CN216702373U - Air duct assembly, motor assembly, machine body assembly and food processor - Google Patents

Abstract

The utility model discloses an air duct assembly, a motor assembly, a machine body assembly and a food processor, wherein the air duct assembly comprises an inner cover body and an outer cover body, the inner cover body is a cylinder with an opening at one end, and the inner cover body is provided with an air duct opening; the inner cover is located to the cover body from the opening cover outside, and the cover body encloses with the inner cover body and closes the holding chamber that forms and be used for holding the motor, forms the wind channel between the inside wall of the cover body and the lateral wall of the inner cover body, wind channel intercommunication holding chamber and wind channel mouth. The motor wind scooper structure is optimized while the heat dissipation of the motor is guaranteed, the outer cover body and the inner cover body are installed in a matched mode to form the containing cavity for containing the motor and isolate high-frequency noise generated by the operation of the motor, and therefore the heat dissipation effect is guaranteed, the sound insulation effect of the motor cover is improved, and the operation quality of the food processor is improved.

Description

Air duct assembly, motor assembly, machine body assembly and food processor

Technical Field

The utility model relates to the technical field of food processors, in particular to an air duct assembly, a motor assembly, a machine body assembly and a food processor.

Background

The food processor is at high-speed operation in-process, is provided power by the motor, and the sound of motor is the important noise source of broken wall machine when the complete machine normally operates, and motor noise frequency is higher usually for the complete machine is relatively poor at the operation listening sensation, seriously influences user's use experience.

The existing motor cover body adopts a mode that the upper end surface is completely opened to intake air, and most of high-frequency noise of a motor is directly radiated to the outside through an upper end opening, so that the noise of the whole motor is larger and the hearing sense is poorer.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an air duct assembly, aiming at reducing the influence of motor noise under the condition of ensuring the heat dissipation of a motor.

The utility model provides an air duct assembly, comprising:

the inner cover body is a cylinder with an opening at one end, and the inner cover body is provided with an air duct opening; and

the outer cover body, the outer cover body certainly the opening cover is located the inner cover is external, the outer cover body with the inner cover body encloses to close and forms the holding chamber that is used for holding the motor, the inside wall of the outer cover body with form the wind channel between the lateral wall of the inner cover body, the wind channel intercommunication the holding chamber with the wind channel mouth.

In an embodiment, a gap is formed between the outer cover body and the end part of the opening of the inner cover body, and the air duct communicates the accommodating cavity and the air duct opening through the gap.

In one embodiment, the range of the distance value H of the gap between the outer cover and the inner cover is: h is more than or equal to 5mm and less than or equal to 8 mm.

In one embodiment, the air duct opening is arranged at the center of the bottom of the inner cover body;

and/or the air duct opening is a circular opening;

and/or the air duct opening is arranged to face the motor;

and/or an air outlet grid is arranged at the air duct opening;

and/or the air duct is arranged around the peripheral surface of the inner cover body;

and/or the outside air enters the accommodating cavity through the air duct and flows out of the accommodating cavity from the air duct opening.

In one embodiment, a plurality of connecting columns for connecting the cup body are convexly arranged on the outer surface of the outer cover body.

In one embodiment, the outer cover body is circumferentially provided with a plurality of first mounting columns, the plurality of first mounting columns extend along the height direction of the outer cover body, one first mounting column is connected with one connecting column, and the end part, away from the connecting column, of the first mounting column is provided with a mounting hole;

and/or a second mounting column is arranged at the end part of the inner cover body, which is far away from the opening.

The utility model further provides a motor assembly, which comprises a motor and an air duct assembly, wherein the air duct assembly is the air duct assembly in any embodiment, the motor is arranged in the accommodating cavity, the outer cover body is provided with a yielding hole, the motor is provided with a rotating shaft, and the rotating shaft penetrates through the opening and the yielding hole.

In one embodiment, the receding hole is in clearance fit with the rotating shaft, and the clearance is 1-2 mm.

The present invention also proposes a body assembly, comprising:

a cup body;

the motor assembly is the motor assembly in any embodiment, a plurality of connecting columns are convexly arranged on the surface, deviating from the inner cover body, of the outer cover body, the cup body is connected with the connecting columns, and an air duct opening is formed in the bottom of the inner cover body; and

and the fan component extracts the gas in the accommodating cavity or blows the gas into the accommodating cavity through the air duct opening.

In one embodiment, the fan assembly comprises:

the volute is internally provided with an air cavity, the air duct opening forms a flanging structure, and the volute is clamped with the flanging structure so that the air cavity is communicated with the accommodating cavity;

the fan is arranged in the air cavity; and

and the air pipe is communicated with the air cavity.

The utility model also provides a food processor, comprising:

the air conditioner comprises a shell, a fan body and a fan, wherein the shell forms an installation space and is provided with an air inlet and an air outlet which are communicated with the installation space; and

the engine body assembly is the engine body assembly in any one of the embodiments, and the engine body assembly is arranged in the installation space.

According to the technical scheme, the outer cover body and the inner cover body are installed in a matched mode to form the containing cavity for containing the motor, the inner bottom surface of the outer cover body forms the upper wall surface of the containing cavity, an air channel is formed between the inner side wall of the outer cover body and the outer side wall of the inner cover body, the inner cover body is provided with an air channel opening, and the air channel is communicated with the containing cavity and the air channel opening. Under the condition of ensuring ventilation and heat dissipation, noise generated by the operation of the motor is isolated by the outer cover body, and the problem of sound leakage of a completely open type above the motor is avoided, so that high-frequency noise is blocked in a transmission way, and the influence of radiation noise of the motor on the outside is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of a food processor according to an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of an embodiment of a housing assembly according to the present invention;

FIG. 3 is a schematic structural diagram of an embodiment of a motor assembly according to the present invention;

FIG. 4 is an enlarged schematic view of one embodiment A of the motor assembly of FIG. 3;

FIG. 5 is a schematic structural diagram of an embodiment of an air duct assembly according to the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Air duct assembly	210	Electric machine
100a	Containing cavity		211					Rotating shaft
				10	Inner cover body	300	Machine body assembly
10a	Air duct opening	310	Cup body
				11	Second mounting post	330	Fan assembly
30	Outer cover body	331	Spiral casing
				30a	Hole of stepping down	333	Fan blower
31	Connecting column	335	Air duct
				33	First mounting post	400	Food processor
200	Motor assembly	410	Shell body

The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indications in the embodiments of the present invention are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an air duct assembly 100, which is applied to a food processor 400, such as a juicer, a wall breaking machine, a blender and the like, so as to reduce the influence of noise of a motor 210 and improve the operation quality when the food processor 400 operates.

Referring to fig. 5, the air duct assembly 100 includes an inner cover 10 and an outer cover 30, the inner cover 10 is a cylinder with an open end, and the inner cover 10 is provided with an air duct opening 10 a; the outer cover 30 is sleeved outside the inner cover 10 from the opening, the outer cover 30 and the inner cover 10 enclose to form a containing cavity 100a for containing the motor 210, an air duct (not shown) is formed between the inner side wall of the outer cover 30 and the outer side wall of the inner cover 10, and the air duct is communicated with the containing cavity 100a and the air duct opening 10 a.

In this embodiment, the opening of the inner cover 10 is substantially in the shape of a waist, the inner cover 10 has a side wall plate enclosing the opening, one end of the side wall plate encloses the opening, the other end of the side wall plate is connected to a bottom plate, the air duct opening 10a is arranged on the bottom plate, and the side wall plate and the bottom plate are an integrated structure. The outer cover 30 is also a cylindrical cover having a substantially waist-circular cross section, and the outer cover 30 has a slightly larger size than the inner cover 10 so that the outer cover 30 can be covered outside the inner cover 10. An air duct communicating the accommodating cavity 100a is formed between the outer cover 30 and the inner cover 10, heat is continuously generated during the operation of the motor 210, external air flows enter the accommodating cavity 100a through the air duct, and hot air flows are discharged out of the accommodating cavity 100a from the air duct opening 10a after heat exchange with the motor 210. Thus, airflow flowing can be formed in the accommodating cavity 100a, so that the air inside and outside the accommodating cavity 100a can be exchanged, at this time, the hot air around the motor 210 is continuously discharged from the air duct opening 10a, and the cold air outside the accommodating cavity 100a is continuously introduced from the air duct to the periphery of the motor 210, so as to cool the motor 210, so that the temperature of the motor 210 is within a normal range, and the normal working state of the motor 210 is ensured. It is understood that in other embodiments of the present application, the external air flow may also enter the accommodating chamber 100a from the air duct opening 10a, and is exhausted from the air duct after exchanging heat with the motor 210, and the beneficial effects thereof are not described again.

Further, the motor 210 can generate continuous high-frequency noise in the operation process, in the conventional food processor 400, the upper end face of the air guide cover of the motor 210 is completely opened, and most of noise is directly radiated to the outside through the opening at the upper end of the air guide cover, so that the food processor 400 has high noise and poor listening feeling. In the embodiment, referring to fig. 3 to 5, the air duct assembly 100 forms an accommodating cavity 100a for accommodating the motor 210, the inner bottom surface of the outer cover 30 forms an upper wall surface of the accommodating cavity 100a, and noise generated by the operation of the motor 210 is isolated by the outer cover 30, so that the problem of sound leakage in a completely open manner above the motor 210 is avoided, high-frequency noise is blocked in a propagation path, and the influence of radiation noise of the motor 210 on the outside is reduced.

Therefore, it can be understood that, in the embodiment, the air guiding cover structure of the motor 210 is optimized while the heat dissipation of the motor 210 is ensured, the outer cover 30 and the inner cover 10 are installed in a matching manner to form the accommodating cavity 100a for accommodating the motor 210, and the high-frequency noise generated by the operation of the motor 210 is isolated, so that the sound insulation effect of the cover of the motor 210 is improved while the heat dissipation effect is ensured, and the operation quality of the food processor 400 is improved.

As shown in fig. 3 and 4, in one embodiment, a gap is formed between the outer cover 30 and the open end of the inner cover 10, and the air duct communicates the accommodating chamber 100a and the duct opening 10a through the gap. The outer cover 30 is installed in the food processor 400 in an inverted manner, the inner cover 10 is covered by the outer cover 30, and the open end of the inner cover 10 faces the inner bottom surface of the outer cover 30. A certain distance is left between the inner bottom surface and the open end of the inner cover 10, and a gap for air flow is formed between the inner bottom surface and the open end. The air flow entering the air duct flows into the accommodating chamber 100a through the gap, so as to cool the motor 210 and circulate the air flow continuously.

In another embodiment of the present application, the end surface of the inner cover 10 facing the outer cover 30 abuts against the inner bottom surface of the outer cover 30, and the open end of the inner cover 10 is provided with a plurality of ventilation holes at intervals in the circumferential direction, and the plurality of ventilation holes communicate with the accommodating cavity 100 a. The shape of the vent hole may be square, circular or elliptical, and is not limited herein. It should be understood that the ventilation holes may be directly formed on the inner cover 10, or a plurality of notches may be formed at the opening end of the inner cover 10, and the plurality of notches and the inner bottom surface of the outer cover 30 cooperate to form the ventilation holes. It is also within the scope of the present application to form a gap between the outer cover 30 and the open end of the inner cover 10.

Referring to fig. 4, in one embodiment, the distance value H of the gap between the outer shroud 30 and the inner shroud 10 ranges from: h is more than or equal to 5mm and less than or equal to 8 mm. If H is greater than 8mm, that is, the gap between the outer cover 30 and the inner cover 10 is greater than 8mm, noise generated by the operation of the motor 210 cannot be effectively isolated, and the noise may still be transmitted out of the food processor 400 through the gap from the air duct to interfere with the hearing of the user; if H is less than 8mm, the space between the outer cover body 30 and the inner cover body 10 is less than 8mm, under this condition, although the air duct assembly 100 can be better isolated from noise, the intake in the accommodating cavity 100a is easy to be caused to be insufficient, and the heat generated by the operation of the motor 210 can not be discharged in time, and in the past, the motor 210 is easy to break down, which affects the use experience of the food processor 400. Therefore, in order to achieve both the heat dissipation performance and the noise reduction performance of the food processor 400, in the present embodiment, the range of the distance value H of the air gap is preferably: h is more than or equal to 5mm and less than or equal to 8 mm.

Referring to fig. 2 to 4, in an embodiment, the air duct opening 10a is disposed at the center of the bottom of the inner cover 10, in this embodiment, the bottom of the inner cover 10 is substantially in a shape of a kidney, and the air duct opening 10a disposed at the center facilitates the arrangement of the internal structure and the installation and alignment of the inner cover 10, and has good structural compatibility;

in one embodiment, the air duct opening 10a is a circular opening;

in one embodiment, the air duct opening 10a is disposed opposite to the motor 210, and heat generated by the operation of the motor 210 can be directly exhausted through the air duct opening 10a, so as to improve the heat dissipation efficiency;

in one embodiment, an air outlet grille is disposed at the air duct opening 10a to guide the air flow;

in one embodiment, the air duct is disposed around the outer peripheral surface of the inner cover 10, and the air flow enters the accommodating cavity 100a through the air duct disposed around the outer peripheral surface of the inner cover 10, or the air flow exits from the accommodating cavity 100a through the air duct, in this case, the gap is also an annular space disposed around the opening end of the inner cover 10.

It will be appreciated that, in the absence of any conflict, the above-described embodiments may be combined and still have at least the advantages which are inherent to the combined embodiments. For example, in another embodiment, the motor 210 is disposed in the center of the accommodating cavity 100a, the air duct opening 10a is disposed in the center of the bottom of the inner cover 10, and the air duct opening 10a faces the motor 210, at this time, the air flow flowing into the accommodating cavity 100a passes through the motor 210 and is directly discharged from the air duct opening 10a disposed below the motor 210, the centers of the rotating shaft 211 of the motor 210 and the air duct opening 10a are on the same axis, the structure is stable and reliable, and the heat dissipation effect is good.

Referring to fig. 2, 3 and 5, a plurality of connection posts 31 for connecting the cup body 310 are protruded from the outer surface of the outer cover 30. In one embodiment, the outer cover 30 is installed in the food processor 400 in an inverted manner, an inner bottom surface of the outer cover 30 forms an upper wall surface of the accommodating cavity 100a, and a connecting column 31 is protruded from an outer bottom surface of the outer cover 30 for connecting the cup body 310. Specifically, in this embodiment, the outer bottom surface of the outer cover 30 is provided with four connecting columns 31, the outer bottom surface of the outer cover 30 is substantially in a shape of a kidney circle, the kidney circle is formed by splicing a rectangle and two semicircles located at two opposite sides of the rectangle, and the four connecting columns 31 are respectively located at four corners of the rectangle. Therefore, the cup body 310 can be stably connected to the outer cover 30, and the structure is simple and reliable.

In other embodiments of the present application, the outer bottom surface of the outer casing 30 may have other effective shapes, and accordingly, four connecting columns 31 are arranged in a matrix form along the circumference of the outer bottom surface to connect the cup body 310.

Referring to fig. 5 again, in an embodiment, the outer cover 30 is circumferentially provided with a plurality of first mounting posts 33, the plurality of first mounting posts 33 extend along the height direction of the outer cover 30, one of the first mounting posts 33 is connected with one of the connecting posts 31, and the end of the first mounting post 33 away from the connecting post 31 is provided with a mounting hole. In this embodiment, the connection post 31 and the first mounting post 33 are integrally connected in a vertical direction, and the first mounting post 33 is partially inserted into the outer peripheral surface of the outer cover 30 and mounted through the mounting hole. So, can install the outer cover body 30 in the casing 410 of cooking machine 400 comparatively conveniently on the one hand, upper and lower integrative structure provides good intensity for cup 310 and supports, makes wind channel subassembly 100 have stable structural style, promotes cooking machine 400's reliability. In addition, the end of the inner cover 10 away from the opening is provided with a second mounting post 11, and the inner cover 10 is mounted in the housing 410 of the food processor 400 through the second mounting post 11.

Based on the above embodiments, the present invention further provides a motor assembly 200, where the motor assembly 200 includes a motor 210 and an air duct assembly 100, and the air duct assembly 100 is the air duct assembly 100 described in any of the above embodiments, and since the motor assembly 200 adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and details are not repeated herein.

Referring to fig. 2 to 5, in an embodiment, the motor 210 is disposed in the accommodating cavity 100a, the outer cover 30 is provided with a yielding hole 30a, the motor 210 is provided with a rotating shaft 211, and the rotating shaft 211 penetrates through the opening and the yielding hole 30 a. In this embodiment, the rotating shaft 211 of the motor 210 sequentially passes through the opening and the receding hole 30a and extends out of the accommodating cavity 100a, so as to be connected with other devices of the food processor 400. The bottom of the outer cover 30 is further provided with a plurality of connecting holes surrounding the abdicating hole 30a, and the motor 210 is connected with the outer cover 30 or the cup body 310 through the connecting holes.

Specifically, in one embodiment, the relief hole 30a is in clearance fit with the rotating shaft 211, and the clearance amount is 1-2 mm. Namely, the width of the gap between the yielding hole 30a and the rotating shaft 211 is 1-2 mm, so as to ensure that the yielding hole 30a and the rotating shaft 211 are compactly matched and have a compact structure. If the gap is too large, on one hand, the stability of the operation of the rotating shaft 211 is affected, and on the other hand, the noise of the motor 210 is easily transmitted from the abdicating hole 30a to the outside, which affects the operation quality of the food processor 400. If the clearance is too small, the operation of the rotating shaft 211 is also affected, so that the preferred clearance in this embodiment is 1-2 mm, which not only ensures the stable operation of the rotating shaft 211 of the motor 210, but also ensures the tightness of the accommodating cavity 100a, and effectively isolates noise. It is understood that, in other embodiments, if the outer casing 30 is provided with a connecting hole, the gap between the connecting hole and the mounting member is also 1-2 mm, and the mounting member may be a mounting post disposed on the motor 210, and the mounting post passes through the connecting hole and is connected to the bottom of the cup 310.

Based on the above embodiment, the present invention further provides a body assembly 300, the body assembly 300 includes a cup body 310 and a motor assembly 200, and the specific structure of the motor assembly 200 refers to the above embodiment, wherein a plurality of connecting columns 31 are convexly disposed on the surface of the outer housing 30 facing away from the inner housing 10, the cup body 310 is connected to the connecting columns 31, and the bottom of the inner housing 10 is provided with an air duct opening 10 a. Since the body assembly 300 adopts all the technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.

In one embodiment, a cutter is disposed in the cup body 310, the shaft 211 of the motor 210 passes through the abdicating hole 30a and is connected with the cutter, and the motor 210 operates to drive the cutter to rotate for food processing. Specifically, as shown in fig. 2, the cup body 310 is circumferentially provided with four mounting lugs, the outer bottom surface of the outer cover 30 is provided with four connecting posts 31, one mounting lug is correspondingly connected to one connecting post 31, and the connecting post 31 and the first mounting post 33 are an integrated structure communicated with each other up and down. That is, the integrated structure of the four first mounting posts 33 and the connecting posts 31 can bear the weight of the cup body 310 and the food in the cup body 310, and the structure is simple and reliable.

Referring to fig. 2 again, further, the body assembly 300 further includes a blower assembly 330, and the blower assembly 330 draws gas from the accommodating chamber 100a or blows gas into the accommodating chamber 100a through the air duct opening 10 a. In this embodiment, the motor assembly 200 is provided with the air duct assembly 100, the air duct assembly 100 includes the inner cover 10 and the outer cover 30, the inner cover 10 is a cylinder with an open end, an air duct opening 10a is opened at the bottom of the inner cover 10, the outer cover 30 is sleeved outside the inner cover 10 from the opening, the outer cover 30 and the inner cover 10 enclose to form an accommodating cavity 100a for accommodating the motor 210, an air duct is formed between the inner side wall of the outer cover 30 and the outer side wall of the inner cover 10, and the air duct communicates the accommodating cavity 100a and the air duct opening 10 a. When the fan assembly 330 operates, the fan 333 sucks the airflow in the accommodating chamber 100a from the air duct opening 10a to form a negative pressure state in the accommodating chamber 100a, and the airflow outside the accommodating chamber 100a is introduced into the accommodating chamber 100a through the air duct, so that airflow can be formed in the accommodating chamber 100a, and the air inside and outside the accommodating chamber 100a can be exchanged.

In an embodiment, the blower assembly 330 includes a volute 331, a blower 333 and an air duct 335, wherein an air chamber is formed in the volute 331, the blower 333 is disposed in the air chamber, the air duct opening 10a forms a flange structure, the volute 331 is clamped to the flange structure to enable the air chamber to communicate with the accommodating chamber 100a, and the air duct 335 communicates with the air chamber. In this embodiment, the volute 331 has an air inlet opening on a side facing the air duct opening 10a, the edge-turned structure is disposed on the outer bottom surface of the inner cover 10 and protrudes a little relative to the outer bottom surface, the edge that encloses the air duct opening 10a is curled and turned over outward in the circumferential direction, and the volute 331 is fastened to the edge-turned structure. A spiral structure convenient for guiding the flow can be arranged in the volute 331, or the shape of the volute 331 can be made into a spiral structure along the wind direction blown out by the fan 333, or the volute 331 can be simply made into a semicircular or semi-elliptical shape, so long as the volute 331 can achieve a good air guiding effect, and the shape is not limited.

The present invention further provides a food processor 400, wherein the food processor 400 includes:

the casing 410, the casing 410 forms the installation space, and has air inlet and air outlet connected to the installation space;

the body assembly 300, the specific structure of the body assembly 300 refers to the above-mentioned embodiments, and the body assembly 300 is disposed in the installation space. Since the food processor 400 adopts all the technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and are not described in detail herein.

Referring to fig. 1 to 5 in conjunction with the embodiment, further described herein, the housing 410 of the food processor 400 of the embodiment is substantially rectangular, an installation space is formed in the housing 410, and the machine body assembly 300 is disposed in the installation space. The discharge hole is extended out of the side wall of the shell 410 for the fluid in the cup body 310 to flow out, the upper end of the shell 410 is provided with the feed inlet, the cup cover is screwed on the feed inlet, the cup cover is opened, and the user can put the food to be cooked into the cup body 310.

Taking the food processor 400 to be horizontally placed as an example, the motor assembly 200 and the cup body 310 are sequentially installed in the installation space from bottom to top, the motor assembly 200 includes the air duct assembly 100 and the motor 210, the air duct assembly 100 forms an accommodating cavity 100a, and the motor 210 is arranged in the accommodating cavity 100 a. The air duct assembly 100 includes an outer cover 30 and an inner cover 10, an air duct communicating with the accommodating chamber 100a is formed between the outer cover 30 and the inner cover 10, and an external air flow enters the installation space from the air inlet, enters the accommodating chamber 100a through the air duct, exchanges heat with the motor 210, is sucked out by the fan 333, and is discharged from the air outlet along with the air duct 335. So, optimize motor 210 wind scooper structure when guaranteeing the heat dissipation of motor 210, adopt the cooperation installation of outer cover body 30 and inner cover body 10 in order to form the holding chamber 100a that holds motor 210 to be used for isolated motor 210 to move produced high frequency noise, thereby realize when guaranteeing the radiating effect, improve the sound insulation effect of motor 210 cover, promote cooking machine 400's operation quality.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (11)

1. An air duct assembly, comprising:

the inner cover body is a cylinder with an opening at one end, and the inner cover body is provided with an air duct opening; and

the outer cover body, the outer cover body certainly the opening cover is located the inner cover is external, the outer cover body with the inner cover body encloses to close and forms the holding chamber that is used for holding the motor, the inside wall of the outer cover body with form the wind channel between the lateral wall of the inner cover body, the wind channel intercommunication the holding chamber with the wind channel mouth.

2. The air duct assembly according to claim 1, wherein a gap is formed between the outer cover and the end of the opening of the inner cover, and the air duct communicates the accommodating chamber and the air duct opening through the gap.

3. The air duct assembly of claim 2, wherein the gap between the outer cover and the inner cover has a distance value H in the range of: h is more than or equal to 5mm and less than or equal to 8 mm.

4. The air duct assembly of claim 1, wherein the air duct opening is disposed at a center of a bottom of the inner cover;

and/or the air duct opening is a circular opening;

and/or the air duct opening is arranged to face the motor;

and/or an air outlet grid is arranged at the air duct opening;

and/or the air duct is arranged around the peripheral surface of the inner cover body;

and/or the outside air enters the accommodating cavity through the air duct and flows out of the accommodating cavity from the air duct opening.

5. The air duct assembly of claim 1, wherein the outer surface of the outer housing has a plurality of attachment posts protruding therefrom for attachment to a cup.

6. The air duct assembly according to claim 5, wherein the outer cover body is circumferentially provided with a plurality of first mounting posts, the plurality of first mounting posts extend along the height direction of the outer cover body, one first mounting post is connected with one connecting post, and the end of the first mounting post, which is far away from the connecting post, is provided with a mounting hole;

and/or a second mounting column is arranged at the end part of the inner cover body, which is far away from the opening.

7. An electric motor component, characterized in that, electric motor component includes motor and wind channel subassembly, the wind channel subassembly be any claim 1 to 6 the wind channel subassembly, the motor is located the holding intracavity, the dustcoat body is equipped with the hole of stepping down, the motor is equipped with the pivot, the pivot passes the opening and the hole setting of stepping down.

8. The motor assembly of claim 7, wherein the relief hole is in clearance fit with the rotating shaft, and the clearance is 1-2 mm.

9. A body assembly, comprising:

a cup body;

the motor assembly is the motor assembly in claim 7 or 8, a plurality of connecting columns are convexly arranged on the surface of the outer cover body, which is far away from the inner cover body, the cup body is connected with the connecting columns, and an air duct opening is formed in the bottom of the inner cover body; and

and the fan component extracts the gas in the accommodating cavity or blows the gas into the accommodating cavity through the air duct opening.

10. The airframe assembly as recited in claim 9, wherein said blower assembly comprises:

the volute is internally provided with an air cavity, the air duct opening forms a flanging structure, and the volute is clamped with the flanging structure so that the air cavity is communicated with the accommodating cavity;

the fan is arranged in the air cavity; and

and the air pipe is communicated with the air cavity.

11. The utility model provides a cooking machine which characterized in that, cooking machine includes:

the air conditioner comprises a shell, a fan body and a fan, wherein the shell forms an installation space and is provided with an air inlet and an air outlet which are communicated with the installation space; and

a body assembly as claimed in claim 9 or 10, the body assembly being provided in the installation space.

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