A type of insulated filter cup

By designing an insulation wall and insulation groove on the outside of the filter cup body, combined with a flow-guiding rib structure, the problem of insufficient insulation in traditional filter cups is solved, enabling coffee extraction in a stable temperature environment and improving the flavor and aroma of coffee.

CN224441007UActive Publication Date: 2026-07-03GUANGDONG QICAI MAHJONG TRADING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG QICAI MAHJONG TRADING CO LTD
Filing Date
2025-07-26
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Traditional filter cup designs neglect heat preservation, causing the water temperature to drop during the extraction process, resulting in uneven extraction of coffee flavor. Furthermore, the contact between hot coffee liquid and a cold container accelerates the volatilization of aromatic substances, weakening the coffee's aroma.

Method used

A heat-insulating filter cup has been designed, comprising a filter cup body and an outer heat-insulating wall to form a heat-insulating groove. The inner wall of the filter cup body is provided with flow-guiding ribs. The filter cup body and the heat-insulating wall are integrally formed, and the top is higher than the heat-insulating wall to maintain a high or low temperature state.

Benefits of technology

It effectively maintains a stable temperature environment, reduces the temperature difference between the filter cup body and the injected hot water, and improves the uniformity and flavor of coffee extraction.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of filtration device technology, and more particularly to a heat-insulating filter cup, comprising a filter cup body and a drain hole disposed at the bottom of the filter cup body. A heat-insulating wall is provided on the outer side of the filter cup body, and a heat-insulating groove is formed between the heat-insulating wall and the filter cup body. The heat-insulating filter cup of this application has a heat-insulating function, which can improve the extraction effect.
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Description

Technical Field

[0001] This utility model relates to the field of filtration device technology, and in particular to a heat-insulating filter cup. Background Technology

[0002] Drinking coffee can help relieve fatigue and refresh the mind, making it a common way to stay alert in daily life. In the specialty coffee world and among casual coffee enthusiasts, pour-over coffee is widely popular due to its unique advantages. It not only showcases the rich flavors of coffee but also offers a sense of ritual, health benefits, affordability, and social interaction.

[0003] The pour-over coffee brewing process typically includes grinding coffee beans, wetting the filter paper, preheating the equipment, evenly distributing the coffee grounds, and pouring water for extraction. The ideal extraction temperature is 90-96℃, and because various substances in coffee are extremely sensitive to temperature, the heat retention of the filter is crucial to coffee quality. However, traditional filter designs often neglect heat retention, allowing heat to dissipate rapidly through the filter walls. This causes a sharp drop in water temperature at the filter walls during extraction, negatively impacting the coffee's extraction. Especially during the segmented pouring stage, unstable water temperatures can lead to uneven flavor extraction, resulting in excessive acidity or insufficient sweetness. Furthermore, the temperature difference between the hot coffee liquid and the cold container accelerates the volatilization of aromatic compounds, weakening the coffee's aroma. Utility Model Content

[0004] To address the problems mentioned above, this invention provides a heat-insulating filter cup that has a heat-insulating function and can improve the extraction effect.

[0005] The solution adopted by this utility model to solve its technical problem is: a heat-insulating filter cup, including a filter cup body and a drain hole disposed at the bottom of the filter cup body, wherein a heat-insulating wall is provided on the outer side of the filter cup body, and a heat-insulating groove is formed between the heat-insulating wall and the filter cup body.

[0006] Furthermore, the inner wall of the filter cup body is provided with flow guiding ribs.

[0007] Furthermore, the filter cup body and the insulation wall are integrally formed.

[0008] Furthermore, the top of the filter cup body is higher than the insulation wall.

[0009] In summary, the beneficial effects of this utility model are as follows: the outer side of the filter cup body of this application is provided with a heat insulation wall, and a heat insulation groove is formed between the heat insulation wall and the filter cup. A high-temperature medium or a low-temperature medium can be placed in the heat insulation groove, thereby keeping the filter cup body in a high-temperature or low-temperature state.

[0010] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0011] Figure 1 This is a top view of this embodiment;

[0012] Figure 2 This is a bottom view of this embodiment.

[0013] In the diagram: 1. Filter cup body; 2. Drainage hole; 3. Insulation wall; 4. Insulation tank; 5. Guide ribs. Detailed Implementation

[0014] To make the content of this utility model easier to understand, the present utility model will be further described below with reference to specific embodiments and accompanying drawings.

[0015] It should be noted that the terms "center," "upper," "lower," "front," "rear," "left," "right," "inner," and "outer" used herein to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Unless otherwise stated, "a plurality of" means two or more.

[0016] Unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0017] like Figures 1 to 2 As shown, a heat-insulating filter cup includes a filter cup body 1 and a drain hole 2 disposed at the bottom of the filter cup body 1. A heat-insulating wall 3 is provided on the outer side of the filter cup body 1, and a heat-insulating groove 4 is formed between the heat-insulating wall 3 and the filter cup body 1.

[0018] In this embodiment, the filter cup body 1 is conical. The user can pour hot water into the heat preservation tank 4 to keep the filter cup body 1 at a high temperature. After placing filter paper or metal filter screen inside the filter cup body 1, wet it with hot water to remove the paper taste and preheat the filter cup. Then, put the filter material into the filter paper or filter screen, and place the container for holding the filtrate at the bottom of the heat preservation filter cup. After pouring solid substances, such as coffee powder or tea leaves, into the filter cup body 1, hot water can be poured in to filter and separate the solid residue and extract a drinkable liquid.

[0019] The filter cup in this embodiment, through the above design, can effectively maintain a stable temperature environment, reduce the temperature difference between the filter cup body 1 and the injected hot water, thereby extracting a filtrate with better flavor.

[0020] Optionally, the filter cup body 1 in this embodiment can also be trapezoidal or cylindrical. For ease of filtration, the filter cup body 1 is preferably conical.

[0021] In this embodiment, the inner wall of the filter cup body 1 is provided with flow-guiding ribs 5. Optionally, the flow-guiding ribs 5 can be vertically distributed, spirally distributed, transversely wave-shaped distributed, or densely arranged in segments. To guide the longitudinal flow of water, prolong the contact time between water and the filtered material, and improve the uniformity of extraction, the flow-guiding ribs 5 in this embodiment are preferably arranged as follows: Figure 1 The diagram shows a slight spiral pattern distributed vertically.

[0022] In this embodiment, the filter cup body 1 and the insulation wall 3 are integrally formed, and the top of the filter cup body 1 is higher than the insulation wall 3. Optionally, the filter cup body 1 and the insulation wall 3 in this embodiment can be made of ceramic, glass or metal.

[0023] Optionally, in this embodiment, the filter cup body 1 and the insulation wall 3 can be set separately, and a sealing ring is provided at the connection between the filter cup body 1 and the insulation wall 3 to prevent water leakage.

[0024] Optionally, a handle may be provided on the outside of the insulation wall 3 in this embodiment.

[0025] Optionally, a support ring may also be provided at the bottom of the filter cup body 1 in this embodiment. The support ring is used to support the filter cup body 1 on the opening at the top of the container holding the filtrate.

[0026] The embodiments described above are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and modifications made by those skilled in the art based on this utility model shall fall within the scope of protection of this utility model.

Claims

1. A heat-retaining filter cup comprising a filter cup body (1) and a liquid discharge hole (2) provided at the bottom of the filter cup body (1), characterized in that, The filter cup body (1) is provided with a heat insulation wall (3) on the outside, and a heat insulation groove (4) is formed between the heat insulation wall (3) and the filter cup body (1).

2. A thermal carafe according to claim 1, characterized in that The filter cup body (1) has flow guiding ribs (5) on its inner wall.

3. The insulated tumbler of claim 1, wherein The filter cup body (1) and the insulation wall (3) are integrally formed.

4. The insulated tumbler of claim 1, wherein The top of the filter cup body (1) is higher than the insulation wall (3).