JP3203354B2 - Double-sided heating 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 double-sided heating method for heating foodstuffs from above and below by using an upper grill and a lower grill, which are used for cooking steaks, hamburgers, pizza, gyoza, bread and other ingredients for cooking. Related to cookers.

[0002]

2. Description of the Related Art When baking ingredients such as steaks and hamburgers by a single-sided heating method using a frying pan or the like, the meat juice and water inside are scattered upward, resulting in a lack of umami. Further, since it is necessary to bake the food upside down, it takes a relatively long time to bake. For this reason, in order to bake the gravy and water in the food material in a short time while keeping it in the food material, a double-sided cooking device that heats the food material from above and below using an upper grill and a lower grill is used. In the conventional double-sided heating cooker, the upper grill 200 was supported by a support mechanism 90 as shown in FIG. That is, the connecting piece 102 is welded to the rear end of the upper grill 200, and the connecting piece 10
2 is rotatably connected to a large-diameter flange portion 95, and a vertical shaft 96 extending downward is formed integrally at the center of the lower surface of the flange portion 95. The vertical shaft 96 extends through the axial center of the thrust bearing 93, and is supported by the thrust bearing 93 so as to be able to move up and down smoothly. A coil-shaped balance spring 98 is loaded in a compressed state around the inner cylinder 92, and the flange portion 95 is given an upward urging force by the elastic restoring force of the balance spring 98. When the support mechanism 90 operates the operation handle of the upper grill 200 to apply an upward external load, the balance between the urging force of the balance spring 98 and the weight of the upper grill 200 is lost, and the vertical shaft 96 is thrust. Bearing 9
It rises while being supported by 3. With this, upper grill 2
00 rises in a horizontal state while keeping parallel to the lower grille 100.

[0003]

When the upper grill 200 is rotated upward when taking out foods or the like, the upper grill 200 must be rotated to a vertical position and rotated downward by its own weight unless it is set up on the support mechanism 90. I have returned. Therefore, the upper grill 20
The 0 has a disadvantage that it must always rotate to the vertical position. Since the force of the balance spring 98 is constant, the load on the upper grill 200 cannot be adjusted. Therefore, depending on the type of food, the load on the upper grill 200 may cause the food to be crushed. Conversely, when the load of the upper grill 200 is desired to be large, the force of the balance spring 98 cannot be increased. In addition, the balance spring 98 is mechanically consumed while being used, and the elastic restoring force is attenuated, so that the opening and closing operation of the upper grill cannot be performed smoothly. Further, the conventional cooker for heating both sides has a drawback that it requires power to open and close the upper grill and lacks operability. Therefore, an object of the present invention is to provide a double-sided heating cooker which is a simple mechanism using a link mechanism, is easy to move up and down an upper grill and a lower grill, and is excellent in operability and durability.

[0004]

According to the present invention, an upper lever is rotatably supported on a side frame, and a control plate is rotatably mounted on a front end of the upper lever. It is rotatably attached to the upper grill, and the tip of the control plate can be engaged with a pin erected on the front side of the upper grill, and a hook lever is rotatably supported on the rear side of the upper grill. The engaging portion at the tip of the hook lever can be engaged with the rear end of the control plate, and a long groove is formed in the hook lever, and a stopper pin erected on the upper grill is engaged in the long groove. The handle is pivotally supported on the side frame by the rotation shaft, and a joint link is rotatably attached to the rear end of the handle, and a knockout lever is rotatably mounted on the other end of the joint link. At the end of the knockout lever, a knockout roller is provided at the tip, and the knockout roller contacts the rear end of the hook lever so that it can be pressed downward, and the lower lever is pivotally supported on the side frame so as to be rotatable. The lower grill is rotatably attached to the front end of the lower lever, and by connecting the rear end of the upper lever and the lower lever, the upper grill and the lower grill can be moved up and down while maintaining a parallel state. And

[0005]

After the power switch is turned on, food is set on the cooking surface of the lower grill. When the handle is turned downward, the upper grill is lowered and the upper lever is turned. As a result, the lower lever also rotates, so that the lower grill also rises while maintaining the parallel state with the upper grill, and cooks with the food sandwiched therebetween. When the cooking is completed, the handle is rotated upward to raise the upper grill. At this time, the lower grill is translated downward by the action of the upper lever and the lower lever as described above. After ascending a certain distance, the upper grill turns over to make it easier to take out the ingredients.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENT In FIG.
Is the upper grill. As shown in FIG. 8, the upper grill 9 has a copper heat diffusion plate 7 inside (upper side) a grill plate 72.
An aluminum support 74 is disposed through the third support 3.
Heating heaters 79 are inserted into the aluminum support 74 at appropriate intervals and cast into a pipe. By casting the heater 79 into the aluminum support 74 in this manner, the heat of the heater 79 is transferred to the aluminum support 74.
Of the aluminum support 74
And the temperature of the entire grill plate 72 to which heat is transmitted via the heat diffusion plate 73 can be made uniform, and the food can be baked without heating unevenness. The upper grill 9 is filled with a heat insulating material 75 so as to cover the upper side of the aluminum support 74, and a metal heat reflecting plate 76 is provided so as to cover the outside of the heat insulating material 75. Thus, the heating surface 72a of the grill plate 72
The heat is transmitted to the waste without waste and the thermal energy is effectively used.

A link mechanism according to the present embodiment will be described with reference to FIGS. Here, right side frame 1
However, since the left side frame 90 has the same configuration as the right side frame 1, the description is omitted. As shown in FIG. 2, an upper lever 2 and a handle 3 are rotatably supported on the right side frame 1. The upper lever 2 is L-shaped, and has a central portion rotatably fixed on the right side frame 1 by an upper lever shaft 4. The upper lever shaft 4 penetrates through the right side frame 1 and is connected to the left side frame 90. It is connected to. At the front end (left side in FIG. 2) of the upper lever 2, a control plate 7 of an upper grill is rotatably supported by an upper lever pin 5, and the control plate 7 is rotatably mounted on the upper grill 9. Have been.

A rotating shaft 6 of the upper grill is fixed to the upper grill 9, and the rotating shaft 6 is mounted so as to penetrate the upper grill control plate 7, and further rotatably mounted on the handle 3. Have been. The upper grille 9 is configured to be heavier on the front side about the rotation shaft 6. Therefore, an engagement pin 8 is fixed to the upper grill 9 in order to prevent the lower grille from rotating downward and forward around the rotation shaft 6. The left end receiving portion 7a of the control plate 7 is brought into contact with the engaging pin 8 to control the lower rotation of the upper grill 9 to keep the upper grill 9 horizontal.

The lower lever 14 has an L-shape, and its central portion is rotatably fixed to the right side frame 1 by a lower lever shaft 13. It penetrates and is connected to the left side frame 90. And a long groove 2 is provided at the rear end of the lower lever 14.
A roller 10 provided at the rear end of the upper lever 2 is loosely engaged with the long groove 23. Lower lever 1
The front end of 4 is rotatably attached to lower grill 18 by lower lever pin 17.

An arm pin 16 is fixed to the lower grill 18 and an arm 15 is rotatably mounted on the arm pin 16. The other end of the arm 15 is connected to the arm shaft 1.
2, it is rotatably attached to the right side frame 1. A magnet 20 is mounted on the front leg stay 19 fixed to the right side frame 1 and the left side frame 90.
The lower grill 18 is fixed by suction while the cooking surface 21 is opened as shown in FIG.

FIG. 4 shows an upper lever 2 and a lower lever 1 shown in FIG.
4 shows a state where it is removed. The handle 3 is rotatably mounted by a handle shaft 11 provided on the right side frame 1. Therefore, the handle shaft 11
Is the pivot of the handle 3. A link drive pin 30 is fixed to the rear end of the handle 3. This pin is rotatably attached to the joint link 31 through the right side frame 1 while engaging with a guide hole 40 of an arc-shaped long groove provided in the right side frame 1. The other end of the joint link 31 is rotatably attached to a middle point of the knockout lever 37 by a connecting pin 32. One end of the knockout lever 37 is rotatably attached to the right side frame 1 by a knockout lever shaft 33, and the other end has a knockout roller 34.
Is mounted and swings in conjunction with the movement of the handle 3.

An L-shaped hook lever 35 is rotatably mounted on the upper grill 9 by a hook lever shaft 36. A long groove guide hole 41 is provided in the middle of the hook lever 35, and a stopper pin 38 fixed to the upper grill 9 is engaged with the guide hole 41 to restrict the movement of the hook lever 35. . In addition, hook lever 3
An engagement portion 43 is formed at the tip of the fifth member 5 and can be engaged with the right end receiving portion 7b of the control plate 7. The hook lever 35 is always moved by an arrow 3 in the figure by a spring (not shown).
It is urged in nine directions.

FIG. 9 is a wiring diagram showing an electric circuit of the cooker including the heater 79 and the sensor 86. In the figure, reference numeral 81 denotes a power switch, 82 denotes a pilot lamp that is turned on when the power switch is turned on, 83 denotes an overcurrent prevention fuse, and 84 denotes a heater when a sensor 86 detects an overheated state of the heater 79. The reference numeral 85 denotes a pilot lamp for displaying on / off of the heater 79. These power switches 8
1, a pilot lamp 82, a fuse 83, a thermostat 84, and a pilot lamp 85 are housed in a temperature control box 42 built in the tip of the upper grill 9 and the lower grill 18.

Next, the operation of the double-sided heating cooker having the above configuration will be described. First, the power switch 81 is turned on and the heater 7 is turned on.
9 is heated. The heater 79 is an aluminum support 7
4, the entire aluminum support 74 is heated to a uniform temperature by the heat generated by the heater 79.
Also, since the heat insulating material 75, the heat reflecting plate 76, and the heat insulating material 77 are sequentially provided so as to cover the aluminum support 74,
The heat of the heater 79 is effectively and uniformly transferred to the heating surfaces 72a and 72b of the upper and lower grills.

Ingredients are set on the upper surface of the cooking surface 21. In this case, the handle 3 is rotated and held upward by about 20 degrees from the horizontal, and the upper grill 9 is turned to a position that is inverted by about 45 degrees (see FIG. 6). At this time, the lower grill 18 is fixed to the main body by the magnet 20 mounted on the front leg stay 19 described above. Thus, the lower grill 1
8 is fixed to prevent the upper grill 9 from lowering.

Next, as shown in FIGS. 2 and 4, when the handle 3 is lowered, the upper grill 9 is lowered accordingly, and at the same time, the lower grill 18 is lifted away from the magnet 20, and the upper grill 9 and the lower grill 9 are moved downward. The food is sandwiched between the grills 18 and heated to start cooking. At this time, since the engaging portion 43 at the tip of the hook lever 35 is engaged with the control plate 7, the lifting of the engaging pin 8 of the upper grill 9 is controlled, and the upper grill 9 is moved downward. It moves up and down in a stable state while keeping parallel to the grill 18. Therefore upper grill 9
When is in contact with the food material, an even pressing force can be applied to the food material. Further, when the upper grill 9 is separated from the food, a uniform distance is maintained between the food and the heating surface 72a of the upper grill 9. Therefore, the food is cooked without unevenness in a short time. When the upper grill 9 is raised, the lower grill 1
8 can be performed smoothly using the gravity. When the lower grille 18 stops, the upper grille 9 also stops interlockingly.

When the cooking is completed, the handle 3 is rotated upward as shown in FIGS. 5 and 3, and the upper grill 9 is raised. Accordingly, the lower grill 18 is also translated downward by the same distance as the upper grill 9. This will be described in detail with reference to FIG.
Is a state in which the handle 3 is rotated upward from the position shown in FIG. 4 and the upper grill 9 and the lower grill 18 are vertically moved in parallel by the stroke = minute, and the cooking surface 21 is open. Since the handle 3 rotates upward with the handle shaft 11 as a fulcrum, the link drive pin 30 fixed to the rear end moves downward.
Along with this, knockout lever 37 rotates downward with knockout lever shaft 33 as a fulcrum.

Accordingly, the knockout roller 34 moves downward, abuts on the rear end of the hook lever 35, and pushes down.
Therefore, the hook lever 35 rotates about the hook lever shaft 36 in the direction opposite to the arrow 39 direction. When the hook lever 35 rotates, the guide hole 41 of the hook lever 35 is rotated.
The stopper pin 38 contacts the upper end of the hook lever 35, and the hook lever 35 cannot rotate any more.

Then, as shown in FIG. 6 through FIG. 3, when the handle 3 is further moved upward, the link drive pin 30 pushes down the joint link 31 to the lower end. As a result, the knockout lever 37 moves further downward, and further pushes down the hook lever 35 with the knockout roller 34 at the tip. Therefore, the upper grill 9 is inclined by about 45 degrees about the upper grill rotation shaft 6 as a fulcrum, so that the food on the cooking surface 21 can be easily taken out. In the present embodiment, after the distance between the upper and lower grills has been translated by 50 mm,
Tilts and reverses. This is because the upper and lower grills must be stably moved up and down between 0 and 50 mm in order to always bring the upper and lower grills into close contact with each other for food materials having a thickness of up to 50 mm. At this time, the lower grill 18 is
Magnet 20 mounted on front leg stay 19 described above
Is fixed to the main body. Therefore, the upper grill 9 connected to the lower grill 18 by a link mechanism.
Does not fall forward or descend.

FIG. 7 shows a state in which the handle 45 is lifted up about the rotation shaft 6 from the state of FIG. 6 and the upper grill 9 is rotated. Since the pin 8 fixed to the upper grill 9 is engaged with the right end receiving portion 7b of the control plate 7 to control the rotation,
The surface of the heating surface 72 faces upward and the cleaning becomes easy.

[0021]

As described above, the present invention is a simple balance mechanism using a link mechanism and is excellent in operability and durability, and can move up and down in a horizontal state while keeping the upper grill and the lower grill parallel to each other. In addition, the distance between the heating surfaces of the upper and lower grills can be uniformly maintained over the entire heating surface. Therefore,
Foods can be baked uniformly with a uniform thickness.
In addition, since the upper grill is automatically inverted after being raised by a certain distance by operating the handle with a short stroke, it is possible to easily and quickly bring in and take out foodstuffs, thereby achieving an effect such as excellent operability.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is an explanatory view showing a link mechanism according to an embodiment of the present invention.

FIG. 3 is an explanatory view showing a link mechanism according to an embodiment of the present invention.

FIG. 4 is an explanatory view showing a link mechanism according to an embodiment of the present invention.

FIG. 5 is an explanatory view showing a link mechanism according to an embodiment of the present invention.

FIG. 6 is an explanatory view showing a link mechanism according to an embodiment of the present invention.

FIG. 7 is an explanatory view showing a link mechanism according to an embodiment of the present invention.

FIG. 8 is a sectional view showing the internal structure of the upper grille according to one embodiment of the present invention.

FIG. 9 is an electrical wiring diagram of one embodiment of the present invention.

FIG. 10 is an explanatory view showing a support mechanism of a conventional double-sided heating cooker.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Right side frame 2 Upper lever 3 Handle 4 Upper lever shaft 5 Upper lever pin 6 Rotating shaft 7 Control plate 8 Engagement pin 9 Upper grille 10 Roller 11 Handle shaft 12 Arm shaft 13 Lower lever shaft 14 Lower lever 15 Arm 16 Arm pin 17 Lower lever pin 18 Lower grille 19 Front leg stay 20 Magnet 21 Cooking surface 30 Link drive pin 31 Joint link 32 Connecting pin 33 Knockout lever shaft 37 Knockout lever 34 Knockout roller 35 Hook lever 36 Hook lever shaft 38 Stopper pin 40 Guide hole 41 Guide hole 42 Temperature control box 45 Handle 72a Heating surface 72b Heating surface 90 Left side frame

Claims (1)

(57) [Claims] An upper lever is rotatably supported on a side frame, and a control plate is rotatably mounted on a front end of the upper lever. The control plate is rotatably mounted on an upper grill by a rotation shaft. And, the tip of the control plate can be engaged with a pin erected on the front side of the upper grill, and a hook lever is pivotally supported on the rear side of the upper grill so as to be rotatable. Can be engaged with the rear end of the control plate, a long groove is formed in the hook lever, and a stopper pin provided on the upper grill is engaged in the long groove. Pivoted to the side frame,
A joint link is pivotally attached to the rear end of the handle, a knockout lever is pivotally attached to the other end of the joint link, and a knockout roller is provided at the tip of the knockout lever. The lower lever is rotatably supported on the side frame, and a lower grill is rotatably attached to the front end of the lower lever. A double-sided heating cooker in which the upper grill and the lower grill can be moved up and down while maintaining a parallel state by connecting a rear end.