JP2007218508A - Cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cooker provided with a door having a wooden handle with favorable appearance in design, a smooth feel and a massive feeling to which heat is hardly transferred even if the inside of a heating chamber is heated to a high temperature by cooking. <P>SOLUTION: The cooker comprises a body case 1 having an opening 2 at the front and including the heating chamber 3, a heating means 5 and the like, and the door 10 opening and closing the opening 2 of the body case 1. The door 10 comprises a design frame 11 constituting the circumferential wall, a glass holding frame 21 installed at the front side of the design frame 11 to hold front glass 31, a handle support member 41 installed at the upper front side of the glass holding frame 21, the wooden handle 61 attached to the front side of the handle support member 41, and a back body 71 having rear glass and installed at the back side of the design frame 11. The handle 61 is fixed to the handle support member 41 with a screw 81 inserted to the handle support member 41 from the back side of the design frame 11. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a heating cooker, and more particularly to a structure of a handle provided on a door that opens and closes an opening of a heating cooker.

  A conventional high-frequency heating cooker includes a high-frequency oscillation device, a cooking chamber for heating food, and a door device having a door handle that is attached to the front of the cooking chamber so as to be openable and closable. A handle spacer made of synthetic resin is inserted between the door body of the device and a metal member such as stainless steel, and between the metal member and the metal door handle, and inserted from the back side of the door body. There are some which are designed to increase the strength of the door handle and reduce the temperature of the handle portion of the door handle by fixing the door handle with a screw (for example, see Patent Document 1).

Japanese Patent Laid-Open No. 7-119986 (page 2-3, FIG. 1)

In the high-frequency heating cooker of Patent Document 1, the handle portion of the door handle of the door device is made of a metal material, and the door handle is fixed by a screw inserted from the back side of the door body. However, since the heat in the cooking chamber is directly transmitted from the door main body to the door handle via the screw, the grip portion may become hot.
In addition, the handle part is made of a metal material, so the appearance is poor, and some metal handle parts have a wood grain print, but they are not heavy and touch in either case. There was a problem that the touch was not good.
Furthermore, since the handle portion of the door handle is made of a metal material, the processing when the high frequency cooking device is discarded is troublesome.

  The present invention has been made to solve the above-described problems, and even when the heating chamber is heated to a high temperature by cooking, the heat is not easily transmitted, and on the other hand, the wood has a heavy texture that looks good and has a good texture. It aims at providing the heating cooker provided with the door which has a handle.

  A heating cooker according to the present invention includes a main body case having an opening on the front surface and provided with a heating chamber, heating means, and the like, and a door for opening and closing the opening of the main body case. The handle is made of wood.

  The present invention can improve the design because the door handle is made of wood, and heat is not easily transmitted to the handle even if the heating chamber becomes hot due to cooking, and it is easy to use, so cooking is easy to use Can be obtained.

[Embodiment 1]
1 is a schematic longitudinal sectional view of a heating cooker according to Embodiment 1 of the present invention, and FIG. 2 is a front view of FIG. In the following description, the left side of FIG.
A heating chamber 3 having an opening 4 on the front side is installed in a box-shaped main body case 1 provided with an opening 2 on the front side.

A magnetron 5 that generates microwaves as heating means is installed on the back side of the heating chamber 3, and a waveguide 6 that guides the microwaves generated in the magnetron 5 to the heating chamber 3 is provided below the heating chamber 3. Is provided. Reference numeral 7 denotes a heater provided in the upper part of the heating chamber 3.
On the front side of the main body case 1, a door 10 that opens and closes the opening 2 is provided by hinges (not shown) provided on both lower sides, and an operation unit 8 is installed alongside the door 10. Yes.

Next, the door 10 that opens and closes the opening 2 of the main body case 1 will be described with reference to a front view of FIG. 3 and an exploded perspective view of FIG.
The door 10 includes a design frame 11 that constitutes a peripheral wall, a glass holding frame 21 that is attached to the front side of the design frame 11 and holds the front glass 31, and a handle support that is attached to the upper front side of the glass holding frame 21. A member 41 and a wooden handle 61 attached to the handle support member 41, a heat shield plate 65 attached to the upper part on the back side of the design frame 11, and a rear body provided with rear glass and attached to the back side of the design frame 11 It consists of 71 mag.

  The design frame 11 is made of, for example, a heat-resistant synthetic resin, has a large opening 12 on the front side, and a flat fixed wall 14 hangs down on the front side of the upper wall via a step portion 13. The front side of the side wall (the right side in the figure) is formed in the same plane as the fixed wall 14. The fixed wall 14 is provided with a plurality of through holes 15a to 15e. Between the through holes 15a and 15b and between the 15d and 15e, rectangular through holes 16a and 16b are provided. Further, the upper surface of the lower wall has a locking claw and a predetermined gap g between the inner wall surface of the lower wall (this gap g corresponds to the thickness of the rib 26 provided in the lower part of the glass holding frame 21). The back portions 71 are provided with locking portions 17a and 17b, and a support arm 18 for supporting the glass holding frame 21 is provided on the inner wall of the other side wall (left side in the figure). Although not shown, a locking portion for the back body 71 is also provided on the lower surface of the upper wall.

  The glass holding frame 21 is made of, for example, a heat-resistant synthetic resin and has a size that can be attached to the front side of the design frame 11 and is formed in a substantially U shape with one side (the right side in the figure) opened. The lower surface of the upper frame is provided with an abutment rib 22 in which the back side abuts against the fixed wall 14 of the design frame 11 via the stepped portion and the handle support member 41 abuts on the front side. The rib 22 is provided with substantially inverted U-shaped cutouts 23a to 23c corresponding to the through holes 15a, 15c and 15e provided in the fixed wall 14 of the design frame 11, and the through holes 15b and 15d and the through holes Corresponding portions 16a, 16b are provided with long cut portions 24a, 24b in the lateral direction.

Further, the lower frame and side frames, gap g ₁ from the inner wall surface (the gap g ₁ corresponds to the plate thickness of the front glass 31) and retaining rib 25a~25c is provided at a, the lower frame On the lower surface, there is provided a rib 26 inserted into a gap g formed between the inner wall surface of the lower wall of the design frame 11 and the locking portions 17a and 17b. Note that a stopper 27 is provided at the free end of the lower frame to be bent toward the front side to prevent the front glass 31 from escaping.
The front glass 31 has a corner cut (hereinafter referred to as a cut portion 32), and the shape of the cut portion 32 can be selected as appropriate, such as an arc shape or a step shape.

  The handle support member 41 is made of, for example, a heat-resistant synthetic resin, and is substantially equal to the horizontal length of the glass holding frame 21 and is substantially equal to or slightly smaller than the vertical width of the fixed wall 14 of the design frame 11. The main body 42 is provided with a stopper 43 that is bent inward at one end (opening side of the glass support frame 21) and prevents the front glass 31 from escaping. The protrusion 44 is provided in a range slightly longer than the distance between the through holes 15b and 15d provided in the fixed wall 14, and a through hole is provided at a position corresponding to the through holes 15b and 15d on the front side of the protrusion 44. Handle attachment portions 45a and 45b having protrusions are provided, and a space portion (air layer) 46 is formed between both handle attachment portions 45a and 45b.

  Further, as shown in FIG. 5, recessed portions 47a and 47b are formed on the outer periphery of the handle mounting portions 45a and 45b on the back side of the main body 42, and the handle mounting portions 45a and 45b are formed in the recessed portions 47a and 47b. Guide portions 48 a and 48 b that protrude from the back surface of the main body portion 41 are provided in a protruding manner. 49a, 49b, 49c are fixed studs 50a, 50b of the back member 61 projecting so as to be inserted into the through holes 15a, 15c, 15e of the fixed wall 14 of the design frame 11 on the back side of the main body 42. This is a locking piece that has a locking claw at the tip, is inserted into the through holes 16a and 16b of the fixed wall 14, and locks into locking holes 67a and 67b of a heat shield plate 65 described later.

  61 is made of wood and is a handle having the same length as the main body portion 42 of the handle support member 41, and on the back side, as shown in FIG. 5, corresponding to the handle mounting portions 45 a and 45 b of the handle support member 41, Nuts 62a and 62b are embedded. Reference numeral 63 denotes a handle portion provided in the vicinity of the central portion in the longitudinal direction. The handle 61 is not limited to the shape shown in the figure, and may be other shapes such as a circular cross section and an oval shape as long as it is wooden.

  The heat shield plate 65 attached to the back surface side of the fixed wall 14 of the design frame 11 is formed to be approximately the same length as the main body portion 42 of the handle support member 41 by a metal plate or a heat-resistant synthetic resin plate, for example. Through holes 66a and 66b are provided corresponding to the through holes 15b and 15d provided in the fixed wall 14 of the design frame 11, and a cutout portion 66c whose upper part is opened is provided corresponding to the through hole 15c. 67a and 67b are locking holes that are provided corresponding to the through holes 16a and 16b of the fixed wall 14 and that the locking pieces 50a and 50b of the handle support member 41 are locked.

  For example, the back body 71 is formed in a size that can be inserted into the back side of the design frame 11 by bending a metal plate, and the peripheral wall 72 is bent substantially horizontally to the front side as shown in FIG. It is then bent vertically upward, then bent almost horizontally on the back side, and further bent downward to form a substantially quadrangular cross section. A rectangular window portion 74 protruding to the front side is provided on the front surface side, and the front side of the window portion 74 is covered with a net-like or punching metal-like material provided with a large number of small holes 75, and the window portion A rear glass 76 (see FIG. 6) is attached to the rear surface side of 74. Locking holes 77a and 77b (not shown in the lower frame) for locking to the locking portions 17a and 17b provided in the design frame 11 are provided on the upper surface of the upper frame and the lower surface of the lower frame. On the front side of the upper frame, through holes 78 a to 78 c are provided corresponding to the fixing studs 49 a to 49 c of the handle support member 41.

Next, an example of a procedure for assembling the door 10 composed of the above parts will be described.
First, the glass holding frame 21 is positioned on the front side of the design frame 11, and a rib 26 provided on the lower surface of the lower frame is formed between the inner wall surface of the lower wall of the design frame 11 and the locking portions 17a and 17a. The side frame is placed on the support arm 18 and the contact rib 22 is placed on the fixed wall 14.
Next, the front glass 31 is positioned on the front side of the design frame 11, and the lower edge and side edge thereof are formed in the gap g ₁ formed between the lower frame of the glass holding frame 21, the side frame, and the ribs 25 a to 25 c. Insert the upper edge portion on the fixed wall 14 of the design frame 11. At this time, a gap is formed between the lower edge of the abutment rib 22 of the glass holding frame 21 and the upper edge portion of the front glass 31, and a through hole 15a provided in the fixed wall 14 of the design frame 11 is formed in this gap. To 15e and through holes 16a and 16b are located. Next, the heat shield plate 65 is brought into contact with the fixed wall 14 from the back surface of the design frame 11.

  Next, the handle support member 41 is placed on the abutment rib 22 of the glass holding frame 21 and the upper edge of the front glass 31 with the handle attachment portions 45a and 45b positioned on the front side, and fixed studs 49a to 49a ~. 49c is inserted into the through holes 15a, 15c, 15e of the design frame 11, and the locking pieces 50a, 50b are inserted into the through holes 16a, 16b of the design frame 11, and the locking holes 67a, 67b of the heat shield plate 65 are inserted. And temporarily fix. At this time, the through holes 66a and 66b of the heat shield plate 65, the through holes 15b and 15d of the design frame 11, and the guide portions 48a and 48b of the handle support member 41 and the holes of the handle mounting portions 45a and 45b are located on the same line. To do.

  Next, the handle 61 is brought into contact with the handle attachment portions 45a and 45b of the handle support member 41 from the front surface side of the design body 11, and the nuts 62a and 62b are aligned with the holes of the handle attachment portions 45a and 45b. Screws 81 inserted through the through holes 66a and 66b are screwed into the nuts 62a and 62b and fixed.

Next, the back body 71 is fitted on the back side of the design frame 11, and the locking holes 77 a and 77 b provided in the upper frame and the lower frame are locked to the locking portions 17 a and 17 b provided in the design frame 11. Further, screws 82 (see FIG. 6) are inserted into the through holes 78a to 78c provided in the upper frame from the back side, and are screwed into the fixing studs 49a to 49c of the handle support member 41 to be fixed. This completes the assembly of the door 10. The state at this time is shown in FIG.
As shown in FIGS. 1 and 2, the door 10 assembled in this manner is attached to the opening 2 of the main body case 1 so as to be openable and closable by hinges (not shown) provided on both sides of the lower part.

  As shown in FIG. 6, the handle 61 provided on the door 10 as described above holds the fixed wall 14 and the front glass 31 of the design frame 11 by the handle support member 41 and the heat shield plate 65, and the heat shield plate. Since the screw 81 inserted from the back side of 65 is screwed into and fixed to a nut 62 embedded in a wooden handle 61 abutting against the tip ends of the handle attachment portions 45a and 45b protruding from the handle support member 41, The front glass 31 does not move and the handle 61 does not rattle.

  Further, the outer periphery of the back body 71 is bent into a substantially square shape on the front side to form a peripheral wall 72, and the front side of the peripheral wall 72 is screwed and fixed to a fixing stud 49 provided on the back of the handle support member 41, Since the space portion S is formed between the heat shield plate 65 and the screw 81 that fixes the handle 61 does not directly contact the back body 71 as in the prior art, and between the design frame 11 and the screw 81. Since the heat shield plate 65 is interposed in the heat transfer to the handle 61 in the heating chamber 3 that has become hot due to cooking, the handle 61 is made of wood. 61 does not get hot. Further, since heat is not easily applied directly to the wooden handle 61, it is possible to prevent warpage and cracking from being promoted. Further, since the heat shield plate 65 also serves as a washer, the looseness of the screw 81 can be prevented. Furthermore, since the handle 61 is made of wood, it is easy to handle the handle when disposing of the cooking device, and an environment-friendly cooking device can be obtained.

  As described above, the heating cooker according to the present embodiment is not easy to use because the heat of the heating chamber 3 is not transferred to the handle 61 of the door 10 and thus becomes hot, and the handle 61 is made of wood. As a result, it is profound and textured, and the design of the cooking device can be improved.

[Embodiment 2]
FIG. 7 is a cross-sectional view of the main part of the door of the heating cooker according to the second embodiment. The same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
In the present embodiment, a screw 81 is inserted into the guide bodies 48a and 48b of the handle support member 41 to fix the handle 61 to the handle mounting portions 45a and 45b, and the body portion 42 in the vicinity of the recessed portions 47a and 47b. A pair of upper and lower locking pieces 51a and 51b having locking claws are provided on the back surface, and the locking pieces 51a and 51b are respectively inserted into locking holes (not shown) provided in the heat shield plate 65 correspondingly. And the handle support member 41 is attached to the design frame 11.

  The effect of the present embodiment is almost the same as in the case of the first embodiment. However, since the screw 81 is inserted into the guide bodies 48a and 48b of the handle support member 41, the distance between the screw 81 and the back body 71 is increased. Furthermore, since it can isolate | separate, the heat transfer to the screw 81 can further be reduced.

  In the above description, the case where the present invention is implemented in the illustrated high-frequency heating cooker is shown, but the present invention is not limited to this, for example, a high-frequency heating cooker or heating means provided with an operation unit above the door 10. The wooden handle according to the present invention can also be attached to a door of a heating cooker using a heater or a roaster door of a heating cooker.

It is a typical longitudinal cross-sectional view of the heating cooker which concerns on Embodiment 1 of this invention. It is a front view of FIG. It is a front view of the door of FIG. It is a disassembled perspective view of the door of FIG. It is a rear view of the handle support member and handle of FIG. It is an enlarged view of the principal part of the door of FIG. It is sectional drawing of the principal part of the door of the heating cooker which concerns on Embodiment 2 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body case, 2 Opening part, 3 Heating chamber, 10 Door, 11 Design frame, 14 Fixed wall, 21 Glass holding frame, 22 Abutment rib, 31 Front glass, 41 Handle support member, 45a, 45b Handle attachment part, 49a 49b Fixed stud, 50a, 50b, 51a, 51b Locking piece, 61 handle, 65 heat shield, 71 back body, 72 peripheral wall, 76 back glass.

Claims (8)

A main body case having an opening on the front surface and provided therein with a heating chamber, heating means, and the like, and a door for opening and closing the opening of the main body case,
A heating cooker characterized in that a handle provided on the door is made of wood. The door includes a design frame constituting a peripheral wall, a glass holding frame that is mounted on the front side of the design frame and holds the front glass, a handle support member that is mounted on the upper front side of the glass holding frame, A wooden handle attached to the front side of the handle support member, and a back body to which a rear glass is attached and attached to the back side of the design frame,
The cooking device according to claim 1, wherein the handle is fixed to the handle support member by a screw inserted into the handle support member from the back side of the design frame. The door frame has a design wall with a peripheral wall and a fixed wall that hangs downward on the upper wall, and has a contact rib on the lower surface of the upper frame and is attached to the front side of the design frame to hold the front glass. A glass holding frame, a handle support member attached to the front side of the upper edge of the front glass and the abutment rib of the glass holding frame, a wooden handle attached to the front side of the handle support member, and a rear glass And a back body mounted on the back side of the design frame,
The cooking device according to claim 1, wherein the handle is fixed to the handle support member by a screw inserted into the handle support member from the back side of the fixed wall of the design frame.   A pair of hollow handle attachment portions project from the front side of the handle support member, and the handle is placed on the front side of the handle attachment portion by screws inserted from the back side of the fixed wall of the design frame into the handle attachment portion. The cooking device according to claim 3, wherein the cooking device is fixed. The door frame has a design wall with a peripheral wall and a fixed wall that hangs downward on the upper wall, and has a contact rib on the lower surface of the upper frame and is attached to the front side of the design frame to hold the front glass. A glass holding frame and a pair of handle mounting portions on the front side, and a plurality of locking pieces are provided on the back side, and are attached to the abutment rib of the glass holding frame and the front side of the upper edge of the front glass A handle support member, a wooden handle attached to the handle attachment portion of the handle support member, and a back body provided with a rear glass and attached to the front side of the design frame,
The handle is fixed to the handle mounting portion by a screw inserted into the handle mounting portion of the handle support member, and the locking piece of the handle support member is locked to a locking hole provided in the fixing wall of the design frame. The cooking device according to claim 1, wherein the cooking device is configured.   The cooking device according to any one of claims 2 to 5, wherein a plurality of fixed studs are provided on the back side of the handle support member, and the back body is fixed to the fixed studs.   The heating cooker according to any one of claims 2 to 6, wherein a heat shield plate is interposed on the back side of the fixed wall of the design frame. The cooking device according to claim 7, wherein a space is provided between the heat shield plate and the back body.

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