CN218074670U - Lid subassembly and cooking machine - Google Patents

Abstract

The utility model relates to a life electrical apparatus technical field provides a lid subassembly and cooking machine. Wherein, the lid subassembly includes: the first cover body is provided with a body part and a first flow limiting part, and the body part is provided with an exhaust port; the second lid is provided with exhaust portion, and the second lid is located one side of first lid, first current-limiting portion with a cover in exhaust portion establishes in the outside of another one, first current-limiting portion with be formed with the exhaust clearance between the exhaust portion, exhaust portion is formed with the exhaust passage who is suitable for intercommunication cooking chamber, the exhaust passage exhaust clearance and the gas vent intercommunication forms exhaust route. The utility model provides a lid subassembly, the cooperation is cup jointed with the exhaust portion of second lid through the first current-limiting portion of first lid, realizes the effect of making an uproar that falls in the noise elimination, promotes user experience.

Description

Lid subassembly and cooking machine

Technical Field

The utility model relates to a life electrical apparatus technical field especially relates to lid subassembly and cooking machine.

Background

When the food processor works, the food processor needs to stir, crush, heat and the like materials in the food processor, so that the food materials are processed. During operations such as stirring, crushing and the like, processing noise can be generated, and airflow in the food processor can be disturbed; when the materials are heated and boiled, the boiling of the slurry also generates large noise, and steam needs to be discharged.

Among the correlation technique, be provided with ventilation structure on the bowl cover to satisfy the exhaust requirement, then also lead to cooking machine's noise to pass through ventilation structure and discharge, cooking machine's noise is great, and the noise cancelling effect is unsatisfactory, influences user's use and experiences.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the technical problems existing in the related art. Therefore, the utility model provides a cover subassembly cup joints the cooperation through the first current-limiting portion of first lid and the exhaust portion of second lid, realizes eliminating the noise and falls the effect of making an uproar, promotes user experience.

The utility model also provides a cooking machine.

According to the utility model discloses lid subassembly of first aspect embodiment includes:

the first cover body is provided with a body part and a first flow limiting part, and the body part is provided with an exhaust port;

the second lid is provided with exhaust portion, is located one side of first lid, first current-limiting portion with a cover in exhaust portion establishes in the outside of another one, first current-limiting portion with be formed with the exhaust clearance between the exhaust portion, exhaust portion is formed with the exhaust passage who is suitable for intercommunication cooking chamber, the exhaust passage exhaust clearance and the gas vent intercommunication forms exhaust route.

According to the utility model discloses lid subassembly, including first lid and second lid, the exhaust portion of second lid cup joints each other with the first current-limiting portion of first lid, so that form the exhaust clearance between first current-limiting portion and the exhaust portion, the exhaust portion forms exhaust passage, gas flows through exhaust passage, exhaust clearance passes through the gas vent discharge again, gaseous in-process that flows in the lid subassembly, the sound wave weakens, play the effect of making an uproar and falling, can also provide the resistance for gas flow, can reduce exhaust flow velocity, promote safety in utilization.

According to an embodiment of the present invention, the first flow-limiting portion is sleeved outside the exhaust portion, the second cover is provided with an outlet portion, the outlet portion is located at an outer ring of the exhaust portion, and a second airflow space between the outlet portion and the exhaust portion communicates the exhaust gap with the exhaust port;

or the exhaust part is sleeved outside the first flow limiting part, the first cover body is provided with a second flow limiting part, the second flow limiting part is connected to the body part and is positioned on the outer ring of the first flow limiting part, and a first airflow space between the second flow limiting part and the first flow limiting part is communicated with the exhaust gap and the exhaust port.

According to an embodiment of the present invention, the outlet portion is connected to the plurality of exhaust portions and is located at a plurality of outer rings of the exhaust portions, or the second flow restriction portion is located at a plurality of outer rings of the first flow restriction portion.

According to the utility model discloses an embodiment, still including being suitable for the closing cap to have the open-ended arrange the lid body in chamber, the outer wall sealing connection of export department in the mounting hole of lid body.

According to an embodiment of the present invention, along the length direction of the first flow restriction portion, the outlet portion with be provided with the interval difference between the first flow restriction portion, or, the partial outer wall of first flow restriction portion is located the inboard of outlet portion just the outer wall of first flow restriction portion with leave the clearance between the inner wall of outlet portion.

According to the utility model discloses an embodiment, first lid with form the cavity between the second lid, the exhaust clearance passes through the cavity with the gas vent intercommunication.

According to the utility model discloses an embodiment, first current-limiting part is including the first section and the second section that are connected, the first section with exhaust portion cup joints each other, the end connection of second section in this body part, the length more than or equal to of first section 1/3 of the length of first current-limiting part, less than or equal to 3/4 of the length of first current-limiting part.

According to an embodiment of the present invention, the length of the first section is greater than or equal to 3mm.

According to the utility model discloses an embodiment, the internal diameter of first current-limiting part with the difference more than or equal to 0.5mm of the external diameter of exhaust portion, and less than or equal to 3mm, the cross-sectional area less than or equal to of exhaust clearance half of exhaust passage's cross-sectional area.

According to the utility model discloses cooking machine of second aspect embodiment, including organism and above-mentioned lid subassembly, form in the organism and have the open-ended the cooking chamber, the lid subassembly closing cap the opening.

According to the utility model discloses cooking machine, including organism and lid subassembly, the opening in the cooking chamber of organism is established to the lid subassembly lid, for the exhaust in cooking chamber noise elimination fall make an uproar, can also slow down exhaust flow rate, simple structure, and cooking machine's noise elimination noise reduction effect is better, helps optimizing cooking machine's user experience.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

Fig. 1 is a schematic structural diagram of a cover assembly according to an embodiment of the present invention;

fig. 2 is a schematic longitudinal sectional structural view of a combined state of a first cover and a second cover according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a second cover body according to an embodiment of the present invention;

fig. 4 is a schematic longitudinal sectional structural view of a second cover body according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a first cover according to an embodiment of the present invention;

FIG. 6 is a schematic view of a portion A of FIG. 1;

fig. 7 is a schematic longitudinal sectional structural view of the food processor provided by the embodiment of the present invention, and the cover assembly is disposed above the machine body.

Reference numerals are as follows:

100. a cap assembly; 110. a first cover body; 111. a body portion; 112. a first current limiting portion; 113. a first stage; 114. a second stage; 115. an exhaust port; 120. a second cover body; 121. an exhaust section; 122. an outlet portion; 123. a connecting portion; 124. an exhaust passage; 125. a second gas flow space; 130. a cover body; 140. a cavity; 150. an exhaust gap;

200. a body; 210. a cooking cavity; 220. stirring a cutter; 300. and a seal.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of 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 therefore, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, the terms "plurality", and "plural" mean two or more unless otherwise specified.

In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood as specific cases to those of ordinary skill in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, references to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Referring to fig. 1 to 6, a structure diagram of the cap assembly 100 and various parts of the cap assembly 100 is shown; fig. 7 illustrates an example of the cover assembly 100 covering the opening above the body 200 of the food processor. Wherein, lid subassembly 100 lid is established at the organism 200 opening part of cooking machine, and the open-ended position can be directly over organism 200, can also be in the oblique top of organism 200, and lid subassembly 100's position can be adjusted along with the open-ended position. In the following embodiments, the opening formed right above the machine body 200 is covered by the cover body 130.

Next, the structure of the lid assembly 100 will be explained.

Referring to fig. 1 to 6, there is provided a cap assembly 100 including: the first cover 110 and the second cover 120, the first cover 110 has a main body 111 and a first flow restriction part 112, the main body 111 has an exhaust port 115; the second cover body 120 is provided with an exhaust part 121, the second cover body 120 is located on one side of the first cover body 110, one of the first flow limiting part 112 and the exhaust part 121 is sleeved on the outer side of the other, an exhaust gap 150 is formed between the first flow limiting part 112 and the exhaust part 121, the exhaust part 121 is provided with an exhaust channel 124 suitable for communicating with the food cavity 210, and the exhaust channel 124, the exhaust gap 150 and the exhaust port 115 are communicated to form an exhaust path.

The exhaust channel 124 of the second cover 120 is communicated with the food cavity 210 of the machine body 200, and the exhaust channel 124 is communicated with the exhaust port 115, so that the gas in the food cavity 210 can be exhausted through the exhaust port 115.

One of the first flow restriction portion 112 and the exhaust portion 121 is sleeved outside the other, which can be understood that the first flow restriction portion 112 is sleeved outside the exhaust portion 121, or the exhaust portion 121 is sleeved outside the first flow restriction portion 112.

First, referring to fig. 1 and 2, the exhaust path will be described based on the first restrictor 112 fitted around the outside of the exhaust unit 121.

During the exhaust process, the gas passes through the exhaust channel 124 formed by the exhaust part 121 and enters the inner space of the first flow restriction part 112, and under the blocking action of the main body 111 of the first cover 110, the gas flows out from the exhaust gap 150 between the first flow restriction part 112 and the exhaust part 121, and at this time, the gas flows toward the exhaust port 115 and is exhausted from the cover assembly 100. In the gas flowing process, gas is blocked by the body part 111, the gas flow speed can be reduced, the sound wave weakening effect can be achieved in the process that the gas passes through the exhaust gap 150, the gas is exhausted from the exhaust port 115 through double noise elimination and reduction, and the exhaust noise can be effectively reduced.

Second, the exhaust path will be described based on the exhaust portion being provided outside the first restrictor (not shown).

In the process of exhausting, the gas enters the exhaust channel formed by the exhaust part, a part of the gas directly flows out from the exhaust gap between the first flow limiting part and the exhaust part and flows towards the direction of the exhaust port 115, and is exhausted from the cover assembly 100, and the process of the gas passing through the exhaust gap can play a role of weakening sound waves, so that the exhaust noise can be reduced. And the other part of gas in the exhaust channel flows out of the exhaust gap after being subjected to the resistance of the first flow limiting part and is exhausted from the exhaust port. The gas is blocked by the first flow limiting part or the body part, so that the flow speed of the gas can be reduced, the sound wave weakening effect can be achieved in the process that the gas passes through the exhaust gap, the gas is exhausted from the exhaust port through dual noise elimination and reduction, and the exhaust noise can be effectively reduced.

It should be noted that, as shown in fig. 1 and fig. 6, the second cover 120 is connected to the cover body 130, and the second cover 120 is covered above the machine body 200 through the cover body 130, so that the structure of the second cover 120 can be simplified, and the second cover 120 can be conveniently processed. Of course, the second cover 120 may also be directly covered on the machine body 200, and the structure of the second cover 120 may be adjusted as required.

In the cover assembly 100 of the present embodiment, the first cover body 110 and the second cover body 120 are sleeved and matched to form the exhaust gap 150, which can extend the flow path of the gas in the cover assembly 100, and in the gas flowing process, weaken the peak value of the sound wave in the gas flow, perform the functions of noise elimination and noise reduction, and also perform the functions of reducing the gas flow rate, and buffer the flow rate of the exhaust gas.

Next, the structure of the first cover 110 and the second cover 120 will be described based on the first restrictor 112 fitted around the outside of the exhaust unit 121.

As shown in fig. 1 to 4, the second cover 120 is provided with the outlet 122, the outlet 122 is located at the outer periphery of the exhaust part 121, a second air flow space 125 is formed between the outlet 122 and the exhaust part 121, and the second air flow space 125 communicates the exhaust gap 150 with the exhaust port 115, so that the air flowing out of the exhaust gap 150 flows out of the exhaust port 115 through the second air flow space 125, which can prolong the air flow path, reduce the air flow speed, and help to slow down the exhaust flow speed. Meanwhile, the gas flowing through the second gas flow space 125 and contacting the wall surface of the outlet portion 122 may also attenuate sound waves, and perform the functions of noise elimination and noise reduction.

Here, the outlet 122 is located at the outer periphery of the exhaust part 121, it is understood that the outlet 122 surrounds the exhaust part 121 and ensures that a second air flow space 125 is formed between the outlet 122 and the exhaust part 121, the shape of the outlet 122 may be, but is not limited to, a cylinder, the outlet 122 may also be a prism, of course, the outlet 122 has other columnar structures, and the shape of the outlet 122 is not limited. The exhaust part 121 may be a cylindrical structure, and the exhaust part 121 may be a cylindrical cylinder, a prismatic cylinder, or other shaped cylindrical structure. The first flow restriction 112 may also be a cylinder structure, and the first flow restriction 112 may be a cylindrical cylinder, a prismatic cylinder, or another cylinder structure. The shapes of the exhaust portion 121 and the first flow restriction portion 112 may be the same or different, and may be selected according to needs.

As shown in fig. 2 to 4, the outlet portion 122 is connected to the plurality of air discharge portions 121, so that the air in the cooking cavity 210 can be discharged through the plurality of air discharge portions 121, which facilitates quick and stable discharge of the air.

Spaces are reserved between the adjacent exhaust parts 121, second airflow spaces 125 are formed between the exhaust parts 121 and the outlet part 122 to provide sufficient flowing space for gas, and sound waves are in contact with the wall surfaces of the exhaust parts 121 and the wall surfaces of the outlet part 122, so that the sound waves can be weakened, the effects of noise elimination and noise reduction are achieved, and meanwhile, the first flow limiting parts 112 are conveniently sleeved on the outer sides of the exhaust parts 121.

One outlet portion 122 is located at the outer periphery of the plurality of exhaust portions 121, that is, one outlet portion 122 surrounds the plurality of exhaust portions 121, which can simplify the structure of the second cover 120.

Of course, it is also possible to provide an outlet portion on the outside of each exhaust portion, one outlet portion fitting over the outside of one exhaust portion.

It will be appreciated that a difference in spacing is provided between the outlet portion 122 and the first flow restriction 112 along the length of the first flow restriction 112 to allow gas to flow from between the first flow restriction 112 and the outlet portion 122 to the exhaust port 115.

Of course, a part of the outer wall of the first flow restriction portion 112 may be located inside the outlet portion 122 with a gap between the outer wall of the first flow restriction portion 112 and the inner wall of the outlet portion 122. That is, the outlet 122 may be partially disposed on the outer side of the first flow restriction 112, and the gas flows out of the second gas flow space 125 through the gap between the outlet 122 and the first flow restriction 112, so as to increase the gas flow path, and weaken the sound wave during the gas flow process, thereby reducing the noise.

Next, the structure of the first lid and the second lid will be described based on the first restrictor being fitted around the outside of the exhaust unit (not shown).

In some cases, the exhaust portion is sleeved outside the first flow-limiting portion, the first cover body is provided with a second flow-limiting portion, the second flow-limiting portion is connected to the main body portion and located on an outer ring of the first flow-limiting portion, a first airflow space between the second flow-limiting portion and the first flow-limiting portion communicates the exhaust gap with the exhaust port, and gas in the exhaust channel enters the exhaust gap, is exhausted from the exhaust gap, and then enters the first airflow space. In the gas flowing process, sound waves are weakened in multiple stages, and noise can be effectively eliminated.

When a plurality of exhaust parts are arranged, the gas in the cooking cavity can be exhausted through a plurality of exhaust channels, so that the gas is effectively exhausted; with a plurality of exhaust portion matches, first current-limiting portion sets up a plurality ofly for all form exhaust clearance between every exhaust portion and the first current-limiting portion, guarantee exhaust effect and noise reduction. The second current-limiting portion is located the outer lane of a plurality of first current-limiting portions, and the second current-limiting portion surrounds a plurality of first current-limiting portions promptly, all is provided with the interval between second current-limiting portion and every first current-limiting portion, all is provided with the interval between the adjacent first current-limiting portion to form first air current space, first air current space's spatial dimension is big, makes things convenient for gas to flow, can also fully eliminate the noise and fall the noise.

Wherein, the first flow restriction part can be a hollow cylinder or a solid cylinder. When the first flow limiting part is a hollow cylinder, the gas in the area directly communicated with the exhaust gap in the exhaust channel is directly exhausted through the exhaust gap, and part of the gas in the exhaust channel corresponding to the first flow limiting part can be subjected to the resistance of the body part and then is exhausted through the exhaust gap by changing the direction of the gas flow. When the first flow limiting part is a solid cylinder, the gas in the area directly communicated with the exhaust gap in the exhaust channel is directly exhausted through the exhaust gap, and the other part of the gas in the exhaust channel changes the flowing direction after being subjected to the resistance of the bottom surface of the first flow limiting part and is exhausted through the exhaust channel. The first flow limiting part has various structures and can be selected specifically according to requirements.

Next, on the basis that the first flow restriction portion 112 is sleeved on the outer side of the exhaust portion 121, and the exhaust portion 121 is sleeved on the outer side of the first flow restriction portion 112, the matching structure of the first cover body 110 and the second cover body 120 and the size relationship between the first flow restriction portion 112 and the exhaust portion 121 are provided.

Referring to fig. 1 and 2, a cavity 140 is formed between the first cover 110 and the second cover 120, and the exhaust gap 150 is communicated with the exhaust port 115 through the cavity 140, so that a flowing space of the gas is large, and the gas is conveniently and stably exhausted from the exhaust port 115.

The cavity 140 surrounds the periphery of the vent gap 150 such that the gas from the vent gap 150 enters various regions of the cavity 140. When a second airflow space is formed between the exhaust part and the outlet part, the exhaust gap, the second airflow space and the cavity are communicated to realize exhaust ventilation.

One or more exhaust ports 115 are opened at a partial position of the first cover 110. As shown in fig. 2 and 5, the first cover 110 has a vent 115, and the cavity 140 can exhaust the gas in the plurality of exhaust gaps 150 through the vent 115, so that the structure is simple and the exhaust can be concentrated. When the first cover is provided with a plurality of air vents (not shown), a plurality of positions of the first cover can be dispersed for exhausting air, and the positions and the number of the air vents can be selected according to requirements.

The second cover 120 further has a connecting portion 123, the connecting portion 123 is connected to the outlet portion 122, a cavity 140 is formed between the connecting portion 123 and the main portion 111 of the first cover 110, and the first cover 110 and the second cover 120 have a simple structure.

The connecting portion 123, the outlet portion 122 and the exhaust portion 121 of the second cover 120 are integrally formed, such as extrusion molding, injection molding, etc., and have a simple structure, are convenient to process, and have a small number of parts. The main body 111 and the first restrictor 112 of the first cover 110 are also formed as a single piece, such as by extrusion molding or injection molding.

The first cover body 110 and the second cover body 120 are detachably connected with the connecting portion 123 through the body portion 111, the body portion 111 and the connecting portion 123 can be fixed in a plugging manner, a clamping manner, an adhering manner, a magnetic attraction manner, a fastener connection manner and the like, and the fixing manner is simple. A sealing structure, such as a gasket, a sealing ring, etc., may be disposed between the body 111 and the connecting portion 123 to ensure a sealing effect between the body 111 and the connecting portion 123, so as to prevent air from leaking between the body 111 and the connecting portion 123 and exhaust the air through the exhaust port 115.

Referring to fig. 1 and 6, the first flow limiting portion 112 includes a first segment 113 and a second segment 114 connected to each other, the first segment 113 and the exhaust portion 121 are sleeved with each other (the first segment 113 is sleeved on the outer side of the exhaust portion 121, or the exhaust portion 121 is sleeved on the outer side of the first segment 113), the end of the second segment 114 is connected to the body portion 111, and the length of the first segment 113 is smaller than that of the first flow limiting portion 112, so that the gas can smoothly flow out through the exhaust gap 150, the flowability of the gas is ensured, and the noise reduction effect is also ensured.

The length H1 of the first segment 113 is greater than or equal to 1/3 of the total length H2 of the first flow limiting part 112, the length H1 of the first segment 113 is less than or equal to 3/4 of the total length H2 of the first flow limiting part 112, the noise elimination and reduction effects are better, the positioning and the installation of the first flow limiting part 112 and the exhaust part 121 are facilitated, and the structure of the first flow limiting part 112 is more stable.

It can be understood that the length H1 of the first section 113 is greater than or equal to 3mm to ensure the length of the exhaust gap 150, so that the sound waves are sufficiently attenuated in the exhaust gap 150, and the sound attenuation and noise reduction effects are better.

It will be appreciated that the cross-sectional area of the exhaust gap 150 is less than or equal to half the cross-sectional area of the exhaust passage 124 so that the exhaust gap 150 is substantially noise-reducing.

The cross-sectional area is understood to mean the cross-sectional area perpendicular to the height direction, i.e. the cross-sectional area in the horizontal direction.

It is understood that the inner diameter D1 of the first flow restriction portion 112 is greater than the outer diameter D2 of the exhaust portion 121, and the difference between D1 and D2 is greater than or equal to 0.5mm and less than or equal to 3mm, so as to ensure the noise elimination and reduction effects.

Referring to fig. 1, when the lid assembly 100 further includes the lid body 130, the lid body 130 covers the opening of the food processing chamber 210 of the machine body 200, the second lid 120 is connected to the lid body 130 through the outlet portion 122, and the connection between the second lid 120 and the lid body 130 is simple.

The outer wall sealing connection of export portion 122 is in the mounting hole of lid body 130 to guarantee that the gaseous exhaust route along exhaust passage 124 to gas vent 115 of cooking chamber 210 in discharges, avoid gaseous excessive from the mounting hole, guarantee that gaseous all concentrates the exhaust from gas vent 115 through making an uproar, deceleration, avoid many places dissipation gas, help promoting user experience.

As shown in fig. 1, a sealing member 300 is sleeved on the outer side of the outlet portion 122, and the sealing member 300 is in interference fit with the inner wall of the mounting hole to ensure the sealing effect.

The embodiment of the second aspect of the present invention, referring to fig. 7, provides a food processor, comprising a housing 200 and the cover assembly 100 in the above embodiment, wherein a food processing cavity 210 with an opening is formed in the housing 200, and the cover body 130 covers the opening. The cover assembly 100 has the above-mentioned advantages, and the food processor has the above-mentioned advantages, which are not described herein again.

Form cooking chamber 210 in the organism 200, be provided with stirring cutter 220 in the cooking chamber 210, cooking chamber 210's the outside is provided with and is suitable for drive stirring cutter 220 pivoted actuating mechanism, and under actuating mechanism's drive power effect, stirring cutter 220 rotates, and stirring cutter 220 pivoted in-process can carry out operations such as breakage, stirring, realizes the processing to the material.

Under some circumstances, organism 200 still has set the heating member, through the heating member for cooking the material heating in the chamber 210, be heated to the boiling at the material, then steam upflow in cooking the chamber 210, pressure in cooking the chamber 210 also increases for gas in cooking the chamber 210 need be discharged through gas vent 115, gas discharges according to foretell exhaust route, can play the effect of eliminating the noise and making an uproar and reducing the gaseous emission velocity of flow, helps promoting user experience.

The cooking machine can be broken wall machine, soybean milk machine, mixer, frying pan, thermos, constant temperature kettle etc. and the kind of cooking machine is various, and the cooking machine of other functions also can.

Next, referring to fig. 1 to 7, an example in which the illustrated food processor is a wall breaking machine will be described.

As shown in fig. 7, the lid assembly 100 covers the opening above the machine body 200, the machine body 200 includes a cup body formed with a food processing cavity 210 and an electric control assembly located below the cup body, and the electric control assembly is used for driving the stirring cutter 220 in the cup body to rotate and controlling the heating member to heat the food material in the food processing cavity 210. The cover assembly 100 includes a cover body 130, a first cover body 110 and a second cover body 120, the cover body 130 covers an opening above the machine body 200, the second cover body 120 covers the cover body 130, the first cover body 110 covers the second cover body 120, and the cover body 130, the first cover body 110 and the second cover body 120 are matched to realize ventilation and exhaust of the food processing cavity 210 and also perform noise elimination and reduction while exhausting. The outlet portion 122 of the second cover body 120 is hermetically connected to the mounting hole of the cover body 130 through a sealing member 300, the outlet portion 122 of the second cover body 120 surrounds the plurality of exhaust portions 121, the first flow limiting portion 112 of the first cover body 110 is sleeved outside the exhaust portions 121, an exhaust gap 150 is formed between the first flow limiting portion 112 and the exhaust portions 121, a second airflow space 125 is formed between the exhaust portions 121 and the outlet portion 122, a cavity 140 is formed between the body portion 111 of the first cover body 110 and the connecting portion 123 of the second cover body 120, the exhaust channel 124, the exhaust gap 150, the second airflow space 125, the cavity 140 and the exhaust port 115 of the first cover body 110 are sequentially communicated to form an exhaust path, a path of gas flowing in the cover body 130 is increased, noise elimination and reduction effects can be achieved, and gas flowing can be slowed down.

In some cases, an adjusting member capable of switching between a sealing state and a ventilation state is disposed in the exhaust passage 124 of the exhaust portion 121, so that the food processing cavity 210 can be switched between the sealing state and the ventilation state, exhaust can be performed as required, and when exhaust is not required, the food processing cavity 210 can be kept sealed, so that the food processing cavity 210 can process food materials in a pressure maintaining state.

Wherein, the adjusting piece can be a silica gel pad with a cross cut, when the pressure in the cooking cavity 210 can jack the cross cut, the adjusting piece is in a ventilation state, the exhaust channel 124 is in a ventilation state, and the exhaust path is opened; when the pressure in the cooking cavity 210 cannot push the cross-shaped notch, the exhaust passage 124 is in a sealed state, and the whole exhaust path is blocked.

The first flow restriction part 112 includes a first segment 113 and a second segment 114, the first segment 113 is sleeved outside the exhaust part 121, the first segment 113 is connected to the body part 111 through the second segment 114, a length H1 of the first segment 113 is greater than 3mm, a length H2 of the second segment 114, and a relationship between the length H1 of the first segment 113 and a total length H2 of the first flow restriction part 112 is as follows: h1 ≧ 1/3H2, H1 ≦ 3/4H2. The inner diameter D1 of the first flow restriction portion 112 is greater than the outer diameter D2 of the exhaust portion 121, wherein the difference between D1 and D2 is greater than or equal to 0.5mm and less than or equal to 3mm, and the cross-sectional area of the exhaust gap 150 between the first flow restriction portion 112 and the exhaust portion 121 is less than or equal to half of the cross-sectional area of the exhaust passage 124, i.e., the difference between the cross-sectional area of the first flow restriction portion 112 and the cross-sectional area of the exhaust portion 121 is less than or equal to half of the cross-sectional area of the exhaust portion 121.

The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.

Claims (10)

1. A cover assembly, comprising:

the first cover body is provided with a body part and a first flow limiting part, and the body part is provided with an exhaust port;

the second lid is provided with exhaust portion, the second lid is located one side of first lid, first current-limiting portion with a cover in exhaust portion establishes in the outside of another one, first current-limiting portion with be formed with the exhaust clearance between the exhaust portion, exhaust portion is formed with the exhaust passage who is suitable for intercommunication arrange chamber, the exhaust passage exhaust clearance and the gas vent intercommunication forms exhaust route.

2. The lid assembly as set forth in claim 1, wherein the first flow restriction portion is provided outside the exhaust portion, the second lid body is provided with an outlet portion located at an outer periphery of the exhaust portion, and a second air flow space between the outlet portion and the exhaust portion communicates the exhaust gap with the exhaust port;

or the exhaust part is sleeved outside the first flow limiting part, the first cover body is provided with a second flow limiting part, the second flow limiting part is connected to the body part and is positioned on the outer ring of the first flow limiting part, and a first airflow space between the second flow limiting part and the first flow limiting part is communicated with the exhaust gap and the exhaust port.

3. The cover assembly of claim 2, wherein the outlet portion is connected to and located at an outer periphery of the plurality of exhaust portions, or wherein the second flow restriction is located at an outer periphery of the plurality of first flow restrictions.

4. The lid assembly of claim 2, further comprising a lid body adapted to close the cooking chamber having an opening, wherein the outer wall of the outlet portion is sealingly attached to the mounting hole of the lid body.

5. The cover assembly of claim 2, wherein a difference in distance is provided between the outlet portion and the first flow restriction portion along a length direction of the first flow restriction portion, or a portion of an outer wall of the first flow restriction portion is located inside the outlet portion with a gap left between the outer wall of the first flow restriction portion and an inner wall of the outlet portion.

6. The lid assembly of any one of claims 1-5, wherein a cavity is formed between the first lid and the second lid, and the vent gap communicates with the vent port through the cavity.

7. The cap assembly of any one of claims 1 to 5, wherein the first restrictor includes a first segment and a second segment connected to each other, the first segment is fitted to the exhaust portion, an end of the second segment is connected to the body portion, and a length of the first segment is equal to or greater than 1/3 and equal to or less than 3/4 of a length of the first restrictor.

8. The cover assembly of claim 7, wherein the length of the first segment is equal to or greater than 3mm.

9. The cap assembly of any one of claims 1 to 5, wherein a difference between an inner diameter of the first flow restriction and an outer diameter of the vent part is equal to or greater than 0.5mm and equal to or less than 3mm, and a cross-sectional area of the vent gap is equal to or less than half a cross-sectional area of the vent passage.

10. A food processor, comprising a machine body and the cover assembly of any one of claims 1 to 9, wherein the machine body forms the food processing chamber with an opening therein, and the cover assembly covers the opening.

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