JPWO2019012723A1 - Cooker - Google Patents

Abstract

The heating cooker (100) is attached to the heating cooker body (1) and the back side of the heating cooker body via a hinge part (19) so as to be rotatable, and covers the upper part of the heating cooker body. The lid body (2) that forms the cooking chamber (31) of the object to be cooked (30) together with the cooker body, the heating devices (12, 21) that heat the cooking chamber, and the hinge part rotates about the rotation axis. And a holding mechanism (3) for holding the lid at a target rotation position.

Description

  The present invention relates to a heating cooker in which a heating cooking chamber for an object to be cooked is formed by a heating cooker body and a lid that closes an upper surface of the heating cooker body.

  2. Description of the Related Art Conventionally, a heating cooker has a known configuration including a heating cooker body and a lid that is hingedly connected to the heating cooker body. The heating cooker uses the internal space formed by the heating cooker body and the lid as a cooking chamber for the cooking object, and is a plate or grilling the cooking object with a heater installed inside the heating cooker body. Cooking is performed by heating a net or the like. For example, Patent Document 1 discloses a bread baking production machine in which bread dough is sandwiched between heating cooking chambers formed between a pair of metal heating plates and these heating plates are heated with a heater to bake the dough. ing. The pair of metal heating plates are hinged on the back side, and the cooking chamber can be opened by lifting the upper heating plate and rotating it to the back side.

JP 2000-152879 A

  For example, a cooking device such as an oven toaster has a wide cooking space, but the sealing property is deteriorated, so that when the cooking object such as bread is heated, the cooking object is easily dried. On the other hand, as represented by the bread baking machine disclosed in Patent Document 1, in the configuration in which a pair of heating plates are hingedly connected, the cooking space can be tightly sealed with two heating plates. Airtightness can be ensured compared to a heating cooker. However, in this heating cooker, it is necessary to form a wide internal space on the lid side in order to make it easy to take out the cooked food, and the shape of the lid becomes large. Further, if the heating device is provided on the lid side separately from the main body of the cooking device to increase the efficiency of cooking, it is necessary to further increase the shape of the lid. Therefore, when the lid is rotated to open the cooking space, the opened lid may be closed by its own weight and the user's hand may be caught between the cooking device body and the lid. . Moreover, there exists a possibility that a heating cooker main body may fall backward by the change of the gravity center by the open cover body, and it may lead to an unexpected situation.

  The present invention has been made in order to solve the above-described problems, and even if the structure has both a wide cooking space and airtightness, the opened lid can be closed or opened by its own weight. It is an object of the present invention to provide a heating cooker that can prevent a situation in which the main body of the heating cooker falls due to a change in the center of gravity due to the lid, and can be used safely and with peace of mind.

  The heating cooker according to the present invention is attached to the heating cooker main body and the back side of the heating cooker main body via a hinge part so as to be rotatable, and covers the upper part of the heating cooker main body. And a lid that forms a cooking chamber for the object to be cooked, a heating device that heats the cooking chamber, and a holding mechanism that holds the lid that rotates about the hinge as a rotation axis at a target rotation position. And.

  According to the cooking device according to the present invention, since the holding mechanism that holds the lid that rotates about the hinge portion as the rotation shaft is held at the target rotation position, the opened lid can be closed by its own weight. The situation where the main body of the cooking device falls due to the change in the center of gravity due to the opened lid can be prevented and can be used safely and with peace of mind.

It is an external appearance perspective view of the heating cooker which concerns on Embodiment 1 of this invention. It is the heating cooker which concerns on Embodiment 1 of this invention, and is the longitudinal cross-sectional schematic diagram which showed the state which closed the cover body. It is the heating cooker which concerns on Embodiment 1 of this invention, and is the longitudinal cross-section schematic which showed the middle stage which rotates a cover body. It is the heating cooker which concerns on Embodiment 1 of this invention, and is the longitudinal cross-section schematic which showed the state which rotated the cover body and raise | lifted to the position of about 90 degree | times. It is a principal part expanded sectional view which showed the holding mechanism of the heating cooker which concerns on Embodiment 1 of this invention. It is explanatory drawing which expanded and showed the shape of the convex part of the holding member of the heating cooker which concerns on Embodiment 1 of this invention. It is explanatory drawing which expanded and showed the shape of the convex part of the holding member of the heating cooker which concerns on Embodiment 1 of this invention. It is a holding mechanism of the heating cooker which concerns on Embodiment 2 of this invention, Comprising: It is the principal part expanded sectional view which showed the state which closed the cover body. It is a holding mechanism of the heating cooker which concerns on Embodiment 2 of this invention, Comprising: It is the principal part expanded sectional view which showed the state which rotated the cover body and raised to the position of about 30 degree | times. It is a holding | maintenance mechanism of the heating cooker which concerns on Embodiment 2 of this invention, and is the principal part expanded sectional view which showed the state which rotated the cover body and raised to the position of about 90 degree | times. It is a holding mechanism of the heating cooker which concerns on Embodiment 3 of this invention, and is the principal part expanded sectional view which showed the state which closed the cover body. It is a holding mechanism of the heating cooker which concerns on Embodiment 3 of this invention, Comprising: It is the principal part expanded sectional view which showed the state which rotated the cover body and raised to the position of about 90 degree | times. It is a principal part expanded sectional view which showed a mode that it was a holding mechanism of the heating cooker which concerns on Embodiment 3 of this invention, and the stopper member which controlled the vertical movement of the fixing | fixed part of a lock mechanism part was cancelled | released. It is the heating cooker which concerns on Embodiment 4 of this invention, and is the longitudinal cross-sectional schematic diagram which showed the state which closed the cover body. It is the heating cooker which concerns on Embodiment 5 of this invention, and is the longitudinal cross-sectional schematic diagram which showed the state which closed the cover body. It is the heating cooker which concerns on Embodiment 6 of this invention, and is the longitudinal cross-sectional schematic diagram which showed the state which closed the cover body. It is the heating cooker which concerns on Embodiment 6 of this invention, and is the longitudinal cross-section schematic which showed the state which rotated the cover body and raise | lifted to the position of about 90 degree | times.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments described below. Moreover, in the following drawings, the relationship of the size of each component may be different from the actual one.

Embodiment 1 FIG.
First, the cooking device according to the first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an external perspective view of a heating cooker according to Embodiment 1 of the present invention. FIG. 2 is a schematic longitudinal sectional view showing the cooking device according to the first embodiment of the present invention in a state where the lid is closed. FIG. 3 is a schematic vertical cross-sectional view illustrating the cooking device according to Embodiment 1 of the present invention and showing a stage in the middle of rotating the lid. FIG. 4 is a schematic vertical cross-sectional view illustrating the cooking device according to Embodiment 1 of the present invention, in a state where the lid is rotated and raised to a position of approximately 90 degrees. As shown in FIGS. 1-4, the heating cooker 100 which concerns on this Embodiment 1 can be opened and closed freely via the heating cooker main body 1 and the hinge part 19 provided in the back side of the heating cooker main body 1. As shown in FIG. And a lid body 2 attached thereto.

  The inside of the heating cooker body 1 is divided into an upper space and a lower space by a shielding plate 10. In the upper space, a heating plate 11, a bottom surface heating device 12, a heat insulating member 13, a heater pressing plate 14, and a temperature detecting means 15 are provided. In the lower space, an operation board 17 of the operation unit 16, a control unit 90, and a cord reel 91 are provided.

  Inside the lid 2, an inner housing 20, an upper surface heating device 21, a heat insulating member 22, a heater pressing plate 23, a shielding plate 24, and a sealing member 25 are provided. A handle portion 26 is provided on the outer surface of the lid 2.

  The shielding plate 10 is for protecting the operation board 17, the control unit 90, and the cord reel 91 disposed in the lower space from becoming high temperature. The shielding plate 10 is preferably an aluminized steel plate having a high reflectance and a high heat resistance temperature, for example.

  The heating plate 11 is provided on the upper surface of the heating cooker main body 1, and a cooking object 30 such as bread is placed on the heating plate 11. The heating plate 11 is formed by press-molding a metal plate material having high thermal conductivity such as aluminum. The surface of the heating plate 11 may be flat or corrugated.

  The heating plate 11 is coated with a paint having high heat resistance and high emissivity. The paint is, for example, a silicone-based or fluorine-based heat resistant paint. The paint may be a ceramic paint.

  The bottom surface heating device 12 is provided on the lower surface side of the heating plate 11, and heats the cooking object 30 from below by heat conduction from the heating plate 11. The bottom surface heating device 12 is, for example, a planar heater, and is supported by a heater pressing plate 14 fixed to the inner wall surface of the heating cooker body 1. Between the bottom surface heating device 12 and the heater pressing plate 14, for example, a heat insulating member 13 such as glass wool is provided. Examples of the planar heater include a planar heater in which an electric heater is wound around a mica plate, or a ceramic heater formed by sandwiching an electric heater between ceramics. The bottom surface heating device 12 formed of a planar heater can reduce the size of the heating cooker body 1 and can uniformly heat the object 30 to be cooked, so that uneven baking can be reduced.

  The range in which the bottom heating device 12 is installed is about the same as the range in which the cooking object 30 can be placed. Further, a graphite sheet may be provided between the bottom surface heating device 12 and the heating plate 11 so that the thermal efficiency of the bottom surface heating device 12 can be increased and the heating efficiency can be increased.

  The temperature detection means 15 is provided on the lower surface side of the heating plate 11 and detects the temperature of the heating plate 11. The temperature detection means 15 is a temperature sensor such as a thermistor, for example. The temperature detection means 15 is pressed against the lower surface of the heating plate 11 by an elastic body such as a spring. This is because the contact pressure with respect to the heating plate 11 is made constant and the heating temperature is accurately detected.

  The operation unit 16 receives an input operation related to the operation of the heating device. The operation unit 16 is provided on the front surface of the heating cooker body 1 and includes a mode switching button 16a, a grill color adjustment dial 16b, and a cooking start button 16c. In addition, the operation unit 16 sets cooking conditions by a user's operation. However, the configuration of the operation unit 16 is not limited to the illustrated form.

  The mode switching button 16a is for the user to set the “heating mode”. Here, the “heating mode” includes, for example, “bread bread”, “French toast”, “salted bread”, “frozen bread”, and the like, and is set according to the type of the cooking object 30 to be cooked.

  The baked color adjustment dial 16b is for setting the “baked color” of the cooking object 30 to be cooked by the user. Here, “baked color” includes “dark”, “normal”, “light”, etc., and is set according to the user's preference.

  The cooking start button 16 c is for starting cooking by the heating cooker 100.

  The operation board 17 is provided on the front side of the inside of the heating cooker body 1 and is provided with a circuit for processing a signal input from the operation unit 16. After processing the above signal, the control board 17 is controlled. Output to the unit 90.

  The control unit 90 is provided inside the heating cooker body 1 and is connected to a power supply board (not shown) based on inputs from the operation unit 16, that is, “heating mode” and “baked color” set by the user. A control signal is output. The control unit 90 can be configured by hardware such as a circuit device that realizes the function, or can be configured by an arithmetic device such as a microcomputer and software that defines the operation thereof.

  The power supply board is provided on the back side inside the heating cooker body 1. The power supply board is mounted with a circuit for converting commercial power into high frequency power and supplying it to the bottom surface heating device 12 and the top surface heating device 21. The power supply board is composed of components such as switching elements that constitute an inverter circuit.

  The cord reel 91 winds up a power cord connected to a commercial AC power source, and is provided on the back side inside the heating cooker body 1. The cord reel 91 is provided so that the power cord does not get in the way when the cooking device 100 is carried. The cord reel 91 is arranged at a position that takes into consideration the position of the center of gravity so that the heating cooker body 1 does not fall when the lid 2 is opened. Instead of the cord reel 91, a magnet plug may be provided to connect the power cord, or the cord reel 91 may be provided without the cord reel 91.

  A main body upper frame 18 that rises toward the lid 2 is provided on the upper surface of the heating cooker main body 1 and behind the heating plate 11. A hinge portion 19 is provided in a space formed between the main body upper frame 18 and the back surface of the heating cooker main body 1. The hinge part 19 is comprised with the steel round bar material extended along the left-right direction of the heating cooker main body 1. As shown in FIG.

  The lid 2 is rotatably attached to the heating cooker body 1 via a hinge portion 19. The lid body 2 has an inner housing 20 whose inner central portion is recessed upward. The inner housing 20 is formed by drawing, for example, an aluminum plated steel plate. The inner casing 20 is coated with a paint having high heat resistance and high emissivity. The paint is, for example, a ceramic paint or a silicone-based or fluorine-based heat-resistant paint. The inner casing 20 may be painted only on the inner surface side or on both the inner surface and the outer surface. In addition, as for the cover body 2, it is desirable to form the part which the inner housing | casing 20 contacts with resin with high heat-resistant temperature. Examples of the resin having a high heat-resistant temperature include phenol, polybutylene terephthalate resin, polyethylene terephthalate resin, and nylon.

  A cooking chamber 31 is formed inside the cooking device 100 by being surrounded by the heating plate 11 and the inner casing 20 in a state where the lid 2 is closed. In the heating cooking chamber 31, the cooking object 30 is accommodated. Most of the cooking chamber 31 is formed by the inner casing 20 of the lid 2. This is because the cooking object 30 placed on the heating plate 11 is easily taken out after cooking.

  The upper surface heating device 21 is provided on the upper surface of the inner casing 20 and heats the cooking chamber 31 via the inner casing 20. The cooking object 30 is heated from above by radiant heat from the inner casing 20. To do. The upper surface heating device 21 is a planar heater similar to the bottom surface heating device 12, for example, and the upper surface is pressed and fixed by a heater pressing plate 23 fixed to the inner wall surface of the heating cooker body 1. Between the upper surface heating device 21 and the heater pressing plate 23, for example, a heat insulating member 22 such as glass wool is provided. Examples of the planar heater include a planar heater in which an electric heater is wound around a mica plate, or a ceramic heater formed by sandwiching an electric heater between ceramics. The bottom surface heating device 12 formed of a planar heater can reduce the size of the heating cooker body 1 and can uniformly heat the object 30 to be cooked, so that uneven baking can be reduced.

  The range where the upper surface heating device 21 is installed is about the same as the range where the cooking object 30 can be placed. Moreover, the upper surface heating device 21 may provide a graphite sheet on the surface on the heating plate 11 side. This is because the graphite sheet increases the thermal efficiency of the upper surface heating device 21 and increases the heating efficiency.

  The shielding plate 24 is disposed above the heater pressing plate 23 and is provided to protect the top surface of the lid 2 from being heated by the upper surface heating device 21. The shielding plate 24 is preferably an aluminized steel plate having a high reflectance and a high heat resistance temperature, for example.

  The seal member 25 is provided along the lower end of the side wall of the inner housing 20. The sealing member 25 is provided in order to form a cooking chamber 31 having a high degree of sealing, in close contact with the peripheral edge of the heating plate 11 due to the weight of the lid 2 when the lid 2 is closed. The seal member 25 is formed of a material having high heat resistance such as silicone or fluorine rubber. The seal member 25 and the peripheral edge of the heating plate 11 may be brought into close contact with each other by mechanically closing the lid 2 as in a latch mechanism, for example.

  The handle portion 26 is provided so as to protrude forward on the outer surface on the front surface side of the lid body 2, and is gripped when the user rotates the lid body 2.

  In the cooking device 100 configured as described above, when the lid 2 is rotated and the cooking chamber 31 is opened, if the lid 2 in the open state is closed by its own weight, the cooking device body 1 and There is a risk of injury due to the user's hand being pinched between the lid 2. Moreover, when the cover body 2 is rotated and the heating cooking chamber 31 is opened, the cooking device body 1 may fall backward due to the weight of the cover body 2, and an unexpected situation may occur. Therefore, the heating cooker 100 according to the first embodiment is provided with the holding mechanism 3 that holds the lid 2 that rotates about the hinge portion 19 as a rotation axis at a target rotation position.

  FIG. 5 is an enlarged cross-sectional view showing a main part of the holding mechanism of the cooking device according to Embodiment 1 of the present invention. As shown in FIG. 5, the holding mechanism 3 is attached so as to cover the outer peripheral surface of the hinge part 19, and the cylindrical holding member 4 that rotates in the same direction in conjunction with the rotation of the hinge part 19, And a lock mechanism portion 5 that stops the rotation of the holding member 4. The holding mechanism 3 is provided on the upper surface of the support base 9 provided in a space formed between the main body upper frame 18 and the back surface of the heating cooker main body 1. The support base 9 is provided with a stepped portion 9a in order to fix the holding mechanism 3 from the front and rear.

  The hinge portion 19 is formed with a D-cut portion in which a circle is cut out with a straight line. The holding member 4 can be rotated in conjunction with the rotation of the hinge portion 19 by forming the inner surface into a shape suitable for the D-cut portion of the hinge portion 19. Although not shown in detail, a key groove may be formed in the hinge portion 19 and the inner surface of the holding member 4 may be fitted into the key groove. Moreover, you may join the hinge part 19 and the holding member 4 using joining members, such as a screw | thread.

  On the outer surface of the holding member 4, four convex portions 40 protruding outward are provided along the circumferential direction of the hinge portion 19. The convex part 40 is provided in the area | region which can hold | maintain the cover body 2 in a target rotation position among the outer surfaces of the holding member 4 with the holding member 4 stopped by the lock mechanism part 5. Specifically, the convex portion 40 is provided at a position where the lid body 2 can be held at approximately 30 degrees, approximately 60 degrees, and approximately 90 degrees. In the illustrated first embodiment, the configuration in which four convex portions 40 are provided is shown, but the present invention is not limited to this. The number and position of the convex portions 40 are appropriately changed according to the size or weight of the lid body 2.

  In addition, the convex part 40 shall be provided with the first top part in the position rotated 30% from the state which closed the cover body 2 with respect to the rotation range of the cover body 2. FIG. That is, the heating cooker 100 is configured such that the lid 2 is closed by its own weight in a rotation range smaller than 30% from the state where the lid 2 is closed. This is because there is no possibility that the user's hand is caught between the heating cooker body 1 and the lid body 2, and the convenience is enhanced by adopting a configuration in which the lid body 2 is closed by its own weight when the lid body 2 is closed to some extent.

  FIG.6 and FIG.7 is explanatory drawing which expanded and showed the shape of the convex part of the holding member of the heating cooker which concerns on Embodiment 1 of this invention. As shown in FIGS. 6 and 7, the convex portion 40 has an inclination angle θ1 of the inclined surface from the front surface side to the top portion smaller than an inclination angle θ2 of the inclined surface from the back surface side to the top portion. As shown in FIG. 6, by reducing the inclination angle θ <b> 1 of the inclined surface from the front side toward the top, when the lid 2 is opened, the load due to the convex portion 40 is reduced and the lid 2 is easily opened. be able to. On the other hand, as shown in FIG. 7, by increasing the inclination angle θ2 of the inclined surface from the back side toward the top, it is possible to prevent the lid body 2 from being accidentally closed. The inclination angle θ1 is about 20 to 30 degrees as an example. Further, the inclination angle θ2 is about 45 to 60 degrees as an example.

  As shown in FIG. 5, the lock mechanism portion 5 supports the fixing portion 50 fitted between the adjacent convex portions 40 and the convex portion 40, and the fixing portion 50 so as to be movable up and down, and the fixing portion 50 is supported by the holding member 4. And an urging member 51 that presses toward the surface. The fixing portion 50 pressed against the holding member 4 by the urging member 51 is fitted between the adjacent convex portions 40 and the convex portions 40 to stop the rotation of the holding member 4. In addition, the force which stops rotation of the holding member 4 by the urging member 51 shall be larger than the force which rotates the cover body 2 in the closing direction.

  The fixing portion 50 includes a protruding portion 50a that fits between the adjacent protruding portions 40 and a storage portion 50b that is provided below the protruding portion 50a and stores the biasing member 51. The urging member 51 is, for example, a spring material, and an upper end portion is attached to the storage portion 50 b and a lower end portion is attached to the support base 9. The biasing member 51 is not limited to the illustrated spring material, and may be an elastic member such as a rubber material.

  When the cooking device 100 according to the first embodiment is opened from the closed state of the lid 2 and is rotated upward toward the back side, the first convex portion 40 becomes the protrusion 50a as shown in FIG. bump into. Then, the protrusion 50a is repeatedly moved up and down while being urged by the urging member 51, and sequentially moves over the convex part 40 in the middle, and is locked at a position rotated approximately 90 degrees as shown in FIG. The fixed portion 50 of the mechanism portion 5 is fitted between the convex portions 40 of the holding member 4. Since the holding member 4 is fixed at the position by the fixing portion 50 urged by the urging member 51, the hinge portion 19 is also fixed at the position, and the position of the lid 2 can be held. In addition, in FIG. 3, although the structure which opened the cover body 2 and was hold | maintained at the 90-degree position was demonstrated, by fitting the cover body 2 between the convex part 40 and the convex part 40 which were provided in the middle position, For example, it can be held at a position of approximately 30 degrees or approximately 60 degrees.

  When the lid 2 is rotated downward from the open state shown in FIG. 4 toward the front side, the convex portion 40 sequentially goes over the protruding portion 50a, and as shown in FIG. When the part 40 gets over the protruding part 50a, it closes by its own weight.

  As described above, the heating cooker 100 according to the first embodiment includes the holding mechanism 3 that holds the lid body 2 that rotates about the hinge portion 19 as the rotation axis at the target rotation position. Even if the structure is compatible with space and airtightness, the open lid 2 can be closed by its own weight, or the cooker body 1 can be prevented from falling due to the change in the center of gravity due to the open lid 2. Can be used safely and safely.

  The holding mechanism 3 is attached to the outer peripheral surface of the hinge portion 19, and the holding member 4 that rotates in the same direction in conjunction with the rotation of the hinge portion 19, and the lock mechanism portion 5 that stops the rotation of the holding member 4. And have. The holding member 4 has a plurality of convex portions 40 that protrude outward and are formed at intervals along the circumferential direction of the hinge portion 19. The lock mechanism portion 5 includes a fixing portion 50 that fits between adjacent convex portions 40, and a biasing member 51 that supports the fixing portion 50 so as to be movable up and down and presses the fixing portion 50 toward the holding member 4. ing. Therefore, since the holding mechanism 3 of the heating cooker 100 according to the first embodiment has a simple structure with a small number of members, the manufacturing cost can be reduced.

  Further, the convex portion 40 has a configuration in which the inclination angle θ1 of the inclined surface from the front side to the top is smaller than the inclination angle θ2 of the inclined surface from the back side to the top. That is, the heating cooker 100 according to the first embodiment reduces the load caused by the convex portion 40 when the lid body 2 is opened by reducing the inclination angle θ1 of the inclined surface from the front surface side toward the top portion. The body 2 can be easily opened. On the other hand, it is possible to prevent the lid body 2 from being inadvertently closed by increasing the inclination angle θ2 of the inclined surface from the back side toward the top.

  Moreover, the convex part 40 is provided with the first top part in the position rotated 30% from the closed state with respect to the rotation range of the cover body 2. That is, when the lid 2 is closed, the heating cooker 100 of the first embodiment closes by its own weight when the top of the convex portion 40 gets over the protrusion 50a of the fixed portion 50 and the lid 2 is closed to some extent. Therefore, convenience can be improved.

Embodiment 2. FIG.
Next, the cooking device according to the second embodiment of the present invention will be described with reference to FIGS. FIG. 8 is an enlarged cross-sectional view showing a main part of the holding mechanism of the cooking device according to the second embodiment of the present invention, with the lid closed. FIG. 9 is an enlarged cross-sectional view showing a main part of the holding mechanism of the cooking device according to the second embodiment of the present invention, in which the lid is rotated and raised to a position of about 30 degrees. FIG. 10 is an enlarged cross-sectional view showing a main part of the holding mechanism of the cooking device according to the second embodiment of the present invention, in which the lid is rotated and raised to a position of approximately 90 degrees.

  The cooking device 100 according to the second embodiment is different from the first embodiment in the configuration of the holding mechanism 3. Since the other structure excluding the holding mechanism 3 has the same configuration as that of the first embodiment, the same reference numerals are given and the description thereof is omitted as appropriate. As shown in FIG. 8, the holding mechanism 3 of the heating cooker 100 according to the second embodiment is also attached to the outer peripheral surface of the hinge part 19 and rotates in the same direction in conjunction with the rotation of the hinge part 19. It has the member 4 and the lock mechanism part 5 which stops rotation of the holding member 4.

  The holding member 4 has a convex portion 41 in which the radial thickness gradually increases along the circumferential direction, and a stepped portion 41a is formed at the terminal portion. The lock mechanism portion 5 includes a fixing portion 50 that abuts on the convex portion 41, and an urging member 51 that supports the fixing portion 50 so as to be vertically movable and presses the fixing portion 50 toward the holding member 4. . The configuration of the lock mechanism unit 5 is the same as that described in the first embodiment.

  As shown in FIG. 8, the convex portion 41 is formed so that the protruding portion 50a of the fixing portion 50 of the lock mechanism portion 5 is positioned at the stepped portion 41a when the lid body 2 is closed. Further, as shown in FIG. 10, the convex portion 41 is formed so that the pressure contact with the fixing portion 50 is released when the lid body 2 is rotated by approximately 90 degrees. In addition, it is preferable that the convex part 40 provides the first top part in the position rotated 30% from the state which closed the cover body 2 with respect to the rotation range of the cover body 2. FIG. This is because convenience is enhanced by adopting a configuration in which the lid 2 is closed by its own weight when the lid 2 is closed to some extent.

  When the heating cooker 100 according to the second embodiment is rotated in the opening direction from the closed state shown in FIG. 8, the fixing portion 50 gets over the stepped portion 41a as shown in FIG. The pressing member 51 is pressed against the convex portion 41 of the holding member 4. That is, the heating cooker 100 is configured to press the fixing portion 50 of the lock mechanism portion 5 against the convex portion 41 to stop the rotation of the holding member 4 and hold the lid 2 at the target rotation position. . As shown in FIG. 10, when the lid body 2 is rotated by approximately 90 degrees, the pressure contact of the fixing portion 50 is released, but the convex portion 41 restricts the rotation of the lid body 2 in the closing direction. The lid 2 is not closed by its own weight.

  Therefore, the heating cooker 100 according to the second embodiment also includes the holding mechanism 3 that holds the lid 2 that rotates about the hinge portion 19 as the rotation axis at the target rotation position. It is possible to prevent the heating cooker main body 1 from being accidentally closed by its own weight, or the heating cooker body 1 to fall down due to a change in the center of gravity due to the opened lid body 2 and can be used safely and with peace of mind.

Embodiment 3 FIG.
Next, the heating cooker 100 which concerns on Embodiment 3 of this invention is demonstrated based on FIGS. 11-13. FIG. 11: is a principal part expanded sectional view which was the holding mechanism of the heating cooker which concerns on Embodiment 3 of this invention, and showed the state which closed the cover body. FIG. 12 is an enlarged cross-sectional view showing a main part of the holding mechanism of the heating cooker according to the third embodiment of the present invention, in which the lid is rotated and raised to a position of approximately 90 degrees. FIG. 13: is a principal part expanded sectional view which showed a mode that the stopper member which was the holding mechanism of the heating cooker which concerns on Embodiment 3 of this invention, and controlled the vertical movement of the fixing | fixed part of a lock mechanism part was cancelled | released. .

  The cooking device 100 according to the third embodiment is different from the first and second embodiments in the configuration of the holding mechanism 3. Since the other structure excluding the holding mechanism 3 has the same configuration as those of the first and second embodiments, the same reference numerals are given and the description thereof is omitted as appropriate. As shown in FIG. 11, the holding mechanism 3 of the heating cooker 100 according to the third embodiment is also attached to the outer peripheral surface of the hinge portion 19, and holds in the same direction in conjunction with the rotation of the hinge portion 19. It has the member 4 and the lock mechanism part 5 which stops rotation of the holding member 4.

  One recess 42 is formed on the outer surface of the holding member 4. As shown in FIG. 12, the recess 42 is formed at a position where the lid 2 that is rotated and raised about 90 degrees can be held by the lock mechanism 5.

  The lock mechanism portion 5 includes a fixing portion 50 that fits into the recess 42, and a biasing member 51 that supports the fixing portion 50 so as to be movable up and down and presses the fixing portion 50 toward the holding member 4. The fixing portion 50 pressed against the holding member 4 by the urging member 51 is fitted into the recess 42 to stop the rotation of the holding member 4.

  The fixing portion 50 includes a protruding portion 50a that fits into the concave portion 42, and a storage portion 50b that is provided below the protruding portion 50a and stores the biasing member 51. The urging member 51 is, for example, a spring material or the like, and has an upper end portion attached to the storage portion 50 b and a lower end portion attached to the support base 9. The biasing member 51 is not limited to the illustrated spring material, and may be an elastic member such as a rubber material.

  Further, the lock mechanism portion 5 is provided with a stopper member 52 that restricts the vertical movement of the fixing portion 50. As shown in FIG. 12, the stopper member 52 protrudes slidably from the outer surface of the storage portion 50b toward the step portion 9a of the support base 9, and is fitted into a through hole 9b formed in the step portion 9a to be fixed. The vertical movement of the unit 50 is restricted. As shown in FIG. 13, the stopper member 52 fitted in the through-hole 9b is removed from the through-hole 9b by, for example, inserting a pin 9c into the through-hole 9b, and the restriction of the fixing portion 50 is released. Note that two or more stopper members 52 may be provided along the left-right direction of the heating cooker body 1.

  Therefore, the heating cooker 100 according to the third embodiment also includes the holding mechanism 3 that holds the lid 2 that rotates about the hinge portion 19 as the rotation axis at the target rotation position. It is possible to prevent the heating cooker main body 1 from being accidentally closed by its own weight, or the heating cooker body 1 to fall down due to a change in the center of gravity due to the opened lid body 2 and can be used safely and with peace of mind.

  Although not shown in detail, a stopper member 52 that restricts the vertical movement of the fixing unit 50 may be provided in the lock mechanism unit 5 of the heating cooker 100 according to Embodiments 1 and 2.

Embodiment 4 FIG.
Next, a heating cooker 100 according to Embodiment 4 of the present invention will be described with reference to FIG. FIG. 14 is a schematic vertical sectional view showing a cooking device according to the fourth embodiment of the present invention in a state where the lid is closed.

  The cooking device 100 according to the fourth embodiment is different from the first to third embodiments in the configuration of the holding mechanism 3. Since the other structure excluding the holding mechanism 3 has the same configuration as those of the first to third embodiments, the same reference numerals are given and the description thereof is omitted as appropriate. As shown in FIG. 14, the holding mechanism 3 of the heating cooker 100 according to the fourth embodiment is also attached to the outer peripheral surface of the hinge portion 19, and holds in the same direction in conjunction with the rotation of the hinge portion 19. It has the member 4 and the lock mechanism part 5 which stops rotation of the holding member 4.

  The holding member 4 has a gear shape on the outer peripheral surface. On the other hand, the lock mechanism portion 5 has a gear shape whose outer peripheral surface meshes with the gear shape of the holding member 4. A power mechanism 6 is provided inside the heating cooker body 1 as a means for rotating the lock mechanism 5. The power mechanism 6 is configured by a motor or the like, for example, and is controlled by the control unit 90 by an operation input of the operation unit 16. A rotating shaft 60 connected to the lock mechanism portion 5 is attached to the power mechanism 6. That is, the power mechanism 6 is configured to transmit power to the lock mechanism unit 5 via the rotating shaft 60 that rotates by driving the motor.

  In the heating cooker 100 according to the fourth embodiment, the holding member 4 rotates in conjunction with the lock mechanism portion 5 rotated by driving the power mechanism 6, and the hinge rotates by the rotation of the holding member 4. The lid 2 is automatically opened and closed by the part 19. The holding mechanism 3 stops the power mechanism 6 by operating the operation unit 16, stops the rotation of the holding member 4, and holds the lid 2 at the target rotation position.

  Here, if the control unit 90 determines that the cooking is started by the operation of the operation unit 16 by the user, the control unit 90 drives the power mechanism 6 in a direction to close the lid 2. On the other hand, the control unit 90 stops the heating by the bottom surface heating device 12 and the top surface heating device 21 that are heating means, and drives the power mechanism 6 in the direction to open the lid body 2 when it is determined that the heating cooking is finished. These improve user convenience.

  Therefore, the cooking device 100 of the fourth embodiment also includes the holding mechanism 3 that holds the lid 2 that rotates about the hinge portion 19 as a rotation axis at the target rotation position. It is possible to prevent the heating cooker main body 1 from being accidentally closed by its own weight, or the heating cooker body 1 to fall down due to a change in the center of gravity due to the opened lid body 2 and can be used safely and with peace of mind.

Embodiment 5 FIG.
Next, a heating cooker according to Embodiment 5 of the present invention will be described with reference to FIG. FIG. 15 is a schematic vertical sectional view showing a cooking device according to Embodiment 5 of the present invention in a state where a lid is closed. In addition, about the structure same as the heating cooker demonstrated in Embodiment 1-4, the same code | symbol is attached | subjected and the description is abbreviate | omitted suitably.

  In addition to the configuration of the heating cooker 100 of the fourth embodiment, the heating cooker 100 according to the fifth embodiment includes a foreign matter detection means 7 that detects the presence or absence of the foreign matter 32 that obstructs the opening / closing operation of the lid 2. It is characterized by having. The foreign matter detection means 7 is composed of, for example, a pressure sensor. In the illustrated example, the foreign matter detection means 7 is provided inside the lid body 2 on the front side and the back side of the heating cooker 100, respectively, and the upper surface of the heating cooker body 1 and the lower surface of the lid body 2. The presence or absence of the foreign matter 32 sandwiched between them is detected.

  When the control unit 90 determines that the foreign matter 32 is sandwiched between the upper surface of the heating cooker body 1 and the lower surface of the lid body 2 based on the detection information of the foreign matter detection means 7, the driving of the power mechanism 6 is stopped. Control. Therefore, in the heating cooker 100 according to the fifth embodiment, the user does not notice the foreign matter 32 that becomes an obstacle to the opening / closing operation of the lid 2 and drives the power mechanism 6 without being aware of it. Damage caused by forcibly opening and closing the lid 2 can be prevented in advance.

Embodiment 6 FIG.
Next, a heating cooker according to Embodiment 6 of the present invention will be described with reference to FIGS. 16 and 17. FIG. 16 is a schematic vertical sectional view showing a cooking device according to the sixth embodiment of the present invention in a state where the lid is closed. FIG. 17 is a schematic vertical cross-sectional view illustrating a cooking device according to the sixth embodiment of the present invention, in a state where the lid is rotated and raised to a position of approximately 90 degrees. In addition, about the structure same as the heating cooker demonstrated in Embodiment 1-5, the same code | symbol is attached | subjected and the description is abbreviate | omitted suitably.

  In addition to the configuration of the heating cooker 100 described in the first to fifth embodiments, the heating cooker 100 according to the sixth embodiment is linked to the open lid 2 on the back side of the heating cooker body 1. And an auxiliary leg 8 protruding toward the installation surface. In addition, in FIG.16 and FIG.17, the heating cooker which provided the holding mechanism 3 demonstrated in Embodiment 1 as an example is shown.

  As shown in FIGS. 16 and 17, the auxiliary leg 8 can be moved up and down in the height direction of the heating cooker body 1 and the rod-shaped leg portion 80 extending in the height direction of the heating cooker body 1. And an elastic member 81 to be supported. The auxiliary legs 8 are stored in a storage case 82 provided on the back side of the heating cooker body 1. The upper and lower surfaces of the storage case 82 have openings so that the upper and lower ends of the leg 80 can be exposed to the outside. A flange portion 80 a that protrudes outward along the circumferential direction is provided on the outer circumferential surface of the leg portion 80. The elastic member 81 is, for example, a spring material, is disposed between the flange portion 80a and the bottom surface in the storage case 82, and is provided so as to urge the leg portion 80 toward the lid body 2 side.

  As shown in FIG. 16, the auxiliary leg 8 has the upper end portion of the leg portion 80 exposed to the outside from the upper surface of the storage case 82 and the lower end portion of the leg portion 80 of the storage case 82 when the lid 2 is closed. It is provided to fit inside. As shown in FIG. 17, the auxiliary leg 8 has an upper end portion of the leg portion 80 in a downward direction by a pushing portion 27 protruding outwardly provided on the outer surface on the back side of the lid body 2 in a state where the lid body 2 is opened. It is pushed in and provided so that a lower end part protrudes from the storage case 82 and contact | abuts to an installation surface.

  Therefore, the cooking device 100 according to the sixth embodiment is provided with the auxiliary leg 8 protruding toward the installation surface in conjunction with the opened lid 2 on the back side of the cooking device body 1. Even if the position of the center of gravity is changed by the lid 2, the lid 2 can be firmly held by the auxiliary legs 8. Therefore, this cooking-by-heating machine 100 can prevent reliably the situation where the cooking-by-heating machine main body 1 falls, and can be used safely and safely.

  Further, the auxiliary leg 8 includes a rod-shaped leg portion 80 extending in the height direction of the heating cooker body 1, an elastic member 81 that supports the leg portion 80 movably up and down in the height direction of the heating cooker body 1, and This is a simple structure with a small number of members and can contribute to a reduction in manufacturing cost.

  Although the present invention has been described above based on the embodiment, the present invention is not limited to the configuration of the embodiment described above. For example, the configuration of the illustrated cooking device 100 is an example, and is not limited to the above-described content, and can be similarly implemented even with a cooking device including other components. In short, it should be noted that the scope of the present invention also includes the scope of various changes, applications, and uses made by those skilled in the art as needed.

1 Heating cooker body, 2 lid, 3 holding mechanism, 4 holding member, 5 lock mechanism, 6
Power mechanism, 7 Foreign object detection means, 8 Auxiliary leg, 9 Support base, 9a Stepped part, 9b Through hole, 9c Pin, 10 Shielding plate, 11 Heating plate, 12 Bottom heating device, 13 Heat insulation member, 14 Heater pressing plate, 15 Temperature detection means, 16 operation section, 16a mode switching button, 16b baked color adjustment dial, 16c cooking start button, 17 operation board, 18
Upper frame of main body, 19 hinge portion, 20 inner casing, 21 upper surface heating device, 22 heat insulating member, 23 heater pressing plate, 24 shielding plate, 25 sealing member, 26 handle portion, 27 pushing portion, 30 cooked object, 31 Cooking chamber, 32 Foreign material, 40, 41 Convex part, 41a Step part, 42 Concave part, 50 Fixing part, 50a Protruding part, 50b Storage part, 51 Energizing member, 52 Stopper member, 60 Rotating shaft, 80 Leg part, 80a Flange part, 81 elastic member, 82 storage case, 90 control part, 91 code reel, 100 heating cooker.

Claims (14)

Heating cooker body,
A lid that is pivotally attached to the back side of the heating cooker body via a hinge part, covers the upper part of the heating cooker body, and forms a cooking chamber for the cooking object together with the heating cooker body;
A heating device for heating the cooking chamber;
A heating cooker, comprising: a holding mechanism that holds the lid that rotates about the hinge portion as a rotation axis at a target rotation position. The holding mechanism is
A holding member attached to the outer peripheral surface of the hinge portion and rotated in the same direction in conjunction with the rotation of the hinge portion;
The cooking device according to claim 1, further comprising: a lock mechanism portion that stops rotation of the holding member. The holding member has a plurality of convex portions protruding outward and formed at intervals along the circumferential direction of the hinge portion,
The lock mechanism portion includes a fixing portion that fits between the adjacent convex portions, and a biasing member that supports the fixing portion so as to be vertically movable and presses the fixing portion toward the holding member. ,
The cooking device according to claim 2, wherein the fixing portion pressed against the holding member by the biasing member is fitted between the convex portions to stop the rotation of the holding member.   The cooking device according to claim 3, wherein the convex portion has a configuration in which an inclination angle of an inclined surface from the front side toward the top is smaller than an inclination angle of the inclined surface from the back side toward the top. The holding member has a convex portion in which a radial thickness gradually increases along a circumferential direction, and a step portion is formed at a terminal portion,
The lock mechanism portion includes a fixing portion that contacts the convex portion, and a biasing member that supports the fixing portion so as to be movable up and down and presses the fixing portion toward the holding member,
The cooking device according to claim 2, wherein the fixing portion of the lock mechanism portion is configured to be brought into pressure contact with the convex portion to stop the rotation of the holding member.   The convex portion is provided with an initial top portion at a position rotated by 30% from a closed state of the lid body with respect to a rotation range of the lid body. The heating cooker according to item. A concave portion is formed on the outer surface of the holding member,
The lock mechanism portion includes a fixing portion that fits into the concave portion, and a biasing member that supports the fixing portion so as to be movable up and down and presses the fixing portion toward the holding member,
The cooking device according to claim 2, wherein the fixing portion pressed against the holding member by the biasing member is fitted into the concave portion to stop the rotation of the holding member.   The cooking device according to any one of claims 3 to 7, wherein the lock mechanism portion includes a stopper member that restricts the vertical movement of the fixed portion. An operation unit for receiving an input operation related to the operation of the heating device;
A power mechanism for driving the lock mechanism part by operation of the operation part;
A control unit that controls the heating device and the power mechanism based on an input of the operation unit;
The holding member has an outer peripheral surface in a gear shape,
The lock mechanism portion has a gear shape in which an outer peripheral surface meshes with a gear shape of the holding member,
The holding member rotates in conjunction with the lock mechanism portion rotated by the power mechanism, and the power mechanism stops, so that the rotation of the holding member is stopped and the lid body is moved to a target rotation position. The cooking device according to claim 2, wherein the cooking device is configured to be held by   The cooking device according to claim 9, wherein the controller is configured to drive the power mechanism in a direction to close the lid when it is determined that heating cooking is started by an operation of the operation unit.   The cooker according to claim 9 or 10, wherein the controller is configured to stop heating by the heating device and drive the power mechanism in a direction to open the lid when it is determined that cooking is finished. . Foreign matter detection means for detecting the presence or absence of foreign matter that obstructs the opening and closing operation of the lid,
The cooking device according to any one of claims 9 to 11, wherein the control unit is configured to perform control to stop the power mechanism based on detection information of the foreign matter detection means.   The cooking device according to any one of claims 1 to 12, wherein an auxiliary leg protruding toward the installation surface is provided on the back side of the cooking device main body in conjunction with the opened lid. .   The auxiliary leg includes a rod-like leg portion extending in the height direction of the heating cooker body, and an elastic member that supports the leg portion so as to be movable up and down in the height direction of the heating cooker body. The cooking device according to claim 13.

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