CN208658704U - Cooking apparatus - Google Patents

Abstract

The utility model discloses a kind of cooking apparatus, comprising: pot body, pot body have the open cooking cavity in top；Lid, lid are movably installed between open and closed positions to pot body, and lid has relief hole；Pressure relief device, pressure relief device are set to lid, are used to open and block relief hole；Control device, control device and pressure relief device communication connection；Switching device, switching device are run between energized state and off-position, and are communicated when switching device is in energized state, with control device, to control pressure relief device opening relief hole by control device.According to the cooking apparatus of the utility model embodiment, by the way that switching device is arranged, communicate it can with control device in the energized state, to control pressure relief device work, so that cooking apparatus realizes that pressure release, the air pressure in cooking cavity are restored to normal pressure state, movement of uncapping can be completed, structure is simple, and logic is simply easily realized.

Description

Cooking apparatus

Technical field

The utility model relates to living electric apparatus technical fields, in particular to a kind of cooking apparatus.

Background technique

Electric cooker in the prior art in order to promote food materials to absorb water in the water suction stage, or increases in holding stage and keeps the temperature rice The vacuum evacuation devices such as air pump, solenoid valve, electromagnet are arranged in meal effect generally on lid, promote to absorb water and prolong by vacuumizing Long heat insulation effect.However when being in negative pressure state in pot, when push switch button, cover board is inhaled by pot body under the action of negative pressure It closes, cannot achieve and uncap.

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 mentions A kind of cooking apparatus out, the cooking apparatus structure is simple, uncaps conveniently.

According to the cooking apparatus of the utility model embodiment, comprising: pot body, the pot body have the open culinary art in top Chamber；Lid, the lid are movably installed between open and closed positions to the pot body, and the lid, which has, to be let out Press hole；Pressure relief device, the pressure relief device are set to the lid, are used to open and block the relief hole；Control device, it is described Control device and the pressure relief device communication connection；Switching device, the switching device is between energized state and off-position Operation, and when the switching device be in the energized state, with control device communication, to pass through the control device control It makes the pressure relief device and opens the relief hole.

According to the cooking apparatus of the utility model embodiment, by the way that switching device is arranged, make it in the energized state can be with It is communicated with control device, so that pressure relief device work is controlled, so that cooking apparatus realizes that pressure release, the air pressure in cooking cavity are restored to Movement of uncapping can be completed in normal pressure state, and structure is simple, and logic is simply easily realized.

According to the cooking apparatus of the utility model embodiment, the switching device has stationary contact and mobilizable dynamic touching Point, the switching device the movable contact and when the stationary contact point contact, be in the energized state.

Specifically, the switching device has holding tank and the switching device includes: microswitch, the microswitch It is movably arranged in the holding tank and there is the stationary contact and the movable contact；Manipulation of switches, it is described micro- for pushing Dynamic switch moves in the holding tank.

Optionally, the manipulation of switches forms button.

Further, the switching device further include: supporter, the supporter are located in the lid and the pot body One on, and the supporter has the through slot of two sides perforation, and the through slot constitutes the holding tank.

Optionally, the supporter be movably located on one in the lid and the pot body and have be suitable for The grab of another clamping in the lid and the pot body.

Further, the supporter is equipped with the limit rib for being limited to the microswitch, and the limit Position muscle protrudes from the inner wall of the holding tank.

According to the cooking apparatus of the utility model embodiment, the lid has aspirating hole, and the cooking apparatus further includes Air extractor, the air extractor are connected to will form negative pressure in the cooking cavity with the aspirating hole.

According to the cooking apparatus of the utility model embodiment, the pressure relief device include: be used to open and block described in let out The seal assembly in hole is pressed, the seal assembly is located at the relief hole and including moveable closeouts；It is described for driving The mobile driving assembly of closeouts, the driving component connect with the closeouts and communicate with the control device.

Specifically, the driving component includes electromagnet and the electromagnet push-rod by the solenoid actuated, the electromagnetism Iron and the control device are communicated to control the electromagnet push-rod and drive the closeouts mobile.

Further, the end of the electromagnet push-rod has retaining part, and the driving component further includes return springs, The both ends of the return springs are only supported with the retaining part and the electromagnet connect respectively.

Optionally, the closeouts and the electromagnet push-rod are movable along the longitudinal, and the electromagnet push-rod and institute It states and is connected with pressure control elastic component between closeouts.

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 pot body of the utility model embodiment；

Fig. 4 is the enlarged drawing of B structure in Fig. 3.

Appended drawing reference:

Cooking apparatus 100,

Pot body 10, cooking cavity 11,

Lid 20, relief hole 21,

Pressure relief device 30,

Seal assembly 31, ring compression part 311, circular passage 3110, the first convex ribs 3112, the second convex ribs 3113, pressure control Elastic component 312, sealing element 313, movable part 3131, card slot 31311, fixed part 3132, annular seal groove 31321, closeouts 314, clamp 3141,

Driving assembly 32, driving portion 321, electromagnet 322, electromagnet push-rod 323,

Air extractor 40,

Switching device 50, holding tank 501, microswitch 51, stationary contact 511, movable contact 512, manipulation of switches 52, supporter 53, grab 532, limit rib 533,

Control device 60.

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 ", "upper", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " is base In orientation or positional relationship shown in the drawings, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as Limitations of the present invention.In addition, define " first ", the feature of " second " can explicitly or implicitly include one or More this feature of person.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two with On.

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. 4 description according to the cooking apparatus 100 of the utility model embodiment.

It as Figure 1-Figure 4, include: pot body 10, lid according to the cooking apparatus 100 of the utility model one embodiment 20, pressure relief device 30, control device 60 and switching device 50.

Pot body 10 has the open cooking cavity 11 in top, and lid 20 is mounted in pot body 10, and lid 20 can be in open position It is movable to set between closed position, has relief hole 21 on lid 20, and pressure relief device 30 is set on lid 20, be used to open and Block relief hole 21.

Control device 60 and 30 communication connection of pressure relief device, switching device 50 are transported between energized state and off-position Row, and when switching device 50 is in energized state, switching device 50 can be communicated with control device 60, so as to pass through control Device 60 processed controls pressure relief device 30 and opens relief hole 21, makes to realize pressure release in cooking cavity 11.

Make it in the energized state by the way that switching device 50 is arranged according to the cooking apparatus 100 of the utility model embodiment It can be communicated with control device 60, so that the work of pressure relief device 30 is controlled, so that cooking apparatus 100 realizes pressure release, cooking cavity 11 Interior air pressure is restored to normal pressure state, and movement of uncapping can be completed, and structure is simple, and logic is simply easily realized.

One embodiment according to the present utility model, switching device 50 have stationary contact 511 and mobilizable movable contact 512, when movable contact 512 is contacted with stationary contact 511, switching device 50 is in energized state, to make switching device 50 and control Device 60 processed communicates, and controls pressure relief device 30 by control device 60 and opens relief hole 21, makes to realize pressure release in cooking cavity 11.

In some instances, switching device 50 has holding tank 501, and switching device 50 includes: microswitch 51 and manipulation Switch 52, microswitch 51 are movably disposed in holding tank 501, and microswitch 51 has stationary contact 511 and movable contact 512, manipulation of switches 52 is for pushing microswitch 51 to move in holding tank 501, to realize stationary contact 511 and movable contact 512 contact or separation.

In some specific examples, manipulation of switches 52 forms button, by push button, so that microswitch 51 is holding It receives and moves in slot 501, to realize stationary contact 511 and the contact of movable contact 512 or separation.

In some instances, switching device 50 further includes supporter 53, and supporter 53 can be set on lid 20, support Body 53 also can be set in pot body 10, and supporter 53 has the through slot of two sides perforation, and through slot constitutes holding tank 501.Namely It says, manipulation of switches 52 can be located on lid 20, can also be located in pot body 10.

As shown in Figure 3 and Figure 4, in some instances, supporter 53 is movably disposed in pot body 10, supporter 53 One end (upper end as shown in Figure 4) has grab 532, supporter 53 and lid 20 can be made to be clamped by grab 532, thus When lid 20 is located at closed position, prevent lid 20 from being flicked in the course of work of cooking apparatus 100.When pressing manipulation is opened When closing 52, grab 532 can be made to move, so that lid 20 be allow to separate with supporter 53.

In other examples, supporter 53 is movably disposed on lid 20, and one end of supporter 53 has grab 532, supporter 53 and pot body 10 can be made to be clamped by grab 532, to equally lid 20 can be prevented in cooking apparatus 100 The course of work in flicked.

As shown in figure 4, supporter 53 is equipped with limit rib 533 in further example, limit rib 533 protrudes from appearance Receive the inner wall of slot 501, microswitch 51 can be limited in holding tank 501 by limit rib 533, so as to prevent fine motion from opening It closes 51 and is detached from holding tank 501 in the process of moving, also, when manipulation of switches 52 pushes microswitch 51, branch can be driven 53 activity of support body, so that the grab 532 on supporter 53 be made to separate with lid 20 or pot body 10.

As Figure 1-Figure 4, there is aspirating hole (not show in figure for one embodiment according to the present utility model, lid 20 Out), cooking apparatus 100 further includes air extractor 40, and air extractor 40 is connected with aspirating hole, and air extractor 40 is to cooking cavity 11 Interior pumping, so as to which negative pressure will be formed in cooking cavity 11.

One embodiment according to the present utility model, pressure relief device 30 include: be used to open and block relief hole 21 close Sealing assembly 31 and driving assembly 32.Seal assembly 31 is arranged at relief hole 21, and seal assembly 31 includes closeouts 314, blocks Part 314 (up and down direction as shown in Figure 1) can move along longitudinal direction, be used to open and block relief hole 21.Driving assembly 32 is used Mobile in driving closeouts 314, driving assembly 32 is connect with closeouts 314, and driving assembly 32 and control device 60 communicate, from And it works under the control of control device 60.

Wherein, pressure relief device 30 is not opened simultaneously with air extractor 40, i.e., when air extractor 40 is opened, pressure relief device 30 It closes, to allow air extractor 40 that will form negative pressure in cooking cavity 11；When pressure relief device 30 is opened, air extractor 40 is closed It closes, stops to being evacuated in cooking cavity 11, cooking cavity 11 and the external world are connected, so that the air pressure in cooking cavity 11 be made to be restored to normal pressure shape State.

As depicted in figs. 1 and 2, in some specific examples, the top of seal assembly 31 is arranged in driving assembly 32, drives Dynamic component includes driving portion 321, and driving portion 321 (up and down direction as shown in Figure 1) can be moved along longitudinal direction, be blocked for driving Part 314 moves up and down.

As shown in Fig. 2, an example according to the present utility model, driving assembly 32 further include electromagnet 322 and electromagnet Push rod 323, electromagnet push-rod 323 are driven by electromagnet 322, and electromagnet push-rod 323 is connect with driving portion 321, pass through control The energization and power-off of electromagnet 322, can control the movement of driving portion 321, to drive closure part 314 mobile, and then open Or block relief hole 21.

As shown in Fig. 2, in some instances, electromagnet push-rod 323 can be clamped with driving portion 321 and connect.Specifically, electric The lower end of 323 side wall of magnet push rod has the annular recess being recessed inwardly, and driving portion 321 can be connected in annular recess, To make electromagnet push-rod 323 be fixedly connected with driving portion 321.

In some instances, there is threaded hole, one end of electromagnet push-rod 323 has screw thread, electromagnet on driving portion 321 Push rod 323 is connect with driving portion 321 by being threadedly engaged, and structure is simple, easy to connect.

Certainly, driving portion 321 also can have threaded cylindrical, have threaded hole, driving portion 321 on electromagnet push-rod 323 Threaded cylindrical be mounted in threaded hole, the height and position of driving portion 321 can also be adjusted by screw thread rotation.

In some instances, the end of electromagnet push-rod 323 has retaining part (not shown), and driving assembly 32 also wraps Return springs (not shown) is included, one end of return springs is only supported with retaining part to be connect, the other end of return springs Connection is only supported with electromagnet 322.When electromagnet push-rod 323 is mobile relative to electromagnet 322, deformation occurs for return springs.

In some specific examples, return springs are spring, and spring is set on electromagnet push-rod 323.Reset bullet Property part buffer function can be played to the movement of electromagnet push-rod 323, after electromagnet 321 powers off, electromagnet push-rod 323 can be with It is mobile by the elastic force of return springs.

Optionally, closeouts 314 and electromagnet push-rod 323 are removable along longitudinal direction (up and down direction in Fig. 2), electromagnet Pressure control elastic component 312 is connected between push rod 323 and closeouts 314.Pressure control elastic component 312 can play the movement of closeouts 314 To the effect of buffering, while the problem of poor sealing can be led to avoid rigging error, the case where blocking is avoided the occurrence of.

Also, it, can be when pressure relief device 30 fails, by cooking cavity 11 by setting pressure control elastic component 312 Air pressure overcome the elastic force of pressure control elastic component 312 and open relief hole 21, realize pressure release, safe guarantor is played to cooking apparatus 100 The effect of shield guarantees the normal work of cooking apparatus 100.

An example according to the present utility model, seal assembly 31 further include sealing element 313, sealing element 313 and closeouts 314 connections, sealing element 313 are used to open and block relief hole 21.Sealing element 313 can be flexible seals, by flexible close The leakproofness to relief hole 21 can be improved in sealing.

In some instances, seal assembly 31 further includes ring compression part 311, and ring compression part 311, which may be mounted at, to be cooked It prepares food on the lid 20 of utensil 100, and ring compression part 311 is located at the top of relief hole 21.

Further, the outer peripheral edge of sealing element 313 is sealedly connected on the bottom of ring compression part 311, and is located in lid Between 20 and ring compression part 311, to ensure that the installation reliability and leakproofness of sealing element 313.The middle part of sealing element 313 It is connect with closeouts 314, to keep the middle part of sealing element 313 mobile with closeouts 314, to open and block relief hole 21。

In some specific examples, sealing element 313 includes: movable part 3131 and fixed part 3132, movable part 3131 Middle part has card slot 31311, and the lower end side peripheral wall of closeouts 314 has annular groove to form clamp in the lower end of closeouts 314 3141, card slot 31311 and the clamping of clamp 3141 connect.

The surface of relief hole 21 has annular brace muscle, has annular seal groove 31321, annular branch on fixed part 3132 It supports muscle and annular seal groove 31321 is clamped.The outer peripheral edge of fixed part 3132 is pressed on annular brace by ring compression part 311 simultaneously The upper surface of muscle.Preferably, the upper surface of annular brace muscle is equipped with retention bead, increases annular brace muscle and fixed part 3132 Between frictional force.

In some specific examples, also there is installing port on lid 10, the installing port is limited by the annular brace muscle It makes, ring compression part 311 is arranged at installing port, has circular passage 3110, circular passage 3110 in ring compression part 311 Along relief hole 21 center line extend, the outer peripheral edge of sealing element 313 be connected to installing port outer peripheral edge and ring compression part 311 it Between, closeouts 314 are movably disposed in circular passage 3110, and closeouts 314 are connect with the middle part of sealing element 313, driving Component 32 is connect with closeouts 314, for driving closeouts 314 mobile, to open and block relief hole 21.

Further, driving assembly 32 is pressed on the top of ring compression part 311, to make 32 pairs of annular pressures of driving assembly Tight part 311 generates certain pressure, compresses annular compressing member 311 using driving assembly 32, presses ring compression part 311 further Tight seal 313, to realize that the installation of pressure relief device 30 is fixed.

In some instances, the top of ring compression part 311 has mounting groove (not shown), and mounting groove is for accommodating driving At least part of component 32, to driving assembly 32 is located in the mounting groove of ring compression part 311.Wherein, mounting groove Cross sectional dimensions be greater than circular passage 3110 cross sectional dimensions, improve the stability of ring compression part 311.

Further, the bottom of ring compression part 311 has the first convex ribs 3112, and the first convex ribs 3112 can be by sealing element 313 outer peripheral edge is pressed on the outer peripheral edge (i.e. the upper surface of annular brace muscle) of installing port, passes through the compression of the first convex ribs 3112 The top interference fit of effect, the bottom and sealing element 313 that make ring compression part 311 connects, and prevents sealing element 313 from falling off, together When improve leakproofness.

In some instances, the bottom of ring compression part 311 also has the second convex ribs 3113, and the second convex ribs 3113 are plugged on In installing port, sealing element 313 can be pressed on the inner wall of installing port by the second convex ribs 3113, to further prevent sealing element 313 fall off, and improve reliability of structure.

Optionally, ring compression part 311 radially, the second convex ribs 3113 are located at the inside of the first convex ribs 3112, from And at least part of ring compression part 311 is fixed at installing port, make ring compression part 311 to the radial direction of sealing element 313 With axial dual fixation, sealing effect is improved, while being easily installed fixation, improves assembly efficiency.

Advantageously, at least part of the second convex ribs 3113 towards a side surface of the first convex ribs 3112 forms inclined surface, I.e. from the top of ring compression part 311 to the bottom of ring compression part 311, gradually inclination extends inwardly, to make ring compression Part 311 and the interference fit of sealing element 313 connect, and further improve the sealing between ring compression part 311 and sealing element 313 Property.

In some instances, the first convex ribs 3112 form the annular convex rib of the circumferentially extending along ring compression part 311, thus The outer peripheral edge of sealing element 313 can be preferably pressed on to the outer peripheral edge of installing port, prevent it from falling off.

In other examples, the second convex ribs 3113 form annular convex rib, circumferential direction of the annular convex rib along ring compression part 311 Extend, so as to which sealing element 313 to be preferably pressed on to the inner wall of installing port, guarantees the leakproofness of connection.

Below with reference to Fig. 1-Fig. 4 description according to the cooking apparatus 100 of the utility model embodiment.Here cooking apparatus 100 can be electric cooker, electric cooker, electric pressure cooking saucepan etc..

Cooking apparatus 100 includes: pot body 10, lid 20, pressure relief device 30, air extractor 40, switching device 50 and control Device 60.

Pot body 10 has the open cooking cavity 11 in top, and the bottom of pot body 10 is equipped with heating device.Lid 20 is mounted on pot On body 10, there are relief hole 21 and aspirating hole (not shown) on lid 20, aspirating hole is conducted with cooking cavity 11, gas vent 23 It is conducted with the external world.Pressure relief device 30 and air extractor 40 are arranged in lid 20, and air extractor 40 is Miniature diaphragm pump, pressure release Device 30 includes seal assembly 31 and driving assembly 32.

Driving assembly 32 includes driving portion 321, electromagnet 322 and electromagnet push-rod 323.Seal assembly 31 includes annular pressure Tight part 311, sealing element 313 and closeouts 314, the outer peripheral edge of sealing element 313 are sealedly connected on the bottom of ring compression part 311, And be located between lid 20 and ring compression part 311, the middle part of sealing element 313 and the clamping of closeouts 314 connect.Closeouts Between 314 and driving portion 321 also have pressure control elastic component 312, the both ends of pressure control elastic component 312 respectively with closeouts 314 and drive Dynamic portion 321 only supports connection.When driving portion 321 moves down, pressure control elastic component 312 can be made to be pressurized, push 314 He of closeouts Sealing element 313 moves downwardly together, blocks relief hole 21.

Switching device 50 is arranged in pot body 10, and switching device 50 includes touch switch 51, manipulation of switches 52 and supporter 53, the upper end of supporter 53 has grab 532, and pot body 10 is clamped by grab 532 and lid 20, and supporter 53 is passed through with two sides Logical through slot and limit rib 533, through slot constitute holding tank 501, and limit rib 533 protrudes from the inner wall of holding tank 501.Limit rib 533 are limited to microswitch 51 in holding tank 501.Microswitch 51 has stationary contact 511 and movable contact 512, in normal shape Under state (state of i.e. non-pushed manipulation of switches 52), stationary contact 511 and movable contact 512 are separated from each other.

When cooking apparatus 100 works, relief hole 21 is blocked by closeouts 314, sealing state will be formed in cooking cavity 11, Air extractor 40 makes to form negative pressure state in cooking cavity 11 to being evacuated in cooking cavity 11.

When needing to uncap, manipulation of switches 52 is pressed first, moves left and right touch switch 51, it is dynamic on touch switch 51 Contact 512 moves right, and touches stationary contact 511, so that switching device 50 realizes energized state, switching device 50 and control device 60 communications issue electric signal to control device 60, and then control pressure relief device 30 and open relief hole 21, and cooking cavity 11 is led with the external world Logical, the air pressure in cooking cavity 11 is restored to atmospheric pressure, and no pressure is poor inside and outside cooking apparatus 100 at this time, so as to complete to uncap Movement.

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 (12)

1. a kind of cooking apparatus characterized by comprising

Pot body, the pot body have the open cooking cavity in top；

Lid, the lid are movably installed between open and closed positions to the pot body, and the lid has Relief hole；

Pressure relief device, the pressure relief device are set to the lid, are used to open and block the relief hole；

Control device, the control device and the pressure relief device communication connection；

Switching device, the switching device are run between energized state and off-position, and the switching device is in described It is communicated when energized state, with the control device, opens the pressure release to control the pressure relief device by the control device Hole.

2. cooking apparatus according to claim 1, which is characterized in that the switching device has stationary contact and mobilizable Movable contact, the switching device the movable contact and when the stationary contact point contact, be in the energized state.

3. cooking apparatus according to claim 2, which is characterized in that the switching device has holding tank and the switch Device includes:

Microswitch, the microswitch are movably arranged in the holding tank and have the stationary contact and the dynamic touching Point；

Manipulation of switches, for pushing the microswitch to move in the holding tank.

4. cooking apparatus according to claim 3, which is characterized in that the manipulation of switches forms button.

5. cooking apparatus according to claim 3, which is characterized in that the switching device further include:

Supporter, the supporter is located on one in the lid and the pot body, and the supporter is passed through with two sides Logical through slot, the through slot constitute the holding tank.

6. cooking apparatus according to claim 5, which is characterized in that the supporter be movably located at the lid and One in the pot body is upper and has the grab being suitable for another clamping in the lid and the pot body.

7. cooking apparatus according to claim 5 or 6, which is characterized in that the supporter is equipped with for described micro- The limit rib that dynamic switch is limited, and the limit rib protrudes from the inner wall of the holding tank.

8. cooking apparatus according to claim 1, which is characterized in that the lid has aspirating hole, the cooking apparatus It further include air extractor, the air extractor is connected to will form negative pressure in the cooking cavity with the aspirating hole.

9. cooking apparatus according to claim 1 or 8, which is characterized in that the pressure relief device includes:

It is used to open and blocks the seal assembly of the relief hole, the seal assembly is located at the relief hole and including removable Dynamic closeouts；

Driving assembly for driving the closeouts mobile, the driving component connect with the closeouts and with the control Device communication.

10. cooking apparatus according to claim 9, which is characterized in that the driving component includes electromagnet and by described The electromagnet push-rod of solenoid actuated, the electromagnet and the control device are communicated to control electromagnet push-rod driving institute It is mobile to state closeouts.

11. cooking apparatus according to claim 10, which is characterized in that the end of the electromagnet push-rod, which has, only to be supported Portion, the driving component further include return springs, the both ends of the return springs respectively with the retaining part and the electricity Magnet only supports connection.

12. cooking apparatus according to claim 10, which is characterized in that the closeouts and the equal edge of the electromagnet push-rod It is longitudinally movable, and pressure control elastic component is connected between the electromagnet push-rod and the closeouts.