Manual grinder

Abstract

The utility model relates to a manual grinder which comprises an upper grinding mechanism, a lower grinding mechanism and a lower grinding mechanism, a positioning frame is arranged on the upper grinding mechanism, a rotating shaft is fixed on the positioning frame, and a movable grinding core is connected onto the rotating shaft; the upper grinding mechanism is connected with a lower grinding mechanism, a fixed grinding core is arranged on the lower grinding mechanism, the fixed grinding core is matched with the movable grinding core, a grinding groove is formed between the fixed grinding core and the movable grinding core, a plurality of fixed grinding cutters are arranged on the fixed grinding core in the direction facing the grinding groove, and a plurality of movable grinding cutters are arranged on the movable grinding core in the direction facing the movable grinding core. The movable grinding core is provided with a plurality of movable grinding cutters in the direction facing the grinding groove, and beans are ground into powder through the grinding groove. The lower grinding mechanism is connected with a powder cup, and ground powder falls into the powder cup to be stored. According to the manual grinder, the movable grinding core is arranged in the upper grinding mechanism, the fixed grinding core is arranged in the lower grinding mechanism, the upper grinding mechanism and the lower grinding mechanism are integrally arranged, a handle is omitted, and the manual grinder is convenient to carry and is provided with the containing cavity for containing beans.

Description

Technical Field

[0001] The present utility model application relates to the related technical field of grinding appliances, and particularly relates to a manual grinder. Background Art

[0002] In related technologies, in order to maintain the best flavor of coffee, people often grind coffee beans just before drinking coffee, and a manual coffee grinder is a commonly used tool. Existing products on the market are generally made of metal, which is heavy and not portable. Generally, they are designed with a split rocker. When carrying, the main body and the rocker need to be disassembled, and the coffee beans need to be stored separately, which is not convenient.

[0003] For example, a manual coffee grinder disclosed in CN 219183478 U includes an operation component, a housing component, a rotating shaft and a grinding component. The operation component is arranged above the housing component, the rotating shaft and the grinding component are arranged inside the housing component, the rotating shaft connects the operation component and the grinding component, and an internal support is further arranged in the housing component. The internal support is fixedly connected with the housing component, and the rotating shaft passes through the internal support and can rotate relative to the internal support. The operation component includes a handle. When carrying, the handle needs to be disassembled and reassembled during use, which is extremely troublesome. The handle needs to be installed before each use and disassembled before storage, and it is not convenient to store, and it is easy to lose the handle. After being disassembled and installed multiple times, the handle is also prone to wear and thus its service life is shortened. In addition, this manual coffee grinder has no space to store beans and needs to be stored separately, which is not convenient to carry. Summary of the Invention

[0004] To overcome the problems existing in related technologies, the present utility model application provides a manual grinder, which adopts an integrated structure of a moving grinding core, a fixed grinding core, an upper grinding mechanism and a lower grinding mechanism, cancels the handle, is convenient to carry, and has a built-in accommodating cavity for placing beans, which is convenient to carry.

[0005] The present utility model application provides a manual grinder, including: an upper grinding mechanism, on which a positioning frame is provided, a rotating shaft is fixed on the positioning frame, and a moving grinding core is connected to the rotating shaft; the upper grinding mechanism is connected to a lower grinding mechanism, on which a fixed grinding core is provided, the fixed grinding core is arranged in cooperation with the moving grinding core, a grinding groove is arranged between the fixed grinding core and the moving grinding core, a plurality of fixed grinding powder knives are arranged in the direction of the grinding groove on the fixed grinding core, a plurality of moving grinding powder knives are arranged in the direction of the grinding groove on the moving grinding core, and beans are ground into powder through the grinding groove; the lower grinding mechanism is connected to a powder cup, and the ground powder falls into the powder cup for storage.

[0006] In the above-mentioned manual grinder, the upper grinding mechanism is provided with an accommodating cavity for storing beans to be ground, and the upper part of the accommodating cavity is connected with a cover body.

[0007] In the manual grinder described above, the positioning frame is located at the bottom of the accommodating cavity, and a plurality of through holes are provided on the positioning frame, through which the beans enter the grinding groove.

[0008] In the above-mentioned manual grinder, a spring is provided between the positioning frame and the dynamic grinding core, and the spring is sleeved on the outside of the rotating shaft.

[0009] In the manual grinder described above, a fixed plate is connected to the end of the rotating shaft, and the fixed plate is located at the bottom of the dynamic grinding core and is fixedly connected to the dynamic grinding core.

[0010] In the above-mentioned manual grinder, the end of the rotating shaft is connected to an adjustment plate, the adjustment plate is located below the fixed plate, and the adjustment plate is connected to the end of the rotating shaft through an inner core adjustment nut.

[0011] In the above-mentioned manual grinder, a wear-resistant part is provided between the upper grinding mechanism and the lower grinding mechanism, and the wear-resistant part is provided with a snap-on portion; the upper grinding mechanism is provided with an extension portion, and the extension portion is provided with an annular groove, and the snap-on portion is snapped into the annular groove.

[0012] In the above manual grinder, the lower grinding mechanism is provided with a through slot, the fixed grinding core is arranged in the through slot, and the bottom opening of the through slot is provided with a stopper, which abuts against the bottom of the fixed grinding core.

[0013] In the above-mentioned manual grinder, the surface of the fixed grinding core is provided with a guide part and an annular positioning groove connected to the guide part, and the lower grinding mechanism is provided with a through groove, and the through groove is provided with a flat part matching the guide part and a limiting part matching the annular positioning groove.

[0014] In the manual grinder described above, a fixed portion is provided at the center of the positioning frame, and the rotating shaft is fixed to the fixed portion. Rotating the upper grinding mechanism thereby drives the rotating shaft to rotate, and the rotating shaft rotates the movable grinding core to rotate relative to the fixed grinding core in the grinding groove, so that the beans in the grinding groove fall into the gap between the fixed grinding core and the movable grinding core and are ground into powder, and the powder falls into the powder cup for storage.

[0015] The technical solution provided by the utility model application may include the following beneficial effects: the manual grinder adopts a movable grinding core arranged in the upper grinding mechanism and a fixed grinding core arranged in the lower grinding mechanism. The upper grinding mechanism and the lower grinding mechanism are arranged in one piece, the handle is eliminated, and it is convenient to carry, and it has its own accommodating cavity for placing beans, which is easy to carry.

[0016] It should be understood that the above general description and the following detailed description are merely exemplary and explanatory and are not intended to limit the scope of the present invention. Brief Description of the Drawings

[0017] The above and other objects, features, and advantages of the present utility model application will become more apparent by describing the exemplary embodiments of the present utility model application in more detail in conjunction with the accompanying drawings, wherein, in the exemplary embodiments of the present utility model application, the same reference numerals generally represent the same components.

[0018] Figure 1 is a schematic structural view of a manual grinder shown in an embodiment of the present utility model application;

[0019] Figure 2 is a schematic cross-sectional view of a part of the structure of a manual grinder shown in an embodiment of the present utility model application;

[0020] Figure 3 is a schematic structural view of the lower grinding mechanism of a manual grinder shown in an embodiment of the present utility model application;

[0021] Figure 4 is a schematic structural view of the fixed grinding core of a manual grinder shown in an embodiment of the present utility model application.

[0022] Reference Numerals in the Drawings:

[0023] Upper grinding mechanism 1; positioning frame 11; shaft hole 111; through hole 112; fixing part 113; accommodating cavity 12; extending part 13; annular groove 131; rotating shaft 14; spring 15; moving grinding core 16; moving grinding powder knife 161; fixing plate 17; adjusting plate 18; inner core adjusting nut 181; adjusting knob 182;

[0024] Lower grinding mechanism 2; fixed grinding core 21; fixed grinding powder knife 211; guiding part 212; annular positioning groove 213; through groove 22; stopping part 221;

[0025] Grinding groove 3;

[0026] Wear-resistant part 4; elastic buckle part 41;

[0027] Powder cup 5;

[0028] Cover body 6. Detailed Description of the Embodiments

[0029] The preferred embodiments of the present utility model application will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present utility model application are shown in the drawings, it should be understood that the present utility model application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present utility model application more thorough and complete, and to fully convey the scope of the present utility model application to those skilled in the art.

[0030] The terms used in this application for the utility model are for the purpose of describing specific embodiments only and are not intended to limit this application for the utility model. The singular forms "a", "the", and "said" used in this application for the utility model and the appended claims are also intended to include the plural forms unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0031] It should be understood that although the terms "first", "second", "third", etc. may be used in this application for the utility model to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this application for the utility model, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application for the utility model, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0032] The technical solutions of the embodiments of this application for the utility model will be described in detail below with reference to the accompanying drawings.

[0033] See Figures 1 to 4 , a manual grinder, comprising: an upper grinding mechanism 1, on which a positioning frame 11 is provided, a rotating shaft 14 is fixed on the positioning frame 11, and a moving grinding core 16 is connected to the rotating shaft 14. The upper grinding mechanism 1 is connected to a lower grinding mechanism 2, on which a fixed grinding core 21 is provided, the fixed grinding core 21 is arranged in cooperation with the moving grinding core 16, a grinding groove 3 is provided between the fixed grinding core 21 and the moving grinding core 16, a plurality of fixed grinding powder knives 211 are provided in the direction of the fixed grinding core 21 facing the grinding groove 3, and a plurality of moving grinding powder knives 161 are provided in the direction of the moving grinding core 16 facing the grinding groove 3. Beans are ground into powder by contacting the grinding groove 3, the moving grinding powder knives 161, and the fixed grinding powder knives 211. The lower grinding mechanism 2 is connected to a powder cup 5, and the ground powder falls into the powder cup 5 for storage. The positioning frame 11 is an internal positioning frame 11, and a shaft hole 111 is provided on the positioning frame 11, and the rotating shaft 14 is fixed in the shaft hole 111. The rotating shaft 14 is longitudinally arranged and is parallel to the upper grinding mechanism 1. In this embodiment, the moving grinding core 16 is frustum-shaped, and the moving grinding core 16 is slidably connected to the rotating shaft 14, and the rotating shaft 14 can drive the moving grinding core 16 to rotate. Further, the axis lines of the rotating shaft 14, the moving grinding core 16, and the fixed grinding core 21 coincide to ensure the uniformity of grinding.

[0034] This manual grinder has a moving grinding core 16 disposed in the upper grinding mechanism 1 and a fixed grinding core 21 disposed in the lower grinding mechanism 2. The upper grinding mechanism 1 and the lower grinding mechanism 2 are integrally arranged, eliminating the handle, which is convenient for carrying. And it has a built-in accommodating cavity 12 for placing beans, making it easy to carry. Moreover, the gap between the fixed grinding core 21 and the moving grinding core 16 can be adjusted, thereby adjusting the fineness of the ground powder, enabling users to adjust the fineness of the powder according to their needs. Additionally, except for the fixed grinding core 21 and the moving grinding core 16 which are metal components, other parts can be made of plastic, greatly reducing the weight of this manual grinder and facilitating carrying. For this manual grinder, adding coffee beans into the accommodating cavity 12 and rotating the upper grinding mechanism 1 and the lower grinding mechanism 2 in opposite directions can obtain coffee powder with appropriate fineness, which is simple and convenient to use. And when carrying, no accessories need to be disassembled. The coffee beans can be directly stored in the upper grinding mechanism 1, ready to be used immediately for grinding powder. It is sealed top and bottom. After use, it doesn't need to be cleaned immediately. Just cover the lid and it can be put into a bag and taken away.

[0035] In some preferred embodiments, referring to Figures 1 to 4 , the upper grinding mechanism 1 is provided with an accommodating cavity 12 for storing the beans to be ground. The upper part of the accommodating cavity 12 is connected to a cover body 6. Through the detachable cover body 6, the beans can be put into the accommodating cavity 12 for storage. Just grind as much beans as needed directly without having to find another container to hold the beans to be ground.

[0036] The upper grinding mechanism 1, the lower grinding mechanism 2, the powder cup 5, and the cover body 6 are all detachably connected, which is convenient for assembly and at the same time convenient for cleaning each component.

[0037] Furthermore, referring to Figures 1 to 4 , a positioning frame 11 is located at the bottom of the accommodating cavity 12. The positioning frame 11 is provided with a plurality of through holes 112, and the beans enter the grinding groove 3 through the through holes 112. A fixing part 113 is provided at the center of the positioning frame 11. The rotating shaft 14 is fixed on the fixing part 113. Rotating the upper grinding mechanism 1 drives the rotating shaft 14 to rotate. The rotating shaft 14 rotates the moving grinding core 16 to rotate relative to the fixed grinding core 21 in the grinding groove 3, so that the beans in the grinding groove 3 fall into the gap between the fixed grinding core 21 and the moving grinding core 16 and are ground into powder, and the powder falls into the powder cup 5 for storage. The positioning frame 11 is located at the bottom of the accommodating cavity 12, making the position of the rotating shaft 14 have a short distance. At the same time, the fixing part 113 is provided at the center of the positioning frame 11, ensuring the concentricity of the rotating shaft 14 and the uniformity of the fineness of the powder grinding.

[0038] In some alternative embodiments, referring to Figures 1 to 4, a spring 15 is provided between the positioning frame 11 and the moving grinding core 16. The spring 15 is sleeved outside the rotating shaft 14, and two ends of the spring 15 are respectively connected to the positioning frame 11 and the moving grinding core 16. The arrangement of the spring 15 prevents the moving grinding core 16 from displacing during operation, ensures the stability of the rotating shaft 14, and improves the reliability of the product. In other embodiments, not limited to using the spring 15, structures such as magnets that can push the fixed grinding core 21 to move to increase the mating stability and force feedback performance can also be adopted.

[0039] Optionally, referring to Figures 1 to 4 , a fixing plate 17 is connected to the end of the rotating shaft 14. The fixing plate 17 is located at the bottom of the moving grinding core 16 and is fixedly connected to the moving grinding core 16. When the rotating shaft 14 is rotated, the rotating shaft 14 rotates the moving grinding core 16 through the fixing plate 17, so that relative movement occurs between the moving grinding core 16 and the fixed grinding core 21.

[0040] Preferably, referring to Figures 1 to 4 , a regulating plate 18 is connected to the end of the rotating shaft 14. The regulating plate 18 is located below the fixing plate 17, and the regulating plate 18 is connected to the end of the rotating shaft 14 through an inner core adjusting nut 181. By adjusting the inner core adjusting nut 181, the gap between the fixed grinding core 21 and the moving grinding core 16 is adjusted to adjust the fineness of the powder. An adjusting knob 182 is provided on the regulating plate 18. The adjusting knob 182 is arranged below the regulating plate 18. The regulating plate 18 is fixedly connected to the moving grinding core 16. The adjusting knob 182 and the rotating shaft 14 are connected through the inner core adjusting nut 181. The adjusting knob 182 can move up and down relative to the rotating shaft 14 to adjust the size of the gap between the moving grinding core 16 and the fixed grinding core 21 to control the fineness of the powder.

[0041] Referring to Figures 1 to 4 , a wear-resistant member 4 is provided between the upper grinding mechanism 1 and the lower grinding mechanism 2. The wear-resistant member 4 is provided with a snap portion 41; the upper grinding mechanism 1 is provided with an extension portion 13, and an annular groove 131 is provided on the extension portion 13. The snap portion 41 is snapped into the annular groove 131. The wear-resistant member 4 can be made of stainless steel material, which can reduce the wear of the upper grinding mechanism 1, thereby improving the service life of the manual grinder, and has a simple structure and low cost.

[0042] Referring to Figures 1 to 4, the lower grinding mechanism 2 is provided with a through groove 22, a fixed grinding core 21 is arranged in the through groove 22, a bottom opening of the through groove 22 is provided with a stop portion 221, and the stop portion 221 abuts against the bottom of the fixed grinding core 21. Further, a guiding portion 212 and an annular positioning groove 213 connected to the guiding portion 212 are provided on the surface of the fixed grinding core 21. The lower grinding mechanism 2 is provided with a through groove 22, a flat portion (not shown) matching the guiding portion 212 is arranged in the through groove 22, and a limiting portion (not shown) matching the annular positioning groove 213 is provided. The fixed grinding core 21 is inserted into the through groove 22 through the guiding portion 212, and the bottom abuts against the stop portion 221. Then, the fixed grinding core 21 is rotated, and the limiting portion enters the annular positioning groove 213, thereby locking the fixed grinding core 21 in the through groove 22.

[0043] In this embodiment, during use, coffee beans are placed into the accommodating cavity 12. According to the grinding fineness required by an individual, the position of the adjusting plate 18 on the rotating shaft 14 is adjusted to control the distance between the moving grinding core 16 and the fixed grinding core 21 and control the gap therebetween. The upper grinding mechanism 1 is rotated, and then the rotating shaft 14 is rotated. The rotating shaft 14 drives the moving grinding core 16 to rotate, so that the moving grinding core 16 rotates relative to the fixed grinding core 21 in the grinding groove 3. The coffee beans fall from the grinding groove 3 into the gap, so that the coffee beans are ground into powder, and the powder drops into the powder cup 5.

[0044] The embodiments of the present utility model application have been described above. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technologies in the market, or to enable other ordinary skill in the art in the technical field to understand the disclosed embodiments.

Claims

1. A manual grinder, characterized in that, Comprising: An upper grinding mechanism, on which a positioning frame is provided, a rotating shaft is fixed on the positioning frame, and a moving grinding core is connected to the rotating shaft; The upper grinding mechanism is connected to a lower grinding mechanism, on which a fixed grinding core is provided, the fixed grinding core is arranged in cooperation with the moving grinding core, a grinding groove is arranged between the fixed grinding core and the moving grinding core, a plurality of fixed grinding powder knives are arranged in the direction of the grinding groove on the fixed grinding core, and a plurality of moving grinding powder knives are arranged in the direction of the grinding groove on the moving grinding core, and the beans are ground into powder through the grinding groove; The lower grinding mechanism is connected to a powder cup, and the ground powder falls into the powder cup for storage.

2. The manual grinder according to claim 1, wherein: The upper grinding mechanism is provided with a containing cavity for storing the beans to be ground, and the upper part of the containing cavity is connected with a cover body.

3. The manual grinder according to claim 2, characterized in that: The positioning frame is located at the bottom of the containing cavity, and a plurality of through holes are provided on the positioning frame, and the beans enter the grinding groove through the through holes.

4. The manual grinder according to claim 1, characterized in that: A spring is arranged between the positioning frame and the moving grinding core, and the spring is sleeved outside the rotating shaft.

5. The manual grinder according to claim 1, characterized in that: The end of the rotating shaft is connected with a fixing plate, and the fixing plate is located at the bottom of the moving grinding core and is fixedly connected with the moving grinding core.

6. The manual grinder according to claim 5, wherein: The end of the rotating shaft is connected with an adjusting plate, the adjusting plate is located below the fixing plate, and the adjusting plate is connected with the end of the rotating shaft through an inner core adjusting nut.

7. The manual grinder according to claim 1, characterized in that: A wear-resistant part is arranged between the upper grinding mechanism and the lower grinding mechanism, and the wear-resistant part is provided with a snap part; the upper grinding mechanism is provided with an extension part, and an annular groove is arranged on the extension part, and the snap part is buckled in the annular groove.

8. The manual grinder according to claim 1, wherein: The lower grinding mechanism is provided with a through groove, the fixed grinding core is arranged in the through groove, and a stopping part is arranged at the bottom opening of the through groove, and the stopping part abuts against the bottom of the fixed grinding core.

9. The manual grinder according to claim 1, wherein: The surface of the fixed grinding core is provided with a guiding part and an annular positioning groove connected with the guiding part, the lower grinding mechanism is provided with a through groove, a planar part matching with the guiding part and a limiting part matching with the annular positioning groove are arranged in the through groove.

10. The manual grinder according to claim 1, characterized in that: A fixing part is arranged at the center of the positioning frame, the rotating shaft is fixed on the fixing part, the upper grinding mechanism is rotated to drive the rotating shaft to rotate, and the rotating shaft rotates the moving grinding core to rotate relatively with the fixed grinding core in the grinding groove, so that the beans in the grinding groove fall into the gap between the fixed grinding core and the moving grinding core and are ground into powder, and the powder falls into the powder cup for storage.

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