Pot container and cooking utensil

Abstract

The utility model discloses a pot liner and a cooking utensil, the pot liner comprises a pot body and a bottom plate, and the pot body comprises an arc-shaped bottom wall part; the bottom plate is arranged on the outer side of the pot body and covers at least the bottom wall part of the pot body, the bottom plate comprises a bottom plate body and a plurality of bottom plate notches formed in the bottom plate body, each of the plurality of bottom plate notches extends from the top edge of the bottom plate to the bottom center part of the bottom plate body, the plurality of bottom plate notches are arranged in the circumferential direction of the bottom plate at intervals, and the bottom plate notches are communicated with the bottom plate body. And blade parts are formed between the adjacent bottom plate notches of the bottom plate body. According to the utility model, the large plane of the bottom plate is divided into a plurality of small planes, and the stress is expanded from a single large edge to a plurality of edges. Therefore, the stress condition of the arc-shaped compound bottom position of the bottom plate can be changed during compounding, so that the bottom plate can be fully deformed, stress concentration is effectively reduced, and cracking of the edge of the bottom plate caused by stress concentration is avoided. And the bottom plate is one piece and can be integrally formed at one time during bottom compounding, and the process is simple and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a pot and a cooking utensil. Background Art

[0002] Existing cooking utensils such as electric rice cookers are generally equipped with a pot. Some pots are manufactured using a composite bottom process to set a bottom plate at the bottom of the pot. The existing pot bottom composite process is a large flat bottom composite, which can avoid the influence of weak bonding force caused by deformation stress.

[0003] When a large area of ​​curved bottom is re-bottomed on a pot with a curved bottom, the edge of the bottom plate is prone to cracking due to stress concentration, resulting in failure of the re-bottoming process. If the plane is divided into multiple parts and re-laminated multiple times, it will result in high costs, and there will be error gaps between the multiple re-laminated bottom plates, and they cannot form a whole.

[0004] Therefore, a pot and a cooking utensil are needed to at least partially solve the above problems. Utility Model Content

[0005] The content of the utility model introduces a series of simplified concepts, which will be further described in detail in the detailed implementation section. The content of the utility model does not mean to attempt to define the key features and essential technical features of the technical solution claimed for protection, nor does it mean to attempt to determine the scope of protection of the technical solution claimed for protection.

[0006] In order to at least partially solve the above problems, the utility model provides a pot, which includes:

[0007] A pot body, the pot body comprising an arc-shaped bottom wall portion; and

[0008] A bottom plate, the bottom plate is arranged outside the pot body and covers at least the bottom wall of the pot body, the bottom plate comprises a bottom plate body and a plurality of bottom plate notches opened in the bottom plate body,

[0009] Wherein, each of the multiple bottom plate notches extends from the top edge of the bottom plate toward the bottom center portion of the bottom plate body, the multiple bottom plate notches are arranged at intervals in the circumferential direction of the bottom plate, and the bottom plate body forms a blade portion between adjacent bottom plate notches.

[0010] According to this solution, the bottom plate is divided into multiple small parts (i.e., blade parts) by the bottom plate notch, and the multiple small parts are connected together at the bottom center. In this way, the large plane of the bottom plate is divided into multiple small planes, and the force is extended from a single large edge to multiple edges. Therefore, the force condition of the arc-shaped bottom position of the bottom plate can be changed during compounding, so that the bottom plate can be fully deformed, effectively reducing stress concentration and avoiding cracking of the bottom plate edge caused by stress concentration. Moreover, the bottom plate is a single piece, and can be fully formed at one time during compounding, and the process is simple and reliable.

[0011] Optionally, the bottom plate body has a bottom plate body projection on a horizontal plane, and the bottom plate notch has a bottom plate notch projection on the horizontal plane.

[0012] There is a first length L1 from the first edge of the bottom plate notch projection to the center of the bottom plate body projection, and a second length L2 from the first edge of the bottom plate notch projection to the second edge of the bottom plate notch projection, and the first edge is farther away from the center of the bottom plate body projection than the second edge.

[0013] Among them, 1 / 2≤L2 / L1≤1.

[0014] According to this solution, the bottom plate is completely divided, which effectively avoids cracking of the bottom plate edge during compounding, and the area of ​​the bottom center is moderate and the structural strength is good.

[0015] Optionally, the bottom plate notch has a first width D1 at the top edge, and the blade portion has a second width D2 at the top edge, wherein 1 / 20≤D1 / D2≤1.

[0016] According to this solution, the composite bottom area of ​​the bottom plate is moderate, ensuring the various functions of the composite material; and can effectively prevent the top edge of the blade from unilaterally warping and cracking.

[0017] Optionally, the plurality of bottom plate gaps have a first area S1, and the bottom plate body has a second area S2, wherein 0 <S1 / S2≤50%。

[0018] According to this solution, the heating efficiency and material utilization rate can be guaranteed, and the cracking of the bottom plate edge during compounding can be effectively avoided.

[0019] Optionally, an angle α between the top edge of the base plate body and a horizontal plane is 0<α<90°.

[0020] According to this solution, the bottom plate can be easily pressed onto the pot body by a press machine, thereby improving the composite efficiency of the pot inner body.

[0021] Optionally, the top edge of the bottom plate has a first vertical distance H1 from the bottom center position of the bottom plate in the height direction, and the top edge of the bottom plate has a horizontal distance L3 from the bottom center position of the bottom plate in the horizontal direction, wherein 0≤H1 / L3<10.

[0022] According to this solution, the curvature of the bottom plate is moderate, which can avoid cracking and warping of the bottom plate caused by excessive stress.

[0023] Optionally, the pot body includes a side wall portion and a transition portion, the side wall portion is connected to the bottom wall portion through the transition portion, and the top edge of the bottom plate has a second vertical distance H2 from the bottom edge of the transition portion in the height direction, wherein 1mm≤H2.

[0024] According to this solution, a moderate pressing distance can be achieved during compounding, and the bottom plate can be easily pressed onto the pot body by a press machine, thereby improving the compounding efficiency of the pot inner shell.

[0025] Optionally, the plurality of bottom plate notches are arranged in a circular array in the circumferential direction of the bottom plate, thereby making the overall structure of the bottom plate neat and easy to manufacture.

[0026] The total number of the plurality of bottom plate notches N is greater than or equal to 3. Thus, it is possible to avoid the bottom plate edges from squeezing each other during compounding, thereby effectively eliminating stress.

[0027] The bottom plate is embedded in the pot body by pressure bonding, thereby achieving good bonding effect of the pot body, more stable structure between the bottom plate and the pot body, and high molding efficiency.

[0028] The bottom center of the bottom plate body is provided with a center hole, so that the bottom plate can be positioned by means of the center hole during pressure lamination, which is conducive to the temperature sensing element at the bottom of the cooking utensil fitting the pot body for effective heat transfer, and also reduces material costs.

[0029] The top edge of the bottom plate forms a circular, elliptical or polygonal outline, and the shape of the bottom plate notch is a square, fan-shaped, polygonal or centrosymmetrical special shape. Thus, the overall structure of the bottom plate is neat and easy to manufacture.

[0030] According to another aspect of the present invention, a cooking utensil is provided, comprising the inner pot according to any one of the above aspects.

[0031] According to this solution, the large plane of the bottom plate is divided into multiple small planes, and the force is extended from a single large edge to multiple edges. Therefore, the force condition of the arc-shaped bottom position of the bottom plate can be changed during the composite process, so that the bottom plate can be fully deformed, effectively reducing stress concentration and avoiding cracking of the bottom plate edge caused by stress concentration. Moreover, the bottom plate is a single piece, and can be completely formed at one time during the composite process, and the process is simple and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The following drawings of the present invention are used as a part of the present invention for understanding the present invention. The drawings show the implementation of the present invention and its description, and are used to explain the principle of the present invention.

[0033] In the attached figure:

[0034] Figure 1 It is a cross-sectional view of a pot according to a preferred embodiment of the utility model, wherein the pot is in an inverted state;

[0035] Figure 2 for Figure 1 A top view of the pot shown;

[0036] Figure 3 Before compounding Figure 2 A perspective view of the bottom plate shown;

[0037] Figure 4 Before compounding Figure 1 A three-dimensional view of the pot body shown, wherein the pot body is in an inverted state;

[0038] Figure 5 for Figure 1 A top view of the pot shown, wherein the hatching shows the areas of different parts of the bottom plate;

[0039] Figure 6 for Figure 1 A partial view of the pot shown;

[0040] Fig. 7A -J is a front view of the base plate according to some different embodiments of the present invention.

[0041] Description of reference numerals:

[0042] 1 Pot

[0043] 10 Pot body

[0044] 11Bottom wall part

[0045] 12 Transition

[0046] 13 side wall

[0047] 14Curved surface

[0048] 15 Bottom plane

[0049] 20 base plate

[0050] 21 base plate body

[0051] 22 Bottom plate gap

[0052] 23 bottom center

[0053] 24 blades

[0054] 25 center hole DETAILED DESCRIPTION

[0055] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0056] In order to thoroughly understand the present invention, a detailed description will be provided in the following description. Obviously, the implementation of the present invention is not limited to the specific details familiar to those skilled in the art. The preferred embodiments of the present invention are described in detail below, but in addition to these detailed descriptions, the present invention may also have other embodiments.

[0057] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of the features, wholes, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or combinations thereof.

[0058] Ordinal numbers such as "first" and "second" cited in the present invention are merely identifiers and do not have any other meanings, such as a specific order, etc. Moreover, for example, the term "first component" itself does not imply the existence of the "second component", and the term "second component" itself does not imply the existence of the "first component".

[0059] It should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside" and similar expressions used in this document are for illustrative purposes only and are not limiting.

[0060] Now, exemplary embodiments according to the present utility model will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in a variety of different forms and should not be interpreted as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present utility model thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art.

[0061] The utility model provides a cooking utensil, which comprises a pot body and a cover body. The pot body has a cylindrical pot inner storage portion. The pot inner can be fixedly arranged at the pot inner storage portion, or can be freely placed in the pot inner storage portion or taken out from the pot inner storage portion to facilitate the cleaning of the pot inner. The pot inner is usually made of metal material and has a circular notch on the upper surface, which is used to hold materials to be heated, such as rice, soup, etc. The pot body includes a heating device for heating the pot inner, such as a heating plate, to heat the pot inner.

[0062] It can be understood that the cooking utensil according to the present invention can be an electric rice cooker, an electric pressure cooker or other cooking utensil, and the cooking utensil can have various functions such as cooking porridge in addition to the function of cooking rice.

[0063] The cover has a shape that is substantially the same as that of the pot body. The cover can be opened and closed on the pot body. Specifically, the cover is pivotally connected to the pot body via a pivot shaft and can freely pivot between a closed position and an open position relative to the pot body around a pivot axis where the pivot shaft is located, so as to facilitate closing and opening the pot body. When the cover is closed on the pot body, it covers the inner pot and forms a cooking space between the inner pot and the inner pot. The cover is usually also provided with a pot mouth sealing ring, which can be made of, for example, a rubber material, and is arranged between the cover and the inner pot to seal the cooking space when the cover is in the closed state.

[0064] Combine the following Figures 1 to 7J The utility model is described in detail.

[0065] like Figure 1 and Figure 2 As shown, the pot 1 includes a pot body 10 and a bottom plate 20. The pot body 10 has a receiving cavity for placing food. The bottom plate 20 is formed on the pot body 10 by a double bottom process, and the bottom plate 20 is arranged on the outside of the pot body 10 and covers at least the bottom of the pot body 10. In this embodiment, the pot 1 is an arc-bottom pot, that is, the bottom of the pot 1 is arc-shaped.

[0066] It should be noted that the directional terms used in this document to describe the various components and parts of the inner pot 1, such as "up", "down", "above", "below", "upward", "downward", "upward", "downward", "top", "bottom", etc., are relative to the inner pot 1 in a horizontally placed and upright state.

[0067] Specifically, the pot body 10 includes a bottom wall portion 11, a transition portion 12, and a side wall portion 13. The side wall portion 13 is connected to the bottom wall portion 11 through the transition portion 12, the bottom wall portion 11 is in an arc shape, and the bottom plate 20 covers at least the arc-shaped bottom wall portion 11 from the outside. For the illustrated embodiment, the bottom plate 20 covers the arc-shaped bottom wall portion 11, and does not cover the transition portion 12 and the side wall portion 13. The bottom plate 20 is spaced apart from the transition portion 12, that is, the top portion of the bottom wall portion 11 is not covered by the bottom plate 20.

[0068] Figure 3 and Figure 4 The structures of the bottom plate 20 and the pot body 10 before being composited are shown respectively, wherein the bottom plate 20 is in the shape of a flat plate, and the bottom wall portion 11 of the pot body 10 has an arc surface 14 and a bottom plane 15 located at the bottom center. The bottom plate 20 is embedded in the bottom wall portion 11 of the pot body 10 by pressure composite. In this scheme, the bottom plate 20 can be pressed to the bottom of the pot body 10 by a press machine, so that the two are effectively combined together to achieve various functions of the composite material.

[0069] It should be noted that the width of the transition portion 12 in this article is relatively small. Figure 4 As shown, the transition portion 12 is a ring-shaped portion in the middle of the pot body 10 in the height direction.

[0070] like Figure 2 and Figure 3 As shown, the bottom plate 20 includes a bottom plate body 21 and a plurality of bottom plate notches 22 opened in the bottom plate body 21. Each of the plurality of bottom plate notches 22 extends from the top edge of the bottom plate 20 toward the bottom center portion 23 of the bottom plate body 21. The bottom center portion 23 corresponds to the position of the bottom plane 15 of the pot body 10. The plurality of bottom plate notches 22 are arranged at intervals in the circumferential direction of the bottom plate 20. Optionally, the plurality of bottom plate notches 22 are arranged in a circular array in the circumferential direction of the bottom plate 20. With such an arrangement, the overall structure of the bottom plate 20 is neat and easy to manufacture. The bottom plate body 21 forms a blade portion 24 between adjacent bottom plate notches 22. The illustrated embodiment schematically shows six notches and a bottom center portion 23, thereby forming six blade portions 24.

[0071] In this embodiment, the bottom plate 20 is divided into a plurality of small parts (i.e., blade parts 24) by the bottom plate notch 22, and the plurality of small parts are connected together at the bottom center part 23. In this way, the large plane of the bottom plate 20 is divided into a plurality of small planes, and the force is extended from a single large edge to a plurality of edges. Thus, the force condition of the arc-shaped composite bottom position of the bottom plate 20 can be changed during composite, so that the bottom plate 20 can be fully deformed, effectively reducing stress concentration, and avoiding stress concentration causing cracking of the edge of the bottom plate 20. Moreover, the bottom plate 20 is a single piece, and can be completely formed at one time during composite bottoming, and the process is simple and reliable.

[0072] In order to eliminate stress in the bottom plate 20 and prevent cracking and deformation during compounding, the bottom plate notch 22 needs to satisfy a certain relationship.

[0073] Figure 5 The top view of the inner pot 1 is schematically shown, wherein different hatching lines are used to schematically represent the projection of various parts of the bottom plate 20 on the horizontal plane. Figure 5 As shown, the bottom plate body 21 has a bottom plate body 21 projection R1 on a horizontal plane, and the bottom plate notch 22 has a bottom plate notch 22 projection R2 on a horizontal plane. The first edge A1 or the outer edge projected from the bottom plate notch 22 has a first length L1 to the center of the bottom plate body 21 projection, and the second edge A2 or the inner edge projected from the first edge A1 of the bottom plate notch 22 has a second length L2. The first edge A1 is farther away from the center of the bottom plate body 21 projection than the second edge A2. The dimensional relationship of the length of the bottom plate notch 22 preferably satisfies 1 / 2≤L2 / L1≤1, for example, L2 / L1 can be 1 / 2, 2 / 3, 3 / 4, 4 / 5, 5 / 6, 6 / 7, 7 / 8, 1 and other suitable values. L2 / L1 is preferably 4 / 5. In this way, the bottom plate 20 is completely divided, effectively avoiding cracking of the edge of the bottom plate 20 during compounding, and the bottom center portion 23 has a moderate area and good structural strength. If the length of the bottom plate notch 22 is too small, the segmentation will be incomplete and the edge of the bottom plate 20 will still crack when it is reassembled; if the length is too large, the area of ​​the bottom center portion 23 will be too small, and there will be a risk of breakage.

[0074] The bottom plate notch 22 has a first width D1 at the top edge, and the blade portion 24 has a second width D2 at the top edge. The dimensional relationship of the width of the bottom plate notch 22 preferably satisfies 1 / 20≤D1 / D2≤1, for example, D1 / D2 can be 1 / 20, 1 / 10, 1 / 8, 1 / 5, 3 / 10, 2 / 5, 3 / 5, 4 / 5, 1, and other suitable values. D1 / D2 is preferably 1 / 8. With such a configuration, the composite bottom area of ​​the bottom plate 20 is moderate, ensuring the various functions of the composite material; and the top edge of the blade portion 24 can be effectively prevented from unilaterally warping and cracking. If the top edge of the bottom plate notch 22 accounts for too large a proportion, the composite bottom area will be small, and the composite bottom area will be insufficient; if the top edge of the bottom plate notch 22 accounts for too small a proportion, the top edge width of the blade portion 24 will be too large, and the stress cannot be effectively decomposed, and the blade portion 24 will be unilaterally warped and cracked.

[0075] Multiple bottom plate notches 22 have a first area S1, and the bottom plate body 21 has a second area S2. The area relationship between these two parts of the bottom plate 20 preferably satisfies 0 < S1 / S2 ≤ 50%, for example, S1 / S2 can be 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%. With such a setting, the heating efficiency and material utilization rate can be guaranteed, and cracking at the edge of the bottom plate 20 during lamination can be effectively avoided. If the area of the bottom plate notch 22 is too large, the material utilization rate will be low; if the area of the bottom plate notch 22 is too small, stress relief will be insufficient, and cracking is likely to occur during lamination.

[0076] In order to effectively laminate the bottom plate 20 and the pot body 10 without cracking and warping, the bottom plate 20 and the pot body 10 need to satisfy a certain relationship.

[0077] As Figure 6 shown, the angle α between the top edge of the bottom plate body 21 and the horizontal plane preferably satisfies 0 < α < 90°, for example, α can be 10°, 20°, 30°, 40°, 50°, 60°, 70°, 80° and other suitable angles. With such a setting, the bottom plate 20 can be easily pressed onto the pot body 10 by a press, improving the lamination efficiency of the pot liner 1. If the angle α is greater than 90°, the press will lose the force application point and cannot press and laminate the edge of the bottom plate 20 and the pot body 10.

[0078] There is a first vertical distance H1 between the top edge of the bottom plate 20 in the height direction and the bottom center position of the bottom plate 20, and a horizontal distance L3 between the top edge of the bottom plate 20 in the horizontal direction and the bottom center position of the bottom plate 20. The dimensional relationship of the bottom plate 20 preferably satisfies 0 ≤ H1 / L3 < 10, for example, H1 / L3 can be 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and other suitable values. With such a setting, the bending degree of the bottom plate 20 is relatively moderate, and cracking and warping of the bottom plate 20 caused by excessive stress can be avoided. If the first vertical distance H1 is too large, the bending degree of the bottom plate 20 will increase, the stress will increase, and the risk of cracking and warping will be too high.

[0079] There is a second vertical distance H2 between the top edge of the bottom plate 20 in the height direction and the bottom edge of the transition part 12. The distance relationship between the bottom plate 20 and the transition part 12 preferably satisfies 1mm ≤ H2, for example, H2 can be 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm and other suitable values. With such a setting, a moderate crimping distance can be obtained during lamination, and the bottom plate 20 can be easily pressed onto the pot body 10 by a press, improving the lamination efficiency of the pot liner 1. If the second vertical distance H2 is too small, the crimping distance will be too small during pressure lamination of the edge of the bottom plate 20, and effective lamination cannot be achieved, and the edge is prone to warping.

[0080] Return to refer to Figure 3The bottom center portion 23 of the bottom plate body 21 is provided with a center hole 25. The bottom plate 20 can be positioned by means of the center hole 25 during pressure compounding, which is conducive to the temperature sensing element at the bottom of the cooking utensil to fit the pot body 10 for effective heat transfer.

[0081] Fig. 7A -J schematically shows the construction of a series of base plates 20.

[0082] The top edge of the bottom plate 20 can form a circular, elliptical or polygonal profile. The shape of the bottom plate notch 22 can be square, fan-shaped, polygonal or centrally symmetrical. Of course, the shape of the edge profile of the bottom plate 20 and the shape of the bottom plate notch 22 are not limited and can be set arbitrarily. The edge of the bottom plate notch 22 can be a straight edge, a curved edge or a wavy edge, etc.

[0083] The total number N of the plurality of bottom plate notches 22 is ≥ 3, for example, the total number N can be a suitable value such as 3, 4, 5, 6, 7, 8, 9, 10, etc. If the total number N is too small, the edges of the bottom plate 20 will squeeze each other during compounding, and the stress elimination effect will not be achieved. The bottom center portion 23 of the bottom plate body 21 can be solid, or it can be provided with a center hole 25. The shape of the center hole 25 can be circular, elliptical, polygonal, etc. The shape of the edge contour of the bottom plate 20 can be the same as or different from the shape of the center hole 25. The width of the bottom plate notch 22 at the top edge (i.e., the first width D1 mentioned above) is greater than or equal to the width of the bottom plate notch 22 at the bottom edge.

[0084] In the scheme where the bottom center portion 23 is solid, illustratively, the bottom plate 20 is in an arc shape as a whole, the pot body 10 may be provided with a recessed portion sunken from the outer surface, and the arc-shaped bottom plate 20 is located in the recessed portion and fixed to the pot body 10 by means such as welding. The shape of the recessed portion of the pot body 10 in this scheme corresponds to the shape of the bottom plate 20.

[0085] In the scheme where the center hole 25 is formed in the bottom center portion 23, the bottom plate 20 is exemplarily in the shape of a flat plate (as described above), the outer surface of the pot body 10 is at least partially an arc surface (i.e., the arc surface 14), and the flat bottom plate 20 is positioned by means of the center hole 25 and embedded in the pot body 10 by pressure bonding. The pot body 10 in this scheme has a matching portion, which corresponds to the position and shape of the bottom plate notch 22.

[0086] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art of the present invention. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present invention. The features described herein in one embodiment may be applied to another embodiment alone or in combination with other features, unless the feature is not applicable or otherwise specified in the other embodiment.

[0087] The present invention has been described through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of example and explanation, and the present invention is not limited to the above-mentioned embodiments. According to the teachings of the present invention, more variations and modifications can be made, and these variations and modifications all fall within the scope of protection required by the present invention.

Claims

1. A pot, characterized in that: include: A pot body, the pot body comprising an arc-shaped bottom wall portion; as well as A bottom plate, the bottom plate is arranged outside the pot body and covers at least the bottom wall of the pot body, the bottom plate comprises a bottom plate body and a plurality of bottom plate notches opened in the bottom plate body, Wherein, each of the multiple bottom plate notches extends from the top edge of the bottom plate toward the bottom center portion of the bottom plate body, the multiple bottom plate notches are arranged at intervals in the circumferential direction of the bottom plate, and the bottom plate body forms a blade portion between adjacent bottom plate notches.

2. The pot according to claim 1, characterized in that: The bottom plate body has a bottom plate body projection on a horizontal plane, and the bottom plate notch has a bottom plate notch projection on the horizontal plane. There is a first length L1 from the first edge of the bottom plate notch projection to the center of the bottom plate body projection, and a second length L2 from the first edge of the bottom plate notch projection to the second edge of the bottom plate notch projection, and the first edge is farther away from the center of the bottom plate body projection than the second edge. Among them, 1 / 2≤L2 / L1≤1.

3. The inner pot of claim 1, characterized in that: The bottom plate notch has a first width D1 at the top edge, and the blade portion has a second width D2 at the top edge, wherein 1 / 20≤D1 / D2≤1.

4. The pot according to claim 1, characterized in that: The plurality of bottom plate gaps have a first area S1, and the bottom plate body has a second area S2, wherein 0 <S1 / S2≤50%。 5. The inner pot of claim 1, characterized in that: The angle α between the top edge of the bottom plate body and the horizontal plane is 0<α<90°.

6. The inner pot according to any one of claims 1 to 5, characterized in that: The top edge of the bottom plate has a first vertical distance H1 from the bottom center of the bottom plate in the height direction, and the top edge of the bottom plate has a horizontal distance L3 from the bottom center of the bottom plate in the horizontal direction, wherein 0≤H1 / L3<10.

7. The inner pot according to any one of claims 1 to 5, characterized in that: The pot body includes a side wall portion and a transition portion, the side wall portion is connected to the bottom wall portion through the transition portion, and a second vertical distance H2 is formed between the top edge of the bottom plate and the bottom edge of the transition portion in the height direction, wherein 1mm≤H2.

8. The inner pot according to any one of claims 1 to 5, characterized in that: The plurality of bottom plate notches are arranged in a circular array in the circumferential direction of the bottom plate; and / or The total number N of the plurality of bottom plate notches is ≥3.

9. The inner pot according to any one of claims 1 to 5, characterized in that: The bottom plate is embedded in the pot body by pressure bonding; and / or A central hole is formed at the bottom center of the base plate body; and / or The top edge of the bottom plate forms a circular, elliptical or polygonal outline, and the shape of the bottom plate notch is a square, fan-shaped, polygonal or centrosymmetrical special shape.

10. A cooking utensil, characterized in that: The invention comprises a pot core according to any one of claims 1 to 9.

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