CN212882777U - Food processor with optimized air duct structure - Google Patents

Abstract

The utility model discloses a food processor with an optimized air duct structure, which comprises a host machine and a processing cup assembly arranged on the host machine, wherein a stirring piece driven by a motor assembly is arranged inside the processing cup assembly; be equipped with the cooling air duct in the host computer, the cooling air duct includes first air intake and first air outlet, and first air intake is close to the setting of motor element output, and the setting of motor element output is kept away from to first air outlet. The utility model discloses set up cooling duct inside the host computer, set up air intake and air outlet respectively with two tip of electrical components, outside air current can fully dispel the heat to electrical components after getting into the host computer, and exhaust hot-blast stream and air intake distance are far away moreover, can not be inhaleed the inside condition that leads to the heat to store up of host computer again and take place, guarantee the radiating effect of host computer, improve the life of complete machine.

Description

Food processor with optimized air duct structure

Technical Field

The utility model relates to a food processing field, concretely relates to optimize food preparation machine of wind channel structure.

Background

At present, the air duct structure of the food processor in the prior art is arranged at the bottom, air inlet channels are arranged at two sides of the bottom, an air outlet structure is arranged at the central part of the bottom, a fan at the bottom of a motor rotates at a high speed to form a certain negative pressure cavity in the air duct, external cold air flows to the negative pressure cavity along the motor, and hot air in the cavity is brought out through the air outlet structure at the bottom. But because inlet air channel and air-out passageway are too close to, can't discharge fast at the inside temperature of host computer, the heat convection can last, the circulating flows in the host computer, leads to the radiating effect of motor unsatisfactory in the host computer, influences product life.

Disclosure of Invention

In order to solve one or more technical problem among the prior art, or at least provide a profitable selection, the utility model provides an optimize the food preparation machine of wind channel structure improves the inside radiating effect of host computer, improves product life.

The utility model discloses a food processor with an optimized air duct structure, which comprises a host machine and a processing cup assembly arranged on the host machine, wherein a stirring piece driven by a motor assembly is arranged inside the processing cup assembly; be equipped with the cooling air duct in the host computer, the cooling air duct includes first air intake and first air outlet, and first air intake is close to the setting of motor element output, and the setting of motor element output is kept away from to first air outlet.

The utility model discloses set up the cooling duct inside the host computer, set up air intake and air outlet respectively with two tip of motor element, outside air current can fully dispel the heat to motor element after getting into the host computer, all set up the structure in the host computer bottom with air intake and air outlet for prior art, the wind channel structure of simplifying, the heat dissipation air current is more smooth and easy, and exhaust hot air current and air intake distance are far away, can not be absorbed the inside condition that leads to the heat to store up of host computer again and take place, guarantee the radiating effect of host computer, the life of complete machine is improved.

As a preferred scheme of the food processor with the optimized air duct structure, the cooling air duct forms a straight-through structure from top to bottom along the longitudinal direction of the main machine.

Because air intake and air outlet all set up in the host computer bottom among the prior art, outside air current need rise in proper order, descend the back to discharge inside the host computer, the circuitous route overlength of air current is unfavorable for the host computer heat dissipation, and the utility model discloses set up the cooling duct into top-down's through type structure, can accelerate the air current discharge to directly dispel the heat to the motor unit price, thereby effectively improve the radiating effect.

As a preferable scheme of the food processor with the optimized air duct structure, the first air inlet is formed in the top wall of the main machine.

The first air inlet is used as an upper air inlet of the main machine and is arranged on the top wall of the main machine, so that air flow can directly form a straight-through type heat dissipation effect, and the flow guiding effect is better for a food processing machine with a processing cup arranged inside the main machine.

As an optimized proposal of the food processor with the optimized air duct structure, the main machine is provided with an extension wall towards the processing cup component, a first air inlet gap is arranged between the inner wall of the extension wall and the outer wall of the processing cup component, and the first air inlet gap is communicated with a first air inlet.

The extension wall can play the supporting effect to the processing cup, and first air inlet clearance is used for guaranteeing that outside air current can directly communicate with first air intake, avoids processing the problem that the clearance undersize between cup and the extension wall leads to the air current unsmooth.

As a preferred scheme of the food processor with the optimized air duct structure, the output end of the motor assembly is in transmission connection with the stirring piece through the connector, and the connector is correspondingly arranged with the first air inlet, so that air flow can be introduced into the first air inlet in a rotating state of the connector.

Utilize electrode assembly to the drive of connector, make the connector can high-speed rotatory to carry out the negative pressure around the connector, outside air current is inhaled because of near connector negative pressure, and further gets into cooling duct and realize the heat dissipation to motor element, the connector can play the guide effect to the air current, reduces the air current resistance, improves the radiating effect.

As a preferred scheme of the food processor with the optimized air duct structure, the processing cup assembly is fixedly arranged on the main machine, and the first air inlet is formed in the side wall of the main machine.

The gap is not enough between processing cup and the host computer in some food preparation machines, sets up the air inlet gap and also can't guarantee the air inlet effect completely, to this structure, can set up first air intake at the lateral wall of host computer, and outside air current passes through the host computer lateral wall and gets into the host computer, is discharged in the host computer below behind the motor element of flowing through to take away the inside heat of host computer, realize effectively dispelling the heat.

As a preferred scheme of optimizing the food preparation machine of wind channel structure, the host computer includes the casing, and the casing is equipped with the first through-hole of holding motor element output, and first air intake is formed at first through-hole.

First air intake is used for realizing the inside air inlet of host computer, because cooling duct mainly acts on motor element, motor element's output sets up devices such as motor shaft and is used for being connected with the stirring spare transmission of top, utilizes first through-hole can realize the inside air inlet demand of host computer, has simplified the structure of host computer up end.

As a preferred scheme of the food processor with the optimized air duct structure, a boss is arranged in the middle of the shell, an air guide groove is formed at the periphery of the boss, and a second air inlet gap communicated with the first air inlet is formed between the bottom of the processing cup assembly and the bottom of the air guide groove.

After the host computer washs, the cup lateral wall can remain and wash water to wash water and can get into the gap between host computer and the processing cup along the cup lateral wall, the wind-guiding recess can guide the air current to the eminence to first air intake on the one hand, and on the other hand can avoid wasing in can being inhaled the host computer along with the air current, because high reason, wash water and can be blockked by the wind-guiding recess, avoid the host computer damage of intaking.

As a preferred proposal of the food processor for optimizing the air duct structure, a first convex rib arranged towards the tool apron component is arranged around the first through hole.

As mentioned above, the washing water can enter the air guide groove, and in order to further reduce the probability of the washing water entering the main unit, the first convex rib is arranged on the upper edge of the first through hole on the top surface of the boss, so that the washing water remaining on the upper surface of the boss is prevented from entering the main unit.

As a preferred scheme of the food processor with the optimized air duct structure, the bottom of the air guide groove is provided with an overflow hole communicated to the bottom of the main machine.

Along with the live time increases, wash water can form in the wind-guiding recess and store up, need in time discharge to avoid bacterial growing, and if wash water to store up more and more, can get into the host computer more easily inside, consequently, set up the spillway hole bottom the wind-guiding recess, can discharge the washing water that stores up in the wind-guiding recess fast, wash water no longer store up in the wind-guiding recess, can not cause the influence to the host computer, guaranteed the safe in utilization of host computer.

As a preferred scheme of the food processor with the optimized air duct structure, the motor assembly is provided with a plurality of second air inlets communicated with the interior of the motor and a second air outlet communicated with the second air inlets, and the second air inlets are also communicated with the first air inlets.

The second air inlet is used for leading the air current that gets into by first air inlet to inside the motor element to the realization is to the inside direct heat dissipation of motor element, and the second air outlet that sets up moreover can be with the direct discharge of the heat in the motor element, improves the radiating effect.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic view of a food processor according to an embodiment of the present invention.

Fig. 2 is an exploded view of the food processor of the embodiment of fig. 1.

Fig. 3 is a cross-sectional view of the food processor of the embodiment shown in fig. 1.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5 is a cross-sectional view of the mainframe in the embodiment of fig. 1.

Fig. 6 is a schematic diagram of the upper end surface structure of the host in the embodiment shown in fig. 1.

Fig. 7 is a sectional view of the main body case in the embodiment shown in fig. 1.

Fig. 8 is a top view of the base of the embodiment of fig. 1.

Figure 9 is a cross-sectional view of the motor assembly of the embodiment of figure 1.

Fig. 10 is an exploded view of the motor assembly of the embodiment of fig. 1.

Fig. 11 is a schematic structural diagram of the motor body in the embodiment shown in fig. 1.

Fig. 12 is a schematic structural view illustrating the first air inlet disposed on the side wall of the main unit according to an embodiment of the present invention.

Fig. 13 is a schematic view of a central air outlet structure of the main base according to an embodiment of the present invention.

Figure 14 is a bottom view of the base of the embodiment of figure 13.

Fig. 15 is a schematic structural view of air outlets at two sides of the base according to an embodiment of the present invention.

Figure 16 is a bottom view of the base of the embodiment of figure 15.

Fig. 17 is a schematic structural view of the rear outlet of the base according to an embodiment of the present invention.

Figure 18 is a bottom view of the base of the embodiment of figure 17.

Wherein:

1-processing cup component, 11-tool apron component, 111-stirring component, 112-upper connector, 113-lower connector, 12-cup body, 13-cup cover, 2-main machine, 21-motor component, 211-second air inlet, 212-second air outlet, 213-motor body, 214-motor support, 215-rotor, 216-fan, 22-cooling air duct, 221-first air inlet, 222-first air outlet, 23-extension wall, 24-first air inlet gap, 25-shell, 251-first through hole, 252-boss, 253-air guide groove, 254-second air inlet gap, 255-first convex rib, 256-overflow hole, 257-overflow guide column, 26-base, 261-heat dissipation hole, 262-foot pad.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

It should be noted that in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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 specific scheme is as follows:

example 1

As shown in fig. 1-4, the utility model discloses a optimize food preparation machine of wind channel structure is a formula of cuting straightly food preparation machine, including host computer 2 and install processing cup subassembly 1 on host computer 2, processing cup subassembly 1 can be dismantled with host computer 2 and be connected, and processing cup subassembly 1 can realize the processing to eating the material with host computer 2 direct coordination. Be equipped with motor element 21 in the host computer 2, processing cup subassembly 1 includes blade holder subassembly 11, installs cup 12 on blade holder subassembly 11 and installs bowl cover 13 on the cup, and blade holder subassembly 11 includes stirring 111, and stirring 111 is connected with motor element 21 transmission. In order to improve the heat dissipation efficiency of the motor assembly 21, a cooling air duct 22 is disposed in the host 2, the cooling air duct 22 includes a first air inlet 221 and a first air outlet 222, the first air inlet 221 is disposed near the output end of the motor assembly, and the first air outlet 222 is disposed far away from the output end of the motor assembly. Set up the air intake in host computer side bottom among the prior art, general air intake sets up two relative sides at the host computer for two subsections, and a side between two air intakes sets up the air outlet, and the shortcoming of this structure lies in that the air current gets into the back from the bottom, rises through the circuitous wind channel that sets up in the host computer inside again and flows back to the bottom, and the air current route is comparatively complicated, is unfavorable for circulation heat dissipation, and too closely with the air intake when the air current is discharged, easily causes the air current disorder, also can influence the heat dissipation equally. And the cooling air duct 22 that this embodiment formed then sets up air intake and air outlet in the position that is close to motor element 21 upper and lower both ends, and air inlet air current and air-out air current do not influence each other to guarantee that the air current is unobstructed, improve the radiating efficiency.

Because motor element 21 is fixed inside host computer 2 along the axial, in order to guarantee that cooling duct 22 can satisfy the radiating effect to motor element 21, first air intake 221 should set up at least in the 1/3 scope on host computer 2 upper portion, and the height of first air intake 221 should be higher than the up end of the inside motor element 21 of host computer 2, can guarantee that cooling duct 22 has sufficient length on the one hand, on the other hand, the air current of being introduced can run through motor element 21, form abundant cooling to the motor element 21 that sets up inside host computer 2 after the air current gets into host computer 2, thereby improve the radiating effect.

In this embodiment, in order to further improve the heat dissipation effect on the motor assembly, the cooling air duct 22 forms a straight-through structure from top to bottom along the longitudinal direction of the main body 2, and the straight-through structure can reduce the internal airflow resistance, so that the airflow can be smoothly sucked and discharged. External air flow can enter the cooling air duct 22 through the first air inlet 221 at the upper part and directly exhaust heat through the first air outlet 222 at the lower part to be directly carried out by the air flow, the heat cannot be accumulated inside the host machine 2 to influence the motor assembly 21 or other components, the temperature in the host machine 2 is effectively reduced, and the service life of the motor assembly 21 is prolonged.

Specifically, in this embodiment, the first air inlet 221 is disposed on the top wall of the main body 2, so as to achieve the straight-through air flow cooling effect of the cooling air duct 22. It can be understood that, in practical application, for some structures in which the upper portion of the host is sleeved with the processing cup assembly, or structures in which the processing cup assembly is directly and fixedly mounted on the host, because the first air inlet cannot be directly arranged on the top wall of the host, a plurality of through holes can be circumferentially arranged on the side wall of the upper portion of the host, as shown in fig. 12, the through holes serve as the first air inlet 221, and the first air inlet 221 and the first air outlet are communicated, so that through cooling and heat dissipation of the motor assembly are realized, and an excessively circuitous air duct does not need to be arranged inside the host.

As shown in fig. 3-5, the main body 2 is provided with an extension wall 23 facing the processing cup assembly 1, the extension wall 23 is used for supporting the lower end of the processing cup assembly 1, the extension wall 23 is formed by extending the outer wall of the main body 2 upwards, and the extension wall 23 and the outer wall of the main body 2 are integrally formed and smoothly transited for ensuring the appearance. A whole circle of first air inlet gaps 24 are formed between the inner wall of the extension wall 23 and the outer wall of the processing cup assembly 1, the first air inlet gaps 24 are communicated with first air inlets 221, external air flow can enter the cooling air duct 22 along the first air inlet gaps 24, the width A1 of the first air inlet gaps 24 is 0.4mm, in practical application, the width A1 of the first air inlet gaps 24 is kept at 0.2-0.5mm, air inlet is unsmooth due to the fact that the gap width is too small, and support of the processing cup assembly 21 is affected due to the fact that the gap width is too large.

In this embodiment, the motor element output is connected with blade holder subassembly 11 through the connector transmission, and the connector includes connector 112 and lower connector 113, goes up the built-in bottom at blade holder subassembly 11 of connector 112 and fixes the arbor lower extreme at stirring piece 111, and lower connector 113 is fixed at the motor output, and when processing cup subassembly 1 and host computer 2 transmission are connected, the motor element output passes through the connector and drives stirring piece 111 and be high-speed rotary motion to cutting and smashing food. The lower connector 113 is disposed corresponding to the first air inlet 221 so that the air flow can be introduced into the first air inlet 221 in a state that the connector is rotated. When the connector rotates, the connector drives the airflow nearby, so as to guide the external airflow to enter the first air inlet 221 along the first air inlet gap 24 and flow to the first air outlet 222.

As shown in fig. 6 and 7, the main body 2 includes a housing 25, the housing 25 is provided with a first through hole 251 for accommodating an output end of the motor assembly, the first air inlet 221 is formed in the first through hole 251, and an aperture B of the first through hole 251 is 15-25 mm. Realize the air inlet through the first through-hole 251 that sets up at motor element 21 up end, the air current flow direction is stable, enables the quick introduction of air current moreover, improves the radiating efficiency.

The middle of the housing 25 of the main body 2 is provided with a boss 252, the outer periphery of the boss 252 and the inner wall of the extension wall 23 are matched to form a whole circle of air guide groove 253, and a second air inlet gap 254 communicated with the first air inlet 221 is formed between the bottom of the tool apron assembly 11 and the bottom of the air guide groove 253. The boss 252 is provided with a height a7 greater than 5 mm. A second air inlet gap 254 is reserved at the bottom of the cutter holder assembly 11 and the bottom of the air guide groove 253, and the width A10 of the second air inlet gap 254 is larger than 2 mm. The first through hole 251 is arranged in the middle of the boss 252, the top of the first through hole 251 is provided with a first rib 255 facing the tool apron assembly 11, the first rib 255 is an annular rib, and the height A8 of the first rib 255 is larger than 2mm, so that residual water in the middle boss 252 of the main unit 2 is prevented from being brought into the main unit 2 by the rotation of the lower connecting 113 head.

The lower connector 113 is arranged above the boss 252 and connected with the output shaft of the motor, the upper connector 112 and the lower connector 113 are driven by the motor assembly 21 to rotate at high speed, the upper connector 112 and the lower connector 113 are arranged at the bottom of the tool apron assembly 11 and above the main machine 2, as mentioned above, the connector will have a drainage effect when rotating, and in this embodiment, a full circle of gap is formed on the circumference of the connector, the gap width a6 is 4mm, the air guide groove 253 is arranged in a 3-5mm range as required, the motor assembly 21 drives the connector to rotate at a high speed, a negative pressure cavity is formed in the gap around the connector, external high-pressure air flow is sucked through the first air inlet gap 24 under the negative pressure action of the negative pressure cavity, and then enters the first through hole 251 along the boss 252 on the main machine 2 through the air guide groove 253 and is sucked into the main machine 2.

Further, the bottom of the air guiding groove 253 is provided with an overflow hole 256 communicated with the bottom of the host 2, and an overflow guiding column 257 is arranged inside the host 2 corresponding to the overflow hole 256, wherein the air guiding groove 253, the overflow hole 256 and the overflow guiding column 257 are integrated, the host 2 further comprises a base 26 arranged at the bottom of the casing 25, and the overflow guiding column 257 and the base 26 are connected together. The boss 252 provided in the middle of the main body 2 can block water in the air guiding recess 253, and the residual water enters the overflow deflector 257 along the overflow hole 257 of the air guiding recess 253 and then flows out of the base 26.

As shown in fig. 9-11, in order to ensure smooth airflow, a plurality of second air inlets 211 communicating with the inside of the motor and a second air outlet 222 communicating with the second air inlets 211 are disposed on the motor assembly 21 inside the main body 2, the upper side of the second air inlets 211 is further communicated with the first air inlets 221, and the hot air is exhausted to the outside after flowing through the second air outlets 222. The motor assembly 21 includes a motor body 213 and a motor bracket 214, the motor body 213 is fixed on the motor bracket 214 and fixed inside the main machine housing 25, the second air inlet 222 sequentially penetrates through the motor body 213 and the motor bracket 214, the width a4 of the second air inlet 211 is 3-5mm, and the second air inlets 211 arranged at the top of the motor assembly 21 are uniformly distributed around the motor shaft. The motor body 213 is provided with a rotor 215 inside, a fan 216 is provided at the lower end of the rotor 215, the second air outlet 212 is provided at both sides of the fan 216, and the second air outlet 212 and the fan 216 are provided at the same height, so that the air flow can be rapidly discharged. The width A2 of the second air outlet 212 is 3-6mm, a ventilation gap is arranged between the rotor 215 and the inner wall of the magnetic shoe in a whole circle, the width A5 of the ventilation gap is 1-3mm, the outer diameter of the fan 216 is smaller than the outer diameter of the rotor 215 by 1-2mm, a whole circle gap is formed between the motor fan 216 and the inside of the rotor 215, the fan 216 is driven by the rotor 215 to rotate at a high speed, a negative pressure cavity is formed around the fan, high-pressure air flow is led into the motor assembly 21 quickly from the air inlets uniformly distributed on the motor body 213 and flows through the motor rotor 215, the air flow flows out from the second air outlets 212 arranged on two sides of the motor assembly 21 quickly and flows out quickly along the heat dissipation holes 261 arranged on the base 26, so that the temperature generated by the high-speed movement of the motor assembly 21 is reduced quickly, the problem that the motor assembly.

As shown in fig. 8, the bottom of the base 26 is uniformly provided with 4 sets of heat dissipation holes 261 as the first air outlet 222 along the periphery of the center, the heat dissipation holes 261 are arranged in a shutter structure, 4 pads 262 are arranged in 4 directions of the periphery of the heat dissipation holes at the bottom of the base 26, the height of the pads 262 is set to be larger than 5mm, so that the heat dissipation at the bottom of the base 26 is sufficient, and meanwhile, the 4 pads 262 are favorable for the overall balance and stability of the whole machine.

In the embodiment, a direct-insert structure is adopted, the cooling air duct 22 is a direct-current through structure, the first air outlet 222 is arranged at the bottom of the main machine, the first air inlet 221 is arranged at the upper part of the main machine 2, the first air inlet gap 24 with the thickness of 0.2-0.5mm is arranged between the outer wall of the tool apron assembly 11 and the inner wall of the main machine 2, the ventilation gap is arranged between the motor rotor 215 and the motor housing 25, the fan 216 is arranged at the bottom of the rotor 215, the lower connector 113 is arranged at the top of the motor assembly 21, the fan 216 and the lower connector 113 rotate at high speed through the rotor 215 to generate high-speed motion, so that an upper negative pressure cavity and a lower negative pressure cavity are respectively generated around the lower connector 113 and the fan 216, external high-pressure gas is sucked through the first air inlet gap 24 between the outer wall of the tool apron assembly 11 and the inner wall, so as to reduce the temperature in the main machine 2 and prolong the service life of the motor 2. This embodiment is through optimizing inside wind channel structure to reduce the temperature in the host computer 2, prolonged the life of motor, promoted the competitiveness of product.

Example 2

As shown in fig. 13-18, the present embodiment is substantially the same as the technical solution disclosed in embodiment 1, except that the present embodiment is applied to other types of food processing machines (wall breaking machine, meat grinder, etc.), the processing cup assembly 1 is directly inserted into the main machine 2, air is introduced through an air gap between the outer wall of the tool apron assembly 11 and the inner wall of the main machine 2, and then negative pressure is generated by high-speed rotation of the fan 216 disposed at the bottom of the upper connector 112, the lower connector 113 and the motor rotor 215, so that external high-pressure air flows rapidly pass through the cooling air duct 22 disposed therein through the two negative pressure cavities disposed therein and enter the main machine 2, and then heat in the main machine 2 is rapidly discharged out of the main machine 2 along the heat dissipation holes 261 of the base 26, so as to achieve the purpose of reducing the temperature in the main.

This through wind channel structure of direct current is used on broken wall machine, and base louvre 261 air-out structure can set up and put the air-out or base 26 air-out at the back at base 26 both sides air-out, base 26 central point, can set up the air-out position according to host computer 2 outward appearances.

The technical solution protected by the present invention is not limited to the above embodiments, and it should be noted that the technical solution of any one embodiment is combined with the technical solution of one or more other embodiments in the protection scope of the present invention. Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. A food processor with an optimized air duct structure comprises

The motor assembly is arranged in the main machine;

the processing cup assembly is arranged on the host machine, and a stirring piece driven by a motor assembly is arranged in the processing cup assembly;

the air conditioner is characterized in that a cooling air duct is arranged in the host, the cooling air duct comprises a first air inlet and a first air outlet, the first air inlet is close to the output end of the motor assembly, and the first air outlet is far away from the output end of the motor assembly.

2. The food processor of claim 1, wherein the cooling air duct is formed in a straight-through structure from top to bottom along a longitudinal direction of the main body.

3. The food processor with the optimized air duct structure as claimed in claim 2, wherein the first air inlet is disposed at a top wall of the main body.

4. The food processor with the optimized air duct structure as claimed in claim 3, wherein the main body is provided with an extension wall facing the processing cup assembly, a first air inlet gap is formed between an inner wall of the extension wall and an outer wall of the processing cup assembly, and the first air inlet gap is communicated with the first air inlet.

5. The food processor with the optimized air duct structure as claimed in claim 1, wherein the output end of the motor assembly is in transmission connection with the stirring member through a connector, and the connector is arranged corresponding to the first air inlet, so that air flow can be introduced into the first air inlet when the connector is in a rotating state.

6. The food processor with the optimized air duct structure as claimed in claim 2, wherein the processing cup assembly is fixedly mounted on the main frame, and the first air inlet is disposed on a side wall of the main frame.

7. The food processor with the optimized air duct structure as claimed in any one of claims 1 to 6, wherein the main body comprises a housing, the housing is provided with a first through hole for accommodating the output end of the motor assembly, and the first air inlet is formed in the first through hole.

8. The food processor with the optimized air duct structure as claimed in claim 7, wherein a boss is provided in the middle of the housing, the boss forms an air guide groove at the periphery, and a second air inlet gap communicating with the first air inlet is formed between the bottom of the processing cup assembly and the bottom of the air guide groove.

9. The food processor of claim 8, wherein a first rib is disposed around the first through hole and faces the tool holder assembly;

and/or

And the bottom of the air guide groove is provided with an overflow hole communicated to the bottom of the host.

10. The food processor with the optimized air duct structure as claimed in claim 1, wherein the motor assembly is provided with a plurality of second air inlets communicated with the interior of the motor and a second air outlet communicated with the second air inlets, and the second air inlets are further communicated with the first air inlets.

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