JP2000018524A - Cooking stove burner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the inflow of boiling-over drip or the like, falling onto a burner head, into an igniting function unit and eliminate the collection of the boiling over drip or the like in a guiding projection. SOLUTION: A cooking stove is provided with a chevron type or an arc type guiding projection D, inflated toward the central side of upper outside rim of an igniting function unit C provided on one part of the lower surface of a burner head B. According to this method, boiling-over drip or the like, falling onto the burner head B, is guided by the guiding projection D and is conducted to flow smoothly to both outsides whereby the boil over juice or the like will not be reserved on the guiding projection D and baked while the clogging of an igniting burner port 11 is eliminated whereby normal electric discharge through an igniting electrode and normal flame detection through a thermocouple can be effected.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stove burner used for a gas table stove and the like.

[0002]

2. Description of the Related Art Conventionally, a burner of this type is provided with a convex projection on the outer periphery of an end of an ignition function portion of a burner head (burner cap) to prevent clogging of an ignition flame hole due to boiling water or the like. There is a burner (for example, Japanese Patent Laid-Open No. 4-64)
807).

[0003]

However, the above-mentioned conventional burner is a convex protrusion having a shape along the outer periphery of the end of the ignition function portion of the burner head (an arc-shaped bulge outwardly of the burner). Because of this (see FIG. 4), boiled spills and the like dripped onto the burner head are blocked by the damping effect of the convex protrusions formed along the outer periphery, and are prevented from flowing into the ignition function part. However, there has been a problem in that the boiling water and the like often pass over the convex projections, and the boiling water and the like accumulate in the inner concave portion of the convex projections and become charred.

An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a cooker burner in which boiled-spilled juice and the like dropped on a burner head quickly flow outward on both sides and do not flow down. .

[0005]

According to a first aspect of the present invention, there is provided a stove burner in which a mixing chamber is formed at a distal end of a mixing tube, and a main flame port is formed at a lower surface of a peripheral edge. It has a large number of flame opening grooves, consisting of a burner head provided with an umbrella portion at the center upper part through a ventilation hole, and a part of the lower surface of the burner head with a flame hole for ignition and a counter electrode of an electrode for ignition. In the stove burner provided with an ignition function part having, a guide protrusion having a shape in which a liquid material such as boiling water flows outwardly on both sides at an upper outer edge of the ignition function part of the burner head. Make a summary.

According to a second aspect of the present invention, there is provided a stove burner according to the first aspect of the present invention, wherein the guide projection has a chevron or arc shape bulging toward the center of the burner. And

According to the first aspect of the present invention, there is provided a stove burner, which is provided with a guide protrusion provided on an upper outer edge of an ignition function section of a burner head, for cooking boiled juice or the like dripped onto the burner head. Since everything is guided outward on both sides and flows smoothly, boiled juice and the like do not flow into the ignition function part and flow into the ignition flame hole or adhere to the ignition electrode, the flame detection thermocouple or the like. As a result, boiled spilled juice and the like do not accumulate on the guide protrusions and are not scorched,
Not only prevention of clogging of the ignition flame hole due to boiling water or the like, but also normal discharge by the ignition electrode or normal flame detection by the thermocouple is reliably performed.

According to the second aspect of the present invention, which has the above-mentioned structure, the guide convex portion of the first aspect is formed into a mountain shape or an arc shape bulging toward the center of the burner. The boiled spilled juice or the like is guided by a mountain-shaped or arc-shaped guide surface, smoothly flows outward on both sides, does not flow down, and does not flow into the ignition function section. As a result, the operation and effect described in claim 1 can be reliably obtained.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION In order to further clarify the structure and operation of the present invention described above, an example of a preferred embodiment of the present invention will be described in detail with reference to the drawings. .

In the drawing, reference numeral A denotes a burner main body, and a support portion for integrally forming a mixing chamber 2 at the tip of a mixing tube 1 and forming a main flame port 3 on a top surface of the mixing chamber 2 with a burner head B to be described later. 4 and a support portion 5 for the burner head B at the center.

Reference numeral B denotes a burner head having a plurality of flame opening grooves 6 which form a main flame opening 3 with a support portion 4 of the burner main body A on the lower surface of the periphery, and a support portion 5 of the burner main body A at the center. A connection tube 8 is formed so as to be inserted into and supported by the device to form a central air port 7, and an umbrella portion 10 is integrally provided at an upper portion of the connection tube 8 through a vent 9 communicating with the center air port 7. In the figure, reference numeral 17 denotes a medium flame hole.

An ignition function section C having an ignition flame hole 11 and a counter electrode 12 for an ignition electrode is provided on a part of the lower surface of the peripheral edge of the burner head B. In addition, an ignition electrode (not shown) is attached to a part of the mixing chamber 2 of the burner main body A at a predetermined interval from the counter electrode 12 of the ignition function section C. A thermocouple 13 for detecting a flame is attached to the function part C in front of the flame 11 for ignition.

In the above configuration, the burner head B is placed on the mixing section 2 of the burner main body A, the flame opening groove 6 on the burner head B side is mounted on the support section 4 on the burner main body A side, and the support section 5 on the burner main body side is mounted. When the connecting cylinder 8 on the side of the burner head B is inserted and placed on the main body, a large number of main flame ports 3 are formed on the periphery by the support portion 4 and the flame port groove 6, and the counter electrode 1 of the ignition function section C is formed.
2, an ignition electrode is provided opposite thereto, and a hot junction of a flame detection thermocouple 13 is set in front of the ignition flame hole 11 (see FIG. 1).

D is a guide projection, and the burner head B
Is provided at the upper outer edge of the ignition function portion C, and has a shape in which a liquid material such as boiled juice flows quickly outward on both sides. For example, the guide protrusion D shown in FIGS. 3 and 6 has a mountain-shaped protrusion 14 bulging toward the center of the burner.
The guide projection D shown in FIGS. 4 and 7 is an arc-shaped projection 15 bulging toward the center of the burner.
Further, the guide projection D shown in FIGS. 5 and 8 is formed by a projection 16 having an arc-shaped guide surface 16a bulging toward the center of the burner.

In the above configuration, the liquid material such as boiled juice dripped on the burner head B is guided by the guide projections D to both sides outward and flows smoothly (arrows in FIGS. 3 to 5). Spilled soup does not accumulate in the guide projections and is not scorched. In addition, it flows into the ignition function section C and flows into the ignition flame hole 11, or the ignition electrode,
It does not adhere to the flame detection thermocouple 13.

Although an example of the embodiment of the stove burner of the present invention has been described above, the present invention is not limited to such an embodiment at all, and may be variously modified without departing from the gist of the present invention. Of course, it can be implemented. For example, in the embodiment, the shape of the guide surface of the guide convex portion is a mountain shape or an arc shape bulging toward the center of the burner, but other shapes in which a liquid material such as boiled juice flows quickly outward on both sides. It may be.

[0017]

The stove burner according to the present invention is embodied in the form described above, and has the following effects.

According to the stove burner of the first aspect of the present invention, a guide projection having a shape in which a liquid material such as boiling water flows outwardly on both sides is provided on the upper outer edge of the ignition function portion of the burner head. Since it is provided, all the liquid material such as boiled juice dropped onto the burner head is guided outward on both sides and flows down smoothly, so that the boiled juice etc. does not accumulate on the convex part for the guide and is not scorched, You can always keep it clean. Also, since the liquid material such as boiled-spilled juice does not flow into the ignition function part and the ignition flame hole is clogged and does not adhere to the ignition electrode and the flame detection thermocouple, the normal operation by the ignition electrode is prevented. Normal flame detection by a discharge or thermocouple is always ensured.

According to the stove burner according to the second aspect of the present invention, since the shape of the guide projection is a chevron or an arc bulging toward the center of the burner, the spilled soup dripped onto the burner head. The liquid material flows smoothly outward on both sides, and the structure is extremely simple, so that the cost is low.

[Brief description of the drawings]

FIG. 1 is an overall sectional view showing an example of a stove burner according to the present invention.

FIG. 2 is an elevation view of only a burner head.

FIG. 3 is a plan view of only a burner head provided with a chevron-shaped guide protrusion.

FIG. 4 is a plan view of only a burner head provided with an arc-shaped guide protrusion.

FIG. 5 is a plan view of only a burner head provided with a guide projection having an arc-shaped guide surface.

FIG. 6 is a sectional view taken along line XX of FIG. 3;

FIG. 7 is a sectional view taken along the line YY of FIG. 4;

FIG. 8 is a sectional view taken along the line ZZ in FIG. 5;

[Explanation of symbols]

 A: Burner main body B: Burner head C: Ignition function part D: Guide ridge 1 ... Mixing tube 2 ... Mixing chamber 3 ... Main flame port 6 ... Flame groove 9 ... Vent port 10 ... Head part 11 ... Ignition flame Mouth 12: Counter electrode

Claims (2)

[Claims] 1. A burner body having a mixing chamber formed at a tip end of a mixing tube, and a plurality of flame slots forming a main flame port on a lower surface of a peripheral edge. A burner head provided with an ignition function part having a flame hole for ignition and a counter electrode of an ignition electrode on a part of the lower surface of the burner head. A combo burner comprising a guide projection having a shape in which a liquid material such as boiling water flows outwardly on both sides at an upper outer edge. 2. A stove burner according to claim 1, wherein said guide projection has a chevron or arc shape bulging toward the center of the burner.