Household hand-cranking coffee grinder

Abstract

The utility model discloses a household hand-cranking coffee grinder, and particularly relates to the technical field of coffee grinders, which comprises a barrel, an anti-slip bottom plate is fixedly connected to the bottom of the barrel, a barrel cover is arranged at the top of the barrel, a collecting drawer is inserted into the side face of the barrel, and a first grinding body is fixedly connected to the bottom of an inner cavity of the barrel. A second grinding body is arranged in the middle of the barrel, and a rotating disc is arranged on the top of the barrel cover. According to the utility model, firstly, through the arranged performance precision adjusting mechanism, an inserting rod can be controlled by rotating an adjusting knob through a second threaded rod to drive a second grinding body to move downwards, and the distance between the second grinding body and a first grinding body can be adjusted as required, so that the fineness of grinding particles is adjusted according to the sizes of the grinding particles; and the position of the adjusting knob is fixed by rotating the fastening screw rod, so that the positions of the second grinding body and the first grinding body are kept unchanged all the time in the grinding process, and the grinding effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee grinders, and more particularly to a household hand-cranked coffee grinder. Background Art

[0002] Coffee has become an indispensable drink in our daily lives. As people's living conditions gradually improve, the requirements for coffee quality are getting higher and higher. High-quality coffee is usually brewed by grinding coffee beans. Different grinding degrees can change the flavor of the same coffee. Coffee grinders are divided into electric and manual. Manual coffee grinders are quieter and are very popular.

[0003] Chinese patent application number CN202122168523.5 discloses a hand-cranked coffee grinder, which includes a base, a collection device, a grinding device, and a power mechanism. The collection device includes a moisture-proof shell and a sealed drawer, and the grinding device includes a hollow grinding bowl, a sliding cover, a grinding rod, and a support frame. The utility model grinds coffee beans in a hand-cranked mode through a hand-cranked wheel and a power mechanism, which can better control the quality of the ground coffee powder and is quiet and pollution-free during use.

[0004] However, it can be seen from the drawings in the specification that the ground product is screened by the retractable mode of the grinding rod and the gradually enlarged filter holes at the bottom to obtain coffee powder of the desired particle size. However, the distance between the grinding teeth and the wall at which they are located is always fixed during grinding, which makes it inconvenient to adjust the distance between the grinding teeth according to the size of the ground particles, thereby adjusting the fineness of the ground particles, and affecting the grinding effect. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a household hand-crank coffee grinder to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a household hand-cranked coffee grinder, comprising a cylinder, a non-slip bottom plate fixedly connected to the bottom of the cylinder, which improves the stability of the cylinder, a cylinder cover is provided on the top of the cylinder, a collection drawer is inserted into the side of the cylinder, and the finished products are collected through the collection drawer, a first grinding body is fixedly connected to the bottom of the inner cavity of the cylinder, a second grinding body is provided in the middle of the cylinder, and a rotating disk is provided on the top of the cylinder cover, which drives the second grinding body to rotate and grinds the internal raw materials through cooperation with the first grinding body;

[0007] The bottom of the rotating disk is fixedly connected to a limiting cylinder, the top edge of the rotating disk is fixedly connected to a rotating rod, a grinding precision adjustment mechanism is provided in the middle of the rotating disk, one side of the limiting cylinder is fixedly connected to a supporting rod, and the bottom of the supporting rod is fixedly connected to a cleaning brush, the limiting cylinder is used to improve the stability of the rotating disk and the cylinder cover, and the rotating disk is conveniently rotated by the rotating rod, and the height of the second grinding body is conveniently adjusted by the grinding precision adjustment mechanism, thereby facilitating the adjustment of the grinding effect, and the cleaning brush is driven to rotate by the support rod, so that the raw materials attached to the surface of the first grinding body can be cleaned towards the middle, thereby improving the grinding effect;

[0008] A sealing plate is provided in the middle of the cylinder, one end of the sealing plate extends to the middle of the discharge pipe at the bottom of the cylinder cavity, and a moving block is fixedly connected to the top of one end of the sealing plate. A first threaded rod is inserted in the middle of the moving block, and one end of the first threaded rod extends to the outside of the cylinder and is fixedly connected to a rotating knob. By turning the rotating knob to control the first threaded rod to drive the moving block to move, one end of the sealing plate can be moved to the middle of the discharge pipe at the bottom of the cylinder cavity, which is convenient for controlling whether to discharge the material and convenient for controlling use.

[0009] Preferably, the bottom wall of the second grinding body fits with the top wall of the first grinding body, the inner cavity of the cylinder is set to a conical structure, and the bottom discharge pipe of the cylinder is connected to the inner cavity of the collection drawer. Through the cooperation of the second grinding body and the first grinding body, the grinding effect is improved, and the discharge of finished products is convenient, and the finished grinding products are conveniently collected through the collection drawer.

[0010] Preferably, the first threaded rod is threadedly connected to the moving block, the cross-sectional shape of one end of the sealing plate is set to a semicircular structure, the bottom wall of the cleaning brush is fitted with the top wall of the first grinding body, and the first threaded rod is rotated to control the moving block to drive the sealing plate to move horizontally, and the cleaning brush is used to sweep the raw material on the surface of the first grinding body to improve the grinding effect.

[0011] Preferably, the cylinder cover is sleeved on the top of the cylinder body, the cylinder cover is threadedly connected to the cylinder body, a handle is fixedly connected to one side of the collection drawer, the cross-sectional shape of the limiting cylinder is set to be "T"-shaped, the limiting cylinder passes through the wall of the cylinder cover, the cylinder cover is used to facilitate opening and closing the top of the cylinder body, the handle is used to facilitate pulling out the collection drawer, and the limiting cylinder is used to limit the rotating disk.

[0012] Preferably, the grinding precision adjustment mechanism includes an insertion rod fixed on the top of the second grinding body, the top end of the insertion rod extends to the inside of the limiting cylinder, the top of the rotating disk is provided with a scale line, and the top of the rotating disk is provided with a second threaded rod, the second threaded rod passes through the rotating disk and extends to the inside of the insertion rod and engages with the inner cavity wall of the insertion rod.

[0013] Preferably, a limiting block is fixedly connected to one side of the top end of the insertion rod, a limiting slot is provided in the middle of the limiting cylinder at a position corresponding to the limiting block, the limiting block is arranged in the middle of the limiting slot, and an adjusting knob is fixedly connected to the top of the second threaded rod.

[0014] Preferably, the bottom of the adjusting knob is fixedly connected to a limit ring, the cross-sectional shape of the limit ring is set to be "L"-shaped, the limit ring is embedded in the surface of the rotating disk, one side of the adjusting knob is fixedly connected to a pointer, and the other side is inserted with a fastening screw, the pointer corresponds to the scale line, and the second threaded rod is driven to rotate by rotating the adjusting knob, and the adjusting knob can be limited by the limit ring so that the insertion rod drives the second grinding body to move up and down, and the cooperation of the limit block and the limit slide groove improves the stability of the insertion rod moving up and down, and when the rotating disk rotates, the insertion rod can be driven by the limit cylinder to rotate the second grinding body, which is convenient for manual grinding;

[0015] By observing the corresponding scale lines between the pointer and the scale lines, it is convenient to observe and control the grinding accuracy. By rotating the fastening screw to fit the top wall of the rotating disk, the rotation angle of the adjustment knob can be fixed, thereby improving the adjustment and fixing effect.

[0016] The technical effects and advantages of this utility model are:

[0017] 1. The utility model firstly provides a precision adjustment mechanism. By rotating the adjusting knob, the second threaded rod is controlled to drive the second grinding body downward. The distance between the second grinding body and the first grinding body can be adjusted as needed, thereby adjusting the fineness of the grinding particles according to the size of the grinding particles. The position of the adjusting knob is fixed by rotating the fastening screw, so that the position of the second grinding body and the first grinding body remains unchanged during the grinding process, thereby improving the grinding effect.

[0018] 2. The present invention also facilitates the control of the grinding effect through the cooperation of the pointer and the scale line. The cooperation of the limit block and the limit slide groove allows the rotating disk to drive the limit cylinder to rotate, which can drive the second grinding body to rotate in the middle of the cylinder, thereby performing hand-cranked grinding. The support rod drives the cleaning brush to clean the coffee beans on the wall of the cylinder, which can improve the fineness of the grinding. The sealing plate can be controlled to open and close the discharge hole by turning the rotating knob, which facilitates the control of whether to discharge the material and improves the use effect.

[0019] In summary, through the mutual influence of the above-mentioned multiple effects, the relative distance between the second grinding body and the first grinding body can be adjusted conveniently according to the size of the grinding particles or the required finished product, thereby facilitating the adjustment of the grinding product effect and conveniently controlling whether to unload the material, thereby improving the fineness of the grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the present utility model.

[0022] Figure 3 For this utility model Figure 2 Schematic diagram of the locally enlarged structure at point A in the middle.

[0023] Figure 4 It is a schematic diagram of the cross-sectional structure of the cylinder of the utility model.

[0024] Figure 5 This is a schematic diagram of the disassembled structure of the cylinder cover of the utility model.

[0025] Figure 6 It is a schematic diagram of the cross-sectional structure of the cylinder cover of the utility model.

[0026] The accompanying drawings are marked as follows: 1. cylinder; 2. anti-slip bottom plate; 3. cylinder cover; 4. first grinding body; 5. collection drawer; 6. handle; 7. blocking plate; 8. moving block; 9. first threaded rod; 10. rotating knob; 11. rotating disk; 12. rotating rod; 13. limiting cylinder; 14. supporting rod; 15. cleaning brush; 16. inserting rod; 17. second grinding body; 18. limiting block; 19. limiting slide groove; 20. adjusting knob; 21. second threaded rod; 22. limiting ring; 23. pointer; 24. fastening screw; 25. scale line. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] As attached Figure 1-6 The illustrated household hand-crank coffee grinder includes a barrel 1. A non-slip base plate 2 is fixedly connected to the bottom of the barrel 1 to improve the stability of the barrel 1. A barrel cover 3 is provided on the top of the barrel 1. A collection drawer 5 is inserted into the side of the barrel 1 to collect finished products. A first grinding body 4 is fixedly connected to the bottom of the inner cavity of the barrel 1. A second grinding body 17 is provided in the middle of the barrel 1. A rotating disk 11 is provided on the top of the barrel cover 3. The rotating disk 11 drives the second grinding body 17 to rotate and grinds the internal raw materials by cooperating with the first grinding body 4.

[0029] The bottom of the rotating disk 11 is fixedly connected to the limiting cylinder 13, the top edge of the rotating disk 11 is fixedly connected to the rotating rod 12, the middle of the rotating disk 11 is provided with a grinding precision adjustment mechanism, one side of the limiting cylinder 13 is fixedly connected to the support rod 14, the bottom of the support rod 14 is fixedly connected to a cleaning brush 15, the middle of the cylinder 1 is provided with a blocking plate 7, one end of the blocking plate 7 extends to the middle of the discharge pipe at the bottom of the inner cavity of the cylinder 1, one end of the blocking plate 7 is fixedly connected to a moving block 8, the middle of the moving block 8 is inserted with a first threaded rod 9, one end of the first threaded rod 9 extends to the outside of the cylinder 1 and is fixedly connected to the rotating disk 11. The button 10 improves the stability of the rotating disk 11 and the cylinder cover 3 through the limiting cylinder 13, and the rotating disk 11 is conveniently rotated through the rotating rod 12. The height of the second grinding body 17 is conveniently adjusted through the grinding precision adjustment mechanism, so as to facilitate the adjustment of the grinding effect, and the cleaning brush 15 is driven to rotate by the support rod 14, which can clean the raw materials attached to the surface of the first grinding body 4 toward the middle to improve the grinding effect. By rotating the rotating knob 10 to control the first threaded rod 9 to drive the moving block 8 to move, one end of the sealing plate 7 can be moved to the middle of the discharge pipe at the bottom of the inner cavity of the cylinder 1, which is convenient for controlling whether to discharge the material and convenient for controlling use.

[0030] As attached Figure 1-5 As shown, the bottom wall of the second grinding body 17 fits with the top wall of the first grinding body 4, the inner cavity of the cylinder 1 is set to a conical structure, the bottom discharge pipe of the cylinder 1 is connected to the inner cavity of the collection drawer 5, the first threaded rod 9 is threadedly connected to the moving block 8, the cross-sectional shape of one end of the blocking plate 7 is set to a semicircular structure, the bottom wall of the cleaning brush 15 fits with the top wall of the first grinding body 4, the cylinder cover 3 is sleeved on the top of the cylinder 1, the cylinder cover 3 is threadedly connected to the cylinder 1, a handle 6 is fixedly connected to one side of the collection drawer 5, and the cross-sectional shape of the limiting cylinder 13 is set to "T" shape, the limiting cylinder 13 passes through the wall of the cylinder cover 3, and the cooperation of the second grinding body 17 and the first grinding body 4 improves the grinding effect and facilitates the unloading of finished products. The ground products are conveniently collected through the collecting drawer 5. The first threaded rod 9 is rotated to control the moving block 8 to drive the sealing plate 7 to move horizontally, and the raw materials on the surface of the first grinding body 4 are swept by the cleaning brush 15 to improve the grinding effect. The top of the cylinder 1 is conveniently opened and closed through the cylinder cover 3, and the collection drawer 5 is conveniently pulled out through the handle 6. The rotating disk 11 is limited by the limiting cylinder 13.

[0031] As attached Figure 1 、 2As shown in , 3, 5, and 6, the grinding precision adjustment mechanism includes an insertion rod 16 fixed to the top of the second grinding body 17, the top of the insertion rod 16 extends to the inside of the limiting cylinder 13, and a scale line 25 is provided on the top of the rotating disk 11. A second threaded rod 21 is inserted into the top of the rotating disk 11, and the second threaded rod 21 passes through the rotating disk 11 and extends to the inside of the insertion rod 16 to engage with the inner cavity wall of the insertion rod 16. One side of the top of the insertion rod 16 is fixedly connected to the limiting block 18, and a limiting groove 19 is provided in the middle of the limiting cylinder 13 at a position corresponding to the limiting block 18. The limiting block 18 is arranged in the middle of the limiting groove 19, and the top of the second threaded rod 21 is fixedly connected to the adjusting knob 20, and the bottom of the adjusting knob 20 A limit ring 22 is fixedly connected, and the cross-sectional shape of the limit ring 22 is set to be "L"-shaped. The limit ring 22 is embedded in the surface of the rotating disk 11. A pointer 23 is fixedly connected to one side of the adjusting knob 20, and a fastening screw 24 is inserted on the other side. The pointer 23 corresponds to the scale line 25. By rotating the adjusting knob 20, the second threaded rod 21 is rotated, and the adjusting knob 20 can be limited by the limit ring 22 so that the insertion rod 16 drives the second grinding body 17 to move up and down, and the cooperation of the limit block 18 and the limit slide 19 improves the stability of the up and down movement of the insertion rod 16, and when the rotating disk 11 rotates, the insertion rod 16 can be driven by the limit cylinder 13 to rotate the second grinding body 17, which is convenient for manual grinding.

[0032] By observing the corresponding scale lines of the pointer 23 and the scale lines 25, it is convenient to observe and control the grinding accuracy. By rotating the fastening screw 24 to fit the top wall of the rotating disk 11, the rotation angle of the adjusting knob 20 can be fixed, thereby improving the adjustment and fixing effect.

[0033] Working principle of the utility model: when in use, it is only necessary to turn the barrel cover 3 to open the barrel cover 3, then place coffee beans in the middle of the barrel body 1, and thread the barrel cover 3 to the barrel body 1 to fix the barrel cover 3, then turn the fastening screw 24 to loosen the fixation of the adjusting knob 20, then turn the adjusting knob 20 to match the pointer 23 with the scale line 25, observe the system of the pointer 23, and control the second grinding body 17 to move up and down in turn to adjust the distance between the second grinding body 17 and the first grinding body 4, and after adjustment, turn the fastening screw 24 to fix the adjusting knob 20, thereby achieving the fixation of the second grinding body 17;

[0034] Then, the rotating rod 12 is turned to control the rotating disk 11 to drive the second grinding body 17 to rotate, so that the coffee beans inside the cylinder 1 can be ground by cooperating with the first grinding body 4. Then, the rotating knob 10 is turned to control the sealing plate 7 to move away from the bottom discharge port of the cylinder 1, so that the ground product inside the cylinder 1 can fall into the collection drawer 5 for collection, which is convenient for grinding and use.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A household hand-crank coffee grinder, comprising a barrel (1), characterized in that: The bottom of the cylinder (1) is fixedly connected to a non-slip bottom plate (2), the top of the cylinder (1) is provided with a cylinder cover (3), a collecting drawer (5) is inserted into the side of the cylinder (1), the bottom of the inner cavity of the cylinder (1) is fixedly connected to a first grinding body (4), the middle of the cylinder (1) is provided with a second grinding body (17), and the top of the cylinder cover (3) is provided with a rotating disk (11); The bottom of the rotating disk (11) is fixedly connected to a limiting cylinder (13), the top edge of the rotating disk (11) is fixedly connected to a rotating rod (12), a grinding precision adjustment mechanism is provided in the middle of the rotating disk (11), one side of the limiting cylinder (13) is fixedly connected to a support rod (14), and the bottom of the support rod (14) is fixedly connected to a cleaning brush (15); A blocking plate (7) is provided in the middle of the cylinder (1), one end of the blocking plate (7) extends to the middle of the discharge pipe at the bottom of the inner cavity of the cylinder (1), a moving block (8) is fixedly connected to the top of one end of the blocking plate (7), a first threaded rod (9) is inserted in the middle of the moving block (8), one end of the first threaded rod (9) extends to the outside of the cylinder (1) and is fixedly connected to a rotating knob (10).

2. A household hand-crank coffee grinder according to claim 1, characterized in that: The bottom wall of the second grinding body (17) fits in contact with the top wall of the first grinding body (4), the inner cavity of the cylinder (1) is configured as a conical structure, and the bottom discharge pipe of the cylinder (1) is connected to the inner cavity of the collection drawer (5).

3. A household hand-crank coffee grinder according to claim 1, characterized in that: The first threaded rod (9) is threadedly connected to the moving block (8), the cross-sectional shape of one end of the blocking plate (7) is set to a semicircular structure, and the bottom wall of the cleaning brush (15) is in contact with the top wall of the first grinding body (4).

4. A household hand-crank coffee grinder according to claim 1, characterized in that: The cylinder cover (3) is sleeved on the top of the cylinder body (1), and the cylinder cover (3) is threadedly connected to the cylinder body (1). A handle (6) is fixedly connected to one side of the collection drawer (5). The cross-sectional shape of the limiting cylinder (13) is set to be "T"-shaped, and the limiting cylinder (13) passes through the wall of the cylinder cover (3).

5. A household hand-crank coffee grinder according to claim 1, characterized in that: The grinding precision adjustment mechanism includes an insertion rod (16) fixed to the top of the second grinding body (17), the top end of the insertion rod (16) extends to the inside of the limiting cylinder (13), the top of the rotating disk (11) is provided with a scale line (25), the top of the rotating disk (11) is provided with a second threaded rod (21), the second threaded rod (21) passes through the rotating disk (11) and extends to the inside of the insertion rod (16) to engage with the inner cavity wall of the insertion rod (16).

6. A household hand-crank coffee grinder according to claim 5, characterized in that: A limiting block (18) is fixedly connected to one side of the top end of the insertion rod (16), a limiting slot (19) is provided in the middle of the limiting cylinder (13) at a position corresponding to the limiting block (18), the limiting block (18) is arranged in the middle of the limiting slot (19), and an adjusting knob (20) is fixedly connected to the top of the second threaded rod (21).

7. A household hand-crank coffee grinder according to claim 6, characterized in that: The bottom of the adjusting knob (20) is fixedly connected to a limit ring (22), the cross-sectional shape of the limit ring (22) is set to be "L"-shaped, and the limit ring (22) is embedded in the surface of the rotating disk (11). One side of the adjusting knob (20) is fixedly connected to a pointer (23), and the other side is inserted with a fastening screw (24), and the pointer (23) corresponds to the scale line (25).

Images