CN216167026U

CN216167026U - Food processor

Info

Publication number: CN216167026U
Application number: CN202122464348.4U
Authority: CN
Inventors: 孙毅
Original assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd
Current assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-05
Anticipated expiration: 2031-10-13

Abstract

The utility model provides a food processor, comprising: the air conditioner comprises a shell, a fan and a controller, wherein the shell is provided with an air inlet and an air outlet; the air guide cover is positioned in the shell, and the first end of the air guide cover is communicated with the air inlet; the first volute is positioned in the shell and connected with the second end of the air guide cover, and a first inlet of the first volute is communicated with the air guide cover; the second volute is positioned in the machine shell, a second inlet of the second volute is connected with a first outlet of the first volute, a second outlet of the second volute is communicated with the air outlet, and the air guide cover, the first volute and the second volute surround the air outlet channel; the motor is positioned in the air duct and comprises a driving shaft; the fan blade is positioned in the air duct and connected with the driving shaft. According to the utility model, through reasonably arranging the matching structure of the air guide cover, the first volute and the second volute, when the smoothness of airflow flowing in the working process of the food processor is ensured, the first volute and the second volute are utilized to perform noise reduction treatment on the motor and the fan blades, so that the aim of multi-stage noise reduction treatment is fulfilled, and the noise reduction effect is improved.

Description

Food processor

Technical Field

The utility model relates to the technical field of food processors, in particular to a food processor.

Background

Among the correlation technique, the cooking machine includes motor and flabellum, and the drive shaft and the flabellum of motor are connected, and the produced noise of motor work is big, and user experience is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art or the related art.

To this end, one aspect of the utility model provides a food processor.

In view of the above, an aspect of the present invention provides a food processor, including: the air conditioner comprises a shell, a fan and a controller, wherein the shell is provided with an air inlet and an air outlet; the air guide cover is positioned in the shell, and the first end of the air guide cover is communicated with the air inlet; the first volute is positioned in the shell and connected with the second end of the air guide cover, and a first inlet of the first volute is communicated with the air guide cover; the second volute is positioned in the machine shell, a second inlet of the second volute is connected with a first outlet of the first volute, a second outlet of the second volute is communicated with the air outlet, and the air guide cover, the first volute and the second volute surround the air outlet channel; the motor is positioned in the air duct and comprises a driving shaft; the fan blade is positioned in the air duct and connected with the driving shaft.

The food processor provided by the utility model comprises a shell, an air guide cover, a first volute, a second volute, a motor and fan blades, wherein the air guide cover, the first volute and the second volute surround an air outlet channel, an air inlet and an air outlet are positioned at two sides of the air channel, and the motor and the fan blades are positioned in the air channel. Through the cooperation structure of rationally setting up wind scooper, first spiral case and second spiral case, when guaranteeing the smooth and easy nature that the air current flows when cooking machine work, utilize first spiral case and second spiral case to do noise reduction to motor and flabellum, also realized the purpose of multistage noise reduction, effectively promoted cooking machine's noise reduction effect.

Specifically, because the volute can give consideration to heat dissipation and noise reduction, so through the cooperation structure of reasonable setting wind scooper, first volute, second volute, motor and flabellum for first volute and second volute both have had the radiating effect to the motor, have the running noise that reduces motor and flabellum again. The service performance and the market competitiveness of the product are improved.

The air guide cover, the first volute and the second volute surround the air outlet channel, the first end of the air guide cover is communicated with the air inlet, the air guide cover is communicated with the first inlet of the first volute, the first outlet of the first volute is connected with the second inlet of the second volute, the second outlet of the second volute is communicated with the air outlet, and air flow flowing in from the air inlet sequentially passes through the air guide cover, the first volute and the second volute and then flows out of the food processor from the air outlet.

It can be understood that the motor rotates at a high speed to generate rotary power, and the motor can generate heat when working, so that a driving shaft of the motor is connected with the fan blades, and the fan blades are used for dissipating heat of the motor. When the motor works and drives the fan blades to rotate, vibration noise and wind resistance turbulence noise can be generated, namely, the main noise source of the food processor comprises the motor and the fan blades. Therefore, the first volute and the second volute are used for carrying out noise reduction treatment on the motor and the fan blades.

It can be understood that the airflow flows along the continuous flow path in the first volute and the second volute, and then flows out of the food processor through the air outlet. The continuous flow channel has a diffusion effect, the air flow flowing in from the air guide cover has high speed and can flow through the continuous flow channel, the deflection of the air flow is reduced, the flow loss of the air flow is reduced, more energy is converted into dynamic pressure, and the conditions of high flow loss and poor pneumatic performance of the air flow caused by the overlarge speed are avoided. Meanwhile, the first volute and the second volute are structurally arranged to have a flow collecting effect, so that the frequency of phenomena of airflow flow separation, vortex and the like is reduced, and the reduction of the operation noise of the food processor is facilitated.

According to the food processor of the present invention, the following additional features may be provided:

in the above technical solution, further, the number of the second volutes is multiple, the multiple second volutes are arranged along the height direction of the casing, and the second outlet of one second volute of any two adjacent second volutes is connected with the second inlet of the other second volute; and a second inlet of the second volute close to the first volute is connected with the first outlet, and a second outlet of the second volute close to the air outlet is communicated with the air outlet.

In the technical scheme, the number of the second volutes is multiple, and by reasonably setting the matching structures of the multiple second volutes, the first volutes and the casing, the second outlet of one second volute of any two adjacent second volutes is connected with the second inlet of the other second volute, the second inlet of the second volute close to the first volute is connected with the first outlet, and the second outlet of the second volute close to the air outlet is communicated with the air outlet. That is, a plurality of second volutes are connected in series. This setting has increased the length of the runner in first spiral case and a plurality of second spiral cases, has realized multistage noise reduction, is favorable to promoting the noise reduction effect of cooking machine.

Further, the second outlet of one of any two adjacent second volutes is connected with the second inlet of the other second volute, that is, along the height direction of the casing, the airflow enters the first volute from the wind scooper, flows through the plurality of second volutes in sequence, and is discharged from the air outlet of the casing. This setting has realized the multistage processing of making an uproar that falls, but the running noise of greatly reduced product.

In addition, the plurality of second volutes are arranged in the height direction of the casing, so the floor area of the first volute and the second volute in the radial direction of the casing can be reduced.

In any of the above technical solutions, further, the first volute is located above the second volute along the height direction of the casing.

In the technical scheme, the first volute is located above the second volute by reasonably arranging the matching structure of the first volute and the second volute, and the arrangement can reduce the occupied area of the first volute and the second volute along the radial direction of the casing.

In any of the above technical solutions, further, the first volute is located on the periphery of the fan blade, a part of the motor is located in the wind scooper, and the driving shaft of the motor extends into the first volute through the first inlet and is connected with the fan blade.

In the technical scheme, the first volute is located on the peripheral side of the fan blade by reasonably arranging the matching structure of the first volute, the motor and the fan blade, one part of the motor is located in the air guide cover, and the driving shaft of the motor extends into the first volute through the first inlet and is connected with the fan blade. That is to say, while guaranteeing the effectiveness and feasibility of noise reduction and heat dissipation of the first volute and the second volute, the occupied area of the first volute and the second volute in the height direction of the casing is reduced, and the overall dimension of the product is reduced.

Further, first spiral case is located the week side of flabellum, and promptly, first spiral case is located between flabellum and the casing, and first spiral case still has syllable-dividing effect for flabellum and casing phase separation reduce the outside transmission amount of the produced noise of motor and flabellum during operation, are favorable to promoting the effect of making an uproar of product falling.

It can be understood that at least one part of the driving shaft of the motor extends out of the wind scooper and extends into the first volute through the first inlet to be connected with the fan blades, and the driving shaft rotates to drive the fan blades to rotate.

In any of the above solutions, further, the first volute includes: the first plate body is provided with a first inlet and is connected with the second end of the wind scooper; the second plate body is positioned on one side of the first plate body, which is far away from the wind scooper, and a first outlet is formed in the part, corresponding to the first inlet, of the second plate body; the first enclosing plate is connected between the first plate body and the second plate body, a first flow channel is enclosed between the first plate body and the first enclosing plate, and the first inlet and the first outlet are both communicated with the first flow channel; wherein, the first bounding wall is located the week side of flabellum.

In this technical scheme, first volute includes first plate body, second plate body and first bounding wall. Through the cooperation structure of rationally setting up first plate body, second plate body and first bounding wall for first plate body is provided with first entry, and the second plate body is provided with first export, and the first end and the first plate body of first bounding wall are connected, and the second plate body is connected to the second end of first bounding wall, promptly, and first bounding wall is connected between first plate body and second plate body, and wherein, close out first runner between first plate body and the first bounding wall. One part of the airflow enters the first volute from the first inlet, flows out of the first volute from the first outlet after flowing through the first flow channel, and the other part of the airflow flows to the first outlet from the first inlet.

The first flow passage defines a flow path for the airflow that flows along the first flow passage and then out of the first volute via the first outlet. The first flow channel has a diffusion effect, the air flow flowing in from the air guide cover has high speed and can flow through the first flow channel, the deflection of the air flow is reduced, the flow loss of the air flow is reduced, more energy is converted into dynamic pressure, and the conditions of high flow loss and poor pneumatic performance of the air flow caused by the overlarge speed are avoided. Meanwhile, the structure of the first flow channel has the function of collecting flow, so that the frequency of the phenomena of airflow flow separation, vortex and the like is reduced, and the reduction of the operation noise of the food processor is facilitated.

It can be understood that the first inlet is disposed corresponding to the first outlet, the first flow channel is disposed on the peripheral side of the first inlet and the first outlet, the first flow channel is disposed on the peripheral side of the first outlet, and the first enclosing plate is disposed on the peripheral side of the fan blade. That is to say, surround out between the oral cavity wall of the first entry, the oral cavity wall of first export and the first bounding wall and hold the chamber, the flabellum is located and holds the intracavity, first entry and first export all with hold the chamber intercommunication.

The arrangement ensures the effectiveness and feasibility of noise reduction of the first volute, and provides structural support for the first volute surrounding the fan blades.

In any of the above technical solutions, further, the first volute further includes: the first guide plate is positioned in the first flow channel and extends to the second inlet of the second volute part from the first plate body in an inclined mode.

In this technical scheme, through the structure of reasonable first volute that sets up for first volute includes first guide plate, and first guide plate is located first runner, and first guide plate inclines from first plate body to extend to the second entrance of second volute. That is, one end of the first baffle is connected to the first plate body, and the other end of the first baffle extends to the second inlet of the second scroll. The first guide plate has the functions of guiding and changing the flow direction of the airflow, so that the airflow in the first flow channel is effectively guided to the second inlet of the second volute under the action of the first guide plate, and structural support is provided for the series connection of the first volute and the second volute.

Furthermore, the first guide plate extends obliquely, so that the turning of the airflow is reduced, the flow loss of the airflow is reduced, more energy is converted into dynamic pressure, and the conditions of large flow loss and poor pneumatic performance of the airflow caused by overlarge speed energy are avoided.

In any of the above solutions, further, the second volute includes: the third plate body is provided with a second inlet and is connected with the second plate body; the second enclosing plate is arranged on one side of the third plate body, which is far away from the first volute; the third enclosing plate is arranged on one side of the third plate body, which is far away from the first volute, and is positioned on the outer side of the second enclosing plate, a second flow channel is enclosed among the second enclosing plate, the third enclosing plate and the third plate body, and a second outlet is arranged corresponding to the air outlet; wherein the second inlet and the second outlet are both in communication with the second flow passage.

In this technical scheme, the second volute includes third plate body, second bounding wall and third bounding wall. Through the cooperation structure of rationally setting up third plate body, second bounding wall and third bounding wall for the third plate body is provided with the second entry, and second bounding wall and third bounding wall all are connected with one side that the third plate body deviates from first spiral case, and wherein, close between second bounding wall, third bounding wall and the third plate body and enclose out second runner and second export, and second entry and second export all communicate with the second runner. And a part of the airflow enters the second volute from the second inlet, flows through the second flow channel, flows out of the second volute from the second outlet and then flows to the air outlet. Another part of the airflow flows from the second inlet to the second outlet and then flows to the air outlet.

The second flow path defines a flow path for the airflow that flows along the second flow path and then out of the second volute via the second outlet. The second flow passage has a diffusion function, the air flow flowing in from the first volute has larger speed energy and flows through the second flow passage, the turning of the air flow is reduced, the flow loss of the air flow is reduced, more energy is converted into dynamic pressure, and the conditions of large flow loss and poor pneumatic performance of the air flow caused by overlarge speed energy are avoided. Meanwhile, the structure of the second flow channel has the function of collecting flow, so that the frequency of the phenomena of airflow flow separation, vortex and the like is reduced, and the reduction of the operation noise of the food processor is facilitated.

In any of the above technical solutions, further, the second volute further includes: the second guide plate is positioned between the second enclosing plate and the third enclosing plate, the second inlet is positioned between the second guide plate and the second outlet, the first end of the second guide plate is connected with the third plate body, and the second end of the second guide plate abuts against the inner wall surface of the shell.

In the technical scheme, the second volute comprises a second guide plate through reasonably setting the structure of the second volute, the second guide plate is positioned between the second enclosing plate and the third enclosing plate, the first end of the second guide plate is connected with the third plate body, and the second end of the second guide plate abuts against the inner wall surface of the casing. The second guide plate has the functions of guiding and changing the flow direction of the airflow, so that the airflow in the second flow channel is effectively guided to the second outlet of the second volute under the action of the second guide plate and cannot flow towards the direction departing from the second outlet. That is to say, the air current can not leak by the junction of the inner wall of second spiral case and casing, makes the air current effectively by the water conservancy diversion to second exit, is favorable to promoting the noise reduction effect of second spiral case.

In any of the above solutions, further, the second baffle extends obliquely in a direction away from the second inlet.

In this technical scheme, through the structure of reasonable second guide plate that sets up for the second guide plate extends along the direction slope that deviates from the second entry, and this being provided with does benefit to the turn-around that reduces the air current, is favorable to reducing the flow loss of air current, makes more energy conversion dynamic pressure, avoids taking place because of the too big condition poor with pneumatic performance of the flow loss that leads to the air current of speed ability.

In any of the above technical solutions, further, the food processor further includes a cup body, a part of which is located in the wind scooper; and the crushing knife is positioned in the cup body, and one part of the driving shaft extends into the cup body and is connected with the crushing knife.

In this technical scheme, the cooking machine includes cup and crushing sword. Wherein, a part of the cup body is positioned in the wind scooper, the crushing knife is positioned in the cup body, a part of the driving shaft extends into the cup body and is connected with the crushing knife, the motor works, and the driving shaft drives the crushing knife to rotate so as to crush food materials.

It can be understood that, when the drive shaft drives crushing sword and rotates in order to stir garrulous edible material, edible material striking cup can produce the noise, is located the wind scooper with a part of cup, and the wind scooper has the effect of keeping apart cup and casing. Reduce the outside transmission amount of the produced noise of crushing sword during operation, be favorable to promoting the effect of making an uproar is fallen to the product. In addition, the wind scooper also has the functions of heat preservation and heat insulation for food materials in the cup body, so that the user is prevented from being scalded, and the use safety and reliability of the product are improved.

In addition, noise reduction treatment is done to the noise that edible material striking cup produced to usable first spiral case and second spiral case, has also realized the purpose of multistage noise reduction treatment, has effectively promoted the noise reduction effect of cooking machine.

In any of the above technical solutions, further, a gap is provided between the wind scooper and the casing.

In the technical scheme, the air guide cover and the shell are in clearance through reasonably arranging the matching structure of the shell and the air guide cover, and the air guide cover has the functions of flow guiding and sound insulation. Because a gap is formed between the air guide cover and the casing, namely the air guide cover is separated from the casing, the outward transmission quantity of noise generated when the motor and the fan blades work is reduced, and the noise reduction effect of the product is favorably improved. In addition, the wind scooper also has the functions of heat preservation and heat insulation for food materials in the wind scooper, so that the situation that a user is scalded is avoided, and the use safety and the reliability of a product are improved.

In any of the above technical solutions, further, in the height direction of the casing, the height of the portion of the cup body located inside the wind scooper is greater than the height of the portion of the cup body located outside the wind scooper.

In the technical scheme, the cup body and the shell are reasonably arranged to be matched, so that the height of the part, located in the air guide cover, of the cup body is larger than the height of the part, located outside the air guide cover, of the cup body in the height direction of the shell. That is, the majority of the cup is located within the wind scooper. This setting has increased the cooperation area of wind scooper and cup, and then is favorable to promoting the noise reduction effect of cooking machine.

In any of the above technical solutions, further, a part of the motor is located in the wind scooper; the clearance between the part of the wind scooper corresponding to the cup body and the shell is smaller than the clearance between the part of the wind scooper corresponding to the motor and the shell.

In the technical scheme, one part of the motor is positioned in the air guide cover, and the clearance between the part of the air guide cover corresponding to the cup body and the shell is smaller than the clearance between the part of the air guide cover corresponding to the motor and the shell by reasonably arranging the matching structure among the motor, the air guide cover and the cup body. Because the radial dimension of motor is less than the radial dimension of cup, so, according to the current structure of motor and cup, have pointed to set up the cooperation structure of wind scooper and motor and cup, increased the part that wind scooper and motor correspond and the clearance of casing, effectively reduced the outside transmission of the produced noise of motor and flabellum during operation, and then be favorable to strengthening the syllable-dividing effect of motor department, be favorable to promoting the noise reduction effect of cooking machine.

In any one of above-mentioned technical scheme, further, cooking machine still includes: and the sealing piece is used for sealing the joint of the wind scooper and the first volute.

In the technical scheme, the food processor further comprises a sealing element, the sealing element is used for sealing the connecting part of the air guide cover and the first volute, the air flow is prevented from leaking from the connecting part of the air guide cover and the first volute, the air flow can only flow along an air channel enclosed by the air guide cover, the first volute and the second volute, and therefore the noise reduction performance of the air guide cover, the first volute and the second volute is favorably exerted.

In any of the above technical solutions, further, an end of the wind scooper extends into the first inlet; the sealing element comprises a first sealing part and a second sealing part, the first sealing part is positioned between the top of the first volute and the outer surface of the wind guide cover, and the second sealing part is positioned between the opening wall of the first inlet and the outer surface of the wind guide cover.

In the technical scheme, the end part of the wind scooper extends into the first inlet, the sealing element comprises a first sealing part and a second sealing part, the first sealing part is used for sealing the joint of the top of the first volute and the outer surface of the wind scooper, and the second sealing part is used for sealing the joint of the opening wall of the first inlet and the outer surface of the wind scooper. The air flow is prevented from leaking from the joint of the top of the first volute and the outer surface of the air guide cover and the joint of the opening wall of the first inlet and the outer surface of the air guide cover.

Specifically, the first sealing portion and the second sealing portion are connected, e.g., the first sealing portion and the second sealing portion enclose an "L" shaped structure.

In particular, the seal comprises a rubber seal.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic structural diagram of a food processor according to an embodiment of the present invention;

fig. 2 shows a partial structural schematic diagram of a food processor according to an embodiment of the utility model;

FIG. 3 is a schematic diagram of the structure of the motor, the fan blades, the first volute and the second volute according to one embodiment of the utility model;

fig. 4 shows a schematic structure of the first and second volutes of an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

100 food processor, 110 casing, 120 wind scooper, 130 first volute, 132 first inlet, 134 first outlet, 136 first plate, 138 second plate, 139 first enclosing plate, 140 first flow channel, 142 first guide plate, 150 second volute, 152 second inlet, 154 second outlet, 156 third plate, 158 second enclosing plate, 160 third enclosing plate, 162 second flow channel, 164 second guide plate, 170 wind channel, 180 motor, 182 drive shaft, 190 flabellum, 200 cup, 210 crushing knife, 220 sealing piece, 222 first sealing part, 224 second sealing part.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A food processor 100 according to some embodiments of the utility model is described below with reference to fig. 1-4.

Example 1:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the embodiment of the first aspect of the present invention provides a food processor 100, which includes a housing 110, a wind scooper 120, a first volute 130, a second volute 150, a motor 180 and fan blades 190.

The casing 110 is provided with an air inlet and an air outlet, the wind scooper 120 is located in the casing 110, and a first end of the wind scooper 120 is communicated with the air inlet.

The first volute 130 is located in the casing 110 and connected to the second end of the wind scooper 120, and the first inlet 132 of the first volute 130 is communicated with the wind scooper 120.

The second volute 150 is located in the housing 110, a second inlet 152 of the second volute 150 is connected to the first outlet 134 of the first volute 130, and a second outlet 154 of the second volute 150 is communicated with the air outlet.

The wind scooper 120, the first volute 130 and the second volute 150 surround the air duct 170.

The motor 180 is located within the air duct 170, and the motor 180 includes a drive shaft 182.

The fan blade 190 is located within the air duct 170, and the fan blade 190 is connected to the driving shaft 182.

In detail, the food processor 100 includes a casing 110, an air guiding cover 120, a first volute 130, a second volute 150, a motor 180, and fan blades 190, the air guiding cover 120, the first volute 130, and the second volute 150 surround the air duct 170, the air inlet and the air outlet are located at two sides of the air duct 170, and the motor 180 and the fan blades 190 are located in the air duct 170. Through the cooperation structure of reasonable wind scooper 120, first spiral case 130 and second spiral case 150 that sets up, when guaranteeing the smooth and easy nature that cooking machine 100 during operation air current flows, utilize first spiral case 130 and second spiral case 150 to do noise reduction to motor 180 and flabellum 190, also realized the purpose of multistage noise reduction, effectively promoted cooking machine 100's noise reduction.

Specifically, because the volute can give consideration to both heat dissipation and noise reduction, the first volute 130 and the second volute 150 have the function of dissipating heat from the motor 180 and the function of reducing the operating noise of the motor 180 and the fan blades 190 by reasonably arranging the matching structure of the air guiding cover 120, the first volute 130, the second volute 150, the motor 180 and the fan blades 190. The service performance and the market competitiveness of the product are improved.

It can be understood that the air guiding cover 120, the first volute 130 and the second volute 150 surround the air duct 170, the first end of the air guiding cover 120 is communicated with the air inlet, the air guiding cover 120 is communicated with the first inlet 132 of the first volute 130, the first outlet 134 of the first volute 130 is connected with the second inlet 152 of the second volute 150, the second outlet 154 of the second volute 150 is communicated with the air outlet, and the air flow flowing in from the air inlet sequentially passes through the air guiding cover 120, the first volute 130 and the second volute 150, and then flows out of the food processor 100 from the air outlet.

It can be understood that the motor 180 rotates at a high speed to generate a rotational power, and the motor 180 generates heat when operating, such that the driving shaft 182 of the motor 180 is connected to the fan blades 190, and the fan blades 190 are utilized to dissipate heat of the motor 180. When the motor 180 operates and drives the fan blades 190 to rotate, vibration noise and wind resistance turbulence noise are generated, that is, the main noise sources of the food processor 100 include the motor 180 and the fan blades 190. Therefore, the first volute 130 and the second volute 150 are used for noise reduction of the motor 180 and the fan blades 190.

It is understood that the airflow follows a continuous flow path in the first and

second volutes

130, 150 and then exits the food processor 100 through the outlet. The continuous flow channel has a diffusion function, the air flow flowing in from the air guide cover 120 has high speed and can flow through the continuous flow channel, the deflection of the air flow is reduced, the flow loss of the air flow is reduced, more energy is converted into dynamic pressure, and the situations of high flow loss of the air flow and poor pneumatic performance caused by the overlarge speed are avoided. Meanwhile, the first volute 130 and the second volute 150 have a flow collecting function, so that the frequency of phenomena such as airflow separation, flow separation, vortex and the like is reduced, and the reduction of the operation noise of the food processor 100 is facilitated.

Specifically, the first volute 130 and the second volute 150 are detachably connected, such as screwed, riveted, magnetically attracted, plugged, and so on. This arrangement facilitates cleaning and maintenance of the first and

second volutes

130 and 150 while ensuring reliability of connection of the first and

second volutes

130 and 150, reducing the possibility of bacteria growth.

Or, the first volute 130 and the second volute 150 are of an integrated structure, and the structure simplifies the molding process of the first volute 130 and the second volute 150 due to the fact that the assembly process of the first volute 130 and the second volute 150 is omitted, and the processing efficiency of products is improved. In addition, the integral connection of the first and

second volutes

130 and 150 can ensure the dimensional accuracy of the product.

Specifically, as shown in fig. 2, the arrows indicate the flow direction of the airflow.

Example 2:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, on the basis of embodiment 1, embodiment 2 provides a food processor 100 including a housing 110, a wind scooper 120, a first volute 130, a second volute 150, a motor 180 and fan blades 190.

Further, the number of the second volutes 150 is plural, the plural second volutes 150 are arranged along the height direction of the casing 110, and the second outlet 154 of one second volute 150 of any two adjacent second volutes 150 is connected with the second inlet 152 of the other second volute 150; wherein the second inlet 152 of the second volute 150 adjacent to the first volute 130 is connected with the first outlet 134, and the second outlet 154 of the second volute 150 adjacent to the air outlet is communicated with the air outlet.

Through the cooperation structure of reasonable wind scooper 120, first spiral case 130 and second spiral case 150 that sets up, when guaranteeing the smooth and easy nature that cooking machine 100 during operation air current flows, utilize first spiral case 130 and second spiral case 150 to do noise reduction to motor 180 and flabellum 190, also realized the purpose of multistage noise reduction, effectively promoted cooking machine 100's noise reduction.

second volutes

In detail, the number of the second volutes 150 is multiple, and by properly arranging the matching structures of the plurality of second volutes 150, the first volutes 130 and the casing 110, the second outlet 154 of one second volute 150 in any two adjacent second volutes 150 is connected with the second inlet 152 of the other second volute 150, the second inlet 152 of the second volute 150 close to the first volute 130 is connected with the first outlet 134, and the second outlet 154 of the second volute 150 close to the air outlet is communicated with the air outlet. That is, the plurality of second volutes 150 are connected in series. This setting has increased the length of the runner in first spiral case 130 and a plurality of second spiral case 150, has realized multistage noise reduction, is favorable to promoting the noise reduction effect of cooking machine 100.

Further, the second outlet 154 of one second volute 150 of any two adjacent second volutes 150 is connected to the second inlet 152 of the other second volute 150, that is, along the height direction of the casing 110, the airflow enters the first volute 130 from the wind scooper 120, and after sequentially flowing through the plurality of second volutes 150, is discharged from the air outlet of the casing 110. This setting has realized the multistage processing of making an uproar that falls, but the running noise of greatly reduced product.

In addition, the plurality of second volutes 150 are arranged in the height direction of the casing 110, so the footprint of the first and

second volutes

130, 150 in the radial direction of the casing 110 can be reduced.

Example 3:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, on the basis of embodiment 1 or embodiment 2, embodiment 3 provides a food processor 100 including a housing 110, an air guiding cover 120, a first volute 130, a second volute 150, a motor 180 and fan blades 190.

Further, as shown in fig. 1 and 2, the first scroll casing 130 is located above the second scroll casing 150 in a height direction of the casing 110.

In detail, by properly arranging the fitting structure of the first and

second volutes

130 and 150 such that the first volute 130 is located above the second volute 150, the arrangement can reduce the footprint of the first and

second volutes

130 and 150 in the radial direction of the casing 110.

Example 4:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, in addition to embodiment 3, embodiment 4 provides a food processor 100 including a housing 110, a wind scooper 120, a first volute 130, a second volute 150, a motor 180 and fan blades 190.

The first scroll casing 130 is located above the second scroll casing 150 in a height direction of the casing 110.

Further, as shown in fig. 1 and 2, the first scroll casing 130 is located on the peripheral side of the fan blade 190.

A portion of the motor 180 is located in the wind scooper 120, and a driving shaft 182 of the motor 180 extends into the first volute 130 through the first inlet 132 and is connected to the fan blades 190.

In detail, by reasonably arranging the matching structure of the first volute 130, the motor 180 and the fan blade 190, the first volute 130 is located on the periphery of the fan blade 190, a part of the motor 180 is located in the wind scooper 120, and the driving shaft 182 of the motor 180 extends into the first volute 130 through the first inlet 132 and is connected with the fan blade 190. That is, while the effectiveness and feasibility of noise reduction and heat dissipation of the first volute 130 and the second volute 150 are ensured, the floor area of the first volute 130 and the second volute 150 in the height direction of the casing 110 is reduced, and the overall size of the product is reduced.

Further, the first volute 130 is located on the periphery of the fan blade 190, that is, the first volute 130 is located between the fan blade 190 and the casing 110, and the first volute 130 also has a sound insulation effect, so that the fan blade 190 is separated from the casing 110, the outward transmission amount of noise generated when the motor 180 and the fan blade 190 work is reduced, and the noise reduction effect of the product is improved.

It can be understood that at least a portion of the driving shaft 182 of the motor 180 extends out of the wind scooper 120 and extends into the first volute 130 through the first inlet 132 to connect with the fan blade 190, and the driving shaft 182 rotates to drive the fan blade 190 to rotate.

Example 5:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, on the basis of embodiment 4, embodiment 5 provides a food processor 100 including a housing 110, a wind scooper 120, a first volute 130, a second volute 150, a motor 180 and fan blades 190.

The first scroll 130 is located on the peripheral side of the fan blades 190.

Further, as shown in fig. 4, the first volute 130 includes a first plate 136, a second plate 138 and a first shroud 139.

The first plate 136 is provided with the first inlet 132, and the first plate 136 is connected to the second end of the wind scooper 120.

And a second plate 138 located on a side of the first plate 136 facing away from the wind scooper 120, wherein a portion of the second plate 138 corresponding to the first inlet 132 is provided with a first outlet 134.

A first shroud 139 is connected between the first plate 136 and the second plate 138.

A first flow channel 140 is enclosed between the first plate 136 and the first shroud 139, and the first inlet 132 and the first outlet 134 are both communicated with the first flow channel 140.

The first shroud 139 is located on the periphery of the fan blades 190.

In detail, the first volute 130 includes a first plate body 136, a second plate body 138, and a first shroud plate 139. Through the cooperation structure of reasonable first plate body 136, second plate body 138 and first bounding wall 139 that sets up for first plate body 136 is provided with first entry 132, and second plate body 138 is provided with first export 134, and the first end of first bounding wall 139 is connected with first plate body 136, and the second end of first bounding wall 139 is connected second plate body 138, promptly, first bounding wall 139 is connected between first plate body 136 and second plate body 138, wherein, closes out first flow channel 140 between first plate body 136 and the first bounding wall 139. One portion of the airflow enters the first volute 130 through the first inlet 132, flows through the first flow path 140 and exits the first volute 130 through the first outlet 134, and another portion of the airflow flows from the first inlet 132 to the first outlet 134.

The first flow passage 140 defines a flow path for the airflow that flows along the first flow passage 140 and then out of the first volute 130 through the first outlet 134. The first flow channel 140 has a diffusion function, and the air flow flowing in from the air guide cover 120 has a higher speed and flows through the first flow channel 140, so that the deflection of the air flow is reduced, the flow loss of the air flow is reduced, more energy is converted into dynamic pressure, and the conditions of high flow loss and poor pneumatic performance of the air flow caused by the overhigh speed can be avoided. Meanwhile, the first flow channel 140 has a flow collecting function, so that the frequency of phenomena such as airflow separation, flow separation, vortex and the like is reduced, and the reduction of the operation noise of the food processor 100 is facilitated.

It is understood that the first inlet 132 is disposed corresponding to the first outlet 134, the first flow channel 140 is disposed around the first inlet 132 and the first outlet 134, the first flow channel 140 is disposed around the first outlet 134, and the first shroud 139 is disposed around the fan blades 190. That is to say, a containing cavity is enclosed among the opening wall of the first inlet 132, the opening wall of the first outlet 134 and the first enclosing plate 139, the fan blade 190 is located in the containing cavity, and both the first inlet 132 and the first outlet 134 are communicated with the containing cavity.

This arrangement provides structural support for the first volute 130 to surround the fan blades 190 while ensuring the effectiveness and feasibility of noise reduction of the first volute 130.

Further, as shown in fig. 4, the first volute 130 also includes a first baffle 142.

A first baffle 142 is positioned within the first flow passage 140, the first baffle 142 extending obliquely from the first plate 136 to a second inlet 152 of the second volute 150 portion.

Wherein, by properly arranging the structure of the first volute 130, the first volute 130 includes a first baffle 142, the first baffle 142 is located in the first flow channel 140, and the first baffle 142 extends obliquely from the first plate 136 to the second inlet 152 of the second volute 150. That is, one end of the first baffle 142 is connected to the first plate body 136, and the other end of the first baffle 142 extends to the second inlet 152 of the second volute 150. The first baffle 142 is effective to divert and change the direction of the airflow such that the airflow in the first flow path 140 is effectively diverted by the first baffle 142 to the second inlet 152 of the second volute 150, providing structural support for the series connection of the first volute 130 and the second volute 150.

Meanwhile, the first guide plate 142 extends obliquely, so that the turning of the airflow is reduced, the flow loss of the airflow is reduced, more energy is converted into dynamic pressure, and the conditions of large flow loss and poor pneumatic performance of the airflow caused by overlarge speed energy are avoided.

Further, as shown in fig. 4, the second volute 150 includes a third plate body 156, a second shroud 158, and a third shroud 160.

A third plate 156 is provided with a second inlet 152, the third plate 156 being connected to the second plate 138.

A second shroud 158 is provided on a side of the third plate 156 facing away from the first volute 130.

The third shroud 160 is disposed on a side of the third plate 156 facing away from the first volute 130 and outside of the second shroud 158.

A second flow channel 162 is enclosed among the second enclosing plate 158, the third enclosing plate 160 and the third plate body 156, and the second outlet 154 is disposed corresponding to the air outlet.

The second inlet 152 and the second outlet 154 are both in communication with the second flow passage 162.

Wherein the second volute 150 includes a third plate body 156, a second shroud 158, and a third shroud 160. Through the reasonable arrangement of the matching structure of the third plate body 156, the second enclosing plate 158 and the third enclosing plate 160, the third plate body 156 is provided with the second inlet 152, the second enclosing plate 158 and the third enclosing plate 160 are both connected with one side of the third plate body 156 departing from the first volute 130, wherein a second flow passage 162 and a second outlet 154 are enclosed between the second enclosing plate 158, the third enclosing plate 160 and the third plate body 156, and the second inlet 152 and the second outlet 154 are both communicated with the second flow passage 162. A portion of the airflow enters the second volute 150 through the second inlet 152, flows through the second flow channel 162, exits the second volute 150 through the second outlet 154, and then flows to the air outlet. Another portion of the airflow passes from the second inlet 152 to the second outlet 154 and then to the outlet.

The second flow passage 162 defines a flow path for the airflow that flows along the second flow passage 162 and then out of the second volute 150 via the second outlet 154. The second flow channel 162 has a diffusion function, and the air flow flowing from the first scroll casing 130 has a higher speed and flows through the second flow channel 162, so that the deflection of the air flow is reduced, the flow loss of the air flow is reduced, more energy is converted into dynamic pressure, and the conditions of high flow loss and poor pneumatic performance of the air flow caused by the overlarge speed can be avoided. Meanwhile, the second flow channel 162 has a flow collecting function, so that the frequency of occurrence of phenomena such as airflow separation, flow separation, vortex and the like is reduced, and the reduction of the operation noise of the food processor 100 is facilitated.

Further, as shown in fig. 4, the second volute 150 also includes a second baffle 164.

The second baffle 164 is positioned between the second enclosure 158 and the third enclosure 160, and the second inlet 152 is positioned between the second baffle 164 and the second outlet 154.

A first end of the second flow guide plate 164 is connected to the third plate 156, and a second end of the second flow guide plate 164 abuts against an inner wall surface of the casing 110.

The second volute 150 includes a second guide plate 164 by reasonably setting the structure of the second volute 150, the second guide plate 164 is located between the second enclosing plate 158 and the third enclosing plate 160, a first end of the second guide plate 164 is connected to the third plate 156, and a second end of the second guide plate 164 abuts against an inner wall surface of the casing 110. The second baffle 164 has the function of guiding and changing the direction of the airflow, so that the airflow in the second flow path 162 is effectively guided to the second outlet 154 of the second volute 150 by the second baffle 164 without flowing in a direction away from the second outlet 154. That is, the airflow does not leak from the connection between the second volute 150 and the inner wall of the casing 110, so that the airflow is effectively guided to the second outlet 154, which is beneficial to improving the noise reduction effect of the second volute 150.

Further, as shown in fig. 4, the second baffle 164 extends obliquely in a direction away from the second inlet 152.

Wherein, through the structure of reasonable second guide plate 164 that sets up for second guide plate 164 extends along the direction slope that deviates from second entry 152, should be provided with and do benefit to the turn over that reduces the air current, is favorable to reducing the flow loss of air current, makes more energy conversion dynamic pressure, avoids taking place because of the too big condition poor with the aerodynamic performance of the flow loss that leads to the air current of speed ability.

Example 6:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, on the basis of any one of the above embodiments, embodiment 6 provides a food processor 100 including a housing 110, a wind scooper 120, a first volute 130, a second volute 150, a motor 180 and fan blades 190.

Further, as shown in fig. 1 and 2, a gap is formed between the wind scooper 120 and the casing 110.

In detail, by reasonably arranging the matching structure of the casing 110 and the wind scooper 120, a gap is formed between the wind scooper 120 and the casing 110, and the wind scooper 120 has both a flow guiding function and a sound insulation function. Because a gap is formed between the wind scooper 120 and the casing 110, that is, the wind scooper 120 is separated from the casing 110, the outward transmission amount of noise generated when the motor 180 and the fan blade 190 work is reduced, which is beneficial to improving the noise reduction effect of the product. In addition, the wind scooper 120 also has the functions of heat preservation and heat insulation for food materials inside the wind scooper 120, so that the user is prevented from being scalded, and the use safety and reliability of the product are improved.

Example 7:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, on the basis of the above embodiment 6, embodiment 7 provides a food processor 100 including a housing 110, a wind scooper 120, a first volute 130, a second volute 150, a motor 180 and fan blades 190.

A gap is formed between the wind scooper 120 and the casing 110.

Further, as shown in fig. 1 and 2, the food processor 100 includes a cup 200 and a crushing blade 210.

A portion of the cup 200 is located within the wind scooper 120.

The grinding blade 210 is positioned within the cup 200 and a portion of the drive shaft 182 extends into the cup 200 and is coupled to the grinding blade 210.

In detail, the food processor 100 includes a cup 200 and a crushing blade 210. Wherein, a part of the cup body 200 is positioned in the wind scooper 120, the crushing knife 210 is positioned in the cup body 200, a part of the driving shaft 182 extends into the cup body 200 and is connected with the crushing knife 210, the motor 180 works, and the driving shaft 182 drives the crushing knife 210 to rotate so as to crush the food material.

It can be understood that when the driving shaft 182 drives the crushing blade 210 to rotate to crush the food material, the food material collides with the cup body 200 to generate noise, a part of the cup body 200 is positioned in the wind scooper 120, and the wind scooper 120 has an effect of isolating the cup body 200 from the casing 110. The outward transmission amount of noise generated when the crushing cutter 210 works is reduced, and the noise reduction effect of the product is favorably improved. In addition, the wind scooper 120 also has the functions of heat preservation and heat insulation for food materials inside the cup body 200, so that the user is prevented from being scalded, and the use safety and reliability of the product are improved.

In addition, noise reduction processing can be performed on noise generated when the food material collides with the cup body 200 by using the first volute 130 and the second volute 150, so that the purpose of multi-stage noise reduction processing is also achieved, and the noise reduction effect of the food processor 100 is effectively improved.

Example 8:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, on the basis of the above embodiment 7, embodiment 8 provides a food processor 100 including a housing 110, a wind scooper 120, a first volute 130, a second volute 150, a motor 180 and fan blades 190.

A gap is formed between the wind scooper 120 and the casing 110.

The food processor 100 comprises a cup body 200 and a crushing knife 210.

A portion of the cup 200 is located within the wind scooper 120.

Further, in the height direction of the casing 110, the height of the portion of the cup 200 located inside the wind scooper 120 is greater than the height of the portion of the cup 200 located outside the wind scooper 120.

In detail, by reasonably arranging the matching structure of the cup 200 and the casing 110, in the height direction of the casing 110, the height of the part of the cup 200 inside the wind scooper 120 is greater than the height of the part of the cup 200 outside the wind scooper 120. That is, a majority of the cup 200 is located within the wind scooper 120. This setting has increased the cooperation area of wind scooper 120 with cup 200, and then is favorable to promoting cooking machine 100's noise reduction effect.

Further, as shown in fig. 1, a portion of the motor 180 is located within the wind scooper 120.

The gap between the part of wind scooper 120 corresponding to cup 200 and casing 110 is smaller than the gap between the part of wind scooper 120 corresponding to motor 180 and casing 110.

Wherein, a part of the motor 180 is located in the wind scooper 120, and the clearance between the part of the wind scooper 120 corresponding to the cup 200 and the casing 110 is smaller than the clearance between the part of the wind scooper 120 corresponding to the motor 180 and the casing 110 by reasonably arranging the matching structure among the motor 180, the wind scooper 120 and the cup 200. Because the radial dimension of the motor 180 is smaller than that of the cup body 200, the matching structure of the wind scooper 120, the motor 180 and the cup body 200 is set up in a targeted manner according to the existing structure of the motor 180 and the cup body 200, so that the gap between the part of the wind scooper 120 corresponding to the motor 180 and the casing 110 is increased, the outward transmission amount of noise generated when the motor 180 and the fan blade 190 work is effectively reduced, the sound insulation effect of the motor 180 is enhanced, and the noise reduction effect of the food processor 100 is improved.

Example 9:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, on the basis of any one of the above embodiments, embodiment 9 provides a food processor 100 including a housing 110, a wind scooper 120, a first volute 130, a second volute 150, a motor 180 and fan blades 190.

Further, as shown in fig. 1 and 2, the food processor 100 further includes a sealing member 220, and the sealing member 220 is used for sealing a connection between the wind scooper 120 and the first volute 130.

In detail, the food processor 100 further includes a sealing element 220, and the sealing element 220 is used to seal the joint between the wind scooper 120 and the first volute 130, so as to prevent the airflow from leaking from the joint between the wind scooper 120 and the first volute 130, and the airflow can only flow along the air duct 170 enclosed by the wind scooper 120, the first volute 130 and the second volute 150, which is beneficial to the performance of noise reduction performance of the wind scooper 120, the first volute 130 and the second volute 150.

Further, as shown in fig. 1, an end of the wind scooper 120 extends into the first inlet 132, and the sealing member 220 includes a first sealing portion 222 and a second sealing portion 224.

The first seal 222 is located between the top of the first volute 130 and the outer surface of the wind scooper 120.

The second seal 224 is located between the mouth wall of the first inlet 132 and the outer surface of the wind scooper 120.

In detail, the end of the wind scooper 120 extends into the first inlet 132, and the sealing member 220 includes a first sealing portion 222 and a second sealing portion 224, wherein the first sealing portion 222 is used for sealing the junction between the top of the first volute 130 and the outer surface of the wind scooper 120, and the second sealing portion 224 is used for sealing the junction between the mouth wall of the first inlet 132 and the outer surface of the wind scooper 120. The airflow is prevented from leaking out from the junction between the top of the first volute 130 and the outer surface of the wind scooper 120, and the junction between the wall of the first inlet 132 and the outer surface of the wind scooper 120.

Specifically, the first sealing portion 222 and the second sealing portion 224 are connected, e.g., the first sealing portion 222 and the second sealing portion 224 enclose an "L" shaped structure.

Specifically, the seal 220 includes a rubber seal 220.

Example 10:

the food processor 100 includes a wall breaking machine, a soybean milk machine, a coarse cereal machine, etc., which are not listed herein.

As shown in fig. 1 and 2, the food processor 100 includes a housing 110, a motor 180, an air guiding cover 120, fan blades 190, a first volute 130, a second volute 150, a cup 200, and a crushing blade 210.

It can be understood that the motor 180 rotates at a high speed to generate a rotational power, and the motor 180 generates heat when operating, such that the driving shaft 182 of the motor 180 is connected to the fan blades 190, and the fan blades 190 are utilized to dissipate heat of the motor 180. When the motor 180 operates and drives the fan blades 190 to rotate, vibration noise and wind resistance turbulence noise are generated, that is, the main noise sources of the food processor 100 include the motor 180 and the fan blades 190.

This application can receive edible material striking and produce and fall the noise and make an uproar to motor 180, flabellum 190 and cup 200. Specifically, the series structure of the double-layer volute (e.g., the first volute 130 and the second volute 150) is designed at the air outlet of the fan blade 190, so that the heat dissipation effect is achieved, the noise reduction effect is good, and meanwhile, the wind scooper 120 has the effect of isolating and reducing noise for the motor 180 and the cup 200.

As shown in fig. 1 and 2, the first scroll casing 130 and the second scroll casing 150 are vertically attached. Wherein the first outlet 134 of the first volute 130 is connected to the second inlet 152 of the second volute 150. The first volute 130 has a first baffle 142, and the first baffle 142 is configured to direct the airflow in the first flow path 140 to the second inlet 152 of the second volute 150.

The first baffle 142 is gently inclined, and the first baffle 142 guides the airflow in the first flow path 140 of the first volute 130.

The second volute 150 includes a third plate body 156, a second shroud 158, a third shroud 160, and a second baffle 164, and the second baffle 164 is gently inclined. A first end of the second flow guide plate 164 is connected to the third plate 156, and a second end of the second flow guide plate 164 abuts against an inner wall surface of the casing 110.

The second baffle 164 functions to direct the airflow within the second flow path 162 of the second volute 150.

The wind scooper 120 has a function of isolating noise of the motor 180 and the cup 200.

As shown in fig. 2, arrows indicate the cooling system cold air convection pattern. The wind scooper 120 isolates a portion of the motor 180 and a portion of the cup 200 from the outside.

In addition, the wind scooper 120 also has the function of heat preservation and insulation for the food material inside the cup body 200.

second volutes

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A food processor, comprising:

the air conditioner comprises a shell, a fan and a controller, wherein the shell is provided with an air inlet and an air outlet;

the air guide cover is positioned in the shell, and the first end of the air guide cover is communicated with the air inlet;

the first volute is positioned in the shell and connected with the second end of the air guide cover, and a first inlet of the first volute is communicated with the air guide cover;

the second volute is positioned in the machine shell, a second inlet of the second volute is connected with a first outlet of the first volute, a second outlet of the second volute is communicated with the air outlet, and the air guide cover, the first volute and the second volute surround an air outlet channel;

a motor located within the air duct, the motor including a drive shaft;

and the fan blade is positioned in the air channel and connected with the driving shaft.

2. The food processor of claim 1,

the number of the second volutes is multiple, the multiple second volutes are arranged along the height direction of the machine shell, and the second outlet of one second volute in any two adjacent second volutes is connected with the second inlet of the other second volute;

wherein a second inlet of the second volute, which is close to the first volute, is connected with the first outlet, and a second outlet of the second volute, which is close to the air outlet, is communicated with the air outlet.

3. Food processor according to claim 1 or 2,

the first volute is located above the second volute along the height direction of the casing.

4. The food processor of claim 3,

the first volute is located on the periphery of the fan blade, one part of the motor is located in the air guide cover, and the driving shaft of the motor extends into the first volute through the first inlet and is connected with the fan blade.

5. The food processor of claim 4, wherein the first volute comprises:

the first plate body is provided with the first inlet and connected with the second end of the wind scooper;

the second plate body is positioned on one side, away from the air guide cover, of the first plate body, and a first outlet is formed in the part, corresponding to the first inlet, of the second plate body;

the first enclosing plate is connected between the first plate body and the second plate body, a first flow channel is enclosed between the first plate body and the first enclosing plate, and the first inlet and the first outlet are both communicated with the first flow channel;

wherein, the first bounding wall is located the week side of flabellum.

6. The food processor of claim 5, wherein the first volute further comprises:

a first baffle plate positioned within the first flow passage, the first baffle plate extending obliquely from the first plate body to the second inlet of the second volute.

7. The food processor of claim 5, wherein the second volute comprises:

the third plate body is provided with the second inlet and connected with the second plate body;

the second enclosing plate is arranged on one side, away from the first volute, of the third plate body;

the third enclosing plate is arranged on one side, away from the first volute, of the third plate body and is positioned on the outer side of the second enclosing plate, a second flow channel is enclosed among the second enclosing plate, the third enclosing plate and the third plate body, and the second outlet is arranged corresponding to the air outlet;

wherein the second inlet and the second outlet are both in communication with the second flow passage.

8. The food processor of claim 7, wherein the second volute further comprises:

the second guide plate is positioned between the second enclosing plate and the third enclosing plate, the second inlet is positioned between the second guide plate and the second outlet, the first end of the second guide plate is connected with the third plate body, and the second end of the second guide plate abuts against the inner wall surface of the shell.

9. The food processor of claim 8,

the second baffle extends obliquely in a direction away from the second inlet.

10. The food processor of claim 1 or 2, further comprising:

the cup body, a part of the cup body is positioned in the wind scooper;

and the crushing knife is positioned in the cup body, and one part of the driving shaft extends into the cup body and is connected with the crushing knife.

11. The food processor of claim 10,

a gap is formed between the wind scooper and the shell.

12. The food processor of claim 11,

one part of the motor is positioned in the wind scooper;

the gap between the part of the wind scooper corresponding to the cup body and the shell is smaller than the gap between the part of the wind scooper corresponding to the motor and the shell.

13. The food processor of claim 10,

in the height direction of the casing, the height of the part of the cup body, which is positioned in the air guide cover, is greater than the height of the part of the cup body, which is positioned outside the air guide cover.

14. The food processor of claim 1 or 2, further comprising:

and the sealing element is used for sealing the joint of the wind scooper and the first volute.

15. The food processor of claim 14,

the end part of the wind scooper extends into the first inlet;

the sealing element comprises a first sealing portion and a second sealing portion, the first sealing portion is located between the top of the first volute and the outer surface of the wind scooper, and the second sealing portion is located between the opening wall of the first inlet and the outer surface of the wind scooper.