CN208658896U - Cooking apparatus - Google Patents

Abstract

The utility model discloses a kind of cooking apparatus, the 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 stomata；Electromagnetism potential device, electromagnetism potential device are installed on pot body or lid and include: shell, and there is shell the first port, second excessively to cross port, and first crosses port is connected to stomata；The electromagnetism closeouts being reciprocally moveable between the first position and the second position, electromagnetism closeouts and shell limit the airflow channel of variable volume, electromagnetism potential device be configured to electromagnetism closeouts from first position to the second position when mobile, the volume of airflow channel be gradually reduced, port and the second mistake port are crossed by airflow channel connection first at first position.According to the cooking apparatus of the utility model embodiment, the service life is high, is not susceptible to gas leakage, user experience is good.

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

Vacuum electrothermal pot in the related technology realizes vacuumizing function by setting vacuum pump and solenoid valve.

Wherein, vacuum pump is used to take away air in pot, and vacuum pump mainly includes motor, cam head and diaphragm, motor rotation Turn that cam head is made constantly to compress or unclamp diaphragm, generate suction and the air in pot is sucked out, to make to form negative pressure in pot.So And high-speed rotating motor and cam head can rub to diaphragm, cause the rupture of diaphragm, to lose suction function, lead Cause vacuumizes failure；The high speed rotation of motor also generates biggish noise, influences user experience.

Solenoid valve is used to block or open the connection in pot with atmosphere, needs to be arranged independent conducting wire and plug-in unit in electric cooker Solenoid valve is powered, so as to cause circuit board load increase, Wen Shenggao, life of product decline, and solenoid valve cost compared with It is high.In addition, pumping gas circuit is truncated into multistage including solenoid valve setting between pot and vacuum pump, so that installation is complicated, and it is easy Gas leakage, so as to cause failure is vacuumized, 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 mentions A kind of cooking apparatus out, the cooking apparatus structure is simple, and user experience is good.

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 has gas Hole；Electromagnetism potential device, the electromagnetism potential device are installed on the pot body or the lid and include: shell, the shell Port is crossed with the first port, second excessively, described first crosses port is connected to the stomata；First position and the second position it Between the electromagnetism closeouts that are reciprocally moveable, the electromagnetism closeouts and the shell limit the airflow channel of variable volume, institute State electromagnetism potential device be configured to the electromagnetism closeouts it is mobile to the second position from the first position when, the gas The volume of circulation road is gradually reduced, and is connected to described first by the airflow channel at the first position and is crossed port and described Second crosses port.

According to the cooking apparatus of the utility model embodiment, by being arranged electromagnetism potential device, electromagnetism closeouts it is reciprocal When mobile, so that the volume of airflow channel constantly changes, so that culinary art intracavity gas be made constantly to be extracted, culinary art is thereby reduced Intracavitary air pressure efficiently solves and is used when vacuum pump in the related technology, wears and make an uproar caused by motor high-speed friction diaphragm Mail topic, improves the service life of product；Solenoid valve is eliminated simultaneously, pumping gas circuit is avoided and is truncated into multistage, simple installation, It is not susceptible to gas leakage, user experience is good.

According to the cooking apparatus of the utility model embodiment, the stomata, described first port, described first excessively cross port One in gas circuit between the stomata is equipped with check valve, so that air-flow is unidirectional from the stomata to the described first port excessively Flowing.

According to the cooking apparatus of the utility model embodiment, the electromagnetism potential device further includes electromagnetic coil, the electricity Magnetic coil along the electromagnetism closeouts moving direction winding on the housing.

According to the cooking apparatus of the utility model embodiment, the electromagnetism closeouts block institute when being located at the second position It states first and crosses port.

According to the cooking apparatus of the utility model embodiment, the inner wall of the electromagnetism closeouts and the shell, which seals, to be connected It connects.

Specifically, the electromagnetism closeouts are tightly connected by the inner wall of sealing element and the shell, and the electromagnetism seals The periphery wall of blocking piece has the annular groove for accommodating the sealing element.

According to the cooking apparatus of the utility model embodiment, the electromagnetism closeouts are disposed in the housing, the air-flow The inner wall of side and the shell that port is crossed towards described first by the electromagnetism closeouts in channel limits.

According to the cooking apparatus of the utility model embodiment, electromagnetism closeouts include: iron core, and the iron core is described first It is moved between position and the second position；Sealing, the sealing be connected to the iron core towards first mistake Port is crossed for blocking described first in the side of port.

Optionally, the shell forms column, and described first crosses the end that port is set to the shell, and described second crosses gas Mouth is set to the side of the shell, and the iron core is axially extending along the shell.

Further, the iron core includes: the first iron core portion, and the inner wall sealing of first iron core portion and the shell connects It connects；Along the second axially extending iron core portion of the shell, the one end in second iron core portion is connect with first iron core portion, The other end in second iron core portion connects the sealing, and the cross-sectional area in second iron core portion is less than described first The cross-sectional area in iron core portion.

Optionally, the sealing forms open at one end, the closed sealing shroud of the other end to be coated on the court of the iron core The side for crossing port to described first.

According to the cooking apparatus of the utility model embodiment, the electromagnetism potential device is electromagnetic pump.

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, wherein electromagnetism closeouts are located at the second position；

Fig. 3 is the enlarged drawing of A structure in Fig. 1, wherein electromagnetism closeouts are located at first position；

Fig. 4 is the flow chart according to the control method of the cooking apparatus of the utility model embodiment.

Appended drawing reference:

Cooking apparatus 100,

Pot body 10, cooking cavity 11,

Lid 20, stomata 21, connecting tube 22,

Electromagnetism potential device 30, shell 31, first crosses port 311, and second crosses port 312, electromagnetism closeouts 32, iron core 322, the first iron core portion 3221, the second iron core portion 3222, sealing 323, sealing element 33, airflow channel 34.

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

It as Figure 1-Figure 4, include: pot body 10, lid 20 according to the cooking apparatus 100 of the utility model one embodiment With electromagnetism potential device 30.

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 between closed position to set, and has stomata 21 on lid 20, electromagnetism potential device 30 is mounted on pot body 10 or lid 20.

Electromagnetism potential device 30 includes shell 31 and electromagnetism closeouts 32, and shell 31 has first to cross port 311 and second Port 312 is crossed, first crosses port 311 is connected to stomata 21；Electromagnetism closeouts 32 can be between the first position and the second position It moves back and forth, electromagnetism closeouts 32 and shell 31 limit airflow channel 34, and the volume of airflow channel 34 can change.Its In, electromagnetism potential device 30 is configured to following state: when electromagnetism closeouts 32 are mobile to the second position from first position, gas The volume of circulation road 34 is gradually reduced, and at first position, the first port 311 and the second port 312 excessively excessively passes through airflow channel 34 connections.

According to the cooking apparatus 100 of the utility model embodiment, by the way that electromagnetism potential device 30, electromagnetism closeouts 32 are arranged When reciprocating movement, so that the volume of airflow channel 34 constantly changes, so that gas in cooking cavity 11 be made constantly to be extracted, and then drop Air pressure in low cooking cavity 11, when efficiently solving in the related technology using vacuum pump, motor high-speed friction diaphragm causes Abrasion and noise problem, improve the service life of product；Simultaneously eliminate solenoid valve, avoid pumping gas circuit be truncated into it is more Section, simple installation are not susceptible to gas leakage, and user experience is good.

One embodiment according to the present utility model, stomata 21, first cross port 311, first and cross port 311 and stomata 21 Between gas circuit in one be equipped with check valve, so as to so that air-flow from stomata 21 to first cross 311 one-way flow of port, prevent Only gas flow counterflow is conducive to improve electromagnetism change to guarantee that cooking cavity 11 can be pumped into negative pressure state by electromagnetism potential device 30 The working efficiency of pressure device 30.

One embodiment according to the present utility model, electromagnetism potential device 30 further include electromagnetic coil, and electromagnetic coil is along electricity The moving direction of magnetic closeouts 32 is wound around on shell 31, by the way that electromagnetic coil is arranged, when to electromagnetic coil indirect current, and control Electromagnetism closeouts 42 move back and forth, to make the volume change of airflow channel 34, compared to traditional mechanical control method, knot Structure is simpler, and accurately, conveniently, effect is good for control.

One embodiment according to the present utility model, when electromagnetism closeouts 32 are located at the second position, electromagnetism closeouts 32 It blocks first and crosses port 311, so as to further prevent back flow of gas, prevent in exhaust, air-flow passes through first and crosses port 311 enter in cooking cavity 11.

The inner wall of one embodiment according to the present utility model, electromagnetism closeouts 32 and shell 31 is tightly connected, thus When the second position, it is ensured that the leakproofness of airflow channel 34, while during electromagnetism closeouts 32 are mobile, improve electromagnetism The leakproofness that closeouts 32 are connect with shell 31.

As shown in Fig. 2, electromagnetism closeouts 32 are close by sealing element 33 and the inner wall of shell 31 in some specific examples Envelope connection, the periphery wall of electromagnetism closeouts 32 have annular groove, and annular groove is for accommodating sealing element 33, and annular groove is to sealing element 33 It can play the role of positioning, prevent sealing element 33 from shifting or being detached from and influencing during electromagnetism closeouts 32 are mobile Leakproofness.

As depicted in figs. 1 and 2, one embodiment according to the present utility model, electromagnetism closeouts 32 are arranged in shell 31, The inner wall of side and shell 31 that electromagnetism closeouts 32 cross port 311 towards first limits airflow channel 34, electromagnetism closeouts 32 move back and forth between the first position and the second position, open or close first and cross port 311, while making in airflow channel 34 Gas volume constantly change, be extracted gas in cooking cavity 11 constantly, thereby reduce the air pressure in cooking cavity 11.

As shown in Figures 2 and 3, one embodiment according to the present utility model, electromagnetism closeouts 32 include: 322 He of iron core Sealing 323, iron core 322 can move between the first position and the second position, and sealing 323 is connected to the court of iron core 322 The side for crossing port 311 to first, sealing 323 cross port 311 for blocking first.

In some instances, shell 31 forms column, and first crosses the end that shell 31 is arranged in port 311, and second crosses gas The side of shell 31 is arranged in mouth 312, and iron core 322 is axially extending along shell 31, and iron core 322 is in the axial movement along shell 31 When, it can open or block first and cross port 311, and in iron core 322 is mobile, second, which crosses port 312, is automatically opened or closed.

As shown in Figures 2 and 3, in some specific examples, iron core 322 includes the first iron core portion 3221 and the second iron core Portion 3222, the first iron core portion 3221 and the inner wall of shell 31 are tightly connected, the second iron core portion 3222 along the axially extending of shell 31, The one end in the second iron core portion 3222 is connect with the first iron core portion 3221, and the other end in the second iron core portion 3222 connects sealing 323, And second iron core portion 3222 cross-sectional area less than the first iron core portion 3221 cross-sectional area, to make the second iron core portion Airflow channel 34 can be limited between 3222 and the inner wall of shell 31.

In some instances, sealing 33 forms open at one end, the closed sealing shroud of the other end, so as to be coated on iron The direction first of core 322 crosses the side (left side as shown in Figures 2 and 3) of port 311, sealing 33 and the fixed company of iron core 322 It connects, to be moved between the first position and the second position with iron core 322, opens or block first and cross port 311.

One embodiment according to the present utility model, electromagnetism potential device 30 are electromagnetic pump.By electromagnetic pump to cooking cavity 11 are evacuated, so as to easily adjust the air pressure in cooking cavity 11, and since the gas capacity in cooking cavity 11 is smaller, Therefore the time opened by controlling electromagnetic pump, pumping effect and temperature rise effect can be efficiently controlled, electromagnetism pump temperature is prevented It is excessively high, influence using effect.

As shown in Figure 1, one embodiment according to the present utility model, first crosses port 311 is connected to by connecting tube 22 The shell 31 of electromagnetism potential device 30 is connected to by connecting tube 22 by stomata 21 with stomata 21, consequently facilitating electromagnetism transformation The installation and fixation of device 30 allow to be arranged to suitable position, and realize the conducting with stomata 21.

As shown in figure 4, according to the control method of the cooking apparatus of the utility model embodiment, comprising the following steps:

The work of electromagnetism potential device is controlled, and records the working time T of electromagnetism potential device, detects the pressure in cooking cavity P；

When the preset time T of working time T >=first 1 of electromagnetism potential device, or when detect pressure P in cooking cavity≤ When preset pressure when P1, control electromagnetism closeouts are in the second position；

Pressure P > preset pressure in the first preset time T of working time T < 1 and cooking cavity of electromagnetism potential device When P1 when, control electromagnetism closeouts move back and forth until pressure in cooking cavity P1 when reaching preset pressure.

According to the control method of the cooking apparatus of the utility model embodiment, using electromagnetism potential device, and according to electromagnetism The work of real-time pressure value co- controlling electromagnetism potential device in the working time and cooking cavity of potential device, can reduce and cook It prepares food intracavitary air pressure, the pressure in cooking cavity is made to reach preset pressure, when efficiently solving in the related technology using vacuum pump, Abrasion and noise problem, improve service life and the user experience of product caused by motor high-speed friction diaphragm.

In some specific examples, when the control method of cooking apparatus includes: to being evacuated in cooking cavity, electromagnetism transformation dress Start-up operation is set, and records the working time T of electromagnetism potential device, detects the pressure P in cooking cavity；

(1) when the pressure P in the first preset time T of working time T < 1 and cooking cavity of electromagnetism potential device≤default pressure When power when P1, control electromagnetism closeouts are in the second position, keep vacuum negative pressure condition in cooking cavity；

(2) when the default pressure of pressure P > in the first preset time T of working time T < 1 and cooking cavity of electromagnetism potential device When power when P1, control electromagnetism closeouts move back and forth the P1 when pressure in cooking cavity reaches preset pressure；

(3) when the preset time T of working time T >=first 1 of electromagnetism potential device and when detecting pressure P in cooking cavity When > preset pressure when P1, control electromagnetism closeouts are in the second position, and record the dwell time t of electromagnetism closeouts.

Further, when dwell time t the second preset time T 2 of < of electromagnetism closeouts, control electromagnetism closeouts are kept The second position and continue record electromagnetism closeouts dwell time；When dwell time t >=the second of electromagnetism closeouts is default Between T2 when, control electromagnetism closeouts continue to move back and forth, until P1 when reaching preset pressure of the pressure in cooking cavity.

As a result, according to the real-time pressure value co- controlling electromagnetism transformation in the working time and cooking cavity of electromagnetism potential device The work of device can make the pressure in cooking cavity reach preset pressure.

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

As shown in Figure 1-Figure 3, cooking apparatus 100 includes: pot body 10, lid 20 and electromagnetism potential device 30.

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 between closed position to set, and has stomata 21 on lid 20, electromagnetism potential device 30 is mounted on lid 20, electromagnetism transformation Device 30 includes shell 31, electromagnetism closeouts 32 and sealing element 33.

Shell 31 crosses port 311 and second with first and crosses port 312, and first crosses the left side that shell 31 is arranged in port 311 End, second crosses the upside that shell 31 is arranged in port 312, and first, which crosses port 311, is connected to by connecting tube 22 with stomata 21.

Electromagnetism closeouts 32 can move left and right in shell 31, so that opening or block first crosses port 311.Electromagnetism envelope Blocking piece 32 includes the first iron core portion 3221, the second iron core portion 3222 and sealing 323, and the periphery wall in the first iron core portion 3221 has Annular groove, sealing element 33 are placed in a ring groove, to make inner wall of the first iron core portion 3221 by sealing element 33 and shell 31 It is tightly connected, the cross-sectional area of the cross-sectional area less than the first iron core portion 3221 in the second iron core portion 3222, the second iron core portion Airflow channel 34 is limited between 3222 and the inner wall of shell 31, the right end in the second iron core portion 3222 and the first iron core portion 3221 connect It connects, sealing 33 is coated on the left end in the second iron core portion 3222, and sealing 33 can be opened or be sealed during moving left and right Stifled first crosses port 311.

When electromagnetism closeouts 32 are located at first position, sealing 33 opens first and crosses port 311；When electromagnetism closeouts 32 When positioned at the second position, sealing 33 blocks first and crosses port 311；When electromagnetism closeouts 32 are moved from first position to the second position When dynamic, second, which crosses port 312, is opened, and the volume of airflow channel 34 is gradually reduced；When electromagnetism closeouts 32 are from the second position to When one position is mobile, first, which crosses port 311 and second, crosses the opening of port 312, and the volume of airflow channel 34 is gradually increased.

100 course of work of cooking apparatus is as follows:

When to being evacuated in cooking cavity 11, electromagnetism potential device 30 is started to work, the left and right in shell 31 of electromagnetism closeouts 32 It is mobile, while the working time T of electromagnetism potential device 30 is recorded, and detect the pressure P in cooking cavity 11.

It specifically, can be by the gas in cooking cavity 11 when electromagnetism closeouts 32 are mobile to first position from the second position Extraction, and be stored in airflow channel 34；When electromagnetism closeouts 32 are mobile to the second position from first position, air-flow can be led to Gas in road 34 crosses port 312 by second and is discharged to the external world, and 32 perseveration of electromagnetism closeouts constantly extracts cooking cavity 11 Interior gas is discharged into the external world, reduces the air pressure in cooking cavity 11 constantly, realizes negative pressure state.

(1) when the pressure P in the first preset time T of working time T < 1 and cooking cavity of electromagnetism potential device≤default pressure When power when P1, control electromagnetism closeouts 32 are moved to the left, so that port 311 is crossed in closing first, make to keep vacuum in cooking cavity 11 Negative pressure state.

(2) when the default pressure of pressure P > in the first preset time T of working time T < 1 and cooking cavity of electromagnetism potential device When power when P1, control electromagnetism closeouts 32 are moved left and right, to continue to be evacuated cooking cavity 11, until the pressure in cooking cavity 11 reaches P1 stops when to preset pressure.

(3) when the default pressure of pressure P > in the preset time T of working time T >=first 1 and cooking cavity of electromagnetism potential device When power when P1, control electromagnetism closeouts 32 are moved to the left the second position, so that port 311, and start recording are crossed in closing first The dwell time t of electromagnetism closeouts.

In the process, if when dwell time t the second preset time T 2 of < of electromagnetism closeouts, electromagnetism closeouts 32 are controlled It is maintained at the second position, and continues to record the dwell time of electromagnetism closeouts 32；If dwell time t >=the second of electromagnetism closeouts When preset time T 2, control electromagnetism closeouts 32 continue to move left and right, until when the pressure in cooking cavity 11 reaches preset pressure P1 stops movement.

(4) when needing to release negative pressure state, electromagnetism closeouts 32 is made to move right, is located at open position, opened First crosses port 311, opens simultaneously second and crosses port 312, makes cooking cavity 11 and extraneous conducting, to make to restore in cooking cavity 11 Normal pressure；Or the pressure relief vent in opening cooking apparatus, make cooking cavity 11 and extraneous conducting, to keep recovery in cooking cavity 11 normal Pressure.

In some instances, the volume of cooking cavity 11 is 4L, reaches first in advance when the working time of electromagnetism potential device 30 If time T1, the first preset time T 1 is less than or equal to 60s, air pressure drop in cooking cavity 11 can be made down to 30KPa, at this time electromagnetism The temperature increase amount of potential device 30 is in normal range, to will not influence the using effect of electromagnetism potential device 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 (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 Stomata；

Electromagnetism potential device, the electromagnetism potential device are installed on the pot body or the lid and include:

There is the first port, second excessively to cross port for shell, the shell, and described first crosses port is connected to the stomata；

The electromagnetism closeouts being reciprocally moveable between the first position and the second position, the electromagnetism closeouts and the shell limit The airflow channel of variable volume is made,

When the electromagnetism closeouts that the electromagnetism potential device are configured to are moved from the first position to the second position, The volume of the airflow channel is gradually reduced, and is connected to described first by the airflow channel at the first position and is crossed gas Mouth and described second crosses port.

2. cooking apparatus according to claim 1, which is characterized in that the stomata, described first cross port, described first One crossed in the gas circuit between port and the stomata is equipped with check valve, so that air-flow crosses gas from the stomata to described first Mouth one-way flow.

3. cooking apparatus according to claim 1, which is characterized in that the electromagnetism potential device further includes electromagnetic coil, The electromagnetic coil along the electromagnetism closeouts moving direction winding on the housing.

4. cooking apparatus according to claim 1, which is characterized in that when the electromagnetism closeouts are located at the second position It blocks described first and crosses port.

5. cooking apparatus according to claim 1, which is characterized in that the electromagnetism closeouts and the inner wall of the shell are close Envelope connection.

6. cooking apparatus according to claim 5, which is characterized in that the electromagnetism closeouts pass through sealing element and the shell The inner wall of body is tightly connected, and the periphery wall of the electromagnetism closeouts has the annular groove for accommodating the sealing element.

7. cooking apparatus according to claim 1, which is characterized in that the electromagnetism closeouts are disposed in the housing, institute The inner wall for stating side and the shell that airflow channel crosses port towards described first by the electromagnetism closeouts limits.

8. cooking apparatus according to claim 1, which is characterized in that electromagnetism closeouts include:

Iron core, the iron core move between the first position and the second position；

Sealing, the sealing is connected to the side for crossing port towards described first of the iron core, for blocking described the One crosses port.

9. cooking apparatus according to claim 8, which is characterized in that the shell forms column, and described first crosses port Set on the end of the shell, described second crosses the side that port is set to the shell, axial direction of the iron core along the shell Extend.

10. cooking apparatus according to claim 9, which is characterized in that the iron core includes:

The inner wall of first iron core portion, first iron core portion and the shell is tightly connected；

Along the second axially extending iron core portion of the shell, the one end and first iron core portion in second iron core portion connect It connects, the other end in second iron core portion connects the sealing, and the cross-sectional area in second iron core portion is less than described The cross-sectional area in the first iron core portion.

11. cooking apparatus according to claim 8, which is characterized in that the sealing forms open at one end, another end seal The sealing shroud closed be coated on the iron core towards it is described first cross port side.

12. cooking apparatus described in any one of -11 according to claim 1, which is characterized in that the electromagnetism potential device is electricity Magnetic pumping.