CN115868838A - Noise reduction base and food processor comprising same - Google Patents

Abstract

The invention discloses a noise reduction base and a food processor comprising the same. This base of making an uproar includes: a housing provided with a mounting cavity for accommodating a motor assembly of a food processor; the first fan cover is arranged in the shell to divide the shell into a sound insulation cavity and a first air cavity from top to bottom; the sound insulation cavity is arranged around the installation cavity; the first air cavity is provided with a first air inlet and a first air outlet which are communicated with the outside; the mounting cavity is provided with a second air inlet and a second air outlet; the second air inlet is communicated with the sound insulation cavity, and the second air outlet is communicated with the first air outlet; first fan housing is equipped with the ventilation hole, and first air intake of ventilation hole intercommunication and syllable-dividing chamber to make first air intake, ventilation hole, syllable-dividing chamber, installation cavity and first air outlet communicate into snakelike wind channel in proper order. Therefore, the noise transmitted to the sound insulation cavity is blocked by the first fan cover and cannot be directly discharged from the first air inlet, and the noise needs to be reflected for multiple times in the snake-shaped air channel and gradually attenuated to be discharged from the first air outlet.

Description

Noise reduction base and food processor comprising same

Technical Field

The invention relates to the technical field of household appliances, in particular to a noise reduction base and a food processor comprising the same.

Background

When the food processors such as the wall breaking machine, the soybean milk machine, the food processor, the grinder and the like are used, the motor of the motor assembly rotates at a high speed, so that the load is large, the vibration is large, the noise is high, and the use experience of a user is directly influenced; on the other hand, along with the increase of food processor live time, motor element is in high load working process, calorific capacity is big, electronic components produces the trouble easily, thereby lead to product performance unstable, and lead to product life not long, consequently, need dispel the heat to motor element, current most food processor utilizes the air current to take away motor element's heat, at this in-process, the noise can directly be followed air intake and air outlet discharge external, make user's use experience not good.

Disclosure of Invention

In order to overcome at least one defect in the prior art, the invention provides a noise reduction base and a food processor comprising the noise reduction base, and aims to solve the problem that noise of the food processor utilizing airflow for heat dissipation in the prior art is directly discharged from an air inlet and an air outlet.

The technical scheme adopted by the invention for solving the problems is as follows:

a noise reducing base comprising: the food processor comprises a shell, a motor and a control unit, wherein the shell is provided with a mounting cavity which is used for accommodating a motor assembly of the food processor; the first fan cover is arranged in the shell to divide the interior of the shell into a sound insulation cavity and a first air cavity from top to bottom; the sound insulation cavity is arranged in the installation cavity in a surrounding mode; the first air cavity is provided with a first air inlet and a first air outlet which are communicated with the outside; the mounting cavity is provided with a second air inlet and a second air outlet; the second air inlet is communicated with the sound insulation cavity, and the second air outlet is communicated with the first air outlet; the first air cover is provided with an air vent which is communicated with the first air inlet and the sound insulation cavity; the first air inlet, the ventilation hole, the sound insulation cavity, the installation cavity and the first air outlet are sequentially communicated to form a snake-shaped air duct.

According to the noise reduction base provided by the invention, on one hand, the mounting cavity, the sound insulation cavity and the first air cavity can realize multiple noise insulation, wherein the noise transmitted to the sound insulation cavity is insulated by the first air cover and cannot be directly discharged from the first air inlet of the first air cavity, so that the noise reduction effect is greatly improved; on the other hand, the air current is through snakelike wind channel in order to take away the heat that motor element produced, snakelike wind channel is arranged because of being buckling, make the extension of air current flow path, can fully take away the produced heat of motor element operation, and, the noise that motor element produced and the noise that the air current flows and produce reflects many times and attenuate gradually in snakelike wind channel, just can discharge from the first air outlet in first wind chamber after the noise attenuates gradually promptly, thus, avoid the noise not cut down and directly discharge from first air intake and first air outlet, and improved radiating effect and noise reduction simultaneously.

According to some embodiments of the invention, a first sound reduction member is disposed within the sound-deadening chamber.

According to some embodiments of the invention, the noise deadening member is provided around an outer peripheral wall of the installation cavity.

According to some embodiments of the invention, the installation cavity and the first wind cover are arranged at an interval from top to bottom, so that the first wind cavity is located below the installation cavity.

According to some embodiments of the invention, the serpentine air duct includes a first serpentine section, the mounting cavity includes a bottom wall, the bottom wall and the vent hole are arranged at an interval from top to bottom, the second air inlet is disposed in the bottom wall, the vent hole and the second air inlet are staggered, and the bottom wall is configured to change a flow direction of an air flow, so that the first air inlet, the vent hole, the sound insulation cavity and the second air inlet are sequentially communicated to form the first serpentine section.

According to some embodiments of the present invention, the plurality of vent holes are provided, the second air inlet and the plurality of vent holes are spaced from each other, and the plurality of vent holes surround the second air inlet.

According to some embodiments of the present invention, the air outlet duct is disposed between the second air outlet and the first air outlet to communicate the second air outlet with the first air outlet, and the air outlet duct is in a volute shape.

According to some embodiments of the invention, the air outlet duct is provided with wind cutting ribs therein.

According to some embodiments of the present invention, the air conditioner further comprises a fan, the fan is disposed in the air outlet duct to send the air flow to the first air outlet, and a second noise reduction member is disposed between the air outlet duct and the fan.

In addition, the invention also provides a food processor, which comprises the noise reduction base and a motor assembly, wherein the motor assembly is accommodated in the mounting cavity; the motor assembly comprises a second fan cover and a motor, the second fan cover is arranged in the installation cavity, the second fan cover is provided with a rotation cavity, and the motor is arranged in the rotation cavity.

According to some embodiments of the invention, the serpentine air duct includes a second serpentine segment; a first air channel is formed between the second fan cover and the mounting cavity; the second fan cover is provided with a second air duct, an air inlet of the second air duct is communicated with the first air duct, and an air outlet of the second air duct is communicated with the rotating cavity; the first air duct is communicated with the second air inlet, and the rotating cavity is communicated with the second air outlet; the second air inlet, the first air channel, the second air channel, the rotating cavity and the second air outlet are sequentially communicated to form the second snake-shaped section.

According to some embodiments of the invention, a flow disturbing part for changing the flow direction of the air flow is arranged between the first air duct and the rotating cavity.

According to some embodiments of the present invention, the air conditioner further includes a sound insulation case, the sound insulation case is disposed between the mounting cavity and the second air cover, the sound insulation case is provided with a third air inlet and a third air outlet, the third air inlet is opposite to the second air inlet, and the third air outlet is opposite to the second air outlet.

According to some embodiments of the invention, the cup holder further comprises a cup seat, the outer periphery of the second fan housing is recessed to form a first connection hole, the cup seat is provided with a connection column, and the connection column is inserted into the first connection hole to fix the cup seat and the second fan housing.

Drawings

Fig. 1 is a schematic perspective view of a noise reduction base according to an embodiment of the present invention;

FIG. 2 is a schematic top view of a noise reduction base according to an embodiment of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic structural diagram of a noise reduction base (not showing a first air cavity and a first air cover) according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a noise reduction base (not shown in the first air cavity) according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a noise reduction base (mounting cavity and sound insulation cavity are not shown) according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of an exploded structure of a blender cup according to an embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of a food processor according to an embodiment of the present invention.

Wherein the reference numerals have the following meanings:

10-shell body, 101-installation cavity, 1011-bottom wall, 1012-second air inlet, 1013-second air outlet, 102-sound insulation cavity, 103-first air cavity, 1031-first air inlet, 1032-first air outlet, 11-first fan housing, 111-air vent, 12-first silencing part, 13-air outlet duct, 131-wind power cutting rib, 132-second silencing part, 14-motor component, 141-motor, 142-second fan housing, 1421-rotation cavity, 1422-second air duct, 1423-first connecting hole, 1424-upper fan housing, 1425-lower fan housing, 1426-first turbulence structure, 15-first air duct, 16-air inlet gap, 17-sound insulation shell, 171-third air inlet, 172-third air outlet, 173-second connecting hole, 18-cup seat, 181-connecting column, 182-second turbulence structure, 19-20-knife component, 201-knife disc, 202-knife blade, 21-sealing ring, 22-fan.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 3, the present invention discloses a noise reduction base, including: a housing 10 provided with a mounting cavity 101, the mounting cavity 101 being for accommodating a motor assembly 14 of a food processor; a first wind cover 11 arranged in the housing 10 to divide the interior of the housing 10 into a sound insulation cavity 102 and a first wind cavity 103 from top to bottom; the sound insulation cavity 102 is arranged around the installation cavity 101; the first air chamber 103 is provided with a first air inlet 1031 and a first air outlet 1032 which are communicated with the outside; the installation cavity 101 is provided with a second air inlet 1012 and a second air outlet 1013; the second air inlet 1012 is communicated with the sound insulation cavity 102, and the second air outlet 1013 is communicated with the first air outlet 1032; the first air hood 11 is provided with a vent hole 111, and the vent hole 111 is communicated with the first air inlet 1031 and the sound insulation cavity 102; the first air inlet 1031, the vent hole 111, the sound insulation chamber 102, the mounting chamber 101 and the first air outlet 1032 are sequentially communicated to form a snake-shaped air duct.

Specifically, the food processor may be, but is not limited to, a wall breaking machine, a soybean milk machine, a food processor, a pulverizer, or the like; the first air inlet 1031 is used for absorbing air from the external environment, and the first air outlet 1032 is used for discharging the internal air flow to the external environment.

By adopting the above scheme, on one hand, the mounting cavity 101, the sound insulation cavity 102 and the first air cavity 103 can realize multiple noise insulation, wherein the noise transmitted to the sound insulation cavity 102 is insulated by the first wind cover 11 and cannot be directly discharged from the first air inlet 1031 of the first air cavity 103, so that the noise reduction effect is greatly improved; on the other hand, the air current is through snakelike wind channel in order to take away the heat that motor element 14 produced, snakelike wind channel is because of being the bending arrangement, make the extension of air current flow path, can fully take away the produced heat of motor element 14 operation, and, the noise that motor element 14 produced and the noise that the air current flows and produce reflects many times and attenuate gradually in snakelike wind channel, just can discharge from first air outlet 1032 of first wind chamber 103 after the noise attenuates gradually promptly, so, avoid the noise not cut down and directly discharge from first air intake 1031 and first air outlet 1032, and improve radiating effect and noise reduction effect simultaneously.

Further, in the present embodiment, as shown in fig. 3 and 4, the first noise deadening member 12 is provided in the sound-deadening chamber 102 to block and absorb the medium and high frequency noise penetrating from the motor assembly 14.

Preferably, the first silencing element 12 is arranged around the outer peripheral wall of the installation cavity 101, and the first silencing element 12 may be annular, may be elongated and wound into an annular shape, or may be a plurality of annularly distributed first silencing elements 12. Preferably, in this embodiment, the first silencing element 12 completely wraps the outer peripheral wall of the installation cavity 101 to reduce the transmission of noise. Indeed, in some other embodiments, the first silencing element 12 may also be an outer circumferential wall partially wrapped around the installation cavity 101, and is selected according to actual production requirements and actual use requirements, which is not limited herein.

As shown in fig. 3, further, in this embodiment, the mounting cavity 101 and the first wind cover 11 are arranged at an upper-lower interval, so that the first wind cavity 103 is located below the mounting cavity 101, and thus, there is an interval between the mounting cavity 101 and the first wind cavity 103, and noise in the mounting cavity 101 is separated and absorbed by the sound insulation cavity 102 and the first wind cover 11, and cannot be directly transmitted to the first wind cavity 103, and also cannot be directly discharged from the first wind inlet 1031 and the first wind outlet 1032.

As shown in fig. 3, 5 and 6, further, in this embodiment, the serpentine air duct includes a first serpentine section, the mounting cavity 101 has a bottom wall 1011, the bottom wall 1011 and the vent hole 111 are disposed at an interval from top to bottom, the second air inlet 1012 is disposed on the bottom wall 1011, the vent hole 111 and the second air inlet 1012 are staggered, the bottom wall 1011 is used to change the flow direction of the air flow, so that the first air inlet 1031, the vent hole 111, the soundproof cavity 102 and the second air inlet 1012 are sequentially communicated to form the first serpentine section. So, get into the air current in sound insulation chamber 102 from ventilation hole 111, change the flow direction after being disturbed by diapire 1011, just can flow in second air intake 1012, the air current runner route has been prolonged, the noise can take place multiple reflection and attenuate gradually at this first snakelike section, the performance of making an uproar falls is improved, and, diapire 1011 disturbance air current that utilizes installation cavity 101 is in order to change the air current flow direction, need not to set up other vortex spare at diapire 1011, the spare part quantity has been reduced, moreover, the steam generator is simple in structure, the production cost is reduced, also can avoid long-time use back, vortex spare is ageing to drop and the potential safety hazard that arouses.

Specifically, the second outlet 1013 is also disposed on the bottom wall 1011, and the second inlet 1012 surrounds the second outlet 1013.

Preferably, a plurality of ventilation holes 111 are provided, the second air inlet 1012 and the plurality of ventilation holes 111 are spaced up and down, and the plurality of ventilation holes 111 surround the second air inlet 1012. The airflow is disturbed by the bottom wall 1011 of the mounting cavity 101 and then flows into the second air inlet 1012 of the mounting cavity 101, so that the airflow path between the ventilation hole 111 and the second air inlet 1012 is extended to improve the noise reduction effect, and the ventilation holes 111 may have a micro-perforation noise reduction effect to further reduce noise, specifically, the ventilation hole 111 may be, but not limited to, a small circular hole, a small kidney-shaped hole, a small oval hole, or the like.

Referring to fig. 3, 5 and 6, further, in the present embodiment, the present embodiment further includes an air outlet duct 13 and a fan 22, the air outlet duct 13 is disposed between the second air outlet 1013 and the first air outlet 1032 to communicate the second air outlet 1013 with the first air outlet 1032, the fan 22 is disposed in the air outlet duct 13 to send the air flow to the first air outlet 1032, a second silencing element 132 is disposed between the air outlet duct 13 and the fan 22, and the second silencing element 132 can effectively absorb the noise transmitted to the air outlet duct 13 and the noise generated by the fan 22, so as to reduce the noise exhausted to the outside through the second air outlet 1013.

Preferably, in the present embodiment, the air outlet duct 13 is in a volute shape, and the volute-shaped air outlet duct 13 can ensure the air output of the noise reduction base, and can also meet the requirement of size reduction, and importantly, can also reduce the noise generated by the rotation of the fan 22, the noise generated by the flow of the air flow, and the noise transmitted to the air outlet duct 13; moreover, the volute-shaped air outlet duct 13 effectively prolongs the contact length with the second silencing piece 132, i.e. the longer second silencing piece 132 can be used, so that the silencing and noise reduction effects are improved.

Preferably, the wind outlet duct 13 is provided with a wind cutting rib 131 therein. The wind cutting ribs 131 with a plurality of numbers can cut the air flow in the air outlet duct 13, thereby reducing the whistling sound generated by air flow friction and further improving the noise reduction effect when the air flow is discharged

Specifically, the air outlet duct 13 is connected to the first air hood 11.

Specifically, the first sound deadening member 12 and the second sound deadening member 132 may be, but not limited to, a sound insulating film or a sound insulating cotton or a sound absorbing panel or a sound insulating felt or the like.

It should be noted that in some other embodiments, a noise reduction member or a flow disturbing member may be disposed in the serpentine air channel.

As shown in fig. 3, 7 and 8, in addition, the present invention further provides a food processor, which includes the noise reduction base as described above, and further includes a motor assembly 14, a knife assembly 20, a cup seat 18 and a cup body 19, wherein the motor assembly 14 is accommodated in the installation cavity 101, the cup seat 18 is embedded in the installation cavity 101 and is used for connecting the cup body 19, and the cup body 19 and the cup seat 18 are in threaded connection. One end of the knife component 20 is positioned in the cup body 19, and under the driving of the motor component 14, the knife component 20 cuts and stirs food materials placed in the cup body 19; the food processor has excellent noise reduction performance and heat dissipation performance, and improves the use experience of users. Specifically, the motor assembly 14 includes a second wind cover 142 and a motor 141, the second wind cover 142 is disposed in the mounting cavity 101, the second wind cover 142 is provided with a rotation cavity 1421, the motor 141 is disposed in the rotation cavity 1421, and the second wind cover 142 and the rotation cavity 1421 are disposed to facilitate forming a serpentine air duct.

Further, in this embodiment, the serpentine air channel includes a second serpentine segment; a first air duct 15 is formed between the second air cover 142 and the mounting cavity 101; the second air hood 142 is provided with a second air duct 1422, an air inlet of the second air duct 1422 is communicated with the first air duct 15, and an air outlet of the second air duct 1422 is communicated with the rotating cavity 1421; the first air duct 15 is communicated with the second air inlet 1012, and the rotating cavity 1421 is communicated with the second air outlet 1013; the second air inlet 1012, the first air duct 15, the second air duct 1422, the rotating chamber 1421, and the second air outlet 1013 are sequentially connected to form a second serpentine section. Similarly, the noise generated by the operation of the motor 141 and the noise generated by the airflow flow can be reflected for multiple times and attenuated gradually in the second snake-shaped section, so that the noise reduction performance is improved, and the second snake-shaped section is arranged in a bent manner, so that a streamline airflow form can be generated in the second snake-shaped section, the flow is smoother, the occurrence of the condition that the noise is large due to the fact that the airflow blows the motor 141 directly is avoided, and noise reduction is realized.

Referring to fig. 7 and 8, further, in the present embodiment, the sound-insulating housing 17 is further included, the sound-insulating housing 17 is disposed between the installation cavity 101 and the second fan housing 142, specifically, the sound-insulating housing 17 is embedded in the installation cavity 101, the second fan housing 142 is disposed in the sound-insulating housing 17, the sound-insulating housing 17 is provided with a third air inlet 171 and a third air outlet 172, the third air inlet 171 is opposite to and communicated with the second air inlet 1012, and the third air outlet 172 is opposite to and communicated with the second air outlet 1013, so that the sound-insulating housing 17 forms an enclosure for the installation cavity 101, and the sound-insulating housing 17 is used to enhance the isolation of noise transmitted by the installation cavity 101.

Further, in this embodiment, a spoiler portion for changing the flow direction of the airflow is disposed between the first air duct 15 and the rotating cavity 1421, so that the airflow path is more tortuous, the length of the airflow path is increased, and a higher noise reduction effect is achieved.

As shown in fig. 8, preferably, the spoiler includes a first spoiler structure 1426 and a second spoiler structure 182; the first turbulence structure 1426 is disposed at one side of the air inlet of the second air duct 1422 and is opposite to the third air inlet 171, an air inlet gap 16 is formed between the second turbulence structure 182 and the air inlet of the second air duct 1422, and the first turbulence structure 1426 disturbs the airflow flowing out of the third air inlet 171, so that the airflow sequentially bends and flows into the air inlet gap 16 and the air inlet of the second air duct 1422; the second spoiler structure 182 is disposed between the air outlet of the second air duct 1422 and the rotating cavity 1421, so that the air flow path between the air outlet of the second air duct 1422 and the rotating cavity 1421 is more tortuous.

As shown in fig. 7, in particular, the second wind shield 142 includes an upper wind shield 1424 and a lower wind shield 1425 connected to the upper wind shield 1424, and the upper wind shield 1424 and the lower wind shield 1425 may be, but not limited to, connected by a snap structure, or connected by a thread, or integrally formed, etc., without being limited thereto.

Referring to fig. 7 and 8, specifically, the first spoiler structure 1426 is a conical surface structure disposed on the lower wind cover 1425, and a cross-sectional area of the conical surface structure gradually decreases along a direction close to the third air inlet 171, and the airflow flows along the conical surface structure disposed in the above direction, so that a turning direction of the airflow is soft and not rapid, a flow direction of the airflow is more streamlined, and wind noise is reduced.

Referring to fig. 7 and 8, specifically, the second turbulence structure 182 is an annular protrusion disposed on the upper air hood 1424, and when the airflow passes through the air outlet of the second air duct 1422, the airflow encounters the disturbance of the annular protrusion to change the wind direction, and the airflow is reflected to reduce the noise, and then enters the rotating cavity 1421 to take away the heat generated by the motor 141.

Specifically, the annular protrusion is integrally formed with the cup holder 18, and the cup holder 18 is embedded in the second wind shield 142 through the annular protrusion, so that a gap between the second wind shield 142 and the cup holder 18 is reduced, and noise leaked from the gap to the external environment is reduced.

It should be noted that, the first spoiler structure 1426 and the second spoiler structure 182 may also be, but not limited to, fin structures, inclined plane structures, spoiler structures, etc., and only need to change the airflow direction, which is not limited herein.

It should be noted that, in some other embodiments, the sound-proof housing 17 may not be provided, and the first turbulence structure 1426 is opposite to the second air inlet 1012.

As shown in fig. 7, in the present embodiment, the cup holder 18 is provided with a connection post 181, the outer periphery of the second wind shield 142 is recessed to form a first connection hole 1423, and the connection post 181 is inserted into the first connection hole 1423 to fix the cup holder 18 and the second wind shield 142, so that compared with the case where the first connection hole 1423 is disposed in the middle of the second wind shield 142, the internal gap of the second wind shield 142 is reduced, and similarly, the noise leaking from the gap to the external environment is reduced.

More specifically, the soundproof case 17 is provided with a second connection hole 173, and the connection column 181 is sequentially inserted into the first connection hole 1423 and the second connection hole 173 to fix the cup holder 18, the second wind cover 142, and the soundproof case 17.

Specifically, in this embodiment, the knife assembly 20 includes a knife disc 201 and a blade 202, the knife disc 201 is covered on the opening of the installation cavity 101 to prevent noise from leaking from the opening of the installation cavity 101, the knife disc 201 is in transmission connection with the motor 141, the knife disc 201 is driven by the motor 141 to rotate, and the blade 202 is connected to the knife disc 201 and rotates synchronously with the knife disc 201 to cut and stir the food materials in the cup 19.

Preferably, a sealing ring 21 is provided at the connection between the cutter 201 and the motor 141, and the sealing ring 21 prevents noise from leaking from the connection gap between the cutter 201 and the motor 141.

Thus, the sound insulation shell 17, the motor assembly 14, the cup holder 18, the cup body 19 and the knife assembly 20 are integrated into the stirring cup, and the motor 141 is surrounded, so that a gap capable of directly discharging noise is reduced, and the noise generated by the motor 141 is difficult to spread.

In summary, the noise reduction base and the food processor comprising the noise reduction base disclosed by the invention can at least bring the following beneficial technical effects:

1) The mounting cavity 101, the sound insulation cavity 102 and the first air cavity 103 can realize multiple noise insulation, wherein noise transmitted to the sound insulation cavity 102 is insulated by the first air cover 11 and cannot be directly discharged from the first air inlet 1031, so that the noise reduction effect is greatly improved;

2) Noise generated by the motor assembly 14 and noise generated by airflow flow are reflected for multiple times in the serpentine air duct and gradually attenuated, namely, the noise can be discharged from the first air outlet 1032 after being gradually attenuated;

3) The first noise damping member 12 can block and absorb medium and high frequency noise penetrating from the motor assembly 14;

4) The bottom wall 1011 of the installation cavity 101 is used for disturbing the airflow to change the airflow direction, other turbulence pieces do not need to be arranged on the bottom wall 1011, the number of parts is reduced, the structure is simple, the production cost is reduced, and potential safety hazards caused by aging and falling of the turbulence pieces after long-time use can be avoided;

5) The plurality of vent holes 111 may have a microperforation noise reduction effect to further reduce noise;

6) The motor 141 is surrounded to reduce a gap capable of directly discharging noise, so that the noise generated from the motor 141 is hard to be transmitted.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims (14)

1. Base of making an uproar falls, its characterized in that includes:

a housing (10) provided with a mounting cavity (101), the mounting cavity (101) being for accommodating a motor assembly (14) of a food processor;

the first air cover (11) is arranged in the shell (10) to divide the interior of the shell (10) into a sound insulation cavity (102) and a first air cavity (103) from top to bottom; the sound insulation cavity (102) is arranged in the installation cavity (101) in an enclosing mode; the first air cavity (103) is provided with a first air inlet (1031) and a first air outlet (1032) which are communicated with the outside;

the mounting cavity (101) is provided with a second air inlet (1012) and a second air outlet (1013); the second air inlet (1012) is communicated with the sound insulation cavity (102), and the second air outlet (1013) is communicated with the first air outlet (1032);

the first air cover (11) is provided with a vent hole (111), and the vent hole (111) is communicated with the first air inlet (1031) and the sound insulation cavity (102); the first air inlet (1031), the vent hole (111), the sound insulation cavity (102), the mounting cavity (101) and the first air outlet (1032) are sequentially communicated to form a snake-shaped air duct.

2. The noise reduction mount of claim 1, wherein a first noise dampening member (12) is disposed within the sound-insulating chamber (102).

3. The noise reduction base according to claim 2, characterized in that the first noise dampening member (12) is arranged around the outer circumferential wall of the mounting cavity (101).

4. The noise reduction base according to claim 1, wherein the mounting cavity (101) and the first wind shield (11) are spaced up and down, so that the first wind cavity (103) is located below the mounting cavity (101).

5. The noise reduction base of claim 4, wherein the serpentine air channel comprises a first serpentine section, the mounting cavity (101) comprises a bottom wall (1011), the bottom wall (1011) and the ventilation hole (111) are arranged at an interval up and down, and the second air inlet (1012) is arranged on the bottom wall (1011); the ventilation hole (111) and second air intake (1012) dislocation, bottom wall (1011) are used for changing the flow direction of air current, so that first air intake (1031), ventilation hole (111) sound insulation chamber (102) and it forms to communicate in proper order between second air intake (1012) first snakelike section.

6. The noise reduction base according to claim 5, wherein the plurality of the ventilation holes (111) are provided, the second air inlets (1012) and the plurality of the ventilation holes (111) are spaced up and down, and the plurality of the ventilation holes (111) are surrounded on the second air inlets (1012).

7. The noise reduction base according to any one of claims 1 to 6, further comprising an air outlet duct (13), wherein the air outlet duct (13) communicates the second air outlet (1013) and the first air outlet (1032), and the air outlet duct (13) is in a volute shape.

8. The noise reduction base according to claim 7, wherein a wind cutting rib (131) is arranged in the wind outlet duct (13).

9. The noise reduction base according to claim 7, further comprising a fan (22), wherein the fan (22) is disposed in the air outlet duct (13) to send the air flow to the first air outlet (1032), and a second noise reduction member (132) is disposed between the air outlet duct (13) and the fan (22).

10. Food processor characterized in that it comprises a noise reducing base according to claims 1-9, and further comprises a motor assembly (14), said motor assembly (14) being housed in said mounting cavity (101); the motor assembly (14) comprises a second fan housing (142) and a motor (141), the second fan housing (142) is arranged in the installation cavity (101), the second fan housing (142) is provided with a rotating cavity (1421), and the motor (141) is arranged in the rotating cavity (1421).

11. The food processor of claim 10, wherein the serpentine air chute includes a second serpentine segment;

a first air duct (15) is formed between the second air cover (142) and the mounting cavity (101);

the second air hood (142) is provided with a second air duct (1422), an air inlet of the second air duct (1422) is communicated with the first air duct (15), and an air outlet of the second air duct (1422) is communicated with the rotating cavity (1421);

the first air duct (15) is communicated with the second air inlet (1012), and the rotating cavity (1421) is communicated with the second air outlet (1013);

the second air inlet (1012), the first air duct (15), the second air duct (1422), the rotating cavity (1421) and the second air outlet (1013) are sequentially communicated to form the second serpentine section.

12. A food processor as claimed in claim 11, characterized in that a spoiler (16) for changing a flow direction of the air flow is provided between the first duct (15) and the rotating chamber (1421).

13. A food processor as claimed in any one of claims 10 to 12, and characterised by further comprising a sound-insulating casing (17), said sound-insulating casing (17) being provided between said mounting chamber (101) and said second hood (142), said sound-insulating casing (17) being provided with a third air inlet opening (171) and a third air outlet opening (172), said third air inlet opening (171) being opposite to said second air inlet opening (1012), said third air outlet opening (172) being opposite to said second air outlet opening (1013).

14. A food processor according to any one of claims 10 to 12, further comprising a cup holder (18), wherein the second hood (142) is concavely formed with a first connection hole (1423) on the outer periphery thereof, the cup holder (18) being provided with a connection post (181), the connection post (181) being inserted into the first connection hole (1423) to fix the cup holder (18) and the second hood (142).

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