Deep concave tea making funnel and teacup structure

Abstract

The invention relates to the technical field of tea strainers, and discloses a deep concave tea making funnel and teacup structure which comprises a filter screen and a frame, the filter screen comprises warp components and weft components, the adjacent warp components are arranged in parallel, the warp components comprise warp protrusions and warp recesses which are periodically and alternately arranged, and the warp protrusions and the warp recesses are arranged in parallel. The warp-direction bulges and the warp-direction recesses of the adjacent warp-direction components are arranged in a staggered manner to form filtering holes; the weft-wise components penetrate through the filtering holes; a first-stage filtering surface is formed by the warp-direction bulges and the weft-direction components, and a second-stage filtering surface is formed by the weft-direction components and the warp-direction recesses; the upper surface of the filter screen is provided with a flow guide gully formed by arranging the warp-wise components; the method has the advantages that the tea feeding amount and the tea-water ratio are not considered, and the tea output concentration can be adjusted, and the problems that in the prior art, the tea making operation threshold is high, the extraction efficiency is low, and the concentration adjusting operation is complex are solved.

Description

Technical Field

[0001] This invention relates to the field of tea strainer technology, specifically to a deep concave tea-brewing funnel and teacup structure. Background Technology

[0002] Tea strainers, as common teaware accessories, are widely used in the tea brewing process, primarily for filtering tea leaves, separating tea liquor from tea residue, and improving the drinking experience. Traditional tea strainers typically employ a flat or shallowly curved filter structure, made of materials such as stainless steel, ceramic, silicone, or cloth. They are placed on the rim of a cup or teapot, relying on immersion to allow the tea leaves to fully unfurl. However, most existing tea strainer designs focus solely on filtration, neglecting water flow control, brewing efficiency, and ease of use. This often leads to problems such as uneven tea liquor concentration, under- or over-extraction, and inconvenient operation.

[0003] Existing tea strainers and brewing methods have the following main drawbacks: First, traditional immersion brewing relies on precise tea quantity and steeping time, which has a high operational threshold and is easily affected by human factors in terms of tea quality; second, the flat or shallow arc-shaped filter structure leads to water dispersion, low extraction efficiency, and the filtration speed is easily affected by tea leaf accumulation; In the invention patent with publication number CN115088996A, a tea strainer mechanism that can be raised and lowered inside a teacup is disclosed, which realizes the function of adjusting the tea concentration by adjusting the depth of the tea strainer in the cup, but the operation is complicated and requires manual rotation of the adjustment screw. Summary of the Invention

[0004] (I) Technical problem to be solved: In view of the shortcomings of the prior art, the present invention provides a deep concave tea brewing funnel and teacup structure, which has the advantages of not being particular about the amount of tea or the tea-to-water ratio, and being able to adjust the tea concentration. This solves the problems of high threshold for tea brewing operation, low extraction efficiency, and complicated operation of adjusting concentration in the prior art.

[0005] (II) Technical Solution: To achieve the above-mentioned goals of not being particular about the amount of tea leaves or the tea-to-water ratio, not being too hot to handle, and being able to adjust the tea concentration, the present invention provides the following technical solution: a deep concave tea brewing funnel and teacup structure, including a filter screen and a frame, wherein the filter screen is disposed inside the frame, and the filter screen includes warp members and weft members, characterized in that: adjacent warp members are arranged in parallel, the warp members include periodically alternating warp protrusions and warp depressions, and the warp protrusions and warp depressions of adjacent warp members are staggered to form filter holes; the weft members extend in a direction perpendicular to the warp members and penetrate the filter holes; the warp protrusions and the weft members constitute a first-level filter surface, and the weft members and the warp depressions constitute a second-level filter surface; the upper surface of the filter screen has guide grooves formed by the arrangement of the warp members.

[0006] Preferably, the inner side of the frame is provided with an annular locking structure, the edge of the filter screen is detachably fitted into the annular locking structure, and the fixed filter screen presents a curved surface shape that is concave inward.

[0007] Preferably, the frame is a circular structure, and the outer circumference of the frame is provided with an array of positioning blocks; an adjustment frame is provided on the outer side of the frame, the adjustment frame includes vertically distributed limiting grooves, the limiting grooves include a first limiting groove and a second limiting groove, the first limiting groove and the second limiting groove are distributed in a circumferential array on the adjustment frame, the positioning blocks are slidable inside the first limiting groove and the second limiting groove, and the depth of the first limiting groove in the vertical direction is shorter than that of the second limiting groove.

[0008] Preferably, the number of positioning blocks is three, and the number of the first limiting groove and the number of the second limiting groove are the same as the number of positioning blocks.

[0009] Preferably, the limiting groove includes a third limiting groove, the depth of which in the vertical direction is greater than that of the first limiting groove and less than that of the second limiting groove. The number of the third limiting grooves is the same as that of the positioning block, and the third limiting grooves are distributed in a circumferential array on the adjusting frame.

[0010] Preferably, the adjusting frame is a vertical hollow cylindrical structure, and the limiting grooves are all formed on the inner wall of the adjusting frame and do not penetrate the adjusting frame; the adjusting frame is made of elastic material.

[0011] Preferably, the adjusting frame includes a sealing cover made of an elastic material; the lower surface of the sealing cover is provided with sealing plugs that match the number, position, and size of the limiting grooves; when the sealing cover is placed above the adjusting frame, the interior of the adjusting frame is sealed.

[0012] Preferably, the adjusting frame includes a sealing strip, the length of which is greater than the depth difference between the first limiting groove and the second limiting groove, and the shape of the sealing strip matches that of the limiting groove.

[0013] Preferably, the frame is snapped onto the adjustment frame, and there is no seal between the frame and the adjustment frame.

[0014] Preferably, the filter screen has a hemispherical structure.

[0015] (III) Beneficial Effects: Compared with the prior art, the present invention provides a deep concave tea brewing funnel and teacup structure, which has the following beneficial effects: 1. This deep concave tea brewing funnel and teacup structure, through a special filter design formed by parallel arranged warp components and vertically penetrating weft components, combined with the periodically alternating protrusions and depressions on the warp components, constructs a multi-stage filtration channel. This innovative structure allows water to be initially filtered by the protruding parts when passing through the filter, then intercepted a second time by the weft components, and finally finely filtered by the concave parts, forming a stepped extraction effect. The naturally formed guide grooves on the filter surface promote water flow to converge towards the center. Combined with the adjustable brewing height design, it can avoid the bitterness caused by excessive extraction of fine black tea leaves and prevent oxidation of green tea caused by prolonged contact with high temperature, allowing different types of tea to release their best flavor under suitable conditions. This structure achieves intelligent concentration control through mechanical means, obtaining a stable and high-quality brewing effect without complicated operation.

[0016] 2. The deep concave tea funnel and teacup structure, through the periodic arrangement of the convex and concave parts of the meridional component and the vertical penetration of the latitudinal component, achieves dynamic adjustability of the filter hole structure, flexibly influencing the contact time between water and tea. At the same time, since the filter holes are formed by the combination of convex and concave parts, when a sealing cover is set on the top of the tea funnel, a sealed space is formed inside the filter screen. Under the action of liquid surface tension, the filter holes will produce an adaptive closing effect, effectively prolonging the retention time of water in the tea funnel. This achieves controllable concentration of immersion extraction, allowing a single device to have the advantages of both rapid brewing and immersion extraction, significantly improving the controllability of tea quality and brewing efficiency.

[0017] 3. This concave tea infuser and teacup structure, by adding a positioning block to the outer circumference of the frame and cooperating with an adjustment bracket with multi-level limiting grooves, achieves flexible adjustment of the tea infuser height during brewing. When set to the high position, less water is inside, resulting in a stronger tea soup; when set to the low position, the water level is lower, and more water is inside, suitable for brewing a light tea soup. Users only need to select the appropriate height of the limiting groove and place the positioning block into it to precisely control the tea soup concentration according to their personal taste preferences. Compared with existing technologies that require water to be poured to a certain height to steep the tea leaves, this structure cleverly applies physical principles to teaware design, achieving a precise concentration control effect that is difficult to achieve with traditional teaware while maintaining ease of operation. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the tea strainer of the present invention without a positioning block; Figure 2 This is a schematic diagram showing the arrangement of the warp and weft components of the present invention; Figure 3 This is a cross-sectional view of the filter portion of the present invention; Figure 4 This is a top view schematic diagram of the filter section in this invention; Figure 5 A schematic diagram showing the present invention with positioning blocks on the frame and the filter holes not shown. Figure 6 This is a schematic diagram of the adjustment frame in one embodiment of the present invention; Figure 7 This is a cross-sectional schematic diagram of the adjustment frame in one embodiment of the present invention; Figure 8 This is a schematic diagram of the sealing cap of the present invention; Figure 9 This is a schematic diagram of the sealing strip of the present invention; Figure 10 This is a schematic diagram of the structure when the funnel is installed inside the adjusting frame in one embodiment of the present invention; Figure 11 This is a schematic diagram of the adjustment frame in another embodiment of the present invention.

[0019] In the picture: 1. Filter screen; 11. Warp component; 111. Warp protrusion; 112. Warp depression; 12. Weft component; 13. Filter hole; 14. Guide channel; 2. Frame; 21. Positioning block; 22. Circular interlocking structure; 3. Adjusting bracket; 31. First limiting groove; 32. Second limiting groove; 33. Third limiting groove; 34. Sealing cover; 341. Sealing plug; 4. Sealing strip. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Please see Figures 1-4A concave tea-brewing funnel and teacup structure includes a filter screen 1 and a frame 2. The inner side of the frame 2 has an annular locking structure 22. The edge of the filter screen 1 is detachably fitted into the annular locking structure 22, and the fixed filter screen 1 has an inwardly concave curved surface shape to prevent deformation. The specific fitting method is a common existing technology and will not be described in detail here. In this embodiment, the filter screen 1 has a hemispherical structure with flow-guiding grooves 14 on its surface, allowing water to naturally converge towards the center of the filter screen 1 and form a directional impact. Compared with the traditional direct soaking method, the water flow impact force per unit area of ​​tea leaves is significantly increased. This innovative structure not only greatly shortens the brewing time but also increases the tea soup concentration through a secondary filtration process. Simultaneously, due to the faster flow rate... Furthermore, the water is concentrated below the center, making the edges less likely to get hot compared to existing technologies. The filter screen 1 is located inside the frame 2. The filter screen 1 includes warp members 11 and weft members 12. In this embodiment, the warp members 11 and weft members 12 are made of food-grade stainless steel. Adjacent warp members 11 are arranged in parallel. Each warp member 11 includes periodically alternating warp protrusions 111 and warp recesses 112, and the warp protrusions 111 and warp recesses 112 of adjacent warp members 11 are staggered to form filter holes 13. The weft members 12 extend in a direction perpendicular to the warp members 11 and penetrate the filter holes 13. Since the filter holes 13 are formed by the combination of protrusions and recesses, when the water above the tea strainer... When the sealing cap 34 is set, a sealed space is formed inside the filter screen 1. Under the action of liquid surface tension, the filter holes 13 will produce an adaptive closing effect, effectively prolonging the retention time of water in the tea strainer, thereby realizing the controllability of the concentration of immersion extraction. This allows a single device to have the advantages of both rapid brewing and immersion extraction, significantly improving the controllability of tea quality and brewing efficiency. The meridional protrusion 111 and the latitudinal component 12 form the first-stage filtration surface, and the latitudinal component 12 and the meridional depression 112 form the second-stage filtration surface. This innovative structure allows water to be initially filtered by the protrusions when passing through the filter screen, then intercepted a second time by the latitudinal component, and finally finely filtered by the depression, forming a stepped extraction effect. The upper surface of the filter screen 1 has a... The guide channels 14 formed by the arrangement of the radial components 11 promote water flow to converge towards the center. Combined with the adjustable brewing height design, it can avoid the bitterness caused by excessive extraction of fine black tea leaves and prevent oxidation of green tea caused by prolonged contact with high temperature. This allows different types of tea to release their best flavor under suitable conditions. In this embodiment, the filter screen 1 has a height of 37mm, an overall diameter of 80mm, an internal diameter of 6.6mm, and a pore area of ​​70-80%. In the test, this tea strainer is the fastest compared to the extraction machine and direct brewing. The concentration is between that of direct brewing and the extraction machine, but the cost and operation difficulty are much lower than the extraction machine. It breaks through in terms of cost performance, efficiency, and operation difficulty, and improves the user's tea brewing experience.

[0022] Please see Figures 5-7 ,in Figure 5 The detailed structure of filter 1 is not shown and is for illustrative purposes only. The frame 2 is circular, with an array of positioning blocks 21 arranged on its outer circumference. An adjustment frame 3 is located on the outer side of the frame 2, comprising vertically distributed limiting grooves, including a first limiting groove 31 and a second limiting groove 32. The first and second limiting grooves 31 and 32 are arranged in a circumferential array on the adjustment frame 3. The positioning blocks 21 are slidable within the first and second limiting grooves 31 and 32. The vertical depth of the first limiting groove 31 is shorter than that of the second limiting groove 32. Due to the impact and pressure of the water flow, users at higher positions can select the appropriate depth of the limiting groove according to the desired concentration. There are three positioning blocks 21, and the number of first and second limiting grooves 31 is [not specified]. Similar to positioning block 21, the invention patent with publication number CN115088996A discloses a tea strainer mechanism that can be raised and lowered inside a teacup. It can also adjust the height of the tea strainer in the cup, but it requires rotating a screw and setting up an entire support system, which is complex and inconvenient to operate. In comparison, the user only needs to snap the positioning block 21 outside the frame 2 into the corresponding limiting groove to realize the installation of the present invention. In actual use, the height of a short distance does not have a significant impact on the concentration of tea. Therefore, using multi-level limiting grooves to change the height position can already meet the needs of daily life. Moreover, the design of raising and lowering the teacup through threads is prone to bacteria residue at the threads, and the threads are not easy to clean, making the daily tea drinking process more cumbersome and unhygienic.

[0023] Please see Figures 6-7 In this embodiment, in order to increase the concentration gradient and adapt to the tea brewing needs of different water volumes, the limiting groove also includes a third limiting groove 33. The depth of the third limiting groove 33 in the vertical direction is greater than that of the first limiting groove 31 and less than that of the second limiting groove 32. The number of third limiting grooves 33 is the same as that of the positioning block 21. The third limiting grooves 33 are distributed in a circular array on the adjusting frame 3. In actual production, limiting grooves with different depths can be designed according to the required concentration gradient. If an additional fourth limiting groove or fifth limiting groove is designed in the embodiment, it is the same as in this embodiment.

[0024] Please see Figures 6-11 ,in Figure 11The funnel portion is not shown in its entirety and is only for graphic reference. The adjusting frame 3 is a vertical, hollow cylindrical structure. The limiting grooves are all located on the inner wall of the adjusting frame 3 and do not penetrate the adjusting frame 3. Therefore, when the frame 2 is placed inside the adjusting frame 3, the lower surface of the positioning block 21 coincides with the upper surface of the lowest end of the limiting groove. The adjusting frame 3 is made of elastic material, thus ensuring a certain degree of relative sealing. The adjusting frame 3 includes a sealing cover 34, which is also made of elastic material. The lower surface of the sealing cover 34 is provided with sealing plugs 341 that match the number, position, and size of the limiting grooves. When the sealing cover 34 is placed above the adjusting frame 3, the interior of the adjusting frame 3 is sealed. The adjusting frame 3 includes a sealing strip 4. The length of the sealing strip 4 is greater than the depth difference between the first limiting groove 31 and the second limiting groove 32. The sealing strip 4 matches the shape of the limiting groove. Therefore, when the user needs to use the soaking function of this invention, only... The positioning block 21 needs to be placed at the bottom of a certain height limiting groove. If the user selects a groove other than the first limiting groove 31, the sealing strip 4 can be used to fill the remaining limiting grooves, and then the sealing cover 34 can be put on to seal the tea strainer and the internal space of the adjusting rack 3. At this time, the water in the tea strainer will no longer fall, thus achieving the soaking of tea leaves. Different soaking heights correspond to different water volumes to meet user needs. When the height is set, there is less water inside, resulting in a stronger tea soup. When the height is set, the water level is lower, and there is more water inside, which is suitable for brewing a light tea soup. Users only need to simply select the limiting groove of a suitable height and place the positioning block of the frame into it to accurately control the concentration of the tea soup according to their personal taste preferences. Compared with the existing technology, which requires water to be poured to a certain height to soak the tea leaves, this structure cleverly applies physical principles to the design of teaware, achieving a precise concentration control effect that is difficult to achieve with traditional teaware while maintaining ease of operation.

[0025] Please see Figure 11 In another embodiment of the present invention, when the user does not need to soak the tea leaves, the frame 2 can be directly attached to the adjustment frame 3a. In this embodiment, the frame 2 and the adjustment frame 3a are not sealed, so they are easier to disassemble and clean, and more convenient to use. When the user needs strong tea, he / she can use low-position brewing, and when he / she needs weak tea, he / she can use high-position brewing.

[0026] In summary, the concave tea infuser and teacup structure provided by this invention achieves intelligent tea infusion control through three innovative designs: First, the special filter screen 1, with its interlaced arrangement of warp and weft components 12, combined with a hemispherical concave structure and a high pore area ratio of 70%-80%, allows water to naturally converge towards the center, forming a directional impact. This not only improves brewing efficiency but also significantly increases the concentration of the tea infusion through a secondary filtration process, while perfectly solving the problems of bitterness in black tea and oxidation in green tea. Second, the innovative raised-recessed combined filter hole 13 design, when used with the sealing cap 34, allows for adaptive adjustment of the pore size using liquid surface tension, enabling the single device to have both rapid drip filtration and controlled steeping modes. Finally, the precise adjustment of the tea infuser height is achieved through the cooperation of the positioning block 21 on the frame 2 and the multi-level limiting groove adjustment bracket 3. Users can easily obtain personalized tea infusions, from light to strong, by simply selecting the limiting setting and adjusting the water volume as needed. The synergistic effect of these three technologies enables this structure to surpass traditional teaware in terms of brewing efficiency, concentration control, and ease of operation.

[0027] In practical use, users can use two cups of the same capacity with the funnel. First, pour the water needed for brewing tea into one cup, and place the funnel in the other cup, adding tea leaves to the funnel. Pour the water from the cup into the funnel. After the tea has finished flowing down the funnel, transfer the funnel to the empty cup to obtain a cup of Gongfu tea. In existing technology, filtering Gongfu tea requires brewing in a gaiwan (lidded bowl), skimming off broken tea leaves with the lid, and then pouring it out. This operation is difficult, and broken tea leaves are not easily filtered out completely by the lid, resulting in a lot of tea residue leaking out when pouring the tea. However, this invention uses a precision filter structure to completely intercept tea residue, eliminating the complicated operation of "opening the lid - skimming the foam - controlling the flow" in traditional gaiwan brewing. It can be completed in just three simple steps: "pour water - wait - transfer the cup". The special structure of the funnel ensures the purity of the tea soup while fully preserving the layered flavors of Gongfu tea, allowing even beginners to obtain a clean, clear, and pure-tasting tea soup experience without the need for the lid.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A deep concave tea-brewing funnel and teacup structure, comprising a filter (1) and a frame (2), wherein the filter (1) is disposed inside the frame (2), and the filter (1) comprises a warp member (11) and a weft member (12), characterized in that: The adjacent warp members (11) are arranged in parallel. The warp members (11) include periodically alternating warp protrusions (111) and warp recesses (112), and the warp protrusions (111) and warp recesses (112) of adjacent warp members (11) are staggered to form filter holes (13). The weft members (12) extend in a direction perpendicular to the warp members (11) and penetrate the filter holes (13). The warp protrusions (111) and the weft members (12) constitute a first-level filter surface, and the weft members (12) and the warp recesses (112) constitute a second-level filter surface. The upper surface of the filter screen (1) has guide grooves (14) formed by the arrangement of the warp members (11).

2. The structure of the concave tea-brewing funnel and teacup according to claim 1, characterized in that: The inner side of the frame (2) is provided with an annular locking structure (22), and the edge of the filter (1) is detachably fitted into the annular locking structure (22), and the fixed filter (1) presents a curved surface shape that is concave inward.

3. The structure of the concave tea-brewing funnel and teacup according to claim 1, characterized in that: The frame (2) is a circular structure, and the outer circumference of the frame (2) is provided with an array of positioning blocks (21); an adjustment frame (3) is provided on the outer side of the frame (2), the adjustment frame (3) includes vertically distributed limiting grooves, the limiting grooves include a first limiting groove (31) and a second limiting groove (32), the first limiting groove (31) and the second limiting groove (32) are distributed in a circumferential array on the adjustment frame (3), the positioning block (21) can slide inside the first limiting groove (31) and the second limiting groove (32), and the depth of the first limiting groove (31) in the vertical direction is shorter than that of the second limiting groove (32).

4. The structure of the deep concave tea-brewing funnel and teacup according to claim 3, characterized in that: The number of positioning blocks (21) is three, and the number of the first limiting groove (31) and the second limiting groove (32) is the same as that of the positioning blocks (21).

5. The structure of the concave tea-brewing funnel and teacup according to claim 3, characterized in that: The limiting groove includes a third limiting groove (33), the depth of the third limiting groove (33) in the vertical direction is greater than that of the first limiting groove (31) and less than that of the second limiting groove (32), the number of the third limiting groove (33) is the same as that of the positioning block (21), and the third limiting groove (33) is distributed in a circular array on the adjusting frame (3).

6. The structure of the deep concave tea-brewing funnel and teacup according to claim 3, characterized in that: The adjustment frame (3) is a vertical hollow cylindrical structure. The limiting grooves are all opened on the inner wall of the adjustment frame (3) and do not penetrate the adjustment frame (3). The adjustment frame (3) is made of elastic material.

7. The structure of the concave tea-brewing funnel and teacup according to claim 6, characterized in that: The adjusting frame (3) includes a sealing cover (34) made of elastic material; the lower surface of the sealing cover (34) is provided with sealing plugs (341) that match the number, position and size of the limiting grooves; when the sealing cover (34) is placed above the adjusting frame (3), the interior of the adjusting frame (3) is sealed.

8. The structure of the concave tea-brewing funnel and teacup according to claim 7, characterized in that: The adjusting frame (3) includes a sealing strip (4), the length of which is greater than the depth difference between the first limiting groove (31) and the second limiting groove (32), and the sealing strip (4) matches the shape of the limiting groove.

9. The structure of the concave tea-brewing funnel and teacup according to claim 1, characterized in that: The frame (2) is snapped onto the adjustment frame (3), and there is no seal between the frame (2) and the adjustment frame (3).

10. A concave tea-brewing funnel and teacup structure according to any one of claims 1-9, characterized in that: The filter (1) has a hemispherical structure.

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