Manual bean grinder

Abstract

The utility model belongs to the field of bean grinders, particularly relates to a manual bean grinder, and provides the following scheme aiming at the problems that most of the existing manual bean grinders only have a single grinding effect when grinding coffee beans, the grinding effect is poor, the bean grinding thickness is inconvenient to control, the disassembly is relatively troublesome and the cleaning is inconvenient. The device comprises a base, a secondary crushing roller and a powder box, a shell is arranged on the upper surface of the base, a crushing box is installed in the shell, and a first crushing roller and a second crushing roller are rotationally connected to the interior of the crushing box respectively. The coffee beans crushed for the first time can fall into the secondary crushing roller to be crushed for the second time, the coffee beans can be crushed more evenly, the crushing box is composed of a plurality of assembling plates, the assembling plates are fixedly connected through a plurality of screws, and maintenance and cleaning are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee bean grinders, in particular to a manual coffee bean grinder. Background Art

[0002] A manual bean grinder is a manual tool used to grind coffee beans. The user manually operates (such as rotating a handle) to drive the internal grinding disc or cone to grind the coffee beans into powder. Since there is no motor running, the manual bean grinder does not produce noise when working and is suitable for use in occasions that require quietness. Without a complex motor structure, manual bean grinders are usually more durable and relatively simple to maintain. Without electricity requirements, manual bean grinders are lighter and easier to carry.

[0003] Most of the existing manual coffee bean grinders can only grind coffee beans once, which results in poor grinding effect, inconvenience in controlling the coarseness of the ground beans, and is troublesome to disassemble and clean. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art manual bean grinders that most of them only have a single grinding effect on coffee beans, the grinding effect is not good, it is not convenient to control the coarseness of the ground beans, it is troublesome to disassemble and it is not convenient to clean, and a manual bean grinder is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A manual coffee grinder, comprising a base, a secondary crushing roller and a powder box, wherein the upper surface of the base is provided with a shell, a crushing box is installed inside the shell, a first crushing roller and a second crushing roller are rotatably connected inside the crushing box, the first crushing roller and the second crushing roller are fixedly connected to the same end with a transmission gear, the two transmission gears are meshed, and the first crushing roller and the second crushing roller are used for primary crushing;

[0007] The secondary crushing roller is rotatably connected to the inside of the crushing box and is located below the first crushing roller. An adjusting plate is rotatably connected to the inside of the crushing box. A screw is threadedly connected to one side of the crushing box. The screw is in conflict with the adjusting plate. The secondary crushing roller is used for secondary crushing.

[0008] The powder box is installed inside the shell, and the powder box is located below the grinding box. The powder box is used to receive the ground coffee beans.

[0009] In a possible design, one end of the second crushing roller is fixedly connected to a large gear, one end of the secondary crushing roller is fixedly connected to a small gear, the large gear and the small gear are meshed, one end of the large gear is equipped with a rocker arm, and the rocker arm runs through the outer shell.

[0010] In a possible design, the crushing box is composed of a plurality of assembly plates, and the plurality of assembly plates are fixedly connected by a plurality of screws.

[0011] In a possible design, a top cover is hingedly connected to the upper surface of the housing.

[0012] In a possible design, one end of the screw is fixedly connected to a rotating block, one side of the housing is provided with a scale area, and the circumference of the rotating block is provided with an indicating protrusion.

[0013] In a possible design, protrusions are fixedly connected to the base on all four sides, matching grooves are provided on the inner walls of the shell on all four sides, and the shell and the base are clamped to each other.

[0014] In the present application, when the user needs to grind coffee beans, first open the top cover and add an appropriate amount of coffee beans to the grinding box. Then, the user shakes the rocker arm to drive the first grinding roller and the second grinding roller for primary grinding through the meshing of the large gear and the small gear. The coffee beans after the primary grinding will fall into the secondary grinding roller for secondary grinding. The user can adjust the position of the adjustment plate by turning the rotating block to control the degree of grinding of the coffee beans. Finally, the ground coffee beans will fall into the powder box, and the user can take it out and use it at any time.

[0015] During the entire working process, users can adjust the grinding degree at any time according to their personal taste and needs to get a satisfactory coffee taste. At the same time, the manual grinder is simple and convenient to operate, does not require an external power supply, and is suitable for use in various occasions.

[0016] Beneficial effects:

[0017] In the utility model, the manual coffee bean grinder, through the setting of the secondary crushing roller, drives the first crushing roller and the second crushing roller to perform primary crushing through the meshing of the large gear and the small gear, and the coffee beans after the primary crushing will fall into the secondary crushing roller for secondary crushing, so as to crush the coffee beans more evenly;

[0018] In the utility model, the manual coffee bean grinder is provided with a crushing box, which is composed of a plurality of assembly plates, and the assembly plates are fixedly connected by a plurality of screws, so that maintenance and cleaning are convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of a manual coffee grinder proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of a manual coffee grinder proposed by the utility model;

[0021] Figure 3This is a schematic diagram of a side sectional structure of a manual coffee grinder proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the side view of the grinding box of a manual coffee bean grinder proposed by the utility model.

[0023] In the figure: 1. outer shell; 2. base; 3. top cover; 4. powder box; 5. rocker arm; 6. rotating block; 7. scale area; 8. crushing box; 9. transmission gear; 10. bump; 11. screw; 12. first crushing roller; 13. second crushing roller; 14. adjustment plate; 15. screw; 16. secondary crushing roller; 17. large gear; 18. small gear. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example 1

[0026] Reference Figure 1-Figure 4 A manual bean grinder, which is used in the field of coffee appliances, includes: a base 2, a shell 1 is provided on the upper surface of the base 2, a crushing box 8 is installed inside the shell 1, the crushing box 8 is composed of a plurality of assembly plates, and these assembly plates are fixedly connected by a plurality of screws 11 for easy maintenance and cleaning, and a first crushing roller 12 and a second crushing roller 13 are provided inside the crushing box 8, which are meshed and rotated through a transmission gear 9 for the initial crushing of coffee beans.

[0027] After the initial crushing, the coffee beans will fall into the secondary crushing roller 16 for secondary crushing. The secondary crushing roller 16 rotates through the engagement of the small gear 18 and the large gear 17. A rocker arm 5 is installed at one end of the large gear 17. The user can drive the rotation of the secondary crushing roller 16 by shaking the rocker arm 5.

[0028] Furthermore, the rocker arm 5 is installed on the screw rod 15 by splicing. When the housing 1 needs to be disassembled, the rocker arm 5 is disassembled first to facilitate the removal of the housing 1.

[0029] The large gear 17 drives the small gear 18 to rotate, so that the rotation speed of the small gear 8 is faster, and the coffee beans that have been initially crushed can be better crushed again.

[0030] Example 2

[0031] refer to Figure 1-Figure 4 , improved on the basis of Example 1:

[0032] In addition, an adjustment plate 14 is provided inside the grinding box 8. The user can adjust the position of the adjustment plate 14 by rotating the screw 15 to control the degree of grinding of the coffee beans. A rotating block 6 is provided at one end of the screw 15, and a scale area 7 is provided on one side of the outer shell 1. The indicator protrusion on the rotating block 6 can indicate the current adjustment position, which is convenient for the user to grasp the degree of grinding.

[0033] Finally, a powder box 4 is provided inside the shell 1. The powder box 4 is located below the grinding box 8 and is used to receive the ground coffee beans. A top cover 3 is hinged on the upper surface of the shell 1. When opened, it is convenient for users to add coffee beans and dust can be prevented from entering the grinding box 8.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A manual coffee grinder, characterized in that: include: A base (2), wherein an outer shell (1) is provided on the upper surface of the base (2), a crushing box (8) is installed inside the outer shell (1), a first crushing roller (12) and a second crushing roller (13) are rotatably connected inside the crushing box (8), a transmission gear (9) is fixedly connected to the same end of the first crushing roller (12) and the second crushing roller (13), the two transmission gears (9) are meshed, and the first crushing roller (12) and the second crushing roller (13) are used for primary crushing; a secondary crushing roller (16), the secondary crushing roller (16) being rotatably connected to the inside of the crushing box (8) and being located below the first crushing roller (12); an adjusting plate (14) being rotatably connected to the inside of the crushing box (8); a screw (15) being threadedly connected to one side of the crushing box (8); the screw (15) being in conflict with the adjusting plate (14); and the secondary crushing roller (16) being used for secondary crushing; A powder box (4), wherein the powder box (4) is installed inside the housing (1), and the powder box (4) is located below the grinding box (8), and the powder box (4) is used to receive the ground coffee beans.

2. A manual coffee bean grinder according to claim 1, characterized in that: One end of the second crushing roller (13) is fixedly connected to a large gear (17), one end of the secondary crushing roller (16) is fixedly connected to a small gear (18), the large gear (17) and the small gear (18) are meshed, one end of the large gear (17) is equipped with a rocker arm (5), and the rocker arm (5) passes through the housing (1).

3. A manual coffee bean grinder according to claim 2, characterized in that: The crushing box (8) is composed of a plurality of assembly plates, and the plurality of assembly plates are fixedly connected by a plurality of screws (11).

4. The manual coffee bean grinder according to claim 2, characterized in that: A top cover (3) is hingedly connected to the upper surface of the shell (1).

5. The manual coffee bean grinder according to claim 1, characterized in that: One end of the screw rod (15) is fixedly connected to a rotating block (6), one side of the housing (1) is provided with a scale area (7), and the circumference of the rotating block (6) is provided with an indicating protrusion.

6. The manual coffee bean grinder according to claim 1, characterized in that: The base (2) is fixedly connected with protrusions (10) on all four sides, and the inner walls of the outer shell (1) are provided with matching grooves, and the outer shell (1) and the base (2) are mutually clamped.

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