CN216494897U - Pot cover and cooking utensil - Google Patents

Abstract

The application relates to the technical field of household appliances for kitchens, in particular to a pot cover and a cooking appliance. An aspect of the embodiment of the present application provides a pot cover, including a pot cover body, an exhaust valve, a guiding device, an actuating mechanism and a switching device. The guiding device is connected with the cooker cover body; the actuator is formed with a locking surface and is mounted on a guide that is capable of guiding the actuator to move in a predetermined direction. The switching device is provided with a supporting part, when the supporting part is abutted to the lower part of the locking surface, the actuating mechanism is kept at a first target position to keep the exhaust valve in a state of opening the exhaust hole, and when the actuating mechanism is kept at a second target position to keep the exhaust valve in a state of closing the exhaust hole, the supporting part is separated from the locking surface. The user need not to last the application of force to switching device, and cooking utensil can continuously carry out the pressure release that exhausts, has promoted cooking utensil's use convenience widely, is favorable to improving the user and experiences good sense to cooking utensil's use.

Description

Pot cover and cooking utensil

Technical Field

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

Background

As a household appliance, a pressure cooker is more and more popular with consumers due to the characteristics of convenient use and fast cooking. The exhaust mode of current pressure cooker is mostly through the manual exhaust valve that presses start to exhaust, and then the exhaust valve resets sealedly when the hand leaves, and this kind of mode needs the people to be in the state of pressing all the time at whole exhaust stage, and very troublesome and also probably scald the operator, and the solution on the market is usually to increase electric mechanism and realize automatic exhaust scheme, but realizes the cost height.

SUMMERY OF THE UTILITY MODEL

In view of this, an embodiment of the present invention provides a pot cover and a cooking appliance, which are used for facilitating a user to manually operate an exhaust operation of the cooking appliance and achieving a continuous exhaust operation function.

In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:

an aspect of an embodiment of the present application provides a pot cover, including:

the cooker cover comprises a cooker cover body and a cover body, wherein the cooker cover body is used for covering a cooker body of a cooking appliance and is provided with an exhaust hole;

the exhaust valve is movably arranged on the cooker cover body to open or close the exhaust hole;

the guide device is connected with the pot cover body;

the actuating mechanism is provided with a locking surface and is arranged on the guide device, and the guide device can guide the actuating mechanism to move along a preset direction; and

the switching device is used for driving the actuating mechanism to move along the preset direction so as to drive the exhaust valve to open or close the exhaust hole, the switching device is provided with a supporting part, when the supporting part abuts against the locking surface, the actuating mechanism is kept at a first target position so as to keep the exhaust valve in a state of opening the exhaust hole, and when the actuating mechanism is kept at a second target position so as to keep the exhaust valve in a state of closing the exhaust hole, the supporting part is separated from the locking surface.

In some embodiments, the guiding device is a guiding post, the actuating mechanism is sleeved on the guiding post, and the predetermined direction is an axial direction of the guiding post.

In some embodiments, the switching device drives the actuator to translate in the preset direction.

In some embodiments, the actuator is formed with a lock chamber, and the support portion is located in the lock chamber when the actuator is held at the second target position to maintain the exhaust valve in a state of closing the exhaust hole, the support portion having a height higher than that of the lock surface.

In some embodiments, a wall surface of the locking cavity facing one side of the locking surface is a first transition surface, and a lower end of the first transition surface is inclined toward the locking surface; the switching device is movable on the first transition surface to move the support from the latch cavity to below the latch surface.

In some embodiments, the alignment direction of the guide means and the exhaust valve is a reference direction, and the locking cavity and the locking surface are aligned along the reference direction.

In some embodiments, the lock cavity and the lock surface are located between the guide and the exhaust valve along the reference direction.

In some embodiments, the locking surface is located on a side of the locking cavity facing the guide.

In some embodiments, the actuator is formed with a check portion at an end of the locking surface facing the locking cavity to block the support portion from moving toward the locking cavity in an alignment direction of the guide and the exhaust valve.

In some embodiments, the pot cover further comprises a first resetting piece, one end of the first resetting piece abuts against the pot cover body, the other end of the first resetting piece abuts against one side of the actuating mechanism, which is away from the locking surface, and the first resetting piece can drive the actuating mechanism to move downwards; and the projection area of the supporting part is at least partially positioned in an area surrounded by an outer projection contour line of the first resetting part along the projection in the vertical direction.

In some embodiments, the pot cover body comprises an inner cover and a face cover covering the upper end of the inner cover; the inner cover and the face cover are arranged in a surrounding mode to form an accommodating cavity, the switching device is partially exposed out of the upper surface of the face cover, the actuating mechanism is partially located below the exhaust valve to drive the exhaust valve to move, and the switching device and the actuating mechanism are partially located in the accommodating cavity.

Another aspect of the embodiments of the present application provides a cooking appliance, including:

a pan body; and

the pot cover according to any one of claims 1 to 11, wherein the pot cover body is covered on the pot body to enclose the cooking cavity, and the switching device is located outside the cooking cavity and partially exposed out of the pot cover body.

In some embodiments, the switching device comprises a push button slidably disposed on the lid body or the pot body.

In some embodiments, the switching device has a return column, the lid further includes a return push plate movably mounted on the lid body, a toggle portion is formed on the return push plate, when the lid body rotates relative to the lid body, the toggle portion can drive the return column to move, and the support portion is driven by the return column to be separated from the locking surface so that the exhaust valve closes the exhaust hole.

In some embodiments, the pot cover further comprises a second reset piece, one end of the second reset piece abuts against the pot cover body, the other end of the second reset piece abuts against the reset push plate, and the second reset piece can drive the shifting portion to be separated from the return column.

In some embodiments, the reset push plate is formed with a convex column, the reset push plate can move along the axial direction of the convex column to enable the shifting portion to drive the reset column to move along the axial direction of the convex column, the axial direction of the convex column is arranged along the arrangement direction of the exhaust valve and the guide device, the pot body is formed with a groove corresponding to the convex column, the convex column can partially move into the groove to enable the shifting portion to be separated from the reset column, and the convex column can move out of the groove to enable the shifting portion to drive the reset column to move along the axial direction of the convex column.

An aspect of the embodiment of the present application provides a pot cover, including a pot cover body, an exhaust valve, a guiding device, an actuating mechanism and a switching device. After the switching device drives the actuating mechanism to move to the first target position along the preset direction guided by the guide device, the actuating mechanism can be abutted to the lower portion of the locking surface through the supporting portion, the actuating mechanism can be kept at the first target position to enable the exhaust valve to be kept in the state of opening the exhaust hole, the user does not need to continuously apply force to the switching device, the cooking appliance can continuously exhaust and release air, the use convenience of the cooking appliance is greatly improved, and the improvement of the use experience of the user on the cooking appliance is facilitated.

Drawings

Fig. 1 is an exploded view of a lid according to an embodiment of the present application;

figure 2 is a top view of the lid structure of an embodiment of the present application illustrating the location of a cut line on the lid, wherein the structure does not represent a specific state of the exhaust valve and the exhaust hole;

FIG. 3 is a cross-sectional view of the structure shown in FIG. 2 at A-A, schematically illustrating the state in which the exhaust valve closes the exhaust vent;

FIG. 4 is a cross-sectional view of the structure shown in FIG. 2 at A-A, schematically illustrating the state in which the discharge valve opens the discharge orifice;

FIG. 5 is an enlarged view at B of the structure shown in FIG. 3;

FIG. 6 is an enlarged view at C of the structure shown in FIG. 4;

FIG. 7 is a partial cross-sectional view of the structure shown in FIG. 2, wherein the reset push plate is schematically shown in mating relationship with the switching device;

FIG. 8 is an enlarged view of the structure shown in FIG. 7 at D;

FIG. 9 is a schematic structural view of a switching device of the structure shown in FIG. 1;

fig. 10 is a schematic structural view of the reset push plate and the second reset piece in the structure shown in fig. 1.

Description of reference numerals:

a pot cover body 1; an exhaust valve 2; a guide device 3; an actuator 4; a switching device 5; a first restoring member 6; a reset push plate 7; a second restoring member 8; an exhaust valve spool 9; an exhaust hole 1 a; a limit groove 1 b; a housing chamber 1 c; an inner lid 11; a face cover 12; a lock chamber 4 a; a first transition surface 4 a'; a locking surface 41; the check portion 42; a pushing end 43; a support portion 51; a return post 52; a push button 53; a second transition surface 54; a toggle portion 71; posts 72.

Detailed Description

It should be noted that the various embodiments/implementations provided in this application can be combined with each other without contradiction. The detailed description in the specific embodiments should be understood as an illustration of the spirit of the application and not as an undue limitation of the application.

In the description of the present application, the terms "upper" and "lower" are used in an orientation or positional relationship based on the normal operation of the lid of fig. 3, it being understood that these terms are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application. The term "first/second" merely distinguishes between different objects and does not denote the same or a relationship between the two.

Referring to fig. 1 to 6, in one aspect, the present invention provides a pot cover, which includes a pot cover body 1, an exhaust valve 2, a guiding device 3, an actuating mechanism 4, and a switching device 5. The cooker cover body 1 is used for covering a cooker body of a cooking appliance, and the cooker cover body 1 is provided with an exhaust hole 1 a; the exhaust valve 2 is movably arranged on the cooker cover body 1 to open or close the exhaust hole 1 a; the guiding device 3 is connected with the cooker cover body 1; the actuator 4 is formed with a locking surface 41, the actuator 4 is mounted on the guide 3, and the guide 3 is capable of guiding the actuator 4 to move in a predetermined direction. The switching device 5 is used for driving the actuator 4 to move along a preset direction to drive the exhaust valve 2 to open or close the exhaust hole 1a, the switching device 5 is provided with a supporting part 51, when the supporting part 51 is abutted to the locking surface 41, the actuator 4 is kept at a first target position to keep the exhaust valve 2 in a state of opening the exhaust hole 1a, and when the actuator 4 is kept at a second target position to keep the exhaust valve 2 in a state of closing the exhaust hole 1a, the supporting part 51 is separated from the locking surface 41. That is, when the actuator 4 is held at the first target position, the exhaust hole 1a is in an open state; when the actuator 4 is held at the second target position, the exhaust hole 1a is in a closed state. After the switching device 5 drives the actuating mechanism 4 to move to the first target position along the preset direction guided by the guiding device 3, the supporting part 51 can abut against the lower part of the locking surface 41, the actuating mechanism 4 can be kept at the first target position to keep the exhaust valve 2 in the state of opening the exhaust hole 1a, the user does not need to continuously apply force to the switching device 5, the cooking appliance can continuously perform exhaust and pressure relief, the use convenience of the cooking appliance is greatly improved, and the use experience of the user on the cooking appliance is favorably improved.

The contact manner of the support portion 51 and the locking surface 41 is not limited, and the support portion 51 may be a support surface and may contact with the locking surface 41 through surface contact, and the support portion 51 may also be a support wire and may contact with the locking surface 41 through wire contact.

For example, in an embodiment, referring to fig. 1, fig. 2 and fig. 9, the upper end of the switching device 5 has a detachable push button 53, the push button 53 is slidably disposed on the upper surface of the lid body 1 away from the exhaust hole 1a, and a user only needs to control the push button 53 on the surface of the lid body 1 to open or close the exhaust hole 1 a. So set up, the operation is more humanized, and the user also can keep away from cooking utensil's exhaust hole 1a, has reduced the risk of being scalded by the high temperature steam that discharges continuously widely.

The structure of the guiding device 3 is not limited, and can adopt sliding groove sliding rail guiding, hole shaft matching guiding and the like.

The connection mode of the guiding device 3 and the pot cover body 1 is not limited, and the guiding device can be connected to the pot cover body 1 through screw thread connection and adhesive joint, or can be connected to the pot cover body 1 in an integrated forming mode. For example, in an embodiment, referring to fig. 3 to 6, the guiding device 3 is a guiding post, the actuating mechanism 4 is sleeved on the guiding post, and the predetermined direction is an axial direction of the guiding post. In this way, the actuator 4 is fitted to the guide post and can move in the axial direction of the guide post under the guidance of the guide post.

In one embodiment, the axial direction of the guide post may be arranged in the up-down direction.

In one embodiment, the guide post may be a circular post. Thus, the actuator 4 is convenient to assemble.

In one embodiment, the guiding pillars may be square pillars. The square column can restrain the actuating mechanism 4 from rotating along the circumferential direction of the square column, and the actuating mechanism 4 can be prevented from swinging along the circumferential direction of the square column when moving along the axial direction.

It is to be understood that the guide post is not limited to a circular post and a square post, and the cross-sectional shape of the guide post may be other than circular and square.

In one embodiment, the guiding device 3 comprises a guide rail connected with the pot lid body 1 and a sliding block movably mounted on the guide rail, and the actuating mechanism 4 is connected with the sliding block.

The specific structure of the guide device 3 is not limited, and any structure may be used as long as it can guide the actuator 4 to move in the predetermined direction.

In one embodiment, the switching device 5 drives the actuator 4 to translate in a predetermined direction. That is, the actuator is moved in a manner parallel to the guide 3 without relative rotation in the axial direction of the guide 3. In an exemplary embodiment, referring to fig. 5 and 6, the actuator 4 is formed with a pushing portion located at the lower end of the exhaust valve 2, the pot lid body 1 is formed with a limiting groove 1b, the pushing portion penetrates through the limiting groove 1b, and after the actuator 4 moves to the first target position, the pushing portion abuts against the lower end surface of the exhaust valve 2 to push up the exhaust valve 2. The limiting groove 1b can restrict the actuating mechanism 4 from axially rotating when moving in the axial direction.

In one embodiment, referring to fig. 5, the actuator 4 is formed with a locking cavity 4a, and when the actuator 4 is maintained at the second target position to maintain the exhaust valve 2 in the state of closing the exhaust hole 1a, the supporting portion 51 is located in the locking cavity 4a, and the height of the supporting portion 51 is higher than that of the locking surface 41. Therefore, under the second target position without opening the exhaust hole 1a, the matching degree of the switching device 5 and the actuating mechanism 4 is high when the switching device and the actuating mechanism slide relatively, the slipping is not easy to occur, and the structure of the pot cover is more compact.

In one embodiment, referring to fig. 5 and 6, a wall surface of the lock cavity 4a facing a side of the lock surface 41 is a first transition surface 4a ', and a lower end of the first transition surface 4 a' is inclined toward the lock surface 41; the switching means 5 is movable on the first transition surface 4 a' to move the support 51 from the locking chamber 4a to below the locking surface 41. The provision of a first transition surface 4a 'inclined towards the locking surface 41 makes the relative sliding of the switching means 5 and the actuator smoother, the movement of the switching means 5 on the inclined first transition surface 4 a' enabling the actuator 4 to be gradually raised and to bring the exhaust valve 2 to open the exhaust aperture 1 a.

In an exemplary embodiment, referring to fig. 6, the switching device 5 is formed with a second transition surface 54 in a direction toward the first transition surface 4a ', the second transition surface 54 is inclined toward the support portion 51, and the first transition surface 4 a' and the second transition surface 54 cooperate to enable the switching device 5 and the actuator 4 to have a higher degree of cooperation during relative sliding and to slide more smoothly relative to each other.

In one embodiment, the first transition surface 4 a' may be formed only on the actuator 4, or the second transition surface 54 may be formed only on the switching device 5; it is also possible that both the first transition surface 4 a' and the second transition surface 54 are provided.

The first transition surface 4 a' and the second transition surface 54 may be inclined planes or inclined curved surfaces.

In an exemplary embodiment, fig. 5 and 6, a supporting pillar is formed above the switching device 5, and the supporting portion 51 is formed at an upper portion of the supporting pillar. The support portion 51 is provided with a curved surface, which makes the sliding smoother.

In one embodiment, referring to fig. 5 and 6, the arrangement direction of the guiding device 3 and the exhaust valve 2 is a reference direction, and the locking cavity 4a and the locking surface 41 are arranged along the reference direction. That is, the locking chamber 4a, the locking surface 41, the guide means 3 and the exhaust valve 2 are substantially aligned along the reference direction, so that the support portion 51 accommodated in the locking chamber 4a is less likely to be twisted off the reference direction during the movement of the first transition surface 4 a' to the locking surface 41, and the switching device 5 or the actuator 4 is less likely to swing around the guide means 3.

In an exemplary embodiment, referring to fig. 5 and 6, the locking chamber 4a and the locking surface 41 are located between the guide 3 and the exhaust valve 2 in the reference direction. The arrangement can ensure that the guide device 3 is far away from the exhaust port, and the guide device 3 far away from the exhaust port cannot be rusted and damaged by steam for a long time.

In an exemplary embodiment, referring to fig. 5 and 6, the locking surface 41 is located on a side of the locking cavity 4a facing the guide 3. Therefore, the locking surface 41 is close to the guide device 3, and the transverse moment applied to the guide device 3 is small in the process that the actuating mechanism 4 slides along the axial direction of the guide device 3, so that the uniform stress is facilitated, and the guide device 3 is not easy to block.

In one embodiment, referring to fig. 5 and 6, the actuator 4 is formed with a check portion 42, and the check portion 42 is located at one end of the locking surface 41 facing the locking cavity 4a along the arrangement direction of the guide device 3 and the exhaust valve 2 to prevent the support portion 51 from moving to the locking cavity 4 a. It should be understood that the non-return portion 42 can provide a certain resistance to the movement of the support portion 51 toward the locking cavity 4a, and does not mean that the non-return portion 42 can completely block and limit the movement of the support portion 51 toward the locking cavity 4 a. The check portion 42 can prevent the support portion 51 from sliding toward the locking cavity 4a, so that the actuator 4 can be maintained at the first target position as much as possible, the exhaust valve 2 can be maintained in a state of opening the exhaust hole 1a, and the cooking utensil can continuously perform exhaust and pressure relief.

In an embodiment, referring to fig. 5 and 6, the pot cover further includes a first resetting member 6, one end of the first resetting member 6 abuts against the pot cover body 1, and the other end abuts against one side of the actuator 4 away from the locking surface 41. The first reset member 6 is capable of driving the actuator 4 to move downwards. The first restoring member 6 may be, for example, a compression spring capable of providing an elastic force for moving the actuator 4 from the first target position to the second target position. The projection area of the support part 51 is at least partially located within the area enclosed by the outer projected contour line of the first restoring member 6, projected in the up-down direction. The arrangement can ensure that the torque generated between the elastic force provided by the first resetting piece 6 and the jacking force exerted by the supporting part 51 on the actuating mechanism 4 is small, and the actuating mechanism 4 is not easy to be blocked when moving.

In one embodiment, the pot cover body 1 comprises an inner cover 11 and a surface cover 12 covering the upper end of the inner cover 11; the inner cover 11 and the face cover 12 are arranged together to form an accommodating cavity 1c, the switching device 5 is partially exposed out of the upper surface of the face cover 12, the actuating mechanism 4 is partially positioned below the exhaust valve 2 to drive the exhaust valve 2 to move, and the switching device 5 and the actuating mechanism 4 are partially positioned in the accommodating cavity 1 c. For example, referring to fig. 3 to 6, a limit groove 1b is formed on the surface cover 12, and the pushing portion extends out of the limit groove 1b and is located below the exhaust valve 2 to drive the exhaust valve 2 to move. An operation hole is formed in the face cover 12, and a push button 53 is located on the operation hole to facilitate the user to operate the switching device 5. Hide switching device 5, executive structure to holding in the chamber 1c, pot cover body 1 is more pleasing to the eye, and user experience feels good.

In one embodiment, referring to fig. 5 and 6, the venting hole 1a is formed in the inner lid 11.

In one embodiment, referring to fig. 5 and 6, the inner lid 11 includes a main body of the inner lid 11 and an exhaust valve element 9 mounted on the main body of the inner lid 11, and the exhaust hole 1a is formed in the exhaust valve element 9. The exhaust valve 2 is pressed on the exhaust valve core 9, and high-pressure gas in the pot body can be communicated with the outside of the pot through the exhaust valve core 9. The cooker cover with the air exhaust valve core 9 ensures that the air exhaust hole 1a keeps good air tightness in the cooker under the closed state and is not easy to leak air.

Another aspect of the embodiments of the present application provides a cooking appliance, which includes a pot body and a pot cover in any one of the above embodiments. The pot cover body 1 is covered on the pot body to form a cooking cavity, and the switching device 5 is positioned outside the cooking cavity and partially exposed out of the pot cover body 1.

In an embodiment, referring to fig. 7 to 10, the switching device 5 has a return column 52, the lid further includes a return push plate 7 movably mounted on the lid body 1, a toggle portion 71 is formed on the return push plate 7, when the lid body 1 rotates relative to the lid body, the toggle portion 71 can drive the return column 52 to move, and the support portion 51 is driven by the return column 52 to disengage from the locking surface 41, so that the exhaust valve 2 closes the exhaust hole 1 a. When can realize uncapping rotatory pot lid like this, actuating mechanism 4 gets back to the second target location automatically, avoids the user to forget will push away the button return and lead to discharge valve 2 not to block up exhaust hole 1a when next work.

In one embodiment, the switching device 5 includes a push button 53, and the push button 53 is slidably disposed on the lid body 1 or the pot body. That is, the push button 53 can be slidably disposed on the lid body 1 and also slidably disposed on the pot body, so that the user can operate the push button 53 at a position away from the exhaust hole 1a of the cooking appliance to control the switching device 5, thereby reducing the risk of scalding by the continuously discharged high-temperature steam.

For example, in an embodiment, please refer to fig. 7 to 10, the pot cover further includes a second resetting member 8, one end of the second resetting member 8 abuts against the pot cover body 1, the other end abuts against the resetting push plate 7, and the second resetting member 8 can drive the toggle portion 71 to separate from the resetting column 52. The second piece 8 that resets can be the pressure spring, can provide the elastic force that resets push pedal 7 return to reset push pedal 7 can normally work when making the pot cover that resets next time rotatory.

In an exemplary embodiment, referring to fig. 7 to 10, the reset push plate 7 is formed with a convex pillar 72, the reset push plate 7 can move along an axial direction of the convex pillar 72 so that the toggle portion 71 drives the reset pillar 52 to move along the axial direction of the convex pillar 72, and the axial direction of the convex pillar 72 is arranged along an arrangement direction of the exhaust valve 2 and the guiding device 3; therefore, the toggle part 71 can drive the return column 52 to move, so that torsion deviating from the reference direction is not easy to generate, and the reset push plate 7 is not easy to swing. The pot body is provided with a groove corresponding to the convex column 72, the convex column 72 can be partially moved into the groove to separate the toggle part 71 from the return column 52, and the convex column 72 can be moved out of the groove to enable the toggle part 71 to drive the return column 52 to move along the axial direction of the convex column 72. That is, the protruding column 72 and the groove can cooperate to separate the toggle portion 71 from the return column 52. Meanwhile, the convex column 72 is matched with the inner wall of the pot body in an abutting mode, so that the shifting part 71 drives the return column 52 to move. Therefore, after the user opens the cooking utensil through the rotary pot cover, the exhaust valve 2 can automatically close the exhaust hole 1a, and after the user closes the cooking utensil through the rotary pot cover, the poking part 71 of the reset push plate 7 is separated from the return column 52, so that the exhaust valve 2 of the reset push plate 7 can also automatically close the exhaust hole 1a when the user rotates the pot cover next time.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and all the changes or substitutions should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (16)

1. A pot lid, comprising:

the cooker cover comprises a cooker cover body and a cover body, wherein the cooker cover body is used for covering a cooker body of a cooking appliance and is provided with an exhaust hole;

the exhaust valve is movably arranged on the cooker cover body to open or close the exhaust hole;

the guide device is connected with the pot cover body;

the actuating mechanism is provided with a locking surface and is arranged on the guide device, and the guide device can guide the actuating mechanism to move along a preset direction; and

the switching device is used for driving the actuating mechanism to move along the preset direction so as to drive the exhaust valve to open or close the exhaust hole, the switching device is provided with a supporting part, when the supporting part abuts against the locking surface, the actuating mechanism is kept at a first target position so as to keep the exhaust valve in a state of opening the exhaust hole, and when the actuating mechanism is kept at a second target position so as to keep the exhaust valve in a state of closing the exhaust hole, the supporting part is separated from the locking surface.

2. The lid of claim 1, wherein the guiding device is a guiding post, the actuating mechanism is sleeved on the guiding post, and the predetermined direction is an axial direction of the guiding post.

3. The lid according to claim 1, characterized in that said switching means drive said actuator in translation along said preset direction.

4. The lid according to any one of claims 1 to 3, wherein the actuator is formed with a locking cavity, and when the actuator is held at a second target position to keep the exhaust valve in a state of closing the exhaust hole, the support portion is located in the locking cavity, and the support portion has a height higher than that of the locking surface.

5. The lid according to claim 4, characterized in that the wall surface of the locking cavity facing to one side of the locking surface is a first transition surface, the lower end of which is inclined toward the locking surface; the switching device is movable on the first transition surface to move the support from the latch cavity to below the latch surface.

6. The lid for a pot as claimed in claim 4, wherein the direction of arrangement of the guide means and the exhaust valve is a reference direction, and the locking cavity and the locking surface are arranged along the reference direction.

7. The lid according to claim 6, characterized in that, in the reference direction, the locking cavity and the locking surface are located between the guide means and the venting valve.

8. The lid according to claim 7, characterized in that the locking surface is located on the side of the locking chamber facing the guiding means.

9. The lid according to claim 4, wherein the actuator is formed with a check portion at an end of the locking surface facing the locking cavity in an alignment direction of the guide means and the exhaust valve to block the support portion from moving toward the locking cavity.

10. The pot cover according to any one of claims 1 to 3, characterized in that the pot cover further comprises a first resetting piece, one end of the first resetting piece abuts against the pot cover body, and the other end of the first resetting piece abuts against one side of the actuating mechanism, which is far away from the locking surface, and the first resetting piece can drive the actuating mechanism to move downwards; and the projection area of the supporting part is at least partially positioned in an area surrounded by an outer projection contour line of the first resetting part along the projection in the vertical direction.

11. The pot cover according to any one of claims 1 to 3, wherein the pot cover body comprises an inner cover and a face cover covering the upper end of the inner cover; the inner cover and the face cover are arranged in a surrounding mode to form an accommodating cavity, the switching device is partially exposed out of the upper surface of the face cover, the actuating mechanism is partially located below the exhaust valve to drive the exhaust valve to move, and the switching device and the actuating mechanism are partially located in the accommodating cavity.

12. A cooking appliance, comprising:

a pan body; and

the pot cover according to any one of claims 1 to 11, wherein the pot cover body is covered on the pot body to enclose the cooking cavity, and the switching device is located outside the cooking cavity and partially exposed out of the pot cover body.

13. The cooking appliance of claim 12, wherein the switching device comprises a push button slidably disposed on the lid body or the pot body.

14. The cooking utensil of claim 12 wherein the switching device has a return post, the lid further comprises a return push plate movably mounted on the lid body, the return push plate has a toggle portion formed thereon, the toggle portion can move the return post when the lid body rotates relative to the lid body, and the support portion is disengaged from the locking surface under the urging of the return post to allow the exhaust valve to close the exhaust hole.

15. The cooking utensil of claim 14 wherein the lid further comprises a second reset member, one end of the second reset member abuts against the lid body and the other end of the second reset member abuts against the reset push plate, and the second reset member can drive the toggle portion to separate from the reset post.

16. The cooking utensil of claim 14 wherein the reset push plate is formed with a protrusion, the reset push plate is capable of moving along an axial direction of the protrusion to enable the toggle portion to drive the reset post to move along the axial direction of the protrusion, the axial direction of the protrusion is arranged along a direction in which the exhaust valve and the guiding device are arranged, the pot body is formed with a groove corresponding to the protrusion, the protrusion is capable of moving into the groove partially to separate the toggle portion from the reset post, and the protrusion is capable of moving out of the groove to enable the toggle portion to drive the reset post to move along the axial direction of the protrusion.

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