Coffee making device

By combining the ceramic water separator with the cup body and utilizing the far-infrared properties of silica, the problems of filter paper deformation and uneven hot water distribution during extraction are solved, resulting in more efficient coffee extraction and improved quality.

CN223968988UActive Publication Date: 2026-03-06赖荣豊
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

In existing coffee brewing devices, the filter paper is prone to deformation and displacement during the extraction process, resulting in poor extraction effect. Furthermore, it is difficult to pour hot water evenly onto the surface of the coffee powder, affecting the quality of the coffee liquid.

Method used

The filter paper is fixed in place by a ceramic water separator plate that works with the cup body. The water inlet holes are evenly distributed to ensure that hot water is poured evenly onto the surface of the coffee powder. The far-infrared properties of silica are used to improve the conversion efficiency of water molecule clusters, and the through-hole design maintains air pressure balance.

Benefits of technology

It effectively prevents filter paper deformation and displacement, improves extraction efficiency, enhances coffee liquid quality, and improves coffee liquid extraction efficiency through uniform watering and air pressure balance.

✦ Generated by Eureka AI based on patent content.

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Abstract

A coffee making device comprises a coffee container, a filter cup, filter paper and a ceramic water distribution piece. The filter cup is arranged on the coffee container, the filter cup comprises a cup bottom and a cup body located on the cup bottom, the cup bottom is provided with a liquid outlet hole, and the cup body defines a containing space communicated with the liquid outlet hole; the filter paper is arranged in the accommodating space; the ceramic water diversion piece is detachably placed in the cup body and positioned in the containing space, the ceramic water diversion piece is provided with a water inlet hole communicated with the containing space, and the ceramic water diversion piece is made of clay and silicon dioxide; the ceramic water diversion sheet is matched with the cup body to press and fix the filter paper, the ceramic water diversion sheet is matched with the filter paper to define an extraction space, and the ceramic water diversion sheet is matched with the cup body to define a water containing space. Therefore, deformation and displacement of the filter paper in the extraction process can be prevented, and the quality of coffee liquid can be improved.
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Description

Technical Field

[0001] This utility model relates to a beverage preparation device, and more particularly to a coffee brewing device. Background Technology

[0002] A coffee brewing device has a coffee pot and a filter cup placed on the coffee pot. When in use, filter paper is first placed into the filter cup, then coffee powder is poured into the filter paper, and then hot water is poured onto the surface of the coffee powder to extract coffee liquid that flows into the coffee pot.

[0003] Although the coffee brewing device has the function of extracting coffee liquid, the filter paper is prone to deformation and displacement during the extraction process because it must bear the weight of coffee powder and hot water, resulting in poor extraction effect and affecting the quality of coffee liquid. In addition, ordinary users cannot pour hot water evenly on the surface of coffee powder, which also affects the extraction effect and the quality of coffee liquid. Utility Model Content

[0004] The purpose of this invention is to provide a coffee-making device that can solve the aforementioned problems.

[0005] This invention relates to a coffee brewing device, which is suitable for placing filter paper and pouring hot water into the coffee powder inside the filter paper to extract coffee liquid. The coffee brewing device includes a coffee container, a filter cup, and a ceramic water separator.

[0006] The coffee container is used to hold the coffee liquid;

[0007] The filter cup is detachably mounted on the coffee container. The filter cup includes a cup bottom and a cup body located on the cup bottom. The cup bottom has a liquid outlet hole communicating with the coffee container, and the cup body defines an accommodating space communicating with the liquid outlet hole.

[0008] The ceramic water separator can be detachably placed on the cup body and positioned within the accommodating space. The ceramic water separator has a top surface and a bottom surface, and a water inlet extending from the top surface to the bottom surface. The water inlet communicates with the accommodating space.

[0009] The filter paper is placed in the receiving space, and the ceramic water separator plate cooperates with the cup body to press and fix the filter paper. The bottom surface of the ceramic water separator plate cooperates with the filter paper to define the extraction space, and the top surface of the ceramic water separator plate cooperates with the cup body to define the water holding space.

[0010] The coffee brewing device of this utility model has a filter cup with a truncated cone body and an inner conical surface that defines the accommodating space. The ceramic water separator is also a truncated cone and has an oblique circumferential surface that connects the top and bottom surfaces. The oblique circumferential surface and the inner conical surface cooperate to press and fix the filter paper. The top surface of the ceramic water separator and the inner conical surface cooperate to define the water-accommodating space.

[0011] In the coffee-making device described in this utility model, the water inlet holes of the ceramic water separator are evenly distributed.

[0012] The coffee brewing device of this utility model further includes an outer cup surface surrounding the inner surface of the cone, and a through hole extending from the outer cup surface to the inner surface of the cone, the through hole connecting to the accommodating space.

[0013] The coffee brewing device of this utility model has a cylindrical filter cup with a stepped inner surface that defines the accommodating space. The stepped inner surface has a baffle. The ceramic water separator is a circular piece and is positioned on the baffle. The bottom surface of the ceramic water separator cooperates with the baffle to press and fix the filter paper. The top surface of the ceramic water separator cooperates with the stepped inner surface to define the water accommodating space.

[0014] The coffee brewing device of this utility model further includes an outer cup surface surrounding the inner surface of the step, and a through hole extending from the outer cup surface to the inner surface of the step, the through hole connecting to the accommodating space.

[0015] The coffee brewing device of this utility model also has a handle disposed on the top surface of the ceramic water separator.

[0016] The coffee-making device of this invention uses a ceramic water separator made of clay and silicon dioxide.

[0017] The beneficial effects of this utility model are as follows: by pressing and fixing the filter paper with the ceramic water separator in cooperation with the cup body, the filter paper can be prevented from deforming or shifting during the extraction process. Furthermore, the hot water can be evenly poured onto the surface of the coffee powder through the water inlet hole, thereby improving the extraction effect and enhancing the quality of the coffee liquid. Attached Figure Description

[0018] Figure 1 This is an exploded perspective view of the first embodiment of the coffee-making device of this utility model;

[0019] Figure 2 This is a combined cross-sectional view of the first embodiment, showing the first embodiment used for extracting coffee liquid;

[0020] Figure 3This is an exploded perspective view of the second embodiment of the coffee-making device of this utility model;

[0021] Figure 4 This is a composite cross-sectional view of the second embodiment, showing the second embodiment used for extracting coffee liquid. Detailed Implementation

[0022] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Before the present invention is described in detail, it should be noted that similar elements are represented by the same numbers in the following description.

[0023] See Figure 1 , Figure 2 The first embodiment of the coffee brewing device of this utility model is used to evenly pour hot water 100 onto the surface of coffee powder 200 to extract coffee liquid 300. The first embodiment includes a coffee container 1, a filter cup 2, a filter paper 3 and a ceramic water separator 4.

[0024] The coffee container 1 is used to hold the coffee liquid 300. The coffee container 1 can be any container that can hold liquid, such as a coffee pot or a mug.

[0025] The filter cup 2 is detachably mounted on the coffee container 1. The filter cup 2 includes a cup base 21 and a cup body 22 located on the cup base 21. The cup base 21 has at least one liquid outlet hole 211 communicating with the coffee container 1, and the number of liquid outlet holes 211 may be one or more. The cup body 22 defines a receiving space 23 communicating with the liquid outlet hole 211. The cup body 22 is a truncated cone, having a conical inner surface 221 defining the receiving space 23, an outer cup surface 222 surrounding the conical inner surface 221, and a plurality of through holes 223 extending from the outer cup surface 222 to the conical inner surface 221, the through holes 223 communicating with the receiving space 23.

[0026] The outer diameter of the cup bottom 21 can be greater than or equal to the outer diameter of the bottom end of the cup body 22. The filter cup 2 can be placed on the coffee container 1 by sitting on the cup bottom 21, or it can be locked to the coffee container 1 by the cup body 22, so that the filter cup 2 can be detachably set on the coffee container 1.

[0027] The filter paper 3 can be removed from the ground and placed into the accommodating space 23.

[0028] The ceramic water separator 4 can be detachably placed on the cup body 22 and positioned within the accommodating space 23. The ceramic water separator 4 is a truncated conical plate with a trapezoidal cross-section. The ceramic water separator 4 has a top surface 41 and a bottom surface 42, an inclined circumferential surface 43 connecting the top surface 41 and the bottom surface 42, several water inlet holes 44 extending from the top surface 41 to the bottom surface 42, and a handle 45 disposed on the top surface 41. The water inlet holes 44 communicate with the accommodating space 23 and are evenly distributed. The inclined circumferential surface 43 cooperates with the inner surface 221 of the cone to press and fix the filter paper 3.

[0029] The ceramic water separator 4 is made of clay and silicon dioxide. It can be prepared by mixing silicon dioxide with clay to form a rough water separator blank, which is then sintered to form the ceramic water separator 4. Alternatively, silicon dioxide can be deposited onto the outer surface of a rough water separator blank made of clay, followed by sintering to form the ceramic water separator 4. Silicon dioxide has the property of emitting far-infrared rays and can resonate and convert large water molecule clusters into smaller water molecule clusters; this is common knowledge.

[0030] In use, first place the filter cup 2 on the coffee container 1, then place the filter paper 3 into the receiving space 23, wet the filter paper 3 so that it adheres to the conical inner surface 221 of the cup body 22, then pour the coffee powder 200 into the filter paper 3, place the ceramic water separator 4 into the cup body 22 and position it within the receiving space 23, and press and fix the filter paper 3 by the cooperation of the inclined circumferential surface 43 and the conical inner surface 221. At this time, the bottom surface 42 of the ceramic water separator 4 cooperates with the filter paper 3. An extraction space 51 is defined. The top surface 41 of the ceramic water separator 4 and the inner surface 221 of the cone define a water-containing space 52. Finally, hot water 100 is poured onto the top surface 41 of the ceramic water separator 4. The water-containing space 52 can hold the hot water 100. The hot water 100 can be evenly poured onto the surface of the coffee powder 200 through the water inlet hole 44. The coffee liquid 300 is extracted in the extraction space 51 and flows into the coffee container 1 through the liquid outlet hole 211.

[0031] In the first embodiment of this coffee brewing device, the filter paper 3 is pressed and fixed by the inclined circumferential surface 43 of the ceramic water separator 4 and the conical inner surface 221 of the cup body 22. This effectively prevents the filter paper 3 from deforming or shifting during the extraction process. Furthermore, the water inlet 44 allows the hot water 100 to be evenly poured onto the surface of the coffee powder 200, thus improving the extraction effect and enhancing the quality of the coffee liquid 300. In addition, the far-infrared radiation of silica, which can resonate and convert large water molecule clusters into smaller ones, further improves the extraction effect and enhances the quality of the coffee liquid 300. Finally, the through-hole 223 balances the air pressure inside and outside the extraction space 51, allowing the coffee liquid 300 to flow smoothly to the outlet 211, thereby improving the extraction effect and further enhancing the quality of the coffee liquid 300. It is worth noting that the filter paper 3 is designed to prevent liquid from flowing out of the filter paper 3, so the hot water 100 and the coffee liquid 300 in the extraction space 51 will not flow out of the cup body 22 through the through hole 223.

[0032] See Figure 3 , Figure 4 The second embodiment of the coffee brewing device of this utility model is also used to evenly pour hot water 100 onto the surface of coffee powder 200 to extract coffee liquid 300. The second embodiment includes a coffee container 1, a filter cup 6, a filter paper 3 and a ceramic water separator 7.

[0033] The filter cup 6 is detachably mounted on the coffee container 1. The filter cup 6 includes a cup base 61 and a cup body 62 located on the cup base 61. The cup base 61 has at least one outlet hole 611 communicating with the coffee container 1, and the number of outlet holes 611 can be one or more. The cup body 62 defines a receiving space 63 communicating with the outlet hole 611. The cup body 62 is cylindrical and has a stepped inner surface 621 defining the receiving space 63. The stepped inner surface 621 has a stop 622. The cup body 62 also has an outer cup surface 623 surrounding the stepped inner surface 621, and a plurality of through holes 624 extending from the outer cup surface 623 to the stepped inner surface 621, the through holes 624 communicating with the receiving space 63.

[0034] The outer diameter of the cup bottom 61 can be greater than or equal to the outer diameter of the bottom end of the cup body 62, and the filter cup 6 is placed on the coffee container 1 via the cup bottom 61.

[0035] The ceramic water separator 7 can be detachably placed on the cup body 62 and positioned within the accommodating space 63. The ceramic water separator 7 is a circular piece with a top surface 71 and a bottom surface 72, several water inlet holes 73 extending from the top surface 71 to the bottom surface 72, and a handle 74 disposed on the top surface 71. The water inlet holes 73 communicate with the accommodating space 63 and are evenly distributed. The ceramic water separator 7 is positioned on the baffle 622, and the bottom surface 72 of the ceramic water separator 7 cooperates with the baffle 622 to press and fix the filter paper 3.

[0036] The ceramic water separator 7 is made of clay and silicon dioxide. It can be made by mixing silicon dioxide into clay to form a rough water separator blank, and then sintering it to form the ceramic water separator 7. Alternatively, silicon dioxide can be attached to the outer periphery of the rough water separator blank made of clay, and then sintered to form the ceramic water separator 7.

[0037] In use, first place the filter cup 6 on the coffee container 1, then place the filter paper 3 into the receiving space 63, wet the filter paper 3 so that it adheres to the inner stepped surface 621 of the cup body 62, then pour the coffee powder 200 into the filter paper 3, place the ceramic water separator 7 into the cup body 62 and position it on the stop 622 of the inner stepped surface 621, and fix the filter paper 3 by the cooperation of the bottom surface 72 of the ceramic water separator 7 with the stop 622. At this time, the bottom surface 72 of the ceramic water separator 7 and the filter paper 3 are in contact. The paper 3 defines an extraction space 81. The top surface 71 of the ceramic water separator 7 and the inner surface 621 of the step define a water-containing space 82. Finally, hot water 100 is poured onto the top surface 71 of the ceramic water separator 7. The water-containing space 82 can hold the hot water 100. The water inlet 73 allows the hot water 100 to be evenly poured onto the surface of the coffee powder 200. The coffee liquid 300 is extracted in the extraction space 81 and flows into the coffee container 1 through at least one outlet 611.

[0038] In summary, the advantages of this coffee-making device are explained below.

[0039] I. The coffee brewing device of this utility model uses the inclined circumferential surface 43 of the ceramic water separator 4 to press and fix the filter paper 3 by cooperating with the conical inner surface 221 of the cup body 22, or uses the bottom surface 72 of the ceramic water separator 7 to press and fix the filter paper 3 by cooperating with the stop 622 of the stepped inner surface 621 of the cup body 62. This can effectively prevent the filter paper 3 from deforming or shifting during the extraction process. In addition, by setting the water inlet holes 44 and 73, the hot water 100 can be evenly poured onto the surface of the coffee powder 200. Thus, the extraction effect can be improved to enhance the quality of the coffee liquid 300.

[0040] II. The ceramic water separators 4 and 7 of this utility model are made of clay and silicon dioxide. Silicon dioxide has the property of emitting far-infrared rays, which can resonate and convert large water molecule clusters into small water molecule clusters, thereby improving the extraction effect and making the coffee liquid 300 of better quality.

[0041] Third, the coffee brewing device of this utility model has several through holes 222 and 624 in the cup body 22 and 62, which can balance the air pressure inside and outside the extraction space 51 and 81, so that the coffee liquid 300 can flow smoothly to the liquid outlet hole 211 and 611, thereby improving the extraction effect and making the coffee liquid 300 of better quality.

[0042] The above description is merely an embodiment of this utility model and should not be construed as limiting the scope of this utility model. Any simple equivalent changes and modifications made in accordance with the claims and description of this utility model shall still fall within the scope of this utility model.

Claims

1. A coffee brewing device adapted for placing a filter paper and pouring hot water into coffee powder in the filter paper to extract coffee liquid, the coffee brewing device comprising a coffee container, a filter cup and a ceramic water dividing sheet; characterized in that: the coffee container is used for containing the coffee liquid; the filter cup is detachably arranged on the coffee container, the filter cup comprises a cup bottom and a cup body on the cup bottom, the cup bottom has a liquid outlet hole communicating with the coffee container, and the cup body defines a containing space communicating with the liquid outlet hole; the ceramic water dividing sheet is detachably arranged in the cup body and positioned in the containing space, the ceramic water dividing sheet has a top surface and a bottom surface, and a water inlet hole extending from the top surface to the bottom surface, and the water inlet hole communicates with the containing space; wherein the filter paper is placed in the containing space, the ceramic water dividing sheet and the cup body cooperate to press and fix the filter paper, the bottom surface of the ceramic water dividing sheet cooperates with the filter paper to define an extraction space, and the top surface of the ceramic water dividing sheet cooperates with the cup body to define a water containing space.

2. The coffee brewing device of claim 1, wherein: The cup body of the filter cup is a truncated cone, the cup body has a conical inner surface defining the containing space, the ceramic water dividing sheet is a truncated cone sheet, the ceramic water dividing sheet further has an inclined peripheral surface connecting the top surface and the bottom surface, the inclined peripheral surface cooperates with the conical inner surface to press and fix the filter paper, and the top surface of the ceramic water dividing sheet cooperates with the conical inner surface to define the water containing space.

3. The coffee brewing device of claim 2, wherein: The water inlet holes of the ceramic water dividing sheet are uniformly distributed.

4. The coffee brewing device of claim 2, wherein: The cup body further has an outer cup surface surrounding the conical inner surface, and a through hole extending from the outer cup surface to the conical inner surface, and the through hole communicates with the containing space.

5. The coffee brewing device of claim 1, wherein: The cup body of the filter cup is a cylinder, the cup body has a stepped inner surface defining the containing space, the stepped inner surface has a blocking portion, the ceramic water dividing sheet is a circular sheet, the ceramic water dividing sheet is positioned on the blocking portion, the bottom surface of the ceramic water dividing sheet cooperates with the blocking portion to press and fix the filter paper, and the top surface of the ceramic water dividing sheet cooperates with the stepped inner surface to define the water containing space.

6. The coffee brewing device of claim 5, wherein: The water inlet holes of the ceramic water dividing sheet are uniformly distributed.

7. The coffee brewing device of claim 5, wherein: The cup body further has an outer cup surface surrounding the stepped inner surface, and a through hole extending from the outer cup surface to the stepped inner surface, and the through hole communicates with the containing space.

8. The coffee brewing device of claim 1, wherein: The ceramic water dividing sheet further has a handle arranged on the top surface.

9. The coffee brewing device of claim 1, wherein: The material of the ceramic water dividing sheet is clay and silicon dioxide.