JPH11128091A - Electric cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric cooker with a wide application range, by which a plate surface is properly selected in accordance with cooking kinds. SOLUTION: Many oil grooves 22 being a recessed shape in a cross section are formed parallel at prescribed interval on one surface of a plate 21 (recessed and projecting surface) and, in the meantime, the other surface of the plate 21 is flatly constituted (flat surface). Besides, sidewall parts 23a and 23b respectively provided with prescribed heights are formed in an outer periphery on the both surfaces of the plate 21, the desired plate surface is selected in accordance with the cooking kinds and the sidewall parts 23a and 23b are made to function as the leg parts of the plate 21 when the plate 21 is fitted to a main body with the surface as the upper one in configuration. Moreover, a peripheral edge goove 24 having a prescribed width is formed along the outer periphery and the peripheral edge groove 24 is constituted so as to communicate with the oil grooves 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric cooker provided with a detachable cooking board (hereinafter, referred to as a plate).
In particular, the present invention relates to an electric cooker improved to eliminate uneven grilling and to make heat distribution uniform.

[0002]

2. Description of the Related Art As a conventional hot plate type electric cooker, one having a configuration as shown in FIGS. 8 to 12 is known.

[0003] For example, as shown in FIGS. 8 and 9, a heater 2 such as a sheathed heater as an electric heater is accommodated in a cooking device main body 1, and a heating plate is heated by utilizing the heat generated by the heater 2. An electric cooker that heats and cooks meat, vegetables, and the like placed on the plate 3 is known. As a heating plate 3 constituting a conventional electric cooker as shown in FIG. 8, a heating plate 3 having a large number of slit-shaped openings 4 or a flat flat plate having no openings is formed. What is used is used.

On the other hand, the conventional electric cooker disclosed in Japanese Utility Model Application Laid-Open No. 58-54032 is configured as shown in FIGS. That is, in the figure, 1
Reference numeral 1 denotes a pot body serving as a roasted meat pot main body, which is provided with a substantially planar plate 12 on an upper surface thereof.
Is formed with an oil flow groove 13 whose height is higher at the center and gradually lowers toward the outer periphery. Reference numeral 14 denotes an annular groove formed on the outer periphery of the plate 12,
The oil flowing through the annular groove 14 is configured to accumulate in the annular groove 14. Further, reference numeral 15 denotes a rising edge formed on the outer peripheral edge of the pot body 11. As shown in FIGS. 11 and 12, a disc-shaped recess 16 is provided on the back surface of the pot body 11, and the recess 16 accommodates a heater 17 incorporated in an electric cooker body 18. It is configured to:

[0005]

However, the above-described conventional electric cooker has the following problems. That is, in the case where a large number of slit-shaped openings 4 are formed in a flat heating plate 3 as in an electric cooker as shown in FIGS. However, since the heat from the heater 2 escapes from the holes 4, it is difficult to sufficiently heat the heating plate 3.

On the other hand, when the heating plate 3 is formed in a flat planar shape, the heat mass is small, and the temperature difference between the vicinity of the heater 2 and the portion distant from the heater 2 becomes large. Temperature unevenness occurred, and grilling unevenness was likely to occur. Furthermore, a flat heating plate 3
When oil is used, oil, meat juice, and the like produced by heating remain on the plate 3 and are further heated and scattered around, or burnt on the plate 3. In addition, the oil, meat juice, and the like remaining on the plate 3 adhere to other meats, vegetables, and the like, causing the taste of the dish to deteriorate.

The conventional electric cooker disclosed in Japanese Utility Model Application Laid-Open No. 58-54032 has the following disadvantages. That is, in this electric cooker, the oil flow groove 13 has a shape having a right-angled corner as shown in FIG. There were drawbacks such as obstruction of flow and difficulty in cleaning.

Further, as shown in FIG. 11, since the plate 12 and the heater 17 are formed in close contact with each other, the temperature of a part directly in contact with the heater becomes higher than other parts, The heat distribution on the plate 12 was uneven. In addition, since the heater 17 is configured to be incorporated in the main body, or the main body and the heater are configured to be in close contact with each other, the main body is also heated, and burns when moving the electric cooker. In some cases, accidents such as injuries occurred.

Furthermore, since the oil flow groove 13 is formed on the entire surface of the plate, the surface of the plate becomes uneven, so that it cannot be applied to a dish desirably cooked on a flat plate such as a hot cake or okonomiyaki. There was also a drawback.

The present invention has been proposed in order to solve the above-mentioned problems of the prior art. The first object of the present invention is to make one surface of a plate an uneven surface and the other surface a flat surface, and to make both surfaces flat. It is an object of the present invention to provide an electric cooker which is configured to be able to be used and has a wide applicable range in which a desired plate surface can be selected and used according to the type of cooking.

A second object of the present invention is to provide an electric cooker in which a heater disposed on a lower surface of a plate is disposed in a direction orthogonal to an oil groove, thereby achieving a uniform heat distribution. It is in.

Further, a third object is to provide predetermined gaps between the plate and the heater and between the main body and the heater, thereby heating the air in the space.
An object of the present invention is to provide an electric cooker capable of uniformly heating the entire plate and reducing heat transmitted to the main body.

[0013]

According to one aspect of the present invention, there is provided an electric appliance having a cooking device body having a container-like storage portion and a plate heated by a heating member. In the cooker, the plate is formed with a plurality of grooves having a concave cross section on one side at predetermined intervals, and the other side is flat.
It is characterized by being detachably attached to the cooking appliance main body, with a desired one of the surfaces as an upper surface.

According to the electric cooker according to the first aspect of the present invention, the user selects a desired plate surface in accordance with the type of cooking, and sets the plate as the upper surface to place the plate on the cooker. Can be attached to the body. For example,
In the case of dishes such as grilled meat that produce oil or meat juice, use the surface with the groove formed on the surface, and the oil or meat juice produced during cooking will accumulate in the groove. And juice can be prevented from remaining. On the other hand, if it is more suitable to cook on a flat plate, such as a hot cake, use a flat surface to make a dish with a uniform grilled color and a good shape. Can be made.

According to a second aspect of the present invention, in the electric cooker according to the first aspect, a peripheral groove is formed along an outer periphery of the plate, and the peripheral groove and the plurality of grooves are formed. It is characterized in that it is configured to communicate. According to the electric cooker according to claim 2 having the above-described configuration, in the case of cooking in which oil or meat juice such as grilled meat comes out, the cooking surface is prepared by using the surface on which the groove is formed in front. The oil or meat juice that has flowed out into the groove accumulates in the groove and flows into the peripheral groove, so that it is possible to prevent excess oil and meat juice from remaining on the plate.

According to a third aspect of the present invention, in the electric cooker according to the second aspect, a plurality of grooves formed on one surface of the plate are inclined toward the peripheral groove. Things. Claim 3 having the above configuration.
According to the electric cooker described in (1), by inclining the plurality of grooves formed on one side of the plate, the oil and meat juice accumulated in the grooves can easily flow into the peripheral groove, so that the plate It is possible to more effectively prevent excess oil and gravy from remaining on the top.

According to a fourth aspect of the present invention, in the electric cooker according to any one of the first to third aspects, the plurality of grooves formed on one surface of the plate and the heating member are orthogonal to each other. It is characterized by being arranged so that it may be. According to the electric cooker according to claim 4 having the above-described configuration, the heating member and the groove formed on one surface of the plate are arranged to be orthogonal to each other. Uniform in the groove. As a result, the heat transmitted from the heating member to the plate is also uniform, so that the heat distribution over the entire plate is uniform, and uneven burning is eliminated.

According to a fifth aspect of the present invention, in the electric cooker according to any one of the first to fourth aspects, a predetermined gap is formed between the plate and the heating member. It is a feature. According to the electric cooker according to claim 5 having the above-described configuration, instead of directly heating the plate, the air between the plate and the heating member is heated, and the heated air is heated. Therefore, the entire plate can be heated uniformly, so that the heat distribution of the entire plate can be further uniformed.

According to a sixth aspect of the present invention, in the electric cooker according to any one of the first to fifth aspects, a predetermined gap is formed between the heating member and the cooker main body. It is characterized by the following. According to the electric cooker according to claim 6 having the above-described configuration, since heat transmitted to the cooker main body side can be reduced, it is possible to prevent the cooker main body from being abnormally heated, and It is possible to prevent an accident such as a burn when moving the cooker.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings.

[1. First Embodiment] The present embodiment relates to an electric cooker configured to utilize both sides of a plate.

In the electric cooker according to the present embodiment, as shown in FIG. 1, a plurality of oil grooves 22 having a concave cross-sectional shape are formed in parallel on one surface of a plate 21 at predetermined intervals. The other surface of the plate is configured to be flat (hereinafter, referred to as a flat surface 21b). Further, side walls 23a and 23b each having a predetermined height are formed on the outer periphery of both surfaces of the plate 21. Then, when a desired plate surface is selected according to the type of cooking and the plate is attached to the main body with the surface facing upward, the side wall portion 23a or 23b is configured to function as a leg portion of the plate. I have.

Further, as shown in FIG. 2, a peripheral groove 24 having a predetermined width is formed along the outer periphery of the uneven surface 21a of the plate, and the peripheral groove 24 and the plurality of oil grooves are formed. 22 are connected to each other.

The electric cooker according to the present embodiment having such a structure operates as described below. That is, when using this electric cooker to heat cook roasted meat, hot cake, or the like, first, the user selects a desired plate surface according to the type of cooking, and places the plate on the main body with the surface as the upper surface. Attach to For example, in the case of a dish that emits oil or gravy, such as grilled meat, the uneven surface 2 on which the oil groove 22 is formed
By using 1a as a table, the oil or meat juice generated during cooking accumulates in the oil groove 22 and flows into the peripheral groove 24 formed around the plate. Will not remain.

[0025] Thus, it is possible to prevent the surplus oil and meat juice remaining on the plate surface from being further heated and scattered around, or from being scorched on the plate surface. In addition, it is possible to prevent oil, meat juice, and the like remaining on the plate from adhering to other meat, vegetables, and the like, thereby deteriorating the taste of the dish.

On the other hand, in the case where it is more suitable to cook on a flat plate such as a hot cake or okonomiyaki, the flat surface 21b is used in a face-up manner.
You can cook well-shaped hot cakes and okonomiyaki whose surface color is uniform.

This embodiment can also be configured as follows. That is, the oil groove 22 itself may be slightly inclined, or the center of the plate may be configured to be slightly higher than the peripheral edge so that the oil or meat juice accumulated in the oil groove 22 easily flows into the peripheral groove 24. In addition, by providing the peripheral groove 4 with a discharge hole, it is possible to adopt a configuration in which oil, meat juice, and the like accumulated in the groove can be taken out.

[2. Second Embodiment] This embodiment is a further improvement of the electric cooker shown in the first embodiment, and relates to the arrangement of a heater.

That is, in the electric cooker according to the present embodiment, as shown in FIG. 3, a long portion 25a of a substantially U-shaped heater 25 disposed at a lower portion of the plate is formed on one surface of the plate. It is arranged so as to be orthogonal to the formed oil groove 22. Further, in order to arrange the long portion 25a of the heater 25 and the oil groove 22 at right angles, a positioning member (not shown) that engages with both the plate 21 and the main body.
Is provided. As the positioning member, for example, a projection may be provided on the plate side, and a hole or a concave portion that engages with the projection may be provided on the main body side. Conversely, a projection may be provided on the main body side, and the projection may be provided on the plate side. An engaging hole or recess may be provided.

The electric cooker according to the present embodiment having such a configuration operates as described below. That is, as shown in FIG. 4, when the uneven surface 21a of the plate is used on the front side, the flat surface 21b of the plate faces the heater 25, so that the heat generated from the heater 25 The light is transmitted to the flat surface 21b. The heat transmitted to the flat surface of the plate in this manner is transmitted to the opposite side of the plate. In this case, the concave portion on the concave-convex surface is closer to the heater 25 than the convex portion, and thus is easily heated. .

In addition, as shown in FIG. 5, when the long portion 25a of the substantially U-shaped heater 25 is arranged in parallel with the oil groove 22 formed on one side of the plate, the heater 25 And an oil groove located directly above the heater and an oil groove located apart from the heater. For this reason, the heat transmitted to the convex portion of the oil groove located apart from the heater 25 is greatly different from the heat transmitted to the concave portion of the oil groove located directly above the heater 25. As a result, the heat transmitted to the uneven surface 21a on the front side becomes non-uniform, so that uneven burning occurs.

On the other hand, in the electric cooker according to the present embodiment, as shown in FIG. 3, the elongated portion 25a of the substantially U-shaped heater 25 is provided with the oil groove 22 formed on one surface of the plate. Therefore, the area where the heater 25 overlaps the oil groove 22 is made uniform in each oil groove 22. As a result, the heat transmitted from the heater 25 to the uneven surface 21a on the front side via the flat surface 21b is also uniform, so that the heat distribution over the entire plate is made uniform and uneven burning is eliminated.

On the other hand, as shown in FIG. 6, when the flat surface 21b of the plate is used on the front side, since the uneven surface 21a of the plate faces the heater 25, the heat generated from the heater 25 is First, it is transmitted to the uneven surface of the plate.

In this case, as shown in FIG. 5, if the long portion 25a of the substantially U-shaped heater 25 is arranged in parallel with the oil groove 22 formed on one side of the plate, And an oil groove that does not overlap at all. Furthermore, since the distance between the concave portion of the oil groove 22 and the convex portion on both sides thereof is different from the heater 25, the heat transmitted to the concave portion of the oil groove that does not overlap with the heater 25 and the oil that overlaps with the heater 25 It is very different from the heat transmitted to the convex part of the groove. As a result, the heat transmitted to the flat surface 21b on the front side also becomes non-uniform, so that uneven burning occurs.

On the other hand, in the electric cooker according to the present embodiment, as shown in FIG. 3, the elongated portion 25a of the substantially U-shaped heater 25 is provided with the oil groove 22 formed on one surface of the plate. Therefore, the area where the heater 25 overlaps the oil groove 22 is made uniform in each oil groove 22. As a result, since the heat from the heater 25 is uniformly applied to the plurality of oil grooves 22, the heat transmitted to the front flat surface 21b is also uniform,
The heat distribution over the entire plate is made uniform, and uneven baking is eliminated.

[3. Third Embodiment] This embodiment is a further improvement of the electric cooker shown in the first and second embodiments, and is provided between the plate and the heater, and between the heater and the bottom of the main body. And a gap is provided between them.

That is, also in the present embodiment, similarly to the first embodiment, side walls 23a and 23b having predetermined heights are formed on the outer periphery of both surfaces of the plate. Then, when a desired plate surface is selected according to the type of cooking and the plate is attached to the main body with the surface facing upward, the side wall portion 23a or 23b functions as a leg portion of the plate, and the plate and the heater , And between the heater and the bottom of the main body.

The heights of the side walls 23a and 23b may be set in advance so that predetermined gaps are formed between the plate and the heater and between the heater and the bottom of the main body. It may be configured such that it can be adjusted in several stages.

The electric cooker according to the present embodiment having such a configuration operates as described below. That is, by providing a predetermined gap between the plate and the heater,
Rather than directly heating the plate, the air in the space is heated, and the entire plate can be uniformly heated via the heated air, so that the heat distribution of the entire plate is further uniformed. be able to.

Further, by providing a predetermined gap between the heater and the bottom of the main body, the heat transmitted to the main body can be reduced, so that the main body can be prevented from being abnormally heated, and the electric cooker can be prevented. It is possible to prevent an accident such as a burn when moving the vehicle.

[4. Other Embodiments] The present invention is not limited to the above-described embodiment, and the heater 2
The positioning member provided for disposing the long portion 25a and the oil groove 22 at right angles to each other is not limited in its material, shape, number of installations, and the like, and can be appropriately changed. Further, the shape of the oil groove 22 formed in the plate 21 is not limited to a linear shape as in the above-described embodiment, and can be set as appropriate, such as the shape shown in FIG. In this case,
As shown in FIG. 7B, the shape of the heater 25 may be changed according to the shape of the oil groove 22 formed in the plate 21 so that each oil groove is orthogonal to the heater. desirable.

Further, in the electric cooker of the present invention,
Although a predetermined gap is provided between the plate and the heater, the gap may be adjusted. For example, the heater can be configured to be vertically movable, or the height of the plate can be adjusted. This allows for further fine adjustment in addition to the conventional temperature adjustment with the temperature adjustment knob. It is needless to say that the shape of the plate itself is not limited to a circle, but may be a rectangle, an ellipse, or the like.

[0043]

As described above, according to the present invention,
A wide-ranging electric cooker in which one side of the plate is configured as an uneven surface and the other side as a flat surface so that both sides can be used, so that a desired plate surface can be selected and used according to the type of cooking. Can be provided.
Further, by disposing the heater disposed on the lower surface of the plate in a direction perpendicular to the oil groove, it is possible to provide an electric cooker in which the heat distribution is made uniform. Further, by providing predetermined gaps between the plate and the heater and between the main body and the heater, the air in the space is heated, thereby uniformly heating the entire plate and transferring heat to the main body side. Can be provided.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a configuration of a first embodiment of the present invention.

FIG. 2 is a plan view showing an uneven surface of a plate.

FIG. 3 is a view showing a configuration of a second embodiment of the present invention, and is a schematic view showing a state in which a heater and an oil groove are arranged orthogonally;

FIG. 4 is a cross-sectional view showing a state where an uneven surface of a plate is on a front side;

FIG. 5 is a schematic diagram showing a state in which a heater and an oil groove are arranged in parallel.

FIG. 6 is a sectional view showing a state in which a flat surface of a plate is turned to a front side;

FIG. 7A is a plan view showing a modification of an oil groove formed in a plate, and FIG. 7B is a schematic view showing a state in which a heater and an oil groove are arranged orthogonally.

FIG. 8 is a plan view showing an example of a conventional electric cooker.

9 is a sectional view taken along line AA of FIG. 8;

FIG. 10 is a plan view showing another example of the conventional electric cooker.

11 is a sectional view of FIG.

FIG. 12 is a view showing the back surface of the plate of the electric cooker shown in FIG. 10;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Cooker main body 2 ... Heater 3 ... Heating plate 4 ... Slit-shaped opening 11 ... Pan body 12 ... Plate 13 ... Oil flow groove 14 ... Annular groove 15 ... Rising edge 16 ... Depression 21 ... Plate 21a ... Uneven surface 21b ... Flat surface 22 ... Oil groove 23 ... Side wall 24 ... Peripheral groove 25 ... Heater

Claims (6)

[Claims] 1. A cooking device main body having a container-like storage portion formed therein,
In an electric cooker provided with a plate heated by a heating member, the plate is formed on one surface thereof with a plurality of grooves having a concave cross-sectional shape at predetermined intervals, and the other surface is configured to be flat. An electric cooker which is detachably attached to the cooker main body with a desired surface of the two front and back surfaces as an upper surface. 2. The plate according to claim 1, wherein a peripheral groove is formed along an outer periphery of the plate, and the peripheral groove communicates with the plurality of grooves. Electric cooker. 3. The electric cooker according to claim 2, wherein a plurality of grooves formed on one side of the plate are inclined toward the peripheral groove. 4. The heating device according to claim 1, wherein a plurality of grooves formed on one surface of the plate and the heating member are arranged to be orthogonal to each other. Electric cooker. 5. The electric cooker according to claim 1, wherein a predetermined gap is formed between the plate and the heating member. 6. The electric cooker according to claim 1, wherein a predetermined gap is formed between the heating member and the cooker main body.