CN102204784A - Air intake/evacuation valve for electric cooking appliance - Google Patents
Air intake/evacuation valve for electric cooking applianceDownload PDFInfo
- Publication number
- CN102204784A CN102204784ACN2011101432973ACN201110143297ACN102204784ACN 102204784 ACN102204784 ACN 102204784ACN 2011101432973 ACN2011101432973 ACN 2011101432973ACN 201110143297 ACN201110143297 ACN 201110143297ACN 102204784 ACN102204784 ACN 102204784A
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- Prior art keywords
- bimetal leaf
- air inlet
- port
- pot cover
- electric cooking
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- 238000007789sealingMethods0.000claimsdescription9
- 239000011241protective layerSubstances0.000claimsdescription3
- 230000002093peripheral effectEffects0.000claimsdescription2
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- 238000001816coolingMethods0.000description3
- 238000010586diagramMethods0.000description3
- 238000005516engineering processMethods0.000description3
- 235000013305foodNutrition0.000description3
- 238000002955isolationMethods0.000description3
- 230000004044responseEffects0.000description3
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- 235000007164Oryza sativaNutrition0.000description2
- 238000009835boilingMethods0.000description2
- 239000002131composite materialSubstances0.000description2
- 235000019628coolnessNutrition0.000description2
- 238000006073displacement reactionMethods0.000description2
- 229920001971elastomerPolymers0.000description2
- 239000004922lacquerSubstances0.000description2
- 239000010410layerSubstances0.000description2
- 238000000465mouldingMethods0.000description2
- 235000009566riceNutrition0.000description2
- 238000005452bendingMethods0.000description1
- 230000008859changeEffects0.000description1
- 239000004927claySubstances0.000description1
- 238000007599dischargingMethods0.000description1
- 238000005485electric heatingMethods0.000description1
- 238000005265energy consumptionMethods0.000description1
- 238000010438heat treatmentMethods0.000description1
- 238000004519manufacturing processMethods0.000description1
- 238000005070samplingMethods0.000description1
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- 238000003756stirringMethods0.000description1
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Abstract
Description
Technical field
The present invention relates to electric-heating cooking utensil, particularly the air inlet and exhaust valve structure of electric cooking appliance.
Background technology
Traditional ordinary electric rice cooker, its lid is provided with the steam vent of straight-through outside air, and basically without any pressure, the water vapour of boiling is directly discharged from steam vent in the pot in the pot, and then can take away a large amount of heats, make the energy consumption of this traditional electric cooker very high; Secondly in order to keep the interior water of the pot institute's calorific requirement of seething with excitement, the power and the volume adequacy of heating element must be done greatly.
For the minute-pressure pan, basic principle is to keep all the time the critical point of the approaching boiling of water temperature in the pot but seldom surpasses fluidizing point, in the prior art scheme, more typical technical scheme, no matter be that Chinese patent application number is 200820005938.2, name is called the technical scheme of " a kind of Pneumatic electrothermal stewing implement ", still Chinese patent application number is 201010218284.3, name is called the application for a patent for invention of " a kind of movable cover controlling device ", does not all relate to the problem that air inlet and exhaust valve is set on pot cover.
For electric pressure cooking saucepan, generally be that intake and exhaust float-controlled valve and safety valve are set on its pot cover.These technology have a variety of, need not dispute at this and state.Wherein safety valve is an automatic vent under the driving of pot inner high voltage steam, prevents that the vapour pressure in the pot from extreme high pressure occurring and explode; And float-controlled valve is the passage that loses heart of sealing automatically under the driving of steam pressure in pot, occurs the then main air that discharges from food and water of discharging before the steam in pot.Described for this reason float-controlled valve mainly is to move according to the pressure in the pot, thus when exist in the pot certain steam and steam pressure thereof as cooking check food midway after want to close when cover, close that to cover be the thing of comparison difficulty.
Summary of the invention
The present invention attempts to change the sampling pot inner pressure of existing float-controlled valve and mobile mode, adopts the sample temperature signal that the unlatching of port is realized control automatically with sealing.For this reason, the present invention proposes a kind of air inlet and exhaust valve of electric cooking appliance, and described electric cooking appliance comprises pot cover, and described pot cover is provided with port; It is characterized in that described air inlet and exhaust valve comprises spool and the bimetal leaf that is connected with described spool, described bimetal leaf is arranged on the described pot cover and drives described spool closure or open described port.
Described electric cooking appliance comprises pot body and pot cover, is provided with interior pot, heater and electric-control system in the described pot body; Described pot cover on described pot body and and described in be provided with between the pot in the pot sealing device, thereby by pot sealing device in described not only can gather the steam pressure in the pot and also can make described in the interior food of pot under situation about sealing, cook.
Described port is to be used to discharge the interior air of interior pot and the passage of steam, and the air outside can certainly allowing is by entering in described interior pot.Described spool is to be arranged in the described port accordingly or outside and can open and seal the parts of described port; Between described spool and the described bimetal leaf, described bimetal leaf can directly be connected with described pot cover, also can couple together indirectly by other accessories such as transition bracing frame and the following housing that will mention, cushion block etc.; The structure of described spool can have various ways, for example:
(1) be soft obstruction, described soft obstruction is can be under the driving of described bimetal leaf closed or open described port.The two ends of described bimetal leaf can be flat or be the side that the arch bridge shape strides across described port and is arranged on described port (described in other words pot cover), and described soft obstruction is connected the medium position and the corresponding described port of described bimetal leaf; One end that can also be described bimetal leaf is connected on the described pot cover, and described soft obstruction is connected the other end or the medium position and the corresponding described port of described bimetal leaf.
(2) T-shaped spool, be that described spool has rod body part at least and seal member on the described rod body part is set, the rod body part of described spool is passed between the rod body part of described port and described spool and the madial wall of described port (described in other words pot cover) and is provided with the gap, the seal member of described like this spool just seals described port when being fitted on the described pot cover, otherwise just opens described port.The two ends of described bimetal leaf can be flat or be the side that the arch bridge shape strides across described port and is arranged on described port (described in other words pot cover), and the rod body part of described spool is connected the medium position of described bimetal leaf; One end that can also be described bimetal leaf is connected on the described pot cover, and the rod body part of described spool is connected the other end or the medium position of described bimetal leaf.Wherein said bimetal leaf and described seal member can be separately positioned on the dual-side of described pot cover, also can be arranged on the same side of described pot cover.
Described bimetal leaf is a kind of composite material, and it can produce the deformation bending with variation of temperature.Closed or the unlatching of the described spool of the displacement drive that can under different temperature environments, produce by means of the temperature variation characteristic of described bimetal leaf at least for this reason.Secondly can also protective layer be set in the appearance of described bimetal leaf,, thereby protect this environment of described bimetal leaf to work down and be not corroded in high humility as high temperature lacquer, rubber sleeve, the soft cover etc. of moulding.
Described pot cover can be the structure of individual layer, also can be structure of two layers, is under the double-deck situation at described pot cover, described bimetal leaf and described spool can be arranged on described pot cover in cover; Steam that described spool discharges or cold air can be discharged into the outside by the shell body that other passages pass described pot cover.
According to technique scheme, when described electric cooking appliance is in normal temperature or certain low-temperature condition, described bimetal leaf can drive described spool and be in opening, the inner space pressure and the outside of pot are consistent in described, air in the pot not only can be discharged, and when not surpassing certain temperature value, can also uncap very expediently or close lid; When kettle temperature surpassed certain value and described bimetal leaf and also responds to corresponding temperature, the deformation displacement of described bimetal leaf own drove described spool and is in closure state.Like this when culinary art finishes or open pot cover in the process of culinary art, thereby, pot cover itself make the rapid cooling of described bimetallic sector-meeting that it is resetted in the air because being in, open described spool, when closing once more when covering, even the temperature in described in the pot is than higher but need the regular hour because described bimetal leaf is made a response to the high-temperature steam in the pot in described, all the time be in opening closing spool described in the process of lid for this reason, close once more that lid becomes easily and smoothly thereby make.
According to technique scheme, when described electric cooking appliance was in normal temperature or certain low-temperature condition, described bimetal leaf also can drive described spool and be in closed state, when the described spool of described bimetal leaf temperature distortion rear drive is in opening.
The scheme contrast of promptly closing with the pressure type float-controlled valve pressurized of available technology adopting, obviously described spool of the present invention close or opening speed is less than float-controlled valve rise speed of closing and the speed that descends and open.
Further technical scheme can also be, described pot cover has pit, and described port is arranged on the central part of described pit.Because described pot cover has pit, the pit position wall body of in fact described pot cover is the arch bridge shape, described bimetal leaf one or both ends are connected on the sidewall bodies of described pit, and described bimetal leaf also can be flat or be the arch bridge shape to be arranged, like this when described bimetal leaf is positioned at described pit inboard, just can suitably strengthen the distance between described bimetal leaf and the described port, thereby the volume of described spool is increased, be convenient to make and assemble described spool, also can save the cost of making described bimetal leaf.
Further technical scheme can also be, at the peripheral position of described port auxiliary port is set, and described auxiliary port is positioned at the scope that seal member covered of described spool.Described auxiliary port not only can still have intake and exhaust functions under the blocked situation of described port, and can increase the ability that in described pot is discharged air or steam.
Further technical scheme can also be, also comprise housing, described housing is arranged on the described pot cover, described port and described air inlet and exhaust valve are arranged in the described housing, described port is communicated with described interior pot, and described bimetal leaf is arranged on the described housing and drives described spool closure or open described port.Further technical scheme can also be, is threaded between described housing and the described pot cover.According to this scheme, described air inlet and exhaust valve can be by forming independently parts with described housing assembling, and more convenient so described air inlet and exhaust valve is installed is positioned on the described pot cover.
Because the present invention has These characteristics and advantage, can be applied in the utensils for kitchen use such as electric cooking appliance such as ordinary electric rice cooker, micropressure boiler, soup clay pot, slow cooker, pressure cooker.
Description of drawings
Fig. 1 is a structural representation of using first kind of embodiment of technical solution of the present invention;
Fig. 2 is the enlarged drawing of A portion among Fig. 1, also is the view before the described bimetal leaf undeformed;
Fig. 3 is the enlarged drawing of A portion among Fig. 1, also is the view after the described bimetal leaf deformation;
Fig. 4 is second kind of example structure schematic diagram using technical solution of the present invention.
Fig. 5 is the third example structure schematic diagram of using technical solution of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of concrete application technical solution of the present invention is explained.
Embodiment one
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of electric cooking appliance, comprise pot cover 1,pot body 2,interior pot 3 andheater 21, wherein saidpot body 2 is main supporting parts of described electric cooking appliance, the electric-control system ofpot 3,heater 21,outer pot 4 and described electric cooking appliance in being provided with in it, described pot cover 1 the top of describedpot body 2 and and described in be provided with between thepot 3 inpot sealing ring 31.
Wherein said pot cover 1 comprisesshell body 12 andinner cap 11, and described pot cover 1 is articulated and connected and can stirs by the articulatedmounting 13 that is provided with between itsshell body 12 and the described pot body 2.Pot 3 is arranged in the describedpot body 2 in described, and the outer periphery of describedinterior pot 3 is equipped withheater 21, and describedheater 21 is electrically connected with the control system of described minute-pressure pan.
On the describedinner cap 11pit 16 is set,port 14 is set at the central part of describedpit 16, on describedpit 16 and be positioned at describedport 14 around be provided withauxiliary port 15 again.Theshell body 12 of described pot cover 1 is provided withoutside bleeder port 121, so that discharge from the air and the steam of describedport interior pot 3.
Corresponding to describedport 14spool 5 is set, describedspool 5 comprises therod body part 50 that is " T " font, and the bottom of describedrod body part 50 is provided with seal member 51.Thereby the internal diameter of describedport 14 has the gap greater than the external diameter of describedrod body part 5 between them.Describedseal member 51 can block describedport 14 and describedauxiliary port 15 fully.
Above describedport 14, be provided with bimetal leaf 6 (also being the inboard that describedbimetal leaf 6 is positioned at described pit 16), the two ends of describedbimetal leaf 6 are the arch bridge shape and stride across describedport 14 and be connected on the sidewall of describedpit 16, and the top ends of therod body part 50 of describedspool 5 is passed the medium position that describedport 14 is connected described bimetal leaf 6.Wherein saidbimetal leaf 6 and describedseal member 51 are separately positioned on the dual-side of described inner cap 11 (also being the diapire of describedpit 16).Thereby describedpit 16 not only can make describedbimetal leaf 6 can be directly be connected on the describedinner cap 12 in straight mode and need not raise method that describedbimetal leaf 6 maybe need not adopt the describedbimetal leaf 6 of lengthening by means of other parts and strengthen distance between itself and the describedport 14, make processing and assemble easyly, cost reduces.
Certain describedbimetal leaf 6 also can only be that the one end is connected on the describedinner cap 11, therod body part 50 of described thespool 5 and other end is connected.
Describedbimetal leaf 6 is a kind of composite materials, and protective layer such as high temperature lacquer, rubber sleeve, the soft cover etc. of moulding can be set in the appearance of describedbimetal leaf 6, thereby protects 6 environment in high humility of described bimetal leaf to work down and be not corroded.
According to technique scheme, when described electric cooking appliance is in normal temperature or certain low-temperature condition, describedbimetal leaf 6 drives describedspool 5 and is in opening, the inner space pressure and the outside ofpot 3 are consistent in described, air in the pot not only can be discharged, and when not surpassing certain temperature value, can also uncap very expediently or close lid; When kettle temperature surpasses certain value and describedbimetal leaf 6 and also responds to corresponding temperature, as shown in Figure 3, describedbimetal leaf 6 itself is out of shape to top offset, drag the describedseal member 51 describedport 14 of sealing and theauxiliary ports 15 of describedspool 5, make the pressure in the describedinterior pot 3 can begin to gather.When culinary art finishes or open pot cover 1 in the process of culinary art, thereby, pot cover 1 make describedbimetal leaf 6 rapid coolings make it be reset to state shown in Figure 2 in the air because itself being in, open describedspool 5, when closing once more when covering, even in described the temperature of pot in 3 than higher but since 6 pairs of described bimetal leafs described in high-temperature steams in thepot 3 make a response and need the regular hour, all the time be in opening closing spool described in the process oflid 5 for this reason, become easily with smooth thereby make to close once more to cover, with the scheme contrast that the float-controlled valve pressurized of prior art employing is promptly closed, the closing velocity of obvious describedspool 5 is less than the speed that float-controlled valve rises and cuts out.
Embodiment two
As shown in Figure 4, different with embodiment one is, describedspool 5 is thesoft obstructions 7 that are inverted T-shape with the silicon rubber manufacturing, describedsoft obstruction 7 and describedbimetal leaf 6 front and back be fixed together and by described cushion block 8 be connected in describedinner cap 11 below.The top of describedsoft obstruction 7 is stretched in the describedport 14, and the external diameter on the top of describedsoft obstruction 7 is less than the internal diameter of described port 14.Like this when kettle temperature surpasses certain value and describedbimetal leaf 6 and also responds to corresponding temperature, describedbimetal leaf 6 produces deformation and promotes to move in the describedsoft obstruction 7, the protrusion banding of describedsoft obstruction 7 bottoms closes describedport 14, makes the pressure in the describedinterior pot 3 can begin to gather.When culinary art finishes or open pot cover 1 in the process of culinary art, thereby make describedbimetal leaf 6 rapid coolings make it be reset to state shown in Figure 4 in the air, opensoft obstruction 7 because pot cover 1 is in itself; When closing once more when covering, even in described the temperature of pot in 3 than higher but since 6 pairs of described bimetal leafs described in high-temperature steams in thepot 3 make a response and need the regular hour,soft obstruction 7 is in opening all the time in closing the process of lid for this reason, becomes easily with smooth thereby make to close once more to cover.
Embodiment three
As shown in Figure 5, be the third example structure schematic diagram of using technical solution of the present invention.Different with embodiment one is, describedinner cap 11 is provided withhousing 9, and describedhousing 9 is arranged in the hole of describedinner cap 11 by screw thread or embedding pressure mode.In described housing, be provided withisolation platform 17, the center of describedisolation platform 17 is provided with describedport 14 and describedauxiliary port 15, describedbimetal leaf 6 is erected on the describedisolation platform 17 and connects the top of therod body part 50 that is " T " font of describedspool 5 in the middle part of it, and the bottom of describedrod body part 50 is provided with seal member 51.Thereby the internal diameter of describedport 14 has the gap greater than the external diameter of describedrod body part 50 between them.When describedbimetal leaf 6 temperature distortions, can drag on the describedseal member 51 and move, block describedport 14 and describedauxiliary port 15 fully.
Claims (10)
1. the air inlet and exhaust valve of electric cooking appliance, described electric cooking appliance comprises pot cover, described pot cover is provided with port; It is characterized in that described air inlet and exhaust valve comprises spool and the bimetal leaf that is connected with described spool, described bimetal leaf is arranged on the described pot cover and drives described spool closure or open described port.
2. the air inlet and exhaust valve of electric cooking appliance according to claim 1 is characterized in that, described bimetal leaf two ends stride across described port and are arranged on a side of described pot cover, and described spool is connected the medium position of described bimetal leaf.
3. the air inlet and exhaust valve of electric cooking appliance according to claim 1 is characterized in that, an end of described bimetal leaf is connected on the described pot cover, and described spool is connected the other end or the medium position of described bimetal leaf.
4. the air inlet and exhaust valve of electric cooking appliance according to claim 1 is characterized in that, described pot cover has pit, and described port is arranged on the central part of described pit.
5. the air inlet and exhaust valve of electric cooking appliance according to claim 1 is characterized in that, at the peripheral position of described port auxiliary port is set, and described auxiliary port is positioned at the scope that seal member covered of described spool.
6. according to the air inlet and exhaust valve of claim 1,2,3,4 or 5 described electric cooking appliances, it is characterized in that, protective layer is set in the appearance of described bimetal leaf.
7. according to the air inlet and exhaust valve of claim 1,2,3,4 or 5 described electric cooking appliances, it is characterized in that, described spool comprises valve rod and the sealing ring that is arranged on the described valve rod, described bimetal leaf connects described valve rod, and described valve rod and described sealing ring lay respectively at the both sides of described pot cover wall body.
8. according to the air inlet and exhaust valve of claim 1,2,3,4 or 5 described electric cooking appliances, it is characterized in that described spool is soft obstruction.
9. the air inlet and exhaust valve of electric cooking appliance according to claim 1, it is characterized in that, also comprise housing, described housing is arranged on the described pot cover, described port and described air inlet and exhaust valve are arranged in the described housing, described port is communicated with described interior pot, and described bimetal leaf is arranged on the described housing and drives described spool closure or open described port.
10. the air inlet and exhaust valve of electric cooking appliance according to claim 1 is characterized in that, is threaded between described housing and the described pot cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101432973ACN102204784A (en) | 2011-05-25 | 2011-05-25 | Air intake/evacuation valve for electric cooking appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101432973ACN102204784A (en) | 2011-05-25 | 2011-05-25 | Air intake/evacuation valve for electric cooking appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102204784Atrue CN102204784A (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101432973APendingCN102204784A (en) | 2011-05-25 | 2011-05-25 | Air intake/evacuation valve for electric cooking appliance |
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| CN (1) | CN102204784A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102362779A (en)* | 2011-10-24 | 2012-02-29 | 袁芳革 | A constant temperature pressure cooker exhaust valve control weight |
| CN103367035A (en)* | 2013-05-24 | 2013-10-23 | 亮群电子（常熟）有限公司 | Open temperature controller and production process thereof |
| CN103431749A (en)* | 2013-02-06 | 2013-12-11 | 陆一铭 | Delay cut-off valve of electric pressure cooker |
| CN103705107A (en)* | 2013-12-18 | 2014-04-09 | 柳州市大壹厨业有限公司 | Delayed pressure-maintaining shutoff valve for electric pressure cooker |
| CN103705109A (en)* | 2013-12-18 | 2014-04-09 | 柳州市大壹厨业有限公司 | Delayed pressure-maintaining shutoff device for electric pressure cooker |
| CN108451352A (en)* | 2018-04-11 | 2018-08-28 | 浙江爱仕达电器股份有限公司 | Micropressure boiler with gas deflation assembly and sealing rubber ring |
| CN109008595A (en)* | 2017-06-08 | 2018-12-18 | 佛山市顺德区美的电热电器制造有限公司 | Pot cover, electric pressure cooking saucepan and anti-overflow controlling means |
| CN109330391A (en)* | 2018-11-23 | 2019-02-15 | 东莞御膳坊信息技术有限公司 | A kind of pot cover with fume exhausting function of automatic dish cooking machine |
| WO2019080672A1 (en)* | 2017-10-24 | 2019-05-02 | 佛山市顺德区美的电热电器制造有限公司 | Soup-cooking control method for pressure cooker, and pressure cooker and computer readable storage medium |
| CN109998387A (en)* | 2019-05-10 | 2019-07-12 | 广东科嘉霖电器制造有限公司 | Steam exhaust structure and its Steam roaster |
| CN110754929A (en)* | 2018-07-27 | 2020-02-07 | 九阳股份有限公司 | Pressure air fryer |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102362779A (en)* | 2011-10-24 | 2012-02-29 | 袁芳革 | A constant temperature pressure cooker exhaust valve control weight |
| CN102362779B (en)* | 2011-10-24 | 2013-10-30 | 袁芳革 | Constant temperature type pressure cooker exhaust valve control weight |
| CN103431749A (en)* | 2013-02-06 | 2013-12-11 | 陆一铭 | Delay cut-off valve of electric pressure cooker |
| CN103367035A (en)* | 2013-05-24 | 2013-10-23 | 亮群电子（常熟）有限公司 | Open temperature controller and production process thereof |
| CN103705107A (en)* | 2013-12-18 | 2014-04-09 | 柳州市大壹厨业有限公司 | Delayed pressure-maintaining shutoff valve for electric pressure cooker |
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| CN109008595A (en)* | 2017-06-08 | 2018-12-18 | 佛山市顺德区美的电热电器制造有限公司 | Pot cover, electric pressure cooking saucepan and anti-overflow controlling means |
| WO2019080672A1 (en)* | 2017-10-24 | 2019-05-02 | 佛山市顺德区美的电热电器制造有限公司 | Soup-cooking control method for pressure cooker, and pressure cooker and computer readable storage medium |
| US11602239B2 (en) | 2017-10-24 | 2023-03-14 | Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd. | Soup cooking control method for a pressure cooker, pressure cooker, and computer-readable storage medium |
| CN108451352A (en)* | 2018-04-11 | 2018-08-28 | 浙江爱仕达电器股份有限公司 | Micropressure boiler with gas deflation assembly and sealing rubber ring |
| CN108451352B (en)* | 2018-04-11 | 2023-11-07 | 爱仕达股份有限公司 | Micro-pressure cooker with exhaust assembly and sealing rubber ring |
| CN110754929A (en)* | 2018-07-27 | 2020-02-07 | 九阳股份有限公司 | Pressure air fryer |
| CN110754929B (en)* | 2018-07-27 | 2021-12-03 | 九阳股份有限公司 | Pressure air fryer |
| CN109330391A (en)* | 2018-11-23 | 2019-02-15 | 东莞御膳坊信息技术有限公司 | A kind of pot cover with fume exhausting function of automatic dish cooking machine |
| CN109998387A (en)* | 2019-05-10 | 2019-07-12 | 广东科嘉霖电器制造有限公司 | Steam exhaust structure and its Steam roaster |
| CN109998387B (en)* | 2019-05-10 | 2024-04-26 | 台山市科嘉霖电器有限公司 | Steam exhaust structure and steam oven thereof |
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