CN209153060U - Cooking apparatus and sealing ring for cooking apparatus - Google Patents
Cooking apparatus and sealing ring for cooking apparatus Download PDFInfo
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- CN209153060U CN209153060U CN201821313508.7U CN201821313508U CN209153060U CN 209153060 U CN209153060 U CN 209153060U CN 201821313508 U CN201821313508 U CN 201821313508U CN 209153060 U CN209153060 U CN 209153060U
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Abstract
The utility model discloses a kind of cooking apparatus and for the sealing ring of cooking apparatus, cooking apparatus includes: pot body, and pot body includes interior pot and interior pot limits the open cooking cavity in top；Pot cover, pot cover are movably installed between open and closed positions to pot body, for opening and closing the top opening of cooking cavity；Sealing ring, sealing ring is set to interior pot or pot cover, for the gap when pot cover is in the closed position, in sealing between the pot edge and pot cover of pot, wherein the linear expansion coefficient of sealing ring material therefor is more than or equal to 60x10‑6/ DEG C, after sealing ring expanded by heating, its volume increases to increase the value of interference fit of sealing ring and gap.According to the cooking apparatus of the utility model embodiment, sealing ring expanded by heating causes volume to increase, improve the compactness that sealing ring is connect with the pot edge of interior pot, pot cover, solves the problems, such as poor sealing effect, the sealing ring that structure can be used simpler simultaneously, manufacturing cost is reduced, the usage experience of user is improved.
Description
Technical field
The utility model relates to living electric apparatus technical fields, in particular to a kind of cooking apparatus and are used for cooking pot
The sealing ring of tool.
Background technique
Electric cooker in the related technology, is typically provided with sealing ring between lid and pot body, so that the interior formation of pot body avoided
Cavity promotes grain of rice water suction, or increasing rice fresh-keeping effect so as to form it into negative pressure state to closed cavity pumping
Fruit can also heat up to the cavity of sealing and form it into barotropic state, the grain of rice is promoted sufficiently to boil.Existing sealing ring mostly uses general
Logical silica gel material is made, and since its deflection is smaller, sealing ring, which slightly damages, will lead to seal failure, thus mostly will sealing
Ring design goes out more complex structure to promote deflection, guarantees sealing, but will lead to design of part complexity, manufacturing cost again in this way
Height, there are rooms for improvement.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model
One purpose is to propose a kind of cooking apparatus, the cooking apparatus good airproof performance, and user experience is good.
According to the cooking apparatus of the utility model first aspect embodiment, comprising: pot body, the pot body include interior pot and institute
It states interior pot and limits the open cooking cavity in top；Pot cover, the pot cover are movably pacified between open and closed positions
It is filled to the pot body, for opening and closing the top opening of the cooking cavity；Sealing ring, the sealing ring are set to the interior pot
Or the pot cover, for when the pot cover is in the closed position, between the pot edge and the pot cover of the sealing interior pot
Gap, wherein the linear expansion coefficient of the sealing ring material therefor be more than or equal to 60x10-6/ DEG C, when the sealing ring
After expanded by heating, its volume increases to increase the value of interference fit of the sealing ring Yu the gap.
According to the cooking apparatus of the utility model embodiment, with the cooking pot for using common material sealing ring in the related technology
Tool is compared, and is more than or equal to 60x10 by using linear expansion coefficient-6/ DEG C sealing ring so that culinary art cavity temperature increase
When, sealing ring expanded by heating causes volume to increase, so that the compactness that sealing ring is connect with the pot edge of interior pot, pot cover is improved,
Solves the problems, such as sealing ring poor sealing effect simultaneously, so that the sealing that cooking apparatus can be simpler using structure
Ring reduces manufacturing cost, improves the usage experience of user.
According to the cooking apparatus of the utility model embodiment, the pot cover include inner cover and set on the inner cover towards institute
The cover board of cooking cavity side is stated, the cover board can float relative to the inner cover, after the sealing ring expanded by heating, described close
The volume of seal ring increases to jack up the cover board.
According to the cooking apparatus of the utility model embodiment, the sealing ring includes: fixed part, and the fixed part is set to institute
State interior pot or the pot cover；Transverse sealing portion, the transverse sealing portion forms annular and connect with the fixed part, when the pot
When lid is in the closed position, the transverse sealing portion is located between the pot edge and the pot cover of the interior pot.
Optionally, the longitudinal section in the transverse sealing portion forms bar shaped；Or, the transverse sealing portion tool is Packed hollow
Chamber, for closing atmospheric air.
Optionally, the sealing ring further include: longitudinal seal, the longitudinal seal formed annular and along the vertical direction
Extend, the upper end of the longitudinal seal is connect with the fixed part or the transverse sealing portion.
Further, it is equipped at least two in the fixed part, the transverse sealing portion and the longitudinal seal
The rigid material part.
Optionally, the position of the pot edge of interior pot described in the face of the pot cover is equipped with the mounting ring along its circumferentially extending, institute
Stating sealing ring and being formed has open-topped sealing shroud, and the seal ring set is outside the mounting ring.
Further, the top opening of the sealing ring is necking, and the periphery of the necking and the mounting ring are clamped
It is connected, the sealing ring is made of at least one of flexible nylon material, foamed material.
According to the sealing ring for cooking apparatus of the utility model second aspect embodiment, comprising: fixed part, it is described solid
Determine pot cover or interior pot that portion is adapted to mount to the cooking apparatus；Sealing, the sealing connect with the fixed part, are used for
The gap between the pot cover and the pot edge of the interior pot is at least sealed, the linear expansion coefficient of the sealing ring material therefor is greater than
Or it is equal to 60x10-6/ DEG C, after the sealing ring expanded by heating, its volume increase to increase the sealing ring and the gap
Value of interference fit.
According to the sealing ring for cooking apparatus of the utility model embodiment, it is greater than by using linear expansion coefficient or waits
In 60x10-6/ DEG C sealing ring so that sealing ring can expand increase volume when heated, improve sealing ring and interior pot pot edge,
The compactness of the connection of pot cover solves the problems, such as sealing ring poor sealing effect, while can use simpler structure, with drop
Low manufacturing cost improves the usage experience of user.
According to the sealing ring for cooking apparatus of the utility model embodiment, the sealing ring uses flexible nylon material
At least one of material, foamed material are made.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram according to the cooking apparatus of the utility model embodiment；
Fig. 2 is the enlarged drawing of A structure in Fig. 1.
Fig. 3 is the structural schematic diagram according to the sealing ring of the utility model embodiment；
Fig. 4 is the scheme of installation according to the sealing ring of the utility model one embodiment；
Fig. 5 is the scheme of installation according to the sealing ring of the utility model another embodiment；
Fig. 6 is the scheme of installation according to the sealing ring of the utility model another embodiment；
Fig. 7 is the scheme of installation according to the sealing ring of the utility model further embodiment.
Appended drawing reference:
Cooking apparatus 100,
Pot body 10, interior pot 11, cooking cavity 12,
Pot cover 20, cover board 21, inner cover 22, mounting ring 23, pressure ring 24,
Sealing ring 30, fixed part 31, transverse sealing portion 32, longitudinal seal 33, hollow cavity 34, rigid material part 35, contracting
Mouth 36, transition seal portion 37.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.In addition, defining " first ", the feature of " second " can explicitly 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 or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Below with reference to Fig. 1-Fig. 7 description according to the cooking apparatus 100 of the utility model embodiment.
As shown in Fig. 1-Fig. 7, the cooking apparatus 100 according to the utility model one embodiment includes: pot body 10, pot cover 20
With sealing ring 30.
Pot body 10 includes interior pot 11, and interior pot 11 limits the open cooking cavity 12 in top, and pot cover 20 is mounted in pot body 10,
Pot cover 20 can be movable between open and closed positions, to open and close the top opening of cooking cavity 12, seals
Including ring 30 is arranged on pot 11 or pot cover 20, when pot cover 20 is in the closed position, sealing ring 30 is used for the pot edge of interior pot 11
With the clearance seal between pot cover 20.
Wherein, (linear expansion coefficient is also known as thermal linear expansion coefficient, i.e. solid to the linear expansion coefficient of 30 material therefor of sealing ring
At 1 DEG C of the every change of the temperature of substance, the variation of length and its length ratio at O DEG C) it is more than or equal to 60x10-6/ DEG C,
When pot cover 20 closes the top opening of cooking cavity 12, pot cover 20 and the pot edge of interior pot 11 clamp sealing ring 30, i.e. pot cover 20
Gap and sealing ring 30 between the pot edge of interior pot 11 are interference fitted, after 30 expanded by heating of sealing ring, 30 volume of sealing ring
Increase, the value of interference fit of sealing ring 30 Yu gap can be further increased.
According to the cooking apparatus 100 of the utility model embodiment, with cooking using common material sealing ring in the related technology
Utensil of preparing food is compared, and is greater than or equal to 60x10 by using linear expansion coefficient-6/ DEG C sealing ring 30 so that warm in cooking cavity 12
When degree increases, 30 expanded by heating of sealing ring causes volume to increase, to improve the pot edge of sealing ring 30 and interior pot 11, pot cover 20
The compactness of connection, while solving the problems, such as 30 poor sealing effect of sealing ring, so that cooking apparatus 100 can be using knot
The simpler sealing ring 30 of structure reduces manufacturing cost, improves the usage experience of user.
One embodiment according to the present utility model, pot cover 20 include inner cover 22 and cover board 21, and cover board 21 is arranged in inner cover
22 towards 12 side of cooking cavity, cover board 21 can float relative to inner cover 22, after 30 expanded by heating of sealing ring, sealing ring 30
Volume increases, and so as to jack up cover board 21, so that cover board 21 is jacked up the position that can not be floated to cover board 21 relative to inner cover 22, protects
The card leakproofness in cooking cavity 12 at this time, while sealing ring 30 also will continue to expand, so with the lower surface of cover board 21 and interior
The upper surface of 11 pot edges of pot is interference fitted connection, further improves the leakproofness of cooking cavity 12, and sealing ring 30 makes for a long time
With that will not fail in the process, the replacement cost of sealing ring is reduced, user improves user experience without carrying out replacement operation.
As shown in figure 3, one embodiment according to the present utility model, sealing ring 30 includes: fixed part 31 and transverse sealing
Portion 32, including fixed part 31 is arranged on the pot edge of pot 11, certain fixed part 31 can also be also disposed on pot cover 20, transverse sealing portion
32 form annular, and transverse sealing portion 32 is connect with fixed part 31, and when pot cover 20 is in the closed position, transverse sealing portion 32 connects
Including connecing between the pot edge of pot 11 and pot cover 20, and interior 11 pot edge of pot is tightly connected by transverse sealing portion 32 with pot cover 20.
By the way that transverse sealing portion 32 is arranged on sealing ring 30, transverse sealing portion 32 is made to be connected to pot edge and the pot of interior pot 11
Between lid 20, the sealing effect of sealing ring 30 is improved, and adaptation is connect with the pot edge of interior pot 11 by transverse sealing portion 32, into one
The phenomenon that step improves the leakproofness of cooking cavity 12, avoids 30 poor sealing of sealing ring that cooking cavity 12 is caused to leak air is improved
The usage experience of user.
In some instances, the longitudinal section in transverse sealing portion 32 forms bar shaped, and pot cover 20 compresses transverse sealing portion 32, so that
The upper surface in transverse sealing portion 32 and pot cover 20 only support connection, and the company of supporting is stopped in the lower surface in transverse sealing portion 32 and the pot edge of interior pot 11
It connects, to ensure that the leakproofness of cooking cavity 12.
When the heating of internal pot 11,30 expanded by heating volume of sealing ring increases, and makes the pot in transverse sealing portion 32 Yu interior pot 11
Connection is only supported along, pot cover 20, and connects as the temperature rises even closer, ensure that the leakproofness of cooking cavity 12.
As shown in figure 4, transverse sealing portion 32 has Packed hollow cavity 34 in other examples, hollow cavity 34 is used for
Atmospheric air is closed, when in cooking cavity 12 being negative pressure state, due to being normal atmosphere (An) in hollow cavity 34, in inside and outside differential pressure
Lower and sealing ring 30 hot expansibility is acted on, the wall of hollow cavity 34 can swell outward, so that cooking cavity can be promoted further
12 sealing effect, and negative pressure is bigger, what the wall of hollow cavity 34 was swollen is bigger, and leakproofness is better, and negative pressure keeps better, to solve
The leakproofness of existing sealing ring 30 of having determined slightly is deteriorated and will lead to the phenomenon that cannot keep of negative pressure in cooking cavity 12, avoids
Food materials can not fresh-keeping, the spoiled rotten problem of rice.
In addition, even if 30 aging of sealing ring leads to elastic variation, but the effect meeting that swells that 34 inside and outside differential pressure of hollow cavity generates
The problem after 30 material aging of compensation sealing ring is extended and is cooked to ensure that the leakproofness of sealing ring 30 is permanently effective
It prepares food the service life of utensil.
In some instances, pot cover 20 includes cover board 21, also has pressure ring 24 on pot cover 20, pressure ring 24 is located at cover board 21
Outside, and pressure ring 24, along the circumferentially extending of cover board 21, at least part of pressure ring 24 is pressed on sealing ring 30, thus will sealing
Ring 30 is fixed on cover board 21.
Further, 31 hook of fixed part is located on pressure ring 24, and the inside of fixed part 31 and the interference fit of cover board 21 connect,
The upper surface in transverse sealing portion 32 forms plane, and the company of supporting is stopped in a part of 24 lower surface of pressure ring and the upper surface in transverse sealing portion 32
It connects, improves the compactness and stability that pressure ring 24 is connect with transverse sealing portion 32, transverse sealing portion 32 is stablized
Between pot cover 20 and the pot edge of interior pot 11, avoids and be subjected to displacement influence leakproofness.
In some instances, sealing ring 30 further includes transition seal portion 37, and the inner edge in transverse sealing portion 32 passes through transition
Sealing 37 is connect with the outer periphery of fixed part 31, when pot cover 20 is in the closed position, transition seal portion 37 and interior pot 11 it
Between have gap, thus when transverse sealing portion 32 expand when, transition seal portion 37 can extend out therewith, without close with interior pot 11
The phenomenon that sealing-in touching influences the air pressure around hollow cavity 34, can not continue expansion to avoid transverse sealing portion 32.
Optionally, transition seal portion 37 from inside to outside, is gradually upwardly extended along the radial direction of fixed part 31, so that transition
Certain empty avoiding section is formed between sealing 37 and interior pot 11, to prevent transition seal portion 37 from contacting with interior pot 11.In this way, interior pot
Negative pressure in 43 can act directly on transverse sealing portion 32 (wall of hollow cavity 34), facilitate transverse sealing portion 32 according to hollow cavity
34 inside and outside differential pressures and swell, improve sealing ring 30 leakproofness.
In further example, 37 outer periphery of transition seal portion is connect with transverse sealing portion 32, and junction is located at cross
Prevent transition seal portion 37 from contacting with interior pot 11 so that junction be made to avoid interior pot 11 completely to the top of 32 inside of sealing.
As shown in Figure 5-Figure 7, an example according to the present utility model, sealing ring 30 further include longitudinal seal 33, are indulged
Annular is formed to sealing 33, and longitudinal seal 33 vertically extends, the upper end of longitudinal seal 33 and fixed part 31
Or transverse sealing portion 32 connects, when pot cover 20 is located at closed position, transverse sealing portion 32 is covered on the pot edge of interior pot 11, is indulged
Extend downward to sealing 33, and protrude into interior pot 11 and connect with the side wall of interior pot 11, further increases the sealing of sealing ring 30
Effect.
In some instances, it is equipped in any two in fixed part 31, transverse sealing portion 32 and longitudinal seal 33 rigid
Property material pieces 35, or it is equipped with rigid material part 35 in fixed part 31, transverse sealing portion 32 and longitudinal seal 33, thus
The intensity of lift-off seal ring 30 radially squeezes transverse sealing portion 32, so that transverse sealing when pot cover 20 and interior pot 11 fastening
The downside in portion 32 is to extending out, and when generating larger negative pressure in interior pot 11, the presence of rigid material part 35 makes sealing ring 30
Intensity improves, so that being difficult to inside pot 11 turns inside out deformation, avoids the seal failure of sealing ring 30.
As shown in figure 5, in some instances, transverse sealing portion 32 is connected with 33 transition of longitudinal seal, at least one is just
Property material pieces 35 extended to out of transverse sealing portion 32 in longitudinal seal 33, i.e., rigid material part 35 substantially form with laterally it is close
The L shape corresponding with 33 shape of longitudinal seal of envelope portion 32, after 100 closing lid of cooking apparatus, transverse sealing portion 32 is clamped in interior pot 11
Pot edge and pot cover 20 between, thereby may be ensured that leakproofness between the two.
When generating larger negative pressure in interior pot 11, transverse sealing portion 32 is under the action of pressure difference, transverse sealing portion 32
Outer periphery there is the trend that is flipped up, and the rigid material part 35 in transverse sealing portion 32 can prevent transverse sealing portion 32
It deforms, that is, the outer periphery in transverse sealing portion 32 is prevented to be flipped up, so that transverse sealing portion 32 is pressed on the pot of interior pot 11
Along upper, the rigid material part 35 in longitudinal seal 33 is but also longitudinal seal 33 maintains the position of free state and holding
Motionless, longitudinal seal 33 is difficult to deform, and turns inside out so that sealing ring 30 is difficult to inside pot 11, avoids sealing ring 30
Seal failure.
As shown in fig. 6, in some instances, at least one rigid material part 35 extends to transverse sealing out of fixed part 31
In portion 32, i.e., rigid material part 35 substantially forms linear type corresponding with fixed part 31 and 32 shape of transverse sealing portion, cooking pot
After having 100 closing lids, transverse sealing portion 32 is clamped between the pot edge and pot cover 20 of interior pot 11, thereby may be ensured that between the two
Leakproofness.
When generating larger negative pressure in interior pot 11, transverse sealing portion 32 is under the action of pressure difference, transverse sealing portion 32
Outer periphery there is the trend that is flipped up, and the rigid material part 35 in transverse sealing portion 32 can prevent transverse sealing portion 32
It deforms, that is, the outer periphery in transverse sealing portion 32 is prevented to be flipped up, so that transverse sealing portion 32 is pressed on the pot of interior pot 11
Along upper, rigid material part 35 in fixed part 31 but also fixed part 31 maintains the position of free state and remains stationary, Gu
Determine portion 31 to be difficult to deform, is turned inside out so that sealing ring 30 is difficult to inside pot 11, avoid the seal failure of sealing ring 30.
As shown in fig. 7, in some instances, at least one rigid material part 35 extends to longitudinal sealing out of fixed part 31
In portion 33, i.e., rigid material part 35 substantially forms L shape corresponding with longitudinal seal 33 and 31 shape of fixed part.Although laterally close
Envelope portion 32 is not provided with rigid material part 35, but in longitudinal seal 33 and fixed part 31 rigid material part 35 effect
Under, the intensity of sealing ring 30 increases, especially radially along sealing ring 30, rigid material part 35 in fixed part 31 but also
Fixed part 31 maintains the position of free state and remains stationary, and fixed part 31 is difficult to deform, so that sealing ring 30 is difficult to
Inside pot 11 turns inside out, and avoids the seal failure of sealing ring 30.
In some specific examples, fixed part 31, transverse sealing portion 32 and longitudinal seal 33 are integrally formed, to mention
The high strength and stability of sealing ring 30, when a part of sealing ring 30 is squeezed, sealing ring 30 will not occur larger
Overturning deformation.
The position of an example according to the present utility model, the pot edge of the just internal pot 11 of pot cover 20 is equipped with mounting ring 23,
For mounting ring 23 along the circumferentially extending of pot cover 20, sealing ring 30, which forms top, has the sealing shroud being open, and sealing ring 30 is sleeved on peace
It fills outside ring 23, to simplify the structure of sealing ring 30, cancels fold side or the convex ribs of sealing ring 30, it is multiple to solve design of part
Problem miscellaneous, at high cost, while sealing is realized without multiplet linkage, improve sealing effect.
As shown in Fig. 2, pot cover 20 includes cover board 21 in a specific example, mounting ring 23 is located at 21 periphery of cover board
The downside on edge, the top opening of sealing ring 30 is necking 36, and the periphery of necking 36 is connected with the clamping of mounting ring 23, and cover board 21 is right
Sealing ring 30 plays the role of definitely being fixed, and the pot edge of the lower surface of sealing ring 30 and interior pot 11 is tightly connected.
In the cooking process of cooking apparatus 100, with the raising of 30 temperature of sealing ring, sealing ring 30, which can expand, to become larger,
So that the lower surface of sealing ring 30 and the pot edge of interior pot 11 are interference fitted and connect, the sealing of sealing ring 30 is further enhanced
Effect, and the sealing ring 30 is only set in mounting ring 23, without cooperating with cover board 21, structure is simple, easy for installation, cost
It is low, convenient for promoting the use of.
Optionally, the lower surface of sealing ring 30 can be contacted with the pot edge line of interior pot 11, since sealing ring 30 is in temperature liter
Volume can expand and become larger when high, thus even line contact will not influence the sealing effect of sealing ring 30 Yu interior pot 11, and work as
Cover board 21 can compress sealing ring 30 when being negative pressure state in cooking cavity 12, thus sealing effect when also ensuring negative pressure state,
The leakproofness continuous and effective of sealing ring 30.
One embodiment according to the present utility model, sealing ring 30 are made of flexible nylon material, flexible nylon material
Linear expansion coefficient be greater than 60x10-6/ DEG C, when cooking cavity 12 is heated, sealing ring 30, which can expand, to become larger, and reinforces sealing effect.
Another embodiment according to the present utility model, for sealing ring 30 using being made in foamed material, foamed material is heated
Volume expansion, to reinforce the sealing effect after sealing ring 30 is heated.Optionally, sealing ring 30 can be made of foamed silica gel,
It is at low cost, better tightness.
The sealing ring 30 for cooking apparatus according to the utility model embodiment includes: fixed part 31 and sealing, Gu
Determining portion 31 may be mounted on the pot cover 20 or interior pot 11 of cooking apparatus 100, and sealing is connect with fixed part 31, and sealing ring 30 is used
Clearance seal between the pot edge and pot cover 20 by interior pot 11.
The linear expansion coefficient of 30 material therefor of sealing ring is more than or equal to 60x10-6/DEG C, after 30 expanded by heating of sealing ring,
30 volume of sealing ring increases, and can further increase the interference fit in the gap between sealing ring 30 and pot cover 29 and interior pot 11
Amount.
According to the sealing ring 30 for cooking apparatus of the utility model embodiment, high, the heated volume of linear expansion coefficient is swollen
Swollen amplitude is big, is greater than or equal to 60x10 by using linear expansion coefficient-6/ DEG C sealing ring 30, be conducive to improve sealing ring 30 with
The pot edge of interior pot 11, the connection of pot cover 20 compactness, solve the problems, such as 30 poor sealing effect of sealing ring, while can be using more
Add simple structure, to reduce manufacturing cost, improves the usage experience of user.
One embodiment according to the present utility model, sealing ring 30 are made of flexible nylon material, flexible nylon material
Linear expansion coefficient be greater than 60x10-6/ DEG C, when cooking cavity 12 is heated, sealing ring 30, which can expand, to become larger, and reinforces sealing effect.
Another embodiment according to the present utility model, for sealing ring 30 using being made in foamed material, foamed material can be with
The linear expansion coefficient of sealing ring 30 is continued to lift up, the sealing effect after sealing ring 30 is heated is reinforced.Optionally, sealing ring 30 can be with
It is made of foamed silica gel, at low cost, better tightness.
As depicted in figs. 1 and 2, in a specific example, sealing ring 30 forms the sealing shroud that top has opening, close
The top opening of seal ring 30 is necking 36, and the position of the pot edge of the just internal pot 11 of pot cover 20 is equipped with mounting ring 23, mounting ring 23
Along the circumferentially extending of pot cover 20, sealing ring 30 is sleeved on outside mounting ring 23, and the periphery of necking 36 is connected with the clamping of mounting ring 23, pot
Lid 20 plays the role of definitely being fixed to sealing ring 30, when 100 closing lid of cooking apparatus, the lower surface of sealing ring 30 and interior pot
11 pot edge is tightly connected.
In the cooking process of cooking apparatus 100, with the raising of 30 temperature of sealing ring, sealing ring 30, which can expand, to become larger,
So that the lower surface of sealing ring 30 and the pot edge of interior pot 11 are interference fitted and connect, the sealing effect of sealing ring 30 is enhanced,
And the sealing ring 30 is only set in mounting ring 23, is eliminated fold side or the convex ribs of sealing ring 30, is simplified sealing ring 30
Structure, it is easy for installation, it is at low cost, convenient for promoting the use of.
Further, the lower surface of sealing ring 30 can be contacted with the pot edge line of interior pot 11, since sealing ring 30 is in temperature
Volume can expand and become larger when raising, thus even line contact will not influence the sealing effect of sealing ring 30 Yu interior pot 11, and
When in cooking cavity 12 being negative pressure state, pot cover 20 can compress sealing ring 30, so that sealing when also ensuring negative pressure state is imitated
Fruit, the leakproofness continuous and effective of sealing ring 30.The sealing ring 30 solves the problems, such as that design of part is complicated, at high cost, simultaneously
It links without multiplet and realizes sealing, improve the sealing effect of sealing ring 30.
According to other compositions of the cooking apparatus 100 of the utility model embodiment and operate for ordinary skill
All be for personnel it is known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (10)
1. a kind of cooking apparatus characterized by comprising
Pot body, the pot body includes interior pot and the interior pot limits the open cooking cavity in top；
Pot cover, the pot cover are movably installed to the pot body between open and closed positions, are used to open and are closed
Close the top opening of the cooking cavity；
Sealing ring, the sealing ring be set to the interior pot or the pot cover, for when the pot cover is in the closed position,
The gap between the pot edge and the pot cover of the interior pot is sealed,
Wherein, the linear expansion coefficient of the sealing ring material therefor is more than or equal to 60x10-6/ DEG C, when the sealing ring is heated
After expansion, its volume increases to increase the value of interference fit of the sealing ring Yu the gap.
2. cooking apparatus according to claim 1, which is characterized in that the pot cover includes inner cover and set on the inner cover
Towards the cover board of the cooking cavity side, the cover board can float relative to the inner cover, after the sealing ring expanded by heating,
The volume of the sealing ring increases to jack up the cover board.
3. cooking apparatus according to claim 1, which is characterized in that the sealing ring includes:
Fixed part, the fixed part are set to the interior pot or the pot cover；
Transverse sealing portion, the transverse sealing portion form annular and connect with the fixed part, when the pot cover is in the pass
When closed position, the transverse sealing portion is located between the pot edge and the pot cover of the interior pot.
4. cooking apparatus according to claim 3, which is characterized in that the longitudinal section in the transverse sealing portion forms bar shaped；
Or, the transverse sealing portion has Packed hollow cavity, for closing atmospheric air.
5. cooking apparatus according to claim 3, which is characterized in that the sealing ring further include:
Longitudinal seal, the longitudinal seal form annular and vertically extend, the upper end of the longitudinal seal with
The fixed part or transverse sealing portion connection.
6. cooking apparatus according to claim 5, which is characterized in that the fixed part, the transverse sealing portion and described
At least two in longitudinal seal are interior equipped with rigid material part.
7. cooking apparatus according to claim 2, which is characterized in that the position of the pot edge of interior pot described in the face of the pot cover
The mounting ring along its circumferentially extending is installed, the sealing ring, which is formed, has open-topped sealing shroud, the sealing ring suit
Outside the mounting ring.
8. cooking apparatus according to claim 7, which is characterized in that the top opening of the sealing ring is necking, and institute
The periphery of necking is stated to be connected with mounting ring clamping, the sealing ring use flexible nylon material, in foamed material at least
One kind is made.
9. a kind of sealing ring for cooking apparatus characterized by comprising
Fixed part, the fixed part are adapted to mount to the pot cover or interior pot of the cooking apparatus；
Sealing, the sealing are connect with the fixed part, at least seal the pot cover and the interior pot pot edge it
Between gap,
The linear expansion coefficient of the sealing ring material therefor is more than or equal to 60x10-6/ DEG C, when the sealing ring expanded by heating
Afterwards, its volume increases to increase the value of interference fit of the sealing ring Yu the gap.
10. the sealing ring according to claim 9 for cooking apparatus, which is characterized in that the sealing ring is using flexible
At least one of nylon material, foamed material are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821313508.7U CN209153060U (en) | 2018-08-13 | 2018-08-13 | Cooking apparatus and sealing ring for cooking apparatus |
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| CN201821313508.7U CN209153060U (en) | 2018-08-13 | 2018-08-13 | Cooking apparatus and sealing ring for cooking apparatus |
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| CN209153060U true CN209153060U (en) | 2019-07-26 |
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