Coffee making device
By integrating the extraction basket and pressurization device into the cup, the problems of portability and operation complexity of existing coffee equipment are solved, enabling convenient coffee extraction and rich coffee production, making it suitable for mobile and outdoor use.
Patent Information
- Application Number
- CN202520112719.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-17
AI Technical Summary
Existing coffee extraction equipment is not portable, is complicated to operate, and has limited functions, which cannot meet the needs of people who love coffee but are often on the move or in outdoor environments.
Design a cup that integrates coffee extraction function, including an extraction basket, a lid and a pressurizing device. The pressurizing device pressurizes the inside of the extraction basket to promote full contact between hot water and coffee powder, thus realizing on-site coffee extraction.
It enables convenient coffee making, improves extraction efficiency and coffee richness, and is suitable for enjoying fresh coffee anytime, anywhere in various places. It is easy to operate and suitable for beginners.
Smart Images
Figure CN223731195U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of beverage preparation appliances, and particularly relates to a coffee making device. BACKGROUND
[0002] The common coffee extraction methods on the market at present mainly include coffee machine extraction and hand-pouring extraction. The coffee machine is usually large in size, high in price and needs to be connected with an external power supply, and is inconvenient to carry and use in places without power supply such as outdoors; the hand-pouring coffee needs to additionally prepare various appliances such as filter paper, filter cup and hand-pouring kettle, and the operation is relatively complicated, and these appliances are also inconvenient to store and carry. In addition, the existing ordinary cup only has the function of containing liquid and cannot realize on-site extraction of coffee. Therefore, for people who like coffee but are often in a mobile state or outdoor environment, the existing coffee extraction method and appliance cannot well meet their demand for enjoying fresh extracted coffee anytime and anywhere. SUMMARY
[0003] In order to solve the problems in the prior art, the utility model provides a cup capable of directly extracting coffee, solves the problems of poor portability, complicated operation of the existing coffee extraction appliance and single function of the ordinary cup, and enables users to conveniently and quickly make fresh coffee beverage in any place.
[0004] The utility model adopts the following technical scheme to be realized: a coffee making device, comprising a cup body, a cup cover and an extraction assembly, characterized in that the extraction assembly comprises:
[0005] an extraction basket for containing coffee powder, a lower end wall of the extraction basket being provided with a plurality of coffee extraction holes; and
[0006] a cover body located at an upper end of an opening of the extraction basket, the cover body being matched with the extraction basket and capable of forming a pressurized space with the extraction basket, the bottom of the cover body being provided with an inflation hole in communication with the extraction basket; and
[0007] a pressurizing device for pressurizing the pressurized space, the pressurizing device being arranged in the cover body and connected with the inflation hole, or the pressurizing device being matched with the cup cover and capable of communicating with the internal space of the cover body.
[0008] In use, the cover is opened, the cover is removed from the upper end of the opening of the extraction basket, coffee powder and hot water are added to the extraction basket, the cover is fitted at the upper end opening of the extraction basket so that the opening of the extraction basket is closed by the cover, and then the pressurizing device is started to pressurize the internal cavity of the extraction basket through the inflation hole or connect the pressurizing device with the cover so that the pressurizing device inflates the cover to pressurize the pressurizing space. The hot water is caused to better penetrate the coffee powder to improve the extraction efficiency, and the final extracted liquid coffee flows into the cup body from the coffee extraction hole under the action of pressure, and then the cup cover is opened to drink the coffee.
[0009] The pressurizing device can be any existing inflation motor that can increase the air pressure in the extraction basket, and the pressurizing device is fitted to the cup cover, which can be arranged in the cup cover, fixed on the cup cover, or an independent part that can be conveniently carried and not arranged on the cup cover.
[0010] The cover and the extraction basket can be mutually sleeved, threadedly connected, or the cover and the cup cover are threadedly connected.
[0011] The extraction basket can be integrally arranged with the cup cover, separately arranged with the cup cover, or fixed in the cup body.
[0012] The diameter of the coffee extraction hole is the existing extraction hole diameter, and the number of coffee extraction holes can be one or more.
[0013] The shape of the extraction basket can be cylindrical or conical.
[0014] The coffee extraction function is integrated in the cup, which is small in size and convenient to carry. Users can make coffee anytime and anywhere, whether in the office, outdoor travel, or on the way to business trips. Compared with traditional hand-pouring coffee appliances, the present scheme does not need complex filter paper, filter cups and other accessories. Only coffee powder is put into the extraction basket, hot water is added, and the cover is closed to complete the extraction of coffee. The operation is simple and fast, even beginners can easily master it. At the same time, the pressurizing device applies pressure to the inside of the extraction basket, which can make the hot water more fully contact with the coffee powder, improve the extraction efficiency and the richness of the coffee, and enable users to enjoy the coffee with a mellow taste.
[0015] As preferred, the outer wall of the cover is provided with external threads, the cup cover is provided with an axially extending matching hole, the inner wall of the matching hole is provided with internal threads matching the external thread structure, the bottom of the matching hole is provided with the extraction basket, and the cover and the extraction basket form the pressurized space when the cover is threadedly fixed to the cup cover.
[0016] The pressurized space is formed by threadedly fixing the cover to the cup cover to close the opening of the extraction basket, which is simpler and allows the user to directly start coffee extraction after tightening the cover.
[0017] As preferred, the bottom inner wall of the matching hole is provided with a first step extending radially inward, the extraction basket is separately provided from the cup cover, the outer wall of the opening of the extraction basket is provided with a protruding rim, and the protruding rim abuts against the first step.
[0018] The extraction basket is separately provided from the cup cover, which facilitates the extraction basket to be taken out of the cup cover and cleaned.
[0019] As preferred, the bottom inner wall of the matching hole is provided with a second step extending radially inward, the second step is located below and radially inward of the first step, the second step and the outer wall of the extraction basket and the protruding rim together enclose an annular accommodating groove, and the accommodating groove is provided with a sealing ring.
[0020] The second step is arranged at the bottom of the matching hole, and when the protruding rim of the extraction basket is compacted, the protruding rim compacts the sealing ring in the annular accommodating groove, thereby further improving the sealing performance and the extraction effect, and avoiding gas flowing out of the gas place to cause the pressure in the pressurized space to fail to meet the specified requirement.
[0021] As preferred, the bottom inner wall of the matching hole is provided with a first step extending radially inward, the extraction basket is separately provided from the cup cover, the outer wall of the opening of the extraction basket is provided with a protruding rim, and the first step and the protruding rim are provided with a sealing ring; when the sealing ring is threadedly fixed to the cup cover, the protruding rim and the sealing ring are compacted on the first step.
[0022] Through the above arrangement, the sealing ring is arranged between the protruding rim and the first step, and when the sealing ring is compacted, the sealing performance between the protruding rim and the first step is better, and the sealing effect can be further improved to ensure that the pressure in the pressurized space meets the specified requirement.
[0023] As preferred, the inner diameter of the extraction basket gradually increases from bottom to top to present a frustum shape.
[0024] The inner diameter of the extraction basket gradually increases from bottom to top to present a frustum shape, which facilitates the extraction basket to be put into the matching hole.
[0025] Preferably, the bottom opening of the matching hole is provided with a ring of downward extending matching section, and the inner wall of the matching section is in contact with the outer wall of the extraction basket when the extraction basket is fixed in the matching hole.
[0026] The positioning effect of the extraction basket is increased, and the integrity of the pressurized space is ensured.
[0027] Preferably, the pressurizing device is arranged in the cover body, and the pressurizing device comprises an air pump, a battery and a circuit board, the top of the cover body is provided with a charging port and a button connected with the circuit board, and the air pump is connected with the air hole through an air pipe.
[0028] The user controls the operation of the air pump by pressing the button on the top of the cover body.
[0029] Preferably, a rotating protrusion is arranged on the top of the cover body.
[0030] The rotating protrusion facilitates the user to screw the cover body.
[0031] Preferably, the cup cover is threadedly connected with the cup body, a handle is rotatably connected to the cup cover, the cup cover is provided with a drinking opening at a position deviated from the center, the handle is provided with a covering opening corresponding to the drinking opening, the width of the covering opening is smaller than that of the drinking opening, and the covering opening of the handle is located at the upper end of the drinking opening when the handle is in a flat state.
[0032] The covering opening can cover the drinking opening in a small range, thereby reducing the entry of dust, and the drinking opening is not completely blocked to ensure the balance of the air pressure in the cup body during extraction.
[0033] Compared with the prior art, the utility model has the advantages that the coffee extraction function is integrated on a cup, the volume is small, and the utility model is convenient to carry, and the user can make coffee anytime and anywhere, whether in an office, outdoor travel or on the way to a business trip. Compared with a traditional hand coffee maker, the utility model does not need complex filter paper, a filter cup and other accessories, and only needs to put coffee powder into the extraction basket, add hot water, cover the cover body, and then the extraction of coffee is completed, so that the operation is simple and fast, and even a coffee making beginner can easily operate. Meanwhile, the pressurizing device applies pressure to the inside of the extraction basket, so that the hot water can be in full contact with the coffee powder, the extraction efficiency and the richness of coffee are improved, and the user can enjoy the coffee beverage with a mellow taste. BRIEF DESCRIPTION OF DRAWINGS
[0034] Figure 1 It is a structural schematic view of the utility model;
[0035] Figure 2 It is an exploded structural schematic view of Figure 1
[0036] Figure 3 is a structural schematic view of the inside of the cover;
[0037] Figure 4 is a sectional view of Figure 1 ;
[0038] Figure 5 is an enlarged view of the circled part; Figure 4
[0039] Figure 6 is a sectional view of the cup body and the cup cover;
[0040] Figure 7 is a sectional view of Figure 6 ;
[0041] Figure 8 is a structural schematic view of two extraction baskets;
[0042] Figure 9 is a structural schematic view of Example 2 。
[0043] Reference numeral: 1, cup body; 2, cup cover; 21, handle; 211, covering opening; 22, drinking opening; 23, matching section; 24, matching hole; 3, cover body; 31, upper cover; 32, lower cover; 321, connecting column; 33, rotating protrusion; 4, extraction basket; 41, convex edge; 5, battery; 51, air inflator pump; 6, air inflator hole; 7, sealing ring; 81, first step; 82, second step; 83, step. DETAILED DESCRIPTION
[0044] The utility model will be further described below according to the drawings and specific embodiments.
[0045] Example 1
[0046] As shown in Figure 1 , Figure 2 , Figure 4 and Figure 6 , the present embodiment 1 discloses a coffee making device, which comprises a cup body 1 and a cup cover 2, the inner layer of the cup body 1 is made of food-grade stainless steel material and is used for containing coffee liquid, and the outer layer is made of stainless steel material and plays a heat-insulating and protective role. The cup cover 2 is threadedly matched with the cup body 1. A matching hole 24 is arranged on the cup cover 2 and penetrates the cup cover 2 from top to bottom, and the extraction basket 4 and the cover body 3 can be fitted in the matching hole 24. A handle 21 is rotationally connected to the top of the cup cover 2, and the cup cover 2 is provided with a drinking opening 22 at a position deviating from the center, and the handle 21 is provided with a covering opening 211 corresponding to the drinking opening 22, the width of the covering opening 211 is smaller than the width of the drinking opening 22, and when the handle 21 is in a flat state, the covering opening 211 of the handle is located at the upper end of the drinking opening 22.
[0047] As shown in Figures 1 to 8 As shown, the cup cover 2 is provided with a through hole 24, the through hole 24 is internally threaded, the outer wall of the cover body 3 is provided with external threads matched with the internal threads of the through hole 24, the top surface of the cover body 3 is provided with a rotating protrusion 33 for facilitating the rotation of the cover body 3, the rotating protrusion 33 protrudes upward and can be in the shape of a cross, a straight line, a rice-shaped cross, etc., and in the embodiment, the rotating protrusion 33 is in the shape of a straight line. When the cover body 3 is screwed onto the cup cover 2, the top surface of the cover body 3 is flush with the top surface of the cup cover 2. The bottom of the through hole 24 is adapted to the extraction basket 4, the inner diameter of the extraction basket 4 gradually increases from bottom to top to form a frustum, the extraction basket 4 is open upward and used for containing coffee powder and hot water, the bottom of the extraction basket 4 is provided with coffee extraction holes, and the number of the coffee extraction holes can be one or multiple arranged in a mesh shape.
[0048] The cover body 3 is composed of an upper cover 31 and a lower cover 32, the lower cover 32 is provided with a connecting column 321 provided with a threaded hole, and the upper cover 31 and the lower cover 32 are fixed by screwing. A pressurizing device for pressurizing the internal cavity of the extraction basket 4 is arranged in the cavity formed by the upper cover 31 and the lower cover 32, the bottom of the cover body 3 is provided with an inflation hole 6 in communication with the extraction basket 4, the pressurizing device includes an inflation pump 51, a battery 5, and a circuit board (not shown in the figure), a charging port (not shown in the figure) on the top of the cover body 3 and a button (not shown in the figure) connected with the circuit board, the inflation pump 51 is connected with the inflation hole 6 through an inflation tube, and the inflation tube is a flexible tube.
[0049] A first step 81 extending radially inward is arranged on the inner wall of the bottom of the through hole 24, the extraction basket 4 is separately arranged with the cup cover 2, a protruding edge 41 is arranged on the outer wall of the opening of the extraction basket 4, the protruding edge 41 abuts against the first step 81, and when the cover body 3 is threadedly fixed with the cup cover 2, the lower end of the cover body 3 abuts against the protruding edge 41 and presses the protruding edge 41 against the first step 81. A matching section 23 extending downward is arranged on the opening of the bottom of the through hole 24, and when the extraction basket 4 is fixed in the through hole 24, the inner wall of the matching section 23 is in contact with the outer wall of the extraction basket 4. A second step 82 extending radially inward is further arranged on the inner wall of the bottom of the through hole 24, and the second step 82 is located below the first step 81 and radially inward of the first step 81. When the cover body 3 is threadedly fixed with the cup cover 2, the second step 82 and the outer wall of the extraction basket 4 and the protruding edge 41 form an annular accommodating groove therebetween, and the accommodating groove is provided with a sealing ring 7, wherein the diameter of the sealing ring 7 can be slightly larger than the width of the accommodating groove, and when the protruding edge 41 is pressed tightly, the sealing ring 7 can be extruded to achieve better sealing effect. The sealing ring 7 is an O-shaped sealing ring.
[0050] Embodiment 2
[0051] As Figure 9The difference between the present embodiment 2 and the embodiment 1 is that a step 83 extending radially inward is arranged on the inner wall of the bottom of the matching hole, the extraction basket 4 is arranged separately from the cup cover 2, a convex edge 41 is arranged on the outer wall of the opening of the extraction basket 4, and a sealing ring 7 is arranged between the step 83 and the convex edge 41. When the sealing ring 7 is threadedly fixed to the cup cover 2, the convex edge 41 and the sealing ring 7 are pressed on the step 83.
[0052] In actual use, the user first unscrews the cover 3 from the cup cover 2, puts the extraction basket 4 into the matching hole 24, and then puts the coffee powder into the extraction basket 4 and pours hot water into the extraction basket 4. After that, the user screws the cover 3 on the cup cover 2, presses the button on the cover 3, and the air pump 51 in the cover 3 starts to pressurize the extraction basket 4. The hot water permeates the coffee powder and is discharged from the coffee extraction hole and falls into the cup body. Finally, the user can drink the coffee.
[0053] Embodiment 3
[0054] The difference between the present embodiment 3 and the embodiment 1 is that the pressurizing device is arranged in or fixed to the cup cover 2 (not shown in the figure), and an air nozzle (not shown in the figure) is arranged on the top of the cover 3. The air pump and the air nozzle are connected through a detachable hose. After the cover 3 is screwed on the cup cover 2, the hose of the air pump is connected to the cover 3, so as to realize the air charging of the cover 3. The gas passes through the air charging hole 6 and pressurizes the extraction basket 4.
[0055] Embodiment 4
[0056] The difference between the present embodiment 4 and the embodiment 1 is that the pressurizing device is arranged outside the cup cover 2 (not shown in the figure), and the pressurizing device is an independent part that can be carried on the body. The cup body 1 or the cup cover 2 is connected to the pressurizing device through a rope for convenient carrying. An air nozzle (not shown in the figure) is arranged on the top of the cover 3. The air pump and the air nozzle are connected through a detachable hose. After the cover 3 is screwed on the cup cover 2, the hose of the air pump is connected to the cover 3, so as to realize the air charging of the cover 3. The gas passes through the air charging hole 6 and pressurizes the extraction basket 4.
Claims
1. A coffee making apparatus comprising a cup, a cup lid and an extraction assembly, characterised in that, The extraction assembly comprises: an extraction basket for containing coffee powder, a lower end wall of the extraction basket being provided with a plurality of coffee extraction holes; a cover body located at an upper end of an opening of the extraction basket, the cover body being adapted to the extraction basket and capable of forming a pressurized space with the extraction basket, a bottom of the cover body being provided with an air charging hole in communication with the extraction basket; and a pressurizing device for pressurizing the pressurized space, the pressurizing device being arranged in the cover body and connected with the air charging hole, or the pressurizing device being adapted to the cup cover and capable of communicating with an inner space of the cover body.
2. The coffee making device according to claim 1, characterized in that: An outer wall of the cover body is provided with external threads, the cup cover is provided with an axially extending matching hole, an inner wall of the matching hole is provided with internal threads adapted to the structure of the external threads, and a bottom of the matching hole is provided with the extraction basket, the pressurized space being formed between the cover body and the extraction basket when the cover body is threadedly fixed with the cup cover.
3. The coffee making device according to claim 2, characterized in that: A first step extending radially inward is arranged on an inner wall of the bottom of the matching hole, the extraction basket is arranged separately from the cup cover, an outer wall of the extraction basket at the opening is provided with a protruding rim, and the protruding rim abuts against the first step.
4. The coffee making device according to claim 3, characterized in that: A second step extending radially inward is arranged on the inner wall of the bottom of the matching hole, the second step is located below the first step and radially inward of the first step, and the second step, the outer wall of the extraction basket and the protruding rim together enclose an annular accommodating groove, and a sealing ring is arranged in the accommodating groove.
5. The coffee making device according to claim 2, characterized in that: A step extending radially inward is arranged on the inner wall of the bottom of the matching hole, the extraction basket is arranged separately from the cup cover, an outer wall of the extraction basket at the opening is provided with a protruding rim, and a sealing ring is arranged between the step and the protruding rim; when the sealing ring is threadedly fixed with the cup cover, the protruding rim and the sealing ring are pressed against the step.
6. The coffee making device according to any one of claims 1 to 5, characterized in that: An inner diameter of the extraction basket gradually increases from bottom to top to present a frustum shape.
7. The coffee making device according to claim 2, characterized in that: A matching section extending downward is arranged at an opening of the bottom of the matching hole, and an inner wall of the matching section is in contact with an outer wall of the extraction basket when the extraction basket is fixed in the matching hole.
8. The coffee making device according to any one of claims 1 to 5, characterized in that: The pressurizing device is arranged in the cover body, and the pressurizing device comprises an air charging pump, a battery and a circuit board, a charging port and a button connected with the circuit board are arranged at a top of the cover body, and the air charging pump is connected with the air charging hole through an air charging pipe.
9. The coffee making device according to any one of claims 2 to 5, characterized in that: A rotating protrusion is arranged at the top of the cover body.
10. The coffee making device according to any one of claims 1 to 5, characterized in that: The cup cover is threadedly matched with the cup body, a handle is rotatably connected to the cup cover, the cup cover is provided with a drinking opening at a position deviated from the center, the handle is provided with a covering opening corresponding to the drinking opening, a width of the covering opening is smaller than a width of the drinking opening, and the covering opening of the handle is located at an upper end of the drinking opening when the handle is in a flat state.