JP2010078172A - Heating cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a connecting section of fittings of rail units and a door from being contaminated by oil and the like. <P>SOLUTION: Door locking sections 65a, 65b of a door mounting body 56 of the fitting 55 connecting front end sections of the rail units 53a, 53b, and locking holes of a door cover in which the door locking sections 65a, 65b are inserted to engage the fitting 55 and the door 58, are disposed in a state of being located outside of a packing 61 disposed around an opening 54 of a front panel 60 when the door 58 is closed. Thus the oil, smoke, steam and the like scattering from a cooked object during cooking can be prevented from intruding into the locking holes of the door cover positioned outside of the packing 61, and the contamination of the connecting section of the fitting 55 and the door 58 can be prevented. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a cooking device that opens and closes an opening of a heating chamber by a door that slides back and forth along a rail unit.

  As a heating cooker that opens and closes an opening provided on the front surface of the heating chamber by a door that slides back and forth along the rail unit, there is a heating cooker disclosed in Japanese Patent Laid-Open No. 2006-336897 (Patent Document 1). is there. In the heating cooker disclosed in Patent Document 1, a pair of left and right rail units 2a and 2b are provided below the heating chamber 1 as shown in FIGS. Each of the rail units 2a and 2b includes a fixed rail and a movable rail that is slidable with respect to the fixed rail. The fixed rails are attached to both sides of the heating chamber 1 in the casing 3 in which the heating chamber 1 is provided. Yes. A movable intermediate rail is provided between the fixed rail and the movable rail. The intermediate rail is inserted between the fixed rail and the movable rail, and a ball can be rotated by a retainer inside and outside the intermediate rail. A retained rolling bearing is provided.

  Further, the front end portions of the movable rails in the left and right rail units 2a and 2b are connected to each other by a connection fitting (rail connecting portion) 4 in front of the heating chamber 1, and a door 5 with a handle that opens and closes the opening of the heating chamber 1. Is detachably attached to the connection fitting 4 via elastic means such as a spring.

  Around the opening in the heating chamber 1 is attached a front panel 7 that covers the front surface of the housing 3 and is formed with through-holes 6a and 6b for the left and right rail units 2a and 2b. And the packing 8 which consists of an elastic body (for example, heat resistant rubber) is attached to the lower part of the through-holes 6a and 6b in the front panel 7. FIG. The packing 8 includes a base portion 8a having an arcuate cross section and a protruding portion 8b extending upward from both ends of the base portion 8a. A protrusion formed on the back surface of the protruding portion 8b is formed on the front panel 7. The packing 8 is attached to the front panel 7 by being fitted into the hole.

  On the other hand, the substantially rectangular door 5 detachably attached to the connection fitting 4 covers a metal door cover (back cover) 9 having a viewing window 9a and the front surface of the door cover 9, as shown in FIG. It comprises a glass plate 10 and a resin handle 11 that covers the upper ends of the door cover 9 and the glass plate 10. A first opening 13 into which the first door support 12 of the connection fitting 4 is inserted is formed at the center of the lower end of the door cover 9, and there is a connection near the lower ends on both sides of the viewing window 9 a. A second opening 15 into which the second door support portion 14 of the metal fitting 4 is inserted is formed. Thus, by detachably attaching the door 5 to the connection fitting 4, the door 5 can be removed from the connection fitting 4 and cleaned as necessary.

  The door cover 9 is provided with a packing 16 made of an elastic body surrounding the viewing window 9a. The packing 16 extends horizontally along the upper edge of the door cover 9, and both ends of the packing 16 extend downward along both sides of the viewing window 9a and curve outward from the vicinity of the lower edge of the viewing window 9a. And it is arrange | positioned so that it may extend to the lower edge part of the door cover 9, and may oppose the outer side of the through-holes 6a and 6b in the front panel 7 in which the through-holes 6a and 6b of the movable rail were formed. Thus, in the closed state of the door 5, the protruding portion 8 b of the packing 8 provided on the heating chamber 1 side contacts the lower end of the packing 16, and the inside of the heating chamber 1 is externally exposed by the two packings 8, 16. It is sealed.

In the above configuration, an object to be cooked such as fish is put in the heating chamber 1,
When a heater (not shown) is energized and heated, smoke and water vapor are generated from the cooking object. Since the smoke and water vapor seal the inside of the heating chamber 1 with the two packings 8 and 16, the smoke and water vapor do not leak out of the door 5.

  However, the conventional cooking device disclosed in Patent Document 1 has the following problems.

  That is, as can be seen from FIG. 7, the packings 8 and 16 have the first opening portion 13 of the door cover 9 into which the first door support portion 12 of the connection fitting 4 is inserted in the state where the door 5 is closed, It is installed so as to surround the second opening 15 of the door cover 9 into which the second door support portion 14 of the connection fitting 4 is inserted, and the mounting positions of the rail units 2a and 2b on the connection fitting 4. Therefore, the oil, smoke, water vapor, etc. scattered from the grilled fish are caused by the first opening 13 and the second opening 15 of the door cover 9 and the connection fitting 4 and the rail unit 2a, There is a problem that the first opening 13, the second opening 15, and the connection between the connection fitting 4 and the rail units 2a, 2b cannot be prevented from being contaminated.

  FIG. 8: is principal part sectional drawing of the conventional heating cooker which does not have a door packing. Reference numeral 21 denotes a heating chamber, and a heater 22 is disposed above the heating chamber 21. In addition, a contact surface 24 is formed around the opening 23 in the heating chamber 21 so that the periphery of the door 25 comes into contact therewith.

  The door 25 includes a glass plate 26, a metallic back cover 27 that holds the glass plate 26 and has a viewing window (not shown), and a handle 28 attached to the lower portion of the glass plate 26. It is configured. A contact surface 29 is formed around the back cover 27 so as to come into contact with and contact the contact surface 24 formed around the opening 23 in the heating chamber 21. Thus, the periphery of the opening 23 in the heating chamber 21 is sealed by the door 25.

  A pair of rail units (not shown) are provided on both sides of the lower portion of the heating chamber 21 to smoothly put the food to be cooked into and out of the heating chamber 21. The configuration of the rail unit is the same as that of the cooking device shown in FIG. The front end portions of the pair of rail units are connected by a rail connecting portion 30 in front of the heating chamber 21. The rail connecting portion 30 has a shape obtained by bending a metal plate into a U-shape, and includes a flat door attachment body 31 located in the middle and door attachments located on both sides of the door attachment body 31. The rail mounting body 32 extends in a substantially vertical direction with respect to the body 31 and is fixedly inserted through the front end of the movable rail (not shown).

  Locking holes 34 into which the door locking portions 33 of the rail connecting portions 30 are inserted are formed at two positions in the lower width direction of the back cover 27. Then, the door locking portion 33 protruding upward from two places in the width direction of the door attachment body 31 of the rail connecting portion 30 is inserted into the locking hole 34 in the back cover 27 to engage with the door locking portion 33. The stop hole 34 is engaged, and by this engagement, the door 25 is detachably attached to the door attachment body 31 of the rail connecting portion 30.

  In this case, the pair of rail units are disposed on both sides of the lower portion of the heating chamber 21. Therefore, the rail connection part 30 which connects the front end part of a pair of rail unit will be located in front of the opening 23 of the heating chamber 21, and the door latching | locking part provided in the door attachment body 31 of the rail connection part 30 33 and the locking hole 34 of the door 25 that engages with the door locking portion 33 are positioned inside the contact surfaces 24 and 29. As a result, when the object to be cooked is placed in the heating chamber 21 and heated by the heater 22, oil, smoke, water vapor, etc. scattered from the object to be heated are locked in the locking hole 34 in front of the opening 23. The door locking part 33 and the locking hole 34 cannot be prevented from getting dirty.

  FIG. 9 is a cross-sectional view of a main part of a conventional cooking device that does not have door packing and has heaters at the upper and lower portions of the heating chamber 21. In FIG. 9, a heating chamber 21, a heater (first heating heater) 22, an opening 23, a contact surface 24 (heating chamber 21 side), a door 25, a glass plate 26, a back cover 27, a handle 28, a contact surface 29 (door) 25 side), rail connecting portion 30, door attachment body 31, rail attachment body 32, door locking portion 33 and locking hole 34 are exactly the same as those in the case of the heating cooker shown in FIG. Omitted.

  In the heating cooker shown in FIG. 9, in addition to the first heater 22 disposed in the upper part in the heating chamber 21, a second heater 35 is disposed in the lower portion in the heating chamber 21. Therefore, it is necessary to arrange a to-be-cooked object between the upper first heater 22 and the lower second heater 35, and has the following configuration.

  One side of a holding body support portion 36 that supports a tray holding body to be described later is attached slightly above the lower locking hole 34 in the back cover 27 of the door 25. The holding body support portion 36 has a substantially U-shaped cross section and has a holding body support groove.

  In the heating chamber 21, the above-described tray holder 37 supported by the holder support portion 36 provided on the back cover 27, the tray 38 supported by the tray holder 37, and the tray 38. And a grill 39 for placing the object to be cooked.

  The tray holding body 37 is formed in a rectangular loop shape by bending a rod of a predetermined length and connecting both ends thereof. The front edge of the tray holder 37 constitutes an engaging portion that is fitted into the holder support groove of the holder support portion 36 of the back cover 27 and engages with the back cover 27. Further, the rear end portion of the tray holder 37 is bent downward to form a bent portion 40, and the rear edge of the bent portion 40 is a slidable contact portion 40 a that is in sliding contact with the bottom surface of the heating chamber 21. Further, both side portions 41 of the tray holding body 37 have a function of holding the flange portion of the placed tray 38, and both side portions 41 and the bent portion 40 have a function of determining the position of the tray 38. is doing.

Also in this case, the engagement structure between the rail connecting portion 30 that connects the front end portions of the pair of rail units and the door 25 is exactly the same as in the case of the heating cooker shown in FIG. Also in the case of a heating cooker, oil, smoke, water vapor or the like scattered from the heated object to be cooked enters the locking hole 34 in front of the opening 23, and the door locking portion 33 and the locking hole 34 are formed. There is a problem that it is not possible to prevent contamination.
JP 2006-336897 A

  Then, the subject of this invention is the heating cooker which can prevent the connection part and the connection part which connect the front-end part of a pair of rail unit from being contaminated with the oil, smoke, water vapor | steam, etc. which are scattered from to-be-cooked material. It is to provide.

In order to solve the above problems, the heating cooker of the present invention is:
A heating chamber for heating and cooking an object to be cooked while having an opening;
An entire panel covering the periphery of the opening of the heating chamber;
A door that opens and closes the opening of the heating chamber; a pair of extendable rail units that guide the door in a direction substantially perpendicular to the opening;
A connecting member for connecting the ends of the pair of rail units to each other;
A contact surface provided on at least one of the periphery of the opening of the full panel and the surface of the door on the side of the heating chamber, and a contact surface on which the other abuts to form a close contact portion;
A locking portion provided on the connecting member and the door, and removably locking the door to the connecting member;
The locking portion is provided outside a region surrounded by the contact portion formed on the contact surface when the door is closed.

  According to the above configuration, the locking portion that detachably locks the door to the connecting member that connects the pair of rail units is configured so that when the door is closed, the area around the opening of the heating chamber in the entire panel and the door It is provided on the outer side of the close contact portion formed by contacting the contact surface provided on at least one of the periphery of the surface on the heating chamber side with the other. Therefore, oil, smoke, water vapor, etc. generated when cooking the food to be cooked stored in the heating chamber is blocked by the contact portion formed on the contact surface, and the locking portion. It is prevented from hanging.

  That is, according to this invention, it can prevent that the said latching | locking part becomes dirty with the oil, smoke, water vapor | steam, etc. which are scattered from the said to-be-cooked material.

Moreover, in the heating cooker of one embodiment,
The contact surface is provided only on one of the periphery of the opening of the full panel and the periphery of the surface of the door on the heating chamber side,
What forms the contact portion in contact with the contact surface is a packing stretched around the opening of the full panel or the surface of the door on the side of the heating chamber.

  According to this embodiment, the packing formed on the other side of the contact surface provided on either one of the periphery of the opening of the full panel and the periphery of the surface of the door on the heating chamber side is provided. The contact portion is formed by abutting. Therefore, the inside of the opening of the heating chamber can be more reliably sealed with respect to the locking portion.

Moreover, in the heating cooker of one embodiment,
The contact surface is provided only on one of the periphery of the opening of the full panel and the periphery of the surface of the door on the heating chamber side,
What forms the contact portion in contact with the abutment surface is a protrusion formed around the opening of the full panel or the surface of the door on the side of the heating chamber.

  According to this embodiment, the protruding portion formed on the other side of the contact surface provided on either the periphery of the opening of the full-surface panel or the periphery of the surface of the door on the heating chamber side. Come into contact with each other to form the contact portion. Therefore, the inside of the opening of the heating chamber can be sealed with respect to the locking portion without using packing or the like.

  That is, according to this embodiment, it is not necessary to wrap packing around the opening of the full panel or the surface of the door on the side of the heating chamber, and can be constructed at low cost.

  As is clear from the above, the heating cooker according to the present invention is configured so that when the door is closed, the locking portion for detachably locking the door to the connecting member for connecting the pair of rail units is heated on the entire panel. The heating chamber is provided on the outside of the close contact portion formed by contacting the contact surface provided on at least one of the periphery of the opening of the chamber and the periphery of the surface of the door on the heating chamber side. The inside of the opening can be sealed with respect to the locking portion.

  Therefore, it is possible to prevent oil, smoke, water vapor, or the like generated from the food to be cooked inside the heating chamber from being applied to the locking portion. That is, it is possible to prevent the locking portion from being soiled by oil, smoke, water vapor or the like scattered from the food.

  Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments.

-1st Embodiment FIG. 1: is a perspective view in the heating cooker of this Embodiment. In addition, this heating cooker may have an upper heating unit that heats an object to be cooked such as a pan at the upper part of the main body, and may be configured to be incorporated in a cabinet of a system kitchen, or may be used alone. It may be.

  In FIG. 1, a cabinet 51 that constitutes a main body is provided with a heating chamber 52 in which an object to be heated is placed and heated by heat from a heat source (not shown). A pair of left and right rail units 53 a and 53 b are provided below the heating chamber 52. The heat source is not particularly limited, and a sheathed heater using a nichrome wire, a gas burner, a superheated steam supply device, or the like can be used.

  The structure of the pair of rail units 53a and 53b is not particularly limited. For example, a fixed rail that extends in the front-rear direction on the bottom surface of the cabinet 51 below the heating chamber 52, a movable rail that is slidably inserted into the fixed rail and moves in the front-rear direction, The intermediate rail is provided between the fixed rail and the movable rail and is provided with a rolling bearing. Here, “front” in the “front-rear direction” refers to the opening 54 side in the heating chamber 51, and “rear” refers to the side opposite to the opening 54 side.

  Further, the front end portions of the movable rails in the left and right rail units 53 a and 53 b are connected to each other by a connecting metal 55 in front of the cabinet 51. The connecting metal fitting 55 has a shape obtained by bending a metal plate into a U-shape, and includes a flat door attachment body 56 located in the middle, and door attachment bodies 56 located on both sides of the door attachment body 56. The rail mounting bodies 57a and 57b extend in a substantially vertical direction and are attached and fixed to the inside of the front end portion of the movable rail. And the door 58 with a handle which opens and closes the opening 54 of the heating chamber 52 is detachably attached to the door attachment body 56 of the connection fitting 55.

  Around the opening 54 of the heating chamber 52 in the cabinet 51, through holes 59 a and 59 b are formed to cover the front surface of the cabinet 51 and through the movable rails of the rail units 53 a and 53 b on the left and right sides of the opening 54. A front panel 60 is attached. A packing 61 made of an elastic body (for example, heat resistant rubber) is attached to the front panel 60 so as to surround the opening 54. Although the structure of the packing 61 is not particularly limited, the front panel 60 includes a base portion and a lip portion supported by the base portion, and a boss formed on the base portion is inserted into a hole formed in the front panel 60. The structure attached to is common.

  On the other hand, as shown in FIG. 2, the door 58 detachably attached to the door attachment body 56 of the coupling metal 55 includes a metal door cover (back cover) 62 having a viewing window 62 a and a front surface of the door cover 62. The glass plate 63 to cover and the resin handle 64 which covers the upper end part of the door cover 62 and the glass plate 63 are comprised. The contact surface on which the packing 61 of the front panel 60 contacts and the contact portion is formed is formed by the periphery of the viewing window 62a in the door cover 62.

  Further, a step portion 62b that is bent toward the front side is formed at the lower portion of the door cover 62 over the entire width, and two doors of the connecting metal 55 are locked at two positions in the width direction of the step portion 62b. Locking holes 66a and 66b into which the portions 65a and 65b are inserted are formed. Then, the door engaging portions 65a and 65b protruding upward from two places in the width direction of the door fitting body 56 of the connecting metal fitting 55 are inserted into the engaging holes 66a and 66b in the door cover 62, so The stop portions 65a and 65b and the locking holes 66a and 66b are engaged, and the door 58 is detachably attached to the door attachment body 56 of the coupling metal 55 by this engagement. Thus, by attaching the door 58 to the connecting metal 55 in a detachable manner, the door 58 can be removed from the connecting metal 55 and cleaned as necessary.

  In this case, the through holes 59a and 59b of the front panel 60 are provided so as to be located outside the packing 61 that extends around the opening 54 in the front panel 60. Accordingly, the door locking portions 65a and 65b of the door attachment body 56 in the connecting metal 55 and the locking holes 66a and 66b of the door cover 62 are positioned outside the packing 61 with the door 58 closed. .

  In the above configuration, when an object to be cooked such as fish is put in the heating chamber 52 and the door 58 is closed and heated by heat from the heat source, smoke and water vapor are generated from the object to be cooked. Since the smoke and water vapor seal the inside of the heating chamber 52 with the packing 61 stretched around the opening 54, the smoke and water vapor do not leak out of the door 58.

  Further, as described above, the door locking portions 65a and 65b of the door attachment body 56 in the connecting metal fitting 55 and the locking holes 66a and 66b of the door cover 62 are in the front panel 60 with the door 58 closed. It is provided so as to be located outside the packing 61 stretched around the opening 54. Therefore, according to the present embodiment, oil, smoke, water vapor or the like scattered from the object to be baked does not enter the locking holes 66a and 66b of the door cover 62 outside the packing 61, and the locking is performed. It is possible to prevent the holes 66a and 66b and the engaging portion between the connecting fitting 55 and the door 58 from becoming dirty.

  In the above description, the packing 61 that seals the inside of the heating chamber 52 to the outside is stretched around the opening 54 in the front panel 60. However, the present invention is not limited to this, and the periphery of the opening 54 in the front panel 60 is made to function as a contact surface with which the periphery of the viewing window 62a of the door cover 62 abuts, and is replaced with the packing 61 on the front panel 60 side. As shown in FIG. 2, a packing 67 that seals the inside of the heating chamber 52 to the outside when the door 58 is closed at a position facing the periphery of the opening 54 of the front panel 60 in the door cover 62. It may be stretched.

  Although not described in detail, also in the present embodiment, if a tray is connected to the back surface of the door 58 or the connection fitting 55 that is detachably attached to the door attachment body 56 of the connection fitting 55, the above-mentioned Patent Document 1 Like the conventional cooking device disclosed, a drawer-type door to which the tray is connected can be configured.

Second Embodiment FIGS. 3 (a) and 3 (b) are longitudinal sectional views of the heating cooker according to the present embodiment. In addition, this heating cooker does not have a door packing, and has a heater in the upper part of a heating chamber.

  Reference numeral 71 denotes a heating chamber, and a heater (a sheathed heater using a nichrome wire) 72 is disposed above the heating chamber 71. In addition, a contact surface 74 is formed around the opening 73 in the heating chamber 71 so that the periphery of the door 75 comes into contact therewith.

  The door 75 includes a metal door cover 76 having a viewing window (not shown), a glass plate 77 that covers the front surface of the door cover 76, and a resin handle that covers the upper ends of the door cover 76 and the glass plate 77. 78. A protrusion 79 is formed around the door cover 76 and comes into contact with and abuts against a contact surface 74 formed around the opening 73 in the heating chamber 71. Thus, the periphery of the opening 73 in the heating chamber 71 is sealed by the door 75.

  Below the heating chamber 71, a pair of left and right rail units (not shown) are provided to smoothly put the food to be cooked in and out of the heating chamber 71. In addition, since the structure of this rail unit is the same as that of the case of the heating cooker shown in FIG. 1, detailed description is abbreviate | omitted. The front end portions of the pair of rail units are connected by a connecting metal fitting 80 in front of the contact surface 74 below the opening 73. The connecting metal fitting 80 has a shape obtained by bending a metal plate into a U-shape, a flat door attachment body 81 (only a cross section appears in FIG. 3) located in the middle, and the door A rail mounting body 82 that is positioned on both sides of the mounting body 81 and extends in a substantially vertical direction with respect to the door mounting body 81 and is mounted and fixed to the front end portion of the movable rail (not shown) of the rail unit. ,It is configured.

  Locking holes 84 into which the door locking portions 83 of the connection fitting 80 are inserted are formed at two places in the width direction below the lower protrusions 79 in the door cover 76. And the door latching part 83 which protruded upwards from the width direction two places in the door attachment body 81 of the connection metal fitting 80 is inserted in the latching hole 84 in the door cover 76, and latches with the door latching part 83. The hole 84 is engaged, and by this engagement, the door 75 is detachably attached to the door attachment body 81 of the connection fitting 80.

  As described above, in the present embodiment, the pair of rail units are arranged on both sides below the heating chamber 71. In addition, a locking hole 84 formed in the door cover 76 and into which the door locking portion 83 of the coupling fitting 80 is inserted is formed in the contact surface 74 formed around the door cover 76 and around the opening 73 in the heating chamber 71. It is formed on the outer side of the protruding portion 79 that comes into contact with and closely contacts. Accordingly, the connecting metal fitting 80 that connects the front end portions of the pair of rail units is positioned outside the contact portion between the protruding portion 79 and the contact surface 74. As a result, when the object to be cooked is placed in the heating chamber 71 and heated by the heater 72, oil, smoke, water vapor, etc. scattered from the object to be cooked are applied to the contact surface 74 and the protrusion 79. It is possible to prevent the door locking portion 83 and the locking hole 84 from getting dirty by entering the locking hole 84 outside the contact point.

Third Embodiment FIGS. 4 (a) and 4 (b) are longitudinal sectional views of the heating cooker according to the present embodiment. In addition, this heating cooker does not have a door packing, and has a heater in the upper part and the lower part of a heating chamber.

  4 (a) and 4 (b), a heating chamber 71, a heater (first heater) 72, an opening 73, a contact surface 74, a door 75, a door cover 76, a glass plate 77, a resin handle 78, The protruding portion 79, the connecting fitting 80, the door mounting body 81, the rail mounting body 82, the door locking portion 83, and the locking hole 84 are completely the same as in the case of the heating cooker shown in FIGS. 3 (a) and 3 (b). The detailed description is omitted.

  In the heating cooker according to the present embodiment, in addition to the first heater 72 disposed in the upper part in the heating chamber 71, a second heater 85 is disposed in the lower portion in the heating chamber 71. Therefore, it is necessary to arrange a to-be-cooked object between the upper first heater 72 and the lower second heater 85, and has the following configuration.

  Also in the present embodiment, as in the case of the second embodiment, oil, smoke, water vapor, etc. scattered from the heated object to be cooked enter the door locking portion 83 and the locking hole 84. In order to prevent this, it is necessary to dispose the connection fitting 80 provided with the door locking portion 83 outside the contact portion between the contact surface 74 and the protruding portion 79. As a result, it is pulled out in conjunction with the drawer of the door 75, and a grill plate, which will be described later, is arranged for placing the object to be cooked between the upper first heater 72 and the lower second heater 85. However, it becomes the lower part in the heating chamber 71, and the installation position of the second heater 85 is accordingly lower than the bottom surface 71a of the heating chamber 71. Therefore, in the present embodiment, the bottom surface 71a of the heating chamber 71 is formed with a concave portion through which the second heater 85 passes, and a heater duct 71b serving as a heat passage from the second heater 85 is formed.

  Further, a holding body support portion 86 for supporting a grill plate holding body, which will be described later, is attached slightly above the lower protrusion 79 in the door cover 76 of the door 75. The holding body support portion 86 has a substantially U-shaped cross section and has a holding body support groove.

  In the heating chamber 71, the above-described grill plate holding body 87 supported by the holding body support portion 86 provided on the door cover 76, and the above-mentioned food to be cooked supported by the grill plate holding body 87 are placed. The grill plate 88 is accommodated.

  The grill plate holder 87 is formed in a rectangular loop shape by bending a bar having a predetermined length and connecting both ends thereof. The front end portion of the grill plate holder 87 is bent downward and further bent so as to be substantially parallel to the bottom surface 71 a of the heating chamber 71, and the front edge thereof is the holder support portion 86 of the door cover 76. An engaging portion that is inserted into the holding member support groove and engages with the door cover 76 is configured.

  Further, the rear end portion of the grill plate holding body 87 is bent downward, is further bent so as to be substantially parallel to the bottom surface 71a of the heating chamber 71, is further bent substantially perpendicular to the bottom surface 71a, and is bent. The bent portion 89 is a sliding contact portion that is in sliding contact with the bottom surface 71 a of the heating chamber 71. Further, both side portions 90 of the grill plate holding body 87 have a function of holding the flange portion of the mounted grill plate 88, and both side portions 90 and the rear edge of the bent portion 89 are connected to the grill plate 88. Has a function to determine the position.

  Also in the case of the present embodiment, the engagement structure between the connecting metal fitting 80 that connects the front end portions of the pair of rail units and the door 75 is exactly the same as in the case of the heating cooker of the second embodiment. Therefore, even in the case of the heating cooker according to the present embodiment, the oil, smoke, water vapor, etc. scattered from the heated object to be cooked are outside the contact portion between the contact surface 74 and the protruding portion 79. It is possible to prevent the door locking portion 83 and the locking hole 84 from entering the hole 84 and becoming dirty.

  In addition, in the heating cooker of this Embodiment, as mentioned above, the connection metal fitting 80 provided with the door latching | locking part 83 is arrange | positioned on the outer side of the contact part of the contact surface 74 and the protrusion part 79. FIG. Therefore, the grill plate 88 for disposing the cooking object between the upper first heater 72 and the lower second heater 85 can be disposed in the lower portion of the heating chamber 71. Therefore, when the heating chamber 71 having the same dimensions as the conventional cooking device shown in FIG. 9 is used, it is possible to widen the heating space for the object to be cooked.

  The heaters 72 and 85 in the second and third embodiments are not limited to sheathed heaters using nichrome wire, and may be other heat sources such as gas and water vapor.

  In the second and third embodiments, the contact surface 74 is formed around the opening 73 in the heating chamber 71, and the protruding portion 79 that is in contact with and closely contacts the contact surface 74 is formed around the door cover 76. is doing. However, the present invention is not limited to this, and a contact surface may be formed around the door cover 76, and a protrusion may be formed around the opening 73 in the heating chamber 71 so as to abut against the contact surface. It does n’t matter.

  Further, the connecting metal fittings 55 and 80 in each of the above embodiments are obtained by bending the metal plate into a U-shape so that the door mounting bodies 56 and 81 located in the middle and the rail mounting bodies 57a, 57b, 82 may be formed, or the door attachment bodies 56, 81 and the rail attachment bodies 57a, 57b, 82 may be formed separately and connected to each other.

It is a perspective view in the heating cooker of this invention. It is a perspective view of the back surface of the door in FIG. It is a longitudinal cross-sectional view in the heating cooker different from FIG. 1 and FIG. It is a longitudinal cross-sectional view in the heating cooker different from FIGS. It is a perspective view in the conventional heating cooker. FIG. 6 is a detailed view of the connection fitting in FIG. 5. It is a perspective view of the back surface of the door in FIG. It is a longitudinal cross-sectional view in the conventional heating cooker different from FIGS. It is a longitudinal cross-sectional view in the conventional heating cooker different from FIGS.

Explanation of symbols

51 ... Cabinet,
52, 71 ... heating chamber,
53a, 53b ... Rail unit,
54, 73 ... opening,
55, 80 ... Connecting metal fittings,
56, 81 ... door attachment body,
57a, 57b, 82 ... rail attachment body,
58,75 ... door,
59a, 59b ... through holes,
60 ... front panel,
61,67 ... packing,
62,76 ... door cover,
62a ... Peeping window,
62b ... a step,
63,77 ... Glass plate,
64,78 ... resin handle,
65a, 65b, 83 ... door locking part,
66a, 66b, 84 ... locking holes,
72,85 ... heater,
74 ... The contact surface,
79 ... protruding part,
86: holding body support,
87 ... Grill plate holder,
88 ... Grill plate.

Claims (3)

A heating chamber for heating and cooking an object to be cooked while having an opening;
An entire panel covering the periphery of the opening of the heating chamber;
A door that opens and closes the opening of the heating chamber; a pair of extendable rail units that guide the door in a direction substantially perpendicular to the opening;
A connecting member for connecting the ends of the pair of rail units to each other;
A contact surface provided on at least one of the periphery of the opening of the full-surface panel and the periphery of the surface of the door on the side of the heating chamber;
A locking portion provided on the connecting member and the door, and removably locking the door to the connecting member;
The cooking device according to claim 1, wherein the locking portion is provided outside a region surrounded by the contact portion formed on the contact surface when the door is closed. The heating cooker according to claim 1, wherein
The contact surface is provided only on one of the periphery of the opening of the full panel and the periphery of the surface of the door on the heating chamber side,
What forms the contact portion in contact with the contact surface is a packing stretched around the opening of the full panel or the surface of the door on the side of the heating chamber. Cooking device. The heating cooker according to claim 1, wherein
The contact surface is provided only on one of the periphery of the opening of the full panel and the periphery of the surface of the door on the heating chamber side,
What forms the contact portion by abutting against the contact surface is a protrusion formed around the opening of the full panel or the surface of the door on the heating chamber side. Cooking device.

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