CN219782387U

CN219782387U - Food processor with good noise reduction effect

Info

Publication number: CN219782387U
Application number: CN202320310074.XU
Authority: CN
Inventors: 王旭宁; 叶超
Original assignee: Hangzhou Joyoung Household Electrical Appliances Co Ltd
Current assignee: Hangzhou Joyoung Household Electrical Appliances Co Ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-10-03
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a food processor with good noise reduction effect, which relates to the field of household appliances, and comprises a cup body with a crushing cavity, a crushing device arranged in the crushing cavity, a motor arranged below the cup body and driving the crushing device to rotate, a shell covered outside the cup body and the motor, a first motor cover covered outside the motor, a second motor cover covered outside the first motor cover, a first sound insulation cavity formed between the first motor cover and the second motor cover, and a second sound insulation cavity formed between the second motor cover and the shell, wherein the noise generated by the motor can be reduced from outwards spreading under the blocking rebound effect of the first motor cover in the high-speed rotation process of the motor, and meanwhile, the first sound insulation cavity and the second sound insulation cavity also have the noise reduction effect, so that the noise reduction of the first motor cover, the noise reduction of the first sound insulation cavity and the triple noise insulation cavity are realized, the noise reduction of the noise reduction to the outside is greatly reduced, and the user experience is improved.

Description

Food processor with good noise reduction effect

Technical Field

The utility model relates to the technical field of household appliances, in particular to a food processor with good noise reduction effect.

Background

The existing food processor generally comprises a cup body with a crushing cavity, a crushing device arranged in the crushing cavity, a motor arranged below the cup body and used for driving the crushing device to rotate, and a shell body in a cover shape outside the cup body, wherein when a user uses the food processor to process food materials, the motor drives the crushing device to rotate at a high speed so as to process the food materials in the crushing cavity. But when the motor rotates at a high speed, the motor cover can be provided with a motor cover for reducing outward transmission of noise, the motor cover can be provided with a motor cover for reducing outward transmission of sound volume, and the noise generated by the motor can be used for reducing outward transmission of sound volume under the blocking rebound effect of the motor cover, so that the noise reduction effect is achieved, but in the actual use process, the motor cover can not realize complete blocking of the noise, and still the larger noise is transmitted outwards through the motor cover, so that the use experience of consumers is seriously influenced.

Disclosure of Invention

The utility model aims to provide a food processor with good noise reduction effect, which is used for solving the problem that noise generated by a motor is greatly transmitted outwards when the existing food processor works.

In order to achieve the above object, the present utility model provides a food processor with good noise reduction effect, which comprises a cup body with a crushing cavity, a crushing device arranged in the crushing cavity, a motor arranged below the cup body and driving the crushing device to rotate, a shell covered outside the cup body and the motor, a first motor cover covered outside the motor, a second motor cover covered outside the first motor cover, a first sound insulation cavity formed between the first motor cover and the second motor cover, and a second sound insulation cavity formed between the second motor cover and the shell.

According to the utility model, the first motor cover is arranged on the motor cover, so that the periphery of the motor is isolated from the outside, and the noise generated by the motor can be reduced from spreading outwards under the action of blocking and rebounding of the first motor cover in the high-speed rotation process of the motor, so that the noise reduction effect is achieved, an air duct can be formed in the first motor cover, and the heat dissipation effect on the motor is improved. Simultaneously still cover in the first motor cover outside and be equipped with the second motor cover, and be formed with first sound insulation chamber between first motor cover and second motor cover, so that propagate the noise in the outside after passing through first motor cover and can realize further making an uproar in first sound insulation chamber, further reduce the diffusion of motor noise, and can also form the second sound insulation chamber between second motor cover and casing, so that even through the noise of first sound insulation cover effluvium also can obtain further making an uproar in second sound insulation chamber, thereby the noise of first motor cover is fallen, the noise of first sound insulation chamber falls and the triple noise of second sound insulation chamber falls, greatly reduced the propagation of noise to the external world, user experience has been promoted.

In a preferred implementation of the food processor with good noise reduction, the motor is fixed to the bottom of the cup by a second motor cover.

Through setting up the motor into being fixed in the cup bottom through the second motor cover for the second motor cover is in realizing that the sound insulation falls and falls, and the motor can also be fixed in the cup bottom through the second motor cover, realizes the functional integration of second motor cover, has saved the step of establishing the part in addition with the motor is fixed, helps reducing the spare part quantity of complete machine, promotes the inside compact structure of machine, reduces the occupation space of complete machine, can also reduce manufacturing cost simultaneously.

In a preferred implementation of the food processor with good noise reduction, the food processor further comprises a circuit board assembly, and the second motor housing is provided with a mounting slot for fixing the circuit board assembly.

Through being equipped with the mounting groove of fixed circuit board subassembly on the second motor cover, further promoted the functionality of second motor cover, saved the step of establishing the part in addition and installing circuit board subassembly, not only can further promote the compact of machine structure, further reduced manufacturing cost simultaneously to after installing circuit board subassembly to the mounting groove, be connected second motor cover and motor etc. together with the cup again, realized the modularization equipment, make assembly convenient and fast more, help promoting assembly efficiency.

In a preferred implementation of the food processor with good noise reduction effect, the second motor cover includes a fence portion surrounding the first motor cover, and the mounting groove is provided on the fence portion.

Through setting up the second motor cover to including enclosing the fender portion of establishing in the first motor cover outside, and the mounting groove is located and is enclosed on keeping off the portion, make the extending direction of mounting groove for along the axial extension of complete machine, and be located the periphery of motor, make the installation of circuit board subassembly also along the axial installation of complete machine, and need not prolong the axial height of complete machine, the radial setting of having avoided the mounting groove along complete machine leads to circuit board subassembly to cause complete machine radial dimension great along the radial installation of complete machine, so that occupation space is too big condition, help promoting inner structure's compact, reduce the occupation space of complete machine.

In a preferred implementation of the food processor with good noise reduction, the enclosure portion is recessed to form a mounting groove; or,

the enclosure portion is open to form a mounting slot.

Through with enclosing the portion indent of keeping off in order to form the mounting groove for second motor cover and first motor cover are when forming first sound insulation chamber, and the mounting groove is smaller in radial size, thereby makes the circuit board subassembly be unlikely to the evagination too big radial size that leads to the complete machine after installing to the mounting groove too big, has further promoted inner structure's compactness.

The mounting groove is formed by opening the part of the enclosing part, so that the circuit board assembly can be directly clamped in the mounting groove, and part of the circuit board assembly can also extend into the first sound insulation cavity, thereby being beneficial to reducing the protruding size of the circuit board assembly and further reducing the radial size of the whole machine; on the other hand, the mold stripping amount of the second motor cover is reduced, so that the production cost of the second motor cover is reduced.

In a preferred implementation of the food processor with good noise reduction, the circuit board assembly includes a circuit board and a circuit board bracket, the circuit board being secured to the mounting slot by the circuit board bracket.

Through setting up the circuit board subassembly to including circuit board and circuit board support, the circuit board is fixed in the mounting groove through the circuit board support, promotes the connection cooperation stability of circuit board and mounting groove, avoids the long-time back of using of food processor for vibrations of motor lead to the circuit board to be connected unstably with the mounting groove and cause its aversion even break away from the condition of mounting groove. Meanwhile, the circuit board support achieves isolation of the circuit board and the mounting groove, so that the speed of heat on the mounting groove to spread to the circuit board is reduced, the heat insulation effect is achieved, the situation that the circuit board temperature rise obviously causes serious ageing of electrical parts is avoided, and the service life of the circuit board is prolonged.

In a preferred implementation mode of the food processor with good noise reduction effect, the circuit board bracket comprises a mounting part matched with the mounting groove and a limiting part connected to the top end or the bottom end of the mounting part and extending outwards, and the limiting part is abutted with the inner wall of the shell; or,

the bottom end or the top end of the circuit board support is provided with a guide post, the installation groove is provided with a guide groove matched with the guide post, and one end of the circuit board support, which is far away from the guide post, is fixedly connected with the installation groove.

Through set up the circuit board support to including with mounting groove complex installation department and connect in installation department top or bottom and outside spacing portion that extends, and spacing portion and shells inner wall butt for the circuit board support passes through spacing portion and the spacing location of realizing to the circuit board of butt of casing, guarantees the reliability of circuit board subassembly position, further avoids the condition that circuit board etc. take place the displacement, and can avoid circuit board subassembly and shells inner wall to have the clearance to lead to the motor to bump the condition that produces the noise with the casing when rotating, further reduced the production of noise, promoted user's use experience.

Through being equipped with the guide post in circuit board support bottom or top, the mounting groove is equipped with guide post complex guide slot, and circuit board support keep away from the one end and the mounting groove fixed connection of guide post for when installing circuit board support, can cooperate guide post and guide slot earlier, realize the initial positioning of circuit board subassembly, then keep away from the one end and the mounting groove fixed connection of guide post with circuit board support through connecting piece etc. to circuit board support, realize the fixed to circuit board support, help improving assembly efficiency.

In a preferred implementation mode of the food processor with good noise reduction effect, the second motor cover comprises a fixing part arranged between the motor and the cup body and a surrounding and blocking part extending downwards from the fixing part, the surrounding and blocking part is arranged on the outer side of the first motor cover, and the fixing part or the surrounding and blocking part is provided with a fixing part fixedly connected with the first motor cover.

Through with the fixed part between motor and the cup and from the fixed part downwardly extending enclose fender portion, and enclose fender portion and enclose and establish in the first motor cover outside, fixed part or enclose fender portion be equipped with first motor cover fixed connection's the portion that links firmly, realize that the connection of first motor cover and second motor cover is fixed, promote both connection complex stability, can also improve the sound insulation effect of first motor cover and second motor cover simultaneously, gap between the two when reduces as far as, noise reduction's excessive has promoted user experience.

In a preferred implementation of the food processor with good noise reduction, a first shock pad is arranged between the second motor cover and the motor, and/or a second shock pad is arranged between the second motor cover and the cup.

Through be equipped with first shock pad between second motor cover and motor to/or, be equipped with the second shock pad between second motor cover and the cup, make the motor when high-speed rotation, the vibrations of motor second motor cover transmission can reduce under the shock attenuation cushioning effect of first shock pad, avoided second motor cover and motor to take place the condition of relative vibrations production great noise, simultaneously the second motor cover is to the driven vibrations on the cup, can realize shock attenuation buffering through the second shock pad again, avoid second motor cover and cup to take place the noise that relative vibrations produced, further promoted the amortization noise reduction effect of complete machine, user's use experience has been promoted.

In a preferred embodiment of the food processor with good noise reduction, the first sound-insulating chamber or the second sound-insulating chamber is provided with a sound-absorbing element.

Through be equipped with at first sound insulation chamber or second sound insulation intracavity and inhale the sound spare for the noise that gets into first sound insulation chamber or second sound insulation intracavity can realize further making an uproar under the sound absorbing effect who inhales the sound spare, has further reduced the propagation of noise to the external world, has promoted the noise reduction effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a cross-sectional view of a food processor in accordance with one embodiment of the present utility model;

FIG. 2 is an exploded view of a food processor in one embodiment of the utility model;

FIG. 3 is a semi-sectional view of a food processor in accordance with one embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a motor or the like in one embodiment of the utility model;

fig. 5 is an exploded view of a motor and the like in one embodiment of the present utility model.

Reference numerals illustrate:

1-a cup body and 11-a crushing cavity; 2-a crushing device; 3-an electric motor; 4-a housing; 5-a first motor cover, 51-a first sound-insulating chamber; 6-a second motor cover, 61-a second sound insulation cavity, 62-a fixing part, 621-a fixing part, 63-a surrounding part, 64-a mounting groove and 641-a guide groove; 7-circuit board components, 71-circuit boards, 711-limiting parts, 72-circuit board brackets and 721-guide posts; 8-a first shock pad.

Detailed Description

In order to more clearly illustrate the general inventive concept, reference will be made in the following detailed description, by way of example, to the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the scope of the present utility model is not limited by the specific embodiments disclosed below.

As shown in fig. 1 to 5, the present utility model provides a food processor with good noise reduction effect, comprising a cup body 1 having a crushing cavity 11, a crushing device 2 arranged in the crushing cavity 11, a motor 3 arranged below the cup body 1 and driving the crushing device 2 to rotate, a shell 4 covered outside the cup body 1 and the motor 3, a first motor cover 5 covered outside the motor 3, a second motor cover 6 covered outside the first motor cover 5, a first sound insulation cavity 51 formed between the first motor cover 5 and the second motor cover 6, and a second sound insulation cavity 61 formed between the second motor cover 6 and the shell 4.

According to the utility model, the first motor cover 5 is arranged on the outer cover of the motor 3, so that the outer periphery of the motor 3 is isolated from the outside, and the noise generated by the motor 3 can be reduced from spreading outwards under the blocking rebound effect of the first motor cover 5 in the high-speed rotation process of the motor 3, thereby having the effect of reducing noise, and an air duct can be formed in the first motor cover 5, so that the heat dissipation effect of the motor 3 is improved. Meanwhile, the second motor cover 6 is further covered outside the first motor cover 5, and a first sound insulation cavity 51 is formed between the first motor cover 5 and the second motor cover 6, so that noise transmitted to the outside after passing through the first motor cover 5 can be further reduced in the first sound insulation cavity 51, the diffusion of the noise of the motor 3 is further reduced, a second sound insulation cavity 61 can be further formed between the second motor cover 6 and the shell 4, so that even the noise scattered outside through the first sound insulation cover can be further reduced in the second sound insulation cavity 61, the noise of the first motor cover 5, the noise of the first sound insulation cavity 51 and the triple noise of the second sound insulation cavity 61 are realized, the transmission of the noise to the outside is greatly reduced, and the use experience of a user is improved.

The fixing manner of the motor 3 is not particularly limited, and may be fixed to the bottom of the cup 1 by a bracket or the like of the motor 3, or may be directly fixed to the bottom of the cup 1, and as a preferred embodiment of the present utility model, as shown in fig. 1, the motor 3 is fixed to the bottom of the cup 1 by a second motor cover 6.

Through setting up motor 3 to be fixed in cup 1 bottom through second motor cover 6 for second motor cover 6 is in the realization sound insulation and falls the noise while, and motor 3 can also be fixed in cup 1 bottom through second motor cover 6, realizes the functional integration of second motor cover 6, has saved the step of establishing the part in addition with motor 3 fixed, helps reducing the spare part quantity of complete machine, promotes the inside compact structure of machine, reduces the occupation space of complete machine, can also reduce manufacturing cost simultaneously.

As a preferred embodiment of the present utility model, as shown in fig. 1, 2 and 3, the food processor further includes a circuit board assembly 7, and the second motor cover 6 is provided with a mounting groove 64 for fixing the circuit board assembly 7.

Through be equipped with the mounting groove 64 of fixed circuit board subassembly 7 on second motor cover 6, further promoted the functional of second motor cover 6, saved the step of establishing the part in addition and installed circuit board subassembly 7, not only can further promote the compact of machine structure, further reduced manufacturing cost simultaneously, and after installing circuit board subassembly 7 to mounting groove 64, be connected second motor cover 6 and motor 3 etc. with cup 1 together again, the modularization equipment has been realized, and the whole occupation space of circuit board subassembly 7 has been reduced, and then can be under the circumstances that does not influence installation effectiveness, the restriction of rim of a cup to inner structure space has been avoided because the size of rim of a cup has restricted the mounting means of circuit board subassembly 7 etc. structure, make assembly convenient and fast more, help promoting assembly efficiency.

In the present utility model, the position of the mounting groove 64 is not particularly limited, and as one preferable aspect of the present utility model, the second motor cover 6 includes a surrounding portion 63 surrounding the outside of the first motor cover 5, as shown in fig. 1 and 4, and the mounting groove 64 is provided on the surrounding portion 63.

Through setting up second motor cover 6 to including enclosing the fender portion 63 of establishing in the outside of first motor cover 5, and mounting groove 64 locates on enclosing fender portion 63, make the extending direction of mounting groove 64 be along the axial extension of complete machine, and be located motor 3's periphery, make the installation of circuit board subassembly 7 also install along the axial of complete machine, and need not prolong the axial height of complete machine, avoided mounting groove 64 to lead to circuit board subassembly 7 to cause complete machine radial dimension great along the radial installation of complete machine, so that occupation space too big condition, help promoting inner structure's compact, reduce the occupation space of complete machine.

Of course, the forming of the mounting groove 64 is not limited to the above-mentioned configuration, but may be formed on the fixing portion 62 between the motor 3 and the cup 1, for example, the fixing portion 62 is configured to extend radially outward to a larger size, and the mounting groove 64 is formed on the fixing portion 62, which is not described herein.

It should be further noted that the structure of the mounting groove 64 is not particularly limited in the present utility model, and may be any of the following embodiments:

example 1: as shown in fig. 2, 3, 5, in this embodiment, the enclosure 63 is partially recessed to form a mounting slot 64.

By partially recessing the enclosure portion 63 to form the mounting groove 64, the mounting groove 64 is smaller in the radial direction while the second motor cover 6 and the first motor cover 5 form the first sound insulation chamber 51, so that the wiring board assembly 7 is not excessively large in the radial direction due to excessively large outer protrusions after being mounted to the mounting groove 64, and the compactness of the internal structure is further improved.

Example 2: in this embodiment, the enclosure 63 is partially open to form a mounting slot 64.

The mounting groove 64 is formed by opening part of the enclosing part 63, so that the circuit board assembly 7 can be directly clamped in the mounting groove 64, and part of the circuit board assembly 7 can also extend into the first sound insulation cavity 51, thereby being beneficial to reducing the protruding size of the circuit board assembly 7 and further reducing the radial size of the whole machine; on the other hand, the amount of the second motor cover 6 to be ejected can be reduced, thereby reducing the production cost of the second motor cover 6.

As a preferred embodiment of the present utility model, as shown in fig. 3, the wiring board assembly 7 includes a wiring board 71 and a wiring board holder 72, and the wiring board 71 is fixed to the mounting groove 64 by the wiring board holder 72.

Through setting up circuit board assembly 7 to including circuit board 71 and circuit board support 72, circuit board 71 is fixed in mounting groove 64 through circuit board support 72, promotes the connection cooperation stability of circuit board 71 and mounting groove 64, avoids after the food processor used for a long time, and vibrations for motor 3 lead to circuit board 71 and mounting groove 64 to be connected unstably and cause its condition of shifting even breaking away from mounting groove 64. Meanwhile, the circuit board support 72 realizes the isolation of the circuit board 71 and the mounting groove 64, so that the speed of heat on the mounting groove 64 spreading to the circuit board 71 is reduced, the heat insulation effect is realized, the situation that the temperature rise of the circuit board 71 obviously causes serious ageing of electrical parts is avoided, and the service life of the circuit board 71 is prolonged.

Further, as shown in fig. 3, the circuit board support 72 includes a mounting portion that mates with the mounting groove 64 and a limiting portion 711 that is connected to the top end or the bottom end of the mounting portion and extends outward, and the limiting portion 711 abuts against the inner wall of the housing 4.

Through setting up circuit board support 72 to including with mounting groove 64 complex installation department and connect in the spacing portion 711 of installation department top or bottom and outside extension, and spacing portion 711 and casing 4 inner wall butt for circuit board support 72 passes through spacing portion 711 and the spacing location of realizing to circuit board 71 of butt of casing 4, guarantees the reliability of circuit board subassembly 7 position, further avoids the condition that circuit board 71 etc. take place the displacement, and can avoid circuit board subassembly 7 to have the clearance to lead to the condition that circuit board subassembly 7 bump with casing 4 when motor 3 rotates with casing 4 inner wall, further reduced the production of noise, promoted user experience.

As a preferable example of this embodiment, as shown in fig. 1, a guide post 721 is provided at the bottom end or top end of the circuit board holder 72, a guide groove 641 is provided in the mounting groove 64 to be fitted with the guide post 721, and an end of the circuit board holder 72 remote from the guide post 721 is fixedly connected to the mounting groove 64.

Through will be equipped with guide post 721 in circuit board support 72 bottom or top, mounting groove 64 is equipped with guide post 721 complex guide slot 641, and circuit board support 72 keep away from guide post 721's one end and mounting groove 64 fixed connection for when installing circuit board support 72, can cooperate guide post 721 and guide slot 641 earlier, realize circuit board assembly 7's initial positioning, then keep away from circuit board support 72's one end and mounting groove 64 fixed connection of guide post 721 through connecting piece etc. realizes the fixed of circuit board support 72, helps improving assembly efficiency.

As a preferred embodiment of the present utility model, as shown in fig. 4, the second motor cover 6 includes a fixing portion 62 provided between the motor 3 and the cup 1, and a surrounding portion 63 extending downward from the fixing portion 62, and the surrounding portion 63 is surrounded on the outside of the first motor cover 5, and the fixing portion 62 or the surrounding portion 63 is provided with a fixing portion 621 fixedly connected to the first motor cover 5. Specifically, as shown in fig. 1, the fastening portion 621 is a stud to which the fixing portion 62 extends downward, and the first motor cover 5 is fastened by a screw.

Through with the fixed part 62 between motor 3 and the cup 1 and from fixed part 62 downwardly extending enclose fender portion 63, and enclose fender portion 63 and enclose and establish in the first motor cover 5 outside, fixed part 62 or enclose fender portion 63 be equipped with first motor cover 5 fixed connection's fixed part 621, realize that first motor cover 5 and second motor cover 6 are connected fixedly, promote both and connect complex stability, can also improve the sound insulation effect of first motor cover 5 and second motor cover 6 simultaneously, gap between the two reduces as far as possible, noise reduction's excessive, user's use experience has been promoted.

As a preferred embodiment of the present utility model, as shown in fig. 5, a first shock pad 8 is provided between the second motor cover 6 and the motor 3, and/or a second shock pad is provided between the second motor cover 6 and the cup 1.

Through be equipped with first shock pad 8 between second motor cover 6 and motor 3 to/or be equipped with the second shock pad between second motor cover 6 and the cup 1 for motor 3 when high-speed rotation, the vibrations of motor 3 second motor cover 6 transmission can reduce under the shock attenuation cushioning effect of first shock pad 8, have avoided second motor cover 6 and motor 3 to take place the circumstances of relative vibrations production great noise, and the driven vibrations on the second motor cover 6 to cup 1 can realize shock attenuation buffering through the second shock pad again, avoid second motor cover 6 to take place the noise that relative vibrations produced with cup 1, have further promoted the amortization noise reduction effect of complete machine, have promoted user experience.

As a preferred embodiment of the present utility model, a sound absorbing member is provided in the first sound insulating chamber or the second sound insulating chamber.

Through be equipped with the sound absorbing member in first sound insulating cavity 51 or second sound insulating cavity 61 for the noise that gets into in first sound insulating cavity 51 or the second sound insulating cavity 61 can realize further making an uproar falls under the sound absorbing effect of sound absorbing member, has further reduced the propagation of noise to the external world, has promoted the noise reduction effect. The structure of the sound absorbing member is not particularly limited, and may be a structure such as a sound absorbing cotton, a sound absorbing plate, or a noise reduction column.

The technical solution protected by the present utility model is not limited to the above embodiments, and it should be noted that, the combination of the technical solution of any one embodiment with the technical solution of the other embodiment or embodiments is within the scope of the present utility model. While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a make an uproar effectual food processor, is including having smashing the cup in chamber, setting smashing the intracavity, locating cup below and drive smashing device pivoted motor and cover are located cup and motor outer casing, its characterized in that, food processor is still including the cover locate motor outer first motor cover and cover locate first motor cover outer second motor cover, first motor cover with be formed with first sound insulation chamber between the second motor cover, second motor cover with be formed with the second sound insulation chamber between the casing.

2. The food processor of claim 1, wherein the motor is secured to the bottom of the bowl by the second motor housing.

3. A food processor according to claim 1 or 2, further comprising a circuit board assembly, wherein the second motor housing is provided with a mounting slot for securing the circuit board assembly.

4. A food processor with good noise reduction effect according to claim 3, wherein the second motor cover comprises a surrounding part surrounding the outer side of the first motor cover, and the mounting groove is formed in the surrounding part.

5. The food processor of claim 4, wherein the enclosure portion is recessed to form the mounting slot; or,

the enclosure portion is open to form the mounting slot.

6. A food processor according to claim 3, wherein the circuit board assembly comprises a circuit board and a circuit board bracket, the circuit board being secured to the mounting slot by the circuit board bracket.

7. The food processor with good noise reduction effect according to claim 6, wherein the circuit board bracket comprises a mounting part matched with the mounting groove and a limiting part connected to the top end or the bottom end of the mounting part and extending outwards, and the limiting part is abutted against the inner wall of the shell; or,

the circuit board support is characterized in that a guide post is arranged at the bottom end or the top end of the circuit board support, a guide groove matched with the guide post is formed in the mounting groove, and one end, away from the guide post, of the circuit board support is fixedly connected with the mounting groove.

8. The food processor with good noise reduction effect according to claim 1 or 2, wherein the second motor cover comprises a fixing portion arranged between the motor and the cup body and a surrounding and blocking portion extending downwards from the fixing portion, the surrounding and blocking portion is arranged on the outer side of the first motor cover, and the fixing portion or the surrounding and blocking portion is provided with a fixing portion fixedly connected with the first motor cover.

9. The food processor of claim 1, wherein a first shock pad is disposed between the second motor housing and the motor and/or a second shock pad is disposed between the second motor housing and the cup.

10. The food processor of claim 1, wherein the first sound-deadening chamber or the second sound-deadening chamber is provided with a sound absorbing member.