CN216602522U - Cooking utensil and heat preservation lid - Google Patents

Abstract

The application provides a cooking utensil and heat preservation lid, cooking utensil include interior pot, and the heat preservation shroud closes on interior pot. The heat preservation cover comprises a cover body, a mounting seat and a buckle piece, wherein the mounting seat is mounted on the cover body, and the buckle piece is mounted in the mounting seat. The clamping piece is movably arranged, a clamping position and a tripping position are defined, when the clamping piece is located at the clamping position, the heat-insulating cover is arranged on the upper side of the clamping piece to form a clamping groove, and the clamping groove can be connected with the pot edge at the top of the inner pot in a clamping mode. The installation seat is also internally provided with a first elastic piece which drives the buckling piece to move from the clamping position to the releasing position. This application cooking utensil's heat preservation cover, its buckle spare can be moved to the dropout position by the block position under the effect of first elastic component, and the buckle to the inner pot edge is relieved automatically, and it is more simple and convenient to operate.

Description

Cooking utensil and heat preservation lid

Technical Field

The application relates to a cooking utensil and heat preservation lid.

Background

The existing cooking utensil can be matched with a plurality of inner pots for use, cooking and cooking soup are respectively carried out, after one of the inner pots is used for cooking, the inner pot can be taken out and put into another inner pot for cooking, and the taken-out inner pot can be additionally covered with a heat-preservation cover for heat preservation. The heat preservation cover is equivalent to an accessory of the cooking utensil and is matched with the taken out inner pot to form an inner pot assembly. The heat preservation cover comprises a buckle structure buckled with the edge of the inner pot, and the inner pot assembly can be moved by lifting the handle. When the heat preservation cover is taken down, the buckling of the inner pot needs to be released, and the buckling of the pot edge of the inner pot can be released only by multiple operations of the conventional buckling structure, so that the operation is inconvenient.

Accordingly, there is a need for improvements in existing cooking appliances and thermal covers.

SUMMERY OF THE UTILITY MODEL

The application provides a cooking utensil and heat preservation lid, heat preservation lid closes at cooking utensil's interior pot top and can conveniently take off from interior pot.

Specifically, the method is realized through the following technical scheme: a heat preservation cover comprises a cover body, a mounting seat and a buckling piece, wherein the mounting seat is mounted on the cover body, the buckling piece is mounted in the mounting seat, the buckling piece is movably arranged and is defined with a buckling position and a tripping position, and when the buckling piece is located at the buckling position, a clamping groove is formed in the upper side of the buckling piece by the heat preservation cover; the mounting seat is internally provided with a first elastic piece, and the first elastic piece drives the buckling piece to move from a clamping position to a tripping position. The utility model provides a pot keeps warm in this application heat preservation lid is used for, and the draw-in groove that its buckle spare formed on the block position can be connected with interior pot along the buckle, and this buckle spare can be moved to the dropout position by the block position under the effect of first elastic component, and the buckle on internal pot edge is relieved automatically, and is operated more portably.

According to one embodiment of the application, the heat preservation cover is provided with a movable limiting structure, and the limiting structure limits the fastener to a clamping position. The limiting structure can keep the fastener at the clamping position and can integrally move the inner pot component.

According to an embodiment of the present application, the fastening member has a protruding pillar, the protruding pillar has a positioning pillar extending inward, and the first elastic member is sleeved outside the positioning pillar and abuts against the protruding pillar. The first elastic piece is reliably installed.

According to an embodiment of this application, the heat preservation lid is equipped with movable mounting and is in the gag lever post in the mount pad, buckle spare is equipped with the stopper, when buckle spare is located the block position, the gag lever post stops the stopper radially outwards removes. The buckling piece is limited at the clamping position by the matching of the limiting rod and the limiting block.

According to an embodiment of the application, the limiting rod is provided with a through groove, when the limiting rod is pushed to move to the through groove and the limiting block is aligned, the first elastic piece drives the buckling piece to move outwards in the radial direction, and the limiting block penetrates into the through groove. The limit of the fastener is cancelled by the matching of the through groove of the limiting rod and the limiting block.

According to an embodiment of this application, the lid that keeps warm is equipped with and installs in the mount pad and drive the second elastic component that the gag lever post resets, the gag lever post still is equipped with and exposes the press end in the mount pad outside. The second elastic piece can enable the limiting rod to reset automatically, and operation is convenient.

According to an embodiment of this application, the heat preservation lid includes the lid, around the peripheral sealing washer that sets up of lid, fix the handle on lid top side, two mount pad and two seat covers, the handle connect two the mount pad and with two the integrative formation of moulding plastics of mount pad, the seat cover covers on the mount pad. The handle and the two mounting seats are integrally formed, so that the cost can be reduced, and the assembly efficiency is improved.

According to one embodiment of the application, the heat-insulating cover comprises two installation bases, a handle connecting the two installation bases and two rotating rods respectively pivoted to the two installation bases, wherein the buckling piece is provided with a convex block, and the outer end of each rotating rod is provided with a stopping part for stopping the convex block from moving outwards; the handle is provided with a button, and the inner ends of the two rotating rods are both positioned under the button. The button is pressed to the single time can realize that two buckle spare are tripped simultaneously, and the operation is more convenient.

According to an embodiment of the application, the heat preservation cover further comprises a third elastic piece, the protruding block is provided with an inclined surface, the buckling piece moves to the clamping position from the tripping position, the stopping portion slides along the inclined surface of the protruding block to pass through the protruding block, and the third elastic piece drives the stopping portion to reset and clamp the stopping portion outside the protruding block. The third elastic part can drive the rotating rod to automatically reset, and the operation is simplified. This application can also be realized through following technical scheme, a cooking utensil, and it includes interior pot and aforementioned heat preservation lid, heat preservation lid closes the top of interior pot, interior pot top is equipped with the pot edge of outside extension, when buckle spare is in the block position, the pot edge is located in the draw-in groove. This application cooking utensil, the buckle spare of its heat preservation lid can be moved to the dropout position by the block position under the effect of first elastic component, and the buckle to interior pot edge is relieved automatically, and it is more simple and convenient to operate.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 is a cross-sectional view of an inner pot assembly of a cooking appliance according to an embodiment of the present application.

Fig. 2 is an exploded perspective view of the inner pot assembly of fig. 1.

Fig. 3 is a three-dimensional combination view of the heat preservation cover of the inner pot component.

FIG. 4 is a top view of the insulating cover of FIG. 3, with the latch in the latched position.

Fig. 5 is a view similar to fig. 4, with the catch in the tripped position.

FIG. 6 is an enlarged view of the circle in FIG. 1, wherein the latch is in the latched position.

Fig. 7 is a view similar to fig. 5, with the catch in the tripped position.

Fig. 8 is a perspective view of a thermal cover of an inner pot assembly of a cooking appliance according to a second embodiment of the present application.

Fig. 9 is an exploded perspective view of the thermal cover of fig. 8.

Description of reference numerals:

the inner pot 1, the pot rim 11, the heat preservation cover 2, 2', the cover body 21, the sealing ring 22, the screw 23, the fastening structure 3, the mounting seat 31, the mounting cavity 311, the handle 32, the cavity 321, the seat cover 33, the fastening piece 34, the bottom wall 341, the blocking wall 342, the operating part 343, the convex column 344, the positioning column 345, the limiting block 346, the convex block 347, the first elastic piece 35, the limiting rod 36, the through groove 361, the pressing end 362, the second elastic piece 37, the rotating rod 38, the blocking part 381, the inner side end 382, the button assembly 39, the button 391, the fixing plate 392 and the third elastic piece 393.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of devices, systems, apparatuses, and methods consistent with aspects of the present application.

The cooking appliance of the present application includes a pot body (not shown), a pot lid (not shown), and an inner pot 1. Referring to fig. 1, the cooking utensil further comprises a heat preservation cover 2, the heat preservation cover 2 covers the top of the inner pot 1 taken out of the cooker body, the heat preservation cover 2 and the inner pot 1 form an independent inner pot assembly, the inner pot 1 can be preserved heat, the inner pot 1 is convenient to move, and other inner pots can be placed into the emptied cooker body to continue cooking.

Referring to fig. 2 to 5, the thermal insulation cover 2 includes a cover body 21, a sealing ring 22 and a fastening structure 3, wherein the cover body 21 is a circular glass plate, and the fastening structure 3 is substantially in a long strip shape and is fixed on the top side of the cover body 21 by a screw 23; the sealing ring 22 is fixed on the bottom side of the cover body 21 through the fastening structure 3 and is used for sealing and connecting the cover body 21 and the pot opening of the inner pot 1.

The fastening structure 3 includes two mounting seats 31, a handle 32 connecting the two mounting seats 31, and two seat covers 33, wherein the two mounting seats 31 are respectively fixed at two opposite ends of the sealing ring 22 and located at two opposite side edges of the cover body 21. The handle 32 spans over the cover 21, and a gap (not numbered) is formed between the handle 32 and the cover 21, so that the user can hold the handle 32 conveniently. Be equipped with installation cavity 311 in the mount pad 31, seat lid 33 lid closes and covers installation cavity 311 on mount pad 31 to shelter from the inner structure of installation cavity 311 and install other components in installation cavity 311, wherein the partial drawing of heat preservation lid 2 has removed seat lid 33 for the convenience of observing the inner structure of mount pad 31. In the present embodiment, the mounting seat 31 and the handle 32 are integrally formed by injection molding, which simplifies the assembly process and reduces the cost. As a simple alternative, the mounting seat 31 and the handle 32 may be manufactured separately and then attached to each other or to the cover 21 separately.

The fastening structure 3 is further provided with a fastening member 34 and a first elastic member 35 which are installed in the installation cavity 311 corresponding to each installation seat 31. The locking member 34 is movably disposed, defines a locking position and a releasing position, and can move between the locking position and the releasing position, and when the locking member 34 is located at the locking position, the locking member 34 and the cover 21 together form the locking slot 30. The first elastic member 35 is used for driving the snap-in position of the snap-in member 34 to move to the release position. As shown in fig. 6, the top of the inner pan 1 is provided with a pan rim 11 extending outward, and in the engaging position, the fastening member 34 is located right below the pan rim 11 of the inner pan 1, so that the heat preservation cover 2 forms the engaging groove 30 on the upper side of the fastening member 34, in this embodiment, the engaging groove 30 is formed between the fastening member 34 and the mounting seat 31, and as a simple change, the engaging groove 30 may be formed between the fastening member 34 and the cover body 21, or the fastening member 34, the cover body 21 and the mounting seat 31 together form the engaging groove 30. The pot edge 11 is located in the clamping groove 30, that is, the buckling piece 34 is buckled and matched with the pot edge 11 up and down. The heat preservation cover 2 is combined with the inner pot 1, so that a user can conveniently move the inner pot assembly integrally through the lifting handle 32. Referring to fig. 7, in the release position, the locking member 34 is offset from the rim 11 of the inner pot 1, the locking groove 30 between the locking member 34 and the mounting seat 31 is removed, and the locking engagement between the locking member 34 and the rim 11 is released. At this time, the heat preservation cover 2 can be removed from the top of the inner pot 1, and a user can take food in the inner pot 1. In the present embodiment, the locking member 34 is in sliding movement, and it is understood that the locking member 34 may be locked with or unlocked from the pot rim 11 in other manners such as rotation.

Referring to fig. 3, 4 and 5, the first elastic element 35 is installed between a sidewall (not numbered) of the mounting cavity 311 and the locking element 34, and the first elastic element 35 pushes the locking element 34 outwards to make the locking element 34 have a tendency of moving outwards to separate from the pan rim 11. As shown in fig. 2, the locking structure 3 further includes a movable position-limiting structure, which can keep the locking member 34 at the locking position and can integrally move the inner pot assembly. When the movement limiting structure cancels the limiting of the buckling piece 34, the first elastic piece 35 can drive the buckling piece 34 to move outwards to the tripping position, and the buckling connection between the buckling piece 34 and the pan rim 11 is automatically released. That is to say, the user only needs to cancel the limit of the limit structure to the snap fastener 34, the snap fastener 34 can move from the snap-fit position to the release position under the action of the first elastic element 35, and once the limit of the limit structure to the snap fastener 34 is cancelled, the snap fastener 34 can automatically release the snap-fit to the pan edge 11 of the inner pan 1, thereby completing the release action, and the operation is simple.

In the present embodiment, the locking piece 34 is movable inward and outward in the radial direction of the inner pot 1, and the locking portion 340 is provided in the locking piece 34. When the locking member 34 is located at the locking position (see fig. 4 and 6), the locking portion 340 of the locking member 34 is locked under the pan rim 11 and is connected with the pan rim 11 in an up-and-down locking manner. The first elastic element 35 is a spring, and at this time, the first elastic element 35 is in a compressed state and pushes the fastening element 34 outwards along the radial direction of the inner pot 1. Once the user cancels the limit of the limit structure on the fastening member 34, the fastening member 34 is driven to move outward from the fastening position to the releasing position (see fig. 5 and 7), and the fastening portion 340 of the fastening member 34 is separated from the pot rim 11.

The fastener 34 is a plastic injection molded part, and has a bottom wall 341, a blocking wall 342 near the inner end of the bottom wall 341, and an operating portion 343 located at the outer end of the bottom wall 341. The inner end of the bottom wall 341 forms the locking portion 340, and the blocking wall 342 cooperates with a sidewall (not shown) of the mounting cavity 311 to form a blocking effect, so as to prevent the locking element 34 from being excessively inserted inward or excessively moved outward and falling off. When the fastener 34 is located at the engaging position, the operating portion 343 is inserted into the mounting seat 31; when the latch 34 is located at the release position, the operating portion 343 extends out of the mounting seat 31, which is convenient for the user to operate. The bottom wall 341 further has a protruding pillar 344 protruding upward, the protruding pillar 344 has a positioning pillar 345 extending inward, the first elastic element 35 is disposed outside the positioning pillar 345 and abuts against the protruding pillar 344 inward, so as to drive the locking element 34 to move radially outward.

The heat-insulating cover 2 further includes a limiting rod 36 and a second elastic element 37 installed in the installation cavity 311, the limiting rod 36 is the limiting structure in the present embodiment, and is used for limiting the fastener 34, and the second elastic element 37 is used for resetting the limiting rod 36. The buckling piece 34 is arranged along the radial direction of the inner pot 1 approximately, and the limiting rod 36 is arranged along the tangential direction of the inner pot 1 approximately and is crossed with the buckling piece 34. The locking member 34 has a stopper 346 protruding upward, when the locking member 34 is located at the locking position, the stopper 346 radially and outwardly abuts against the limiting rod 36, and due to the blocking of the limiting rod 36, the locking member 34 cannot slide outwardly and is limited at the locking position. The latch 34 is retained in the latched position by the engagement of the stop lever 36 with the stop 346.

The stop lever 36 has a radially extending through-slot 361, the through-slot 361 being sized to allow entry of the stop 346. When the locking member 34 is located at the locking position, the through groove 361 and the limiting block 346 are staggered, when the limiting rod 36 is pushed to move, the through groove 361 moves towards the limiting block 346, when the through groove 361 and the limiting block 346 are aligned in the radial direction (see fig. 3), the limiting of the locking member 34 by the limiting rod 36 is cancelled, then the locking member 34 is driven by the elastic force of the first elastic member 35 to move outwards to the releasing position, the limiting block 346 penetrates into the through groove 361, and the heat preservation cover 2 can be taken down from the inner pot 1 at the moment. The use of the channel 361 of the stop bar 36 in cooperation with the stop 346 may eliminate the stop of the catch 34.

In the present embodiment, a second elastic member 37 for driving the limiting rod 36 to return is further disposed in the mounting seat 31, and the second elastic member 37 is disposed between the limiting rod 36 and a side wall (not numbered) of the mounting cavity 311. The limiting rod 36 is provided with a pressing end 362 (see fig. 4) exposed outside the mounting seat 31, a user presses the pressing end 362 to drive the limiting rod 36 to move, the limiting block 346 of the buckle element 34 is released from the limiting rod 36, the first elastic element 35 pushes the buckle element 34 to move to the tripping position, the limiting block 346 moves outwards along with the buckle element 34 and is clamped in the through groove 361, the limiting rod 36 is limited at the position, and the limiting rod 36 compresses the second elastic element 37 in the process. Then, when the locking member 34 needs to be moved to the locking position again, the operating portion 343 is pushed inward, and after the limiting block 346 is separated from the through groove 361, the second elastic member 37 can drive the limiting rod 36 to automatically reset. The second elastic element 37 can enable the limiting rod 36 to automatically reset, and operation is convenient.

In the process of assembling the heat preservation cover 2 to the inner pot 1, the internal state of the buckle structure 3 changes from fig. 5 to fig. 4. The fastener 34 can move to a tripping position (see fig. 5) after being assembled in the mounting cavity 311; the heat preservation cover 2 is covered on the inner pot 1, the operation part 343 of the fastener 34 is pushed inwards, so that the fastener 34 slides inwards to be clamped into the position right below the pot edge 11 and moves from the tripping position to the clamping position (refer to fig. 4). In the process, the first elastic element 35 is compressed, the limiting block 346 is separated from the through groove 361, so that the second elastic element 37 drives the limiting rod 36 to reset, and the pressing end 362 of the limiting rod 36 is exposed out of the mounting cavity 311, thereby facilitating subsequent operation; meanwhile, the limiting rod 36 cooperates with the limiting block 346 to prevent the locking member 34 from sliding outwards, so that the locking member 34 is located at the locking position and is locked with the pot rim 11 of the inner pot 1.

In the process that the heat preservation cover 2 is taken down from the inner pot 1, the internal state of the buckle structure 3 changes from fig. 4 to fig. 5, the pressing end 362 of the pressing limiting rod 36 drives the limiting rod 36 to move, after the limiting block 346 is aligned with the through groove 361, the first elastic piece 35 drives the buckle piece 34 to move outwards in the radial direction, so that the buckle piece 34 is separated from the pot edge 11, the buckle fit of the buckle piece 34 on the pot edge 11 is released, and the operating part 343 is exposed out of the mounting seat 31, so that the next operation is facilitated. The stopper 346 is caught in the through groove 361 to maintain the stopper lever 36 in the state of fig. 5, during which the second elastic member 37 is compressed. Finally, the heat preservation cover 2 can be taken down by lifting the handle 32.

It can be understood that the two mounting seats 31 in this embodiment are independent of each other, and need to drive the corresponding fasteners 34 and the limiting rods 36, respectively, to achieve the engagement or disengagement of the inner pot 1.

Fig. 8 and 9 show a second embodiment of the inner pot assembly of the cooking appliance of the present application, wherein the inner pot 1 has the same structure, and therefore, only the structure of the heat-insulating cover 2 is shown.

The thermal cover 2' of the second embodiment is substantially identical to the thermal cover 2 of the first embodiment, and the main difference is the difference of the position-limiting structure, in the second embodiment, the position-limiting rod 36 and the second elastic member 37 are eliminated, the rotating rod 38 limits the fastener 34, and the handle 32 is provided with a cavity 321 for accommodating the rotating rod 38 and a button assembly 39, wherein the button assembly 39 comprises a button 391 protruding upwards from the handle 32, a fixing plate 392 fixed on the handle 32, and a third elastic member 393 arranged between the button 391 and the fixing plate 392. The structure of the locking member 34 is basically unchanged, and the main difference is that the limiting block 346 is changed to be a protrusion 347 with an inclined plane, and other structures are not described again.

The two mounting seats 31 are respectively pivoted with a rotating rod 38, the outer end of the rotating rod 38 is provided with a stopping portion 381 extending downwards, the stopping portion 381 inwards abuts against the convex block 347 of the buckling piece 34, and the buckling piece 34 is limited to prevent the buckling piece 34 from sliding outwards. The rotating rod 38 is partially located within the mounting seat 31 and partially extends along the cavity 321 of the handle 32, with the inboard end 382 of the rotating rod 38 being located directly below the button 391.

In fig. 8, the latch 34 is located at the engaging position, and the process of moving the latch 34 from the engaging position to the releasing position is as follows: pressing the button 391 drives the rotating rod 38 to rotate, so that the stopping portion 381 at the outer end tilts up, the stopping portion 34 is cancelled, then the first elastic member 35 can drive the buckling member 34 to move radially outwards to the tripping position, and the stopping portion 381 is supported on the inclined surface of the protrusion 347, so that the button 391 cannot be reset. The process of moving the latch 34 from the release position to the latch position is: when the operating part 343 of the locking member 34 is pushed inward, and the stopping part 381 slides along the inclined surface of the protrusion 347 and then goes over the protrusion 347, the third elastic member 393 drives the inner end 382 of the rotating rod 38 to reset upward and drives the stopping part 381 to reset downward and to be clamped outside the protrusion 347, so that the locking member 34 is prevented from moving outward, and simultaneously the third elastic member 393 drives the button 391 to reset. The third elastic member 393 can drive the rotating lever 38 to automatically reset, simplifying the operation.

In this embodiment, the inner ends 382 of the two rotating levers 38 are located right below the button 391, so that the button 391 can drive the two rotating levers 38 to rotate at the same time, that is, the button 391 can be pressed once to release the two fasteners 34 at the same time, which is more convenient and fast to operate.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Terms such as "upper," "lower," "left," "right," "front," "back," "thickness," "radial," "axial," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one feature's relationship to another feature as illustrated in the figures, and are not limited to one position or one spatial orientation. It will be understood that the spatially relative positional terms may be intended to encompass different orientations than those shown in the figures, depending on the location of the product being produced, and should not be construed as limiting. In addition, the descriptor "horizontal" as used herein is not entirely equivalent to allowing an angular tilt along a direction perpendicular to the direction of gravity.

The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items.

It should be noted that when an element is referred to as being "secured …" to another element, it can be directly on the surface of the other element or can be spaced apart from the surface of the other element. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected or detachably connected or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise.

In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It should be understood that the terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. "plurality" or "multiple layers" and the like mean two or more.

The cooking utensil of the present application is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a heat preservation lid, its includes lid (21), mount pad (31) and buckle spare (34), mount pad (31) are installed on lid (21), buckle spare (34) are installed in mount pad (31), its characterized in that: the clamping piece (34) is movably arranged and is defined with a clamping position and a tripping position, and when the clamping piece (34) is located at the clamping position, the heat-insulating cover forms a clamping groove (30) on the upper side of the clamping piece (34); the mounting seat (31) is further internally provided with a first elastic piece (35), and the first elastic piece (35) drives the buckle piece (34) to move from a clamping position to a releasing position.

2. The thermal cover of claim 1, wherein: the heat preservation cover is provided with a movable limiting structure, and the limiting structure limits the buckle piece (34) at a clamping position.

3. The heat-insulating cover of claim 1, characterized in that: the buckle piece (34) is provided with a convex column (344), the convex column (344) is provided with a positioning column (345) extending inwards, and the first elastic piece (35) is sleeved outside the positioning column (345) and abuts against the convex column (344).

4. The thermal cover of claim 1, wherein: the heat preservation cover is provided with a limiting rod (36) movably mounted in the mounting seat (31), the buckle piece (34) is provided with a limiting block (346), and when the buckle piece (34) is located at the clamping position, the limiting rod (36) blocks the limiting block (346) to move outwards in the radial direction.

5. The thermal cover of claim 4, wherein: the limiting rod (36) is provided with a through groove (361), when the limiting rod (36) is pushed to move to the through groove (361) to be aligned with the limiting block (346), the first elastic piece (35) drives the buckling piece (34) to move outwards in the radial direction, and the limiting block (346) penetrates into the through groove (361).

6. The heat-insulating cover of claim 4, wherein: the heat preservation lid is equipped with and installs in mount pad (31) and drive second elastic component (37) that gag lever post (36) reset, gag lever post (36) still are equipped with and expose press end (362) in mount pad (31) outside.

7. The thermal cover of claim 1, wherein: the heat preservation cover comprises a cover body (21), a sealing ring (22) arranged around the periphery of the cover body (21), a handle (32) fixed on the top side of the cover body (21), two installation bases (31) and two seat covers (33), wherein the handle (32) is connected with the two installation bases (31) and integrally formed with the two installation bases (31) in an injection molding mode, and the seat covers (33) cover the installation bases (31).

8. The thermal cover of claim 1, wherein: the heat-insulation cover comprises two installation seats (31), a handle (32) connected with the two installation seats (31) and two rotating rods (38) respectively pivoted on the two installation seats (31), the buckling piece (34) is provided with a convex block (347), and the outer end of each rotating rod (38) is provided with a stopping part (381) for stopping the convex block (347) from moving outwards; the handle (32) is provided with a button (391), and the inner ends (382) of the two rotating rods (38) are both positioned under the button (391).

9. The thermal cover of claim 8, wherein: the heat preservation cover further comprises a third elastic piece (393), the protruding block (347) is provided with an inclined surface, the blocking part (381) slides along the inclined surface of the protruding block (347) to pass through the protruding block (347) in the process that the blocking part (34) moves from the tripping position to the clamping position, and the third elastic piece (393) drives the blocking part (381) to be reset and clamped outside the protruding block (347).

10. A cooking appliance, characterized by: the inner pot comprises an inner pot (1) and a heat-insulating cover according to any one of claims 1 to 9, wherein the heat-insulating cover covers the top of the inner pot (1), a pot edge (11) extending outwards is arranged at the top of the inner pot (1), and when the clamping piece (34) is located at the clamping position, the pot edge (11) is located in the clamping groove (30).

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