CN216724276U - Low-noise food processor - Google Patents

Abstract

The application discloses low noise food preparation machine, including smashing cup and bowl cover, install reducing mechanism in the smashing cup, the bowl cover includes: the cover body is used for covering the crushing cup, and the silencing cover is arranged on the cover body; the lower end of the anti-overflow cavity is communicated with the crushing cavity in the crushing cup, the upper end of the anti-overflow cavity is provided with a communicating hole, the silencing cover is provided with an air inlet hole and an air outlet hole, the air inlet hole and the communicating hole are correspondingly arranged to be communicated with the anti-overflow cavity and the silencing cavity, and the air outlet hole is communicated with the outside. The utility model provides a food preparation machine smashes the noise that the intracavity produced and falls the back through anti-overflow chamber and the dual noise reduction in amortization chamber, can make the noise greatly reduced who spreads by the exhaust hole to promote amortization noise reduction effect.

Description

Low-noise food processor

Technical Field

The application belongs to the technical field of life electrical apparatus, concretely relates to low noise food preparation machine.

Background

Food preparation machine is at high-speed whipping in-process like broken wall machine, cooking machine, soybean milk machine etc. smashes the intracavity and produces crushing sword and eat material whipping noise, eat material and cup wall striking noise and vortex noise etc. and these noises are very easily passed to the machine outside through the ventilative passageway on the bowl cover, have influenced user and have used and experienced. In the existing improved food processor, a silencing channel is arranged in a cup cover to absorb or consume noise generated in a crushing cavity, but the noise reduction effect is not good.

SUMMERY OF THE UTILITY MODEL

The application provides a low noise food processor to at least solve the big problem of current food processor crushing noise.

The technical scheme adopted by the application is as follows:

the utility model provides a low noise food preparation machine, is including smashing cup and bowl cover, install reducing mechanism in the smashing cup, the bowl cover includes: the cover body is used for covering the crushing cup, and the silencing cover is arranged on the cover body, an anti-overflow cavity and a mounting cavity communicated with the anti-overflow cavity are arranged in the cover body, the mounting cavity is positioned above the anti-overflow cavity, an anti-overflow electrode is arranged in the anti-overflow cavity, the silencing cover is arranged in the mounting cavity, and a silencing cavity for reducing noise is arranged in the silencing cover; the lower end of the anti-overflow cavity is communicated with the crushing cavity in the crushing cup, the upper end of the anti-overflow cavity is provided with a communicating hole, the silencing cover is provided with an air inlet hole and an air exhaust hole, the air inlet hole and the communicating hole are correspondingly arranged to be communicated with the anti-overflow cavity and the silencing cavity, and the air exhaust hole is communicated with the outside.

Furthermore, the silencing cover comprises an upper cover and a lower cover, the upper cover and the lower cover are mutually buckled to form the silencing cavity in the silencing cover, the air inlet hole is formed in the lower cover, and the exhaust hole is formed in the upper cover.

Furthermore, the lower cover is a soft rubber cover, an annular groove is formed in the side wall of the upper cover along the side wall of the upper cover, and the lower cover is sleeved in the annular groove; or the lower cover is a soft rubber cover and is arranged in interference fit with the installation cavity; or the lower cover is a soft rubber cover, and the bottom end face of the lower cover is abutted to the top end face of the anti-overflow cavity.

Furthermore, a first surrounding rib surrounding the exhaust hole extends towards the lower end of the exhaust hole to the silencing cavity, the height of the first surrounding rib is H1, the height of the silencing cavity is H2, and H2 is greater than H1 and is larger than or equal to 5 mm.

Furthermore, the upper end of the air inlet hole is provided with a second surrounding rib which extends upwards and surrounds the air inlet hole, the bottom of the upper cover is provided with a partition plate which extends downwards, and the lower end of the partition plate is lower than the upper end of the second surrounding rib.

Further, the cover body is recessed downwards from the top of the cover body to form the mounting cavity; or the cover body extends upwards from the top of the cover body to form a protruding part, and the mounting cavity is arranged in the protruding part.

Furthermore, the anti-overflow cavity is provided with a first surrounding wall surrounding the anti-overflow electrode, the outer side wall of the first surrounding wall is connected with the cover body through a connecting part, and the inner side wall of the first surrounding wall is provided with a mounting position for mounting the anti-overflow electrode.

Further, the lid includes the enclosing cover and installs inner cup in the enclosing cover, anti-overflow electrode an organic whole mould plastics in on the enclosing cover, the inner cup is equipped with upwards extends and encircles the second leg of anti-overflow electrode, the second leg encloses to close and forms the anti-overflow chamber.

Further, the communication hole is arranged at the upper end of the first surrounding wall and is annular; or a plurality of circumferentially spaced communication holes are arranged on the upper end face of the first surrounding wall.

Furthermore, one side of the cover body facing the crushing cup is provided with a convex cavity protruding upwards and used for guiding the slurry, the convex cavity is arranged on the radial outer side of the anti-overflow cavity, the convex cavity is connected with the anti-overflow cavity through a transition end face, and the bottom end face of the anti-overflow cavity is lower than the transition end face.

Due to the adoption of the technical scheme, the beneficial effects obtained by the application are as follows:

1. the utility model provides a food processor, the bowl cover is including being used for the lid of lid adorning in smashing the cup and installing the amortization lid on the lid, be equipped with the anti-overflow chamber in the lid and be located the installation cavity of anti-overflow chamber top, amortization lid is installed in the installation cavity, be equipped with the amortization chamber that is used for making an uproar in the amortization lid, from this smash the chamber, anti-overflow chamber and amortization chamber communicate the propagation passageway that forms the noise from bottom to top, the noise of smashing the intracavity can advance to go into the anti-overflow intracavity and carry out the first heavy noise reduction, then get into the amortization intracavity and carry out the second heavy noise reduction, compare in only setting up the scheme in amortization chamber at the bowl cover, the space in the scheme of this application can make full use of anti-overflow intracavity, the propagation route of extension noise, thereby increase the sound energy loss on the way of noise, reach better noise reduction effect.

Moreover, the food processor of the application can optimize the noise reduction effect while realizing the anti-overflow function, and the overall performance of the food processor is improved.

2. As a preferred embodiment of the present application, the silencing cover comprises an upper cover and a lower cover, the air inlet is arranged on the lower cover, the air outlet is arranged on the upper cover, and the arrangement of the air inlet and the air outlet on different parts helps to prolong the propagation path of noise, so that the noise is fully reduced and then is transmitted out of the air outlet.

As a preferred embodiment of the present embodiment, the lower cover is a soft rubber cover, the upper cover is provided with a ring groove along a side wall thereof, and the lower cover is sleeved in the ring groove; thereby the amortization lid of so design is convenient for the dismouting to make the inside washing of amortization lid convenient to because the lower cover is the flexible glue lid can reduce the vibrations transmission to the upper cover that produce by the below, thereby play vibration/noise reduction's effect.

As a preferred embodiment under this embodiment, the lower cover is the flexible glue lid, and lower cover and installation cavity interference fit installation for the whole removable installation that is convenient for of amortization lid carries out with the lid, and the washing of the inside amortization lid under existing being favorable to dismantling still is favorable to wasing the anti-overflow chamber that is located the installation cavity below.

As a preferred embodiment of the present embodiment, the lower cover is a soft rubber cover, and the bottom end surface of the lower cover abuts against the top end surface of the anti-overflow cavity, so that the anti-overflow cavity is favorably sealed, and the slurry or noise can be prevented from being transmitted from the fit gap between the anti-overflow cavity and the noise reduction cover.

As a preferred example of this embodiment, the lower end of the exhaust hole extends into the silencing chamber to form a first surrounding rib surrounding the exhaust hole, the height of the first surrounding rib is H1, and the height of the silencing chamber is H2, where H2> H1 ≥ 5mm, so that noise entering the silencing chamber can be transmitted from the lower cover to the upper cover first, and then can enter the exhaust hole via the upper cover when being transmitted from the upper cover to the lower end of the first surrounding rib, and the propagation path of the noise is extended.

As a preferred embodiment of the present embodiment, the upper end of the air inlet hole is provided with a second surrounding rib extending upward and surrounding the air inlet hole, the bottom of the upper cover is provided with a partition extending downward, and the lower end of the partition is lower than the upper end of the second surrounding rib, so that noise coming out from the upper end of the second surrounding rib of the air inlet hole can be transmitted downward and can pass through a gap between the partition and the lower cover, and a propagation path of the noise is extended; and when the baffle setting is more, can separate into a plurality of subchambers with the amortization chamber for the noise carries out the amortization step by step in a plurality of subchambers.

3. As a preferred embodiment of the application, the anti-overflow cavity is provided with a first surrounding wall surrounding the anti-overflow electrode, the upper end of the first surrounding wall is provided with an annular communication hole, in the scheme, the air inlet hole of the silencing cover can be arranged at any position corresponding to the annular communication hole, and the annular communication hole is also beneficial to cleaning the inside of the anti-overflow cavity.

As another preferred embodiment of this application, the anti-overflow chamber has the first leg that encircles the anti-overflow electrode, and the up end of first leg sets up a plurality of circumference spaced intercommunicating pores, and the inlet port of amortization lid also can set up a plurality ofly in this scheme, and corresponds a plurality of intercommunicating pores respectively and set up, and the up end of the anti-overflow chamber that does not set up the intercommunicating pore can with the lower cover zero clearance fit of amortization lid, optimizes the sealed in anti-overflow chamber.

4. As a preferred embodiment of this application, the lid is equipped with the protruding chamber that is used for the thick liquid water conservancy diversion that makes progress towards one side of smashing the cup, protruding chamber sets up the radial outside in anti-overflow chamber, protruding chamber passes through the transition terminal surface with the anti-overflow chamber and is connected, the bottom face in anti-overflow chamber is less than the transition terminal surface, can make the thick liquid of smashing the intracavity preferentially towards protruding intracavity impact from this, and protruding chamber still is favorable to guiding thick liquid backward flow to make thick liquid backward flow to smashing the intracavity, further set up the transition terminal surface, and the transition terminal surface is higher than the bottom face in anti-overflow chamber, can prevent to get into the anti-overflow intracavity by the thick liquid cisoid of protruding chamber backward flow, the anti-overflow function has been optimized from this.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic diagram of a low noise food processor according to one embodiment of the present application;

FIG. 2 is a schematic structural view of a lid according to an embodiment of the present application;

FIG. 3 is an exploded view of the lid of FIG. 2;

FIG. 4 is a first cross-sectional view of the lid of the present application in accordance with one embodiment;

FIG. 5 is a second cross-sectional view of the lid of one embodiment of the present application;

FIG. 6 is a schematic illustration of a decoupling of an upper cover and a lower cover of a sound attenuating cover according to an embodiment of the present application;

FIG. 7 is a schematic view of the upper and lower covers of the sound-deadening cover of FIG. 6 assembled together;

FIG. 8 is a cross-sectional view of the sound attenuating cap of FIG. 7;

FIG. 9 is a first schematic view of the structure of the outer cover of the cap body according to an embodiment of the present application;

FIG. 10 is a second schematic structural view of the outer lid of the cap body according to an embodiment of the present application;

fig. 11 is a schematic structural view of an inner lid of a cap body according to an embodiment of the present application.

Reference numerals:

10-crushing cup, 11-crushing cavity;

20-a cup cover, 21-a cover body, 22-a silencing cover, 23-an anti-overflow cavity, 24-a mounting cavity, 25-a silencing cavity, 26-an upper cover, 27-a lower cover, 28-an outer cover, 29-an inner cover, 230-an anti-overflow electrode, 231-a communication hole, 221-an air inlet hole, 222-an exhaust hole, 260-a ring groove, 2220-a first surrounding rib, 261-a partition plate, 210-a bulge part, 232-a first surrounding wall, 233-a connecting part, 234-a mounting position, 290-a second surrounding wall, 291-a convex cavity, 292-a transition end face, 235-a conductive needle, 270-an inward flanging, 240-a clamping groove, 262-a clamping tongue and 280-a fastener;

30-machine base, 31-water tank, 32-slurry receiving cup and 33-residual water box.

Detailed Description

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

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In addition, in the description of the present application, it is to be understood that the terms "upper end", "lower end", "inner", "outer", "radial", "circumferential", and the like, refer to orientations or positional relationships based on those shown in the drawings, or those orientations or positional relationships that are conventionally used to present the products of the present invention, and are used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 11, a low noise food processor comprises a grinding cup 10 and a cup cover 20, wherein a grinding device is installed in the grinding cup, and the cup cover 20 comprises: the cover body 21 is used for covering the crushing cup, and the silencing cover 22 is mounted on the cover body 21, an anti-overflow cavity 23 and a mounting cavity 24 communicated with the anti-overflow cavity are arranged in the cover body 21, the mounting cavity 24 is positioned above the anti-overflow cavity 23, an anti-overflow electrode 230 is mounted in the anti-overflow cavity 23, the silencing cover 22 is mounted in the mounting cavity 24, and a silencing cavity 25 for reducing noise is arranged in the silencing cover 22; the lower end of the anti-overflow cavity 23 is communicated with the crushing cavity 11 in the crushing cup, the upper end of the anti-overflow cavity 23 is provided with a communicating hole 231, the silencing cover 22 is provided with an air inlet hole 221 and an air outlet hole 222, the air inlet hole 221 and the communicating hole 231 are correspondingly arranged to communicate the anti-overflow cavity 23 and the silencing cavity 25, and the air outlet hole 222 is communicated with the outside.

The utility model provides a smash chamber, anti-overflow chamber and amortization chamber and communicate the propagation passageway that forms the noise from bottom to top, smash the noise of intracavity and can advance to go into the anti-overflow intracavity and carry out first heavy falling and make an uproar promptly, then get into the amortization intracavity and carry out the second and heavily fall and make an uproar, compare in the scheme that only sets up the amortization chamber at the bowl cover, the space in the anti-overflow intracavity can make full use of to the scheme of this application, the propagation path of extension noise to increase the sound energy loss on the way of noise, reach better noise reduction. Moreover, the food processor of the application can optimize the noise reduction effect while realizing the anti-overflow function, and the overall performance of the food processor is improved.

Specifically, the spill prevention chamber 23 and the sound attenuation chamber 25 of the present application may both serve as noise propagation spaces to achieve gradual noise reduction of noise, so that the noise reaching the air discharge holes 222 becomes small, thereby optimizing the noise reduction effect. The noise reduction principle of this application does: noise in the crushing cavity 11 firstly enters the anti-overflow cavity 23 through the lower end of the anti-overflow cavity 23, and the anti-overflow cavity 23 reflects and absorbs the noise; then, the noise enters the silencing cavity 25 through the air inlet 221 of the silencing cover 22, and the volume expands when the noise enters the larger silencing cavity 25 through the smaller air inlet 221, so that the sound pressure of the noise is reduced, the energy of sound energy is lost, the noise is reduced, and the noise can be reflected and absorbed by the side wall of the silencing cavity 25 to reduce the noise when the noise is transmitted in the silencing cavity 25. The silencing cover 22 is provided with an air inlet 221 and an air outlet 222, and can meet the exhaust requirement while silencing.

To optimize the noise reduction effect, the ratio of the cross-sectional area of the air inlet hole to the cross-sectional area of the sound-damping chamber may be set, for example, 1: 10.

As shown in fig. 1, the food processor of the present application may further include a base 30, a water tank 31, a slurry receiving cup 32, and a residual water tank 33. In the using process, the water pump pumps water from the water tank 31 to the crushing cup 10 for a pulping process, after pulping is completed, the generated fluid pulp can be discharged to the pulp receiving cup 32, a user takes away the pulp receiving cup 32 and then enters a cleaning procedure, and the cleaned waste water is discharged to the residual water box 33. The application discloses food preparation machine can be soybean milk machine, broken wall machine, cooking machine, health preserving kettle etc..

The application provides a food processor with anti-overflow function. As shown in fig. 4 or 5, the lower end of the anti-overflow electrode 230 extends into the grinding cup 10, and the anti-overflow electrode 230 is electrically connected to a control device (not shown). Further, a conductive body (not shown) may be disposed in the cover body 21, the conductive body may be a metal strip with good conductivity, a conductive needle 235 engaged with the conductive body is further disposed in the cover body 21, one end of the conductive body is electrically connected to the anti-overflow electrode 230, the other end of the conductive body is electrically connected to the conductive needle 235, and the conductive needle 235 may be electrically connected to the control device.

As a preferred embodiment of the present application, as shown in fig. 6 to 8, the silencing cover 22 includes an upper cover 26 and a lower cover 27, the upper cover 26 and the lower cover 27 are fastened to each other to form the silencing chamber 25 in the silencing cover, the air inlet hole 221 is disposed in the lower cover 27, and the air outlet hole 222 is disposed in the upper cover 26. The air inlet hole and the air outlet hole are arranged on different parts, so that the propagation path of noise is prolonged, and the noise is sufficiently reduced and then is transmitted out of the air outlet hole.

In one embodiment, as shown in fig. 6, the lower cover is a soft rubber cover, the upper cover 26 has a ring groove 260 along a side wall thereof, and the lower cover 27 is fitted over the ring groove 260. Referring to fig. 7, the lower cover 27 is provided with an inner flange 270 to be snapped into the annular groove 260 to improve the snap-fit effect of the upper cover 26 and the lower cover 27.

The preferred silica gel material that uses of lower cover, it is convenient both to make amortization lid dismouting to the convenience is washd the inside of amortization lid, and the lower cover can also absorb some noise, thereby reduces the vibrations noise transmission to the upper cover that is produced by the below, reaches vibration/noise reduction's effect.

In one embodiment, the lower cover is a soft rubber cover, and the lower cover 27 is installed in an interference fit with the installation cavity 24. This scheme helps whole and the lid of amortization lid to carry out removable installation, and the amortization that has both been favorable to dismantling is covered inside washing, still is favorable to wasing the anti-overflow chamber that is located the installation cavity below.

Further, as shown in fig. 6 and 9, the mounting cavity 24 may be provided with a locking groove 240, and the upper cover 26 may be provided with a locking tongue 262 corresponding to the locking groove 240 to prevent the sound-deadening cover from falling off the mounting cavity 24.

Further, the silencing cover can be arranged to be in a left-right symmetrical structure, so that a fool-proof design can be omitted, and blind installation is facilitated.

In one embodiment, the lower cover is a soft rubber cover, and a bottom end surface of the lower cover 27 abuts against a top end surface of the spill-proof cavity 23. So be favorable to sealing the anti-overflow chamber, can avoid thick liquid or noise to spread from the cooperation clearance department of anti-overflow chamber and amortization lid.

In one embodiment, as shown in fig. 7 and 8, the lower end of the exhaust hole 222 extends into the sound-deadening chamber with a first surrounding rib 2220 surrounding the exhaust hole, the height of the first surrounding rib is H1, the height of the sound-deadening chamber is H2, wherein H2> H1 ≧ 5 mm. Therefore, the noise entering the silencing cavity is transmitted to the upper cover from the lower cover upwards and then is transmitted to the lower end of the first surrounding rib from the upper cover downwards, and then enters the exhaust hole through the exhaust hole, so that the propagation path of the noise is prolonged.

In one embodiment, as shown in fig. 7 or 8, the upper end of the air inlet hole 221 is provided with a second surrounding rib extending upward and surrounding the air inlet hole, the bottom of the upper cover 26 is provided with a partition 261 extending downward, and the lower end of the partition is lower than the upper end of the second surrounding rib. Therefore, the noise coming out from the upper end of the second surrounding rib of the air inlet hole can be transmitted downwards to pass through the gap between the partition plate and the lower cover, and the propagation path of the noise is prolonged.

In another embodiment, can set up a plurality of baffles 261 in the amortization chamber, cut apart into a plurality of sub cavities with the amortization chamber, set up the breach of the adjacent sub cavity of intercommunication on the baffle 261, the noise is carried out the amortization step by step along a plurality of sub cavities. The scheme can form a structure similar to an expansion chamber silencer, and realizes silencing by utilizing reflection and interference of sound waves caused by repeated expansion and contraction of the flow cross section. Further, the notches on adjacent partitions may be staggered to extend the noise propagation path.

To further improve the noise reduction effect, the air inlet 221 and the air outlet 222 can be disposed in a staggered manner. For example, the air inlet hole 221 may be disposed near the center of the sound-deadening chamber, and the air outlet hole 222 is disposed far from the center of the sound-deadening chamber, thereby extending the propagation path of noise. The vent 222 may preferably be a kidney-shaped structure.

The form of the installation cavity is not limited in the application, and any one of the following modes can be adopted:

the first embodiment is as follows:

the cover body is sunken downwards from the top of the cover body to form the mounting cavity. The installation cavity is arranged in such a way, so that the silencing cover can form a semi-hidden or hidden design, and the miniaturization of the machine is promoted.

Example two:

as shown in fig. 9, the cover 21 has a protrusion 210 extending upward from the top thereof, and the installation cavity 24 is disposed in the protrusion 210. The installation cavity 24 located in the protruding portion 210 can reserve more spaces in the cover body to provide an anti-overflow cavity and the like, and meanwhile, the space of the silencing cavity is increased, and the noise reduction effect is improved.

Also, the boss 210 may also serve as a handle to be held by a user to enrich the functionality of the component.

As a preferred embodiment of the present application, as shown in fig. 10, the anti-overflow cavity 23 has a first surrounding wall 232 surrounding the anti-overflow electrode, the outer side wall of the first surrounding wall 232 is connected to the cover body through a connecting portion 233, and the inner side wall of the first surrounding wall 232 is provided with a mounting position 234 for mounting the anti-overflow electrode.

Further, as shown in fig. 9, the communication hole 231 is provided at the upper end of the first surrounding wall 232, and the communication hole 231 is annular. The air inlet hole of amortization lid can set up in the optional position that corresponds annular intercommunicating pore in this scheme, and annular intercommunicating pore still is favorable to wasing the intracavity portion that prevents overflow.

Of course, the communication hole 231 may also be a plurality of circumferentially spaced holes provided in the upper end surface of the first surrounding wall. The air inlet hole of amortization lid also can set up a plurality ofly in this scheme, and corresponds a plurality of intercommunicating pores setting respectively, and the up end in the anti-overflow chamber that does not set up the intercommunicating pore can be with the lower cover zero clearance fit of amortization lid, optimizes the sealed to the anti-overflow chamber.

As another preferred embodiment of the present application, as shown in fig. 4 and 11, the cover body 21 includes an outer cover 28 and an inner cover 29 installed inside the outer cover, the anti-overflow electrode 230 is integrally injection-molded on the outer cover 28, the inner cover 29 is provided with a second surrounding wall 290 extending upward and surrounding the anti-overflow electrode, and the second surrounding wall 290 encloses the anti-overflow cavity.

In order to ensure that the slurry is fully boiled in the pulping process and the anti-overflow electrode is not adhered, the anti-overflow electrode is preferably integrally molded on the outer cover in the scheme. Further, a third surrounding wall can be further provided on the outer cover, and the second surrounding wall 290 and the third surrounding wall can jointly form an anti-overflow cavity.

Further, as shown in fig. 4, a fastening member 280 may be disposed between the outer lid 28 and the inner lid 29, an upper end of the fastening member 280 may be fixedly coupled to the outer lid 28 by a screw, a lower end of the fastening member 280 may be inserted into a limiting groove of the inner lid 29 and may clamp the inner lid 29 in a circumferential direction, and a sealing gasket may be disposed between the fastening member 280 and the inner lid 29 for sealing the pulverizing cup.

As a preferred embodiment of the present application, as shown in fig. 11, one side of the cover body facing the pulverizing cup is provided with a convex cavity 291 protruding upwards for guiding the slurry, the convex cavity 291 is disposed at the radial outer side of the anti-overflow cavity 23, the convex cavity 291 is connected to the anti-overflow cavity 23 through a transition end surface 292, and the bottom end surface of the anti-overflow cavity 23 is lower than the transition end surface 292. From this can make the thick liquid of smashing the intracavity preferentially towards protruding intracavity impact, and protruding chamber still is favorable to guiding thick liquid backward flow to make thick liquid backward flow to smashing the intracavity, further sets up the transition terminal surface, and the bottom end face that the transition terminal surface is higher than the anti-overflow chamber, can prevent to get into the anti-overflow intracavity by the thick liquid of protruding chamber backward flow with the trend, has optimized the anti-overflow function from this.

Preferably, cover body 21 includes an outer cover 28 and an inner cover 29, and cavity 291 is disposed on inner cover 29. The inner cover can adopt an aluminum die-casting process to facilitate the processing of a convex cavity; the inner surface of the inner cover may be provided with an anti-adhesive coating to facilitate cleaning.

It should be noted that the propagation of noise described in the present application is substantially realized by airflow, and in particular, the principle of noise propagation is understood with reference to the related art, and is not described herein again.

Where not mentioned in this application, this may be achieved using or taking advantage of existing technology.

All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a low noise food preparation machine, is including smashing cup and bowl cover, install reducing mechanism in the smashing cup, its characterized in that, the bowl cover includes:

the cover body is used for covering the crushing cup, and the silencing cover is arranged on the cover body, an anti-overflow cavity and a mounting cavity communicated with the anti-overflow cavity are arranged in the cover body, the mounting cavity is positioned above the anti-overflow cavity, an anti-overflow electrode is arranged in the anti-overflow cavity, the silencing cover is arranged in the mounting cavity, and a silencing cavity for reducing noise is arranged in the silencing cover;

the lower end of the anti-overflow cavity is communicated with the crushing cavity in the crushing cup, the upper end of the anti-overflow cavity is provided with a communicating hole, the silencing cover is provided with an air inlet hole and an air exhaust hole, the air inlet hole and the communicating hole are correspondingly arranged to be communicated with the anti-overflow cavity and the silencing cavity, and the air exhaust hole is communicated with the outside.

2. Low noise food processor in accordance with claim 1,

the silencing cover comprises an upper cover and a lower cover, the upper cover and the lower cover are buckled with each other to form the silencing cavity in the silencing cover, the air inlet hole is formed in the lower cover, and the exhaust hole is formed in the upper cover.

3. A low noise food processor as defined in claim 2,

the lower cover is a soft rubber cover, the upper cover is provided with a ring groove along the side wall of the upper cover, and the lower cover is sleeved in the ring groove; or

The lower cover is a soft rubber cover and is installed in interference fit with the installation cavity; or

The lower cover is a soft rubber cover, and the bottom end face of the lower cover is abutted to the top end face of the anti-overflow cavity.

4. A low noise food processor as defined in claim 2,

the lower end of the exhaust hole extends into the silencing cavity to form a first surrounding rib surrounding the exhaust hole, the height of the first surrounding rib is H1, the height of the silencing cavity is H2, and H2 is greater than H1 and is not less than 5 mm.

5. A low noise food processor as defined in claim 2,

the upper end of the air inlet hole is provided with a second surrounding rib which extends upwards and surrounds the air inlet hole, the bottom of the upper cover is provided with a partition plate which extends downwards, and the lower end of the partition plate is lower than the upper end of the second surrounding rib.

6. A low noise food processor as defined in claim 1,

the cover body is sunken downwards from the top of the cover body to form the mounting cavity; or

The lid upwards extends from its top has the bellying, set up in the bellying the installation cavity.

7. Low noise food processor in accordance with claim 1,

the anti-overflow chamber has and encircles the first leg of anti-overflow electrode, the lateral wall of first leg pass through connecting portion with the lid is connected, the inside wall of first leg is equipped with the installation position of anti-overflow electrode.

8. A low noise food processor as defined in claim 1,

the lid includes the enclosing cover and installs inner cup in the enclosing cover, anti-overflow electrode an organic whole mould plastics in on the enclosing cover, the inner cup is equipped with upwards extends and encircles the second leg of anti-overflow electrode, the second leg encloses to close and forms the anti-overflow chamber.

9. A low noise food processor as defined in claim 7,

the communication hole is formed in the upper end of the first surrounding wall and is annular; or

The upper end face of the first surrounding wall is provided with a plurality of circumferentially spaced communication holes.

10. Low noise food processor in accordance with claim 1,

the cover body faces one side of the smashing cup, an upward protruding convex cavity used for guiding the slurry is arranged on one side of the smashing cup, the convex cavity is arranged on the radial outer side of the anti-overflow cavity, the convex cavity is connected with the anti-overflow cavity through a transition end face, and the bottom end face of the anti-overflow cavity is lower than the transition end face.

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