Grinder

Abstract

The utility model relates to a grinder which comprises a shell and a grinding assembly arranged in the shell, a stock bin is arranged above the shell, a powder bin is arranged below the shell, and a guide part used for guiding installation of the stock bin is arranged between the stock bin and the shell. The top of the powder bin is provided with a first external thread, and the bottom of the shell is provided with a first internal thread matched with the first external thread; the powder bin is provided with a first clamping block, and the shell is provided with a first clamping groove matched with the first clamping block. When the first external thread and the first internal thread are screwed, the first clamping block is located in the first clamping groove. The grinder disclosed by the utility model has the advantages that the powder bin is in threaded connection with the shell, so that the grinder is simple and convenient to disassemble and assemble; a first clamping block is matched with a first clamping groove, screwing in place can be prompted when a user installs the powder bin, meanwhile, fixing is reliable after a first external thread and a first internal thread are screwed, and the powder bin cannot loosen or slide down; and the guide part facilitates accurate installation of the stock bin.

Description

Technical Field

[0001] This utility model relates to the field of food granule grinding technology, and in particular to a grinder. Background Technology

[0002] With the development of the times and the improvement of living standards, modern families have widely adopted grinders for grinding coffee beans, peppercorns, salt, pepper, and other ingredients.

[0003] In the prior art, such as the Chinese Utility Model Patent Publication No. CN207236684U, a grinder is disclosed, including a bottle body and a grinding assembly communicating with the inner cavity of the bottle body. The grinding assembly includes a female grinding head and a male grinding head. The female grinding head is connected to the bottle body via a collar. The outer peripheral wall of the collar is provided with multiple longitudinally arranged limiting protrusions. The lower periphery of the collar has an outwardly protruding annular base, and the upper surface of the base is provided with a wedge-shaped surface. A rotating cylinder is rotatably connected to the collar. The rotating cylinder is provided with limiting blocks adapted to the protrusions and protruding posts for abutting against the slope surface of the base. A rocker arm drives and connects to the male grinding head, and a connecting seat connects to the rotating cylinder. The rocker arm slides through the connecting seat. However, the bottle body and the base of this grinder are only connected by threads, which are prone to loosening after not being tightened or after long-term use and vibration, causing the bottle body to fall off. Utility Model Content

[0004] One object of this application is to provide a grinder with a securely installed powder hopper.

[0005] The technical solution adopted in this application is as follows: a grinder includes a housing and a grinding assembly disposed within the housing. A material hopper is provided above the housing, and a powder hopper is provided below the housing. A guide portion for guiding the installation of the material hopper is provided between the material hopper and the housing. A first external thread is provided on the top of the powder hopper, and a first internal thread that mates with the first external thread is provided on the bottom of the housing. A first locking block is provided on the powder hopper, and a first locking groove that mates with the first locking block is provided on the housing. When the first external thread and the first internal thread are tightened, the first locking block is located in the first locking groove.

[0006] Compared with the prior art, the advantages of this application are that the powder hopper and the shell are connected by threads, making disassembly and assembly simple and convenient; the first locking block and the first locking groove cooperate to prompt the user to tighten in place when installing the powder hopper, and at the same time, the first external thread and the first internal thread are tightened and fixed reliably, so that the powder hopper will not loosen or slip off; the guide part facilitates the precise installation of the hopper.

[0007] In some embodiments of this application, the hopper includes a side wall, a bottom edge, and a vertical edge from top to bottom. The diameter of the side wall is larger than the diameter of the vertical edge. The two ends of the bottom edge are connected to the side wall and the vertical edge, respectively. The vertical edge extends downward. The top surface of the shell is in contact with the bottom edge. A stop block is provided inside the shell. The inner surface of the stop block matches the outer surface of the vertical edge. The stop block is connected to the shell. The vertical edge and the stop block form a guide section.

[0008] Furthermore, the stop block is provided with a support plate extending toward the center, the support plate being located below the vertical side; the support plate and the stop block form an L-shape, with the end of the vertical side located inside the opening of the L-shape.

[0009] Furthermore, the housing is provided with a drive shaft, and a bushing is provided between the drive shaft and the housing. The bushing has a threaded hole, and the bottom edge is connected to the threaded hole by a bolt.

[0010] In some embodiments of this application, the powder hopper includes a powder hopper cylinder, and a bottom cover or powder dispenser connector is provided below the powder hopper cylinder. The bottom cover or powder dispenser connector is connected to the powder hopper cylinder through a connecting part, and the first external thread is located at the top of the powder hopper cylinder.

[0011] Furthermore, the connecting part includes a second external thread and a second internal thread that mates with the second external thread. The second external thread is located at the bottom of the powder hopper cylinder, and the second internal thread is located on the bottom cover or the powder dispenser connector.

[0012] Furthermore, a second locking block is provided on the bottom cover or the powder dispenser connector, and a second locking groove is provided on the powder hopper cylinder to cooperate with the second locking block; when the second external thread and the second internal thread are tightened, the second locking block is located in the second locking groove.

[0013] Furthermore, two second external threads and two second internal threads are provided; the two second external threads are arranged 180° rotated relative to the center of the powder silo cylinder.

[0014] Furthermore, the powder dispenser connector includes a base and a baffle plate. The base has a powder discharge hole, and the baffle plate cooperates with the powder discharge hole. A protruding positioning ring is provided on the bottom surface of the base. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of this utility model;

[0016] Figure 2 yes Figure 1 Enlarged view of part A in the image;

[0017] Figure 3 This is a schematic diagram of the structure of Embodiment 1 of this utility model without the hopper;

[0018] Figure 4 This is an exploded view of the powder hopper in Embodiment 1 of this utility model;

[0019] Figure 5 This is a schematic diagram of the structure of Embodiment 1 of this utility model without the powder hopper;

[0020] Figure 6 This is a structural schematic diagram of Embodiment 2 of the present invention;

[0021] Figure 7 This is an exploded view of the powder hopper in Embodiment 2 of this utility model.

[0022] In the diagram: 1. Shell; 2. Grinding assembly; 3. Hopper; 4. Side wall; 5. Bottom edge; 6. Vertical edge; 7. Stop block; 8. Support plate; 9. Connecting plate; 10. Drive shaft; 11. Bushing; 12. Threaded hole; 13. Powder hopper; 14. First external thread; 15. First internal thread; 16. First locking block; 17. First locking groove; 18. Powder hopper cylinder; 19. Bottom cover; 20. Second external thread; 21. Second internal thread; 22. Second locking block; 23. Second locking groove; 24. Guide sleeve; 25. Bracket; 26. Fixing ring; 27. Handle; 28. Top cover; 29. ​​Powder dispenser connector; 30. Base; 31. Baffle plate; 32. Powder drop hole; 33. Positioning ring. Detailed Implementation

[0023] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0024] Example 1:

[0025] This embodiment provides a grinder, such as Figure 1 , Figure 4 , Figure 5 As shown, the assembly includes a housing 1 and a grinding assembly 2 disposed within the housing 1. A hopper 3 is located above the housing 1, and a powder hopper 13 is located below the housing 1. A guide portion for guiding the installation of the hopper 3 is provided between the hopper 3 and the housing 1. The top of the powder hopper 13 is provided with a first external thread 14, and the bottom of the housing 1 is provided with a first internal thread 15 that mates with the first external thread 14. A first locking block 16 is provided on the powder hopper 13, and a first locking groove 17 that mates with the first locking block 16 is provided on the housing 1. When the first external thread 14 and the first internal thread 15 are tightened, the first locking block 16 is located within the first locking groove 17. The first locking block 16 is located at the tail end of the first external thread 14.

[0026] The powder hopper 13 is connected to the housing 1 by a thread, making disassembly and assembly simple and convenient; the first locking block 16 and the first locking groove 17 cooperate to indicate that the powder hopper 13 is tightened in place when the user installs it, and at the same time ensure that the first external thread 14 and the first internal thread 15 are tightened and fixed reliably, so that the powder hopper 13 will not loosen or slip off; the guide part facilitates the precise installation of the hopper 3.

[0027] For the reliability of silo 3, such as Figure 2 , Figure 3 As shown, the hopper 3 includes, from top to bottom, a side wall 4, a bottom edge 5, and a vertical edge 6. The diameter of the side wall 4 is larger than the diameter of the vertical edge 6. The two ends of the bottom edge 5 are connected to the side wall 4 and the vertical edge 6, respectively. The vertical edge 6 extends downwards, and the top surface of the shell 1 is fitted with the bottom edge 5. A stop block 7 is provided inside the shell 1. The inner surface of the stop block 7 matches the outer surface of the vertical edge 6, and the stop block 7 is connected to the shell 1. The vertical edge 6 and the stop block 7 form a guide portion. In this embodiment, the stop block 7 is connected to the shell 1 through a connecting plate 9, which is annular. Three stop blocks 7 are evenly distributed around the center of the shell 1. The side wall 4, the bottom edge 5, and the vertical edge 6 are all annular.

[0028] The top surface of the shell 1 fits against the bottom edge 5, providing support for the hopper 3. The stop block 7 is used to prevent the vertical edge 6 from moving outward, thus limiting the position of the hopper 3 and facilitating precise positioning and installation of the hopper 3. The design of the vertical edge 6 gives the hopper 3 high overall strength, and the vertical edge 6 also serves as a guide for material feeding. The side wall 4, bottom edge 5, and vertical edge 6 are arranged from the outside to the inside, making the upper part of the hopper 3 larger and the lower part smaller, which facilitates material feeding. There are no other parts pressing down on the bottom edge 5 of the hopper 3, so the hopper 3 can be directly disassembled relative to the shell 1.

[0029] To reliably limit the movement of the hopper 3, the stop block 7 is provided with a support plate 8 extending towards the center. The support plate 8 is located below the vertical side 6, and one end of the support plate 8 is connected to the stop block 7. The support plate 8 and the stop block 7 form an L-shape, with the end of the vertical side 6 located within the opening of the L-shape. The inner diameter of the vertical side 6 is smaller than the inner diameter of the support plate 8, ensuring that the support plate 8 does not obstruct the material flow and guarantees smooth feeding. In this embodiment, the support plate 8 is annular. The design of the support plate 8 improves the structural strength of the stop block 7 and also prevents the vertical side 6 from moving downwards, thus limiting the movement of the hopper 3 and ensuring reliable installation of the hopper 3.

[0030] To ensure reliable connection of the hopper 3, a drive shaft 10 is provided inside the housing 1. A bushing 11 is provided between the drive shaft 10 and the housing 1. The bushing 11 has a threaded hole 12, and the bottom edge 5 is connected to the threaded hole 12 by bolts. The drive shaft 10 passes through the bushing 11, and the lower end of the drive shaft 10 is connected to the grinding assembly 2. In this embodiment, the connecting plate 9 has a through hole. The bushing 11 includes a guide sleeve 24, a bracket 25, and a fixing ring 26 from the inside to the outside. The two ends of the bracket 25 are connected to the guide sleeve 24 and the fixing ring 26, respectively. A part of the bracket 25 extends upward and passes through the through hole to fit against the bottom edge 5. The threaded hole 12 is located on the extended part of the bracket 25. Three threaded holes 12 are evenly distributed around the center of the bushing 11. The hopper 3 and the bushing 11 are connected by bolts, so that the hopper 3 is fixed and will not fall off. Disassembling the hopper 3 only requires unscrewing the bolts, making disassembly and assembly convenient.

[0031] To facilitate use, the powder hopper 13 includes a powder hopper cylinder 18, with a bottom cover 19 at the bottom. The bottom cover 19 is connected to the powder hopper cylinder 18 via a connecting part, and the first external thread 14 is located at the top of the powder hopper cylinder 18. The bottom cover 19 and the powder hopper cylinder 18 are detachably connected. The detachable design of the bottom cover 19 allows the powder hopper 13 to have a receiving chamber when the bottom cover 19 is not removed, facilitating the collection of ground seasonings, etc. When the bottom cover 19 is removed, the ground seasonings can be directly poured out, and the cleaning of the powder hopper 13 is simpler and cleaner.

[0032] To ensure a reliable connection between the powder hopper body 18 and the bottom cover 19, the connecting part includes a second external thread 20 and a second internal thread 21 that mates with the second external thread 20. The second external thread 20 is located at the bottom of the powder hopper body 18, and the second internal thread 21 is located on the bottom cover 19. The powder hopper body 18 and the bottom cover 19 are connected by threads, making disassembly and assembly simple and convenient.

[0033] To ensure the powder hopper body 18 is securely attached to the bottom cover 19, the bottom cover 19 is provided with a second locking block 22, and the powder hopper body 18 is provided with a second locking groove 23 that mates with the second locking block 22. When the second external thread 20 and the second internal thread 21 are tightened, the second locking block 22 is located within the second locking groove 23. The engagement of the second locking block 22 and the second locking groove 23 provides a prompt for the user to tighten the bottom cover 19 properly during installation, and ensures that the second external thread 20 and the second internal thread 21 are securely tightened, preventing the bottom cover 19 from loosening or slipping off.

[0034] To facilitate the installation of the bottom cover 19, two second external threads 20 and two second internal threads 21 are provided; the two second external threads 20 are arranged 180° relative to the center of the powder hopper cylinder 18. With a single second external thread 20, if the head of the second external thread 20 is missed during installation, the bottom cover 19 needs to be rotated 360° to be screwed back in. However, with two second external threads 20, if the head of one second external thread 20 is missed during installation, the bottom cover 19 can still be screwed in from the head of the second second external thread 20, making the installation of the bottom cover 19 much more convenient.

[0035] In this embodiment, the second locking block 22 is located at the tail of the second external thread 20.

[0036] It also includes a handle 27 and a top cover 28. The upper end of the drive shaft 10 is connected to the handle 27, and the top cover 28 is located above the hopper 3.

[0037] Example 2:

[0038] This embodiment provides a grinder, such as Figure 6 As shown, except that the bottom cover 19 below the powder hopper cylinder 18 in Embodiment 1 is replaced by a powder dispenser connector 29 below the powder hopper cylinder 18, all other technical features are the same as in Embodiment 1.

[0039] For ease of use, the powder container 13 is connected to the powder container body 18 via a connecting part; the powder container 29 and the powder container body 18 are detachably connected. The detachable design of the powder container 29 allows the powder container 13 to have a receiving chamber when the powder container 29 is not removed, making it convenient to collect the ground coffee powder. When the powder container 13 is removed, cleaning is simpler and cleaner, and it also facilitates the replacement of the powder container 29, or the replacement of the bottom cover 19 when the powder container 29 is not in use.

[0040] To ensure a reliable connection between the powder hopper body 18 and the powder dispenser connector 29, the connection includes a second external thread 20 and a second internal thread 21 that mates with the second external thread 20. The second external thread 20 is located at the bottom of the powder hopper body 18, and the second internal thread 21 is located on the powder dispenser connector 29. The powder hopper body 18 and the powder dispenser connector 29 are connected by threads, making assembly and disassembly simple and convenient.

[0041] For the powder mixer connector 29 to be reliable, such as Figure 7 As shown, the coffee maker connector 29 includes a base 30 and a baffle 31. The base 30 has a coffee powder discharge hole 32, and the baffle 31 mates with the coffee powder discharge hole 32. A protruding positioning ring 33 is provided on the bottom surface of the base 30, and the coffee powder discharge hole 32 is located inside the positioning ring 33. The outer surface of the positioning ring 33 mates with the inner surface of the coffee container on the coffee portafilter, facilitating the precise installation of the coffee maker connector 29 and the coffee container, so that the coffee powder discharge hole 32 is directly above the coffee container, making it easy for coffee powder to enter the coffee container from the powder compartment 13. The baffle 31 includes a baffle body 34 and an upwardly extending handle 35. The bottom end of the handle 35 is connected to the baffle body 34. The baffle body 34 is used to mate with the coffee powder discharge hole 32. The design of the handle 35 allows for easy lifting of the baffle body 34.

[0042] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A grinder comprising a housing (1) and a grinding assembly (2) arranged inside the housing (1), characterized in that, The shell (1) is provided with a material bin (3) above, and a powder bin (13) below, a guide part is arranged between the material bin (3) and the shell (1) for guiding the installation of the material bin (3); the top of the powder bin (13) is provided with a first external thread (14), the bottom of the shell (1) is provided with a first internal thread (15) matched with the first external thread (14); the powder bin (13) is provided with a first clamping block (16), and the shell (1) is provided with a first clamping groove (17) matched with the first clamping block (16); in the state that the first external thread (14) and the first internal thread (15) are screwed, the first clamping block (16) is located in the first clamping groove (17).

2. A grinder as claimed in claim 1, wherein: The material bin (3) comprises a side wall (4), a bottom edge (5) and a vertical edge (6) from top to bottom in sequence, the diameter of the side wall (4) is greater than the diameter of the vertical edge (6), the two ends of the bottom edge (5) are connected with the side wall (4) and the vertical edge (6) respectively, the vertical edge (6) extends downward, the top surface of the shell (1) is attached to the bottom edge (5), the shell (1) is provided with a stop block (7), the inner surface of the stop block (7) is matched with the outer surface of the vertical edge (6), and the stop block (7) is connected with the shell (1); the vertical edge (6) and the stop block (7) form the guide part.

3. A grinder as claimed in claim 2, wherein: The stop block (7) is provided with a support plate (8) extending towards the center, and the support plate (8) is located below the vertical edge (6); the support plate (8) and the stop block (7) form an L shape.

4. A grinder as claimed in claim 2, wherein: The shell (1) is provided with a transmission shaft (10), a shaft sleeve (11) is arranged between the transmission shaft (10) and the shell (1), a threaded hole (12) is arranged on the shaft sleeve (11), and the bottom edge (5) is connected with the threaded hole (12) through a bolt.

5. The grinder of claim 1, wherein: The powder bin (13) comprises a powder bin barrel (18), the bottom of the powder bin barrel (18) is provided with a bottom cover (19) or a powder device connector (29), the bottom cover (19) or the powder device connector (29) is connected with the powder bin barrel (18) through a connecting part, and the first external thread (14) is located at the top of the powder bin barrel (18).

6. A grinder as claimed in claim 5 wherein: The connecting part comprises a second external thread (20) and a second internal thread (21) matched with the second external thread (20), the second external thread (20) is arranged at the bottom of the powder bin barrel (18), and the second internal thread (21) is arranged on the bottom cover (19) or the powder device connector (29).

7. A grinder as claimed in claim 6 wherein: The bottom cover (19) or the powder device connector (29) is provided with a second clamping block (22), and the powder bin barrel (18) is provided with a second clamping groove (23) matched with the second clamping block (22); in the state that the second external thread (20) and the second internal thread (21) are screwed, the second clamping block (22) is located in the second clamping groove (23).

8. A grinder as claimed in claim 6, wherein: The second external thread (20) is provided in two, and the second internal thread (21) is provided in two; the two second external threads (20) are arranged at 180° rotation relative to the center of the powder bin barrel (18).

9. A grinder as defined in claim 5, wherein: The powder device connector (29) comprises a base (30) and a baffle (31), the base (30) is provided with a falling powder hole (32), and the baffle (31) is matched with the falling powder hole (32); the bottom surface of the base (30) is provided with a protruding positioning ring (33).

Images