Cooking container and electric pressure cooker with same

Abstract

The utility model relates to the technical field of food heating and cooking, and provides a cooking container and an electric pressure cooker with the same, the cooking container comprises a pot body assembly, the pot body assembly comprises an inner pot and an outer shell sleeved on the outer side of the inner pot, the inner side of the inner pot is provided with a cooking cavity, and an electric cavity is formed between the inner pot and the outer shell. The electric cavity is provided with a heating assembly used for heating the cooking cavity, and the shell is provided with an exhaust and pressure relief assembly communicated with the electric cavity so that exhaust can be conducted through the exhaust and pressure relief assembly when the air pressure in the electric cavity rises. The electric cavity provided with the heating assembly is provided with the exhaust channel used for being communicated with the outside air, so that in the food cooking and heating process of the cooking container under the action of the heating assembly, if the air pressure in the electric cavity is too large, the inner pot and the outer shell are heated, and the heating effect is ensured. The exhaust channel of the electric cavity can not cause heat expansion between the inner pot and the shell, and can ensure the balance of air pressure inside and outside the electric cavity.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field for heating cooking food, concretely relates to a cooking container and the electric pressure cooker with the container. BACKGROUND

[0002] The existing cooking container and heating body are arranged as a whole structure, and the cooking container generally includes an inner pot and a shell, and the space between the inner pot and the shell is used for placing a heating disc and a heating pipe. When the cooking container cooks food, the heating of the heating pipe will cause the space between the inner pot and the shell to expand due to heat, so that if there is no exhaust structure between the inner pot and the shell, the heat expansion will be formed between the inner pot and the shell, and further, the deformation phenomenon will be caused between the inner pot and the shell.

[0003] Therefore, further improvement is needed. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of cooking container, exhaust passage for connecting outside air is equipped on the electrical cavity with heating assembly, ensure that cooking container in the heating assembly under the action of food cooking heating process, if the air pressure in electrical cavity is too large, make the heat expansion between inner pot and shell, through the exhaust passage of electrical cavity will not cause the heat expansion between inner pot and shell, the exhaust passage of electrical cavity can ensure that the air pressure balance inside and outside electrical cavity.

[0005] A cooking container designed for this purpose includes a pot body assembly, which includes an inner pot and a shell that is fitted outside the inner pot. The inner side of the inner pot is provided with a cooking cavity. The inner pot and the shell form an electrical cavity therebetween. The electrical cavity is provided with a heating assembly for heating the cooking cavity. The shell is provided with an exhaust pressure relief assembly that is in communication with the electrical cavity, so that when the air pressure inside the electrical cavity rises, the exhaust pressure relief assembly can be used to exhaust air.

[0006] The shell is provided with a mounting groove portion in communication with the electrical cavity. The exhaust pressure relief assembly includes a first sealing member, which is arranged in the mounting groove portion. The first sealing member is provided with an exhaust hole portion, which is in communication with the electrical cavity.

[0007] The exhaust hole portion is a fine hole with a diameter of 0.1mm to 3mm.

[0008] The mounting groove portion is provided with an assembly hole portion that is in communication with the electrical cavity and the exhaust hole portion.

[0009] The exhaust pressure relief assembly further comprises a fastener arranged on the mounting groove portion, the fastener is limited on the assembly hole portion of the mounting groove portion, the fastener is encapsulated in the mounting groove portion through the first sealing element, the fastener and the assembly hole portion of the mounting groove portion are clearance fit and form an exhaust gap, the electrical cavity, the exhaust gap and the exhaust hole portion are sequentially communicated, and the exhaust gap and the exhaust hole portion form an exhaust passage for communicating outside air on the electrical cavity.

[0010] The first sealing element is provided with a clearance concave position corresponding to the head of the fastener, a gasket is arranged on the fastener, and the gasket is limited between the head of the fastener and the assembly hole portion; an installation gap for accommodating the gasket is arranged between the end portion of the first sealing element and the assembly hole portion of the mounting groove portion.

[0011] The first sealing element is further provided with an air outlet passage, one end of the air outlet passage is communicated with the exhaust gap, the other end of the air outlet passage is communicated with the exhaust hole portion, the exhaust hole portion is communicated with outside air, and the inner diameter of the air outlet passage gradually decreases along the direction close to the exhaust hole portion; the inner diameter of the exhaust hole portion gradually increases along the exhaust direction.

[0012] The mounting groove portion is provided with a stepped assembly hole portion in the mounting groove portion, and the mounting groove portion is provided with a positioning step, the first sealing element includes a cylindrical rubber plug portion, the top of the first sealing element is inserted into the mounting groove portion, and the rubber plug portion of the first sealing element is positioned and mounted on the positioning step.

[0013] The shell is fixed to the inner pot to form a pot assembly with the shell and the inner pot;

[0014] The mounting groove portion is provided with a stepped assembly hole portion in the mounting groove portion, and the mounting groove portion is provided with a positioning step, the first sealing element includes a cylindrical rubber plug portion, the top of the first sealing element is inserted into the mounting groove portion, and the rubber plug portion of the first sealing element is positioned and mounted on the positioning step.

[0015] The heating assembly comprises a heating disc fixed to the outer bottom wall of the inner pot and a heating pipe connected with the heating disc, the heating disc is provided with a connecting column portion corresponding to the mounting groove portion, the connecting column portion is arranged downwardly extending towards the mounting groove portion, and the fastener is inserted into the mounting groove portion and the connecting column portion to connect the shell and the heating assembly;

[0016] The mounting groove portion is upwardly protrudingly arranged on the inner cavity bottom wall of the shell;

[0017] The heating assembly is provided with a temperature sensor for detecting the temperature of the heating assembly and a fixing plate for the temperature sensor;

[0018] The second sealing element is arranged between the inner cavity of the shell and the outer side of the inner pot, the second sealing element is close to the top inner side position arranged between the shell and the inner pot, and the inner pot is provided with a hooked edge for pressing and engaging the top edge of the shell.

[0019] The electrical cavity is internally provided with an upper coupler, and the upper coupler comprises an upper coupler shell, and the upper coupler shell is provided with a mounting opening for mounting the upper coupler with the bottom wall of the shell;

[0020] A third sealing member is arranged between the upper coupler shell and the mounting opening to seal the fitting gap between the upper coupler and the mounting opening of the shell;

[0021] The upper coupler is electrically connected with the heat generating assembly.

[0022] A pressure cooker designed for the purpose comprises a base provided with a lower coupler, and the cooking container described above is placed on the base, and the lower coupler of the base is coupled and connected with the upper coupler of the cooking container.

[0023] The beneficial technical effects of the utility model are as follows:

[0024] By arranging the exhaust passage for communicating with the outside air on the electrical cavity provided with the heat generating assembly, if the air pressure in the electrical cavity is too large, and the thermal expansion occurs between the inner pot and the shell, the exhaust passage of the electrical cavity will not cause the thermal expansion between the inner pot and the shell, and the exhaust passage of the electrical cavity can ensure the air pressure balance inside and outside the electrical cavity. BRIEF DESCRIPTION OF DRAWINGS

[0025] The utility model will be further described in detail in combination with the drawings and specific embodiments.

[0026] Figure 1 It is a three-dimensional sectional structure schematic view of the cooking container of an embodiment of the utility model.

[0027] Figure 2 It is Figure 1 It is an enlarged view of A in the middle.

[0028] Figure 3 It is an assembly and disassembly structure schematic view of the cooking container of an embodiment of the utility model.

[0029] Figure 4 It is a three-dimensional structure schematic view of the heat generating assembly of an embodiment of the utility model.

[0030] Figure 5 It is an assembly and disassembly structure schematic view of the upper coupler shell and the third sealing member of an embodiment of the utility model.

[0031] Figure 6 It is a three-dimensional structure schematic view of the bottom of the shell of an embodiment of the utility model.

[0032] Figure 7 It is a three-dimensional structure schematic view of the first sealing member of an embodiment of the utility model.

[0033] Figure 8 It is a sectional structure schematic view of another orientation of the cooking container according to an embodiment of the present application.

[0034] Figure 9 It is a sectional structure schematic view of another orientation of the cooking container according to an embodiment of the present application. Figure 8 It is an enlarged view of B.

[0035] Figure 10 It is a sectional structure schematic view of another orientation of the cooking container according to an embodiment of the present application. Figure 8 It is an enlarged view of C.

[0036] Figure 11 It is a sectional structure schematic view of another orientation of the cooking container according to an embodiment of the present application.

[0037] Figure 12 It is a sectional structure schematic view of another orientation of the cooking container according to an embodiment of the present application. Figure 11 It is an enlarged view of D. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. In order to make the above purposes, features and advantages of the present application more obvious and easy to understand, many specific details are described in the following description so as to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the content of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0039] Referring to Figures 1-12 A cooking container comprises a pot body assembly 2, the pot body assembly 2 comprises an inner pot 6 and an outer shell 7 sleeved outside the inner pot 6, the inner side of the inner pot 6 is provided with a cooking cavity 1, the inner pot 6 and the outer shell 7 form an electrical cavity 3, the electrical cavity 3 is provided with a heating assembly 4 for heating the cooking cavity 1, the outer shell 7 is provided with an exhaust pressure relief assembly 26 communicated with the electrical cavity 3, so that the exhaust pressure relief assembly 26 can be used for exhausting when the internal pressure of the electrical cavity 3 is increased.

[0040] The exhaust passage 5 of the electrical cavity 3 can ensure the balance of the internal and external pressure of the electrical cavity 3, so as to ensure that the cooking container is not caused to form thermal expansion between the inner pot 6 and the outer shell 7 when the inner pot 6 and the outer shell 7 are caused to expand due to thermal expansion under the action of the heating assembly 4 during the cooking and heating process of the food in the cooking container.

[0041] The outer shell 7 is provided with a mounting groove part 8 communicated with the electrical cavity 3, the exhaust pressure relief assembly 26 comprises a first sealing member 9, the first sealing member 9 is arranged in the mounting groove part 8, the first sealing member 9 is provided with an exhaust hole part 11, the exhaust hole part 11 is communicated with the electrical cavity 3;

[0042] The exhaust hole part 11 is a fine hole with a diameter of 0.1mm to 3mm. When the cooking container is cleaned, the exhaust hole part 11 with a small inner diameter can avoid too much liquid from entering the electrical cavity 3. It can be understood that the exhaust hole part 11 with a small inner diameter is sealed by using the water tension, and the user generally opens a small-flow water faucet when cleaning the cooking container.

[0043] The mounting groove part 8 is provided with an assembly hole part 28 that communicates the electrical cavity 3 and the exhaust hole part 11.

[0044] The exhaust pressure relief assembly 26 further includes a fastener 27 arranged on the mounting groove part 8, the fastener 27 is limited on the assembly hole part 28 of the mounting groove part 8, the fastener 27 is encapsulated in the mounting groove part 8 by the first sealing member 9, the fastener 27 and the assembly hole part 28 of the mounting groove part 8 are clearance fit and form an exhaust gap 10, the electrical cavity 3, the exhaust gap 10 and the exhaust hole part 11 are sequentially communicated, and the exhaust gap 10 and the exhaust hole part 11 form an exhaust passage 5 that communicates the outside air on the electrical cavity 3.

[0045] The first sealing member 9 is provided with a clearance concave position 9.1 corresponding to the head of the fastener 27, the fastener 27 is provided with a gasket 29, the gasket 29 is limited between the head of the fastener 27 and the assembly hole part 28; the first sealing member 9 is provided with a mounting gap 9.2 for accommodating the gasket 29 between the end and the assembly hole part 28 of the mounting groove part 8.

[0046] In this embodiment, the gasket 29, the fastener 27 and the assembly hole part 28 are hard connected, cannot realize sealing, and exist a ventilation gap, so when the air pressure of the electrical cavity 3 rises, the gas in the electrical cavity 3 can enter the exhaust hole part 11 through the gap between the gasket 29 and the inner top wall of the assembly hole part 28. Alternatively, the skilled person in the art can provide a through hole on the gasket 29 that communicates the exhaust hole part 11.

[0047] The first sealing member 9 is further provided with an exhaust passage 12, one end of the exhaust passage 12 communicates the exhaust gap 10, the other end of the exhaust passage 12 communicates the exhaust hole part 11, the exhaust hole part 11 communicates the outside air, and the inner diameter of the exhaust passage 12 gradually decreases along the direction close to the exhaust hole part 11; the inner diameter of the exhaust hole part 11 gradually increases along the exhaust direction. The gas in the electrical cavity 3 can be discharged when the electrical cavity 3 expands during the heating process of the cooking container, and the gas in the electrical cavity 3 can be discharged when the internal air pressure of the electrical cavity 3 rises.

[0048] The mounting groove part 8 is provided with a stepped assembly hole part 28, the mounting groove part 8 is provided with a positioning step 13, the first sealing member 9 includes a cylindrical rubber plug part 14, the top of the first sealing member 9 is inserted into the mounting groove part 8, and the rubber plug part 14 of the first sealing member 9 is positioned and mounted on the positioning step 13.

[0049] The shell 7 is fixed to the inner pot 6 to form an integrated pot assembly 2;

[0050] The shell 7 is provided with a mounting groove 8 on the bottom wall of the inner cavity, and the mounting groove 8 is provided with a fastener 27, and the shell 7 is connected with the heating assembly 4 or the inner pot 6 through the fastener 27;

[0051] The heating assembly 4 includes a heating disc 17 fixed to the outer bottom wall of the inner pot 6, and a heating pipe 18 connected with the heating disc 17, and the heating disc 17 is provided with a connecting column 19 corresponding to the mounting groove 8, and the connecting column 19 is arranged downwardly extending towards the mounting groove 8, and the fastener 27 is inserted into the mounting groove 8 and the connecting column 19 to connect the shell 7 with the heating assembly 4;

[0052] The mounting groove 8 is upwardly protrudingly arranged on the bottom wall of the inner cavity of the shell 7;

[0053] The heating assembly 4 is provided with a temperature sensor 24 for detecting the temperature of the heating assembly 4, and a fixing plate 25 for the temperature sensor 24;

[0054] The temperature sensor 24 can avoid dry burning phenomenon, and the heating assembly 4 can stop heating when the temperature of the heating assembly 4 is too high.

[0055] The second sealing member 15 is arranged between the inner cavity of the shell 7 and the outer side of the inner pot 6, which can prevent external water vapor from entering the electrical cavity 3 through the installation gap between the inner pot 6 and the shell 7.

[0056] The second sealing member 15 is arranged close to the top inner side between the shell 7 and the inner pot 6; and the inner pot 6 is provided with a hook edge 16 on the top edge for pressing and engaging the top edge of the shell 7.

[0057] The electrical cavity 3 is provided with an upper coupler 20, and the upper coupler 20 includes an upper coupler shell 21, and the upper coupler shell 21 is provided with a mounting opening 22 on the bottom wall of the shell 7 for mounting the upper coupler 20;

[0058] The third sealing member 23 is arranged between the upper coupler shell 21 and the mounting opening 22 to seal the fitting gap between the upper coupler 20 and the mounting opening 22 of the shell 7;

[0059] The upper coupler 20 is electrically connected with the heating assembly 4, and the temperature sensor 24 is electrically connected with the upper coupler 20, and the electrical components can be conductively connected through wires or metal.

[0060] A kind of electric pressure cooker, including the base with lower coupler, also including above-mentioned cooking container, cooking container is placed on base, and the lower coupler of base is coupled with the upper coupler 20 of cooking container Connection.The socket of power cord is provided on the base;Power cord one end is inserted into the socket, and the plug of power cord other end is inserted into the three-pole or two-pole socket of power socket.

[0061] In the embodiment, the sealing groove for installing the third sealing member 23 is provided on the upper coupler shell 21, and the third sealing member 23 is annular structure and is matched with the shape of the sealing groove.

[0062] In the embodiment, the heating disc 17 is fixed on the inner pot 6 by screw or welding, and the mounting groove part 8 of the shell 7 is connected with the connecting column part 19 of the heating disc 17 by screw fastener 27, so that the heating disc 17 is fixed between the shell 7 and the inner pot 6, and the first sealing member 9 is arranged on the mounting groove part 8, so that the external water vapor can be prevented from entering the electric cavity 3 along the mounting groove part 8.

[0063] In the embodiment, the top opening edge of the inner pot 6 is higher than the part of the shell 7 by bending to form the hook edge 16.

[0064] In the embodiment, the second sealing member 15 is annular structure and is sleeved on the outer side of the inner pot 6, and the second sealing member 15 is provided with the sealing convex rib abutting on the inner cavity of the shell 7.

[0065] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc.

[0066] In the above description of the present application, it is to be understood that, if there appear the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0067] In addition, if the terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, if the term "multiple" appears, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0068] In the above description of the present application, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connecting", "fixing" and the like appear, these terms should be broadly understood. For example, it can be fixedly connected by screws, rivets or welding, etc., or it can be detachably connected, or it can be integrated by metal processing (die casting, deep drawing stamping, lathe machining, etc.), or it can be integrated by injection molding; 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, or it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0069] In the above description of the present application, unless otherwise explicitly specified and limited, if the first feature appears "on" or "under" the second feature or similar description, it can mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0070] It is to be understood that the terms "fixed" and "set" with respect to one element on another element mean that the element can be directly on the other element or intervening elements can also be present. In addition, the term "connected" and / or "coupled" to one element to another element means that the elements can be directly connected to one another or intervening elements can also be present. As used herein, the terms "vertical", "horizontal", "up", "down", "left", "right", and the like as can be used in this description and / or the appended claims are made only for the purpose of illustration and not as a limitation.

Claims

1. A cooking vessel characterized by: The application relates to a cooking pot assembly, which comprises a pot body assembly (2), the pot body assembly (2) comprises an inner pot (6) and a shell (7) sleeved outside the inner pot (6), the inner side of the inner pot (6) is provided with a cooking cavity (1), an electric cavity (3) is formed between the inner pot (6) and the shell (7), the electric cavity (3) is provided with a heating assembly (4) for heating the cooking cavity (1), the shell (7) is provided with an exhaust pressure relief assembly (26) communicated with the electric cavity (3), so that the exhaust pressure relief assembly (26) can be used for exhausting air when the internal air pressure of the electric cavity (3) is increased.

2. The cooking vessel of claim 1, wherein: The shell (7) is provided with a mounting groove (8) communicated with the electric cavity (3), the exhaust pressure relief assembly (26) comprises a first sealing piece (9), the first sealing piece (9) is arranged in the mounting groove (8), the first sealing piece (9) is provided with an exhaust hole (11), and the exhaust hole (11) is communicated with the electric cavity (3).

3. The cooking vessel of claim 2, wherein: The mounting groove (8) is provided with an assembly hole (28) communicated with the electric cavity (3) and the exhaust hole (11).

4. The cooking vessel of claim 3, wherein: The exhaust pressure relief assembly (26) further comprises a fastener (27) arranged on the mounting groove (8), the fastener (27) is limited on the assembly hole (28) of the mounting groove (8), the fastener (27) is encapsulated in the mounting groove (8) through the first sealing piece (9), the fastener (27) and the assembly hole (28) of the mounting groove (8) are in clearance fit and form an exhaust gap (10), the electric cavity (3), the exhaust gap (10) and the exhaust hole (11) are sequentially communicated, and the exhaust gap (10) and the exhaust hole (11) form an exhaust channel (5) communicated with external air on the electric cavity (3).

5. The cooking vessel of claim 4, wherein: The first sealing piece (9) is provided with a clearance avoiding recess (9.1) corresponding to the head of the fastener (27), the fastener (27) is provided with a gasket (29), and the gasket (29) is limited between the head of the fastener (27) and the assembly hole (28); the first sealing piece (9) is provided with a mounting gap (9.2) for accommodating the gasket (29) between the end and the assembly hole (28) of the mounting groove (8). The exhaust hole (11) is a fine hole with a diameter of 0.1mm to 3mm.

6. The cooking vessel of claim 4, wherein: The first sealing piece (9) is further provided with an air outlet channel (12), one end of the air outlet channel (12) is communicated with the exhaust gap (10), the other end of the air outlet channel (12) is communicated with the exhaust hole (11), the exhaust hole (11) is communicated with external air, and the inner diameter of the air outlet channel (12) gradually decreases along the direction close to the exhaust hole (11); the inner diameter of the exhaust hole (11) gradually increases along the exhaust direction.

7. The cooking vessel of claim 2, wherein: The mounting groove (8) is provided with a stepped assembly hole (28), the mounting groove (8) is provided with a positioning step (13), the first sealing piece (9) comprises a cylindrical rubber plug part (14), the top of the first sealing piece (9) is inserted into the mounting groove (8), and the rubber plug part (14) of the first sealing piece (9) is positioned and mounted on the positioning step (13).

8. The cooking vessel of claim 1, wherein: The shell (7) is fixedly connected to the inner pot (6) to form an integrated pot body assembly (2). The bottom wall of the inner cavity of the shell (7) is provided with a mounting groove (8), and the mounting groove (8) is provided with a fastener (27); the shell (7) is connected with the heating assembly (4) or the inner pot (6) through the fastener (27); The heating assembly (4) comprises a heating disc (17) fixed on the bottom wall outside the inner pot (6), and a heating pipe (18) connected with the heating disc (17); the heating disc (17) is provided with a connecting column (19) corresponding to the mounting groove (8), the connecting column (19) is arranged to extend downward towards the mounting groove (8), and the fastener (27) is inserted into the mounting groove (8) and the connecting column (19), so that the shell (7) is connected with the heating assembly (4); The mounting groove (8) is arranged to protrude upward on the bottom wall of the inner cavity of the shell (7); The heating assembly (4) is provided with a temperature sensor (24) for detecting the temperature of the heating assembly (4), and a fixing plate (25) for the temperature sensor (24); The inner cavity of the shell (7) and the outer side of the inner pot (6) are provided with a second sealing element (15), which is arranged close to the top inner side between the shell (7) and the inner pot (6); and the top edge of the inner pot (6) is provided with a hook edge (16) for pressing and engaging the top edge of the shell (7).

9. The cooking vessel of claim 8, wherein: The electrical cavity (3) is provided with an upper coupler (20), which comprises an upper coupler housing (21), and the upper coupler housing (21) is provided with a mounting opening (22) for mounting the upper coupler (20) on the bottom wall of the shell (7); The upper coupler housing (21) and the mounting opening (22) are provided with a third sealing element (23) to seal the cooperation gap between the upper coupler (20) and the mounting opening (22) of the shell (7); The upper coupler (20) is electrically connected with the heating assembly (4).

10. An electric pressure cooker comprising a base provided with a lower coupling, characterized in that: The cooking container of any one of claims 1-9 is placed on the base, and the lower coupler of the base is coupled and connected with the upper coupler (20) of the cooking container.

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