JP2010286195A - Cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heating cooker which easily removes food stain attached to a power feeding port cover and the like without strongly rubbing it. <P>SOLUTION: This heating cooker includes an oven range body 1, a heating chamber 2 disposed in the oven range body 1 and receiving a cooked object to be cooked, a magnetron 10 for supplying high frequency into the heating chamber, a wave guide 11 covering a power feeding port opening 8 disposed on a sidewall of the heating chamber from outside and guiding electric wave from the magnetron to the power feeding port opening, a heater 12 disposed at the upper part of the heating chamber, and the power feeding port cover 9 disposed on the inner wall of the heating chamber and covering the power feeding port opening from an inner side. A surface of the power feeding port cover is coated with a silicon-series rubber mixture material 19 in which silicon grease 18 as lubricating grease is mixed. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a cooking device such as a microwave oven or an electric oven.

  In the conventional microwave oven, the power outlet cover is covered with paint or enamel glass coating for the purpose of making it difficult for dirt such as food residue to adhere to the power outlet cover provided in the heating chamber and for easy cleaning. Has been proposed (see, for example, Patent Document 1).

JP 58-145827 (first page, FIG. 3)

However, what was painted on the power outlet cover of the conventional microwave oven described above was not durable because the coating was damaged when it was rubbed strongly in an attempt to clean the attached food residue.
Further, the enamel-coated one has a problem that it can be rubbed strongly and has durability, but is easily stuck.
The present invention has been made to solve such problems, and an object of the present invention is to provide a cooking device that can easily remove food stains attached to a power supply cover and the like without being strongly rubbed. To do.

  A cooking device according to the present invention includes a cooking device main body, a heating chamber provided in the cooking device main body for storing and cooking food, a magnetron for supplying a high frequency into the heating chamber, and the heating chamber. A power supply opening provided on the side wall is covered from the outside, a waveguide for guiding radio waves from the magnetron to the power supply opening, a heater disposed above the heating chamber, and an inner wall of the heating chamber A power supply port cover for covering the power supply port opening from the inside, and at least a surface of the power supply port cover on the heating chamber side is covered with a silicone rubber mixed material mixed with lubricating oil or lubricating grease. Is.

  In the heating cooker according to the present invention, at least the surface on the heating chamber side of the power supply port cover that covers the power supply port opening provided on the inner wall of the heating chamber from the inside is mixed with a silicone rubber mixed with lubricating oil or lubricating grease. When the temperature inside the heating chamber rises due to energization of the heater, the warmed and softened lubricating oil of the silicone rubber mixture covering the surface of the heating port side of the power supply port cover is replaced with the silicone rubber mixture material. Covers the surface as a film, or the lubricating grease gradually liquefies and oozes out to cover the surface of the silicone rubber mixture so that it can be easily removed without being rubbed strongly even if food debris is attached. There is an effect that can be done.

The perspective view which shows the microwave oven of Embodiment 1 of this invention. Sectional drawing of the microwave oven. Sectional drawing of the electric power outlet cover of the microwave oven. Sectional drawing which shows the silicon | silicone grease film which oozed out to the silicon rubber mixture surface of the electric power outlet cover of the microwave oven. Sectional drawing of the electric power feeding opening part of the microwave oven of Embodiment 2 of this invention. Sectional drawing which shows the microwave oven of Embodiment 3 of this invention.

Embodiment 1 FIG.
1 is a perspective view showing a microwave oven according to a first embodiment of the present invention, FIG. 2 is a cross-sectional view of the microwave oven, FIG. 3 is a cross-sectional view of a power supply opening of the microwave oven, and FIG. 4 is a power supply of the microwave oven. It is sectional drawing which has a silicon grease film | membrane of a mouth part.
As shown in FIG. 1, a heating chamber 2 whose front surface is open is formed inside a microwave oven main body 1 that is a main body of a heating cooker. A door 3 is provided at the front opening of the heating chamber 2 so as to be freely opened and closed.
On the other hand, an operation panel 4 is provided on the front side of the microwave oven body 1 on the right side of the door 3. In addition to the temperature setting key 5a and the cleaning mode key 5b, the operation panel 4 is provided with keys for setting a cooking time, starting cooking, and the like. Furthermore, a display unit 6 indicating a cooking mode is provided at the top of the operation panel 4.
Moreover, the side surface, top surface, and bottom surface of the heating chamber 2 are made of steel plates, and a power supply port cover 9 is attached to the right side surface.

As shown in FIG. 2, an upper heater 12 is installed outside the upper surface of the heating chamber 2, and a lower heater 13 is installed outside the bottom surface. Inside the heating chamber 2 is a cradle 14 on which food is placed, and the cradle 14 is driven and rotated by a motor 15.
A power supply port opening 8 is provided on the right side surface of the heating chamber 2, and a waveguide 11 that guides radio waves from a magnetron 10 that is a transmitter is provided outside the power supply port opening 8. A power supply port cover 9 that covers the power supply port opening 8 is provided inside, and the power supply port cover 9 and the waveguide 11 are attached to the right side surface of the heating chamber 2 by screws 16.
The power supply port cover 9 is a mica laminate, and the surface is covered with a silicon rubber mixed material 19 by dipping.
As shown in FIG. 3, the silicon rubber mixed material 19 is formed by mixing a silicone rubber adhesive 17 with heat-resistant silicon grease 18 and covers the surface of the power supply port cover 9.

In the microwave oven according to the first embodiment of the present invention, when the cleaning mode key 5b provided on the operation panel 4 is operated, the upper heater 12 and the lower heater 13 are energized and the pre-programmed silicon grease 18 is liquid. The temperature of the heating chamber 2 is raised to a temperature at which
As a result, the silicon rubber mixed material 19 covering the power supply port cover 9 is also heated and the temperature rises, and as shown in FIG. 4, the silicon grease 18 having heat resistance mixed in the silicon rubber mixed material 19. Since the silicon grease particles 18a gradually become liquid from the grease shape due to high temperature and ooze out to form a silicon grease film 18b and cover the surface in a film shape, the food residue does not stick and is difficult to adhere. It can be removed by cleaning.
The vicinity of the power supply port cover 9 is a strong electric field region due to the power supply port opening 8, and it has been confirmed that the food residue is carbonized, smoked, and ignited if it cannot be removed even after cleaning.

  According to the first embodiment of the present invention, the power supply port cover 9 is covered with the silicon rubber mixed material 19 formed by mixing the silicon rubber adhesive 17 with the heat-resistant silicon grease 18. When the internal temperature rises, the silicon grease particles 18a of the silicon grease 18 mixed from the silicon rubber mixed material 19 gradually become liquid from the grease and exudes to cover the surface as a silicon grease film 18b due to the high temperature. Since the food residue does not stick and is difficult to adhere, even if it adheres, the food residue can be easily removed by cleaning.

Embodiment 2. FIG.
FIG. 5 is a cross-sectional view of the power supply port portion of the microwave oven according to the second embodiment of the present invention.
In the second embodiment, the same components as those of the first embodiment are denoted by the same reference numerals, and the description of the overlapping components is omitted.
In the second embodiment, a silicon rubber mixed material 19 formed by mixing a silicon rubber 18 having heat resistance into a silicon rubber adhesive 17 is formed into a sheet shape, and as shown in FIG. 5, a sheet-shaped silicon rubber mixed material is formed. 19, the heating chamber 2 side of the feeding port cover 9 of the mica laminate is covered, and the silicon rubber mixed material 19 and the feeding port cover 9 are attached and fixed to the side surface of the heating chamber 2 with screws 16.

According to the second embodiment, since the silicon rubber mixed material 19 formed by mixing the heat-resistant silicon grease 18 into the silicon rubber adhesive 17 is formed into a sheet shape, the sheet-shaped silicon rubber mixed material 19 has good mass productivity. , Low cost.
Further, as in the first embodiment, since the silicon grease particles 18a of the sheet-like silicon rubber mixed material 19 become the silicon grease film 18b and cover the surface in a film shape, the food residue does not stick and is difficult to adhere. But you can easily remove food residue by cleaning.

Embodiment 3 FIG.
FIG. 6 is a cross-sectional view showing the microwave oven according to the third embodiment of the present invention.
In the third embodiment, the same components as those of the first embodiment are denoted by the same reference numerals, and the description of the overlapping components is omitted.
The microwave oven of the third embodiment is a lower power feeding method, and a ceramic side plate 25 is installed on the side surface of the heating chamber 2.
That is, as shown in FIG. 6, a concave portion 2a that is depressed in two stages is formed by press molding on the side surface of the heating chamber 2, and a ceramic side plate 25 is fixed to the concave portion 2a.
In the ceramic side plate 25, two integrally formed shelf portions 23 are formed in parallel so as to cover the entire width of the ceramic side plate 25.
In this way, the left and right side edges of the metal cooking dish 24 are supported by the opposing shelf portions 23 of the ceramic side plates 25 respectively installed on the left and right wall surfaces of the heating chamber 2.
The surface of the ceramic side plate 25 on the heating chamber 2 side is covered with a silicon rubber mixed material 19 formed by mixing a silicon rubber adhesive 17 with heat-resistant silicon grease 18 including the shelf 23. The coating of the silicon rubber mixed material 19 on the surface of the ceramic side plate 25 on the heating chamber 2 side may be performed by dipping on the surface of the ceramic side plate 25 on the heating chamber 2 side, or the heating chamber of the ceramic side plate 25 The surface on the two sides may be covered with a silicon rubber mixed material 19 formed in a sheet shape.
In addition, since the cooking plate 24 does not necessarily need to be made of metal, it may be formed of, for example, a heat resistant resin.

In addition, a large recessed portion 2b is formed on the bottom surface of the heating chamber 2, and a lower heater 13 such as a sheathed heater for heating the cooked food is installed in the recessed portion 2b. The entire upper part of the recessed portion 2b is always covered with a flat partition plate 20 made of heat-resistant crystallized glass attached to the recessed portion 2b.
The surface of the partition plate 20 on the heating chamber 2 side is covered with a silicon rubber mixed material 19 in which silicon grease 18 having heat resistance is mixed into the silicon rubber adhesive 17. The silicon rubber mixed material 19 is injected and bonded also to the end of the partition plate 20 and a part of the recessed portion 2b on the bottom surface of the heating chamber 2, and seals the recessed portion 2b from water or food waste.
A waveguide 11 that guides radio waves from a magnetron 10 that is a transmitter is provided on the outer surface of the recessed portion 2b, and an antenna 21 is provided on the inner surface side of the recessed portion 2b. The motor shaft 22 is connected through the feed opening 8 formed in the recessed portion 2 b, and the antenna 21 is driven to rotate by the antenna motor 22 so that microwaves are supplied to the heating chamber 2. .

According to the third embodiment, the respective surfaces of the ceramic side plate 25 attached to the side surface of the heating chamber 2 and the partition plate 20 attached to the bottom surface of the heating chamber 2 have heat resistance to the silicon rubber adhesive 17. Since it is covered with the silicon rubber mixed material 19 mixed with the silicon grease 18, the silicon grease film 18b of the silicon grease 18 covers the surface like a film like the first embodiment, so that the food residue does not stick and adhere. Because it is difficult, food residue can be easily removed by cleaning.
Further, since the surface of the shelf portion 23 of the ceramic side plate 25 attached to the side surface of the heating chamber 2 is also covered with the silicon grease film 18b, the cooking dish 24 can be smoothly put in and out.

In the conventional product, since the shelf portion 23 of the ceramic side plate 25 is also ceramic, wear powder and rubbing noise are generated due to rubbing when the cooking pan 24 is put in and out. In this Embodiment 3, the shelf portion 23 is also made of a silicon grease film. By covering 18b, the cooking dish 24 can be taken in and out gently and smoothly.
Similarly, the partition plate 20 attached to the bottom surface of the heating chamber 2 is also covered with a silicone rubber mixed material 19 mixed with heat-resistant silicon grease 18, and a tea bowl, a dish, or the like in which cooking to the heating chamber 2 is placed. The container can be taken in and out smoothly.

In the first to third embodiments, the silicon rubber mixed material 19 is formed by mixing the silicone rubber 18 having heat resistance with the silicon rubber adhesive 17, but silicon is mainly used instead of the silicon rubber adhesive 17. A silicon-based rubber adhesive material may be used, and silicon-based grease or silicon-based lubricating oil, or lubricating grease or lubricating oil mainly containing silicon may be used instead of the silicon grease 18.
In addition, when the power supply port cover 9 or the partition plate 20 is covered with the silicon-based lubricant or the silicon rubber mixed material 19 mixed with the lubricant, if the temperature in the heating chamber 2 is increased by energizing the heater 12 or 13, Since the softened silicone-based lubricating oil or lubricating oil covers the surface of the silicon rubber mixed material 19 in a film shape, even if dirt such as food waste adheres, it can be easily removed without being rubbed strongly.

  DESCRIPTION OF SYMBOLS 1 Microwave oven body (cooker body), 2 Heating chamber, 3 Doors, 4 Operation panel, 5a Temperature setting key, 5b Cleaning mode key, 6 Display part, 8 Feeding port opening, 9 Feeding port cover, 10 Magnetron, 11 Wave tube, 12 upper heater, 13 lower heater, 14 cradle, 15 motor, 16 screw, 17 silicone rubber adhesive, 18 silicone grease, 18a silicone grease particle, 18b silicone grease film, 19 silicone rubber mixed material, 20 partition plate , 21 Antenna, 22 Antenna motor, 23 Shelf, 24 Cooking dish, 25 Ceramic side plate.

Claims (14)

The cooker body,
A heating chamber provided in the cooker body for storing and cooking the food;
A magnetron for supplying a high frequency into the heating chamber;
A waveguide for covering the power supply opening provided on the side wall of the heating chamber from the outside, and guiding a radio wave from the magnetron to the power supply opening;
A heater disposed above the heating chamber;
A power supply port cover that covers the power supply port opening provided on the inner wall of the heating chamber from the inside,
A heating cooker characterized in that at least the surface of the power supply port cover on the side of the heating chamber is covered with a silicone rubber mixed material mixed with lubricating oil or lubricating grease.   The heating cooker according to claim 1, wherein the power supply port cover is formed of a car laminate or a ceramic member. The cooker body,
A heating chamber provided in the cooker body for storing and cooking the food;
A magnetron for supplying a high frequency into the heating chamber;
A waveguide that covers the power supply opening provided in the recess of the bottom wall of the heating chamber from the outside, and guides the radio wave from the magnetron to the power supply opening;
A heater disposed inside the recess of the bottom wall of the heating chamber;
It is attached so as to cover the recess of the bottom wall of the heating chamber, and includes a partition plate that also serves as a power supply port cover,
A cooking device according to claim 1, wherein at least a surface of the partition plate on the side of the heating chamber is coated with a silicon rubber mixed material mixed with lubricating oil or lubricating grease.   4. An antenna is disposed between a recess in the bottom wall of the heating chamber and the heater, and the antenna is rotated by an antenna motor provided outside the recess. Cooking device.   The cooking device according to claim 3 or 4, wherein the partition plate is formed of a ceramic member.   The shelf part which supports the side edge of a cooking pan is provided in the side surface which the said heating chamber opposes, The surface of this shelf part was coat | covered with the silicone type rubber mixed material which mixed lubricating oil or lubricating grease. Claim | item 1-5 heating cooker in any one of.   Both surfaces of the power supply port cover are coated by dipping treatment of the silicon rubber mixture material, or one surface of the power supply port cover is formed into a sheet shape, and a sheet-shaped silicon rubber mixture material is formed. The heating cooker according to claim 1 or 2, wherein the cooking device is coated with.   The both sides of the partition plate are covered by a dipping process of the silicon rubber mixture material, or one surface of the partition plate is formed into a sheet shape with the silicon rubber mixture material and covered with a sheet-like silicon rubber mixture material The cooking device according to any one of claims 3 to 5, wherein the cooking device is a cooking device.   7. The cooking device according to claim 6, wherein one surface of the shelf is formed in a sheet shape from the silicon rubber mixture and is covered with a sheet silicon rubber mixture.   The cooking device according to any one of claims 1 to 9, wherein the silicon rubber mixture is formed by mixing the lubricating oil or lubricating grease into a silicon rubber adhesive.   The cooking device according to claim 10, wherein the lubricating oil or lubricating grease is made of silicon.   The cooking device according to claim 11, wherein the lubricating grease is silicon grease. A temperature setting key for setting various temperatures in the heating chamber;
The cooking device according to any one of claims 10 to 12, wherein the heater is heated to a predetermined temperature at which the lubricating grease set by the temperature setting key becomes liquid. A cleaning mode key for setting the inside of the heating chamber to a predetermined temperature at which the lubricating grease becomes liquid,
The cooking device according to any one of claims 10 to 12, wherein the heater is heated to a predetermined temperature set by the cleaning mode key.

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