CN220546165U - cooking utensils - Google Patents

Abstract

The utility model discloses a cooking utensil, which includes a cover body and a pot body. The lid body can be opened and closed on the pot body to form a cooking space between the cover body and the pot body. The cover body includes ceramic elements for After being heated, infrared rays are radiated to the cooking space, and the lower surface of the ceramic element is at least partially exposed to the cooking space. The ceramic element includes a ceramic body and a ceramic convex portion. The ceramic convex portion protrudes downward from the lower surface of the ceramic body, and the ceramic convex portion is exposed. in the cooking space. According to the utility model, the ceramic convex part can shorten the distance between the ceramic element and the food, and the radiation distance of the infrared rays reaching the food is shortened to a certain extent. By shortening the radiation distance, the intensity and efficiency of the thermal radiation can be improved to a certain extent, and energy can be avoided. loss, the heating effect of food is better, which can enhance the market competitiveness of the product.

Description

cooking utensils

Technical field

The utility model relates to the technical field of kitchen appliances, specifically a cooking utensil.

Background technique

The lids of existing cooking appliances such as rice cookers are equipped with infrared heating devices, such as carbon fiber heating tubes, which can radiate infrared rays during cooking to assist cooking of food directly through heat radiation, making the cooked food more delicious. Fragrant and more delicious. And continues to radiate infrared rays on food to keep it warm after cooking.

The bottom of the infrared heating device is generally equipped with a removable cover that can be removed from the cover. The removable cover is transparent so that infrared rays can pass through. The infrared heating elements in existing infrared heating devices are all placed on the same plane, and the effect of heating food is not good.

Therefore, there is a need for a cooking appliance that can at least partially solve the above problems.

Utility model content

A series of concepts in simplified form are introduced in the content part of the utility model, which will be explained in further detail in the detailed description part. The utility model content part of the present utility model does not mean an attempt to define the key features and necessary technical features of the claimed technical solution, nor does it mean an attempt to determine the protection scope of the claimed technical solution.

In order to at least partially solve the above problems, the utility model provides a cooking utensil, which includes a cover body and a pot body. The lid body is openably and closably arranged on the pot body to connect the lid body and the pot body. A cooking space is formed between the bodies, and the cover body includes:

A ceramic element used to radiate infrared rays to the cooking space after being heated. The lower surface of the ceramic element is at least partially exposed to the cooking space. The ceramic element includes:

ceramic body; and

A ceramic protrusion protrudes downward from the lower surface of the ceramic body and is exposed to the cooking space.

According to this solution, the ceramic convex portion can shorten the distance between the ceramic element and the food, and the radiation distance of the infrared rays reaching the food is shortened to a certain extent. Since the thermal radiation intensity is generally inversely proportional to the positive Nth power of the distance (N is, for example, 3), that is to say, the shorter the radiation distance, the greater the thermal radiation intensity. Therefore, by shortening the radiation distance, the thermal radiation can be improved to a certain extent. Strength and efficiency, avoid energy loss, better heating effect of food, can enhance the market competitiveness of products.

Optionally, the cover further includes a detachable cover, the detachable cover is disposed below the ceramic component and is provided with a detachable cover opening, and the ceramic convex portion is positioned opposite to the detachable cover opening. correspond.

According to this solution, the infrared rays generated by the ceramic element can be radiated toward the inner pot through the opening of the detachable cover, and the space at the opening of the detachable cover is used to make the ceramic convex portion protrude downward, so as to shorten the radiation distance of the ceramic element. In addition, the ceramic convex portion can reduce the height difference between the ceramic element and the detachable cover, and the internal appearance of the cover body is more tidy as a whole, allowing users to have a better impression of the internal appearance of the cover body when the cover body is opened, which can improve the quality of the product. Market Competitiveness.

Optionally, the ceramic protrusion protrudes downward to be close to the detachable cover opening, or enters the detachable cover opening, or is flush with the lower surface of the detachable cover opening, or passes through the detachable cover opening. Removable cover opening.

According to this solution, the size of the ceramic convex portion protruding downward can be set to have various relative positions with the detachable cover opening as needed. In addition, manufacturing tolerances and/or installation tolerances will also affect the size of the ceramic convex portion and the detachable cover opening. relative position.

Optionally, the ceramic protrusion is adapted in shape and/or size to the detachable lid opening; and/or the bottom surface of the ceramic protrusion is flat.

According to this solution, the internal appearance of the cover body can be further tidied as a whole, so that the user can have a better impression of the internal appearance of the cover body when the cover body is opened.

Optionally, the cover further includes a heating element for heating the ceramic element.

According to this solution, by heating the heating element, the ceramic element is placed at a higher temperature, so that the ceramic element can radiate infrared rays that are more effective for heating food, and the preset power or preset temperature of the heating element can be set in advance to heat the ceramic element. To control the temperature of the ceramic element, suitable for respective cooking conditions.

Optionally, the ceramic body extends above the ceramic convex portion and penetrates the ceramic convex portion.

According to this solution, the ceramic component does not need to be provided with a downwardly concave ceramic recess, which can improve the design freedom of the ceramic component.

Optionally, the cover further includes a heating element for heating the ceramic element, the heating element is disposed on the upper surface of the ceramic body and is at least partially connected to the ceramic convex portion. corresponding to the position.

According to this solution, the distance between the heating element and the ceramic convex part can be made closer, and the heating element can be transmitted to the ceramic convex part more effectively, so that the ceramic convex part can radiate more infrared rays.

Optionally, the ceramic element further includes a ceramic recess, the ceramic recess is recessed downward from the upper surface of the ceramic body, and the ceramic recess corresponds to the position of the ceramic convex part.

According to this solution, the thickness of the ceramic component can be locally thinned, the material consumption of the ceramic component can be reduced, and the material cost of the ceramic component can be reduced.

Optionally, the cover further includes a heating element, the heating element is used to heat the ceramic element, and the heating element is disposed in the ceramic recess.

According to this solution, the distance between the heating element and the ceramic convex part can be made closer, and the heating element can be transferred to the ceramic convex part more effectively, so that the ceramic convex part can radiate more infrared rays, improve the thermal efficiency of the heating element, and increase the internal space of the cover. The utilization rate is conducive to the miniaturization of the cover body.

Optionally, the ceramic recess and the ceramic convex part match in shape and/or size; this solution facilitates the production of ceramic components, can make the ceramic recess have a larger recessed area, and further reduce the material of the ceramic component. Dosage.

And/or the ceramic element is integrally concave to form the ceramic concave portion and the ceramic convex portion. This solution can make the production of the ceramic element easier, and the thickness of the ceramic element at the ceramic body and the ceramic convex portion is approximately the same.

And/or the bottom surface of the ceramic recess is flat. This solution facilitates the installation and fixation of the heating element.

Optionally, the cover further includes a lining, the lining is provided with a lining opening and a support portion, the support portion is provided around the lining opening, and the outer peripheral edge of the ceramic body overlaps the lining opening. The bottom wall of the support part is in contact with the side wall of the support part.

According to this solution, the support part can provide upward support force to the ceramic component and limit the movement of the ceramic component in the horizontal direction, thereby facilitating the fixation of the ceramic component.

Optionally, the cover further includes a detachable cover and a sealing ring. The detachable cover is provided below the ceramic component and is provided with a detachable cover opening. The detachable cover includes a sealing ring that forms the detachable cover. An opening edge portion of the opening, the sealing ring is disposed between the opening edge portion and the ceramic body and between the support portion and the ceramic body.

According to this solution, the gap between the ceramic element and the lining and the gap between the ceramic element and the detachable cover can be sealed to prevent steam from entering the inside of the cover body from these gaps, thereby improving the sealing effect of the cover body.

Optionally, the same sealing ring is provided between the opening edge part and the ceramic body and between the support part and the ceramic body;

According to this solution, the same sealing ring can be used to seal gaps at different positions; the number of components in the cover body can be reduced, the structure of the cover body can be simplified, and the assembly efficiency of components in the cover body can be improved.

Or different sealing rings are respectively provided between the opening edge part and the ceramic body and between the support part and the ceramic body.

According to this solution, the gaps at different positions can be sealed independently, the sealing effect is better, and the structure of each sealing ring is simplified, which facilitates the production and manufacturing of each sealing ring.

Optionally, the support part is provided with a positioning protrusion, the ceramic component is provided with a positioning opening, and the positioning protrusion is at least partially located within the positioning opening.

According to this solution, a positioning structure that cooperates with each other is provided at the ceramic element and the lining, which can prevent misoperation when installing the ceramic element.

Optionally, the cover further includes an inner lining and a fixing part connected to the lining. The fixing part is located above the ceramic element and presses down the ceramic element. The fixing part is integrally configured to be open. Either a closed annular member or constructed into multiple members spaced apart.

According to this solution, the fixing piece can provide downward pressure to the ceramic component and limit the movement of the ceramic component in the vertical direction, so that it can be firmly and reliably fixed to the lining. The assembly structure is simple and the assembly process is easy to operate.

Optionally, a steam channel structure is provided in the cover body, and the ceramic element is provided with an escape through hole or an escape notch for the steam channel structure to pass through;

According to this solution, the ceramic element has a larger radiation area for infrared rays, and the thermal conductive member has a larger heat transfer area for heat, and can transfer more heat.

Or the cover body is provided with a steam channel structure, and the entire ceramic element is located on one side of the steam channel structure.

According to this solution, the size of the ceramic component is relatively small and the material cost is low.

Description of drawings

The following drawings of the present invention are hereby regarded as a part of the present invention for understanding the present invention. The drawings illustrate embodiments of the present invention and their descriptions to explain the principles of the present invention.

In the attached picture:

Figure 1 is a cross-sectional view of a cover according to a preferred embodiment of the present invention;

Figure 2 is a perspective exploded cross-sectional view of a portion of the cover shown in Figure 1;

Figure 3 is an enlarged view of part A in Figure 1;

Figure 4 is a perspective view of the ceramic component shown in Figure 2;

Figure 5 is a cross-sectional view of the ceramic element with a heating element in Figure 2;

FIG. 6 is a cross-sectional view of a ceramic component with a heating component according to another embodiment of the present invention.

Explanation of reference symbols:

1 cover 10 lining

11 Lining opening 12 Support part

13 Fixed part 14 Positioning protrusion

20 side cover components 30 removable cover components

31 removable cover 32 removable cover base

33Removable cover opening 34Protrusion

35 steam port 36 pot mouth sealing ring

37 opening edge 40 ceramic element

41 Ceramic body 42 Ceramic convex part

43 Ceramic recess 44 Avoidance through hole

45 positioning port 51 heating element

52 first sealing ring 53 second sealing ring

54 pressing parts 60 steam channel structure

61 Steam valve 62 Steam channel wall

63 Steam channel seal 70 Fixing piece

71 Installation part 72 Pressure part

Detailed ways

In the following description, numerous specific details are given in order to provide a more thorough understanding of the invention. However, it will be apparent to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features well known in the art are not described in order to avoid confusion with the present invention.

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

It should be noted that the terms used herein are for describing specific embodiments only and are not intended to limit the exemplary embodiments according to the present invention. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, it should also be understood that when the terms "comprises" and/or "includes" are used in this specification, they indicate the presence of said features, integers, steps, operations, elements and/or components but do not exclude the presence or Attaching one or more other features, integers, steps, operations, elements, components and/or combinations thereof.

Ordinal words such as "first" and "second" cited in the present invention are merely identifiers and do not have any other meaning, such as a specific order. Furthermore, for example, the term "first component" does not by itself imply the presence of a "second component" and the term "second component" does not by itself imply the presence of a "first component".

It should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inner", "outer" and similar expressions used in this article are for illustrative purposes only. , not a restriction.

Now, exemplary embodiments according to the present invention will be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concepts of these exemplary embodiments to those skilled in the art.

The preferred embodiment of the present invention provides a cooking utensil, which includes a pot body and a lid body 1 (as shown in Figure 1). The pot body has a cylindrical inner pot storage portion. The inner pot can be fixedly arranged at the inner pot receiving portion, or can be freely put into or taken out of the inner pot receiving 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, which is used to hold 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.

It can be understood that the cooking appliance according to the present invention can be a rice cooker, an electric pressure cooker or other cooking appliances, and in addition to the function of cooking rice, the cooking appliance can also have various functions such as cooking porridge.

The lid 1 has a shape that basically corresponds to the pot body. The cover 1 is openably and closably disposed on the pot body. Specifically, it is pivoted to the pot body through a pivot axis, and can move between a closed position and an open position relative to the pot body around the pivot axis where the pivot axis is located. Freely pivots to facilitate closing and opening of the pot. When the lid body 1 is closed on the pot body, it covers the inner pot and forms a cooking space between the lid body 1 and the inner pot. The lid 1 usually also has a pot mouth sealing ring. The pot mouth sealing ring can be made of, for example, rubber material. It is arranged between the lid 1 and the inner pot and is used to seal the cooking space when the lid 1 is in the closed state. .

Figures 1 to 4 schematically illustrate the cover 1 of the preferred embodiment of the present invention. As shown in FIGS. 1 and 2 , the cover 1 may include an inner liner 10 , a cover assembly 20 located on the upper side or outer side of the inner liner 10 , and a removable cover assembly 30 located on the lower side or inner side of the inner liner 10 . . The face cover assembly 20 may be mounted to the liner 10 by other suitable means such as snap or fastener fastening. The removable cover assembly 30 may be removably mounted to the lining 10 through other suitable means such as buckles or fasteners to facilitate removal of the removable cover assembly 30 for cleaning.

It should be noted that this article uses directional terms to describe various components and parts of the cover 1, such as "upper", "lower", "upper", "lower", "upward", "downward", " "Upward", "downward", etc. are relative to the cover 1 in a horizontally placed and closed state.

The detachable lid assembly 30 may include a detachable lid 31, an annular detachable lid base 32 and the above-mentioned pot mouth sealing ring 36. The detachable lid base 32 can detachably connect the detachable lid 31 and the pot mouth sealing ring 36 to the lining 10 . The detachable lid 31 can be connected to the detachable lid base 32 through other suitable means such as buckles or fasteners, and the pot mouth sealing ring 36 can be pressed to the detachable lid 31 .

The cover 1 also includes a ceramic element 40 and a heating element 51 that constitute a top heating device. The ceramic element 40 is used to radiate infrared rays to the cooking space after being heated. The heating element 51 is used to heat the ceramic element 40 , for example, with a preset power or a preset temperature, so that the ceramic element 40 is heated and radiates infrared rays to the cooking space. Furthermore, the heating power or heating temperature of the heating element 51 can be controlled, thereby controlling the temperature of the ceramic element 40 to suit respective cooking conditions.

After being heated, the ceramic element 40 can radiate infrared rays of multiple wavelengths to the cooking space, and thus it can also be called an infrared ceramic element. The main wavelength of infrared rays is 2 μm to 14 μm, such as 2 μm, 4 μm, 6 μm, 8 μm, 10 μm, 12 μm, 14 μm, etc. The heating element 51 can increase the temperature of the ceramic element 40 to a preset temperature, for example, the preset temperature can be 80°C to 300°C, and radiate infrared rays with main wavelengths of 2 μm to 14 μm to assist in cooking food. The terminal 54 of the heating element 51 is electrically connected to the control board through wires so as to operate in an electrically controlled manner.

The ceramic element 40 radiates infrared rays with a main wavelength of 2 μm to 14 μm to the cooking space during the cooking process, 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 40 Infrared rays can also be produced to keep food warm after the cooking process.

The lower surface of the ceramic element 40 can be at least partially exposed to the cooking space. That is to say, no isolation guard is provided on the lower side of the ceramic element 40 to isolate the ceramic element 40 from the cooking space. The steam generated during the cooking process will directly contact the lower surface of the ceramic element 40. Moreover, the ceramic element 40 is relatively hard and not easily damaged, so it can be at least partially exposed to the cooking space without the need for additional isolation and protection components to isolate and protect it. Therefore, the number of components in the cover 1 can be reduced, the structure of the cover 1 can be simplified, and the cost is lower.

A part of the ceramic element 40 can isolate the heating element 51 from the cooking space and prevent the user from directly touching the heating element 51 and causing the risk of electric shock when the cover 1 is opened.

In addition, the ceramic element 40 can generate infrared rays through its own heating, and its own temperature is relatively high, which can effectively prevent condensed water from being generated on its lower surface or evaporate the condensed water that has been generated, thereby preventing the condensed water from refluxing and affecting the taste of the food.

The heating element 51 is provided on the portion of the ceramic element 40 except for the lower surface thereof. The arrangement mode can be selected arbitrarily according to needs. For example, the heating element 51 is laid on the ceramic element 40 . By using the ceramic element 40 to support and fix the heating element 51, the arrangement of the ceramic element 40 and the heating element 51 can be made more compact, the heating effect of the ceramic element 40 can be better, and the internal space utilization of the cover 1 can be improved, making the product compact. change. As shown in FIG. 2 , the lining 10 is provided with a lining opening 11 . Ceramic element 40 is installed at lining opening 11 . The removable cover 31 is provided below the ceramic component 40 . 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 ceramic element 40 . In other words, the removable cover opening 33 is located directly below the ceramic element 40 . The infrared rays generated by the ceramic element 40 can be radiated toward the inner pot through the lining opening 11 and the removable cover opening 33 .

In order to better fix the ceramic element 40, as shown in Figures 2 and 3, the lining 10 can be provided with a support portion 12. The support part 12 is arranged around the lining opening 11, and the support part 12 forms a closed annular structure. The outer periphery of the ceramic component 40 can overlap the bottom wall of the supporting part 12 and abut against the side walls of the supporting part 12 . Therefore, the supporting portion 12 can provide upward supporting force to the ceramic element 40 and limit the movement of the ceramic element 40 in the horizontal direction, thereby facilitating the fixation of the ceramic element 40 .

The cover 1 may also include a sealing ring. The removable cover 31 includes an opening edge portion 37 forming a removable cover opening 33 . The sealing ring is provided between the opening edge portion 37 and the ceramic element 40 and between the support portion 12 and the ceramic element 40 . In one embodiment, the same sealing ring is provided between the opening edge portion 37 and the ceramic element 40 and between the support portion 12 and the ceramic element 40 . Therefore, the gap between the ceramic element 40 and the detachable cover 31 and the gap between the ceramic element 40 and the lining 10 can be sealed simultaneously with one sealing ring. Specifically, the sealing ring is set on the supporting part 12 , part of which is sandwiched between the ceramic component 40 and the supporting part 12 , and the other part is sandwiched between the supporting part 12 and the detachable cover 31 .

In another embodiment, different sealing rings are respectively provided between the opening edge portion 37 and the ceramic component 40 and between the supporting portion 12 and the ceramic component 40 . Therefore, different sealing rings can be used to seal the gaps between the ceramic element 40 and the detachable cover 31 and the gaps between the ceramic element 40 and the lining 10 respectively.

Specifically, the sealing ring includes a first sealing ring 52 . The first sealing ring 52 can be disposed at the removable cover opening 33 . The first sealing ring 52 is provided between the opening edge 37 and the ceramic element 40 . The illustrated embodiment schematically shows that the first sealing ring 52 is fixed to the detachable cover 31 and its upper end abuts against the ceramic element 40; for example, the first sealing ring 52 can be fixed to the detachable cover 31 by a pressing member 54. The cover 31, the pressing member 54 and the first sealing ring 52 are provided with through holes at intervals. The detachable cover 31 is provided with clipping feet at intervals. The clipping feet pass through the through holes of the pressing member 54 and the first sealing ring 52 and then fold. bend. Thus, the gap between the ceramic element 40 and the detachable cover 31 can be sealed, preventing steam from entering the interior of the cover 1 from these gaps, thereby improving the sealing effect of the cover 1 . The first sealing ring 52 is entirely made of flexible and elastic material.

The sealing ring may also include a second sealing ring 53 . The second sealing ring 53 can be disposed at the lining opening 11 . Specifically, the second sealing ring 53 is at least disposed between the supporting part 12 and the ceramic component 40 . The second sealing ring 53 can be fixed to the support 12 or the ceramic element 40 . The illustrated embodiment schematically shows that the second sealing ring 53 is sleeved on the outer periphery of the ceramic component 40 . For example, the second sealing ring 53 is provided with a mounting groove that opens toward its center, and is sleeved on the ceramic component 40 through the mounting groove. the outer periphery. Thus, the gap between the ceramic element 40 and the lining 10 can be sealed, preventing steam from entering the interior of the cover 1 from these gaps, thereby improving the sealing effect of the cover 1 .

Referring back to FIG. 1 , the cover 1 may be provided with a steam channel structure 60 disposed at the rear of the cover 1 . The steam channel structure 60 forms a vertically extending steam channel. 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 cover assembly 20 . The vapor channel wall 62 extends in the vertical direction and is located between the 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.

In order to improve the effect of heating food, the ceramic element 40 is provided with a downwardly protruding portion. Specifically, as shown in FIGS. 1 , 4 and 5 , the ceramic element 40 includes a ceramic body 41 and a ceramic protrusion 42 , the ceramic protrusion 42 protrudes downward from the lower surface of the ceramic body 41 , and the ceramic protrusion 42 can Exposed to the cooking space. The shape, coverage area, downward protruding size, etc. of the ceramic convex portion 42 can be set as needed. The ceramic convex portion 42 can be arranged so that the ceramic body 41 is not exposed to the cooking space, or a small portion of the ceramic body 41 surrounding the ceramic convex portion 42 is exposed to the cooking space.

The ceramic convex portion 42 can shorten the distance between the ceramic element 40 and the food, and the radiation distance of the infrared rays reaching the food can be shortened to a certain extent. Since the thermal radiation intensity is generally inversely proportional to the positive Nth power of the distance (N is, for example, 3), that is to say, the shorter the radiation distance, the greater the thermal radiation intensity. Therefore, by shortening the radiation distance, the thermal radiation can be improved to a certain extent. Strength and efficiency, avoid energy loss, better heating effect of food, can enhance the market competitiveness of products.

The ceramic body 41 is annular as a whole, and the ceramic convex portion 42 is centrally located on the ceramic body 41 . An installation and sealing structure is formed between the ceramic body 41, the lining 10 and the detachable cover 31. Specifically, the outer peripheral edge of the ceramic body 41 overlaps the bottom wall of the support part 12 and abuts against the side wall of the support part 12 . The sealing ring is provided between the opening edge portion 37 and the ceramic body 41 and between the support portion 12 and the ceramic body 41 . As mentioned above, in one embodiment, the same sealing ring is provided between the opening edge portion 37 and the ceramic body 41 and between the support portion 12 and the ceramic body 41 . In another embodiment, different sealing rings are respectively disposed between the opening edge portion 37 and the ceramic body 41 and between the supporting portion 12 and the ceramic body 41 .

The ceramic protrusion 42 can correspond to the position of the removable cover opening 33 . That is to say, the ceramic protrusion 42 can be exposed from the removable cover opening 33 . In this way, the space at the opening 33 of the detachable cover can be used to make the ceramic convex portion 42 protrude downward, so as to shorten the radiation distance of the ceramic element 40 . Moreover, the ceramic convex portion 42 can reduce the height difference between the ceramic element 40 and the detachable cover 31, and the internal appearance of the cover 1 will be neater as a whole, allowing the user to have a better impression of the internal appearance of the cover 1 when the cover 1 is opened. It can enhance the market competitiveness of products.

The bottom surface of the ceramic protrusion 42 may be flat. The shape and/or size of the ceramic protrusion 42 and the detachable cover opening 33 are matched. For example, in the illustrated embodiment, the shape of the detachable cover opening 33 is a circular shape, so the shape of the ceramic protrusion 42 is also Of course, the shapes of the removable lid opening 33 and the ceramic convex portion 42 are not limited, and can be any suitable shape such as a full circle; the size of the removable lid opening 33 and the ceramic convex portion 42 can make the ceramic The convex portion 42 has a larger coverage area. Therefore, the overall internal appearance of the cover 1 can be further tidied, and the user can have a better impression of the internal appearance of the cover 1 when the cover 1 is opened.

The ceramic protrusion 42 can protrude downward to be close to the detachable cover opening 33 , and the bottom surface of the ceramic protrusion 42 is located above the detachable cover opening 33 and there can be a small gap therebetween. Alternatively, the ceramic protrusion 42 may protrude downward into the removable cover opening 33 with the bottom surface of the ceramic protrusion 42 within the removable cover opening 33 . Alternatively, the ceramic protrusion 42 may protrude downward to be flush with the lower surface of the detachable cover opening 33 , and the bottom surface of the ceramic protrusion 42 may be flush with the lower surface of the detachable cover opening 33 . Alternatively, the ceramic protrusion 42 may protrude downwardly through the removable cover opening 33 with the bottom surface of the ceramic protrusion 42 slightly extending beyond the removable cover opening 33 .

The size of the ceramic convex portion 42 that protrudes downward can be set to various relative positions with the detachable cover opening 33 as needed. In addition, manufacturing tolerances and/or installation tolerances will also affect the position of the ceramic convex portion 42 and the detachable cover opening 33 . relative position.

For the embodiment shown in FIGS. 1 to 5 , the ceramic element 40 further includes a ceramic recess 43 that is recessed downwardly from the upper surface of the ceramic body 41 . The position of the ceramic recessed portion 43 corresponds to the ceramic convex portion 42 . In other words, the ceramic recessed portion 43 is provided on the opposite surface of the ceramic convex portion 42 . In this way, the thickness of the ceramic component 40 can be locally thinned, the amount of material used in the ceramic component 40 can be reduced, and the material cost of the ceramic component 40 can be reduced. The heating element 51 can be disposed in the ceramic recess 43 , specifically on the bottom surface of the ceramic recess 43 . This solution can make the heating element 51 and the ceramic convex part 42 closer, and can more effectively transfer the heating element 51 to the ceramic convex part 42, so that the ceramic convex part 42 can radiate more infrared rays, improve the thermal efficiency of the heating element 51; and improve The utilization rate of the internal space of the cover body 1 is beneficial to the miniaturization of the cover body 1 .

The bottom surface of the ceramic recess 43 is flat, which facilitates the installation and fixation of the heating element 51 . Illustratively, for example, the heating element 51 can be bonded to the bottom surface of the ceramic recess 43 through any suitable means such as tape, adhesive, or the like. Of course, the heating element 51 can also be connected to the bottom surface of the ceramic recess 43 in other ways. The heating element 51 may be laid on the bottom surface of the ceramic recess 43 , or may be at least partially embedded in the bottom surface of the ceramic recess 43 .

The ceramic recess 43 and the ceramic protrusion 42 are adapted in shape and/or size. For example, in the illustrated embodiment, the shape of the ceramic protrusion 42 is an oval shape, so the shape of the ceramic recess 43 is also an oval shape. , of course, the shape of the ceramic concave portion 43 and the ceramic convex portion 42 may not be limited, and may be any suitable shape such as a full circle to facilitate the production of the ceramic component 40; the size of the ceramic concave portion 43 and the ceramic convex portion 42 can make the ceramic The recessed portion 43 has a larger recessed area, further reducing the material consumption of the ceramic component 40 . The ceramic component 40 is integrally concave to form the ceramic concave portion 43 and the ceramic convex portion 42. This solution can make the production of the ceramic component 40 easier. The thickness of the ceramic component 40 at the ceramic body 41 and the ceramic convex portion 42 is approximately the same.

In another embodiment, as shown in FIG. 6 , the ceramic component 40 may not be provided with the above-mentioned downwardly recessed ceramic recess 43 . Specifically, the ceramic body 41 extends above the ceramic convex portion 42 and penetrates the ceramic convex portion 42 . The thickness of the ceramic element 40 at the ceramic protrusion 42 is equal to the total thickness of the ceramic body 41 and the ceramic protrusion 42 . As a result, the degree of design freedom of the ceramic component 40 can be increased.

The heating element 51 is provided on the upper surface of the ceramic body 41 . Illustratively, for example, the heating element 51 can be bonded to the upper surface of the ceramic body 41 through any suitable means such as tape, adhesive, or the like. Of course, the heating element 51 can also be connected to the upper surface of the ceramic body 41 in other ways. The heating element 51 can be laid on the upper surface of the ceramic element 40 , or can be at least partially embedded in the upper surface of the ceramic element 40 . The heating element 51 at least partially corresponds to the position of the ceramic convex part 42, which can make the heating element 51 and the ceramic convex part 42 closer, and can more effectively transmit the heating element 51 to the ceramic convex part 42, so that the ceramic convex part 42 can Radiates more infrared rays.

The heating element 51 is generally made of metal. The illustrated embodiment schematically shows that the heating element 51 is configured in a wire shape, in other words, the heating element 51 is a heating wire. The filamentary heating element 51 may be laid as a single wire or multiple wires may be connected in series or parallel. In other embodiments not shown, the heating element 51 can be configured as a sheet, such as a metal sheet, and the sheet-shaped heating element 51 is laid horizontally; the heating element 51 can be configured as a heating layer formed on the upper surface of the ceramic element 40 . Of course, the specific structure of the heating element 51 is not limited and can be arbitrarily set as needed.

As shown in FIGS. 2 and 4 , the support part 12 may be provided with positioning protrusions 14 , and the ceramic component 40 is correspondingly provided with positioning openings 45 . The positioning protrusion 14 can be at least partially located within the positioning opening 45 . The ceramic element 40 and the lining 10 are provided with positioning structures that cooperate with each other to prevent misoperation when installing the ceramic element 40 .

In an embodiment not shown, the ceramic element 40 can be provided with relief notches. This solution can reduce the amount of ceramic material while increasing the infrared radiation area, can reduce production costs, and the processing technology of the ceramic element 40 is simple.

In another embodiment, such as the illustrated embodiment, the ceramic component 40 may be provided with an escape through hole 44 , specifically located on the ceramic body 41 . The steam channel structure 60 can be disposed through the escape through hole 44 . The ceramic element 40 has a large radiation area of infrared rays, and the processing technology of the ceramic element 40 is simple.

In yet another embodiment not shown, the ceramic element 40 is circular and is not provided with through holes. The steam channel structure 60 is located on one side of the ceramic element 40, specifically on the rear side. In this solution, the ceramic element 40 is not penetrated by the steam channel structure 60 and has a regular shape. The ceramic component 40 has a simple structure and is convenient for production and manufacturing.

The detachable cover 31 may be correspondingly provided with a protruding portion 34 protruding toward the center of the detachable cover opening 33 . A steam port 35 communicating with the steam channel structure 60 is formed at the protruding portion 34 .

The cover 1 also includes a fixing part 70 , which is located above the ceramic component 40 and presses down the ceramic component 40 . The fixing part 70 includes a mounting part 71 and a pressing part 72 (Fig. 3). The mounting portion 71 is detachably connected to the lining 10 , for example, the lining 10 is provided with fixing portions 13 at intervals, and the mounting portion 71 is detachably connected to the fixing portion 13 . The illustrated embodiment schematically shows that the fixing part 70 is fixed to the lining 10 by fasteners such as screws, the mounting part 71 is provided with screw holes, the fixing part 13 is configured as a screw column, and the screw column is connected to the side of the supporting part 12 The walls are connected, and the screws pass through the screw holes 73 from top to bottom and are then locked to the screw columns. The pressing portion 72 can contact the outer peripheral edge of the ceramic element 40 and press down the ceramic element 40 .

In one embodiment, as shown in the figure, the fixing member 70 is integrally constructed as an annular member, and the fixing member 70 may be integrally formed with the steam channel wall 62 . Of course, it can also be constructed into multiple components and arranged at intervals.

Therefore, the fixing member 70 can provide downward pressure to the ceramic element 40 and limit the movement of the ceramic element 40 in the vertical direction, so that it can be firmly and reliably fixed to the lining 10. The assembly structure is simple and the assembly process is easy to operate. .

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 the invention. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present invention. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features, unless the feature is inapplicable in that other embodiment or otherwise stated.

The present utility model has been described through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of illustration and illustration. The present utility model is not limited to the above-mentioned embodiments. It can also be done according to the teachings of the present utility model. More variations and modifications are possible, and these variations and modifications all fall within the scope of protection claimed by the present invention.

Claims (16)

1. The utility model provides a cooking utensil, includes lid and a kind of deep pot body, the lid can open and shut set up in a kind of deep pot body, in order to the lid with form the culinary art space between the body of deep pot, its characterized in that, the lid includes:

a ceramic element for radiating infrared rays to the cooking space after being heated, a lower surface of the ceramic element being at least partially exposed to the cooking space, the ceramic element comprising:

a ceramic body; and

and a ceramic protrusion protruding downward from a lower surface of the ceramic body, and exposed to the cooking space.

2. The cooking appliance of claim 1, wherein the cover further comprises a removable cover disposed below the ceramic element and provided with a removable cover opening, the ceramic protrusion corresponding to the location of the removable cover opening.

3. The cooking appliance of claim 2, wherein the ceramic protrusion protrudes downward proximate to or into or flush with a lower surface of the removable cover opening or through the removable cover opening.

4. Cooking appliance according to claim 2, wherein the ceramic protrusion is adapted in shape and/or size to the removable cover opening; and/or the bottom surface of the ceramic protrusion is planar.

5. The cooking appliance of any one of claims 1 to 4, wherein the cover further comprises a heating element for heating the ceramic element.

6. The cooking appliance of any one of claims 1 to 4, wherein the ceramic body extends over and through the ceramic boss.

7. The cooking appliance of claim 6, wherein the cover further comprises a heating element for heating the ceramic element, the heating element being provided on an upper surface of the ceramic body and at least partially corresponding to a position of the ceramic protrusion.

8. The cooking appliance of any one of claims 1 to 4, wherein the ceramic element further comprises a ceramic recess recessed downwardly from an upper surface of the ceramic body, the ceramic recess corresponding to a location of the ceramic protrusion.

9. The cooking appliance of claim 8, wherein the cover further comprises a heating element for heating the ceramic element, the heating element being disposed within the ceramic recess and/or the ceramic recess corresponding to the location of the ceramic protrusion.

10. The cooking appliance of claim 8, wherein the cooking appliance further comprises a handle,

the ceramic recess and the ceramic protrusion are adapted in shape and/or size; and/or

The ceramic element forms the ceramic concave portion and the ceramic convex portion by being integrally recessed; and/or

The bottom surface of the ceramic recess is planar.

11. The cooking appliance according to any one of claims 1 to 4, wherein the cover further comprises a liner provided with a liner opening and a support portion disposed around the liner opening, and an outer periphery of the ceramic body is overlapped on a bottom wall of the support portion and abuts against a side wall of the support portion.

12. The cooking appliance of claim 11, wherein the cover further comprises a removable cover disposed below the ceramic element and provided with a removable cover opening, the removable cover comprising an opening edge portion forming the removable cover opening, and a sealing ring disposed between the opening edge portion and the ceramic body and between the support portion and the ceramic body.

13. The cooking appliance of claim 12, wherein the cooking appliance further comprises a handle,

the same sealing ring is arranged between the opening edge part and the ceramic main body and between the supporting part and the ceramic main body; or alternatively

Different sealing rings are respectively arranged between the opening edge part and the ceramic main body and between the supporting part and the ceramic main body.

14. Cooking appliance according to claim 11, wherein the support part is provided with a positioning protrusion, the ceramic element being provided with a positioning opening, the positioning protrusion being at least partially located in the positioning opening.

15. The cooking appliance according to any one of claims 1 to 4, wherein the cover further comprises a liner and a fixture connected to the liner, the fixture being located above and pressing down the ceramic element, the fixture being integrally configured as an open or closed annular member or as a plurality of members and being disposed at intervals.

16. The cooking appliance according to any one of claims 1 to 4, wherein,

a steam channel structure is arranged in the cover body, and the ceramic element is provided with an avoidance through hole or an avoidance gap for the steam channel structure to penetrate through; or alternatively

The cover body is internally provided with a steam channel structure, and the ceramic element is integrally positioned on one side of the steam channel structure.