Mini coffee machine with compact structure

By rationally arranging the water pressurization device, battery, and circuit board in the mini coffee machine, and adopting designs such as bolt connections and support devices, the problems of large size and low space utilization of mini coffee machines have been solved, achieving a compact design and efficient operation, and improving portability and practicality.

CN223695583UActive Publication Date: 2025-12-23AUTECH TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520133588.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-12-23
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing mini coffee machines are not compact enough, resulting in a large size, taking up a lot of space, affecting portability and adaptability. The internal components are poorly arranged, resulting in low space utilization.

Method used

By rationally setting positioning ports and slots for the water pressurization device, battery, and circuit board inside the casing, they are vertically fixed inside the bottom casing and locked with brackets to form a tight fit. The upper and lower casings are connected by bolts, and a support device and a detachable extraction device are designed. Flexible silicone and plugs are used to seal the function buttons and charging interface, so as to achieve stable and convenient operation of the components.

Benefits of technology

The miniaturized design improves the reliability and aesthetics of the device, simplifies operation, makes it suitable for various scenarios, ensures efficient coffee extraction and a stable usage process, and enhances the practical value of portable coffee machines.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to a mini coffee maker with a compact structure, which comprises a casing, a water supercharging device, a battery, a circuit board, a support and a water pipeline, the casing comprises an upper casing and a bottom casing, the bottom casing is provided with a water outlet, and the bottom casing is provided with a water supercharging device positioning port, a battery positioning port and a circuit board positioning clamping groove; the upper shell is provided with a water inlet, the upper shell and the bottom shell are assembled, the water supercharging device, the battery, the circuit board and the water pipeline enter an inner cavity of the upper shell, and the upper end of the water pipeline is communicated with the water inlet; the water supercharging device and the battery are electrically connected with the circuit board, and the battery supplies power to the water supercharging device and the circuit board. According to the design, the water supercharging device positioning opening, the battery positioning opening and the circuit board positioning clamping groove are reasonably formed in the bottom shell, and the water supercharging device, the battery and the circuit board are fixed in the bottom shell, so that all the components are tightly matched, the size of equipment is reduced to the maximum extent, mini design is achieved, and carrying and storage are convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a compact structure's mini coffee machine. BACKGROUND

[0002] With the acceleration of modern life rhythm, convenient and efficient equipment is more and more favored by consumers, especially in travel, outdoor activities and office places, portable small household appliances become an important part of daily life. As a kind of portable equipment, mini coffee machine is widely used in these scenes with the characteristics of small size, simple operation and convenient carrying. However, the existing mini coffee machine usually faces the following problems in design:

[0003] Although the mini coffee machine is positioned as a portable equipment, due to the design of the body structure in the existing design, the volume of the coffee machine is still large, which occupies more space, which limits its portability and adaptability, especially in travel and outdoor activities with high space requirements, the coffee machine with too large volume is not practical enough.

[0004] The current mini coffee machine does not fully consider how to reduce space waste through compact design in the layout of internal components. The distribution of key components such as battery, water booster, circuit board lacks overall planning, resulting in low space utilization rate in the body, which cannot achieve the best compact effect. INVENTION CONTENTS

[0005] The utility model aims at providing a compact structure's mini coffee machine that improves the space utilization rate of the shell and significantly reduces the overall volume of the equipment.

[0006] The purpose of the utility model is realized as follows:

[0007] A compact structure's mini coffee machine, comprising a shell, a water booster, a battery, a circuit board, a bracket and a water pipeline, the shell comprises an upper shell and a bottom shell, the bottom shell is provided with a water outlet, the bottom shell is provided with a water booster positioning port, a battery positioning port and a circuit board positioning slot;

[0008] The lower end of the water booster is inserted into the water booster positioning port, so that the water booster is seated in the bottom shell, and the outlet of the water booster is communicated with the water outlet;

[0009] The lower end of the battery is inserted into the battery positioning port, so that the battery is arranged in the bottom shell;

[0010] The lower part of the circuit board is inserted into the circuit board positioning slot, so that the circuit board is arranged in the bottom shell;

[0011] The bracket is arranged in the bottom shell to lock the water booster and prevent the water booster from loosening;

[0012] The water pipeline is seated on the support, and the lower end of the water pipeline is communicated with the inlet of the water pressure increasing device;

[0013] The upper shell is provided with a water inlet, and the upper shell and the bottom shell are assembled, the water pressure increasing device, the battery, the circuit board and the water pipeline enter the inner cavity of the upper shell, and the upper end of the water pipeline is communicated with the water inlet;

[0014] The water pressure increasing device and the battery are electrically connected with the circuit board respectively, and the battery supplies power for the water pressure increasing device and the circuit board.

[0015] The design fixes the water pressure increasing device, the battery and the circuit board in the bottom shell through the reasonable setting of the water pressure increasing device positioning port, the battery positioning port and the circuit board positioning slot in the bottom shell, so that the components are closely matched, the volume of the equipment is maximally reduced, the miniaturization design is realized, and the equipment is convenient to carry and store.

[0016] The water pressure increasing device is fixed by being inserted into the positioning port and is further locked by the support, so as to prevent loosening; the battery and the circuit board are fixed by being inserted into the special positioning port and the slot, so as to ensure that the components are not displaced due to vibration during transportation or use, and the reliability of the equipment is improved.

[0017] The lower end of the water pipeline is connected with the inlet of the water pressure increasing device, and the upper end is connected with the water inlet, so that a simple water supply path is formed; the battery supplies power for the water pressure increasing device through the circuit board, so that the precise and efficient water pressure increasing function is realized, and the demand of rapid coffee extraction is met.

[0018] By integrating the water pressure increasing device, the battery and the circuit board into the compact shell, not only the internal components are effectively protected, but also the exposed components of the equipment are reduced, the appearance is improved, the user can easily operate, and the demand of convenience and practicability of the user is met.

[0019] The small and compact design of the equipment is suitable for various scenes such as family, office and travel, and through the efficient pressure increasing function of the water pressure increasing device, the user can extract high-quality coffee in a short time, and the practical value of the portable coffee machine is greatly improved.

[0020] The purpose of the utility model can also be solved by the following technical measures:

[0021] Further, the bottom shell is provided with a lower connecting column, the upper shell is provided with a hollow upper connecting column, a bolt hole is formed in the bottom of the hollow upper connecting column, the upper connecting column and the lower connecting column are connected, the bolt passes through the bolt hole to lock the lower connecting column, so that the upper shell and the bottom shell are locked and connected.

[0022] The upper shell and the bottom shell are fixedly connected by bolt locking, ensuring that the shell does not loosen during use, transportation or vibration, and improving the stability and durability of the overall structure.

[0023] The upper shell and the bottom shell are connected by the upper and lower connecting columns and locked by bolts passing through the bolt holes of the hollow upper connecting column. The installation process is simple and fast, which can effectively shorten the production and assembly time, and facilitate the later disassembly and maintenance.

[0024] The bolt locking design not only stably connects the upper shell and the bottom shell, but also tightly fits at the connection part, effectively preventing external dust and moisture from entering the interior of the machine shell, and improving the sealing and protection performance of the equipment.

[0025] The hollow upper connecting column is symmetrically distributed with the lower connecting column of the bottom shell, so that the connection stress is uniform and the center of gravity of the equipment is stable. At the same time, the hidden bolt hole avoids the influence of exposed bolts on the appearance, ensuring the overall beauty of the equipment.

[0026] The stability and sealing of the shell connection reduce the possibility of component displacement or failure caused by external force or environmental factors, further improving the use safety and reliability of the mini coffee machine.

[0027] Further, the circuit board is provided with a function button, the upper shell is provided with a first opening corresponding to the position of the function button, and the first opening is provided with flexible silica gel, which seals the first opening.

[0028] The function button position seals the first opening through flexible silica gel, so that users can directly press the flexible silica gel for operation without opening the equipment or exposing the internal circuit, realizing quick and simple operation, which is especially suitable for mobile and portable use scenarios.

[0029] The flexible silica gel seals the first opening, which can effectively prevent moisture, dust or other external impurities from entering the interior of the equipment, avoid damaging the circuit board, improve the waterproof and dustproof performance of the equipment, and adapt to various complex environments.

[0030] Further, the circuit board is provided with a charging interface, the upper shell is provided with a second opening corresponding to the position of the charging interface, and the second opening is provided with a plug cover which seals the second opening in a detachable manner.

[0031] The second opening seals the charging interface in a detachable manner through the plug cover, which can completely protect the interface when not in use, avoiding failure caused by external pollution; when charging is needed, only the plug cover needs to be removed, which is flexible and convenient to operate.

[0032] Further, the support device is provided, which comprises at least two support arms, and the bottom shell is spaced apart along its circumferential direction to accommodate slots, and each support arm is rotatably connected to the bottom shell, and the support arm is rotated into or out of the accommodating slot.

[0033] The design of the support device enables the coffee machine to be stably seated above the cup, and the support arm can effectively fix the coffee machine above the cup after being unfolded, avoiding the situation of tilting or instability of the coffee machine. The coffee liquid can smoothly flow into the cup during extraction, ensuring the stability of the coffee machine and the safety during use.

[0034] The rotatable connection of the support arm enables the support device to be flexibly unfolded and accommodated. The user only needs to unfold the support arm to the appropriate position when using, and stably support the coffee machine above the cup, and after use, the support arm can be rotated back into the accommodating slot, saving space and facilitating storage. This design is very suitable for small and convenient mini coffee machines, improving the flexibility and convenience of operation.

[0035] Since the support arm can be retracted into the accommodating slot of the machine shell when not in use, the volume and occupied space of the overall coffee machine are effectively optimized. The user can unfold the support arm when needed, and retract it after use, avoiding the occupation of space by redundant structures, and facilitating storage.

[0036] The support device enables the coffee machine to be stably seated above the cup, ensuring that the liquid flow is more stable and smooth when the coffee liquid flows into the cup, avoiding the situation of liquid splashing or uneven extraction caused by unstable machine. This design ensures that the user can obtain stable and high-quality coffee extraction.

[0037] The support device provides more use scenarios and adaptability for the coffee machine. The user can adjust the position of the support arm as needed, so that the coffee machine can adapt to cups of different sizes and shapes. This flexibility improves the applicability of the coffee machine in diverse environments, whether at home, in the office, or when traveling.

[0038] The design of the support device makes the operation of the coffee machine more intuitive and simple, and the user only needs to unfold the support arm and place the coffee machine above the cup to quickly start using, without worrying about the instability of the coffee machine or the inadaptability of the cup. The overall operation is simplified, and the user does not need to hold the coffee machine for extraction, improving the user experience, especially suitable for environments that require convenient use.

[0039] Further, the extraction device is provided, the bottom of the bottom shell is provided with a connecting cavity, the bottom of the bottom shell is located in the connecting cavity and is provided with the water outlet, and the extraction device comprises a capsule pressing cover, a base and a piercing plate, the capsule pressing cover is provided with a hollow piercing needle, and the piercing needle is provided with a first through hole;

[0040] The base is provided with a receiving cavity, and the bottom of the base is provided with a coffee liquid outlet communicating with the receiving cavity;

[0041] The piercing plate is spaced apart from the second through hole;

[0042] The piercing plate is seated in the receiving cavity, the capsule pressing cover is placed in the receiving cavity and seated on the piercing plate, and an extraction cavity is formed between the capsule pressing cover and the piercing plate;

[0043] The base is detachably connected to the connecting cavity of the machine shell, and the water outlet communicates with the piercing needle.

[0044] The base of the extraction device is detachably connected to the connecting cavity of the machine shell, facilitating the user to disassemble, clean and maintain, and ensuring the hygiene and long-term reliability of the equipment. The piercing plate and the capsule pressing cover can be independently removed, further improving the convenience of cleaning and avoiding the influence of coffee residue accumulation on taste and equipment.

[0045] The design of the piercing needle and the piercing plate realizes accurate piercing of the coffee capsule. Hot water enters the coffee capsule through the first through hole from the water outlet, and is uniformly distributed in the capsule to fully contact the coffee powder, and then is discharged through the second through hole. This process ensures efficient extraction and improves the concentration and taste of coffee.

[0046] The coffee liquid is directly discharged from the extraction cavity through the second through hole into the coffee liquid outlet at the bottom of the receiving cavity, the passage is short and smooth, and the accumulation of residues is avoided, ensuring that the coffee liquid passage is clean and tidy after each extraction, reducing the risk of taste carryover.

[0047] Through the flexible design of the extraction cavity, users can put in coffee capsules of different sizes or types to adapt to diversified market demands and provide more choices for consumers. The cooperation of the piercing needle and the piercing plate can adapt to the common coffee capsule standard without additional adjustment.

[0048] The user only needs to put the coffee capsule into the extraction cavity, the capsule pressing cover automatically pierces the top of the capsule, the piercing plate pierces the bottom of the capsule, and the sealing and extraction process is completed. No manual complex processing of the capsule is required, which greatly simplifies the use steps and improves the user experience.

[0049] Hot water accurately enters the inside of the coffee capsule through the first through hole of the water outlet and the piercing needle, realizing directional drainage, and avoiding waste caused by early contact of hot water with the outer wall of the capsule. The uniform distribution of hot water in the capsule allows the coffee powder to be fully soaked, ensuring sufficient extraction and improving the quality of coffee.

[0050] The ingenious layout of the connecting cavity and the exquisite design of the extraction device ensure the compactness of the equipment, which is suitable for various scenes such as travel and office, further meeting the needs of users for portability and efficient coffee making.

[0051] Further, the upper cup is provided with a water outlet hole at the bottom, and the inner cavity of the upper cup is larger than the upper part of the shell;

[0052] When stored, the upper cup is inverted, and the upper part of the shell is inserted into the inner cavity of the upper cup;

[0053] When in use, the upper cup is seated on the top of the shell and detachably connected to the shell, and the water outlet hole is in communication with the water inlet.

[0054] The inverted design of the upper cup allows the upper part of the shell to be inserted into the inner cavity of the upper cup, effectively reducing the overall volume of the coffee machine when not in use. This ingenious design greatly improves the stowability of the coffee machine, making it convenient to store and carry, especially when placed in a thermos cup of appropriate size for users to carry.

[0055] When in use, the user can seat the upper cup on the top of the shell and connect it, which is convenient and fast. The user only needs to pour hot water into the inner cavity of the water cup to easily start the coffee machine for extraction. The operation is simple, and the detachable connection between the upper cup and the shell makes it more convenient to disassemble and clean the coffee machine.

[0056] Due to the small size and integrated design, the user can invert the upper cup and tightly combine it with the shell, which is convenient for carrying and transporting. This makes the coffee machine not only suitable for home and office, but also suitable for outdoor travel, camping and other scenes, with wider applicability.

[0057] When the upper cup is seated on the top of the shell and connected, the inner cavity of the upper cup is a water storage cavity, eliminating the water tank in traditional coffee machines, simplifying the structural design, and avoiding the cleaning and maintenance problems of the water tank. In addition, the volume of the inner cavity of the water cup is sufficient to meet the daily use requirements, which not only improves the simplicity of the overall design, but also reduces the occupied space.

[0058] Further, the bottom of the upper cup is provided with a clamping cavity, the entrance of the clamping cavity is spaced apart along the circumferential direction and provided with a lower clamping piece, the top of the upper shell is spaced apart along the circumferential direction and provided with an upper clamping piece, and the top of the upper shell extends into the clamping cavity. Rotate the upper cup or the shell to make the upper clamping piece and the lower clamping piece abut to connect the upper cup and the shell.

[0059] The user only needs to rotate the upper cup or the shell to connect them by abutting the upper clamping piece and the lower clamping piece, which is simple to operate without the need for additional tools or complex operation steps. This design improves the convenience of using the coffee machine and reduces the time and trouble of installation and disassembly.

[0060] The abutting design of the upper card and the lower card ensures the stable connection between the upper cup body and the shell, avoiding loosening or falling off during use. This structure can effectively ensure the stability of the coffee machine during use, avoid water leakage or abnormal operation, and improve the safety and reliability of the equipment.

[0061] The card connection method can achieve precise docking, making the contact surface between the upper cup body and the shell more compact, ensuring that water is not easily leaked. The seamless connection design effectively avoids the water leakage problem that may occur in traditional connection methods, improving the sealing performance of the equipment.

[0062] This rotating card connection method makes the disassembly and recombination of the upper cup body and the shell more flexible, facilitating adjustment in different use scenarios. Whether it is cleaning, storage, or reinstallation, users can quickly complete the operation, especially suitable for scenarios that require frequent storage or carrying.

[0063] Further, it also includes a dust cover and a coffee cup, the inner cavity size of the coffee cup is larger than the lower size of the shell, and the dust cover is detachably arranged at the bottom of the upper cup body when stored, and the lower part of the shell is inserted into the inner cavity of the coffee cup.

[0064] Equipped with a dust cover, users can install the dust cover at the bottom of the upper cup body, effectively blocking the water inlet, preventing dust and foreign matter from entering the interior of the shell, maintaining the cleanliness of the coffee machine, and prolonging the service life of the equipment.

[0065] The inner cavity of the coffee cup is designed to be larger than the lower size of the shell, and when stored, the lower part of the shell can be inserted into the inner cavity of the coffee cup, realizing the combined storage of the coffee cup and the coffee machine. This design makes the overall storage more compact, avoiding occupying too much space, and is very suitable for home, office or travel scenarios.

[0066] When users need to make coffee, they can directly use the coffee cup as a receiving container, avoiding the need to prepare additional cups. The coffee cup design has dual functions of storage and use, improving the efficiency and convenience of the equipment.

[0067] By integrating the coffee machine, coffee cup and dust cover, a visual integration effect is formed, improving the aesthetics of the product appearance, and the dust cover covering the water inlet design makes the equipment more tidy when stored.

[0068] The convenient and compact design of storage makes the equipment very suitable for carrying, suitable for travel, office or outdoor scenarios.

[0069] Further, the water booster device is a water pump.

[0070] Further, the battery is vertically arranged in the bottom shell, and the circuit board is also vertically arranged in the bottom shell.

[0071] The water pressurizing device, the battery and the circuit board are fixed in the bottom shell in a vertical manner, so that the components are closely matched, the volume of the equipment is minimized, the mini design is realized, and carrying and storage are facilitated.

[0072] The utility model discloses the following beneficial effects:

[0073] The utility model discloses, through the reasonable setting water pressurizing device positioning mouth, battery positioning mouth and circuit board positioning groove in bottom shell, water pressurizing device, battery and circuit board are fixed in bottom shell in vertical mode, so that the component closely cooperate, the volume of equipment is minimized, realized mini design, and the carrying and storage are facilitated.

[0074] The utility model discloses water pressurizing device through inserting positioning mouth fixed, and by further locking of support, prevent loosening, battery and circuit board pass through special positioning mouth and the fixed insertion of slot, ensure that each component does not shift in the process of transportation or use because of vibration, improved the reliability of equipment.

[0075] The utility model discloses, water pipeline lower extreme links with water pressurizing device entrance, and the upper end links with the water inlet, forms the simple water supply path, and the battery is powered for water pressurizing device through circuit board, realizes the accurate, high -efficient water supply pressure function, satisfies the demand of coffee fast extraction.

[0076] The utility model discloses, through the integration of water pressurizing device, battery and circuit board to the compact shell inside, not only effectively protected the internal component, also reduced the exposed component of equipment, improved the appearance aesthetic property, while ensuring that the user can easily operate, satisfied the demand of user to convenience and practicality.

[0077] The utility model discloses, the small and compact design of equipment is applicable to family, office and travel and a plurality of scenes, and through the high -efficient pressure function of water pressurizing device, the user can extract high -quality coffee in short time, and the practical value of portable coffee machine is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0078] Figure 1 It is the assembly drawing of dust cover, upper cup body, mini coffee machine, extraction device and coffee cup.

[0079] Figure 2 It is the assembly drawing of dust cover, upper cup body, mini coffee machine, extraction device and coffee cup.

[0080] Figure 3 It is the assembly drawing of dust cover, upper cup body, mini coffee machine, extraction device and coffee cup.

[0081] Figure 4 It is the assembly drawing of dust cover, upper cup body, mini coffee machine, extraction device and coffee cup.

[0082] Figure 5 This is a cross-sectional view of a mini coffee machine (in its folded state).

[0083] Figure 6 This is a schematic diagram of a mini coffee machine (excluding the top casing).

[0084] Figure 7 This is a schematic diagram of the mini coffee machine from another angle (excluding the upper casing).

[0085] Figure 8 This is a schematic diagram of the mini coffee machine from another angle (excluding the upper casing).

[0086] Figure 9 This is a schematic diagram of a mini coffee machine (with the upper casing separated).

[0087] Figure 10 This is another angle view of the mini coffee machine (with the upper casing separated).

[0088] Figure 11 This is a schematic diagram of a mini coffee machine (with the upper casing, battery, circuit board, and water pipes separated).

[0089] Figure 12 This is another angle view of the mini coffee machine (with the upper casing, battery, circuit board, and water pipes separated).

[0090] Figure 13 This is a schematic diagram of a mini coffee machine (with the upper casing, battery, circuit board, stand, and water pipes separated).

[0091] Figure 14 This is another angle view of the mini coffee machine (with the upper casing, battery, circuit board, bracket, water pressurization device, and water pipes separated).

[0092] Figure 15 This is a schematic diagram of the bottom shell of a mini coffee machine.

[0093] Figure 16 This is a schematic diagram of the upper casing of a mini coffee machine. Detailed Implementation

[0094] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0095] Implementation examples, in conjunction with Figures 1 to 16 As shown, a compact mini coffee machine includes a housing 1, a water pressurization device 2, a battery 3, a circuit board 4, a bracket 5, and a water pipe 6. The housing 1 includes an upper housing 11 and a bottom housing 12. The bottom housing 12 has a water outlet 121 and is provided with a water pressurization device positioning port 122, a battery positioning port 123, and a circuit board positioning slot 124.

[0096] The lower end of the water pressure device 2 is inserted into the water pressure device positioning port 122, so that the water pressure device 2 is seated in the bottom shell 12, and the outlet of the water pressure device 2 communicates with the water outlet 121;

[0097] The lower end of the battery 3 is inserted into the battery positioning port 123, so that the battery 3 is arranged in the bottom shell 12 in a vertical manner;

[0098] The lower part of the circuit board 4 is inserted into the circuit board positioning clamping groove 124, so that the circuit board 4 is arranged in the bottom shell 12 in a vertical manner;

[0099] The bracket 5 is arranged in the bottom shell 12 to lock the water pressure device 2, so as to prevent the water pressure device 2 from loosening;

[0100] The water pipeline 6 is seated on the bracket 5, and the lower end of the water pipeline 6 communicates with the inlet of the water pressure device 2;

[0101] The upper shell 11 is provided with a water inlet 111, the upper shell 11 and the bottom shell 12 are assembled, the water pressure device 2, the battery 3, the circuit board 4 and the water pipeline 6 enter the inner cavity of the upper shell 11, and the upper end of the water pipeline 6 communicates with the water inlet 111;

[0102] The water pressure device 2 and the battery 3 are respectively electrically connected with the circuit board 4, and the battery 3 supplies power to the water pressure device 2 and the circuit board 4.

[0103] Further, bolts are further included, the bottom shell 12 is provided with lower connecting columns 125 at intervals, the upper shell 11 is provided with hollow upper connecting columns 112 at intervals, the bottom of the hollow upper connecting column 112 is provided with a bolt hole, the upper connecting column and the lower connecting column 125 are connected, the bolt passes through the bolt hole to lock the lower connecting column 125, so that the upper shell 11 and the bottom shell 12 are locked and connected.

[0104] Further, the circuit board 4 is provided with a function button 41, the upper shell 11 is provided with a first opening 113 at a position corresponding to the function button 41, the first opening 113 is provided with a flexible silica gel 7, and the flexible silica gel 7 seals the first opening 113.

[0105] Further, the circuit board 4 is provided with a charging interface 42, the upper shell 11 is provided with a second opening 114 at a position corresponding to the charging interface 42, the second opening 114 is provided with a plug cover 8, and the plug cover 8 seals the second opening 114 in a detachable manner.

[0106] Further, the support device comprises at least two support arms 9, the bottom shell 12 is provided with accommodating grooves 126 along the circumferential direction, each support arm 9 is rotatably connected to the bottom shell 12, and the support arm 9 rotates into or out of the accommodating groove 126.

[0107] Further, the extraction device 10 is provided, the bottom of the bottom shell 12 is provided with a connecting cavity 127, the water outlet 121 is arranged in the connecting cavity 127, the extraction device 10 comprises a capsule pressing cover 101, a base 102 and a piercing plate 103, the capsule pressing cover 101 is provided with a hollow piercing needle 1011, the piercing needle 1011 is provided with a first through hole;

[0108] The base 102 is provided with an accommodating cavity, the bottom of the base 102 is provided with a coffee liquid outlet 1021, and the coffee liquid outlet 1021 communicates with the accommodating cavity;

[0109] The piercing plate 103 is provided with a second through hole;

[0110] The piercing plate 103 is arranged in the accommodating cavity, the capsule pressing cover 101 is arranged in the accommodating cavity and arranged on the piercing plate 103, and an extraction cavity is formed between the capsule pressing cover 101 and the piercing plate 103;

[0111] The base 102 is detachably connected to the connecting cavity 127 of the machine shell 1, and the water outlet 121 communicates with the piercing needle 1011.

[0112] Further, the upper cup body 20 is provided, the bottom of the upper cup body 20 is provided with a water outlet hole 201, and the inner cavity of the upper cup body 20 is larger than the upper part of the machine shell 1;

[0113] When the upper cup body 20 is received, the upper part of the machine shell 1 is inserted into the inner cavity of the upper cup body 20;

[0114] When the upper cup body 20 is used, the upper cup body 20 is arranged on the top of the machine shell 1 and detachably connected to the machine shell 1, and the water outlet hole 201 communicates with the water inlet 111.

[0115] Further, the bottom of the upper cup body 20 is provided with a clamping cavity 202, the bottom of the clamping cavity 202 is provided with lower clamping pieces 203 along the circumferential direction, the top of the upper shell 11 is provided with upper clamping pieces 115 along the circumferential direction, the top of the upper shell 11 is arranged in the clamping cavity 202, and the upper cup body 20 or the machine shell 1 is rotated to make the upper clamping pieces 115 and the lower clamping pieces 203 abut, so that the upper cup body 20 and the machine shell 1 are connected.

[0116] Further, a dust cover 30 and a coffee cup 40 are also included, the inner cavity of the coffee cup 40 is larger than the lower part of the casing 1, when stored, the dust cover 30 is detachably arranged at the bottom of the upper cup body 20, and the lower part of the casing 1 is inserted into the inner cavity of the coffee cup 40.

[0117] Further, the water booster 2 is a water pump.

[0118] Coffee machine storage operation

[0119] Ensure that the coffee machine has completed cleaning, and the components such as the upper cup body 20, the base 102 and the dust cover 30 are kept dry.

[0120] Invert the upper cup body 20 with its inner cavity facing upwards.

[0121] Insert the upper part of the casing 1 into the inner cavity of the upper cup body 20 so that it is tightly nested.

[0122] Install the dust cover 30 at the bottom of the upper cup body 20, ensure that the water outlet hole 201 is sealed and blocked, to prevent dust or foreign matter from entering the casing 1.

[0123] Insert the lower part of the casing 1 into the inner cavity of the coffee cup 40 so that it is tightly combined.

[0124] After storage is completed, the entire coffee machine forms a compact cylindrical structure, which is convenient for carrying or storing, and can also be placed in a thermos cup of appropriate size for easy carrying.

[0125] Upper cup body 20 installation:

[0126] Remove the upper cup body 20, turn it over to the upright state, align the bottom of the upper cup body 20 with the top of the casing 1, and rotate to make the upper card 115 engage with the lower card 203, complete the detachable connection of the upper cup body 20 and the casing 1, ensure that the water outlet hole 201 of the upper cup body 20 is in communication with the water inlet 111 of the casing 1, and the upper cup body 20 acts as a water tank.

[0127] Coffee capsule placement operation:

[0128] First, remove the base 102 from the connecting cavity 127 of the casing 1, open the capsule pressure cover 101, and expose the containing cavity.

[0129] Next, place the coffee capsule into the containing cavity, then put it back into the capsule pressure cover 101, and ensure that the top surface of the capsule is aligned with the piercing needle 1011 of the capsule pressure cover 101.

[0130] Finally, reinstall the base 102 to the connecting cavity 127 of the casing 1, and ensure that it is tightly connected with the water outlet 121 of the casing 1.

[0131] Support arm 9 deployment:

[0132] At least two support arms 9 are rotated out of the ring body of the machine housing 1 and are rotated to a fully extended state.

[0133] The coffee machine is placed on an empty cup (such as the coffee cup 40 or a thermos cup, etc.), and the support arms 9 are used to stably support the coffee machine above the cup, which is used to receive the coffee liquid.

[0134] Coffee capsule extraction process:

[0135] Hot water is added to the upper cup body 20, and the function button 41 on the outside of the machine housing 1 is pressed. The water pump starts to operate, and the pressurized water enters the water pump through the water inlet 111 from the upper cup body 20. The pressurized water enters the piercing needle 1011 through the water outlet 121 at the bottom of the machine housing 1, and is injected into the coffee capsule through the first through hole of the piercing needle 1011.

[0136] The water fully extracts the coffee powder in the coffee capsule, and the extracted coffee liquid flows out from the bottom of the capsule, flows into the base 102 through the second through hole of the piercing plate 103, and is discharged into the cup through the coffee liquid outlet 1021.

[0137] After the extraction is completed, the function button 41 is pressed to turn off the water pump.

[0138] Cleaning process of the extraction device 10:

[0139] The base 102 is removed, and the waste coffee capsule is taken out of the accommodating cavity.

[0140] The capsule pressing cover 101, the piercing plate 103, and the base 102 are removed and cleaned, and finally the extraction device 10 and the machine housing 1 are reinstalled for next use.

Claims

1. A compact structure of a mini coffee machine, comprising a casing (1), a water pressurizing device (2), a battery (3), a circuit board (4), a support (5) and a water pipeline (6), characterized in that: The machine shell (1) comprises an upper shell (11) and a bottom shell (12), the bottom shell (12) is provided with a water outlet (121), the bottom shell (12) is provided with a water booster positioning port (122), a battery positioning port (123) and a circuit board positioning slot (124); The lower end of the water booster (2) is inserted into the water booster positioning port (122), so that the water booster (2) is seated in the bottom shell (12), and the outlet of the water booster (2) is communicated with the water outlet (121); The lower end of the battery (3) is inserted into the battery positioning port (123), so that the battery (3) is arranged in the bottom shell (12); The lower part of the circuit board (4) is inserted into the circuit board positioning slot (124), so that the circuit board (4) is arranged in the bottom shell (12); The bracket (5) is arranged in the bottom shell (12) to lock the water booster (2) and prevent the water booster (2) from loosening; The water pipeline (6) is seated on the bracket (5), and the lower end of the water pipeline (6) is communicated with the inlet of the water booster (2); The upper shell (11) is provided with a water inlet (111), the upper shell (11) and the bottom shell (12) are assembled, the water booster (2), the battery (3), the circuit board (4) and the water pipeline (6) enter the inner cavity of the upper shell (11), and the upper end of the water pipeline (6) is communicated with the water inlet (111); The water booster (2) and the battery (3) are respectively electrically connected with the circuit board (4), and the battery (3) supplies power to the water booster (2) and the circuit board (4).

2. The compact structure of the mini coffee machine according to claim 1, characterized in that: Further comprising a bolt, the bottom shell (12) is provided with a lower connecting column (125) at intervals, the upper shell (11) is provided with a hollow upper connecting column (112) at intervals, the bottom of the hollow upper connecting column (112) is provided with a bolt hole, the upper connecting column and the lower connecting column (125) are connected, the bolt passes through the bolt hole to lock the lower connecting column (125), so that the upper shell (11) and the bottom shell (12) are locked and connected.

3. The compact structure of the mini coffee machine according to claim 1, characterized in that: The circuit board (4) is provided with a function button (41), the upper shell (11) is provided with a first opening (113) corresponding to the position of the function button (41), the first opening (113) is provided with a flexible silica gel (7), and the flexible silica gel (7) seals the first opening (113).

4. The compact structure of the mini coffee machine according to claim 1, characterized in that: The circuit board (4) is provided with a charging interface (42), the upper shell (11) is provided with a second opening (114) corresponding to the position of the charging interface (42), the second opening (114) is provided with a plug cover (8), and the plug cover (8) seals the second opening (114) in a detachable manner.

5. The compact structure of the mini coffee machine according to claim 1, characterized in that: Further comprising a supporting device, the supporting device comprises at least two supporting arms (9), the bottom shell (12) is provided with a containing groove (126) along the circumferential direction thereof, each supporting arm (9) is rotatably connected to the bottom shell (12), and the supporting arm (9) rotates to enter or leave the containing groove (126).

6. The compact structure of the mini coffee machine according to claim 1, characterized in that: The bottom of the bottom shell (12) is provided with a connecting cavity (127), and the bottom of the bottom shell (12) is provided with the water outlet (121) in the connecting cavity (127); the extraction device (10) comprises a capsule pressing cover (101), a base (102) and a piercing plate (103), the capsule pressing cover (101) is provided with a hollow piercing needle (1011), and the piercing needle (1011) is provided with a first through hole; The base (102) is provided with a containing cavity, and the bottom of the base (102) is provided with a coffee liquid outlet (1021) in communication with the containing cavity; The piercing plate (103) is spaced apart to form a second through hole; The piercing plate (103) is arranged in the containing cavity, the capsule pressing cover (101) is arranged in the containing cavity and arranged on the piercing plate (103), and an extraction cavity is formed between the capsule pressing cover (101) and the piercing plate (103); The base (102) is detachably connected to the connecting cavity (127) of the machine shell (1), and the water outlet (121) is in communication with the piercing needle (1011).

7. The compact structure of the mini coffee machine according to claim 1, characterized in that: The upper cup body (20) is provided with a water outlet hole (201) at the bottom, and the inner cavity of the upper cup body (20) is larger than the upper part of the machine shell (1); When the machine shell (1) is stored, the upper part of the machine shell (1) is inserted into the inner cavity of the upper cup body (20); When the machine shell (1) is stored, the upper part of the machine shell (1) is inserted into the inner cavity of the upper cup body (20); 8. The compact structure of the mini coffee machine according to claim 7, characterized in that: The bottom of the upper cup body (20) is provided with a clamping cavity (202), the clamping cavity (202) is provided with a lower clamping plate (203) at the entrance in the circumferential direction, the top of the upper shell body (11) is provided with an upper clamping plate (115) in the circumferential direction, the top of the upper shell body (11) extends into the clamping cavity (202), and the upper cup body (20) or the machine shell (1) is rotated to make the upper clamping plate (115) and the lower clamping plate (203) abut, so that the upper cup body (20) and the machine shell (1) are connected.

9. The compact structure of the mini coffee machine according to claim 8, characterized in that: The dust cover (30) and the coffee cup (40) are further provided, the inner cavity of the coffee cup (40) is larger than the lower part of the machine shell (1), and the dust cover (30) is detachably arranged at the bottom of the upper cup body (20) when the machine shell (1) is stored.

10. The compact structure of the mini coffee machine according to claim 1, characterized in that: The battery (3) is arranged in the bottom shell (12) in a vertical manner, and the circuit board (4) is arranged in the bottom shell (12) in a vertical manner.