Portable coffee bean grinding machine
By designing a portable coffee bean grinder, which utilizes a motor-driven grinding mechanism and a flip-up powder dispenser, the problem of traditional coffee bean grinders being inconvenient to carry has been solved, enabling portable fresh coffee grinding and multi-functional use.
Patent Information
- Application Number
- CN202423153676.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Traditional coffee grinders are bulky and inconvenient to carry, failing to meet people's needs for enjoying freshly ground coffee outdoors or while traveling.
A portable coffee bean grinder was designed, including a coffee grinder body and a baffle. The grinding head and grinding teeth are driven by a motor to grind the beans. The portable grinding and filtering functions are achieved by using a flip-up coffee powder cup.
It realizes a portable coffee bean grinder with a simple structure and easy operation, allowing you to enjoy freshly ground coffee outdoors or while traveling, and provides dual functions of coffee powder dispensing and filtering.
Smart Images

Figure CN223810584U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coffee bean grinder technical field, specifically to a portable coffee bean grinder. BACKGROUND
[0002] Coffee bean grinder is a kitchen appliance designed specifically for grinding coffee beans into powder or granules. This equipment plays a crucial role in the coffee-making process, especially when freshly ground coffee powder is needed for brewing, such as drip coffee, espresso, etc.
[0003] The main functions of coffee bean grinder include: Grinding coffee beans: This is the most basic function of the grinder. Through the internal blades or grinding discs, coffee beans are evenly ground to the desired coarseness. The coarseness of the grind has a significant impact on the taste of the coffee, with too coarse powder potentially resulting in a weak coffee taste, and too fine potentially making the coffee taste too bitter. Ensuring the freshness of coffee: The surface area of ground coffee beans increases when exposed to air, which can lead to oxidation and loss of flavor. Therefore, using a coffee bean grinder to grind immediately before brewing ensures the freshness of the coffee powder, thereby preserving more coffee aroma and taste. Improve coffee-making efficiency: Compared with manual grinding, electric coffee bean grinders can complete the grinding work faster, saving time and reducing physical exertion. Maintain hygiene: Using a dedicated coffee bean grinder can avoid potential hygiene issues that may arise from mixing with other kitchen tools, ensuring the purity and hygiene of the coffee powder.
[0004] However, in actual use, with the popularization of coffee culture, more and more people begin to pay attention to the taste and quality of coffee, and the fresh grinding of coffee beans is crucial to ensure the taste of coffee. However, traditional coffee bean grinders are often bulky and not portable, which cannot meet the needs of people to enjoy freshly ground coffee when they are outdoors or traveling. SUMMARY
[0005] The utility model aims at providing a portable coffee bean grinder to solve the problem that with the popularization of coffee culture, more and more people begin to pay attention to the taste and quality of coffee, and the fresh grinding of coffee beans is crucial to ensure the taste of coffee. However, traditional coffee bean grinders are often bulky and not portable, which cannot meet the needs of people to enjoy freshly ground coffee when they are outdoors or traveling.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: including coffee grinder main part and baffle;
[0007] The coffee grinder body middle part is provided with a feeding cavity, a grinding cavity is fixedly installed in the middle part of the lower end of the coffee grinder body, fixed grinding teeth are fixedly installed on the inner wall of the grinding cavity, an upper support frame and a lower support frame are fixedly installed at the upper and lower ends of the grinding cavity respectively, a grinding motor is fixedly installed on the upper end of the upper support frame, a grinding shaft column is fixedly installed on the lower end transmission shaft of the grinding motor and penetrates through the upper support frame, a grinding head is fixedly installed on the outer curved surface of the grinding shaft column, and rotating grinding teeth for grinding coffee beans in cooperation with the fixed grinding teeth are fixedly installed on the outer curved surface of the grinding head, and a connecting port is formed in the lower end of the coffee grinder body.
[0008] The upper end of the connecting port is in interference connection with an upper butt joint ring, the lower end of the upper butt joint ring is in interference connection with a lower butt joint ring, a flow-through port is formed in the middle part of the lower butt joint ring, a coffee powder outlet cup is in interference connection with the inner wall of the lower end of the flow-through port, a positioning groove is formed in the inner side end of the lower butt joint ring, and a positioning column is formed in the lower side end of the baffle.
[0009] Preferably, a power control switch and a charging port are embedded and fixedly installed on the front end of the coffee grinder body from top to bottom, and a mobile power supply is fixedly installed in the coffee grinder body.
[0010] Preferably, a dustproof cover is in interference connection with the upper end opening of the feeding cavity, and the upper end of the grinding cavity is in communication with the feeding cavity.
[0011] Preferably, the number of fixed grinding teeth is several, which are symmetrically distributed on the inner wall of the grinding cavity in sequence, and the grinding motor is electrically connected with the mobile power supply fixedly installed in the coffee grinder body through wires.
[0012] Preferably, the lower end of the grinding shaft column is rotatably connected to the middle part of the upper end of the lower support frame through a rotating shaft, and the number of rotating grinding teeth is several, which are symmetrically distributed on the outer curved surface of the grinding head in sequence.
[0013] Preferably, the upper end of the connecting port is in communication with the lower end of the grinding cavity, the coffee powder outlet cup is in the shape of a cone, and the lower end opening of the coffee powder outlet cup is in engagement with the lower end opening of the upper butt joint ring.
[0014] Preferably, the lower end of the positioning column is in engagement with the inner wall of the positioning groove.
[0015] Compared with the prior art, the coffee grinder has the advantages that:
[0016] The utility model discloses when coffee bean is put into the inside of grinding cavity, through closing dustproof cover, when dustproof cover is closed, through power control switch control opening grinding motor, when grinding motor opens, will drive grinding axle column to rotate, when grinding axle column rotates, will drive grinding head to rotate, when grinding head rotates, will drive rotating grinding tooth to rotate, when rotating grinding tooth rotates, will cooperate fixed grinding tooth and carry out the grinding operation to the coffee bean of grinding cavity inside, when rotating grinding tooth cooperates fixed grinding tooth and carries out the grinding operation to the coffee bean of grinding cavity inside, the coffee powder after grinding will be discharged outward through the flow through mouth and coffee powder cup, make the utility model discloses simple structure, easy to carry and convenient operation can satisfy people's demand of enjoying fresh grinding coffee when outdoor or travelling,
[0017] The utility model discloses still through the coffee powder cup lower end opening place turns up and carries out interference joint with the lower end of upper butt joint ring, when the coffee powder cup lower end opening place turns up and carries out interference joint with the lower end of upper butt joint ring, the lower butt joint ring will follow the coffee powder cup and turn over, when the lower butt joint ring turns over, through the interference joint of positioning column lower end and positioning groove inner wall, when the interference joint of positioning column lower end and positioning groove inner wall, the baffle blocks below the flow through mouth, but the gap between baffle outer end and flow through mouth inner wall is left simultaneously, so that through the baffle to the coffee powder cone filter paper bottom support is carried out simultaneously, does not affect the liquid flow of coffee powder cup inside when coffee bean carries out the grinding operation, coffee powder will directly fall into the coffee powder cup inside that has placed coffee powder cone filter paper through the grinding cavity, when coffee powder directly falls into the coffee powder cup inside that has placed coffee powder cone filter paper, through the hot water of coffee powder cup inside, can carry out the brewing of coffee, and the coffee liquid after brewing will flow out through the gap between baffle outer end and flow through mouth inner wall, so that the portable grinding of coffee bean is realized, and the coffee powder cup can be used as coffee powder or coffee filter, provides different use function for the user. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the whole structure schematic diagram of the utility model of a kind of portable coffee bean grinder Figure One ;
[0019] Figure 2 It is the whole structure schematic diagram of the utility model of a kind of portable coffee bean grinder Figure Two ;
[0020] Figure 3 It is the whole structure sectional view schematic diagram of the utility model of a kind of portable coffee bean grinder Figure One ;
[0021] Figure 4 It is the whole structure sectional view schematic diagram of the utility model of a kind of portable coffee bean grinder Figure Two .
[0022] In the figure: 1, coffee grinder main body; 101, power control switch; 102, charging port; 103, charging cavity; 104, dust cover; 105, grinding cavity; 106, fixed grinding teeth; 107, upper support frame; 108, lower support frame; 109, grinding motor; 110, grinding shaft column; 111, grinding head; 112, rotating grinding teeth; 113, connecting port; 2, baffle; 3, upper butt joint ring; 4, lower butt joint ring; 5, flow-through port; 6, coffee powder outlet cup; 7, positioning groove; 8, positioning column. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] Please refer to Figures 1-4 The present application provides a portable coffee bean grinder technical scheme: including coffee grinder main body 1 and baffle 2, coffee grinder main body 1 front end from top to bottom in turn inlay fixed installation has power control switch 101 and charging port 102, coffee grinder main body 1 inside fixed installation has portable power supply, so that through power control switch 101 and charging port 102 for portable power supply switch control and power charging;
[0025] The middle of the coffee grinder body 1 is provided with a feeding cavity 103, and the upper end of the feeding cavity 103 is connected with a dust cover 104 in interference fit. The lower end of the coffee grinder body 1 is fixedly provided with a grinding cavity 105, and the upper end of the grinding cavity 105 is in communication with the feeding cavity 103. The inner wall of the grinding cavity 105 is fixedly provided with fixed grinding teeth 106, and the number of the fixed grinding teeth 106 is several, which are symmetrically distributed on the inner wall of the grinding cavity 105 in sequence. The upper end of the upper support frame 107 is fixedly provided with a grinding motor 109, and the grinding motor 109 is electrically connected with a mobile power supply fixedly installed in the coffee grinder body 1 through wires, so that the mobile power supply provides working power for the grinding motor 109. The lower end of the grinding motor 109 is fixedly provided with a grinding shaft column 110 through a transmission shaft part penetrating through the upper support frame 107. The lower end of the grinding shaft column 110 is rotatably connected to the upper end of the lower support frame 108 through a rotating shaft. The outer curved surface of the grinding shaft column 110 is fixedly provided with a grinding head 111, and the outer curved surface of the grinding head 111 is fixedly provided with rotating grinding teeth 112 for grinding coffee beans in cooperation with the fixed grinding teeth 106. The number of the rotating grinding teeth 112 is several, which are symmetrically distributed on the outer curved surface of the grinding head 111 in sequence. The lower end of the coffee grinder body 1 is provided with a connecting port 113, and the upper end of the connecting port 113 is in communication with the lower end of the grinding cavity 105.
[0026] The lower end of the connecting port 113 is connected with an upper butt joint ring 3 in interference fit. The lower end of the upper butt joint ring 3 is connected with a lower butt joint ring 4 in interference fit. The middle of the lower butt joint ring 4 is provided with a flow-through port 5. The lower end of the flow-through port 5 is connected with a coffee powder outlet cup 6 in interference fit. The coffee powder outlet cup 6 is conical in shape. The lower end of the coffee powder outlet cup 6 is in engagement with the lower end of the upper butt joint ring 3, so that the lower end of the coffee powder outlet cup 6 is in interference fit with the lower end of the upper butt joint ring 3. The inner side of the lower butt joint ring 4 is provided with a positioning groove 7. The lower side of the baffle 2 is provided with a positioning column 8, and the lower end of the positioning column 8 is in interference fit with the inner wall of the positioning groove 7.
[0027] Working principle: in use, the utility model discloses a dust cover 104 is opened, when the dust cover 104 is opened, the coffee beans needed to be ground are put into the grinding cavity 105, when the coffee beans are put into the grinding cavity 105, the dust cover 104 is closed, when the dust cover 104 is closed, the grinding motor 109 is controlled to be opened through the power control switch 101, when the grinding motor 109 is opened, the grinding shaft column 110 is driven to rotate, when the grinding shaft column 110 rotates, the grinding head 111 is driven to rotate, when the grinding head 111 rotates, the rotating grinding tooth 112 is driven to rotate, when the rotating grinding tooth 112 rotates, the coffee beans in the grinding cavity 105 are ground in cooperation with the fixed grinding tooth 106, when the rotating grinding tooth 112 cooperates with the fixed grinding tooth 106 to grind the coffee beans in the grinding cavity 105, the ground coffee powder is discharged outward through the flow-through opening 5 and the coffee powder outlet cup 6, so that the utility model has simple structure, is easy to carry and convenient to operate, and can meet the demand of people to enjoy fresh ground coffee when going out or traveling.
[0028] Meanwhile, when the coffee powder outlet cup 6 is used as a coffee powder filter cup, the coffee powder conical filter paper for filtering coffee powder is put into the inner wall of the coffee powder outlet cup 6, when the coffee powder conical filter paper is put into the inner wall of the coffee powder outlet cup 6, the lower end opening of the coffee powder outlet cup 6 is turned upward and is interference-fitted with the lower end of the upper adapter ring 3, when the lower end opening of the coffee powder outlet cup 6 is turned upward and is interference-fitted with the lower end of the upper adapter ring 3, the lower adapter ring 4 is turned with the coffee powder outlet cup 6, when the lower adapter ring 4 is turned, the lower end of the positioning column 8 is interference-fitted with the inner wall of the positioning groove 7, when the lower end of the positioning column 8 is interference-fitted with the inner wall of the positioning groove 7, the baffle 2 blocks the lower part of the flow-through opening 5, but at the same time, a gap is left between the outer end of the baffle 2 and the inner wall of the flow-through opening 5, so that the coffee powder conical filter paper is supported by the baffle 2 without affecting the outflow of liquid in the coffee powder outlet cup 6, when the coffee beans are ground, the coffee powder directly falls into the coffee powder outlet cup 6 with the coffee powder conical filter paper, when the coffee powder directly falls into the coffee powder outlet cup 6 with the coffee powder conical filter paper, hot water is added into the coffee powder outlet cup 6 to brew coffee, and the brewed coffee liquid flows out through the gap between the outer end of the baffle 2 and the inner wall of the flow-through opening 5, so that the coffee beans are conveniently ground, the coffee powder outlet cup 6 can be used for coffee powder discharge or coffee filtering, and different use functions are provided for users.
[0029] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0030] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A portable coffee bean grinder characterized by: Including coffee grinder body (1) and baffle (2); The coffee grinder body (1) is provided with a feeding cavity (103) in the middle, a grinding cavity (105) is fixedly installed in the middle of the lower end of the coffee grinder body (1), a plurality of fixed grinding teeth (106) are fixedly installed on the inner wall of the grinding cavity (105), an upper support frame (107) and a lower support frame (108) are fixedly installed at the upper and lower openings of the grinding cavity (105) respectively, a grinding motor (109) is fixedly installed on the upper end of the upper support frame (107), a grinding shaft column (110) is fixedly installed on the lower end transmission shaft of the grinding motor (109) and penetrates through the upper support frame (107), a grinding head (111) is fixedly installed on the outer curved surface of the grinding shaft column (110), a plurality of rotating grinding teeth (112) for grinding coffee beans in cooperation with the fixed grinding teeth (106) are fixedly installed on the outer curved surface of the grinding head (111), and a connecting port (113) is formed in the lower end of the coffee grinder body (1). The lower end of the connecting port (113) is connected with an upper butt joint ring (3) in an interference fit, the lower end of the upper butt joint ring (3) is connected with a lower butt joint ring (4) in an interference fit, a flow-through port (5) is formed in the middle of the lower butt joint ring (4), a coffee powder outlet cup (6) is connected with the inner wall of the lower end of the flow-through port (5) in an interference fit, and a positioning groove (7) is formed in the inner side end of the lower butt joint ring (4).
2. A portable coffee bean grinder according to claim 1, wherein: The front end of the coffee grinder body (1) is fixedly installed with a power control switch (101) and a charging port (102) from top to bottom in sequence, and a mobile power supply is fixedly installed in the coffee grinder body (1).
3. A portable coffee bean grinder according to claim 2, wherein: The upper end opening of the feeding cavity (103) is connected with a dust cover (104) in an interference fit, and the upper end of the grinding cavity (105) is in communication with the feeding cavity (103).
4. A portable coffee bean grinder according to claim 3, wherein: The number of fixed grinding teeth (106) is several, which are symmetrically distributed on the inner wall of the grinding cavity (105) in sequence, and the grinding motor (109) is electrically connected with the mobile power supply fixedly installed in the coffee grinder body (1) through wires.
5. A portable coffee bean grinder according to claim 4, wherein: The lower end of the grinding shaft column (110) is rotatably connected to the middle of the upper end of the lower support frame (108) through a rotating shaft, and the number of rotating grinding teeth (112) is several, which are symmetrically distributed on the outer curved surface of the grinding head (111) in sequence.
6. A portable coffee bean grinder as claimed in claim 5, wherein: The upper end of the connecting port (113) is in communication with the lower end of the grinding cavity (105), the coffee powder outlet cup (6) is in the shape of a cone, and the lower end opening of the coffee powder outlet cup (6) is in engagement with the lower end opening of the upper butt joint ring (3).
7. A portable coffee bean grinder as claimed in claim 6, wherein: The lower end of the positioning column (8) is in engagement with the inner wall of the positioning groove (7).