JP3303383B2 - High frequency heating equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-frequency heating device,
In particular, it relates to a door mounting structure.

[0002]

2. Description of the Related Art A conventional door mounting structure of a vertical opening type high frequency heating apparatus of this type will be described with reference to FIGS.

FIG. 2 is a perspective view of a general vertical opening type high-frequency heating apparatus in which a door is opened by about half. FIG.
FIG. 3 is a perspective view of a lower part of the door. A door 21 is attached to the front of the heating chamber 1 so as to be openable and closable in a vertical direction. The heating chamber front plate 3 constituting the heating chamber 1 is provided with a door arm hole 5 for regulating an opening angle of the door 21 and inserting a door arm 18 supporting the door 21. Door 2 below door arm hole 5
1 is provided with a door hinge hole 7 into which a door hinge 20 that supports the door 1 is inserted. At the tip of the door hinge 20, a door pin 19 that supports the door 21 and is a center of rotation is attached. A door pin hole 9 for inserting the door pin is provided at a lower portion of the door,
Above the door pin hole 9 of the door 2, a door arm pin 10 into which the door arm 18 is fitted is provided. Behind the door arm 18, a door spring 1 for improving the opening and closing feeling of the door 21 is provided.
1 is provided.

When assembling the door, the door 21 is first brought to the front of the main body, and then the door hinge 20 is inserted into the door hinge hole 7 from the rear surface of the heating chamber front plate 3 as shown by the solid arrow a. Next, the door 2 and the door hinge 20 are aligned so that the door pin 19 mounted on the door hinge 20 is fitted into the door pin hole 9 provided on the door 21 as shown by a dotted arrow b. Next, the door arm 18 is inserted into the door arm 5 from the rear surface of the heating chamber front plate 3, hooked on the door arm pin 10 of the door 21, and the door spring 11 behind the door arm 18 is moved behind the door arm 18 and the door hinge 20. Holes 16 and 17.

FIGS. 4 and 5 are sectional views of a door pin 19 of the door 21. FIG.
FIG. 5 shows a state after the door pin 19 is inserted into the door pin hole 9. As shown in FIG. 4, since the door pin 19 protrudes from the door hinge 20, when the door hinge 20 is inserted into the door 21 into the heating chamber front plate, the dimension (C) between the door hinge and the door 21. ) Is always necessary, and this is about 5 mm for baking. That is, when the door hinge 20 shown in FIG. 5 is moved in the direction of the arrow, the dimension (D) becomes an unnecessary dimension in the assembled state. Since the door pins 19 are arranged on the left and right sides of the door 21, a wasteful dimension of about 10 mm is required on both sides as 5 mm on one side.

[0006]

However, in the above configuration, when the door 2 is attached to the main body, the door hinge 20 is inserted from the rear of the main body, and then the door hinge 20 is slid in the lateral direction to slide the door pin 19. Into the door pin hole 9 of the door 21, then insert the door arm 18 from the rear of the main body, fit the door arm 18 and the door arm pin 10 of the door 21, and then fit the door arm 18 and the door hinge 20. Since the door spring 11 is mounted in between, as shown above, each part is sequentially incorporated into the main body in a single state, and in order to attach the door 21 to the main body, various parts must be moved forward, backward, left and right. Therefore, there is a problem that the assembling process is complicated and the automated assembling cannot be easily performed.

The present invention solves such a conventional problem. Since the present invention is a heating device that uses a high frequency by unitizing each component, a user once attaches to the main body in consideration of safety in consideration of safety. The door cannot be removed unless it is disassembled, and at the same time, it can be assembled from one direction,
A first object is to provide a configuration that can easily perform automated assembly.

A second object of the present invention is to provide a high-frequency heating apparatus having a smaller main body volume in the same heating chamber volume by eliminating unnecessary space in the lateral direction of the door which was only required when the door was mounted. It is in.

[0009]

In order to solve the above-mentioned problems, a high-frequency heating apparatus according to the present invention comprises an openable / closable door provided at an opening through which food is taken in and out of a heating chamber, a door and a heating chamber body. and a door arm for restricting the opening angle of the door between, before
The door pin, which is the center of rotation for opening and closing the door, has a D-cut structure.
And an insertion path is provided in a joint hole of the door hinge with the door pin.
And the door arm is fitted over the door pin.
The door is mounted at an angle other than the opening and closing angle of the door, and once mounted, the door and the door arm are irreversibly coupled to each other up to the angle at which the door is mounted. Has a door structure that does not open, and a door hinge
The temporary support claw provided on the door arm can be hooked on the substrate part of
It has a configuration provided with a temporary support receiver .

[0010]

According to the present invention, the door arm, the door spring, and the door hinge are integrated into a single unit, fixed to the main body, and the door is temporarily fixed to the main body from the front of the main body and securely mounted by turning the door. After installation, the door cannot be removed from the outside, and the door can be securely mounted on the main body only by rotating, so that the automated assembly of the door to the main body can be easily performed.

Further, since the door can be temporarily fixed to the main body from the front surface and mounted by rotating, the door hinge does not need to be moved in the left-right direction, and the space required for the door hinge is unnecessary, so that the size of the main body can be reduced. .

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Those having the same names and the same functions as those of the conventional example are denoted by the same reference numerals, and description thereof will be omitted.

FIG. 1 shows a door hinge 6 and a door arm 4 and a door spring 11 which regulate the opening angle of the door between the door and the unit, which are unitized to the main body, and just before the door 2 is mounted. Things. As shown in the figure, the door arm 4 is in a state in which a roller 12, a door spring 11, and a temporary support claw 14 provided behind the door arm 4 and a temporary support receiver 15 provided on a substrate of the door hinge 6 are locked. Is temporarily fixed in the unit. The door pin 8 fixed to the door 2 is D-cut on both sides. Further, an insertion path 13 is provided at a distal end of the door hinge 6 fitted to the door pin 8 so that a D-cut portion of the door pin 8 can be inserted.

FIG. 6 is a perspective view when the door hinge 6, the door arm 4, and the door spring 11 are unitized. The door arm 4 has a temporary support claw 14 at the rear, is supported by the roller 12 of the door hinge 6 and the temporary support receiver 15 of the door hinge 6, and is constantly pulled by the door spring 11, thereby maintaining the temporary unit structure. ing.

FIG. 7, FIG. 8, FIG. 9, FIG. 10, FIG. 11, FIG.
Numeral 2 shows a process of attaching the door 2 to the main body in order.

FIG. 7 shows a state before the door 2 is attached to the main body. The door 2 is inserted so that the D-cut portion of the door pin 8 at the lower part of the door 2 can be inserted into the door hinge 6 in a state where the door 2 does not open after the door 2 is mounted, that is, θ1 is larger than 90 °. The positional relationship of the road 13 is determined.

FIG. 8 shows a state in which the door pin 8 of the door 2 is temporarily inserted into the door hinge 6. FIG. 9 shows a state in which the door 2 is rotated from FIG. 8 and the overhang portion (f) of the door 2 and the door arm 4 are in contact with each other.

FIG. 10 shows that the door is pivoted more than in FIG. 9 and the door arm 4 is pushed in by the overhanging portion (f) of the door 2 so that the temporary support claws 14 of the door arm 4 fall off the temporary support receivers 15 of the door hinge 6. Then, the rear part of the door arm 4 is lowered by the door spring 11 and the front part of the door arm 4 is raised with the roller 12 as a fulcrum, and the key part (g) of the door arm is fitted to the door arm pin 10 of the door 2.

FIG. 11 shows a state in which the door 2 is completely closed. FIG. 12 shows a state where the door 2 is fully opened again. Even when the door is fully opened, the rear overhang portion (h) of the arm hits the roller 2 fixed to the door 2 and the door hinge 6 of the main body, and the opening angle θ2 of the door 2 is regulated. θ2 is set to be smaller than θ1 shown in FIGS. Generally, θ1 is 10
Since 5 ° to 120 ° and θ2 are configured to be about 87 ° to 90 °, the D-cut of the insertion path 13 and the door pin 8 do not coincide, and the door pin 8 does not fall off the door hinge 6. Further, since the door arm 4 is also pulled backward by the door spring 11, the key portion (g) of the door arm 4 does not come off from the door arm pin 10, and the door cannot be detached from the main body. Since the door can be assembled from one direction in front, it is easy to automate the installation of the door.

Next, with reference to FIGS. 13 and 14, it will be described that this embodiment is a solution for the second object.

FIG. 13 shows a state before the door 2 is mounted on the main body.
FIG. 14 shows the state after mounting. This embodiment basically moves the door 2 only in the front-rear direction as described above, and the door hinge 6 does not need to be moved in the left-right direction at the time of assembly. ) And (D) are not required at all, and the high-frequency heating device main body can be made small, so that a high-frequency heating device that is advantageous in terms of installation and cost can be provided.

[0022]

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

(1) The door hinge can be automatically mounted on the main body because the door hinge, the door arm, and the door spring are integrated into a unit and mounted on the main body. The cost can be greatly reduced, and can be provided to the user at a lower cost.

(2) Since the automatic assembling becomes possible, it is possible to provide a more stable high-frequency heating device with less variation in door installation, and to provide a safe and stable product with less radio wave leakage.

[0025] (3) In addition, by the door hinges structure, it is possible to remove the unnecessary dimensions only for mounting the door (about 10 mm), can be reduced body shell volume for the same heating chamber volume, It is possible to provide an inexpensive high-value added high-frequency heating device.

(4) Further, provision of the temporary support receiving member and the temporary supporting claw on the coupling member and the door arm, respectively, ensures the positioning at the time of assembling the door and facilitates automatic assembly.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a high-frequency heating device according to an embodiment of the present invention.

FIG. 2 is an external perspective view of a high-frequency heating device.

FIG. 3 is a perspective view of a main part of a conventional high-frequency heating device.

FIG. 4 is a cross-sectional view of a main part showing insertion of a door pin into a door hinge in a conventional example (before insertion).

FIG. 5 is a sectional view showing a state after insertion of a door pin into a door hinge in a conventional example.

FIG. 6 is a unit perspective view of a door hinge, a door arm, and a door spring according to the present invention.

FIG. 7 is a configuration diagram showing a state before the door is mounted in the door mounting process according to the present invention.

FIG. 8 is a configuration diagram showing a state when the door is inserted in the door attaching process according to the present invention.

FIG. 9 is a configuration diagram showing a state before the door lever catches in the process of attaching the door in the present invention;

FIG. 10 is a configuration diagram showing a door installation completed state in a door installation process according to the present invention.

FIG. 11 is a configuration diagram showing a closed state of a door according to the present invention.

FIG. 12 is a configuration diagram showing a fully opened state of a door according to the present invention.

FIG. 13 is a sectional view of a main part showing a state before the door pin is inserted into the door hinge according to the present invention.

FIG. 14 is an essential part cross-sectional view showing a state after the door pin is inserted into the door hinge according to the present invention.

[Explanation of symbols]

 2 Door 4 Door Arm 6 Door Hinge 8 Door Pin 10 Door Arm Pin 11 Door Spring 13 Insertion Path 14 Temporary Support Claw 15 Temporary Support Receiver

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) F24C 7/02 521 F24C 15/02

Claims (2)

(57) [Claims] Has a 1. A openable door provided in the opening to perform out of the food in the heating chamber, and a door arm for restricting the opening angle of the door between the door and the heating chamber body, opening and closing of the door Rotation
The center door pin has a D-cut structure.
An insertion path is provided in the connection hole with the door pin, and
Door arm pin that fits the door arm above the door.
The door is installed at an angle other than the opening / closing angle of the door, and once installed, the door and the door arm are irreversibly coupled, and the door is not opened until the angle at which the door is installed. High frequency heating device with a structure. 2. A door hinge substrate comprising: an openable / closable door provided at an opening through which food is taken in and out of a heating chamber; and a door arm for regulating an opening angle of the door between the door and the heating chamber main body. Department
The temporary support claw provided on the door arm
The door is mounted from an angle other than the opening / closing angle of the door, and once mounted, the door and the door arm are irreversibly coupled, and the door is not opened until the angle at which the door is mounted. High frequency heating device with door structure.