Steam valve, pot cover and cooking utensil

Abstract

The steam valve comprises a valve body and a sealing piece, a steam channel and an air blowing channel are formed in the valve body, the valve body is defined to be provided with an up-down direction, at least part of the steam channel extends in the up-down direction, and at least part of the air blowing channel extends in the up-down direction. At least part of the air blowing channel is overlapped with the projection of the steam channel in the vertical direction, and air outlet holes communicated with the steam channel are formed in the overlapped area of the air blowing channel. The sealing piece is movably arranged in the air blowing channel so as to open or close the air outlet hole. According to the technical scheme, steam is prevented from flowing backwards into the air blowing channel, stable operation of the steam valve is guaranteed, and the structural stability and reliability of the steam valve are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooking utensils, in particular to a steam valve, a pot cover and a cooking utensil. Background Art

[0002] In the related art, a cooking utensil can usually be provided with a steam valve on the lid, and the steam valve is used to control the discharge of water vapor generated by heating and cooking the ingredients in the pot, so that the cooking utensil can have a better cooking effect when cooking rice, whole grains and other ingredients.

[0003] In the existing steam valve, a steam channel and an air blast channel separated from each other can be set. The air outlet hole in the valve body connecting the steam channel and the air blast channel can be used to allow low-temperature fluid to enter the steam channel through the air blast channel to cool the water vapor, thereby preventing high-temperature and high-humidity water vapor from being directly discharged and affecting the temperature and humidity of the indoor environment. At the same time, it is beneficial to prevent users from being burned by high-temperature water vapor when approaching cooking utensils, thereby reducing the impact on the environment and users.

[0004] However, when water vapor enters the steam channel and flows, some of the water vapor tends to move toward the air outlet, making it easy for the water vapor to enter the air blast channel and condense in the air blast channel to form condensed water that accumulates in the air blast channel. This causes the components in the air blast channel to be easily damaged by moisture due to the humid environment in the air blast channel, thereby affecting the normal operation of the cooking appliance and reducing the structural stability and reliability of the steam valve. Utility Model Content

[0005] The main purpose of the utility model is to provide a steam valve, a pot cover and a cooking utensil, which are intended to prevent steam from flowing back into an air blast channel, ensure the stable operation of the steam valve, and improve the structural stability and reliability of the steam valve.

[0006] To achieve the above-mentioned purpose, the steam valve proposed in the utility model includes a valve body and a sealing member, a steam channel and an air blast channel are formed in the valve body, and the valve body is defined to have an up-down direction, the steam channel at least partially extends along the up-down direction, at least part of the air blast channel overlaps with the projection of the steam channel in the up-down direction, and the air blast channel is provided with an air outlet hole connected to the steam channel in the overlapping area; the sealing member is movably arranged in the air blast channel to open or close the air outlet hole.

[0007] Optionally, the steam channel includes a steam inlet channel, a flow channel and a steam exhaust channel connected in sequence, the valve body is defined to have a horizontal direction, and the steam inlet channel extends in the horizontal direction. The steam inlet channel and at least part of the blast channel are overlapped in the up-down direction, the air outlet is connected to the steam inlet channel, and the steam inlet channel is provided with a steam inlet.

[0008] Optionally, at least a portion of the blast channel extends in the up-down direction, and is arranged side by side in the horizontal direction with a portion of the steam channel extending in the up-down direction.

[0009] Optionally, the exhaust passage extends in a horizontal direction, and the extension direction of the exhaust passage is opposite to the extension direction of the steam inlet passage, and the steam inlet passage, the flow passage and the exhaust passage are connected in a "Z" shape.

[0010] Optionally, the steam inlet and the air outlet are arranged opposite to each other.

[0011] Optionally, the projection of the air outlet on the steam inlet channel in the up-down direction overlaps with the steam inlet. Alternatively, the projection of the air outlet on the steam inlet channel in the up-down direction is staggered with the steam inlet, and the air outlet is arranged between the steam inlet and the flow channel.

[0012] Optionally, the steam exhaust channel is provided with a steam outlet, and the steam exhaust channel is extended in an up-down direction or in a horizontal direction.

[0013] Optionally, the steam valve further comprises a driving mechanism, wherein the driving mechanism is connected to the sealing member and drives the sealing member to move so as to open or close the air outlet.

[0014] Optionally, the sealing member includes a connecting sleeve and a transmission screw, wherein the connecting sleeve is movably disposed in the blast channel and is used to open or close the air outlet, and the inner wall of the connecting sleeve is provided with a screw thread; the transmission screw is connected to the driving mechanism, and a part of the structure of the transmission screw is rotatably disposed in the connecting sleeve and is cooperatively connected with the inner wall of the connecting sleeve. The driving mechanism drives the transmission screw to rotate so that the transmission screw drives the connecting sleeve to move.

[0015] Optionally, the driving mechanism includes a first stepper motor and a transmission member, the transmission member connects the first stepper motor and the transmission screw, and the first stepper motor drives the transmission member to drive the transmission screw to rotate.

[0016] Optionally, the transmission member includes a driving gear and a driven gear, the driving gear is connected to the first stepper motor, the driven gear is sleeved on the transmission screw, and the driving gear is meshingly connected with the driven gear.

[0017] Optionally, a limit seat is further provided in the valve body, the limit seat is connected to the inner wall of the valve body, and the limit seat is provided with a limit hole relative to the air outlet. The transmission screw rod is rotatably passed through the limit hole, and the limit seat is used to limit the seal.

[0018] Optionally, the limiting seat forms a receiving platform around the limiting hole, and the outer periphery of the transmission screw is provided with a supporting edge, and the supporting edge abuts against the receiving platform.

[0019] Optionally, a sealing gasket is embedded in the surface of the receiving platform, the sealing gasket is arranged to surround the limiting hole, and the supporting edge abuts against the sealing gasket.

[0020] Optionally, an elastic plug body is provided at one end of the connecting sleeve facing away from the transmission screw rod, and the elastic plug body is used to abut against the inner wall of the air blast channel and cover the air outlet.

[0021] Optionally, a first position detection device is provided on the inner wall of the air blast channel, and the first position detection device is used to detect the moving position of the sealing member.

[0022] Optionally, the driving mechanism is provided with a guiding slope, and the end of the sealing member facing away from the air outlet is in contact with the guiding slope and is driven by the guiding slope to open or close the air outlet.

[0023] Optionally, the driving mechanism includes a translation slider and a driving device, the guide slope is provided on one side of the translation slider, the translation slider is movably abutted against the sealing member, and the moving direction of the translation slider is set at an angle to the moving direction of the sealing member; the driving device is connected to the translation slider and is used to drive the translation slider to move.

[0024] Optionally, the translation slider includes a connecting section and a bending section, the connecting section is connected to the driving device; the bending section is connected to the connecting section and is movably connected to the sealing member, and a portion of the bending section is inclined to form the guiding slope.

[0025] Optionally, the distance between the highest point of the guiding slope along the height direction and the lowest point of the guiding slope along the height direction is defined as H, 3mm≤H≤25mm.

[0026] Optionally, the valve body is provided with a second position detection device, and the second position detection device is used to detect the moving position of the translation slider. And / or, a transmission rack is provided on one side of the connecting section, and the driving device includes a second stepping motor and a transmission gear, the transmission gear is connected to the second stepping motor, the transmission gear is meshed with the transmission rack, and the second stepping motor drives the transmission gear to rotate, so that the transmission gear drives the translation slider to move.

[0027] Optionally, the deformation amount of the sealing member abutting against the inner wall of the air blowing channel is defined as W, and 0.3 mm ≤ W ≤ 1 mm.

[0028] Optionally, the steam channel is provided with a spoiler rib, and the spoiler rib is provided on the steam flow path of the steam channel. And / or, the steam valve is also provided with a temperature detection mechanism, and the temperature detection mechanism is at least partially provided in the steam channel, and the temperature detection mechanism is used to detect the steam temperature in the steam channel. And / or, the valve body is also provided with an air inlet hole connected to the blast channel, and the area of ​​the air inlet hole is defined as A, A≥5mm 2 . And / or, the channel length of the blast channel is defined as L, 5mm≤L≤30mm.

[0029] The utility model further provides a pot cover, which comprises a cover body and a steam valve. The steam valve is the steam valve described above and is arranged in the cover body.

[0030] Optionally, an air blast channel and a steam channel are provided in the steam valve, and the pot cover also includes an air blast device, which is provided on one side of the steam valve and connected to the air blast channel to drive air flow through the air blast channel and the steam channel.

[0031] The utility model also provides a cooking utensil, which comprises a pot body and a pot cover. The pot cover is the pot cover mentioned above and is used to cover or open the pot body.

[0032] The technical solution of the utility model can make the water vapor entering the steam channel have a certain tendency to flow and spread from bottom to top by arranging the steam channel and the blast channel in the valve body, and making the steam channel at least partially extend in the up-down direction. At this time, by making at least part of the blast channel overlap with the steam channel in the up-down direction, and arranging the air outlet at the overlapping part of the channel area, the low-temperature airflow in the blast channel can enter the steam channel from top to bottom to cool the water vapor, so that the low-temperature airflow can quickly intersect with the water vapor below the area where the steam channel and the blast channel overlap, which is conducive to better reducing the distance between the air outlet and the steam inlet of the steam channel, enhancing the cooling and cooling of the water vapor by the steam valve, and realizing a faster and more reliable cooling and cooling effect of the steam valve. The layout method of overlapping at least part of the blast channel with the steam channel in the up-down direction is also conducive to the overall flattening design of the steam valve, which is conducive to reducing the overall thickness of the pot cover, realizing the miniaturization design of the cooking utensil, and improving the practicality of the steam valve. By providing a movable sealing member in the blast channel, the sealing member can be used to move in the blast channel to close or open the air outlet, which is beneficial to effectively preventing water vapor or foam from entering the steam channel during the cooking process under the insulating effect of the sealing member. At the same time, it can effectively prevent water vapor from flowing back into the blast channel when the low-temperature airflow is turned on and off in the blast channel to form condensed water and accumulate in the blast channel, which is beneficial to preventing components in the blast channel from being damaged by moisture, reducing the maintenance and overhaul times of the steam valve, ensuring the stable operation of the steam valve, and improving the overall structural stability and reliability of the steam valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0034] Figure 1 A top view of an embodiment of a steam valve of the utility model;

[0035] Figure 2 for Figure 1 A cross-sectional view of an embodiment at AA;

[0036] Figure 3 for Figure 2 Flow diagram of medium and high temperature water vapor and low temperature air flow entering the steam channel;

[0037] Figure 4 for Figure 1 A cross-sectional view of another embodiment at AA;

[0038] Figure 5 for Figure 4 A partial enlarged view of point C in the middle;

[0039] Figure 6 for Figure 1 Cross-section at the middle BB;

[0040] Figure 7 A top view of another embodiment of the steam valve of the utility model;

[0041] Figure 8 for Figure 7 A partial enlarged view of point E in the middle;

[0042] Fig. 9 for Figure 7 A cross-sectional view of an embodiment at FF;

[0043] Fig.10 for Fig. 9 A partial enlarged view of the G in the middle;

[0044] Fig.11 for Figure 7 A cross-sectional view of an embodiment at FF;

[0045] Fig.12 for Fig.11 A partial enlarged view of the H in the middle;

[0046] Fig.13 A top view of an embodiment of a pot cover of the utility model;

[0047] Fig.14 for Fig.13 A cross-sectional view of another embodiment at II;

[0048] Fig.15 for Fig.14 A partial enlarged view of an embodiment at J in the middle;

[0049] Fig.16 for Fig.14 A partial enlarged view of an embodiment is shown in J.

[0050] Description of Figure Numbers:

[0051]

[0052]

[0053] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0054] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0055] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0056] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text is to include three parallel solutions. Taking "A and / or B as an example", it includes solution A, or solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0058] In the existing steam valve, a steam channel and an air blast channel separated from each other can be set. The air outlet hole connecting the steam channel and the air blast channel in the valve body can be used to allow low-temperature fluid to enter the steam channel through the air blast channel to cool the water vapor, thereby preventing high-temperature and high-humidity water vapor from being directly discharged and affecting the temperature and humidity of the indoor environment. At the same time, it is helpful to prevent users from being burned by high-temperature water vapor when approaching cooking utensils, thereby reducing the impact on the environment and users. However, when water vapor enters the steam channel and flows, part of the water vapor is likely to move toward the air outlet hole, making it easy for the water vapor to enter the air blast channel and condense in the air blast channel to form condensed water that accumulates in the air blast channel, causing the components in the air blast channel to be easily damaged by moisture due to the humid environment in the air blast channel, affecting the normal operation of the cooking utensils, and reducing the structural stability and reliability of the steam valve. In view of the above problems, the utility model proposes a steam valve 100.

[0059] Reference Figures 1 to 16 In an embodiment of the utility model, the steam valve 100 includes a valve body 10 and a sealing member 30, wherein the valve body 10 is defined to have an up-down direction, the steam channel 11 at least partially extends along the up-down direction, at least part of the air blast channel 13 overlaps with the projection of the steam channel 11 in the up-down direction, and the air blast channel 13 is provided with an air outlet 131 connected to the steam channel 11 in the overlapping area; the sealing member 30 is movably arranged in the air blast channel 13 to open or close the air outlet 131.

[0060] It is understandable that the cooking utensil may be an electric rice cooker, a pressure cooker or a steamer, etc. The cooking utensil may generally include a pot body for heating and cooking the food and a pot cover 1000 for covering the pot body to form a closed cooking utensil, so that the cooking utensil can stably and reliably complete the cooking operation on the food and meet the user's use needs. In the process of heating the food in the pot body, when the water in the food is heated to a certain temperature, water vapor will be generated and filled in the pot body, so that the air pressure in the pot body gradually increases with the increase of water vapor. At this time, when the cooking utensil is a pressure cooker, the effect of pressurized cooking can be achieved by increasing the pressure in the pot. A steam valve 100 can usually be provided on the pot cover 1000, and the steam inlet 1111 of the steam valve 100 can be provided on the side of the pot cover 1000 facing the pot body, or the steam inlet 1111 can be provided on a sealing pressure plate of the pot cover 1000 that seals the pot mouth of the pot body, and the sealing pressure plate is used to cover the open part of the steam valve 100 connected to the steam channel 11, so that water vapor can enter the steam channel 11 of the steam valve 100 through the steam inlet 1111; then, by providing a steam outlet 1151 connected to the steam channel 11 of the steam valve 100 on the surface of the pot cover 1000, or making the steam outlet 1151 of the steam valve 100 exposed on the surface of the pot cover 1000, the steam valve 100 can be used to drain and discharge the water vapor generated in the pot body, so that the cooking appliance can better maintain the air pressure in the pot body within the required regulated air pressure range for cooking, thereby ensuring the stable operation of the cooking appliance.

[0061] In the present application, by arranging a steam channel 11 and an air blast channel 13 in the valve body 10 of the steam valve 100, the steam channel 11 may have at least a portion of the channel extending in the up-down direction, so that after the water vapor enters the steam channel 11 through the steam inlet 1111 on the steam valve 100, it may spread from bottom to top and be discharged from the steam outlet 1151 into the environment where the cooking appliance is located; by arranging at least a portion of the air blast channel 13 to overlap with the projection of the steam channel 11 in the up-down direction, the air blast channel 13 may be provided with an air outlet 131 in the overlapping channel area, so that the air outlet 131 is connected to the steam channel 11. At this time, by introducing low-temperature air at a relatively low temperature into the air blast channel 13, Flow can make the low-temperature air flow flow from the blast channel 13 through the air outlet 131 into the steam channel 11 from top to bottom, so that the low-temperature air flow can meet and mix with the high-temperature water vapor entering the steam channel 11 from the pot body 10 when entering the steam channel 11, so as to realize the cooling of the water vapor by the steam valve 100, and can make the low-temperature air flow flowing into the steam channel 11 from top to bottom can more quickly meet and exchange heat with the water vapor entering the steam channel 11 from bottom to top under the channel area where the steam channel 11 and the blast channel 13 overlap, effectively reducing the distance between the air outlet 131 and the steam inlet 113 on the steam channel 11, which is conducive to achieving the effect of cooling the water vapor more quickly. In turn, the temperature of the water vapor discharged through the steam outlet 1151 of the steam valve 100 can be reduced, or most of the water vapor can be cooled and condensed in the steam valve 100, so that the amount of water vapor discharged by the steam valve 100 is reduced, and low-temperature steam discharge or trace steam discharge of the cooking appliance is achieved, which is conducive to better reducing the impact of high-temperature and high-humidity water vapor discharged by the cooking appliance on the indoor environment and users, and improving the practicality and reliability of the steam valve 100. At the same time, by making at least part of the blast channel 13 overlap with the steam channel 11 in the vertical direction, the overall structure of the steam valve 100 can be made more compact, and the flat design of the steam valve 100 can be achieved, which is conducive to better reducing the space occupied by the steam valve 100 on the pot cover 1000, reducing the overall thickness of the pot cover 1000, and improving the practicality of the steam valve 100.

[0062] By arranging a seal 30 in the blast channel 13, the seal 30 may be a baffle or block structure whose size is larger than that of the air outlet 131, and the seal 30 may be moved near the air outlet 131 to realize opening or closing of the air outlet 131, so that when the steam valve 100 needs to cool the water vapor introduced therein, the seal 30 may be moved to one side of the air outlet 131 to avoid opening the air outlet 131, so that the cold air flow in the blast channel 13 may pass through the air outlet 131 into the steam channel 11 to realize the cooling effect of the steam valve 100 on the water vapor; and when the steam valve 100 does not need to perform the water vapor cooling operation, the seal 30 may be moved to the air outlet 131 to cover and close the air outlet 131, so that the blast channel 11 and the steam channel 13 are separated from each other under the action of the seal 131, so as to prevent the water vapor entering the steam channel 11 from overflowing into the blast channel 13, thereby ensuring the stable operation of the steam valve 100. Therefore, during the cooking process, the seal 30 can first be made to stably close the air outlet hole 131 to separate the blast channel 13 and the steam channel 11, and then a low-temperature airflow can be stably introduced into the blast channel 13 before the seal 30 is moved to open the air outlet hole 131, so that the low-temperature airflow can stably enter the steam channel 11 to cool the water vapor. At this time, the low-temperature airflow continuously flows out of the air outlet hole 131 to discharge the water vapor at the air outlet hole 131 that has a tendency to enter the blast channel 13, which can effectively prevent the water vapor from flowing back into the blast channel 13. When it is necessary to stop the cooling and condensation of water vapor, the low-temperature airflow can be maintained to flow in the blast channel 13 and the steam channel 11, and the seal 30 can be moved to close the air outlet 131. After the seal 30 stably closes the air outlet 131 to separate the blast channel 13 and the steam channel 11, the low-temperature airflow into the blast channel 13 is stopped, and the air outlet 131 is then opened or closed by moving the seal 30. This can effectively prevent water vapor from flowing back into the blast channel 13 when the low-temperature airflow is turned on and off in the blast channel 13 to form condensed water and accumulate in the blast channel 13, which is beneficial to avoiding damage to components in the blast channel 13 due to moisture, reducing the maintenance and overhaul times of the steam valve 100, ensuring the stable operation of the steam valve 100, and improving the overall structural stability and reliability of the steam valve 100.

[0063] In addition, when the steam valve 100 is applied to cooking appliances such as electric rice cookers, when the cooking appliance is in operation and the food in the pot body is boiling, the low-temperature airflow introduced through the blast channel 13 can enter the steam channel 11 and flow back into the pot body through the steam inlet 1111 on the steam valve 100 or the pot cover 1000 to cool down and break the foam generated in the pot body, so that the cooking appliance can achieve a better cooking effect. At this time, after the bubble breaking process is completed, the seal 30 can be moved to close the air outlet 131 and then the low-temperature airflow can be stopped from entering the blast channel 13, which can effectively prevent the boiling rice soup that has entered the steam channel 11 from flowing back into the blast channel 13, further prevent the accumulation of liquid in the blast channel 13, ensure the normal operation of each component in the blast channel 13, and further improve the structural stability and reliability of the steam valve 100.

[0064] The technical solution of the utility model is to arrange a steam channel 11 and an air blast channel 13 in the valve body 10, and to extend the steam channel 11 at least partially in the up-down direction, so that the water vapor entering the steam channel 11 has a certain tendency to flow and spread from bottom to top. At this time, by making at least part of the air blast channel 13 overlap with the steam channel 11 in the up-down direction, and arranging an air outlet 131 in the overlapping part of the channel area, the low-temperature airflow in the air blast channel 13 can enter the steam channel 11 from top to bottom to cool the water vapor, so that the low-temperature airflow can quickly and relatively intersect with the water vapor below the area where the steam channel 11 and the air blast channel 13 overlap, which is conducive to better reducing the distance between the air outlet 131 and the steam inlet 113 of the steam channel 11, enhancing the cooling of the water vapor by the steam valve 100, and achieving a faster and more reliable cooling effect of the steam valve 100. The layout mode of overlapping at least part of the blast channel 13 with the steam channel 11 in the vertical direction is also conducive to the overall flattening design of the steam valve 100, which is conducive to reducing the overall thickness of the pot cover 1000, realizing the miniaturization design of the cooking utensil, and improving the practicality of the steam valve 100. By arranging a movable seal 30 in the blast channel 13, the seal 30 can be used to move in the blast channel 13 to close or open the air outlet 131, which is conducive to effectively preventing the water vapor or foam entering the steam channel 11 from entering the blast channel 13 during the cooking process under the isolation effect of the seal 131, and at the same time, it can well prevent the water vapor from flowing back into the blast channel 13 when the low-temperature airflow is turned on and off in the blast channel 13 to form condensed water and accumulate in the blast channel 13, which is conducive to preventing the components in the blast channel 13 from being damaged by moisture, reducing the maintenance and overhaul times of the steam valve 100, ensuring the stable operation of the steam valve 100, and improving the overall structural stability and reliability of the steam valve 100.

[0065] Reference Figure 2 , Figure 4 and Figure 6In one embodiment of the utility model, the steam channel 11 includes a steam inlet channel 111, a flow channel 113 and a steam exhaust channel 115 which are connected in sequence, and the valve body 10 is defined to have a horizontal direction, and the steam inlet channel 111 extends in the horizontal direction. The steam inlet channel 111 and at least part of the blast channel 13 are overlapped in the up-down direction, the air outlet 131 is connected to the steam inlet channel 111, and the steam inlet channel 111 is provided with a steam inlet 1111.

[0066] In this embodiment, the steam channel 11 can be formed by a steam inlet channel 111, a flow channel 113 and a steam exhaust channel 115 that are connected in sequence, wherein the flow channel 113 can extend in the up-down direction, and the steam inlet channel 111 can extend in the horizontal direction, and a steam inlet 1111 is provided at the steam inlet channel 111, so that the steam inlet channel 111 can adopt a relatively flat channel space design, and then when water vapor enters the steam channel 11 through the steam inlet 1111, the water vapor can be gathered in the steam inlet channel 111 and flow horizontally toward the flow channel 113. At this time, by making the blast channel 13 overlap with at least part of the steam inlet channel 111 in the up-down direction, and providing an air outlet 131 at the overlapping position of the two channels, the low-temperature airflow flowing out through the air outlet 131 can enter the steam inlet channel 111, which is beneficial to using the low-temperature airflow to quickly act on the water vapor for cooling, and further improving the cooling steam effect of the steam valve 100. In addition, the air outlet 131 exposed at the steam inlet channel 111 can also enable the low-temperature airflow to flow more conveniently through the steam inlet 1111 into the pot body, which is beneficial to using the low-temperature airflow to quickly break the foam generated in the pot body, and can also maintain a high flow rate of the low-temperature airflow to disrupt the air in the pot body, so that the stale smell released by the heated food in the pot can be well brought out of the pot body, which is beneficial to better improve the cooking effect of the cooking utensils on the food, and further improve the practicality and reliability of the cooking utensils.

[0067] Reference Figure 2 and Figure 3 In one embodiment of the utility model, at least a portion of the blast channel extends in the up-down direction, and is arranged side by side with a portion of the steam channel extending in the up-down direction in the horizontal direction.

[0068] In this embodiment, by extending at least part of the blast channel in the up-down direction, a larger circulation space can be provided in the blast channel, which facilitates the flow of a large amount of low-temperature airflow in the blast channel, and at the same time, the sealing member can have a certain activity space in the blast channel, thereby ensuring the stable operation of the steam valve. By arranging the part of the blast channel extending in the up-down direction and the part of the steam channel extending in the up-down direction side by side in the horizontal direction, the structure in the valve body can be arranged more compactly, realizing the miniaturized design of the steam valve, which is conducive to better reducing the space occupied by the steam valve on the pot cover, further realizing the overall miniaturized design of the cooking appliance, and improving the practicality and reliability of the steam valve.

[0069] Reference Figure 2 and Figure 3 In one embodiment of the present invention, the exhaust passage 115 extends in a horizontal direction, and the extension direction of the exhaust passage 115 is opposite to the extension direction of the steam inlet passage 111, and the steam inlet passage 111, the flow passage 113 and the exhaust passage 115 are connected in a "Z" shape.

[0070] In this embodiment, by making the exhaust passage 115 and the steam inlet passage 111 extend in opposite directions in the horizontal direction, and making the flow passage 113 between the exhaust passage 115 and the steam inlet passage 111 to connect the exhaust passage 115 and the steam inlet passage 111, the steam inlet passage 111, the flow passage 113 and the exhaust passage 115 can be connected in a "Z" shape, which is conducive to making the steam passage 11 adopt a more compact passage design while increasing the flow path of water vapor in the steam passage 11 as much as possible, so that the water vapor can be better cooled and cooled in the steam valve 100, and the cooling effect of the steam valve 100 is further improved. At the same time, the use of the "Z"-shaped passage structure design is also conducive to better reducing the height of the valve body in the vertical direction, and then better reducing the setting height of the steam valve 100 in the pot cover 1000, reducing the overall thickness of the pot cover 1000, and better realizing the miniaturization design of the cooking appliance, and further improving the practicality and reliability of the steam valve 100.

[0071] Reference Figure 2 , Figure 4 , Fig. 9 and Fig.11 In one embodiment of the present invention, the steam inlet 1111 and the air outlet 131 are arranged opposite to each other.

[0072] In this embodiment, from Figure 3 visible, Figure 3This is a flow diagram of the low-temperature airflow in the steam valve 100 that enters the steam inlet channel 111 through the air outlet 131 and mixes with the high-temperature water vapor that enters the steam inlet channel 111 through the steam inlet 1111 and then flows in the steam channel 11. By arranging the steam inlet 1111 and the air outlet 131 relative to each other, the flow direction of the water vapor that flows through the steam inlet 1111 and enters the steam inlet channel 111 can be parallel to the flow direction of the low-temperature airflow that flows through the air outlet 131 and enters the steam inlet channel 111, so that the water vapor enters the steam inlet channel 111 through the steam inlet 1111 and can meet the low-temperature airflow, which is beneficial for the low-temperature airflow and the high-temperature water vapor to converge and mix more quickly, and further improve the cooling efficiency and stability of the steam valve 100 for steam.

[0073] Reference Fig.15 and Fig.16 In one embodiment of the present invention, the projection of the air outlet 131 on the steam inlet channel 111 along the up-down direction overlaps with the steam inlet 1111. Alternatively, the projection of the air outlet 131 on the steam inlet channel 111 along the up-down direction is staggered with the steam inlet 1111, and the air outlet 131 is arranged between the steam inlet 1111 and the flow channel 113.

[0074] In this embodiment, by overlapping the projection of the air outlet 131 on the steam inlet 111 along the vertical direction with the steam inlet 1111, the low-temperature airflow blown out from the air outlet 131 can be more directly contacted and cooled with the water vapor entering the steam channel 11 through the steam inlet 1111, and the water vapor can be quickly affected by the low-temperature airflow after entering the steam channel 11, so as to achieve a faster and more reliable cooling effect on the water vapor in the steam valve 100. In addition, by arranging the air outlet 131 relative to the steam inlet, part of the low-temperature airflow blown out from the air outlet 131 can also directly enter the pot body through the steam inlet, which is conducive to better utilizing the low-temperature airflow to disturb the air in the pot body, thereby dispersing the stale smell released in the pot body cavity when the food is heated, reducing the odor of the food after cooking, so that the cooking utensils can achieve a better cooking effect, so that the steam valve 100 can not only achieve cooling and cooling of the water vapor, but also play a certain function of removing the stale smell, further improving the practicality and reliability of the steam valve 100.

[0075] Alternatively, the projection of the air outlet 131 on the steam inlet channel 111 in the horizontal direction can be staggered with the steam inlet 1111, so that the water vapor can enter the steam inlet channel 111 through the steam inlet 113 and converge with the low-temperature airflow during the flow process, so that the cold air output by the blast channel 13 can be better mixed with the water vapor in the steam channel 11 and fully cooled, thereby ensuring the cooling effect of the steam valve 100 on the water vapor. Preferably, the air outlet 131 can be arranged between the flow channel 113 and the steam inlet 1111 in the horizontal direction, so that the water vapor can stably pass through the air outlet 131 during the process of entering the steam inlet channel through the steam inlet 113 and moving toward the flow channel, which is conducive to better extending the moving path of the water vapor in the steam channel 11, and the cold air blown into the steam channel 11 through the air outlet 131 by the blast channel 13 can be more fully mixed with the water vapor, so as to avoid the water vapor entering the steam channel 11 without being cooled and being directly discharged from the steam outlet 115, thereby ensuring the cooling effect of the steam valve 100 on the water vapor, and further improving the structural stability and reliability of the steam valve 100.

[0076] Reference Figure 2 , Figure 4 , Fig. 9 and Fig.11 In one embodiment of the present invention, the exhaust passage 115 is provided with a steam outlet 1151, and the exhaust passage 115 is extended in the up-down direction or in the horizontal direction.

[0077] In this embodiment, by providing a steam outlet 1151 at the exhaust passage 115, water vapor can stably flow through the steam inlet passage 111, the flow passage 113 and the exhaust passage 115 and then be discharged from the steam outlet 1151, thereby ensuring that the steam valve 100 can have a longer steam flow space, which is conducive to better extending the flow path of water vapor in the steam valve 100 and achieving better condensation and cooling functions. At this time, the exhaust passage 115 can extend in the up-down direction or in the horizontal direction, so that the steam valve 100 can be arranged according to the specific structure of the cooking utensil, ensuring the stable exhaust of the cooking utensil, and further improving the practicality and reliability of the steam valve 100.

[0078] In addition, by limiting the horizontal spacing L1 between the steam inlet 1111 and the air outlet 131 and the horizontal spacing L2 between the steam inlet 1111 and the steam outlet 1151 to meet the condition: 1 / 2L2≤L1≤2 / 3L2, within this range, the air outlet 131 and the steam inlet 1111 can have a certain spacing in the horizontal direction, and the steam inlet 1111 and the steam outlet 1151 can have a certain spacing in the horizontal direction, which is beneficial for ensuring that the steam valve 100 has a good condensation effect and better preventing water vapor from backflowing into the blast channel 13. Among them, by making L1 greater than or equal to 1 / 2L2, within this range, there can be a certain distance between the air outlet 131 and the steam inlet 1111, avoiding the steam inlet 1111 and the air outlet to be too close, which is beneficial to preventing water vapor from entering the steam channel 11 through the steam inlet 1111 and directly rushing to the air outlet 131 and backflowing into the blast channel 13, further preventing water vapor accumulation in the blast channel 13; at the same time, by making L1≤2 / 3L2, within this range, it can be avoided that the air outlet 131 is too far away from the steam inlet 1111, which may cause a certain probability that part of the water vapor is not cooled by the low-temperature airflow and is directly discharged from the steam outlet 1151, so that the low-temperature airflow can be better filled into the steam channel 11 to fully cool the water vapor, thereby ensuring the discharge of trace or low-temperature steam from the steam valve 100, ensuring the stable operation of the steam valve 100, and further improving the structural stability and reliability of the steam valve 100.

[0079] Furthermore, since water vapor still has a certain airflow velocity when entering the steam channel 11 through the steam inlet 1111, if the air outlet 131 is close to the steam inlet 1111, it is easy to cause part of the water vapor to rush to the air outlet 131 and condense in the blast channel 13. In this embodiment, by setting the distance D between the steam inlet 1111 and the air outlet 131 in the height direction to be greater than or equal to 5 mm, the air outlet 131 and the steam inlet 1111 can be spaced a certain distance apart in the height direction, which is conducive to extending the path of water vapor flowing between the steam inlet 1111 and the air outlet 131, reducing the flow rate and flow of water vapor flowing at this distance, avoiding water vapor from directly passing through the air outlet 131 into the blast channel 13, better reducing the water vapor accumulated in the blast channel 13, ensuring the stable operation of the steam valve 100, and further improving the structural stability and reliability of the steam valve 100.

[0080] Refer to 1. Figure 2 , Figure 7 and Fig. 9 In one embodiment of the present invention, the steam valve 100 further includes a driving mechanism 50 , which is connected to the sealing member 30 and drives the sealing member 30 to move so as to open or close the air outlet 131 .

[0081] In this embodiment, by using the driving mechanism 50 in the valve body 10 to drive the sealing member 30 to control the opening and closing of the air outlet 131, the processor of the cooking appliance can be used to control the operation of the driving mechanism 50 by electronic control to achieve control of the movement of the sealing member 30, which is conducive to better ensuring the automatic operation of the cooking appliance and further improving the practicality and reliability of the steam valve 100. In particular, since it is necessary to first maintain the low-temperature airflow in the blast channel 13 to flow stably during the operation of the steam valve 100, the sealing member 30 is then moved to open and close the air outlet 131 against the force of the airflow. By utilizing the driving mechanism 50 to drive the seal 30 to close or open the air outlet 131, the seal 30 can have sufficient power to overcome the force of the airflow and move, thereby achieving stable movement of the seal 30 in the valve body 10 and then opening or closing the air outlet 131, which is beneficial to better ensure the stable opening and closing of the air outlet 131 in the steam valve 100, and at the same time avoid the low-temperature airflow in the air blast channel 13 from being linked with the seal 30, which causes the flow rate of the low-temperature airflow in the steam valve 100 to be reduced, thereby further improving the practicality and reliability of the steam valve 100.

[0082] Reference Figures 2 to 6 In one embodiment of the utility model, the sealing member 30 includes a connecting sleeve 31 and a transmission screw 33. The connecting sleeve 31 is movably disposed in the air blast channel 13 and is used to open or close the air outlet 131. The inner wall of the connecting sleeve 31 is provided with a screw thread. The transmission screw 33 is connected to the driving mechanism 50. Part of the structure of the transmission screw 33 is rotatably disposed in the connecting sleeve 31 and is matched and connected with the inner wall of the connecting sleeve 31. The driving mechanism 50 drives the transmission screw 33 to rotate so that the transmission screw 33 drives the connecting sleeve 31 to move.

[0083] In this embodiment, the seal 30 may include a connecting sleeve 31 and a transmission screw 33. The connecting sleeve 31 may be a sleeve structure with a blind hole at one end, so that the transmission screw 33 can be inserted into the connecting sleeve 31 through the end open in the connecting sleeve 31, and the protrusion on the outer periphery of the transmission screw 33 is matched with the screw thread on the inner wall of the connecting sleeve 31. The screw thread can be extended in a spiral shape on the inner wall of the connecting sleeve 31, so that when a part of the structure of the transmission screw 33 rotates in the connecting sleeve 31, it can rotate along the extension direction of the screw thread, so that the transmission screw 33 can drive the connecting sleeve 31 to move along the central axis direction of the connecting sleeve 31 during the rotation process. At this time, the air outlet 131 can be arranged in the blast channel 13 corresponding to the end of the connecting sleeve 31 facing away from the transmission screw 33, so that the driving mechanism 50 can be used to act on the transmission screw 33 to drive the transmission screw 33 to rotate, so that the transmission screw 33 drives one end of the connecting sleeve 31 to move in the direction toward or away from the air outlet 131 during the rotation process, so that one end of the connecting sleeve can cover and close the air outlet 131 or move away from the air outlet 131 to open the air outlet 131, so as to realize the function of using the sealing member 30 to move and open and close the air outlet 131 in the steam valve 100, prevent water vapor from flowing back into the blast channel 13, and further improve the practicality and reliability of the steam valve 100. Among them, the driving mechanism 50 can be directly connected to the transmission screw 33 for rotation, or can indirectly drive the transmission screw 33 to rotate by using a transmission belt, a rack or other structures, so as to realize the power transmission of the driving mechanism 50 to the sealing member 30.

[0084] Reference Figures 2 to 5 In one embodiment of the utility model, a limit seat 15 is further provided in the valve body 10, the limit seat 15 is connected to the inner wall of the valve body 10, and the limit seat 15 is provided with a limit hole 151 relative to the air outlet 131. The transmission screw 33 is rotatably arranged in the limit hole 151, and the limit seat 15 is used to limit the seal 30.

[0085] In this embodiment, the limit seat 15 can be a plate structure fixedly connected to the inner wall of the valve body 10, or a groove can be set on the inner wall of the valve body 10, and the plate structure on the groove can be clamped by the protrusion on the outer periphery. By setting the limit hole 151 on the limit seat 15 at a position relative to the air outlet 131, the transmission screw 33 can be moved through the limit hole 151 and connected to the connecting sleeve 31 located between the limit hole 151 and the air outlet 131. At this time, a structure that abuts the transmission screw 33 can be set on the limit seat 15 to limit the displacement of the transmission screw 33, or the inner wall of the limit hole 151 can be abutted against the outer periphery of the transmission screw 33 to achieve the limitation of the transmission screw 33, or a limit column extending along the central axis direction of the connecting sleeve 31 can be set on the side of the limit seat 15 facing the connecting sleeve 31, and the limit column is movably inserted in the connecting sleeve 31 to achieve the limitation of the movement of the connecting sleeve 31. Therefore, the limit seat 15 can be used to abut and limit the transmission screw 33 and the connecting sleeve 31 from deflecting during the movement in the valve body 10, so that the seal 30 can more stably close or open the air outlet 131, thereby ensuring the stable operation of the steam valve 100 and further improving the structural stability and reliability of the steam valve 100.

[0086] Reference Figure 5 In one embodiment of the present invention, the limiting seat 15 forms a receiving platform around the limiting hole 151, and the outer periphery of the transmission screw 33 is provided with a supporting edge 331, and the supporting edge 331 abuts against the receiving platform.

[0087] In this embodiment, a receiving platform can be formed by extending around the limiting hole 151 of the limiting seat 15, so that when the transmission screw 33 is inserted into the limiting hole 151 and rotates, the supporting edge 331 can be used to abut against the supporting platform, so that the transmission screw 33 can be stably set on the limiting seat 15 and rotate, preventing the transmission screw 33 from moving along the extension direction of the movable sleeve during rotation, ensuring that the movable sleeve can be stably driven by the transmission screw 33 and then move in the direction toward or away from the air outlet 131, thereby realizing the opening or closing of the air outlet 131 in the steam valve 100. Among them, a plurality of ball bearings can be embedded on the bearing platform to roll and abut against the supporting edge 331, so as to reduce the friction between the transmission screw 33 and the limit seat 15 during the transmission process, and a pressure plate structure can be arranged above the receiving platform, and the pressure plate structure can be used to abut against the side of the supporting edge 331 facing away from the receiving platform, so that the receiving platform and the pressure plate structure can be better utilized to clamp the supporting edge 331, further limiting the movement of the transmission screw 33 along the extension direction of the movable sleeve during the rotation process, thereby ensuring the stable operation of the steam valve 100.

[0088] Reference Figure 5In one embodiment of the present invention, a sealing gasket 153 is embedded in the surface of the receiving platform. The sealing gasket 153 is arranged to surround the limiting hole 151 , and the supporting edge 331 abuts against the sealing gasket 153 .

[0089] In this embodiment, an annular groove surrounding the limiting hole 151 can be recessed on the surface of the receiving platform, and an annular sealing gasket 153 can be embedded in the annular groove. The sealing gasket 153 can have a partial structure protruding from the surface of the receiving platform, so that when the transmission screw 33 is installed on the limiting seat 15, the supporting edge 331 can be abutted against the partial structure of the sealing gasket 153 protruding from the surface of the receiving platform. At this time, the sealing gasket 153 can be made of a material with a certain elasticity such as silicone or rubber, so that the supporting edge 331 can press the sealing gasket 153 under the action of its own gravity or the force of the pressure plate structure, and the sealing gasket 153 is interference fit, which is conducive to using the sealing gasket 153 to achieve an airtight effect between the transmission screw 33 and the limiting seat 15, avoiding the low-temperature airflow in the blast channel 13 from being diverted and flowing out through the limiting hole 151, thereby reducing the flow of the low-temperature airflow entering the steam channel 11, ensuring that the water vapor in the steam valve 100 can be better cooled and cooled, and further improving the structural stability and reliability of the steam valve 100. Among them, the end of the sealing gasket 153 protruding from the surface of the receiving platform can be smoothed, and the side of the supporting edge 331 facing the receiving platform can be smoothed, which is beneficial to better reduce the friction between the sealing gasket 153 and the supporting edge 331, and reduce the friction loss between the transmission screw 33 and the limit seat 15.

[0090] Reference Figure 2 and Figure 5 In one embodiment of the present invention, an elastic plug body 311 is provided at one end of the connecting sleeve 31 facing away from the transmission screw rod 33 , and the elastic plug body 311 is used to abut against the inner wall of the air blast channel 13 and cover the air outlet 131 .

[0091] In this embodiment, an elastic plug body 311 is provided at the end of the connecting sleeve 31 facing away from the transmission screw 33. The elastic plug body 311 may be a rubber plug body or a silicone plug body having an outer diameter larger than the aperture of the air outlet 131. A groove may be provided on a partial structure of the outer periphery of the connecting sleeve 31 near the end so that the elastic plug body 311 is snapped into the groove to achieve connection and fixation of the elastic plug body 311 on the connecting sleeve 31. When the connecting sleeve 31 is driven by the transmission screw 33 to move in the direction toward the air outlet 131 to close the air outlet 131, the elastic plug body 311 can be used to abut against the inner wall of the air blast channel 13 so that the end face of the elastic plug body 311 covers the air outlet 131. At this time, under the action of the driving mechanism 50 on the sealing member 30, the end face of the elastic plug body 311 can be made to abut against the inner wall of the air blast channel 13 by interference fit, and then the elastic plug body 311 can be effectively used to surround the cover air outlet 131, thereby improving the airtightness between the sealing member 30 and the inner wall of the air blast channel 13, so that the sealing member 30 can close the air outlet 131 more stably and reliably, thereby ensuring the stable operation of the steam valve 100 and further improving the practicality and reliability of the steam valve 100.

[0092] Reference Figure 2 and Figure 5 In one embodiment of the present invention, the deformation of the sealing member 30 abutting against the inner wall of the blast channel 13 is defined as W, 0.3mm≤W≤1mm. And / or, the distance between the elastic plug body 311 and the air outlet 131 is defined as H, 2mm≤H≤50mm.

[0093] In the present embodiment, the seal 30 may adopt a structure having a certain elasticity such as an elastic plug body 311 at the end, so that the seal 30 can be connected with the inner wall of the air blast channel 13 by interference fit. Taking the elastic plug body 311 as an example, when the elastic plug body 311 abuts against the inner wall of the air blast channel 13 to close the air outlet 131, the elastic seal 30 abuts against the inner wall of the air blast channel 13 and the deformation amount of elastic deformation is between 0.3mm and 1mm. Within this range, the elastic deformation of the elastic plug body 311 can be better utilized in cooperation with the inner wall of the air blast channel 13 to form a good airtight effect, so that the seal 30 can close the air outlet 131 more stably and reliably. By making the elastic seal 30 abut against the inner wall of the blast channel 13 and causing elastic deformation with a deformation amount W greater than or equal to 0.3 mm, the elastic plug body 311 and the inner wall of the blast channel 13 can have sufficient contact area to achieve a better airtight effect; at the same time, making the elastic seal 30 abut against the inner wall of the blast channel 13 and causing elastic deformation with a deformation amount W less than or equal to 1 mm can help avoid excessive deformation of the elastic plug body 311, which may cause damage to the elastic plug body 311, further ensure the stable closure of the air outlet 131 by the seal 30, prevent water vapor from flowing back into the blast channel 13, and improve the structural stability and reliability of the steam valve 100.

[0094] Secondly, the distance between the end face of the elastic plug body 311 and the inner wall of the air outlet channel 13 where the air outlet hole 131 is located can be defined as the moving distance of the connecting sleeve 31 in the air outlet channel 13. By setting the distance between the elastic plug body 311 and the air outlet hole 131 between 2 mm and 50 mm, within this range, the connecting sleeve 31 can achieve the effect of opening and closing the air outlet hole 131 more quickly, thereby ensuring the stable operation of the steam valve 100. By making the spacing W between the elastic plug body 311 and the air outlet 131 greater than or equal to 2 mm, it can be ensured that there is a certain gap between the connecting sleeve 31 and the air outlet 131, so that the low-temperature airflow can maintain a certain flow rate and flow steadily through the air outlet 131 into the steam channel 11 to cool the water vapor, thereby ensuring the stable operation of the steam valve 100; at the same time, making the spacing W between the elastic plug body 311 and the air outlet 131 less than or equal to 50 mm is beneficial to preventing the moving path of the connecting sleeve 31 in the blast channel 13 from being too large, so that the connecting sleeve 31 can move more quickly in the blast channel 13 to open or close the air outlet 131, thereby avoiding the connecting sleeve 31 from moving too large and causing the driving mechanism 50 to fail to cooperate well in closing the air outlet 131, thereby improving the structural stability and reliability of the steam valve 100. Preferably, the distance between the elastic plug body 311 and the air outlet 131 can be set between 5 mm and 10 mm. Within this range, the connecting sleeve 31 can have a certain moving path and the moving path is not too large, so that the seal 30 can open or close the air outlet 131 more quickly, and the air flow can more stably pass through the gap between the seal 30 and the air outlet 131, flow through the air outlet 131 and enter the steam channel 11 to cool the water vapor, thereby further improving the structural stability and reliability of the steam valve 100.

[0095] Reference Figure 1 and Figure 2 In one embodiment of the utility model, the driving mechanism 50 includes a first stepper motor 51 and a transmission member 53. The transmission member 53 connects the first stepper motor 51 and the transmission screw 33. The first stepper motor 51 drives the transmission member 53 to drive the transmission screw 33 to rotate.

[0096] In this embodiment, the driving mechanism 50 can use the first stepper motor 51 to connect with the transmission member 53, and the transmission member 53 can be a transmission belt or a transmission chain connecting the main shaft of the first stepper motor 51 and the transmission screw 33. The transmission member 53 can be used to drive the first stepper motor 51 and the transmission screw 33 to rotate synchronously, so that the power of the first stepper motor 51 can be transmitted to the transmission screw 33 through the transmission member 53, so as to achieve the purpose of the driving mechanism 50 driving the transmission screw 33 to rotate, ensure the stable operation of the steam valve 100, and further improve the structural stability and reliability of the steam valve 100. The use of the stepper motor drive mode is conducive to better regulating the transmission member 53, and is conducive to realizing the adjustment of the moving position of the sealing member 30 in the blast channel 13, and further improving the operational reliability and stability of the steam valve 100. Among them, by making the first stepper motor 51 drive the transmission screw 33 to rotate through the transmission member 53, the extension direction of the main shaft of the first stepper motor 51 can be set parallel to the extension direction of the transmission screw 33, so that the sealing member 30 and the driving mechanism 50 can be arranged side by side in the valve body 10, which is beneficial to reducing the overall structural height of the steam valve 100, thereby reducing the space occupied by the steam valve 100 on the pot cover 1000, and further improving the practicality and reliability of the steam valve 100.

[0097] Reference Figure 1 and Figure 2 In one embodiment of the present invention, the transmission member 53 includes a driving gear 531 and a driven gear 533, the driving gear 531 is connected to the first stepper motor 51, the driven gear 533 is sleeved on the transmission screw rod 33, and the driving gear 531 is meshedly connected with the driven gear 533.

[0098] In this embodiment, the transmission member 53 may include a driving gear 531 and a driven gear 533. The driving gear 531 can be sleeved on the main shaft of the first stepper motor 51 to make the driving gear 531 rotate synchronously with the main shaft of the motor, and the driven gear 533 can be sleeved on the outer periphery of the transmission screw 33 to make the driven gear 533 rotate synchronously with the transmission screw 33. Then, the teeth of the driving gear 531 are meshed with the teeth of the driven gear 533 to achieve the driving of the driven gear 531 on the driven gear 533, thereby achieving the purpose of the first stepper motor 51 driving the transmission member 53 to drive the transmission screw 33 to rotate, thereby ensuring the stable operation of the steam valve 100. By using gear transmission to realize the driving of the transmission screw 33 by the first stepper motor 51, the meshing connection between the gears can be used to better prevent the transmission belt from slipping on the first stepper motor 51 and the transmission screw 33, so that the transmission member 53 can realize power transmission more stably and reliably, and ensure that the driving mechanism 50 stably drives the seal 30 to move in the valve body 10; at the same time, the first stepper motor 51 can adjust the moving position of the seal in the air blast channel 13 by controlling the number of teeth of the driving gear 531, and then the force of the air outlet at the air outlet 131 can be adjusted, which is beneficial for the steam valve 100 to achieve a better bubble breaking effect, and further improves the structural stability and reliability of the steam valve 100.

[0099] In one embodiment of the present invention, a first position detection device is provided on the inner wall of the air blowing channel 13 , and the first position detection device is used to detect the moving position of the sealing member 30 .

[0100] In the present embodiment, a first position detection device is provided on the inner wall of the air blast channel 13, and the first position detection device can be an infrared sensor or a micro switch, etc., so that the sealing member 30 can be moved in the valve body 10 to completely close the air outlet hole 131 or to completely open the air outlet hole 131 at a certain distance from the air outlet hole 131 to trigger the first position detection device, so as to better utilize the first position detection device to determine the initial position of the first stepper motor 51, so that the first position detection device can accurately detect the position of the sealing member 30 when the air outlet hole 131 is closed and opened in the air blast channel 13, which is beneficial to the sealing member 30 triggering the first position detection device. When the position detection device is in operation, the feedback control driving mechanism 50 stops driving the seal 30, ensuring the stable opening and closing of the air outlet 131 in the steam valve 100, and preventing the seal 30 from stopping moving when the air outlet 131 is not completely closed, causing water vapor to enter the air channel 13 through the gap between the seal 30 and the inner wall of the air channel 13. At the same time, it can also prevent the seal 30 from being further moved when the air outlet 131 is completely closed or the maximum distance between the seal 30 and the air outlet 131 is reached, causing damage to the seal 30 or the valve body 10, further ensuring the overall structural stability and reliability of the steam valve 100.

[0101] Reference Figure 7 , Fig. 9 and Fig.11 In one embodiment of the present invention, the driving mechanism 50 is provided with a guiding slope 5131 , and the end of the sealing member 30 away from the air outlet 131 abuts against the guiding slope 5131 and is driven by the guiding slope 5131 to open or close the air outlet 131 .

[0102] In this embodiment, the driving mechanism 50 can perform certain translational or rotational movements on the valve body 10. By forming a guide bevel 5131 on one side of the driving mechanism 50, the guide bevel 5131 can be set at a certain angle to the moving direction of the seal 30, so that the guide bevel 5131 can have a highest point and a lowest point at a certain distance in the moving direction of the seal 30, and then the guide bevel 5131 is used to abut against one end of the seal 30. In the process of the driving mechanism 50 driving the guide bevel 5131 to move, the contact position of the guide bevel 5131 and the seal 30 can be changed, so that the continuous movement of the guide bevel 5131 can abut and drive the seal 30 to move in the blast channel, thereby realizing the stable control of the driving mechanism 50 on the movement of the seal 30 in the blast channel 13, which is conducive to better preventing the components in the blast channel 13 from being damaged by moisture, ensuring the stable operation of the steam valve 100, and further improving the overall structural stability and reliability of the steam valve 100.

[0103] Reference Figure 7 , Fig. 9 and Fig.11 In one embodiment of the utility model, the driving mechanism 50 includes a translation slider 51a and a driving device 53a. A guide slope 5131 is provided on one side of the translation slider 51a. The translation slider 51a is movably abutted against the sealing member 30. The moving direction of the translation slider 51a is set at an angle to the moving direction of the sealing member 30. The driving device 53a is connected to the translation slider 51a and is used to drive the translation slider 51a to move.

[0104] In this embodiment, the driving mechanism 50 may include a translation slider 51a and a driving device 53a. The translation slider 51a may be a long block structure extending in a direction that is angled with the moving direction of the sealing member 30. By providing a protrusion on one side of the translation slider 51a or by bending a portion of the translation slider 51a, a guide slope 5131 may be formed on one side of the translation slider 51a. Then, by abutting the sealing member 30 against the translation slider 51a, the driving device 53a may be used to drive the translation slider 51a to move along its extension direction. The guide bevel 5131 can move on one end of the seal 30, and the guide bevel 5131 can push against and drive the seal 30 to move toward or away from the air outlet 131 in the blast channel 13 during the movement, so that the seal 30 can close or open the air outlet 131, thereby realizing the isolation or connection between the blast channel 13 and the steam channel 11, ensuring the cooling of water vapor in the steam valve 100 and preventing water vapor from flowing back into the blast channel 13 and condensing, thereby improving the practicality and reliability of the steam valve 100.

[0105] Among them, by utilizing the driving device 53a to drive the translation slider 51a to move, and then utilizing the translation slider 51a to drive the seal 30 to move during the movement, the driving mechanism 50 can be arranged and laid out in a direction that has a certain angle with the moving direction of the seal 30, and then the steam valve 100 can be arranged as a whole along the horizontal direction of the pot cover 1000, thereby reducing the overall occupied height of the steam valve 100 and facilitating the flattening design of the pot cover 1000.

[0106] Reference Figures 9 to 12 In one embodiment of the utility model, the translation slider 51a includes a connecting section 511a and a bending section 513a, the connecting section 511a is connected to the driving device 53a; the bending section 513a is connected to the connecting section 511a and is movably connected to the sealing member 30, and a portion of the bending section 513a is inclined to form a guide slope 5131.

[0107] In this embodiment, the translation slider 51a may include a connecting section 511a and a bending section 513a. The straight connecting section 511a can be connected to the driving device 53a, so that the driving device 53a can better drive the translation slider 51a to move in a direction that is at an angle to the moving direction of the seal 30; and the bending section 513a can be formed by bending during the processing or can be formed by casting using a specific mold, so that a guide slope 5131 with a certain slope can be formed on the bending section 513a. By utilizing the bending section 513a to move and abut against the seal 30 at the part of the guide slope 5131, it can be better ensured that the seal 30 moves under the abutment of the translation slider 51a, thereby achieving stable closing and opening of the air outlet 131 by the seal 30, and ensuring the stable operation of the steam valve 100. By forming the guiding inclined surface 5131 by bending the translation slider 51a, the overall structure of the translation slider 51a can be reduced, thereby facilitating the lightweight design of the steam valve 100.

[0108] Reference Fig.10 In one embodiment of the present invention, the distance between the highest point of the guide slope 5131 along the height direction and the lowest point of the guide slope 5131 along the height direction is defined as H, 3mm≤H≤25mm.

[0109] In this embodiment, the seal 30 can move along the height direction of the steam valve 100. At this time, the guide slope 5131 can have a highest point and a lowest point along the height direction, and there can be a certain distance between the highest point and the lowest point of the guide slope 5131. Then, in the process of the translation slider 51a driving the seal 30 to move, when the translation slider 51a moves to the highest point of the guide slope 5131 and abuts against the seal 30, the seal 30 is at a certain distance from the air outlet 131 and the air outlet 131 is completely opened; and when the translation slider 51a moves to the lowest point of the guide slope 5131 and abuts against the seal 30, the seal 30 is at the air outlet 131 and the air outlet 131 is completely closed. Furthermore, the distance H between the highest point of the guide slope 5131 along the height direction and the lowest point of the guide slope 5131 along the height direction is the distance that the seal 30 moves in the air blast channel 13. By setting H between 3 mm and 25 mm, within this range, the seal 30 can achieve the effect of opening and closing the air outlet 131 more quickly, thereby ensuring the stable operation of the steam valve 100. By making H greater than or equal to 3 mm, it can be ensured that there is a certain gap between the seal 30 and the air outlet 131, reducing the blocking effect of the seal 30 on the air outlet 131 when the air outlet 131 is fully opened, so that the low-temperature airflow can maintain a certain flow rate and flow steadily through the air outlet 131 into the steam channel 11 to cool the water vapor, thereby ensuring the stable operation of the steam valve 100; at the same time, making H less than or equal to 25 mm is conducive to preventing the moving path of the seal 30 in the blast channel 13 from being too large, so that the seal 30 can move more quickly in the blast channel 13 to open or close the air outlet 131, avoiding the seal 30 from moving too large and failing to cooperate well in closing the air outlet 131 when the seal 30 fails, thereby improving the structural stability and reliability of the steam valve 100. Preferably, the distance between the highest point of the guide slope 5131 along the height direction and the lowest point of the guide slope 5131 along the height direction can be set between 5 mm and 10 mm. Within this range, the seal 30 can have a certain moving path and the moving path is not too large, so that the seal 30 can open or close the air outlet 131 more quickly, and the air flow can flow more stably through the gap between the seal 30 and the air outlet 131, through the air outlet 131 and into the steam channel 11 to cool the water vapor, further improving the structural stability and reliability of the steam valve 100.

[0110] Reference Figure 7 and Figure 8In one embodiment of the utility model, a transmission rack 5111 is provided on one side of the connecting section 511a, and the driving device 53a includes a second stepping motor 531a and a transmission gear 533a, the transmission gear 533a is connected to the second stepping motor 531a, the transmission gear 533a is meshed with the transmission rack 5111, and the second stepping motor 531a drives the transmission gear 533a to rotate, so that the transmission gear 533a drives the translation slider 51a to move.

[0111] In this embodiment, a transmission rack 5111 is provided on one side of the connecting section 511a, and the transmission rack 5111 is meshed with the transmission gear 533a. When the second stepper motor 531a drives the transmission gear 533a to rotate, the locking teeth on the transmission gear 533a can be used to push the locking teeth of the transmission rack 5111 and apply a thrust in the horizontal direction to the connecting section 511a, so that the driving device 53a can convert the steering force of the second stepper motor 531a into a force for horizontal movement of the translation slider 51a through the connection between the transmission gear 533a and the transmission rack 5111, thereby ensuring that the connecting section 511a can stably drive the bending section 513a to move horizontally, and then the translation slider 51a drives the guide slope 5131 to drive the seal 30 to move, thereby ensuring the normal operation of the steam valve 100. When it is necessary to change the moving direction of the translation slider 51a to adjust the position of the sealing member 30 and realize the opening or closing of the air outlet 131, the second stepper motor 531a can be controlled to rotate forward or reversely to change the direction in which the transmission gear 533a drives the transmission rack 5111 to move, so that the driving device 53a can more conveniently control the moving direction of the translation slider 51a, further improving the practicality and reliability of the steam valve 100. By using the second stepper motor 531a to drive the transmission gear 533a, the second stepper motor 531a can be used to adjust the number of teeth of the transmission gear 533a to rotate, thereby realizing the control of the moving distance of the transmission rack 5111, and then realizing the adjustment of the height of the sealing member 30 moving in the vertical direction in the blast channel 13, so that the distance between the sealing member 30 and the air outlet 131 can be reduced in the relatively sealed blast channel 13 to increase the strength of the air flow at the air outlet 131, and then the air flow with greater strength can be used to achieve a better bubble breaking effect, further improving the practicality and reliability of the steam valve 100.

[0112] Reference Figure 7 and Figure 8 In one embodiment of the present utility model, the valve body 10 is further provided with a second position detection device 17, and the second position detection device 17 is used to detect the moving position of the translation slider 51a.

[0113] In this embodiment, by setting a second position detection device 17 on the valve body 10, the second position detection device 17 can be an infrared detection device or a distance measuring device, so that during the production process of the steam valve 100, the translation slider 51a can drive the sealing member 30 to move to the position of opening the air outlet 131 and closing the air outlet 131, and the second position detection device 17 is used to contact the connecting section 511a to trigger or record the distance moved by the translation slider 51a at this time, so that when the steam valve 100 is in operation, the sealing member 30 can be determined according to the trigger signal of the second position detection device 17. Whether the air outlet 131 is stably opened or closed by the second position detection device 17, that is, the starting point and the end point of the movement of the translation slider 51a can be responded to by the second position detection device 17, which is conducive to better utilizing the second position detection device 17 to determine the initial position of the second stepper motor 531a, and avoiding the translation slider 51a driving the seal 30 to move out of place, which has a certain probability of causing the seal 30 to be unable to completely close the air outlet 131 or completely open the air outlet 131, which is conducive to better ensuring the stable operation of the steam valve 100 and further improving the structural stability and reliability of the steam valve 100.

[0114] Reference Figure 7 and Figure 8 In one embodiment of the present invention, the second position detection device 17 is a micro switch, and a trigger rib 5113 is provided on the side of the connecting section 511a facing the second position detection device 17, and the trigger rib 5113 is used to abut and trigger the second position detection device 17.

[0115] In this embodiment, the second position detection device 17 can adopt a micro switch, and a trigger key can be provided on one side of the micro switch. By setting the micro switch on one side of the connecting section 511a and setting a trigger rib 5113 on one side of the connecting section 511a, a protrusion is provided at one end of the trigger rib 5113. When the steam valve 100 is installed, the other part of the trigger rib 5113 except the protrusion can be set at a certain distance from the trigger key of the micro switch, and the protrusion size of the trigger rib 5113 is larger than the distance. At this time, the translation slider 51a can be used to drive the seal 30 to move toward the air outlet 131 or away from the air outlet 131 to prevent the trigger rib 5113 from contacting the trigger key of the micro switch, and when the translation slider 51a drives the seal 30 to move to completely close the air outlet 131, the protrusion on the trigger rib 5113 just abuts against the trigger key of the micro switch, so that the steam valve 100 can trigger the second position detection device 17 to respond when the seal 30 moves to just completely close the air outlet 131, so that the steam valve 100 can control the driving device 53a to stop further driving the translation slider 51a at this time, keep the seal 30 closed to the air outlet 131 at this time, and avoid the seal 30 from moving out of place. Similarly, when the translation slider 51a drives the seal 30 to move to fully open the air outlet 131, the protrusion on the trigger rib 5113 can just abut against the trigger key of the micro switch, so that the steam valve 100 can also trigger the second position detection device 17 to respond when the seal 30 moves to just completely open the air outlet 131, and at this time, the driving device 53a is controlled to stop further driving the translation slider 51a, so as to keep the seal 30 in the state of opening the air outlet 131 at this time. Under the linkage response of the second position detection device 17 and the translation slider 51a, it can effectively ensure that the seal 30 can be stably in the state of closing the air outlet 131 and closing the air outlet 131, avoid the seal 30 from moving out of position in the valve body 10, ensure the stable operation of the steam valve 100, and further improve the structural stability and reliability of the steam valve 100.

[0116] Reference Figures 9 to 12 In one embodiment of the utility model, the sealing member 30 includes a movable rod 31a and an elastic plug body 33a. The movable rod 31a is connected to the translation slider 51a. The elastic plug body 33a is connected to one end of the movable rod 31a facing the air outlet 131. The elastic plug body 33a is used to abut against the inner wall of the air blast channel 13 and cover the air outlet 131.

[0117] In this embodiment, the sealing member 30 may include a movable rod 31a and an elastic plug body 33a. The movable rod 31a may be connected to the translation slider 51a by abutting one end of the movable rod 31a against the guide slope 5131 of the translation slider 51a. The elastic plug body 33a is connected to the end of the movable rod 31a facing away from the translation slider 51a and is arranged toward the air outlet 131 by making the moving direction of the movable rod 31a and the moving direction of the translation slider 51a form an angle. The sealing member 30 can be a plug structure that moves along the central axis direction of the air outlet hole 131. At this time, by setting the outer diameter of the elastic plug body 33a to be larger than the aperture of the air outlet hole 131, when the movable rod 31a is pushed against by the translation slider 51a and moved in the direction toward the air outlet hole 131 to close the air outlet hole 131, the elastic plug body 33a can be abutted against the inner wall of the valve body 10 and cover the air outlet hole 131, so that the sealing member 30 can stably cover and close the air outlet hole 131. At this time, under the stable pushing force of the translation slider 51a, the elastic plug body 33a can be interference fit with the inner wall of the air blast channel 13, thereby effectively improving the airtight effect of the abutment between the seal 30 and the inner wall of the air blast channel 13, so that the seal 30 can more stably and reliably close the air outlet 131 to prevent gas leakage between the air blast channel 13 and the steam channel 11, thereby ensuring the stable operation of the steam valve 100 and further improving the practicality and reliability of the steam valve 100.

[0118] Furthermore, the elastic plug body 33a and the inner wall of the air blast channel 13 are connected by interference fit. When the elastic plug body 33a abuts against the inner wall of the air blast channel 13 to allow the seal 30 to close the air outlet hole 131, the elastic plug body 33a can be elastically deformed against the inner wall of the air blast channel 13 to a deformation amount between 0.3 mm and 1 mm. Within this range, the elastic deformation of the elastic plug body 33a can be better utilized in cooperation with the inner wall of the air blast channel 13 to form a good airtight effect, so that the seal 30 can close the air outlet hole 131 more stably and reliably. By making the elastic seal 30 abut against the inner wall of the blast channel 13 and causing elastic deformation with a deformation amount W greater than or equal to 0.3 mm, the elastic plug body 33a and the inner wall of the blast channel 13 can have sufficient contact area to achieve a better airtight effect; at the same time, making the elastic seal 30 abut against the inner wall of the blast channel 13 and causing elastic deformation with a deformation amount W less than or equal to 1 mm can help avoid excessive deformation of the elastic plug body 33a, which may cause damage to the elastic plug body 33a, further ensure the stable closure of the air outlet 131 by the seal 30, prevent water vapor from flowing back into the blast channel 13, and improve the structural stability and reliability of the steam valve 100.

[0119] Reference Fig.10 and Fig.12In one embodiment of the present invention, a connecting hole 311a is provided on the outer peripheral side of the movable rod 31a, and the translation slider 51a is movably inserted into the connecting hole 311a, and the guiding inclined surface 5131 abuts against the inner wall of the connecting hole 311a.

[0120] In this embodiment, by providing a connecting hole 311a that passes through the movable rod 31a on the outer peripheral side of the movable rod 31a, the translation slider 51a can be movably passed through the connecting hole 311a, and the guide bevel 5131 on one side of the translation slider 51a is abutted against the inner wall of the connecting hole 311a. As a result, in the process of the translation slider 51a moving horizontally through the connecting hole 311a, the guide bevel 5131 can be used to abut against the inner wall of the connecting hole 311a to drive the movable rod 31a to move toward or away from the air outlet 131, thereby realizing that the driving mechanism 50 drives the seal 30 to move in the air blast channel 13, so that the seal 30 can stably open or close the air outlet 131, thereby further improving the structural stability and reliability of the steam valve 100. By providing a connection hole 311a on the movable rod 31a for the translation slider 51a to pass through, the connection between the movable rod 31a and the translation slider 51a is realized, and the connection hole 311a can be used to limit the movement of the translation slider 51a, so as to avoid the deviation of the translation slider 51a and cause the seal 30 to deviate in the blast channel 13, thereby affecting the opening and closing effect of the seal 30 on the air outlet 131, and further ensuring the stable operation of the steam valve 100. At the same time, the connection hole 311a can also better improve the connection stability and reliability of the movable rod 31a and the translation slider 51a, avoid the translation slider 51a from being disconnected from the movable rod 31a, ensure that the driving mechanism 50 can stably act on the seal 30 to drive the seal 30 to move in the blast channel, realize the stable opening and closing of the air outlet 131 by the seal 30, and prevent water vapor from flowing back into the blast channel 13, further improving the practicality and reliability of the steam valve 100.

[0121] Reference Fig.10 and Fig.12 In one embodiment of the utility model, a limiting hole 191 is provided on the inner wall of the air blast channel, and the limiting hole 191 is arranged corresponding to the air outlet hole 131. The elastic plug body 33a is movably provided between the limiting hole 191 and the air outlet hole 131, and the movable rod 31a is movably passed through the limiting hole 191.

[0122] In this embodiment, by setting a limiting hole 191 on the inner wall of the air blast channel and making the limiting hole and the air outlet hole opposite to each other, the movable rod 31a can be passed through the limiting hole 191 to connect to the elastic plug body 33a located between the limiting hole 191 and the air outlet hole 131. At this time, the translation slider 51a can be set on the side of the limiting hole 191 facing away from the air outlet hole 131, so that the translation slider 51a can stably utilize the guide slope 5131 to abut the movable rod 31a to drive the movable rod 31a to move at the limiting hole 191, thereby realizing the closing or opening of the air outlet hole 131 by the elastic plug body 33a. The size of the limiting hole 191 can be slightly larger than the cross-sectional size of the movable rod 31a, so that the limiting hole 191 can be used to limit the movable rod 31a during the movement of the movable rod 31a, thereby preventing the movable rod 31a from shifting during the movement, so that the seal 30 can move vertically smoothly in the air blast channel to open and close the air outlet 131, thereby ensuring the stable operation of the steam valve 100 and further improving the structural stability and reliability of the steam valve 100.

[0123] In addition, a limiting groove 19 may be further provided in the valve body 10 , a limiting hole 191 is provided on the bottom wall of the limiting groove 19 , and the movable rod 31 a is movably provided through the limiting groove 19 .

[0124] In this embodiment, the valve body 10 can be provided with a limiting groove 19 on the inner wall of the air blast channel, so that when the seal 30 opens the air outlet 131, the movable rod 31a and the elastic plug body 33a can be stored in the limiting groove 19 to avoid the flow of air, so that the low-temperature airflow in the air blast channel 13 can flow through the air outlet 131 and be discharged into the steam channel 11 to cool the water vapor. At this time, a limiting hole 191 can be set on the bottom wall of the limiting groove 19, so that the movable rod 31a can be inserted into the limiting hole 191 and the inner wall of the limiting hole 191 is used to limit the displacement of the movable rod 31a to achieve the limit of the movement of the seal 30. Secondly, a protrusion structure can also be provided on the inner wall of the limiting groove 19, and the protrusion structure can be used to abut the outer periphery of the movable rod 31a to limit the movement of the movable rod 31a to a certain extent, which is beneficial to better prevent the seal 30 from shifting during the movement in the air blast channel, so that the seal 30 can open or close the air outlet 131 more stably and reliably, further improving the structural stability and reliability of the steam valve 100.

[0125] In addition, a sealing sleeve 331a can be connected around the outer periphery of the elastic plug body 33a, and a fixed flange 3311 can be folded at one end of the sealing sleeve 331a. The sealing sleeve 331a can be a structure with a certain elasticity or can be bent at a certain angle, so that when the movable rod 31a drives the elastic plug body 33a to move, the sealing sleeve 331a can be bent and retracted or stretched to avoid the movement of the elastic plug body 33a in the air blast channel 13. At this time, by providing a recessed fixing slot 193 on the inner side wall of the limiting slot 19, the fixing flange 3311 can be clamped in the fixing slot 193, and then the sealing sleeve 331a can be used to cover the notch of the limiting slot 19 and seal in the notch of the limiting slot 19, which is beneficial for isolating the low-temperature airflow in the blast channel 13 from entering the limiting slot 19 under the action of the sealing sleeve 331a, avoiding the airflow in the blast channel 13 from being diverted and discharged through the limiting hole 191, ensuring that the low-temperature airflow can flow more fully through the air outlet hole 131 to act on the steam valve 100 to cool the water vapor, thereby further improving the overall structural stability and reliability of the steam valve 100.

[0126] Reference Fig.15 and Fig.16 In one embodiment of the utility model, a spoiler rib 1131 is provided in the steam channel 11, and the spoiler rib 1131 is provided on the steam flow path of the steam channel 11. And / or, the steam valve 100 is also provided with a temperature detection mechanism, and the temperature detection mechanism is at least partially provided in the steam channel 11, and the temperature detection mechanism is used to detect the steam temperature in the steam channel 11. And / or, the valve body 10 is also provided with an air inlet hole connected to the blast channel 13, and the area of ​​the air inlet hole is defined as A, A≥5mm 2 . And / or, the channel length of the blast channel 13 is defined as L, 5mm≤L≤30mm. And / or, the pot cover 1000 further includes a blast device 70, which is disposed on one side of the valve body 10 and connected to the blast channel 13, and the blast device 70 is used to drive airflow to flow through the blast channel 13 and the steam channel 11.

[0127] In this embodiment, a spoiler rib 1131 may be connected to the inner wall of the steam channel 11, and the spoiler rib 1131 may be arranged on the path of water vapor flowing in the steam channel 11, so that the water vapor can be blocked by the spoiler rib 1131 during the flow of the water vapor in the steam channel 11, and the path of the water vapor flowing in the steam valve 100 is extended, so that the water vapor can be more fully mixed with the low-temperature airflow in the steam valve 100 to achieve cooling, ensure the stable operation of the steam valve 100, and further improve the structural stability and reliability of the steam valve 100. Among them, the flow path of the water vapor in the steam valve 100 can be further extended by arranging a plurality of spoiler ribs 1131 at a certain interval along the flow path of the water vapor in the steam channel 11, so as to achieve sufficient condensation and cooling of the water vapor in the steam valve 100, and ensure the practicality and reliability of the steam valve 100.

[0128] A temperature detection mechanism may be provided in the steam passage 11 of the steam valve 100. The temperature detection mechanism may be a thermometer or a temperature sensor, etc. The temperature detection mechanism may be used to monitor the steam temperature in the steam passage 11 in real time, so that the sealing member 30 may be fed back to determine whether the air outlet 131 is normally opened or closed according to the temperature in the steam passage 11. In the process of introducing low-temperature airflow into the steam valve 100 to condense and cool the water vapor, if the temperature in the steam passage 11 detected by the temperature detection mechanism is greater than or equal to the temperature of the water vapor, it may indicate that the low-temperature airflow has not properly entered the steam passage 11 to condense and cool the water vapor. At this time, it may be fed back that the sealing member 30 has not properly opened the air outlet 131, and the user may be warned that the steam valve 100 is faulty. Among them, one end of the temperature detection mechanism may be exposed on the side of the steam valve 100 facing the pot body, so that the temperature detection mechanism may also be used to detect the temperature in the pot body during the cooking process of the cooking utensil, thereby making the components of the cooking utensil more compact and further improving the practicality and reliability of the cooking utensil.

[0129] In addition, by setting the area A of the air inlet hole on the valve body 10 to be greater than or equal to 5 cm 2 Within the range of , the steam valve 100 can have a larger air inlet area to ensure that a sufficient amount of low-temperature airflow can be introduced into the blast channel 13 to cool the water vapor, thereby ensuring the stable operation of the steam valve 100 and further improving the structural stability and reliability of the steam valve 100.

[0130] By setting the channel length L of the blast channel 13 between 5 mm and 30 mm, within this range, the valve body 10 can better achieve a compact structural design and layout of components. By setting the channel length L of the blast channel 13 to be greater than or equal to 5 mm, a certain space can be provided in the blast channel 13 to set the seal 30, which is conducive to better conveying the low-temperature airflow to the steam channel 11 through the blast channel 13 to cool the water vapor; at the same time, by setting the channel length L of the blast channel 13 to be less than or equal to 30 mm, within this range, the channel length of the blast channel 13 will not be too long, which is conducive to better reducing the occupied space of the valve body 10, so that the steam valve 100 can be better arranged in the central area of ​​the pot cover 1000, so that the water vapor generated in the pot body can flow into the steam valve 100 more quickly through the steam inlet 1111, further improving the practicality and reliability of the steam valve 100.

[0131] Secondly, the pot cover 1000 can be connected to a blower device 70 on one side of the valve body 10 of the steam valve 100. The blower device 70 can be an axial flow fan or a centrifugal fan, etc., by setting an opening connected to the blower channel 13 on one side of the valve body 10, and making the air outlet end of the blower device 70 cover the opening, so that the steam valve 100 can use the blower device 70 to pass a low-temperature airflow into the blower channel 13, so that a low-temperature airflow with a faster flow rate can be passed into the steam valve 100 to cool down the water vapor, thereby ensuring the stable operation of the steam valve 100 and further improving the structural stability and reliability of the steam valve 100.

[0132] The utility model also proposes a pot cover 1000, which includes a cover body 200 and a steam valve 100. The specific structure of the steam valve 100 refers to the above-mentioned embodiment. Since the pot cover 1000 adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0133] The present invention also proposes a cooking utensil, which includes a pot body and a pot cover 1000. The specific structure of the pot cover 1000 refers to the above-mentioned embodiment. Since the present subject 2 adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0134] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A steam valve, characterized in that: include: A valve body, wherein a steam channel and an air blast channel are formed in the valve body, wherein the valve body is defined to have an up-down direction, wherein the steam channel at least partially extends along the up-down direction, wherein at least a portion of the air blast channel overlaps with a projection of the steam channel in the up-down direction, and wherein the air blast channel is provided with an air outlet hole communicating with the steam channel in the overlapping region; and A sealing member is movably disposed in the air blast passage to open or close the air outlet therein.

2. The steam valve according to claim 1, characterized in that The steam channel comprises a steam inlet channel, a flow channel and a steam exhaust channel which are connected in sequence, and the valve body is defined to have a horizontal direction, and the steam inlet channel extends in the horizontal direction; The steam inlet channel and at least a portion of the blast channel are overlapped in the up-and-down direction, the air outlet is connected to the steam inlet channel, and the steam inlet channel is provided with a steam inlet.

3. The steam valve according to claim 2, characterized in that At least a portion of the blast passage extends in the up-down direction, and is arranged side by side with a portion of the steam passage extending in the up-down direction in a horizontal direction.

4. The steam valve according to claim 2, characterized in that The exhaust passage extends in a horizontal direction, and the extension direction of the exhaust passage is opposite to the extension direction of the inlet passage. The inlet passage, the flow passage and the exhaust passage are connected to form a "Z" shape.

5. The steam valve according to claim 2, characterized in that The steam inlet is arranged opposite to the air outlet.

6. The steam valve according to claim 5, characterized in that The projection of the air outlet on the steam inlet channel in the up-down direction overlaps with the steam inlet; Alternatively, the projection of the air outlet on the steam inlet channel in the up-down direction is arranged to be offset from the steam inlet, and the air outlet is arranged between the steam inlet and the flow channel.

7. The steam valve according to claim 2, characterized in that The exhaust passage is provided with a steam outlet, and the exhaust passage is extended in the up-down direction or in the horizontal direction.

8. A steam valve according to any one of claims 1 to 7, characterized in that: The steam valve further comprises a driving mechanism, which is connected to the sealing member and drives the sealing member to move so as to open or close the air outlet.

9. The steam valve according to claim 8, characterized in that The sealing element comprises: A connecting sleeve, which is movably disposed in the air blast channel and is used to open or close the air outlet, and the inner wall of the connecting sleeve is provided with a screw thread; and A transmission screw rod, the transmission screw rod is connected to the driving mechanism, and a part of the structure of the transmission screw rod is rotatably disposed in the connecting sleeve and is cooperatively connected with the inner wall of the connecting sleeve; The driving mechanism drives the transmission screw to rotate, so that the transmission screw drives the connecting sleeve to move.

10. The steam valve according to claim 9, characterized in that The driving mechanism includes a first stepper motor and a transmission member, wherein the transmission member connects the first stepper motor and the transmission screw, and the first stepper motor drives the transmission member to drive the transmission screw to rotate.

11. The steam valve according to claim 10, characterized in that The transmission member comprises a driving gear and a driven gear, wherein the driving gear is connected to the first stepper motor, the driven gear is sleeved on the transmission screw rod, and the driving gear is meshedly connected with the driven gear.

12. The steam valve according to claim 9, characterized in that A limit seat is also provided in the valve body, the limit seat is connected to the inner wall of the valve body, and the limit seat is provided with a limit hole relative to the air outlet; The transmission screw rod is rotatably inserted into the limiting hole, and the limiting seat is used to limit the sealing element.

13. The steam valve according to claim 12, characterized in that The limiting seat forms a receiving platform around the limiting hole, and the outer periphery of the transmission screw is provided with a supporting edge, and the supporting edge abuts against the receiving platform.

14. The steam valve according to claim 13, characterized in that A sealing gasket is embedded on the surface of the receiving platform, the sealing gasket surrounds the limiting hole, and the supporting edge abuts against the sealing gasket.

15. The steam valve according to claim 9, characterized in that An elastic plug body is provided at one end of the connecting sleeve facing away from the transmission screw rod, and the elastic plug body is used to abut against the inner wall of the air blast channel and cover the air outlet.

16. The steam valve according to claim 9, characterized in that A first position detection device is provided in the air blast passage, and the first position detection device is used to detect the moving position of the sealing member.

17. The steam valve according to claim 8, characterized in that The driving mechanism is provided with a guiding slope, and the end of the sealing member facing away from the air outlet is in contact with the guiding slope and is driven by the guiding slope to open or close the air outlet.

18. The steam valve according to claim 17, characterized in that The driving mechanism comprises: A translation slider, one side of which is provided with the guiding inclined surface, the translation slider movably abuts against the sealing member, and the moving direction of the translation slider is arranged at an angle to the moving direction of the sealing member; and A driving device is connected to the translation slider and is used to drive the translation slider to move.

19. The steam valve according to claim 18, characterized in that The translation slider comprises: a connecting section connected to the driving device; and A bending section is connected to the connecting section and is movably connected to the sealing member, and a portion of the bending section is inclined to form the guiding inclined surface.

20. The steam valve according to claim 19, characterized in that The distance between the highest point of the guiding slope along the height direction and the lowest point of the guiding slope along the height direction is defined as H, 3mm≤H≤25mm.

21. The steam valve according to claim 19, characterized in that The valve body is provided with a second position detection device, and the second position detection device is used to detect the moving position of the translation slider; And / or, a transmission rack is provided on one side of the connecting section, and the driving device includes a second stepping motor and a transmission gear, the transmission gear is connected to the second stepping motor, the transmission gear is meshingly connected with the transmission rack, and the second stepping motor drives the transmission gear to rotate, so that the transmission gear drives the translation slider to move.

22. A steam valve as claimed in any one of claims 1 to 7, characterized in that The deformation amount of the sealing member abutting against the inner wall of the air blowing channel is defined as W, and 0.3 mm ≤ W ≤ 1 mm.

23. A steam valve as claimed in any one of claims 1 to 7, characterised in that The steam channel is provided with spoiler ribs, and the spoiler ribs are arranged on the steam flow path of the steam channel; And / or, the steam valve is further provided with a temperature detection mechanism, the temperature detection mechanism is at least partially provided in the steam passage, and the temperature detection mechanism is used to detect the steam temperature in the steam passage; And / or, the valve body is further provided with an air inlet hole connected to the air blast channel, and the area of ​​the air inlet hole is defined as A, A≥5mm 2 ; And / or, the channel length of the blast channel is defined as L, 5mm≤L≤30mm.

24. A pot cover, characterized in that: The pot cover comprises a cover body and a steam valve, wherein the steam valve is the steam valve according to any one of claims 1 to 23, and the steam valve is arranged in the cover body.

25. The pot cover according to claim 24, characterized in that: The steam valve is provided with an air blast channel and a steam channel, and the pot cover also includes an air blast device, which is arranged on one side of the steam valve and connected to the air blast channel to drive air flow through the air blast channel and the steam channel.

26. A cooking utensil, characterized in that: The cooking utensil comprises a pot body and a pot cover, wherein the pot cover is the pot cover as described in any one of claims 24 or 25, and the pot cover is used to cover or open the pot body.

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