CN218943094U - Food processor - Google Patents

Abstract

The utility model discloses a food processor, which relates to the field of household appliances, and comprises a main machine and a processing cup assembly arranged on the main machine, wherein the processing cup assembly comprises a cup body and a cup cover assembly which form a processing cavity, the cup cover assembly comprises a cup cover provided with a through hole and a ventilation valve arranged in the through hole, the ventilation valve comprises an installation part extending into the through hole and an elastic piece connected with the installation part, the installation part is in clearance fit with the through hole to form an exhaust channel for communicating the processing cavity with the outside, the elastic piece is provided with an extension part extending downwards to the processing cavity, the outer diameter of the extension part is larger than the inner diameter of the through hole, and the projection of the through hole in the axial direction completely falls into the projection of the extension part in the axial direction.

Description

Food processor

Technical Field

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

Background

With the improvement of the living standard and the acceleration of the living rhythm of people, the food processor is popular with users as a kitchen utensil with high crushing efficiency. During the use of the food processor, the crushing knife rotates at a high speed to crush food materials, the food materials are heated, more steam can be generated in the processing cavity along with the heating, the air pressure in the processing cavity can rise along with the steam, and the existing food processor is provided with an exhaust channel on the cup cover assembly to exhaust the steam, so that the use safety is ensured.

Chinese patent CN202220711176.8 discloses a bowl cover assembly and cooking machine, wherein the bowl cover assembly includes: the cover body is provided with a steam channel which is used for communicating the cooking cavity with the external environment; the flexible piece is established the air inlet department of steam channel, the flexible piece has the exhaust passage, the exhaust passage with the steam passage intercommunication, although can realize breathing freely, but in food processing and self-cleaning process, because thick liquid and the wash water that the crushing sword drove when high-speed rotation can splash towards the exhaust passage, thick liquid and wash water can enter into in the exhaust passage, can lead to on the flexible piece dirty accumulation to cause the condition that the breather valve breeds bacterium, mould, produced the peculiar smell in the exhaust passage for a long time, the dirty jam to the exhaust passage can lead to the unsmooth even unable exhaust of exhaust to cause the abnormal condition of food processing procedure simultaneously. And can produce great noise because of the high-speed rotation of motor and the striking of crushing sword and food etc. in food processing course, these noises can directly outwards propagate through exhaust passage, seriously influence consumer's use experience.

Disclosure of Invention

The utility model aims to provide a food processor, which is used for solving the problems that in the working process of the existing food processor, slurry and the like are easy to splash in an exhaust channel, so that the exhaust channel is easy to be blocked due to excessive dirt accumulation, and noise directly propagates outwards through the exhaust channel to generate larger noise.

In order to achieve the above object, the present utility model provides a food processor, including a main machine and a processing cup assembly mounted on the main machine, wherein the processing cup assembly includes a cup body and a cup cover assembly forming a processing cavity, the cup cover assembly includes a cup cover provided with a through hole and a ventilation valve mounted on the through hole, the ventilation valve includes a mounting portion extending into the through hole and an elastic member connected to the mounting portion, the mounting portion is in clearance fit with the through hole to form an exhaust channel communicating the processing cavity with the outside, the elastic member is provided with an extension portion extending downward to the processing cavity, the outer diameter of the extension portion is larger than the inner diameter of the through hole, and the projection of the through hole in the axial direction falls into the projection of the extension portion in the axial direction.

This application is through setting up the breather valve to including stretching into the installation department of through-hole and connecting in the elastic component of installation department, and installation department and through-hole clearance fit in order to form the exhaust passage with external intercommunication for food processor is at the during operation, and the processing intracavity is because the steam that food material processing produced can outwards be discharged through exhaust passage, avoids the unable discharge processing chamber of steam to lead to the processing intracavity pressure to continuously rise and cause the bowl cover subassembly by the jack-up, the circumstances of food material course of working interrupt guarantees going on smoothly of food material processing.

Meanwhile, the elastic piece is provided with the extension part which extends downwards to the processing cavity, the outer diameter of the extension part is larger than the inner diameter of the through hole, and the projection of the through hole in the axial direction completely falls into the projection of the extension part in the axial direction, so that the through hole is covered and shielded in the axial direction on one hand, in the processing and self-cleaning processes of food materials, the extension part can effectively block the slurry and the cleaning water from the lower part of the extension part because the slurry and the cleaning water driven by the crushing cutter rotate at a high speed can splash towards the through hole, the slurry and the cleaning water are prevented from entering the exhaust channel, the cleanness of the exhaust channel is ensured, the situation that the ventilation valve breeds bacteria, mildews and generates peculiar smell due to excessive dirt accumulation on the ventilation valve caused by the long-term entering the exhaust channel of the slurry and the like is avoided, meanwhile, the situation that the exhaust is unsmooth or even unable to exhaust the food material processing process is abnormal due to the blockage of the exhaust channel is avoided, the exhaust smoothness of the exhaust channel is ensured, the self-disassembling of the ventilation valve by a user is omitted, and the use experience of the user is improved; on the other hand, the noise that produces in the food material course of working can rebound to the process chamber under the block of extension, can effectively prevent that the noise from directly outwards propagating the great condition of noise that leads to through-hole, realize the noise reduction of ventilation valve to when the noise propagates to the extension, the extension can realize certain sound absorbing effect to the noise, realizes inhaling the sound and falls the noise, has further improved the noise reduction effect of ventilation valve.

In a preferred implementation of the food processor, the extension is provided with a hollow and sealed interior chamber having a contracted position to contract upon cooling and an expanded position to expand upon heating to adjust the size of the vent passage.

Through being equipped with inside hollow and sealed seal chamber with extension, and the seal chamber has the shrink position of receiving the cold shrink and the expansion position of thermal expansion for food processor is when carrying out food processing, in the processing intracavity high temperature heating process, the inside gaseous thermal expansion of seal chamber reaches the expansion position, exhaust passage diminishes because the inflation of extension, exhaust efficiency greatly reduced when steam outwards discharges, thereby form the effect of a micropressure in the processing intracavity, not only can shorten the boiling time of food through the micropressure boiling, but also can strengthen the taste of food output simultaneously, user's use experience has been promoted. And the exhaust passage is reduced, so that the ventilation area is reduced, the effect of noise reduction of the small holes is realized, and the noise reduction effect of the elastic piece is further improved.

In a preferred implementation of the food processor, the elastic member further comprises an annular connecting portion connected above the extension portion, the connecting portion being sleeved and connected to the outside of the mounting portion.

Through setting up the elastic component to still including connecting in the annular connecting portion of extension top, the connecting portion cover is established and is connected in the installation department outside, compares in the mode of directly fixing the extension on the installation department, has improved the cooperation area of elastic component and installation department greatly, helps improving the connection cooperation stability of both, avoids after long-time use, and the elastic component is unstable to be connected with the installation department and leads to the elastic component to break away from with the condition that ventilates the valve mutually.

In a preferred implementation of the food processor, the top of the extension portion is provided with an opening adapted to the connection portion so that the mounting portion may extend downwardly through the opening and be secured in abutment with the bottom wall of the seal cavity, and the connection portion is in sealing engagement with the mounting portion.

Through be equipped with the opening with connecting portion adaptation at extension top to make the installation department can pass opening downwardly extending and butt be fixed in sealed chamber diapire, make sealed chamber when thermal expansion to expansion position, because the diapire butt of installation department and sealed chamber is fixed, make the axial dimension of extension unable change, and the gas in the sealed chamber still is in the expansion state, consequently the extension can produce great inflation in radial size, make exhaust passage's size further reduce, thereby further reduce exhaust efficiency, improve the micropressure effect in the processing chamber, further shorten the boiling time of food material, the taste of reinforcing food material output. Simultaneously connecting portion and installation department sealing fit avoid the seal chamber in gas outwards overflow through the gap between connecting portion and the installation department, guarantee the leakproofness of seal chamber, further improve the connection cooperation stability of connecting portion and installation department simultaneously.

In a preferred implementation of the food processor, the mounting portion side wall is provided with an annular groove and the connecting portion is provided with a sealing ring rib in interference fit with the annular groove.

The annular groove is formed in the side wall of the mounting part, and the connecting part is provided with the sealing ring rib in interference fit with the annular groove, so that on one hand, the strength of sealing fit between the connecting part and the mounting part is further improved, the tightness of the sealing cavity is ensured, and the sealing cavity can be switched to an expansion position more sensitively when being heated; on the other hand, by means of abutting fit of the annular groove and the sealing ring rib, connection stability of the connecting part and the sealing part in the axial direction is improved, and connection reliability of the elastic piece and the ventilation valve is further improved.

In a preferred implementation of the food processor, the mounting portion is hollow and forms an expansion chamber, and the mounting portion is further provided with ventilation holes communicating the sealing chamber with the expansion chamber.

Through setting up the installation department into inside cavity in order to form the inflation chamber for the demolding material of installation department can reduce, helps reducing manufacturing cost, can also reduce the weight of ventilation valve simultaneously, and then lighten the weight of whole bowl cover subassembly, makes the user laborsaving convenience more when taking the bowl cover subassembly. Simultaneously the installation department still is equipped with the bleeder vent of intercommunication sealed chamber and inflation chamber for sealed chamber and inflation intracavity gaseous intercommunication, thereby enlarged sealed intracavity gas greatly, when making the elastic component be heated, not only sealed intracavity gas can be heated the inflation, inflation intracavity gas also can be heated the inflation together, thereby make the expansion process of extension more quick sensitively and can further reduce exhaust passage's size, thereby further reduce exhaust efficiency, improve the micropressure effect in the processing chamber, further shorten the boiling time of food material, the taste of reinforcing food material output.

In a preferred implementation of the food processor, the bottom of the mounting portion is provided with an upwardly concave limit groove, and the bottom wall of the sealing cavity is provided with a limit protrusion in limit fit with the limit groove.

Through being equipped with the spacing groove of undercut in the installation department bottom, the diapire of seal chamber is equipped with the spacing arch of spacing complex with the spacing groove, improves the connection cooperation stability of installation department and seal chamber diapire, guarantees the butt fixed action of installation department to seal chamber diapire, avoids seal chamber diapire downwardly moving when thermal expansion.

In a preferred implementation of the food processor, the width H of the vent passage when the seal chamber is in the expanded position satisfies: h is more than or equal to 0.1mm and less than or equal to 3mm.

By setting the seal cavity in the expanded position, the width H of the exhaust passage is set to satisfy: h is more than or equal to 0.1mm and less than or equal to 3mm, and the situation that when the sealing cavity is positioned at the expansion position, steam in the processing cavity cannot be smoothly discharged outwards due to the fact that the pressure in the processing cavity continuously rises to cause the jacking of the cup cover component and the processing process of food materials is interrupted is avoided; and meanwhile, when the sealing cavity is positioned at the expansion position, the condition that the micro pressure cannot be formed in the processing cavity due to the fact that the steam is discharged outwards due to the fact that the width of the exhaust channel is too large is avoided.

In a preferred implementation of the food processor, a downward extending flow guide is further provided at the lower end of the through hole, so that the liquid at the lower end of the through hole flows downward under the flow guide effect of the flow guide when flowing toward the through hole.

Through still be equipped with downwardly extending's water conservancy diversion portion in the lower port department of through-hole for food processor is when high-speed stirring and washing, because the rotational speed of crushing sword is very fast, so the centrifugal force that the thick liquid that drives and washing water produced is great, and thick liquid and washing water flow downwards under the water conservancy diversion effect of water conservancy diversion portion when flowing to through-hole port department, avoid thick liquid and washing water directly entering into in the through-hole, further promoted the splashproof effect, guaranteed the clean and tidy nature in the passageway.

In a preferred implementation of the food processor, the ventilation valve is detachably connected with the cup cover, and the bottom end of the air guiding part is provided with an upward concave ventilation groove.

The bottom through water conservancy diversion portion is equipped with the ventilative groove of undercut, makes it can play certain vortex effect to the thick liquid that flows and wash water, makes thick liquid and washing liquid more difficult to enter into in the exhaust passage, and when ventilative stopper outwards pulls out the bowl cover simultaneously, ventilative groove can play ventilative effect, prevents to appear completely sealed state in the through-hole to lead to pressure vessel to appear causing the condition that ventilative valve can not pull out, guarantee that ventilative valve can dismantle smoothly.

Drawings

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

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

FIG. 2 is a cross-sectional view of a cup and lid assembly according to one embodiment of the utility model;

fig. 3 is an enlarged view of a portion a in fig. 2;

FIG. 4 is an exploded view of a cup and lid assembly according to one embodiment of the utility model;

FIG. 5 is a partial cross-sectional view of a food processor in accordance with one embodiment of the present utility model at high rotational speeds;

FIG. 6 is a partial cross-sectional view of a baffle portion in a contracted position according to one embodiment of the present utility model;

FIG. 7 is a partial cross-sectional view of a baffle portion in an expanded position in accordance with one embodiment of the present utility model;

FIG. 8 is a partial cross-sectional view of a food processor in accordance with one embodiment of the present utility model at high rotational speeds;

FIG. 9 is a cross-sectional view of a cup and lid assembly according to another embodiment of the utility model.

Reference numerals illustrate:

1-a host; 2-a cup body and 21-a processing cavity; 3-cup cover, 31-through hole, 32-exhaust channel, 33-sealing cavity, 331-limit projection, 34-guide part, 341-arc surface and 342-ventilation groove; 4-ventilation valve, 41-mounting part, 411-annular groove, 412-expansion chamber, 413-ventilation hole; 5-elastic piece, 51-extension, 52-connection, 521-sealing ring rib.

Detailed Description

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

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

As shown in fig. 1, 2 and 3, the present utility model provides a food processing machine, comprising a main machine 1 and a processing cup assembly mounted on the main machine 1, wherein the processing cup assembly comprises a cup body 2 and a cup cover assembly which form a processing cavity 21, the cup cover assembly comprises a cup cover 3 provided with a through hole 31 and an air permeable valve 4 mounted on the through hole 31, the air permeable valve 4 comprises a mounting part 41 extending into the through hole 31 and an elastic piece 5 connected with the mounting part 41, the mounting part 41 and the through hole 31 are in clearance fit to form an exhaust channel 32 which communicates the processing cavity 21 with the outside, the elastic piece 5 is provided with an extension part 51 which extends downwards to the processing cavity 21, the outer diameter of the extension part 51 is larger than the inner diameter of the through hole 31, and the projection of the through hole 31 in the axial direction is all the projection of the extension part 51 in the axial direction.

This application is through setting up the breather valve 4 to including stretching into the installation department 41 of through-hole 31 and connecting in the elastic component 5 of installation department 41, and installation department 41 and through-hole 31 clearance fit in order to form the exhaust passage 32 with external intercommunication for the food processor is at the during operation, because the steam that food material processing produced can outwards be discharged through exhaust passage 32 in the processing chamber 21, avoid the unable discharge processing chamber 21 of steam to lead to the processing chamber 21 internal pressure to last rising and cause the bowl cover subassembly to be jacked, the circumstances of food material course of working interrupt guarantees going on smoothly of food material processing.

Meanwhile, the elastic piece 5 is provided with the extension part 51 which extends downwards to the processing cavity 21, the outer diameter of the extension part 51 is larger than the inner diameter of the through hole 31, and the projection of the through hole 31 in the axial direction completely falls into the projection of the extension part 51 in the axial direction, on one hand, the extension part 51 realizes the omnibearing coverage shielding of the through hole 31 in the axial direction, so that in the processing and self-cleaning processes of food materials, as shown by arrows in fig. 5, the path of slurry and cleaning water is shown, the dotted line path is a flow path of steam and noise, the slurry and the cleaning water driven by the crushing cutter during high-speed rotation can splash towards the through hole 31, the extension part 51 can effectively block the slurry and the cleaning water from the lower part of the extension part 51, the slurry and the cleaning water can be prevented from entering into the exhaust channel 32, the clean inside of the exhaust channel 32 is ensured, the situation that the air permeable valve 4 is caused by excessive dirt on the air permeable valve 4 due to the long-term entering into the exhaust channel 32 is avoided, the situation that the air permeable valve 4 is caused by the bacteria, the mold and the peculiar smell is generated is avoided, the situation that the exhaust channel 32 is not smooth and even can not be exhausted due to the blockage in the process of the food materials is caused in the process of self-cleaning is avoided, the smoothness of the exhaust channel 32 is ensured, the air discharging smoothness of the exhaust channel is ensured, and the user can be saved, and the user can detach the air cap 3 is used for cleaning the cup cover 3; on the other hand, the noise that produces in the food material course of working can rebound to the processing chamber 21 under the blocking of extension 51, can effectively prevent that the noise from directly outwards propagating through hole 31 and leading to the great condition of noise, realize the noise reduction of ventilation valve 4 to when the noise propagates to extension 51, extension 51 can realize certain sound absorbing effect to the noise, realizes inhaling the sound and falls the noise, has further improved the noise reduction effect of ventilation valve 4.

The structure of the extension portion 51 is not particularly limited, and as a preferable aspect of the present application, the extension portion 51 includes a fixed section fixed to the mounting portion 41 and an expanded section located in the processing chamber 21 and connected to the fixed section, the outer diameter of the fixed section is uniform from top to bottom, the expanded section is disc-shaped with an outer diameter larger than the inner diameter of the through hole, and a gap for communicating the exhaust passage 32 with the processing chamber 21 is formed at the top wall of the expanded section and the port of the through hole.

Meanwhile, the internal configuration of the extension 51 is not particularly limited in this application, and may be any of the following embodiments:

example 1: as shown in fig. 9, in this embodiment, the extension portion 51 is solid, and by providing the extension portion 51 in a solid processing manner, on one hand, the processing steps of the extension portion 51 can be simplified, the mold structure for producing the elastic member 5 can be simplified, which is helpful for improving the production efficiency and reducing the production cost; on the other hand, the condition that the slurry and the cleaning water enter the extension part 51 to cause residual dirt in the extension part 51 can be avoided, and the neatness of the elastic piece 5 is ensured.

Example 2: as shown in fig. 6 and 7, in this embodiment, the extension 51 is provided with a hollow and sealed inside cavity 33, and the cavity 33 has a contracted position contracted by cold and an expanded position expanded by heat to adjust the size of the exhaust passage 32.

Through be equipped with inside cavity and sealed seal chamber 33 with extension 51, and seal chamber 33 has the shrink position of receiving cold shrink and the expansion position of thermal expansion for food processor is when carrying out food processing, in the processing intracavity 21 high temperature heating in-process, as shown in fig. 7, the inside gaseous thermal expansion of seal chamber 33 reaches the expansion position, exhaust passage 32 diminishes because the expansion of extension 51, exhaust efficiency greatly reduced when steam outwards discharges, thereby form the effect of a micropressure in processing chamber 21, not only can shorten the boiling time of food through the micropressure boiling, but also can strengthen the taste of food output, user's use experience has been promoted. And the exhaust passage 32 is reduced, so that the ventilation area is reduced, the effect of noise reduction of the small holes is realized, and the noise reduction effect of the elastic piece 5 is further improved.

It should be further noted that, in this embodiment, how the elastic member 5 is connected to the mounting portion 41 is not particularly limited, and as a preferred embodiment of this application, as shown in fig. 3, the elastic member 5 further includes an annular connecting portion 52 connected to the upper portion of the extending portion 51, and the connecting portion 52 is sleeved and connected to the outer side of the mounting portion 41.

Through setting up elastic component 5 to still including connecting in the annular connecting portion 52 of extension 51 top, connecting portion 52 cover is established and is connected in the installation department 41 outside, compares in the mode of directly fixing extension 51 on installation department 41, has improved the cooperation area of elastic component 5 and installation department 41 greatly, helps improving the connection cooperation stability of both, avoids long-time after the use, and elastic component 5 is unstable with the installation department 41 connection and leads to elastic component 5 and breather valve 4 to break away from the condition mutually.

Further, as shown in fig. 3, an opening adapted to the connection portion 52 is provided at the top of the extension portion 51, so that the mounting portion 41 may extend downward through the opening and be abutted and fixed to the bottom wall of the sealing cavity 33, and the connection portion 52 is in sealing engagement with the mounting portion 41.

Through being equipped with the opening with connecting portion 52 adaptation at extension 51 top to make installation department 41 can pass the opening downwardly extending and the butt is fixed in sealed chamber 33 diapire, make sealed chamber 33 when the thermal expansion reaches the expansion position, because installation department 41 and sealed chamber 33 diapire butt are fixed, make the axial dimension of extension 51 unable change, and the gas in the sealed chamber 33 still is in the expansion state, consequently extension 51 can produce great inflation in radial size, make the size of exhaust passage 32 further reduce, thereby further reduce exhaust efficiency, improve the micropressure effect in the processing chamber 21, further shorten the boiling time of food material, the taste of reinforcing food output. Simultaneously, the connecting part 52 is in sealing fit with the mounting part 41, so that gas in the sealing cavity 33 is prevented from overflowing outwards through a gap between the connecting part 52 and the mounting part 41, the tightness of the sealing cavity 33 is ensured, and meanwhile, the connection fit stability of the connecting part 52 and the mounting part 41 is further improved.

Further, as shown in fig. 3, the side wall of the mounting portion 41 is provided with an annular groove 411, and the connecting portion 52 is provided with a sealing ring rib 521 in interference fit with the annular groove 411.

By arranging the annular groove 411 on the side wall of the mounting part 41 and arranging the sealing ring rib 521 in interference fit with the annular groove 411 on the connecting part 52, on one hand, the strength of sealing fit between the connecting part 52 and the mounting part 41 is further improved, the tightness of the sealing cavity 33 is ensured, and the sealing cavity 33 can be switched to an expansion position more sensitively when being heated; on the other hand, by the abutting engagement of the annular groove 411 and the seal ring rib 521, the connection stability of the connection portion 52 and the seal portion in the axial direction is improved, and the connection reliability of the elastic member 5 and the breather valve 4 is further improved.

As a preferable example of this embodiment, as shown in fig. 3, the installation part 41 is hollow to form an expansion chamber 412, and the installation part 41 is further provided with a ventilation hole 413 communicating the seal chamber 33 with the expansion chamber 412.

Through setting up installation department 41 as inside cavity in order to form inflation chamber 412 for the demolding material of installation department 41 obtains reducing, helps reducing manufacturing cost, can also reduce the weight of ventilation valve 4 simultaneously, and then lighten the weight of whole bowl cover subassembly, makes the user more laborsaving convenience when taking the bowl cover subassembly. Meanwhile, the mounting part 41 is further provided with the air holes 413 for communicating the sealing cavity 33 and the expansion cavity 412, so that the sealing cavity 33 is communicated with the air in the expansion cavity 412, the air in the sealing cavity 33 is greatly expanded, when the elastic piece 5 is heated, the air in the sealing cavity 33 is heated and expanded, and the air in the expansion cavity 412 is also heated and expanded together, so that the expansion process of the extension part 51 is more rapid and sensitive, the size of the air exhaust channel 32 can be further reduced, the air exhaust efficiency is further reduced, the micropressure effect in the processing cavity 21 is improved, the boiling time of food materials is further shortened, and the taste of the food material output is enhanced.

As a preferable example of this embodiment, as shown in fig. 3, the bottom of the mounting portion 41 is provided with an upward concave limit groove, and the bottom wall of the seal cavity 33 is provided with a limit protrusion 331 in limit fit with the limit groove.

Through being equipped with the spacing groove of undercut in installation department 41 bottom, the diapire of seal chamber 33 is equipped with spacing groove spacing complex spacing protruding 331, improves the connection cooperation stability of installation department 41 and seal chamber 33 diapire, guarantees the butt fixed action of installation department 41 to seal chamber 33 diapire, avoids seal chamber 33 when thermal expansion seal chamber 33 diapire downwardly moving.

In this embodiment, the width of the exhaust passage 32 is not specifically limited when the seal chamber 33 is located at the expansion position, and as a preferable example of this embodiment, as shown in fig. 7, the width H of the exhaust passage 32 when the seal chamber 33 is located at the expansion position satisfies: h is more than or equal to 0.1mm and less than or equal to 3mm.

By setting the seal chamber 33 in the expanded position, the width H of the exhaust passage 32 is set to satisfy: h is more than or equal to 0.1mm and less than or equal to 3mm, and the situation that when the sealing cavity 33 is positioned at the expansion position, steam in the processing cavity 21 cannot be discharged outwards smoothly due to the fact that the pressure in the processing cavity 21 continuously rises to cause the jacking of the cup cover component and the processing process of food materials is interrupted is avoided; and meanwhile, when the sealing cavity 33 is positioned at the expansion position, the situation that the micro pressure cannot be formed in the processing cavity 21 due to the fact that the steam is discharged outwards due to the fact that the width of the exhaust channel 32 is too large is avoided.

As a preferred embodiment of the present application, as shown in fig. 3, 4 and 8, a downward extending diversion portion 34 is further provided at the lower port of the through hole 31, so that the liquid at the lower port of the through hole 31 flows downward under the diversion effect of the diversion portion 34 when flowing toward the through hole 31.

Through still be equipped with downwardly extending's water conservancy diversion portion 34 in the lower port department of through-hole 31 for food processor is when high-speed stirring and washing, owing to smash the rotational speed of sword very fast, so driven thick liquid and washing water produce great centrifugal force, and thick liquid and washing water flow downwards under the water conservancy diversion effect of water conservancy diversion portion 34 when flowing to through-hole 31 port department, avoid thick liquid and washing water directly entering into in the through-hole 31, further promoted the splashproof effect, guaranteed the clean and tidy nature in the passageway.

Further, as shown in fig. 4 and 8, the ventilation valve 4 is detachably connected to the cup cover 3, and an upwardly concave ventilation groove 342 is formed at the bottom end of the deflector 34.

The bottom end of the flow guide part 34 is provided with the upwards concave ventilation groove 342, so that the flow guide part can play a certain turbulence role on flowing slurry and cleaning water, the slurry and the cleaning liquid are more difficult to enter the exhaust channel 32, and meanwhile, when the cup cover 3 is pulled out of the ventilation plug outwards, the ventilation groove 342 can play a ventilation role, the occurrence of a completely sealed state in the through hole 31 is prevented, and therefore, the situation that the ventilation valve 4 cannot be pulled out due to the occurrence of a pressure container is caused, and the ventilation valve 4 is ensured to be smoothly detached.

It should be noted that, in the present application, the structure of the flow guiding portion 34 is not specifically limited, and as a preferred embodiment of the present application, as shown in fig. 8, the flow guiding portion 34 is an annular flow guiding rib extending downward from a lower port of the through hole 31, and an arc surface 341 protruding toward the through hole 31 is disposed on an outer wall of the annular flow guiding rib.

Through setting up the water conservancy diversion portion 34 as the annular water conservancy diversion muscle that extends downwards from the lower port of through-hole 31, and the outer wall of annular water conservancy diversion muscle is equipped with towards the convex arcwall face 341 of through-hole 31 direction for high-speed thick liquid and the washing water that flows downwards after the arcwall face 341 and after breaking away from arcwall face 341, as shown in the broken line route in fig. 8, form the annular water curtain around annular water conservancy diversion muscle round in the below of annular water conservancy diversion muscle, thereby isolated the inside and outside air of annular water curtain, make the noise outside the annular water curtain unable entering annular water curtain inside, namely: cannot enter the through holes 31, so that an annular water curtain noise reduction effect is formed, and the noise reduction capability of the whole machine is further improved.

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

Claims (10)

1. The utility model provides a food processor, includes the host computer and installs in the processing cup subassembly of host computer, processing cup subassembly is including cup and the bowl cover subassembly that forms the processing chamber, the bowl cover subassembly including be equipped with the bowl cover of through-hole with install in the breather valve of through-hole, its characterized in that, breather valve including stretch into the installation department of through-hole and connect in the elastic component of installation department, installation department with through-hole clearance fit is in order to form the intercommunication processing chamber and external exhaust passage, the elastic component is equipped with downwardly extending to the extension in processing chamber, the extension external diameter is greater than the through-hole internal diameter, just the through-hole in the whole whereabouts of axial projection of extension in axial.

2. A food processor according to claim 1, wherein the extension is provided with a hollow and sealed interior chamber having a contracted position to contract on cooling and an expanded position to expand on heating to adjust the size of the vent passage.

3. The food processor of claim 2, wherein the resilient member further comprises an annular connecting portion connected above the extension portion, the connecting portion being configured to engage and connect outside the mounting portion.

4. A food processor according to claim 3, wherein the top of the extension portion is provided with an opening adapted to the attachment portion such that the attachment portion extends downwardly through the opening and is secured in abutment with the bottom wall of the sealed cavity, and the attachment portion is in sealing engagement with the attachment portion.

5. The food processor of claim 4, wherein the mounting portion side wall is provided with an annular groove, and the connecting portion is provided with a sealing bead in interference fit with the annular groove.

6. The food processor of claim 4, wherein the mounting portion is hollow to form an expansion chamber, and wherein the mounting portion is further provided with vent holes communicating the sealed chamber with the expansion chamber.

7. The food processor of claim 4, wherein the bottom of the mounting portion is provided with an upwardly concave limit groove, and the bottom wall of the sealing cavity is provided with a limit protrusion in limit fit with the limit groove.

8. A food processor according to claim 2, wherein the width H of the vent passage when the seal chamber is in the expanded position satisfies: h is more than or equal to 0.1mm and less than or equal to 3mm.

9. A food processor according to claim 1, wherein the lower end of the through-hole is further provided with a downwardly extending flow guide portion, so that the liquid at the lower end of the through-hole flows downward under the flow guide of the flow guide portion when flowing toward the through-hole.

10. The food processor of claim 9, wherein the ventilation valve is detachably connected to the cup cover, and the bottom end of the guide portion is provided with an upward concave ventilation groove.

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