Upper cover and cooking utensil with same

Abstract

The utility model provides an upper cover and a cooking utensil with the same, and the upper cover comprises a cover body which is provided with at least two exhaust pipes; the at least two pressure limiting valves are arranged on the at least two exhaust pipes in a one-to-one correspondence manner; the pushing piece is movably arranged on the cover body; the sealing piece is arranged above the pushing piece in a covering mode and connected with the cover body in a sealed mode, the pressure limiting valve is located above the sealing piece, the sealing piece is provided with at least two through holes, and the at least two exhaust pipes penetrate through the at least two through holes in a one-to-one correspondence mode and are matched with the hole walls of the through holes in a sealed mode; the pushing piece is provided with an initial position and a pushing position, when the pushing piece is located at the initial position, the pushing piece is separated from the sealing piece, and when the pushing piece is located at the pushing position, the pushing piece makes contact with the sealing piece and pushes the at least two pressure limiting valves at the same time through the sealing piece. Through the technical scheme provided by the invention, the problem that the cooking utensil in the related technology cannot control food overflow while increasing the exhaust speed can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of small household appliances, in particular to an upper cover and a cooking utensil having the same. Background Art

[0002] When cooking food in an electric pressure cooker, the inner cavity of the electric pressure cooker has high pressure and temperature, which can speed up the cooking of food and make the food softer and more glutinous.

[0003] In the related art, after cooking is completed, the electric pressure cooker needs to be vented. An exhaust button, an exhaust lever and a pressure limiting valve are arranged on the upper cover. When the exhaust button is pressed, the exhaust button lifts the pressure limiting valve through the exhaust push rod to achieve rapid exhaust.

[0004] However, with the above structure, in order to increase the exhaust speed, the diameter of the exhaust pipe needs to be increased, but if the diameter of the exhaust pipe is too large, food may easily overflow. Utility Model Content

[0005] The utility model provides an upper cover and a cooking utensil having the same, so as to solve the problem that the cooking utensil in the related art cannot control food overflow while improving the exhaust speed.

[0006] According to one aspect of the utility model, there is provided an upper cover, which includes: a cover body, provided with at least two exhaust pipes; at least two pressure-limiting valves, which are arranged on the at least two exhaust pipes in a one-to-one correspondence; a push piece, which is movably arranged on the cover body; a sealing member, which is arranged above the push piece and is sealed with the cover body, the pressure-limiting valve is located above the sealing member, the sealing member is provided with at least two through holes, at least two exhaust pipes are arranged in a one-to-one correspondence through the at least two through holes and are sealed with the hole walls of the through holes; wherein the push piece has an initial position and a push position, when the push piece is in the initial position, the push piece is separated from the sealing member, and when the push piece is in the push position, the push piece is in contact with the sealing member and simultaneously pushes the at least two pressure-limiting valves through the sealing member.

[0007] According to the technical solution of the utility model, the upper cover includes a cover body, at least two pressure-limiting valves, a push piece and a sealing member. When the cooking utensil needs to be exhausted after cooking is completed, the push piece is moved from the initial position to the push position, the push piece contacts the sealing member and simultaneously pushes at least two pressure-limiting valves through the sealing member, so that the two pressure-limiting valves are opened to exhaust at the same time, which can improve the exhaust speed of the cooking utensil. Since the two pressure-limiting valves are used to exhaust at the same time, there is no need to increase the diameter of a single exhaust pipe, and thus the problem of food overflow will not occur. In addition, since the sealing member cover is arranged above the push piece and is sealed with the cover body, at least two exhaust pipes are correspondingly arranged in at least two through holes of the sealing member and are sealed with the hole wall of the through hole, the two exhaust pipes can be sealed at the same time by the sealing member, and thus the sealing performance of the cooking utensil can be further improved on the premise of improving the exhaust speed and controlling food overflow.

[0008] Furthermore, the sealing member includes a sealing ring, the through hole is arranged on the sealing ring, the top wall of the sealing ring has an upwardly protruding push platform, when the push member is in the push position, the upper end of the push member extends into the push platform and pushes at least two pressure limiting valves simultaneously through the push platform. By arranging the push platform on the sealing ring, since the sealing ring is made of elastic material, it is easy to deform under force, so that the push member can use the push platform to push at least two pressure limiting valves.

[0009] Furthermore, the middle part of the pushing member is hinged to the cover body, the pushing platform is a long strip structure, and the extension direction of the pushing platform is perpendicular to the rotation axis of the pushing member, so that when the pushing member rotates, the upper end of the pushing member can move along the length direction of the pushing platform to smoothly push the pressure-limiting valve; and / or, two through holes are provided on the sealing ring, and the two through holes are respectively located on both sides of the pushing platform, so that the pushing member can push the two pressure-limiting valves at the same time through the pushing platform.

[0010] Furthermore, the sealing member further comprises a sealing seat, the sealing seat is fixedly connected to the cover body, the sealing ring is arranged on the sealing seat, and the sealing seat has a first avoidance hole arranged corresponding to the push platform and the through hole. By arranging the sealing seat, the sealing seat can be used to provide an assembly space for the sealing ring, and then the sealing ring can be fixed on the cover body. The first avoidance hole on the sealing seat can prevent the sealing seat from interfering with the exhaust pipe and the push member.

[0011] Furthermore, the upper cover also includes a valve seat, at least two pressure-limiting valves are arranged above the valve seat, the valve seat presses the sealing ring onto the sealing seat, and the valve seat has a second avoidance hole arranged corresponding to the first avoidance hole. The sealing ring is pressed onto the sealing seat by the valve seat, which has the advantage of a simple assembly structure and can improve assembly efficiency. The second avoidance hole of the valve seat can avoid the exhaust pipe and the push platform to avoid interference.

[0012] Furthermore, the sealing ring includes a bottom plate, an annular side plate and a top plate. The lower edge of the annular side plate is connected to the inner edge of the bottom plate, the upper edge of the annular side plate is connected to the outer edge of the top plate, the through hole and the push platform are both arranged on the top plate, the annular side plate is penetrated through the second avoidance hole, and the valve seat presses the bottom plate onto the sealing seat, so that the sealing ring can achieve a good sealing effect.

[0013] Furthermore, the lower surface of the bottom plate is provided with an annular protrusion extending along its circumference, and the upper surface of the sealing seat is provided with an annular groove, the annular protrusion extends into the annular groove, the lower surface of the bottom plate is in contact with the upper surface of the sealing seat, and the upper surface of the bottom plate is in contact with the lower surface of the valve seat, so that the sealing ring has a good fixing effect, thereby avoiding misalignment of the sealing ring, and thus improving the sealing reliability of the sealing ring; and / or, the longitudinal section of the annular side plate has a bending structure, and the sealing ring can be deformed through the bending structure to reduce the resistance of the pushing member when pushing.

[0014] Furthermore, the width of the push member is greater than the interval between two adjacent pressure-limiting valves. When the push member pushes the pressure-limiting valve, the push member can indirectly contact the two pressure-limiting valves through the push platform, which can improve the stability of the push member when pushing; and / or, the center distance between two adjacent pressure-limiting valves is between 30 mm and 50 mm, and the distance between two adjacent pressure-limiting valves is not too close, so that the problem of mutual interference between two adjacent pressure-limiting valves during opening will not occur. The distance between two adjacent pressure-limiting valves is also not too far, making the layout of the upper cover more compact.

[0015] Furthermore, the upper cover also includes a valve cover, which is arranged above at least two pressure limiting valves, and the valve cover is used to collect the gas discharged from two adjacent exhaust pipes together for discharge; and / or, the surface of the push member in contact with the seal is a plane or a curved surface. If the surface of the push member in contact with the seal is a plane, it is convenient to process the plane. If the surface of the push member in contact with the seal is a curved surface, the resistance of the push member when sliding relative to the seal is smaller, which is convenient for sliding.

[0016] According to another aspect of the utility model, a cooking utensil is provided, comprising: a pot body; an upper cover, which is openably and closably arranged on the top of the pot body, and the upper cover is the upper cover provided above. Therefore, the cooking utensil can also increase the exhaust speed and control the overflow of food, so that the pot rolls violently without overflowing, accelerates the absorption of moisture by food, and can improve the sealing performance of the cooking utensil. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1An exploded view of a cooking appliance provided by an embodiment of the utility model is shown;

[0019] Figure 2 A cross-sectional view of a cooking utensil provided by an embodiment of the utility model is shown;

[0020] Figure 3 Shows Figure 2 A partial enlarged view of the middle A;

[0021] Figure 4 Shows Figure 1 Schematic diagram of the structure of the middle sealing ring;

[0022] Figure 5 Shows Figure 1 Schematic diagram of the structure of the push piece in FIG.

[0023] The above drawings include the following reference numerals:

[0024] 10. Cover body; 11. Exhaust pipe; 20. Pressure limiting valve; 30. Push piece;

[0025] 40. sealing member; 41. through hole; 42. sealing ring; 421. push platform; 422. bottom plate; 423. annular side plate; 424. top plate; 425. annular protrusion; 43. sealing seat; 431. first avoidance hole; 432. annular groove;

[0026] 50. valve seat; 51. second avoidance hole;

[0027] 60. Valve cover; 70. Pot body. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0029] like Figures 1 to 5As shown, an embodiment of the utility model provides an upper cover, which includes a cover body 10, at least two pressure limiting valves 20, a push piece 30 and a sealing member 40. The cover body 10 is provided with at least two exhaust pipes 11, at least two pressure limiting valves 20 are arranged on the at least two exhaust pipes 11 in a one-to-one correspondence, and the push piece 30 is movably arranged on the cover body 10. The sealing member 40 is arranged above the push piece 30 and is sealed and connected with the cover body 10, the pressure limiting valve 20 is located above the sealing member 40, and the sealing member 40 is provided with at least two through holes 41, at least two exhaust pipes 11 are arranged in a one-to-one correspondence through the at least two through holes 41 and are sealed with the hole wall of the through hole 41. Among them, the push piece 30 has an initial position and a push position. When the push piece 30 is in the initial position, the push piece 30 is separated from the sealing member 40. When the push piece 30 is in the push position, the push piece 30 contacts the sealing member 40 and pushes at least two pressure limiting valves 20 simultaneously through the sealing member 40.

[0030] By using the upper cover provided in this embodiment, when the cooking utensil needs to be vented after cooking is completed, the push member 30 is moved from the initial position to the push position, the push member 30 contacts the sealing member 40 and pushes at least two pressure limiting valves 20 simultaneously through the sealing member 40, so that the two pressure limiting valves 20 are opened to vent at the same time, which can improve the exhaust speed of the cooking utensil. Since the two pressure limiting valves 20 are used to exhaust at the same time, there is no need to increase the diameter of the single exhaust pipe 11, and thus the problem of food overflow will not occur. In addition, since the sealing member 40 is covered above the push member 30 and is sealed and connected to the cover body 10, at least two exhaust pipes 11 are correspondingly penetrated through at least two through holes 41 of the sealing member 40 and are sealed with the hole wall of the through hole 41, the sealing member 40 can be used to seal the two exhaust pipes 11 at the same time, and thus the sealing performance of the cooking utensil can be further improved under the premise of improving the exhaust speed and controlling food overflow.

[0031] like Figure 4 As shown, the sealing member 40 includes a sealing ring 42, a through hole 41 is provided on the sealing ring 42, and the top wall of the sealing ring 42 has an upwardly protruding pushing platform 421. When the pushing member 30 is at the pushing position, the upper end of the pushing member 30 extends into the pushing platform 421 and pushes at least two pressure-limiting valves 20 simultaneously through the pushing platform 421. By providing the pushing platform 421 on the sealing ring 42, since the sealing ring 42 is made of an elastic material, it is easy to deform when subjected to force, so that the pushing member 30 can push at least two pressure-limiting valves 20 using the pushing platform 421.

[0032] In this embodiment, the middle part of the pushing member 30 is hinged to the cover body 10, and the pushing platform 421 is a long strip structure. The extension direction of the pushing platform 421 is perpendicular to the rotation axis of the pushing member 30, so that when the pushing member 30 rotates, the upper end of the pushing member 30 can move along the length direction of the pushing platform 421 to smoothly push the pressure limiting valve 20.

[0033] The upper cover in this embodiment is provided with two pressure limiting valves 20 .

[0034] Specifically, two through holes 41 are provided on the sealing ring 42 , and the two through holes 41 are respectively located on both sides of the pushing platform 421 , so that the pushing member 30 can push the two pressure-limiting valves 20 simultaneously through the pushing platform 421 .

[0035] like Figures 1 to 3 As shown, the sealing member 40 further includes a sealing seat 43, the sealing seat 43 is fixedly connected to the cover body 10, the sealing ring 42 is arranged on the sealing seat 43, and the sealing seat 43 has a first avoidance hole 431 arranged corresponding to the push platform 421 and the through hole 41. By providing the sealing seat 43, the sealing seat 43 can be used to provide an assembly space for the sealing ring 42, and then the sealing ring 42 is fixed on the cover body 10. The first avoidance hole 431 on the sealing seat 43 can prevent the sealing seat 43 from interfering with the exhaust pipe 11 and the push member 30.

[0036] like Figures 1 to 3 As shown, the upper cover also includes a valve seat 50, at least two pressure limiting valves 20 are arranged above the valve seat 50, the valve seat 50 presses the sealing ring 42 on the sealing seat 43, and the valve seat 50 has a second avoidance hole 51 arranged corresponding to the first avoidance hole 431. The sealing ring 42 is pressed on the sealing seat 43 by the valve seat 50, which has the advantage of a simple assembly structure and can improve assembly efficiency. The second avoidance hole 51 of the valve seat 50 can avoid the exhaust pipe 11 and the push platform 421 to avoid interference.

[0037] Specifically, the sealing ring 42 includes a bottom plate 422, an annular side plate 423 and a top plate 424. The lower edge of the annular side plate 423 is connected to the inner edge of the bottom plate 422, and the upper edge of the annular side plate 423 is connected to the outer edge of the top plate 424. The through hole 41 and the push platform 421 are both arranged on the top plate 424. The annular side plate 423 is penetrated through the second avoidance hole 51. The valve seat 50 presses the bottom plate 422 onto the sealing seat 43, and the sealing ring 42 can achieve a good sealing effect.

[0038] like Figure 3 As shown, the lower surface of the bottom plate 422 is provided with an annular protrusion 425 extending along its circumference, and the upper surface of the sealing seat 43 is provided with an annular groove 432. The annular protrusion 425 extends into the annular groove 432. The lower surface of the bottom plate 422 fits with the upper surface of the sealing seat 43, and the upper surface of the bottom plate 422 fits with the lower surface of the valve seat 50. The sealing ring 42 has a good fixing effect, which avoids the dislocation of the sealing ring 42, thereby improving the sealing reliability of the sealing ring 42.

[0039] The longitudinal section of the annular side plate 423 has a bending structure, and the sealing ring 42 can be deformed through the bending structure to reduce the resistance of the pushing member 30 when pushing.

[0040] In this embodiment, the width of the push member 30 is greater than the interval between two adjacent pressure limiting valves 20. When the push member 30 pushes the pressure limiting valve 20, the push member 30 can indirectly contact the two pressure limiting valves 20 through the push platform 421, which can improve the stability of the push member 30 when pushing.

[0041] The center distance between two adjacent pressure limiting valves 20 is between 30 mm and 50 mm. The distance between two adjacent pressure limiting valves 20 is not too close, so there will be no problem of interference between the two adjacent pressure limiting valves 20 during the opening process. The distance between two adjacent pressure limiting valves 20 is also not too far, making the layout of the upper cover more compact.

[0042] Specifically, the center distance between two adjacent pressure-limiting valves 20 may be 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, or any other value between 30 mm and 50 mm.

[0043] It should be noted that the center distance between two adjacent pressure limiting valves 20 refers to the distance between the center points of the two adjacent pressure limiting valves 20 .

[0044] like Figure 1 As shown, the upper cover further includes a valve cover 60, and the valve cover 60 is disposed above at least two pressure limiting valves 20. The valve cover 60 is used to collect the gases discharged from two adjacent exhaust pipes 11 together for discharge.

[0045] The surface of the push member 30 in contact with the seal 40 is a plane or a curved surface. If the surface of the push member 30 in contact with the seal 40 is a plane, it is convenient to process the plane. If the surface of the push member 30 in contact with the seal 40 is a curved surface, the resistance of the push member 30 when sliding relative to the seal 40 is smaller, and it is convenient to slide.

[0046] In this embodiment, the two pressure limiting valves 20 are arranged in the transverse direction. In other embodiments, the two pressure limiting valves 20 can be arranged in the longitudinal direction (the front-to-back direction of the upper cover).

[0047] One end of the pushing member 30 is pushed by a solenoid valve or other means to achieve rotation of the pushing member 30 , and the other end of the pushing member 30 is used to push the two pressure-limiting valves 20 .

[0048] like Figure 1 As shown, another embodiment of the utility model provides a cooking utensil, which includes a pot body 70 and an upper cover, which is openably and closably arranged above the pot body 70, and the upper cover is the upper cover provided above. Therefore, the cooking utensil can also increase the exhaust speed and control the overflow of food, so that the pot rolls violently without overflowing, accelerates the absorption of moisture by food, and can improve the sealing performance of the cooking utensil.

[0049] In this embodiment, the cooking appliance comprises an electric pressure cooker.

[0050] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0051] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0052] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0053] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0054] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0055] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cover, characterized in that: The upper cover comprises: The cover body (10) is provided with at least two exhaust pipes (11); At least two pressure limiting valves (20) are arranged on at least two exhaust pipes (11) in a one-to-one correspondence; A push member (30) movably disposed on the cover body (10); A sealing member (40) is disposed above the push member (30) and is sealed and connected to the cover body (10); the pressure limiting valve (20) is located above the sealing member (40); the sealing member (40) is provided with at least two through holes (41); at least two exhaust pipes (11) are correspondingly arranged in at least two through holes (41) and are sealed and matched with the hole walls of the through holes (41); The pushing member (30) has an initial position and a pushing position. When the pushing member (30) is located at the initial position, the pushing member (30) is separated from the sealing member (40). When the pushing member (30) is located at the pushing position, the pushing member (30) is in contact with the sealing member (40) and simultaneously pushes at least two of the pressure-limiting valves (20) through the sealing member (40).

2. The upper cover according to claim 1, characterized in that: The sealing member (40) comprises a sealing ring (42), the through hole (41) is arranged on the sealing ring (42), and the top wall of the sealing ring (42) has an upwardly protruding pushing platform (421). When the pushing member (30) is located at the pushing position, the upper end of the pushing member (30) extends into the pushing platform (421) and simultaneously pushes at least two of the pressure-limiting valves (20) through the pushing platform (421).

3. The upper cover according to claim 2, characterized in that: The middle part of the pushing member (30) is hinged to the cover body (10), the pushing platform (421) is a long strip structure, and the extension direction of the pushing platform (421) is perpendicular to the rotation axis of the pushing member (30); and / or, The sealing ring (42) is provided with two through holes (41), and the two through holes (41) are respectively located on two sides of the pushing platform (421).

4. The upper cover according to claim 2, characterized in that: The sealing member (40) further comprises a sealing seat (43), wherein the sealing seat (43) is fixedly connected to the cover body (10), the sealing ring (42) is arranged on the sealing seat (43), and the sealing seat (43) has a first avoidance hole (431) arranged corresponding to the pushing platform (421) and the through hole (41).

5. The upper cover according to claim 4, characterized in that: The upper cover also includes a valve seat (50), at least two of the pressure-limiting valves (20) are arranged above the valve seat (50), the valve seat (50) presses the sealing ring (42) onto the sealing seat (43), and the valve seat (50) has a second avoidance hole (51) arranged corresponding to the first avoidance hole (431).

6. The upper cover according to claim 5, characterized in that: The sealing ring (42) includes a bottom plate (422), an annular side plate (423) and a top plate (424); the bottom edge of the annular side plate (423) is connected to the inner edge of the bottom plate (422); the top edge of the annular side plate (423) is connected to the outer edge of the top plate (424); the through hole (41) and the pushing platform (421) are both arranged on the top plate (424); the annular side plate (423) is penetrated through the second avoidance hole (51); and the valve seat (50) presses the bottom plate (422) onto the sealing seat (43).

7. The upper cover according to claim 6, characterized in that: The lower surface of the bottom plate (422) is provided with an annular protrusion (425) extending along its circumference, the upper surface of the sealing seat (43) is provided with an annular groove (432), the annular protrusion (425) extends into the annular groove (432), the lower surface of the bottom plate (422) is in contact with the upper surface of the sealing seat (43), and the upper surface of the bottom plate (422) is in contact with the lower surface of the valve seat (50); and / or, The longitudinal section of the annular side plate (423) has a bent structure.

8. The upper cover according to any one of claims 1 to 7, characterized in that: The width of the push member (30) is greater than the interval between two adjacent pressure limiting valves (20); and / or, The center distance between two adjacent pressure limiting valves (20) is between 30 mm and 50 mm.

9. The upper cover according to any one of claims 1 to 7, characterized in that: The upper cover further comprises a valve cover (60), wherein the valve cover (60) is disposed above at least two of the pressure limiting valves (20); and / or, The surface of the pushing member (30) in contact with the sealing member (40) is a plane or a curved surface.

10. A cooking utensil, characterized in that: The cooking appliance comprises: Pot body (70); An upper cover is openably and closably arranged on the top of the pot body (70), and the upper cover is the upper cover according to any one of claims 1 to 9.

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