Frying and baking machine

Abstract

The utility model belongs to the technical field of kitchen appliances, and particularly relates to a frying and baking machine which comprises a shell, a baking tray, a first magnetic attraction piece and a second magnetic attraction piece, the first magnetic attraction piece comprises a magnet and a sleeve, the magnet is attracted in the sleeve, the top end of the sleeve protrudes out of the top face of the magnet to form an attraction part, and the attraction part is attracted with the second magnetic attraction piece. A gap is formed between the top face of the magnet and the second magnetic attraction piece, the sleeve extends out of the bottom wall of the shell and is further provided with a stopping part protruding in the radial direction, the stopping part and the lower surface of the bottom wall of the shell are in stopping limiting, and the bottom wall of the shell is provided with an installation protrusion protruding downwards and limiting the stopping part in the radial direction. The frying and baking machine further comprises a mounting cover located on the lower side of the bottom wall, the mounting cover is provided with a supporting part for axially supporting the stopping part, and the mounting cover fixedly covers the periphery of the mounting protrusion. Easy disassembly and reliable attraction of the baking tray are achieved, the magnet is prevented from being broken in the assembling process, reliable limiting is achieved through the installation cover and the installation protrusion, and rapid assembling is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of kitchen appliances, and particularly relates to a frying and grilling machine. Background Art

[0002] Grills are now a common sight in people's lives. They heat food on both sides simultaneously and are often used for frying or grilling. They are popular for their delicious food and ease of use. Traditional grills have fixed, non-detachable grilling trays, making them difficult to clean. In recent years, grills with detachable trays have become increasingly popular. Magnetic grilling technology, in existing technology, provides a secure, secure fix without a button, ensuring a beautiful overall appearance and easy operation.

[0003] In the prior art, magnets are generally installed by directly fixing them to the baking tray or housing through riveting, welding, etc. However, since magnets are very brittle, this installation method can easily cause the magnets to break. In addition, since the baking tray needs to be removed frequently, in order to facilitate users to take the baking tray, the baking tray and the magnet cannot be sucked too tightly. This technical purpose is generally achieved by adjusting the magnetic flux of the magnet. To reduce the magnetic flux of the magnet, the conventional practice is to reduce the thickness of the magnet. The thinner the magnet, the more difficult it is to shape and process it, and it is more difficult to install and fix it, and it is also more likely to break during the installation process.

[0004] The patent with announcement number CN207341650U discloses a grilling machine with a magnetic attraction structure for a baking tray, including a shell, a baking tray placed on the shell, a first magnetic component and a second magnetic component that attract each other, the first magnetic component is arranged in the shell, the second magnetic component is arranged at the lower end of the baking tray, a metal sleeve is installed on the shell, the first magnetic component is arranged in the recessed portion of the upper end of the metal sleeve, the lower end of the baking tray has a raised second magnetic component that can be placed on the metal sleeve, the second magnetic component is separately installed on the baking tray or integrally formed on the baking tray, the second magnetic component contacts the upper surface of the metal sleeve, and there is a gap between the second magnetic component and the first magnetic component, the shell has a raised portion around the metal sleeve, the raised portion limits the second magnetic component at the lower end of the baking tray, and the utility model can achieve stable attraction of the baking tray with the help of the metal sleeve.

[0005] However, during assembly, the metal sleeve is positioned in the housing's recess by a cover plate, which is then screwed to the housing to secure the first magnetic member and the metal sleeve. Because the cover plate and the recess don't fit snugly, they can slip during tightening. This can cause the cover plate to misalign with the mounting holes, complicating installation and reducing assembly efficiency. Utility Model Content

[0006] The utility model provides a grilling machine based on a detachable magnetic grilling plate, which solves the technical problem of fixing failure caused by easy deviation and misalignment between the mounting cover and the mounting protrusion during the installation process.

[0007] The technical solution adopted by the utility model is as follows: the utility model provides a grilling machine, comprising a shell, a grilling pan mounted on the shell, a first magnetic attraction member arranged on the shell and a second magnetic attraction member arranged on the grilling pan, the first magnetic attraction member comprising a magnet and a sleeve, the magnet being attracted to the sleeve, the top end of the sleeve protruding from the top surface of the magnet to form an attraction portion, the attraction portion being attracted to the second magnetic attraction member, and a gap being formed between the top surface of the magnet and the second magnetic attraction member, the sleeve extending out of the bottom wall of the shell, the sleeve further comprising a radially protruding stop portion, the stop portion being stopped and limited by the lower surface of the bottom wall of the shell, the bottom wall of the shell being provided with a mounting protrusion protruding downwardly and radially limiting the stop portion, the grilling machine further comprising a mounting cover located on the lower side of the bottom wall, the mounting cover being provided with a support portion axially supporting the stop portion, and the mounting cover being fixedly covered on the outer periphery of the mounting protrusion.

[0008] The present invention provides a grilling machine, wherein a first magnetic member comprises a magnet and a sleeve. The top end of the sleeve protrudes from the top surface of the magnet to form a magnetically conductive engaging portion that engages with a second magnetic member, while a gap is formed between the top surface of the magnet and the second magnetic member. This ensures reliable engagement of the grilling pan with the housing. Furthermore, the gap ensures moderate attraction between the magnet and the second magnetic member without requiring thinning of the magnet, making it easier to remove the grilling pan and convenient for the user. Furthermore, a mounting cover is provided that cooperates with a mounting protrusion to facilitate magnet installation, thereby preventing the magnet from fracturing during assembly and protecting the magnet. Furthermore, the mounting cover is provided with a support portion that axially supports the stop portion, and the mounting cover securely covers the outer periphery of the mounting protrusion. The engagement of the mounting cover with the mounting protrusion allows for rapid alignment of the mounting cover, providing a reliable foundation for further securing the mounting cover, reducing assembly effort and preventing the sleeve from shifting during assembly due to deviation of the mounting cover, which could lead to failure in securing the sleeve. The magnet is attracted within the sleeve, and the sleeve is securely supported and positioned on the housing by the mounting cover, making installation simple and reliable, and improving assembly efficiency.

[0009] In a preferred embodiment, the mounting protrusion defines a limiting groove for accommodating the stop portion, the stop portion is sunk into the limiting groove, and the support portion extends into the limiting groove to support the stop portion and radially limit the stop portion with the limiting groove.

[0010] By sinking the stop portion into the limit groove and the supporting portion extending into the limit groove to support the stop portion, the limit groove formed in the mounting protrusion can not only radially limit the stop portion of the sleeve, but also radially limit the supporting portion of the mounting cover. The structure is compact and the limiting is reliable. For the mounting cover, one limit is achieved by directly covering the outer periphery of the mounting protrusion, and two limits are achieved by extending into the limit groove. Therefore, the installation and alignment of the mounting cover is simpler and more accurate, and the displacement of the mounting cover can be avoided when the mounting cover and the shell are locked and reinforced, thereby improving assembly efficiency.

[0011] In a preferred embodiment, the mounting protrusion includes a plurality of mounting posts arranged at intervals around the periphery of the stop portion, and the mounting cover includes a plurality of caps corresponding to and covering the mounting posts.

[0012] More preferably, the cover cap and the mounting post are fastened by screws.

[0013] By setting up multiple mounting posts, the mounting cover has a cap that covers the multiple mounting posts. The mounting posts can not only be used to directly cover and limit the mounting cover, but also can be screwed to the mounting posts to further axially fix the mounting cover and the mounting posts, thereby achieving a firm installation of the mounting cover and reliable positioning of the magnet and the sleeve.

[0014] More preferably, the mounting protrusion includes two symmetrically arranged mounting posts.

[0015] The two symmetrically arranged mounting posts ensure that the cap is evenly stressed on both sides when it is closed on the mounting post, thus preventing the mounting cover from tilting. Furthermore, when the screws are tightened, the cap is firmly positioned on both sides, ensuring that the mounting cover is stably fixed to the mounting post.

[0016] In a preferred embodiment, the supporting portion is an annular rib, and the stopping portion is an annular boss or a plurality of ribs spaced apart along the circumference of the sleeve.

[0017] By setting the support part as an annular rib, the axial support of the sleeve stop part by the mounting cover is stable and the supporting force is uniform. The stop part is an annular boss or multiple ribs, which realize stable axial support together with the annular rib, preventing the sleeve and the magnet from tilting and causing unreliable attraction of the baking tray, thereby realizing reliable attraction between the baking tray and the shell.

[0018] In a preferred embodiment, the mounting protrusion includes an annular surrounding wall provided around the stop portion, and the mounting cover includes a cover side wall surrounding the outer periphery of the annular surrounding wall.

[0019] By setting the mounting protrusion as an annular surrounding wall, the mounting protrusion can fully limit the circumference of the stop portion, and the limitation is reliable. Similarly, the mounting cover utilizes the cover side wall to better cover the outer periphery of the annular surrounding wall, which also facilitates the buckling of the mounting cover.

[0020] More preferably, an internal thread is provided on the inner side of the cover side wall, and the annular surrounding wall is provided with an external thread matching the internal thread, or an internal buckle is provided on the inner side of the cover side wall, and the annular surrounding wall is provided with a buckle position matching the internal buckle.

[0021] Whether using internal and external threads, or internal clips and buckles, a reliable connection between the mounting cover and the mounting protrusion can be achieved, while facilitating the fixation of the mounting cover and facilitating the disassembly and repair of each module component after damage.

[0022] In a preferred embodiment, a floating gap is provided between the stop portion and the bottom wall of the housing for allowing the sleeve to float.

[0023] By providing a floating gap between the stop portion and the bottom wall of the shell for the sleeve to float, when there are extreme tolerances in modules such as the magnet, sleeve, and shell, the first magnetic component can still contact and be attracted to the second magnetic component on the baking tray. That is, the floating movement of the magnet with the sleeve, that is, the suspension movement of the first magnetic component, eats up the dimensional tolerances of each component and achieves reliable attraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] 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:

[0025] Figure 1 This is a structural diagram of the grilling machine in Example 1 of the present invention;

[0026] Figure 2 This is a schematic diagram of the structure of the assembled baking tray and the housing in Example 1 of the present invention;

[0027] Figure 3 for Figure 2 A magnified schematic diagram of part A in the middle;

[0028] Figure 4 This is a schematic diagram of the structure of the inverted shell in Example 1 of the present utility model;

[0029] Figure 5 for Figure 4 The enlarged schematic diagram of part B in the middle shows the specific structure of the mounting protrusion;

[0030] Figure 6This is a structural diagram of the installation cover in Example 1 of the present utility model;

[0031] Figure 7 This is a schematic diagram of the specific structure of the mounting protrusion in Example 2 of the present utility model;

[0032] Figure 8 This is a structural diagram of the installation cover in Example 2 of the present utility model.

[0033] Explanation of the accompanying drawings: 10, shell; 20, baking tray; 30, first magnetic member; 31, magnet; 32, sleeve; 321, stopper; 40, second magnetic member; 50, mounting protrusion; 501, mounting column; 502, annular wall; 51, limiting groove; 60, mounting cover; 601, supporting portion; 602, cover cap; 61, cover side wall. DETAILED DESCRIPTION

[0034] 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.

[0035] The following description sets forth many specific details to facilitate a thorough understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein, and therefore, the scope of protection of the present invention is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present invention and the features of each embodiment may be combined with each other unless there is a conflict.

[0036] 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.

[0037] 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.

[0038] 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 "one embodiment", "some embodiments", "example", "specific example", or "some examples" 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 representation of the above terms does 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.

[0039] like Figure 1 、 2 As shown, the present invention provides a grilling machine in one embodiment, including a housing 10, a grilling pan 20 mounted on the housing 10, a first magnetic member 30 disposed on the housing 10, and a second magnetic member 40 disposed on the grilling pan 20. Figure 3 As shown, the first magnetic member 30 includes a magnet 31 and a sleeve 32. The magnet 31 is attracted to the sleeve 32. The top end of the sleeve 32 protrudes from the top surface of the magnet 31 to form an attraction portion. The attraction portion is attracted to the second magnetic member 40, and a gap S1 is formed between the top surface of the magnet 31 and the second magnetic member 40. The sleeve 32 extends out of the bottom wall of the shell 10. The sleeve 32 is also provided with a radially protruding stop portion 321. The stop portion 321 is stopped and limited by the lower surface of the bottom wall of the shell 10. A mounting protrusion 50 is provided on the bottom wall of the shell 10, which protrudes downward and radially limits the stop portion 321. The grilling machine also includes a mounting cover 60 located on the lower side of the bottom wall. The mounting cover 60 is provided with a support portion 601 for axially supporting the stop portion 321, and the mounting cover 60 is fixedly covered on the outer periphery of the mounting protrusion 50.

[0040] The present invention provides a grilling machine, wherein the first magnetic member 30 includes a magnet 31 and a sleeve 32. The top end of the sleeve 32 protrudes from the top surface of the magnet 31 to form a magnetically conductive attraction portion that is attracted to the second magnetic member 40, while a gap is formed between the top surface of the magnet 31 and the second magnetic member 40. Therefore, reliable attraction between the grilling tray 20 and the housing 10 is achieved. At the same time, the gap S1 is utilized without thinning the magnet 31. Preferably, S1 is less than 2 mm, so that the attraction between the magnet 31 and the second magnetic member 40 is moderate. Specifically, the attraction of the sleeve to the magnet is greater than the attraction of the second magnetic member to the magnet, effectively preventing the magnet from separating from the sleeve and preventing the sleeve and magnet from jointly sucking the second magnetic member too tightly. This makes it easier to pick up the grilling tray 20 and facilitates user operation. In addition, by providing a mounting cover 60, the mounting cover 60 cooperates with the mounting protrusion 50 to realize the installation of the magnet 31, thereby solving the problem of easy breakage of the magnet 31 during the assembly process and protecting the magnet 31. Moreover, the mounting cover 60 is provided with a support portion 601 for axially supporting the stop portion 321, and the mounting cover 60 is fixedly covered on the outer periphery of the mounting protrusion 50. The covering of the mounting cover 60 and the mounting protrusion 50 realizes the rapid alignment of the mounting cover 60, thereby providing a reliable basis for further fixing the mounting cover 60, making assembly labor-saving and avoiding the problem of the sleeve 32 being displaced and fixing failing due to the displacement of the mounting cover 60 during the assembly process. The magnet 31 is attracted into the sleeve 32, and the sleeve 32 is reliably supported by the mounting cover 60 to be positioned on the shell 10. The installation is simple and reliable, thereby improving the assembly efficiency.

[0041] In a preferred embodiment, Figure 3 As shown, the mounting protrusion 50 defines a limiting groove 51 for accommodating the stopper 321 , the stopper 321 is sunk into the limiting groove 51 , and the support portion 601 extends into the limiting groove 51 to support the stopper 321 and radially limit the limiting groove 51 .

[0042] By sinking the stop portion 321 into the limiting groove 51 and the support portion 601 extending into the limiting groove 51 to support the stop portion 321, the limiting groove 51 formed in the mounting protrusion 50 can not only radially limit the stop portion 321 of the sleeve 32, but also radially limit the support portion 601 of the mounting cover 60. The structure is compact and the limiting is reliable. For the mounting cover 60, one limiting step is achieved by directly covering the outer periphery of the mounting protrusion 50, and two limiting steps are achieved by extending into the limiting groove 51. Therefore, the installation and alignment of the mounting cover 60 is simpler and more accurate, and the displacement of the mounting cover 60 can be avoided when the mounting cover 60 and the shell 10 are locked and reinforced, thereby improving the assembly efficiency.

[0043] It should be noted that the present invention does not limit the specific structure of the mounting protrusion and the mounting cover. For example:

[0044] Implementation Example 1, such as Figure 1-6As shown, the mounting protrusion 50 includes a plurality of mounting posts 501 spaced apart around the periphery of the stopper 321, and the mounting cover 60 includes a plurality of caps 602 corresponding to the mounting posts 501. Figure 4 、 5 As shown, the mounting protrusion 50 includes two symmetrically arranged mounting posts 501. Preferably, the cap 602 is fastened to the mounting posts 501 by screws.

[0045] By setting up multiple mounting posts, the mounting cover 60 has a cap that covers the multiple mounting posts. The mounting posts can not only achieve direct covering and limiting with the mounting cover 60, but also can use screws to lock the mounting posts to further axially fix the mounting cover 60 and the mounting posts, thereby achieving a firm installation of the mounting cover 60 and further achieving reliable positioning of the magnet 31 and the sleeve 32.

[0046] In this embodiment, by symmetrically arranging two mounting posts, the forces on both sides of the cap are balanced when it is closed on the mounting post, thus preventing the mounting cover 60 from being tilted, and when the screws are tightened, the two sides of the cap are firmly positioned, so that the mounting cover 60 is stably fixed to the mounting post.

[0047] Based on the structure provided by this embodiment, the specific installation steps of assembling the first magnetic member and the housing are as follows: Figure 1-3 As shown, first, the magnet 31 is attracted to the sleeve 32 to form a first magnetic attraction member; Figure 4 As shown, the housing 10 is turned upside down, the sleeve 32 is inserted into the mounting hole of the housing 10 and the stop portion 321 of the sleeve is stopped and limited by the lower surface of the bottom wall of the housing 10 to achieve pre-installation of the first magnetic member; Figure 5 、 6 As shown, the mounting cover 60 is buckled with the mounting protrusion 50. Specifically, the two caps 602 of the mounting cover 60 are respectively buckled with the two mounting posts to achieve radial reliable limiting. Finally, screws are passed through the caps 602 to lock them on the mounting posts 501 to complete the assembly.

[0048] In a preferred embodiment, for example, in this embodiment, referring to Figure 6 As shown, the support portion 601 is an annular rib, and the stop portion 321 is an annular boss or a plurality of ribs spaced apart along the circumference of the sleeve 32 .

[0049] By configuring the support portion 601 as an annular rib, the mounting cover 60 provides stable and uniform axial support for the stop portion 321 of the sleeve 32. The stop portion 321 is configured as an annular boss or multiple ribs, which together with the annular rib provide stable axial support, preventing the sleeve 32 and magnet 31 from tilting, which could cause unreliable engagement of the baking tray 20, thereby ensuring reliable engagement between the baking tray 20 and the housing 10. Of course, the specific configurations of the support portion and the stop portion are still applicable to other embodiments of the present invention.

[0050] In a preferred embodiment, for example, in this embodiment, Figure 3 As shown, a floating gap S2 is provided between the stopper 321 and the bottom wall of the housing 10 for the sleeve 32 to float. Preferably, 0<S2≤3mm. It is understood that this embodiment is still applicable to other specific implementation examples of the present invention.

[0051] By providing a floating gap between the stop portion 321 and the bottom wall of the shell 10 for the sleeve 32 to float, when modules such as the magnet 31, the sleeve 32, and the shell 10 have extreme tolerances, the first magnetic component 30 can still contact and be attracted to the second magnetic component 40 on the baking tray 20, that is, the floating movement of the magnet 31 with the sleeve 32, that is, the suspension movement of the first magnetic component 30, eats up the dimensional tolerances of each component, thereby achieving reliable attraction.

[0052] Implementation Example 2, such as Figure 7 、 8 As shown, the mounting protrusion 50 includes an annular surrounding wall 502 arranged around the stopper 321 , and the mounting cover 60 includes a cover side wall 61 surrounding the outer periphery of the annular surrounding wall 502 and a support portion 601 located in the cover side wall.

[0053] By setting the mounting protrusion 50 as an annular surrounding wall, the mounting protrusion 50 fully limits the circumference of the stop portion 321, and the limitation is reliable. Similarly, the mounting cover 60 utilizes the side wall of the cover to better cover the outer periphery of the annular surrounding wall, which also facilitates the buckling of the mounting cover 60.

[0054] More preferably, on the basis of this embodiment, in order to achieve reliable fixation of the installation cover and the annular surrounding wall, optionally, an internal thread is provided on the inner side of the cover side wall, and the annular surrounding wall is provided with an external thread that cooperates with the internal thread, or, an internal snap is provided on the inner side of the cover side wall, and the annular surrounding wall is provided with a snap position that cooperates with the internal snap.

[0055] Whether using internal and external threads, or internal snaps and buckles, the mounting cover 60 can be reliably connected to the mounting protrusion 50, while facilitating the fixation of the mounting cover 60 and facilitating the disassembly and repair of each module component after damage.

[0056] Based on the structure provided in this embodiment, the specific installation steps of assembling the first magnetic member and the housing are as follows: Figure 1-3 First, the magnet 31 is attracted to the sleeve 32 to form a first magnetic attraction member; Figure 4 As shown, the housing 10 is turned upside down, the sleeve 32 is inserted into the mounting hole of the housing 10 and the stop portion 321 of the sleeve is stopped and limited by the lower surface of the bottom wall of the housing 10 to achieve pre-installation of the first magnetic member; Figure 5 、 6As shown, the mounting cover 60 is engaged with the mounting protrusion 50. Specifically, the mounting cover 60 is assembled by threading or snapping the cover side wall with the annular surrounding wall. Of course, in order to further enhance the positioning reliability of the mounting cover, the mounting cover and the housing can be locked with screws.

[0057] It should be noted that the present invention does not limit the specific structure and installation method of the second magnetic component 40 . For example, in a preferred embodiment, the second magnetic component 40 is provided with a thread that is screwed onto the bottom of the baking tray 20 .

[0058] In addition, the first magnetic attraction member and the second magnetic attraction member may be optionally located in the middle of the grilling machine or arranged on the edge of the grilling machine around the central axis of the grilling machine.

[0059] Of course, it is understandable that in other embodiments of the present invention, the setting positions of the first magnetic component 30 and the second magnetic component 40 can be swapped, that is, the first magnetic component 30 can be fixed to the baking tray 20, and the second magnetic component 40 can be fixed to the shell 10.

[0060] Anything not described in this utility model can be achieved by adopting or drawing on existing technologies.

[0061] 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.

[0062] The above are merely examples of the present invention and are 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 grilling machine, comprising a housing, a grilling pan mounted on the housing, a first magnetic member disposed on the housing, and a second magnetic member disposed on the grilling pan, wherein: The first magnetic attraction member includes a magnet and a sleeve, the magnet is attracted to the sleeve, the top end of the sleeve protrudes from the top surface of the magnet to form an attraction portion, the attraction portion is attracted to the second magnetic attraction member, and a gap is formed between the top surface of the magnet and the second magnetic attraction member, the sleeve extends out of the bottom wall of the shell, the sleeve is further provided with a radially protruding stop portion, the stop portion is stopped and limited by the lower surface of the bottom wall of the shell, and a mounting protrusion is provided on the bottom wall of the shell that protrudes downward and radially limits the stop portion, the frying machine also includes a mounting cover located on the lower side of the bottom wall, the mounting cover is provided with a support portion that axially supports the stop portion, and the mounting cover is fixedly covered on the outer periphery of the mounting protrusion.

2. A grilling machine according to claim 1, characterized in that: The mounting protrusion defines a limiting groove for accommodating the stop portion, the stop portion is sunk into the limiting groove, and the supporting portion extends into the limiting groove to support the stop portion and be radially limited by the limiting groove.

3. The grilling machine according to claim 1, characterized in that: The mounting protrusion includes a plurality of mounting columns arranged at intervals around the outer periphery of the stopper, and the mounting cover includes a plurality of caps corresponding to and covering the mounting columns.

4. A grilling machine according to claim 3, characterized in that: The cover cap and the mounting post are locked by screws.

5. The grilling machine according to claim 3, characterized in that: The mounting protrusion includes two mounting columns that are symmetrically arranged.

6. The grilling machine according to claim 1, characterized in that: The supporting portion is an annular rib, and the stopping portion is an annular boss or a plurality of ribs spaced apart along the circumference of the sleeve.

7. The grilling machine according to claim 1, characterized in that: The mounting protrusion includes an annular surrounding wall arranged around the stop portion, and the mounting cover includes a cover side wall surrounding the outer periphery of the annular surrounding wall.

8. The grilling machine according to claim 7, characterized in that: An internal thread is provided on the inner side of the cover side wall, and an external thread matching the internal thread is provided on the annular surrounding wall.

9. The grilling machine according to claim 7, characterized in that: An inner buckle is provided on the inner side of the cover side wall, and a buckle position that cooperates with the inner buckle is provided on the annular surrounding wall.

10. The grilling machine according to claim 1, characterized in that: A floating gap for the sleeve to float is provided between the stop portion and the bottom wall of the shell.

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