Portable coffee machine

By adopting a multi-capsule compatibility design for portable coffee machines, the problems of limited brewing methods and insufficient capsule capacity in portable coffee machines are solved, enabling a wider range of brewing options and a larger coffee liquid storage capacity, thus improving the user experience.

CN223463936UActive Publication Date: 2025-10-24DONGGUAN FITENG ELECTRIC CO LTD
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Patent Information

Application Number
CN202422585940.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-10-24
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

Existing portable coffee machines are limited by their size and are suitable for fewer brewing methods. The coffee capsules they brew are usually special portable capsules with a small storage capacity of coffee liquid and limited brewing quality, which cannot meet the higher needs of users.

Method used

Design a portable coffee machine that can brew coffee powder, small coffee capsules, and large coffee capsules. Through the combination of brewing unit, water tank, water pump, brewing components and adapter base, it can achieve compatibility with various capsule sizes, including coffee powder base, small capsule base and large capsule base, to meet the needs of different users.

Benefits of technology

The portable coffee machine offers more choices in brewing methods and coffee storage capacity, enhancing the user's coffee brewing experience and meeting diverse coffee-making needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a portable coffee machine, which relates to the technical field of coffee brewing equipment and comprises a brewing main machine, a lower cover component is arranged at the end part of the brewing main machine, and a first connecting part is arranged on the inner wall of the lower cover component; a second connecting part is arranged on the outer wall of the brewing connecting seat, the adaptive seat is detachably mounted in the brewing connecting seat, the top of the adaptive seat is communicated with the water outlet part, the bottom of the adaptive seat is communicated with the liquid outlet, and the adaptive seat comprises one or a combination of a coffee powder base, a small capsule base and a large capsule base. The device is used for being matched and connected with a brewing connecting seat to meet brewing requirements of different specifications. According to the portable coffee machine, the lower cover assembly at the end of the brewing main machine can be detachably connected with the brewing connecting base, and a user can select a proper adaptive base according to brewing requirements. The adaptive seat comprises a coffee powder base, a small capsule base and a large capsule base in three specifications, can be compatible with most coffee brewing modes in the market, and provides more choices for users.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coffee brewing equipment technical field, especially portable coffee machine. BACKGROUND

[0002] Coffee machines heat water and force it through coffee grounds or coffee capsules using different heating and pressure systems, thereby extracting the flavors and aromas of coffee and producing various types of coffee beverages. Desktop coffee machines can only be used in fixed places, and coffee lovers prefer to enjoy aromatic coffee anytime and anywhere. Therefore, portable coffee machines gradually appear on the market, which can meet the needs of users for outdoor coffee brewing.

[0003] Portable coffee machines are designed for convenient portability and use, allowing users to make coffee anytime and anywhere without traditional coffee machines. Portable coffee machines are usually small in size, light in weight, easy to carry, and easy to operate, making them very suitable for travel, outdoor activities, camping and other use scenarios.

[0004] Existing portable coffee machines are limited by size restrictions, have fewer suitable brewing methods, and the coffee capsules they brew are usually portable-specific capsules, with limited coffee liquid storage and limited brewing quality, which cannot meet the higher needs of users. SUMMARY

[0005] The utility model aims at least solve the prior art in the " existing portable coffee machine is limited by size restrictions, have fewer suitable brewing methods, and the coffee capsules they brew are usually portable-specific capsules, with limited coffee liquid storage and limited brewing quality, which cannot meet the higher needs of users " technical issue. To this end, the utility model provides a portable coffee machine, which can be used for coffee powder brewing, small coffee capsule brewing and large coffee capsule brewing, and can meet the needs of most specifications of coffee capsules on the market. Users can brew according to their own needs, and the coffee brewing experience is better.

[0006] According to some embodiments of the utility model, the portable coffee machine comprises:

[0007] A brewing host is provided with a water tank inside, a water pump connected with the water tank, and a brewing assembly connected with the water pump. The end of the brewing host is provided with a lower cover assembly, the water outlet of the brewing assembly extends into the lower cover assembly, and the inner wall of the lower cover assembly is provided with a first connecting part.

[0008] A brewing connector is provided with a second connecting part on the outer wall, the second connecting part is detachably connected with the first connecting part, and the liquid of the brewing assembly enters the brewing connector and is discharged from the liquid outlet of the brewing connector.

[0009] An adapter seat is detachably mounted in the brewing connecting seat, a top of the adapter seat is communicated with the water outlet part, and a bottom of the adapter seat is communicated with the liquid outlet;

[0010] The adapter seat comprises one or a combination of several of a coffee powder base, a small capsule base and a large capsule base, which are used in connection with the brewing connecting seat to meet different brewing requirements.

[0011] According to some embodiments of the present application, the top of the brewing host is provided with an opening, and a water tank support is arranged inside, the water tank is fixed on the water tank support, and the top opening of the water tank is detachably closed by a cup cover; an NTC heating assembly is fixedly arranged at the bottom of the water tank, and the NTC heating assembly extends into the inside of the water tank; a temperature control assembly is arranged at the water tank support, and the temperature control assembly is tightly attached to the outer wall of the bottom of the water tank, for monitoring the liquid temperature in the water tank in real time; the brewing host is further provided with a power supply battery and a control assembly, the power supply battery adopts a vertical mounting structure, and the control assembly is electrically connected with the power supply battery and the water pump respectively.

[0012] According to some embodiments of the present application, a limiting block is arranged at the periphery of the inner wall of the brewing connecting seat, and the limiting block abuts against the outer wall of the adapter seat to fix the position of the adapter seat.

[0013] According to some embodiments of the present application, the outer wall of the large capsule base is matched with the inner wall of the brewing connecting seat, the shape of the internal accommodating cavity of the large capsule base is matched with the shape of the coffee capsule, and the bottom through hole of the large capsule base is communicated with the liquid outlet.

[0014] According to some embodiments of the present application, the small capsule base comprises an upper cylinder and a lower cover plate which are detachably connected with each other, a through hole is arranged at the middle of the upper cylinder, the lower cover plate is provided with a bottom through hole, and the shape of the internal accommodating cavity of the upper cylinder is matched with the shape of the coffee capsule.

[0015] According to some embodiments of the present application, a piercing piece is arranged at the top of the upper cylinder, the piercing piece is coaxially arranged with the through hole of the upper cylinder, the piercing piece is surrounded by piercing blocks which are arranged at equal intervals, and the piercing blocks extend perpendicularly to the end face of the lower cover plate.

[0016] According to some embodiments of the present application, a flow equalizing hole plate is arranged between the upper cylinder and the lower cover plate, the flow equalizing hole plate is located at the bottom end face of the upper cylinder and abuts against the lower cover plate, and the liquid passes through the coffee capsule, the flow equalizing hole plate and the through hole of the lower cover plate in sequence.

[0017] According to some embodiments of the utility model, the coffee powder base includes detachable connection's upper cover plate and lower cylinder, the bottom of lower cylinder is provided with flow guide block, flow guide block in the bottom of lower cylinder extends to the direction of upper cover plate.

[0018] According to some embodiments of the utility model, the coffee powder base includes filter screen, the filter screen is attached with the top of flow guide block, and the filter screen is provided with uniformly distributed filter holes.

[0019] According to some embodiments of the utility model, the through hole of lower cover plate is provided with booster block, and the through hole of booster block is communicated with the liquid outlet.

[0020] According to some embodiments of the utility model, still include cup cover subassembly, the outer wall of lower cover subassembly is provided with third connecting part, and the cup cover subassembly is connected with lower cover subassembly through third connecting part.

[0021] According to some embodiments of the utility model, portable coffee machine has at least the following beneficial effects: the lower cover assembly of the end of the brewing host computer can be detachably connected with the brewing connecting seat, and the user can select the appropriate adapter seat according to the brewing requirement.The adapter seat includes three specifications of the coffee powder base, the small capsule base and the large capsule base, can be compatible with most coffee brewing methods on the market, and provides more choices for the user.

[0022] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0024] Figure 1 It is the exploded schematic view of portable coffee machine of the utility model embodiment;

[0025] Figure 2 It is the partial sectional view of portable coffee machine of the utility model embodiment;

[0026] Figure 3 It is the partial schematic view of portable coffee machine of the utility model embodiment;

[0027] Figure 4 It is the exploded sectional view of large capsule base of the utility model embodiment;

[0028] Figure 5 It is the sectional view of another embodiment of the utility model's large capsule base;

[0029] Figure 6 It is a three-dimensional schematic view of the small capsule base of the embodiment of the utility model;

[0030] Figure 7 It is an exploded sectional view of the small capsule base of the embodiment of the utility model;

[0031] Figure 8 It is a three-dimensional schematic view of the coffee powder base of the embodiment of the utility model;

[0032] Figure 9 It is an exploded sectional view of the coffee powder base of the embodiment of the utility model.

[0033] Reference signs:

[0034] Brewing host 100, water tank 110, water tank support 111, NTC heating assembly 112, temperature control assembly 113, power supply battery 114, control assembly 115, water pump 120, brewing assembly 130, water outlet 131, lower cover assembly 140, first connecting part 141, third connecting part 142,

[0035] Brewing connecting seat 200, second connecting part 201, liquid outlet 202, limiting block 203,

[0036] Adaptation seat 300, coffee powder base 310, upper cover plate 311, lower cylinder 312, flow equalizing guide block 312a, filter screen 313, filter hole 313a, booster block 314, small capsule base 320, upper cylinder 321, lower cover plate 322, flow equalizing hole plate 323, puncture piece 324, puncture block 324a, large capsule base 330,

[0037] Cup cover assembly 400. DETAILED DESCRIPTION

[0038] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model and cannot be understood as limiting the utility model.

[0039] In the description of the utility model, it is understood that the orientation description, such as up, down, front, back, left, right, top, bottom and the like, is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0040] In the description of the utility model, if several meanings are one or more, the meaning of multiple is two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number.If there is a description to the first, second is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0041] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0042] The following refers to Figures 1-9 The portable coffee machine according to the embodiments of the utility model is described.

[0043] As Figures 1-9 Indicated, the portable coffee machine includes a brewing host 100, the brewing host 100 is in whole columnar structure, water tank 110, water pump 120 connected with water tank 110 and brewing assembly 130 connected with water pump 120 are sequentially arranged from top to bottom. The end of brewing host 100 is provided with lower cover assembly 140, and the water outlet part 131 of brewing assembly 130 extends into lower cover assembly 140. Specifically, as Figure 2 Indicated, the top of brewing host 100 is provided with an opening, and the inside is provided with a water tank support 111, the water tank 110 is fixed on the water tank support 111, and the top opening of the water tank 110 is closed by a cup cover. NTC heating assembly 112 is fixedly arranged at the bottom of water tank 110, NTC heating assembly 112 extends into the inside of water tank 110, and the liquid in water tank 110 is heated by NTC heating assembly 112. Temperature control assembly 113 is arranged at water tank support 111, temperature control assembly 113 is tightly attached to the bottom outer wall of water tank 110, and the liquid temperature in water tank 110 can be monitored in real time.

[0044] In the embodiment, brewing host 100 is also provided with power supply battery 114 and control assembly 115. Specifically, control assembly 115 is a PCB board structure, fixed below water tank support 111, and power supply battery 114 adopts vertical installation form, more battery cells can be installed in longitudinal space, the capacity of coffee machine is improved, and the demand of heating endurance is met. After the battery cell is vertically installed, the longitudinal space is more, and the water pump 120 can also be fixed in a vertical installation mode, so that the internal space of brewing host 100 is reasonably utilized. The water inlet of water pump 120 is connected to the water outlet at the bottom of water tank 110 through a food-grade hose, and the water outlet of water pump 120 and brewing assembly 130 are communicated through the channel formed by the waterproof sleeve, and the channel formed by the waterproof sleeve is communicated with the water outlet part 131.

[0045] The power supply battery 114 is electrically connected with the control assembly 115 and the water pump 120 respectively, and the control assembly 115 can control the water pump 120 to draw the liquid in the water tank 110 to the water outlet 131 of the brewing assembly 130. The water outlet 131 adopts a needle structure and can pierce the coffee capsule to make the liquid in the water tank 110 contact the coffee powder.

[0046] The related structure of the water tank 110, the water pump 120 and the brewing assembly 130 in the embodiment is a technical solution known to those skilled in the art, and will not be described in detail in the embodiment.

[0047] The brewing main machine 100 further comprises a brewing connecting seat 200 and an adapter seat 300. The lower cover assembly 140 is connected with the brewing connecting seat 200, and the inner wall of the lower cover assembly 140 is provided with a first connecting part 141. Correspondingly, the outer wall of the brewing connecting seat 200 is provided with a second connecting part 201, and the first connecting part 141 and the second connecting part 201 are detachably connected. In the embodiment, the first connecting part 141 and the second connecting part 201 adopt a threaded connection structure, and in other embodiments, a buckle and slot connection structure or a magnetic attraction connection structure can also be adopted.

[0048] The specific structure of the first connecting part 141 and the second connecting part 201 will not be described one by one, and it should be understood that the structure of the first connecting part 141 and the second connecting part 201 can be flexibly changed without departing from the basic concept of the utility model, and should be regarded as within the protection scope defined in the utility model.

[0049] The liquid of the brewing assembly 130 enters the brewing connecting seat 200 through the water outlet 131 and contacts the coffee medium to form coffee liquid which is discharged from the bottom liquid outlet 202. The adapter seat 300 is detachably installed in the brewing connecting seat 200, and the adapter seat 300 is filled with coffee medium. The liquid enters the adapter seat 300 from the water outlet 131 and contacts the coffee powder or coffee capsule to form coffee liquid which is discharged from the through hole at the bottom of the adapter seat 300. The through hole at the bottom of the adapter seat 300 is in communication with the bottom liquid outlet 202 of the brewing connecting seat 200.

[0050] The adapter seat 300 includes one or a combination of the coffee powder base 310, the small capsule base 320 and the large capsule base 330, which are matched with the brewing connecting seat 200 to meet different brewing requirements. Specifically, the adapter seat 300 includes the coffee powder base 310, the small capsule base 320 and the large capsule base 330, which can meet the brewing of large-size coffee capsules, more than the brewing styles of the existing portable coffee machines, and meet different coffee brewing requirements of users. The adapter seat 300 can be detachably connected with the brewing connecting seat 200, the three types of adapter seats 300 are convenient to carry and replace, and the user experience is improved. The portable coffee machine of the embodiment can be compatible with most coffee capsules on the market, improve the applicability of the equipment, and thus improve the market competitiveness.

[0051] In some embodiments of the utility model, as shown in Figure 4 The inner wall of the brewing connecting seat 200 is provided with a limiting block 203, and the limiting block 203 is in abutment with the outer wall of the adapter seat 300 to fix the position of the adapter seat 300. Specifically, the brewing connecting seat 200 has a cylindrical structure, and a stepped bottom plate is arranged at the middle part of the bottom periphery of the brewing connecting seat 200 towards the liquid outlet 202, which can adapt to the shape of the shell of the coffee capsule.

[0052] The limiting blocks 203 are arranged at equal intervals around the inner wall of the brewing connecting seat 200, and the limiting blocks 203 protrude from the inner wall of the brewing connecting seat 200. When the adapter seat 300 is installed in the accommodating cavity of the brewing connecting seat 200, the adapter seat 300 is in abutment with the limiting blocks 203, so that the adapter seat 300 is fixed relative to the brewing connecting seat 200.

[0053] In some embodiments of the utility model, as shown in Figure 4 When the adapter seat 300 is the large capsule base 330, the outer wall of the large capsule base 330 matches the inner wall of the brewing connecting seat 200, the shape of the accommodating cavity of the large capsule base 330 matches the shape of the coffee capsule, and the bottom through hole of the large capsule base 330 is in communication with the liquid outlet 202.

[0054] Specifically, the coffee capsule of the large capsule base 330 is installed in the accommodating cavity of the large capsule base 330 in a front-loading manner. During the brewing process, the water outlet 131 pierces the top film of the large capsule, so that the liquid enters the capsule, the sealed state in the capsule is destroyed, the coffee concentrate in the capsule is mixed with the liquid and discharged from the bottom of the capsule, and the coffee liquid is discharged from the bottom through hole of the large capsule base 330.

[0055] It should be understood that the brewing connecting seat 200 and the large capsule base 330 adopt a split structure, which is not the only embodiment. In other embodiments, as shown in Figure 5As shown, the brewing connector 200 can also be integrally formed with the large capsule base 330 to make a brewing connector 200 specially used for brewing large capsules, for users who prefer large capsules, and the brewing connector 200 does not need to be assembled and is more convenient to clean.

[0056] In some embodiments of the present application, as shown in Figure 6 and Figure 7 As shown, when the adapter 300 is a small capsule base 320, the small capsule base 320 includes an upper cylinder 321 and a lower cover plate 322 which are detachably connected to each other, the upper cylinder 321 is provided with a through hole in the middle, and the lower cover plate 322 is provided with a bottom through hole, and the internal cavity of the upper cylinder 321 is shaped to match the shape of the coffee capsule.

[0057] Further, the top of the upper cylinder 321 is provided with a piercing member 324 which is coaxially arranged with the through hole of the upper cylinder 321, and the piercing member 324 is surrounded by piercing blocks 324a which are arranged at equal intervals and extend perpendicularly to the end face of the lower cover plate 322.

[0058] A flow equalizing hole plate 323 is arranged between the upper cylinder 321 and the lower cover plate 322, and the flow equalizing hole plate 323 is located at the bottom end face of the upper cylinder 321 and abuts against the lower cover plate 322, and the liquid passes through the coffee capsule, the flow equalizing hole plate 323 and the through hole of the lower cover plate 322 in sequence.

[0059] Specifically, the small capsule is brewed in an inverted form, and when the small capsule is installed, the piercing member 324 in the upper cylinder 321 can pierce the small capsule in cooperation with the water outlet portion 131 to make more liquid enter the capsule at the same time and mix fully. The mixed coffee liquid is discharged from the liquid outlet 202 of the brewing connector 200 under the shunt effect of the flow equalizing hole plate 323.

[0060] In some embodiments of the present application, as shown in Figure 8 and Figure 9 As shown, when the adapter 300 is a coffee powder base 310, the coffee powder base 310 includes an upper cover plate 311 and a lower cylinder 312 which are detachably connected, and the bottom of the lower cylinder 312 is provided with a flow equalizing guide block 312a which extends upward to the upper cover plate 311. Further, the coffee powder base 310 includes a filter screen 313 which is attached to the top of the flow equalizing guide block 312a, and the filter screen 313 is provided with uniformly distributed filter holes 313a.

[0061] The coffee powder is pressed in the area above the filter screen 313, the liquid enters the coffee powder through the water outlet portion 131 to form coffee liquid, the coffee liquid passes through the filter screen 313 to enter the area of the flow equalizing guide block 312a, and finally is discharged from the bottom through hole. The filter screen 313 can block the coffee powder residue to avoid the brewed coffee liquid containing particles.

[0062] Further, the through hole of the lower cover plate 322 is provided with a booster block 314, and the through hole of the booster block 314 is communicated with the liquid outlet 202. Specifically, the booster block 314 is provided with a single through hole, which reduces the diameter of the liquid outlet, reduces the liquid outlet flow, increases the pressure in the cavity where the coffee powder is located, and improves the mixing and brewing of the liquid and the coffee powder, thereby improving the brewing quality.

[0063] In some embodiments of the utility model, as shown in Figure 1 and Figure 3 As shown, it further comprises a cup cover assembly 400, and the outer wall of the lower cover assembly 140 is provided with a third connecting part 142, and the cup cover assembly 400 is connected with the lower cover assembly 140 through the third connecting part 142.

[0064] Specifically, the third connecting part 142 adopts a threaded connection structure, and the cup cover assembly 400 is provided with threads corresponding to the third connecting part 142, so that the cup cover assembly 400 can be screwed with the brewing host 100, facilitating carrying. In the storage state, it can be used as a protective cover to protect the brewing assembly 130. In the use state, it can be used as a coffee cup.

[0065] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A portable coffee maker characterized in that, The utility model relates to a coffee machine, and more particularly to a coffee machine with an adapter seat. The utility model discloses a coffee machine, which comprises a brewing main machine (100), a water tank (110) arranged inside the brewing main machine (100), a water pump (120) connected with the water tank (110), a brewing assembly (130) connected with the water pump (120), a lower cover assembly (140) arranged at an end of the brewing main machine (100), a water outlet (131) of the brewing assembly (130) extending into the lower cover assembly (140), and a first connecting part (141) arranged on an inner wall of the lower cover assembly (140). The utility model discloses a brewing connecting seat (200) with a second connecting part (201) arranged on an outer wall thereof, the second connecting part (201) being detachably connected with the first connecting part (141), liquid in the brewing assembly (130) entering the brewing connecting seat (200) and being discharged from a liquid outlet (202) of the brewing connecting seat (200). The utility model discloses an adapter seat (300) detachably installed in the brewing connecting seat (200), a top of the adapter seat (300) being in communication with the water outlet (131) and a bottom of the adapter seat (300) being in communication with the liquid outlet (202). The adapter seat (300) comprises one or a combination of a coffee powder base (310), a small capsule base (320) and a large capsule base (330) for connecting with the brewing connecting seat (200) to meet different brewing requirements.

2. The portable coffee maker of claim 1, wherein, A top of the brewing main machine (100) is provided with an opening, and a water tank support (111) is arranged inside the brewing main machine (100), the water tank (110) being fixed on the water tank support (111), and a top opening of the water tank (110) being detachably closed by a cup cover. An NTC heating assembly (112) is fixedly arranged at a bottom of the water tank (110), and the NTC heating assembly (112) extends into an inside of the water tank (110). A temperature control assembly (113) is arranged at the water tank support (111), and the temperature control assembly (113) is tightly attached to an outer wall of a bottom of the water tank (110) to monitor a liquid temperature in the water tank (110) in real time. The brewing main machine (100) is further provided with a power supply battery (114) and a control assembly (115), the power supply battery (114) adopting a vertical mounting structure, and the control assembly (115) being electrically connected with the power supply battery (114) and the water pump (120) respectively.

3. The portable coffee maker of claim 1, wherein, A limiting block (203) is arranged on a periphery of an inner wall of the brewing connecting seat (200), and the limiting block (203) abuts against an outer wall of the adapter seat (300) to fix a position of the adapter seat (300).

4. The portable coffee maker of claim 3, wherein, An outer wall of the large capsule base (330) is matched with an inner wall of the brewing connecting seat (200), an internal accommodating cavity of the large capsule base (330) is matched with a shape of a coffee capsule, and a bottom through hole of the large capsule base (330) is in communication with the liquid outlet (202).

5. The portable coffee maker of claim 3, wherein, The small capsule base (320) comprises a detachably connected upper cylinder (321) and lower cover plate (322), the upper cylinder (321) is provided with a through hole in the middle, and the lower cover plate (322) is provided with a bottom through hole, and the internal cavity of the upper cylinder (321) is matched with the shape of the coffee capsule.

6. The portable coffee maker of claim 5, wherein, The top of the upper cylinder (321) is provided with a piercing piece (324), the piercing piece (324) is coaxially arranged with the through hole of the upper cylinder (321), and the piercing piece (324) is surrounded by piercing blocks (324a) arranged at equal intervals, and the piercing blocks (324a) extend perpendicularly to the end face of the lower cover plate (322).

7. The portable coffee maker of claim 5, wherein, The upper cylinder (321) and the lower cover plate (322) are provided with a uniform flow hole plate (323), the uniform flow hole plate (323) is located at the bottom end face of the upper cylinder (321) and abuts against the lower cover plate (322), and the liquid passes through the coffee capsule, the uniform flow hole plate (323) and the through hole of the lower cover plate (322) in sequence.

8. The portable coffee maker of claim 7, wherein, The coffee powder base (310) comprises a detachably connected upper cover plate (311) and lower cylinder (312), the bottom of the lower cylinder (312) is provided with a uniform flow guide block (312a), and the uniform flow guide block (312a) extends from the bottom of the lower cylinder (312) to the upper cover plate (311).

9. The portable coffee maker of claim 8, wherein, The coffee powder base (310) comprises a filter screen (313), the filter screen (313) is attached to the top of the uniform flow guide block (312a), and the filter screen (313) is provided with uniformly distributed filter holes (313a).

10. The portable coffee maker of claim 8, wherein, The through hole of the lower cover plate (322) is provided with a booster block (314), and the through hole of the booster block (314) communicates with the liquid outlet (202).