JP2565895Y2 - Cooker - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooking device for cooking by microwave energy or electric heat energy.

[0002]

2. Description of the Related Art As shown in FIG. 7 (JP-A-2-61214), for example, a conventional heating cooker is rotated by a drive unit 4 on a bottom surface of a heating chamber 2 in a heating chamber 2 of a cooking appliance 1. A table 8 is provided, a door 5 for opening and closing the heating chamber 2 is provided on the front of the cooking device 1, and a bottom surface 3 of the heating chamber and a wall surface of the heating chamber 2 approaching the heating chamber 2 are properly protected to prevent sparking by electromagnetic waves and abnormal overheating. This is a configuration in which a separation unit 7 is provided. Reference numeral 6 denotes a space in which the separation unit 7 and the bottom 3 of the heating chamber have moved. The food is placed on the turntable 8, the door 5 is closed, and cooking is performed by electromagnetic waves or electric heat (not shown). At the end of cooking, the bottom surface 3 of the heating chamber provided with the turntable 8 is projected so that the food can be easily taken out.

[0003]

However, in this case, especially in the case of cooking with electromagnetic waves, the driving device 4 provided on the bottom portion 3 of the heating chamber is provided with a heating chamber 2 and a heating chamber to prevent heating and damage by the electromagnetic waves. The bottom surface 3 needs to be made of metal.
Accordingly, the heating chamber bottom surface 3 and the wall surface of the heating chamber 2 approaching the heating chamber bottom surface 3 are provided to prevent sparking by electromagnetic waves and abnormal overheating.
It is necessary to provide a proper separation distance portion 7, and for that purpose, the driving device 4 provided on the heating chamber bottom surface 3 portion from the separation distance portion 7 is required.
Therefore, it is extremely difficult to prevent heating and damage caused by the electromagnetic waves.

In addition, food scraps and liquids easily enter the space 6 in which the separation part 7 and the bottom of the heating chamber 3 have moved, so that the back and forth movement of the bottom of the heating chamber 3 is likely to be hindered. But there were challenges. An object of the present invention is to provide a configuration for easily and safely taking in and out of food while solving such a conventional problem.

[0005]

Means for Solving the Problems The present invention has been made to solve the above-mentioned problems, and has a driving device on a turntable, the driving device comprising a motor, a motor shaft interlocked with the motor, and a motor shaft. A crank rotatably connected to the other end of the arm, an arm rotatably connected to the other end of the crank, a connecting rod rotatably connected to the other end of the arm, and a plurality of rollers connected to the other end of the connecting rod to a rotary table. And a guide that holds the arm movably in any direction, holds the turntable rotatably with the motor shaft, and stops the turntable in the heating chamber. Stopping means for performing the rotation operation and the forward / backward movement operation are provided.

The arm, the crank and the motor shaft are covered with a cover and a part of the turntable, and the stopping means is constituted by a stopper provided on the bottom side of the heating chamber, and this stopper is pushed upward and pressed against the turntable. The turntable should be fixed.

The stopping means is constituted by a stopper and an electromagnetic relay for moving the stopper up and down. The stopper is pushed up by the electromagnetic relay and pressed against the turntable to fix the turntable. The turntable side may be provided in the upper front part and the movable table side may be provided in the lower rear part, and a part of the turntable may be smoothly projected from the heating chamber. Further, the stopping means is constituted by a stopper and an electromagnetic relay for moving the stopper up and down, a plurality of rollers are provided on an upper portion of the turntable, a roller is provided on a lower front portion of the mover, and a part of the turntable is moved from the heating chamber. It may be made to project smoothly.

In addition, a roller is provided at a lower front part of the moving table,
It is further preferable that the roller on the moving table side is positioned so as to come into contact with the bottom surface of the heating chamber before the foremost roller among the plurality of rollers provided on the upper part of the rotating table while the moving table is moving forward.

[0009]

With the construction described above, the drive unit rotates the crank by linking the motor shaft to the motor, and the drive unit is connected to the turntable via the arm and the connecting rod held movably in any direction by the guide. The rotating table and the back-and-forth moving operation of the moving table held via the plurality of rollers are operated, and the stopping means provided in the heating chamber stops the rotating table.

The cover and a part of the turntable cover the arm, the crank and the motor shaft to prevent abnormal heating of electromagnetic waves and adverse effects such as sparks, and to prevent oil and food waste from adhering to food. The electromagnetic relay that constitutes the moving means pushes up the stopper provided on the bottom side of the heating chamber,
The turntable is fixed by being pressed against the turntable.

The turntable side is located at the upper front, the movable table is located at the lower rear, and the frontmost roller of the plurality of rollers provided at the upper portion of the turntable while the movable table is moving forward. The roller provided at the lower front part of the moving table that contacts the bottom of the heating chamber acts to make a part of the rotating table smoothly project from the heating chamber, so that food can be easily removed without putting your hand in the heated hot heating chamber. It works to get in and out.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, a turntable 8 is provided above the bottom surface 3 of the heating chamber. The turntable 8 has a driving device 9 that can move in the front-rear direction in addition to the rotating operation. The driving device 9 is provided with a moving table 10 held above by rollers 11 of the rotating table 8 and a motor 12 for driving both the rotating operation and the moving operation in the front-back direction below the heating chamber bottom surface 3.
A crank 14 connected to a motor shaft 17 of 12, a arm 13 rotatably connected to the crank 14, and a connecting rod 15 rotatably connected to the arm 13, the connecting rod 15 is a moving table
10 and detachably connected.

A part of the crank 14, the arm 13, and the connecting rod 15 is covered by a cover 16 provided with a guide 26 for the arm 13. Further, the motor shaft 17 is
The turntable 8 is rotatably held by a motor shaft 17, the turntable shaft 18 is provided with a protrusion 27, and a position detecting device 19 is disposed at a position opposed to the protrusion. Further, a stopper 20 is provided on a part of the bottom surface 3 of the heating chamber, and the stopper 20 constitutes a stop means 28 so that the turntable 8 is fixed or opened by moving up and down by the operation of the electromagnetic relay 21. is there.

The operation system is, as shown in FIG.
Front / rear drive switch 22, door switch 23, position detection device
19, the motor 12, the electromagnetic relay 21, the heating control circuit 24, the turntable control circuit 25, and the like are operated by organic coupling. The door switch 23 is turned on and off according to the opening and closing of the door 5, the position detecting device 19 detects whether the turntable 8 is positioned forward, the electromagnetic relay 21 moves the stopper 20 up and down,
The front-rear drive switch 22 is configured to turn on / off the front-rear drive of the drive device 9 provided on the turntable 8.

Next, the operation of the present invention will be described.

At the time of food heating by electromagnetic waves or electric heat,
In order to prevent uneven heating, the turntable 8 normally feeds the food to the turntable 8.
The motor 12 and the turntable control circuit 25 rotate on the moving table 10 provided in a part of the. Since the turntable 8 is held by the motor shaft 17, when the motor shaft 17 rotates, the turntable 8 also rotates simultaneously. The food is heated by the heating control circuit 24 for a predetermined time, and after the predetermined time has elapsed, the heating is terminated and the rotation of the turntable 8 is stopped.

In this case, when the turntable 8 is located at the front, the position detecting device 19 detects the protrusion 27 of the turntable shaft 18 (for example, in the case of an optical sensor for detecting a change in the amount of light consisting of a light emitting element and a light receiving element) The rotation operation is stopped by detecting the position where the amount of reflection of light from the light emitting element changes by the rotation operation of the unit 27).

When the door 5 is opened, the door switch 23 detects that the door 5 is opened, and operates the electromagnetic relay 21 to push the stopper 20 upward and press the stopper 20 against the turntable 8 so that the turntable 8 is pressed.
Is fixed. Here, when the front / rear drive switch 22 of the driving device 9 provided on the turntable 8 is pressed, the turntable 8 is rotatably held by the motor shaft 17, so that the turntable 8 is fixed and only the motor shaft 17 is fixed. Will rotate.

When the motor shaft 17 rotates with the turntable 8 fixed as shown in FIG. 5, the crank 14 connected thereto also rotates with the distance OB as a radius, and the arm 14 rotatably connected thereto. 13 is the function of guide 26
The connecting rod 15 is moved back and forth in the A direction.
Since the connecting rod 15 is connected to the movable base 10, the connecting rod 15 smoothly moves back and forth by the effect of the roller 11. The moving table 10 reciprocates once when the motor shaft 17 makes one rotation. here,
The turntable control circuit 25 controls the motor shaft 17 to rotate counterclockwise each time the front / rear drive switch 22 of the turntable 8 is pressed, thereby protruding and stopping the movable table 10 or returning to the original position to stop. You can do it.

The material of the turntable 8 and the cover 16 of the drive unit 9 is made of metal (stainless steel, surface-treated steel plate, etc.), so that the drive unit components (metal crank 14
And arm 13) can be prevented from adverse effects such as abnormal heating of electromagnetic waves and sparks, and can be structured to withstand high temperatures caused by oven cooking. Crank 14 and arm
Needless to say, the material such as 13 is not limited to metal, and may be ceramics that hardly absorb electromagnetic waves. In particular, the cover 16
Not only prevents the adverse effects such as abnormal overheating of electromagnetic waves and sparks, but also has the effect of maintaining the smooth operation of the drive unit 9 in practical terms of preventing the adhesion of oil and food residue from food. Have.

The crank 14 is not directly connected to the motor shaft 17 but employs a system in which the driving force is detachably and indirectly transmitted, so that the turntable 8 is detached from the heating chamber 2 when the heating chamber 2 is cleaned. Is also good. Further, the connection between the connecting rod 15 of the front-rear drive unit 9 and the movable table 10 is not required to be directly connected, but the cover 16 is not necessarily connected.
It is also possible to provide a magnet at the connecting rod portion inside and a magnet at the moving base portion at a relative position thereof, and to indirectly connect the mechanism, so that the mechanism of the driving device 9 may be completely sealed.

The detection of the moving position of the moving table 10 is not limited to the method based on the moving time described above, but may be a method of separately providing a position detecting device for the moving table 10 and stopping at a predetermined position. In this case, even if the moving table 10 stops during the forward and backward movement due to a power failure or the like, the stopping operation of the moving table 10 at a predetermined position during re-energization can be easily performed. When the door 5 is completely opened, the turntable control circuit 25 controls the turntable 8 with the stopper 20 so as to rotate the motor shaft 17 for a predetermined time so that the front-rear drive switch 22 is not pressed. An automatic food take-out system may be adopted in which the moving table 10 automatically projects when the door 5 is opened. The roller 11 holding the driving device 9 may be provided on the moving table 10 instead of the rotating table 8 side,
As shown in FIG. 2, the roller 11 may be provided on the upper front side on the turntable 8 side, and the lower side may be provided on the movable table 10 side. Also, by providing the roller 29 in front of the movable table 10 as shown in FIG. While moving forward, the roller 29 is positioned such that it comes into contact with the bottom surface 3 of the heating chamber before the foremost one of the plurality of rollers 11 provided on the upper portion of the turntable 8 so that the food can be placed in front of the transfer table 10. It is also possible to receive the unbalanced load generated when the heating chamber bottom surface 3 is generated.

[0024]

As described above, according to the heating cooker of the present invention, since the turntable is provided with the front-rear drive, the following effects can be obtained.

(1) A function for preventing uneven heating due to the rotation operation and a function for preventing burns due to a reduced chance of touching the heated heating chamber due to facilitation of taking in and out of food due to the forward and backward movement operation. , And can greatly improve the functions.

(2) The stopper of the turntable is provided on the bottom surface of the heating chamber, and can remove the obstruction factor of the operation of the stopper which moves up and down. The stopper can move up and down by the operation of the electromagnetic relay to smoothly move the turntable. Can be fixed or open. (3) Since the rotation operation and the back-and-forth movement operation can be driven by one motor, a structure that has a simple structure and can be manufactured at low cost can be provided.

(4) Since the turntable can be provided with a front-rear drive unit which is substantially sealed, not only can adverse effects such as abnormal overheating of electromagnetic waves and sparks be prevented, but also oil adhesion and food residue from foods can be prevented. And a practical structure that prevents operation failure due to the above.

(5) Since the movable table can be detached from the connecting portion of the front-rear drive unit, it has the advantage that it can be used as a food tray as it is.

(6) The movable table is provided with rollers at the rear,
If the turntable has rollers at the front upper part, the front and rear movement of the moving table can obtain smooth motion in a well-balanced manner against the load. Even if food is placed on the front side, the load is received on the bottom surface of the heating surface, so that the movable table can be prevented from falling forward, the load on the motor shaft can be prevented, and a smooth moving effect can be obtained.

(7) Since the turntable is held by a motor shaft, a method of directly detecting the weight of food placed on the turntable by providing a weight sensor below the motor shaft can be adopted. The development potential is great.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of a cooking device showing one embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part of the cooking device, in which a movable table is provided with a roller at the rear and a rotary table is provided with a roller at the upper front.

FIG. 3 is a cross-sectional view of a main part of the cooking device in which a roller is provided at a lower front part of a moving table.

FIG. 4 is an operation system configuration diagram.

FIG. 5 is an explanatory diagram of the operation.

FIG. 6 is an external perspective view of the same.

FIG. 7 is an explanatory view of a main part of a conventional heating cooker.

[Explanation of symbols]

 2 Heating room 3 Heating room bottom surface 8 Turntable 9 Drive 10 Moving table 11,29 Roller 12 Motor 13 Arm 14 Crank 15 Connecting rod 17 Motor shaft 19 Position detecting device 20 Stopper 21 Electromagnetic relay 26 Guide 28 Stopping means

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-161214 (JP, A) JP-A-4-324036 (JP, A) JP-A-4-356623 (JP, A) 148508 (JP, U) Japanese Utility Model 4-57108 (JP, U)

Claims (5)

(57) [Scope of request for utility model registration] 1. A heating chamber bottom (3) comprising a heating chamber (2).
A rotating table (8) at the top and a motor at the bottom of the heating chamber bottom (3)
In the heating cooker provided with (12), the turntable (8) is provided with a driving device (9) capable of rotating operation and forward / backward moving operation, and the driving device (9) includes a motor (12) and a driving device (9). , Motor (12)
Motor shaft (17) interlocked with the motor shaft
Crank (14) rotatably connected to (17) and crank (1
An arm (13) rotatably connected to the other end of the arm (4);
A connecting rod (15) rotatably connected to the other end of (3), and a connecting rod (15) connected to the other end of the connecting rod (15) and held on a rotary table (8) via a plurality of rollers (11). It comprises a movable table (10) and a guide (26) for movably holding the arm (13) in an arbitrary direction, and the rotatable table (8) is rotatable by a motor shaft (17). ), Wherein a stop means (28) for stopping the turntable (8) is provided in the heating chamber (2). The arm (13), the crank (14), and the motor shaft (17) are covered with a cover (16) and a part of the turntable (8), and the stopping means (28) is provided. ) Is constituted by a stopper (20), and the stopper (20) is pushed upward and pressed against the rotating table (8) to fix the rotating table (8). 3. The heating chamber bottom surface (3) with said stopper (20).
The heating cooker according to claim 2 provided on the side. 4. The stopping means (28) comprises a stopper (20) and an electromagnetic relay (21) for moving the stopper (20) up and down, and rotating the roller (11). The cooking device according to claim 1, wherein the table (8) is provided at the upper front, and the movable table (10) is provided at the lower rear. 5. The stopping means (28) is composed of a stopper (20) and an electromagnetic relay (21) for moving the stopper (20) up and down. 2. The cooking device according to claim 1, wherein a roller (11) is provided, and a roller (29) is provided at a lower front part of the moving table (10).