CN110623533A

CN110623533A - Cooking utensil

Info

Publication number: CN110623533A
Application number: CN201810645932.XA
Authority: CN
Inventors: 何国营; 丁金炬; 李建
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2018-06-21
Filing date: 2018-06-21
Publication date: 2019-12-31

Abstract

The present invention provides a cooking appliance, comprising: the pot body is used for containing food to be cooked; the pot cover is arranged on the pot body; the exhaust structure is arranged on the pot cover and has a first exhaust state and a second exhaust state which have different exhaust pressures; the operating piece is arranged on the pot cover and matched with the exhaust structure, the operating piece is provided with a first position and a second position, when the operating piece is positioned at the first position, the exhaust structure is in a first exhaust state, and when the operating piece is positioned at the second position, the exhaust structure is in a second exhaust state; a reset structure that applies a reset force to the operating member that moves from the second position to the first position; and the locking piece is arranged on the pot cover and is matched with the operating piece. The technical scheme of the invention solves the problems that the electric pressure cooker in the prior art can not realize continuous exhaust or non-pressure cooking and the user experience is poor.

Description

Cooking utensil

Technical Field

The invention relates to a cooking appliance, in particular to improvement of an exhaust structure of the cooking appliance.

Background

Electric pressure cookers are commonly used cooking appliances. Wherein, the cover of the electric pressure cooker is usually provided with a manual operation exhaust button, and when a user presses the operation button, the pressure limiting valve is jacked up and realizes exhaust. However, in the above configuration, if the user wants to perform the long-time exhaust, the user needs to press the exhaust button all the time, and the continuous long-time exhaust or the non-pressure cooking cannot be performed, and the user experience is poor.

Disclosure of Invention

The invention mainly aims to provide a cooking appliance to solve the problems that an electric pressure cooker in the prior art cannot realize continuous exhaust or non-pressure cooking and is poor in user experience.

In order to achieve the above object, the present invention provides a cooking appliance, comprising: the pot body is used for containing food to be cooked; the pot cover is arranged on the pot body; the exhaust structure is arranged on the pot cover and has a first exhaust state and a second exhaust state which have different exhaust pressures; the operating piece is arranged on the pot cover and matched with the exhaust structure, the operating piece is provided with a first position and a second position, when the operating piece is positioned at the first position, the exhaust structure is in a first exhaust state, and when the operating piece is positioned at the second position, the exhaust structure is in a second exhaust state; a reset structure that applies a reset force to the operating member that moves from the second position to the first position; the locking piece is arranged on the pot cover and matched with the operating piece, and the locking piece is provided with a locking position for keeping the operating piece at a first position and an avoiding position for enabling the operating piece to move from the first position to a second position.

Further, be provided with the mounting hole on the pot cover, the operating parts includes operating button, and operating button sets up in the mounting hole along the axially movable setting of mounting hole, and when operating button removed to the pot cover, operating button removed to the primary importance by the second place.

Further, the locking piece is rotatably arranged at the mounting hole, one of the locking piece and the operating button is provided with a pushing convex rib, the other one of the locking piece and the operating button is provided with a boss, and when the locking piece rotates, the pushing convex rib is abutted against the top surface of the boss and pushes the operating button to the first position from the second position.

Further, the boss is a plurality of, and a plurality of bosses set up along circumference interval, form between the adjacent boss and hold the breach, and the top pushes away the protruding muscle and is located and hold the breach in the time of, and operating button is in the second position, and when rotating the locking piece, the protruding muscle of top pushes away and deviates from and hold the breach and with the top surface butt of boss to with operating button by second position ejection to the first position.

Furthermore, a first guide surface is arranged on the side edge of the pushing convex rib, and a second guide surface is arranged on the side wall of the accommodating notch.

Further, the operating button comprises a cap body and an annular convex edge connected to the outer side wall of the cap body, and the boss is arranged on the surface of the annular convex edge facing the locking piece.

Further, the locking piece comprises a knob, a containing hole is formed in the middle of the knob, the cap body penetrates through the containing hole, and the pushing convex rib is arranged on the surface, facing the annular convex edge, of the knob.

Furthermore, a positioning groove is formed in the side wall of the mounting hole, a positioning hook is arranged on the side wall of the knob, and the positioning hook is embedded into the positioning groove.

Further, the pot cover includes the inside lining, sets up the face lid on the inside lining and sets up and cover the below and be located the inboard locking closure of inside lining at the face, and the mounting hole sets up on the face covers, and reset structure's one end and operating button butt, the other end and locking closure butt.

Further, the return structure is a spring.

Further, the cooking appliance further includes a transmission member disposed between the air discharge structure and the operation button.

Further, the transmission part is a lever, the middle part of the lever is pivotally arranged in the cooker cover, the operating button is matched with the first end of the lever, the second end of the lever is matched with the exhaust structure, and when the operating button moves from the second position to the first position, the operating button drives the lever to swing so that the exhaust structure is converted from the second exhaust state to the first exhaust state.

Furthermore, a first end of the lever is provided with a first pressure arm and a second pressure arm which are arranged at intervals, the operating button is arranged between the first pressure arm and the second pressure arm, a first protruding portion and a second protruding portion are arranged on the side wall of the operating button, the first protruding portion is located above the first pressure arm and is abutted to the first pressure arm, and the second protruding portion is located above the second pressure arm and is abutted to the second pressure arm.

Further, exhaust structure includes the body, and the body includes air inlet, first exhaust port and second exhaust port, and first exhaust port department sets up the pressure limiting structure, and second exhaust port department is provided with the switch structure, and the switch structure can be closed or opened the second exhaust port, and when the switch structure was opened, exhaust structure was in first exhaust state, and cooking utensil passes through the second exhaust port and exhausts, and when the switch structure closed, exhaust structure was in the second exhaust state, and cooking utensil exhausts through first exhaust port.

Further, the pipe body includes first pipe body and second pipe body, wherein, first pipe body is fixed to be set up on the pot cover, the second pipe body cover is established outside first pipe body and can be for first pipe body removal, the top of second pipe body forms first exhaust port, the top of second pipe body is provided with the pressure limiting valve, the pressure limiting valve forms the pressure limiting structure, the second end of lever and the cooperation of second pipe body, and can drive the second pipe body when the second end of lever swings and remove, wherein, the second exhaust port sets up on the lateral wall of second pipe body, the lateral wall of first pipe body forms switch structure, when exhaust structure is in first exhaust state, first pipe body and the dislocation of second exhaust port, when exhaust structure is in the second exhaust state, first pipe body shutoff second exhaust port.

By applying the technical scheme of the invention, when a user needs to make the exhaust structure continuously in the first exhaust state, the movable locking piece is in the locking position and the operating piece is kept in the first position. When the user needs to make the exhaust structure return to the second exhaust state, the movable locking piece is in the avoiding position, and the operating piece can return to the second position at the moment. When a user needs to enable the exhaust structure to be in the second exhaust state intermittently, the movable locking piece is in the avoiding position and the operating piece is operated manually. Therefore, the exhaust structure is in the second exhaust state or the first exhaust state all the time, and a user does not need to operate the operating piece all the time. Therefore, the technical scheme of the invention solves the problems that the electric pressure cooker in the prior art can not realize continuous exhaust or non-pressure cooking and the user experience is poor.

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 cross-sectional view of a pot cover of an embodiment of a cooking appliance according to the invention;

FIG. 2 shows an exploded view of the lid of the cooking appliance of FIG. 1;

FIG. 3 shows an enlarged schematic view at A in FIG. 2;

FIG. 4 is a schematic view of an operating member of the cooking appliance of FIG. 1;

FIG. 5 is a schematic view of the locking member of the cooking appliance of FIG. 1;

FIG. 6 is a schematic structural view of another perspective of the locking member of the cooking appliance of FIG. 1;

FIG. 7 is a schematic diagram of the transmission of the cooking appliance of FIG. 1;

FIG. 8 illustrates an exploded view of the venting structure of the cooking appliance of FIG. 1;

FIG. 9 is a schematic diagram of the venting arrangement of the cooking appliance of FIG. 1 in a first venting state; and

fig. 10 is a schematic structural view illustrating a venting structure of the cooking appliance of fig. 1 in a second venting state.

Wherein the figures include the following reference numerals:

20. a pot cover; 21. mounting holes; 211. positioning a groove; 22. a liner; 23. a face cover; 24. a locking cover; 30. an exhaust structure; 31. an air inlet; 32. a first exhaust port; 33. a second exhaust port; 34. a voltage limiting structure; 35. a first pipe body; 36. a second tube body; 40. an operating member; 41. an operation button; 411. a cap body; 412. an annular flange; 413. a first projecting portion; 414. a second projection; 50. a locking member; 51. a knob; 511. an accommodation hole; 512. a positioning hook; 60. pushing the convex ribs; 61. a first guide surface; 70. a boss; 80. an accommodation notch; 81. a second guide surface; 90. a reset structure; 100. a transmission member; 101. a first press arm; 102. a second press arm.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application, 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 application.

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.

As shown in fig. 1, the cooking appliance of the present embodiment includes a pot body, a pot cover 20, a venting structure 30, an operating member 40, a returning structure 90, and a locking member 50. Wherein, the pot body is used for containing the food to be cooked. The pot cover 20 is arranged on the pot body. The exhaust structure 30 is provided on the pot cover 20, and the exhaust structure 30 has a first exhaust state and a second exhaust state having different exhaust pressures. The operating member 40 is disposed on the lid 20 and cooperates with the exhaust structure 30, and the operating member 40 has a first position and a second position. When the operating member 40 is in the first position, the exhaust structure 30 is in the first exhaust state, and when the operating member 40 is in the second position, the exhaust structure 30 is in the second exhaust state. The reset structure 90 applies a reset force to the operating member 40 that moves from the second position to the first position. The locking member 50 is provided on the lid 20 and cooperates with the operating member 40, and the locking member 50 has a locking position that holds the operating member 40 in the first position and an escape position that enables the operating member 40 to move from the first position to the second position.

With the solution of the present embodiment, when the user needs to keep the exhaust structure 30 in the first exhaust state, the movable locking member 50 is in the locking position and keeps the operating member 40 in the first position. When the user needs to return the venting structure 30 to the second venting state, the movable locking member 50 is in the escape position, and the operating member 40 can return to the second position. When the user needs to intermittently place the exhaust structure 30 in the second exhaust state, the movable locking member 50 is placed in the escape position and the operating member 40 is manually operated. The above structure thus allows the exhaust structure 30 to be in the second exhaust state or always in the first exhaust state without the user having to operate the operation member all the time. Therefore, the technical scheme of the embodiment solves the problems that the electric pressure cooker in the prior art cannot realize continuous exhaust or non-pressure cooking and the user experience is poor.

It should be noted that, in the present embodiment, the exhaust pressure of the first exhaust state of the exhaust structure 30 is smaller than the second exhaust pressure. And further, the first exhaust state of the exhaust structure 30 is a non-pressure cooking state, and the second exhaust state of the exhaust structure 30 is a pressure cooking state.

As shown in fig. 2 and 3, the lid 20 is provided with a mounting hole 21, the operating member 40 includes an operating button 41, the operating button 41 is movably disposed in the mounting hole 21 along the axial direction of the mounting hole 21, and when the operating button 41 moves into the lid 20, the operating button 41 moves from the second position to the first position. Specifically, when the user presses the operation button 41, the operation button 41 is moved from the second position to the first position, that is, the exhaust structure 30 is switched from the second exhaust state to the first exhaust state, so that the exhaust structure 30 is switched from the pressure cooking mode to the non-pressure cooking mode.

As shown in fig. 2 to 5, in the solution of the present embodiment, the locking member 50 is rotatably provided at the mounting hole 21. One of the locking member 50 and the operation button 41 is provided with a pushing rib 60, and the other is provided with a boss 70, when the locking member 50 rotates, the pushing rib 60 abuts against the top surface of the boss 70 and pushes the operation button 41 from the second position to the first position. Specifically, the locking member 50 is rotatable between a locking position and an avoidance position. When the locking member 50 is in the retracted position, the urging rib 60 and the boss 70 are displaced from each other, and the operating button 41 is freely movable between the first position and the second position. When the locking member 50 is rotated to the locking position, the urging rib 60 and the boss 70 are abutted and engaged with each other, and the position of the operation button 41 is fixed at the first position.

As shown in fig. 4 to 6, in the solution of the present embodiment, there are a plurality of bosses 70, and the plurality of bosses 70 are arranged at intervals in the circumferential direction. Receiving gaps 80 are formed between adjacent bosses 70. When the pushing rib 60 is located in the receiving notch 80, the operating button 41 is located at the second position. When the locking member 50 is rotated, the pushing rib 60 is disengaged from the receiving notch 80 and abuts against the top surface of the boss 70, so as to push the operation button 41 from the second position to the first position. Further, when the locking member 50 is in the avoiding position, the pushing rib 60 is located in the accommodating notch 80, and the pushing rib 60 is not engaged with the boss 70. When the locking member 50 is rotated to the locking position, the urging rib 60 abuts against the boss 70 and fixes the operation button 41 at the first position.

As shown in fig. 4 to fig. 6, in the technical solution of this embodiment, a first guiding surface 61 is disposed on a side of the pushing rib 60, and a second guiding surface 81 is disposed on a side wall of the receiving notch 80. Specifically, when the locking member 50 is rotated, the first guide surface 61 and the second guide surface 81 can exert a guide effect so that the urging rib 60 can slide onto the top surface of the boss 70. The above structure can prevent the pushing rib 60 and the boss 70 from being locked with each other when the locking member 50 rotates.

As shown in fig. 4, in the present embodiment, the operation button 41 includes a cap 411 and an annular flange 412 connected to an outer side wall of the cap 411, and the boss 70 is disposed on a surface of the annular flange 412 facing the locking member 50. Specifically, an annular flange 412 is coupled to a lower portion of the cap body 411, and an upper surface of the annular flange 412 forms a space in which the boss 70 is disposed.

As shown in fig. 5 and 6, in the solution of the present embodiment, the locking member 50 includes a knob 51, a receiving hole 511 is provided in a middle portion of the knob 51, the cap body 411 passes through the receiving hole 511, and the pushing rib 60 is provided on a surface of the knob 51 facing the annular convex edge 412. Specifically, the cap 411 passes upward through the receiving hole 511, that is, the cap 411 may be pressed by a user to operate the operation button 41.

As shown in fig. 3, 5 and 6, in the technical solution of the present embodiment, a positioning groove 211 is disposed on a side wall of the mounting hole 21, a positioning hook 512 is disposed on a side wall of the knob 51, and the positioning hook 512 is embedded into the positioning groove 211. Specifically, the positioning groove 211 can restrict the position of the knob 51 in the up-down direction and prevent the knob 51 from coming out of the mounting hole 21. Meanwhile, the size of the positioning groove 211 in the circumferential direction is greater than the width of the hook portion of the positioning hook 512, thereby ensuring that the knob 51 can be rotated.

The pot cover 20 includes an inner liner 22, a surface cover 23 disposed on the inner liner 22, and a locking cover 24 disposed below the surface cover 23 and located inside the inner liner 22, the mounting hole 21 is disposed on the surface cover 23, one end of the reset structure 90 abuts against the operating button 41, and the other end abuts against the locking cover 24.

As shown in fig. 1 and 2, in the solution of the present embodiment, the return structure 90 is a spring. Specifically, the spring applies an upward elastic force to the operation button 41. That is, when the locking member 50 is in the retracted position, if the user does not press the operation button 41, the operation button 41 is held at the second position by the elastic force, and the vent structure 30 is held in the second vent state.

As shown in fig. 7, in the present embodiment, the cooking appliance further includes a transmission member 100 disposed between the air discharge structure 30 and the operation button 41. Specifically, the transmission member 100 can transmit the up-and-down movement of the operation button 41 to the air exhausting structure 30.

As shown in fig. 7, in the solution of the present embodiment, the transmission member 100 is a lever. The middle part of the lever is pivotally arranged in the cooker cover 20, the operating button 41 is matched with the first end of the lever, the second end of the lever is matched with the exhaust structure 30, and when the operating button 41 moves from the second position to the first position, the operating button 41 drives the lever to swing, so that the exhaust structure 30 is converted from the second exhaust state to the first exhaust state. Of course, the transmission member 100 may have other conventional transmission structures.

As shown in fig. 7, in the solution of the present embodiment, a first end of the lever is provided with a first pressing arm 101 and a second pressing arm 102 which are arranged at an interval, and the operation button 41 is arranged between the first pressing arm 101 and the second pressing arm 102. The side wall of the operation button 41 is provided with a first protrusion 413 and a second protrusion 414, the first protrusion 413 is located above the first pressure arm 101 and abuts against the first pressure arm 101, and the second protrusion 414 is located above the second pressure arm 102 and abuts against the second pressure arm 102. The first pressure arm 101 and the second pressure arm 102 described above form a bifurcated structure. Specifically, the first protrusion 413 and the second protrusion 414 described above are provided on the annular rim 412. The above structure enables the first end of the lever to smoothly move downward when the user presses the operation button 41 downward, and prevents the lever from being pressed askew.

As shown in fig. 8 to 10, in the present embodiment, the exhaust structure 30 includes a pipe body, and the pipe body includes an air inlet 31, a first exhaust port 32, and a second exhaust port 33. The first exhaust port 32 is provided with a pressure limiting structure 34, and the second exhaust port 33 is provided with a switch structure which can close or open the second exhaust port 33. When the switch structure is opened, the exhaust structure 30 is in the first exhaust state, the cooking utensil exhausts through the second exhaust port 33, and when the switch structure is closed, the exhaust structure 30 is in the second exhaust state, and the cooking utensil exhausts through the first exhaust port 32.

As shown in fig. 8 to 10, in the present embodiment, the tube includes a first tube 35 and a second tube 36. The first tube 35 is fixedly disposed on the lid 20, and the second tube 36 is sleeved outside the first tube 35 and can move relative to the first tube 35. The top end of the second tube 36 forms the first exhaust port 32, and the top end of the second tube 36 is provided with a pressure limiting valve, which forms the pressure limiting structure 34. The second end of the lever engages the second body 36 and is capable of driving the second body 36 in translation when the second end of the lever is swung. The second exhaust port 33 is disposed on an outer side wall of the second tube 36, a side wall of the first tube 35 forms a switch structure, when the exhaust structure 30 is in the first exhaust state, the first tube 35 and the second exhaust port 33 are staggered, and when the exhaust structure 30 is in the second exhaust state, the first tube 35 blocks the second exhaust port 33.

As can be seen from fig. 9, when the operating button 41 is in the first position (depressed position), the second end of the lever swings upward and pushes the second tubular body 36 to move upward. The exhaust structure 30 is now in a first exhaust state. The second exhaust port 33 is opened and the exhaust structure 30 realizes pressureless cooking. As can be seen from fig. 10, when the operating button 41 is in the second position (reset up), the second end of the lever swings down and does not act on the second tubular body 36. The exhaust structure 30 is now in the second exhaust state. The second tubular body 36 moves downward under the restoring force of the internal spring. At the moment, the second air outlet 33 is blocked, the air outlet structure 30 exhausts air through the first air outlet 32, and pressure cooking is realized under the action of a pressure limiting valve.

Preferably, the cooking appliance in the embodiment is an electric pressure cooker, that is, a heating device is arranged in the cooker body, and the heating device can be a heating plate. Of course, the cooking device in this embodiment may also be an open fire pressure cooker, that is, the corresponding heating device is not disposed in the cooker body.

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 application 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 application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; 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 protection of the present application is not to 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. A cooking appliance, comprising:

the pot body is used for containing food to be cooked, and a heating device is arranged in the pot body;

the pot cover (20), the pot cover (20) is arranged on the pot body;

the exhaust structure (30) is arranged on the pot cover (20), and the exhaust structure (30) has a first exhaust state and a second exhaust state which have different exhaust pressures;

the operating element (40) is arranged on the pot cover (20) and is matched with the exhaust structure (30), the operating element (40) has a first position and a second position, when the operating element (40) is located at the first position, the exhaust structure (30) is in a first exhaust state, and when the operating element (40) is located at the second position, the exhaust structure (30) is in a second exhaust state;

a reset structure (90), the reset structure (90) applying a reset force to the operating member (40) that moves from the second position to the first position;

and the locking piece (50) is arranged on the pot cover (20) and is matched with the operating piece (40), and the locking piece (50) has a locking position for keeping the operating piece (40) at the first position and an avoiding position for enabling the operating piece (40) to move from the first position to the second position.

2. The cooking appliance according to claim 1, wherein the pot cover (20) is provided with a mounting hole (21), the operating member (40) comprises an operating button (41), the operating button (41) is movably disposed in the mounting hole (21) along an axial direction of the mounting hole (21), and the operating button (41) moves from the second position to the first position when the operating button (41) moves into the pot cover (20).

3. The cooking appliance according to claim 2, wherein the locking member (50) is rotatably disposed at the mounting hole (21), one of the locking member (50) and the operation button (41) is provided with an urging rib (60), and the other is provided with a boss (70), and when the locking member (50) is rotated, the urging rib (60) abuts against a top surface of the boss (70) and urges the operation button (41) from the second position to the first position.

4. The cooking utensil of claim 3, wherein the plurality of bosses (70) are provided, the plurality of bosses (70) are circumferentially spaced apart from each other, a receiving gap (80) is formed between adjacent bosses (70), the operating button (41) is located at the second position when the pushing rib (60) is located in the receiving gap (80), and the pushing rib (60) is disengaged from the receiving gap (80) and abuts against the top surface of the boss (70) when the locking member (50) is rotated, so as to push the operating button (41) from the second position to the first position.

5. The cooking appliance according to claim 4, wherein the pushing rib (60) is provided with a first guide surface (61) on a side edge thereof, and the receiving notch (80) is provided with a second guide surface (81) on a side wall thereof.

6. The cooking appliance according to claim 3, wherein the operation button (41) comprises a cap body (411) and an annular rim (412) connected to an outer side wall of the cap body (411), the boss (70) being provided on a surface of the annular rim (412) facing the locking member (50).

7. The cooking appliance according to claim 6, wherein the locking member (50) comprises a knob (51), a receiving hole (511) is provided in a middle portion of the knob (51), the cap body (411) passes through the receiving hole (511), and the pushing rib (60) is provided on a surface of the knob (51) facing the annular flange (412).

8. The cooking appliance according to claim 7, wherein a positioning groove (211) is provided on a side wall of the mounting hole (21), and a positioning hook (512) is provided on a side wall of the knob (51), wherein the positioning hook (512) is embedded into the positioning groove (211).

9. The cooking appliance according to claim 2, wherein the pot cover (20) comprises a lining (22), a face cover (23) arranged on the lining (22), and a lock cover (24) arranged below the face cover (23) and located inside the lining (22), the mounting hole (21) is arranged on the face cover (23), and one end of the reset structure (90) abuts against the operating button (41) and the other end abuts against the lock cover (24).

10. The cooking appliance according to claim 1 or 9, wherein the return structure (90) is a spring.

11. The cooking appliance according to claim 2, further comprising a transmission (100) disposed between the venting structure (30) and the operating button (41).

12. The cooking appliance according to claim 11, wherein the transmission member (100) is a lever, a middle portion of the lever is pivotally disposed in the pot cover (20), the operation button (41) is engaged with a first end of the lever, a second end of the lever is engaged with the exhaust structure (30), and when the operation button (41) moves from the second position to the first position, the operation button (41) drives the lever to swing so as to convert the exhaust structure (30) from the second exhaust state to the first exhaust state.

13. The cooking appliance according to claim 12, wherein the first end of the lever is provided with a first pressing arm (101) and a second pressing arm (102) which are arranged at intervals, the operating button (41) is arranged between the first pressing arm (101) and the second pressing arm (102), a side wall of the operating button (41) is provided with a first protruding part (413) and a second protruding part (414), the first protruding part (413) is positioned above the first pressing arm (101) and is abutted with the first pressing arm (101), and the second protruding part (414) is positioned above the second pressing arm (102) and is abutted with the second pressing arm (102).

14. The cooking appliance according to claim 12, wherein the exhaust structure (30) comprises a tube body, the tube body comprises an air inlet (31), a first exhaust port (32) and a second exhaust port (33), a pressure limiting structure (34) is arranged at the first exhaust port (32), a switch structure is arranged at the second exhaust port (33), the switch structure can close or open the second exhaust port (33), when the switch structure is opened, the exhaust structure (30) is in the first exhaust state, the cooking appliance exhausts air through the second exhaust port (33), when the switch structure is closed, the exhaust structure (30) is in the second exhaust state, and the cooking appliance exhausts air through the first exhaust port (32).

15. The cooking appliance according to claim 14, wherein the tube comprises a first tube (35) and a second tube (36), wherein the first tube (35) is fixedly arranged on the lid (20), the second tube (36) is sleeved outside the first tube (35) and can move relative to the first tube (35), the top end of the second tube (36) forms the first exhaust opening (32), the top end of the second tube (36) is provided with a pressure limiting valve, the pressure limiting valve forms the pressure limiting structure (34), the second end of the lever is matched with the second tube (36), and the second end of the lever can drive the second tube (36) to move when swinging,

the second exhaust port (33) is formed in the outer side wall of the second pipe body (36), the side wall of the first pipe body (35) forms the switch structure, when the exhaust structure (30) is in the first exhaust state, the first pipe body (35) and the second exhaust port (33) are staggered, and when the exhaust structure (30) is in the second exhaust state, the first pipe body (35) blocks the second exhaust port (33).