JP2600147B2 - High frequency heating equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a saucer used for a heating cooker such as an oven and a microwave oven.

2. Description of the Related Art In a conventional high-frequency heating apparatus, as a method of rotating an object to be heated housed in a heating chamber, as shown in FIGS. 7 and 8, a rotating table 22 on which a tray 21 on which an object to be heated 20 is mounted is heated. A method of mechanically rotating the turntable 22 directly from below the heating chamber, as shown in FIGS. 9 and 10, by rotating the turntable 23 directly from below the heating chamber. Meanwhile, a dimension provided with a plurality of rollers 24 and a roller ring 25 as a support member for the rollers under the turntable 23, a permanent member provided at the lower portion of the rotating body 26 as shown in FIGS. A second rotating body 29 having a permanent magnet 28 is provided below the bottom plate of the heating chamber in opposition to the magnet 27. By rotating the rotating body 29, the rotating body 29 is attracted or repelled by the permanent magnet 28.
There is a method of driving the motor 26 and providing a plurality of rollers 24 and a roller ring 25 for supporting the rollers 24 below the rotating body 26.

Problems to be Solved by the Invention However, in such a high-frequency heating apparatus, in the case of FIG. 7, the pan and the turntable 22 are separately provided as shown in FIG. In the case of FIG. 9, the tray 21, the turntable 23, the roller 24 and the roller ring 25 are separately provided as shown in FIG. In the case of FIG. 11, the tray 21, the turntable 26, the roller 24 and the roller ring 27 are separately provided as shown in FIG.

In addition, as a method of heating an object to be heated, there is a composite device having a heat source such as a heater or a gas in addition to a high-frequency generation source. As shown in JP-A-59-61497, there is a saucer with a foot, a saucer, and a scoop net on the saucer with a foot. I'm trying to
As shown in FIGS. 7 to 12 showing a conventional example, a turntable (turntable) and a receiving tray are separately provided. When the rotary table 22 is directly driven by the motor 30 as shown in FIG. 7, the durability of the motor 30 is significantly reduced because the weight of the object to be heated 20 is directly added to the motor 30. It is necessary to make the performance of the motor 30 durable and high in cost, which is not only economically problematic, but also the unstable central support makes the very unstable pan support, so that an object is placed in the center of the pan. There is also a problem that there is a psychological burden so that it is very difficult to improve usability.
To improve this, a roller is provided under the turntable as shown in FIGS. 9 and 11, and the weight of the object to be heated is supported by the roller to ensure transmission of the driving source. There is a problem that it is very difficult to reduce the number of accessories around the table as shown in FIGS. 9 and 11 to improve usability and reduce costs.

An object of the present invention is to solve such a conventional problem and to reduce the number of accessories around a saucer, to improve usability, to reduce costs, and to provide an economical device. .

Means for solving the problems To achieve the above object, the high-frequency heating device of the present invention,
A main body in which a door is provided to be openable and closable at a front opening, a high-frequency source for supplying high-frequency power to a heating chamber provided in the main body, and a heat source for heating an object to be heated housed in the heating chamber;
A saucer on which an object to be heated is placed, a saucer for placing the saucer at a fixed height, a turntable provided on a floor plate in the heating chamber, and a plurality of rollers provided below the turntable. A roller ring for rotatably supporting the roller, a motor for rotationally driving the rotating body, and transmission means for transmitting the power of the motor to the rotating body, and the pan, the pan foot, and the turntable are integrally formed. It is a configuration provided.

The high-frequency heating device of the present invention opens the door at the front opening of the main body, installs a roller ring with a plurality of rollers at the bottom of the heating chamber, and places a pan, a pan foot, and a turntable on the roller ring. The object to be heated can be placed on the object-to-be-heated mounting table integrated with the object, and the door can be closed to start heating. That is, the number of accessories related to the saucer is minimized compared to the conventional one, and the usability is further improved, and since the saucer, the saucer for the saucer and the turntable are integrally formed, it becomes very inexpensive, This has the effect that an economical high-frequency heating device can be provided.

Embodiment Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 1, a door 3 is provided at an opening of a heating chamber 2 provided in a main body 1 of the high-frequency heating device so as to be openable and closable. The high frequency generated by the high frequency heating device (not shown) is guided to the heating chamber 2 by the waveguide 4. A cover 6 made of a low-loss dielectric is provided at a power supply port 5 of the waveguide 4. In the concave portion 7 below the heating chamber 2, a receiving tray 8 is provided integrally with a rotating body 8a and a receiving tray 8b for positioning the receiving tray 8 at a fixed height. A motor 10 for rotating the tray 8 is provided outside the lower portion of the heating chamber 2, and the power is transmitted by a connecting portion 8 c provided integrally with the tray 8 via a rotating shaft 11 that transmits the rotational force of the motor 10. In order to rotate the object 9 to be heated in a well-balanced manner, a roller 12 is provided below the pan to support the weight of the object 9 while rolling. The roller 12 is rotatably supported by a roller ring 13. Behind the heating chamber 2, a heater as another heat source
14 shows a state in which a hot air is circulated in a heating chamber by a fan 15 as shown by an arrow to make the object 9 to be heated.

The tray 8 is provided with a foot 8b for circulating hot air under the tray in order to efficiently heat the burnable material 9.

FIG. 2 is an external view of the tray 8 viewed from below. Joint
8c, the foot 8b, and the rotating body 8a can be seen.

 FIG. 3 is an enlarged view of a main part of FIG.

FIG. 4 shows an external perspective view of accessories such as the tray 8 and the like. 3A is an external perspective view of the tray 8 in which the rotating body 8a, the foot 8b, and the like are integrated. "b" is an external perspective view of a unit state in which three rollers 12 are rotatably supported by a roller ring 13.

FIG. 5 is an exploded perspective view of the tray of the present invention.
(A) is a saucer 8, (b) is a rotating body 8a and a saucer 8b,
(C) shows an external perspective view of the connecting portion 8c.

FIG. 1 shows the heater 14 as a heat source, but FIG. 6 shows another embodiment in which gas is the heat source and the connection between the rotating body and the motor uses a permanent magnet.

The pan 8 on which the object 9 is placed has a pan foot 8b and a rotating body.
As a transmission means for transmitting the rotation of the motor 8a and the motor 10, a permanent magnet 8d is provided below the rotating body portion 8a of the tray 8 with a nonmagnetic cover 8e. Outside the heating chamber 2, a second rotating body 16 provided with a permanent magnet 8 f opposite to the permanent magnet is provided with a motor 10.
Driven by On the other hand, behind the heating chamber 2, a burner 17 using gas as a heat source and a fan 15 for circulating the hot air burned by the burner 17 in the heating chamber 2 are provided below. Dotted lines indicate hot air.

Effects of the Invention As described above, according to the high-frequency heating device of the present invention, the following effects can be obtained.

(1) Since there are a plurality of rollers at the lower part of the saucer rotating body and a coupling shaft at the lower center, even if a heavy object to be heated is placed on the saucer, the load applied to the roller shaft is reduced.
The tray can be driven to rotate smoothly even with a relatively weak motor torque.

(2) The load applied to the roller shaft even if it has a magnet part at the lower part of the pan rotating body and has a plurality of rollers and a coupling shaft in the center, and even if a heavy object to be heated is placed on the pan. Therefore, the pan can be smoothly rotated even with relatively weak magnetic coupling.

(3) If the saucer is removed outside the heating chamber after cooking, the heating chamber can be easily cleaned and provided as an easy-to-use high-frequency heating apparatus.

(4) When setting a saucer for cooking, the number of accessories is smaller than before and it is easier to set.
Also, when removing, storing and cleaning accessories, the number of accessories is small and easy to handle,
An easy-to-use device can be provided.

(5) Since the rotating body, the connecting part, the foot, and the receiving part are integrated, the number of parts is reduced, the product is simplified, and a very economical high-frequency heating device can be provided.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a high-frequency heating apparatus according to one embodiment of the present invention, FIG. 2 is a bottom view of the same pan, FIG. 3 is a cross-sectional view of the same pan section, FIG. 5 is a perspective view of the essential part, FIG. 6 is a sectional view of the essential part showing another embodiment of the present invention, FIG. 7 is a sectional view of a conventional example, FIG. 8 is an exploded perspective view of the essential part, FIG. 9 is a cross-sectional view of another conventional example, FIG. 10 is an exploded perspective view of the relevant part,
FIG. 11 is a cross-sectional view of another conventional example, and FIG. 12 is an exploded perspective view of the main part. DESCRIPTION OF SYMBOLS 1 ... Body, 2 ... Heating room, 3 ... Door, 4 ... Waveguide, 5 ... Power supply port, 6 ... Cover, 7 ... Recessed part, 8 ...
Pan, 8a ... Rotating body, 8b ... Pan, 8c ... Joint, 8d ... Permanent magnet, 8e ... Cover, 8f ... Permanent magnet,
9: Heated object, 10: Motor, 11: Transmission shaft, 12:
Roller, 13 ... Roller ring, 14 ... Heater, 15
… Fan, 16… second rotating body, 17… burner.

Claims (3)

(57) [Claims] 1. A main body having a door openable and closable at a front opening, a high-frequency source for supplying high frequency to a heating chamber provided inside the main body, and an object to be heated housed in the heating chamber. A heat source, a pan on which the object to be heated is placed, a pan foot for positioning the pan at a fixed height, a turntable provided on a floor plate in a heating chamber, and a plurality of turns provided at a lower portion of the turntable. Rollers, a roller ring that supports the roller for rotation, and a motor that rotationally drives the rotating body,
A high-frequency heating apparatus comprising: a transmission unit that transmits the power of the motor to the rotating body; and a structure in which the pan, a pan foot, and a turntable are integrally provided. 2. A transmission means for transmitting a force of a motor to a rotating body, comprising: a rotating shaft directly connected to the motor; and a connecting portion provided on the rotating body for transmitting the force of the rotating shaft. 2. The high-frequency heating device according to claim 1, wherein: 3. As a transmitting means for transmitting the power of the motor to the rotating body, a magnet provided on the lower side of the rotating body and a magnet provided on the second rotating body provided below the bottom plate of the heating chamber are opposed to each other. The high-frequency heating device according to claim 1, wherein the high-frequency heating device is configured to be provided.