CN216797310U

CN216797310U - Upper cover and cooking utensil with same

Info

Publication number: CN216797310U
Application number: CN202123061572.5U
Authority: CN
Inventors: 曾俊兵; 李湘飞; 殷大磊
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-06-24
Anticipated expiration: 2031-12-06

Abstract

The utility model provides an upper cover and a cooking utensil with the same, wherein the upper cover comprises: the cover body is provided with a pressure limiting valve seat, the cover body is provided with an exhaust pipe, and the upper end of the exhaust pipe penetrates out of the bottom wall of the pressure limiting valve seat; the pressure limiting valve is arranged at the upper end of the exhaust pipe, and the lower end of the pressure limiting valve is positioned in the pressure limiting valve seat; the exhaust lever can be arranged in the cover body in a vertically floating mode, the exhaust lever is provided with a pushing column extending upwards, a first avoidance hole is formed in the bottom wall of the pressure limiting valve seat, and the pushing column penetrates through the first avoidance hole in a vertically floating mode to be matched with the pressure limiting valve. Through the technical scheme that this application provided, when utilizing the exhaust lever jacking pressure limiting valve among the correlation technique, the problem that the pressure limiting valve easily takes place to rock can be solved.

Description

Upper cover and cooking utensil with same

Technical Field

The utility model relates to the technical field of small household appliances, in particular to an upper cover and a cooking utensil with the upper cover.

Background

The electric pressure cooker can be used for pressure cooking, namely, food is cooked under higher pressure, and then the cooking speed can be increased.

In the related art, the electric pressure cooker includes a cooker body and an upper cover provided on the cooker body, the upper cover being provided with a pressure limiting valve by which the electric pressure cooker can cook under a higher pressure. An exhaust lever used for jacking the pressure limiting valve is arranged in the upper cover, and the pressure limiting valve can be jacked up by the exhaust lever to realize exhaust.

However, when the pressure limiting valve is lifted by using the exhaust lever in the related art, the exhaust lever rotates in the upper cover, and one end of the exhaust lever lifts the pressure limiting valve by using the lever action, so that the pressure limiting valve is easy to shake.

SUMMERY OF THE UTILITY MODEL

The utility model provides an upper cover and a cooking utensil with the upper cover, and aims to solve the problem that a pressure limiting valve is easy to shake when the pressure limiting valve is lifted by an exhaust lever in the related art.

According to an aspect of the present invention, there is provided an upper cover, including: the cover body is provided with a pressure limiting valve seat, the cover body is provided with an exhaust pipe, and the upper end of the exhaust pipe penetrates out of the bottom wall of the pressure limiting valve seat; the pressure limiting valve is arranged at the upper end of the exhaust pipe, and the lower end of the pressure limiting valve is positioned in the pressure limiting valve seat; the exhaust lever is arranged in the cover body in a vertically floating mode and provided with a pushing column extending upwards, a first avoidance hole is formed in the bottom wall of the pressure limiting valve seat, and the pushing column penetrates through the first avoidance hole in a vertically floating mode to be matched with the pressure limiting valve.

By applying the technical scheme of the utility model, the upper cover comprises a cover body, a pressure limiting valve and an exhaust lever, the bottom wall of the pressure limiting valve seat is provided with the first avoidance hole, the exhaust lever is provided with the push column extending upwards, when the pressure limiting valve needs to be pushed by the exhaust lever, the exhaust lever floats upwards, and the push column pushes the pressure limiting valve to move upwards so as to realize exhaust. By adopting the structure, the exhaust lever lifts the pressure limiting valve in an up-and-down floating mode, and compared with the mode that the exhaust lever lifts the pressure limiting valve in a rotating mode, the pressure limiting valve is not easy to shake, and the stability of the pressure limiting valve during movement can be improved. In addition, the first avoidance hole is formed in the bottom wall of the pressure limiting valve seat, the pushing column is used for directly pushing the lower surface of the pressure limiting valve, the pressure limiting valve is not prone to shaking, and the stability of the pressure limiting valve during movement can be further improved.

Furthermore, the cover body comprises a shielding cover and a buckling cover which is positioned below the shielding cover and connected with the shielding cover, the exhaust lever can be vertically arranged between the shielding cover and the buckling cover in a floating manner, and the buckling cover is provided with a sinking platform corresponding to the pushing column. The movable space can be provided for the pushing column by utilizing the sinking platform, so that the assembly space occupied by the pushing column can be reduced, the thickness of the cover body can be reduced, and the light and thin upper cover can be realized conveniently.

Further, the exhaust lever includes the lever body and the section of bending, and the section of bending is including the first section and the second section that become the angle setting, and the first end and the this body coupling of lever of first section, the second end downwardly extending of first section to heavy platform department and with the second section connection, the top post setting of pushing away is on the second section. Through setting up the section of bending, make the section of bending stretch into and sink in the platform, the section of bending and top pushing column can make full use of sink the vertical space that the platform provided, reduce the thickness size of lid.

Furthermore, the exhaust lever has an initial position and a floating position, when the exhaust lever moves from the initial position to the floating position, the pushing column pushes the pressure limiting valve to move upwards, and when the exhaust lever is located at the initial position, the lower surface of the exhaust lever is attached to the upper surface of the sinking platform. When the exhaust lever is located initial position, can utilize the heavy platform to support the exhaust lever, avoid the exhaust lever to take place to rock, can promote the stability of exhaust lever in the lid.

Furthermore, the exhaust lever is provided with a guide hole, the shielding cover is provided with a guide column, and the guide column penetrates through the guide hole. In the process of up-and-down floating of the exhaust lever, the exhaust lever can be guided by the guide holes and the guide columns, and the moving stability of the exhaust lever is improved.

Further, the shielding cover comprises a face cover and a lining located below the face cover, a mounting plate is arranged on the lining, the guide column is arranged on the mounting plate and extends upwards, and the exhaust lever is located above the mounting plate. The shielding cover is divided into the face cover and the lining, so that components in the shielding cover can be assembled and fixed conveniently. Through set up the mounting panel on the inside lining, be convenient for assemble fixedly to the exhaust lever.

Further, the inside lining is ring structure and is located the outside of lock lid, and the inside lining has the second and dodges the hole, and the second dodges the hole and runs through the diapire of inside lining downwards, and the one end of exhaust lever is worn to locate the second and dodges the hole with floating from top to bottom. In the process that the exhaust lever floats up and down, the second avoidance hole can be used for guiding the exhaust lever, and the stability of the exhaust lever during moving is improved. Utilize guiding hole and guide post to cooperate and lead to the exhaust lever to and utilize the second to dodge the pore pair exhaust lever and lead, can realize the dual direction to the exhaust lever, ensured that exhaust lever can not appear crooked, that is to say that exhaust lever can not appear moving about the not smooth problem. And, the guide post and the second dodge the hole setting on same part, compare in the dual direction on different parts, its location is easy, the activity problem of hindering can not appear.

Furthermore, the upper cover further comprises a return spring, an annular rib is arranged on the exhaust lever, a first mounting column is arranged in the annular rib, a second mounting column is arranged on the cover body, a first end of the return spring is inserted into the annular rib and sleeved on the first mounting column, and a second end of the return spring is sleeved on the second mounting column. By adopting the structure, the first end of the reset spring can be limited by the annular rib and the first mounting column, and the second end of the reset spring can be limited by the second mounting column, so that the stable assembly of the reset spring is realized.

Further, the lever body includes first plate section and second plate section, and the section of bending is connected with the first end of first plate section, and the second plate section is connected and downwardly extending with the second end of first plate section, and the lower extreme of second plate section is provided with the drive boss. Adopt above-mentioned structure, second plate section downwardly extending is convenient for the second plate section and is cooperateed with the driving piece on the a kind of deep pot body. The driving boss is arranged at the lower end of the second plate section, so that the driving stability of the driving piece and the exhaust lever is convenient to promote.

According to another aspect of the present invention, there is provided a cooking appliance including: a pot body; the upper cover is arranged on the cooker body and can be opened and closed, and the upper cover is the upper cover provided above. Therefore, the cooking utensil can also enable the exhaust lever to lift the pressure limiting valve in an up-and-down floating mode, and the stability of the pressure limiting valve during movement is improved. The lower surface of the pressure limiting valve is directly pushed by the pushing column, the pressure limiting valve is not prone to shaking, and the stability of the pressure limiting valve during movement can be further improved.

Furthermore, the upper end of the cooker body is provided with a driving piece which is provided with a telescopic rod, and the telescopic rod is in driving connection with the exhaust lever of the upper cover. The telescopic rod extends upwards, the telescopic rod can be used for pushing the exhaust lever to move upwards, and then the exhaust lever can be used for pushing the pressure limiting valve to move upwards to exhaust.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows an exploded view of an upper cover provided by an embodiment of the present invention;

FIG. 2 shows a partial enlarged view at A in FIG. 1;

FIG. 3 shows a schematic diagram of the exhaust lever of FIG. 1;

FIG. 4 shows a schematic of the construction of the liner of FIG. 1;

fig. 5 shows a cross-sectional view of an upper cover provided by an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a cover body; 11. a pressure limiting valve seat; 12. an exhaust pipe; 13. a first avoidance hole; 14. a shielding cover; 141. a guide post; 142. a face cover; 143. a liner; 144. mounting a plate; 15. a snap-fit cover; 151. sinking a platform; 16. a second avoidance hole; 17. a second mounting post; 18. a pressure limiting valve cover;

20. a pressure limiting valve;

30. an exhaust lever; 31. pushing the column; 32. a lever body; 321. a first plate section; 322. a second plate section; 323. driving the boss; 33. bending sections; 331. a first stage; 332. a second stage; 34. a guide hole; 35. an annular rib; 36. a first mounting post;

40. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. 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 invention.

As shown in fig. 1 to 5, an embodiment of the present invention provides an upper cover, which includes a cover body 10, a pressure limiting valve 20 and an exhaust lever 30, wherein the cover body 10 has a pressure limiting valve seat 11, the cover body 10 is provided with an exhaust pipe 12, an upper end of the exhaust pipe 12 penetrates upward from a bottom wall of the pressure limiting valve seat 11, and a lower end of the exhaust pipe 12 is communicated with a cooking cavity of a cooker body. The pressure limiting valve 20 is arranged at the upper end of the exhaust pipe 12, and the lower end of the pressure limiting valve 20 is positioned in the pressure limiting valve seat 11. The pressure limiting valve 20 can keep the pressure of the cooking utensil high during cooking, and therefore cooking efficiency is improved. In the present embodiment, the exhaust lever 30 is disposed in the cover 10 in a vertically floating manner, the exhaust lever 30 has a pushing column 31 extending upward, the bottom wall of the pressure limiting valve seat 11 is provided with a first avoiding hole 13, and the pushing column 31 is disposed through the first avoiding hole 13 in a vertically floating manner to cooperate with the pressure limiting valve 20.

By applying the upper cover provided by the embodiment, the exhaust lever 30 lifts the pressure limiting valve 20 in an up-and-down floating manner, and compared with the way that the exhaust lever 30 lifts the pressure limiting valve 20 in a rotating manner, the pressure limiting valve 20 is not easy to shake, and the stability of the pressure limiting valve 20 during movement can be improved. In addition, the first avoidance hole 13 is formed in the bottom wall of the pressure limiting valve seat 11, the lower surface of the pressure limiting valve 20 is directly pushed by the pushing column 31, the pressure limiting valve 20 is not prone to shaking, and the stability of the pressure limiting valve 20 during movement can be further improved.

In the present embodiment, the exhaust lever 30 is provided in the cover 10 so as to be vertically movable, which means that the exhaust lever 30 can be translated in the cover 10 in the vertical direction, and the pressure limiting valve can be lifted up by the exhaust lever 30. The up-down direction includes a vertical direction and a direction forming an included angle with the vertical direction, for example, a direction forming ± 5 ° with the vertical direction.

Specifically, the up-down direction refers to a direction pointing downward from the top or upward from the bottom in fig. 1.

As shown in fig. 1 and 5, the cover body 10 includes a shielding cover 14 and a locking cover 15 located below the shielding cover 14 and connected to the shielding cover 14, the exhaust lever 30 is disposed between the shielding cover 14 and the locking cover 15 in a vertically floating manner, and the locking cover 15 has a sinking platform 151 disposed corresponding to the pushing post 31. The sinking platform 151 can provide a moving space for the pushing column 31, so that the assembly space occupied by the pushing column 31 can be reduced, the thickness of the cover body 10 can be reduced, and the upper cover is convenient to lighten and thin.

Specifically, the exhaust lever 30 includes a lever body 32 and a bending section 33, the bending section 33 includes a first section 331 and a second section 332 which are angled, a first end of the first section 331 is connected with the lever body 32, a second end of the first section 331 extends downwards to the sinking platform 151 and is connected with the second section 332, and the pushing column 31 is disposed on the second section 332. Through setting up the section of bending 33, make the section of bending 33 stretch into heavy platform 151 in, the vertical space that section of bending 33 and top pushing column 31 can the heavy platform 151 of make full use of provide reduces the thickness dimension of lid 10.

In the present embodiment, the exhaust lever 30 has an initial position and a floating position, when the exhaust lever 30 moves from the initial position to the floating position, the pushing column 31 pushes the pressure limiting valve 20 to move upward, and when the exhaust lever 30 is located at the initial position, the lower surface of the exhaust lever 30 is attached to the upper surface of the sinking platform 151. When the exhaust lever 30 is located at the initial position, the exhaust lever 30 can be supported by the sink 151, so that the exhaust lever 30 is prevented from shaking, and the stability of the exhaust lever 30 in the cover body can be improved.

Specifically, when the exhaust lever 30 is located at the initial position, the lower surface of the bending section 33 is attached to the upper surface of the sinking platform 151.

As shown in fig. 3 and 4, the exhaust lever 30 is provided with a guide hole 34, the shield cover 14 is provided with a guide post 141, and the guide post 141 is inserted into the guide hole 34. In the process of the up-and-down floating of the exhaust lever 30, the guide hole 34 and the guide post 141 can be used for guiding the exhaust lever 30, and the stability of the exhaust lever 30 during moving is improved.

In the present embodiment, two guide holes 34 are spaced apart from each other on the exhaust lever 30, the two guide holes 34 are respectively disposed on both sides of the exhaust lever 30, and the shielding cover 14 is provided with two guide posts 141. The two guide holes 34 and the two guide posts 141 cooperate with each other to further improve the smoothness of the movement of the exhaust lever 30.

As shown in fig. 1, 4 and 5, the shield cover 14 includes a face cover 142 and an inner liner 143 below the face cover 142, the inner liner 143 is provided with a mounting plate 144, the guide post 141 is provided on the mounting plate 144 and extends upward, and the exhaust lever 30 is located above the mounting plate 144. The shield cover 14 is provided separately as the face cover 142 and the inner liner 143, so that the components in the shield cover 14 can be easily assembled and fixed. The mounting plate 144 is provided on the inner liner 143 to facilitate the mounting and fixing of the exhaust lever 30.

As shown in fig. 1, 4 and 5, the inner liner 143 is of an annular structure and is located outside the fastening cover 15, the inner liner 143 has a second avoiding hole 16, the second avoiding hole 16 downwardly penetrates through a bottom wall of the inner liner 143, and one end of the exhaust lever 30 vertically floats to penetrate through the second avoiding hole 16. In the process that the exhaust lever 30 floats up and down, the second avoidance hole 16 can be used for guiding the exhaust lever 30, and the stability of the exhaust lever 30 in moving is improved.

The exhaust lever 30 is guided by the cooperation of the guide hole 34 and the guide post 141, and the exhaust lever 30 is guided by the second avoidance hole 16, so that the exhaust lever 30 can be guided doubly, the exhaust lever 30 is prevented from being inclined, and the exhaust lever 30 is prevented from moving unsmoothly. Moreover, the guiding column 141 and the second avoiding hole 16 are arranged on the same component (both on the lining 143), and compared with double guiding on different components, the positioning is easy, and the movement retardation problem cannot occur.

As shown in fig. 1 and 5, the upper cover further includes a return spring 40, the exhaust lever 30 is provided with an annular rib 35, the annular rib 35 is provided with a first mounting column 36, the cover 10 is provided with a second mounting column 17, a first end of the return spring 40 is inserted into the annular rib 35 and sleeved on the first mounting column 36, and a second end of the return spring 40 is sleeved on the second mounting column 17. Adopt above-mentioned structure, utilize annular muscle 35 and first erection column 36 can carry on spacingly to reset spring 40's first end, utilize second erection column 17 can carry on spacingly to reset spring 40's second end, realize reset spring 40's firm assembly.

In the present embodiment, the annular rib 35 is a circular ring structure, and the annular rib 35 surrounds the outer periphery of the first mounting post 36.

As shown in fig. 3, the lever body 32 includes a first plate 321 and a second plate 322, the bending portion 33 is connected to a first end of the first plate 321, the second plate 322 is connected to a second end of the first plate 321 and extends downward, and a driving boss 323 is disposed at a lower end of the second plate 322. By adopting the structure, the second plate section 322 extends downwards, so that the second plate section 322 is matched with the driving piece on the cooker body conveniently. By providing the driving boss 323 at the lower end of the second plate section 322, it is convenient to improve the driving stability of the driving member and the exhaust lever 30.

The driving boss 323 has a shape and a size that are matched with those of the second avoidance hole 16, and the driving boss 323 can be guided and fitted to the second avoidance hole 16.

In the present embodiment, the guide hole 34 is provided on the first plate section 321. Specifically, two guide holes 34 are provided on both sides of the first plate section 321, respectively.

In the present embodiment, the upper cover further includes a pressure limiting valve cover 18, and the pressure limiting valve cover 18 is covered above the pressure limiting valve 20.

The utility model further provides a cooking appliance, which comprises a cooker body and an upper cover, wherein the upper cover is arranged on the cooker body and can be opened and closed, and the upper cover is the upper cover. Therefore, the cooking utensil can also enable the exhaust lever 30 to lift the pressure limiting valve 20 in an up-and-down floating mode, and the stability of the pressure limiting valve 20 during movement is improved. The lower surface of the pressure limiting valve 20 is directly pushed by the pushing column 31, so that the pressure limiting valve 20 is not easy to shake, and the stability of the pressure limiting valve 20 during movement can be further improved.

Wherein, the upper end of the cooker body is provided with a driving piece which is provided with a telescopic rod, and the telescopic rod is in driving connection with the exhaust lever 30 of the upper cover. The telescopic rod extends upwards, namely the telescopic rod pushes the exhaust lever 30 to move upwards, and then the exhaust lever 30 pushes the pressure limiting valve 20 to move upwards to exhaust.

Specifically, the driving piece comprises an electromagnetic valve, and the telescopic rod is a valve rod of the electromagnetic valve.

In this embodiment, the cooking appliance is an electric pressure cooker.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …", "above … …", "above … …", "above", and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An upper cover, characterized in that the upper cover comprises:

the cover body (10) is provided with a pressure limiting valve seat (11), the cover body (10) is provided with an exhaust pipe (12), and the upper end of the exhaust pipe (12) penetrates out of the bottom wall of the pressure limiting valve seat (11) upwards;

the pressure limiting valve (20) is arranged at the upper end of the exhaust pipe (12), and the lower end of the pressure limiting valve (20) is positioned in the pressure limiting valve seat (11);

the exhaust lever (30) is arranged in the cover body (10) in a vertically-floating mode, the exhaust lever (30) is provided with a pushing column (31) extending upwards, a first avoidance hole (13) is formed in the bottom wall of the pressure limiting valve seat (11), and the pushing column (31) penetrates through the first avoidance hole (13) in a vertically-floating mode to be matched with the pressure limiting valve (20).

2. The upper cover according to claim 1, wherein the cover body (10) comprises a shielding cover (14) and a locking cover (15) which is located below the shielding cover (14) and connected with the shielding cover (14), the exhaust lever (30) is arranged between the shielding cover (14) and the locking cover (15) in a vertically floating manner, and the locking cover (15) is provided with a sinking platform (151) which is arranged corresponding to the pushing column (31).

3. The upper cover according to claim 2, wherein the exhaust lever (30) comprises a lever body (32) and a bending section (33), the bending section (33) comprises a first section (331) and a second section (332) which are arranged at an angle, a first end of the first section (331) is connected with the lever body (32), a second end of the first section (331) extends downwards to the sinking platform (151) and is connected with the second section (332), and the pushing column (31) is arranged on the second section (332).

4. The upper cover according to claim 2, wherein the exhaust lever (30) has an initial position and a floating position, when the exhaust lever (30) moves from the initial position to the floating position, the pushing column (31) pushes the pressure limiting valve (20) to move upward, and when the exhaust lever (30) is located at the initial position, a lower surface of the exhaust lever (30) is in contact with an upper surface of the sinking platform (151).

5. The upper cover according to claim 2, characterized in that the exhaust lever (30) is provided with a guide hole (34), the shielding cover (14) is provided with a guide post (141), and the guide post (141) is arranged in the guide hole (34) in a penetrating manner.

6. The upper cover according to claim 5, wherein the shielding cover (14) comprises a face cover (142) and an inner liner (143) located below the face cover (142), a mounting plate (144) is disposed on the inner liner (143), the guide posts (141) are disposed on the mounting plate (144) and extend upward, and the exhaust lever (30) is located above the mounting plate (144).

7. The upper cover according to claim 6, wherein the inner liner (143) is of an annular structure and is located outside the fastening cover (15), the inner liner (143) has a second avoiding hole (16), the second avoiding hole (16) penetrates through a bottom wall of the inner liner (143) downwards, and one end of the exhaust lever (30) is vertically and floatingly inserted into the second avoiding hole (16).

8. The upper cover according to any one of claims 1 to 7, further comprising a return spring (40), wherein an annular rib (35) is disposed on the exhaust lever (30), a first mounting column (36) is disposed in the annular rib (35), the cover body (10) is provided with a second mounting column (17), a first end of the return spring (40) is inserted into the annular rib (35) and sleeved on the first mounting column (36), and a second end of the return spring (40) is sleeved on the second mounting column (17).

9. The upper cover according to claim 3, wherein the lever body (32) comprises a first plate section (321) and a second plate section (322), the bending section (33) is connected with a first end of the first plate section (321), the second plate section (322) is connected with a second end of the first plate section (321) and extends downwards, and a driving boss (323) is arranged at a lower end of the second plate section (322).

10. A cooking appliance, characterized in that it comprises:

a pot body;

an upper cover, which is provided on the cooker body and can be opened and closed, wherein the upper cover is as defined in any one of claims 1 to 9.

11. The cooking appliance according to claim 10, wherein the upper end of the pot body is provided with a driving member having a telescopic rod drivingly connected with an exhaust lever (30) of the upper cover.