CN115251698A

CN115251698A - Cooking utensil

Info

Publication number: CN115251698A
Application number: CN202211062753.6A
Authority: CN
Inventors: 李鑫; 郭星华
Original assignee: Hangzhou Xiangtian Technology Co ltd
Current assignee: Hangzhou Xiangtian Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-01
Also published as: TWI799353B

Abstract

The invention provides a cooking appliance, which comprises a pot body, an outer pot, a draining and steaming component, a pressure regulating component, a pot cover and a heating component. The outer pot is arranged in the pot body and the edge of the outer pot is provided with an air guide hole. The draining and steaming assembly comprises an inner pot and an inner pot sealing ring, the inner pot is arranged in the outer pot in a separable mode and forms a pressure cavity with the outer pot, a sealing part on the inner pot sealing ring is located on the radial outer side of the air guide hole and is tightly pressed between the inner pot edge and the outer pot edge, a connecting part of the inner pot sealing ring is abutted against the outer wall of the inner pot to tightly clamp the inner pot sealing ring, and an air guide channel for communicating the air guide hole and the pressure cavity is formed between the inner pot sealing ring and the outer pot relative to the inner pot sealing ring. The pressure regulating assembly is arranged on the pot body and is communicated with the air guide hole in a sealing way, and the pressure regulating assembly is used for regulating the pressure in the pressure cavity; or can convey gas into the outer pot to lower the temperature of the liquid in the outer pot when the steaming component is removed. The pot cover is sealed and closed on the inner pot through a pot cover sealing ring; or the pot cover can be sealed and closed on the outer pot through the pot cover sealing ring when the draining and steaming component is removed.

Description

Cooking utensil

Technical Field

The invention relates to the field of household appliances, in particular to a cooking appliance.

Background

The sugar content of the drained rice is low, so that the drained rice is very beneficial to the use of diabetics; and compared with the braised rice, the gelatinization degree of the rice can be better controlled in the preparation process, so that the rice draining particles after cooking are fuller and more elastic. However, the special manufacturing process of the draining rice makes the current draining rice cooker on the market have single function, can only be used for manufacturing the draining rice, cannot realize multiple functions of cooking porridge, stewing rice and the like, and cannot meet the daily use requirements of people.

In addition, the rice draining cooker on the market at present mainly adjusts the air pressure of the inner cooker or the outer cooker to form a pressure difference for promoting the movement of water flow, so the arrangement of air passages becomes the main technical point of the rice draining cooker. In order to simplify the air passage arrangement, partial rice draining pot adopts the inner pot pressure regulating mode to form pressure difference, but the water in the outer pot is very easy to enter the inner pot again for rice soaking when the rice draining pot with the structure is heated and cooked, so that rice is gelatinized excessively, namely the gelatinization degree of rice grains is difficult to control accurately. At present, the rice draining cooker based on the pressure regulation of the outer cooker conducts gas transmission or air extraction through the gas holes in the side wall of the outer cooker, however, because the gas holes are positioned in the side wall of the outer cooker, the gas guide pipe joints form blind areas after the outer cooker is placed, and the gas holes and the gas guide pipes in the side wall of the outer cooker are difficult to position and are easy to leak. In addition, the air channel structure also causes inconvenience in cleaning the outer pot and the sealing member.

Disclosure of Invention

The present invention provides a cooking appliance to overcome at least one of the disadvantages of the prior art.

In order to achieve the purpose, the invention provides a cooking appliance which comprises a pot body, an outer pot, a draining and steaming component, a pressure regulating component, a pot cover and a heating component. The outer pot is arranged in the pot body, and the edge of the outer pot is provided with an air guide hole. The draining and steaming assembly comprises an inner pot and an inner pot sealing ring, the inner pot is arranged in the outer pot in a separable mode and forms a pressure cavity between the inner pot and the outer pot, the inner pot sealing ring comprises a sealing part and a connecting part, the sealing part is located on the radial outer side of the air guide hole and is tightly pressed between the inner pot edge and the outer pot edge, the connecting part is abutted against the outer wall of the inner pot to tightly clamp the inner pot sealing ring, and an air guide channel for communicating the air guide hole and the pressure cavity is formed between the inner pot sealing ring and the outer pot relative to the inner pot sealing ring. The pressure regulating assembly is arranged on the pot body and is communicated with the air guide hole in a sealing way, and the pressure regulating assembly is used for regulating the pressure in the pressure cavity; or can be used to lower the temperature of the liquid in the outer pot by conveying gas into the outer pot when the steaming component is removed. The pot cover is sealed and closed on the inner pot through a pot cover sealing ring; or the pot cover can be sealed and closed on the outer pot through the pot cover sealing ring when the draining and steaming component is removed. The heating member is arranged on the pot body to heat the outer pot.

According to one embodiment of the invention, the connecting part comprises a radial connecting part and an axial connecting part, the radial connecting part is connected with the sealing part and clings to the bottom of the inner pot edge, and the axial connecting part extends towards the bottom of the pot body and is abutted against the outer wall of the inner pot; the air guide channel comprises a first air guide channel and a second air guide channel; wherein, a first air guide channel communicated with the air guide hole is formed between the radial connecting part and the edge of the outer pot, and a second air guide channel communicated with the pressure cavity is formed between the axial connecting part and the body of the outer pot.

According to one embodiment of the invention, the pot body is provided with a pot body air passage extending to the upper end surface of the pot body, the bottom end of the pot body air passage is communicated with the pressure regulating assembly, and the top end of the pot body air passage is hermetically communicated with the air guide hole on the outer pot edge through the axial air hole on the outer pot sealing ring.

According to one embodiment of the invention, the outer pot sealing ring comprises an annular ring body and two annular sealing flaps positioned on the upper surface of the annular ring body, an axial air hole is formed in the annular ring body, the rim of the outer pot abuts against the two annular sealing flaps, and an annular air passage which is communicated with the axial air hole and the air guide hole and is communicated with the circumferential direction is formed among the rim of the outer pot, the two annular sealing flaps and the upper surface of the annular ring body.

According to an embodiment of the invention, the cooking utensil further comprises two water level electrodes which are detachably connected with the pot cover, the center distance between the two water level electrodes is greater than or equal to 5 mm, and the maximum distance from the tail ends of the water level electrodes to the inner bottom wall of the inner pot is greater than or equal to 30 mm.

According to an embodiment of the invention, the bottom of the inner pot comprises a convex part and an outer circumferential part, the convex part protrudes upwards from the outer circumferential part, the convex part is provided with a plurality of radial water leaching grooves, and the outer circumferential part is distributed with a plurality of circumferential water leaching grooves at intervals.

According to an embodiment of the invention, the peripheral wall of the radial draining groove and/or the peripheral draining groove is chamfered to form an inclined guide wall with the thickness gradually decreasing towards the center of the draining groove, and the thickness of the tail end of the inclined guide wall is equal to 1/4 of the thickness of the starting end.

The invention also provides another cooking appliance which comprises a pot body, an outer pot, a draining and steaming component, a pot cover, a pressure regulating component and a heating component. The draining and steaming assembly comprises an inner pot and an inner pot sealing ring, the inner pot is detachably arranged on the outer pot and forms a pressure cavity with the outer pot, the edge of the inner pot is provided with an air guide hole, the inner pot sealing ring comprises a sealing part and a connecting part, the sealing part is positioned on the radial outer side of the air guide hole and is tightly pressed between the edge of the inner pot and the edge of the outer pot, the connecting part is abutted against the outer wall of the inner pot to clamp the inner pot sealing ring, and an air guide channel for communicating the air guide hole and the pressure cavity is formed between the inner pot sealing ring and the inner pot opposite to the inner pot sealing ring; or the inner pot sealing ring is provided with a through hole which forms an air guide channel for communicating the air guide hole and the pressure cavity. The cooker cover comprises a cover body and a cooker cover air passage, the cover body is sealed and closed on the inner cooker through a cooker cover sealing ring, and the cooker cover air passage is communicated with the air guide hole; or when the draining and steaming component is removed, the pot cover can be sealed and combined with the outer pot through the pot cover sealing ring and the pot cover air passage is communicated with the outer pot. The pressure regulating assembly is arranged on the pot body and communicated with the pot cover air passage, and is used for regulating the pressure in the pressure cavity; or can be used to lower the temperature of the liquid in the outer pot by conveying gas into the outer pot when the steaming component is removed. The heating member is arranged at the bottom of the outer pot.

According to one embodiment of the invention, the connecting part comprises a radial connecting part and an axial connecting part, the radial connecting part is connected with the sealing part, and the axial connecting part extends towards the bottom of the pot body; the inner circumferential wall part area of the axial connecting part is radially raised and is abutted against the outer wall of the inner pot to hoop the inner pot sealing ring; the air guide channel comprises a first air guide channel and a second air guide channel; a first air guide channel communicated with the air guide hole is formed between the radial connecting part and the edge of the inner pot, and a second air guide channel communicated with the pressure cavity is formed between the inner wall of the axial connecting part which is not raised and the outer wall of the inner pot.

According to an embodiment of the invention, the radial connecting portion is recessed relative to the sealing portion so that the first air guide channel is circumferentially communicated, the inner circumferential wall of the axial connecting portion is provided with a plurality of ribs which are radially raised and abut against the outer wall of the inner pot, and a plurality of second air guide channels are formed between the inner wall of the axial connecting portion and the outer wall of the inner pot, which are not raised, between adjacent ribs.

According to one embodiment of the invention, the cooker cover air passage comprises an air passage joint and a flexible air nozzle connected to the tail end of the air passage joint, the flexible air nozzle is arranged opposite to the air guide hole on the edge of the inner cooker, and the air passage joint is hermetically connected to the air guide hole through the flexible air nozzle when the cooker cover is covered.

According to one embodiment of the invention, the pot cover sealing ring comprises an annular main body part, an inner sealing lip and an outer sealing lip, wherein the inner sealing lip and the outer sealing lip are positioned on two sides of the annular main body part; when the cover body covers the inner pot, the inner sealing lip and the outer sealing lip are abutted against the edge of the inner pot to seal the air guide hole, the inner sealing lip, the outer sealing lip and the edge of the inner pot are enclosed into an annular sealing cavity which is communicated with the air channel joint and the air guide hole in the circumferential direction.

According to an embodiment of the invention, the cooking utensil further comprises a pressure cooker cover which is arranged in a detachable manner with the cooker body, wherein the pressure cooker cover is provided with cover teeth, and the cooker body is provided with cooker teeth matched with the cover teeth; the pressure cooker cover can cover the cooker body when the draining and steaming component is removed and the cooker cover is opened, and a sealed pressure cavity is formed between the pressure cooker cover and the outer cooker.

In summary, in the cooking appliance provided by the invention, the draining and steaming component is integrally accommodated in the outer pot, and the whole cooking appliance is integrated after the pot cover is covered, so that the structure is very simple. And the banding mode of interior pot sealing washer based on interior pot edge, outer pot edge and interior pot outer wall is not only good, simple to operate of gas tightness, and also effectively shortened the interval between outer pot and the pot cover, provides the condition for removing the sealed outer pot of pot cover behind the waterlogging caused by excessive rainfall subassembly. The cooking utensil provided by the invention can have multiple cooking modes by combining the separable structure of the draining and steaming component and the distribution of the air passages; the draining and steaming component can be used for making draining rice when being placed, and can be used as a traditional electric cooker for stewing or cooking porridge after being removed, so that the multifunctional rice cooker is multifunctional. In addition, the air guide holes distributed on the edge of the pot also greatly simplify the positioning connection between the air guide holes and the pressure regulating assembly, and the inner pot and the outer pot are very convenient to mount after being cleaned.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is a schematic structural diagram of a cooking appliance according to a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another view angle in fig. 1.

Fig. 3 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.

Fig. 4 is an enlarged schematic view of fig. 3 at B.

Fig. 5 is an enlarged schematic view of C in fig. 3.

Fig. 6 is a schematic structural view of the inner pot sealing ring.

Fig. 7 is an exploded view of fig. 1, wherein the energy concentrating cap is received in the outer pan without separation.

Fig. 8 is a schematic structural view of the pot body and the pot cover.

Fig. 9 is an enlarged schematic view of fig. 8 at D.

Fig. 10 is a schematic structural view of the outer pot sealing ring.

Fig. 11 is a schematic structural view of the outer pot.

Fig. 12 to 14 are schematic structural views of the inner pot.

Fig. 15 is an enlarged schematic view at E in fig. 13.

Fig. 16 is an enlarged schematic view at F in fig. 14.

Fig. 17 is an exploded view of the inner energy gathering cover, the outer cooker and the heating element.

Fig. 18 is a partial cross-sectional view of a cooking appliance passing through two water level electrodes according to a second embodiment of the present invention.

Fig. 19 is a cross-sectional view of fig. 18.

Fig. 20 is an enlarged schematic view at G in fig. 19.

Fig. 21 is an enlarged view at H in fig. 19.

Fig. 22 is a schematic structural view of the inner pot sealing ring in fig. 18.

Fig. 23 is an exploded view of fig. 18.

Fig. 24 is an exploded view of the lid, the inner pot and the inner pot sealing ring.

Fig. 25 is a schematic structural diagram of a cooking appliance according to a third embodiment of the present invention.

Fig. 26 is an enlarged view at I in fig. 25.

FIG. 27 is an exploded view of FIG. 25, with the outer pot and the energy concentrating cover received within the pot body, unseparated.

Fig. 28 is a schematic structural view of a cooking appliance according to a fourth embodiment of the present invention.

Fig. 29 is an exploded view of fig. 28.

Detailed Description

Example one

The existing rice draining cooker has single function, and can only be used for making rice draining and can not realize other cooking functions. And the existing rice draining cooker has the problems of difficult positioning, unsatisfactory sealing effect, difficult cleaning and the like in the distribution of air passages.

In view of this, the present embodiment provides a cooking appliance that can realize a plurality of cooking modes and is very convenient for a user to use. As shown in fig. 1 to 17, the cooking device provided in this embodiment includes a pot body 1, an outer pot 2, a steam draining component 3, a pressure regulating component 4, a pot cover 5, and a heating component 6. The outer pot 2 is arranged in the pot body 1, and the outer pot edge 21 is provided with an air guide hole 100. The draining and steaming component 3 comprises an inner pot 31 and an inner pot sealing ring 32, the inner pot 31 is detachably arranged in the outer pot 2 and forms a pressure cavity 20 with the outer pot 2, the inner pot sealing ring 32 comprises a sealing part 321 and a connecting part 322, the sealing part 321 is positioned on the radial outer side of the air guide hole 100 and is tightly pressed between the inner pot edge 311 and the outer pot edge 21, and the connecting part 322 is abutted against the inner pot outer wall 312 to tightly clamp the inner pot sealing ring 32. An air guide channel for communicating the air guide hole 100 and the pressure chamber 20 is formed between the inner pot sealing ring 32 and the outer pot 2 opposite thereto. The pressure regulating assembly 4 is arranged on the pot body 1 and is communicated with the air guide hole 100 in a sealing way, and the pressure regulating assembly 4 is used for regulating the pressure in the pressure cavity 20; or can deliver gas into the outer pan 2 to lower the temperature of the liquid in the outer pan 2 when the steaming component 3 is removed. The pot cover 5 is sealed and closed on the inner pot 31 through a pot cover sealing ring 53; or the pot cover 5 can be sealed and jointed with the outer pot 2 through the pot cover sealing ring 53 when the steaming component 3 is removed. The heating member 6 is provided to the pot body 1 to heat the outer pot 2.

In the cooking apparatus provided in this embodiment, the detachable structure of the draining and steaming component 3 enables the cooking apparatus to be used for making low-sugar draining rice, and also to be used as a conventional electric cooker for stewing or cooking porridge when the draining and steaming component 3 is removed. When the electric cooker works in the traditional electric cooker mode, the cooker cover 5 is required to be sealed and combined with the outer cooker 2 through the cooker cover sealing ring 53. However, since the sealed pressure chamber 20 is formed between the inner pot 31 and the outer pot 2 in the rice draining cooking mode, the inner pot sealing ring 32 is required to be accommodated between the outer pot 2 and the pot cover 5 besides the inner pot edge 311; i.e. the thickness of the inner pot rim 311, the thickness of the inner pot sealing ring 32 and the thickness of the structure for clamping the inner pot sealing ring 32 determine the sealing distance between the lid 5 and the outer pot 2. If the sealing distance between the two is too large, the outer pot 2 cannot be sealed by the pot cover 5 after the steaming component 3 is removed, so that the electric cooker cannot normally work in the traditional electric cooker mode.

In the existing household electrical appliance, the sealing ring is mainly fixed by a buckle and then radially hooped by an annular groove. The arrangement of the buckle and the annular groove inevitably increases the thickness of the edge of the inner pot, thereby increasing the sealing distance between the pot cover and the outer pot; if the buckling structure and the annular groove are arranged on the edge of the outer pot, the sealing performance between the pot cover and the outer pot is affected. In addition, because the inner pot and the outer pot are usually made of hardware materials, glass or ceramics, the processing difficulty of arranging the buckles and the annular grooves is very high. Further, for this embodiment, the air passage distribution still needs to be considered in the setting of interior pot sealing washer.

In order to solve the contradiction, in the cooking utensil provided in the present embodiment, as shown in fig. 3 to 6, the inner pot sealing ring 32 is fixed without a buckle, the sealing portion 321 is pressed between the inner pot rim 311 and the outer pot rim 21 based on the gravity of the inner pot 31, and the inner pot 31 and the outer pot 2 are fixed while being sealed. At the same time, the connecting portion 322 of the inner pot sealing ring 32 is arranged against the inner pot outer wall 312, so that the inner pot sealing ring 32 is braced in the radial direction. The inner pot sealing ring fixing mode without the buckle and the annular groove provided by the embodiment enables the sealing distance between the pot cover 5 and the outer pot 2 to be only dependent on the thickness of the inner pot edge 311 and the sealing part 321, and the thickness of the inner pot sealing ring fixing structure is not required to be considered, so that the distance between the pot cover 5 and the outer pot 2 is greatly shortened, and conditions are provided for the cooking appliance to work in the traditional electric cooker mode. Further, the formula of holding in proper order of the pot body 1, outer pot 2, interior pot 31 is placed and is made the cooking utensil formula structure as an organic whole that this embodiment provided, and not only convenient to use and interior pot 31 have heat preservation performance well, so can adopt the thin individual layer material of thickness to make to further shorten the sealing distance between pot cover 5 and the outer pot 2, guarantee the sealed effect between the two.

In the distribution of the air passage, because the sealing part 321 is located at the outer side of the air guide hole 100 and the inner pot sealing ring 32 extends along the lower surface of the inner pot rim 311, an air guide channel for communicating the air guide hole 100 and the pressure chamber 20 is formed between the inner pot sealing ring 32 and the outer pot 2 opposite to the inner pot sealing ring, thereby realizing the communication of the air passage. Specifically, the connecting portion 322 includes a radial connecting portion 3221 and an axial connecting portion 3222, and the radial connecting portion 3221 connects the sealing portion 321 and abuts against the bottom of the inner pot rim 311. The axial connecting portion 3222 extends toward the bottom of the pot body 1 and abuts against the inner pot outer wall 312. The air guide channels include a first air guide channel 3201 and a second air guide channel 3202; a first air guide channel 3201 communicated with the air guide hole 100 is formed between the radial connecting portion 3221 and the outer pot rim 21, and a second air guide channel 3202 communicated with the pressure chamber 20 is formed between the axial connecting portion 3222 and the outer pot body 22.

In summary, the inner pot sealing ring 32 provided in this embodiment effectively realizes the communication between the air guide hole 100 and the pressure chamber 20 while shortening the sealing distance between the pot cover 5 and the outer pot 2. Further, based on the guiding of the inner pan outer wall 312 and the inner pan edge 311, the radial connecting portion 3221 and the axial connecting portion 3222 are bent at a large angle, and the inner pan sealing ring 32 is of an open structure, so that the structure is more convenient to clean compared with a double-lip sealing ring in the existing household appliance.

In the rice draining cooking mode, the pressure regulating assembly 4 supplies or removes air to the pressure chamber 20 through the air guide holes 100 and the air guide channels to change the pressure in the pressure chamber 20, so as to promote the water flow between the outer pot 2 and the inner pot 31, thereby achieving rice soaking and draining. And when the traditional electric cooker is in a porridge cooking mode, the pressure regulating assembly 4 inputs cold air into the outer pot 2 through the air guide holes 100 so as to reduce the temperature of rice soup in the outer pot, namely the temperature of the rice soup is controlled within a certain range so that rice grains can be gradually gelatinized and release essence in the temperature range, and the mode of slow stewing by firewood is simulated.

In the present embodiment, as shown in fig. 3, 4, 7 and 8, the pressure regulating assembly 4 includes an air pump 41 and a flexible air duct 42. The pot body 1 is provided with a pot body air passage 11 extending to the upper end surface thereof, the bottom end of the pot body air passage 11 is communicated with the flexible air duct 42, and the top end thereof is hermetically communicated with the air guide hole 100 on the edge of the outer pot through the axial air hole 70 on the outer pot sealing ring 7. Because the air duct 11 of the cooker body is stable and unchangeable, the air guide hole 100 is only needed to be aligned to the axial air hole 70 on the sealing ring 7 of the outer cooker when the outer cooker 2 is cleaned and assembled, and the positioning of the air guide hole 100 can be observed by naked eyes, so that the positioning is very convenient and accurate. However, the present invention is not limited thereto. In other embodiments, the pot body is also only provided with a channel for the air duct of the pressure regulating assembly to pass through, and the air duct is directly connected to the air guide hole.

In order to further simplify the assembly of the outer pot 2, in the present embodiment, as shown in fig. 4, 5 and 10, the outer pot sealing ring 7 is provided to include an annular ring body 71 and two annular sealing flaps 72 located on the upper surface of the annular ring body 71, the annular ring body 71 has an axial air hole 70, the outer pot rim 21 abuts against the two annular sealing flaps 72, and an annular air passage 710 communicating with the axial air hole 70 and running through in the circumferential direction is formed among the outer pot rim 21, the two annular sealing flaps 72 and the upper surface of the annular ring body 71. Based on the circumferential communication of the annular air passage 710, the air guide holes 100 on the outer pot rim 21 and the axial air holes 70 can be communicated without positioning, thereby greatly facilitating the assembly of the outer pot 2 after cleaning. However, the present invention is not limited in this respect. In other embodiments, the air passage of the pot body can also be communicated to the air guide hole through the flexible air nozzle, and an outer pot sealing ring is not needed.

As described above, based on the detachable structure of the steaming and draining assembly 3, the inner pot sealing ring 32 and the distribution of the air passages, the cooking appliance provided in this embodiment can have multiple cooking modes, thereby achieving one machine with multiple purposes. Various cooking modes will be described below with reference to fig. 1 to 17.

The first cooking mode is a draining rice making mode, at the moment, the draining and steaming component 3 is placed in the outer pot 2, the draining and steaming component 3 further comprises an energy collecting cover 33 connected to the bottom of the inner pot 31 in a sealing mode, and the bottom of the inner pot 31 is provided with a draining groove communicated with the energy collecting cover 33. A water flow channel is arranged between the bottom of the energy-gathering cover 33 and the inner bottom wall of the outer pot 2, and water in the outer pot 2 submerges the water flow channel. The pot cover 5 is sealed and covered on the inner pot 31. The pressure regulating assembly 4 supplies air into the pressure chamber 20 through the pot body air passage 11, the axial air hole 70, the annular air passage 710, the air guide hole 100, the first air guide passage 3201 and the second air guide passage 3202. The pressure in the pressure cavity 20 is increased, and the water in the outer pot 2 enters the energy-gathering cover 33 through the water flow channel and rises to enter the inner pot 31 through the draining groove for rice steeping. After the soaked rice meets the requirement, the pressure regulating assembly 4 reduces the pressure in the pressure cavity 20, and water in the inner pot 31 falls back to the outer pot 2 through the water draining groove and the energy collecting cover 33, so that water draining is realized. Then, the heating element 6 is started to heat the water in the energy-gathering cover 33 to generate steam to steam the rice layer in the inner pot 31, and the steam is discharged through a steam port on the pot cover 5. During the steaming process, the pressure in the pressure cavity 20 can be regulated again or for multiple times to ensure that the water in the outer pot 2 enters the inner pot 31 to supplement water for a short time; and then draining. And after draining, the steam continues to heat the rice layer until the rice is cooked.

In the present embodiment, the energy concentrating cover 33 includes an energy concentrating outer cover 331, an energy concentrating inner cover 332, and an energy concentrating cover sealing ring 333. A first water flow channel is arranged between the energy-gathering inner cover 332 and the inner bottom wall of the outer pot 2, a second water flow channel communicated with the outer pot 2 is arranged between the energy-gathering outer cover 331 and the energy-gathering inner cover 332, and a steam hole communicated with a draining tank is arranged at the top of the energy-gathering inner cover 332. The inner pot 31 is connected to the energy concentrating housing 331 by an energy concentrating housing gasket 333. The heating element 6 heats the water in the energy collecting inner cover 332 to rapidly generate steam, and the steam enters the inner pot 31 through the steam holes at the top of the energy collecting inner cover 332 and the draining tank at the bottom of the inner pot 31.

In the embodiment, the heating element 6 is an electromagnetic coil, and the outer pot 2 is made of a magnetic conductive metal material; the diameter of the heating element 6 is close to the inner diameter of the energy-collecting inner jacket 332. However, the present invention is not limited thereto. In other embodiments, the diameter D3 of the electromagnetic coil can be set to be 2-10mm smaller than the inner diameter D2 of the shaped inner housing 332 to concentrate heat on the shaped inner housing 332 during heating to generate steam rapidly (as in example two). Or the heating element can also comprise an inner electromagnetic coil and an outer electromagnetic coil, and the inner electromagnetic coil is adopted to heat the energy-gathering inner cover in the rice-dropping making mode; in the traditional electric cooker mode, the inner electromagnetic coil and the outer electromagnetic coil work together to improve the heating uniformity and efficiency.

In this embodiment, the inner pot 31 is used for conveying water and steam through a plurality of water leaching tanks at the bottom. Since the width of the draining tank is less than the short diameter of the rice grains, about 1.5 mm; therefore, the rice layer can be directly placed at the bottom of the inner pot 31, and the bottom of the inner pot 31 can be used as a steaming grid. However, the present invention is not limited thereto. In other embodiments, a plurality of larger water through holes can be arranged at the bottom of the inner pot to realize the transmission of water flow and steam, and the rice layer is arranged on the steaming grid in the inner pot.

In this embodiment, as shown in fig. 12 to 16, the bottom of the inner pot includes a protrusion 313 and an outer circumferential portion 314, the protrusion 313 protrudes upward relative to the outer circumferential portion 314, the protrusion 313 has a plurality of radial draining grooves 3130, and a plurality of circumferential draining grooves 3140 are spaced apart from each other on the outer circumferential portion 314. The provision of the radial and

circumferential draining grooves

3130, 3140 increases the area of water and steam passing therethrough, thereby allowing a faster flow of water and steam into the inner pot 31 or a faster draining of water out of the inner pot 31. Particularly, in the draining stage, the radial draining grooves 3130 and the circumferential draining grooves 3140 can ensure that all areas at the bottom of the inner pot 31 can be drained completely, and the phenomenon that the rice at the bottom layer is wet and gelatinized excessively due to water accumulation in partial areas is avoided.

In this embodiment, the inner pot 31 is integrally formed after being integrally stretched, and the thickness of the bottom wall and the side wall of the inner pot 31 is about 2 mm, which is close to the diameter of rice, so that the rice is easily stuck in the draining tank and is not easy to clean. To solve this problem, as shown in fig. 15 and 16, the outer peripheral walls of the radial draining grooves 3130 and the circumferential draining grooves 3140 are chamfered to form inclined guide walls 315 having a thickness gradually decreasing toward the center. This setting will make when wasing brush push away can release the grain of rice of card in the waterlogging caused by excessive rainfall groove, and the user washs very conveniently. Preferably, the end thickness of the inclined guide wall 315 is set to be equal to 1/4 of the thickness of the start end. For an inner pot 31 having a wall thickness T1 of 2 mm, the thickness T2 of the tip of the inclined guide wall 315 is 0.5 mm. However, the present invention is not limited thereto.

The second cooking mode is a rice cooking mode of a conventional electric rice cooker. In the cooking mode, the draining and steaming component 3 is removed and the rice layer is placed in the outer pot 2, and the pot cover 5 is sealed and covered on the outer pot 2. The heating member 6 heats the water and the rice layer in the outer pot 2 to stew the rice.

The third cooking mode is a porridge cooking mode. In which cooking mode the cooking module 3 is removed and the rice layer is placed inside the outer pot 2. The pot cover 5 is sealed and covered on the outer pot 2, the heating element 6 heats the water and the rice layer in the outer pot 2, and the pressure regulating component 4 is opened in stages after the temperature of the rice water reaches the set requirement. The pressure regulating assembly 4 inputs low-temperature cold air into the outer pot 2 through the pot body air passage 11, the axial air hole 70, the annular air passage 710 and the air guide hole 100 so as to reduce the temperature of rice water in the outer pot 2, inhibit the rice water from overflowing and accurately control the gelatinization temperature and gelatinization time of rice grains. According to the arrangement, the heating element 6 of the cooking appliance can be heated by high power in a porridge cooking mode to simulate the traditional firewood porridge, so that the taste of the rice porridge is improved, and the phenomenon that rice soup bubbles generated by high-power continuous heating overflow from a steam port on the pot cover 5 is effectively avoided.

The existing kitchen appliances mostly adopt a single electrode to detect the water level so as to prevent dry burning. However, in this embodiment, since the rice layer will absorb water and expand after soaking rice, it will expand again during steaming; if a single electrode is used for detection, after draining, the expanded rice layer may contact with the electrode to conduct electricity, so that misjudgment of the electrode occurs.

In view of this, the present embodiment provides a detection manner based on the dual water level electrodes 8, and the water level detection is realized by detecting the resistance between the dual water level electrodes 8. Although the resistance value of the rice grains decreases after the rice grains absorb water and swell, the resistance between the swelled rice grains is larger than that of water within the same conductive distance and the difference in resistance between the swelled rice grains becomes more significant as the center distance D1 between the two water level electrodes 8 becomes larger. Therefore, the present embodiment realizes accurate detection of two different contact states, i.e., the contact between the two water level electrodes 8 and water and the contact between the two water level electrodes and the rice layer, by controlling the center distance D1 between the two water level electrodes 8. In addition, it is considered that the excessive center-to-center distance D1 also makes it difficult to form a discrimination signal between the two water level electrodes 8. It is preferable that the center-to-center distance D1 between the two water level electrodes 8 is set to be greater than or equal to 5 mm and less than or equal to 200 mm.

Furthermore, in the rice draining preparation process, the water is required to completely submerge the rice layer when the rice is soaked. To satisfy this condition, a distance D2 from the tip of each water level electrode 8 to the inner bottom wall of the outer peripheral portion 314 that is not raised at the bottom of the inner pot 31 is set to be 30 mm or more (the distance D2 can be seen from fig. 18 of the second embodiment). In the case where the depth of the inner pot 31 is determined, the larger the distance D2, the higher the water level in the inner pot 31 at the time of rice soaking.

Based on the accurate discrimination of the double water level electrodes 8, the control panel positioned in the pot cover 5 controls the working state of the air pump (pressure regulating component) through a water level detection signal. Specifically, when the rice is soaked, if the water level is detected to be in contact with the double water level electrode 8, the control board outputs a stop signal or an intermittent working signal to the air pump to maintain the water level of the inner pot 31. In addition, the water level electrode 8 installed on the pot cover 5 also enables all the electric control elements of the cooking utensil provided by the embodiment to be arranged in the pot cover 5, thereby not only simplifying the circuit wiring, but also well avoiding the influence of liquid in the pot on the circuit elements.

Example two

This embodiment is substantially the same as the first embodiment and its variations, except that the composition structure of the air passage is different.

As shown in fig. 18 to 24, the cooking device provided in this embodiment includes a pot body 1, an outer pot 2, a steam draining component 3, a pot cover 5, a pressure regulating component 4, and a heating component 6. The draining and steaming component 3 comprises an inner pot 31 and an inner pot sealing ring 32, the inner pot 31 is detachably arranged on the outer pot 2 and forms a pressure cavity 20 with the outer pot 2, the inner pot edge 311 is provided with an air guide hole 100, the inner pot sealing ring 32 comprises a sealing part 321 and a connecting part 322, the sealing part 321 is positioned on the radial outer side of the air guide hole 100 and tightly presses between the inner pot edge 311 and the outer pot edge 21, the connecting part 322 is abutted against the outer wall 312 of the inner pot to tightly clamp the inner pot sealing ring 32, and an air guide channel for communicating the air guide hole 100 with the pressure cavity 20 is formed between the inner pot sealing ring 32 and the inner pot 31 relative to the inner pot sealing ring. The pot cover 5 comprises a cover body 51 and a pot cover air passage 52, the cover body 51 is covered on the inner pot 31 in a sealing way through a pot cover sealing ring 53, and the pot cover air passage 52 is communicated with the air guide hole 100; or when the draining and steaming component 3 is removed, the pot cover 5 can be sealed and combined with the outer pot 2 through the pot cover sealing ring 53 and the pot cover air passage 52 is communicated with the outer pot 2. The pressure regulating assembly 4 is arranged on the cooker body 1 and communicated with the cooker cover air passage 52, and the pressure regulating assembly 4 is used for regulating the pressure in the pressure cavity 20; or can be used to lower the temperature of the liquid in the outer pot 2 by transferring gas into the outer pot 2 when the steaming component 3 is removed. The heating element 6 is arranged at the bottom of the outer pot 2.

In this embodiment, the lid air passage 52 includes an air passage connector 521 and a flexible air nozzle 522 detachably connected to the end of the air passage connector 521. After the lid 5 is closed, the air duct joint 521 is hermetically connected to the air guide hole 100 through the flexible air nozzle 522. In this structure, the user can observe the air vent 100 and the flexible air nozzle 522 by opening the lid 5, and the inner pot 31 can be quickly and accurately placed by combining with the positioning mark (not shown in the figure) on the edge of the pot body 1 so as to make the air vent 100 and the flexible air nozzle 522 in sealed butt joint. In addition, the flexible air nozzle 522 is also greatly convenient to detach, clean and replace.

In this embodiment, the pressure-regulating assembly 4 includes an air pump 41 for delivering air and extracting air, and an air duct 42. The air pump 41 is accommodated in the pot body 1 and close to the pot cover 5, and one end of the air duct 42 is connected with the air pump 41, and the other end is connected with the air duct joint 521 on the pot cover 5.

As for the inner pot sealing ring, as in the first embodiment, the inner pot sealing ring 32 is also assembled between the inner pot rim 311, the outer pot rim 21 and the inner pot outer wall 312 in a fixing manner without a buckle or an annular groove, so that the sealing distance between the pot cover 5 and the outer pot 2 is greatly shortened, and conditions are provided for the cooking appliance to work in the conventional electric cooker mode. Specifically, as shown in fig. 20 and 21, the sealing portion 321 is pressed between the inner pot rim 311 and the outer pot rim 21 based on the gravity of the inner pot 31, and fixes itself while sealing the inner pot 31 and the outer pot 2; while the connecting portion 322 radially clamps the inner pot sealing ring 32 against the outer wall 312 of the inner pot.

In the air channel distribution, the connecting portion 322 also includes a radial connecting portion 3221 and an axial connecting portion 3222, the radial connecting portion 3221 is connected to the sealing portion 321, and the axial connecting portion 3222 extends toward the bottom of the pot body 1. As shown in fig. 21 and 22, an inner circumferential wall section area of the axial connecting portion 3222 is radially raised and abuts against the inner pot outer wall 312 to tighten the inner pot sealing ring 32. The air guide channels include a first air guide channel 3201 and a second air guide channel 3202. Wherein, a first air guide channel 3201 communicated with the air guide hole 100 is formed between the radial connecting portion 3221 and the inner pan rim 311, and a second air guide channel 3202 communicated with the pressure chamber 20 is formed between the inner wall of the non-protruding axial connecting portion 3222 and the inner pan outer wall 312.

As shown in fig. 21 and 22, the circumferential wall of the axial connecting portion 3222 has a plurality of ribs 3223 protruding radially and abutting against the outer wall of the inner pot 31, and a second air guide channel 3202 is formed between the non-protruding axial connecting portion 3222 between adjacent ribs 3223 and the outer wall 312 of the inner pot. The plurality of second air guide passages 3202 are communicated with the first air guide passages 3201 which penetrate in the circumferential direction. However, the present invention is not limited thereto. In other embodiments, the axial connecting part can also be continuously and radially raised in a part area, and the non-raised area is opposite to the air guide hole.

In this embodiment, the first gas guide channel 3201 divides the gas entering from the gas guide hole 100 into a plurality of second gas guide channels 3202; or the gas in the second gas guide channels 3202 is collected and output to the gas guide holes 100, the pressure in all the areas in the pressure chamber 20 is uniformly changed, the problems of unsmooth water flow caused by uneven pressure difference generated in the pressure cavity 20, leakage caused by overlarge pressure bearing of partial area of the inner pot sealing ring 32 and the like are avoided. The whole uniform pressure bearing enables the inner pot sealing ring 32 to adopt the sealing part 321 with smaller thickness to realize effective sealing between the inner pot 31 and the outer pot 2. The reduction of the thickness of the sealing part 321 can further reduce the sealing distance between the cooker cover 5 and the outer cooker edge 21, and improve the sealing performance of the traditional electric cooker in the working mode.

In this embodiment, a second air guiding channel is formed between the axial connecting portion 3222 of the inner pot sealing ring and the inner pot outer wall 312. However, the present invention is not limited thereto. In other embodiments, all areas of the axial connecting part can be completely abutted against the outer wall of the inner pot, the sealing ring of the inner pot is provided with a through hole which is arranged opposite to the air guide hole, and the through hole forms an air guide channel for communicating the air guide hole and the pressure cavity.

Similarly, compared with the double-lip sealing ring in the existing household appliance, in the inner pot sealing ring provided by the embodiment, the inner pot sealing ring 32 is in an open structure due to the large-angle bending between the radial connecting portion 3221 and the axial connecting portion 3222, and the inner pot sealing ring 32 is not provided with a fine slotted hole, so that the inner pot sealing ring is very convenient to clean.

As in the first embodiment, the cooking appliance provided in this example also has multiple cooking modes.

The first cooking mode is the preparation of the draining rice, at this time, the draining and steaming component 3 is placed in the outer pot 2, the draining and steaming component 3 further comprises an energy collecting cover 33 connected to the bottom of the inner pot 31 in a sealing manner, and the bottom of the inner pot 31 is provided with a draining tank communicated with the energy collecting cover 33. A water flow channel is arranged between the bottom of the energy-gathering cover 33 and the inner bottom wall of the outer pot 2, and water in the outer pot 2 submerges the water flow channel. The pot cover 5 is sealed and covered on the inner pot 31. The air pump 41 delivers air into the pressure chamber 20 through the air tube 42, the air tube connector 521, the flexible air nozzle 522, the air hole 100, the first air channel 3201 and the second air channel 3202. The pressure in the pressure cavity 20 is increased, and the water in the outer pot 2 enters the energy-gathering cover 33 through the water flow channel and enters the inner pot 31 through the draining groove to soak rice. After the soaked rice meets the requirement, the air pump 41 reduces the pressure in the pressure cavity 20, and the water in the inner pot 31 falls back to the outer pot 2 through the water draining tank and the energy collecting cover 33, so that water draining is realized. Then, the heating element 6 is started to heat the water in the energy-gathering cover 33 to generate steam to steam the rice layer in the inner pot 31, and the steam is discharged through a steam port on the pot cover 5. The pressure in the pressure cavity 20 can be regulated again or repeatedly in the steaming process so that the water in the outer pot 2 enters the inner pot 31 for supplementing water for a short time; and then draining. After draining, the steam continues to heat the rice layer until the rice is cooked.

The third cooking mode is a porridge cooking mode. In which cooking mode the cooking module 3 is removed and the rice layer is placed inside the outer pot 2. The pot cover 5 is sealed to cover the outer pot 2, the heating element 6 heats the water and rice layers in the outer pot 2, the pressure regulating assembly 4 is opened in stages after the temperature of the rice water reaches a set requirement, the pressure regulating assembly 4 inputs low-temperature cold air into the outer pot 2 through the air duct 42, the air duct connector 521, the flexible air nozzle 522 and the air guide hole 100 so as to reduce the temperature of the rice water in the outer pot 2, and the gelatinization temperature and gelatinization time of rice grains are accurately controlled while the rice water is prevented from overflowing. This setting makes cooking utensil that this embodiment provided can adopt high-power heating in order to simulate traditional firewood porridge at heating element 6 under the mode of cooking porridge, has effectively avoided high-power produced rice water bubble of continuous heating to spill over from the steam port on pot cover 5 when improving rice porridge taste.

In the cooking utensil provided in the present embodiment, the structures of the energy collecting cover 33, the double water level electrode 8, the lid sealing ring 53, and the like are the same as those of the first embodiment. The difference between the inner pot and the first embodiment is that the inner pot edge 311 of the present embodiment is provided with the air guide hole 100; the outer pot is distinguished by the absence of gas-conducting holes. Therefore, the description is omitted.

EXAMPLE III

This embodiment is substantially the same as the second embodiment and its variations, except that: the structure of the lid sealing ring 53' is different and the connection manner of the lid air passage 52 and the air guide hole 100 is different.

As shown in fig. 25 to 27, the lid seal ring 53 'includes a main body portion 531', inner and outer seal lips 532', 533' on both sides of the main body portion 531', and a fitting portion 534'. The fitting portion 534 'is engaged with a locking groove of the lid 51, and the air passage joint 521 of the lid air passage 52 is connected to the body 531' of the lid packing. After the cover body 51 is closed, the inner sealing lip 532 'and the outer sealing lip 533' abut against the inner pot edge 311 on the periphery of the air guide hole 100, the inner sealing lip 532', the outer sealing lip 533' and the inner pot edge 311 enclose a through annular sealing cavity 530', and the through annular sealing cavity 530' is communicated with the air channel joint 521 and the air guide hole 100.

In the second embodiment, in order to realize the butt joint of the air vent 100 and the flexible air faucet 522, the inner pot 31 needs to be positioned according to the positioning mark. In the embodiment, the structure of the lid sealing ring 53 'is changed to close the lid 5, and then the inner sealing lip 532', the outer sealing lip 533 'and the inner rim 311 form a through annular sealing cavity 530'. Based on the circumferential penetration of the annular sealing cavity 530', the inner pot 31 can be placed at will to realize the communication between the air passage joint 521 and the air guide hole 100, that is, on the axial projection plane of the functional cooking appliance, the air passage joint 521 and the air guide hole 100 can be staggered or overlapped. The user need not to fix a position pot 31 in when using, places the intercommunication that pot 31 can realize the air flue in at will, uses convenience very. Furthermore, the air passage joint 521 and the air guide hole 310 are hermetically connected based on the pot cover sealing ring 53', so that a flexible air nozzle is not required to be arranged in the embodiment, the cost is reduced, and the assembly and the cleaning are greatly facilitated.

Example four

This embodiment is substantially the same as the second embodiment and its variations, except that: as shown in fig. 28 and 29, the cooking appliance further comprises a pressure cooker lid 9, the lid 9 having lid teeth (not shown for reasons of perspective) and the cooker body 1 having cooker teeth 12 matching the lid teeth. This arrangement will allow the cooking appliance provided in this example to also have a fourth cooking mode, i.e., a high pressure cooking mode. In this mode, the lid 5 is in an open state and the cooking element 3 is removed from the outer pot 2, the pressure lid 9 is covered on the pot body 1 by the matching of the lid teeth and the pot teeth 12, and a sealed pressure cavity is formed between the pressure lid 9 and the outer pot 2 by the pressure lid sealing ring 91. However, the present invention is not limited in this respect. In other embodiments, when the cooking pressure requirement is not high, such as only micro-pressure is needed, the cooker teeth and the cover teeth do not need to be arranged, and the cooker cover 5 only needs to be replaced by a pressure cooker cover with higher pressure bearing capacity.

Although the present embodiment takes the structure of the second embodiment as an example to describe the high pressure cooking mode. However, similarly, a pressure cooker cover may be added to the structure shown in the first embodiment to realize a high-pressure cooking mode.

In summary, in the cooking appliance provided by the invention, the draining and steaming component is integrally accommodated in the outer pot, and the whole cooking appliance is integrated after the pot cover is covered, so that the structure is very simple. And the tight mode of interior pot sealing washer based on interior pot edge, outer pot edge and interior pot outer wall not only the gas tightness is good, simple to operate, and has still effectively shortened the interval between outer pot and the pot cover, provides the condition for removing the sealed outer pot of pot cover behind the waterlogging caused by excessive rainfall subassembly. The cooking utensil provided by the invention can have multiple cooking modes by combining the separable structure of the draining and steaming component and the distribution of the air passages; the draining and steaming component can be used for making draining rice when being placed, and can be used as a traditional electric cooker for stewing or cooking porridge after being removed, so that the multifunctional rice cooker is multifunctional. In addition, the air guide holes distributed on the pot edge also greatly simplify the positioning connection between the air guide holes and the pressure regulating assembly, and the inner pot and the outer pot are very convenient to mount after being cleaned.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A cooking appliance, comprising:

a pan body;

the outer pot is arranged in the pot body, and the edge of the outer pot is provided with an air guide hole;

the draining and steaming assembly comprises an inner pot and an inner pot sealing ring, the inner pot is detachably arranged in the outer pot, a pressure cavity is formed between the inner pot and the outer pot, the inner pot sealing ring comprises a sealing part and a connecting part, the sealing part is positioned at the radial outer side of the air guide hole and tightly pressed between the inner pot edge and the outer pot edge, the connecting part is abutted against the outer wall of the inner pot to tightly clamp the inner pot sealing ring, and an air guide channel for communicating the air guide hole and the pressure cavity is formed between the inner pot sealing ring and the outer pot opposite to the inner pot sealing ring;

the pressure regulating assembly is arranged on the pot body and is communicated with the air guide hole in a sealing way, and the pressure regulating assembly is used for regulating the pressure in the pressure cavity; or when the steaming component is removed, the gas can be conveyed into the outer pot to reduce the temperature of the liquid in the outer pot;

the pot cover is sealed and closed in the inner pot through a pot cover sealing ring; or the pot cover can be sealed and closed on the outer pot through the pot cover sealing ring when the draining and steaming component is removed;

the heating member is arranged on the pot body to heat the outer pot.

2. The cooking appliance according to claim 1, wherein the connecting portion comprises a radial connecting portion and an axial connecting portion, the radial connecting portion is connected with the sealing portion and closely attached to the bottom of the inner pot rim, and the axial connecting portion extends towards the bottom of the pot body and abuts against the outer wall of the inner pot; the air guide channel comprises a first air guide channel and a second air guide channel; wherein, a first air guide channel communicated with the air guide hole is formed between the radial connecting part and the edge of the outer pot, and a second air guide channel communicated with the pressure cavity is formed between the axial connecting part and the body of the outer pot.

3. The cooking appliance of claim 1, wherein the pan body has a pan body air passage extending to an upper end surface thereof, a bottom end of the pan body air passage communicates with the pressure regulating assembly, and a top end thereof is in sealed communication with the air guide hole on the rim of the outer pan through the axial air hole on the outer pan seal ring.

4. The cooking utensil of claim 3 wherein the outer pot sealing ring comprises an annular ring body and two annular sealing flaps on an upper surface of the annular ring body, the annular ring body has an axial air hole thereon, the outer pot rim abuts against the two annular sealing flaps, and an annular air passage which communicates the axial air hole and the air guide hole and is circumferentially continuous is formed between the outer pot rim, the two annular sealing flaps and the upper surface of the annular ring body.

5. The cooking appliance of claim 1, further comprising two level electrodes detachably attached to the lid, wherein a center-to-center distance between the two level electrodes is greater than or equal to 5 mm, and a maximum distance from a tip of the level electrode to an inner bottom wall of the inner lid is greater than or equal to 30 mm.

6. The cooking appliance of claim 1, wherein the inner pan bottom includes a raised portion and an outer peripheral portion, the raised portion is raised upward relative to the outer peripheral portion, the raised portion has a plurality of radial draining grooves thereon, and the outer peripheral portion has a plurality of circumferential draining grooves spaced apart therefrom.

7. The cooking appliance according to claim 6, wherein the circumferential wall of the radial draining tank and/or the circumferential draining tank is chamfered to form an inclined guiding wall having a thickness gradually decreasing toward the center of the draining tank, and the thickness of the tail end of the inclined guiding wall is equal to 1/4 of the thickness of the starting end.

8. A cooking appliance, comprising:

a pot body and an outer pot;

the draining and steaming assembly comprises an inner pot and an inner pot sealing ring, the inner pot is detachably arranged on the outer pot and forms a pressure cavity with the outer pot, the edge of the inner pot is provided with an air guide hole, the inner pot sealing ring comprises a sealing part and a connecting part, the sealing part is positioned on the radial outer side of the air guide hole and is tightly pressed between the edge of the inner pot and the edge of the outer pot, the connecting part is abutted against the outer wall of the inner pot to tightly clamp the inner pot sealing ring, and an air guide channel for communicating the air guide hole and the pressure cavity is formed between the inner pot sealing ring and the inner pot opposite to the inner pot sealing ring; or the inner pot sealing ring is provided with a through hole which forms an air guide channel for communicating the air guide hole and the pressure cavity;

the cooker cover comprises a cover body and a cooker cover air passage, the cover body is sealed and closed on the inner cooker through a cooker cover sealing ring, and the cooker cover air passage is communicated with the air guide hole; or when the draining and steaming component is removed, the pot cover can be sealed and combined with the outer pot through the pot cover sealing ring and the pot cover air passage is communicated with the outer pot;

the pressure regulating assembly is arranged on the pot body and communicated with the pot cover air passage and is used for regulating the pressure in the pressure cavity; or when the steaming component is removed, the gas can be conveyed into the outer pot to reduce the temperature of the liquid in the outer pot;

and the heating element is arranged at the bottom of the outer pot.

9. The cooking appliance of claim 8, wherein the connecting portion comprises a radial connecting portion and an axial connecting portion, the radial connecting portion connects the sealing portion, and the axial connecting portion extends toward the bottom of the pot body; the inner circumferential wall part area of the axial connecting part is radially raised and is abutted against the outer wall of the inner pot to hoop the inner pot sealing ring; the air guide channel comprises a first air guide channel and a second air guide channel; a first air guide channel communicated with the air guide hole is formed between the radial connecting part and the edge of the inner pot, and a second air guide channel communicated with the pressure cavity is formed between the inner wall of the axial connecting part which is not raised and the outer wall of the inner pot.

10. The cooking utensil of claim 9 wherein the radial connecting portion is recessed relative to the sealing portion to allow the first air guide channel to extend circumferentially therethrough, the axial connecting portion has a plurality of radially raised ribs on an inner peripheral wall thereof that abut the outer wall of the inner pan, and a plurality of second air guide channels are formed between inner walls of non-raised axial connecting portions between adjacent ribs and the outer wall of the inner pan.

11. The cooking utensil of claim 8 wherein the lid air passage includes an air passage connector and a flexible air nipple connected to the end of the air passage connector, the flexible air nipple being disposed opposite the air vent on the rim of the inner pot, the air passage connector being sealingly connected to the air vent through the flexible air nipple when the lid is closed.

12. The cooking appliance of claim 8, wherein the lid sealing ring comprises an annular main body portion and inner and outer sealing lips on both sides of the annular main body portion, the air duct joint being connected to the annular main body portion; when the cover body covers the inner pot, the inner sealing lip and the outer sealing lip are abutted to the edge of the inner pot to seal the air guide hole, the inner sealing lip, the outer sealing lip and the edge of the inner pot are enclosed into an annular sealing cavity which is circumferentially communicated, and the annular sealing cavity is communicated with the air passage joint and the air guide hole.

13. The cooking appliance of claim 8, further comprising a pressure cooker cover detachably disposed with the cooker body, the pressure cooker cover having cover teeth thereon, the cooker body having cooker teeth matching the cover teeth; the pressure cooker cover can cover the cooker body when the steam draining component is removed and the cooker cover is opened, and a sealed pressure cavity is formed between the pressure cooker cover and the outer cooker.