Pressure rice cooker

Abstract

We provide a pressure-type rice cooker that can further suppress boil-overs of starchy rice. [Solution] The pressure cooker of the present disclosure comprises a heating unit for heating a pot and a lid, the lid having a fluid intake port that communicates with the internal space of the pot and an inner lid capable of sealing the upper opening of the pot, an outer lid having a steam outlet that communicates with the external space of the lid and to which the inner lid is attached such that a steam path is formed between the inner lid and the fluid intake port and the steam outlet, and a pressure reducing valve provided to open and close the fluid intake port, the inner lid comprising a fluid guide cylinder provided around the pressure reducing valve and a sticky rice reservoir provided around the fluid guide cylinder, the fluid guide cylinder configured to guide the fluid that flows in through the fluid intake port to the opposing wall of the outer lid, the sticky rice reservoir being separated from the fluid by being guided to the opposing wall and configured to collect sticky rice that flows out through the gap between the upper end of the fluid guide cylinder and the opposing wall.

Description

Technical Field

[0001] The present disclosure relates to a pressure rice cooker having a configuration for suppressing overflow of starch leachate.

Background Art

[0002] Conventionally, as a rice cooker having a configuration for suppressing overflow of starch leachate, for example, a rice cooker described in Patent Document 1 (Japanese Patent Application Laid-Open No. 2022-134156) is known. Patent Document 1 discloses a rice cooker configured to provide a starch leachate reservoir and a steam inlet in an inner lid, separate a fluid (also referred to as starch leachate foam) that has entered a steam path portion through the steam inlet into starch leachate and steam, and store the separated starch leachate in the starch leachate reservoir.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In recent years, as rice cookers, pressure rice cookers that pressurize the pressure inside the pot to a pressure higher than atmospheric pressure to cook rice have become widely popular. When the configuration described in Patent Document 1 is applied to a pressure rice cooker, the momentum of the fluid passing through the steam inlet becomes stronger due to the pressure inside the pot, so the fluid may not be sufficiently separated into starch leachate and steam, and starch leachate may overflow.

[0005] Therefore, in conventional rice cookers, there is still room for improvement from the viewpoint of further suppressing overflow of starch leachate.

[0006] Therefore, an object of the present disclosure is to solve the above problems and provide a pressure rice cooker that can further suppress overflow of starch leachate.

Means for Solving the Problems

[0007] To achieve the aforementioned objective, a pressure cooker according to one aspect of the present disclosure is: A pot and A heating section for heating the aforementioned pot, A lid is provided that can be opened and closed at the upper opening of the aforementioned pot, Equipped with, The aforementioned cover is An inner lid having a fluid intake port that communicates with the internal space of the pot and capable of sealing the upper opening of the pot, An outer lid having a steam outlet that communicates with the external space of the lid, and the inner lid being attached such that a steam path is formed between the inner lid and the outer lid that connects the fluid intake port and the steam outlet, A pressure reducing valve is provided in the steam path so as to be able to open and close the fluid intake port, Equipped with, The inner lid is, A fluid guide cylinder provided around the pressure reducing valve, A sticky residue reservoir is provided around the aforementioned fluid guide cylinder, Equipped with, The fluid guide cylinder is configured to guide the fluid that has flowed into the steam path through the fluid intake port to the opposing wall of the outer cover that is opposite to the upper end of the fluid guide cylinder. The present invention provides a pressure-type rice cooker in which the aforementioned sticky residue reservoir is separated from the fluid by being guided to the opposing wall of the outer lid, and is configured to collect the sticky residue that flows out through the gap between the upper end of the fluid guide cylinder and the opposing wall of the outer lid. [Effects of the Invention]

[0008] The pressure cooker described herein can further suppress the boiling over of rice starch. [Brief explanation of the drawing]

[0009] [Figure 1] This is a longitudinal cross-sectional view of a pressure-type rice cooker according to an embodiment of the present disclosure. [Figure 2] Figure 1 is a perspective view of the inner lid of the pressure cooker, seen from an oblique angle above. [Figure 3] It is a cross-sectional view of the inner lid provided in the pressure rice cooker of FIG. 1. [Figure 4] It is a perspective view of the outer lid provided in the pressure rice cooker of FIG. 1 as seen from obliquely below. [Figure 5] It is a partially enlarged cross-sectional view of a part of the lid body provided in the pressure rice cooker of FIG. 1. [Figure 6] It is a partially enlarged cross-sectional view showing a modified example of the lid body of FIG. 5.

MODE FOR CARRYING OUT THE INVENTION

[0010] According to the first aspect of the present disclosure, a pot, a heating unit for heating the pot, a lid body provided so as to be able to open and close an upper opening of the pot, are provided, the lid body has a fluid intake port communicating with the internal space of the pot and an inner lid capable of sealing the upper opening of the pot, has a steam discharge port communicating with the external space of the lid body, and an outer lid to which the inner lid is attached so that a steam path communicating the fluid intake port and the steam discharge port is formed between the inner lid and the outer lid, a pressure reducing valve provided in the steam path so as to be able to open and close the fluid intake port, are provided, the inner lid has a fluid guiding cylinder provided around the pressure reducing valve, and a water droplet accumulating portion provided around the fluid guiding cylinder, are provided, the fluid guiding cylinder is configured to guide the fluid flowing into the steam path through the fluid intake port to the opposing wall of the outer lid facing the upper end portion of the fluid guiding cylinder, the water droplet accumulating portion is configured to accumulate the water droplets separated from the fluid by being guided to the opposing wall of the outer lid and flowing out through the gap between the upper end portion of the fluid guiding cylinder and the opposing wall of the outer lid, and provides a pressure rice cooker.

[0011] According to a second aspect of the present disclosure, there is provided the pressure rice cooker described in the first aspect, wherein the opposing wall is formed so as to be orthogonal or substantially orthogonal to the extending direction of the fluid guiding cylinder.

[0012] According to a third aspect of the present disclosure, there is provided the pressure rice cooker described in the first aspect, wherein the upper end portion of the fluid guiding cylinder is located above the upper end portion of the rice storage portion.

[0013] According to a fourth aspect of the present disclosure, the rice storage portion includes an annular packing arranged so as to surround the fluid guiding cylinder when viewed in the vertical direction. There is provided the pressure rice cooker according to any one of the first to third aspects, wherein the upper end portion of the fluid guiding cylinder is located above the upper end portion of the packing.

[0014] According to a fifth aspect of the present disclosure, there is provided the pressure rice cooker described in the first aspect, wherein the opposing wall of the outer lid is provided at a position where the fluid guided by the fluid guiding cylinder collides.

[0015] According to a sixth aspect of the present disclosure, there is provided the pressure rice cooker according to any one of the first to fifth aspects, wherein the opening area of the gap between the upper end portion of the fluid guiding cylinder and the opposing wall is smaller than the opening area of the fluid intake port.

[0016] According to a seventh aspect of the present disclosure, the bottom wall of the outer lid constituting the steam path between the opposing wall and the steam discharge port has at least one stepped portion so as to be separated in the height direction from the inner lid as it approaches the steam discharge port. There is provided the pressure rice cooker according to any one of the first to sixth aspects, wherein the stepped portion located closer to the opposing wall than the fluid intake port is formed in a curved surface shape having a radius of curvature larger than the thickness of the bottom wall.

[0017] According to an eighth aspect of the present disclosure, the bottom wall of the outer lid has a plurality of the stepped portions. The present invention provides a pressure-type rice cooker according to the seventh embodiment, wherein the stepped portion closest to the opposing wall is formed into a curved shape having a larger radius of curvature than the other stepped portions.

[0018] According to a ninth aspect of the present disclosure, a pressure cooker according to the seventh or eighth aspect is provided, wherein the bottom wall of the outer lid has a protruding wall that protrudes toward the starch reservoir so as to cross a tangent to the stepped portion that connects the stepped portion and the steam outlet by a virtual straight line.

[0019] According to a tenth aspect of the present disclosure, a pressure cooker according to the ninth aspect is provided, wherein the lower end of the protruding wall is located at the same height as or above the upper end of the fluid guide cylinder.

[0020] According to an eleventh aspect of the present disclosure, a pressure cooker according to any one of the first to tenth aspects is provided, wherein the outer lid is provided so as to protrude toward the inner lid around the opposing wall and has a U-shaped or C-shaped steam guide wall that opens toward the steam outlet so as to guide steam separated from the fluid by being guided toward the opposing wall toward the steam outlet.

[0021] Embodiments of this disclosure will be described below with reference to the drawings. However, this disclosure is not limited by these embodiments. Furthermore, substantially identical components are denoted by the same reference numerals in the drawings.

[0022] Furthermore, for the sake of clarity, terms such as "up" and "down" are used below to indicate direction, assuming the conditions during normal use. However, these terms are not intended to limit the usage conditions of the pressure rice cooker described herein.

[0023] (Embodiment) Figure 1 is a longitudinal cross-sectional view of a pressure-type rice cooker according to an embodiment of the present disclosure.

[0024] As shown in Figure 1, the pressure cooker according to this embodiment comprises a roughly bottomed cylindrical rice cooker body 1 with a pot storage section 1A formed inside, and a pot 2 housed in the pot storage section 1A, into which food to be cooked, such as rice and water, is placed. An outer lid 3 with a hollow structure that can open and close the upper opening of the rice cooker body 1 is attached to the top of the rice cooker body 1. An inner lid 4 capable of sealing the upper opening of the pot 2 is attached to the inside of the outer lid 3 (the side that covers the upper opening of the pot 2). In this embodiment, the inner lid 4 is formed in a roughly disc shape and is detachably attached to the outer lid 3. In this embodiment, the outer lid 3 and the inner lid 4 constitute a lid that can open and close the upper opening of the pot 2.

[0025] A pot bottom heating unit 5, which is an example of a heating unit for heating the pot 2 (induction heating), is attached to the outer circumferential surface of the pot storage section 1A. The pot bottom heating unit 5 consists of an internal bottom heating coil 5A and an external bottom heating coil 5B. The internal bottom heating coil 5A is positioned to face the central part of the bottom of the pot 2 via the pot storage section 1A. The external bottom heating coil 5B is positioned to face the corners of the bottom of the pot 2 via the pot storage section 1A.

[0026] An opening is provided in the center of the bottom of the pot storage section 1A. A pot temperature sensor 6, which is an example of a pot temperature detection unit for measuring the temperature of the pot 2, is positioned in this opening so as to be in contact with the bottom of the pot 2 stored in the pot storage section 1A. Since the temperature of the pot 2 is approximately the same as the temperature of the food being cooked inside the pot 2, the temperature of the food being cooked inside the pot 2 can be detected by the pot temperature sensor 6 detecting the temperature of the pot 2.

[0027] The outer lid 3 is equipped with a hinge shaft 31. The hinge shaft 31 is the opening and closing axis of the outer lid 3 and is fixed to the rice cooker body 1 at both ends so that it can rotate freely. A torsion coil spring 7 is attached around the hinge shaft 31. The torsion coil spring 7 elastically biases the outer lid 3 away from the upper opening of the pot 2 (opening direction) around the hinge shaft 31.

[0028] A lid release device 8 is provided inside the outer lid 3. The lid release device 8 engages with a part of the rice cooker body 1, thereby maintaining the outer lid 3 in a state where it is blocking the upper opening of the rice cooker body 1. When the lid release button 81 provided on the rice cooker body 1 or the outer lid 3 is pressed while the outer lid 3 is blocking the upper opening of the rice cooker body 1, the engagement between the lid release device 8 and the part of the rice cooker body 1 is released. As a result, the outer lid 3 rotates around the hinge axis 31 due to the biasing force of the torsion coil spring 7, moving away from the upper opening of the pot 2, and becomes open, leaving the upper opening of the pot 2 uncovered.

[0029] The outer lid 3 is provided with a steam outlet 32 ​​that communicates with the external space of the lid. The steam outlet 32 ​​is an opening for releasing steam generated in the pot 2 into the external space of the rice cooker. In this embodiment, the steam outlet 32 ​​is located on the upper wall of the outer lid 3, close to the hinge axis 31.

[0030] The inner lid 4 is provided with a fluid intake port 4A that communicates with the internal space of the pot 2. The inner lid 4 is attached to the outer lid 3 such that a steam path 9 is formed between the outer lid 3 and the inner lid 4, connecting the fluid intake port 4A and the steam outlet 32. The fluid intake port 4A is an opening for taking in the fluid, including steam and starch, generated in the pot 2, into the steam path 9. The steam generated in the pot 2 is discharged to the external space of the rice cooker through the fluid intake port 4A, the steam path 9, and the steam outlet 32, as shown by the arrows in Figure 1.

[0031] A pressure reducing valve 10 capable of opening and closing the fluid intake port 4A is provided within the steam path 9. The pressure reducing valve 10 is configured to move between a closed position that closes the fluid intake port 4A and an open position that opens the fluid intake port 4A, via a pressure reducing valve moving mechanism 11. In this embodiment, the pressure reducing valve moving mechanism 11 is mounted above the fluid intake port 4A and is configured to move the pressure reducing valve 10 in the vertical direction (in the thickness direction of the lid). The pressure reducing valve moving mechanism 11 is configured to press the pressure reducing valve 10 with a pressure greater than a predetermined value (for example, 1.2 atmospheres) to hold the pressure reducing valve 10 in the closed position. Furthermore, the pressure reducing valve moving mechanism 11 is configured to move the pressure reducing valve 10 from the closed position to the open position at a predetermined timing when the pressure inside the pot 2 exceeds a predetermined value (for example, 1.2 atmospheres), under the control of the control unit 13, which will be described later. This allows the pressure inside the pot 2 to be rapidly reduced (for example, reduced from 1.2 atmospheres to 1.0 atmosphere), causing the water inside the pot 2 to boil and agitate the rice grains inside the pot 2. At this time, the fluid containing steam and sticky residue generated in the pot 2 enters the steam path 9 through the fluid intake port 4A.

[0032] The outer lid 3 is further equipped with a display and operation unit 12 that displays various information such as the cooking course and cooking time, and allows the user to select a specific cooking course from among multiple cooking courses such as white rice course, brown rice course, and white rice (soft) course. The display and operation unit 12 displays various information such as the cooking course and cooking time, and is configured to allow the user to select a cooking course, as well as to instruct the user to start, cancel, or reserve cooking. The user can refer to the various information displayed on the display and operation unit 12, select a specific cooking course, and instruct the user to start cooking.

[0033] A control unit 13 is installed inside the rice cooker body 1. The control unit 13 has a memory unit that stores multiple rice cooking sequences. Here, a "rice cooking sequence" refers to a rice cooking procedure in which the energizing time, heating temperature, heating time, heating output, etc., are predetermined for each of the four main steps: preheating, heating, boiling maintenance, and steaming. Each rice cooking sequence corresponds to one of several rice cooking courses. Based on the rice cooking course selected on the display operation unit 12 and the temperature detected by the pot temperature sensor 6, the control unit 13 controls the pot bottom heating unit 5 and the pressure reducing valve movement mechanism 11 to execute the rice cooking process.

[0034] Next, the configuration of the outer lid 3 and inner lid 4 will be described in more detail. Figure 2 is a perspective view of the inner lid 4 from diagonally above. Figure 3 is a cross-sectional view of the inner lid 4. Figure 4 is a perspective view of the outer lid 3 from diagonally below. Figure 5 is a partially enlarged cross-sectional view of the lid.

[0035] As shown in Figure 2, the inner cover 4 includes a fluid guide cylinder 41 provided around the pressure reducing valve 10, a sludge reservoir 42 provided around the fluid guide cylinder 41, and a return valve 43.

[0036] The fluid guide tube 41 is configured to guide the fluid that flows into the steam path 9 through the fluid intake port 4A to the opposing wall 33 (see Figure 4) of the outer cover 3, which is opposite the upper end portion 41A of the fluid guide tube 41. In this embodiment, the opposing wall 33 corresponds to the peripheral portion of the surface that the pressure reducing valve moving mechanism 11 presses against the pressure reducing valve 10. The fluid guide tube 41 is formed, for example, in a cylindrical shape so as to surround the pressure reducing valve 10. In this embodiment, the opposing wall 33 is provided so as to be perpendicular or substantially perpendicular to the extending direction of the fluid guide tube 41. The fluid that flows into the steam path 9 through the fluid intake port 4A is guided to the fluid guide tube 41 and separated into steam and molten metal.

[0037] The sticky residue reservoir 42 is separated from the fluid by being guided by the opposing wall 33 and is configured to collect the sticky residue that flows out through the gap between the upper end 41A of the fluid guide cylinder 41 and the opposing wall 33. The upper end 41A of the fluid guide cylinder 41 is located above the upper end 42A of the sticky residue reservoir 42.

[0038] In this embodiment, the sticky residue reservoir 42 is equipped with a packing 42B, which is an annular elastic body positioned to enclose the fluid guide tube 41 when viewed from the vertical direction (thickness direction of the lid). The upper end 42A of the sticky residue reservoir 42 coincides with the upper end of the packing 42B. That is, the upper end 41A of the fluid guide tube 41 is located above the upper end of the packing 42B. As shown in Figure 3, the height H1 from the bottom surface of the inner lid 4 to the upper end 41A of the fluid guide tube 41 is higher than the height H2 from the bottom surface of the inner lid 4 to the upper end of the packing 42B. As a result, the steam separated from the fluid by being guided by the opposing wall 33 flows above the sticky residue reservoir 42. This prevents the steam from coming into contact with the sticky residue stored in the sticky residue reservoir 42, further suppressing spillage of the sticky residue.

[0039] The recirculation valve 43 is provided to connect the internal space of the pot 2 with the internal space of the sticky residue reservoir 42. The recirculation valve 43 is configured to return the sticky residue stored in the sticky residue reservoir 42 back to the internal space of the pot 2 when the pressure in the internal space of the sticky residue reservoir 42 becomes lower than the pressure in the internal space of the pot 2.

[0040] Furthermore, in this embodiment, the opening area of ​​the gap G between the upper end 41A of the fluid guide cylinder 41 and the opposing wall 33 is designed to be smaller than the opening area of ​​the fluid intake port 4A. This allows the fluid that flows into the steam path 9 through the fluid intake port 4A to be guided to the opposing wall 33, thereby ensuring that the sludge and steam are reliably separated.

[0041] The bottom wall 34 of the outer lid 3, which constitutes the steam path 9 between the opposing wall 33 and the steam outlet 32, has at least one stepped portion 35 such that it moves away in the height direction from the inner lid 4 as it approaches the fluid intake port 4A. In this embodiment, the bottom wall of the outer lid 3 is provided with three stepped portions 35A to 35C. As a result, the area of ​​the steam path 9 expands as it approaches the steam outlet 32, and the force of the steam flowing through the steam path 9 slows down.

[0042] The stepped portion 35A, located closer to the opposing wall 33 than the steam outlet 32, is formed with a curved shape having a larger radius of curvature than the thickness of the bottom wall 34. In this embodiment, the stepped portion 35A, located closer to the opposing wall 33 than the steam outlet 32, is formed with a curved shape having a larger radius of curvature than the other stepped portions 35B and 35C. As a result, the steam separated from the fluid flows more easily along the bottom wall 34 due to the Coanda effect. Consequently, contact between the steam and the stale material stored in the stale material reservoir 42 is further suppressed, and spillage of the stale material can be further reduced.

[0043] Furthermore, as shown in Figure 5, the bottom wall 34 of the outer lid 3 has a protruding wall 36 that projects toward the stale residue reservoir 42, crossing the tangent to the stepped portion 35A, which is connected to the steam outlet 32 ​​by a virtual straight line L1. In this embodiment, the protruding wall 36 is provided to protrude downward from the stepped portion 35B. As a result, even if the stale residue separated from the fluid flows beyond the stepped portion 35A toward the steam outlet 32, the protruding wall 36 can guide it toward the stale residue reservoir 42. On the other hand, the steam separated from the fluid fills the space between the stepped portion 35A and the protruding wall 36, weakening before passing over the protruding wall 36 toward the steam outlet 32. As a result, spillage of the stale residue can be further suppressed.

[0044] Furthermore, the lower end 36A of the protruding wall 36 is located at the same height as the upper end 41A of the fluid guide cylinder 41, or above the upper end 41A of the fluid guide cylinder 41. This prevents steam separated from the fluid from coming into contact with the sticky residue stored in the sticky residue reservoir 42, further reducing the spillage of the sticky residue.

[0045] Furthermore, the outer cover 3 is provided so as to protrude toward the inner cover 4 around the opposing wall 33 and has a U-shaped or C-shaped steam guide wall 37 that opens toward the steam outlet 32 ​​so as to guide steam separated from the fluid by being guided toward the opposing wall 33 toward the steam outlet 32.

[0046] According to the pressure cooker of this embodiment, the inner lid 4 is equipped with a fluid guide cylinder 41 provided around the pressure reducing valve 10, and is configured to guide the fluid that flows into the steam passage 9 to the opposing wall 33. This configuration allows for more reliable separation of the starchy rice and the steam.

[0047] Furthermore, according to the pressure cooker of this embodiment, the inner lid 4 is equipped with a starch reservoir 42 provided around the fluid guide cylinder 41, and the starch reservoir 42 is configured to collect the starch that flows out through the gap G between the upper end 41A of the fluid guide cylinder 41 and the opposing wall 33. With this configuration, the starch that is separated from the fluid by being guided by the opposing wall 33 can be collected in the starch reservoir 42, thereby preventing the starch from overflowing from the steam outlet 32.

[0048] Furthermore, in the initial stages of the boiling process, the amount of water in the pot 2 is large. Moving the pressure reducing valve 10 from the closed position to the open position at this time increases the amount of fluid flowing into the steam path 9, and also increases the amount of starch contained in that fluid. With this configuration, even in the initial stages of the boiling process, the starch and steam can be separated more reliably, allowing the pressure reducing valve 10 to be opened and closed multiple times to thoroughly agitate the contents of the pot 2. As a result, heat can be transferred evenly to the rice grains, further improving the taste.

[0049] This disclosure is not limited to the embodiments described above, and can be implemented in various other forms. For example, although the fluid guide tube 41 is formed in a cylindrical shape as described above, this disclosure is not limited thereto. The fluid guide tube 41 only needs to be configured to guide the fluid that flows into the steam path 9 through the fluid intake port 4A to the opposing wall 33. For example, a small hole, notch, slit, etc., may be provided in a part of the fluid guide tube 41.

[0050] Furthermore, while the opposing wall 33 is formed to be perpendicular or substantially perpendicular to the extending direction of the fluid guide cylinder 41 as described above, this disclosure is not limited thereto. The opposing wall 33 only needs to have a shape that can separate the fluid that flows into the steam path 9 through the fluid intake port 4A into steam and molten metal. For example, the opposing wall 33 may be a flat surface, a concave surface, or a convex surface.

[0051] Furthermore, although the above description assumes that the bottom wall 34 of the outer lid 3 has a protruding wall 36, this disclosure is not limited to this. As shown in Figure 6, the bottom wall 34 of the outer lid 3 does not need to have a protruding wall 36. Even with this configuration, the steam separated from the fluid loses momentum as it approaches the steam outlet 32, thus preventing the steam from boiling over.

[0052] Furthermore, it is preferable that the opposing wall 33 of the outer cover 3 be positioned where the fluid guided by the fluid guide cylinder 41 collides with it. This allows the fluid guided by the fluid guide cylinder 41 to collide with the opposing wall 33, ensuring that the molten metal and steam are reliably separated.

[0053] While this disclosure is adequately described in relation to preferred embodiments with reference to the accompanying drawings, various variations and modifications will be obvious to those skilled in the art. Such variations and modifications should be understood to be included within the scope of this disclosure as defined by the attached claims. [Industrial applicability]

[0054] The rice cooker described herein is useful as a pressure cooker because it can further suppress the boiling over of starchy rice. [Explanation of Symbols]

[0055] 1. Rice cooker unit 1A Pot storage section 2 pot 3 Outer lid 4. Inner lid 4A Fluid intake port 5. Pot bottom heating unit 5A Bottom heating coil 5B Bottom external heating coil 6. Pot temperature sensor 7. Torsion coil spring 8 Lid opening device 9. Steam pathways 10 Pressure Reducing Valve 11 Pressure Reducing Valve Movement Mechanism 12 Display operation section 13 Control Unit 31 Hinge axis 32 Steam outlet 33 Opposing wall 34 Bottom wall 35, 35A, 35B, 35C Stepped section 36 Projecting wall 36A Lower end 37 Steam induction wall 41 Fluid guide tube 41A Upper end 42 Sticky Stuff Club 42A Upper end 42B Packing 43 Reflux valve 81 Open Lid Button G Gap H1, H2 Height L1 Virtual Line

Claims

1. A pot and A heating section for heating the aforementioned pot, A lid is provided that can be opened and closed at the upper opening of the aforementioned pot, Equipped with, The aforementioned cover is An inner lid having a fluid intake port that communicates with the internal space of the pot and capable of sealing the upper opening of the pot, An outer lid having a steam outlet that communicates with the external space of the lid, and the inner lid being attached such that a steam path is formed between the inner lid and the outer lid that connects the fluid intake port and the steam outlet, A pressure reducing valve is provided in the steam path so as to be able to open and close the fluid intake port, Equipped with, The inner lid is, A fluid guide cylinder provided around the pressure reducing valve, A sticky residue reservoir is provided around the aforementioned fluid guide cylinder, Equipped with, The fluid guide cylinder is configured to guide the fluid that has flowed into the steam path through the fluid intake port to the opposing wall of the outer cover that is opposite to the upper end of the fluid guide cylinder. A pressure-type rice cooker, wherein the aforementioned sticky residue reservoir is separated from the fluid by being guided to the opposing wall of the outer lid, and is configured to collect the sticky residue that flows out through the gap between the upper end of the fluid guide cylinder and the opposing wall of the outer lid.

2. The pressure-type rice cooker according to claim 1, wherein the opposing wall is formed to be perpendicular or substantially perpendicular to the extending direction of the fluid guide cylinder.

3. The pressure-type rice cooker according to claim 1, wherein the upper end of the fluid guide cylinder is located above the upper end of the rice paste reservoir.

4. The aforementioned sticky reservoir is equipped with an annular packing that is positioned to enclose the fluid guide cylinder when viewed from above and below. The pressure-type rice cooker according to claim 3, wherein the upper end of the fluid guide cylinder is located above the upper end of the packing.

5. The pressure-type rice cooker according to claim 1, wherein the opposing wall of the outer lid is provided at a position where the fluid guided by the fluid guide cylinder collides with it.

6. The pressure rice cooker according to any one of claims 1 to 5, wherein the opening area of ​​the gap between the upper end of the fluid guide cylinder and the opposing wall is smaller than the opening area of ​​the fluid intake port.

7. The bottom wall of the outer lid, which constitutes the steam path between the opposing wall and the steam outlet, has at least one stepped portion such that it moves away from the inner lid in the height direction as it approaches the steam outlet. The step portion located closer to the opposing wall than the fluid intake port is formed in a curved shape having a radius of curvature greater than the thickness of the bottom wall, according to any one of claims 1 to 5.

8. The bottom wall of the outer cover has a plurality of stepped portions, The pressure rice cooker according to claim 7, wherein the step closest to the opposing wall is formed in a curved shape having a larger radius of curvature than the other step portions.

9. The pressure rice cooker according to claim 7, wherein the bottom wall of the outer lid has a protruding wall that protrudes toward the starch reservoir so as to cross the tangent to the stepped portion that connects the stepped portion and the steam outlet with a virtual straight line.

10. The pressure-type rice cooker according to claim 9, wherein the lower end of the protruding wall is located at the same height as the upper end of the fluid guide cylinder or above the upper end of the fluid guide cylinder.

11. The pressure rice cooker according to any one of claims 1 to 5, wherein the outer lid is provided so as to protrude toward the inner lid around the opposing wall and has a U-shaped or C-shaped steam guide wall that opens toward the steam outlet so as to guide steam separated from the fluid by being guided toward the opposing wall toward the steam outlet.

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