JP2009183570A - Baking cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a baking cooker which prevents the machine from deformation influenced by heat and has high heat efficiency. <P>SOLUTION: The baking cooker has a case formed with a slit 26 which extends vertically on a side face, a burner 6 which is arranged in the case and at least in a ceiling, a pair of rack gears 21b which are fixed to counter positions on the right/left side faces in the case and extend vertically, a pair of gears 22b which respectively gear the pair of rack gears and a shaft 14 which is set with the gears concentrically and has an end extending out of the case though the slit. An end of the shaft 14 is equipped with a maintenance means a handle 18 with a working radius bigger than the gear's, a loading table which moves up and down following the vertical motion of the shaft 14 and keeps the loading table horizontally. Insulation is equipped between the rack gear and the level maintenance means. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a pottery cooker mainly used for business purposes.

  A relatively small pottery cooker for business use is placed at the storefront of the store, and a grilled net with a handle is taken in and out as needed from the outlet at the front of the case to cook the pottery. The net body is detachably mounted horizontally in the casing, and a burner is attached to both or below or one of the net body. Since such a pottery cooker handles high-grade fish such as salmon as the item to be cooked, cooking is performed while checking the amount of baking, so there is no door on the front of the case, so that the item can be easily put in and out. It has become.

Some of these cookers are provided with a lifting mechanism that lifts and lowers the grill according to the thickness and type of the object to be cooked in order to adjust the baking by the burner. For example, as shown in Patent Document 1, in a pottery cooker, an elevating mechanism includes an operation lever that is pivotally supported by a support shaft on the right side wall of the case, a left and right guide rail that extends vertically in the case 2, and Left and right elevating belt plates that reciprocate up and down as guided by the guide rails are provided. Move the operating lever up and down manually to adjust the position of the lifting plate.
JP-A-8-252175

  This commercial pottery cooker raises and lowers the grill net by the principle of the lever by raising and lowering the operating lever provided at one place on the right side. When applied, a considerable amount of force is required manually to move up and down depending on the weight of the grill net itself and the weight of the object to be cooked. Further, since the operation lever is provided only on one side and the operation is performed only from one side, the operation becomes difficult even if the device is slightly deformed by heat due to the long-term use of the pottery cooker.

  Although it is conceivable to realize a lifting mechanism using a chain, the length of the chain varies due to heat, and it is difficult to keep the grill net horizontal. In addition to this, it is also possible to provide a telescopic crank mechanism on the left and right side walls of the case, but the telescopic crank mechanism must be provided in the space on the left and right walls, and it is impossible to equip heat insulation for heat insulation. It is.

  An object of the present invention is to provide a ceramic cooker that is less susceptible to mechanical deformation due to heat and has high thermal efficiency in a medium-scale ceramic cooker.

  In order to achieve the above object, the present invention provides a case in which a slit extending in the vertical direction is provided on one side surface, a burner installed in the case at least on the ceiling, and the left and right side surfaces inside the case are opposed to each other. A pair of rack gears fixed in position and extending in the vertical direction, a pair of gears meshing with each of the pair of rack gears, and the pair of gears are provided coaxially, and extend in the left and right direction in the case to form the slit. A shaft having one end extending to the outside of the case through the handle, a handle provided at one end of the shaft, having a larger working radius than the gear, and interposed between one side of the case and the handle, A guide plate that is loosely fitted to the shaft and moves up and down following a vertical movement of the shaft as the handle is rotated, while maintaining a horizontal posture; A mounting base that moves up and down in the case following the vertical movement of the case, a maintenance means that is provided on the left and right side surfaces inside the case, and maintains the attitude of the mounting base horizontally, and between the rack gear and the maintenance means And a heat insulating material provided.

  Since the radius of the handle directly connected to the gear of the rack gear as the lifting mechanism is larger than the radius of the gear, the pottery cooker of the present invention can be lifted and lowered by turning the handle with a small force, and the number of mechanical parts Is less affected by heat. Further, the range occupied by the rack gear and the gear on the left and right walls of the case is linear, and the radius of the gear is smaller than the radius of the handle, so the proportion of the space on the left and right walls is small. In this invention, since the heat insulating material is accommodated in this surplus space, the thermal efficiency is good.

  FIG. 1 shows a pottery cooker 1 according to this embodiment. The pottery cooker 1 includes a box-shaped case 2 made of a metal plate. The upper half of the front surface of the case 2 is provided with a horizontally-long rectangular entrance 3 for taking in and out the food to be cooked, and a control device box 4 is provided on the right side. A punching plate 5 in which many small holes are punched by punching is stretched on the ceiling portion in the case 2. Two stainless bar burners 6 (see FIG. 2) are attached to the upper and lower sides of the punching plate 5 in the left-right direction. On the upper side of the stainless bar burner 6, a reflector 7 on the umbrella is attached. The punching board 5 prevents the fire of the burner 6 from directly hitting the food.

  The control device box 4 is a box provided separately from or in the same case as the case 2, and includes a power switch 4a, a power lamp 4b, a fuse 4c, a timer 4d, a first burner ignition switch 4e, and a second burner ignition switch 4f. Is provided. The timer 4d is a timer for setting the cooking time, and extinguishes the stainless bar burner 6 after the set time has elapsed. The first burner ignition switch 4e and the second burner ignition switch 4f are switches corresponding to the two stainless bar burners 6, respectively.

  FIG. 2 is a cross-sectional perspective view of the pottery cooker 1. Inside the case 2, a pottery cooking chamber 9 is formed by heat-resistant metal plates 9 a, 9 b, 9 c, 9 d, 9 e in that order on the left and right side surfaces and the upper and lower rear surfaces. Inside the metal plates 2a to 2e and the heat-resistant metal plates forming the upper and lower rear surfaces, respectively, the heat insulating materials 10a to 10e (in order of left and right side surfaces and upper and lower rear surfaces, only parts 10b and 10e are shown in FIG. Is inserted). Further, a swing door 11 swinging in the “I” direction is attached to the entrance / exit 3, and a heat insulating material 11 b (see FIG. 5) is also loaded inside the swing door 11. The swing door 11 has a door 11 made of a sheet metal having a width and height equivalent to the entrance and exit, and a handle 11a protruding from the upper edge of the center. The swing door 2 does not have a transparent window and is entirely covered with a metal plate. Stainless steel plates were used as Han plates for case 2, heat-resistant metal plates 9a, 9b, 9c, 9d, 9e and swing door 2.

  Here, the heat insulating material to be used is in the form of a block or a sheet, and heat insulating cotton such as glass fiber, ceramic fiber or rock wool is used. As will be described later, the elevating mechanism 20 of the present embodiment occupies a rectangular space in the surfaces of the left and right side surfaces 2a and 2b inside the case 2, and is therefore used by being placed beside it. The materials 10a and 10b can be rectangular in shape. For this reason, the elevating mechanism 20 of this embodiment has high productivity because it is easy to process from a commercially available sheet-like heat-resistant material.

  On the lower surface 9d of the pottery cooking chamber 9, there are provided a plurality of square columnar trays 31 on which two quadrangular tray-shaped juice dishes 30 are installed. It is possible to withdraw. The lower surface 9d is provided with a plurality of through holes 32 that reach the bottom surface of the case 2 as air intakes. An exhaust port 8 is provided on the rear surface of the case 2. Below the rear surface 9 e of the pottery cooking chamber 9, a pipe hole 8 a reaching the exhaust port 8 is provided.

  Inside the pottery cooking chamber 9, there is provided a mounting table 13 on which the food to be cooked is placed. In this embodiment, the mounting table 13 is composed of a frame 13a in which L-shaped bar plates are welded to a square and an iron plate baking dish 13b (FIG. 1) or a net (not shown) mounted on the frame 13a. It has a point structure. With this structure, the baking dish 13b or the grill can be taken out from the case 2 and the object to be cooked can be placed on the frame 13a and returned to the frame 13a. The pan frame 13a can mount one or more pans.

  The frame 13a (hereinafter referred to as a baking frame on which the baking plate 13b is mounted) is installed so as to be movable up and down by a cylindrical shaft 14. The pan frame 13 a has a rectangular shape that is slightly smaller than the plan view shape of the pottery cooking chamber 9. The left and right refractory metal plates 9a and 9b are provided with two rows of grooves 15a made of two L-shaped rods 15 each having a length in the vertical direction, on the left and right sides of the baking frame 13a. A total of four anti-swaying fittings 16 projecting from both sides of the groove protrude from the side surface. A through-hole 13c through which the shaft 14 is loosely fitted is provided on the two side surfaces of the pan frame 13a, and the pan frame 13a also moves up and down following the vertical movement of the shaft 14.

  Although the shaft 14 moves up and down while rotating, the groove 15a and the swing prevention metal fitting 16 maintain the horizontal position in which the baking frame 13a can move up and down while maintaining the horizontal state in the pottery cooking chamber 9. It has a function as a means. Such a function can be realized by other mechanisms in addition to the groove 15a and the anti-swing bracket 16. For example, it may be realized by using a pair of rollers that are in contact with each other at two locations at both ends of the front and rear frames of the pan frame 13a with a distance in the vertical direction of the front surface of the case 2.

  FIG. 3 shows a right side view. A gas pipe 16 to the burner 6 passes through the ceiling of the pottery cooking chamber 9 and is piped downward using a space behind the control device box 4, and is connected to a commercial gas supply facility via an open / close plug 14. 18 is connected. Here, the opening and closing of the opening / closing plug 17 is exposed to the outside of the case 2 and can be operated from the outside.

  A lifting mechanism 20 for the shaft 6 is provided on both the left and right sides of the case 2, and a handle 18 for manually lifting and lowering is installed on the opposite side surface of the control device box 4.

  FIG. 4 is a view showing the lifting mechanism 20. The elevating mechanism 20 has two identical ones provided at positions corresponding to the first rack gears 21a and 21b with the shafts 14 as the axes and the first rack gears 21a and 21b having the same pitch in the vertical direction at the center position in the front-rear direction in the case 2. Further, in order to maintain the meshing state of the first rack gears 21a, 21b and the gears 22a, 22b, on the opposite side of the first rack gears 21a, 21b, having the gears 22a, 22b. Second rack gears 23a, 23b meshing with the gears 22a, 22b, and vertical guide grooves 24a, 24b provided on the left and right side surfaces 2a, 2b on the back of the second rack gears 23a, 23b are provided. In the drawing, the guide groove 24b on the side surface 2b is omitted.

  The first rack gears 21 a and 21 b are fixed to the left and right side surfaces 2 a and 2 b of the case 2. The second rack gears 23a and 23b are slidably held along the guide grooves 24a and 24b from the back side of the guide grooves 24a and 24b by the two upper and lower pins 25 having the heads not less than the width of the guide grooves 24a and 24b. Yes. Accordingly, the second rack gears 23a and 23b move up and down along the guide grooves 24a and 24b upward or downward as the gears 22a and 22b rotate. The first rack gears 21a and 21b, the gears 22a and 22b, and the second rack gears 23a and 23b are provided on the left and right side surfaces 2a and 2b of the case 2, respectively, and are paired on the left and right sides. The shaft 14, the first and second rack gears 21a and 21b, and the gears 22a and 22b are all made of steel.

  Referring to FIG. 5, the left side surface 2a of the case 2 is provided with a slit 26 that passes through the heat-resistant metal plate 9a into the pottery cooking chamber 9, and the shaft 14 passes through the slit 26 and is fixed to the handle 18. Has been. The handle R has a distance R (hereinafter referred to as an action radius of the handle 18) from the center of the shaft 14 to the position of the force point P where the operator's operation is applied, which is larger than the radii of the gears 22a and 22b. For this reason, when the handle is turned, a force inversely proportional to the radius of the both is applied to the gears 22a and 22b. Further, the mass of each mechanical part used in the portion receiving the heat in the pottery cooking chamber 10 is large, and the number of parts used is small, so that the influence of deformation due to heat is small.

  Here, the shaft 14 is provided with a pair of gears 22 a and 22 b coaxially, extends in the case 2 in the left-right direction, and has one end extending to the outside of the case 2 through the slit 18.

  A disc-shaped guide plate 27 is loosely fitted between the handle 18 and the left side surface 10a of the case 2 in a state where the rotation of the central shaft 14 is allowed. On the back side of the guide plate 27, the guide block portion 28 is protruded at a position where it hits the top and bottom of the shaft 14 toward the slit 26 provided on the left side surface 2 a. The guide block portion 28 slides up and down in the slit. Thereby, the vertical guide plate 27 does not follow the rotation of the shaft 14 but moves only without changing the posture by following only the vertical movement of the shaft 14. At the same radial position R of the upper and lower guide plates 27, a large number of depressions 27a are provided at equal angular intervals. The numerical values are written in ascending order in a clockwise direction in each recess 27a to inform the operator of the height position of the baking tray frame 13a.

  On the other hand, as shown in FIG. 6, a knob 29 is provided in the vicinity of the operating point of the handle 18. The other end of the knob portion 29 is a pin 29a to be fitted into the recess portion 27a, and is urged in the rear side direction “c” of the handle 18 by a spring 29b. When the handle 18 is disposed at a position corresponding to the hollow portion 27a, when the knob portion 29 is released, the pin 29a is fitted into the hollow portion 27a, and the rotation "b" of the handle 18 is stopped. On the other hand, when rotating the handle 18, the operator pulls the knob 29 in the direction away from the case 2, whereby the pin 29 a is detached from the recess 27 a and the handle 18 is freely rotated.

  When the guide plate 27 moves up and down, a large number of plates may be shielded by using a combination shutter in order to prevent the heat of the pottery cooking chamber 9 from leaking from the slit 26 to the outside. At that time, the shutter has an extension / contraction length that does not expose the upper and lower slits 26 of the guide plate to the outside.

  In the configuration of the elevator 20 described above, the gears 22a and 22b are kept in mesh with the first rack gears 21a and 21b by the second rack gears 23a and 23b. Therefore, when the handle 18 is rotated, 2 provided on the shaft 14 is provided. The two gears 22a, 22b mesh with the first rack gears 21a, 21b and move up and down. As a result, the shaft 14 itself moves up and down. The vertical movement of the shaft 14 moves the baking tray frame 13a up and down. In the present embodiment, the rotational force of the handle 18 transmitted from one side through the cylindrical shaft 14 is evenly transmitted to the gears 22a and 22b on the left and right side surfaces 2a and 2b, and the first rack gears 21a and 21b. It will move on top. Further, since the first rack gears 21a, 21b on the left and right side surfaces 2a, 2b are lifted and lowered by meshing the teeth of the gears 22a, 22b, the baking pan frame 13a does not tilt left and right.

  Rectangular heat insulating materials 10a and 10b are arranged between the first rack gears 21a and 21b occupied by the elevating mechanism 20 and the guide grooves 15a and on the left and right side surfaces 2a and 2b other than the installation location of the horizontal maintaining means. Yes. The range occupied by the first rack gears 21a, 21b and the gears 22a, 22b on the left and right side surfaces 2a, 2b of the case 2 is rectangular and linear in the vertical direction. Similarly, the horizontal maintaining means is linear in the vertical direction. On the other hand, since the radii of the gears 22a and 22b are smaller than the working radius R of the handle, the ratio of these configurations to the space on the left and right side surfaces 2a and 2b is small. Since the heat insulating material is effectively stored using the space between the lifting mechanism 20 and the horizontal maintaining means, the heat holding efficiency in the pottery cooking chamber 9 is good. As described above, in this embodiment, the elevating mechanism 20, the horizontal maintaining means, and the heat insulating material can be arranged in parallel in the surfaces of the left and right side surfaces 2a and 2b of the case 2, so The length of the direction is also shortened.

  In the pottery cooker 1, the doorway 3 is closed by the swing door 11 during the pottery cooking. Accordingly, the inside of the pottery cooking chamber 9 is in a state where the walls in all six directions are surrounded by the heat insulating material. For this reason, during cooking, the inside of the pottery cooking chamber 9 cannot be looked at, and the degree of baking of the cooking object cannot be confirmed. However, since the food to be cooked is repeatedly cooked in a large amount in the same mass, there is almost no actual work to perform while confirming the baking status in each cooking. Therefore, in the pottery cooker 1 of the present embodiment, the timer 4d is installed for the baking time, and the baking is performed based on the expected time. If necessary, the interior of the swing door 11 may be opened small.

  In the said Example, although the to-be-cooked object shall be baked using the baking pan 13a, it is not cared about as a grill. The example of the baking pan 13a has been described because the cooking object is not seized by drawing oil on the baking tray 13a or by applying a fluorine processing or a seizure prevention treatment. This is because it is difficult or impossible to perform processing and processing. Of course, it is possible to use a grill, and in that case, a burner may be provided on the lower side of the pottery cooking chamber 9 so that it is baked from both the upper and lower sides.

  In the above embodiment, the second rack gears 23a and 23b and the guide grooves 24a and 24b are used. However, in order to maintain the meshing between the first rack gears 21a and 21b and the gears 22a and 22b, other mechanisms are used. May be used. For example, an L-shaped steel material may be fixed up and down from the left and right side plates of the case 2, and the gear may be sandwiched between the first rack gear and 21a and 21b. Further, only the left side surface 2a of the case 2 is provided with a slit 26 that penetrates through the heat-resistant metal plate 9a into the pottery cooking chamber 9, but the right hot metal plate 9b further guides the shaft up and down by left and right side slits. You may do it. In this case, smoothness is lost in the vertical movement of the elevating mechanism, but the number of parts can be reduced.

  Further, in the present embodiment, the swing door 11 does not have a transparent window, but an entrance through which the inside can be seen may be provided and heat insulating glass may be loaded.

1 is a front view of a pottery cooker 1. FIG. It is the perspective view which made a part of pottery cooker 1 a section. 3 is a perspective view of the lifting mechanism 20. FIG. It is a right view of the pottery cooker 1. Left side view of pottery cooker 1 It is a partial cross section figure of a handle.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pottery cooker 2 Case 4 Control apparatus box 9 Pottery cooking chamber 10 Heat insulating material 11 Swing door 14 Shaft 18 Handle 27 Guide plate 21a, 21b 1st rack gear 22a, 22b Gear 23a, 23b 2nd 2 rack gear

Claims (4)

A case provided with a slit extending in the vertical direction on one side surface;
A burner installed in the case and at least on the ceiling;
A pair of rack gears fixed in opposite positions on the left and right side surfaces of the case inside and extending in the vertical direction;
A pair of gears meshing with each of the pair of rack gears;
A shaft in which the pair of gears are provided coaxially, extends in the left-right direction in the case, and has one end extending to the outside of the case 2 through the slit;
A handle provided at one end of the shaft and having a larger working radius than the gear;
It is interposed between one side surface of the case 2 and the handle, is loosely fitted to the shaft, and follows the vertical movement while maintaining the horizontal posture with respect to the vertical movement of the shaft by rotating the handle. A guide board to
A mounting base that moves up and down in the case following the vertical movement of the shaft;
Maintenance means provided on the left and right side surfaces of the inside of the case, and maintaining the posture of the mounting table horizontally;
A pottery cooker provided with a heat insulating material provided between the rack gear and the maintaining means.   2. The guide plate according to claim 1, wherein the guide plate has a plurality of depressions on a circumference centered on the shaft, while the handle has a depression formed at a radial position corresponding to the depression by an operator's operation. The pottery cooker characterized by having a pin which detaches from.   3. The pottery cooker according to claim 2, wherein each of the left and right side surfaces on the inner side of the case has rack gears that move up and down while meshing with the gears at positions opposite to the rack gears with the gears interposed therebetween.   In Claim 2, the said case has an entrance / exit which accesses the inside of case 2 in the front, has an oscillating door which swings with a fulcrum on both sides of the lower end part of said entrance / exit, and closes the entrance / exit, A pottery cooker characterized in that a heat insulating material is contained in the swing door.

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