JPS5910208B2 - electric cooker - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improved configuration of an electric cooker, and particularly to one that allows the amount of heat generated to be varied simply by setting a timer or temperature regulator to a desired position.

Embodiments of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes an electric cooking device main body, on which a large-diameter disc-shaped hot plate 2 is disposed approximately at the center of the upper surface, and a pair of handles 3 are provided on both sides.
3, and an operating section S for controlling a heating element (not shown) provided in the hot plate 2 is disposed on the front surface.

4 is a cooking container that is detachably placed on the hot plate 2;
It consists of a pot 6 with handles 5, 5 and a lid body 8 with handles 7, 7, and the pot 6 can be used for storing food to be cooked for normal heating cooking, low-temperature continuous cooking such as oden, etc. It enables cooking at a low temperature for a certain period of time, such as when fermenting bread.

The heating element has a diameter of approximately 830 mm as shown in the electrical circuit diagram of FIG.
It consists of a parallel circuit of a high-temperature heating element 9 of W and a low-temperature heating element 10 of about 250W.

The operation section S has a horizontally elongated display window 11 in the approximate center thereof in which a transparent glass 11'' having a base line 11' is arranged, a timer knob 12 connected to a timer, a temperature adjustment knob 13 connected to a temperature controller, etc. The arranged panel frame 14, the movable cable 15 that moves in conjunction with the rotation of the timer knob 12, the indicator needle 16 erected on the movable cable 15, and the movable cable 15 that moves in conjunction with the rotation of the temperature control knob 13. It is composed of a display body 17 displaying the name of the rotating object to be cooked.

A horizontally long notch 18 on the front surface of the cooking device main body 1
, and an L-shaped abutment part 21 is formed on the side surface of the reinforcing panel auxiliary frame 20 in which the see-through window 19 facing the display window 11 is formed, and the abutment part 21 is inserted into the notch part 18 . It is inserted and fixed inside the cooking main body 1 with screws 22.

Although a time scale for displaying time is displayed on the lower surface of the see-through window 19 of the panel auxiliary frame 20, it may also be displayed on the lower surface of the display window 11 of the panel frame 14. There's no need.

Further, the side surface of the panel frame 14 is fixed to the surface of the cooking device main body 1 with screws 23, 23 so as to penetrate through the abutting portion 21.

After fixing the panel frame 14 to the main body 1, the display cover 2 is
4 to hide the screws 23, 23 from view from the outside.

Reference numeral 25 indicates a temperature regulator, which includes a regulator main body 26 having a gas-filled bellows (not shown) inside, a rotating body 27 for rotating the display 17, a temperature rotating shaft 28, and the rotating shaft 28. The temperature control knob 13 for rotating the temperature control knob 13 and the heat-sensitive portion at its tip are arranged on the bottom of the heat plate 2, and the tongue part is driven in response to temperature changes of the heat plate 2 to control the opening and closing of the temperature contact piece 29. The set holding temperature can be increased by rotating the temperature adjusting knob 13 clockwise, and the rotating body 27
An interlocking portion 3 formed on one side of the display body 17 in conjunction with
1, the display body 17 can be rotated upward, and by rotating the temperature adjustment knob 13 counterclockwise, the set holding temperature can be lowered. The rotating body 27 and the interlocking part 3
1 can be rotated downwards.

Reference numeral 32 denotes a spring-type timer for setting the time for energizing the high and low temperature heating elements 9 and 10 that constitute the heating element, and includes a timer main body 33, a bell 34 that notifies the end of cooking, a rotating shaft 35 for the timer, and the rotation thereof. Pulley 3 fixed through shaft 35
6 and the timer knob 12, for example, when the timer knob 12 is rotated clockwise, a spring device (not shown) inside the timer main body 33 generates a stored power that returns counterclockwise. In the energized configuration, up to about 6
A time of 0 minutes can be set, and when the set time has elapsed due to automatic return by the mainspring device, the timer contact piece 35 is opened to cut off the power to the heating element.

Further, the timer knob 12 is set to the OFF point (ie, position B).

), when the spring device is manually rotated counterclockwise, the timer contact piece 35 closes without any return power being applied to the mainspring device, and even if the timer knob 12 is released from this state, it will not return to its original state. The timer contact piece 35 maintains the closed circuit state and continuously energizes the heating element.

Further, rollers 36', 36', 36', 36' are attached to the panel auxiliary frame 20 at positions near the corners of the display body 17, and the rollers 36', 36'
, 36', 36' and the pulley 36, the movable cable 15 is similarly attached with the indicator needle 16, and the timer knob 12 is turned clockwise. The movable cable 15 is strung around the pulley 36 so as to intersect with each other so that the indicator needle 16 moves to the right with respect to the rotation of the movable cable 15.

Reference numeral 37 denotes a changeover switch disposed on the panel auxiliary frame 20 so as to be located near the temperature regulator 25, and controls the energization of the high temperature heating element 9 by opening and closing a changeover contact piece 38 installed inside. This operation is performed by a suppressing body 39 which is rotatably attached to the outside and is loosely provided so as to always close the switching contact piece 38. When the pressing body 39 pushes the pressing piece 40, Said cutting section 3
8 is now open.

Reference numeral 41 denotes a transmission rod having a substantially mouth-shaped shape, which is pulled in the direction of the timer 32 by a spring 42 so as not to press the pressing body 39 all the time, and comes into contact with a stopper 43 and stops, and is supported in a cylindrical shape so that it can easily slide. The left hanging piece 45 supported by the bodies 44, 44 hangs down near the pool IJ-36,
The right hanging piece 46 is bent at four places and hangs down between the temperature regulator 25 and the pressing body 39.

47 is a first protrusion erected on the surface of the pulley 36;
By rotating the timer knob 12 from the off B position to the continuous P position, the left hanging piece 45 of the transmission rod 41 is pushed to the right and the right hanging piece 46→pressing body 39→pressing piece 40→switching contact piece 38 In conjunction with this, the switching contact piece 38 is opened.

Reference numeral 48 denotes a second protrusion formed on the rotating body 27, which controls the temperature control knob 13 in a so-called low temperature area A of 30°C to 60°C.
When the second protrusion 48 is rotated to the right position, the second protrusion 48
Push the piece 46 to the right and open the switching contact piece 38 in the same manner as described above.

Next, the display body 17 will be explained. This display body 1
Reference numeral 7 has a cylindrical shape, and on its surface are arranged the names of the items to be cooked, each having a preset cooking temperature and cooking time, and a display that is linked to this by rotating the temperature adjustment knob 13 clockwise. When the body 17 is rotated to align the name of the desired object to be cooked with the base line 11', the bellows in the cooker main body 26 are automatically adjusted and the temperature is set according to the desired object to be cooked. There is.

Further, on the surface of the display 17, a low temperature cooking area L is formed in a horizontal direction, displaying the name of a low temperature cooking product such as bread fermentation, and the user attempts to cook the item displayed in this low temperature cooking area L. Sometimes, the temperature adjustment knob 13 is rotated to align the low-temperature cooking zone L with the base line 11', as described above, but at this time, the second protrusion 48 is located in the low-temperature zone A, and thereby said second
The protrusion 48 causes the right hanging piece 46 of the transmission rod 41 to move in the right direction against the spring 42, so that the pressing body 39 → the pressing piece 4
In conjunction with the 0→switching contact piece 3B, only the low temperature heating element 10 generates heat.

Also, on the left side of the display 17, a zone T for simmering stew, oden, etc. is displayed, and when you want to cook in this area, turn the timer knob 12 off and turn it counterclockwise from position B continuously to P. Then, the indicator needle 16 is located in the simmering area T and the first protrusion 47
presses the transmission rod 41 to the right against the spring 42, and as described above, the switching contact piece 38 is opened, and only the low temperature heating element 10 generates heat, and the mainspring device does not work, resulting in continuous energization. .

In such a configuration, when it is desired to maintain a constant temperature in the temperature range of 30° C. to 60° C. and cook for a predetermined period of time, that is, when fermenting bread, first adjust the temperature as shown in FIG. Rotate the control knob 13 slightly clockwise to select the low temperature cooking area L of the display 17 (indications such as bread forming fermentation, bread primary fermentation, etc. are displayed in this area).

) is aligned with the base line 11'.

Then, as described above, the second protrusion 48 is connected to the transmission rod 4.
1 by pressing the right hanging piece 46 to open the switching contact piece 38, energizing only the low temperature heating element 10, and opening and closing the temperature contact piece 29 to set a suitable constant temperature within 30°C to 60°C. to hold.

Next, when the timer knob 12 is turned clockwise and the indicator hand 16 is set to the same position as "1 loaf molding fermentation", the first protrusion 47 will be automatically moved to the 30 minute position. 3 with the mainspring device.
Fermented and cooked at low temperature for 0 minutes.

Also, when you want to cook continuously at a suitable temperature, for example,
When it is desired to cook "oden", first rotate the temperature control knob 13 to align the display name "oden" on the display 17 with the base line.

Then, the second protrusion 48 is set so that the temperature is automatically controlled to 140°C, which is suitable for the temperature of the oden, that is, the bellows inside the cooking device main body 26 is set.

Next, when the timer knob 12 is turned counterclockwise and set from the OFF position B to the continuous position P, the indicator needle 16 will be located in the simmering area T, and the user will be able to see what to cook at a glance. You can see if there are any.

As described above, the present invention has a timer and a temperature controller connected in series to a parallel circuit of a low-temperature heating element and a high-temperature heating element connected to a changeover switch, in which the timer and the temperature controller are linked to the rotation shafts of the timer and temperature controller. Since the switching switch is controlled to open and close by swinging the transmission rod, it is possible to switch the heating element with a simple operation, and there is no need to provide a special switching knob on the surface of the main body. .

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the electric cooking appliance of the present invention, Fig. 2 is an enlarged exploded view of the main parts of Fig. 1, Fig. 3 is an enlarged plan view of the main parts of Fig. 1, and Figs. 4 to 6 are the main parts. FIG. 3 is a plan view showing various embodiments of the invention, and FIG. 7 is an electrical circuit diagram of the invention. 9... Heating element for high temperature, 10... Heating element for low temperature, 25... Temperature controller, 32...
・Timer, 38... Selector switch, 41...
...Transmission rod.

Claims (1)

[Claims] 1. In a device in which a timer and a temperature controller are connected in series to a parallel circuit of a low temperature heating element and a high temperature heating element connected to a changeover switch, a transmission unit that is linked to the rotating shaft of the timer and temperature controller is oscillated. An electric cooking appliance characterized in that at least the changeover switch is controlled to open and close.