Exhaust valve and cooking container cover

Abstract

The utility model relates to the technical field of cooking devices, in particular to an exhaust valve and a cooking container cover. The exhaust valve comprises a valve body, a valve element and an elastic piece, the valve body is provided with an air inlet and an air outlet, the elastic piece presses the valve element to the air inlet of the valve body through elastic force to form sealing, and the elastic piece is provided with a first through hole. According to the exhaust valve, through the design of the valve body and the elastic piece, the exhaust valve has a good exhaust passage, the exhaust efficiency is high in the using process, and good safety and reliability are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooking device technical field, especially a kind of exhaust valve and cooking container cover. BACKGROUND

[0002] The cooking utensil includes pot body and pot cover which is combined on the pot body, and the pot cover is combined on the pot body to form cooking cavity with the pot body. The pot cover is usually provided with exhaust valve, which is generally used to discharge steam in the cooking cavity after the pot body works to achieve the effect of quickly opening the cover and prevent the pressure in the cooking cavity from being too high to cause safety accidents. The exhaust efficiency of the exhaust valve in the related art is low, which cannot quickly discharge the steam in the cooking cavity, thereby causing safety accidents. SUMMARY

[0003] The present application provides an exhaust valve and a cooking container cover, which can quickly discharge steam to improve safety.

[0004] The first aspect of the present application provides an exhaust valve, which comprises: a valve body, an exhaust passage is provided in the valve body, the exhaust passage has an air inlet and an exhaust outlet, and the exhaust outlet is communicated with the outside; a valve core, which is movably arranged in the exhaust passage; and an elastic member, which is installed on the valve body and has a first through hole penetrating the elastic member.

[0005] Wherein, along the height direction of the exhaust valve, the elastic member is located on the side of the valve core away from the air inlet, and the elastic member is connected with the valve core to drive the valve core to move along the height direction of the exhaust valve to open or block the air inlet.

[0006] In the present scheme, when the cooking container cover is combined on the container body and the pressure is greater than the preset pressure of the exhaust valve, the steam in the pot lifts the valve core, so that the valve core is in the position of opening the air inlet. The steam in the pot body enters the exhaust passage along the air inlet, and the steam in the exhaust passage is discharged from the exhaust outlet, so that the pressure in the pot body is reduced to prevent the pressure in the pot body from being too high to cause safety accidents. When the valve core is lifted, the elastic member can be pressed to deform. When the pressure in the pot is reduced to below the preset pressure, the elastic force of the elastic member can press the valve core to the position of blocking the air inlet, thereby improving the reliability of blocking the air inlet and preventing the exhaust valve from affecting the cooking progress during cooking.

[0007] During the exhaust process, the steam can flow through the first through hole of the elastic member, so that the steam can quickly flow from the air inlet to the exhaust outlet, thereby realizing rapid exhaust and further reducing the safety hazards caused by the excessive pressure in the pot body. In addition, the exhaust passage can buffer the gas discharged from the air inlet, reduce the flow rate of the gas discharged from the exhaust outlet, and improve the stability of the exhaust valve.

[0008] In a possible design, the elastic member comprises a body and a mounting portion connected with the body, the body is located at the outer periphery of the mounting portion, the mounting portion is connected with the valve core, and the first through hole is arranged on the body.

[0009] In this scheme, the mounting portion of the elastic member is directly connected with the valve core, so that the valve core can be driven to move by the elastic member, ensuring that the valve core can block the air inlet and form a stable high-sealing contact to effectively prevent gas leakage. When the pressure in the container body is too large, the valve core drives the mounting portion to move upward under the action of steam, and the body is elastically deformed. Since the body is located at the outer periphery of the mounting portion, the force between the mounting portion and the body is uniform, thereby improving the reliability of the movement of the valve core connected with the mounting portion in the height direction of the exhaust valve.

[0010] In a possible design, the valve core is spherical, and the mounting portion is arc-shaped and wraps at least part of the structure of the valve core.

[0011] In this scheme, when the arc-shaped mounting portion wraps at least part of the valve core, the valve core can be embedded in the mounting portion, the connection area between the mounting portion and the valve core is large, the connection reliability of the two is improved, and the risk of disconnection between the mounting portion and the valve core during the movement of the valve core in the height direction of the exhaust valve is prevented, so that the valve core can quickly open or block the air inlet.

[0012] In a possible design, the body is annular, and the first through holes are arranged at intervals in the circumferential direction of the exhaust valve and extend in the radial direction of the exhaust valve.

[0013] In this scheme, the plurality of through holes on the annular body, which are arranged at intervals in the circumferential direction of the exhaust valve and extend in the radial direction of the exhaust valve, further increase the gas pressure relief path. When the first through holes extend in the radial direction of the exhaust valve, the first through holes are in the shape of a long strip as a whole, so that the gas at all places in the radial direction of the exhaust passage can flow through the first through holes, improving the exhaust efficiency and further achieving rapid pressure relief of the cooking container to prevent safety accidents. In addition, when the elastic member is arranged with a plurality of first through holes at intervals, the elastic deformation of the elastic member can be promoted, so that the movement of the valve core in the height direction of the exhaust valve is more sensitive, and the response speed of the exhaust valve is improved.

[0014] In a possible design, the body is further provided with a second through hole, the second through hole is located on the side of the first through hole away from the mounting portion and communicates with the first through hole, and the cross-sectional area of the second through hole is greater than that of the first through hole.

[0015] In the scheme, the first through hole in the long strip shape can make the elastic deformation of the elastic member better, and the second through hole with a larger cross-sectional area can make the cross-sectional area of the gas flow larger, thereby further promoting the steam flow to the exhaust port. In addition, when the gas passes through the first through hole and the second through hole, the elastic member will vibrate, and when the cross-sectional area of the second through hole is larger, the vibration of the elastic member can be reduced, thereby reducing the vibration of the mounting portion and the valve core connected with the mounting portion, improving the stability and reliability of the movement of the valve core along the height direction of the exhaust valve, and improving the stability of the opening or blocking of the exhaust port of the exhaust valve.

[0016] In a possible design, the elastic member further comprises an extension portion located at the outer periphery of the body, and the extension portion is fixedly connected with the valve body.

[0017] In the scheme, the mounting portion is fixedly connected with the valve body, so that the elastic member is installed on the valve body through one end away from the mounting portion, and the elastic member can deform with the fixed extension portion as the fulcrum. Since the distance between the mounting portion and the extension portion is large, the distance of the movement of the mounting portion along the height direction is large when the elastic member deforms, thereby being able to block or open the exhaust port.

[0018] In a possible design, the valve core is made of ceramic material.

[0019] In the scheme, the ceramic is a material resistant to corrosion, high temperature and wear, which can withstand high-temperature steam, corrosive food residues and high-frequency opening and closing and vibration during long-term use. In addition, the ceramic valve core has a smooth surface and is not easy to stick with grease, preventing the grease from sticking to the sealing part of the inlet port and the valve core, thereby affecting normal use.

[0020] In a possible design, the valve body comprises a base and a valve cover which are detachably connected, the elastic member is installed on the base and / or the valve cover, the base and the valve cover enclose the exhaust passage, the inlet port is arranged on the base, and the exhaust port is arranged on the valve cover.

[0021] In the scheme, the valve body comprises a base and a valve cover which are detachably connected, facilitating the installation and replacement of the elastic member and the valve core. In addition, the diameter of the exhaust passage enclosed by the base and the valve cover is larger than the diameter of the inlet port, which can effectively buffer the gas discharged from the inlet port.

[0022] In a possible design, the base is provided with a third through hole.

[0023] In the scheme, the third through hole penetrates the surface of the base close to the cover body, and the lower surface of the base abuts against the cover body. The liquid entering the exhaust passage will flow into the third through hole, and the liquid in the third through hole directly contacts the high-temperature cover body, so that the liquid quickly becomes steam and is discharged through the exhaust port, preventing too much liquid from accumulating in the exhaust passage and causing safety hazards.

[0024] A second aspect of this application provides a cooking container lid, the cooking container lid comprising;

[0025] Cover;

[0026] Exhaust valve;

[0027] The exhaust valve is located on the cover.

[0028] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit this application. Attached Figure Description

[0029] Figure 1 A partial cross-sectional schematic diagram of the exhaust valve cooking container lid provided in this application in a specific embodiment;

[0030] Figure 2 for Figure 1 Schematic diagram of the structure of the valve body and elastic element;

[0031] Figure 3 for Figure 2 A schematic diagram of the structure of the elastic element.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1-Exhaust valve;

[0034] 11-Valve body;

[0035] 111 - Base;

[0036] 1111 - Air Intake;

[0037] 1112 - Card slot;

[0038] 1113 - Third through hole;

[0039] 112-Valve cover;

[0040] 1121 - Exhaust port;

[0041] 1122-Connecting part;

[0042] 12-Valve core;

[0043] 13-Elastic component;

[0044] 131-Ontology;

[0045] 1311 - First through hole;

[0046] 1312 - Second through hole;

[0047] 132 - Installation Department;

[0048] 133 - Extension;

[0049] 14 - Exhaust passage;

[0050] 2-Cap;

[0051] The accompanying drawings, which are incorporated in and form part of this specification, illustrate symbols.

[0052] The embodiments described herein, together with the specification, are used to explain the principles of this application. Detailed Implementation

[0053] To better understand the technical solution of this application, the embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0054] It should be understood that the described embodiments are merely some, not all, of the embodiments in this application. All other embodiments obtained by those skilled in the art based on the embodiments in this application without inventive effort are within the scope of protection of this application.

[0055] The terminology used in the embodiments of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The singular forms “a,” “the,” and “the” used in the embodiments of this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise.

[0056] It should be understood that the term "and / or" used in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0057] This application provides a cooking container lid, which can be any cooking container lid with a vent valve 1. This application describes the cooking container lid as a pressure cooker lid as an example. The vent valve 1 can be a pressure relief valve, a safety valve, or other valve used for venting. In this application, the embodiment of the vent valve 1 is described as a safety valve.

[0058] In one specific embodiment, such as Figure 1 As shown, the cooking container lid includes a lid body 2 and an exhaust valve 1, with the exhaust valve 1 located on the lid body 2.

[0059] Specifically, such as Figure 1 As shown, the exhaust valve 1 includes a valve body 11, a valve core 12, and an elastic element 13. An exhaust channel 14 is provided inside the valve body 11. The exhaust channel 14 has an air inlet 1111 and an exhaust outlet 1121, and the exhaust outlet 1121 is connected to the outside. When the cooking container lid is closed on the container body, the air inlet 1111 is connected to the inner cavity of the container body.

[0060] The valve core 12 is movably disposed within the exhaust passage 14, and the elastic element 13 is installed inside the valve body 11, with a first through hole 1311 penetrating the surface of the elastic element 13. Along the height direction of the exhaust valve 1, the elastic element 13 is disposed on the side of the valve core 12 opposite to the air inlet 1111, and is connected to the valve core 12 to drive the valve core 12 to move along the height direction of the exhaust valve 1, thereby opening or closing the air inlet 1111.

[0061] In this embodiment, when the cooking container lid is closed and the pressure is greater than the preset pressure of the exhaust valve 1, the steam inside the pot pushes up the valve core 12, positioning it in the open air inlet 1111 position. The steam inside the pot enters the exhaust channel 14 through the air inlet 1111, and the steam in the exhaust channel 14 is discharged from the exhaust port 1121, reducing the pressure inside the pot and preventing excessive pressure from causing a safety accident. When the valve core 12 is pushed up, it can compress the elastic element 13, causing it to deform. When the pressure inside the pot decreases below the preset pressure, the elastic force of the elastic element 13 can press the valve core 12 tightly against the air inlet 1111, thereby improving the reliability of sealing the air inlet 1111 and preventing air leakage from the exhaust valve 1 during cooking from affecting the cooking progress.

[0062] During the exhaust process, steam can flow through the first through hole 1311 of the elastic element 13, allowing steam to flow quickly from the air inlet 1111 to the exhaust port 1121, thereby achieving rapid exhaust and further reducing the safety hazards caused by excessive pressure inside the pot. In addition, the exhaust channel 14 can buffer the gas discharged from the air inlet 1111, reduce the flow rate of the gas when it is discharged through the exhaust port 1121, and improve the stability of the exhaust valve 1.

[0063] In one specific embodiment, such as Figure 1 As shown, the elastic element 13 includes a body 131 and a mounting portion 132 connected to the body 131. The body 131 is located on the outer periphery of the mounting portion 132. The mounting portion 132 is connected to the valve core 12 and a first through hole 1311 is provided in the body 131.

[0064] In this embodiment, the mounting portion 132 of the elastic element 13 is directly connected to the valve core 12, thereby enabling the valve core 12 to move through the elastic element 13. This ensures that the valve core 12 can block the air inlet 1111 and form a stable, highly sealed contact, effectively preventing gas leakage. When the pressure inside the container is too high, the valve core 12, under the action of steam, drives the mounting portion 132 to move upward, causing the body 131 to undergo elastic deformation. Since the body 131 is located on the outer periphery of the mounting portion 132, the force between the mounting portion 132 and the body 131 is more uniform, thereby improving the reliability of the valve core 12 connected to the mounting portion 132 moving along the height direction of the exhaust valve 1.

[0065] The mounting part and the valve core can abut against each other or be fixedly connected, such as by adhesive bonding. This application does not specify the connection method between the mounting part and the valve core.

[0066] In one specific embodiment, such as Figure 1 As shown, the valve core 12 is spherical, and the mounting part 132 is arc-shaped and wraps around at least a portion of the valve core 12.

[0067] In this embodiment, when the arc-shaped mounting portion 132 encloses at least a portion of the valve core 12, the valve core 12 can be embedded in the mounting portion 132, making the connection area between the mounting portion 132 and the valve core 12 larger, improving the connection reliability between the two, and preventing the risk of the mounting portion 132 and the valve core 12 disengaging during the movement of the valve core 12 along the height direction of the exhaust valve 1, thereby enabling the valve core 12 to quickly open or block the air inlet 1111.

[0068] The central angle range of the mounting part 132 enclosing the valve core 12 can be greater than 180°, thereby further preventing the mounting part 132 from detaching from the valve core 12.

[0069] In some embodiments, the valve core 12 may be located within the receiving space enclosed by the mounting portion 132, or the valve core 12 and the mounting portion 132 may be fixedly connected, for example, by bonding.

[0070] In one specific embodiment, such as Figure 1 , Figure 2 As shown, the body 131 of the elastic element 13 is annular, and the annular body 131 is connected to the outer periphery of the mounting portion 132. The first through holes are spaced apart circumferentially along the exhaust valve 1 and extend radially along the exhaust valve 1.

[0071] In this embodiment, the multiple through holes on the annular body 131, spaced apart circumferentially along the exhaust valve 1 and extending radially along the exhaust valve 1, further increase the gas pressure relief path. When the first through hole 1311 extends radially along the exhaust valve 1, it becomes elongated, allowing gas to flow through the exhaust channel 14 radially, improving exhaust efficiency and enabling rapid pressure relief of the cooking container to prevent safety accidents. Furthermore, the spaced arrangement of multiple first through holes 1311 on the elastic element 13 promotes elastic deformation, making the movement of the valve core 12 along the height direction of the exhaust valve 1 more sensitive and improving the response speed of the exhaust valve 1.

[0072] In one specific embodiment, such as Figure 1 , Figure 2As shown, the main body 131 is also provided with a second through hole 1312. The second through hole 1312 is located on the side of the first through hole 1311 away from the mounting part 132 and communicates with the first through hole 1311. The cross-sectional area of ​​the second through hole 1312 is larger than the cross-sectional area of ​​the first through hole 1311.

[0073] In this embodiment, the elongated first through-hole 1311 allows for better elastic deformation of the elastic element 13. Simultaneously, the larger cross-sectional area of ​​the second through-hole 1312 increases the gas flow area, further promoting steam flow to the exhaust port 1121. Furthermore, since the elastic element 13 vibrates when gas passes through the first and second through-holes 1311 and 1312, a larger cross-sectional area of ​​the second through-hole 1312 reduces the vibration of the elastic element 13. This reduces the vibration of the mounting portion 132 and the valve core 12 connected to it, improving the stability and reliability of the valve core 12's movement along the height direction of the exhaust valve 1, and enhancing the stability of the exhaust valve 1 in opening or blocking the exhaust port 1121.

[0074] Furthermore, compared to a spring, the elastic element 13 in this embodiment has a more stable structure, making the movement of the valve core 12 more stable. Moreover, the elastic element 13 in this embodiment can have its elastic coefficient changed by altering the size, position, and number of the first through hole 1311 and the second through hole 1312, thereby allowing the exhaust valve 1 to have different exhaust pressures and be used in different scenarios. For example, when the exhaust valve 1 is a safety valve, the elastic coefficient of the elastic element 13 can be greater than when the exhaust valve 1 is a pressure relief valve.

[0075] The second through hole 1312 can be a round hole, thereby further improving the stability of the steam flow.

[0076] exist Figure 1 In the embodiment shown, the elastic element 13 is located between the air inlet 1111 and the exhaust outlet 1121, that is, the elastic element 13 separates the air inlet 1111 and the exhaust outlet 1121, so that the air inlet 1111 and the exhaust outlet 1121 are connected through the first through hole 1311 and the second through hole 1312 provided in the elastic element 13.

[0077] In one specific embodiment, such as Figure 1 As shown, the elastic member 13 includes an extension 133 located on the outer periphery of the body 131. The extension 133 is fixedly connected to the valve body 11, so that the elastic member 13 is mounted on the valve body 11 at one end away from the mounting part 132, so that the elastic member 13 can deform with the fixed extension 133 as the fulcrum. Since the distance between the mounting part 132 and the extension 133 is large, the mounting part 132 moves a large distance in the height direction when the elastic member 13 deforms, thereby blocking or opening the exhaust port 1121.

[0078] Specifically, by providing an extension 133 on the outer periphery of the body 131 of the elastic member 13, the extension 133 extends into the groove inside the valve body 11 and connects with the valve body 11, thereby restricting the displacement of the elastic member 13 and improving the stability of the elastic member 13 when it is fixed to the valve body 11.

[0079] In one specific embodiment, such as Figure 1 , Figure 2 As shown, the valve body 11 includes a detachably connected base 111 and a valve cover 112. An elastic element 13 is mounted on the base 111 and / or the valve cover 112. The base 111 and the valve cover 112 form an exhaust channel 14. The air inlet 1111 penetrates the surface of the base 111 that contacts the cover 2, and the exhaust outlet 1121 penetrates the surface of the valve cover 112 that is away from the base 111. In one embodiment, the extension 133 of the elastic element 13 is mounted on the base 111. In another embodiment, the extension 133 of the elastic element 13 is mounted on the valve cover 112. In yet another embodiment, the extension 133 of the elastic element 13 is mounted on both the valve cover 112 and the base 111.

[0080] In this embodiment, the valve body 11 includes a detachably connected base 111 and valve cover 112, which facilitates the installation and replacement of the elastic element 13 and the valve core 12. The diameter of the exhaust channel 14 formed by the base 111 and the valve cover 112 is larger than the diameter of the air inlet 1111, which can effectively buffer the gas discharged from the air inlet 1111.

[0081] In one specific embodiment, such as Figure 1 As shown, the valve cover 112 is provided with a snap-fit ​​part 1122, and the base 111 is provided with a snap-fit ​​groove 1112. The valve cover 112 and the base 111 are snapped together by the snap-fit ​​part 1122 and the snap-fit ​​groove 1112.

[0082] In this embodiment, the valve cover 112 and the base 111 are connected by the slot 1112 and the snap-fit ​​part 1122, which can ensure the reliability and stability of the installation of the valve cover 112 and the base 111, and facilitate disassembly and installation.

[0083] In one specific embodiment, the base 111 is further provided with a third through hole 1113. There may be one or more third through holes 1113, and this application does not limit the number of third through holes 1113.

[0084] In this embodiment, the third through hole 1113 penetrates the surface of the base 111 near the cover 2. The lower surface of the base 111 abuts against the cover 2. The liquid entering the exhaust channel 14 will flow into the third through hole 1113. The liquid in the third through hole 1113 comes into direct contact with the high temperature cover 2, causing the liquid to quickly turn into steam and be discharged through the exhaust port 1121, preventing excessive liquid accumulation in the exhaust channel 14 from causing safety hazards.

[0085] In all the above embodiments, the valve core 12 is made of ceramic material.

[0086] In this embodiment, ceramic is a corrosion-resistant, high-temperature-resistant, and wear-resistant material. During long-term use, it can withstand high-temperature steam, corrosive food residue, and high-frequency switching and vibration. In addition, the surface of the ceramic valve core 12 is smooth and does not easily stick to grease, preventing the air inlet 1111 from being stuck to the valve core 12 seal with grease, which would affect normal use.

[0087] The above descriptions are merely specific implementations of the embodiments of this application, but the protection scope of the embodiments of this application is not limited thereto. Any changes or substitutions within the technical scope disclosed in the embodiments of this application should be covered within the protection scope of the embodiments of this application. Therefore, the protection scope of the embodiments of this application should be determined by the protection scope of the claims.

Claims

1. An exhaust valve, characterized in that, The exhaust valve (1) includes: The valve body (11) is provided with an exhaust passage (14), which has an air inlet (1111) and an exhaust outlet (1121), and the exhaust outlet (1121) is connected to the outside. Valve core (12), which is movably disposed within the exhaust passage (14); An elastic element (13) is mounted on the valve body (11), and the elastic element (13) has a first through hole (1311) penetrating the elastic element (13); Along the height direction of the exhaust valve (1), the elastic element (13) is located on the side of the valve core (12) away from the air inlet (1111), and the elastic element (13) is connected to the valve core (12) to drive the valve core (12) to move along the height direction of the exhaust valve (1) to open or block the air inlet (1111).

2. The exhaust valve according to claim 1, characterized in that, The elastic element (13) includes a body (131) and a mounting part (132) connected to the body (131). The body (131) is located on the outer periphery of the mounting part (132). The mounting part (132) is connected to the valve core (12). The first through hole (1311) is provided in the body (131).

3. The exhaust valve according to claim 2, characterized in that, The valve core (12) is spherical, and the mounting part (132) is arc-shaped and encloses at least part of the structure of the valve core (12).

4. The exhaust valve according to claim 2, characterized in that, The body (131) is annular, and a plurality of first through holes (1311) are arranged circumferentially along the exhaust valve (1) and extend radially along the exhaust valve (1).

5. The exhaust valve according to claim 2, characterized in that, The main body (131) is also provided with a second through hole (1312), which is located on the side of the first through hole (1311) away from the mounting part (132) and communicates with the first through hole (1311). The cross-sectional area of ​​the second through hole (1312) is larger than the cross-sectional area of ​​the first through hole (1311).

6. The exhaust valve according to claim 2, characterized in that, The elastic element (13) also includes an extension (133) located on the outer periphery of the body (131), the extension (133) being fixedly connected to the valve body (11).

7. The exhaust valve according to any one of claims 1 to 6, characterized in that, The valve core (12) is made of ceramic material.

8. The exhaust valve according to any one of claims 1 to 6, characterized in that, The valve body (11) includes a detachably connected base (111) and a valve cover (112), the elastic element (13) is installed on the base (111) and / or the valve cover (112), the base (111) and the valve cover (112) form the exhaust channel (14), the air inlet (1111) is disposed on the base (111), and the exhaust outlet (1121) is disposed on the valve cover (112).

9. The exhaust valve according to claim 8, characterized in that, The base (111) is provided with a third through hole (1113).

10. A cooking container lid, characterized in that, The cooking container lid includes: Cover (2); Exhaust valve (1); The exhaust valve (1) is disposed on the cover (2), and the exhaust valve (1) is the exhaust valve (1) according to any one of claims 1 to 9.

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