JPH0658176B2 - High frequency heating cooker - Google Patents

Description

The present invention relates to a high-frequency heating cooking apparatus for heating and cooking an object to be cooked in an oven, and more particularly to a rotary plate in the high-frequency heating cooking apparatus. (Turntable) Support device

(Prior Art) An already proposed high-frequency heating and cooking device of this type is configured as shown in FIG.

That is, in FIG. 9, an oven frame c that forms an oven b is provided in a box-shaped case body (cabinet) a, and a top plate c ₁ of the oven frame c has an excitation port. d is provided. Further, a waveguide e is attached to the top plate c ₁ where the excitation port d is located, and a magnetron f is attached to one end of the waveguide e. Further, a drive motor g is attached to a bottom plate c ₂ of the oven frame body c via a bracket h, and an output shaft g ₁ of the drive motor g penetrates the bottom plate c ₂ and the oven b is attached. It projects inside. Further, a rotating dish (turntable) i is detachably provided on the output shaft g ₁ , and a food W to be cooked is placed on the rotating dish i. A microcomputer j is connected to the magnetron f and the drive motor g by a lead wire,
The microcomputer j is incorporated in the operation panel on the front of the case body a.

Therefore, the high-frequency heating and cooking device described above is adapted to control the cooking time and the cooking temperature according to the type of the food W, and rotate the rotary plate i to uniformly heat and cook.

(Problems to be Solved by the Invention) However, in the high-frequency heating and cooking apparatus described above, an object to be cooked W having a larger diameter than the outer diameter of the rotating dish i is placed on account of the effective volume in the oven b. When you rotate the
May collide with the inner wall of the oven b, which may damage the gears of the reduction mechanism that drives the rotating shaft g ₁ that is integral with the rotating dish i and the drive motor g. There is a risk that the cooked material that has been molded in advance may be damaged and lose its shape, or that, in the event of a collision, juice will flow out from the rotary dish i and the oven b will be contaminated and sintered.

The present invention has been made in view of the above circumstances, and when heating an object to be cooked having a diameter larger than the outer diameter of the rotary dish, the roller support member is removed and the rotary dish is placed on the bottom plate of the oven frame. A high-frequency cooking device for cooking large objects to be cooked freely and safely even in a small oven by mounting the Is provided.

[Structure of Invention]

(Means for Solving Problems and Actions Thereof) According to the present invention, a support having a gear chamber is provided on a bottom plate of an oven frame having an oven, and a driving gear is rotatably provided on the support in the gear chamber. A rotary shaft that is provided and is slidable in the vertical direction and that is slidable in the vertical direction and that is integral with a driven gear that selectively meshes with the main driving gear is urged upward and is axially mounted on the bottom plate. A rotating dish is detachably provided on the upper part of the shaft, and a roller supporting member is detachably provided between the bottom surface of the rotating dish and the bottom plate so as to support the rotating dish. By engaging the driven gear with the main driving gear, an object to be cooked larger than the outer diameter of the rotary dish can be freely and safely heated and cooked.

(Example) The present invention will be described below with reference to an illustrated example.

1 to 5, reference numeral 1 is a box-shaped case main body (cabinet), and an oven frame 3 forming an oven 2 is provided in the case main body 1. The case body 1 located at the opening of the oven frame 3 is provided with a sideways opening / closing door 4 which can be opened and closed. The case body 1 near the opening / closing door 4
An operation panel 5 is provided in front of the operation panel 5, and the operation panel 5 is provided with a timer 6, an opening / closing button 7, a cooking button (start button) 8 and the like. Further, as shown in FIGS. 4 and 5, the bottom plate 3a of the oven frame 3 is formed with a bulging portion 3b protruding upward, and at the middle of the bulging portion 3b. Has a through hole 9. Further, a support 11 having a gear chamber 10 is provided on a bottom plate 3a near the bulging portion 3b via a partition plate 12, and the drive motor 13 is provided in a part of the support 11.
Is provided. In addition, the output shaft 1 of the drive motor 13
3a projects into the gear chamber 10 and the output shaft 1
A main driving gear 14 is mounted on the shaft 3a.

On the other hand, a bearing 15 is attached to the partition plate 12 located immediately below the through hole 9, and the bearing 15 is attached to the bearing 15.
6 is rotatably mounted on the shaft so as to slide through the through hole 9 and the support 11 and slide upward and downward. A driven gear 17 is mounted on the rotary shaft 16 located in the gear chamber 10 so as to selectively mesh with the main driving gear 14, and the driven gear 17 and the support 11 are connected to each other. A coil spring 18 is provided between the rotary shaft 16 and
Is urged upward.

On the other hand, an engaging portion 16a is formed on an upper portion of the rotary shaft 16 protruding into the oven 2.
6a includes a locking portion 19 of a rotary plate 19 having a seat 19a.
b is detachably provided. Further, as shown in FIGS. 3 and 4, the bottom surface of the rotary pan 19 and the bottom plate 3 are
A roller support member 20 including a plurality of (three in the figure) rollers 20a is provided between and a so as to be capable of being inserted and removed so as to support the rotary plate 19.

Therefore, when the cooked food W ₁ having a smaller outer diameter than the rotating dish is placed on the rotating dish 19 for heating and cooking, the drive motor 13 is driven as shown in FIG. Since the main driving gear 14 integrated with the output shaft 13a of the drive motor 13 rotates the driven gear 17 meshing with the main driving gear 14,
The rotary shaft 16 is rotated integral with the driven gear 17, the rotating disc 19 which engages with the engaging portion 16a of the rotary shaft 16 rotates together with the food W _1, whereby the radio wave in the oven 2 be The cooking product W ₁ is evenly irradiated and cooked.

Next, as shown in FIG. 2 and FIG.
When cooking an object W ₀ that is larger than the outer diameter of
After the roller supporting member 20 is taken out from the oven 12 in advance, the engaging portion 19b of the rotary dish 19 is engaged with the engaging portion 16a of the rotary shaft 16 and the hand is removed. The rotary shaft 16 resists the elasticity of the coil spring 18.
Push down. Then, the driven gear 17 integrated with the rotary shaft 16 is disengaged from the main drive gear 14, and the rotary disc 1
Each of the nine seats 19a is directly placed on the bottom plate 3a.

Then, the drive motor 13 is energized and the gear 14
Since the driven gear 17 is already disengaged from the main driving gear 14 even after rotating, the rotary plate 19 is held stationary in the oven 2 and the food W _{0 to} be cooked on the rotary plate 19 is held.
Is cooked without rotation.

Next, in another embodiment of the present invention shown in FIGS. 6 to 8, the main driving gear 14 is formed into a wide main driving gear 14 ', while the disc-shaped collar is formed on the lower portion of the rotary shaft 16. Part (flange)
16b is formed, and the drive motor 1 is formed below the collar 16b.
3 on, be one obtained by attaching a change-over switch 21 to off, whereby, when cooked the food W ₀ larger than the outer diameter of the rotary disc 19 in advance, the roller support member 20 oven 2 When the rotary disc 19 is taken out of the coil spring 18 by its own weight, the lock plate 19 is engaged with the lock part 16b of the rotary shaft 16 and the hand is removed.
The rotating shaft 16 is pushed down against the elasticity of. Then, the collar portion 16b of the rotary shaft 16 turns off the changeover switch 21,
The drive motor 13 is de-energized.

The electric circuit diagram shown in FIG. 8 shows another embodiment of the present invention.
2 includes a first door switch 23, a second door switch 24,
A thermal switch 25 and a high voltage transformer 26 are connected in series, and a short circuit switch 27 for security, the changeover switch 21 of the drive motor 13 and a cooling fan motor 28 are connected in parallel to the power supply circuit 22. ing. Further, the high voltage transformer 26 is connected to a magnetron 31 having a capacitor 29 and a rectifier 30.

〔The invention's effect〕

As described above, according to the present invention, a support having a gear chamber is provided on a bottom plate of an oven frame that forms an oven,
A main drive gear is rotatably provided on a support member in the gear chamber, and a vertically rotatable slide shaft that is integrally formed with a driven gear that selectively meshes with the main drive gear is provided upward by sliding the main drive gear upward. It is urged to be axially mounted on the bottom plate, and a rotary plate is detachably provided on the upper part of the rotary shaft, and a roller support member is inserted between the bottom plate of the rotary plate and the bottom plate so as to support the rotary plate. Since the driven gear meshes with the main gear when the roller support member is mounted, the relatively large cooked food W ₀ can be freely and safely installed in the small oven 2. Not only can it be heated and cooked, but also the structure is simple, so that it has an excellent effect that assembly and adjustment can be easily performed.

[Brief description of drawings]

FIG. 1 is a perspective view showing an open door state of the high-frequency heating cooking apparatus of the present invention, FIG. 2 is a plan view showing a part of the present invention in a broken state, and FIG. 3 is incorporated into the present invention. An exploded perspective view of the rotary plate and the roller support member, FIG. 4 is an enlarged cross-sectional view showing an essential part of the present invention, and FIG. 5 is a view for explaining the operation of the present invention.
6 and 7 are views showing other embodiments of the present invention,
FIG. 8 is an electric circuit diagram incorporated in another embodiment, and FIG. 9 is a sectional view of a high-frequency heating and cooking apparatus already proposed. 1 ... Case main body, 2 ... Oven, 3 ... Oven frame, 10 ... Gear chamber, 11 ... Support, 13 ... Drive motor, 14 ... Main drive gear, 16 ... Rotating shaft, 17 ... ... Driven gear, 18 ... Coil spring, 19 ... Rotating disc, 20 ...
... Roller support member.

Claims (1)

[Claims] 1. A support body having a gear chamber is provided on a bottom plate of an oven frame body forming an oven, and a main drive gear is rotatably provided on the support body in the gear chamber, and the main gear is slidable in the vertical direction. A vertically rotatable slidable rotary shaft that is integral with a driven gear that selectively meshes with the gear is urged upward to be axially mounted on the bottom plate, and a rotary dish is detachably provided on the upper part of the rotary shaft. A roller support member is provided between the bottom surface of the rotary plate and the bottom plate so as to be able to be inserted and removed so as to support the rotary plate, and when the roller support member is mounted, the driven gear may be engaged with the main drive gear. Characteristic high-frequency heating device.