JP5919491B2 - Built-in cooking device - Google Patents

Description

  The present invention relates to a built-in cooking device incorporated in a kitchen counter of a general household.

  2. Description of the Related Art Conventionally, a built-in heating cooker configured to have substantially the same surface as a kitchen counter is provided with a step at the kitchen counter opening to provide a dedicated kitchen counter (see, for example, Patent Document 1).

  FIG. 5 shows a conventional built-in heating cooker (induction heating cooker) described in Patent Document 1. As shown in FIG.

  As shown in FIG. 5, a main body outer shell that fits into an opening provided in the kitchen counter 16, and a top plate unit that is fixed to the main body outer shell so as to cover the opening of the upper surface and the lower surface is placed on the kitchen counter 16. The top plate unit includes a top plate on which an object to be heated is placed, a top plate placed on the upper surface, and the kitchen counter. An underframe with a peripheral edge facing the upper surface of the top plate, and a decorative plate that covers an upper portion of the outer peripheral edge of the top plate, and the decorative peripheral plate sandwiches the outer peripheral edge of the underframe. As shown in FIG. 5, the built-in heating cooker has a folded portion formed by being bent on the lower surface side of the under frame. The kitchen counter 16 in which the opening to enter is formed has a top surface on which the built-in heating cooker is placed, and a step portion formed on the periphery of the opening on the top surface so as to be lower than the top surface. And has a configuration in which a predetermined clearance is provided between the lower surface of a part of the underframe and the upper surface of the stepped portion. .

JP 2006-300382 A

However, the conventional configuration shown in FIG. 5 is a general-purpose kitchen counter (JIS).
The opening size shown in A0017) cannot be installed, and there is a problem that a stepped surface must be appropriately provided on the kitchen counter in accordance with the shape of the top plate unit.

  In addition, when the top plate is within the opening dimension of the kitchen counter, the main body is held only by the folded part of the top plate unit, so if an unexpected heavy object is placed on the cooking surface, The top plate unit alone cannot be supported, and the top plate may drop off.

  The present invention has been made in view of such problems of the prior art, and provides an embedded cooking device that can be installed without processing a kitchen counter with the opening size shown in JIS A0017. It is an object.

In order to solve the above-mentioned conventional problems, the built-in heating cooker of the present invention includes a main body case that has an opening on the top surface, houses a heating source, and fits into an opening provided in a kitchen counter, And a built-in heating cooker having a main body having a top plate unit fixed to the outer shell of the main body so as to cover an opening, wherein the side wall of the main body case is convex toward the inside of the main body case. The main body case is provided with a convex portion formed by bending the side wall, and the top plate is configured to be substantially flush with the upper surface of the kitchen counter, and holds the top plate or the top plate. and the lower surface of the underframe which is obtained by securing a predetermined clearance between the upper surface of the convex portion out into the inside of the main body case.

  As a result, the top plate and the top surface of the kitchen counter are remarkably reduced in level so that they are substantially flush with each other, and the top plate is the cooking surface due to the fact that it is heavy and cannot be supported. When sunk downward, it can abut on the upper surface of the convex portion that protrudes to the inside of the main body case to support the weight.

  The built-in heating cooker of the present invention is set so that the top plate placement surface of the underframe is lower than the top surface of the kitchen counter on which the decorative plate is placed. The level difference from the top surface can be remarkably reduced, and it can be configured to be almost the same surface, improving robustness, cleanability and usability, improving the total design of the system kitchen, kitchen counter in general-purpose system kitchen Since it can be installed without being processed, the total cost can be reduced.

Sectional drawing of the principal part of the built-in heating cooker in Embodiment 1 of this invention The perspective view which each showed the main body case and the top plate unit which comprise the built-in heating cooker in Embodiment 1 of this invention The disassembled perspective view of the top plate unit which comprises the built-in type heating cooker in Embodiment 1 of this invention. Sectional drawing of the principal part of the built-in heating cooker in Embodiment 2 of this invention Cross section of the main part of a conventional built-in heating cooker

According to a first aspect of the present invention, there is provided a main body case having an opening on the upper surface to store a heating source and fitted into an opening provided in a kitchen counter, and a top plate fixed to the main body case so as to cover the opening on the upper surface A built-in heating cooker including a main body having a unit, wherein the side wall of the main body case is formed by bending the side wall of the main body case so as to be convex toward the inside of the main body case. is convex portion is provided, configured to be a top plate on the top surface and substantially the same surface of the kitchen counter, the lower surface of the underframe for holding the top plate or it said, out into the inside of the main body case is obtained by securing a predetermined clearance between the upper surface of the convex portion was.

  As a result, the top plate of the top plate and the top surface of the kitchen counter are remarkably reduced in level and are almost flush with each other. It can contact the upper surface of the convex part that protrudes inside the main body case to support the weight, improve the cleanability and usability, improve the total design of the system kitchen, and make it a general-purpose system kitchen Since it can be installed, the total cost can be reduced.

  In the second invention, in particular, a convex portion protruding to the inside of the main body case of the first invention is formed into an inclined surface.

As a result, a situation occurs in which the entire weight of the induction heating cooker cannot be supported by the lower surface of the folding unit 8 for some reason (for example, an unexpected heavy object is placed on the cooking surface). When a certain top plate sinks downward, it comes into contact with the slope of the convex part that protrudes to the inside of the main body case, and the load received from above is converted into a load that spreads the main body case in the outer peripheral direction. By dispersing, it is possible to support the total weight of the cooking device, and it is possible to avoid unexpected situations.

  A third invention is the first or second invention, in particular, in the first or second invention, the kitchen counter in which the opening into which the built-in heating cooker is inserted has a top surface on which the built-in heating cooker is placed; While the lower surface of the folding portion is brought into contact with the top surface, a predetermined clearance is secured between the lower surface of a part of the under frame and the convex portion protruding inward from the main body case, and the lower surface of the under frame A sealing material is disposed at a position where the predetermined clearance can be secured.

  Intrusion of water and dirt into the main body case 2 can be prevented.

  In a fourth aspect of the invention, particularly in the first or second aspect of the invention, the top plate unit has a top plate on which an object to be heated is placed, and the top plate is placed on and held on the top surface, and the kitchen counter An underframe that is placed in contact with the lower surface of the peripheral portion and a decorative plate that covers an upper portion of the outer peripheral edge of the top plate, and the decorative plate has an outer peripheral portion that is an outer peripheral edge of the underframe. And a folded portion formed by being bent to the lower surface side of the under frame so as to sandwich the portion.

  As a result, it is possible to improve robustness and design at the folded portion of the main body case and the top plate unit.

  In a fourth aspect of the invention, in particular, in the third aspect of the invention, at least a part of the folded portion is sandwiched between the outer peripheral edge of the underframe and the upper surface of the kitchen counter, and a part or all of the total weight of the main body. Is configured to be added to at least a part of the folded portion.

  As a result, even if the adhesive deteriorates and the adhesive strength becomes weak, or even if a strong peeling force is applied, the top plate will not fall off, and there will be no gap between the top plate and the decorative plate. It is possible to prevent water and dirt from entering the main body case from the surface.

  According to a fifth invention, in particular, in the third or fourth invention, the under frame is configured such that a surface on which the top plate is placed is lower than an upper surface of a kitchen counter on which the decorative plate is placed. It is a thing.

  As a result, the surface of the flange portion of the underframe can be disposed so as to have a height close to the top surface of the top plate, so that the height of the top surface of the decorative plate does not include the thickness of the top plate. The height from the upper surface of the kitchen counter to the upper surface of the top plate unit can be remarkably reduced, the top surface of the induction heating cooker 1 can be cleaned, and the usability and design during cooking Improves.

  In a sixth aspect of the invention, in particular, in any one of the third to fifth aspects of the invention, the under frame is disposed inside the main body case except for a portion where the top plate enters and overlaps with a folding portion of the decorative plate. It is a thing.

Accordingly, the flange portion of the under frame can be disposed so as to have a height close to the upper surface of the top plate. In addition, it is possible to eliminate the gap between the decorative plate and the upper surface of the kitchen counter.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 shows a cross-sectional view of the main part of the built-in heating cooker in the first embodiment of the present invention, and FIG. 2 constitutes the built-in heating cooker in the first embodiment of the present invention. The perspective view which each showed the main body case and the top plate unit, FIG. 3: is a disassembled perspective view of the top plate unit which comprises the built-in heating cooker in the 1st Embodiment of this invention.

  As shown in FIGS. 1 and 3, the main body of the induction heating cooker 1 that is a built-in heating cooker has a box-shaped main body case 2 having an opening on the upper surface and an upper surface opening of the main body case 2. The top plate unit 3 is fixed to the case 2.

  The top plate unit 3 is fixed to the fixing piece 2a provided in the main body case 2 by screwing from the upper part at the rear part (for example, three locations) and hangs substantially vertically from the lower surface near the front part of the top plate unit 3. The tip of the mounting hook 4a provided in this manner is fixed to the main body case 2 with screws (for example, three locations).

  In the main body case 2, an induction heating coil 1 a for induction heating an object to be heated (for example, a metal pan) placed on the top plate unit 3, and an inverter for supplying a high frequency current to the induction heating coil 1 a A cooling device 1c for cooling the circuit 1b and internal components including the induction heating coil 1a and the inverter circuit 1b is provided.

  Further, the top plate unit 3 includes an underframe in which a top plate 5 formed of an electric insulating plate such as ceramic is formed of a rigid metal material such as a decorative plate 6 formed of a stainless steel plate and a steel plate. 4 to be integrated with each other.

  The top plate unit 3 has an intake port 3a and an exhaust port 3b, and the decorative plate 6 and the under frame 4 have corresponding openings.

  FIG. 3 shows a state before the top plate unit 3 is assembled. The folding portion 8 of the decorative plate 6 is bent vertically downward with respect to the upper surface of the top plate 5 to assemble the top plate unit 3. Later, it is bent to the lower surface side of the underframe 4.

  Further, when the top plate 5 is placed on the under frame 4, an adhesive 11 is applied to a predetermined portion located on the top plate side of the under frame 4, and the under frame 4 and the top plate 5 are bonded and fixed. doing.

  The underframe 4 is formed so as to protrude from the outer peripheral edge of the top plate 5 outwardly over the entire circumference.

  The edge of the inner peripheral edge of the decorative plate 6 is in contact with the top plate 5, is bent so as to be inclined obliquely downward toward the inside, and is inclined so as to be downwardly inclined downward. It is formed by being folded inward at the end and caulking along the lower surface of the underframe 4.

Further, an adhesive 11 applied on the upper surface of the top plate 5 is interposed between the decorative plate 6 and the top plate 5 along the outer peripheral edge of the top plate 5. A gap is not formed between a portion of the decorative plate 6 folded into the lower surface of the under frame 4 and the surface of the flange portion 7 of the under frame 4.

  Further, the under frame 4 is raised upward outside the edge of the top plate 5, and is bent substantially horizontally toward the outside at a position higher than the top surface of the top plate 5 to form the flange portion 7. By placing on the kitchen counter 9, the under frame 4 is configured to be lower than the top surface of the kitchen counter 9 on which the decorative plate 6 is folded than the surface on which the top plate 5 is placed. .

  Further, the main body case 2 is provided with a convex portion 12 that protrudes inward, and a clearance of approximately 0.5 mm is provided on a part of the lower surface of the underframe 4 and an upper surface of the convex portion 12.

  About the induction heating cooking appliance comprised as mentioned above, the effect | action and effect are demonstrated below.

  First, since the top plate 5 is sealed with the adhesive 11 over the entire periphery between the top plate 5, it prevents water and dirty liquid from entering the main body case 2 from the cooking surface.

  The top plate 5 and the under frame 4 are fixed to each other by an adhesive 11 provided at a predetermined portion, and the decorative plate 6 has a frame shape. The plate 5 is pressed from above and is folded inward at the tip of the underframe 4 over the entire circumference to form a folded portion (folded portion) 8, and the decorative plate 6 is the entire circumference of the outer peripheral end of the underframe 4. It is caulked to wrap up.

  Therefore, since the top plate 5 is mechanically fixed to the under frame 4, even if the adhesive deteriorates and the adhesive force becomes weak or a strong peeling force is applied, the top plate 5 is fixed to the under frame 4. 4 and no gap is formed between the top plate 5 and the decorative plate 6, preventing water and dirt from entering the inside of the main body case 2 from the cooking surface.

  In particular, the adhesion of metal parts by pressing or the like greatly affects the adhesion performance unless the processing oil adhering to the surface is completely degreased, so that the robustness and sealing of the top plate unit 3 is different from the conventional construction that relies solely on adhesion. Can improve the quality and stabilize the quality.

  Further, the under frame 4 is configured to be lower than the upper surface of the kitchen counter 9 on which the folding portion 8 of the decorative plate 6 is placed than the position of the surface on which the top plate 5 is placed. As shown in FIG. 1, the surface of the flange portion 7 of the underframe 4 can be disposed so as to have a height close to the top surface of the top plate 5.

  Since the height of the upper surface of the decorative plate 6 can be set to a dimension that does not include the thickness of the top plate 5, the height dimension from the upper surface of the kitchen counter 9 to the upper surface of the top plate unit 3 can be significantly reduced. The top surface of the induction heating cooker 1 can be cleaned, and the usability and design during cooking are improved.

In addition, when the clearance between the bottom surface of the underframe 4 and the upper surface of the convex portion 12 protruding to the inside of the main body case 2 is set to a predetermined value, the total weight of the induction heating cooker 1 is normally set on the lower surface of the folding portion 8. Although it is supported, there is a situation in which the entire weight of the induction heating cooker 1 cannot be supported on the lower surface of the folding unit 8 for some reason (for example, an unexpectedly heavy object is placed on the cooking surface). When the top plate 5 serving as the cooking surface sinks downward, it comes into contact with the upper surface of the convex portion 12 that protrudes to the inside of the main body case 2, the load is transmitted to the flange 10 of the main body case, and the main case 2 is folded. The lower surface of the part 8 can support the entire weight of the induction heating cooker 1, avoid unexpected situations, and can be installed in a general-purpose kitchen without adding reinforcing parts, thus reducing the total cost. That it is possible.

  In the first embodiment, the built-in induction heating cooker has been described. However, the configuration of the top plate unit shown in the present embodiment is, for example, a heating cooker using a radiant heater or gas as a heat source. Even when applied to a built-in heating cooker having heat-resistant glass or the like on the top surface, the same effects and advantages are obtained.

  The shapes of the underframe 4 and the decorative board 6 are not limited to the configuration described in the first embodiment, and may be appropriately changed within the intended range of the present embodiment.

(Embodiment 2)
FIG. 4 is a cross-sectional view of a main part of the built-in heating cooker according to the second embodiment of the present invention. Since the basic configuration of the second embodiment is the same as that of the first embodiment, the description thereof will be omitted, and the description will focus on the differences. The same functions as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted.

  The shape of the upper surface of the convex portion 12 of the main body case 2 provided with a predetermined clearance from the lower surface of the underframe 4 of the first embodiment shown in FIG. 1 is a shape protruding at a substantially horizontal angle. In the present embodiment, as shown in FIG. 4, a clearance of about 0.5 mm is provided from the lower surface of the underframe 4, and the surface that contacts the underframe 4 of the protruding portion protruding to the inside of the main body case 2 is about 45 mm. It is inclined at a degree.

  About the induction heating cooking appliance comprised as mentioned above, the effect | action and effect are demonstrated below.

  If the clearance between the upper surface of the inclined portion 13 and the lower surface R portion of the underframe 4 is set to a predetermined value, the lower surface of the folding portion 8 normally supports the entire weight of the induction heating cooker 1, but for some reason (for example, The top plate 5 serving as the cooking surface is moved downward due to a situation in which the entire weight of the induction heating cooker 1 cannot be supported by the lower surface of the folding unit 8 due to unexpected heavy objects being placed on the cooking surface. When it sinks in, it comes into contact with the inclined portion 13 that protrudes to the inside of the main body case 2, and the load is transmitted to the flange 10 of the main body case 2, and the load received from above is a load that spreads the main body case 2 in the outer circumferential direction. That is, by converting the load of the flange 10 of the main body case 2 up to 50% in the direction of increasing the amount of overhead on the kitchen counter, the load is further dispersed than in the first embodiment, Can support the total weight of the induction heating cooker 1 with the lower surface of the body case 2 and Oriawa allowed portion 8, it is possible to avoid contingencies.

  In the second embodiment, the built-in induction heating cooker has been described. However, the configuration of the top plate unit shown in the present embodiment is, for example, a heating cooker using a radiant heater or gas as a heat source. Even when applied to a built-in heating cooker having heat-resistant glass or the like on the top surface, the same effects and advantages are obtained.

  The shapes of the underframe 4 and the decorative plate 6 are not limited to the configuration described in the second embodiment, and may be appropriately changed within the intended range of the present embodiment.

  As described above, the built-in heating cooker according to the present invention can be configured on the substantially same surface as the top surface of the kitchen counter, and can reduce the total cost. It is effective for all built-in cookers with a design.

DESCRIPTION OF SYMBOLS 1 Induction heating cooker 1a Induction heating coil 1b Inverter circuit 1c Cooling device 2 Main body case 2a Fixed piece 3 Top plate unit 3a Intake port 3b Exhaust port 4 Under frame 4a Mounting hook 5 Top plate 6 Decoration plate 7 Flange part 8 Folding part 9, 16 Kitchen counter 10 Flange 11 Adhesive 12 Convex part 13 Inclined part

Claims (6)

A main body case having an opening on the upper surface for storing a heating source and fitted into an opening provided in a kitchen counter, and a main body having a top plate unit fixed to the main body case so as to cover the opening on the upper surface In the built-in heating cooker, the side wall of the main body case is provided with a convex portion formed by bending the side wall of the main body case so as to be convex toward the inside of the main body case. is and, configured to be a top plate on the top surface and substantially the same surface of the kitchen counter, the lower surface of the underframe for holding the top plate or it the upper surface of the convex portion out into the inside of the main body case Built-in heating cooker with a certain clearance between and. The built-in heating cooker according to claim 1, wherein a convex portion protruding to the inside of the main body case is formed into an inclined surface. The top plate unit includes a top plate on which an object to be heated is placed, an underframe on which the top plate is placed and held on the top surface, and a bottom surface of the kitchen counter is placed on the top surface of the kitchen counter. A decorative plate covering an upper portion of the outer peripheral edge of the top plate, and the decorative plate is formed by being bent toward the lower surface side of the under frame so that the outer peripheral edge portion sandwiches the outer peripheral edge portion of the under frame. The built-in heating cooker according to claim 1 or 2, further comprising a folded portion. At least a part of the folding part is sandwiched between the outer peripheral edge part of the underframe and the upper surface of the kitchen counter, and a part or all of the total weight of the main body is added to at least a part of the folding part. The built-in heating cooker according to claim 3. The built-in heating cooker according to claim 3 or 4, wherein the under frame is configured such that a surface on which the top plate is placed is lower than an upper surface of a kitchen counter on which the decoration plate is placed. The built-in heating cooker according to any one of claims 3 to 5, wherein the under frame excluding a portion where the top plate enters and overlaps with a folding portion of the decorative plate is disposed inside the main body case.