JPH1137450A - Heating power regulating valve for gas appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating power regulating valve for a gas appliance capable of easily finely regulating heat of a burner by rotating a lever and the like. SOLUTION: When a lever 89 is rotated by 10 degree in the direction of C, an inside surface 94 of an elongated hole pushes a pin 87 to rotate a rotary valve 53 by 37.5 degree in the direction of C together with an arm 83. In this state, an end of an inner ring valve groove 61 of the rotary valve 53 on a D direction side opposes to an inner ring gas supply hole 39. An outer valve groove and an outer ring valve hole are located at a position not opposing to the outer ring gas supply hole. Thus, the inner ring burner combusts or intermediate, and the outer ring burner is extinguished.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a valve for controlling the power of a gas appliance, and more particularly to a valve for controlling the power of a gas appliance, which can easily perform a fine control of the heat.

[0002]

2. Description of the Related Art Gas stoves used for Chinese foods and the like require a high heat power, and are equipped with a so-called multiple burner. The multiple burner includes an inner ring burner in which gas outlets are arranged in a ring shape, and an outer ring burner in which gas outlets are arranged in a ring shape concentric with the inner ring burner. An independent gas supply pipe is connected to the inner ring burner and the outer ring burner, and an opening / closing valve is provided in the middle of the gas supply pipe. And
By operating this open / close valve, the heating power is adjusted for each burner.

However, it is troublesome to operate the opening / closing valve for each of the inner wheel burner and the outer wheel burner, and there is a problem that a delicate adjustment of a plurality of burners requires considerable skill.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and is a gas which can easily perform a fine adjustment of the burner's heating power by rotating a lever or the like. It is an object of the present invention to provide a valve for controlling the power of an appliance.

[0005]

In order to achieve this object, a first aspect of the present invention is to provide a valve for controlling the heat of a burner provided in the gas appliance, the gas being supplied to a valve for adjusting the heat of the gas appliance. A valve main body having a gas supply chamber to be provided, a rotary valve housing provided in the valve main body, a gas supply hole formed in the rotary valve housing and communicating with the burner, and the rotary valve housing. A rotary valve rotatably housed in the rotary valve, a valve hole formed in the rotary valve, communicating with the gas supply chamber, and communicating with the gas supply hole when the rotary valve rotates to a predetermined position; A valve formed on the peripheral surface of the rotary valve, continuous with the valve hole, and having a smaller cross-sectional area as the distance from the valve hole increases, and a position facing the gas supply hole changes with the rotation of the rotary valve. A groove, and a rotation valve driving means for rotating the rotation valve. A thermal power adjusting valve of the gas appliance, wherein Rukoto.

According to a second aspect of the present invention, in the valve for controlling the thermal power of a gas appliance according to the first aspect, the rotary valve driving means includes an arm that rotates together with the rotary valve, and the arm provided on the arm. A pin provided at a position distant from the center of rotation of the valve, a lever having a center of rotation at a position distant from the center of rotation of the rotary valve, and an inner surface provided when the lever provided on the lever is rotated. A long hole formed so as to press the pin and rotate the rotary valve.

According to a third aspect of the present invention, there is provided any one of the first and second aspects of the present invention,
Ignition means for igniting gas released from the burner is provided, and when the ignition means is operated, the amount of gas supplied from the valve hole to the gas supply hole increases in conjunction with the operation of the ignition means. A gas power control valve for a gas appliance, comprising ignition interlocking means for operating a rotary valve driving means.

According to a fourth aspect of the present invention, in the thermal power control valve for a gas appliance according to the third aspect, the ignition interlocking means comprises:
When an ignition hole is actuated by activating the ignition means with an engagement hole provided in the lever and one end entering the engagement hole, the amount of gas supplied to the burner by pushing the inner surface of the engagement hole increases. The present invention is a valve for adjusting the thermal power of a gas appliance, which is constituted by a lever cam which operates in a direction in which the lever operates.

According to a fifth aspect of the present invention, in any one of the thermal power control valves for gas appliances described in the first to fourth aspects,
A plurality of gas supply holes are provided and communicate with each of a plurality of burners constituting the combustion section. A number of valve holes are provided corresponding to the plurality of gas supply holes, and the rotary valve is rotated. A thermal power control valve for a gas appliance, which is provided so as to communicate with each of the plurality of gas supply holes at a predetermined position.

According to a sixth aspect of the present invention, in any one of the thermal power control valves for a gas appliance according to the fifth aspect, the plurality of valve grooves have different lengths in the extending direction. This is an adjustment valve.

According to a seventh aspect of the present invention, there is provided the gas appliance according to any one of the sixth and seventh aspects, wherein a change amount of a cross-sectional area of the plurality of valve grooves is different. This is a thermal power control valve.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a valve 1 for adjusting a thermal power of a gas appliance according to an embodiment of the present invention will be described. The thermal power control valve 1 controls the thermal power of the double burner 10 as a combustion unit shown in FIG. Double burner 10
Is composed of an inner ring burner 10a and an outer ring burner 10b. The inner ring burner 10a and the outer ring burner 10b are provided with a plurality of gas discharge ports 12 arranged in a ring shape.

Reference numeral 3 denotes a valve body, in which a first valve chamber 2 and a second valve chamber 4 are formed. The first valve chamber 2 and the second valve chamber 4 extend in the axial direction of the valve body 3 (hereinafter, referred to as AB direction), and communicate with each other through a communication hole 6. Further, a gas inlet 5 is formed in the valve body 3, and the gas inlet 5 communicates with the first valve chamber 2. One end of a supply pipe 7 is connected to the gas inlet 5, and gas is introduced into the first valve chamber 2 via the supply pipe 7.

An electromagnetic valve 11 is accommodated in the first valve chamber 2, and the electromagnetic valve 11 is provided with an access shaft 13.
A valve body 15 is attached to the access shaft 13.
Is pressed against the valve seat 19 by the coil spring 17. The electromagnetic valve 11 is provided with a temperature sensor 27, and this temperature sensor 27 is arranged so as to face the inner ring burner 10a. When the access shaft 13 is completely retracted and the temperature sensor 27 senses a temperature equal to or higher than a predetermined value, electricity is supplied to the access shaft 13, and the access shaft 13 is held in a state where the access shaft 13 is retracted by the magnet.

The center rod 25 penetrates the valve body 3 from the direction B, the base end protrudes from the valve body 3, and the front end enters the second valve chamber 4. A valve body 29 is attached to the tip of the center rod 25, and the valve body 29 is pressed against a valve seat 33 by a coil spring 31.

Reference numeral 35 denotes a gas supply chamber, which communicates with the second valve chamber 4 through a communication hole 37. A rotary valve housing 51 is formed in the gas supply chamber 35,
An inner ring gas supply hole 39 and an outer ring gas supply hole 41 are formed in the rotary valve housing 51. The inner ring gas supply hole 39 is formed at the center in the vertical direction of the rotary valve housing 51, and the outer ring gas supply hole 41 is formed at the lower end of the rotary valve housing 51. The inner ring gas supply hole 39 is disposed at a position shifted by 90 ° from the outer ring gas supply hole 41 about the axis of the rotary valve housing 51.

The inner ring gas supply hole 39 is provided at the inner ring gas supply port 43, and the outer ring gas supply hole 41 is provided at the outer ring gas supply port 45.
Are in communication with each other. A nozzle 47 is connected to the inner ring gas outlet 43, and a nozzle 49 is connected to the outer ring gas outlet 45. As shown in FIG. 6, the nozzle 47 is connected to a connection hole 50 communicating with the inner ring burner 10a, and the nozzle 49 is connected to a connection hole 52 communicating with the outer ring burner 10b.

A rotary valve 53 is rotatably housed in the rotary valve housing 51. As shown in detail in FIG. 5, a center hole 55 is formed in the rotation valve 53, and the center hole 55 extends in the axial direction of the rotation valve 53. An inner ring valve hole 57 is formed at the axial center of the rotary valve 53, and an outer ring valve hole 59 is formed at the lower end. The inner ring valve hole 57 and the outer ring valve hole 59 communicate with the center hole 55 and open on the outer peripheral surface of the rotary valve 53. Further, the inner ring valve hole 57 is arranged to be shifted by 90 ° from the outer ring valve hole 59 about the axis of the rotary valve 53. The inner ring valve hole 57 is formed at a position where the inner ring gas supply hole 39 overlaps, and the outer ring valve hole 5 is formed.
Reference numeral 9 is formed at a position overlapping the outer ring gas supply hole 41.

As shown in FIG. 25, an inner ring valve groove 61 and an outer ring valve groove 63 are formed on the outer peripheral surface of the rotary valve 53. The inner ring valve groove 61 is formed in the inner ring valve hole 57 and the outer ring is formed. Valve groove 6
Numerals 3 are respectively connected to the outer ring valve holes 59. As shown in FIG. 26, a virtual line a connecting the center of the inner ring valve hole 57 and the rotation center of the rotary valve 53 and a virtual line connecting the end of the inner ring valve groove 61 and the rotation center of the rotary valve 53. Angle θ1 of the angle between line b
Is 150 °. Center of outer ring valve hole 59 and rotary valve 5
The angle θ2 between an imaginary line c connecting the rotation center of No. 3 and an imaginary line d connecting the end of the outer ring valve groove 63 and the rotation center of the rotation valve 53 is 75 °. Therefore, the inner ring valve groove 61
Is smaller than the length of the outer ring valve groove 63.

The inner ring valve groove 61 becomes shallower as the distance from the inner ring valve hole 57 increases, and the sectional area of the inner ring valve groove 61 changes so as to become smaller as the distance from the inner ring valve hole 57 increases. The outer ring valve groove 63 is also provided with the outer ring valve hole 5.
9, the outer ring valve groove 63 becomes shallower.
Is changed so as to become smaller as the distance from the outer ring valve hole 59 increases. The amount of change in the cross-sectional area of the inner ring valve groove 61 is smaller than the amount of change in the cross-sectional area of the outer ring valve groove 63.

A fitting groove is formed in the rotary valve 53,
An O-ring 65 is fitted in the fitting groove. Rotating valve 5
In FIG. 3, a substantially cylindrical convex portion 67 is formed, and an upper end portion 69 of the convex portion 67 is formed in a shape obtained by cutting a tip portion of the column. In addition, a screw hole 71 is formed in the distal end surface of the convex portion 67. Reference numeral 73 denotes a lever base, and the lever base 73 has a screw hole 75 and screw insertion holes 77 and 79.
Are formed, and a convex through hole 81 is further formed.
A click hole 74 is formed on the upper surface of the lever base 73.

Reference numeral 83 denotes an arm.
Is formed with a hole 85 shaped to fit into the convex portion 67 of the rotary valve 53, and a pin 87 is further fixed. Code 89
Indicates a lever, and this lever 89 has a circular mounting hole 9.
1. An elongated hole 93 extending in the longitudinal direction of the lever 89 is formed. Further, a side piece 95 is provided on the lever 89,
The side piece 95 has a rectangular engaging hole 97 formed therein. The engagement hole 97 extends in a direction orthogonal to the elongated hole 93. A click projection 99 is formed on the lower surface of the lever 89.

Reference numeral 101 denotes a lever cam. The lever cam 101 is rotatably attached to the valve body 3 by a screw 102. The lever cam 101
A cam portion 103 having a substantially “U” shape, and the cam portion 103
And a bent piece 105 formed integrally with the valve body 3, and the bent piece 105 extends in a direction orthogonal to the axis of the valve body 3.

The screws 107 and 109 are inserted through the screw insertion holes 77 and 79 of the lever base 73 and are attached to the screw holes 111 and 113 formed in the valve body 3, and the lever base 73 is fixed to the valve body 3. . The convex portion 67 of the rotary valve 53 is provided with the convex portion through hole 8 of the lever base 73.
1, and projects upward. The hole 85 of the arm 83 is fitted into the projecting portion of the projection 67, the screw 115 is attached to the screw hole 71, and the arm 83 is prevented from coming off.

Wave washer 1 is attached to screw 117 with flange.
20 is fitted, and the screw 117 with a flange is
The lever 89 is attached to the lever base 7.
3 is attached rotatably around a screw 117 with a flange. Further, a pin 87 is movably inserted into the elongated hole 93 of the lever 89. Further, the tip of the cam portion 103 of the lever cam 101 is inserted into the rectangular engagement hole 97, and the rear side surface 119 of the cam portion 103 is in contact with the rear inner surface 121 of the rectangular engagement hole 97.

A housing 123 is attached to the valve body 3, and a base end of a center rod 25 protrudes into the housing 123. A slide switch 125 is housed in the housing 123 so as to be operable in the AB direction, and the retaining projection 127 is locked to the housing 123 so as to be retained. The slide switch 125 is urged in the direction B by a coil spring 129. A push rod 126 is formed on the slide switch 125, and the distal end face of the push rod 126 faces the base end face of the center rod 25. A switch pressing portion 131 is formed on the slide switch 125, and the switch pressing portion 131 protrudes to the side. Further, a bent piece pressing portion 132 is formed on the slide switch 125, and the bent piece pressing portion 132 protrudes upward. The rectangular engaging hole 97 of the lever 89, the lever cam 101, and the bent piece pressing portion 132 constitute ignition interlocking means.

On the back surface of the slide switch 125, a groove-shaped heart cam 133 is formed. Cam pin 135
Are bent at substantially right angles in the same direction. The base end of the cam pin 135 is swingably supported by the slide switch 125, and the tip 138 is movably inserted into the heart cam 133. A step is formed in the heart cam 133, and the tip 138 of the cam pin 135 operates only in the direction indicated by the arrow in the heart cam 133. The housing 123 is provided with a limit switch 137, and a terminal 136 of the limit switch 137 is
The power supply and the discharge member 139 are connected via the cord 140. As shown in FIG. 6, the discharge member 139 is arranged so as to face the inner ring burner 10a. The limit switch 137 is provided with a button 141 and an elastic piece 143. Limit switch 137, discharge member 1
The ignition means is constituted by 39 and the cord 140.

Next, a method of operating the thermal power control valve 1 will be described. As shown in FIGS. 3, 7, and 8, in the initial state before ignition, the slide switch 125 is located closest to the direction B, and the leading end 13 of the cam pin 135
Numeral 8 is inserted into the end of the heart cam 133 closest to the direction A. Further, the valve body 29 attached to the center rod 25 is pressed against the valve seat 33 by the coil spring 31, and the communication hole 37 is closed. The valve body 15 of the solenoid valve 11 is also pressed against the valve seat 19 by the coil spring 17, and the communication hole 6 is closed.

As shown in FIG. 15, the lever 89 is positioned at the most clockwise direction (hereinafter referred to as the C direction). As shown in FIG. 16, the lever 89 is rotated counterclockwise in the inner ring valve groove 61 of the rotary valve 53. A part of the end on the direction (hereinafter referred to as the D direction) faces the inner ring gas supply hole 39. In addition, as shown in FIG. 17, the outer ring valve groove 63 and the outer ring valve hole 59 are located so as not to face the outer ring gas supply hole 41.

The operation of igniting from the above initial state will be described. Push the slide switch 125 in the A direction, push the center rod 25 with the pushing rod 126,
It is operated in the direction A against the coil spring 31. Thereby, as shown in FIG. 9, the valve element 29 is separated from the valve seat 33, and the tip of the center rod 25 pushes the access shaft 13 of the solenoid valve 11 to separate the valve element 15 from the valve seat 19.
Therefore, the first valve chamber 2 communicates with the second valve chamber 4 through the communication hole 6, and the second valve chamber 4 communicates with the gas supply chamber 35 through the communication hole 37.

On the other hand, when the slide switch 125 operates in the direction A, the bent piece pressing portion 132 pushes the bent piece 105 of the lever cam 101, as shown in FIG. Rotate. As a result, the rear side surface 119 of the lever cam 101 pushes the inner side surface 121 of the rectangular engagement hole 97 of the lever 89, and rotates the lever 89 in the D direction from the initial state shown in FIG.
State. In this state, the click projection 99 is at the click position where it is fitted into the click hole 74. When the lever 89 rotates, the inner surface 94 of the elongated hole 93 pushes the pin 87, and rotates the rotary valve 53 together with the arm 83 in the direction D. In this state, as shown in FIG. 22, the inner ring valve groove 61 of the rotary valve 53 has a substantially center in the extending direction opposed to the inner ring gas supply hole 39, and as shown in FIG. Is opposed to the outer ring gas supply hole 41.

Accordingly, the gas supplied from the gas introduction hole 5 to the first valve chamber 2 is supplied to the second valve chamber 4 via the communication hole 6 and further from the second valve chamber 4 via the communication hole 37. The gas is supplied to the gas supply chamber 35. The gas supplied to the gas supply chamber 35 is supplied from the center hole 55 to the inner ring valve hole 57, the inner ring valve groove 61, the inner ring gas supply hole 39, the inner ring gas outlet 43,
Through the nozzle 47 and the connection hole 50, the inner ring burner 10a
And is discharged from the gas discharge port 12. The gas supplied to the gas supply chamber 35 passes from the center hole 55 through the outer ring valve hole 59, the outer ring valve groove 63, the outer ring gas supply hole 41, the outer ring gas outlet 45, the nozzle 49, and the connection hole 52. Is supplied to the outer ring burner 10 b and is discharged from the gas discharge port 12.

When the slide switch 125 operates in the direction A as shown in FIG. 9, the switch pressing portion 131 pushes down the elastic piece 143, and the elastic piece 143 pushes the button 141.
push. When the button 141 is pressed, the limit switch 137 is turned on, an electric spark is emitted from the discharge member 139, and the gas discharged from the gas discharge ports 12 of the inner ring burner 10a and the outer ring burner 10b is ignited, and combustion is started. . When the slide switch 125 operates in the A direction,
The tip portion 138 of the cam pin 135 operates to the position of the heart cam 133 shown in FIG. 10, and when the hand is released from the slide switch 125, it returns to the direction B and returns to the position shown in FIG.
Fixed position). Therefore, the slide switch 125 is held in the state shown in FIG. That is, the pressing rod 126 keeps pressing the center rod 25 in the direction A, and the valve body 29 is separated from the valve seat 33. Further, the switch pressing portion 131 is in a state where it has been moved to a position where the elastic piece 143 is not pressed.

In this state, as shown in FIG. 22, the inner ring valve groove 61 of the rotary valve 53 has a substantially center in the extending direction opposed to the inner ring gas supply hole 39. The gas is supplied through a portion of the inner ring valve groove 61 having a cross-sectional area through which the gas burned by the inner ring burner 10a passes through the medium heat. Also, as shown in FIG.
3 is opposed to the outer ring gas supply hole 41, the outer ring burner 10b has an outer ring burner 10b of the outer ring valve groove 63 having a cross-sectional area through which gas burned on medium heat passes. Gas is supplied through the section. Therefore, both the inner wheel burner 10a and the outer wheel burner 10b burn on medium heat.

When the lever 89 is rotated by 10 degrees in the direction C as shown in FIG. 18 from the state shown in FIG. 21, the inner side surface 94 of the elongated hole 93 pushes the pin 87, and the rotary valve 53 is moved together with the arm 83 to the C position. 37 ° in the direction. In this state,
As shown in FIG. 19, the end in the direction D of the valve groove 61 of the rotary valve 53 faces the inner ring gas supply hole 39. FIG.
As shown in the figure, the outer ring valve groove 63 and the outer ring valve hole 59 are
This is a position that does not face the outer ring gas supply hole 41. Therefore, the inner ring burner 10a burns on medium heat, and the outer ring burner 10a burns.
b becomes a fire extinguishing state.

When the lever 89 is rotated in the direction C by 10 ° from the state shown in FIG. 18 as shown in FIG. 15, the inner side surface 94 of the elongated hole 93 pushes the pin 87, and together with the arm 83, the rotary valve 53 Is rotated 37 ° in the C direction. In this state, as shown in FIG. 16 described above, a part of the end in the D direction of the inner ring valve groove 61 of the rotary valve 53 is
, The inner ring burner 10a is provided with the inner ring valve groove 6.
The gas is supplied through a portion having a cross-sectional area through which the gas burned by a low flame passes through one inner ring burner 10a. Further, as shown in FIG. 17 described above, the outer ring valve groove 63 and the outer ring valve hole 59 are located at positions not opposed to the outer ring gas supply holes 41, so that no gas is supplied to the outer ring burner 10b. Therefore, the inner wheel burner 10a burns with a low heat, and the outer wheel burner 10b is extinguished.

When the lever 89 is rotated by 20 degrees in the direction D from the state shown in FIG. 21 to the state shown in FIG.
The rotary valve 53 is rotated by 75 ° in the direction D, and the inner ring valve hole 57 of the rotary valve 53 is turned into the inner ring gas supply hole 3 as shown in FIG.
9, the gas that the inner ring burner 10a burns with high heat is supplied. Further, as shown in FIG. 26, since the outer ring valve groove 63 faces the outer ring gas supply hole 41, the gas that the outer ring burner 10b burns with high heat is supplied. Therefore, both the inner ring burner 10a and the outer ring burner 10b
Burns on high heat.

To extinguish the double burner 10, the slide switch 12 is moved from the state shown in FIGS.
Press 5 to operate in the A direction. As a result, the cam pin 1
The tip end 138 of the 35 is disengaged from the fixed position of the heart cam 133, and the slide switch 125 is operated in the direction B by the coil spring 129.
In the initial state shown in (1), the valve body 29 is pressed against the valve seat 33 by the coil spring 17, and the communication hole 37 is closed. Accordingly, the supply of gas to the double burner 10 is stopped, and the fire is extinguished. When the double burner 10 is extinguished,
The temperature sensed by the temperature sensor 27 becomes lower than a certain value,
The energization is stopped, the holding of the access shaft 13 by the magnet is released, and the valve body 15 is pressed against the valve seat 19 by the coil spring 17.

As described above, in the thermal power control valve 1, if the lever 89 is rotated in the range of the angle of 40 °, the rotary valve 5
3 rotates in an angle range of 150 °. That is, although the rotation angle of the lever 89 is small, the rotation valve 5
3 can be increased in angle of rotation. Therefore, it is possible to finely adjust the degree of fire of the inner wheel burner 10a and the outer wheel burner 10b even in a small rotation angle range of the lever 89. Further, since the length dimension of the inner ring valve groove 61 and the length dimension of the outer ring valve groove 63 are different, for example, the inner ring burner 1
A different state of burning 0a with low heat and extinguishing the outer ring burner 10b can be obtained by operating only one lever 89.

Although the embodiment of the present invention has been described in detail above, the specific configuration is not limited to this embodiment, and there are changes in the design without departing from the gist of the present invention. Are also included in the present invention. For example, in the embodiment, the double burner is shown, but the present invention can be applied to a triple or more burner. In this case, the gas supply holes of the valve body, the valve holes and the valve grooves of the rotary valve are increased in accordance with the number of burners. In addition, the present invention can be applied to a gas appliance having one burner, and can be used for controlling the heat of one burner. In this case, one gas supply hole in the valve body, one valve hole and one valve groove for the rotary valve are provided.

The present invention can be applied not only to the burner in which the gas discharge ports are arranged in a ring shape but also to a gas appliance having a burner in which the gas discharge ports are arranged in a U-shape or a rod shape. it can. Further, the present invention can be applied to a gas appliance having a plurality of burners arranged vertically independently, such as a so-called double-sided grill. In this case, the heating power of the upper burner and the lower burner can be simultaneously adjusted only by operating a member such as one lever. Further, the cross-sectional areas of the inner ring valve groove 61 and the outer ring valve groove 63 may be changed by changing the width dimension instead of the depth. The amount of change in the inner ring valve groove 61 and the outer ring valve groove 63 is appropriately changed depending on the type of gas appliance and gas used. Also, the inner ring valve hole 5 of the rotary valve 53
If a fitting groove is formed between the inner ring valve hole 57 and the outer ring valve hole 59, and an O-ring is fitted and attached to the fitting groove, the gap between the inner ring valve hole 57 and the outer ring valve hole 59 is more securely sealed. As a result, gas inflow between the inner ring valve hole 57 and the outer ring valve hole 59 can be completely prevented.

[0042]

As described above, according to the first aspect of the present invention, it is possible to finely adjust the heat of the burner.
According to the second aspect of the present invention, the turning angle of the turning valve can be increased despite the turning angle of the lever being small. Accordingly, the flow rate of gas supplied to the burner can be finely adjusted even in the range of a small rotation angle of the lever, and the burner can be finely adjusted. According to the third and fourth aspects of the present invention, since the ignition interlocking means is provided, when the ignition means ignites the gas, the amount of gas supplied to the burner increases, and the ignition becomes easy.

According to the fifth aspect of the invention, it is possible to finely adjust the degree of fire of the plurality of burners. According to the invention of claim 6, since the length dimensions of the plurality of valve grooves are different, 1
By operating only one member, a plurality of burners can be switched to a fire extinguishing and burning state, respectively. According to the invention of claim 7, since the cross-sectional areas of the plurality of valve grooves have different amounts of change, different combustion states such as low heat and medium heat can be obtained for a plurality of burners by operating only one member. become able to.

[Brief description of the drawings]

FIG. 1 is a perspective view of a thermal power control valve of a gas appliance according to an embodiment of the present invention.

FIG. 2 is a partially exploded perspective view of a valve for adjusting a thermal power of the gas appliance according to the embodiment of the present invention.

FIG. 3 is a longitudinal sectional view of a valve for adjusting a thermal power of the gas appliance according to the embodiment of the present invention.

FIG. 4 is a perspective view of a rotary valve provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 5 is a front view of a rotary valve provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 6 is a plan view of a double burner connected to the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 7 is a diagram for explaining an operation of a slide switch and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 8 is a diagram for explaining the operation of a slide switch and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 9 is a diagram for explaining the operation of a slide switch and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 10 is a diagram for explaining the operation of a slide switch and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 11 is a diagram for explaining an operation of a slide switch and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 12 is a view for explaining the operation of a slide switch and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 13 is a diagram for explaining the operation of a slide switch and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 14 is a diagram for explaining an operation of a slide switch and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 15 is a view for explaining an operation of a lever and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 16 is a cross-sectional view for explaining an operation corresponding to FIG. 15 of a rotary valve provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 17 is a cross-sectional view for explaining an operation corresponding to FIG. 15 of the rotary valve provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 18 is a view for explaining an operation of a lever and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 19 is a cross-sectional view for explaining an operation corresponding to FIG. 18 of the rotary valve provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 20 is a cross-sectional view for explaining an operation corresponding to FIG. 18 of the rotary valve provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 21 is a view for explaining an operation of a lever and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 22 is a cross-sectional view for explaining an operation corresponding to FIG. 21 of the rotary valve provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 23 is a cross-sectional view for explaining an operation corresponding to FIG. 21 of the rotary valve provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 24 is a view for explaining the operation of a lever and the like provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 25 is a cross-sectional view for explaining an operation corresponding to FIG. 24 of the rotary valve provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

FIG. 26 is a cross-sectional view for explaining an operation corresponding to FIG. 24 of a rotary valve provided in the thermal power control valve of the gas appliance according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Thermal power control valve of gas appliance 2 1st valve room 3 Valve body 4 2nd valve room 5 Gas inlet 6 Communication hole 7 Supply pipe 10 Double burner 10a Inner ring burner 10b Outer ring burner 11 Solenoid valve 12 Gas outlet 13 In / out 13 Shaft 15 Valve body 17 Coil spring 19 Valve seat 25 Center rod 27 Temperature sensor 29 Valve body 31 Coil spring 33 Valve seat 35 Gas supply chamber 37 Communication hole 39 Inner ring gas supply hole 41 Outer ring gas supply hole 43 Inner ring gas delivery port 45 Outer Ring Gas Outlet 47 Nozzle 49 Nozzle 50 Connecting Hole 51 Rotating Valve Housing 52 Connecting Hole 53 Rotating Valve 55 Center Hole 57 Inner Ring Valve Hole 59 Outer Ring Valve Hole 61 Inner Ring Valve Groove 63 Outer Ring Valve Groove 65 O-ring 67 Convex part of rotary valve 69 Upper end of convex part 71 Screw hole 73 Lever base 74 Click hole 75 Screw hole 77 Screw insertion hole 79 Screw insertion hole 81 Convex part through hole 83 Arm 85 hole 87 Pin 89 Lever 91 Mounting hole 93 Long hole 94 Inner side surface of long hole 95 Side piece 97 Rectangular engaging hole 99 Click convex part 101 Lever cam 102 Screw 103 Cam part 105 Folded piece 107 Screw 109 Screw 111 Screw hole 113 Screw hole 115 Screw 117 Flanged screw 119 Side face on the rear side of cam part 120 Wave washer 121 Inner side face of rectangular hole 123 Housing 125 Slide switch 126 Press rod 127 Pull out Stop convex part 129 Coil spring 131 Switch pressing part 132 Bending piece pressing part 133 Heart cam 135 Cam pin 137 Limit switch 138 End part of cam pin 139 Discharge member 140 Code 141 Button 143 Elastic piece

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[Procedure amendment]

[Submission date] October 27, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claim 7

[Correction method] Change

[Correction contents]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction contents]

According to a seventh aspect of the present invention, in any one of the thermal power control valves for a gas appliance according to the sixth aspect, the variation in the cross-sectional area of the plurality of valve grooves is different. Valve.

Claims (7)

[Claims] A gas power control valve for a gas appliance for adjusting a heat power of a burner provided in the gas appliance, a valve body having a gas supply chamber to which gas is supplied, and a valve provided on the valve body. A valve operating portion, a gas supply hole formed in the rotary valve housing and communicating with the burner, a rotary valve rotatably stored in the rotary valve housing, and a rotary valve formed in the rotary valve. A valve hole that communicates with the gas supply chamber, and that communicates with the gas supply hole when the rotary valve rotates and comes to a predetermined position;
A valve formed on the peripheral surface of the rotary valve, continuous with the valve hole, and having a smaller cross-sectional area as the distance from the valve hole increases, and a position facing the gas supply hole changes with the rotation of the rotary valve. A valve for controlling a thermal power of a gas appliance, comprising: a groove; and a rotating valve driving means for rotating the rotating valve. 2. The valve for controlling the thermal power of a gas appliance according to claim 1, wherein the rotation valve driving means includes an arm that rotates together with the rotation valve, and a rotation center of the rotation valve provided on the arm. A pin provided at a position distant from the lever, a lever having a center of rotation at a position distant from the center of rotation of the rotary valve, and an inner surface pressing the pin when the lever provided on the lever is rotated, And a long hole formed so as to rotate the rotary valve. 3. A valve for controlling the power of a gas appliance according to claim 1 or 2, further comprising an ignition means for igniting the gas discharged from the burner. An ignition interlocking means for operating a rotary valve driving means so that an amount of gas supplied from the valve hole to the gas supply hole increases in conjunction with the operation, for adjusting the heat power of the gas appliance. valve. 4. The valve for controlling the thermal power of a gas appliance according to claim 3, wherein the ignition interlocking means includes an engaging hole provided in the lever and one end entering the engaging hole to activate the ignition means. And a lever cam for pushing an inner surface of the engagement hole to operate the rotating lever in a direction to increase the amount of gas supplied to the burner. 5. A gas power control valve for a gas appliance according to any one of claims 1 to 4, wherein a plurality of gas supply holes are provided and communicate with each of a plurality of burners constituting a combustion part. The valve holes are provided with numbers corresponding to the plurality of gas supply holes, and are provided so as to communicate with each of the plurality of gas supply holes when the rotary valve is rotated to a predetermined position. For adjusting the heat of gas appliances. 6. The valve for controlling the power of a gas appliance according to claim 5, wherein the lengths of the plurality of valve grooves in the extending direction are different. 7. A valve for controlling the power of a gas appliance according to claim 6, wherein a change amount of a sectional area of the plurality of valve grooves is different.