CN220557817U - Lid subassembly and have its cooking utensil - Google Patents

Abstract

The utility model provides a cover body component and a cooking utensil with the same, wherein the cover body component is covered on a cooker body, and comprises: a cover body; the caliper structure is movably connected to the cover body and provided with a locking position for locking the cooker body and an unlocking position for unlocking the cooker body; the driving structure is rotatably arranged on the cover body and is in driving fit with the caliper structure so as to drive the caliper structure to switch between a locking position and an unlocking position, and a first linkage part and a second linkage part are arranged on the driving structure; the opening stopping structure is movably arranged on the cover body, and the first linkage part drives the opening stopping structure to move; the detection structure comprises a trigger piece and a sensing piece which is in sensing fit with the trigger piece, wherein one of the trigger piece and the sensing piece is arranged on the cover body, and the other one of the trigger piece and the sensing piece is arranged on the second linkage part. The technical scheme of the application solves the problems of complex structure, difficult assembly and higher cost in the related technology.

Description

Lid subassembly and have its cooking utensil

Technical Field

The utility model relates to the technical field of small household appliances, in particular to a cover body assembly and a cooking utensil with the same.

Background

The electric pressure cooker has higher pressure in the cooking process, in order to guarantee cooking safety, can set up the calliper on the lid of cooking utensil, through calliper and a kind of deep pot body locking cooperation in order to realize preventing that the lid from breaking away from the deep pot body, lead to appearing the safety problem. The cover body can be provided with a driving structure and a cover opening handle for opening and controlling the locking and unlocking of the calipers. Specifically, the cover opening handle is rotated, and the cover opening handle drives the driving structure to rotate, so that the calipers can be driven to be close to each other or to be far away from each other.

Generally, a cover body of the cooking appliance is provided with a stop rod capable of moving up and down, and the cover body is prevented from being opened by a user operating a cover opening handle in the cooking process through the cooperation of the stop rod and the stop structure.

Meanwhile, in order to accurately judge whether a user closes the cover in place, a detection structure, generally a magnet and an inductive switch (such as a reed switch, a Hall element and the like) is arranged on the cover body.

In the related art, the driving structure, the opening stopping structure and the detecting structure are independently arranged, and are matched through the transmission mechanism, so that the driving structure is complex in structure, difficult to assemble and high in cost.

Disclosure of Invention

The utility model mainly aims to provide a cover body assembly and a cooking utensil with the same, which are used for solving the problems of complex structure, difficult assembly and higher cost in the related technology.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a cover assembly, which is provided on a pot body, the cover assembly comprising: a cover body; the caliper structure is movably connected to the cover body and provided with a locking position for locking the cooker body and an unlocking position for unlocking the cooker body; the driving structure is rotatably arranged on the cover body and is in driving fit with the caliper structure so as to drive the caliper structure to switch between a locking position and an unlocking position, and a first linkage part and a second linkage part are arranged on the driving structure; the opening stopping structure is movably arranged on the cover body, and the first linkage part drives the opening stopping structure to move; the detection structure comprises a trigger piece and a sensing piece which is in sensing fit with the trigger piece, wherein one of the trigger piece and the sensing piece is arranged on the cover body, and the other one of the trigger piece and the sensing piece is arranged on the second linkage part.

By applying the technical scheme of the utility model, the driving structure is provided with the first linkage part and the second linkage part, and the first linkage part drives the opening-stopping structure to move, and one of the trigger piece and the sensing piece is arranged on the cover body. Through the arrangement, the first linkage part for driving the opening stopping structure to move and the second linkage part for realizing the detection function can be integrated on the driving structure, so that the structure can be simplified, the assembly process can be simplified, and the cost is reduced. Therefore, the technical scheme of the utility model can solve the problems of complex structure, difficult assembly and higher cost in the related technology.

Further, the driving structure comprises a rotating seat and a driving arm arranged on the rotating seat, the rotating seat is rotatably arranged on the cover body, the rotating seat is in driving fit with the caliper structure through the driving arm, the first linkage part is arranged on the rotating seat and located on one side of the driving arm, and the second linkage part is arranged on the driving arm and extends towards the direction away from the rotating seat. The structure is simple and the layout is reasonable.

Further, the driving arm comprises a first arm body and a second arm body, the first arm body is located between the rotating seat and the second arm body, a driving sliding groove is formed in the second arm body, a driving column is arranged on the caliper structure, and the driving column is slidably arranged in the driving sliding groove. The structure is simple, the processing is easy, and the coordination stability is good.

Further, the first linkage part includes: the device comprises a first linkage rod and a limiting groove arranged on the first linkage rod, wherein the opening stopping structure comprises a limiting column movably arranged in the limiting groove. The structure is simple, and the coordination stability is good.

Further, the cover body is provided with an avoidance hole, the avoidance hole is internally provided with a stop rod capable of moving up and down, the stop structure further comprises a first stop sliding piece, the first stop sliding piece is movably arranged on the cover body, the limit column is arranged on the first stop sliding piece, when the stop rod is in a rising position, the stop rod stops the first stop sliding piece, so that the driving structure is kept static, and when the stop rod is in a falling position, the first stop sliding piece can move, so that the driving structure can rotate. The structure can ensure the safety of cooking and improve the safety of the cooking utensil.

Further, be provided with the block on the lid main part, be provided with on the a kind of deep pot body with block complex pothook, the structure of stopping opening still includes the second that stops with the first slider of stopping opening linkage and stops the slider of stopping opening, and when stopping the removal of the slider of stopping opening of pole restriction first, the second stops the slider of stopping opening can restrict the opening of pothook. The structure can limit the separation of the cooker body and the cover body assembly on one hand and prompt the cooking state of a user on the other hand.

Further, the cover body assembly further comprises a limiting connecting rod which is arranged on the cover body in a vertically movable mode, the limiting connecting rod is in limiting fit with the clamping hooks, the limiting connecting rod is provided with an avoidance position capable of moving upwards and avoiding the clamping hooks and a stop position capable of descending and stopping the clamping hooks, and the second opening stopping sliding piece can drive the limiting connecting rod to be switched to the stop position from the avoidance position. The structure is simple and easy to set.

Further, the second linkage part comprises a second linkage rod, and the trigger piece is arranged at the end part of the second linkage rod far away from the rotating seat. The structure can improve the detection precision.

Further, the cover body is a lining cover, the cover body assembly further comprises an inner cover arranged below the lining cover, the caliper structure is arranged between the lining cover and the inner cover, the lining cover is provided with a guide groove, and the driving column penetrates through the guide groove and the driving sliding groove. The arrangement structure is simple and the stability is good.

According to another aspect of the present utility model, there is provided a cooking appliance including a cover assembly and a pot, the cover assembly being the cover assembly described above. The cover body assembly can solve the problems of complex structure, difficult assembly and higher cost in the related technology, and the cooking utensil with the cover body assembly can also solve the problems.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic exploded view of an embodiment of a cover assembly according to the present utility model;

FIG. 2 shows a schematic top view of the cover assembly of FIG. 1 with the caliper structure in an unlocked position;

FIG. 3 illustrates a schematic perspective view of the cap assembly of FIG. 2;

FIG. 4 shows a schematic top view of the cover assembly of FIG. 1 with the caliper structure in a locked position;

FIG. 5 illustrates a schematic perspective view of the cap assembly of FIG. 4;

FIG. 6 is a schematic perspective view showing a driving structure of the cover assembly of FIG. 1;

FIG. 7 shows a schematic top view of the drive structure of FIG. 6;

FIG. 8 shows a schematic side view of the drive structure of FIG. 6;

fig. 9 shows a schematic cross-sectional view of an embodiment of a cooking appliance according to the present utility model when the caliper structure is in the unlocked position;

fig. 10 shows an enlarged schematic view at a of the cooking appliance of fig. 9;

FIG. 11 shows a schematic cross-sectional view of the cooking appliance of FIG. 9 with the caliper structure in a locked position;

fig. 12 shows an enlarged schematic view at B of the cooking appliance of fig. 11;

fig. 13 illustrates a schematic perspective view of the cooking appliance of fig. 9.

Wherein the above figures include the following reference numerals:

100. a pot body; 101. a clamping hook; 102. a cover opening key;

10. a cover body; 11. a clamping table; 12. a guide groove; 13. a cover opening handle; 14. a stop lever;

20. a caliper structure; 21. a drive column; 22. a screw column; 23. a screw; 24. a guide post;

30. a driving structure; 31. a first linkage part; 311. a first linkage rod; 312. a limit groove; 32. a second linkage part; 33. a rotating seat; 34. a driving arm; 341. a first arm body; 342. a second arm body; 343. driving the chute;

40. a stop structure; 41. a limit column; 42. a first opening stop slider; 43. a second opening stop slider; 44. a limit connecting rod;

50. a detection structure; 51. a trigger; 52. an induction member;

60. an inner cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

As shown in fig. 1 to 3 and 9, the cover assembly of the present embodiment is provided on a pot body 100, and the cover assembly includes: the cover body 10, the caliper structure 20, the driving structure 30, the opening stop structure 40 and the detecting structure 50. Wherein the caliper structure 20 is movably connected to the cover body 10 and has a locking position for locking the pot body 100 and an unlocking position for unlocking the pot body 100; the driving structure 30 is rotatably arranged on the cover body 10, the driving structure 30 is in driving fit with the caliper structure 20 to drive the caliper structure 20 to switch between a locking position and an unlocking position, and a first linkage part 31 and a second linkage part 32 are arranged on the driving structure 30; the opening stopping structure 40 is movably arranged on the cover body 10, and the first linkage part 31 drives the opening stopping structure 40 to move; the detecting structure 50 includes a trigger member 51 and a sensing member 52 inductively coupled to the trigger member 51, one of the trigger member 51 and the sensing member 52 is disposed on the cover body 10, and the other is disposed on the second linkage portion 32.

By applying the technical scheme of the embodiment, the driving structure 30 is provided with the first linkage part 31 and the second linkage part 32, and the first linkage part 31 drives the opening stopping structure 40 to move, and one of the triggering piece 51 and the sensing piece 52 is arranged on the cover body 10. By the above arrangement, the first linkage part 31 for driving the opening stop structure 40 to move and the second linkage part 32 for realizing the detection function can be integrated on the driving structure 30, so that the structure can be simplified, the assembly process can be simplified, and the cost can be reduced. Therefore, the technical scheme of the embodiment can solve the problems of complex structure, difficult assembly and higher cost in the related technology.

As shown in fig. 6 to 8, in the present embodiment, the driving structure 30 includes a rotary base 33 and a driving arm 34 provided on the rotary base 33, the rotary base 33 is rotatably provided on the cover body 10, the rotary base 33 is in driving engagement with the caliper structure 20 through the driving arm 34, the first linkage part 31 is provided on the rotary base 33 on one side of the driving arm 34, and the second linkage part 32 is provided on the driving arm 34 and extends in a direction away from the rotary base 33. The structure is simple and the layout is reasonable, and the first linkage part 31 and the second linkage part 32 are not easy to interfere with other structure pressure limiting valves on the cover body assembly when the rotating seat 33 rotates.

In this embodiment, the caliper structures 20 are disposed below the cover body 10, and two caliper structures 20 are disposed opposite to each other, and two caliper bodies are disposed on each caliper structure 20, however, in other embodiments not shown in the drawings, one or three or more caliper bodies may be disposed on each caliper structure 20. The clamp body is specifically a downward flanging structure, and the clamp body can be locked with the pot body. The pot body comprises a heat preservation cover and an inner pot, the top of the heat preservation cover or the inner pot is provided with an outward flange to form a pot tooth, and the clamp body can move to the lower part of the pot tooth to realize locking. Accordingly, the driving structure 30 is provided with two driving arms 34 corresponding to the two caliper structures 20, and the two driving arms 34 are disposed at opposite sides of the rotating seat 33.

Specifically, as shown in fig. 6 to 8, the driving arm 34 includes a first arm 341 and a second arm 342, the first arm 341 is located between the rotating base 33 and the second arm 342, the second arm 342 is provided with a driving chute 343, the caliper structure 20 is provided with a driving column 21, and the driving column 21 is slidably disposed in the driving chute 343. The cooperation of drive runner 343 and drive post 21 can realize that drive structure 30 drives calliper structure 20 and remove to above-mentioned simple structure, easy processing, cooperation stability is good.

As shown in fig. 13, the cover assembly further includes a cover opening handle 13, and the cover opening handle 13 is connected to the rotating base 33, so that the rotating base 33 rotates when the user rotates the cover opening handle 13.

As shown in fig. 6 and 7, the driving sliding grooves 343 are bar-shaped grooves, and two driving sliding grooves 343 on two second arm bodies 342 are arranged in parallel. The driving sliding groove 343 forms an obtuse angle with the first arm 341, which facilitates the movement of the caliper structure 20. In the configuration shown in fig. 2 and 3, the caliper structures 20 are in an unlocked position, the two caliper structures 20 are relatively far apart, and in the configuration shown in fig. 4 and 5, the caliper structures 20 are in a locked position, the two caliper structures 20 are relatively close together.

Of course, the manner of implementing the driving structure 30 to drive the caliper structure 20 to move is not limited to the above structure, and other structures can be adopted as long as the driving structure 30 can be implemented to drive the caliper structure 20 to move.

In the present embodiment, as shown in fig. 6 to 8, the first interlocking portion 31 includes: the first linkage rod 311 and the limit groove 312 arranged on the first linkage rod 311, and the opening stop structure 40 comprises a limit column 41 movably arranged in the limit groove 312. The first linkage rod 311, the limit groove 312 and the limit post 41 have simple structure and good matching stability. When the first linkage rod 311 rotates with the rotating seat 33, the limiting groove 312 drives the limiting post 41 to move therein, and further drives the opening stopping structure 40 to move.

In this embodiment, the cover body 10 is provided with a hole for avoiding, the hole for avoiding is internally provided with a stop rod 14 capable of moving up and down, the stop structure 40 further includes a first stop slider 42, the first stop slider 42 is movably disposed on the cover body 10, and the limit post 41 is disposed on the first stop slider 42, where when the stop rod 14 is in the raised position, the stop rod 14 stops the first stop slider 42, so that the driving structure 30 remains stationary, and when the stop rod 14 is in the lowered position, the first stop slider 42 can move, so that the driving structure 30 can rotate. The structure can ensure the safety of cooking and improve the safety of the cooking utensil. Specifically, the first opening stop slider 42 has two positions, one being located opposite to the opening stop lever 14 (above the opening stop lever 14, the first opening stop slider being located only when the opening stop lever 14 is dropped), and the other being offset from the opening stop lever 14. When the caliper structure 20 is in the locking position, the first opening stop slider 42 is in a position staggered from the opening stop lever 14, and at this time, if the cooking cavity of the pot body is pressed upwards, the opening stop lever 14 moves upwards to stop the first opening stop slider 42, so that the first opening stop slider 42 cannot move to a position opposite to the opening stop lever 14, and at this time, the driving structure 30 cannot rotate, and cannot drive the caliper structure 20 to move from the locking position to the unlocking position, thereby realizing the locking of the cover assembly. The first opening stop slider 42 is preferably a first opening stop slider plate. It should be noted that, the above-mentioned "the driving structure 30 remains stationary" does not mean that the driving structure 30 cannot rotate at all, but means that the driving structure 30 cannot rotate to move the caliper structure 20 from the locking position to the unlocking position, and the small rotation generated by the driving structure 30 also belongs to the driving structure 30 remaining stationary.

As shown in fig. 9 to 12, in the present embodiment, the cover body 10 is provided with a clamping table 11, the pot body 100 is provided with a hook 101 that cooperates with the clamping table 11, the opening stop structure 40 further includes a second opening stop slider 43 that is linked with the first opening stop slider 42, and when the movement of the first opening stop slider 42 is limited by the opening stop lever 14, the opening of the hook 101 can be limited by the second opening stop slider 43. The structure ensures that a user cannot press the cover opening button 102 of the control clamping hook 101 when the cooking cavity is pressed upwards, so that the separation of the cooker body and the cover body assembly is limited on the one hand, and the cooking state of the user can be prompted on the other hand. The second opening stop slider 43 is preferably a second opening stop slider plate. The second opening stop slider 43 and the first opening stop slider 42 may be in an integral structure or a split structure, and may be connected and synchronously moved by way of a plug hole and a plug post when they are in a split structure.

In order to better achieve the above function, as shown in fig. 9 to 12, the cover assembly further includes a limit link 44 disposed on the cover body 10 and capable of moving up and down, the limit link 44 is in limit fit with the hook 101, the limit link 44 has an avoidance position for moving up and avoiding the hook 101 and a stop position for descending and stopping the hook 101, and the second opening stop slider 43 can drive the limit link 44 to switch from the avoidance position to the stop position. An elastic reset piece is also arranged on the cover body 10, the elastic reset piece is sleeved on the limit connecting rod 44, and elastic force is applied to the limit connecting rod 44 to enable the limit connecting rod 44 to be kept at the avoiding position under the condition of not receiving external force. The limiting connecting rod 44 can be provided with a limiting convex edge for placing the limiting connecting rod 44 to be separated from the cover body 10. The second opening stop slider 43 can drive the limit link 44 to move down to the stop position when moving in a direction away from the rotating seat 33.

As shown in fig. 6 to 8, the second linkage part 32 includes a second linkage rod, and the trigger 51 is provided at an end of the second linkage rod remote from the rotation seat 33. The above-described structure is simple, and the movement stroke of the trigger piece 51 is large, so that the detection accuracy can be improved. The trigger member 51 is preferably a magnet and the sensing member 52 is a sensing switch. The second linkage 32 forms an acute included angle with the second arm 342.

In this embodiment, the cover body 10 is a lining cover, the cover assembly further includes an inner cover 60 disposed below the lining cover, the caliper structure 20 is disposed between the lining cover and the inner cover 60, the lining cover is provided with a guide slot 12, and the driving post 21 is disposed in the guide slot 12 and the driving chute 343 in a penetrating manner. The caliper structure 20 can be hung and connected on the lining cover through the cooperation of the screw column 22 and the screw 23, so that the structure is simple and the stability is good. The guide groove 12 can realize the guide function to the driving column 21, the caliper structure 20 is also provided with a guide column 24 arranged in the guide groove 12, the guide column and the driving column 21 are arranged at intervals, and both the guide column and the driving column move in the guide groove 12 so as to form a stable guide function.

According to another aspect of the present utility model, there is provided a cooking appliance, and an embodiment of the cooking appliance according to the present application includes a cover assembly, which is the above-described cover assembly, and a pot 100. The cover body assembly can solve the problems of complex structure, difficult assembly and higher cost in the related technology, and the cooking utensil with the cover body assembly can also solve the problems.

The working process of the cover body assembly of the embodiment when the cover is opened and closed is as follows:

as shown in fig. 4, 5, 11 and 12, when the cover is closed, a user rotates the cover opening handle 13, the cover opening handle 13 drives the rotating seat 33 to rotate, and the driving arm 34 drives the caliper structure 20 to move to the locking position, so that the caliper structure 20 is buckled with the cooker body; meanwhile, the second opening-stopping sliding piece 43 presses down the limiting connecting rod 44, so that the limiting connecting rod 44 moves to the stopping position of the stopping clamping hook 101, at the moment, a user presses the opening button 102, the limiting connecting rod 44 props against the clamping hook 101 to prevent the movement of the opening button, and the opening of the cover cannot be realized; the trigger piece 51 enables the induction piece 52 to work, a signal is transmitted to a controller in the cooker body, and the cooking utensil can work;

as shown in fig. 2, 3, 9 and 10, when the cover is opened, the user rotates the cover opening handle 13, the cover opening handle 13 drives the rotating seat 33 to rotate, the driving arm 34 drives the caliper structure 20 to move to the unlocking position, the caliper structure 20 is opened, meanwhile, the limit connecting rod 44 avoids the connecting rod B, the connecting rod B resets above the clamping hook 101 (avoids the clamping hook 101), the cover opening button 102 is pressed, the clamping hook 101 and the clamping table 11 are tripped, the cover body is opened, and meanwhile, the trigger piece 51 is separated from the sensing piece 52.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A cover assembly for a pot (100), the cover assembly comprising:

a cover body (10);

a caliper structure (20) movably connected to the cover body (10) and having a locking position for locking the pot body (100) and an unlocking position for unlocking the pot body (100);

the driving structure (30) is rotatably arranged on the cover body (10), the driving structure (30) is in driving fit with the caliper structure (20) so as to drive the caliper structure (20) to switch between the locking position and the unlocking position, and a first linkage part (31) and a second linkage part (32) are arranged on the driving structure (30);

the opening-stopping structure (40) is movably arranged on the cover body (10), and the first linkage part (31) drives the opening-stopping structure (40) to move;

the detection structure (50) comprises a trigger piece (51) and an induction piece (52) in induction fit with the trigger piece (51), wherein one of the trigger piece (51) and the induction piece (52) is arranged on the cover body (10), and the other is arranged on the second linkage part (32).

2. Cover assembly according to claim 1, wherein the drive structure (30) comprises a swivel base (33) and a drive arm (34) arranged on the swivel base (33), the swivel base (33) being rotatably arranged on the cover body (10), the swivel base (33) being in driving engagement with the caliper structure (20) via the drive arm (34), the first linkage part (31) being arranged on the swivel base (33) and being located on one side of the drive arm (34), the second linkage part (32) being arranged on the drive arm (34) and extending in a direction away from the swivel base (33).

3. Cover assembly according to claim 2, wherein the drive arm (34) comprises a first arm (341) and a second arm (342), the first arm (341) being located between the swivel base (33) and the second arm (342), the second arm (342) being provided with a drive chute (343), the caliper structure (20) being provided with a drive column (21), the drive column (21) being slidably arranged in the drive chute (343).

4. A cap assembly according to any one of claims 1 to 3, wherein the first linkage (31) comprises: the anti-opening structure comprises a first linkage rod (311) and a limiting groove (312) arranged on the first linkage rod (311), wherein the anti-opening structure (40) comprises a limiting column (41) movably arranged in the limiting groove (312).

5. The cover assembly according to claim 4, wherein the cover body (10) is provided with a avoiding hole, a stop rod (14) capable of moving up and down is arranged in the avoiding hole, the stop structure (40) further comprises a first stop slider (42), the first stop slider (42) is movably arranged on the cover body (10), the limit post (41) is arranged on the first stop slider (42), wherein when the stop rod (14) is in a lifting position, the stop rod (14) stops the first stop slider (42) so as to keep the driving structure (30) stationary, and when the stop rod (14) is in a lowering position, the first stop slider (42) can move so as to enable the driving structure (30) to rotate.

6. The cover assembly according to claim 5, wherein a clamping table (11) is arranged on the cover body (10), a clamping hook (101) matched with the clamping table (11) is arranged on the cooker body (100), the opening stopping structure (40) further comprises a second opening stopping sliding piece (43) linked with the first opening stopping sliding piece (42), and the opening stopping sliding piece (43) can limit the opening of the clamping hook (101) when the opening stopping rod (14) limits the movement of the first opening stopping sliding piece (42).

7. The cover assembly according to claim 6, further comprising a limit link (44) movably disposed on the cover body (10) up and down, the limit link (44) being in limit fit with the hook (101), the limit link (44) having an avoidance position for moving up and avoiding the hook (101) and a stop position for lowering and stopping the hook (101), the second opening stop slider (43) being capable of driving the limit link (44) to switch from the avoidance position to the stop position.

8. Cover assembly according to claim 2, wherein the second linkage (32) comprises a second linkage rod, the trigger (51) being arranged at the end of the second linkage rod remote from the swivel seat (33).

9. A cover assembly according to claim 3, wherein the cover body (10) is a lining cover, the cover assembly further comprises an inner cover (60) arranged below the lining cover, the caliper structure (20) is arranged between the lining cover and the inner cover (60), a guide groove (12) is arranged on the lining cover, and the driving column (21) is arranged in the guide groove (12) and the driving sliding groove (343) in a penetrating manner.

10. A cooking appliance comprising a lid assembly and a pot (100), characterized in that the lid assembly is according to any one of claims 1 to 9.