CN217390458U

CN217390458U - Pot cover assembly and cooking utensil

Info

Publication number: CN217390458U
Application number: CN202221091165.0U
Authority: CN
Inventors: 梅若愚; 吕伟刚; 杨云; 薛钊强; 吴良柳
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-09
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a pot cover component and a cooking utensil, which comprises a cover body, an opening and closing piece and a driving mechanism, wherein the opening and closing piece is movably arranged at the inner side of the cover body 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 movable stroke; the driving mechanism comprises a driving piece and a transmission mechanism, one end of the driving piece is rotatably installed on the cover body, the rotating axis of the driving piece extends along the direction of the plane where the cover body is located, so that the other end of the driving piece is provided with a first position close to the cover body and a second position far away from the cover body, and the transmission mechanism is in transmission connection with the opening and closing piece and the driving piece so as to convert the rotation of the driving piece into the movement of the opening and closing piece. The technical scheme of the utility model in, the driving piece passes through drive mechanism and opens and shuts the piece and be connected, drives the activity of opening and shutting the piece through rotating the driving piece to the hasp and the separation of the piece and the pot body are realized opening and shutting to the form that rotates the driving piece, have reduced the degree of difficulty of user's opening and shutting the lid, improve user experience.

Description

Pot cover assembly and cooking utensil

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a pot cover subassembly and cooking utensil.

Background

Most of cooking appliances in the prior art have an opening and closing cover structure, and taking a pressure cooker as an example, the existing opening and closing cover structure of the pressure cooker is mainly divided into a falling cover type, a screwing type and a clamping type. The rotary pressure cooker is most widely used and popularized because of its simple structure, convenient manufacture and low cost. At present, a common circular pressure cooker generally adopts a torsion type screwing mode, a user has an unreasonable man-machine place in the using process, when the user opens and closes the cover, a wrist joint needs to twist to open the cover, and the difficulty of opening and closing the cover by the user is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pot cover subassembly and cooking utensil, aim at solving current pressure cooker and have man-machine unreasonable place in the use, the user when the lid opens and shuts, the wrist joint need twist uncaps, increases the problem of the degree of difficulty that the user opened and shut the lid.

In order to achieve the above object, the utility model provides a pot cover assembly, the pot cover assembly includes:

a cover body;

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 the cover body with the pot body and an unlocking position for separating the cover body from the pot body on a movable stroke; and the number of the first and second groups,

the driving mechanism comprises a driving piece and a transmission mechanism, one end of the driving piece is rotatably installed on the cover body, the rotation axis of the driving piece extends in the direction of the plane where the cover body is located, so that the other end of the driving piece is provided with a first position close to the cover body and a second position far away from the cover body, and the transmission mechanism is in transmission connection with the opening and closing piece and the driving piece to convert the rotation of the driving piece into the movement of the opening and closing piece.

Optionally, the driving member is in the first position to drive the opening member to the unlocking position, and the driving member is in the second position to drive the opening member to the locking position.

Optionally, the transmission mechanism comprises:

the sliding part is slidably arranged on the cover body and is in driving connection with the driving part so as to be driven by the driving part to slide; and the number of the first and second groups,

and the linkage mechanism is arranged between the sliding piece and the opening and closing piece so as to convert the sliding of the sliding piece into the movement of the opening and closing piece.

Optionally, one end of the driver is provided with a plurality of first teeth distributed along the circumferential direction of the rotation axis of the driver;

the sliding piece is provided with a plurality of second tooth parts which are meshed with the first tooth parts.

Optionally, the driving member includes a driving handle, the driving handle includes a handle main body and a rotating shaft disposed at one end of the handle main body, the rotating shaft extends along a circumferential direction of the cover body, two extending ends of the rotating shaft are rotatably mounted on the cover body, and the plurality of first tooth portions are disposed on the rotating shaft.

Optionally, the plurality of first tooth portions form a driving engagement portion, the plurality of second tooth portions form a driven engagement portion, two driving engagement portions and two driven engagement portions are arranged on the rotating shaft at intervals, and the two driven engagement portions are arranged on the sliding member corresponding to the two driving engagement portions.

Optionally, the opening and closing member is rotatably arranged;

the linkage mechanism comprises a driving groove and a driving column matched with the driving groove, one of the driving groove and the driving column is arranged on the opening and closing member, the other one of the driving groove and the driving column is arranged on the sliding member, and the driving groove is a long groove extending along a first direction so as to drive the opening and closing member to rotate when the sliding member slides;

the first direction and the sliding direction of the sliding piece form an included angle at the horizontal plane.

Optionally, the opening and closing member includes an inner cap rotatably disposed on an inner side of the lid body, and fastening teeth for fastening with the pot teeth on the pot body are disposed on a peripheral side of the inner cap.

Furthermore, the utility model also provides a cooking utensil, include:

the pot body is provided with an accommodating cavity with an upward opening; and the number of the first and second groups,

in the pot cover assembly of the above technical scheme, the cover body can be covered on the opening end of the accommodating cavity in an openable manner.

Optionally, the cooking appliance comprises a pressure cooking appliance.

The technical scheme of the utility model, the lid inboard is equipped with the piece that opens and shuts, it is relative to open and shut the piece the lid activity sets up to can with pot body hasp and with pot body separation, driving piece one end rotate install in the lid, the driving piece passes through drive mechanism and is connected with the piece that opens and shuts, through rotating the driving piece drives the activity of the piece that opens and shuts, in order to rotate the form of driving piece realizes the hasp and the separation of the piece that opens and shuts and the pot body, has reduced the degree of difficulty of user's the lid that opens and shuts, improves user experience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of a lid assembly of the present invention, wherein the driving member is in a second position;

fig. 2 is a perspective view of the lid assembly of fig. 1 with the outer shell removed;

FIG. 3 is a schematic perspective view of the lid assembly of FIG. 1, with the drive member in a first position;

fig. 4 is a perspective view of the lid assembly of fig. 3 with the outer shell removed;

figure 5 is a top schematic view of the lid assembly of figure 3 with the outer shell removed;

FIG. 6 is a cross-sectional view of the lid assembly of FIG. 3;

FIG. 7 is an enlarged partial view of portion A of FIG. 6;

FIG. 8 is a perspective view of the drive member of FIG. 1;

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

FIG. 10 is a perspective view of the closing member of FIG. 1;

fig. 11 is a schematic perspective view of an embodiment of a cooking appliance according to the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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. 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 should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In view of this, the utility model provides a pot cover assembly aims at solving current pressure cooker and has man-machine unreasonable place in the use, and the user is when opening and shutting the lid, and the wrist joint need twist to uncap, increases the problem of the degree of difficulty that the user opened and shut the lid, and fig. 1 to fig. 10 do the utility model provides a pot cover assembly embodiment, fig. 11 do the utility model provides an embodiment of a cooking utensil.

It is understood that the cover 110 has an inner side and an outer side which are oppositely arranged, the inner side of the cover 110 is used for being arranged towards the pot body 200, and correspondingly, the outer side of the cover 110 is used for being arranged away from the pot body 200.

Referring to fig. 1 to 4, the lid assembly 100 includes a lid 110, an opening element 120 and a driving mechanism 130, wherein the opening element 120 is movably disposed inside the lid 110 to have a locking position for locking with the pot 200 and an unlocking position for separating from the pot 200 in a moving stroke; the driving mechanism 130 includes a driving member and a transmission mechanism, one end of the driving member is rotatably mounted on the cover 110, and a rotation axis of the driving member extends along a direction of a plane where the cover 110 is located, so that the other end of the driving member has a first position close to the cover 110 and a second position far away from the cover 110, and the transmission mechanism is in transmission connection with the opening member 120 and the driving member, so as to convert the rotation of the driving member into the movement of the opening member 120.

The technical scheme of the utility model, lid 110 inboard is equipped with the piece 120 that opens and shuts, it is relative to open and shut 120 lid 110 activity sets up to can with the pot body 200 hasp and with the separation of the pot body 200, driving piece one end rotate install in lid 110, the driving piece passes through drive mechanism and is connected with the piece 120 that opens and shuts, through rotating the driving piece drives the activity of the piece 120 that opens and shuts, in order to rotate the form of driving piece realizes the hasp and the separation of the piece 120 and the pot body 200 that opens and shuts, has reduced the degree of difficulty of user's the lid that opens and shuts, improves user experience.

The shape of the cover 110 is not limited, and may be circular, elliptical, or regular polygonal, and for the sake of understanding, the following description will be made with the cover 110 being circular. And it is understood that the cover body 110 is further provided with a discharge valve 150 at the middle thereof.

Specifically, one end of the driving element is rotatably mounted on the outer side of the cover body 110, and the rotation axis of the driving element is on the plane of the cover body 110, so that the other end of the driving element has a first position close to the cover body 110 and a second position far away from the cover body 110, and the first position and the second position of the driving element are used for corresponding to the locked position and the unlocked position of the opening and closing element 120; in this embodiment, the driving member is in the first position to drive the opening member 120 to the unlocking position, and the driving member is in the second position to drive the opening member 120 to the locking position. Of course, it is also possible that the driving member is in the first position to drive the opening member 120 to the locking position, and the driving member is in the second position to drive the opening member 120 to the unlocking position. Rotate in the driving piece, drive through drive mechanism the piece 120 activity of opening and shutting, and the one end of driving piece rotates the setting, makes rotating the driving piece is more laborsaving, has avoided the condition that the wrist joint wrench movement uncapped, has reduced the degree of difficulty that the user opened and shut the lid.

It should be noted that, the positions of the driving element relative to the cover body 110 when the driving element is located at the first position and the second position are not limited, in this embodiment, when the driving element is located at the first position, the driving element is parallel to the plane where the cover body 110 is located, and when the driving element is located at the second position, the driving element is perpendicular to the plane where the cover body 110 is located, so that the effect of optimizing the appearance of the product is achieved, and the market popularization of the product is facilitated.

Specifically, the specific form of the driving element driving the opening and closing element 120 to move is not limited, the transmission mechanism includes a sliding element 133 and a linkage mechanism, the sliding element 133 is slidably mounted on the cover 110, and is in driving connection with the driving element so as to be driven by the driving element to slide; the link gear is located slider 133 with between the piece 120 that opens and shuts, in order to incite somebody to action slider 133's slip converts into the activity of piece 120 that opens and shuts, the driving piece with slider 133 drive is connected, and slider 133 then through the link gear with piece 120 that opens and shuts is connected the driving piece rotates, drives slider 133 is relative lid 110 slides, slider 133 is used for passing through link gear drives piece 120 that opens and shuts moves, so can reach the driving piece drives the purpose that piece 120 moved opens and shuts.

The driving element and the sliding element 133 are installed in the specific position of the cover body 110 without limitation, as long as the sliding element 120 can be driven to move, in this embodiment, an installation protrusion 111 is convexly arranged on the outer side of the cover body 110, the installation protrusion 111 is arranged along the radial extension of the cover body 110, one end of the installation protrusion 111 contacts with the exhaust valve 150, the other end of the installation protrusion extends to the peripheral side of the cover body 110, the installation protrusion 111 is provided with a sliding groove extending along the radial extension of the cover body 110, the sliding groove is far away from the one side opening of the cover body 110, the sliding element 133 is slidably installed in the sliding groove, and the rotation end of the driving element is close to the exhaust valve 150.

Further, referring to fig. 6 to 7, the sliding form of the sliding member 133 driven by the driving member is not limited, in this embodiment, one end of the driving member is provided with a plurality of first tooth portions 132, and the plurality of first tooth portions 132 are distributed along the circumferential direction of the rotation axis of the driving member; the sliding element 133 is provided with a plurality of second tooth portions 134, the plurality of second tooth portions 134 are engaged with the plurality of first tooth portions 132, when the driving element rotates to the first position, the plurality of first tooth portions 132 are engaged with the plurality of second tooth portions 134 to drive the sliding element 133 to slide toward the exhaust valve 150, at this time, the sliding element 133 is located at the unlocking position, and when the driving element rotates to the second position, the sliding element 133 is driven to slide toward the direction away from the exhaust valve 150, at this time, the sliding element 133 is located at the locking position.

Specifically, the connection manner between the driving element and the sliding element 133 is not limited, and the driving element may include a driving handle 131, the driving handle 131 includes a handle body 1311 and a rotating shaft 1312 disposed at one end of the handle body 1311, the rotating shaft 1312 extends along the circumferential direction of the cover 110, two extending ends of the rotating shaft 1312 are rotatably mounted on the cover 110, and the first teeth 132 are disposed on the rotating shaft 1312. In this embodiment, the outer ends of two opposite sides of the sliding groove are respectively provided with a mounting seat 112, the mounting seat 112 is provided with a rotating shaft hole 113 matched with the rotating shaft 1312, the driving handle 131 and the rotating shaft 1312 are integrally formed, two ends of the rotating shaft 1312 protrude out of two opposite sides of the driving element to form two matching sections, the ends of the two matching sections are arranged in the rotating shaft hole 113, the rotating shaft 1312 and the sliding element 133 are arranged at intervals, and the first tooth portion 132 and the second tooth portion 134 are located between the rotating shaft 1312 and the sliding element 133. The rotating end of the driving member may be provided with a telescopic rod, and the other end of the telescopic rod is rotatably connected to the sliding member 133, so that the sliding member 133 is driven to slide when the driving member rotates.

Further, in this embodiment, the pot cover assembly 100 further includes an outer shell 114, the outer shell 114 covers the mounting protrusion 111, and correspondingly, a through hole is formed through a position of the outer shell 114 corresponding to the driving member, so as to facilitate the rotation of the driving member, and by arranging the outer shell 114, the transmission mechanism is accommodated in the outer shell 114, thereby optimizing the appearance of the product.

Further, in order to improve the stability of the transmission between the driving handle 131 and the slider 133, the first tooth portions 132 form driving engagement portions, the second tooth portions 134 form driven engagement portions, two driving engagement portions and two driven engagement portions are provided, the two driving engagement portions are disposed at the rotating shaft 1312 and located at two fitting sections respectively, and the two driven engagement portions are disposed on the slider 133 corresponding to the two driving engagement portions. Set up two pairs of intermeshing initiative meshing portion with driven meshing portion, and two pairs initiative meshing portion with driven meshing portion locates the both sides of driving piece make slider 133 atress is even, avoids appearing because of the atress is uneven slider 133 card dead phenomenon makes slider 133's slip is more smooth and easy, thereby improves the efficiency that opens and shuts of piece 120.

Specifically, lid 110 includes lid 110 main part and locates the lid 110 lateral part of lid 110 main part, lid 110 lateral part is followed lid 110 main part whole circle sets up, lid 110 lateral part with lid 110 main part encloses jointly and closes and be formed with the installation cavity, installation cavity one side opening sets up, the installation cavity with the adaptation of piece 120 opens and shuts, piece 120 rotates install in the installation cavity opens and shuts, makes open and shut piece 120 can rotate when corotation to the closure position, can rotate when the reversal to the unblock position, what need explain is that the direction of just reversing does not do the restriction.

Specifically, referring to fig. 5, in an embodiment in which the opening element 120 is rotatably mounted in the mounting cavity, the linkage mechanism includes a driving slot and a driving post 122 matched with the driving slot, one of the driving slot and the driving post 122 is disposed on the opening element 120, and the other is disposed on the sliding element 133, and the driving slot is an elongated slot extending along a first direction to drive the opening element 120 to rotate when the sliding element 133 slides; the first direction and the sliding direction of the sliding member 133 are arranged at an included angle on the horizontal plane. It should be noted that the pot cover assembly 100 has a horizontal direction and a vertical direction which are arranged crosswise in the horizontal plane, and the horizontal direction and the vertical direction are perpendicular to each other in the horizontal plane in the present embodiment, the horizontal direction is a direction F1 in the figure, and the vertical direction is a direction F2 in the figure, that is, a direction in which the sliding member 133 slides; the first direction is a direction F3 in the figure, and in the moving stroke of the sliding member 133 approaching to or departing from the middle of the cover 110, the driving column 122 moves in the elongated slot extending along the first direction to drive the opening and closing member 120 to rotate relative to the cover 110, thereby realizing the locking or unlocking of the opening and closing member 120 and the pot 200.

Referring to fig. 8 to 9, specific installation positions of the driving post 122 and the driving slot 135 are not limited, the driving post 122 may be disposed on the sliding member 133, the driving slot 135 is disposed on the opening member 120, or the driving post 122 may be disposed on the opening member 120, the driving slot 135 is disposed on the sliding member 133, in this embodiment, the driving post 122 is disposed on the opening member 120, and the driving slot 135 is disposed on the sliding member 133; it should be noted that, will drive groove 135 is seted up in the piece 120 that opens and shuts, on the one hand can destroy the overall structure of piece 120 that opens and shuts, on the other hand can the local attenuation of the capping of piece 120 under the pressure boost state, can make the piece 120 local atress is uneven, has the local impaired risk of piece 120 that opens and shuts, and will drive groove 135 is located the driving piece will drive post 122 correspondence is located piece 120 that opens and shuts can not make the uneven phenomenon of local atress appears in piece 120, under the prerequisite that realizes the driving function, has improved the life of piece 120 that opens and shuts to the factor of safety of shovel is improved.

Further, an included angle formed between the first direction and the sliding direction of the sliding member 133 on the horizontal plane ranges from 0 ° to 90 °, specifically, in this embodiment, an included angle formed between the first direction and the sliding direction of the sliding member 133 on the horizontal plane ranges from 45 °.

Specifically, in order to avoid that the sliding member 133 is separated from the opening of the sliding groove when the lid assembly 100 is taken and placed, one end of the driving column 122, which is far away from the opening member 120, extends out of the driving groove 135, and one end of the driving column 122, which is far away from the opening member 120, is convexly provided with a step, the step has an abutting surface facing the sliding member 133, the abutting surface contacts with the sliding member 133 to limit the sliding member 133 to be separated from the sliding groove, in this embodiment, one end of the driving column 122, which is far away from the opening member 120, is provided with a threaded hole, the lid assembly 100 further comprises a screw, the screw passes through the driving groove 135 and is in threaded fit with the driving column 122, and one end of the screw constitutes the step to limit the sliding member 133 to be separated from the opening of the sliding groove. The outer ends of the two opposite side walls of the sliding chute may be convexly provided with a blocking portion toward a direction of approaching each other, and the blocking portion is used for limiting the sliding member 133 to be separated from the opening of the sliding chute.

Specifically, referring to fig. 6, the opening and closing element 120 includes an inner cover 121 rotatably disposed on the inner side of the cover body 110, and fastening teeth for fastening with the pot teeth on the pot body 200 are disposed on the periphery of the inner cover 121, so that when the inner cover 121 rotates to the locking position, the fastening teeth are matched with the pot teeth to cover the pot cover assembly 100 on the pot body 200, and when the inner cover 121 rotates to the unlocking position, the fastening teeth are disengaged from the pot teeth, so that the cooking device 1000 can be opened.

Specifically, referring to fig. 1 to 2, the pot cover assembly 100 further includes a handle structure 140, the handle structure 140 is disposed at one end of the mounting protrusion 111 near the peripheral side of the cover body 110, and the handle structure 140 is used for a user to take and place the pot cover assembly 100.

The specific form of the gripping structure 140 is not limited, and may be one of an open type, a semi-closed type, and a closed type.

Further, when the driving element is located at the first position, one end of the driving element is close to the cover 110, so as to avoid interference between the handle structure 140 and the driving element, the handle structure 140 is further provided with an avoiding groove, and the avoiding groove extends along the radial direction of the cover 110.

In addition, the present invention further provides a cooking apparatus 1000, please refer to fig. 11, where the cooking apparatus 1000 includes a pot body 200 and a pot cover assembly 100, the pot body 200 has an accommodating cavity with an upward opening, it should be noted that the pot cover assembly 100 is the pot cover assembly 100, and the cover body 110 is openably and closably disposed at the opening end of the accommodating cavity. That is, the cooking appliance 1000 includes the lid assembly 100, and the specific structure of the lid assembly 100 refers to the above embodiments, and since the cooking appliance 1000 adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by all the technical solutions of all the above embodiments are achieved, and no further description is given here.

Further, cooking utensil 1000 is pressure cooking utensil 1000, specifically, pressure cooking utensil 1000 includes pot cover subassembly 100 and pot body 200, pot cover subassembly 100 the inner cup 121 lateral part is provided with buckles the tooth, pot body 200 has the ascending chamber that holds of opening, the open-ended periphery be provided with the tooth that the tooth was buckled the lock, in the use, the user promotes the driving piece slides, makes inner cup 121 rotates, so that inner cup 121 is in buckle the tooth lock the pot tooth the hasp position, and buckle the tooth and break away from the pot tooth switch between the unblock position, so, the user only needs to promote the driving piece can realize the closure and the unblock of pot cover subassembly 100, convenient user operation.

In addition, the cover body 110 is provided with a limiting block 115 protruding outwards along the radial direction, the pot body 200 is provided with a stopping groove 210 corresponding to the limiting block 115 in a concave manner, and the upper side of the stopping groove 210 is provided with an opening. The stop groove 210 and the stop block 115 are matched to prevent the inner cover 121 from driving the cover body 110 during rotation, so that the cover body 110 and the pot body 200 can be unlocked and locked more conveniently.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A pot cover assembly, comprising:

a cover body;

2. The lid assembly of claim 1, wherein the actuating member is in a first position to actuate the opening member to the unlocked position and the actuating member is in a second position to actuate the opening member to the locked position.

3. The lid assembly of claim 1 or 2, wherein the transmission mechanism comprises:

4. The lid assembly of claim 3, wherein the driving member is provided at one end thereof with a plurality of first teeth distributed along a circumferential direction of the rotation axis of the driving member;

5. The pot cover assembly according to claim 4, wherein the driving member comprises a driving handle, the driving handle comprises a handle body and a rotating shaft arranged at one end of the handle body, the rotating shaft extends along the circumferential direction of the cover body, two extending ends of the rotating shaft are rotatably arranged on the cover body, and the first teeth are arranged on the rotating shaft.

6. The lid assembly according to claim 5, wherein the first teeth constitute a driving engaging portion, the second teeth constitute a driven engaging portion, two driving engaging portions are disposed on the rotating shaft at intervals, and two driven engaging portions are disposed on the sliding member corresponding to the two driving engaging portions.

7. The lid assembly of claim 3, wherein the opening member is rotatably disposed;

the linkage mechanism comprises a driving groove and a driving column matched with the driving groove, one of the driving groove and the driving column is arranged on the opening and closing piece, the other one of the driving groove and the driving column is arranged on the sliding piece, and the driving groove is a long groove extending along a first direction and is used for driving the opening and closing piece to rotate when the sliding piece slides;

8. The lid assembly of claim 7, wherein the opening member comprises an inner lid rotatably disposed at an inner side of the lid body, and fastening teeth for fastening with the pot teeth on the pot body are disposed at a peripheral side of the inner lid.

9. A cooking appliance, comprising:

the lid assembly of any one of claims 1-8, wherein the cover is openably and closably disposed at the open end of the receiving cavity.

10. The cooking appliance of claim 9 wherein the cooking appliance comprises a pressure cooking appliance.