CN110051211B

CN110051211B - Cooking utensil and steam rice cooker

Info

Publication number: CN110051211B
Application number: CN201810046945.5A
Authority: CN
Inventors: 朱泽春; 马艳龙; 于凌振
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2018-01-18
Filing date: 2018-01-18
Publication date: 2021-12-31
Anticipated expiration: 2038-01-18
Also published as: CN110051211A

Abstract

The invention provides a cooking utensil and a steam rice cooker, which comprises a cooker body and a cooker cover, wherein the cooker cover covers the opening of the cooker body, and is characterized in that: be equipped with on the pot cover to the internal inlet channel who lets in steam of pot and with the internal steam exhaust air outlet channel of pot, the pot body is including interior pot and the outer pot that keeps warm, interior pot and outer pot between have the clearance, the inner space and this clearance intercommunication of interior pot, inlet channel are towards the inner space setting of interior pot and are let in steam. The steam is guided in and out, the steam heating effect is good, and steam cooking can be realized.

Description

Cooking utensil and steam rice cooker

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a cooking utensil and a steam rice cooker.

Background

The existing rice cooker realizes the functions of cooking rice and cooking porridge, and generally adopts the external heating of an inner container, such as bottom heating (a heating plate and electromagnetic heating) or peripheral heating (IH electromagnetic heating), so that the inner container absorbs heat and transmits the heat to water and rice in the inner container until the rice is cooked. The heating parts of the heating mode are concentrated at the contact positions of the inner container and the rice, so that the rice in different areas in the inner container is heated unevenly when being heated, the bottom is heated more than the top, the periphery of the inner container is heated more than the center of the inner container, and the taste of the rice is finally influenced. In the prior art, a structure for introducing steam into a rice cooker exists, but the heating effect is poor, the structure is mostly used for moisturizing and heat preservation after rice is cooked, and the cooking is difficult to be carried out by only adopting the steam.

Therefore, there is a need to provide a technical solution to overcome the above-mentioned drawbacks of the prior art.

Disclosure of Invention

The invention aims to provide a cooking appliance, which realizes the introduction and the derivation of steam, has good steam heating effect and can realize steam cooking.

The steam rice cooker is also provided, and the cooking utensil is applied to the steam rice cooker.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a cooking utensil, includes the pot body and pot cover, and the pot cover lid fits the uncovered department of the pot body, its characterized in that: be equipped with on the pot cover to the internal inlet channel who lets in steam of pot and with the internal steam exhaust air outlet channel of pot, the pot body is including interior pot and the outer pot that keeps warm, interior pot and outer pot between have the clearance, the inner space and this clearance intercommunication of interior pot, inlet channel are towards the inner space setting of interior pot and are let in steam.

The inner pot is used for filling food. The pot cover is provided with the air inlet channel and the air outlet channel, so that the steam in the pot body can be guided in and out, wherein the air inlet channel is arranged towards the inner space of the inner pot and is introduced with the steam, so that the steam is firstly in direct contact with the food to achieve the optimal heating effect. In addition, a gap is arranged between the inner pot and the outer pot, and the inner space of the inner pot is communicated with the gap, so that the steam led into the inner pot can overflow the inner pot and is led into the gap, the gap is filled with the steam, the side wall of the inner pot is also heated, and the heating effect is improved. Moreover, the outer pot with the heat preservation performance can prevent heat from being radiated outwards, the utilization rate of steam heat is improved, meanwhile, the lateral temperature of the inner pot is guaranteed not to be lost, and the cooking effect is improved.

In some embodiments of the present invention, the cover covers the outer pot, and a communication channel for communicating the inner space and the gap is formed between the inner pot and the cover. The pot cover is directly covered on the outer pot, so that the pot cover and the inner pot are directly communicated with the inner space and the communication channel of the gap.

In some embodiments of the present invention, the air inlet channel is located on a central axis of the inner pot. The distance between the entered steam and the edge of the inner pot is consistent and not deviated, the steam quantity at each position in the inner pot tends to be consistent, the local overhigh temperature is avoided, and the temperature consistency is ensured.

In some embodiments of the invention, the vapor outlet of the outlet channel is arranged around the vapor inlet of the inlet channel. Therefore, the steam injected from the steam inlet firstly contacts with the food downwards, then diffuses towards the periphery and upwards, part of the steam enters the gap, and part of the steam is discharged from the steam outlet, so that the steam forms convection in the inner pot, and the cooking effect is improved. In addition, in the process that the steam moves towards the steam outlet, part of the steam moves towards the steam inlet by bypassing the steam outlet due to inertia and disturbance of the sprayed steam flow, and finally participates in the re-convection circulation along with the entering steam, so that the heat efficiency is improved.

In some embodiments of the present invention, the steam inlet of the inlet channel and the steam outlet of the outlet channel are spaced apart by a distance of 2-30 mm. At this distance, the steam injected from the steam inlet has a significant effect on the steam at the steam outlet, and can more effectively drive part of the steam going out from the steam outlet to continue to return to the cooking appliance for re-convection circulation. When the distance is less than 2mm, on one hand, the manufacture is difficult, on the other hand, the distance between the entering steam and the discharged steam is too short, so that great turbulence is easily generated, and the entering of the steam is influenced, and when the distance is more than 30mm, the effect of continuously bringing part of the steam going out from the steam outlet back into the cooking utensil is poor.

In some embodiments of the present invention, the pot cover includes a cover body, and the cover body is provided with the air inlet channel and the air outlet channel. The air inlet channel and the air outlet channel are directly arranged on the cover body, so that the structure of the pot cover is simplified, and the pot cover and the cover body can be integrally formed.

In some embodiments of the invention, the pot cover comprises a cover body and a steam valve detachably arranged on the cover body, and the steam valve is provided with the air inlet channel and the air outlet channel. The cover body and the steam valve are combined to form the pot cover, the air inlet channel and the air outlet channel are formed through the steam valve, therefore, when the structure of the cover body is changed or the structure of the air inlet channel and the air outlet channel is changed, only one of the cover body and the steam valve is required to be changed, the other one is not required to be changed, the research and development cost is reduced, and meanwhile, the universality is increased through the steam valve. Moreover, a small part of food in the cooking process can be adhered to the air inlet channel and the air outlet channel, and the steam valve can be detached to be cleaned independently in the cleaning process, so that the problem of difficult cleaning is solved.

In some embodiments of the present invention, the steam valve is provided with a steam inlet port and a steam outlet port, the steam inlet port is communicated with the air inlet channel, the steam outlet port is communicated with the air outlet channel, and the steam outlet port is arranged around the steam inlet port. The steam valve is in butt joint with a pipeline of an external steam generating device through a steam inlet interface, and is in butt joint with a pipeline of an external steam recovery device through a steam outlet interface. Wherein, the steam discharge interface uses steam to enter the interface and encircle the arrangement for the interface has the universal joint function, in order to do benefit to the butt joint of steam valve with steam recovery unit and steam generating device's pipe joint together.

In some embodiments of the present invention, the steam valve is at least partially positioned to protrude above the cover body for use as a handle. The air inlet and outlet function and the pot cover handle function are combined into a whole, so that the structure is simplified, and the cost is reduced. In addition, when the handle is arranged, the influence of the handle on the steam valve and the external component in the butt joint space is avoided.

The following is a steam rice cooker provided by the invention.

The invention provides a steam rice cooker, which is characterized in that: including a kind of deep pot body and as above cooking utensil, a kind of deep pot body is equipped with steam generator, and steam generator communicates with inlet channel and is used for providing steam for cooking utensil.

Drawings

FIG. 1 is a schematic structural diagram of an external appearance of a cooking apparatus according to a first embodiment of the present invention;

FIG. 2 is an exploded view of a cooking apparatus according to a first embodiment of the present invention;

FIG. 3 is a schematic sectional view of a cooking apparatus according to a first embodiment of the present invention;

FIG. 4 is an exploded view of a steam valve of the cooking apparatus according to the present invention;

FIG. 5 is a schematic cross-sectional view illustrating a second embodiment of a cooking apparatus according to the present invention;

FIG. 6 is a schematic perspective view of a steam rice cooker according to the present invention;

FIG. 7 is a schematic sectional view of a steam rice cooker according to the present invention.

Reference numerals:

the cooker body 10, the gap 101, the communication channel 102, the cooker cover 20, the cover body 201, the mounting hole 202, the cooker body 30, the steam joint 301, the steam inlet pipeline 302, the cooking utensil 40, the air inlet channel 1, the steam inlet 11, the air outlet channel 2, the steam outlet 21, the inner cooker 3, the central axis X, the inner space 31, the cooker edge 32, the outer cooker 4, the steam valve 5, the upper valve body 51, the lower portion 511, the fixture block 512, the lower valve body 52, the upper portion 521, the fixture groove 522, the inlet 523, the steam inlet interface 53 and the steam outlet interface 54.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following is an embodiment of a cooking appliance provided by the present invention.

Example one

Please refer to fig. 1 to 4, which are illustrations of a cooking apparatus according to a first embodiment of the present invention.

The utility model provides a cooking utensil, includes pot body 10 and pot cover 20, and pot cover 20 lid fits the uncovered department of pot body 10, is equipped with on the pot cover 20 to letting in the pot body 10 the inlet channel 1 of steam and with the interior steam exhaust outlet channel 2 of pot body 10, pot body 10 is including interior pot 3 and heat preservation outer pot 4, clearance 101 has between interior pot 3 and the outer pot 4, the inner space 31 and this clearance 101 intercommunication of interior pot 3, inlet channel 1 sets up and lets in steam towards the inner space 31 of interior pot 3.

The inner pot 3 is used for filling food. Referring to fig. 3, in the present embodiment, an air inlet channel 1 and an air outlet channel 2 are disposed on the pot cover 20, so as to introduce and discharge steam in the pot body 10. Wherein the air inlet channel 1 is arranged towards the inner space 31 of the inner pot 3 and is filled with steam, so that the steam is firstly directly contacted with food, thereby achieving the best heating effect.

In addition, a gap 101 is arranged between the inner pot 3 and the outer pot 4, the inner space 31 of the inner pot 3 is communicated with the gap 101, so that the steam introduced into the inner pot 3 overflows the inner pot 3 and enters the gap 101, the gap 101 is filled with the steam, the side wall of the inner pot 3 is also heated, and the heating effect is improved. Moreover, the outer pot 4 with the heat preservation performance can prevent heat from being radiated outwards, the utilization rate of steam heat is improved, meanwhile, the lateral temperature of the inner pot 3 is guaranteed not to be lost, and the cooking effect is improved.

The width of the gap 101 is preferably 2-50mm, and the heating effect is better at the size. When the gap 101 is too small, the condensed water drops on the lid 20 fill the gap 101 too much, thereby greatly reducing the amount of steam in the gap 101 and affecting the heating effect. When the gap 101 is too large, the whole cooking utensil has large volume and low space utilization rate, and when the gap is larger than 50mm, the thickness of steam is enough, the steam amount required by the lateral heating effect tends to be saturated, and the influence of continuously increasing the steam on the improvement of the heating effect is small.

Preferably, the lid 20 covers the outer pot 4, and a communication channel 102 for communicating the inner space 31 and the gap 101 is formed between the inner pot 3 and the lid 20. In the embodiment, the pot cover 20 is directly covered on the outer pot 4, so that the communicating channel 102 for communicating the inner space 31 with the gap 101 is directly formed between the pot cover 20 and the inner pot 3.

The structure of the pot cover 20 covering the outer pot 4 in the embodiment has the following conditions: firstly, the part of the pot cover 20 which is positioned in the vertical direction of the inner pot 3 is positioned above the inner pot 3, so that the communication channel 102 is formed between the pot cover 20 and the inner pot 3; secondly, the middle position of the pot cover 20 is downwards concavely arranged into the inner pot 3, and the pot cover 20 is upwards concavely arranged at the position of the pot edge 32 of the inner pot 3 and is positioned above the pot edge 32, so that the communication channel 102 is formed between the pot cover 20 and the inner pot 3. The covering position of the cover edge of the pot cover 20 and the outer pot 4 can be lower than the pot edge 32 of the inner pot 3 and can also be higher than the pot edge 32 of the inner pot 3.

Better, inlet channel 1 is located the axis X of interior pot 3, makes steam spout the intermediate position of pot 3 in, guarantees that the steam distance of entering is unanimous and not skew apart from 3 marginal distances of interior pot, makes in 3 steam volume everywhere unanimous, avoids local high temperature to guarantee the uniformity of temperature, improve the culinary art effect.

Wherein, the steam is sprayed into the inner pot 3 from the steam inlet 11 of the air inlet channel 1, and the steam is discharged from the steam outlet 21 of the air outlet channel 2. Preferably, the steam outlet 21 is disposed around the steam inlet 11, so that the steam injected from the steam inlet 11 contacts the food downward, spreads toward the periphery, and then spreads upward, wherein a portion of the steam spread upward is discharged from the steam outlet 21, thereby allowing the steam to form convection in the inner pot 3, sufficiently replacing the old steam in the inner pot 3 with the newly injected new steam, and thus enhancing the heating effect. Part of the steam diffused upwards enters the gap 101 between the inner pot 3 and the outer pot 4, so that the side wall of the inner pot 3 is heated, and the heating effect is further improved.

It is assumed that the steam outlet is not arranged around the steam inlet, such as the steam outlet is arranged only on one side of the steam inlet. Because the other side is not provided with the steam outlet, the mobility of the steam on the side is poor, so that the steam sprayed from the steam inlet moves towards the side with the steam outlet preferentially, the steam in the inner pot cannot be updated integrally in time, the temperature of one side with the steam outlet is higher, and the temperature of the other side is lower.

The steam is in convection, with the inner steam near the middle dissipating less heat than the outer steam. In the process that the steam moves towards the steam outlet 21, part of the steam moves towards the steam inlet 11 by bypassing the steam outlet 21 due to inertia and disturbance of the sprayed steam flow, and finally participates in the re-convection circulation along with the entering steam, and the steam brought into the re-circulation is generally inner steam, so that the heat efficiency is improved.

Preferably, the steam inlet opening 11 and the steam outlet opening 21 are spaced apart by a distance of 2-30mm, it being understood that this distance is the closest distance between the edges of the steam inlet opening and the steam outlet opening. At this distance, the steam injected from the steam inlet 11 has a significant effect on the steam at the steam outlet 21, and can more effectively carry part of the steam about to exit from the steam outlet 21 back to the cooking appliance for re-convection circulation. The specific distance is determined according to design requirements, for example, the distance can be increased when the speed of injected steam is high during design, and otherwise, the distance is selected to be small. When the distance is less than 2mm, the steam inlet 11 and the steam outlet 21 are too close to each other, which makes the steam difficult to manufacture on the one hand, and on the other hand, the distance between the entering steam and the discharging steam is too short, which easily generates a turbulent flow affecting the steam greatly and affects the normal entering of the steam, and when the distance is more than 30mm, because the cooking space is limited, the steam speed is limited, and the effect of bringing the steam outside the 30mm distance back to carry out convection again is poor.

Preferably, as shown in fig. 2 and 3, the pot lid 20 includes a lid body 201 and a steam valve 5 detachably disposed on the lid body 201, and the steam valve 5 is provided with the air inlet channel 1 and the air outlet channel 2.

In this embodiment, the lid body 201 and the steam valve 5 are combined to form the lid 20, and the inlet passage 1 and the outlet passage 2 are formed by the steam valve 5. Through setting up steam valve 5 for same steam valve 5 is adaptable different pot covers 20, has increased the commonality. Therefore, when the structure of the cover body 201 is changed or the structures of the air inlet channel 1 and the air outlet channel 2 are changed, only one of the cover body 201 and the steam valve 5 is required to be changed, and the other is not required to be changed, so that the research and development cost is reduced.

In addition, in the cooking process, steam bubbles can be generated along with the boiling of water, the steam bubbles carry a small part of food to move to the steam valve 5, and the steam bubbles can be broken when contacting the steam valve 5, so that the food carried by the steam bubbles is adhered to the steam inlet valve 5, and part of the food also enters the air outlet channel 2; in case of stopping the steam injection, since the temperature is still too high, it will still keep boiling for a while, and thus some food will enter the air intake passage 1, so that there is a problem that the washing is difficult. The steam valve 5 is designed to be detached from the cover body 201, so that the detached steam valve 5 can be cleaned independently in the cleaning process, and the problem of difficulty in cleaning is solved.

The steam valve 5 can be detachably mounted on the cover body 201 through a screw connection, a snap connection, or a screw connection, and the following detachable structure preferred in the present embodiment will be described below.

Referring to fig. 2, the cover body 201 forms a mounting hole 202 for mounting the steam valve 5, the steam valve 5 includes an upper valve body 51 and a lower valve body 52, the mounting hole 202 is limited between the upper valve body 51 and the lower valve body 52, for example, as shown in fig. 3, the cross section of the lower portion 511 of the upper valve body 51 becomes smaller and enters the mounting hole 202, the cross section 521 of the upper portion of the lower valve body 52 becomes smaller and enters the mounting hole 202 and then is sleeved on the lower portion 511 of the upper valve body 51, wherein the constricted portion formed by the reduced cross section between the upper valve body 51 and the lower valve body 52 is used for limiting the cover body 201.

Specifically, as shown in fig. 4, a latch 512 is formed on an outer surface of the upper portion 511 and a latch 522 is formed on an inner surface of the upper portion 521, and the latch 522 has an inlet 523 passing through an upper end of the upper portion 521. During installation, the upper valve body 51 and the lower valve body 52 are buckled, and the specific process is that the fixture block 512 enters from the inlet 523 and then rotates, so that the fixture block 512 slides into the clamping groove 522, and the buckling of the upper valve body 51 and the lower valve body 52 is completed. When the device is disassembled, the operation is reversed. In addition, the upper valve body 51 and the lower valve body 52 may be detachably mounted by other fastening structures, screw connections, magnetic attraction connections, or the like.

Wherein, the detachable structure of valve body 51 and lower valve body 52 on this embodiment, dismantles steam valve 5 the back, goes up valve body 51 and the separation of lower valve body 52, can also wash alone last valve body 51 and lower valve body 52 for it is more convenient to wash.

Since the steam of the cooking appliance is externally introduced, the steam is generally supplied to the cooking appliance through the steam generating device; the derived steam can be discharged through a pipeline connected with the air outlet channel 2 or recovered, and in order to improve the user experience, the scheme of steam recovery is preferably adopted.

Referring to fig. 3 and 4, the steam valve 5 is provided with a steam inlet port 53 and a steam outlet port 54, the steam inlet port 53 is communicated with the air inlet channel 1, and the steam outlet port 54 is communicated with the air outlet channel 2. The steam valve 5 is connected to the external steam generator via a steam inlet connection 53, and the steam outlet connection 54 is connected to the external steam recovery device via a pipe.

Wherein the steam outlet connection 54 is arranged around the steam inlet connection 53, so that the connection has a universal joint function, which facilitates the connection of the steam valve 5 together with the pipe connections of the steam recovery device and the steam generating device.

The steam valve 5 is at least partially protruded above the lid body 201 and used as a handle. The air inlet and outlet function and the handle function are combined into a whole, the structure is simplified, and the cost is reduced. In addition, the spatial influence of the handle on the connection of the steam valve 5 and external components (the steam recovery device and the pipes of the steam generating device, such as the steam connection 301 mentioned in the steam cooker below) is avoided when the handle is provided. The shape of the steam valve 5 as a handle part can be referred to the existing design, for example, having an arc surface concave inwards to fit with fingers.

Example two

Please refer to fig. 5, which is a diagram illustrating a cooking apparatus according to a second embodiment of the present invention. The difference from the first embodiment is that the positions where the inlet channels 1 and the outlet channels 2 are formed are different, specifically as follows.

The pot cover 20 of the present embodiment includes a cover body 201, and the cover body 201 is directly provided with the air inlet channel 1 and the air outlet channel 2. The cover body 201 is directly provided with the air inlet channel 1 and the air outlet channel 2, so that the structure of the pot cover 20 is simplified, and the cover body 201 and the pot cover can be integrally formed. This configuration is suitable for a pot lid 20 that is directly molded from food grade plastic.

To simplify the process, the inlet passage 1 and the outlet passage 2 directly penetrate the cap body 201 in the vertical direction.

The following is an embodiment of a steam rice cooker provided by the present invention.

Please refer to fig. 6-7, which are diagrams illustrating a steam rice cooker according to an embodiment of the present invention.

Referring to fig. 6, a steam rice cooker comprises a cooker body 30 and a cooking utensil 40 as described in the above embodiments, the cooker body 30 is provided with a steam generating device (the present embodiment is an internal structure, not shown in the figure) which is communicated with an air inlet channel 1 for supplying steam to the cooking utensil 40.

Specifically, the pot body 30 is provided with a steam joint 301 connected with the steam generating device, and the pot body 30 is butted with the steam valve 5 through the steam joint 301. Referring to fig. 7, the steam joint 301 has a steam inlet pipe 302 inserted into the steam inlet port 53 of the steam valve 5 to enter the air inlet passage 1.

Wherein, a steam recovery device (the embodiment is an internal structure, which is not shown in the figures) can be further disposed in the pot body 30, and the steam joint 301 further includes a steam recovery joint (not shown in the figures), and the steam recovery joint is in butt joint with the steam outlet port 54.

When the steam rice cooker is used, firstly, food is filled in the inner pot 3, then the pot cover 20 is covered, the pot body 10 and the pot cover 20 move to the cooker body 30, the steam valve 5 is in butt joint with the steam joint 301 of the cooker body 30, then a cooking mode such as cooking or cooking porridge is selected, and then cooking can be carried out. When the cooking is finished, the steam joint 301 is directly separated from the steam valve 5, and the pot body 10 and the pot cover 20 are taken out. When in cleaning, the inner pot 3, the outer pot 4 and the pot cover 20 are directly cleaned, and if the steam valve 5 is dirty, the steam valve 5 can be detached for cleaning.

The structural features of the above embodiments can be combined with each other to obtain other embodiments and new embodiments without departing from the spirit of the present invention, and shall also belong to the protection of the present invention.

Unless otherwise expressly stated or limited herein, the terms "central," "lateral," "thickness," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," "radial," "circumferential," and the like, as indicating an orientation or positional relationship are based on the orientation or positional relationship as shown in the figures, and are therefore not to be construed as limiting the invention as it is understood to facilitate the description of the invention and to simplify the description, but to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation.

Furthermore, the terms "first," "second," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. If there are "a plurality," then the meaning is two or more unless the context clearly dictates otherwise.

Unless otherwise expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are used broadly and encompass, for example, fixed and removable connections or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless the context clearly dictates otherwise, if there is a description of a first feature "on" or "under" a second feature, it is to be understood that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a cooking utensil, includes the pot body and pot cover, and the pot cover lid fits the uncovered department of the pot body, its characterized in that: the pot cover is provided with an air inlet channel for introducing steam into the pot body and an air outlet channel for discharging the steam in the pot body, the pot body comprises an inner pot and a heat-preservation outer pot, a gap is formed between the inner pot and the outer pot, the inner space of the inner pot is communicated with the gap, and the air inlet channel is arranged towards the inner space of the inner pot and introduces the steam;

the pot cover covers the outer pot, and a communication channel for communicating the inner space and the gap is formed between the inner pot and the pot cover.

2. A cooking appliance as claimed in claim 1, wherein: the air inlet channel is positioned on the central axis of the inner pot.

3. A cooking appliance as claimed in claim 1, wherein: the vapor outlet port of the outlet passage is arranged around the vapor inlet port of the inlet passage.

4. A cooking appliance as claimed in claim 1, wherein: the distance between the steam inlet of the air inlet channel and the steam outlet of the air outlet channel is 2-30 mm.

5. A cooking appliance as claimed in claim 1, wherein: the pot cover comprises a cover body, and the cover body is provided with the air inlet channel and the air outlet channel.

6. A cooking appliance as claimed in claim 1, wherein: the pot cover comprises a cover body and a steam valve detachably arranged on the cover body, and the steam valve is provided with the air inlet channel and the air outlet channel.

7. The cooking appliance of claim 6, wherein: the steam valve is provided with a steam inlet interface and a steam outlet interface, the steam inlet interface is communicated with the air inlet channel, the steam outlet interface is communicated with the air outlet channel, and the steam outlet interface is arranged in a surrounding mode by taking the steam inlet interface as the center.

8. The cooking appliance of claim 6, wherein: the steam valve at least partially protrudes above the pot cover body and is used as a handle.

9. A steam rice cooker is characterized in that: comprising a pot body and a cooking appliance according to any one of claims 1 to 8, the pot body being provided with steam generating means communicating with the air inlet channel for providing steam to the cooking appliance.