CN212912979U - Low-noise food processor - Google Patents

Abstract

The utility model provides a low-noise food processing machine, which comprises a stirring cup and a motor, wherein the stirring cup comprises a cup body and a cup cover, the cup cover and the cup body are enclosed to form a crushing cavity, a feeding channel is arranged on the cup cover, a feeding cover is arranged in the feeding channel, the inner cavity of the feeding cover is of a hollow structure, the feeding cover is provided with an air inlet and an air outlet, the air inlet is arranged at the bottom of the feeding cover, a sealing structure is arranged on the periphery of the feeding cover, thus, the sealing is formed between the periphery of the feeding cover and the feeding channel through the sealing structure, gas can only enter the inner cavity through the air inlet and is discharged through the air outlet, the noise can only enter the inner cavity through the air inlet when being discharged, and then the noise is transmitted through the air outlet, thus, the noise can be blocked by a layer when being transmitted, the noise is greatly reduced after being offset through energy release and reflection in the inner cavity, thereby reducing the noise discharged from the air outlet and greatly improving the noise reduction effect.

Description

Low-noise food processor

Technical Field

The utility model relates to a food preparation machine field especially relates to a food preparation machine of low noise.

Background

Food preparation machine has crushing and heating function usually, avoid the atmospheric pressure in the stirring cup too big, set up the gas vent on the bowl cover of stirring cup usually and reduce the atmospheric pressure in the stirring cup, and simultaneously, throw the material midway in order to realize, still set up on the bowl cover and throw the material passageway and insert and locate the material lid of throwing in the material passageway, at the slurrying in-process like this, the noise that produces when smashing the edible material of the crushing sword in the stirring cup spreads from the gas vent or throw the material lid and throw the fit clearance between the material passageway and spread easily, this noise can be very big, the close-range test has 100 decibels, influence consumer and experience.

The prior art has one kind and covers to set up the spiral through throwing the material and fall the structure of making an uproar and realize falling the noise, but its noise reduction effect is not obvious, still influences consumer experience greatly, has reduced the use satisfaction of product.

Disclosure of Invention

An object of the utility model is to provide a food preparation machine of low noise.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a food preparation machine of low noise, is equipped with by motor drive's crushing sword including stirring cup and motor in the stirring cup, and the stirring cup includes that cup and lid fit the bowl cover of cup top, and the bowl cover surrounds with the cup and forms crushing chamber, is equipped with on the bowl cover and throws the material passageway, throws and is equipped with in the material passageway and throw the material lid, wherein, the inner chamber of throwing the material lid is hollow structure, throws the material lid and is equipped with the intercommunication the inlet port and the intercommunication in inner chamber and crushing chamber the bottom of material lid is located to the inlet port, throws to be equipped with in the periphery of material lid and throw the sealed complex seal structure of material passageway seal fit, is equipped with on the seal structure and throws the material passageway cooperation in order to throw material lid.

Furthermore, seal structure is including the soft gum cover that the cover was located to throw and is covered, and location structure is protruding including the location of locating the soft gum cover lower extreme, throws the material lid and installs the back location of targetting in place and contradict in the bottom of throwing the material passageway in order to throw the material lid axial spacing.

Furthermore, the positioning bulges are provided with a plurality of positioning bulges and are arranged at intervals along the circumferential direction of the soft rubber sleeve.

Furthermore, the outer side wall of the soft rubber sleeve is provided with a sealing ring rib which is in sealing fit with the inner side wall of the feeding channel, and the sealing ring rib is positioned above the positioning protrusion.

Furthermore, the sealing ring rib comprises a first sealing ring rib and a second sealing ring rib, the first sealing ring rib and the second sealing ring rib are arranged at an upper and lower interval, and the second sealing ring rib is located above the first sealing ring rib.

Furthermore, the top of the inner cavity extends outwards to form a diffusion cavity, an air outlet hole is communicated with the diffusion cavity, and the air outlet hole is formed in the bottom of the diffusion cavity; alternatively, the gas outlet is located at the top edge of the diffusion chamber.

Furthermore, the feeding cover comprises an inserting portion inserted into the feeding channel and a holding portion located above the feeding channel, an inner cavity is formed inside the inserting portion, a diffusion cavity is formed inside the holding portion, and the periphery of the inserting portion is sleeved with a sealing structure and forms sealing fit with the feeding channel.

Furthermore, the feeding cover comprises an insertion part inserted into the feeding channel, the insertion part comprises a bottom wall and a side wall, and the air inlet hole is formed at the joint close to the bottom wall and the side wall.

Furthermore, the feeding cover comprises a lower cover and a top cover, the top cover is sleeved outside the lower cover, and the top cover and the lower cover are detachably fixed.

Furthermore, the outer side wall of the upper end of the lower cover is provided with a rotary buckle, and the inner side wall of the top cover is provided with a convex rib matched with the rotary buckle; or, the outer side wall of the upper end of the lower cover is provided with a convex rib, and the inner side wall of the top cover is provided with a rotary buckle matched with the convex rib.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. in the utility model, the inner cavity of the feeding cover is set to be a hollow structure, the feeding cover is provided with an air inlet hole for communicating the inner cavity with the crushing cavity and an air outlet hole for communicating the inner cavity with the outside, the air inlet hole is arranged at the bottom of the feeding cover, the periphery of the feeding cover forms a seal with the feeding channel through the sealing structure, so that the air flow can only enter the inner cavity through the air inlet hole and then be discharged through the air outlet hole, the noise can only enter the inner cavity through the air inlet hole when being discharged and then be transmitted out through the air outlet hole, the noise can be blocked by the layer when being transmitted out, the noise is greatly reduced after being offset through energy release and reflection in the inner cavity, the noise discharged from the air outlet hole is reduced, the noise reduction effect is greatly improved, and the sealing structure can also well play a role of blocking the noise, the noise of food preparation machine is further reduced, still sets up location structure on seal structure to it is spacing to throw the material lid axial, prevents to throw the material lid and is pushed open by the air current, in order to guarantee seal structure and throw the leakproofness between the material passageway, thereby guarantees food preparation machine's noise reduction effect, and then has promoted the user and used experience and use the satisfaction.

2. The sealing structure specifically comprises a soft rubber sleeve, the positioning structure specifically comprises a positioning bulge, the positioning bulge is abutted to the bottom of the feeding channel to axially limit the feeding cover, so that sealing can be well realized, the sealing performance between the feeding cover and the feeding channel is ensured, air flow and noise can only enter from an air inlet hole, the noise reduction effect and the exhaust effect are ensured, and meanwhile, the positioning bulge and the soft rubber sleeve are of an integrated structure, so that the structure is simple, the processing and forming are convenient, the feeding cover can be axially limited, and the axial fixing reliability and stability of the feeding cover during the working of a food processing machine are ensured; meanwhile, after the feeding cover is assembled in place, obvious installation hand feeling can be achieved between the positioning protrusion and the feeding channel so as to prompt a user to install in place.

3. And will fix a position protruding setting a plurality of and set up along flexible glue cover circumferencial direction interval, increased and thrown the spacing limit point of material lid axial for throw the material lid everywhere the homoenergetic by the axial spacing fixed, thereby strengthen the axial spacing of throwing the material lid, promote and throw the spacing reliability of material lid axial, in order to guarantee food preparation machine during operation, throw the material lid and can not lead to axial direction to produce because of the pressure of air current not hard up.

4. The sealing ring rib is arranged on the outer side wall of the soft rubber sleeve to enhance the sealing performance between the soft rubber sleeve and the feeding channel, and the sealing ring rib is positioned above the positioning bulge, so that the matching between the positioning bulge and the bottom of the feeding channel is not influenced, the axial limiting effect of the feeding cover is ensured, and the sealing effect between the soft rubber sleeve and the feeding channel is also ensured; meanwhile, due to good sealing performance, no slurry or only a little slurry flows into the space between the feeding cover and the feeding channel, so that the feeding cover and the feeding channel can be cleaned conveniently.

5. The sealing ring rib is arranged to comprise a first sealing ring rib and a second sealing ring rib, and the first sealing ring rib and the second sealing ring rib are arranged at intervals from top to bottom, so that the sealing ring rib forms a double sealing effect, and the sealing performance between the soft rubber sleeve and the feeding channel is further enhanced.

6. The top of the inner cavity extends outwards to form a diffusion cavity, the diffusion cavity with the inner diameter changing suddenly is arranged, sound energy in air flow is further released, the noise reduction and silencing effects are improved, the sound energy is transmitted back and forth in the diffusion cavity and the inner cavity, the sound energy interferes and weakens, the noise reduction effect is improved, meanwhile, the air outlet hole is communicated with the diffusion cavity, the air outlet hole is formed in the bottom of the diffusion cavity, the air flow can be discharged from the holding part and the cup cover along the air outlet hole, noise is difficult to discharge from the air outlet hole quickly, the air outlet hole is formed in the position, the noise can be discharged after being refracted for multiple times, the sound energy is greatly reduced, and the noise reduction effect of the feeding cover is improved; or, the air outlet is arranged at the edge of the top of the diffusion cavity, particularly at the outer side of the insertion part, namely at the periphery of the horizontal projection of the insertion part, so that the staggered arrangement of the air inlet and the air outlet is realized, and the noise is prevented from being rapidly transmitted out through the air outlet.

7. Throw the material lid utensil and include insertion portion and portion of gripping, the inside inner chamber that forms of insertion portion, be about to the inner chamber and establish in the insertion portion, and the inner chamber inserts inside the bowl cover, the noise in the inner chamber is through the multilayer separation, reduce the noise of outside propagation, and the relative insertion portion of gripping outwards extends in order to form the diffusion chamber, the equivalent internal diameter of portion of gripping is greater than the equivalent internal diameter of insertion portion promptly, be convenient for throw the material lid in the location of bowl cover and get and put, simultaneously, locate the periphery of insertion portion and with throw material passageway formation sealing fit with the seal structure cover, make things convenient for the assembly of seal structure like this, be convenient for simultaneously again throw the material lid and throw and form sealedly between the material passageway, can not run out from throwing the material lid and throwing the fit clearance between the material passageway with guaranteeing air current and noise.

8. Throw the material lid including inserting throw the portion of inserting in the material passageway, the portion of inserting includes diapire and lateral wall, the inlet port is located the junction of being close to diapire and lateral wall, the air current is difficult to form the bubble in inlet port department, the bubble is the multiaspect contact with the contact department of inner chamber, make bubble surface tension direction different, therefore the bubble is difficult to form, break the bubble promptly more easily, it is more smooth and easy to exhaust simultaneously, better keep the air pressure difference between inner chamber and the crushing chamber, be favorable to breaking the bubble, of course, the inlet port also can be established at the diapire of portion of inserting, especially center department, be convenient for keep the atmospheric pressure balance of crushing intracavity, and be favorable to the air current to discharge.

9. The feeding cover comprises a lower cover and a top cover, the top cover is sleeved outside the lower cover, and the top cover and the lower cover are detachably fixed, so that the feeding cover is convenient to assemble and disassemble, and is convenient to clean the inside of the feeding cover simultaneously, the sanitation inside the feeding cover is guaranteed, and bacteria and odor are prevented from breeding inside the feeding cover.

10. Through setting up turn-buckle and protruding muscle to realize dismantling fixedly between top cap and the lower cover, this kind can dismantle fixed mode not only simple reliable, and dismantle the convenience, of course, also can adopt screw thread or other structures to realize dismantling fixedly, so also can be fine realize dismantling fixedly between top cap and the lower cover, so wash the inside of throwing the material lid in order to make things convenient for, in order to guarantee to throw the inside health nature of material lid.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

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

Fig. 2 is a cross-sectional view of a blending cup according to an embodiment of the present invention.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is a cross-sectional view of a feeding lid of a food processor according to an embodiment of the present invention.

Fig. 5 is an enlarged view of B in fig. 4.

Fig. 6 is an exploded view of a feeding cover of a food processor according to an embodiment of the present invention.

Fig. 7 is another exploded view of a feeding lid of a food processor according to an embodiment of the present invention.

Fig. 8 is a cross-sectional view of a blending cup of a second embodiment of the food processor of the present invention.

Fig. 9 is an enlarged view of C in fig. 8.

The names of the components marked in the figures are as follows:

1. a machine base; 2. a stirring cup; 21. a cup body; 22. a cup cover; 221. a feeding channel; 23. a cup holder; 24. a metal disc; 25. a grinding chamber; 3. a crushing knife; 4. a feeding cover; 41. an inner cavity; 42. a lower cover; 421. an insertion portion; 4211. a bottom wall; 4212. a side wall; 4213. positioning a groove; 422. a grip portion; 423. screwing; 43. a top cover; 431. a rib is protruded; 44. a diffusion chamber; 45. an air inlet; 46. an air outlet; 5. a soft rubber sleeve; 51. positioning the projection; 52. sealing the ring rib; 521. a first sealing ring rib; 522. a second sealing ring rib; 53. and positioning the convex ribs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.

The first embodiment is as follows:

as shown in fig. 1 to 7, the utility model provides a low-noise food processor, which comprises a frame 1, a stirring cup 2 and a motor arranged in the frame 1, a motor-driven crushing cutter 3 is arranged in the stirring cup 2, the stirring cup 2 comprises a cup body 21 and a cup cover 22 covering the cup body 21, the stirring cup 2 is detachably arranged above the frame 1, in order to facilitate the placement of the stirring cup, a cup seat 23 can be arranged at the bottom of the cup body 21, a metal disc 24 is arranged between the cup body 21 and the cup seat 23, the crushing cutter 3 is rotatably arranged at the center of the bottom wall of the metal disc 24, the cup seat 23 and the cup body 21 are fixed by screw thread connection to clamp and fix the metal disc 24, so that the cup cover 22, the cup body 21 and the metal disc 24 surround to form a crushing cavity 25, a heating pipe is arranged on the outer side wall of the metal disc 24 to heat food in the crushing cavity 25, a feeding channel 221 is arranged on the, and the feeding cover 4 is arranged in the feeding channel 221, so that the air exhaust and pressure relief of the crushing cavity can be realized, the pressure balance in the crushing cavity is ensured, and the midway feeding of the food processor can be realized, so that the richness of food processing is increased.

In this embodiment, the feeding cover 4 includes an inner cavity 41, the inner cavity 41 is formed by a hollow structure, specifically, the feeding cover 4 includes a lower cover 42 and a top cover 43 disposed above the lower cover 42, the lower cover 42 includes an insertion portion 421 and a holding portion 422 disposed above the insertion portion 421, the feeding cover 4 is provided with an air inlet 45 communicating the inner cavity 41 with the crushing cavity 25 and an air outlet 46 communicating the inner cavity 41 with the outside, the air inlet 45 is disposed at the bottom of the feeding cover 4, a sealing structure hermetically fitted with the feeding channel 221 is disposed on the periphery of the feeding cover 4, the periphery of the feeding cover and the feeding channel are sealed by the sealing structure, so that the air flow can only enter the inner cavity through the air inlet and then be discharged through the air outlet, and the noise can only enter the inner cavity through the air inlet and then be transmitted out through the air outlet when being transmitted out, so that the noise can be blocked by the layer when being transmitted out, so as to greatly reduce the transmitted out noise, and the noise is subdued after energy release and reflection offset in the inner chamber greatly, thereby reduce the noise from venthole exhaust, improve noise reduction effect greatly, seal structure also can be fine simultaneously plays and blocks the effect that slows down to the noise, further reduce food preparation machine's noise, and child is equipped with on the seal structure with throw material passageway 221 cooperation in order to throw the spacing location structure of material lid 4 axial, in order to throw material lid axial spacing, prevent to throw the material lid and push away by the air current, in order to guarantee seal structure and throw the leakproofness between the material passageway, thereby guarantee food preparation machine's noise reduction effect, and then promoted user and used experience and use the satisfaction.

The top cover 43 is sleeved outside the lower cover 42, and the top cover 43 and the lower cover 42 are detachably fixed, so that the top cover and the lower cover are convenient to assemble and disassemble, and the interior of the feeding cover is convenient to clean, so that the sanitation of the interior of the feeding cover is ensured, and the breeding of bacteria and smelliness in the interior of the feeding cover are prevented; specifically, the outer side wall of the upper end of the lower cover 42 is provided with a rotary buckle 423, the rotary buckle 423 is in a 'L' shape, the inner side wall of the top cover 43 is provided with a convex rib 431 matched with the rotary buckle 423, the rotary buckle and the convex rib are arranged to realize the detachable fixation between the top cover and the lower cover, and the detachable fixation mode is simple and reliable and is convenient to detach; certainly, in order to facilitate assembly and disassembly, the turnbuckle 423 is provided with two symmetrical arrangements relative to the axis of the feeding cover, and the ribs 431 are correspondingly provided with two symmetrical arrangements.

Specifically, the sealing structure comprises a soft rubber sleeve 5 sleeved on the feeding cover 4, the insertion portion 421 comprises a bottom wall 4211 and a side wall 4212, the soft rubber sleeve 5 is sleeved on the periphery of the side wall 4212 of the insertion portion 421, so that the assembly of the sealing structure is convenient, and meanwhile, the feeding cover and the feeding channel are convenient to form sealing, so that air flow and noise cannot escape from a fit clearance between the feeding cover and the feeding channel, and accordingly, the exhaust effect and the noise reduction effect are ensured, the positioning groove 4213 is arranged on the periphery of the side wall 4212, the inner side wall of the soft rubber sleeve 5 is provided with a positioning convex rib 53, when the soft rubber sleeve 5 is sleeved on the side wall 4212, the positioning convex rib 53 is clamped into the positioning groove 4213 to limit and fix the soft rubber sleeve 5 axially, for better fixation, the positioning groove 4213 and the positioning convex rib 53 are both arranged in a ring shape, and a plurality of rings are arranged at intervals from top to bottom, so that the limit and fixation of the soft rubber sleeve is, the positioning structure comprises a positioning bulge 51 arranged at the lower end of the soft rubber sleeve 5, the positioning bulge 51 and the soft rubber sleeve 5 are integrally formed, after the feeding cover 4 is installed in place, the positioning bulge 51 is abutted against the bottom of the feeding channel 221 to axially limit the feeding cover 4, so that sealing can be well realized to ensure the sealing property between the feeding cover and the feeding channel, air flow and noise can only enter from an air inlet hole, and the noise reduction effect and the exhaust effect are ensured; meanwhile, after the feeding cover is assembled in place, obvious installation hand feeling can be achieved between the positioning protrusion and the feeding channel so as to prompt a user to install in place.

Simultaneously, in order to promote throw material lid axial spacing's reliability, can set up location arch 52 a plurality ofly and set up along 5 circumferencial direction intervals of flexible glue cover, increased and thrown material lid axial spacing limit point, make and throw the material lid everywhere the homoenergetic by the axial spacing fixed, thereby the axial spacing of material lid is thrown in the reinforcing, promote and throw material lid axial spacing's reliability, in order to guarantee food preparation machine during operation, throw the material lid and can not lead to axial direction to produce because of the pressure of air current not hard up.

In addition, in order to increase the sealing performance between the soft rubber sleeve and the feeding channel, a sealing ring rib 52 which is in sealing fit with the inner side wall of the feeding channel 21 can be arranged on the outer side wall of the soft rubber sleeve 5, the sealing ring rib 52 and the soft rubber sleeve 5 are integrally formed, the sealing ring rib 52 and the sealing ring rib 52 are positioned above the positioning bulge 51 so as to enhance the sealing performance between the soft rubber sleeve and the feeding channel, the matching between the positioning bulge and the bottom of the feeding channel is not influenced, the axial limiting effect of the feeding cover is ensured, and the sealing effect between the soft rubber sleeve and the feeding channel is also ensured; meanwhile, due to good sealing performance, no slurry or only a little slurry flows into the space between the feeding cover and the feeding channel, so that the feeding cover and the feeding channel can be cleaned conveniently.

More specifically, the sealing ring rib 52 includes a first sealing ring rib 521 and a second sealing ring rib 522, the first sealing ring rib 521 and the second sealing ring rib 22 are arranged at an upper-lower interval, and the second sealing ring rib 522 is located above the first sealing ring rib 521, so that the sealing ring rib forms a double sealing effect, and the sealing performance between the soft rubber sleeve and the feeding channel is further enhanced.

For better noise reduction, can outwards extend the top of inner chamber 41 and form diffusion chamber 44, diffusion chamber through setting up the internal diameter sudden change, further release the acoustic energy in the air current, the effect of the amortization of making an uproar falls is improved, and acoustic energy makes a round trip to propagate in diffusion chamber and inner chamber, mutual interference and weakening, improve the noise reduction effect, venthole and diffusion chamber intercommunication setting simultaneously, venthole 46 and diffusion chamber 44 intercommunication setting, venthole 46 locates the top edge of diffusion chamber 44, especially, be located the outside of portion of inserting, be located the periphery of portion of inserting horizontal projection promptly, the dislocation set of inlet port and venthole has been realized, avoid the noise to spread out fast through the venthole.

Simultaneously, the inside formation of insertion portion 421 the inner chamber 41 is about to establish the inner chamber in the insertion portion, and the inner chamber inserts inside the bowl cover, and the noise in the inner chamber passes through the multilayer separation, reduces the noise of outside propagation, and the inside outdiffusion of gripping portion 422 forms diffusion chamber 44, and the equivalent internal diameter of gripping portion is greater than the equivalent internal diameter of insertion portion promptly, is convenient for throw the location of material lid at the bowl cover and get and put.

In addition, locate the inlet port 45 and be close to the junction of diapire 4211 and lateral wall 4212, the air current is difficult to form the bubble in inlet port department, and the contact department of bubble and inner chamber is the multiaspect contact for bubble surface tension direction is different, therefore the bubble is difficult to form, breaks the bubble promptly more easily, and it is more smooth and easy to exhaust simultaneously, better keeps the atmospheric pressure difference between inner chamber and the crushing chamber, is favorable to breaking the bubble.

It can be understood that the convex rib can be arranged on the outer side wall of the upper end of the lower cover, the inner side wall of the top cover is provided with the rotary buckle matched with the convex rib, and the top cover and the lower cover can be disassembled and fixed, so that the inside of the feeding cover can be cleaned conveniently, and the sanitation of the inside of the feeding cover can be guaranteed.

It can be understood that the lower cover and the top cover can be also detachably fixed by threads or other structures, so that the top cover and the lower cover can be well detachably fixed, the interior of the feeding cover can be conveniently cleaned, and the sanitation of the interior of the feeding cover can be ensured.

It will be appreciated that the air inlet holes may also be provided in the bottom wall, particularly in the centre, of the insert portion, to facilitate maintaining air pressure equilibrium within the grinding chamber and to facilitate air flow discharge.

Example two:

the difference between the present embodiment and the first embodiment is that the arrangement positions of the air outlet holes are different.

In this embodiment, as shown in fig. 8 to 9, the air outlet 46 is disposed at the bottom of the diffusion chamber 44, and the air flow can be discharged from between the holding portion 422 and the cup cover 22 along the air outlet, so that the noise is difficult to be discharged from the air outlet rapidly, and the air outlet is disposed at the position, so that the noise can be discharged after being refracted for many times, thereby greatly reducing the sound energy and improving the noise reduction effect of the feeding cover.

Other structures and advantages of the parts not described are the same as those of the first embodiment, and are not described in detail here.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims (10)

1. The utility model provides a food preparation machine of low noise, is equipped with by motor drive's crushing sword including stirring cup and motor in the stirring cup, and the stirring cup includes that cup and lid fit the bowl cover of cup top, and the bowl cover surrounds with the cup and forms crushing chamber, is equipped with on the bowl cover and throws the material passageway, throws to be equipped with in the material passageway and throws the material lid, its characterized in that, the inner chamber of throwing the material lid is hollow structure, throws the material lid and is equipped with the intercommunication the inlet port and the intercommunication in inner chamber and crushing chamber the bottom of throwing the material lid is located to inner chamber and external venthole, inlet port, is equipped with on the periphery of throwing the material lid and throws the sealed complex seal structure of material passageway, is equipped with on the seal structure and throws the material.

2. The food processor of claim 1, wherein the sealing structure comprises a flexible rubber sleeve sleeved on the feeding cover, the positioning structure comprises a positioning protrusion arranged at a lower end of the flexible rubber sleeve, and the positioning protrusion abuts against the bottom of the feeding channel to axially limit the feeding cover after the feeding cover is mounted in place.

3. The food processor of claim 2, wherein the positioning protrusions are provided in plurality and are spaced apart along a circumference of the soft gum cover.

4. The food processor as defined in claim 2, wherein the outer side wall of the soft rubber sleeve is provided with a sealing ring rib which is in sealing fit with the inner side wall of the feeding channel, and the sealing ring rib is positioned above the positioning bulge.

5. The food processor of claim 4, wherein the sealing ring rib includes a first sealing ring rib and a second sealing ring rib, the first sealing ring rib and the second sealing ring rib are spaced apart from each other and the second sealing ring rib is located above the first sealing ring rib.

6. The food processor of claim 1, wherein the top of the inner cavity extends outwardly to form a diffusion chamber, and the gas outlet is in communication with the diffusion chamber and is disposed at the bottom of the diffusion chamber; alternatively, the gas outlet is located at the top edge of the diffusion chamber.

7. The food processor of claim 6, wherein the feeding cover includes an insertion portion inserted into the feeding channel and a holding portion located above the feeding channel, the insertion portion defining an inner cavity therein, the holding portion defining a diffusion chamber therein, and the sealing structure disposed around the insertion portion and forming a sealing engagement with the feeding channel.

8. The food processor of claim 1, wherein the dispensing lid includes an insert portion inserted into the dispensing channel, the insert portion including a bottom wall and a side wall, and the air inlet aperture being located proximate a junction of the bottom wall and the side wall.

9. The food processor of claim 1, wherein the feeding lid comprises a lower lid and a top lid, the top lid is disposed outside the lower lid, and the top lid is detachably secured to the lower lid.

10. The food processor as defined in claim 9, wherein the outer side wall of the upper end of the lower cover is provided with a turn buckle, and the inner side wall of the top cover is provided with a convex rib matched with the turn buckle; or, the outer side wall of the upper end of the lower cover is provided with a convex rib, and the inner side wall of the top cover is provided with a rotary buckle matched with the convex rib.

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