Wind shielding mechanism and steaming and baking cooking machine

Abstract

The air blocking mechanism comprises an air heater baffle, a covering part and a driving part, the air heater baffle is provided with an air inlet area and a plurality of air outlet areas which are located on the periphery of the air inlet area and arranged at intervals, and the covering part is movably installed on the air heater baffle; the driving piece is in driving connection with the covering piece to drive the covering piece to move relative to the air heater baffle so that the covering piece can selectively cover the different air outlet areas. According to the steaming and baking cooking machine, the air flow is guided to flow out of other air outlet areas by switching and covering the different air outlet areas, adjustment or switching of the air channel is achieved, therefore, food located on different layers in the steaming and baking cooking machine is cooked in a targeted mode, and the cooking effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of steam oven cooking machine technology, and in particular to a wind deflector mechanism and a steam oven cooking machine. Background Technology

[0002] Traditional steam ovens with steam and grill functions achieve their baking effect by using a fan to blow hot air generated by the heating element onto the food. Therefore, the airflow design is crucial for realizing this core function. Existing baffle mechanisms conceal the fan deep within the interior. For both aesthetic and functional reasons, a hot air baffle is used to separate the fan. A proposed alternative airflow design involves creating specific holes in the hot air baffle, designing the shape and layout of these holes according to requirements, and continuously optimizing them to achieve the desired baking effect.

[0003] While the above solutions can address the issue of hot air blowing directly onto food, an ideal airflow design requires not only in-depth knowledge of fluid mechanics but also extensive experimental verification, resulting in high design costs and a long design cycle. Furthermore, the diversity and complexity of baking conditions (e.g., multi-layer baking, single-layer baking) necessitate optimal temperature field adaptation for different scenarios, which undoubtedly places further demands on the perforation layout design. Often, to achieve the primary function, designers must abandon the stringent requirements of several application scenarios for baking results. In other words, existing airflow designs for baffle mechanisms cannot meet the baking needs of different scenarios. Utility Model Content

[0004] Since the existing windbreak mechanism cannot meet the baking needs of different usage scenarios, it is necessary to provide a windbreak mechanism and a steam oven.

[0005] The windbreak mechanism includes:

[0006] A hot air blower baffle, the hot air blower baffle having an air inlet area and a plurality of air outlet areas located around the air inlet area and arranged at intervals;

[0007] A cover, said cover being movably mounted to the hot air blower baffle; and

[0008] A driving component, which is connected to the cover to move the cover relative to the hot air blower baffle, so that the cover can selectively cover different air outlet areas.

[0009] This setup, by switching and covering different air outlet areas to guide airflow from other air outlet areas, achieves adjustment or switching of the air duct, thereby enabling targeted cooking of food located on different layers in the steam oven and improving the cooking effect.

[0010] In one embodiment, the cover is slidably mounted on the hot air blower baffle along the arrangement direction of the plurality of air outlet areas.

[0011] With this setup, the cover only needs to slide against the hot air blower baffle. Compared to other methods of moving the cover, this reduces the size of the baffle mechanism in the direction perpendicular to the hot air blower baffle, has less impact on the internal space layout of the steam oven, and has lower improvement costs, making production easier.

[0012] In one embodiment, the cover has a first cover surface and a second cover surface arranged at intervals, the first cover surface or the second cover surface being used to block the air outlets of different air outlet areas.

[0013] This design further reduces the sliding travel of the cover, thereby reducing the space reserved for the cover in the steam oven.

[0014] In one embodiment, the plurality of air outlet areas are sequentially designated as a first area, a second area, and a third area along the arrangement direction. The first covering surface is used to block the air outlet of the first area, and the second covering surface is used to selectively block the air outlet of the second area or the third area.

[0015] The following conditions are satisfied among the following: the width b1 of the first region along the arrangement direction; the width b2 of the second region along the arrangement direction; the width b3 of the third region along the arrangement direction; the interval h1 between the first region and the second region; the interval h2 between the second region and the third region; the width L1 of the first covering surface along the arrangement direction; the width L2 of the second covering surface along the arrangement direction; and the distance h3 between the first covering surface and the second covering surface:

[0016] b1≤L1≤h1,b2≤L2≤h2,b3≤L2;

[0017] h3≥h2+b2+b3;

[0018] h1+b2≤h3+L1≤h1+b2+h2;

[0019] h3+L2≤h1+b2+h2, h3+L1≥h1+b1+b2; and

[0020] h3+L2≥b1+h1+b2.

[0021] With this design, the wind deflector has four different wind deflection states, and only one air outlet area is covered in each wind deflection state, which is compatible with the multi-layer arrangement of the baking tray in an actual steam oven.

[0022] In one embodiment, the plurality of air outlet areas are divided into two columns, and the two columns of air outlet areas are located on both sides of the air inlet area. There are two cover members, which are arranged corresponding to the two columns of air outlet areas respectively. There are also two drive members, which are arranged corresponding to the two cover members respectively.

[0023] With this configuration, two driving components drive two covering components respectively, thereby achieving more airflow combinations within the steam oven and adapting to more cooking functions of the steam oven.

[0024] In one embodiment, the covering member includes a connecting portion, a first covering portion providing the first covering surface, a second covering portion providing the second covering surface, and a rack portion fixedly connected to the connecting portion. The driving member includes a transmission gear meshing with the rack portion and a drive motor driving the transmission gear.

[0025] This configuration, with its meshing transmission method, facilitates quantitative adjustment and ensures the accuracy of the cover's position under different windproof conditions.

[0026] In one embodiment, the drive unit further includes a guide rail mounted on the hot air blower baffle, and the rack portion is slidably mounted on the guide rail.

[0027] This design, along with the guide rail, further ensures the smooth movement of the cover.

[0028] In one embodiment, the guide rail is located on the side of the rack portion away from the drive gear and has an abutting surface for abutting the rack portion toward the drive gear.

[0029] With this configuration, the transmission gear and guide rail clamp the rack part of the cover, which simplifies the structure and helps reduce the shaking of the cover at the transmission gear.

[0030] In one embodiment, the rack portion includes a connecting section fixedly connected to the connecting portion, two extension sections extending from both ends of the connecting section and spaced apart from the connecting portion, and the windbreak mechanism further includes a slot adapted to the shape of the extension section, the extension section being slidably inserted into the slot.

[0031] This design also facilitates the use of slots in the windshield mechanism to limit the ends of the rack when the center of gravity of the rack deviates too far from the transmission gear, thereby further increasing the smoothness of the sliding of the cover.

[0032] This application also provides a steam oven, comprising:

[0033] Inner liner body; and

[0034] As described above, the windbreak mechanism is installed on the inner liner body.

[0035] With this configuration, the wind deflector provided in this application has multiple settings, which helps to better match the cooking functions of the steam oven, thereby enabling targeted cooking of different foods and improving the cooking effect. The sliding adjustment method also helps to reduce the space occupied by the wind deflector structure, avoids significant interference with the internal space layout of the steam oven, has low improvement costs, and facilitates production. Attached Figure Description

[0036] Figure 1 A schematic diagram of the structure of a steam oven cooking machine in one embodiment of this utility model;

[0037] Figure 2 for Figure 1 Schematic diagram of the middle windshield mechanism;

[0038] Figure 3 for Figure 2 A schematic diagram showing the relative positions of the central shield and the air outlet area in the first windproof state;

[0039] Figure 4 for Figure 2 A schematic diagram showing the relative positions of the central shield and the air outlet area in the second windproof state;

[0040] Figure 5 for Figure 2 A schematic diagram showing the relative positions of the middle shield and the air outlet area in the third windproof state;

[0041] Figure 6 for Figure 2 A schematic diagram showing the relative positions of the middle shield and the air outlet area in the fourth windproof state;

[0042] Figure 7 for Figure 2 Schematic diagram of the structure of the middle cover and drive component;

[0043] Figure 8 for Figure 7 A schematic diagram of the middle guide rail.

[0044] Figure label:

[0045] 10. Hot air blower baffle; 11. Air inlet area; 12. Air outlet area; 121. First area; 122. Second area; 123. Third area; 20. Covering component; 201. First covering surface; 202. Second covering surface; 21. First covering part; 22. Second covering part; 23. Connecting part; 24. Rack part; 30. Driving component; 31. Transmission gear; 32. Drive motor; 33. Guide rail; 331. Abutment surface; 40. Inner liner body. Detailed Implementation

[0046] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0047] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are 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, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0048] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0049] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0050] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0051] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0052] Traditional steam ovens with steam and grill functions achieve their baking effect by using a fan to blow hot air generated by the heating element onto the food. Therefore, the airflow design is crucial for realizing this core function. Existing baffle mechanisms conceal the fan deep within the interior. For both aesthetic and functional reasons, a hot air baffle is used to separate the fan. A proposed alternative airflow design involves creating specific holes in the hot air baffle, designing the shape and layout of these holes according to requirements, and continuously optimizing them to achieve the desired baking effect.

[0053] While the above solutions can address the issue of hot air blowing directly onto food, an ideal airflow design requires not only in-depth knowledge of fluid mechanics but also extensive experimental verification, resulting in high design costs and a long design cycle. Furthermore, the diversity and complexity of baking conditions (e.g., multi-layer baking, single-layer baking) necessitate optimal temperature field adaptation for different scenarios, which undoubtedly places further demands on the perforation layout design. Often, to achieve the primary function, designers must abandon the stringent requirements of several application scenarios for baking results. In other words, existing airflow designs for baffle mechanisms cannot meet the baking needs of different scenarios.

[0054] Therefore, it is necessary to provide a wind deflector and a steam-roasting cooking machine that can achieve variable airflow.

[0055] Please see Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the structure of a steam oven cooking machine in one embodiment of the present invention. Figure 2 for Figure 1 A schematic diagram of the baffle mechanism. The steam oven includes an inner cavity body 40 and a baffle mechanism installed on the inner cavity body 40. The baffle mechanism includes a hot air fan baffle 10, a cover 20, and a drive component 30. The hot air fan baffle 10 has an air inlet area 11 and multiple air outlet areas 12 arranged at intervals around the air inlet area 11. The cover 20 is movably installed on the hot air fan baffle 10. The drive component 30 drives the cover 20 to move relative to the hot air fan baffle 10, allowing the cover 20 to selectively cover different air outlet areas 12. By switching the coverage of different air outlet areas 12, airflow is guided to flow out from other air outlet areas 12, realizing the adjustment or switching of the air duct, thereby enabling targeted cooking of food located on different layers in the steam oven and improving the cooking effect. Specifically, in order to reduce the space required for the installation of the baffle mechanism in the steam oven, the cover 20 is slidably installed on the hot air blower baffle 10 along the arrangement direction of the multiple air outlet areas 12. In this way, the cover 20 only needs to slide against the hot air blower baffle 10. Compared with other ways of moving the cover 20, such as flipping the cover 20, the size of the baffle mechanism in the direction perpendicular to the hot air blower baffle 10 is reduced. At the same time, since the cover 20 only has one degree of freedom, the space reserved for the cover 20 inside the steam oven is also smaller. Therefore, the impact on the internal space layout of the steam oven is also smaller, the improvement cost is lower, and production is more convenient.

[0056] Please continue reading. Figure 2 Optionally, to further reduce the sliding stroke of the cover 20 and thus reduce the activity space reserved for the cover 20 by the steam oven, in one embodiment of this application, the cover 20 has a first covering surface 201 and a second covering surface 202 arranged at intervals. The first covering surface 201 or the second covering surface 202 is used to block the air outlets of different air outlet areas 12. By using different covering surfaces on the same cover 20 to block different air outlets, the covering surfaces and air outlets are closely aligned and cooperate to achieve different wind-blocking states, thereby reducing the maximum sliding stroke required by the cover 20. Optionally, the shape of the air outlet can be, but is not limited to, circular, elliptical, square, etc., and the number is preferably multiple, as long as airflow is ensured to be unobstructed.

[0057] Please see Figures 3 to 6 , Figure 3 for Figure 2 A schematic diagram showing the relative positions of the central shield 20 and the air outlet area 12 in the first windproof state. Figure 4 for Figure 2 A schematic diagram showing the relative positions of the central shield 20 and the air outlet area 12 in the second windproof state. Figure 5 for Figure 2A schematic diagram showing the relative positions of the middle shield 20 and the air outlet area 12 in the third windproof state. Figure 6 for Figure 2 A schematic diagram showing the relative positions of the central shield 20 and the air outlet area 12 in the fourth windproof state. Specifically, along the arrangement direction of the air outlet area 12, multiple air outlet areas 12 are sequentially divided into a first area 121, a second area 122, and a third area 123. The first shielding surface 201 is used to block the air outlet of the first area 121, and the second shielding surface 202 is used to selectively block the air outlet of the second area 122 or the third area 123. To adapt to the multi-layered arrangement of baking trays in actual steam ovens and to ensure that only one air outlet area 12 is covered in each windproof state, this application designs four windproof states. The width b1 of the first area 121 along the arrangement direction, the width b2 of the second area 122 along the arrangement direction, the width b3 of the third area 123 along the arrangement direction, the interval h1 between the first area 121 and the second area 122, the interval h2 between the second area 122 and the third area 123, the width L1 of the first covering surface 201 along the arrangement direction, the width L2 of the second covering surface 202 along the arrangement direction, and the distance h3 between the first covering surface 201 and the second covering surface 202 also satisfy the following conditions:

[0058] b1≤L1≤h1;b2≤L2≤h2;b3≤L2;

[0059] h3≥h2+b2+b3;

[0060] h1+b2≤h3+L1≤h1+b2+h2;

[0061] h3+L2≤h1+b2+h2, h3+L1≥h1+b1+b2;

[0062] h3+L2≥b1+h1+b2.

[0063] For example, the values ​​of each parameter are as follows: b1 = b2 = b3 = 2.2cm, h1 = 11.2cm, h2 = 5.58cm, h3 = 12.7cm, L1 = 5.5cm, L2 = 3.7cm.

[0064] Please see Figure 3 When the windbreak mechanism is in the first windbreak state, neither the first covering surface 201 nor the second covering surface 202 blocks the air outlet. At this time, the first covering surface 201 is located between the first region 121 and the second region 122, and the second covering surface 202 is located on the side of the third region 123 away from the second region 122. From this embodiment, the distance between the two covering surfaces (h3 = 12.7 cm) is greater than the width of the area formed by the combination of the second region 122 and the third region 123 along the arrangement direction (h2 + b2 + b3 = 9.98 cm).

[0065] Please see Figure 4 When the windbreak mechanism is in the second windbreak state, the second covering surface 202 blocks the air outlet of the third region 123. At this time, the first covering surface 201 is still located between the first region 121 and the second region 122. From this embodiment, the distance between the outer side of the first covering surface 201 and the inner side of the second covering surface 202 (h3+L1=18.2cm) is smaller than the distance between the first region 121 and the third region 123 (h1+b2+h2=18.98cm) and larger than the distance between the side of the first region 121 closer to the second region 122 and the side of the second region 122 closer to the third region 123 (h1+b2=13.4cm).

[0066] Please see Figure 5 When the windbreak mechanism is in the third windbreak state, the first covering surface 201 blocks the air outlet of the first region 121, and the second covering surface 202 is located between the second region 122 and the third region 123. From this embodiment, the distance between the inner side of the first covering surface 201 and the outer side of the second covering surface 202 (h3+L2=16.4cm) is smaller than the distance between the first region 121 and the third region 123 (h1+b2+h2=18.98cm), and the distance between the outer side of the first covering surface 201 and the inner side of the second covering surface 202 (h3+L1=18.2cm) is larger than the distance along the arrangement direction of the region formed by the combination of the first region 121 and the second region 122 (h1+b1+b2=15.6cm).

[0067] Please see Figure 6 When the windbreak mechanism is in the fourth windbreak state, the second covering surface 202 blocks the air outlet of the second region 122, and the first covering surface 201 is located on the side of the first region 121 away from the second region 122. From this embodiment, the distance between the inner side of the first covering surface 201 and the outer side of the second covering surface 202 (h3+L2=16.4cm) is greater than the distance along the arrangement direction of the region formed by the combination of the first region 121 and the second region 122 (b1+h1+b2=15.6cm).

[0068] Please refer to it again. Figure 2 Optionally, in one embodiment provided in this application, the multiple air outlet areas 12 are divided into two rows, with the two rows of air outlet areas 12 located on both sides of the air inlet area 11. There are two cover members 20, each corresponding to one of the two rows of air outlet areas 12, and two drive members 30, each corresponding to one of the two cover members 20. Thus, by having the two drive members 30 drive the two cover members 20 respectively, more airflow combinations are achieved within the steam oven, adapting to more cooking functions of the steam oven.

[0069] Please see Figures 7 to 8 , Figure 7 for Figure 2 A schematic diagram of the structure of the middle cover 20 and the drive component 30. Figure 8 for Figure 7 A schematic diagram of the structure of the guide rail 33 shows that the cover member 20 includes a connecting portion 23, a first cover portion 21 providing a first cover surface 201, a second cover portion 22 providing a second cover surface 202, and a rack portion 24 fixedly connected to the connecting portion 23. The driving member 30 includes a transmission gear 31 meshing with the rack portion 24 and a drive motor 32 driving the transmission gear 31. The meshing transmission facilitates quantitative adjustment and ensures the accuracy of the position of the cover member 20 under different wind-blocking conditions. Optionally, in the embodiments provided in this application, the driving member 30 further includes a guide rail 33 mounted on the hot air blower baffle 10, and the rack portion 24 is slidably mounted on the guide rail 33, which helps to ensure the smooth movement of the cover member 20. Furthermore, in this embodiment provided in this application, the guide rail 33 is located on the side of the rack portion 24 opposite to the transmission gear 31 and has an abutment surface 331 for abutting the rack portion 24 towards the transmission gear 31. In this embodiment, the transmission gear 31 and the guide rail 33 clamp the rack portion 24 of the cover member 20. This structure is simple and also helps to reduce the shaking of the cover member 20 at the transmission gear 31. It is understood that in other embodiments, double transmission gears 31 can also be used to clamp the rack to further increase the smoothness of the sliding of the cover member 20.

[0070] Please see Figure 8 , Figure 8 for Figure 7 A schematic diagram of the structure of the central shield 20. Optionally, in one embodiment provided in this application, the rack portion 24 includes a connecting section fixedly connected to the connecting portion 23, and two extension sections extending from both ends of the connecting section and spaced apart from the connecting portion 23. The windproof mechanism also includes slots (not shown in the figure) adapted to the shape of the extension sections, and the extension sections are slidably inserted into the slots. In this way, when the center of gravity of the rack portion 24 deviates too far from the transmission gear 31, it is also convenient to set slots in the windproof mechanism to limit the two ends of the rack portion 24, thereby further increasing the smoothness of the sliding of the shield 20.

[0071] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0072] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A windbreak mechanism, characterized in that, include: Hot air blower baffle (10), the hot air blower baffle (10) has an air inlet area (11) and a plurality of air outlet areas (12) located around the air inlet area (11) and arranged at intervals; A cover (20) is movably mounted on the hot air blower baffle (10); as well as A drive member (30) is driven to connect to the cover member (20) to move the cover member (20) relative to the hot air blower baffle (10), so that the cover member (20) can selectively cover different air outlet areas (12).

2. The windbreak mechanism according to claim 1, characterized in that, The cover (20) is slidably mounted on the hot air blower baffle (10) along the arrangement direction of the plurality of air outlet areas (12).

3. The windbreak mechanism according to claim 2, characterized in that, The cover (20) has a first cover surface (201) and a second cover surface (202) arranged at intervals, the first cover surface (201) or the second cover surface (202) being used to block the air outlets of different air outlet areas (12).

4. The windbreak mechanism according to claim 3, characterized in that, The plurality of air outlet areas (12) are arranged in sequence along the arrangement direction as a first area (121), a second area (122) and a third area (123). The first covering surface (201) is used to block the air outlet of the first area (121), and the second covering surface (202) is used to selectively block the air outlet of the second area (122) or the third area (123). The following conditions are satisfied among the following: the width b1 of the first region (121) along the arrangement direction; the width b2 of the second region (122) along the arrangement direction; the width b3 of the third region (123) along the arrangement direction; the interval h1 between the first region (121) and the second region (122); the interval h2 between the second region (122) and the third region (123); the width L1 of the first covering surface (201) along the arrangement direction; the width L2 of the second covering surface (202) along the arrangement direction; and the distance h3 between the first covering surface (201) and the second covering surface (202): b1≤L1≤h1,b2≤L2≤h2,b3≤L2; h3≥h2+b2+b3; h1+b2≤h3+L1≤h1+b2+h2; h3+L2≤h1+b2+h2, h3+L1≥h1+b1+b2; and h3+L2≥b1+h1+b2.

5. The windbreak mechanism according to claim 4, characterized in that, The multiple air outlet areas (12) are divided into two columns, and the two columns of air outlet areas (12) are located on both sides of the air inlet area (11). There are two cover members (20) and they are arranged corresponding to the two columns of air outlet areas (12). There are also two drive members (30) and they are arranged corresponding to the two cover members (20).

6. The windbreak mechanism according to any one of claims 3 to 5, characterized in that, The covering member (20) includes a connecting part (23), a first covering part (21) providing the first covering surface (201), a second covering part (22) providing the second covering surface (202), and a rack part (24) fixedly connected to the connecting part (23). The driving member (30) includes a transmission gear (31) meshing with the rack part (24) and a drive motor (32) driving the transmission gear (31).

7. The windbreak mechanism according to claim 6, characterized in that, The drive unit (30) also includes a guide rail (33) mounted on the hot air blower baffle (10), and the rack portion (24) is slidably mounted on the guide rail (33).

8. The windbreak mechanism according to claim 7, characterized in that, The guide rail (33) is located on the side of the rack portion (24) away from the transmission gear (31) and has an abutting surface (331) for abutting the rack portion (24) toward the transmission gear (31).

9. The windbreak mechanism according to claim 6, characterized in that, The rack portion (24) includes a connecting section fixedly connected to the connecting portion (23), and two extension sections extending from both ends of the connecting section and spaced apart from the connecting portion (23). The windbreak mechanism also includes a slot adapted to the shape of the extension section, and the extension section is slidably inserted into the slot.

10. A steam oven cooking machine, characterized in that, include: Inner liner body (40); and The windbreak mechanism as described in any one of claims 1 to 9 is installed on the inner liner body (40).

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