JP2003329250A - High-frequency heating device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable simply and easily attaching/detaching of an exhaust grill without using a tool while ensuring safety, to improve workability in attaching/ detaching of the exhaust grill, to improve cleaning performance, and to improve cleanliness of apparatus. <P>SOLUTION: A fixing claw portion 19 formed with a Z-bending, a fixing hook portion 21 having a recessed notch, and a magnet joining plate 23 are arranged on the exhaust grill 8, and a slit hole 25, a hooking flange 27, and a magnet fixing plate 28 are equipped on the opposite main body side. By sticking and fixing to the magnet joining plate and the magnet fixing plate, workability in attaching/detaching of the exhaust grill is simply improved without using a tool, and by facilitating cleaning, clean and neat cooking apparatus can be ensured. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for attaching and detaching an exhaust grill of a hanging type and wall-incorporated high frequency heating apparatus.

[0002]

2. Description of the Related Art Conventionally, the structure of an exhaust grill of a high-frequency heating apparatus of this type, which is a hanging type or a wall type,
A conventional example will be described with reference to FIGS. 1 and 6.

A hanging type high frequency heating apparatus as shown in FIG. 1 has a plurality of gas and electric stoves 1 in the lower portion, and a high frequency heating apparatus 3 is hung in the upper portion through a cooking space 2 in the center. It is installed. A plurality of intake ports 5 are arranged below the high-frequency heating device 3 through a filter 4, a door 6 and a control panel 7 are arranged on the front surface of the main body, and an exhaust grill 8 is mounted above the door 6.

FIG. 6 is a sectional view of the exhaust grill when the exhaust grill 8 is mounted, in which a plurality of screw fixing holes 10 are provided in an upper surface guide 9 of the exhaust grill 8 and a plurality of claw portions having bending flanges are provided in a lower surface guide 11. Make up twelve. A step is provided at the front end of the upper mounting plate 13 of the main body so as to absorb the thickness of the top guide 9, and the top guide 9 of the exhaust grill 8 is provided at the step.
The screw portion 14 is formed in the upper mounting plate 13 on the same central axis as the screw fixing hole 10. Further, at the same location as the claw portion of the lower surface guide 11, the claw portion 11 is provided on the lower mounting plate 15 of the exhaust grill 8.
A plurality of slit holes 16 for inserting the are formed.

The lower surface guide 11 of the exhaust grill 8
Insert the claw portion 12 of the above into the slit hole 16 of the lower mounting plate 15, align the screw fixing hole 10 of the upper surface guide 9 with the screw portion 14 provided on the upper mounting plate 13, and tighten and fix with a plurality of mounting screws 17. Was configured.

[0006]

However, in the above-described conventional hanging-down type or wall-incorporated high-frequency heating apparatus, the lower gas and oil fumes, water vapor, seasonings, etc. generated when cooking with an electric stove were mixed. The air-fuel mixture is sucked up by an exhaust fan disposed in the high-frequency heating device in the upper part, introduced through an intake port through a filter, and discharged from the upper exhaust grill.

At this time, the filter removes part of the oily smoke and the air-fuel mixture of water vapor and seasonings, but the remaining exhaust gas mixture is guided to the exhaust grill, and oil and dust are collected in the passage part in the exhaust grill. Will be attached. In order to remove these oil stains, the exhaust grill must be removed and cleaned, but it cannot be removed unless the mounting screws are removed with a tool, and since there are screws in high places, put a stand etc. If you do not do this, you will not be able to remove it, and there were problems such as the hassle of preparing tools and taking precautions for safety such as injury.

The present invention solves the above-mentioned problems of the prior art. The exhaust grill mounted on the upper part of the main body can be easily removed or attached without a tool to improve the detachability, which is troublesome. The purpose is to eliminate the need to search for a proper tool or remove it with a stand placed on it, so that the exhaust grill can be attached and removed safely and easily for easy cleaning.

[0009]

In order to solve the above-mentioned problems, the present invention eliminates the screw tightening for mounting the exhaust grill to the main body, provides a fixing claw portion above the exhaust grill side, and has a slit hole in the main body. Where the fixed hooks provided below are hooked on the hooking flanges of the main body, and the magnet joint plates are attached near both sides on the exhaust grill side, and the position is located relative to the magnet joint plates. A magnet fixing plate containing a magnet is arranged in the above to fix the exhaust grill.

According to the above invention, a plurality of Z-shaped fixed claw portions are provided on the upper guide side of the exhaust grill, and a plurality of fixed hook portions having concave cutouts are provided on the lower guide side, and these are also provided. Using the fixed claw and fixed hook,
The slits and hooking flanges provided in the main body make it possible to mount the exhaust grill, and the magnet joint plates and magnet fixing plates in the guides on both sides make it possible to closely fix the exhaust grill. Since the exhaust grill is abolished and the exhaust grill can be easily attached and detached without tools, the exhaust grill can be easily cleaned, and the cleanliness can be improved.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 is such that an exhaust grill having an exhaust port, a magnet joining plate mounted and fixed to the inside of the exhaust grill, and a magnet on a surface facing the magnet joining plate. With the configuration in which the included magnet fixing plate is faced, the exhaust grill can be easily attached and detached without a tool, as compared with the method of tightening and fixing a screw or the like with a tool.

According to a second aspect of the present invention, an exhaust grill having an exhaust port, a fixed claw portion provided on an upper surface guide of the exhaust grill, a fixed hook portion provided on a lower surface guide, and inside of both side surface guides. The magnet joining plate fixedly mounted on the magnet joining plate and the magnet joining plate including the magnet facing the magnet joining plate face each other, whereby the magnet joining plate and the magnet joining plate use the attraction force of the magnet. The exhaust grill can be easily attached and detached without a tool, compared to the method of tightening and fixing screws with a tool.

According to a third aspect of the present invention, an exhaust grill having a large number of partitioned exhaust ports is arranged on the upper part of the door and the control panel, and a plurality of fixing members having Z-bending flanges are provided on the upper surface guide of the exhaust grill. An exhaust grille constructed by providing claws, a plurality of fixed hooks having recessed notches in the lower surface guide, and mounting and fixing a magnet joining plate made of sheet metal on the inside of both side guides. On the back side, a plurality of rectangular slit holes for inserting the fixed claw portion are provided on the upper surface, and a plurality of hooking flanges for inserting the fixed hooking portion are formed on the lower surface portion, and are opposed to the magnet joint plates on both side surfaces. The high-frequency heating device comprises an exhaust grill having a magnet fixing plate including a magnet facing a heating surface.

A plurality of fixed claw portions of the upper surface guide of the exhaust grill and a plurality of fixed hook portions of the lower surface guide are respectively provided, and the Z-shaped fixed claw portions are first inserted in the rectangular slits in the opposing main bodies from slightly obliquely above. Then, by rotating it downward with the slit as a fulcrum in the state of being fitted in the slit, the fixed hook part partially cut into the recess fits in the hook flange formed on the lower body, and the vertical, left, right, front and rear directions A mechanical fixing means against the force of is constructed. In this state, play occurs due to the play of the slits and the play size of the hooking flange.Finally, the magnet joining plate and the magnet fixing plate can be mounted without rattling by the mechanical contact means by the attractive force of the magnet. The exhaust grill can be easily attached and detached without a tool as compared with the method of tightening and fixing the screws with a tool.

According to a fourth aspect of the present invention, an electric grill or a gas stove is installed in the lower portion of the exhaust grill, an intake port is provided in the lower surface to form an exhaust passage around the main body heating chamber, and an exhaust fan motor is provided above. By using a hanging type or wall-incorporated high-frequency heating device equipped with an exhaust fan equipped on the front of the main body, steam containing oil smoke and seasonings generated during cooking on a stove, etc. When the motor is driven and the air is ventilated, it passes through the exhaust fan through the exhaust passage through the filter provided at the intake port, and is exhausted from the exhaust grill located in the upper front, and oil stains are generated on the exhaust grill due to oil smoke and food debris. , The exhaust grill part discolors due to dirt, but the exhaust grill part of the high frequency heating device installed near the human eye level with a hanging type or a wall built-in type can be easily removed without tools. Remove, performed mounting can safely mounting operation it is not necessary to desorb up to such base, the improvement of the cleaning property, in which attained the cleanness of the equipment.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 shows the first and second embodiments of the present invention.
FIG. 3 is a configuration diagram showing a hanging type installation of the high-frequency heating device in the embodiment of FIG. Figure 2
In the embodiment of the present invention, a front sectional view of a high-frequency heating apparatus main body, FIG. 3 is a partial detailed view of an exhaust grill portion of the main body high-frequency heating apparatus, FIG. 4 is a side sectional view of FIG. 3, and FIG. FIG. 6 is a side sectional view of a conventional exhaust grill.

In FIG. 1, reference numeral 1 is a cooker table in which several gas or electric stoves are arranged, and 3 high-frequency heating devices are installed above the cooking space 2 through the cooking space. These include the hanging type that hangs on the top wooden frame, and the wall built-in type that is put in the upper wooden frame. Reference numeral 4 is a filter disposed on the left and right of the bottom surface of the high-frequency heating device 3, and is attached to the intake port of 5. 6
Is a door, 7 is a control panel, and 8 is an exhaust grill arranged at the top.

FIG. 2 is a sectional view of the high frequency heating apparatus 3 in which 9 is a heating chamber, 10 is a body, 11 is an exhaust passage formed between the heating chamber 9 and the body 10 on the left and right, and 12 is an upper portion of the heating chamber. Exhaust fan motors are provided, and exhaust fans 13 are provided on both sides. 14 is a controller, 15 is a controller cooling fan,
Reference numeral 16 is a high frequency generator, and 17 is a cooling fan.

FIG. 3 is a detailed view of a portion to which the exhaust grill 8 is attached. FIG. 4 is a side view of FIG. 3, where 18 is an upper guide and 19 is a Z-shaped fixed claw portion provided near both end surfaces of the upper guide. , 20 is a lower surface guide, 21 is a fixed hooking portion having recessed notches provided near both end surfaces of the lower surface guide, 2
Reference numeral 2 is a side guide arranged at both ends, and a U-shaped magnet joining plate 23 is fixed to the inside by screws with screws on both sides. On the body side, a rectangular slit hole 25 is provided in the wiper 24 at a position facing the fixed claw portion, and an inverted L-shaped fixed hooking flange 27 is cut on the upper surface flange of the door mounting plate 26 at a position facing the lower surface guide. Raised and formed. Further, magnet fixing plates 28 containing magnets are attached to both side surfaces of the body 10 at positions facing the magnet joining plate 23.

FIG. 5 shows a state in which the exhaust grill 8 is attached.

The operation and action of the high-frequency heating device constructed as above will be described below.

First, the high-frequency heating device 3 arranged above the steam containing oil smoke and seasonings generated when cooking on the stove 1 located at the lower part and constituting the cooking device is arranged above the cooking space 2.
Of the lower intake port 5 by driving the exhaust motor 12 installed in the upper part of the
Through the filter 4 attached to the heating chamber 9 and the body 10
Is guided to the exhaust passage 11 formed between the two, passes through the exhaust fan 13, and is discharged into the room from the exhaust grill 8 arranged above the front part.

At this time, oil smoke and water vapor containing seasonings are adsorbed by the filter 4, but all the dirt cannot be removed, and in the long term, the exhaust grill 8 is oil dirt,
It becomes sticky or discolored, which reduces the value of the device. Similarly, when the control panel 7 is used for desired cooking in the heating chamber 9 in the door 6 of the high-frequency heating device 3, the high-frequency oscillator 1 is generated by the signal from the controller 14.
6, a radio wave is sent from the controller 6, and at that time, the controller 14 is blown by the controller cooling fan 15 and the high frequency generator 16 by the cooling fan 17. Also in this case, when cooking on the lower stove 1, the controller cooling fan 15 drives to suck oily smoke or the like from below, and the cooking oily smoke or the like in the heating chamber 9 is also cooled by the cooling fan 17. With the air sucked from the heating chamber 9
It is guided to the exhaust grill 8 from the exhaust port from and accelerates the dirt. In this way, when the exhaust grill 8 is dirty, Z-shaped fixing claw portions 19 are formed on both sides of the upper guide 18 of the exhaust grill 8 so that the exhaust grill 8 can be easily and quickly removed and attached. A fixed hooking portion 21 having a recessed notch at the tip is formed on both sides of the lower surface guide 20, and the magnet joint plate 23 is fixed to the inner surface of the side surface guide 22 with a screw and is opposed to the main body. A rectangular slit hole 25 is provided at the front of the wiper 24 at the position, and an inverted L-shaped hooking flange 27 is formed on the upper surface flange of the lower door mounting plate 26, and a flange is provided near the upper end surface of the body 10. A magnet fixing plate 28 that includes a magnet is provided.
In the mounted state, the fixed claw portion 19 is inserted into the slit hole 25, and the fixed hooking portion 21 is in a state in which the notch of the concave portion enters the inverted L-shaped portion of the hooking flange 27. In this state, play occurs due to play in the holes and variations in dimensions. Therefore, by attaching the magnet joining plate 23 to the magnet fixing plate, the magnetic force of the magnet tightly fixes and allows complete mounting without play.

FIG. 5 shows a state when the magnet is removed. By rotating the lower surface guide 20 of the exhaust grill 8 in the direction of the arrow A, first, the magnet joining plate 23 and the magnet fixing plate 28 are attracted by the magnetic force. Is separated by a rotational moment, and the fixed hook portion 2 is pulled from the inverted L-shaped portion of the hook flange 27.
By removing 1, the Z-shaped fixed claw portion 19 in the slit hole 25 is lifted up slightly along the bent shape as indicated by the arrow B, and pulled out to completely remove the exhaust grille 8. be able to. At the time of mounting, the fixing claw portion 19 of the exhaust grille 8 is first inserted into the slit hole 25 and rotated in the opposite direction of arrow A in the reverse of the above-described removal, so that the notch concave portion of the fixed hooking portion 21 causes the hooking flange. Two
7, the magnet joining plate 23 and the magnet fixing plate 28 are adsorbed and completely fixed, and the exhaust grill 8 is mounted.

In this way, it is possible to easily remove and attach without using any tool, and since there is no screw tightening, there is no work to go up on the stand, and a highly safe installation can be obtained. Further, since the mounting and dismounting can be easily and quickly performed, it is easy to clean, and the dirt can always be removed to provide a clean device. And, it is a structure that does not require a tool without screws, but by providing a fixed claw part and a fixed hook part for Z-bending, it can be removed unless it is rotated upward and Z-bending is removed from the slit hole in a staggered manner. To prevent mechanical retention.

It is possible to provide a highly safe attachment / detachment that secures the structure and does not come off even if the exhaust grill 8 is pulled up / down / left / right or front / back even if it is installed at a high position by a hanging type or a wall built-in type. Is.

[0028]

As described above, in the high frequency heating apparatus of the present invention, the fixed claw portion is inserted into the slit hole at the upper portion of the exhaust grill, and the fixed hook portion is inserted into the hook flange at the lower portion by a rotary operation, and With the structure in which the magnet joining plate is attracted to the magnet fixing plate, the exhaust grill can be easily attached and detached without tools, and the work can be performed safely without the need to climb up to the stand when detaching. In addition, since it can be easily removed, it is easy to clean and a clean and clean device can be provided.

[Brief description of drawings]

FIG. 1 is an installation state diagram of a hanging type or wall-incorporated high-frequency heating device according to a first embodiment of the present invention.

FIG. 2 is a front sectional view of the high-frequency heating device according to the first embodiment of the present invention.

FIG. 3 is a detailed configuration diagram of an exhaust grill portion of the high-frequency heating device according to the first embodiment of the present invention.

FIG. 4 is a partial side sectional view of the exhaust grille according to the first embodiment of the present invention.

FIG. 5 is a partial side sectional view showing an exhaust grill removal state diagram according to the first embodiment of the present invention.

FIG. 6 is a partial side sectional view showing a fixed state of an exhaust grill of a conventional example.

[Explanation of symbols] 1 stove 3 high frequency heating device 4 filters 5 intake 6 Door 7 control panel 8 exhaust grill 9 heating chamber 11 exhaust passage 12 Exhaust fan motor 13 Exhaust fan 18 Top guide 19 Fixed claw 20 Bottom guide 21 Fixed hook 22 Side guide 23 Magnet Bonding Plate 25 slit holes 27 Hooking flange 28 Magnet fixing plate

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Masato Yamauchi             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. F term (reference) 3K090 AA05 AA06 AB02 BA01 BB01                       EB27                 3L086 AA01 BA02 BA05 BE02 DA08

Claims (4)

[Claims] 1. A structure comprising: an exhaust grill having an exhaust port; a magnet joining plate mounted and fixed to the inside of the exhaust grill; and a magnet fixing plate including a magnet facing a surface facing the magnet joining plate. High frequency heating device. 2. A magnet joint plate having an exhaust grill having an exhaust port, a fixed claw portion provided on an upper surface guide of the exhaust grill, a fixed hook portion provided on a lower surface guide, and mounted and fixed inside both side surface guides. And a magnet fixing plate including a magnet facing a surface facing the magnet joining plate. 3. An exhaust grill having an exhaust port, a plurality of fixing claw portions having a Z-bending flange on an upper surface guide of the exhaust grill, and a plurality of fixing pulls having recessed notches on the lower surface guide. A plurality of rectangular slit holes are provided on the upper surface facing the back side of the exhaust grill formed by mounting and fixing a magnet joining plate made of sheet metal inside the guides on both sides and providing a hook portion. At the same time, a plurality of hooking flanges for inserting fixed hooking portions are formed on the lower surface, and a magnet fixing plate including magnets is made to face the surfaces of the both side surfaces facing the magnet joining plates. . 4. A stove for electricity or gas is installed in the lower part, an intake port is provided on the lower surface through a filter to form an exhaust passage around the main body heating chamber, and an exhaust fan equipped with an exhaust fan motor is arranged above. The high frequency heating device according to any one of claims 1 to 3, wherein an exhaust grill is mounted on a front surface above the main body.