Exhaust valve and container cover

Abstract

The exhaust valve comprises a body and a valve element, the body comprises a valve cavity, an air inlet and an air outlet, the air inlet and the air outlet both communicate with the valve cavity, the valve element is located in the valve cavity, and the valve element can move relative to the body in the height direction of the exhaust valve so that the valve element can open or block the air inlet. The exhaust valve further comprises at least one blocking piece located in the valve cavity, the at least one blocking piece is located between the air inlet and the exhaust port, and when the air inlet is opened by the valve element, the blocking piece can deform in the height direction of the exhaust valve. In the exhaust process of the exhaust valve, steam jetted at a high speed impacts the blocking piece before being exhausted from the exhaust port, so that the blocking piece deforms and vibrates, the vibrating blocking piece can play a role in buffering the steam jetted at the high speed, the flow speed of the steam is reduced, the risk that the steam is jetted out of the exhaust port during exhaust is reduced, and the service life of the exhaust valve is prolonged. And the risk of splashing of food materials discharged from the exhaust port along with steam is reduced, noise is reduced, and the use experience of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooking utensils, in particular to an exhaust valve and a container lid. Background Art

[0002] A pressure cooker is a cooking container often used in people's daily life. When the pressure cooker is heated, steam is generated inside. The gradually increasing steam makes the internal pressure of the pressure cooker gradually increase, facilitating the rapid cooking of food. To ensure the safe use of the pressure cooker, an exhaust valve is usually provided on the container lid of the pressure cooker. When the internal pressure of the pressure cooker is too high, the steam entering through the air inlet of the exhaust valve can push up the valve core sealing the air inlet, thereby discharging some steam to reduce the pressure. However, there is a problem that the exhaust valve sprays steam at high speed into the external environment during exhaust. Especially when used to cook relatively viscous ingredients, the ingredients will be sprayed out into the external environment along with the steam. At the same time, a relatively harsh sound is generated during the exhaust process, and the user experience is poor. Summary of the Utility Model

[0003] This application provides an exhaust valve and a container lid, which reduce the risk of splashing during exhaust, reduce the noise during exhaust, and improve the user experience.

[0004] In the first aspect of this application, an exhaust valve is provided. The exhaust valve includes a body and a valve core. The body includes a valve cavity, an air inlet, and an exhaust port. Both the air inlet and the exhaust port are communicated with the valve cavity. The valve core is located in the valve cavity, and the valve core can move relative to the body along the height direction of the exhaust valve so that the valve core can open or block the air inlet.

[0005] Wherein, the exhaust valve further includes at least one blocking member located in the valve cavity. At least one of the blocking members is located between the air inlet and the exhaust port, and when the valve core opens the air inlet, the blocking member can deform along the height direction of the exhaust valve.

[0006] In this solution, by providing a blocking member in the exhaust valve, during the exhaust process of the exhaust valve, the high-speed jet steam impacts the blocking member before being discharged from the exhaust port, causing the blocking member to deform and vibrate. The vibrating blocking member can buffer the high-speed jet steam, reduce the flow rate of the steam, and thus is beneficial to reducing the risk of the steam spraying out from the exhaust port during exhaust and reducing the risk of ingredients splashing out from the exhaust port along with the steam. At the same time, it can also reduce the noise generated during exhaust. Meanwhile, during the exhaust process, the inner wall of the valve cavity can condense the steam, further reducing the steam flow rate and reducing the risk of splashing during the exhaust process, improving the safety of using the exhaust valve. In addition, the inner wall of the valve cavity can also play a sound insulation role, reducing the exhaust noise and being beneficial to improving the user experience.

[0007] In a specific implementation, when the valve core blocks the air inlet, one end of the blocking member is in sealed cooperation with the inner wall of the body, and the other end is in sealed cooperation with the valve core. The blocking member blocks the air inlet and the exhaust port.

[0008] When the valve core opens the air inlet, the blocking member can deform along the height direction of the exhaust valve so that the air inlet is communicated with the exhaust port.

[0009] In this solution, when the exhaust valve is in the first state, one end of the blocking member is in sealed cooperation with the inner wall of the body, and the other end is in sealed cooperation with the valve core. The blocking member makes the air inlet and the exhaust port unable to communicate, and the gas path that can communicate the air inlet and the exhaust port is sealed by the blocking member, which is beneficial to improving the effect of the blocking member in buffering the steam flow rate and further reducing the risk of splashing and noise generated by the exhaust valve.

[0010] In a specific implementation, the blocking member at least includes a first blocking member and a second blocking member that are spaced apart along the height direction of the exhaust valve. One end of the first blocking member is installed on the valve core or the body, and the other end can deform along the height direction of the exhaust valve. One end of the second blocking member is installed on the body or the valve core, and the other end can deform along the height direction of the exhaust valve.

[0011] In this solution, the exhaust valve is provided with at least a first blocking member and a second blocking member distributed along the height direction, which can increase the buffering times of the high-speed jet steam, improve the buffering effect of the steam flow rate in the valve cavity, and is beneficial to reducing the steam flow rate. At the same time, when the other end of the first blocking member abuts against the inner wall of the body, under the action of the steam, the other end of the first blocking member is more likely to deform along the height direction of the exhaust valve; similarly, when the other end of the second blocking member abuts against the valve core, under the action of the steam, the other end of the second blocking member is more likely to deform along the height direction of the exhaust valve so that the air inlet and the exhaust port are communicated through the valve cavity, which is beneficial to improving the feasibility of the exhaust valve exhausting.

[0012] In a specific implementation, the first blocking member is located between the air inlet and the second blocking member, and one end of the first blocking member is installed on the valve core, and the other end can abut against the inner wall of the body. One end of the second blocking member is installed on the body, and the other end can abut against the valve core.

[0013] In this solution, the first blocking member includes a first end and a second end. The first end is mounted on the valve core, and the second blocking member includes a third end and a fourth end. The fourth end is mounted on the body. The second end abuts against the inner wall of the body, and the third end abuts against the outer wall of the valve core, so as to separate the air inlet and the exhaust port through the first blocking member and the second blocking member. When the valve core opens the air inlet and the exhaust valve is in the second state, under the action of the steam pressure, the first end of the first blocking member deforms and vibrates. Furthermore, there is a first gap for steam to flow through between the first end and the inner wall of the body. The steam flows to the second blocking member through the first gap. Subsequently, the steam drives the third end of the second blocking member to deform and vibrate. Furthermore, there is a second gap for steam to flow through between the third end and the outer wall of the valve core, so that the steam can communicate with the air inlet through the second gap to realize exhaust.

[0014] Therefore, during the exhaust process, the steam needs to bypass around the first end close to the body to the third end close to the valve core, so that the steam bypasses between the first blocking member and the second blocking member, which is beneficial to increasing the bypass distance of the steam, enabling the steam to further decelerate, and thus further reducing the risk of steam splashing. At the same time, when the food ingredients bypass between the first blocking member and the second blocking member along with the steam, it can promote the deposition of the food ingredients and reduce the risk of splashing caused by the food ingredients being discharged from the exhaust port along with the steam.

[0015] In a specific implementation manner, the valve core includes a first extension portion extending towards the inner wall of the body. The first extension portion is provided with a first installation groove, and one end of the first blocking member is embedded in the first installation groove.

[0016] The body has a second extension portion extending towards the valve core. The second extension portion is provided with a second installation groove, and one end of the second blocking member is embedded in the second installation groove.

[0017] In this solution, the first blocking member is connected to the valve core by being embedded in the first installation groove, and the second blocking member is connected to the body by being embedded in the second installation groove, which improves the connection reliability between the first blocking member and the valve core and the connection reliability between the second blocking member and the body. At the same time, the first end of the first blocking member is mounted on the first extension portion, and the first extension portion can make the second end of the first blocking member closer to the body. The fourth end of the second blocking member is mounted on the second extension portion, and the second extension portion can make the third end of the second blocking member closer to the valve core, further increasing the distance between the second end and the third end and increasing the bypass distance of the steam.

[0018] In a specific implementation manner, the body includes a first valve body and a second valve body that are detachably connected. The air inlet is arranged on the first valve body, and the exhaust port is arranged on the second valve body. The first blocking member can abut against the inner wall of the first valve body, and the second extension portion is arranged on the second valve body.

[0019] In this solution, the first valve body has a first valve cavity, the second valve body has a second valve cavity, the first valve cavity is connected to the second valve cavity, the first blocking member is located in the first valve cavity, and the second blocking member is located in the second valve cavity. When the exhaust valve needs to be cleaned, the first valve cavity and the second valve cavity can be cleaned by simply disconnecting the first valve body and the second valve body, thereby improving the cleanliness of the exhaust valve.

[0020] In a specific implementation, the valve core includes a limiting portion extending toward the inner wall of the body, and an elastic member is sleeved on one end of the valve core facing away from the air inlet. Along the height direction of the exhaust valve, the blocking member is located on the side of the limiting portion facing the air inlet.

[0021] In this scheme, an elastic member is sleeved on one end of the valve core away from the air inlet, and the elastic member is located between the limit portion and the top wall of the body. When the exhaust valve switches from the first state to the second state, when the valve core moves toward the top wall of the body, the elastic member can be compressed under the action of the limit portion and the top wall of the body, that is, when the exhaust valve is in the second state, the elastic member is in a compressed state. When the air pressure in the container is less than the gravity of the valve core and other components connected to the valve core, under the action of the rebound force of the elastic member and the gravity of the valve core, the valve core moves toward the air inlet along the height direction of the exhaust valve to block the exhaust port, so that the exhaust valve is in the first state. Therefore, in the process of the exhaust valve switching from the second state to the first state, the force driving the valve core to move comes from the gravity of the valve core and the rebound force of the elastic member, so that the valve core can automatically and quickly block the air inlet, thereby improving the sensitivity of the exhaust valve switching to the second state.

[0022] In a specific implementation, the thickness of the blocking member is L, satisfying 1 mm ≤ L ≤ 1.5 mm.

[0023] In this solution, when 1mm≤L≤1.5mm, the steam can drive the blocking member to deform and generate vibration, and can effectively reduce the flow rate of the steam, thereby achieving normal exhaust, reducing the risk of splashing during exhaust, and reducing exhaust noise.

[0024] In a specific implementation, the material of the blocking member is silicone rubber.

[0025] In this solution, the blocking member is made of silicone rubber, which makes the blocking member have good deformation ability and ensures the effect of the blocking member in buffering the steam flow rate. At the same time, the blocking member is made of silicone rubber, which can ensure the food safety of the exhaust valve for cooking.

[0026] The second aspect of the present application further provides a container cover, the container cover comprising a cover body and an exhaust valve, the exhaust valve being the exhaust valve described above.

[0027] In this solution, when the exhaust valve switches from the first state to the second state, the blocking member can buffer the flow rate of the steam in the valve cavity, thereby effectively reducing the risk of splashing and noise in the exhaust valve and improving the user experience of the container lid for the container body.

[0028] It should be understood that the above general description and the following detailed description are only exemplary and do not limit this application. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic structural diagram of the exhaust valve provided by this application in a specific embodiment, wherein the exhaust valve is in the first state;

[0030] Figure 2 It is a schematic structural diagram of the exhaust valve provided by this application in a specific embodiment, wherein the exhaust valve is in the second state;

[0031] Figure 3 is to remove Figure 1 the schematic structural diagram of the first blocking member and the second blocking member in;

[0032] Figure 4 is Figure 2 the partial enlarged view of part I in.

[0033] Description of the reference numerals:

[0034] 1 - Body;

[0035] 11 - First valve body;

[0036] 111 - First valve cavity;

[0037] 112 - Intake port;

[0038] 113 - Third extension part;

[0039] 113a - Inlet;

[0040] 12 - Second valve body;

[0041] 121 - Second valve cavity;

[0042] 122 - Exhaust port;

[0043] 123 - Second extension part;

[0044] 123a - Second installation groove;

[0045] 13 - Valve cover;

[0046] 131 - Fitting part;

[0047] 2 - Valve core;

[0048] 21 - Limiting part;

[0049] 22 - First extension part;

[0050] 221 - First installation groove;

[0051] 3 - Blocking member;

[0052] 31 - First blocking member;

[0053] 311 - First end;

[0054] 312 - Second end;

[0055] 32 - Second blocking member;

[0056] 321 - Third end;

[0057] 322 - Fourth end;

[0058] 4 - Elastic member.

[0059] The accompanying drawings herein are incorporated into and constitute a part of this specification, showing embodiments consistent with the present application, and are used together with the specification to explain the principles of the present application. Detailed implementation manners

[0060] For a better understanding of the technical solutions of the present application, the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0061] In a specific embodiment, the present application will be further described in detail below through specific embodiments in combination with the accompanying drawings.

[0062] It should be clear that the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts shall fall within the scope of protection of the present application.

[0063] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms of "a", "the" and "said" used in the embodiments of the present application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise.

[0064] It should be understood that the term " / and / " used herein is only a description of the associated relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " herein generally represents an "or" relationship between the associated objects before and after.

[0065] It should be noted that the orientation terms such as "upper", "lower", "left", and "right" described in the embodiments of the present application are described from the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in the context, it should also be understood that when it is mentioned that one component is connected "above" or "below" another component, it can not only be directly connected "above" or "below" another component, but also be indirectly connected "above" or "below" another component through an intermediate component.

[0066] An embodiment of the present application provides an exhaust valve, which is used for the container lid of a cooking container, and the cooking container can be a pressure cooker, a low-pressure cooker, an electric rice cooker, etc. The cooking container includes a container lid and a container body, and the container lid can be covered on the container body.

[0067] As Figure 1 and Figure 2 shown, the container lid includes a lid body (not shown in the figure), and the exhaust valve is installed on the lid body. The exhaust valve includes an exhaust port 122 and an air inlet 112 communicated with the exhaust port 122. When the container lid is covered on the container body, the air inlet 112 of the exhaust valve is communicated with the inner cavity of the container body, and the exhaust port 122 of the exhaust valve is used to open when the pressure in the container body reaches a preset pressure during the cooking process, so as to realize the exhaust of the cooking container.

[0068] As Figure 1 and Figure 2 shown, the exhaust valve includes a body 1 and a valve core 2. The body 1 includes a valve cavity, an air inlet 112 and an exhaust port 122, and both the air inlet 112 and the exhaust port 122 are communicated with the valve cavity. The valve core 2 is located in the valve cavity, and the valve core 2 can move relative to the body 1 along the height direction of the exhaust valve, so that the valve core 2 can open or block the air inlet 112. Wherein, the exhaust valve further includes at least one blocking member 3 located in the valve cavity. The at least one blocking member 3 is located between the air inlet 112 and the exhaust port 122, and when the valve core 2 opens the air inlet 112, the blocking member 3 can deform along the height direction of the exhaust valve.

[0069] In this embodiment, the valve core 2 of the exhaust valve can move relative to the body 1 along the height direction of the exhaust valve, so that the exhaust valve is in a first state or a second state. As Figure 1 shown, when the exhaust valve is in the first state, the valve core 2 blocks the air inlet 112. At this time, steam cannot flow into the valve cavity through the air inlet 112, and the exhaust valve is in a closed state. As Figure 2 shown, when the exhaust valve is in the second state, the valve core 2 opens the air inlet 112. At this time, steam can flow into the valve cavity through the air inlet 112, and the exhaust valve is in an open state.

[0070] Specifically, when the exhaust valve is used for cooking, the exhaust valve is in the first state. The pressure in the container body is relatively small, steam does not accumulate at the air inlet 112, the pressure acting on the valve core 2 is relatively small, which is not sufficient to drive the valve core 2 to move along the height direction of the exhaust valve, and steam accumulates at the air inlet 112. As the pressure in the container body increases to the exhaust pressure, this exhaust pressure can drive the valve core 2 to move along the height direction of the exhaust valve. Furthermore, the valve core 2 can open the air inlet 112, enabling steam to flow into the valve cavity through the air inlet 112. Since the pressure in the container body is relatively large at this time, the steam has a relatively high flow rate. Then, under the impact of the steam, the blocking member 3 can deform along the height direction of the exhaust valve and generate vibration, enabling the valve cavity to communicate with the exhaust port 122, and allowing the steam to be discharged to the outside through the exhaust port 122, thus achieving exhaust.

[0071] Therefore, by arranging the blocking member 3 in the exhaust valve, during the exhaust process of the exhaust valve, the high-speed jet steam impacts the blocking member 3 before being discharged from the exhaust port 122, causing the blocking member 3 to deform and generate vibration. The vibrating blocking member 3 can buffer the high-speed jet steam, reduce the flow rate of the steam, which is conducive to reducing the risk of the steam spraying out from the exhaust port 122 during exhaust, and reducing the risk of the food ingredients splashing out from the exhaust port 122 along with the steam. At the same time, it can also reduce the noise generated during exhaust. Meanwhile, during the exhaust process, the inner wall of the valve cavity can condense the steam, further reducing the flow rate of the steam, reducing the risk of splashing during the exhaust process, and improving the safety of using the exhaust valve. In addition, the inner wall of the valve cavity can also play a sound insulation role, reducing the exhaust noise, which is beneficial to improving the user experience.

[0072] In a possible implementation manner, as Figure 1 shown, when the valve core 2 blocks the air inlet 112, one end of the blocking member 3 is in sealed cooperation with the inner wall of the body 1, and the other end is in sealed cooperation with the valve core 2. The blocking member 3 blocks the air inlet 112 and the exhaust port 122. When the valve core 2 opens the air inlet 112, as Figure 2 shown, the blocking member 3 can deform along the height direction of the exhaust valve, enabling the air inlet 112 to communicate with the exhaust port 122.

[0073] In this embodiment, when the exhaust valve is in the first state, one end of the blocking member 3 is in sealed cooperation with the inner wall of the body 1, and the other end is in sealed cooperation with the valve core 2. The blocking member 3 makes the air inlet 112 and the exhaust port 122 unable to communicate, and can seal the air path that enables the air inlet 112 and the exhaust port 122 to communicate through the blocking member 3, which is beneficial to improving the effect of the blocking member 3 in buffering the steam flow rate and further reducing the risk of splashing and noise generated by the exhaust valve. After the valve core 2 opens the air inlet 112, the steam needs to impact the blocking member 3 first to drive the blocking member 3 to deform along the height direction of the exhaust valve, enabling the air inlet 112 and the exhaust port 122 to communicate and achieving exhaust.

[0074] In a possible implementation, as Figure 1 and Figure 2 shown, the blocking member 3 at least includes a first blocking member 31 and a second blocking member 32 that are spaced apart along the height direction of the exhaust valve. One end of the first blocking member 31 is installed on the valve core 2 or the body 1, and the other end abuts against the inner wall of the body 1 or the valve core 2, so that the other end of the first blocking member 31 can be deformed along the height direction of the exhaust valve. One end of the second blocking member 32 is installed on the body 1 or the valve core 2, and the other end abuts against the valve core 2 or the inner wall of the body 1, so that the other end of the second blocking member 32 can be deformed along the height direction of the exhaust valve. Therefore, the exhaust valve is provided with at least the first blocking member 31 and the second blocking member 32 distributed along the height direction, which can increase the buffering times of the high-speed jet steam, improve the buffering effect of the steam flow rate in the valve cavity, and is beneficial to reducing the steam flow rate.

[0075] In this embodiment, as Figure 1 shown in the embodiment, one end of the first blocking member 31 is installed on the valve core 2, and the other end abuts against and cooperates with the inner wall of the body 1; one end of the first blocking member 31 is installed on the body 1, and the other end abuts against and cooperates with the outer wall of the valve core 2. When the other end of the first blocking member 31 abuts against the inner wall of the body 1, under the action of the steam, the other end of the first blocking member 31 is more likely to be deformed along the height direction of the exhaust valve; similarly, when the other end of the second blocking member 32 abuts against and cooperates with the valve core 2, under the action of the steam, the other end of the second blocking member 32 is more likely to be deformed along the height direction of the exhaust valve, so that the air inlet 112 and the exhaust port 122 are communicated through the valve cavity, which is beneficial to improving the feasibility of the exhaust valve to exhaust.

[0076] In other embodiments, one end of the second blocking member 32 is installed on the valve core 2, and the other end abuts against and cooperates with the inner wall of the body 1; one end of the second blocking member 32 is installed on the body 1, and the other end abuts against and cooperates with the outer wall of the valve core 2.

[0077] In a possible implementation, as Figure 1 and Figure 2 shown, the first blocking member 31 is located between the air inlet 112 and the second blocking member 32, and one end of the first blocking member 31 is installed on the valve core 2, and the other end can abut against the inner wall of the body 1, and one end of the second blocking member 32 is installed on the body 1, and the other end can abut against the valve core 2.

[0078] Specifically, as Figure 2 and Figure 4 shown, the first blocking member 31 includes a first end 311 and a second end 312, the first end 311 is installed on the valve core 2, the second blocking member 32 includes a third end 321 and a fourth end 322, and the fourth end 322 is installed on the body 1. When the exhaust valve is in the state as Figure 1In the first state shown, the second end 312 abuts against the inner wall of the body 1, and the third end 321 abuts against the outer wall of the valve core 2, so that the air inlet 112 and the exhaust port 122 are separated by the first blocking member 31 and the second blocking member 32. When the valve core 2 opens the air inlet 112 and the exhaust valve is in the second state as shown in Figure 2 , under the action of the steam pressure, the first end 311 of the first blocking member 31 deforms and vibrates. Then, there is a first gap for steam flow between the first end 311 and the inner wall of the body 1. The steam flows through the first gap to the second blocking member 32. Subsequently, the steam drives the third end 321 of the second blocking member 32 to deform and vibrate. Then, there is a second gap for steam flow between the third end 321 and the outer wall of the valve core 2, so that the steam can communicate with the air inlet 112 through the second gap to achieve exhaust (the steam flow path is as shown by the arrow in Figure 2 ).

[0079] Therefore, during the exhaust process, the steam needs to bypass near the first end 311 of the body 1 to near the third end 321 of the valve core 2, so that the steam bypasses between the first blocking member 31 and the second blocking member 32, which is beneficial to increasing the bypass distance of the steam, enabling the steam to further decelerate, and thus further reducing the risk of steam splashing. At the same time, when the food ingredients bypass between the first blocking member 31 and the second blocking member 32 along with the steam, it can promote the deposition of the food ingredients and reduce the risk of splashing caused by the food ingredients being discharged from the exhaust port 122 along with the steam.

[0080] In a possible implementation manner, as shown in Figure 3 and Figure 4 , the valve core 2 includes a first extension portion 22 extending towards the inner wall of the body 1. The first extension portion 22 is provided with a first installation groove 221, and one end of the first blocking member 31 is embedded in the first installation groove 221. The body 1 has a second extension portion 123 extending towards the valve core 2. The second extension portion 123 is provided with a second installation groove 123a, and one end of the second blocking member 32 is embedded in the second installation groove 123a.

[0081] Therefore, the first blocking member 31 is connected to the valve core 2 by being embedded in the first installation groove 221, and the second blocking member 32 is connected to the body 1 by being embedded in the second installation groove 123a, improving the connection reliability between the first blocking member 31 and the valve core 2 and the connection reliability between the second blocking member 32 and the body 1. At the same time, the first end 311 of the first blocking member 31 is installed on the first extension portion 22, and the first extension portion 22 can make the second end 312 of the first blocking member 31 closer to the body 1. The fourth end 322 of the second blocking member 32 is installed on the second extension portion 123, and the second extension portion 123 can make the third end 321 of the second blocking member 32 closer to the valve core 2, further increasing the distance between the second end 312 and the third end 321 and increasing the bypass distance of the steam.

[0082] Specifically, the first blocking member 31 can be detachably connected to the valve core 2, and the second blocking member 32 can be detachably connected to the body 1, so that the first blocking member 31 and the second blocking member 32 can be removed from the exhaust valve, making it convenient for the user to replace the first blocking member 31 and the second blocking member 32 to increase the service life of the exhaust valve.

[0083] In a possible embodiment, the connection mode between the first blocking member 31 and the valve core 2 and the connection mode between the second blocking member 32 and the main body 1 can also be a detachable connection mode such as snap-on, sleeve connection, etc., or the connection mode between the first blocking member 31 and the valve core 2 and the connection mode between the second blocking member 32 and the main body 1 can also be a fixed connection mode such as bonding.

[0084] In a possible implementation, Figure 1 and Figure 2 As shown, along the height direction of the exhaust valve, the valve core 2 includes a limit portion 21 extending toward the inner wall of the body 1, and an elastic member 4 is sleeved on one end of the valve core 2 away from the air inlet 112, and the second blocking member 32 is located between the limit portion 21 and the first blocking member 31. The elastic member 4 can be a spring.

[0085] In this embodiment, the end of the valve core 2 away from the air inlet 112 is sleeved with an elastic member 4, and the elastic member 4 is located between the limit portion 21 and the top wall of the body 1. When the exhaust valve switches from the first state to the second state, when the valve core 2 moves toward the top wall of the body 1, the elastic member 4 can be compressed under the action of the limit portion 21 and the top wall of the body 1, that is, when the exhaust valve is in the second state, the elastic member 4 is in a compressed state. When the air pressure in the container is less than the gravity of the valve core 2 and other components connected to the valve core 2, under the action of the rebound force of the elastic member 4 and the gravity of the valve core 2, the valve core 2 moves toward the air inlet 112 along the height direction of the exhaust valve to block the exhaust port 122, so that the exhaust valve is in the first state. Therefore, in the process of the exhaust valve switching from the second state to the first state, the force driving the valve core 2 to move comes from the gravity of the valve core 2 and the rebound force of the elastic member 4, so that the valve core 2 can automatically and quickly block the air inlet 112, thereby improving the sensitivity of the exhaust valve switching to the second state.

[0086] In addition, when the exhaust valve is in Figure 2In the second state shown, steam flows into the space between the first blocking member 31 and the second blocking member 32 through the first gap, and then flows out to the side of the second blocking member 32 away from the first blocking member 31 through the second gap. The steam is blocked by the limiting portion 21. Therefore, the steam needs to bypass between the second blocking member 32 and the limiting portion 21 and flow out through the gap between the second blocking member 32 and the limiting portion 21, and then flow to the exhaust port 122 to achieve exhaust. Therefore, by providing the limiting portion 21, the exhaust valve can achieve the re-bypass of steam, further effectively reducing the flow rate of steam and improving the anti-splash and noise reduction effects of the exhaust valve.

[0087] In a possible implementation manner, as Figure 1 shown, the body 1 includes a first valve body 11 and a second valve body 12 that are detachably connected. The air inlet 112 is provided on the first valve body 11, and the exhaust port 122 is provided on the second valve body 12. The first blocking member 31 can abut against the inner wall of the first valve body 11, and the second extension portion 123 is provided on the second valve body 12.

[0088] In this embodiment, the first valve body 11 has a first valve cavity 111, the second valve body 12 has a second valve cavity 121, the first valve cavity 111 is communicated with the second valve cavity 121, the first blocking member 31 is located in the first valve cavity 111, and the second blocking member 32 is located in the second valve cavity 121. When the exhaust valve needs to be cleaned, only by disconnecting the first valve body 11 and the second valve body 12 can the first valve cavity 111 and the second valve cavity 121 be cleaned, improving the cleanliness of the exhaust valve.

[0089] The exhaust valve may further include a valve cover 13 that is detachably connected to the second valve body 12. At this time, the valve cover 13 is the top wall of the body 1 described above. When the exhaust valve needs to be cleaned, the valve cover 13 can also be removed from the second valve body 12, further facilitating the cleaning of the exhaust valve.

[0090] Specifically, when the exhaust valve switches from the first state to the second state, steam enters the first valve cavity 111 through the exhaust port 122 and undergoes the first condensation. The first blocking member 31 buffers the steam for the first time, and the steam drives the first blocking member 31 to deform and vibrate. The steam flows from the first valve cavity 111 through the second valve cavity 121 and undergoes the second condensation. The second blocking member 32 buffers the steam for the second time, and the steam drives the second blocking member 32 to deform and vibrate.

[0091] Among them, the valve cover 13 and the second valve body 12 can be detachably connected by means of threads or the like, and the first valve body 11 and the second valve body 12 can be detachably connected by means of threads or the like. The present application does not limit the detachable connection manner between the valve cover 13 and the second valve body 12, nor the detachable connection manner between the first valve body 11 and the second valve body 12.

[0092] In a possible implementation manner, along the height direction of the exhaust valve, the valve cover 13 further includes a mating portion 131 that is recessed away from the air inlet 112. One end of the valve core 2 facing the valve cover 13 is located within the mating portion 131 and can slide along the mating portion 131. The mating portion 131 is used to avoid the valve core 2, reducing the risk that the valve core 2 cannot open the air inlet 112 due to the blocking of the valve cover 13, and thus improving the reliability of the valve core 2 to open the air inlet 112. At the same time, during the exhaust process of the exhaust valve, one end of the valve core 2 being located within the mating portion 131 can reduce the risk of the valve core 2 shaking, which is beneficial to improving the reliability and stability of the exhaust valve during operation.

[0093] In any of the above embodiments, as Figure 1 shown, the thickness of the blocking member 3 is L, satisfying 1 mm ≤ L ≤ 1.5 mm. For example, the dimension L can specifically be 1 mm, 1.1 mm, 1.2 mm, 1.3 mm, 1.4 mm, 1.5 mm.

[0094] When L is too large, the thickness of the blocking member 3 is too large, there is a risk that the steam cannot drive the blocking member 3 to deform and vibrate, resulting in the blocking member 3 still being sealingly fitted in the valve cavity, that is, during the exhaust process of the exhaust valve, there is a problem that the air inlet 112 and the exhaust port 122 cannot communicate, making the exhaust valve unable to exhaust normally and reducing the use safety of the exhaust valve. When L is too small, the thickness of the blocking member 3 is too small, and the function of the blocking member 3 for buffering the steam flow rate is small, and it cannot effectively reduce the steam flow rate, resulting in poor anti-spray and noise reduction effects of the exhaust valve. In this embodiment, when 1 mm ≤ L ≤ 1.5 mm, the steam can drive the blocking member 3 to deform and vibrate, and can effectively reduce the steam flow rate, thereby realizing normal exhaust, reducing the risk of splashing during exhaust, and reducing the exhaust noise.

[0095] In a possible implementation manner, as Figure 1 shown, the material of the blocking member 3 is silicone rubber, making the blocking member 3 have good deformation ability and ensuring the effect of the blocking member 3 for buffering the steam flow rate. At the same time, the material of the blocking member 3 is silicone rubber, which can ensure the food safety of the exhaust valve for cooking.

[0096] The embodiment of the present application further provides a container cover, as Figure 1 and Figure 2 shown, the container cover includes a cover body and an exhaust valve, and the exhaust valve is the exhaust valve in any of the above embodiments.

[0097] In this embodiment, when the exhaust valve switches from the first state to the second state, the blocking member 3 can buffer the steam flow rate in the valve cavity, thereby effectively reducing the risks of splashing and noise of the exhaust valve, and improving the use experience of the container cover for the container body.

[0098] In a specific embodiment, as Figure 1As shown, the body 1 may have a third extension portion 113, the third extension portion 113 extends along the height direction of the exhaust valve relative to the first valve body 11, and the third extension portion 113 is integrally formed with the first valve body 11. The third extension portion 113 has an inlet 113a and an outlet arranged opposite to each other, one end of the outlet of the third extension portion 113 extends into the first valve cavity 111, one end of the inlet 113a of the third extension portion 113 is located outside the first valve cavity 111, and the outlet of the third extension portion 113 is the air inlet 112 of the exhaust valve described above. When the exhaust valve is mounted on the cover body, the third extension portion 113 is mounted on the cover body, and the mounting method includes but is not limited to fixedly connecting or detachably connecting with the third extension portion 113 through the connecting hole on the cover body. At this time, the inlet 113a of the third extension portion 113 is located on the side of the cover body away from the body 1, and is connected to the container body of the cooking container.

[0099] In another specific embodiment, the body 1 may further include an exhaust pipe (not shown in the figure) connected to the first valve body 11, and the exhaust pipe can be installed on the cover body, and the installation method includes but is not limited to fixed connection or detachable connection with the exhaust pipe through the connection hole on the cover body. At this time, the inlet of the exhaust pipe is located on the side of the cover body away from the body 1, and is connected to the container body of the cooking container. The body 1 can also be installed on the cover body, and the installation method includes but is not limited to fixed installation by welding or the like, or detachable installation by bolt connection or clamping.

[0100] In other embodiments, the air inlet 112 may also be directly provided on the body 1 , specifically, an opening is provided on the bottom wall of the first valve body 11 to form the air inlet 112 . That is, in this embodiment, the body 1 may not include the exhaust pipe and the third extension portion 113 .

[0101] The above is only a specific implementation of the embodiment of the present application, but the protection scope of the embodiment of the present application is not limited thereto, and any changes or replacements within the technical scope disclosed in the embodiment of the present application should be included in the protection scope of the embodiment of the present application. Therefore, the protection scope of the embodiment of the present application should be based on the protection scope of the claims.

Claims

1. An exhaust valve, characterized in that: The exhaust valve comprises: A body (1), the body (1) comprising a valve cavity, an air inlet (112) and an air outlet (122), the air inlet (112) and the air outlet (122) both being in communication with the valve cavity; a valve core (2), the valve core (2) being located in the valve cavity, the valve core (2) being able to move relative to the body (1) along a height direction of the exhaust valve, so that the valve core (2) can open or block the air inlet (112); The exhaust valve further comprises at least one blocking member (3) located in the valve cavity, wherein at least one blocking member (3) is located between the air inlet (112) and the exhaust port (122), and when the valve core (2) opens the air inlet (112), the blocking member (3) can be deformed along the height direction of the exhaust valve.

2. The exhaust valve according to claim 1, characterized in that: When the valve core (2) blocks the air inlet (112), one end of the blocking member (3) is in sealing cooperation with the inner wall of the body (1), and the other end is in sealing cooperation with the valve core (2), and the blocking member (3) blocks the air inlet (112) and the exhaust port (122); When the valve core (2) opens the air inlet (112), the blocking member (3) can be deformed along the height direction of the exhaust valve to enable the air inlet (112) to communicate with the exhaust port (122).

3. The exhaust valve according to claim 2, characterized in that: The blocking member (3) comprises at least a first blocking member (31) and a second blocking member (32) which are spaced apart and distributed along the height direction of the exhaust valve, wherein one end of the first blocking member (31) is mounted on the valve core (2) or the body (1), and the other end is capable of deforming along the height direction of the exhaust valve, and one end of the second blocking member (32) is mounted on the body (1) or the valve core (2), and the other end is capable of deforming along the height direction of the exhaust valve.

4. The exhaust valve according to claim 3, characterized in that: The first blocking member (31) is located between the air inlet (112) and the second blocking member (32), and one end of the first blocking member (31) is mounted on the valve core (2), and the other end is capable of abutting against the inner wall of the body (1); one end of the second blocking member (32) is mounted on the body (1), and the other end is capable of abutting against the valve core (2).

5. The exhaust valve according to claim 3, characterized in that: The valve core (2) comprises a first extension portion (22) extending toward the inner wall of the body (1), the first extension portion (22) being provided with a first installation groove (221), and one end of the first blocking member (31) being embedded in the first installation groove (221); The body (1) has a second extension portion (123) extending toward the valve core (2), the second extension portion (123) is provided with a second installation groove (123a), and one end of the second blocking member (32) is embedded in the second installation groove (123a).

6. The exhaust valve according to claim 5, characterized in that The main body (1) comprises a first valve body (11) and a second valve body (12) which are detachably connected, the air inlet (112) is arranged on the first valve body (11), the air outlet (122) is arranged on the second valve body (12), the first blocking member (31) is capable of abutting against the inner wall of the first valve body (11), and the second extension portion (123) is arranged on the second valve body (12).

7. The exhaust valve according to any one of claims 1 to 6, characterized in that: The valve core (2) comprises a limiting portion (21) extending toward the inner wall of the body (1); an elastic member (4) is sleeved on one end of the valve core (2) facing away from the air inlet (112); and along the height direction of the exhaust valve, the blocking member (3) is located on a side of the limiting portion (21) facing the air inlet (112).

8. The exhaust valve according to any one of claims 1 to 6, characterized in that: The thickness of the blocking member (3) is L, satisfying 1 mm ≤ L ≤ 1.5 mm.

9. The exhaust valve according to any one of claims 1 to 6, characterized in that: The material of the blocking member (3) is silicone rubber.

10. A container cover, characterized in that: The container cover comprises: Cover body; An exhaust valve, wherein the exhaust valve is the exhaust valve according to any one of claims 1 to 9; Wherein, the exhaust valve is installed on the cover body.

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