CN220778086U - Pressure release valve structure and vacuum micro-pressure cooker thereof - Google Patents
Pressure release valve structure and vacuum micro-pressure cooker thereof Download PDFInfo
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- CN220778086U CN220778086U CN202322601947.5U CN202322601947U CN220778086U CN 220778086 U CN220778086 U CN 220778086U CN 202322601947 U CN202322601947 U CN 202322601947U CN 220778086 U CN220778086 U CN 220778086U
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- pressure relief
- container
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 description 9
- 239000011521 glass Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a pressure relief valve structure and a vacuum micro-pressure cooker thereof, wherein the pressure relief valve structure comprises a valve body arranged at a pressure relief position of a container, a pressure relief channel is reserved between the pressure relief position and the valve body, and the pressure relief valve structure further comprises a first connecting part and a second connecting part which are arranged on the valve body, wherein the thicknesses of the first connecting part and the second connecting part are different; when the external atmospheric pressure is greater than the pressure in the container, the first connecting part and the second connecting part of the pressure release valve body are adsorbed on the pressure release part of the container under the air pressure, and the second connecting part is supported on the pressure release part, and the first connecting part seals the pressure release channel through deformation under the air pressure adsorption. Through be equipped with two connecting portions of inconsistent thickness on the valve body of relief valve, when one of them connecting portion is at the inside negative pressure of container, this connecting portion takes place to warp, and then sealed container's pressure release passageway, another connecting portion thickness is thicker, plays the supporting role to make the relief valve stabilize on the container.
Description
Technical Field
The utility model relates to a pressure release valve, in particular to a pressure release valve structure and a vacuum micro-pressure cooker thereof.
Background
Chinese patent No. ZL202020212298.3 discloses a micro-pressure pot cover, it also discloses a micro-pressure valve arranged on the glass cover, the micro-pressure valve comprises a glass cover gasket and a valve body, see fig. 1 of the patent, the micro-pressure valve only has an exhaust structure (valve body), the valve body has only a sealing surface sealed with the pressure relief position, the thickness of the sealing surface is thicker, the pressure relief valve needs to better seal the pressure relief position through deformation under air pressure adsorption, the thickness of the sealing surface is thicker, the sealing deformation is not facilitated, and a certain gap is always reserved between the valve body and the sealing position of the glass cover.
In addition, if there is only one exhaust structure, when this exhaust structure fails, the micro-pressure valve cannot automatically float up, and the cover cannot be opened. Further improvements are needed.
Disclosure of utility model
The utility model aims to provide a pressure relief valve structure and a vacuum micro-pressure cooker thereof, wherein two connecting parts with different thicknesses are arranged on a valve body of the pressure relief valve, one connecting part deforms when the inside of a container is subjected to negative pressure, so that a pressure relief channel of the container is sealed, and the other connecting part is thicker, and plays a supporting role, so that the pressure relief valve is stabilized on the container.
The purpose of the utility model is realized in the following way:
The pressure relief valve structure comprises a valve body arranged at a pressure relief position of a container, a pressure relief channel is reserved between the pressure relief position and the valve body, and the pressure relief valve structure further comprises a first connecting part and a second connecting part which are arranged on the valve body, wherein the thicknesses of the first connecting part and the second connecting part are different; when the external atmospheric pressure is greater than the pressure in the container, the first connecting part and the second connecting part of the pressure release valve body are adsorbed on the pressure release part of the container under the air pressure, and the second connecting part is supported on the pressure release part, and the first connecting part seals the pressure release channel through deformation under the air pressure adsorption.
The second connecting portion is arranged around the outer side of the valve body, and the first connecting portion is arranged around the outer side of the second connecting portion.
The thickness of first connecting portion is less than the thickness of second connecting portion, and deformation takes place more easily for first connecting portion, and when the inside atmospheric pressure of container is too little (the container is under sealed state), first connecting portion is through deformation seal pressure release passageway under the atmospheric pressure absorption, and sealed effect is better, prevents that the container from leaking gas under the heating culinary art state.
When the pressure inside the container needs to be relieved, the valve body drives the first connecting part and the second connecting part to float upwards along the pressure relief part and open the pressure relief channel, the first connecting part forms a first exhaust structure of the pressure relief valve, when the gas inside the container is excessive, the valve body floats upwards, the pressure relief channel is opened, and the gas inside the container is discharged.
Be equipped with the second exhaust structure on the pressure release department, carry out the pressure release through the second exhaust structure when the first exhaust structure of relief valve became invalid, when preventing first exhaust structure to become invalid, also can open the second exhaust structure through manual, have dual pressure release protection.
The second exhaust structure comprises an exhaust channel and a piston which are arranged on the valve body; the exhaust passage is opened or closed by attaching and detaching the piston to and from the valve body.
The valve body is provided with a limit groove, and the piston comprises a piston head limited on the limit groove and a cylinder inserted into the exhaust channel; the outer diameter of the piston head is larger than the inner diameter of the exhaust channel, and when the piston is installed on the valve body, the piston head of the piston effectively seals the exhaust channel on the valve body.
One end of the valve body is provided with a limiting ring with the outer diameter larger than the inner diameter of the pressure relief channel, and when the pressure in the container is relieved, the valve body of the pressure relief valve is limited and floats on the pressure relief channel through the limiting ring, so that the pressure relief valve is prevented from being outwards separated from the pressure relief channel.
The outer surface of the valve body is provided with a notch communicated with the pressure relief channel, and when the pressure in the container is relieved, the gas in the container is discharged outwards through the pressure relief channel and the notch of the valve body.
The vacuum micro-pressure cooker comprises a cover body assembly, wherein the cover body assembly is provided with the pressure relief valve structure.
The beneficial effects of the utility model are as follows:
Through be equipped with two connecting portions of inconsistent thickness on the valve body of relief valve, when one of them connecting portion is at the inside negative pressure of container, this connecting portion takes place to warp, and then sealed container's pressure release passageway, another connecting portion thickness is thicker, plays the supporting role to make the relief valve stabilize on the container.
Drawings
FIG. 1 is a schematic diagram showing an assembled and disassembled structure of a pressure release valve and a container according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram showing an assembled and disassembled structure of a piston and a valve body of a pressure release valve according to an embodiment of the present utility model.
Fig. 3 is a schematic cross-sectional view of a relief valve according to an embodiment of the present utility model.
Fig. 4 is a schematic view of a three-dimensional cross-section of a relief valve according to an embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1-4, a pressure release valve structure comprises a valve body 2 arranged at a pressure release position 1 of a container, a pressure release channel 3 is reserved between the pressure release position 1 and the valve body 2, and the pressure release valve structure further comprises a first connecting part 4 and a second connecting part 5 which are arranged on the valve body 2, wherein the thicknesses of the first connecting part 4 and the second connecting part 5 are different; when the external atmospheric pressure is greater than the pressure in the container, the first connecting part 4 and the second connecting part 5 of the pressure release valve body 2 are adsorbed on the pressure release part 1 of the container under the air pressure, the second connecting part 5 is supported on the pressure release part 1, and the pressure release channel 3 is sealed by deformation of the first connecting part 4 under the air pressure adsorption.
The second connecting portion 5 is disposed around the outside of the valve body 2, and the first connecting portion 4 is disposed around the outside of the second connecting portion 5.
In the present embodiment, the bottom of the first connecting portion 4 is on the same plane as the bottom of the second connecting portion 5.
The second connecting part 5 the first connecting part 4 is arranged on the valve body 2 in an inner circle and an outer circle.
The thickness of the first connecting portion 4 is smaller than the thickness of the second connecting portion 5.
When pressure relief is needed in the container, the valve body 2 drives the first connecting part 4 and the second connecting part 5 to float upwards along the pressure relief part 1 and open the pressure relief channel 3, and the first connecting part 4 forms a first exhaust structure of the pressure relief valve.
The pressure relief part 1 is provided with a second exhaust structure, and the pressure relief is carried out through the second exhaust structure when the first exhaust structure of the pressure relief valve fails.
The second exhaust structure comprises an exhaust passage 6 and a piston 7 which are arranged on the valve body 2; the exhaust passage 6 is opened or closed by attaching and detaching the piston 7 to and from the valve body 2.
The valve body 2 is provided with a limit groove 8, and the piston 7 comprises a piston head 9 limited on the limit groove 8 and a cylinder 10 inserted into the exhaust channel 6; the piston head 9 has an outer diameter larger than the inner diameter of the exhaust passage 6.
In the present embodiment, when the piston 7 is mounted on the valve body 2, the piston head 9 of the piston 7 is positioned on the limit groove 8.
When the piston 7 is removed, the vent passage 6 of the valve body 2 is opened, and the inside of the container is in a sealed state, and the gas inside the container is discharged through the vent passage 6.
One end of the valve body 2 is provided with a limiting ring 11 with the outer diameter larger than the inner diameter of the pressure relief channel 3, and when the pressure in the container is relieved, the valve body 2 of the pressure relief valve is limited and floats on the pressure relief channel 3 through the limiting ring 11.
The outer surface of the valve body 2 is provided with a notch 12 communicated with the pressure relief channel 3, and when the pressure in the container is relieved, the gas in the container is discharged outwards through the pressure relief channel 3 and the notch 12 of the valve body 2.
The vacuum micro-pressure cooker comprises a cover body assembly 13, wherein the cover body assembly 13 is provided with the pressure relief valve structure.
In this embodiment, the cover assembly 13 is provided with a pressure relief portion 1 for installing the pressure relief valve 2, a peripheral baffle is arranged on the periphery of the pressure relief portion 1, and the peripheral baffle extends upwards to form an open pressure relief cavity for covering the pressure relief valve 2.
In this embodiment, the cover assembly 13 includes an outer cover and an inner cover, a glass plate is disposed between the outer cover and the inner cover, a mounting position (pressure relief position 1) for mounting the pressure relief valve 2 is disposed on the outer cover, the inner cover and the glass plate, and a pressure relief valve sealing ring is disposed between the outer cover and the glass plate and is correspondingly close to the pressure relief valve.
The cover body component 13 is provided with a sealing ring for sealing the inner pot of the vacuum micro-pressure cooker.
In the embodiment, when the vacuum micro-pressure cooker is heated and the inner cooker of the vacuum micro-pressure cooker reaches the required pressure, the pressure relief valve floats and discharges air in the inner cooker, when the vacuum micro-pressure cooker stops heating, the external atmospheric pressure is higher than the pressure in the inner cooker, the pressure relief valve sinks and is adsorbed on the cover body component for sealing under the air pressure, and at the moment, the inner cooker of the vacuum micro-pressure cooker is in a vacuum and micro-pressure state; the food in the inner pot is in vacuum and micro-pressure state to maintain the fresh-keeping effect of the food.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a relief valve structure, is including being used for installing valve body (2) at container pressure release department (1), leaves pressure release passageway (3), its characterized in that between pressure release department (1) and valve body (2): the valve further comprises a first connecting part (4) and a second connecting part (5) which are arranged on the valve body (2), wherein the thicknesses of the first connecting part (4) and the second connecting part (5) are different; when the external atmospheric pressure is larger than the pressure in the container, the first connecting part (4) and the second connecting part (5) of the pressure release valve body (2) are adsorbed on the pressure release part (1) of the container under the air pressure, the second connecting part (5) is supported on the pressure release part (1), and the first connecting part (4) seals the pressure release channel (3) through deformation under the air pressure adsorption.
2. The pressure relief valve structure of claim 1, wherein: the second connecting part (5) is arranged around the outer side of the valve body (2), and the first connecting part (4) is arranged around the outer side of the second connecting part (5).
3. The pressure relief valve structure of claim 1, wherein: the thickness of the first connecting portion (4) is smaller than the thickness of the second connecting portion (5).
4. The pressure relief valve structure of claim 1, wherein: when pressure release is needed inside the container, the valve body (2) drives the first connecting part (4) and the second connecting part (5) to float upwards along the pressure release part (1) and open the pressure release channel (3), and the first connecting part (4) forms a first exhaust structure of the pressure release valve.
5. The pressure relief valve structure of claim 4, wherein: the pressure relief part (1) is provided with a second exhaust structure, and the pressure relief valve is used for relieving pressure through the second exhaust structure when the first exhaust structure of the pressure relief valve fails.
6. The pressure relief valve structure of claim 5, wherein: the second exhaust structure comprises an exhaust channel (6) and a piston (7) which are arranged on the valve body (2); the piston (7) is attached to the valve body (2) to open or close the exhaust passage (6).
7. The pressure relief valve structure of claim 6, wherein: the valve body (2) is provided with a limit groove (8), and the piston (7) comprises a piston head (9) limited on the limit groove (8) and a cylinder (10) inserted into the exhaust channel (6); the outer diameter of the piston head (9) is larger than the inner diameter of the exhaust passage (6).
8. The pressure relief valve structure of claim 1, wherein: one end of the valve body (2) is provided with a limiting ring (11) with the outer diameter larger than the inner diameter of the pressure relief channel (3), and when the pressure in the container is relieved, the valve body (2) of the pressure relief valve is limited and floats on the pressure relief channel (3) through the limiting ring (11).
9. The pressure relief valve structure of claim 1, wherein: the outer surface of the valve body (2) is provided with a notch (12) communicated with the pressure relief channel (3), and when the pressure in the container is relieved, the gas in the container is discharged outwards through the pressure relief channel (3) and the notch (12) of the valve body (2).
10. A vacuum micro-pressure cooker comprising a cover assembly (13), characterized in that: the cover assembly (13) is provided with a pressure relief valve structure according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322601947.5U CN220778086U (en) | 2023-09-23 | 2023-09-23 | Pressure release valve structure and vacuum micro-pressure cooker thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322601947.5U CN220778086U (en) | 2023-09-23 | 2023-09-23 | Pressure release valve structure and vacuum micro-pressure cooker thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220778086U true CN220778086U (en) | 2024-04-16 |
Family
ID=90653532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322601947.5U Active CN220778086U (en) | 2023-09-23 | 2023-09-23 | Pressure release valve structure and vacuum micro-pressure cooker thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220778086U (en) |
-
2023
- 2023-09-23 CN CN202322601947.5U patent/CN220778086U/en active Active
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