CN217696049U - Lid subassembly and have its cooking utensil - Google Patents

Abstract

The utility model provides a lid subassembly and have its cooking utensil, wherein, the lid subassembly, include: the lining is provided with a first stop hole and a sliding groove; the lock cover is rotatably arranged below the lining and provided with a locking position and an unlocking position, and the lock cover is provided with an unlocking rod and a lock column; the driving part is rotatably arranged on the lining, the driving part is matched with the lock column to drive the lock column to move in the chute, and the lock cover is switched between a locking position and an unlocking position; the driving piece is arranged on the lining and drives the transmission piece to rotate. The technical scheme of this application has solved effectively among the correlation technique when the check-out lever come-up, drive arrangement leads to the problem of transmission damage to the transmission application of force easily.

Description

Lid subassembly and have its cooking utensil

Technical Field

The utility model relates to a small household appliances technical field particularly, relates to a lid subassembly and have its cooking utensil.

Background

Pressure cooking appliances generally comprise a pot and a lid. The lid includes inside lining and locking closure, and drive arrangement can rotate through driving medium drive locking closure, and then realizes the automation of lid and opens and shuts. When cooking, food is put into the pot body, the cover body is arranged on the pot body, the driving device drives the locking cover to rotate so as to enable the pot teeth and the cover teeth to be abutted and matched, along with the gradual increase of the pressure in the cooking utensil, the stop rod can be popped out and limited, after cooking, exhaust and pressure release are carried out to cooking utensil through blast pipe and voltage limiting valve, and the stop lever can withdraw after the pressure release is accomplished, and drive arrangement drive locking closure rotates and makes pot tooth and lid tooth separation this moment, and then realizes uncapping.

In the correlation technique, can insert to the only trompil on the inside lining after the only open rod pops out, and then realize spacing cooperation. However, since the transmission member is not limited, the driving device easily drives the transmission member to move, which easily causes the transmission member to be damaged.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a lid subassembly and have its cooking utensil to when solving among the correlation technique at the stop lever come-up, drive arrangement leads to the problem that the transmission damaged easily to the transmission application of force.

In order to achieve the above object, according to an aspect of the present invention, there is provided a cover assembly including: the lining is provided with a first stop hole and a sliding groove; the lock cover is rotatably arranged below the lining and provided with a locking position and an unlocking position, and the lock cover is provided with an unlocking rod and a lock column; the driving part is rotatably arranged on the lining, the driving part is matched with the lock column to drive the lock column to move in the sliding groove, the lock cover is switched between a locking position and an unlocking position, a second stop opening hole is formed in the driving part, and when the lock cover is in the locking position, the stop opening rod can sequentially extend into the first stop opening hole and the second stop opening hole; the driving piece is arranged on the lining and drives the transmission piece to rotate.

Use the technical scheme of the utility model, be provided with the spout on the inside lining, be provided with the lock cylinder on the locking closure, driving medium and driving piece all set up on the inside lining, and the driving piece can drive the driving medium and rotate, and driving medium and lock cylinder are connected simultaneously, can drive the lock cylinder and remove in the spout when making driving piece drive driving medium rotate like this, and then make the locking closure switch between latched position and unblock position. The lining is further provided with a first stop hole, the transmission part is provided with a second stop hole corresponding to the first stop hole, and the locking cover is provided with a stop rod. When the locking cover is in the locking position and the pressure inside the cooking appliance is greater than a certain value, the opening stopping rod can float upwards and is inserted into the first opening stopping hole and the second opening stopping hole. Through foretell setting, when the pressure that the locking closure was in latched position and cooking utensil's inside was greater than a definite value, it can be spacing only to end the trompil by first ending trompil and second, and the spacing cooperation that ends trompil simultaneously ends pole and second can restrict the position of driving medium, just so can guarantee that the position of driving medium is unchangeable, and then can avoid driving piece drive driving medium and make the driving medium damage. Therefore, the technical scheme effectively solves the problem that the driving device easily damages the transmission piece when the opening stopping rod floats upwards in the related art.

Further, the driving medium includes the driving plate, and the open pore sets up on the driving plate is ended to the second, is provided with the leg on the driving plate, and the leg encloses the periphery of establishing at the second and ending the open pore. The setting of leg can make with the area of contact of ending the opening rod bigger, when the driving plate rotates and when ending the opening rod application of force, the leg can disperse partial power, avoids that applied force is whole to end the opening hole through the second and transmits to the driving plate on, can protect the driving plate effectively like this.

Further, the perimeter wall extends toward the liner. Foretell setting can avoid the leg to take place to interfere with other structures, and then makes holistic structure more regular.

Further, the cover assembly further comprises a pivoting structure, the pivoting structure comprises a pivoting column and a pivoting hole which are in plug-in fit, one of the pivoting column and the pivoting hole is arranged on the inner liner, and the other of the pivoting column and the pivoting hole is arranged on the transmission plate. The pivot structure can realize the rotation of driving plate, and specifically, pivot post and pivot hole's simple structure, the convenient setting.

Further, the pivot post is a stepped post and the pivot hole is a stepped hole. The arrangement of the stepped columns and the stepped holes can make the connection of the pivot columns and the pivot holes more stable and facilitate assembly.

Further, the pivot post is disposed on the liner at a center of the liner, and the pivot hole is disposed on the transmission plate. Foretell setting up can make the driving plate place more conveniently, and the space that the driving plate occupy reduces promptly, simultaneously, because the pivot post sets up the center department at the inside lining, makes the rotation of driving plate can cooperate with the rotation of locking closure like this.

Further, one end, far away from the pivot hole, of the transmission plate is provided with a rack portion, the driving piece comprises a motor and a gear arranged on an output shaft of the motor, and the gear is meshed with the rack portion. The cooperation of rack portion and gear can realize the rotation of driving plate effectively, and specifically, rack portion is the arc.

Furthermore, the transmission plate is provided with an assembly hole, and the lock cylinder is arranged in the assembly hole in a penetrating mode. The arrangement enables the lock cylinder and the drive plate to be more stably connected.

Further, the driving medium includes the transfer line, and the transfer line is the form of buckling, and the transfer line is connected with the driving plate, and the driving piece is connected with the first end drive fit of transfer line, and the second end and the lock post of transfer line are articulated to be connected. The setting of transfer line can realize the rotation of lock post effectively, and then drives the locking closure and rotates.

Furthermore, the transmission part also comprises a linear motion mechanism, the linear motion mechanism is hinged with the first end of the transmission rod, and the driving part drives the linear motion mechanism to move along a straight line. The linear motion mechanism can realize linear motion, and then can drive the transfer line to rotate, and the transfer line rotates and can drive the lock post to rotate to the uncapping and the closing of locking closure have been realized.

Furthermore, the locking cover is provided with an exhaust pipe and a pressure limiting valve positioned at the top of the exhaust pipe, the transmission plate is provided with a connecting hole, and the exhaust pipe is inserted into the connecting hole. The exhaust pipe can exhaust gas in the cooking utensil, and the pressure limiting valve can control the pressure state in the cooker.

According to another aspect of the present invention, there is provided a cooking appliance, including: the pot body and with the articulated lid subassembly of being connected of pot body, the lid subassembly is foretell lid subassembly. The cover body assembly can limit the transmission piece through the opening stopping rod, and then can protect the transmission piece, so that the transmission piece is prevented from being damaged. Therefore, the cooking utensil with the cover body assembly also has the advantages.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an exploded view of a liner according to a first embodiment of a cover assembly of the present invention;

FIG. 2 is a perspective view of the latch cover of the cover assembly of FIG. 1;

FIG. 3 is a perspective view of a transmission member of the cover assembly of FIG. 1;

FIG. 4 is a perspective view of the cover assembly of FIG. 1 and a pot body engaged with the cover assembly;

FIG. 5 shows a schematic cross-sectional view of the cap assembly of FIG. 4 with the stop rod not floating;

FIG. 6 shows a partial enlarged view at A of FIG. 5;

FIG. 7 shows a cross-sectional schematic view of the open stop rod of the cap assembly of FIG. 4 floating into the first and second open stop holes;

FIG. 8 shows a partial enlarged view at B of FIG. 7;

FIG. 9 shows a schematic top view of the cap assembly of FIG. 4 with the stop rod unseated;

FIG. 10 shows a schematic top view of the check rod of the cap assembly of FIG. 4 floating into the first and second check holes;

fig. 11 is an exploded view of the inner liner of the second embodiment of the cover assembly in accordance with the present invention;

FIG. 12 illustrates a perspective view of the cover assembly of FIG. 11;

FIG. 13 illustrates a schematic top view of the cover assembly of FIG. 12 when not buoyant;

FIG. 14 illustrates a top view of the cap assembly of FIG. 12 floating into the first and second stop apertures.

Wherein the figures include the following reference numerals:

10. a liner; 11. a first stop hole; 12. a chute; 20. a locking cover; 21. an opening stop lever; 22. a lock cylinder; 23. an exhaust pipe; 24. a pressure limiting valve; 30. a transmission member; 31. a second stop hole; 32. a drive plate; 321. a surrounding wall; 322. a rack portion; 323. connecting holes; 324. an assembly hole; 33. a transmission rod; 34. a linear motion mechanism; 40. a drive member; 41. a motor; 42. a gear; 50. a pivot structure; 51. a pivot post; 52. a pivot hole; 60. and (4) a pot body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

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 exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

At present, current automatic lid that opens and shuts rotates and then drives the locking closure unblock and locking through drive arrangement drive driving medium, the spacing cooperation of stop lever and inside lining, when the locking closure is in the latched position and the cooking utensil is internal to have the structure to carry on spacingly, make like this if when user's maloperation, drive arrangement can drive the driving medium, but because the locking closure can't rotate under the effect of stop lever, consequently the driving medium is easily damaged, in order to solve foretell technical problem, as shown in fig. 1 to fig. 10, in embodiment one, the lid subassembly includes: liner 10, locking cap 20, transmission member 30 and driving member 40. The liner 10 is provided with a first stop hole 11 and a slide groove 12. The locking cover 20 is rotatably disposed below the liner 10, the locking cover 20 has a locking position and an unlocking position, and the locking cover 20 is provided with a locking bar 21 and a locking column 22. The transmission member 30 is rotatably disposed on the liner 10, the transmission member 30 and the lock cylinder 22 cooperate to drive the lock cylinder 22 to move in the sliding slot 12, and the lock cover 20 is switched between the locking position and the unlocking position, the transmission member 30 is provided with a second opening stopping hole 31, and when the lock cover 20 is in the locking position, the opening stopping rod 21 can sequentially extend into the first opening stopping hole 11 and the second opening stopping hole 31. The driving member 40 is disposed on the liner 10, and the driving member 40 drives the transmission member 30 to rotate.

By using the technical scheme of the embodiment, the sliding groove 12 is formed in the inner liner 10, the lock cylinder 22 is arranged on the lock cover 20, the transmission member 30 and the driving member 40 are both arranged on the inner liner 10, the driving member 40 can drive the transmission member 30 to rotate, and meanwhile, the transmission member 30 is connected with the lock cylinder 22, so that the driving member 40 can drive the lock cylinder 22 to move in the sliding groove 12 when driving the transmission member 30 to rotate, and further, the lock cover 20 is switched between the locking position and the unlocking position. The lining 10 is further provided with a first stop opening 11, the transmission member 30 is provided with a second stop opening 31 corresponding to the first stop opening 11, and the locking cover 20 is provided with a stop rod 21. When the locking cover 20 is in the locking position and the pressure inside the cooking appliance is greater than a certain value, the open-stop lever 21 can be floated up and inserted into the first open-stop hole 11 and the second open-stop hole 31. Through the arrangement, when the locking cover 20 is in the locking position and the pressure inside the cooking utensil is greater than a certain value, the opening stopping rod 21 can be limited by the first opening stopping hole 11 and the second opening stopping hole 31, and meanwhile, the position of the transmission member 30 can be limited through the limit matching of the opening stopping rod 21 and the second opening stopping hole 31, so that the position of the transmission member 30 is not changed, and the transmission member 30 can be prevented from being damaged due to the driving of the driving member 40 on the transmission member 30. Therefore, the technical scheme of the embodiment effectively solves the problem that the driving device applies force to the transmission piece to easily damage the transmission piece when the opening stopping rod floats upwards in the related art.

Specifically, if the position of the driving member 30 is not limited by the stop lever 21, when the stop lever 21 is in limit fit with the lining 10, the positions of the lock cover 20 and the lining 10 are fixed, the driving member 40 drives the driving member 30, the driving member 30 is forced to apply force to the lock cylinder 22, but the lock cylinder 22 cannot move due to the fixed position of the lock cover 20, and the driving member 30 is easily bent to be damaged. After the transmission member 30 is limited by the opening stop rod 21, the position of the transmission member 30 is more stable under the action of the lock column 22 and the opening stop rod 21, and the bending is not easy to occur.

It should be noted that the release lever 21 can float only when the locking cover 20 is in the locking position and pressure is present in the cooking appliance and is greater than a certain value.

In the first embodiment, there are three lock posts 22 and three slide slots 12. The edge of the first stop hole 11 is provided with a reinforcing coaming.

In consideration of the force application area of the opening stop rod to the second opening stop hole, in order to prevent the driving plate from being damaged due to the force applied by the opening stop rod to the side wall of the second opening stop hole, as shown in fig. 1 to 10, in the first embodiment, the driving member 30 includes the driving plate 32, the second opening stop hole 31 is disposed on the driving plate 32, a surrounding wall 321 is disposed on the driving plate 32, and the surrounding wall 321 surrounds the periphery of the second opening stop hole 31. The setting of surrounding wall 321 can make the area of contact with the check rod 21 bigger, and when driving plate 32 rotated and applied force to check rod 21, the surrounding wall 321 can disperse partial power, avoided the applied force all to transmit to driving plate 32 through second check hole 31 on, can protect driving plate 32 effectively like this.

To avoid interference with other structures, as shown in fig. 1-10, in one embodiment, perimeter wall 321 extends toward liner 10. The arrangement can avoid the interference between the surrounding wall 321 and other structures, so that the overall structure is more regular.

Specifically, in the first embodiment, there is a space between the bottom end of the perimeter wall 321 and the liner. The transmission member 30 has a fan shape, which makes it easier to rotate the transmission member.

Of course, the wall 321 may extend away from the liner 10, and the wall 321 may be set to be shorter, so as to increase the contact area with the open stop lever 21 and avoid interference with other structures.

As shown in fig. 1 to 10, in the first embodiment, the cover assembly further includes a pivot structure 50, the pivot structure 50 includes a pivot post 51 and a pivot hole 52 which are in plug-in fit, the pivot post 51 is disposed on the inner liner 10, and the pivot hole 52 is disposed on the transmission plate 32. The pivot post 51 and the pivot hole 52 are simple in structure, and the pivot post 51 and the pivot hole 52 are fitted together to enable the rotation of the transmission plate 32.

In other embodiments, the pivot post is disposed on the transfer plate and the pivot hole is disposed on the liner.

As shown in fig. 1 to 10, in the first embodiment, the pivot post 51 is a stepped post, and the pivot hole 52 is a stepped hole. The arrangement of the stepped holes and the stepped posts can make the plug-in fitting of the pivot posts 51 and the pivot holes 52 more stable. Specifically, the stepped surfaces of the stepped holes and the stepped columns are mutually abutted, so that the contact area can be increased, and the positions of the stepped holes and the stepped columns are stable.

Of course, in embodiments not shown in the figures, the pivot posts are light posts and the pivot holes are light holes.

As shown in fig. 1 to 10, in the first embodiment, the pivot post 51 is disposed on the liner 10 at the center of the liner 10, and the pivot hole 52 is disposed on the transmission plate 32. The above arrangement makes it possible to facilitate the placement of the stealing plates 32, i.e., the space occupied by the stealing plates 32 is reduced, and at the same time, since the pivot posts 51 are provided at the center of the liner 10, the rotation of the stealing plates 32 can be matched with the rotation of the locking cover 20, i.e., synchronized rotation.

As shown in fig. 1 to 10, in the first embodiment, a rack portion 322 is provided at an end of the transmission plate 32 away from the pivot hole 52, the driving member 40 includes a motor 41 and a gear 42 provided on an output shaft of the motor 41, and the gear 42 is engaged with the rack portion 322. The engagement of the rack portion 322 and the gear 42 effectively effects rotation of the drive plate 32, with the rack portion 322 being arcuate. And the rack portion 322 is located at the end of the drive plate 32 remote from the pivot structure 50, the motor 41 is located outside the drive plate 32.

In the first embodiment, the transmission plate 32 is provided with a through hole, the exhaust pipe 23 penetrates through the transmission plate 32 through the through hole, the pressure limiting valve 24 is located above the transmission plate 32, and the exhaust pipe 23, the pressure limiting valve 24, the lock cover 20 and the transmission member 30 rotate synchronously.

Specifically, the end of the liner 10 is provided with a hinge structure, the liner 10 is connected with the pot body 60 through the hinge structure, and the motor 41 is disposed at the hinge structure.

In order to make the connection between the lock cylinder and the driving plate more stable, as shown in fig. 1 to 10, in the first embodiment, the driving plate 32 is provided with a mounting hole 324, and the lock cylinder 22 is inserted into the mounting hole 324. The fitting hole 324 has a simple structure, is easy to set, and the fitting of the lock cylinder 22 with the fitting hole 324 is more stable.

Alternatively, the lock cylinder 22 and the mounting hole may be an interference fit, or may be attached by adhesive, or may be fixedly attached by fasteners.

In the first embodiment, the lock cylinder 22 is provided with two guide plates, which are spaced apart from each other and located on two opposite sides of the sliding chute 12.

As shown in fig. 1 to 10, in the first embodiment, the locking cover 20 is provided with the exhaust pipe 23 and the pressure limiting valve 24 located at the top of the exhaust pipe 23, the transmission plate 32 is provided with a connection hole 323, and the exhaust pipe 23 is inserted into the connection hole 323. The exhaust pipe 23 is provided to exhaust gas from the cooking appliance, and the pressure limiting valve 24 is provided to control the pressure inside the cooker.

As shown in fig. 11 to 14, in the second embodiment, the transmission member 30 includes a transmission rod 33, the transmission rod 33 is bent, the transmission rod 33 is connected to the transmission plate 32, the driving member 40 is in driving fit with a first end of the transmission rod 33, and a second end of the transmission rod 33 is hinged to the lock cylinder 22. The drive link 33 is provided to effect rotation of the lock cylinder 22 and thus the lock cover 20. The second stopper hole 31 is provided on the driving plate 32.

As shown in fig. 11 to 14, in the second embodiment, the transmission member 30 further includes a linear motion mechanism 34, the linear motion mechanism 34 is hinged to the first end of the transmission rod 33, and the driving member 40 drives the linear motion mechanism 34 to move linearly. The linear motion mechanism 34 can realize linear motion, and then can drive the transmission rod 33 to rotate, and the transmission rod 33 rotates to drive the lock cylinder 22 to rotate, so that the cover opening and the cover closing of the lock cover 20 are realized.

Specifically, in the second embodiment, the transmission rod 33 includes a first rod and a second rod arranged at an angle, and the first rod is hinged to the lock cylinder 22. Be provided with first bar hole on the first body of rod, lock post 22 inserts to first bar downthehole. The linear motion mechanism 34 is movably disposed on the liner 10, the linear motion mechanism 34 is driven by the driving member 40, the linear motion mechanism 34 is hinged to the second rod, specifically, a second strip-shaped hole is disposed on the second rod, and a driving post is disposed on the linear motion mechanism 34 and inserted into the second strip-shaped hole. The linear motion mechanism 34 further includes a rack engaged with the gear and a guide structure in guiding engagement with the rack. The lining 10 is provided with a bracket, the rack is a straight rack, the rack is movably arranged on the bracket, and the guide structure is arranged between the bracket and the rack. The brackets are provided on the liner 10 so that the movement of the racks is easier and interference with other structures can be avoided. Meanwhile, the structure of the bracket is simple and convenient to install. The guide structure comprises a guide plate and a guide groove, the guide plate and the guide groove are simple in structure, the guide plate is inserted into the guide groove, and therefore guiding can be achieved, namely the rack can only move along the direction of movement of the guide groove and the guide plate, and deviation cannot occur.

The included angle between the first rod body and the second rod body is 120-170 degrees.

According to another aspect of the present application, there is provided a cooking appliance, the cooking appliance of the embodiment including: the pot body 60 and a cover body assembly hinged with the pot body 60, wherein the cover body assembly is the cover body assembly. The cover body assembly can limit the transmission piece 30 through the stop rod 21, and then can protect the transmission piece 30, so that the transmission piece 30 is prevented from being damaged. Therefore, the cooking utensil with the cover assembly also has the advantages.

In this embodiment, the cooking appliance may be an electric pressure cooker, an electric rice cooker, a low-pressure rice cooker, a soybean milk maker, a food processor, a cooking machine, an electric stewpan, a multifunctional pot, or the like.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "above … …", "above … …", "above … … upper surface", "above", etc. may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. A cover assembly, comprising:

the lining (10), wherein a first stop hole (11) and a sliding groove (12) are arranged on the lining (10);

the lock cover (20) is rotatably arranged below the liner (10), the lock cover (20) is provided with a locking position and an unlocking position, and the lock cover (20) is provided with an unlocking rod (21) and a lock column (22);

the transmission piece (30) is rotatably arranged on the inner liner (10), the transmission piece (30) is matched with the lock column (22) to drive the lock column (22) to move in the sliding groove (12) and enable the lock cover (20) to be switched between the locking position and the unlocking position, a second stop opening hole (31) is formed in the transmission piece (30), and when the lock cover (20) is in the locking position, the stop opening rod (21) can sequentially extend into the first stop opening hole (11) and the second stop opening hole (31);

the driving piece (40) is arranged on the lining (10), and the driving piece (40) drives the transmission piece (30) to rotate.

2. The cover assembly according to claim 1, wherein the transmission member (30) comprises a transmission plate (32), the second stop opening (31) is disposed on the transmission plate (32), a surrounding wall (321) is disposed on the transmission plate (32), and the surrounding wall (321) surrounds the periphery of the second stop opening (31).

3. The cover assembly according to claim 2, wherein the perimeter wall (321) extends towards the liner (10).

4. The cover assembly of claim 2, further comprising a pivot structure (50), the pivot structure (50) comprising a bayonet-fit pivot post (51) and pivot hole (52), one of the pivot post (51) and the pivot hole (52) being disposed on the liner (10) and the other of the pivot post (51) and the pivot hole (52) being disposed on the transfer plate (32).

5. The cover assembly of claim 4, wherein the pivot post (51) is a stepped post and the pivot hole (52) is a stepped hole.

6. The cover assembly of claim 4, wherein said pivot post (51) is disposed on said inner liner (10) at the center of said inner liner (10), said pivot hole (52) being located on said actuator plate (32).

7. The cover assembly according to claim 4, wherein a rack portion (322) is provided at an end of the transmission plate (32) remote from the pivot hole (52), the driving member (40) includes a motor (41) and a gear (42) provided on an output shaft of the motor (41), and the gear (42) is engaged with the rack portion (322).

8. The cover assembly of claim 7, wherein the transmission plate (32) is provided with a mounting hole (324), and the lock cylinder (22) is inserted into the mounting hole (324).

9. The cover assembly of claim 3, wherein the transmission member (30) comprises a transmission rod (33), the transmission rod (33) is bent, the transmission rod (33) is connected to the transmission plate (32), the driving member (40) is in driving fit with a first end of the transmission rod (33), and a second end of the transmission rod (33) is hinged to the lock cylinder (22).

10. The cover assembly of claim 9, wherein the transmission member (30) further comprises a linear motion mechanism (34), the linear motion mechanism (34) is hingedly connected to the first end of the transmission rod (33), and the driving member (40) drives the linear motion mechanism (34) to move linearly.

11. The cover assembly according to claim 2, wherein an exhaust pipe (23) and a pressure limiting valve (24) located at the top of the exhaust pipe (23) are disposed on the locking cover (20), a connecting hole (323) is disposed on the driving plate (32), and the exhaust pipe (23) is inserted into the connecting hole (323).

12. A cooking appliance, comprising:

a pot body (60) and a cover body assembly hinged with the pot body (60), wherein the cover body assembly is the cover body assembly in any one of claims 1 to 11.

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