Cooking utensil

Abstract

The utility model discloses a cooking utensil, a cover body of the cooking utensil comprises a rotating frame and an opening stopping assembly, and the rotating frame can rotate and is provided with a pushing part protruding outwards in the horizontal direction; the opening stopping assembly is located on the front side, in the circumferential direction of the rotating frame, of the pushing part and comprises a limiting lever, the limiting lever is rotatably arranged between a stopping position where the lower hook piece is prevented from being separated from the upper hook piece and an avoiding position where the lower hook piece is allowed to be separated around a fourth axis extending in the front-back direction, and the fourth axis passes through the middle of the limiting lever; the pushing part moves towards or away from the limiting lever when the rotating frame rotates, and the limiting lever rotates to the stopping position when pushed by the pushing part and rotates to the avoiding position when separated from the pushing part. The opening stopping assembly can stop the lower hook piece from rotating when the cover body is closed and the cooking space is pressed, so that the lower hook piece is kept at the locking position hooked to the upper hook piece, and the risk that a consumer is scalded by high-pressure gas due to the fact that the cover body is opened by misoperation can be avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of kitchen household appliances, and more specifically to a cooking utensil. Background Technology

[0002] Existing pressure cooking appliances, such as pressure rice cookers, generate significant pressure within the cooking space during cooking. If a consumer accidentally presses the lid-opening button, the lower hook connected to the button may detach from the upper hook on the lid, causing the lid to open and releasing a large amount of high-pressure gas, potentially scalding the consumer. To address this issue, the lid typically incorporates a stop-opening structure. Some stop-opening structures have few components, but the limiting and driving components are integrated, which is inconvenient for space arrangement and manufacturing. Other stop-opening structures have too many components, resulting in complex transmission mechanisms and low reliability.

[0003] Therefore, a cooking appliance is needed to at least partially solve the above problems. Utility Model Content

[0004] The description of this utility model introduces a series of simplified concepts, which will be further explained in detail in the detailed description section. This description 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.

[0005] To at least partially solve the above problems, this utility model provides a cooking utensil, comprising a lid and a pot body. The lid is closable and can be opened and closed within the pot body to form a cooking space between the lid and the pot body. The pot body includes a rotatable lower hook, and the lid includes:

[0006] Upper hook fitting;

[0007] A rotating frame, rotatable about a first axis extending vertically and provided with a pushing part protruding outward in a horizontal direction; and

[0008] The stop assembly is located on the front side of the push unit in the circumferential direction of the rotating frame and includes a limiting lever. The limiting lever is rotatably disposed about a fourth axis extending in the front-rear direction between a stop position that prevents the lower hook from disengaging from the upper hook and a clearance position that allows the lower hook to disengage from the upper hook.

[0009] The fourth axis passes through the middle of the limiting lever; the pushing part moves toward or away from the limiting lever when the rotating frame rotates; the limiting lever rotates to the stop position when pushed by the pushing part and to the avoidance position when separated from the pushing part.

[0010] According to this solution, the anti-opening component prevents the lower hook from rotating when the lid is closed and the cooking space is pressurized, keeping the lower hook in the locked position where it is hooked to the upper hook. This avoids the risk of consumers being burned by high-pressure gas due to accidental opening of the lid, improving product safety. Under normal pressure, the anti-opening component moves away from the lower hook when the lid is opened, without restricting its rotation, allowing for unlocking and opening of the lid. The movement of the anti-opening component is achieved through a pushing part on the rotating frame. Specifically, the limiting lever is pushed up and down by the circumferentially moving pushing part, thereby blocking and releasing the lower hook. The limiting lever is separate from the rotating frame, allowing these two components to be manufactured and spatially arranged separately, simplifying the structure and optimizing the space of the internal components of the lid. The transmission method between the rotating frame and the limiting lever is simple and has higher reliability.

[0011] Optionally, the limiting lever includes a transmission part and a stop part located on both sides of the fourth axis. The transmission part extends horizontally and can abut against the pushing part in the height direction, while the stop part extends partially downward to abut against the lower hook member. According to this solution, the limiting lever has a horizontal part and a vertical part. The pushing part of the horizontal part can cooperate with the transmission part in the height direction, and the stop part of the vertical part extends into or away from the location of the lower hook member. The overall structure of the limiting lever is simple and easy to manufacture.

[0012] Optionally, the dimension from the lower end of the stop to the fourth axis is greater than the dimension from the free end of the transmission part to the fourth axis. According to this scheme, the power arm of the limiting lever is greater than the resistance arm, so that the dimension of the transmission part forming the power arm in the horizontal direction is designed to be smaller, occupying less space in the cover body, which is conducive to improving the space utilization of the cover body; the dimension of the stop forming the resistance arm can reach the position of the lower hook.

[0013] Optionally, one of the transmission part and the push part is provided with a transmission surface, which is configured to gradually extend upward or downward from one end near the fourth axis, and the other of the transmission part and the push part can slide relative to each other along the transmission surface. According to this solution, the transmission surface is configured as a guide surface with a slope in the height direction, which can guide the push part to slide relative to each other on the guide surface, so that the push part gradually rotates upward in the height direction, the transmission is smoother, and thus the overall movement of the stop assembly is more stable and reliable.

[0014] Optionally, the surface of the other of the transmission and propulsion parts that contacts the transmission surface is an inclined surface, a curved surface, or an arc surface. According to this solution, the part that mates with the transmission surface is not a right angle, but a corner with an inclined surface, a curved surface, or an arc surface, which makes the contact with the transmission surface more stable and the transmission smoother.

[0015] Optionally, the transmission part is provided with a transmission surface. The transmission surface faces downwards and gradually extends upwards from one end near the fourth axis, and the pushing part abuts against the transmission surface from below to push the transmission part upwards. Alternatively, the transmission surface faces upwards and gradually extends downwards from one end near the fourth axis, and the pushing part abuts against the transmission surface from above to push the transmission part downwards. According to this solution, the limiting lever is smaller and simpler in construction than the rotating frame, and placing the transmission surface on the limiting lever facilitates manufacturing. When the transmission surface faces downwards, the stop extends into or away from the lower hook from the upper side of the lower hook and easily adheres to a larger portion of the surface of the lower hook, resulting in higher reliability in blocking the lower hook. When the transmission surface faces upwards, the stop extends into or away from the lower hook from the horizontal side of the lower hook, and the stop is farther from the upper hook, avoiding interference with components at the upper hook.

[0016] Optionally, the anti-opening assembly also includes a reset elastic element, which applies an elastic force to the limiting lever to rotate toward the avoidance position. According to this solution, by means of the reset elastic element, the limiting lever can automatically return to the avoidance position and remain in the avoidance position after the thrust disappears, thus preventing the limiting lever from interfering with opening the cover.

[0017] Optionally, the pushing part can abut against the transmission part from below, and the reset elastic member is located on the side where the stop part of the fourth axis is located. Alternatively, the pushing part can abut against the transmission part from above, and the reset elastic member is located on the side where the transmission part of the fourth axis is located. According to this solution, the position of the reset elastic member is set according to the rotation direction of the limit lever. When the reset elastic member is on the side where the stop part is located, it can bias the stop part upward to reset the limit lever. This structure requires a smaller pushing force to overcome the elastic force and is relatively labor-saving. When the reset elastic member is on the side where the transmission part is located, it can bias the transmission part upward to reset the limit lever. This structure requires a slightly larger pushing force to overcome the elastic force and is slightly more labor-intensive.

[0018] Optionally, when the limiting lever is in the stop position, the distance between it and the outer side of the lower hook component is 1–20 mm. When the limiting lever is in the clearance position, the distance between it and the lower hook component is 1–10 mm. According to this solution, the limiting lever provides more effective blocking in the stop position, preventing the lower hook component from rotating due to insufficient interference; the limiting lever has sufficient clearance in the clearance position, preventing motion interference due to insufficient clearance.

[0019] Optionally, the pot body includes a pot inner vessel, and the lid includes fastening members. The fastening members are circumferentially spaced along the first axis and radially movably connected to the rotating frame, moving radially as the rotating frame rotates. The fastening members are movable between a locked position engaged with the pot opening of the pot inner vessel and an unlocked position disengaged from the pot opening. According to this solution, when the lid is closed and the cooking space is pressurized, the fastening members can hook onto the pot opening of the pot inner vessel, ensuring a tighter seal between the pot opening sealing ring and the pot opening, preventing insufficient pressure due to air leakage from affecting the cooking effect. The rotating frame can drive the fastening members to move radially and also drive the rotation of the limiting lever; the rotating frame correlates the movement of the fastening members with the rotation of the limiting lever, ensuring that the limiting lever is in the stop position when the fastening members are in the locked position. This effectively prevents the lid from opening due to accidental operation when the cooking space is pressurized. Attached Figure Description

[0020] The following drawings, which are incorporated herein by reference as part of this invention, are provided for understanding the invention. The drawings illustrate embodiments of the invention and their descriptions, serving to explain the principles of the invention.

[0021] In the attached image:

[0022] Figure 1 A cross-sectional view of a cooking appliance according to a preferred embodiment of this application;

[0023] Figure 2 for Figure 1 An exploded view of the cooking appliance shown;

[0024] Figure 3 For viewing from the rear side Figure 1 A perspective view of the cooking appliance shown, with the lid removed;

[0025] Figure 4 for Figure 3 The diagram shows a top view of the cover, with the faceplate removed, and positions P1 and P2 indicated by dashed lines;

[0026] Figure 5 for Figure 4 Another top view of the partial cover shown, with positions P3 and P4 indicated by dashed lines;

[0027] Figure 6 for Figure 3 A cross-sectional view of the cover, in which the faceplate has been removed;

[0028] Figure 7 for Figure 3 A top view of the transmission arm and drive motor shown;

[0029] Figure 8 for Figure 7The cross-sectional view of the transmission arm and drive motor shown; and

[0030] Figure 9 Viewed from the front side Figure 1 A perspective view of the cooking appliance shown, with the lid removed and the rotating rack in position P4;

[0031] Figure 10 Viewed from the front side Figure 1 Another perspective view of the cooking appliance shown, with the lid removed and the rotating rack in position P3;

[0032] Figure 11 for Figure 9 The diagram shows a structural schematic of the cover opening assembly, the anti-opening assembly, and the button assembly, wherein the fastener is in the locked position;

[0033] Figure 12 for Figure 10 Another structural diagram of the cover opening assembly, the anti-opening assembly, and the button assembly shown is displayed, in which the fastener is located in the unlocked position;

[0034] Figure 13 for Figure 12 The diagram shows the structure of the rotating frame;

[0035] Figure 14 For the state of being partially dissected Figure 1 A perspective view of the cooking appliance shown, with the fasteners in the locked position;

[0036] Figure 15 for Figure 14 A magnified view of section I in the image.

[0037] Explanation of reference numerals in the attached figures:

[0038] 100: Pot body 101: Inner pot

[0039] 102: Heating device; 103: Button assembly

[0040] 104: Button; 105: Lower hook component

[0041] 106: First elastic element; 107: Base

[0042] 108: Outer shell 109: Middle plate

[0043] 110: Cover body; 110a: Steam passage

[0044] 110b: Pressure relief channel; 111: Face cover

[0045] 112: Liner; 113: Inner cover assembly

[0046] 113a: Inner cover; 113b: Retaining ring

[0047] 113c: Boiler nozzle sealing ring; 114: Steam valve

[0048] 115: Upper hook fitting; 116: Steam seal fitting

[0049] 120: Electric pressure relief device; 120a: Pressure relief assembly

[0050] 120b: Electric drive assembly; 121: Pressure ball

[0051] 122: Electric drive component; 123: Push rod

[0052] 130: Cover locking and opening assembly; 131: Fastening component

[0053] 132: Rotating frame; 132a: Transmission hole

[0054] 132b: Limiting hole; 132c: Frame body

[0055] 132d: Support beam; 132e: Connecting hole

[0056] 132f: Propulsion Unit; 132g: Clearing Gaps

[0057] 133: Drive arm; 133a: Drive end

[0058] 133a1: Snap-fit ​​boss; 133b: Driven end

[0059] 133c: Connecting rod; 134: Drive motor

[0060] 134a: Output shaft; 134b: Snap-fit ​​recess

[0061] 135: Force transmission component; 136: Float device

[0062] 137: Guide connector 101a: Pot opening

[0063] 140: Stop-opening component; 141: Limit lever

[0064] 141a: Stop part; 141b: Transmission part

[0065] 141c: Transmission surface; 142: Pivot

[0066] 143: Second elastic element AX: Rotation axis

[0067] AX1: First axis line; AX2: Second axis line

[0068] AX3: Third axis; AX4: Fourth axis

[0069] R1: First direction of rotation R2: Second direction of rotation

[0070] D1: Forward / backward direction; D2: Left / right direction

[0071] D3: Height direction Detailed Implementation

[0072] 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 the present invention can 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 the present invention.

[0073] To fully understand this invention, a detailed description will be provided below. Obviously, the implementation of this invention is not limited to the specific details familiar to those skilled in the art. Preferred embodiments of this invention are described in detail below; however, other embodiments may also be possible besides these detailed descriptions.

[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] The ordinal numbers such as "first" and "second" used in this utility model are merely identifiers and have no other meaning, such as a specific order. Furthermore, for example, the term "first component" does not imply the existence of a "second component," and the term "second component" does not imply the existence of a "first component." It should be noted that the terms "upper," "lower," "front," "rear," "left," "right," "inner," "outer," and similar expressions used herein are for illustrative purposes only and are not intended to be limiting. The terms "parallel" / "perpendicular" and similar expressions used in this application encompass both absolute parallel / perpendicular relationships and approximately parallel / perpendicular relationships (e.g., relationships differing from absolute parallel / perpendicular relationships by a range of -5° to +5°), and have equivalent effects.

[0076] 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.

[0077] like Figures 1 to 15 As shown, this application provides a cooking appliance. The cooking appliance may include a pot body 100 and a lid 110. The pot body 100 is used for cooking food. The lid 110 is used to cover the pot body 100. For example, the lid 110 is connected to the pot body 100 in an openable and closable manner to cover the pot body 100. When the lid 110 covers the pot body 100, a cooking space is formed between the lid 110 and the pot body 100.

[0078] The pot body 100 includes a pot inner 101 and a heating device 102. The pot inner 101, used to hold food, is removably installed in the pot body 100. When the lid 110 closes the pot body 100, a cooking space is formed between the lid 110 and the pot inner 101. The heating device 102 is located at the bottom of the pot body 100, below the pot inner 101, to heat the food in the pot inner 101. The pot body 100 also includes a base 107, an outer shell 108, and a middle plate 109 that form spaces for accommodating the pot inner 101, heating device 102, etc. The upper end of the outer shell 108 is connected to the middle plate 109, and its lower end is connected to the base 107. The middle plate 109 and the base 107 are internally connected by a plurality of screw posts and a plurality of screws.

[0079] The lid 110 is rotatably connected to the pot body 100 via a pivot about a rotation axis AX. The rotation axis AX is located at one end of the pot body 100 in the front-rear direction D1. A torsion spring is mounted on the pivot, with its two ends abutting against the lid 110 and the pot body 100 respectively, allowing the torsion spring to apply an elastic force to the lid 110 away from the pot body 100. When the lid 110 is opened, it springs upward under the elastic force of the torsion spring and rotates about the pivot.

[0080] The cover 110 includes a top cover 111, a liner 112, and an inner cover assembly 113. The top cover 111 is located on the outermost (i.e., uppermost) side of the cover 110, forming the outer shell of the cover 110. The liner 112 is located below the top cover 111 and is connected to it. For example, the liner 112 can be connected to the top cover 111 via fasteners or snap-fits. The liner 112 is primarily used to centrally mount various functional components of the cover 110 that sense and control the operating status of the cooking appliance, such as sensors. The inner cover assembly 113 is located on the innermost (i.e., lowermost) side of the cover 110 and is located below the liner 112. The inner cover assembly 113 is detachably connected to the liner 112, for example via snap-fits, for easy cleaning and replacement. The inner cover assembly 113 includes an inner cover 113a, a retaining ring 113b, and a pot opening sealing ring 113c. The pot opening sealing ring 113c is fixed to the outer periphery of the inner cover 113a by the retaining ring. When the cover is closed, the pot opening sealing ring 113c abuts against the pot opening 101a of the inner pot 101 to form a seal.

[0081] The cover 110 is provided with a channel assembly for forming a steam passage 110a. Exemplarily, the channel assembly includes a steam valve 114 and a steam seal 116. The steam valve 114 has a vent (not shown) communicating with the outside environment. The cooking space communicates with the external environment through the steam passage 110a to release steam generated during cooking. The steam seal 116 is located below the steam valve 114 and forms a seal between the steam valve 114 and the inner cover 113a.

[0082] The cooking appliance also includes an electrically operated pressure relief device 120. The electrically operated pressure relief device 120 is located on the lid 110 and is used to open and close the steam passage 110a. See also... Figure 2 , Figures 4 to 6For example, the electric pressure relief device 120 may include a pressure relief assembly 120a having a steam venting passage 110b and an electric drive assembly 120b capable of opening and closing the steam venting passage 110b. The pressure relief assembly 120a is disposed within and communicates with the steam passage 110a in the inner cover assembly 113, and is removable from the cover along with the inner cover assembly 113. The electric drive assembly 120b is disposed in the liner and located on one side of the steam passage 110a in the horizontal direction. Exemplarily, the pressure relief assembly 120a includes a pressure ball 121 for sealing the steam venting passage 110b. The electric drive assembly 120b drives the pressure ball 121 to move between an open position (opening the steam venting passage 110b) and a closed position (closing the steam venting passage 110b). When the pressure ball 121 is in the open position, the steam venting passage 110b is opened, and the steam passage 110a communicates with the cooking space via the steam venting passage 110b. When the pressure ball 121 is in the closed position, the steam venting passage 110b is blocked by the pressure ball 121, and the steam passage 110a is not connected to the cooking space in order to realize the cooking function that requires pressurization or pressure increase.

[0083] The electric drive assembly 120b includes an electric drive element 122 and a push rod 123. One end of the push rod 123 is connected to the output shaft of the electric drive element 122, and the other end abuts against a pressure ball 121. The electric drive element 122 drives the push rod to move linearly to keep the pressure ball 121 in the open position. When the force of the push rod 123 is removed, the pressure ball 121 returns to the closed position under gravity. Optionally, the electric drive element 122 is a push-pull electromagnet.

[0084] See Figure 2 , Figure 4 and Figure 5The cooking appliance may also include a locking / unlocking assembly 130, which enables a tighter seal between the pot opening sealing ring 113c and the pot opening portion 101a. The locking / unlocking assembly 130 includes two or more fastening elements 131, a rotating frame 132, and a drive motor 134. The two or more fastening elements 131 are arranged circumferentially spaced along the inner lid assembly 113, or the inner lid 113a, and each fastening element 131 partially extends beyond the outer periphery of the inner lid assembly 113. The fastening elements 131 are radially movable along the inner lid assembly 113, or the inner lid 113a, between a locked position and an unlocked position. When the fastening element 131 is in the locked position, it engages / hooks onto / encloses the pot opening portion 101a of the inner pot 101 from below, clamping the pot opening portion 101a and the outer periphery of the inner lid assembly 113. This ensures a tighter seal between the pot opening sealing ring 113c and the pot opening 101a, preventing insufficient pressure due to air leakage and thus affecting cooking performance. When the fastener 131 is in the unlocked position, it disengages from the pot opening 101a, allowing the lid to be opened. The rotating frame 132 is rotatably connected to the liner 112 about the first axis AX1 between the third extreme position P3 and the fourth extreme position P4. The first axis extends vertically and passes through the center of the inner cover assembly 113, or more precisely, the center of the inner cover 113a. The fastener 131 is movably connected to the rotating frame 132 and moves radially as the rotating frame 132 rotates. The drive motor 134 drives the rotating frame 132 to rotate.

[0085] It should be noted that the circumferential and radial directions of the inner lid assembly 113 / inner lid 113a in this article are based on the first axis, and therefore can also be described as circumferential and radial directions based on the first axis. In order to hook the pot opening 101a, the fastener 131 may include a clamp for accommodating the pot opening 101a of the inner pot 101 and the outer periphery of the inner lid assembly 113.

[0086] Continue reading Figures 2 to 5 , Figures 9 to 13 The rotating frame 132 is provided with two or more transmission holes 132a corresponding to the fastening member 131. The fastening member 131 is slidably connected to the transmission hole 132a along its extension direction. When the rotating frame 132 rotates, the fastening member 131 moves within the transmission hole and is guided by the transmission hole to move radially between a locked position and an unlocked position. The transmission hole can convert the rotational motion of the rotating frame 132 into the linear motion of the fastening member 131. The transmission hole is an elongated hole and includes at least a straight segment, the angle between the extension direction of the straight segment and the radial direction of the inner cover 113a extending through the fastening member 131 is an acute angle. The rotating frame 132 is drive-connected to the drive motor 134. When the rotating frame 132 rotates to the third limit position P3, the fastening member 131 is in the unlocked position. When the rotating frame 132 rotates to the fourth limit position P4, the fastening member 131 is in the locked position.

[0087] See Figure 4 , Figure 5 The fastening member 131 is connected to the corresponding transmission hole 132a via a guide connector 137. The guide connector 137 may include fasteners such as screws or bolts. The guide connector 137 is connected to the fastening member 131. The guide connector 137 is located within the transmission hole 132a and is movable relative to the transmission hole 132a. The transmission of the rotating frame is transmitted to the fastening member 131 via the guide connector, which is capable of sliding relative to the transmission hole. During the rotation of the rotating frame 132, the fastening member 131 achieves radial movement within the inner cover assembly 113 through the sliding engagement of the guide connector 137 and the transmission hole 132a.

[0088] See Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figures 10 to 12 The cooking appliance may also include a transmission component, through which the output shaft 134a of the drive motor 134 can be connected to the rotating frame 132 to drive the rotating frame 132 to rotate. The transmission component is configured as a rotatable transmission arm 133. Exemplarily, the transmission arm 133 has opposite active ends 133a and driven ends 133b. The transmission arm 133 is rotatable about a second axis located at the active end, and the driven end is connected to the rotating frame 132 and drives the rotating frame 132 to rotate. The second axis extends vertically and is parallel to the first axis. The active end 133a is connected to the output shaft 134a of the drive motor 134 to receive the rotational force of the drive motor to rotate the transmission arm. The rotation direction of the transmission arm 133 is the same as that of the output shaft 134a of the drive motor 134, and the rotation direction of the transmission arm 133 is opposite to that of the rotating frame 132.

[0089] During the rotation of the transmission arm 133 in the first rotation direction R1, the rotating frame 132 rotates in the second rotation direction R2, which is opposite to the first rotation direction R1, causing the fastening member 131 to move towards the locked position. During the rotation of the transmission arm 133 in the second rotation direction R2, the rotating frame 132 rotates in the first rotation direction R1, causing the fastening member 131 to move towards the unlocked position. The power of the drive motor 134 is transmitted to the rotating frame 132 through the transmission arm 133, which facilitates the reasonable arrangement of the positions of the rotating frame 132 and the drive motor 134.

[0090] See Figure 2 , Figure 3 , Figures 4 to 12Optionally, the drive motor 134 can drive the transmission arm 133 to rotate along the second rotation direction R2 to the first limit position P1, thereby causing the rotating frame 132 to rotate to the third limit position P3, and thus causing the fastening member 131 to move to the unlocked position. The drive motor 134 can also drive the transmission arm 133 to rotate along the first rotation direction R1 to the second limit position P2, thereby causing the rotating frame 132 to rotate to the fourth limit position P4, and thus causing the fastening member 131 to move to the locked position.

[0091] See Figure 3 , Figures 4 to 7 , Figures 9 to 12 Optionally, the cooking appliance may also include a force transmission element 135. This force transmission element 135 is connected to the active end 133a. By manually applying a torsional force to the drive arm 133 at the force transmission element 135, the rotating frame 132 can be driven to rotate, thereby moving the fastener 131 to the unlocked position. Here, the force transmission element 135 can be configured as a lever.

[0092] See Figure 7 and Figure 8 Optionally, the driving end 133a has a hole for connecting the output shaft 134a of the drive motor 134. The output shaft 134a is inserted into the hole of the driving end 133a. Exemplarily, the output shaft 134a also has a locking recess 134b, and correspondingly, the inner wall of the hole in the driving end 133a has a locking boss 133a1. Through the cooperation of the locking recess 134b and the locking boss 133a1, the driving end 133a can be locked to the output shaft 134a to prevent the driving end 133a from disengaging from the output shaft 134a.

[0093] See Figure 12 and Figure 13 Furthermore, the rotating frame 132 has a connecting hole 132e. The transmission arm 133 also has a connecting rod 133c. The connecting rod 133c is inserted into the connecting hole 132e. The connecting hole 132e provides allowance for radial movement of the connecting rod 133c relative to the rotating frame 132. For example, the connecting hole 132e can be configured as an elongated shape extending radially based on the first axis AX1, such as an oblong hole, a square hole with rounded corners, etc. The connecting hole 132e can be a through hole or a blind hole. The connecting hole 132e is located at the edge of the rotating frame 132.

[0094] It is understandable that in other examples, the positions of the connecting hole and the connecting rod can be interchanged; that is, the connecting hole can be set in the transmission arm, and the connecting rod can be set in the rotating frame.

[0095] See Figure 4 and Figure 5Optionally, the cover 110 also includes a float device 136, with a corresponding through hole in the inner cover 113a. The float device 136 controls the pressure within the cooking space via this through hole. A rotating frame 132 is located between the liner 112 and the top cover 111. The rotating frame 132 has a limiting hole 132b at a distance offset from the first axis AX1. When the fastener 131 is in the locked position, the limiting hole 132b and the float device 136 are aligned. When pressure is applied to the cooking space, the float in the float device 136 moves upward and inserts into the limiting hole 132b. This prevents the rotating frame 132 from rotating. When the cooking space is under normal pressure, the float disengages from the limiting hole 132b. At this time, the rotating frame 132 can rotate relative to the liner 112.

[0096] See Figure 11 and Figure 13 For example, the rotating frame 132 includes an annular frame body 132c and support beams 132d. The support beams 132d are staggered and connect to the frame bodies 132c at different positions to form clearance gaps 132g. Two or more fasteners 131 are connected to the frame bodies 132c. The support beams 132d are rotatably connected to the cover 112 at positions through which the first axis AX1 passes. These clearance gaps 132g are designed to avoid interference with electrical structures or mechanical structures such as electrical components, devices, and electrical elements located between the rotating frame 132 and the cover 112, or between the rotating frame 132 and the faceplate 111.

[0097] See Figure 4 , Figure 5 , Figures 9 to 12 , Figures 14 to 15 Optionally, the pot body 100 includes a button assembly 103 and a stop-open assembly 140. The button assembly 103 is located at the front end of the pot body 100. The button assembly 103 is configured to automatically switch to a locked state after the lid 110 is closed with the pot body 100, and to switch to an unlocked state when pressed by an external force, thereby facilitating the opening of the lid 110. The stop-open assembly 140 is used to prevent the button assembly 103 from switching from the locked state to the unlocked state. The rotating frame 132 may include a pushing part 132f. The pushing part 132f is used to abut against the stop-open assembly 140 during the rotation of the rotating frame 132 around the first axis AX1, so that the stop-open assembly 140 can abut against the button assembly 103 when the lid 110 is closed with the pot body 100, thereby preventing or allowing the button assembly 103 from switching from the locked state to the unlocked state.

[0098] With the lid 110 closed on the pot body 100, when the rotating bracket 132 rotates to the position where the fastening member 131 is in the locked position, the pushing part 132f abuts against the anti-opening component 140, preventing the button assembly 103 from switching from the locked state to the unlocked state. This adds an extra layer of safety to the cooking appliance, preventing the button assembly 103 from being accidentally operated when the fastening member 131 is in the locked position, thus improving the safety of the cooking appliance.

[0099] See Figures 9 to 12 Specifically, the button assembly 103 may include a button 104, a lower hook 105, and a first elastic element 106. The button 104 is connected to the lower hook 105. The first elastic element 106 is connected to either the button 104 or the lower hook 105, and is used to directly or indirectly reset the button 104 automatically. That is, the first elastic element 106 is the button's reset elastic element. After the button 104 is reset, the button assembly 103 is in a locked state. The lower hook 105 is rotatably connected to the body 100 at its center, and its lower part is connected to the button. The lower hook 105 is rotatable in the inward and outward directions about a third axis AX3 extending horizontally. The cover 110 is provided with an upper hook 115. The lower hook 105 can rotate between the position where it is hooked onto the upper hook 115 and the position where it is disengaged from the upper hook 115, thereby achieving the purpose of locking and unlocking.

[0100] The stop assembly 140 is in the stop position where the hook 105 is disengaged from the upper hook 115 (see [reference]). Figure 11 ) and the clearance position that allows the lower hook 105 to disengage from the upper hook 115 (see Figure 12 The locking assembly 140 is movably positioned between the upper hook and the lower hook 115. When the lid 110 is closed and the cooking space is pressurized, the locking assembly 140 prevents the lower hook 105 from rotating, keeping it in the locked position hooked to the upper hook 115. This avoids the risk of burns from high-pressure gas due to accidental opening of the lid, improving product safety. Under normal pressure, the locking assembly 140 moves away from the lower hook 105 when the lid is opened, without restricting its rotation, allowing the lid to be opened after unlocking.

[0101] See Figure 11 , Figure 12 , Figure 15The stop-opening assembly 140 is disposed on the cover 112 and located on the front side of the pusher 132f in the circumferential direction. Exemplarily, the stop-opening assembly 140 may include a limiting lever 141, a pivot 142, and a second elastic member 143. The middle portion of the limiting lever 141 is rotatably connected to the cover 112 via the pivot 142 about a fourth axis AX4. The fourth axis AX4 passes through the middle portion of the limiting lever 141. It should be noted that "middle portion" here refers to the portion other than the ends. The fourth axis AX4 extends in the front-rear direction and intersects the circumferential reference line of the pusher 132f. The limiting lever 141 is rotatable between a stop position that prevents the lower hook 105 from disengaging from the upper hook 115 and a clearance position that allows the lower hook 105 to disengage from the upper hook 115. When pushed by the pusher 132f, the limiting lever 141 rotates to the stop position, at which point the lower portion of the limiting lever 141 abuts against the lower hook 105. When the limiting lever 141 separates from the pushing part 132f, it rotates to the avoidance position, at which point the lower part of the limiting lever 141 moves away from the lower hook member 105. A second elastic member 143 is connected between the limiting lever 141 and the cover 112, and is used to apply an elastic force to the limiting lever 141 to rotate towards the avoidance position. In other words, the second elastic member 143 is a reset elastic member for the limiting lever 141. The second elastic member 143 can be, for example, a torsion spring.

[0102] The movement of the stop assembly 140 is achieved through the pusher 132f on the rotating frame 132. Specifically, the limit lever 141 is pushed up and down by the circumferentially moving pusher 132f, thereby blocking and releasing the lower hook 105. The limit lever 141 is separate from the rotating frame 132, allowing these two components to be manufactured and spatially arranged separately, which helps to simplify the structure and optimize the space of the internal components of the cover; the transmission form between the rotating frame 132 and the limit lever 141 is simple and the transmission reliability is higher.

[0103] Specifically, the limiting lever 141 includes a stop portion 141a and a transmission portion 141b located on both sides of the fourth axis AX4. The stop portion 141a and the transmission portion 141b move in opposite directions in the height direction D3. The transmission portion 141b extends horizontally and can abut against the pushing portion 132f in the height direction D3, while the stop portion 141a extends partially downward to abut against the lower hook member 105. The stop portion 141a moves downward until its lower part is located outside the lower hook member 105 to restrict the outward rotation of the lower hook member 105. The limiting lever 141 has a horizontal portion and a vertical portion. The pushing portion 132f of the horizontal portion can cooperate with the transmission portion 141b in the height direction D3, and the stop portion 141a of the vertical portion extends into or away from the position of the lower hook member 105. The overall structure of the limiting lever 141 is simple and easy to manufacture.

[0104] The outer periphery of the rotating frame 132 extends to the outer periphery of the cover 112, and the pushing part 132f protrudes radially outward from the outer periphery of the rotating frame 132. The radial dimension of the pushing part 132f can be designed to be smaller, resulting in a shorter force transmission path and smoother, more reliable transmission from the rotating frame 132 to the limiting lever 141. The dimension from the lower end of the stop part 141a to the fourth axis AX4 is greater than the dimension from the free end of the transmission part 141b to the fourth axis AX4. The power arm of the limiting lever 141 is larger than the resistance arm, allowing the transmission part 141b forming the power arm to be designed with a smaller horizontal dimension, occupying less space within the cover and improving the space utilization of the cover; the dimension of the stop part 141a forming the resistance arm can reach the position of the lower hook 105.

[0105] One of the transmission unit 141b and the pusher unit 132f is provided with a transmission surface 141c. The transmission surface 141c is configured to gradually extend upward or downward from one end near the fourth axis AX4. For example, the transmission surface 141c is an inclined surface, a curved surface, or an arc surface. The other of the transmission unit 141b and the pusher unit 132f can slide relative to each other along the transmission surface 141c. The transmission surface 141c is configured as a guide surface with a slope in the height direction D3, which can guide the pusher unit 132f to slide relative to each other on the guide surface, so that the pusher unit 132f gradually rotates upward in the height direction D3, making the transmission smoother, thereby improving the overall smoothness and reliability of the movement of the stop assembly 140. The surface of the other of the transmission unit 141b and the pusher unit 132f that contacts the transmission surface 141c is an inclined surface, a curved surface, or an arc surface. Obviously, the circumferential dimension of this surface is smaller than the circumferential dimension of the transmission surface 141c, so as to allow relative sliding on the transmission surface 141c. The part that mates with the transmission surface 141c is not a right angle, but a corner with a slope, curved surface or arc surface, which makes the contact with the transmission surface 141c more stable and the transmission smoother.

[0106] In the illustrated example, the transmission part 141b has a transmission surface 141c, and the surface of the pushing part 132f that contacts the transmission surface 141c is a slope, curved surface, or arc surface with a small circumferential dimension. Compared to the rotating frame 132, the limiting lever 141 is smaller and simpler in construction, and placing the transmission surface 141c on the limiting lever 141 facilitates manufacturing. An alternative example, as illustrated, is that the transmission surface 141c faces downwards and gradually extends upwards from one end near the fourth axis AX4. The pushing part 132f can abut against the transmission surface 141c from below to push the transmission part 141b upwards. The stop part 141a extends into or away from the lower hook member 105 from the upper side and easily adheres to a large portion of the top surface of the lower hook member 105, resulting in higher reliability in blocking the lower hook member 105. The second elastic element 143 is located on the side of the stop portion 141a of the fourth axis AX4, and can bias the stop portion 141a upward to reset the limit lever 141. This structure requires less thrust to overcome the elastic force, which is more labor-saving.

[0107] An alternative example is that the transmission surface 141c faces upward and gradually extends downward from one end near the fourth axis AX4, and the pushing part 132f abuts against the transmission surface 141c from above to push the transmission part 141b downward. The stop part 141a extends into or away from the lower hook 105 from the horizontal side of the lower hook 105. The stop part 141a is far from the upper hook 115 to avoid interference with the components at the upper hook 115. The second elastic member 143 is located on the side where the transmission part 141b is located on the fourth axis AX4 and can bias the transmission part 141b upward to reset the limiting lever 141. This structure requires a slightly larger pushing force to overcome the elastic force and is slightly more strenuous.

[0108] The cover 112 may have opposing shaft holes, and the limiting lever 141 is rotatably mounted in the corresponding shaft holes on both sides in the front-rear direction. The cover 112 and the middle plate 109 have clearance openings to allow the upper hook 115 and the stop assembly 140 to pass through. The upper hook 115 and the stop assembly 140 can extend towards the lower hook 105 through the clearance openings, preventing interference between the stop assembly 140 and the cover 112 and the middle plate 109, thus ensuring smooth rotation of the limiting lever 141. A gap exists between the stop portion 141a and the wall of the clearance opening, with a gap size of 0.2–4 mm, such as 0.2 mm, 0.5 mm, 1 mm, 1.5 mm, 2 mm, 3 mm, or 4 mm. This prevents motion interference.

[0109] When the limiting lever 141 is in the stop position, the dimension of its contact with the outer side of the lower hook 105 and the distance between the limit lever 141 and the lower hook 105 is 1-20mm, for example, suitable values ​​such as 1mm, 2mm, 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, etc. When the limiting lever 141 is in the clearance position, the distance between the limiting lever 141 and the lower hook 105 is 1-10mm, for example, suitable values ​​such as 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, etc. According to this solution, the limiting lever 141 provides more effective blocking in the stop position, preventing the lower hook 105 from rotating due to insufficient interference from the limiting lever 141; the limiting lever 141 has sufficient clearance in the clearance position, preventing motion interference due to insufficient clearance.

[0110] 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. Features 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.

[0111] This utility model has been described through the above embodiments. However, it should be understood that the above embodiments are only for illustrative purposes. This utility model is not limited to the above embodiments. Many 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, comprising a lid and a pot body, the lid being closable and openable within the pot body to form a cooking space between the lid and the pot body, characterized in that, The pot body includes a rotatable lower hook, and the lid includes: Upper hook fitting; A rotating frame, rotatable about a first axis extending vertically and having a pushing part protruding outward in a horizontal direction; and An anti-disengagement assembly is located on the front side of the pusher in the circumferential direction of the rotating frame and includes a limiting lever. The limiting lever is rotatably disposed about a fourth axis extending in the front-rear direction between a stop position that prevents the lower hook from disengaging from the upper hook and a clearance position that allows the lower hook to disengage from the upper hook. The fourth axis passes through the middle of the limiting lever; the pushing part moves toward or away from the limiting lever when the rotating frame rotates; the limiting lever rotates to the stop position when pushed by the pushing part and rotates to the avoidance position when separated from the pushing part.

2. The cooking utensil according to claim 1, characterized in that, The limiting lever includes a transmission part and a stop part located on both sides of the fourth axis. The transmission part extends horizontally and can abut against the pushing part in the height direction. The stop part extends partially downward to abut against the lower hook member.

3. The cooking utensil according to claim 2, characterized in that, The dimension from the lower end of the stop portion to the fourth axis is greater than the dimension from the free end of the transmission portion to the fourth axis.

4. The cooking utensil according to claim 2, characterized in that, One of the transmission part and the pushing part is provided with a transmission surface, which is configured to gradually extend upward or downward from one end near the fourth axis, and the other of the transmission part and the pushing part can slide relative to each other along the transmission surface.

5. The cooking utensil according to claim 4, characterized in that, The surface of the other of the transmission part and the pushing part that contacts the transmission surface is an inclined surface, a curved surface, or an arc surface.

6. The cooking utensil according to claim 4, characterized in that, The transmission part is provided with the transmission surface. Wherein, the transmission surface faces downward and gradually extends upward from one end near the fourth axis, and the pushing part can abut against the transmission surface from below to push the transmission part upward; or The transmission surface faces upward and gradually extends downward from one end near the fourth axis. The pushing part can abut against the transmission surface from the top to push the transmission part downward.

7. The cooking utensil according to claim 1, characterized in that, The stop-opening assembly further includes a reset elastic element, which is used to apply an elastic force to the limiting lever to rotate toward the avoidance position.

8. The cooking utensil according to claim 7, characterized in that, The limiting lever includes a transmission part and a stop part located on both sides of the fourth axis. The pushing part can abut against the transmission part from below, and the reset elastic element is located on the side where the stop part of the fourth axis is located; or The pushing part can abut against the transmission part from above, and the reset elastic element is located on the side of the transmission part on the fourth axis.

9. The cooking utensil according to any one of claims 1 to 8, characterized in that, When the stop position is reached, the limiting lever abuts against the outer side of the lower hook and the distance between the abutting point and the lower hook is 1-20mm; and / or The distance between the limiting lever and the lower hook when in the avoidance position is 1 to 10 mm.

10. The cooking utensil according to any one of claims 1 to 8, characterized in that, The pot body includes a pot inner, and the lid includes fastening members that are circumferentially spaced along the first axis and radially movably connected to the rotating frame so as to move radially with the rotation of the rotating frame. The fastening members are movable between a locked position engaged with the pot opening of the pot inner and an unlocked position disengaged from the pot opening.

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