CN201719052U - Pressure cooker pressure limiting exhaust valve with high safety - Google Patents
Pressure cooker pressure limiting exhaust valve with high safety Download PDFInfo
- Publication number
- CN201719052U CN201719052U CN2010202245443U CN201020224544U CN201719052U CN 201719052 U CN201719052 U CN 201719052U CN 2010202245443 U CN2010202245443 U CN 2010202245443U CN 201020224544 U CN201020224544 U CN 201020224544U CN 201719052 U CN201719052 U CN 201719052U
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- Prior art keywords
- valve
- blast pipe
- sealing
- pot cover
- tube wall
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- Expired - Fee Related
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Abstract
The utility model relates to a pressure cooker pressure limiting exhaust valve with high safety, which comprises an exhaust pipe, a sealing ring, a round press plate, a ferromagnet, a fixed magnetic sleeve body, a permanent magnet, a valve sleeve and a sealing magnetic valve, wherein the exhaust pipe is penetrated and arranged on a cooker cover. Because the outer surface of the lower end of the exhaust pipe is provided with an outwards projected threaded body, the exhaust pipe and the anti-blocking sealing ring are tightly matched, a first accommodating space used for accommodating the sleeve wall of a fixed magnet sleeve is arranged in the valve sleeve, the fixed magnet sleeve capable of being fixed upwards and downwards moves in the first accommodating space, and the utility model is favorable for improving the reliability thereof. In addition, because a second accommodating space used for accommodating the sealing magnet valve is arranged in the valve sleeve, and the gap distance capable of making the exhaust pipe correspondingly move is formed between the rubber long spring arranged on the permanent magnet and the inner wall of the valve sleeve, and the utility model is favorable for improving the ventilation performance.
Description
[technical field]
The utility model relates to a kind of safe pressure cooker pressure limiting air bleeding valve.
[background technology]
Existing pressure cooker is in order to ensure safe in utilization and easy to use, so the various pressure limiting air bleeding valves that are used with blast pipe all are set on pressure cooker, in the time of can in pressure cooker, surpassing setting value by force, timely venting over pressure gas, keep the safe-working pressure of pressure cooker, again can quick exhaust step-down when being badly in need of uncapping, realize the effect of fast quick-opening lid.Yet existing pressure limiting air bleeding valve can be divided into Weight type, spring and magnetic-type.Use material more great because of the manufacturing of Weight type pressure limiting air bleeding valve, the loaded down with trivial details and wear-resisting corrosivity performance of machining height is so cause its manufacturing cost height.Though described spring pressure limiting air bleeding valve low cost of manufacture exists control deviation big and have a potential safety hazard.Though the cost of described magnetic-type pressure limiting air bleeding valve also will reduce than spring pressure limiting air bleeding valve, in injection moulding process, exist a very big difficulty and a product to wait defective slowly.In order to solve the weak point that above-mentioned several pressure limiting air bleeding valve exists, occur a kind of patent No. subsequently and disclosed a kind of pressure cooker magnetic force pressure limiting valve by the patent documentation of ZL200820202295.0, though this pressure cooker magnetic force pressure limiting valve low cost of manufacture and exchange performance are good, but, in use for some time, because of producing frictional force between described magnet cover and the valve pocket, make to be easy to generate looseningly between blast pipe, magnet cover and the valve pocket, cause its gas permeability difference and poor reliability.
[utility model content]
Technical purpose of the present utility model is to provide a kind of safe pressure cooker pressure limiting air bleeding valve that can improve the gas permeability and the reliability of air bleeding valve in order to solve above-mentioned prior art existing problems.
In order to realize above-mentioned technical problem, the utility model provides a kind of safe pressure cooker pressure limiting air bleeding valve, and it comprises the blast pipe that is arranged on the pot cover, place the sealing ring that closely contacts with the pot cover inwall on the blast pipe of being installed on of pot cover lower end, place the round clamp below the sealing ring, place the ferromagnet that closely contacts with the pot cover outer wall on the blast pipe of being installed on of pot cover upper end, be positioned at the fixedly magnetosheath body on the blast pipe of being installed on ferromagnet top, be installed on the fixedly interior permanent magnet of magnetosheath body, be installed on valve pocket on the fixing magnetosheath body and the sealing magnet valve that is installed on valve pocket inside; Described blast pipe lower end outer surface is provided with the threaded body of outside protrusion; Be provided with first receiving space of the jacket wall that is used to accommodate the fixed magnets cover and second receiving space that is used to accommodate the sealing magnet valve in the described valve pocket; Place and be formed for the clearance distance that allows blast pipe relatively move between long spring of rubber above the permanent magnet and the valve sleeving inner wall.
According to above-mentioned major technique feature, described valve pocket is a cylindrical shell, the upper surface of this cylindrical shell is an arcwall face, the two ends of this arcwall face extend outward long convex body and short convex body respectively, the internal upper part of this cylindrical shell is provided with circular fixed head, the lower end of this fixed head is extended inner tube wall downwards along outer tube wall respectively, and this inner tube wall and outer tube wall form first receiving space, and the height of described inner tube wall is less than the height of outer tube wall; And the central position of fixed head is extended little cylinder downwards, and forming the space in this little cylinder is second receiving space that is used to accommodate the sealing magnet valve; This fixed head upper end forms an occluded ellipse shape space.
According to above-mentioned major technique feature, the upper end of described blast pipe is provided with and is used for the convenient neck groove that the long spring of rubber is installed, and the lower end of blast pipe is provided with and is used for the external screw thread body that cooperatively interacts with anti-blocking nut.
According to above-mentioned major technique feature, described sealing ring is the O RunddichtringO, and described sealing magnet valve is a cone sealing magnet valve, and described round clamp is an O type round clamp.
Useful technique effect of the present utility model:, make blast pipe and anti-blocking sealing ring closely cooperate because of described blast pipe lower end outer surface is provided with the threaded body of outside protrusion; Be provided with first receiving space of the jacket wall that is used to accommodate the fixed magnets cover in the described valve pocket, make that can be fixed in fixed magnets is enclosed within first receiving space and moves up and down, and helps improving its unfailing performance.Again because of be provided with second receiving space that is used to accommodate the sealing magnet valve in the described valve pocket and place the long spring of rubber above the permanent magnet and valve sleeving inner wall between be formed for the clearance distance that allows blast pipe relatively move, help improving permeability.
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
[description of drawings]
Fig. 1 is the schematic diagram of pressure cooker pressure limiting air bleeding valve safe in the utility model.
[specific embodiment]
Please refer to shown in Figure 1, below in conjunction with specific embodiment a kind of safe pressure cooker pressure limiting air bleeding valve is described, it comprises blast pipe 2, sealing ring 3, round clamp 4, anti-blocking nut 5, ferromagnet 6, valve pocket 7, sealing magnet valve 8, the long spring 9 of rubber, fixed magnets cover 10 and the pot cover 1 that is arranged on the pot cover 1.
Described valve pocket 7 is a cylindrical shell, the upper surface of this cylindrical shell is an arcwall face, the two ends of this arcwall face extend outward long convex body and short convex body respectively, the internal upper part of this cylindrical shell is provided with circular fixed head 71, the lower end of this fixed head 71 is extended inner tube wall downwards along outer tube wall respectively, this inner tube wall and outer tube wall form first receiving space 72, and the height of described inner tube wall is less than the height of outer tube wall; And the central position of fixed head 71 is extended roundlet tube 73 downwards, and forming the space in this roundlet tube 73 is second receiving space that is used to accommodate sealing magnet valve 8; These fixed head 71 upper ends form an occluded ellipse shape space.
The upper end of described blast pipe 2 is provided with and is used for the convenient neck groove 21 that the long spring 9 of rubber is installed, and the lower end of blast pipe 2 is provided with and is used for the external screw thread body 22 that cooperatively interacts with anti-blocking nut 5.
In the present embodiment, described sealing ring 3 is the O RunddichtringO, and described sealing magnet valve 3 is cone sealing magnet valve, and described round clamp 4 is an O type round clamp.
Be positioned at the lower end of pot cover 1, described blast pipe 2 passes pot cover 1, below the pot cover 1 of this blast pipe 2 and pot cover 1 intersection sealing ring 3 is installed, described round clamp 4 is installed on the lower surface of sealing ring 3, described anti-blocking nut 5 place round clamp 4 below, and closely cooperate with the outer wall of blast pipe 2, described sealing ring 3, round clamp 4 and anti-blocking nut 5 place respectively on the blast pipe 2.
Be positioned at the upper end of pot cover 1, above the pot cover 1 of described blast pipe 2 and pot cover 1 intersection ferromagnet 6 is installed, described blast pipe 2 passes fixed magnets cover 10, and place its inside, described permanent magnet 6 places the bottom of fixed magnets cover 10, the long spring 9 of described rubber is installed on the blast pipe 2, and the both ends of the surface of the long spring 9 of rubber place respectively permanent magnet 6 above, the upper end of the passage of described blast pipe 2 with place sealing magnet valve 8 in second receiving space to aim at closely to contact.The jacket wall of described fixed magnets cover 10 places first receiving space, 72 inside of valve pocket 7.Form clearance space between fixed head 4 in the described valve pocket 7 and the long spring 9 of described rubber.
When the air pressure of pot cover 1 inside exceeds the setting atmospheric pressure value, air-flow in the pot cover 1 is through blast pipe 2, ordering about sealing magnet valve 8 moves up, sealing magnet valve 8 drives whole valve pocket 7 and moves up, make and produce certain interval between little jacket casing 73 lower surfaces in the valve pocket 7 and blast pipe 2 upper surfaces, described air communication is crossed this gap and is come in to be released to the external world along first receiving space 72 again in the clearance space, keeps the air pressure of pot cover 1 inside to be in setting range thereby reach.
What place pot cover 1 lower end is installed on the sealing ring 3 that closely contacts with pot cover 1 inwall on the blast pipe 2, the threaded body 22 that described blast pipe 2 lower end outer surfaces are provided with outside protrusion; Be provided with first receiving space 72 of the jacket wall that is used to accommodate fixed magnets cover 10 and second receiving space that is used to accommodate sealing magnet valve 8 in the described valve pocket 7; Place and be formed for the clearance distance that allows blast pipe 2 relatively move between long spring 9 of rubber above the permanent magnet 6 and valve pocket 7 inwalls.
In sum, because of described blast pipe 2 lower end outer surfaces are provided with the threaded body 22 of outside protrusion, make blast pipe 2 and anti-blocking sealing ring 5 closely cooperate; Be provided with first receiving space 72 of the jacket wall that is used to accommodate fixed magnets cover 10 in the described valve pocket 7, make that can be fixed in fixed magnets cover 10 moves up and down, and helps improving its unfailing performance in first receiving space 72.Again because of be provided with second receiving space that is used to accommodate sealing magnet valve 8 in the described valve pocket 7 and place the long spring 9 of rubber above the permanent magnet 6 and valve pocket 7 inwalls between be formed for the clearance distance that allows blast pipe 2 relatively move, help improving permeability.
Claims (4)
1. safe pressure cooker pressure limiting air bleeding valve, it comprises the blast pipe that is arranged on the pot cover, place the pot cover lower end be installed on the sealing ring that closely contacts with the pot cover inwall on the blast pipe, place round clamp below the sealing ring, place the pot cover upper end be installed on the ferromagnet that closely contacts with the pot cover outer wall on the blast pipe, be positioned at ferromagnet top be installed on fixedly magnetosheath body on the blast pipe, be installed on fixing magnetosheath body permanent magnet, be installed on valve pocket on the fixing magnetosheath body and the sealing magnet valve that is installed on valve pocket inside; It is characterized in that: described blast pipe lower end outer surface is provided with the threaded body of outside protrusion; Be provided with first receiving space of the jacket wall that is used to accommodate the fixed magnets cover and second receiving space that is used to accommodate the sealing magnet valve in the described valve pocket; Place and be formed for the clearance distance that allows blast pipe relatively move between long spring of rubber above the permanent magnet and the valve sleeving inner wall.
2. a kind of safe pressure cooker pressure limiting air bleeding valve according to claim 1, it is characterized in that: described valve pocket is a cylindrical shell, the upper surface of this cylindrical shell is an arcwall face, the two ends of this arcwall face extend outward long convex body and short convex body respectively, the internal upper part of this cylindrical shell is provided with circular fixed head, the lower end of this fixed head is extended inner tube wall downwards along outer tube wall respectively, and this inner tube wall and outer tube wall form first receiving space, and the height of described inner tube wall is less than the height of outer tube wall; And the central position of fixed head is extended little cylinder downwards, and forming the space in this little cylinder is second receiving space that is used to accommodate the sealing magnet valve; This fixed head upper end forms an occluded ellipse shape space.
3. a kind of safe pressure cooker pressure limiting air bleeding valve according to claim 1, it is characterized in that: the upper end of described blast pipe is provided with and is used for the convenient neck groove that the long spring of rubber is installed, and the lower end of blast pipe is provided with and is used for the external screw thread body that cooperatively interacts with anti-blocking nut.
4. a kind of safe pressure cooker pressure limiting air bleeding valve according to claim 1, it is characterized in that: described sealing ring is the O RunddichtringO, and described sealing magnet valve is a cone sealing magnet valve, and described round clamp is an O type round clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202245443U CN201719052U (en) | 2010-06-11 | 2010-06-11 | Pressure cooker pressure limiting exhaust valve with high safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202245443U CN201719052U (en) | 2010-06-11 | 2010-06-11 | Pressure cooker pressure limiting exhaust valve with high safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201719052U true CN201719052U (en) | 2011-01-26 |
Family
ID=43487316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202245443U Expired - Fee Related CN201719052U (en) | 2010-06-11 | 2010-06-11 | Pressure cooker pressure limiting exhaust valve with high safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201719052U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644759A (en) * | 2012-04-28 | 2012-08-22 | 李开菊 | Valve core and pressure vessel exhaust device adopting same |
| CN107912966A (en) * | 2017-11-29 | 2018-04-17 | 杭州德意电器股份有限公司 | A kind of embedded-type electric steam box exhaust system |
| CN110522316A (en) * | 2018-05-25 | 2019-12-03 | 宁波方太厨具有限公司 | A kind of ventilative tube assembly and application have the oven of the ventilative tube assembly |
-
2010
- 2010-06-11 CN CN2010202245443U patent/CN201719052U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644759A (en) * | 2012-04-28 | 2012-08-22 | 李开菊 | Valve core and pressure vessel exhaust device adopting same |
| CN107912966A (en) * | 2017-11-29 | 2018-04-17 | 杭州德意电器股份有限公司 | A kind of embedded-type electric steam box exhaust system |
| CN110522316A (en) * | 2018-05-25 | 2019-12-03 | 宁波方太厨具有限公司 | A kind of ventilative tube assembly and application have the oven of the ventilative tube assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20120611 |