Cooking appliance

Abstract

The utility model discloses a cooking utensil, including base and utensil, the base includes casing, reflector and heating disc, the heating disc is installed on the reflector, the utensil is placed on the heating disc, the casing includes bottom cover, heat insulating ring and the lateral shell of being arranged between bottom cover and heat insulating ring, the heat insulating ring surrounds and installs the mouth, the reflector blocks the mouth, be equipped with the heat insulating piece of upward support heat insulating ring in the casing, the heat insulating piece has the first end of radial close reflector and the second end of radial away from reflector, the heat insulating ring has the connecting portion of hiding under reflector, the connecting portion is connected with the first end, the bottom cover supports the second end and is connected with the second end. The utility model discloses a cooking utensil not only can promote the appearance of casing, can also reduce the heat transfer to bottom cover, to reduce the requirement to the temperature resistance of bottom cover.

Description

Technical Field

[0001] This utility model relates to the field of kitchen appliance technology, and in particular to cooking utensils. Background Technology

[0002] Existing cooking appliances, such as electric hot pots, include a base and a pot. The base includes a shell, a reflector, and a heating plate. The reflector is mounted on top of the shell, and the heating plate is mounted on the reflector. The pot is placed on the heating plate during use so that the heating plate heats the pot. The shell includes a bottom cover, a heat insulation ring, and a side shell located between the bottom cover and the heat insulation ring. The heat insulation ring forms a mounting opening, which is covered by the reflector. The inner side of the existing heat insulation ring has a downward-extending screw post, while the bottom wall of the bottom cover has an upward-extending support post. The support post supports the screw post, and the screw passes through the support post and connects to the screw post to fix the heat insulation ring to the bottom cover. The side shell is fixed between the bottom cover and the heat insulation ring by a snap-fit. After tightening the screw, the heat insulation ring, side shell, and bottom cover can be completely fixed.

[0003] The existing heat insulation ring has screw posts positioned close to its edge. Due to molding issues, the bottom of the heat insulation ring at the screw post is relatively thick. For conventional plastic materials, this poses a shrinkage risk, resulting in appearance defects such as shrinkage on the top surface of the heat insulation ring, thus degrading its appearance. In addition, since the support posts on the bottom cover need to extend upwards from the bottom wall of the bottom cover to the screw posts without any heat insulation measures, the material of the bottom cover must meet certain temperature resistance requirements, thereby increasing the manufacturing cost of the bottom cover. Utility Model Content

[0004] In order to solve the technical problems of poor appearance and increased cost of bottom cover due to lack of heat insulation in existing cooking utensils, this utility model provides a cooking utensil that not only improves the appearance of the shell, but also reduces heat transfer to the bottom cover, thereby reducing the requirements for the temperature resistance performance of the bottom cover.

[0005] To achieve the above-mentioned technical objectives, the present invention provides a cooking appliance comprising a base and a pot. The base includes a shell, a reflector, and a heating plate. The heating plate is mounted on the reflector, and the pot is placed on the heating plate. The shell includes a bottom cover, a heat insulation ring, and a side shell disposed between the bottom cover and the heat insulation ring. The heat insulation ring forms an installation opening, and the reflector covers the installation opening. The shell contains a heat insulation component that supports the heat insulation ring upwards. The heat insulation component has a first end radially close to the reflector and a second end radially away from the reflector. The heat insulation ring has a connecting portion hidden below the reflector, which is connected to the first end. The bottom cover supports the second end and is connected to the second end.

[0006] Preferably, the inner edge of the heat insulation ring extends inward to form a suspended connecting portion, and there is a heat insulation gap between the connecting portion and the reflector.

[0007] Preferably, the heat insulation ring includes a rectangular outer edge and a circular inner edge, and four corner areas are formed between the inner edge and the outer edge. The connecting part is provided corresponding to the corner areas, and the second end is located near the corner of the outer edge.

[0008] Preferably, the reflector has a downwardly extending flange at its edge, and the heat insulation ring has a slot surrounding the outside of the connection portion, the flange being inserted into the slot so that the reflector is mounted on the heat insulation ring.

[0009] Preferably, the bottom cover includes a bottom wall and a first support column and a second support column disposed on the bottom wall and extending upward, the first support column supporting a first end upward, and the second support column supporting a second end upward and connected to the second end.

[0010] Preferably, the bottom surface of the heat insulation ring also has a reinforcing rib extending downwards, the reinforcing rib abutting against the top surface of the heat insulation component, and the horizontal projection of part of the reinforcing rib coincides with the horizontal projection of the second end.

[0011] Preferably, the first end is provided with an upwardly extending first boss and a positioning groove provided on the outside of the first boss. The first boss supports the connecting part upwardly, and the connecting part is provided with a downwardly extending positioning rib. The lower end of the positioning rib is inserted into the positioning groove to restrict the horizontal rotation of the heat insulation component.

[0012] Preferably, the reinforcing rib connects the positioning rib and the connecting part.

[0013] Preferably, the first end is provided with a first through hole, and a first fastener passes through the first through hole and connects to the connecting part; the second end is provided with a connecting hole, and a second fastener passes through the bottom cover and connects to the connecting hole.

[0014] Preferably, the housing is provided with a plurality of circumferentially spaced heat insulation elements, and the plurality of heat insulation elements are connected to the heat insulation ring and the bottom cover.

[0015] By adopting the above technical solution, this utility model has the following advantages:

[0016] 1. Even if there are appearance defects such as shrinkage in the area corresponding to the connection part on the top surface of the heat insulation ring of this utility model, the appearance defects will be concealed by the reflector because the connection part is hidden under the reflector, thus preventing users from observing the appearance defects and improving the aesthetic appearance of the shell. In addition, by connecting the first end of the heat insulation component radially close to the reflector to the connection part, and the second end of the heat insulation component radially away from the reflector to the bottom cover, the heat insulation component can physically isolate the bottom cover from the heat insulation ring, thereby reducing the heat transferred from the heat insulation ring to the bottom cover. Furthermore, this design also allows the part where the bottom cover is connected to the second end to be as far away from the reflector as possible in the radial direction, thereby extending the heat transfer path from the first end to the second end, and further reducing the amount of heat transferred from the reflector to the second end, avoiding the deformation of the bottom cover due to high temperature and causing deformation of the whole machine. Moreover, the setting of the heat insulation component can serve as a certain height for the connection part, thereby reducing the length of the connection part and reducing the probability of shrinkage of the heat insulation ring. Finally, since the heat insulation component is an internal component, the structural design is unconstrained, so it can be adaptively designed according to different products.

[0017] 2. The inner edge of the heat insulation ring extends inward to form a suspended connecting portion, and a heat insulation gap exists between the connecting portion and the reflector. With this design, since the inner edge of the heat insulation ring forms the mounting opening, and the reflector blocks the mounting opening, the connecting portion can be hidden below the reflector by extending the inner edge of the heat insulation ring inward to form the suspended connecting portion. This eliminates the need to change the existing reflector size and mounting opening size, resulting in lower product modification costs. Furthermore, the heat insulation gap further reduces heat transfer from the reflector to the connecting portion, thereby further reducing heat transfer from the heat insulation component to the bottom cover.

[0018] 3. The heat insulation ring includes a rectangular outer edge and a circular inner edge. Four corner areas are formed between the inner and outer edges, and the connecting part is set corresponding to the corner areas, with the second end near the corner of the outer edge. Since the radial length of the corner area is larger than the radial length of the strip area corresponding to the straight edge of the outer edge, the second end near the corner of the outer edge can be kept as far away as possible from the first end and the reflector to reduce the heat transferred to the bottom cover. In addition, the existing cookware is a rectangular pot, and its heat insulation ring is a rectangular ring adapted to the rectangular pot. The reflector is a rectangular structure that matches the rectangular heat insulation ring. Since the reflector and the heat insulation ring are made of different materials, if a round pot is placed on the heating plate, the corner area of ​​the existing reflector will be exposed, resulting in an inconsistent appearance and affecting the appearance. However, when the round pot is placed on the base of this technical solution, the reflector is covered, and only the heat insulation ring is exposed, thereby ensuring the consistency of appearance and improving the appearance of the product.

[0019] 4. The reflector has a downward-extending flange, and the heat insulation ring has a slot surrounding the outside of the connection. The flange is inserted into the slot to mount the reflector onto the heat insulation ring. This design allows the reflector to be fixed onto the heat insulation ring through the cooperation of the flange and the slot, making assembly simple and convenient. In addition, the cooperation between the slot and the flange also improves the reliability of the heat insulation ring's support for the reflector and the heating plate.

[0020] 5. The bottom cover includes a bottom wall and a first support column and a second support column located on the bottom wall and extending upward. The first support column supports the first end upward, and the second support column supports the second end upward and is connected to the second end. This design allows the first and second support columns to support the first and second ends upward respectively, preventing the first end from being suspended and thus avoiding potential torsional forces on the insulation component in the vertical direction. This ensures the effective support of the insulation component for the insulation ring and effectively prevents deformation of the heating plate.

[0021] 6. The bottom surface of the heat insulation ring also extends downwards with reinforcing ribs. These ribs abut against the top surface of the heat insulation component, and the horizontal projection of some of the reinforcing ribs coincides with the horizontal projection of the second end. This design increases the area of ​​the heat insulation component supporting the heat insulation ring by supporting the reinforcing ribs, thereby improving the stability of the heat insulation ring. At the same time, the coincidence of the horizontal projection of some of the reinforcing ribs with the horizontal projection of the second end allows the bottom cover to effectively support the second end and prevent the heat insulation component from denting or deforming, thus avoiding deformation of the entire machine caused by the deformation of the heat insulation component.

[0022] 7. The first end has an upwardly extending first boss and a positioning groove located outside the first boss. The first boss supports the connecting part upwards, and the connecting part has a downwardly extending positioning rib. The lower end of the positioning rib is inserted into the positioning groove to restrict the horizontal rotation of the heat insulation component. This design allows for the pre-positioning of the heat insulation component through the cooperation of the positioning rib and the positioning groove, ensuring that the second end of the heat insulation component can correspond to the corresponding connection point of the bottom cover after the bottom cover is assembled, thus facilitating the subsequent connection between the bottom cover and the second end.

[0023] 8. Reinforcing ribs connect the positioning ribs and the connecting parts. This design improves the structural strength of the positioning ribs and the connecting parts, preventing them from breaking.

[0024] 9. The casing contains multiple circumferentially spaced heat insulation components, which connect to the heat insulation ring and the bottom cover. This design reduces the material cost of the heat insulation components, thereby lowering the product's manufacturing cost. Attached Figure Description

[0025] Figure 1 This is an exploded view of the base structure in Embodiment 1 of this utility model;

[0026] Figure 2 This is a partial three-dimensional exploded view of the base structure in Embodiment 1 of this utility model;

[0027] Figure 3 This is a top view of the heat insulation ring in Embodiment 1 of this utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the corner area of ​​the heat insulation ring in Embodiment 1 of this utility model;

[0029] Figure 5 This is a partial structural diagram of the bottom cover in Embodiment 1 of this utility model;

[0030] Figure 6 This is an assembly cross-sectional view of the base in Embodiment 1 of this utility model;

[0031] Figure 7 for Figure 6 A magnified view of part A in the diagram;

[0032] In the diagram, 001 is the heat insulation gap; 100 is the shell; 110 is the bottom cover; 111 is the bottom wall; 112 is the first support column; 113 is the second support column; 114 is the support leg; 115 is the rubber plug; 120 is the heat insulation ring; 1201 is the corner area; 1202 is the mounting port; 121 is the connecting part; 122 is the slot; 123 is the outer edge; 124 is the inner edge; 125 is the reinforcing rib; 126 is the positioning rib; 130 is the side shell; 200 is the reflector; 210 is the flange; 300 is the heating plate; 400 is the heat insulation component; 410 is the first end; 411 is the first perforation; 412 is the first boss; 413 is the positioning groove; 420 is the second end; 421 is the connecting hole; 422 is the second boss; 500 is the first fastener; 600 is the second fastener. Detailed Implementation

[0033] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," and "bottom," etc., which indicate orientation or positional relationship, are based solely on the orientation or positional relationship shown in the accompanying drawings and are used only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device / component referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0034] Example 1

[0035] Combination Figures 1 to 7The cooking appliance provided in Embodiment 1 of this utility model is an electric hot pot, including a base and a pot (not shown in the figure). The base includes a shell 100, a reflector 200 and a heating plate 300. The heating plate 300 is mounted on the reflector 200 and the pot is placed on the heating plate 300. The shell 100 includes a bottom cover 110, a heat insulation ring 120 and a side shell 130 disposed between the bottom cover 110 and the heat insulation ring 120. The heat insulation ring 120 forms an installation opening 1202, and the reflector 200 covers the installation opening 1202. The shell 100 is provided with a heat insulation member 400 that supports the heat insulation ring 120 upward. The heat insulation member 400 has a first end 410 that is radially close to the reflector 200 and a second end 420 that is radially away from the reflector 200. The heat insulation ring 120 has a connecting part 121 that is hidden under the reflector 200. The connecting part 121 is connected to the first end 410. The bottom cover 110 supports the second end 420 and is connected to the second end 420.

[0036] In this embodiment, even if there are appearance defects such as shrinkage in the area corresponding to the connecting portion 121 on the top surface of the heat insulation ring 120, the appearance defects will be concealed by the reflector 200 since the connecting portion 121 is hidden under the reflector 200. This prevents the user from observing the appearance defects and improves the aesthetic appearance of the housing 100. In addition, by connecting the first end 410 of the heat insulation member 400 radially close to the reflector 200 to the connecting portion 121, and the second end 420 of the heat insulation member 400 radially away from the reflector 200 to the bottom cover 110, the heat insulation member 400 can physically isolate the bottom cover 110 from the heat insulation ring 120, thereby reducing the impact of the heat insulation ring 120 on the bottom cover 110. 10. Heat transfer; In addition, this design also allows the part where the bottom cover 110 is connected to the second end 420 to be as far away from the reflector 200 as possible in the radial direction, so as to extend the path of heat transfer from the first end 410 to the second end 420, thereby further reducing the amount of heat transferred from the reflector 200 to the second end 420, and avoiding the deformation of the bottom cover 110 due to high temperature, which would lead to deformation of the whole machine; Furthermore, the setting of the heat insulation component 400 can serve as a certain height for the connecting part 121, thereby reducing the length of the connecting part 121 and thus reducing the probability of shrinkage of the heat insulation ring 120; Finally, since the heat insulation component 400 is an internal component, its structural design is unconstrained, so it can be adaptively designed according to different products.

[0037] Specifically, in this embodiment, the heat insulation ring 120 is a ring structure made of plastic material with good temperature resistance. Its inner edge forms the aforementioned mounting opening 1202. The outer edge of the heat insulation ring 120 is connected to the top of the side shell 130. The connecting part 121 is an integrally injection-molded screw post. The heat insulation component 400 is a bracket made of heat insulation material. The bracket extends roughly along the radial direction of the shell 100. The first end 410, which is radially closer to the reflector 200, has a first through hole 411. A first fastener 500 (e.g., a screw) passes through the first through hole 411 and is connected and locked to the screw post. The second end 420, which is radially farther away from the reflector 200, has a connecting hole 421. The connecting hole 421 is a threaded hole. A second fastener 600 (e.g., a screw) passes through the bottom cover 110 and is connected and locked to the connecting hole 421. Thus, the bottom cover 110 supports the heat insulation ring 120 upward through the heat insulation component 400.

[0038] like Figure 3 , Figure 4 and Figure 7 As shown, in this embodiment, the inner edge of the heat insulation ring 120 extends inward to form a suspended connecting portion 121, and a heat insulation gap 001 exists between the connecting portion 121 and the reflector 200. With this design, since the inner edge of the heat insulation ring 120 forms the mounting opening 1202, and the reflector 200 blocks the mounting opening 1202, the connecting portion 121, formed by the partial inward extension of the inner edge of the heat insulation ring 120, can be hidden below the reflector 200 without changing the existing reflector size and mounting opening size, resulting in lower product modification costs. Furthermore, the heat insulation gap 001 further reduces heat transfer from the reflector 200 to the connecting portion 121, thereby further reducing heat transfer from the heat insulation component 400 to the bottom cover 110. Specifically, the heating plate 300 is fixed to the bottom wall of the reflector 200 by screws. The side wall of the reflector 200 includes a lower side wall section and an upper side wall section. The connecting part 121 is located outside the lower side wall section, while the upper side wall section is located above the connecting part 121. A heat insulation gap 001 is formed between the upper side wall section and the top of the connecting part 121.

[0039] Furthermore, in this embodiment, the reflector 200 has a downwardly extending flange 210 at its edge, and the top surface of the heat insulation ring 120 has a slot 122 surrounding the outside of the connecting portion 121. The flange 210 is inserted into the slot 122 so that the reflector 200 is mounted on the heat insulation ring 120. With this design, the reflector 200 can be mounted and fixed on the heat insulation ring 120 through the cooperation of the flange 210 and the slot 122, making assembly simple and convenient. In addition, the circumferential cooperation of the slot 122 and the flange 210 can also improve the reliability of the heat insulation ring 120 in supporting the reflector 200 and the heating plate 300.

[0040] In this embodiment, the housing 100 is provided with a plurality of circumferentially spaced heat insulation elements 400, which are connected to the heat insulation ring 120 and the bottom cover 110. This design reduces the material cost of the heat insulation elements 400, thereby reducing the manufacturing cost of the product.

[0041] Better, such as Figure 3 and Figure 4 As shown, the heat insulation ring 120 in this embodiment includes a rectangular outer edge 123 and a circular inner edge 124. The inner edge 124 forms a circular mounting opening. The reflector 200 is circular and covers the mounting opening. The two adjacent sides of the outer edge 123 are connected by an arc transition. Four corner areas 1201 are formed between the inner edge 124 and the outer edge 123. There are four connecting parts 121. Each corner area 1201 has one connecting part 121 on its inner edge, that is, one connecting part 121 corresponds to one corner area 1201. There are also four heat insulation components 400. The four heat insulation components 400 are respectively arranged below the four corner areas 1201, and the second end 420 is close to the corner of the outer edge 123. Since the radial length of the corner area 1201 is larger than the radial length of the strip area corresponding to the straight edge of the outer edge 123, the corner of the second end 420 near the outer edge 123 can be kept as far away as possible from the first end 410 and the reflector 200 to reduce the heat transferred to the bottom cover 110. In addition, the existing pot is a rectangular pot, and its heat insulation ring is a rectangular ring adapted to the rectangular pot. The reflector is a rectangular structure that matches the rectangular heat insulation ring. Since the reflector and the heat insulation ring are made of different materials, if a round pot is placed on the heating plate, the corner area of ​​the existing reflector will be exposed, resulting in inconsistent appearance and affecting the appearance. However, when the round pot is placed on the base of this technical solution, it will cover the reflector 200, and only the heat insulation ring 120 will be exposed, thereby ensuring consistent appearance and improving the appearance of the product.

[0042] In addition, such as Figure 5 and Figure 7As shown, the bottom cover 110 in this embodiment includes a bottom wall 111 and a first support column 112 and a second support column 113 disposed on the bottom wall 111 and extending upward. The first support column 112 and the second support column 113 are integrally injection molded with the bottom wall 111. The first support column 112 supports the first end 410 upward, and the second support column 113 supports the second end 420 upward and is connected to the second end 420 by a second fastener 600. With this design, the first support column 112 and the second support column 113 can support the first end 410 and the second end 420 upward respectively, so as to avoid the first end 410 being suspended and causing the heat insulation component 400 to be subjected to torsional force in the vertical direction. This ensures the supporting effect of the heat insulation component 400 on the heat insulation ring 120 and effectively prevents the heating plate 300 from deforming. In addition, the setting of the heat insulation component 400 can also effectively reduce the height of the second support column 113, so as to reduce the risk of appearance defects such as shrinkage on the outer surface of the bottom cover 110.

[0043] like Figure 4 and Figure 7 As shown, in this embodiment, the bottom surface of the heat insulation ring 120 also extends downward with a reinforcing rib 125. The reinforcing rib 125 abuts against the top surface of the heat insulation component 400, and the horizontal projection of part of the reinforcing rib 125 coincides with the horizontal projection of the second end 420. With this design, the area of ​​the heat insulation component 400 supporting the heat insulation ring 120 can be increased by supporting the reinforcing rib 125, thereby improving the support stability of the heat insulation ring 120. At the same time, the horizontal projection of part of the reinforcing rib 125 coincides with the horizontal projection of the second end 420, and the support of the bottom cover 110 for the second end 420 can effectively prevent the heat insulation component 400 from denting and deforming, and prevent the deformation of the heat insulation component 400 from causing deformation of the whole machine.

[0044] To facilitate base assembly, such as Figure 2 and Figure 4As shown, in this embodiment, the first end 410 is provided with an upwardly extending first boss 412 and a positioning groove 413 located outside the first boss 412. The first boss 412 supports the connecting part 121 upwardly. The bottom surface of the connecting part 121 is provided with a downwardly extending positioning rib 126. The positioning rib 126 is located outside the first boss 412, and the lower end of the positioning rib 126 is inserted into the positioning groove 413 to restrict the horizontal rotation of the heat insulation component 400. With this design, the heat insulation component 400 can be pre-positioned by the cooperation of the positioning rib 126 and the positioning groove 413, so as to ensure that the second end 420 of the heat insulation component 400 can correspond to the second support column 113 on the bottom cover 110 after the bottom cover 110 is assembled, thereby facilitating the subsequent connection between the bottom cover 110 and the second end 420. In addition, the second end 420 of the heat insulation component 400 is provided with a downwardly extending second boss 422, the second support column 113 supports the second boss 422, and the second fastener 600 is connected to the second boss 422. By designing the first boss 412 and the second boss 422, the heat insulation component 400 can form a Z-shaped bracket, thereby increasing the height of the heat insulation component 400 and further shortening the height of the connecting part 121 and the second support column 113, reducing the occurrence of appearance defects.

[0045] In this embodiment, the reinforcing rib 125 is a U-shaped rib with its opening facing the center of the base. Both ends of the reinforcing rib 125 are connected to two positioning ribs 126 and a connecting portion 121, respectively. This design improves the structural strength of the positioning ribs 126 and the connecting portion 121, preventing them from breaking.

[0046] Finally, the bottom cover 110 in this embodiment is also provided with a hollow support leg 114. The support leg 114 and the second support column 113 are coaxial hollow parts. The second fastener 600 enters the second support column 113 through the support leg 114 and is connected to the second end 420. After assembly, the rubber plug 115 is inserted into the support leg 114 to cover the second fastener 600 inside. The bottom surface of the rubber plug 115 is supported on the table surface. The bottom surface of the rubber plug 115 is provided with anti-slip texture to make the base have an anti-slip effect.

[0047] Understandably, insulation components can also be installed within the strip area of ​​the insulation ring.

[0048] In addition to the preferred embodiments described above, there are other embodiments of this utility model. Those skilled in the art can make various changes and modifications based on this utility model. As long as they do not depart from the spirit of this utility model, they should all fall within the scope defined in the claims of this utility model.

Claims

1. A cooking utensil, comprising a base and a pot, wherein the base includes a housing, a reflector, and a heating plate, the heating plate being mounted on the reflector, the pot being placed on the heating plate, the housing including a bottom cover, a heat insulation ring, and side shells disposed between the bottom cover and the heat insulation ring, the heat insulation ring forming an installation opening, and the reflector covering the installation opening, characterized in that, The housing is provided with a heat insulation component that supports the heat insulation ring upwards. The heat insulation component has a first end that is radially close to the reflector and a second end that is radially away from the reflector. The heat insulation ring has a connecting part that is hidden under the reflector. The connecting part is connected to the first end, and the bottom cover supports the second end and is connected to the second end.

2. The cooking appliance of claim 1, wherein, The inner edge of the heat insulation ring extends inward to form a suspended connecting part, and there is a heat insulation gap between the connecting part and the reflector.

3. The cooking appliance of claim 2, wherein, The heat insulation ring includes a rectangular outer edge and a circular inner edge. Four corner areas are formed between the inner edge and the outer edge. The connecting part is provided corresponding to the corner areas, and the second end is located near the corner of the outer edge.

4. The cooking appliance of claim 2, wherein, The reflector has a downwardly extending flange at its edge, and the heat insulation ring has a slot surrounding the outside of the connection portion. The flange is inserted into the slot so that the reflector is mounted on the heat insulation ring.

5. The cooking appliance of claim 1, wherein, The bottom cover includes a bottom wall and a first support column and a second support column disposed on the bottom wall and extending upward. The first support column supports a first end upward, and the second support column supports a second end upward and is connected to the second end.

6. The cooking appliance of claim 1, wherein, The bottom surface of the heat insulation ring also has a reinforcing rib extending downwards. The reinforcing rib abuts against the top surface of the heat insulation component, and the horizontal projection of part of the reinforcing rib coincides with the horizontal projection of the second end.

7. The cooking appliance of claim 6, wherein, The first end is provided with an upwardly extending first boss and a positioning groove provided on the outside of the first boss. The first boss supports the connecting part upwardly. The connecting part is provided with a downwardly extending positioning rib. The lower end of the positioning rib is inserted into the positioning groove to restrict the horizontal rotation of the heat insulation component.

8. The cooking appliance of claim 7, wherein, The reinforcing rib connects the positioning rib and the connecting part.

9. The cooking appliance of claim 1, wherein, The first end is provided with a first through hole, and a first fastener passes through the first through hole and connects to the connecting part. The second end is provided with a connecting hole, and a second fastener passes through the bottom cover and connects to the connecting hole.

10. The cooking appliance of claim 1, wherein, The housing is provided with a plurality of circumferentially spaced heat insulation elements, which are connected to the heat insulation ring and the bottom cover.

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