JP2013135790A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To heat the interior of a cooking chamber efficiently by a heating body disposed on the lower side of the exterior of the cooking chamber, and to reduce thermal influence from the heating body to a rail provided adjacent to the lower side of the exterior of the cooking chamber.SOLUTION: A heating cooker includes a reflection plate 30 for surrounding the lower side and the side of a heat generating part 27 of a lower heating body 25b, and having an opening above the lower heating body 25b disposed on the lower side of the exterior of the cooking chamber 14 and heating the cooking chamber 14. With the reflection plate 30 formed closer to the inner side than right and left rails 17a and 17b, the reflection plate 30 reflects the heat generated by the lower heating body 25b toward the heating chamber 14 side to efficiently heat the cooking chamber 14 when the heating chamber is heated by the lower heating body disposed on the lower side of the exterior of the cooking chamber 14. The heat from the lower heating body 25b toward the right and left rails 17a and 17b disposed outside the right and left sides of the reflection plate 30 is reflected, thus reducing thermal influence on the right and left rails 17a and 17 b.

Description

  The present invention relates to a cooking device provided with a grill device, which is used in a kitchen of a general household.

  Conventionally, this type of cooking device has a heating body using Joule heat of a heating wire called a sheathed heater in a cooking chamber, and cooks the cooked food. A rail provided outside the cooking chamber There is a method for taking out and putting in a saucer on which a food stored in a cooking cabinet is placed by using sliding by (see, for example, Patent Document 1).

  FIG. 8 is a schematic view of a heating cooker described in Patent Document 1. A heating body 2 is provided in the cooking cabinet 1, and a rail 3 provided on the outside of the cooking cabinet 1 is fixed to a rail holding body 4 attached below the cooking cabinet 1. This eliminates the deterioration of slipperiness due to the inclusion of the cooked food, or the burning of the cooked food or the burning of oil smoke, and positioning for regulating the parallel or horizontal etc. of the pair of rails 3 The shape can be easily formed, and the tray can be smoothly put in and out. Further, the cooking cabinet 1 has a heat shielding case 5 over a part or all of the periphery thereof, and is configured to reduce the thermal influence on the rail.

JP 2006-329520 A

  However, in such a structure, the heating body provided in the cooking chamber becomes a hindrance, and there is a problem that it is impossible to clean by putting a hand all the way into the cooking chamber.

  For this reason, it is conceivable to arrange a heating element outside the cooking chamber. At that time, the rail provided outside the cooking chamber is heated from the heating element provided particularly below the cooking chamber, and the deformation and distortion of the rail are caused. In addition to the problem of thermal deterioration of the lubricant, etc., provided to improve the slidability and worsening the slidability of the rail, the heating from the heating body diverges around the heating body and cooking efficiently. There was a problem that the storage could not be heated.

  The present invention solves the above-mentioned conventional problem, and with a heating body arranged below the cooking chamber, the inside of the cooking chamber is efficiently heated, and further, the thermal influence on the rail provided near the outside of the cooking chamber is reduced. It aims at providing the heating cooker which can be reduced.

  In order to solve the conventional problem, the cooking device of the present invention includes a cooking chamber that is housed in the main body and cooks the food to be cooked, a door that covers an opening formed on the front surface of the cooking chamber, A tray that is housed in the cooking chamber, a left and right rail that is arranged on the left and right lower side of the cooking chamber and that opens and closes the door in a pull-out manner, and the cooking chamber that is provided below the cooking chamber. A heating body to be heated and a reflecting plate that opens above the heating body and surrounds the heating unit below and on the side of the heating body are provided, and the reflecting plate is formed inside the left and right rails. .

  As a result, when heated by a heating body arranged below the cooking chamber, the heating plate can be used to reflect the heat generated by the heating body to the cooking cabinet side, and to the rail arranged on the left and right outside of the reflection plate. Can reflect the heat from.

  Thereby, when it heats with the heating body distribute | arranged below the cooking chamber, a reflecting plate reflects the heat_generation | fever of a heating body to the cooking chamber side, can heat a cooking chamber efficiently, and can improve a heating performance. While being able to reflect, the heat from the heating body to the rail arranged on the left and right outer sides of the reflecting plate can be reflected to reduce the heat influence on the rail, and the durability of the rail can be improved.

Whole block diagram of heating cooker in Embodiment 1 of the present invention Grill device transverse sectional view in Embodiment 1 of the present invention Grill device longitudinal section in Embodiment 1 of the present invention Reflector plate unit perspective view of grill device in Embodiment 1 of the present invention Reflector unit configuration diagram of grill device in Embodiment 1 of the present invention The cooking chamber and reflector unit configuration diagram of the grill device in Embodiment 1 of the present invention The grill apparatus perspective view in Embodiment 1 of this invention Schematic of the conventional heating cooker described in Patent Document 1

  1st invention is the cooking chamber accommodated in the inside of a main body which cooks to-be-cooked food, the door which covers the opening formed in the front surface of the said cooking chamber, the saucer accommodated in the said cooking chamber, and the said cooking Left and right rails arranged on the left and right sides of the cabinet to open and close the tray and open and close the door in a pull-out manner, a heating body for heating the cooking chamber provided below the cooking chamber, and an opening above the heating body And a reflector that surrounds the heating unit below and on the sides of the heating element, and the reflector is formed inside the left and right rails.

  Thereby, when it heats with the heating body distribute | arranged below the cooking chamber, a reflecting plate reflects the heat_generation | fever of a heating body to the cooking chamber side, can heat a cooking chamber efficiently, and can improve a heating performance. While being able to reflect, the heat from the heating body to the rail arranged on the left and right outer sides of the reflecting plate can be reflected to reduce the heat influence on the rail, and the durability of the rail can be improved.

  In a second aspect of the invention, particularly in the first aspect of the invention, the upper opening of the reflector is configured to be larger than the reflector bottom below the heating body.

  As a result, when heated by a heating body disposed below the cooking chamber, the heating body that is directed to the side of the reflector is reflected to the bottom side of the upper cooking chamber, and the cooking chamber can be efficiently heated. The performance can be improved.

  In addition, a space is formed between the left and right outer sides of the reflector and the rails arranged on the left and right outer sides of the reflector, so that the influence of heat on the rail can be reduced and the durability of the rail can be improved.

  In a third aspect of the invention, in particular, in the first aspect of the invention, a heating body supporting portion for regulating the position of the heating body is provided on the side plate of the reflecting plate.

  As a result, the distance between the heating body and the upper cooking cabinet bottom and the distance between the heating body and the reflector can be fixed, variation in heating from the heating body to the cooking cabinet can be suppressed, and stable heating can be realized. The performance can be improved. In addition, it reflects the heat from the heating element to the rails arranged on the left and right outer sides of the reflector, can suppress the variation of the heat effect on the rail, can stably keep the temperature of the rail low, The durability of the rail can be improved.

  According to a fourth aspect of the invention, particularly in the first aspect of the invention, the upper opening of the reflector is formed inside the outer periphery of the tray.

  Thereby, a reflecting plate reflects the heat_generation | fever of a heating body toward a saucer, a saucer can be heated efficiently, and a heating performance can be improved. In addition, the heating effect of the heating element on the rails arranged on the left and right outer sides of the reflector is reduced by concentrating the heat generated by the heating element on the tray inside the cooking chamber, without heating the cooking cabinet bottom. The durability of the rail can be improved.

  According to a fifth aspect of the invention, in the first aspect of the invention, the upper opening of the reflector is formed on the inner side of the cooking cabinet bottom outer periphery.

  Thereby, the cooking chamber can be efficiently heated by concentrating the heat generated by the heating body inside the cooking cabinet bottom without wastefully heating other than the cooking cabinet bottom, and the heating performance can be improved. Moreover, the thermal influence from the heating body to the rail arranged on the left and right outer sides of the reflector can be reduced, and the durability of the rail can be improved. In addition, in order to prevent the moisture in the food from entering and adhering to the charging section below the cooking chamber and causing a short circuit, the outer periphery of the cooking chamber is bonded to ensure the sealing performance. The temperature effect can be reduced and safety can be improved.

  In a sixth aspect of the invention, particularly in the first aspect of the invention, the bottom surface of the cooking cabinet is made of crystallized glass.

  Here, the crystallized glass has excellent thermal properties such as a coefficient of thermal expansion of 4 × 10 −7 / ° C., a maximum use temperature of 750 ° C., and a thermal shock strength ΔT = 800 ° C., about 70% crystal phase and 30% glass phase. The transparent low-expansion crystallized glass composited with has an excellent transmittance of 80% or more from the visible light to the infrared region.

  As a result, even if the bottom of the cooking cabinet is exposed to a high temperature of about 400 ° C. with the reflected heat from the heating body and the heating body by the reflector, it can withstand high temperatures without cracking due to thermal expansion. In addition to the ability to transmit infrared light, the cooking chamber can be heated more efficiently and the heating performance can be improved.

  In a seventh aspect of the invention, particularly in the third aspect of the invention, the heating body on the heating body support provided on the reflector is fixed from above, and a gap between the heating body and the bottom surface of the cooking chamber is provided. A fixing plate formed so as to be closed is provided.

  As a result, the heating body can be sandwiched and fixed from above and below by the heating body support part and the fixing plate, and even when the product falls during transportation, the heating body can be prevented from vibrating and being damaged, Can be improved. In addition, the fixed plate can fill the gap between the top of the heating body and the bottom bottom of the cooking chamber, prevents heat dissipation from the heating body from escaping from the gap, reflects radiant heat, and more efficiently from the heating body to the cooking chamber. Heat can be applied and the heating performance can be improved, and the influence of heat from the heating body on the rail arranged on the left and right outside of the reflector can be reduced, and the durability of the rail can be improved. .

  According to an eighth aspect of the invention, in particular, in the first aspect of the invention, a shielding case formed so as to cover all or part of the left and right rails from the outside of the reflector plate to the outside of the cooking chamber is provided. Is.

  Thereby, the shielding case shields the heat radiation from the heating body arranged below the cooking chamber, the thermal influence on the rail can be further reduced, and the durability of the rail can be improved. In addition, the shielding case shields the cooling air from the fan that cools the inside of the main unit, so that the cooling air can reduce the cooling of the cooking chamber, and the cooking chamber can be heated more efficiently. Can be improved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiment. In addition, the description order of the embodiments may be different from the order of the invention described above.

(Embodiment 1)
1 is an overall configuration diagram of a heating cooker according to Embodiment 1 of the present invention, FIG. 2 is a cross-sectional view of the grill device according to Embodiment 1 of the present invention, and FIG. 3 is a longitudinal section of the grill device according to Embodiment 1 of the present invention. 4 is a perspective view of the reflector unit in which the reflector, the lower heating element, and the heater fixing plate of the grill device according to Embodiment 1 of the present invention are assembled, and FIG. 5 is a diagram of the grill device according to Embodiment 1 of the present invention. FIG. 6 is a diagram of a reflector plate unit comprising a reflector plate, a lower heating body, and a heater fixing plate, FIG. 6 is a diagram of a cooking unit and reflector unit of the grill device according to Embodiment 1 of the present invention, and FIG. 7 is an embodiment of the present invention. 1 is a perspective view of a grill device in FIG.

  As shown in the figure, the cooking device according to the present embodiment includes a main body outer shell 11 that constitutes the outer shell, a top plate 12 that is provided on the upper portion of the main body outer shell 11 and on which an object to be heated such as a pan is placed, and a top Heating control is performed on the heating coils 13a and 13b disposed below the plate 12, the grill cooking chamber 14 provided on the lower left side of the heating coils 13a and 13b in the outer shell 11, and the heating coils 13a and 13b and the grill cooking chamber. And a cooling fan 16 for supplying cooling air to the cooking chamber 14 side of the grill through the circuit board 15.

  Further, drawer rails 17a and 17b are provided at the lower left and right sides of the cooking chamber 14 of the grill, and the drawer rails 17a and 17b are fastened and fixed to the left and right of a rail fixing plate 18 provided below the cooking cabinet. The drawer rails 17a and 17b are composed of a fixed portion fastened to the rail fixing plate 18 and a movable portion that is movable back and forth with respect to the fixed portion. The door 20 with a handle is bound and attached to the connection fitting 19 by an attachment spring.

  In addition, the tray 21 accommodated in the cooking chamber 14 of the grill is hooked to the connection fitting 19 by the hook portion, and pulling the handle of the door 20 pulls out the movable portions of the drawer rails 17a and 17b, and the connection fitting. A tray 21 hooked by 19 is pulled out from the cooking chamber 14 of the grill.

  The grill cooking chamber 14 is composed of a grill case 22 in which side wall surfaces are integrally formed from the upper surface using a hollow steel plate and a cooking chamber bottom surface 23 formed of crystallized glass which is a high heat-resistant material. Adhesive 24 is applied to the left and right and back portions where the bottom surface 23 and the grill case 22 are in contact with each other. By this bonding, the grill case 22 and the cooking chamber bottom surface 23 are integrated, and the grill case 22 and the cooking chamber bottom surface 23 are connected. Sealing performance is ensured.

  Here, the crystallized glass has excellent thermal properties such as a coefficient of thermal expansion of 4 × 10 −7 / ° C., a maximum use temperature of 750 ° C., and a thermal shock strength ΔT = 800 ° C., about 70% crystal phase and 30% glass phase. The transparent low-expansion crystallized glass with a composite of has an excellent transmittance of 80% or more from the visible light to the infrared region.

  And the upper heating body 25a which heats the cooking chamber called the miraclon heater is provided in the upper part outside the cooking chamber 14, and a plurality of openings are provided on the upper surface of the cooking chamber, and the heat radiation from the upper heating body 25a is generated. It is transmitted directly to the tray 21. Also, below the cooking chamber bottom 23, a miraclon heater, which is a lower heating body 25b for heating the cooking cabinet, is disposed, and the inside of the cooking cabinet passes through the cooking cabinet bottom formed of crystallized glass with good infrared transmittance. The saucer is heated. Here, the miraclon heater is a heating element characterized by infrared radiation heating, which uses radiant heat, and a heat generating portion in which a spiral nichrome wire coil is placed in a crystallized glass tube 26 excellent in heat resistance. 27 and an electrical connection portion 29 held by an insulator 28. The electrical connection portion and the circuit board are connected by a lead wire and energized to generate heat.

  Further, a reflector 30 made of a molten aluminum plated steel plate is provided inside the left and right pull-out rails 17a and 17b so as to open above the lower heater 25b and surround the lower heating element and the side of the lower heater. The upper part of the side surface is formed so as to be close to the bottom surface of the cooking cabinet. The side plate of the reflector is provided with a U-shaped lower heating body support portion 31 that holds the insulator that is an electrical insulator of the Miraclon heater and regulates the position of the heating body, and cooks the lower heating body 25b. It is supported on the front and rear sides of the cabinet. For this reason, a gap is opened between the upper part of the Milaclon heater insulator held by the U-shaped lower heater support 31 and the lower bottom surface of the cooking cabinet. Therefore, the heater formed of a molten aluminum plated steel plate above the Miraclone heater insulator A fixing plate 32 is provided, and a miraclon heater insulator is vertically sandwiched and fixed between the U-shaped lower heating body support portion 31 formed on the reflection plate and the heater fixing plate. The shape of the heater fixing plate is formed so as to fill a gap between the upper side of the heater insulator and the lower surface of the bottom of the cooking cabinet.

  Here, the upper opening 33 of the reflecting plate is formed so as to be larger than the reflecting plate bottom 34 below the heating body, and the side surface is inclined so as to spread upward. Further, the upper opening 33 of the reflection plate is formed so as to be inside the outer periphery of the cooking chamber bottom surface 23. In this embodiment, the upper opening 33 of the reflection plate is approximately 40 mm inward from the outer periphery of the cooking chamber bottom surface 23. It is configured as follows. Furthermore, the upper opening 33 of the reflection plate is also formed so as to be inside the outer periphery of the tray in the cooking chamber. In this embodiment, the upper opening 33 of the reflection plate is about 20 mm from the outer periphery of the tray in the cooking chamber. It is configured to be inward. And the shielding formed with the hot dip galvanized steel plate inside the left-right drawer rails 17a and 17b from the lower side of the reflecting plate to the side, and further from the lower part of the cooking chamber bottom outside the upper opening 33 of the reflecting plate to the side of the cooking chamber. A case lower 35 is provided, and a shield case upper 36 that covers the cooking chamber and the upper heating body is provided above the upper heating body so as to be connected to the lower shielding case formed of a hot-dip galvanized steel sheet. It is set as the structure which encloses the outside of a cooking chamber, a reflecting plate, and an upper heating body on a shielding case.

  About the cooking-by-heating machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, the upper heating body 25a and the lower heating body 25b are connected to the circuit board 15 by the electrical connection portion 29 and the lead wire, and when the user performs an operation of heating the grill, the upper and lower heating bodies are changed by the control portion of the circuit board. Energization control is started. At the same time, the cooling fan 16 starts air blowing. This is because the components on the circuit board generate heat during energization control, and the temperature of the components rises. Therefore, air is cooled by a cooling fan so that the component temperature operates within the allowable range. The air blows through the rails and the outer shell of the main body so that the temperature tolerance of each part is satisfied. When energization of the upper and lower heating bodies is started, the spiral nichrome wire coil in the crystallized glass tube 26 of the miraclon heater generates heat, and infrared radiation heating is started. Heat radiation from the upper heating body 25a is directly transmitted to the tray 21 from a plurality of openings provided on the upper surface of the cooking cabinet. Also, the radiant heat from the lower heating body 25b is radiated in the normal direction of the Milaclon heater crystallized glass tube, and the radiated downward is reflected by the reflecting plate, polarized upward and applied to the cooking chamber bottom surface 23 of the grill. Opposite and radiated sideways hit the 45 ° inclined wall of the reflector, which is also polarized upwards. Furthermore, the radiant heat radiated to the gap between the Miraclon heater insulator and the bottom of the bottom of the cooking cabinet will not go to the bottom of the grill cooking chamber if it is as it is, but will not heat the cooking cabinet, Radiation heat is reflected by the heater fixing plate 32 provided so as to shield the gap between the upper part of the Miraclon heater insulator and the bottom surface of the cooking cabinet, and the bottom surface of the cooking cabinet is heated. This suppresses heat from being transmitted to the outside of the reflector where the rail is located.

  Here, the bottom surface of the cooking chamber is formed of transparent low expansion crystallized glass having a transmittance of 80% or more from visible light to the infrared region, and heat radiation from the Milaclon heater which is the lower heating body is transmitted. Then, the saucer placed on the upper part of the bottom of the cooking chamber is heated. Of course, the non-transmitted radiant heat is used to heat the bottom of the cooking chamber, heats the saucer by heat conduction, and is used to heat the entire cooking chamber.

  In addition, at this time, the heat of the reflector and the cooking chamber heated by the radiant heat can be prevented from being transmitted to the outside where the rail is located by the lower shielding case 35. Further, the cooling air from the cooling fan is shielded by the lower shielding case 35 and the shielding case upper 36 to prevent the cooking chamber from being cooled.

  As described above, in the present embodiment, the upper heating body is disposed above the cooking chamber, and the lower heating body is disposed below the bottom of the cooking chamber, and there is no heating body in the cooking chamber. Even if a hand is put in, there is nothing that blocks the hand, so when cleaning the inside of the cooking cabinet, it is easy to put in a hand and clean it, and it can be made highly cleanable.

  In addition, when cooking the lower surface of the food, the amount of heat from the lower heating body is not only transferred by heat conduction to the saucer through the bottom surface of the cooking chamber heated by the lower heating body, Since it is formed of crystallized glass, it is more permeable than that formed of a hollow steel plate or the like, and heat can be transferred from the lower heating body to the receiving tray by thermal radiation. That is, since the tray is heated not only by heat conduction but also by heat radiation, the efficiency of cooking is improved, and thus the heating performance can be improved.

  In addition, because the bottom of the cooking cabinet is made of crystallized glass, the small frictional resistance of the glass can reduce the noise that is generated when rubbing against a saucer made of a metal with good heat distribution. Can be improved.

  Furthermore, since the reflector is formed on the inner side of the left and right rails, the reflector can reflect the heat generated by the lower heating body to the cooking cabinet side, and can efficiently heat the cooking cabinet. Can be improved. And the heat from the lower heating body to the rail arranged on the left and right outer sides of the reflection plate is reflected, the heat influence on the rail can be reduced, and the durability of the rail can be improved.

  In addition, the upper opening of the reflector is made larger than the bottom of the reflector below the heating body, and the inclination is widened as it goes up. Reflecting on the bottom side, the cooking chamber can be efficiently heated, and the heating performance can be improved. In the present embodiment, the inclination is 45 degrees with respect to the bottom of the reflector, and the reflection to the side of the heating body is incident perpendicularly to the bottom of the cooking cabinet.

  Further, a space is formed between the left and right outer sides of the reflector and the rails arranged on the left and right outer sides of the reflector, so that the influence of heat on the rail can be further reduced and the durability of the rail can be improved.

  Furthermore, by providing the heating body support part for regulating the position of the lower heating body on the side plate of the reflector, the distance between the heating body and the upper cooking cabinet bottom and the distance between the heating body and the reflector can be fixed. It is possible to suppress the heating variation from the heating body, to realize stable heating, and to improve the heating performance. In addition, it reflects the heat from the heating element to the rails arranged on the left and right outer sides of the reflector, can suppress the variation of the heat effect on the rail, can stably keep the temperature of the rail low, The durability of the rail can be improved. In this example, the distance from the bottom surface of the reflector plate to the center of the lower heating body is 15 mm, the distance from the center of the lower heating body to the bottom of the cooking chamber is 10 mm, and the lower heating body is positioned close to the cooking chamber bottom side, The heating of the cooking chamber can be improved, and the heat influence on the lower outline can be reduced.

  Moreover, by forming the upper opening of the reflector on the inner side of the outer periphery of the saucer, the reflector can reflect the heat generated by the heating body to the saucer, thereby efficiently heating the saucer and improving the heating performance. . In addition, the heating effect of the heating element on the rails arranged on the left and right outer sides of the reflector is reduced by concentrating the heat generated by the heating element on the tray inside the cooking chamber, without heating the cooking cabinet bottom. The durability of the rail can be improved.

  Furthermore, the upper opening of the reflector is formed on the inner side from the outer periphery of the cooking cabinet, so that the heating part other than the cooking cabinet is not heated unnecessarily, and the heat generated by the heating body is concentrated inside the cooking cabinet bottom. The cooking chamber can be heated well and the heating performance can be improved. Moreover, the thermal influence from the heating body to the rail arranged on the left and right outer sides of the reflector can be reduced, and the durability of the rail can be improved. In addition, in order to prevent the moisture in the food from entering and adhering to the charging section below the cooking chamber and causing a short circuit, the outer periphery of the cooking chamber is bonded to ensure the sealing performance. The temperature effect can be reduced and safety can be improved.

  The heating body can be sandwiched and fixed from above and below by the heating body support part and the fixing plate, and even when the product falls during transportation, the heating body can be prevented from vibrating and being damaged, Can be improved. In addition, the fixed plate can fill the gap between the top of the heating body and the bottom bottom of the cooking chamber, prevents heat dissipation from the heating body from escaping from the gap, reflects radiant heat, and more efficiently from the heating body to the cooking chamber. Heat can be applied and the heating performance can be improved, and the influence of heat from the heating body on the rail arranged on the left and right outside of the reflector can be reduced, and the durability of the rail can be improved. .

  In addition, the shielding case shields the heat radiation from the heating element disposed below the cooking chamber, so that the heat effect on the rail can be further reduced, and the durability of the rail can be improved. In addition, the shielding case shields the cooling air from the fan that cools the inside of the main unit, the cooling air can reduce the cooling of the cooking chamber, and the cooking chamber can be heated more efficiently. Can be improved.

  As described above, the heating cooker according to the present invention can be applied to all devices provided with a grill device.

11 Body outline (main body)
12 Top plate 13a, 13b Heating coil 14 Cooker 15 Circuit board 16 Cooling fan 17a, 17b Rail (right and left rail)
18 Rail fixing plate 19 Connecting bracket 20 Door 21 Receptacle 22 Grill case 23 Cooking chamber bottom (Cooking chamber bottom)
24 Adhesive 25a Upper heating element 25b Lower heating element (heating element)
26 Crystallized Glass Tube 27 Heating Section 28 NG 29 Electrical Connection 30 Reflector 31 Lower Heating Body Supporting Section (Heating Body Supporting Section)
32 Heater fixing plate (fixing plate)
33 Upper opening 34 Reflector bottom 35 Under shielding case (shielding case)
36 On the shielding case

Claims (8)

A cooking chamber housed inside the main body for cooking the food to be cooked, a door that covers an opening formed on the front surface of the cooking chamber, a tray that is accommodated in the cooking chamber, and a left and right lower side of the cooking chamber. Left and right rails for taking in and out the tray and opening and closing the door in a pull-out manner, a heating body for heating the cooking chamber provided outside the cooking chamber, and heating of the heating body that opens above the heating body And a reflector surrounding the side and the side, and the reflector is formed inside the left and right rails. The cooking device according to claim 1, wherein the upper opening of the reflecting plate is configured to be larger than the reflecting plate bottom below the heating body. The heating cooker according to claim 1, wherein a heating body support that regulates a position of the heating body is provided on a side plate of the reflection plate. The cooking device according to claim 1, wherein an upper opening of the reflecting plate is formed inside the outer periphery of the tray. The cooking device according to claim 1, wherein the upper opening of the reflection plate is formed on the inner side of the outer periphery of the cooking cabinet bottom. The cooking device according to claim 1, wherein the bottom surface of the cooking chamber is made of crystallized glass. The fixing member formed so that the said heating body on the said heating body support part provided in the said reflecting plate may be fixed from upper direction, and the gap between the said heating body and a cooking chamber bottom face may be blocked | closed is provided. The cooking device described. The cooking device according to claim 1, wherein a shielding case formed so as to cover all or a part from the outside of the reflector plate to the outside of the cooking chamber is provided inside the left and right rails.

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