Low-cost air fryer

Abstract

The utility model relates to a low-cost air fryer which comprises a machine body and a cooking cavity arranged in the machine body, an air duct plate forming at least part of the cooking cavity is arranged in the machine body, a heat circulation fan is arranged on the inner side of the air duct plate, and a driving motor is arranged on the outer side of the air duct plate. A mounting hole corresponding to a rotating shaft of the driving motor is formed in the air duct plate, and the rotating shaft of the driving motor is suitable for being connected with the thermal circulation fan after penetrating through the mounting hole; one side, located outside the air duct plate, of the rotating shaft is sleeved with a sealing piece, a sealing pressing plate is arranged on the outer side of the air duct plate, the sealing piece is clamped between the sealing pressing plate and the air duct plate, and the sealing piece is in sealing fit with the air duct plate and the rotating shaft. Therefore, the sealing structure can be simplified under the condition that the sealing effect is guaranteed, the production cost and the use cost of a user are reduced, and the user experience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of kitchen home appliances, especially to a low-cost air fryer. BACKGROUND

[0002] With the improvement of people's living standards, the oil-free cooking method of air fryer is also more and more popular by people, in the existing steam air fryer, the driving motor is usually arranged outside the cooking cavity, the rotating shaft of the driving motor is suitable for passing through the air duct plate and connecting with the heat circulation fan in the cooking cavity, in order to avoid the outflow of high-temperature steam in the cooking cavity through the connection between the motor rotating shaft and the air duct plate to the outside of the cooking cavity, thereby affecting the electrical devices outside the cooking cavity, a sealing structure is usually arranged at the connection between the motor rotating shaft and the air duct plate, these sealing structures usually involve silica gel sealing ring, bearing, stainless steel shaft sleeve, etc., not only the structure is relatively complex, but also the production cost and use cost are relatively high, and the user experience is poor. SUMMARY

[0003] The present application provides a kind of low-cost air fryer, to solve the sealing structure of the rotating shaft of motor and air duct plate of existing air fryer is relatively complex, production cost and user use cost is relatively high, and the technical problem that user experience is poor.

[0004] In order to solve the above technical problems, the utility model provides a kind of low-cost air fryer, including machine body and being located in the cooking cavity in the machine body, the air duct plate of being equipped with at least part of the cooking cavity in the machine body, the heat circulation fan is equipped with in the air duct plate inside, the driving motor is equipped with on the air duct plate outside, the mounting hole corresponding with the rotating shaft of the driving motor is equipped on the air duct plate, the rotating shaft of the driving motor is suitable for passing through the mounting hole and connecting with the heat circulation fan;The rotating shaft is located on the side of the air duct plate outside and is equipped with sealing element, the air duct plate is equipped with sealing press plate outside, the sealing element is clamped between the sealing press plate and the air duct plate, and the sealing element is sealed with the air duct plate and the rotating shaft respectively. By setting the sealing press plate outside the air duct plate, and clamping the sealing element between the sealing press plate and the air duct plate to seal with the air duct plate and the rotating shaft respectively by the sealing element, the sealing structure can be simplified under the condition of guaranteeing sealing effect, the production cost and user use cost are reduced, and the user experience is improved.

[0005] In an optional embodiment, the air duct plate is adapted to be inwardly recessed to form a mounting groove matched with the sealing pressing plate, and the mounting hole is located in the mounting groove. In the air fryer, the sealing pressing plate is adapted to be arranged in the mounting groove, and the mounting groove is adapted to position and / or limit the mounting of the sealing pressing plate. By positioning and / or limiting the mounting of the sealing pressing plate through the mounting groove, not only can the mounting difficulty of the sealing pressing plate be effectively reduced, but also the mispositioning or loosening of the sealing pressing plate during crimping of the sealing element can be reduced, so as to avoid the crimping failure or mispositioning, and the performance stability and crimping stability of the sealing pressing plate can be effectively ensured.

[0006] In an optional embodiment, the sealing pressing plate is provided with a sealing groove recessed inwardly on a side of the sealing pressing plate facing the air duct plate, and the sealing element is at least partially arranged in the sealing groove. By arranging the sealing element in the sealing groove, the sealing element can be hidden to improve the overall aesthetics of the machine body. Meanwhile, the sealing groove is adapted to position and / or limit the mounting of the sealing element. By positioning and / or limiting the mounting of the sealing element through the sealing groove, not only can the mounting difficulty of the sealing element be effectively reduced, but also the mispositioning or deformation of the sealing element leading to the sealing failure can be reduced, and the sealing stability and sealing effect of the sealing element can be effectively ensured.

[0007] In an optional embodiment, the sealing element is provided with a sealing lip extending towards the rotating shaft on a side of the sealing element facing the rotating shaft, and the sealing element is adapted to be sealingly matched with the rotating shaft through the sealing lip. By providing the sealing lip on the sealing element to sealingly match with the rotating shaft, the sealing matching with the rotating shaft can be achieved without affecting the rotation of the rotating shaft, and the sealing stability and sealing effect can be effectively ensured.

[0008] In an optional embodiment, a heat dissipation fan is arranged outside the air duct plate, the driving motor is located outside the heat dissipation fan, and the rotating shaft penetrates through the heat dissipation fan and is fixedly connected with the heat dissipation fan. By arranging the heat dissipation fan outside the air duct plate and connecting the heat dissipation fan with the rotating shaft, coaxial driving of the heat dissipation fan and the heat circulation fan can be realized, which not only simplifies the driving structure of the air fryer, reduces the production cost and user use cost of the air fryer, but also reduces the overall volume of the air fryer, thereby reducing the space occupation of the air fryer, facilitating storage and transportation. At the same time, the heat dissipation fan is adapted to generate cooling air flow when rotating. By arranging the heat dissipation fan outside the air duct plate, the cooling air flow generated by the heat dissipation fan can be used to dissipate heat from the air duct plate, thereby reducing the influence of high temperature in the cooking cavity on the electrical devices outside the cooking cavity. In addition, the cooling air flow generated by the heat dissipation fan can be used to dissipate heat from the sealing element and the sealing plate, thereby ensuring the structural stability and performance stability of the sealing element and the sealing plate, and effectively improving the user experience.

[0009] In an optional embodiment, one side of the heat dissipation fan is limited by a limiting piece sleeved on the rotating shaft, and the other side is provided with an elastic clamping piece clamped on the rotating shaft. The heat dissipation fan is adapted to be clamped and fixed on the rotating shaft by the limiting piece and the elastic clamping piece. By clamping the heat dissipation fan on the rotating shaft, the installation difficulty of the heat dissipation fan can be reduced, the clamping structure of the heat dissipation fan can be simplified, the production cost and user use cost of the air fryer can be reduced, and the user use experience can be improved.

[0010] In an optional embodiment, the periphery of the elastic clamping piece abuts against the heat dissipation fan, the elastic clamping piece is provided with a plurality of inner teeth in a plum blossom shape in the middle, and the rotating shaft is provided with a clamping groove matched with the inner teeth. The elastic clamping piece is adapted to be clamped on the rotating shaft through the inner teeth and the clamping groove. By clamping and fixing the elastic clamping piece on the rotating shaft through the inner teeth and the clamping groove, the stability of the elastic clamping piece when clamped and the connection stability of the heat dissipation fan can be ensured.

[0011] In an optional embodiment, the rotating shaft end is provided with a mounting portion recessed inwardly from the rotating shaft, the mounting portion has an outer dimension smaller than that of the rotating shaft, and the heat circulation fan is sleeved on the mounting portion, one side of the heat circulation fan abuts against the rotating shaft, and the other side is provided with a fixing member sleeved on the mounting portion and abutting against the heat circulation fan. By arranging the mounting portion and the fixing member on the rotating shaft to mount the heat circulation fan, not only can the mounting difficulty of the heat circulation fan be reduced, the production cost and user use cost of the air fryer are reduced, but also the connection stability and performance stability of the heat circulation fan are ensured, and the user use experience is effectively improved.

[0012] In an optional embodiment, the mounting portion is provided with external threads on the outside, the fixing member is provided with internal threads on the inside matching the external threads, and the fixing member is adapted to be threadedly connected to the mounting portion. By threadedly connecting the fixing member to the rotating shaft, not only can the connection structure of the fixing member be simplified, the connection difficulty of the fixing member is reduced, but also the connection strength and connection stability of the fixing member are ensured.

[0013] In an optional embodiment, a plurality of first fixing holes are arranged around the mounting hole on the air duct plate, a plurality of second fixing holes corresponding to the first fixing holes are arranged on the sealing pressing plate, and fasteners are limited in the first fixing holes and the second fixing holes. By arranging a plurality of first fixing holes and second fixing holes on the air duct plate and the sealing pressing plate respectively, and arranging fasteners in the first fixing holes and the second fixing holes to connect the air duct plate and the sealing pressing plate, the connection stability and performance stability of the sealing pressing plate can be effectively ensured.

[0014] Compared with the prior art, the application has the following beneficial effects:

[0015] By arranging the sealing pressing plate outside the air duct plate, and clamping the sealing member between the sealing pressing plate and the air duct plate to seal and cooperate with the air duct plate and the rotating shaft through the sealing member, the sealing structure can be simplified, the production cost and user use cost can be reduced, and the user use experience can be improved while ensuring the sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a whole structure schematic view of a low-cost air fryer.

[0017] Figure 2 is a whole sectional view of a low-cost air fryer.

[0018] Figure 3 is a partial structure exploded view of a low-cost air fryer.

[0019] Figure 4 is a partial enlarged sectional view of a low-cost air fryer. DETAILED DESCRIPTION

[0020] The following description is presented to enable any person skilled in the art to practice the present application as claimed. The preferred embodiments disclosed herein are only examples of the application and alternative embodiments can be devised by those skilled in the art without departing from the spirit and scope of the present application. The present application is directed to / contemplates that which has been described in the preceding detailed description.

[0021] It is to be understood that the terminology used herein is for the purpose of describing the particular embodiments only and is not intended to be limiting, as the scope of the exemplary embodiments of this application is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0022] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the examples are not intended to limit the scope of the present application unless otherwise specifically stated. It is to be understood that the drawings are not necessarily to scale as the dimensions of the parts shown are for the clarity of presentation and are shown exaggerated in relation to each other. The techniques, methods, and devices known to those of ordinary skill in the art can not be discussed in detail, but should be considered as if the discussion were fully disclosed herein. In the examples shown and discussed herein, any specific values should be interpreted as merely illustrative and not as a limitation of the exemplary embodiments. Thus, other exemplary embodiments of the present application can have different values. It is noted that like numbers and letters on the figures identify like parts throughout the several views, and thus, further discussion of the same will not be repeated.

[0023] In the description of the present application, it is to be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component.

[0024] And for the purposes of this description, a spatially relative term, such as "above", "below", "up", "down", "top", "bottom" and the like, can be used herein for ease of description to describe one element's or feature's spatial position or relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device in the figures is inverted, elements described as "above" or "up" other elements or features would then be oriented "below" or "down" the other elements or features. Thus, the exemplary term "above" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. The terms "first", "second", "third", etc. do not necessarily signify sequential order, but can be used for identification purposes only. It is to be understood that the terms so used are interchangeable under appropriate circumstances and embodiments.

[0025] In addition, it should be noted that the term "one" is understood to be "at least one" or "one or more", that is, in an embodiment, the number of one element can be one, and in another embodiment, the number of the element can be one or more, and the term "one" cannot be understood as a limitation on the number. The terms "first", "second", etc. used to qualify parts are only for the convenience of distinguishing the corresponding parts, and have no special meaning unless otherwise stated. Therefore, it cannot be understood as a limitation on the scope of protection of the utility model.

[0026] The accompanying drawings Figure 1 The accompanying drawings Figure 4 As shown in the drawings, the utility model provides a low -cost air fryer's schematic drawing, air fryer includes machine body 10, be located in the machine body 10 inside front side open cooking cavity 11 and the hot air circulation system 20 that communicates cooking cavity 11, the hot air circulation system 20 is suitable for generating circulating hot flow and is passed into cooking cavity 11, to carry out cooking to the food in cooking cavity 11.

[0027] Further, as Figures 2 to 4As shown, the cooking cavity 11 is provided with an air duct plate 12 constituting at least part of the cooking cavity 11, and a hot air circulation system 20 is arranged below the air duct plate 12. The hot air circulation system 20 comprises a hot circulation fan 21 and a heating assembly 22. The heating assembly 22 is adapted to heat air in the cooking cavity 11, and the hot circulation fan 21 is adapted to drive the heated hot air to circulate to form a circulating hot air flow. A driving motor 30 is arranged above the air duct plate 12. The air duct plate 12 is provided with a mounting hole 121 corresponding to a rotating shaft 31 of the driving motor 30. The rotating shaft 31 of the driving motor 30 is adapted to pass through the mounting hole 121 and be drivingly connected to the hot circulation fan 21 to drive the hot circulation fan 21 to rotate and generate the circulating hot air flow. A sealing member 13 is arranged above the rotating shaft 31 of the air duct plate 12. A sealing pressing plate 14 is arranged above the sealing member 13. The sealing member 13 is clamped between the sealing pressing plate 14 and the air duct plate 12 and sealingly engages with the air duct plate 12 and the rotating shaft 31, respectively. By arranging the sealing pressing plate 14 above the air duct plate 12 and clamping the sealing member 13 between the sealing pressing plate 14 and the air duct plate 12 to sealingly engage with the air duct plate 12 and the rotating shaft 31, respectively, the sealing structure can be simplified, the production cost and the user cost can be reduced, and the user experience can be improved.

[0028] In addition, in another optional embodiment, the cooking cavity 11 is provided with an air duct plate 12 constituting at least part of the cooking cavity 11. The hot circulation fan 21 is arranged inside the air duct plate 12. The driving motor 30 is arranged outside the air duct plate 12. The air duct plate 12 is provided with the mounting hole 121 corresponding to the rotating shaft 31 of the driving motor 30. The rotating shaft 31 of the driving motor 30 is adapted to pass through the mounting hole 121 and be connected to the hot circulation fan 21. The sealing member 13 is arranged on one side of the rotating shaft 31 outside the air duct plate 12. The sealing pressing plate 14 is arranged outside the air duct plate 12. The sealing member 13 is clamped between the sealing pressing plate 14 and the air duct plate 12 and sealingly engages with the air duct plate 12 and the rotating shaft 31, respectively. By arranging the sealing pressing plate 14 outside the air duct plate 12 and clamping the sealing member 13 between the sealing pressing plate 14 and the air duct plate 12 to sealingly engage with the air duct plate 12 and the rotating shaft 31, respectively, the sealing structure can be simplified, the production cost and the user cost can be reduced, and the user experience can be improved.

[0029] As Figure 3 and Figure 4As shown, in an optional embodiment, the air duct plate 12 is adapted to be recessed inward to form a mounting groove 122 that matches the sealing plate 14, and the mounting hole 121 is located within the mounting groove 122. In the air fryer, the sealing plate 14 is adapted to be disposed within the mounting groove 122, and the mounting groove 122 is adapted to position the sealing plate 14 during installation. Positioning the sealing plate 14 through the mounting groove 122 effectively reduces the installation difficulty of the sealing plate 14. At the same time, during the installation of the sealing plate 14, the mounting groove 122 is also adapted to limit the sealing plate 14. Limiting the sealing plate 14 through the mounting groove 122 reduces the possibility of misalignment or loosening of the sealing plate 14 when pressing it against the sealing element 13, thereby preventing pressing failure or incomplete pressing and effectively ensuring the performance stability and pressing stability of the sealing plate 14.

[0030] like Figure 4 As shown, in an optional embodiment, the sealing pressure plate 14 has a sealing groove 141 recessed into the sealing pressure plate 14 on the side facing the air duct plate 12, and the sealing element 13 is at least partially disposed within the sealing groove 141. By disposing of the sealing element 13 within the sealing groove 141, the sealing element 13 can be hidden, thereby improving the overall aesthetics of the body 10. Simultaneously, the sealing groove 141 is suitable for positioning the installation of the sealing element 13, effectively reducing the difficulty of installing the sealing element. Furthermore, the sealing groove 141 is also suitable for positioning the installation of the sealing element 13, reducing the possibility of misalignment or deformation of the sealing element 13 leading to poor sealing, effectively ensuring the sealing stability and sealing effect of the sealing element 13.

[0031] like Figure 4 As shown, in an optional embodiment, the sealing member 13 has a sealing lip 131 extending towards the rotating shaft 31 on the side facing the rotating shaft 31. The sealing member 13 is adapted to seal with the rotating shaft 31 through the sealing lip 131. By providing the sealing lip 131 on the sealing member 13 to seal with the rotating shaft 31, a sealing fit with the rotating shaft 31 can be achieved without affecting the rotation of the rotating shaft 31, effectively ensuring sealing stability and sealing effect.

[0032] like Figures 2 to 4As shown, in an optional embodiment, a cooling fan 15 is provided on the outer side of the air duct plate 12, the drive motor 30 is located on the outer side of the cooling fan 15, and the rotating shaft 31 is adapted to pass through the cooling fan 15 and be fixedly connected to the cooling fan 15. By installing the cooling fan 15 outside the air duct plate 12 and connecting the cooling fan 15 to the rotating shaft 31, the cooling fan 15 and the heat circulation fan 21 can be driven coaxially. This not only simplifies the drive structure of the air fryer and reduces the production and user costs, but also reduces the overall volume of the air fryer, thereby reducing its space occupation for easier storage and transportation. Simultaneously, the cooling fan 15 is suitable for generating a cooling current when rotating. By placing the cooling fan 15 outside the air duct plate 12, the cooling current generated by the cooling fan 15 can be used to dissipate heat from the air duct plate 12, reducing the impact of high temperatures inside the cooking cavity 11 on external electrical components. Furthermore, the cooling current generated by the cooling fan 15 can also be used to dissipate heat from the sealing element 13 and the sealing pressure plate 14, ensuring the structural and performance stability of the sealing element 13 and the sealing pressure plate 14, effectively improving the user experience.

[0033] like Figure 3 and Figure 4 As shown, in an optional embodiment, a limiting member 16 sleeved on one side of the cooling fan 15 is provided, and an elastic snap-fit ​​member 17 snaps onto the rotating shaft 31 on the other side. The cooling fan 15 is adapted to be snapped and fixed to the rotating shaft 31 by the limiting member 16 and the elastic snap-fit ​​member 17. By snapping the cooling fan 15 onto the rotating shaft 31, not only can the installation difficulty of the cooling fan 15 be reduced, but the snap-fit ​​structure of the cooling fan 15 can also be simplified, thereby reducing the production cost and user cost of the air fryer and improving the user experience.

[0034] like Figure 3 and Figure 4 As shown, in an optional embodiment, the periphery of the elastic snap-fit ​​member 17 abuts against the cooling fan 15. The elastic snap-fit ​​member 17 has a quincunx-shaped internal tooth 171 in its center, and the rotating shaft 31 has a slot 311 that matches the internal tooth 171. The elastic snap-fit ​​member 171 is adapted to be detachably snapped onto the rotating shaft 31 by the internal tooth 171 and the slot 311. By using the quincunx-shaped internal tooth 171 and the slot 311 to snap and fix the elastic snap-fit ​​member 171 onto the rotating shaft 31, the installation difficulty of the elastic snap-fit ​​member 17 can be effectively reduced, and the stability of the elastic snap-fit ​​member 17 during snap-fit ​​and the connection stability of the cooling fan 15 can be ensured.

[0035] likeFigure 3 And Figure 4 As shown in

[0036] As shown in Figure 3 And Figure 4 As shown in an optional embodiment, the end of the rotating shaft 31 is provided with a mounting portion 312 recessed inward from the rotating shaft 31, the outer dimension of the mounting portion 312 is smaller than that of the rotating shaft 31, and the thermal circulation fan 21 is sleeved on the mounting portion 312, one side of the thermal circulation fan 21 abuts against the rotating shaft 31, and the other side is provided with a fixing member 313 sleeved on the mounting portion 312 and abutting against the thermal circulation fan 21. By providing the mounting portion 312 and the fixing member 313 on the rotating shaft 31 to mount the thermal circulation fan 21, not only can the mounting difficulty of the thermal circulation fan 21 be reduced, the mounting structure of the thermal circulation fan 21 be simplified, and the production cost and user use cost of the air fryer be reduced, but also the connection stability and performance stability of the thermal circulation fan 21 can be guaranteed, and the user use experience can be effectively improved.

[0037] As shown in Figure 3 And Figure 4 As shown in an optional embodiment, the outer side of the mounting portion 312 is provided with external threads, the inner side of the fixing member 313 is provided with internal threads matched with the external threads, and the fixing member 313 is adapted to be threadedly connected to the mounting portion 312. By threadedly connecting the fixing member 313 to the rotating shaft 31, not only can the connection structure of the fixing member 313 be simplified and the connection difficulty of the fixing member 313 be reduced, but also the connection strength and connection stability of the fixing member 313 can be guaranteed.

[0038] The above is further detailed description of the utility model made in combination with specific preferred embodiments, and the purpose of the utility model has been completely and effectively realized, and the person skilled in the art should understand that the above description and the embodiment of the utility model shown in the drawings are only as examples and do not limit the utility model. For ordinary skilled person in the art to which the utility model belongs, without departing from the utility model, a number of simple deductions or substitutions can be made, which should be regarded as belonging to the patent protection scope determined by the claims submitted by the utility model.

Claims

1. A low cost air fryer comprising a body and a cooking cavity disposed within the body, characterised in that, The machine body is provided with an air duct plate constituting at least part of the cooking cavity, the air duct plate is provided with a heat circulation fan on the inner side, the air duct plate is provided with a driving motor on the outer side, the air duct plate is provided with a mounting hole corresponding to the rotating shaft of the driving motor, and the rotating shaft of the driving motor is adapted to pass through the mounting hole and be connected with the heat circulation fan; a sealing element is sleeved on the side of the rotating shaft outside the air duct plate, and the sealing element is clamped between the sealing pressing plate and the air duct plate and sealingly matched with the air duct plate and the rotating shaft.

2. A low cost air fryer according to claim 1, characterized in that, The air duct plate is adapted to be inwardly recessed to form a mounting groove matched with the sealing pressing plate, and the mounting hole is located in the mounting groove.

3. A low cost air fryer according to claim 1, characterized in that, The sealing pressing plate is provided with a sealing groove recessed inwardly on the side facing the air duct plate, and the sealing element is at least partially located in the sealing groove.

4. A low cost air fryer according to claim 1, characterized in that, The sealing element is provided with a sealing lip extending towards the rotating shaft on the side facing the rotating shaft, and the sealing element is adapted to be sealingly matched with the rotating shaft through the sealing lip.

5. A low cost air fryer according to claim 1, characterized in that, The air duct plate is provided with a heat dissipation fan on the outer side, the driving motor is located on the outer side of the heat dissipation fan, the rotating shaft passes through the heat dissipation fan and is fixedly connected with the heat dissipation fan.

6. A low cost air fryer according to claim 5, wherein, The heat dissipation fan is limited by a limiting element sleeved on the rotating shaft on one side, and is provided with an elastic clamping element clamped on the rotating shaft on the other side, and the heat dissipation fan is adapted to be clamped and fixed on the rotating shaft by the limiting element and the elastic clamping element.

7. A low cost air fryer according to claim 6, wherein, The periphery of the elastic clamping element abuts against the heat dissipation fan, the elastic clamping element is provided with a plurality of inner teeth in a plum blossom shape in the middle, the rotating shaft is provided with a clamping groove matched with the inner teeth, and the elastic clamping element is adapted to be clamped on the rotating shaft through the inner teeth and the clamping groove.

8. A low cost air fryer according to claim 1, characterized in that, The end of the rotating shaft is provided with a mounting portion recessed inwardly from the rotating shaft, the outer dimension of the mounting portion is smaller than the outer dimension of the rotating shaft, the heat circulation fan is sleeved on the mounting portion, one side of the heat circulation fan abuts against the rotating shaft, and the other side of the heat circulation fan is provided with a fixing element sleeved on the mounting portion and abutting against the heat circulation fan.

9. A low cost air fryer according to claim 8, wherein, The outer side of the mounting portion is provided with an external thread, the inner side of the fixing element is provided with an internal thread matched with the external thread, and the fixing element is adapted to be threadedly connected with the mounting portion.

10. A low cost air fryer according to any one of claims 1 to 9, wherein, A plurality of first fixing holes are arranged around the mounting hole on the air duct plate, a plurality of second fixing holes corresponding to the first fixing holes are arranged on the sealing pressing plate, and a fastener is limited in the first fixing hole and the second fixing hole.

Images