CN216822793U - Upper cover and cooking utensil with same - Google Patents

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 an exhaust pipe in a penetrating way; the anti-overflow assembly comprises an anti-blocking cover and an anti-overflow cover, the lower end of the exhaust pipe penetrates into a first cavity of the anti-overflow cover, the anti-blocking cover is covered at the cavity opening of the first cavity, and a second cavity is formed by the interval between the inner side wall of the anti-blocking cover and the outer side wall of the anti-overflow cover; the anti-overflow subassembly is still including being located the wall spare in the second cavity, and the anti-overflow chamber that separates the second cavity for the air inlet chamber and be located the below in air inlet chamber separates the spare, prevents being provided with on the lateral wall of stifled cover with the air inlet of air inlet chamber intercommunication, is provided with the first intercommunication mouth in intercommunication air inlet chamber and anti-overflow chamber on separating the spare, is provided with the second intercommunication mouth that communicates anti-overflow chamber and first cavity on the lateral wall of anti-overflow cover, and first intercommunication mouth sets up along the circumference interval of anti-overflow cover with the second intercommunication mouth. Through the technical scheme that this application provided, can solve the not good problem of anti-overflow effect among the correlation technique.

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 appliance with the upper cover.

Background

The electric pressure cooker can lead water to reach higher temperature without boiling by the principle that the boiling point of liquid is increased under higher air pressure so as to accelerate the efficiency of stewing and boiling food. However, after the cooking process is completed, when the gas is manually discharged, the slurry overflows above the pressure limiting valve, which affects the use of consumers and increases the difficulty of cleaning.

In the related art, the cover body of the electric pressure cooker is provided with an anti-blocking cover, a through hole for exhausting is arranged on the anti-blocking cover, and steam in the electric pressure cooker is exhausted through the through hole on the anti-blocking cover through an exhaust hole of an exhaust pipe.

However, the above structure has a problem that the anti-overflow effect is not good.

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 the anti-overflow effect in the related art is poor.

According to an aspect of the present invention, there is provided an upper cover, including: the cover body is provided with an exhaust pipe in a penetrating way, and the upper end of the exhaust pipe is provided with a pressure limiting valve; the anti-overflow assembly comprises an anti-blocking cover and an anti-overflow cover, the anti-overflow cover is provided with a first cavity with a downward opening, the lower end of the exhaust pipe penetrates into the first cavity, the anti-blocking cover is arranged at the cavity of the first cavity and surrounds the outer side of the anti-overflow cover, and a second cavity is formed by the interval between the inner side wall of the anti-blocking cover and the outer side wall of the anti-overflow cover; wherein, the anti-overflow subassembly is still including being located the wall spare in the second cavity, and the anti-overflow chamber that is the air inlet chamber and is located the below of air inlet chamber is cut off with the second cavity to the wall that cuts off the piece, prevents being provided with on the lateral wall of anti-blocking cover with the air inlet chamber intercommunication, is provided with the first intercommunication mouth in intercommunication air inlet chamber and anti-overflow chamber on the wall that cuts off, is provided with the second intercommunication mouth that communicates anti-overflow chamber and first cavity on the lateral wall of anti-overflow cover, and first intercommunication mouth sets up along the circumference interval of anti-overflow cover with the second intercommunication mouth.

By applying the technical scheme of the utility model, when the air is manually exhausted, steam in the pot enters the air inlet cavity through the air inlet on the side wall of the anti-blocking cover and enters the anti-overflow cavity through the first communication port, the steam in the anti-overflow cavity flows to the second communication port arranged at a distance from the first communication port and enters the first cavity from the second communication port, and high-pressure steam entering the first cavity is exhausted from the exhaust pipe. Therefore, during manual exhaust, the thick liquid is at first blocked by anti-blocking cover, then the exhaust in-process, and the thick liquid needs to have played the effect of choked flow buffering to the thick liquid through the circuitous long passageway that air inlet chamber, first intercommunication mouth, anti-overflow chamber, second intercommunication mouth, first cavity and blast pipe formed in proper order for the thick liquid can not be followed the blast pipe and discharged, and then the pressure limiting valve top can not deposit excessive thick liquid, and the anti-overflow effect strengthens.

Further, the partition part comprises an annular boss, the annular boss is arranged on the outer side wall of the anti-overflow cover along the circumferential direction of the anti-overflow cover, the outer edge of the annular boss is abutted to the inner side wall of the anti-blocking cover, and the first communication port is arranged on the annular boss. The outer side wall of the anti-overflow cover is provided with the annular boss to form the partition part, so that the anti-overflow cover has the advantages of simple structure and convenience in processing.

Further, the first communication port and the second communication port are respectively arranged on two opposite sides of the anti-overflow cover. Adopt above-mentioned structure setting, first intercommunication mouth and second intercommunication mouth are the farthest in the distance on the anti-overflow cover for high-pressure steam is longest from the circuitous route that the air inlet chamber passed through to first cavity, has further strengthened the effect of anti-overflow.

Furthermore, prevent stifled cover including first bounding wall and the bottom plate of setting at the lower extreme of first bounding wall, the lower terminal surface of anti-overflow cover and the upper surface looks butt of bottom plate, the outside border of annular boss and the inside wall looks butt of first bounding wall. By adopting the anti-blocking cover with the structure, the slurry in the pot can be prevented from entering the anti-blocking cover through the first enclosing plate and the bottom plate, and only high-pressure steam in the pot enters the air inlet cavity through the air inlet as far as possible.

Further, the anti-overflow cover includes the second bounding wall and sets up the roof in the upper end of second bounding wall, and the annular boss setting has the hole of dodging on the lateral wall of second bounding wall, roof, and the blast pipe is worn to locate and is dodged the hole. Adopt the anti-overflow cover of above-mentioned structure with prevent stifled cooperation of covering, enclose into the chamber of admitting air jointly through the inside wall of first bounding wall, the lateral wall of second bounding wall and the upper surface of annular boss, enclose into the anti-overflow chamber jointly through the inside wall of first bounding wall, the lateral wall of second bounding wall, the lower surface of annular boss and the upper surface of bottom plate.

Further, the area of the first communication port is 3mm²To 8mm²To (c) to (d); and/or the area of the second communication port is 3mm²To 8mm²In the meantime. By adopting the first communication port and the second communication port with the area ranges, the exhaust speed can be high during manual exhaust, and slurry cannot be discharged from the exhaust pipe through the exhaust channel. If the area of the first communicating opening and the second communicating opening is less than 3mm²The exhaust speed is reduced when the exhaust is performed manually. If the area of the first communicating opening and the second communicating opening is larger than 8mm²The slurry may be discharged from the exhaust pipe through the exhaust passage.

Further, the anti-overflow subassembly still includes lock nut, and lock nut and the lower extreme threaded connection of blast pipe, the anti-overflow cover presss from both sides and establishes between lid and lock nut. The anti-overflow cover is connected with the cover body through the locking nut and the exhaust pipe, and the anti-overflow cover has the advantages of simple connecting structure and convenience in installation.

Further, the anti-overflow subassembly still includes joint spare, and joint spare includes main part and a plurality of jack catch, and a plurality of jack catches set up along the circumference interval of main part, and the main part is worn to locate by the blast pipe, and the main part is located between the roof and the lid of anti-overflow cover, prevents that the upper end of blocking up the cover is provided with jack catch joint complex joint boss, and the joint boss extends along the circumference of preventing blocking up the cover. Through the joint cooperation of joint spare with prevent stifled cover, have the advantage of the dismouting of being convenient for, conveniently prevent the washing of stifled cover and anti-overflow cover.

Furthermore, the anti-overflow assembly also comprises an elastic cushion which is clamped between the upper surface of the anti-overflow cover and the lower surface of the main body, and the exhaust pipe penetrates through the elastic cushion; and/or, the anti-overflow subassembly still includes the sealing washer, and the sealing washer presss from both sides to be established between main part and the lid, and the sealing washer is worn to locate by the blast pipe. The resilience force of the elastic pad has the effect of preventing the threaded connection from loosening, so that the locking nut can be more tightly connected with the exhaust pipe. The sealing ring can prevent high-pressure steam and slurry in the pot from leaking through the gap between the cover body and the exhaust pipe, thereby ensuring the high-pressure environment in the pot, accelerating the stewing efficiency of food and avoiding slurry overflow.

According to another aspect of the present invention, there is provided a cooking appliance including: a pan body; the upper cover can be covered on the pot body in an opening and closing manner, and is the upper cover provided above. Use this cooking utensil, during manual exhaust, the thick liquid is at first blockked up the cover by preventing, then the exhaust in-process, and the thick liquid needs pass through the circuitous long passageway that admits air chamber, first intercommunication mouth, anti-overflow chamber, second intercommunication mouth, first cavity and blast pipe formed in proper order, has played the effect of choked flow buffering to the thick liquid for the thick liquid can not be followed the blast pipe and discharged, and then the pressure limiting valve top can not be deposited excessive thick liquid, and the anti-overflow effect strengthens.

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 schematic structural view of the overfill prevention shield of FIG. 1;

FIG. 3 is a schematic structural view of the anti-blocking cover in FIG. 1;

fig. 4 illustrates a cross-sectional view of a cooking appliance provided by an embodiment of the present invention;

fig. 5 shows a partial enlarged view at a in fig. 4.

Wherein the figures include the following reference numerals:

10. a cover body; 11. an exhaust pipe; 12. a pressure limiting valve;

20. an anti-spill assembly; 21. an anti-blocking cover; 211. an air inlet; 212. a first enclosing plate; 213. a base plate; 214. clamping the boss; 22. an anti-overflow cover; 221. a first cavity; 222. a second enclosing plate; 223. a top plate; 23. a second cavity; 231. an air inlet cavity; 232. an anti-overflow cavity; 24. a spacer; 241. a first communication port; 242. a second communication port; 243. an annular boss; 25. locking the nut; 26. a clamping piece; 261. a main body; 262. a claw; 27. a spring pad; 28. a seal ring;

30. A pot body.

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 and an anti-overflow assembly 20, wherein a vent pipe 11 is disposed through the cover body 10, a pressure limiting valve 12 is disposed at an upper end of the vent pipe 11, the anti-overflow assembly 20 includes an anti-blocking cover 21 and an anti-overflow cover 22, the anti-overflow cover 22 has a first cavity 221 with a downward opening, a lower end of the vent pipe 11 penetrates into the first cavity 221, the anti-blocking cover 21 is covered at a cavity of the first cavity 221 and surrounds an outer side of the anti-overflow cover 22, and a second cavity 23 is formed by an interval between an inner side wall of the anti-blocking cover 21 and an outer side wall of the anti-overflow cover 22. Wherein, the anti-overflow subassembly 20 is still including being located the partition piece 24 of second cavity 23, partition piece 24 cuts off second cavity 23 for intake chamber 231 and be located the anti-overflow chamber 232 of the below of intake chamber 231, be provided with the air inlet 211 with intake chamber 231 intercommunication on the lateral wall of anti-blocking cover 21, be provided with the first intercommunication mouth 241 of intercommunication intake chamber 231 and anti-overflow chamber 232 on the partition piece 24, be provided with the second intercommunication mouth 242 of intercommunication anti-overflow chamber 232 and first cavity 221 on the lateral wall of anti-overflow cover 22, first intercommunication mouth 241 sets up along the circumference interval of anti-overflow cover 22 with second intercommunication mouth 242.

By applying the technical scheme of the utility model, when manual air exhaust is performed, high-pressure steam in the pot enters the air inlet cavity 231 through the air inlet 211 on the side wall of the anti-blocking cover 21 and enters the anti-overflow cavity 232 through the first communication port 241, the high-pressure steam in the anti-overflow cavity 232 flows to the second communication port 242 arranged at an interval with the first communication port 241 and enters the first cavity 221 from the second communication port 242, and the high-pressure steam entering the first cavity 221 is exhausted from the exhaust pipe 11. Therefore, during manual exhaust, the slurry is firstly blocked by the anti-blocking cover 21, and then in the exhaust process, the slurry needs to sequentially pass through the circuitous long channel formed by the air inlet cavity 231, the first communication port 241, the anti-overflow cavity 232, the second communication port 242, the first cavity 221 and the exhaust pipe 11, so that the slurry is subjected to flow blocking and buffering, the slurry cannot be discharged from the exhaust pipe 11, the slurry cannot overflow above the pressure limiting valve 12, and the anti-overflow effect is enhanced.

In this embodiment, the upper end of the anti-blocking cover refers to the upper end of the anti-blocking cover in fig. 4, the upper end of the anti-overflow cover refers to the upper end of the anti-overflow cover in fig. 4, the lower end of the anti-blocking cover refers to the lower end of the anti-blocking cover in fig. 4, and the lower end of the anti-overflow cover refers to the lower end of the anti-overflow cover in fig. 4.

As shown in fig. 2 and 5, the partition 24 includes an annular projection 243, the annular projection 243 is disposed on the outer sidewall of the spill guard 22 along the circumferential direction of the spill guard 22, the outer edge of the annular projection 243 abuts against the inner sidewall of the block-proof cover 21, and the first communication opening 241 is disposed on the annular projection 243. The partition 24 is formed by arranging the annular boss 243 on the outer side wall of the spill-proof cover 22, so that the spill-proof cover has the advantages of simple structure and convenience in processing.

As shown in fig. 2, in the present embodiment, the first communication port 241 penetrates the inner edge and the outer edge of the annular projection 243.

As shown in fig. 2, the first communication port 241 and the second communication port 242 are provided on opposite sides of the spill-proof cover 22, respectively. With the above-mentioned structure, the first communication port 241 and the second communication port 242 are farthest away from the anti-overflow cover 22, so that the circuitous path that the high-pressure steam passes from the air inlet cavity 231 to the first cavity 221 is the longest, and the anti-overflow effect is further enhanced.

In the present embodiment, the first and second communication ports 241 and 242 are respectively disposed at opposite sides of the spill-preventing cover 22, meaning that a line connecting the centers of the first and second communication ports 241 and 242 passes through the axis of the spill-preventing cover 22.

As shown in fig. 3, the anti-blocking cover 21 includes a first enclosing plate 212 and a bottom plate 213 disposed at a lower end of the first enclosing plate 212, a lower end surface of the anti-overflow cover 22 abuts against an upper surface of the bottom plate 213, and an outer edge of the annular projection 243 abuts against an inner side wall of the first enclosing plate 212. With the anti-blocking cover 21 having the above structure, the slurry in the pan can be prevented from entering the anti-blocking cover 21 by the first enclosing plate 212 and the bottom plate 213, and only the high-pressure steam in the pan can enter the air inlet cavity 231 through the air inlet 211 as far as possible.

As shown in fig. 2, the anti-overflow cover 22 includes a second enclosing plate 222 and a top plate 223 disposed at the upper end of the second enclosing plate 222, the annular boss 243 is disposed on the outer sidewall of the second enclosing plate 222, the top plate 223 has an avoiding hole, and the exhaust pipe 11 penetrates through the avoiding hole. The anti-overflow cover 22 with the above structure is matched with the anti-blocking cover 21, the air inlet cavity 231 is defined by the inner side wall of the first enclosing plate 212, the outer side wall of the second enclosing plate 222 and the upper surface of the annular boss 243, and the anti-overflow cavity 232 is defined by the inner side wall of the first enclosing plate 212, the outer side wall of the second enclosing plate 222, the lower surface of the annular boss 243 and the upper surface of the bottom plate 213.

In this embodiment, the anti-overflow cover 22 is made of a silicone material, and the lower end surface of the anti-overflow cover 22 can abut against the upper surface of the bottom plate 213 and the outer edge of the annular boss 243 abuts against the inner side wall of the anti-blocking cover 21 due to the easy deformation of the silicone material.

The area of the first communication port 241 is 3mm²To 8mm²The area of the second communicating opening 242 is 3mm²To 8mm²In the meantime. With the first communication port 241 and the second communication port 242 having the above-described area ranges, the discharge speed can be increased during manual discharge, and the slurry can be prevented from being discharged from the discharge pipe 11 through the discharge passage. If the areas of the first and second communication ports 241 and 242 are less than 3mm ²The exhaust speed is reduced when the exhaust is performed manually. If the areas of the first and second communication ports 241 and 242 are larger than 8mm²The slurry may be discharged from the exhaust pipe 11 through the exhaust passage.

Wherein, the area of the first communication opening 241 may be 3mm²、4mm²、5mm²、6mm²、7mm²、8mm²And 3mm²To 8mm²The area of the second communication port 242 may be 3mm²、4mm²、5mm²、6mm²、7mm²、8mm²And 3mm²To 8mm²Any value in between.

As shown in fig. 1 and 5, the spill prevention assembly 20 further includes a lock nut 25, the lock nut 25 is threadedly coupled to the lower end of the exhaust pipe 11, and the spill prevention cover 22 is interposed between the cover body 10 and the lock nut 25. The anti-overflow cover 22 is connected to the cover body 10 through the lock nut 25 and the exhaust pipe 11, and has advantages of simple connection structure and easy installation.

In the present embodiment, the exhaust pipe 11 has a boss at its middle portion, the boss is fixed in contact in the cover 10, and the spill guard 22 is connected to the cover 10 by the boss at the middle portion and the lock nut 25 at the lower portion. The top wall of the spill guard 22 is located between the cover body 10 and the retaining nut 25.

As shown in fig. 1 and 5, the spill-proof assembly 20 further includes a clamping member 26, the clamping member 26 includes a main body 261 and a plurality of claws 262, the plurality of claws 262 are arranged along the circumferential interval of the main body 261, the exhaust pipe 11 is arranged through the main body 261, the main body 261 is located between the top wall of the spill-proof cover 22 and the cover body 10, the upper end of the spill-proof cover 21 is provided with a clamping boss 214 clamped with the claws 262, and the clamping boss 214 extends along the circumferential direction of the spill-proof cover 21. Through the joint cooperation of joint spare 26 and the joint of preventing stifled cover 21, have the advantage of the dismouting of being convenient for, conveniently prevent the washing of preventing stifled cover 21 and anti-overflow cover 22.

It should be noted that the main body 261 of the snap member 26 is located between the spill guard 22 and the cover 10, and is connected to the cover 10 by the screw-fitting of the vent pipe 11 and the lock nut 25.

In this embodiment, the claws 262 include a turning section and an operating section which are connected with each other, one end of the turning section is connected with the main body 261, the other end of the turning section is connected with the operating section, the operating section is located on one side of the turning section away from the anti-blocking cover 21, and the plurality of claws 262 have a contact position for pressing the anti-blocking cover 21 and a separation position for separating from the anti-blocking cover 21. By adopting the structure, the user can conveniently and directly grab the operation section for operation.

As shown in fig. 1 and 5, the spill prevention assembly 20 further includes a spring washer 27, the spring washer 27 is clamped between the upper surface of the spill prevention cover 22 and the lower surface of the main body 261, the vent pipe 11 is inserted through the spring washer 27, the resilience of the spring washer 27 has an effect of preventing the screw connection from being loosened, and the connection between the lock nut 25 and the vent pipe 11 can be further fastened. The spill prevention assembly 20 further includes a sealing ring 28, the sealing ring 28 is interposed between the main body 261 and the cover 10, and the vent pipe 11 is inserted through the sealing ring 28. The sealing ring 28 can prevent the high-pressure steam and the slurry in the pot from leaking through the gap between the cover body 10 and the exhaust pipe 11, thereby ensuring the high-pressure environment in the pot, accelerating the stewing efficiency of food and avoiding slurry overflow.

In another embodiment of the present invention, a cooking device is provided, which includes a pot 30 and an upper cover, wherein the upper cover is openably and closably disposed on the pot 30. By using the cooking utensil, during manual exhaust, the slurry is firstly blocked by the anti-blocking cover 21, and then in the exhaust process, the slurry needs to sequentially pass through the circuitous long channel formed by the air inlet cavity 231, the first communication port 241, the anti-overflow cavity 232, the second communication port 242, the first cavity 221 and the exhaust pipe 11, so that the slurry can be buffered in a flow-blocking manner, the slurry can not be discharged from the exhaust pipe 11, and further, the slurry overflow can not be stored above the pressure limiting valve 12, and the anti-overflow effect is enhanced.

In this embodiment, the cooking appliance comprises 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 it is 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 (10)

1. An upper cover, comprising:

the exhaust pipe cover comprises a cover body (10), wherein an exhaust pipe (11) penetrates through the cover body (10), and a pressure limiting valve (12) is arranged at the upper end of the exhaust pipe (11);

the anti-overflow device comprises an anti-overflow component (20), wherein the anti-overflow component (20) comprises an anti-blocking cover (21) and an anti-overflow cover (22), the anti-overflow cover (22) is provided with a first cavity (221) with a downward opening, the lower end of the exhaust pipe (11) penetrates into the first cavity (221), the anti-blocking cover (21) covers the cavity of the first cavity (221) and surrounds the outer side of the anti-overflow cover (22), and a second cavity (23) is formed by the interval between the inner side wall of the anti-blocking cover (21) and the outer side wall of the anti-overflow cover (22);

wherein, anti-overflow subassembly (20) still including being located cut off piece (24) in second cavity (23), cut off piece (24) will second cavity (23) cut off for intake chamber (231) and be located anti-overflow chamber (232) of the below of intake chamber (231), prevent being provided with on the lateral wall of stifled cover (21) with air inlet (211) of intake chamber (231) intercommunication, be provided with the intercommunication on cut off piece (24) intake chamber (231) with first intercommunication mouth (241) of anti-overflow chamber (232), be provided with the intercommunication on the lateral wall of anti-overflow cover (22) anti-overflow chamber (232) with second intercommunication mouth (242) of first cavity (221), first intercommunication mouth (241) with second intercommunication mouth (242) are followed the circumference interval of anti-overflow cover (22) sets up.

2. The upper cover according to claim 1, wherein the partition (24) comprises an annular boss (243), the annular boss (243) is disposed on an outer sidewall of the spill-proof cover (22) along a circumferential direction of the spill-proof cover (22), an outer edge of the annular boss (243) abuts against an inner sidewall of the spill-proof cover (21), and the first communication port (241) is disposed on the annular boss (243).

3. The upper cover according to claim 1, wherein the first communication port (241) and the second communication port (242) are respectively provided at opposite sides of the overflow preventing cover (22).

4. The upper cover according to claim 2, wherein the anti-blocking cover (21) comprises a first enclosing plate (212) and a bottom plate (213) arranged at the lower end of the first enclosing plate (212), the lower end surface of the anti-blocking cover (22) abuts against the upper surface of the bottom plate (213), and the outer edge of the annular boss (243) abuts against the inner side wall of the first enclosing plate (212).

5. The upper cover according to claim 2, wherein the spill-proof cover (22) comprises a second enclosing plate (222) and a top plate (223) arranged at the upper end of the second enclosing plate (222), the annular boss (243) is arranged on the outer side wall of the second enclosing plate (222), the top plate (223) is provided with an avoiding hole, and the exhaust pipe (11) penetrates through the avoiding hole.

6. The overcap of claim 1,

the area of the first communication port (241) is 3mm²To 8mm²In the middle of; and/or the presence of a gas in the gas,

the area of the second communication port (242) is 3mm²To 8mm²In the meantime.

7. The upper cover according to claim 1, wherein the spill-proof assembly (20) further comprises a lock nut (25), the lock nut (25) is in threaded connection with the lower end of the vent pipe (11), and the spill-proof cover (22) is clamped between the cover body (10) and the lock nut (25).

8. The upper cover according to any one of claims 1 to 7, characterized in that, the anti-overflow assembly (20) further comprises a clamping member (26), the clamping member (26) comprises a main body (261) and a plurality of clamping jaws (262), the clamping jaws (262) are arranged along the circumferential interval of the main body (261), the exhaust pipe (11) is arranged in the main body (261) in a penetrating manner, the main body (261) is located between the top wall of the anti-overflow cover (22) and the cover body (10), the upper end of the anti-overflow cover (21) is provided with a clamping boss (214) which is clamped by the clamping jaws (262), and the clamping boss (214) is arranged along the circumferential extension of the anti-overflow cover (21).

9. The overcap of claim 8,

The anti-overflow assembly (20) further comprises an elastic pad (27), the elastic pad (27) is clamped between the upper surface of the anti-overflow cover (22) and the lower surface of the main body (261), and the exhaust pipe (11) penetrates through the elastic pad (27); and/or the presence of a gas in the atmosphere,

the anti-overflow assembly (20) further comprises a sealing ring (28), the sealing ring (28) is clamped between the main body (261) and the cover body (10), and the exhaust pipe (11) penetrates through the sealing ring (28).

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

a pan body (30);

the upper cover is arranged on the pot body (30) in an openable and closable manner, and the upper cover is as defined in any one of claims 1 to 9.

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