CN100398044C - Steam releasing device for cooking apparatus - Google Patents
Steam releasing device for cooking apparatus Download PDFInfo
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- CN100398044C CN100398044C CNB02116472XA CN02116472A CN100398044C CN 100398044 C CN100398044 C CN 100398044C CN B02116472X A CNB02116472X A CN B02116472XA CN 02116472 A CN02116472 A CN 02116472A CN 100398044 C CN100398044 C CN 100398044C
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Abstract
The present invention relates to a steam releasing device for cooking apparatus. The present invention is composed of a valve main body, a first valve, a second valve and a safety valve, wherein the first valve, the second valve and the safety valve are arranged on the valve main body; the first valve and the safety valve are closed through valve covers to form an inner space of a first valve main body and an inner space of a safety valve main body; a pressure spring in the first valve can be deformed to control the release of steam along with the change of pressure in a cooking space; the second valve can selectively maintain or cut off the communication of the interior with the external of the cooking space, and thereby, the cooking apparatus can carry out pressure cooking or non-pressure cooking; the safety valve can quickly release the steam in the cooking space when the pressure exceeds the control pressure of the first valve because of failures.
Description
Technical field
The present invention relates to a kind of steam releasing device for cooking apparatus, particularly relate to a kind of steam discharging device that machine cooking space keeps the pressure of hope of cooking.
Background technology
Fig. 1 is the cooking machine steam discharging device of prior art.As shown in this figure, the steam discharging device of prior art is a kind of electromagnetic valve, it be arranged on can make space that cooking machine inside cooks selectively with the lid of external isolation on.
That is, valve body 5 connects cover section inner panel 1 and installs, and in the lower end of above-mentioned valve body 5 attachment cap 3 is housed.Have several intercommunicating pores 4 on above-mentioned attachment cap 3, the steam in cooking space is just discharged thus.Attachment cap 3 closely connects the one side of above-mentioned inner panel 1 on above-mentioned valve body 3.
On above-mentioned valve body 5, be provided with the passing away 6 that is connected with the inside of above-mentioned attachment cap 3,, on the end portion of corresponding above-mentioned passing away 6, be formed with pedestal part 6s in above-mentioned valve body 5 inside.
Be provided with helical pipe box 7 on the corresponding above-mentioned valve body 5 above the above-mentioned cover section inner panel 1, in the inside of above-mentioned helical pipe box 7 solenoid coil 8 is housed.The inner slideway cylindraceous 9 that is connected with the passing away 6 of above-mentioned valve body 5 is equipped with in the central authorities that connect above-mentioned solenoid coil 8, and in the inside of above-mentioned slideway 9 piston 10 is housed.End at above-mentioned piston 10 has coin shape material 11.Above-mentioned piston 10 contacts above-mentioned coin shape material 11 by lifting action selectively with above-mentioned pedestal part 6s, thereby above-mentioned passing away 6 is opened and closed selectively.
For making above-mentioned passing away 6 closed by the effect of its inner spring 12, above-mentioned piston 10 can be subjected to the effect of elastic force.The top system that one end of above-mentioned spring 12 is arranged on the brake component 13 of above-mentioned slideway 9 inside promotes above-mentioned piston 10 to the direction of closing above-mentioned passing away 6.
Being provided with the communication passage 14 that is connected with the inside of above-mentioned slideway 9 in the inside of above-mentioned brake component 13 forms.Above-mentioned communication passage 14 is connected with the outside of cooking machine.
The action that below just constitutes the steam discharging device of aforesaid employing prior art is illustrated.
Above-mentioned at ordinary times piston 10 be subjected to above-mentioned spring 12 elastic force effect by under push away, above-mentioned coin shape material 11 then is pressed on the above-mentioned pedestal part 6s.Therefore above-mentioned passing away 6 closes it by above-mentioned coin shape material 11.In this state, the inside of above-mentioned cooking machine is not communicated with the outside, and therefore if is cooking cooking machine inside, then its pressure inside will rise, thereby realizes the pressure cooking.
If connect power supply on above-mentioned solenoid coil 8, then above-mentioned piston 10 will overcome the elastic force of above-mentioned spring 12 and move up.At this moment, thus above-mentioned piston 10 touches above-mentioned brake component 13 inner rising of slideway 9.Thereby the coin shape material 11 that forms at the end of above-mentioned piston 10 breaks away from from above-mentioned pedestal part 6s and makes above-mentioned passing away 6 open thereupon.
If as mentioned above, then cook the steam of machine inside and discharge by above-mentioned intercommunicating pore 4 by above-mentioned passing away 6, in above-mentioned passing away 6, inside and the communication passage 14 of above-mentioned brake component 13 outside that be discharged to cooking machine of steam by above-mentioned slideway 9.
But there is following problem in aforesaid prior art.
At first, in the prior art, above-mentioned at ordinary times piston 10 is kept by the state of top system by the effect of above-mentioned spring 12.Coin shape material 11 on the meanwhile above-mentioned piston 10 is buckled on the above-mentioned pedestal part 6s tightly and makes passing away 6 keep closed condition always.If like this, do not connect under the state of power supply at above-mentioned solenoid coil 8, in cooking space, can only carry out the pressure cooking.In other words there is the problem that to carry out the pressure cooking and can not generally cook.
In addition in the prior art, owing in cooking space, above-mentioned piston 10 and spring 12 are housed, and above-mentioned piston 10 and spring 12 just are exposed in the water or soup that produces in the gastronomical process.Therefore the problem that exists above-mentioned piston 10 and spring 12 to be limited by above-mentioned soup etc. and can not regular event.
And, prior art also exists owing to there is not to reduce the safety-valve of pressure in cooking interior volume, therefore there be the problem of cooking machine because of exploded by excessive pressure, in order to address this problem, installed in addition on the steam discharging device be used for when pressure is excessive can pressure relief safety device.Problems such as so, it is complicated that the structure of steam discharging device will become, and also production cost increases with regard to existing, the assembling convenience reduces, breaks down easily.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing cooking machine exists with steam discharging device, the invention provides a kind of steam releasing device for cooking apparatus, make it not only can carry out the pressure cooking but also can carry out the non-pressure cooking, discharge of steam passage and passage switching mechanism are isolated, to guarantee the regular event of passage switching mechanism.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of steam releasing device for cooking apparatus, by valve body be installed in the safety-valve portion that can discharge the steam in the cooking space when first valve portion, second valve portion and the pressure in cooking space that steam that optionally will cook in the valve body produce in the space discharges surpass the pressure of first valve portion control rapidly and constitute the valve body formation one of described first valve portion, second valve portion and safety-valve portion; It is characterized in that, described first valve portion and safety-valve portion by the dividing plate that optionally opens and closes its passing away, can constitute according to the piston of the pressure-driven dividing plate of the cooking in the space with to closing the compression spring that its passing away direction promotes piston, the elastic force of the compression spring of safety-valve portion is more than or equal to the elastic force of the compression spring of first valve portion; Described second valve portion optionally makes cooking space keep or cut off being communicated with outside.
In above-mentioned steam discharging device, when second valve portion made inside and the external communications in cooking space, cooking machine can be used for non-pressure and cooks; When the second time, door portion was communicated with cooking space and outside cut-out, first valve portion can be controlled the pressure in the cooking space and carry out the pressure cooking, and when cooking space internal pressure hindered the pressure that surpasses the control of first valve portion for some reason, safety-valve portion can discharge the steam in cooking space selectively.And steam passing away and passage switching mechanism isolate mutually, can effectively avoid switching mechanism influenced by the gratin scum juice and break down.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the steam releasing device for cooking apparatus of prior art.
Fig. 2 is the structural plan figure of steam releasing device for cooking apparatus of the present invention.
Fig. 3 is an A-A ' cutaway view among Fig. 2.
Fig. 4 is a B-B ' cutaway view among Fig. 2.
Fig. 5 is first valve portion and safety-valve portion open state schematic diagram among the present invention.
Fig. 6 is the second valve portion closed condition schematic diagram among the present invention.
The specific embodiment
Fig. 2 is the structural plan figure of steam releasing device for cooking apparatus of the present invention, and Fig. 3 is an A-A ' cutaway view among Fig. 2, and Fig. 4 is a B-B ' cutaway view among Fig. 2.
As shown in the figure, valve body 20 forms by institute's sizing.Form several connecting holes 22 on the above-mentioned valve body 20, be connected on the inner panel 60 of cover section.In a side of above-mentioned valve body 20, above the valve cover 25 usefulness connecting screws 26 that are used to be provided with first valve portion 30 and safety-valve portion are connected.
On above-mentioned valve body 20 and valve cover 25, respectively have the projection of connection 23,27 ' be connected groove 23 ', 27, with the installation site of accurate setting valve cover 25.
Side at above-mentioned valve body 20 is provided with the discharge pipe 28 that the discharge of steam of discharging by first and second valve portion 30,40 can be arrived cooking machine outside, forms communication passage 29 in the inside of discharge pipe 28.
The formation of first valve portion 30 is described now.Above-mentioned first valve portion 30 can open and close selectively according to the pressure of cooking interior volume, thereby makes cooking machine pressure inside keep setting value.First 30b of valve body portion and the above-mentioned valve body 20 that constitute above-mentioned first valve portion 30 become one, be provided with passing away 31 on above-mentioned first 30b of valve body portion, it will be cooked the space and be communicated with at the inner connected space 33 that forms of first 30b of valve body portion.On the end portion of above-mentioned passing away 31, form pedestal part 32.Above-mentioned connected space 33 is communicated with above-mentioned discharge pipe 28 by bypass passageways 34.
On above-mentioned pedestal part 32 by dividing plate 35 capping and passing away 31 is opened and closed selectively.The inside of above-mentioned first 30b of valve body portion is by above-mentioned valve cover 25 sealings, and along with above-mentioned valve cover 25 is installed on the valve body 20, the periphery of aforementioned barriers 35 is also gone up and fixed with regard to being installed to above-mentioned first 30b of valve body portion.
Piston 36 connects above-mentioned valve cover 25 and supported.Above-mentioned piston 36 is subjected to an end to push up the effect of the compression spring 37 on above-mentioned valve cover 25 of pulling and is pushed to pedestal part 32 directions.Therefore, by means of an end of above-mentioned piston 36, aforementioned barriers 35 just tightly buckle closure on above-mentioned pedestal part 32.Here, the elastic force of above-mentioned compression spring 37 can be decided according to the size of the pressure that forms in the cooking space.
Below with reference to Fig. 4 the formation of second valve portion 40 is illustrated.The pressure independent in the action of above-mentioned second valve portion 40 and cooking space is to be driven by the signal of other input, and it is used for for example removing rapidly cooking back cooking machine pressure inside etc.Second 40b of valve body portion that constitutes above-mentioned second valve portion 40 becomes one with above-mentioned valve body 20.On above-mentioned second 40b of valve body portion, be provided with passing away 41.Above-mentioned passing away 41 communicates with cooking space.End portion at above-mentioned passing away 41 forms pedestal part 42.Inside at above-mentioned second 40b of valve body portion forms the connected space 43 that communicates with above-mentioned passing away 41, and above-mentioned connected space 43 and above-mentioned discharge pipe 28 are connected by bypass passageways 44.
Above-mentioned solenoid 47 is connected on the above-mentioned valve body 20 by connecting screw 48.Along with above-mentioned solenoid 47 is installed on the above-mentioned valve body 20, above-mentioned second 40b of valve body portion is last to be fixed thereby the periphery of aforementioned barriers 35 also just is installed to by pressure ring.
Formation to safety-valve portion 50 is illustrated below.Safety-valve portion 50 has the effect of the steam discharge that will cook in the space when first and second valve portion 30,40 break down.Safety-valve body 50b that forms above-mentioned safety-valve portion 50 and above-mentioned valve body portion 20 become one.Above-mentioned safety-valve body 50b is provided with auxiliary passing away 52.Also form connected space 53 at above-mentioned safety-valve body 50b.Above-mentioned connected space 53 communicates with steam extra exit 54.Above-mentioned steam extra exit 54 has the effect to cooking machine outside of the discharge of steam that will discharge from above-mentioned connected space 53.
Above-mentioned passing away 52 is opened and closed by seal 55.Above-mentioned seal 55 tightly is installed in above-mentioned valve body 20 the insides one side, and above-mentioned passing away 52 is opened and closed.Here, above-mentioned seal 55 is driven by the piston on the above-mentioned valve cover 25 that is installed in the above-mentioned safety-valve body 50b of sealing inside movably 56.Above-mentioned piston 56 be stressed in inside by the above-mentioned safety-valve body 50b of above-mentioned valve cover 25 sealings spring 57 effect and be pushed to the direction of the above-mentioned auxiliary passing away 52 of sealing.Therefore above-mentioned seal 55 is blocked above-mentioned auxiliary passing away 52 by above-mentioned piston 56.The elastic force of the above-mentioned compression spring 57 preferably elastic force with the compression spring 37 of above-mentioned first valve portion 30 is identical or bigger than it.
In aforesaid steam discharging device, above-mentioned valve body 20 is installed on the lid in sealing cooking space.That is to say, above-mentioned valve body 20 is connected connecting screw 60 on the inner panel 60 and is fixed on the inner panel 60 that constitutes above-mentioned lid by connecting above-mentioned connecting hole 22, and each intercommunicating pore 61,62,63 that is connected with above-mentioned each passing away 31,41,52 is arranged on above-mentioned inner panel 60.Numbering 65 is to be used to prevent that producing the coin shape of revealing in the gap of valve body 20 and inner panel 60 assists material among the figure.
In addition, the mechanism that the passage that aforementioned barriers 35,45 can be discharged steam and being used to opens and closes passage keeps apart, and therefore also has the effect that prevents that foreign matter from entering.
Below the effect that constitutes aforesaid steam discharging device of the present invention is illustrated.
At first, do not connect under the state of power supply, make cooking machine be in the inner and outside state that is connected by above-mentioned second valve portion 40 at above-mentioned solenoid 47.Fig. 4 has clearly illustrated this state, and the inner steam that produces of the machine of at this moment cooking is discharged into cooking machine outside by above-mentioned intercommunicating pore 62, passing away 41, connected space 43, bypass passageways 44 and communication passage 29 successively.Owing to do not produce pressure in cooking space, what therefore carry out is the non-pressure cooking in this state.
At this moment above-mentioned first valve portion 30 and safety-valve portion 50 all are in each by dividing plate 35 and seal 55 state with passing away 31,52 semi-closures.
Next, if above-mentioned solenoid 47 has been connected power supply, then above-mentioned piston 46 just from solenoid 47 projection come out, aforementioned barriers 45 also with regard to link closely above-mentioned pedestal part 42 and the sealing passing away 41.
And above-mentioned first valve portion 30 and safety-valve portion 50 are subjected to the effect of the elastic force of above-mentioned compression spring 37,57 separately, are in by dividing plate 35 and seal 55 state with passing away 31,52 semi-closures.
In this state, if cook in cooking machine inside, then its pressure inside will increase, and has also just formed pressure in cooking interior volume.Fig. 3 clearly illustrated at this moment above-mentioned first valve portion 30 and the state of safety-valve portion 50.
If the pressure of cooking interior volume is acquired a certain degree, the effect that above-mentioned piston 36 will be stressed overcomes the elastic force of above-mentioned compression spring 37 and moves up.Thereupon, aforementioned barriers 35 is separated with above-mentioned pedestal part 32, and steam is discharged in cooking space.At this moment the steam of cooking in the space discharges by above-mentioned intercommunicating pore 61, passing away 31, connected space 33, bypass passageways 34 and communication passage 29 successively.By the discharging of this steam, maintenance realizes the pressure cooking with above-mentioned compression spring 37 corresponding pressure in above-mentioned cooking space.
On the other hand, when above-mentioned first valve portion 30 and second valve portion 40 break down and when steam in the cooking machine can not be discharged, steam will be discharged by above-mentioned safety-valve portion 50.In this case, can be more than the degree by 30 discharges of above-mentioned first valve portion if above-mentioned cooking machine pressure inside has surpassed steam, then above-mentioned piston 56 will overcome compression spring 57 elastic force effect and move, thereby make above-mentioned auxiliary passing away 52 open.
Like this cooking the steam in space will arrange to the outside from above-mentioned intercommunicating pore 63, auxiliary passing away 52, connected space 53 and steam extra exit 54.
Claims (5)
1. steam releasing device for cooking apparatus, by valve body be installed in the safety-valve portion that can discharge the steam in the cooking space when first valve portion, second valve portion and the pressure in cooking space that steam that optionally will cook in the valve body produce in the space discharges surpass the pressure of first valve portion control rapidly and constitute the valve body formation one of described first valve portion, second valve portion and safety-valve portion; It is characterized in that, described first valve portion and safety-valve portion by the dividing plate that optionally opens and closes its passing away, can constitute according to the piston of the pressure-driven dividing plate of the cooking in the space with to closing the compression spring that its passing away direction promotes piston, the elastic force of the compression spring of safety-valve portion is more than or equal to the elastic force of the compression spring of first valve portion; Described second valve portion optionally makes cooking space keep or cut off being communicated with outside.
2. steam releasing device for cooking apparatus according to claim 1 is characterized in that described first valve portion body and safety-valve portion body form the space that piston and dividing plate are installed by valve cover.
3. steam releasing device for cooking apparatus according to claim 2 is characterized in that being formed with respectively on described valve cover and the valve body and interconnectedly is connected projection and is connected groove.
4. steam releasing device for cooking apparatus according to claim 1, it is characterized in that described second valve portion by being integral with valve body and having with the second valve body portion of the passing away that is communicated with of cooking space, be installed in second valve body and optionally open and close the dividing plate of passing away and drive the piston of dividing plate, but and the solenoid of driven plunger formation.
5. steam releasing device for cooking apparatus according to claim 4 is characterized in that the periphery of described dividing plate is fixed on second valve body with solenoid by pressure ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02116472XA CN100398044C (en) | 2002-04-09 | 2002-04-09 | Steam releasing device for cooking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02116472XA CN100398044C (en) | 2002-04-09 | 2002-04-09 | Steam releasing device for cooking apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1449715A CN1449715A (en) | 2003-10-22 |
| CN100398044C true CN100398044C (en) | 2008-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02116472XA Expired - Fee Related CN100398044C (en) | 2002-04-09 | 2002-04-09 | Steam releasing device for cooking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100398044C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618173B (en) * | 2017-01-19 | 2018-09-21 | 宁波华宝食为天电器科技有限公司 | Safety valve for high-pressure cooker |
| CN112369905B (en) * | 2020-11-30 | 2021-10-22 | 永康市美丽生活电器有限公司 | Multifunctional pot |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2217975A (en) * | 1988-05-05 | 1989-11-08 | Chen Kun Ming | Steam cooker |
| CN2088397U (en) * | 1991-04-29 | 1991-11-13 | 沈阳双喜压力锅制造总公司 | Safety device of pressure cooker |
| EP0587532A1 (en) * | 1992-09-01 | 1994-03-16 | Heinrich Kuhn Metallwarenfabrik Aktiengesellschaft | Safety release valve for pressure cooker |
| CN2375221Y (en) * | 1999-02-14 | 2000-04-26 | 福建融林塑胶五金实业有限公司 | Partial structure of safety valve for pressure cooker |
| KR20010098043A (en) * | 2000-04-27 | 2001-11-08 | 이종완 | Cooker with deodorizing liquification means |
-
2002
- 2002-04-09 CN CNB02116472XA patent/CN100398044C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2217975A (en) * | 1988-05-05 | 1989-11-08 | Chen Kun Ming | Steam cooker |
| CN2088397U (en) * | 1991-04-29 | 1991-11-13 | 沈阳双喜压力锅制造总公司 | Safety device of pressure cooker |
| EP0587532A1 (en) * | 1992-09-01 | 1994-03-16 | Heinrich Kuhn Metallwarenfabrik Aktiengesellschaft | Safety release valve for pressure cooker |
| CN2375221Y (en) * | 1999-02-14 | 2000-04-26 | 福建融林塑胶五金实业有限公司 | Partial structure of safety valve for pressure cooker |
| KR20010098043A (en) * | 2000-04-27 | 2001-11-08 | 이종완 | Cooker with deodorizing liquification means |
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| Publication number | Publication date |
|---|---|
| CN1449715A (en) | 2003-10-22 |
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Granted publication date: 20080702 |