JPH085027A - Grill burner for gas cooking apparatus - Google Patents

Abstract

PURPOSE:To provide a grill burner for a gas cooking apparatus which has excellent red heat distribution and ignition, and durability. CONSTITUTION:The part of a ceramic plate support 19 is inserted between a grill burner and the upper part 7 of a grill case. An auxiliary burner hole 16 having a diameter of the different size from that of a main burner hole 15 is formed near the end of an ignition plug 13 and the negative electrode of an ignition plate 1. Thus, a ceramic plate 9 is not dropped by the support 19 inserted between the burners, and excellent combustion is maintained. Gas concentration can be increased by altering the size of the hole in the vicinity of its ignition, thereby obtaining the excellent ignition performance.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction of a grill burner for a domestic gas cooker.

[0002]

2. Description of the Related Art In a tabletop gas cooker for home use,
A structure in which a gas operation unit is provided on both sides of a grill unit is often used. The grill part has a top of a grill case using a surface-treated steel plate on which a grill burner is placed, and the grill burner is composed of a ceramic plate, a burner body made of sheet metal, and ceramic fibers for gas sealing. However, the grill part burns salty seafood in the grill with a high-temperature gas fire, so the corrosive environment is harsh. However, as described above, the ceramic plate of the grill burner is placed directly on the step portion on the grill case using the surface-treated steel plate, or the frame-shaped member using the stainless steel plate is attached on the step portion on the grill case. It was placed directly. Therefore, the stepped portion on the grill case using the surface-treated steel plate is corroded due to high temperature and salt damage and becomes tattered. As a result, the receiving portion of the ceramic plate is lost, and it cannot be used as a grill burner because it falls inside the grill cabinet. Or, it was a cause of poor combustion.

Further, since the size of the flame holes of the ceramic plate of the conventional grill burner is constant, a gas cooker having a direct ignition structure for directly igniting the grill burner using an ignition plug and an ignition plate is preferable. It was difficult to obtain good ignition for all gas groups while ensuring flammability. Especially for propane gas, a large amount of air is required to obtain good combustion, but this results in excessive air in terms of ignition performance, and conversely it was difficult to secure good ignition performance. .

Further, the grill burner is provided with a diffuser plate which is a separate component in order to improve the red heat distribution of combustion and to mount the gas sealing ceramic fiber, or a diffuser plate portion which is integrated with the gas mixing pipe outlet. However, since the ceramic fiber is not received well, the difference in the thermal expansion coefficient between the burner body made of sheet metal and the ceramic plate causes a positional shift of the ceramic fiber in the form of blocking the gas ejection port during combustion, resulting in red heat distribution. It could get worse. As a result, the uneven baking of the cooking was insufficient. As described above, the conventional technique has many problems.

A conventional example will be described below with reference to FIGS. 11 and 12. As shown in FIG.
There are at least one stove portion 1 and a grill exhaust port 2 on the top plate 3, and a gas operation portion 4 and a grill portion 5 are formed on the front surface of the appliance. The grill portion 5 is configured such that the grill burner 6 shown in FIG. 10 is placed on the grill burner mount 7 shown in FIG. As shown in FIG. 11, the grill burner 6 includes a burner body 8 made of sheet metal, a ceramic plate 9 having a large number of fixed flame holes, and a ceramic for gas sealing made of inorganic fibers whose shape is relatively easy to collapse. It is attached to the stepped portion of the grill burner mount 7 constituted by the fiber 10 so as to look through the ceramic plate surface, and is fixed by the screw 11. In the conventional example of FIG. 12, a frame-shaped burner receiver 12 made of a stainless material is further provided on the stepped portion of the grill burner mount 7 in the above-described configuration.

Further, as shown in FIG. 3, the spark plug 13
In the gas cooker having the direct ignition configuration in which the gas coming out from the flame hole 15 of the same size of the grill burner 6 is directly ignited by using the ignition plate 14 and the ignition plate 14, the ignition of all gas groups is ensured while ensuring the combustibility. It is difficult to obtain the certainty because the ignition gas concentration varies depending on the type of gas. Especially with propane gas, it was difficult to secure ignition performance while obtaining flammability.

Further, as shown in FIGS. 13 and 14,
The ceramic plate 9 is placed on the ceramic plate receiving step portion 17 of the burner body 8, and at the same time, the ceramic fiber 10 is mounted on the entire circumference between the burner body 8 and the ceramic plate 9.

[0008]

However, in the above-mentioned conventional configuration, since the grill portion 5 burns salty seafood in the grill with a high-temperature gas fire, its corrosive environment is harsh. The ceramic plate 9 of the grill burner 6 is directly mounted on the step 18 of the grill case 7 using the above-mentioned surface-treated steel plate, or the frame-shaped member 12 using the stainless steel plate is attached on the grill case. It was placed directly on the section 18. Therefore, the stepped portion 18 on the grill case using the surface-treated steel plate is corroded due to high temperature and salt damage and becomes tattered. As a result, the ceramic plate 9 is not received and cannot be used as a grill burner in the grill cabinet. Or, it was a cause of poor combustion.

As described above, there are many problems. Therefore, according to the present invention, the ceramic plate 9 is placed on the grill case 7 using the above-mentioned surface-treated steel plate, and even if the ceramic plate 9 is corroded and tattered, the ceramic plate 9 does not fall off. The first purpose is to provide a grill burner.

A second object is to ensure ignition of all gas groups of a gas cooker of a direct type ignition configuration which directly ignites gas emitted from the flame holes of the grill burner 6 by using the ignition plug 13 and the ignition plate 14. To provide the best products.

A third object is to make a burner body 8 and a ceramic plate 9 made of sheet metal during combustion as shown in FIG.
It is an object of the present invention to provide a grill burner for a gas cooker that prevents the ceramic fiber 10 that blocks the gas ejection port 25 from being displaced due to the difference in the coefficient of thermal expansion.

[0012]

In order to achieve the first object, the present invention has a structure in which a part of a ceramic plate receiver is sandwiched between a grill burner and a grill case.

In order to achieve the second object, according to the present invention, the flame hole of the ceramic plate has a diameter different from other main flame holes near the tip of the ignition plug of the grill ignition part and the negative electrode of the ignition plate. The auxiliary flame hole is provided.

In order to achieve the third object, according to the present invention, a cut-and-raised portion for supporting the gas ejection hole and the ceramic fiber is formed near the center of the diffusion plate provided at the gas outlet of the mixing tube of the burner head. It was done.

[0015]

Since the grill burner of the gas cooker according to the present invention has a structure in which a part of the ceramic plate receiver is sandwiched between the grill burner and the grill case, the exposed step of the grill case is exposed to high temperature and salt damage. Even if it is corroded and broken into pieces, the part of the ceramic plate receiver that is sandwiched is not directly exposed to the high temperature part, and corrosion due to salt of seafood does not occur, so the ceramic plate Therefore, the device can be used for a long period of time without causing defective combustion.

Further, since the flame hole of the ceramic plate constitutes an auxiliary flame hole different from the other main flame holes near the tip of the ignition plug of the grill ignition part and the negative electrode of the ignition plate, the amount of gas ejected only near the discharge part is increased. As a result, the gas concentration near the ignition portion can be changed, and good ignition of all gas groups can be obtained without impairing the combustibility.

In addition, a cut-and-raised portion for supporting the ceramic fiber also serving as a gas ejection hole is provided near the central portion of the diffusion plate provided at the gas outlet of the mixing tube of the burner head. Due to the difference in thermal expansion coefficient between the burner body and the ceramic plate, it is possible to prevent the displacement of the ceramic fiber in a shape that blocks the gas ejection port, and it is possible to maintain a good red heat distribution. Good.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A grill burner for a gas cooker according to an embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 6, the upper surface of the device is divided into two parts on the left and right.
It has an individual stove portion 1 and a grille exhaust port 2 on the top plate 3, and the gas operating portion 4 is gathered by converging it to one side of the front surface of the appliance, and the grill portion 5 is provided on the other front side. ing. The grill portion 5 is configured such that the grill burner 6 shown in FIG. 10 is placed on the grill burner mount 7 shown in FIG. The grill burner 6 includes a burner body 8 made of sheet metal as shown in FIG. 5, a ceramic plate 9 having a large number of constant flame holes as shown in FIG. 7, and an inorganic fiber having a relatively easy shape as shown in FIG. As shown in FIG. 1, the grill burner 6 which is composed of the produced ceramic fiber 10 for gas sealing inserts one end 20 of the ceramic plate receiver 19 into the local opening 21 of the grill burner mount 7. After that, step 18 on the grill case
After placing it on the grill burner mount 7, the grill burner 6 is placed on the grill burner mount 7 and the screws 11 are used to attach the grill burner mount 7.
It is configured to be fixed to. It should be noted that the ceramic plate receiver 19 is composed of one or more ceramic plates 9.

In order to ignite the grill burner 6, as shown in FIG.
The grill burner mount 7 shown in FIG. 2 is provided with a hole 22 to which the spark plug 13 for direct ignition and the ignition plate 14 shown in FIGS. 1 and 3 are mounted.
As shown in FIGS. 1 and 3, in the ceramic plate 9 of FIG. 1, a plurality of auxiliary flame holes 16 in the vicinity of the spark plug 13 and the negative electrode portion 14 of the ignition plate are different in flame size from the other main flame hole diameters 15. It constitutes the pore size.

Further, as shown in FIG. 5, a diffusion plate 23 having a gas ejection hole 25 which is integrated with the gas mixing pipe outlet for improving the red heat distribution of combustion in a part of the burner body 8 of the grill burner 6. In addition, the gas sealing ceramic fiber 10 includes a burner body 8 and a ceramic plate 9 made of sheet metal.
The cut-and-raised portion 24 is configured so as to prevent the gas ejection port 25 from being displaced due to the difference in the coefficient of thermal expansion and blocking the gas ejection port 25.

[0022]

As described above, in the grill burner of the first aspect of the gas cooker, the following effects can be obtained.

(1) Even if the stepped portion on the grill case on which the grill burner is mounted is broken due to high temperature corrosion and salt corrosion, the ceramic plate is dropped by the ceramic plate receiver sandwiched between the grill case and the grill burner. You can maintain good grill combustion without.

(2) The size of the ceramic plate receiver can be a simple straight line shape which is sandwiched between the joints of two ceramic plates, so that the cost is low.

In the grill burner of the gas cooker according to the second aspect, the following effects can be obtained.

(1) Only by changing the diameter of a part of the flame holes in the vicinity of the ignition portion, the influence of the combustibility of the entire grill burner is very small, and good combustibility can be secured.

(2) Especially for propane gas specifications,
By increasing the size of the flame holes near the ignition portion, the gas concentration can be increased and good ignition performance can be obtained.

In the grill burner of the gas cooker according to the third aspect, the following effects can be obtained.

(1) Since the cut-and-raised portion is provided in the diffusion plate having the gas ejection holes integrated with the gas mixing tube outlet, the ceramic fiber for gas sealing heats the burner body made of sheet metal and the ceramic plate. A grill burner having a good red heat distribution can be obtained in order to prevent the gas jet port from being displaced due to a difference in expansion coefficient and blocking the gas jet port.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part of a grill burner of a gas cooker according to an embodiment of the present invention.

FIG. 2 is an external perspective view of a ceramic plate receiver of a grill burner of a gas cooker according to an embodiment of the present invention.

FIG. 3 is an external perspective view of an essential part near the ignition part of the grill burner of the gas cooker according to the embodiment of the present invention.

FIG. 4 is a rear perspective view of the grill burner of the gas cooker according to the embodiment of the present invention.

FIG. 5 is an external perspective view of a burner head excluding a ceramic plate and a ceramic fiber of a grill burner of a gas cooker according to an embodiment of the present invention.

FIG. 6 is an external perspective view of a tabletop gas cooker according to an embodiment of the present invention.

FIG. 7 is a perspective view of the appearance of a ceramic plate of a grill burner of a conventional gas cooker.

FIG. 8 is a perspective view of a ceramic fiber appearance of a conventional grill burner of a gas cooker.

FIG. 9 is a perspective view of the appearance of the main part of the grill portion of the tabletop gas cooker.

FIG. 10 is a perspective view showing the outer appearance of the grill burner of the gas cooker.

FIG. 11 is a sectional view of an essential part of a conventional grill burner of a gas cooker.

FIG. 12 is a sectional view of a main part of a conventional grill burner of a gas cooker.

FIG. 13 is an external perspective view of a burner head excluding a ceramic plate and a ceramic fiber of a grill burner of a conventional gas cooker.

FIG. 14 is an external perspective view of a ceramic fiber of a grill burner and a gas ejection hole of a burner head of a conventional gas cooker.

[Explanation of symbols]

 6 Grill Burner 8 Burner Head 9 Ceramic Plate 10 Ceramic Fiber 15 Main Flame Hole 16 Auxiliary Flame Hole 19 Ceramic Plate Holder

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroshi Kawaguchi 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Katsumi Sasada, 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.

Claims (3)

[Claims] 1. A grill case having a stove portion and a grill exhaust port on the upper surface of the appliance, a gas operating portion on the front surface, and a grill portion, and a grill case on which a grill burner is mounted is provided at an upper portion of the grill, and the grill burner is a ceramic. A grill burner for a gas cooker, comprising a plate, a burner body made of sheet metal, and ceramic fibers for gas sealing, and sandwiching a part of the ceramic plate receiver between the grill burner and the grill case. 2. A stove part and a grill exhaust port on the upper surface of the appliance, a gas operating part on the front side, and a grill part, and a grill burner at the upper part of the grill, wherein the grill burner is a ceramic plate and a burner body made of sheet metal. And a ceramic fiber for gas sealing, the auxiliary flame hole of the ceramic plate forms a flame hole different from other main flame holes in the vicinity of the spark plug tip of the grill ignition part and the ignition plate negative electrode. Grill burner. 3. A stove portion and a grill exhaust port are provided on the upper surface of the appliance, a gas operation portion and a grill portion are provided on the front surface, and a grill burner is provided at an upper portion of the grill, and the grill burner is made of a ceramic plate and sheet metal. The burner head is composed of a ceramic fiber for gas sealing, the burner head has a gas diffusion plate at the gas outlet portion of the mixing tube, and a gas ejection hole and a cutting member for supporting the ceramic fiber are provided near the center of the diffusion plate. The grill burner of the gas cooker that constitutes the rising part.