JPS62142913A - Gas burner - Google Patents

Abstract

PURPOSE:To make the flame and heated air contact the bottom face of a cooking utensil and enhance heating efficiency by arranging a gas discharge section on the upper face of a burner annularly and providing a special wall section which extends with a specified inclination on a section of this gas discharge section. CONSTITUTION:A main body 2 with a circular prism shape on its outside of a gas burner 1 forms an annular hole 3 in its upper inside and, further, forms a hole 4 with a circular cross section which communicates with the hole 3 and introduces a gas into the hole 3 from the lower section of the burner 1. The main body 2 is provided on its upper section with annularly arranged gas discharge holes 5a, 5b,...,5l with circular cross section which communicate with the hole 3 and reach the upper face of the main body 2. The wall sections 6a, 6b,...,6l and the axial lines of those discharge holes 5a, 5b,...,5l, when the gas burner 1 is seen in a plan view, extend with a certain inclination on the side of one direction of an imaginary circle 7 with reference to a straight line connecting the center 8 of an imaginary circle 7 passing through the upper ends of the discharge holes 5a, 5b,...,5l and the upper ends of discharge holes. Flame and heated air move from near the central section of the bottom face of a cooking utensil such as cookpot, etc. toward its peripheral section to contact it in the shape of a vortex.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a gas burner used in a gas range for heating cooking utensils such as pots.

[Conventional technology]

Conventionally, gas ranges for heating cooking utensils such as pots have a power consumption of 1 f.
[! ! Or it is equipped with multiple gas burners.

FIGS. 4 and 5 are diagrams showing an example of the conventional gas range mentioned above. This gas range consists of a main body 20 with a circular hole formed on the top surface of a rectangular box, a cast iron gas burner 21, and a saucer 22 with a hole formed on the bottom of nine dishes.
The gas burner 21 is located approximately in the center of the main body 20, and is composed of a trivet 23 having a plurality of supporting parts protruding from a ring-shaped plate member. It is composed of a base 28 with a gas introduction pipe provided on its lower side, and an umbrella 29 on which the head of the base 28080 is placed. The gas burner 21 has a cock 26 connected to the gas pipe 25 and a carburetor 27 that continuously mixes air into the gas. Burner 21
A mixed gas of gas and air is introduced into the head of the burner 21 at the center of the base 28 of the burner 21. A hole 30 is formed therein, and an inclined surface 60 is formed at the head thereof.

The umbrella portion 29 has an inclined surface 3 of the base portion 28 at the bottom of the inverted bowl-shaped member.
It has a structure in which a protrusion corresponding to 0 is provided. Umbrella part 2
9, radially wavy unevenness 32 is formed on the lower surface of this protrusion. Gas discharge opening 33 of gas burner 21
are formed by the gap between the unevenness 32 of the umbrella portion 29 and the inclined surface 31 of the base portion 28, and are therefore arranged radially above the side surface of the gas burner 21. The saucer 22 and the trivet 23 are
It is placed on the peripheral edge of the hole in the main body 20 and supported by the main body 20.

To heat the cooking utensil 24 such as a pot using this gas range, first place the cooking utensil 24 on the support part of the trivet 23,
It is supported above the gas burner 21. Next, cook 26
is opened, and the mixed gas mixed with air by the carburetor 27 is introduced through the hole 60 of the gas burner 21 and is radially discharged from the opening 33 to the outside of the gas burner 21.

The released gas is ignited by appropriate means, and the opening 33
Burned nearby. Burned gas flame 34 and flame 34
As shown in FIGS. 4 and 5, the air heated by Rise.

＠ etc. by touching and passing through the bottom of the cooking utensil 24,
When the flame 34 and the heated air contact and pass through the bottom surface of the cooking utensil 24, the bottom surface of the cooking utensil 24 is heated, and the cooking utensil 24, such as a pot, is heated by the Yotsuzu gas range.

[Problem that the invention seeks to solve]

By the way, in the conventional gas burner 21, the openings 33 are arranged radially on the upper side of the gas burner 21, so that the gas flame 34 and the heated air can flow into the gas burner as shown in FIG. It is emitted radially outward from the center of 21.

The flame 54 and heated air released in this way are directed by arrow a as shown in FIGS. 4 and 5.

a, . . . it rises in the direction indicated by the arrow, touches only the vicinity of the bottom edge of the cooking utensil 24 such as a pot, passes through, and immediately rises along the side surface of the cooking utensil 24 in the direction indicated by the arrow. Therefore, since the vicinity of the center of the bottom surface of the cooking utensil 24 does not come into contact with the flame 34 and the heated air, there is a drawback that the cooking utensil 24 is not heated efficiently.

This invention aims to realize a gas burner used in a gas range for heating cooking utensils such as pots, in which the emitted flame and the air heated by the flame efficiently heat the bottom of the cooking utensils. [Means for solving the problem] The present invention provides a gas burner used in a gas range for heating cooking utensils such as pots, which has a plurality of gas discharge parts on its upper surface. are arranged in an annular shape, and the above-mentioned discharge parts are arranged at least in part on the above-mentioned virtual circle with reference to the straight line passing through the center of the virtual circle passing through each discharge part and each discharge part when the gas burner is viewed from above. The above-mentioned problem is solved by forming the wall section h'q so that it has a wall section extending at a constant inclination in one direction.

〔Example〕

Embodiments of the present invention will be described below with reference to FIGS. 1 to 3.

1 and 2 are diagrams showing a gas burner which is a first embodiment of the present invention. In FIGS. 1 and 2, reference numeral 1 indicates a gas burner, and the gas burner 1
The main body 2 is constructed by providing a pipe section (not shown) for introducing gas into a main body 2 having a cylindrical outer shape.A ring-shaped hole 3 is formed inside the upper part of the main body 2, and a burner 1 is connected to the hole 3.
A hole 4 having a circular cross section is formed to introduce gas into the hole 3 from the lower part of the hole. The main body 2 has gas discharge holes 5a, 5b with a circular cross section in its upper part that communicate with the hole 3 and reach the top surface of the main body 2.
..., 51 (gas discharge parts) are arranged in an annular manner. These discharge holes 5a, 5b, ..., wall portions 6a, 6b of 51,
..., 61 and the axis indicate the discharge holes 5a, 5b when the gas burner 1 is viewed from above.

. . , extending with a constant inclination in one direction of the virtual circle 7 with reference to a straight line connecting the center 8 of the virtual circle 7 passing through the upper end of 51 and the upper end of each discharge hole. For example, as shown in FIG. 1, the wall portion 6a of the gas discharge hole 5a has the discharge holes 5a, 5b, . . . when the gas burner 1 is viewed from above.
・The center 8 of the virtual circle 7 passing through the upper end of 5Il and the discharge hole 5a
With the straight line 9 passing through the upper end of
It extends with a certain nod in direction. discharge hole 5b,
5c.

The wall portions 6b, 6c, . . . , 51 are also formed similarly to the wall portion 6a of the discharge hole 5a. placed in the gas range.

Using a gas range in which this gas burner 1 is used,
The method for heating cooking utensils such as a pot is the same as the method for heating using a gas range using a conventional gas burner. Here, the gas discharge holes 5a, 5 of the gas burner 1
The gas emitted from b, ..., 511 is emitted in the direction of arrows A, A, ... as shown in Figs. 1 and 2, so it is heated by the gas flame and the flame. The air is
Arrow A, A.

...The whole rises in a spiral shape around an imaginary circle that follows the direction. Therefore, the flame and heated air pass through the bottom of the cooking utensil, such as a pot, from near the center to the periphery while contacting it in a spiral manner, so that the flame and heat emitted from the conventional gas burner are reduced. The air can be in contact with the bottom surface of the cooking utensil for a long period of time compared to the time it takes for the air to radially contact and pass through the bottom surface of the cooking utensil. For the above reasons, cooking utensils such as pots can be efficiently heated using the gas burner 1 of this embodiment.

Next, FIG. 3 is a diagram showing a gas burner which is an embodiment of Wc2 of this invention. In FIG. 6, the gas burner 1 has a structure in which a disk-shaped top plate 11 is attached to the upper surface of a main body 2 having a cylindrical outer shape.

The top plate 3 is provided with a plurality of rectangular notches in the circumferential direction of the hole 30, with only one side remaining.

This notch is bent upwards of the gas burner 1 by a certain angle from one side where the rectangular notch is not made, and the hole in the top plate 5 excluding the notch is the gas discharge hole 1 of the gas burner 1.
a, 10b, . . . When the gas burner 1 is viewed from above, the cut portion is located at the gas discharge hole 10a.
, 10b, . . . are formed as walls 6a, 6b extending in the tangential direction of an imaginary circle passing through them. Here, the gas release hole 10a.

10b, . . . and the upwardly bent wall portion 6a.

6b, . . . constitute gas discharge portions 5a, 5b, . The gas burner 1 is arranged in the conventional gas range described above, similarly to the first embodiment or the conventional gas burner described above.

Using a gas range in which this gas burner 1 is used,
The method of heating cooking utensils such as a pot may be the same as the method of heating using a gas range using a gas burner in the first embodiment or the above-mentioned conventional gas burner.
gas discharge part 5a.

As shown in FIG. 3, the gas released from the gas burners 5b, . . . is guided by the walls 6a, 61:, . Part 5a,
Since the gas is emitted in the tangential direction of the imaginary circle passing through 5b, . The gas burner according to the present invention rises in a spiral shape.Therefore, the gas burner 1 according to the second embodiment can also obtain the same effect as the first embodiment. The present invention is not limited to the above embodiments, and any gas burner may be used as long as the flame of the emitted gas and the air heated by the flame are formed in a spiral shape as a whole.

〔Effect of the invention〕

According to this invention, the gas discharge parts that discharge the gas of the gas burner are arranged in an annular manner on the upper surface of the burner, and the gas discharge parts are arranged at least in part in a virtual shape that passes through each discharge part when the gas burner is viewed from above. Since it is configured to have a wall extending at a constant inclination in one direction on the virtual circle with reference to a straight line passing through the center of the circle and each emission part, it is possible to be guided by this wall. The flame of the emitted gas and the air heated by the flame are formed in such a manner that the entire spiral rises. Therefore, compared to the conventional gas burner described above, the flame and heated air are in contact with the bottom surface of the cooking utensil such as a pot for a long time, and the cooking utensil such as the pot is heated efficiently.

[Brief explanation of drawings]

Fig. 1 is a plan view of a cass burner shown as a first embodiment of this invention, Fig. 2 is a front view of the same main part in cross section, and Fig. 3 is shown as a second embodiment of this invention. FIG. 4 is a cross-sectional perspective view of the main parts of a gas burner. FIG. 4 is a diagram showing a gas range in which the conventional gas burner is used. FIG. 5 is a plan view of the same. 1...Gas bar f +, 5 a, 5
b,..., 51... gas discharge part, 6...
Wall portion, 7... Virtual circle, 8... Center of virtual circle, 9... Straight line, B... One direction of virtual circle. Applicant Audio Technica Town Co., Ltd. 1)
Hiroshi Tako Kobayashi Figure 1 Figure 2 Figure 4 2γ Figure 5

Claims (1)

[Claims] A gas burner used in a gas range for heating cooking utensils such as pots, in which a plurality of gas emitting parts for emitting gas are arranged in an annular shape on the upper surface, and at least a part of the gas emitting part is equipped with a gas burner. has a wall portion extending with a certain inclination in one direction of the virtual circle based on a straight line passing through the center of the virtual circle passing through each gas discharge section and each gas discharge section when viewed in plan. A gas burner characterized in that the gas emitted from each of the gas emitting portions is guided by the wall portion to form a spiral shape as a whole.