Grinding device of coffee machine
By introducing a grinding sleeve and adjusting member into the grinding device of the coffee machine, and using external force to adjust the lifting and lowering of the grinding sleeve, the problem of complex structure of the grinding device in the prior art is solved, and the precise control of the size of the coffee powder particles is achieved.
Patent Information
- Application Number
- CN202422286353.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-09-19
AI Technical Summary
The grinding device of existing coffee machines is complex in structure, and it is difficult to simply and effectively adjust the grinding gap to control the particle size of the coffee powder.
A coffee machine grinding device is designed, including a grinding core, a grinding sleeve, a adjusting member and a driving assembly. The grinding sleeve is lifted and lowered by external force driving of the adjusting member, adjusting the gap between the grinding sleeve and the grinding core, and achieving simple operation and precise control of the grinding gap.
It achieves simple structure and convenient operation, and can effectively control the particle size of coffee powder to meet user needs.
Smart Images

Figure CN223232589U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of household appliances, in particular to a grinding device for a coffee machine. Background Art
[0002] Most existing coffee grinders typically consist of an inner grinder, an outer grinder, and a drive assembly. The outer grinder and the inner grinder are positioned relative to each other, creating a specific grinding gap. The inner grinder rotates relative to the outer grinder, grinding the coffee beans between them into ground coffee. The size of the grinding gap determines the coarseness of the resulting ground coffee. Therefore, controlling the grinding gap between the two grinders is crucial. Furthermore, existing coffee grinders often have complex mechanisms for adjusting the grinding gap. Summary of the Invention
[0003] The present invention aims to solve, at least to a certain extent, one of the problems existing in the existing related technologies. To this end, the present invention proposes a grinding device for a coffee machine, which has a simple structure and is easy to operate. By controlling the size of the grinding gap, the particle size of the coffee powder can be effectively guaranteed to meet user needs.
[0004] The above purpose is achieved through the following technical solutions:
[0005] A grinding device for a coffee machine, comprising:
[0006] a cup body, wherein a grinding chamber is defined within the cup body;
[0007] a grinding core movably disposed in the grinding chamber;
[0008] A grinding sleeve, which is arranged at an external position of the grinding core and grinds coffee beans through the cooperation between the grinding sleeve and the grinding core;
[0009] an adjusting member, wherein the adjusting member is movably disposed on the outer wall of the cup body, and an inner end of the adjusting member is connected to the grinding sleeve, and the adjusting member is driven to move by an external force so that the adjusting member drives the grinding sleeve to move up and down, and the gap between the grinding sleeve and the grinding core is adjusted by the movement of the grinding sleeve;
[0010] A drive assembly is provided in the cup body, and an output end of the drive assembly is connected to the grinding core.
[0011] In some embodiments, the adjusting member is an annular structure, the adjusting member is sleeved on the outer wall of the cup body, and the inner wall of the adjusting member is connected to the grinding sleeve. The adjusting member is driven to rotate by external force so that the adjusting member drives the grinding sleeve to move up and down.
[0012] In some embodiments, an operating portion is provided on an outer side wall of the adjusting member.
[0013] In some embodiments, the operating portion is a groove structure or a protrusion structure.
[0014] In some embodiments, a connecting assembly is further included, through which the inner end of the adjusting member is connected to the outer side wall of the grinding sleeve.
[0015] In some embodiments, the connecting assembly includes a rotating sleeve and a connecting frame, wherein the rotating sleeve is mounted on the outer wall of the grinding sleeve, and one end of the connecting frame is connected to the rotating sleeve, and the other end is connected to the inner end of the adjusting member.
[0016] In some embodiments, a first thread is provided on the outer wall of the grinding sleeve, and a second thread is provided on the inner wall of the rotating sleeve. The first thread cooperates with the second thread to threadably connect the grinding sleeve to the rotating sleeve.
[0017] In some embodiments, a powder storage bin is further included. The powder storage bin is disposed in the cup body, and the upper end of the powder storage bin is communicated with the lower end of the grinding bin.
[0018] In some embodiments, a boss is provided in the powder storage bin, and the output end of the drive assembly passes through the boss and is connected to the grinding core.
[0019] In some embodiments, the drive assembly includes a drive motor and a rotating shaft, wherein the drive motor is arranged in the cup body, one end of the rotating shaft is connected to the output end of the drive motor, and the other end extends from bottom to top and is connected to the grinding core.
[0020] Compared with the prior art, the present invention has at least the following beneficial effects:
[0021] 1. The grinding device of the coffee machine of the present invention has a simple structure and is easy to operate. By controlling the size of the grinding gap, the particle size of the coffee powder is effectively guaranteed to meet the user's needs. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0023] Figure 1This is a schematic structural diagram of a coffee machine grinding device according to an embodiment of the present invention;
[0024] Figure 2 This is an exploded schematic diagram of a coffee machine grinding device according to an embodiment of the present invention;
[0025] Figure 3 It is a cross-sectional view of the coffee machine grinding device in an embodiment of the present utility model. DETAILED DESCRIPTION
[0026] To make the purpose, technical solutions, and advantages of the present invention more clear, the following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention can be arranged and designed in various different configurations.
[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without inventive effort shall fall within the scope of the technical solutions claimed for protection by the present invention.
[0028] Example:
[0029] like Figures 1 to 3 As shown, this embodiment provides a grinding device for a coffee machine, comprising:
[0030] A cup body 1, wherein a grinding chamber 2 is defined within the cup body 1;
[0031] The grinding core 3 is movably arranged in the grinding chamber 2;
[0032] The grinding sleeve 4 is mounted on the outside of the grinding core 3 and grinds the coffee beans through the cooperation between the grinding sleeve 4 and the grinding core 3;
[0033] The adjusting member 5 is movably provided on the outer wall of the cup body 1, and the inner end of the adjusting member 5 is connected to the grinding sleeve 4. The adjusting member 5 is driven by an external force to move so that the adjusting member 5 drives the grinding sleeve 4 to move up and down, and the gap between the grinding sleeve 4 and the grinding core 3 is adjusted by the movement of the grinding sleeve 4;
[0034] The driving assembly 6 is arranged in the cup body 1 , and the output end of the driving assembly 6 is connected to the grinding core 3 .
[0035] In this embodiment, a hollow cavity is defined in the cup body 1 to form a grinding chamber 2, a grinding core 3 is movably provided at the middle position of the lower end of the grinding chamber 2, and a grinding sleeve 4 is sleeved at the outer position of the grinding core 3, a driving assembly 6 is provided in the cup body 1, and the output end of the driving assembly 6 is connected to the grinding core 3 to drive the grinding core 3 to rotate, so that the coffee beans are ground by the cooperation of the grinding sleeve 4 and the grinding core 3, an adjusting member 5 is movably provided on the outer wall of the cup body 1, the inner end of the adjusting member 5 is connected to the grinding sleeve 4, the adjusting member 5 is driven to move by external force so that the adjusting member 5 drives the grinding sleeve 4 to move up and down, and the gap between the grinding sleeve 4 and the grinding core 3 is adjusted by the action of the grinding sleeve 4, the structure is simple and the operation is convenient, and the particle size of the coffee powder is effectively guaranteed to meet the user's needs by controlling the size of the grinding gap.
[0036] Furthermore, the adjusting member 5 is an annular structure, which is sleeved on the outer wall of the cup body 1, and the inner wall of the adjusting member 5 is connected to the grinding sleeve 4. The adjusting member 5 is driven to rotate by external force so that the adjusting member 5 drives the grinding sleeve 4 to move up and down.
[0037] Preferably, an operating portion is provided on the outer side wall of the adjusting member 5 .
[0038] Specifically, the operating portion is a groove structure or a protrusion structure.
[0039] Preferably, a connecting assembly 7 is further included, through which the inner end of the adjusting member 5 is connected to the outer side wall of the grinding sleeve 4 .
[0040] Furthermore, the connecting assembly 7 includes a rotating sleeve 71 and a connecting frame 72 , wherein the rotating sleeve 71 is sleeved on the outer wall of the grinding sleeve 4 , and one end of the connecting frame 72 is connected to the rotating sleeve 71 , and the other end is connected to the inner end of the adjusting member 5 .
[0041] Specifically, a first thread is provided on the outer wall of the grinding sleeve 4 , and a second thread is provided on the inner wall of the rotating sleeve 71 . The first thread and the second thread are matched and connected to threadably connect the grinding sleeve 4 to the rotating sleeve 71 .
[0042] In this embodiment, the adjusting member 5 is an annular structure. The adjusting member 5 is sleeved on the outer peripheral wall of the cup body 1, and the inner side wall of the adjusting member 5 is connected to the connecting frame 72. The connecting frame 72 is connected to the rotating sleeve 71 at one end away from the adjusting member 5. Since a first thread is provided on the outer side wall of the grinding sleeve 4 and a second thread is provided on the inner side wall of the rotating sleeve 71, the first thread and the second thread cooperate to connect the grinding sleeve 4 and the rotating sleeve 71. The user applies an external force to drive the adjusting member 5 to rotate, so that the adjusting member 5 drives the grinding sleeve 4 to rotate synchronously through the rotating sleeve 71, thereby causing the grinding sleeve 4 to achieve lifting movement, so that the gap between the grinding sleeve 4 and the grinding core 3 can be adjusted. More preferably, a plurality of grooves are provided on the outer side wall of the adjusting member 5 at intervals along the circumference direction, thereby facilitating the user's control of the rotation of the adjusting member 5.
[0043] Preferably, a powder storage bin 8 is further included. The powder storage bin 8 is arranged in the cup body 1 , and the upper end of the powder storage bin 8 is connected to the lower end of the grinding bin 2 .
[0044] Specifically, a boss 81 is provided in the powder storage bin 8 , and the output end of the driving assembly 6 passes through the boss 81 and is connected to the grinding core 3 .
[0045] In particular, the driving assembly 6 includes a driving motor 61 and a rotating shaft 62, wherein the driving motor 61 is arranged in the cup body 1, one end of the rotating shaft 62 is connected to the output end of the driving motor 61, and the other end extends from bottom to top and is connected to the grinding core 3.
[0046] In this embodiment, a powder storage bin 8 is further defined in the cup body 1. The upper end of the powder storage bin 8 is open, and a through hole is opened at the middle position of the lower end of the grinding bin 2. The lower end of the grinding bin 2 is connected to the upper end of the powder storage bin 8 through the through hole. The driving motor 61 is arranged in the cup body 1, and the lower end of the rotating shaft 62 is connected to the output end of the driving motor 61, and the upper end thereof passes through the boss 81 and is connected to the lower end of the grinding core 3, so that the driving motor 61 drives the grinding core 3 to rotate, and the coffee beans are ground by the coordinated action of the grinding sleeve 4 and the grinding core 3. The ground coffee powder enters the powder storage bin 8 through the through hole and the open end of the powder storage bin 8 in turn, so that the grinding process of the coffee beans can be completed. Then the user disassembles the grinding bin 2 from the powder storage bin 8, so that the coffee powder in the powder storage bin 8 can be poured out.
[0047] More preferably, a cutter head 31 is provided at the upper end of the grinding core 3 to improve the grinding effect of the coffee beans.
[0048] The above descriptions are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.
Claims
1. A grinding device for a coffee machine, characterized in that: include: A cup body (1), wherein a grinding chamber (2) is defined within the cup body (1); A grinding core (3), the grinding core (3) being movably disposed in the grinding chamber (2); A grinding sleeve (4), the grinding sleeve (4) being sleeved on an outer position of the grinding core (3), and grinding coffee beans through the cooperation of the grinding sleeve (4) and the grinding core (3); An adjusting member (5) is movably arranged on the outer wall of the cup body (1), and the inner end of the adjusting member (5) is connected to the grinding sleeve (4). The adjusting member (5) is driven to move by an external force so that the adjusting member (5) drives the grinding sleeve (4) to move up and down, and the gap between the grinding sleeve (4) and the grinding core (3) is adjusted by the movement of the grinding sleeve (4); A drive assembly (6) is provided in the cup body (1), and an output end of the drive assembly (6) is connected to the grinding core (3).
2. The grinding device of a coffee machine according to claim 1, characterized in that: The adjusting member (5) is an annular structure. The adjusting member (5) is sleeved on the outer peripheral wall of the cup body (1), and the inner side wall of the adjusting member (5) is connected to the grinding sleeve (4). The adjusting member (5) is driven by external force to rotate so that the adjusting member (5) drives the grinding sleeve (4) to move up and down.
3. The grinding device of a coffee machine according to claim 2, characterized in that: An operating portion is provided on the outer side wall of the adjusting member (5).
4. The grinding device of a coffee machine according to claim 3, characterized in that: The operating portion is a groove structure or a protrusion structure.
5. The grinding device of a coffee machine according to claim 1, characterized in that: It also includes a connecting assembly (7), through which the inner end of the adjusting member (5) is connected to the outer side wall of the grinding sleeve (4).
6. The grinding device of a coffee machine according to claim 5, characterized in that: The connecting assembly (7) comprises a rotating sleeve (71) and a connecting frame (72), wherein the rotating sleeve (71) is sleeved on the outer wall of the grinding sleeve (4), and one end of the connecting frame (72) is connected to the rotating sleeve (71), and the other end is connected to the inner end of the adjusting member (5).
7. The grinding device of a coffee machine according to claim 6, characterized in that: A first thread is provided on the outer side wall of the grinding sleeve (4), and a second thread is provided on the inner side wall of the rotating sleeve (71). The first thread and the second thread are matched and connected to thread the grinding sleeve (4) and the rotating sleeve (71).
8. The grinding device of a coffee machine according to claim 1, characterized in that: It also includes a powder storage bin (8), which is arranged in the cup body (1), and the upper end of the powder storage bin (8) is connected to the lower end of the grinding bin (2).
9. The grinding device of a coffee machine according to claim 8, characterized in that: A boss (81) is provided in the powder storage bin (8), and the output end of the drive assembly (6) passes through the boss (81) and is connected to the grinding core (3).
10. The grinding device of a coffee machine according to any one of claims 1 to 9, characterized in that: The driving assembly (6) comprises a driving motor (61) and a rotating shaft (62), wherein the driving motor (61) is arranged in the cup body (1), one end of the rotating shaft (62) is connected to the output end of the driving motor (61), and the other end is extended from bottom to top and then connected to the grinding core (3).