Base of induction cooker and induction cooker

Abstract

The utility model discloses a base of an induction cooker, which comprises a base bottom wall and support legs arranged on the outer surface of the base bottom wall, the inner surface of the base bottom wall is provided with lower connecting columns extending upwards corresponding to the support legs, the base bottom wall is provided with a central area and four corner parts, each corner part is provided with a sinking table formed by sinking downwards, and the lower connecting columns extend upwards to form the sinking tables. The outer end of the sinking table is provided with the supporting feet formed by protruding downwards and the lower connecting columns formed by protruding upwards, the diagonal connecting lines of the two sets of diagonal lower connecting columns both pass through a first center, the first center is located in a center area, and the inner end of the sinking table is in a suspended state and extends towards the center area. The inner ends of the two opposite-angle sinking tables deflect towards the two sides of the opposite-angle connecting line. According to the base disclosed by the utility model, the structural strength of the bottom wall of the base can be enhanced so as to effectively avoid deformation and further improve the performance of the whole machine. In addition, the utility model further discloses the induction cooker adopting the base.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen appliance technical field especially, relate to a base of electromagnetism stove and electromagnetism stove. BACKGROUND

[0002] The prior art electromagnetic oven includes a base, an upper cover assembly and a housing provided between the upper cover assembly and the base, wherein the base includes a base bottom wall and a support leg provided on the outer surface of the base bottom wall, the inner surface of the base bottom wall is provided with a lower connecting column extending upward at the position corresponding to the support leg, the upper cover assembly is provided with an upper connecting column extending downward, the upper connecting column is supported on the lower connecting column, and the upper connecting column and the lower connecting column are locked and fixed by a fastener to connect the upper cover assembly and the base. In use, a pot is placed on the upper cover assembly, the weight of the pot will exert a downward pressure on the upper cover assembly, the downward pressure will be transmitted to the base bottom wall and the support leg through the upper connecting column and the lower connecting column, since the edge of the base bottom wall is connected with a base side wall, the structural strength of the outer peripheral region of the base bottom wall is relatively large, and the distance between the central region of the base bottom wall and the lower connecting column is relatively large and there is no other supporting structure between them, so the overall structural strength of the region between the central region of the base bottom wall and the connecting column is relatively weak and is prone to collapse and deformation under the downward pressure. SUMMARY

[0003] The utility model provides a base of electromagnetism stove that overcomes the prior art and can enhance the structural strength of the base bottom wall to effectively prevent deformation and improve the performance of the whole machine.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A base of an electromagnetic oven includes a base bottom wall and a support leg provided on the outer surface of the base bottom wall, the inner surface of the base bottom wall is provided with a lower connecting column extending upward at the position corresponding to the support leg, the base bottom wall has a central region and four corner positions, each corner position is provided with a sunken platform formed by being recessed downward, the outer end of the sunken platform is provided with the support leg formed by being protruded downward and the lower connecting column formed by being protruded upward, the diagonal connecting line of two groups of diagonal lower connecting columns passes through a first center, the first center is located in the central region, the inner end of the sunken platform is in a suspended state and extends toward the central region, and the inner end of each of the two diagonal sunken platforms is deflected toward the two sides of the diagonal connecting line.

[0006] In the above base of the electromagnetic oven, the sunken platform is in a strip shape, the outer end of the sunken platform is located away from the central region, and the inner end of the sunken platform is located close to the central region.

[0007] In the above base of the electromagnetic oven, the sunken platform includes a sunken platform bottom wall, and the sunken platform bottom wall is in a waist-shaped structure with round heads at both ends.

[0008] In the base of the electromagnetic oven, the inner ends of the two diagonal sunken platforms are deflected by the same angle towards the two sides of the diagonal line, so that the extension directions of the two diagonal sunken platforms are parallel.

[0009] In the base of the electromagnetic oven, the two adjacent sunken platforms are symmetrically distributed about the center line of the side on which they are located.

[0010] In the base of the electromagnetic oven, the lower connecting column is a hollow column, the foot is provided with a through hole communicating with the hollow column, and an anti-skid plug is arranged in the through hole.

[0011] In the base of the electromagnetic oven, the bottom wall of the base is further provided with an air inlet corresponding to the fan of the electromagnetic oven, the air inlet is arranged on the part of the bottom wall of the base between the first center and the front side of the bottom wall of the base, and part of the air inlet is located between the two sunken platforms on the front side.

[0012] In the base of the electromagnetic oven, the base further comprises a side wall arranged around the bottom wall of the base, a water retaining rib is protruded on the circumferential edge of the bottom wall of the base, the water retaining rib surrounds the outside of the sunken platform, and the side wall of the base is provided with an air outlet located outside the water retaining rib.

[0013] In the base of the electromagnetic oven, the sunken platform further comprises a side wall, and the side wall of the sunken platform is connected to the part of the bottom wall of the base around the sunken platform by a rounded corner.

[0014] The utility model discloses further disclose an electromagnetic oven, including shell and be located in the fan and electromagnetic wire disc of shell, the shell includes upper cover subassembly, base and be located between upper cover subassembly and the shell of base, the base is the base of any technical scheme described above, the upper cover subassembly is equipped with the upper connecting column of downward extension, the lower connecting column supports the upper connecting column upwards and is connected fixed through fastener.

[0015] The utility model has the advantages of:

[0016] 1. In this embodiment, each corner is provided with a recessed platform. The outer end of the platform has a downwardly protruding support leg and an upwardly protruding lower connecting column. This platform enhances the structural strength of the four corners of the base wall, reducing the risk of deformation in the four corners and surrounding areas. Furthermore, since the support leg protrudes beyond the outer end of the platform, it supports the outer end of the platform, allowing the inner end of the platform to be suspended. This reduces the depth of the recess, preventing excessive concavity and thus reducing the structural strength of the four corners. The inner end of the platform then extends towards the center, bringing it closer to the central area. The recessed area enhances the structural strength of the region between the central area and the lower connecting column, making this area less prone to deformation. Furthermore, because the inner ends of the two diagonally opposite recessed platforms deflect towards the sides of their respective diagonal lines, the force transmission path when the two diagonally opposite platforms transfer the force to the central area is more dispersed. This prevents the central area from collapsing due to concentrated downward pressure. In other words, this practical technical solution enhances the structural strength of the entire base's bottom wall, effectively preventing deformation and improving overall machine performance. Finally, the recessed platforms also prevent interference with the assembly of other components on the base.

[0017] 2. The recessed platform is strip-shaped, with its outer end positioned away from the central area and its inner end positioned close to the central area. This design increases the force transmission distance between the lower connecting column and the central area, thereby increasing force loss during transmission, reducing the force on the central area and the corner areas, and further preventing deformation of the base wall.

[0018] 3. The recessed platform includes its bottom wall, which is an oval structure with rounded ends. This design is not only simple but also easy to process and shape. Furthermore, the oval shape avoids stress concentration at both ends of the bottom wall, thereby enhancing the structural strength of the platform. Finally, it also improves the appearance of the base.

[0019] 4. The inner ends of the two diagonally opposite recessed platforms are deflected at the same angle towards both sides of the diagonal line, so that the extending directions of the two diagonally opposite platforms are parallel. Furthermore, adjacent platforms are symmetrically distributed about the center line of their respective sides. This design further enhances the appearance of the base.

[0020] 5. The lower connecting column is a hollow column, and the support leg has a through hole communicating with the hollow column. An anti-slip plug is installed in the through hole. This design allows fasteners to easily enter the hollow column through the through hole to connect with the upper connecting column on the upper cover assembly. At the same time, the anti-slip plug protects the fasteners and increases the roughness of the bottom surface of the support leg, so that the base of the induction cooker has an anti-slip effect.

[0021] 6、The base bottom wall is further provided with an air inlet corresponding to the electromagnetic oven fan, the air inlet is arranged on the part of the base bottom wall between the first center and the front side edge of the base bottom wall, and part of the air inlet is located between the two sunken platforms of the front side. In this way, the air inlet can be designed to avoid the first center and to make the transmission path of the two sunken platforms of the front side to the central area avoid the air inlet or the edge close to the air inlet, so as to ensure the structural strength of the air inlet and avoid deformation of the air inlet. At the same time, since the back side of the electromagnetic oven is usually a wall when the electromagnetic oven is used, in order to ensure the smoothness of the air inlet around the air inlet, the air inlet is arranged close to the front side edge of the base bottom wall, so that the air inlet on the front side of the air inlet is more smooth, thereby ensuring the air inlet amount of the air inlet.

[0022] 7、The base further comprises a base side wall arranged around the base bottom wall, the base bottom wall is provided with a water retaining rib on the circumferential edge, the water retaining rib surrounds the outside of the sunken platform, and the base side wall is provided with an air outlet located outside the water retaining rib. In this way, water flowing into the base through the air outlet can be avoided from flowing into the sunken platform, so that a drainage hole does not need to be arranged in the sunken platform to drain water, thereby ensuring the structural strength of the sunken platform.

[0023] 8、The sunken platform further comprises a sunken platform side wall, and the sunken platform side wall and the part of the base bottom wall located around the sunken platform are connected through a rounded corner. In this way, stress concentration can be avoided at the connection between the part of the base bottom wall located around the sunken platform and the sunken platform side wall, thereby avoiding the connection between the sunken platform side wall and the part of the base bottom wall located around the sunken platform from being broken and deformed.

[0024] These features and advantages of the present application will be described in detail in the following specific embodiments and drawings.

BRIEF DESCRIPTION OF DRAWINGS

[0025] The present application will be further described below with reference to the drawings:

[0026] Figure 1 It is a structural schematic view of the base in the first embodiment of the present application;

[0027] Figure 2 It is a front view of the base in the first embodiment of the present application;

[0028] Figure 3 It is a sectional view of the electromagnetic oven in the first and second embodiments of the present application;

[0029] Figure 4 It is Figure 3 a local enlarged schematic view of A in the second embodiment of the present application;

[0030] Figure 5 It is an exploded schematic view of the shell in the second embodiment of the present application.

[0031] Reference signs:

[0032] 100, base; 110, base bottom wall; 111, air inlet; 112, water baffle; 120, leg; 130, lower connecting column; 140, sunken platform; 141, sunken platform bottom wall; 1401, inner end; 1402, outer end; 142, sunken platform side wall; 150, base side wall; 151, air outlet; 160, central region; 170, anti-skid plug; 200, fan; 300, electromagnetic coil; 400, upper cover assembly; 410, upper connecting column; 500, shell. DETAILED DESCRIPTION

[0033] The utility model provides a base of electromagnetic oven, including base bottom wall and be located the leg of base bottom wall outer surface, the portion of base bottom wall inner surface corresponding leg is equipped with the lower connecting column that forms to the up direction, the base bottom wall has central region and four corner portions, every corner portion is equipped with the sunken platform that forms to the down, the outer end of sunken platform is equipped with the leg that forms to the down and upper convex forms the lower connecting column, the diagonal line of two groups of diagonal lower connecting column all passes through first center, first center is located in central region, the inner end of sunken platform is in the state of suspension and extends to the direction of central region, and the inner end of diagonal two sunken platforms respectively deflects to the two sides of diagonal line.

[0034] Every corner portion is equipped with the sunken platform that forms to the down in the embodiment, and the outer end of sunken platform is equipped with the leg that forms to the down and upper convex forms the lower connecting column, so this can improve the structural strength of four corner portions of base bottom wall by setting sunken platform, to reduce the risk of deformation of four corner portions and its surrounding area, in addition, since the leg is convex to the outer end of sunken platform and supports the outer end of sunken platform, so the inner end of sunken platform can be set in the state of suspension, that is, the sunken platform is supported by the leg, the depth of sunken platform can be reduced to avoid excessive sunken platform and reduce the structural strength of four corner portions, then the inner end of sunken platform extends to the direction of central region, so that the sunken platform is closer to the central region, which can enhance the structural strength of the area between the central region and the lower connecting column, so that the area is not easy to deform, finally, since the inner end of diagonal two sunken platforms deflects to the two sides of diagonal line, so the force transmission path of diagonal two sunken platforms when the force is transmitted to the central region is more dispersed, which avoids the central region from being depressed and deformed due to the concentrated downward pressure, that is, the structural strength of the entire base bottom wall can be enhanced by using the technical scheme, to effectively avoid deformation and improve the overall performance, finally, the sunken platform can also avoid interference with the assembly of other components on the base.

[0035] The technical solutions of the embodiments of this utility model will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of this utility model and not all of them. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without creative effort are all within the protection scope of this utility model. In addition, it should be understood that the terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," and "bottom," etc., indicating orientation or positional relationship, are only based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They are not intended to indicate or imply that the device / component must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0036] Example 1

[0037] like Figures 1 to 4 As shown, in this embodiment, the base 100 of the induction cooker includes a base bottom wall 110 and a support leg 120 disposed on the outer surface of the base bottom wall 110. A lower connecting post 130 extending upwards is provided on the inner surface of the base bottom wall 110 corresponding to the support leg 120. The base bottom wall 110 typically has four side edges connected end-to-end, with adjacent side edges connected by rounded corners. The portion of the base bottom wall 110 near the rounded corners forms a corner portion. In this embodiment, the base bottom wall 110 has a central region 160 and four corner portions. Each corner portion has a recessed platform 140. The outer end of the platform 140 has a downwardly protruding support leg 120 and an upwardly protruding lower connecting post 130. The diagonal lines connecting the two sets of diagonally opposite lower connecting posts 130 both pass through the first center O. Figure 2As shown, the intersection of diagonal line B connecting the lower connecting column 130 at the upper left corner and the lower connecting column 130 at the lower right corner and diagonal line C connecting the lower connecting column 130 at the upper right corner and the lower connecting column 130 at the lower left corner is the first center O, which is located in the center area 160, which is a circular area with a center at the center of the bottom wall 110 of the base and a radius of 2-5 cm. One end of the sink 140 near the first center O is the inner end 1401, and the other end of the sink 140 away from the first center O is the outer end 1402. The inner end 1401 is in a suspended state, i.e., the inner end 1401 is higher than the bottom surface of the support 120, so that the inner end 1401 is not supported by the placement surface, and the inner end 1401 extends towards the center area 160. The inner ends of the two opposite sink 140 are respectively deflected towards the two sides of the diagonal line where they are located. In this embodiment, the inner end 1401 is deflected towards one side of the diagonal line where it is located, which means that the center of the inner end 1401 is offset from the diagonal line where the lower connecting column 130 of the sink 140 is located and is located on one side of the diagonal line. That is, the center of one of the inner ends 1401 of the sink 140 at the upper left corner and the sink 140 at the lower right corner is located on the right side of the diagonal line B, i.e., deflected towards the right side of the diagonal line B, and the center of the other is located on the left side of the diagonal line B, i.e., deflected towards the left side of the diagonal line B. Similarly, one of the inner ends 1401 of the sink 140 at the upper right corner and the sink 140 at the lower left corner is deflected towards the right side of the diagonal line C, and the other is deflected towards the left side of the diagonal line C.

[0038] As each corner portion is provided with the concave sink 140 in the embodiment, the outer end 1402 of the sink 140 is provided with the convexly formed leg 120 and the convexly formed lower connecting column 130, so that the structural strength of the four corner portions of the bottom wall 110 of the base can be improved by providing the sink 140, so as to reduce the risk of deformation of the four corner portions and the surrounding area thereof; in addition, as the leg 120 is convexly formed at the outer end 1402 of the sink 140 to support the outer end 1402 of the sink, the inner end 1401 of the sink can be suspended, i.e. the sink 140 is supported by the leg 120, so as to reduce the depth of the concave sink 140, so as to avoid excessive concave sinking of the sink 140 and reduce the structural strength of the four corner portions; then the inner end 1401 of the sink extends towards the central area 160, so that the sink 140 is closer to the central area 160, so as to enhance the structural strength of the area between the central area 160 and the lower connecting column 130, so that the area is not prone to deformation; finally, as the inner ends 1401 of the diagonally opposite sinks 140 are respectively deflected towards the two sides of the diagonal line, so that the force transmission path of the diagonally opposite sinks 140 when the force is transmitted to the central area 160 is more dispersed, so as to avoid the central area 160 from being depressed and deformed due to the concentrated downward pressure, i.e. the technical solution of the embodiment can enhance the structural strength of the entire bottom wall 110 of the base, so as to effectively avoid deformation thereof, and further improve the overall performance; finally, the concave sink 140 can also avoid interference with the assembly of other components on the base 100.

[0039] The sink 140 in the embodiment is strip-shaped, the outer end 1402 of the sink is away from the central area 160, and the inner end 1401 of the sink is close to the central area 160. In this way, the force transmission distance between the lower connecting column 130 and the central area 160 can be increased while effectively reducing the area of the sink 140, so as to increase the loss of force during transmission, reduce the stress of the area between the central area 160 and the corner portion and the stress of the central area 160, and further avoid deformation of the bottom wall 110 of the base.

[0040] Preferably, the sink 140 comprises a sink bottom wall 141, which is a waist-shaped structure with rounded ends. In this way, the structure is simple and easy to process and form, and the waist-shaped structure design also avoids stress concentration at the two ends of the sink bottom wall 141, thereby enhancing the structural strength of the sink 140, and finally improving the appearance of the base 100.

[0041] The sink 140 in the embodiment further comprises a sink side wall 142 which is connected to the part of the base bottom wall 110 around the sink 140 by chamfering. In this way, stress concentration can be avoided at the connection between the part of the base bottom wall 110 around the sink 140 and the sink side wall 142, thereby avoiding deformation and breakage at the connection between the sink side wall 142 and the part of the base bottom wall 110 around the sink 140.

[0042] Secondly, the inner end 1401 of each of the two sinks 140 on opposite corners is deflected by the same angle α towards the two sides of the diagonal line, so that the extension directions of the two sinks 140 on opposite corners are parallel, and the angle between the line connecting the center of the inner end 1401 and the center of the outer end 1402 on the same sink 140 and the diagonal line on which the lower connecting column 130 on the sink 140 is located is α, and the inner end 1401 of each of the two sinks 140 on opposite corners is deflected by the same angle α towards the two sides of the diagonal line, so that the line connecting the center of the inner end 1401 and the center of the outer end 1402 on the two sinks 140 on opposite corners is parallel, preferably 0° < α < 5°. In this way, the appearance of the base 100 can be further improved. Preferably, the two adjacent sinks 140 are symmetrically distributed about the center line of the side on which they are located. Taking the two sinks 140 close to the lower side as an example, the two sinks 140 on the lower side are symmetrically distributed about the center line D. In this way, the appearance of the base 100 can be further improved.

[0043] In addition, the sink bottom wall 141 in the embodiment is downwardly convex to form the leg 120. In this way, not only can the structural strength of the sink 140 be enhanced, but also the installation reliability of the leg 120 and the sink 140 can be enhanced by integrally processing and forming the leg 120 and the sink 140, and the leg 120 does not need to be separately processed and assembled, thereby improving the assembly efficiency of the product.

[0044] Furthermore, the base bottom wall 110 in the embodiment is further provided with an air inlet 111 corresponding to the electromagnetic oven fan. The air inlet 111 is arranged on the part of the base bottom wall 110 between the first center O and the front side edge of the base bottom wall, as shown in Figure 2 The right side edge of the base bottom wall forms the front side edge of the base bottom wall, and part of the air inlet 111 is located between the two sinks 140 on the front side. In this way, the air inlet 111 can be avoided from the first center O, and the force transmission path of the two sinks 140 on the front side to the central area 160 can be avoided from the air inlet 111 or close to the edge of the air inlet 111, so as to ensure the structural strength of the air inlet 111 and avoid deformation of the air inlet 111. At the same time, since the back side of the electromagnetic oven is usually a wall when the electromagnetic oven is used, in order to ensure the smoothness of the air inlet around the air inlet 111, the air inlet 111 is arranged close to the front side edge of the base bottom wall in the technical solution, so that the air inlet on the front side of the air inlet 111 is smoother, thereby ensuring the air inlet amount of the air inlet 111.

[0045] The base 100 in the embodiment further comprises a base side wall 150 arranged around the base bottom wall 110, the base bottom wall 110 is provided with a water retaining rib 112 at the circumferential edge, the water retaining rib 112 is arranged outside the sunken platform 140, the base side wall 150 is provided with an air outlet 151 outside the water retaining rib 112, the air outlet 151 is located at the rear side of the air inlet 111. In this way, the water flow entering the base 100 through the air outlet 151 can be prevented from entering the sunken platform 140, so that the sunken platform 140 does not need to be provided with a drainage hole for drainage, thereby ensuring the structural strength of the sunken platform 140.

[0046] Finally, the lower connecting column 130 in the embodiment is a hollow column, the foot 120 is provided with a through hole in communication with the hollow column, and an anti-skid plug 170 is arranged in the through hole. In this way, the fastener can pass through the through hole and enter the hollow column to be connected with the upper connecting column on the upper cover assembly, and at the same time, the anti-skid plug 170 can shield the fastener and increase the roughness of the bottom surface of the foot 120, so that the base of the induction cooker has an anti-skid effect.

[0047] Embodiment two

[0048] As shown in Figures 3 to 5 The embodiment further provides an induction cooker, which comprises a shell, a fan 200 and an electromagnetic coil disc 300 arranged in the shell, the shell comprises an upper cover assembly 400, the base 100 described in the embodiment one, and an outer shell 500 arranged between the upper cover assembly 400 and the base 100, the upper cover assembly 400 is provided with a downwardly extending upper connecting column 410, the lower connecting column 130 supports the upper connecting column 410 upwardly, and a fastener (screw) enters the lower connecting column 130 through the through hole in the foot 120 and is threadedly connected with the upper connecting column 410, so that the lower connecting column 130 is fixedly connected with the upper connecting column 410.

[0049] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, and those skilled in the art should understand that the present application includes but is not limited to the contents described in the above specific embodiments and the drawings. Any modification without deviating from the functional and structural principles of the present application shall be included in the scope of the claims.

Claims

1. A base of an electromagnetic cooker, comprising a base bottom wall and a supporting leg arranged on the outer surface of the base bottom wall, and a lower connecting column formed by extending upward at the position of the supporting leg on the inner surface of the base bottom wall, characterized in that, The base bottom wall has a central region and four corner regions, each of which is provided with a sunken portion formed by concave, the outer end of the sunken portion is provided with the foot formed by convex and the lower connecting column formed by convex, the diagonal line of two groups of opposite lower connecting columns passes through the first center, the first center is located in the central region, the inner end of the sunken portion is in a suspended state and extends towards the central region, and the inner end of the two opposite sunken portions is respectively deflected towards the two sides of the diagonal line.

2. The base of an electromagnetic hob as claimed in claim 1, characterized in that The sunken portion is strip-shaped, the outer end of the sunken portion is away from the central region, and the inner end of the sunken portion is close to the central region.

3. A base for an electromagnetic hob as claimed in claim 2, characterised in that, The sunken portion includes a sunken portion bottom wall, which is a waist-shaped structure with round heads at both ends.

4. The base of an electromagnetic hob as claimed in claim 1, characterized in that The inner ends of the two opposite sunken portions are deflected at the same angle towards the two sides of the diagonal line, so that the extension directions of the two opposite sunken portions are parallel.

5. The base of an electromagnetic hob as claimed in claim 1, characterized in that The two adjacent sunken portions are symmetrically distributed about the center line of the side on which they are located.

6. The base of an electromagnetic hob as claimed in claim 1, characterized in that The lower connecting column is a hollow column, the foot is provided with a through hole in communication with the hollow column, and an anti-skid plug is arranged in the through hole.

7. A base for an electromagnetic hob as claimed in any one of claims 1 to 6, characterised in that, The base bottom wall is also provided with an air inlet corresponding to the electromagnetic oven fan, the air inlet is arranged on the part of the base bottom wall between the first center and the front side of the base bottom wall, and part of the air inlet is located between the two sunken portions of the front side.

8. A base for an electromagnetic hob as claimed in any one of claims 1 to 6, characterised in that, The base further includes a base side wall arranged around the base bottom wall, the base bottom wall is provided with a water retaining rib on the circumferential edge, the water retaining rib surrounds the outside of the sunken portion, and the base side wall is provided with an air outlet located outside the water retaining rib.

9. A base for an electromagnetic hob as claimed in any one of claims 1 to 6, characterised in that, The sunken portion further includes a sunken portion side wall, and the sunken portion side wall and the part of the base bottom wall located around the sunken portion are connected by a rounded corner.

10. An electromagnetic cooker comprising a housing, a fan and an electromagnetic coil disc arranged in the housing, the housing comprising an upper cover assembly, a base and a casing arranged between the upper cover assembly and the base, characterized in that, The base is the base described in any one of claims 1 to 9, the upper cover assembly is provided with an upper connecting column extending downward, and the lower connecting column supports the upper connecting column upward and is connected and fixed by a fastener.

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