CN219374420U - Cover and cooking utensil - Google Patents

Abstract

The utility model discloses a cover body and a cooking utensil, wherein the cover body comprises a lining, an infrared heating assembly, a transmission piece and a detachable cover assembly; the inner liner is provided with an inner liner opening; the infrared heating component is arranged corresponding to the opening of the lining; the transmission piece is connected with the inner lining corresponding to the inner lining opening and at least partially transmits light; the detachable cover assembly is arranged on one side of the lining, which is close to the transmission piece, and is provided with a detachable cover through hole, a detachable cover sealing ring is arranged at the detachable cover through hole, the detachable cover sealing ring is provided with a sealing ring inner side contact surface, and the sealing ring inner side contact surface is propped against part of the surface of the transmission piece; the inner contact surface of the sealing ring is a rough surface or a frosted surface or is provided with a bump which makes the contact surface be in a rough shape. According to the cover body disclosed by the utility model, the contact area of the detachable cover sealing ring and the transmission piece can be reduced, and the chemical reaction between the detachable cover sealing ring and the transmission piece is slowed down or eliminated, so that the possibility of adhesion between the detachable cover sealing ring and the transmission piece is reduced.

Description

Cover and cooking utensil

Technical Field

The utility model relates to the technical field of household appliances, in particular to a cover body and a cooking appliance.

Background

Known cooking appliances such as rice cookers are provided with an infrared heating assembly provided with a glass transmissive member on the inner side thereof so that infrared rays radiated from the infrared heating assembly can pass through the transmissive member and enter into a cooking space. The cover body comprises a detachable cover assembly positioned at the bottom of the cover body, the detachable cover assembly comprises a detachable cover sealing ring, and the upper end of the detachable cover sealing ring is abutted to the transmission piece along the circumferential direction of the detachable cover sealing ring so as to seal a gap between the detachable cover assembly and the transmission piece. However, after the cooking appliance is used for a period of time, the detachable cover sealing ring and the transmission piece are easy to adhere to each other, so that the detachable cover sealing ring and the transmission piece are difficult to separate, and if the detachable cover sealing ring and the transmission piece are forcibly separated, the sealing ring is damaged.

Accordingly, there is a need for a cover and a cooking appliance to at least partially address the above problems.

Disclosure of Invention

In the summary, a series of concepts in simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

In order to at least partially solve the above problems, the present utility model provides a cover for a cooking appliance, the cover comprising:

a liner provided with a liner opening;

the infrared heating assembly is arranged corresponding to the opening of the lining;

a transmissive element coupled to the liner corresponding to the liner opening, the transmissive element being at least partially light transmissive;

the detachable cover assembly is arranged on one side, close to the transmission piece, of the lining, a detachable cover through hole is formed in the detachable cover assembly, a detachable cover sealing ring is arranged at the detachable cover through hole, the detachable cover sealing ring is provided with a sealing ring inner side contact surface, and the sealing ring inner side contact surface is propped against part of the surface of the transmission piece;

wherein, the contact surface of the inner side of the sealing ring is a rough surface or is provided with a bump which makes the contact surface take on a rough shape.

According to the cover body disclosed by the utility model, the contact surface on the inner side of the sealing ring is provided with the rough surface or the bulge which enables the contact surface to be in a rough shape, so that the contact area between the detachable cover sealing ring and the transmission piece can be reduced, the chemical reaction between the detachable cover sealing ring and the transmission piece is slowed down or eliminated, the possibility of adhesion between the detachable cover sealing ring and the transmission piece is reduced, and the detachable cover sealing ring is conveniently separated from the transmission piece, so that the detachable cover sealing ring is conveniently cleaned.

Optionally, the protrusion is configured as an annular rib extending along a circumference of the removable cap seal ring.

According to this scheme, protruding constitution is annular muscle, can make protruding and transmission piece contact surface contact along the circumference of removable lid sealing washer to bellied simple structure.

Optionally, the longitudinal section of the protrusion is square, V-shaped or arc-shaped without a bottom surface.

According to this scheme, bellied simple structure is convenient for make, can reduce manufacturing cost.

Optionally, the inner contact surface of the sealing ring is provided with a plurality of protrusions, and the protrusions are coaxially arranged.

According to the scheme, through the plurality of bulges, the sealing effect between the detachable cover sealing ring and the transmission piece is good.

Optionally, the inner contact surface of the sealing ring is frosted surface, and/or

The outer surface of the transmission piece is provided with an ink layer or a printing pattern which is used for propping against the contact surface on the inner side of the sealing ring.

According to the scheme, the contact surface at the inner side of the sealing ring is a frosted surface, so that the contact area between the detachable cover sealing ring and the transmission piece can be reduced, and the possibility of adhesion between the detachable cover sealing ring and the transmission piece is reduced; the outer surface of the transmission piece is provided with the ink layer or the printed pattern, so that chemical reaction between the detachable cover sealing ring and the transmission piece can be slowed down or eliminated, and the possibility of adhesion between the detachable cover sealing ring and the transmission piece is reduced. Optionally, the width W of the inner contact surface of the seal ring satisfies: w is more than or equal to 3mm.

According to the scheme, when the width W of the contact surface at the inner side of the sealing ring meets the range, the sealing effect between the detachable cover sealing ring and the transmission piece is good.

Optionally, the wall thickness T of the removable cover seal ring satisfies: t is more than or equal to 0.8mm, and/or the deformation compression amount P of the detachable cover sealing ring meets the following conditions: p is more than or equal to 4mm.

According to the scheme, when the wall thickness T of the detachable cover sealing ring meets the range, or the deformation compression quantity P of the detachable cover sealing ring meets the range, the sealing effect between the detachable cover sealing ring and the transmission piece is good.

Optionally, the detachable cover assembly includes a detachable cover, the detachable cover through hole is formed in the detachable cover, and the detachable cover sealing ring is arranged at the inner peripheral edge of the detachable cover.

According to this scheme, the simple structure of removable lid subassembly is convenient for make, can reduce manufacturing cost.

Optionally, the detachable cover assembly further includes a pressing plate disposed at an inner peripheral edge of the detachable cover and connected to the detachable cover, an inner edge of the detachable cover sealing ring is clamped between the pressing plate and the detachable cover along a circumferential direction of the detachable cover through hole, and the sealing ring inner side contact surface is disposed at an outer edge of the detachable cover assembly.

According to this scheme, the simple structure of removable lid subassembly is convenient for make, can reduce manufacturing cost.

Optionally, the detachable cover assembly further comprises a fixing seat and a pot mouth sealing ring, wherein the fixing seat is arranged at the outer peripheral edge of the detachable cover and is connected to the detachable cover, and the inner edge of the pot mouth sealing ring is clamped between the fixing seat and the detachable cover.

According to this scheme, the simple structure of removable lid subassembly is convenient for make, can reduce manufacturing cost.

According to a second aspect of the present utility model, there is disclosed a cooking appliance comprising:

a cover according to any one of the first aspects above;

the cooker comprises a cooker body, wherein an inner pot is arranged in the cooker body, and a cooking space is formed between the cover body and the inner pot when the cover body is covered on the cooker body.

According to the cooking utensil, the contact surface on the inner side of the sealing ring is a rough surface or is provided with the protrusions which enable the contact surface to be in a rough shape, so that the contact area between the sealing ring of the detachable cover and the transmission piece can be reduced, chemical reaction between the sealing ring of the detachable cover and the transmission piece is slowed down or eliminated, the possibility of adhesion between the sealing ring of the detachable cover and the transmission piece is reduced, the sealing ring of the detachable cover and the transmission piece are separated conveniently, and therefore the sealing ring of the detachable cover is cleaned conveniently.

Drawings

The following drawings of embodiments of the present utility model are included as part of the utility model. The drawings illustrate embodiments of the utility model and their description to explain the principles of the utility model. In the drawings:

fig. 1 is a perspective view schematically showing a cooking appliance according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of the cooking appliance of FIG. 1, wherein only a partial structure is shown;

FIG. 3 is an exploded schematic view of a cover of the cooking appliance of FIG. 1, wherein the cover is in an inverted state;

FIG. 4 is another exploded view of the lid of the cooking appliance of FIG. 1, wherein the lid is in an inverted state;

FIG. 5 is a perspective view of the removable cover assembly of the cover of FIG. 3;

FIG. 6 is a schematic cross-sectional view of a cover of the cooking appliance of FIG. 1, wherein only a partial structure is shown;

FIG. 7 is a partial cross-sectional view of a modified embodiment of the cooking appliance of FIG. 1;

fig. 8 is a partial cross-sectional view of another variant embodiment of the cooking appliance of fig. 1.

Reference numerals illustrate:

100: cooking utensil

110: cover body

111: pivot shaft

120: pot body

121: inner pot

130: lining(s)

131: inner liner opening

132: support part

140: infrared heating assembly

150: transmissive element

160: removable cover assembly

161: sealing ring with detachable cover

162: removable cover

163: pressing plate

164: fixing seat

165: pot opening sealing ring

166: removable lid through-hole

167: inner contact surface of sealing ring

168: first clamping leg

169: second clamping leg

170: upper cover assembly

171: protrusions

172: first through hole

173: second through hole

180: transmission piece sealing ring

190: reflection cover

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

In the following description, a detailed description will be given for the purpose of thoroughly understanding the present utility model. It will be apparent that embodiments of the utility model may be practiced without limitation to the specific details that are familiar to those skilled in the art. Preferred embodiments of the present utility model are described in detail below, however, the present utility model may have other embodiments in addition to these detailed descriptions.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is intended to include the plural unless the context clearly indicates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Ordinal numbers such as "first" and "second" cited in the present utility model are merely identifiers and do not have any other meaning, such as a particular order or the like. Also, for example, the term "first component" does not itself connote the presence of "second component" and the term "second component" does not itself connote the presence of "first component".

It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like are used herein for illustrative purposes only and are not limiting.

Exemplary embodiments according to the present utility model will now 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 appreciated that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art.

The utility model provides a cover 110 and a cooking utensil 100 with the same. The cooking appliance 100 according to the present utility model may be an electric rice cooker, an electric pressure cooker, or other cooking appliances, and the cooking appliance 100 may have various functions such as cooking porridge, cooking soup, etc., in addition to the function of cooking rice.

As shown in fig. 1, the cooking appliance 100 mainly includes a cover 110 and a pot 120, and the cover 110 is openably and closably provided above the pot 120. Specifically, the cover 110 is pivotally connected to the pot 120 through a pivot shaft 111, and can pivot freely about a pivot axis where the pivot shaft 111 is located between a covering position and an opening position relative to the pot 120, so as to facilitate covering and opening of the pot 120. The inner pot 121 is provided in the pot body 120, and a cooking space can be formed between the cover body 110 and the inner pot 121 when the cover body 110 is covered on the pot body 120. The pot 120 has a substantially rectangular parallelepiped shape with rounded corners, and has a cylindrical receiving portion. The inner pot 121 may be configured to be freely placed in or taken out from the receiving portion to facilitate cleaning of the inner pot 121, or may be configured to be fixed in the pot body 120 so as not to be taken out from the pot body 120. The inner pot 121 is generally made of a metal material for holding a material to be heated, such as rice, soup, etc.

In addition, heating means and control means are provided in the cooker body 120, and the heating means may be provided at the side and/or bottom of the inner pot 121 to heat food in the inner pot 121, by which a user can control a cooking operation of the cooking appliance 100.

It is noted that directional terms used herein to describe various components, portions, etc. of the cooking appliance 100, such as "upper", "lower", "above", "below", "upward", "downward", etc., are relative to the cooking appliance 100 in a horizontally placed and upright state. The directional terms "inward", "outward", "inside", "outside", etc. refer to "inward" toward the center of the cooking appliance 100 and "outward" refer to "away from the center of the cooking appliance 100, unless otherwise limited.

The cover 110 of the cooking appliance 100 according to the present utility model will be described in detail with reference to fig. 1 and 2.

As shown in fig. 1 to 4, the cover 110 mainly includes an upper cover assembly 170, an inner liner 130, an infrared heating assembly 140, a transmissive member 150, and a detachable cover assembly 160.

The upper cap assembly 170 is located at the outermost side (i.e., uppermost side) of the cap body 110, and the liner 130 is disposed below the upper cap assembly 170 and is connected to the upper cap assembly 170. The liner 130 is provided with a support portion 132 extending in the circumferential direction, and an inner side of the support portion 132 surrounds the liner opening 131. As shown in fig. 2 and 6, the infrared heating assembly 140 is disposed corresponding to the liner opening 131, for example, the infrared heating assembly 140 may be disposed on the liner 130 or on the lid assembly 170. The infrared heating assembly 140 may be integrally constructed in a U-shape or a C-shape and disposed right above the inner pot 121 in a lateral direction to be able to radiate infrared rays to the cooking space, i.e., to food in the inner pot 121, thereby assisting cooking.

The transmissive member 150 is disposed within the liner 130, for example, in communication with the liner 130, corresponding to the liner opening 131, and the transmissive member 150 is disposed below the infrared heating assembly 140. Specifically, the transmissive member 150 is disposed on top of the support 132, and a portion of the transmissive member 150 corresponding to the infrared heating assembly 140 is at least partially light transmissive. In the present embodiment, the transmissive member 150 is made of a light transmissive material. The transmissive member 150 may be made of transparent glass. Preferably, the transmissive member 150 is made of high borosilicate glass or tempered glass, etc.

A removable cap assembly 160 is disposed on the liner 130 on a side adjacent to the transmissive element 150. Specifically, the removable cap assembly 160 is located at the innermost (i.e., lowermost) side of the cap body 110 and is disposed below the liner 130. Removable cap assembly 160 is removably attached to liner 130 for ease of cleaning and replacement. A removable cap through hole 166 is provided at a position of the removable cap assembly 160 corresponding to the liner opening 131. The removable cap assembly 160 includes a removable cap seal 161, the removable cap seal 161 being disposed at the removable cap through hole 166. The removable cover seal 161 has a seal inner contact surface 167, and the seal inner contact surface 167 is adapted to abut a part of the surface of the transmission member 150 around the circumference of the removable cover through hole 166.

In this embodiment, in order to reduce the possibility of sticking between the removable cover seal 161 and the transmission member 150, the seal inner contact surface 167 is a roughened surface to reduce the contact area between the removable cover seal 161 and the transmission member 150. Preferably, the seal ring inner contact surface 167 is a frosted surface. For example, the inner seal ring contact surface 167 may be roughened to provide a frosted surface.

In order to make the sealing effect between the removable cover seal 161 and the transmission member 150 good, preferably, the wall thickness T of the removable cover seal 161 satisfies: t is more than or equal to 0.8mm. For example, T may be 0.8mm, 0.9mm, 1.0mm, 1.1mm, or 1.2mm. Preferably, the deformation compression amount P of the removable cover seal 161 satisfies: p is more than or equal to 4mm. For example, P may be 4mm, 4.5mm, 5mm, 5.5mm, or 6mm. The deformation compression amount P herein is understood to be the difference between the height of the removable cover seal 161 in the free state and the height in the compressed state. Preferably, the width W of the seal ring inner contact surface 167 satisfies: w is more than or equal to 3mm. For example, W may be 3mm, 3.5mm, 4mm, or 4.5mm.

In this embodiment, the removable cap assembly 160 is detachably coupled to the liner 130, and since the coupling structure is a structure known in the art, a detailed description thereof will not be provided herein. As shown in fig. 2 to 6, the detachable cover assembly 160 further includes a detachable cover 162, a pressing plate 163, a fixing base 164, and a pot mouth sealing ring 165.

The detachable cover 162 is generally configured in a circular ring-shaped structure, and is made of a metal material. The detachable cover 162 is disposed right above the inner pot 121 in the lateral direction. The detachable cover through hole 166 is provided to the detachable cover 162 and is located approximately at the center of the detachable cover 162. A removable cover seal 161 is provided at the inner peripheral edge of the removable cover 162. The pressing plate 163 is provided at an inner peripheral edge of the detachable cover 162 and is connected to the detachable cover 162, and an inner edge (specifically, a bottom end periphery) of the detachable cover seal ring 161 is sandwiched between the pressing plate 163 and the detachable cover 162 along a circumferential direction of the detachable cover through hole 166 to be able to fix the detachable cover seal ring 161. The seal ring inner side contact surface 167 is provided at the outer edge (specifically, the tip periphery) of the removable cap assembly 160, and is configured as a flat surface.

The fixing seat 164 is generally configured in a ring shape and is provided at an outer peripheral edge of the detachable cover 162. The fixing base 164 is connected to the detachable cover 162, and an inner edge (specifically, a top end periphery) of the port seal 165 is clamped between the fixing base 164 and the detachable cover 162 to be able to fix the port seal 165. The bottom end of the port sealing ring 165 is adapted to abut against the port of the inner pot 121 when the cover 110 is closed onto the pot 120, to seal the gap between the detachable lid assembly 160 and the inner pot 121.

As shown in fig. 4, the inner peripheral edge of the detachable cover 162 is provided with a plurality of first catching feet 168 extending upward (extending downward in fig. 4), the pressing plate 163 is correspondingly provided with a plurality of first through holes 172, and the first catching feet 168 extend upward from the bottom of the pressing plate 163 through the first through holes 172 and abut against the upper surface of the pressing plate 163 after bending, so as to connect the detachable cover 162 to the pressing plate 163. The outer peripheral edge of the detachable cover 162 is provided with a plurality of second clamping legs 169 extending downwards (extending upwards in fig. 4), the fixing base 164 is correspondingly provided with a plurality of second through holes 173, the second clamping legs 169 extend downwards from the top of the fixing base 164 through the second through holes 173 and are abutted against the lower surface of the fixing base 164 after being bent so as to connect the detachable cover 162 to the fixing base 164.

Preferably, the first clamping legs 168 are disposed at the inner peripheral edge of the detachable cover 162 at equal intervals, and the second clamping legs 169 are disposed at the outer peripheral edge of the detachable cover 162 at equal intervals. It will be appreciated that the first legs 168 may be disposed at unequal intervals, and the second legs 169 may be disposed at unequal intervals, as desired. In the present embodiment, the first leg 168 and the second leg 169 are generally configured as rectangular or square sheet-like structures.

The cover 110 further includes a reflection housing 190, and the reflection housing 190 is disposed above the infrared heating assembly 140 to reflect the infrared rays emitted upward from the infrared heating assembly 140 downward into the cooking space. The reflective cover 190 and is connected to the inner liner 130, and the infrared heating assembly 140 is connected to the reflective cover 190. For example, the infrared heating assembly 140 may be coupled to the reflective cover 190 by fasteners or other connectors.

As shown in fig. 6, the cover 110 further includes a transmissive member seal ring 180, and the transmissive member seal ring 180 is disposed at an outer peripheral edge of the transmissive member 150 and is interposed between the transmissive member 150 and the supporting part 132 to seal a gap between the transmissive member 150 and the supporting part 132.

In a modified embodiment, the seal ring inner contact surface 167 is provided with the projections 171 in a roughened form, whereby the contact area between the removable cover seal ring 161 and the transmission member 150 can be reduced. The projection 171 is configured as an annular rib extending along the circumferential direction of the removable cover seal 161. As shown in fig. 7, the seal ring inner side contact surface 167 is provided with a plurality of projections 171, and the plurality of projections 171 are provided spaced apart from each other. Preferably, the plurality of projections 171 are coaxially disposed. It will be appreciated that the number of projections 171 may also be one or two, as desired. In this embodiment, the longitudinal section of the projection 171 is square without a bottom surface. The longitudinal cross-sectional shape of the projection 171 is not limited to the present embodiment, and the longitudinal cross-section of the projection 171 may be V-shaped or circular arc-shaped as needed. For example, the longitudinal section of the projection 171 may also be U-shaped.

In another variant embodiment shown in fig. 8, the longitudinal section of the protuberance 171 is semicircular. In fig. 8, the inner contact surface 167 of the seal ring is provided with a plurality of projections 171, the plurality of projections 171 being arranged side by side and being connected together between adjacent projections 171. It will be appreciated that the plurality of projections 171 are disposed spaced apart from one another as desired.

In another variant embodiment, the outer surface of the transmissive element 150 is provided with an ink layer or printed pattern for abutting against the inner contact surface 167 of the sealing ring, whereby the chemical reaction between the removable cover sealing ring 161 and the transmissive element 150 can be slowed or eliminated. In this embodiment, an ink layer or a printed pattern is provided on the lower surface of the transmissive member 150.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model pertains. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the utility model. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.

The present utility model has been described by way of the above embodiments, but it should be understood that the above embodiments are for illustrative and explanatory purposes only and that the utility model is not limited to the above embodiments, but is capable of numerous variations and modifications in accordance with the teachings of the utility model, all of which fall within the scope of the utility model as claimed.

Claims (10)

1. A cover for a cooking appliance, the cover comprising:

a liner provided with a liner opening;

the infrared heating assembly is arranged corresponding to the opening of the lining;

a transmissive element coupled to the liner corresponding to the liner opening, the transmissive element being at least partially light transmissive;

the detachable cover assembly is arranged on one side, close to the transmission piece, of the lining, a detachable cover through hole is formed in the detachable cover assembly, a detachable cover sealing ring is arranged at the detachable cover through hole, the detachable cover sealing ring is provided with a sealing ring inner side contact surface, and the sealing ring inner side contact surface is propped against part of the surface of the transmission piece;

wherein, the contact surface of the inner side of the sealing ring is a rough surface or is provided with a bump which makes the contact surface take on a rough shape.

2. The cover of claim 1, wherein the protrusion is configured as an annular rib extending along a circumference of the removable cover seal ring.

3. The cover of claim 2, wherein the cover comprises a plurality of layers,

the longitudinal section of the protrusion is square, V-shaped or circular arc without bottom surface, and/or

The inner side contact surface of the sealing ring is provided with a plurality of bulges, and the bulges are coaxially arranged.

4. The cover of claim 1, wherein the cover comprises a plurality of layers,

the contact surface at the inner side of the sealing ring is a frosted surface and/or

The outer surface of the transmission piece is provided with an ink layer or a printing pattern which is used for propping against the contact surface on the inner side of the sealing ring.

5. The cover of any one of claims 1 to 4, wherein the width W of the seal ring inside contact surface satisfies: w is more than or equal to 3mm.

6. The cover according to any one of claim 1 to 4, wherein,

the wall thickness T of the detachable cover sealing ring meets the following conditions: t is greater than or equal to 0.8mm and/or

The deformation compression quantity P of the detachable cover sealing ring meets the following conditions: p is more than or equal to 4mm.

7. The cover of any one of claims 1 to 4, wherein the removable cover assembly comprises a removable cover, the removable cover through-hole is provided to the removable cover, and the removable cover seal is provided at an inner peripheral edge of the removable cover.

8. The cover of claim 7, wherein the removable cover assembly further comprises a pressure plate disposed at an inner peripheral edge of the removable cover and connected to the removable cover, an inner edge of the removable cover seal ring being clamped between the pressure plate and the removable cover along a circumference of the removable cover through-hole, the seal ring inner side contact surface being disposed at an outer edge of the removable cover assembly.

9. The lid of claim 7, wherein the removable lid assembly further comprises a mounting seat disposed at an outer peripheral edge of the removable lid and connected to the removable lid, and a rim of the rim seal is clamped between the mounting seat and the removable lid.

10. A cooking appliance, comprising:

the cover according to any one of claims 1 to 9;

the cooker comprises a cooker body, wherein an inner pot is arranged in the cooker body, and a cooking space is formed between the cover body and the inner pot when the cover body is covered on the cooker body.