CN219331319U - Lid subassembly and have its cooking utensil - Google Patents

Abstract

The utility model provides a cover body assembly and a cooking utensil with the same, wherein the cover body assembly comprises: the cover body is provided with an exhaust pipe in a penetrating way and comprises a lining and a lock cover rotatably arranged below the lining; the pressure limiting valve is arranged at the top of the exhaust pipe; the exhaust rod is movably arranged on the cover body, the first end of the exhaust rod extends into the lower part of the pressure limiting valve, and the exhaust rod is provided with an exhaust position for pushing the pressure limiting valve and an initial position for avoiding the pressure limiting valve; the first knob drives the exhaust rod to switch between the exhaust position and the initial position, the second knob is rotatably arranged below the first knob, the second knob is provided with a mounting hole, the first knob is inserted into the mounting hole, and the second knob is in driving connection with the lock cover. The technical scheme of this application has solved the structure more and then makes comparatively loaded down with trivial details problem of structure on the lid among the correlation technique effectively.

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 appliance with the same.

Background

The pressure limiting valve is arranged on the cover body of the electric pressure cooker, when the electric pressure cooker is used for pressure cooking, the pressure in the cooker body can be limited to higher air pressure by the pressure limiting valve, and when the electric pressure cooker is required to be switched to a non-pressure state, the pressure limiting valve is jacked up, so that the communication between the cooker body and the outside can be realized.

In the related art, the knob can only control the opening and closing of the pressure limiting valve or control the opening and closing of the locking cover, and if the opening and closing of the pressure limiting valve and the opening and closing of the locking cover are to be controlled simultaneously, a rotary handle and the knob are required to be arranged independently, so that more structural parts on the cover body can be caused, and the structure is more complicated.

Disclosure of Invention

The utility model mainly aims to provide a cover body assembly and a cooking utensil with the same, so as to solve the problem that the structure is complicated due to more structural parts on a cover body in the related art.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a cover assembly comprising: the cover body is provided with an exhaust pipe in a penetrating way and comprises a lining and a lock cover rotatably arranged below the lining; the pressure limiting valve is arranged at the top of the exhaust pipe; the exhaust rod is movably arranged on the cover body, the first end of the exhaust rod extends into the lower part of the pressure limiting valve, and the exhaust rod is provided with an exhaust position for pushing the pressure limiting valve and an initial position for avoiding the pressure limiting valve; the first knob drives the exhaust rod to switch between the exhaust position and the initial position, the second knob is rotatably arranged below the first knob, the second knob is provided with a mounting hole, the first knob is inserted into the mounting hole, and the second knob is in driving connection with the lock cover.

By applying the technical scheme of the utility model, the pressure limiting valve is arranged at the top of the exhaust pipe, the first end of the exhaust rod extends into the lower part of the pressure limiting valve, and the exhaust rod is provided with an exhaust position for pushing the pressure limiting valve and an initial position for avoiding the pressure limiting valve. The first knob can drive the exhaust rod to switch between the exhaust position and the initial position, the second knob is rotatably arranged below the first knob, the second knob can drive the lock cover to rotate, and specifically, the second knob is provided with a mounting hole, and the first knob is inserted into the mounting hole. Through foretell setting, first knob and second knob superposes to set up or overlap to set up the structure that can reduce exposing on the lid like this effectively, and first knob and second knob lie in same department promptly, can make the structure on the surface of lid comparatively succinct like this. Therefore, the technical scheme of the application effectively solves the problems that the structure is more and the structure is more complicated in the cover body in the related technology.

Further, the first knob and the second knob are nested, and/or the second knob is located outside the first knob. The first knob and the second knob are nested and matched, so that the whole structure is more compact, and the waste of space is avoided.

Further, the cover assembly further comprises a first transmission rod and a connecting seat, the first transmission rod is arranged on the cover body in a swinging mode, the first end of the first transmission rod is connected with the cover body, the second end of the first transmission rod is matched with the exhaust rod in a driving mode, the exhaust rod is driven to move to an exhaust position from an initial position, the connecting seat is arranged at the first end of the first transmission rod in an upward protruding mode, the first knob is arranged on the connecting seat, and the connecting seat is inserted into the mounting hole. The connection of connecting seat and first knob is more stable to the connecting seat inserts in the mounting hole, makes the connection of first knob and connecting seat more easy and the junction of first knob and connecting seat can be sheltered from to the second knob like this, and then makes holistic structure more regular.

Further, the second knob is further provided with an accommodating concave part communicated with the mounting hole, the accommodating concave part is positioned at the top of the second knob, the first knob is mounted in the accommodating concave part, and the connecting seat extends into the mounting hole. The first knob is installed in the accommodating recess, so that the first knob is accommodated in the second knob, and the overall structure is more regular and smaller.

Further, the cover assembly further comprises a rotation stopping structure and a connecting structure, wherein the rotation stopping structure is arranged between the first knob and the connecting seat, and the connecting structure is arranged between the first knob and the connecting seat. The rotation stopping structure and the connecting structure are arranged between the first knob and the connecting seat, the connecting structure can effectively connect the first knob and the connecting seat together, so that the position of the first knob can be guaranteed, the rotation between the first knob and the connecting seat can be avoided due to the arrangement of the rotation stopping structure, the connection of the first knob and the connecting seat can be guaranteed to be more stable, and the connection of the first knob and the connecting seat is prevented from being loose.

Further, the first knob comprises a nesting part and a face cover part arranged above the nesting part, the protruding part is arranged on the face cover part, the nesting part is in nesting fit with the connecting seat, and the rotation stopping structure and the connecting structure are arranged between the nesting part and the connecting seat. The provision of the boss facilitates rotation of the first knob by a user. The nesting part can be nested with the connecting seat, so that the first knob and the connecting seat are connected more stably.

Further, the rotation stopping structure comprises a first limiting surface and a second limiting surface, the first limiting surface is arranged on the side wall of the nesting part, the second limiting surface is arranged on the side wall of the connecting seat, and the first limiting surface and the second limiting surface are in rotation stopping fit. The first limiting surface and the second limiting surface are simple in structure, convenient to set and capable of effectively achieving rotation stopping fit.

Further, the rotation stopping structure further comprises a limiting rib and a limiting groove, one of the limiting rib and the limiting groove is arranged on the side wall of the nesting part, the other one of the limiting rib and the limiting groove is arranged on the side wall of the connecting seat, and the limiting rib is inserted into the limiting groove. The spacing muscle of foretell spacing cooperation with spacing groove can guarantee like this that can further not take place to rotate between first knob and the connecting seat, and then make the position stability of connecting seat and first knob better.

Further, one of the limit rib and the limit groove is arranged on the first limit surface, and the other of the limit rib and the limit groove is arranged on the second limit surface. The arrangement can reasonably utilize the space and ensure the effect of rotation stopping fit.

Further, the connecting structure comprises a clamping hook and a clamping table, one of the clamping hook and the clamping table is arranged on the side wall of the nesting part, and the other of the clamping hook and the clamping table is arranged on the side wall of the connecting seat. The clamping hook and the clamping table are simple in structure and convenient to set, the first knob and the connecting seat can be effectively connected together, the clamping hook and the clamping table are easy to assemble, and the assembling time can be effectively reduced.

Further, the connecting structure and the rotation stopping structure are arranged at intervals along the circumferential direction of the connecting seat. The arrangement can avoid interference of the structure.

Further, the lid subassembly still includes the actuating lever, is provided with the arc hole on the inside lining, is provided with the lock post on the locking closure, and the first end of actuating lever is connected on the second knob, and the second end drive lock post of actuating lever is at the downthehole removal of arc, and first knob rotationally installs on the second knob, and the second knob is provided with dodges connection structure and the mounting hole of stopping the commentaries on classics structure. The second knob can drive the lock column to move through the driving rod, and then the cover can be opened.

Further, the cover body assembly further comprises a second transmission rod and a guide structure, the second end of the first transmission rod is connected with the second transmission rod, the second transmission rod is located below the exhaust rod, a bevel portion is arranged on the second transmission rod, the first transmission rod drives the second transmission rod to move when swinging so that the bevel portion is abutted with the exhaust rod and the exhaust rod is enabled to move upwards, and the guide structure is arranged between the second end of the exhaust rod and the cover body. The arrangement can effectively realize the switching between pressure and non-pressure, and the guide structure can enable the exhaust rod to move up and down more stably.

According to another aspect of the present utility model, there is provided a cooking appliance including a cover assembly, the cover assembly being as described above. The cover body assembly can ensure the connection stability of the first knob and the connecting seat, and prevents the first knob from loosening, so that the cooking utensil with the cover body assembly also has the advantages.

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 cross-sectional view of an embodiment of a cap assembly according to the present utility model;

FIG. 2 shows a partial enlarged view at A of the cap assembly of FIG. 1;

FIG. 3 shows a schematic perspective view of the cap assembly of FIG. 1;

FIG. 4 illustrates an exploded view of the first and second knobs of the cover assembly of FIG. 1;

FIG. 5 illustrates a schematic perspective view of a first knob of the cap assembly of FIG. 1;

FIG. 6 illustrates a schematic perspective view of another view of the first knob of FIG. 5;

FIG. 7 is a schematic perspective view of a first drive rod of the cap assembly of FIG. 1;

FIG. 8 is a schematic perspective view of a second drive rod of the cap assembly of FIG. 1;

fig. 9 is a perspective view showing a vent rod of the cap assembly of fig. 1.

Wherein the above figures include the following reference numerals:

10. a cover body; 11. an exhaust pipe; 12. a lining; 13. a locking cover; 20. a pressure limiting valve; 30. an exhaust rod; 40. a first transmission rod; 50. a connecting seat; 60. a first knob; 61. a boss; 62. a nesting part; 63. a face cover part; 70. a rotation stopping structure; 71. a first limiting surface; 72. the second limiting surface; 73. a limit rib; 74. a limit groove; 80. a connection structure; 81. a clamping hook; 82. a clamping table; 91. a second knob; 911. a mounting hole; 912. a receiving recess; 92. a driving rod; 93. a second transmission rod; 94. and a guiding structure.

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 7, in the present embodiment, the cover assembly includes: the cap body 10, the pressure limiting valve 20, the exhaust lever 30, the first knob 60, and the second knob 91. Cover body 10 an exhaust pipe 11 is provided in the cover body 10 in a penetrating manner, and the cover body 10 includes a liner 12 and a locking cover 13 rotatably provided under the liner 12. The pressure limiting valve 20 is provided at the top of the exhaust pipe 11. The exhaust rod 30 is movably disposed on the cover body 10, and a first end of the exhaust rod 30 extends below the pressure limiting valve 20, and the exhaust rod 30 has an exhaust position pushing against the pressure limiting valve 20 and an initial position avoiding the pressure limiting valve 20. The first knob 60 drives the exhaust lever 30 to switch between the exhaust position and the initial position, and the first knob 60 is provided with a boss 61. The second knob 91 is rotatably disposed below the first knob 60, the second knob 91 is provided with a mounting hole 911, the first knob 60 is inserted into the mounting hole 911, and the second knob 91 is in driving connection with the locking cover 13.

By applying the technical scheme of the utility model, the pressure limiting valve 20 is arranged at the top of the exhaust pipe 11, the first end of the exhaust rod 30 extends into the lower part of the pressure limiting valve 20, and the exhaust rod 30 is provided with an exhaust position for pushing the pressure limiting valve 20 and an initial position for avoiding the pressure limiting valve 20. The first knob 60 can drive the air discharging lever 30 to switch between the air discharging position and the initial position, the second knob 91 is rotatably provided below the first knob 60, the second knob 91 can drive the lock cover 13 to rotate, specifically, the second knob 91 is provided with a mounting hole 911, and the first knob 60 is inserted into the mounting hole 911. Through the arrangement, the first knob 60 and the second knob 91 are overlapped or sleeved, so that exposed structural components on the cover body can be effectively reduced, namely, the first knob 60 and the second knob 91 are located at the same position, and therefore the structure on the surface of the cover body can be relatively simple. Therefore, the technical scheme of the application effectively solves the problems that the structure is more and the structure is more complicated in the cover body in the related technology.

It should be noted that the exhaust rod 30 includes a push rod and a lever, and specifically, in this embodiment, the exhaust rod 30 is a push rod, and the exhaust rod 30 can move up and down. In other embodiments, the exhaust rod 30 is a lever.

The driving connection of the second knob 91 and the lock cover 13 means that the second knob 91 can rotate to drive the lock cover 13 to rotate, so as to realize cover opening and closing.

As shown in fig. 4, in the present embodiment, the first knob 60 and the second knob 91 are nested. The first knob 60 and the second knob 91 are nested and matched, so that the whole structure is more compact, and the waste of space is avoided.

In other embodiments, the second knob 91 is located outside of the first knob 60, which also saves space, i.e., the outside includes a spatial outside. Specifically, the second knob 91 is located outside the first knob 60 and includes the second knob 91 being located below the first knob 60, the second knob 91 being located above the first knob 60, and the second knob 91 being sleeved outside the first knob 60.

It should be noted that the above-mentioned nesting fit includes that the first knob 60 is completely located in the second knob 91, or that a part of the structure of the first knob 60 is inserted into the second knob 91.

As shown in fig. 4, in the present embodiment, the cover assembly further includes a first transmission rod 40 and a connection seat 50, the first transmission rod 40 is swingably provided on the cover body 10, a first end of the first transmission rod 40 is connected with the cover body 10, a second end of the first transmission rod 40 is in driving engagement with the exhaust rod 30 and drives the exhaust rod 30 to move from the initial position to the exhaust position, the connection seat 50 is provided at the first end of the first transmission rod 40 in an upwardly protruding manner, the first knob 60 is provided on the connection seat 50, and the connection seat 50 is inserted into the installation hole 911. The connection of the connection seat 50 and the first knob 60 is more stable, and the connection seat 50 is inserted into the mounting hole 911, so that the connection of the first knob 60 and the connection seat 50 is easier and the second knob 91 can shield the connection position of the first knob 60 and the connection seat 50, thereby making the overall structure more regular.

As shown in fig. 4, in the present embodiment, the second knob 91 is further provided with a receiving recess 912 communicating with the mounting hole 911, the receiving recess 912 is located at the top of the second knob 91, the first knob 60 is mounted in the receiving recess 912, and the connection holder 50 is extended into the mounting hole 911. The first knob 60 is mounted in the accommodating recess 912, so that the first knob 60 can be accommodated in the second knob 91, and the overall structure is more regular and smaller.

As shown in fig. 1 to 7, in the present embodiment, the cover assembly further includes a rotation stopping structure 70 and a connection structure 80, the rotation stopping structure 70 is disposed between the first knob 60 and the connection seat 50, and the connection structure 80 is disposed between the first knob 60 and the connection seat 50. The connection structure 80 can be used for effectively connecting the first knob 60 and the connecting seat 50 together, so that the position of the first knob 60 can be guaranteed, meanwhile, the rotation between the first knob 60 and the connecting seat 50 can be avoided due to the arrangement of the rotation stopping structure 70, further, the connection of the first knob 60 and the connecting seat 50 can be guaranteed to be more stable, and the connection of the first knob 60 and the connecting seat 50 is prevented from loosening.

As shown in fig. 1 to 7, in the present embodiment, the first knob 60 includes a nesting portion 62 and a face cover portion 63 provided above the nesting portion 62, the boss portion 61 is provided on the face cover portion 63, the nesting portion 62 is in nesting engagement with the connection base 50, and the rotation stopping structure 70 and the connection structure 80 are provided between the nesting portion 62 and the connection base 50. The provision of the boss 61 facilitates the user to turn the first knob 60. The nesting portion 62 can nest with the connection block 50, which can make the connection of the first knob 60 and the connection block 50 more stable.

As shown in fig. 6, in the present embodiment, the nesting portion 62 includes a first connecting plate, a second connecting plate, a third connecting plate, and a fourth connecting plate, which are sequentially connected and enclosed into the accommodating recess 912, and the connecting seat 50 is inserted into the accommodating recess 912.

As shown in fig. 6 and 7, in the present embodiment, the rotation stopping structure 70 includes a first limiting surface 71 and a second limiting surface 72, the first limiting surface 71 is disposed on a side wall of the nesting portion 62, the second limiting surface 72 is disposed on a side wall of the connecting seat 50, and the first limiting surface 71 and the second limiting surface 72 are in rotation stopping fit. The first limiting surface 71 and the second limiting surface 72 are simple in structure, convenient to set and capable of effectively achieving rotation-stopping fit.

As shown in fig. 6 and 7, in the present embodiment, the rotation stopping structure 70 further includes a limit rib 73 and a limit groove 74, one of the limit rib 73 and the limit groove 74 is provided on a side wall of the nesting portion 62, the other of the limit rib 73 and the limit groove 74 is provided on a side wall of the connecting seat 50, and the limit rib 73 is inserted into the limit groove 74. The limiting rib 73 and the limiting groove 74 are in limiting fit, so that the first knob 60 and the connecting seat 50 can be further prevented from rotating, and further the position stability of the connecting seat 50 and the first knob 60 is better.

As shown in fig. 6 and 7, in the present embodiment, one of the stopper rib 73 and the stopper groove 74 is provided on the first stopper surface 71, and the other of the stopper rib 73 and the stopper groove 74 is provided on the second stopper surface 72. The arrangement can reasonably utilize the space and ensure the effect of rotation stopping fit.

As shown in fig. 6 and 7, in the present embodiment, the connection structure 80 includes a hook 81 and a catch 82, one of the hook 81 and the catch 82 is provided on a side wall of the nesting portion 62, and the other of the hook 81 and the catch 82 is provided on a side wall of the connection base 50. The structure of the hook 81 and the clamping table 82 is simple, the arrangement is convenient, the first knob 60 and the connecting seat 50 can be effectively connected together, the assembly of the hook 81 and the clamping table 82 is easy, and the assembly time can be effectively reduced. Specifically, the hook 81 is disposed on the nesting portion 62, and the clamping table 82 is disposed on the connecting seat 50.

As shown in fig. 6 and 7, in the present embodiment, the connection structure 80 and the rotation stopping structure 70 are disposed at intervals along the circumferential direction of the connection seat 50. The arrangement can avoid interference of the structure.

As shown in fig. 3 and 4, in this embodiment, the cover assembly further includes a driving rod 92, an arc hole is provided on the liner 12, a lock post is provided on the lock cover 13, a first end of the driving rod 92 is connected to the second knob 91, the second end of the driving rod 92 drives the lock post to move in the arc hole, the first knob 60 is rotatably mounted on the second knob 91, and the second knob 91 is provided with a mounting hole 911 for avoiding the connection structure 80 and the rotation stopping structure 70. The second knob 91 can drive the lock cylinder to move by the driving rod 92, and thus the cover can be opened.

As shown in fig. 2, 8 and 9, in the present embodiment, the cover assembly further includes a second transmission rod 93 and a guiding structure 94, the second end of the first transmission rod 40 is connected to the second transmission rod 93, the second transmission rod 93 is located below the exhaust rod 30, a bevel portion is disposed on the second transmission rod 93, the first transmission rod 40 swings to drive the second transmission rod 93 to move so that the bevel portion abuts against the exhaust rod 30 and the exhaust rod 30 moves upwards, and the guiding structure 94 is disposed between the second end of the exhaust rod 30 and the cover body 10. The above arrangement can effectively realize the switching between the pressurized state and the pressureless state, and the guide structure 94 can make the upward and downward movement of the exhaust rod 30 more stable.

According to another aspect of the present application, there is provided a cooking appliance, including a cover assembly, the cover assembly being the above-described cover assembly. The cover body assembly can ensure the connection stability of the first knob and the connecting seat, and prevents the first knob from loosening, so that the cooking utensil with the cover body assembly also has the advantages.

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 (14)

1. A cover assembly, comprising:

the cover comprises a cover body (10), wherein an exhaust pipe (11) is arranged on the cover body (10) in a penetrating way, and the cover body (10) comprises a lining (12) and a lock cover (13) rotatably arranged below the lining (12);

a pressure limiting valve (20) arranged at the top of the exhaust pipe (11);

the exhaust rod (30) is movably arranged on the cover body (10), a first end of the exhaust rod (30) stretches into the lower part of the pressure limiting valve (20), and the exhaust rod (30) is provided with an exhaust position for pushing the pressure limiting valve (20) and an initial position for avoiding the pressure limiting valve (20);

a first knob (60) for driving the exhaust rod (30) to switch between the exhaust position and the initial position, wherein a boss (61) is arranged on the first knob (60);

the second knob (91) is rotatably arranged below the first knob (60), a mounting hole (911) is formed in the second knob (91), the first knob (60) is inserted into the mounting hole (911), and the second knob (91) is in driving connection with the lock cover (13).

2. The cover assembly according to claim 1, wherein the first knob (60) and the second knob (91) are nested and/or wherein the second knob (91) is located outside the first knob (60).

3. The cover assembly according to claim 2, further comprising a first transmission rod (40) and a connecting seat (50), wherein the first transmission rod (40) is swingably arranged on the cover body (10), a first end of the first transmission rod (40) is connected with the cover body (10), a second end of the first transmission rod (40) and the exhaust rod (30) are in driving fit and drive the exhaust rod (30) to move from the initial position to the exhaust position, the connecting seat (50) is arranged at the first end of the first transmission rod (40) in an upward protruding manner, the first knob (60) is arranged on the connecting seat (50), and the connecting seat (50) is inserted into the mounting hole (911).

4. A cover assembly according to claim 3, wherein the second knob (91) is further provided with a receiving recess (912) communicating with the mounting hole (911), the receiving recess (912) is located at the top of the second knob (91), the first knob (60) is mounted in the receiving recess (912), and the connection base (50) extends into the mounting hole (911).

5. A cover assembly according to claim 3, further comprising a rotation stopping structure (70) and a connecting structure (80), the rotation stopping structure (70) being arranged between the first knob (60) and the connecting seat (50), the connecting structure (80) being arranged between the first knob (60) and the connecting seat (50).

6. The cover assembly of claim 5, wherein the first knob (60) includes a nesting portion (62) and a face cover portion (63) disposed above the nesting portion (62), the boss portion (61) is disposed on the face cover portion (63), the nesting portion (62) is in nesting engagement with the connection mount (50), and the rotation-stopping structure (70) and the connection structure (80) are disposed between the nesting portion (62) and the connection mount (50).

7. The cover assembly of claim 6, wherein the rotation stop structure (70) comprises a first stop surface (71) and a second stop surface (72), the first stop surface (71) being disposed on a side wall of the nest portion (62), the second stop surface (72) being disposed on a side wall of the connection block (50), the first stop surface (71) and the second stop surface (72) being rotation-stopped in cooperation.

8. The cover assembly according to claim 7, wherein the rotation stopping structure (70) further comprises a limit rib (73) and a limit groove (74), one of the limit rib (73) and the limit groove (74) is disposed on a side wall of the nesting portion (62), the other of the limit rib (73) and the limit groove (74) is disposed on a side wall of the connecting seat (50), and the limit rib (73) is inserted into the limit groove (74).

9. The cover assembly according to claim 8, wherein one of the stop rib (73) and the stop groove (74) is provided on the first stop surface (71), and the other of the stop rib (73) and the stop groove (74) is provided on the second stop surface (72).

10. The cover assembly of claim 6, wherein the connection structure (80) comprises a catch (81) and a catch (82), one of the catch (81) and the catch (82) being disposed on a side wall of the nest (62), the other of the catch (81) and the catch (82) being disposed on a side wall of the connection base (50).

11. The cover assembly according to claim 5, wherein the connection structure (80) and the rotation stopping structure (70) are arranged at intervals along the circumferential direction of the connection seat (50).

12. The cover assembly according to claim 5, further comprising a driving rod (92), wherein an arc-shaped hole is formed in the inner liner (12), a lock post is arranged on the lock cover (13), a first end of the driving rod (92) is connected to the second knob (91), the second end of the driving rod (92) drives the lock post to move in the arc-shaped hole, the first knob (60) is rotatably mounted on the second knob (91), and the second knob (91) is provided with a mounting hole (911) for avoiding the connecting structure (80) and the rotation stopping structure (70).

13. A cover assembly according to claim 3, further comprising a second transmission rod (93) and a guiding structure (94), wherein the second end of the first transmission rod (40) is connected with the second transmission rod (93), the second transmission rod (93) is located below the exhaust rod (30), a bevel portion is arranged on the second transmission rod (93), the first transmission rod (40) swings to drive the second transmission rod (93) to move so that the bevel portion abuts against the exhaust rod (30) and the exhaust rod (30) moves upwards, and the guiding structure (94) is arranged between the second end of the exhaust rod (30) and the cover body (10).

14. A cooking appliance comprising a lid assembly, wherein the lid assembly is as claimed in any one of claims 1 to 13.

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