CN117045105A - Pot cover assembly and cooking utensil - Google Patents

Abstract

The application discloses a pot cover assembly and a cooking utensil, wherein the pot cover assembly comprises a cover body, an opening and closing piece and a driving assembly, wherein the opening and closing piece is movably arranged on the inner side of the cover body so as to have a locking position for locking with the pot body and an unlocking position for separating from the pot body on a movable stroke; the driving component comprises a sliding block which is arranged on the cover body in a sliding manner and a driving piece which is connected with the sliding block and the opening and closing piece in a transmission manner, the driving piece is rotatably arranged on the cover body, the axis of a rotating shaft of the driving piece is arranged along the thickness direction of the cover body, the sliding block is arranged along the plane where the cover body is located in a sliding manner, and the driving piece is used for converting the sliding of the sliding block into the movement of the opening and closing piece. Through setting up the slider that can slide, the user only needs to promote the slider and slide along the plane that the lid is located, and the power of pushing away the flat is finally converted into the closure and the unblock of opening and shutting the piece through the rotation of driving piece, and need not to twist through traditional wrist and open and shut the lid to solve current pot cover subassembly and open the joint that needs the user wrist and produce the inconvenient problem of twist operation.

Description

Pot cover assembly and cooking utensil

Technical Field

The application relates to the field of household appliances, in particular to a pot cover assembly and a cooking appliance.

Background

The existing pressure cooker cover opening and closing mechanisms are of various types and mainly comprise cover falling mechanisms, screwing mechanisms and clamp type mechanisms. The rotary pressure cooker has the advantages of simple structure, convenient manufacture and low cost, so that the rotary pressure cooker is most widely used and popularized.

At present, a common round pressure cooker generally adopts a torsion type screwing mode, and in the use process, a user needs to twist a joint of a wrist of the user to open a cooker cover in a place where man-machine unreasonable appears in the use process, so that the operation is inconvenient.

Disclosure of Invention

The application mainly aims to provide a pot cover assembly and a cooking utensil, and aims to solve the problem that the existing pot cover assembly is inconvenient to open because of twisting operation caused by joints of wrists of users.

In order to achieve the above object, the present application provides a pot cover assembly, wherein the pot cover assembly comprises:

a cover body;

the opening and closing piece is movably arranged on the inner side of the cover body and is provided with a locking position for locking with the pot body and an unlocking position for separating from the pot body on a movable stroke; the method comprises the steps of,

the driving assembly comprises a sliding block and a driving piece, wherein the sliding block is arranged on the cover body in a sliding mode, the driving piece is in transmission connection with the sliding block and the opening and closing piece, the driving piece is rotatably installed on the cover body, the axis of a rotating shaft of the driving piece is arranged in the thickness direction of the cover body, the sliding block is arranged in a sliding mode along the plane where the cover body is located, and the driving piece is used for converting the sliding of the sliding block into the movement of the opening and closing piece.

Optionally, a handle is further disposed on the outer side of the cover body, and the slider is slidably mounted on the handle along the width direction of the handle.

Optionally, the sliding block has a first position and a second position, the sliding block drives the driving piece to rotate in the stroke from the first position to the second position so as to unlock the opening and closing piece, and in the first position, the sliding block is arranged laterally beyond the side edge of the handle.

Optionally, the handle is provided with a sliding rail along the width direction of the handle, and the sliding block is provided with a sliding groove in sliding fit with the sliding rail.

Optionally, the opening and closing member is rotatably installed on the cover body, so as to have a locking position for locking with the pot body and an unlocking position for separating from the pot body on a rotation stroke;

the driving piece is used for converting the sliding of the sliding block into the rotation of the opening and closing piece.

Optionally, an eccentric guide post is convexly arranged on one side of the opening and closing piece, which faces the cover body;

a driving part is arranged on one side of the sliding block;

the circumference of the driving piece is convexly provided with a driving arm towards the driving part, the driving arm is in driving connection with the eccentric guide post, and the driving arm is in driving connection with the driving part, so that when the driving part drives the driving arm to move, the driving piece drives the eccentric guide post to rotate around the axis of the rotating shaft of the opening and closing piece.

Optionally, the driving arm includes a first driving arm and a second driving arm that are disposed at intervals in a thickness direction of the cover body, a free end of the first driving arm is in driving connection with the driving portion, and a free end of the second driving arm is in driving connection with the eccentric guide post.

Optionally, the driving piece includes coaxial rotation setting's first driving piece and second driving piece, the week side of first driving piece is along its radial extension have first actuating arm, the week side of second driving piece is along radial extension have the second actuating arm, be equipped with transmission structure between first driving piece and the second driving piece, so that first driving piece with the second driving piece synchronous rotation.

Optionally, the transmission structure is disposed offset from the axes of the first and second drivers;

the transmission structure comprises a positioning part and a matching part which are arranged on the first driving piece and the second driving piece, wherein one of the positioning part and the matching part is a positioning bulge, and the other is a positioning hole matched with the positioning bulge.

Optionally, a free end of the first drive arm is engaged with the drive portion; and/or the number of the groups of groups,

the free end of the second driving arm is concavely provided with a clamping groove, and the clamping groove is used for clamping the periphery side of the eccentric guide post.

Optionally, the driving assembly further includes a reset member for resetting the opening and closing member from the unlocking position to the locking position.

Optionally, the reset piece includes locating the lid with the torsional spring between the driving piece, torsional spring one end with the driving piece is connected, the other end with the lid is connected.

Optionally, the reset piece further comprises a spring arranged between the sliding block and the handle, one end of the spring is connected with the sliding block, and the other end of the spring is connected with the handle and used for resetting the sliding block from the second position to the first position.

The application also provides a cooking utensil, which comprises the pot cover assembly, wherein the pot cover assembly comprises:

a cover body;

the opening and closing piece is movably arranged on the inner side of the cover body and is provided with a locking position for locking with the pot body and an unlocking position for separating from the pot body on a movable stroke; the method comprises the steps of,

the driving assembly comprises a sliding block and a driving piece, wherein the sliding block is arranged on the cover body in a sliding manner, the driving piece is in transmission connection with the sliding block and the opening and closing piece, the driving piece is rotatably installed on the cover body, the axis of a rotating shaft of the driving piece is arranged along the thickness direction of the cover body, the sliding block is arranged along the plane where the cover body is located in a sliding manner, and the driving piece is used for converting the sliding of the sliding block into the movement of the opening and closing piece.

Optionally, the cooking appliance is a pressure cooking appliance.

According to the technical scheme, the pot cover assembly comprises a cover body and an opening and closing member movably arranged on the cover body, the opening and closing member is provided with a locking position for locking with the pot body and an unlocking position for separating from the pot body on a movable stroke of the opening and closing member, the pot cover assembly further comprises a driving assembly, the driving assembly comprises a sliding block slidably arranged on the cover body and a driving member in transmission connection with the sliding block and the opening and closing member, the driving member is rotatably arranged on the cover body, a rotating shaft axis of the driving member is arranged along the thickness direction of the cover body, the sliding block is slidably arranged along a plane where the cover body is located, the driving member is used for converting sliding of the sliding block into movement of the opening and closing member, a user only needs to push the sliding block to slide along the plane where the cover body is located through the arrangement of the sliding block, and the flat pushing force is finally converted into locking and unlocking of the opening and closing member through rotation of the driving member, and the opening and closing of the cover body is not needed through traditional twisting movement, so that the problem that the opening and closing of the pot cover assembly is convenient to open the wrist is not needed.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of an embodiment of a lid assembly according to the present application;

FIG. 2 is a top plan schematic view of the pot cover assembly of FIG. 1;

FIG. 3 is a schematic cross-sectional view of A-A of FIG. 1;

FIG. 4 is a schematic cross-sectional view of B-B of FIG. 1;

FIG. 5 is a schematic view of the internal structure of the handle of FIG. 1;

FIG. 6 is a schematic perspective view of the first driving member of FIG. 1;

FIG. 7 is a schematic perspective view of the second driving member of FIG. 1;

FIG. 8 is a schematic perspective view of the opening and closing member of FIG. 1;

FIG. 9 is a schematic perspective view of the slider of FIG. 1;

FIG. 10 is a schematic perspective view of the handle of FIG. 1;

fig. 11 is a schematic plan view of an embodiment of a cooking apparatus according to the present application.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Pot cover assembly	32b	Second driving member
1000	Cooking utensil	321	Driving arm
				1	Cover body	3211	A first driving arm
2	Opening and closing piece	3212	A second driving arm
				21	Eccentric guide post	3221	Positioning protrusion
22	Tooth fastener	3222	Positioning hole
				3	Driving assembly	33	Reset piece
31	Sliding block	331	Torsion spring
				311	Sliding chute	332	Spring
312	Drive unit	4	Handle grip
				32	Driving piece	41	Sliding rail
32a	First driving member

The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the case where a directional instruction is involved in the embodiment of the present application, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.

The existing pressure cooker cover opening and closing mechanisms are of various types and mainly comprise cover falling mechanisms, screwing mechanisms and clamp type mechanisms. The rotary pressure cooker has the advantages of simple structure, convenient manufacture and low cost, so that the rotary pressure cooker is most widely used and popularized. At present, a common round pressure cooker generally adopts a torsion type screwing mode, and in the use process, a user needs to twist a joint of a wrist of the user to open a cooker cover in a place where man-machine unreasonable appears in the use process, so that the operation is inconvenient.

In order to solve the above-mentioned problems, the present application provides a pot cover assembly 100, and fig. 1 to 10 illustrate an embodiment of the pot cover assembly 100 according to the present application.

Referring to fig. 1 to 3, the lid assembly 100 includes a lid 1, an opening and closing member 2, and a driving assembly 3, wherein the opening and closing member 2 is movably disposed on the inner side of the lid 1, so as to have a locking position for locking with a pot body and an unlocking position for separating from the pot body on a moving stroke; the driving assembly 3 comprises a sliding block 31 arranged on the cover body 1 in a sliding manner, and a driving piece 32 in a transmission connection manner and used for driving the sliding block 31 and the opening and closing piece 2, the driving piece 32 is rotatably installed on the cover body 1, a rotating shaft axis Y-Y of the driving piece 32 is arranged along the thickness direction of the cover body 1, the sliding block 31 is arranged along the plane where the cover body 1 is located in a sliding manner, and the driving piece 32 is used for converting the sliding of the sliding block 31 into the movement of the opening and closing piece 2.

According to the technical scheme provided by the application, the pot cover assembly 100 comprises a cover body 1 and an opening and closing member 2 movably arranged on the cover body 1, the opening and closing member 2 is provided with a locking position for locking with the pot body and an unlocking position for separating from the pot body on the moving stroke, the pot cover assembly 100 further comprises a driving assembly 3, the driving assembly 3 comprises a sliding block 31, the sliding block 31 is slidably arranged on the cover body 1, the driving assembly further comprises a driving member 32 in transmission connection with the sliding block 31 and the opening and closing member 2, the driving member 32 is rotatably arranged on the cover body 1, a rotating shaft axis Y-Y of the driving member 32 is arranged along the thickness direction of the cover body 1, the sliding block 31 is slidably arranged along the plane where the cover body 1 is located, the driving member 32 is used for converting the sliding of the sliding block 31 into the movement of the opening and closing member 2, a user only needs to push the sliding block 31 along the plane where the cover body 1 is located, the driving member 32 is in a transmission manner, the sliding block 32 is not required to be converted into the rotation of the opening and closing member 2 through a torsion joint, and the conventional wrist opening and closing member 100 is not required to be opened by the user, and the wrist opening and closing assembly is convenient to solve the problem of the conventional opening and closing of the pot cover assembly.

Specifically, the slider 31 may be disposed on the upper surface of the cover 1, and may also be disposed on other parts on the cover 1, referring to fig. 5, in this embodiment, a handle 4 is further disposed on the outer side of the cover 1, and the handle 4 is used for a user to hold and operate, so that the slider 31 is slidably mounted on the handle 4 along the width direction of the handle 4, and when the user holds the handle 4, the slider 31 can be operated, and the user can hold the handle 4 to open the cover while unlocking the cover conveniently, so that the operation is more convenient.

Further, in order to facilitate the sliding operation of the slider 31 by the user, in this embodiment, since the slider 31 is slidably disposed on the handle 4, the slider 31 has a first position in an initial state and a second position when the opening and closing member 2 is switched to be in the unlocking position, when the slider 31 is moved from the first position to the second position, the slider 31 drives the driving member 32 to rotate so as to actively unlock the opening and closing member 2, and in the first position, the slider 31 is disposed laterally beyond the side edge of the handle 4, so that when the user holds the handle 4 with force, the user holds the slider 31 protruding laterally, and when the user holds the slider with force, the slider 31 slides along the width direction of the handle 4 and is stored into the handle 4, so that the side edge of the slider 31 set beyond the handle 4 is not set with the side edge of the handle 4, so that the user can avoid the user holding the slider 31 with a small force by pushing the user's finger 31 to the handle 4.

Specifically, referring to fig. 4, 5, 9 and 10, in this embodiment, the handle 4 is provided with a sliding rail 41 along a width direction thereof, a sliding groove 311 is formed on a side of the sliding block 31 near the sliding rail 41, the sliding groove 311 is slidably matched with the sliding rail 41, the sliding block 31 is clearance-matched with the sliding groove 311, so that the sliding block 31 can slide along an extending direction of the sliding rail 41, the sliding rail 41 and the sliding groove 311 form a guiding structure, so that a sliding direction of the sliding block 31 can be limited, and a sliding matching manner of the sliding block 31 and the handle 4 is not limited to the above-mentioned sliding rail 41 and the sliding groove 311, but may be a manner that a receiving cavity is formed in the handle 4, the sliding block 31 is provided in the receiving cavity and can slide along an inner wall of the receiving cavity, and a matching manner of the sliding block 31 and the sliding groove 311 is not limited to the above-mentioned manner, and other structural forms capable of realizing sliding matching are also within a protection scope of the present application.

Specifically, in this embodiment, the opening and closing member 2 is rotatably mounted on the lid 1, the fastening teeth 22 may be disposed on the circumferential side of the opening and closing member 2, and the pot teeth may be disposed on the circumferential side of the pot body, when the opening and closing member 2 rotates relative to the pot body, the opening and closing member 2 has a locking position for locking with the pot body and an unlocking position for separating from the pot body on a rotating stroke thereof, so that the lid assembly 100 can be closed and opened only by driving the opening and closing member 2 to rotate, and the sliding block 31 has a sliding stroke, and the opening and closing member 2 has a rotating stroke, and in this embodiment, the driving member 32 is used for converting the sliding of the sliding block 31 into the rotation of the opening and closing member 2.

Specifically, referring to fig. 5 and 8, in this embodiment, an eccentric guide post 21 is protruding from one side of the opening and closing member 2 facing the cover 1, that is, the eccentric guide post 21 is offset from the axis X-X of the rotating shaft of the opening and closing member 2, a driving portion 312 is disposed on one side of the slider 31, in order to transmit the force of the driving portion 312 of the slider 31 along the linear motion direction to the eccentric guide post 21 of the opening and closing member 2, a driving arm 321 is protruding from the circumferential side of the driving member 32 toward the driving portion 312, the driving arm 321 is in driving connection with the eccentric guide post 21, the driving arm 321 is in driving connection with the driving portion 312, when the slider 31 slides, the driving portion 312 drives the driving arm 321 to rotate around the axis Y-Y of the rotating shaft of the driving member 32, the free end of the driving arm 321 abuts against the eccentric guide post 21 in the rotating stroke, and gives a driving force to the eccentric guide post 21, and when the driving member 21 receives a non-radial force, the driving member 32 drives the eccentric guide post 21 to rotate around the axis X of the eccentric guide post 21, thereby rotating the driving arm 321 to rotate around the axis X of the rotating member 2, and the opening and closing member 2 rotates.

Further, since the slider 31 provided on the handle 4 is located above the plane of the cover 1, and the opening and closing member 2 is located at the inner side of the cover 1, a certain height difference exists between the opening and closing member 2 and the slider 31, and the eccentric guide post 21 is provided on the opening and closing member 2, the driving member 32 needs to be simultaneously in driving connection with the slider 31 and the eccentric guide post 21, and referring to fig. 5, 6 and 7, in this embodiment, the driving arm 321 specifically includes a first driving arm 3211 and a second driving arm 3212 that are disposed at intervals in the thickness direction of the cover 1, wherein the free end of the first driving arm 3211 is in driving connection with the driving portion 312, and when the slider 31 slides, the first driving arm 3211 is driven to rotate, so as to drive the second driving arm 3212 to also rotate around the axis Y-Y of the rotating shaft of the driving member 32, and the free end of the second driving arm 3212 is in driving connection with the eccentric guide post 21, so that the free end of the second driving arm 3212 applies driving force to the eccentric guide post 21 around the axis X of the eccentric guide post 21 to realize the rotation plane of the eccentric guide post 21.

Further, for convenience of machining and installation, referring to fig. 6 and 7, in this embodiment, the driving member 32 includes a first driving member 32a and a second driving member 32b that are coaxially disposed and rotate, the first driving arm 3211 extends radially along a peripheral side of the first driving member 32a, the second driving arm 3212 extends radially along a peripheral side of the second driving member 32b, and in order to enable the first driving member 32a and the second driving member 32b to synchronously rotate, a transmission structure is disposed between the first driving member 32a and the second driving member 32b, so that the first driving member 32a and the second driving member 32b can synchronously rotate, and the transmission structure may be a threaded connection structure that is matched with each other, or an engagement structure that is meshed with each other, so that the first driving member 32a and the second driving member 32b can synchronously rotate, which is not limited to the above manner, but also falls within the scope of protection of the present application.

Specifically, for convenience in installation, in this embodiment, the transmission structure is disposed offset from the axis of the first driving member 32a and the second driving member 32b, and the transmission structure includes a positioning portion disposed on the first driving member 32a and a mating portion disposed on the second driving member 32b, where one of the positioning portion and the mating portion is a positioning protrusion 3221, and the other is a positioning hole 3222 mated with the positioning protrusion 3221, when the second driving member 32b on the opening and closing member 2 is installed, after the second driving member 32b is mated with the opening and closing member 2 and the eccentric guide post 21, the first driving member 32a is disposed above the second driving member 32b, so that the positioning protrusion 3221 can be directly inserted into the positioning hole 3222, and when the first driving member 32a rotates along its axis, the positioning protrusion 3221 drives the second driving member 32b on the side wall, and when the second driving member is screwed along its axis, the second driving member is also disposed along the axis, which is more simply and rotatably, compared with the process is provided.

Specifically, the driving modes between the first driving arm 3211 and the driving part 312, and between the second driving arm 3212 and the eccentric guide post 21 may specifically be: in the first embodiment, the free end of the first driving arm 3211 is provided with a tooth, and the side of the driving part 312 facing the first driving arm 3211 is also provided with a tooth, and the first driving arm 3211 is meshed with the driving part 312; in the second embodiment, the free end of the second driving arm 3212 is concavely provided with a clamping groove, the clamping groove is used for being clamped on the circumferential side of the eccentric guide post 21, the side wall of the clamping groove abuts against the eccentric guide post 21 to transmit the acting force, in the third embodiment, the first driving arm 3211 is engaged with the driving part 312, and the second driving arm 321 is clamped with the eccentric guide post 21.

Further, in order to facilitate the user operation, the opening and closing member 2 can be automatically switched between the unlocking position and the locking position, and in this embodiment, the driving assembly 3 further includes a reset member 33, where the reset member 33 is configured to reset the opening and closing member 2 from the unlocking position to the locking position.

Specifically, referring to fig. 5, in the present embodiment, the restoring member 33 includes a torsion spring 331 disposed between the cover 1 and the driving member 32, one end of the torsion spring 331 is connected to the driving member 32, the other end of the torsion spring 331 is connected to the cover 1, when the driving member 32 is driven to rotate in a forward direction, two ends of the torsion spring 331 are pressed to generate elastic deformation, when the slider 31 is released, the force acting on the driving member 32 by the driving portion 312 disappears, the force acting on one end of the torsion spring 331 by the driving member 32 disappears, the torsion spring 331 restores to elastic deformation, and because the other end of the torsion spring 331 abuts against the cover 1, the torsion spring 331 drives the driving member 32 to rotate, and when the driving member 32 rotates, the eccentric guide post 21 is driven to rotate to drive the opening and closing member 2 to return to the locking position.

Optionally, the reset element 33 further includes a spring 332 disposed between the slider 31 and the handle 4, one end of the spring 332 is connected to the slider 31, the other end is connected to the handle 4, the spring 332 is configured to reset the slider 31 from the second position to the first position, when the slider 31 is reset from the second position to the first position, the driving portion 312 on the slider 31 drives the driving element to reverse rotation, so that the eccentric guide post 21 reverses around the rotation axis X-X of the opening and closing element 2, thereby realizing that the opening and closing element 2 is reset to the locking position again from the unlocking position, in a specific implementation, after the user grips the handle 4 and drives the slider 31 to slide, the opening and closing element 2 is rotated forward to the unlocking position, at this time, the spring 332 is compressed to deform, when the user releases the handle 4 and does not grip the slider 31 on the handle 4, the spring 332 resumes the slider 31 to reverse rotation, so that the opening and closing element 2 is reset from the first position to the driving element 312 again from the unlocking position.

Referring to fig. 11, the present application further provides a cooking apparatus 1000, where the cooking apparatus 1000 includes the above-mentioned pot cover assembly 100, and the specific structure of the pot cover assembly 100 refers to the above-mentioned embodiments, and since the cooking apparatus 1000 adopts all the technical solutions of all the embodiments, at least has all the beneficial effects brought by all the technical solutions of all the embodiments, and will not be described in detail herein.

Specifically, the cooking appliance 1000 is the pressure cooking appliance 1000, specifically, the pressure cooking appliance 1000 includes a pot cover assembly 100 and a pot body, the periphery of an opening and closing member 2 of the pot cover assembly 100 is provided with a buckling tooth 22, the pot body is provided with an upward cavity, the periphery of the opening is provided with a pot tooth buckled with the buckling tooth 22, in the use process, a sliding block 31 is pushed to move so that the opening and closing member 2 moves, so that the opening and closing member 2 is switched between a locking position where the buckling tooth 22 buckles the pot tooth and an unlocking position where the buckling tooth 22 breaks away from the pot tooth, and as a result, a user only needs to hold a handle 4 and push a sliding block 31 to slide so as to realize locking and unlocking of the pot cover assembly 100.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the application, and all equivalent structural changes made by the description of the present application and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the application.

Claims (15)

1. A lid assembly comprising:

a cover body;

the opening and closing piece is movably arranged on the inner side of the cover body and is provided with a locking position for locking with the pot body and an unlocking position for separating from the pot body on a movable stroke; the method comprises the steps of,

the driving assembly comprises a sliding block and a driving piece, wherein the sliding block is arranged on the cover body in a sliding manner, the driving piece is in transmission connection with the sliding block and the opening and closing piece, the driving piece is rotatably installed on the cover body, the axis of a rotating shaft of the driving piece is arranged along the thickness direction of the cover body, the sliding block is arranged along the plane where the cover body is located in a sliding manner, and the driving piece is used for converting the sliding of the sliding block into the movement of the opening and closing piece.

2. The lid assembly of claim 1, wherein a handle is further provided on an outer side of the lid, and the slider is slidably mounted to the handle in a width direction of the handle.

3. The lid assembly of claim 2, wherein the slider has a first position and a second position, wherein the slider is movable from the first position to the second position to drive the driving member to rotate to unlock the opening and closing member, and wherein the slider is disposed laterally beyond the side of the handle in the first position.

4. The lid assembly of claim 3, wherein the handle is provided with a slide rail along a width direction thereof, and the slider is provided with a slide groove slidably engaged with the slide rail.

5. The lid assembly of claim 1, wherein the opening and closing member is rotatably mounted to the lid body to have a locked position for locking with the lid body and an unlocked position for separating from the lid body over a rotational stroke;

the driving piece is used for converting the sliding of the sliding block into the rotation of the opening and closing piece.

6. The lid assembly of claim 5, wherein the opening and closing member is provided with an eccentric guide post protruding toward a side of the lid body;

a driving part is arranged on one side of the sliding block;

the circumference of the driving piece is convexly provided with a driving arm towards the driving part, the driving arm is in driving connection with the eccentric guide post, and the driving arm is in driving connection with the driving part, so that when the driving part drives the driving arm to move, the driving piece drives the eccentric guide post to rotate around the axis of the rotating shaft of the opening and closing piece.

7. The lid assembly of claim 6, wherein the drive arms comprise first and second drive arms disposed at intervals in a thickness direction of the lid, a free end of the first drive arm being drivingly connected to the drive portion, and a free end of the second drive arm being drivingly connected to the eccentric guide post.

8. The lid assembly of claim 7, wherein the drive member comprises a first drive member and a first drive member coaxially rotatably disposed, wherein the first drive arm extends radially from a peripheral side of the first drive member, wherein the second drive arm extends radially from a peripheral side of the first drive member, and wherein a transmission structure is disposed between the first drive member and the first drive member to permit synchronous rotation of the first drive member and the first drive member.

9. The lid assembly of claim 8, wherein the transmission structure is disposed offset from the first drive member and the axis of the first drive member;

the transmission structure comprises a positioning part and a matching part which are arranged on the first driving piece and the first driving piece, wherein one of the positioning part and the matching part is a positioning bulge, and the other is a positioning hole matched with the positioning bulge.

10. The lid assembly of claim 8, wherein a free end of the first drive arm engages the drive portion; and/or the number of the groups of groups,

the free end of the second driving arm is concavely provided with a clamping groove, and the clamping groove is used for clamping the periphery side of the eccentric guide post.

11. The lid assembly of claim 3, wherein the drive assembly further comprises a reset member to reset the opening and closing member from the unlocked position to the locked position.

12. The lid assembly of claim 11, wherein the reset member comprises a torsion spring disposed between the lid and the drive member, the torsion spring having one end connected to the drive member and the other end connected to the lid.

13. The lid assembly of claim 11, wherein the return member further comprises a spring disposed between the slider and the handle, the spring having one end coupled to the slider and the other end coupled to the handle for returning the slider from the second position to the first position.

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

15. The cooking appliance of claim 14, wherein the cooking appliance is a pressure cooking appliance.