JPH0227331Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an operating device for gas stoves and other gas appliances.

(Prior art) Conventionally, a control valve unit for shutting off gas is fixed in the main body of the device, and a push button with one end supported by a shaft is exposed in a transparent window on the operation panel surface of the device main body. The outer end of an operating rod protruding outward from inside the control valve unit is always in contact with the back surface of the control valve unit, and when the push button is pressed, the control inside the control valve unit is controlled via the operating rod. A device in which the valve is opened is known, for example, from Japanese Utility Model Application Publication No. 60-91952.

(Problem to be solved by the invention) However, in the above method, the button case that pivotally supports one end of the push button is fixed to the control valve unit, so the control valve unit cannot be inserted into the device body. If there are variations in the assembly position, the degree to which the button case protrudes from the transparent window on the operation panel surface of the device body will change greatly, and the value as a product will be significantly impaired.

Therefore, it is conceivable to assemble the button case on the device main body side, but in this case, when the control unit is assembled, if the control valve unit is assembled close to the operation panel side, the button case cannot be operated by the operation button. When the rod is pressed, the safety gap formed between the operating rod and the control valve opening/closing valve rod disappears, and in some cases, the control valve may be constantly pressed open with the operating rod. There is a risk that it will happen.

(Means for Solving the Problems) The present invention provides an operating device for gas appliances that solves the above problems, and includes a control valve unit that shuts off the gas fixedly installed in the appliance body. A push button with one end pivoted is exposed in a transparent window provided in the operation panel of the device body, and the front end of an operation rod protruding outward from inside the control valve unit is attached to the back side of the push button. When the push button is pressed, the valve rod in the control valve unit is pressed through the operation rod, and the control valve linked thereto is pressed open. In an arrangement in which a rod and a valve rod are opposed to the operating rod with a gap between them, a button case that pivotally supports the push button is fixed to the operation panel, and the control valve is attached to the button case from its rear end. A protrusion is provided facing the front of the unit to restrict the position of the control valve unit relative to the button case.

(Function) In this case, the button case is fixed to the operation panel, and the button case and the push button attached thereto can be easily assembled to the operation panel in the correct posture, and the operation rod and the push button can be easily assembled. In the case where the operating lever is arranged opposite to the valve lever with a gap between the valve lever and the valve lever that interlocks with the valve, a control valve unit corresponding to the push button is provided in the button case, facing the front of the control unit from the rear thereof. Since the control valve unit is extremely close to the button case 9, the operating rod protruding from the control valve unit strongly hits the push button provided on the button case, causing the push button to This prevents the operating rod from moving toward the side that presses the valve rod, thereby allowing the control valve unit to be assembled while maintaining a safety distance between the operating rod and the valve rod. .

(Example) In the drawings, 1 is the instrument body, 2 is a control valve unit fixedly installed in the instrument body 1 to shut off gas, 3 is an operation panel provided on the front of the instrument body 1, and 4 is the operation panel. A push button is shown with one end pivotally supported in a transparent window 5 provided in the control valve unit 3, and the front end of an operating rod 6 protruding outward from inside the control valve unit 2 is attached to the back surface of the push button 4. When the push button 4 is pressed, the valve rod 7 in the control valve unit 2 is pressed through the operation rod 6, and the control valve 8 linked thereto is pressed open. did.

The configuration up to now is not particularly different from what is known in the past.

In the present invention, the operating lever 6 and the valve lever 7 are arranged to face each other with a distance L between them, and the button case 9 that pivotally supports the push button 4 is fixed to the operating panel 3. In addition, a protrusion 10 is provided on the button case 9 and faces the front surface of the control valve unit 2 from the rear end.
is provided, and the position of the control valve unit 2 with respect to the button case 9 is restricted by the protrusion 10. To explain this in more detail, the control valve unit 2 has an electromagnetic valve as the control valve 8. safety valve 8
a and a cutoff valve 8b on the downstream side thereof, a valve housing 2a provided with a flow rate adjustment valve 11 provided downstream of the cutoff valve 8b, and the operation rod 6 facing the front surface of the valve housing 2a. Operation mechanism section 2 that opens and closes the control valve 8
The electromagnetic safety valve 8a is disposed opposite to the rear end of the valve rod 7 with a portion protruding from the front surface of the valve housing 2a, and the cutoff valve 8b is a valve with a portion protruding from the front surface of the valve housing 2a. It was installed integrally on the rod 7.

The operating mechanism section 2b has its machine frame 13 fixed to the front surface of the valve housing 2a via a connecting member 12 so that the rear end of the operating rod 6 faces the front end of the valve rod 7 with a gap therebetween. .

The operating lever 6 provided on the operating mechanism section 2b includes an operating lever 6a for ignition operation and an operating lever 6b for extinguishing operation.

To explain this in detail, the operation rod 7a for ignition operation
is provided with a stepped portion 14, and the operating rod 6a is connected to a spring 1.
The device is equipped with an engaging cam 16 that engages with the stepped portion 15 when it is pressed from the starting end position A to the final end position B against the force of The operating rod 6a is supported by a shaft 22 provided on the shaft 13, and springs into contact with the side surface of the operating rod 6a by a spring 18.
is repelled by the spring 15 by the length of the long groove 16a of the engagement cam 16 and moved forward to be stopped at an intermediate position C.

Then, by pressing the operating rod 6a from the starting end position A to the ending position B, the switch 17 that intervenes in a forced hold circuit (not shown) that forcibly holds the electromagnetic safety valve 8a is closed, and the switch 17 is moved to the intermediate position C immediately before closing. By pushing open the shutoff valve 8b to the final position B, the electromagnetic safety valve 8a is pushed open and the ignition switch 19 is closed to ignite the burner 20.

Furthermore, after the ignition of the burner 20 is completed, the electromagnetic safety valve 8
As is conventionally known, the valve a is held open by the electromotive force of a thermocouple (not shown) facing the burner 20.

The operating rod 6b for fire extinguishing operation has a push piece 21 that presses the engagement cam 16 in the direction of disengaging the step portion 14.
When the operating rod 6b is pressed, the engaging cam 16 is moved to the stepped portion 1 as shown in FIG.
Move back from 4. Therefore, the operating rod 6a for ignition
is bounced by the spring 13 and returns to the starting position. The operating rod 6b is also provided with a stepped portion 14 corresponding to the operating rod 6a, and is supported by the machine frame 13 by the stepped portion 14. As shown in FIG. 2, the button case 9 is provided with two transparent windows 23, 23 for accommodating a pair of push buttons 4, 4 corresponding to both operating rods 6a, 6b. Pivot hole 2 provided at the top end
4, 24 with a shaft hole 2 provided at the upper end of the push button 4, 4
5, 25 and then insert the push buttons 4, 4 into the button case 9 using a split pin 28.
The control unit 2 is fixedly supported by a pipe 27 provided in the instrument main body 1, and the operating rods 6a and 6b at the front end thereof are in contact with the back surfaces of the push buttons 4 and 4, and the control unit 2 is supported by a spring 15. The machine frame 13 is installed so that a gap A exists between the stepped portion 14 and the machine frame 13, that is, the machine frame 13 is moved back a little. In this case, the push buttons 4, 4 are provided with transparent windows 23,
A stepped portion 26 that engages with the lower edge of 23 is provided. The protrusion 10 is provided so as to protrude rearward from the middle of the transparent windows 23, 23. The lower end of the button case 9 is engaged with the transparent window 23, and the upper end is fastened to the operation panel 2 with screws 28. In this case, the protrusion 10 faces the front of the control valve unit 2, and the necessary minimum distance between the control valve unit 2 and the push button 4 can be maintained. Therefore, the operating rod 6 provided on the control valve unit 2 is pushed back by the push button 4, and the rear end of the operating rod 6 does not come into contact with the valve rod 7, causing the inconvenience of constantly pressing it. When assembling the control valve unit 2 in this way, the front end of the stepped portion 14 of each operating rod 6a, 6b and the machine frame 1
3 so that there is always a gap A between them.

In the illustrated example, the control valve unit 2 is assembled to the instrument body 1 with a small gap 1 between the rear end of the protrusion 10 and the control valve unit 2, and the gap 1 is eliminated. In this case, it is assumed that there is a large variation due to the assembly, and the assembly is corrected.
Incidentally, the flow rate control valve 11 is as shown in FIG.
It consists of a taper valve that can ensure the minimum flow rate, and the taper valve has a pin 11a protruding from the cam groove 11.
b, and when the pin 11a is moved along the cam groove 11b by the operation lever 30, by adjusting the degree of fitting of the flow rate regulating valve 11 into the valve hole 29 provided in the valve housing 2a. , the flow rate can be adjusted.

(Effect of the invention) As described above, according to the invention, since the button case that pivotally supports the pushbutton is fixed to the operation panel, the pushbutton can be placed in the correct position with respect to the operation panel, thereby reducing the appearance. Moreover, since the button case is provided with a protrusion that faces the front of the control unit from the other end and regulates the position of the control unit with respect to the button case, it is easy to assemble the control unit into the main body of the device. This prevents the button case from coming too close to the button case, and as a result, the operating lever provided on the control valve unit is pushed strongly by the push button provided on the button case, and the gap between the operating lever and the valve lever is reduced. This has the effect of completely preventing the inconvenience of the control valve opening inadvertently.

[Brief explanation of the drawing]

In the drawings, Fig. 1 is a cut-away side view showing one example of implementing the present invention, Fig. 2 is a perspective view of the button case, Fig. 3 is an enlarged view of the operating mechanism, and Fig. 4 is a cut-away sectional view taken along the - line. FIGS. 5 to 7 are diagrams of its operating state. 1... Instrument body, 2... Control valve unit, 3...
...Operation panel, 4...Push button, 5...Transparent window, 6
...Operating rod, 7...Valve rod, 8...Control valve, 9...
Button case, 10...protrusion.

Claims (1)

[Scope of utility model registration request] A control valve unit for shutting off gas is fixed in the device body, and a push button with one end pivoted is exposed in a transparent window provided in the operation panel of the device body, and on the back side of the push button, The front end of an operating rod protruding outward from the inside of the control valve unit is brought into contact with the control valve unit, and when the push button is pressed, the valve rod inside the control valve unit is pressed through the operating rod. In a device that presses and opens a control valve that is linked to An operating device for a gas appliance, which is fixed to an operating panel and includes a button case provided with a protrusion that faces the front of the control valve unit from its rear end and restricts the position of the control valve unit with respect to the button case.