CN108324096A - The fast exhaust component and pressure cooker of pressure cooker - Google Patents
The fast exhaust component and pressure cooker of pressure cooker Download PDFInfo
- Publication number
- CN108324096A CN108324096A CN201710038079.0A CN201710038079A CN108324096A CN 108324096 A CN108324096 A CN 108324096A CN 201710038079 A CN201710038079 A CN 201710038079A CN 108324096 A CN108324096 A CN 108324096A
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- China
- Prior art keywords
- impeller
- pressure cooker
- pot cover
- exhaust component
- kuppe
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- 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
-
- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
Abstract
The present invention proposes a kind of fast exhaust component of pressure cooker and a kind of pressure cooker, including：Pot body and pot cover, pot cover cover buckle surround closed cooking cavity in pot body and with pot body, the exhaust outlet for cooking cavity to be connected to external environment are provided on pot cover；The fast exhaust component of pressure cooker further includes：Impeller is located in cooking cavity and pivots cooperation with pot cover；And the driving unit for impeller rotation, wherein impeller is revolving structure.The fast exhaust component of pressure cooker provided by the invention, the impeller of cooperation is mutually pivoted with pot cover by being arranged in cooking cavity, when culinary art terminates, when decompression is exhausted in opening exhaust outlet, the high-pressure steam and bubble of pot nside will pass through impeller in advance, then will be discharged via exhaust outlet, realize air-liquid separation, and then the anti-spilled and fast decompression of pressure cooker is realized, the quick unlatching of pressure cooker is realized, and then improve the usage experience of user.
Description
Technical field
The present invention relates to living electric apparatus fields, the fast exhaust component in particular to a kind of pressure cooker and a kind of pressure
Power pot.
Background technology
In the related art, pressure cooker, which is completed still to have after cooking after certain pressure needs complete pressure release, could open pot cover
Take out food, a kind of method of generally use is to allow in pot pressure recovery is uncapped again to when atmospheric pressure after food cooling, but this need
It wants user to wait for for a long time, for cooking congee, waits for the time uncapped that may be up to 40min to 60min；And another is done
Method is to open exhaust outlet decompression is exhausted, and the dip time of this method only needs 2min to 3min, but is not each food
It is all suitable for, the higher food of this kind of viscosity of congee, since viscosity is excessively high, can be produced when opening exhaust outlet progress quick pressure releasing
, there is more serious overflowing pot phenomenon, spill-out can reach the one third of former food, and in Quick air-discharge in raw a large amount of bubble
When, will produce larger noise, therefore, how to propose one kind when cooking viscous foodstuff can quick-opening lid and pressure release noise it is smaller
Pressure cooker, become current urgent problem to be solved.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.
For this purpose, it is an advantage of the invention to provide a kind of fast exhaust components of no-spill pressure cooker.
It is a further object of the invention to provide a kind of pressure cookers.
In view of this, a purpose according to the present invention, the present invention proposes a kind of fast exhaust component of pressure cooker, packet
It includes：Pot body and pot cover, pot cover cover buckle surround closed cooking cavity in pot body and with pot body, are provided on pot cover for that will cook
The exhaust outlet that chamber of preparing food is connected to external environment；The fast exhaust component of pressure cooker further includes：Impeller, be located at cooking cavity in and with pot
Lid pivots cooperation；And the driving unit for impeller rotation, wherein impeller is revolving structure.
The fast exhaust component of pressure cooker provided by the invention mutually pivots cooperation by being arranged in cooking cavity with pot cover
The impeller of revolving structure, when culinary art terminates, and decompression is exhausted in opening exhaust outlet, the high-pressure steam and gas of pot nside
Bubble will pass through impeller in advance, then be discharged via exhaust outlet, and when vapor and bubble are in process impeller, by driving unit band
Movable vane wheel high speed rotation, and impeller rotation will generate centrifugal force, and the formula of centrifugal force is：FFrom=m ω ^2r, wherein m is matter
Amount, ω is angular speed, and r is radius, under angular speed and radius unanimous circumstances, since the quality of the liquid of equal volume is long-range
In gas, therefore, the centrifugal force suffered by liquid will be much larger than gas so that liquid can not be by impeller, but is divided by impeller
It separates out, and gas can be discharged by impeller by gas vent, to realize air-liquid separation, and then realize the anti-of pressure cooker
Spilling and fast decompression so that user need not wait for pressure cooker cooling decompression for a long time, realize the quick unlatching of pressure cooker,
And then the usage experience of user is improved, also, rotated by driving unit impeller so that impeller has high rotating speed to produce
Raw enough centrifugal force, and using the impeller of revolving structure, ensure that vapor in all directions and bubble can not be straight
Connect and excluded by exhaust outlet, meanwhile, the rotating effect of the impeller of revolving structure is steady, the centrifugation gap edge of each marginal position compared with
It is small, there is stable air-liquid separating effect, on the other hand, since before gas discharges, brokenly bubble is carried out by impeller so that
Gas can be excluded smoothly via discharge, to reduce exhaust noise.
In addition, the fast exhaust component of the pressure cooker in above-described embodiment provided by the invention can also have following add
Technical characteristic：
In the above-mentioned technical solutions, it is preferable that the pivot center of impeller and the centerline axis parallel of pot body overlap.
In the technical scheme, the pivot center of impeller is set as parallel with the central axis of pot body or overlapped, made
Obtaining impeller can rotate perpendicular to vent direction, so that impeller direction of rotation can be perpendicular to air-flow flowing side
To, can be better achieved air-liquid separation.
In any of the above-described technical solution, it is preferable that shape between the pivot center of the impeller and the central axis of pot body
Have angle A, and the value range of A is：0 ° of A≤16 ° ＜.
In the technical scheme, the pivot center of impeller is obliquely installed, impeller is made to form an inclination angle in cooking cavity,
I.e. impeller and horizontal direction form an included angle A, in impeller high-speed rotation, the work of the water that is generated after impeller brokenly bubble in centrifugal force
Under, it is easier to be returned directly in cooking cavity on the liquid level of culinary art material.
In any of the above-described technical solution, it is preferable that there is gap d 1 between pot cover and impeller top end surface, gap d 1
Value range is：0mm≤d1≤2mm.
In the technical scheme, by the way that the value range of the gap d1 between pot cover inner surface and impeller upper surface to be arranged
For：0mm≤d1≤2mm avoids water vapour in pot body and bubble by between pot cover inner surface and the upper surface of impeller
Gap is directly discharged by exhaust outlet, ensure that the anti-spilled effect of the fast exhaust component of pressure cooker.
In any of the above-described technical solution, it is preferable that driving unit includes：Rotation axis is arranged on pot cover；Impeller synchronizes
Connection is on the rotating shaft.
In the technical scheme, impeller is connected to by rotation axis on pot cover so that and impeller can smoothly rotate, and
The connection type is simple in structure, and material requested is few, and efficiency of assembling is high.
In any of the above-described technical solution, it is preferable that driving unit further includes：Motor is arranged on pot cover, is located at closed
Cooking cavity on the outside of, motor is provided with output shaft；Through-hole is provided on pot cover, rotation axis is arranged in through-hole and is connected with output shaft
It connects.
In the technical scheme, it is rotated by motor driven impeller, ensure that the rotary speed of impeller, can effectively protected
The separating effect of impeller separation gas and liquid is demonstrate,proved, and motor is arranged above pot cover, motor is protected, motor is avoided
It contacts, damages with liquid.
In any of the above-described technical solution, it is preferable that be provided with sealing element between through-hole and rotation axis.
In the technical scheme, by the way that sealing element is arranged between through-hole and rotation axis, to ensure the seal of cooking cavity,
Ensure that pressure cooker being capable of normal use.
In any of the above-described technical solution, it is preferable that be provided with towards cooking cavity on the inside of pot cover and extend internally water conservancy diversion
Cover, in a ring, the inner surface of the upper surface of impeller, the inner wall of kuppe and pot cover surrounds a cavity to kuppe jointly, exhaust
Mouth is conducted to external environment by cavity.
In the technical scheme, it is formed by the inner surface of the upper surface of impeller, the inner wall of annular kuppe and pot cover
Cavity, impeller rotate at the air inlet of the cavity, when opening exhaust outlet is exhausted, cook the water vapour and gas of generation
Bubble can only first pass through impeller and enter cavity, be then discharged again via exhaust outlet, when water vapour and bubble pass through impeller, impeller
High-speed rotation so that bubble breaking, the water generated after brokenly bubble is attached on impeller, and wheel rotation generate larger centrifugal force
Under the action of thrown away and come back in cooking cavity on the liquid level of cooking food towards periphery, vapor then can be from the blade of impeller
Gap enters above-mentioned cavity, is then discharged from exhaust outlet, simultaneously so that impeller can be far from pot cover inner surface, and then can
So that impeller smoothly rotates.
In any of the above-described technical solution, it is preferable that upright projection of the kuppe lower port on impeller is without departing from impeller
Edge；Or upright projection of the kuppe lower port on impeller exceeds vane edge, is d2 beyond value, the value range of d2 is：
0mm ＜ d2≤2mm.
In the technical scheme, by setting without departing from impeller side upright projection of the kuppe lower port on impeller to
Edge, or set beyond vane edge upright projection of the kuppe lower port on impeller to, the value range beyond value d2 is：
0mm ＜ d2≤2mm avoid vapor and bubble in pot body and are directly entered in kuppe by the gap between impeller and kuppe
It is discharged by exhaust outlet, ensure that the anti-spilled effect of the fast exhaust component of pressure cooker.
In any of the above-described technical solution, it is preferable that the longitudinal section shape perpendicular to pot cover direction of kuppe is square
Shape is trapezoidal.
In the technical scheme, the shape of kuppe could be provided as cylindrical or truncated cone-shaped.
In any of the above-described technical solution, it is preferable that the geometric center of exhaust outlet is at a distance from the pivot center of impeller
R1, exhaust outlet interior diameter are d1, and impeller radius r2, kuppe upper end port radius is R1, and kuppe lower end port radius is R2；Its
In, r1+d1/2<R1, r2+4mm >=R2.
In the technical scheme, the geometric center of exhaust outlet is r1 at a distance from the pivot center of impeller, straight in exhaust outlet
Diameter is d1, and impeller radius r2, kuppe upper end port radius is R1, and kuppe lower end port radius is R2, meets r1+d1/2<R1,
When r2+4mm >=R2 relationships, the anti-overflow effect of the fast exhaust component of pressure cooker can ensure that.
In any of the above-described technical solution, it is preferable that impeller is provided with radial blade.
In the technical scheme, the impeller with radial blade is capable of providing enough centrifugal force and is steamed to water in pot body
Gas and bubble carry out the separation of gas and liquid.
Another purpose according to the present invention, the present invention propose a kind of pressure cooker and include：And such as any of the above-described technical side
The fast exhaust component of pressure cooker described in case.
Pressure cooker provided by the invention, because including the Quick air-discharge group of pressure cooker as described in any of the above-described technical solution
Part, therefore whole advantageous effects of the fast exhaust component with above-mentioned pressure cooker, do not do state one by one herein.
The additional aspect and advantage of the present invention will become apparent in following description section, or practice through the invention
Recognize.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 shows not include that the structure of pot body is shown in the fast exhaust component of pressure cooker provided by one embodiment of the present invention
It is intended to；
Fig. 2 shows the structural schematic diagrams of impeller in the fast exhaust component of pressure cooker shown in FIG. 1；
Fig. 3 shows the front view of impeller shown in Fig. 2；
Fig. 4 shows the air-liquid separation principle schematic diagram of the fast exhaust component of pressure cooker shown in FIG. 1；
Fig. 5 shows the cooperation of pot cover, impeller, kuppe and exhaust outlet in the fast exhaust component of pressure cooker shown in FIG. 1
Schematic diagram；
Fig. 6 show another embodiment of the present invention provide pressure cooker fast exhaust component in impeller, kuppe, exhaust
The cooperation schematic diagram of mouth；
Fig. 7 show another embodiment of the present invention provide pressure cooker fast exhaust component in impeller, kuppe, exhaust
The cooperation schematic diagram of mouth；
Fig. 8 shows that impeller, exhaust outlet are matched in the fast exhaust component of the pressure cooker that another embodiment of the present invention provides
Close schematic diagram；
Fig. 9 shows the structural schematic diagram of the pressure cooker of one embodiment of the invention.
Wherein, the correspondence in Fig. 1 to Fig. 9 between reference numeral and component names is：
1 pressure cooker, the fast exhaust component of 10 pressure cookers, 12 pot bodys, 14 pot covers, 16 exhaust outlets, 18 kuppes, 20 leaves
Wheel, 22 rotation axis, 24 motors, 242 output shafts, 26 sealing elements.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Referring to Fig. 1 to Fig. 9 describe described according to some embodiments of the invention pressure cooker fast exhaust component 10 and
Pressure cooker 1.
As shown in Figures 1 to 8, embodiment according to a first aspect of the present invention, the present invention propose a kind of the quick of pressure cooker
Gas deflation assembly 10, including pot body 12 and pot cover 14,14 cover buckle of pot cover surround closed culinary art in pot body 12 and with pot body 12
Chamber is provided with the exhaust outlet for cooking cavity to be connected to external environment on pot cover；The fast exhaust component (10) of pressure cooker is also
Including：Impeller 20 is located in cooking cavity and pivots cooperation with pot cover 14；And the driving unit rotated for impeller 20,
Wherein, impeller is revolving structure.
The fast exhaust component 10 of pressure cooker provided by the invention is matched by being arranged in cooking cavity with 14 phase of pot cover pivot
The impeller 20 of conjunction, when culinary art terminates, the high-pressure steam and bubble inside pot body 12 will pass through impeller 20 in advance, then via row
Gas port 16 is discharged, and when vapor and bubble are when by impeller 20, by 20 high speed rotation of driving unit impeller, and leaf
20 rotation of wheel will generate centrifugal force, and the formula of centrifugal force is：FFrom=m ω ^2r, wherein m is quality, and ω is angular speed, and r is
Radius, under angular speed and radius unanimous circumstances, since the quality of the liquid of equal volume is much larger than gas, liquid
Suffered centrifugal force will be much larger than gas so that liquid can not be by impeller 20, but is isolated by impeller 20, and gas energy
Enough be discharged by gas vent by impeller 20, to realize air-liquid separation, and then realize pressure cooker 1 it is anti-spilled with it is quick
Decompression so that user need not wait for 1 cooling decompression of pressure cooker for a long time, realize the quick unlatching of pressure cooker 1, and then promoted
The usage experience of user, also, pass through driving unit impeller 20 and rotate so that impeller 20 has sufficiently fast rotating speed
Enough centrifugal force is generated, and using the impeller 20 of revolving structure, ensure that vapor in all directions and the equal nothing of bubble
Method is directly excluded by exhaust outlet 16, meanwhile, 20 rotating effect of impeller of revolving structure is steady, the centrifugation force difference of each marginal position
Away from smaller, the air-liquid separating effect with stabilization, on the other hand, due to before gas discharges, being broken by impeller 20
Bubble so that gas can smoothly be discharged via exhaust outlet 16, to reduce exhaust noise, meanwhile, exhaust outlet 16 is arranged
In impeller 20 within the scope of the upright projection of pot cover 14, it can effectively ensure vapor and bubble in cooking cavity, first pass through
Impeller 20, then by being discharged by exhaust outlet 16, ensure that the anti-spilled effect of the fast exhaust component 10 of pressure cooker.
In a particular embodiment, impeller 20 can be arranged in 14 center of pot cover, and the week in pot cover 14 can also be arranged
Side position.
Using pressure cooker 1 cook congee etc. sticky group food when, the reason of will appear overflowing pot phenomenon with exhaust mode decompression is
It cooks under stress, the temperature of congee can be more than 100 DEG C so that food is in an overheated state, opens exhaust outlet 16, congee at this time
Interior minimum bubble, which will expand rapidly, to become larger, and forms bumping state, and in the state of bumping, bubble can take liquid and food
Object particle is flowed toward 16 direction of exhaust outlet, is finally sprayed outward at exhaust outlet 16, is led to the generation of overflowing pot.
As shown in figure 4, the fast exhaust component 10 of pressure cooker provided by the invention, principle is according to centrifugal force formula FFrom
=m ω ^2r, wherein m is quality, and ω is angular speed, and r is radius, and in the case of identical radius and angular speed, quality is got over
Big centrifugal force is bigger, and therefore, according to this rule, the present invention divides according to the high-speed rotating mode substance different to proportion
From, under conditions of 1.5 times of atmospheric pressure (pressure limit that electric pressure cooking saucepan 1 is cooked congee), the density of vapor is 0.84kg/m^3, and
The density of water is 1000kg/m^3, and the two differs by more than 1000 times, therefore, can be by gas and liquid by high-speed rotating mode
Body is detached.
In one embodiment of the invention, it is preferable that as shown in Figures 1 to 9, pivot center and the pot body 12 of impeller 20
Centerline axis parallel or coincidence.
In this embodiment, the pivot center of impeller 20 is set as parallel with the central axis of pot body 12 or overlapped,
Impeller 20 is rotated perpendicular to 16 discharge directions of exhaust outlet, so that 20 direction of rotation of impeller can be perpendicular to air-flow
Air-liquid separation can be better achieved in flow direction.
In another embodiment of the present invention, it is preferable that the central shaft of the pivot center and pot body 12 of the impeller 20
An included angle A is formed between line, the value range of A is：0 ° of A≤16 ° ＜.
In this embodiment, the pivot center of impeller 20 is obliquely installed, so that impeller 20 is formed one in cooking cavity and inclines
Angle, i.e. impeller 20 and horizontal direction form an included angle A, in 20 high-speed rotation of impeller, the liquid that is generated after 20 brokenly bubble of impeller
Under the influence of centrifugal force, it is easier to be returned directly in cooking cavity on the liquid level of culinary art material.
In one embodiment of the invention, it is preferable that there is gap d 1 between 20 top end surface of pot cover 14 and impeller,
The value range of gap d1 is：0mm≤d1≤2mm.
In this embodiment, by by the value range of the gap d1 between 14 inner surface of pot cover and the upper surface of impeller 20
It is set as：0mm≤d1≤2mm, avoid in pot body vapor and bubble by 14 inner surface of pot cover and 20 upper surface of impeller it
Between gap be directly discharged by exhaust outlet 16, ensure that the anti-spilled effect of the fast exhaust component 10 of pressure cooker.
In one embodiment of the invention, it is preferable that as shown in Fig. 4 to Fig. 9, driving unit includes：Rotation axis 22, if
It sets on pot cover 14；Impeller 20, which synchronizes, to be connected in rotation axis 22.
In this embodiment, impeller 20 is connected to by rotation axis 22 on pot 14 so that and impeller 20 can smoothly rotate,
And the connection type is simple in structure, and material requested is few, and efficiency of assembling is high.
In a particular embodiment, rotation axis 22 can be an integral structure with pot cover 14, can also be split structure.
In another embodiment of the present invention, it is preferable that as shown in Fig. 4 to Fig. 9, driving unit further includes：Motor 24,
It is arranged on pot cover 14, is located on the outside of closed cooking cavity, motor 24 is provided with output shaft 242；It is provided with through-hole on pot cover 14,
Rotation axis 22 is arranged in through-hole and is connected with output shaft 242.
In this embodiment, it drives impeller 20 to rotate by motor 24, ensure that the rotary speed of impeller 20, it can be effective
Ground ensures that impeller 20 detaches the separating effect of gas and liquid, and motor 24 is arranged above pot cover 14, is carried out to motor 14
Protection, avoids motor 14 from being contacted with liquid, damages.
Further, the rotary power of impeller 20 can also be provided by the pressure difference between inside the cooking cavity and external world.
That is driving unit of the invention can also be provided in gas circuit or channel in pot cover and/or cooking cavity, it is outer inside to exist
In the case of pressure difference, impeller 20 is driven to rotate by the flowing of steam, as long as driving unit of the invention can make in a word
Impeller 20 is rotated to generate centrifugal force.
In one embodiment of the invention, it is preferable that as shown in Fig. 4 to Fig. 9, rotation axis 22 is one with output shaft 242
Body formula structure.
In this embodiment, rotation axis 22 is an integral structure with output shaft 242, and the mechanical property of integral structure is good,
The bonding strength between rotation axis 22 and output shaft 242 can be thus ensured, in addition, the rotation axis 22 of integral structure and output
Axis 242 can, the processing efficiency of product can be promoted, reduce the processing cost of product.
In a particular embodiment, rotation axis 22 and output shaft 242 may be set to be split structure, rotation axis 22 with it is defeated
Shaft 242 can also be directly connected using universal joint.
In one embodiment of the invention, it is preferable that as shown in Fig. 4 to Fig. 9, be provided between through-hole and rotation axis 22
Sealing element 26.
In this embodiment, by the way that sealing element 26 is arranged between through-hole and rotation axis 22, to ensure pressure cooker cavity
Seal ensures that pressure cooker being capable of normal use.
Wherein it is preferred to be provided with sealing ring between through-hole and rotation axis 22.
In one embodiment of the invention, it is preferable that the inside of pot cover 14, which is provided with towards cooking cavity, to be extended internally
Kuppe 18, in a ring, the inner surface of the upper surface of impeller 20, the inner wall of kuppe 18 and pot cover 14 encloses kuppe 18 jointly
At a cavity, exhaust outlet 16 is conducted to external environment by cavity.
In this embodiment, pass through the upper surface of impeller 20, the inner surface of the inner wall of annular kuppe 18 and pot cover 14
Cavity is formed, impeller 20 rotates at the air inlet of the cavity, and when opening exhaust outlet 16 is exhausted, the water for cooking generation steams
Gas and bubble can only first pass through impeller 20 and enter cavity, be then discharged again via exhaust outlet 16, be passed through in vapor and bubble
When crossing impeller 20, the high-speed rotation of impeller 20 makes bubble breaking, the liquid generated after brokenly bubble be attached on impeller 20, and in impeller
It is thrown away and is come back in cooking cavity on the liquid level of cooking food towards periphery under the action of the larger centrifugal force that 20 rotations generate,
Vapor then can enter above-mentioned cavity from the impeller clearance of impeller 20, be then discharged from exhaust outlet 16, simultaneously so that impeller 20
Can be far from 14 inner surface of pot cover, and then impeller 20 is enabled to smoothly to rotate.
In a particular embodiment, it can also prevent air-liquid mixture from directly being flowed without impeller 20 using other assemblies
To at exhaust outlet 16.
In one embodiment of the invention, it is preferable that as shown in fig. 4 to fig. 6 and Fig. 9,18 lower port of kuppe exists
Upright projection on impeller 20 is without departing from 20 edge of impeller.
In this embodiment, by setting without departing from impeller upright projection of 18 lower port of kuppe on impeller 20 to
20 edges avoid vapor and bubble in pot body and are directly entered in kuppe 18 by the gap between impeller 20 and kuppe 18
It is discharged by exhaust outlet 16, ensure that the anti-spilled effect of the fast exhaust component 10 of pressure cooker.In another implementation of the present invention
In example, it is preferable that as shown in fig. 7, upright projection of 18 lower port of kuppe on impeller 20 exceeds 20 edge of impeller, beyond value
Value range for d2, d2 is：0mm ＜ d2≤2mm.
In this embodiment, by setting upright projection of 18 lower port of kuppe on impeller 20 to exceed impeller 20
Edge, the value range beyond value d2 are：0mm ＜ d2≤2mm avoid in pot body vapor and bubble by impeller 20 and water conservancy diversion
Gap between cover 18 is directly entered in kuppe 18 and is discharged by exhaust outlet 16, ensure that the anti-of the fast exhaust component of pressure cooker
Spill-over effects.
In one embodiment of the invention, it is preferable that as shown in Fig. 4, Fig. 5, Fig. 7 and Fig. 9, kuppe 18 perpendicular to
The longitudinal section shape in 14 direction of pot cover is rectangle.
Wherein it is preferred to which kuppe 18 is shaped to cylinder, this kind of kuppe 18 is simple in structure, is easy to raw
Production manufacture, improves production efficiency.
In a particular embodiment, any geometry may be used in kuppe 18.
In another embodiment of the present invention, it is preferable that as shown in fig. 6, kuppe 18 perpendicular to 14 direction of pot cover
Longitudinal section shape be it is trapezoidal.
Wherein it is preferred to which kuppe 18 is shaped to truncated cone-shaped, this kind of kuppe 18 is simple in structure, is easy to raw
Production manufacture, improves production efficiency；What is more important makes water conservancy diversion due to setting kuppe 18 to up big and down small structure
Cover 18, the cavity that surrounds jointly of pot cover 14 and impeller 20 are utilizing impeller 20 in the gradual increased cavity in space from the bottom to top
After carrying out vapor-liquid separation processing to steam bubble, during rising, space gradually increases steam, and steam is made to be easier to transport upwards
It is dynamic, it avoids 20 high-speed rotation of impeller and vapor action and generates larger noise.
In one embodiment of the invention, it is preferable that as shown in Fig. 4 to Fig. 9, the geometric center and impeller of exhaust outlet 16
The distance of 20 22 line of rotation axis is r1, and 16 interior diameter of exhaust outlet is d1, and 20 radius of impeller is r2,18 upper end port radius of kuppe
For R1,18 lower end port radius of kuppe is R2；Wherein, r1+d1/2<R1, r2+4mm >=R2.
In this embodiment, the geometric center of exhaust outlet 16 is r1, exhaust outlet at a distance from 22 line of rotation axis of impeller 20
16 interior diameters are d1, and 20 radius of impeller is r2, and 18 upper end port radius of kuppe is R1, and air scoop lower end port radius is R2, is met
r1+d1/2<When R1, r2+4mm >=R2 relationship, the anti-overflow effect of the fast exhaust component 10 of pressure cooker can ensure that.
In one embodiment of the invention, it is preferable that as shown in Figures 1 to 9, impeller 20 is provided with radial leaf
Piece.
In the technical scheme, the impeller 20 with radial blade is capable of providing enough centrifugal force to water in pot body
Steam and bubble carry out the separation of gas and liquid.
In a particular embodiment, impeller 20 may be set to be the shape that other are capable of providing centrifugal force.
As shown in figure 9, according to the second aspect of the invention in embodiment, it includes such as that the present invention, which proposes a kind of pressure cooker 1,
The fast exhaust component 10 for the pressure cooker that any of the above-described embodiment provides.
Pressure cooker 1 provided by the invention, because including the fast exhaust component of the pressure cooker provided such as above-mentioned any embodiment
10, therefore whole advantageous effects of the fast exhaust component 10 with above-mentioned pressure cooker, it does not do state one by one herein.
The fast exhaust component 10 of pressure cooker provided by the invention and pressure cooker 1, when exhaust outlet 16 is opened, gas, liquid
To mix and be moved to 16 direction of exhaust outlet, due to the barrier effect of kuppe 18, gas, liquid mixture to row
Gas port 16 has to pass through high-speed rotating impeller 20 during moving, and high-speed rotating impeller 20 will mix gas, liquid
The effect that object generates centrifugal force is closed, is far longer than gas since the ratio of liquid is important, the centrifugation force effect that liquid is subject to is wanted
Much larger than gas, therefore liquid will be thrown out of outside kuppe 18, and gas can then stay in kuppe 18, eventually by exhaust
Mouth 16 is discharged, and cover assembly 10 provided by the invention is realized with pressure cooker 1 while being vented decompression by this method, is kept away
The spilling of liquid component is exempted from.
Through practical test, the decompression cooked congee using the pressure cooker 1 of the fast exhaust component 10 of pressure cooker provided by the invention
Time can foreshorten to 2min by 40min to 60min.
As shown in figure 5, in one embodiment of the invention, it is preferable that impeller 20 is mounted on the center of pot cover 14,
20 top of impeller is provided with kuppe 18, and kuppe 18 is cylinder, and the lower face air inlet of kuppe 18 is no more than impeller 20
Edge, impeller 20 drives high speed rotation by motor 24, also, the output shaft 242 of motor 24 is an integral structure with rotation axis 22.
As shown in fig. 6, in another embodiment of the present invention, it is preferable that impeller 20 is mounted on the centre bit of pot cover 14
It sets, 20 top of impeller is provided with kuppe 18, and kuppe 18 is cone, and the lower face air inlet of kuppe 18 is no more than impeller
20 edges, impeller 20 drives high speed rotation by motor 24, also, the output shaft 242 of motor 24 and rotation axis 22 are integral type knot
Structure.
As shown in fig. 7, in another embodiment of the present invention, it is preferable that impeller 20 is mounted on the centre bit of pot cover 14
It sets, 20 top of impeller is provided with kuppe 18, and kuppe 18 is cylinder, and the lower face air inlet of kuppe 18 is more than impeller 20
Edge, also, the range for being more than is no more than 2mm, and impeller 20 drives high speed rotation, also, the output shaft of motor 24 by motor 24
242 are an integral structure with rotation axis 22.
As shown in figure 8, in another embodiment of the present invention, it is preferable that impeller 20 is mounted on the centre bit of pot cover 14
It sets, exhaust outlet 16 is located at impeller 20 within the scope of the upright projection of pot cover, and pot cover inner surface 14 and impeller are set between 20 upper surface
It is equipped with the gap no more than 2mm, impeller 20 drives high speed rotation, also, the output shaft 242 and rotation axis of motor 24 by motor 24
22 are an integral structure.
In another embodiment of the present invention, it is preferable that impeller 20 be mounted on pot cover 14 center, pot cover 14 with
The gap no more than 2mm is provided between 20 top end surface of impeller, impeller 20 is by the pressure difference between 1 inside of pressure cooker and the external world
Driving and then high speed rotation, rotation axis 22 are an integral structure with pot cover 14.
In conclusion the fast exhaust component 10 of pressure cooker provided by the invention, passes through setting and pot cover in cooking cavity
14 phases pivot the impeller 20 of cooperation, and when culinary art terminates, the high-pressure steam and bubble inside pot body 12 will pass through impeller in advance
20, then be discharged via exhaust outlet 16, and when vapor and bubble are when by impeller 20, since high pressure draught is by impeller
20 rotations, and the rotation of impeller 20 will generate centrifugal force, and the formula of centrifugal force is：FFrom=m ω ^2r, wherein m is quality, and ω is
Angular speed, r are radius, under angular speed and radius unanimous circumstances, since the quality of the liquid of equal volume is much larger than gas,
Therefore, the centrifugal force suffered by liquid will be much larger than gas so that liquid can not be by impeller 20, but is detached by impeller 20
Go out, and gas can be discharged by impeller 20 by gas vent, to realize air-liquid separation, and then realize the anti-of pressure cooker 1
Spilling and fast decompression so that user need not wait for 1 cooling decompression of pressure cooker for a long time, realize quickly opening for pressure cooker 1
It opens, and then improves the usage experience of user, also, rotated by driving unit impeller 20 so that impeller 20 has foot
Fast rotating speed is reached to generate enough centrifugal force, and using the impeller 20 of revolving structure, ensure that vapor in all directions
And bubble can not be excluded directly by exhaust outlet 16, meanwhile, 20 rotating effect of impeller of revolving structure is steady, each margin location
The centrifugation gap edge set is smaller, has stable air-liquid separating effect, on the other hand, due to before gas discharges, passing through leaf
Wheel 20 carries out brokenly bubble so that gas can smoothly be discharged via exhaust outlet 16, to reduce exhaust noise.
Herein it should be noted that the above-mentioned technical proposal of the present invention is rotated using 24 impeller 20 of motor, at this
Other of invention can also utilize other be capable of the mechanism that impeller 20 rotates in realization scheme, for example, rotary cylinder or
Person is wind drive mechanism, and those skilled in the art can in the prior art select to drive according to the function that driving unit is realized
The mechanism that impeller 20 rotates, does not do excessively repeat herein.
In the present invention, the terms such as term " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example,
" connection " may be fixed connection or may be dismantle connection, or integral connection；" connected " can be directly connected,
It can be indirectly connected through an intermediary.For the ordinary skill in the art, on can understanding as the case may be
State the concrete meaning of term in the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the present invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of fast exhaust component of pressure cooker, including：Pot body and pot cover, the pot cover cover buckle in the pot body and with
The pot body surrounds closed cooking cavity, and the exhaust for the cooking cavity to be connected to external environment is provided on the pot cover
Mouthful；It is characterized in that, the fast exhaust component of the pressure cooker further includes：Impeller, be located at the cooking cavity in and with the pot
Lid pivots cooperation；And
Driving unit for driving the wheel rotation；
Wherein, the impeller is revolving structure.
2. the fast exhaust component of pressure cooker according to claim 1, which is characterized in that
The pivot center of the impeller and the centerline axis parallel of the pot body overlap.
3. the fast exhaust component of pressure cooker according to claim 1, which is characterized in that the pivot center of the impeller with
An included angle A is formed between the central axis of the pot body, the value range of A is：0 ° of A≤16 ° ＜.
4. the fast exhaust component of the pressure cooker according to any one of Claims 2 or 3, which is characterized in that
It is with gap d 1, the value range of the gap d 1 between the pot cover and the impeller top end surface：0mm≤d1≤
2mm。
5. the fast exhaust component of pressure cooker according to claim 1, which is characterized in that the driving unit includes：
Rotation axis is arranged on the pot cover；
The impeller, which synchronizes, to be connected in the rotation axis.
6. the fast exhaust component of pressure cooker according to claim 5, which is characterized in that the driving unit further includes：
Motor is arranged on the pot cover, is located on the outside of the closed cooking cavity, the motor is provided with output shaft；
Through-hole is provided on the pot cover, the rotation axis is arranged in the through-hole and is connected with the output shaft.
7. the fast exhaust component of pressure cooker according to claim 6, which is characterized in that
It is provided with sealing element between the through-hole and the rotation axis.
8. the fast exhaust component of pressure cooker as described in claim 1, which is characterized in that
It is provided on the inside of the pot cover towards the cooking cavity and extends internally kuppe, the kuppe is in a ring, described
The inner surface of the upper surface of impeller, the inner wall of the kuppe and the pot cover surrounds a cavity jointly, the exhaust outlet by
The cavity is conducted to external environment.
9. the fast exhaust component of pressure cooker according to claim 8, which is characterized in that
Upright projection of the kuppe lower port on the impeller is without departing from the vane edge；Or
Upright projection of the kuppe lower port on the impeller exceeds the vane edge, is d2 beyond value, d2's takes
Value is ranging from：0mm ＜ d2≤2mm.
10. the fast exhaust component of pressure cooker according to claim 9, which is characterized in that
Longitudinal section shape of the kuppe perpendicular to the pot cover direction is rectangle or trapezoidal.
11. the fast exhaust component of pressure cooker according to claim 8, which is characterized in that
The geometric center of the exhaust outlet is r1 at a distance from the pivot center of the impeller, and the exhaust outlet interior diameter is d3,
The impeller radius is r2, and kuppe upper end port radius is R1, and kuppe lower end port radius is R2；
Wherein, r1+d3/2<R1, r2+4mm >=R2.
12. the fast exhaust component of pressure cooker according to claim 1, which is characterized in that
The impeller is provided with radial blade.
13. a kind of pressure cooker, which is characterized in that including：
The fast exhaust component of pressure cooker as described in any one of the claims 1 to 12.
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| CN201710038079.0A CN108324096B (en) | 2017-01-19 | 2017-01-19 | Quick exhaust assembly of pressure cooker and pressure cooker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710038079.0A CN108324096B (en) | 2017-01-19 | 2017-01-19 | Quick exhaust assembly of pressure cooker and pressure cooker |
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| CN108324096B CN108324096B (en) | 2021-02-23 |
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