JP3127189B2 - Gas stove appliance tap - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device stove for a gas stove, and more particularly to a device stove for a gas stove in which an operating member is operated in conjunction with an operation member such as an operation knob to supply a gas to a burner. .

[0002]

2. Description of the Related Art Conventionally, when an operating knob provided on an instrument plug of a gas stove is turned, an operating member moves in conjunction with the operation of the operating knob, and the operating member opens a valve to supply gas to a burner. . On the other hand, when the operation knob is turned, the ignition device is activated, and the gas released from the burner is ignited.

[0003]

However, in the above-mentioned conventional gas stove instrument plug, the operating member is directly fixed to the operation knob and is made of a material having poor elasticity. There is a problem that it is not possible to flexibly cope with variation in the operation stroke of the member, and there is a possibility that an operation failure may occur.

Further, the size and shape of the operating members are naturally limited from the viewpoint of cost reduction.
There is no freedom as a part. For this reason, the arrangement position of the valve opened by the operating member is also limited, and there is a disadvantage that the range of selection of the component layout is extremely narrow. The present invention has been made in view of the above-mentioned conventional problems, and can flexibly cope with variations in the operation stroke of the operating member, without causing a malfunction, and freely changing the arrangement position of the valve. It is an object of the present invention to provide a gas stove with a wide range of component layout options.

[0005]

According to a first aspect of the present invention, there is provided a valve for supplying and stopping gas to a burner, ignition means for igniting gas discharged from the burner, opening the valve, and An operating member for operating an ignition means, and an instrument plug for a gas stove having an operating member for opening a valve in conjunction with the operating member, wherein a torsion spring is used for the operating member. It is an instrument stopper.

According to a second aspect of the present invention, in the first aspect, the electromotive force is generated while the gas discharged from the burner is burning, and the generation of the electromotive force is stopped when the combustion is stopped and the temperature falls below a predetermined temperature. A gas stove appliance plug comprising a thermocouple, wherein the valve is constituted by an electromagnetic valve which opens when the electromotive force of the thermocouple is generated and closes when the generation of the electromotive force stops.

[0007]

According to the first aspect of the present invention, when the operating member is operated,
The torsion spring operates in conjunction with the operation of the operation member.
The valve is then opened and gas is supplied to the burner. The ignition means operates in conjunction with the operation of the operation member, and ignites the gas discharged from the burner.

According to the second aspect of the present invention, when the gas released from the burner is burning, the solenoid valve is kept open by the electromotive force of the thermocouple, and when the combustion stops and the temperature falls below a predetermined temperature, the solenoid valve is opened. The generation of electric power is stopped, the solenoid valve is closed, the supply of gas to the burner is stopped, and the fire is extinguished.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. In FIG. 1, reference numeral 1 denotes a gas stove, and the gas stove 1 is provided with an instrument plug 3.
The instrument plug 3 is provided with a gas supply port 5, into which the stem of the gas cylinder B is inserted. Code 7
Denotes a burner, and the gas in the gas cylinder B is supplied to the burner 7 through the instrument plug 3.

The detailed structure of the instrument plug 3 will be described.
The device stopper 3 is equipped with a safety device for extinguishing.
Reference numeral 9 denotes a main body, and the main body 9 has a governor 11,
An electromagnetic valve 13 is provided. Reference numeral 15 denotes a valve opening pin. When the valve opening pin 15 is pressed and retracted, the solenoid valve 13 is opened. A coil spring 17 is fitted on the valve opening pin 15, and the valve opening pin 15 is urged by the coil spring 17 in a protruding direction. Further, the electromagnetic valve 13 is provided with a thermocouple 19, and the sensor section 21 of the thermocouple 19 is arranged near the burner 7.

The main body 9 is provided with an operation shaft 23,
The operation shaft 23 is manufactured in a shape in which a part of a cylinder is cut. A drive arm 25 is provided on the operation shaft 23.
Is provided. Reference numeral 27 denotes a torsion spring as an operating member. The torsion spring 27 is rotatably fitted to a support screw 29 attached to the main body 9. One end 31 of the torsion spring 27 is connected to the valve opening pin 15.
, And the other end 33 is in contact with the drive arm 25.

Reference numeral 35 denotes an ignition unit, and a hole 42 is formed in a base plate 37 of the ignition unit 35. The base plate 37 has switches 39 and 41. The switches 39 and 41 include a pressing piece 43,
A switch 45 is provided, and when the pressing pieces 43 and 45 are pressed, the switches 39 and 41 are operated. The switches 39 and 41 are connected to an ignition element 36 arranged near the burner 7.

The operating shaft 23 has a hole 42 in the base plate 37.
The operation shaft 23 has a coil spring 4
7. The swing cams 49 and 51 are fitted. Further, the operation shaft 23 penetrates a hole 55 of the mounting bracket 53. The mounting bracket 53 and the base plate 37 of the ignition unit 35 are mounted on the main body 9 by mounting screws 57 and 59. An operation knob 61 is attached to the tip of the operation shaft 23.

Next, the operation of the instrument plug 3 of the gas stove 1 will be described. In the initial state shown in FIGS. 3 and 4, the torsion spring 27 is at the neutral position, the valve opening pin 15 is in a protruding state, and the electromagnetic valve 13 is closed. 5 and 6, the operation knob 61 is rotated counterclockwise by 135 degrees, and the operation shaft 23 is rotated counterclockwise by 1 degree.
Turn 35 degrees. When the operation shaft 23 is turned counterclockwise, the drive arm 25 is driven to push the other end 33 of the torsion spring 27 and rotate the torsion spring 27. When the torsion spring 27 rotates, one end 31 of the torsion spring 27
Presses the head of the valve opening pin 15 to move the valve opening pin 15 in the retracting direction. When the valve opening pin 15 moves in the retracting direction, the solenoid valve 13 is opened against the urging force of the valve spring 63 and gas is supplied to the burner 7.

On the other hand, when the operation shaft 23 rotates counterclockwise, the swing cam 49, together with the cam operation shaft 23,
51 also rotates, pressing the pressing piece 43 of the switch 39, and the switch 39 is turned on. Then, the ignition element 36 operates to ignite the gas released from the burner 7.
When the gas released from the burner 7 burns and the sensor unit 21 of the thermocouple 19 detects a predetermined temperature, an electromotive force is generated and the solenoid valve 13 is kept open against the urging force of the valve spring 63. Dripping.

Next, when the operator releases the operating knob 61, the valve opening pin 15 of the operating shaft 23 is protruded by the urging force of the coil spring 17, the torsion spring 27 is rotated, and the driving arm 25 is rotated. When the drive arm 25 is rotated, the operation shaft 23 rotates clockwise by 15 degrees,
The pressing of the swing cams 49 and 51 against the pressing piece 43 is released, and the operation shaft 23 stops at that position. That is, the operation shaft 23 is rotated counterclockwise from the initial state by 12 degrees.
It stops at the position turned by 0 degrees, and the gas released from the burner 7 continues to burn. As described above, the solenoid valve 13 is kept open against the valve spring 63 by the electromotive force of the thermocouple 19.

Next, the operation of the extinguishing safety device mounted on the instrument plug 3 will be described. When the flame of the burner 7 extinguishes due to boiling over or the like, the temperature of the sensor unit 21 of the thermocouple 19 decreases. And the sensor unit 21
When the temperature becomes equal to or lower than the predetermined temperature, no electromotive force is generated in the thermocouple 19, so that the solenoid valve 13 is closed by the urging force of the valve spring 63, and the supply of gas to the burner 7 is stopped.

When the torsion spring 27 is used as described above, the projection size of the valve opening pin 15 varies, and even if the operation stroke of the torsion spring 27 varies, the torsion spring 27 itself absorbs the variation. Will do. Therefore, it is possible to flexibly cope with variation in the operation stroke, and it is possible to completely prevent the occurrence of operation failure.

Although the embodiment of the present invention has been described in detail above, the specific configuration is not limited to this embodiment, and even if there is a design change without departing from the gist of the present invention, the present invention is not limited to this embodiment. Included in the invention. For example, the drive arm 25,
The arrangement position of the valve opening pin 15 may be changed, and the one end 31 and the other end 33 of the torsion spring 27 may be bent in accordance with the arrangement position. Further, the length of the one end 31 and the other end 33 of the torsion spring 27 can be freely set. This makes it possible to easily change the component layout.

The one end 31 and the other end 33 of the torsion spring 27 are branched into two or more branches, and the movement of the one end 31 and the other end 33 of the torsion spring 27 causes the switches 39 and 41 of the ignition unit 35 to move. Other devices such as pressing may be operated. In the above embodiment, a so-called cassette stove, in which a cylinder is set on a gas stove, has been described. However, the present invention is not limited to this, and can be applied to a type in which gas is drawn into the gas stove by a hose.

[0021]

As described above, according to the present invention, it is possible to flexibly cope with variation in the operation stroke of the operating member, and it is possible to completely prevent the occurrence of operation failure. In addition, the arrangement position of the valve can be freely changed, and the range of component layout selection can be widened.

[Brief description of the drawings]

FIG. 1 is a plan view of a gas stove according to an embodiment of the present invention.

FIG. 2 is a partially exploded perspective view of a gas stove according to an embodiment of the present invention.

FIG. 3 is a view showing the attitude of an operation knob and a driving arm in an initial state of an instrument plug of the gas stove according to the embodiment of the present invention.

FIG. 4 is a partial cross-sectional view of an instrument plug of the gas stove according to the embodiment of the present invention in an initial state.

FIG. 5 is a diagram showing the attitude of an operation knob and a drive arm when the gas stove according to the embodiment of the present invention is ignited.

FIG. 6 is a partial cross-sectional view of the gas stove according to the embodiment of the present invention when the appliance plug is ignited.

FIG. 7 is a view showing the attitude of the operation knob and the drive arm when the instrument plug of the gas stove according to the embodiment of the present invention is burning.

FIG. 8 is a partial cross-sectional view of the gas stove according to the embodiment of the present invention when the instrument plug is burning.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Gas stove 3 Instrument plug 5 Gas supply port 7 Burner 9 Main body 11 Governor 13 Solenoid valve 15 Valve release pin 17 Coil spring 19 Thermocouple 21 Sensor part 23 Operation shaft 25 Drive arm 27 Torsion spring 29 Support screw 31 One end 33 Other end 35 Ignition unit 36 Ignition element 37 Base plate 39, 41 Switch 42 Hole 43, 45 Pressing piece 47 Coil spring 49, 51 Swing cam 53 Mounting bracket 55 Hole 57, 59 Mounting screw 61 Operation knob 63 Valve spring

──────────────────────────────────────────────────の Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F24C 3/14 F24C 3/12 F24C 15/00 F23N 5/26

Claims (2)

(57) [Claims] 1. A valve for supplying and stopping gas to and from a burner, an ignition means for igniting gas emitted from the burner, and an operation member for opening the valve and operating to operate the ignition means And an operating member for opening a valve in conjunction with the operating member, wherein the torsion spring is used for the operating member. 2. A thermocouple according to claim 1, wherein an electromotive force is generated in a state where the gas discharged from the burner is burning, and the generation of the electromotive force is stopped when the combustion stops and the temperature falls below a predetermined temperature. An appliance plug for a gas stove, wherein the valve is configured by an electromagnetic valve that opens when the electromotive force of the thermocouple is generated and closes when the generation of the electromotive force stops.