CN219070003U - Bowl cover subassembly, cup subassembly and cooking machine - Google Patents

Abstract

The application provides a bowl cover subassembly, cup subassembly and cooking machine, bowl cover subassembly includes: the cup cover comprises a cover body and a flange extending from the cover body, and the flange is provided with a pressure relief opening; the pressure release mechanism is matched with the flange and is provided with a first state and a second state, the pressure release mechanism is used for plugging the pressure release opening in the first state, and the pressure release mechanism is used for opening the pressure release opening in the second state and can be switched from the first state to the second state when acting force is applied to the pressure release mechanism outside the flange. This application is through setting up the pressure release mouth in the flange, with relief mechanism and flange cooperation installation, can not occupy the inboard middle part space of flange, when the flange outside applys effort to relief mechanism, the inboard middle part space of flange can provide sufficient space for the flow of steam, promotes steam to the discharge of pressure release mouth for the pressure release process is more smooth and easy, improves the pressure release efficiency of steam.

Description

Bowl cover subassembly, cup subassembly and cooking machine

Technical Field

The application relates to the technical field of household appliances, in particular to a cup cover assembly, a cup body assembly and a cooking machine.

Background

The cooking machine is at the in-process of heating edible material, and the inner space of cup can produce more steam, and this steam needs to be discharged to the external world to cause the scald because steam is too much when opening the bowl cover. The pressure release mechanism of the existing part of food processor can release pressure, but still has unsmooth steam exhaust, so that steam cannot be discharged in time.

Disclosure of Invention

In view of this, this application provides a bowl cover subassembly, cup subassembly and cooking machine, can make the pressure release process more smooth and easy, improves the discharge efficiency of steam.

Specifically, the application is realized by the following technical scheme:

in one aspect, the present application provides a cap assembly comprising:

the cup cover comprises a cover body and a flange extending from the cover body, and the flange is provided with a pressure relief opening;

the pressure relief mechanism is installed in a matched mode with the flange, the pressure relief mechanism is provided with a first state and a second state, the pressure relief mechanism is used for plugging the pressure relief opening in the first state, the pressure relief mechanism is used for opening the pressure relief opening in the second state, and when acting force is applied to the pressure relief mechanism outside the flange, the pressure relief mechanism can be switched from the first state to the second state. So, through setting up the pressure release mouth in the flange, with relief mechanism and flange cooperation installation, can not occupy the inboard middle part space of flange, when the flange outside applys effort to relief mechanism, the inboard middle part space of flange can provide sufficient space for the flow of steam, promotes steam to the discharge of pressure release mouth for the pressure release process is more smooth and easy, improves the pressure release efficiency of steam.

Optionally, the pressure release mechanism comprises a pressure release valve and an elastic piece, the pressure release valve is arranged on the flange in a penetrating way, and two ends of the elastic piece are respectively connected with the cup cover and the pressure release valve;

under the first state, the pressure relief valve plugs the pressure relief opening under the action of the elastic force of the elastic piece, and under the second state, the pressure relief valve opens the pressure relief opening. Therefore, through the cooperation of the elastic piece and the pressure relief valve, the pressure relief valve can automatically reset to seal the pressure relief opening under the action of the elastic force of the elastic piece, and the operation is simple.

Optionally, the pressure relief valve comprises a first valve body and a second valve body;

the first valve body comprises a sealing part positioned at the inner side of the flange and an extending part penetrating through the flange, and the sealing part can seal or open the pressure relief opening;

the second valve body is connected with the extension part at the outer side of the flange, and two ends of the elastic piece are respectively connected or abutted with the flange and the second valve body. Thus, the second valve body can form effective limit in the process of moving the first valve body to the inner side of the flange, and the moving path of the first valve body is limited.

Optionally, the pressure release valve further comprises a pressure release valve sealing ring which is arranged on the sealing part and is used for sealing the pressure release opening. Therefore, the sealing performance in plugging the pressure relief opening can be further improved.

Optionally, the flange includes the radial inward concave groove of dodging that establishes, the pressure release mouth set up in dodge the inboard cell wall in groove, pressure release mechanism install in inboard cell wall. Therefore, the installation space occupying the outer side of the flange can be reduced, and the structure of the cup cover assembly is more compact.

Optionally, the cup cover further comprises an exhaust groove, wherein the exhaust groove is arranged on the cover body, one end of the exhaust groove is communicated with the inner space of the avoidance groove, and the other end of the exhaust groove penetrates through the outer side wall of the cover body and is communicated with the outside. Therefore, when the flange of the cup cover stretches into the cup body, steam in the cup body firstly enters the inner space of the avoidance groove from the pressure relief opening, and then is discharged to the outside through the exhaust groove.

Another aspect of the present application also provides a cup assembly comprising:

the cup body is provided with an opening, a boss is arranged at the position, close to the opening, of the cup body, and the boss is convexly arranged on the inner wall of the cup body;

the cup cover assembly is covered on the cup body, and the pressure relief opening is communicated with the inner space of the cup body; when the cup cover assembly rotates to a preset position relative to the cup body, the boss can apply an acting force to the pressure release mechanism, so that the pressure release mechanism is switched from the first state to the second state. Therefore, the pressure release operation can be completed in the process of rotating the cup cover, and scalding caused by the fact that a user forgets to release pressure between the opening of the cup cover is avoided.

Optionally, in the second state, a pressure relief channel is formed between the flange and the pressure relief mechanism, and the pressure relief channel is communicated with the pressure relief opening;

the width of the boss extending along the radial direction of the cup body is larger than or equal to the width of the pressure relief channel extending along the radial direction of the cup body. Therefore, when the boss offsets with the pressure release mechanism, the pressure release channel can be guaranteed to be completely opened, so that steam can be timely discharged and discharged more thoroughly.

Optionally, the boss is an arc-shaped boss extending along the circumferential direction of the cup body, and a guide inclined plane is arranged at the end part of the arc-shaped boss. Thus, the pressure relief assembly is convenient to guide to move to be abutted with the boss.

Optionally, the boss is two arc-shaped bulges extending along the circumferential direction of the cup body and arranged at intervals, and the two arc-shaped bulges are provided with guide inclined planes at the end parts facing each other. Therefore, the pressure release mechanism is positioned between the two guide inclined planes in the first state, and the cup cover assembly can be switched from the first state to the second state when rotating in any direction so as to open the pressure release opening.

Optionally, the cup cover assembly further includes a cup cover sealing ring disposed on the flange, the cup cover sealing ring and the cup body are abutted to form a seal, and the pressure release mechanism is disposed between the cup cover sealing ring and the opening. In this way, the venting of steam from the pressure relief vent can be facilitated.

Still another aspect of the present application provides a food processor, including the host computer with set up in any one of the above cup subassembly on the host computer.

The technical scheme that this application provided can reach following beneficial effect:

the application provides a bowl cover subassembly, cup subassembly and cooking machine, bowl cover subassembly include bowl cover and relief mechanism, the bowl cover include the lid body and from the flange that the lid body stretches out, the flange is equipped with the pressure release mouth, and relief mechanism and flange cooperation installation when exerting effort to relief mechanism in the flange outside, relief mechanism can open the pressure release mouth. Through setting up the pressure release mouth in the flange, with relief mechanism and flange cooperation installation, can not occupy the inboard middle part space of flange, when the flange outside applys effort to relief mechanism, the inboard middle part space of flange can provide sufficient space for the flow of steam, promotes steam to the discharge of pressure release mouth for the pressure release process is more smooth and easy, improves the pressure release efficiency of steam.

Drawings

Fig. 1 is a cross-sectional view of a food processor in which a pressure relief mechanism is in a first state, as illustrated in an exemplary embodiment of the present application.

Fig. 2 is an enlarged schematic view of the food processor shown in fig. 1 at a.

Fig. 3 is a cross-sectional view of the food processor shown in an exemplary embodiment of the present application in a second state of the pressure relief mechanism.

Fig. 4 is an enlarged schematic view of the food processor shown in fig. 3 at B.

Fig. 5 is a cross-sectional view of a cap assembly shown in an exemplary embodiment of the present application.

Fig. 6 is a schematic view of a cap assembly according to an exemplary embodiment of the present application.

Fig. 7 is a schematic diagram of a pressure relief mechanism shown in an exemplary embodiment of the present application.

Fig. 8 is a schematic view of a cup shown in an exemplary embodiment of the present application.

Fig. 9 is a schematic view of a lid assembly and cup assembly as shown in an exemplary embodiment of the present application.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "plurality" means two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper," "top," "bottom," and the like are merely for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The application provides a cooking machine can be used for making soybean milk, squeezing juice, making rice paste, minced steak, ice shaving, making coffee and/or blending facial mask etc. the cooking machine can include the machine of smashing stirring food such as soybean milk machine, mixer or broken wall cooking machine.

Referring to fig. 1 and 3, fig. 1 shows a cross-sectional view of a food processor in which a pressure release mechanism is located in a first state according to an exemplary embodiment of the present application, and fig. 3 shows a cross-sectional view of a food processor in which a pressure release mechanism is located in a second state according to an exemplary embodiment of the present application.

The food processing machine 100 includes a main machine 30 and a cup assembly 20 disposed on the main machine 30, wherein the cup assembly 20 is detachably mounted on the main machine 30, and may be integral with the main machine 30. The cup assembly 20 includes a cup 21 and a cap assembly 10 that covers the cup 21. The material of the cup body 21 may be made of stainless steel material, or other materials, the cup body 21 has an opening 211, and the stirring blade assembly 22 is assembled inside the cup body 21.

Referring to fig. 2, 4 and 5, fig. 2 is an enlarged schematic view of the food processor shown in fig. 1 at a, fig. 4 is an enlarged schematic view of the food processor shown in fig. 3 at B, and fig. 5 is a cross-sectional view of a cup cover assembly according to an exemplary embodiment of the present application.

The cup cover assembly 10 comprises a cup cover 11 and a pressure release mechanism 12, the cup cover 11 comprises a cover body 110 and a flange 111 extending from the cover body 110, the flange 111 is provided with a pressure release opening 1111, when the cup body 21 is arranged on the cup cover assembly 10 in a covering mode, the flange 111 can extend into the inner side of the cup body 21 from an opening 211, and the pressure release opening 1111 is communicated with the inner space of the cup body 21. The pressure release mechanism 12 is mounted in cooperation with the flange 111, the pressure release mechanism 12 having a first state in which the pressure release mechanism 12 blocks the pressure release opening 1111, and a second state in which the pressure release mechanism 12 opens the pressure release opening 1111, and when a force is applied to the pressure release mechanism 12 outside the flange 111, the pressure release mechanism 12 can be switched from the first state to the second state. So, through setting up pressure release opening 1111 in flange 111, with pressure release mechanism 12 and flange 111 cooperation installation, can not occupy the inboard middle space of flange 111, when the flange 111 outside applys effort to pressure release mechanism 12, the inboard middle space of flange 111 can provide sufficient space for the flow of steam, promotes steam to pressure release opening 1111 discharge for pressure release process is more smooth and easy, improves the pressure release efficiency of steam.

In one embodiment, the pressure release mechanism 12 includes a pressure release valve 121 and an elastic member 122, the pressure release valve 121 is disposed through the flange 111, two ends of the elastic member 122 are respectively connected with the cup cover 11 and the pressure release valve 121, in a first state, the pressure release valve 121 plugs the pressure release opening 1111 under the action of the elastic force of the elastic member 122, and in a second state, the pressure release valve 121 opens the pressure release opening 1111. Through the cooperation of elastic piece 122 and relief valve 121 for relief valve 121 can automatic re-set in order to shutoff pressure relief opening 1111 under the elastic force effect of resorting to elastic piece 122, easy operation.

It should be noted that the number of the pressure release mechanisms 12 may be 1 or even more, and the number of the pressure release openings 1111 may be 1 or even more.

In one embodiment, the pressure release valve includes a valve body (not shown in the figure), the valve body may be a rod-shaped valve body, the rod-shaped valve body is arranged through the flange, a sealing portion is arranged at one end located at the inner side of the flange and used for blocking the pressure release opening, a limiting portion is arranged at the other end located at the outer side of the flange and used for limiting the moving path of the rod-shaped valve body, at this time, two ends of an elastic member, such as a spring, are respectively connected or abutted with the flange and the rod-shaped valve body, and the rod-shaped valve body blocks the pressure release opening under the action of elastic force of the spring. In other embodiments, the valve body may also be a spherical valve body (not shown in the figure), the elastic member is an elastic connecting rod, one end of the elastic connecting rod is connected with the cover body of the cup cover, the other end of the elastic connecting rod is connected with the spherical valve body, a part of the circular arc surface of the spherical valve body penetrates through the flange, and the spherical valve body plugs the pressure relief opening under the action of the elastic force of the elastic connecting rod. In addition, the elastic piece can also be a spring, and the pressure release mechanism also comprises a support connecting piece, one end of the support connecting piece is connected with the cover body of the cup cover, the other end of the support connecting piece is movably connected with the spherical valve body, one end of the spring is connected or abutted to the support piece, and the other end of the spring is connected or abutted to the surface of the spherical valve body. Of course, the shape of the valve body is not limited thereto.

Referring to fig. 2 and 4, in one embodiment, the pressure relief valve 121 includes a first valve body 1211 and a second valve body 1212. The first valve body 1211 includes a sealing portion 12111 located inside the flange 111 and an extension portion 12112 penetrating the flange 111, and the sealing portion 12111 is connected to one end of the extension portion 12112, and is capable of sealing or opening the pressure release opening 1111 as the extension portion 12112 moves. The sealing portion 12111 may be a sealing plate, or may be one sealing surface of a plate-like structure, and the extension portion 12112 may be a cylindrical structure. The sealing portion 12111 may be integrally formed with the extension portion 12112, or may be separately connected. In some embodiments, the relief valve 121 further includes a relief valve sealing ring 123 disposed on the sealing portion 12111 for sealing the relief port 1111, so as to further improve the sealing property when the relief port 1111 is sealed. The relief valve seal 123 may have an annular structure, and is fitted around the outer periphery of the extension 12112 to connect with the seal 12111.

The second valve element 1212 is connected to the other end of the extension 12112 outside the flange 111, and both ends of the elastic member 122 are connected to or abutted against the flange 111 and the second valve element 1212, respectively. The second valve body 1212 can form an effective limit in the process of moving the first valve body 1211 toward the inside of the flange 111, limiting the movement path of the first valve body 1211.

Referring to fig. 7, fig. 7 shows a schematic diagram of a pressure relief mechanism according to an exemplary embodiment of the present application.

The second valve body 1212 is a hollow cylindrical structure, at least two ribs 12121 are circumferentially spaced apart from the outer surface of the cylindrical structure, and at least two ribs 12121 have a certain extension length along the axial direction of the cylindrical structure, and one end of the elastic element 122 is connected or abutted to the ribs 12121, so that the elastic element 122 is assembled more firmly. The inner surface of the columnar structure is also provided with a limiting surface 12122 extending towards the center, and the boss 212 can be matched and abutted with the limiting surface 12122 so as to push the pressure release valve 121 to move towards the inner side of the flange 111. In some embodiments, an annular end surface 12123 is formed at one end of the columnar structure, the annular end surface 12123 has a certain extension width along the radial direction of the columnar structure, and the boss 212 can also be matched and abutted with the annular end surface 12123.

Referring to fig. 2 and 4, in some embodiments, flange 111 includes a relief groove 1113 recessed radially inward. The pressure relief vent 1111 is provided in the inner groove wall 1114 of the relief groove 1113. The diameter of the pressure relief opening 1111 ranges from 1 mm to 30mm, and too large a size will affect the aesthetic appearance of the cap 11 and too small a size will reduce the steam discharge efficiency. The pressure relief mechanism 12 is also mounted to the inner side groove wall 1114, and the inner side groove wall 1114 may be provided with a mounting opening through which the pressure relief mechanism 12 is mounted to the inner side groove wall 1114. Through locating pressure release opening 1111 and pressure release mechanism 12 all in dodge inboard cell wall 1114 of groove 1113, can reduce the installation space that occupies the flange 111 outside, reduce the clearance between flange 111 and the cup 21 inner wall for the structure of bowl cover assembly 10 is compacter.

Referring to fig. 6, fig. 6 illustrates a schematic view of a cap assembly as shown in an exemplary embodiment of the present application.

In one embodiment, the cup cover 11 further includes an air exhaust groove 112, where the air exhaust groove 112 is disposed on the cover body 110, and one end of the air exhaust groove 112 is communicated with the inner space of the avoiding groove 1113, and the other end of the air exhaust groove penetrates through the outer side wall of the cover body 110 and is communicated with the outside. In other words, the exhaust groove 112 is formed to be recessed into the lid body 110 from the groove wall of the escape groove 1113 near the lid body 110. Thus, when the flange 111 of the cup cover 11 stretches into the cup body 21, steam in the cup body 21 firstly enters the inner space of the avoidance groove 1113 from the pressure relief opening 1111 and then is discharged to the outside through the exhaust groove 112, so that a pressure relief mode of transverse (cup cover radial) pressure relief is formed, and compared with a traditional top pressure relief mode, the pressure relief mode is safer and more reliable. In some embodiments, the vent groove 112 has a recess depth of 0.5-30mm toward the inside of the cap body 110, and a width extending along the circumferential direction of the cap body 110 of 0.5-30mm. Too large a depth and width of the vent slot 112 can affect the aesthetics of the cap 11 and too small a depth can affect the venting efficiency of the vapor.

Of course, during the rotation of the cap 11, the steam in the inner space of the avoiding groove 1113 may be discharged to the outside from the gap between the cap body 110 and the cup body 21 of the cap 11.

Referring to fig. 8, fig. 8 shows a schematic view of a cup according to an exemplary embodiment of the present application.

In one embodiment, the cup 21 has an opening 211, and the cup 21 is provided with a boss 212 near the opening 211, and the boss 212 protrudes from the inner wall of the cup 21. When the lid assembly 10 is rotated to a predetermined position relative to the cup 21, the boss 212 can apply a force to the pressure relief mechanism 12 to switch the pressure relief mechanism 12 from the first state to the second state. In other words, when the air is exhausted, the cup cover assembly 10 rotates relative to the cup 21 until the boss 212 contacts the pressure release mechanism 12, and the boss 212 applies a force to the pressure release mechanism 12 to push the pressure release mechanism 12 to move toward the inner side of the flange 111, so as to switch from the first state to the second state to open the pressure release opening 1111. Thus, the pressure release operation can be completed in the process of rotating the cup cover 11, steam in the cup is discharged, and scalding caused by that a user forgets to release pressure between opening the cup cover 11 is avoided. In some embodiments, the vertical distance between boss 212 and the edge of opening 211 is 1-30mm, and too much distance can affect the overall height of cup 21, and too little distance is not likely to abut pressure relief mechanism 12.

The above-mentioned "preset position" refers to a position where the pressure release mechanism 12 in the cup lid assembly 10 can abut against the boss 212 on the cup body 21 when the cup lid assembly 10 rotates relative to the cup body 21.

Referring to fig. 4, in one embodiment, when the pressure relief mechanism 12 is in the second state, a pressure relief channel 13 is formed between the flange 111 and the pressure relief mechanism 12, and the pressure relief channel 13 communicates with the pressure relief opening 1111; the width of boss 212 extending radially of cup 21 is greater than or equal to the width of relief channel 13 extending radially of cup 21. Thus, when the boss 212 is propped against the pressure release mechanism 12, the pressure release channel 13 can be ensured to be completely opened, so that steam can be discharged in time and is discharged more thoroughly. In some embodiments, the width of the boss 212 extending radially of the cup 21 ranges from 1 mm to 20mm, and too large a width is not easy to shape the boss 212, and too small a width may result in insufficient opening of the pressure relief channel 13 to prevent the escape of steam.

Referring to fig. 8, in one embodiment, the boss 212 is an arcuate projection 2121 extending circumferentially along the cup 21, and the end of the arcuate projection 2121 is provided with a guide ramp 2122. In this manner, the pressure relief assembly is conveniently guided to move into abutment with boss 212. Specifically, the boss 212 may be two arc-shaped protrusions 2121 extending along the circumferential direction of the cup 21 and disposed at intervals, and both the arc-shaped protrusions 2121 are provided with guide slopes 2122 at ends toward each other. Thus, pressure relief mechanism 12 is positioned between two guide ramps 2122 in the first state, and lid assembly 10 can switch pressure relief mechanism 12 from the first state to the second state to open pressure relief vent 1111 when rotated in either direction.

Referring now to fig. 8 and 9, fig. 9 illustrates a schematic view of a lid assembly and cup assembly as shown in an exemplary embodiment of the present application

In one embodiment, the connection between the ends of the two arcuate projections 2121 that are distal from each other is the diameter of the cup 21, which can extend the time that the pressure relief vent 1111 is open, improving the steam venting efficiency. In some embodiments, the two arcuate protrusions 2121 have the same arc, where the sum of the arc of the two arcuate protrusions 2121 is such that the angle of rotation of the lid assembly 10 in either direction is 0-90 ° respectively; in other embodiments, the two arcuate protrusions 2121 may have different degrees of curvature, where the sum of the degrees of curvature of the two arcuate protrusions 2121 is sufficient to satisfy the angle of rotation of the lid assembly 10 in the clockwise direction and the angle of rotation in the counter-clockwise direction being from 0 ° to 180 °.

Referring to fig. 9, the above-mentioned "clockwise direction" refers to a direction when the cup cover 11 rotates rightward in the circumferential direction of the cup 21, and "counterclockwise direction" refers to a direction when the cup cover 11 rotates leftward in the circumferential direction of the cup 21.

Referring to fig. 1 and 3, in one embodiment, cup assembly 20 further includes a handle disposed on one side of cup 21 and arcuate projection 2121 is disposed on the other side of cup 21 remote from the handle. When the number of the arc-shaped protrusions 2121 is two, the two arc-shaped protrusions 2121 are arranged at intervals on the other side of the cup body 21 away from the handle, so that the user is prevented from being scalded when steam is discharged.

Referring to fig. 2 and 4, in one embodiment, lid assembly 10 further includes lid seal 14 disposed on flange 111, lid seal 14 abutting cup 21 to form a seal, and pressure relief mechanism 12 is located between lid seal 14 and opening 211. In this way, the venting of steam from the pressure relief vent 1111 can be facilitated. In some embodiments, the vertical distance between boss 212 and lid seal 14 is 1-30mm, with too great a distance affecting the overall height of lid 11 and too small a distance reducing the installation space of pressure relief mechanism 12 in the axial direction of cup 21.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model to the precise form disclosed, and any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.

Claims (12)

1. A cap assembly, comprising:

the cup cover (11), the cup cover (11) comprises a cover body (110) and a flange (111) extending from the cover body (110), and the flange (111) is provided with a pressure relief opening (1111);

the pressure release mechanism (12) is installed in cooperation with the flange (111), the pressure release mechanism (12) is provided with a first state and a second state, the pressure release mechanism (12) is used for blocking the pressure release opening (1111) in the first state, the pressure release mechanism (12) is used for opening the pressure release opening (1111) in the second state, and when acting force is applied to the pressure release mechanism (12) outside the flange (111), the pressure release mechanism (12) can be switched from the first state to the second state.

2. The lid assembly of claim 1, wherein:

the pressure release mechanism (12) comprises a pressure release valve (121) and an elastic piece (122), the pressure release valve (121) is arranged on the flange (111) in a penetrating mode, and two ends of the elastic piece (122) are respectively connected with the cup cover (11) and the pressure release valve (121);

in the first state, the pressure relief valve (121) seals the pressure relief opening (1111) under the action of the elastic force of the elastic piece (122), and in the second state, the pressure relief valve (121) opens the pressure relief opening (1111).

3. The lid assembly of claim 2, wherein:

the relief valve (121) comprises a first valve body (1211) and a second valve body (1212);

the first valve body (1211) comprises a sealing part (12111) positioned on the inner side of the flange (111) and an extension part (12112) penetrating the flange (111), and the sealing part (12111) can seal or open the pressure relief opening (1111);

the second valve body (1212) is connected to the extension portion (12112) outside the flange (111), and both ends of the elastic member (122) are respectively connected to or abutted against the flange (111) and the second valve body (1212).

4. The lid assembly of claim 3, wherein:

the relief valve (121) further includes a relief valve seal ring (123) provided to the seal portion (12111) and configured to seal the relief port (1111).

5. The lid assembly of any one of claims 1-4, wherein:

the flange (111) comprises an avoidance groove (1113) which is concavely arranged inwards in the radial direction, the pressure relief opening (1111) is formed in an inner groove wall (1114) of the avoidance groove, and the pressure relief mechanism (12) is mounted in the inner groove wall (1114).

6. The lid assembly of claim 5, wherein:

the cup cover (11) further comprises an exhaust groove (112), the exhaust groove (112) is formed in the cover body (110), one end of the exhaust groove is communicated with the inner space of the avoidance groove (1113), and the other end of the exhaust groove penetrates through the outer side wall of the cover body (110) and is communicated with the outside.

7. A cup assembly, comprising:

the cup body (21) is provided with an opening (211), a boss (212) is arranged on the position, close to the opening (211), of the cup body (21), and the boss (212) is convexly arranged on the inner wall of the cup body (21);

the cup lid assembly (10) of any of claims 1-6, wherein the cup lid assembly (10) is disposed over the cup (21), and wherein the pressure relief vent (1111) is in communication with an interior space of the cup (21); when the cup cover assembly (10) rotates to a preset position relative to the cup body (21), the boss (212) can apply an acting force to the pressure release mechanism (12) so that the pressure release mechanism (12) is switched from the first state to the second state.

8. The cup assembly of claim 7, wherein:

in the second state, a pressure relief channel (13) is formed between the flange (111) and the pressure relief mechanism (12), and the pressure relief channel (13) is communicated with the pressure relief opening (1111);

the width of the boss extending along the radial direction of the cup body (21) is larger than or equal to the width of the pressure release channel (13) extending along the radial direction of the cup body (21).

9. The cup assembly of claim 8, wherein:

the boss (212) is an arc-shaped protrusion (2121) extending along the circumferential direction of the cup body (21), and a guide inclined surface (2122) is arranged at the end part of the arc-shaped protrusion (2121).

10. The cup assembly of claim 9, wherein:

the boss (212) is two arc-shaped protrusions (2121) extending along the circumferential direction of the cup body (21) at intervals, and the end parts of the two arc-shaped protrusions (2121) facing each other are provided with guide inclined surfaces (2122).

11. A cup assembly according to any one of claims 7-10, wherein:

the cup cover assembly (10) further comprises a cup cover sealing ring (14) arranged on the flange (111), the cup cover sealing ring (14) is in butt joint with the cup body (21) to form sealing, and the pressure release mechanism (12) is located between the cup cover sealing ring (14) and the opening (211).

12. A food processor, characterized by comprising a main machine (30) and a cup assembly (20) according to any one of claims 7-11 arranged on the main machine (30).

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