KR100518489B1 - Gas control apparatus - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas control device. The valve casing 11a allows the gas control device in which a ring-shaped fire control dial is disposed around the ignition and fire extinguishing buttons to accurately switch the fire power of the gas burner with a predetermined width. A plurality of communication paths 15 are formed to be separated from each other on the upstream side of the gas outlet of 11b), and a thermal control dial 7 is provided in the valve casing, and the cylindrical body rotates in synchronism with the rotation thereof. The rotor 61 is inserted into the gas passage 12b. Then, a plurality of long grooves 62 are formed on the outer circumferential surface of the rotating body so as to correspond to the respective communication passages so as to allow communication between the gas passage and each communication passage so as not to overlap each other in the circumferential direction, and the rotating body is rotated to coincide. At least one knock position for generating a click at a predetermined position in the rotational direction of the thermal control dial is provided so that each long groove is increased or decreased corresponding to the number of communication paths.

Description

Gas control apparatus

The present invention relates to a gas control device for controlling the supply of fuel gas to a gas burner provided in a gas furnace.

Generally, this type of gas control apparatus is known, for example, from Japanese Patent No. 2742356. This includes, for example, an ignition and fire extinguishing button moving in the front and rear directions provided on the front panel of the gas stove, and the gas passages connected to the gas burner are kept open at three other positions in the front and rear directions of the ignition and fire extinguishing buttons. The open valve position, the ignition position for operating the ignition means of the gas burner, and the closed valve position for closing the gas passage are provided.

When the ignition and fire extinguishing button is pushed in the closed valve position, the ignition and fire extinguishing button moves to the ignition position, the gas passage is opened, and the ignition means of the gas burner is operated. After confirming that the gas burner has ignited and open the press-fit of the ignition and fire extinguishing button, the ignition and fire extinguishing button protrudes and moves to the open valve position.

In the open valve position, the thermal control of the gas burner is performed by a ring-shaped thermal control dial provided around the ignition and fire extinguishing button. The thermal power control dial is interlocked with a needle inserted into the valve hole provided in the gas passage, and the area of the valve hole and the needle is changed by operating the needle to increase or decrease the gas flow rate to the gas outlet.

As described above, the gas flow rate of the fuel gas may be continuously increased or decreased in conjunction with the rotation of the fire control dial. However, in order to change the fire power of the gas burner, it is necessary to rotate the fire control dial while confirming the flame of the gas burner. There is a problem that can not be conveniently used.

Therefore, a method of providing a knock at a predetermined position in the rotational direction of the thermal control dial and rotating the thermal control dial to the knock position has been considered. However, the gas flow rate at the knock position is not constant due to the hysteresis of the needle. There is a problem.

Accordingly, the present invention was made to solve the above problems,

SUMMARY OF THE INVENTION An object of the present invention is to provide a gas control device capable of accurately converting a fire power of a gas burner with a predetermined width and improving convenience of use of a gas appliance.

The gas control apparatus according to the present invention for achieving the above object has a gas passage, and has a gas casing opening and a gas casing which is in communication with each other through the gas passage, the gas passing through the gas burner On the upstream side of the outlet, a plurality of communication paths are formed to be separated from each other, and a thermal power control dial is attached to the valve casing, and a cylindrical rotor that rotates in synchronization with the rotation of the thermal power control dial is inserted into the gas path. On the outer circumferential surface of the rotating body, a plurality of long grooves allowing the communication between the gas passage and each communicating passage are formed so as not to overlap each other in the circumferential direction so as to correspond to the respective communication passages, and the corresponding rotating grooves are rotated by rotating the rotating body. In the gas control device in which the gas flow rate is increased or decreased corresponding to the number of communication paths, the predetermined direction of the rotational direction of the thermal control dial Providing at least one location to generate a knock-click on value, and wherein a number of such increase and decrease of the communication and to janghom matching each knock position.

According to the present invention, when the thermal control dial is rotated to one side to increase the gas flow rate, the rotating body in the gas passage rotates in conjunction with each other, and when the thermal control dial is rotated to the knock position where the click occurs, it communicates with the long groove corresponding to each click. As the number of furnaces increases, the gas flow rate increases.

In addition, when reducing the gas flow rate, when the thermal power control dial is rotated to the other side to the knocked position where the click occurs, the number of matched long grooves and communication paths decreases sequentially, and the gas flow rate decreases.

In this case, since the passages corresponding to the knock positions can be switched to increase or decrease the gas flow rate and adjust the fire power of the gas burner, the fire power of the gas burner can be easily set, and the convenience of use of the gas appliance is improved.

In addition, an orifice member having a plurality of orifice holes for adjusting a gas flow rate of fuel gas flowing through the communication burners through the respective communication paths to a predetermined amount is mounted on the valve casing by matching each orifice hole to each communication path. If so, it is possible to cope with the change of the gas type by replacing the orifice member.

Further, for example, a gas control device is provided so that an on-off valve is provided in a gas passage between the gas inlet and the rotating body, and an ignition and fire extinguishing button controlling the operation of the on-off valve is installed on a ring-type fire control dial. You may also do it.

In addition, for example, a radially provided hole on the outer circumferential surface of the ignition and fire extinguishing button is provided to protrude outwardly and at the same time, a recess is provided at a predetermined position on the inner circumferential surface of the thermal power control dial. The fire control dial may be rotated so that the projecting piece is caught in the recess to generate a click.

Hereinafter, an embodiment of a gas control apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

With reference to FIG. 1, the gas control apparatus 1 is assembled to the gas furnace 2, for example. In this case, the gas furnace 2 has a box-shaped furnace gas 21, and the gas furnace 21 has two gas burners 23a and 23b facing the two openings provided in the top plate 22 covering the upper surface thereof. ) Is provided.

The furnace gas 21 is further provided with a grill 25 positioned between the front panel 24 provided at both ends of the front surface thereof and provided with a ceramic plate burner (not shown). The supply of fuel gas to the two gas burners 23a and 23b and the ceramic plate type burner is controlled by the gas control device 1 of the present invention.

Referring to FIG. 2, the gas control device 1 has a valve casing composed of two parts 11a and 11b stacked on top of each other. A first inner passage 12a extending in the longitudinal direction of the valve casing is provided in the first portion 11a of the valve casing positioned below, and a gas inflow portion 13 communicating with the first inner passage 12a. ) Is established.

The solenoid valve 3 is provided in the 1st inner passage 12a located in the downstream of the gas inflow part 13. As shown in FIG. The solenoid valve 3 has a magnet case 31, and the magnet case 31 has an electromagnet which is excited based on a signal from a control unit (not shown) provided in the furnace gas 21, for example. Adsorption pieces adsorbed on the substrate are accommodated.

The first valve body 32 protruding from the magnet case 31 toward the downstream side of the first inner passage 12a is connected to the suction piece. In the closed valve state of the solenoid valve 3, the 1st valve body 32 seals 34a by the pressing force of the spring 33 built up between the 1st valve body 32 and the magnet case 31. As shown in FIG. The seat is seated on the valve seat of the valve seat member 34 provided in the first inner passage 12a.

The opening valve operation of the solenoid valve 3 is inserted into the first inner passage 12a via the sealing material 41, and the operation rod 4 moves back and forth along the longitudinal direction of the first inner passage 12a. Is done by. Moreover, the 2nd valve body 42 is provided in the operation rod 4, and the 2nd valve body 42 comprises this valve with the valve seat 43 provided in the 1st internal passage 12a. In the closed valve state of the main valve, the valve seat 43 is seated by the second valve body 42 and a spring 44 arranged between the second valve body 42 and the valve seat member 34. .

The movement of the operating rod 4 in the front-rear direction is performed by the press-in operation of the ignition and extinguishing button 5 provided by protruding from the front panel 24 (see Fig. 1). The ignition and fire extinguishing button 5 is formed in a cylindrical shape, and a press-in rod 5a for press-fitting the operation rod 4 with the movement of the ignition and fire extinguishing button 5 on the end surface of the first inner passage 12a side. Is connected.

Moreover, one end of the press-in rod 5a is connected to the heart cam mechanism 5b provided below the 1st part 11a. In this case, the ignition and fire extinguishing buttons are used to perform the ignition operation in the closed valve position (state shown in Fig. 1) for closing the first inner passage 12a protruding from the front end face of the thermal control dial 7 to be described later. 5), the operation rod 4 is pushed in the rearward direction (right side in FIG. 2) through the press rod 5a to open the main valve, and then push the valve body 32 toward the suction piece side. At the same time, the discharge unit (not shown), which is the ignition means, moves to the ignition position where it operates.

When the pressurization of the ignition and fire extinguishing button 5 is opened at the ignition position, it is guided to the heart cam mechanism 5b and moved in all directions (left side in Fig. 2) to maintain the main valve and open the first inner passage 12a. The open valve position is reached. When the ignition and extinguishing button 5 is pushed in the open valve position to perform the extinguishing operation, the heart cam mechanism 5b is reset to return to the extinguishing position.

Moreover, the gas outlet 14 is provided in the 1st part 11a upstream of this valve, and the gas outlet 14 is the substantially L-shaped 2nd internal passage 12b provided in the 2nd part 11b. The first and second inner passages 12a and 12b, which coincides with one end of), constitute a gas passage. The fuel gas flowing out of the gas outlet portion of the gas passage is supplied to the mixing tubes of the gas burners 23a and 23b and the ceramic plate burner.

Here, in order to change the thermal power of each burner 23a, 23b, it is necessary to be able to adjust the gas flow volume of the fuel gas supplied to the mixing pipe of each burner 23a, 23b. In this case, it is preferable that the gas flow rate can be increased or decreased so that the fire power of the burners 23a and 23b can be switched with a predetermined width, and at that moment, the fire power of each burner 23a and 23b is always constant. .

In the present embodiment, the four first, second, third and fourth communication paths 15a, 15b, 15c, and 15d are mutually separated from each other at predetermined intervals on the outer circumferential surface of the second portion 11b. It is prepared. In this case, the gas outlet portion 16 and the second inner passage 12b connected to the upper portion of the second portion 11b through the communicating passages 15a, 15b, 15c, and 15d communicate with each other. The hole diameters of 15a, 15b, 15c, and 15d are sequentially formed to be large in the forward direction. And the flow regulating valve 6 of the following structures is provided in the 2nd inner passage 12b.

That is, the flow regulating valve 6 has the cylindrical rotating body 61 provided in the 2nd inner passage 12b rotationally through the sealing material 61a, as shown to FIG. On the outer circumferential surface of the rotor 61, four circumferential first, second, third, and fourth long grooves 62a, 62b, 62c, and 62d each have a first, second, third, and fourth angle. It is formed in correspondence with the communication paths 15a, 15b, 15c, and 15d, respectively. In this case, the width dimensions of each of the long grooves 62a, 62b, 62c, and 62d are formed so as to coincide with the hole diameters of the communication paths 15a, 15b, 15c, and 15d, respectively or not to overlap in the circumferential direction.

Four orifice holes 63a, 63b, 63c, and 63d for adjusting the gas flow rate of the fuel gas flowing through the communication paths 15a, 15b, 15c, and 15d to the gas outlet member 16 to a predetermined amount are also provided. The formed orifice member 63 is mounted on the outer circumferential surface of the second portion 11b in accordance with the communication paths 15a, 15b, 15c, and 15d. In this case, it is possible to cope with the change of the gas type by replacing the orifice member 63.

The rotation angle of the rotating body 61 is adjusted by the thermal power control dial 7 provided around the ignition and fire extinguishing button 5. As shown in Fig. 4, the thermal power control dial 7 is constructed by attaching a ring cap 70b to the base 70a of a hollow cylinder.

To the end of the thermal control dial 7 on the first inner passage 11a side, teeth are made with a predetermined pitch, and one end of the rotating body 61 in which the toothed portion 71 protrudes from the second portion 11b. It fits in and engages with the tooth | gear 72. As a result, the rotating body 61 is rotated in synchronization with the rotation operation of the thermal power control dial 7.

By the way, during the ignition operation of the gas burners 23a and 23b, in order to reliably fire the fuel gas, for example, the fuel gas is supplied to the gas burners 23a and 23b so that the thermal power of the gas burners 23a and 23b becomes strong or heavy. ), And in consideration of safety, a so-called child lock mechanism should be provided so that a child does not touch the ignition and extinguishing button 5 so that the discharge unit is not operated.

2 to 6, in the present embodiment, the cam groove 73 is formed on the inner circumferential surface of the front direction of the thermal power control dial 7 while protruding from the front panel 24, and at the same time, the hollow thermal power control dial 7 is provided. In the outer circumferential surface of the ignition and fire extinguishing button 5 moving inward and backward directions, a first protruding piece 51 forming a treatment with the cam groove 73 was provided to constitute a forced rotation means. In this case, the first protruding piece 51 is provided in the radial direction hole 52 provided in the outer peripheral surface of the ignition and fire-extinguishing button in the state pressurized by the spring 53 toward radial outer side.

As a result, when the ignition and fire extinguishing button 5 is press-fitted at the closed valve position for ignition of the gas burners 23a and 23b, the first protruding piece 51 is driven and driven cam groove 73. The formed thermal control dial 7 is rotated to a predetermined position.

In this case, since the thermal power control dial 7 is rotated using the press-in operation of the ignition and fire extinguishing button 5, for example, it is arranged between the ignition and fire extinguishing button 5 and the first portion 11a. It is not necessary to increase the pressing force of the spring 5c, and the structure of the gas control device can be simplified.

Moreover, the height of the wall surface of the cam groove 73 is formed so that it may become low from one side to the other side accompanying the ignition and the extinguishing operation of the fire extinguishing button 5. When the ignition and extinguishing button 5 is press-fitted in the closed valve position, the first projection 51 is accommodated in the hole 52 in accordance with the movement of the ignition and extinguishing button 5, and the cam groove ( At 73 extends in the longitudinal direction.

In addition, when the ignition and extinguishing button 5 is press-fitted, the first protruding piece 51 accommodated in the hole 52 moves along the flat portion 74 to reach the ignition position. Then, after igniting the gas burners 23a and 23b by activating the discharge unit, releasing the pressurization of the ignition and fire extinguishing button 5 is guided to the heart cam mechanism 5b and slightly returned by the pressing force of the spring 5c. The ignition, fire extinguishing button 5 reaches the open valve position.

The inner circumferential surface of the thermal power control dial 7 is formed on the inner circumferential surface of the thermal control dial 7 in the same plane as the flat portion 74, and the thermal power control dial 7 is clockwise along the rotary guide path 75. Rotational or counterclockwise. In this case, the first protrusion piece 51 is completely accommodated in the hole 52 and is not caught by the cam groove 73.

Thereby, the thermal power control dial 7 by the forced rotation means between the first projection 51 and the cam groove 73 linked to the ignition from the closed valve position to the open valve position and the press-fit operation of the fire extinguishing button 5 The forcible rotation of) is completed before the ignition and fire extinguishing button 5 reaches the ignition position, and in the open valve position, the protruding piece 51 of the ignition and fire extinguishing button 5 and the cam groove of the power control dial 7 Engaged relationship with (73) is released.

When the thermal power control dial 7 is rotated in the clockwise direction, the gas flow rate is compressed, and when the counterclockwise rotation is performed, the rotating body 61 is rotated to increase the gas flow rate.

In this case, in order to limit the rotation range of the thermal control dial 7, the convex portion provided on the outer circumferential wall of the base 70a of the thermal control dial 7 is provided on a stopper (not shown in the drawing) provided in the furnace gas 21. When counterclockwise rotation is engaged, the second, third, and fourth long grooves 62b, 62c, and 62d are connected to the second, third, and fourth communication paths 15b, 15c, and 15d, respectively. In parallel, the rotating body 61 is arrange | positioned so that the amount of gas to the gas outflow part 16 may be maximized.

On the other hand, at the position where the first long groove 62a coincides only with the first communication path 15a, the rotation stop 76 that the protrusion 56 provided at one end of the ignition and extinguishing button 5 contacts is the rotation guide path 75. Is provided.

As a result, in the open valve position, the thermal power control dial 7 minimizes the gas flow rate to the gas outlet 16 and reduces the fire power of the gas burners 23a and 23b, and maximizes the gas flow rate. The rotational material is provided only within the thermal power control range between the reinforcement force for strengthening the thermal power of 23a and 23b, and one end of the rotation guide path 75 and the rotation stop 76 constitute a rotation range limiting means.

Here, in order for the cook to recognize that the fire power of the gas burner has changed by a predetermined width, it is preferable to generate a click at a position where the fire power becomes weak and medium, for example.

In this embodiment, as shown in FIG. 3, the 2nd protrusion piece 54 is provided in the outer peripheral surface of the ignition and extinguishing button 5 facing the 1st protrusion piece 51. As shown in FIG. In this case, the second projecting piece 54 having a diameter smaller than the first projecting piece 51 has a spring (for radial direction outward) in the radial hole 55 provided in the outer circumferential surface of the ignition / extinguishing button 5. 56) is provided in a pressurized state.

Further, the first and second recesses 77 and 78 in the radial direction are respectively formed at predetermined positions of the rotation guide path 75, and only the second protruding piece 54 is engaged so that a knock position for generating a click is provided. Prepare.

Then, for example, the thermal control dial 7 is rotated counterclockwise at the minimum flow rate (in this case, the thermal power of the gas burners 23a and 23b is small), so that the second protruding piece 54 is the first recess 77. ) Will cause a click. In this case, in addition to the first long groove 62a, the second long groove 62b coincides with the second communication path 15b so that the gas flow rate to the gas outlet member 16 increases, so that the thermal power of the gas burners 23a and 23b is increased. It becomes medicine.

In addition, the thermal control dial 7 is rotated counterclockwise, and when the second recess 78 and the second protrusion 54 are caught, a click is generated. In this case, in addition to the first and second long grooves 62a, 62b, the third long groove 62c coincides with the third communication path 15c, so that the gas flow rate to the gas outlet member 16 increases, and thus the gas burner 23a. The thermal power of (23b) becomes heavy.

Thereby, the communication paths 15a, 15b, 15c, and 15d corresponding to the long grooves 62a, 62b, 62c, and 62d are switched for each knock position to increase and decrease the gas flow rate to adjust the fire power of each burner 23a and 23b. This makes it easier to set the fire power of the gas burner and improve the convenience of use of the gas appliance.

In addition, since the gas flow rate passing through the communication paths 15a, 15b, 15c, and 15d is determined at each orifice hole 63a, 63b, 63c, and 63d of the orifice member 63, each set heating power is substantially constant.

At the closed valve position of the ignition and fire extinguishing button 5, a cam groove 73 is formed so that the thermal power control dial 7 can rotate clockwise beyond the thermal power control range. When the thermal power control dial 7 is rotated to one end of the cam groove 73 beyond the thermal control range, the first protruding piece 51 is pressed against the pressing direction of the operation button 5 formed at one end of the cam groove 73. It can be caught by the wall part 73a which is orthogonal, and can be child-locked.

Next, operation | movement of the gas control apparatus 1 of this invention is demonstrated using the gas burner 23a.

When the ignition and extinguishing button 5 is pressed in the closed valve position shown in Fig. 2, the thermal power control dial 7 is rotated by the action of the first protruding piece 51 and the cam groove 73.

In this case, the rotating body 61 is rotated through the gear 72, and in this position, the first, second and third long grooves 62b, 62c, 62d are the first, second and third angles. The fuel gas of the gas flow volume which matches the communication paths 15b, 15c, and 15d, respectively, and which puts the thermal power of the gas burner 23a into the gas outlet part 16 (refer FIG. 6D and FIG. 10).

If the ignition and fire extinguishing operation of the fire extinguishing button 5 is continued, as shown in FIG. 7, the operation rod 4 is pushed back through the press rod 5a to open the main valve, and the valve body 32 is opened. To reach the ignition position.

When the ignition position is reached, the ignition operation of the gas burner 23a is performed by the discharge unit. When the flame detection element 26 (see Fig. 1) provided near the gas burner 23a detects the flame of the gas burner 23a, the solenoid valve 3 is excited by a signal from the control unit and the open valve is held. .

When the gas burner 23a is ignited and the ignition and extinguishing button 5 is released, the ignition and extinguishing button 5 is guided to the heart cam mechanism 5b to reach the open valve position shown in FIG. do. In the open valve position, the main valve is held by the press-in action of the operation rod 4 and the thermal control dial 7 rotates within the thermal power control range.

In order to strengthen the fire power of the gas burner, if the iron portion provided in the base 70a of the thermal power control dial 7 is rotated counterclockwise until it is caught by the stopper provided in the furnace gas 21, the second, Each of the third and fourth long grooves 62b, 62c, and 62d coincides with the second, third, and fourth communication paths 15b, 15c, and 15d, respectively, to strengthen the fire power of the gas burner 23a. The fuel gas of the gas flow flows into the gas outlet part 16 (refer FIG. 6E and FIG. 9).

On the other hand, in order to make the fire power of the gas burner 23a come out compressed in neutralization, the fire control dial 7 is rotated clockwise until the second projection piece 54 is caught by the first recess 77 and generates a click. When further rotated, the first and second long grooves 62a and 62b coincide with the first and second communication paths 15a and 15b, respectively, and the gas flow rate weakens the thermal power of the gas burner 23a. Fuel gas flows into the gas outlet 16 (see FIGS. 6C and 3).

Next, when the thermal power control dial 7 is rotated clockwise until the first protruding piece 51 comes in contact with the rotation stop 76, the first long groove 62a coincides only with the first communication path 15a, and the gas The fuel gas of the minimum gas flow rate which reduces the thermal power of the burner 23a flows to the gas outlet member 16 (refer FIG. 3 and FIG. 6B).

In the case of extinguishing the gas burner 23a, when the ignition and extinguishing button 5 is pushed in the rearward direction from the open valve position, the heart cam mechanism 5b is reset, and the ignition and extinguishing button 5 is the spring 5c. Receives the pressing force of and retreats from the thermal control dial 7 shown in FIG. 2 to the closed valve position protruding.

In this case, the operation rod 4 in which the press-in rod 5a has been press-released is moved in the back direction by receiving the pressing force of the spring 34 to close the main valve. When the main valve is closed, the supply of fuel gas to the gas burner 23a is stopped and extinguished. When the control unit recognizes that the flame is turned off by the flame detection element 26, the solenoid valve 3 is closed.

Here, FIG. 12 shows a change in the amount of gas when the thermal power control dial 7 of the gas control device 1 of the present invention is rotated. According to this, even if the gas flow rate is increased by rotating the thermal control dial 7 in a counterclockwise direction, the fire power can be coped with fire, weakening, neutralizing and hardening. At each rotation angle of the adjustment dial 7, the gas flow rate is always constant.

Finally, in the closed valve position, when the thermal power control dial 7 is rotated clockwise along the cam groove 73 beyond the thermal power control range, the first projection piece 51 causes the wall surface 73a of the cam groove 73 to rotate. It becomes caught and becomes indentable and becomes child lock.

The gas control apparatus according to the present invention described above can accurately switch the fire power of the gas burner with a certain width, and can improve the convenience of use of the gas appliance.

1 is a perspective view showing a gas furnace in which the gas control apparatus of the present invention is assembled;

2 is a cross-sectional view showing the gas control device of the present invention in the closed valve position;

Figure 3a is a view explaining the position of the fire control dial for the ignition, fire button when the gas burner is weak (弱 火),

Figure 3b is a view explaining the position of the rotor when the gas burner is weak (弱 火),

4 is an exploded perspective view illustrating the configuration of an ignition, fire extinguishing button and a fire control dial;

5a to 5d are views illustrating the position of the first protruding piece of the ignition and fire extinguishing button with respect to the thermal control dial;

6A to 6E are views for explaining the rotational position of the rotating body and the position of the second protruding piece relative to the thermal power control dial in the open valve position;

7 is a sectional view showing a gas control device of the present invention in an ignition position;

8 is a sectional view showing the gas control device of the present invention in an open valve position;

9A is a view for explaining the position of the fire control dial for the ignition and fire extinguishing button when the gas burner is fortified;

9B is a view for explaining the position of the rotor when the gas burner is reinforced (fire);

10A is a view for explaining the position of the fire control dial for the ignition and fire extinguishing button when the gas burner is neutralized;

10B is a view for explaining the position of the rotating body when the gas burner is neutralized;

11A is a view for explaining the position of the fire control dial for the ignition and fire extinguishing button when the gas burner is fire extinguishing;

11b is a view for explaining the position of the rotating body when the gas burner is small fire,

12 is a view for explaining a change in gas flow rate when the thermal control dial of the gas control device of the present invention is rotated.

<Code Description of Main Parts of Drawing>

One ; Gas control devices 11a and 11b; Valve casing

12a, 12b; Internal passage 13; Gas inlet

15; Communication path 16; Gas outlet member

5; Ignition, fire extinguishing button 6; Flow control valve

61; Rotating body 7; Fire control dial

51,73; Forced rotation means

Claims (4)

A plurality of communication paths are formed, which are separated from each other and formed on the upstream side of the gas outflow part communicating with the gas burner, having a gas path, and having a gas inflow part and a gas outflow part communicating with each other through the gas path. and, Install a thermal control dial on the valve casing and insert a cylindrical rotor that rotates in synchronization with the rotation of the thermal control dial into the gas passage. On the outer circumferential surface of the rotating body, a plurality of long grooves are formed so as to correspond to the respective communication paths so as to allow communication between the gas passages and the respective communication paths so as not to overlap each other in the circumferential direction, and the corresponding long grooves are rotated by rotating the rotating body. In the gas control device in which the gas flow rate is increased or decreased corresponding to the number of communication paths, And at least one knock position for generating a click at a predetermined position in the rotational direction of the thermal control dial, and increasing or decreasing the number of long grooves and communication paths corresponding to each knock position. The method of claim 1, An orifice member having a plurality of orifice holes for adjusting a gas flow rate of fuel gas flowing through a gas burner through each communication path to a predetermined amount is mounted on the valve casing by matching each orifice hole to each communication path. Gas control device. The method according to claim 1 or 2, And an ignition and fire extinguishing button provided in the gas passage between the gas inlet and the rotating body, and incorporating an ignition and fire extinguishing button for controlling the operation of the valve. The method according to claim 1 or 2, An on / off valve is provided in the gas passage between the gas inlet and the rotating body, and an ignition / extinguishing button for controlling the operation of the on / off valve is installed in a ring-type fire control dial, In the radial hole provided on the outer circumferential surface of the ignition and fire extinguishing button, a projection piece for pressing outward is provided, and a recess is provided at a predetermined position on the inner circumferential surface of the thermal control dial, and the thermal control dial is rotated at the knock position. The gas control device characterized in that the projection is caught in the main portion to generate a click.