Cooking utensil

Abstract

The utility model discloses a cooking utensil which comprises a cover body and a pot body, a cooking space is formed between the cover body and the pot body, the cover body comprises an infrared heating assembly, a detachable cover and a heat conduction part, the infrared heating assembly is used for radiating infrared rays to the cooking space, and the infrared heating assembly comprises an isolation piece. The lower surface of the separator is at least partially exposed out of the cooking space; the detachable cover is arranged below the separator; the heat conduction part is arranged on one of the detachable cover and the isolation piece and protrudes towards the other one of the detachable cover and the isolation piece, the isolation piece comprises a radiation area exposed out of the cooking space and a heat conduction area corresponding to the heat conduction part in position, and the thickness of the heat conduction area is smaller than that of the radiation area. According to the utility model, the separator has different thicknesses in the heat conduction area and the radiation area, so that the two areas have different heat conduction efficiencies; when the infrared heating assembly works, different temperatures can be formed in the heat conduction area and the radiation area, and the requirements of different cooking conditions are met.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a cooking utensil. Background Art

[0002] Existing cooking utensils such as rice cookers are equipped with infrared heating devices on their lids, for example, carbon fiber heating tubes, which can radiate infrared rays during cooking to assist in cooking food directly through heat radiation, making the cooked food more fragrant and delicious; and continue to radiate infrared rays to the food after cooking to keep it warm.

[0003] A removable cover that can be removed from the cover body is generally provided under the infrared heating device. The removable cover is light-transmissive to allow infrared rays to pass through. During cooking, the temperature of the removable cover is relatively low, which will produce condensation water. The condensation water falls onto the food and affects the taste.

[0004] Therefore, a cooking appliance is needed to at least partially solve the above problems. Utility Model Content

[0005] The content of the utility model introduces a series of simplified concepts, which will be further described in detail in the detailed implementation section. The content of the utility model does not mean to attempt to define the key features and essential technical features of the technical solution claimed for protection, nor does it mean to attempt to determine the scope of protection of the technical solution claimed for protection.

[0006] In order to at least partially solve the above problems, the utility model provides a cooking utensil, comprising a cover body and a pot body, wherein the cover body can be opened and closed on the pot body to form a cooking space between the cover body and the pot body, and the cover body comprises:

[0007] an infrared heating assembly, the infrared heating assembly being used to radiate infrared rays to the cooking space, the infrared heating assembly comprising an isolating member, a lower surface of the isolating member being at least partially exposed to the cooking space;

[0008] a removable cover disposed below the isolation member; and

[0009] a heat conducting portion, the heat conducting portion being disposed on one of the removable cover and the isolating member and protruding toward the other of the removable cover and the isolating member,

[0010] The isolating member includes a radiation area exposed to the cooking space and a heat-conducting area corresponding to the position of the heat-conducting portion, and the thickness of the heat-conducting area is smaller than the thickness of the radiation area.

[0011] According to this solution, the isolating member has different thicknesses in the heat conduction area and the radiation area, so that the two areas have different thermal conductivity efficiencies; when the infrared heating component is working, different temperatures can be formed in the heat conduction area and the radiation area to meet the needs of different cooking situations. For example, in one cooking situation, the heat generated by the infrared heating component is relatively uniform. After the isolating member is heated, the heat conduction area has a smaller thickness and a higher thermal conductivity efficiency, so its temperature will be greater than the temperature of the radiation area; the heat in the heat conduction area is transferred to the removable cover via the heat conduction part, so that the temperature of the removable cover can be quickly heated up and reach a higher temperature; the higher the temperature of the heat conduction area, the higher the temperature of the removable cover, which effectively avoids the generation of condensation water on the removable cover to prevent the condensation water from falling onto the food.

[0012] Optionally, the infrared heating assembly further comprises a heating element, a portion of the heating element is arranged in the radiation area, and another portion of the heating element is arranged in the heat conduction area.

[0013] According to this solution, the heating element can generate relatively uniform heat during operation, so that after the insulating member is heated, the temperature of the heat-conducting area thereof can be greater than the temperature of the radiating area, thereby the temperature of the removable cover is higher.

[0014] Optionally, an upper surface and / or a lower surface of the heat conducting area forms a concave platform relative to the radiation area.

[0015] According to this solution, the heat conduction area can be set to have uniform thickness, and the heat conduction efficiency is roughly the same at each position in the radial direction, which is conducive to quickly heating the removable cover through heat conduction of the heat conduction part. The structure of the isolation piece is simple and easy to produce.

[0016] Optionally, the upper surface and / or the lower surface of the heat conducting area is at least partially formed as an inclined surface or a curved surface, and / or the thickness of at least a part of the heat conducting area gradually decreases in a direction away from the radiation area.

[0017] According to this solution, the thickness of the heat conduction area is uneven, and the heat conduction efficiency varies at various positions in the radial direction, thereby improving the design freedom of the product.

[0018] Optionally, the first material of the heat-conducting region is different from the second material of the radiation region, and the thermal conductivity of the first material is greater than the thermal conductivity of the second material.

[0019] According to this solution, different thermal conductivity coefficients and thicknesses of materials are utilized to achieve different thermal conductivity efficiencies between the heat conduction area and the radiation area, resulting in a better thermal conduction effect, and the removable cover can reach a higher temperature.

[0020] Optionally, the heat conducting portion is formed by bending a portion of the removable cover or the heat conducting portion is an independent component and is fixed to the removable cover, wherein the top surface of the heat conducting portion contacts or is close to the isolation member.

[0021] According to this solution, in the solution in which the removable cover is partially bent, the heat-conducting part is formed integrally with the removable cover, which can reduce the number of parts in the cover body and improve assembly efficiency; in the solution in which the heat-conducting part is an independent component, the heat-conducting part can be manufactured independently, so that the material and / or configuration of the heat-conducting part can be arbitrarily selected as needed, and the design freedom is relatively high.

[0022] And / or the heat conducting portion protrudes downward from the lower surface of the heat conducting area, and the bottom surface of the heat conducting portion contacts or is close to the removable cover.

[0023] According to this solution, the heat conducting part is integrally formed on the isolating member, which can reduce the number of parts in the cover body and improve assembly efficiency.

[0024] Optionally, the infrared heating assembly further comprises a heating element, wherein the heating element is used to heat the isolation member, and the isolation member is configured as a ceramic element, and is used to radiate infrared rays toward the cooking space after being heated.

[0025] According to this solution, the ceramic element is relatively hard and not easy to be damaged, so it can be at least partially exposed to the cooking space, and there is no need to set up additional isolation and protection parts to isolate and protect it. The ceramic element can isolate the heating element from the cooking space. In addition, the ceramic element can generate infrared rays by self-heating, and its own temperature is relatively high, which can effectively prevent condensation from being generated on its lower surface or volatilize the generated condensation, thereby preventing the condensation from flowing back and affecting the taste of food.

[0026] Alternatively, the infrared heating assembly further comprises a heating element, which is configured as an infrared heating element for radiating infrared rays to the cooking space, and the isolation member is at least partially made of a light-transmitting material.

[0027] According to this solution, the infrared heating element can radiate infrared rays to the cooking space by itself, and the isolating piece can isolate the infrared heating element from the cooking space, thereby isolating and protecting the infrared heating element. The isolating piece is light-transmissive, so that the infrared rays can be smoothly radiated toward the cooking space through the isolating piece.

[0028] Optionally, the cover body further comprises an inner liner, the inner liner is provided with an inner liner opening and a support portion, the support portion is arranged around the inner liner opening, and the outer periphery of the isolating member is overlapped with the support portion.

[0029] According to this solution, infrared rays can radiate toward the inner pot through the lining opening without obstruction; the support portion can provide an upward supporting force to the isolation member and limit the movement of the isolation member in the horizontal direction, thereby facilitating the fixation of the isolation member.

[0030] Optionally, the cover body also includes a sealing ring, the removable cover is provided with a removable cover opening, the removable cover includes an opening edge portion forming the removable cover opening, and the sealing ring is arranged at least one of the opening edge portion and the supporting portion to form a seal between the isolation member and the removable cover.

[0031] According to this solution, infrared rays can be radiated toward the inner pot through the opening of the removable cover; the gap between the isolation member and the removable cover can be sealed to prevent steam from entering the interior of the cover body through the gap between the two, thereby improving the sealing effect of the cover body.

[0032] Optionally, the cover body further includes an inner lining and a fixing member connected to the inner lining, wherein the fixing member is located above the isolating member and presses down the isolating member, and the fixing member is integrally constructed as an open or closed annular member or as a plurality of members arranged at intervals.

[0033] According to this solution, the fixing member can provide downward pressure to the ceramic element and limit the movement of the ceramic element in the vertical direction, so that it can be firmly and reliably fixed to the liner, the assembly structure is simple, and the assembly process is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The following drawings of the present invention are used as a part of the present invention for understanding the present invention. The drawings show the implementation of the present invention and its description, and are used to explain the principle of the present invention.

[0035] In the attached figure:

[0036] Figure 1 is a cross-sectional view of a cover according to a preferred embodiment of the present utility model;

[0037] Figure 2 for Figure 1 An exploded perspective cross-sectional view of a portion of the cover shown in FIG.

[0038] Figure 3 for Figure 1 A magnified view of part A;

[0039] Figure 4 for Figure 1 A perspective cross-sectional view of the separator shown in ;

[0040] Figure 5 is a three-dimensional cross-sectional view of a separator according to another embodiment of the present invention;

[0041] Figure 6 It is a cross-sectional view of an isolating element according to yet another embodiment of the present invention.

[0042] Description of reference numerals:

[0043] 1 cover 10 lining

[0044] 11 lining opening 12 support portion

[0045] 13 fixing part 20 cover assembly

[0046] 30 removable cover assembly 31 removable cover

[0047] 32 removable cover seat 33 removable cover opening

[0048] 34 protrusion 35 steam port

[0049] 36 pot mouth sealing ring 37 cover main body

[0050] 38 opening edge portion 40 infrared heating component

[0051] 41 heating element 42 isolating element

[0052] 43 avoidance through hole 50 sealing ring

[0053] 60 Steam channel structure 61 Steam valve

[0054] 62 steam channel wall 63 steam channel sealing member

[0055] 70 fixing member 71 mounting portion

[0056] 72 pressing portion 80 heat transfer portion

[0057] R1 radiation area R2 heat conduction area

[0058] F1 slope DETAILED DESCRIPTION

[0059] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0060] In order to thoroughly understand the present invention, a detailed description will be provided in the following description. Obviously, the implementation of the present invention is not limited to the specific details familiar to those skilled in the art. The preferred embodiments of the present invention are described in detail below, but in addition to these detailed descriptions, the present invention may also have other embodiments.

[0061] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of the features, wholes, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or combinations thereof.

[0062] Ordinal numbers such as "first" and "second" cited in the present invention are merely identifiers and do not have any other meanings, such as a specific order, etc. Moreover, for example, the term "first component" itself does not imply the existence of the "second component", and the term "second component" itself does not imply the existence of the "first component".

[0063] It should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside" and similar expressions used in this document are for illustrative purposes only and are not limiting.

[0064] Now, exemplary embodiments according to the present utility model will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in a variety of different forms and should not be interpreted as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present utility model thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art.

[0065] The preferred embodiment of the present invention provides a cooking utensil, which comprises a pot body and a cover body 1 (such as Figure 1 As shown in FIG. 1 ). The pot body has a cylindrical inner pot storage portion. The inner pot can be fixedly arranged at the inner pot storage portion, or can be freely placed in or taken out of the inner pot storage portion to facilitate cleaning of the inner pot. The inner pot is usually made of metal material and has a circular opening on the upper surface for holding materials to be heated, such as rice, soup, etc. The pot body includes a heating device for heating the inner pot, such as a heating plate, to heat the inner pot.

[0066] It can be understood that the cooking utensil according to the present invention can be an electric rice cooker, an electric pressure cooker or other cooking utensil, and the cooking utensil can have various functions such as cooking porridge in addition to the function of cooking rice.

[0067] The cover 1 has a shape that is substantially corresponding to the pot body. The cover 1 can be opened and closed on the pot body. Specifically, it is pivotally connected to the pot body via a pivot shaft and can freely pivot between a closed position and an open position relative to the pot body around a pivot axis where the pivot shaft is located, so as to facilitate the closing and opening of the pot body. When the cover 1 is closed on the pot body, it covers the inner pot and forms a cooking space between the inner pot and the cover 1. The cover 1 is usually also provided with a pot mouth sealing ring, which can be made of, for example, a rubber material, and is arranged between the cover 1 and the inner pot to seal the cooking space when the cover 1 is in the closed state.

[0068] Figures 1 to 4 The cover body 1 of the preferred embodiment of the utility model is schematically shown. Figure 1 and Figure 2 As shown, the cover body 1 may include a liner 10, a face cover assembly 20 located on the upper side or outer side of the liner 10, and a removable cover assembly 30 located on the lower side or inner side of the liner 10. The face cover assembly 20 may be mounted to the liner 10 by other suitable means such as snaps or fasteners. The removable cover assembly 30 may be removably mounted to the liner 10 by other suitable means such as snaps or fasteners, so as to facilitate the removal of the removable cover assembly 30 for cleaning.

[0069] It should be noted that the directional terms used in this article to describe the various components and parts of the cover body 1, such as "up", "down", "above", "below", "upward", "downward", "upward", "downward", etc., are relative to the cover body 1 in a horizontally placed and closed state.

[0070] The removable cover assembly 30 may include a removable cover 31, an annular removable cover seat 32, and the pot mouth sealing ring 36. The removable cover seat 32 can detachably connect the removable cover 31 and the pot mouth sealing ring 36 to the liner 10. The removable cover 31 can be connected to the removable cover seat 32 by other suitable means such as snap fastening or fastener fastening, and the pot mouth sealing ring 36 is pressed against the removable cover 31.

[0071] The cover 1 further includes an infrared heating assembly 40, which is used to radiate infrared rays, such as far infrared rays, to the cooking space. The infrared heating assembly 40 radiates infrared rays to the cooking space during the cooking process, which can improve the heat utilization efficiency, effectively heat the food, heat the food evenly, stimulate the aroma of the food, and make the food more delicious; the infrared heating assembly 40 can also generate infrared rays to keep the food warm after the cooking process.

[0072] The infrared heating assembly 40 may include a heating element 41 and an isolating member 42. The heating element 41 can work when powered on. The isolating member 42 can isolate the heating element 41 from the cooking space, isolate and protect the heating element 41, and avoid the risk of electric shock caused by the user directly touching the heating element 41 when the cover 1 is opened.

[0073] The lower surface of the isolating member 42 can be at least partially exposed to the cooking space. In other words, the lower surface of the isolating member encloses a portion of the cooking space, so that the steam generated during the cooking process can directly contact the lower surface of the isolating member 42. Since the isolating member 42 has a higher temperature due to the action of the heating element 41, it can effectively prevent condensed water from being generated on its lower surface or volatilize the generated condensed water, thereby preventing the condensed water from flowing back and affecting the taste of the food.

[0074] In one example, the isolating member 42 may be configured as a ceramic element, which is used to radiate infrared rays to the cooking space after being heated. The heating element 41 is used to heat the ceramic element, for example, by heating it at a preset power or a preset temperature, so that the ceramic element is heated and radiates infrared rays to the cooking space. Furthermore, the heating power or heating temperature of the heating element 41 may be controlled, thereby controlling the temperature of the ceramic element to suit respective cooking conditions. In this solution, the heating element 41 may be a heating layer, a heating wire, etc.

[0075] After being heated, the ceramic element can radiate infrared rays of various wavelengths to the cooking space, and thus can also be called an infrared ceramic element. The main wavelength of infrared rays is 2μm to 14μm, for example, 2μm, 4μm, 6μm, 8μm, 10μm, 12μm, 14μm, etc. The heating element 41 can raise the temperature of the ceramic element to a preset temperature, for example, the preset temperature can be 80℃ to 300℃, to radiate infrared rays with a main wavelength of 2μm to 14μm to assist in cooking food. The wiring terminal of the heating element 41 is electrically connected to the control board through a wire so as to work in an electrically controlled manner.

[0076] During the cooking process, the ceramic element radiates infrared rays with a main wavelength of 2μm to 14μm to the cooking space, which can improve the heat utilization efficiency, effectively heat the food, make the food heated evenly, stimulate the aroma of the food, and make the food more delicious; the ceramic element can also generate infrared rays to keep the food warm after the cooking process. Since the ceramic element itself is relatively hard and not easy to damage, it can be at least partially exposed to the cooking space, and no additional isolation and protection parts are required to isolate and protect it. In this way, the number of components in the cover body 1 can be reduced, the structure of the cover body 1 can be simplified, and the cost is low.

[0077] In addition, the ceramic element can generate infrared rays by generating heat, and its own temperature is relatively high, which can effectively prevent condensation from forming on its lower surface or evaporate the condensation that has already formed, thereby preventing the condensation from flowing back and affecting the taste of food.

[0078] In other alternative examples, the heating element 41 is configured as an infrared heating element, which generates infrared rays by self-heating. The isolator 42 is at least partially made of a light-transmitting material so that the infrared rays generated by the infrared heating element are radiated to the cooking space. The isolator 42 is light-transmitting as a whole, or the part of the isolator 42 corresponding to the infrared heating element is light-transmitting. The light-transmitting material may include glass or light-transmitting plastic, for example, transparent tempered glass, silicon glass, germanium glass, light-transmitting PC (Polycarbonate), etc. Optionally, the infrared heating element may be made of a carbon-containing material, for example, a carbon component, one example of which is a carbon fiber component, or a carbon coating, one example of which is a carbon fiber coating.

[0079] The heating element 41 is disposed on the portion of the isolating member 42 except for the lower surface thereof. The heating element 41 is disposed above the isolating member 42. The arrangement method can be selected arbitrarily as required, for example, the heating element 41 is laid on the isolating member 42. In one example, for example Figure 3 As shown, the heating element 41 is laid on the upper surface of the isolation member 42. By supporting and fixing the heating element 41 with the aid of the isolation member 42, the isolation member 42 and the heating element 41 can be arranged more compactly, thereby improving the internal space utilization of the cover body 1 and facilitating the miniaturization of the product. The isolation member 42 can be plate-shaped or can be formed in other structures other than plate-shaped.

[0080] like Figure 2 As shown, the liner 10 is provided with a liner opening 11. The spacer 42 is installed at the liner opening 11. The removable cover 31 is arranged below the spacer 42. The removable cover 31 can be partially provided with a removable cover opening 33. The removable cover opening 33 corresponds to the position of the spacer 42. In other words, the removable cover opening 33 is located directly below the spacer 42. Infrared rays can be radiated toward the inner pot 2 via the liner opening 11 and the removable cover opening 33.

[0081] In order to better fix the isolation member 42, as Figure 2 As shown, the liner 10 may be provided with a support portion 12. The support portion 12 is arranged around the liner opening 11, and the support portion 12 forms a closed annular structure. The outer periphery of the isolating member 42 can overlap the support portion 12, for example, overlap the bottom wall of the support portion 12 and abut against the side wall of the support portion 12. Thus, the support portion 12 can provide an upward support force to the isolating member 42, and limit the movement of the isolating member 42 in the horizontal direction, so as to facilitate the fixing of the isolating member 42.

[0082] The cover body 1 may further include a sealing ring 50. Specifically, the removable cover 31 includes an opening edge portion 38 that forms a removable cover opening 33. The sealing ring 50 is disposed at least one of the opening edge portion 38 and the support portion 12 to form a seal at least between the spacer 42 and the removable cover 31 to prevent steam from entering the interior of the cover body 1 from the gap therebetween, thereby improving the sealing effect of the cover body 1. One example is that the sealing ring 50 is disposed at the opening edge portion 38 and is in interference fit with the spacer 42; an alternative example is that the sealing ring 50 is disposed at the support portion 12 and is in interference fit with both the spacer 42 and the removable cover 31, specifically, in interference fit with the outer periphery of the spacer 42 and the opening edge portion 38.

[0083] Return to see Figure 1 , the cover body 1 may be provided with a steam channel structure 60, which is arranged at the rear of the cover body 1. The steam channel structure 60 forms a steam channel extending in the vertical direction. Specifically, the steam channel structure 60 may include a steam valve 61, a steam channel wall 62 and a steam channel seal 63. The steam valve 61 is provided on the face cover assembly 20. The steam channel wall 62 extends in the vertical direction and is located between the face cover assembly 20 and the liner 10. The steam channel wall 62 encloses a steam channel, and the steam channel seal 63 is provided with a penetrating steam channel.

[0084] In order to avoid the relatively low temperature of the removable cover 31 during cooking, which may cause condensation on the removable cover 31, Figure 2 and Figure 3 As shown, the present embodiment is also provided with a heat conducting portion 80, which corresponds to the low temperature area of ​​the removable cover 31. It can be understood that the heat conducting portion 80 has good thermal conductivity and can effectively transfer heat. The heat conducting portion 80 is provided on one of the removable cover 31 and the spacer 42, and protrudes toward the other of the removable cover 31 and the spacer 42. In the illustrated embodiment, the heat conducting portion 80 is provided on the removable cover 31 and protrudes toward the spacer 42. The top surface of the heat conducting portion 80 can contact or approach the spacer 42 so that the heat of the spacer 42 is transferred to the removable cover 31. In an embodiment not shown, the heat conducting portion 80 is provided on the spacer 42 and protrudes toward the removable cover 31. The bottom surface of the heat conducting portion 80 contacts or approaches the removable cover 31.

[0085] In this embodiment, when the cooking utensil is used for cooking, the heat conducting part 80 can effectively transfer the heat of the isolating member 42 to the removable cover 31, so that the temperature of the removable cover 31 is kept at a high level, and condensation water is prevented from being generated on the removable cover 31 and falling onto the food. In this way, the taste of the food will be better, and the user experience will be improved.

[0086] The heat conducting part 80 can be arranged around the removable cover opening 33, and can transfer heat to the removable cover 31 at various positions on the circumference of the removable cover 31. The temperature of the part of the removable cover 31 exposed to the cooking space can be increased, and condensation water can be more effectively avoided on the removable cover 31. The removable cover 31 is made of metal material, so that the metal heat conducting part 80 has better thermal conductivity and better thermal conductivity efficiency.

[0087] The removable cover 31 includes a cover body 37 and an opening edge 38 forming a removable cover opening 33. The cover body 37 is connected to the opening edge 38. The heat conducting portion 80 may be formed in at least one of the cover body 37 and the opening edge 38. Either or both of the cover body 37 and the opening edge 38 may be formed with the heat conducting portion 80, so that the heat of the spacer 42 is transferred to the removable cover 31, and the product has a large degree of freedom in design.

[0088] In one embodiment, the heat conducting portion 80 may be formed on the cover body 37. For example, a portion of the cover body 37 is bent toward the spacer 42 to form the heat conducting portion 80, and the heat conducting portion 80 has a double-sided bent structure. By bending a portion of the cover body 37 to form the heat conducting portion 80, the heat of the spacer 42 can be transferred to the cover body 37. The bending method makes the structure of the removable cover 31 simple and easy to manufacture. In this solution, the heat conducting portion 80 is intermittently or continuously arranged along the removable cover opening 33.

[0089] In another embodiment, Figure 3 As shown, at least the opening edge portion 38 is bent toward the spacer 42 to form a heat conducting portion 80, and the heat conducting portion 80 has a single-side bent structure. By bending at least the opening edge portion 38 to form the heat conducting portion 80, the heat of the spacer 42 can be transferred to at least the opening edge portion 38. Figure 3 It is shown that a part of the cover body 37 and the opening edge 38 are both bent. In this embodiment, a sealing ring may not be provided at the opening edge 38, and the sealing ring 50 at the support portion 12 can form a seal between the spacer 42 and the removable cover 31. Specifically, the sealing ring 50 has a sealing portion extending downward, and the sealing portion abuts against the removable cover 31.

[0090] In other embodiments not shown, the heat conducting portion 80 is an independent component and is fixed to the removable cover 31 .

[0091] Furthermore, if Figure 3As shown, the isolating member 42 includes a radiation area R1 exposed to the cooking space and a heat-conducting area R2 corresponding to the position of the heat-conducting portion 80. Since the isolating member 42 is exposed to the cooking space via the removable cover opening 33, the radiation area R1 can be defined by the removable cover opening 33. For example, the shape of the radiation area R1 corresponds to the shape of the removable cover opening 33, and the size of the radiation area R1 is related to the size of the removable cover opening 33. The area of ​​the isolating member 42 covered by the removable cover 31 is at least the heat-conducting area R2. The projection of the heat-conducting portion 80 on the plane where the isolating member 42 is located is located within the heat-conducting area R2. For the above-mentioned solution in which the heat-conducting portion 80 is provided on the isolating member 42, the heat-conducting portion 80 protrudes downward from the lower surface of the heat-conducting area R2. For the illustrated embodiment, the radiation area R1 is at least located in the middle of the isolating member 42, and the heat-conducting area R2 surrounds the radiation area R1.

[0092] The thickness of the heat-conducting region R2 is smaller than that of the radiation region R1, so that the heat-conducting region R2 and the radiation region R1 have different heat-conducting efficiencies; when the infrared heating assembly 40 is working, different temperatures can be formed in the heat-conducting region R2 and the radiation region R1 to meet the needs of different cooking situations. For example, in a cooking situation, the heat generated by the heating element 41 is relatively uniform. After the isolation member 42 is heated, the heat-conducting region R2 has a smaller thickness and a higher heat-conducting efficiency, so that its temperature will be greater than the temperature of the radiation region R1; the heat of the heat-conducting region R2 is transferred to the removable cover 31 via the heat-conducting portion 80, so that the temperature of the removable cover 31 can be quickly heated up and reach a higher temperature; the higher the temperature of the heat-conducting region R2, the higher the temperature of the removable cover 31, which effectively avoids the generation of condensed water on the removable cover 31 to prevent the condensed water from falling onto the food.

[0093] A portion of the heating element 41 is disposed in the radiation region R1, and another portion of the heating element 41 is disposed in the heat conduction region R2. For example, the heating element 41 may be a heating wire, and illustratively, a portion of the heating wire is laid on the upper surface of the radiation region R1, and another portion of the heating wire is laid on the upper surface of the heat conduction region R2. The heating element 41 can generate relatively uniform heat when working, so that after the isolation member 42 is heated, the temperature of the heat conduction region R2 can be greater than the temperature of the radiation region R1, so that the temperature of the removable cover 31 is higher.

[0094] As an example of the isolation member 42 , the upper surface and / or the lower surface of the heat conduction region R2 may form a recessed platform relative to the radiation region R1 . Figure 4The upper surface of the heat-conducting region R2 is exemplarily shown to form a concave platform relative to the radiation region R1, that is, the heat-conducting region R2 is concave downward relative to the radiation region R1. The upper surface of the heat-conducting region R2 can be a plane, and the upper surface of the radiation region R1 can also be a plane. The heat-conducting region R2 of this solution can be set to have a uniform thickness, and the heat-conducting efficiency is roughly the same at each position in the radial direction, which is conducive to the rapid heating of the removable cover through the heat conduction of the heat-conducting part 80. The structure of the isolation member 42 is simple and convenient for production and manufacturing.

[0095] Another example of the isolation member 42 is that the upper surface and / or the lower surface of the heat conduction region R2 is at least partially formed into an inclined surface F1 or a curved surface, so that the thickness of at least a portion of the heat conduction region R2 gradually decreases in a direction away from the radiation region R1. Figure 5 As shown, the upper surface of the heat conducting region R2 is at least partially formed into an inclined surface F1. Figure 5 The inclined surface F1 is exemplarily shown to extend radially outward from the connecting position of the heat conducting region R2 and the radiation region R1 to the middle of the heat conducting region R2. Of course, if necessary and / or desired, it can also extend to the outer edge of the heat conducting region R2. The thickness of the heat conducting region R2 of this solution is uneven, and the heat conducting efficiency varies at various positions in the radial direction, which improves the design freedom of the product.

[0096] Another example of the isolating member 42 is as follows: Figure 6 As shown, the first material of the heat conduction region R2 is different from the second material of the radiation region R1, and the thermal conductivity of the first material is greater than the thermal conductivity of the second material. In this solution, the thickness of the heat conduction region R2 can be equal to the thickness of the radiation region R1, and the different thermal conductivity coefficients of the materials are used to achieve different thermal conduction efficiencies between the heat conduction region R2 and the radiation region R1. Alternatively, in this solution, the thickness of the heat conduction region R2 can be less than the thickness of the radiation region R1, and the different thermal conductivity coefficients and thicknesses of the materials are used to achieve different thermal conduction efficiencies between the heat conduction region R2 and the radiation region R1, and the heat conduction effect is better, and the removable cover 31 can reach a higher temperature.

[0097] Return to see Figure 2 , the heating element 41 is fixed to the upper surface of the isolating member 42 or embedded in the interior of the isolating member 42. In the illustrated embodiment, the heating element 41 is laid on the upper surface of the isolating member 42. The heating element 41 can be laid in a manner of being attached to the upper surface of the isolating member 42, or at least partially embedded in the upper surface of the isolating member 42. Schematically, for example, the heating element 41 can be bonded to the upper surface of the isolating member 42 by any suitable means such as tape, adhesive, etc. Of course, the heating element 41 can also be connected to the upper surface of the isolating member 42 by other means.

[0098] In the solution of ceramic elements, the heating element 41 is generally made of metal. The illustrated embodiment schematically shows that the heating element 41 is configured as a filament, in other words, the heating element 41 is a heating wire. The filamentary heating element 41 can be laid in a single winding or in a plurality of windings in series or in parallel. In other embodiments not shown, the heating element 41 can be configured as a sheet, such as a metal sheet, and the sheet-like heating element 41 is laid horizontally. The heating element 41 can be configured as a heating layer formed on the upper surface of the insulating member 42. The heating layer is formed of a conductive material such as graphite, for example, and can be provided on the insulating member 42 by means of silk screen printing or the like. Of course, the specific structure of the heating element 41 is not limited and can be arbitrarily set as needed.

[0099] The removable cover 31 is provided with a steam port 35. The removable cover 31 may be provided with a protrusion 34 protruding toward the center of the removable cover opening 33. The protrusion 34 is formed with a steam port 35 communicating with the steam channel structure 60.

[0100] In an embodiment not shown, the isolating member 42 may be provided with an avoidance gap. The heat conducting portion 80 is separated by the steam port 35. This solution can reduce the amount of ceramic material while increasing the infrared radiation area R1, can reduce production costs, and the processing technology of the isolating member 42 is simple. The heat conducting portion 80 has a larger heat transfer area and can transfer more heat.

[0101] In another embodiment, such as the illustrated embodiment, the isolating member 42 may be provided with an avoidance through hole 43. The steam channel structure 60 may be provided through the avoidance through hole 43. The heat conducting portion 80 is blocked by the steam port 35. The isolating member 42 has a large infrared radiation area R1, and the processing technology of the isolating member 42 is simple. The heat conducting portion 80 has a large heat transfer area for heat, and can transfer more heat.

[0102] In another embodiment not shown, the spacer 42 is circular and has no through hole. The steam channel structure 60 is located on one side of the spacer 42, specifically the rear side. The heat conducting portion 80 is located radially inward of the center of the steam port 35 close to the cover body 1 and is continuously arranged at a position corresponding to the steam channel structure 60. In this solution, the spacer 42 is not penetrated by the steam channel structure 60 and is of a standard shape. The structure of the spacer 42 is simple and convenient for production and manufacturing.

[0103] The cover body 1 also includes a fixing member 70, which is located above the isolation member 42 and presses down the isolation member 42. The fixing member 70 includes a mounting portion 71 and a pressing portion 72. The mounting portion 71 is detachably connected to the liner 10, for example, the liner 10 is provided with a fixing portion 13 at intervals, and the mounting portion 71 is detachably connected to the fixing portion 13. The illustrated embodiment schematically shows that the fixing member 70 is fixed to the liner 10 by fasteners such as screws, the mounting portion 71 is provided with a screw hole, the fixing portion 13 is configured as a screw column, the screw column is connected to the side wall of the support portion 12, and the screw passes through the screw hole from top to bottom and is then locked to the screw column. The pressing portion 72 can abut against the outer periphery of the isolation member 42 and press down the isolation member 42. The pressing portion 72 can be annular.

[0104] In one embodiment, the fixing member 70 is integrally configured as an open or closed annular member. As shown in the embodiment shown in the figure, the fixing member 70 can be integrally formed as a closed annular member with the steam passage wall 62. Of course, it can also be configured as a plurality of members and these plurality of members are arranged at intervals.

[0105] Thus, the fixing member 70 can provide downward pressure to the isolation member 42 and limit the movement of the isolation member 42 in the vertical direction, so that it can be firmly and reliably fixed to the liner 10, the assembly structure is simple, and the assembly process is easy to operate.

[0106] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art of the present invention. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present invention. The features described herein in one embodiment may be applied to another embodiment alone or in combination with other features, unless the feature is not applicable or otherwise specified in the other embodiment.

[0107] The present invention has been described through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of example and explanation, and the present invention is not limited to the above-mentioned embodiments. According to the teachings of the present invention, more variations and modifications can be made, and these variations and modifications all fall within the scope of protection required by the present invention.

Claims

1. A cooking utensil, comprising a cover and a pot body, wherein the cover can be opened and closed on the pot body to form a cooking space between the cover and the pot body, characterized in that: The cover body comprises: an infrared heating assembly, the infrared heating assembly being used to radiate infrared rays to the cooking space, the infrared heating assembly comprising an isolating member, a lower surface of the isolating member being at least partially exposed to the cooking space; a removable cover disposed below the isolation member; and a heat conducting portion, the heat conducting portion being disposed on one of the removable cover and the isolating member and protruding toward the other of the removable cover and the isolating member, The isolating member includes a radiation area exposed to the cooking space and a heat-conducting area corresponding to the position of the heat-conducting portion, and the thickness of the heat-conducting area is smaller than the thickness of the radiation area.

2. The cooking device according to claim 1, characterized in that: The infrared heating assembly further comprises a heating element, a portion of which is arranged in the radiation area, and another portion of which is arranged in the heat conduction area.

3. The cooking device according to claim 1, characterized in that: An upper surface and / or a lower surface of the heat conducting area forms a concave platform relative to the radiation area.

4. The cooking device according to claim 1, characterized in that: The upper surface and / or the lower surface of the heat conducting area is at least partially formed as an inclined surface or a curved surface, and / or the thickness of at least a part of the heat conducting area gradually decreases in a direction away from the radiation area.

5. The cooking device according to claim 1, characterized in that: The first material of the heat conduction region is different from the second material of the radiation region, and the thermal conductivity of the first material is greater than the thermal conductivity of the second material.

6. The cooking device according to claim 1, characterized in that: The heat conducting portion is formed by bending a portion of the removable cover or the heat conducting portion is an independent component and is fixed to the removable cover, wherein the top surface of the heat conducting portion contacts or is close to the isolation member; and / or The heat conducting portion protrudes downward from the lower surface of the heat conducting area, and the bottom surface of the heat conducting portion contacts or is close to the detachable cover.

7. The cooking appliance according to any one of claims 1 to 6, characterized in that: The infrared heating assembly further comprises a heating element, the heating element is used to heat the isolation element, the isolation element is configured as a ceramic element, and is used to radiate infrared rays to the cooking space after being heated; or The infrared heating assembly further comprises a heating element, which is configured as an infrared heating element for radiating infrared rays to the cooking space, and the isolation member is at least partially made of a light-transmitting material.

8. The cooking appliance according to any one of claims 1 to 6, characterized in that: The cover body further comprises an inner liner, wherein the inner liner is provided with an inner liner opening and a support portion, wherein the support portion is arranged around the inner liner opening, and an outer peripheral edge of the isolating member is overlapped with the support portion.

9. The cooking device according to claim 8, characterized in that: The cover body also includes a sealing ring, the removable cover is provided with a removable cover opening, the removable cover includes an opening edge portion forming the removable cover opening, and the sealing ring is arranged at least one of the opening edge portion and the supporting portion to form a seal between the isolation member and the removable cover.

10. The cooking appliance according to any one of claims 1 to 6, characterized in that The cover body also includes an inner lining and a fixing member connected to the inner lining, wherein the fixing member is located above the isolating member and presses down the isolating member, and the fixing member is integrally constructed as an open or closed annular member or as a plurality of members arranged at intervals.

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