CN1281673A - Safety valve for pressure cooker with hole - Google Patents
Safety valve for pressure cooker with hole Download PDFInfo
- Publication number
- CN1281673A CN1281673A CN00121334.2A CN00121334A CN1281673A CN 1281673 A CN1281673 A CN 1281673A CN 00121334 A CN00121334 A CN 00121334A CN 1281673 A CN1281673 A CN 1281673A
- Authority
- CN
- China
- Prior art keywords
- pot cover
- valve body
- safety
- valve
- spring leaf
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 210000003141 lower extremity Anatomy 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010411 cooking Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 abstract description 4
- 230000007480 spreading Effects 0.000 description 7
- 238000003892 spreading Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 240000000233 Melia azedarach Species 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- 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
- A47J27/0804—Locking devices
- A47J27/0815—Locking devices where vessel and lid have adapted shapes to provide for the locking action
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
- Safety Valves (AREA)
Abstract
A safety device for preventing overpressure for a pressure cooker comprising a cooking pan (1) and a lid (10) provided with a handle connected to the lid by a leaf spring (21). The safety device comprises at least a safety valve (30) is mounted on the leaf spring and on the lid, characterized in that one or a plurality of safety valves are mounted in a sealed manner in a drilling in the leaf spring so as to be interposed between the leaf spring and the lid and resiliently supported against the lid and obscure the evacuation hole in the lid.
Description
The present invention relates to a kind of ordinary skill field that prevents the safety device that pressure is excessive that is used for pressure cooker with holes, have a safety valve that links to each other with pot cover at least, and if attempt to make steam under the excessive situation of pressure, to discharge.
The invention particularly relates to a kind of excessive safety device of pressure cooker pressure with holes that prevents, pressure cooker comprises pot body and has the pot cover that makes it to be fixed on the lid handle on the pot cover by spring leaf that described device comprises that at least one is installed in the safety valve on spring leaf and the pot cover.
The invention still further relates to a kind of pressure cooker that this safety device is installed.
The known pressure pot can be installed the safety device that prevents that pressure is excessive usually, and according to general rule, pressure cooker has some energy safety member that successively plays mitigation when its other safety device lost efficacy in office what.
Therefore, knownly install to utilize the safety device that is contained in the sealing ring local deformation between pot cover and the pot body to pressure cooker, utilize independently with ining addition link to each other with pot cover be suitable for lifting the safety valve that makes steam release.
In the safety device that prevents the safety valve that pressure is excessive, known devices comprise one locational by being bolted to it, and be passed in the safety valve of the release aperture that forms on the pot cover.The valve member that this device need be fixed at pot cover with by screw thread on the pot cover is provided with screw thread on the two, and they also need to install many parts that are used for fixing with sealed valve body.Because they need make screw thread, there be the problem relevant with production cost in therefore this system, and owing to need much make many operations of the raising that totle drilling cost can not ignore, and also exists and assembles relevant problem.And, with the fixing safety valve that is threaded the danger of being pulled down by the user is arranged, and in the ordinary course of things, like this can be unfavorable to the security of common cooking apparatus.
Utilize the spreading technology fixedly safety valve also be known, with compare with the technology of safety valve that is threaded fixedly, removed with regard to the difficulty by the user with regard to the safety valve of spreading, spreading has certain advantage, therefore, can strengthen the security of cooking apparatus at least in some aspects.Yet the spreading technology also needs to adopt many parts that are used for fixing with sealed valve body, therefore, have the influence not good to the totle drilling cost price of this valve equally, and the spreading Technology Need uses special spreading equipment, and is influential to total cost of production naturally.
Therefore, the purpose of this invention is to provide the safety device that pressure is excessive that prevents that a kind of pressure cooker of novel lid with holes uses, it can overcome above-mentioned various shortcoming simultaneously, and has simple design, and assembling is easy, and reduces cost.
Another object of the present invention provides a kind of novel safety device that pressure is excessive that prevents, promptly can provide good sealing effectiveness simultaneously in reliable and safe especially work.
A further object of the present invention provides a kind of novel safety device that pressure is excessive that prevents, its intensity is high especially, and has long service life.
Another purpose of the present invention provides a kind of novel safety device that pressure is excessive that prevents, it makes the danger that reduces maloperation especially reduce the danger that safety device is stopped up becomes possibility.
A further object of the present invention provides a kind of novel safety device that pressure is excessive that prevents, it can not be removed.
The object of the present invention is achieved like this: by a kind of safety device that pressure is excessive that prevents that is used for pressure cooker with holes, comprise pot body and have the pot cover that makes it to be fixed on the lid handle on the pot cover by spring leaf, described device comprises a safety valve that is installed on spring leaf and the pot cover at least, safety device is characterised in that one or more safety valves are to be connected in the corresponding hole that forms on the spring leaf, so that be placed between spring leaf and the pot cover, mode with sealing flexibly leans against on the pot cover, and closes the air vent that penetrates that forms on the pot cover.
After the description of having read below in conjunction with accompanying drawing, unrestriced embodiment, purpose of the present invention will be able to further detailed explanation, wherein:
Fig. 1 is the vertical partial sectional view that is contained in the pressure-relief device overall picture of the present invention on the pressure cooker;
Fig. 2 is vertical partial sectional view of the concrete structure of safety valve enforcement of the present invention;
Fig. 3 is the perspective view of a part valve gap of safety valve of the present invention;
Fig. 4 is the perspective view of the upper valve body of safety valve of the present invention;
Fig. 5 is the perspective view of the following valve body of safety valve of the present invention;
Fig. 1 represents pressure cooker with holes, when this pressure cooker is pressure cooker with holes, comprise that usefulness is metal, the pot body 1 of band bottom (not shown in FIG.), the pot body is upwards holded up vertical substantially sidewall 3 from the bottom, recessed edge 4 that sidewall 3 is extended above pot body 1 whole periphery, that shape of formation is oval opening basically covers.
In traditional pattern, pot body 1 has a radially-protruding panhandle 6, and panhandle 6 is fixed on it in any suitable manner, for example, passes the bolt of sidewall 3.
Cooking apparatus of the present invention also has the shape pot cover 10 of the oval core 10A with a protrusion equally basically, pot cover 10 is designed to insert in the opening of pressure cooker 1, so that make the pressure cooker cover air tight closure by the sealing ring in the circumferential groove that is installed in described pot cover 10, described groove by on turn over rolling limit 13 and form.
That pot cover 10 also has is that a circumference from pot cover 10 radially extends, lid handle 20 made of plastic preferably.Lid handle 20 has shape or shape and size complementary dimensioned, that be complementary with panhandle 6, covers handle joint and locking so that make there.Lid handle 20 is installed on the pot cover 10, makes it fixing by spring leaf 21, and spring leaf is preferably made with metal, and an end remains on the body that covers handle 20.The other end of spring leaf 21 is firm, for example by screw, at core 10A place.Pressure cooker of the present invention has the device of locking and open pot cover 10 on pot body 1, and described device comprises the projection and the bearing that firmly are installed on described handle 6 and 20.
The present invention prevents that the too high safety device of air pressure from comprising a safety valve 30 that links to each other with pot cover 10 and a member that is installed on the described pot cover 10 at least.
In preferred embodiment illustrated in figures 1 and 2, the member that is installed on the pot cover 10 is formed by spring leaf 21.In this embodiment, safety valve 30 is located in the hole 22 that forms on the spring leaf 21, so that be placed on described fixed component, it is spring leaf 21, and flexibly lean against on the pot cover 10 to seal close mode between the pot cover 10, and seal the air vent 23 that runs through pot cover 10 formation, align with hole 22 basically in this hole.
Therefore, owing to only be to put into or insert hole 22, this layout will make safety valve 30 its position of packing into very simple, and when spring leaf 21 was placed into its position and be fixed on the pot cover 10, safety valve 30 then was pressed towards the upper surface 10B of pot cover.
Preferably just as shown in Fig. 2, the upper surface 10B on air vent 23 next doors has the nearly portion 25 of self contracting that a bottom element that makes safety valve is admitted.
In meaning of the present invention, assembling with " combination " means that the part of the safety valve 30 that is fixed in the spring leaf is subjected to the restriction of clamping radially in hole 22, simultaneously described part also is placed into the axial bearing that leans against on the described spring leaf, the part of Lian Jieing is fixed with respect to spring leaf by this way, its installation simultaneously be subjected to forcing in conjunction with, spreading or, particularly bite the restriction that tightens up.
In the present invention, safety valve 30 preferably comprises two valve bodies at least, a following valve body 26 and a upper valve body 27, this two valve body is installed so that between two close positions, relative to one another, flexibly move, be respectively that a sealing is in abutting connection with the position that relies on pot cover 10, a position that is used to discharge excessive pressure.
Therefore, following valve body 26 comprise one be cylindrical basically, have from the top main body 40 of 42 longitudinal flutings 41 that extend and diameter than main body 40 little, from step 45 extended actuation head 43 down.Described step has the groove of an annular, and annular ring 46 is inserted in the groove so that against the upper surface 10B of air vent 23 peripheries, so that provide sealing between the inside of safety valve 30 and cooking apparatus.
That the top of main body 40 is provided with is 40 radially-protruding from main body, be presented on stinging outside the circumference of described main body 40 with the annular space of rule fastens ear 47.Preferably, following valve body 26 is made of plastic.
An edge 55 that is fit to against the hole 22 circumference bottom is formed at the bottom of upper valve body 27.Thereby upper valve body 27 form connect by active force, radially be clamped in part in the hole 22, it forms an axial bearing that relies on hole 22 lower surfaces simultaneously.This installation form makes to be guaranteed to compress spring 58 and is set to accurately that taring power becomes possibility.
Safety valve of the present invention also has a compression spring 58 that is placed between two valve bodies 26 and 27, flexibly separates so that keep each other.When safety valve during, enter against the adjacency state of lower limb 51A with fixing ear 47 not in the relevant position.Preferably, when safety valve was in the operating position, compression spring 58 1 ends were against sidewall 50, and therefore the other end flexibly presses to pot cover 10 with annular ring 46 in the mode of sealing against the inner bottom surface of main body 40.
Preferably, safety valve of the present invention has the valve gap 60 that the top of shape and size and upper valve body 27 is complementary, and is fixed on the upper valve body 27 in non-removable mode so that be fit to.For this reason, valve gap 60 is arranged on inside and has the one group of shape that diametral rib 61 engages that is fit to on one way system and the circumference that is located at upper valve body 27.Like this, valve gap 60 is locked on upper valve body 27, thereby assurance safety valve 30 can not pulled down from pot cover 10 and spring leaf 21.Preferably, valve gap 6 is fixed on the valve body 27 to sting tight mode.
Afterwards, in the time will covering handle 20 and be fixed on the pot cover that spring leaf 21 is fixing, for example, by being tightened on the described pot cover 10 with the parts of pre-installing there.When being fixed to spring leaf 21 on the pot cover 10, actuation head 43 and the following valve body 26 that bears against pot cover 10 with sealing means are joined in the air vent 23, spring 58 is compressed fully then, before this valve gap 60 is placed on its position.
At pot cover 10 by locking after on the pot body 1, suppose when the security system that resembles main washer or some other operating valve or this class of control valve can not play their safety effect, the operating pressure of pressure cooker with holes inside rises, after reaching certain excessive pressure, for example in the scope of 1.1-1.6 atmospheric pressure (bars), when corresponding with the average specified elastic force of spring 58 approx, internal pressure acts on lower valve base 26 is moved up.When it moved up, the sealing on the pot body 1 was destroyed, thereby makes excessive pressure be discharged to the outside of pressure cooker by air vent 23.
Owing to only need a simple artificial bonding operation, so the present invention makes being fixed of safety valve in a simple manner.And, do not need special industrial equipment, and all assembling process can be by manually-operated.In case valve gap 60 is on its appropriate location, does not destroy and be used for its part of in position going up of locking just can not be removed safety valve.At last, the upper valve body that utilizes metal material to make has guaranteed the long and intensity height of these component lifes that need bear mechanical force especially, and the following valve body and/or the upper valve body that utilize plastics to make simultaneously make the reduction of equipment totle drilling cost become possibility.
Claims (8)
1, a kind of safety device that pressure is excessive that prevents that is used for pressure cooker with holes, comprise a pot body (1) and have the pot cover (10) that is fixed to the lid handle (20) on the pot cover (10) by spring leaf (21), described device comprises a safety valve (30) that is installed on spring leaf and the pot cover at least, safety device is characterised in that one or more safety valves are to fix by the combination in the hole that forms separately on spring leaf 21, so that be placed between spring leaf (21) and the pot cover, thereby the mode with sealing flexibly leans against on the pot cover, and closes the air vent that penetrates pot cover formation.
2, a kind of device as claimed in claim 1, it is characterized in that: safety valve (30) comprise at least two assemblings in case between two adjacent positions the valve body of Elastic Sliding (26,27) toward each other, be respectively a position with sealing means against pot cover (10), another position is used to discharge excessive pressure.
3, a kind of device as claimed in claim 2 is characterized in that: safety valve (30) comprises that a mode with sealing leans against the following valve body (26) on the pot cover (10); One is connected down the peripheral upper valve body (27) of valve body (26), and two valve bodies are toward each other movably by slip, and comprises the relative bearing device that is used for determining its relative displacement stroke; One be inserted between two valve bodies (26,27), keep valve body down flexibly to lean against compression spring (58) on the pot cover (10) with sealing means.
4, a kind of device as claimed in claim 3 is characterized in that: upper valve body (27) is combined in the hole (22) of spring leaf (21), and comprises a lower limb (55) that forms on bearing and hole that be fit to lean against spring leaf (21) (22) circumference.
5, as claim 3 or 4 described a kind of devices, it is characterized in that: following valve body (26) has an actuation head (43) that extends beyond and pass pot cover (10) air vent (23).
6, as the described a kind of device of claim 3-5, it is characterized in that: safety valve (30) comprises that one is installed in valve gap (60) on the upper valve body (27) in the mode that can not remove, for example, and by the fixed form of interlock.
7, as claim 5 or 6 described a kind of devices, it is characterized in that: following valve body (26) is made of plastic, and upper valve body (27) is made with metal or plastics.
8, a kind of pressure cooker of installing as any one of claim 1-7 with holes of safety device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FRFR9909760 | 1999-07-23 | ||
| FR9909760A FR2796543B1 (en) | 1999-07-23 | 1999-07-23 | SAFETY VALVE FOR A MANHOLE PRESSURE COOKER |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1281673A true CN1281673A (en) | 2001-01-31 |
| CN1139352C CN1139352C (en) | 2004-02-25 |
Family
ID=9548596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001213342A Expired - Fee Related CN1139352C (en) | 1999-07-23 | 2000-07-20 | Safety valve for pressure cooker with hole |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN1139352C (en) |
| AR (1) | AR024793A1 (en) |
| BR (1) | BR0003079B1 (en) |
| FR (1) | FR2796543B1 (en) |
| IT (1) | IT1315477B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856086A (en) * | 2009-03-14 | 2010-10-13 | 符腾堡金属制品（Wmf）股份公司 | Vapour cooking method and pressure cooking device, more preferably pressure cooker |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2836806B1 (en) * | 2002-03-08 | 2004-09-10 | Seb Sa | PRESSURE FOOD COOKING APPARATUS HAVING A LID MODULE |
| EP3865029A1 (en) | 2017-08-09 | 2021-08-18 | SharkNinja Operating LLC | Cooking device and components thereof |
| USD914436S1 (en) | 2018-06-19 | 2021-03-30 | Sharkninja Operating Llc | Air diffuser with food preparation pot |
| USD934027S1 (en) | 2018-08-09 | 2021-10-26 | Sharkninja Operating Llc | Reversible cooking rack |
| USD883014S1 (en) | 2018-08-09 | 2020-05-05 | Sharkninja Operating Llc | Food preparation device |
| USD903413S1 (en) | 2018-08-09 | 2020-12-01 | Sharkninja Operating Llc | Cooking basket |
| USD883015S1 (en) | 2018-08-09 | 2020-05-05 | Sharkninja Operating Llc | Food preparation device and parts thereof |
| CN109674362B (en) * | 2018-09-27 | 2020-11-06 | 浙江绍兴苏泊尔生活电器有限公司 | Mixer |
| US11751710B2 (en) | 2019-02-25 | 2023-09-12 | Sharkninja Operating Llc | Guard for cooking system |
| US20190254476A1 (en) | 2019-02-25 | 2019-08-22 | Sharkninja Operating Llc | Cooking device and components thereof |
| USD982375S1 (en) | 2019-06-06 | 2023-04-04 | Sharkninja Operating Llc | Food preparation device |
| USD918654S1 (en) | 2019-06-06 | 2021-05-11 | Sharkninja Operating Llc | Grill plate |
| US11134808B2 (en) | 2020-03-30 | 2021-10-05 | Sharkninja Operating Llc | Cooking device and components thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE548238A (en) * | ||||
| CH461737A (en) * | 1966-07-08 | 1968-08-31 | Juan Roson Benjamin | Pressure cooker with a cooking vessel |
| US4490597A (en) * | 1979-09-19 | 1984-12-25 | Mengel Clare L | Microwave permeable pressure compensating container |
-
1999
- 1999-07-23 FR FR9909760A patent/FR2796543B1/en not_active Expired - Fee Related
-
2000
- 2000-07-19 AR ARP000103707A patent/AR024793A1/en unknown
- 2000-07-20 CN CNB001213342A patent/CN1139352C/en not_active Expired - Fee Related
- 2000-07-21 BR BRPI0003079-1A patent/BR0003079B1/en not_active IP Right Cessation
- 2000-07-21 IT IT2000VI000156A patent/IT1315477B1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856086A (en) * | 2009-03-14 | 2010-10-13 | 符腾堡金属制品（Wmf）股份公司 | Vapour cooking method and pressure cooking device, more preferably pressure cooker |
Also Published As
| Publication number | Publication date |
|---|---|
| BR0003079B1 (en) | 2009-01-13 |
| FR2796543B1 (en) | 2001-08-31 |
| ITVI20000156A0 (en) | 2000-07-21 |
| BR0003079A (en) | 2001-03-13 |
| CN1139352C (en) | 2004-02-25 |
| ITVI20000156A1 (en) | 2002-01-21 |
| IT1315477B1 (en) | 2003-02-18 |
| FR2796543A1 (en) | 2001-01-26 |
| AR024793A1 (en) | 2002-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20040225 |