Hot plates, heating conditioners

Abstract

To provide a highly durable hot plate.SOLUTION: A hot pate 6 includes a first inclined part 61 inclined downward toward the radial direction outer side, a second inclined part 62 provided on the furthermore radial direction outer side than the first inclined part 61, and inclined upward toward the radial direction outer side, and a trough provided between the first inclined part 61 and the second inclined part 62, and connected integrally to the first inclined part 61 and the second inclined part 62.SELECTED DRAWING: Figure 6

Description

[Technical Field]

[0001] The present invention relates to a hot plate for a cooking device, and also to a cooking device including the hot plate. [Background technology]

[0002] Conventionally, there is known a cooking device that includes a gas burner, a hot plate disposed above the gas burner, and a food placement member (e.g., a grill) disposed above the hot plate. The hot plate is heated by the gas burner and radiates radiant heat toward the food placement member, heating the food placement member and the food on the food placement member. The hot plates disclosed in Patent Documents 1 and 2 are both dome-shaped, sloping linearly or curved downward from the center radially outward. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2012-223272 [Patent Document 2] Japanese Patent Application Publication No. 8-35663 Summary of the Invention [Problem to be solved by the invention]

[0004] The hot plate expands when heated by the gas burner. Conversely, when heating by the gas burner is stopped, the hot plate contracts. Conventional hot plates are easily deformed by this repeated expansion and contraction, and can become unusable in a short period of time.

[0005] An object of the present invention is to provide a hot plate having high durability, and a cooking device including the hot plate. [Means for solving the problem]

[0006] The present invention provides the following aspects. (Item 1) A hot plate for a cooking appliance disposed above a gas burner, a first inclined portion inclined downward toward the radially outer side; a second inclined portion provided radially outward from the first inclined portion and inclined upward radially outward; a valley portion provided between the first inclined portion and the second inclined portion and integrally connected to the first inclined portion and the second inclined portion; A heating plate equipped with

[0007] The configuration according to item 1 can increase the rigidity of the hot plate. This can improve the durability of the hot plate against repeated deformation caused by heating and cooling. As a result, the service life of the hot plate can be extended.

[0008] (Item 2) The first inclined portion is a first portion covering the top of the gas burner and having no vent; a second portion provided radially outward from the first portion and having a plurality of first vent holes; Item 1. The hot plate according to item 1, comprising:

[0009] With the configuration according to item 2, the first part covers the top of the gas burner, preventing dirt such as oil and grease that falls from food from adhering to the top of the gas burner. Also, since the second part is provided with multiple first vents, the center of the food placing member can be heated by hot air that passes through the first vents, thereby raising the temperature of the center of the food placing member.

[0010] (Item 3) The plurality of first ventilation holes include a plurality of elongated holes extending along the inclination direction of the first inclined portion. The hot plate described in item 2.

[0011] The configuration according to item 3 can increase the total opening area, which makes it easier for the flame to come into contact with the air, thereby preventing incomplete combustion.

[0012] (Item 4) the second inclined portion has a plurality of second vent holes; The plurality of second ventilation ports include a plurality of elongated holes extending in the circumferential direction. 4. The hot plate according to any one of items 1 to 3.

[0013] The configuration according to item 4 allows the hot air passing through the second vent holes to heat the center of the food placement member, thereby raising the temperature of the center of the food placement member. Furthermore, the multiple second vent holes include multiple elongated holes extending in the circumferential direction, which increases the total opening area. This allows the flame to come into contact with the air more easily, preventing incomplete combustion.

[0014] (Item 5) the valley portion has a plurality of third ventilation holes; The third vent holes include a plurality of elongated holes extending in the circumferential direction. 5. The hot plate according to any one of items 1 to 4.

[0015] The configuration according to item 5 allows the hot air passing through the third vent to heat the center of the food placement member, thereby raising the temperature of the center of the food placement member. Furthermore, by including elongated holes extending in the circumferential direction in the multiple third vents, the total opening area can be increased. This allows the flame to come into contact with the air more easily, preventing incomplete combustion.

[0016] (Item 6) The valley portion is located radially outward from the top portion of the gas burner. Item 5. The hot plate according to item 5.

[0017] The configuration according to item 6 makes it possible to prevent dirt such as oil and grease from falling off food ingredients from adhering to the top of the gas burner even if the dirt falls through the third ventilation hole.

[0018] (Item 7) The valley portion has a rib protruding upward between adjacent third vent holes. Item 5 or 6. The hot plate according to item 5 or 6.

[0019] The configuration according to item 7 allows oil and grease and other dirt that has flowed from the first and second inclined portions to the valleys to be guided to the third vent. As a result, dirt is prevented from accumulating in the valleys. In addition, the valleys have ribs, which increases the rigidity of the hot plate and improves its durability.

[0020] (Item 8) a third inclined portion provided radially outward from the second inclined portion and inclined downward radially outward; a mountain portion provided between the second inclined portion and the third inclined portion and integrally connected to the second inclined portion and the third inclined portion; 8. The hot plate according to any one of items 1 to 7, further comprising:

[0021] The configuration according to item 8 can increase the rigidity of the hot plate and improve its durability.

[0022] (Item 9) the third inclined portion has a plurality of fourth vent holes; Item 8. The hot plate.

[0023] The configuration according to item 9 allows the hot air passing through the fourth vent to heat the outer periphery of the food placing member. Furthermore, the provision of the fourth vent increases the total opening area. This allows the flame to come into contact with the air more easily, preventing incomplete combustion.

[0024] (Item 10) A gas burner and A hot plate according to any one of items 1 to 9, arranged above the gas burner; A heating cooker comprising:

[0025] The configuration according to item 10 makes it possible to provide a cooking device equipped with a hot plate that is highly durable.

[0026] (Item 11) Further equipped with a burner cover, The burner cover is a cylindrical outer portion; a ring-shaped inner portion disposed inside the outer portion and having an opening at its center in which the gas burner can be disposed; a connecting portion connecting the outer portion and the lower surface and / or side surface of the inner portion; Item 11. The cooking device according to item 10, comprising:

[0027] With the configuration according to item 11, there are no connecting parts on the upper surface of the inner part, which makes it easier to clean the upper surface of the inner part. [Effects of the Invention]

[0028] According to the present invention, it is possible to provide a hot plate having high durability and a cooking device including the hot plate. [Brief explanation of the drawings]

[0029] [Figure 1] FIG. [Figure 2] 2 is a cross-sectional view of the cooking device after assembly taken along line II-II in FIG. 1. FIG. [Figure 3] FIG. [Figure 4] FIG. [Figure 5] FIG. [Figure 6] FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. 5. [Figure 7] FIG. 7 is a cross-sectional view taken along line VII-VII in FIG. 5. [Figure 8] FIG. 2 is a diagram showing the flow of hot air and radiant heat passing through each vent hole of the hot plate of the present invention, with arrows. [Figure 9] FIG. 1 is a diagram showing the flow of hot air and radiant heat passing through each vent hole of a conventional hot plate, with arrows. DETAILED DESCRIPTION OF THE INVENTION

[0030] The hot plate and the cooking device of the present invention will be described with reference to the drawings.

[0031] <1. Overview of the cooking appliance> Cooking device 100 is a cooking device for grilling and cooking ingredients, such as yakiniku. When in use, cooking device 100 is housed, for example, in a table with a housing. For ease of explanation, the up-down direction in FIG. 1 will be described as the up-down direction of cooking device 100. Furthermore, the direction perpendicular to the up-down direction will be described as the lateral direction of cooking device 100.

[0032] As shown in Figures 1 and 2, the cooking device 100 includes a casing 1, a filter 2, a drain pan 3, a gas burner 4, a burner cover 5, a heating plate 6, a food placing member 7, a top ring 8, and an ignition device (not shown).

[0033] As shown in Fig. 1, the casing 1 has a horizontally long shape. A filter 2 and a drain pan 3 are disposed within the casing 1. As shown in Fig. 2, a gas burner 4, a burner cover 5, a hot plate 6, and a food placement member 7 are disposed within the drain pan 3. The food placement member 7 is a member for placing food, such as a net or a grate. A top ring 8 is disposed above the casing 1 and the drain pan 3.

[0034] When the ignition device ignites the gas ejected from the gas burner 4, the flame and hot air from the gas burner 4 heat the hot plate 6 arranged above the gas burner 4. Then, the hot air and radiant heat from the hot plate 6 heat and cook the food on the food placement member 7 arranged above the hot plate 6.

[0035] Each component will be described in detail below.

[0036] <1-1. Casing and filter> 1 and 2, the casing 1 includes a bottom wall 11, side walls 12, a cover 13, a support member 14, and a burner receiver 15. The side walls 12 stand upright from the bottom wall 11.

[0037] A filter opening (not shown) is provided in the bottom wall 11. The filter opening is provided at a position laterally displaced from the drain pan 3, and a filter 2 is disposed above the filter opening. The filter 2 collects oils and fats contained in smoke generated when food is grilled. As shown in FIG. 1 , in this embodiment, the filter 2 is composed of three metal ring-shaped members stacked one on top of the other. The detailed structure of the filter 2 is disclosed in, for example, Japanese Patent Application Laid-Open No. 2011-153722, and therefore a detailed description of the structure of the filter 2 will be omitted in this specification.

[0038] A duct (not shown) communicating with the filter opening is connected to the lower part of the bottom wall 11. The duct is connected to an exhaust device (not shown) such as a blower. When the exhaust device is activated, smoke generated when the ingredients are grilled is sucked in through a second suction port 83a (see FIG. 2) of the top ring 8, which will be described later, passes through the filter 2, and is exhausted from the duct to the outside of the cooking appliance 100. In this way, the cooking appliance 100 of this embodiment is a so-called smokeless roaster.

[0039] 1, the cover 13 is attached to the upper part of the side wall 12. The cover 13 is provided with an opening 13a for inserting the drain pan 3 therein.

[0040] As shown in Fig. 1, the support member 14 is ring-shaped and is detachably attached to the periphery of the opening 13a. A step portion 14a is provided on the upper portion of the support member 14. As shown in Fig. 2, the top ring 8 is placed on the step portion 14a.

[0041] As shown in Fig. 2, the burner receiver 15 is disposed on the bottom wall 11 and below the drain pan 3. An opening is provided in the burner receiver 15. A portion of the gas burner 4 is inserted into the opening of the burner receiver 15.

[0042] <1-2. Drain pan> As shown in Figures 1 and 2, the drain pan 3 includes a bottom wall 31, an outer peripheral wall 32, and an inner peripheral wall 33. The bottom wall 31 is donut-shaped. The outer peripheral wall 32 rises from the outer peripheral edge of the bottom wall 31. The inner peripheral wall 33 rises from the inner peripheral edge of the bottom wall 31. As shown in Figure 2, the drain pan 3 is placed in the casing 1 so that a gap S exists between the outer surface of the outer peripheral wall 32 and the inner surface of the side wall 12 of the casing 1.

[0043] A step portion 32a is provided on the upper portion of the outer peripheral wall 32. The food placing member 7 is placed on the step portion 32a.

[0044] A space surrounded by an inner peripheral wall 33 is provided in the center of the drain pan 3. A gas burner 4 is disposed in this space.

[0045] When the cooking appliance 100 is in use, water is placed in the drain pan 3. This prevents the drain pan 3 from overheating and also prevents dirt from adhering directly to the drain pan 3.

[0046] <1-3. Gas burner> 1 and 2, the gas burner 4 includes a burner body 41 and a burner head 42. The burner head 42 is attached to the upper part of the burner body 41 in a detachable manner.

[0047] The burner body 41 includes a gas inlet 41a, an air inlet 41b, and a gas flow path 41c. The gas inlet 41a is provided in the center of the lower part of the burner body 41 and is connected to a gas supply source (not shown). The air inlet 41b is provided in the lower part of the burner body 41 at a position laterally displaced from the gas inlet 41a. The gas flow path 41c is provided inside the burner body 41 and communicates with the gas inlet 41a and the air inlet 41b. The gas flowing in from the gas inlet 41a and the air flowing in from the air inlet 41b are mixed in the gas flow path 41c and rise within the gas flow path 41c.

[0048] The burner head 42 includes a plurality of inner flame ports 42a and a plurality of outer flame ports 42b. The gas burner 4 is arranged so that the inner flame ports 42a and the outer flame ports 42b are located above an inner portion 52 of a burner cover 5 (described later), and the portion below the inner flame ports 42a and the outer flame ports 42b is located below the inner portion 52. The inner flame ports 42a and the outer flame ports 42b are connected to a gas flow path 41c, and gas and air are ejected from the inner flame ports 42a and the outer flame ports 42b. When the gas ejected from the inner flame ports 42a and the outer flame ports 42b is ignited by an ignition device, a flame is continuously formed from the inner flame ports 42a and the outer flame ports 42b.

[0049] <1-4. Burner cover> 2 and 3, the burner cover 5 includes an outer portion 51, an inner portion 52, and a connecting portion 53 that connects the outer portion 51 and the inner portion 52. The burner cover 5 is placed on the drain pan 3 so that the connecting portion 53 contacts the upper end of the inner peripheral wall 33 of the drain pan 3.

[0050] The outer portion 51 is made of a cylindrical member. The inner portion 52 has a smaller diameter than the outer portion 51 and is disposed within the outer portion 51. The inner portion 52 is made of a donut-shaped member with an opening 52a in the center, and has a horizontal portion and an inclined portion that slopes downward as it extends radially outward. The upper surface of the inner portion 52 is a smooth surface without any irregularities or protrusions. The gas burner 4 is disposed within the opening 52a. The horizontal portion of the inner portion 52 is disposed above a portion of the gas burner 4 so as to cover the gas burner 4. The horizontal portion of the inner portion 52 prevents dirt such as oil and grease dripping from the hot plate 6 from adhering to the gas burner 4.

[0051] The upper part of the connecting part 53 has a flat surface 53a, and the hot plate 6 is placed on this flat surface 53a. One end of the connecting part 53 is connected to the inner surface of the outer part 51 by, for example, welding. The other end of the connecting part 53 is connected to the lower surface (rear surface) of the inner part 52 by, for example, welding. The other end of the connecting part 53 is not present on the upper surface of the inner part 52.

[0052] <1-5. Hot plate> 4 to 6, the hot plate 6 includes a first inclined portion 61, a second inclined portion 62, a valley portion 63, a third inclined portion 64, a peak portion 65, and a downward extending portion 66. The hot plate 6 is placed on the connecting portion 53 of the burner cover 5 so that the lower end of the downward extending portion 66 contacts the flat surface 53a of the burner cover 5. The hot plate 6 is made by press-molding a metal material such as a steel plate.

[0053] The first inclined portion 61 is a conical portion extending diagonally downward from the center toward the outside in the radial direction. The first inclined portion 61 includes a first portion 611 and a second portion 612 located radially outward from the first portion 611. The first portion 611 does not have a vent hole and covers the top of the gas burner 4. The second portion 612 has a plurality of first vent holes 612a for passing hot air. The plurality of first vent holes 612a include a plurality of elongated holes extending along the inclination direction of the first inclined portion 61 and a plurality of circular holes. The plurality of elongated holes are spaced apart in the circumferential direction, and the circular holes are located between two elongated holes adjacent in the circumferential direction.

[0054] The second inclined portion 62 is located radially outward of the first inclined portion 61 and extends obliquely upward as it moves radially outward. The second inclined portion 62 has a plurality of second vent holes 62a for passing hot air. The plurality of second vent holes 62a are located circumferentially and spaced apart. Each second vent hole 62a is an elongated hole extending circumferentially.

[0055] The valley portion 63 is a portion between the first inclined portion 61 and the second inclined portion 62 and is integrally connected to the first inclined portion 61 and the second inclined portion 62. When the hot plate 6 is placed on the burner cover 5, the valley portion 63 is located radially outward of the top of the gas burner 4. The valley portion 63 has a plurality of third vent holes 63a for passing hot air. The plurality of third vent holes 63a are spaced apart in the circumferential direction. Each third vent hole 63a is an elongated hole extending in the circumferential direction. In addition, a rib 63b is provided in the valley portion 63 between adjacent third vent holes 63a. As shown in FIG. 7 , the rib 63b is a portion of the valley portion 63 processed into a mountain shape that is convex upward by press molding or the like.

[0056] The third inclined portion 64 is located radially outward of the second inclined portion 62 and extends obliquely downward as it moves radially outward. The third inclined portion 64 has a plurality of fourth vent holes 64a for passing hot air. The plurality of fourth vent holes 64a are located circumferentially spaced apart from one another. The plurality of fourth vent holes 64a include a plurality of elongated holes extending along the inclination direction of the third inclined portion 64 and a plurality of circular holes.

[0057] The peak portion 65 is a portion between the second inclined portion 62 and the third inclined portion 64, and is integrally connected to the second inclined portion 62 and the third inclined portion 64. The downward extension portion 66 extends downward from the third inclined portion 64.

[0058] <1-6. Top ring> 1 and 2, the top ring 8 is disposed above the drain pan 3 and the support member 14. The top ring 8 includes an upper wall 81, an outer peripheral wall 82, an inner peripheral wall 83, and a partition wall 84.

[0059] The upper wall 81 has a plurality of first suction ports 81a at a position close to the outer peripheral wall 82. The plurality of first suction ports 81a are provided spaced apart in the circumferential direction. The plurality of first suction ports 81a communicate with a gap S (see FIG. 2) between the outer peripheral wall 32 of the drain pan 3 and the side wall 12 of the casing 1. When the exhaust device is activated, outside air is sucked in through the plurality of first suction ports 81a.

[0060] The outer peripheral wall 82 extends downward from the outer end of the upper wall 81 and rests on the step portion 14 a of the support member 14 .

[0061] The inner peripheral wall 83 extends downward from the inner end of the upper wall 81 and is disposed inside the outer peripheral wall 32 of the drain pan 3. The inner peripheral wall 83 has a plurality of second suction ports 83a. The second suction ports 83a are spaced apart in the circumferential direction. The second suction ports 83a communicate with the gap S (see FIG. 2). When the exhaust device is activated, smoke generated when food is grilled is sucked in through the second suction ports 83a.

[0062] The partition wall 84 extends downward from a position inside the first suction port 81a of the upper wall 81, and partitions the space between the inner circumferential wall 83 and the support member 14. By providing the partition wall 84, the outside air sucked in through the first suction port 81a flows along the inner surface of the side wall 12 of the casing 1 and flows closer to the inner surface of the side wall 12 than the smoke sucked in through the second suction port 83a. This prevents the smoke sucked in through the second suction port 83a from coming into contact with the inner surface of the side wall 12. As a result, the adhesion of dirt to the inner surface of the side wall 12 can be prevented.

[0063] <1-7. Cooker operation> The operation of the cooking device 100 will be described mainly with reference to Figures 1 and 2. When the gas burner 4 is activated, the flame of the gas burner 4 heats the air, generating hot air. The hot plate 6 is heated by the flame and hot air from the gas burner 4. The food placement member 7 and the food on the food placement member 7 are heated by the radiant heat emitted from the hot plate 6 and the hot air that passes through the vents 61a, 62a, 63a, and 64a of the hot plate 6. Smoke generated from the food is sucked through the second suction port 83a and flows through the gap S to the filter 2. The filter 2 removes oils and grease contained in the smoke. The smoke is then exhausted to the outside of the cooking device 100 through a duct.

[0064] <2. Features> As shown in Fig. 6, the hot plate 6 has a shape with irregularities in cross section, which is composed of a first inclined portion 61, a second inclined portion 62 and a valley portion 63, so that the rigidity of the hot plate 6 can be increased. This can improve the durability of the hot plate 6 against the repeated deformation caused by heating and cooling. As a result, the service life of the hot plate 6 can be extended.

[0065] By further providing the hot plate 6 with the third inclined portion 64 and the peak portion 65, the rigidity of the hot plate 6 can be further increased, and the durability of the hot plate 6 can be further improved.

[0066] As shown in Figures 2 and 4, the first part 611 of the first inclined portion 61 does not have an air vent and covers the top of the gas burner 4, thereby preventing dirt from adhering to the top of the gas burner 4.

[0067] As shown in FIG. 4, the second portion 612 of the first inclined portion 61 has a plurality of first ventilation holes 612a, so that the temperature of the central portion of the food placing member 7 can be increased by the hot air rising through the plurality of first ventilation holes 612a.

[0068] By including a plurality of elongated holes in the plurality of first ventilation holes 612a, the total opening area can be increased, which makes it easier for the flame to come into contact with the air, thereby preventing incomplete combustion.

[0069] As shown in FIG. 9, the conventional hot plate 6' is gradually inclined downward from the center toward the radially outward direction. Therefore, hot air passing through the vent holes in the hot plate 6' tends to flow diagonally upward and outward, and not toward the center of the food placement member 7. As a result, the temperature of the outer periphery of the food placement member 7 tends to be high, while the temperature of the center of the food placement member 7 tends to be low. In contrast, the second inclined portion 62 of the hot plate 6 of the present invention is inclined diagonally upward toward the radially outward direction. Therefore, as shown in FIG. 8, a portion of the hot air passing through the multiple second vent holes 62a is directed toward the center of the food placement member 7. This increases the temperature of the center of the food placement member 7, making the temperature of the entire food placement member 7 more uniform.

[0070] 4, the second ventilation ports 62a include a plurality of elongated holes extending in the circumferential direction, thereby increasing the total opening area, which makes it easier for the flame to come into contact with the air, thereby preventing incomplete combustion.

[0071] 4, because the valley portion 63 has multiple third ventilation holes 63a, the hot air that rises through the multiple third ventilation holes 63a can raise the temperature in the center of the food placing member 7. This makes it possible to make the temperature of the entire food placing member 7 more uniform.

[0072] The third ventilation ports 63a each include a plurality of elongated holes extending in the circumferential direction, thereby increasing the total opening area, which allows the flame to come into contact with the air more easily, thereby preventing incomplete combustion.

[0073] As shown in FIG. 2, the valley portion 63 is located radially outward from the top of the gas burner 4, so that even if dirt such as oil and grease dripping from food ingredients falls through the third ventilation port 63a, the gas burner 4 will not become dirty.

[0074] As shown in FIG. 7 , the valley portion 63 has the mountain-shaped rib 63b, which guides oil and grease stains that flow along the first and second inclined portions 61 and 62 to the valley portion 63 to the third ventilation opening 63a. This prevents oil and grease stains from accumulating in the valley portion 63. As a result, the accumulated oil and grease can be prevented from burning and igniting the oil in the food, thereby suppressing the bonfire phenomenon. Furthermore, since the dirt does not accumulate in the valley portion 63, corrosion of the hot plate 6 due to scorching of the dirt can be prevented. The "bonfire phenomenon" refers to the phenomenon in which oil in food ignites when cooking a large amount of fatty food, causing intense flames to rise from the food and the food placement member 7. Furthermore, the valley portion 63 has the rib 63b, which increases the rigidity of the hot plate 6 and improves its durability.

[0075] 4, the third inclined portion 64 has multiple fourth ventilation holes 64a, so that the hot air that passes through the multiple fourth ventilation holes 64a can raise the temperature of the outer periphery of the food placing member 7. This makes it possible to make the temperature of the entire food placing member 7 more uniform.

[0076] By extending the service life of the hot plate 6, the running costs of the cooking device 100 equipped with the hot plate 6 can also be reduced.

[0077] The upper surface of the inner part 52 of the burner cover 5 is free from irregularities and protrusions, making it easy to clean the upper surface of the inner part 52. Furthermore, corrosion due to dirt can be suppressed, improving the durability of the burner cover 5.

[0078] <3. Modifications> The present invention is not limited to the above-described embodiment, and various modifications are possible without departing from the spirit of the present invention. Modifications of the present invention will be described below. The modifications described below can be combined as appropriate without departing from the spirit of the present invention.

[0079] (1) The connecting portion 53 may be connected to the side surface of the inner portion 52 instead of or in addition to the lower surface of the inner portion 52 .

[0080] (2) The first ventilation openings 612a may be formed solely from a plurality of elongated holes extending along the inclination direction of the first inclined portion 61.

[0081] (3) The second ventilation openings 62a may include ventilation openings having a shape other than a circumferentially extending elongated hole. For example, the second ventilation openings 62a may include a circular hole other than a circumferentially extending elongated hole.

[0082] (4) The third ventilation openings 63a may include ventilation openings having a shape other than a circumferentially extending elongated hole. For example, the third ventilation openings 63a may include a circular hole other than a circumferentially extending elongated hole.

[0083] (5) Cooking device 100 does not have to be a type that is housed in a table with a housing, but may be a type that is used by placing it on a table like a tabletop stove.

[0084] (6) The cooking device 100 is not limited to a smokeless roaster type, and may be a smoked roaster type. [Explanation of symbols]

[0085] 100 Cooker 4 Gas burner 5 Burner cover 51 Outer part 52 Inner part 52a opening 53 Connection 6 hot plate 61 First slope 611 First part 612 Second part 612a First Vent 62 Second slope 62a Second ventilation opening 63 Valley 63a Third ventilation opening 63b Rib 64 Fourth slope 64a Fourth Vent 65 Yamabe

Claims

1. A hot plate for a cooking appliance disposed above a gas burner, a first inclined portion inclined downward toward the radially outer side; a second inclined portion provided radially outward from the first inclined portion and inclined upward radially outward; a valley portion provided between the first inclined portion and the second inclined portion and integrally connected to the first inclined portion and the second inclined portion; A heating plate equipped with

2. The first inclined portion is a first portion covering the top of the gas burner and having no vent; a second portion provided radially outward from the first portion and having a plurality of first vent holes; The hot plate of claim 1 , comprising:

3. The plurality of first ventilation holes include a plurality of elongated holes extending along the inclination direction of the first inclined portion. The hot plate according to claim 2.

4. the second inclined portion has a plurality of second vent holes; The plurality of second ventilation ports include a plurality of elongated holes extending in the circumferential direction. A hot plate according to any one of claims 1 to 3.

5. the valley portion has a plurality of third ventilation holes; The third vent holes include a plurality of elongated holes extending in the circumferential direction. A hot plate according to any one of claims 1 to 4.

6. The valley portion is located radially outward from the top portion of the gas burner. The hot plate according to claim 5.

7. The valley portion has a rib protruding upward between adjacent third vent holes.

7. The hot plate according to claim 5 or 6.

8. a third inclined portion provided radially outward from the second inclined portion and inclined downward radially outward; a mountain portion provided between the second inclined portion and the third inclined portion and integrally connected to the second inclined portion and the third inclined portion; The hot plate of any one of claims 1 to 7, further comprising:

9. the third inclined portion has a plurality of fourth vent holes; The hot plate of claim 8.

10. A gas burner and a hot plate according to any one of claims 1 to 9, which is disposed above the gas burner; A heating cooker comprising:

11. Further equipped with a burner cover, The burner cover is a cylindrical outer portion; a ring-shaped inner portion disposed inside the outer portion and having an opening at its center in which the gas burner can be disposed; a connecting portion connecting the outer portion and the lower surface and / or side surface of the inner portion; The cooking device according to claim 10, comprising:

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