CN217907383U - Pot cover and cooking utensil - Google Patents

Abstract

The utility model relates to a cooking utensil technical field especially relates to a pot cover and cooking utensil, and the pot cover includes: a cover body; the connecting seat is arranged on the cover body and provided with a first joint groove, and a second joint groove is arranged on the bottom wall of the first joint groove; the cover handle is provided with a joint bulge, the joint bulge can be clamped in the first joint groove, so that the cover handle is limited in moving in the vertical direction, and the cover handle is also provided with a third joint groove; and the clamping piece can connect the second engagement groove and the third engagement groove, so that the cover handle is limited to move in the horizontal direction. According to the pot cover provided by the application, the first joint groove of the connecting seat on the cover body is matched with the joint bulge of the cover handle, and the clamping piece is matched with the second joint groove of the connecting seat and the third joint groove of the cover handle, so that the cover handle is stably connected with the cover body; and the cover handle and the cover body can be separately packaged during packaging, so that the packaging cost is saved, and meanwhile, the consumer can conveniently and quickly disassemble, so that the storage space is saved.

Description

Pot cover and cooking utensil

[ technical field ] A

The application relates to the technical field of cookers, in particular to a pot cover and a cooking appliance.

[ background ] A method for producing a semiconductor device

The cover of the cooking utensil is usually provided with a vertical cover head with support legs, and the support legs of the vertical cover head form a fixed angle with the cover. When the pot cover is erected, the two supporting points at the tail ends of the supporting legs and the contact point of the pot cover edge and the placing plane form three-point support, so that the pot cover can be erected on the table top, and the space occupied by the pot cover on the table top is reduced.

However, the existing vertical cover head has a large appearance size, and the positions of the support legs of the pot cover cannot be adjusted, so that the pot cover cannot be reversely buckled in the pot body for packaging during packaging, the packaging size of a product is much larger than that of a common pot cover, the packaging mode is more complicated, and the transportation cost is higher; meanwhile, the cover head can be erected during transportation and can collide with the pot body, so that the cooking utensil is damaged.

[ Utility model ] A method for manufacturing a semiconductor device

In view of this, the present application provides a pot cover and a cooking utensil, and the lid handle of pot cover set up separable structure, save and protect the packing space, reduce the cost of transportation.

In a first aspect, the present application provides a pot lid comprising:

a cover body;

the connecting seat is arranged on the cover body; the intersection part of the side wall and the top wall of the connecting seat is provided with a first engaging groove, and the longitudinal section width of at least part of the first engaging groove is larger than the opening width of the first engaging groove on the top surface of the connecting seat along the vertical direction; a second joint groove is arranged on the bottom wall of the first joint groove;

the cover handle is provided with an engaging protrusion which can be embedded into the first engaging groove, so that the cover handle is limited in movement in the vertical direction; the cover handle is also provided with a third joint groove extending along the vertical direction; and

and when the engaging protrusion is engaged with the first engaging groove, part of the engaging piece may be fitted into the second engaging groove, and part of the engaging piece may be fitted into the third engaging groove, so that the movement of the lid handle in the horizontal direction is restricted.

In a possible embodiment, the first and second parts are,

the first joint groove comprises a first part and a second part which are communicated;

the first part is arranged at the intersection part of the side wall and the top wall of the connecting seat, and the second joint groove is arranged at the bottom wall of the first part;

the second part is opened on the top wall of the connecting seat along the vertical direction, and the longitudinal section width of at least part of the second part is larger than the opening width of the second part on the top surface of the connecting seat.

In the above solution, since the first engaging groove extends in the horizontal direction, the engaging protrusion on the lid handle extends in the vertical direction, and the second portion has the same cross-sectional shape and size as the engaging protrusion, in actual use, the engaging protrusion is first abutted against the first portion of the first engaging groove, and then can be slidably inserted into the second portion; at this time, since the longitudinal sectional width of at least part of the first portion is larger than the width of the opening of the first portion at the top surface of the joint socket, that is, the opening of the first portion at the surface of the joint socket is smaller than the width of the engaging projection embedded in the first portion, the engaging projection is not escaped from above the first engaging groove, so that the movement of the lid handle in the vertical direction is restricted.

In a possible embodiment, a cross-sectional shape of the second portion, the second engaging groove, or the third engaging groove is one of a frustum of a pyramid, a plane having a straight portion and a circular arc portion, and a regular polygon.

In the above-mentioned scheme, can not deviate from first joint recess's top in order to guarantee that the joint arch, need make first joint recess be less than the bellied width of joint at the open-ended width on the top surface of connecting seat, consequently, choose for use foretell terrace with edge shape, have the plane and regular polygon isotructure of straight portion and arc portion, the width that is the first half is less than the width of the latter half, conveniently restricts the protruding removal in vertical direction of joint.

In a possible embodiment, the cross-sectional shape of the second portion, the second engagement groove, or the third engagement groove is a truncated pyramid.

In the scheme, the cross section of the second part, the second joint groove or the third joint groove is in a frustum pyramid shape, the side face of the frustum pyramid is in a plane structure, the machining process is simple, and the production efficiency is improved.

In a possible embodiment, a portion of the first part adjacent to the second part is provided with a blocking surface.

In the above scheme, after the cover handle is stably connected with the connecting seat, the joint bulge is completely embedded into the second part; at this moment, the clamping piece is required to be installed, and the blocking surface is arranged between the first part and the second part, so that the clamping piece can be prevented from being installed excessively to damage the joint bulge.

In a possible embodiment, the catch further comprises an auxiliary projection, which is connected to the catch; at least part of the clamping piece is embedded into the auxiliary protrusion along the radial direction of the clamping piece; and along the axial direction of the clamping piece, the part of the clamping piece extends to the outside of the end part of the auxiliary bulge;

the auxiliary protrusion is provided with a friction protrusion, and the clamping piece can be driven to move along the vertical direction to be connected with the second joint groove through the friction protrusion.

In the above scheme, since the engaging member moves in the vertical direction and then slides into or out of the second engaging groove, the user needs to contact with the engaging member during the sliding process, and the engaging member slides by friction. Therefore, the auxiliary protrusion is arranged, and the friction protrusion is arranged on the auxiliary protrusion, so that a user can slide the clamping piece into the second engaging groove more conveniently.

In a possible embodiment, the friction protrusion is a rib extending in a horizontal direction on the auxiliary protrusion.

In the above scheme, the friction bulge is arranged to be the convex rib extending along the horizontal direction, and the convex rib can increase the friction force between a user and the auxiliary bulge, so that the sliding process of the clamping piece is facilitated.

In a possible embodiment, the cover handle further includes a receiving groove provided at a side wall of the cover handle, communicating with the third engagement groove;

when the clamping piece is installed in the third joint groove, the auxiliary protrusion is contained in the containing groove.

In the above scheme, because the fastener is embedded connection, but set up supplementary protruding back, if supplementary protruding exposes in the lid handle outside, influence the aesthetic property, and hide the dirt easily, difficult clearance. Therefore, the accommodating groove communicated with the third joint groove is arranged, so that the auxiliary protrusion can be accommodated in the accommodating groove, and the aesthetic property of the cooking appliance is improved.

In a possible embodiment, the connection seat and the cover are connected by screws or by bonding.

Among the above-mentioned scheme, the connecting seat is the intermediate junction seat of lid handle and lid, and in the use, need install the connecting seat on the lid earlier, save user's installation. The connecting seat is connected with the cover body by screws, so that the connection between the connecting seat and the cover body is more stable; adopt adhesive bonding, need not set up the mounting hole on the lid, the simple to operate of connecting seat is swift.

In a second aspect, the present application provides a cooking appliance comprising a pot body and the pot cover of any one of the first aspect.

After adopting above-mentioned technical scheme, beneficial effect is:

according to the cooking utensil provided by the application, the cover handle is stably connected with the cover body through the matching of the first joint groove of the connecting seat of the cover body and the joint bulge of the cover handle and the matching of the clamping piece, the second joint groove of the connecting seat and the third joint groove of the cover handle; when in packaging, the clamping piece slides out of the second joint groove along the vertical direction, then the cover handle is pushed along the horizontal direction, and the joint bulge slides out of the first joint groove, so that the cover handle and the cover body can be separately packaged, and the packaging cost is saved; simultaneously, the consumer can convenient dismantlement after using, saves and accomodates the space.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a cooking appliance provided in the present application;

fig. 2 is an exploded view of a cooking appliance provided by the present application;

fig. 3 is a schematic structural diagram of a connection seat of a cooking appliance provided in the present application;

FIG. 4 is a schematic view of a lid handle of the cooking appliance provided in the present application;

fig. 5 is a schematic structural diagram of a clamping member of a cooking appliance provided in the present application.

Reference numerals:

1-a cover body;

2-a connecting seat;

21-a first engagement groove; 211-a first portion; 212-a second portion; 213-a blocking surface; 22-a second engagement recess;

3-cover handle;

31-an engaging projection; 32-a third engagement groove; 33-an accommodating groove;

4-a snap-fit;

41-auxiliary protrusions; 411-friction protrusions.

[ detailed description ] embodiments

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The cover of the cooking utensil is usually provided with a vertical cover head with support legs, and the support legs of the vertical cover head form a fixed angle with the cover. When the pot cover is erected, the two supporting points at the tail ends of the supporting legs and the contact point of the edge of the pot cover and the placing plane form three-point support, so that the pot cover can be erected on the table board, and the space occupied by the pot cover on the table board is reduced.

However, the existing vertical cover head has a large appearance size, and the positions of the support legs of the pot cover cannot be adjusted, so that the pot cover cannot be reversely buckled in the pot body for packaging during packaging, the packaging size of a product is much larger than that of a common pot cover, the packaging mode is more complicated, and the transportation cost is higher; meanwhile, the cover-standing head may collide with the pot body during transportation, resulting in damage to the cooking appliance.

In view of this, the present application provides a pot cover and cooking utensil, cooking utensil includes the pot body and pot cover, and the pot cover includes:

a cover body 1;

the connecting seat 2 is arranged on the cover body 1; the intersecting portion of the side wall and the top wall of the connection holder 2 is provided with a first engaging groove 21, and the longitudinal sectional width of at least a part of the first engaging groove 21 is larger than the opening width of the first engaging groove 21 at the top surface of the connection holder 2 in the vertical direction; a second engaging groove 22 is provided on the bottom wall of the first engaging groove 21;

the cover handle 3 is provided with an engaging protrusion 31, and the engaging protrusion 31 can be embedded into the first engaging groove 21, so that the cover handle 3 is limited to move in the vertical direction; the lid handle 3 is also provided with a third engaging groove 32 extending in the vertical direction; and

the engaging piece 4, when the engaging projection 31 is engaged in the first engaging groove 21, a part of the engaging piece 4 can be fitted in the second engaging groove 22, and a part of the engaging piece 4 is fitted in the third engaging groove 32, so that the movement of the lid handle 3 in the horizontal direction is restricted.

In the above solution, the cooking utensil, through the cooperation of the first engaging groove 21 of the connecting seat 2 of the lid body 1 and the engaging protrusion 31 of the lid handle 3, the engagement piece 4 cooperates with the second engaging groove 22 of the connecting seat 2 and the third engaging groove 32 of the lid handle 3, so that the lid handle 3 is stably connected with the lid body 1; when in packaging, the clamping piece 4 slides out of the second joint groove 22 along the vertical direction, then the cover handle 3 is pushed along the horizontal direction, and the joint bulge 31 slides out of the first joint groove 21, so that the cover handle 3 and the cover body 1 can be separately packaged, and the packaging cost is saved; meanwhile, the consumer can conveniently detach the glass after using the glass.

In some embodiments, the pot of the cooking appliance is provided with a receiving cavity, the material to be cooked is received in the receiving cavity, and the cooking process is performed in the receiving cavity. The pot body that this application used can be for aluminium pot, aluminum alloy pot, stainless steel pot, pottery pot or magnesium alloy pot etc. and the shape of pot body can be rectangle, circular or other polygons etc. and can be the pot body of different usage, for example slaughterhouse, frying pan, milk pot or frying pan etc. can select the material and the usage of pot body according to actual need, does not do the restriction here.

The pot body made of the materials, the shape and the purpose can be matched with a pot cover with a detachable structure, and the sealed space formed between the pot cover and the pot body is utilized to reduce the rapid dissipation of heat energy, accelerate the boiling of cooking materials in the pot and reduce the cooking time; and it is possible to prevent the cooking materials from splashing or the cooking materials from being contaminated during the cooking process. The pot cover comprises a cover body 1, a connecting seat 2 arranged on the cover body 1, a cover handle 3 used for holding or moving the cover body 1, and a clamping piece 4 used for connecting the cover handle 3 with the connecting seat 2.

In some embodiments, the cover 1 is a main body portion of the pot lid, closing the mouth of the pot body. The cover body 1 used in the application can be a metal cover body 1 or a toughened glass cover body 1, and the metal cover body 1 has the characteristic of falling resistance, so that the service life of the pot cover can be prolonged; the toughened glass cover body 1 has the visual characteristic, and the condition of the cooking materials can be observed in the cooking process. The cover body 1 may be made of other materials, and may be selected according to actual needs, which is not limited herein.

The connecting seat 2 is a cylindrical structure, and is mounted on the cover body 1 as a mounting base of the cover handle 3. In the embodiment of the present application, the connecting base 2 and the cover body 1 are connected by a screw or by bonding, when the screw is used for connection, a through hole needs to be formed on the cover body 1, a screw hole needs to be formed on the bottom surface of the connecting base 2, and then a screw passes through the through hole of the cover body 1 and enters the screw hole, so that the connecting base 2 is fixed on the cover body 1, and the connection between the two is more stable in this connection manner; when the bonding connection is adopted, the connecting seat 2 can be fixed on the cover body 1 through bonding agents such as glue, mounting holes do not need to be formed in the cover body 1, and the mounting of the connecting seat 2 is convenient and rapid. The two can also be in other connection modes, and can be selected according to actual needs, which is not limited herein. Preferably, the connecting seat 2 of this application passes through the screw connection with lid 1, because connecting seat 2 connects back on lid 1, protruding height is little, consequently, in the transportation, can pack again after fixing connecting seat 2 on lid 1 through the screw earlier, and the user need not use extra equipment after receiving, promotes user experience and feels.

Further, the intersecting portion of the side wall and the top wall of the connecting holder 2 is provided with a first engaging groove 21, the first engaging groove 21 includes a first portion 211 and a second portion 212 which are communicated with each other, the first portion 211 is opened at the intersecting portion of the side wall and the top wall of the connecting holder 2, the second portion 212 is opened at the top wall of the connecting holder 2, the first portion 211 and the second portion 212 are arranged along the diameter direction of the connecting holder 2, that is, the side wall of the first portion 211 is an engaging inlet, and the engaging protrusion 31 is embedded into the second portion 212 after passing through the first portion 211. Meanwhile, at least a part of the longitudinal section width of the first engaging groove 21 in the vertical direction is greater than the opening width of the first engaging groove 21 on the top surface of the connecting seat 2, optionally, the cross-sectional shape of the first engaging groove 21 may be one of a truncated pyramid shape, a plane with a straight portion and a circular arc portion, and a regular polygon, or may be the first engaging groove 21 with other cross-sectional shapes, so that it is sufficient to ensure that the width of the longitudinal section of the part of the first engaging groove 21 is greater than the opening width of the upper surface, which is not limited herein. Preferably, the first portion 211 of the first engagement groove 21 of the present application has a rectangular cross-sectional shape, and the second portion 212 has a truncated pyramid cross-sectional shape.

In some embodiments, the cover handle 3 includes a handle body and an extending portion integrally formed with the handle body, the extending portion is perpendicular to the handle body, and the engaging protrusion 31 is perpendicular to a bottom surface of the extending portion, so that when the cover handle 3 is connected to the connecting seat 2, an included angle between the cover handle 3 and the cover body 1 facilitates the taking process. The sectional shape of the engaging protrusion 31 may be one of a frustum of a pyramid, a plane having a straight portion and a circular arc portion, and a regular polygon. Preferably, the cross-sectional shape and size of the engaging projection 31 of the present application are the same as those of the second portion 212 of the first engaging recess 21, that is, the cross-sectional shape of the engaging projection 31 is also a truncated pyramid shape, and it is understood that, after the engaging projection 31 is fitted into the second portion 212 of the first engaging recess 21 in the horizontal direction, since the diameter of the lower half portion of the truncated pyramid shape is larger than that of the upper half portion in the vertical direction, the lid handle 3 does not come out from above the second portion 212, and the movement of the lid handle 3 in the vertical direction is restricted.

In some embodiments, after the movement of the lid handle 3 in the vertical direction is limited, the movement of the lid handle 3 in the horizontal direction may be limited by the engaging member 4, so as to ensure the stable connection of the lid handle 3 and the connecting seat 2.

Specifically, a second engaging groove 22 is formed in a bottom wall of the first portion 211 of the connecting socket 2, and the second engaging groove 22 extends along the axial direction of the connecting shaft. Meanwhile, the lid handle 3 is further provided with a third engaging groove 32 extending in the vertical direction, and the engaging piece 4, the second engaging groove 22 and the third engaging groove 32 have the same cross-sectional shape and size, and the engaging piece 4 can connect the second engaging groove 22 and the third engaging groove 32. It can be understood that, during the use of the engaging element 4, the engaging element 4 can be installed into the third engaging groove 32 first, and at this time, the engaging element 4 can move axially along the third engaging groove 32; when the engaging projection 31 of the lid handle 3 is fitted to the second portion 212, the engaging piece 4 is moved in the axial direction of the engaging groove 32 so that the engaging piece 4 is fitted into the second engaging groove 22, at which time the engaging projection 31 cannot be disengaged from the second portion 212 of the first engaging groove 21 in the reverse direction because the engaging piece 4 cannot be moved in the horizontal direction, and the movement of the lid handle 3 in the horizontal direction is restricted.

It should be noted that the cross-sectional shapes and sizes of the second engaging groove 22 and the third engaging groove 32 and the first engaging groove 21 may be the same or different, that is, the cross-sectional shapes of the second engaging groove 22, the third engaging groove 32 and the engaging member 4 may be frustum-shaped, a plane and a regular polygon with a straight portion and an arc portion, or other shapes, such as a cylinder, etc., and the cross-sectional shapes of the second engaging groove 22, the third engaging groove 32 and the engaging member 4 may be selected according to actual needs to ensure that the engaging member 4 does not slide out of the second engaging groove 22 and the third engaging groove 32 in the horizontal direction, which is not limited herein.

In some embodiments, since the engaging process of the engaging member 4 needs to be moved in the vertical direction and then slid into or out of the second engaging groove 22, the user needs to contact the engaging member 4 during the sliding process, and the engaging member 4 is slid by friction. Therefore, the engaging piece 4 further includes the auxiliary projection 41, and the auxiliary projection 41 is connected with the engaging piece 4. Specifically, at least a part of the engaging piece 4 is fitted into the auxiliary protrusion 41 in the radial direction of the engaging piece 4, the engaging piece 4 is provided integrally with the auxiliary protrusion 41, and the engaging piece 4 protrudes in the radial direction from the part of the auxiliary protrusion 41 for engaging with the third engaging groove 32. In the axial direction of the click 4, an end extension of a portion of the click 4 extending to the auxiliary projection 41 is a portion fitted into the second engagement groove 22. In actual use, the engaging member 4 can be inserted into the second engaging groove 22 by sliding the engaging member 4 downward via the auxiliary protrusion 41, and the engaging member 4 can be separated from the connecting base 2 by sliding the auxiliary protrusion 41 upward via the engaging member 4.

Further, the friction force of the auxiliary protrusion 41 is provided for the friction protrusion 411, and the engaging member 4 can be driven by the friction protrusion 411 to move along the vertical direction to be connected with the second engaging groove 22. Optionally, the friction protrusion 411 provided in the present application may be a protruding point distributed on the auxiliary protrusion 41, or a rough surface on the auxiliary protrusion 41, or a protruding ridge on the auxiliary protrusion 41, which may be selected according to actual needs, and is not limited herein. Preferably, protruding 411 of friction is the protruding muscle that extends along the horizontal direction on supplementary protruding 41, sets up protruding 411 of friction into many protruding muscle that extend along the horizontal direction, and many protruding muscle can increase user and supplementary protruding 41's frictional force in the use, make things convenient for fastener 4's slip process.

Furthermore, since the engaging member 4 is embedded, when the auxiliary protrusion 41 is provided, the auxiliary protrusion 41 is exposed outside the lid handle 3, which affects the appearance, and the dirt is easily stored and is not easily cleaned. Therefore, the cover handle 3 further includes a receiving groove 33, the receiving groove 33 is disposed on the sidewall of the cover handle 3, and communicates with the third engaging groove 32, and the receiving groove 33 and the auxiliary protrusion 41 have the same cross-sectional shape and size. The accommodating groove 33 communicated with the third engaging groove 32 is provided, when the clamping piece 4 is installed in the third engaging groove 32, the auxiliary protrusion 41 is accommodated in the accommodating groove 33, and the aesthetic property of the cooking utensil is improved.

It should be noted that, when the lid handle 3 is stably connected to the connecting seat 2, the engaging protrusion 31 is completely embedded in the second portion 212; at this time, when the engaging element 4 provided with the auxiliary protrusion 41 is mounted, in order to prevent the engaging element 4 from being mounted excessively, the blocking surface 213 is further provided between the first portion 211 and the second portion 212 of the first engaging recess 21 of the present application, and the blocking surface 213 is provided between the first portion 211 and the second portion 212 and abuts against the wall surface of the auxiliary protrusion 41, so that the engaging element 4 can be prevented from being mounted excessively and damaging the engaging protrusion 31.

During the actual application, the lid handle 3 is moved in the horizontal direction so that the engagement projection 31 is completely embedded in the second portion 212; at this time, the engaging member 4 is inserted into the second engaging groove 22 by sliding downward via the auxiliary protrusion 41, so that the movement of the lid handle 3 in both the horizontal direction and the vertical direction is restricted. When the disassembly process is needed, the auxiliary protrusion 41 slides the engaging member 4 out of the second engaging groove 22 in the vertical direction, and then pushes the handle 3 in the horizontal direction, and slides the engaging protrusion 31 out of the second portion 212 of the first engaging groove 21, so as to separate the handle 3 and the lid 1.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same. Although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. And the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A pot lid, characterized in that it comprises:

a lid body (1);

the connecting seat (2) is arranged on the cover body (1); a first joint groove (21) is formed in the intersection part of the side wall and the top wall of the connecting seat (2), and the longitudinal section width of at least part of the first joint groove (21) is larger than the opening width of the first joint groove (21) on the top surface of the connecting seat (2) along the vertical direction; a second joint groove (22) is arranged on the bottom wall of the first joint groove (21);

a cover handle (3), wherein an engagement protrusion (31) is arranged on the cover handle (3), and the engagement protrusion (31) can be embedded into the first engagement groove (21), so that the cover handle (3) is limited in movement in the vertical direction; the cover handle (3) is also provided with a third joint groove (32) extending along the vertical direction; and

a catch (4), when the engagement projection (31) is caught in the first engagement groove (21), a part of the catch (4) is fittable into the second engagement groove (22), and a part of the catch (4) is fittable into the third engagement groove (32), so that movement of the lid handle (3) in the horizontal direction is restricted.

2. The lid according to claim 1, characterized in that said first engagement recess (21) comprises a first portion (211) and a second portion (212) communicating;

the first part (211) is arranged at the intersection part of the side wall and the top wall of the connecting seat (2), and the second joint groove (22) is arranged at the bottom wall of the first part (211);

the second part (212) is opened on the top wall of the connecting seat (2) along the vertical direction, and the longitudinal section width of at least part of the second part (212) is larger than the opening width of the second part (212) on the top surface of the connecting seat (2).

3. The pot cover according to claim 2, characterized in that the cross-sectional shape of the second portion (212), the second engagement groove (22) or the third engagement groove (32) is one of a frustum of a pyramid, a plane with straight portions and circular arc portions, and a regular polygon.

4. The lid according to claim 3, characterized in that the cross-sectional shape of the second portion (212), the second engagement groove (22) or the third engagement groove (32) is a truncated pyramid.

5. The lid according to claim 2, characterized in that the portion of the first portion (211) close to the second portion (212) is provided with a blocking surface (213).

6. The pan lid according to claim 1, characterized in that the catch (4) further comprises an auxiliary protrusion (41), the auxiliary protrusion (41) being connected with the catch (4); at least part of the engaging piece (4) is embedded into the auxiliary protrusion (41) along the radial direction of the engaging piece (4); and along the axial direction of the clamping piece (4), the part of the clamping piece (4) extends out of the end part of the auxiliary bulge (41);

the auxiliary protrusion (41) is provided with a friction protrusion (411), and the clamping piece (4) can be driven by the friction protrusion (411) to move along the vertical direction to be connected with the second joint groove (22).

7. The pot cover according to claim 6, characterized in that the friction protrusions (411) are ribs extending in a horizontal direction on the auxiliary protrusions (41).

8. The lid as claimed in claim 6, characterized in that the lid handle (3) further comprises a receiving groove (33), the receiving groove (33) being provided in a side wall of the lid handle (3) in communication with the third engagement groove (32);

when the clamping piece (4) is installed in the third joint groove (32), the auxiliary protrusion (41) is accommodated in the accommodating groove (33).

9. The lid according to claim 1, characterized in that the connecting base (2) is connected to the lid (1) by screws or by adhesive bonding.

10. A cooking appliance comprising a pot body and a lid as claimed in any one of claims 1 to 9.

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