Coffee filtering funnel and coffee filtering device

Abstract

The utility model provides a coffee filtering funnel and device.The funnel comprises a body of a hollow conical structure and a plurality of drainage grooves, the body comprises a liquid inlet port and a liquid outlet port, and the multiple drainage grooves are formed in the inner wall of the body at intervals; and each drainage groove spirally extends to the liquid outlet port along the liquid inlet port in the clockwise direction or the anticlockwise direction. When coffee is brewed, the coffee filtering funnel can be installed on a coffee containing vessel, namely, the liquid outlet port of the body is installed on the coffee containing vessel, then the filter paper is attached to the inner wall of the body, the filter paper surrounds the inner wall of the body to form a cone, and coffee liquid drips into the coffee containing vessel from the tip end of the cone part. The filter paper is only attached to the inner wall of the body, so that the filter paper and the drainage groove are matched to form an airflow channel, air in the coffee containing vessel can escape from the airflow channel formed by the filter paper and the drainage groove in a matched mode, air convection is guaranteed, the dripping speed of coffee liquid is increased, and the coffee brewing speed and efficiency are improved.

Description

Technical Field

[0001] The present application belongs to the technical field of coffee utensils, and in particular relates to a coffee filter funnel and a coffee filter device. Background Art

[0002] During the brewing process, a funnel can be used to brew and filter coffee grounds. Existing funnels are mounted on a coffee container, with filter paper attached to the inner wall of the funnel. Coffee grounds and water are then added to the filter paper to brew the coffee. However, the coffee container is typically a sealed space, and the air inside can only escape through the bottom of the funnel. However, the bottom of the funnel also serves to drip liquid coffee downwards. The liquid coffee and the air inside the coffee container easily collide with each other, making it difficult for the air inside the coffee container to escape, reducing the speed and efficiency of coffee brewing.

[0003] It should be noted that the above content is not necessarily prior art, nor is it intended to limit the scope of patent protection of this application. Utility Model Content

[0004] The embodiments of the present application provide a coffee filter funnel and a coffee filter device to solve or alleviate one or more technical problems in the prior art.

[0005] A first aspect of an embodiment of the present application provides a coffee filter funnel, comprising:

[0006] The main body is a hollow conical structure, and the main body includes:

[0007] A liquid inlet port, wherein the liquid inlet port is circular;

[0008] a liquid outlet port, wherein the liquid outlet port is circular and has a cross-sectional size smaller than that of the liquid inlet port;

[0009] A plurality of drainage grooves are provided on the inner wall of the body, and the plurality of drainage grooves are spaced apart from each other. Each drainage groove spirals along the liquid inlet port in a clockwise or counterclockwise direction and extends to the liquid outlet port.

[0010] Optionally, the distance between the drainage groove and the adjacent drainage groove gradually decreases along the direction from the liquid inlet port to the liquid outlet port.

[0011] Optionally, the cone angle of the body is 50°~70°.

[0012] Optionally, the plurality of drainage grooves include 12 drainage grooves.

[0013] Optionally, the drainage groove includes an opening and an inner wall, and the inner wall is an arc-shaped surface.

[0014] Optionally, the width of the opening of the drainage groove is 3.6mm-4.7mm.

[0015] The depth of the drainage groove is 0.5mm-2.5mm.

[0016] Optionally, the width of the opening of the drainage groove is 4.6062mm.

[0017] The depth of the drainage groove is 1.5204mm.

[0018] Optionally, the body is transparent or translucent.

[0019] Optionally, the body is further provided with a first convex edge and a second convex edge, the first convex edge is arranged around the outer edge of the liquid inlet port, and the second convex edge is arranged around the outer edge of the liquid outlet port.

[0020] The second aspect of the embodiment of the application provides a coffee filtering device, comprising:

[0021] A coffee seat assembly is provided with a connecting port at one end.

[0022] The coffee filtering funnel according to any one of the preceding aspects is installed on the connecting port.

[0023] The technical solution of the embodiment of the application can have the following advantages:

[0024] When brewing coffee, the coffee filtering funnel can be installed on a coffee serving vessel, i.e., the liquid outlet port of the body is installed on the coffee serving vessel, and then the filter paper is attached to the inner wall of the body, the filter paper is conical along the inner wall of the body, and the tip of the conical part enters the coffee serving vessel and drips coffee into the coffee serving vessel through the tip. In this embodiment, the filter paper is attached only to the inner wall of the body, not to the inner wall of the drainage groove, so that the filter paper and the drainage groove cooperate to form an air flow channel. When the coffee filtering funnel drips coffee into the coffee serving vessel, the air in the coffee serving vessel can also escape from the air flow channel formed by the cooperation of the filter paper and the drainage groove, ensuring air convection, accelerating the dripping speed of the coffee filtering funnel, and improving the speed and efficiency of coffee brewing.

[0025] The foregoing summary is intended only to illustrate the application and is not intended to limit the application in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the application will be readily apparent from a reading of the following detailed description of the application, which makes reference to the drawings and from practices of the application. BRIEF DESCRIPTION OF DRAWINGS

[0026] In the drawings, like reference numerals refer to like elements throughout the various figures. The drawings are not necessarily to scale, the emphasis instead being placed upon illustrating the principles of the application. It should be understood that the drawings are merely meant to be illustrative and that the application is not limited to the embodiments depicted in the drawings.

[0027] Fig. 1 A structural schematic diagram of a coffee filter funnel provided by an embodiment of the present application;

[0028] Fig. 2 Another structural schematic diagram of a coffee filter funnel provided by an embodiment of the present application;

[0029] Fig. 3 Still another structural schematic diagram of a coffee filter funnel provided by an embodiment of the present application.

[0030] Legend of reference signs:

[0031] Body 10; liquid outlet port 12; first convex edge 15; second convex edge 16; drainage groove 20. DETAILED DESCRIPTION

[0032] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the embodiments of the application are shown by way of examples. In the drawings, the size of layers, regions, elements, and the like, can be exaggerated for clarity. The same or similar reference numerals can be used throughout the drawings to refer to the same or like elements or components. The embodiments described below are examples of the present application, and are not intended to limit the present application, unless otherwise explicitly indicated herein.

[0033] It will be understood that when an element or layer is referred to as being "on", "adjacent", "connected to", or "coupled to" another element or layer, it can be directly on, adjacent, connected or coupled to the other element or layer, or intervening elements or layers can be present. In contrast, when an element is referred to as being "directly on", "directly adjacent", "directly connected to", or "directly coupled to" another element or layer, then there are no intervening elements or layers present. It will be understood that, although the terms first, second, third, etc. can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application, and, similarly, a second element, component, region, layer or section discussed below could be termed a first element, component, region, layer or section without departing from the teachings of the present application.

[0034] In this application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0035] It should be noted that the terms "first", "second", and the like in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the terms thus used can be interchanged under appropriate circumstances, so that the embodiments of the application described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0036] In this application, when referring to a numerical interval (i.e. a numerical range), unless otherwise specified, the distribution of the selected values in the numerical interval is considered to be continuous and includes both numerical endpoints (i.e. the minimum and maximum values) of the numerical interval and every value between the two numerical endpoints. Unless otherwise specified, when a numerical interval refers only to integers within the numerical interval, including both endpoint integers of the numerical range and every integer between the two endpoints, it is equivalent to directly listing each integer. When multiple numerical ranges are provided to describe a feature or characteristic, these numerical ranges can be combined. In other words, unless otherwise indicated, the numerical ranges disclosed in this application should be understood to include any and all sub-ranges encompassed therein. The "numerical" in the numerical interval can be any quantitative value, such as a number, a percentage, a ratio, etc. The "numerical interval" is intended to broadly include quantitative intervals such as percentage intervals, ratio intervals, and value intervals.

[0037] The embodiments of the present application provide a coffee filter funnel and a coffee filtering device technical solution. Based on this, to improve the efficiency of brewing coffee. See the following.

[0038] In the following, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. It should be noted that these exemplary embodiments can be implemented in various different forms and should not be interpreted as being limited to the embodiments described herein.

[0039] In the process of making hand-poured coffee, a funnel can be used to brew and filter coffee powder. The existing funnel is installed on a coffee container, and a filter paper is attached to the inner wall of the funnel. Coffee powder and water are added to the filter paper to brew coffee. However, the coffee container is usually a sealed space, and the air inside can only escape from the bottom of the funnel. However, the bottom of the funnel is also used to drip coffee downward. The coffee liquid and the air inside the coffee container are prone to mutual collision, making it difficult for the air inside the coffee container to escape, reducing the speed and efficiency of coffee brewing.

[0040] Therefore, based on the above, Figs. 1 to 3 The present application provides a coffee filter funnel, which comprises a body 10 and a plurality of drainage grooves 20. The following will be described in detail:

[0041] The body 10 is a hollow conical structure, which is conducive to the concentration of liquid flow and filtration. The body 10 comprises a liquid inlet port and a liquid outlet port 12, wherein the liquid inlet port is circular. The liquid outlet port 12 is also circular, and the cross-sectional size of the liquid outlet port 12 is smaller than that of the liquid inlet port, i.e., the body 10 is a two-end-opened horn shape.

[0042] A plurality of drainage grooves 20 are arranged along the inner wall of the body 10. The plurality of drainage grooves 20 are arranged at intervals. Each of the drainage grooves 20 extends in a clockwise direction or a counterclockwise direction from the liquid inlet port to the liquid outlet port 12. Please refer to Fig. 3 One end of the plurality of drainage grooves 20 communicates with the liquid outlet port, and the plurality of drainage grooves and the liquid outlet port cooperate to form a gear-shaped opening.

[0043] When brewing coffee, the coffee filter funnel can be installed on the coffee container, i.e., the liquid outlet port 12 of the body 10 is installed on the coffee container. Then, a filter paper (not labeled in the figure) is attached to the inner wall of the body 10. The filter paper is conical around the inner wall of the body 10, and the tip of the conical part enters the coffee container and drips coffee into the coffee container. In this embodiment, the filter paper is attached only to the inner wall of the body 10, not to the inner wall of the drainage grooves 20. In this way, the filter paper and the drainage grooves 20 cooperate to form an air flow channel (not labeled in the figure). When the coffee filter funnel drips coffee into the coffee container, even if the filter paper is wet, it will not completely adhere to the inner wall of the drainage grooves, thereby avoiding the air flow channel being blocked. The air in the coffee container can escape through the air flow channel formed by the filter paper and the drainage grooves 20, ensuring air convection, accelerating the dripping speed of the coffee filter funnel, and improving the speed and efficiency of coffee brewing.

[0044] Furthermore, in an optional embodiment, the distance between the drainage groove 20 and the adjacent drainage groove 20 gradually decreases along the direction from the liquid inlet port to the liquid outlet port 12 .

[0045] That is, the air enters the drainage groove 20 from the liquid inlet side of the main body 10, and is then discharged from the liquid outlet side of the main body 10 along the drainage groove 20. In the process of the air gradually rising along the drainage groove 20, as the spacing between the drainage grooves 20 gradually decreases, the air is guided to be discharged upward more concentratedly, so that the air can pass through the drainage groove 20 smoothly, reducing the blockage of the gas during the filtration process.

[0046] In addition, the spacing between the drainage grooves 20 gradually increases in the direction from the liquid outlet port 12 to the liquid inlet port. In the process of draining air through the drainage grooves 20, excessive dispersion or disordered flow of the airflow can be avoided, ensuring that the discharged air does not interfere with the flow path of the coffee liquid, thereby improving the separation efficiency of liquid and air.

[0047] In an optional embodiment, the cone angle of the body 10 is between 50° and 70°. This angle provides an appropriate inclination, guiding the coffee liquid to flow naturally and smoothly toward the outlet port 12 under the influence of gravity, allowing it to be filtered out through the tip of the filter paper. It is understood that an angle that is too small may cause excessive accumulation of coffee powder at the bottom of the filter paper, increasing the risk of clogging, or may cause liquid to stagnate on the walls of the funnel. However, an angle that is too large may cause the liquid to flow too quickly, affecting filtration uniformity.

[0048] In a preferred embodiment, the cone angle of the body 10 is 60°. This 60° cone angle effectively disperses the coffee grounds, reducing compaction and allowing the water to flow more evenly through the entire coffee grounds layer. Furthermore, this cone angle maintains the liquid flow rate while ensuring sufficient contact between the water and the coffee grounds, allowing the liquid to fully penetrate the coffee grounds for optimal extraction.

[0049] In an optional embodiment, the plurality of drainage grooves 20 include 12 drainage grooves 20. The 12 drainage grooves 20 are evenly spaced along the circumference of the inner wall of the main body 10. The 12 drainage grooves 20 provide enough channels. Even if part of the coffee liquid flows into the drainage grooves 20, the remaining drainage grooves 20 can serve as air convection channels in the coffee container, thereby ensuring the dripping effect of the coffee liquid.

[0050] In other embodiments, the number of the plurality of drainage grooves 20 may be other numbers, such as 8, 10, 16, etc. The plurality of drainage grooves 20 may be evenly spaced along the circumference of the inner wall of the body 10 .

[0051] In an optional embodiment, the drainage groove 20 includes an opening and an inner wall, and the inner wall is an arc-shaped surface.

[0052] When the filter paper is filtering coffee, it becomes fully soaked with water upon contact with the coffee. Over time, the filter paper gradually becomes soft and may sag due to gravity. However, because the inner wall of the drainage groove 20 is curved, even if the filter paper softens and sags, it will not completely adhere to the inner wall of the drainage groove, preventing the filter paper from getting stuck in the drainage groove 20. This prevents the filter paper from clogging the drainage groove 20, resulting in a lack of air convection and air escape, thereby accelerating the flow of the coffee.

[0053] Compared to obtuse or right-angled inner walls, the curved inner wall can more effectively guide the flow of air or liquid. Furthermore, the curved inner wall reduces turbulence and resistance during the flow of gas and fluid, allowing both air and coffee liquid to pass through the drainage groove 20 more smoothly, thereby increasing the speed of coffee filtration.

[0054] The curved inner wall is also easier to clean. The entire inner wall is a curved surface with no dead corners, making it difficult for coffee powder to accumulate, thereby ensuring the hygiene and performance of the funnel for long-term use.

[0055] Furthermore, in this embodiment, the width of the opening of the drainage groove 20 is 3.6 mm to 4.7 mm, and the depth of the drainage groove 20 is 0.5 mm to 2.5 mm.

[0056] The drainage groove 20 of this size provides appropriate space for liquid and air flow. The larger opening width allows the coffee liquid to flow smoothly during the filtration process, and the appropriate depth provides sufficient groove volume to guide the air flow without excessively affecting the flow rate of the liquid. It can not only allow the coffee liquid to flow out quickly, but also provide sufficient discharge channels for the air to prevent the formation of negative pressure and avoid blockage.

[0057] The opening of appropriate width prevents the drainage groove 20 from being blocked by coffee grounds or coffee powder due to being too narrow, thereby keeping the drainage groove 20 unobstructed. At the same time, it also prevents the filter paper from collapsing from the opening of the drainage groove 20 due to the opening of the drainage groove 20 being too wide.

[0058] Specifically, in a preferred embodiment, the width of the opening of the drainage groove 20 is 4.6062 mm, and the depth of the drainage groove 20 is 1.5204 mm.

[0059] A drainage groove 20 of this size optimizes the flow rates of air and liquid, thereby improving overall filtration efficiency. This ensures rapid dripping without compromising the uniformity of coffee extraction. A drainage groove 20 of this width and depth evenly distributes water flow throughout the coffee grounds, preventing localized excess or excess flow caused by excessively large or small dimensions. Furthermore, it reduces interference between liquid and gas within the drainage groove 20.

[0060] In an optional embodiment, the body 10 of the coffee filter funnel is made of a transparent material or a translucent material, and glass is used as an example for illustration.

[0061] The glass offers excellent transparency, allowing real-time observation of the coffee filtration process through the main body 10, particularly the flow of the liquid and the saturation of the filter paper. This facilitates better control of the coffee brewing process, such as observing the even distribution of water flow and the appropriate filtration speed, ensuring that the brewing process is not excessively prolonged or too fast. Furthermore, the user can intuitively judge the coffee's concentration and extraction progress by observing the color changes of the liquid, allowing them to adjust the water flow rate or stop extraction based on the color to achieve the desired taste.

[0062] The glass material also allows the user to see the coffee liquid level inside the filter, preventing overflow due to excessive coffee liquid, and ensuring that excessive liquid does not accumulate in the main body 10 during the brewing process, thereby avoiding waste caused by overflow or dirtying the workbench.

[0063] Glass is also easier to clean. Because it's relatively smooth and transparent, it's less likely to retain coffee grounds or grease. During cleaning, users can easily see if there's any residue, grease, or dirt on the inner wall of the main body 10 or the drainage groove 20, ensuring thorough cleaning and minimizing blind spots. This ensures the funnel maintains its sanitation and performance over the long term.

[0064] The glass material is not easily deformed or damaged during long-term use, maintaining the stability and reliability of the structure.

[0065] In addition, the glass body 10 can provide users with a more visually appealing brewing experience. The dripping process of the coffee liquid through the filter paper becomes visible, making the entire coffee making process more intuitive and ritualistic, and enhancing the user's brewing pleasure.

[0066] In other embodiments, the body 10 may also be made of other types of materials, such as ceramic, metal, etc.

[0067] In an optional embodiment, the body 10 is further provided with a first flange 15 and a second flange 16 , wherein the first flange 15 is arranged around the outer edge of the liquid inlet port, and the second flange 16 is arranged around the outer edge of the liquid outlet port 12 .

[0068] By adding convex edges around the liquid inlet port and the liquid outlet port 12, the weak points on the edge of the body 10 are reduced, and the overall rigidity of the body 10 of the coffee filter funnel is improved, making the coffee filter funnel more sturdy and less prone to damage during use.

[0069] Furthermore, the first flange 15 can be used to assist in securing the filter paper, ensuring that the filter paper is securely positioned at the liquid inlet port. When the user places the filter paper against the inner wall of the body 10, the filter paper can extend beyond the liquid inlet port of the body 10 and fold along the liquid inlet port, being secured in place by the first flange 15 to prevent the filter paper from sliding and maintaining its shape.

[0070] The first flange 15 also provides a more clear grip or placement point, and the user can easily determine the position of the liquid inlet port by touch or vision, which is convenient for operation. When placing the funnel, the first flange 15 can help better position the funnel.

[0071] The second flange 16 provides a stable point at the liquid outlet 12 for contacting the coffee container, so as to be firmly placed on the coffee container and prevent the body 10 from shifting due to gravity or the impact of flowing liquid during use.

[0072] An embodiment of the present application also provides a coffee filter device, comprising a coffee seat assembly and the coffee filter funnel described in any of the above embodiments. A connection port is provided at one end of the coffee seat assembly, and the liquid outlet port of the coffee filter funnel is installed at the connection port.

[0073] The coffee base may be a plate structure. After the coffee filter funnel is mounted on the coffee base, the two may be mounted on the coffee container.

[0074] It should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present application. The directional terms "inside" and "outside" refer to the inside and outside relative to the outline of the component itself. For example, if the device in the drawing is inverted, the device described as "above other devices or structures" or "on top of other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Therefore, the exemplary term "above..." can include both "above..." and "below..." orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used here will be interpreted accordingly.

[0075] It should also be noted that references to "one embodiment," "another embodiment," "an embodiment," etc., in this application refer to specific features, structures, or characteristics described in conjunction with that embodiment as included in at least one embodiment generally described in this application. The appearance of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when a specific feature, structure, or characteristic is described in conjunction with any embodiment, it is intended that such feature, structure, or characteristic, when implemented in conjunction with other embodiments, also fall within the scope of this application.

[0076] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0077] It should also be noted that the above are only preferred embodiments of the present application and do not limit the scope of patent protection of the present application. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of this application, or directly or indirectly applied in other related technical fields, are also included in the scope of patent protection of the present application.

Claims

1. A coffee filter funnel, characterized in that: include: The main body is a hollow conical structure, and the main body includes: A liquid inlet port, wherein the liquid inlet port is circular; a liquid outlet port, wherein the liquid outlet port is circular and has a cross-sectional size smaller than that of the liquid inlet port; A plurality of drainage grooves are provided on the inner wall of the body, and the plurality of drainage grooves are spaced apart from each other. Each drainage groove spirals along the liquid inlet port in a clockwise or counterclockwise direction and extends to the liquid outlet port.

2. The coffee filter funnel according to claim 1, characterized in that The distance between the drainage groove and the adjacent drainage grooves gradually decreases along the direction from the liquid inlet port to the liquid outlet port.

3. The coffee filter funnel according to claim 1, characterized in that The cone angle of the body is 50°~70°.

4. The coffee filter funnel according to claim 1, characterized in that The plurality of drainage grooves include 12 drainage grooves.

5. The coffee filter funnel according to claim 1, characterized in that The drainage groove includes an opening and an inner wall, and the inner wall is an arc-shaped surface.

6. The coffee filter funnel according to claim 5, characterized in that The width of the opening of the drainage groove is 3.6mm~4.7mm; The depth of the drainage groove is 0.5mm~2.5mm.

7. The coffee filter funnel according to any one of claims 5 or 6, characterized in that: The width of the opening of the drainage groove is 4.6062 mm; The depth of the drainage groove is 1.5204 mm.

8. The coffee filter funnel according to any one of claims 1 to 6, characterized in that: The body is made of transparent material or translucent material.

9. The coffee filter funnel according to any one of claims 1 to 6, characterized in that: The body is further provided with a first convex edge and a second convex edge, wherein the first convex edge is arranged around the outer edge of the liquid inlet port, and the second convex edge is arranged around the outer edge of the liquid outlet port.

10. A coffee filter device, characterized in that: include: A coffee base assembly, wherein one end of the coffee base assembly is provided with a connection port; The coffee filter funnel according to any one of claims 1 to 9, wherein the liquid outlet port of the coffee filter funnel is installed at the connecting port.

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