CN210673083U - Pot cover assembly of cooking utensil and cooking utensil - Google Patents

Abstract

The utility model discloses a cooking utensil's pot cover assembly and cooking utensil, the pot cover assembly includes: the pot cover is provided with a first mounting area and a second mounting area; and the air exhaust device is arranged in the second mounting area and is suitable for being connected with the air exhaust hole, wherein the first mounting area is over against the cooking cavity and the second mounting area surrounds the cooking cavity when the pot cover is in a state of closing the cooking cavity. According to the utility model discloses cooking utensil's pot cover assembly is through installing air exhaust device in the relatively lower second installation area of the temperature of pot cover to avoid the heat source, prevent that air exhaust device from becoming invalid because of being heated for a long time, extension air exhaust device's life.

Description

Pot cover assembly of cooking utensil and cooking utensil

Technical Field

The utility model belongs to the technical field of life electrical apparatus technique and specifically relates to a cooking utensil's pot cover assembly and cooking utensil are related to.

Background

Be equipped with heating element in cooking utensil's the pot cover, lead to near the part of heating element in the pot cover to lose efficacy because of being heated for a long time easily, seriously influence the life of part.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a pot cover assembly of a cooking appliance, wherein the components in the pot cover assembly are reasonably arranged, and can be prevented from losing efficacy due to long-term heating.

The utility model discloses still provide a cooking utensil of pot cover assembly who has above-mentioned cooking utensil.

According to the utility model discloses cooking utensil's pot cover assembly of first aspect embodiment includes: the pot cover is provided with a first mounting area and a second mounting area, the projection of the second mounting area on the plane of the pot cover surrounds the projection of the first mounting area on the plane of the pot cover, and the pot cover is also provided with an air exhaust hole; the air exhaust device is arranged in the second mounting area and is suitable for being connected with the air exhaust hole, negative pressure is formed in the cooking cavity of the cooking appliance, and the first mounting area is opposite to the cooking cavity and the second mounting area surrounds the cooking cavity when the pot cover is in a state of closing the cooking cavity.

According to the utility model discloses cooking utensil's pot cover assembly is through installing air exhaust device in the relatively lower second installation area of the temperature of pot cover to avoid the heat source, prevent that air exhaust device from becoming invalid because of being heated for a long time, extension air exhaust device's life.

According to some embodiments of the present invention, the pot cover assembly of the cooking appliance further comprises a solenoid valve, the solenoid valve is disposed in the second mounting region and connected between the air exhaust hole and the air exhaust device for controlling the on/off between the air exhaust hole and the air exhaust device, wherein the air exhaust device and the solenoid valve are located on the same side of the first mounting region; and/or the pot cover is provided with a connecting part which is hinged with the pot body, and the air exhaust device is arranged close to the connecting part; and/or a one-way valve arranged close to the air extracting device is arranged on the cooker cover, the one-way valve is arranged in the air extracting hole or between the air extracting hole and the air extracting device, and the one-way valve is communicated in one way only when air flows from the air extracting hole to the air extracting device.

According to some embodiments of the utility model, the pot cover has the pressure release hole, be equipped with in the pot cover and be used for opening and closing the electromagnetism pressure relief device of pressure release hole.

In some embodiments, the pot cover further has a third installation area, a projection of the third installation area on a plane of the pot cover is located in a middle of a projection of the first installation area on the plane of the pot cover, and the electromagnetic pressure relief device and the pressure relief hole are located in the third installation area.

In some embodiments, the lid is provided with a display panel in communication with a power panel of the cooking appliance, and at least one powered feature of the cooking appliance is connected to the display panel by a wire having a terminal.

In some embodiments, a terminal receiving box is arranged in the pot cover, and the connecting terminal is located in the terminal receiving box.

In some examples, the terminal storage box includes a base body and a cover body, a receiving cavity for receiving the terminal is defined between the base body and the cover body, and the cover body is rotatable relative to the base body or detachably connected with the base body; and/or at least two fixing parts which are arranged at intervals are arranged in the terminal containing box, and the wiring terminal is clamped between the two fixing parts; and/or the wall of the terminal containing box is provided with a wire passing hole communicated with the inside and the outside of the containing cavity; and/or at least one of the outer wall of the terminal containing box and the pot cover is provided with a wire buckle for fixing the wire.

According to some embodiments of the utility model, the pot cover includes the inner cup and locates cover the face lid of interior cover, the inner cup with be equipped with the control box between the face lid, the control box with the inner cup joint links to each other.

In some embodiments, one of the control box and the inner lid is provided with an elastic buckle extending towards the other, and the other of the control box and the inner lid is provided with a clamping hole matched with the elastic buckle; and/or one of the control box and the inner cover is provided with a positioning column extending towards the other, and the other of the control box and the inner cover is provided with a positioning hole matched with the positioning column; and/or, the inner cover is provided with a supporting column for supporting the control box; and/or one of the control box and the inner cover is provided with a limiting rib, and the other of the control box and the inner cover is provided with a limiting groove matched with the limiting rib.

According to the second aspect of the present invention, a cooking apparatus includes the pot cover assembly of the cooking apparatus according to the above embodiments.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a top view of a cooking appliance according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a cooking appliance according to an embodiment of the present invention;

FIG. 3 is a schematic view of a lid assembly of the cooking appliance in one perspective;

FIG. 4 is a schematic structural view of the lid assembly of the cooking appliance from another perspective;

FIG. 5 is a schematic structural view of a lid assembly of the cooking appliance from yet another perspective;

FIG. 6 is a wire connection schematic of the lid assembly of the cooking appliance;

FIG. 7 is another wire connection schematic of the lid assembly of the cooking appliance;

fig. 8 is a schematic structural view of the terminal accommodation case;

FIG. 9 is a partial exploded view of the lid assembly of the cooking appliance;

FIG. 10 is a schematic view of a portion of the structure of the lid assembly of the cooking appliance when assembled;

fig. 11 is an enlarged view of a portion a shown in fig. 10;

FIG. 12 is a schematic view of a portion of the structure of the lid assembly of the cooking appliance assembled from another perspective;

fig. 13 is an enlarged view of a portion B shown in fig. 12;

fig. 14 is an enlarged view of the portion C shown in fig. 12.

Reference numerals:

the cooking appliance 100 is provided with a cooking unit,

a pot body 10, an inner pot 11, a cooking cavity 12, a power supply board 13,

a pot cover assembly 20, a pressure relief hole 202,

a first mounting area 203, a second mounting area 204, a third mounting area 205,

a pot cover 21, an inner cover 211, a face cover 212, a cover plate component 213, a heat preservation cover plate 214,

an air extractor 22, an electromagnetic valve 23, a one-way valve 24, an electromagnetic pressure relief device 25, a display panel 26,

a terminal storage box 27, a wiring terminal 2701, a lead 2702, a base body 271, a cover 272, a fixing part 273, a wire buckle 274, a threading groove 275, a fixing hook 276, a fixing hole 277, a threading hole 278,

the control box 28, the elastic buckle 281, the clamping hole 282, the positioning column 283, the positioning hole 284, the supporting column 285, the limiting rib 286 and the limiting groove 287.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A pot cover assembly 20 of a cooking appliance according to an embodiment of the present invention is described below with reference to fig. 1 to 14.

As shown in fig. 1 to 5, a pot cover assembly 20 of a cooking appliance according to an embodiment of the present invention includes a pot cover 21, an air extractor 22, and a solenoid valve 23.

The pot cover 21 has a first mounting area 203 and a second mounting area 204, and the projection of the second mounting area 204 on the plane of the pot cover 21 surrounds the projection of the first mounting area 203 on the plane of the pot cover 21. The lid 21 further has an air extracting hole, and the air extracting device 22 is connected to the air extracting hole for forming a negative pressure in the cooking cavity 12 of the cooking appliance 100.

Wherein, under the state that the pot cover 21 is closing the cooking cavity 12, the first mounting area 203 is facing the cooking cavity 12, the second mounting area 204 surrounds the cooking cavity 12, the temperature of the first mounting area 203 is higher than the temperature of the second mounting area 204, the air extractor 22 is arranged in the second mounting area 204, that is, the air extractor 22 is arranged in the area with relatively lower temperature.

According to the utility model discloses cooking utensil 100's pot cover assembly 20 is through installing air exhaust device 22 at the relatively lower second installation region 204 of temperature of pot cover 21 to avoid the heat source, prevent that air exhaust device 22 from becoming invalid because of being heated for a long time, prolong air exhaust device 22's life.

According to some embodiments of the utility model, the solenoid valve 23 is connected between aspirating hole and air exhaust device 22 for the break-make between control aspirating hole and the air exhaust device 22, second installation area 204 is located to solenoid valve 23. The electromagnetic valve 23 is arranged in the second mounting area 204 of the pot cover 21 with relatively low temperature, so that a heat source is avoided, the electromagnetic valve 23 is prevented from being failed due to long-term heating, and the service life of the electromagnetic valve 23 is prolonged.

In order to facilitate the connection between the air extracting device 22 and the electromagnetic valve 23, and to make the layout of the components inside the pot cover 21 compact so as to save the space of the pot cover 21 and achieve the miniaturization of the pot cover 21, the air extracting device 22 and the electromagnetic valve 23 are collectively arranged in the second mounting region 204 and are located on the same side of the first mounting region 203. In addition, the air exhaust device 22 and the electromagnetic valve 23 are arranged on the same side of the first installation area 203, so that the positions of the air exhaust device 22 and the electromagnetic valve 23 are closer, interference with other parts can be reduced, and the length of a pipeline between the air exhaust device 22 and the electromagnetic valve 23 is reduced, so that pressure loss is reduced, and blockage prevention is realized.

Wherein, the pot cover 21 is provided with a connecting part for being hinged with the pot body 10, and the air extracting device 22 is arranged close to the connecting part. Specifically, the connecting portion is located at the rear of the lid 21, and the air extractor 22 and the solenoid valve 23 are arranged at a rear position in the second mounting region 204, so that the center of gravity of the lid assembly 20 is moved backward, thereby reducing the rotational moment of inertia and facilitating the prevention of pot jumping.

As shown in fig. 3, according to some embodiments of the present invention, the pot cover 21 is provided with the check valve 24, the check valve 24 is disposed adjacent to the air exhaust device 22, which not only can shorten the length of the pipeline between the air exhaust device 22 and the check valve 24, thereby reducing the pressure loss, but also can be connected to the air exhaust device 22 and the check valve 24, so that the layout of the components in the pot cover 21 is more compact, thereby saving the space of the pot cover 21 and realizing the miniaturization of the pot cover 21.

The check valve 24 is disposed between the air extraction hole or the air extraction hole and the air extraction device 22, and the check valve 24 is configured to be in one-way communication only when the air flows from the air extraction hole to the air extraction device 22, so as to prevent the air flow from flowing back.

As shown in fig. 2 and 3, according to some embodiments of the present invention, the pot cover 21 has a pressure relief hole 202, an electromagnetic pressure relief device 25 for opening and closing the pressure relief hole 202 is provided in the pot cover 21, and the on/off between the cooking cavity 12 and the atmosphere can be realized through the electromagnetic pressure relief device 25.

In some embodiments, the lid 21 further has a third mounting region 205, a projection of the third mounting region 205 on a plane of the lid 21 is located in a middle of a projection of the first mounting region 203 on the plane of the lid 21, the pressure relief hole 202 is located in the third mounting region 205, and the electromagnetic pressure relief device 25 is located in the third mounting region 205.

Since the pressure relief hole 202 can realize communication between the cooking cavity 12 and the atmosphere, and the pressure relief hole 202 is disposed in the third mounting region 205, the temperature of the third mounting region 205 is lower than that of the first mounting region 203, and by disposing the electromagnetic pressure relief device 25 in the third mounting region 205, failure of the electromagnetic pressure relief device 25 due to long-term heating can be prevented, and the service life of the electromagnetic pressure relief device 25 can be prolonged.

As shown in fig. 4, the lid assembly 20 of the cooking apparatus further includes a heat insulation cover plate 214, the heat insulation cover plate 214 is located right above the cooking cavity 12, and a heating assembly (not shown) is disposed on the heat insulation cover plate 214 to realize the heat insulation function of the cooking apparatus 100.

The projection of the first mounting area 203 on the plane of the insulating cover 214 corresponds to the insulating cover 214, the projection of the second mounting area 204 on the plane of the insulating cover 214 is located at the periphery of the insulating cover 214, and the projection of the third mounting area 205 on the plane of the insulating cover 214 is located in the middle of the insulating cover 214, so that the first mounting area 203 is higher in temperature than the second mounting area 204 and the third mounting area 205.

As shown in fig. 6 to 8, in some embodiments, the lid 21 is provided with a display panel 26 communicating with the power panel 13 of the cooking appliance 100, and at least one power-on functional component of the cooking appliance is connected with the display panel 26 through a wire 2702 having a connection terminal 2701. Wherein, the electrifying functional components are an air exhaust device 22, an electromagnetic valve 23, an electromagnetic pressure relief device 25 or a sensor and the like.

For example, the air extracting device 22 is a vacuum pump, each of the vacuum pump, the electromagnetic valve 23 and the electromagnetic pressure relief device 25 is connected with the display board 26 through a wire 2702 with a connecting terminal 2701, so as to realize communication with the power panel 13, the air extracting device 22, the electromagnetic valve 23 and the electromagnetic pressure relief device 25 are directly connected with the display board 26 through the wire 2702 with the connecting terminal 2701, so that the wire 2702 of the electrified part of the air extracting device 22, the electromagnetic valve 23 and the electromagnetic pressure relief device 25 does not need to penetrate out of the pot cover 21 and into the pot body 10, the connection is convenient, and the problem of wire breakage during opening the cover can be avoided.

In some embodiments, a terminal receiving box 27 is disposed in the lid 21, and the connection terminal 2701 is disposed in the terminal receiving box 27. By providing the terminal housing case 27, the connection terminal 2701 can be protected from water vapor to corrode the connection terminal 2701.

In some examples, the terminal accommodating case 27 includes a base body 271 and a cover 272, a receiving cavity for receiving the wiring terminal 2701 is defined between the base body 271 and the cover 272, and the cover 272 is rotatable relative to the base body 271; alternatively, the cover 272 and the base 271 may be detachably connected.

For example, the base 271 and the cover 272 can be rotatably connected by the flexible portion, and the base 271, the cover 272 and the flexible portion are integrally formed, so that the production process is less; for another example, the base 271 and the cover 272 can be separately formed and then rotatably connected by a hinge (e.g., a hinge); for another example, the base 271 and the cover 272 can be formed separately, so as to be easily assembled and disassembled.

In some examples, at least two fixing portions 273 are provided in the terminal housing case 27, and the wire connecting terminal 2701 is sandwiched between the two fixing portions 273, thereby positioning the wire connecting terminal 2701. Among them, the fixing portion 273 may be formed as a hook, the connection terminal 2701 is sandwiched between two hooks, and the hook head portion of the hook is pressed on the top of the terminal housing case 27, further ensuring the mounting reliability of the terminal housing case 27.

In some examples, the walls of the terminal receiving housing 27 are provided with wire passing holes 278 that communicate between the inside and outside of the receiving cavity, so that the wires 2702 can pass through the holes, thereby facilitating the wiring.

In some examples, a wire buckle 274 for fixing the wire 2702 is provided on at least one of the outer wall of the terminal accommodating case 27 and the lid 21, and the wire 2702 located outside the terminal accommodating case 27 can be fixed on the wire buckle 274, so that the wire 2702 can be conveniently routed.

Further, the wall of terminal receiver 27 is equipped with the inside and outside threading groove 275 of intercommunication accommodation chamber, and threading groove 275 is close to the thread buckle 274 setting on the terminal receiver 27, utilizes threading groove 275 and thread buckle 274 to make up the use to further satisfy wire 2702's the requirement of walking.

As shown in fig. 6 to 8, in the present embodiment, the pot cover 21 includes an inner cover 211, a face cover 212 disposed on the inner cover 211, and a cover plate assembly 213 disposed on the other side of the inner cover 211, the terminal receiving box 27, the air extracting device 22, the electromagnetic valve 23, the electromagnetic pressure relief device 25, and the display panel 26 are fixed on the inner cover 211, each of the air extracting device 22, the electromagnetic valve 23, and the electromagnetic pressure relief device 25 is connected to the display panel 26 through a wire 2702 having a connection terminal 2701, the connection terminal 2701 is located in the terminal receiving box 27, the inner cover 211 is provided with a plurality of wire buckles 274 arranged at intervals, so as to facilitate the routing of the wire 2702.

Wherein, terminal receiver 27 includes pedestal 271 and lid 272, the diapire of pedestal 271 is equipped with the fixed part 273 that two liang of a plurality of opposite settings, binding post 2701 presss from both sides and establishes between two fixed part 273 of mutual disposition, be equipped with the line hole 278 of crossing of a plurality of interval arrangements on two mutual disposition's of pedestal 271 lateral walls respectively, another lateral wall of pedestal 271 passes through flexible portion and lid 272 rotatable coupling, the last lateral wall of pedestal 271 is equipped with threading groove 275 and with the fixed hole 277 of the fixed hook 276 complex on the lid 272, the lateral wall surface of pedestal 271 still is equipped with the line buckle 274 of arranging near threading groove 275, make things convenient for wire 2702 to walk the line.

During installation, after the installation, wiring and wiring of the terminal storage box 27, the air extractor 22, the electromagnetic valve 23, the electromagnetic pressure relief device 25, the display panel 26 and other components are completed, the face cover 212 is installed on the inner cover 211, the assembly is convenient, and interference cannot occur.

In this application, through setting up terminal receiver 27, electrified parts such as air exhaust device 22, solenoid valve 23, electromagnetism pressure relief device 25 can be connected with display panel 26 through wire 2702 that has binding post 2701, then realize the communication with power strip 13 through display panel 26, have avoided each electrified part directly to be connected with power strip 13 and have leaded to passing the more, the emergence of the in-process emergence problems such as broken string that take place of wire 2702 of hinge. Moreover, the wiring operation is convenient, the wiring is orderly, and the conditions of missing connection, falling off, misconnection, wire pressing and the like can not occur. In addition, the terminal housing case 27 can protect the connection terminal 2701, has waterproof and vapor-proof functions, and prevents the connection terminal 2701 from failing.

As shown in fig. 9 and 10, according to some embodiments of the present invention, the pot cover 21 includes an inner cover 211 and a surface cover 212 disposed on the inner cover 211, a control box 28 is disposed between the inner cover 211 and the surface cover 212, and the control box 28 is connected to the inner cover 211 in a snap-fit manner.

In some embodiments, as shown in fig. 11, one of the control box 28 and the inner lid 211 is provided with an elastic button 281 extending toward the other, and the other of the control box 28 and the inner lid 211 is provided with a locking hole 282 engaged with the elastic button 281, and by engaging the elastic button 281 with the locking hole 282, the reliability of the connection of the control box 28 and the inner lid 211 can be ensured.

In some embodiments, as shown in fig. 13, one of the control box 28 and the inner cover 211 is provided with positioning posts 283 extending toward the other, and the other of the control box 28 and the inner cover 211 is provided with positioning holes 284 matched with the positioning posts 283, so that the control box 28 can be pre-positioned on the inner cover 211 by matching the positioning posts 283 and the positioning holes 284, thereby facilitating the installation of the control box 28.

In some embodiments, the inner cover 211 has a support column 285 for supporting the control box 28, and the support column 285 can support the control box 28, so as to reduce the contact area between the control box 28 and the inner cover 211, avoid a heat source, prevent the control box 28 from failing due to long-term heating, and prolong the service life of the control box 28.

In some embodiments, as shown in fig. 14, one of the control box 28 and the inner cover 211 is provided with a limit rib 286, and the other of the control box 28 and the inner cover 211 has a limit groove 287 that cooperates with the limit rib 286. Through adopting spacing muscle 286 and spacing groove 287 cooperation, can further carry on spacingly to control box 28, and then guarantee control box 28's installation stability.

As shown in fig. 10 to 14, according to an embodiment of the present invention, the outer wall of the control box 28 is provided with a plurality of elastic fasteners 281 arranged at intervals along the circumference thereof, each elastic fastener 281 extends downward, the inner cover 211 has a plurality of fastening holes 282 arranged at intervals, and the positions of the plurality of elastic fasteners 281 and the fastening holes 282 correspond to each other one by one. The outer wall of the control box 28 is provided with a protruding lug, the protruding lug is provided with a positioning hole 284, a positioning column 283 is arranged on the inner cover 211 corresponding to the positioning hole 284, and the positioning column 283 passes through the positioning hole 284, so that pre-positioning is realized. The upper surface of inner lid 211 still is equipped with a plurality of support columns 285, and the diapire of control box 28 stops support columns 285 to reduce the area of contact between control box 28 and inner lid 211. The outer wall of control box 28 still is equipped with spacing muscle 286, and the position that corresponds with spacing muscle 286 on the inner cup 211 is equipped with spacing groove 287, further carries on spacingly to control box 28.

Wherein, the upper surface of inner cup 211 is equipped with arc muscle position, a plurality of horizontal muscle positions, a plurality of vertical muscle positions and a plurality of radial muscle positions, a plurality of horizontal muscle positions and a plurality of vertical muscle are located the region that arc muscle position encloses and cross arrangement, a plurality of radial muscle positions are established outside arc muscle position and are followed the circumference interval arrangement of arc muscle position, card hole 282 establishes between two adjacent radial muscle positions and the region that arc muscle position encloses, spacing groove 287 forms on arc muscle position, thereby it is multi-directional spacing to control box 28, guarantee control box 28's installation reliability and installation effectiveness.

The connection mode of the control box 28 and the inner cover 211 is favorable for subsequent wiring safety, can prevent wire clamping, saves redundant connecting pieces such as screws, improves the assembly efficiency and reduces the cost.

The cooking appliance 100 according to the embodiment of the present invention includes a pot body 10 and a pot cover assembly 20 of the cooking appliance 100 according to the above-mentioned embodiment. The pot body 10 comprises an inner pot 11, the inner pot 11 defines a cooking cavity 12, and a power supply board 13 is arranged on the pot body 10.

Because the pot cover assembly 20 according to the utility model discloses cooking utensil 100 of embodiment has above-mentioned technological effect, consequently according to the utility model discloses cooking utensil 100 of embodiment also has above-mentioned technological effect, and the part of this application is arranged rationally promptly, can prevent to become invalid because of being heated for a long time, and life is longer.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Other constructions and operations of the cooking appliance 100 according to the embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A lid assembly for a cooking appliance, comprising:

the pot cover is provided with a first mounting area and a second mounting area, the projection of the second mounting area on the plane of the pot cover surrounds the projection of the first mounting area on the plane of the pot cover, and the pot cover is also provided with an air exhaust hole;

the air extracting device is arranged in the second mounting area and is suitable for being connected with the air extracting hole, and is used for forming negative pressure in the cooking cavity of the cooking appliance,

wherein, under the state that the pot cover is in closing the cooking chamber, the first installation region is just right to the cooking chamber and the second installation region encircles the cooking chamber.

2. The pot cover assembly of the cooking appliance according to claim 1, further comprising a solenoid valve disposed in the second mounting region and connected between the air pumping hole and the air pumping device for controlling the on/off of the air pumping hole and the air pumping device,

the air exhaust device and the electromagnetic valve are positioned on the same side of the first installation area; and/or the presence of a gas in the gas,

the pot cover is provided with a connecting part which is hinged with a pot body of the cooking utensil, and the air exhaust device is arranged close to the connecting part; and/or the presence of a gas in the gas,

the pot cover is provided with a one-way valve which is arranged adjacent to the air extracting device, the one-way valve is arranged in the air extracting hole or between the air extracting hole and the air extracting device, and the one-way valve is communicated in one way only when air flows from the air extracting hole to the air extracting device.

3. The lid assembly of a cooking appliance as claimed in claim 1, wherein the lid has a pressure relief hole, and an electromagnetic pressure relief device for opening and closing the pressure relief hole is provided in the lid.

4. The lid assembly of claim 3, wherein the lid further comprises a third mounting region, a projection of the third mounting region on a plane of the lid is located in a middle of a projection of the first mounting region on the plane of the lid, and the electromagnetic pressure relief device and the pressure relief hole are located in the third mounting region.

5. The lid assembly of a cooking appliance of claim 1, wherein the lid is provided with a display panel in communication with a power panel of the cooking appliance, and at least one energized functional component of the cooking appliance is connected to the display panel by a wire having a terminal.

6. The cooking utensil pot cover assembly of claim 5 wherein the pot cover has a terminal receiving box therein, the electrical terminals being located in the terminal receiving box.

7. The pot cover assembly of the cooking appliance according to claim 6, wherein the terminal receiving box comprises a base body and a cover body, a receiving cavity for receiving the terminal is defined between the base body and the cover body, and the cover body is rotatable relative to the base body or detachably connected with the base body; and/or the presence of a gas in the gas,

at least two fixing parts which are arranged at intervals are arranged in the terminal containing box, and the wiring terminal is clamped between the two fixing parts; and/or the presence of a gas in the gas,

the wall of the terminal accommodating box is provided with a wire passing hole communicated with the inside and the outside of the accommodating cavity; and/or the presence of a gas in the gas,

and at least one of the outer wall of the terminal containing box and the pot cover is provided with a wire buckle for fixing the wire.

8. The pot cover assembly of the cooking utensil as claimed in claim 1, wherein the pot cover comprises an inner cover and a face cover arranged on the inner cover, a control box is arranged between the inner cover and the face cover, and the control box is connected with the inner cover in a clamping manner.

9. The pot cover assembly of the cooking appliance according to claim 8, wherein one of the control box and the inner lid is provided with an elastic buckle extending toward the other, and the other of the control box and the inner lid is provided with a clamping hole engaged with the elastic buckle; and/or the presence of a gas in the gas,

one of the control box and the inner cover is provided with a positioning column extending towards the other, and the other of the control box and the inner cover is provided with a positioning hole matched with the positioning column; and/or the presence of a gas in the gas,

the inner cover is provided with a supporting column for supporting the control box; and/or the presence of a gas in the gas,

one of the control box and the inner cover is provided with a limiting rib, and the other of the control box and the inner cover is provided with a limiting groove matched with the limiting rib.

10. A cooking appliance comprising the pot cover assembly of the cooking appliance according to any one of claims 1-9.

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