Cooking appliance

Abstract

The utility model provides a kind of cooking utensil, including pot body, cover, first locking piece, second locking piece, transmission part and driving part. First locking piece moves between first unlocking position and first locking position along first transverse direction under the driving force of driving part. Second locking piece moves between second unlocking position, intermediate position and second locking position along second transverse direction under the driving force of driving part. In the state that cover covers pot body, when driving part is moved from rest position to first actuating position by external force, first locking piece moves from first locking position to first unlocking position, and second locking piece moves from second locking position to intermediate position. When driving part is moved from first actuating position to second actuating position by external force, first locking piece remains in first unlocking position, and second locking piece moves from intermediate position to second unlocking position. One driving part can control the step unlocking of two locking pieces according to preset logic.

Description

Technical Field

[0001] This utility model relates to a cooking utensil. Background Technology

[0002] Traditional cooking appliances, such as rice cookers and pressure cookers, typically have a pot lid locking mechanism and a shell lid locking mechanism to ensure a stable lock during use. These mechanisms often require separate operation via two different control components. For example, one button or knob controls the locking and unlocking of the pot lid, while another controls the locking and unlocking of the shell lid. Users must operate two different control components to lock and unlock both lids, increasing complexity and tediousness. Users also need to remember the sequence of operation for multiple components and perform two or more independent operations, making the process cumbersome and lacking in convenience and intuitiveness.

[0003] After pressure cooking is completed, a large amount of high-temperature, high-pressure steam accumulates in the cooking cavity. If the locking mechanism between the lid and the inner pot, and between the lid and the outer shell, is released simultaneously or nearly simultaneously, the lid will be suddenly ejected under the internal pressure, causing steam to splash or the lid to pop open, creating a safety hazard.

[0004] Therefore, there is a need to provide a cooking appliance that can at least partially solve the above problems. Utility Model Content

[0005] The utility model description section introduces a series of simplified concepts, which will be further explained in detail in the detailed description section. This utility model description section is not intended to limit the key features and essential technical features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.

[0006] To at least partially solve the above problems, the first aspect of this utility model provides a cooking utensil, comprising:

[0007] A pot body, the pot body comprising a shell and a pot interior located within the shell;

[0008] A lid, which is foldably disposed on the pot body;

[0009] A driving member is movably disposed on the cover body. The driving member is used to receive an external force applied by the user and can move between a resting position, a first actuation position and a second actuation position under the action of the external force. The resting position, the first actuation position and the second actuation position are arranged sequentially in the vertical direction.

[0010] A first locking member is tractively connected to the driving member, and the driving member is capable of driving the first locking member to move along a first lateral direction between a first unlocked position that unlocks the inner pot and a first locked position that defines the relative position of the inner pot and the lid, wherein the first lateral direction is substantially perpendicular to the vertical direction; and

[0011] The second locking member is connected to the driving member in a transmission manner. The driving member can drive the second locking member to move along the second lateral direction between the second unlocking position of unlocking the housing and the second locking position of locking the housing. There is an intermediate position between the second unlocking position and the second locking position. The second lateral direction is approximately perpendicular to the vertical direction.

[0012] In the state where the lid covers the pot body, when the driving member is moved from the resting position to the first actuation position by the external force, the first locking member moves from the first locked position to the first unlocked position, and the second locking member moves from the second locked position to the intermediate position.

[0013] During the process of the drive member being moved from the first actuation position to the second actuation position by the external force, the first locking member remains in the first unlocking position, and the second locking member moves from the intermediate position to the second unlocking position.

[0014] According to this solution, the user only needs to operate one drive component to control the first and second locking components according to preset logic. This solution employs a step-by-step unlocking mechanism. When the drive component moves from the resting position to the first actuated position, the first locking component first releases its lock on the inner pot, allowing some pressure to be released or the sealing connection to be broken between the inner pot and the lid, effectively reducing internal pressure. Subsequently, when the drive component continues to move to the second actuated position, the second locking component completely releases its lock on the outer shell. This step-by-step control logic prevents the lid from being suddenly pushed open under high pressure, improving safety.

[0015] Optionally, the driving member is provided with a third inclined surface and a fifth inclined surface spaced apart along the vertical direction, both the third and fifth inclined surfaces being inclined relative to the second transverse direction and the vertical direction; wherein, in the closed state of the cover: during the process of the driving member moving from the resting position to the first actuation position, the third inclined surface can contact the second locking member and push the second locking member towards the middle position; during the process of the driving member moving from the first actuation position to the second actuation position, the fifth inclined surface can contact the second locking member and push the second locking member towards the second unlocking position. According to this solution, by setting the third and fifth inclined surfaces, the driving member pushes the second locking member in stages during the movement, first moving from the second locked position to the middle position, and then moving from the middle position to the second unlocking position, thus achieving orderly unlocking.

[0016] Optionally, the second locking member is provided with a fourth inclined surface, which is inclined relative to both the second lateral direction and the vertical direction. During the movement of the driving member from the resting position to the second actuated position, the fourth inclined surface can contact the driving member and push the second locking member towards the second unlocked position. According to this solution, the fourth inclined surface contacts the driving member, converting the vertical movement of the driving member into the lateral movement of the second locking member, thus assisting the second locking member in moving to the second unlocked position.

[0017] Optionally, the cover body is further provided with a second elastic element, which is used to apply a force to the second locking member to move toward the second locked position. According to this solution, the second elastic element ensures that the second locking member has a stable locking tendency.

[0018] Optionally, the second locking member further includes an additional position located between the second locked position and the second unlocked position; when the external force applied to the drive member is removed, the second locking member moves from the second unlocked position to the additional position, and at least a portion of the drive member is located in the second actuated position. According to this solution, after the cooking appliance is unlocked, the drive member and the second locking member are held in a temporarily stable state and will not immediately relock, making it convenient for the user to open the lid.

[0019] Optionally, the driving member includes a third locking portion, which moves with the driving member along the vertical direction. A third inclined surface is formed on the third locking portion, and a fifth inclined surface is located above the third locking portion. The second locking member includes a fourth locking portion, which moves with the second locking member along the second transverse direction. A fourth inclined surface is formed on the fourth locking portion. When the second locking member is in the additional position and the driving member is in the second actuated position, the third locking portion engages with the fourth locking portion. According to this solution, the engagement of the third locking portion and the fourth locking portion achieves mutual locking between the driving member and the second locking member in the additional position, maintaining the unlocked state.

[0020] Optionally, the housing includes a first locking portion; the second locking member further includes a second locking portion, which moves along the second lateral direction with the second locking member; when the lid covers the pot body, and the second locking member is in the second locked position, the first locking portion engages with the second locking portion. According to this solution, the engagement of the first locking portion and the second locking portion securely locks the lid onto the pot body, ensuring the sealing and safety of the cooking appliance during operation.

[0021] Optionally, when the cover is closed and the first locking part engages with the second locking part, the dimension of the overlapping area of ​​the first locking part and the second locking part along the second lateral direction is L1; when the cover is open and the third locking part and the fourth locking part engage, the dimension of the overlapping area of ​​the third locking part and the fourth locking part along the second lateral direction is L2; ​​the dimension of the fifth inclined surface along the second lateral direction is L3; wherein, L3 > L1 ≥ L2. According to this solution, the dimensional relationship ensures that the driving component can effectively drive the second locking component to fully unlock, avoiding accidental engagement.

[0022] Optionally, the cooking appliance is configured such that, during the contact between the second locking member and the fifth inclined surface, the first locking member is located in the first unlocked position. According to this solution, during the movement of the second locking member, the first locking member remains unlocked, ensuring the unlocking sequence.

[0023] Optionally, the driving component directly drives the first locking member, or first contacts and drives the first locking member to move from the first locked position to the first unlocked position; then the driving component contacts and drives the second locking member to move from the second locked position to the second unlocked position. According to this solution, the driving component sequentially unlocks the first locking member first, then the second locking member, preventing the cover from suddenly opening under high pressure and improving safety.

[0024] Optionally, the cooking appliance further includes a transmission component connected to the first locking member and the driving member, to convert the driving force of the driving member along the vertical direction into a pushing force applied to the first locking member; the second locking member is located on the movement path of the third inclined surface, and the second locking member in the second locking position is spaced apart from the third inclined surface. According to this solution, through the transmission component, the driving member can first drive the first locking member while it is in motion, and through the gap between the second locking member and the third inclined surface, the driving member can then contact and drive the second locking member.

[0025] Optionally, the first locking member includes: a drive frame, tractively connected to the drive member, and moving in a third lateral direction in response to a driving force from the drive member in the first lateral direction, the first lateral direction being substantially perpendicular to the third lateral direction; and a fastening member, connected to the drive frame, capable of moving with the drive frame, the fastening member having a fastening position corresponding to a first locking position of the first locking member and a disengaging position corresponding to a first unlocking position of the first locking member; wherein the fastening member in the fastening position is closer to the center of the pot than the fastening member in the disengaging position. According to this solution, the first locking member achieves radial movement of the fastening member through the drive frame and the fastening member to lock or unlock the pot, ensuring that the locking force acts directly on the edge of the pot.

[0026] Optionally, the two drive frames are spaced apart along the third lateral direction, and the plurality of fastening members are divided into two groups, each group being connected to a corresponding drive frame. Each drive frame is movable along the third lateral direction to move the group of fastening members it is connected to. According to this solution, the two groups of drive frames drive multiple fastening members to move synchronously, ensuring a uniform distribution of locking force and improving operational stability and efficiency.

[0027] Optionally, a first elastic element is provided between the two drive frames. This first elastic element applies a force to the drive frames, causing them to move closer together along the third lateral direction. According to this design, the first elastic element provides a resilient force for the drive frames to reset, ensuring the locking element returns to its stable position.

[0028] Optionally, the first locking member further includes a guide member connected to the transmission member and movable along the first lateral direction to transmit the driving force; the two drive frames are respectively connected to the guide member; when the drive member is operated, it causes the guide member to move along the first lateral direction, thereby driving the two drive frames to move simultaneously or in a preset order along the third lateral direction in opposite directions. According to this solution, the movement of the guide member drives the two drive frames to move in opposite directions, realizing the opening and closing of the locking member.

[0029] Optionally, the transmission component is configured as a rocker arm rotatable relative to the cover about a pivot axis. The rocker arm has a first end and a second end. The first end is slidably connected to the drive component via a first transmission hole, and the second end is slidably connected to the guide component via a second transmission hole. The first transmission hole is configured as a slot or a hole; and / or the second transmission hole is configured as a slot or a hole. According to this solution, the rocker arm converts the vertical motion of the drive component into the lateral motion of the guide component.

[0030] Optionally, the second transmission hole includes a communicating sliding portion and a limiting and retaining portion; when the guide moves within the sliding portion, it drives the first locking member to move; when the guide moves to the limiting and retaining portion and engages with it, the first locking member remains in the first unlocked position. According to this solution, the special structure of the second transmission hole enables the first locking member to be temporarily locked in the unlocked position, ensuring a stable unlocked state.

[0031] Optionally, the limiting and retaining portion is located on the side of the sliding portion away from the rotating shaft, and at least a portion of the limiting and retaining portion is constructed as an arc segment. According to this solution, the arc segment structure of the limiting and retaining portion stabilizes the position of the guide member during movement, ensuring that the first locking member is reliably held in the first unlocked position.

[0032] Optionally, the housing has a first inclined surface, which is inclined relative to both the second lateral direction and the vertical direction. During the closing process of the cover, the first inclined surface can contact the second locking member and push the second locking member towards the second unlocking position; and / or the second locking member has a second inclined surface, which is inclined relative to both the second lateral direction and the vertical direction. During the closing process of the cover, the second inclined surface can contact the second locking member and push the second locking member towards the second unlocking position. According to this solution, the inclined surface structure guides the movement of the second locking member when the cover is closed, achieving automatic locking and simplifying user operation.

[0033] Optionally, the driving member includes a third locking part, which moves with the driving member along the vertical direction; the second locking member includes a fourth locking part, which moves with the second locking member along the second transverse direction; wherein, during the closing of the cover, the first inclined surface and / or the second inclined surface guides the second locking member to move toward the second unlocking position, causing the third locking part to disengage from the fourth locking part. According to this solution, during the closing of the cover, the inclined surface guides the second locking member to move, causing the third locking part to disengage from the fourth locking part, ensuring that the locking member resets when the cover is closed.

[0034] Optionally, the housing includes a first locking portion, with the first inclined surface formed thereon; the second locking member further includes a second locking portion, with the second inclined surface formed thereon. According to this solution, the first and second inclined surfaces are respectively formed in the first and second locking portions, structurally integrated, and assist in guidance and unlocking.

[0035] Optionally, the cover body is further provided with a sixth elastic element, which is used to apply a force to the drive member to move toward the resting position. According to this solution, the sixth elastic element provides an elastic force for the drive member to reset, ensuring that the drive member returns to the resting position when not in operation. Attached Figure Description

[0036] The following drawings, which illustrate embodiments of the present invention, are incorporated herein as part of the present invention for understanding the invention. The drawings show embodiments of the present invention and their descriptions, serving to explain the principles of the present invention. In the drawings,

[0037] Figure 1 This is a cross-sectional schematic diagram of a cooking utensil according to a preferred embodiment of the present invention, with the lid in the closed state.

[0038] Figure 2 for Figure 1 An enlarged schematic diagram of part A in the diagram, in which the driving component is in the resting position, the first locking component is in the first locked position, and the second locking component is in the second locked position;

[0039] Figure 3 This is a cross-sectional schematic diagram of a cooking utensil according to a preferred embodiment of the present invention, with the lid in the closed state.

[0040] Figure 4 for Figure 3 The enlarged schematic diagram of part B shows the driving component in the actuated position, the first locking component in the first unlocked position, and the second locking component in the additional position.

[0041] Figure 5 This is a cross-sectional schematic diagram of a cooking appliance according to a preferred embodiment of the present invention, with the lid in the open state.

[0042] Figure 6 for Figure 5 An enlarged schematic diagram of part C in the diagram;

[0043] Figure 7 for Figure 5 An enlarged schematic diagram of part D in the diagram;

[0044] Figure 8 This is a top view of the interior of the cover body according to a preferred embodiment of the present invention;

[0045] Figure 9 This is a partially enlarged schematic diagram of the interior of the cover body according to a preferred embodiment of the present invention. In the figure, the driving component is located in the resting position, the first locking component is located in the first locking position, and the second locking component is located in the second locking position.

[0046] Figure 10 This is a partially enlarged schematic diagram of the interior of the cover body according to a preferred embodiment of the present invention, wherein the central driving member is located in the actuated position, the first locking member is located in the first unlocked position, and the second locking member is located in the additional position;

[0047] Figure 11 This is a partially enlarged perspective view of the cover body according to a preferred embodiment of the present invention;

[0048] Figure 12 This is a partially enlarged three-dimensional schematic diagram of the interior of the lid and the inner pot of a preferred embodiment of the present invention.

[0049] Figure 13 This is a top view of the interior of the lid and the inner pot of a preferred embodiment of the present invention.

[0050] Figure 14 For along Figure 13 A schematic diagram of the cross-section cut by the centerline EE;

[0051] Figure 15 This is a three-dimensional schematic diagram of the driving component, the first locking component, and the second locking component according to a preferred embodiment of the present invention.

[0052] Figure 16 This is a three-dimensional schematic diagram of a guide component according to a preferred embodiment of the present invention;

[0053] Figure 17 This is a three-dimensional schematic diagram of a transmission component according to a preferred embodiment of the present invention;

[0054] Figure 18 This is a front view schematic diagram of a transmission component according to a preferred embodiment of the present utility model;

[0055] Figure 19 This is a three-dimensional schematic diagram of a driving component according to a preferred embodiment of the present invention;

[0056] Figure 20 This is a schematic diagram of the engagement of the driving component and the second locking component in a preferred embodiment of the present invention.

[0057] Explanation of reference numerals in the attached figures

[0058] 100. Pot body; 101. First locking part; 102. First inclined surface; 103. Sliding block;

[0059] 104. Third elastic element; 110. Pot liner; 120. Shell; 130. Middle plate; 140. Pivot shaft;

[0060] 150, Fourth elastic element; 200, Cover; 201, Second guide structure; 202, Slide groove;

[0061] 210. Cover; 220. Liner; 230. Removable cover; 240. Connector; 300. Drive unit;

[0062] 301. Fifth inclined plane; 310. Third locking part; 311. Third inclined plane;

[0063] 320: Sixth elastic element; 400: First locking element; 410: Drive frame;

[0064] 411. First guide structure; 412. Third guide structure; 413. First elastic element;

[0065] 420. Fastening element; 430. Guide element; 431. Fifth guide structure; 500. Second locking element;

[0066] 510. Second locking part; 511. Second inclined surface; 520. Fourth locking part;

[0067] 521. Fourth inclined plane; 530. Second elastic element; 600. Transmission element / swing arm;

[0068] 610. First end of the swing arm; 611. First transmission hole; 620. Second end of the swing arm;

[0069] 621. Second transmission hole; 622. Sliding part; 623. First locking part;

[0070] 624. Limit holding part; 630. Rotating shaft; 800. Button; 810. Fifth elastic element;

[0071] D0, vertical direction; D1, first horizontal direction; D2, second horizontal direction;

[0072] D3, Third lateral direction; D4, Fourth direction; D5, Fifth direction Detailed Implementation

[0073] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that embodiments of the present invention may be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with embodiments of the present invention.

[0074] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to the present invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of the stated features, integrals, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or combinations thereof.

[0075] In this document, ordinal numbers such as "first" and "second" used in this invention are merely identifiers and do not have any other meaning, such as a specific order. Moreover, for example, the term "first component" does not imply the existence of "second component," and the term "second component" does not imply the existence of "first component."

[0076] In this article, terms such as "up," "down," "front," "back," "left," and "right" are used only to indicate the relative positional relationship between related parts, rather than to define the absolute position of these related parts.

[0077] In this document, terms such as “equal” and “same” are not strict mathematical and / or geometric limitations, but also include errors that are understandable to those skilled in the art and permissible in manufacturing or use.

[0078] Unless otherwise stated, the numerical ranges in this document include not only the entire range within its two endpoints, but also the subranges contained therein.

[0079] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of the present invention is thorough and complete, and that the concept of these exemplary embodiments is fully conveyed to those skilled in the art.

[0080] Reference Figures 1-20 This application provides a cooking appliance. The cooking appliance according to this application can be a rice cooker, electric pressure cooker or other cooking appliance with electromagnetic heating function, and in addition to the function of cooking rice, the cooking appliance can also have various functions such as cooking porridge.

[0081] The cooking appliance of this utility model includes a lid 200 and a pot body 100. The pot body 100 is used for cooking food, and the lid 200 is used to cover the pot body 100. When the lid 200 covers the pot body 100, a cooking space is formed between the lid 200 and the pot body 100.

[0082] The pot body 100 is typically a rounded cuboid shape and has a cylindrical inner pot storage section. The pot body 100 includes an inner pot 110, which can be freely placed into or removed from the inner pot storage section for easy cleaning. The inner pot 110 is typically made of metal and is used to hold materials to be heated, such as rice or soup. The inner pot 110 has a radial direction and an axial direction. The radial direction is the direction of the circle about the geometric center of the inner pot 110. The axial direction is the direction passing through the geometric center of the inner pot 110 and parallel to the height direction of the inner pot 110. Here, the geometric center of the inner pot 110, in the example where the cross-sectional shape of the inner pot 110 is circular, is the exact center or center of the circle of the inner pot 110.

[0083] The pot body 100 also includes a middle plate 130 and a shell 120. The middle plate 130 is disposed at the top of the pot body 100, and the shell 120 is disposed at the side and bottom of the pot body 100. The middle plate 130 is fixedly installed to the shell 120. Optionally, when the lid 200 is closed on the pot body 100, the lid 200 and the inner pot 110 are sealed together. Through the sealed connection between the lid 200 and the inner pot 110, the cooking appliance can adapt to pressure cooking.

[0084] The lid 200 has a shape substantially corresponding to the pot body 100. The lid 200 is closable on the pot body 100; specifically, it is pivotally connected to the pot body 100 via a pivot axis 140 and can freely pivot about the pivot axis 140 between a closed position and an open position relative to the pot body 100, facilitating the closing and opening of the pot body 100. Optionally, a fourth elastic element 150 for assisting in opening the lid is provided between the lid 200 and the pot body 100. In some embodiments, the fourth elastic element 150 is constructed as a torsion spring, with its two arms connected to the lid 200 and the pot body 100, respectively. Optionally, the torsion spring is sleeved onto the pivot axis 140.

[0085] When the lid 200 is closed over the pot body 100, the lid 200 and the inner pot 110 are sealed together to accommodate pressure cooking. The lid 200 includes a top cover 210, a liner 220, and a removable cover 230. The top cover 210 is located on the outermost side of the lid 200, forming the outer shell of the lid 200. The liner 220 is located below the top cover 210 and is connected to the top cover 210. For example, the liner 220 can be connected to the top cover 210 by fasteners or clips, and the top cover 210 and the liner 220 constitute the upper cover assembly. The upper cover assembly is mainly used to centrally mount various functional components of the lid 200 that sense and control the working status of the cooking appliance, such as sensors. The removable cover 230 is located on the innermost side of the lid 200 and is located below the liner 220. The removable cover 230 is detachably connected to the liner 220, for example, by mounting it to the liner 220 via a removable cover 230 mounting bracket, for easy cleaning and replacement. The removable cover 230 is oriented toward the cooking space, that is, when the cover 200 is in the closed position, the removable cover 230 is located directly above the cooking space.

[0086] It should be noted that the directional terms used in this article to describe the various parts and components of the cooking appliance, such as "up and down," "left and right," and "front and back," are relative to the cooking appliance when it is placed horizontally and upright with the lid 200 closed to the pot body 100. When the cooking appliance is placed on a surface, the direction facing the surface is downward, and the direction away from the surface is upward. Understandably, when the lid 200 is open, the approximate front-back direction of the lid 200 is the up and down direction, the approximate up and down direction is the back-forward direction, and the approximate left-right direction is the left and right direction. Unless otherwise specified, the up and down, front-back, and left and right directions are generally defined from the user's perspective when facing the pot body 100 upright. The side closer to the user is the front, and the side farther from the user is the back. When the user is facing the pot body 100, the user's left side corresponds to the left side of the pot body 100, and the user's right side corresponds to the right side of the pot body 100. In addition, unless otherwise specified, the "inner" in directional terms such as "inward", "outward", "towards", "inner side", "outer side", etc., refers to the center of the pot body 100, and the "outer" refers to the center of the pot body 100.

[0087] In the description of this application, it should be understood that the terms "upper", "lower", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship when the product is in normal use (i.e., when the lid is closed). They are only for the convenience of describing this application 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 application.

[0088] In this design, when the cooking appliance is in operation, especially during high-pressure cooking, the high-temperature and high-pressure environment inside the pot body 100 will exert a thrust on the lid 200. The removable lid 230 is located directly above the inner pot 110, and the removable lid 230 will withstand a huge upward thrust from inside the cooking space.

[0089] To ensure the sealing of the cooking appliance during operation, a first locking member 400 is provided. The first locking member 400 is used to lock or unlock the lid 200 and the inner pot 110. The first locking member 400 is movably disposed on the lid 200 and has a first locking position defining the relative position of the inner pot 110 and the lid 200, and a first unlocking position unlocking the inner pot 110. Optionally, the first locking position and the first unlocking position are arranged along a first lateral direction D1 of the cooking appliance (such as the front-to-back direction of the cooking appliance). In the first locking position, the first locking member 400 applies or transmits a locking force to the inner pot 110, thereby locking the inner pot 110 to maintain the seal between the inner pot 110 and the lid 200; in the first unlocking position, the first locking member 400 releases the locking force, and the seal between the inner pot 110 and the lid 200 is released. Optionally, when the first locking member 400 is in the first locked position, at least a portion of the removable cover 230 (e.g., the edge of the removable cover 230) and at least a portion of the inner pot 110 (e.g., the edge of the inner pot 110) are fixed by the first locking member 400.

[0090] The cooking appliance also includes a second locking member 500. The second locking member 500 is used to lock or unlock the lid 200 and the pot body 100. The second locking member 500 is movably disposed on the lid 200 and has a second locking position that locks the housing 120, a second unlocking position that unlocks the housing 120, and an intermediate position between the second locking position and the second unlocking position. Optionally, the second locking position, the intermediate position, and the second unlocking position are arranged along a second lateral direction D2 of the cooking appliance (e.g., the front-to-back direction of the cooking appliance). Optionally, when the second locking member 500 is in the second locking position, at least a portion of the lid 220 and at least a portion of the pot body 100 are secured by the second locking member 500. Optionally, the second locking member 500 is located at the front of the cooking appliance, and the pivot 140 between the lid 200 and the pot body 100 is located at the rear. During cooking, the second locking member 500 reliably locks the lid 200, ensuring the sealing of the cooking appliance. After cooking, the second locking member 500 unlocks, and the lid 200 can be flipped open backwards using the pivot 140 as a fulcrum, ensuring the stability and reliability of opening and closing. In this design, the intermediate position is located between the second locked position and the second unlocked position. In this position, the second locking member 500 has moved part of the stroke required to achieve complete unlocking, but has not yet reached the final release point.

[0091] In this design, the first lateral direction D1 and the second lateral direction D2 are approximately parallel. Approximate parallelism includes, but is not limited to, absolute parallelism. It should be noted that, to accommodate the layout of internal components, avoid motion interference, or optimize mechanics, the mounting positions of the first locking member 400 and the second locking member 500 may be intentionally fine-tuned, resulting in an angular deviation (e.g., -10° to 10°) between the first lateral direction D1 and the second lateral direction D2. As long as its function and effect are not substantially different from a parallel design, it can be encompassed by the term "approximately parallel."

[0092] In this design, because the two locking components move in the same direction, the layout of the entire locking system on the cover 200 is easier to optimize, reducing interference between parts and resulting in a more compact structure. Simultaneously, the unlocking process is likely to be smoother; the user only needs to press the drive component 300 to unlock the inner pot and outer shell according to preset rules, improving operational convenience. The parallel movement direction reduces transmission complexity and improves the durability and reliability of the locking system.

[0093] Meanwhile, both the first lateral direction D1 and the second lateral direction D2 are approximately parallel to the main body of the lid 200. Specifically, when the lid 200 is closed onto the pot body 100, and the cooking appliance is in an upright position, the main body of the lid 200 is approximately parallel to the horizontal plane. That is, both the first locking member 400 and the second locking member 500 can move horizontally, making the movement simple and efficient. This layout also allows the first locking member 400 and the second locking member 500 to occupy a more compact space on the lid 200.

[0094] This solution uses a double locking mechanism, first locking element 400 and second locking element 500, to ensure the sealing of the cooking appliance during operation and meet the safety requirements of the cooking appliance.

[0095] A driving member 300 is movably disposed on the lid 200. The driving member 300 receives external force applied by the user and, under the action of the external force, can move along the vertical direction D0 between a resting position, a first actuated position, and a second actuated position. The resting position, the first actuated position, and the second actuated position are arranged sequentially along the vertical direction. When the lid 200 is closed over the pot body 100, the first actuated position is located below the resting position, and the second actuated position is also located below the resting position. The driving member 300 is driveably connected to the first locking member 400 and the second locking member 500. In this design, the driving member 300 directly or indirectly drives the first locking member 400 and the second locking member 500 to move.

[0096] The first lateral direction D1 and the second lateral direction D2 are approximately perpendicular to the vertical direction D0. The driving member 300, the first locking member 400, and the second locking member 500 form a mutually orthogonal motion transmission system. The movement of the driving member 300 along the vertical direction D0 is converted into lateral movement through mechanical structures (such as inclined planes, connecting rods, etc.), which control the two independent locking members respectively.

[0097] With the lid 200 covering the pot body 100, when the drive member 300 is moved toward the actuation position by an external force, the drive member 300 will simultaneously produce two actions. On the one hand, it moves the first locking member 400 from the first locked position to the first unlocked position, releasing the lock between the lid 200 and the inner pot 110; on the other hand, it moves the second locking member 500 from the second locked position to the second unlocked position, releasing the lock between the lid 200 and the pot body 100, thus providing the conditions for opening the lid 200.

[0098] Under high-pressure cooking conditions, the cooking space contains high-temperature and high-pressure steam. If the first locking component 400 and the second locking component 500 are unlocked at the same time, the lid 200 may be suddenly pushed open by the internal pressure, causing steam to splash or the lid 200 to pop open, creating a safety hazard.

[0099] The cooking appliance is constructed as follows: When the lid 200 is covering the pot body 100, during the process of the drive member 300 being moved from the resting position to the first actuated position by the external force, the first locking member 400 moves from the first locked position to the first unlocked position, and the second locking member 500 moves from the second locked position to the intermediate position; during the process of the drive member 300 being moved from the first actuated position to the second actuated position by the external force, the first locking member 400 remains in the first unlocked position, and the second locking member 500 moves from the intermediate position to the second unlocked position. In this design, the first locking member 400 is unlocked first, allowing some pressure to be released or the seal to be broken between the inner pot 110 and the lid 200, and then the second locking member 500 is unlocked to completely unlock the pot body. This avoids the risk of the lid suddenly popping open under high pressure and greatly reduces the possibility of steam damage. Furthermore, the user only needs to press the drive member 300 once to automatically complete all unlocking steps, without the need for multiple operations or the use of tools. The vertical movement of the drive unit 300 is ergonomic. Optionally, the drive unit 300 can be set with two-stage feedback, allowing the user to intuitively feel the unlocking progress.

[0100] In this design, the user can apply a vertical force D0 to move the drive unit 300 in the vertical direction D0. This vertical force makes it easier for the user to apply force and operate the device. Simultaneously, the user's hand presses down from above the cover 200, naturally keeping their hand away from the primary direction of steam injection. The cover 200 rotates backward to open. After applying the vertical force D0, the user's hand can immediately stabilize the cover 200, participating in the opening process, and the hand remains within the safe upper area of ​​the cover 200, improving user safety and operating experience.

[0101] To ensure that the lid 200 can be closed smoothly after being opened, the first locking member 400 must be in the first unlocked position when the lid 200 is open to avoid interference between the first locking member 400 and the pot body 100 when closing the lid. In this design, the second locking member 500, in addition to having a second locking position and a second unlocking position, also has an additional position. This additional position is an intermediate state position maintained by the second locking member 500 after the user opens the lid 200 and releases the drive member 300, serving as a "locking point" or "half-end holding position". The additional position is located between the second locking position and the second unlocking position, that is, the second locking position, the additional position, and the second unlocking position are arranged along the second transverse direction D2 (i.e., the front-to-back direction) of the cooking appliance. During the opening process, the user presses the drive component 300, which drives the second locking component 500 to move from the second locked position through the middle position to the second unlocked position to release the lock; when the user releases the drive component 300, the second locking component 500 will automatically retract from the second unlocked position and stabilize in the additional position.

[0102] When the user opens the cover 200, the drive member 300 moves to the second actuated position by the user's external force, sequentially unlocking the first locking member 400 and the second locking member 500. When the external force on the drive member 300 is removed, the second locking member 500 is in the additional position. Since the drive member 300 is linked to the second locking member 500 through a mechanical structure (such as an inclined plane or a connecting rod), when the second locking member 500 is stopped in the additional position, it will abut against the drive member 300, preventing it from fully resetting. This keeps at least a portion of the drive member 300 in the second actuated position. When the drive member 300 is held in the second actuated position, the drive member 300 is linked to the first locking member 400 through a mechanical structure (such as an inclined plane or a connecting rod), so that the first locking member 400 is stably held in the first unlocked position.

[0103] When the user closes the lid 200, a portion of the structure on the lid 200 contacts the second locking member 500 in the additional position and applies a force to push it back to the second locking position, ultimately releasing the constraint on the drive member 300. The entire linkage mechanism can then be fully reset. The first locking member 400 locks the lid 200 and the inner pot 110, while the second locking member 500 locks the lid 200 and the pot body 100, preparing for the next high-pressure cooking and unlocking.

[0104] According to this solution, the user only needs to operate one drive unit 300 to control the first locking element 400 and the second locking element 500 to switch between locked and unlocked states according to preset logic. Compared with the traditional design that requires operating two different control components to control two locking components, this greatly simplifies the operation process and reduces the number of operation steps. At the same time, the second locking element 500, located in the additional position, cooperates with the drive unit 300, located in the actuated position, so that it will not immediately relock after the cooking appliance is unlocked.

[0105] The cooking appliance is constructed such that, when the lid 200 is closed over the pot body 100, the drive component 300 is in the resting position, the first locking component 400 is in the first locked position, and the second locking component 500 is in the second locked position; the drive component 300 is in the first unlocked position, the first locking component 400 is in the first locked position, and the second locking component is in the intermediate position. When the lid 200 is open, the drive component 300 is in the second actuated position, the first locking component 400 is in the first unlocked position, and the second locking component 500 is in the additional position.

[0106] In this design, when the drive component 300 is in the resting position, it is in its initial, unforced state. At this time, the lid 200 and the pot body 100 of the cooking appliance are locked. The first locking component 400 is in the first locking position, tightly locking the lid 200 and the inner pot 110; the second locking component 500 is in the second locking position, ensuring the overall locking of the lid 200 and the pot body 100. The cooking appliance is in a safe and normal cooking state. In this state, the drive component 300 allows the user to apply external force. By applying a force D0 along the vertical direction to the drive component 300, the user causes the drive component 300 to begin moving towards the second actuation position. The user only needs to apply external force to the drive component 300 to sequentially trigger the entire unlocking mechanism, preparing to open the lid 200. The drive component 300 achieves mechanical linkage with the first locking component 400 and the second locking component 500 through vertical displacement D0, achieving a compact layout and saving lateral space.

[0107] When the driving member 300 moves to the second actuated position under the action of an external force, the external force acting on the driving member 300 is removed, and the second locking member 500 remains in the additional position. This engagement ensures that the cooking appliance will not immediately relock after unlocking. Specifically, when the driving member 300 is in the second actuated position, its position is related to the state of the second locking member 500 in the additional position, forming a temporary stable state. After the driving member 300 reaches the second actuated position, it interacts with the second locking member 500 through its mechanical structure, preventing the second locking member 500 from immediately returning to the second locked position, thus maintaining the unlocked state. At the same time, the driving member 300 interacts with the first locking member 400 through its mechanical structure, preventing the first locking member 400 from immediately returning to the first locked position, thus maintaining the unlocked state.

[0108] In this solution, the segmented driving of the driver 300 can be achieved in the following way:

[0109] In some embodiments, the driving member 300 directly drives the first locking member 400 to move, moving the first locking member 400 from a first locked position to a first unlocked position. Exemplarily, the first locking member 400 is directly connected to the driving member 300, or connected to the driving member 300 via a transmission member 600, so that when the driving member 300 moves, the first locking member 400 moves accordingly. Optionally, the second locking member 500 is spaced apart from the driving member 300, and the driving member 300 moves a certain distance before driving the second locking member 500.

[0110] In other embodiments, the driving member 300 subsequently contacts and drives the first locking member 400 to move, moving the first locking member 400 from a first locked position to a first unlocked position. The driving member 300 then contacts and drives the second locking member 500 to move, moving the second locking member 500 from a second locked position to a second unlocked position. Exemplarily, the driving member 300 is provided with a first mating portion that engages with the first locking member 400 and a second mating portion that engages with the second locking member 500. The distance between the first mating portion and the first locking member 400 is smaller than the distance between the second mating portion and the second locking member 500.

[0111] The following description uses the example of the first locking member 400 being connected to the driving member 300 via the transmission member 600, and the second locking member 500 being spaced apart from the driving member 300.

[0112]

First locking component 400

[0113] The following is in conjunction with the appendix Figure 1 To be continued Figure 6 Appendix Figure 8 To be continued Figure 10 Appendix Figure 12 To be continued Figure 18 The structure of the first locking member 400 according to an embodiment of the present invention will be described in detail.

[0114] The first locking member 400 includes a fastening member 420. The fastening member 420 has an engaging position corresponding to a first locking position and a disengaging position corresponding to a first unlocking position. Optionally, the fastening member 420 has a clamping space. The fastening member 420 engages with the edge of the inner pot 110 through the clamping space, thereby tightly connecting the lid 200 and the inner pot 110. (Refer to...) Figure 12 and Figure 13 When the first locking member 400 is in the first locked position, the fastening member 420 is in the fastening position, and the edge of the inner pot 110 is engaged within the clamping space of the fastening member 420. The fastening member 420 can form a stable locking state with the inner pot 110, and the fastening member 420 prevents the lid 200 from being opened. (Refer to...) Figures 5 to 6 When the first locking member 400 is in the first unlocked position, the fastening member 420 is in the separated position. The clamping space of the fastening member 420 is offset from the inner pot 110 in the vertical direction D0. At this time, there is no effective locking connection between the fastening member 420 and the inner pot 110. The fastening member 420 allows the cover 200 to be opened and the cover 200 can move freely relative to the inner pot 110.

[0115] Optionally, the fastening element 420 in the engaged position is closer to the center of the inner pot 110 than the fastening element 420 in the disengaged position. The fastening element 420 moves radially along the inner pot 110 to achieve engagement and disengagement with the edge of the inner pot 110. As mentioned above, the inner pot 110 is usually circular or nearly circular. Optionally, the fastening element 420 moves radially along the inner pot 110, which can better adapt to the circular contour of the inner pot 110. During the movement, it can more evenly contact and act with the edge of the inner pot 110, thereby effectively applying sufficient clamping force from the side to ensure the locking effect between the inner pot 110 and the lid 200, and to ensure the sealing effect of the cooking space to adapt to the high-pressure cooking environment.

[0116] Optionally, the cooking appliance includes multiple fastening elements 420. When the lid 200 is closed, the multiple fastening elements 420 are spaced apart circumferentially along the inner pot 110. The circumferentially spaced fastening elements 420 can evenly apply locking force to the edge of the inner pot 110. Optionally, the multiple fastening elements 420 are evenly distributed circumferentially along the lid 200. In this solution, the fastening elements 420 can be set with a reasonable number and angle to maximize the use of the space at the edge of the lid 200, so that the fastening elements 420 can meet functional requirements without appearing crowded, ensuring that both the lid 200 and the inner pot 110 are subjected to uniform pressure and support when the lid is closed, thereby improving stability. Optionally, the number of fastening elements 420 can be, but is not limited to, 4, 6, or 8.

[0117] To ensure simultaneous operation of the fastening elements 420, the first locking element 400 also includes a drive frame 410. Each fastening element 420 is connected to the drive frame 410. The fastening elements 420 are divided into two groups. The two groups of fastening elements 420 are spaced apart and paired along the third transverse direction D3. Correspondingly, the drive frame 410 includes a first drive frame and a second drive frame spaced apart along the third transverse direction D3. When the first locking element 400 moves from the first locked position to the first unlocked position, the first drive frame and the second drive frame move in opposite directions along the third transverse direction D3, thereby opening relative to each other. The two groups of fastening elements 420 are respectively connected to the first drive frame and the second drive frame. By providing two drive frames 410, it is possible to ensure that a uniform and balanced force is applied to both sides of the cover 200 during movement, avoiding problems such as deformation of the cover 200 or unstable locking / unlocking due to uneven force. Optionally, the third transverse direction D3 is approximately perpendicular to the first transverse direction D1. "Approximately vertical" includes, but is not limited to, absolute 90-degree verticality. Its main purpose is to emphasize that the third lateral direction D3 and the first lateral direction D1 are significantly different and intersecting. The design function in this scheme is based on this intersecting relationship. It should be noted that, in order to accommodate the layout of internal components, avoid motion interference, or perform mechanical optimization, the line connecting the first and second drive frames (in the D3 direction) may be intentionally set to an angle (e.g., 80° or 100°) with the first lateral direction D1, even if it is not 90 degrees. As long as its working principle and effect are substantially the same as the vertical design (i.e., the direction of the driving force of the drive component on the first locking component intersects with the movement direction of the drive frame), it can be encompassed by "approximately vertical."

[0118] Optionally, the main body of the drive frame 410 extends along the first transverse direction D1, and the moving direction of the drive frame 410 is set approximately perpendicular to the extending direction of its main body to achieve efficient force transmission, making the action of the fastening member 420 stable, while optimizing the spatial layout. The fastening members 420 in the same group are spaced apart along the first transverse direction D1. Optionally, the third transverse direction D3 is approximately parallel to the main body of the cover 200. That is, both the drive frame 410 and the fastening member 420 can move in the horizontal direction, making the action simple and efficient. This layout also allows the space occupied by the fastening member 420 and the drive frame 410 on the cover 200 in the first locking member 400 to be more compact. The drive frame 410 converts the horizontal driving force into the radial movement of the fastening member, so that the clamping action of the fastening member 420 is directly aligned with the edge of the pot liner 110.

[0119] The following is in conjunction with the appendix Figures 8 to 10 , Figures 12 to 15 The connection structure between the drive frame 410 and the fastening member 420 according to an embodiment of the present invention will be described in detail.

[0120] The drive frame 410 is provided with a first guide structure 411, and the fastener 420 is connected to the first guide structure 411. Optionally, refer to Figure 8 , Figure 9 and Figure 11 The cover 200 is provided with a second guide structure 201, and the fastening member 420 is movably connected to the second guide structure 201. The fastening member 420 is movable along the first guide structure 411 and the second guide structure 201. When the drive frame 410 moves (e.g., operated by the drive member 300), the drive frame 410 drives the fastening member 420 to move via the first guide structure 411, causing the fastening member 420 to move along the second guide structure 201, thereby moving the fastening member 420 between an engaged position and a disengaged position.

[0121] The precise control of the moving path and speed of the fastening member 420 is achieved through the cooperation of the first guide structure 411 and the second guide structure 201. Optionally, the extension direction of the second guide structure 201 is the same as the moving direction of the fastening member 420, that is, the fastening member 420 moves along the path defined by the second guide structure 201. For example, if the second guide structure 201 is a straight elongated hole, the fastening member 420 will move in a straight line; if it is an arc-shaped hole, the fastening member 420 will swing in an arc. Optionally, the first guide structure 411 and the second guide structure 201 are constructed as elongated slots or elongated holes. The first guide structure 411 extends along the first transverse direction D1. Optionally, the second guide structure 201 is inclined relative to both the first transverse direction D1 and the third transverse direction D3. Optionally, the extension direction of the second guide structure 201 intersects the central axis of the inner pot 110 (e.g., the radial direction of the inner pot 110). The fastening element 420 can move along the radial direction of the inner pot 110. When fastening the element 420, it can be evenly stressed, which enhances the stability of the lid 200 and the pot body 100.

[0122] When the driving component 300 is subjected to external force, it can be directly driven or the force can be transmitted to the driving frame 410 relative to the cover 200 through the transmission structure, and then transmitted to the fastening component 420 through the transmission connection of the first guide structure 411 and the second guide structure 201, thereby driving the fastening component 420 to move between the fastening position and the disengaging position.

[0123] When the first locking member 400 moves from the first locked position to the first unlocked position, the first drive frame and the second drive frame open in a direction away from each other along the third lateral direction D3. Optionally, a first elastic member 413 is provided between the first drive frame and the second drive frame. The first elastic member 413 is used to apply a force to the drive frame 410 to bring the two drive frames 410 closer to each other along the third lateral direction D3. Optionally, the first elastic member 413 is a spring to ensure that the drive frame 410 can be stably and reliably automatically reset. The first elastic member 413 connects between the first drive frame and the second drive frame, which can balance the force on both during the movement. During unlocking and reset, it provides an appropriate restoring force. In addition, connecting the first elastic member 413 between the first drive frame and the second drive frame makes full use of the internal space of the cooking appliance, making the overall structure of the cooking appliance more compact. Optionally, multiple first elastic members 413 are provided to make the movement of the drive frame 410, i.e., the entire transmission structure, smoother and more stable.

[0124] To ensure the drive frame 410 can move stably along a preset trajectory, the drive frame 410 is provided with a third guide structure 412. The drive frame 410 is connected to the cover 200 through the third guide structure 412. Optionally, the third guide structure 412 is configured as a guide hole or a guide groove. The cover 200 is provided with a connector 240. The connector 240 extends into the third guide structure 412 of the drive frame 410, forming a movable connection with the third guide structure 412. For example, when the connector 240 is a pin, the pin passes through the third guide structure 412, allowing the drive frame 410 to perform specific movements along or around the pin. The drive frame 410 moves along the path defined by the third guide structure 412, thereby accurately converting the power of the drive member 300 into the movement required by the fastening member 420, thereby driving the fastening member 420 to move between the fastening position and the disengagement position.

[0125] In this design, the first guide structure 411 and the third guide structure 412 are not arranged in parallel, thereby ensuring effective linkage between the drive frame 410 and the fastener 420. Optionally, the extension trajectories or extension directions of the first guide structure 411 and the third guide structure 412 may intersect or be out of plane.

[0126] [Transmission mechanism of drive component 300 driving first locking component 400]

[0127] As mentioned above, two drive frames 410 are configured to achieve synchronous driving of the two sets of fastening members 420. To drive the two drive frames 410 to operate synchronously, the first locking member 400 is also provided with a guide member 430, and the cover 200 is also provided with a transmission member 600. The transmission member 600 is connected to the drive member 300, and the guide member 430 is connected to both the transmission member 600 and the drive frame 410. The force of the drive member 300 is transmitted to the drive frame 410 via the transmission member 600 and the guide member 430. The transmission member 600 is directly connected to the drive member 300. When the drive member 300 operates, it can synchronously drive the transmission member 600, thereby synchronously driving the first locking member 400 to operate.

[0128] The transmission component 600 converts the driving force of the drive component 300 along the vertical direction D0 into a pushing force applied to the guide component 430 along the first transverse direction D1. Two drive frames 410 are connected to the same guide component 430. Optionally, the drive frame 410 is connected to a fifth guide structure 431 (described in detail below) on the guide component 430. When the guide component 430 moves along the first transverse direction D1, the fifth guide structure 431 drives the two drive frames 410 to move simultaneously or in a preset sequence along the third transverse direction D3 in opposite directions.

[0129] Optionally, the transmission member 600 is constructed as a rocker arm 600. The rocker arm 600 is rotatably connected to the cover 200 about a pivot 630. The axis of the pivot 630 is substantially parallel to the main surface of the cover 200. The rocker arm 600 includes a first end 610 (i.e., the first end of the transmission member 600) and a second end 620 (i.e., the second end of the transmission member 600) opposite in length direction of the rocker arm 600. The first end 610 of the rocker arm is connected to and acts on the drive member 300. The connection between the first end 610 of the rocker arm and the drive member 300 includes, but is not limited to, a hinged connection and a sliding connection (e.g., a pin connection or a connecting rod connection). The second end 620 of the rocker arm is connected to and acts on the guide member 430. The connection between the second end 620 of the rocker arm and the guide member 430 includes, but is not limited to, a hinged connection and a sliding connection (e.g., a pin connection or a connecting rod connection).

[0130] According to this solution, when the user operates the drive unit 300, the drive unit 300 will generate an initial movement. Since the first end 610 of the swing arm is connected to the drive unit 300, this initial movement will directly act on the first end 610 of the swing arm, causing the swing arm 600 to begin rotating relative to the cover 200 around the pivot 630. As the swing arm 600 rotates, the second end 620 of the swing arm will move along a specific arc trajectory. Because the second end 620 of the swing arm is connected to the guide member 430, the movement of the second end 620 of the swing arm will drive the guide member 430 to perform a corresponding movement. After the guide member 430 moves along the first lateral direction D1 under the drive of the swing rod 600, it will cooperate with the two drive frames 410 through the fifth guide structure 431 set thereon, so that the two drive frames 410 move in opposite directions. The drive frame 410 cooperates with the fastening member 420 through the first guide structure 411 set thereon, and transmits power to the fastening member 420, so that the fastening member 420 moves between the fastening position and the disengaging position, thereby realizing the locking and unlocking between the cover 200 and the pot 110.

[0131] Optionally, the rocker arm 600 is provided with a first transmission hole 611, which is located at the first end 610 of the rocker arm. The first transmission hole 611 is constructed as an elongated slot or an elongated hole. Optionally, the driving member 300 is provided with a sliding structure, such as a sliding rod or a sliding block, adapted to the shape of the first transmission hole 611, for sliding connection with the rocker arm 600. Further optionally, the driving member 300 is slidably connected to the first transmission hole 611 via a connecting member, such as a pin. In this solution, the extension trajectory or direction of the first transmission hole 611 intersects with or is not parallel to the movement trajectory of the driving member 300, thereby ensuring smooth transmission between the rocker arm 600 and the driving member 300.

[0132] The rocker arm 600 is provided with a second transmission hole 621, which is located at the second end 620 of the rocker arm. The second transmission hole 621 is constructed as an elongated slot or an elongated hole. Optionally, the guide member 430 is provided with a sliding structure, such as a sliding rod or a sliding block, adapted to the shape of the second transmission hole 621, for sliding connection with the rocker arm 600. Alternatively, the guide member 430 is slidably connected to the second transmission hole 621 via a connecting member, such as a pin. In this design, the extension trajectory or direction of the second transmission hole 621 intersects with or is not parallel to the movement trajectory of the guide member 430, thereby ensuring smooth transmission between the rocker arm 600 and the guide member 430.

[0133] The shapes and dimensions of the first transmission hole 611 and the second transmission hole 621 are precisely designed to transmit the driving force of the drive member 300 and precisely guide the movement trajectory of the guide member 430. When the drive member 300 is operated by an external force, the rocker arm 600 moves in a specific direction through the first transmission hole 611, and similarly, the guide member 430 moves in a predetermined direction through the second transmission hole 621. Optionally, the extension trajectories or extension directions of the first transmission hole 611 and the second transmission hole 621 intersect or are not parallel. That is, the first transmission hole 611 and the second transmission hole 621 are not parallel, thereby ensuring the effective linkage of the drive member 300, the rocker arm 600, and the guide member 430.

[0134] As described above, during the process of the drive member 300 moving from the first actuated position to the second actuated position, the first locking member 400 remains in the first unlocked position. The second transmission hole 621 includes a sliding part 622 and a limiting holding part 624 that are connected to each other. Specifically, during the process of the drive member 300 moving from the resting position to the first actuated position, the drive member 300 continues to move downwards along the vertical direction D0, and the rocker arm 600 rotates further. At this time, the guide member 430 moves from the sliding part 622 to the limiting holding part 624 within the second transmission hole 621. When the guide member 430 moves within the sliding part 622, the guide member 430 cooperates with the drive frame 410 through the fifth guide structure 431, driving the two drive frames 410 to move in opposite directions along the third transverse direction D3, thereby causing the fastening member 420 to move from the fastened position to the disengaged position. During the movement of the drive member 300 from the first actuated position to the second actuated position, after the guide member 430 enters the limiting retention part 624, the guide member 430 no longer drives the drive frame 410 to move. When the guide member 430 is within the limiting retention part 624, the rocker arm 600 no longer applies an effective driving force to the guide member 430 when it rotates. Therefore, the drive frame 410 and the fastening member 420 maintain their current positions, that is, the first locking member 400 is stably held in the first unlocked position.

[0135] Optionally, the limiting and retaining part 624 is located on the side of the sliding part 622 away from the rotating shaft 630, and at least a portion of the limiting and retaining part 624 is constructed as an arc segment. When the guide member 430 enters the arc segment of the limiting and retaining part 624, although the rocker arm 600 continues to rotate, the position of the guide member 430 along the first lateral direction D1 will hardly change because the guide member 430 is restricted to moving on an arc track centered on the rotating shaft 630.

[0136] Optionally, the second transmission hole 621 further includes a first engaging portion 623, and the sliding portion 622, the first engaging portion 623, and the limiting and retaining portion 624 are sequentially connected. The first engaging portion 623 is at least partially constructed as an annular segment. The center of the annular segment of the first engaging portion 623 and the center of the annular segment of the limiting and retaining portion 624 are concentric with the rotating shaft 630. The first engaging portion 623 is closer to the rotating shaft 630 than the limiting and retaining portion 624. The first engaging portion 623 is located on the side of the sliding portion 622 away from the pot body 100, and the limiting and retaining portion 624 is located on the side of the sliding portion 622 closer to the pot body 100. When the guide member 430 is engaged with the first engaging portion 623, the first locking member 400 is in the first locked position; that is, the first engaging portion 623 corresponds to the first locked position of the first locking member 400. When the guide member 430 is engaged with the first engaging portion 623, the entire transmission system is in an initial stable state. Any slight wobbling of the lever 600 will not cause displacement of the guide 430, thus ensuring that the first locking member 400 is firmly held in the first locked position. When the guide 430 engages with the limit retaining part 624, the first locking member 400 is in the first unlocked position; that is, the limit retaining part 624 corresponds to the first unlocked position of the first locking member 400. Since the circular segment trajectory is concentric with the rotating shaft 630, it can be ensured that when the guide 430 moves to the first engaging part 623 and the limit retaining part 624, it can accurately correspond to the required first locked position and first unlocked position of the first locking member 400, realizing the temporary locking of the first locking member 400 in the first locked position and the first unlocked position.

[0137] According to this solution, in the initial state where the lid 200 is closed to the pot body 100, the first locking member 400 is in the first locked position, and the guide member 430 is engaged with the first engaging portion 623. When the user operates the drive member 300, the drive member 300 will generate a downward movement. Since the rocker arm 600 is connected to the drive member 300, the drive member 300 presses down the first end 610 of the rocker arm, causing the first end 610 of the rocker arm to rotate upward. Since the first engaging portion 623 is located above the sliding portion 622, the guide member 430 slides out from the first engaging portion 623 to the sliding portion 622. As the rocker arm 600 continues to rotate, the guide member 430 moves backward under the guidance of the sliding portion 622 until it slides to the limiting holding portion 624. During the movement of the guide member 430, the drive frame 410 moves accordingly, causing the first locking member 400 to move from the first locked position to the first unlocked position. Since the limiting retaining part 624 is located below the sliding part 622, the guide 430 will be temporarily locked after reaching this position, thereby locking the first locking part 400 to the first unlocked position.

[0138] The following is in conjunction with the appendix Figure 1 To be continued Figure 6 Appendix Figure 8 To be continued Figure 10 Appendix Figure 12 To be continued Figure 16 The connection structure between the drive frame 410 and the guide member 430 according to one embodiment of the present invention will be described in detail.

[0139] The guide member 430 is provided with a fifth guide structure 431 that is inclined relative to both the first lateral direction D1 and the third lateral direction D3. The fifth guide structure 431 is constructed as an elongated slot or an elongated hole. At least a portion of the drive frame 410 is connected to the fifth guide structure 431 and is movable relative to the cover 200 along the fifth guide structure 431.

[0140] As described above, the two drive frames 410 are connected to the guide member 430 and can move in opposite directions. The guide member 430 is provided with a fifth guide structure 431 corresponding to the two drive frames 410. The two fifth guide structures 431 are symmetrical about an axis of symmetry extending along the first transverse direction D1 and are equidistantly distributed, so that when the guide member 430 moves along the third transverse direction D3, it synchronously drives the two drive frames 410 to move along the third transverse direction D3.

[0141] In this design, the first lateral direction D1, the third lateral direction D3, and the vertical direction D0 are all perpendicular to each other. According to this design, the vertical pressing of the drive member 300 along the vertical direction D0 is converted into the horizontal translation of the guide member 430 along the first lateral direction D1, then into the lateral movement of the drive frame 410 along the third lateral direction D3, and finally into the radial movement of the fastening member 420 along the inner pot 110. This transforms the user's vertical downward pressure into multi-directional mechanical motion, reducing the multi-directional lateral force required to directly operate the fastening member 420. The user can trigger the complex unlocking process by pressing the drive member 300 with one hand. Simultaneously, the mechanism is arranged within the limited thickness of the cover 200 using the three-dimensional perpendicular relationship, avoiding planar accumulation of transmission components.

[0142]

Second locking component 500

[0143] The following is in conjunction with the appendix Figure 1 To be continued Figure 10 Appendix Figure 12 To be continued Figure 15 The structure of the second locking member 500 according to an embodiment of the present invention will be described in detail.

[0144] As described above, the second locking member 500 has a second unlocked position, an additional position, and a second locked position. The housing 120 includes a first locking portion 101. Optionally, the first locking portion 101 is connected to the middle plate 130.

[0145] The second locking member 500 includes a second locking portion 510. The cover 200 is provided with a slide groove 202, and the second locking member 500 is movably connected to the slide groove 202. As described above, the second locking position, the additional position, and the second unlocking position of the second locking member 500 are arranged along the second transverse direction of the cooking appliance, that is, the second locking member 500 can move along the front-back direction D2. Correspondingly, the slide groove 202 extends along the second transverse direction D2.

[0146] The shape and size of the second locking part 510 are adapted to the first locking part 101 to ensure that it can reliably engage with the first locking part 101 in the locked state.

[0147] The cooking appliance is constructed such that when the second locking member 500 is in the second locked position, the first locking part 101 and the second locking part 510 are engaged; when the second locking member 500 is in the second unlocked position, the first locking part 101 and the second locking part 510 are disengaged. When the first locking part 101 and the second locking part 510 are engaged, they hook together to form a mechanical locking structure, firmly locking the lid 200 onto the pot body 100, making it impossible for the lid 200 to be easily opened.

[0148] In this design, the second locking member 500 further includes a second elastic member 530. The second elastic member 530 applies a force to the second locking member 500 to move towards the second locked position, thereby ensuring that the first locking part 101 and the second locking part 510 can be tightly engaged in the non-operating state. That is, when no other external force is applied or no other structural limitation is present, the second locking member 500, located in the second unlocked position, can move towards the second locked position under the elastic force of the second elastic member 530. Optionally, the second elastic member 530 is connected between the second locking member 500 and the cover 200. Specifically, the second elastic member 530 is connected between the second locking member 500 and the liner 220. More specifically, the second elastic member 530 is located within the slide groove 202. Optionally, the second elastic member 530 includes, but is not limited to, a compression spring and a tension spring to ensure that the second locking member 500 can be stably and reliably automatically reset.

[0149] In some embodiments, when subjected to other external forces or without other structural constraints (e.g., the drive member 300 in the second actuated position), the second locking member 500 in the second unlocked position moves toward the second locked position under the elastic force of the second elastic member 530, and is constrained in an additional position by the drive member 300 in the second actuated position.

[0150] [Transmission mechanism of drive component 300 driving second locking component 500]

[0151] The following is in conjunction with the appendix Figure 1 To be continued Figure 10 Appendix Figure 12 To be continued Figure 15 The transmission structure of the driving member 300 and the second locking member 500 according to an embodiment of the present invention will be described in detail. At least a portion of the second locking member 500 is located on the moving path of the driving member 300. When the driving member 300 is operated, the driving member 300 can directly actuate the second locking member 500 to disengage the first locking part 101 from the second locking part 510.

[0152] To actuate the second locking member 500, the driving member 300 optionally includes a third inclined surface 311 and a fifth inclined surface 301 spaced apart vertically in the direction D0. The second locking member 500 is located on the movement path of the third inclined surface 311 and the fifth inclined surface 301. During the process of the driving member 300 being pressed down by an external force, the third inclined surface 311 and the fifth inclined surface 301 abut against the second locking member 500, allowing the second locking member 500 to move on the third inclined surface 311 and the fifth inclined surface 301 to drive the second locking part 510 to move relative to the first locking part 101, thereby unlocking. During the process of the driving member 300 moving from the resting position to the first actuated position, the third inclined surface 311 can contact the second locking member 500 and push the second locking member 500 towards the center position. During the movement of the driving member 300 from the first actuated position to the second actuated position, the fifth inclined surface 301 can contact the second locking member 500 and push the second locking member 500 towards the second unlocked position. In this design, in the intermediate position, the engagement between the second locking part 510 and the first locking part 101 is partially released and not completely separated. In the second unlocked position, the engagement between the second locking part 510 and the first locking part 101 is completely released. Based on this design, the cooking utensil is constructed such that during the contact between the second locking member 500 and the fifth inclined surface 301, the first locking member 400 is located in the first unlocked position, so that during the movement of the second locking member 500, the first locking member 400 remains unlocked, ensuring the unlocking sequence.

[0153] Optionally, the second locking member 500 is provided with a fourth inclined surface 521. During the pressing process of the driving member 300 under external force, the fourth inclined surface 521 serves to abut against the driving member 300. The driving member 300 can move on the fourth inclined surface 521 and the fifth inclined surface 301 to drive the second locking part 510 to move relative to the first locking part 101, thereby achieving unlocking. The third inclined surface 311 and the fifth inclined surface 301 are both constructed as inclined surfaces relative to both the second lateral direction D2 and the vertical direction D0. Optionally, during the process of the driving member 300 moving from the resting position to the first actuated position, the third inclined surface 311 can guide the second locking member 500 to move towards the intermediate position. During the process of the driving member 300 moving from the first actuated position to the second actuated position, the fifth inclined surface 301 can guide the second locking member 500 to move towards the second unlocked position.

[0154] Optionally, the fourth inclined surface 521 is constructed as an inclined surface that is inclined relative to both the second lateral direction D2 and the vertical direction D0. During the process of the drive member 300 moving from the resting position to the second actuated position, the fourth inclined surface 521 can sequentially contact the third inclined surface 311 and the fourth inclined surface 521 to guide the second locking member 500 to move toward the second unlocked position.

[0155] The fourth inclined surface 521 is configured to correspond in shape, angle, and position to the third inclined surface 311 and the fifth inclined surface 301, respectively. When the driving member 300 is in the resting position and the second locking member 500 is in the second locked position, at least a portion of the fourth inclined surface 521 is located below the third inclined surface 311.

[0156] With the lid 200 closed onto the pot body 100, the second locking member 500 in the second locking position is spaced apart from the third inclined surface 311. That is, when the driving member 300 is at rest (i.e., not pressed), the third inclined surface 311 and the fourth inclined surface 521 are not in contact, and the driving member 300 and the second locking member 500 are relatively independent. At this time, the second locking part 510 can engage with the first locking part 101 to close the lid 200 and the pot body 100. When the user applies external force to the driving member 300 (such as pressing the driving member 300), the driving member 300 begins to move along a predetermined moving path. During the movement of the driving member 300, at least part of the second locking member 500 is located on the moving path of the driving member 300. As the driving member 300 moves, the third inclined surface 311 and the fifth inclined surface 301 successively contact the fourth inclined surface 521. The third inclined plane 311 and the fifth inclined plane 301 each apply a component force perpendicular to the fourth inclined plane 521. This component force can be decomposed into a driving force that moves the second locking member 500. Under the action of the driving force, the second locking member 500 moves along the slide groove 202, causing the second locking part 510 to move accordingly. When the second locking part 510 moves to the second unlocking position, the second locking part 510 is disengaged from the first locking part 101. At the same time, the driving member 300 transmits the driving force to the first locking member 400, causing the first locking member 400 to move to the first unlocking position. The first locking member 400 is released from its engagement with the inner pot 110, and the lid 200 can be freely lifted upwards.

[0157] Optionally, the third inclined plane 311 and the fifth inclined plane 301 together form an inclined plane.

[0158] Alternatively, the third inclined surface 311 and the fifth inclined surface 301 are independent of each other. The driving member 300 includes a third locking portion 310, on which the third inclined surface 311 is formed. The second locking member 500 includes a fourth locking portion 520, on which the fourth inclined surface 521 is formed. The third locking portion 310 and the fourth locking portion 520 can engage. That is, the third inclined surface 311 and the fourth inclined surface 521 can guide the third locking portion 310 and the fourth locking portion 520 to engage. During the relative sliding of the third inclined surface 311 and the fourth inclined surface 521, that is, during the engagement of the third locking part 310 and the fourth locking part 520, the second locking member 500 moves from the second locked position to the middle position. The second locking member 500 transmits the driving force to the second locking part 510, causing the second locking part 510 and the first locking part 101 to move relative to each other in the direction of disengagement. During the relative sliding of the fifth inclined surface 301 and the fourth inclined surface 521, the second locking member 500 moves from the middle position to the second unlocking position. The second locking part 510 and the first locking part 101 continue to move relative to each other in the direction of disengagement. When the second locking member 500 moves to the second unlocking position, the second locking part 510 and the first locking part 101 are disengaged.

[0159] The drive component 300 is in the second actuation position, and the second locking component 500 is in the additional position.

[0160] To ensure that the lid 200 can close smoothly after being opened, the first locking member 400 must be in the first unlocked position when the lid 200 is open to avoid interference between the first locking member 400 and the inner pot 110 when the lid is closed. Optionally, one of the third locking part 310 and the fourth locking part 520 is configured as a slot to accommodate the other of the third locking part 310 and the fourth locking part 520. That is, one of the third locking part 310 and the fourth locking part 520 is configured as a concave-convex structure so that the third locking part 310 and the fourth locking part 520 can engage after the driving member 300 moves to the second actuation position. The slot structure achieves precise engagement of the third locking part 310 and the fourth locking part 520 through geometric matching characteristics, restricts their relative displacement in space, and ensures a stable locking state. When the driving member 300 is in the second actuation position and the second locking member 500 is in the additional position, the slot engages with the third locking part 310 or the fourth locking part 520.

[0161] The cooking appliance is constructed such that when the third locking part 310 and the fourth locking part 520 are engaged, the driving member 300 is in the second actuation position, the second locking member 500 is in the additional position, and the first locking member 400 is in the first unlocking position. At this time, the cover 200 can be opened and closed freely.

[0162] As described above, the second locking member 500 is movable along the second lateral direction D2 between the second locked position and the second unlocked position. The second lateral direction D2 is a bidirectional direction; the direction from the second locked position to the second unlocked position is the fourth direction D4 (i.e., rearward direction), and the direction from the second unlocked position to the second locked position is the fifth direction D5 (i.e., forward direction). The third locking part 310 is located on the side of the driving member 300 facing the fourth direction D4, that is, the fourth locking part 520 is located on the side of the third locking part 310 facing the fourth direction D4. During the engagement of the third locking part 310 and the fourth locking part 520, the third locking part 310 pushes the fourth locking part 520 to move towards the fourth direction D4, and when the third locking part 310 and the fourth locking part 520 are fully engaged, the third locking part 310 prevents the fourth locking part 520 from moving towards the fifth direction D5.

[0163] Optionally, the second elastic member 530 can apply an elastic force toward the third locking part 310 (i.e., the fifth direction D5) to the fourth locking part 520, thereby ensuring that the third locking part 310 and the fourth locking part 520 can be tightly engaged in the non-operating state.

[0164] [When the cover 200 is closed, the second locking component 500 automatically engages.]

[0165] As described above, due to the engagement of the third locking part 310 and the fourth locking part 520, the second locking member 500 is in an additional position after the cover 200 is opened. In order to ensure smooth closing of the cover 200 during the closing process, when the second locking member 500 is in the additional position, the first locking part 101 is located on the movement path of the second locking part 510, that is, the first locking part 101 and the second locking part 510 can still engage.

[0166] When the lid 200 is in the state of not covering the pot body 100, at least one of the surface of the first locking part 101 for contacting the second locking part 510 and the surface of the second locking part 510 for contacting the first locking part 101 is constructed as an inclined surface that is inclined relative to both the second lateral direction D2 and the vertical direction.

[0167] The first locking portion 101 has a first inclined surface 102. During the closing process of the cover 200, the first inclined surface 102 abuts against the second locking portion 510. The second locking portion 510 can move on the first inclined surface 102 to drive the second locking member 500 to move relative to the cover 200. Optionally, the second locking portion 510 has a second inclined surface 511. During the closing process of the cover 200, the second inclined surface 511 abuts against the first locking portion 101. The first locking portion 101 can move on the second inclined surface 511 to drive the second locking member 500 to move relative to the cover 200. That is, during the closing process of the cover 200, the first inclined surface 102 and / or the second inclined surface 511 can guide the second locking member 500 to move toward the second unlocked position.

[0168] Optionally, only one of the first inclined surface 102 and the second inclined surface 511 may be provided. Alternatively, the first inclined surface 102 and the second inclined surface 511 may be provided correspondingly, that is, the shape, angle and position of the first inclined surface 102 and the second inclined surface 511 may be provided correspondingly.

[0169] Optionally, the first inclined surface 102 and / or the second inclined surface 511 are constructed as inclined surfaces that are inclined relative to both the second lateral direction D2 and the vertical direction D0. When the cover 200 is closed, the second locking part 510 contacts the inclined surface of the first locking part 101. Since the inclined surface is inclined, the second locking part 510 will apply a component force perpendicular to the inclined surface during movement. According to the principle of force decomposition, this component force can be decomposed into driving forces in the vertical direction D0 and the second lateral direction D2, causing the second locking member 500 to move towards the second unlocked position. As the cover 200 continues to press down, after the second locking part 510 is misaligned with the inclined surface of the first locking part 101, the second locking member 500 moves towards the second locked position due to the elastic force of the second elastic member 530.

[0170] As described above, during the closing process of the cover 200, the second locking part 510 of the second locking member 500 can automatically engage with the first locking part 101 due to the inclined surface. In this solution, the second locking part 510 and the fourth locking part 520 together constitute the second locking member 500, that is, when the second locking part 510 moves, the fourth locking part 520 moves synchronously. Therefore, when the second locking part 510 engages with the first locking part 101, the fourth locking part 520 disengages from the third locking part 310. The interaction force between the third locking part 310 and the fourth locking part 520 fails, and the second locking member 500 moves towards the fifth direction D5 under the elastic force of the second elastic member 530, causing the second locking member 500 to return to the second locked position. The drive frame 410 moves under the elastic force of the first elastic member 413, thereby causing the first locking member 400 to return to the first locked position. Thus, when closing the cover, there is no need to manually operate the drive member 300.

[0171] In some embodiments, refer to Figure 2 and Figure 20 The engagement amount L1 between the first locking part 101 and the second locking part 510, and the engagement amount L2 between the third locking part 310 and the fourth locking part 520 are equal, to ensure that when the third locking part 310 and the fourth locking part 520 are engaged, the first locking part 101 is disengaged from the second locking part 510; and to ensure that when the first locking part 101 and the second locking part 510 are engaged, the third locking part 310 and the fourth locking part 520 are disengaged. (Refer to...) Figure 2 The engagement amount L1 between the first locking part 101 and the second locking part 510 refers to the size of the area where the first locking part 101 and the second locking part 510 overlap, contact, and exert a restraining effect when they are engaged. Specifically, it is the length of the projections of the first locking part 101 and the second locking part 510 along the second transverse direction D2 (approximately the front-to-back direction) in the projection along the vertical direction D0 when the lid 200 is closed onto the pot body 100 and the cooking appliance is in an upright position. (Refer to...) Figure 20 The engagement amount L2 of the third locking part 310 and the fourth locking part 520 refers to the size of the area where the third locking part 310 and the fourth locking part 520 overlap, contact each other, and generate a restraining effect when they are engaged. Specifically, it is the length of the projection of the first locking part 101 and the second locking part 510 along the second transverse direction D2 (approximately the vertical direction) of the cover 200 in the projection along the thickness direction of the cover 200 when the cover 200 is open.

[0172] In practical applications, there may be instances where the first locking part 101 fails to engage or disengage with the second locking part 510, the third locking part 310, and the fourth locking part 520. In some embodiments, the driving member 300 also has a fifth inclined surface 301. When the lid 200 is closed onto the pot body 100, and when the cooking appliance is in an upright position, the fifth inclined surface 301 is located above the third locking part 310. The fifth inclined surface 301 is inclined relative to both the vertical direction D0 and the second horizontal direction D2. (Refer to...) Figure 20 The projection of the fifth inclined surface 301 along the thickness direction of the cover 200, along the second transverse direction D2 of the cover 200, is L3. Wherein, L3 > L2.

[0173] Reference Figure 20 By setting the fifth inclined surface 301, the engagement amount L2 of the third locking part 310 and the fourth locking part 520 can be less than the engagement amount L1 of the first locking part 101 and the second locking part 510. That is, L3 > L1 > L2.

[0174] During the downward pressing of the driving member 300, the third locking part 310 and the fourth locking part 520 slide relative to each other through the third inclined surface 311 and the fourth inclined surface 521, causing the second locking part 510 to move towards the center position. When the third inclined surface 311 and the fourth inclined surface 521 are misaligned, the first locking part 101 and the second locking part 510 remain engaged due to the large engagement amount. After the third inclined surface 311 and the fourth inclined surface 521 are misaligned, the driving member 300 continues to press down, and the fourth inclined surface 521 contacts the fifth inclined surface 301. Guided by the fourth inclined surface 521 and the fifth inclined surface 301, the second locking part 510 continues to move towards the second unlocking position until it reaches the second unlocking position, at which point the first locking part 101 and the second locking part 510 are released from engagement. When the external force acting on the drive member 300 is removed, the second locking member 500 moves to an additional position in the fifth direction D5 under the elastic force of the second elastic member 530. At this time, the fourth locking part 520 is located between the fifth inclined surface 301 and the third inclined surface 311 in the vertical direction D0, and the drive member 300 and the second locking member 500 are engaged through the third locking part 310 and the fourth locking part 520.

[0175] Due to the engagement of the third locking part 310 and the fourth locking part 520, the second locking member 500 is in an additional position after the cover 200 is opened. To ensure smooth closing of the cover 200 during the closing process, when the second locking member 500 is in the additional position, the first locking part 101 is located on the movement path of the second locking part 510, that is, the first locking part 101 and the second locking part 510 can still engage. To avoid accidental engagement, the second locking member 500 also includes a slider 103 and a third elastic member 104. The slider 103 is located below the first locking part 101 and is movable in the vertical direction D0. The slider 103 has a first position that contacts the first locking part 101 and a second position that is spaced apart from the first locking part 101. When the slider 103 is in the second position, the first locking part 101 can engage with the second locking part 510. The third elastic element 104 is connected to the slider 103 and applies an elastic force to the slider 103 to move it toward the first position. After the slider 103 moves to the first position, it comes into close contact with the first locking part 101, thereby effectively preventing the second locking part 510 from engaging with the first locking part 101 again during the opening process. Optionally, the third elastic element 104 is a compression spring.

[0176] The slider 103 protrudes from the first locking portion 101 along the fourth direction D4. Optionally, in the projection along the vertical direction D0, the slider 103 is closer to the inner pot 110 than the first locking portion 101. Alternatively, the first locking portion 101 has a notch to expose a portion of the slider 103.

[0177] In this design, at least a portion of the slider 103 is located on the movement path of the second locking member 500. During the opening process, the driving member 300 drives the second locking part 510 to disengage from the first locking part 101, and the slider 103 moves to the first position under the elastic force of the third elastic member 104. At this time, the slider 103 contacts the first locking part 101 to prevent the second locking part 510 from engaging with the first locking part 101. During the closing process, the second locking member 500 moves downward, and the second locking part 510 contacts the protruding slider 103, enabling the slider 103 to move downward to the second position, where the second locking part 510 engages with the first locking part 101. Simultaneously, due to the action of the inclined surface, the second locking member 500 moves along the fourth direction D4, thereby causing the fourth locking part 520 to move to disengage from the third locking part 310, completing the relocking of the lid 200 and the pot body 100.

[0178] During the closing process, guided by the first inclined surface 102 and the second inclined surface 511, the second locking member 500 moves towards the fourth direction D4. Due to the small engagement amount of the third locking part 310 and the fourth locking part 520, the third locking part 310 and the fourth locking part 520 are disengaged first. Guided by the first inclined surface 102 and the second inclined surface 511, the second locking member 500 continues to move towards the fourth direction D4 until the first inclined surface 102 and the second inclined surface 511 are misaligned. The cover 200 continues to press down, and the first locking part 101 engages with the second locking part 510.

[0179] Reference Figure 2 When the first locking part 101 and the second locking part 510 are engaged, the projection along the vertical direction D0, the distance between the front end of the second locking part 510 and the rear end of the slider 103 along the second transverse direction D2 is L4. Where L3 ≥ L4. By limiting this distance, during unlocking, the distance the driving member 300 drives the second locking part 510 to move is greater than the effective distance between the second locking part 510 and the first locking part 101. When the driving member 300 is activated, it ensures that the first locking part 101 and the second locking part 510 are disengaged, and the slider 103 can abut against the first locking part 101 under the elastic force of the third elastic member 104, thereby preventing the second locking part 510 from accidentally engaging with the first locking part 101.

[0180] As described above, the fourth elastic element 150 provides the elastic force to open the lid 200. Optionally, the second locking element 500 is disposed opposite to the fourth elastic element 150. During the opening process, the user operates the drive element 300, the second locking element 500 moves to the second unlocked position, and the first locking element 400 moves to the first unlocked position, thereby releasing the locking state between the lid 200 and the pot body 100. At this time, the elastic potential energy stored in the fourth elastic element 150 begins to be released, pushing the lid 200 to open. The torque assistance of the fourth elastic element 150 makes it easier for the user to open and close the lid.

[0181] Optionally, refer to Figures 1 to 6 The cover 200 also includes a button 800. The button 800 is for user operation, is vertically movable, and is arranged vertically with the drive member 300. The button 800 can actuate the drive member 300, thereby moving the transmission member 600 and the second locking member 500. The drive member 300 and the button 800 interact through contact surfaces. Optionally, when the button 800 moves vertically, its lower end face can contact a corresponding part of the drive member 300, applying a force to the drive member 300 to initiate its operation.

[0182] Optionally, button 800 is exposed outside cover 200. Actuator 300 is located inside cover 200.

[0183] By separating the button 800 and the drive component 300, the drive component 300 can be freely adjusted in position within the cooking appliance cover 200 according to factors such as internal space layout and transmission requirements, without restricting the installation and movement of the button 800.

[0184] Optionally, the cover 200 further includes a fifth elastic element 810, which is connected to the button 800 and is used to apply an elastic force to the button 800 to move it toward an initial position. Optionally, the fifth elastic element 810 includes, but is not limited to, a compression spring and a tension spring.

[0185] Reference Figures 1 to 4 , Figure 20 The cover 200 also includes a sixth elastic element 320, which is connected to the drive element 300 and is used to apply an elastic force toward the resting position to the drive element 300. The sixth elastic element 320 includes, but is not limited to, compression springs and tension springs.

[0186] In this design, the vertical direction D0, the first horizontal direction D1, the second horizontal direction D2, and the third horizontal direction D3 are all bidirectional. With the pot body 100 in a horizontal and upright position, and the lid 200 closed on top of the pot body 100, the vertical direction D0 includes both upward and downward directions; the first horizontal direction D1 includes both forward and backward directions; the second horizontal direction D2 includes both forward and backward directions; and the third horizontal direction D3 includes both left and right directions.

[0187] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for descriptive purposes only and is not intended to limit the scope of the invention. Terms such as “set” appearing herein can refer to either a component being directly attached to another component or a component being attached to another component via an intermediary. A feature described in one embodiment may be applied, alone or in combination with other features, to another embodiment, unless that feature is not applicable in that other embodiment or is otherwise stated.

[0188] This utility model has been described through the above embodiments. However, it should be understood that the above embodiments are for illustrative purposes only and are not intended to limit this utility model to the described embodiments. Those skilled in the art will understand that many more variations and modifications can be made based on the teachings of this utility model, and all such variations and modifications fall within the scope of protection claimed by this utility model.

Claims

1. A cooking utensil, characterized in that, include: A pot body, the pot body comprising a shell and a pot interior located within the shell; A lid, which is foldably disposed on the pot body; A driving member is movably disposed on the cover body. The driving member is used to receive an external force applied by the user and can move between a resting position, a first actuation position and a second actuation position under the action of the external force. The resting position, the first actuation position and the second actuation position are arranged sequentially in the vertical direction. The first locking member is connected to the driving member in a transmission manner. The driving member can drive the first locking member to move along the first lateral direction between a first unlocking position that unlocks the inner pot and a first locking position that defines the relative position of the inner pot and the lid. The first lateral direction is approximately perpendicular to the vertical direction. as well as The second locking member is connected to the driving member in a transmission manner. The driving member can drive the second locking member to move along the second lateral direction between the second unlocking position of unlocking the housing and the second locking position of locking the housing. There is an intermediate position between the second unlocking position and the second locking position. The second lateral direction is approximately perpendicular to the vertical direction. In the state where the lid covers the pot body, when the driving member is moved from the resting position to the first actuation position by the external force, the first locking member moves from the first locked position to the first unlocked position, and the second locking member moves from the second locked position to the intermediate position. During the process of the drive member being moved from the first actuation position to the second actuation position by the external force, the first locking member remains in the first unlocking position, and the second locking member moves from the intermediate position to the second unlocking position.

2. The cooking utensil according to claim 1, characterized in that, The driving component is provided with a third inclined surface and a fifth inclined surface spaced apart along the vertical direction, both the third inclined surface and the fifth inclined surface being inclined relative to the second transverse direction and the vertical direction; wherein, in the closed state of the cover: During the process of the driving member moving from the resting position to the first actuation position, the third inclined surface can contact the second locking member and push the second locking member to move towards the intermediate position; During the process of the driving member moving from the first actuation position to the second actuation position, the fifth inclined surface can contact the second locking member and push the second locking member to move toward the second unlocking position.

3. The cooking utensil according to claim 2, characterized in that, The second locking member is provided with a fourth inclined surface, which is inclined relative to both the second lateral direction and the vertical direction. During the process of the driving member moving from the resting position to the second actuating position, the fourth inclined surface can contact the driving member and push the second locking member toward the second unlocking position.

4. The cooking utensil according to claim 2, characterized in that, The cover is also provided with a second elastic element, which is used to apply a force to the second locking element to move toward the second locking position.

5. The cooking utensil according to claim 4, characterized in that, The second locking member also includes an additional position located between the second locked position and the second unlocked position; When the external force applied to the drive member is removed, the second locking member moves from the second unlocked position to the additional position, and at least a portion of the drive member is located in the second actuated position.

6. The cooking utensil according to claim 5, characterized in that, The driving member includes a third locking part, which moves along the vertical direction with the driving member. A third inclined surface is formed on the third locking part, and a fifth inclined surface is located above the third locking part. The second locking member includes a fourth locking portion, which moves along the second transverse direction with the second locking member, and a fourth inclined surface is formed in the fourth locking portion; When the second locking member is in the additional position and the driving member is in the second actuated position, the third locking part engages with the fourth locking part.

7. The cooking utensil according to any one of claims 2 to 6, characterized in that, The housing includes a first locking part; The second locking member further includes a second locking part, which moves along the second lateral direction with the second locking member; When the lid covers the pot body, and the second locking member is in the second locking position, the first locking part engages with the second locking part.

8. The cooking utensil according to claim 7, characterized in that, When the cover is closed, and the first locking part and the second locking part are engaged, the dimension of the overlapping area of ​​the first locking part and the second locking part along the second transverse direction is L1; When the cover is open, the third locking part and the fourth locking part are engaged, and the second lateral dimension of the overlapping area of ​​the third locking part and the fourth locking part is L2; The dimension of the fifth inclined plane along the second transverse direction is L3; Among them, L3>L1≥L2.

9. The cooking utensil according to any one of claims 2 to 6, characterized in that, The cooking appliance is configured such that, during the process of the second locking member contacting the fifth inclined surface, the first locking member is located in the first unlocked position.

10. The cooking utensil according to claim 9, characterized in that, The driving component directly drives, or first contacts and drives the first locking component to move, so that the first locking component moves from the first locked position to the first unlocked position; The driving member then contacts and drives the second locking member to move, causing the second locking member to move from the second locked position to the second unlocked position.

11. The cooking utensil according to claim 10, characterized in that, The cooking appliance further includes a transmission component connected to the first locking component and the driving component, so as to convert the driving force of the driving component in the vertical direction into a pushing force applied to the first locking component; The second locking member is located on the movement path of the third inclined surface, and the second locking member in the second locking position is spaced apart from the third inclined surface.

12. The cooking utensil according to claim 11, characterized in that, The first locking element includes: A drive frame is driven to the transmission member and moves in a third lateral direction in response to a driving force from the transmission member in the first lateral direction, the first lateral direction being substantially perpendicular to the third lateral direction. A fastening element is connected to the drive frame. The fastening element is movable as the drive frame moves. The fastening element has a fastening position corresponding to a first locking position of the first locking element and a disengaging position corresponding to a first unlocking position of the first locking element. The fastening element located at the engaging position is closer to the center of the inner pot than the fastening element located at the disengaged position.

13. The cooking utensil according to claim 12, characterized in that, The two drive frames are spaced apart along the third transverse direction, and the plurality of fasteners are divided into two groups, each group being connected to a corresponding drive frame. The drive frame is movable along the third transverse direction to drive the movement of the group of fasteners connected to it.

14. The cooking utensil according to claim 13, characterized in that, A first elastic element is provided between the two drive frames, the first elastic element being used to apply a force to the drive frames to bring the two drive frames closer to each other along the third lateral direction.

15. The cooking utensil according to claim 13, characterized in that, The first locking member further includes a guide member, which is connected to the transmission member and is movable along the first lateral direction to transmit the driving force; The two drive frames are respectively connected to the guide members; When the drive unit is operated, it causes the guide to move along the first lateral direction, thereby driving the two drive frames to move simultaneously or in a preset order along the third lateral direction in opposite directions.

16. The cooking utensil according to claim 15, characterized in that, The transmission component is constructed as a swing arm that can rotate relative to the cover about a pivot. The swing arm has a first end and a second end. The first end of the swing arm is slidably connected to the driving component through a first transmission hole, and the second end of the swing arm is slidably connected to the guide component through a second transmission hole. The first transmission hole is constructed as a long slot or a long hole; and / or The second transmission hole is constructed as a long slot or a long hole.

17. The cooking utensil according to claim 16, characterized in that, The second transmission hole includes a sliding part and a limiting and retaining part that are connected to each other; When the guide moves within the sliding portion, it drives the first locking member to move; When the guide moves to and engages with the limiting retaining part, the first locking member remains in the first unlocked position.

18. The cooking utensil according to claim 17, characterized in that, The limiting and retaining part is located on the side of the sliding part away from the rotating shaft, and at least a portion of the limiting and retaining part is constructed as an arc segment.

19. The cooking utensil according to claim 1, characterized in that, The housing is provided with a first inclined surface, which is inclined relative to both the second lateral direction and the vertical direction. During the closing process of the cover, the first inclined surface can contact the second locking member and push the second locking member toward the second unlocking position; and / or The second locking member has a second inclined surface, which is inclined relative to both the second horizontal direction and the vertical direction. During the closing process of the cover, the second inclined surface can contact the second locking member and push the second locking member to move toward the second unlocking position.

20. The cooking utensil according to claim 19, characterized in that, The driving component includes a third locking part, which moves along the vertical direction with the driving component; The second locking member includes a fourth locking portion, which moves with the second locking member along the second lateral direction; wherein, During the closing process of the cover, the first inclined surface and / or the second inclined surface guide the second locking member to move toward the second unlocking position, causing the third locking part to disengage from the fourth locking part.

21. The cooking utensil according to claim 19, characterized in that, The housing includes a first locking portion, and the first inclined surface is formed in the first locking portion; The second locking member further includes a second locking portion, and the second inclined surface is formed in the second locking portion.

22. The cooking utensil according to any one of claims 1 to 6, 19 to 21, characterized in that, The cover is also provided with a sixth elastic element, which is used to apply a force to the drive member to move toward the resting position.

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