Cooking equipment

Abstract

The utility model discloses cooking equipment, which belongs to the field of cooking equipment, solves the problem of larger heat loss of steaming layer components, and adopts the technical scheme that the cooking equipment mainly comprises a base and a plurality of steaming layer components, a steam generator is arranged in the base, and cooking cavities are formed between the steaming layer components and the base and between two adjacent steaming layer components; the steaming layer assembly comprises a steamer and a steaming rack, the steamer comprises an outer shell and an inner shell, the steaming rack is in sealed connection with the top end of the outer shell, the inner shell is provided with a containing cavity with a downward opening, the inner shell is located in the outer shell, the bottom of the inner shell is in sealed connection with the outer shell, and a sealed cavity is defined by the steaming rack, the inner shell and the outer shell; and the sealing cavity is filled with a thermal insulation material. The utility model is mainly used for reducing the heat loss of the cooking cavity by filling the thermal insulation material on the peripheral side of the cooking cavity.

Description

TECHNICAL FIELD

[0001] The utility model discloses a kind of cooking equipment, belong to cooking equipment technical field. BACKGROUND

[0002] With the development and promotion of small household appliances industry, cooking equipment is loved by consumers due to its advantages of easy to carry, fast heating and multiple functions; The cooking equipment usually includes a base and a pot assembly, a steam generator is provided in the base, a steam inlet assembly is provided between the base and the pot assembly, after the cooking equipment is started, the steam generator generates high-temperature steam, the high-temperature steam enters the cooking cavity of the pot assembly through the steam inlet assembly, and the high-temperature steam heats the food in the cooking cavity to realize the cooking of the food.

[0003] In the prior art, the pot assembly usually includes a steaming rack, a steaming tray and a steaming cage, the steaming tray is placed on the steaming rack, and the steaming cage is covered on the steaming rack, and the cooking cavity is formed between the steaming rack and the steaming cage. However, the side wall of the steaming cage is relatively thin, and the heat in the cooking cavity will be directly dissipated to the outside through the side wall of the steaming cage, resulting in a relatively obvious temperature drop of the cooking cavity, which causes a relatively large heat loss of the cooking cavity, and further affects the heating efficiency of the steam on the food. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of cooking equipment, and the purpose is to solve the problem of relatively large heat loss of steaming layer assembly, and provide a kind of cooking equipment, by filling heat-insulating material on the outer circumferential side of cooking cavity, reduce the heat loss of cooking cavity.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A kind of cooking equipment, including base and several steaming layer assemblies, steam generator is provided in the base, and the cooking cavity is formed between the base and the steaming layer assembly and between adjacent two steaming layer assemblies, the steaming layer assembly includes steaming cage and steaming rack, the steaming cage includes outer shell body and inner shell body, and the steaming rack is sealingly connected with the top end of outer shell body, the inner shell body has the accommodating cavity of downward open, the inner shell body is in the inside of outer shell body, and the bottom of inner shell body is sealingly connected with outer shell body, and the sealing cavity is formed between steaming rack, inner shell body and outer shell body, and heat-insulating material is filled in the sealing cavity.

[0007] The beneficial effects of the utility model are as follows:

[0008] The utility model discloses a steamer, which comprises an outer shell body, an inner shell body, a steaming rack, a cooking cavity and a sealing cavity, wherein the steaming rack is sealingly connected to the top end of the outer shell body, the inner shell body is located inside the outer shell body and sealingly connected to the bottom of the outer shell body, the cooking cavity is located on the inner side of the inner shell body, the steaming rack, the inner shell body and the outer shell body are arranged around the outer periphery of the cooking cavity to form the sealing cavity, and the sealing cavity is filled with thermal insulation material.

[0009] Preferably, the bottom end of the inner shell body is provided with an outwardly extending flange, the bottom of the outer shell body is provided with a support platform for supporting the flange, a sealing member is mounted on the support platform, and the flange and the support platform are sealingly connected through the sealing member. By adopting the foregoing technical scheme, the support platform and the flange can increase the length of the gap between the outer shell body and the inner shell body, reduce the possibility of steam leakage between the support platform and the flange, and reduce heat loss. In addition, the sealing member is installed between the support platform and the flange to keep the support platform and the flange in sealing cooperation, thereby significantly increasing the sealing performance between the outer shell body and the inner shell body.

[0010] Preferably, the support platform is provided with a positioning groove, the sealing member is provided with a limiting rib for plug-in cooperation with the positioning groove, and the limiting rib is embedded in the positioning groove to realize the installation of the sealing member and the support platform. By adopting the foregoing technical scheme, the limiting rib and the positioning groove can position the sealing member on the support platform, reduce the possibility of position deviation of the support platform, make the installation of the sealing member more stable and reliable, and also enhance the sealing of the flange and the support platform. In addition, the mutual cooperation of the limiting rib and the positioning groove can also reduce the installation difficulty of the sealing member and improve the assembly efficiency of the sealing member.

[0011] Preferably, the surface of the sealing member facing the flange is provided with a convex rib, and the flange extrudes the convex rib to realize the sealing cooperation between the sealing member and the flange. By adopting the foregoing technical scheme, after the outer shell body and the inner shell body are installed, the flange extrudes the convex rib of the sealing member, so that the flange and the convex rib are closely attached, thereby improving the sealing performance of the flange and the sealing member, effectively preventing steam from entering the sealing cavity, and reducing heat loss in the cooking cavity.

[0012] Preferably, the steaming rack is provided with an upwardly open juice receiving groove, the bottom wall of the juice receiving groove abuts against the top end of the inner shell, and the inner shell is limited between the steaming rack and the support table. With the foregoing technical scheme, the juice receiving groove can store the condensed water and juice of the food in the cooking cavity, and can effectively prevent the condensed water and juice from flowing randomly. In addition, the steaming rack abuts against the inner shell, so that the inner shell is fixed between the steaming rack and the support table, which can make the connection between the inner shell and the outer shell more firm and stable, and can also save the fastener for fixing the inner shell, so that the integrity of the inner shell is maintained, which helps to improve the sealing performance of the sealed cavity. Furthermore, the force of the steaming rack on the inner shell is transmitted to the convex edge of the inner shell, so that the convex edge has a downward pressure on the sealing element, so that the sealing element is deformed, and the sealing element, the convex edge and the support table are more closely attached, thereby further improving the sealing performance between the convex edge and the support table, effectively preventing steam from entering the sealed cavity, and reducing the heat loss in the cooking cavity.

[0013] Preferably, the edge of the bottom wall of the juice receiving groove abuts against the top end of the heat preservation material, and the heat preservation material is limited between the steaming rack and the convex edge. With the foregoing technical scheme, the bottom wall of the juice receiving groove of the steaming rack abuts against the heat preservation material, that is, the bottom wall of the juice receiving groove presses the heat preservation material on the convex edge, so that the heat preservation material is fixed, the possibility of shaking of the heat preservation material is reduced, and the shaking of the heat preservation material is avoided to make the user perceive the existence of the heat preservation material, so that the steaming rack and the heat preservation material have better integrity. In addition, the steaming rack can fix the heat preservation material, so that the fastener for fixing the heat preservation material can be saved, the fixing difficulty of the heat preservation material is reduced, and the sealed cavity can have better sealing performance.

[0014] Preferably, the bottom of the outer shell is provided with a plurality of steam outlets penetrating through the outer shell, and the steam outlets are located on the lower side of the support table. With the foregoing technical scheme, the steam outlets are located on the lower side of the support table, and after the steam enters the cooking cavity, it first reaches the top of the cooking cavity and then flows back to the steam outlets. In this process, the steam in the cooking cavity can be fully stirred, so that the steam can fully contact the food in the cooking cavity, thereby fully and uniformly heating the food, effectively improving the heating efficiency of the food. In addition, the steam outlets are arranged on the lower side of the support table, that is, the steam outlets can avoid the sealed cavity, so that the outer periphery of the cooking cavity is still surrounded by the sealed cavity, and the heat preservation material in the sealed cavity can have better heat preservation effect, thereby slowing down the heat loss in the cooking cavity.

[0015] As preferred, the top end of the outer shell is provided with a positioning rib protruding upward, and a stepped surface is formed by the top end surface of the outer shell and the positioning rib, and the bottom end of the steamer is sealingly connected with the stepped surface. By the above technical scheme, the positioning rib can position the steamer, so that the steamer and the outer shell are more quickly and simply assembled, and the assembly efficiency of the steamer and the outer shell is improved; in addition, the steamer is positioned by the positioning rib, so that the steamer and the outer shell have better sealing performance after being connected, and the steamer and the outer shell cannot be sealingly connected due to position deviation of the steamer.

[0016] As preferred, the positioning rib is located at the inner side of the steamer. By the above technical scheme, the outer peripheral side of the steamer and the outer peripheral side of the outer shell can be kept flat, so that the steamer and the outer shell have better integrity, and the appearance of the steaming assembly can be significantly improved.

[0017] As preferred, the steaming assembly further comprises a steaming tray, the steaming tray is located at the lower side of the outer shell, the steaming tray is provided with a stepped portion, the bottom of the outer shell is provided with a support rib extending downward, and the support rib abuts against the stepped portion; or the uppermost steaming assembly comprises a steaming tray and a pot cover, the steaming tray is placed on the top of the lower steaming assembly, and the pot cover is covered on the steaming tray.

[0018] Other features and advantages of the present application will be described in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The present application will be further described below with reference to the drawings:

[0020] Figure 1 It is an exploded view of the cooking equipment of the present application;

[0021] Figure 2 It is a sectional view of the cooking equipment of the present application;

[0022] Figure 3 It is a structural schematic view of the steaming assembly in the cooking equipment of the present application;

[0023] Figure 4 It is an exploded view of the steaming assembly in the cooking equipment of the present application;

[0024] Figure 5 It is a sectional view of the steaming assembly in the cooking equipment of the present application;

[0025] Figure 6 It is Figure 5 It is a local enlarged view of part A in the figure;

[0026] Figure 7 It is a structural schematic view of the outer shell in the cooking equipment of the present application.

[0027] Fig. 1 is a base; 21 is a steamer; 211 is an inner shell; 2111 is a convex edge; 212 is an outer shell; 2121 is a steam outlet; 2122 is a positioning rib; 2123 is a supporting rib; 2124 is a supporting table; 2125 is a positioning groove; 22 is a steaming rack; 221 is a juice collecting groove; 222 is a steam inlet; 223 is a bottom wall; 23 is a steaming tray; 231 is a ventilation hole; 24 is a steam inlet channel; 25 is a pot cover; 26 is a sealing cavity; 27 is a cooking cavity; 28 is a heat preservation material; 29 is a sealing element; 291 is a limiting rib; 292 is a convex rib; 3 is a steam inlet assembly; 4 is a water tank. DETAILED DESCRIPTION

[0028] The technical solutions of the embodiments of the utility model will be explained and described below in combination with the drawings of the embodiments of the utility model. However, the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0029] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0030] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly limited.

[0031] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] Embodiment one:

[0033] As Figures 1 to 6 shown in the embodiment, a cooking device is provided, which comprises a base 1 and a plurality of steaming layer assemblies. The base 1 is provided with a steam generator. The steaming layer assemblies are provided with cooking cavities 27 for placing food. The base 1 is connected with steam inlet assemblies 3 for delivering steam to the steaming layer assemblies and water tanks 4 for providing water source for the steam generator. The steaming layer assemblies are provided with steam inlet channels 24 connected with the steam inlet assemblies 3. The steaming layer assemblies are provided with steam inlet openings for installing the steam inlet channels 24. One end of the steam inlet assemblies 3 is connected with the steam generator, and the other end is sealingly connected with the steam inlet channels 24. When the cooking device is started, the steam generator generates high-temperature steam. The high-temperature steam is delivered to the cooking cavities 27 of the steaming layer assemblies through the steam inlet assemblies 3 and the steam inlet channels 24. The high-temperature steam heats the food in the cooking cavities 27 to achieve the cooking effect.

[0034] As Figure 1 and Figure 2 shown in the embodiment, the cooking device is provided with three steaming layer assemblies. The steaming layer assemblies include a lower steaming layer assembly, a middle steaming layer assembly and a top steaming layer assembly. The top steaming layer assembly includes a steaming tray 23 and a pot cover 25. The lower steaming layer assembly and the middle steaming layer assembly include the steaming tray 23, a steaming cage 21 and a steaming rack 22. The upper surface of the base 1 is provided with a juice receiving disc for placing the steaming tray 23. The juice receiving disc is concave to form a juice receiving groove 221. The edge of the juice receiving disc is provided with a stepped portion. The stepped portion is formed at the groove opening edge of the juice receiving groove 221. The steaming tray 23 of the lower steaming layer assembly is positioned on the juice receiving disc through the stepped portion. The steaming tray 23 is positioned in cooperation with the stepped portion, thereby reducing the shaking amplitude of the steaming tray 23 and making the installation of the steaming tray 23 more stable and reliable. The steaming tray 23 provides stable support for the placement of food. The steaming cage 21 of the lower steaming layer assembly is stacked on the steaming tray 23 and covers the steaming tray 23. In addition, the steaming tray 23 is provided with a plurality of air holes 231, thereby keeping the space above and below the steaming tray 23 in communication to form the cooking cavity 27 between the inside of the steaming cage 21 and the juice receiving disc. In addition, the steaming rack 22 of the lower steaming layer assembly is fixed to the top end of the steaming cage 21. The steaming rack 22 is provided with an upwardly open juice receiving groove 221. The steaming rack 22 is provided with a stepped portion for placing the steaming tray 23 of the middle steaming layer assembly. The structure of the middle steaming layer assembly is the same as that of the lower steaming layer assembly. The steaming tray 23 of the top steaming layer assembly is placed on the steaming rack 22 of the middle steaming layer assembly. The pot cover 25 is covered on the steaming tray 23. The pot cover 25 and the steaming rack 22 of the middle steaming layer assembly form the cooking cavity 27.

[0035] It should be noted that in other embodiments, the number of steaming layer assemblies can be one or two or more than three. In addition, the top steaming layer assembly can also have the same structure as the lower steaming layer assembly, i.e. the top steaming layer assembly includes the steaming tray 23, the steaming cage 21 and the steaming rack 22. The top end of the steaming rack 22 of the top steaming layer assembly can not be provided with the juice receiving groove 221.

[0036] AsFigure 2 As shown, the steamer 21 in the embodiment comprises an outer shell 212 and an inner shell 211, the steaming rack 22 is sealingly connected to the top end of the outer shell 212, the inner shell 211 has a downwardly open accommodating cavity, the inner shell 211 is inside the outer shell 212, and the bottom of the inner shell 211 is sealingly connected to the outer shell 212, the steaming rack 22, the inner shell 211 and the outer shell 212 together form a sealed cavity 26, and the sealed cavity 26 is filled with the heat preservation material 28; it should be noted that the heat preservation material 28 in the embodiment is heat preservation cotton.

[0037] The steamer 21 in the embodiment comprises an outer shell 212 and an inner shell 211, the steaming rack 22 is sealingly connected to the top end of the outer shell 212, the inner shell 211 is inside the outer shell 212, and the bottom of the inner shell 211 is sealingly connected to the outer shell 212, the steaming rack 22, the inner shell 211 and the outer shell 212 together form a sealed cavity 26, and the sealed cavity 26 is filled with the heat preservation material 28; it should be noted that the heat preservation material 28 in the embodiment is heat preservation cotton.

[0038] As shown in the drawings, Figure 4 and Figure 5As shown, the steamer rack 22 and the steamer cage 21 in the embodiment are plastic parts, the middle part of the steamer rack 22 is provided with a juice receiving groove 221 which is open upward, the groove edge of the juice receiving groove 221 forms a step part, the side edge of the step part extends downward to form the side wall of the steamer rack 22, the bottom end of the side wall of the steamer rack 22 is placed on the top end surface of the outer shell 212, the side wall of the steamer rack 22 and the outer shell 212 are formed by the four side walls, of course, the outer shell 212 can also be annular, the top end of the outer shell 212 is connected and sealed by ultrasonic welding, in addition, the inner shell 211 is inside the outer shell 212, the top of the inner shell 211 is closed and the bottom is open, thereby forming a downwardly open containing cavity inside the inner shell 211, the containing cavity is part of the cooking cavity 27, the bottom end of the inner shell 211 is provided with an outwardly extending convex edge 2111, the bottom of the outer shell 212 is provided with a support table 2124 which extends inwardly and is used to support the convex edge 2111, the support table 2124 is installed with a sealing element 29, the convex edge 2111 and the support table 2124 are connected and sealed by the sealing element 29, that is, when the steamer cage 21 and the steamer rack 22 are assembled, first, the sealing element 29 is placed on the support table 2124, then the inner shell 211 is placed into the inner part of the outer shell 212 from the top of the outer shell 212, and the sealing element 29 is extruded by the convex edge 2111, finally, the steamer rack 22 is covered on the top of the outer shell 212, and the bottom end of the steamer rack 22 and the top end of the outer shell 212 are connected and sealed by ultrasonic welding, so that the sealed cavity 26 between the steamer rack 22, the outer shell 212 and the inner shell 211 has higher sealing performance; secondly, the cooperation of the support table 2124 and the convex edge 2111 can increase the length of the gap between the outer shell 212 and the inner shell 211, and increase the possibility of steam leakage between the support table 2124 and the convex edge 2111; in addition, the sealing element 29 is installed between the support table 2124 and the convex edge 2111, so that the support table 2124 and the convex edge 2111 are sealed and cooperated, thereby significantly increasing the sealing performance between the outer shell 212 and the inner shell 211, effectively preventing steam from entering the sealed cavity 26, and reducing the heat loss in the cooking cavity 27.

[0039] As Figure 5As shown, the top end of the outer shell 212 is provided with a positioning rib 2122 protruding upward in the embodiment, and the top end surface of the outer shell 212 cooperates with the positioning rib 2122 to form a stepped surface, the side wall of the steamer rack 22 abuts against the stepped surface, and the positioning rib 2122 is located at the inner side of the steamer rack 22, so that the side wall of the steamer rack 22 and the side wall of the outer shell 212 can be kept flat, the steamer rack 22 and the outer shell 212 have better integrity, and the aesthetic degree of the steaming layer assembly can be significantly improved; in addition, the positioning rib 2122 can position the steamer rack 22, so that the assembly of the steamer rack 22 and the outer shell 212 is faster and simpler, and the assembly efficiency of the steamer rack 22 and the outer shell 212 is improved; in addition, the steamer rack 22 and the outer shell 212 are connected after being positioned by the positioning rib 2122, and have better sealing performance, so that the steamer rack 22 and the outer shell 212 cannot be connected in a sealed manner due to position deviation.

[0040] As shown, Figure 6 In the embodiment, the supporting table 2124 is provided with a positioning groove 2125 recessed downward on one side close to the side wall of the outer shell 212, and the bottom of the sealing element 29 is provided with a limiting rib 291 extending downward, so that the limiting rib 291 of the sealing element 29 is embedded in the positioning groove 2125 after the sealing element 29 is placed on the supporting strip, the limiting rib 291 and the positioning groove 2125 are positioned and cooperated, the sealing element 29 is positioned on the supporting table 2124, the possibility of position deviation of the supporting table 2124 is reduced, the installation of the sealing element 29 is more stable and reliable, and the sealing between the convex edge 2111 and the supporting table 2124 is enhanced; in addition, the installation difficulty of the sealing element 29 is reduced by the cooperation of the limiting rib 291 and the positioning groove 2125, and the assembly efficiency of the sealing element 29 is improved.

[0041] In order to enhance the sealing performance between the sealing element 29 and the convex edge 2111, the upper surface of the sealing element 29 is provided with a convex rib 292 protruding upward in the embodiment, the convex edge 2111 of the inner shell 211 is pressed on the sealing element 29 after the inner shell 211 is installed into the inner side of the outer shell 212, the steamer rack 22 acts on the inner shell 211 after the steamer rack 22 and the outer shell 212 are connected in a sealed manner, the inner shell 211 can be kept close to the sealing element 29, the convex rib 292 is deformed under the action of the convex edge 2111 of the inner shell 211 at this time, the convex edge 2111 and the convex rib 292 are kept close to each other, and the sealing performance between the convex edge 2111 and the sealing element 29 is improved.

[0042] As shown, Figure 4 and Figure 5As shown, the bottom wall 223 of the juice receiving groove 221 abuts against the top end of the inner shell 211 in this embodiment, so when the steamer rack 22 is fixed with the outer shell 212, the steamer rack 22 limits the inner shell 211 through the bottom wall 223 of the juice receiving groove 221, so that the inner shell 211 is limited between the steamer rack 22 and the support table 2124. The inner shell 211 is fixed between the steamer rack 22 and the support table 2124 through the abutment of the steamer rack 22 to the inner shell 211, which can make the connection of the inner shell 211 and the outer shell 212 more stable and firm, and can also save the fixation of the inner shell 211 by fasteners, so that the integrity of the inner shell 211 is maintained, which helps to improve the sealing performance of the sealed cavity 26. In addition, the force of the steamer rack 22 on the inner shell 211 is transmitted to the convex edge 2111 of the inner shell 211, so that the convex edge 2111 has a downward pressure on the sealing member 29 to make the sealing member 29 deform, and thus the sealing member 29 and the convex edge 2111, and the sealing member 29 and the support table 2124 can be more closely attached, thereby further improving the sealing performance between the convex edge 2111 and the support table 2124.

[0043] In addition, the edge of the steaming tray 23 in this embodiment is also provided with a stepped portion, and the bottom of the outer shell 212 is provided with a downwardly extending support rib 2123, the top end of which is connected to the inner side of the support table 2124. Taking the lower steaming layer assembly as an example, after the lower steaming layer assembly is installed, the edge of the steaming tray 23 is placed on the stepped portion of the juice receiving tray, the bottom end of the side wall of the outer shell 212 abuts against the top end of the edge of the juice receiving tray, and the support rib 2123 extends into the juice receiving tray and abuts against the stepped portion of the steaming tray 23, so that the steaming tray 23 is limited between the juice receiving tray and the outer shell 212, further improving the positioning stability of the steaming tray 23 and reducing the possibility of the steaming tray 23 shaking. In addition, the abutment of the outer shell 212 with the juice receiving tray and the steaming tray 23 can effectively reduce the leakage of steam from between the outer shell 212 and the juice receiving tray, which helps to improve the utilization rate of steam heat and the heating efficiency of the cooking equipment.

[0044] The bottom of the outer shell 212 is provided with a plurality of steam outlets 2121 penetrating the outer shell 212, the steam outlets 2121 are located at the lower side of the support table 2124, the steam entering the cooking cavity 27 first reaches the top of the cooking cavity 27, and then flows back downward to the steam outlets 2121, in this process, the steam in the cooking cavity 27 can be fully stirred, so that the steam can fully contact the food in the cooking cavity 27, thereby the food can be fully and uniformly heated, and the heating efficiency of the food is effectively improved; in addition, the steam outlets 2121 are arranged at the lower side of the support table 2124, that is, the steam outlets 2121 can avoid the sealing cavity 26, so that the outer periphery of the cooking cavity 27 is still surrounded by the sealing cavity 26, so that the heat preservation material 28 in the sealing cavity 26 can have a better heat preservation effect, and the heat loss in the cooking cavity 27 is slowed down.

[0045] Of course, it needs to be explained that the top layer steaming layer assembly does not include the steaming basket 21, the cooking cavity 27 is formed by the pot cover 25 and the steaming rack 22 of the middle layer steaming layer assembly, and the steam outlets 2121 can be arranged on the top wall or the side wall of the pot cover 25.

[0046] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and those skilled in the art should understand that the present application includes but is not limited to the contents described in the above specific embodiments and the drawings. Any modification without deviating from the function and structural principle of the present application shall be included in the scope of the claims.

Claims

1. A cooking apparatus comprising a base and a plurality of steaming deck assemblies, the base having a steam generator disposed therein, the steaming deck assemblies and the base defining a cooking cavity therebetween, and adjacent steaming deck assemblies defining a cooking cavity therebetween, the steaming deck assemblies comprising a steaming cage and a steaming rack, characterised in that, The steamer comprises an outer shell and an inner shell, the steaming rack is sealingly connected to the top end of the outer shell, the inner shell has a downwardly open accommodating cavity, the inner shell is located inside the outer shell, and the bottom of the inner shell is sealingly connected to the outer shell, a sealed cavity is formed between the steaming rack, the inner shell and the outer shell, and the sealed cavity is filled with heat preservation material.

2. A cooking apparatus according to claim 1, wherein The bottom end of the inner shell is provided with an outwardly extending flange, the bottom of the outer shell is provided with a support table for supporting the flange, a sealing element is mounted on the support table, and the flange and the support table are sealingly connected through the sealing element.

3. A cooking apparatus according to claim 2, wherein The support table is provided with a positioning groove, and the sealing element is provided with a limiting rib for plug-in cooperation with the positioning groove, the limiting rib is embedded in the positioning groove to realize the installation of the sealing element and the support table.

4. The cooking apparatus according to claim 2, wherein The surface of the sealing element facing the flange is provided with a convex rib, and the flange extrudes the convex rib to realize the sealing cooperation of the sealing element and the flange.

5. The cooking apparatus of claim 2, wherein, The steaming rack is provided with an upwardly open juice receiving groove, the bottom wall of the juice receiving groove abuts against the top end of the inner shell, and the inner shell is limited between the steaming rack and the support table.

6. A cooking apparatus according to claim 5, wherein The edge of the bottom wall of the juice receiving groove abuts against the top end of the heat preservation material, and the heat preservation material is limited between the steaming rack and the flange.

7. The cooking apparatus of claim 2, wherein The bottom of the outer shell is provided with a plurality of steam outlets penetrating the outer shell, and the steam outlets are located on the lower side of the support table.

8. The cooking apparatus of claim 1, wherein, The top end of the outer shell is provided with an upwardly protruding positioning rib, the top end surface of the outer shell cooperates with the positioning rib to form a stepped surface, and the bottom end of the steaming rack is sealingly connected to the stepped surface.

9. A cooking apparatus according to claim 8, wherein The positioning rib is located on the inner side of the steaming rack.

10. The cooking apparatus of claim 1, wherein, The steaming layer assembly further comprises a steaming disc, the steaming disc is located on the lower side of the outer shell, the steaming disc is provided with a stepped portion, the bottom of the outer shell is provided with a downwardly extending support rib, and the support rib abuts against the stepped portion; or, the uppermost steaming layer assembly comprises a steaming disc and a pot cover, the steaming disc is placed on the top of the lower steaming layer assembly, and the pot cover is covered on the steaming disc.

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