JPH06209863A - Heating cooker - Google Patents

Abstract

PURPOSE:To provide an economical heating cooker which can change a temperature distribution of a cooking plate by a simple structure. CONSTITUTION:The heating cooker is provided with a cooking plate 2 housed so as to be attachable and detachable in a cooker main body 1, a heating means 7 for heating the cooking plate 2, a reflecting plate 4 for reflecting heat of the heating means 7, a holder 8 which is fixed to the reflecting plate 4 and holds one end 7a of the heating means 7 so as to be turanble, and a moving means 9 for moving vertically the other end 7b of the heating means 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating cooker,
More specifically, the present invention relates to a heating cooker equipped with a cooking plate that can be placed on a table or the like to heat and keep warm food while eating.

[0002]

2. Description of the Related Art FIG. 8 is an exploded perspective view of a conventional heating cooker. In the figure, 1 is a main body, 2 is a cooking plate made of a material having good thermal conductivity such as aluminum, and 3a and 3b are two heating plates for heating the cooking plate 2 arranged in the placing portion 1a of the main body 1. The heater is configured to switch the energization according to the cooking specifications such as heating the entire surface (A and B) or the half surface (A or B) of the cooking plate 2. Reference numeral 4 is a reflector for reflecting the heat of the heaters 3a and 3b, 5 is a fixture attached to the reflector 4 for fixing the heaters 3a and 3b, and 6 is a heating temperature (cooking temperature) of the cooking plate 2 or a cooking menu or the like. Then, the operating section to be set switches the energization of the two heaters 3a and 3b based on the operation of the operating section 6.

The conventional heating cooker configured as described above is
The cooking plate 2 is placed on the placing portion 1a and the heaters 3a and 3b are placed.
Energize. As a result, the heaters 3a and 3b generate heat,
The heat conduction and radiant heat heat the cooking plate 2 from the bottom, and the cooking material in the cooking plate 2 is cooked. At this time, the entire surface (A and B) of the cooking plate 2 is heated when only the heater 3a is energized based on the operation unit 6, and the cooking plate 2 is energized when only the heater 3b is energized.
Half (B) is heated. When both the heaters 3a and 3b are energized, the heating temperature of the cooking plate 2 is high on the half surface (B) and low on the half surface (A), and the temperature distribution of the cooking plate 2 can be changed.

[0004]

In the conventional cooking device as described above, the two heaters 3 are operated based on the operation of the operation portion 6.
The energization of a and 3b is switched, whereby the cooking plate 2
The heating temperature (cooking temperature) was adjusted by changing the temperature distribution of. However, in this case, the two heaters 3a,
Since 3b must be provided, the structure of the heating cooker is complicated and the cost is high. Further, since both the heaters 3a and 3b must be energized in order to heat the cooking plate 2 to a high temperature, a large amount of electric power is required, which is uneconomical.

The present invention has been made to solve the above problems, and an object thereof is to provide an economical heating cooker capable of changing the temperature distribution of a cooking plate with a simple structure. It was done.

[0006]

A heating cooker according to the present invention includes a cooking plate detachably accommodated in a cooker body, a heating means for heating the cooking plate, and a reflecting plate for reflecting the heat of the heating means. And a holder fixed to the reflection plate for rotatably holding one end of the heating means, and a moving means for moving the other end of the heating means up and down.

[0007]

When the cooking plate is housed in the cooker main body and the energization of the heating means is started, the heating means generates heat, and the heat conduction and radiant heat heat the cooking plate from the bottom to remove the cooking ingredients in the cooking plate. Cook. At this time, when changing the temperature distribution of the cooking plate, one end of the heating means held by the holder is used as a fulcrum and the other end of the heating means is moved up and down by the moving means to move the bottom surface of the cooking plate and the other heating means. Change the distance between the edges to change the temperature distribution on the cooking plate.

[0008]

【Example】

Example 1. FIG. 1 is a schematic view showing a cross section of a first embodiment of the present invention, and FIG. 2 is an enlarged view of a main part thereof. Note that FIG.
The same parts as those of the conventional example described in 1 are denoted by the same reference numerals, and the description thereof will be omitted.

In the figure, 7 is a heater arranged in the placing portion 1a of the main body 1 for heating the cooking plate 2, and 8 is one end 7a of the heater 7 (hereinafter referred to as a rotating portion 7a). The holder is movably held and is fixed to the reflection plate 4.
Reference numeral 9 denotes a substantially triangular movable member that has a slope 9a and slides horizontally on the reflection plate 4, and is made of a heat-resistant material. Below the movable member 9, the movable member 9 is moved forward and backward (arrows C and D). The knob 10 for moving in the direction) is integrally provided. Further, the other end 7b of the heater 7 (hereinafter referred to as the moving portion 7b) is in contact with the slope 9a, and by moving the movable member 9 back and forth, the heater 7 moves the rotating portion 7a as indicated by the one-dot chain line. Move up and down as a fulcrum. Then, the regulating portions 9b and 9c provided at the upper and lower ends of the inclined surface 9a of the movable member 9, respectively.
The movement range of the moving portion 7b of the heater 7 is regulated by this.

The moving portion 7b of the heater 7 is restricted by the regulating portion 9b.
, The distance E1 between the moving portion 7b of the heater 7 and the bottom surface 2a of the cooking plate 2 and the rotating portion 7a of the heater 7 held by the holder 8 and the bottom surface 2a of the cooking plate 2 are held. Is the same as the distance E2 between (E1 = E2)
When the moving portion 7b of the heater 7 is not held by the regulating portion 9b, the distance E1 between the moving portion 7b of the heater 7 and the bottom surface 2a of the cooking plate 2 is equal to the rotating portion 7 of the heater 7.
It is shorter than the distance E2 between a and the bottom surface 2a of the cooking plate 2 (E1 <E2). And the moving part 7 of the heater 7
The distance E1 when b is held by the restriction portion 9c is the shortest, and the heating temperature of the half surface (A) of the cooking plate 2 is the highest at this time. Although not shown, the movable member 9 is provided with a stopper. After the movable member 9 is moved to an arbitrary position, the movable member 9 is held at that position by the stopper.

Next, the operation of this embodiment will be described. First, the cooking plate 2 is placed on the placing portion 1a, and the energization of the heater 7 is started. At this time, the moving portion 7b of the heater 7 is held by the regulating portion 9b of the movable member 9, and the cooking plate 2
When cooking is performed with the entire heating area (A and B) at the same heating temperature, the movable member 9 is not moved and the moving portion 7b of the heater 7 is not moved.
And the bottom surface 2a of the cooking plate 2 have the same distance E1 and the rotation portion 7a of the heater 7 and the bottom surface 2a of the cooking plate 2 have the same distance E2. Then, the cooking plate 2 is heated from the bottom by heat conduction and radiant heat of the heater 7 to heat and cook the cooking material in the cooking plate 2.

On the other hand, when adjusting the half surface (A) of the cooking plate 2 to a high heating temperature for cooking, the movable member 9 is moved by moving the knob 10 in the direction of the arrow D shown in the figure, and the heater 7 is moved. Moving part 7b and bottom surface 2a of cooking plate 2
Change the distance E1 between and. At this time, the moving portion 7 b of the heater 7 moves along the movement of the movable member 9 so that the slope 9 of the movable member 9 moves.
Since it moves up and down while contacting a, the distance E1 becomes shorter as the moving portion 7b of the heater 7 goes up the slope 9a, and the heating temperature of the half surface (A) of the cooking plate 2 is the half surface (B) of the cooking plate 2. The heating temperature of the half surface (A) of the cooking plate 2 decreases so as to approach the heating temperature of the half surface (B) of the cooking plate 2. .

Then, the heater 7 is moved by the movable member 9 so that the half surface (A) of the cooking plate 2 has a desired heating temperature.
The moving part 7b of the cooking plate 2 is moved upward, and the temperature distribution is changed so that one half surface (A) of the cooking plate 2 becomes high temperature and the other half surface (B) becomes low temperature, for example, fried on the high temperature half surface (A). Cooking is performed, and the cooking ingredients in the cooking plate 2 are cooked while performing heat retention cooking on the low temperature side (B).

Example 2. FIG. 3 is an enlarged view of an essential part of the second embodiment of the present invention. In this embodiment, a holding portion for holding the moving portion 7b of the heater 7 at one end instead of the movable member 9 of the first embodiment. Using a lever 11 having 11a, by moving the other end of the lever 11 up and down (in the directions of arrows F and G) about the center of the lever 11 as a fulcrum, the moving part of the heater 7 is moved as indicated by the one-dot chain line. 7b is moved up and down. Further, a ratchet mechanism 12 is provided in the vicinity of the fulcrum of the lever 11, whereby the lever 1
1 is regulated, and the angle of the lever 11 can be finely adjusted. In addition, 14 is a fulcrum stand which receives the fulcrum of the lever 11.

Also in this embodiment configured as described above, when cooking is performed by changing the temperature distribution in the cooking plate 2 as in the case described in the first embodiment, the heater 11 is moved up and down by moving the lever 11 up and down. By moving the moving unit 7b up and down and changing the distance E1 to change the heating temperature of one half surface (A) and the other half surface (B) of the cooking plate 2,
Cook cooking ingredients.

Embodiment 3. FIG. 4 is an enlarged view of the essential parts of the third embodiment of the present invention. In this embodiment, a cam 15 is used instead of the movable member 9 of the first embodiment. The cam 15 is rotated by moving, for example, a dial type knob (not shown) that is interlocked with the rotating shaft 15a provided, and as shown in FIG. 5, the movement of the heater 7 in contact with the outer peripheral surface 15b of the cam 15 is moved. The temperature distribution of the cooking plate 2 is changed by moving the part 7b up and down. In addition, the cam 15 is provided with a stopper (not shown) that stops when the cam 15 rotates by a certain angle (rotation range θ). When the cam 15 rotates in the rotation range θ, the stopper stops the rotation of the cam 15 and opens the knob. The cam 15 is held in that position until it is moved. In this embodiment, the rotation range θ is less than 340 °. When the rotation range θ is minimum (θ = 0 °), the heater 7 is in a horizontal state, and when the rotation range θ is more than 0 ° and less than 340 °. The heater 7 is tilted. When the rotation range θ is the maximum, the distance E1 is the shortest, and the heating temperature of the half surface (A) of the cooking plate 2 is the highest.

Also in this embodiment configured as described above, when cooking is performed by changing the temperature distribution in the cooking plate 2 as in the case described in Embodiment 1, the knob is moved to an arbitrary position to move the cam 15 to the desired position. Rotate. By this rotation, the moving portion 7b of the heater 7 is moved to change the distance E1 and cooking is performed while adjusting the heating temperature of the cooking plate 2.

In the above embodiment, the cam 15 is rotated by the dial type knob, but the cam 15 may be driven by, for example, a motor.

Example 4. FIG. 6 is an enlarged view of the essential portions of the fourth embodiment of the present invention. In this embodiment, instead of the movable member 9 of the first embodiment, a holding portion 17a of the moving portion 7b of the heater 7 is provided at one end. A movable piece 17 is used which has a fixed shaft 16 fixed to the reflection plate 4 and which penetrates the reflection plate 4, and moves an endless wire 19 of a drive section 18 provided near the movable piece 17. The movable piece 17 is fixed to the fixed shaft 16
It is moved up and down along with, and the moving portion 7b of the heater 7 is moved up and down by this movement.

The drive unit 18 has a pulley 20a, 20b on which a wire 19 is wound, and a rod-shaped support member 21 having a plurality of grooves 21a on one side for supporting the pulley 20a, 20b.
And a lever 22 having a convex portion 22a fitted into the groove 21a of the support member 21 and fixed to the wire 19. The other end of the movable piece 17 is fixed to the wire 19, and when the lever 22 is moved downward (in the direction of arrow J),
The movable piece 17 is pulled up by the wire 19, the moving portion 7b of the heater 7 moves upward, and when the lever 22 is moved upward (in the direction of arrow H), the movable piece 17 moves.
It is pulled down by 9 and the moving portion 7b of the heater 7 moves downward. Thus, by moving the lever 22 up and down, the moving portion 7b of the heater 7 is moved up and down to change the distance E1 and change the temperature distribution of the cooking plate 2. The protrusion 22a of the lever 22 is fitted into the groove 21a of the support member 21 to restrict the movement of the movable piece 17 and hold the movable piece 17 at that position.

Also in this embodiment configured as described above, when cooking is performed by changing the temperature distribution on the cooking plate 2 as in the case described in the first embodiment, the lever 7 is moved up and down to move the heater 7 The moving part 7b is moved and the distance E1 is changed to cook while adjusting the heating temperature.

Embodiment 5. FIG. 7 is an enlarged view of the essential parts of the fifth embodiment of the present invention. In this embodiment, instead of the fixed shaft 16 of the fourth embodiment, a gear 24 is provided on the upper portion and the plate can be rotated by the reflection plate 4. The screw shaft 23 attached to the screw shaft 23 is used to rotate the gear 26 provided in the electric motor 25 so as to mesh with the gear 24. The rotation is transmitted to the gear 24 to rotate the screw shaft 23. The movable part 17b is moved up and down by the rotation of to move the moving portion 7b of the heater 7 up and down. Incidentally, 27 is a fixed base of the electric motor 25 formed by the reflection plate 4.

Also in this embodiment configured as described above, when cooking is performed by changing the temperature distribution in the cooking plate 2 as in the case described in the first embodiment, the electric motor 25 is driven to drive the gears 24, 26. Rotation is performed, and further, the screw shaft 23 is rotated via the gear 24 to change the distance E1 and cooking is performed while changing the heating temperature of the cooking plate 2.

[0024]

As described above, according to the present invention, the cooking plate detachably accommodated in the cooker body, the heating means for heating the cooking plate, the reflecting plate for reflecting the heat of the heating means, and the reflecting plate are provided. Since the holder which is fixed and holds one end of the heating means rotatably and the moving means which moves the other end of the heating means up and down are provided, the temperature distribution of the cooking plate can be easily finely adjusted with a simple structure. In addition, the cost can be reduced by the simplification of the structure, and an economical cooking device with low power consumption can be obtained. Further, by changing the temperature distribution of the cooking plate, two types of cooking can be performed at the same time, and the range of types of dishes that can be used can be expanded.

[Brief description of drawings]

FIG. 1 is a schematic view showing a cross section of a first embodiment of the present invention.

FIG. 2 is an enlarged view of a main part of FIG.

FIG. 3 is an enlarged view of a main part of the second embodiment of the present invention.

FIG. 4 is an enlarged view of a main part of the third embodiment of the present invention.

FIG. 5 is an explanatory view of the operation of FIG.

FIG. 6 is an enlarged view of the essential parts of the fourth embodiment of the present invention.

FIG. 7 is an enlarged view of the essential parts of the fifth embodiment of the present invention.

FIG. 8 is a perspective view of a conventional heating cooker.

[Explanation of symbols]

 1 Main Body 2 Cooking Plate 4 Reflector 7 Heater 7a Rotating Part 7b Moving Part 8 Holding Tool 9 Movable Member 9a Slopes 9b and 9c Restricting Part 10 Knob 11, 22 Lever 12 Latch Mechanism 13 Stopper 15 Cam 16 Fixed Axis 17 Movable Piece 18 Drive unit 19 Wire 21 Support member 23 Screw shaft 24, 26 Gear 25 Electric motor

Claims (1)

[Claims] 1. A cooking plate removably accommodated in a cooker body, heating means for heating the cooking plate, a reflector for reflecting heat of the heating means, and the heating means fixed to the reflector. A heating cooker comprising: a holder for rotatably holding one end of the heating means; and a moving means for moving the other end of the heating means up and down.