JP2007132566A - Heating cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To use a grill or a cooking pan without leaking microwave and generating a spark at a guide portion for taking out and putting in the grill or cooking pan in interlocking with a door. <P>SOLUTION: The grill 16 or cooking pan is taken out or put in by being interlocked with the door 21 by a connecting member 25. The guide portion for taking out and putting in the grill 16 or cooking pan is formed by attaching an independent member (rail 15) to a cooking chamber 4 or molding the same to a cooking chamber wall. One or both of at least a part kept into contact with the grill 16 or cooking pan, of the guide portion and at least a part kept into contact with the guide portion of the grill 16 or cooking pan are made of an electrically insulating material. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a cooking device that can heat a food to be cooked, and is configured to allow a grill or a cooking dish used at the time of microwave heating to be taken in and out in conjunction with a door.

DESCRIPTION OF RELATED ART The heating cooker which can perform the microwave heating of the to-be-cooked object is provided conventionally. In this thing, the grill or the cooking dish used at the time of the microwave heating is prepared, and they are put into the cooking room by the user's hand after opening the door before cooking, and the door is opened again after cooking. Later, the user's hands can be removed using a detachable handle or mittens.
However, by itself, a detachable handle, mittens, etc. are required to take out the grill or cooking dish from the cooking room after cooking, and the user uses them to put out the grill or cooking dish. Is not stable and is not easy to use, such as dropping the food to be cooked on the grill or cooking pan.

On the other hand, oven toasters and the like are provided in which the grill net or cooking dish is taken in and out in conjunction with opening and closing of the door. In this thing, the guide part for making the said grill net or a cooking dish put in and out is provided in the cooking chamber wall by the long hole, and the side edge part of a grill net or a cooking dish is inserted in this long hole, and a grill net or The cooking pan is guided in and out in conjunction with opening and closing of the door (see, for example, Patent Documents 1 and 2).
Japanese Patent Laid-Open No. 5-21948 JP 2002-31352 A

In the case where the above-mentioned grill net or cooking dish is moved in and out in conjunction with the opening and closing of the door, there is no need for a detachable handle or mittens to remove the grill net or cooking dish from the cooking chamber, and stability is also achieved. Because it is good, it is easy to use.
However, the guide part for allowing the grill net or cooking dish to be taken in and out is a structure provided with a long hole in the wall of the cooking chamber, and if it is adopted in a heating cooker that performs microwave heating, the microwave is heated during microwave heating. May leak through the long holes, or spark may occur in the gap between the peripheral edge of the long holes and the side edge of the grill or cooking pan.

  The present invention has been made in view of the above circumstances, and therefore the object thereof is to allow a grill net or a cooking dish to be taken in and out in conjunction with a door. An object of the present invention is to provide a heating cooker that can be used without causing microwave leakage and sparks.

  In order to achieve the above object, in the heating cooker of the present invention, a cooking chamber for storing the cooking object, heating means for microwave heating the cooking object, and a grill used for the microwave heating or To provide a connecting member for moving the grill net or cooking dish in and out in conjunction with a door that opens and closes the cooking object entrance and exit of the cooking chamber, and for allowing the grill net or cooking dish to be taken in and out. The guide portion is provided in the cooking chamber by attaching a separate member or forming the cooking chamber wall, and at least a portion of the guide portion that comes into contact with the grill net or the cooking plate, and at least a guide portion of the grill net or the cooking plate. One or both of the portions to be formed are made of an electrical insulating material (invention of claim 1).

  According to the above means, the grill net or the cooking dish can be taken in and out in conjunction with the door that opens and closes the cooking object entrance of the cooking chamber. Further, in the guide portion for taking in and out the grill net or cooking dish, it is provided by attaching another member to the cooking chamber or forming the cooking chamber wall, so that the microwave does not leak, and Since at least one of the guide part that contacts at least the grilling net or the cooking dish and at least one part of the grilling net or the cooking dish that contacts the guide part is formed of an electrical insulating material, a spark is generated. It can be used without any problems.

Hereinafter, a first embodiment (first embodiment) of the present invention will be described with reference to FIGS.
First, FIG. 1 shows a main body 1 of a heating cooker. This main body 1 includes an outer box 2 and an inner box 3 disposed in the outer box 2 as shown in FIG. The inside of the inner box 3 functions as the cooking chamber 4. Both the outer box 2 and the inner box 3 are made of a metal plate (conductive material) such as stainless steel or galvanized steel plate.

  In the outside of the cooking chamber 4 (between the inner box 3 and the outer box 2), the wide space on the right side in FIG. 3 is a machine room 5. In this machine room 5, a magnetron 6 that is a microwave oscillator, A fan or the like (not shown) for cooling it is provided. A waveguide 7 is disposed from the magnetron 6 to the cooking chamber 4, and an excitation port 8 is formed at the center of the bottom of the cooking chamber 4 where the tip of the waveguide 7 faces. Thus, the microwave emitted from the magnetron 6 is supplied from the excitation port 8 to the cooking chamber 4 through the waveguide 7.

  In addition, an upper heater 9, which is an electric heater composed of, for example, a planar heater, is attached to the outer upper surface of the cooking chamber 4. On the other hand, the bottom plate 10 disposed on the bottom of the cooking chamber 4 and the cooking chamber 4. In the space 11 between the bottom portion, a lower heater 12 which is an electric heater composed of, for example, a sheathed heater is disposed. Further, a reflecting plate 13 is disposed in the space 11 and is rotated by a motor 14 below and below the space 11 so that the microwave is reflected and stirred to be widely supplied to the cooking chamber 4 by irradiation. . The bottom plate 10 is made of a material that transmits microwaves, such as an electrical insulating material such as ceramics or heat-resistant resin.

  In the cooking chamber 4, rails 15 are attached to both the left and right side surfaces, and the left and right ends of the grill 16 are hung on both rails 15, and the grill 16 is installed between the rails 15. Of these, the grill 16 is entirely made of metal (conductive material), and is formed by bending and joining metal wires in detail, as shown in FIG. It has a frame shape, and a large number of linear wires are laid side by side in parallel between the front and rear edges.

  Engaging portions 17 and 18 are formed on the front sides of the left and right sides of the grill 16, respectively, and these engaging portions 17 and 18 are arranged on the left and right edges in the outer edge of the grill 16. Between the front side of each part and the front side of the linear wire adjacent to each other, two short linear wires are erected in front and back, so that these engaging portions 17, 18 are As shown in FIG.

  On the other hand, the rail 15 is a separate member that is not integral with the cooking chamber 4, and in this case, the rail 15 is entirely made of an electrical insulating material such as ceramics or heat-resistant resin. The rail 15 is long in the depth direction of the cooking chamber 4 and has a groove 19 extending in the same direction. The left and right ends of the grill 16 are accommodated in the groove 19, and the grille 19 is fired along the groove 19. The grill 16 is inserted and removed in such a configuration that the left and right ends of the mesh 16 slide back and forth. Accordingly, the rail 15 functions as a guide part for allowing the grill 16 to be taken in and out.

  FIGS. 1 and 2 also show a door 21 that opens and closes an opening 20 on the front surface, which is a cooking object entrance / exit of the cooking chamber 4. The door 21 has a see-through portion 22 made of heat-resistant glass in a central region, a handle 23 on one side of the surface portion, and left and right sides of the back surface on the other side opposite to the handle 23. Hinge pieces 24 are provided on both sides, and are pivotally attached to the lower portions of the left and right sides of the main body 1 by the hinge pieces 24. With this configuration, the hinge pieces 24 are opened in a vertically open manner that opens downward.

Thus, connecting members 25 are attached to the lower portions of the left and right side portions of the back surface of the door 21, respectively. The connecting member 25 is a hook-shaped member whose tip is a flange portion 26 and is made of an electrical insulating material such as ceramics or heat-resistant resin. The flange portion 26 is connected to the engagement portions 17 of the grill 16. It is inserted between 18 and engaged with them in the front-rear direction.
Note that an operation panel 29 having a plurality of operation keys 27 and a display unit 28 made of, for example, a liquid crystal display is provided on the right side of the front surface of the main body 1 adjacent to the opening 20 of the cooking chamber 4. Is provided with a control device (not shown) for driving and controlling the magnetron 6, the fan, the upper heater 9, the lower heater 12, the motor 14, and the like.

  In addition, FIG. 1 shows an oil tray 30, which has a rectangular shape that is almost the same size as the bottom surface of the cooking chamber 4, and connects the grill 16 to the connecting member 25. It is set on the bottom surface of the cooking chamber 4 after being removed from the cooking chamber 4, and in this state, it receives oil or the like dripping from the object to be cooked as the heating cooking described below is performed. In addition, after setting the oil tray 30, the grill 16 is set in the cooking chamber 4 through the groove 19 of the rail 15, and the hook portion of the connecting member 25 is connected between the engaging portions 17 and 18 of the grill 16. 26.

  In the case of what is configured as described above, in order to perform cooking by heating, first, as shown in FIG. 1, with the door 21 opened, an object to be cooked (not shown) is placed on the grill 16, Next, the door 21 is closed. Then, the grill 16 is pushed into the cooking chamber 4 by pushing the rear engaging portion 18 to the flange portion 26 of the connecting member 25, and the cooking object is also accommodated in the cooking chamber 4.

  Thereafter, if the operation key 27 of the operation panel 29 is operated to perform cooking, the cooking of the food to be cooked is started. The cooking to be performed with this configuration includes cooking to be cooked with microwaves and cooking with heaters, and microwave heating of the microwaves generated by the magnetron 6 is conducted through the waveguide 7. It is performed by supplying the cooking chamber 4 from the excitation opening 8 and irradiating the object to be cooked. Therefore, the magnetron 6 functions as a heating means (first heating means) for microwave-heating the object to be cooked.

On the other hand, the heater heating is performed by applying the heat generated by one or both of the upper heater 9 and the lower heater 12 to the object to be cooked. Therefore, the upper heater 9 and the lower heater 12 function as heating means (second heating means) for heating the food to be cooked.
After taking out the cooking in this way, the door 21 is opened to take out the object to be cooked. Then, as shown in FIG. 2, the grill 16 is pulled out of the cooking chamber 4 by pulling the front engaging portion 17 to the flange portion 26 of the connecting member 25, and the food to be cooked is also taken out from the cooking chamber 4. It is.

In this way, with this configuration, the grill 16 can be taken in and out in conjunction with the opening and closing of the door 21, and a removable handle, mittens, etc. are required to remove the grill 16 from the cooking chamber 4. The stability is also good, so the usability can be improved.
Moreover, in the rail 15 which is a guide part for taking in and out of the grill 16, it is provided in the cooking chamber 4 by attaching another member, so what is provided in the chamber wall of the cooking chamber 4 with a hole. In contrast, when microwave heating is performed, the microwave is not leaked, and since the rail 15 is formed of an electrical insulating material, it can be used without generating a spark.

  In addition, the rail 15 (guide part) should just form at least the part which contacts the grille 16 with an electrical insulating material instead of the whole. Further, the rail 15 may be made of a conductive material as long as at least a portion of the grill 16 that contacts the rail 15 is formed of an electrical insulating material. Furthermore, at least a portion of the rail 15 that contacts the grill 16 and a portion of the grill 16 that contacts the rail 15 may be formed of an electrically insulating material.

  In addition, in the case of this configuration, the grill 16 can be removed from the connecting member 25 and can be taken out from the connecting member 25, so that when the grill 16 is washed, By removing the net 16 from the connecting member 25 and taking it out, only the net 16 can be handled alone and washed as desired.

  In addition, the connecting member 25 is also formed of an electrical insulating material, so that it is possible to avoid the occurrence of a spark between the connecting member 25 and the connecting member 25 of the grill 16. In addition, the connection member 25 should just form at least the part (ridge part 26) engaged with the grille 16 with an electrical insulating material instead of the whole. In addition, the connecting member 25 may be made of a conductive material as long as at least portions (engaging portions 17 and 18) of the grill 16 that engage with the connecting member 25 are formed of an electrical insulating material. Furthermore, at least a portion of the linking member 25 that engages with the grill 16 and a portion of the grill 16 that engages with the linking member 25 may be formed of an electrically insulating material.

  4 to 13 show second to sixth examples (second to sixth embodiments) of the present invention. The same parts as those of the first example are the same as those of the first example. A description will be omitted with reference numerals, and only different parts will be described.

[Second Embodiment]
In the second embodiment shown in FIG. 4, a cooking dish 41 is used in place of the above-mentioned grill 16. The cooking pan 41 is made of an electrical insulating material such as ceramics or heat-resistant resin, and has holes 42 on the front sides of the left and right side portions (the same portions as the portions where the engaging portions 17 and 18 of the grill 16 are formed). It has a non-porous shape except for having a square shape similar to that of the grill net 16. After the cooking plate 41 is passed through the groove 19 of the rail 15, the connecting member 25 is engaged with the hole 42 in the front-rear direction by inserting the hole 42 of the cooking plate 41 into the flange portion 26 of the connecting member 25. I am doing so.

Therefore, even in this case, when the door 21 is closed, the cooking pan 41 is pushed into the cooking chamber 4 by pushing the rear edge portion of the hole 42 into the hook portion 26 of the connecting member 25, and from that state, the door 21 is opened. The cooking pan 41 is pulled out of the cooking chamber 4 by pulling the front edge of the hole 42 to the flange 26 of the connecting member 25.
Further, in this case, the cooking dish 41 can be removed from the connecting member 25 and taken out, and in short, can be detached from the connecting member 25.
And the cooking dish 41 is formed with an electrical insulating material as described above, so that even if the rail 15 and the connecting member 25 are formed of a conductive material, no spark is generated between them. Can be.

  In addition, the cooking pan 41 should not be formed in its entirety, but at least a portion that contacts the rail 15 and a portion that engages with the connecting member 25 (periphery of the hole 42) may be formed of an electrical insulating material. Further, if at least a portion of the rail 15 that contacts the cooking plate 41 and a portion of the connecting member 25 that engages with the cooking plate 41 are formed of an electrical insulating material, the cooking plate 41 may be made of a conductive material. good. Furthermore, at least a portion of the cooking plate 41 that contacts the rail 15 and a portion that engages with the connecting member 25, and a portion of the rail 15 that contacts at least the cooking plate 41 and a portion of the connecting member 25 that engages with at least the cooking plate 41 are , Not only one of them, but both may be formed of an electrical insulating material.

[Third embodiment]
In the third embodiment shown in FIG. 5, a roller 51 is mounted on a portion (engagement portion 17, 18) that engages with the connecting member 25 of the grill 16. The roller 51 is a rotating member that is rotated by the connecting member 25 when the grille net 16 is taken in and out in conjunction with the opening and closing of the door 21, whereby the grille net 16 is taken in and out in conjunction with the opening and closing of the door 21. Can be done more smoothly.
In this case as well, by forming one or both of at least a portion of the connecting member 25 in contact with the roller 51 and a portion of the roller 51 in contact with the connecting member 25 with an electrical insulating material, a spark between them can be generated. It is better to prevent the occurrence.

[Fourth embodiment]
In the fourth embodiment shown in FIGS. 6 and 7, the door 61 is pivotally attached to the main body 1 in a side-opening manner that opens to the left or right (left in the illustrated example) instead of the door 21 described above. A connecting member 62 is provided in the vicinity of the pivotally attached portion at the lower rear side of the door 61. This linking member 62 is a projection in which a projection 64 is erected on the tip of a horizontal base portion 63, and all of it is made of an electrical insulating material such as ceramics or heat-resistant resin. 65 engagement portions 66 and 67 are inserted and engaged with each other.

Note that the grill net 65 is generally the same as the grill net 16, but by a front edge portion in the outer edge portion and a linear member laid between the left and right side edge portions slightly apart from this, The engaging portions 66 and 67 are formed, and a large number of linear wire members are laid side by side in parallel between the linear member constituting the rear engaging portion 67 and the rear edge portion. Yes.
Even in this case, when the door 61 is closed, the grilling net 65 is pushed into the cooking chamber 4 by pushing the rear engaging portion 67 against the projection 64 of the connecting member 62, and from this state, the door 61 can be opened. For example, the grill net 65 is pulled out of the cooking chamber 4 by pulling the front engaging portion 66 to the protrusion 64 of the connecting member 62.

In this case, the grill 65 can be removed from the connecting member 62 and taken out. In short, it can be detached from the connecting member 62.
And the connection member 62 is formed with the electrical insulation material, and it can prevent that a spark generate | occur | produces between the part engaged with the connection member 62 of the grill net 65, and the connection member 62 by it.

  In addition, the connection member 62 should just form at least the part (protrusion 64) engaged with the grill 65 with an electrical insulating material instead of the whole. In addition, the connecting member 62 may be made of a conductive material as long as at least portions (engaging portions 66 and 67) of the grill 65 that engage with the connecting member 62 are formed of an electrically insulating material. Furthermore, at least a part of the connecting member 62 that engages with the grilling net 65 and a part of the grilling net 65 that engages with at least the connecting member 62 may be formed of an electrically insulating material.

  In this case as well, the rail 15 (guide portion) may be formed of an electrical insulating material at least at a portion in contact with the grill 65 instead of the entire rail 15 (guide portion). Further, the rail 15 may be made of a conductive material as long as at least a portion of the grill 65 that contacts the rail 15 is formed of an electrical insulating material. Furthermore, at least a portion of the rail 15 that contacts the grille 65 and a portion of the grille net 65 that contacts the rail 15 may be formed of an electrically insulating material.

[Fifth embodiment]
In the fifth embodiment shown in FIG. 8, a roller 71 is mounted on a portion (protrusion 64) that engages with the grill net 65 of the connecting member 62. Like the roller 51 of the third embodiment, the roller 71 is a rotating member that is rotated by a connecting member 62 when the grill 65 is moved in and out in conjunction with the opening and closing of the door 61. The grill net 65 can be inserted and removed more smoothly in conjunction with the opening and closing of the.
In this case as well, by forming one or both of at least the portion of the connecting member 62 in contact with the roller 71 and the portion of the roller 71 in contact with the connecting member 62 with an electrical insulating material, sparks between them can be generated. It is better to prevent the occurrence.

[Sixth embodiment]
In the sixth embodiment shown in FIGS. 9 to 13, a plurality of oil trays 81 are provided on the bottom surface of the cooking chamber 4 so that they can be put in and out. The oil pan 81 corresponds to one of the oil pans 30 described above, and in detail, in this case, as shown in FIG. It is arranged side by side on the bottom of the cooking chamber 4.

Further, in one of the oil trays 81, as shown in FIGS. 10 to 12, the thickness of the left edge 81a, which is an edge on one side, is larger than that of the right edge 81b, which is an edge on the other side. As shown in FIG. 13, the oil receiving tray 81 on the right side, which is an oil receiving tray on one side, is formed at a portion where a plurality of (two in the illustrated example) oil receiving trays 81 are in contact with each other. The left edge 81a of 81 overlaps with the right edge 81b of the left oil receiving tray 81 which is the other oil receiving tray.
Furthermore, a dripping rib-shaped oil cut portion 82 is formed at the tip of the left edge portion 81a of the oil tray 81.

  Since the connecting member 25 is provided on the back surface of the door 21, in the oil tray 30 having the same size as that of the bottom surface of the cooking chamber 4 in the first embodiment, as described above, the grill 16 (cooking plate 41 ) Is removed from the connecting member 25 and taken out, and the oil receiving tray 30 must be set on the bottom surface of the cooking chamber 4. Otherwise, the connecting member 25 is obstructed to set the oil receiving tray 30. . The same applies to the case where the oil pan 30 is removed from the cooking chamber 4 for cleaning. The oil pan 30 cannot be removed from the cooking chamber 4 unless the grill 16 is removed from the connecting member 25 and removed. .

  On the other hand, in the case where the oil pan 81 is divided into a plurality of pieces as described above, the oil pan 81 is not obstructed by the connecting member 25 because each piece is small. Can be set in the department. Therefore, it is not necessary to remove the grill net 16 from the connecting member 25 before taking out the storage set. Also, when the oil pan 81 is taken out from the cooking chamber 4, the grill net 16 is connected to the connecting tray 25 before that. There is no need to remove it from 25. Thus, usability can be improved.

  Further, at the portion where the plurality of oil receiving trays 81 are in contact with each other, the edge portion 81a of the one side oil receiving tray 81 is overlapped with the edge portion 81b of the other side oil receiving tray 81. As shown in FIG. 13, the oil O dripped at the portion where the plurality of oil receiving trays 81 are in contact with each other is accumulated in both oil receiving trays 81 (see arrows) and does not fall between the oil receiving trays 81. Thus, the oil dripped from the cooking object being cooked can be reliably received by the oil tray 81, and the bottom surface of the cooking chamber 4 can be reliably prevented from being soiled with the oil.

In addition, since the oil drain part 82 is formed in the front-end | tip of the edge part 81a of the oil receiving tray 81, it is dripped at the part which the above-mentioned several oil receiving tray 81 touches, and the other side by which the edge part 81b became the bottom The oil flowing toward the oil receiving tray 81 can be more reliably dropped into the oil receiving tray 81 on the other side.
However, the oil draining portion 82 and the like may be provided as necessary, and the heating means as the whole heating cooker only needs to include heating means for microwave heating, and heating means for heating the heater. May not be provided.

Further, the guide portion exemplified by the rail 15 may be provided by forming a concavo-convex shape of the chamber wall of the cooking chamber 4.
In addition, the present invention is not limited to the embodiments described above and shown in the drawings, and can be implemented with appropriate modifications within a range not departing from the gist.

The perspective view of the door opening state which shows 1st Example of this invention Longitudinal side view in the middle of opening the door Longitudinal front view FIG. 1 equivalent view showing a second embodiment of the present invention. Partially enlarged vertical side view of a grill showing a third embodiment of the present invention FIG. 1 equivalent view showing a fourth embodiment of the present invention. Cross section of the door open The enlarged plan view of the connection member part which shows 5th Example of this invention FIG. 1 equivalent view showing a sixth embodiment of the present invention. Enlarged plan view of a single oil pan Front view of oil pan alone Sectional drawing which follows the XX line of FIG. Enlarged vertical front view of the cooking chamber oil pan

Explanation of symbols

  In the drawing, 4 is a cooking chamber, 6 is a magnetron (heating means), 15 is a rail (guide portion), 16 is a grill, 17 and 18 are engaging portions, 20 is an opening (cooking port), 21 is Door, 25 is a connecting member, 41 is a cooking plate, 42 is a hole, 51 is a roller (rotating member), 61 is a door, 62 is a connecting member, 65 is a grill, 66 and 67 are engaging portions, and 71 is a roller ( Rotating member), 81 is an oil pan, and 81a and 81b are edges.

Claims (6)

A cooking chamber for storing the food,
Heating means for microwave heating the food to be cooked;
In what comprises a grill or cooking dish used at the time of the microwave heating,
While providing a connecting member that allows the grill or cooking dish to be taken in and out in conjunction with a door that opens and closes the cooking object entrance and exit of the cooking chamber,
A guide portion for allowing the grill net or cooking dish to be taken in and out is provided in the cooking chamber by attaching a separate member or forming a cooking chamber wall, and at least a portion of the guide portion that contacts the grill net or the cooking pan, One or both of a mesh or a portion of the cooking dish that contacts at least the guide portion is formed of an electrical insulating material.   The cooking device according to claim 1, wherein the grill or the cooking dish is detachable from the connecting member.   One or both of at least a portion of the connecting member that engages with the grill or cooking dish and a portion of the grill member or cooking dish that engages with at least the connecting member are formed of an electrical insulating material. 1 is a heating cooker.   Rotating member that rotates when the grille mesh or cooking dish is inserted into or removed from the part that engages with the linkage member of the grille or cooking dish or the part of the linkage member that engages with the grille net or cooking dish. The cooking device according to claim 1, wherein the cooking device is provided.   The cooking device according to claim 1, wherein a plurality of oil trays are provided on the bottom surface of the cooking chamber so as to be able to be taken in and out. 6. The cooking device according to claim 5, wherein an edge portion of the oil receiving tray on one side overlaps an edge portion of the oil receiving tray on the other side in a portion where the plurality of oil receiving trays are in contact with each other.

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