CN110623535A

CN110623535A - Cooking utensil

Info

Publication number: CN110623535A
Application number: CN201810664775.7A
Authority: CN
Inventors: 马二刚
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2018-06-25
Filing date: 2018-06-25
Publication date: 2019-12-31

Abstract

The present invention provides a cooking appliance, comprising: a pan body; the pot cover is covered on the pot body, and an exhaust channel is arranged on the pot cover; the pressure limiting valve is arranged at the exhaust channel; the lever element is pivotally arranged on the pot cover, the first end of the lever element is positioned below the pressure limiting valve, and the second end of the lever element is an exhaust pressing end; an exhaust push button which slides on the surface of the pot cover and has an exhaust position and a sealing position on the sliding path; when the exhaust push button is in the exhaust position, the exhaust push button presses the exhaust pressing end to enable the first end of the lever element to move upwards and jack the pressure limiting valve to release steam in the pot body; when the exhaust push button is in a sealing position, the lever element avoids the exhaust pressing end, and the pressure limiting valve seals the exhaust channel under the action of self gravity. The invention solves the problems of poor use stability of the electric pressure cooker and high overall processing and manufacturing cost of the electric pressure cooker in the prior art.

Description

Cooking utensil

Technical Field

The invention relates to the technical field of kitchen equipment, in particular to a change of a pressure relief mode of a cooking appliance.

Background

After the electric pressure cooker finishes cooking food, the cooker cover needs to be opened after steam in the cooker body is released, so that the phenomenon that a user is scalded due to the fact that the steam is sprayed out due to the fact that the pressure in the cooker body is too high is avoided. In order to ensure that the steam in the cooker body can be fully released before the cooker cover is opened, a user needs to jack the pressure limiting valve to release the pressure in the cooker body before opening the cover.

On the existing electric pressure cooker, the mechanism composition for jacking the pressure limiting valve is unreasonable, a button structure which can reciprocate up and down is usually required to be arranged on a cooker cover to serve as a driving element of the jacking pressure limiting valve, the upward reset movement process of the button structure needs to be carried out by means of external force of other structural elements, so that the risk that the button structure cannot be reset normally due to the fact that a reset force application element has functional failure is increased, the probability that the button structure is blocked in a movement channel is increased, the use stability of the electric pressure cooker is seriously influenced, in addition, the complexity of the mechanism for jacking the pressure limiting valve is increased by using the button structure, the overall processing and manufacturing cost of the electric pressure cooker is increased, and the electric pressure cooker is not favorable for market sale.

Disclosure of Invention

The invention mainly aims to provide a cooking appliance, which solves the problems that in the prior art, a mechanism for jacking a pressure limiting valve is complex, a button structure which can reciprocate up and down is usually required to be arranged on a cooker cover, the risk that the button structure cannot normally reset is high, the probability of being stuck in a movement channel is high, the use stability of an electric pressure cooker is seriously influenced, and the overall processing and manufacturing cost of the electric pressure cooker is increased.

In order to achieve the above object, the present invention provides a cooking appliance, comprising: a pan body; the pot cover is covered on the pot body, and an exhaust channel is arranged on the pot cover; the pressure limiting valve is arranged at the exhaust channel; the lever element is pivotally arranged on the pot cover, the first end of the lever element is positioned below the pressure limiting valve, and the second end of the lever element is an exhaust pressing end; an exhaust push button which slides on the surface of the pot cover and has an exhaust position and a sealing position on the sliding path; when the exhaust push button is in the exhaust position, the exhaust push button presses the exhaust pressing end to enable the first end of the lever element to move upwards and jack the pressure limiting valve to release steam in the pot body; when the exhaust push button is in a sealing position, the lever element avoids the exhaust pressing end, and the pressure limiting valve seals the exhaust channel under the action of self gravity.

Further, the pot cover includes pot cover body and face lid, and the face lid covers and establishes on the pot cover body, and lever element is connected with pot cover body or face lid to be located between pot cover body and the face lid, the face is covered and has been seted up the slot hole that slides, and the exhaust pushes away the button setting and is covered and slide along the length direction of the slot hole that slides on the face, and the exhaust pushes away partly stretch into in the slot hole that slides, in order to be used for pressing lever element.

Furthermore, the face cover is provided with a limiting groove, the sliding long hole is located on the groove bottom wall of the limiting groove, the exhaust push button comprises a push plate and a pressing arm, the push plate is arranged in the limiting groove and slides along the length direction of the sliding long hole, the first end of the pressing arm is connected with the push plate, and the second end of the pressing arm extends into the sliding long hole to serve as a pressing end for pressing the lever element.

Further, the pressing end is a pressing plane, and the cross-sectional area of the pressing arm is gradually reduced along the direction far away from the pressing plane, so that the surface of the pressing arm facing the lever element comprises the pressing plane and the avoiding curved surface which are connected.

Further, the exhaust push button further comprises a buckle, the buckle is arranged on the pressing arm and is arranged at an interval with the push plate, and an avoiding space used for being clamped with the surface cover is formed between the push plate and the buckle.

Further, the catch is a wedge-shaped catch having a cross-sectional area that gradually decreases in a direction away from the pressing end of the lever element.

Further, a part of the lever member is protruded toward one side of the exhaust push button to form a smoothly transiting convex structure, and the convex structure forms an exhaust pressing end.

Further, the lever element comprises a jacking plate section and a bending plate section which are connected, wherein the jacking plate section is connected with the cooker cover body, the protruding structure is formed on the bending plate section, a first included angle A is formed between the jacking plate section and the bending plate section, the pressure limiting valve and the sliding long hole are arranged at intervals along the circumferential direction of the cover, a second included angle B is formed between a connecting line between the pressure limiting valve and an end point of the sliding long hole, which is close to one side of the sealing position of the exhaust push button, and the length direction of the sliding long hole, and the first included angle A is equal to the second included angle B.

Further, the cooking utensil further comprises a switch element and a warning element, wherein the switch element is arranged on the pot cover, when the exhaust push button slides to the exhaust position, the exhaust push button triggers the switch element, and the switch element controls the warning element to send out a warning signal.

Further, the switch element is a microswitch, and the warning signal is a sound warning signal, a vibration warning signal or a light warning signal.

Further, the cooking utensil is an electric pressure cooker, the pot cover is rotatably arranged on the pot body around the circumferential direction of the pot body, and the pot cover body comprises a locking cover used for being in clamping fit with the pot body.

By applying the technical scheme of the invention, the sliding exhaust push button is arranged on the surface of the cooker cover, so that a user can easily drive the exhaust push button to reciprocate at the exhaust position and the sealing position only by pushing or pulling the exhaust push button, thereby smoothly jacking the pressure limiting valve to release steam in the cooker body and realizing the pressure relief of the cooking utensil. Moreover, the exhaust push button reciprocates between the exhaust position and the sealing position without the aid of force applied by an external elastic element, so that the risk that the exhaust push button is blocked or cannot be normally reset is reduced, the mechanism complexity of the jacking pressure-limiting valve is simplified, the overall processing and manufacturing cost of the cooking appliance is reduced, and the market competitiveness of the cooking appliance is favorably improved.

Drawings

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

fig. 1 shows a schematic internal structure of a cooking appliance according to an alternative embodiment of the present invention;

fig. 2 shows a schematic structural view of a lid of the cooking appliance of fig. 1 equipped with a pressure limiting valve and an exhaust push button;

fig. 3 is a partial structural view showing the pot cover of fig. 2 without the pressure limit valve and the air release push button;

fig. 4 is a schematic sectional view of the pot cover in fig. 2, and shows a state where the exhaust push button is in a sealing position and the lever member is not pressed to jack up the pressure limiting valve;

fig. 5 is a schematic sectional view of the pot cover in fig. 2, and shows a state where the exhaust push button presses the lever member to jack up the pressure limiting valve in the exhaust position;

fig. 6 is a schematic sectional view showing another angle of the lid of fig. 2, and shows a state where the exhaust push button is in a sealing position and the lever member is not pressed to jack up the pressure limiting valve;

fig. 7 is a schematic sectional view showing another angle of the lid of fig. 2, and shows a state where the exhaust push button is in the exhaust position to press the lever member to jack up the pressure limiting valve and to trigger the switch member;

FIG. 8 is a schematic structural view of an exhaust push button of the cooking appliance of FIG. 1;

fig. 9 shows a schematic structural view of a lever element of the cooking appliance of fig. 1.

Wherein the figures include the following reference numerals:

10. a pan body; 20. a pot cover; 21. an exhaust passage; 22. a pot cover body; 23. a face cover; 231. a sliding long hole; 232. a limiting groove; 30. a pressure limiting valve; 40. a lever element; 41. an exhaust pressing end; 42. jacking a plate section; 43. bending the plate section; 50. an exhaust push button; 51. pushing the plate; 511. avoiding a space; 512. anti-skid convex edges; 52. pressing the arm; 521. pressing a plane; 522. avoiding a curved surface; 53. buckling; 60. a switching element.

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 invention, 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.

In order to solve the problems that in the prior art, a mechanism for jacking up a pressure limiting valve is complex, a button structure which moves up and down in a reciprocating manner is usually required to be arranged on a cooker cover, the risk that the button structure cannot be reset normally is high, the probability of being stuck in a movement channel is high, the use stability of an electric pressure cooker is seriously influenced, and the overall processing and manufacturing cost of the electric pressure cooker is increased, the invention provides a cooking appliance which comprises an electric pressure cooker or an electric cooker but is not limited to the electric pressure cooker.

As shown in fig. 1 to 7, the cooking appliance includes a pot body 10, a pot cover 20, a pressure limiting valve 30, a lever element 40 and an exhaust push button 50, wherein the pot cover 20 is covered on the pot body 10, the pot cover 20 is provided with an exhaust passage 21, the pressure limiting valve 30 is provided at the exhaust passage 21, the lever element 40 is pivotably provided on the pot cover 20, a first end of the lever element 40 is located below the pressure limiting valve 30, a second end of the lever element 40 is an exhaust push end 41, and the exhaust push button 50 slides on a surface of the pot cover 20 and has an exhaust position and a sealing position on a sliding path thereof; when the exhaust push button 50 is in the exhaust position, the exhaust push button 50 presses the exhaust pressing end 41 to make the first end of the lever element 40 move upward and jack the pressure limiting valve 30 to release steam in the pot body 10, when the exhaust push button 50 is in the sealing position, the lever element 40 escapes from the exhaust pressing end 41, and the pressure limiting valve 30 seals the exhaust channel 21 under the action of self gravity.

By arranging the sliding exhaust push button 50 on the surface of the pot cover 20, the user can easily drive the exhaust push button 50 to reciprocate between the exhaust position and the sealing position only by pushing or pulling the exhaust push button 50, so as to jack up the pressure limiting valve 30 smoothly to release steam in the pot body 10, thereby realizing pressure relief of the cooking appliance. Moreover, the exhaust push button 50 reciprocates between the exhaust position and the sealing position without the aid of force applied by an external elastic element, so that the risk that the exhaust push button 50 is stuck or cannot be normally reset is reduced, the mechanism complexity of the jacking pressure limiting valve 30 is simplified, the increase of the overall processing and manufacturing cost of the cooking appliance is reduced, and the market competitiveness of the cooking appliance is favorably improved.

In addition, what should be mentioned is that, the exhaust mode that the exhaust pushing button 50 is pushed to jack the pressure limiting valve 30 provided by the application, the exhaust pushing button 50 does not occupy too large space, so that the overall size of the pot cover 20 is not affected, and the miniaturization and the exquisite design of the cooking utensil are facilitated.

In the illustrated embodiment of the present application, as shown in fig. 4 to 7, the pot lid 20 includes a pot lid body 22 and a face cover 23, the face cover 23 covers the pot lid body 22, the lever member 40 is connected to the pot lid body 22 or the face cover 23 and is located between the pot lid body 22 and the face cover 23, a long sliding hole 231 is formed in the face cover 23, the exhaust push button 50 is disposed on the face cover 23 and slides along a length direction of the long sliding hole 231, and a portion of the exhaust push button 50 extends into the long sliding hole 231 for pressing the lever member 40. Thus, the long sliding hole 231 guides the exhaust push button 50, and the wall surfaces at both ends in the longitudinal direction of the long sliding hole 231 can also limit the sliding of the exhaust push button 50. And the lever element 40 is selectively connected with the pot cover body 22 or the face cover 23, so that the flexibility of the arrangement of the lever element 40 is improved.

As shown in fig. 2 to 8, specifically, the surface cover 23 is provided with a limiting groove 232, the sliding long hole 231 is located on the groove bottom wall of the limiting groove 232, and the exhaust push button 50 includes a push plate 51 and a pressing arm 52, wherein the push plate 51 is disposed in the limiting groove 232 and slides along the length direction of the sliding long hole 231, a first end of the pressing arm 52 is connected with the push plate 51, and a second end of the pressing arm 52 extends into the sliding long hole 231 to serve as a pressing end for pressing the lever element 40. The groove wall of the limiting groove 232 further plays a role in limiting the sliding of the exhaust push button 50, so that the exhaust push button 50 is prevented from being separated from the limiting groove 232, the exhaust push button 50 is protected, and the push plate 51 is prevented from being worn.

Since the exhaust push button 50 includes the push plate 51 and the pressing arm 52, the pressing arm 52 moves simultaneously when the user pushes the push plate 51 to slide in the limiting groove 232, and the pressing end of the pressing arm 52 completes the process of pressing the lever member 40 when the exhaust push button 50 moves from the sealing position to the exhaust position, so that the exhaust pressing end 41 of the lever member 40 moves downward, and the first end of the lever member 40 moves upward to jack up the pressure limiting valve 30.

Optionally, in order to facilitate the user to push the exhaust push button 50, the upper surface of the push plate 51 is provided with a plurality of anti-slip ribs 512, and the plurality of anti-slip ribs 512 are arranged at intervals along the length direction of the push plate 51.

In the present embodiment, as shown in fig. 8, the pressing end is a pressing plane 521, and the cross-sectional area of the pressing arm 52 gradually decreases in a direction away from the pressing plane 521, so that the surface of the pressing arm 52 facing the lever element 40 includes the pressing plane 521 and the escape curved surface 522 connected to each other. Thus, the pressing end is the pressing plane 521, which is beneficial to increase the contact area of the pressing arm 52 and the lever element 40, and is beneficial to improving the stability of the rotation of the lever element 40; since the surface of the pressing arm 52 facing the lever element 40 includes the pressing plane 521 and the avoiding curved surface 522 which are connected, and the pressing plane 521 and the avoiding curved surface 522 are in smooth transition, the sliding change of the contact position of the pressing arm 52 and the lever element 40 is facilitated, and the pressing on the lever element 40 is smoothly realized.

As shown in fig. 8, in order to improve the stability of the exhaust push button 50 assembled on the pot cover 20 and prevent the exhaust push button 50 from coming off from the sliding long hole 231, the exhaust push button 50 further includes a catch 53, and the catch 53 is disposed on the pressing arm 52 and spaced apart from the push plate 51 to form an escape space 511 for engaging with the surface cover 23 between the push plate 51 and the catch 53. Thus, the evacuation space 511 is used to evacuate part of the surface cover 23, so that the exhaust push button 50 is stably clamped on the surface cover 23, and the exhaust push button 50 is prevented from coming off along the axial direction of the pot cover 20.

Alternatively, the catch 53 is a wedge-shaped catch that gradually decreases in cross-sectional area in a direction away from the pressing end of the lever element 40. The buckle 53 with such a structure facilitates the assembly between the exhaust push button 50 and the face cover 23, that is, the face cover 23 will be deformed continuously when the exhaust push button 50 is pressed into the sliding slot 231 along the axial direction of the pot cover 20 by an external force, and when the avoiding space 511 of the exhaust push button 50 moves a certain distance and a part of the face cover 23 enters the avoiding space 511, the assembly operation between the exhaust push button 50 and the face cover 23 is bent.

As shown in fig. 4 to 7 and 9, in order to facilitate the fitting with the exhaust push button 50 and ensure a low manufacturing cost of the lever member 40, a portion of the lever member 40 is protruded toward the exhaust push button 50 side to form a smoothly transitional convex structure, which forms the exhaust pressing end 41.

Specifically, as shown in fig. 3 and 9, the lever element 40 includes a jacking plate section 42 and a bending plate section 43 connected to each other, wherein the jacking plate section 42 is connected to the pot cover body 22, a protruding structure is formed on the bending plate section 43, a first included angle a is formed between the jacking plate section 42 and the bending plate section 43, the pressure limiting valve 30 and the long sliding hole 231 are arranged at an interval along the circumferential direction of the surface cover 23, a second included angle B is formed between a connecting line between end points of the pressure limiting valve 30 and the long sliding hole 231 on the side close to the sealing position of the exhaust push button 50 and the length direction of the long sliding hole 231, and the first included angle a is equal to the second included angle B.

The arrangement position relationship between the pressure limiting valve 30 and the long sliding hole 231 is considered to ensure that the cooker lid 20 has good aesthetic appearance after the long sliding hole 231 is arranged on the face cover 23 and the exhaust push button 50 is arranged at the long sliding hole 231, and the user can conveniently operate the exhaust push button 50; the lever element 40 includes a lift plate section 42 and a bent plate section 43 connected to each other to be adapted to the above-described positional relationship between the pressure limiting valve 30 and the long slide hole 231.

As shown in fig. 6 and 7, the cooking appliance further includes a switch element 60 and a warning element, wherein the switch element 60 is disposed on the lid 20, when the exhaust button 50 slides to the exhaust position, the exhaust button 50 triggers the switch element 60, and the switch element 60 controls the warning element to send a warning signal. Thus, the warning element plays a role in prompting the user, the user is prevented from forgetting to push the exhaust push button 50 back to the sealing position, and the practicability of the cooking appliance is further improved.

Alternatively, the switch element 60 is a microswitch and the warning signal is an audible warning signal, a vibratory warning signal or a light warning signal.

In an alternative embodiment of the present application, lid 20 is rotatably disposed on body 10 around the circumference of body 10 to achieve locking or unlocking between lid 20 and body 10, wherein lid body 22 of lid 20 includes a locking cover for snap-fit engagement with body 10.

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 example 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 is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

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. A cooking appliance, comprising:

a pan body (10);

the pot cover (20), the pot cover (20) is rotatably covered on the pot body (10), and an exhaust channel (21) is arranged on the pot cover (20);

a pressure limiting valve (30), the pressure limiting valve (30) being disposed at the exhaust passage (21);

a lever element (40), wherein the lever element (40) is pivotally arranged on the pot cover (20), a first end of the lever element (40) is positioned below the pressure limiting valve (30), and a second end of the lever element (40) is an exhaust pressing end (41);

an exhaust push button (50), the exhaust push button (50) sliding on the surface of the pot cover (20) and having an exhaust position and a sealing position on a sliding path thereof;

when the exhaust push button (50) is in the exhaust position, the exhaust push button (50) presses the exhaust pressing end (41) to enable the first end of the lever element (40) to move upwards and jack up the pressure limiting valve (30) to release steam in the pot body (10);

when the exhaust push button (50) is in the sealing position, the lever element (40) avoids the exhaust pressing end (41), and the pressure limiting valve (30) seals the exhaust channel (21) under the action of self gravity.

2. The cooking appliance according to claim 1, wherein the lid (20) comprises a lid body (22) and a face cover (23), the face cover (23) is covered on the lid body (22), the lever member (40) is connected with the lid body (22) or the face cover (23) and is located between the lid body (22) and the face cover (23), a long sliding hole (231) is opened on the face cover (23), the exhaust push button (50) is arranged on the face cover (23) and slides along a length direction of the long sliding hole (231), and a part of the exhaust push button (50) extends into the long sliding hole (231) to press the lever member (40).

3. The cooking utensil according to claim 2, wherein the surface cover (23) is provided with a limiting groove (232), the sliding long hole (231) is located on the groove bottom wall of the limiting groove (232), the exhaust push button (50) comprises a push plate (51) and a pressing arm (52), wherein the push plate (51) is arranged in the limiting groove (232) and slides along the length direction of the sliding long hole (231), the first end of the pressing arm (52) is connected with the push plate (51), and the second end of the pressing arm (52) extends into the sliding long hole (231) to serve as a pressing end for pressing the lever element (40).

4. The cooking appliance according to claim 3, wherein the pressing end is a pressing plane (521), and the cross-sectional area of the pressing arm (52) is gradually reduced in a direction away from the pressing plane (521), so that the surface of the pressing arm (52) facing the lever element (40) comprises the connected pressing plane (521) and an escape curved surface (522).

5. The cooking appliance according to claim 3, wherein the exhaust push button (50) further comprises a catch (53), the catch (53) is disposed on the pressing arm (52) and spaced apart from the push plate (51) to form an escape space (511) between the push plate (51) and the catch (53) for engaging with the face cover (23).

6. Cooking appliance according to claim 5, characterized in that the catch (53) is a wedge-shaped catch with a cross-sectional area that gradually decreases in a direction away from the pressing end of the lever element (40).

7. The cooking appliance according to claim 2, wherein a portion of the lever member (40) is convex toward a side of the exhaust push button (50) to form a smoothly transitional convex structure forming the exhaust pressing end (41).

8. The cooking utensil according to claim 7, wherein the lever element (40) comprises a jacking plate section (42) and a bending plate section (43) which are connected, wherein the jacking plate section (42) is connected with the pot cover body (22), the protruding structure is formed on the bending plate section (43), a first included angle A is formed between the jacking plate section (42) and the bending plate section (43), the pressure limiting valve (30) and the sliding long hole (231) are arranged at intervals along the circumferential direction of the surface cover (23), a connecting line between end points of the pressure limiting valve (30) and the sliding long hole (231) on the side close to the sealing position of the exhaust push button (50) forms a second included angle B with the length direction of the sliding long hole (231), and the first included angle A is equal to the second included angle B.

9. The cooking appliance according to claim 1, further comprising a switch element (60) and a warning element, wherein the switch element (60) is disposed on the lid (20), when the exhaust push button (50) slides to the exhaust position, the exhaust push button (50) triggers the switch element (60), and the switch element (60) controls the warning element to emit a warning signal.

10. Cooking appliance according to claim 9, characterized in that the switching element (60) is a microswitch and the warning signal is an acoustic warning signal, a vibration warning signal or a light warning signal.

11. The cooking appliance according to claim 2, wherein the cooking appliance is an electric pressure cooker, the cover (20) is rotatably arranged on the pot body (10) around the circumferential direction of the pot body (10), and the cover body (22) comprises a locking cover for clamping and matching with the pot body (10).