Capsule coffee high-pressure brewing box
By combining the elastic pressure ring and the sealing inner cover, the problem of the sealing ring being prone to failure under high pressure is solved, achieving stable high-pressure extraction and long service life of the capsule coffee machine, and improving the aroma and taste of the coffee.
Patent Information
- Application Number
- CN202423132953.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-18
AI Technical Summary
The sealing rings of traditional capsule coffee machines are prone to failure under high pressure, leading to problems such as seal failure, insufficient coffee extraction, equipment aging, and high maintenance costs.
The design employs a flexible pressure ring and a sealing inner cover working together. The flexible pressure ring and the sealing inner cover are tightly attached to the top sealing film of the capsule to ensure a tight seal. Combined with a conical annular thin-walled structure and a multi-level assembly architecture, the position of each component is stabilized to prevent seal failure and leakage.
Ensuring a stable high-pressure brewing environment allows coffee to be fully extracted under ideal pressure, improving coffee quality and equipment reliability while reducing maintenance costs.
Smart Images
Figure CN223569158U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coffee equipment technical field, especially a kind of capsule coffee high-pressure brewing box. BACKGROUND
[0002] When making espresso, capsule coffee high-pressure brewing technology is needed, that is, using higher pressure (usually around 9-12bar) can make coffee extract rich coffee liquid in a short time, and such coffee liquid has higher coffee solid content and strong flavor.
[0003] The high-pressure brewing box of traditional capsule coffee machine mainly includes a box body, an upper cover, a water inlet piercing pipe for piercing a coffee capsule and injecting water, and a sealing ring responsible for sealing the coffee capsule. In the conventional operation, when the brewing program is started, the water inlet piercing pipe pierces into the coffee capsule, high-pressure water is injected into the capsule, and the environment of the capsule changes immediately. Influenced by the injected high-pressure water, the internal pressure of the capsule rises sharply, and the capsule begins to swell due to the limited internal space. The force generated by this swelling causes the top membrane of the capsule to be pressed upwards, and this force is transmitted to the upper cover and the sealing ring connected thereto.
[0004] The sealing ring of the existing traditional design is relatively simple in structure, and only relies on the basic fitting mode to contact the top of the capsule, without considering the swelling effect of the capsule under high pressure. In the actual brewing process, the upward pushing force caused by the swelling of the capsule forces the upper cover and the sealing ring to move upwards. Due to the lack of effective restraint mechanism, when the displacement reaches a certain degree, the fitting state of the sealing ring and the capsule is destroyed, and the force is uneven, resulting in displacement. If the brewing conditions continue to deteriorate, such as prolonged high pressure or excessive pressure, the sealing ring may even be completely flipped out of its original position, and the sealing function will be completely lost.
[0005] Sealing failure can cause a series of chain problems. From the perspective of coffee brewing, the high-pressure environment cannot be maintained, which prevents the coffee from being extracted under ideal pressure conditions, and ultimately the coffee product is greatly compromised in aroma, flavor intensity, and taste level, making it difficult to meet the expectations of consumers for high-quality coffee experience. Moreover, the leaked liquid not only contains coffee liquid, but also high-pressure water flow, which can erode electronic components, mechanical transmission components, etc. inside the brewing box, accelerate equipment aging and wear, reduce equipment reliability and service life, and the outflowing liquid can also pollute the surrounding environment, increasing equipment maintenance and cleaning costs.
[0006] Therefore, the existing technology needs to be improved and enhanced. UTILITY MODEL CONTENT
[0007] In view of the above shortcomings of the prior art, the purpose of the utility model is to provide a capsule coffee high-pressure brewing box with good sealing performance to prevent leakage caused by sealing failure.
[0008] To achieve the above object, the utility model adopts the following technical scheme:
[0009] A capsule coffee high-pressure brewing box, comprising a base, a brewing cup arranged in the middle of the base, and a water inlet flip cover assembly reversely connected with the base, wherein the brewing cup is internally provided with a capsule cavity and externally provided with a coffee outlet at the bottom thereof, the water inlet flip cover assembly comprises a flip cover, a sealing outer cover arranged at the bottom of the flip cover, and a sealing inner cover arranged at the bottom of the sealing outer cover, the top surface of the sealing inner cover is provided with an extraction flow channel, the output end of the extraction flow channel is provided with a piercing pipe, the flip cover is provided with a water inlet flow channel, the water inlet flow channel penetrates through the sealing outer cover and is in communication with the input end of the extraction flow channel, the sealing outer cover comprises a top cover portion, an annular side wall portion arranged at the edge of the top cover portion, and an elastic pressing ring arranged at the inner wall of the annular side wall portion, and the sealing inner cover is tightly arranged against the bottom surface of the top cover portion and surrounded by the annular side wall portion.
[0010] As a further improvement of the above technical scheme, the elastic pressing ring is in the shape of a tapered ring with a gradually decreasing inner diameter from top to bottom.
[0011] As a further improvement of the above technical scheme, the bottom of the annular side wall portion is provided with a sealing protruding ring.
[0012] As a further improvement of the above technical scheme, the water inlet flow channel is arranged at the center of the flip cover, and the piercing pipe is arranged eccentrically relative to the water inlet flow channel.
[0013] As a further improvement of the above technical scheme, the extraction flow channel comprises a first circular channel, a second circular channel, and a straight channel connecting the first circular channel and the second circular channel, the piercing pipe is installed at the second circular channel and the second circular channel is internally provided with a positioning step for limiting the rotation of the piercing pipe.
[0014] As a further improvement of the above technical scheme, the piercing pipe comprises a pipe body and a positioning head arranged at the top of the pipe body, the positioning head is matched with the positioning step, and the bottom end of the pipe body is provided with an inclined surface.
[0015] As a further improvement of the above technical scheme, the bottom surface of the flip cover is provided with at least two protruding columns with threaded holes, the bottom surface of the sealing outer cover is provided with protruding rings with the same number as the protruding columns and for the corresponding protruding columns to pass through, and the top surface of the sealing inner cover is provided with sunken holes with the same number as the protruding rings and matched with each other, and each sunken hole is installed with a screw connected with the threaded hole of the corresponding protruding column.
[0016] As a further improvement of the above technical scheme, the protruding columns are three in number and arranged in a circumferential array around the water inlet flow channel.
[0017] As a further improvement of the above technical scheme, the side wall of the flip cover is provided with a pull ear.
[0018] As a further improvement of the above technical solution, the brewing cup is integrally formed with the base.
[0019] The capsule coffee high-pressure brewing box provided by the utility model cooperatively works through the elastic pressing ring and the sealing inner cover, can stably fix the film on the top of the capsule and continuously maintain the sealing connection, eliminates the leakage problem caused by sealing failure, ensures that the high-pressure brewing environment is stably maintained at about 9-12bar, ensures that the coffee is always in the ideal high-pressure extraction condition, which makes the coffee solid be fully and uniformly extracted, greatly retains the aroma substances of the coffee beans, enables consumers to taste the coffee with rich aroma, rich flavor and clear levels, and significantly improves the quality of the coffee product. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a perspective view of the capsule coffee high-pressure brewing box after being opened.
[0021] Figure 2 It is a perspective view of the capsule coffee high-pressure brewing box after being opened.
[0022] Figure 3 It is a perspective view of the capsule coffee high-pressure brewing box after being opened. Figure 1 .
[0023] Figure 4 It is a perspective view of the capsule coffee high-pressure brewing box after being opened. Figure 2 .
[0024] Figure 5 It is a perspective view of the capsule coffee high-pressure brewing box after being opened.
[0025] Figure 6 It is an explosion of the water inlet flip cover assembly. Figure 1 .
[0026] Figure 7 It is an explosion of the water inlet flip cover assembly. Figure 2 .
[0027] Main element symbol explanation: 1-base, 2-brewing cup, 21-capsule cavity, 22-coffee outlet, 3-water inlet flip cover assembly, 31-flip cover, 311-water inlet flow channel, 312-convex column, 313-pressing column, 314-pull ear, 32-sealing outer cover, 321-top cover part, 322-annular side wall part, 323-elastic pressing ring, 324-sealing convex ring, 325-convex ring, 33-sealing inner cover, 331-extraction flow channel, 3311-first circular channel, 3312-second circular channel, 3313-straight channel, 3314-positioning step, 332-sink hole, 34-stab pipe, 341-positioning head, 342-pipe body, 4-capsule, 41-liquid outlet. Detailed Implementation
[0028] This utility model provides a high-pressure brewing box for capsule coffee. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following describes this utility model in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit the scope of protection of this utility model.
[0029] Please see Figures 1 to 7 This utility model provides a high-pressure brewing box for capsule coffee, including a base 1, a brewing cup 2 disposed in the middle of the base 1, and a water inlet flip-top assembly 3 connected to the base 1 by a hinge. The brewing cup 2 has a capsule cavity 21 and a coffee outlet 22 at its bottom. The water inlet flip-top assembly 3 includes a flip-top 31, a sealing outer cover 32 disposed at the bottom of the flip-top 31, and a sealing inner cover 33 disposed at the bottom of the sealing outer cover 32. The top surface of the sealing inner cover 33 has an extraction channel 331. The output end of channel 331 is provided with a piercing tube 34. The flip cover 31 is provided with a water inlet channel 311, which passes through the sealing outer cover 32 and communicates with the input end of the extraction channel 331. The sealing outer cover 32 includes a top cover 321, an annular side wall 322 provided on the edge of the top cover 321, and an elastic pressure ring 323 provided on the inner wall of the annular side wall 322. The sealing inner cover 33 is close to the bottom surface of the top cover 321 and the annular side wall 322 surrounds the sealing inner cover 33.
[0030] When using this capsule coffee high-pressure brewing box to make espresso, initially, capsule 4 is placed in capsule cavity 21 of brewing cup 2. Then, the water inlet flip-top assembly 3 flips relative to the base 1, so that the water inlet flip-top assembly 3 closes capsule cavity 21, ready for water injection extraction.
[0031] The water supplied by the external water pump first flows into the water inlet channel 311 opened on the flip cover 31, and then the water flows directly through the sealed outer cover 32, smoothly reaching the input end of the extraction channel 331 on the top surface of the sealed inner cover 33. Since the output end of the extraction channel 331 is equipped with a piercing tube 34, high-pressure water can be injected into the capsule 4 by piercing the sealing membrane of the capsule 4 with the help of the piercing tube 34.
[0032] With the high-pressure water continues to inject inside the capsule 4, the capsule 4 inside the pressure rises rapidly, due to limited internal space, the capsule 4 inevitably begins to swell. The key is that the elastic compression ring 323 of the annular side wall part 322 of the sealing outer cover 32 plays a key role at this time, the elastic compression ring 323 is originally in a downward form in the non-working state, and is pressed upward due to the upward extrusion force of the capsule 4, but thanks to its elastic characteristics, it continuously adheres to the top surface of the capsule 4. At the same time, the sealing inner cover 33 also presses the capsule 4, and the two work together to tightly press the top sealing film of the capsule 4, ensuring that even if the capsule 4 swells in a high-pressure environment, the top sealing film cannot be extruded upward to break the seal. In this way, the high-pressure water flow can only circulate in an orderly manner according to the established path from the water inlet channel 311 to the extraction channel 331 to the inside of the capsule 4, and then from the liquid outlet 41 at the bottom of the capsule 4, and finally from the coffee outlet 22 at the bottom of the brewing cup 2. The flow of extracted coffee liquid, guarantees the sealing and stability of the entire high-pressure brewing process, enables the high-pressure environment to be stably maintained at about 9-12 bar, and realizes the ideal coffee extraction conditions.
[0033] The capsule coffee high-pressure brewing box provided by the utility model cooperates with the elastic compression ring 323 and the sealing inner cover 33, can stably fix the top sealing film of the capsule 4 and continuously maintain the sealing connection, and eliminates the leakage problem caused by sealing failure; ensures that the high-pressure brewing environment is stably maintained at about 9-12 bar, and ensures that the coffee is always in ideal high-pressure extraction conditions, which enables the coffee solids to be fully and uniformly extracted, greatly retains the aroma substances of the coffee beans themselves, enables consumers to taste coffee with rich aroma, rich flavor and clear layers, and significantly improves the quality of the coffee product.
[0034] See Figure 5 and Figure 7 As shown, the elastic compression ring 323 is in the form of a tapered ring with a gradually decreasing inner diameter from top to bottom. The tapered ring design of the elastic compression ring 323 cleverly promotes the thin-walled structure, which can exhibit excellent elastic adhesion ability when facing the swelling of the capsule 4. Compared with the conventional thick-walled sealing ring, the thin-walled form is more flexible and can conform to the slight and irregular swelling deformation of the top surface of the capsule 4 with minimal resistance, tightly fit every concave and convex surface, and lock the high-pressure environment without gaps.
[0035] See Figure 5 and Figure 7As shown, the bottom of the annular side wall part 322 is provided with a sealing protrusion 324 located at the periphery of the elastic compression ring 323. The sealing protrusion 324 cooperates with the elastic compression ring 323 to form a double-sealing defense line. During the high-pressure brewing process of the coffee capsule 4, the elastic compression ring 323 tightly adheres to the top surface of the capsule 4 to resist the expansion pressure due to its unique conical thin-walled structure, thereby achieving fine sealing; and the sealing protrusion 324 serves as a second barrier to further tighten the peripheral area of the elastic compression ring 323 from the outside. The two complement each other, and even under extreme high-pressure conditions, such as when the pressure fluctuates instantaneously to close to or slightly above 12 bar, they can still block the high-pressure water flow path in all directions, eliminate any leakage possibility, and stably maintain the precise high-pressure interval of 9-12 bar, ensuring that the coffee extraction is always carried out under ideal pressure conditions, maximizing the extraction of rich and pure flavor oils from coffee beans, and making the coffee aroma overflowing and the taste mellow, perfectly meeting the strict production standards of high-quality espresso coffee.
[0036] As shown in Figure 2 , Figure 3 and Figure 5 , the water inlet channel 311 is arranged at the center of the flip cover 31, and the piercing pipe 34 is arranged eccentrically relative to the water inlet channel 311. This unique layout allows the water jet to form a jet with a certain impact force when it is shot out of the small hole, accurately hitting a specific area inside the capsule 4. When brewing a coffee capsule 4 containing instant solutes, the eccentric jet can break through the limitations of conventional water flow and create a local turbulent effect. Compared with the central symmetric water inlet method, the stirring and dissolving effect is better, which promotes the instant particles to quickly separate from the accumulation state and disperses in all directions under the strong impact of high-pressure water flow, greatly increasing the contact area and frequency of solutes and water. In this way, the flavor substances, sugar, soluble fiber, and other ingredients in the coffee powder can be dissolved more quickly and completely, fully releasing the multi-level aroma of coffee beans.
[0037] As shown in Figure 6 , the extraction channel 331 includes the first circular channel 3311, the second circular channel 3312, and the straight channel 3313 connecting the first circular channel 3311 and the second circular channel 3312, which are connected to the water inlet channel 311. The piercing pipe 34 is installed at the second circular channel 3312. The water flow smoothly flows from the water inlet channel 311 into the first circular channel 3311, is linearly guided by the straight channel 3313, and its direction and flow rate are regulated, so that the water flow is smoothly and completely transferred to the second circular channel 3312, and finally hits the piercing pipe 34 to inject the capsule 4. The high-pressure water flow maintains a stable pressure state throughout the transmission process, accurately maintaining the 9-12 bar pressure interval suitable for coffee extraction, ensuring that the coffee powder can be uniformly and fully soaked, and maximizing the extraction of coffee oils, aroma, and rich flavor substances.
[0038] During the piercing action of the piercing tube 34 and the subsequent water injection phase, the piercing tube 34 is prone to rotation or displacement due to the reaction force. The second circular path 3312 is provided with a positioning step 3314 to limit the rotation of the piercing tube 34. In this way, the position of the piercing tube 34 is fixed, ensuring that it is always vertically aligned with the capsule 4, and ensuring stable piercing of the piercing tube 34 under high pressure conditions, and smooth injection of water.
[0039] Specifically, as shown in Figure 6 and Figure 7 The piercing tube 34 includes a tube body 342 and a positioning head 341 arranged at the top of the tube body 342. During installation, the positioning head 341 cooperates with the positioning step 3314 to achieve circumferential positioning of the piercing tube 34, ensuring that the piercing tube 34 accurately pierces the capsule 4. The bottom surface of the flip cover 31 is provided with a pressure column 313 that presses the positioning head 341, achieving axial positioning of the piercing tube 34 and reliably locking the piercing tube 34 to prevent any displacement of the piercing tube 34 during the entire piercing process and the subsequent water injection phase. The bottom end of the tube body 342 is provided with a bevel, making it easier for the piercing tube 34 to pierce the sealing membrane of the capsule 4.
[0040] As shown in Figure 7 The bottom surface of the flip cover 31 is provided with at least two convex columns 312 with threaded holes. The bottom surface of the sealing outer cover 32 is provided with convex rings 325 that are the same number as the convex columns 312 and allow the corresponding convex columns 312 to pass through. The top surface of the sealing inner cover 33 is provided with sunken holes 332 that are the same number as the convex rings 325 and cooperate with each other. A screw is installed at each sunken hole 332 and connected to the threaded hole of the corresponding convex column 312. Through the cooperation of the convex columns 312, the convex rings 325, the sunken holes 332, and the screws, a very stable multi-level assembly structure is formed. During the high-pressure brewing process of the capsule 4, the flip cover 31 and the sealing inner cover 33 will be subjected to various complex external forces such as reaction force from the high-pressure water flow injected into the capsule 4 and extrusion force from the expansion of the capsule 4. This stable connection method can effectively prevent loosening and displacement between components, ensuring that each component maintains accurate relative positions during the entire brewing period, so that the high-pressure water flow can smoothly flow from the water inlet channel 311 to the extraction channel 331 according to the designed path, and finally accurately injected into the inside of the capsule 4, ensuring normal coffee extraction.
[0041] It can be understood that the cooperation of the convex column 312 with the convex ring 325 and the sunken hole 332 not only connects but also accurately positions. Each convex column 312 corresponds to a specific convex ring 325 and sunken hole 332, ensuring the position accuracy when the flip cover 31, the sealing outer cover 32 and the sealing inner cover 33 are installed, so that the contact surfaces between the three can be tightly fitted to avoid gaps. In a high-pressure brewing environment, good fitting is the key to ensuring sealing, which can effectively prevent high-pressure water flow from leaking from the connection between the flip cover 31 and the sealing outer cover 32, maintain the high-pressure sealing state inside the brewing box in all directions, avoid problems such as insufficient coffee extraction, flavor loss and equipment erosion caused by poor sealing, and improve the quality of coffee and the service life of the equipment.
[0042] During the high-pressure brewing process of the capsule 4 coffee, the injection of high-pressure water flow into the capsule 4 will generate a strong reaction force, and the expansion of the capsule 4 will also exert an outward extrusion force. Therefore, in this embodiment, the convex column 312 is provided with three and arranged in a circumferential array around the water inlet channel 311. The circumferential array layout of the three convex columns 312 improves the reliability of the assembly of the entire water inlet flip cover assembly 3, and can uniformly disperse the extrusion force to the entire water inlet flip cover assembly 3, avoiding excessive local stress. In this way, it can ensure that the sealing outer cover 32 and the sealing inner cover 33 remain stable under high-pressure working conditions, and the cooperation with other components will not cause gaps or looseness due to uneven stress, thereby reliably maintaining the ideal high-pressure extraction environment and ensuring that the coffee can be fully extracted under stable and suitable pressure conditions, maximizing the rich and mellow flavor and rich taste.
[0043] In daily use of the capsule 4 coffee machine to make coffee, the user needs to frequently open and close the flip cover 31 to put in or take out the coffee capsule 4, clean and the like. In order to provide a convenient force point for the user, the pull ear 314 is arranged on the side wall of the flip cover 31, so that the user can easily hold the pull ear 314 with the fingers and apply appropriate force to open or close the flip cover 31, and the operation process is more labor-saving and convenient.
[0044] In this embodiment, the brewing cup 2 and the base 1 are integrally formed to form a seamless and high-strength whole structure, which greatly enhances the resistance to high-pressure impact. Of course, the brewing cup 2 and the base 1 can be designed to be separate and detachable.
[0045] It should be noted that the capsule coffee high-pressure brewing box provided by the utility model is mainly adapted to Dolce-Gusto capsules.
[0046] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0047] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection or can communicate with each other; it can be direct connection, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0048] It can be understood that for ordinary skilled in the art, the technical scheme of the utility model and the utility model concept can be replaced or changed, and all these changes or replacements should belong to the protection scope of the utility model.
Claims
1. A high-pressure brewing box for capsule coffee, characterized in that, The device includes a base, a brewing cup located in the middle of the base, and a water inlet flip-top assembly connected to the base. The brewing cup has a capsule cavity and a coffee outlet at its bottom. The water inlet flip-top assembly includes a flip-top, a sealing outer cover located at the bottom of the flip-top, and a sealing inner cover located at the bottom of the sealing outer cover. The top surface of the sealing inner cover has an extraction channel, and the output end of the extraction channel has a piercing tube. The flip-top has a water inlet channel, which passes through the sealing outer cover and communicates with the input end of the extraction channel. The sealing outer cover includes a top cover, an annular sidewall located at the edge of the top cover, and an elastic pressure ring located on the inner wall of the annular sidewall. The sealing inner cover is tightly attached to the bottom surface of the top cover, and the annular sidewall surrounds the sealing inner cover.
2. The high-pressure brewing box for capsule coffee according to claim 1, characterized in that, The elastic pressure ring is a conical ring with an inner diameter that gradually decreases from top to bottom.
3. The high-pressure brewing box for capsule coffee according to claim 1, characterized in that, A sealing ring is provided at the bottom of the annular sidewall.
4. The high-pressure brewing box for capsule coffee according to claim 1, characterized in that, The water inlet channel is located at the center of the flip cover, and the piercing tube is eccentrically positioned relative to the water inlet channel.
5. The high-pressure brewing box for capsule coffee according to claim 4, characterized in that, The extraction channel includes a first circular channel, a second circular channel that connects to the water inlet channel, and a straight channel connecting the first circular channel and the second circular channel. The piercing tube is installed in the second circular channel and a positioning step is provided in the second circular channel to restrict the rotation of the piercing tube.
6. The high-pressure brewing box for capsule coffee according to claim 5, characterized in that, The piercing tube includes a tube body and a positioning head disposed at the top of the tube body. The positioning head cooperates with the positioning step, and the bottom end of the tube body is inclined.
7. The high-pressure brewing box for capsule coffee according to claim 4, characterized in that, The bottom surface of the flip cover is provided with at least two protrusions with threaded holes. The bottom surface of the sealing outer cover is provided with protrusions of the same number as the protrusions, and protrusions for the corresponding protrusions to pass through. The top surface of the sealing inner cover is provided with recessed holes of the same number as the protrusions and which cooperate with each other. Each recessed hole is fitted with a screw that connects to the threaded hole of the corresponding protrusion.
8. The high-pressure brewing box for capsule coffee according to claim 7, characterized in that, The protruding pillars are provided in three and arranged in a circular array around the water inlet channel.
9. The high-pressure brewing box for capsule coffee according to claim 1, characterized in that, The flip cover has a pull tab on its side wall.
10. The high-pressure brewing cassette for capsule coffee according to any one of claims 1-9, characterized in that, The brewing cup and the base are integrally formed.