CN209031891U - The cover assembly and cooking apparatus of cooking apparatus - Google Patents

Abstract

The utility model discloses a kind of cover assembly of cooking apparatus and cooking apparatus, cover assembly includes: inner cover；Cover board, cover board are set to the lower section of inner cover and have relief hole；First pressure relief device, first pressure relief device is set to inner cover and including pressure relief sealing ring and moveable pushing part, pressure relief sealing ring is connect with pushing part and at least part is mobile to open and close relief hole with pushing part, wherein, pushing part has annular slot, and pressure relief sealing ring has annular snap muscle of the cooperation in annular slot, length of the annular snap muscle cooperation in annular slot is L1, annular snap muscle with a thickness of L2, L1 >=1.5mm, L2 >=1.5mm.According to the cover assembly of the cooking apparatus of the utility model embodiment, pressure relief sealing ring is not susceptible to fall off, and improves the stability of annular snap muscle and annular slot cooperation, improves the usage experience of user.

Description

The cover assembly and cooking apparatus of cooking apparatus

Technical field

The utility model relates to living electric apparatus technical field, a kind of cover assembly in particular to cooking apparatus and Cooking apparatus.

Background technique

Vacuum electrothermal pot in the related technology, vacuum system include vacuum pump, solenoid valve, pressure release seal assembly, vacuumize Pipe etc., wherein pressure release seal assembly is used to control the opening and closing of relief hole, and when cooking chamber pumping, relief hole sealing ring is by pressure release Hole sealing, when cooking cavity carries out pressure release, passes through electromagnet or motor etc. to make cooking cavity inner sealing to realize negative pressure state Component drives relief hole sealing ring to disengage relief hole, so that outside air is entered cooking cavity, to release the negative pressure shape in cooking cavity State, but due to being negative pressure state in cooking cavity, very big suction can be generated to relief hole sealing ring, thus during the pressure relief process, The components such as relief hole sealing ring and electromagnet or motor are caused to be detached from, i.e., after the movement of the components such as electromagnet or motor, relief hole is close Seal is still adsorbed on relief hole, leads to not realize pressure release, and then cause lid that can not open, cannot be to the food in cooking cavity Material is normally cooked or is eaten, poor user experience.

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 that a kind of cover assembly pressure release of cooking apparatus is convenient, non-delay, and stability is good, and user experience is good.

The utility model also proposes a kind of cooking apparatus.

According to the cover assembly of the cooking apparatus of the utility model first aspect embodiment, comprising: inner cover；Cover board, it is described Cover board is set to the lower section of the inner cover and has relief hole；First pressure relief device, first pressure relief device are set to the inner cover And including pressure relief sealing ring and moveable pushing part, the pressure relief sealing ring connect with the pushing part and at least part with The pushing part is mobile to open and close the relief hole, wherein the pushing part has annular slot, the pressure release sealing The annular snap muscle that there is cooperation in the annular slot is enclosed, length of the annular snap muscle cooperation in the annular slot is L1, the annular snap muscle with a thickness of L2, L1 >=1.5mm, L2 >=1.5mm.

According to the cover assembly of the cooking apparatus of the utility model embodiment, by the way that annular snap is arranged on pressure relief sealing ring Muscle is cooperated by annular snap muscle and the annular slot of pushing part, so that pressure relief sealing ring can synchronize shifting when pushing part is mobile It moves without falling off, to guarantee that relief hole can smooth opening or closing under control；And by defining annular snap The length and thickness of muscle ensure that annular snap muscle has enough fastening amounts and intensity, improves annular snap muscle and annular slot The stability of cooperation avoids annular snap muscle from deforming or be detached from cooperation, improves the usage experience of user.

According to the cover assembly of the cooking apparatus of the utility model embodiment, the pressure relief sealing ring includes: ring body, The ring body is fixedly arranged on the inner cover；Deformation sheet is sealed, the sealing deformation sheet forms annular and the sealing deformation sheet Outer periphery connect with the ring body；Sealing, the sealing are connect to move with the pushing part with the pushing part Dynamic, the inner edge of the sealing deformation sheet is connect with the sealing, and the annular snap muscle is set to the sealing.

Specifically, the sealing forms the sealing shroud of open at one end and the sealing is sheathed on the pushing part.

According to the cover assembly of the cooking apparatus of the utility model embodiment, the shore of the material of the pressure relief sealing ring is hard Degree is 40~70 degree.

According to the cover assembly of the cooking apparatus of the utility model embodiment, the cover board also has installing port, the lid Body component further includes the second pressure relief device, and second pressure relief device is set at the installing port and is configured in the culinary art The cooking cavity and the external world is connected when being greater than preset pressure in pressure in the cooking cavity of utensil.

Optionally, second pressure relief device includes the weight for being arranged in the installing port, and the weight is in first position Can be moved up and down between the second position, when the weight is located at the first position, the weight by the cooking cavity with External world's conducting, when the weight is located at the second position, the weight connect with the cover plate for sealing.

Further, the weight forms column, and the lower end of the weight has venthole, when the weight is located at institute When stating first position, by the venthole by the cooking cavity and extraneous conducting, the upper end of the weight is arranged the weight There is weight sealing ring, for connecting with the cover plate for sealing, wherein the weight is metal material materials and parts.

Optionally, second pressure relief device includes: valve body, and the valve body is installed at the installing port and interior defines Chamber, the valve body have the first stomata and the second stomata be connected with the chamber；Movable part, the movable part is movably In the chamber, when the pressure in the cooking cavity is less than or equal to preset pressure, the movable part closing described first One in stomata and second stomata, when the pressure in the cooking cavity is greater than the preset pressure, the movable part The stomata is opened so that first stomata and second stomata conducting.

Specifically, the movable part includes: spool, and the spool is movably arranged in the chamber and is formed column, One end of the spool is protruded into first stomata and with the inner wall of first stomata there are gap, the spool it is another Pressure-controling spring is equipped between one end and the valve body；Valve block, the valve block are set to the other end of the spool with the spool Activity, for opening and closing second stomata.

Optionally, second pressure relief device includes: valve seat, the valve seat be located at the installing port and have with it is described The air passing hole of installing port conducting；Valve deck, the valve cover are set to the outside of the valve seat, and the inner cavity of the valve deck and it is extraneous and The air passing hole conducting；Closeouts, the closeouts are movably arranged at the valve seat and are located at the interior intracavitary of the valve deck, use In the opening and closing air passing hole.

Specifically, the closeouts are formed spherical, and the upper surface of the valve seat has the shape adaptation with the closeouts Flaring slot, the flaring slot is connected with the air passing hole.

Implement according to the cooking apparatus of the utility model second aspect embodiment, including according to the utility model first aspect The cover assembly of the cooking apparatus of example, by using above-mentioned cover assembly, pressure relief sealing ring will not be detached from pushing part, to protect Demonstrate,proved relief hole can smooth opening or closing under control, structure is simple, stability is good, and user experience is good.

According to the cooking apparatus of the utility model embodiment, the cooking apparatus is electric cooker；And/or the cooking pot Tool further includes air extractor, for the cooking cavity of the cooking apparatus to be pumped into negative pressure state.

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 second pressure relief device of the utility model one embodiment；

Fig. 4 is the structural schematic diagram according to the second pressure relief device of the utility model another embodiment；

Fig. 5 is the enlarged drawing of B structure in Fig. 4；

Fig. 6 is the structural schematic diagram according to the second pressure relief device of the utility model another embodiment.

Appended drawing reference:

Cover assembly 100, cooking apparatus 200,

Inner cover 10,

Cover board 20, relief hole 21, installing port 22,

Air extractor 30,

First pressure relief device 40, pushing part 41, annular slot 411, pressure relief sealing ring 43, ring body 431, sealing deformation Piece 432, sealing 433, annular snap muscle 4331,

Second pressure relief device 50,

Weight 51, venthole 511, weight sealing ring 52,

Valve body 53, chamber 530, the first stomata 531, the second stomata 532, movable part 54, spool 541, valve block 542, pressure control Spring 55,

Valve seat 56, air passing hole 561, flaring slot 562, valve deck 57, closeouts 58,

Pot body 60, cooking cavity 61.

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. 6 description according to the cover assembly 100 of the cooking apparatus of the utility model embodiment.

As shown in figs 1 to 6, according to the cover assembly 100 of the utility model one embodiment include inner cover 10, cover board 20, Air extractor 30 and the first pressure relief device 40.

The lower section of inner cover 10 is arranged in cover board 20, has relief hole 21 on cover board 20, including the setting of the first pressure relief device 40 On lid 10, the first pressure relief device 40 includes pressure relief sealing ring 43 and moveable pushing part 41, pressure relief sealing ring 43 and pushing part 41 connections, and at least part of pressure relief sealing ring 43 can be mobile with pushing part 41, to open and close relief hole 21.

Wherein, pushing part 41 has annular slot 411, and pressure relief sealing ring 43 has annular snap muscle 4331, annular snap muscle 4331 are adapted to fit in annular slot 411, and annular snap muscle 4331 cooperates the length in annular slot 411 for L1, and L1 >= 1.5mm makes it be not easy to deviate from out of annular slot 411 to guarantee that annular snap muscle 4331 has enough fastening amounts；Annular snap muscle 4331 with a thickness of L2, L2 >=1.5mm, to guarantee that annular snap muscle 4331 has enough intensity, avoid mobile in pushing part 41 In the process, annular snap muscle 4331 deforms and is detached from pushing part 41.

According to the cover assembly 100 of the cooking apparatus of the utility model embodiment, by being arranged on pressure relief sealing ring 43 Annular snap muscle 4331 is cooperated by annular snap muscle 4331 and the annular slot 411 of pushing part 41, so that mobile in pushing part 41 When, pressure relief sealing ring 43 can be with synchronizing moving without falling off, to guarantee that relief hole 21 can smoothly be beaten under control On or off is closed；And by defining the length and thickness of annular snap muscle 4331, it ensure that annular snap muscle 4331 has enough buttons Resultant and intensity improve the stability that annular snap muscle 4331 and annular slot 411 cooperate, avoid annular snap muscle 4331 deform or It is detached from cooperation, improves the usage experience of user.

As shown in Fig. 2, one embodiment according to the present utility model, pressure relief sealing ring 43 includes ring body 431, sealing Deformation sheet 432 and sealing 433, ring body 431 are installed on inner cover 10, and sealing deformation sheet 432 forms annular, and annular is close The outer periphery of envelope deformation sheet 432 is connect with ring body 431, the inner edge of annular sealing deformation sheet 432 and sealing 4331 Connection, annular snap muscle 4331 are arranged on sealing 433, and sealing 433 is connect by annular snap muscle 4331 with pushing part 41, from And it can be with 41 synchronizing moving of pushing part.

When needing to close relief hole 21, pushing part 41 is moved down relative to inner cover 10, the annular snap muscle of sealing 433 4331 cooperations are in the annular slot 411 of pushing part 41, so that sealing 433 is moved downward simultaneously with pushing part 41, it will Relief hole 21 is closed, and is sealed deformation sheet 432 and deformed so that its inner edge is moved down with sealing 433, be ensure that and is pushed away Leakproofness between dynamic portion 41 and pressure relief sealing ring 43, while preventing pressure relief sealing ring 43 from falling off from pushing part 41.

In some instances, sealing 433 forms the sealing shroud of open at one end, and sealing 433 is set on pushing part 41, 4331 hook of annular snap muscle is located on annular slot 411, so that the lower end of sealing 433 and pushing part 41 is realized and closely connected It connects, easy for installation, cooperation is reliable, keeps synchronizing moving convenient for pushing part 41 and sealing 433.

Further, if the hardness of pressure relief sealing ring 43 is too low, annular snap muscle 4331 is easily deformed, and annular snap muscle 4331 easily deviate from out of annular slot 411；If the hardness of pressure relief sealing ring 43 is too high, when being sealed to relief hole 21, sealing Property is poor, is easy to happen gas leak phenomenon, therefore, one embodiment according to the present utility model, by the material of pressure relief sealing ring 43 Shore hardness be limited between 40~70 degree so that pressure relief sealing ring 43 meets the needs of hardness and leakproofness.

In some instances, the uper side surface of cover board 20 forms plane, and the downside surface of sealing 42 has annular protrusion, Annular protrusion is located at close to the position at 42 edge of sealing, and when closing relief hole 21, sealing 42 is moved down, so that annular Protrusion only supports connection with cover board 20, and annular protrusion is looped around the periphery of relief hole 21 at this time, and sealing 42 is realized close with cover board 20 Envelope connection, cooking cavity 61 is interior to form sealing state.

In some instances, the first pressure relief device 40 further includes electromagnet, electromagnet be arranged in the top of pushing part 41 and It is connect with pushing part 41, when electromagnet is powered or powers off, pushing part 41 can be driven to move down, to make sealing 433 Block relief hole 21.Certainly, pushing part 41 can also be manually adjusted by motor driven or user.

One embodiment according to the present utility model, cover board 20 also have installing port 22, and cover assembly 100 further includes second Pressure relief device 50, the second pressure relief device 50 are arranged at installing port 22, and the second pressure relief device 50 is configured to following state: cooking When the pressure prepared food in chamber 61 is greater than preset pressure, the second pressure relief device 50 lets out cooking cavity 61 and extraneous conducting to work as first When the failure of pressure device 40 or other reasons lead to that pressure is excessive in cooking cavity 61, by the second pressure relief device 50 by cooking cavity 61 with External world's conducting, avoids peril, realizes the function of safety relief.

As shown in figure 3, in some instances, the second pressure relief device 50 includes weight 51, weight 51 is threaded through installing port 22 Place, weight 51 can move up and down between the first position and the second position, when the pressure in cooking cavity 61 is less than preset pressure When, weight 51 is located at the second position, and weight 51 and cover board 20 are tightly connected, to guarantee the leakproofness in cooking cavity 61；When first When pressure in cooking cavity 61 caused by the failure of pressure relief device 40 or other reasons is greater than preset pressure, weight 51 is towards first Movement is set, to make cooking cavity 61 and extraneous conducting, realizes safety relief.

In some optional examples, weight 51 forms column, and the lower end of weight 51 has venthole 511, when weight 51 When positioned at first position, cooking cavity 61 passes through venthole 511 and extraneous conducting；The upper end of weight 51 is arranged with weight sealing ring 52, when weight 51 is located at the second position, the lower surface of weight sealing ring 52 is only supported with the upper surface of cover board 20 to be connect, thus weight Hammer 51 is realized with cover board 20 and is tightly connected, and guarantees the leakproofness in cooking cavity 61.

In other optional examples, lateral wall and installing port 22 interval of weight 51 are arranged, when in cooking cavity 61 When pressure is less than preset pressure, weight 51 is located at the second position, and the lower surface of weight sealing ring 52 and the upper surface of cover board 20 are stopped To connection, guarantee that there is enough leakproofness in cooking cavity 61；When the pressure in cooking cavity 62 is greater than preset pressure, cooking cavity Pressure in 61 can overcome the gravity of weight 51, and weight 51 is jacked up upwards, cooking cavity 61 by the lateral wall of weight 51 with Gap between installing port 22 is realized to be connected with extraneous.

In some specific examples, weight 51 is metal material materials and parts, preferably 304 stainless steels, so that weight 51 be made to exist In the case of lesser volume, meet enough weight demands, wherein the specific weight set of weight 51 and preset pressure value and The size of installing port is related, is not described in detail herein.

As shown in figure 4, the second pressure relief device 50 includes valve body 53 and movable part 54 in other examples, valve body 53 is solid It being located at installing port 22, and defines chamber 530 in valve body 53, valve body 53 also has the first stomata 531 and the second stomata 532, First stomata 531 and the second stomata 532 are connected with chamber 530, and movable part 54 is movably disposed in chamber 530, when cooking When the pressure prepared food in chamber 61 is less than or equal to preset pressure, movable part 54 closes one in the first stomata 531 and the second stomata 532 It is a, to make the first stomata 531 and the second stomata 532 be not turned on, so that cooking cavity 61 can not be connected with the external world；Work as culinary art When pressure in chamber 61 is greater than preset pressure, movable part 54 opens the stomata so that the first stomata 531 and the second stomata 532 are led It is logical, so that cooking cavity 61 and extraneous realize be made to be connected.

In some specific examples, valve body 53 includes valve body ontology and valve cover, and valve body ontology is mounted on installing port 22 Place, and be tightly connected with installing port 22 by lip ring, chamber 530, valve body are limited between valve body ontology and valve cover Cover is fixed on valve body ontology, to guarantee to open valve body 53 when pressure is excessive in cooking cavity 61, while by valve body 53 are set as split type structure, facilitate installation of the movable part 54 in chamber 530, and convenient for valve body 53 is mounted on lid On body component 100.

Further, movable part 54 includes spool 541 and valve block 542, and spool 541 is movably disposed in chamber 530, Spool 541 forms column, and one end of spool 541 is protruded into the first stomata 531, and the valve body at spool 541 and the first stomata 531 There are gaps for 53 inner wall, and in order to which air-flow passes through, valve block 542 is arranged in the other end of spool 541, and valve block 542 can be with With 541 activity of spool, to open and close the second stomata 532.

As shown in figure 5, in a specific example, the vertical sectional shape of spool 541 forms inverted T-shaped, spool 541 it is upper End is protruded into the first stomata 531, and the inner sidewall arranged for interval of spool 541 and valve body 53, the lower end of spool 541 and valve body 53 it Between be equipped with pressure-controling spring 55, valve block 542 can for using rubber material diaphragm seal, 542 outer periphery of valve block have inclination extend Annular valve block, the upper end hook of annular valve block is located at the lower end of spool 541, and the lower end of annular valve block is located at the second of valve body 53 At stomata 532, it is suitable for closing at the second stomata 532.

When the pressure in cooking cavity 61 is less than or equal to preset pressure, the bullet of spool 542 and valve block 542 in pressure-controling spring 55 Under power effect, valve block 542 is located at the second stomata 532, so that the gas in cooking cavity 61 can not be flowed by the second stomata 532 Out, sealing state is kept in cooking cavity 61；Pressure in the cooking cavity 61 caused by the failure of the first pressure relief device 40 or other reasons When power is greater than preset pressure, 61 air pressure inside pressure of cooking cavity overcomes the elastic force of pressure-controling spring 55, so that valve block 542 and spool 542 move up, to open the second stomata 532, cooking cavity 61 is connected by the second stomata 532 and the first stomata 531, in turn Realization and extraneous conducting, avoid high pressure and cause peril, realize safety relief.

As shown in fig. 6, in other example, the second pressure relief device 50 includes: valve seat 56, valve deck 57 and closeouts 58, Valve seat 56 is arranged at installing port 22, and valve seat 56 has air passing hole 561, and air passing hole 561 is conducted with installing port 22, and valve deck 57 covers It is located at the outside of valve seat 56, the inner cavity of valve deck 57 and extraneous and air passing hole 561 realize conducting, and closeouts 58 are movably arranged On valve seat 56, and closeouts 58 are located at the interior intracavitary of valve deck 57, and closeouts 58 are for opening and closing air passing hole 561.

Specifically, when the pressure in cooking cavity 61 is less than preset pressure, closeouts 58 are located at the upper surface of valve seat 56, and It only supports and connect with the upper surface of valve seat 56, so that air passing hole 561 is closed, so that air passing hole 561 is not connected to the external world, cooking cavity 61 Interior holding sealing state；Pressure in the cooking cavity 61 caused by the failure of the first pressure relief device 40 or other reasons is greater than default pressure When power, the pressure in cooking cavity 61 can overcome the gravity of closeouts 58, then jack up closeouts 58, so that air passing hole 561 open, and cooking cavity 61 realizes that the conducting with the external world, the air pressure in cooking cavity 61 are minimized, realize by air passing hole 561 Safety relief.

In some specific examples, closeouts 58 form spherical, and the upper surface of valve seat 56 has flaring slot 562, flaring Slot 562 and air passing hole 561 are connected, and flaring slot 562 is adapted with the shape of closeouts 58, so that closeouts 58 were being closed It when stomata 561, can stablize on the flaring slot 562 of valve seat 56, prevent spherical closeouts 58 from moveing freely, influence to gas excessively The sealing effect in hole 561.

Wherein, closeouts 58 can be metal material part, the specific weight set of closeouts 58 and preset pressure value and The pore size of air passing hole is related, is not described in detail herein.

According to the cooking apparatus 200 of the utility model embodiment, including the cooking apparatus according to the utility model embodiment Cover assembly 100, by using above-mentioned cover assembly 100, pressure relief sealing ring 43 will not be detached from pushing part, to ensure that Relief hole can smooth opening or closing under control, structure is simple, stability is good, and user experience is good.

In some instances, cooking apparatus 200 further includes air extractor 30, and air extractor 30 is arranged on inner cover 10, is taken out Device of air 30 is used to for being pumped into the cooking cavity 61 of cooking apparatus 200 negative pressure state, that is, is lower than the state of normal pressure, to promote food materials Water suction is fresh-keeping.

In other examples, cooking apparatus 200 has pot body 60, and pot body 60 defines the open accommodating chamber in top, interior Pot is arranged in the accommodating chamber of pot body 60, and interior pot can be separated with pot body 60, and interior cookware has the open cooking cavity 61 in top, interior The side wall of pot has the aspirating hole penetrated through along its thickness direction, and air extractor 30 is arranged in pot body 60, i.e., air extractor 30 is set In the chamber limited between the outside wall surface of pot body 60 and the inner wall of accommodating chamber, air extractor 30 passes through connecting tube and pumping Hole connection is evacuated cooking cavity 61 when air extractor 30 works, to make to form negative pressure in cooking cavity 61.By that will take out Device of air 30 is mounted in pot body 60, and temperature is relatively low in pot body 60, and air extractor 30 is made to be in the lower building ring of temperature Border extends the service life of air extractor 30, and then extend cooking apparatus 200 to reduce the aging speed of air extractor 30 Service life.

One embodiment according to the present utility model, cooking apparatus 200 are electric cookers.Below by taking electric cooker as an example, in conjunction with Fig. 1-Fig. 5 is described according to one specific embodiment of the utility model.

Electric cooker includes pot body 60 and cover assembly 100, and pot body 60 has the open cooking cavity 61 in top, cover assembly 100 are movably installed in pot body 60, and cover assembly 100 includes inner cover 10, cover board 20, air extractor 30, the first pressure release dress Set 40 and second pressure relief device 50.The lower section of inner cover 10 is arranged in cover board 20, has relief hole 21 and installing port 22 on cover board 20, Air extractor 30 is arranged on inner cover 10.

First pressure relief device 40 includes pushing part 41, pressure relief sealing ring 43 and electromagnet.Pushing part 41 forms column, pushes The lower end in portion 41 has annular slot 411, and side peripheral wall of the annular slot 411 along pushing part 41 is recessed inwardly, and electromagnet is mounted on On inner cover 10, electromagnet can drive pushing part 41 to move up and down, and pressure relief sealing ring 43 includes ring body 431, sealing deformation Piece 432 and sealing 433.

Ring body 431 is fixed on inner cover 10, and sealing deformation sheet 432 forms annular, seals the outer periphery of deformation sheet 432 It is connect with ring body 431, the inner edge of sealing deformation sheet 432 is connect with sealing 433, and sealing 433 is equipped with annular snap Muscle 4331, annular snap muscle 4331 is located at the junction of sealing deformation sheet 432 and sealing 433, and annular snap muscle 4331 is along sealing The circumferential direction in portion 433 is inwardly projecting, is suitable for cooperating in the annular slot 411 of pushing part 41.

Wherein, the shore hardness of pressure relief sealing ring 43 is 50 degree, and annular snap muscle 4331 cooperates the length in annular slot 411 Degree is that L1 is 2mm, and annular snap muscle 4331 is 2mm with a thickness of L2.By the way that above-mentioned pressure relief sealing ring 43 and annular snap muscle is arranged 4331, it ensure that annular snap muscle 4331 has enough intensity, and make annular snap muscle 4331 that there is foot in annular slot 411 Enough fastening amounts avoid in 41 moving process of pushing part, annular snap muscle 4331 deforms and is detached from pushing part 41.

Second pressure relief device 50 is arranged at installing port 22, and the second pressure relief device 50 includes weight 51 and weight sealing ring 52, weight 51 forms column, and the top half of weight 51 is located at the top of cover board 20, and weight sealing ring 52 is set in weight 51 Top half, the lower half portion of weight 51 has venthole 511, and venthole 511 runs through weight 51 in the horizontal direction.

When the pressure in cooking cavity 61 is less than preset pressure, the lower surface of weight sealing ring 52 and the upper surface of cover board 20 Connection is only supported, the venthole 511 and cooking cavity 61 of weight 51 are connected, but are not connected with the external world, guarantee there is foot in cooking cavity 61 Enough leakproofness；When the pressure in cooking cavity 62 is greater than preset pressure, the pressure in cooking cavity 61 can overcome weight 51 Gravity jacks up weight 51, and the venthole 511 of weight 51 is connected to external world's realization, and cooking cavity 61 passes through venthole 511 and the external world Conducting, avoids in cooking cavity 61 that air pressure is excessive to cause danger, realizes safety relief.

Certainly, electric pressure cooking saucepan, electric cooking pot etc. can also be according to the cooking apparatus of the utility model embodiment 200.

According to other compositions of the cooking apparatus 200 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 (13)

1. a kind of cover assembly of cooking apparatus characterized by comprising

Inner cover；

Cover board, the cover board are set to the lower section of the inner cover and have relief hole；

First pressure relief device, first pressure relief device are set to the inner cover and including pressure relief sealing rings and moveable promotion Portion, the pressure relief sealing ring is connect with the pushing part and at least part is mobile described to open and close with the pushing part Relief hole,

Wherein, the pushing part has annular slot, and the pressure relief sealing ring has annular of the cooperation in the annular slot Card muscle, length of the annular snap muscle cooperation in the annular slot are L1, the annular snap muscle with a thickness of L2, L1 >= 1.5mm, L2 >=1.5mm.

2. the cover assembly of cooking apparatus according to claim 1, which is characterized in that the pressure relief sealing ring includes:

Ring body, the ring body are fixedly arranged on the inner cover；

Deformation sheet is sealed, the sealing deformation sheet forms the outer periphery of annular and the sealing deformation sheet and the ring body connects It connects；

Sealing, the sealing are connect with mobile with the pushing part with the pushing part, the inner circumferential of the sealing deformation sheet Along connecting with the sealing, the annular snap muscle is set to the sealing.

3. the cover assembly of cooking apparatus according to claim 2, which is characterized in that the sealing forms open at one end Sealing shroud and the sealing be sheathed on the pushing part.

4. the cover assembly of cooking apparatus according to any one of claim 1-3, which is characterized in that the pressure release sealing The shore hardness of the material of circle is 40~70 degree.

5. the cover assembly of cooking apparatus according to any one of claim 1-3, which is characterized in that the cover board also has Have installing port, the cover assembly further includes the second pressure relief device, second pressure relief device be set to the installing port at and by It is configured to that the cooking cavity and the external world is connected when the pressure in the cooking cavity of the cooking apparatus is greater than preset pressure.

6. the cover assembly of cooking apparatus according to claim 5, which is characterized in that second pressure relief device includes wearing Set on the weight of the installing port, the weight can move up and down between the first position and the second position, when the weight position When the first position, the weight by the cooking cavity and it is extraneous be connected, when the weight is located at the second position, The weight is connect with the cover plate for sealing.

7. the cover assembly of cooking apparatus according to claim 6, which is characterized in that the weight forms column, and institute The lower end for stating weight has venthole, and when the weight is located at the first position, the weight will by the venthole The cooking cavity and extraneous conducting, the upper end of the weight are arranged with weight sealing ring, for connecting with the cover plate for sealing；Its In, the weight is metal material materials and parts.

8. the cover assembly of cooking apparatus according to claim 5, which is characterized in that second pressure relief device includes:

Valve body, the valve body be installed at the installing port and it is interior define chamber, the valve body has to be connected with the chamber The first stomata and the second stomata；

Movable part, the movable part are movably arranged in the chamber, when the pressure in the cooking cavity is less than or equal to preset When pressure, the movable part closes one in first stomata and second stomata, the pressure in the cooking cavity When greater than the preset pressure, the movable part opens the stomata so that first stomata and second stomata conducting.

9. the cover assembly of cooking apparatus according to claim 8, which is characterized in that the movable part includes:

Spool, the spool are movably arranged in the chamber and are formed column, and one end of the spool protrudes into described first In stomata and there are gaps with the inner wall of first stomata, and pressure control is equipped between the other end of the spool and the valve body Spring；

Valve block, the valve block are set to the other end of the spool with movable with the spool, for opening and closing described second Stomata.

10. the cover assembly of cooking apparatus according to claim 5, which is characterized in that second pressure relief device includes:

Valve seat, the valve seat are located at the installing port and have the air passing hole be connected with the installing port；

Valve deck, the valve cover is set to the outside of the valve seat, and the inner cavity of the valve deck is connected with the extraneous and described air passing hole；

Closeouts, the closeouts are movably arranged at the valve seat and are located at the interior intracavitary of the valve deck, are used to open and close Close the air passing hole.

11. the cover assembly of cooking apparatus according to claim 10, which is characterized in that the closeouts formed it is spherical, The upper surface of the valve seat has the flaring slot with the shape adaptation of the closeouts, and the flaring slot is led with the air passing hole It is logical.

12. a kind of cooking apparatus, which is characterized in that the lid including cooking apparatus described according to claim 1 any one of -11 Body component.

13. cooking apparatus according to claim 12, which is characterized in that the cooking apparatus is electric cooker；And/or institute Stating cooking apparatus further includes air extractor, for the cooking cavity of the cooking apparatus to be pumped into negative pressure state.