CN110250920A - A kind of cooking apparatus and its steam valve module - Google Patents
A kind of cooking apparatus and its steam valve module Download PDFInfo
- Publication number
- CN110250920A CN110250920A CN201810825036.1A CN201810825036A CN110250920A CN 110250920 A CN110250920 A CN 110250920A CN 201810825036 A CN201810825036 A CN 201810825036A CN 110250920 A CN110250920 A CN 110250920A
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- Prior art keywords
- sealing
- steam
- lip
- valve body
- seal chamber
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Classifications
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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
- A47J27/004—Cooking-vessels with integral electrical heating means
-
- 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 invention discloses a kind of cooking apparatus and its steam valve modules, steam valve module includes valve body and the steam vent that is arranged on valve body, it further include the sealing device being sealed to steam vent, sealing device includes the sealing lip that steam vent is arranged in and goes out vapour side, it seals lip and valve body cooperates to form seal chamber, steam vent is connected with seal chamber, and steam vent goes out vapour side and is located in seal chamber；Sealing lip generates elastic deformation under seal chamber negative pressure, and the first sealing station so that steam valve partition is cooperatively formed with valve body；Lip is sealed in seal chamber direct draught, disengaging is cooperatively formed with valve body so that the second sealing station that steam valve is connected.The present invention directly cooperatively forms seal chamber using sealing lip and valve body, compared to the form of traditional sealing using the sealing good deformation sealing characteristics of lip, it is not necessary that sealing ring is arranged again on the valve body of downside, therefore structure is more simple, and cost is lower, and sealing effect is good.
Description
[technical field]
The present invention relates to machine for kitchen use more particularly to a kind of cooking apparatus and its steam valve module.
[background technique]
Presently commercially available electric cooker, grain of rice inside colloid difficulty absorb moisture, and hard outer soft mouthfeel is bad in the grain of rice, and human body difficulty disappears
Change and absorb, and food is oxidizable rotten in pot in long-time heat preservation.To solve current electric cooker rice during the cooking process
The oxidizable rotten deficiency of food in pot, can increase in electric cooker when colloid difficulty absorbs moisture and long-time heat preservation inside the grain of rice
Add a vacuum pump, air is discharged out of pot becomes vacuum low-pressure electric cooker.
Vacuum technique is higher to the sealing requirements of structure, especially at steam port, it is desirable that can open, make at high temperature
Steam is run out of, and when temperature is lower or other desired working stage, can have good sealing effect, so that can quilt inside rice cooker
It is evacuated.Sealing at existing steam port, sealing effect cannot be guaranteed, it is possible to continue gas leakage and be unable to reach sealing effect
Fruit；Some encapsulation schemes currently on the market, such as weight-adding hammer, there are the disadvantages of at high cost, structure is complicated.
[summary of the invention]
There is provided technical problem to be solved by the present invention lies in overcome the deficiencies in the prior art a kind of cooking apparatus and its
Steam valve module, effectively improves sealing effect.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of steam valve module further includes being sealed to the steam vent including valve body and the steam vent being arranged on valve body
Sealing device, the sealing device includes the sealing lip that the steam vent is arranged in and goes out vapour side, the sealing lip and institute
Valve body cooperation is stated to form seal chamber, the steam vent is connected with the seal chamber, and the steam vent goes out vapour side positioned at described
In seal chamber；The sealing lip generates elastic deformation under the seal chamber negative pressure, is cooperatively formed with the valve body so that steaming
First sealing station of steam valve partition；The sealing lip is cooperatively formed in the seal chamber direct draught, disengaging with the valve body
So that the second sealing station of steam valve conducting.
In above-mentioned steam valve module, the elastic deformation of the sealing lip includes the free end of the sealing lip by institute
State valve body sealing mating surface stop and deform outward formation the first deformation and the sealing lip lateral surface compression and to
The seal chamber side deforms the second deformation to be formed.
In above-mentioned steam valve module, the sealing device includes sealed body, and the sealing lip is arranged described close
Main body circumferential direction side is sealed, is equipped with the installation mating surface cooperated with the sealing mating surface of the valve body, institute on the downside of the sealed body
Plane where stating the free end of sealing lip is lower than plane where the installation mating surface.
In above-mentioned steam valve module, the sealed body includes guiding surface, and the guiding surface is matched from the installation
One side of conjunction face is tilted to sealing lip side side, and the steam vent is located at below the guiding surface.
In above-mentioned steam valve module, the valve body is equipped with mounting hole, and the sealed body is equipped with mounting portion, the installation
Portion and the mounting hole cooperate so that the installation mating surface and the sealing mating surface cooperatively form installation sealing state.
In above-mentioned steam valve module, the sealing lip in second sealing station is produced in the seal chamber direct draught
Elastic deformation is given birth to, the elastic deformation at second sealing station is that the medial surface of the sealing lip is pressurized to deform shape outward
At third deformation.
In above-mentioned steam valve module, the sealing lip includes linkage section and free segment, and the free segment is from the company
Circumferentially outside is connect at section to extend obliquely downward.
In above-mentioned steam valve module, the sealing lip is with the junction that the linkage section is connected with the free segment
DEFORMATION POINTS generates deformation, so that the sealing device switches between first sealing station and second sealing station.
In above-mentioned steam valve module, the angle between the linkage section and the free segment is greater than 90 degree and is less than 180 degree.
A kind of cooking apparatus, including steam valve module as described above, the cooking apparatus are electric cooker, in electric pressure pot
One kind, the cooking apparatus further includes vacuum evacuation device, and the vacuum evacuation device is so that the cooking cavity in cooking apparatus is formed
Negative pressure.
Beneficial effects of the present invention:
There is setting to go out vapour one in steam vent for steam valve module of the invention, the sealing device for being sealed to steam vent
The sealing lip of side, the sealing lip and the valve body cooperate to form seal chamber, and steam vent is connected with seal chamber, and the vapour
The hole side Chu Qi is located in the seal chamber；The present invention directly utilizes sealing using the sealing good deformation sealing characteristics of lip
Lip and valve body cooperatively form seal chamber, compared to the form of traditional sealing, it is not necessary that sealing is arranged again on the valve body of downside
Circle, seal chamber can be formed by only relying on sealing lip, therefore structure is more simple, and cost is lower, while reaching good sealing
Effect.The initial sealing effect that can be provided simultaneously generates shape so that can make sealing response that time for vacuumizing beginning
Become, realizes sealing.
Meanwhile sealing with steam discharge is vacuumized using sealing lip in order to realize, sealing device of the invention has
Two sealing stations, seal chamber air pressure be negative pressure state under, will so that the sealing lip generation elastic deformation, to make
Sealing device be in the first sealing station, to realize the sealed connection of sealing device and valve body, at this time the steam vent of steam valve and
Isolation, extraneous gas will be unable to enter seal chamber from the sealing surface that valve body and sealing lip are formed, thus avoid
The problem of steam valve is easy air inlet by negative pressure when vacuumizing ensure that is vacuumized goes on smoothly, and vacuumize to improve
Vacuum degree, and then improve the culinary art effect or fresh-keeping effect of cooking apparatus；When the air pressure of seal chamber be direct draught when, will so that
Sealing device is in the second sealing station, to realize the disengaging of sealing lip and valve body, is formed between valve body and sealing lip
Ventilative gap, steam vent can be in communication with the outside at this time, letting through steam valve, will be in cooking cavity to carry out pressure release to cooking cavity inside
The steam in portion is discharged from steam vent-seal chamber-gap, the final normal culinary art steam discharge for realizing cooking apparatus.
To sum up, the present invention, can be with by the way that the sealing device with above-mentioned sealing lip is arranged on steam valve module
Realize that steam valve steam vent and extraneous barrier open steam valve and realize normal pressure release row in normally culinary art steam discharge when vacuumizing
Vapour, compared to traditional sealing device, structure is more simple, and movement is more sensitive, while and can be big according to suffered air pressure
It is small, corresponding elastic deformation is generated, under negative pressure condition, Negative Pressure Difference is bigger, and sealing lip deformation quantity will become larger, to improve
Sealing effect when vacuumizing, under barotropic condition, positive differential pressure is bigger, and sealing lip, which is detached from the gap that valve body is formed, will also become
Greatly, steam discharge will be more unobstructed, therefore steam discharge effect will be more preferable than traditional sealing means.
Preferably, the sealing being maintained under concora crush is conducive to the smooth response vacuumized, avoid moment in pumping due to
It is sealed under concora crush between lip and valve body and causes ventilative risk there are gap.
These features and advantages of the invention will the detailed exposure in following specific embodiment, attached drawing.
[Detailed description of the invention]
Following further describes the present invention with reference to the drawings:
Fig. 1 is the schematic diagram of steam valve module in the embodiment of the present invention one；
Fig. 2 is the stereoscopic schematic diagram of valve body in the embodiment of the present invention one；
Fig. 3 is the schematic cross-sectional view of valve body upper steam vent in the embodiment of the present invention one；
Fig. 4 is the sealing device schematic diagram in the embodiment of the present invention one on valve body under concora crush；
Fig. 5 is the sealing device schematic diagram in the embodiment of the present invention one on valve body under negative pressure；
Fig. 6 is the sealing device schematic diagram for being in direct draught in the embodiment of the present invention one on valve body；
Fig. 7 is the structural schematic diagram of sealing device in the embodiment of the present invention two；
Fig. 8 is the stereoscopic schematic diagram of sealing device in the embodiment of the present invention two；
Fig. 9 is the schematic diagram of cooking apparatus in the embodiment of the present invention three.
[specific embodiment]
A kind of steam valve module of the invention further includes to the steam vent including valve body and the steam vent being arranged on valve body
The sealing device being sealed, the sealing device include the sealing lip that the steam vent is arranged in and goes out vapour side, the sealing
Lip and the valve body cooperate to form seal chamber, and the steam vent is connected with the seal chamber, and the steam vent goes out vapour side
In the seal chamber；The sealing lip generates elastic deformation under the seal chamber negative pressure, cooperates shape with the valve body
At the first sealing station for separating steam valve；The sealing lip is detached from and the valve body in the seal chamber direct draught
Cooperatively form the second sealing station so that steam valve conducting.The present invention has above-mentioned sealing by being arranged on steam valve module
The sealing device of lip, steam valve steam vent and extraneous barrier are opened and are steamed in normally culinary art steam discharge when may be implemented to vacuumize
Steam valve realizes normal pressure release steam discharge, and compared to traditional sealing device, structure is more simple, acts more sensitive (be no longer rely on
Self weight movement), while and corresponding elastic deformation can be generated according to suffered air pressure size, under negative pressure condition, negative pressure
Difference is bigger, and sealing lip deformation quantity will become larger, to improve sealing effect when vacuumizing, under barotropic condition, positive differential pressure
Bigger, sealing lip, which is detached from the gap that valve body is formed, will also become larger, and steam discharge will be more unobstructed, therefore steam discharge effect will be than traditional
Sealing means are more preferable.
The technical solution of the embodiment of the present invention is explained and illustrated below with reference to the attached drawing of the embodiment of the present invention, but under
It states embodiment to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art
Obtained other embodiments without making creative work, belong to protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " clockwise ", " inverse
The orientation or positional relationship of the instructions such as hour hands " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Embodiment one
Referring to Fig.1,2, the steam valve module that the embodiment of the present invention one proposes, including valve body 100 and sealing device 200, valve
Body 100 is equipped with bonnet 300, and sealing ring 400 is equipped between bonnet 300 and valve body 100, offers steam vent 110 on valve body 100,
Sealing device 200 is used for the sealing of steam vent 110.The steam vent 110 of steam valve module is used for outside pressure release steam discharge, the process of culinary art
In, the pressure release inside cooking apparatus may be implemented.
As shown in Figures 2 and 3,100 bottom of valve body of the present embodiment offers steam vent 110, in not set sealing device 200
When, steam vent 110 is connected with the steam channel inside valve body 100.The steam vent 110 of 100 bottom of valve body can be set one or more
It is a, in the present embodiment, set in the bottom of valve body 100 there are two steam vent 110, two 110 concentrated settings of steam vent are in 100 bottom of valve body
Mounting hole 120 is set at centre, and in 100 bottom of valve body, this mounting hole 120 is for being fixedly mounted sealing device 200.
As shown in figure 4, sealing device 200 is mounted on valve body 100, and for being sealed to steam vent 110, sealing device
200 include sealing lip 220, and the sealing lip 220 setting goes out vapour side in steam vent 110, can cooperatively form sealing with valve body 100
Chamber 250, steam vent 110 are connected with seal chamber 250, and steam vent 110 goes out vapour side and is located in seal chamber 250.
Using the sealing good deformation sealing characteristics of lip 220, directly cooperate shape using sealing lip 220 and valve body 100
At seal chamber 250, only relied on close compared to the form of traditional sealing it is not necessary that sealing ring is arranged again on the valve body 100 of downside
Envelope lip 220 can form seal chamber 250, therefore structure is more simple, and cost is lower, while reaching good sealing effect.
The initial sealing effect that lip can provide is sealed simultaneously, so that sealing response can be made that time for vacuumizing beginning, is produced
Raw deformation, realizes sealing.
The present embodiment realizes sealing, under different atmospheric pressure states, the present embodiment using the deformation behavior of sealing lip 220
Sealing lip 220 will generate elastic deformation, be in different sealing stations, be achieved in when vacuumizing the sealing of steam valve and
Pressure release steam discharge when normal culinary art, specific as follows:
By sealing the elastic deformation of lip 220, the sealing station for the sealing device 200 being arranged on valve body 100 has
First sealing station and the second sealing station as shown in FIG. 6 as shown in Figure 5 seals lip under the first sealing station
220 cooperate with valve body 100, and therefore, there are sealing surfaces between sealing lip 220 and valve body 100, so that being located at the close of vapour side
Envelope chamber 250 is isolated with the steam channel in valve body 100；Under the second sealing station shown in Fig. 6, lip 220 and valve body are sealed
100 are detached from, and seal and there is ventilative gap between lip 220 and valve body 100, so that seal chamber 250 is connected with steam channel.
First sealing station and the second sealing station are realized according to the atmospheric pressure state of seal chamber 250 to be switched, when steam vent 110 and
When being in negative pressure state in seal chamber 250, sealing lip 220, which will have towards 250 side of seal chamber, generates elastically-deformable trend,
So that sealing lip 220 and sealing mating surface 130 keep cooperating, sealing is formed；When in steam vent 110 and seal chamber 250 in just
When pressure condition, sealing lip 220, which will have towards extraneous side, generates elastically-deformable trend, so that sealing lip 220 and sealing
Mating surface is detached from, and forms ventilative gap.
In order to improve the sealing effect of sealing device 200, after sealing device 200 installs, as shown in figure 4, sealing dress
200 are set i.e. in sealing state, are also even at sealing lip 220 under concora crush state and valve body 100 in seal chamber 250 at this time
Cooperation.The sealing device 200 under concora crush state is kept to be in sealing state, when needing to vacuumize cooking apparatus,
Due to just starting the moment of starting, sealing device 200 just be in sealing state, thus seal lip 220 and valve body 100 it
Between by keep seal, there is no ventilative gaps, thus avoid pumping the air inlet into cooking cavity of moment steam valve risk,
It is evacuated moment, sealing lip 220 will respond the effect of negative pressure at once, elastic deformation occurs, reaches a good sealing effect.Peace
During dress, the free end 223 for sealing lip 220 will be by the blocking of sealing mating surface 130 and to the week of sealed body 210
It generates the first deformation outward, and then forms sealing surface between valve body 100 and sealing lip 220, obstruction seals chamber 250 and outer
The connection on boundary.
In some embodiments, after sealing device 200 installs, it can also be not located at sealing state, it can be according to reality
Border situation is configured.
As shown in figure 5, showing the sealing state that steam valve module is in negative pressure state lower sealing device 200, work as sealing
When device 200 is by negative pressure, sealing device 200 will be in the first sealing station, and the air pressure P1 of seal chamber 250 will be less than outer at this time
Air pressure P0 in boundary's forms inside and outside differential pressure, and due to being influenced by negative pressure, the lateral surface for sealing lip 220, which will be pressurized, generates elastic shape
Become, to keep sealing lip 220 and seal the cooperation of mating surface 130, between sealing lip 220 and sealing mating surface 130
Sealing surface is formed, extraneous gas is avoided to enter in seal chamber 250, realizes the sealing isolation of the steam valve under evacuated state.
When in seal chamber 250 by negative pressure, the lateral surface for sealing lip 220 will be pressurized, and force sealing lip 220 towards seal chamber 250
Side generates the second deformation, seals lip 220 under negative pressure state, can generate corresponding bullet according to suffered air pressure size
Property deformation, Negative Pressure Difference is bigger, and the deformation quantity of sealing lip 220 will become larger, to improve sealing effect when vacuumizing.
As shown in fig. 6, showing the sealing state that steam valve module is in barotropic state lower sealing device 200；Work as sealing
When device 200 is by positive pressure, sealing device 200 will be in the second sealing station, and the air pressure P1 of seal chamber 250 will be greater than outer at this time
Air pressure P0 in boundary's forms inside and outside differential pressure, and due to being influenced by positive pressure, the medial surface for sealing lip 220, which will be pressurized, generates elastic shape
Become, so that sealing lip 220 and the sealing mating surface 130 of valve body 100 are detached from, forms ventilative gap, internal at this time
Steam will be entered in seal chamber 250 by steam vent 110, and then be entered by the gap between sealing lip 220 and valve body 100
Into external steam channel, pressure release steam discharge is realized.When in seal chamber 250 by positive pressure, the medial surface for sealing lip 220 will be by
Pressure forces sealing lip 220 to form third deformation outward, and under barotropic condition, positive differential pressure is bigger, seals lip
220 deformation quantities will also become larger, to increase ventilative gap, steam discharge will be more unobstructed, therefore steam discharge effect will be closeer than traditional
Envelope mode is more preferable.
There are two sealing stations for the tool of sealing device 200 of the present embodiment, are concora crush or negative pressure shape in the air pressure of seal chamber 250
Under state, will so that the sealing lip 220 generation elastic deformation, so that sealing device 200 is in the first sealing station, with
Realize the sealed connection of sealing device 200 and valve body 100, the steam vent 110 of steam valve is isolated from the outside world at this time, and extraneous gas is by nothing
Method enters seal chamber 250 from the sealing surface that valve body 100 and sealing lip 220 are formed, steam when thus avoiding vacuumizing
The problem of valve is easy air inlet by negative pressure ensure that is vacuumized goes on smoothly, to improve the vacuum degree vacuumized, Jin Erti
The high culinary art effect or fresh-keeping effect of cooking apparatus；It, also will be so that sealing lip when the air pressure of seal chamber 250 is direct draught
220 generate elastic deformation, so that sealing device 200 is in the second sealing station, to realize sealing lip 220 and valve body
100 disengaging forms ventilative gap between valve body 100 and sealing lip 220, and steam vent 110 can be in communication with the outside at this time, lead
Logical steam valve is arranged the steam inside cooking cavity from the gap seal chamber 250- steam vent 110- with carrying out pressure release to cooking cavity inside
Out, the normal culinary art steam discharge of cooking apparatus is finally realized.
In some alternative embodiments of the present embodiment, lip is sealed when the seal chamber direct draught, may make sealing
Lip or sealing device be whole to float or movement upwards, to be detached from the cooperation with valve body, without generate elastic deformation with
Form third deformation as described above.Lip or sealing device are sealed by way of generating displacement between valve body, so that close
Envelope lip is in the second sealing station, realizes the conducting of steam vent, completes pressure release steam discharge.
Embodiment two:
This implementation proposes a kind of steam valve sealing means, and the sealing device that the present embodiment proposes can be applied to embodiment
In the one steam valve module proposed；
As shown in FIG. 7 and 8, the sealing device 200 of the present embodiment includes sealed body 210, and sealing lip 220 is arranged in institute
The circumferential side of sealed body 210 is stated, is equipped on the downside of the sealed body 210 and cooperates with the sealing mating surface 130 of the valve body 100
Installation mating surface 211, the 223 place plane of free end of the sealing lip 220 is flat lower than where the installation mating surface 211
Face；The installation mating surface 211 of setting will cooperate, due to 223 place plane of free end after installing with sealing mating surface 130
Lower than installation 211 place plane of mating surface, therefore, sealing lip 220 will be in sealing state after installing；It is specific:
As shown in fig. 7, height of the installation mating surface 211 apart from 210 top surface of sealed body is H1, seal the free end 223 of lip 220 away from
Height from 210 top surface of sealed body is H2, therefore as shown in figure 4, when installation mating surface 211 and sealing mating surface 130 cooperate
Afterwards, the free end 223 for sealing lip 220 will be produced by the blocking of sealing mating surface 130 to the outer circumferential of sealed body 210
Raw first deformation, and then sealing surface, obstruction seals chamber 250 and extraneous company are formed between valve body 100 and sealing lip 220
It is logical；In some embodiments, in order to enable sealing lip 220 generates the first deformation, if not using sealing device 200 by setting
It sets if the mounting hole 120 of 100 bottom of valve body carries out installation fixation, does not use the sealing mating surface 130 of valve body 100 in other words
If carrying out installation fixation, the technological means which can be not limited to the present embodiment and attached drawing is proposed is not provided with pacifying
Mating surface 211 is filled, carrying out installation by other positions of sealed body 210, fixed (100 part of valve body adds that top is fixed to be consolidated
Determine portion, the top of sealed body 210 is fixedly connected with fixed part, control the height of fixed part, guarantees that sealing lip 220 can produce
Raw first deformation), as long as sealing lip 220 can be made to generate first in sealing mating surface 130 in the mounted state
Installation sealing state is realized in deformation, it will be understood by those skilled in the art that the present invention works as examples and drawings institute without being limited thereto
The scheme shown.
For the ease of installation, enables and mating surface 211 and sealing 130 reliable fit of mating surface are installed, as shown in Figures 2 and 3,
The valve body 100 be equipped with mounting hole 120, as shown in fig. 7, the sealed body 210 be equipped with mounting portion, the mounting portion with it is described
Mounting hole 120 cooperates so that the installation mating surface 211 and the sealing mating surface 130 cooperatively form installation sealing state；Tool
Body, the mounting portion includes conical head 230, and size of the conical head 230 close to described installation 211 one end of mating surface is greater than
Its size far from described installation 211 one end of mating surface, so that sealing device 200 can pass through the realization of mounting hole 120
Installation, at this time preferably, mounting portion is elastic material；Further, the mounting portion includes connecting column 240, the connecting column
240 are set between the installation mating surface 211 and the conical head 230, and the size of the connecting column 240 is less than the conical head
230 close to the size for installing 211 one end of mating surface, so that the peace that the conical head 230 for passing through mounting hole 120 can be firm
In mounting hole 120, it is ensured that installation mating surface 211 and the cooperation for sealing mating surface 130.
Certainly, the installation fixation of sealing device 200 can also be using such as screw, buckle form, in order to sealing device
200 dismounting or cleaning.
In some embodiments, after sealing device 200 installs, it can also be not located at sealing state, it can be according to reality
Border situation is configured.Therefore the mounting portion of setting can be protected without the need for the reliable fit of installation mating surface and sealing mating surface
Sealing lip is held close to sealing mating surface, without generating the first deformation.
As shown in FIG. 7 and 8, to enable sealing lip 220 to possess the first and second sealing stations, sealing lip 220 is set
It is set to the structure type of linkage section 221 and free segment 222, free segment 222 has biggish deformability, and institute is constrained smaller,
Deformation is flexible, specifically: as shown in fig. 7, free segment 222 is arranged to from the linkage section 221 on the outside of circumferentially diagonally downward
Extend, from the point of view of Cong Tuzhong horizontal direction, the direction in distance of the free segment 222 apart from sealed body 210 circumferentially outside is gradually
Increase, with linkage section 221 connect root and sealed body 210 between at a distance from be less than between free end 223 and sealed body 210
Distance；From the point of view of vertical direction in figure, free segment 222 apart from sealing mating surface 130 distance circumferentially lateral direction be by
It is decrescence small.In order to form sealing, sealing lip 220 needs to form seal groove 213 in inside, so that valve body 100 cooperates
Afterwards, seal chamber 250 can be formed, seal groove 213 can have any shape, and for the ease of sealing, the seal groove 213 of the present embodiment is excellent
It is selected as annular groove, therefore, correspondingly, sealing lip 220 is preferably also annular.
When in seal chamber 250 by negative pressure, the lateral surface of free segment 222 will be pressurized, and force free segment 222 towards seal chamber
250 sides generate the second deformation, and since 222 deformation of free segment is free, and circumferentially, outside is extended obliquely downward, therefore negative
Under pressure condition, corresponding elastic deformation can be generated according to suffered air pressure size, Negative Pressure Difference is bigger, the deformation of free segment 222
Amount will become larger, to improve sealing effect when vacuumizing；
When in seal chamber by positive pressure, the medial surface of free segment 222 will be pressurized, and free segment 222 is forced to deform shape outward
At third deformation.Similarly, the free segment 222 of above structure form, under barotropic condition, positive differential pressure is bigger, seals lip 220
Deformation quantity will also become larger, to increase ventilative gap, steam discharge will be more unobstructed, therefore steam discharge effect will be than traditional sealing side
Formula is more preferable.
In some alternative embodiments of the present embodiment, lip is sealed when the seal chamber direct draught, may make sealing
Lip or sealing device be whole to float or movement upwards, to be detached from the cooperation with valve body, without generate elastic deformation with
Form third deformation as described above.Lip or sealing device are sealed by way of generating displacement between valve body, so that close
Envelope lip is in the second sealing station, realizes the conducting of steam vent, completes pressure release steam discharge.In specific embodiment, it can to connect
The length elongation of column, and sealing device is floated up and down in mounting hole, sealing can control by the length of connecting column
The stroke of device float, when by negative pressure, sealing lip lateral surface will be pressurized, and sealing device is forced to move downward, and seal lip
When moving downward, blocking of the free end by sealing mating surface will generate elastic deformation, the first deformation be formed, so that close
The gradually generation for sealing chamber and valve body seals, and when sealing mating surface and installation mating surface cooperation, the sealing lip of compression will be generated
Second deformation completely cuts off outside air so that sealing lip is in the first sealing station completely, realizes the sealing under negative pressure.Positive pressure
Under state, the air pressure of seal chamber so that sealing lip can be detached from sealed valve body, will be realized so that sealing device integrally floats
Pressure release steam discharge stops floating when floating up to the range of connecting column, seals lip at this time and does not generate elastic deformation, and takes off
From the cooperation with valve body, ventilative gap is formed, completes the pressure release steam discharge of positive pressure.
Linkage section 221 is connect with sealed body 210, it is preferred that linkage section 221 is connect with 210 annular of sealed body, and edge
Outer circumferential extends, and the other positions in sealed body 210 can be set in linkage section 221, can not have to be arranged in circumferential side；
The linkage section 221 of outer circumferential extension is set, convenient for forming seal groove 213 in sealing device 200, and is easy to above-mentioned knot
The setting of the free segment 222 of configuration formula guarantees the deformability of sealing lip 220.
In the present embodiment, the junction for sealing lip 220 and being connected with the linkage section 221 with the free segment 222
Deformation is generated for DEFORMATION POINTS, so that the sealing device 200 is between first sealing station and second sealing station
Switching, to improve the elastic sensitivity of sealing lip 220 depressed.
In above structure form, in order to realize good sealing, the angle between linkage section 221 and free segment 222 is greater than
90 degree be less than 180 degree, preferably 120 degree.Being arranged to 120 degree can make sealing lip 220 close in the first sealing station and second
Switch between envelope position more freely, improves the elastic sensitivity of sealing lip 220 depressed.
In the present embodiment, in order to enable the gas that steam vent 110 enters can smoothly be discharged along the direction for sealing lip 220,
Therefore specifically, the sealed body 210 includes guiding surface 212, the guiding surface 212 is from the installation mating surface 211
One side is tilted to 220 side of sealing lip side, and the steam vent 110 is located at 212 lower section of guiding surface.Due to guiding surface 212
Presence, therefore, gas can reach sealing lip 220 under the action of guiding surface 212, and then to sealing lip 220 inside
Face effect realizes the pressure release steam discharge under barotropic state so that sealing lip 220 makes deformation reaction at once.
200 structure of sealing device of the present embodiment is simple, and sealing effect is good, low in cost, has and is vacuumizing and steam discharge
When good sealing effect.
Embodiment three:
As shown in figure 9, the present embodiment proposes a kind of cooking apparatus, including the steaming as described in embodiment one and embodiment two
Steam valve component 010 and sealing device 200, this cooking apparatus can be one of electric cooker or electric pressure pot, specifically include packet
Pot body 012 and upper cover 014 are included, the lid of upper cover 014 closes in pot body 012, liner 013 is placed in pot body 012, upper cover 014 is equipped with
Vacuum evacuation device 015 is realized and accelerates water suction and the functions such as fresh-keeping for vacuumizing to liner.
Steam valve module 010 is additionally provided on pot cover, steam valve module 010 is equipped with sealing device 200, passes through the sealing device
200 when may be implemented to vacuumize, and steam valve module is unlikely to air inlet, can letting through steam when needing steam discharge pressure release in cooking process
Pressure release is exhausted in valve, realizes that structure is simple, and sealing effect is good, feature at low cost.
The sealing device 200 of the various embodiments described above is made of flexible material, preferably silica gel, rubber material.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to attached drawing and interior described in specific embodiment above
Hold.Any modification without departing from function and structure principle of the invention is intended to be included in the range of claims.
Claims (10)
1. a kind of steam valve module, including valve body and the steam vent being arranged on valve body, which is characterized in that further include to the steam vent
The sealing device being sealed, the sealing device include the sealing lip that the steam vent is arranged in and goes out vapour side, the sealing
Lip and the valve body cooperate to form seal chamber, and the steam vent is connected with the seal chamber, and the steam vent goes out vapour side
In the seal chamber；The sealing lip generates elastic deformation under the seal chamber negative pressure, cooperates shape with the valve body
At the first sealing station for separating steam valve；The sealing lip is detached from and the valve body in the seal chamber direct draught
Cooperatively form the second sealing station so that steam valve conducting.
2. steam valve module as described in claim 1, which is characterized in that the elastic deformation of the sealing lip includes described close
The free end for sealing lip is sealed the first deformation and the sealing that mating surface stops and deforms formation outward by the valve body
Lip lateral surface is pressurized and deforms the second deformation to be formed to the seal chamber side.
3. steam valve module as claimed in claim 2, which is characterized in that the sealing device includes sealed body, described close
It seals lip setting and is equipped on the downside of sealed body circumferential direction side, the sealed body and matched with the sealing mating surface of the valve body
The installation mating surface of conjunction, plane is lower than plane where the installation mating surface where the free end of the sealing lip.
4. steam valve module as claimed in claim 3, which is characterized in that the sealed body includes guiding surface, described to lead
It is tilted to inclined-plane from one side of installation mating surface to sealing lip side side, the steam vent is located at below the guiding surface.
5. steam valve module as claimed in claim 3, which is characterized in that the valve body is equipped with mounting hole, the sealed body
Equipped with mounting portion, the mounting portion and mounting hole cooperation are so that the installation mating surface and the sealing mating surface cooperate shape
At installation sealing state.
6. steam valve module as described in claim 1, which is characterized in that the sealing lip in second sealing station in
The seal chamber direct draught generates elastic deformation, and the elastic deformation at second sealing station is the medial surface of the sealing lip
It is pressurized to deform the third deformation of formation outward.
7. the steam valve module as described in claim 1-6 is any, which is characterized in that the sealing lip includes linkage section and oneself
By section, circumferentially outside extends obliquely downward the free segment from the linkage section.
8. steam valve module as claimed in claim 7, which is characterized in that the sealing lip with the linkage section and it is described from
It is that DEFORMATION POINTS generates deformation by the junction that section is connected, so that the sealing device is in first sealing station and described second
Switch between sealing station.
9. steam valve module as claimed in claim 7, which is characterized in that the angle between the linkage section and the free segment
It is less than 180 degree greater than 90 degree.
10. a kind of cooking apparatus, which is characterized in that including the steam valve module as described in claim 1-9 is any, the culinary art
Utensil be one of electric cooker, electric pressure pot, the cooking apparatus further includes vacuum evacuation device, the vacuum evacuation device so that
Cooking cavity in cooking apparatus forms negative pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825036.1A CN110250920A (en) | 2018-07-25 | 2018-07-25 | A kind of cooking apparatus and its steam valve module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825036.1A CN110250920A (en) | 2018-07-25 | 2018-07-25 | A kind of cooking apparatus and its steam valve module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110250920A true CN110250920A (en) | 2019-09-20 |
Family
ID=67911852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810825036.1A Pending CN110250920A (en) | 2018-07-25 | 2018-07-25 | A kind of cooking apparatus and its steam valve module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110250920A (en) |
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| US11134808B2 (en) | 2020-03-30 | 2021-10-05 | Sharkninja Operating Llc | Cooking device and components thereof |
| US11627834B2 (en) | 2017-08-09 | 2023-04-18 | Sharkninja Operating Llc | Cooking system for cooking food |
| US11751710B2 (en) | 2019-02-25 | 2023-09-12 | Sharkninja Operating Llc | Guard for cooking system |
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