Portable coffee machine
The portable coffee machine design, with its modular layout and secure connection, solves the problems of portability and stability, achieving miniaturization and multifunctionality while ensuring grinding quality and portability.
Patent Information
- Application Number
- CN202520577613.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing portable coffee machines, by integrating grinding, heating, and brewing functions, have increased in size, resulting in reduced portability. Furthermore, components are prone to loosening and falling off, affecting the user experience and portability.
The coffee machine's grinding assembly, powder container, and heating base are separate units connected by a drive shaft and bracket. They can be assembled using electric or manual actuators, and are secured with sealing rings and locking mechanisms. It supports both manual and electric grinding, and can be assembled for use and stored for portability.
It achieves miniaturization and stabilization of portable coffee machines, supports multi-functional use, prevents components from loosening and falling off, meets the needs of multiple scenarios, is small in size and easy to carry, and ensures grinding quality.
Smart Images
Figure CN223944231U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coffee machine technical field, especially portable coffee machine. BACKGROUND
[0002] With the increasing demand of people for drinking coffee, the demand of brewing coffee expands to each part of people's daily life, such as outdoor activities, travel itinerary, etc. In order to meet the demand of people for quickly brewing coffee, the coffee machine not only needs to be miniaturized to meet the portability requirement, but also needs to be simplified to shorten the brewing process and cleaning process, and at the same time, easy maintenance and durability are also the requirements of portable coffee machine.
[0003] Nowadays, there are many types of portable coffee machines, including using pre-made powder bags, using pre-made concentrated liquid and grinding beans. However, the small coffee machine integrates grinding, heating and brewing together, which will inevitably increase its volume, resulting in poor portability. Therefore, how to divide each functional module of the coffee machine and combine them during use has become the research direction of miniaturization and multifunctionalization of the coffee machine. SUMMARY
[0004] In order to solve one or more problems existing in the prior art, the utility model provides a portable coffee machine. The utility model adopts the technical scheme that in order to solve the above problems: including: grinding assembly, the grinding assembly is provided with a grinding cup, a first support is arranged in the grinding cup, a first transmission shaft is installed in the first support, the first support limits the downward movement of the first transmission shaft, the lower end of the first transmission shaft is connected with a grinding head, a grinding ring is installed at the lower opening of the grinding cup, the grinding ring is limited by a lower support, the lower support is connected with the lower end of the grinding cup, the grinding head is located on the inner side of the grinding ring, and the grinding head cooperates with the grinding ring to grind beans;
[0005] A powder storage cup is provided, and the lower end of the powder storage cup is provided with a brewing rack, the brewing rack is provided with a filter screen, a support member is arranged on the outer side wall of the powder storage cup and is opened to the outside, and the upper end of the powder storage cup is inserted into the lower end of the grinding assembly;
[0006] The grinding assembly is connected with the opening of the cup, the powder storage cup is suspended in the opening of the cup through the support member during brewing, and the cup is provided with a corresponding cup cover;
[0007] When the electric drive is used as a power source, the upper end of the first transmission shaft is connected with the electric drive, and when the manual drive is used as a power source, the upper end of the first transmission shaft is connected with the manual drive.
[0008] In some embodiments, the manual driver is provided with a second transmission shaft, a lower end of the second transmission shaft is connected with an upper end of the first transmission shaft, and an upper end of the second transmission shaft is connected with a handle.
[0009] In some embodiments, the electric driver is provided with a motor, an output shaft of the motor is connected with the upper end of the first transmission shaft, and the electric driver is provided with a controller, a control panel and a first battery, the controller is electrically connected with the motor, the control panel and the first battery.
[0010] In some embodiments, the cup is further provided with a heating base provided with a second battery, a bottom of the cup is provided with a heater, and the heating base is connected with the bottom of the cup and supplies power to the heater.
[0011] Further, the bottom of the cup is provided with a temperature probe.
[0012] In some embodiments, the grinding assembly is further provided with a locking piece and a gasket, the gasket is provided with a clamping protrusion clamped with the grinding head, the gasket is penetrated into the first transmission shaft through a hole and arranged on the lower side of the grinding head, the hole of the gasket is clamped with the first transmission shaft, the locking piece is fixedly connected with the first transmission shaft, and the locking piece presses the gasket on the lower side of the grinding head.
[0013] Further, one side of the locking piece facing the gasket is provided with an anti-loosening groove, and one side of the gasket facing the locking piece is provided with an anti-loosening protrusion, the anti-loosening groove is clamped with the anti-loosening protrusion.
[0014] Further, an edge of the locking piece is provided with a positioning groove, and whether the locking piece is assembled in place is observed through the positioning groove.
[0015] In some embodiments, a sealing ring is arranged between the grinding assembly and the powder storage cup.
[0016] In some embodiments, the first transmission shaft is sleeved with a spring, and the spring is arranged between the first support and the grinding head.
[0017] The technical effects achieved by the utility model are as follows: the grinding assembly, the powder storage cup and the cup can be conveniently combined together for use, the grinding of coffee beans and the brewing of coffee powder are realized, when the components are stored, the components can be conveniently combined together, the components have the advantages of small size and easy carrying, and the requirements of various use occasions are met, the grinding of coffee beans can support manual grinding and electric grinding, the combination structure of the grinding head and the grinding ring of the grinding assembly is stable and reliable, the risk that the components are loose or even fall off can be effectively avoided, and the grinding quality is guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 This is an exploded view of the combined electric drive of this utility model;
[0019] Figure 2 This is an exploded view of the combined manual actuator of this utility model;
[0020] Figure 3 This is an exploded view of the cup, heating base, and cup lid of this utility model;
[0021] Figure 4 This is a cross-sectional view of the grinding assembly of this utility model;
[0022] Figure 5 This is a schematic diagram of the locking component and gasket of this utility model;
[0023] Figure 6 This is a cross-sectional view of the combined electric drive of this utility model;
[0024] Figure 7 This is a cross-sectional view of the combined manual drive unit of this utility model;
[0025] Figure 8 This is a cross-sectional view of the combined heating base of this utility model.
[0026] [Attached image labels]
[0027] 1. Cup 10. Heater 11. Temperature probe 2. Powder storage cup 20. Support 21. Brewing rack 22. Filter screen 3. Grinding assembly 30. Grinding cup 31. First bracket 310. First bearing 32. First drive shaft 33. Lower bracket 34. Grinding ring 35. Grinding head 36. Locking piece 360. Anti-loosening groove 361. Positioning groove 37. Gasket 370. Anti-loosening protrusion 371. Snap-fit protrusion 38. Spring 39. Sealing ring 4. Electric driver 40. Motor 401. Output shaft 41. First battery 42. Controller 43. Control panel 5. Cup lid 50. Water outlet 51. Sealing cover 6. Manual driver 60. Handle 61. Second bearing 62. Second drive shaft 7. Heating base 70. Second battery 8. Second cup 9. Strap. Detailed Implementation
[0028] To make the above-mentioned objectives, features, and advantages of this utility model more readily understood, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.
[0029] This utility model discloses a portable coffee machine, such as Figure 1 , Figure 4 , Figure 6 As shown, it includes: a grinding assembly 3, which is provided with a grinding cup 30, a first support 31 is provided inside the grinding cup 30, a first drive shaft 32 is installed inside the first support 31, a first bearing 310 that cooperates with the first drive shaft 32 is provided inside the first support 31, the first support 31 restricts the first drive shaft 32 from moving downward, the lower end of the first drive shaft 32 is connected to a grinding head 35, a grinding ring 34 is installed in the lower opening of the grinding cup 30, the grinding ring 34 is limited by a lower support 33, the lower support 33 is connected to the lower end of the grinding cup 30, the grinding head 35 is located inside the grinding ring 34, the grinding head 35 cooperates with the grinding ring 34 to grind beans, and the grinding ring 34 restricts the grinding head 35 from moving upward;
[0030] Powder storage cup 2, such as Figure 1 , Figure 6 , Figure 7 As shown, the lower opening of the powder storage cup 2 is provided with a brewing rack 21, the brewing rack 21 is provided with a filter screen 22, the outer side wall of the powder storage cup 2 is provided with a support member 20 that can be rotated and opened in the outward direction, and the upper opening of the powder storage cup 2 is inserted into the lower end of the grinding assembly 3.
[0031] The cup 1 used is a vacuum cup. The grinding component 3 is connected to the opening of the cup 1. During brewing, the powder storage cup 2 is suspended above the opening of the cup 1 by the support member 20. The cup 1 is provided with a corresponding cup lid 5.
[0032] Combination Figure 1 , Figure 2 As shown, when the electric drive 4 is used as the power source, the upper end of the first drive shaft 32 is connected to the electric drive 4, and when the manual drive 6 is used as the power source, the upper end of the first drive shaft 32 is connected to the manual drive 6.
[0033] It should be noted that, as Figure 1 , Figure 6 As shown, when using the electric actuator 4 for assembly, the grinding component 3 is connected to the powder storage cup 2 (using one of the following: snap-fit, interference fit, or threaded connection). When grinding coffee beans or storing them, the grinding component 3 and the powder storage cup 2 are inserted into the cup 1, with the grinding component 3 threadedly connected to the cup 1. The electric actuator 4 is connected to the grinding component 3 (threaded connection or snap-fit via a slot). The second cup 8 is fitted onto the electric actuator 4 and threadedly connected to the opening of the grinding component 3. The cup lid 5 can be installed at the bottom of the second cup 8 for storage. Figure 6As shown, a sealing ring 39 is provided between the grinding component 3 and the powder storage cup 2, and the sealing ring 39 is installed in the annular groove formed on the outer side wall of the grinding component 3.
[0034] like Figure 3 As shown, the cup 1 can be used in conjunction with the cup lid 5 and the heating base 7 to heat coffee or boil water.
[0035] like Figure 6 As shown, the cup lid 5 is rotatably mounted with a sealing cover plate 51, which is used to open or close the water outlet 50 of the cup lid 5.
[0036] like Figure 2 , Figure 7 As shown, when using the manual drive 6 for assembly, the manual drive 6 is connected to the grinding assembly 3 (threaded connection or rotating engagement via a slot).
[0037] Specifically, in combination Figure 6 As shown, the electric drive 4 is equipped with a motor 40, the output shaft 401 of the motor 40 is connected to the upper end of the first transmission shaft 32, the electric drive 4 is equipped with a controller 42, a control panel 43 and a first battery 41, the controller 42 is electrically connected to the motor 40, the control panel 43 and the first battery 41, the control panel 43 provides grinding control functions (such as speed and time), the motor 40 of the electric drive 4 drives the first transmission shaft 32 of the grinding assembly 3 to rotate, and finally realizes grinding.
[0038] Specifically, in combination Figure 7 As shown, the manual actuator 6 is equipped with a second drive shaft 62. The lower end of the second drive shaft 62 is connected to the upper end of the first drive shaft 32, and the upper end of the second drive shaft 62 is connected to a handle 60. The handle 60 is a detachable handle. A second bearing 61 that mates with the second drive shaft 62 is installed inside the manual actuator 6. By rotating the handle 60, the first drive shaft 32 of the grinding assembly 3 is driven to rotate, ultimately achieving grinding.
[0039] Specifically, in combination Figure 3 , Figure 8 As shown, it also includes: a heating base 7, which is equipped with a second battery 70 and a control module. The control module is used for power supply control and heating control. A heater 10 is provided at the bottom of the cup 1. A temperature probe 11 is installed at the bottom of the cup 1. The heater 10 includes: a heating wire and a control module. The temperature probe 11 is electrically connected to the control module of the heater 10. The heating base 7 is connected to the bottom of the cup 1 and supplies power to the heater 10, so as to realize the function of heating coffee or boiling water.
[0040] Specifically, as shown in Figures 4-6 , the grinding assembly 3 is further provided with a locking piece 36 and a gasket 37, the gasket 37 is provided with a clamping protrusion 371 clamped with the grinding head 35, the gasket 37 is penetrated into the first transmission shaft 32 through a hole and arranged on the lower side of the grinding head 35, the hole of the gasket 37 is clamped (locked rotation) with the first transmission shaft 32, the locking piece 36 is fixedly connected (threadedly connected) with the first transmission shaft 32, and the locking piece 36 presses the gasket 37 on the lower side of the grinding head 35; One side of the locking piece 36 towards the gasket 37 is provided with an anti-loosening groove 360, and one side of the gasket 37 towards the locking piece 36 is provided with an anti-loosening protrusion 370, and the anti-loosening groove 360 is clamped with the anti-loosening protrusion 370; The edge of the locking piece 36 is provided with a positioning groove 361, and whether the locking piece 36 is assembled in place is observed through the positioning groove 361. Through the locking piece 36 and the gasket 37, it is difficult to appear loosening or even falling off when the first transmission shaft 32 drives the grinding head 35 to rotate, and the loosening of the connection caused by shaking and rolling during transportation is also avoided, ensuring the reliability of the structure. A sleeve belt 9 can be sleeved on the outer wall of the grinding assembly 3 to facilitate the user to carry.
[0041] Further, as shown in Figure 4 , Figure 6 , the first transmission shaft 32 is sleeved with a spring 38, the spring 38 is arranged between the first support 31 and the grinding head 35, the spring 38 pushes the grinding head 35 downward, if the grinding head 35 moves upward, it will collide with the grinding ring 34, avoiding the manual driver 6 or the electric driver 4 from being pulled out and driving the grinding head 35 to directly collide with the grinding ring 34, also avoiding the shaking and rolling during transportation from causing the grinding head 35 to directly collide with the grinding ring 34, realizing the protection of the grinding head 35 and the grinding ring 34.
[0042] In summary, the above grinding assembly, powder storage cup, cup and the like can be conveniently combined together for use, realizing the grinding of coffee beans and the brewing of coffee powder; when stored, each component can also be conveniently combined together, having the advantages of small volume and easy to carry, meeting the needs of various use occasions; for grinding coffee beans, manual grinding and electric grinding can be supported; for the grinding assembly, the combination structure of the grinding head and the grinding ring is stable and reliable, which can effectively avoid the risk of loosening or even falling off of the components, and ensure the grinding quality.
[0043] In the description of the utility model, it is necessary to explain that, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying 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 limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.
[0044] In the description of the utility model, it should be pointed out that, unless otherwise expressly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, but also can be detachable connection, can be mechanical connection, but also can be electrical connection, can be directly connected, but also indirectly connected through the intermediate medium, can be the communication 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.
[0045] The above-described embodiments only express one or more embodiments of the utility model, which are described in detail and in detail, but it cannot be understood as limiting the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the appended claims.
Claims
1. A portable coffee machine, characterized in that, include: A grinding assembly includes a grinding cup, a first support inside the grinding cup, a first drive shaft installed inside the first support, the lower end of the first drive shaft connected to a grinding head, a grinding ring installed in the lower opening of the grinding cup, the grinding ring being limited by a lower support connected to the lower end of the grinding cup, and the grinding head located inside the grinding ring, the grinding head cooperating with the grinding ring to grind beans; The powder storage cup has a brewing rack at its lower opening, a filter screen at the brewing rack, and a support member that can be rotated outwards on the outer side wall of the powder storage cup. The upper opening of the powder storage cup is inserted into the lower end of the grinding assembly. The grinding component is connected to the opening of the cup. During brewing, the powder storage cup is suspended above the opening of the cup by the support member. The cup is equipped with a corresponding lid. When the electric drive is used as the power source, the upper end of the first drive shaft is connected to the electric drive; when the manual drive is used as the power source, the upper end of the first drive shaft is connected to the manual drive.
2. The portable coffee machine according to claim 1, characterized in that, The manual drive is equipped with a second drive shaft, the lower end of which is connected to the upper end of the first drive shaft, and the upper end of the second drive shaft is connected to the handle.
3. The portable coffee machine according to claim 1, characterized in that, The electric drive is equipped with a motor, the output shaft of which is connected to the upper end of the first transmission shaft. The electric drive is also equipped with a controller, a control panel, and a first battery. The controller is electrically connected to the motor, the control panel, and the first battery.
4. The portable coffee machine according to claim 1, characterized in that, Also includes: A heating base is provided, which is equipped with a second battery. A heater is provided at the bottom of the cup. The heating base is connected to the bottom of the cup and supplies power to the heater.
5. The portable coffee machine according to claim 4, characterized in that, A temperature probe is installed at the bottom of the cup.
6. The portable coffee machine according to claim 1, characterized in that, The grinding assembly is further provided with a locking member and a gasket. The gasket is provided with a locking protrusion that engages with the grinding head. The gasket passes through a through hole into the first drive shaft and is located on the lower side of the grinding head. The through hole of the gasket engages with the first drive shaft. The locking member is fixedly connected to the first drive shaft and presses the gasket tightly on the lower side of the grinding head.
7. The portable coffee machine according to claim 6, characterized in that, The locking member has an anti-loosening groove on the side facing the gasket, and the gasket has an anti-loosening protrusion on the side facing the locking member. The anti-loosening groove engages with the anti-loosening protrusion.
8. The portable coffee machine according to claim 6, characterized in that, The locking component has a positioning groove along its edge, through which the locking component can be observed to determine whether it is properly assembled.
9. The portable coffee machine according to claim 1, characterized in that, A sealing ring is provided between the grinding component and the powder storage cup.
10. The portable coffee machine according to claim 1, characterized in that, The first drive shaft is fitted with a spring, which is located between the first bracket and the grinding head.