CN215533754U

CN215533754U - Novel manual coffee grinder

Info

Publication number: CN215533754U
Application number: CN202121028918.9U
Authority: CN
Inventors: 蒋斌; 弓强
Original assignee: Hangzhou Bainong Artware Co ltd
Current assignee: Hangzhou Bainong Artware Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-01-18
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a novel manual coffee grinder which comprises a grinder body, a top cover, a powder bin, a bottom cover, a knife sharpening assembly, a handle assembly and a middle shaft, wherein the handle assembly is detachably connected with the middle shaft, a middle shaft limiting frame matched with the middle shaft is arranged inside the grinder body, the middle shaft is connected with the middle shaft limiting frame through a plurality of bearings, the knife sharpening assembly comprises a conical knife sharpener fixed at the bottom of the middle shaft and a knife sharpening seat fixed at the bottom of the grinder body, a water seal is arranged between the bottom of the middle shaft and the middle shaft limiting frame, a plurality of bearing steps matched with the bearings are arranged on the inner side of the middle shaft limiting frame, and a spring groove for adjusting a buffer spring and matching with the buffer spring is arranged in the middle of the middle shaft. The top cover can tightly cover the opening at the top of the machine body, so that impurities such as dust and the like can be prevented from entering the machine body to contaminate coffee beans during grinding, the coffee powder is ensured to be clean and sanitary, the middle shaft is rotatably connected to the inner side of the middle shaft limiting frame by adopting a plurality of bearings, the rotation stability and reliability of the middle shaft are ensured, the grinding effect of the knife sharpening assembly is ensured, and the quality of the coffee powder is ensured.

Description

Novel manual coffee grinder

Technical Field

The utility model relates to a food processing device, in particular to a novel manual coffee grinder.

Background

At present, a handle assembly and a middle shaft of a conventional manual coffee machine are usually fixedly connected, a top cover cannot be installed at the top of a machine body, the top of the machine body needs to be opened during grinding due to the structure, impurities such as dust and the like can enter the machine body to contaminate coffee beans, and the cleanness and sanitation of coffee powder are difficult to guarantee; and the axis adopts the support frame to support in the fuselage usually, and the axis rotates to be connected on the support frame, and the rotational stability of axis in this kind of structure can not be ensured, influences knife sharpening assembly's crocus effect, probably influences the quality of coffee powder.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and shortcomings in the prior art, the utility model provides the novel manual coffee grinder, wherein the handle assembly is detachably connected with the middle shaft, the top cover is adopted to tightly cover the opening at the top of the grinder body, so that impurities such as dust and the like are prevented from entering the grinder body to contaminate coffee beans, the coffee powder is ensured to be clean and sanitary, the middle shaft limiting frame is arranged in the grinder body, the middle shaft is rotatably connected to the inner side of the middle shaft limiting frame by adopting a plurality of bearings, the rotation stability and reliability of the middle shaft are ensured, the grinding effect of the knife grinding assembly is ensured, and the quality of the coffee powder is ensured.

The technical scheme of the utility model is as follows: the utility model provides a novel manual coffee grinds machine, includes the fuselage, installs at the top cap at fuselage top, install in the powder storehouse of fuselage bottom, install in the bottom of powder storehouse bottom, install at the inside whetting a knife subassembly of fuselage, install the handle components and connect handle components and whetting a knife subassembly's axis in the top cap outside, the connection can be dismantled to handle components and well axle, the inside centraxonial axis spacing frame that cooperates that is equipped with of fuselage, the axis is connected with the spacing frame of axis through a plurality of bearings, whetting a knife subassembly is including fixing the toper whetting a knife and fixing the seat of whetting a knife in the fuselage bottom at the axis bottom, be equipped with the water seal between centraxonial bottom and the spacing frame of axis, the inboard of axis spacing frame is equipped with the bearing step of a plurality of cooperation bearings, centraxonial middle part is equipped with the spring groove of adjusting buffer spring and cooperation adjusting buffer spring.

The handle assembly is detachably connected with the middle shaft, the top cover is adopted to tightly cover the opening at the top of the machine body, so that impurities such as dust and the like are prevented from entering the machine body to contaminate coffee beans during grinding, the coffee powder is ensured to be clean and sanitary, meanwhile, the middle shaft limiting frame is designed in the machine body, the middle shaft is rotatably connected to the inner side of the middle shaft limiting frame by adopting a plurality of bearings, the rotation stability and reliability of the middle shaft are ensured, the grinding effect of the knife sharpening assembly is ensured, and the quality of the coffee powder is ensured.

Preferably, the handle assembly comprises a handle, a round rocker, a bearing seat and a connecting rod, the bearing seat and the connecting rod are connected with the handle and the round rocker, the top of the bearing seat is screwed into the handle through threads, the connecting rod is inserted into the bearing seat, the tail end of the connecting rod is fixed on the bearing seat through a snap spring, and the bottom of the connecting rod is screwed on one end of the round rocker through threads and is locked through a locking nut.

The structure ensures that the handle assembly is light and firm, so that the shaking handle assembly is easy and labor-saving and has good stability.

Preferably, the middle part of the top cover is provided with an upper locking head matched with the round rocker and a lower locking head matched with the upper locking head, the other end of the round rocker is inserted into a screw hole of the upper locking head and is tightened by a screw in the lower locking head, and the middle part of the top cover is provided with a bearing matched with the upper locking head and the lower locking head.

The structure ensures that the assembly between the handle assembly and the top cover is stable and firm, the handle assembly drives the middle shaft to rotate stably and reliably, and the matching part of the upper locking head and the lower locking head is connected with the top cover through the bearing.

Preferably, the top of the middle shaft is connected with the lower locking head through a hexagonal inner threaded rod, the bottom of the lower locking head is provided with an inner hexagonal groove matched with the hexagonal inner threaded rod, and the top of the middle shaft is provided with an outer thread matched with the hexagonal inner threaded rod.

The structure can well realize the detachable assembly of the handle component and the middle shaft, the middle shaft is pulled downwards, the hexagonal internal threaded rod at the top of the middle shaft and the hexagonal groove of the lower locking head can be easily separated, and the top cover can be quickly opened together with the handle component.

Preferably, an adjusting nut is arranged at the top of the middle shaft, an adjusting positioning locking screw matched with the adjusting nut is arranged on the machine body, a glass bead screw is arranged at the front end of the adjusting positioning locking screw, a V-shaped groove matched with the glass bead screw is formed in the side wall of the adjusting nut, anti-skid threads are arranged at the upper part of the adjusting nut, and fine threads are arranged at the lower part of the adjusting nut.

The structure can easily adjust the clearance between the conical knife rest and the knife rest in the knife rest assembly, thereby adjusting the thickness of the milled powder; the V-shaped groove on the side surface of the adjusting nut is used for positioning the end part of the glass bead screw, and the fine thread can be adjusted in a matched mode and can also be waterproof.

Preferably, the interior of the adjusting nut is sealed against the cylindrical surface of the hexagonal internal threaded rod through a small bearing and a small water seal to realize water resistance.

Preferably, the bottom of the conical mill knife is provided with a mill knife bottom plate, the bottom of the middle shaft penetrates into the conical mill knife and is fixed with the mill knife bottom plate through a fixing screw, the inner side of the conical mill knife is fixed with the lower end of the middle shaft through a key groove, and the mill knife bottom plate and the conical mill knife are limited through a limiting bulge.

The structure ensures the fixing firmness and reliability between the conical cutter and the middle shaft.

Preferably, a connecting ring is arranged between the bottom of the machine body and the top of the powder bin, the top cover and the top of the machine body, the top of the connecting ring and the bottom of the machine body, the top of the powder bin and the bottom of the connecting ring, and the bottom cover and the bottom of the powder bin are all connected through a quick thread buckle, and a rubber ring groove is formed in the quick thread buckle.

The structure ensures that the assembly between the top cover and the machine body, between the machine body and the powder bin and between the bottom cover and the powder bin is fast and firm, and the sealing performance is good; simultaneously, the powder bin is conveniently provided with an outer belt (the top of the powder bin is covered with a connecting ring, and the bottom of the powder bin is covered with a bottom cover), and the top of the machine body can be sealed by a tail cover, so that the machine body is suitable for secondary grinding (the top cover is detached and is tightly covered on the top of the machine body by the bottom cover, and coffee beans which are not completely ground in the machine body are sealed).

Drawings

FIG. 1 is an exploded schematic view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the assembly of the cone sharpener and the middle shaft of the present invention;

FIG. 4 is a schematic view of the assembly of the adjusting nut and the middle shaft limiting bracket of the present invention;

FIG. 5 is a schematic view of the assembly of the lower locking head with the hexagonal internal threaded rod of the present invention;

in the figure, 1, a machine body, 2, a powder bin, 3, a top cover, 4, a bottom cover, 5, a center shaft, 6, a conical cutter, 7, a cutter seat, 8, a handle, 9, a bearing seat, 10, a connecting rod, 11, a round rocker, 12, an adjusting nut, 13, an adjusting buffer spring, 14, an adjusting positioning locking screw, 15, a glass bead screw, 16, a connecting ring, 17, an upper locking head, 18, a lower locking head, 19, a hexagonal inner threaded rod, 20, an inner hexagonal groove, 21, a center shaft limiting frame, 22, a water seal, 23, a locking nut, 24, a V-shaped groove, 25, a cutter grinding bottom plate and 26 are limiting bulges.

Detailed Description

The present invention will be described in further detail with reference to the attached drawings, but the present invention is not limited thereto.

As shown in fig. 1-5, a novel manual coffee grinder comprises a machine body 1, a top cover 3 arranged at the top of the machine body 1, a powder bin 2 arranged at the bottom of the machine body 1, install the bottom 4 in powder storehouse 2 bottoms, install the interior whetting a knife subassembly in fuselage 1, install the handle subassembly in the top cap 3 outside and the axis 5 of connecting handle subassembly and whetting a knife subassembly, handle subassembly and axis 5 can be dismantled and connect, the fuselage 1 is inside to be equipped with the axis spacing 21 of cooperation axis 5, axis 5 is connected with axis spacing 31 through three bearing, whetting a knife subassembly is including fixing the toper mill knife 6 in axis 5 bottom and fixing the seat of whetting a knife 7 in fuselage 1 bottom, be equipped with water seal 22 between the bottom of axis 5 and the axis spacing 21, the inboard of axis spacing 21 is equipped with the bearing step of cooperation bearing, the middle part of axis 5 is equipped with the spring groove of adjusting buffer spring 13 and cooperation adjusting buffer spring 13. The handle assembly comprises a handle 8, a round rocker 11, a bearing seat 9 and a connecting rod 10, wherein the bearing seat 9 and the connecting rod 10 are connected with the handle 8 and the round rocker 11, the top thread of the bearing seat 9 is screwed into the handle 8, the connecting rod 10 is inserted into the bearing seat 9, the tail end of the connecting rod 10 is fixed on the bearing seat 9 through a snap spring, and the bottom thread of the connecting rod 10 is screwed on one end of the round rocker 11 and is locked through a locking nut 23. The middle part of the top cover 3 is provided with an upper locking head 17 matched with the round rocker 11 and a lower locking head 18 matched with the upper locking head 17, the other end of the round rocker 11 is inserted into a screw hole of the upper locking head 17 and is tightened by a screw in the lower locking head 18, and the middle part of the top cover 3 is provided with a bearing matched with the upper locking head and the lower locking head. The top of the middle shaft 5 is connected with a lower locking head 18 through a hexagonal internal threaded rod 19, the bottom of the lower locking head 18 is provided with an internal hexagonal groove 20 matched with the hexagonal internal threaded rod 19, and the top of the middle shaft 5 is provided with an external thread matched with the hexagonal internal threaded rod 19. The top of the middle shaft 5 is provided with an adjusting nut 12, the machine body 1 is provided with an adjusting positioning locking screw 14 matched with the adjusting nut 12, the front end of the adjusting positioning locking screw 14 is provided with a glass bead screw 15, the side wall of the adjusting nut 12 is provided with a V-shaped groove 24 matched with the glass bead screw 15, the upper part of the adjusting nut 12 is provided with an anti-skid thread, and the lower part of the adjusting nut 12 is provided with a fine thread. The interior of the adjusting nut 12 is sealed against water by a small bearing and a small water seal against the cylindrical surface of the hexagonal threaded internal rod 19. The bottom of the conical sharpener 6 is provided with a sharpener bottom plate 25, the bottom of the middle shaft 5 penetrates into the conical sharpener 6 and is fixed with the sharpener bottom plate 25 through a fixing screw, the inner side of the conical sharpener 6 and the lower end of the middle shaft 5 are fixed through a key slot, and the sharpener bottom plate 25 and the conical sharpener 6 are limited through a limiting bulge 26. Be equipped with a clamping ring 16 between the bottom of fuselage 1 and the top in powder storehouse 2, between the top of top cap 3 and fuselage 1, between 16 tops of clamping ring and the fuselage 1 bottom, between 2 tops in powder storehouse and the 16 bottoms of clamping ring, all be connected through quick screw thread buckle between bottom 4 and the 2 bottoms in powder storehouse, be equipped with the rubber ring groove in the quick screw thread buckle.

The product of the utility model has the following characteristics:

1. the waterproof performance is good, the bearing can be soaked and washed, the mixed ceramic bearing is adopted, the sealing design is adopted, and the cleaning is avoided;

2. the middle shaft is high in positioning rigidity through the bearing, and is adjusted and tensioned by matching a bearing with the adjusting buffer spring, so that the adjusting effect is better;

3. the threads of the powder bin and the machine body are specially designed, and the powder bin and the machine body are clamped and rapidly matched with a sealing ring for damping sealing;

4. the powder bin bottom cover is convenient for the external belt of the powder bin, and the top can be sealed by a tail cover, so that the powder bin is suitable for secondary grinding;

5. the buffer spring is adjusted to be not exposed and easy to manage;

6. the spindle and the conical cutter are high in assembly precision and good in fixing stability, the cutter seat and the female blade do not need key groove design, and the cutter seat is convenient to disassemble;

7. all parts are designed into a whole, the functions are complete, and the number of parts is minimum;

8. the adjusting nut can be locked and positioned, and the positioning adjusting precision is 0.01mm, so that the adjusting nut is used as a grid for positioning;

9. the outer ring of the machine body is provided with a bulge which is convenient to hold and is not easy to idle;

10. the handle (crown) is internally provided with threads, and is not required to be glued or clamped, so that the handles of different styles can be conveniently replaced;

11. the top cover and the handle assembly are assembled into a whole, and the top cover can be well tightly covered on the bean inlet at the top of the machine body.

Claims

1. A novel manual coffee grinder is characterized in that: the middle shaft grinding device comprises a machine body, a top cover arranged at the top of the machine body, a powder bin arranged at the bottom of the machine body, a bottom cover arranged at the bottom of the powder bin, a grinding component arranged inside the machine body, a handle component arranged outside the top cover and a middle shaft connected with the handle component and the grinding component, wherein the handle component and the middle shaft are detachably connected, a middle shaft limiting frame matched with the middle shaft is arranged inside the machine body, the middle shaft is connected with the middle shaft limiting frame through a plurality of bearings, the grinding component comprises a conical grinding cutter fixed at the bottom of the middle shaft and a grinding seat fixed at the bottom of the machine body, a water seal is arranged between the bottom of the middle shaft and the middle shaft limiting frame, the inner side of the middle shaft limiting frame is provided with bearing steps matched with a plurality of bearings, and the middle part of the middle shaft is provided with a spring groove for adjusting a buffer spring and a buffer spring in matching.

2. A new manual coffee grinder as claimed in claim 1, characterized in that: the handle assembly comprises a handle, a round rocker, a bearing seat and a connecting rod, the bearing seat and the connecting rod are connected with the handle and the round rocker, the top threads of the bearing seat are screwed into the handle, the connecting rod is inserted into the bearing seat, the tail end of the connecting rod is fixed on the bearing seat through a clamp spring, and the bottom threads of the connecting rod are screwed on one end of the round rocker and locked through a locking nut.

3. A new manual coffee grinder as claimed in claim 2, characterized in that: the middle part of top cap is equipped with the last locking head of cooperation round rocker and the lower locking head of the locking head of cooperation, the other end of round rocker inserts in the screw of the locking head of going up and is taut by the screw in the locking head down, the middle part of top cap is equipped with the bearing of the locking head of cooperation upper and lower.

4. A new manual coffee grinder as claimed in claim 3, characterized in that: the top of the middle shaft is connected with the lower locking head through a hexagonal internal threaded rod, the bottom of the lower locking head is provided with an internal hexagonal groove matched with the hexagonal internal threaded rod, and the top of the middle shaft is provided with an external thread matched with the hexagonal internal threaded rod.

5. A new manual coffee grinder as claimed in claim 4, characterized in that: the top of the middle shaft is provided with an adjusting nut, the machine body is provided with an adjusting and positioning locking screw matched with the adjusting nut, the front end of the adjusting and positioning locking screw is provided with a glass bead screw, the side wall of the adjusting nut is provided with a V-shaped groove matched with the glass bead screw, the upper part of the adjusting nut is provided with an anti-skidding thread, and the lower part of the adjusting nut is provided with a fine thread.

6. A new manual coffee grinder as claimed in claim 5, characterized in that: the inner part of the adjusting nut is sealed on the cylindrical surface of the hexagonal inner threaded rod through a small bearing and a small water seal to realize water prevention.

7. A new manual coffee grinder as claimed in claim 1, characterized in that: the bottom of the conical mill knife is provided with a mill knife bottom plate, the bottom of the middle shaft penetrates into the conical mill knife and is fixed with the mill knife bottom plate through a fixing screw, the inner side of the conical mill knife is fixed with the lower end of the middle shaft through a key groove, and the mill knife bottom plate and the conical mill knife are limited through a limiting bulge.

8. A new manual coffee grinder as claimed in claim 1, characterized in that: the powder bin is characterized in that a connecting ring is arranged between the bottom of the powder bin and the top of the powder bin, the top cover and the top of the powder bin are connected through a quick thread buckle, the top of the connecting ring is connected with the bottom of the powder bin, the top of the powder bin is connected with the bottom of the connecting ring, and the bottom of the powder bin is connected with the bottom of the powder bin through a quick thread buckle, and a rubber ring groove is formed in the quick thread buckle.