CN115462672A - Elastic pressure relief device and pressure cooker - Google Patents
Elastic pressure relief device and pressure cooker Download PDFInfo
- Publication number
- CN115462672A CN115462672A CN202211117264.6A CN202211117264A CN115462672A CN 115462672 A CN115462672 A CN 115462672A CN 202211117264 A CN202211117264 A CN 202211117264A CN 115462672 A CN115462672 A CN 115462672A
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- pot cover
- pot body
- pot
- pressure relief
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- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000005266 casting Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000009835 boiling Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention relates to an elastic pressure relief device and a pressure cooker, wherein the elastic pressure relief device is used for elastically connecting a cooker cover and a cooker body and comprises: the elastic piece comprises a first part, a second part and a deformation part positioned between the first part and the second part; the fixing piece is fixed with the pot cover, the first part is fixed with the pot body, the second part is fixed with the fixing piece, or the fixing piece is fixed with the pot body, the first part is fixed with the pot cover, and the second part is fixed with the fixing piece; when the pressure is relieved, the pressure pushes the pot cover upwards to deform the deformation part, and a gap is formed between the pot cover and the pot body. According to the technical scheme, the deformation part deforms, so that a gap is formed between the pot cover and the pot body, gas escapes from the gap to realize pressure relief, and the air pressure in the pot body is gradually increased, so that the gap between the pot cover and the pot body is gradually increased, a large amount of gas cannot escape instantly, and the safety is better.
Description
Technical Field
The invention relates to the field of pressure cookers, in particular to an elastic pressure relief device and a pressure cooker.
Background
The pressure cooker has the characteristics of energy conservation, time conservation and multiple cooking functions, is favored by consumers, can improve the physical phenomenon through the boiling point of liquid under higher air pressure, applies pressure to water, and ensures that the water can reach higher temperature without boiling so as to accelerate the efficiency of stewing and cooking food. Traditional pressure cooker can appear when using that internal pressure is too high, and the pressure release ability on the pot cover is relatively weak, and when these pressure relief device abnormal work, can lead to appearing unexpected emergence such as explosion, causes huge threat to personal safety.
In the prior art, a pressure release valve is arranged on a pot cover to serve as a main pressure release path, an exhaust device is arranged between the pot cover and the pot body to serve as a secondary pressure release path, and when the pressure release valve works abnormally, air pressure can push the pot cover open to exhaust and release pressure. However, in this exhaust device, the exhaust and pressure relief are performed instantaneously after the air pressure reaches a certain value, and a large amount of steam is sprayed in a short time, which is dangerous.
Disclosure of Invention
The invention aims to provide an elastic pressure relief device which has the characteristics of elastic pressure relief, better safety and the like and has better applicability.
In order to achieve the purpose, the invention adopts the following technical scheme:
an elastic pressure relief device for elastically connecting a pot cover and a pot body, comprising: the elastic piece comprises a first part, a second part and a deformation part positioned between the first part and the second part; the fixing piece is fixed with the pot cover, the first part is fixed with the pot body, the second part is fixed with the fixing piece, or the fixing piece is fixed with the pot body, the first part is fixed with the pot cover, and the second part is fixed with the fixing piece; when the pressure is relieved, the pressure pushes the pot cover upwards to deform the deformation part, and a gap is formed between the pot cover and the pot body.
The elastic pressure relief device provided in the technical scheme comprises a first part, a second part and a deformation part through an elastic piece. The fixing part is fixed with the pot body, at the moment, the first part is fixed with the pot cover, the second part is fixed with the fixing part, or the fixing part is fixed with the pot cover, at the moment, the first part is fixed with the pot body, and the second part is fixed with the fixing part. When the pressure is released, the pot cover is pushed open by air pressure, so that the deformation part is deformed, a gap is formed between the pot cover and the pot body, and the gas in the pot body can escape from the gap to realize the pressure release. And the air pressure in the pot body is gradually increased, so that the gap between the pot cover and the pot body is also gradually increased, a large amount of air cannot escape instantly, and the safety is better.
Preferably, the deformation part is integrally formed with the first part and the second part; the deformation part formed integrally is more convenient to install.
Preferably, the fixing piece is provided with a through hole, and the second part is fixedly inserted into the through hole; or the second part is provided with a through hole, and the fixing piece is fixedly inserted into the through hole; the fixing between the elastic piece and the fixing piece can be realized through the through hole, and the fixing mode is simple and convenient.
Preferably, when the fixing member is fixed to the pot body, the fixing member is formed with a fixing groove, the first portion has an extending portion extending toward the fixing groove, the extending portion, the deformation portion and the second portion are inserted into the fixing groove, and the extending portion and the second portion are abutted against an inner side surface of the fixing groove; the extending part and the second part are different in height, and the distance between the extending part and the second part is reduced when the deformation part is deformed; through part first portion and second portion have different heights, and the extension is portable, and the second portion is unmovable, realizes the deformation of deformation portion to this reaches the purpose of pressure release.
Preferably, the deformation part and the inner wall of the fixing groove are arranged at intervals; the space that deformation portion takes place to deform is set up for the interval.
Preferably, the elastic pressure relief device further comprises an extension piece and a clamping piece, one end of the extension piece is fixed with the pot cover, and the other end of the extension piece extends to the outer side of the pot cover; the upper end of the clamping piece is rotationally connected with the end part of the extending piece extending to the outer side of the pot cover, and the lower end of the clamping piece is clamped with the pot body; the extending piece and the clamping piece enable the other sides of the pot body and the pot cover to be fixed, and therefore the pressure pot can realize single-side pressure relief through the elastic piece.
Preferably, the elastic pressure relief device further comprises a reinforcing piece, the reinforcing piece is fixedly arranged on the pot body, and the lower end of the clamping piece is clamped with the reinforcing piece; the reinforcing piece can facilitate the fixed clamping of the pot body and the clamping piece.
Preferably, the fixing piece and the pot cover are integrally cast and formed; through integrative casting shaping, it is changeed in the manufacturing, easy to assemble.
The invention also provides a pressure cooker which comprises the elastic pressure relief device, and a cooker cover and a cooker body which are arranged in a matched manner.
Drawings
Fig. 1 is a schematic view of a pressure cooker according to a first embodiment of the present invention.
Fig. 2 is an exploded view of a pressure cooker according to a first embodiment of the present invention.
Fig. 3 is an assembly view of the elastic member and the fixing member according to the first embodiment of the present invention.
Fig. 4 is a schematic pressure relief view of the pressure cooker according to the first embodiment of the present invention.
Fig. 5 is a schematic view of a pressure cooker according to a second embodiment of the present invention.
Fig. 6 is an assembly view of an elastic member and a fixing member according to a second embodiment of the present invention.
Fig. 7 is an assembly view of the elastic member, the fixing member, the pot cover and the pot body according to the embodiment of the present invention.
Fig. 8 is a pressure relief diagram of a pressure cooker according to a second embodiment of the present invention.
Fig. 9 is a schematic view of a pressure cooker according to a third embodiment of the present invention.
Fig. 10 is an assembly view of an elastic member and a fixing member according to a third embodiment of the present invention.
Fig. 11 is a pressure relief diagram of a pressure cooker according to a third embodiment of the present invention.
1. An elastic member; 11. a first part; 12. a second section; 13. a deformation section; 2. a fixing member; 21. a through hole; 22. a fixing groove; 3. an extension member; 31. a rotating shaft hole; 4. a clamping piece; 5. a reinforcement; 61. a pot cover; 62. a seal ring; 71. and (4) a pot body.
Detailed Description
The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the invention is given by way of illustration and not of limitation. The various embodiments may be combined with each other to form other embodiments not shown in the following description.
Referring to fig. 1 to 2, an embodiment of the present invention provides a pressure cooker, including: pot cover 61, sealing ring 62, pot body 71 and elastic pressure relief device. The elastic pressure relief device comprises an elastic piece 1, a fixing piece 2, an extension piece 3, a clamping piece 4 and a reinforcing piece 5.
In the preferred embodiment, a sealing ring 62 is provided on the inner side of the lid 61. When the pot cover 61 and the pot body 71 are matched and fixed, the sealing ring 62 is tightly propped against the edge of the pot opening of the pot body 71, so that the sealing performance between the pot body 71 and the pot cover 61 is enhanced.
In the preferred embodiment, an extension member 3 and a catching member 4 are provided at one side of the pot cover 61 and the pot body 71. Specifically, one end of the extension member 3 is fixed to the lid 61, and the other end extends to the outside of the lid 61. The end part of the extension piece 3 extending to the outer side of the pot cover 61 is rotationally connected with the upper end of the clamping piece 4, and the lower end of the clamping piece 4 can be fixedly clamped with the edge of the pot opening of the pot body 71. At this time, the pot body 71 and one side of the pot cover 61 are already fixedly connected.
More preferably, a rotation shaft hole 31 is formed on the extension member 3, and the rotation shaft hole 31 is located at an outer side of the pot cover 61. The upper end of the clamping piece 4 is also provided with a mounting hole. The elastic pressure relief device may further include a rotating shaft, which is rotatably inserted into the rotating shaft hole 31 and the mounting hole, so as to rotatably connect the upper end of the clamping member 4 and the extending member 3.
It can be imagined that extension piece 3 and joint 4 are all made by the material that hardness is great, and in the use of pressure cooker, extension piece 3 and joint 4 can not produce any deformation. Therefore, if the rotation shaft hole 31 is located inside the pot cover 61, the clamping member 4 collides with the edge of the pot cover 61 during the rotation of the clamping member 4, so that the lower end of the clamping member 4 cannot be fixedly clamped with the pot body 71.
More preferably, a reinforcing part 5 can be further arranged on the outer side face of the pot body 71, and the shapes of the reinforcing part 5 and the lower end of the clamping part 4 can be matched, so that the lower end of the clamping part 4 can be fixedly clamped with the reinforcing part 5.
In the first embodiment, the elastic element 1 and the fixing element 2 are disposed on the other side of the pot cover 61 and the pot body 71, and the fixing element 2 is fixed to the pot body 71, one end of the elastic element 1 is fixed to the pot cover 61, and the other end of the elastic element 1 is fixed to the fixing element 2.
Referring to fig. 3 to 4, in the first embodiment, the elastic element 1 includes a first portion 11, a deformation portion 13 and a second portion 12, which are integrally formed, and the deformation portion 13 is located between the first portion 11 and the second portion 12. The deformation portion 13 has elasticity, and can be deformed and automatically restored to the original shape. The first portion 11 is fixedly connected with the pot cover 61 through a fastener.
The fixing member 2 is provided with a through hole 21, and the second portion 12 is inserted into the through hole 21 and abuts against the upper side surface of the through hole 21. It should be noted that the fixing member 2 is made of a material with a relatively high hardness, and the fixing member 2 will not deform during the use of the pressure cooker, so that the position of the second portion 12 is also fixed.
When the pressure cooker is used, the cooker body 71 is heated, and the air pressure in the cooker body 71 is increased. When the air pressure in the pot body 71 is greater than the structural strength of the deformation part 13, the position of the second part 12 is fixed, and the first part 11 moves upwards along with the pot cover 61, so that the deformation part 13 can deform, the pot cover 61 rotates upwards by taking the joint of the clamping part 4 and the reinforcing part 5 as an axis, a gap is formed between the pot cover 61 and the pot body 71, and the air pressure escapes to the outside from the gap to realize pressure relief.
When the external world no longer continues to heat the pot body 71, the air pressure in the pot body 71 is reduced until the air pressure is smaller than the structural strength of the deformation part 13, the deformation part 13 gradually restores to the original shape under the action of the elasticity of the deformation part 13, so that the gap between the pot cover 61 and the pot body 71 is gradually reduced until the pot cover 61 and the pot body 71 are sealed and closed.
Referring to fig. 5 to 6, in the second embodiment, the elastic element 1 also includes a first portion 11, a deformation portion 13 and a second portion 12, which are integrally formed, and the deformation portion 13 is located between the first portion 11 and the second portion 12. The deformation portion 13 has elasticity, and can be deformed and automatically restored. Different from the first embodiment, the first portion 11 is fixedly connected to the pot body 71, the second portion 12 is formed with a through hole 21, and one end of the fixing member 2 is fixed to the pot cover 61, and the other end is inserted into the through hole 21 and abuts against the upper side surface of the through hole 21. The remaining structure of the second embodiment is the same as that of the first embodiment. Referring to fig. 7, the fixing member 2 may also be integrally molded with the lid 61 by casting, specifically by die casting or casting; through integrative casting shaping, it is changeed in the manufacturing, easy to assemble.
Referring to fig. 8, in the second embodiment, when the pressure cooker is used, the cooker body 71 is heated, and the air pressure in the cooker body 71 is increased. When the atmospheric pressure in the pot body 71 is greater than the structural strength of deformation portion 13, because first portion 11 is fixed, 2 one end of mounting is fixed with pot cover 61, consequently second portion 12 and mounting 2 move up along with pot cover 61, deformation portion 13 can be out of shape for pot cover 61 rotates to move up with the junction of joint spare 4 and reinforcement 5 as the axle center, produces the clearance between pot cover 61 and the pot body 71, and atmospheric pressure escapes to the external world from this clearance, realizes the pressure release.
When the outside does not heat the pot body 71 any more, the air pressure in the pot body 71 is reduced until the air pressure is smaller than the structural strength of the deformation part 13, the deformation part 13 gradually recovers under the elastic action of itself, so that the gap between the pot cover 61 and the pot body 71 is gradually reduced until the pot cover 61 and the pot body 71 are sealed and closed.
Referring to fig. 9 to 10, in the third embodiment, the elastic element 1 also includes a first portion 11, a deformation portion 13 and a second portion 12, which are integrally formed, and the deformation portion 13 is located between the first portion 11 and the second portion 12. The deformation portion 13 has elasticity, and can be deformed and automatically restored to the original shape. Unlike the first embodiment, the fixing member 2 is formed with fixing grooves 22. The first portion 11 has an extension portion extending toward the fixing groove 22, and the extension portion is connected to the deformation portion 13. The extending part, the deformation part 13 and the second part 12 are inserted into the fixing groove 22, and the extending part and the second part 12 are arranged at intervals. Specifically, the extending portion may abut against the lower surface of the fixed groove 22, and the second portion 12 may abut against the upper surface of the fixed groove 22, or the extending portion may abut against the upper surface of the fixed groove 22, and the second portion 12 may abut against the lower surface of the fixed groove 22. The remaining structure of the third embodiment is the same as that of the first embodiment.
It is conceivable that the deformation portion 13 is displaced by a small distance in the horizontal direction when the deformation portion 13 is deformed, and therefore the deformation portion 13 needs to be spaced apart from the inner surface of the fixing groove 22.
Referring to fig. 11, in the third embodiment, the extending portion is abutted against the lower side surface of the fixing groove 22, and the second portion 12 is abutted against the upper side surface of the fixing groove 22 as an example, when the pressure cooker is used, the pot body 71 is heated, and the air pressure in the pot body 71 is increased. When the atmospheric pressure in the pot body 71 is greater than the structural strength of deformation portion 13, because mounting 2 is the rigid, second portion 12 and the last side butt of fixed slot 22, consequently also the rigid, first portion 11 is fixed with pot cover 61, consequently first portion 11 moves up along with pot cover 61, deformation portion 13 takes place to deform at this in-process, make the interval between first portion 11 and the second portion 12 reduce, pot cover 61 uses the junction of joint 4 and reinforcement 5 to rotate as the axle center and moves up, produce the clearance between pot cover 61 and the pot body 71, atmospheric pressure escapes to the external world from this clearance, realize the pressure release.
When the outside does not heat the pot body 71 any more, the air pressure in the pot body 71 is reduced until the air pressure is smaller than the structural strength of the deformation part 13, the deformation part 13 gradually recovers under the elastic action of itself, so that the gap between the pot cover 61 and the pot body 71 is gradually reduced until the pot cover 61 and the pot body 71 are sealed and closed.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are intended to be covered by the claims.
Claims (9)
1. An elastic pressure relief device for elastically connecting a pot cover (61) and a pot body (71), comprising:
the elastic piece (1) comprises a first part (11), a second part (12) and a deformation part (13) positioned between the first part (11) and the second part (12);
the fixing piece (2) is fixed with the pot cover (61), the first part (11) is fixed with the pot body (71), and the second part (12) is fixed with the fixing piece (2);
or the fixing piece (2) is fixed with the pot body (71), the first part (11) is fixed with the pot cover (61), and the second part (12) is fixed with the fixing piece (2);
when the pressure is relieved, the pot cover (61) is pushed upwards by air pressure, so that the deformation part (13) is deformed, and a gap is formed between the pot cover (61) and the pot body (71).
2. An elastic pressure relief device according to claim 1, characterized in that the deformation (13) is formed integrally with the first (11) and the second (12) part.
3. The elastic pressure relief device according to claim 1, characterized in that a through hole (21) is provided on the fixing member (2), and the second portion (12) is fixedly inserted in the through hole (21); or a through hole (21) is formed in the second portion (12), and the fixing piece (2) is fixedly inserted into the through hole (21).
4. The elastic pressure relief device according to claim 1, characterized in that when the fixing member (2) is fixed to the pot body (71), the fixing member (2) is formed with a fixing groove (22), the first portion (11) has an extension portion extending in a direction of the fixing groove (22), the extension portion, the deformation portion (13) and the second portion (12) are inserted into the fixing groove (22), and the extension portion, the second portion (12) abut against an inner side surface of the fixing groove (22); the height of the extension part is different from that of the second part (12), and the distance between the extension part and the second part (12) is reduced when the deformation part (13) is deformed.
5. The elastic pressure relief device according to claim 4, characterized in that the deformation (13) is spaced from the inner wall of the fixing groove (22).
6. The elastic pressure relief device according to claim 1, further comprising an extension member (3) and a clamping member (4), wherein one end of the extension member (3) is fixed with the pot cover (61), and the other end extends to the outside of the pot cover (61); joint spare (4) upper end with extend piece (3) and extend to the tip in pot cover (61) outside rotates to be connected, joint spare (4) lower extreme with the pot body (71) joint.
7. The elastic pressure relief device according to claim 6, further comprising a reinforcement (5), wherein the reinforcement (5) is fixedly disposed on the pot body (71), and the lower end of the clamping member (4) is clamped with the reinforcement (5).
8. The elastic pressure relief device according to any of claims 1 to 7, wherein said securing element (2) is integrally cast with said lid (61).
9. Pressure cooker, characterized by comprising the elastic pressure relief device of any one of claims 1 to 8, and a lid (61) and a body (71) which are arranged in a matching way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211117264.6A CN115462672B (en) | 2022-09-14 | Elastic pressure relief device and pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211117264.6A CN115462672B (en) | 2022-09-14 | Elastic pressure relief device and pressure cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115462672A true CN115462672A (en) | 2022-12-13 |
| CN115462672B CN115462672B (en) | 2024-05-28 |
Family
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2393454Y (en) * | 1999-09-17 | 2000-08-30 | 邓嵘 | Safety pressure cooker |
| CN201379415Y (en) * | 2008-12-31 | 2010-01-13 | 广东华南工业设计院 | Safe pressure cooker |
| JP3179183U (en) * | 2012-08-07 | 2012-10-18 | 株式会社ドウシシャ | Pressure cooker |
| CN109330360A (en) * | 2018-11-30 | 2019-02-15 | 广东天际电器股份有限公司 | A kind of minute-pressure steaming stewpot |
| CN210169761U (en) * | 2019-04-02 | 2020-03-24 | 九阳股份有限公司 | Anti-overflow cooking utensil |
| CN111110024A (en) * | 2020-01-16 | 2020-05-08 | 广东顺发五金制品有限公司 | Gland type safety pressure cooker |
| CN216822889U (en) * | 2021-12-14 | 2022-06-28 | 杭州九阳小家电有限公司 | Pot cover assembly and pot with same |
| CN114938915A (en) * | 2022-06-01 | 2022-08-26 | 孟秦玉 | Dynamic pressure adjusting sealing device for cookware |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2393454Y (en) * | 1999-09-17 | 2000-08-30 | 邓嵘 | Safety pressure cooker |
| CN201379415Y (en) * | 2008-12-31 | 2010-01-13 | 广东华南工业设计院 | Safe pressure cooker |
| JP3179183U (en) * | 2012-08-07 | 2012-10-18 | 株式会社ドウシシャ | Pressure cooker |
| CN109330360A (en) * | 2018-11-30 | 2019-02-15 | 广东天际电器股份有限公司 | A kind of minute-pressure steaming stewpot |
| CN210169761U (en) * | 2019-04-02 | 2020-03-24 | 九阳股份有限公司 | Anti-overflow cooking utensil |
| CN111110024A (en) * | 2020-01-16 | 2020-05-08 | 广东顺发五金制品有限公司 | Gland type safety pressure cooker |
| CN216822889U (en) * | 2021-12-14 | 2022-06-28 | 杭州九阳小家电有限公司 | Pot cover assembly and pot with same |
| CN114938915A (en) * | 2022-06-01 | 2022-08-26 | 孟秦玉 | Dynamic pressure adjusting sealing device for cookware |
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