WO2018058886A1 - 咖啡机滤网和咖啡机 - Google Patents

咖啡机滤网和咖啡机 Download PDF

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Publication number
WO2018058886A1
WO2018058886A1 PCT/CN2017/074234 CN2017074234W WO2018058886A1 WO 2018058886 A1 WO2018058886 A1 WO 2018058886A1 CN 2017074234 W CN2017074234 W CN 2017074234W WO 2018058886 A1 WO2018058886 A1 WO 2018058886A1
Authority
WO
WIPO (PCT)
Prior art keywords
screen body
coffee machine
screen
coffee
cavity
Prior art date
Application number
PCT/CN2017/074234
Other languages
English (en)
French (fr)
Inventor
任立忠
邝坚
Original Assignee
广东美的生活电器制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201621096196.XU external-priority patent/CN206333757U/zh
Priority claimed from CN201610867667.0A external-priority patent/CN107874621B/zh
Application filed by 广东美的生活电器制造有限公司 filed Critical 广东美的生活电器制造有限公司
Priority to EP17828828.8A priority Critical patent/EP3345516B1/en
Priority to JP2018512426A priority patent/JP6608044B2/ja
Priority to US15/822,212 priority patent/US10806293B2/en
Publication of WO2018058886A1 publication Critical patent/WO2018058886A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/42—Beverage-making apparatus with incorporated grinding or roasting means for coffee

Definitions

  • the invention relates to the field of household appliances, in particular to a coffee machine strainer and a coffee machine.
  • the grinding chamber is usually multiplexed into a brewing chamber.
  • the grinding chamber In order to avoid discharging the coffee grounds from the beverage outlet of the grinding chamber into the user's coffee cup, the grinding chamber is arranged in a cylindrical shape and the ring is arranged in the ring. Grinding the filter around the knife set.
  • it In the process of brewing coffee, it is usually stirred by a grinding knife group, which causes the coffee particles to generate centrifugal force, which causes the coarser coffee particles to rush into the filter net, and finally enters the beverage cup along with the coffee liquid, thus reducing The quality of coffee drinks.
  • the main object of the present invention is to propose a coffee machine strainer which is intended to stir the coffee during the process of restricting the coffee particles from rushing through the filter, thereby improving the quality of the coffee beverage.
  • the coffee machine filter provided by the present invention comprises:
  • a first screen body disposed in a cylindrical shape extending upward and downward;
  • the second screen body is annularly disposed, and the inner ring edge is sealingly connected to the lower portion of the first screen body.
  • the first screen body is integrally provided with the second screen body.
  • the coffee machine screen further comprises a fixing frame, and an axial upper end of the first screen body is fixedly connected with the fixing frame.
  • the first screen body is made of a metal material
  • the fixing frame is made of a plastic material
  • the fixing frame is fixedly connected to the first screen body by injection molding.
  • the first screen body is made of a metal material
  • the second screen body is made of a plastic material
  • the second screen body is fixedly connected to the first screen body by injection molding.
  • any of the filter holes of the second screen body includes a straight hole section that communicates with the upper surface, and a tapered hole section that communicates with the lower surface and that tapers in a direction away from the straight hole section.
  • the pore size of the filter hole of the second screen body on the upper surface ranges from 0.2 mm to 0.8 mm.
  • the distance between the inner ring edge and the outer ring edge of the second screen body ranges from 10 mm to 30 mm.
  • the second screen body extends obliquely downward or obliquely upward in a radially outward direction.
  • the second screen body extends obliquely downward in a radially outward direction, and the inclination angle from the horizontal direction ranges from 1° to 10°.
  • the upper inner peripheral surface of the coffee machine strainer is provided with a plurality of clasps.
  • the mesh size of the first screen body ranges from 80 mesh to 150 mesh.
  • the first screen body is arranged in a divergent manner from bottom to top.
  • the inclination angle between the first screen body and the vertical direction ranges from 5° to 30°.
  • the first screen body is provided with a reinforcing rib
  • the reinforcing rib comprises at least a reinforcing rib ring disposed along a circumferential direction of the first screen body.
  • the lower end of the first screen body is closed.
  • the present invention also provides a coffee machine, comprising:
  • a grinding chamber comprising a cavity and a cover, the cover body covering the cavity to form a grinding cavity, the bottom of the grinding cavity is provided with a beverage outlet;
  • a grinding device comprising: a grinding blade set disposed in the grinding chamber; and a motor disposed outside the polishing cavity for driving the rotation of the grinding blade set;
  • a hot water supply device in communication with the grinding chamber
  • the coffee machine screen comprises a first screen body disposed in a cylindrical shape extending upward and downward; and a second screen body disposed annularly, and the inner ring edge is sealingly connected with the lower portion of the first screen body ;
  • the first screen body is sleeved on the periphery of the grinding blade set, and the lower end is sealingly connected to the bottom of the grinding cavity, and the outer ring edge of the second screen body is sealed with the side wall of the grinding cavity Connecting, the grinding chamber is formed by a region enclosed by the first screen body to form a primary filtering chamber, and other regions of the grinding chamber are divided by the second screen body into a secondary filtering chamber located above and located In the lower beverage chamber, the beverage outlet is connected to the beverage chamber setting.
  • the outer ring edge of the second screen body is provided with a mounting flange extending downward or upward, and the outer peripheral surface of the mounting flange is provided with a positioning ring groove for setting the sealing ring sleeve.
  • the sealing ring abuts against a sidewall of the grinding chamber.
  • the mounting flange extends downwardly, and the lower end of the mounting flange abuts against the bottom wall of the grinding chamber.
  • the first screen body is provided with a reinforcing rib
  • the reinforcing rib comprises at least a reinforcing rib ring disposed along a circumferential direction of the first screen body, the first screen body having the A radially corresponding annular region of the grinding blade set, the reinforcing rib ring being disposed in the annular region.
  • a bottom wall of the cavity is provided with a first boss, a lower end of the first screen body is sealingly abuts against an upper end surface of the first boss, and the second screen body is a lower end of the first screen body is connected, the secondary filter chamber is formed between the first screen body and the sidewall of the cavity, an outer peripheral surface of the first boss and a side wall of the cavity The beverage chamber is formed between.
  • the upper end surface of the first boss is provided with a second boss, and the first screen body is sleeved on the second boss to be positioned in the grinding cavity.
  • a lower end of the first screen body abuts a bottom wall of the cavity, a connection between the second screen body and the first screen body and a lower end of the first screen body Having a distance therebetween, the second filter chamber is formed between the first screen body and the side wall of the cavity above the second screen body, and is located below the second screen body
  • the beverage chamber is formed between the first screen body and the sidewall of the cavity.
  • an upper portion of the coffee machine screen is sealingly connected to the cover; or an upper portion of the coffee machine screen is sealingly connected to the cavity, and the cavity is sealingly connected to the cover.
  • the grinding chamber is divided into a primary filtering chamber, a secondary filtering chamber located at the periphery of the primary filtering chamber, and a beverage chamber located below the secondary filtering chamber, so that in the process of grinding the coffee beans or stirring the coffee Even if coarser coffee particles are flushed through the first screen body into the secondary filter chamber under the action of centrifugal force, the second screen body can restrict the coffee particles to the secondary filter chamber, thereby effectively avoiding coarser The coffee granules enter the beverage cavity and improve the quality of the coffee beverage.
  • FIG. 1 is a schematic structural view of an embodiment of a coffee machine of the present invention
  • FIG. 2 is a schematic view showing the structure between the grinding chamber, the coffee machine filter screen and the grinding knife set of the coffee machine of Figure 1;
  • Figure 3 is a schematic enlarged view of the structure of Figure 2;
  • FIG. 4 is a schematic structural view of a coffee machine strainer of the coffee machine of FIG. 2.
  • the directional indication is only used to explain in a certain posture (as shown in the drawing)
  • the relative positional relationship between the components, the motion situation, and the like if the specific posture changes, the directional indication also changes accordingly.
  • first”, “second”, etc. in the embodiments of the present invention, the description of the "first”, “second”, etc. is used for the purpose of description only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
  • the present invention provides a coffee machine screen, and a coffee machine having the coffee machine screen.
  • the coffee machine comprises:
  • the grinding chamber 1 includes a cavity 11 and a cover 12, the cover 12 covers the cavity 11 to form a grinding chamber 10, and the bottom of the grinding chamber 10 is provided with a beverage outlet 13;
  • the grinding device 2 includes a grinding blade set 21 disposed in the grinding chamber 10, and a motor 22 disposed outside the grinding chamber 10 for driving the rotation of the grinding blade set 21;
  • An electric control device (not shown) electrically connected to the polishing device 2 and the hot water supply device 4 for controlling the operation of the polishing device 2 and the hot water supply device 4;
  • the coffee machine screen 3 disposed in the grinding chamber 10 includes a first screen body 31 disposed in a cylindrical shape extending in the up and down direction and a second screen body 32 disposed in an annular shape, and the second screen body 32
  • the inner ring edge is sealingly connected to the lower portion of the first screen body 31; it can be understood that on the second screen body 32, the direction from the inner ring edge to the outer ring edge is away from the outer peripheral surface of the first screen body 31. ;
  • the first screen body 31 is sleeved on the periphery of the grinding blade set 21, and the lower end is sealingly connected to the bottom of the grinding chamber 10.
  • the outer ring edge of the second screen body 32 is sealingly connected with the side wall of the grinding chamber 10, and the grinding chamber 10 is The area surrounded by the first screen body 31 forms a primary filter chamber 101, and other areas of the grinding chamber 10 are divided by the second screen body 32 into a secondary filter chamber 102 located above and a beverage chamber 103 located below, beverage
  • the outlet 13 is connected to the beverage chamber 103 setting.
  • the grinding chamber 10 is divided into a primary filter chamber 101, a secondary filter chamber 102 located at the periphery of the primary filter chamber 101, and a beverage chamber 103 located below the secondary filter chamber 102.
  • the ground coffee beans are ground.
  • the second sieve body 32 can limit the coffee particles to the second time.
  • the filter chamber 102 is filtered to effectively prevent coarser coffee particles from entering the beverage chamber 103, improving the quality of the coffee beverage.
  • the coffee machine screen 3 is used for the coffee machine in which the grinding chamber 10 can be multiplexed into the brewing chamber; however, the design is not limited thereto, and in other embodiments, the coffee machine screen 3 is also The coffee machine can be used for separating the grinding chamber from the brewing chamber, and is installed in the brewing chamber.
  • the coffee machine strainer 3 is applied to a coffee machine having a separate brewing chamber, the bottom of the brewing chamber is not provided with a grinding blade set, and at this time, the lower end of the first screen body 31 can be set to be closed. So that the primary filter chamber 101 is absolutely isolated from the beverage chamber 103.
  • the first screen body 31 and the second screen body 32 are preferably integrally disposed.
  • the design can realize the integral installation of the coffee machine filter 3 compared to the technical solutions of the two separate bodies. Remove and clean.
  • the first screen body 31 and the second screen body 32 may be an integral injection molded part, a die-cast part or a sheet metal part, etc.; of course, the materials of the first screen body 31 and the second screen body 32 Alternatively, for example, one of the first screen body 31 and the second screen body 32 is made of a metal material, and the other is made of a plastic material, and the plastic material is fixed to the metal material by injection molding.
  • the coffee machine screen 3 further includes a fixing frame 33 (see FIG. 3), and the axially upper end of the first screen body 31 is fixedly connected to the fixing frame 33.
  • the upper portion of the coffee machine screen 3 is fixed to the upper portion of the grinding chamber 10 by the fixing frame 33.
  • the fixing frame 33 is formed with a structure fixed to the upper portion of the grinding chamber 10 (such as, but not limited to, abutting flanges, overlapping flanges, etc.), and the addition of the fixing frame 33 can avoid the need to be used with the grinding chamber.
  • the upper phase fixed structure is directly formed on the upper portion of the first screen body 31, thereby simplifying the structure of the first screen body 31 itself.
  • the first screen body 31 is made of a metal material to ensure good rigidity of the first screen body 31.
  • the first screen body 31 has good rigidity and can improve the ability of the first screen body 31 to withstand the outward impact of the coffee beans and coffee grains.
  • the first screen body 31 is preferably made of a stainless steel material having a strong rigidity to better resist the outward impact of the coffee beans and the coffee particles; of course, in other embodiments, the first filter
  • the mesh body 31 can also be made of other metal materials such as aluminum alloys, titanium alloys, and the like.
  • the fixing frame 33 is made of plastic material.
  • the fixing frame 33 can be conveniently fixed to the axial upper end of the first screen body 31 by injection molding, and the injection molding process is a mature processing technology, which is beneficial to batch processing of the coffee machine filter 3 Manufacturing.
  • the fixing frame 33 is made of a plastic material, and can also facilitate the molding of the fixing frame 33 on the fixing structure of the upper portion of the grinding chamber 10.
  • the fixing frame 33 may also be fixed to the first screen body 31 by bonding or welding.
  • the second screen body 32 is also preferably made of plastic material.
  • the second screen body 32 can be conveniently fixed to the axial lower end of the first screen body 31 by injection molding, and the injection molding process is mature.
  • the processing technology is beneficial to the batch processing and manufacturing of the coffee machine filter 3.
  • the second screen body 32 may also be fixed to the first screen body 31 by bonding or welding.
  • the second screen body 32 may also be made of metal.
  • any filter hole 321 of the second screen body 32 includes communication. a straight hole section 321a of the surface, and a tapered hole section 321b that communicates with the lower surface and is tapered in a direction away from the straight hole section 321a; obviously, the filter hole 321 of the second screen body 32 is connected through the straight hole section 321a.
  • the secondary filter chamber 102, and the beverage chamber 103 are connected through the tapered bore portion 321b.
  • the present design is not limited thereto.
  • any of the filter holes 321 of the second screen body 32 may be a tapered hole that is divergent in a direction away from the secondary filter chamber 102.
  • the filter holes 321 on the second screen body 32 may also be post-punched, and any of the filter holes 321 may be formed as a unitary straight hole.
  • the aperture D of the filter hole 321 of the second screen body 32 on the upper surface is preferably in the range of 0.2 mm to 0.8 mm.
  • the filter hole 321 of the second screen body 32 Finer, coffee grounds can be prevented from entering the beverage chamber 103 from the secondary filter chamber 102.
  • the filter aperture 321 of the second screen body 32 may have a smaller pore size range to enhance the restriction on the coffee grounds.
  • the mesh area of the first screen body 31 preferably ranges from 80 mesh to 150 mesh, and the first mesh body 31 of the mesh range has a mesh with a moderate aperture to make most of the coffee when brewing coffee.
  • the slag is confined in the primary filtration chamber 101.
  • the first screen body 31 may also have a smaller mesh size to reduce the cost of the coffee machine screen 3.
  • the inner ring edges of the second screen body 32 are outside and outside.
  • the distance W between the ring edges is preferably in the range of 10 mm to 30 mm (see Fig. 3).
  • the second screen body 32 in order to prevent the deposition of coffee grounds from blocking the filter holes 321 on the second screen body 32, the second screen body 32 preferably extends obliquely downward or obliquely upward in a radially outward direction, so that the coffee grounds can be
  • the outer ring edge or the inner ring edge of the second screen body 32 flows under the action of its own gravity, and is deposited only on the outer ring edge or the inner ring edge of the second screen body 32.
  • the second screen body 32 since the second screen body 32 is fixed to the axial lower end of the first screen body 31 by injection molding, the second screen body 32 is inclined in a radially outward direction for facilitating demolding. Extend downwards.
  • the inclination angle of the second screen body 32 cannot be too large, otherwise the distance W of the second screen body 32 needs to be large, so as to ensure that the space of the secondary filter chamber 102 is not too small, thereby the second filter screen.
  • the inclination angle ⁇ between the body 32 in the radially outward direction and the horizontal direction preferably ranges from 1 to 10 (see Fig. 2).
  • the radial dimension of the grinding chamber 10 is adapted to the radial dimension of the outer ring edge of the second screen body 32 such that the outer ring edge of the second screen body 32 is tight.
  • the grounding seal abuts against the side wall of the grinding chamber 10, thereby sealingly isolating the secondary filtering chamber 102 from the beverage chamber 103.
  • a first space may be added between the outer ring edge of the second screen body 32 and the side wall of the grinding chamber 10.
  • Sealing ring (not shown).
  • a mounting flange 322 extending downward or upward may be disposed on an outer ring edge of the second screen body 32, and an outer circumferential surface of the mounting flange 322 is reserved with a positioning ring groove for setting the first sealing ring sleeve. 323 to position the first sealing ring on the mounting flange 322.
  • the first seal ring portion protrudes from the positioning ring groove 323 and elastically abuts against the side wall of the grinding chamber 10.
  • the mounting flange 322 is downwardly extended, and the lower end of the mounting flange 322 abuts against the bottom wall of the grinding chamber 10.
  • Another layer of sealing barrier can also provide support for the coffee machine screen 3 at the lower end of the mounting flange 322.
  • the bottom wall of the cavity 11 is provided with a first boss 14, and the lower end of the first screen body 31 is sealingly abutted against the upper end surface of the first boss 14,
  • the second screen body 32 is connected to the lower end of the first screen body 31, and the secondary filter chamber 102 is formed between the first screen body 31 and the side wall of the cavity 11, the outer peripheral surface of the first boss 14 and the cavity
  • the beverage chamber 103 is formed between the side walls of the ellipse 11; it can be understood that the arrangement of the first boss 14 can conveniently separate the second screen body 32 from the bottom wall of the grinding chamber 10, providing the beverage chamber 103 with up and down depth.
  • the upper end surface of the first boss 14 is preferably A second boss 15 is also provided for the first screen body 31 to be sleeved to achieve positioning of the first screen body 31 within the grinding chamber 10.
  • the present design is not limited thereto.
  • the first boss 14 may not be designed such that the lower end of the first screen body 31 directly abuts the bottom wall of the cavity 11, but the second screen body A distance between the junction of 32 and the first screen body 31 and the lower end of the first screen body 31, such that the first screen body 31 and the cavity above the second screen body 32
  • the secondary filter chamber 102 is formed between the side walls of the eleventh
  • the beverage chamber 103 is formed between the first screen body 31 below the second screen body 32 and the side wall of the chamber 11.
  • the second boss 15 for the first screen body 31 can be retained at the bottom of the cavity 11.
  • the first screen body 31 is preferably disposed in a hollow cylindrical shape which is gradually expanded from bottom to top, so that the coffee machine screen 3 has a large upper end opening for facilitating the addition of coffee beans and hot water to the primary filter chamber. 101; without loss of generality, the inclination angle ⁇ between the first screen body 31 and the vertical direction is preferably in the range of 5 to 30 (see Fig. 2).
  • the first screen body 31 is provided with a reinforcing rib 311, and the reinforcing rib 311 includes at least a reinforcing rib ring 311a disposed along the circumferential direction of the first screen body 31.
  • the rigidity of the first screen body 31 in the circumferential direction can be further enhanced to resist the outward impact force of the coffee beans and the coffee particles, and the deformation of the first screen body 31 is prevented, thereby prolonging the life of the coffee machine screen 3. .
  • the reinforcing rib 311 preferably further includes a reinforcing rib 311b intersecting the reinforcing rib ring 311a; without loss of generality, the reinforcing rib 311b may be along the first filter
  • the axial direction of the mesh body 31 may be inclined to be disposed obliquely to the axial direction of the first mesh body 31.
  • the upper end of the reinforcing rib 311b is preferably fixedly coupled to the fixing frame 33, so that the rigidity of the first screen body 31 is better ensured.
  • the reinforcing rib 311 is also preferably made of a plastic material.
  • the reinforcing rib 311 can be conveniently fixed on the first screen body 31 by injection molding, thereby facilitating the filter 3 of the coffee machine. Batch processing and manufacturing.
  • the fixing frame 33 and the reinforcing rib 311 can be injection molded at one time, and the processing is convenient.
  • the first screen body 31 has an annular region corresponding to the radial direction of the grinding blade group 21, and the reinforcing ring 311a is disposed in the annular region. It can be understood that during the grinding of the coffee beans by the grinding blade set 21, the annular region receives the strongest outward impact from the coffee beans and the coffee particles, and the reinforcing ring 311a is targeted. Provided in the annular region, the rigidity of the annular region can be directly enhanced, and the impact resistance of the coffee machine filter 3 can be more effectively improved.
  • the width of the projection of the lapping blade set 21 in the axial direction of the first screen body 31 is approximately 8 mm.
  • the rib ring 311a is disposed in the annular region so that the rib ring 311a can effectively increase the impact resistance of the first screen body 31, and the width of the rib ring 311a is increased.
  • the range L is preferably from 6 mm to 12 mm (see Fig. 2).
  • the reinforcing ring 311a is in the first mesh body 31.
  • a plurality of upper and lower reinforcing ribs 311a are disposed in the annular region at a density greater than that on the axial sides of the annular region.
  • the upper portion of the coffee machine screen 3 is sealingly connected with the cover body 12, so that the water inlet rate can be made larger than the water output of the coffee machine filter screen 3 by adjusting the water inlet rate of the hot water supply device 4.
  • a pressure space is formed in the upper portion of the primary filter chamber 101 to pressure the coffee to fully infiltrate the coffee powder. Make the brewed coffee more intense.
  • the present design is not limited thereto.
  • the upper portion of the coffee machine screen 3 may be sealingly connected to the cavity 11, and the cavity 11 is sealingly connected with the cover 12 to form a pressure on the upper portion of the primary filter chamber 101. space.
  • the upper part of the coffee machine screen 3 is the fixing frame 33
  • the cover body 12 is provided with a protruding portion 16 extending into the fixing frame 33, and the outer edge of the protruding portion 16 and the inner edge of the fixing frame 33 are
  • a second sealing ring 51 is provided between the fixing frame 33 and the protruding portion 16 for sealing connection, as shown in FIG. 2 .
  • a third sealing ring 52 is disposed between the outer circumferential surface of the fixing frame 33 and the inner circumferential surface of the upper portion of the cavity 11 to achieve a sealed connection between the upper portion of the coffee machine filter 3 and the cavity 11.
  • the upper part of the coffee machine filter 3 is sealingly connected with the cover body 12, so that the grinding chamber 10 is integrally sealed.
  • the chamber 10 is pressurized to discharge the coffee from the beverage outlet 13 to achieve the function of pressurized extracting coffee, which can improve the quality of the coffee.
  • a plurality of buckle portions 34 are preferably provided on the upper inner peripheral surface of the coffee machine screen 3.
  • the buckle portion 34 is formed on the inner circumferential surface of the fixing frame 33 in a convex shape; however, the design is not limited thereto.
  • the buckle portion 34 may be formed in the fixing frame 33 in the form of a groove. on.
  • the clasp portion 34 may be directly provided on the upper inner peripheral surface of the first screen body 31.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

一种咖啡机滤网（3）和咖啡机，咖啡机滤网（3）包括：第一滤网本体（31），呈沿上下延伸的筒状设置；第二滤网本体（32），呈环状设置，且内环边缘与第一滤网本体（31）的下部密封连接。能在搅拌咖啡的过程中，限制咖啡颗粒冲过滤网（3），从而提高咖啡饮料的品质。

Description

咖啡机滤网和咖啡机
技术领域
本发明涉及家用电器领域，特别涉及一种咖啡机滤网和咖啡机。
背景技术
在研磨冲泡一体式咖啡机中，研磨室通常复用为冲泡室，为了避免将咖啡渣从研磨室的饮料出口排出至用户的咖啡杯中，研磨室内会设置呈筒状且环设在研磨刀组外围的滤网。在冲泡咖啡的过程中，通常通过研磨刀组进行搅拌，搅拌过程中会使咖啡颗粒产生离心力，导致较粗的咖啡颗粒会冲过滤网，最终随咖啡液体一起进入饮料杯，如此，会降低咖啡饮料的品质。
发明内容
本发明的主要目的是提出一种咖啡机滤网，旨在搅拌咖啡的过程中，限制咖啡颗粒冲过滤网，从而提高咖啡饮料的品质。
为实现上述目的，本发明提出的咖啡机滤网包括：
第一滤网本体，呈沿上下向延伸的筒状设置；以及
第二滤网本体，呈环状设置，且内环边缘与所述第一滤网本体的下部密封连接。
优选地，所述第一滤网本体与所述第二滤网本体一体设置。
优选地，所述咖啡机滤网还包括一固定框，所述第一滤网本体的轴向上端与所述固定框固定连接。
优选地，所述第一滤网本体为金属材质，所述固定框为塑料材质，所述固定框通过注塑方式与所述第一滤网本体固定连接。
优选地，所述第一滤网本体为金属材质，所述第二滤网本体为塑料材质，所述第二滤网本体通过注塑方式与所述第一滤网本体固定连接。
优选地于，所述第二滤网本体的任一滤孔包括连通上表面的直孔段、以及连通下表面且在远离所述直孔段的方向上呈渐扩的锥孔段。
优选地，所述第二滤网本体的滤孔在上表面上的孔径范围为0.2mm~0.8mm。
优选地，所述第二滤网本体的内环边缘与外环边缘之间的距离范围为10mm~30mm。
优选地，所述第二滤网本体在径向向外的方向上倾斜向下或者倾斜向上延伸。
优选地，所述第二滤网本体在径向向外的方向上倾斜向下延伸，且与水平方向之间的倾角范围为1°~10°。
优选地，所述咖啡机滤网的上部内周面上设有若干扣手部。
优选地，所述第一滤网本体的目数范围为80目~150目。
优选地，所述第一滤网本体由下至上呈渐扩状设置。
优选地，所述第一滤网本体与竖直方向之间的倾角范围为5°~30°。
优选地，所述第一滤网本体上设有加强筋，所述加强筋至少包括沿所述第一滤网本体的周向设置的加强筋环。
优选地，所述第一滤网本体的下端呈封闭设置。
此外，为实现上述目的，本发明还提出一种咖啡机，包括：
研磨室，包括腔体和盖体，所述盖体封盖所述腔体形成研磨腔，所述研磨腔的底部设有饮料出口；
研磨装置，包括设于所述研磨腔内的研磨刀组、设于所述研磨腔外用于驱动所述研磨刀组转动的电机；
热水供应装置，与所述研磨腔连通；以及
咖啡机滤网，包括第一滤网本体，呈沿上下向延伸的筒状设置；以及第二滤网本体，呈环状设置，且内环边缘与所述第一滤网本体的下部密封连接；
所述第一滤网本体套设在所述研磨刀组的外围，且下端与所述研磨腔腔底密封连接，所述第二滤网本体的外环边缘与所述研磨腔的侧壁密封连接，所述研磨腔被所述第一滤网本体所围设的区域形成一次过滤腔，所述研磨腔的其它区域由所述第二滤网本体分割成位于上方的二次过滤腔和位于下方的饮料腔，所述饮料出口连通所述饮料腔设置。
优选地，所述第二滤网本体的外环边缘设有向下或向上延伸的安装翻边，所述安装翻边的外周面设有可供所述密封圈套设定位的定位环槽，所述密封圈抵接所述研磨腔的侧壁。
优选地，所述安装翻边向下延伸，且所述安装翻边的下端抵接于所述研磨腔底壁。
优选地，所述第一滤网本体上设有加强筋，所述加强筋至少包括沿所述第一滤网本体的周向设置的加强筋环，所述第一滤网本体具有与所述研磨刀组径向相对应的环状区域，所述加强筋环设于所述环状区域。
优选地，所述腔体的底壁设有第一凸台，所述第一滤网本体的下端密封抵接于所述第一凸台的上端面，所述第二滤网本体与所述第一滤网本体的下端连接，所述第一滤网本体和所述腔体侧壁之间形成所述二次过滤腔，所述第一凸台的外周面和所述腔体的侧壁之间形成所述饮料腔。
优选地，所述第一凸台的上端面设有第二凸台，所述第一滤网本体套设在所述第二凸台上，以定位在所述研磨腔内。
优选地，所述第一滤网本体的下端与腔体的底壁抵接，所述第二滤网本体与所述第一滤网本体的连接处与所述第一滤网本体的下端之间具有一段距离，位于所述第二滤网本体上方的所述第一滤网本体和所述腔体侧壁之间形成所述二次过滤腔，位于所述第二滤网本体下方的所述第一滤网本体和所述腔体的侧壁之间形成所述饮料腔。
优选地，所述咖啡机滤网的上部与所述盖体密封连接；或者所述咖啡机滤网的上部与所述腔体密封连接，且所述腔体与所述盖体密封连接。
本发明的技术方案中，研磨腔被分隔为一次过滤腔、位于一次过滤腔外围的二次过滤腔、以及位于二次过滤腔下方的饮料腔，如此，在研磨咖啡豆或者搅拌咖啡的过程中，即使有较粗的咖啡颗粒在离心力的作用下冲过第一滤网本体进入二次过滤腔，第二滤网本体也可将这些咖啡颗粒限制在二次过滤腔中，从而有效避免较粗的咖啡颗粒进入饮料腔，提高咖啡饮料的品质。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1为本发明咖啡机一实施例的结构示意图；
图2为图1中咖啡机的研磨室、咖啡机滤网及研磨刀组之间的结构示意图；
图3为图2中A处的放大结构示意图；
图4为图2中咖啡机的咖啡机滤网的结构示意图。
附图标号说明：
标号 名称 标号 名称
1 研磨室 11 腔体
12 盖体 13 饮料出口
14 第一凸台 15 第二凸台
16 突出部 10 研磨腔
101 一次过滤腔 102 二次过滤腔
103 饮料腔 2 研磨装置
21 研磨刀组 22 电机
3 咖啡机滤网 31 第一滤网本体
32 第二滤网本体 33 固定框
34 扣手部 311 加强筋
311a 加强筋环 311b 加强筋条
321 滤孔 321a 直孔段
321b 锥孔段 322 安装翻边
323 定位环槽 4 热水供应装置
51 第二密封圈 52 第三密封圈
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明，若本发明实施例中有涉及方向性指示（诸如上、下、左、右、前、后……），则该方向性指示仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
另外，若本发明实施例中有涉及“第一”、“第二”等的描述，则该“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
本发明提出一种咖啡机滤网、以及一种具有该咖啡机滤网的咖啡机。
参照图1至图3，在本发明一实施例中，该咖啡机包括：
研磨室1，包括腔体11和盖体12，盖体12封盖腔体11形成研磨腔10，研磨腔10的底部设有饮料出口13；
研磨装置2，包括设于研磨腔10内的研磨刀组21、设于研磨腔10外用于驱动研磨刀组21转动的电机22；
热水供应装置4，与研磨腔10连通；
电控装置（未图示），与研磨装置2和热水供应装置4均电性连接，用以控制研磨装置2和热水供应装置4工作；以及
设在研磨腔10内的咖啡机滤网3，包括呈沿上下向延伸的筒状设置的第一滤网本体31和呈环状设置的第二滤网本体32，且第二滤网本体32的内环边缘与第一滤网本体31的下部密封连接；可以理解，在第二滤网本体32上，自内环边缘到外环边缘的方向为背离第一滤网本体31外周面的方向；
第一滤网本体31套设在研磨刀组21的外围，且下端与研磨腔10腔底密封连接，第二滤网本体32的外环边缘与研磨腔10的侧壁密封连接，研磨腔10被第一滤网本体31所围设的区域形成一次过滤腔101，研磨腔10的其它区域由第二滤网本体32分割成位于上方的二次过滤腔102和位于下方的饮料腔103，饮料出口13连通饮料腔103设置。
本发明的技术方案中，研磨腔10被分隔为一次过滤腔101、位于一次过滤腔101外围的二次过滤腔102、以及位于二次过滤腔102下方的饮料腔103，如此，在研磨咖啡豆或者搅拌咖啡的过程中，即使有较粗的咖啡颗粒在离心力的作用下冲过第一滤网本体31进入二次过滤腔102，第二滤网本体32也可将这些咖啡颗粒限制在二次过滤腔102中，从而有效避免较粗的咖啡颗粒进入饮料腔103，提高咖啡饮料的品质。
需要说明的是，本实施例中，咖啡机滤网3用于研磨腔10可复用为冲泡腔的咖啡机；然本设计不限于此，于其他实施例中，咖啡机滤网3也可用于研磨腔与冲泡腔分离的咖啡机，且装设在冲泡腔中。特别地，当咖啡机滤网3应用于具有独立冲泡室的咖啡机中时，冲泡室的底部没有设置研磨刀组，此时，可将第一滤网本体31的下端设置为封闭的，以使得一次过滤腔101与饮料腔103绝对隔离。
在本实施例中，第一滤网本体31与第二滤网本体32优选一体设置，如此，相较于两者分体设置的技术方案，本设计可实现咖啡机滤网3的整体性装拆清洗。不失一般性，第一滤网本体31与第二滤网本体32可以为一体的注塑件、压铸件或钣金件等；当然，第一滤网本体31和第二滤网本体32的材质也可以不同，例如，第一滤网本体31和第二滤网本体32的其中一者为金属材质，另一者为塑料材质，塑胶材质者通过注塑方式固定在金属材质者上。
进一步地，咖啡机滤网3还包括一固定框33（见图3），第一滤网本体31的轴向上端与固定框33固定连接。本实施例中，咖啡机滤网3的上部通过该固定框33实现与研磨腔10上部的固定。可以理解，固定框33上成型有与研磨腔10上部相固定的结构（例如但不限于抵接翻边、搭接翻边等），而固定框33的的增设，可避免需要将与研磨腔10上部相固定的结构直接成型在第一滤网本体31上部，从而简化第一滤网本体31本身的结构。
进一步地，第一滤网本体31为金属材质，以保证第一滤网本体31的刚性良好。特别地，第一滤网本体31具有良好的刚性，可提高第一滤网本体31对咖啡豆和咖啡颗粒向外冲击力的承受能力。具体地，第一滤网本体31优选由不锈钢材料所制成，不锈钢材料具有强刚性，可更好地抵抗咖啡豆和咖啡颗粒的向外冲击力；当然，于其他实施例中，第一滤网本体31还可但不限于由铝合金、钛合金等其他金属材料所制成。固定框33为塑料材质，如此，固定框33可方便地通过注塑方式与第一滤网本体31的轴向上端固定，注塑工艺为成熟的加工工艺，有利于该咖啡机滤网3的批量加工制造。另外，固定框33为塑料材质，还可便于固定框33上的与研磨腔10上部相固定结构的成型。当然，于其他实施例中，该固定框33还可以是通过粘接或焊接的方式与第一滤网本体31固定的。
在本实施例中，第二滤网本体32也优选为塑料材质，如此，第二滤网本体32可方便地通过注塑方式与第一滤网本体31的轴向下端固定，注塑工艺为成熟的加工工艺，有利于该咖啡机滤网3的批量加工制造。当然，于其他一些实施例中，该第二滤网本体32还可以是通过粘接或焊接的方式与第一滤网本体31固定的。另外，于其他再一些实施例中，第二滤网本体32也可为金属材质。
在本实施例中，进一步地，第二滤网本体32上的滤孔321是直接注塑成型的，为便于注塑磨具的脱模，第二滤网本体32的任一滤孔321包括连通上表面的直孔段321a、以及连通下表面且在远离直孔段321a的方向上呈渐扩的锥孔段321b；显然，第二滤网本体32的滤孔321是通过直孔段321a连通二次过滤腔102，以及通过锥孔段321b连通饮料腔103的。然本设计不限于此，于其他实施例中，第二滤网本体32的任一滤孔321还可为在远离二次过滤腔102的方向上呈渐扩的整体的锥孔。另外，于其他再一些实施例中，第二滤网本体32上的滤孔321也可是后期冲孔成型的，且任一滤孔321成型为整体的直孔。
一并参照图4，在本实施例中，第二滤网本体32的滤孔321在上表面上的孔径D范围优选为0.2mm~0.8mm，如此，第二滤网本体32的滤孔321较细，可避免咖啡渣从二次过滤腔102进入饮料腔103。当然，在其他实施例中，第二滤网本体32的滤孔321孔径范围还可更小，以提高对咖啡渣的限制作用。
另外，第一滤网本体31的目数范围优选为80目~150目，该目数范围下的第一滤网本体31具有适中孔径的网孔，以在冲泡咖啡时，将大部分咖啡渣限制在一次过滤腔101中。当然，在其他实施例中，第一滤网本体31还可具有更小的目数，以降低咖啡机滤网3的成本。
可以理解，由于大部分咖啡渣被隔离在一次过滤腔101内，二次过滤腔102仅需要一个较小的空间，由此，本实施例中，第二滤网本体32的内环边缘与外环边缘之间的距离W范围优选为10mm~30mm（见图3）。
另外，为避免咖啡渣的沉积堵住第二滤网本体32上的滤孔321，第二滤网本体32在径向向外的方向上优选倾斜向下或者倾斜向上延伸，以使得咖啡渣可在自身重力的作用下往第二滤网本体32的外环边缘或内环边缘流动，而仅沉积在第二滤网本体32的外环边缘或内环边缘。本实施例中，由于第二滤网本体32是通过注塑方式与第一滤网本体31的轴向下端固定的，为便于脱模，第二滤网本体32在径向向外的方向上倾斜向下延伸。当然，第二滤网本体32的倾斜角不能过大，否则第二滤网本体32的距离W需要很大，才能保证二次过滤腔102的空间不至于过小，由此，第二滤网本体32在径向向外的方向上与水平方向之间的倾角β优选范围为1°~10°（见图2）。
在本实施例中，通常地，研磨腔10的径向尺寸与第二滤网本体32外环边缘的径向尺寸是相适配地，如此，第二滤网本体32的外环边缘可紧配地密封抵接于研磨腔10的侧壁，从而密封隔离二次过滤腔102与饮料腔103。
另外，为进一步保证第二滤网本体32外环边缘与研磨腔10侧壁之间的连接密封性，还可在第二滤网本体32外环边缘与研磨腔10侧壁之间增设第一密封圈（未图示）。具体地，可在第二滤网本体32的外环边缘设置向下或向上延伸的安装翻边322，该安装翻边322的外周面预留有供第一密封圈套设定位的定位环槽323，以将第一密封圈定位安装在安装翻边322上。当安装有第一密封圈时，第一密封圈部分突出于定位环槽323，且弹性抵触于研磨腔10的侧壁。在本实施例中，安装翻边322是向下延伸的，且安装翻边322下端抵接于研磨腔10底壁，如此，一方面给二次过滤腔102与饮料腔103的密封隔离提供了另一层密封屏障，另一方面安装翻边322的下端还可为咖啡机滤网3提供支撑作用。
继续参照图4，在本实施例中，进一步地，腔体11的底壁设有第一凸台14，第一滤网本体31的下端密封抵接于第一凸台14的上端面，第二滤网本体32与第一滤网本体31的下端连接，第一滤网本体31和腔体11侧壁之间形成所述二次过滤腔102，第一凸台14的外周面和腔体11的侧壁之间形成所述饮料腔103；可以理解，第一凸台14的设置可方便地间隔开第二滤网本体32与研磨腔10底壁，为饮料腔103提供了上下向的深度。在本实施例中，为避免在咖啡机工作的过程中，第一滤网本体31在研磨腔10内出现晃动，甚至出现与研磨刀组21碰撞的现象，第一凸台14的上端面优选还设有第二凸台15，该第二凸台15用以供第一滤网本体31套设，而实现第一滤网本体31在研磨腔10内的定位。
然本设计不限于此，于其他实施例中，也可不设计所述第一凸台14，使第一滤网本体31的下端直接与腔体11的底壁抵接，但第二滤网本体32与第一滤网本体31的连接处与所述第一滤网本体31的下端之间具有一段距离，如此，位于所述第二滤网本体32上方的第一滤网本体31和腔体11侧壁之间形成所述二次过滤腔102，位于所述第二滤网本体32下方的第一滤网本体31和腔体11的侧壁之间形成所述饮料腔103。为了方便第一滤网本体31的定位，避免第一滤网本体31晃动，可以在腔体11底部保留供第一滤网本体31套设的第二凸台15。
另外，第一滤网本体31优选呈由下至上渐扩的中空筒状设置，如此，可使得该咖啡机滤网3具有较大的上端开口，以便于将咖啡豆和热水加入一次过滤腔101中；不失一般性，第一滤网本体31与竖直方向之间的倾角α范围优选为5°~30°（见图2）。
参照2和图3，在本实施例中，进一步地，第一滤网本体31上设有加强筋311，该加强筋311至少包括沿第一滤网本体31的周向设置的加强筋环311a，由此，可进一步增强第一滤网本体31在周向上的刚性，以抵抗咖啡豆和咖啡颗粒的向外冲击力，避免第一滤网本体31变形，从而延长咖啡机滤网3的寿命。另外，为进一步提高第一滤网本体31的整体刚性，该加强筋311优选还包括与加强筋环311a相交的加强筋条311b；不失一般性，该加强筋条311b可以是沿第一滤网本体31的轴向方向延伸的，也可以是与第一滤网本体31的轴向方向倾斜设置的。特别地，该加强筋条311b的上端优选与固定框33固定连接，从而使得第一滤网本体31的刚性有更好的保证。需要说明的是，本实施例中，加强筋311也优选为塑料材质，如此，加强筋311可方便地通过注塑方式固定在第一滤网本体31上，从而有利于该咖啡机滤网3的批量加工制造。特别地，固定框33和加强筋311可一次性注塑成型，加工过程实为方便。
在本实施例中，进一步地，第一滤网本体31具有与研磨刀组21径向相对应的环状区域，所述加强筋环311a设置在该环状区域。可以理解，在通过研磨刀组21对咖啡豆进行研磨的过程中，所述环状区域所受到的来自于咖啡豆和咖啡颗粒的向外冲击力最强，所述加强筋环311a针对性地设置在该环状区域，可直接增强该环状区域的刚性，可更为有效地提高该咖啡机滤网3的抗冲击力。
不失一般性，本实施例中，研磨刀组21在第一滤网本体31轴向方向上的投影的宽度大致为8毫米。并且，在本实施例中，加强筋环311a在环状区域上设置为一个，为使该一个加强筋环311a能有效提高第一滤网本体31的抗冲击力，该加强筋环311a的宽度范围L优选为6毫米~12毫米（见图2）。
需要说明的是，本设计不限于此，于其他实施例中，为了更有效地提高该咖啡机滤网3的抗冲击力，还可作如下设置：加强筋环311a在第一滤网本体31上并行且间隔地设有多个，且该多个加强筋环311a在环状区域的设置密度大于在环状区域轴向两侧的设置密度。
在本实施例中，进一步地，咖啡机滤网3的上部与盖体12密封连接，如此，可通过调节热水供应装置4的进水速率，使进水速率大于咖啡机滤网3的出水速率，在所加入的热水漫过第一滤网本体31的滤孔部分后，即可在一次过滤腔101上部形成一个压力空间，来对咖啡进行压力冲泡，从而充分浸润咖啡粉，以使冲泡出来的咖啡更为浓厚。然本设计不限于此，于其他实施例中，还可通过咖啡机滤网3的上部与腔体11密封连接，且腔体11与盖体12密封连接，来形成一次过滤腔101上部的压力空间。
本实施例中，咖啡机滤网3的上部为所述固定框33，盖体12设有伸入固定框33内的突出部16，该突出部16的外沿与固定框33的内沿之间设有第二密封圈51，该第二密封圈51用以实现固定框33与突出部16之间的密封连接，如图2所示。另外，本实施例中，固定框33的外周面与腔体11上部的内周面之间设有第三密封圈52，以实现咖啡机滤网3上部与腔体11之间的密封连接，又咖啡机滤网3上部与盖体12密封连接，从而使得研磨腔10是整体密封的，如此，在酿造好咖啡后，咖啡不能从饮料出口13自然流出，需要通过热水供应装置4向研磨腔10内加压，才能将咖啡从饮料出口13排出，从而达到增压萃取咖啡的作用，能提高咖啡的品质。
参照图3，在本实施例中，为便于用户取出咖啡机滤网3，咖啡机滤网3的上部内周面上优选设有若干扣手部34。具体地，扣手部34以凸起的形式成型在固定框33内周面上；然本设计不限于此，于其他实施例中，扣手部34还可以凹槽的形式成型在固定框33上。另外，在咖啡机滤网3未设置所述固定框33时，扣手部34也可直接设置在第一滤网本体31的上部内周面。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的发明构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。

Claims (39)

  1. 一种咖啡机滤网，其特征在于，包括：
    第一滤网本体，呈沿上下向延伸的筒状设置；以及
    第二滤网本体，呈环状设置，且内环边缘与所述第一滤网本体的下部密封连接。
  2. 如权利要求1所述的咖啡机滤网，其特征在于，所述第一滤网本体与所述第二滤网本体一体设置。
  3. 如权利要求2所述的咖啡机滤网，其特征在于，所述第一滤网本体为金属材质，所述第二滤网本体为塑料材质，所述第二滤网本体通过注塑方式与所述第一滤网本体固定连接。
  4. 如权利要求1所述的咖啡机滤网，其特征在于，所述咖啡机滤网还包括一固定框，所述第一滤网本体的轴向上端与所述固定框固定连接。
  5. 如权利要求4所述的咖啡机滤网，其特征在于，所述第一滤网本体为金属材质，所述固定框为塑料材质，所述固定框通过注塑方式与所述第一滤网本体固定连接。
  6. 如权利要求1所述的咖啡机滤网，其特征在于，所述第二滤网本体的任一滤孔包括连通上表面的直孔段、以及连通下表面且在远离所述直孔段的方向上呈渐扩的锥孔段。
  7. 如权利要求1所述的咖啡机滤网，其特征在于，所述第二滤网本体的滤孔在上表面上的孔径范围为0.2mm~0.8mm。
  8. 如权利要求1所述的咖啡机滤网，其特征在于，所述第二滤网本体的内环边缘与外环边缘之间的距离范围为10mm~30mm。
  9. 如权利要求1所述的咖啡机滤网，其特征在于，所述第二滤网本体在径向向外的方向上倾斜向下或者倾斜向上延伸。
  10. 如权利要求9所述的咖啡机滤网，其特征在于，所述第二滤网本体在径向向外的方向上倾斜向下延伸，且与水平方向之间的倾角范围为1°~10°。
  11. 如权利要求1所述的咖啡机滤网，其特征在于，所述咖啡机滤网的上部内周面上设有若干扣手部。
  12. 如权利要求1所述的咖啡机滤网，其特征在于，所述第一滤网本体的目数范围为80目~150目。
  13. 如权利要求1所述的咖啡机滤网，其特征在于，所述第一滤网本体由下至上呈渐扩状设置。
  14. 如权利要求13所述的咖啡机滤网，其特征在于，所述第一滤网本体与竖直方向之间的倾角范围为5°~30°。
  15. 如权利要求1所述的咖啡机滤网，其特征在于，所述第一滤网本体上设有加强筋，所述加强筋至少包括沿所述第一滤网本体的周向设置的加强筋环。
  16. 如权利要求1所述的咖啡机滤网，其特征在于，所述第一滤网本体的下端呈封闭设置。
  17. 一种咖啡机，其特征在于，包括：
    研磨室，包括腔体和盖体，所述盖体封盖所述腔体形成研磨腔，所述研磨腔的底部设有饮料出口；
    研磨装置，包括设于所述研磨腔内的研磨刀组、设于所述研磨腔外用于驱动所述研磨刀组转动的电机；
    热水供应装置，与所述研磨腔连通；以及
    咖啡机滤网，包括第一滤网本体以及第二滤网本体，所述第一滤网本体呈沿上下向延伸的筒状设置，所述第二滤网本体呈环状设置，且内环边缘与所述第一滤网本体的下部密封连接，所述第一滤网本体套设在所述研磨刀组的外围，且下端与所述研磨腔腔底密封连接，所述第二滤网本体的外环边缘与所述研磨腔的侧壁密封连接，所述研磨腔被所述第一滤网本体所围设的区域形成一次过滤腔，所述研磨腔的其它区域由所述第二滤网本体分割成位于上方的二次过滤腔和位于下方的饮料腔，所述饮料出口连通所述饮料腔设置。
  18. 如权利要求17所述的咖啡机，其特征在于，所述第一滤网本体与所述第二滤网本体一体设置。
  19. 如权利要求18所述的咖啡机，其特征在于，所述第一滤网本体为金属材质，所述第二滤网本体为塑料材质，所述第二滤网本体通过注塑方式与所述第一滤网本体固定连接。
  20. 如权利要求17所述的咖啡机，其特征在于，所述咖啡机滤网还包括一固定框，所述第一滤网本体的轴向上端与所述固定框固定连接。
  21. 如权利要求20所述的咖啡机，其特征在于，所述第一滤网本体为金属材质，所述固定框为塑料材质，所述固定框通过注塑方式与所述第一滤网本体固定连接。
  22. 如权利要求17所述的咖啡机，其特征在于，所述第二滤网本体的任一滤孔包括连通上表面的直孔段、以及连通下表面且在远离所述直孔段的方向上呈渐扩的锥孔段。
  23. 如权利要求17所述的咖啡机，其特征在于，所述第二滤网本体的滤孔在上表面上的孔径范围为0.2mm~0.8mm。
  24. 如权利要求17所述的咖啡机，其特征在于，所述第二滤网本体的内环边缘与外环边缘之间的距离范围为10mm~30mm。
  25. 如权利要求17所述的咖啡机，其特征在于，所述第二滤网本体在径向向外的方向上倾斜向下或者倾斜向上延伸。
  26. 如权利要求25所述的咖啡机，其特征在于，所述第二滤网本体在径向向外的方向上倾斜向下延伸，且与水平方向之间的倾角范围为1°~10°。
  27. 如权利要求17所述的咖啡机，其特征在于，所述咖啡机滤网的上部内周面上设有若干扣手部。
  28. 如权利要求17所述的咖啡机，其特征在于，所述第一滤网本体的目数范围为80目~150目。
  29. 如权利要求17所述的咖啡机，其特征在于，所述第一滤网本体由下至上呈渐扩状设置。
  30. 如权利要求29所述的咖啡机，其特征在于，所述第一滤网本体与竖直方向之间的倾角范围为5°~30°。
  31. 如权利要求17所述的咖啡机，其特征在于，所述第一滤网本体上设有加强筋，所述加强筋至少包括沿所述第一滤网本体的周向设置的加强筋环。
  32. 如权利要求17所述的咖啡机，其特征在于，所述第一滤网本体的下端呈封闭设置。
  33. 如权利要求17所述的咖啡机，其特征在于，所述第二滤网本体的外环边缘设有向下或向上延伸的安装翻边，所述安装翻边的外周面设有可供所述密封圈套设定位的定位环槽，所述密封圈抵接所述研磨腔的侧壁。
  34. 如权利要求33所述的咖啡机，其特征在于，所述安装翻边向下延伸，且所述安装翻边的下端抵接于所述研磨腔底壁。
  35. 如权利要求17所述的咖啡机，其特征在于，所述第一滤网本体上设有加强筋，所述加强筋至少包括沿所述第一滤网本体的周向设置的加强筋环，所述第一滤网本体具有与所述研磨刀组径向相对应的环状区域，所述加强筋环设于所述环状区域。
  36. 如权利要求17所述的咖啡机，其特征在于，所述腔体的底壁设有第一凸台，所述第一滤网本体的下端密封抵接于所述第一凸台的上端面，所述第二滤网本体与所述第一滤网本体的下端连接，所述第一滤网本体和所述腔体侧壁之间形成所述二次过滤腔，所述第一凸台的外周面和所述腔体的侧壁之间形成所述饮料腔。
  37. 如权利要求36所述的咖啡机，其特征在于，所述第一凸台的上端面设有第二凸台，所述第一滤网本体套设在所述第二凸台上，以定位在所述研磨腔内。
  38. 如权利要求17所述的咖啡机，其特征在于，所述第一滤网本体的下端与腔体的底壁抵接，所述第二滤网本体与所述第一滤网本体的连接处与所述第一滤网本体的下端之间具有一段距离，位于所述第二滤网本体上方的所述第一滤网本体和所述腔体侧壁之间形成所述二次过滤腔，位于所述第二滤网本体下方的所述第一滤网本体和所述腔体的侧壁之间形成所述饮料腔。
  39. 如权利要求17所述的咖啡机，其特征在于，所述咖啡机滤网的上部与所述盖体密封连接；或者所述咖啡机滤网的上部与所述腔体密封连接，且所述腔体与所述盖体密封连接。
PCT/CN2017/074234 2016-09-29 2017-02-21 咖啡机滤网和咖啡机 WO2018058886A1 (zh)

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US11950723B2 (en) * 2021-06-16 2024-04-09 Join One Electric (Shenzhen) Co., Ltd Coffee filtering device with dual-layer filtering nets

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EP3345516A1 (en) 2018-07-11

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