JP5674715B2 - Cooker - Google Patents

Description

  The present invention relates to a built-in heating cooker that is mounted in a state of being dropped into an opening established in a countertop of a system kitchen, and more particularly to a door structure of a heating chamber that opens to the front surface thereof.

  The cooker as a built-in stove that is built into the system kitchen drops the stove body into the opening formed in the countertop and locks it to the open end of the cabinet that constitutes the system kitchen. The front surface of the stove body is exposed from the front opening portion. A front panel provided with a plurality of operation units for igniting a heat source, adjusting a thermal power, etc. on the front surface of the stove body, and cooking objects such as fish and meat that are equipped in the stove body and are cooked A door of a heating chamber such as a grill is disposed so as to be freely opened and closed.

  In order to make it easier to drop the stove body into the opening, the opening on the countertop and the width of the open front part of the cabinet located on both sides of the front surface of the stove body are slightly larger than the stove body. Therefore, if the width of the front panel is set to the same width as the stove body, a gap is generated between the front panel and the front opening, and the appearance of the front of the system kitchen is impaired.

  For this reason, after dropping the stove body into the opening, an end piece is interposed in the gap between the front side of the stove body and both cabinets, and the front end of the stove body is improved in order to improve the appearance of the front side. A decorative panel that conceals the pieces is superposed on the front surface and joined.

  By the way, in general, the heating chamber provided below the stove body is provided at the left and right central portions, but in order to enlarge the heating chamber, the heating chamber may be provided on either side of the stove body.

  In such a case, the door for closing the open end of the heating cabinet is provided with a gripping part and the like, so it is difficult to overlap and join the decorative panels from the front. Therefore, it is necessary to join the decorative panel to the end of the door on the end piece side. However, in both the drawer type and the rotary type door, a bonding gap is generated between the door and the decorative panel, which impairs the beauty. It will be. Therefore, in such a heating cooker, after the stove body with the door or front panel removed is dropped into the opening, a wide door or front panel that can conceal the end piece is attached to the front of the stove body. It is possible.

  Although it is not intended for a built-in type heating cooker, utility model registration No. 2566183 (patent document 1) discloses detachment of a drawer type door with respect to a detachable heating chamber door, Japanese Patent Laying-Open No. 2007-10253 (Patent Document 2) discloses the attachment / detachment of a rotary door. In these doors, it is relatively easy to attach and detach the doors using the force of a leaf spring or a coil spring.

  However, in recent years, a cooking device has been proposed that uses the heating chamber as a convection-type oven using circulation of hot air. In such an oven, the wind pressure in the storage increases, It is required to ensure airtightness inside. For this reason, in the structure of the door of the said patent documents 1 and 2, since the adhesiveness to the open end of the heating chamber of a door is weak, there exists a problem that it is difficult to ensure the airtightness in a store | warehouse | chamber with a door.

Utility Model Registration No. 2561843 JP 2007-10253 A

  The present invention has been made in view of the above problems, and its object is to provide a built-in heating cooker and a heating chamber used as a grill or oven chamber built in the stove body. Is capable of being sealed in a state in which high airtightness is maintained by the door, and the door can be easily attached to and detached from the stove body.

The present invention taken to achieve the above object
The stove body is housed in a state of being dropped from an opening formed in the counter top on the upper surface of the cabinet. In the cooking device provided with an open end of the chamber and a substantially rectangular door that closes the open end of the heating chamber so as to be openable and closable,
The door has an insertion groove that opens downward on the lower surface of the door,
The lower area of the door is pivotally attached to the vicinity of the open end of the heating chamber by a pivoting means,
The door is urged by the urging means in a direction in which the back surface thereof is in close contact with the frame around the open end of the heating chamber,
The heating chamber and the door are connected by a coupling means having an insertion plate inserted into the insertion groove,
The difference Komiban is Rutotomoni a connecting piece for connecting the projecting piece cross the pair of projecting pieces located on both sides of the heating housing, entire difference write plate is inserted into the insertion groove of the door With configuration,
The connecting piece is a heating cooker having a locking means for detachably inserting the entire insertion plate into the insertion groove of the door.

The above means operates as follows.
The door is pivotally attached to the vicinity of the open end of the heating chamber by the pivoting means around its lower area, and the rear surface of the door is opened to the heating chamber when closed by the biasing force of the biasing means. It is set so as to be in close contact with the frame portion around the end and to keep the interior in an airtight state. If the door is rotated in the direction of tilting forward against the urging force of the urging means, the heating chamber can be opened.

  The insertion plate as a coupling means includes a pair of protruding pieces located on both sides of the heating chamber and a connecting piece for connecting the protruding pieces to each other. Since it is inserted into the insertion groove provided along the lower surface of the door, the inclination of the door can be suppressed.

  The coupling means for connecting the heating chamber and the door has the above-mentioned insertion plate, and a lock for detachably inserting the insertion plate into the insertion groove of the door into the connection piece constituting the insertion plate. Since the means is provided, when the insertion plate is inserted into the insertion groove, the insertion plate is held in a state of being prevented from coming off with respect to the door. Thereby, a door will be attached to a heating chamber via an insertion board. Moreover, the door can be removed from the insertion plate by releasing the locking means and removing the insertion plate from the insertion groove of the door.

Preferably, in the heating cooker, the rotating means includes a support piece that rotatably supports a lower area of the door, and a hinge portion that regulates an opening angle of the door,
The hinge part has a fulcrum part provided below both sides of the heating chamber, and a turning piece rotatably attached to the fulcrum part,
The urging means is attached to the rear end of the rotating piece,
A front end portion of the rotating piece is rotatably attached to a front end portion of the protruding piece, and a front end portion of the support piece is rotatably attached to a rear end portion of the protruding piece. ,
On both sides of the back surface of the door, a slit into which a rotating piece and a supporting piece attached to the protruding piece are inserted is formed,
An engagement hole communicating with the insertion groove is provided at a predetermined position near the lower side of the back surface of the door,
When the insertion plate is inserted into the insertion groove, a plate spring having an engagement convex portion that engages with the engagement hole in a one-way manner is attached to the connection piece.

  In this case, the door is pivotally attached to the open end of the heating chamber around the lower area by the support piece, and the biasing means provided at the rear end of the pivot piece of the hinge part. With the urging force, the back surface of the door is set in close contact with the frame portion around the open end of the heating chamber so that the interior can be kept airtight when closed.

  Also, when the insertion plate is inserted from the lower opening of the door insertion groove, the protruding pieces on both ends of the insertion plate are located along both sides of the door, and the connecting piece is located along the lower side of the door. The rotating piece and the support piece connected to the protruding piece travel in the slit. At this time, the front end portions of the rotating piece and the support piece are respectively attached to the front end portion and the rear end portion of the protruding piece, and the protruding pieces on both sides are connected by the connecting pieces. By inserting into the insertion groove on the lower surface of the door, the inclination of the rotating piece and the supporting piece with respect to the slit can be suppressed, and the rotating piece and the supporting piece can be smoothly inserted into the slit. Further, when the engagement convex portion of the leaf spring provided on the connecting piece corresponds to the engagement hole, the engagement spring is fitted and engaged with the engagement hole by the urging force of the leaf spring. The retaining groove is held in a retaining state. Thus, the leaf spring functions as a locking means. On the other hand, in order to remove the door, if the engaging convex portion exposed from the engaging hole of the door is forcibly pushed inward, the engagement of the engaging convex portion with the engaging hole is released. (The locking means is released) and the door can be pulled out of the insertion plate.

  Preferably, in the cooking device, a reinforcing member that covers the protruding piece inserted from the lower surface of the door is provided on both sides of the door provided with the slit.

  In this case, when the protruding piece is inserted from the lower surface of the door, the reinforcing member serves as a guide portion that guides the protruding piece, so that the rotating piece and the supporting piece can be more smoothly inserted into the slit. Further, since the protruding piece inserted into the door is covered with the reinforcing member, the movement of the protruding piece within the door can be restricted.

Preferably, in the cooking device, an end piece is provided in a gap between a front surface of the stove body and a front opening portion of the cabinet.
The door is provided near one side of the front surface of the stove body, and an extension portion that conceals the end piece is integrally formed on the side of the end piece side where the door is disposed,
The back surface of the extension portion is continuously provided so as to be positioned forward via a step with respect to the back surface of the door facing the frame portion around the open end of the heating chamber.

  When the heating cabinet is provided on either side of the stove body, when connecting the extension to the side of the door end piece in order to conceal the end piece, the back of the extension is the opening of the heating cabinet. If it is formed on substantially the same surface as the back surface of the door facing the frame portion around the end, the lower end of the extension part interferes with the end piece when the door is rotated, making it difficult to rotate the door. In this case, since the back surface of the extension portion is provided with a step so that it is located in front of the back surface of the door facing the frame portion around the open end of the heating chamber, the entire door including the extension portion can be smoothly rotated. Can be made.

  Preferably, in the heating cooker, the frame around the open end of the heating chamber has a step in the extension along the vertical direction of one side edge on the end piece side where the door is disposed. A protective wall having substantially the same protruding height is provided so as to protrude forward.

  When the heating cabinet is provided near one side of the front surface of the stove body, the end piece is easily damaged by the hot air leaking from the heating cabinet when the door is opened during cooking. However, in this case, since a protective wall having a protruding height that substantially coincides with the step is provided along the vertical direction of the one side edge of the end portion side of the frame portion, leakage occurs when the heating chamber is opened. It is possible to suppress the hot air that flows to the end piece side by the protective wall.

  Preferably, in the cooking device, an annular packing member is provided along a frame portion around an open end of the heating chamber, and the frame portion projects forward along a lower side of the packing member. It has a protruding ridge.

  When the door is urged in the closing direction by the urging force of the urging means, the interior of the cabinet can be held in an airtight state by the packing member provided on the frame portion. Further, below the frame portion, since the airtight state is maintained double by the packing member and the ridge, even if the packing member is worn down by long-term use, the airtight state can be maintained by the ridge. it can.

  As described above, according to the present invention, when the door is closed, the back surface of the door is brought into close contact with the frame portion of the heating chamber by the urging force of the urging means, so that the inside sealing can be secured. The heating chamber can also be used as an oven chamber in which the wind pressure in the chamber increases due to the circulation of hot air. Further, the door can be easily attached to and detached from the stove body by an insertion plate provided with a locking means that is inserted into an insertion groove provided in the door and locks the door in a retaining state. In this way, even when the door can ensure the tightness of the interior when closed, it is easy to detach the door from the stove body, so the stove body with the door removed is provided on the countertop. It can be dropped into the opening and installed in the cabinet, and after the installation in the cabinet, the work of attaching the door to the stove body can be easily performed.

  In addition, by engaging the engagement convex part of the leaf spring provided in the insertion plate with the engagement hole provided in the door in one way, the door is locked to the insertion plate in a retaining state, and in this locked state By pressing the engagement projection exposed from the engagement hole on the rear surface of the door, the locked state is released and the door can be removed, so that the door can be attached and detached more easily. In addition, the front end portions of the rotating piece and the support piece are respectively attached to the front end portion and the rear end portion of the protruding piece, and the protruding pieces on both sides are connected by the connecting pieces, so that they can be smoothly rotated when the door is attached. The moving piece and the supporting piece can be inserted into the slit.

  In addition, in the case where reinforcing members that cover the protruding pieces are provided on both sides of the door, the reinforcing member guides the protruding piece when the protruding piece is inserted into the insertion groove from the lower side of the door. And the support piece can be inserted more smoothly. Moreover, when the protrusion piece inserted in the door is covered with the reinforcing member, the movement of the insertion plate in the door is restricted, and rattling can be prevented.

  In addition, in the configuration in which the extension part integrally extended on the side of the door is provided, the end piece can be concealed by the extension part in which the joint gap is not formed in the front view, so that the appearance of the cabinet is further improved. . Furthermore, in the case where a step is provided so that the back surface of the extension part is positioned forward from the other part of the back surface of the door when the door is closed, interference between the door and the end piece is prevented, and the door is not rotated. It can be done smoothly.

  In addition, in the case where a protective wall is provided along the vertical direction on one side edge of the frame part of the heating chamber, even if hot air in the chamber leaks to the end piece side, the hot air leaking from the heating chamber is protected Since the flow to the end piece side is suppressed by this, the end piece can be protected from the hot air.

  In addition, the packing member and ridges are provided in the lower area of the frame around the open end of the heating chamber, and even if the packing member is worn away by long-term use, the airtight state can be maintained by the ridges. In what has been made possible, it is possible to prevent inconveniences such as a decrease in temperature inside the heating chamber due to the hot air in the heating chamber being sucked into the intake port for taking in external air provided below the heating chamber. it can.

It is a schematic perspective view which shows the heating cooker which concerns on embodiment of this invention. It is a schematic perspective view which shows the obstruction | occlusion state of the oven cabinet of the heating cooker which concerns on embodiment of this invention. It is a schematic perspective view which shows the open state of the oven cabinet of the heating cooker which concerns on embodiment of this invention. It is a schematic perspective view which shows the state which removed the door of the oven cabinet of the heating cooker which concerns on embodiment of this invention. It is a disassembled perspective view which shows the door and insertion board of the oven cabinet of the heating cooker which concerns on embodiment of this invention. It is a schematic sectional drawing of the leaf | plate spring for attaching the door of the oven cabinet of the heating cooker which concerns on embodiment of this invention so that attachment or detachment is possible. It is a schematic perspective view of the leaf | plate spring for attaching the door of the oven cabinet of the heating cooker which concerns on embodiment of this invention so that attachment or detachment is possible. It is a partially transparent schematic perspective view which shows the state which inserted the insertion board in the door of the oven cabinet of the heating cooker which concerns on embodiment of this invention. It is a schematic perspective view which shows the backplate of the door of the oven cabinet of the heating cooker which concerns on embodiment of this invention.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.
As shown in FIG. 1, the heating cooker according to the embodiment of the present invention has a heating control for a burner, a solenoid valve, an ignition device, etc. as a heating source in an opening (40) opened in a countertop (4). A stove body (2), which is a rectangular box with an open top and containing an apparatus or the like, is a built-in type gas stove that is incorporated into a cabinet of a system kitchen in a dropped state.
The top of the stove body (2) is covered with a glass top plate (41), and the flame hole portion (42) of the gas burner faces each of the three openings provided in the top plate (41). In addition, the virtues (43) are arranged at the periphery of each opening, and the exhaust port cover (44) is arranged behind the openings.

An oven cabinet (20) is arranged on the left side of the front surface of the stove body (2), and the door (3) that closes the open end of the oven cabinet (20) has the lower area as the pivot axis. It is attached so as to be able to turn forward.
On the right side of the oven cabinet (20), there is provided a front panel (22) from which a power switch (26) and an operation knob (27) having functions of ignition, extinguishing and heating power adjustment of the gas burner project.
The door (3) and the front panel (22) are set so as to be exposed from a front opening (45) provided in the cabinet.

  The width of the opening (40) of the countertop (4) is set to be larger than the width of the stove body (2), and on both the left and right sides of the stove body (2) and below the countertop (4) and on the stove. A gap (S) is formed between the cabinets located on both sides of the main body (2). This gap (S) is concealed by fitting the end piece (5) from the front surface after the stove body (2) is installed.

  The door (3) and the front panel (22) of the oven cabinet (20) are set to extend further to the left and right than both sides of the stove body (2). (5) is concealed. In this specification, the direction in which the open end and the back side of the oven cabinet (20) face each other is the front-rear direction, the width direction of the oven cabinet (20) is the left-right direction, and the height direction of the oven cabinet (20) is the up-down direction. It is called direction.

  FIG. 2 is a perspective view showing a state where the oven cabinet (20) is taken out of the stove body (2), and shows a closed state of the door (3). Similarly, FIG. 3 shows a state where the oven (20) is opened by rotating the door (3) to the front.

As shown in FIG. 2 and FIG. 3, the door (3) has both ends at the lower end at a maximum of 90 degrees in front of both outside lower ends of the oven cabinet (20) via hinges (30) and support pieces (34). The hinge part (30) and the support piece (34) constitute a rotating means.
As shown in the figure, the hinge part (30) includes a disk constituting a fulcrum part (31) provided at both lower ends of the oven cabinet (20), and a front end part (32a) that is a door ( 3) a rotating piece (32) that is rotatably attached to the disc and is fitted in a groove provided on the outer peripheral surface of the disc and is movable in the front-rear direction. A coil spring (33) is attached to the rear end portion (32b) as an urging means for urging the rotating piece (32) in the rearward pulling direction. Thereby, it becomes the aspect with which the rotation means and the biasing means were connected.
In addition, the rotating piece (32) has a recess in the lower central portion that is fitted into the fulcrum part (31), and the rotating piece (32) is rotated forward before the door (3) is attached. When moved, the concave portion engages with the fulcrum portion (31), and the rotating piece (32) is temporarily fixed in a state inclined forward (for example, 45 degrees). Thereby, the insertion plate (1) can be easily inserted into the insertion groove (36) of the door (3) when the door (3) is attached.
The support piece (34) is fixed to the side wall of the oven cabinet (20) at the rear end, and the protruding piece (11) inserted into the reinforcing member (29) of the door (3) described later at the front end. ) And rotatably supports the lower end portions on both sides of the door (3).

  As shown in FIG. 4, on the lower front side of the oven cabinet (20), there are connecting pieces (10) positioned parallel to the lower side of the open end (21) of the oven cabinet (20), and protrusions provided at both ends thereof. A substantially U-shaped insertion plate (1) is formed from the piece (11), and the front end portion (32a) of the rotating piece (32) and the front end portion (34a) of the support piece (34), respectively. The pivot piece (32) and the support piece (34) are connected via the insertion plate (1) by being rotatably attached to the front end portion and the rear end portion of the protruding piece (11). It becomes composition. This insertion plate (1) functions as a coupling means between the oven cabinet (20) and the door (3), and in this embodiment, the rotation piece (32) and the support piece (34) of the rotation means. The insertion plate (1) of the coupling means is connected.

  The connecting piece (10) has its rear side (side on the rear end side of the protruding piece (11)) bent 90 degrees with respect to the protruding direction of the protruding piece (11) as shown in FIGS. It is formed in a substantially L shape in sectional view having a hanging piece (10b), and a notch (12) opened forward is formed at a predetermined position near both ends of the connecting piece (10). Each notch (12) is provided with a substantially L-shaped leaf spring (13) as shown in FIG. 7 along the substantially L-shaped lower surface of the connecting piece (10).

  As shown in FIGS. 6 and 7, the leaf spring (13) includes a swing piece (13a) attached to the lower surface of the connecting piece (10) so as to be swingable downward, and a swing piece (13a). ) And a fixed piece (13b) fixed to the hanging piece (10b) of the connecting piece (10). ) Is formed with an upwardly protruding engagement protrusion (15) through a bent extension piece (14), and the front and both sides of the engagement protrusion (15) are swing pieces. Locking pieces (16) and (17) lowered to the same height as (13a) are continuously provided.

  As shown in FIGS. 6 and 8, when the leaf spring (13) is set on the connecting piece (10), the engaging projection (15) protrudes from the notch (12) and at the same time the left and right engaging pieces (17). Is locked from the lower surface to the connecting piece (10) located on both sides of the notch (12), and both ends (16a) of the locking piece (16) are locked to both ends of the front opening portion of the notch (12).

As shown in FIGS. 3 and 5, the door (3) includes a front plate (3a) provided with a handle portion (37) and a glass window (38) and a back plate (3b) attached to the rear surface thereof. As shown in FIGS. 5 and 6, a connecting piece (10) and a protruding piece (10) in a state in which a leaf spring (13) is set between the front plate (3a) and the back plate (3b). An insertion groove (36) into which 11) can be inserted is formed to open on the lower surface of the door (3).
In a state where the connecting piece (10) is inserted into the insertion groove (36), the engagement protrusion is located at a predetermined position of the back plate (3b) corresponding to the engagement protrusion (15) of the leaf spring (13). An engagement hole (35) into which (15) is fitted is formed.

  Further, on both sides of the back plate (3b), as shown in FIGS. 3, 5 and 8, slits (39) into which the rotating piece (32) and the supporting piece (34) are inserted are formed on the lower side and the back side. A reinforcing member (29) is provided on the inner surface of the back plate (3b) so as to cover the protruding piece (11) inserted from the lower surface of the door (3) (FIG. 9). reference). Accordingly, when the insertion plate (1) is inserted into the insertion groove (36), the reinforcing member (29) functions as a guide portion, and the inclination of the protruding piece (11) with respect to the door (3) is suppressed. The rotating piece (32) and the supporting piece (34) attached to the protruding piece (11) can be smoothly inserted into the slit (39), and the engaging protrusion ( 15) can be easily aligned.

To attach the door (3) to the stove body (2), connect the protruding piece (11) and the connecting piece (10) with the leaf spring (13) set to the insertion groove (36) of the door (3). The projecting piece (11) is inserted while being guided by the reinforcing member (29), and the rotating piece (32) and the support piece (34) are inserted into the slit (39). Go. At the same time, the engaging protrusion (15) protruding from the connecting piece (10) is pressed against the inner surface of the back plate (3b), and the swinging piece (13a) of the leaf spring (13) becomes the back plate. Inserted while swinging away from (3b).
Then, when the engaging convex portion (15) reaches the engaging hole (35), the engaging convex portion (15) is fitted into the engaging hole (35) by the biasing force of the leaf spring (13). Engage one way. As a result, the connecting piece (10) is attached to the door (3) in a retaining state, and the open end (21) of the oven cabinet (20) via the hinge part (30) and the support piece (34). The door (3) can be freely opened and closed.

To remove the door (3) from the oven cabinet (20), as shown in FIG. 3, the door (3) is opened so that the back plate (3b) of the door (3) becomes the upper surface, and the back plate (3b The engagement protrusion (15) exposed from the engagement hole (35) provided in the contact hole is pushed downward with a finger to engage the engagement protrusion (15) with the engagement hole (35). If the door (3) is moved away from the oven cabinet (20) while being released and maintained in this state, the door (3) can be removed from the insertion plate (1).
In this way, the leaf spring (13) functions as a locking means for detachably inserting the insertion plate (1) into the insertion groove (36) of the door (3), and the engagement convex portion (15) Will function as an operation unit for releasing the lock, the door (3) is a rotating piece (32), a support piece (34) of the hinge part (30) provided in the oven cabinet (20), And it becomes detachable with respect to the insertion plate (1).
As a result, even when the door (3) protruding laterally from the stove body (2) is used, the door (3) can be easily attached to and detached from the stove body (2). Install the stove body (2) with the) removed in the opening (40), and face the front of the stove body (2) from the front opening (45), then attach the door (3) easily I can do it.

When the open end (21) of the oven cabinet (20) is closed with the door (3), the door (3) is urged in the closing direction by the urging force of the coil spring (33) provided on the hinge part (30). The back plate (3b) of the door (3) is in close contact with the frame portion (23) around the open end (21) of the oven cabinet (20). Therefore, even in a cooking device having a circulation fan and circulating hot air in the oven cabinet (20), high airtightness in the oven cabinet (20) can be maintained.
Further, as shown in FIG. 4, the frame portion (23) is provided with an annular packing (24) so as to surround the open end (21) of the oven cabinet (20), and the annular packing (24). A ridge (25) having a height substantially the same as the protruding height of the annular packing (24) forward is provided along the lower side of the lower side. As a result, the lower part of the open end (21) is brought into close contact with the back plate (3b) of the door (3) by the annular packing (24) and the protrusions (25).

In the present embodiment, although not shown, an inlet for taking combustion air into the chamber is formed below the oven cabinet (20), and external air is drawn from the inlet by the rotation of the circulation fan. Inhaled.
Therefore, even if the annular packing (24) located below the open end (21) of the oven cabinet (20) is worn out over a long period of time, it is possible to prevent the airtight state from being lowered by the protrusion (25). The temperature reduction in the oven chamber (20) due to the hot air in the oven chamber (20) leaking out from below and sucked into the intake port by the abrasion of the annular packing (24) can be suppressed.

  Moreover, as shown in FIG.1 and FIG.3, the end piece (5) for block | closing this is inserted in the clearance gap (S) between the front surface of a stove main body (2), and a cabinet. The door (3) is formed with an extension part (50) concealing the end piece (5) on one side. Note that when the door (3) is rotated in the closing direction, the back of the extension (50) is placed on the door so that the lower end of the extension (50) does not hit the end piece (5) and is blocked. The back plate (3b) of (3) is provided through a step portion (51) protruding one step forward from the surface closely contacting the frame portion (23) of the open end (21) (FIG. 3, (See FIGS. 5 and 9).

  A protective wall (28) having a height substantially matching the protruding height of the stepped portion (51) is forwardly provided on substantially the entire vertical direction of one edge of the frame portion (23) of the oven cabinet (20). When the door (3) is closed, the protective wall (28) is positioned along the step (51), and the hot air in the oven cabinet (20) is moved to the end piece (5) side. Even if it leaks into the end piece (5), the end piece (5) is protected from hot air by the protective wall (28).

As mentioned above, because the wide door (3) projecting the extension part (50) for concealing the end piece (5) to one side was made easy to attach to and detach from the oven cabinet (20), The stove body (2) having an improved appearance of the cabinet can be easily installed.
In addition, as a heating means for circulating hot air in the oven cabinet (20), either a gas burner or an electric heater may be used. Further, in the above, the hinge portion (30) is provided on both outer sides of the oven cabinet (20), but if the frame portion (23) around the open end of the oven cabinet (20) has a certain width, Insertion holes may be provided on both sides of the frame portion (23), and the support portion (31) and the rotating piece (32) may be fixed inside the front frame (23). Further, the connecting piece (10) may be comb-shaped.

(1) ...
(13) ... Leaf spring (locking means)
(2) ...
(20) ・ ・ ・ ・ ・ Oven (heating chamber)
(21) ・ ・ ・ ・ ・ Open end
(23) ・ ・ ・ ・ ・ Frame
(3) ・ ・ ・ ・ ・ Door
(3b) ・ ・ ・ ・ ・ Back side
(30) ・ ・ ・ ・ ・ Hinge part
(31) ・ ・ ・ ・ ・ fulcrum
(32) ・ ・ ・ ・ ・ Rotating piece
(33) ・ ・ ・ ・ ・ Coil spring (biasing means)
(34) ・ ・ ・ ・ ・ Supporting piece
(36) ... Insertion groove
(4) ... Countertop
(40) ・ ・ ・ ・ ・ Opening
(45) ・ ・ ・ ・ ・ Front opening

Claims (6)

The stove body is housed in a state of being dropped from an opening formed in the counter top on the upper surface of the cabinet. In the cooking device provided with an open end of the chamber and a substantially rectangular door that closes the open end of the heating chamber so as to be openable and closable,
The door has an insertion groove that opens downward on the lower surface of the door,
The lower area of the door is pivotally attached to the vicinity of the open end of the heating chamber by a pivoting means,
The door is urged by the urging means in a direction in which the back surface thereof is in close contact with the frame around the open end of the heating chamber,
The heating chamber and the door are connected by a coupling means having an insertion plate inserted into the insertion groove,
The difference Komiban is Rutotomoni a connecting piece for connecting the projecting piece cross the pair of projecting pieces located on both sides of the heating housing, entire difference write plate is inserted into the insertion groove of the door With configuration,
The connecting piece is a cooking device having a lock means for detachably inserting the entire insertion plate into the insertion groove of the door. The heating cooker according to claim 1, wherein
The rotating means includes a support piece that rotatably supports a lower area of the door, and a hinge portion that regulates an opening angle of the door,
The hinge part has a fulcrum part provided below both sides of the heating chamber, and a turning piece rotatably attached to the fulcrum part,
The urging means is attached to the rear end of the rotating piece,
A front end portion of the rotating piece is rotatably attached to a front end portion of the protruding piece, and a front end portion of the support piece is rotatably attached to a rear end portion of the protruding piece. ,
On both sides of the back surface of the door, a slit into which a rotating piece and a supporting piece attached to the protruding piece are inserted is formed,
An engagement hole communicating with the insertion groove is provided at a predetermined position near the lower side of the back surface of the door,
A cooking device in which a leaf spring having an engagement convex portion that engages with the engagement hole when the insertion plate is inserted into the insertion groove is attached to the connecting piece. The cooking device according to claim 2 , wherein a reinforcing member that covers the protruding piece inserted from the lower surface of the door is provided on both sides of the door provided with the slit.
The cooking device according to any one of claims 1 to 3, wherein an end piece is provided in a gap between a front surface of the stove body and a front opening portion of the cabinet.
The door is provided near one side of the front surface of the stove body, and an extension portion that conceals the end piece is integrally formed on the side of the end piece side where the door is disposed,
A cooking device in which the back surface of the extension portion is continuously provided so as to be positioned forward through a step with respect to the back surface of the door facing the frame portion around the open end of the heating chamber.   5. The cooking device according to claim 4, wherein the frame portion around the open end of the heating chamber has the extension portion along the vertical direction of one end edge on the end piece side where the door is disposed. A cooking device in which a protective wall having a protruding height substantially matching the step is provided so as to protrude forward.   The cooking device according to any one of claims 1 to 5, wherein an annular packing member is provided along a frame portion around an open end of the heating chamber, and the frame portion is provided on a lower side of the packing member. A heating cooker having ridges protruding forward along.

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