JPH0833577A - Pottery cooker - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a pottery cooker capable of minimizing the occurrence of uneven burning along the entire surface of the object to be cooked supporting means. [Structure] A pottery cooker according to the present invention comprises a casing 1 having an inlet / outlet opening 11 on the front surface, a lower burner 3 installed in the lower part of the casing 1, and an upper burner 4 installed in the upper part of the casing 1. In the pottery cooker having the horizontally supported cooked object supporting means 2, the lower burner 3 has a plurality of lower flame hole rows 30 arranged in parallel in the front-rear direction. The upper burner 4 has a plurality of upper flame hole rows 40 arranged in parallel in the left-right direction. Upper flame row 4
In the case of 0, the front side is arranged more densely than the back side, and it is formed to be inclined to the back side. The lower burner 3 is composed of a group of pipe type burners arranged in a substantially horizontal direction, and the upper burner 4 is composed of a group of strip-shaped combustion plate type burners arranged in a substantially horizontal direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pottery cooker capable of baking both upper and lower sides.

[0002]

2. Description of the Related Art A large-sized pottery cooker which is mainly used for business has a casing-less inlet / outlet for food to be cooked, which is not provided with a door. An object to be cooked means such as a grill and a skewer is horizontally attached to an intermediate portion of the casing, and a gas burner is installed below or above the object to be cooked means. As this gas burner, a burner having a plurality of parallel rows of flame holes is used in order to uniformly heat a large area and obtain stable combustion corresponding to a required thermal power adjustment range. In order to form the plurality of parallel flame hole arrays, a means for arranging a plurality of the same linear or strip burners in parallel, such as a rod-shaped (pipe) burner or a combustion plate burner having an elongated strip-shaped combustion surface, is used. Has been taken.

[0003]

In the conventional pottery cooker of this type, only one of the upper and lower sides is heated, and it takes time to cook because the other side is grilled after inverting the object to be cooked The cooked object placed on the cooked object support means at a specific position, such as in the vicinity of, is less likely to be burned than the cooked object placed in the middle or the like, and there is a problem that uneven baking tends to occur.

If gas burners are installed above and below the object to be cooked, the upper and lower surfaces of the object to be cooked can be fired at the same time, so that the time required for cooking the object can be shortened. However, since heat is largely dissipated at a specific portion such as the entrance / exit opening or the outside air is invaded, there remains a problem that unevenness in baking occurs. In addition, if the upper and lower gas burner rows of flame holes are in the same direction and have a wide interval, heating from the flames generated in the upper and lower flame hole rows becomes non-uniform, so unevenness in burning is likely to occur.

An object of the present invention is to provide a ware cooker capable of minimizing the occurrence of uneven baking along the entire surface of the object to be cooked. An object of the invention of claim 3 or 6 is to provide a grill cooker capable of minimizing the occurrence of uneven baking on the upper surface of the cooked object placed on the front part of the cooked object supporting means. . It is an object of the invention as set forth in claim 4 or 7 to provide a pottery cooker capable of reducing the heat generated in the upper burner from being dissipated outside through the inlet / outlet port.

[0006]

A pottery cooker according to the present invention comprises a casing having an inlet / outlet opening at the front, a lower burner installed at the lower part of the casing, and an upper burner installed at the upper part of the casing. In the ware cooker provided with the food support means horizontally installed between the lower burner and the upper burner, the lower burner has a plurality of lower rows arranged in parallel in one direction. The upper burner has a plurality of upper flame hole rows, and the upper burner has a plurality of upper flame hole rows that are arranged in parallel with the lower flame hole row in a crossing direction. The pottery cooker according to claim 2, wherein the lower burner has a plurality of lower flame hole rows that are arranged in parallel in the front-rear direction (depth direction), and the upper burner moves in the left-right direction (in and out). A plurality of upper flame hole rows arranged in parallel to each other.

The pottery cooker according to claim 3 or 6 is
The upper burner has three or more upper flame hole rows, and the front side of the upper flame hole rows is arranged more densely than the inner side. In the pottery cooker according to claim 4 or 7, at least the foremost upper flame hole row of the upper flame hole rows of the upper burner is formed to incline toward the back side. The pottery cooker according to claim 5 is composed of a pipe type burner group in which the lower burners are arranged in a substantially horizontal direction, and a strip-shaped combustion plate type burner group in which the upper burners are arranged in a substantially horizontal direction. .

[0008]

According to the pottery cooker of the present invention as set forth in claims 1 to 5, since the lower burner row of the lower burner and the upper burner row of the upper burner intersect with each other, the food to be cooked. The entire cooking object placed on the support means can be heated uniformly. As a result,
The entire object to be cooked can be uniformly cooked and it is possible to prevent uneven baking from occurring in a specific portion. Particularly, as described in claim 2, the upper flame row of the upper burner is arranged in the left-right direction, and the lower flame row of the lower burner is arranged in the front-rear direction. Since the heating from above can be strengthened, it is effective in eliminating uneven baking.

The structure of claim 3 or 6 is the simplest structure for strengthening the heating from the upper side in the vicinity of the loading / unloading port where the heating power is most likely to be weak, and the uneven burning can be eliminated at low cost. According to the configuration of claim 4 or 7, the rate of heat generation in the upper burner leaking to the outside can be reduced, and the heating efficiency is improved. With the configuration according to the fifth aspect, a pottery cooker having high thermal efficiency and the greatest practicality can be configured.

[0010]

1 to 4 show a pottery cooker according to the present invention. This pottery cooker has a box-shaped casing 1 made of a metal plate.
Is provided. In the upper half of the front surface of the casing 1, there is provided an inlet / outlet opening 11 for the food to be cooked without a door, and in the lower half, a controller box 12 is provided. An exhaust port 13 is formed on the upper surface of the casing 1, and a wire net 14 is stretched. The door is not provided at the loading / unloading port 11 for the purpose of improving the work efficiency when continuously cooking the object to be cooked. Inside the casing 1, on both the left and right sides corresponding to the inlet and outlet 11,
Left and right inner walls 1A and 1A each made of a heat-resistant metal plate and forming a firing space 10 together with the lower burner 3, the upper burner 4, and the rear wall 1B are stretched.

A horizontally long water tray insertion port 15 is provided at the lower end of the front surface of the casing 1, and a bottom 16 of the casing 1 below the lower burner 3 has a pair of left and right water trays 17, 17.
Is installed so that it can be pulled out forward. Water tray 17, 1
The gap G between the upper end of 7 and the upper edge of the water tray insertion port 15 is 30 mm
There is an air suction port 18. Inside the baking space 10, an object-to-be-cooked support 2 is installed at an intermediate portion so as to be vertically movable. The to-be-cooked object supporting means 2 has rod bodies 21 and 21 placed in front of and behind support base plates 66 and 66 to be described later, and net bodies 22 and 22 with a handle can be detachably attached to the front and rear rod bodies 21 and 21. It is placed. For grilling the skewers, each net 22 is removed, and the grilled skewers are laid over the front and rear rod bodies 21, 21.

Below the food support means 2 (the loading / unloading opening 1)
A lower burner 3 is attached to the lower part of the lower end of 1) and above the cooking target support means 2 (higher than the upper end of the inlet / outlet 11).
An upper burner 4 is attached to the. Front rod 21
The windshields 5 and 5 are attached side by side. On both the left and right sides of the casing 1, a lifting mechanism 6 for supporting the cooking target 2 is provided.
Is provided, and the operation lever 61 is installed at the right end of the front surface. The main part of the lifting mechanism 6 is the left and right inner walls 1
It is arranged between A and 1A and the left and right side walls of the casing 1.

The lower burner 3 has eight pipe-type burners 31 arranged in parallel in the front-rear direction at equal intervals. Each pipe-type burner 31 is mounted horizontally, and a large number of flame holes are arranged at the upper end to form eight lower flame hole rows 30. Above each pipe-type burner 31, a hot plate 33 having an arc-shaped cross section for preventing the juice from being applied to the pipe-type burner 31.
(See FIGS. 1 and 3) are attached in parallel. The lower burner 3 is a pressurizing burner in which combustion air is forcibly supplied by a blower, and the excess air ratio λ = 1.1 to 1
All primary combustion is performed with an air-fuel ratio of 5.

As shown in FIG. 1, the upper burners 4 each have a combustion surface inclined toward the inner side by about 5 degrees and directed downward, and as shown in FIG. 2, they are installed in parallel in the left-right direction. It is composed of combustion plate type burners 4A, 4A, 4B, 4B, 4C and 4C arranged in a pair of left and right in three rows. Combustion plate type burners 4A and 4A located at the forefront are the rod body 2 on the front side.
It is installed almost directly above 1. The combustion plate type burners 4C and 4C located at the innermost position are located in front of the rear rod body 21. This combustion plate type burner 4A, 4A, 4B, 4B,
4C and 4C form three upper flame hole rows 40.
Incidentally, in the upper burner 4 and the lower burner 3, only the right half or the left half can be selected and used.

The elevating mechanism 6 includes the operating lever 61 pivotally supported on a right side wall of the casing 1 by a support shaft 60 and the left and right guide rails 6 extending vertically in the casing 1.
2, 62 (see FIGS. 2, 3, and 4), and left and right elevating belt plates 63 and 63 that are vertically guided by the guide rails 62 and 62 to reciprocate up and down. The operating lever 61 has a long hole 64 provided at its tip (end on the far side) and a left and right lifting strip plate 6
A rod 65 provided so as to connect the lower ends of 3, 63 is loosely fitted and linked. As described above, the main parts of the lifting mechanism 6 other than the support base plate 66 are the left and right inner walls 1A, 1A.
It is arranged between A and the left and right side walls of the casing 1. The guide rails 62, 62 may be attached to the inner wall 1A.

Vertical slits 1C and 1C are formed in the left and right inner walls 1A and 1A, and left and right support base plates 66 and 66 are horizontally provided inside the left and right inner walls 1A and 1A. The left and right support base plates 66, 66 are connected shafts 6 which are arranged in the middle part through the slits 1C, 1C.
7, 67 are connected to the upper end portions of the left and right lifting strips 63, 63. The left and right ends of the front and rear rod bodies 21, 21 are respectively hung on the front ends and the rear ends of the left and right support base plates 66, 66, and the support base plates 66, 66 and the rod body 21,
Reference numeral 21 forms a rectangular frame. That is, the support base plates 66, 66 are a component of the lifting mechanism 6 and also a component of the cooking target support means 2.

As the upper burner 4, a combustion plate type burner 4A,
4B and 4C are used because they are suitable for heating the food to be cooked below by radiant heat. In addition, the lower flame hole row 30
The number of the upper flame hole rows 40 is three, whereas the combustion plate burners 4A, 4B, and 4C have a wider flame hole row than the pipe burner 31 because of the structure of the combustion plates. Due to structural restrictions. Furthermore, combustion plate type burner 4A,
The combustion surfaces of 4B and 4C are inclined to the inner side by about 5 degrees because the radiant heat generated from the combustion surface leaks out through the inlet / outlet 11 of the food item without a door and the heating efficiency is reduced. This is to prevent it. A considerable improvement in heating efficiency can also be obtained by inclining the combustion surface of the combustion plate type burner 4A located in the foremost part to the back side by about 5 degrees.

The distance between the front combustion plate type burner 4A and the intermediate combustion plate type burner 4B is 120 mm, which is set to be slightly smaller than the distance 135 mm between the intermediate combustion plate type burner 4B and the rear combustion plate type burner 4C. There is. This allows
The front side of the upper flame hole array 40 is arranged more densely than the back side thereof, and is guided by an ascending airflow in the casing 1 so that air is sucked through the food intake / unload port 11 without a door, and the temperature in the vicinity of the intake / outlet port 11 increases. The tendency of becoming low is suppressed. As a result, it is possible to solve the problem that the cooked object placed near the loading / unloading port 11 of the cooked object placed on the cooked object supporting means 2 is less cooked than the cooked object placed in the back.

In this grill cooker, a large number of fish or other objects to be cooked are placed on the upper surface of the object to be cooked support means 2, and the lower burner 3 is used.
And the upper burner 4 is ignited, and the ware is cooked. At this time, the lower flame hole row 30 of the lower burner 3 and the upper burner 4
Since the upper flame hole array 40 is provided so as to intersect with the upper flame hole array 40, the food to be cooked is uniformly heated from above and below and baked evenly. On the other hand, the lower flame hole row 30 and the upper flame hole row 4
If 0 and 0 are arranged in the same direction, uneven burning tends to occur,
If the distance between the respective flame hole rows is large, the degree of uneven burning increases. In this grill cooking, the operating lever 61 of the lifting mechanism 6 is operated according to the size of the food to be cooked and the level of the food support means 2 is adjusted appropriately.

During the cooking of porcelain, an ascending air current is generated in the casing 1 and the exhaust gas and the smoke accompanying the cooking of porcelain are discharged from the exhaust port 13. At this time, since air is sucked from the inlet / outlet opening 11 by being guided by the ascending airflow, the inlet / outlet opening 1
The temperature around 1 tends to be low. Therefore, the food to be cooked placed on the food support means 2 near the loading / unloading port 11 is
Baking is likely to be insufficient. In this case, when the upper flame hole row 40 of the upper burner 4 is set in the left-right direction, the combustion plate type burner 4A located at the forefront can be installed almost directly above the front end of the cooking target support means 2. Since the heating power of the part can be strengthened, it is possible to prevent a temperature drop near the inlet / outlet port 11.

Further, by setting the interval between the front combustion plate type burner 4A and the intermediate combustion plate type burner 4B to be narrow, it is possible to prevent the temperature drop near the inlet / outlet port 11. Further, as described above, by arranging the front side combustion plate type burner 4A at a depth of about 5 degrees, the inlet / outlet port 1
It is possible to prevent a decrease in the temperature around 1 and improve the heating efficiency as a whole.

As another embodiment of the present invention, the pottery cooker having only the upper burner in which the lower burner in the above embodiment is omitted (in this case, the upper burner 4, the object to be cooked supporting means 2 and the left and right inner walls 1A, Even in the baking space 10 surrounded by 1A), the effect of preventing uneven baking of the food can be achieved. That is, three or more upper burners 4 are arranged side by side in the left-right direction (front direction of the inlet / outlet 11), and the density of the upper flame hole row 40 is arranged so that the front side is denser than the back side. As a result, it is possible to prevent the temperature of the inlet / outlet port 11 from decreasing, and it is possible to reduce uneven baking.

Further, in the case where the upper burners 4 are arranged side by side in the front-rear direction in the left-right direction (the opening / closing direction of the inlet / outlet), at least the uppermost row of upper flame holes is provided so as to be inclined rearward to prevent uneven burning. The effect and the thermal efficiency can be improved. It is more effective to arrange the upper flame hole rows 40 so that the front side is denser than the back side and the frontmost row of the upper flame hole rows 40 is inclined toward the back side.

[Brief description of drawings]

FIG. 1 is a side sectional view of a pottery cooker.

FIG. 2 is a perspective view of a pottery cooker.

FIG. 3 is a front view of a pottery cooker.

FIG. 4 is a cross-sectional plan view of a ware cooker.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Casing 2 Cooking target support means 3 Lower burner 4 Upper burner 4A, 4B, 4C Combustion plate type burner 11 Inlet / outlet 30 Lower flame hole row 31 Pipe type burner 40 Upper flame hole row

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Masao Takagi 19-18 Sakurada-cho, Atsuta-ku, Nagoya City Toho Gas Co., Ltd.

Claims (7)

[Claims] 1. A casing having an inlet / outlet opening on the front surface, and a lower burner installed in a lower portion of the casing,
In a pottery cooker equipped with an upper burner installed in the upper part of the casing, and a cooked object supporting means horizontally installed between the lower burner and the upper burner, the lower burner is A plurality of lower flame hole rows arranged in parallel to each other, and the upper burner has a plurality of upper flame hole rows arranged in parallel to the lower flame hole row. Pottery cooker characterized by. 2. The pottery cooker according to claim 1,
The lower burner has a plurality of lower flame hole rows arranged in parallel in the front-rear direction, and the upper burner has a plurality of upper flame hole rows arranged in parallel in the left-right direction. Characteristic pottery cooker. 3. The upper burner according to claim 2, wherein
A pottery cooker characterized in that it has more than one row of upper flame holes and that the upper flame hole rows are arranged more densely on the front side than on the back side. 4. The pottery according to claim 1, wherein at least a frontmost upper flame hole row among the upper flame hole rows of the upper burner is formed so as to be inclined inward. Cooking device. 5. The combustion plate burner according to any one of claims 1 to 4, wherein the lower burner comprises a group of pipe-type burners arranged in a substantially horizontal direction, and the upper burner is arranged in a substantially horizontal direction. A pottery cooker characterized by comprising a group. 6. A casing having an inlet / outlet opening on the front surface, and an upper burner installed in an upper portion of the casing,
In a pottery cooker provided with an object-to-be-cooked support horizontally installed below the upper burner, the upper burners have three or more rows of upper rows arranged in parallel in a frontal direction of the loading / unloading opening. A pottery cooker characterized in that it has a row of flame holes, and the front side of each upper flame row is arranged more densely than the back side. 7. A casing having an inlet / outlet opening on the front surface, and an upper burner installed in an upper portion of the casing,
In a pottery cooker provided with an object-to-be-cooked support that is horizontally installed below the upper burner, at least the frontmost upper flame hole row among the upper flame hole rows of the upper burner is inclined inward. A pottery cooker characterized by being formed by.