CN105286498B - A kind of pressure-controlled type electric pressure pot - Google Patents
A kind of pressure-controlled type electric pressure pot Download PDFInfo
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- CN105286498B CN105286498B CN201510689922.2A CN201510689922A CN105286498B CN 105286498 B CN105286498 B CN 105286498B CN 201510689922 A CN201510689922 A CN 201510689922A CN 105286498 B CN105286498 B CN 105286498B
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- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000007704 transition Effects 0.000 claims description 3
- 230000005489 elastic deformation Effects 0.000 abstract description 25
- 230000008859 change Effects 0.000 abstract description 10
- 238000006073 displacement reaction Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010411 cooking Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The invention discloses a kind of pressure-controlled type electric pressure pot, pot cover, sealing ring, interior pot, outer pot is in turn connected to form a seal, some disk springs of the setting with open slot are arranged between heating dish and outer pot, the miner diameter end of disk spring forms upper bracing ring towards the horizontal flange in inner side, the bigger diameter end of disk spring forms lower bracing ring, cone wall portion between upper bracing ring and lower bracing ring forms elastic deformation area, it is criss-cross open slot radially to penetrate upper bracing ring and extend to cone portion to offer the contour line projected in the horizontal plane, the notch of open slot gradually extends out formula structure to bottom land in up-small and down-big, lower bracing ring is supported on outer pot bottom, upper bracing ring is resisted against on the leg of heating dish, leg and disk spring are located by connecting integrally by fixing screws and outer pot.Its disk spring possessed effectively raises elastic deformation amount, is advantageous to pressure-detecting device senses change in pressure, so as to improve pressure controling precision and security and stability.
Description
Technical field
The present invention relates to culinary cuisine fixture technology field, more particularly, to a kind of pressure-controlled type electric pressure pot.
Background technology
At present, in cooking apparatus industry, the culinary art electric pressure cooking saucepan for being capable of automatic Regulation is universal all by assembling elastic portion
Part carries out pressure regulation, using the corresponding displacement of elastic deformation generation of the elastomeric element between heating dish and outer pot, carries out accurate
Pressure control.However, the generally planar elastic plate of elastomeric element that the electric pressure cooking saucepan of prior art uses, although simple in construction, is easy to
Processing, but the relative displacement that the elastic deformation of tabular elastomeric element can provide is smaller, pressure controling precision is low, works as pressure
It will result in that deflection decay is larger to be difficult to reset when excessive, cause the unstable phenomenon of later stage to occur.
Notification number is CN203226627, and the day for announcing is a kind of electric to be disclosed in the Chinese patent document on October 9th, 2013
The Electromagnetic Heating structure of pressure cooker, the elastomeric element in the structure employ elastomeric pad, and elastomeric pad is placed in outer pot bottom surface, interior
Pot is placed on interior pan bracket, and interior pan bracket is placed on elastomeric pad.Although elastomeric pad cost that this electric pressure pot uses is low,
It is easy to process, but elastic deformation amount is small, pressure controling precision is low.
The content of the invention
In view of the shortcomings of the prior art, technical problem to be solved is to provide a kind of pressure-controlled type electric pressure pot to the present invention,
By optimization design, it is possessed the elastomeric element of a special construction, realize the elastic connection between outer pot and interior pot
On the basis of, by effectively improving elastic deformation amount, increase the displacement stroke of the sense contact of pressure-detecting device, be advantageous to pressure
Detection means senses change in pressure, so as to improve pressure controling precision and security and stability.
The present invention is to be addressed above-mentioned technical problem by the following technical programs.
A kind of pressure-controlled type electric pressure pot, including pot cover, sealing ring, interior pot, outer pot, heating dish, be arranged on heating dish with it is outer
Some elastomeric elements and the pressure-detecting device that is arranged on below outer pot between pot, pressure-detecting device and control board
It is connected, the pot cover is fastened on outer pot, and pot cover, sealing ring, interior pot, outer pot are in turn connected to form a seal, described
Elastomeric element is the disk spring with open slot, and the miner diameter end of disk spring forms upper bracing ring, dish towards the horizontal flange in inner side
The bigger diameter end of shape spring forms lower bracing ring, and the cone wall portion between upper bracing ring and lower bracing ring forms elastic deformation area, radially
Bracing ring and to extend to cone portion to offer the contour line projected in the horizontal plane be criss-cross open slot, open slot in insertion
Notch gradually extend out formula structure in up-small and down-big to bottom land, lower bracing ring is supported on outer pot bottom, upper bracing ring be resisted against plus
On the leg of hot plate, leg and disk spring are located by connecting integrally by fixing screws and outer pot.
In the structure shown here, pot cover and interior pot form seal cavity, and internal pot is heated under heating dish "on" position, adjoint
Pressure in seal cavity is gradually increasing, and interior pot is produced to bottom offset, and it is interior pot displacement to produce elastic deformation by disk spring
Necessary stroke is provided, meanwhile, the elastic deformation of disk spring acts on outer pot bottom, and elastic deformation occurs for outer pot bottom stress
The sense contact of contact detection means, closing switch, heating dish is set to stop heating.Because disk-shape spring structure designs spy
Very, there is cross-shaped aperture groove, compared with prior art in tabular elastomeric element there is bigger elastic deformation amount, Ke Yiyou
Preventing from causing deflection decay larger when pressure is excessive and being difficult to the phenomenon generation resetted for effect, is the sensing of pressure-detecting device
Contact provides longer displacement stroke, is advantageous to pressure-detecting device senses change in pressure, so as to improve pressure controling precision and
Security and stability.The notch of open slot gradually extends out formula structure to bottom land in up-small and down-big, makes bracing ring under pressure state
Bear the stress of load uniformly and spread gradually downward via cone wall portion, increase substantially fatigue resistance under HTHP and resist
Croop property.
Preferably, support backing plate is provided between lower bracing ring and outer pot.Because outer pot bottom generally use is relatively thin
Material is made, and by extension supporting backing plate, can both increase the structural strength of outer pot bottom, lower bracing ring, which can be formed, again has
The support of power, it is ensured that outer pot bottom stress equalization stabilization and the elastically-deformable linearity keep good under pressure state, so as to carry
High pressure control accuracy.
Preferably, disk spring is uniformly three.In same level, make pressure transmission balanced, outer pot bottom is equal
Even stress, elastic deformation are uniform and stable.
Preferably, sealing ring is provided with upper and lower lip, upper lip is adjacent to the sealing of pot cover seam portion, and lower lips are stopped with interior pot
Oral area sealing is adjacent to.The sealing effectiveness of upper and lower lip is linear contact lay, and sealing property is reliable, when inner pot pressure exceedes setting value
When, interior pot is excessively to bottom offset so that lower lips seal failure produces gap, realizes pressure release effect, possesses good security
Energy.
Preferably, pressure-detecting device is microswitch, sense contact and the outer pot exterior bottom of microswitch are kept
Default line pressure shift distance.As an improvement, the flat bolster being engaged with sense contact is set in outer pot exterior bottom.Dish-shaped bullet
The elastic deformation of spring adds the line pressure shift distance of microswitch sense contact, is advantageous to microswitch senses change in pressure,
Effectively raise pressure controling precision and security and stability.Set up flat bolster so that the elastic deformation of outer pot bottom passes through firm
Property pressure transmission provide the more preferable pressure signal transmission of the linearity, be easy to Stress control.
Preferably, the first cone wall and the second cone that wall portion is connected by arc transition are bored between upper bracing ring and lower bracing ring
Wall is formed, and the curvature in the first cone wall lateral face is more than the curvature in the second cone wall lateral face.Pass the stress under pressured state
Pass and be equalized spreading, improve creep-resistant property.As an improvement, the song in the first cone wall lateral face and the second cone wall lateral face
Rate radius ratio is 8.5:10.Further improve, the curvature in the first cone wall lateral face is more than the curvature in the first cone wall medial type face.
Under pressured state, while diffusion due to lateral face compression chord, medial type face tension stress influences, therefore such curvature
Setting effectively raises the fatigue resistance of the first cone wall.Further improve, the first cone wall lateral face and the first cone wall
The radius of curvature ratio in medial type face is 4.3:5.
Sum it up, the pressure-controlled type electric pressure pot of the present invention is on the basis of existing technology, the knot of elastomeric element is optimized
Structure, elastic deformation amount is greatly improved by the disk spring with cross-shaped aperture groove of particular design, is pressure detecting
The sense contact of device adds displacement stroke, is easy to pressure-detecting device senses change in pressure, so as to improve Stress control
The security and stability of precision and the electric pressure pot.
1. the disk-shape spring structure design with cross-shaped aperture groove is special, there is bigger elastic deformation amount, Ke Yiyou
Preventing from causing deflection decay larger when pressure is excessive and being difficult to the phenomenon generation resetted for effect, is the sensing of pressure-detecting device
Contact provides longer displacement stroke, is advantageous to pressure-detecting device senses change in pressure, so as to improve pressure controling precision and
Security and stability.The notch of open slot gradually extends out formula structure to bottom land in up-small and down-big, makes bracing ring under pressure state
Bear the stress of load uniformly and spread gradually downward via cone wall portion, increase substantially fatigue resistance under HTHP and resist
Croop property.
2. by extension supporting backing plate, it can both increase the structural strength of outer pot bottom, lower bracing ring can be formed again
Strong support, it is ensured that outer pot bottom stress equalization stabilization and the elastically-deformable linearity keep good under pressure state, so as to
Improve pressure controling precision.
3. by setting up flat bolster so that the elastic deformation of outer pot bottom is more preferable by the rigid pressure transmission offer linearity
Pressure signal transmission, be easy to Stress control.
4. by the way that the curvature in the first cone wall lateral face to be set greater than to the curvature in the second cone wall lateral face, make compression
Stress transmission under state is equalized spreading, and improves creep-resistant property.Also, the curvature in the first cone wall lateral face is set
To bore the curvature in wall medial type face more than first, the fatigue resistance of the first cone wall can be effectively improved.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1；
Fig. 3 is the structural representation of the disk spring of the present invention；
Fig. 4 is Fig. 3 side structure schematic view；
Fig. 5 is Fig. 3 cross section structure diagram.
In figure：1- pot covers, 2- sealing rings, pot in 3-, 4- outer pots, 5- heating dish, 6- disk springs, the upper bracing rings of 61-,
Bracing ring under 62-, 63- open slots, 64- first bore wall, and 65- second bores wall, and 7- fixing screws, 8- microswitches, 9-, which senses, to be touched
Point, 10- flat bolsters, 11- support backing plates.
Embodiment
Embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
As shown in the structural representation of pressure-controlled type electric pressure pot of the invention in Fig. 1, including pot cover 1, sealing ring 2, interior pot
3rd, outer pot 4, heating dish 5, some elastomeric elements being arranged between heating dish 5 and outer pot 4 and the pressure for being arranged on the lower section of outer pot 4
Force checking device, heating dish 5, pressure-detecting device are connected with control board, and outer pot 4 and interior pot are realized by elastomeric element
Elastic connection between 3, the line pressure shift of interior pot 3 is converted into the line pressure shift of outer pot 4, and by pressure-detecting device to control
Circuit board processed transmits signal, and control heating dish 5 starts heating or closes the action of heating.
The pot cover 1 is fastened on outer pot 4, and pot cover 1, sealing ring 2, interior pot 3, outer pot 4 are in turn connected to form a sealing
Body, shown in figure, sealing ring 2 is provided with upper and lower lip, and upper lip is adjacent to the sealing of the seam portion of pot cover 1, lower lips and the interior seam of pot 3
Portion's sealing is adjacent to, so that it is guaranteed that seal cavity is formed between pot cover 1 and interior pot 3, because the sealing effectiveness of upper and lower lip is
Linear contact lay, sealing property is reliable, and when the interior pressure of pot 3 exceedes setting value, interior pot 3 is excessively to bottom offset so that lower lips seal
Failure produces gap, realizes pressure release effect, possesses good security performance.The amount of elastic deformation of elastomeric element for interior pot 3 to
Bottom offset provides necessary safety travel.As shown in Fig. 2 to Fig. 5, the elastomeric element is the disk spring with open slot
6, the miner diameter end of disk spring 6 forms upper bracing ring 61 towards the horizontal flange in inner side, and the bigger diameter end of disk spring 6 forms lower support
Circle 62, the cone wall portion between upper bracing ring 61 and lower bracing ring 62 form elastic deformation area, radially penetrate upper bracing ring 61 and prolong
It is criss-cross open slot 63 to extend cone portion and offer the contour line projected in the horizontal plane, the notch of open slot 63 to bottom land
Formula structure gradually is extended out in up-small and down-big, the disk spring 6 designed using special construction can be than commonly used tabular bullet
Property part more elastic deformation amounts are provided, this will provide longer safety travel for moving down for interior pot 3, be protected when hypertonia
Demonstrate,prove safety relief.Furthermore, it is possible to provide longer displacement stroke for the sense contact of pressure-detecting device, be advantageous to pressure detecting
Device senses change in pressure, so as to improve pressure controling precision.Due to bearing the pressure of alternate load at high temperature under high pressure, will open
Notch to the bottom land of mouthful groove be arranged to it is up-small and down-big gradually extend out formula structure, bracing ring 61 can be made to be born under pressure state
The stress of load is uniform and is spread gradually downward via cone wall portion, increases substantially fatigue resistance and creep resistant under HTHP
Performance.The first cone wall 64 and second that wall portion is connected by arc transition is bored between upper bracing ring 61 and lower bracing ring 62 and bores the structure of wall 65
Into the curvature in the first cone wall 64 lateral face is more than the curvature in the second cone wall 65 lateral face, can so make it that boring wall portion holds
It is conducted through the stress come in a compressed state by upper bracing ring 61 and fast uniform diffusion is obtained during elastic deformation, is improved
Creep-resistant property under the condition of high temperature.As a specific embodiment, by the first cone lateral face of wall 64 and the second cone wall 65
The radius of curvature ratio in lateral face is arranged to 8.5:10., can be by order to improve the fatigue resistance under high-temperature high-pressure state
The curvature in one cone wall 64 lateral face is set greater than the curvature in the medial type face of the first cone wall 64, due to lateral face compression chord
While diffusion, medial type face tension stress influences, therefore the setting of such curvature effectively raises the anti-tired of the first cone wall
Labor intensity.As a specific embodiment, by the curvature half in the first cone lateral face of wall 64 and the first cone wall 64 medial type face
Footpath ratio is arranged to 4.3:5.
Disk spring 6 is uniformly three as shown in fig. 1, can be adjusted certainly according to practical structures and pressure cooker watt level
Disk spring 6 set quantity and position adjustment, in an embodiment of the present invention three disk springs 6 be located at same level
On, the pressure that interior pot 3 transmits is kept in balance, and make the bottom even stress of outer pot 4, elastic deformation is uniform and stable.Lower bracing ring
62 are supported on the bottom of outer pot 4, and upper bracing ring 61 is resisted against on the leg 51 of heating dish 5, and leg 51 and disk spring 6 pass through fixation
Screw 7 is located by connecting integrally with outer pot 4.Because the relatively thin material of the bottom generally use of outer pot 4 is made, intensity is small, can pass through
It the extension supporting backing plate 11 between lower bracing ring 62 and outer pot 4, so can both increase the structural strength of the bottom of outer pot 4, reduce
The difference of outer pot bottom 4 deformation quantity everywhere, can form strong support, it is ensured that outer pot under pressure state to lower bracing ring 62 again
4 bottom stress equalizations are stablized and the elastically-deformable linearity keeps good, so as to improve pressure controling precision.
Pressure-detecting device can use pressure sensor collocation controlling switch, be sensed according to practical structures using inductance
The senser element of the various popularization and applications such as device, displacement transducer.Selection, will be micro- using conventional microswitch 8 in the present embodiment
Default line pressure shift distance is kept between the sense contact 9 and the exterior bottom of outer pot 4 of dynamic switch 8, due to adding elastic change
Shape amount, be so advantageous to the senses change in pressure of sense contact 9, improve pressure controling precision.Can also be in the exterior bottom of outer pot 4
The flat bolster 10 being engaged with sense contact 9 is set up, increases structural strength by setting up flat bolster 10, may be such that the bottom of outer pot 4
Elastic deformation by rigid pressure transmission provide the more preferable pressure signal transmission of the linearity, be easy to Stress control.Moreover, protecting
On the basis of holding the necessary structural strength of the body of outer pot 4, the bottom thickness of outer pot 4 can also be moderately reduced, ensures that the bottom of outer pot 4 is good
While good deformation behavior, material cost is significantly saved, promotes economic benefit.
The cooking methods of pressure-controlled type electric pressure pot in the present embodiment, comprise the steps：
1) electric pressure cooking saucepan switch is opened, microswitch 8 closes, and heating dish 5 heats；
2) when heating dish 5 is heated, certain pressure is produced in interior pot 3, because outer pot 4 and pot cover 1 pass through sealing ring 2
Fastening is closed, seal cavity is formed between pot cover 1 and interior pot 3, pressure makes interior pot 3 produce bullet by disk spring 6 to bottom offset
Property deformation give the safety travel of the interior displacement of pot 3；
3) pressure transmission of interior pot 3 is produced elastic deformation by the elastic deformation of disk spring 6 to the bottom of outer pot 4, when outer pot 4
The deformational displacement amount of bottom touches sense contact 9 when reaching range of set value, then microswitch 8 disconnects, and heating dish stops heating,
Pressure slowly declines in interior pot 3, and disk spring 6 recovers original state, and microswitch 8 closes again；
4) heating dish 5 re-starts heating, and circulation work is cooked successively.
The present invention is not limited to above-described preferred embodiment, can be known based on those skilled in the art
The various modifications of equivalence replacement and the embodiment of change are capable of in known technology or use in the prior art, every based on this
The spirit or technical concept of invention, should be included in the scope of the protection.
Claims (8)
1. a kind of pressure-controlled type electric pressure pot, including pot cover (1), sealing ring (2), interior pot (3), outer pot (4), heating dish (5), setting
Some elastomeric elements between heating dish (5) and outer pot (4) and the pressure-detecting device being arranged on below outer pot (4),
Heating dish (5), pressure-detecting device are connected with control board, it is characterized in that：The pot cover (1) is fastened on outer pot (4),
Pot cover (1), sealing ring (2), interior pot (3), outer pot (4) are in turn connected to form a seal, and the elastomeric element is band opening
The disk spring (6) of groove, the miner diameter end of disk spring (6) form upper bracing ring (61), disk spring towards the horizontal flange in inner side
(6) bigger diameter end forms lower bracing ring (62), and the cone wall portion between upper bracing ring (61) and lower bracing ring (62) forms elasticity and become
Shape area, it is criss-cross radially to penetrate upper bracing ring (61) and extend to cone portion to offer the contour line projected in the horizontal plane
Open slot (63), the notch of open slot (63) gradually extend out formula structure to bottom land in up-small and down-big, and lower bracing ring (62) is supported on
Outer pot (4) bottom, upper bracing ring (61) are resisted against on the leg (51) of heating dish (5), and leg (51) and disk spring (6) pass through
Fixing screws (7) are located by connecting integrally with outer pot (4)；
The sealing ring (2) is provided with upper and lower lip, and upper lip is adjacent to the sealing of pot cover (1) seam portion, and lower lips are stopped with interior pot (3)
Oral area sealing is adjacent to；
Bore that wall portion be connected by arc transition between the upper bracing ring (61) and lower bracing ring (62) first bores wall (64) and the
Plug tap wall (65) is formed, and the curvature in first cone wall (64) lateral face is more than the curvature in second cone wall (65) lateral face.
2. pressure-controlled type electric pressure pot according to claim 1, it is characterized in that：Set between lower bracing ring (62) and outer pot (4)
It is equipped with support backing plate (11).
3. pressure-controlled type electric pressure pot according to claim 1, it is characterized in that：Disk spring (6) is uniformly three.
4. pressure-controlled type electric pressure pot according to claim 1, it is characterized in that：Pressure-detecting device is microswitch (8), micro-
The sense contact (9) of dynamic switch (8) keeps default line pressure shift distance with outer pot (4) exterior bottom.
5. pressure-controlled type electric pressure pot according to claim 4, it is characterized in that：Set and sense in outer pot (4) exterior bottom
The flat bolster (10) that contact (9) is engaged.
6. pressure-controlled type electric pressure pot according to claim 1, it is characterized in that：First cone wall (64) lateral face and the second cone
The radius of curvature ratio in wall (65) lateral face is 8.5:10.
7. pressure-controlled type electric pressure pot according to claim 1, it is characterized in that：The curvature in first cone wall (64) lateral face is big
Curvature in first cone wall (64) medial type face.
8. pressure-controlled type electric pressure pot according to claim 7, it is characterized in that：First cone wall (64) lateral face and the first cone
The radius of curvature ratio in wall (64) medial type face is 4.3:5.
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| CN201510689922.2A CN105286498B (en) | 2015-10-21 | 2015-10-21 | A kind of pressure-controlled type electric pressure pot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510689922.2A CN105286498B (en) | 2015-10-21 | 2015-10-21 | A kind of pressure-controlled type electric pressure pot |
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| CN105286498A CN105286498A (en) | 2016-02-03 |
| CN105286498B true CN105286498B (en) | 2017-12-08 |
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| CN201510689922.2A Active CN105286498B (en) | 2015-10-21 | 2015-10-21 | A kind of pressure-controlled type electric pressure pot |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102174736B1 (en) | 2016-12-13 | 2020-11-05 | 미디어 그룹 코 엘티디 | Pressure detection device and cooking utensil having same |
| CN106618172B (en) * | 2016-12-13 | 2018-12-21 | 美的集团股份有限公司 | Pressure sensor and cooking apparatus with it |
| EP3865025A3 (en) | 2017-08-09 | 2021-11-10 | 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 |
| 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 |
| USD934027S1 (en) | 2018-08-09 | 2021-10-26 | Sharkninja Operating Llc | Reversible cooking rack |
| US20190254476A1 (en) | 2019-02-25 | 2019-08-22 | Sharkninja Operating Llc | Cooking device and components thereof |
| CN212788226U (en) | 2019-02-25 | 2021-03-26 | 沙克忍者运营有限责任公司 | Cooking system |
| 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 |
| US11678765B2 (en) | 2020-03-30 | 2023-06-20 | Sharkninja Operating Llc | Cooking device and components thereof |
| CN113317679B (en) * | 2021-06-08 | 2022-09-30 | 手拉手(浙江)智能家居有限公司 | Pressure-control type electric pressure cooker |
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| CN201223279Y (en) * | 2008-06-26 | 2009-04-22 | 上海奔腾企业(集团)有限公司 | Bucket type electric pressure pot |
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| US5833776A (en) * | 1996-07-29 | 1998-11-10 | Barnes Group Inc. | Method of making a Belleville spring |
| CN101725617A (en) * | 2009-08-28 | 2010-06-09 | 超化公司 | Waveform movable pressing pretightening butterfly spring |
| CN101731939B (en) * | 2009-12-18 | 2012-01-11 | 九阳股份有限公司 | Pressure controlled electric pressure cooker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201223279Y (en) * | 2008-06-26 | 2009-04-22 | 上海奔腾企业(集团)有限公司 | Bucket type electric pressure pot |
| CN104095525A (en) * | 2013-05-27 | 2014-10-15 | 九阳股份有限公司 | Pressure-control electric pressure cooker |
| CN205162753U (en) * | 2015-10-21 | 2016-04-20 | 杭州永耀科技有限公司 | Accuse pressure formula electricity pressure cooker |
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