JPH0129287B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a timer device in which a time can be set by rotating a shaft or the like.

Conventional structure and its problems In recent years, it has been equipped with a drive source, a transmission section, a switch section, an alarm section, etc., and the operation of the drive source is started by rotating the shaft, etc., and the switch section is activated to control equipment, etc. Ovens, microwave ovens, and ovens are equipped with time-limiting devices that operate a switch section and an alarm section as a result of changes over time in the transmission section that operates under the action of the drive source, and then notify the user that the energization has been cut off and the set time has expired. Used in electric cooking devices such as toasters.

On the other hand, among electric heating cooking appliances incorporating the above-mentioned timer, for example, electric heating cooking appliances capable of roasting toast, such as toaster ovens, are required to have multiple functions in a single timer.

In other words, a toaster oven is an electric cooking device that has a relatively wide range of cooking functions, such as toast of various thicknesses, hot dogs, gratin, kutsuki, and even mochiyaki. It has become extremely popular due to its simplicity and the westernization of eating habits. However, the reality is that toaster ovens are mostly used for toast cooking, and there is a strong desire to replace conventional toasters with improved toast roasting functionality. In other words, when toasting is performed in a toaster oven, especially when toasting is performed continuously, the setting time of the timer must be changed between the first time and the second time in order to achieve the same toast color. Nakatsuta. Furthermore, as the interval between roasting and subsequent roasting changes, it is necessary to change the set time for the second and subsequent roasting, which is extremely inconvenient in practice.

In order to solve the above problem, it is necessary to use a timer for toast and a timer for cooking other than toast, and to add a correction function to the toast timer that can take into account the set time for continuous baking. It won't happen. However, in this case, needless to say, two types of timer devices are required, resulting in an increase in cost.

Purpose of the Invention It is an object of the present invention to solve the above-mentioned conventional drawbacks, and to make it possible to uniformize the browning color during continuous toast roasting with one type of timer, and also to enable cooking other than toast roasting. That is.

Structure of the Invention In order to achieve the above object, the present invention includes a time setting device having an operation knob and a crown for setting a time limit, and a thermally responsive element energized so as to be in constant contact with the crown, When the thermally responsive element is displaced in a direction away from the heaven due to a rise in temperature,
A means is provided to forcibly release the thermally responsive element from contacting the top. With this configuration, during continuous toasting, the thermally responsive element, which is displaced as the temperature rises, Toast roasting can be performed by determining the time to temporarily stop the operation of the time setting device until the end of contact with Tenfu, and when cooking other than toast roasting, the heat Since a means is provided to forcibly release the contact of the thermally responsive element to the top, cooking can be performed by determining the cooking time using only the time setting device, regardless of the displacement of the thermally responsive element. .

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 and 2.

In FIGS. 1 and 2, reference numeral 1 denotes a time setting device, which is equipped with a drive source, a transmission section, a switch section, an alarm section, etc. inside, and a rotation shaft 2, a rotation shaft 2
It is equipped with an operation knob 3 and a top 4 attached to the top. Reference numeral 5 denotes a thermally responsive element, which is attached to a fixing plate 7 via a fixing base 6. Note that the fixed plate 7 is biased by a leaf spring 8 so that the thermally responsive element 5 comes into contact with the crown 4. When the thermally responsive element 5 is in contact with the crown 4, the operation of the time setting device 1 is stopped. 9
is a cam, and 10 is a connecting knob that operates the cam 9. When the connecting knob 10 is operated to rotate the cam 9, the fixed plate 7 is lowered against the biasing force of the leaf spring 8, and the thermally responsive element 5 is is moving away from Tenfu 4.

In the above configuration, when performing toast roasting, as shown in FIG.
The stationary position is as shown in the figure. Next, when the operating knob 3 is operated in the direction of setting the time, the switch section inside the time setting device 1 is closed and the supply of electricity to the heater of the toaster oven is started. By operating this operating knob 3, the balance 4 is brought into contact with the thermally responsive element 5, and the time setting device 1 is inactive. When the heater starts to be energized, the thermally responsive element 5 is displaced based on a preset time constant, and when it is displaced to the position shown by the dotted line in FIG.
The contact between the spring 4 and the thermally responsive element 5 is released, and the time setting device 1 starts operating. Then, when the time setting device 1 operates for the set time and completes its operation,
A switch section inside the time setting device 1 is opened and power to the heater is cut off. In other words, the time for energizing the heater is from the time when the operation knob 3 is operated.
The time it takes for the thermally responsive element 5 to leave the Tenfu 4,
This is the sum of the time during which the time limit setting device 1 is operating.

Next, when toasting is performed continuously, the thermally responsive element 5 does not return to its original state even if the operating knob 3 is operated, and the thermally responsive element 5 and the thermally responsive element 5
Since there is no contact, the time setting device 1 immediately starts operating.

That is, in this case, the time during which the heater is energized is only the time during which the time limit setting device 1 is operating.

In this way, compared to the first time of toast roasting, 2
The time required for the heater to be energized for the second time is shortened, and the browning of the toast can be kept constant.

Therefore, toast can be roasted to the desired color even during continuous roasting by simply adjusting the setting position of the operating knob 3 to a position that indicates the desired color.

On the other hand, when cooking other than toast toasting, as shown in FIG. The thermally responsive element 5 and the top 4 are separated regardless of whether or not the thermally responsive element 5 is displaced. Next, when the operation knob 3 is operated to set the time for energizing the heater, the heater is energized for the set time.

Next, a second embodiment of the present invention will be described with reference to FIGS. 3 and 4.

In addition, in Figures 3 and 4, Figures 1 and 2
Components that are the same as those in the figures are given the same numbers and their explanations will be omitted.

In FIGS. 3 and 4, 11 is a guide shaft;
Reference numeral 12 designates a lifting platform that moves up and down guided by a guide shaft 11; 13 a spring that constantly urges the lifting platform 12 up and down; and 14 a lifting platform operating knob provided on the lifting platform 12. 15 is an arm fixed to the rotating shaft 2; 16 is provided at the tip of the arm 15; when the elevator platform 12 is lowered, it is pressed downward;
This is a pressing part that rotates the button downward. Reference numeral 17 denotes a connecting lever, which is biased by a spring 18 in the direction of lowering the fixed plate 7. This connecting lever 17 is activated by the spring 18 when the lifting table 12 is lowered.
The fixing plate 7 is rotated against the urging force of the fixing plate 7, and the fixing plate 7 is no longer pressed downward.

In the above configuration, when toast roasting is performed, when the lifting table 12 is lowered against the biasing force of the spring 13, the pressing part 16 is pressed by the lifting table 12, and the arm 15 is rotated. This rotation of the arm 15 also rotates the operating knob 3 and the rotation shaft 2, thereby setting the time limit of the time limit setting device 1. Further, as the elevator platform 12 descends, the lever 17 is rotated against the biasing force of the spring 18, so the downward pressure on the fixed plate 7 is released, and the fixed plate 7 is placed in the normal position (the position shown by the solid line). ). Therefore, the relationship between the thermally responsive element 5 and the baking sheet 4 is the same as that in the previous embodiment when roasting toast.

On the other hand, when cooking other than toast roasting,
Since the lifting platform 12 is rising and the connecting lever 17 is biased by the spring 18 and rotates to press the fixed plate 7 downward, the thermal response between the top 4 and the thermally responsive element 5 is independent of whether or not the thermally responsive element 5 is displaced. Element 5 is separated. Therefore, only the time set in the time setting device 1 by operating the operating knob 3 becomes the cooking time.

Effects of the Invention As is clear from the above description, according to the present invention, there is provided a thermally responsive element that temporarily stops the operation of the timer setting device, and a contact between the thermally responsive element and the top provided in the timer setting device. Since a means for forcibly canceling is provided, different time limit functions can be achieved using one time limit setting device, and thereby a time limit device can be obtained at an extremely low cost.

[Brief explanation of drawings]

Fig. 1 is a front view of a timing device showing one embodiment of the present invention during toast roasting, Fig. 2 is a front view of the timing device during cooking, and Fig. 3 shows another embodiment of the invention. FIG. 4 is a side view of the timing device, and FIG. 4 is a front view of the timing device. 1...Time limit setting device, 3...Operation knob, 4...
...Tenfu, 5...thermal response element, 7...fixing plate, 8...
...Plate spring, 9...Cam, 10...Connection knob, 1
2... Lifting platform, 14... Lifting platform operation knob, 15
...Arm, 17...Lever.

Claims (1)

[Claims] 1. A time limit setting device having an operation knob and a crown for setting a time limit, and a thermally responsive element that is energized so as to be in constant contact with the heaven, and the thermally responsive element moves away from the heaven as the temperature rises. A timer that is displaced and has a means for forcibly releasing the contact of this thermally responsive element with the heaven.