Simple bean grinder

Abstract

The utility model discloses a simple bean grinder which comprises a main body and a feed hopper, an opening is formed in the top of the main body, the feed hopper is arranged at the opening in the top of the main body, a grinding cavity is formed in the top in the main body, a motor is arranged in the main body, an output shaft of the motor penetrates into the grinding cavity, and the output shaft of the motor is connected with the feed hopper. A motor is arranged in the main body, a lower cutter frame is arranged on an output shaft of the motor, a lower cutter head is arranged on the lower cutter frame, an upper cutter frame is arranged at an opening in the top of the main body, an upper cutter head is arranged on the upper cutter frame, the upper cutter head and the lower cutter head are oppositely arranged, and the lower cutter frame, the lower cutter head, the upper cutter frame and the upper cutter head are all located in the grinding cavity. The powder outlet assembly is partially arranged in the main body and communicates with the grinding cavity. The utility model has the advantages of small volume, light weight, simple structure, easiness in operation and low price, and is particularly suitable for general small families.

Description

Technical Field

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

[0002] A coffee bean grinder is a commonly used device for grinding coffee beans into coffee powder. It mainly grinds coffee beans into coffee powder through the relative rotation between two internal blades.

[0003] At present, there are many coffee grinders with different functions on the consumer market. For example, the Chinese utility model patent with publication number CN209186446U discloses a coffee grinder, including a bean bin assembly, a grinding assembly, a dual-adjustment coarseness assembly, a weighing assembly and a powder receiving container. The utility model has two-stage adjustment of the grinding coarseness, giving users a more accurate and convenient choice and a scientific control method; through the structural method of weighing the powder output, the user does not need to be affected by the fuzzy powder output of time, but the accurate powder output according to weight; it can easily replace different powder receiving containers to achieve weighing matching of different containers; the whole machine works more automatically and humanely; its disadvantages are complex structure, high price, and difficult maintenance, which is not suitable for ordinary families. Based on this, it is imperative to develop a coffee grinder with a simple structure, low price, and can meet the needs of most consumers. Utility Model Content

[0004] The utility model aims to solve at least one problem existing in the prior art. To this end, the purpose of the utility model is to provide a coffee grinder with the characteristics of simple structure and low price.

[0005] To achieve the above purpose, the technical solution of the utility model is:

[0006] A simple coffee bean grinder comprises a main body and a feed hopper, wherein an opening is provided at the top of the main body, and the feed hopper is arranged at the opening at the top of the main body, a grinding chamber is provided at the top of the main body, a motor is provided inside the main body, and the output shaft of the motor is inserted into the grinding chamber, a lower knife holder is provided on the output shaft of the motor, and a lower knife disc is provided on the lower knife holder, an upper knife holder is provided at the opening at the top of the main body, and an upper knife disc is provided on the upper knife holder, the upper knife disc and the lower knife disc are arranged oppositely, and the lower knife holder, the lower knife disc, the upper knife holder and the upper knife disc are all located in the grinding chamber, and also comprises a powder discharge assembly, and the powder discharge assembly is partially arranged inside the main body and connected with the grinding chamber.

[0007] Further on the basis of the above solution, a micro switch is also arranged on the main body, and a driving rod of the micro switch is located outside the main body.

[0008] Further on the basis of the above solution, a first bracket is arranged on the outer wall of the main body, and the first bracket is located below the micro switch driving rod.

[0009] Further on the basis of the above solution, a detachable powder receiving cup is provided on the first bracket, and the powder receiving cup is located below the powder outlet assembly.

[0010] Further on the basis of the above solution, a fixing frame is arranged inside the upper tool holder, and the feed hopper is arranged on the fixing frame.

[0011] Further on the basis of the above solution, a pull-out blocking piece is provided between the fixing frame and the feed hopper.

[0012] Further on the basis of the above scheme, the powder outlet assembly includes a connecting piece, a powder outlet piece and a cover plate, the connecting piece is connected to the main body and communicated with the grinding chamber, the powder outlet piece is arranged on the connecting piece, and the cover plate is arranged on the powder outlet piece.

[0013] Further on the basis of the above solution, a second bracket is arranged inside the main body, a motor is arranged above the second bracket, and a power supply is arranged below the second bracket.

[0014] Further on the basis of the above solution, a circuit board is arranged at any position inside the main body, and the motor, power supply and micro switch are all electrically connected to the circuit board.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model only has the most basic upper and lower blades, micro switches, motors, etc. It is small in size, light in weight, simple in structure, easy to operate, and cheap, and is particularly suitable for use by ordinary small families.

[0017] 2. The utility model can automatically grind coffee beans by placing a powder receiving cup to trigger a micro switch, and controlling the start and stop of grinding through the micro switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the coffee bean grinder of the utility model;

[0019] Figure 2 It is a cross-sectional view of the coffee bean grinder of the utility model;

[0020] Figure 3 This utility model Figure 2 A in the enlarged view;

[0021] Figure 4 It is a structural diagram of the powder discharging component of the coffee bean grinder of the utility model.

[0022] In the figure: 1. main body, 2. feed hopper, 3. grinding chamber, 4. motor, 5. lower knife holder, 6. lower knife disc, 7. upper knife holder, 8. upper knife disc, 9. powder outlet assembly, 10. micro switch, 11. first bracket, 12. powder receiving cup, 13. fixed bracket, 14. baffle, 15. connecting piece, 16. powder outlet piece, 17. cover plate, 18. second bracket, 19. power supply. DETAILED DESCRIPTION

[0023] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices consistent with some aspects of the present application as detailed in the appended claims.

[0024] The terms used in this application are only for the purpose of describing specific embodiments and are not intended to limit this application. Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which the utility model belongs. The words "one" or "one" and the like used in the specification and claims of this application do not indicate a quantitative limitation, but indicate the existence of at least one. "Multiple" includes two, which is equivalent to at least two. "Including" or "including" and the like mean that the elements or objects appearing in front of "including" or "including" include the elements or objects listed after "including" or "including" and their equivalents, and do not exclude other elements or objects. "Connected" or "connected" and the like are not limited to physical or mechanical connections, and can include electrical connections, whether direct or indirect. The singular forms of "one", "said" and "the" used in the specification and the appended claims of this application are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0025] Please refer to Figure 1-4A simple coffee bean grinder comprises a main body 1 and a feed hopper 2. An opening is provided at the top of the main body 1. The feed hopper 2 is arranged at the opening at the top of the main body 1. A grinding chamber 3 is provided at the top of the main body 1. The grinding chamber 3 is the place for grinding coffee beans. A motor 4 is provided inside the main body 1. The output shaft of the motor 4 is passed through the grinding chamber 3. A lower knife holder 5 is provided on the output shaft of the motor 4. A lower knife disc 6 is provided on the lower knife holder 5. The lower knife disc 6 is fixed to the lower knife holder 5 through a fastener. An upper knife holder 7 is provided at the opening at the top of the main body 1. An upper knife disc 8 is provided on the upper knife holder 7. The upper knife disc 8 is fixed to the upper knife holder 7 through a fastener. The upper knife disc 8 and the lower knife disc 6 are arranged relatively to each other. The lower knife holder 5, the lower knife disc 6, the upper knife holder 7 and the upper knife disc 8 are all located in the grinding chamber 3, and the coffee beans in the grinding chamber 3 can be ground.

[0026] A simple coffee bean grinder also includes a powder discharge assembly 9, which is partially arranged inside the main body 1 and connected to the grinding chamber 3, and the coffee powder in the grinding chamber 3 will be discharged from the powder discharge assembly 9. Specifically, the powder discharge assembly 9 includes a connecting member 15, a powder discharge member 16 and a cover plate 17, the connecting member 15 is connected to the main body 1 and connected to the grinding chamber 3, the powder discharge member 16 is arranged on the connecting member 15, and the cover plate 17 is arranged on the powder discharge member 16, and the connecting member 15, the powder discharge member 16 and the cover plate 17 are provided with connecting holes at corresponding positions, and fasteners can be assembled in the connecting holes to connect the connecting member 15, the powder discharge member 16 and the cover plate 17 together.

[0027] Furthermore, a micro switch 10 is also provided on the main body 1, and a driving rod of the micro switch 10 is located outside the main body 1. A second bracket 18 is fixedly provided inside the main body 1, a motor 4 is fixedly provided above the second bracket 18, and a power supply 19 is fixedly provided below the second bracket 18. A circuit board is provided at any position inside the main body 1 (not marked in the figure, and the installation position of the circuit board can be selected according to the internal space of the main body 1). The motor 4, the power supply 19, and the micro switch 10 are all electrically connected to the circuit board. After starting the bean grinder, when the micro switch 10 is triggered, the motor 4 can be controlled to operate, thereby driving the lower knife holder 5 and the lower knife disc 6 to rotate together, and then the coffee beans in the grinding chamber 3 are ground.

[0028] Furthermore, a first bracket 11 is arranged on the outer wall of the main body 1. The first bracket 11 is a U-shaped structure and is fixed to the outer wall of the main body 1 by fasteners. The first bracket 11 is located below the driving rod of the micro switch 10. A detachable powder receiving cup 12 is arranged on the first bracket 11. The powder receiving cup 12 is located below the powder output assembly. When the powder receiving cup 12 is placed on the first bracket 11, the powder receiving cup 12 will trigger the driving rod of the micro switch 10, thereby controlling the operation of the control motor 4.

[0029] Furthermore, a fixing frame 13 is provided inside the upper tool holder 7, and the feed hopper 2 is provided on the fixing frame 13 via fasteners.

[0030] Furthermore, a pull-out baffle 14 is provided between the fixed frame 13 and the feed hopper 2. Under normal conditions, the baffle 14 blocks the grinding chamber 3 of the main body 1 and the feed hopper 2 to isolate the feed hopper 2. When the baffle 14 is pulled out, the coffee beans in the feed hopper 2 can fall into the grinding chamber 3.

[0031] The utility model is a simple coffee bean grinder, and its working principle is explained in conjunction with the accompanying drawings in the specification:

[0032] Turn on the machine, place coffee beans into the feed hopper 2, pull out the baffle 14 to let the coffee beans enter the grinding chamber 3, put the powder receiving cup 12, trigger the driving rod of the micro switch 10 through the powder receiving cup 12, connect the motor 4 to the circuit, and the output shaft of the motor 4 rotates, driving the lower knife holder 5 and the lower knife disc 6 to rotate together, and then grind the coffee beans in the grinding chamber 3, grind the coffee beans into coffee powder, and the coffee powder falls from the powder outlet assembly 9 into the powder receiving cup 12. When the coffee powder in the powder receiving cup 12 reaches the required amount, pick up the powder receiving cup 12 and the motor 4 is powered off.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A simple coffee bean grinder, characterized in that: It includes a main body and a feed hopper, the top of the main body is provided with an opening, the feed hopper is arranged at the top opening of the main body, the top of the main body is provided with a grinding chamber, the inside of the main body is provided with a motor, the output shaft of the motor is passed through the grinding chamber, the output shaft of the motor is provided with a lower knife holder, the lower knife disc is provided on the lower knife holder, an upper knife holder is provided at the top opening of the main body, an upper knife disc is provided on the upper knife holder, the upper knife disc and the lower knife disc are arranged oppositely, the lower knife holder, the lower knife disc, the upper knife holder and the upper knife disc are all located in the grinding chamber, and it also includes a powder outlet component, the powder outlet component is partially arranged inside the main body and connected with the grinding chamber.

2. The simple coffee bean grinder according to claim 1, characterized in that: The main body is also provided with a micro switch, and a driving rod of the micro switch is located outside the main body.

3. The simple coffee bean grinder according to claim 2, characterized in that: A first bracket is arranged on the outer wall of the main body, and the first bracket is located below the micro switch driving rod.

4. The simple coffee bean grinder according to claim 3, characterized in that: A detachable powder receiving cup is arranged on the first bracket, and the powder receiving cup is located below the powder discharging assembly.

5. The simple coffee bean grinder according to claim 1 or 4, characterized in that: A fixing frame is arranged inside the upper tool holder, and the feed hopper is arranged on the fixing frame.

6. The simple coffee bean grinder according to claim 5, characterized in that: A pull-out blocking piece is arranged between the fixing frame and the feed hopper.

7. The simple coffee bean grinder according to claim 1, characterized in that: The powder outlet assembly comprises a connecting piece, a powder outlet piece and a cover plate, wherein the connecting piece is connected to the main body and communicated with the grinding chamber, the powder outlet piece is arranged on the connecting piece, and the cover plate is arranged on the powder outlet piece.

8. The simple coffee bean grinder according to claim 1, characterized in that: A second bracket is arranged inside the main body, a motor is arranged above the second bracket, and a power supply is arranged below the second bracket.

9. The simple coffee bean grinder according to claim 8, characterized in that: A circuit board is arranged at any position inside the main body, and the motor, power supply and micro switch are all electrically connected to the circuit board.

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