Coffee bean grinder capable of removing static electricity through plasma and preventing powder flying

Abstract

The utility model discloses a plasma static electricity removing and powder flying preventing type coffee bean grinder which comprises a main shell provided with a base, and a control panel, a driving assembly and a bean grinding bin are arranged in the main shell. A partition plate is arranged in the bean grinding bin and divides an inner cavity of the bean grinding bin into a first part and a second part. A millstone assembly is arranged in the first part, and the controlled end of the millstone assembly penetrates through the partition plate and is connected with an output shaft of the driving assembly in the second part. One end of the powder outlet pipe is communicated with the first part, and the other end of the powder outlet pipe extends out of the main shell; the second part is further provided with a control panel electrically connected with the ion generator, a working probe of the ion generator extends into the powder outlet pipe, the bean grinding bin is reasonably separated through the partition plate, the grinding disc assembly and the ion generator are spatially arranged through the first partition and the second partition respectively, and therefore the two parts cannot affect each other, and the grinding efficiency is improved. And the transverse volume of the bean grinder is optimized correspondingly on the two sides of the partition plate.

Description

Technical Field

[0001] This utility model relates to the field of coffee grinders, and more particularly to a plasma-based coffee grinder that removes static electricity and prevents flying powder. Background Technology

[0002] With changes in people's lifestyles and improvements in their quality of life, more and more people are accepting and enjoying coffee as a beverage. As a result, various coffee grinders for home use have begun to appear in people's lives. In existing technology, coffee grinders generally include a bean inlet, a grinding chamber, and a base connected together. The powder outlet pipe, which connects the grinding chamber to the outside for user dispensing of coffee powder, is prone to powder jamming. Based on this problem, Chinese utility model patent application number CN202222687286.8 discloses an improved coffee machine structure. This structure includes a first chamber with blades for grinding beans, a powder outlet channel connecting to the first chamber, and a plasma generator. The positive and negative electrodes of the plasma generator are arranged side-by-side on one side of the first chamber, extending into and out of the powder outlet. Inside the channel, the powder outlet channel is equipped with a powder-blocking device. This device prevents coffee powder entering the outlet channel from the first chamber from directly approaching the positive and negative electrodes. During operation, the coffee powder enters the outlet channel under gravity. The powder-blocking device effectively prevents the coffee powder from directly contacting the positive and negative electrodes. The positive and negative electrodes can fully generate positive and negative ions to eliminate the static electricity carried by the coffee powder, thereby reducing the amount of coffee powder adhering to the tube wall. However, in actual use, it has been found that in the above structure, the plasma generator is located on one side of the first chamber, which greatly increases the radial dimension of the coffee grinder, making it inconvenient for users to place and use. Therefore, there is an urgent need for a coffee grinder with a more reasonable structure that improves powder removal performance while increasing the rationality of the spatial arrangement of components, thereby solving the shortcomings of the existing technology. Utility Model Content

[0003] In view of the technical problems in existing coffee bean grinders where the ion generator is located on one side of the grinding disc, resulting in a large volume and poor cleaning performance of the elastic powder structure, this utility model provides a solution.

[0004] To achieve the above objectives, this utility model provides a plasma-based anti-static and anti-powder-flying coffee grinder, comprising a main shell with a base, and an internal control board, a drive assembly, and a grinding chamber; the grinding chamber is divided into a first part and a second part by a partition; the first part contains a grinding disc assembly, the controlled end of which passes through the partition and is connected to the output shaft of the drive assembly in the second part; it also includes a powder outlet pipe, one end of which is connected to the first part and the other end protrudes from the outer wall of the main shell;

[0005] The second part also includes a control board electrically connected to an ion generator, and the working probe of the ion generator extends into the powder outlet tube.

[0006] As an improvement of this application, the powder outlet pipe is composed of a first pipe and a second pipe. One end of the first pipe is connected to the first part, and the other end is located on the outer wall of the main shell and is in contact with the second pipe. The second pipe is fitted with a recovery structure, the outer edge of the recovery structure is fixedly connected to the outer wall of the main shell, and the second pipe reciprocates to impact the first pipe.

[0007] As an improvement of this application, the end of the first pipe that is far from the second pipe is provided with an assembly slope. The assembly slope is provided with an elongated opening. Part of the opening area formed by the elongated opening is covered by the partition and the ion generator, and the other part is connected to the first part.

[0008] As an improvement of this application, the two opposite sides of the second pipe are further provided with fixed protrusions; the recovery structure includes elastic members matching the number of fixed protrusions, one end of the elastic members is connected to the fixed protrusions, and the other end is connected to the end face of the recovery structure.

[0009] As an improvement of this application, the elastic element is a spring, and the end face of the return structure is provided with a spring groove for accommodating the spring.

[0010] As an improvement of this application, the end of the first pipe away from the grinding chamber has a portion of its volume to be movably fitted onto the second pipe.

[0011] As an improvement of this application, the main shell is provided with a receiving notch, and the recovery structure is located within the receiving notch so as to be flush with the surface formed by the main shell.

[0012] As an improvement of this application, the inner walls on both sides of the receiving notch are further provided with guide protrusions, and the two sides of the recovery structure are provided with guide grooves that are adapted to the guide protrusions.

[0013] As an improvement of this application, the bottom surface of the receiving notch is further provided with at least one magnetic suction unit, and the recovery structure is provided with a magnetic suction groove adapted to the magnetic suction unit.

[0014] As an improvement to this application, the grinding disc assembly is one of a conical grinding disc or a flat grinding disc.

[0015] The beneficial effects of this utility model are as follows: Compared with the prior art, this utility model provides a plasma-based anti-static and anti-powder coffee grinder, comprising a main shell with a base, inside which are a control board, a drive assembly, and a grinding chamber. The grinding chamber grinds coffee beans, thereby changing the size of the coffee beans to form powder, which is convenient for subsequent brewing and extraction by the user. Furthermore, the grinding chamber is provided with a partition, which divides the inner cavity of the grinding chamber into a first part and a second part. The first part contains a grinding disc assembly, the controlled end of which passes through the partition and is connected to the output shaft of the drive assembly in the second part. It also includes a powder outlet pipe, one end of which is connected to the first part and the other end protrudes outside the main shell. The second part is also provided with a control board electrically connected to an ion generator. The working probe of the ion generator extends into the powder outlet pipe. The grinding chamber is reasonably divided by the partition. The first and second partitions respectively arrange the grinding disc assembly and the ion generator spatially, so that the two components do not affect each other, and are located on both sides of the partition, thus optimizing the lateral volume of the coffee grinder. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present utility model;

[0017] Figure 2 This is an exploded view of the present invention;

[0018] Figure 3 This is a schematic diagram showing the interaction between the drive motor and the grinding chamber of this utility model.

[0019] Figure 4 This is a schematic diagram of the ion generator and the first pipe of this utility model.

[0020] Figure 5 This is a schematic diagram of the cooperation between the recovery structure and the second pipe of this utility model;

[0021] Figure 6 This is a schematic diagram of the receiving notch of this utility model;

[0022] Figure 7 For the present utility model Figure 6 A magnified view of a portion of region A.

[0023] The symbols for the main components are explained below:

[0024] 1. Base; 2. Main shell; 21. Accommodation notch; 22. Guide protrusion; 23. Magnetic suction unit;

[0025] 3. Grinding chamber; 31. Baffle; 32. Ion generator; 4. Main control board; 5. Drive motor;

[0026] 6. First pipe; 7. Second pipe; 71. Fixed protrusion; 8. Rebound structure; 81. Elastic element;

[0027] 82. Spring groove; 83. Guide groove. Detailed Implementation

[0028] To more clearly illustrate this utility model, the following description, in conjunction with the accompanying drawings, will provide a further picture.

[0029] In the following description, specific examples are given to provide a more in-depth understanding of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of them. It should be understood that the specific embodiments described are only used to explain the present invention and are not intended to limit the present invention.

[0030] It should be understood that when the terms “comprising” and / or “including” are used in this specification, they indicate the presence of the said feature, integral, step, operation, element, or component, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, or combinations thereof.

[0031] Chinese utility model patent application number CN202222687286.8 discloses an improved structure for a coffee machine. The solution includes a first chamber with blades for grinding coffee beans, a powder outlet channel connecting to the first chamber, and a plasma generator. The positive and negative electrodes of the plasma generator are arranged side-by-side on one side of the first chamber, extending into the powder outlet channel. The powder outlet channel is equipped with a powder-blocking device that prevents coffee powder entering the powder outlet channel from the first chamber from directly approaching the positive and negative electrodes. During operation, the coffee powder... Under the action of force, the coffee powder enters the powder outlet channel. The powder blocking device effectively prevents the coffee powder from directly contacting the positive and negative electrodes. The positive and negative electrodes can fully generate positive and negative ions to eliminate the static electricity carried by the coffee powder, thereby reducing the amount of coffee powder adhering to the tube wall. However, in actual use, it was found that in the above structure, the plasma generator is located on one side of the first chamber, which greatly increases the radial dimension of the coffee grinder, making it inconvenient for users to place and use. In addition, the tube structure of the discharge pipe is relatively simple and cannot work with the ion generator to remove the coffee powder adsorbed on the tube wall.

[0032] To address the aforementioned technical problems, this application provides a plasma-based anti-static, anti-powder-flying coffee grinder. Please refer to the attached document. Figure 1 To be continued Figure 7The system includes a main shell 2 with a base 1. Inside the main shell 1 are a control board 4, a drive assembly 5, and a grinding chamber 3. The grinding chamber 3 grinds coffee beans, changing their diameter to form powder for easy brewing and extraction. A storage chamber can be placed on top of the main shell to store the beans; this is a standard technique and will not be elaborated upon. Furthermore, the grinding chamber 3 has a partition 31 that divides its interior into a first part and a second part. The first part contains a grinding disc assembly, the controlled end of which passes through the partition and connects to the output shaft of the drive assembly in the second part. The system also includes a powder outlet tube, one end of which is connected to the first part, and the other end protrudes outside the main housing 2. The second part is also equipped with a control board 4 electrically connected to the ion generator 32. The working probe of the ion generator 32 extends into the powder outlet tube. When the powder is heated, the ion generator 32 emits negative ions, thereby neutralizing the static electricity in the coffee powder, improving the static environment inside the powder outlet tube, and greatly reducing the occurrence of adsorption. The grinding chamber is reasonably divided by the partition 31. The first partition and the second partition are respectively arranged to accommodate the grinding disc assembly and the ion generator 32, so that the two components will not affect each other, and are located on both sides of the partition 31 to optimize the lateral volume of the grinder.

[0033] To facilitate better cleaning and maintenance of the powder removal pipe, even with an ion generator, factors such as ambient temperature and humidity, and the degree of dehydration during coffee bean roasting can still make cleaning difficult. Therefore, in this embodiment, the powder removal pipe consists of a first pipe 6 and a second pipe 7. The end of the first pipe 6 is located on the outer wall of the main shell. The second pipe 7 has a return structure 8 sleeved on its column. The outer edge of the return structure 8 is fixedly connected to the outer wall of the main shell, and the second pipe 7 reciprocates to impact the first pipe 6. The first pipe 6 and the second pipe 7 are separated, and the return mechanism causes the first pipe 6 to reciprocate and impact the second pipe 7. When the first... When the second pipe 7 impacts the first pipe 6, both components vibrate, causing coffee powder to fall off the pipe wall. This application directly achieves the impact of the second pipe 7 on the first pipe 6 through the recovery structure 8, which can obtain a longer energy storage stroke in the same space and achieve better cleaning power. The ion generator 32, the first pipe 6, the second pipe 7 and the recovery structure 8 are used together to achieve a better powder removal effect. Specifically, the negative charge generated by the ion generator can keep the pipe walls of the first pipe 6 and the second pipe 7 in a non-static state. In this state, the impact of the first pipe 6 and the second pipe 7 can make the coffee powder fall off better and increase the cleanliness.

[0034] In this embodiment, an assembly ramp 61 is provided at the end of the first pipe 6 that is far from the second pipe 7. The assembly ramp 61 has an elongated opening. Part of the opening area formed by the elongated opening is covered by the partition and the ion generator, while the other part is connected to the first part. By using the assembly ramp 61 to make the first pipe 6 installed at a preset angle on the side wall of the grinding chamber, the coffee powder can be better guided out by gravity. The elongated opening serves as the inlet for coffee powder, while the partition and the ion generator act as the sealing part of the elongated opening. This design allows for a higher slope of the assembly ramp, which can further reduce the overall size of the coffee grinder.

[0035] In the specific assembly of the second pipe 7 and the return structure 8, the return structure 8 can be equipped with springs, torsion springs, or other structures to realize the reciprocating motion of the second pipe 7. The return structure 8 and the main shell 2 can be assembled by plugging, snapping, or screws. In this embodiment, the pipe columns on opposite sides of the second pipe 7 are also provided with fixing protrusions 71. The return structure 8 includes elastic elements 81 matching the number of fixing protrusions 71. One end of the elastic element 81 is connected to the fixing protrusion 71, and the other end is connected to the end face of the return structure 8. The second pipe 7 realizes reciprocating motion with the return structure 8 through the fixing protrusions 71 and the elastic elements 81. The structure 8 is connected in a way that makes the structure simpler and more efficient, and the movement of the second pipe 7 is smoother and less prone to jamming. In a further design, the elastic element 81 is a spring, and the end face of the return structure 8 is provided with a spring groove 82 for fixing and accommodating the spring. The spring groove 82 can accommodate the elastic element 81 very well. It is worth noting that the maximum energy storage stroke of the second channel is equal to the length of the spring groove 82, and the spring groove 82 also serves as a guide sliding groove for the fixed protrusion 71. This design structure is reasonable and can increase the energy storage stroke of the spring within a limited volume to obtain a greater impact force.

[0036] In actual use, it was found that during the collision of the first pipe 6 and the second pipe 7, coffee powder tends to spill out of the pipes when they separate. In a better solution, the end of the first pipe 6 away from the grinding chamber 3 has a portion of its volume that can be movably fitted onto the end ring of the second pipe 7. The inner diameter of the ring is the same as the inner diameter of the second pipe 7, while the outer diameter is smaller than the outer diameter of the second pipe 7, thus forming a step surface that can be impacted, reducing coffee powder spillage while ensuring that the impact action is successfully generated.

[0037] In this embodiment, the main shell 2 is provided with a receiving notch 21, and the recovery structure 8 is located inside the receiving notch 21 so as to be flush with the surface formed by the main shell. The flushness of the recovery structure 8 with the surface of the main shell can significantly increase the harmony of the product appearance without compromising aesthetics.

[0038] To reduce the assembly difficulty of the recovery structure 8 on the receiving notch 21, in this embodiment, the inner walls on both sides of the receiving notch 21 are also provided with guide protrusions 22, and the two sides of the recovery structure 8 are provided with guide grooves 83 that are adapted to the guide protrusions 22. The guide protrusions 22 and guide grooves 83 cooperate with each other to quickly help technicians and users install the recovery structure 8 onto the receiving notch 21. In a preferred embodiment, the bottom surface of the receiving notch 21 is also provided with at least one magnetic suction unit 23, and the recovery structure 8 is provided with a magnetic suction groove that is adapted to the magnetic suction unit 23. It is easy to understand that a stable suction assembly is achieved through the magnetic suction groove and the magnetic suction unit 23, and a faster installation is achieved by combining the guide protrusions 22 and the guide grooves 83.

[0039] In this embodiment, the grinding disc assembly is either a conical grinding disc or a flat grinding disc. It is worth understanding that, due to the wide variety of coffee beans, different types of coffee beans require different degrees of coarseness to bring out their flavor advantages. Therefore, conical grinding discs and flat grinding discs each have their own advantages in the grinding process and can be configured according to different user groups.

[0040] The advantages of this utility model are:

[0041] The grinding chamber is rationally divided by partitions. The first and second partitions are used to spatially arrange the grinding disc assembly and the ion generator, respectively, so that the two components will not affect each other and are located on opposite sides of the partitions to optimize the horizontal volume of the grinder.

[0042] The above-disclosed embodiments are only a few specific examples of this utility model. However, this utility model is not limited thereto. Any variations that can be conceived by those skilled in the art should fall within the protection scope of this utility model.

Claims

1. A coffee bean mill of the type in which electrostatic charge is removed by plasma, characterized in that, The application relates to a coffee grinder, which comprises a main shell provided with a base, an internal control board, a driving assembly and a grinding chamber; a partition is arranged in the grinding chamber, the partition divides the inner cavity of the grinding chamber into a first part and a second part; a grinding disc assembly is arranged in the first part, the controlled end of the grinding disc assembly penetrates through the partition and is connected with the output shaft of the driving assembly in the second part; and a powder outlet pipe is arranged, one end of the powder outlet pipe is communicated with the first part, and the other end of the powder outlet pipe is arranged outside the outer wall of the main shell. The second part is further provided with an ion generator electrically connected with the control board, and the working probe of the ion generator is arranged in the powder outlet pipe.

2. The coffee bean mill of claim 1, wherein The powder outlet pipe is composed of a first pipe and a second pipe, one end of the first pipe is communicated with the first part, the other end of the first pipe is arranged on the outer wall of the main shell and is attached to the second pipe; a restoring structure is arranged on the pipe column of the second pipe, the outer edge of the restoring structure is fixedly connected with the outer wall of the main shell, and the second pipe realizes reciprocating movement to impact the first pipe.

3. The coffee bean mill of claim 2, wherein the ion plasma is generated by a high voltage power supply and a high frequency generator. The end of the first pipe, which is far away from the second pipe, is provided with an assembly inclined surface, the assembly inclined surface is provided with a long strip opening, a part of the opening area formed by the long strip opening is covered by the partition and the ion generator, and the other part is communicated with the first part.

4. The coffee bean mill of claim 3 wherein, The opposite two sides of the pipe column of the second pipe are further provided with fixing protrusions; the restoring structure comprises elastic members matched with the number of the fixing protrusions, one end of the elastic member is connected with the fixing protrusion, and the other end of the elastic member is connected with the end surface of the restoring structure.

5. The coffee bean mill of claim 4 wherein, The elastic member is a spring, and the end surface of the restoring structure is provided with a spring groove for accommodating the spring.

6. The coffee bean mill of claim 2 wherein, The end of the first pipe, which is far away from the grinding chamber, has a part of volume to movably sleeve the second pipe.

7. The coffee bean mill of claim 2 wherein, The main shell is provided with an accommodating notch, and the restoring structure is arranged in the accommodating notch to be flush with the surface formed by the main shell.

8. The coffee bean mill of claim 7 wherein, The two side inner walls of the accommodating notch are further provided with guide mounting protrusions, and the two sides of the restoring structure are provided with guide mounting grooves matched with the guide mounting protrusions.

9. The coffee bean mill of claim 7 wherein, The bottom surface of the accommodating notch is further provided with at least one magnetic attraction unit, and the restoring structure is provided with a magnetic attraction groove matched with the magnetic attraction unit.

10. The coffee mill according to any of claims 1-9, characterized in that it comprises a plasma device (10) for removing electrostatic charges from the coffee beans. The grinding disc assembly is one of a conical grinding disc and a flat grinding disc.

Images