JP2008125700A - Cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cooker capable of conducting thermolysis of oil and fat stains deposited on the inner face of a case. <P>SOLUTION: The cooker is capable of conducting thermolysis of oil and fat stains by raising the temperature of a bottom face of the case 21 by bringing a vertically movable lower heater 25 close to the bottom face of the case 21 on which much oils and fats are deposited at the time of preparatory heating. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a heating cooker that bakes food stored in a cabinet.

  Conventionally, this type of cooking device has been provided with a heater in the heating chamber, and the cooked food is cooked by radiant heat of the heater or hot air circulating through the heating chamber. The inner wall surface of the heating chamber has a self-cleaning enamel finish, and moisture and fats and oils from the cooked food adhere to the heating chamber wall surface as cooking progresses, but decomposes and falls off due to high temperatures (for example, Patent Document 1). reference).

FIG. 7 shows a conventional cooking device described in Patent Document 1. As shown in FIG. As shown in FIG. 7, the food 19 is cooked by hot air generated by the heater 3 and the fan 16. As the cooking progresses, water and fat content from the food adheres to the surface of the heater mounting plate 4, but since it has a self-cleaning enamel finish, it decomposes and falls off due to high temperatures.
Japanese Patent No. 1416119

  However, in the conventional configuration, the inner surface of the housing is covered with a self-cleaning enamel, and sometimes it is baked, so that oil stains accumulated on the upper surface and side surfaces of the housing can be decomposed. A large amount of oil is deposited and cannot be decomposed. In order to accelerate the thermal decomposition, the inside of the casing may be heated to 300 ° C. or higher during baking, but due to the casing structure, the temperature inside the casing cannot be increased to 300 ° C. or higher. If it tried to raise above, it had the subject that safety measures, such as the heat insulation of the circumference | surroundings of a housing | casing, the heat insulation of a front door, and the lock | rock of the door at the time of empty baking, were needed. Further, when the conventional cooking device is integrated into the IH stove, the effective volume of the housing becomes very small due to safety and heat insulation structure.

  An object of the cooking device of the present invention is to provide a cooking device capable of thermally decomposing fat and oil stains accumulated on the inner surface of the casing by an empty baking operation at the same heat insulation structure and casing temperature as in the past.

  In order to solve the above-described conventional problems, a heating cooker according to the present invention includes a grill to place an object to be cooked, a saucer to store the grill, the grill, the saucer, and the object to be cooked. A housing for housing, an upper heater for heating the object to be cooked from above, and a lower heater for heating the object to be cooked from below are provided, and the lower heater is movable up and down.

  The cooking device of the present invention can provide a cooking device capable of thermally decomposing oily and dirt accumulated on the inner surface of the casing.

  1st invention is a grille net which puts a cooking thing, a saucer which stores the grilling net, a case which stores the grilling net, the saucer, and the cooking object, and the cooking object upwards An upper heater that heats the object to be cooked from below and a lower heater that heats the object to be cooked from below are provided so that the lower heater can be moved up and down. Thus, it is possible to provide a heating cooker capable of increasing the temperature of the bottom surface of the casing and thermally decomposing oily and dirt.

  According to a second aspect of the invention, the lower heater is fixed to a substantially U-shaped fixing bracket, and the fixing bracket is provided on the left and right sides of the fixing bracket by urging the substantially central portion with a spring and pressing it against the back wall surface of the housing. By connecting the pin provided on the side surface of the housing to the slide groove and moving up and down, and fixing the lower heater by fitting the pin in the recess provided at the upper end of the slide groove, The lower heater can be placed close to the bottom of the chassis where there is a particularly large amount of oil and fat to raise the temperature of the bottom of the chassis and heat and oil stains can be decomposed, and the fixing bracket can be moved upward along the side of the chassis. A cooking device that can easily return the lower heater to its original position can be provided.

  According to a third aspect of the present invention, there is provided a grill net for placing the food to be cooked, a saucer for housing the grill net, a casing for housing the grill net, the saucer and the food to be cooked, and the food to be cooked upward. An upper heater that heats the object to be cooked from below, and a lower heater that heats the object to be cooked from below, the lower heater is movable up and down with a root portion as a fulcrum, and is fixed to the left and right wall surfaces of the casing. By using the structure with the heat sink that heats and decomposes oily dirt by raising the temperature of the bottom surface of the housing by bringing the bottom heater close to the bottom surface of the housing with the root portion of the lower heater as a fulcrum during baking A cooker can be provided.

  According to a fourth aspect of the present invention, the base of the lower heater is urged by a spring and pressed against the side wall of the housing, and the left and right sides of the lower heater are combined with a fixing bracket provided on the side wall of the housing. The operation of the combination of the lower heater and the fixing bracket and the release of the combination are facilitated.

  According to a fifth aspect of the present invention, a heat is applied to the lower heater by placing a cover on the lower heater while the front end of the lower heater is moved to the lower surface of the housing, and performing an empty baking operation, so that the heat of the lower heater is increased upward. It is possible to provide a heating cooker that can heat the lower surface of the housing and thermally decompose oil and fat without being diffused.

  A sixth aspect of the present invention is a grill that places a cooking object, a saucer that accommodates the grill, a casing that accommodates the grill, the saucer, and the cooking object, and the cooking object upward. An upper heater that heats the object to be cooked and a lower heater that heats the object to be cooked from below, and a sheet heating element is provided on the outer surface of the casing, thereby energizing the sheet heating element and emptying it. When baking is performed, the temperature of each surface of the casing rises, and the oil stains can be decomposed by heating.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a cross-sectional view of the heating cooker according to the first embodiment of the present invention, and FIG. 2 is a perspective view of the heating cooker according to the first embodiment of the present invention.

  1-2, 21 is a housing | casing of a heating cooker. A door 22 is provided on the front surface of the housing 21, and a handle 23 is attached to the door 22. An upper heater 24, a lower heater 25, and a saucer 26 are installed in the casing 21, and a grill net 27 on which food is placed is placed on the saucer 26. The lower heater 25 is fixed to a substantially U-shaped solid metal fitting 28 and attached to the housing 21. The fixing bracket 28 has several vertical slide grooves 29. Pins 30 provided on the casing 21 are fitted into the sliding grooves 29, and the fixing bracket 28 is fixed to the casing 21. There is a key-shaped recess 29a at the lower end of the slide groove 29 provided in the left and right arm portions of the fixing bracket 28. By fitting the pin 30 into the recess 29a, the lower heater 25 is fixed at a proper position. When the system of the recess 29a is released, the lower heater 25 can be brought close to the lower surface of the casing 21.

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

  To clean the oil stain in the housing 1, the pin 30 and the recess 29 a are released with the tray 26 and the grill 27 removed, and the lower heater 25 is brought close to the lower surface of the housing 1. Then, the upper heater 24 and the lower heater 25 are energized. Since the upper surface and the side surface in the casing are easily cleaned by being exposed to high temperature at the end of cooking, the accumulation of fats and oils is small, and the fats and oils remaining after baking are decomposed. In particular, the bottom surface of the casing 21 where oil and fat is accumulated can bring the lower heater 25 close to the bottom surface of the casing 21 to increase the temperature of the bottom surface of the casing 21 so that the oil and fat stains can be thermally decomposed.

  Another embodiment of the present invention will be described with reference to FIGS. The base portion 25 a of the lower heater 25 is attached to the rear wall surface 33 of the housing 1 by being urged by a fixed shaft 31 and a coil spring 32 attached to the fixed shaft 31. Lower heater fixing brackets 35 are installed on the left and right inner wall surfaces 34 of the casing 21. A part of the lower heater 25 is combined with the recess of the front end portion 35a of the lower heater fixing bracket 35, and the lower heater 25 is fixed.

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

  In order to clean the oil stains in the casing 21, when the lower heater 25 is pulled forward with the tray 26 and the grill net 27 removed, the lower heater 25 and the recess of the tip 35a of the lower heater fixing bracket 35 are removed. The lower heater 25 rotates with the root portion 25 a as a fulcrum, the tip of the lower heater 25 hits the lower surface of the housing 21, and the entire lower heater 25 comes close to the lower surface of the housing 21. In this state, the upper heater 24 and the lower heater 25 are energized. Since the upper surface and the side surface in the casing 21 are easily cleaned by being exposed to a high temperature at the end of cooking, the accumulation of oil and fat is small, and the oil and fat remaining after baking is decomposed. In particular, the bottom surface of the casing 21 where oil and fat is accumulated can bring the lower heater 25 close to the bottom surface of the casing 21 to increase the temperature of the bottom surface of the casing 21 so that the oil and fat stains can be thermally decomposed. As shown in FIG. 5, when the cleaning is performed, the cover 36 is placed on the lower heater 25, the lower heater 25 is energized, and an empty baking operation is performed. By heating the inner bottom surface, the oil and fat stains can be thermally decomposed.

(Embodiment 2)
A second embodiment of the present invention will be described with reference to FIG. 21 is a housing of the heating cooker. A door 22 is provided on the front surface of the housing 21, and a handle 23 is attached to the door 22. An upper heater 24, a lower heater 25, and a saucer 26 are installed in the casing 21, and a grill net 27 on which food is placed is placed on the saucer 26. A planar heating element 37 is installed on the outer surface of the housing 21.

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

  In order to clean the oil stain in the housing 21, the sheet heating element 37 is energized with the tray 26 and the grill 27 removed. The oil and fat deposited on the inner surface of the housing 1 is heated by the planar heating element 17 and thermally decomposed.

  As described above, the heating cooker of the present invention increases the temperature of the bottom surface of the casing by bringing the lower heater close to the bottom surface of the casing where oil and fat are deposited, by making the lower heater movable up and down. Since the oil and fat stain can be decomposed by heating, it can be applied to the use of an oven having a lower heater.

Sectional drawing of the heating cooker in Embodiment 1 of this invention The perspective view of the principal part of the heating cooker in Embodiment 1 of this invention. Plan sectional drawing of the heating cooker in Embodiment 1 of this invention Sectional drawing of the other heating cooker in Embodiment 1 of this invention The perspective view of the principal part of the other heating cooker in Embodiment 1 of this invention. Sectional drawing of the heating cooker in Embodiment 2 of this invention Sectional drawing showing a conventional cooking device

Explanation of symbols

21 housing 24 upper heater 25 lower heater 26 saucer 27 grill

Claims (6)

A grille for placing the food to be cooked, a saucer for housing the grille, a casing for housing the grille, the saucer and the food to be cooked, and an upper heater for heating the food to be cooked from above A lower heater for heating the object to be cooked from below, and the lower heater is a heating cooker that is movable up and down. The lower heater is fixed to a substantially U-shaped fixing bracket, and the fixing bracket is urged against the rear wall surface of the casing by urging a substantially central portion with a spring, and the casing is placed in slide grooves provided on the left and right of the fixing bracket. The cooking device according to claim 1, wherein a pin provided on the side surface of the slidable joint is movable up and down, and the pin is fitted into a recess provided at an upper end of the slide groove to fix the lower heater. A grille for placing the food to be cooked, a saucer for housing the grille, a casing for housing the grille, the saucer and the food to be cooked, and an upper heater for heating the food to be cooked from above A lower heater that heats the object to be cooked from below, and the lower heater is movable up and down with a root as a fulcrum, and includes a fixing bracket for the lower heater on the left and right wall surfaces of the casing. . The cooking device according to claim 3, wherein the bottom portion of the lower heater is urged by a spring and pressed against the inner wall surface of the housing, and the left and right sides of the lower heater are combined with fixing brackets provided on the side walls of the housing. Remove the tray and grille of the lower heater, release the fixing of the lower heater, put the cover on the lower heater with the tip of the lower heater moved to the lower surface of the housing, energize the lower heater, The cooking device according to claim 3, wherein the cooking device can be operated. A grille for placing the food to be cooked, a saucer for housing the grille, a casing for housing the grille, the saucer and the food to be cooked, and an upper heater for heating the food to be cooked from above A heating cooker provided with a lower heater for heating the object to be cooked from below, and a planar heating element provided on the outer surface of the casing.