JPS61130734A - Gas hot-plate with safety device for half burning - Google Patents

Abstract

PURPOSE:To eliminate an impact to the part of the thermo-couple due to an ignition flame and permit to stabilize characteristic of electro-motive force by a method wherein a fixing surface of the thermo-couple of a gas burner covering both left and right sides is pushing out toward outer side, while to the upper side for this pushing out portion and to the outer- circumference of the outer flame holes of the gas burner, a covering protector for boiled over stocks is closely fixed. CONSTITUTION:At the lower side of the outer flame hole 1a of the gas burner, a flat stage differential 2a is formed to the burner body 2, and at the upper surface of the above mentioned 2a the inner-end 4b of the covering protector 4 for boiled over stocks is placed and closely fixed, besides the outer end 4c of the same is curbed downward forming a clearance 12 between the same and a receiving tray 5 for boiled over stock. Similarly, in the fixing surface of the themo-couple with burner body 2 of the gas burner, at the upper surface of the pushing- out portion, both left and right sides 2b, the inner-end 4b of the covering protector 4 for boiled over stocks is closely fixed. As to the shape of the pushing-out portion both left and right sides 2b, two different types are selected, the one type is the integrated one forming pushing-out portion both sides left and right 2b one unit, the other one is a split type forming two section, namely type is selective by the fixing methods of the thermo-couple 3. Further, as to the dimension of the pushing-out portion 2b, the gas burner side, it is necessary for the 2b to close with the receiving tray 5 as much as possible and caution is to be made that the covering protector 4 is not to contact with the receiving tray 5 for the stock.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a gas stove with a flame extinguishing safety device.

2. Description of the Related Art In a conventional gas stove with a shut-off safety device, as shown in FIG. There was only a soup saucer 6 installed, but no cover for boiling over. Alternatively, as shown in FIG. 6, a boiled-over cover ring 4 is placed between the outer periphery of the burner body 2C of the gas burner and the soup saucer 6.

However, the boiled-over covering ring 4 did not come into contact with the outer circumferential surface of the outer flame hole 12L of the gas burner. 3 in the diagram
is heated by the flame generated in the outer flame hole 1a and generates an electromotive force, which is applied to the gas supply safety valve (not shown) to open the valve, and conversely, the safety valve does not lose the electromotive force when the flame goes out. 6 is a pilot burner, 7 is a nozzle 8 is a stopper of a gas appliance, 9 is a main nozzle, 10 is a damper for adjusting the amount of air, and 11 is a beam that supports the burner body.

Problems to be Solved by the Invention When there is no cover ring for boiling over as shown in Fig. 5, the ignition flame from the pilot burner 6 passes under the juice pan 5 and ignites the gas coming out from the outer flame hole 1a, causing a thermoelectric There is no problem because it does not reach around the pair 3, but on the other hand, the boiling liquid falls from the gap 6a, and it is not possible to prevent the boiling liquid from flowing.

Furthermore, when the boiled-over cover ring 4 is placed as shown in FIG. The gas coming out from the outer flame hole 1a from 41 is ignited and reaches around the thermocouple 3. And at this time,
The ignition flame is located at the outer flame hole 11L of the gas burner where the thermocouple 3 is located.
The electromotive force characteristics of the thermocouple 3 deteriorate because the outer flame generated in the thermocouple 3 is lifted.

Means for Solving the Problems The configuration of the present invention is such that the left and right sides of the thermocouple mounting surface of the gas burner protrude toward the outer circumference, and the boiling boiling cover ring is brought into close contact with the upper surface of the protruding portion and the outer circumferential surface of the outer flame hole of the gas burner. This is what I did.

According to the present invention, by bringing the outer peripheral surface of the gas burner's outer flame hole and the upper surfaces of the left and right protruding portions of the thermocouple mounting surface into close contact with the boiled-over cover ring, the ignition flame is prevented from transmitting through the thermocouple mounting portion at all. , it becomes possible to stabilize the electromotive force characteristics of the thermocouple.

EXAMPLE Hereinafter, a gas stove with a shutoff safety device according to an example of the present invention will be described with reference to the drawings. Note that the same parts as in the conventional example shown in FIG. 6 and FIG.

As shown in FIG. 1, a flat part 22L is formed in the burner body 2 below the outer flame hole 1a of the gas burner, and the inner end 4b of the boiled-over cover ring 4 rests on the upper surface of this means part 2a and is tightly attached. , and the outer end 2c is bent downward to form the juice tray 6.
In addition, the inner end 4b of the boiled-over cover ring 4 is in close contact with the upper surface of the left and right slanted parts 2b of the mounting part of the thermocouple 3 of the burner body 2 of the gas burner, as described above. The shape of the left and right protruding parts 2b of the thermocouple 3 mounting part may be such that the left and right protruding parts are integrated to form the mounting hole 13 as shown in FIGS. 3 and 4. 14 can be selected depending on the method of fixing the thermocouple 3 by dividing the left and right side extending portions 2b.The dimensions of the gas burner side extending portions 2b should be set as close as possible to the juice pan 6.
In addition, it is necessary to prevent the boiled-over covering ring 4 and the soup saucer 5 from coming into contact with each other.

According to the embodiment described above, boiled boiled water passes through the cover ring 4 and falls into the soup saucer 6, but does not enter the inside of the gas stove.

Then, the ignition flame of the pilot burner 6 reaches the juice pan 5. The gas passing under the boiled-over covering ring 4, coming out from the gap 12, and jetting out from the outer flame hole 1a is ignited. Even if the ignition flame reaches the protruding part 2b, which is the mounting part of the thermocouple 3, it will not heat the thermocouple 3, and furthermore, it will not lift the outer flame generated in the outer flame hole 1a in this part. .

Effects of the Invention As described above, the gas stove with a shut-off safety device of the present invention has a structure in which the gas burner and the upper surface of the protruding part, which is the thermocouple attachment part of the gas burner, are brought into close contact with the overboiling cover ring. The effect of flame on the thermocouple section is eliminated, making it possible to stabilize the electromotive force characteristics and improving the overall quality of the safety stove.

[Brief explanation of drawings]

FIG. 1 is a vertical cross-sectional view of a main part of a gas stove according to an embodiment of the present invention, FIG. 2 is a plan view thereof, and FIG. FIG. 4 is a plan view showing an embodiment of the gas burner, and FIGS. 5 and 6 are sectional views of the conventional example. 1... Burner cap, 2... Burner body, 2b... Protruding part, 3... Thermocouple, 4... Boiling cover ring, 5...
...Soup saucer, 6...Ignition burner. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 3
Figure 4 Figure 5 Figure 6

Claims (1)

[Claims] a gas burner, a thermocouple provided near the outer flame hole of the gas burner, a safety valve that receives an electromotive force from the thermocouple and shuts off gas supply to the gas burner when the outer flame goes out, and a pilot burner; The left and right sides of the thermocouple mounting surface of the gas burner protrude toward the outer circumference, and the upper surface of the protruding portion and the outer circumferential surface of the burner outer flame hole are provided. A gas stove with a stand-off safety device that has a structure in which the boiling point cover ring is in close contact with the boiling point cover ring.