CN213309038U - Pressure cooker sealing ring and pressure cooker - Google Patents
Pressure cooker sealing ring and pressure cooker Download PDFInfo
- Publication number
- CN213309038U CN213309038U CN202021160551.1U CN202021160551U CN213309038U CN 213309038 U CN213309038 U CN 213309038U CN 202021160551 U CN202021160551 U CN 202021160551U CN 213309038 U CN213309038 U CN 213309038U
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- cooker
- pressure
- pot
- lip
- cover
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- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 238000010438 heat treatment Methods 0.000 description 16
- 238000010411 cooking Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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Abstract
The utility model provides a pressure cooker sealing washer and pressure cooker, wherein the pressure cooker sealing washer includes lip limit and base member, and the lip limit is connected with the base member, and lip limit and base member are the annular setting, and the lip limit extends to the outside of the axis direction of annular base member, and the lip limit on the at least partial base member, along the both sides of radial direction, the lip limit length of one side is less than the lip limit length of opposite side. The utility model discloses in, the length in lip limit sets up the nonconformity to make the lip limit possess the ability of complete pressure release, accomplish the pressure release more easily, be unlikely to resume to encapsulated situation.
Description
Technical Field
The utility model relates to a kitchen appliances technical field especially relates to a pressure cooker sealing washer and pressure cooker.
Background
Pressure cooker is as pressure cooking utensil, when cooking food, can accomplish the culinary art of eating the material fast, but, pressure cooking's characteristics also let pressure cooker have certain safety risk when the culinary art.
Generally, a pressure cooker comprises a cooker cover and a cooker body, wherein the cooker cover is provided with a locking cover for locking, an inner cooker and an outer cooker are arranged in the cooker body, the bottom of the outer cooker is provided with a heating device, and the inner cooker is placed in the outer cooker; the pressure cooker can be divided into a split pressure cooker and a conjoined pressure cooker according to whether the cooker cover can be detached from the cooker body or not, the split pressure cooker cover can be detached, the locking cover is generally locked with the outer cooker, the inner cooker can move downwards relative to the outer cooker under the pressure, generally speaking, the heating plate of the electromagnetic heating can not bear the pressure of the inner cooker, so the heating device of the split pressure cooker on the market generally adopts the heating plate, the inner cooker is placed on the heating plate, and the heating plate is arranged on the outer cooker; in the split pressure cooker, a sealing ring is arranged between a cooker cover and a cooker body, so that a sealed cavity is formed; generally, a pressure cooker of a separate type has a packing ring provided on a locking cover; the integrated pressure cooker comprises a lock cover, an inner cooker, an outer cooker, an electromagnetic wire coil, a pressure bearing support piece, a heating disc, a pressure bearing structure, a sealing ring, a heating disc, a detachable inner cover and a detachable inner cover, wherein the lock cover can be locked with the outer cooker or the inner cooker, when the lock cover is locked with the inner cooker, the inner cooker is locked by the lock cover, so that the possibility of downward displacement relative to the outer cooker is not possessed after the upper pressure is exerted; no matter disjunctor formula or split type pressure cooker, when pressure cooker surpassed safe pressure in inside culinary art chamber, can take place deformation through the lip limit of the sealing washer between the pot cover and the pot body, and then destroy the encapsulated situation between the pot cover and the pot body, accomplish the discharge of culinary art intracavity high-pressure steam, realize the pressure release.
At present, when overpressure pressure relief is carried out through a sealing ring, the pressure in a cooker cannot be reliably reduced to be lower than safe pressure, and the pressure relief is incomplete.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pressure cooker sealing washer and pressure cooker to the incomplete problem of pressure release when solving pressure cooker sealing washer pressure release.
Therefore, the utility model provides a pressure cooker sealing ring, including lip limit and base member, the lip limit is connected with the base member, and lip limit and base member are the annular setting, and the lip limit extends to the outside of the axis direction of annular base member, and the lip limit on at least partial base member is along the both sides of radial direction, and the lip limit length of one side is less than the lip limit length of opposite side.
Preferably, the lip includes an upper lip and a lower lip, each extending along both sides in the axial direction of the annular base.
Preferably, the lip has a free end and a connecting end connected to the base; the end face of the free end is obliquely arranged relative to the circumferential surface of the annular base body.
Preferably, the end face of the free end is inclined at an angle of more than 2 ° to the circumferential face.
Preferably, the base body is provided with a pressure relief opening.
Preferably, the base is provided with a mounting structure.
Furthermore, the utility model also provides a pressure cooker, including the pot body and pot cover, the internal pot that is equipped with of pot, establish at the sealing washer between interior pot and the pot cover, the above-mentioned arbitrary pressure cooker sealing washer of sealing washer.
Preferably, the inner pot is provided with a pot opening flanging, the lower surface of the base body of the sealing ring is matched with the pot opening flanging, and the outer side surface of the lower lip edge is matched with the inner wall of the inner pot in a sealing mode.
Preferably, the lid has a locking cap, the upper surface of the base of the sealing ring engaging the locking cap, and the outer side of the upper lip engaging the locking cap in a sealing manner.
Preferably, the pot cover is provided with cover teeth, the pot body is provided with pot teeth, and the cover teeth are locked with the pot teeth.
Has the advantages that:
1. no matter disjunctor formula or split type pressure cooker, when pressure cooker surpassed safe pressure in inside culinary art chamber, the lip limit of the sealing washer between pot cover and the pot body will take place deformation, and then destroys the encapsulated situation between pot cover and the pot body, accomplishes the discharge of culinary art intracavity high-pressure steam, realizes the pressure release. The lip length of current sealing washer everywhere is unanimous, and deformability is limited, leads to the pressure release incomplete for resume again to encapsulated situation easily after the pressure release, the user can't open the pot cover, if the user uncaps by force this moment, also has the risk of frying the pot. The utility model discloses in, the length in lip limit sets up the nonconformity to make the lip limit possess the ability of complete pressure release, accomplish the pressure release more easily, be unlikely to resume to encapsulated situation.
More the utility model discloses see in detail embodiment with the beneficial effect of prior art contrast.
Drawings
FIG. 1 is a schematic structural view of a pressure cooker according to an embodiment of the present invention;
FIG. 2 is a schematic view of a sealing structure between a sealing ring and an inner pot according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a seal ring according to an embodiment of the present invention;
fig. 4 is a side view of a seal ring according to an embodiment of the present invention.
Reference numerals:
100. a pot body 110, an outer pot 120 and a heating device;
200. the pressure relief cover comprises a pot cover, 210, a locking cover, 220, a sealing ring, 221, a base body, 222, an upper lip edge, 223, a lower lip edge, 224, a pressure relief opening, 225 and a mounting structure;
300. inner pot 310, pot mouth flanging.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following embodiments. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
Non-limiting and non-exclusive embodiments will be described with reference to the following figures, wherein like reference numerals refer to like parts, unless otherwise specified.
As shown in fig. 1, which is a schematic structural diagram of a pressure cooker, the pressure cooker comprises a cooker cover 200, an inner cooker 300 and a cooker body 100, the cooker cover 200 is provided with a locking cover 210 for locking, the inner cooker 300 is arranged in the cooker body 100, the cooker body 100 is further provided with an outer cooker 110, and the bottom of the outer cooker 110 is provided with a heating device 120.
In the cooking process, the pot cover 200 is covered on the pot body 100, food is placed in the inner pot 300, the bottom heating device 120 heats the inner pot 300 to cook the food and generate steam, the pot cover 200 is provided with a float valve and a pressure limiting valve, the generated steam can be discharged through the float valve in the early stage of cooking, when the amount of the internal steam reaches a certain amount, the float valve floats upwards, a sealing ring 220 is arranged between the pot cover 200 and the pot body 100, after the float valve floats upwards, a closed cooking cavity can be formed, and at the moment, the cooking cavity is continuously heated and further pressed upwards; after cooking is finished, the pressure limiting valve is opened to release the pressure of the pressure cooker.
Under some abnormal conditions, such as the blockage of the pressure limiting valve and the float valve, when the normal air exhaust and pressure relief cannot be realized, the phenomenon that the inner pot 300 is too large in pressure and then the pot is fried can occur, so that the safety of a user is threatened, and safety measures are required to be set for avoiding the occurrence of the pot frying.
In this embodiment, the overpressure pressure relief is mainly realized by using a sealing ring 220 disposed between the pot body 100 and the pot cover 200, as shown in fig. 3-4, the sealing ring 220 of the pressure cooker includes a lip and a base 221, the lip is connected to the base 221, the lip and the base 221 are disposed in an annular shape, the lip extends to the outside of the annular base 221 in the axial direction, at least part of the lip on the base 221 is disposed at both sides in the radial direction, and the length of the lip at one side is smaller than that of the lip at the other side.
The annular inner pot 300 can be sealed by the annular base 221 and the lip provided on the base 221 and extending outward in the axial direction of the annular base 221, i.e., in the vertical direction of fig. 4. The outer side is an upper side or a lower side in the axial direction. The lip and the base 221 are both made of flexible materials, preferably food-grade silica gel materials. In order to enable complete pressure relief during overpressure, the lengths of the lips are different at different positions of the base body 221, and in this embodiment, the lengths of the lips are different, so that at least part of the lips on the base body 221 are on both sides in the radial direction, and the length H of the lip on one side is smaller than the length H of the lip on the other side, namely the radial direction is the diameter or radial direction of the annular base body 221.
Specifically, the lip has a free end and a connecting end connected to the base 221, and the end face of the free end is obliquely arranged relative to the circumferential surface of the annular base 221; as shown in fig. 4, the lip has a lower left side and a higher right side, and is disposed obliquely, the free end can move freely or deform, the connecting end is connected with the base 221, in this embodiment, the free end, the connecting end and the base 221 are integrally formed, and the shape of the lip is matched with the shape of the inner container and the lid 200. The circumferential surface is a surface passing through the diameter or radius, and is a surface perpendicular to the paper surface in fig. 4.
When the inclination angle of the end face of the free end relative to the circumferential surface is larger than 2 degrees, the long lip edge can be opened when the pressure is overlarge when the inclination angle is larger than 2 degrees in the use process, and further the complete pressure is realized.
The lips include an upper lip 222 and a lower lip 223 extending along both sides of the annular base 221 in the axial direction, respectively, the upper lip 222 sealing with the lid 200, and the lower lip 223 sealing with the inner pot 300. In some embodiments, only the lower lip 223 may be provided in a one-sided high, one-sided low configuration; in this embodiment, the upper and lower lips are configured to be higher on one side and lower on the other side.
The base 221 is provided with a plurality of pressure relief ports 224, and the pressure relief ports 224 may be provided in a plurality and uniformly formed on the base 221, and for better pressure relief, in some embodiments, the pressure relief ports 224 are provided at least in the directions of the high side and the low side of the lip, so that the internal steam can be completely relieved when overpressure occurs. In this embodiment, four pressure relief openings 224 are provided and are distributed at 90 °.
In order to facilitate the installation of the sealing ring 220 on the pot cover 200, the base 221 is provided with an installation structure 225, and the installation structure 225 is convexly arranged on the base 221 and can go deep into the installation hole of the pot cover 200 to realize the installation.
In the present embodiment, a split pressure cooker is proposed, as shown in fig. 1, a lid 200 is detachably disposed on a cooker body 100, and a locking lid 210 of the lid 200 is generally locked with an outer cooker 110 of the cooker body 100. Because the pot cover 200 is detachable, the whole middle pot body 100 of the pot cover 200 can be detached for cleaning during cleaning, for this reason, the sealing ring 220 can be directly installed on the locking cover 210, the upper surface of the base 221 of the sealing ring 220 is matched with the locking cover 210, and the outer side surface of the upper lip 222 is in sealing fit with the locking cover 210. The locking cap 210 has a mounting hole and the base 221 has a mounting structure 225, so that the sealing ring 220 has an upper lip 222 to prevent steam from leaking out of the mounting hole.
To split type pressure cooker, heating device generally is the dish that generates heat, realizes the heating to interior pot through the heat transfer, and the dish that generates heat can the pressure-bearing, and interior pot can directly be placed on the dish that generates heat, and some embodiments, if interior pot diapire is equipped with the pressure-bearing structure, then also can set up the electromagnetic wire coil and heat as heating device to interior pot.
In some embodiments, the pressure cooker is a one-piece pressure cooker, the lid 200 is not detachable from the cooker body 100, and for cleaning, a detachable inner lid is disposed on the lid 200, and a sealing ring 220 is disposed on an outer side of the detachable inner lid, where the sealing ring 220 may not be provided with the protruding mounting structure 225. Since the locking cap 210 does not need to be provided with a mounting hole at this time, only the lower lip 223 may be provided without the upper lip 222; of course, an upper lip 222 and a lower lip 223 may be provided.
The integral pressure cooker can be heated by a heating disc or an electromagnetic wire disc, and when the pressure cooker is locked, the outer cooker and the inner cooker can be locked, which can be determined according to the situation.
When the locking cover is locked with the outer pot, the inner pot can cause the pressure-bearing structure at the bottom to deform under high pressure, so that the inner pot can displace downwards, and if the deformation of the pressure-bearing structure at the bottom is controlled within a certain range, the sealing ring can be more easily released under overpressure. Therefore, the pressure-bearing structure can be a disc spring or a manganese sheet. When the pressure exceeds a certain value, the elastic deformation is generated, so that the inner pot moves downwards relative to the outer pot, when the inner pot moves downwards, the lower lip edge and the pot opening flanging move relatively, and then the sealing state of the lip edge and the pot opening flanging can be damaged, once the sealing state is damaged, high-pressure gas is rapidly discharged from a pressure relief channel between the lip edge and the pot opening flanging, and the pressure relief is finished.
The inner pan 300 is provided with a pan opening flange 310, the lower surface of the base 221 of the sealing ring 220 is matched with the pan opening flange 310, and the outer side surface of the lower lip 223 is matched with the inner wall of the inner pan 300 in a sealing way.
No matter disjunctor formula or split type pressure cooker, when pressure cooker surpassed safe pressure in inside culinary art chamber, the lip limit of the sealing washer 220 between pot cover 200 and the pot body 100 will take place deformation, and then destroys the encapsulated situation between pot cover 200 and the pot body 100, accomplishes the discharge of culinary art intracavity high-pressure steam, realizes the pressure release. Present sealing washer 220, lip length everywhere is unanimous, and deformability is limited, leads to the pressure release incomplete for resume again to encapsulated situation easily after the pressure release, the user can't open pot cover 200, if the user uncaps by force this moment, also has the risk of frying the pot.
In this embodiment, the lip edges are not uniform in length, so that the lip edges have the capability of complete pressure relief, the pressure relief can be completed more easily, and the lip edges cannot be restored to a sealing state. Under the super-pressure, the lower lip edge of the base body can be bent inwards, and then the sealing state between the pot opening flanging and the lower lip edge is damaged.
Claims (10)
1. A sealing ring for pressure cooker, comprising a lip edge and a base body, wherein the lip edge is connected with the base body, the lip edge and the base body are arranged in a ring shape, the lip edge extends towards the outer side of the axis direction of the ring-shaped base body, characterized in that the length of the lip edge on one side is smaller than that of the lip edge on the other side on two sides of the lip edge on at least part of the base body in the radial direction.
2. The seal ring for pressure cookers of claim 1, wherein: the lips include an upper lip and a lower lip, each extending along both sides in the axial direction of the annular base.
3. The seal ring for pressure cookers of claim 1, wherein: said lip having a free end and a connecting end connected to said base; the end face of the free end is obliquely arranged relative to the circumferential surface of the annular base body.
4. The seal ring for pressure cookers of claim 3, wherein: the inclination angle of the end surface of the free end relative to the circumferential surface is more than 2 degrees.
5. The seal ring for pressure cookers of claim 1, wherein: the base body is provided with a pressure relief opening.
6. The seal ring for pressure cookers of claim 1, wherein: and the base body is provided with a mounting structure.
7. A pressure cooker, comprising a cooker body and a cooker cover, wherein an inner cooker is arranged in the cooker body, and a sealing ring is arranged between the inner cooker and the cooker cover, characterized in that the sealing ring is the pressure cooker sealing ring of any one of claims 1 to 6.
8. The pressure cooker of claim 7, wherein: the inner pot is provided with a pot opening flanging, the lower surface of the base body of the sealing ring is matched with the pot opening flanging, and the outer side surface of the lower lip edge is matched with the inner wall of the inner pot in a sealing mode.
9. The pressure cooker of claim 7, wherein: the pot cover is provided with a locking cover, the upper surface of the base body of the sealing ring is matched with the locking cover, and the outer side surface of the upper lip edge is in sealing fit with the locking cover.
10. The pressure cooker of claim 7, wherein: the pot cover is provided with cover teeth, the pot body is provided with pot teeth, and the cover teeth are locked with the pot teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160551.1U CN213309038U (en) | 2020-06-19 | 2020-06-19 | Pressure cooker sealing ring and pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160551.1U CN213309038U (en) | 2020-06-19 | 2020-06-19 | Pressure cooker sealing ring and pressure cooker |
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| Publication Number | Publication Date |
|---|---|
| CN213309038U true CN213309038U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021160551.1U Active CN213309038U (en) | 2020-06-19 | 2020-06-19 | Pressure cooker sealing ring and pressure cooker |
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| CN (1) | CN213309038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113662423A (en) * | 2021-06-25 | 2021-11-19 | 杭州荣灿科技有限公司 | Pressure cooker with negative pressure vacuum state |
-
2020
- 2020-06-19 CN CN202021160551.1U patent/CN213309038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113662423A (en) * | 2021-06-25 | 2021-11-19 | 杭州荣灿科技有限公司 | Pressure cooker with negative pressure vacuum state |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240513 Address after: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee after: Shandong Jiuchuang Home Appliance Co.,Ltd. Country or region after: China Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. Country or region before: China |