CN210043847U - A silence cover and cooking machine for cooking machine - Google Patents

Abstract

The application provides a silence cover and cooking machine for cooking machine, it can reduce steam exhaust's noise at the during operation. Wherein, the cooking machine is including the stirring cup that is used for holding edible material, and this silence cover is including the cover body and go out the air cover. The cover body is used for shielding the stirring cup of the food processor. The air outlet cover is arranged on the cover body and forms a space for accommodating the stirring cup together with the cover body. The air outlet cover comprises a bracket and a cover plate assembled on the bracket, the bracket and the cover plate jointly enclose a steam channel, and the space is communicated with the outside through the steam channel; and a sealing ring is arranged at the joint of the bracket and the cover plate.

Description

A silence cover and cooking machine for cooking machine

Technical Field

The application relates to the food processing field, especially relates to a silence cover and cooking machine for cooking machine.

Background

In order to reduce the influence of the whipping noise on a user, a mute cover can be additionally arranged outside the food processor. And an air outlet cover can be arranged on the mute cover, so that steam generated by heating can be smoothly discharged.

However, the noise reduction effect of the related food processor still has room for improvement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can be used to cooking machine's silence cover and cooking machine, it both can guarantee to stir the produced steam of cup internal heating and can in time discharge, also can reduce the produced noise of stirring cup in the course of the work (for example, the whipping).

In order to achieve the above object, the embodiment of the present invention provides in a first aspect a silence cover for a food processor, the food processor includes a stirring cup for containing food materials. Wherein, the mute cover comprises a cover body and an air outlet cover;

the cover body is used for shielding a stirring cup of the food processor;

the air outlet cover is arranged on the cover body and forms a space for accommodating the stirring cup together with the cover body;

the air outlet cover comprises a bracket and a cover plate assembled on the bracket, the bracket and the cover plate jointly enclose a steam channel, and the space is communicated with the outside through the steam channel; and a sealing ring is arranged at the joint of the bracket and the cover plate.

Optionally, the air outlet cover has a bottom wall, a top wall and a retaining wall disposed between the bottom wall and the top wall, and the bottom wall, the top wall and the retaining wall together enclose the steam channel;

at least one part of the retaining wall is spiral; the sealing ring is annular and covers the retaining wall.

Optionally, the retaining wall is integrally connected with the bottom wall and forms the support, the top wall serves as the cover plate, and the sealing ring is located between the top wall and the upper end of the retaining wall;

or, the barricade with the roof is integrative to link to each other, and constitutes the apron, the diapire is as the support, the sealing washer is located the diapire with between the lower extreme of barricade.

Optionally, a groove is formed in the lower surface of the top wall, and a protrusion matched with the groove is formed on the upper surface of the sealing ring; or,

a groove is formed in the upper surface of the bottom wall, and a protrusion matched with the groove is formed in the lower surface of the sealing ring.

Optionally, the protrusions include a first protrusion along an inner edge of the seal ring and a second protrusion along an outer edge of the seal ring.

Optionally, a central region of the bottom wall is provided with a steam inlet communicating the steam channel with the space;

a steam outlet which is communicated with the steam channel and the outside is arranged in the edge area of the air outlet cover;

the retaining wall spirals from the steam inlet to the steam outlet.

Optionally, the height of the upper surface of the bottom wall is reduced from outside to inside.

Optionally, the sealing ring is arranged between the bracket and the cover plate in a compressed state, and the contracted size of the sealing ring is not more than 3 mm; and/or the first and/or second light sources,

the thickness of the sealing ring is not less than 0.5 mm.

The embodiment of the utility model provides a cooking machine, cooking machine includes:

the food mixing cup is used for containing food materials, and an opening for discharging steam is formed in the food mixing cup; and the mute cover provided by the above first aspect.

Optionally, an annular wall is arranged between the stirring cup and the silencing cover, and the annular wall encloses a steam collecting cavity;

the lower end of the steam collecting cavity is communicated with the opening which is arranged on the stirring cup and used for discharging steam, and the upper end of the steam collecting cavity is communicated with the steam channel.

The silence cover and the cooking machine of above-mentioned embodiment, because the existence of the steam channel etc. on giving vent to anger the lid, satisfy the demand of timely discharge steam, improve the anti-overflow effect to guarantee the stable of giving vent to anger the lid through the sealing washer and sealed, show to promote and stabilize noise reduction effect.

Drawings

Fig. 1 to 3 are structural diagrams of a food processor according to an exemplary embodiment of the present invention, wherein fig. 1 is an exploded view of the food processor, fig. 2 is a perspective view of the food processor, and fig. 3 is a sectional view of the food processor;

fig. 4-7 are schematic structural diagrams of the air outlet cover in the food processor, wherein fig. 4 and 6 are exploded structural views of the air outlet cover, and fig. 5 and 7 are related dimension labels in the air outlet cover.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" includes two, and is equivalent to at least two. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Fig. 1 to fig. 3 are structural diagrams of a food processor according to an exemplary embodiment of the present invention. Fig. 1 is an exploded view of the food processor, fig. 2 is a perspective view of the food processor, and fig. 3 is a sectional view of the food processor. Fig. 4-7 are schematic structural views of the air outlet cover in the food processor. Wherein, fig. 4 and 6 are exploded structural views of the air outlet cover, and fig. 5 and 7 are related dimension marks in the air outlet cover.

The processor can be a wall breaking machine, a juice extractor, a soybean milk machine or other food processing appliances with heating function.

In the present embodiment, the food processor 100 is provided with a whipping device and a heating device, and has the functions of whipping food materials and heating food materials. Furthermore, the food processor 100 is provided with a controller for controlling the operation of the whipping device and the heating device as well as other components.

As shown in fig. 1 to 3, the food processor 100 includes a base 50, a stirring cup 40 and a mute cover 20. The mixing cup 40 is placed above the base 50 and the mute cover 20 is placed around the mixing cup 40.

The lower end surface of the stirring cup 40 and the upper end surface of the machine base 50 can be provided with mutually matched conductive contacts. The conductive contacts may be conventional electrical connectors. After the mixing cup 40 is placed on the base 50, the conductive contacts are connected, so that the mixing cup 40 is electrically connected with the base 50, and the motor, the power supply (or the power adapter), the controller and the like arranged in the base 50 can respectively provide support for the cutter, the heating resistance wire and the like arranged in the mixing cup 40 in terms of power, power supply, signal control and the like. The knife as used herein is to be understood broadly and may be a crushing blade, a grinding wheel, a broke screw, etc.

In other embodiments, the blender cup 40 and the base 50 may be an integral part. For example, the stirring cup 40 may be provided as a part of the housing 50 which is not detachable.

The blender cup 40 may include a cup body 41, an inner lid 43, and a center lid 45. The inner lid 43 and the central lid 45 together form a cup lid. The lid and the cup 41 together enclose a space 412 for containing and processing food materials. In other embodiments, the inner lid 43 and the central lid 45 may be a non-detachable unitary structure, or the blender cup 40 may have only the inner lid 43 and no central lid 45.

A large opening is formed centrally above the inner lid 43 so that the opening can be used as a feed opening when required. Of course, the opening may also serve as a vent for steam generated by heating within the blender cup 40. After the center cover 45 is mounted on the inner cover 43, a major portion of the opening is covered by the center cover 45, but a smaller opening 453 is formed as a steam outlet. Steam generated by heating in the blender cup 40 may enter the mute hood 20 through the opening 453.

The mute cover 20 surrounds at least the cup body 41 of the mixing cup 40, so that noise generated by stirring in the cup body 41 can reach the outside after being filtered or shielded twice by the cup body 41 and the mute cover 20. Thus, the noise of the food processor 100 can be reduced.

The mute cover 20 may be installed on an upper end surface of the housing 50. The above-mentioned installation mode makes the mute cover 20 not cover the base 50, but only shields the main part of the mixing cup 40, which is beneficial to reducing the volume of the mute cover 20. For example, an installation groove may be formed on the upper surface of the base 50. The mounting of the mute cover 20 is achieved by inserting the pins 224 at the lower end of the mute cover 20 into the mounting slots. In addition, the base 50 and the mute cover 20 may be respectively provided with a projection 525 and a locking hole 225, and the fixing of the mute cover 20 and the base 50 may be reinforced by the cooperation of the projection 525 and the locking hole 225.

The cover body 21 of the mute cover 20, which plays a main shielding role, includes a first cover 22 and a second cover 24, and the second cover 24 is rotatably mounted on the first cover 22. The first cap 22 includes three connected sidewalls 220. The second cover 24 includes three side walls 240 and a top wall 242, the top wall 242 having an opening 246 disposed therein. After rotating to the closed position, the side wall 220 of the first cover 22 and the side wall 240 of the second cover 24 together form a side wall of the cover body 21, and the top wall 242 of the second cover 24 serves as a top wall of the cover body 21. The housing 21 and the base 50 define a substantially enclosed space, except at the opening 246, in which the blender cup 40 is received.

When it is desired to remove or insert the blender cup 40, the second cap 24 is simply rotated. In addition, to facilitate the operation of the rotation of the second cover 24, a handle 245 for the user to hold may be provided on the second cover 24. To reduce the height of the handle 245, a recess 243 may be provided on the surface of the second cover 24, and the handle 245 may be disposed in the recess 243.

In other embodiments, the cover 21 may be integrally formed and no longer assembled from multiple pieces.

The mute cover 20 includes an air outlet cover 27 in addition to the cover body 21. The air outlet cover 27 is provided at the opening 246 of the cover body 21. The air outlet cover 27 mounted on the cover body 21 covers the opening 246, so that the noise reduction cover 20 and the base 50 form a substantially closed space 23 for accommodating the mixing cup 40 therein. The air outlet cover 27 includes a bracket 26 and a cover plate 28 assembled to the bracket 26. The bracket 26 and the cover plate 28 together define a steam passage 274, and the space 23 defined by the silent cover 20 and the housing 50 is communicated with the outside through the steam passage 274. A seal ring 29 is provided at the joint between the bracket 26 and the cover plate 28. In other embodiments, the air outlet cover 27 may be assembled from more components or integrally formed.

Referring to fig. 4 to 7, the air outlet cover 27 has a bottom wall 262, a top wall 282, and a retaining wall 263 disposed between the bottom wall 262 and the top wall 282. Wherein the bottom wall 262, the top wall 282 and the retaining wall 263 together enclose a steam channel 274. At least a portion of the retaining wall 263 is helical, i.e., the vapor passage 274 is helical.

A steam inlet 261 is formed in a central region of the bottom wall 262, and the steam inlet 261 is communicated with the space 23 formed by the mute cover 20 and the housing 50; the edge region of the outlet cover 27 is provided with a steam outlet 267 communicating with the outside. The "central region" and the "edge region" are relative terms, and are not required to be located at the exact center or the outermost side.

The transverse cross-section of the retaining wall 263 is spiral from the steam inlet 261 to the steam outlet 267. Correspondingly, the steam channel 274 is spiral-shaped. In such a case, the amplitude of the sound waves passing through the steam channel 274 may be significantly reduced, thereby significantly reducing the noise generated by operation (e.g., whipping) within the blender cup 40. Generally, the more tortuous the vapor passage 274, the more significant the noise reduction effect. Namely, the spiral steam channel can meet the requirement of timely discharging steam, improve the anti-overflow effect and obviously reduce noise.

In the spiral-shaped retaining wall 263, the clearance formed by the retaining wall 263 (i.e., the width of the steam passage 274) is preferably greater than 0.5 millimeters (mm) to facilitate rapid discharge of steam.

Alternatively, two spiral retaining walls 263 are provided, which are staggered to form two spiral steam channels 274. In other embodiments, the number of the spiral-shaped retaining walls 263 can be one, as shown in fig. 5; there may be more, such as 3, 4, etc. Furthermore, in addition to the spiral-shaped retaining wall 263, other types of retaining walls may be included, which may be used in combination with the spiral-shaped retaining wall 263 to achieve the desired effect. Therefore, the invention also belongs to the protection scope of the invention.

The packing 29 has a ring shape and covers the retaining wall 263 to block the steam passage 274 so that the steam can be discharged out of the outlet cover 27 only through the steam passage 274.

The steam passage 274 communicates with the space outside the silent cover 20 and the space 23 formed by the silent cover 20 and the base 50, so that the steam generated during the heating process of the mixing cup 40 can freely flow out to the outside through the steam passage 274, thereby avoiding the over-high air pressure in the mixing cup 40 and improving the exhaust and anti-overflow effects. The cover plate 28 and the bracket 26 are cushioned and blocked by the sealing ring 29. When steam is exhausted through the steam passage 274, the seal ring 29 reduces vibration between the cover plate 28 and the bracket 267 caused by steam impact, thereby reducing noise and stabilizing noise. Moreover, the sealing ring 29 improves the sealing performance of the steam channel 274, so that the steam in the space 23 can be discharged only through the spiral steam channel 274, and the exhaust noise generated by the air leakage point between the cover plate 28 and the bracket 26 is avoided.

In one embodiment, as shown in fig. 4-7, the retaining wall 263 is integrally connected to the bottom wall 262 and constitutes the support 26. The top wall 282 serves as the cover plate 28 and the gasket 29 is located between the top wall 282 and the upper end of the retaining wall 263. In this embodiment, a groove 285 is formed on the lower surface of the top wall 282, and a protrusion 291 which is fitted into the groove 285 is formed on the upper surface of the packing 29.

The cover plate 28 further includes an outer wall 281 and an inner wall 284 connected to the top wall 282, the outer wall 281 and the inner wall 284 are both annular, the inner wall 284 is disposed within the outer wall 281, and the recess 285 of the top wall 282 is disposed between the outer wall 281 and the inner wall 282. The seal ring 29 includes an opening 294 in a central region, and a projection 291 is formed on an upper surface of the seal ring 29. During assembly, the seal 29 is disposed within the outer wall 281, the opening 294 is received within the inner wall 284, and the projection 291 is disposed within the recess 285 to provide a stable sealing engagement with the top wall 282.

Alternatively, a first recess 2851 is formed in the lower surface of the top wall 282 along the inner side of the outer wall 281 and a second recess 2851 is formed along the outer side of the inner wall 284. A first protrusion 292 is formed at the edge of the opening 294 of the sealing ring 29 and can be placed in the first groove 2851; a second protrusion 293 is formed on the outer edge of the sealing ring 29 and is received in the second recess 2852. Also, the seal ring 29 may optionally be integrally formed on the bottom wall 262.

In another embodiment, the retaining wall 263 is integrally connected to the top wall 282 and forms the cover plate 28, the bottom wall 262 serves as the support 26, and the sealing ring 29 is located between the bottom wall 262 and the lower end of the retaining wall 263. In this embodiment, a groove 285 is formed on the upper surface of the bottom wall 262, and a projection 291 which is fitted into the groove 285 is formed on the lower surface of the seal ring 29. Optionally, the seal ring 29 is integrally formed on the top wall 282.

It should be noted that the drawings provided in the embodiments of the present invention all use the retaining wall 263 disposed on the bottom wall 262 as an example.

The packing 29 is disposed between the bracket 26 and the cover plate 28 in a compressed state. The compressed, tightened state of the sealing ring 29 may be achieved by any one or more of the following conditions: the outer diameter of the sealing ring 29 is larger than or equal to the outer circumference of the retaining wall 263, and as shown in fig. 5, the diameter D1 of the sealing ring 29 is larger than the maximum diameter D2 of the steam passage 274 formed by the retaining wall 263. The inner diameter of the sealing ring 29 is smaller than or equal to the inner ring size of the retaining wall 263. As shown in fig. 7, the sealing ring 29 is interference-fitted with the retaining wall 263.

When the sealing ring 29 has the above three conditions, the sealing ring 29 seals the entire steam passage 274, thereby achieving a complete and effective seal of the steam passage 274. Optionally, dimension a2 of seal ring 29 tightened does not exceed 3 millimeters (mm), and thickness a1 of the portion of seal ring 29 not provided with projection 291 is greater than 0.5 millimeters (mm).

The ring-shaped sealing ring 29 is easier to secure than a sheet-like sealing assembly. And, through the cooperation of arch 291 and recess 285, strengthen the stability of sealing washer 29, guarantee the effective shock attenuation and the sealed effect of sealing washer 29 to lid 28 and support 26.

To facilitate the assembly of the bracket 26 and the cover plate 28, a protrusion 2811 is disposed on the outer wall 281 of the cover plate 28. The bracket 26 includes an annular outer periphery 266 connected to the outer edge of the bottom wall 262, the outer periphery 266 being notched to form a steam outlet 267. And the inner surface of the periphery 266 is provided with an axial clamping groove 264 and a circumferential clamping groove 265 which are connected, and the axial clamping groove 264 and the circumferential clamping groove 265 are matched with the convex blocks 2811. The upper end of the axial locking groove 264 forms an opening on the periphery 266, and the lower end of the axial locking groove 264 is communicated with the circumferential locking groove 265 distributed along the circumferential direction of the periphery 266.

When the cover plate 28 and the bracket 26 are assembled, the protrusion 2811 is aligned with the opening of the axial slot 264 and inserted into the axial slot 264, and the cover plate 28 is rotated after the protrusion 2811 is located at the bottom of the axial slot 264, so that the protrusion 2811 enters the circumferential slot 265, and the cover plate 28 and the bracket 26 are fixed.

Also, to facilitate assembly of cover 28 with bracket 26, an ear plate 283 is provided on top wall 282 projecting outwardly from the edge to facilitate handling of cover 28 by an operator.

When the steam is discharged to the outside, part of the steam may be condensed into a liquid state due to a change in temperature, etc. This condensate, whether it accumulates in the outlet cover 27 or flows down the wall of the mixing cup 40 to the base 50 in a large scale, can have adverse consequences. Through the spiral steam channel, condensed water can flow back to the stirring cup 40, so that hidden dangers can be eliminated, and steam can be recycled.

Since the steam inlet 261 is provided at the center of the outlet cover 27 and the steam outlet 267 is provided at the edge of the outlet cover 27, the height of the upper surface of the bottom wall 262 can be set to gradually decrease from the outside to the inside. This will further facilitate the return of the condensed water.

The air outlet cover 27 may be mounted to the housing 21 using a conventional snap-fit structure. For example, a protrusion may be provided on the outer edge of the air outlet cover 27, and a locking groove may be provided at the opening 246 of the cover 21. The air outlet cover 27 can be fixed on the cover body 21 by matching the clamping groove and the bump.

In addition to the snap-fit structure described above, there are many ways in which the mounting of the outlet cap 27 can be accomplished. For example, an external thread may be provided on the outer surface of the air outlet cap 27, and an internal thread may be provided on the inner surface of the opening 246 of the cover body 21, so that the air outlet cap 27 can be quickly mounted through the internal thread and the external thread.

In addition, the locking structure between the air outlet cover 27 and the cover 21 is not required, and the air outlet cover 27 is simply placed at the opening 246 of the cover 21. Furthermore, the air outlet cover 27 may be integrally formed on the cover body 21.

An annular wall 432 may also be provided between the lower mixing cup 40 and the upper quiet shield 20. The annular wall 432 encloses a steam collection chamber 270, the lower end of the steam collection chamber 270 is communicated with an opening 453 arranged on the stirring cup 40 for steam discharge, and the upper end of the steam collection chamber 270 is communicated with the steam inlet 261 arranged on the air outlet cover 27. Thus, steam exiting blender cup 40 is collected by annular wall 432 in steam collection chamber 270, enters steam passage 274 through steam inlet 261, and exits through steam outlet 267.

In order to further improve the noise reduction effect, a gasket may be disposed at a contact position between the cover body 21 and the base 50, a gasket may be disposed at a contact position between the cover body 21 and the air outlet cover 27, and a gasket may be disposed at a contact position between the first cover 22 and the second cover 24.

Moreover, providing the walls (e.g., side walls, top wall) of the sound-deadening hood 20 and/or the mixing cup 40 in a double-layer structure also contributes to noise reduction. Between the different layers of the wall sound insulation, sound absorbing material or air may be further filled. Of course, the different layers of the wall may also be replaced by a vacuum without filling any material in between.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims (9)

1. A silence cover for cooking machine, cooking machine (100) is including stirring cup (40) that is used for holding edible material, characterized in that, silence cover (20) includes:

a cover body (21) for shielding a stirring cup (40) of the food processor; and the number of the first and second groups,

the air outlet cover (27) is arranged on the cover body (21) and forms a space (23) for accommodating the stirring cup (40) together with the cover body (21);

the air outlet cover (27) comprises a bracket (26) and a cover plate (28) assembled on the bracket (26), the bracket (26) and the cover plate (28) jointly enclose a steam channel (274), and the space (23) is communicated with the outside through the steam channel (274); a sealing ring (29) is arranged at the joint of the bracket (26) and the cover plate (28);

the air outlet cover (27) is provided with a bottom wall (262) and a top wall (282), a groove (285) is formed on the lower surface of the top wall (282), and a protrusion (291) matched with the groove is formed on the upper surface of the sealing ring (29); or,

a groove (285) is formed in the upper surface of the bottom wall (262), and a protrusion (291) that fits into the groove is formed in the lower surface of the seal ring (29).

2. The mute cover according to claim 1, wherein the air outlet cover (27) further has a retaining wall (263) disposed between the bottom wall (262) and the top wall (282), the bottom wall (262), the top wall (282) and the retaining wall (263) together enclosing the steam channel (274);

at least a portion of the retaining wall (263) is helical; the sealing ring (29) is annular and covers the retaining wall (263).

3. The mute cover according to claim 2, wherein the retaining wall (263) is integrally connected to the bottom wall (262) and constitutes the support (26), the top wall (282) serves as the cover plate (28), and the sealing ring (29) is located between the top wall (282) and the upper end of the retaining wall (263);

or, barricade (263) with roof (282) an organic whole links to each other, and constitutes apron (28), diapire (262) are as support (26), sealing washer (29) are located between diapire (262) and the lower extreme of barricade (263).

4. The cover according to claim 1, characterized in that said protrusions (291) comprise a first protrusion (292) along the inner edge of said sealing ring (29) and a second protrusion (293) along the outer edge of said sealing ring (29).

5. The mute cover according to claim 2, characterized in that the central area of the bottom wall (262) is provided with a steam inlet (261) communicating the steam channel (274) with the space (23);

the edge area of the air outlet cover (27) is provided with a steam outlet (267) which is communicated with the steam channel (274) and the outside;

the retaining wall (263) spirals from the steam inlet (261) to the steam outlet (267).

6. The squealer of claim 5 wherein the height of the upper surface of the bottom wall (262) decreases from the outside to the inside.

7. The silencing cover according to claim 1, characterized in that said sealing ring (29) is arranged in a compressed and tightened condition between said bracket (26) and said cover plate (28), said sealing ring (29) being tightened by a dimension (a2) not exceeding 3 mm; and/or the first and/or second light sources,

the thickness (A1) of the sealing ring is not less than 0.5 mm.

8. A food processor, characterized in that the food processor (100) comprises:

the food mixing device comprises a mixing cup (40) used for containing food materials, wherein an opening (453) used for discharging steam is formed in the mixing cup (40);

the silence cover (20) according to any of claims 1 to 7.

9. The food processor of claim 8, wherein an annular wall (432) is provided between the mixing cup (40) and the mute cover (20), the annular wall (432) enclosing a steam collection chamber (270);

the lower end of the steam collecting cavity (270) is communicated with the opening (453) which is arranged on the stirring cup (40) and used for discharging steam, and the upper end of the steam collecting cavity (270) is communicated with the steam channel (274).

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