CN213757938U - Cutter disc sealing structure and food processor - Google Patents

Abstract

The application provides blade disc seal structure and cooking machine. The cutter head sealing structure comprises a ring body structure and a flange arranged on the outer peripheral wall of the ring body structure, and a containing cavity is formed in the middle of the ring body structure; the ring body structure extends along the first direction and sets up, and the flange extends along the second direction and sets up, and the second direction is the slope setting with the first direction. The food processor comprises a cup assembly, a cutter head assembly and the cutter head sealing structure, wherein the cutter head assembly is arranged on the cutter head sealing structure, and the cup assembly is arranged between the cutter head assembly and the cutter head sealing structure. Ring body structure and flange extend the setting from two not equidirectionals respectively, can follow the leakproofness between two not equidirectional enhancement cup subassemblies and the cutter head assembly, make the leakproofness better, avoid the seepage of food, reinforcing user experience.

Description

Cutter disc sealing structure and food processor

Technical Field

The application relates to a small household electrical appliances field especially relates to a blade disc seal structure and cooking machine.

Background

With the increasing living standard of people, many different types of food processors appear on the market. The functions of the food processor mainly include, but are not limited to, functions of making soybean milk, squeezing fruit juice, making rice paste, mincing meat, shaving ice, making coffee and/or blending facial masks and the like. The food processor can comprise a soybean milk machine, a stirrer or a wall breaking food processor and other machines for crushing and stirring food materials. When the cup subassembly of cooking machine was assembled in the cup seat, the sealed effect between the blade disc subassembly of cooking machine and the cup subassembly was not good, caused the seepage of food, brought inconvenience for user's use.

SUMMERY OF THE UTILITY MODEL

The application provides a cutter head sealing structure and a food processor which aim at improving sealing performance.

The application provides a blade disc seal structure, wherein includes: the device comprises a ring body structure and a flange arranged on the outer peripheral wall of the ring body structure, wherein a containing cavity is formed in the middle of the ring body structure; the ring body structure extends along a first direction, the flange extends along a second direction, and the second direction and the first direction are obliquely arranged. In some embodiments, the ring structure and the flange extend from two different directions respectively and set up, make the leakproofness better, avoid the seepage of food, reinforcing user experience.

Optionally, the peripheral wall of the ring structure is provided with a first sealing portion, and the first sealing portion is arranged to protrude outwards from the peripheral wall of the ring structure; the peripheral wall includes at least one of an inner peripheral wall and an outer peripheral wall. In some embodiments, a first sealing portion is disposed on the peripheral wall of the ring structure to enhance the sealing effect.

Optionally, the first sealing portion is disposed on a top portion of a peripheral wall of the ring structure. In some embodiments, the first sealing portion is disposed on the top of the peripheral wall of the ring structure, so that the sealing effect is better.

Optionally, the first sealing portion is a first sealing boss formed along a circumference of a peripheral wall of the ring structure. In some embodiments, a first sealing boss is formed around the peripheral wall of the ring structure to enhance the sealing effect. Or

The first sealing portion comprises a plurality of first sealing ribs, the first sealing ribs are formed by protruding from the peripheral wall of the ring body structure along the direction far away from the peripheral wall, and the first sealing ribs are arranged on the peripheral wall of the ring body structure at intervals. In some embodiments, providing a plurality of first sealing ribs provides a better seal.

Optionally, the flange is provided at the bottom of the outer peripheral wall of the ring structure. In some embodiments, the sealing effect is enhanced by providing a flange at the bottom of the peripheral wall of the ring structure. And/or

The first direction and the second direction are perpendicular. In some embodiments, the ring structure and the flange are arranged in two different orientations, respectively, for better sealing.

Optionally, the surface of the flange is provided with a second sealing portion, and the second sealing portion is arranged to protrude outwards from the surface of the flange. In some embodiments, a second sealing portion is provided on the surface of the flange to enhance the sealing effect. Or

The surface of the flange is provided with at least two second sealing parts, the at least two second sealing parts are arranged in a protruding mode outwards from the surface of the flange, and the at least two second sealing parts are arranged on the surface of the flange at intervals along the second direction. In some embodiments, at least two second sealing parts are arranged at intervals in the second direction, so that the sealing effect is better.

Optionally, the second sealing portion is a second sealing boss formed along a circumference of a surface of the flange. In some embodiments, a second sealing boss is formed around the surface of the flange to enhance the sealing effect. Or

The second sealing portion includes a plurality of second sealing ribs, the second sealing ribs are formed by protruding from the surface of the flange in a direction away from the surface of the flange, and the plurality of second sealing ribs are arranged at intervals on the surface of the flange. In some embodiments, providing a plurality of second sealing ribs provides a better seal.

The application also provides a cooking machine, including: a cup assembly; a cutter head assembly; and the cutter head sealing structure of any one of the above embodiments, wherein the cutter head sealing structure is arranged between the cutter head assembly and the cup assembly. In some embodiments, a cutter head sealing structure is arranged between the cutter head assembly and the cup assembly, so that the sealing performance between the cutter head assembly and the cup assembly is better, the leakage of food is avoided, and the user experience is enhanced.

Optionally, the ring structure of the cutter head sealing structure is in interference fit with the inner peripheral wall of the cup assembly. In some embodiments, the ring structure and the cup assembly are in an interference fit, which results in a better seal between the ring structure and the cup assembly. And/or

The ring body structure of the cutter head sealing structure is in interference fit with the outer peripheral wall of the cutter head assembly. In some embodiments, the annulus and the cutterhead assembly are interference fit, resulting in a better seal between the annulus and the cutterhead assembly. And/or

The flange of the cutter head sealing structure is in interference fit with the bottom wall of the cup assembly. In some embodiments, the flange and cup assembly have an interference fit to provide a better seal between the flange and cup assembly.

Optionally, the cup assembly comprises a cup seat and a cup body assembled on the cup seat, the food processor further comprises a motor assembly, and the motor assembly and the cutter head assembly are arranged in the cup seat; the motor assembly comprises a motor body, the cutter head assembly comprises a stirring cutter assembly, and a rotating shaft of the motor body is connected and contacted with a cutter shaft of the stirring cutter assembly. In some embodiments, the direct arbor with stirring knife tackle spare of pivot of motor body is connected for cooking machine's height is low, reduces space size, noise reduction.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic structural diagram of an embodiment of a food processor of the present application;

fig. 2 is an exploded view of an embodiment of the food processor of the present application;

fig. 3 is an enlarged schematic view of the food processor shown in fig. 1 at a 1;

fig. 4 is an enlarged schematic view of the food processor shown in fig. 3 at a 2;

fig. 5 is a perspective view of an embodiment of the impeller seal structure of the present application.

Detailed Description

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

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of 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 "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are 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 the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the food processor 10 includes a main unit assembly 11, a cup assembly 12 and a lid assembly 13. In some embodiments, the host assembly 11 is in the form of a stand. The host assembly 11 can provide power, control and drive the operation of the food processor 10, and can interact with a user. Alternatively, the food processor 10 can be a wall breaking machine.

In some embodiments, the cup assembly 12 may be assembled to the host assembly 11. The cup assembly 12 may contain food material therein, and the food material may be whipped, heated and/or vacuumed, etc. within the cup assembly 12. In some embodiments, the cup assembly 12 includes a cup body 121 and a cup handle 122 disposed on one side of the cup body 121. In some embodiments, the cup 121 may be a glass cup. A cup fixing block 123 is arranged on one side of the cup body 121 and on one side close to the cup handle 122, and the cup body 121 is fixed on the cup handle 122 through the cup fixing block 123. In some embodiments, the cup 121 and the cup fixing block 123 are integrally formed.

In some embodiments, cap assembly 13 may cover cup assembly 12. When the food processor 10 works, the cup cover assembly 13 is covered on the cup assembly 12. After the food processor 10 finishes working, the cup cover assembly 13 can be taken down from the cup assembly 12. Lid assembly 13 includes lid handle 131. When lid assembly 13 is closed on cup assembly 12, lid handle 131 is in butt joint with cup handle 122, and lid assembly 13 is in place. In some embodiments, cap assembly 13 is removably assembled to cup assembly 12 and may be separable from cup assembly 12.

In some embodiments, the cup assembly 12 further includes a cup holder 124, a cutter head assembly 125, and a motor assembly 126. The cup 121 is assembled to the cup holder 124, and the cup holder 124 is assembled to the host assembly 11 for supporting the cup 121 and assembling with the cup 121. The cutter head assembly 125 is disposed in the cup seat 124 and extends into the cup body 121, and the cutter head assembly 125 is used for beating food in the cup body 121. The motor assembly 126 is disposed in the cup holder 124 and located at the bottom of the cutter assembly 125, and is used for providing a driving force to the cutter assembly 125 to drive the cutter assembly 125 to rotate, so as to whip the food material in the cup body 121.

In some embodiments, the cup 124 includes a cup body 1241 and a cup bottom 1242, the cup bottom 1242 is assembled to the host assembly 11, the cup body 1241 is assembled to the cup bottom 1242 to form a cup cavity, and the cutter head assembly 125 and the motor assembly 126 are assembled in the cup cavity.

In some embodiments, the impeller assembly 125 is disposed within the cup 124, the impeller assembly 125 includes an impeller base 1251 and a blending knife assembly 1252, and the blending knife assembly 1252 is movably coupled to the impeller base 1251. A blender blade assembly 1252 extends into the cup 121 to whip the food material within the cup 121.

In some embodiments, the motor assembly 126 is disposed within the cup holder 124, the motor assembly 126 including a motor body 1261 and a motor cover 1262, the motor body 1261 being assembled to the motor cover 1262. The cup holder bottom cover 1242 is provided with a plurality of supporting posts 1243 for supporting the motor body 1261, and the supporting posts 1243 extend toward the motor body 1261 to provide a supporting force for supporting the motor body 1261. In some embodiments, the motor assembly 1262 also includes a motor coupler 1263. The cup holder bottom cover 1242 is provided with a through hole (not shown) for receiving the motor coupler 1263, and the motor coupler 1263 is disposed in the through hole and electrically connected to a coupler (not shown) of the host assembly 11, so as to electrically connect the motor body 1261 and the host assembly 11. In some embodiments, stirring knife assembly 1252 includes knife shaft 1255. In some embodiments, the motor body 1261 includes a shaft 1264, and the shaft 1264 of the motor body 1261 is coupled to and in contact with the knife shaft 1255 of the stirring knife assembly 1252. In some embodiments, the rotating shaft 1264 of the motor body 1261 is directly connected to the knife shaft 1255 of the stirring knife assembly 1252, that is, the knife shaft 1255 is driven to rotate in a direct-drive manner by the motor, so that the food processor 10 is low in height, the size of the space is reduced, and the noise is reduced. The motor body 1261 may be a motor, and when the rotating shaft 1264 of the motor body 1261 rotates, the cutter shaft 1255 of the stirring blade assembly 1252 is driven to rotate, so as to drive the stirring blade assembly 1252 to stir the food material.

Referring to fig. 1-3, the cup assembly 12 further includes an impeller seal structure 20 disposed between the impeller assembly 125 and the cup 121. The cutter head sealing structure 20 is used to improve the sealing effect between the cutter head base 1251 and the cup body 121. In some embodiments, the cutter head sealing structure 20 is made of a silica gel material, and is chemically stable and high-temperature resistant. The cutter head sealing structure 20 is arranged between the cutter head base 1251 and the cup body 121, so that the sealing performance between the cutter head base 1251 and the cup body 121 is better. Between blade disc base 1251 and cup 121 is assembled to blade disc seal structure 20, blade disc seal structure 20 respectively with cup 121, blade disc base 1251 interference fit, make sealed effect better to avoid the seepage of food, reinforcing user experience.

Referring to fig. 4 to 5, the cutter head sealing structure 20 includes a ring structure 21 and a flange 22 provided on the outer peripheral wall of the ring structure 21. The ring structure 21 extends in the first direction B1 and is disposed between the inner circumferential wall 1211 of the cup body 121 and the outer circumferential wall 1253 of the cutter head base 1251 to improve the sealing between the inner circumferential wall 1211 of the cup body 121 and the outer circumferential wall 1253 of the cutter head base 1251. The flange 22 extends in the second direction B2 and is disposed between the bottom wall 1212 of the cup 121 and the bottom wall 1254 of the cartridge base 1251 to provide a better seal between the bottom wall 1212 of the cup 121 and the bottom wall 1254 of the cartridge base 1251. In some embodiments, the second direction B2 is oblique to the first direction B1. In the embodiment illustrated in fig. 4 and 5, the first direction B1 and the second direction B2 are perpendicular. Ring body structure 21 and flange 22 extend the setting from two not equidirectional respectively, can strengthen the leakproofness between cup 121 and the blade disc base 1251 from two not equidirectional, make the leakproofness better to avoid the seepage of food, reinforcing user experience.

In some embodiments, the middle portion of the ring body structure 21 forms a receiving cavity 210, and the cutter head base 1251 is fitted into the receiving cavity 210. In some embodiments, the ring structure 21 has a tapered configuration with an upper dimension greater than a lower dimension. When the food processor 10 is assembled, the ring structure 21 of the cutter head sealing structure 20 is sleeved on the outer peripheral wall 1253 of the cutter head base 1251, the inner peripheral wall 1211 of the cup body 121 is assembled to be attached to the outer peripheral wall of the ring structure 21, and the ring structure 21 is set to be of a conical structure, so that the cup body 121 can be conveniently assembled. During assembly, the flange 22 overlies the bottom wall 1254 of the cartridge base 1251 and the bottom wall 1212 of the cup 121 engages the upper surface of the flange 22. Further, the ring structure 21 and the flange 22 are arranged in different directions, so that the sealing performance between the cup body 121 and the cutter head base 1251 is better, the leakage of food is avoided, and the user experience is enhanced.

In some embodiments, the peripheral wall of the ring structure 21 is provided with a first seal 211. The peripheral wall here includes at least one of an inner peripheral wall and an outer peripheral wall. The inner peripheral wall of the ring structure 21 is attached to the outer peripheral wall 1253 of the cutter head base 1251, and the outer peripheral wall of the ring structure 21 is attached to the inner peripheral wall 1211 of the cup body 121. In some embodiments, the first sealing portion 211 is disposed on the inner peripheral wall of the ring structure 21 and is in interference fit with the outer peripheral wall 1253 of the cutter head base 1251, so as to enhance the sealing effect. In other embodiments, the first sealing portion 211 is disposed on the outer peripheral wall of the ring structure 21 and is in interference fit with the inner peripheral wall 1211 of the cup body 121 to enhance the sealing effect. In other embodiments, the inner and outer peripheral walls of the ring structure 21 are provided with the first sealing portion 211, which can be respectively in interference fit with the outer peripheral wall 1253 of the cutter head base 1251 and the inner peripheral wall 1211 of the cup body 121, so that the sealing performance between the cup body 121 and the cutter head base 1251 is better. In the embodiment shown in fig. 4 to 5, the inner peripheral wall of the ring body structure 21 is provided with a first sealing portion 211a, and the interference distance H1 between the first sealing portion 211a and the outer peripheral wall 1253 of the cutter head base 1251 is 0-3 mm. The outer peripheral wall of the ring structure 21 is provided with a first sealing portion 211b, and the interference distance range H2 between the first sealing portion 211b and the inner peripheral wall 1211 of the cup body 121 is 0-3 mm. Through setting up first sealing 211a and first sealing 211b to and respectively with periphery wall 1253 of blade disc base 1251, the internal perisporium 1211 interference fit of cup 121, make sealed effect better, avoid the seepage of food, reinforcing user experience.

In some embodiments, the first seal 211 is provided at the top of the peripheral wall of the ring structure 21. In the embodiment shown in fig. 4, the first sealing portion 211a and the first sealing portion 211b are disposed on the top of the peripheral wall of the ring structure 21, and the inner peripheral wall 1211 of the cup body 121 and the outer peripheral wall 1253 of the cutter head base 1251 are in interference fit, so that not only the sealing effect can be enhanced, but also the cup body 121 and the cutter head base 1251 are not easily separated during assembly. In some embodiments, the first sealing portion 211 protrudes outwardly from the peripheral wall of the ring structure 21 to respectively form an interference fit with the inner peripheral wall 1211 of the cup body 121 and the outer peripheral wall 1253 of the cutter head base 1251, so as to provide a better sealing effect between the cup body 121 and the cutter head base 1251. In some embodiments, the first sealing portion 211 can be integrally formed with the ring structure 21, and the manufacturing process is simple.

In some embodiments, the first sealing portion 211 may be a first sealing boss formed along a circumference of the peripheral wall of the ring structure 21. By forming the first sealing projection on the circumference of the circumferential wall of the ring structure 21, the contact area between the inner circumferential wall 1211 of the cup body 121 and the outer circumferential wall 1253 of the cutter head base 1251 can be increased, and the sealing effect can be enhanced. In the embodiment shown in fig. 4 and 5, the first sealing portion 211 adopts the first sealing boss, and the manufacturing process and the structure are simple. In some other embodiments, the first sealing portion 211 includes a plurality of first sealing ribs, the first sealing ribs are formed by protruding from the peripheral wall of the ring structure 211 along a direction away from the peripheral wall, and the plurality of first sealing ribs are disposed at intervals on the peripheral wall of the ring structure 211. Set up a plurality of first sealed muscle, interval distribution is in the perisporium of ring body structure 211 and relatively independent, makes the sealed effect between cup 121 and the blade disc base 1251 better. And the first sealing rib is simple in preparation process and structure.

In some embodiments, the flange 22 is provided at the bottom of the peripheral wall of the ring structure 21. A flange 22 is added between the bottom wall 1212 of the cup 121 and the bottom wall 1254 of the cutterhead base 125, the bottom surface of the flange 22 engaging the bottom wall 1254 of the cutterhead base 1251, and the surface of the flange 22 engaging the bottom wall 1212 of the cup 121. The bottom of the flange 22, which is disposed on the outer peripheral wall of the ring structure 21, enhances the sealing between the bottom wall 1212 of the cup 121 and the cutter head base 1251. In some embodiments, the flange 22 may be integrally formed with the ring structure 21, which may be a simple manufacturing process.

In some embodiments, the surface of the flange 22 is provided with a second sealing portion 221, and the second sealing portion 221 is disposed to protrude outward from the surface of the flange 22. In the example shown in the drawings, the second seal portion 221 is provided on the upper surface of the flange 22. The second sealing portion 221 is attached to the bottom wall 1212 of the cup 121, so that the flange 22 and the bottom wall 1212 of the cup 121 are in interference fit, which not only enhances the sealing between the bottom wall 1212 of the cup 121 and the bottom wall 1254 of the cutterhead base 125, but also prevents the bottom wall 1212 of the cup 121 from being separated from the cup 12. In some embodiments, the interference distance H3 between the second seal portion 221 and the bottom wall 1212 of the cup 121 is in the range of 0-3 mm. The flange 22 and the bottom wall 1212 of the cup body 121 are in interference fit with each other, so that the sealing performance between the bottom wall 1212 of the cup body 121 and the bottom wall 1254 of the cutter head base 125 is better, the leakage of food is avoided, and the user experience is enhanced. In some embodiments, the second sealing portion 221 and the flange 22 may be integrally formed, and the manufacturing process is simple. In some embodiments, the surface of the flange 22 is provided with at least two second sealing portions 221, the at least two second sealing portions 221 are disposed to protrude outward from the surface of the flange 22, and the at least two second sealing portions 221 are disposed at intervals along the second direction B2 on the surface of the flange 22. The surface of the flange 22 abuts against the bottom wall 1212 of the cup 121, and the plurality of second sealing portions 221 are provided on the surface of the flange 22 and spaced apart in the second direction B2, so that not only is the sealing between the bottom wall 1212 of the cup 121 and the bottom wall 1254 of the deck base 1251 enhanced, but also the bottom wall 1212 of the cup 121 is prevented from coming off the flange 22. In the embodiment shown in fig. 4 and 5, the surface of the flange 22 is provided with two second sealing portions 221, and the two second sealing portions 221 are provided at intervals on the surface of the flange 22 along the second direction B2.

In some embodiments, the second sealing portion 221 is a second sealing boss formed along a circumference of the surface of the flange 22. By forming the second sealing protrusion around the surface of the flange 22, the contact area with the bottom wall 1212 of the cup 121 can be increased, and the sealing effect can be enhanced. In the embodiment shown in fig. 4 and 5, the second sealing portion 221 adopts the second sealing boss, and the manufacturing process and the structure are simple. In other embodiments, the second sealing portion 221 includes a plurality of second sealing ribs, the second sealing ribs are formed to protrude from the surface of the flange 22 in a direction away from the surface of the flange 22, and the plurality of second sealing ribs are spaced apart from each other on the surface of the flange 22. A plurality of second sealing ribs are provided and spaced apart from the surface of the flange 22 to provide a better seal between the bottom wall 1212 of the cup 121 and the bottom wall 1254 of the cartridge base 1251. And the second sealing rib is simple in preparation process and structure.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A cutter head sealing structure is characterized by comprising: the ring body structure comprises a ring body structure (21) and a flange (22) arranged on the outer peripheral wall of the ring body structure (21), wherein a containing cavity (210) is formed in the middle of the ring body structure (21); the ring body structure (21) extends along a first direction, the flange (22) extends along a second direction, and the second direction and the first direction are obliquely arranged.

2. The cutter head sealing structure according to claim 1, wherein the peripheral wall of the ring structure (21) is provided with a first sealing part (211), and the first sealing part (211) is protruded outwards from the peripheral wall of the ring structure (21); the peripheral wall includes at least one of an inner peripheral wall and an outer peripheral wall.

3. A cutterhead sealing arrangement according to claim 2, characterized in that said first sealing portion (211) is provided at the top of the peripheral wall of said ring structure (21).

4. The cutter head sealing structure according to claim 2, wherein the first sealing portion (211) is a first sealing boss formed along a circumference of a peripheral wall of the ring structure (21); or

The first sealing portion (211) comprises a plurality of first sealing ribs, the first sealing ribs are formed by protruding from the peripheral wall of the ring body structure (21) along the direction far away from the peripheral wall, and the first sealing ribs are arranged on the peripheral wall of the ring body structure (21) at intervals.

5. A cutterhead sealing arrangement according to claim 1, characterized in that said flange (22) is provided at the bottom of the peripheral wall of said ring structure (21); and/or

The first direction and the second direction are perpendicular.

6. The cutter head sealing structure according to claim 5, wherein the surface of the flange (22) is provided with a second sealing portion (221), and the second sealing portion (221) is provided to protrude outward from the surface of the flange (22); or

The surface of the flange (22) is provided with at least two second sealing parts (221), the at least two second sealing parts (221) are arranged in a protruding mode outwards from the surface of the flange (22), and the at least two second sealing parts (221) are arranged on the surface of the flange (22) at intervals along the second direction.

7. The impeller seal structure according to claim 6, wherein the second seal portion (221) is a second seal projection formed along a circumference of a surface of the flange (22); or

The second sealing portion (221) includes a plurality of second sealing ribs formed to protrude from the surface of the flange (22) in a direction away from the surface of the flange (22), the plurality of second sealing ribs being provided at intervals on the surface of the flange (22).

8. A food processor, comprising:

a cup assembly (12);

a cutter head assembly (125); and

a cutterhead sealing arrangement as claimed in any one of claims 1 to 7, which is provided between the cutterhead assembly (125) and the cup assembly (12).

9. The food processor of claim 8, wherein the ring structure (21) of the cutter disc sealing structure and the inner peripheral wall (1211) of the cup assembly (12) are in interference fit; and/or

The ring body structure (21) of the cutter head sealing structure is in interference fit with the outer peripheral wall (1253) of the cutter head assembly (125); and/or

The flange (22) of the cutter head sealing structure is in interference fit with the bottom wall (1212) of the cup assembly (12).

10. The food processor of claim 8, wherein the cup assembly (12) comprises a cup holder (124) and a cup body (121) assembled to the cup holder (124), the food processor further comprising a motor assembly (126), the motor assembly (126) and the cutter head assembly (125) being disposed within the cup holder (124); the motor assembly (126) comprises a motor body (1261), the cutter head assembly (125) comprises a stirring cutter assembly (1252), and a rotating shaft of the motor body (1261) is connected and contacted with a cutter shaft of the stirring cutter assembly (1252).

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