Detachable cover assembly, cover body and cooking utensil

Abstract

The utility model discloses a detachable cover assembly, a cover body and a cooking utensil, the detachable cover assembly comprises a cover plate seat, a cover plate, a steam channel assembly and a fixed cover, and the cover plate is provided with a steam passing part through hole; the steam channel assembly is arranged on the same side of the cover plate base and the cover plate in a striding mode and comprises a channel bottom shell, and the channel bottom shell is provided with a steam passing part. The fixed cover is arranged on the other side, opposite to the steam channel assembly, of the cover plate; and the steam passing part and the fixed cover are connected at the steam passing part passing hole so as to be located on the two sides of the cover plate respectively. According to the application, the fixed cover and the channel bottom shell have more connecting parts and larger connecting area, so that the fixed cover and the channel bottom shell can be connected more firmly and reliably, and the channel bottom shell is firmly and reliably connected to the cover plate; the contact area between the fixing cover and the cover plate is large, local deformation of the cover plate can be effectively avoided, and the product quality and the overall appearance of the inner side of the cover body are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of kitchen appliances, in particular to a detachable cover assembly, a cover body and a cooking appliance. BACKGROUND

[0002] The existing cooking appliance such as electric rice cooker, etc. generally has a detachable cover assembly and a steam passage assembly for forming a steam passage in the cover body, and the steam passage assembly is located on the upper side of the detachable cover assembly. The two assemblies are independent of each other and are fixedly connected by rivets. Generally, the cover plate and the cover plate seat on the detachable cover assembly need to be rivet-connected with the corresponding parts of the steam passage assembly, so that the steam passage assembly is fixed.

[0003] However, the rivet is arranged at the cover plate and is prone to loosening after long-term use, resulting in unstable connection of the steam passage assembly; the cover plate is relatively thin, generally a thin stainless steel plate, and the rivet connection is prone to cause local deformation of the cover plate, affecting the product quality and the appearance of the inner side of the cover body. In addition, the sealing at the rivet connection is not ideal, and steam is prone to entering the cover body from the rivet connection, causing gas leakage, resulting in moisture of the electrical components inside the cover plate and safety hazards.

[0004] Therefore, there is a need for a detachable cover assembly, a cover body and a cooking appliance to at least partially solve the above problems. SUMMARY

[0005] A series of simplified concepts are introduced in the summary part of the application, which will be further described in detail in the detailed description part. The summary part of the application does not mean to try to limit the key features and necessary technical features of the claimed technical solution, nor to try to determine the protection scope of the claimed technical solution.

[0006] To at least partially solve the above problems, the present application provides a detachable cover assembly for a cooking appliance, comprising:

[0007] a cover plate seat;

[0008] a cover plate connected to the cover plate seat, the cover plate being provided with a steam passage passing hole;

[0009] a steam passage assembly, the steam passage assembly being arranged on the same side of the cover plate seat and the cover plate, the steam passage assembly comprising a passage bottom shell; and

[0010] a fixing cover arranged on the other side of the cover plate opposite to the steam passage assembly;

[0011] wherein the passage bottom shell and the fixing cover are connected at the steam passage passing hole to be respectively located on both sides of the cover plate.

[0012] According to the scheme, the fixed cover is used to fix the cover plate and the channel bottom shell together; compared with the fasteners such as rivets, the connection between the fixed cover and the channel bottom shell is more and the connection area is larger, so the two can be more firmly and reliably connected, thereby firmly and reliably connecting the channel bottom shell to the cover plate; moreover, the contact area between the fixed cover and the cover plate is larger, and in the process of installation, the pressure of the fixed cover on the cover plate is more dispersed, so that local deformation of the cover plate can be effectively avoided, and the overall appearance of the product quality and the inside of the cover body can be improved.

[0013] The fixed cover can be made of different materials or individually designed according to the needs of the user. Different components of the detachable cover assembly are designed according to the functions to be performed and the effects to be achieved, among which the surface of the cover plate is required to be made of food-grade stainless steel as the top surface of the cooking cavity, and in addition, the surface is also the visible surface after the cooking utensil is opened. The cooking steam and cooking steam passageways are designed in the relatively small area of the visible surface, which can improve the user's experience in the structure design.

[0014] Optionally, the steam passing part is provided on the channel bottom shell near the steam passing hole and protrudes towards the cover plate; the fixed cover is provided with a limiting opening and includes a fixed cover body formed around the limiting opening; the fixed cover body extends through the steam passing hole, and the steam passing part passes through the limiting opening and is combined with the fixed cover body. According to the scheme, the protruding steam passing part can be closer to the lower recess of the cooking area formed by the cover plate, and the steam passing part can be limited at the limiting opening to avoid horizontal movement of the channel bottom shell relative to the cover plate. The connection structure between the fixed cover and the steam passing part is more stable and reliable.

[0015] Optionally, the fixed cover further includes a fixed cover flange extending from the fixed cover body in a direction away from the center line of the fixed cover, the fixed cover body extends into the steam passing hole and is connected with the steam passing part, and the abutting surface on the fixed cover flange abuts against the edge of the steam passing hole. According to the scheme, the flange part of the fixed cover is below the edge of the steam passing hole, which can provide upward supporting force to the cover plate, and the fixed flange is in surface contact with the cover plate, the contact area is large, and the supporting force is more stable and reliable.

[0016] Optionally, the steam passing part is provided with a steam passing opening for communicating the steam passage in the steam passage assembly with the cooking cavity; the part of the steam passing part provided with the steam passing opening is arranged in the limiting opening and connected with the fixed cover body. According to the scheme, the cooking steam passes through the steam passing opening of the steam passing part to supply steam to the cooking cavity, and the part provided with the steam passing opening is matched with the fixed cover, so that the size of the fixed cover can be designed smaller, which occupies less area of the cover plate.

[0017] Optionally, the steam passing portion comprises a steam passing base and a steam passing limiting portion, the steam passing limiting portion protrudes downward from the steam passing base and extends into the limiting opening, and the steam passing base or the steam passing limiting portion is connected with the fixed cover body. According to the scheme, the steam passing limiting portion is in the limiting opening, so that it can be limited at the limiting opening and avoid horizontal movement of the channel bottom shell relative to the cover plate; the steam passing base is connected with the fixed cover body in an up-down manner, or the circumferential side of the steam passing limiting portion is connected with the fixed cover body.

[0018] Optionally, the cover body further comprises a steam passing area sealing member, which is arranged between the cover plate and the steam passing portion, or arranged between the edge of the steam passing portion through hole and the channel bottom shell. According to the scheme, the steam passing area sealing member can prevent steam from entering the inside of the cover body between the cover plate and the steam passing portion, thereby avoiding the safety hazard caused by the electrical devices in the cover plate being wet, improving the sealing effect of assembly and the use safety of the product while ensuring the reliability of assembly.

[0019] Optionally, the steam passing portion is provided with a limiting groove with a notch downward, and the steam passing area sealing member is located in the limiting groove. According to the scheme, the limiting groove can prevent the steam passing area sealing member from moving, so that the steam passing area sealing member can maintain close contact with the cover plate, and the sealing effect is better.

[0020] Optionally, the fixed cover is welded, threadedly connected or connected through a fastener with the steam passing portion. According to the scheme, in the welding mode, the connection between the cover plate and the channel bottom shell is more firm and reliable, and the product has a long service life; in the threaded connection mode, the fixed cover can be detached from the cover plate, so that the fixed cover can be cleaned or replaced; in the fastener connection mode, the connection is more firm and reliable, and the fixed cover can be detached from the cover plate, so that the fixed cover can be replaced.

[0021] Optionally, the steam passing portion is a flange-shaped protruding portion which extends into or through the steam passing portion through hole. According to the scheme, the flange surface can abut against the edge of the steam passing portion through hole, and the protruding portion can be limited in the steam passing portion through hole, so that the steam passing portion can be stably retained on the cover plate.

[0022] Optionally, the cover plate is made of a metal material, and / or the channel bottom shell is made of a non-metal material, and / or the fixed cover is made of a non-metal material. According to the scheme, the metal cover plate is fixed by the fixed cover, which can more effectively avoid local deformation of the metal cover plate; the non-metal channel bottom shell is easy to manufacture in connection with the fixed cover, and has low material and manufacturing cost; the non-metal fixed cover can avoid scratches on the cover plate during installation, and the connection structure with the channel bottom shell is easy to manufacture, and has low material and manufacturing cost.

[0023] Optionally, the channel bottom shell exceeds the rear portion of the cover plate in at least the longitudinal direction, and the steam passage is located at the front end portion of the channel bottom shell in the longitudinal direction. According to this solution, the steam passage assembly can be better designed to utilize the space in the longitudinal direction to arrange the steam passage with a longer extension path, so that the steam passage assembly is miniaturized in the longitudinal direction, and the portion of the steam passage assembly on the cover plate is smaller in size and occupies a smaller area.

[0024] Optionally, the cover plate seat is connected with the outer periphery of the cover plate, and the cover plate seat comprises a seat support portion protruding from the rear portion of the cover plate, and the channel bottom shell is arranged across the cover plate and the seat support portion. According to this solution, the channel bottom shell is fixed with the cover plate and the cover plate seat, so that the channel bottom shell is firmly and reliably fixed on the detachable cover assembly. In addition, a portion of the steam passage extends in the region of the cover body corresponding to the cooking cavity, and another portion of the steam passage extends outside the region of the cover body corresponding to the cooking cavity, so that the steam passage can extend to the rear portion of the cover body. The steam passage assembly can be better designed to utilize the space outside the cooking region in the rear portion of the cover body to arrange the steam passage with a longer extension path, so as to reduce the area ratio of the steam passage assembly on the cover plate.

[0025] Optionally, the steam passage assembly further comprises a channel top plate located on the upper side of the channel bottom shell and capable of being covered to the channel bottom shell, and the channel top plate and the channel bottom shell form the steam passage therebetween. According to this solution, the channel bottom shell and the channel top plate are both independent components, and the steam passage is constructed with components independent of the cover plate, the cover body and other components, so that the steam passage can be manufactured with materials different from the cover plate, the cover body and other components, and the components surrounding the steam passage can be manufactured with food-grade materials separately, thereby reducing the manufacturing cost.

[0026] Optionally, the steam passage comprises a cooking steam supply passage and / or a cooking steam exhaust passage, and the steam passage port comprises a cooking steam outlet communicating with the cooking steam supply passage and / or a cooking steam inlet communicating with the cooking steam exhaust passage. According to this solution, the channel bottom shell can form the cooking steam supply passage and / or the cooking steam exhaust passage; in the solution of the cooking steam supply passage, high-temperature steam can be delivered into the cooking cavity to heat and moisten the food in the cooking cavity; in the solution of the cooking steam exhaust passage, the steam in the cooking cavity can be exhausted via the cooking steam exhaust passage to avoid excessive steam pressure in the cooking cavity.

[0027] Optionally, the channel bottom shell is provided with a steam connection port for communicating with the steam generating device of the pot body, the steam connection port communicates with the cooking steam supply passage, and the channel bottom shell exceeds the rear portion of the cover plate in at least the transverse direction, and the steam connection port is located at the side end portion of the channel bottom shell in the transverse direction. According to this solution, the position of the steam connection port can be corresponded with the steam generating device in the pot body up and down, and steam enters the steam connection port from bottom to top, so that the steam path between the steam connection port and the steam generating device is short and straight.

[0028] Optionally, the channel top plate is provided with a steam outlet communicated with the cooking steam discharging channel. According to the scheme, the steam outlet on the channel top plate is closer to the cover body, so that the steam outlet is more easily communicated with the steam discharging channel of the cover body.

[0029] Optionally, the channel top plate or the channel bottom shell is provided with a steam receiving port for receiving steam from the steam generating device. According to the scheme, the steam receiving port on the channel top plate is suitable for upper steam inlet, and the steam receiving port on the channel bottom shell is suitable for lower steam inlet. The structure of the steam channel assembly is not limited by the position of the steam generating device. Whether the steam generating device is on the cover body or the pot body, the structure of the steam channel assembly is applicable.

[0030] According to another aspect of the present application, a cover body of a cooking utensil is provided with the detachable cover assembly of any of the above aspects.

[0031] According to an alternative aspect of the present application, a cover body of a cooking utensil is provided, wherein the bottom side of the cover body is fixedly connected with a cover plate, and the cover plate is provided with a steam passing hole; and the cover body is further provided with:

[0032] a steam channel assembly, which comprises a channel bottom shell;

[0033] a fixed cover, which is arranged on the other side of the cover plate opposite to the steam channel assembly;

[0034] wherein the channel bottom shell and the fixed cover are connected at the steam passing hole to be arranged on both sides of the cover plate, respectively.

[0035] According to the scheme, the steam channel assembly is fixedly connected with the cover plate through the fixed cover and is arranged on the cover body in a non-detachable manner. Compared with a fastener such as a rivet, the connection between the fixed cover and the channel bottom shell has more connection parts and a larger connection area, so that the two parts can be more firmly and reliably connected to firmly and reliably connect the channel bottom shell to the cover plate. Furthermore, the contact area between the fixed cover and the cover plate is larger, and the pressure of the fixed cover on the cover plate is more dispersed during installation, so that local deformation of the cover plate can be effectively avoided, and the overall appearance of the product quality and the inner side of the cover body can be improved.

[0036] Optionally, the steam passing part is arranged on the part of the channel bottom shell close to the steam passing hole and protrudes towards the cover plate. The fixed cover is provided with a limiting opening and comprises a fixed cover body formed around the limiting opening. The fixed cover body extends through the steam passing hole, and the steam passing part passes through the limiting opening and is combined with the fixed cover body. According to the scheme, the protruding steam passing part can be closer to the part of the cover plate forming the cooking area, and the steam passing part can be limited at the limiting opening to avoid horizontal movement of the channel bottom shell relative to the cover plate. The connection structure between the fixed cover and the steam passing part is more stable and reliable.

[0037] Optionally, the fixed cover further comprises a fixed cover flange extending from the fixed cover body in a direction away from the center line of the fixed cover, the fixed cover body extending into the steam passage and connected with the steam passage, and a fitting surface on the fixed cover flange abutting against the edge of the steam passage. According to the scheme, the flange part of the fixed cover is below the edge of the steam passage, which can provide upward support force to the cover plate, and the fixed flange is in surface contact with the cover plate, the contact area is large, and the support force is more stable and reliable.

[0038] Optionally, the steam passage is provided with a steam passage opening for communicating the steam passage in the steam passage assembly with the cooking cavity; and the part of the steam passage provided with the steam passage opening is arranged in the limiting opening and connected with the fixed cover body. According to the scheme, the steam in the cooking cavity is supplied through the steam passage opening of the steam passage, and the part provided with the steam passage opening is matched with the fixed cover, so that the size of the fixed cover can be designed smaller, which occupies less area of the cover plate.

[0039] Optionally, the side of the cover body provided with the opening mechanism is the front side of the cover body, and the side of the cover body away from the opening mechanism is the rear side of the cover body, and the cover body further comprises a top heating device, the top heating device is located on the upper side of the cover plate and close to the front side of the cover body, and the steam passage assembly is arranged on the rear side of the cover body. According to the scheme, the cooking appliance has the function of top heat radiation heating, and the heat generated by the top heat source can be radiated to the food in the cooking cavity to heat the food from the top side; the steam flows from the rear side of the cooking cavity, and the top heating device can occupy more area of the cover body corresponding to the cooking cavity on the top side to transmit heat to the cooking cavity in a large area, thereby improving the heating efficiency and effect.

[0040] Optionally, the top heating device is an electric heating device, an electromagnetic heating device or an infrared heating device for radiating infrared rays to the cooking cavity. According to the scheme, the electric heating device is simple and has low manufacturing cost; the electromagnetic heating device has high heat efficiency, is more energy-saving than the electric heating, and has fast heating speed, so that the object can be quickly heated to the required temperature; the infrared heating can effectively heat the surface food and make the food evenly heated, thereby stimulating the aroma of the food.

[0041] Optionally, the top heating device comprises a radiation plate and a heating assembly for heating the radiation plate, the radiation plate radiates infrared rays to the cooking cavity after being heated, wherein the cover plate is provided with a through hole for the infrared rays to pass through, and the lower surface of the radiation plate exposed from the through hole forms the top surface of the cooking cavity; or the cover plate is at least partially light-transmissive so that the infrared rays can pass through. According to the scheme, the radiation plate is relatively hard and not easy to be damaged, so that no additional structure needs to be designed for protection, thereby the cover body assembly is simple in structure and low in cost; in the scheme that the cover plate is provided with the through hole, the temperature of the radiation plate itself is relatively high, which can effectively avoid the condensate water on the lower surface of the radiation plate; in the scheme that the cover plate is at least partially light-transmissive, the radiation plate is shielded by the cover plate, the structure of the inner side of the cover body is simple, and the overall appearance of the inner side of the cover body is better.

[0042] According to another aspect of this application, a cooking appliance is provided, which is provided with a detachable lid assembly according to any of the above aspects, or the cooking appliance includes a lid and a pot body according to any of the above aspects, wherein the lid is detachably disposed on the pot body to form a cooking cavity between the lid and the pot body.

[0043] According to this solution, a fixed cover with a limiting opening is used in the cover body to fix the cover plate and the channel bottom shell together. Compared with fasteners such as rivets, the fixed cover and the channel bottom shell have more connecting parts and a larger connecting area, so the two can be connected more firmly and reliably, thereby firmly and reliably connecting the channel bottom shell to the cover plate. Furthermore, the contact area between the fixed cover and the cover plate is larger, and the pressure of the fixed cover on the cover plate is more dispersed during installation, which can effectively avoid local deformation of the cover plate, improve product quality and the overall appearance of the inner side of the cover.

[0044] Optionally, the cooking appliance also includes a steam generator, which generates supplementary steam and is located on the lid or pot body, thereby supplying the supplementary steam into the cooking cavity via a steam channel assembly. According to this solution, high-temperature steam can be delivered into the cooking cavity to heat and moisten the food inside, preventing it from drying out and turning yellow, and improving its texture. Attached Figure Description

[0045] The following drawings, which are incorporated herein by reference and used to understand this application, illustrate embodiments of the application and their descriptions, thereby explaining the principles of the application.

[0046] In the attached image:

[0047] Figure 1 A perspective view of a cooking appliance according to this application, wherein the lid is in a closed state;

[0048] Figure 2 for Figure 1 Another perspective view of the cooking appliance shown, with the lid in the open position;

[0049] Figure 3 for Figure 1 An exploded 3D view of the cooking utensils shown;

[0050] Figure 4 for Figure 1 A cross-sectional view of the cooking appliance shown, wherein the tangent of the section is parallel to the line connecting the center line extending in the front-back direction of the lid and the center line of the supplementary steam supply channel.

[0051] Figure 5 for Figure 1 Another sectional view of the cooking appliance shown, wherein the tangent of the section is parallel to the center line extending in the front-back direction of the lid;

[0052] Figure 6 Fig. 1 is a perspective view of a cooking appliance according to the present application; Figure 5 Fig. 2 is an enlarged view of the portion A in Fig. 1;

[0053] Figure 7 Fig. 3 is a perspective view of a top heating device and a cover body according to the present application; Figure 5 Fig. 4 is an exploded perspective view of the top heating device and the cover body shown in Fig. 3;

[0054] Figure 8 Fig. 5 is a perspective view of a steam passage assembly and a detachable cover assembly according to the present application; Figure 5 Fig. 6 is an exploded perspective view of the steam passage assembly and the detachable cover assembly shown in Fig. 5;

[0055] Figure 9 Fig. 7 is a perspective view of the steam passage assembly and the detachable cover assembly shown in Fig. 5; Figure 5 Fig. 8 is another exploded perspective view of the steam passage assembly and the detachable cover assembly shown in Fig. 5;

[0056] Figure 10 Fig. 9 is a perspective view of the steam passage assembly and the detachable cover assembly shown in Fig. 5; Figure 5 Fig. 10 is a plan view of the steam passage assembly and the detachable cover assembly shown in Fig. 5, with the passage top plate removed;

[0057] Figure 11 Fig. 11 is a bottom view of the steam passage assembly and the detachable cover assembly shown in Fig. 5; Figure 5 Fig. 12 is a sectional view of the steam passage assembly and the detachable cover assembly shown in Fig. 5;

[0058] Figure 12 Fig. 13 is a sectional view of the steam passage assembly and the detachable cover assembly shown in Fig. 5, at a fixed cover; Figure 5 Fig. 14 is a sectional view of the steam passage assembly and the detachable cover assembly shown in Fig. 5, at a fixed cover;

[0059] Figure 13 Fig. 15 is a plan view of the steam passage assembly and the detachable cover assembly shown in Fig. 5, with the passage top plate removed; Figure 5 Fig. 16 is a sectional view of the steam passage assembly and the detachable cover assembly shown in Fig. 5, at a fixed cover;

[0060] Figure 14 Fig. 17 is another exploded perspective view of the steam passage assembly and the detachable cover assembly shown in Fig. 5; Figure 5 Fig. 18 is a perspective view of the steam passage assembly shown in Fig. 5;

[0061] Figure 15 Fig. 19 is a sectional view of the steam passage assembly shown in Fig. 5; Figure 5 Fig. 20 is a sectional view of the steam passage assembly shown in Fig. 5, at a fixed cover;

[0062] Figure 16 Fig. 21 is a plan view of the steam passage assembly shown in Fig. 5, with the passage top plate removed; Figure 15 Fig. 22 is a sectional view of the steam passage assembly shown in Fig. 5, at a fixed cover;

[0063] Figure 17 Fig. 23 is a sectional view of the steam passage assembly shown in Fig. 5, at a fixed cover; Figure 12 Fig. 24 is a sectional view of the cover body at a fixed cover shown in Fig. 5.

[0064] BRIEF DESCRIPTION OF THE DRAWINGS

[0065] 1 cooking appliance 2 pot body

[0066] 3 cover body 4 inner pot

[0067] 5 inner pot heating device 6 pivot shaft

[0068] 7 pot sealing ring 8 cover body

[0069] 9 inner liner 10 face cover assembly

[0070] 11 user interaction area 12 torsion spring

[0071] 13 removable cover assembly 14 cover plate

[0072] 15 cover plate seat 16 housing

[0073] 17 middle plate 18 base

[0074] 20 inner liner through hole 21 cover plate through hole

[0075] 22 support portion 23 open sealing ring

[0076] 24 pressing ring 25 protruding portion

[0077] 26 recessed portion 27 steam valve

[0078] 28 steam sealing element 29 seat support portion

[0079] 30 make-up steam docking cover 31 make-up steam docking sealing element

[0080] 32 steam passing portion passing hole 33 fixed cover

[0081] 34 steam passing area sealing element 35 limiting opening

[0082] 36 fixed cover body 37 fixed cover flange

[0083] 40 steam generating device 41 water container

[0084] 42 water container heating device 45 make-up steam inlet

[0085] 46b rear end portion 47 cylindrical wall

[0086] 50 temperature measuring device 51 temperature measuring element

[0087] 100 top heating device 110 radiation plate

[0088] 111 avoidance notch 120 heating assembly

[0089] 130 peripheral portion sealing ring 140 fixing element

[0090] 200 steam passage assembly 201 steam inlet

[0091] 202 make-up steam outlet 203 cooking steam inlet

[0092] 204 cooking steam outlet 205 passage bottom shell

[0093] 206 channel top plate 207 cooking steam channel seal

[0094] 208 complementary cooking steam channel member 209 channel wall

[0095] 210 side end 211 / 46a front end

[0096] 212 fixed buckle 213 movable buckle

[0097] 214 bayonet 215 first protrusion

[0098] 216 second protrusion 217 steam passing portion

[0099] 218 steam passing port 219 temperature measuring hole

[0100] 220 steam passing base 221 steam passing limiting portion

[0101] 222 limiting groove 223 positioning cylinder

[0102] 224 positioning column 14a lower recess of cover plate DETAILED DESCRIPTION

[0103] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, it will be apparent to one skilled in the art that the application can be practiced without one or more of these specific details. In other instances, well-known features have not been described in detail to avoid obscuring the application.

[0104] For a thorough understanding of the application, reference is made to the following description taken in conjunction with the accompanying drawings. It is apparent that the application can be practiced without one or more of the specific details set forth herein. Certain terminology may

[0105] It should be noted that the foregoing terms are used herein solely to describe specific embodiments of the application and do not intend to limit the exemplary embodiments according to the present application. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0106] Ordinal numbers such as “first” and “second” used in this application are merely identifiers and have no other meaning, such as a specific order. Moreover, for example, the term “first component” does not imply the existence of a “second component”, and the term “second component” does not imply the existence of a “first component”.

[0107] It should be noted that the terms “up,” “down,” “front,” “back,” “left,” “right,” “inner,” “outer,” and similar expressions used in this article are for illustrative purposes only and are not intended to be restrictive.

[0108] Exemplary embodiments according to this application will now be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of this application is thorough and complete, and that the concept of these exemplary embodiments is fully conveyed to those skilled in the art.

[0109] like Figures 1 to 5 As shown, this application provides a cooking appliance 1, which includes a pot body 2 and a lid 3. The pot body 2 has a cylindrical inner pot storage section. The inner pot 4 can be fixedly installed in the inner pot storage section, or can be freely placed into or removed from the inner pot storage section to facilitate cleaning of the inner pot 4. The inner pot 4 is usually made of metal and has a circular opening on its upper surface for holding materials to be heated, such as rice or soup. The pot body 2 includes an inner pot heating device 5, such as a heating plate, for heating the inner pot 4. It is understood that the cooking appliance 1 according to this application can be a rice cooker, an electric pressure cooker, or other cooking appliances 1, and the cooking appliance 1 can have various functions such as cooking porridge in addition to cooking rice.

[0110] The lid 3 has a shape substantially corresponding to the pot body 2. The lid 3 is closable on the pot body 2. In one example, the lid 3 is pivotally connected to the pot body 2 via a pivot axis 6 and can pivot freely about the pivot axis 6 between a closed position and an open position relative to the pot body 2, facilitating the closing and opening of the pot body 2. In another example, the lid 3 and pot body 2 are connected by interlocking and easily disassembled fasteners, so that they are tightly connected during cooking and can be separated into two independent units, for example, during cleaning. When the lid 3 is closed on the pot body 2, it covers the inner pot 4, forming a cooking cavity between them. The lid 3 typically also has a pot opening sealing ring 7, which can be made of, for example, rubber material, and is positioned between the lid 3 and the inner pot 4 to seal the cooking cavity when the lid 3 is closed.

[0111] It should be noted that the directional terms used herein in describing various components, parts, etc. of the cooking appliance 1, such as "upper", "lower", "upper side", "lower side", "upward", "downward", "upwardly", "downwardly", etc. are relative to the cooking appliance 1 in a horizontal placement, upright state and with the lid body 3 in a closed state.

[0112] The lid body 3 basically comprises a lid main body 8. The lid main body 8 comprises an inner liner 9 and a face cover assembly 10. The face cover assembly 10 is arranged on the upper side or outer side of the inner liner 9 and can cover the inner liner 9. The upper surface of the face cover assembly 10 is provided with a user interaction area 11 for user operation. The inner liner 9 can be connected with the face cover assembly 10 by suitable means such as clamping, fastening with fasteners such as screws, bonding, etc. The pivot shaft 6 is arranged on the inner liner 9 and is sleeved with a torsion spring 12 so as to automatically open the lid.

[0113] In one example, the lid body 3 further comprises a detachable lid assembly 13. The detachable lid assembly 13 is arranged on the lower side of the lid main body 8 and is detachably connected with the lid main body 8 in the form of an assembly, so that the detachable lid assembly 13 is detachably mounted on the lid body 3 from the lower side. When the detachable lid assembly 13 needs to be cleaned, the detachable lid assembly 13 can be detached from the lid body 3. Specifically, the detachable lid assembly 13 is arranged on the lower side or inner side of the inner liner 9 and is detachably connected to the inner liner 9. For example, the detachable lid assembly 13 is movably connected to the inner liner 9 by a plug-in and / or clamping structure. The detachable lid assembly 13 basically comprises a cover plate 14, a cover plate seat 15 and the aforementioned pot opening sealing ring 7. The cover plate 14 can be optionally a metal plate. At least part of the lower surface of the cover plate 14 forms the top surface of the cooking cavity. The cover plate seat 15 can detachably connect the cover plate 14 to the inner liner 9. The cover plate 14 can be connected with the cover plate seat 15 by other suitable means such as buckling or fastening with fasteners. Part of the pot opening sealing ring 7 is pressed between the cover plate 14 and the cover plate seat 15.

[0114] In another alternative example, the lid body 3 comprises the aforementioned cover plate 14, which is fixedly connected to the lid main body 8, specifically to the inner liner 9, so that the cover plate 14 is non-detachably mounted on the lid body 3.

[0115] The pot body 2 basically comprises an outer shell 16, a middle plate 17 arranged on the upper side of the outer shell 16 and a base 18 arranged on the lower side of the outer shell 16. The lower end of the outer shell 16 can be connected with the outer periphery of the middle plate 17 by suitable means such as clamping, fastening with fasteners such as screws, bonding, etc. The lower end of the outer shell 16 can be connected with the upper end of the base 18 by suitable means such as clamping, fastening with fasteners such as screws, bonding, etc. The outer shell 16, the middle plate 17 and the base 18 together enclose an inner pot receiving portion. The inner pot heating device 5 can be arranged between the base 18 and the bottom of the inner pot 4 and is connected to the base 18, so it is also called a bottom heating device. Alternatively, another inner pot heating device 5 can be arranged between the outer shell 16 and the side of the inner pot 4, so it is also called a side heating device.

[0116] The cooking appliance 1 of the present application also has the function of top heat radiation heating, the heat generated by the top heat source can be radiated to the food in the cooking cavity to heat the food from the top side. Specifically, the cover body 3 comprises a top heating device 100 located in the area corresponding to the inner pot 4 of the cover body 3, which can transmit heat to the cooking cavity by heat radiation. The top heating device 100 can be any suitable heating device such as an electric heating device, an electromagnetic heating device or an infrared heating device. The electric heating device can be an electric heating tube, an electric heating wire, an electric heating film or any suitable electric heating device. The electromagnetic heating device comprises an electromagnetic coil and a coil disc, the electromagnetic coil is wound on the coil disc, in this scheme, the cover plate 14 on the lower side of the coil disc is a metal member, the alternating magnetic field generated by the electromagnetic coil can act on the metal cover plate 14 below, so that the cover plate 14 itself generates heat to radiate heat to the cooking cavity. The illustrated example shows that the top heating device 100 is an infrared heating device for radiating infrared rays to the cooking cavity during cooking. The infrared rays radiated to the cooking cavity can effectively heat the surface food and make the food evenly heated, thereby stimulating the aroma of the food.

[0117] The cooking appliance 1 of the present application also has the function of steam heating, high-temperature steam can be delivered to the cooking cavity to heat and moisten the food in the cooking cavity, for example, high-temperature steam is supplied to the cooking cavity during the holding stage, which can keep the food such as rice moist and prevent the food from drying and yellowing. Specifically, the cooking appliance 1 also comprises a steam generating device 40 for generating cooking steam to supplement the cooking cavity. In order to deliver the cooking steam to the cooking cavity, the cover body 3 is provided with a cooking steam supply channel P11 communicating with the cooking cavity. The cooking steam supply channel P11 is used for supplying steam for cooking the cooking cavity, specifically, it can receive cooking steam from the steam generating device 40 and deliver cooking steam to the cooking cavity.

[0118] The steam generating device 40 can be arranged on the cover body 3 or the pot body 2. Figure 4 An example of the steam generating device 40 arranged on the pot body 2 is schematically shown. As Figure 4As shown, the steam generating device 40 basically comprises a water container 41 and a water container heating device 42. The water container 41 is arranged in the pot body 2 and is capable of storing water for generating the replenishment steam. Optionally, the water container 41 is located in the receiving cavity of the pot body 2 and protrudes from the upper surface of the pot body 2 to facilitate the removal of the water container 41 from the pot body 2. The water container 41 has a top opening for forming an outlet to allow the replenishment steam to overflow. The water container heating device 42 is usually arranged below the water container 41 and is used to heat the water in the water container 41 to generate the replenishment steam. The replenishment steam can enter the replenishment steam supply passage P11 and then enter the cooking cavity to keep the food such as rice in the inner pot 4 moist. When the steam generating device 40 is arranged in the cover body 3, the arrangement position and structure of the water container 41 and the water container heating device 42 are different from those of the example shown in the drawings. Figure 4

[0119] During cooking, the heating of the food and water in the inner pot 4 generates cooking steam. In order to exhaust the cooking steam to the external environment, the cooking utensil 1 is provided with a cooking steam exhaust passage P2. Figure 5 As shown, the cover body 3 is further provided with a cooking steam exhaust passage P12 for the steam exhausted from the cooking cavity to pass through, and the cooking steam exhaust passage P12 is in communication with the cooking cavity and the exhaust passage P2. The cooking steam can first enter the cooking steam exhaust passage P12 and then be exhausted to the external environment through the exhaust passage P2.

[0120] For the infrared heating device, one example is that the infrared heating device can be an infrared electric heating tube. For example, the infrared electric heating tube is formed by encapsulating the infrared heating element in a glass tube. In this example, the cover body 3 further comprises a light-transmissive isolation plate arranged on the lower side of the infrared electric heating tube. Another alternative example is that the infrared heating device can be an electric heating film arranged on a plate-shaped member and capable of being electrified. In this example, the plate-shaped member for arranging the electric heating film is at least partially light-transmissive. Another alternative example is that, as shown in the example, the infrared heating device comprises a radiation plate 110 and a heating assembly 120 for heating the radiation plate 110. The heat generated by the heating assembly 120 can be transferred to the radiation plate 110, and the radiation plate 110 can radiate infrared rays to the cooking cavity after being heated. The radiation plate 110 can be a ceramic plate, a carbon plate made of carbon material, or the like. A light-transmissive isolation plate can be arranged on the lower side of the radiation plate 110. Alternatively, the radiation plate 110 is exposed in the cooking cavity, and at least part of the lower surface of the radiation plate 110 forms the top surface of the cooking cavity, and further, at least part of the radiation plate 110 forms the top wall of the cooking cavity. The temperature of the radiation plate 110 can be controlled by controlling the power or heating temperature of the heating assembly 120.

[0121] The structure of the cover body 3 is further described by taking the example shown in the drawings as an example. As shown in the example, Figure 3 Figure 7 ​​As shown, the inner liner 9 has an inner liner through-hole 20, and the radiating plate 110 is installed at the inner liner through-hole 20. The cover plate 14 is disposed below the radiating plate 110. The cover plate 14 is partially provided with a cover plate through-hole 21. The cover plate through-hole 21 corresponds to the position of the radiating plate 110. In other words, the cover plate through-hole 21 is located directly below the radiating plate 110. The infrared rays generated by the radiating plate 110 can be radiated toward the inner pot 4 through the inner liner through-hole 20 and the cover plate through-hole 21. Alternatively, the cover plate 14 is at least partially transparent. The cover plate 14 can be made entirely of a transparent material such as glass, or the portion corresponding to the radiating plate 110 can be made of a transparent material. In this case, the cover plate 14 serves as an isolation plate.

[0122] like Figure 6 and Figure 7 As shown, the inner liner 9 may be provided with a support portion 22. The support portion 22 is disposed around the through hole 20 of the inner liner, and the support portion 22 forms a closed annular structure. The outer edge of the radiant plate 110 can overlap the bottom wall of the support portion 22 and abut against the side wall of the support portion 22. The support portion 22 can provide an upward supporting force to the radiant plate 110 and restrict the horizontal movement of the radiant plate 110, facilitating the fixation of the radiant plate 110. In one example, the support portion 22 can be recessed downward, and the radiant plate 110 is accommodated in the recessed support portion 22. In another example, the support portion 22 is a planar structure, i.e., it does not form a recess. A peripheral sealing ring 130 is fitted around the outer periphery of the radiant plate 110 to form a seal between the radiant plate 110 and the inner liner 9. The top heating device 100 also includes a fixing member 140. The fixing member 140 can be connected to the inner liner 9, and the outer edge of the radiant plate 110 is sandwiched between the fixing member 140 and the support portion 22. The fastener 140 may optionally be configured as a ring, which can be connected to the liner 9 by a suitable means such as snap-fit, fastener connection such as screws, welding, etc.

[0123] Additionally, the cover 3 may also include a through-hole sealing ring 23. The through-hole sealing ring 23 can be disposed around the periphery of the through-hole 21 of the cover plate and located on the side opposite to the side where the pot opening sealing ring 7 is located, specifically between the radiant plate 110 and the inner liner 9, abutting against the lower surface of the radiant plate 110. Forming a seal at the through-hole 21 of the cover plate prevents steam from entering the interior of the cover 3 through the gap between the radiant plate 110 and the cover plate 14, thereby improving the sealing effect of the cover 3. For example, a pressure ring 24 can be provided to clamp a portion of the through-hole sealing ring 23 between the pressure ring 24 and the cover plate 14, and the pressure ring 24 can be fixed to the cover plate 14 by a bendable clip.

[0124] The shape of the inner liner through hole 20, the shape of the cover plate through hole 21, the shape of the support portion 22, and the shape of the through hole sealing ring 23 correspond to the shape of the radiation plate 110. Exemplarily, the radiation plate 110 can be provided with an avoiding notch 111, and the inner liner 9 is provided with a protruding portion 25 protruding towards the center of the inner liner through hole 20, and the protruding portion 25 is engaged with the avoiding notch 111. A part of the steam channel P1 can be provided on the protruding portion 25. In this way, the area of the radiation plate 110 can be designed to be larger, and the steam channel P1 can also be arranged on one side of the radiation plate 110, specifically the back side, with a suitable area ratio. The steam channel P1 here includes the above-mentioned cooking steam supply channel P11 and / or the cooking steam exhaust channel P12. Alternatively, the cover plate 14 can also be provided with a protruding portion 25, and the protruding portions 25 of the cover plate 14 and the inner liner 9 correspond in position.

[0125] In order to simplify the structure and optimize the use of the space in the cover body 3, the present application uses one component to jointly form the cooking steam supply channel P11 and the cooking steam exhaust channel P12, rather than using different components to form the two channels respectively. Specifically, the cover body 3 further includes a steam channel assembly 200 for forming the cooking steam supply channel P11 and the cooking steam exhaust channel P12. The steam channel assembly 200 is located on the upper side of the cover plate 14 and the lower side of the inner liner 9. The steam channel assembly 200 is arranged in parallel with the top heating device 100 in the horizontal direction, specifically, the side of the cover body where the opening mechanism is arranged is the front side of the cover body, and the side of the cover body away from the opening mechanism is the back side of the cover body. The top heating device 100 is adjacent to the front side of the cover body, and the steam channel assembly 200 is arranged on the back side of the cover body, so that the steam channel assembly 200 is located on the back side of the top heating device 100. As shown in Figure 8 The inner liner 9 has a recess 26 for accommodating the steam channel assembly 200. The recess 26 is located on the back side of the inner liner through hole 20 and is recessed upward from the lower surface of the inner liner 9. At least part of the steam channel assembly 200 is accommodated in the recess 26. The size and shape of the recess 26 are adapted to the outer contour of the steam channel assembly 200.

[0126] As shown in Figure 9 , Figure 10 and Figure 11 The steam channel assembly 200 is further provided with a steam receiving port 201 communicating with the cooking steam supply channel P11 and a cooking steam outlet 202. The steam receiving port 201 is used to receive steam from the steam generating device 40, and the cooking steam outlet 202 is used to communicate the cooking steam supply channel P11 with the cooking cavity. The position of the steam receiving port 201 corresponds to the outlet of the water container 41, specifically above the water container 41. Figure 4The steam inlet flow path is schematically indicated by arrows. Specifically, steam generated by heating water in the water container 41 enters the steam supply passage P11 via the steam inlet 201, flows along the steam supply passage P11, and enters the cooking cavity via the steam outlet 202.

[0127] The steam passage assembly 200 is further provided with a cooking steam inlet 203 and a cooking steam outlet 204, which are in communication with the cooking steam discharge passage P12. The cooking steam inlet 203 is configured to communicate the cooking steam discharge passage P12 with the cooking cavity, and the cooking steam outlet 204 is configured to discharge steam in the cooking steam discharge passage P12. The lid body 8 is provided with the steam discharge passage P2 as described above. The cooking steam outlet 204 is positioned corresponding to the steam discharge passage P2 of the lid body 8. The cover plate 14 further comprises a steam valve 27 and a steam seal 28, which are vertically disposed in the lid body 8, forming the steam discharge passage P2. The steam seal 28 is disposed in the upwardly protruding cylindrical wall 47 of the lid body 8, abutting against the bottom of the steam valve 27 and the upper surface of the steam passage assembly 200. Figure 5 The steam outlet flow path is schematically indicated by arrows. Specifically, steam in the cooking cavity enters the cooking steam discharge passage P12 via the cooking steam inlet 203, flows along the cooking steam discharge passage P12, and flows to the steam discharge passage P2 via the cooking steam outlet 204, and then is discharged to the ambient environment.

[0128] The steam passage assembly 200 comprises a passage bottom shell 205 and a passage top plate 206. The passage top plate 206 is disposed below the passage bottom shell 205 and can be coupled to the passage bottom shell 205. The steam seal 28 abuts against the upper surface of the passage top plate 206. The outer periphery of the passage bottom shell 205 and the passage top plate 206 correspond in shape and size. The outer periphery of the passage bottom shell 205 and the passage top plate 206 is schematically shown as being substantially triangular in shape.

[0129] The bottom shell 205 is connected to the top plate 206, forming a supplementary steam supply passage P11 and a cooking steam exhaust passage P12 between them. Specifically, a portion of these two steam passages P1 is formed by the bottom shell 205 or components thereon, while another portion is formed by the top plate 206 and components thereon. The steam passage assembly 200 includes two passage seals, namely a supplementary steam passage seal and a cooking steam passage seal 207, used to form seals at the supplementary steam supply passage P11 and the cooking steam exhaust passage P12, respectively. As an example, the supplementary steam supply passage P11 and the cooking steam exhaust passage P12 are located in different areas of the bottom shell 205. In this example, the bottom shell 205 forms the bottom wall of these two steam passages P1, and the two passage seals are clamped at different locations on the passage walls, thereby the bottom shell 205 and the top plate 206 enclose these two steam passages P1. Alternatively, the bottom shell 205 of the passage is provided with a pressure plate, which forms the bottom wall of the two steam passages P1; in this embodiment, the pressure plate can be used to fix the passage seal, which abuts against the top plate 206 of the passage. Thus, the pressure plate, the passage seal, and the top plate 206 of the passage form the two steam passages P1.

[0130] Another example is, such as Figure 9 As shown, the supplementary cooking steam supply passage P11 is located inside the cooking steam exhaust passage P12. In this example, the bottom shell 205 forms the bottom wall of the cooking steam exhaust passage P12, thereby the bottom shell 205 and the top plate 206 enclose the cooking steam exhaust passage P12. The steam passage assembly 200 also includes a supplementary cooking steam passage component 208, which is located between the bottom shell 205 and the top plate 206 to form the supplementary cooking steam supply passage P11.

[0131] In the example where the bottom shell 205 forms the bottom wall of the steam passage P1, the bottom shell 205 is provided with a channel wall 209 extending upward from the upper surface of the bottom shell 205, and the channel wall 209 surrounds the peripheral sidewall of the steam passage P1.

[0132] The cover plate 14, as it forms the top wall of the cooking cavity, needs to be made of food-grade material. The channel bottom shell 205 and channel top plate 206 are both independent components and can be manufactured using different materials than the cover plate 14. Components used to enclose the steam channel P1, such as the channel bottom shell 205, channel top plate 206, pressure plate, and / or supplementary steam channel component 208, are also made of food-grade material. This design eliminates the need for a cover body 8 to form the top wall of the steam channel P1, thus avoiding the need for a cover body 8 to be made of food-grade material and saving material costs.

[0133] The steam passage assembly 200 is at least partially mounted on the detachable lid assembly 13, so that the steam passage assembly 200 is at least partially detached from the lid body 3 together with the detachable lid assembly 13, and the two steam passages P1 on the steam passage assembly 200 are cleaned. The cover plate through hole 21 is adjacent to the front end portion 46a of the detachable lid assembly 13. The steam passage assembly 200 is arranged adjacent to the rear end portion of the detachable lid assembly 13. The cover plate through hole 21 and the steam passage assembly 200 can be arranged in front and back, with the cover plate through hole 21 in front and the steam passage assembly 200 in back, so that the cover plate through hole 21 can be designed to occupy a larger cooking area. The cover plate 14 is defined with a cooking area at the pot opening sealing ring 7, and the cover plate through hole 21 is located in the cooking area and occupies an area greater than 3 / 5 of the area of the cooking area, for example, an area ratio of 8 / 10, 4 / 5, etc. The steam passage assembly 200 is arranged at a region outside the cover plate through hole 21.

[0134] For the illustrated example, at least the passage bottom shell 205 is mounted on the detachable lid assembly 13, so that at least the passage bottom shell 205 is detached from the lid body 3 together with the detachable lid assembly 13. Specifically, the passage bottom shell 205 is connected with the detachable lid assembly 13 to be detached from or mounted to the lid body 3 together with the detachable lid assembly 13. Thus, at least the passage bottom shell 205 can be detached from the lid body 3 in order to clean the two steam passages P1. The passage top plate 206 can be separated from the passage bottom shell 205 in order to expose the inside of the steam passage P1 for better cleaning of the inside of the steam passage P1.

[0135] For the illustrated example, the passage top plate 206 is detachably connected with the passage bottom shell 205 to be detached from or mounted to the lid body 3 together with the passage bottom shell 205. When it is necessary to clean the steam passages P1, the whole formed by the steam passage assembly 200 and the detachable lid assembly 13 can be detached from the lid body 3, and then the passage top plate 206 is detached from the passage bottom shell 205. In this way, part of the steam passages P1 on the passage top plate 206 are exposed, and part of the steam passages P1 on the passage bottom shell 205 are also exposed. The detachable lid assembly 13 and the passage bottom shell 205 detached from the lid body 3 can be cleaned by the user with water, and the passage top plate 206 detached from the lid body 3 can be cleaned by the user with water alone. The user can easily achieve cleaning of the steam passages P1, and the cleaning effect is good.

[0136] Alternatively, the channel top plate 206 is connected with the cover body 8. The channel top plate 206 is hinged to the channel bottom shell 205, and the two can be free from fixed connection. When the steam channel P1 needs to be cleaned, the channel bottom shell 205 and the detachable cover assembly 13 can be detached from the cover body 3 as a whole. In this way, part of the steam channel P1 on the channel top plate 206 is exposed, and part of the steam channel P1 on the channel bottom shell 205 is also exposed. The detachable cover assembly 13 and the channel bottom shell 205 detached from the cover body 3 can be cleaned by the user with water, and the channel top plate 206 retained on the cover body 3 can be cleaned by the user with a cloth. In this scheme, the channel top plate 206 is butted against the channel bottom shell 205 on the detachable cover assembly 13 when the detachable cover assembly 13 is installed to the cover body 3, so as to form a closed steam channel P1.

[0137] The channel bottom shell 205 is provided with the above-mentioned cooking steam outlet 203 and the cooking steam inlet 203. The channel top plate 206 is provided with the cooking steam outlet 204. In other examples not shown, the cover plate 14 can be provided with the above-mentioned cooking steam outlet 202 and the cooking steam inlet 203, and the channel bottom shell 205 is provided with a channel structure at positions corresponding to the steam inlet 201 and the cooking steam outlet 202. The channel structure is clamped with a sealing element between the cover plate 14. In the example shown in the figure, the steam generation device 40 is arranged in the pot body 2, and the channel bottom shell 205 is provided with the above-mentioned steam inlet 201 to introduce steam from the lower side. In the example in which the steam generation device 40 is arranged in the cover body 3, the channel top plate 206 is provided with the above-mentioned steam inlet 201 to introduce steam from the upper side.

[0138] Referring back to Figure 6 and Figure 8 , the cover body 3 further comprises a temperature measuring device 50 for detecting the temperature of the steam in the cooking cavity. The temperature measuring device 50 comprises a temperature measuring element 51. The channel top plate is provided with a temperature measuring hole 219, and at least part of the temperature measuring element 51 is arranged in the cooking steam discharge channel P12 via the temperature measuring hole 219.

[0139] The structure of the steam channel assembly 200 will be further described below with reference to the example shown in the figure.

[0140] As Figure 12 and Figure 13As shown, the longitudinal direction and the lateral direction of the channel bottom shell 205 on the horizontal plane exceed the rear portion of the cover plate 14, specifically, the steam channel assembly 200 is arranged on the cover plate 14 and the cover plate seat 15. The steam inlet 201 is located at the lateral end 210 of the channel bottom shell 205 in the lateral direction. The steam generation device 40 is arranged at the corner of the kettle body 2 at the rear end, and the lateral end 210 of the channel bottom shell 205 in the lateral direction corresponds to the corner of the cover body 3. In this way, the position of the steam inlet 201 can be corresponded with the water container 41 of the steam generation device 40 up and down, and the steam enters the steam inlet 201 from the bottom to the top, so that the steam path between the steam inlet 201 and the water container 41 is short and straight. The at least one reheat steam outlet 202 is located at the front end 211 of the channel bottom shell 205 in the longitudinal direction. For the example shown in the figure, the reheat steam outlet 202 and the cooking steam inlet 203 are both arranged at the front end 211 of the channel bottom shell 205 in the longitudinal direction. The cooking steam outlet 204 is spaced apart from the cooking steam inlet 203 in the longitudinal direction and is on the longitudinal center line of the cover plate 14.

[0141] The reheat steam supply channel P11 is provided with the reheat steam outlet 202 at one end and the steam inlet 201 at the other end. In other words, the steam inlet 201 and the reheat steam outlet 202 are respectively located at the two ends of the reheat steam supply channel P11. Alternatively, the reheat steam supply channel P11 is a straight channel, the center line of which has a predetermined angle with the center line of the cover plate 14 extending in the front-rear direction. Further, the reheat steam supply channel P11 is inclined with respect to the longitudinal center line of the cover plate 14. It should be noted that in the example of the detachable cover assembly 13, the longitudinal center lines of the cover plate 14 and the detachable cover assembly 13 are collinear.

[0142] It should be noted that the term "longitudinal" or "longitudinal direction" used herein refers to the front-rear direction, and the term "lateral" or "lateral direction" refers to the left-right direction.

[0143] As Figure 14As shown, in order to fix the steam channel bottom shell 205 to the detachable lid assembly 13, the lid plate base 15 comprises a plate-like base support portion 29 which protrudes from the rear portion of the lid plate 14. The steam channel assembly 200 is arranged across the lid plate 14 and the base support portion 29. The channel bottom shell 205 can be connected to the base support portion 29 by channel welding, fastener connection such as screws, or any suitable means. The detachable lid assembly 13 is provided with a reheat steam docking lid 30 which can be closed on the top opening of the water container 41 when the lid body 3 is closed to the pot body 2. The reheat steam docking lid 30 is also provided with a reheat steam docking sealing member 31 for forming a seal between the water container 41 and the reheat steam docking lid 30 when the lid body 3 is closed. The reheat steam docking lid 30 is provided with a reheat steam inlet 45 through which reheat steam enters the reheat steam supply channel P11. The reheat steam docking lid 30 is connected to or integrally provided at the region adjacent to the rear end portion 46b (see Figure 13 ) of the lid plate base 15, specifically at the base support portion 29.

[0144] The channel top plate 206 can be detachably connected to the channel bottom shell 205 by a buckle structure. The buckle structure comprises a fixed buckle 212 and a movable buckle 213 which correspond to different side edges of the steam channel assembly 200 respectively. The fixed buckle 212 is connected to the channel bottom shell 205 and is provided with a buckle opening 214. The movable buckle 213 is rotatably connected to the base support portion 29. The channel top plate 206 is provided with a first protruding buckle 215 which cooperates with the fixed buckle 212 and a second protruding buckle 216 which cooperates with the movable buckle 213. The first protruding buckle 215 can be buckled into the buckle opening 214 of the fixed buckle 212, and the second protruding buckle 216 can be buckled by the movable buckle 213 from the upper side. The base support portion 29 is provided with a column which protrudes upward and is spaced apart. The movable buckle 213 is rotatably connected to the column. When assembling, the first protruding buckle 215 is buckled into the buckle opening 214 of the fixed buckle 212 first to fix one side edge of the assembly, and then the movable buckle 213 is rotated to buckle the second protruding buckle 216 to fix the other side edge of the assembly. When disassembling, the movable buckle 213 is unlocked first, and then the fixed buckle 212 is separated.

[0145] The region adjacent to the rear end portion 36b of the lid plate 14 is provided with an inlet and outlet concentrated distribution region R of the steam channel assembly 200, Figure 11 and Figure 13The approximate location and shape of the import and export concentrated distribution area R is shown by a dashed line. The import and export concentrated distribution area R is provided with a complementary cooking steam outlet 202 and a cooking steam inlet 203. As shown in the example, the passage bottom shell 205 is provided with the import and export concentrated distribution area R, which is arranged in the area adjacent to the rear end portion 36b of the cover plate 14. This design cleverly concentrates the complementary cooking steam outlet 202 and the cooking steam inlet in a relatively small area, and does not need to provide separate sealing members and sealing structures at the two ports, thereby simplifying the manufacturing and assembly process and making the structure more compact. The import and export concentrated distribution area R is arranged at the front end portion of the passage bottom shell 205 in the longitudinal direction.

[0146] Specifically, the passage bottom shell 205 includes a downwardly protruding steam passing portion 217, which is provided with a steam passing port 218 for communicating the steam passage P1 with the cooking cavity. The steam passing port 218 includes a complementary cooking steam outlet 202 communicating with the complementary cooking steam supply passage P11 and / or a cooking steam inlet 203 communicating with the cooking steam exhaust passage P12. That is, the complementary cooking steam outlet 202 and / or the cooking steam inlet 203 are arranged in the steam passing portion 217. In the example, the import and export concentrated distribution area R is arranged in the steam passing portion 217, so that the complementary cooking steam outlet 202 and the cooking steam inlet 203 are arranged in the steam passing portion 217. The cover plate 14 is provided with a steam passing portion passing hole 32, and the steam passing portion 217 can be arranged to pass through the steam passing portion passing hole 32. The shape of the import and export concentrated distribution area R corresponds to the shape of the steam passing portion 217, for example, a circular shape, etc.

[0147] The passage bottom shell 205 can be closer to the cover plate 14 at the downwardly protruding steam passing portion 217, and the steam passing portion 217 is limited in the steam passing portion passing hole 32, which can on the one hand enable the steam passing port 218 on the steam passing portion 217 to communicate with the cooking cavity, and on the other hand limit the horizontal position of the passage bottom shell 205 at the steam passing portion 217, avoiding horizontal movement of the passage bottom shell 205 relative to the cover plate 14.

[0148] For example, the steam passing portion 217 is a flange-shaped protruding portion that extends into or passes through the steam passing portion passing hole 32. The flange surface can abut the edge of the steam passing portion passing hole 32, and the protruding portion can be limited in the steam passing portion passing hole 32, and this assembly structure enables the steam passing portion to be stably retained on the cover plate.

[0149] The steam passing portion 217 is located at the front end portion 211 of the passage bottom shell 205 in the longitudinal direction. The steam passage assembly 200 can be designed to better utilize the space in the longitudinal direction to arrange the steam passage P1 with a longer extension path, so as to miniaturize the steam passage assembly 200 in the longitudinal direction, thereby reducing the size of the portion of the steam passage assembly on the cover plate 14 and reducing the area ratio. The steam passing portion 217 is configured to be adapted in shape and size to the steam passing portion passing hole 32. The structure between the steam passing portion 217 and the cover plate 14 can be more compact, which facilitates effective restriction of the horizontal movement of the passage bottom shell 205 relative to the cover plate 14, and in addition, can improve the overall appearance of the inside of the cover body 3 in shape.

[0150] In some examples, as in the illustrated example, the cooking steam passage member 208 is made of elastic sealing material and abuts against the passage top plate 206. In other words, the cooking steam passage member 208 is a part made of flexible material. The cooking steam passage member 208 is thus sealed against the passage top plate 206 to form a seal between the cooking steam passage member 208 and the passage top plate 206. The cooking steam passage member 208 itself has a sealing function and elastic deformation capability, and can be used as a sealing member, so it can also be referred to as a passage sealing member. In this way, no additional sealing ring is needed to seal the gap between the cooking steam passage member 208 and the passage top plate 206. In addition, a seal is also formed between the cooking steam passage member 208 and the passage bottom shell 205, preventing steam from leaking out.

[0151] In the illustrated example, the cooking steam passage member 208 can be independently fixed to the passage bottom shell 205. No pressing plate for fixing the sealing ring is needed, which reduces the number of components, simplifies the structure and assembly process, and is conducive to efficient use of the internal space of the cover body 3 and improvement of assembly efficiency. In an alternative example, a pressing plate is provided in the cooking steam passage member 208, which presses the bottom wall of the cooking steam passage member 208 against the passage bottom shell 205, and the side peripheral wall of the cooking steam passage member 208 forms most of the cooking steam supply passage P11 together with the pressing plate. The top of the side peripheral wall abuts against the lower bottom surface of the passage top plate 206, thereby constituting the entire cooking steam supply passage P11. The pressing plate is preferably made of rigid metal material that is not prone to rust, and is connected to the bottom wall of the passage bottom shell and the cover plate of the detachable cover assembly using fasteners near the cooking steam outlet.

[0152] In some alternative examples, the steam passage assembly 200 also includes a supplementary steam passage seal, which is disposed on the outer periphery of the supplementary steam passage member 208 and abuts against the passage top plate 206. A separate passage seal is used to form a seal for the supplementary steam supply passage P11. The structure of the supplementary steam passage seal can be simply designed, facilitating its manufacture. The supplementary steam passage seal can be fixed to the passage bottom shell 205 via the supplementary steam passage member 208. For example, the supplementary steam passage seal can be a lipped sealing ring, with its bottom sandwiched between the supplementary steam passage member 208 and the passage bottom shell 205. In this embodiment, the supplementary steam passage member 208 acts as a pressure plate and can fix the supplementary steam passage seal.

[0153] In some alternative examples, the steam passage assembly includes a supplementary steam passage component that can independently form a supplementary steam supply passage. For example, the supplementary steam passage component can be composed of a tubular element such as a hose, or formed by a separate passage.

[0154] A significant improvement in this application is that the bottom shell 205 of the steam passage assembly 200 is connected to the cover plate 14 by a fixed cover 33.

[0155] like Figure 12 , Figures 14 to 17 As shown, the cover 3 also includes a fixing cover 33. The fixing cover 33 is located on the opposite side of the cover plate 14 from the steam passage assembly 200, i.e., on the lower side of the cover plate 14, to fix the steam passage part 217 to the cover plate 14. The passage bottom shell 205 and the fixing cover 33 are connected at the steam passage part through the hole 32, thus occupying opposite sides of the cover plate 14. The fixing cover 33 is used to fix the cover plate 14 and the passage bottom shell 205 together; compared with fasteners such as rivets, the fixing cover 33 has more connecting parts and a larger connecting area with the passage bottom shell 205, so the two can be connected more firmly and reliably, thereby firmly and reliably connecting the passage bottom shell 205 to the cover plate 14; furthermore, the contact area between the fixing cover 33 and the cover plate 14 is larger, and during the installation process, the pressure of the fixing cover 33 on the cover plate 14 is more dispersed, thus effectively avoiding local deformation of the cover plate 14, improving product quality and the overall appearance of the inner side of the cover 3.

[0156] The cover plate 14 is made of metal. Using the fixing cover 33 to secure the metal cover plate effectively prevents localized deformation. The channel bottom shell 205 is made of non-metallic material. Using a non-metallic channel bottom shell 205 makes its connection structure with the fixing cover 33 easier to manufacture, resulting in lower material and manufacturing costs. The fixing cover 33 is also made of non-metallic material. Using a non-metallic fixing cover 33 prevents scratches on the cover plate 14 during installation, and its connection structure with the channel bottom shell 205 is easy to manufacture, resulting in lower material and manufacturing costs.

[0157] The steam passing portion 217 is provided on the passage bottom shell 205 at a portion close to the steam passing hole 32 and protrudes toward the cover plate 14. Specifically, as shown in Figure 14 The cover plate 14 has a cover plate lower recessed portion 14a recessed downward from the outer peripheral portion thereof. The passage bottom shell 205 is arranged across the outer peripheral portion of the cover plate 14, and the steam passing portion 217 is at the cover plate lower recessed portion 14a, with a height corresponding to the recessed depth of the cover plate lower recessed portion 14a. The protruding steam passing portion 217 can be closer to the lower recessed portion of the cover plate 14 forming the cooking area.

[0158] The fixing cover 33 is provided with a limiting opening 35 and includes a fixing cover main body 36 formed around the limiting opening 35. The fixing cover main body 36 extends through the steam passing hole 32, and the portion of the steam passing portion 217 provided with the steam passing opening 218 is arranged in the limiting opening 35 and connected with the fixing cover 33. The edge of the steam passing hole 32 can be clamped between the steam passing portion 217 and the fixing cover 33. The steam passing portion 217 can be limited at the limiting opening 35, so as to avoid horizontal movement of the passage bottom shell 205 relative to the cover plate 14. The connection structure between the fixing cover 33 and the steam passing portion 217 is more stable and reliable.

[0159] Some alternative examples are that the fixing cover 33 is provided with openings corresponding to the cooking steam outlet 202 and the cooking steam inlet 203, respectively. In this alternative example, the fixing cover 33 can be provided with a recess to partially receive the steam passing portion 217.

[0160] Optionally, the fixing cover 33 is annular in shape. The illustrated example shows that the steam passing hole 32 is circular, and the fixing cover 33 is circular in shape to match the shape of the steam passing hole 32. Of course, if necessary and / or desired, the shapes of the steam passing hole 32 and the fixing cover 33 can be set as needed, such as oval, square, etc. In order to ensure the reliability of the fixing, as shown in Figure 15 and Figure 17 The fixing cover 33 can further include a fixing cover flange 37. The fixing cover flange 37 extends from the fixing cover main body 36 in a direction away from the center line of the fixing cover 33, and the thickness of the fixing cover 33 at the flange thereof is smaller than that at the main body thereof. A portion of the fixing cover main body 36 can extend into the steam passing hole 32 and be connected with the steam passing portion 217, and the abutting surface on the fixing cover flange 37 abuts against the edge of the steam passing hole 32. The fixing cover main body 36 is matched with the steam passing hole 32 in shape and size. The flange portion of the fixing cover 33 is below the edge of the steam passing hole 32, and can provide upward support force to the cover plate 14, and the fixing flange 37 is in surface-to-surface contact with the cover plate 14, with a large contact area, so that the support force is more stable and reliable.

[0161] The cover body 3 further comprises a steam area sealing member 34. The steam area sealing member 34 is arranged between the edge of the steam passage hole 32 and the steam portion 217, or between the edge of the steam passage hole 32 and the channel bottom shell, to form a seal between the cover plate 14 and the steam portion 217. By means of the steam area sealing member 34, steam can be prevented from entering the cover body from between the cover plate 14 and the steam portion 217, thereby avoiding the safety hazard of the electrical components in the cover plate 14 being wetted, improving the sealing effect of the assembly and the safety of the product in the case of ensuring reliable assembly.

[0162] As shown in Figure 17 The steam portion 217 comprises a steam base portion 220 and a steam limiting portion 221. The steam limiting portion 221 protrudes downward from the steam base portion 220 and extends into the limiting opening 35. The steam base portion 220 or the steam limiting portion 221 is connected to the fixed cover body 36. The steam base portion 220 can be connected to the fixed cover body 36 in an up-down manner, or the circumferential side of the steam limiting portion 221 is connected to the fixed cover body 36. The steam limiting portion 221 is adapted in shape and size to the limiting opening 35. For example, the limiting opening 35 is circular in shape, and the outer contour of the steam limiting portion 221 is also circular in shape. The steam area sealing member 34 is arranged between the steam base portion 220 and the cover plate 14. A part of the steam portion 217 is in the limiting opening 35, so that it can be limited at the limiting opening 35, avoiding the channel bottom shell 205 moving in the horizontal direction relative to the cover plate 14; another part of the steam portion 217 presses the steam area sealing member 34 below the steam area sealing member 34, so that the steam area sealing member 34 maintains close contact with the cover plate 14.

[0163] The steam portion 217 is provided with a limiting groove 222 with a notch downward, and the steam area sealing member 34 is located in the limiting groove 222. The steam area sealing member 34 and the limiting groove 222 are adapted in shape and size. For example, the steam area sealing member 34 is annular in shape, and the steam area sealing member 34 is sleeved on the steam portion 217 and installed in the limiting groove 222. The limiting groove 222 is annular in shape. The illustrated example schematically shows that the steam area sealing member 34 is circular in shape, and the limiting groove 222 is also circular in shape. By means of the limiting groove 222, the steam area sealing member 34 can be prevented from moving, so that the steam area sealing member 34 maintains close contact with the cover plate 14, and the sealing effect is better.

[0164] The fixed cover 33 and the steam passing part 217 can be fixed in various ways according to the needs. In one optional example, the fixed cover 33 and the steam passing part 217 are welded. For example, the fixed cover 33 and the steam passing part 217 can be ultrasonically welded. The welding can be arranged between the fixed cover body 36 and the steam limiting part 221, and / or between the fixed cover flange 37 and the steam base 220. In this way, the connection between the cover plate 14 and the channel bottom shell 205 is more secure and reliable, and the product can be used for a long time. Alternatively, the fixed cover 33 is connected to the steam passing part 217 by threads. An inner thread can be arranged in the limiting opening 35 of the fixed cover body 36, and an outer thread is arranged on the outer periphery of the steam limiting part 221 of the steam passing part 217. In this way, the fixed cover 33 can be detached from the cover plate 14, so that the fixed cover 33 can be cleaned or replaced. Alternatively, the fixed cover is connected by fasteners. At least two fixed columns can be arranged on the fixed cover at intervals, and the channel bottom shell is provided with holes corresponding to the fixed columns, respectively. The fasteners are locked in the fixed columns through the holes. In this way, the fixed cover is more secure and reliable, and can be detached from the cover plate, so that the fixed cover can be replaced.

[0165] Optionally, as shown in Figures 14 to 16 The channel bottom shell 205 is provided with a downwardly protruding and hollow positioning cylinder 223 at the steam inlet 201. The seat supporting part 29 is provided with an upwardly protruding and hollow positioning column 224 at the steam inlet 45, and the positioning column 224 is limited in the positioning cylinder 223 to position the channel bottom shell 205 on the cover plate seat 15, facilitating assembly. Alternatively, the positioning cylinder 223 is limited in the positioning column 224.

[0166] Unless otherwise defined, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The features described in one embodiment can be applied to another embodiment, alone or in combination, unless the features are not applicable or otherwise contraindicated.

[0167] The application has been described by the above embodiments, but it should be understood that the above embodiments are only for the purpose of example and illustration, and the application is not limited to the above embodiments. According to the teaching of the application, more variations and modifications can be made, which all fall within the scope of the application claimed.

Claims

1. A removable lid assembly for a cooking appliance, the removable lid assembly comprising: The steam passage assembly is arranged on the same side of the cover plate seat and the cover plate, and comprises a passage bottom shell provided with a steam passage portion. The fixed cover is arranged on the other side of the cover plate opposite to the steam passage assembly. The steam passage portion is arranged on the passage bottom shell close to the steam passage portion through hole and protrudes towards the cover plate. The fixed cover is provided with a limiting opening and comprises a fixed cover body formed around the limiting opening. The fixed cover body extends through the steam passage portion through hole, and the steam passage portion passes through the limiting opening and is combined with the fixed cover body. The fixed cover further comprises a fixed cover flange extending from the fixed cover body in a direction away from the center line of the fixed cover, and a fitting surface on the fixed cover flange abuts against the edge of the steam passage portion through hole.

2. The detachable lid assembly of claim 1, wherein, The steam passage portion is provided with a steam passage opening for connecting the steam passage in the steam passage assembly with the cooking cavity; the part of the steam passage portion provided with the steam passage opening is arranged in the limiting opening and connected with the fixed cover body. The steam passage portion comprises a steam passage base and a steam passage limiting portion, the steam passage limiting portion protrudes downward from the steam passage base and extends into the limiting opening, and the steam passage base or the steam passage limiting portion is connected with the fixed cover body. Further comprising a steam passage area sealing member arranged between the edge of the steam passage portion through hole and the steam passage portion, or arranged between the edge of the steam passage portion through hole and the passage bottom shell.

3. The detachable lid assembly of claim 2, wherein, The steam passage portion is provided with a limiting groove with a notch facing downward, and the steam passage area sealing member is located in the limiting groove.

4. The detachable lid assembly of claim 2, wherein, The fixed cover is welded, threaded or connected by a fastener with the steam passage portion; and / or 5. The detachable lid assembly of claim 2, wherein, The steam passage portion is a flange-shaped protruding portion extending into or through the steam passage portion through hole.

6. The detachable lid assembly of claim 1, wherein, The cover plate is made of a metal material, and / or the passage bottom shell is made of a non-metal material, and / or the fixed cover is made of a non-metal material.

7. The detachable lid assembly of claim 6, wherein, The passage bottom shell exceeds the rear part of the cover plate in at least the longitudinal direction, and the steam passage portion is located at the front end of the passage bottom shell in the longitudinal direction.

8. The detachable lid assembly of claim 1, wherein, The cover plate seat is connected with the outer periphery of the cover plate, and comprises a seat support part protruding from the rear part of the cover plate, and the passage bottom shell is arranged on the cover plate and the seat support part. The steam passage assembly further comprises a passage top plate located on the upper side of the passage bottom shell and capable of being covered to the passage bottom shell, and a steam passage is formed between the passage top plate and the passage bottom shell.

9. The detachable lid assembly of claim 1, wherein, The steam passage comprises a cooking steam supply passage and / or a cooking steam exhaust passage, and the steam passage opening of the steam passage portion comprises a cooking steam outlet connected with the cooking steam supply passage and / or a cooking steam inlet connected with the cooking steam exhaust passage.

10. The detachable lid assembly of claim 1, wherein, ​ 11. The detachable lid assembly of claim 10, wherein, ​ 12. The detachable lid assembly of any one of claims 1 to 11, wherein, ​ 13. The detachable lid assembly of claim 12, wherein, ​ 14. The detachable lid assembly of claim 13, wherein, The channel bottom shell is provided with a steam receiving port for communicating with the steam generating device of the pot body, the steam receiving port is in communication with the cooking steam supply channel, the channel bottom shell is beyond the rear of the cover plate in at least the lateral direction, and the steam receiving port is located at the lateral end of the channel bottom shell in the lateral direction.

15. The detachable cover assembly of claim 13, wherein, The channel top plate is provided with a steam exhaust port in communication with the cooking steam exhaust channel; and / or The channel top plate or the channel bottom shell is provided with a steam receiving port for receiving steam from the steam generating device.

16. A lid for a cooking appliance, characterized in that, The cover body is detachably provided with the detachable cover assembly of any one of claims 1 to 15.

17. A lid for a cooking appliance, characterised in that, The bottom side of the cover body is fixedly connected with a cover plate, the cover plate is provided with a steam passing hole, the cover body is further provided with: A steam channel assembly, the steam channel assembly comprises a channel bottom shell; A fixed cover, the fixed cover is arranged on the other side of the cover plate opposite to the steam channel assembly; The channel bottom shell and the fixed cover are connected at the steam passing hole to be respectively located on both sides of the cover plate.

18. The cover of claim 17, wherein, The channel bottom shell is provided with a steam passing portion protruding towards the cover plate at a portion close to the steam passing hole; The fixed cover is provided with a limiting opening and comprises a fixed cover body, the fixed cover body surrounds the limiting opening; The fixed cover body extends through the steam passing hole, and the steam passing portion passes through the limiting opening and is combined with the fixed cover body.

19. The cover of claim 18, wherein, The fixed cover further comprises a fixed cover flange, the fixed cover flange extends from the fixed cover body in a direction away from the center line of the fixed cover, and a fitting surface on the fixed cover flange abuts against the edge of the steam passing hole.

20. The cover of claim 18, wherein, The steam passing portion is provided with a steam port for communicating the steam channel in the steam channel assembly with the cooking cavity; The portion of the steam passing portion provided with the steam port is arranged in the limiting opening and connected with the fixed cover body.

21. The cover of any one of claims 16-20, wherein, The side of the cover body provided with the cover opening mechanism is the front side of the cover body, the side of the cover body away from the cover opening mechanism is the rear side of the cover body, the cover body further comprises a top heating device, the top heating device is located on the upper side of the cover plate and close to the front side of the cover body, and the steam channel assembly is arranged on the rear side of the cover body.

22. The cover of claim 21, wherein The top heating device is an electric heating device, an electromagnetic heating device or an infrared heating device for radiating infrared rays to the cooking cavity.

23. The cover of claim 21, wherein The top heating device comprises a radiation plate and a heating assembly for heating the radiation plate, the radiation plate radiates infrared rays to the cooking cavity after being heated, The cover plate is provided with a through hole for infrared rays to pass through, and a lower surface of the radiation plate exposed from the through hole forms a top surface of the cooking cavity; or The cover plate is at least partially light-transmissive so that infrared rays can pass through.

24. A cooking appliance characterized by, The cooking utensil is provided with the detachable cover assembly of any one of claims 1 to 15, or the cooking utensil comprises the cover body and the pot body of any one of claims 16 to 23, and the cover body is openably arranged on the pot body to form a cooking cavity between the cover body and the pot body.

25. The cooking appliance of claim 24, wherein, The cooking utensil further comprises a steam generating device for generating a cooking steam and arranged on the cover or the pot body, so that the cooking steam is supplied into the cooking cavity through the steam passage assembly.

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