JPH07324727A - Gas control device - Google Patents

Abstract

PURPOSE:To enable an operation to be set to the timing for opening or closing of gas supplying under the motion of a slider and the timing for getting a timing for ignition and the like and further to prevent a phenomenon such as an ignition-back from being generated. CONSTITUTION:There is provided a slider 2 for opening or closing gas supplying while being moved in a forward or a reward direction in respect to a main body 1 of a gas equipment plug. The slider 2 is provided with a movable contact piece. An electrical conducting fixed contact point for an ignition device which is electrically conductive through contact of the movable contact piece and made non-conductive under a non-contact with the movable contact piece is installed on a lotus of motion of the movable contact piece.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas control device for a gas appliance.

[0002]

2. Description of the Related Art Conventionally, in gas control of a gas appliance, a slider for opening and closing the gas by moving in the front-rear direction with respect to the main body of the gas appliance is provided, and the slider is directly or indirectly through a push button. By operating and moving,
It is known that the main body of the gas appliance is opened and closed. Then, a micro switch for opening and closing the electric circuit of the ignition device of the gas appliance is attached to the main body of the gas appliance, the actuator of the micro switch is operated by the operation protrusion provided on the slider, and the micro switch is turned on by the operation of the actuator, It was turned off to energize or de-energize the ignition device.

That is, when the slider is pushed backward, the main valve and the safety valve are opened to inject gas from the nozzle. On the other hand, when the slider is pushed backward, the operation protrusion provided on the slider causes the micro to be ejected. The actuator of the switch is operated, and the micro switch is operated by the operation of the actuator, and a current is passed through the electric circuit of the ignition device of the gas appliance to ignite the ignition device.

[0004]

However, in the above-mentioned conventional example, the actuator of the micro switch is operated by operating the slider, and the micro switch is operated by operating the actuator to open / close the electric circuit of the ignition device. Therefore, due to the mounting error of the micro switch to the gas appliance plug body, the variation of the micro switch, the variation of the operation due to the intervention of the actuator, the variation of the slider, etc., the electrical circuit of the ignition device when the slider is operated There was a problem that the timing of ignition by opening and closing was not constant. Therefore, for example, in the case of gas having a high burning speed, generally called 5C and 6C, a phenomenon called so-called ignition back occurs when the gas is ignited from the ignition device when the gas is not sufficiently discharged. I was afraid.

Further, in a gas appliance equipped with a safety device in addition to an ignition device, it is necessary to provide two micro switches having two actuators as micro switches, which complicates the structure. There was a problem. The present invention is invented in view of the problems of the above-described conventional example, and the purpose thereof is to set the timing of opening and closing the gas by the movement of the slider and the timing of ignition etc. to the intended timing. It is an object of the present invention to provide a gas control device capable of preventing a phenomenon such as ignition back and simplifying the structure.

[0006]

In order to solve the problems of the above-mentioned conventional examples and to achieve the object of the present invention, the gas control device of the present invention moves in the front-rear direction with respect to the gas appliance stopper body 1. A slider 2 for opening and closing the gas is provided, a movable contact piece 3 is provided on the slider 2, and the movable contact piece 3 is brought into contact with the movable contact piece 3 on the movement locus of the movable contact piece 3 so as not to contact the movable contact piece 3. Therefore, a fixed contact 4 for energizing the ignition device 8 which is non-conducting is provided.

Further, a slider 2 for opening and closing gas by moving in the front-back direction with respect to the gas appliance plug body 1 is provided, and a plurality of movable contact pieces 3 are provided on the slider 2 and each movable contact piece 3 is provided. The fixed contact 4 for energizing the ignition device 8 which becomes conductive by the contact of each movable contact piece 3 and becomes non-conductive by the non-contact of each movable contact piece 3 on the movement trajectory of the It is also preferable to provide a fixed contact 4 for energizing the safety device for shutting off.

Further, when the slider 2 moves from the fire extinguishing position to the ignition position, the valve rod 5 is operated by the slider 2 so that the main valve 6 provided in the gas appliance stopper body 1
The safety valve 7 of the safety device opens, the main valve 6 and the safety valve 7
After the slider opens, the movable contact piece 3
It is also preferable to set the contact position between the movable contact piece 3 and the fixed contact 4 so that the gas contacts the fixed contact 4 for energization of the gas ignition device 8 and the ignition is performed by the ignition device 8.

[0009]

According to the present invention having the above-described structure, the slider 2 is moved with respect to the gas appliance stopper main body 1 to open and close the gas. At this time, the slider 2 has a movable contact piece. 3 is provided, and a fixed contact 4 for energizing the ignition device 8 is provided on the movement path of the movable contact piece 3 so that the movable contact piece 3 is brought into contact with the movable contact piece 3 to conduct and the movable contact piece 3 is not brought into contact with the ignition device 8. As a result, ignition is performed when the slider 2 is moved in a predetermined manner, and ignition can be performed at a set timing.

Further, a plurality of movable contact pieces 3 are provided on the slider 2, and the movable contact pieces 3 are brought into contact with each other on the movement locus of each movable contact piece 3 to be conducted, and the movable contact pieces 3 are not brought into contact to be non-conducted. In the case where the fixed contact 4 for energizing the ignition device 8 and the fixed contact 4 for energizing the safety device for shutting off gas when an abnormality occurs during use of the gas appliance are provided at set timings. It is possible to ignite and to energize the electric circuit of the safety device at a set timing.

Further, when the slider 2 moves from the fire extinguishing position to the ignition position, the valve rod 5 is operated by the slider 2 and the main valve 6 provided in the gas appliance stopper body 1 is
After the safety valve 7 is opened and the main valve 6 and the safety valve 7 are opened, the movable contact piece 3 comes into contact with the fixed contact 4 for energizing the gas ignition device 8 after the slider 2 has moved a certain amount, and the ignition device 8
By setting the contact position between the movable contact piece 3 and the fixed contact 4 so that the ignition is performed by, the ignition can be reliably performed in a state where the gas is sufficiently discharged.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the accompanying drawings. The gas control device A is a gas oven, a grill,
The gas stove or a gas appliance in which these are combined is attached near the operation panel P on the front surface of the appliance main body B of the appliance. The gas control device A includes an ignition means, a fire extinguishing means, and a heat power adjusting means.
The gas control device A will be described below.

As shown in FIG. 1, a fixed frame 13 is attached to the main body 1 of the gas appliance, and a slider 2 is attached to the fixed frame 13 so as to be movable in the front-rear direction. An inlet 11 and an outlet 9 are formed in the gas appliance stopper body 1, and the gas introduced from the inlet 11 can be supplied to the burner unit 10 through the outlet 9. There is. Inside the gas appliance stopper body 1, from the vicinity of the inlet 11 to the outlet 9, a valve hole 12 for the safety valve 7, a valve hole 14 for the main valve 6 and a valve hole 16 for the gas amount control valve 15 are sequentially provided. Is formed. The safety valve 7 of the safety device that opens and closes the valve hole 12 is an electromagnetic valve, and the valve rod 5 pushed by the pushing operation of the slider 2 pushes the valve body 7a of the safety valve 7 against the spring 18 and pushes it from the valve hole 12. The valve is separated and opened, and the thermocoupling T electrically connected to the safety valve 7 detects combustion in the burner section 10, and the thermoelectromotive force associated with the combustion keeps the safety valve 7 open. This opening is accompanied by returning the slider 2 to the valve rod 5
Is maintained regardless of the distance from the valve body 7a. When the combustion in the burner section 10 is unexpectedly extinguished and cut off, the thermoelectromotive force of the thermocoupling T decreases, and the safety valve 7 made of a solenoid valve is automatically closed to ensure safety. There is. The main valve 6 is attached to the valve rod 5 in the valve hole 14 for the main valve 6, and the slider 2 is pushed against the spring 34 to push the valve rod 5 against the spring 19. The main valve 6 can be closed by opening the main valve 6 and returning it together with the valve rod 5 via the spring 19 and the spring 34 by releasing the pushing force to the slider 2. The gas amount adjusting valve 15 is provided in the valve hole 16 for the gas amount adjusting valve 15, and the gas amount adjusting valve 15 is provided with the valve hole 16 in conjunction with the gas amount adjusting lever 17.
To the burner portion 1 through the valve hole 16
The amount of gas to 0 can be changed and adjusted.

In the gas passage in the gas appliance plug body 1 downstream of the valve hole 12 in the gas supply direction, a purge flow passage 20 for communicating a portion near the main valve 6 and a portion upstream of the gas amount adjusting valve 15 is provided. Is formed and this purge flow path 20 is formed.
A purge valve 21 is provided at the inlet of the. The purge valve 21 is opened by pushing the valve rod 5 during the pushing operation for ignition toward the innermost part of the pushing stroke of the slider 2, and the valve rod 5 is returned by the spring 19 by the return of the slider 2 and the purge valve 2 is pushed.
1 is closed to close the purge passage valve hole 22.

As described above, the purge passage 20 for increasing the gas supply amount to the burner portion 10 is connected to the gas passage for supplying the gas to the burner portion 10, and the purge valve 21 provided in the purge passage 20 is opened and closed. Since the slider 2 is configured to be freely opened and closed in conjunction with the ignition operation, the slider 2 is pushed in at the time of ignition so that the burner portion 1 is removed from the gas passage.
The gas is supplied to 0 and the purge valve 21 of the purge passage 20 is opened to increase the amount of gas from the purge passage 20 so that reliable ignition can be performed.

Next, a structure for slidably attaching the slider 2 to the fixed frame 13 will be described. As shown in FIGS. 2 and 4, a guide cylinder portion 23 is provided on the fixed frame 13 fixed to the gas appliance plug body 1 by a screw 27, and inside the gas appliance plug body 1 is located behind the guide cylinder portion 23. The front end portion of the valve rod 6 that is movably fitted in is projected. A contact plate block mounting portion 28 for mounting the contact plate block 26 is provided on one side of the guide tube portion 23. The contact plate block mounting portion 28 includes a mounting projection 28a formed on the outer surface of the guide tube portion 23, a floating prevention projection 28b provided above the mounting projection 28a, and the mounting projection 2
The terminal positioning mounting recess 28c is disposed at a position facing 8 and a mounting piece 28d for mounting the fixed frame 13 to the gas appliance plug body 1. Then, the contact plate block 26 having the structure as shown in FIG. 6 is mounted. In this case, one side end of the contact plate block 26 is mounted on the mounting projection 28 and the floating prevention projection 28b is mounted.
To prevent the terminal from being lifted upward, and the terminal 29 provided on the contact plate block 26 is provided with the terminal positioning mounting recess 2
8c is fitted and positioned, and the contact plate block 2
6 is attached to the mounting piece 28d, and the ground piece 30 is attached to the gas appliance plug body 1 via the mounting piece 28d with the screw 27, so that the ground piece 30 is attached with the screw 2
It is electrically connected to the gas appliance stopper body 1 by 7. In this way, the contact plate block 26 is fixed to the fixed frame 13
In this case, as shown in Fig. 8,
The back surface of the contact plate block 26 faces the cover piece 31 provided in the fixed frame 13 with a gap, and the space between the back surface of the contact plate block 26 and the cover piece 31 is a movable contact piece slide space 32.
Has become. And, this movable contact piece slide space 3
The guide tube portion 23 and the guide tube portion 23 are communicated with each other by a groove portion 40 provided in a wall portion of the guide tube portion 23. A fixed contact 4 continuous with a terminal 29 and a ground piece 30 is provided on a portion of the rear surface of the contact plate block 26 facing the movable contact piece sliding cavity 32.

The slider 2 is, as shown in FIGS. 2 and 5,
The guide tube portion 23 provided on the fixed frame 13 is provided with a projection 24 slidably fitted therein, and a projection 33 having a movable contact piece 3 is provided on a side portion of the projection 24. The piece 33 is slidably inserted from the groove 40 into the movable contact piece slide space 32, and the slider 2 moves in the front-rear direction, so that the movable contact piece 3 moves to the fixed contact 4 at a predetermined movement position of the slider 2. It is in a contact state or a non-contact state. FIG. 8 shows a state in which the protruding piece 33 provided with the movable contact piece 3 is inserted into the movable contact piece slide space 32.

A spring 34 is internally provided in the guide tube portion 23, and the spring force of the spring 34 constantly biases the slider 2 in the forward direction. The protrusion 24 of the slider 2 is provided with a heart cam groove 35. Then, the shaft portion 36a at one end of the U-shaped pin 36 is fixed to the fixed frame 1
3 is rotatably attached to the shaft 3 at the other end of the pin 36.
6b is inserted into the arcuate groove 37 of the guide cylinder portion 23, and the tip end portion of the shaft portion 36b is fitted into the heart cam groove 35.
As the slider 2 moves in the front-rear direction, the shaft portion 36b moves along the heart cam groove 35. Further, here, the slider 2 is biased forward by the spring 34 as described above, but the shaft portion 36
Since b only moves along the heart cam groove 35, the slider 2 is prevented from slipping forward from the guide tube portion 23.

Since the heart cam groove 35 constitutes a so-called push or push mechanism, it has a shape as shown in FIG. 7, and the first groove 35a, the second groove 35b, the third groove 35c,
35d is formed so as to communicate with each other in a substantially heart shape, and the first groove 3
The front end of 5a is shallower than the second groove 35b, the rear end of the second groove 35b is shallower than the third groove 35c, the third groove 35c is shallower than the front end of the fourth groove 35d, and the rear end of the fourth groove 35d is First groove 3
It is shallower than 5a.

FIG. 6 shows an example of the contact plate block 26. In this embodiment, an example of the contact plate block 26 in the case where the ignition device 8 and the safety device for shutting off gas during abnormal use during use of the gas appliance are used in the gas appliance is shown. On the back surface side of the contact plate block 26, fixed contacts 4a and 4b for the ignition device for energizing and deenergizing the ignition device 8 associated with the gas appliance as the fixed contact 4 and the gas appliance in use. Control board 38 for controlling a safety device for shutting off gas during abnormal use in
Fixed contacts 4c and 4d for a safety device for energizing and deenergizing are exposed in a strip shape. Here, the fixed contact 4a is integrated with and electrically connected to the grounding piece 30, the fixed contact 4b is integrated with and electrically connected to the terminal 29a, and the fixed contact 4c is connected to the terminal 29b.
And the fixed contact 4d are integrated with and electrically connected to the terminal 29c.

As the movable contact piece 3 provided on the slider 2, a movable contact piece 3a for the ignition device and a movable contact piece 3b for the safety device are provided. The movable contact piece 3a and the fixed contacts 4a and 4b constitute a switch for turning on and off the power supply to the ignition device, and the movable contact piece 3b and the fixed contacts 4c and 4d control the safety device. Control board 38
A switch for turning on and off the energization of the device is constructed.

FIG. 11 shows a circuit diagram of the above embodiment, in which 3a and 3b are movable contact pieces for the ignition device and the safety device, respectively, and 4a and 4b are fixed parts for the ignition device. Contact points, 4c and 4d are fixed contacts for a safety device, 38 is a control board, 8 is an igniter, 7 is a safety valve, 39 is a pan bottom temperature detection sensor made of a thermistor, and T is a thermocoupling.

In the embodiment shown in the accompanying drawings, a button frame 41 is provided on an operation panel P on the front of the instrument body B of the gas instrument, and an operation button 42 is pivotally supported on the button frame 41. The slider 2 is pushed by rotating the knob so that it is pushed backward. Next, the operation of the present invention will be described. FIG. 9 shows a fire extinguishing position. In this fire extinguishing position, the slider 2 is pushed forward by the spring 34, but the shaft portion 36 b has the first groove 35 a of the heart cam groove 35.
The slider 2 is located at the rear end portion and is held so that the slider 2 does not project forward from the state of FIG. In this case, the operation button 42 is pushed forward by the slider 2. When the slider 2 is pushed rearward against the spring force of the spring 34 in this state as shown in FIG. 10, the shaft portion 36b moves from the front end of the first groove 35a to the second groove 35b while being guided by the first groove 35a. Move to the front end of the second groove 35b. The state of FIG. 10 is the pushed-in state. From the state shown in FIG. 9 to the state shown in FIG.
When the slider 2 is pushed from the fire extinguishing position for a certain distance while moving, the bubble rod 5 pushed by the slider 2 is pushed for a certain distance, and the main valve 6 is opened first. At this time, at the same time, the movable contact piece 3b for the safety device comes into contact with the fixed contacts 4c, 4d for the safety device and both fixed contacts 4 are contacted.
The control board 38 for controlling the safety device is energized by electrically connecting c and 4d. This main valve 6 is opened and the control board 38
When the slider 2 is further pushed for a certain distance from the position where the power is turned on, the bubble rod 5 pushed by the slider 2 is pushed for a certain distance, and the safety valve 7 is opened. After the main valve 6 and the safety valve 7 are opened in this way, when the slider 2 is further pushed by a certain distance, the movable contact piece 3a for the ignition device is brought into contact with the fixed contacts 4a, 4b for the ignition device and both are fixed. Contact point 4
A and 4b are conducted, and the ignition device 8 is energized to ignite. In this way, when the slider 2 further moves a certain distance after the main valve 6 and the safety valve 7 are opened, the movable contact piece 3 comes into contact with the fixed contacts 4a, 4b for energizing the gas ignition device 8 so as to ignite the ignition device 8. Since the ignition is carried out by means of, it is possible to ignite in a timely and reliable manner in the state where the gas is sufficiently discharged, and as a result, the combustion speed is generally fast, generally 5C, 6C.
It is possible to reliably prevent the phenomenon called "ignition back" from occurring even with the gas called ". The position at which the movable contact piece 3a for the ignition device comes into contact with the fixed contacts 4a, 4b for the ignition device is set slightly before the maximum push-in position of the slider 2, and therefore the slider 2 is moved a little further from the ignition position. It is pushed into the state shown in FIG.

When the pushing of the slider 2 from the state shown in FIG. 10 is released, the slider 2 is moved forward by the spring force of the springs 19 and 34, and the shaft portion 36b is moved along the second groove 35b accordingly. Move to the second groove 35
From the rear end of b to the third groove 35c, the third groove 35c is positioned at the concave portion of the third groove 35c and stops there. Further, the slider 2 is prevented from moving further forward and the slider 2 is moved to the burning position. To hold. This state is the combustion position shown in FIG. During the movement of the slider 2 from the state of FIG. 10 to the state of FIG. 1, the movable contact piece 3 moves the fixed contacts 4a and 4b.
Away from the fixed contacts 4a and 4b, the fixed contacts 4a and 4b are brought into a non-conducting state, and the energization of the ignition device 8 is stopped.

In the combustion state of FIG. 1, for example, if gas blows off, the thermocoupling T detects this and closes the safety valve 7. If the pot bottom temperature becomes higher than a predetermined temperature (that is, an abnormal temperature) during cooking of tempura or the like, the pot bottom temperature detection sensor 39 detects the abnormal temperature and closes the safety valve 7. To return from the burning state to the extinguishing state, the operation button 42 in the burning state of FIG.
When the slider 2 is pressed by pressing, the shaft part 36b
Since it moves from 5c to the fourth groove 35d, when the pressing is released here, the slider 2 moves forward by the spring force of the springs 19 and 34, so that the shaft portion 36b moves along the fourth groove 35d. The four grooves 35d move from the rear end to the rear end of the first groove 35a, and the state shown in FIG. 9 is obtained. This Figure 1
In the middle of returning from the state of FIG. 9 to the state of FIG. 9, the main valve 5 is closed, the movable contact piece 3b for the safety device is separated from the fixed contacts 4c, 4d for the safety device, and both fixed contacts 4c,
4d is made non-conductive, and the power supply to the control board 38 for controlling the safety device is stopped.

FIG. 12 is a view showing the movement of the slider and the operation of each part. FIG. 12A shows the state shown in FIG. 9 (fire extinguishing position), and B shows the state shown in FIG. 10 (slider). 2 is pushed to the maximum), and C is the state (burning position) shown in FIG. D is the position where the main valve 6 opens (the position where the movable contact piece 3b starts to contact the fixed contacts 4c and 4d for energizing the circuit of the safety device at the same time), and E opens the purge valve 21 and the safety valve 7. The position F is the ignition position where the ignition device 8 is energized. The hatched portion in FIG. 12 is the portion in operation. In the contact plate block 26 shown in FIG. 6 (e), a is in the state shown in FIG. 9 (fire extinguishing position), and b is in the state shown in FIG. 10 (position where the slider 2 is pushed to the maximum). C is the state (combustion position) shown in FIG. D is the position where the movable contact piece 3b starts to contact the fixed contacts 4c and 4d for energizing the circuit of the safety device, and F is the ignition position where the ignition device 8 is energized.

[0027]

According to the first aspect of the present invention, a slider for moving the gas appliance plug body in the front-back direction to open and close gas is provided, and the slider has a movable contact piece. Along with the provision of a fixed contact for energizing the ignition device, which is electrically connected to the movable contact piece due to the contact of the movable contact piece and non-conducted when the movable contact piece is not in contact with the movable contact piece, the fixed contact of the slider is provided. Will be ignited on the move,
Compared to the conventional gas appliance plug body with a micro switch attached, it can ignite more stably at the set timing,
The ignition timing can be controlled easily and reliably. Further, the structure is simplified as compared with the conventional example in which the micro switch is attached to the gas appliance plug body.

According to the second aspect of the present invention, a slider for moving the gas instrument plug body in the front-back direction to open and close the gas is provided, and the slider is provided with a plurality of movable contact pieces. At the same time, a fixed contact for energizing the ignition device that becomes conductive by the contact of each movable contact piece on the movement trajectory of each movable contact piece and becomes non-conductive by the non-contact of each movable contact piece, and an abnormality during the use of the gas appliance Since there is a fixed contact for energizing the safety device to shut off the gas at times, it is possible to energize the electric circuit of the safety device with a predetermined timing by the predetermined movement of the slider, and with a predetermined timing with the predetermined movement of the slider. Since it is possible to ignite, compared to the conventional gas appliance stopper body with a micro switch attached, it is possible to energize and ignite the safety device circuit at a set timing with a simple configuration and reliably. Than it is.

Further, in the invention according to claim 3, when the slider is moved from the extinguishing position to the ignition position, the valve rod is operated by the slider and the main valve provided in the gas appliance plug main body, the safety valve of the safety device. After the main valve and safety valve are opened, the movable contact piece is fixed to the movable contact piece so that the movable contact piece contacts the fixed contact for energizing the gas igniter after the slider has moved a certain amount and ignition is performed by the igniter. Since the contact position with the terminal is set, it is possible to ignite in a state where the gas is sufficiently discharged, and compared to the conventional gas appliance stopper body equipped with a micro switch, the gas is sufficiently discharged. There is no risk of a phenomenon called ignition back being ignited from the ignition device at a non-existent stage.

[Brief description of drawings]

FIG. 1 is a sectional view showing a combustion state of the present invention.

FIG. 2 is an exploded perspective view of the same fixed frame and slider.

3A and 3B are drawings showing a mounting state of the slider on the fixed frame, in which FIG. 3A is a plan view, FIG. 3B is a front view, FIG. 3C is a left side view, and FIG. Is a right side view and (e) is a bottom view.

4A and 4B are views showing a fixed frame of the same, in which FIG. 4A is a plan view, FIG. 4B is a front view, FIG. 4C is a left side view, and FIG. , (E) is a bottom view,
(F) is a sectional view.

FIG. 5 is a view showing the slider of the above, where (a) is a plan view, (b) is a front view, (c) is a left side view, and (d) is a right side view, (E) is a bottom view and (f) is a sectional view.

FIG. 6 is a drawing showing a contact plate block of the same, in which (a) is a plan view, (b) is a front view, (c) is a left side view, and (d) is a right side view. Yes, (e) is a bottom view.

FIG. 7 is a bottom view of the slider showing the heart cam groove portion of the above.

FIG. 8 is a cross-sectional view showing a contact portion of a fixed terminal with the above movable contact piece.

FIG. 9 is a cross-sectional view of the fire extinguishing state of the above.

FIG. 10 is a cross-sectional view showing a state in which the slider of the same is pushed to the maximum.

FIG. 11 is a circuit diagram of the above.

FIG. 12 is an explanatory view showing the movement of the slider and the operation of each part of the above.

[Explanation of symbols]

 1 Gas appliance plug main body 2 Slider 3 Moving contact piece 4 Fixed contact point 5 Valve rod 6 Main valve 7 Safety valve 8 Ignition device

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tatsuo Kamiya 1-34 Kitakuhoji, Yao City, Osaka Prefecture Hosiden Corporation

Claims (3)

[Claims] 1. A slider for opening and closing gas by moving in the front-rear direction with respect to the main body of the gas appliance is provided, a movable contact piece is provided on the slider, and a movable contact piece is provided on a moving path of the movable contact piece. The gas control device is provided with a fixed contact for energizing the ignition device, which is electrically connected by the contact with the movable contact piece and is electrically disconnected by the non-contact of the movable contact piece. 2. A slider for opening and closing gas by moving in the front-rear direction with respect to the main body of the gas appliance is provided, and a plurality of movable contact pieces are provided on the slider, and on the movement locus of each movable contact piece. A fixed contact for energizing the ignition device, which becomes conductive by the contact of each movable contact piece and becomes non-conductive by the non-contact of each movable contact piece, and a safety device for interrupting the gas when an abnormality occurs during the use of the gas appliance. A gas control device comprising a fixed contact for energization. 3. When the slider moves from the fire extinguishing position to the ignition position, the valve rod is operated by the slider to open the main valve provided on the gas appliance stopper body, the safety valve of the safety device, and after the main valve and the safety valve are opened. A contact position between the movable contact piece and the fixed terminal is set so that the movable contact piece comes into contact with a fixed contact for energizing the gas ignition device after a certain movement of the slider so that ignition is performed by the ignition device. Item 2. The gas control device according to item 2.