CN114568976B

CN114568976B - Mute food processing machine

Info

Publication number: CN114568976B
Application number: CN202210296661.8A
Authority: CN
Inventors: 朱泽春; 吴帮雄
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2022-02-18
Filing date: 2022-03-24
Publication date: 2023-04-07
Anticipated expiration: 2042-03-24
Also published as: CN114568977A; CN114568976A; CN216724290U; CN217137751U; CN114568977B

Abstract

The invention relates to kitchen appliances, in particular to a silent food processor for space silent noise reduction, which comprises a machine shell, a crushing cup assembly and a supporting seat, wherein the crushing cup assembly comprises a crushing cup, a motor and a motor cover covered on the outer side of the motor, the upper end of the motor cover is fixedly connected with the crushing cup, the lower end of the motor cover is supported by the supporting seat through a flexible positioning structure, the flexible positioning structure comprises a positioning hole, a positioning column and a flexible piece, the flexible piece is used for isolating the motor cover from the supporting seat, the distance from a fulcrum of the motor cover supported by the supporting seat to the front end of a motor body is not less than 1/3 of the height of the motor body, the crushing cup assembly floats on the supporting seat when the motor works, and the axial matching distance C1 between the positioning column and the positioning hole is greater than the axial floating distance of the crushing cup assembly. The food processor provided by the invention can further reduce resonance noise and greatly improve the cleaning effect of the grinding cup in the working process, thereby bringing better use experience to consumers.

Description

Mute food processing machine

Technical Field

The invention relates to a kitchen appliance, in particular to a food processor which aims to transfer the noise reduction technology of a space hot air generating device to a kitchen food product so as to achieve the space silencing effect.

Background

A utility model patent with patent number CN202020298078.7 named as food processor is disclosed. This patent discloses that be equipped with first damping piece between cup and the motor cover, the vibration that the cooking machine produced when beating the edible material can be absorbed by first damping piece by a great extent, and then has reduced the produced resonance of motor cover, can effectively reduce vibration and the noise that the cooking machine work produced. In addition, another patent application with the patent number of CN201811390589.5, named as a silent food processor, discloses a way of completely isolating a cup body assembly from a seat body and enabling a cup mouth to float relative to a shell, so that noise generated in the working process can be greatly reduced.

The applicant has found that the use of the above-mentioned technique indeed makes it possible to reduce the noise of the preparation of the food processor. However, at the same time, the applicant has also found that when the crushing power of the motor is increased to improve the crushing efficiency and the crushing fineness of the crushed food material, although the vibration absorbing member or the isolation structure can absorb or isolate part of the vibration energy, the resonance frequency of each component of the food processor is different, when the power of the motor is increased, the vibration frequency generated by the motor is higher, and the resonance of other components of the food processor can still be caused, and when the food processor or the food processor is used for making rice paste, white residues are easily adhered to the inner wall of the cup body, and the cup body is difficult to clean.

The applicant participates in the research and development of national space kitchen projects, invents a hot air heating device for heating food in a space bin environment, and solves the problem that astronauts can eat delicious hot food in the space bin. The problem that the operation noise of the hot air generating device is large in the space environment is solved, and a quiet living and working environment is created for astronauts. Based on the problems existing in the technology and the further research on the space mute noise reduction technology by the applicant, the food processor applied in the kitchen environment is expected to have better noise reduction effect, and the consumer can obtain better use experience.

Disclosure of Invention

The invention aims to provide a food processor, which can further reduce resonance noise, greatly improve the cleaning effect of a grinding cup and bring better use experience to consumers in the working process.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a silence food preparation machine, includes the casing, sets up crushing cup subassembly in the casing and is used for supporting the supporting seat of smashing the cup subassembly, the supporting seat is located the bottom of casing and fixed its characterized in that with the casing: the grinding cup assembly comprises a grinding cup, a motor and a motor cover, the motor is installed at the bottom of the grinding cup, the motor cover is covered on the outer side of the motor, the upper end of the motor cover is fixedly connected with the grinding cup, the lower end of the motor is supported by a supporting seat through a flexible positioning structure, the flexible positioning structure comprises a positioning hole, a positioning column and a flexible part, the positioning column and the flexible part are inserted into the positioning hole, one of the motor cover and the supporting seat is provided with the positioning hole, the other one of the motor cover and the supporting seat is provided with a corresponding positioning column, the flexible part is used for isolating the motor cover from the supporting seat when the positioning column is inserted into the positioning hole, the distance from a fulcrum of the supporting seat supporting the motor cover to the front end of the motor body is not less than 1/3 of the height of the motor body, the grinding cup assembly is located on the supporting seat and floats when the motor works, and the axial matching distance C1 between the positioning column and the positioning hole is greater than the axial floating distance of the grinding cup assembly.

Furthermore, the positioning column is arranged on the motor cover, and the positioning hole is positioned on the supporting seat;

or the positioning holes are blind holes or through holes.

Furthermore, the flexible part is a silica gel sleeve, the silica gel sleeve is sleeved on the outer side of the positioning column, the positioning column and the silica gel sleeve are inserted into the positioning hole together, an outward flange is further arranged at the rear end of the silica gel sleeve, and when the smashing cup assembly is installed on the supporting seat, the motor cover and the supporting seat are clamped and flanged.

Furthermore, be located the upper portion of smashing the cup, be provided with in the casing and carry out radial and the spacing locating part of axial to smashing the cup, the locating part has spacing chamber, it floats to smash cup upper portion and be located spacing intracavity.

Furthermore, buffer ribs are arranged on the wall of the limiting cavity and are arranged at intervals around the circumference of the crushing cup;

or, smash the cup outer wall and be provided with outside bellying, the bellying is located spacing intracavity, the bellying is cyclic annularly, and the bellying outside parcel has the damping ring with locating part and crushing cup isolation.

Or, the limiting piece and the casing are integrally formed;

or, the limiting piece is fixed on the inner wall of the casing;

or the mute food processor also comprises a cover plate, the cover plate is covered on the top of the casing, the limiting piece is hidden in the casing, and a sealing ring is arranged in a gap between the cover plate and the crushing cup.

Furthermore, the limiting piece is a limiting ring sleeved on the outer side of the crushing cup, and the limiting cavity is an annular cavity formed by the inner wall of the limiting ring and the outer wall of the crushing cup in an enclosing manner;

or, the convex rim of a cup of smashing the cup stretches out the casing outside, and rim of a cup department seal installation has the bowl cover, the bowl cover has the supplementary chamber that liquid can upwelle and enter, and the bowl cover encloses with smashing the cup and closes and form the slurrying cavity.

Further, the motor cover is an aluminum-based cover;

or the motor cover comprises a first cover body and a second cover body which are positioned on two sides of the motor, and the first cover body and the second cover body are transversely butted to wrap the motor body;

or a plurality of silencing holes communicated with the inner cavity of the motor cover are formed in the motor cover.

Furthermore, the rear end of the motor cover is provided with an opening, the supporting seat is provided with an air duct communicated with the outside, the opening is flexibly connected with an inlet of the air duct, and the rear end of the motor is provided with a circulating fan which extends out of the opening at the rear end of the motor cover and extends into the inlet of the air duct;

or the motor cover comprises an inner layer wall, an outer layer wall and a sound insulation cavity positioned between the inner layer wall and the outer layer wall.

Further, a first damping piece is arranged between the motor and the crushing cup;

or a second damping piece is arranged between the motor cover and the crushing cup;

or the crushing cup is a metal cup body integrally formed with the heating pipe.

Furthermore, the supporting seat is provided with an air duct, the supporting seat comprises a base used for supporting the smashing cup assembly and a bottom shell fixed with the base, and the air duct is formed by surrounding the base and the bottom shell.

According to the food processor, the smashing cup assembly is supported on the supporting seat through the flexible positioning structure formed by the matching of the positioning column and the positioning hole, the smashing cup assembly can float on the supporting seat, meanwhile, the axial matching distance C1 between the positioning column and the positioning hole is larger than the axial floating distance of the smashing cup assembly, therefore, the flexible positioning structure can form a fulcrum similar to a tumbler, the smashing cup assembly can float for 360 degrees in the radial direction around the fulcrum, the smashing cup assembly can generate low-frequency vibration in a larger range due to the axial floating and the circumferential floating of the smashing cup assembly, meanwhile, the smashing cup assembly can generate high-frequency vibration due to the vibration of a motor, when the high-frequency vibration is superposed with the low-frequency vibration in a larger range, the vibration amplitude of the smashing cup assembly can be greatly reduced, the probability of resonance noise caused by other parts of the food processor is further reduced, and the noise value generated by the food processor is also lower. Even if the crushing power of the motor is improved, the low-frequency floating range of the crushing cup assembly can be synchronously increased, so that the resonance phenomenon caused by high-frequency vibration of the motor is greatly offset.

Meanwhile, because the supporting seat supports the distance of the fulcrum of the motor cover to the front end of the motor body and is not less than 1/3 of the height of the motor body, therefore, the radial swinging frequency and the swinging amplitude of the upper end of the crushing cup far away from the fulcrum can be aggravated, when the food processor is cleaned, on one hand, the force and the height of flushing the inner wall of the crushing cup by the cleaning water in the crushing cup are correspondingly increased, on the other hand, the radial swinging frequency of the crushing cup is increased, the frequency of flushing the cleaning water to and fro and repeatedly to the inner wall of the crushing cup is also increased, thereby the residue adhered to the inner wall of the crushing cup is flushed completely, and the self-cleaning effect of the food processor is greatly improved. Moreover, because the crushing cup assembly can realize radial 360-degree tumbler deflection floating, in the cleaning process, cleaning water can be further increased along the rotation upwelling of the inner wall of the crushing cup, regardless of the rotation impact strength or the rotation upwelling amplitude, so that the inner wall of the whole crushing cup can be cleaned.

Drawings

The invention will be further described with reference to the accompanying drawings in which:

FIG. 1 is a schematic block diagram of an embodiment of a food processor according to the present invention;

FIG. 2 is a schematic cross-sectional view of the food processor of FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a schematic structural diagram of the limiting element in FIG. 2;

FIG. 6 is a schematic view of the supporting seat shown in FIG. 2;

fig. 7 is a partially exploded view of fig. 1.

Detailed Description

Example (b):

fig. 1, 2, 3, 4, 5, 6 and 7 show a schematic structural view of a food processor according to an embodiment of the present invention. The utility model provides a food processor, includes casing 1, sets up crushing cup subassembly 2 in casing 1 and is used for supporting crushing cup subassembly 2's supporting seat 3, supporting seat 3 is located the bottom of casing 1 and fixed with casing 1, crushing cup subassembly 2 is including smashing cup 21, motor 22 and linking bridge 23 of being connected integrative with smashing cup 21, motor 22 is located the bottom of smashing cup 21, just linking bridge 23 is located the outside of motor 22, and its upper end and smashing cup 21 fixed connection, and the lower extreme extends to the rear end of motor 22 to, be connected through flexible location structure between the lower extreme of linking bridge 23 and supporting seat 3, during motor 22 work, crushing cup subassembly 2 can float on supporting seat 3 through flexible location structure.

In this embodiment, the grinding cup 21 is a metal cup body integrally formed with a heating body pipe (not shown), and a rotating shaft (not shown) driven by a motor 22 penetrates through the bottom of the grinding cup 21 and extends into the grinding cup 21, and a grinding device (not shown) is mounted at the end of the rotating shaft. The protruding casing 1 outside that stretches out of rim of a cup of smashing cup 21, and rim of a cup department seal installation have bowl cover 6, bowl cover 6 has the supplementary chamber (not drawn in the picture) that liquid can upwelling entered, has bowl cover 6 and smashes cup 21 to enclose and closes and form the slurrying cavity (not marked in the picture).

In this embodiment, the flexible positioning structure includes a positioning hole 34 disposed on the supporting seat 3, a positioning post 234 disposed at the lower end of the connecting bracket 23 and inserted into the positioning hole 34, and a flexible member 24, wherein the flexible member 24 is used for isolating the connecting bracket 23 from the supporting seat 3 when the positioning post 234 is inserted into the positioning hole 34. In this embodiment, the flexible member 24 is a silica gel sleeve, the silica gel sleeve is sleeved outside the positioning column 234, the positioning column 234 and the silica gel sleeve are inserted into the positioning hole 34, an outward flange 241 is further disposed at a rear end of the silica gel sleeve, and when the grinding cup assembly 2 is installed on the support base 3, the connecting support 23 and the support base 3 clamp the flange 241. In this embodiment, the supporting seat 3 is used for supporting the fulcrum W of the connecting bracket 23 to be lower than the center of gravity of the motor.

Optionally, in this embodiment, the connecting bracket 23 is a motor cover sleeved outside the motor 22, and the motor cover can isolate noise generated by vibration of the motor 22. The rear end of the motor cover is provided with an opening 230, the supporting base 3 is provided with an air duct 30 communicated with the outside, the opening 230 is flexibly connected with the inlet of the air duct 30 through soundproof cotton (not shown in the figure), and the rear end of the motor 22 is provided with a circulating fan 223 extending out of the opening 230 at the rear end of the motor cover and extending into the inlet of the air duct. Wherein, the supporting seat 3 comprises a base 31 for supporting the pulverizing cup assembly 2 and a bottom shell 32 fixed with the base 31, and the air duct 30 is formed by the base 31 and the bottom shell 32 in an enclosing manner.

Meanwhile, in this embodiment, the upper portion of the pulverizing cup 21 is located, a limiting member 4 for radially and axially limiting the pulverizing cup 21 is disposed in the casing 1, the limiting member 4 is fixed to the inner wall of the casing 1 by a screw (not marked in the figure), the limiting member 4 has a limiting cavity 40, and the upper portion of the pulverizing cup 21 is located in the limiting cavity 40 and floats. The limiting piece 4 is a limiting ring which is sleeved outside the crushing cup 21 and has a folded section, and the limiting cavity 40 is an annular cavity formed by enclosing the inner wall of the limiting ring and the outer wall of the crushing cup 21. Smash cup 21 outer wall and be provided with outside bellying 211, bellying 211 is located spacing chamber 40, bellying 211 is cyclic annular, and the bellying 211 outside parcel has the damping ring 5 with locating part 4 and crushing cup 21 isolation. And, be provided with buffer rib 41 on the chamber wall of spacing chamber 40, buffer rib 41 encircles the circumference interval setting of smashing cup 21. The top of the machine shell 1 is also provided with a cover plate 7, the cover plate 7 is covered on the top of the machine shell 1, the limiting piece 4 is hidden in the machine shell 1, and a sealing ring 8 is arranged in a gap between the cover plate 7 and the grinding cup 21 to prevent external impurities from entering the machine shell 1.

For the embodiment, after the technical scheme is adopted, the grinding cup assembly can float on the supporting seat, so that on one hand, the grinding cup assembly can generate high-frequency vibration due to the vibration of the motor, on the other hand, the grinding cup assembly can also generate low-frequency vibration due to the floating of the grinding cup assembly, and when the high-frequency vibration and the low-frequency vibration are superposed, the vibration amplitude of the grinding cup assembly can be greatly attenuated, so that the probability of the resonant noise caused by other parts of the food processor is greatly reduced. Moreover, even if the crushing power of the motor is increased, the low-frequency floating of the crushing cup assembly can be increased, so that the resonance phenomenon caused by the high-frequency vibration of the motor is greatly counteracted. Meanwhile, because the fulcrum W that the supporting seat supported linking bridge is less than the focus of motor, consequently, the radial swing frequency and the amplitude of oscillation of the crushing cup upper end of keeping away from fulcrum W can aggravate, food preparation machine is when wasing, on the one hand smash the dynamics and the highly corresponding increase of the inner wall that washes crushing cup that gushes on the washing water in the cup, and, on the other hand is because the radial swing frequency who smashes the cup increases, the frequency that washing water washed repeatedly back and forth relative crushing cup inner wall also can increase, thereby wash the residue that adheres to in crushing cup inner wall cleanly, the effect of food preparation machine self-cleaning has been promoted by a wide margin.

It should be noted that, in this embodiment, a first damping member may be disposed between the motor and the pulverizing cup, and a second damping member may be disposed between the connecting bracket and the pulverizing cup, so as to further reduce the amplitude of the high-frequency vibration and reduce the generation of the resonance noise. Meanwhile, in this embodiment, the flexible positioning structure of the connecting support and the supporting seat is not limited to the scheme disclosed in this embodiment, for example, the positioning hole can also be arranged on the connecting support, and the positioning column is arranged on the supporting seat, or the flexible part is a damping spring, and the damping spring is sleeved outside the positioning column, etc.

It should be noted that, in the present embodiment, the fulcrum W is lower than the center of gravity of the motor, wherein in the present embodiment, the motor body means that the motor includes a motor body portion such as a stator, a rotor, a magnetic shoe, and a commutator, and generally, the center of gravity of the motor is located at 1/2 of the motor body. The inventor discovers through research that when the distance from the pivot W to the front end of the motor body is not less than 1/3 of the height of the motor body, the cleaning effect of the inner wall of the grinding cup can be better than that of the existing product which is not washed by hands.

It should be noted that, in this embodiment, the axial fitting distance C1 between the positioning column and the positioning hole is required to be greater than the axial floating distance of the pulverizing cup assembly, so as to prevent the pulverizing cup assembly from falling off from the supporting seat when the pulverizing cup assembly is floating in the axial direction. Of course, in this embodiment, the floating of the grinding cup assembly is not limited to axial floating, and because the lower end of the connecting bracket is flexibly positioned with the supporting seat, the grinding cup can form 360-degree radial floating similar to a tumbler around the flexible positioning structure. In this embodiment, be provided with the buffering muscle on the chamber wall in spacing chamber and can carry out local spacing to smashing the cup when smashing the radial unsteady of cup, when preventing to smash the radial unsteady time of cup, produce violent striking. Of course, for the embodiment, the position-limiting element is not limited to the position-limiting ring and the mounting structure in the embodiment, and the position-limiting element may also be integrally formed with the housing.

It should be noted that, in the food processor of this embodiment, because the flexible positioning structure formed by the positioning column and the positioning hole is supported on the supporting seat, the grinding cup assembly can float on the supporting seat, and meanwhile, because the axial matching distance C1 between the positioning column and the positioning hole is greater than the axial floating distance of the grinding cup assembly, the flexible positioning structure can form a fulcrum similar to a tumbler, so that the grinding cup assembly can float for 360 degrees in the radial direction around the fulcrum, and the grinding cup assembly can generate low-frequency vibration in a wider range due to the axial floating and circumferential floating of the grinding cup assembly, and meanwhile, the grinding cup assembly can also generate high-frequency vibration due to the vibration of the motor, and when the high-frequency vibration is superposed with the low-frequency vibration in a wider range, the vibration amplitude of the grinding cup assembly can be greatly attenuated, so that the probability of resonance noise caused by other parts of the food processor is further reduced, and the noise value generated by the food processor is also lower. Even promote the crushing power of motor, the low frequency floating range of smashing cup subassembly self also can increase in step to offset the resonance phenomenon that motor high frequency vibration arouses by a wide margin. Meanwhile, because the tumbler deflection that smashes the cup subassembly and can realize radial 360 is floated, consequently, abluent in-process washs water and gushes along smashing the cup inner wall rotation, no matter be the rotatory impact dynamics, still gushes the degree in the rotation, also can further increase to the realization is to the washing of whole crushing cup inner wall, has promoted consumer's use greatly and has experienced.

Similarly, the connecting bracket in this embodiment is not limited to the motor cover, but may be a connecting column directly connecting the grinding cup with the supporting seat. Moreover, the cup cover in the embodiment can be replaced by an upper cup body with large capacity. In addition, it should be noted that, in order to further improve the sound insulation effect of the motor cover, the motor cover may also be configured to be a double-wall structure, for example, the motor cover includes an inner wall, an outer wall, and a sound insulation cavity located between the inner wall and the outer wall. It should also be noted that, for this embodiment, the flexible positioning structure that sets up between linking bridge and the supporting seat can realize that crushing cup subassembly floats on the supporting seat, consequently, can realize crushing cup subassembly flexibility to other can realize in the trade that the supporting seat is fixed a position on the supporting seat, can realize again that other flexible positioning structures that float on the supporting seat also can be applied to this embodiment.

In addition, for this embodiment, the positioning hole may be a blind hole or a through hole, and in order to prevent the flexible member from being jammed into the positioning hole and being unable to be taken out, the positioning hole is preferably a through hole. Also, with the present embodiment, in order to reduce the weight and increase the strength of the motor cover, the motor cover may be provided as an aluminum-based cover, such as a motor cover cast by aluminum metal, or an aluminum alloy motor cover. Simultaneously, the motor cover of this embodiment can also include the first cover body and the second cover body that are located the motor both sides, the first cover body is covered the motor body parcel with the horizontal butt joint of second cover body. And a plurality of silencing holes communicated with the inner cavity of the motor cover can be arranged on the motor cover, wherein a labyrinth silencing passage for communicating the silencing holes with the inner cavity of the motor cover is arranged in the peripheral wall of the motor cover.

The food processor of the embodiment is a soymilk maker or a wall breaking machine which does not need to be washed by hands, a water tank (not marked in the figure) arranged on the supporting seat is also arranged at the rear side of the food processor, and the water tank can be communicated with the crushing cup through a water supply device to realize water feeding and pulping or water feeding and cleaning in the crushing cup. It is of course also to be noted that the food processor according to the invention is not limited to washing the product without hand, but may also be a conventional wall breaking machine.

It will be appreciated by those skilled in the art that the present invention includes, but is not limited to, those illustrated in the accompanying drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides a silence food preparation machine, includes the casing, sets up crushing cup subassembly in the casing and is used for supporting the supporting seat of smashing the cup subassembly, the supporting seat is located the bottom of casing and fixed its characterized in that with the casing: the grinding cup assembly comprises a grinding cup, a motor and a motor cover, the motor is mounted at the bottom of the grinding cup and connected with the grinding cup, the motor cover covers the outer side of the motor and wraps a motor body, a first damping piece is arranged between the motor and the grinding cup, the upper end of the motor cover is fixedly connected with the grinding cup, the lower end of the motor cover is supported by a supporting seat through a flexible positioning structure, the flexible positioning structure comprises a positioning hole, a positioning column and a flexible piece, the positioning column and the flexible piece are inserted into the positioning hole, one of the motor cover and the supporting seat is provided with the positioning hole, the other of the motor cover and the supporting seat is provided with a corresponding positioning column, the flexible piece is used for isolating the motor cover from the supporting seat when the positioning column is inserted into the positioning hole, the flexible piece is a silica gel sleeve, the silica gel sleeve is sleeved on the outer side of the positioning column, the positioning column and the silica gel sleeve are inserted into the positioning hole, an outward flange is further arranged at the rear end of the silica gel sleeve, and the grinding cup assembly is mounted on the supporting seat, and the motor cover and the supporting seat are clamped and the flange; the distance from the supporting seat to the front end of the motor body is not less than 1/3 of the height of the motor body, the grinding cup assembly is positioned on the supporting seat to float when the motor works, and the axial matching distance C1 between the positioning column and the positioning hole is greater than the axial floating distance of the grinding cup assembly.

2. The silent food processor as defined in claim 1, wherein: the positioning column is arranged on the motor cover, and the positioning hole is positioned on the supporting seat;

or the positioning holes are blind holes or through holes.

3. The silent food processor as defined in claim 1, wherein: the upper portion that is located crushing cup, be provided with in the casing and carry out radial and the spacing locating part of axial to crushing cup, the locating part has spacing chamber, it floats to be located spacing intracavity on crushing cup upper portion.

4. The silent food processor according to claim 3, wherein: buffer ribs are arranged on the wall of the limiting cavity and are arranged at intervals around the circumference of the crushing cup;

or an outward bulge is arranged on the outer wall of the crushing cup and is positioned in the limiting cavity, the bulge is annular, and a damping ring for isolating the limiting piece from the crushing cup is wrapped on the outer side of the bulge;

or, the limiting piece and the casing are integrally formed;

or, the limiting piece is fixed on the inner wall of the casing;

or, the mute food processor also comprises a cover plate, the cover plate is covered on the top of the casing, the limiting piece is hidden in the casing, and a sealing ring is arranged in a gap between the cover plate and the crushing cup.

5. The silent food processor according to claim 3, wherein: the limiting piece is a limiting ring sleeved on the outer side of the crushing cup, and the limiting cavity is an annular cavity formed by the enclosing of the inner wall of the limiting ring and the outer wall of the crushing cup;

6. The silent food processor as defined in claim 1, wherein: the motor cover is an aluminum-based cover; or the motor cover comprises a first cover body and a second cover body which are positioned on two sides of the motor, and the first cover body and the second cover body are transversely butted to wrap the motor body;

7. The silent food processor as defined in claim 1, wherein: the rear end of the motor cover is provided with an opening, the supporting seat is provided with an air channel communicated with the outside, the opening is flexibly connected with an inlet of the air channel, and the rear end of the motor is provided with a circulating fan which extends out of the opening at the rear end of the motor cover and extends into the inlet of the air channel;

8. The silent food processor as defined in claim 1, wherein: a second damping piece is arranged between the motor cover and the crushing cup;

9. The silent food processor as defined in claim 1, wherein: the supporting seat is provided with an air channel, the supporting seat comprises a base and a bottom shell, the base is used for supporting the smashing cup assembly, the bottom shell is fixed to the base, and the air channel is formed by surrounding the base and the bottom shell.