Oven

Abstract

The utility model relates to a kind of ovens, comprising: furnace body, the heating source is arranged in furnace body interior;First grill, it is set in heating source upper and with furnace body fixed connection, the projection of first grill and heating source in vertical direction is at least partially coincident;Second grill, it is set between the first grill and the heating source, the second grill is connected to the furnace body and can be relative to the furnace body and slide between first preset position and second preset position;When the second grill is located first preset position, the projection of the first grill, the second grill and the heating source in vertical direction is at least partially coincident, when the second grill is located second preset position, the projection of the second grill and the heating source in vertical direction is at least partially not coincident, and the projection of the second grill and the first grill in vertical direction is not coincident.The oven provided by the utility model can improve the cooking efficiency and flexibility of oven.

Description

Technical Field

[0001] This utility model relates to the field of kitchenware technology, and in particular to a baking oven. Background Technology

[0002] An oven is a device that uses heating elements to generate heat to bake food. The heat from an oven can be transferred to the surface and interior of the food through radiation, conduction, and convection, which allows the food to cook evenly. The high-temperature environment inside the oven can cause the Maillard reaction to occur rapidly on the surface of the food, forming a caramelized layer and preventing over-drying. The high-temperature environment of an oven is highly controllable, and a variety of types and flavors of food can be processed using an oven. Therefore, it has been widely used in both commercial and household applications.

[0003] In existing technologies, the grill racks of double-layer grill ovens are usually fixed inside the oven cavity. When cooking with two grill racks, the food on the lower grill rack usually cooks faster because it is closer to the heat source. Therefore, users need to frequently remove the cooked food from the lower grill rack. In addition, the removed food needs to be stored in a separate container. The frequent removal and storage of the cooked food from the lower grill rack during the cooking process is inconvenient, results in a poor user experience, and leads to low cooking efficiency. Utility Model Content

[0004] The first technical problem solved by this invention is to provide an oven that can effectively improve the cooking efficiency and flexibility of the oven.

[0005] The first technical problem mentioned above is solved by the following technical solution:

[0006] An oven, comprising:

[0007] A furnace body, wherein a heating source is provided inside the furnace body;

[0008] A first grill is disposed above the heating source and fixedly connected to the oven body, wherein the projection of the first grill into the heating source in the vertical direction at least partially overlaps with that of the heating source.

[0009] A second grill is disposed between the first grill and the heating source. The second grill is connected to the oven body and can slide relative to the oven body between a first preset position and a second preset position. When the second grill is in the first preset position, the projections of the first grill, the second grill, and the heating source in the vertical direction at least partially overlap. When the second grill is in the second preset position, the projections of the second grill and the heating source in the vertical direction at least partially do not overlap, and the projections of the second grill and the first grill in the vertical direction do not overlap.

[0010] The oven described in this utility model has the following beneficial effects compared with the prior art:

[0011] The aforementioned oven, by incorporating a fixed first grill rack and a sliding second grill rack within its interior, creates a dual-layer cooking space. This allows for the simultaneous grilling of different ingredients, maximizing space utilization. The first grill rack is further from the heat source than the second, enabling flexible control of the distance between the ingredients and the heat source, allowing for selection of either rack based on the cooking requirements. For example, the first rack can be used for ingredients requiring low-temperature slow grilling or heat preservation, while the second rack can be used for ingredients requiring high-temperature fast grilling. The second grill rack can slide relative to the oven body; once the food on the second rack is cooked, it can be pulled out to prevent overcooking. Good ingredients can be removed all at once and kept away from the heat source. Cooked ingredients can be temporarily stored on the second grill without the need for containers, improving the efficiency of removing and storing food on the second grill and reducing the cumbersome operation during cooking. When the second grill slides to the second preset position, the first grill is no longer obstructed from the heat source, allowing it to receive heat more directly and accelerating the cooking of food on the first grill. Removing and replacing ingredients on the second grill does not affect the continued cooking of food on the first grill and can also increase the cooking speed of food on the first grill, thus effectively improving cooking efficiency and flexibility.

[0012] In one embodiment, the second grill is slidably connected to the oven body via a support and guide assembly, the support and guide assembly including a grill support frame and a guide member, the grill support frame being fixedly connected to the oven body; the guide member being slidably connected to the grill support frame and fixedly connected to the second grill.

[0013] In one embodiment, the grill support frame is provided with a groove along the sliding direction of the second grill, and the guide is slidably disposed in the groove.

[0014] In one embodiment, the guide is disposed on the side of the second grill parallel to the sliding direction, and located at the end or middle of the side near the inside of the oven body.

[0015] In one embodiment, the guide includes a rivet screw and a locking screw. The rivet screw is fixedly connected to the second grill and has a threaded hole. The locking screw slides into the groove and passes through the groove to be threadedly connected to the rivet screw.

[0016] In one embodiment, a positioning block is provided on the side wall of the grill support frame that is opposite to the inner wall of the oven and perpendicular to the extension direction of the slide groove, and a positioning groove corresponding to the positioning block is provided on the inner wall of the oven.

[0017] In one embodiment, the second grill is provided with a second grilling wire, which includes an outer grilling wire and an inner grilling wire. The outer grilling wire has an opening, and the inner grilling wire is disposed on the opening and overlaps with the outer grilling wire.

[0018] In one embodiment, the outer baking rack includes a first outer baking rack and a second outer baking rack, which are symmetrically arranged on the second baking rack.

[0019] In one embodiment, the inner baking rack includes an overlap portion that at least partially overlaps with the projection of the outer baking rack in the vertical direction.

[0020] In one embodiment, the oven body is provided with a support frame for supporting the second grill when it is pulled out. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 An exploded view of the structure of the second grill rack of an oven provided in an embodiment of this utility model;

[0023] Figure 2 A schematic diagram of the second grill rack being pushed into working state in an embodiment of this utility model;

[0024] Figure 3 This is a schematic diagram of the second grill rack of an oven in the working state according to an embodiment of the present invention;

[0025] Figure 4 A schematic diagram of the cooking state of an oven provided according to an embodiment of the present invention;

[0026] Figure 5 A schematic diagram showing the state of the second grill rack when it is pulled out during the cooking process of an oven according to an embodiment of the present invention;

[0027] Figure 6 This is a schematic diagram showing the position of the locking screw in the second grill rack of the oven when it is pulled out and in operation, according to an embodiment of the present invention.

[0028] Figure 7 for Figure 6 A magnified view of a section at point B in the middle;

[0029] Figure 8A schematic diagram showing the relative positions of the locking screws and the second grill rack of an oven according to an embodiment of the present invention;

[0030] Figure 9 This is a schematic diagram of the second grill rack portion of an oven in the pulled-out state according to an embodiment of the present invention;

[0031] Figure 10 A schematic diagram showing the position of the locking screws in the pulled-out state of the second grill section of an oven according to an embodiment of the present invention;

[0032] Figure 11 This is a schematic diagram of the structure of the second grill rack of an oven provided in an embodiment of the present invention;

[0033] Figure 12 This is a schematic diagram showing the relative position of the second grill rack and the oven body in an embodiment of the present invention.

[0034] Figure 13 for Figure 12 A magnified view of a section at point A in the middle;

[0035] Figure 14 A schematic diagram of the grill rack structure of the second grill rack of the oven provided in an embodiment of this utility model.

[0036] To make the above and other objects, features, advantages and embodiments of this utility model more apparent and understandable, the appended symbols are explained as follows:

[0037] 100. Oven body; 200. First grill rack; 210. First grill wire rack; 300. Second grill rack; 310. Second grill wire rack; 311. Inner grill wire rack; 312. Overlapping part; 313. Outer grill wire rack; 314. Opening part; 320. Stop part; 330. Handle; 400. Grill rack support frame; 410. Slide groove; 420. Positioning block; 500. Locking screw. Detailed Implementation

[0038] 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.

[0039] 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.

[0040] 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.

[0041] 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.

[0042] 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.

[0043] 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.

[0044] See Figures 1 to 5 An embodiment of the present invention provides an oven, comprising:

[0045] A furnace body 100, wherein a heating source is provided inside the furnace body 100;

[0046] A first grill 200 is disposed above the heating source and fixedly connected to the oven body 100, wherein the projection of the first grill and the heating source in the vertical direction at least partially overlaps;

[0047] A second grill 300 is disposed between the first grill 200 and the heating source. The second grill 300 is connected to the oven body 100 and can slide relative to the oven body 100 between a first preset position and a second preset position. When the second grill 300 is in the first preset position, the projections of the first grill 200, the second grill 300, and the heating source in the vertical direction at least partially overlap. When the second grill 300 is in the second preset position, the projections of the second grill 300 and the heating source in the vertical direction at least partially do not overlap, and the projections of the second grill 300 and the first grill 200 in the vertical direction do not overlap.

[0048] The oven can be a gas oven, a charcoal oven, or an oil oven. The oven body 100 refers to the structure that supports the internal components, and may include an outer shell, inner liner, insulation layer, door, and support frame. The heating source can be an open flame heating source such as charcoal or gas, or an electric heating source such as an electric heating element or resistance wire. The outer shell of the oven body 100 can be made of high-temperature resistant metal or refractory materials, and the outer layer can be covered with heat-insulating material. The inner cavity of the oven body 100 forms a baking space and houses components such as the grill rack and burner. The first grill rack 200 is located above the heating source and fixedly connected to the oven body 100. Its relative position to the heating source is fixed, meeting the basic baking requirements of the food. The second grill rack 300 is positioned between the first grill rack 200 and the heating source and can slide relative to the oven body 100, allowing the second grill rack 300 to be pulled out or pushed in, thus flexibly placing or removing food on the second grill rack 300. When the second grill 300 is not pulled out of the oven body 100, the projections of the first grill 200, the second grill 300, and the heating source in the vertical direction at least partially overlap. The second grill 300 is closer to the heating source and receives direct radiant heat and convective heat from the heating source, which can be used for high-temperature rapid baking. At this time, the second grill 300 and the food on it are located between the first grill 200 and the heating source, which has a blocking effect on the heat flow, so that the first grill 200 mainly receives indirect radiant heat from the heating source and hot air circulation heating in the oven, which can be used for slow baking or heat preservation. The first preset position can be the target position for the second grill 300 to slide relative to the oven body 100, set according to the actual situation. For example, the second grill 300 can be partially or completely pulled out of the oven cavity. The projection of the second grill 300 and the heating source in the vertical direction will not overlap at least partially, so that there is no longer any obstruction between the first grill 200 and the heating source, or only partial obstruction. At this time, the first grill 200 can directly receive the radiant heat from the heating source, so that the food on the first grill 200 can be cooked faster. With the first grill 200 fixed and the second grill 300 able to slide, more diverse baking needs can be met, and multiple ingredients can be cooked at the same time. The areas of the first grill 200 and the second grill 300 can be the same or different. The number and area of ​​the first grill 200 and / or the second grill 300 can be set in the oven body 100 according to actual needs to meet different baking requirements. For example, multiple independent sliding second grills 300 can be set on the same plane to achieve flexible baking of different ingredients. When there are fewer foods that need to be kept warm or slow-cooked, a smaller first grill 200 can be used. Alternatively, the area of ​​the second grill 300 can be set to be smaller than that of the first grill 200. The sliding direction of the second grill 300 is not limited to sliding from the inside of the oven cavity to the outside or from the outside to the inside. It can also slide vertically or left and right to flexibly adjust the distance between the second grill 300 and the heating source and the influence of the second grill 300 on the heating effect of the first grill 200.

[0049] The aforementioned oven, by setting a fixed first grill rack 200 and a sliding second grill rack 300 within the oven body 100, forms a double-layer cooking space, allowing for the simultaneous grilling of different ingredients and improving the oven's space utilization. The first grill rack 200 is further from the heat source than the second grill rack 300, allowing for flexible control of the distance between the ingredients and the heat source, depending on the cooking requirements. For example, the first grill rack 200 can be used for grilling ingredients requiring low-temperature slow grilling or heat preservation, while the second grill rack 300 can be used for grilling ingredients requiring high-temperature fast grilling. The second grill rack 300 can slide relative to the oven body 100. Once the food on the second grill rack 300 is cooked, it can be pulled back to prevent overcooking. This design allows for the removal of cooked food from the second grill 300 at once, keeping it away from the heat source. The cooked food can also be temporarily stored on the second grill 300 without the need for containers, improving the efficiency of removing and storing food on the second grill and reducing the complexity of the cooking process. Furthermore, when the second grill 300 slides to the second preset position, the first grill 200 is no longer obstructed by the heat source, allowing it to receive heat more directly and accelerating the cooking of food on the first grill 200. Removing and replacing food on the second grill 300 does not affect the continued cooking of food on the first grill 200, and it also increases the cooking speed of food on the first grill 200, thus effectively improving cooking efficiency and flexibility.

[0050] In one exemplary embodiment, the second grill 300 is slidably connected to the oven body 100 via a support and guide assembly. The support and guide assembly includes a grill support frame 400 and a guide member. The grill support frame 400 is disposed below the second grill 300 and fixedly connected to the oven body 100; the guide member is slidably connected to the grill support frame 400 and fixedly connected to the second grill 300. Figure 1 As shown, the grill support frame 400 can be a rectangular frame structure, which can be composed of rectangular steel pipes welded together or connected by threads. The grill support frame 400 is used to support the second grill 300, allowing it to slide horizontally, thus sliding out of the oven cavity or entering the oven cavity from the outside. The grill support frame 400 can be an integral structure with the oven body 100, welded together, or connected by connectors. The vertical projections of the grill support frame 400 and the second grill 300 at least partially overlap, so that the second grill 300 can be stably supported by the grill support frame 400 and will not fall off. The guide can include structures such as sliders or pulleys, and the grill support frame 400 can be provided with slide rails or slide grooves 410. The sliders or slide grooves 410 can drive the second grill 300 connected to them to reciprocate in the horizontal direction under the guidance of the slide rails or slide grooves 410.

[0051] In one exemplary embodiment, such as Figure 6-10 As shown, the grill support frame 400 has a groove 410 along the sliding direction of the second grill 300, and the guide member is slidably disposed in the groove 410. The groove 410 refers to a recessed channel opened on the grill support frame 400. By slidingly engaging with the guide member, the sliding direction of the second grill 300 can be restricted, preventing the second grill 300 from deviating during the sliding process.

[0052] In one exemplary embodiment, such as Figure 6-10 As shown, the guide is disposed on the side of the second grill 300 parallel to the sliding direction, and located at the end or middle of the side near the inner side of the oven body 100. When the guide is disposed at the end of the side, when the second grill 300 is pulled, all or most of the second grill 300 can be pulled out of the oven cavity, which facilitates the retrieval or placement of food and minimizes the obstruction of the first grill 200 by the second grill 300. The guide being disposed in the middle means that it can be disposed at any position between the two ends of the side, not limited to the center position. For example, the distance from the end can be 1 / 2, 1 / 3, 1 / 4 of the side length, etc. The extent to which the second grill 300 can be pulled out can be set according to actual needs. When only part of the second grill 300 is pulled out, the grill support frame 400 can support the unpulled portion. Compared to the fully pulled-out case, the partially pulled-out second grill 300 has a larger contact area with the grill support frame 400, resulting in better stability.

[0053] In one exemplary embodiment, such as Figure 6-8 As shown, the guide includes a rivet screw and a locking screw 500. The rivet screw is fixedly connected to the second grill 300 and has a threaded hole. The locking screw 500 slides through the groove 410 and is threadedly connected to the rivet screw. To ensure stability during the sliding process, grooves 410 can be formed on both opposite sides of the grill support frame 400, such as... Figure 1 In the illustrated embodiment, grooves 410 are provided on the two short sides of the grill support frame 400, allowing the second grill 300 to slide along these short sides. Rivet screws are installed on the lower surface of the second grill 300, reducing deformation and impact on structural strength during processing. The rivet screws are fixedly connected to the second grill 300 and have threaded holes. A locking screw 500 passes through the grooves 410 from below the grill support frame 400 and is threadedly connected to the rivet screws. Thus, the locking screw 500 acts as a guide, and its sliding within the grooves 410 allows the second grill 300 to slide along them.

[0054] In one exemplary embodiment, such as Figure 11-13 As shown, a positioning block 420 is provided on the side wall of the grill support frame 400 opposite to the inner wall of the oven body 100 and perpendicular to the extending direction of the slide groove 410. A positioning groove corresponding to the positioning block 420 is provided on the inner wall of the oven body 100. By providing the positioning block 420 and the positioning groove, a limiting effect can be achieved when the second grill 300 slides inward into place, reducing the shaking of the second grill 300.

[0055] In one exemplary embodiment, such as Figure 14 As shown, a second grill rack 300 is provided with a second grill wire 310, which includes an outer grill wire 313 and an inner grill wire 311. The outer grill wire 313 has an opening 314, and the inner grill wire 311 is disposed above the opening 314 and overlaps with the outer grill wire 313. Figure 1 As shown, the second baking rack 310 includes a rectangular outer baking rack 313 and a circular inner baking rack 311. The outer baking rack 313 has an opening 314 at its center. The inner baking rack 311 overlaps the outer baking rack 313 and covers the area of ​​the opening 314. When changing the charcoal or repairing the heating source, the inner baking rack 311 can be removed without removing the entire second baking rack 310. In this way, the outer baking rack 313 can be fixedly connected to the second baking rack 300. When reinstalling the inner baking rack 311, it is only necessary to put the inner baking rack 311 back into the position of the opening 314. The operation requires low precision, thereby improving the convenience of oven maintenance.

[0056] In an exemplary embodiment, the outer baking rack 313 includes a first outer baking rack 313 and a second outer baking rack 313, which are symmetrically arranged on the second baking rack 300. As shown in the figure, the first and second outer baking racks 313 are rectangular structures with notches. The notches of the first and second outer baking racks 313 are arranged opposite to each other, so that the two notches form an opening 314. The symmetrical structure of the first and second outer baking racks 313 constitutes the outer baking rack 313, which is more convenient for mass production and installation positioning.

[0057] In an exemplary embodiment, the inner baking rack 311 includes an overlapping portion 312, the overlapping portion 312 at least partially overlapping the projection of the outer baking rack 313 in the vertical direction. If the size of the inner baking rack 311 is larger than the size of the opening 314, the position of the inner baking rack 311 will be higher than the outer baking rack 313, affecting the uniformity of baking. If the size of the inner baking rack 311 is exactly equal to the size of the opening 314, the precision requirements during installation are increased. When the size of the inner baking rack 311 is smaller than the size of the opening 314, the overlapping portion 312 can be provided on the inner baking rack 311 so that the projection of the overlapping portion 312 in the vertical direction at least partially overlaps with that of the outer baking rack 313. This allows the inner baking rack 311 to be stably placed on the outer baking rack 313. Furthermore, by reasonably setting the shape and size of the overlapping portion 312, the inner baking rack 311 and the outer baking rack 313 can be placed on the same plane, thereby ensuring the uniformity of baking and the convenience of installation.

[0058] In an exemplary embodiment, the oven body 100 is provided with a support frame inside for supporting the second grill 300 when it is pulled out. The support frame can be located near the oven outlet. When the second grill 300 is pulled out to the end of the slide rail, it may tend to tilt downwards due to gravity. By providing the support frame, the second grill 300 can be kept horizontal, preventing food from slipping or the second grill 300 from deforming.

[0059] In one exemplary embodiment, the upper surface of the second grill 300 is provided with a stop 320 and a handle 330. The handle 330 is located on the side of the second grill 300 near the oven outlet, providing a leverage point for pulling the second grill 300 and improving operational convenience. When pulling or pushing the second grill 300, the food placed on it may slide or roll. The stop 320 prevents the food from accidentally rolling off. The stop 320 can be provided only on one edge near the inner wall of the oven to prevent food from sliding off due to inertia during the sliding process.

[0060] In an exemplary embodiment, a first grill rack 210 is provided on the first grill rack 200, and the first grill rack 210 is detachably connected to the first grill rack 200.

[0061] In one exemplary embodiment, an oven is provided, including a top rack and a sliding rack. The sliding rack includes an upper rack, a grill wire rack, a lower rack, and locking screws. The lower rack has two support blocks connected by welding for positioning and fixing. Each side of the upper rack has rivet screws, and the locking screws are installed in the rivet screws but not locked. When the user needs to pull out the sliding rack, the upper rack is pulled out. Because the upper rack has the locking screws as guide posts, it slides linearly out in the guide groove of the lower rack. When it slides to the desired position, it can be locked in place with the locking screws. When food is placed on the rack for baking, due to uneven heating between the upper and lower racks, the food on the sliding rack, which is closer to the heat source, is cooked first. To prevent overcooking, the user can pull out the already cooked food from the sliding rack. Because the sliding rack is pulled out, the food is away from the heat source, while the food on the upper rack continues to bake before it is fully cooked. Because there are no sliding rails to obstruct the heat flow, food on the upper rack cooks much faster. The ovens described above allow for flexible use of both the upper and lower racks, efficiently cooking food while preventing overcooking. When food on the sliding rack needs reheating, simply push the upper rack gently into the oven to continue heating.

[0062] 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.

[0063] 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. An oven, characterized in that, include: A furnace body (100) is provided with a heating source inside the furnace body (100); A first grill (200) is disposed above the heating source and fixedly connected to the oven body (100), wherein the first grill (200) and the projection of the heating source in the vertical direction at least partially overlap; The second grill (300) is disposed between the first grill (200) and the heating source. The second grill (300) is connected to the oven body (100) and can slide relative to the oven body (100) between a first preset position and a second preset position. When the second grill (300) is in the first preset position, the projections of the first grill (200), the second grill (300) and the heating source in the vertical direction at least partially overlap. When the second grill (300) is in the second preset position, the projections of the second grill (300) and the heating source in the vertical direction at least partially do not overlap, and the projections of the second grill (300) and the first grill (200) in the vertical direction do not overlap.

2. The oven according to claim 1, characterized in that, The second grill (300) is slidably connected to the oven body (100) via a support and guide assembly. The support and guide assembly includes a grill support frame (400) and a guide member. The grill support frame (400) is fixedly connected to the oven body (100). The guide member is slidably connected to the grill support frame (400) and fixedly connected to the second grill (300).

3. The oven according to claim 2, characterized in that, The grill support frame (400) has a groove (410) along the sliding direction of the second grill (300), and the guide is slidably disposed in the groove (410).

4. The oven according to claim 3, characterized in that, The guide is disposed on the side of the second grill (300) parallel to the sliding direction, and is located at the end or middle of the side near the inner side of the oven body (100).

5. The oven according to claim 3, characterized in that, The guide includes a rivet screw and a locking screw (500). The rivet screw is fixedly connected to the second grill (300), and the rivet screw has a threaded hole. The locking screw (500) slides in the groove (410) and passes through the groove (410) to be threadedly connected to the rivet screw.

6. The oven according to claim 3, characterized in that, The oven rack support frame (400) is provided with a positioning block (420) on the side wall opposite to the inner wall of the oven body (100) and perpendicular to the extension direction of the slide groove (410). The inner wall of the oven body (100) is provided with a positioning groove corresponding to the positioning block (420).

7. The oven according to claim 1, characterized in that, The second grill (300) is provided with a second grilling net (310), which includes an outer grilling net (313) and an inner grilling net (311). The outer grilling net (313) has an opening (314), and the inner grilling net (311) is disposed on the opening (314) and overlaps with the outer grilling net (313).

8. The oven according to claim 7, characterized in that, The outer baking rack (313) includes a first outer baking rack and a second outer baking rack, which are symmetrically arranged on the second baking rack (300).

9. The oven according to claim 7, characterized in that, The inner baking rack (311) includes an overlap (312) that at least partially overlaps with the projection of the outer baking rack (313) in the vertical direction.

10. The oven according to claim 1, characterized in that, The oven body (100) is provided with a support frame inside for supporting the second grill (300) when the second grill (300) is pulled out.

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