JP3275279B2 - Cooking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating cooker for heating a detachable cooking plate with a heating element, and more particularly to a heating cooker for suppressing a rise in temperature of a holding frame for holding the cooking plate. Related to

[0002]

2. Description of the Related Art FIG. 2 shows the structure of a conventional heating cooker of this type. In FIG. 1, reference numeral 1 denotes a cooking plate detachably provided on a cooking device main body 2 having a dish shape as a whole. The cooking device main body 2 includes a heating element including an electric heater such as a sheath heater for heating the cooking plate 1. 3 is built in. Reference numeral 4 denotes a plastic holding frame for holding the cooking plate 1, and the holding frame 4 forms an outer shell of the cooking device main body 2.

One side of the heating element 3 has an opening 4
An electric connection portion 6 having a plurality of insertion terminals 5 arranged in parallel is protrudingly provided on the front end side toward A. Also,
Below the cooking plate 1, a heat shield plate 7 is provided so as to surround the outer periphery of the heating element 3 and block heat from the cooking plate 1 and the heating element 3. On one side of the heat shield plate 7,
An opening 7A through which the electric connection part 6 is inserted is formed, and in order to prevent a contact accident with the electric connection part 6,
The electrical connection portion 6 is covered by a jack-shaped protector 8 provided to face the opening 4 </ b> A of the holding frame 4.
By attaching a power supply unit (not shown) having a power supply terminal corresponding to the insertion terminal 5 to the protector 8, a power supply voltage is supplied from the electric connection unit 6 to the heating element 3,
The cooking plate 1 above the heating element 3 is heated.

[0004]

In the above prior art, the heat of the heating element 3 radiated from the opening 7A of the heat shield plate 7 is prevented from directly reaching the plastic holding frame 4 having poor heat resistance. A protector 8 is provided so as to be in contact with one end surface of the heat shield plate 7. In this case, heat from the heat shield plate 7 is transmitted to the protector 8 via a contact portion between the protector 8 and the heat shield plate 7, so that the protector 8 is made of a heat-resistant member such as a thermosetting resin. However, such a thermosetting resin is inherently expensive, and has a problem that the production cost is increased. In this case, it is conceivable to form the holding frame 4 in a shape in which the power supply unit can be mounted without using the protector 8. Is directly received by the holding frame 4, and there is a possibility that the holding frame 4 cannot be kept at high heat.

In view of the above problems, it is an object of the present invention to provide a heating cooker which has an inexpensive structure and which can sufficiently suppress a rise in temperature with respect to a holding frame.

[0006]

According to the present invention, there is provided a cooking plate detachably mounted on a cooking device main body, a heating element built in the cooking device main body and heating the cooking plate. The cooker body
Forming an outer shell, and spaced apart from the outer end of the cooking plate.
And a holding frame for holding the cooking plate, and shuts off heat from the heating element so as to surround the outer periphery of the heating element.
A heat shield plate is provided to cover the opening of the holding frame.
In a heating cooker provided with a protruding electric connection portion for inserting the heat shield plate on one side of the heating element, the heating cooker is provided above the electric connection portion between the heat shield plate and the holding frame. A heat shield cover is provided separately from the heat shield plate.

[0007]

According to the above construction, the holding which forms the outer shell of the cooking device main body is performed.
Insert the heat shield plate into one side of the heating element facing the opening of the frame
In the case where the electrical connection part is provided to protrude, the heat shield plate
By providing a heat shield cover above the electrical connection between the battery and the holding frame , heat from the heating element to the holding frame located above the electrical connection is blocked. In addition, while providing the heat shield cover in a state separated from the heat shield plate, the heat shield cover and the outer end of the cooking plate
By providing the holding frame and the space apart, an air flow path from the heating element to the outside of the cooking device is formed,
The temperature rise at the bottom of the holding frame below the heat shield cover is also suppressed at the same time. In this case, since the heat shield cover and the heat shield plate are not in contact with each other, and the heat from the heat shield plate is not directly transmitted to the heat shield cover, it is necessary to form the heat shield cover with an expensive thermosetting resin. Absent.

[0008]

An embodiment of the present invention will be described below with reference to FIG. The same parts as those in the conventional example are denoted by the same reference numerals, and detailed description of the common parts will be omitted.

In this embodiment, a heat shield cover 11 formed by bending a metal plate or the like is provided between the heat shield plate 7 and the holding frame 4 instead of the protector 8 made of a thermosetting resin of the conventional example. It is noted that it is located above the electrical connection 6. The heat shield cover 11 has a base end 11A attached and fixed to the inside of the holding frame 4 via screws 12 and a base end 11A.
The end portion 11B located on the inner side of the holding frame 4 and the outer end surface of the heat shield plate 7 are provided in a non-contact state, that is, in a separated state. Then, a first separation portion 13 provided between the heat shield cover 11 and the heat shield plate 7 and a second separation portion provided between the outer end 1A of the cooking plate 1 and the holding frame 4 The portion 14 forms an air flow path 15 from the heating element 3 to the outside of the cooking device main body 2 as shown by an arrow in FIG.

When a power supply (not shown) is mounted through the opening 4A of the holding frame 4, a power supply voltage is supplied to the heating element 3 from the electrical connection section 6, and the cooking plate 1 is heated by the heat from the heating element 3. . At this time, the heat of the heating element 3 is radiated to the electrical connection portion 6 side through the opening 7A of the heat shield plate 7, and the heat shielding cover 11 provided on the electrical connection portion 6 causes the heating element 3 to emit heat. From this, heat to the holding frame 4 located above the electrical connection portion 6 is shut off. Moreover, the opening 7 of the heat shield plate 7
The heat around A is passed through the air passage 15 formed by the first separation portion 13 and the second separation portion 14, and the cooker main body 2
Released to the outside. Therefore, the opening 7 of the heat shield plate 7
The temperature rise around A is suppressed to a minimum by the flow of the air, and this has the effect of also suppressing the temperature rise at the bottom of the holding frame 4 located below the heat shield cover 11.

On the other hand, when the cooking plate 1 is removed from the cooking device main body 2, the upper portions of the holding frame 4 and the heat shield plate 7 are exposed. However, in this embodiment, since the heat shield cover 11 is provided between the holding frame 4 and the heat shield plate 7 so as to cover the upper part of the electrical connection part 6, the power supply unit is mounted on the opening 4A. Thus, even if a metal object such as a spoon or a fork accidentally falls on the upper part of the electric connection part 6, an accident such as a short circuit or an electric shock can be prevented.

As described above, the heating cooker according to the present embodiment has the opening 4A of the holding frame 4 forming the outer shell of the cooker main body 2.
And an electric connection through which the heat shield plate 7 is inserted through one side of the heating element 3.
In the case where the connecting portion 6 is provided so as to protrude, the heat shield plate 7
By providing the heat shield cover 11 above the electrical connection portion 6 between the holding frame 4 and the heat shield 3, heat from the heating element 3 to the holding frame 4 located above the electrical connection portion 6 is shut off. In addition, heat shield cover 11
Is installed in a state where it is separated from the heat shield plate 7 and cooking
With the outer end 1A of the plate 1 and the holding frame 4 separated from each other.
With this arrangement, an air flow passage 15 extending from the heating element 3 to the outside of the cooker main body 2 is formed, so that heat around the opening 7A of the heat shield plate 7 is transferred to the outside through the air flow passage 15. The holding frame 4 is released and located below the heat shield cover 11.
The rise in temperature at the bottom is also suppressed. In this case, heat shield cover
11 and the heat shield plate 7 are in a non-contact state, and the heat from the heat shield plate 7 is not directly transmitted to the heat shield cover 11, so that the heat shield is made of an expensive thermosetting resin like the conventional protector 8. There is no need to form the cover 11. That is, a cooking plate 1 that can be attached to and detached from the cooking device main body 2, a heating element 3 that is built into the cooking device main body 2 to heat the cooking plate 1, and an outer shell of the cooking device main body 2.
Is formed, and while being separated from the outer end 1A of the cooking plate 1,
And a holding frame 4 for holding the cooking plate 1. The heat from the heating element 3 is shut off so as to surround the outer periphery of the heating element 3.
The heat shield plate 7 is provided, and the opening 4A of the holding frame 4 is provided.
In a heating cooker provided with a protruding electric connection portion 6 through which the heat shield plate 7 is inserted on one side of the heating element 3, the electric connection portion 6 between the heat shield plate 7 and the holding frame 4 is provided. Heat shield 7 on top
By providing the heat shield cover 11 at a distance from the support frame 4, it is possible to sufficiently suppress the temperature rise with respect to the holding frame 4 with an inexpensive structure. Further, since the heat shield cover 11 covers the upper part of the electrical connection part 6, there is also an effect of preventing an accident such as a short circuit or an electric shock.

The present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention.

[0014]

According to the present invention, forming a cooking plate detachable from the cooker body, a heating element for heating the cooking plate incorporates the cooker body, the outer shell of the cooking device body
And a holding frame for holding the cooking plate while being separated from the outer end of the cooking plate, and having an outer periphery of the heating element.
A heat shield plate for shutting off heat from the heat generating element is provided so as to surround, and an electrical connection portion that penetrates the heat shield plate to one side of the heat generating element is projected toward the opening of the holding frame. In the heating cooker provided, a heat shield cover is provided on the upper part of the electrical connection portion between the heat shield plate and the holding frame so as to be separated from the heat shield plate. In addition, it is possible to provide a heating cooker capable of sufficiently suppressing a rise in temperature of the holding frame.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of a heating cooker according to an embodiment of the present invention.

FIG. 2 is a sectional view of a main part of a heating cooker showing a conventional example.

[Explanation of symbols]

 1 Cooking plate1A Outer end 2 Cooker body  3 Heating element 4 Holding frame4A opening  6 Electrical connection 7 Heat shield 11 Heat shield

Continuation of the front page (72) Inventor Yoshimitsu Kato 2570-1, Gosuda, Kaji-shi, Kamo-shi, Niigata Inside Toshiba Home Techno Co., Ltd. (JP, A) JP-A-63-102719 (JP, A) JP-A-4-135518 (JP, A) Japanese Utility Model Application No. Sho 62-192331 (JP, U) Japanese Utility Model Application No. Sho 59-188029 (JP, U) ( 58) Fields surveyed (Int. Cl. ⁷ , DB name) A47J 37/06 321

Claims (1)

(57) [Claims] And 1. A cooking device body is detachable cooking plate, a heating element for heating the cooking plate incorporates the cooking device body, and forms an outer shell of the cooker body, the tone
A holding frame for holding the cooking plate while being separated from the outer end of the heating plate , so as to surround the outer periphery of the heating element.
Along with providing a heat shield plate for shutting off heat from the heat generating element, an electric connection portion for inserting the heat shield plate through one side of the heat generating element is provided so as to face the opening of the holding frame. A heating cooker, wherein a heat shield cover is provided above the electrical connection portion between the heat shield plate and the holding frame so as to be separated from the heat shield plate.