JPH0830582B2 - High frequency heating equipment - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a high-frequency heating device, which is particularly excellent in designability, can also be applied to a door screen outer plate having a plurality of colors, and is inexpensive and has high mass productivity. A door structure for a high-frequency heating device is provided.

2. Description of the Related Art FIG. 5 is a perspective view showing a door of a conventional high-frequency heating device. In FIG. 5, the door body 1 is provided with a handle 2 for opening and closing the door body, and a hinge pin insertion opening 3 for opening and closing with hinge pins (not shown) fixed on both sides of the high frequency heating device body as an axis. It is provided. A door screen outer plate 4 made of glass or the like is attached to the door body 1. The door screen outer plate 4 is sandwiched by a door sash 5 provided by welding or the like on the door body 1.

Problems to be Solved by the Invention However, there are the following problems in the structure of the door of such a high-frequency heating device.

FIG. 6 is a cross-sectional view showing the structure of a door of a conventional high-frequency heating device. In FIG. 6, at the center of the door inner plate 6 which is fixed to the door body 1 by welding or the like, there is a see-through window portion 7 for seeing through the condition of the object to be heated in a heating chamber (not shown). , Around the door body 1, the radio wave attenuation groove portion 8,
A second radio wave attenuating groove portion 9 and a slit grooved partition plate 10 at the boundary between the two groove portions are provided, and a radio wave attenuating groove cover 11 is provided above the two radio wave attenuating grooves.

Further, the door inner plate 6 is provided with a door screen inner plate 13 attached by a putty 12, and the outside of the door body 1,
The door screen outer plate 4 is held by the door sash 5 and attached by the putty 14, and the condition of the object to be heated housed in the heating chamber of the high-frequency heating device is seen through the two door screens. It was a composition.

However, in such a configuration, since the door sash 5 that sandwiches the door screen outer plate 4 and the door body 1 are integrated by welding or the like, after the door body 1 and the door sash 5 are assembled into a unit, Since the metal surface has a poor appearance and there is a risk of scratching the hands etc. with the edge of the sheet metal, enamel coating is applied, so the color tone of the outer peripheral part of the door screen outer plate 4 and the color tone of the door body 1 are matched. I had to. This means that if the color tone of the door screen outer plate 4 is to be increased, the color tone of the door sash 5, which is the external appearance visible portion of the high frequency heating device, must be increased, as described above. Since the door unit 1 is integrated by welding or the like, the color of each door unit must be changed, but enamel coating is not suitable for multicolor small-quantity production and is suitable for producing a large number of products of the same color. However, there was a problem that changing the color of each door unit would make productivity worse. There is also a method in which the door sash 5 and the door body 1 are not integrated with each other, but the door sash is fixed to the door body 1 with a screw or the like, but this involves a large number of assembly steps, which also deteriorates productivity. was there.

The present invention solves the above-mentioned problems of the related art, has a very simple structure, is excellent in design, and can be applied to a door screen outer plate having a plurality of colors, and is inexpensive and has high mass productivity. The purpose is to make the door structure of the heating device.

Means for solving the problems To achieve the above object, the high-frequency heating device of the present invention,
A door body that is openably and closably provided at the opening of the heating chamber having a punching portion that allows the heating chamber to be seen through in the central portion, a door screen inner plate provided on the heating chamber side of the punching portion of the door body, and A door screen outer plate made of a transparent material provided on the outside of the punching portion of the door body, the door screen outer plate being held by a plate thickness by a plurality of cut-and-raised portions formed in the lower portion of the door body. Moreover, it is configured to be attached to the door body.

Effect The high-frequency heating device of the present invention holds the door screen outer plate of the heating chamber see-through window part with a plurality of cut-and-raised parts provided in the lower part of the door body, and attaches the door screen outer plate and the door body with putty. Therefore, the lower part of the door body, which is the visible part of the high-frequency heating device, is only the thickness of the cut-and-raised portion of the door body that holds the door screen outer plate. There is no discomfort even if the color tone of the door and the color of the door body are different, and on the contrary, the beautiful end face of the transparent body made of glass or plastic used for the door screen outer plate is visible, which makes it excellent in design and further outside the door screen. Even if the color tone of the plate is large, the color tone of the main body of the door may be one color, and it has the effect of being able to cope with many color tone of the outer plate of the door screen.

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

FIG. 1 is a perspective view showing a door of a high frequency heating apparatus of the present invention, and FIG. 2 is a sectional view showing a door structure of the high frequency heating apparatus of the present invention. 1 and 2, the door body 15 has a handle 16 for opening and closing the door body 15, and a hinge pin insertion opening 17 for opening and closing with hinge pins fixed on both sides of the high frequency heating apparatus body as an axis. Is provided. A door screen outer plate 18 made of a transparent material such as glass or plastic is attached to the door body 15. The door screen outer plate 18 is held by a plurality of cut-and-raised portions 19 provided on the lower portion of the door body 15.

Inside the door body 15, a door inner plate 20 fixed to the door body 15 by welding or the like is provided.
There is a transparent window 21 in the center of the heating chamber (not shown) for seeing through the condition of the object to be heated, and in the periphery,
A radio wave attenuation groove portion 21, a second radio wave attenuation groove portion 22, and a partition plate 23 with a slit groove at the boundary between the two groove portions are provided. And a radio wave attenuation groove cover is provided above the two radio wave attenuation groove portions.
24 are provided. A door screen inner plate 25 is fixed to the center portion of the door inner plate 20 by a putty 26, and the door screen outer plate 18 shown in FIG. It is held by a cut-and-raised part 19 provided and fixed by a putty 27.

By having a door structure with such a configuration, there is no door sash made of sheet metal at the lower part of the door that is the external appearance visible part, so the end surface of the door screen outer plate made of glass etc. directly becomes the external appearance visible part, Since it is possible to make the most of the beauty of glass and the like, it is possible to realize a high-frequency heating device with excellent design.

FIG. 3 shows an external perspective view of the high-frequency heating apparatus main body according to the present invention. In FIG. 3, there is a door rotatably supported at the front opening of the heating chamber of the high frequency heating device, and a handle 16 is provided on the door to open and close the door. A screen outer plate 18 is held by a cut-and-raised portion 19 provided at the bottom of the door. Further, an outer frame 28 formed integrally with the operating portion is provided on the outer periphery of the door. The exterior frame 28 has a display window 29 for displaying the heating time, a switch and a keyboard 30 for setting the heating method,
And there is a knob 31 etc. for setting the heating time. In the case of the exterior structure such as the high frequency heating device shown in FIG. 3, the door sash 5 is projected so that the door hinge pin insertion port is formed like the conventional door structure shown in FIG. 4 (a). As shown in FIG. 4 (b), it is necessary to secure a dimension B that does not come into contact with the outer frame 28 when rotated as an axis.
Since the distance between the door and the outer frame 28 can be reduced by the dimension A by the amount that the door sash 5 does not project, the clearance between the door and the outer frame is reduced, so that the appearance performance is improved.

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) A plurality of cut-and-raised parts provided in the lower part of the door body holds the door screen outer plate of the heating chamber see-through window, and the putty attaches the door screen outer plate to the door body. The lower part of the door body, which is the visible part, is only the thickness of the cut-and-raised part provided in the door body that holds the door screen outer plate, and the color tone of the door screen outer plate and the color tone of the door body are different. Even if you increase the color tone of the door screen outer plate to correspond to each individual favorite color tone as the personal consumption progresses, the color tone of the door main body is only one color, as it can eliminate discomfort. There is no loss time due to the switching at the time of production due to the difference in the color of the door body, so the productivity is very good.

(2) Since the outer panel of the door screen is made of a transparent material such as glass or plastic, the beautiful end face of the transparent body can be utilized, resulting in excellent design.

(3) Due to the effect of (1), the door body has only one color tone,
Can handle many color tones of door screen skins.

(4) When the outer frame is provided on the outer periphery of the door body, the distance between the outer frame and the door body can be reduced as compared with the conventional door sash provided on the lower part of the door. Since the clearance between the door and the outer frame is reduced, the appearance performance is improved, and the possibility of catching a finger is also extremely reduced, which improves safety.

[Brief description of drawings]

FIG. 1 is a perspective view of a door of a high-frequency heating apparatus which is an embodiment of the present invention, FIG. 2 is a sectional view of the same main part, FIG. 3 is an external perspective view of the same, and FIG. FIG. 5 is a sectional view showing the structure of the door of the high-frequency heating apparatus in the embodiment, FIG. 5 is a perspective view showing the door structure of the conventional high-frequency heating apparatus, and FIG. 15 …… door body, 18 …… door screen outer plate, 19 …… cut and raised part, 20 …… door inner plate, 25 …… door screen inner plate,
26,27 …… Putty.

Claims (1)

[Claims] 1. A door body openably and closably provided at an opening of the heating chamber having a punching portion through which a heating chamber can be seen through in a central portion, and a door screen provided on the heating chamber side of the punching portion of the door body. An inner plate and a door screen outer plate made of a transparent material provided outside the punching portion of the door body are provided, and the door screen outer plate is a plate formed by a plurality of cut-and-raised portions formed in a lower portion of the door body. A high-frequency heating device configured to be held by a thickness and attached to the door body.