Middle ring of cooking utensil and cooking utensil

Abstract

The middle ring comprises a top wall and a side wall, the top wall is provided with a hinged end and a locking end which are oppositely arranged, the locking end is provided with a fixing buckle used for being locked with a pot cover, the side wall is provided with an installation opening corresponding to the locking end, the locking end is further provided with a first reinforcing groove, and the first reinforcing groove is provided with a second reinforcing groove. The first reinforcing grooves are located in the two sides of the fixing buckle in the circumferential direction of the top wall. In the injection molding process, the first reinforcing groove corresponds to an entity in the mold, then the entity part of the mold plays a supporting role in the area, the structural strength of the locking end of the top wall in the forming process is improved, the locking end is kept stable when the fixed buckle is machined, and the reliability and stability of the whole machine assembling gap are guaranteed. Meanwhile, after forming, due to the existence of the first reinforcing grooves, the locking end is bent on the two sides of the fixing buckle, the bent structure can also improve the structural strength, and then it is guaranteed that the locking end keeps stable in structure in the using process.

Description

Technical Field

[0001] The utility model belongs to the technical field of kitchen appliances, and particularly relates to a middle ring of a cooking utensil and the cooking utensil. Background Art

[0002] The pot body of the cooking utensil includes an outer cover, a base and a middle ring. There are generally two structures of the middle ring. One type of middle ring includes a panel and multiple downward-extending fixing columns for fixing to the base. The panel is a thin plate structure, located above the outer cover, and constitutes the top surface of the pot body.

[0003] Another type of center ring includes a top wall and side walls. The top wall forms the top surface of the pot, while the side walls extend downward to provide outward support for the outer cover. However, the front of the pot is usually equipped with operating components such as the lid opening button, so a large opening in the side wall corresponding to the front of the operating components is required. This results in the front side of the top of the center ring being a weak cantilever structure. For the center ring of the first structural type, the panel is already a thin plate, so the front side is also a weak cantilever structure.

[0004] At the same time, for models where the lid is pivotally connected to the pot body, a buckle is also provided on the front side of the top surface of the center ring to lock with the lid. However, due to the weak structure of the front side of the center ring, it is prone to deformation during production, which in turn causes deformation of the buckle, affecting the assembly clearance of the entire machine and resulting in unstable assembly clearance. In addition, when the lid and the front side of the center ring are locked together, the lid exerts an upward pull on the buckle, which is prone to deformation and concentrates the force on the front side of the center ring, also increasing the risk of deformation or damage to the front side of the center ring.

[0005] Although some cooking appliances add reinforcement components on the front side of the center ring to improve the structural strength of the center ring, it also increases the structural complexity of the center ring. Moreover, the reinforcement components are mostly made of metal, which is heavy and large in size. Therefore, it inevitably increases the weight of the center ring, which in turn increases the weight of the entire machine, which is not conducive to the development trend of miniaturization and thinness. Utility Model Content

[0006] The utility model provides a center ring of a cooking utensil and a cooking utensil, so as to solve the problem that the structural strength of the front side of the center ring is low, the front side of the center ring is easily deformed during the production and processing of the snap structure, which affects the assembly clearance of the entire machine, and the addition of reinforcement components causes the weight of the center ring to increase.

[0007] The technical solution adopted by this utility model is:

[0008] A middle ring of a cooking utensil includes a top wall and side walls. The top wall has a hinged end and a locking end arranged opposite to each other. The locking end is provided with a fixing buckle for locking with a pot cover. The side wall is provided with a mounting opening corresponding to the locking end. The locking end is also provided with a first reinforcement groove. The first reinforcement groove is located on both sides of the fixing buckle along the circumference of the top wall.

[0009] The middle ring of the cooking utensil of the present invention also has the following additional technical features:

[0010] The fixing buckle has a side end surface facing the first reinforcement groove. The cross section of the first reinforcement groove has at least one edge, and the edge is perpendicular to the side end surface.

[0011] The side wall is provided with a second reinforcement groove, and the second reinforcement groove is located between the installation opening and the fixing buckle.

[0012] The second reinforcement groove extends radially inwardly of the middle ring to be located below the fixing buckle.

[0013] The second reinforcement groove has a dividing rib inside, and the dividing rib divides the second reinforcement groove into a plurality of reinforcement chambers arranged along the circumference of the middle ring.

[0014] The first reinforcement groove has a first notch, the second reinforcement groove has a second notch, and the direction of the first notch is perpendicular to the direction of the second notch.

[0015] The side wall has an accommodating area above the installation opening, and the height of the accommodating area is not less than 8 mm.

[0016] The utility model also discloses a cooking utensil, comprising a pot body and a pot cover, wherein the pot body comprises an outer cover, a base located below the outer cover, and the above-mentioned middle ring, the outer cover surrounds the outer peripheral side of the side wall, and the side wall extends downward from the top wall to be fixedly connected to the base.

[0017] The pot body further comprises a decorative piece located above the middle ring, and the decorative piece covers the top wall to hide the first reinforcement groove.

[0018] The edge of the decorative piece is provided with a fixed flange, and the outer cover and the middle ring clamp and fix the fixed flange.

[0019] Due to the adoption of the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0020] 1. In the present invention, the center ring includes a top wall and side walls. The top wall forms the upper surface of the pot body, while the side walls extend downward to lie on the inner side of the outer cover, providing outward support for the outer cover to resist inward deformation of the outer cover, ensure structural stability, and reduce the risk of deformation when the device is dropped or impacted. The top wall is provided with a fixing clip at the locking end for locking with the pot lid, and first reinforcing grooves are provided on both sides of the fixing clip. It is understood that the center ring is formed by injection molding. During the injection molding process, the solid portion of the center ring corresponds to the cavity in the mold, while the solid portion of the mold has no physical structure after molding. Therefore, during the injection molding process, the first reinforcing groove corresponds to the solid portion in the mold. The support provided by the solid portion of the mold to this area improves the structural strength of the locking end of the top wall during the molding process. Furthermore, during the processing of the fixing clip, the locking end remains stable, ensuring the reliability and stability of the assembly clearance of the entire device. At the same time, after forming, due to the presence of the first reinforcing groove, the locking end is bent on both sides of the fixed buckle. Compared with the thin plate structure with a large plane, the bent structure can also improve the structural strength, thereby ensuring that during use, when the fixed buckle and the pot lid are locked and subjected to force, the locking end maintains structural stability.

[0021] In the utility model, the characteristics of the middle ring molding method are utilized, and the mold used in the injection molding process is cleverly used to support the locking end, thereby improving the structural strength of the locking end during the processing and manufacturing process. After processing and molding, the mold is removed from the middle ring and will not remain inside the middle ring. While improving the structural strength of the locking end, it also ensures the lightweight design of the middle ring. There is no need to add additional structural reinforcement components, which simplifies the structure of the middle ring and reduces the weight of the middle ring.

[0022] 2. As a preferred embodiment of the present invention, the fixing buckle has a side surface facing the first reinforcing groove. The cross-section of the first reinforcing groove has at least one edge, which is perpendicular to the side surface. The first reinforcing groove is recessed downward from the top wall, so that the groove wall of the first reinforcing groove forms a reinforcing rib on the underside of the top wall, which serves to strengthen the structure of the locking end. The edge is perpendicular to the side surface, so that at least one reinforcing rib is perpendicular to the side surface, thereby enhancing the reinforcing effect of the edge on the fixing buckle. The "cross-shaped" structure formed by the two is more stable and can withstand greater forces.

[0023] 3. As a preferred embodiment of the present invention, a second reinforcing groove is provided on the side wall, located between the mounting opening and the fixing buckle. The first reinforcing groove is located on the top wall, and the second reinforcing groove is located on the side wall. The groove walls of the first and second reinforcing grooves form reinforcing ribs, so that the top wall forms multiple crisscrossing reinforcing ribs below the original cantilever structure of the locking end, thereby greatly improving the structural strength of the locking end and reducing the possibility of deformation. While the staggered reinforcement ribs also enable the locking end to resist forces acting in all directions, further improving structural stability.

[0024] 4. As a preferred embodiment of the present invention, the first reinforcement groove has a first notch, and the second reinforcement groove has a second notch, and the direction of the first notch is perpendicular to the direction of the second notch. During the injection molding process, a solid mold is placed in the first reinforcement groove and the second reinforcement groove. After the injection molding process is completed, the mold needs to be removed from the first reinforcement groove and the second reinforcement groove. The two notches are arranged vertically. On the one hand, it is convenient to remove the molds inside each without interference. On the other hand, when removing the mold from the first reinforcement groove and the second reinforcement groove, the force directions are perpendicular to each other, so that the force on the locking end is more stable, avoiding the application of a single-direction force on the locking end during the process of removing the mold, which causes the locking end to deform.

[0025] 5. The utility model also discloses a cooking utensil comprising a pot body and a decorative member located above the central ring, the decorative member covering the top wall to conceal the first reinforcing groove. The decorative member covers the top wall, thereby enhancing the aesthetics of the pot body's top surface and shielding the first reinforcing groove from the outside, thereby ensuring the pot body's aesthetics while preventing the first reinforcing groove from being exposed and causing dirt to accumulate inside, thereby ensuring a clean top surface of the pot body. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described herein are used to provide a further understanding of the present invention and constitute a part 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 of the present invention. In the drawings:

[0027] Figure 1 This is a schematic structural diagram of the middle ring in one embodiment of the present invention;

[0028] Figure 2 for Figure 1 An enlarged view of area A in the middle, where the arrow indicates the ejection direction of the mold;

[0029] Figure 3 for Figure 1 A partial cross-sectional view of the middle ring;

[0030] Figure 4for Figure 3 Magnified view of area B in the middle;

[0031] Figure 5 This is a structural explosion view of a pot body in one embodiment of the present invention.

[0032] in:

[0033] 1 middle ring; 11 top wall; 12 side wall; 13 locking end; 131 fixing buckle; 132 side end surface; 14 connecting end; 15 accommodating area; 16 installation opening;

[0034] 2 first reinforcing groove; 21 edge; 22 straight edge; 23 first notch;

[0035] 3 second reinforcing groove; 31 second notch; 32 separation rib;

[0036] 4 outer cover;

[0037] 5 decorative parts; 51 fixed flange. DETAILED DESCRIPTION

[0038] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0039] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0040] In addition, in the description of the present invention, it should be understood that the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0041] In this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0042] In the present invention, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "implementation method", "embodiment", "one embodiment", "example" or "specific example" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0043] like Figure 1 、 Figure 2 As shown, a middle ring 1 of a cooking utensil includes a top wall 11 and a side wall 12. The top wall 11 has a hinged end and a locking end 13 arranged opposite to each other. The locking end 13 is provided with a fixing buckle 131 for locking with the pot cover. The side wall 12 is provided with a mounting port 16 corresponding to the locking end 13. The locking end 13 is also provided with a first reinforcement groove 2. The first reinforcement groove 2 is located on both sides of the fixing buckle 131 along the circumference of the top wall 11.

[0044] It can be understood that the locking end 13 is provided with a fixing buckle 131 for locking with the pot lid, and the side wall 12 is provided with a mounting port 16 corresponding to the locking end 13 for installing a lid opening button assembly, so that the user can loosen the fixing buckle 131 from the pot lid by operating the lid opening button assembly, thereby unlocking the pot lid and the pot body.

[0045] In the present invention, the center ring 1 comprises a top wall 11 and side walls 12. The top wall 11 forms the upper surface of the pot body, while the side walls 12 extend downward to rest on the inner side of the outer cover 4, providing outward support to the outer cover 4. This prevents inward deformation of the outer cover 4, ensures structural stability, and reduces the risk of deformation when the device is dropped or impacted. The top wall 11 is provided with a fixing clip 131 at its locking end 13 for locking with the pot lid. First reinforcing grooves 2 are provided on either side of the fixing clip 131. It will be understood that the center ring 1 is formed by injection molding. During the injection molding process, the solid portion of the center ring 1 corresponds to the cavity in the mold, while the solid portion of the mold has no physical structure after molding. Therefore, the first reinforcing groove 2 corresponds to the solid portion of the mold during the injection molding process. The support provided by the solid portion of the mold enhances the structural strength of the locking end 13 of the top wall 11 during the molding process. Furthermore, during the processing of the fixing clip 131, the locking end 13 remains stable, ensuring the reliability and stability of the assembly clearance of the entire device. At the same time, after forming, due to the presence of the first reinforcing groove 2, the locking end 13 is bent on both sides of the fixing buckle 131. Compared with the thin plate structure with a large plane, the bent structure can also improve the structural strength, thereby ensuring that during use, when the fixing buckle 131 is locked with the pot cover and subjected to force, the locking end 13 maintains structural stability.

[0046] In the present invention, the characteristics of the molding method of the middle ring 1 are utilized, and the mold used in the injection molding process is cleverly used to support the locking end 13, thereby improving the structural strength of the locking end 13 during the processing and manufacturing process. After processing and molding, the mold is removed from the middle ring 1 and will not remain inside the middle ring 1. While improving the structural strength of the locking end 13, it also ensures the lightweight design of the middle ring 1. There is no need to add additional structural reinforcement components, which simplifies the structure of the middle ring 1 and reduces the weight of the middle ring 1.

[0047] As a preferred embodiment of the present invention, Figure 2 As shown, the fixing buckle 131 has a side end surface 132 facing the first reinforcement groove 2 , and the cross section of the first reinforcement groove 2 has at least one edge 21 , which is perpendicular to the side end surface 132 .

[0048] The first reinforcing groove 2 is recessed downward from the top wall 11, so that the groove wall of the first reinforcing groove 2 forms a reinforcing rib on the lower side of the top wall 11, which plays a structural reinforcement role on the locking end 13. The edge 21 is arranged perpendicular to the side end face 132, so that at least one reinforcing rib is perpendicular to the side end face 132, thereby improving the reinforcing effect of the edge 21 on the fixing buckle 131. The "cross-shaped" structure formed by the two is more stable and can withstand greater forces.

[0049] Preferably, if Figure 2As shown, the cross section of the first reinforcing groove 2 is a quadrilateral, having two opposing edges 21 and two opposing straight sides 22, wherein the two edges 21 are perpendicular to the side end surface 132, and the two straight sides 22 are parallel to the side end surface 132. Of course, the first reinforcing groove 2 can also have other shapes, such as triangles, polygons, or irregular shapes, etc., which are not limited here.

[0050] It should be noted that the present invention does not limit the number of the first reinforcement grooves 2. Preferably, Figure 2 As shown, there are four first reinforcing grooves 2, two of which are located on the same side of the fixing buckle 131, and the other two are located on the other side of the fixing buckle 131. Each first reinforcing groove 2 is distributed along the circumference of the top wall 11. Of course, the number of first reinforcing grooves 2 can also be other numbers, such as two, that is, one first reinforcing groove 2 is provided on each side of the fixing buckle 131, or a greater number. Alternatively, the number of first reinforcing grooves 2 on each side of the fixing buckle 131 can also be different, for example, one first reinforcing groove 2 on one side of the fixing buckle 131 and two first reinforcing grooves 2 on the other side, which is not limited here.

[0051] In a preferred embodiment, Figures 1 to 4 As shown, the side wall 12 is provided with a second reinforcement groove 3 , and the second reinforcement groove 3 is located between the installation opening 16 and the fixing buckle 131 .

[0052] The first reinforcing groove 2 is located on the top wall 11, and the second reinforcing groove 3 is located on the side wall 12. The groove walls of the first reinforcing groove 2 and the second reinforcing groove 3 form reinforcing ribs, so that the top wall 11 forms multiple criss-cross reinforcing ribs below the original cantilever structure of the locking end 13, thereby greatly improving the structural strength of the locking end 13 and reducing the possibility of deformation. At the same time, the staggered reinforcing ribs also enable the locking end 13 to resist forces in all directions, further improving the structural stability.

[0053] Specifically, such as Figure 2 、 Figure 3 、 Figure 4 As shown, there is an accommodating area 15 between the mounting opening 16 and the fixing buckle 131, and the second reinforcing groove 3 is disposed in the accommodating area 15. The second reinforcing groove 3 can not only provide structural reinforcement for the fixing buckle 131 above, but also for the mounting opening 16 below, achieving multiple uses and saving costs.

[0054] Furthermore, if Figure 4 As shown, the second reinforcement groove 3 extends radially inwardly of the middle ring 1 to be located below the fixing buckle 131 .

[0055] The second reinforcing groove 3 extends to directly below the fixing buckle 131, so that during the injection molding process, the mold located inside the second reinforcing groove 3 is located directly below the fixing buckle 131, and the ribs can directly support the area where the fixing buckle 131 is located, thereby better resisting the deformation of the fixing buckle 131 during the processing and ensuring the structural stability of the locking end 13.

[0056] Preferably, if Figure 2 、 Figure 4 As shown, the second reinforcement groove 3 has a separation rib 32 inside, and the separation rib 32 divides the second reinforcement groove 3 into a plurality of reinforcement chambers arranged along the circumference of the middle ring 1.

[0057] The separating rib 32 is inside the second reinforcing groove 3 and is connected to the inner wall of the second reinforcing groove 3, and together with the inner wall of the second reinforcing groove 3 constitutes an staggered reinforcing rib structure. The staggered rib positions greatly improve the strength of the second reinforcing groove 3, thereby improving the reinforcement effect of the fixing buckle 131 area.

[0058] like Figure 2 As shown, the separation ribs 32 are arranged vertically and spaced apart in the transverse direction to divide the second reinforcement groove 3 into a plurality of transversely arranged reinforcement chambers.

[0059] In a preferred embodiment of this embodiment, as Figure 2 As shown, the first reinforcement groove 2 has a first notch 23 , and the second reinforcement groove 3 has a second notch 31 . The orientation of the first notch 23 is perpendicular to the orientation of the second notch 31 .

[0060] During the injection molding process, a physical mold is placed in the first and second reinforcing grooves 2 and 3. After the injection molding process is completed, the mold needs to be removed from the first and second reinforcing grooves 2 and 3. The two notches are arranged perpendicularly. On the one hand, this facilitates the removal of the mold inside each without interference. On the other hand, when removing the mold from the first and second reinforcing grooves 2 and 3, the forces applied are perpendicular to each other, making the force applied to the locking end 13 more stable and preventing deformation of the locking end 13 due to a single force applied to the locking end 13 during the mold removal process.

[0061] Specifically, such as Figure 2 As shown, the first notch 23 faces vertically upward, and the second notch 31 faces horizontally toward the outside of the middle ring 1.

[0062] Preferably, if Figure 4 As shown, the side wall 12 has an accommodating area 15 above the installation opening 16 , and a height H of the accommodating area 15 is not less than 8 mm.

[0063] The accommodating area 15 not only leaves space for the setting of the second reinforcing groove 3, but also directly affects the depth of the first reinforcing groove 2. The height H of the accommodating area 15 is not less than 8 mm, so that the depth of the first reinforcing groove 2 is guaranteed. During the injection molding process, the mold volume inside the first reinforcing groove 2 is large enough, and the supporting effect on the locking end 13 is better. After processing and molding, the height dimension of the groove wall of the first reinforcing groove 2 is also larger, thereby providing better support force and structural reinforcement for the fixing buckle 131 area.

[0064] The utility model also discloses a cooking utensil, including a pot body and a pot cover, the pot body including an outer cover 4, a base located below the outer cover 4, and the above-mentioned middle ring 1, the outer cover 4 surrounds the outer peripheral side of the side wall 12, and the side wall 12 extends downward from the top wall 11 to be fixedly connected to the base.

[0065] The side wall 12 of the middle ring 1 extends downward from the top wall 11 to the bottom and is fixedly connected to the base, so that the outer cover 4 always has the side wall 12 on the inner side in the height direction, thereby providing support for the outer cover 4. When the outer cover 4 tends to sag inward due to external force, the side wall 12 can provide support for the outer cover 4, thereby resisting deformation of the outer cover 4, avoiding appearance defects of the outer cover 4, and improving the structural stability of the outer cover 4.

[0066] Preferably, if Figure 5 As shown, the pot body further includes a decorative piece 5 located above the middle ring 1 , and the decorative piece 5 covers the top wall 11 to hide the first reinforcement groove 2 .

[0067] The decorative part 5 covers the top wall 11, which improves the beauty of the top surface of the pot body. At the same time, it can also block the first reinforced groove 2, so that the user cannot see the first reinforced groove 2 from the outside. While ensuring the beauty of the pot body, it also avoids the first reinforced groove 2 from being exposed and accumulating dirt inside, ensuring the cleanliness of the top surface of the pot body.

[0068] Furthermore, if Figure 5 As shown, the edge of the decorative member 5 is provided with a fixed flange 51 , and the outer cover 4 and the middle ring 1 clamp and fix the fixed flange 51 .

[0069] The outer cover 4 and the middle ring 1 clamp and fix the decorative member 5, making the assembly of the decorative member 5 simpler and more convenient, eliminating the use of fasteners such as screws, and saving costs. Preferably, the top wall 11 abuts against the lower surface of the decorative member 5 to provide upward support for the decorative member 5 and prevent the decorative member 5 from sinking downward.

[0070] Specifically, the fixed flange 51 can be folded downward, the outer cover 4 is located on the outside of the fixed flange 51, and the middle ring 1 is located on the inside of the fixed flange 51, and the two clamp the fixed flange 51 from the left and right sides of the fixed flange 51. Figure 5As shown, the fixed flange 51 is first folded downward and then folded outward in the transverse direction. The outer cover 4 and the middle ring 1 clamp the fixed flange 51 from the upper and lower sides of the fixed flange 51, which is not limited here.

[0071] Anything not described in this utility model can be achieved by adopting or drawing on existing technologies.

[0072] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on the differences from other embodiments.

[0073] The above description is merely an embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of the claims of the present invention.

Claims

1. A middle ring of a cooking utensil, comprising a top wall and side walls, characterized in that: The top wall has a hinged end and a locking end arranged opposite to each other, the locking end is provided with a fixing buckle for locking with the pot cover, the side wall is provided with a mounting port corresponding to the locking end, and the locking end is also provided with a first reinforcement groove, which is located on both sides of the fixing buckle along the circumference of the top wall.

2. The middle ring of the cooking utensil according to claim 1, characterized in that: The fixing buckle has a side end surface facing the first reinforcement groove. The cross section of the first reinforcement groove has at least one edge, and the edge is perpendicular to the side end surface.

3. The middle ring of the cooking utensil according to claim 1, characterized in that: The side wall is provided with a second reinforcement groove, and the second reinforcement groove is located between the installation opening and the fixing buckle.

4. The middle ring of the cooking utensil according to claim 3, characterized in that: The second reinforcement groove extends radially inwardly of the middle ring to be located below the fixing buckle.

5. The middle ring of the cooking utensil according to claim 3, characterized in that: The second reinforcement groove has a dividing rib inside, and the dividing rib divides the second reinforcement groove into a plurality of reinforcement chambers arranged along the circumference of the middle ring.

6. The middle ring of the cooking utensil according to claim 3, characterized in that: The first reinforcement groove has a first notch, and the second reinforcement groove has a second notch. The direction of the first notch is perpendicular to the direction of the second notch.

7. The middle ring of the cooking utensil according to claim 1, characterized in that: The side wall has an accommodating area above the installation opening, and the height of the accommodating area is not less than 8 mm.

8. A cooking utensil comprising a pot body and a pot cover, characterized in that: The pot body includes an outer cover, a base located below the outer cover, and the middle ring described in any one of claims 1-7, the outer cover surrounds the outer peripheral side of the side wall, and the side wall extends downward from the top wall to be fixedly connected to the base.

9. The cooking appliance according to claim 8, characterized in that The pot body further includes a decorative piece located above the middle ring, and the decorative piece covers the top wall to shield the first reinforcement groove.

10. The cooking appliance according to claim 9, characterized in that The edge of the decorative piece is provided with a fixed flange, and the outer cover and the middle ring clamp and fix the fixed flange.

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