JP2016093319A - rice cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rice cooker capable of boiling delicious rice by preventing heat which a pot and rice inside the pot have from escaping from the pot to a rice cooker body in the rice cooker using the pot having a flange part.SOLUTION: A rice cooker includes: a pot having an annular flange part provided on the outer periphery of the pot 3; a rice cooker body having a flange support part suspending the flange part on the upper part; and a lid body covering the upper part of the pot and arranged in the rice cooker body in an openable/closable manner. A height position of the flange part from the bottom surface of the pot is set to a position of 1/4-3/4 of a pan height from the bottom to the top edge of the pot.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a rice cooker that cooks rice using a kettle having a collar.

  In order to cook plump and delicious rice, various ideas have been made in the rice cooker. For example, it has been studied to cook rice by heating the kettle uniformly during rice cooking or heat retention using a kettle having a collar (see Patent Document 1).

JP 2002-65456 A

  In the rice cooker disclosed in Patent Document 1, the hook portion of the hook is disposed on the outer peripheral side surface slightly below the upper end of the hook, and the heater is attached to the hook heating portion that supports the hook portion. The heating of the kettle is performed by the heater of the bowl heating unit and the main heating unit provided at the bottom of the main body. In the rice cooker of patent document 1, most of the pot is accommodated in the pot accommodating portion of the rice cooker body. Therefore, while the kettle is heated by the main heating unit, the heat of the kettle and the rice inside the kettle escapes from the kettle toward the inside of the rice cooker body, the temperature of the rice inside the kettle is lowered, and the taste of the rice is delicious. There is a problem that it is damaged. This problem appears even more prominently when there is a cooling fan that cools the components in the rice cooker body.

  Therefore, the technical problem to be solved by the present invention is that in the rice cooker using the kettle having the heel, the heat of the kettle and the rice inside the kettle is difficult to escape from the kettle toward the inside of the rice cooker body, which is delicious. It is to provide a rice cooker that can cook rice.

  In order to solve the above technical problem, according to the present invention, the following rice cooker is provided.

That is, the rice cooker according to the present invention is
A hook having an annular collar provided on the outer periphery of the hook;
A rice cooker body having a heel support portion at the top for suspending the heel portion;
A rice cooker that covers an upper portion of the pot and is disposed to be openable and closable on the rice cooker body,
The height position of the hook portion from the bottom surface of the hook is set to a position of 1/4 to 3/4 of the height of the hook from the bottom surface to the upper end of the hook.

  In this invention, since the height position of the hook collar is set to 1/4 to 3/4 of the pot height, the ratio of the portion of the pot accommodated in the rice cooker body to the entire pot is small. Become. As a result, the heat of the kettle and the rice inside the kettle becomes difficult to escape from the kettle toward the inside of the rice cooker body, and delicious rice can be cooked.

  It is preferable that the heel support portion includes a heel heating portion that heats the heel portion. If it does in this way, the intermediate part of the pot near rice can be heated uniformly and rapidly.

  It is preferable that the rice bran heating unit is disposed on at least one of the rice cooker body side and the lid side. If it does in this way, the intermediate part of the pot near rice can be heated uniformly and rapidly.

  When the bowl heating unit is fixedly fixed to the rice cooker body or vertically movable so as to move in the vertical direction, it comes into contact with the bowl and is fixed to the lid side. It is preferably located in the vicinity of the buttock, and in the case of being arranged on the lid side so as to be movable up and down, it is preferable to contact the buttock. If it does in this way, since a cocoon part can be heated directly or indirectly by a cocoon heating part, the intermediate part of a pot near rice can be heated uniformly and rapidly.

  The upper side heating part provided in the lid for heating the side part of the upper container part above the hook part of the pot and the side part of the lower container part below the hook part of the pot are heated. Therefore, it is preferable to include at least one of the lower surface heating units provided in the rice cooker body. If it does in this way, the heating efficiency of a pot can be raised.

  The rice bran support is a vertically movable type, and it is preferable that the rice cooker main body is fixed with a rice cake placing portion for placing the rice bran in the vicinity of the vertical movable rice bran support. If it does in this way, the load of the pot and the rice in the pot will be mainly received by the paddle mounting section, and the load load on the vertically movable paddle heating section will be reduced. As a result, it is possible to use a metal material (for example, aluminum) that is inferior in mechanical strength but has excellent thermal conductivity.

  It is preferable that the rice cooker main body includes a reinforcing member that receives a load from the hook through the heel portion below the heel support portion. If it does in this way, the rigidity in a rice bran heating part will improve and the load bearing rigidity of a rice cooker will improve.

  The upper side heating part is preferably an annular heating part. If it does in this way, the upper container part of a pot can be heated uniformly and rapidly.

  It is preferable that the lid includes a blower unit including a heater and a blower fan, and controls the temperature of the upper container portion above the hook portion of the hook by the blown air from the blower unit. If it does in this way, the temperature of the upper container part of a pot can be controlled uniformly and quickly.

  In the pressure-type rice cooker of this invention, the hook part is arrange | positioned in the predetermined position of a pot, Therefore The part of the pot accommodated in a rice cooker main body decreases, and a pot and the rice inside this pot have It is difficult for the heat to escape from the kettle to the inside of the rice cooker body, and you can cook delicious rice.

It is sectional drawing which shows the pressure type rice cooker which concerns on 1st Embodiment of this invention. It is a fragmentary sectional view of the pot in the pressure type rice cooker shown in FIG. It is a figure explaining the position of the collar part in the shuttle shown in FIG. In the pressure type rice cooker which concerns on 2nd Embodiment of this invention, it is principal part sectional drawing which shows the state before setting a kettle in a rice cooker main body. In the pressure type rice cooker shown in FIG. 4, it is principal part sectional drawing which shows the state which set the pot in the rice cooker main body. In the pressure type rice cooker which concerns on 3rd Embodiment of this invention, it is principal part sectional drawing which shows the state before setting a kettle in a rice cooker main body. In the pressure type rice cooker shown in FIG. 6, it is principal part sectional drawing which shows the state which set the pot in the rice cooker main body. It is sectional drawing which shows the pressure type rice cooker which concerns on 4th Embodiment of this invention. It is a figure explaining the relationship between the position of a hinge connection part, and rotation of a cover body.

  Below, the pressure type rice cooker 1 which is the rice cooker which concerns on 1st Embodiment is demonstrated in detail, referring FIG.

  As shown in FIG. 1, the pressure rice cooker 1 has a pot 3 for storing cooked rice and water, a rice cooker body 10 for detachably storing the pot 3, and the rice cooker body 10. And a lid 20 that can be opened and closed. As will be described later, the rice cooker 1 is a rice cooker in a state where the ridge portion 4 provided at a predetermined position of the outer peripheral portion 3C of the pot 3 is suspended by the ridge support member 50 disposed on the upper portion of the rice cooker body 10. The lower container portion 3L of the pot 3 is accommodated in the lower accommodating portion 11L of the container body 10.

  The rice cooker body 10 includes a cylindrical body 12 (for example, SUS430) having an upper end and a lower end, a shoulder body 14 that closes the upper end opening of the body 12, and a bottom that closes the lower end opening of the body 12. And an exterior body having a body 13. A lower housing portion 11L is formed in the exterior body by a part of the shoulder body 14, the lower inner body 42, and the protective frame 41, and the lower container portion 3L of the shuttle 3 is detachably housed in the lower housing portion 11L. .

  The shoulder body 14 constitutes an upper portion of the exterior body and is attached by being fitted into the upper end opening of the body 12. On the back side of the shoulder body 14, a hinge connection portion 17 for rotatably mounting the lid body 20 is provided. The lid 20 is configured to be elastically openable by a hinge spring 17A provided in the hinge connection portion 17. An opening of the lower housing portion 11L is provided in the inner peripheral portion of the upper end of the shoulder body 14. A hook support member 50 that receives and supports the hook 4 of the hook 3 is disposed at the upper end around the opening. The heel support member 50 includes a heel support portion 50A that extends horizontally in a cocoon shape, and a lower inner trunk support portion 50B that protrudes downward so as to form a cylindrical shape. The lower inner cylinder 42 is integrally fixed to the heel support portion 50A and the lower inner cylinder support portion 50B of the heel support member 50. The bottom body 13 constitutes a lower portion of the exterior body and is attached by being fitted into the lower end opening of the body 12. The bottom body 13 is provided with a boss for mounting and fixing the protective frame 41. The rice cooker main body 10 is provided with an annular main body reinforcing plate (reinforcing member) 45 which is positioned below the rice bran support member 50 and receives and reinforces the rice bran support member 50.

  The lower inner body 42 is made of a metal member (for example, aluminum having excellent thermal conductivity), and constitutes an upper portion of the lower housing portion 11L. The lower inner body 42 includes an upper surface heating part 42A extending horizontally in a bowl shape and a lower side surface heating part 42B having a shape protruding downward so as to form a cylindrical shape. The upper surface heating part 42A and the lower side surface heating part 42B of the lower inner cylinder 42 cover the heel support part 50A and the lower inner cylinder support part 50B of the heel support member 50, respectively. A plurality of lower body heaters 43 are disposed outside the lower surface heating portion 42B of the lower inner body 42. The lower body heater 43 indirectly heats the lower side surface portion of the lower container portion 3L of the hook 3 through the space in the lower housing portion 11L. The armpit heater 51 is embedded in the groove portion of the rod support member 50 between the rod support portion 50A of the rod support member 50 and the upper surface heating portion 42A of the lower inner cylinder 42. 42 A of upper surface heating parts are arrange | positioned at the rice cooker main body 10 side by the fixed type, and work | function as a rice bran heating part which heats the rice bran part 4 directly. When the pot 3 is set in the rice cooker body 10, the lower surface 4 </ b> B of the heel portion 4 comes into contact with the upper surface heating portion 42 </ b> A of the lower inner body 42, and the heel portion 4 is directly heated by the lower arm heater 51. The heel support member 50 is provided with a heel temperature sensor (not shown) that detects the temperature of the heel support member 50. As the lower body heater 43, an electric heater or an induction heating coil can be used.

  The protective frame 41 is made of a non-conductive resin material, constitutes a lower portion of the lower housing portion 11L, and has a tray shape. On the lower outer surface of the protective frame 41, for example, a bottom temperature for detecting the temperature of the bottom 3B of the hook 3 is provided on the bottom of the protective frame 41 to which the induction heating coil 18 as a heating means is fixed via a ferrite core. A sensor is provided.

  When the lid 20 is closed with respect to the rice cooker body 10, the lid 20 covers the top of the pot 3 and closes the opening of the rice cooker body 10, and constitutes an outer surface material together with the exterior body of the rice cooker body 10. A plate 21 and a lower plate 22 that closes the bottom of the upper plate 21 are provided. The lower plate 22 is provided with a heat radiating plate 24, a lid heater 25, and an inner lid 30 that closes the upper end opening of the hook 3. Further, a lid temperature sensor (not shown) for detecting the temperature in the hook 3 is disposed inside the lid body 20.

  An opening operation member 23 for opening the lid 20 is disposed on the front side of the upper plate 21, and a lid hook 27 for maintaining the closed state of the rice cooker body 10 is disposed therein. Yes. A hook claw 27A of the lid hook 27 is configured to be engageable with and disengageable from a hook receiving portion 27B attached to the shoulder body 14, and functions as a lid lock mechanism. The lower plate 22 is rotatably set on a hinge connection portion 17 formed on the back side of the rice cooker body 10. A metal lid reinforcing plate 48 is fixed on the lower plate 22. A heat radiating plate 24 is disposed on the lower (inner) side surface of the lower plate 22 located on the hook 3 side in the closed state. A lid heater 25 for heating the upper container portion 3U of the hook 3 is disposed on the upper side surface of the heat radiating plate 24. The lid heater 25 is arranged so as to bypass various holes formed for arranging each component.

  An inner lid 30 that closes the upper end opening of the hook 3 is detachably disposed on the lower (inner) side surface of the heat radiating plate 24 facing the hook 3. The inner lid 30 includes an inner lid plate 34, and an inner lid frame member 32 is attached to the outer periphery of the inner lid plate 34. A seal member 33 that seals the inner peripheral portion of the upper end opening of the hook 3 is disposed on the lower (inner) side surface of the inner lid frame member 32. The inner lid 30 is configured to be detachable from the lid body 20. In the present invention, the inner lid 30 is not limited to a configuration in which the inner lid 30 can be attached to and detached from the lid body 20, and an inner configuration in which the inner lid 30 cannot be detached from the lid body 20 can be adopted.

  A first pressure regulating valve (not shown) and a second pressure regulating valve 36 are disposed on the upper surface side of the inner lid 30, and the pressure in the hook 3 is made to be higher than the atmospheric pressure by the first pressure regulating valve and the second pressure regulating valve 36. This makes it possible to set a high pressure. The first pressure regulating valve and the second pressure regulating valve 36 are pressure regulating mechanisms provided in the steam passage. Inside the lid 20 is formed a steam passage for exhausting steam generated from the pot 3 during cooking to the outside. Each vent formed in each of the first pressure regulating valve and the second pressure regulating valve 36 disposed in the inner lid 30 serves as an inlet for the steam in the steam passage. After the steam from the pot 3 flows into the first pressure regulating valve and the second pressure regulating valve 36, the heat radiating plate 24 and the inner lid 30 are opened from the lower end openings of the first pressure regulating valve accommodating portion and the second pressure regulating valve accommodating portion. Flows into the gap formed between the two. The steam from the hook 3 flows into the steam unit 29 disposed on the upper plate 21 through the gap. The steam from the hook 3 passes through the steam unit 29 and is discharged to the outside from an exhaust port formed in the steam unit 29.

  An upper inner body 62 is integrally fixed to the inner peripheral portion of the lower plate 22 of the lid 20. The upper inner body 62 is made of a metal member (for example, aluminum having excellent heat conductivity), extends in a cylindrical shape from the upper part to the lower part, and the lower part is curved in a divergent manner from the inner side to the outer side. It has a substantially cylindrical shape. An upper housing portion 11U for housing the upper container portion 3U of the hook 3 is formed by the lower surface of the inner lid 30 and the upper inner body 62. A plurality of annular upper body heaters 63 are disposed outside the upper side surface heating unit 62B of the upper inner body 62. The upper container portion 3U of the hook 3 is indirectly heated by the annular upper body heater 63 through the space in the upper housing portion 11U. Further, the upper body heater 63 is fixedly disposed on the lid body 20 side, and the lower end portion of the upper body heater 63 is positioned in the vicinity of the flange portion 4. It is heated indirectly. That is, the lower end portion of the upper body heater 63 functions as a rod heating unit that indirectly heats the flange portion 4. An upper inner cylinder temperature sensor (not shown) for detecting the temperature of the upper inner cylinder 62 is disposed on the heel support member 50. As the upper body heater 63, an electric heater or an induction heating coil can be used.

  A control board (not shown) is disposed in the rice cooker body 10 of the rice cooker 1 having the configuration. Then, by a microcomputer as a control means mounted on the control board, the induction heating coil 18, the lower body heater 43, the lower body heater 51, the upper body heater 63, and the upper body heater 63 based on the detected temperature of each temperature sensor according to a program stored in advance. The heating (energization) control of the lid heater 25 is performed, rice cooking (cooking) processing is performed through each process such as preheating, temperature rise (medium patch), power control, and unevenness, and the cooked rice is predetermined. A heat retention process is performed to maintain the temperature.

  As shown in FIGS. 2 and 3, the hook 3 is made by casting, for example, iron (nanbu iron) having a high thermal conductivity. A ridge 3D that is curved with a predetermined curvature is provided between the bottom 3B and the outer periphery 3C. In the outer peripheral part 3C of the hook 3, the flange part 4 is provided at a predetermined position between the upper end 3A of the hook 3 and the ridge part 3D, as will be described later. The flange portion 4 has an annular shape protruding outward in the radial direction. The collar portion 4 has an upper surface 4A and a lower surface 4B. In the hook 3, a portion positioned above the flange portion 4 constitutes the upper container portion 3U, and a portion positioned below the flange portion 4 constitutes the lower container portion 3L. The pot 3 is closed as a flat disk at the bottom 3B, the upper container 3U above the collar 4 has a substantially cylindrical shape, and the lower container 3L below the collar 4 faces downward. It has a bottomed, generally cylindrical shape that gradually decreases in diameter. The pot 3 is heated by induction heating or electric heating of a heater. For example, an eddy current flows from the bottom 3B to the ridge 3D by a magnetic field generated by flowing a high-frequency current through an induction heating coil 18 as a heating means. Induction heating.

  In the outer peripheral part 3C of the hook 3, as shown in FIG. 3, the flange part 4 is provided at a predetermined position between the upper end 3A and the bottom part 3B of the hook 3. If the height of the hook 3, that is, the height of the hook from the bottom surface of the bottom portion 3B to the upper end 3A, is H, the flange portion 4 is 3H / 3 from the lower limit position of the position of 1H / 4 with respect to the bottom surface of the bottom portion 3B. 4 is provided between the upper limit positions. When the eaves part 4 is positioned above the upper limit position, the lower container part 3L of the pot 3 accommodated in the rice cooker body 10 increases, and the heat of the pot 3 and the rice inside the pot 3 is transferred from the pot 3 to the rice cooker. It becomes easy to escape toward the inside of the main body 10, and it becomes difficult to cook delicious rice. When the collar part 4 is positioned below the lower limit position, the usability when using the collar part 4 as a handle for gripping the hook 3 is lowered. Therefore, the lower container part 3L of the pot 3 accommodated in the rice cooker body 10 is reduced by arranging the eaves part 4 at the predetermined position, and the heat escaping from the pot 3 toward the inside of the rice cooker body 10 is reduced. In addition, it is easy to use as a handle when the hook 3 is gripped.

  Next, a second embodiment will be described with reference to FIGS. The second embodiment is different from the first embodiment described above in that the rod support member 50 is configured to be able to appear and retract in the vertical direction with respect to the rod mounting portion 55.

  As shown in FIG. 4, the heel support member 50 integrated with the lower inner body 42 is formed between a lower recess 53 formed at the upper end of the shoulder body 14 and a recess formed on the lower surface of the heel support 50A. It is configured to be movable in the vertical direction by a lower spring 54 provided at the top. That is, the upper surface heating part 42A of the lower inner body 42 is disposed on the side of the rice cooker body 10 so as to be movable up and down. In the vicinity of the outer periphery of the heel support portion 50 </ b> A of the heel support member 50, an annular heel mounting portion 55 for mounting the heel portion 4 is fixed to the upper end surface of the shoulder body 14. The heel support portion 50 </ b> A of the heel support member 50 integrated with the lower inner body 42 is configured to be slidable along the inner peripheral surface of the heel mounting portion 55. In FIG. 4, the heel support member 50 integrated with the lower inner body 42 is moved upward by the urging force of the lower spring 54 and protrudes from the placement surface 55 </ b> A of the heel placement portion 55. It shows that.

  As shown in FIG. 5, when the hook 3 is set in the lower housing portion 11 </ b> L, the lower surface 4 </ b> B of the flange portion 4 comes into contact with the upper surface heating portion 42 </ b> A of the lower inner body 42 integrated with the flange support member 50. Then, the rod support member 50 integrated with the lower inner body 42 moves downward while resisting the urging force of the lower spring 54 with the weight of the hook 3. Thereafter, the lower surface 4B of the collar part 4 abuts on the mounting surface 55A of the collar mounting part 55, and the upper surface of the lower inner cylinder 42 is flush with the mounting surface 55A of the collar mounting part 55. As a result, the load of the hook 3 is loaded while being distributed to the heel placing portion 55, the lower inner body 42, and the heel support member 50 via the heel portion 4, and the heel portion 4 is loaded on the heel placing portion 55. And the lower inner body 42 and the heel support member 50. Accordingly, the vertically movable upper surface heating part 42A functions as a saddle heating part that directly heats the collar part 4, and the load on the lower inner body 42 and the collar support member 50 configured to be vertically movable is reduced. The

  The third embodiment will be described with reference to FIGS. In the third embodiment, in comparison with the first embodiment described above, the upper inner cylinder support member 60 covered with the upper inner cylinder 62 is arranged in the vertical direction with respect to the upper inner cylinder accommodating portion 67 of the lower plate 22. It is different that it is configured so that it can appear and disappear.

  An upper inner body accommodating portion 67 is formed on the lower inner peripheral portion of the lower plate 22 of the lid 20. An upper concave portion 65 is formed in the upper portion of the upper inner trunk accommodating portion 67. One end of the upper spring 64 is fixed to the upper recess 65. The other end of the upper spring 64 is fixed to the inner upper portion of the upper abutment portion 60A described later, and the upper inner cylinder support member 60 is suspended from the upper inner cylinder accommodating portion 67 of the lower plate 22 via the upper spring 64. Yes. In a state where the lower surface heating part 62 </ b> A of the upper inner cylinder 62 is not in contact with the upper surface 4 </ b> A of the flange 4, the lower surface heating part 62 </ b> A of the upper inner cylinder 62 protrudes downward from the lower end of the upper inner cylinder accommodating part 67. That is, the lower surface heating portion 62A of the upper inner cylinder 62 is disposed on the lid 20 side so as to be movable up and down.

  The upper inner trunk support member 60 includes a upper upper abutment portion 60A disposed so as to face the upper surface 4A of the collar portion 4, and an upper inner trunk support portion 60B extending upward from the upper upper abutment portion 60A. The upper inner cylinder 62 is integrally attached to the inner cylinder support member 60, and covers the lower surface of the upper abutment portion 60A and the inner surface of the upper inner cylinder support portion 60B. The upper inner body 62 is made of a metal member (for example, aluminum having excellent heat conductivity), the upper side surface heating part 62B extends in a cylindrical shape from the upper part to the lower part, and the lower surface heating part 62A is from the inner side to the outer side. As a whole, it has a substantially cylindrical shape that curves toward the end. An upper housing portion 11U for housing the upper container portion 3U of the hook 3 is formed by the lower surface of the inner lid 30 and the upper inner body 62.

  A plurality of upper body heaters 63 are disposed outside the upper side surface heating unit 62B of the upper inner body 62. The upper body heater 63 indirectly heats the upper side surface portion of the upper container portion 3U of the pot 3 through the space in the upper housing portion 11U. An eaves heater 66 is embedded between the lower surface portion of the eaves contact portion 60A and the lower surface heating portion 62A of the upper inner body 62 and in the groove portion of the eaves contact portion 60A. The upper inner cylinder support member 60 is provided with a saddle temperature sensor (not shown) that detects the temperature of the upper inner cylinder support member 60.

  As shown in FIG. 7, when the lid 20 is closed with respect to the rice cooker main body 10, the lower surface heating part 62 </ b> A of the upper inner cylinder 62 covering the upper inner cylinder support member 60 comes into contact with the upper surface 4 </ b> A of the eaves part 4. . The lid 20 moves downward as a whole, but the lower plate 22 of the lid 20 moves downward while compressing the upper spring 64 by the weight of the lid 20, so that the lower surface heating portion of the upper inner cylinder 62 is moved. 62A elastically contacts the upper surface 4A of the collar portion 4. As a result, the eaves part 4 is directly heated by the eaves heater 66. Therefore, the lower surface heating unit 62A of the upper and lower movable upper inner cylinder 62 functions as a rod heating unit that directly heats the flange 4.

  The fourth embodiment will be described with reference to FIG. The fourth embodiment is different from the first embodiment described above in that the lid 20 includes a blower unit 70 that controls the temperature of the upper container part 3U by blowing air instead of the upper inner body 62. doing.

  The blower unit 70 is disposed on the front side of the lid 20, and specifically, the blower unit 70 is disposed outside the side wall surface on the front side of the lower plate 22. A blower heater 74 covered with fins 72 is arranged at the upper part inside the casing 71 of the blower unit 70, and a blower fan 73 is arranged at the central part inside the casing 71. On the front side wall surface of the lower plate 22, an air inlet 76 is formed at an upper portion thereof, and an air blowing port 75 is formed at a lower portion thereof. A blower temperature sensor (not shown) for detecting the temperature of the air blown from the blower unit 70 is disposed on the front side wall surface of the lower plate 22.

  When the blower fan 73 is operated in a state where the blower heater 74 is energized and heated, the air sucked from the intake port 76 and heated by the blower heater 74 is blown from the blower port 75 as heated air. The The heated air returns to the air inlet 76 after heating the upper container part 3U while circling in the upper housing part 11U. The heated air whose temperature is controlled by the blast temperature sensor circulates in the upper housing portion 11U, whereby the upper container portion 3U is heated to a predetermined temperature.

  On the contrary, when the blower fan 73 is operated without energizing the blower heater 74, the air sucked from the intake port 76 is blown from the blower port 75 as cooling air that is not heated by the blower heater 74. The cooling air returns to the air inlet 76 after cooling the upper container part 3U while circling in the upper housing part 11U. The cooling air whose temperature is controlled by the blast temperature sensor circulates in the upper housing portion 11U, whereby the upper container portion 3U is cooled to a predetermined temperature. Therefore, the air blowing unit 70 can be used for both heating and cooling the upper container portion 3U by switching energization to the air blowing heater 74 to ON or OFF.

  By the way, as shown in FIG. 9, since the outer peripheral portion 3C of the upper container portion 3U extends upward and protrudes greatly, when the lid body 20 is opened and closed, the upper inner cylinder 62 of the lid body 20 moves upward. There is a risk of colliding with the outer peripheral part 3C of the container part 3U. Various factors such as the vertical and horizontal positions of the hinge connecting portion 17, the vertical position of the collar portion, or the separation distance between the upper container portion 3 </ b> U and the upper inner body 62 are related. For example, when attention is paid to the hinge connecting portion 17, it can be considered as follows.

  In FIG. 9, the smaller arc indicated by a two-dot chain line is a locus of the lower end of the upper inner cylinder 62 on the hinge connection portion 17 side (back side) when the axis A of the hinge connection portion 17 is the rotation center. is there. The larger arc indicated by the alternate long and short dash line is the locus of the lower end of the upper inner body 62 on the lid hook 27 side (front side) when the axis B of the hinge connecting portion 17 is the rotation center.

  When the axis A is the rotation center, the lower end of the upper inner body 62 collides with the upper part of the outer peripheral part 3C of the upper container part 3U on the hinge connection part 17 side. Therefore, in order to avoid the collision, it is necessary to position the axis of the hinge connection portion 17 below the axis A, and the upper limit position of the axis of the hinge connection portion 17 is C1. When the axis B is the rotation center, the lower end of the upper inner body 62 collides with the upper part of the outer peripheral part 3C of the upper container part 3U on the lid hook 27 side. Therefore, in order to avoid the collision, it is necessary to position the axis of the hinge connecting portion 17 above the axis B, and the lower limit position of the axis of the hinge connecting portion 17 is C2. If the axial center of the hinge connecting portion 17 is disposed within the axial center disposition range C between the upper limit position C1 and the lower limit position C2, a collision can be avoided. For example, the upper limit position C1 roughly corresponds to the position of the upper end 3A of the hook 3, and the lower limit position C2 roughly corresponds to the position of the collar portion 4 of the hook 3.

  In order to facilitate understanding of the present invention, the description has been made using specific configurations and numbers, but the present invention is not limited to the specific configurations and numbers of the above-described embodiments, Various modifications that can be considered without departing from the scope of the claims can be included. For example, the pressure rice cooker 1 includes a vertically movable upper surface heating unit 42A (shown in FIGS. 4 and 5) provided on the rice cooker body 10 side and a vertically movable type provided on the lid 20 side. The configuration may include both the lower surface heating unit 62A (shown in FIGS. 6 and 7).

  Further, the inner lid 30 may be configured to include an inner lid cover or the like that is detachably or fixedly attached to the hook 3 side of the inner lid 30. The two pressure regulating valves, the first pressure regulating valve 35 and the second pressure regulating valve 36, are mounted on the inner lid 30, but only one pressure regulating valve may be mounted on the inner lid 30.

DESCRIPTION OF SYMBOLS 1 Rice cooker 3 Pot 3C Outer peripheral part 3L Lower container part 3U Upper container part 4 Cage part 10 Rice cooker main body 11L Lower accommodating part 11U Upper accommodating part 12 Body 13 Bottom body 14 Shoulder body 17 Hinge connection part 17A Hinge spring 18 Heating means 20 Lid Body 21 Upper plate 22 Lower plate 23 Opening operation member 24 Radiating plate 27 Lid hook 27A Hook claw 27B Hook receiving portion 29 Steam unit 30 Inner lid 32 Inner lid frame member 33 Seal member 34 Inner lid plate 36 Second pressure regulating valve 41 Protective frame 42 Lower inner body 42A Upper surface heating part (saddle heating part)
42B Lower side heating unit 43 Lower body heater 45 Main body reinforcing plate (reinforcing member)
48 lid reinforcing plate 50 鍔 support member 50A 鍔 support portion 50B lower inner cylinder support portion 51 鍔 lower heater 53 lower recess 54 lower spring 55 鍔 placement portion 60 upper inner cylinder support member 60A 鍔 upper contact portion 60B upper inner cylinder support portion 62 Upper inner cylinder 62A Lower surface heating part (saddle heating part)
62B Upper side surface heating part 63 Upper body heater 64 Upper spring 65 Upper recessed part 66 Upper heater 67 Upper inner body accommodating part 70 Blower unit 71 Housing 72 Fin 73 Blower fan 74 Blower heater 75 Blower port 76 Inlet port

Claims (9)

A hook having an annular collar provided on the outer periphery of the hook;
A rice cooker body having a heel support portion at the top for suspending the heel portion;
A rice cooker that covers an upper portion of the pot and is disposed to be openable and closable on the rice cooker body,
The rice cooker in which the height position of the hook portion from the bottom surface of the hook is set to a position of ¼ to ¾ of the height of the hook from the bottom surface to the upper end of the hook.   In Claim 1, the said rice bran support part is a rice cooker provided with the rice bran heating part which heats the said rice bran part.   3. The rice cooker according to claim 2, wherein the rice bran heating unit is disposed on at least one of the rice cooker body side and the lid body side.   4. The lid body according to claim 2 or 3, wherein when the rice bran heating part is disposed in a fixed type that is fixed to the side of the rice cooker body or a vertically movable type that moves in the vertical direction, the lid body comes into contact with the lid unit. A rice cooker that is located in the vicinity of the eaves portion when arranged on the side of the lid, and abuts against the eaves portion when arranged in a vertically movable manner on the lid side.   In any one of Claims 1 thru | or 4, The upper surface heating part provided in the said cover body in order to heat the side part of the upper container part above the said collar part of the said hook, A rice cooker provided with at least one of the lower side surface heating parts provided in the rice cooker main body in order to heat the side part of the lower container part below the bowl.   In Claim 5 which concerns on Claim 4 or Claim 4, the said rice bran support part is a thing of an up-and-down movable type, Comprising: The said rice cooker main body is the said rice bowl part in the vicinity of the said up-and-down movable type rice bran support part. The rice cooker which has fixed the bowl mounting part which mounts.   The rice cooker according to any one of claims 1 to 6, wherein the rice cooker body includes a reinforcing member that receives a load from the pot via the heel portion below the heel support portion.   6. The rice cooker according to claim 5, wherein the upper surface heating unit is an annular heating unit.   In any 1 item | term of the Claims 1 thru | or 8, The said cover body is equipped with the ventilation unit provided with a heater and a ventilation fan, The temperature of the upper container part above the said collar part of the said hook by ventilation from the said ventilation unit. To control the rice cooker.

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