JP2015155763A - heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to check cooking in a cooking chamber via an inspection window and improve cleanability of a grille door while shielding heat from the front glass of the grille door to ensure safety.

SOLUTION: A heating cooker comprises: a heating chamber including an outer shell member constituting a gate; heating means provided in the cooking chamber and heating a heating target article; and a door 32 abutting on the outer shell member to close the gate, and including glasses 60 and 62 on front and rear surfaces, respectively, the door 32 including a front unit 40 that includes the front glass 60 on the front surface; and a rear unit 41 including the rear glass 62 on the rear surface, the front unit 40 including a front frame 61 abutting on the outer shell member and having a hole section opened generally at a center, and a holding member 63 provided on both ends of the hole section and disposed between the front glass 60 and the front frame 61, and the rear unit 41 including a rear frame 70 including folding portions 67d fitted into the hole section on both ends and including a hole 67a covered with the rear glass 62.

COPYRIGHT: (C)2015,JPO&INPIT

Description

  The present invention relates to a heating cooker for baking an object to be cooked.

  In this type of conventional cooking device, the hot air in the cooking chamber is shielded by the glass provided on the front surface of the grill door during cooking, so the temperature of the grill door becomes high due to the hot air from the cooking chamber. It has been known.

  Therefore, in order to reduce the temperature outside the grill door and the viewing window, the window glass is doubled as shown in Patent Document 1 and an air insulation layer is provided inside, as shown in Patent Document 2, There is known one provided with an air heat insulating layer.

JP 2004-121596 A JP 2009-213684 A

  In the heating cooker of Patent Document 1, the urging spring that presses the inner window glass against the grille upper opening is held by the frame to keep the grille chamber opening hermetically sealed.

  However, since a part of the urging spring of the cited document 1 is located inside the grille upper opening having a high temperature, there is a problem that heat is easily transmitted from the urging spring to the surface frame by heat conduction.

  Moreover, since Cited Document 2 constitutes an air heat insulating layer by the grill door front plate and the front plate holding member to shield the heat, the observation window is covered with the front plate holding member and the heat shielding plate so that cooking in the cooking chamber can be performed. There is a problem that it cannot be confirmed.

  In addition, in order to perform heat insulation while ensuring visibility, a frame provided with a hole that is in contact with the outer shell member of the grill door and opened to look into the heating chamber, a rear glass that closes the hole, and a front surface from the rear glass In the example that consists of a front glass with a design printed on it, it is impossible to wipe off if the inside of the glass becomes dirty due to dirty water entering between the front glass and the rear glass during cleaning. There is.

  The present invention has been made in order to solve the above-described problem, and has a cooking chamber having an outer member constituting an entrance for taking in and out the heated object, and heating the heated object provided inside the cooking chamber. A heating unit that contacts the outer member and closes the doorway and includes a door having glass on the front side and the rear side, the front unit having front glass on the front side, and the rear side A rear unit having a rear glass, and the front unit has a front frame body having a hole that is in contact with the outer member and opened in a substantially center, and the front glass has both ends of the hole. And a holding member having the front frame body, and the rear unit includes a rear frame body having a folded portion that fits into the hole portion at both ends and a hole covered with the rear glass. Is.

  According to the present invention, the temperature of the front glass of the oven door is lowered to improve safety, cooking in the cooking chamber can be confirmed from the viewing window, and dirt adhered to the inside of the door can be easily cleaned. It is easy to use.

It is a perspective view of the state where the cooking-by-heating machine of one example was stored in the system kitchen. It is AA sectional drawing of FIG. It is explanatory drawing of the upper heater of the heating cooker of one Example. It is explanatory drawing of a lower heater. It is explanatory drawing of the grill. It is the perspective view which looked up at the oven from the bottom It is a perspective view of the door of the oven. It is BB sectional drawing of FIG. It is an expanded view of the main components of the door of the heating cooker of one Example. Part A enlarged perspective view of FIG. It is a figure of the attachment or detachment state of the glass of the heating cooker of one Example.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. Note that the present embodiment is not limited to the built-in type fitted into the system kitchen, but may be a stationary heating cooker installed in the kitchen.

  In FIG. 1, the main body 2 of the heating cooker is installed by dropping from a hole in the top plate 1 a on the upper surface of the system kitchen 1, and after the installation, an oven (roaster) 4 and an operation unit 5 described later of the main body 2 are installed in the system kitchen 1. The operation unit 5 mainly turns on / off the power of the oven 4 and selects / sets / operates a menu.

  A cooking pan (not shown) for cooking is placed on a plate 3 made of heat-resistant glass or the like disposed on the upper surface of the main body 2, and the peripheral end surface of the plate 3 is protected by a plate frame 14. .

  A placement unit 6 is drawn on the plate 3, and cooking can be performed by placing a cooking pot on the placement unit 6. The placement unit 6 includes a placement unit right 6a on the right before the upper surface of the plate 3 and a placement unit left 6b on the left, and a placement unit in the back (center rear) between the placement units 6a and 6b. A center 6c is arranged. And the heating coil unit 25 (FIG. 2) which induction-heats a cooking pot is installed in the upper part in the main body 2 so that it may be located under each mounting part 6 on both sides of the plate 3. As shown in FIG.

  Further, an upper surface operation unit 9 and an upper surface display unit 10 located on the back side of the plate 3 are provided on the front side of the plate 3, and the upper surface operation unit 9 mainly operates the heating coil unit 25.

  Inside the main body 2, a heating coil unit 25 and electronic components which are heat generating components, and a cooling fan (none of which is shown) for cooling these heat generating components are arranged.

  The rear upper surface of the main body 2 has an air inlet 7 for sucking outside air by driving the cooling fan, and an exhaust port for discharging waste heat after cooling the heating coil unit 25 and electronic components as heat generating components to the outside of the main body 2. 8 is provided. Note that waste heat of the oven 4 described later is also discharged from the exhaust port 8 at the same time.

  The oven 4 is used for baking an object to be heated such as fish, meat, and pizza, and is positioned below the heating unit of the main body 2 and is disposed on the left or right side of the front surface (in this embodiment, the main body 2 Is located on the left side.) The oven is sometimes called roaster or grill.

  Details of the oven 4 will be described next with reference to FIGS. The cooking chamber 26 of the oven 4 has a box shape provided with an entrance 26d that is an opening for taking in and out the object 30 to the front, and heating the object 30 to be heated at the upper and lower parts inside. A heater 27 (upper heater 27a, lower heater 27b) made of a heating element such as a sheathed heater is installed. An outer member 26e to which a door 32 described later is pressed is provided around the doorway 26d.

  As shown in FIG. 3, the upper heater 27 a is arranged while appropriately meandering along the front-rear direction or the lateral width direction of the cooking chamber 26, and is provided with a terminal portion 27 c extending outside the cooking chamber rear plate 26 a. The upper heater 27a is fixed to the upper surface and the rear surface of the cooking chamber 26 via fixing brackets 16a. As shown in FIG. 4, the lower heater 27b is arranged while meandering along the front-rear direction of the cooking chamber 26, and along the width direction of the grill 33, which will also be described later, on the front surface near the back side of the door 32, which will be described later. A horizontally long heat generating portion 27e is provided, and a terminal portion 27d is provided outside the cooking chamber rear plate 26a so as to be fixed to the back surface of the cooking chamber 26 via a fixing bracket 16b.

  The control unit 45 that controls the upper heater 27 a and the lower heater 27 b is disposed on the upper surface of the oven 4 at a location that is not affected by the heat from the oven 4.

  Moreover, the entrance / exit 26d of the cooking chamber 26 is closed by a door 32, the handle 11 is attached to the front side of the door 32, and the back side is hooked on a claw provided on the front surface of the tray support part 31a so as to be detachably connected. ing. The tray support 31a is fixed to a slide rail 127 fixed to the cooking chamber 26, and the tray 31 is detachably mounted on the top surface of the tray support 31a.

  The saucer 31 is configured such that a grill 33 is placed thereon, and the article 30 to be heated is placed on the grill 33.

  An exhaust outlet 29 is provided at the rear upper part of the cooking chamber 26, and the exhaust outlet 29 communicates with the exhaust outlet 8 opened on the upper surface of the rear part of the main body 2 through the exhaust passage 35.

  Further, an air purifying catalyst 34 for purifying smoke and odor generated in the cooking chamber 26 and a catalyst heater 37 for heating the catalyst 34 are disposed on the inlet side of the exhaust outlet 29, and smoke and odors are disposed on the way. Exhaust means 36 for forcibly discharging the odor out of the main body 2 from the exhaust port 8 is provided. The exhaust means 36 is composed of an exhaust fan 36a and an exhaust motor 36b.

  The catalyst heater 37 and the exhaust motor 36 b are connected to the control unit 45.

  The temperature sensor (not shown) is provided on the side surface of the cooking chamber 26 and detects the temperature inside the cooking chamber 26, and is connected to the control unit 45.

  The saucer 31 is housed in the cooking chamber 26 so as to be freely inserted and removed from the front opening thereof. A grill 33 is placed therein, and the article 30 to be heated is placed thereon.

  In FIG. 5, the grill 33 is formed in a substantially U shape with a horizontal wire 33 a arranged in parallel from the rear to the front while maintaining a predetermined gap, and both ends of the horizontal wire 33 a are fixed to the upper part. The lower part is composed of a pair of frame wires 33b placed on the inner peripheral step of the tray 31, and a holding wire 33c for holding the gap between the upper part and the lower part constant between the U-shaped parts. Is fixed.

  Next, the door 32 will be described with reference to FIGS.

  The front glass 60 is a transparent tempered glass, has a transparent part 60a in the approximate center, and the periphery of the transparent part 60a is constituted by a colored part 60b such as black. The transparent part 60a is for seeing through the state of the heated object 30 inside the cooking chamber 26 from the outside of the door 32. The coloring part 60b is configured to prevent the components of the main body 2 and the cooking chamber 26 from being seen from the front side of the main body 2 and to improve the design on the front side of the main body 2.

  A handle 11 is provided on the front side of the front glass 60 and opens and closes the door 32 on the front side of the front glass 60. The handle 11 is formed by molding a resin in order to relieve the feeling of being hot when touched and the irritation to the skin. The handle 11 includes a handle portion 11a for placing a hand, a panel portion 11b constituting a front side design across the top and bottom of the handle portion 11a on the back side of the handle portion 11a, and a front frame body to be described later on the back side of the panel portion 11b. 61 to be held and a glass receiving portion 11d that is provided on the upper back side of the panel portion 11b and holds the front glass 60 from below.

  A space 11e is formed between the handle portion 11a and the back panel portion 11b in order to suppress heat transfer to the handle portion 11a.

  A lower packing 68 and an upper packing 69 are provided on the upper and lower sides of the door 32. Smoke generated in the cooking chamber 26 during cooking is prevented from leaking from the gap between the doorway 26d and the door 32. The packing top 69 is provided with a packing fixing portion 69a for being inserted into and fixed to a fixing hole 61k provided in the frame body 61 described later. Similarly, a packing fixing portion 68 a is provided on the lower packing 68. The lower packing 68 is inserted and fixed in a fixing hole 61k provided in the lower part of the front frame 61 which will be described later.

  The protection plate 64 is provided on the upper side of the door 32. The protective plate 64 is provided to relieve the temperature when the upper side of the door 32 that has become hot during cooking is touched. The protection plate 64 is provided with a protection plate fixing portion 64a for being inserted into and fixed to a fixing hole 61h provided in the front frame body 61 described later.

  The front frame 61 is disposed on the farthest side of the door 32 and is pressed against the outer member 26e side around the cooking chamber 26 to close the entrance / exit 26d. In order to receive the heat of the cooking chamber 26, the rear surface 61a is made of stainless steel sheet metal. It is a box type provided with a folded portion 61f where the upper, lower, left and right surfaces are bent forward. The folded portion 61f is provided with a holding portion 61g whose upper tip portion is bent downward to hold the front glass 60 inside, and to fix the fixing hole 61h for fixing the protective plate 64 and the packing upper 69. A plurality of fixing holes 61k are provided. Further, the rear surface 61a is provided with a hole 61b at a substantially central portion through which the cooking chamber 26 is seen.

  The front glass 60 is sandwiched between the frame holding portion 61g and the protection plate holding portion 64a on the upper side and is sandwiched between the glass receiving portions 11d of the handle 11 on the lower side. Further, the side surface sandwiches the side surface of the front glass 60 by a folded portion 61f that is bent to the left and right of the frame.

  A holding member 63 and a holding member upper 66 made of a hard resin (for example, PBT) are provided on the rear surface of the front glass 60 with poor thermal conductivity.

  The holding member 63 and the holding member 66 are configured to be sandwiched between the rear surface 61a of the frame body and the front glass 60, and are provided on the inner side along the left and right sides and the upper side of the hole portion 61b of the frame body.

  The holding member 63 is held at the upper side by the claw portion 61 c of the frame body, and the lower side is sandwiched by the holding member fixing claw 11 d of the handle 11. Further, the holding member upper 66 is held by sandwiching the left and right with the holding member.

  The front surface 63b of the holding member 63 includes a plurality of convex protrusions 63a in the horizontal direction and a vertical protrusion 63e, and the front ends of the protrusions are in contact with the back side surface of the front glass 60. The rear surface 63c of the 63 is substantially flat and comes into contact with the inner surface 61a of the front frame 61, and the side 63d comes into contact with and fixed to the left and right folded portions 61f of the front frame 61.

  The reason why the rear surface 63c of the holding member 63 is substantially planar is that the contact area between the holding member 63 and the front frame 61 is increased so that when the door 32 is strongly closed, the holding member 63 made of a hard material is used. This is to prevent the contact surface trace from appearing on the front frame 61. Further, the front surface 63b is in contact with the back side surface of the front glass 60 by the convex portions 63a and the convex portions 63e having a plurality of convex shapes, so that the heat transfer resistance is increased in order to reduce the heat transmitted to the front glass 60. It is to do.

  Reference numeral 70 denotes a rear frame 70 for holding a rear glass 62 to be described later, which is made of a stainless steel sheet metal like the frame, and has a substantially U-shape provided with folded portions 67d on the left and right. .

  The rear frame 70 is fitted into the hole 61b of the front frame 61, and the rear surface 61a of the front frame 61 and the rear surface of the rear frame 70 are flush with the front frame 61 in a state where the rear frame 70 is fitted. It is supposed to be.

  The rear frame body 70 is provided with a hole 67a in a substantially central portion through which the cooking chamber 26 is seen through the transparent portion 60a of the front glass 60, and the periphery of the hole 67a projects forward from the rear surface 67c by the throttle portion 67b. ing. Also, a lower part 67e is provided at the lower part of the rear frame 70 to be hooked below the hole 61b of the frame, and the upper part is tightly bent to protect the edge. Further, the left and right folded portions 67d are provided with oval projections 67g, and the rear frame body 70 is fixed to the door 32 by fitting with the concave portions 63f provided on the inner side surfaces of the left and right holding members 63. It is possible.

  In addition, on the outer side (inside the cooking chamber) of the narrowed portion 67b, the rear side glass 62 described later is fixed to the rear side frame body 70 by silicon bonding so that the rear side of the rear side glass 62 is flush with the inner side surface 67a of the rear side frame body 70. Yes. An air layer 32 b is provided between the rear glass 62 and the front glass 60 in a state of being fitted to the front frame 61.

  62 is a tempered glass which is a rear glass and includes a transparent portion 62a. The transparent part 62a is for seeing through the cooking chamber 26 through the transparent part 60a of the front glass 60 and the hole 67a of the rear frame 70. In this embodiment, the rear glass 62 is a transparent glass as a whole, but a colored portion may be provided around the transparent portion 62a as long as the transparent portion 62a has a size that allows the cooking chamber 26 to be seen through.

  The front frame 61, the front glass 60, the handle 11, the holding member 63, the holding member upper 66, the packing lower 68, the packing upper 69, and the protective plate 64 constitute the front unit 40, and the rear frame 70 and the rear glass are formed. The rear unit 41 is configured as 62 so that the door 32 can be disassembled and divided into two.

  In the case of normal use, the double glass door 32 is obtained by using the front unit 40 and the rear unit 41 in a state of being fitted. Further, the inside of the glass surface facing the air layer 32b can be cleaned by removing the back unit 41 from dirt remaining on the glass surface.

  In the normal use state, the front glass 60 and the rear glass 62 form an air layer 32b in order to install with a certain space. The rear glass 62 exposed inside the cooking chamber 26 through the hole 67a inside the narrowed portion 67b of the rear frame 70 together with the back surface 61a of the front frame 61 is exposed to the hot air in the cooking chamber 26 and heated. . However, the air layer 32b provides heat insulation by air to prevent the heat of the rear glass 62 from being directly transmitted to the front glass 60, thereby lowering the temperature of the front glass 60.

  The cooking state will be described with the configuration of the present embodiment.

  When the door 32 of the oven 4 is pulled by placing a finger on the handle 11a of the handle 11, the tray support 31a that is locked to the door 32 and fixed to the slide rail 127 is pulled out and placed on the tray support 31a. A saucer 31 and a grill 33 placed on the saucer 31 appear outside the cooking chamber 26. The heated object 30 is placed on the grill 33 and the door 32 is closed. The setting of cooking and the start of heating are operated with the operation unit 5. When heated by the upper heater 27a and the lower heater 27b, the inside of the cooking chamber 26 rises to a high temperature (about 250 ° C.). And the to-be-heated material 30 is heated and can be cooked. During cooking, it is necessary to look over the inside of the cooking cabinet 26 through the sight window 32a from the outside of the door 32, and observe the color of the baking, the degree of baking, and the condition of the fire of the object 30 to be heated. If there is any, work according to the progress, such as turning it over. If it is okay to visually check, the fire is stopped, the door 32 of the oven 4 is opened, and the heated object 30 placed on the drawn grill 33 is taken up. Even during cooking or immediately after cooking, the front glass 60 of the door 32 is suppressed to about 100 ° C. or less by the structure of this embodiment.

  As described above, according to the present embodiment, the temperature of the front glass 60 of the door 32 of the oven 4 is lowered to improve safety, cooking in the cooking chamber 26 can be confirmed from the viewing window 32a, and dirt on the inside can be confirmed. In contrast, it is easy to clean and easy to use.

2 Main body 5 Operation unit 9 Upper surface operation unit 11 Handle 26 Cooking chamber 26d Entrance / exit 26e Outer member 27a Upper heater 27b Lower heater 30 Object to be heated 31 Receptacle 32 Door 33 Grill net 40 Front unit 41 Rear unit 45 Control unit 60 Front glass 60a Transparent Part 61 Front frame body 61b Hole 62a Transparent part 62 Rear glass 63 Holding member 67a Hole 67d Folding part 70 Rear frame body

Claims (1)

A cooking cabinet having an outer member that forms an entrance for taking in and out the object to be heated;
Heating means provided inside the cooking chamber for heating the object to be heated;
A heating cooker provided with a door having a glass on the front side and the rear side to close the doorway in contact with the outer member,
The door
A front unit having a front glass on the front side;
It is composed of a rear unit having a rear glass on the rear side,
The front unit includes a front frame body having a hole portion that is in contact with the outer member and opened at a substantially center, and a holding member that is provided at both ends of the hole portion and between the front glass and the front frame body. Prepared,
The said back unit was provided with the back frame which has the folding | turning part fitted in the said hole part in both ends, and had the hole covered with the said back glass, The heating cooking machine characterized by the above-mentioned.