) to automatically switch to the closed state,

To this end, the present invention is a gas leakage detection tube (9) and the tube (9) to re-enclose the tube (9) made of a material capable of sealing the gas leakage possible portion of the gas valve (4) and to seal it The gas is expanded when the leakage is made large by the closing switching means 10 for switching the control handle (5) to the closed state.

Looking at the present invention in more detail from the first embodiment below in conjunction with the accompanying drawings;

1 shows the application of the present invention to a gas valve 4 with a conventional butterfly adjustment handle 5, which is twisted between a rotatable spindle 7 installed on the body 6 of the gas valve 4. The spring 11 is elastically installed to be elastically applied in the closing direction of the control handle 5, and when the gas leaks from the gas valve 4, the gas leakage detecting tube 9 can be expanded by gas pressure. Engage the entire valve (4).

The left and right ends of the tube 9 are fixed at both ends of the gas supply pipe 8 by using a clamp 12 which performs a sealing function and a sealing function at the same time, and when the adjusting handle 5 of the tube 9 rotates. The interlocked portion forms a corrugated portion 9a so that the tube 9 can be flexibly coped without rotation during rotation, and the tube 9 is sealed on one side of the tube 9, and gas leakage occurs. The air injection valve 9b for testing the operation state is formed.

Closing switch which stops the control handle 5 elastically installed by the torsion spring 11 inside the gas valve 4 sealed by the tube 9 and can automatically close it when the gas leaks. Bar 10 is installed on the body 6,

The closing switching means 10 is a screw-type upper stopper 16 is installed on the stopper casing 14 having a lifting hole 13 up and down as shown in FIG. Assemble the assembly by the fixed cap (18) having a lifting hole (17), the lower end of the stopper (16) by installing the actuation lever (19) using the pin 20 to enable the angular movement operating lever ( In response to various angular movements in the up and down and left and right directions of the 19), the stopper 16 descends while compressing the spring 15 to stop the opening of the adjustment handle 5, and gas leaks to prevent the tube ( When the 9 is expanded, the operating lever 19 is angularly moved by the connecting line 21 connecting the operating lever 19 and the inner side of the tube 9 and the connecting clip 22 as shown in more detail in FIG. 4. While the stopper 16 is released from the stop state, the control handle 5 of the gas valve 4 is automatically It closed so as to be switched to.

The stopper 16 constituting the closing switching means 10 is formed in the upper end as shown in Figure 3a has a ring projection (16b) having an annular groove (16a) in the circular arc formed on the lower portion of the butterfly adjustment handle (5) The opening and closing of the opening 5a allows the rotation control to be performed only when the control handle 5 is pressed when the gas valve 4 is opened or closed.

FIG. 1 shows the control handle 5 of the gas valve 4 in the closed state, and FIG. 2 shows the control handle 5 by operating the closing switching means 10 while the tube 9 expands due to gas leakage. It shows the case where (5) is switched to the closed state.

On the other hand, the first embodiment of the present invention can be applied to the lever-type adjustment handle (5) as well as the lever-type adjustment handle (5), as shown in Figures 5 and 6, in this case the closing switching means (10) The position of can be changed to the appropriate upper and lower positions according to the position of the adjusting handle (5).

7 to 8 show a second embodiment of the present invention, which is separate from the opening and closing operation of the control handle 5 of the gas valve 4 by the expansion operation of the tube 9 during gas leakage. The case where the valve 23 of the gas valve 4 to block the supply of gas is illustrated.

That is, the valve 23 is installed on one side gas supply pipe 8 connected to the gas valve 4, which is elastically supported by the spring 24 to open and close the gas valve 4 side discharge hole (or inlet hole). A stopper 26 having a tapered surface 26a for providing a valve seat 25 capable of stopping the valve seat 25 and stopping the valve seat 25 in an open state and then switching to a closed state in case of gas leakage. Resilient installation to the elevating on the stopper casing (28) by the tension spring (27), the operating lever 29 is installed at the end of the stopper (26) to enable the angular movement by the pin (30) connecting clip (22) To the inner side of the tube (9).

FIG. 7 shows before the gas leak of the gas valve 4 having such a configuration, and FIG. 8 illustrates the operation state when the gas leaks.

9 shows a fire or an earthquake or the like by using a settling means 32 made of a material such as lead 31 and lead melting in heat without using the tube 9 in the gas valve 4 of the second embodiment. As an example, the gas is blocked to prevent the gas from flowing onto the gas valve 4 even when this occurs.

The operation lever 29 connected to the stopper 26 and the pin 30 is connected to the weight 31 by using the connecting line 33, and the weight 31 is placed in the gas supply pipe 8 or a suitable place around. When a fire or an earthquake occurs, the settling means 32 melts in heat or flows due to the vibration caused by the earthquake. An example of a case in which the valve seat 25 can close the gas supply pipe 8 by releasing the stop state of the stopper 26 by pulling the operating lever 29 is angularly moved.

FIG. 10 shows a third embodiment of the present invention, which allows the gas valve 4 to be closed by the closing switching means 10 automatically upon gas leakage without the corrugation 9a of the tube 9. In this case, the upper end of the tube 9 is connected to the lower portion of the control valve 5 of the gas valve 4 on the spindle 7 so that the adjustment handle 5 is not surrounded by the tube 9 and is exposed. The case is shown as follows.

In such a case, the tube 9 can be used without the corrugated portion 9a, thereby providing an advantage that the tube 9 can be manufactured at a low cost and convenience.

FIG. 11 shows a fourth embodiment of the present invention, which is an embodiment in which the gas valve 4 can be classified according to large and small capacities.

If the capacity of the gas valve 4 is large, the weight 31 is directly operated to lock the gas valve 4, and if the capacity is small, the gas valve 4 is operated to directly operate the operating lever 19. This is the case.

That is, as shown in Figures 11 and 12 to form a fitting portion (9c) so that the operating lever 19 is fitted to one side of the tube (9) coupled to the gas valve (4), the outside of the fitting portion (9c) By using the non-combustible material of the metal or synthetic resin material, the extension lever 34 to be assembled by fitting.

On the extension lever 34, as shown in FIG. The settlement means 32 is coupled to the pin 35 on the extension lever 34 and can be used to adjust the rotation of the roughly L-shaped settlement 32a and weights 31 at both ends of the settlement 32a. ) Forms a settling hole 32b to be selectively placed.

And it connects the weight 31 using the connecting line 33 through the coupling hole (34a) formed at the end of the extension lever (34).

The weight 31 is angular movement of the operating lever 19 by the extension lever 34 while being separated from the settling hole 32b of the settlement means 32 when an earthquake or the like occurs, the gas valve 4 ) Is to be operated in a locked state, and this case is mainly used when the capacity of the gas valve 4 is small, and when the capacity of the gas valve 4 is large, the gas in the state where the weight 31 is placed When the tube leaks, the tube 9 expands, and the standing portion 9d is formed so as to stand up and drop the weight 31 placed in the adjacent portion.

In the case of FIG. 14, as shown in the fourth embodiment, a fitting portion 9c is formed at one side of the tube 9 coupled to the gas valve 4 so as to fit the operating lever 19, and the fitting portion 9c is provided. On the outside of the metal or synthetic resin material by using a non-combustible material by coupling the extension lever 34 by fitting assembly to connect the weight 31 by using a connecting line 33 to the coupling hole (34a) of the extension lever 34. However, the weight 31 is to be coupled to the end portion of the bellows-type stretched tube portion 9e formed on one side of the tube 9 by using a connecting line 36 that is burned by fire.

FIG. 15 shows another additional weight 31 on the extension lever 34 of the present invention, and a separate weight 31 is settled by using a settling means 32 on one side of the gas valve 4. Settlement means 32 is composed of a material that is dissolved or burned in the fire to enable the closing of the gas valve (4) while the weight 31 placed on top of the settlement means 32 in the event of a fire, and the gas valve ( 4) An additional standing portion 9d which is provided to one side of the tube 9 on which the weight 31 is placed is formed so that the gas valve 4 can be locked even when gas leaks. As the portion 9d stands up, the weight 31 is pushed and dropped.

The gas valve 4 can cope with gas leakage as well as fire, earthquake, and the like.

Figure 16 shows another embodiment of the present invention, which is a case where the closing switching means 10 is installed in the gas valve 4 without using the tube 9, and the closing switching means 10 is shown. In the upper end of the stopper 16 constituting the stopper 16b having a ring groove (16a) is formed to be stopped on the lever-type adjustment handle (5) in this case, in this case a gas valve ( 4) is provided with the advantage of maintaining the locking stop state even if the installation direction of the horizontal direction or the vertical direction is switched, if the stopper 16 is composed of a burnable flammable material, the stopper 16 in the event of a fire The burning state is released while the stop of the control handle (5) is the gas supply is automatically cut off.

In addition, the gas valve 4 as shown in FIG. 16 may be applied to the sprinkler valve 40 that sprays extinguishing water in the event of a fire in a building, and the sprinkler valve 40 on the body 41 as shown in FIGS. 16A and 16B. When the fire occurs in the ball 42 in the state in which the fire extinguishing water supply is cut off, the stopper 16 is fired and releases the stopping state by the restoring elasticity of the torsion spring 11. 43) as the angular movement is switched to the open state to quickly supply the fire extinguishing water through the supply pipe (44) to be able to perform a quick fire extinguishing operation in the event of a fire.

When applied to the sprinkler valve 40, a stem (not shown in the figure) connecting the ball 42 with the adjusting handle 43 can be used to select the 90 °, 180 ° stem, the adjustment handle 43 When the direction of the body 41 and the direction parallel to each other in the horizontal direction is used 90 ° stem to open the valve 40, when the direction of the control handle 43 and the body 41 is perpendicular to the direction of 180 ° stem Will be used.

Since the sprinkler valve 40 having such a 90 kPa, 180 kPa stem is generally used, a detailed description thereof will be omitted.

FIG. 17 is elastically supported on the spring 24 on one side gas supply pipe 8 connected to the gas valve 4 when a fire occurs in the second embodiment without using the tube 9 in the second embodiment. And a valve seat 25 for opening and closing the gas valve 4 side discharge hole, and stopping the valve seat 25 in an open state, and taper for switching to a closed state in case of gas leakage. A stopper 26 having a surface 26a is elastically installed on the stopper casing 28 by a tension spring 27 so as to be lifted and retracted, and an actuating lever 29 is connected to the end of the stopper 26 by a pin 30. It is installed to be angular movement, the other end of the operating lever 29 is fixed to the gas valve (4), a stopper (37) made of a material that melts when heat is applied, and a spring on the stopper (37) Interrupting jaw (37a) of the upper end via the (38) to be able to elastically secure the operating lever (29).

In this case, when a fire occurs, the stop lever 37 melts in heat, and the operating lever 29 which is stopped on the locking jaw 37a is angularly moved upward from the pin 30 by the elasticity of the spring 38. As the stopper 26 rises, the valve seat 25 automatically cuts off the gas flowing into the gas valve 4 by the spring 24 elasticity.

As described in detail above, the gas valve automatic closing device 1 provided by the present invention, in particular, leaks due to mechanical wear on the gas valve 4, or automatically detects when a fire or earthquake occurs. The gas valve 4 can be automatically closed and switched in the open state to prevent large catastrophe in advance, and it can be manufactured at low cost by allowing the torsion spring 11 to be closed by restoring elasticity without using a motor. Competitiveness is also excellent.

In addition, it is an invention with great expected effects, such as operational stability and management convenience, as well as being able to operate during a power failure.

Claims (14)

Gas is installed on the gas valve (4) installed in the middle of the gas supply pipe (8) for supplying gas to the gas heating mechanism to detect when the gas leaks to automatically close the control handle (5) of the gas valve (4) In constructing the valve automatic closing device 1; A torsion spring 11 installed to give elasticity in the closing direction of the spindle 7 rotatably installed on the body 6 of the gas valve 4; Gas leakage detection tube (9) and the gas leakage is composed of a sealing material to surround the entire gas leak, and Clamps 12 for sealing and fixing both ends of the tube (9) and the gas supply pipe (8), It is formed in the tube (9) and the handle (5) is rotated in conjunction with the corrugated portion (9a), An air injection valve 9b for sealing the tube 9 to the gas valve 4 and testing the operation state at the time of gas leakage; A closing switching means (10) installed on the body (6) so as to stop the control handle (5) of the gas valve (4) and automatically close it when the gas leaks; It characterized in that it is composed of a connecting line 21 and a connecting clip 22 for connecting the inner side of the tube (9) and the operating lever 19 that can stop the stopper 16 of the closing switching means (10) Gas valve automatic closing device. The method of claim 1; The closing switching means 10 includes a stopper casing 14 having a lifting hole 13 that can be lifted and lowered, A stopper 16 elastically installed upwardly on the spring 15 on the stopper casing 14; A fixing cap 18 having a lifting hole 17 for fixing the stopper 16 by screwing the upper portion, Gas stopper automatic closing device, characterized in that consisting of an operating lever (19) which is installed at the lower end of the stopper (16) to be angular movement by the pin (20). The method of claim 1; The stopper 16 of the closing switching means 10 may form an engaging projection 16b having an annular groove 16a at an upper end thereof, so that the stopper 16 of the closed switching means 10 may wander on the arc-shaped opening 5a formed below the butterfly-shaped adjusting handle 5. Gas valve automatic closing device characterized in that. The valve seat is installed on the gas valve (4) is installed in the middle of the gas supply pipe (8) for supplying gas to the gas heat transfer mechanism is detected when the gas leaks, the valve seat elastically supported by the spring (24) in one pipe of the gas valve ( In constructing a gas valve automatic closing device (1) for automatically closing and switching (25); Gas leakage detection tube (9) and the gas leakage is composed of a sealing material to surround the entire gas leak, and Clamps 12 for sealing and fixing both ends of the tube (9) and the gas supply pipe (8), A pleat (9a) formed in the tube (9), an air injection valve (9b) for sealing the tube (9) with a gas valve (4), and then testing the operating state at the time of gas leakage; Closing switching means (10) installed on the body (6) to stop the valve seat (25) installed in the gas valve (4) and to automatically close it when the gas leaks; Automatic closing of the gas valve, characterized in that consisting of the operating lever 29 that can stop the stopper 26 of the closing switching means 10 and the connecting clip 22 connecting the inside of the tube (9) Device. The method of claim 4; The closing switching means 10 elastically installs the stopper 26 having the tapered surface 26a connected to the valve seat 25 to the stopper casing 28 by the tension spring 27, Gas stopper automatic closing device, characterized in that the end of the stopper 26, the operating lever 29 is installed to enable the angular movement with a pin (30) connected to the inner portion of the tube (9) by the connecting clip (22). The valve is installed on the gas valve (4) installed in the middle of the gas supply pipe (8) for supplying gas to the gas heat transfer mechanism to detect when an earthquake or fire occurs and is elastically supported by the spring (24) in one pipe of the gas valve (4). In constructing a gas valve automatic closing device (1) for automatically closing the seat (25); Closing switching means (10) installed on the body (6) to stop the valve seat (25) installed in the gas valve (4) and to automatically close it when the gas leaks; The closing switching means 10 elastically installs the stopper 26 having the tapered surface 26a connected to the valve seat 25 to the stopper casing 28 by the tension spring 27, An actuating lever 29 installed at the end of the stopper 26 so as to allow an angular movement with a pin 30; Gas valve automatic closing device characterized in that it comprises a weight 31 which is connected to the operating lever 29 and the connecting line (33) and placed on the settlement means (32) made of a material soluble in heat. Gas is installed on the gas valve (4) installed in the middle of the gas supply pipe (8) for supplying gas to the gas heating mechanism to detect when the gas leaks to automatically close the control handle (5) of the gas valve (4) In constructing the valve automatic closing device 1; A torsion spring 11 installed to give elasticity in the closing direction of the spindle 7 rotatably installed on the body 6 of the gas valve 4; A gas leak detection tube (9), which is made of a sealing material to surround the entire lower portion of the control handle (5) of the gas valve (4), Clamps 12 for sealing and fixing both ends of the tube (9) and the gas supply pipe (8), An air injection valve 9b for sealing the tube 9 to the gas valve 4 and testing the operation state at the time of gas leakage; A closing switching means (10) installed on the body (6) so as to stop the control handle (5) of the gas valve (4) and automatically close it when the gas leaks; It characterized in that it is composed of a connecting line 21 and a connecting clip 22 for connecting the inner side of the tube (9) and the operating lever 19 that can stop the stopper 16 of the closing switching means (10) Gas valve automatic closing device. The method of claim 7; The closing switching means 10 includes a stopper casing 14 having a lifting hole 13 that can be lifted and lowered, A stopper 16 elastically installed upwardly on the spring 15 on the stopper casing 14; A fixing cap 18 having a lifting hole 17 for fixing the stopper 16 by screwing the upper portion, Gas stopper automatic closing device, characterized in that consisting of an operating lever (19) which is installed at the lower end of the stopper (16) to be angular movement by the pin (20). It is installed on the gas valve 4 which is installed in the middle of the gas supply pipe 8 that supplies gas to the gas heater. It detects gas leakage, earthquake and fire and automatically closes the control handle 5 of the gas valve 4. In constructing a gas valve automatic closing device (1) for switching; A torsion spring 11 installed to give elasticity in the closing direction of the spindle 7 rotatably installed on the body 6 of the gas valve 4; Gas leakage detection tube (9) and the gas leakage is composed of a sealing material to surround the entire gas leak, and Clamps 12 for sealing and fixing both ends of the tube (9) and the gas supply pipe (8), It is formed in the tube (9) and the handle (5) is rotated in conjunction with the corrugated portion (9a), An air injection valve 9b for sealing the tube 9 to the gas valve 4 and testing the operation state at the time of gas leakage; A closing switching means (10) installed on the body (6) so as to stop the control handle (5) of the gas valve (4) and automatically close it when the gas leaks; A connecting line 21 and a connecting clip 22 for connecting the inside of the tube 9 with the operation lever 19 capable of stopping the stopper 16 of the closing switching means 10; A fitting portion 9c formed to fit the operation lever 19 to one side of the tube 9, and An extension lever 34 made of a non-combustible material fitted to the outside of the fitting portion 9c, and And a support stand 32a rotatably coupled to the pin 35 on the extension lever 34; Settlement settling ball 32b for weights 31 formed on both ends of the settable 32a, A weight 31 which is connected using a connecting line 33 through a coupling hole 34a formed at an end of the extension lever 34 and is settled on a settling hole 32b; The gas valve automatic closing device, characterized in that the tube (9) of the adjacent portion in which the weight 31 is placed is formed, a rising portion (9d) that is expanded and standing when the gas leaks, and can drop the weight (31). The method of claim 9; Bellows-type stretchable tube portion 9e formed at one side of the tube 9, The expansion tube portion (9e) is connected to the coupling hole (34a) of the coupling lever (34a) of the extension lever (34) by using a connecting line (36) which is burned by fire. Gas valve automatic closing device. It is installed on the gas valve 4 which is installed in the middle of the gas supply pipe 8 that supplies gas to the gas heater. It detects gas leakage, earthquake and fire and automatically closes the control handle 5 of the gas valve 4. In constructing a gas valve automatic closing device (1) for switching; A torsion spring 11 installed to give elasticity in the closing direction of the spindle 7 rotatably installed on the body 6 of the gas valve 4; Gas leakage detection tube (9) and the gas leakage is composed of a sealing material to surround the entire gas leak, and Clamps 12 for sealing and fixing both ends of the tube (9) and the gas supply pipe (8), It is formed in the tube (9) and the handle (5) is rotated in conjunction with the corrugated portion (9a), An air injection valve 9b for sealing the tube 9 to the gas valve 4 and testing the operation state at the time of gas leakage; A closing switching means (10) installed on the body (6) so as to stop the control handle (5) of the gas valve (4) and automatically close it when the gas leaks; A connecting line 21 and a connecting clip 22 for connecting the inside of the tube 9 with the operation lever 19 capable of stopping the stopper 16 of the closing switching means 10; A fitting portion 9c formed to fit the operation lever 19 to one side of the tube 9, and An extension lever 34 made of a non-combustible material fitted to the outside of the fitting portion 9c, and And a support stand 32a rotatably coupled to the pin 35 on the extension lever 34; Settlement settling ball 32b for weights 31 formed on both ends of the settable 32a, A weight 31 which is connected using a connecting line 33 through a coupling hole 34a formed at an end of the extension lever 34 and is settled on a settling hole 32b; Bellows-type stretchable tube portion 9e formed at one side of the tube 9, Using the connecting line 36 to burn the weight 31, which is connected to the expansion tube portion 9e by using the connecting line 33 to the coupling hole 34a of the extension lever 34, By using the connecting line 33 to the extension lever 34, a separate weight 31 is placed on the settlement means 32 made of a material that melts or burns, A gas valve automatic closing device, characterized in that a standing portion (9d) is formed on one side of the tube (9) adjacent to the settling means (32). The valve is installed on the gas valve (4) installed in the middle of the gas supply pipe (8) for supplying gas to the gas heat transfer mechanism to detect when an earthquake or fire occurs and is elastically supported by the spring (24) in one pipe of the gas valve (4). In constructing a gas valve automatic closing device (1) for automatically closing the seat (25); Closing switching means (10) installed on the body (6) to stop the valve seat (25) installed in the gas valve (4) and to automatically close it when the gas leaks; The closing switching means 10 elastically installs the stopper 26 having the tapered surface 26a connected to the valve seat 25 to the stopper casing 28 by the tension spring 27, An actuating lever 29 installed at the end of the stopper 26 so as to allow an angular movement with a pin 30; The other end of the actuating lever 29 is fixed to the gas valve 4 with a stopper 37 made of a material that melts when heat is applied. Gas stopper automatic closing device, characterized in that the locking jaw (37a) of the upper end via the spring (38) on the stopper (37) to elastically fix the operating lever (29). Gas valve (4) installed in the middle of the gas supply pipe (8) for supplying gas to the gas heating mechanism is installed on the gas valve (4) to detect in case of fire and to automatically close the control handle (5) of the gas valve (4) In constructing the automatic closing device 1; A torsion spring 11 installed to give elasticity in the closing direction of the spindle 7 rotatably installed on the body 6 of the gas valve 4; Closing switching means (10) for stopping the control handle (5) in the open state and switching to the closed state in case of fire; The closing switching means 10 is to form a locking projection (16b) having an annular groove (16a) in the upper end of the stopper (16) made of a flammable material so that it can be stopped in a locked state on the control handle (5) Gas valve automatic closing device characterized in that. In the sprinkler valve 40 is installed in the sprinkler valve 40 to detect the fire occurs when the control handle 43 of the valve 40 to automatically switch to open; A torsion spring 11 installed to give elasticity in the closing direction of the spindle 7 rotatably installed on the sprinkler valve 40 body 41; The control handle 43 is formed by stopping the control handle 43 in the closed state and forming an engaging protrusion 16b having an annular groove 16a at the upper end of the stopper 16 made of a flammable material so as to switch to the open state in the event of a fire. Sprinkler valve characterized in that it can be stopped in a locked state on the top.

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