CN210446689U - Pot cover assembly of cooking utensil and cooking utensil that has it - Google Patents

Abstract

The utility model discloses a cooking utensil's pot cover assembly and cooking utensil who has it, cooking utensil's pot cover assembly includes: the cooker cover assembly is provided with an air passing hole and a first vent hole; the electromagnet sealing assembly comprises a vent hole sealing piece and an electromagnet assembly, the vent hole sealing piece is used for opening and closing the first vent hole, and the electromagnet assembly drives the vent hole sealing piece to move; and the electromagnetic valve is used for controlling the on-off between the air passing hole and the outside air. According to the utility model discloses cooking utensil's pot cover assembly through setting up the solenoid valve, can adopt solenoid valve and electromagnet seal assembly to carry out the pressure release respectively to indirectly reduced the use number of times that uses electromagnet seal assembly, not only can prevent that the temperature rise of electro-magnet is too fast and too high, extension electromagnet seal assembly's life can reduce its influence to parts on every side moreover.

Description

Pot cover assembly of cooking utensil and cooking utensil that has it

Technical Field

The utility model belongs to the technical field of kitchen appliance and specifically relates to a cooking utensil's pot cover assembly and cooking utensil who has it is related to.

Background

Cooking utensil among the relevant art, for example vacuum electric rice cooker, usually adopt the opening and closing of electro-magnet seal assembly control steam port, this electro-magnet seal assembly usually comprises electro-magnet assembly, sealing member etc. frequently uses electro-magnet seal assembly to carry out the pressure release, leads to the temperature rise of electro-magnet too fast and too high easily, not only can influence electro-magnet seal assembly's life, can influence the performance and the life of its surrounding part moreover.

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, which has high reliability in use.

The utility model also provides 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: a lid assembly having a venting aperture and a first vent aperture adapted to communicate with a cooking cavity of the cooking appliance; the electromagnet sealing assembly comprises a movable vent hole sealing piece and an electromagnet assembly, the vent hole sealing piece is used for opening and closing the first vent hole, and the electromagnet assembly is connected with the vent hole sealing piece to drive the vent hole sealing piece to move; the electromagnetic valve is arranged on the pot cover assembly and used for controlling the on-off between the air passing hole and the outside air.

According to the utility model discloses cooking utensil's pot cover assembly, through setting up the solenoid valve, can adopt the solenoid valve to carry out the pressure release, or adopt solenoid valve and electromagnet seal assembly to carry out the pressure release respectively to indirectly reduced the use number of times that uses electromagnet seal assembly, not only can prevent that the temperature rise of electro-magnet is too fast and too high, extension electromagnet seal assembly's life can reduce its influence to parts on every side moreover.

According to some embodiments of the utility model, the pot cover subassembly has a plurality of spacing muscle that upwards extend along vertical direction, and is a plurality of spacing muscle is followed the circumference of solenoid valve is arranged in order to be right the solenoid valve is spacing on the horizontal direction.

In some embodiments, the pot cover assembly further comprises an inclined plane convex rib, the inclined plane convex rib is provided with a guide surface extending downwards along the horizontal direction and an abutting surface extending downwards along the vertical direction, and the electromagnetic valve is limited by the abutting surface and the limiting rib.

According to some embodiments of the utility model, the pot cover subassembly has elasticity and detains, elasticity is detained and is upwards extended along vertical direction, just the orientation of the upper end that elasticity was detained one side of solenoid valve is equipped with the gib head portion, the gib head portion is pressed and is established the top of solenoid valve.

According to some embodiments of the utility model, the pot cover subassembly still have with the second venthole of culinary art chamber intercommunication, cooking utensil's pot cover assembly still includes the relief valve, the relief valve is located the pot cover subassembly is used for control break-make between second venthole and the outside air.

In some embodiments, the air passing hole and the second air passing hole are the same air hole and the air hole is suitable for being communicated with the outside air through any one of the electromagnetic valve and the pressure relief valve; or the air passing hole and the second air passing hole are two independent air holes.

In some embodiments, the pressure relief valve includes a valve body having a pressure relief passage with an inlet in communication with the outside air and an outlet in communication with the second vent, and a valve stem moving between a position of communicating the inlet and the outlet and a position of disconnecting the inlet and the outlet, wherein the lid assembly of the cooking appliance further includes: the transmission piece is movably arranged on the pot cover component and is connected with the valve rod to drive the valve rod to move; and the cover opening assembly is connected with the transmission piece and drives the transmission piece to move so as to drive the valve rod to move.

According to some embodiments of the utility model, the pot cover subassembly have be suitable for with the aspirating hole of culinary art chamber intercommunication, be equipped with air exhaust device in the pot cover subassembly, air exhaust device with the aspirating hole is connected, is used for with form the negative pressure in the culinary art intracavity.

In some embodiments, the air pumping hole and the air passing hole are the same air hole and the air hole is switchably communicated with the outside air and the air pumping device; or the air suction hole and the air passing hole are two mutually independent air holes.

According to some embodiments of the present invention, the pot cover assembly of the cooking appliance further comprises: a one-way valve disposed between the extraction aperture and the extraction device, the one-way valve configured to be one-way only when airflow is flowing from the extraction aperture to the extraction device.

In some embodiments, the check valve has a valve chamber with an inlet port in communication with the suction port and an outlet port in communication with the air extraction device, and a valve spool that moves between a position in which the inlet port and the outlet port are in communication and a position in which the inlet port and the outlet port are disconnected.

In some examples, the valve core is disposed in the valve cavity and used for opening and closing the air inlet hole to achieve the opening and closing of the air inlet hole and the air outlet hole, the valve core is sleeved with an elastic member, and two ends of the elastic member are respectively abutted against the inner walls, far away from the air inlet hole, of the valve core and the valve cavity to normally push the valve core to close the air inlet hole.

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 front view of a lid assembly of a cooking appliance according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

fig. 4 is an exploded view of a pressure relief valve of a lid assembly of a cooking appliance according to an embodiment of the present invention;

fig. 5 is a top view of a pressure relief valve of a lid assembly of a cooking appliance according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 5;

FIG. 7 is a cross-sectional view taken along line D-D of FIG. 5;

fig. 8 is a cross-sectional view of a one-way valve of a lid assembly of a cooking appliance according to an embodiment of the present invention;

fig. 9 is a front view of a pot cover assembly of a cooking appliance according to yet another embodiment of the present invention;

fig. 10 is a schematic view of a cooking appliance according to still another embodiment of the present invention, when a solenoid valve is not installed in a lid assembly;

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

fig. 12 is a front view of a pot cover assembly of a cooking appliance according to another embodiment of the present invention.

Reference numerals:

a pot cover assembly 100;

a lid assembly 10; a pot cover fixing buckle 11; a second vent hole 12;

a limiting rib 13; an inclined plane rib 14; a guide surface 141; a stop surface 142;

an elastic buckle 15; a hook head portion 151; a support rib 16; a first air vent hole (17) is formed,

a pressure relief valve 20;

a valve cover 21; an inlet 211; a bonnet securing clasp 212; an outlet 213; an inner collar 214;

a valve seat 22; a guide passage 221;

a valve seat retaining buckle 222; a first straight section 2221; bend section 2222; a second straight section 2223; a latching portion 22231;

a valve stem 231; a connecting rod 232; a drawing sheet 233; a support rim 2311;

a reset member 24; a first seal 25;

a transmission member 30; a support base 31;

a check valve 40; a valve chamber 41; a valve spool 42; an elastic member 43; a suction hole seal 44;

an intake hole 411; an air outlet 412; an intake passage 413;

an air extraction device 50; a solenoid valve 60; a door opening assembly 70 and an electromagnet sealing assembly 80.

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 lid assembly 100 of a cooking appliance according to an embodiment of the present invention is described below with reference to the accompanying drawings, wherein the cooking appliance may be a vacuum electric cooker, an electric pressure cooker, or the like.

As shown in fig. 1 and 2 and fig. 9 to 12, a pot lid assembly 100 of a cooking appliance according to an embodiment of the present invention includes a pot lid assembly 10, an electromagnet sealing assembly 80, and a solenoid valve 60.

The cooking appliance has a cooking cavity and the lid assembly 10 has a venting hole adapted to communicate with the cooking cavity and a first venting hole 17. The electromagnet sealing assembly 80 comprises a movable vent sealing member for opening and closing the first vent 17 and an electromagnet assembly connected to the vent sealing member for driving the vent sealing member to move. The electromagnetic valve 60 is arranged on the pot cover assembly 10 and used for controlling the on-off between the air passing hole and the outside air, so that the pressure relief is realized in the state that the air passing hole is communicated with the outside air.

According to the utility model discloses cooking utensil's pot cover assembly 100, through setting up solenoid valve 60, can adopt solenoid valve 60 to carry out the pressure release, or adopt solenoid valve 60 and electromagnet seal assembly 80 to carry out the pressure release respectively to indirectly reduced the use number of times that uses electromagnet seal assembly 80, not only can prevent that the temperature rise of electro-magnet is too fast and too high, the life of extension electromagnet seal assembly 80 can reduce its influence to parts on every side moreover.

In some embodiments, the electromagnet sealing assembly 80 further comprises a push rod, the electromagnet assembly is connected to the push rod to push the push rod to move, the vent sealing member is disposed at one end of the push rod, and the electromagnet assembly pushes the push rod to move to drive the vent sealing member to close or open the first vent 17.

As shown in fig. 10 and 11, in some examples of the present invention, the pot cover assembly 10 has a plurality of limiting ribs 13 extending in a vertical direction, and the plurality of limiting ribs 13 are arranged along a circumferential direction of the solenoid valve 60 so as to limit a horizontal direction of the solenoid valve 60, for example, in the example shown in fig. 11, the plurality of limiting ribs 13 may be symmetrically arranged at a circumferential edge of the solenoid valve 60 to improve the reliability of limiting the solenoid valve 60.

As shown in fig. 11, in a further example of the present invention, in order to facilitate the assembly of the electromagnetic valve 60, the lid assembly 10 is provided with an inclined plane rib 14, the inclined plane rib 14 has a guiding surface 141 and a stopping surface 142, the guiding surface 141 extends downward along the horizontal direction, and the stopping surface 142 extends downward along the vertical direction, the guiding surface 141 through the inclined plane rib 14 can facilitate the user to assemble the electromagnetic valve 60, and the stopping surface 142 and the spacing rib 13 are utilized to act together for spacing.

As shown in fig. 11, in a further example of the present invention, the pot cover assembly 10 has an elastic buckle 15, the elastic buckle 15 extends along a vertical direction and has a hook portion 151 at an upper end, and the hook portion 151 faces a top surface of the solenoid valve 60, thereby achieving a limit of the solenoid valve 60 in a vertical direction in cooperation with the pot cover assembly 10.

Meanwhile, in order to facilitate air circulation and improve heat dissipation performance, the pot cover assembly 10 is further provided with the supporting ribs 16, the electromagnetic valve 60 is arranged on the supporting ribs 16 to separate the electromagnetic valve 60 from the pot cover assembly 10, so that the contact area between the electromagnetic valve 60 and the pot cover assembly 10 is reduced, heat is further reduced and is transmitted to the electromagnetic valve 60 from the pot cover assembly 10, and the service life is prolonged.

According to some embodiments of the utility model, the pot cover subassembly 10 still has the second ventilation hole 12 with the culinary art chamber intercommunication, and cooking utensil's pot cover assembly 100 still includes relief valve 20, and relief valve 20 is established on pot cover subassembly 10 for control second ventilation hole 12 and the break-make between the outside air.

The utility model discloses an in some examples, it can be same gas pocket to cross gas pocket and second gas pocket 12 to this gas pocket can be through relief valve 20 and outside air intercommunication, also can be through solenoid valve 60 and outside air intercommunication, perhaps passes through relief valve 20 and solenoid valve 60 and outside air intercommunication simultaneously, thereby makes a gas pocket of relief valve 20 and solenoid valve 60 sharing, simplifies the pot cover subassembly 10 structure, makes the whole compacter of pot cover assembly 100.

In other examples, in order to facilitate the arrangement of the pressure release valve 20 and the electromagnetic valve 60 and improve the reliability, the air passing hole and the second air passing hole 12 are independent air holes, the pressure release valve 20 may be communicated with the second air passing hole 12, and the electromagnetic valve 60 may be communicated with the air passing hole.

In some embodiments, the pressure relief valve 20 includes a valve body having a pressure relief passage, an inlet 211 of the pressure relief passage is in communication with the outside air, an outlet 213 of the pressure relief passage is in communication with the second vent hole 12, and a valve rod 231 moves between a position of communicating the inlet 211 and the outlet 213 and a position of disconnecting the inlet 211 and the outlet 213, such that the cooking cavity of the cooking appliance can be communicated with or disconnected from the outside air through the pressure relief passage by controlling the movement of the valve rod 231 of the pressure relief valve 20.

Further, the transmission member 30 is movably disposed on the lid assembly 10, and the transmission member 30 is connected to the valve rod 231, and meanwhile, the lid assembly 70 is connected to the transmission member 30, so that the user can drive the transmission member 30 to move by controlling the lid assembly 70, and then the transmission member 30 drives the valve rod 231 to move, thereby moving the valve rod 231 between a position where the inlet 211 and the outlet 213 are connected to each other and a position where the inlet 211 and the outlet 213 are disconnected from each other is achieved. Like this, when cooking utensil's culinary art intracavity was in vacuum state, through transmission piece 30 control relief valve 20 make through the pressure release passageway intercommunication between culinary art chamber and the outside air, realize culinary art chamber and outside air's pressure balance, and then make the culinary art intracavity realize quick pressure release, convenience of customers uncaps.

From this, through setting up relief valve 20, and utilize subassembly 70 control transmission part 30 that uncaps, and then control relief valve 20 and realize the intercommunication and the disconnection between culinary art chamber and the outside air, compare in the scheme that only adopts the electro-magnet seal assembly to carry out the pressure release among the correlation technique, not only can realize quick pressure release effectively, and then realize the equilibrium between the atmospheric pressure in the culinary art chamber and the outside air pressure, the user of being convenient for opens pot cover assembly 100 in any stage, and can further reduce the number of times of use of electro-magnet seal assembly 80 indirectly, prevent that the temperature rise of electro-magnet is too fast and too high, the life of extension electro-magnet seal assembly 80, can reduce its influence to surrounding parts simultaneously.

As shown in fig. 4 and 6, according to some embodiments of the present invention, in order to make the whole structure of the pressure relief valve 20 more compact, one end of the valve rod 231 is disposed in the pressure relief passage, and the valve rod 231 is opened and closed by the outlet 213 to make and break between the inlet 211 and the outlet 213.

As shown in fig. 6, in a further example of the present invention, the inner wall surface of the pressure relief passage is provided with an inner collar 214, the inner collar 214 is disposed around the outlet 213, and meanwhile, one end (e.g., the upper end in fig. 6) of the valve rod 231 is provided with a first sealing member 25, the first sealing member 25 may be a rubber member, and when the valve rod 231 moves upward to close the outlet 213, the first sealing member 25 is used to stop the inner collar 214, thereby enhancing the sealing performance of the pressure relief valve 20.

As shown in fig. 3, 4 and 6, in some embodiments of the present invention, the pressure release valve 20 further includes a drawing piece 233 and a connecting rod 232, the upper end of the drawing piece 233 and the lower end of the valve rod 231 are respectively connected to the two ends of the connecting rod 232, the transmission member 30 is matched with the connecting rod 232, so as to be connected to the valve rod 231, and the cross-sectional area of the connecting rod 232 is smaller than that of the valve rod 231 and the cross-sectional area of the connecting rod 232 is smaller than that of the drawing piece 233, so that the transmission member 30 can be limited between the drawing piece 233 and the valve rod 231, and the transmission member 30 and the connecting rod 232 can be conveniently assembled.

As shown in fig. 4 and 6, in some examples of the present invention, in order to enhance the structural strength and reliability of the relief valve 20 and simplify the manufacturing process, the valve rod 231, the pull tab 233, and the connecting rod 232 are integrally formed.

As shown in fig. 4 and 6, in some embodiments of the present invention, the pressure relief valve 20 further includes a reset piece 24, the reset piece 24 may be a spring, the reset piece 24 is sleeved on the valve rod 231, and both ends of the reset piece 24 are respectively abutted against the valve rod 231 and the valve body, so as to normally push the valve rod 231 to move towards the outlet 213 to close the outlet 213, and thus, the pressure relief valve 20 can be in a state of disconnecting the outside air from the communication of the cooking cavity when the lid assembly 10 closes the cooking cavity, and further, the cooking cavity can form a negative pressure under the action of the air exhaust device 50 and other components.

It should be noted that the term "normally push" used herein means that the restoring member 24 is in an elastically deformed state, for example, the restoring member 24 is in an elastically compressed state, and at this time, the restoring member 24 pushes the valve rod 231 to move toward the outlet 213 under the elastic force of the restoring deformation, so as to close the outlet 213.

As shown in fig. 6, in a further example of the present invention, the valve rod 231 is disposed in the valve body, the lateral peripheral wall of the valve rod 231 is provided with a support edge 2311 protruding outward, and the two ends of the reset piece 24 can normally push the valve rod 231 to close the outlet 213 by respectively abutting against the lower surface of the support edge 2311 and the inner wall of the valve body, thereby facilitating the assembly between the reset piece 24 and the valve rod 231 and improving the reliability of opening and closing the outlet 213 by the valve rod 231.

As shown in fig. 4 and 6, in some embodiments of the present invention, the valve body mainly comprises a valve seat 22 and a valve cover 21, the valve seat 22 is disposed on the lid assembly 10, and the valve seat 22 has a guiding channel 221, the guiding channel 221 extends along the center line of the outlet 213, and the valve rod 231 is movable along the guiding channel 221, so that the valve rod 231 can be ensured to be opposite to the outlet 213 to open and close the outlet 213, and at the same time, the valve rod 231 can be ensured to be moved along the guiding channel 221 and also to be moved reliably by the transmission member 30.

Further, a valve cover 21 is provided on the top of the valve seat 22 and defines a pressure relief passage together with the valve seat 22, and an outlet 213 is provided on the valve cover 21, for example, as shown in fig. 6, the outlet 213 is provided on the top of the valve cover 21, so as to facilitate the engagement of the valve rod 231 with the outlet 213 for opening and closing the outlet 213, and thus for connecting and disconnecting the cooking chamber with the outside air.

As shown in fig. 4 and 6, in some examples of the present invention, the inlet 211 is provided on the side peripheral wall of the valve cover 21, the inlet 211 may be a circular hole, the diameter d of the inlet 211 is between 1mm and 2mm, for example, the diameter d of the inlet 211 may be 1mm, 1.5mm, 2mm or other dimensions, so that the inlet 211 may have a filtering function by setting the size of the inlet 211, and external foreign objects are prevented from entering the cooking cavity through the pressure relief channel.

As shown in fig. 4 and 6, in some examples of the present invention, the inlet 211 may be a plurality of inlets, the sum of the cross-sectional areas of the plurality of inlets 211 is S, and S is greater than or equal to 3.14mm²Thereby, the air inlet speed of the pressure release valve 20 is ensured by setting the cross sectional area of the inlet 211, and the external air enters the pressure release channel during pressure release, thereby ensuring the quick pressure release effect of the pot cover assembly 100.

Preferably, the inlet ports 211 may be arranged in an array along the side peripheral wall of the valve cover 21, and the sum of the cross-sectional areas of the inlet ports 211 is greater than the cross-sectional area of the outlet port 213, so that the filtering effect is ensured while the rapid pressure relief effect is ensured.

As shown in fig. 6, in some examples of the present invention, in order to facilitate the assembly and disassembly between the pressure relief valve 20 and the lid assembly 10, the lid assembly 10 has a lid fixing buckle 11, the lid fixing buckle 11 extends upward along a vertical direction, the valve seat 22 is provided with at least two valve seat fixing buckles 222, and the valve seat fixing buckle 222 is opposite to the lid fixing buckle 11, and can cooperate with the lid fixing buckle 11 to fix the pressure relief valve 20 to the lid assembly 10.

As shown in fig. 6, in some examples of the present invention, the valve seat fixing buckle 222 is mainly composed of a first straight section 2221, a bent section 2222 and a second straight section 2223, one end of the first straight section 2221 is connected to the valve seat 22, and the other end extends upward in the vertical direction, one end of the bent section 2222 is connected to the other end of the first straight section 2221, the second straight section 2223 is spaced apart from the first straight section 2221, and one end of the second straight section 2223 is connected to the other end of the bent section 2222, and the other end of the second straight section 2223 forms a buckling part 22231 capable of buckling with the lid fixing buckle 11, so that the valve seat fixing buckle 222 has a certain elasticity by spacing the first straight section 2221 and the second straight section 2223 and connecting through the bent section 2222, thereby facilitating the assembly, and at the same time, the lid fixing buckle 11 extends upward in the vertical direction, so that after the lid fixing buckle 11 is matched with the buckling part 22231, a gap is formed between the bottom end of the lid assembly 10, facilitating movement of the transmission member 30 within the clearance.

As shown in fig. 4 and 7, in some examples of the present invention, in order to ensure that the assembly between the valve cover 21 and the valve seat 22 is reliable and easy to disassemble, the outer peripheral wall of the valve cover 21 is provided with at least two valve cover fixing buckles 212, at least two valve cover fixing buckles 212 may be symmetrically arranged, the valve seat 22 is provided with at least two valve seat 22 fixing holes arranged at intervals, and the position of the valve seat 22 fixing hole is opposite to the position of the valve cover fixing buckle 212, so that at least two valve cover fixing buckles 212 may be clamped in the valve seat 22 fixing holes in a one-to-one correspondence manner, thereby realizing the assembly between the valve seat 22 and the valve cover 21.

As shown in fig. 3, in some embodiments of the present invention, the pot cover assembly 10 further includes a supporting seat 31, the transmission member 30 generally forms a rod-like structure, the transmission member 30 is rotatably disposed on the supporting seat 31, and one end of the transmission member 30 is connected to the valve rod 231, and the other end of the transmission member is connected to the cover opening assembly 70, so that the transmission member 30 is driven to rotate by the cover opening assembly 70, and further the valve rod 231 is driven to move to realize the on-off of the pressure relief channel.

As shown in fig. 1 and 2, in some embodiments of the present invention, the pot cover assembly 10 is provided with a suction hole (not shown) communicated with the cooking cavity, and the pot cover assembly 10 is provided with a suction device 50, and the suction device 50 is connected to the suction hole, so as to draw a negative pressure in the cooking cavity by using the suction device 50. The air extractor 50 may be a vacuum pump or a cylinder-piston assembly.

As shown in fig. 1 and 2, in the utility model discloses a further example, the aspirating hole can be same gas pocket with crossing the gas pocket (as shown in fig. 1 example), and this gas pocket switchably communicates with outside air and air exhaust device 50, and like this, air exhaust device 50 can take out the gas in culinary art chamber in order to realize culinary art chamber negative pressure through this gas pocket, and simultaneously, solenoid valve 60 can communicate outside air and culinary art chamber, thereby make the outside gas enter into the culinary art intracavity, and then realize the quick pressure release in the culinary art intracavity, in order to realize the atmospheric pressure balance with the outside in the culinary art intracavity, be convenient for open pot cover assembly 100.

And in other examples of the utility model, cross gas pocket and aspirating hole for two gas pockets independent respectively, air exhaust device 50 and aspirating hole intercommunication, solenoid valve 60 with cross the gas pocket intercommunication, can make things convenient for arranging of air exhaust device 50 and solenoid valve like this, simplify the connecting line.

As shown in fig. 2 and 8, in some examples of the present invention, the pot cover assembly 100 further includes a check valve 40, the check valve 40 is disposed between the air exhaust hole and the air exhaust device 50, and the check valve 40 is configured to be in one-way communication when the air current can only flow from the air exhaust hole to the air exhaust device 50, so that the air in the cooking cavity is exhausted through the check valve 40 by the air exhaust device 50 to realize the vacuum state of the cooking cavity.

As shown in fig. 8, in some examples of the present invention, the check valve 40 has a valve cavity 41 and a valve core 42 disposed in the valve cavity 41, an air inlet 411 of the valve cavity 41 communicates with an air exhaust hole, an air outlet 412 of the valve cavity 41 communicates with an air exhaust device 50, and simultaneously, the valve core 42 moves between the positions of the communicating air inlet 411 and the air outlet 412 and the positions of the disconnecting air inlet 411 and the air outlet 412, so that the gas in the cooking cavity can enter the valve cavity 41 through the air exhaust hole and the air inlet 411, and then enter the air exhaust device 50 through the air outlet 412, thereby realizing the vacuum state in the cooking cavity.

As shown in fig. 8, in a further example of the present invention, the valve core 42 is disposed in the valve cavity 41, and can be opened and closed to open and close the air inlet 411 to realize the opening and closing of the air inlet 411 and the air outlet 412, and meanwhile, in order to realize the one-way conduction of the check valve 40, the valve core 42 is sleeved with an elastic member 43, such as a spring, and two ends of the elastic member 43 are respectively abutted to the inner walls of the valve core 42 and the valve cavity 41 (top wall of the valve cavity 41 in fig. 8), which are far away from the air inlet 411, so as to normally push the valve core 42 to close.

It should be noted that the term "normally pushed" used herein means that the elastic member 43 is in an elastically deformed state, for example, the elastic member 43 is in an elastically compressed state, and at this time, the elastic member 43 pushes the valve core 42 to move toward the air hole 411 under the elastic force of the restored deformation, so as to close the air hole 411.

As shown in fig. 8, in some examples, the valve cavity 41 of the check valve 40 further has an air inlet passage 413, the air inlet passage 413 is communicated with an air exhaust hole, and the outlet 213 of the pressure relief valve 20 is connected to the air inlet passage 413 through a connecting pipeline, so that the pressure relief valve 20 and the air exhaust device 50 can be communicated with the cooking cavity through the check valve 40 and share one air exhaust hole, thereby facilitating the structure simplification and making the whole structure of the pot cover assembly 100 more compact.

Further, in some examples, to enhance the sealing reliability between the check valve 40 and the suction hole, a suction hole seal 44 is provided between the check valve 40 and the suction hole.

The cooking appliance according to the embodiment of the present invention includes the pot cover assembly 100 of the cooking appliance according to the above-mentioned embodiment. According to the utility model discloses cooking utensil through adopting above-mentioned cooking utensil's pot cover assembly 100, makes it have characteristics such as simple structure, reliability height, quick pressure release.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those 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 being 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.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

Other constructions and operations of the pot cover assembly 100 of the cooking appliance and the cooking appliance having the same according to the embodiment 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 (13)

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

a lid assembly having a first vent hole and a venting hole adapted to communicate with a cooking cavity of the cooking appliance;

the electromagnet sealing assembly comprises a movable vent hole sealing piece and an electromagnet assembly, the vent hole sealing piece is used for opening and closing the first vent hole, and the electromagnet assembly drives the vent hole sealing piece to move;

the electromagnetic valve is arranged on the pot cover assembly and used for controlling the on-off between the air passing hole and the outside air.

2. The pot cover assembly of the cooking appliance according to claim 1, wherein the pot cover assembly has a plurality of stopper ribs extending upward in a vertical direction, the plurality of stopper ribs being arranged along a circumferential direction of the solenoid valve to horizontally stopper the solenoid valve.

3. The cover assembly of claim 2, wherein the cover assembly further comprises a slope rib, the slope rib comprises a guide surface extending downward along a horizontal direction and an abutting surface extending downward along a vertical direction, and the solenoid valve is commonly limited by the abutting surface and the limiting rib.

4. The pot cover assembly of the cooking appliance according to claim 1, wherein the pot cover assembly has an elastic buckle extending upward in a vertical direction, and a hooking portion is provided at an upper end of the elastic buckle on a side facing the solenoid valve, the hooking portion being pressed on a top of the solenoid valve.

5. The pot cover assembly of the cooking appliance according to claim 1, wherein the pot cover assembly further comprises a second vent hole communicated with the cooking cavity, and the pot cover assembly of the cooking appliance further comprises a pressure relief valve, and the pressure relief valve is arranged on the pot cover assembly and used for controlling the second vent hole to be connected with outside air.

6. The lid assembly of the cooking appliance as claimed in claim 5, wherein the air passing hole and the second air passing hole are the same hole and adapted to communicate with the outside air through any one of the solenoid valve and the pressure release valve; or the air passing hole and the second air passing hole are two independent air holes.

7. The lid assembly of a cooking appliance as claimed in claim 5, wherein the pressure relief valve comprises a valve body having a pressure relief passage with an inlet communicating with the outside air and an outlet communicating with the second vent, and a valve stem moving between a position of communicating the inlet and the outlet and a position of disconnecting the inlet and the outlet,

wherein, cooking utensil's pot cover assembly still includes:

the transmission piece is movably arranged on the pot cover component and is connected with the valve rod to drive the valve rod to move;

and the cover opening assembly is connected with the transmission piece and drives the transmission piece to move so as to drive the valve rod to move.

8. The lid assembly of a cooking appliance as claimed in any one of claims 1 to 7, wherein the lid assembly has a suction hole adapted to communicate with the cooking cavity, and a suction device is provided in the lid assembly and connected to the suction hole for generating a negative pressure in the cooking cavity.

9. The lid assembly of the cooking utensil as claimed in claim 8, wherein the air suction hole and the air passing hole are the same hole and the hole is switchably communicated with the outside air and the air suction device; or the air suction hole and the air passing hole are two mutually independent air holes.

10. The pot cover assembly of the cooking appliance of claim 8, further comprising:

a one-way valve disposed between the extraction aperture and the extraction device, the one-way valve configured to be one-way only when airflow is flowing from the extraction aperture to the extraction device.

11. The pot cover assembly of the cooking appliance as claimed in claim 10, wherein the check valve has a valve chamber and a valve core, an air inlet of the valve chamber is communicated with the air suction hole, an air outlet of the valve chamber is communicated with the air suction device, and the valve core moves between a position of communicating the air inlet and the air outlet and a position of disconnecting the air inlet and the air outlet.

12. The pot cover assembly of the cooking appliance according to claim 11, wherein the valve core is disposed in the valve cavity and configured to open and close the air inlet hole and the air outlet hole, the valve core is sleeved with an elastic member, and two ends of the elastic member are respectively abutted against the inner walls of the valve core and the valve cavity far away from the air inlet hole to normally push the valve core to close the air inlet hole.

13. A cooking appliance comprising the pot cover assembly of the cooking appliance of any one of claims 1-12.

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