CN221105554U

CN221105554U - Cover and cooking utensil

Info

Publication number: CN221105554U
Application number: CN202322593742.7U
Authority: CN
Inventors: 扶朝; 周新华; 陈华侨; 华日宝
Original assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Current assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-06-11
Anticipated expiration: 2033-09-22

Abstract

The utility model discloses a cover body and a cooking utensil, wherein the cover body comprises a surface cover component, a lining, a steam sealing ring and a steam valve; the surface cover component is positioned at the outer side of the cover body and is provided with an exhaust port communicated with the outside; the lining is arranged on the inner side of the surface cover assembly and is connected to the surface cover assembly; the steam sealing ring is clamped between the surface cover assembly and the lining along the circumferential direction of the steam sealing ring; the steam sealing ring is sleeved on the periphery of the steam valve and is in interference fit with the steam valve, and the steam valve is communicated with the exhaust port; the steam sealing ring is provided with at least one first blocking rib, at least one second blocking rib and a leaning surface, the first blocking rib extends along the circumferential direction of the steam sealing ring and leans against the steam valve along the radial direction of the steam sealing ring, the second blocking rib extends along the circumferential direction of the steam sealing ring and leans against the surface cover component along the radial direction of the steam sealing ring, the first blocking rib and the second blocking rib are not higher than the leaning surface, and the leaning surface extends along the circumferential direction of the steam sealing ring and leans against the surface cover component along the axial direction of the steam sealing ring.

Description

Cover and cooking utensil

Technical Field

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

Background

Known cooking appliances such as electric cookers and electric pressure cookers are generally provided with a steam valve and a steam sealing ring on a cover body of the cooking appliance, and the steam valve is detachably connected to the steam sealing ring. However, the sealing performance between the steam sealing ring and the steam valve and the surface cover assembly is poor, so that steam inside the steam valve easily enters other positions of the cover body, and the PCB on the cover body is affected with damp and fails. In addition, water accumulation is also easily generated between the steam valve and the cover assembly.

To this end, the present utility model provides a cover and a cooking appliance to at least partially solve the problems in the prior art.

Disclosure of utility model

In the summary, a series of concepts in a 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 solve the above problems at least in part, according to a first aspect of the present utility model, there is disclosed a cover for a cooking appliance, the cover comprising:

The surface cover assembly is positioned at the outer side of the cover body and is provided with an exhaust port communicated with the outside;

A liner disposed inside the face cap assembly and connected to the face cap assembly;

A steam seal ring clamped circumferentially between the lid assembly and the liner; and

The steam sealing ring is sleeved on the periphery of the steam valve and is in interference fit with the steam valve, the steam valve is communicated with the exhaust port,

Wherein the steam sealing ring is provided with at least one first blocking rib, at least one second blocking rib and an abutting surface,

The first rib extends in a circumferential direction of the steam sealing ring and abuts against the steam valve in a radial direction of the steam sealing ring, so that the steam valve is detachably connected to the steam sealing ring,

The second stop rib extends along the circumferential direction of the steam sealing ring and abuts against the face cover assembly along the radial direction of the steam sealing ring,

The first blocking rib and the second blocking rib are not higher than the abutting surface, and the abutting surface extends along the circumferential direction of the steam sealing ring and abuts against the surface cover assembly along the axial direction of the steam sealing ring.

According to the cover body of the first aspect of the utility model, the steam sealing ring is provided with the at least one first blocking rib, the at least one second blocking rib and the abutting surface, the first blocking rib abuts against the steam valve, the second blocking rib abuts against the surface cover assembly, and the abutting surface abuts against the surface cover assembly, so that the possibility that steam inside the steam valve enters other positions of the cover body can be reduced.

Optionally, according to a second aspect of the present utility model, there is disclosed a cover for a cooking appliance, the cover comprising:

The surface cover assembly is positioned on the outer side of the cover body;

A cover plate connected to at least one of the cover assembly and the liner and provided with an exhaust port communicating with the outside;

A steam seal ring clamped between the cover plate and the liner along a circumferential direction thereof; and

The second blocking rib extends along the circumferential direction of the steam sealing ring and abuts against the cover plate along the radial direction of the steam sealing ring,

The first blocking rib and the second blocking rib are not higher than the abutting surface, and the abutting surface extends along the circumferential direction of the steam sealing ring and abuts against the cover plate along the axial direction of the steam sealing ring.

According to the cover body of the second aspect of the utility model, the steam sealing ring is provided with the at least one first blocking rib, the at least one second blocking rib and the abutting surface, the first blocking rib abuts against the steam valve, the second blocking rib abuts against the cover plate, and the abutting surface abuts against the cover plate, so that the possibility that steam inside the steam valve enters other positions of the cover body can be reduced.

Optionally, the first ribs are disposed on the inner side of the steam sealing ring, the number of the first ribs is at least two, and the at least two first ribs are disposed at intervals along the axial direction of the steam sealing ring and are all configured as annular protrusions extending along the radial direction of the steam sealing ring.

According to this scheme, through setting up two at least first fender muscle for be formed with two-layer seal structure between steam seal circle and the steam valve, with the possibility that the steam of further reducing the steam valve inside enters into other positions of lid through the hookup location department of steam valve and steam seal circle, and the first structure that keeps off the muscle is simple, the manufacturing of being convenient for.

Optionally, the dimensions of the first rib along the radial direction of the steam sealing ring satisfy: a is more than or equal to 0.3mm and less than or equal to 2mm, and/or

The first rib meets the following dimensions in the axial direction of the steam sealing ring: b is more than or equal to 0.5mm and less than or equal to 2.5mm.

According to this scheme, when the size of first fender muscle satisfies above-mentioned scope to can guarantee the sealed effect between first fender muscle and the steam valve.

Optionally, the second ribs are disposed on the outer side of the steam sealing ring, the number of the second ribs is at least two, and the at least two second ribs are disposed at intervals along the axial direction of the steam sealing ring and are configured as annular protrusions extending along the radial direction of the steam sealing ring.

According to this scheme, through setting up two at least second fender muscle for one of steam seal circle and face lid subassembly and apron is formed with two-layer seal structure, with the steam that further reduces the steam valve inside enters into the possibility of other positions of lid, and the second keeps off the simple structure of muscle, the manufacturing of being convenient for.

Optionally, the dimensions of the second rib along the radial direction of the steam sealing ring satisfy: c is more than or equal to 0.3mm and less than or equal to 2mm, and/or

The second rib meets the following dimensions along the axial direction of the steam sealing ring: d is more than or equal to 0.5mm and less than or equal to 2.5mm.

According to this scheme, when the size of second fender muscle satisfies above-mentioned scope to can guarantee the sealed effect between the steam valve in second fender muscle and face lid subassembly and the apron.

Optionally, the second rib is lower than the abutment surface, and/or

The abutting surface is the top surface of the steam sealing ring.

According to the scheme, a layer of sealing structure is formed between the abutting surface and one of the surface cover component and the cover plate.

Optionally, the top surface of steam valve is higher than the face of leaning on, and the steam valve has along circumference extension's lateral wall, first fender muscle along the circumference of lateral wall with lateral wall interference fit, the top of lateral wall is provided with the reflux groove, the reflux groove is higher than first fender muscle.

According to this scheme, through setting up the reflux tank for the comdenstion water that falls from the face lid subassembly can flow back to the inboard of steam valve through the reflux tank, with the possibility of ponding between the top of reduction steam valve and the face lid subassembly.

Optionally, a dimension E of the reflux groove along a radial direction of the steam sealing ring satisfies: e is 2mm or less and 15mm or less, and/or

The dimension F of the reflux groove along the axial direction of the steam sealing ring meets the following conditions: f is more than or equal to 2mm and less than or equal to 15mm.

According to this scheme, when the size of reflux groove satisfies above-mentioned scope to further reduce the possibility of ponding between one of face lid subassembly and apron and the top of steam valve.

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

the cooker body is internally provided with an inner pot; and

The lid according to any one of the first aspect, wherein the lid is provided to the pot in an openable and closable manner, and a cooking space is formed between the lid and the inner pot when the lid is closed on the pot.

Drawings

The following drawings are included to provide an understanding of the utility model and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments of the utility model and their description to explain the principles of the utility model.

In the accompanying drawings:

fig. 1 is a schematic cross-sectional view of a cooking appliance according to a first embodiment of the present utility model, in which only a partial structure is shown;

fig. 2 is an exploded perspective view of a cover of the cooking appliance of fig. 1;

FIG. 3 is an enlarged schematic view of a partial structure of the cooking appliance of FIG. 1;

fig. 4 is a perspective view of a steam valve of the cooking appliance of fig. 1;

FIG. 5 is a schematic side view of the steam valve of FIG. 4;

Fig. 6 is an exploded schematic view of a cover of a cooking appliance according to a second embodiment of the present utility model;

fig. 7 is a schematic cross-sectional view of a partial structure of the cover in fig. 6.

Reference numerals illustrate:

110: pot body

120/220: Cover body

130/230: Face cover assembly

131/291: Exhaust port

132/292: Abutting part

140/240: Lining(s)

141/241: Mounting part

142/242: Mounting groove

150/250: Removable cover assembly

151/251: Pot opening sealing ring

160/260: Steam sealing ring

161/261: First rib

162/262: Second rib

165/265: Abutment surface

170/270: Steam valve

171/271: Side wall

172/272: Reflux groove

180: Inner pot

290: Cover plate

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 embodiments of 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 embodiments of the utility model.

In the following description, a detailed structure will be presented for a thorough understanding of embodiments of 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 set forth by those skilled in the art. It should be noted that ordinal words 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". The terms "upper", "lower", "front", "rear", "left", "right" and the like are used herein for illustrative purposes only and are not limiting.

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

A cooking appliance according to a first embodiment of the present utility model will be described in detail with reference to fig. 1 to 5.

As shown in fig. 1, the cooking appliance mainly includes a pot body 110 and a cover body 120, and the cover body 120 is openably and closably provided above the pot body 110. Specifically, the cover 120 is pivotably connected to the pot 110 by a pivot shaft (not shown). The inner pot 180 is provided in the pot body 110, and a cooking space can be formed between the cover body 120 and the inner pot 180 when the cover body 120 is covered on the pot body 110. The pot 110 has a substantially rectangular parallelepiped shape with rounded corners, and has a cylindrical receiving portion. The inner pot 180 may be configured to be freely placed in or taken out from the receiving part to facilitate cleaning of the inner pot 180, or may be configured to be fixed in the pot body 110 to be unable to be taken out from the pot body 110. The inner pot 180 is generally made of a metal material for holding a material to be heated, such as rice, soup, etc. In addition, an inner pot heating means and a control means are provided in the pot body 110, and the inner pot heating means may be provided at the bottom of the inner pot 180 to heat food in the inner pot 180, and a user can control a cooking operation of the cooking appliance through the control means.

In the present utility model, the directional terms "upper" and "lower" are those directions determined based on the cooking appliance in a state where the cover 120 is placed upright and the cover is covered on the pot 110.

As shown in fig. 1 and 2, the cover 120 basically includes a cover assembly 130, an inner liner 140, a steam seal 160 and a steam valve 170. The cover 120 of the cooking appliance according to the present utility model will be described in detail with reference to fig. 1 to 5.

The face cover assembly 130 is located at the outermost side of the cover 120, and is provided with an exhaust port 131 communicating with the outside. The liner 140 is located inside the face cap assembly 130 and is connected to the face cap assembly 130. It can be appreciated that the cover assembly 130 covers the upper side of the liner 140 when the cover 120 is in a state of being covered on the pot 110.

The steam seal 160 is configured as an annular seal and may be made of a silicone or rubber material. In this embodiment, the steam seal 160 is clamped circumferentially between the lid assembly 130 and the liner 140. Specifically, the liner 140 is provided with a mounting portion 141 extending in the circumferential direction, and the cover assembly 130 is correspondingly provided with an abutting portion 132 extending in the circumferential direction, and the steam seal 160 is clamped between the mounting portion 141 and the abutting portion 132 in the circumferential direction thereof. Further, as shown in fig. 3, the mounting portion 141 is provided with a mounting groove 142 extending in the circumferential direction, and one end (lower end in fig. 3) of the steam seal 160 is provided in the mounting groove 142 in the circumferential direction thereof.

The steam sealing ring 160 is sleeved on the outer circumference of the steam valve 170 (that is, the steam valve 170 extends through the steam sealing ring 160), and is in interference fit with the steam valve 170 along the circumferential direction thereof, and the steam valve 170 communicates with the exhaust port 131.

In an embodiment, as shown in fig. 3, the steam seal 160 is provided with at least one first bead 161, at least one second bead 162, and an abutment surface 165. The first rib 161 extends in the circumferential direction of the steam sealing ring 160 and abuts against the steam valve 170 in the radial direction of the steam sealing ring 160, so that the steam valve 170 is detachably connected to the steam sealing ring 160. The second bead 162 extends in the circumferential direction of the steam seal 160 and abuts the face cover assembly 130 in the radial direction of the steam seal 160. Neither the first bead 161 nor the second bead 162 is higher than the abutment surface 165, and the abutment surface 165 extends in the circumferential direction of the steam seal 160 and abuts against the face cover assembly 130 in the axial direction of the steam seal 160. Specifically, the first rib 161 is in interference fit with the steam valve 170 along the circumferential direction of the steam seal 160, the second rib 162 is in interference fit with the face cover assembly 130 along the circumferential direction of the steam seal 160, and the abutment face 165 is in interference fit with the face cover assembly 130 along the circumferential direction of the steam seal 160. This reduces the possibility that steam inside the steam valve 170 enters other positions of the cover 120.

The first ribs 161 are provided inside the steam sealing ring 160 and are preferably at least two in number. The at least two first ribs 161 are disposed at intervals along an axial direction (i.e., a vertical direction in fig. 3) of the steam sealing ring 160 so as to form at least two layers of seals between the steam sealing ring 160 and the steam valve 170, and to facilitate mounting and dismounting of the steam valve 170, so that the steam valve 170 is detachably connected to the steam sealing ring 160. Specifically, the first rib 161 is configured as an annular protrusion extending in the radial direction (i.e., the horizontal direction in fig. 3) of the steam seal 160.

Preferably, the first ribs 161 have a size along the radial direction of the steam sealing ring 160 such that: a is more than or equal to 0.3mm and less than or equal to 2mm. For example, A may be 0.3mm, 0.5mm, 1mm, 1.5mm, or 2mm. Those skilled in the art will appreciate that the range of values of A is not limited to this embodiment, and A may be less than 0.3mm or greater than 2mm, for example, A may be 0.3mm or 2.2mm, as desired.

Preferably, the first rib 161 has a size along the axial direction of the steam sealing ring 160 such that: b is more than or equal to 0.5mm and less than or equal to 2.5mm. For example, B may be 0.5mm, 1mm, 1.5mm, 2mm, or 2.5mm. Those skilled in the art will appreciate that the range of values of B is not limited to this embodiment, and B may be less than 0.5mm or greater than 2.5mm, for example, A may be 0.4mm or 2.6mm, as desired.

With continued reference to fig. 3, the second ribs 162 are disposed on the outside of the steam seal 160 and are preferably at least two in number. The at least two second ribs 162 are axially spaced apart from the steam seal 160 to facilitate a two-layer seal between the steam seal 160 and the face cap assembly 130. Specifically, the second rib 162 is configured as an annular protrusion extending in the radial direction (i.e., the horizontal direction in fig. 3) of the steam seal 160.

Preferably, the dimensions of the second rib 162 along the radial direction of the steam seal 160 satisfy: c is more than or equal to 0.3mm and less than or equal to 2mm. For example, C may be 0.3mm, 0.5mm, 1mm, 1.5mm, or 2mm. Those skilled in the art will appreciate that the range of values of C is not limited to this embodiment, and C may be less than 0.3mm or greater than 2mm, for example, C may be 0.3mm or 2.2mm, as desired.

Preferably, the dimensions of the second rib 162 along the axial direction of the steam seal 160 satisfy: d is more than or equal to 0.5mm and less than or equal to 2.5mm. For example, D may be 0.5mm, 1mm, 1.5mm, 2mm, or 2.5mm. Those skilled in the art will appreciate that the range of values of D is not limited to this embodiment, and D may be less than 0.5mm or greater than 2.5mm, for example, D may be 0.4mm or 2.6mm, as desired.

The abutment surface 165 is the top surface of the steam seal 160, and the second rib 162 is lower than the abutment surface 165. In the present embodiment, two first ribs 161 and two second ribs 162 are shown in fig. 3. Because of the interference fit between the abutment surface 165 and the cover assembly 130, a sealing structure is formed between the steam seal 160 and the cover assembly 130. That is, in the present embodiment, a three-layer sealing structure is formed between the steam sealing ring 160 and the cover assembly 130, so that the sealing performance between the steam sealing ring 160 and the cover assembly 130 is better.

In the present embodiment, the top surface of the steam valve 170 is higher than the abutment surface 165, so that the connection between the steam valve 170 and the steam seal 160 is firm, so as to reduce the possibility of the steam valve 170 being separated from the steam seal 160. As shown in fig. 4 and 5, the steam valve 170 has a side wall 171 extending in the circumferential direction, the first rib 161 abuts against the side wall 171 in the radial direction of the steam seal 160, and is interference fit with the side wall 171 in the circumferential direction of the side wall 171. The top end of the side wall 171 is provided with a backflow groove 172, and the backflow groove 172 is higher than the first blocking rib 161 and the second blocking rib 162, so that condensed water dripping from the face cover assembly 130 can flow back to the inner side of the steam valve 170 through the backflow groove 172, the possibility of water accumulation between the top end of the steam valve 170 and the face cover assembly 130 is reduced, and the periphery of the steam sealing ring 160 is kept dry.

Preferably, the dimension E of the reflux groove 172 in the radial direction of the steam seal 160 satisfies: e is more than or equal to 2mm and less than or equal to 15mm. For example, E may be 2mm, 5mm, 10mm, or 15mm. Those skilled in the art will appreciate that the range of values of E is not limited to this embodiment, and E may be less than 2mm or greater than 15mm, for example, E may be 1.5mm or 15.5mm, as desired.

Preferably, the dimension F of the reflux groove 172 along the axial direction of the steam seal 160 satisfies: f is more than or equal to 2mm and less than or equal to 15mm. For example, F may be 2mm, 5mm, 10mm or 15mm. Those skilled in the art will appreciate that the range of values of F is not limited to this embodiment, and F may be less than 2mm or greater than 15mm, for example, F may be 1.5mm or 15.5mm, as desired.

As shown in fig. 1, the cover 120 further includes a removable cover assembly 150. A removable cap assembly 150 is disposed below the liner 140 and is removably attached to the liner 140. The detachable lid assembly 150 includes a rim seal 151, and when the lid 120 is closed on the pot body 110, the rim seal 151 abuts against the rim of the inner pot 180, so that the cooking space is in a sealed state.

A cooking appliance according to a second embodiment of the present utility model will be described in detail with reference to fig. 6 and 7.

The cooking appliance according to the second embodiment has substantially the same structure as the cooking appliance according to the first embodiment.

As in the first embodiment, in the second embodiment, as shown in fig. 6 and 7, the cooking appliance also includes a pot body (not shown) and a cover body 220. The lid 220 also includes a lid assembly 230, an inner liner 240, a steam seal 260, and a steam valve 270. The steam seal 260 is likewise provided with at least one first rib 261, at least one second rib 262 and an abutment surface 265. For simplicity, only the differences will be described herein.

Unlike the first embodiment, a cover plate 290 is also shown in the second embodiment, the cover plate 290 is connected to the face cover assembly 230, and an exhaust port 291 communicating with the outside is provided. As shown in fig. 7, the cover plate 290 extends through the face cover assembly 230. The steam seal 260 is clamped circumferentially between the cover 290 and the liner 240. Specifically, the liner 240 is provided with a mounting portion 241 extending in the circumferential direction, and the cover plate 290 is correspondingly provided with an abutting portion 292 extending in the circumferential direction. In the present embodiment, the steam seal 260 is sandwiched between the mounting portion 241 and the abutting portion 292 along the circumferential direction thereof.

The first rib 261 extends in the circumferential direction of the steam sealing ring 260 and abuts against the steam valve 270 in the radial direction of the steam sealing ring 260. The second rib 262 extends in the circumferential direction of the steam sealing ring 260 and abuts against the cover plate 290 in the radial direction of the steam sealing ring 260. Specifically, the first rib 261 is in interference fit with the steam valve 270 along the circumferential direction of the steam sealing ring 260, and the second rib 262 is in interference fit with the cover plate 290 along the circumferential direction of the steam sealing ring 260. Preferably, the number of the first ribs 261 and the second ribs 262 is at least two. The at least two second ribs 262 are spaced apart along the axial direction of the steam sealing ring 260 so as to form at least two layers of sealing structure between the steam sealing ring 260 and the cover plate 290. The abutment surface 265 of the steam sealing ring 260 extends in the circumferential direction of the steam sealing ring 260 and abuts against the cover plate 290 in the axial direction of the steam sealing ring 260.

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. Terms such as "disposed" or the like as used herein may refer to either one element being directly attached to another element or one element being attached to another element through an intermediate member. 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 in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described. Those skilled in the art will appreciate that many variations and modifications are possible in light of the teachings of the utility model, which variations and modifications are within the scope of the utility model as claimed.

Claims

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

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

The surface cover assembly is positioned on the outer side of the cover body;

3. The cover body according to claim 1 or 2, wherein the first ribs are provided on the inner side of the steam seal ring and are at least two in number, and at least two of the first ribs are provided at intervals in the axial direction of the steam seal ring and are each configured as an annular protrusion extending in the radial direction of the steam seal ring.

4. The cover of claim 3, wherein the cover comprises a plurality of plastic films,

The first rib meets the following dimensions in the radial direction of the steam sealing ring: a is more than or equal to 0.3mm and less than or equal to 2mm, and/or

5. The cover according to claim 1 or 2, wherein,

The second keeps off the muscle and sets up in the outside of steam seal circle and quantity is two at least, and two at least the second keeps off the muscle along the axial direction interval setting of steam seal circle to the structure is along the annular protrusion that the radial direction of steam seal circle extends.

6. The cover of claim 5, wherein the cover comprises a plurality of protrusions,

The second rib meets the following dimensions in the radial direction of the steam sealing ring: c is more than or equal to 0.3mm and less than or equal to 2mm, and/or

7. The cover of claim 5, wherein the cover comprises a plurality of protrusions,

The second blocking rib is lower than the abutting surface and/or

The abutting surface is the top surface of the steam sealing ring.

8. The cover of claim 1 or 2, wherein the top surface of the steam valve is higher than the abutment surface, and the steam valve has a sidewall extending in a circumferential direction, the first rib is in interference fit with the sidewall in the circumferential direction of the sidewall, and a top end of the sidewall is provided with a backflow groove, which is higher than the first rib.

9. The cover of claim 8, wherein the cover comprises a plurality of layers,

The dimension E of the reflux groove along the radial direction of the steam sealing ring meets the following conditions: e is 2mm or less and 15mm or less, and/or

10. A cooking appliance, comprising:

the cooker body is internally provided with an inner pot; and

The lid according to any one of claims 1 to 9, being openably and closably provided to the pot, a cooking space being formed between the lid and the inner pot when the lid is closed on the pot.