A pot lid that can automatically close the vent valve

By designing a lid that automatically closes the exhaust valve, and utilizing the transmission connection of levers and toggle blocks, combined with a top rod and guide surface, the exhaust valve is automatically reset and closed, solving the problem of users forgetting to manually reset it and improving the safety of using the electric pressure cooker.

CN224268956UActive Publication Date: 2026-05-26ZHONGSHAN ZHUOKE ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONGSHAN ZHUOKE ELECTRIC CO LTD
Filing Date
2025-06-13
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

The exhaust valve of existing electric pressure cookers needs to be manually reset and closed, which users may easily forget, posing a safety hazard.

Method used

Design a pot lid that automatically closes the exhaust valve. Through the transmission connection of lever and toggle block, combined with top rod and guide surface, the exhaust valve can be automatically reset and closed. When the lid is placed on the pot body, the top rod pushes the toggle block forward, disengaging from the lever to achieve automatic closure of the exhaust valve.

Benefits of technology

The system automatically closes the exhaust valve if the user forgets to manually reset it, improving safety.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224268956U_ABST
    Figure CN224268956U_ABST
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Abstract

This utility model relates to the field of pot lid technology, specifically a pot lid capable of automatically closing the exhaust valve. The lid has an exhaust valve and a lever, with a lever connecting the exhaust valve and the lever. The lever is operatively connected to both the exhaust valve and the lever. The lever has a first guide surface, and a push rod is located inside the lid, below the first guide surface. When the lever moves backward, its front end slides and presses the right end of the lever, causing it to rotate. This causes the left end of the lever to lift and open the exhaust valve, allowing the first guide surface to move above the push rod. When the lid is placed on the pot, the lower end of the push rod abuts against the pot, causing the push rod to move upward and abut against the first guide surface, pushing the lever forward. This disengages the front end of the lever from the right end of the lever, allowing the exhaust valve to reset and close. Even if the user forgets to manually reset the exhaust valve, placing the lid on the pot will automatically reset and close the exhaust valve, ensuring user safety during use.
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Description

Technical Field

[0001] This utility model relates to the field of pot lid technology, and in particular to a pot lid that can automatically close the exhaust valve. Background Technology

[0002] An electric pressure cooker is a type of kitchen appliance. Due to its advantages such as good cooking effect, speed, and energy saving, electric pressure cookers have entered thousands of households and become one of the essential kitchen appliances. After cooking, users can manually operate the pressure release valve to quickly release the pressure inside the pot, ensuring safe and fast cooking.

[0003] For example, patent CN217592544U discloses a cooking appliance that can switch between the functions of an electric pressure cooker and a rice cooker, comprising: an outer pot, an inner pot disposed inside the outer pot, a lid disposed at the opening of the outer pot, an exhaust valve and a lever disposed on the lid, a lever disposed between the exhaust valve and the lever, one end of the lever being disposed at the bottom end of the exhaust valve, the other end of the lever being disposed at the bottom end of the lever, a slider disposed on the lever, when the slider slides and presses against one end of the lever, the other end of the lever lifts up and opens the exhaust valve; when the slider slides away from one end of the lever, the other end of the lever moves away from the bottom end of the exhaust valve, and the exhaust valve falls down and closes.

[0004] The problem with the above technology is that the exhaust valve on the lid can be opened by sliding the lever with a toggle, but it needs to be manually reset to close. Users may forget to manually reset the toggle, leaving the exhaust valve in the open position, which poses a certain danger when using an electric pressure cooker.

[0005] To address this issue, a pot lid capable of automatically closing the exhaust valve is proposed. Utility Model Content

[0006] To solve the above-mentioned technical problems, the purpose of this utility model is to provide a pot lid that can automatically close the exhaust valve when the pot lid is placed.

[0007] The technical solution adopted by this utility model to solve the problem is: a pot lid that can automatically close the exhaust valve, including a lid body, on which an exhaust valve and a lever that can move back and forth are movably disposed, and a lever is disposed between the exhaust valve and the lever. The left and right ends of the lever are respectively drivenly connected to the exhaust valve and the front end of the lever. A first guide surface is disposed at the rear end of the lever. A vertically movable top rod is elastically disposed inside the lid body. The top rod is located below the first guide surface, and the lower end of the top rod extends to the outside of the lid body. When the lever moves backward, the front end of the lever can slide and squeeze the right end of the lever and make it rotate, so that the left end of the lever lifts up and opens the exhaust valve, and the first guide surface moves above the top rod.

[0008] As a further improvement to the above technical solution, the rear end of the lever is provided with a downwardly extending protrusion, and the first guide surface is disposed on the protrusion.

[0009] As a further improvement to the above technical solution, the cover body is provided with an installation groove that communicates with the outside, the top rod is movably disposed in the installation groove, and a spring is sleeved on the top rod, the spring being located in the installation groove.

[0010] As a further improvement to the above technical solution, the front end of the lever is provided with a second guide surface, which is located above the right end of the lever.

[0011] As a further improvement to the above technical solution, a mounting plate is provided below the toggle block, a limit groove is provided on the mounting plate, a limit block is provided on the toggle block, and the limit block is located in the limit groove.

[0012] As a further improvement to the above technical solution, a first bearing seat is provided inside the cover body, and a second bearing seat is provided on the mounting plate. The first bearing seat and the second bearing seat are respectively provided on the front and rear sides of the lever. A shaft is provided on the lever, and the shaft is rotatably connected to the first bearing seat and the second bearing seat.

[0013] The beneficial effects of this utility model are as follows: When the lever moves backward, the front end of the lever can slide and squeeze the right end of the lever and make it rotate, so that the left end of the lever will lift and open the exhaust valve. The first guide surface can move above the top rod. When the cover is placed on the pot, the lower end of the top rod can abut against the pot, so that the top rod moves upward and abuts against the first guide surface and pushes the lever forward, so that the front end of the lever is disengaged from the right end of the lever. At this time, the exhaust valve can be reset and closed. If the user forgets to manually reset the exhaust valve, the exhaust valve can also be reset and closed when the cover is placed on the pot, which can ensure the safety of the user during use. Attached Figure Description

[0014] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0015] Figure 1 This is a structural diagram of the pot lid of this utility model;

[0016] Figure 2 This is a diagram showing the internal structure of the pot lid of this utility model;

[0017] Figure 3 for Figure 2 A magnified view of part A;

[0018] Figure 4 This is a front view of the pot lid of this utility model;

[0019] Figure 5 for Figure 4 A cross-sectional view of section AA;

[0020] Figure 6 for Figure 5 A magnified view of part B;

[0021] Figure 7 This is a structural diagram of the lever and the push block of this utility model.

[0022] In the figure: 1-cover, 11-mounting groove, 12-first shaft seat, 2-pull block, 21-first guide surface, 22-protrusion, 23-second guide surface, 24-limiting block, 3-lever, 31-shaft rod, 4-top rod, 41-spring, 5-mounting plate, 51-limiting groove, 52-second shaft seat, 6-exhaust valve. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0024] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is for distinguishing technical features only and should not be construed as indicating or implying relative importance, the quantity of indicated technical features, or the order of the indicated technical features. In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installing," and "connecting" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of these terms in this utility model based on the specific content of the technical solution.

[0026] Reference Figures 1 to 7 A pot lid capable of automatically closing the exhaust valve includes a lid body 1, on which an exhaust valve 6 and a lever 2 capable of moving back and forth are movably disposed. A lever 3 is disposed between the exhaust valve 6 and the lever 2. The left and right ends of the lever 3 are respectively connected to the front ends of the exhaust valve 6 and the lever 2. A first guide surface 21 is disposed at the rear end of the lever 2. A top rod 4 capable of vertical movement is elastically disposed inside the lid body 1. The top rod 4 is located below the first guide surface 21, and the lower end of the top rod 4 extends to the outside of the lid body 1.

[0027] When the lever 2 moves backward, the front end of the lever 2 can slide and squeeze the right end of the lever 3 and make it rotate, so that the left end of the lever 3 will lift and open the exhaust valve 6, and the first guide surface 21 moves above the top rod 4.

[0028] When the lid 1 is placed on the pot body, the lower end of the push rod 4 can abut against the pot body, thereby causing the push rod 4 to move upward and abut against the first guide surface 21, pushing the lever 2 forward, so that the front end of the lever 2 disengages from the right end of the lever 3. At this time, the exhaust valve 6 can be reset and closed. If the user forgets to manually reset the exhaust valve 6, when the lid 1 is placed on the pot body, the exhaust valve 6 can also be reset and closed, which can ensure the safety of the user during use.

[0029] In a preferred embodiment, the rear end of the lever 2 is provided with a downwardly extending protrusion 22, and the first guide surface 21 is provided on the protrusion 22.

[0030] In a preferred embodiment, the cover 1 is provided with an installation groove 11 that communicates with the outside. The top rod 4 is movably disposed in the installation groove 11. A spring 41 is sleeved on the top rod 4. The spring 41 is located in the installation groove 11. When the cover 1 is separated from the pot body, the spring 41 can reset the top rod 4.

[0031] In a preferred embodiment, the front end of the lever 2 is provided with a second guide surface 23, which is located above the right end of the lever 3. The lever 3 is slidably squeezed by the second guide surface 23 to rotate.

[0032] In a preferred embodiment, in order to limit the moving distance of the toggle block 2, an installation plate 5 is provided below the toggle block 2, a limit groove 51 is provided on the installation plate 5, and a limit block 24 is provided on the toggle block 2, with the limit block 24 located in the limit groove 51.

[0033] In a preferred embodiment, a first bearing seat 12 is provided inside the cover 1, and a second bearing seat 52 is provided on the mounting plate 5. The first bearing seat 12 and the second bearing seat 52 are respectively provided on the front and rear sides of the lever 3. A shaft 31 is provided on the lever 3, and the shaft 31 is rotatably connected to the first bearing seat 12 and the second bearing seat 52.

[0034] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the inventive concept of this utility model and the contents of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A pot lid capable of automatically closing the exhaust valve, characterized in that: Includes a cover (1), on which an exhaust valve (6) and a lever (2) capable of moving back and forth are movably arranged. A lever (3) is arranged between the exhaust valve (6) and the lever (2). The left and right ends of the lever (3) are respectively connected to the front ends of the exhaust valve (6) and the lever (2). A first guide surface (21) is provided at the rear end of the lever (2). A top rod (4) capable of moving vertically is elastically arranged inside the cover (1). The top rod (4) is located below the first guide surface (21). The lower end of the top rod (4) extends to the outside of the cover (1). When the lever (2) moves backward, the front end of the lever (2) can slide and squeeze the right end of the lever (3) and make it rotate, so that the left end of the lever (3) lifts up and opens the exhaust valve (6), and the first guide surface (21) moves above the top rod (4).

2. A pot lid capable of automatically closing the exhaust valve as described in claim 1, characterized in that: The rear end of the push block (2) is provided with a downwardly extending protrusion (22), and the first guide surface (21) is provided on the protrusion (22).

3. A pot lid capable of automatically closing the exhaust valve as described in claim 2, characterized in that: The cover (1) is provided with an installation groove (11) that communicates with the outside. The top rod (4) is movably disposed in the installation groove (11). A spring (41) is sleeved on the top rod (4) and the spring (41) is located in the installation groove (11).

4. A pot lid capable of automatically closing the exhaust valve as described in claim 3, characterized in that: The front end of the lever (2) is provided with a second guide surface (23), which is located above the right end of the lever (3).

5. A pot lid capable of automatically closing the exhaust valve as described in claim 4, characterized in that: A mounting plate (5) is provided below the toggle block (2), and a limiting groove (51) is provided on the mounting plate (5). A limiting block (24) is provided on the toggle block (2), and the limiting block (24) is located in the limiting groove (51).

6. A pot lid capable of automatically closing the exhaust valve as described in claim 5, characterized in that: The cover (1) is provided with a first bearing seat (12), and the mounting plate (5) is provided with a second bearing seat (52). The first bearing seat (12) and the second bearing seat (52) are respectively provided on the front and rear sides of the lever (3). The lever (3) is provided with a shaft (31), and the shaft (31) is rotatably connected to the first bearing seat (12) and the second bearing seat (52).

Citation Information

Patent Citations

  • Cooking utensil capable of switching functions of electric pressure cooker or electric cooker

    CN217592544U