CN217066063U - Bean grinding assembly and coffee machine - Google Patents

Abstract

The utility model relates to a grind beans subassembly and coffee machine, should grind beans subassembly and include: the base is provided with a bean grinding cavity; the first mill knife is arranged in the bean grinding cavity through a first rotating shaft; the adjusting part is arranged below the base and is connected with the first grinding cutter through a second rotating shaft connected with the first rotating shaft, the adjusting part can drive the second rotating shaft to move up and down, the first rotating shaft and the first grinding cutter are driven to move up and down in the bean grinding cavity, and the gap between the first grinding cutter and the second grinding cutter fixed in the bean grinding cavity is adjusted. The utility model can quickly and conveniently adjust the bean grinding gear of the bean grinding component, and meet the different bean grinding granularity requirements of users; the regulating part is arranged below the base, the bean box can be designed into any shape without considering the requirement of holding by a hand of a human body, and meanwhile, the height of the bean box can be reduced, the overall height of the bean grinding assembly is reduced, and the overall appearance of the bean grinding assembly is attractive.

Description

Bean grinding assembly and coffee machine

Technical Field

The utility model relates to a small household electrical appliances technical field, concretely relates to grind beans subassembly and coffee machine.

Background

The bean grinding pressure type coffee machine on the market at present mostly utilizes bean box rotation to rotate the wheel, drives the cutter head support through sword ring seat screw thread and bean grinder subassembly screw thread and removes, adjusts the clearance of awl sword and sword ring seat support to realize grinding the gear transform. This kind of design is rotatory for the convenience people hand snatchs the beans case, can only be cylindrical with the beans case design, and the beans case height is on the high side, and the rotation of being not convenient for, and needs great regulation dynamics.

Patent application with publication number CN213850244U discloses a grinding device and a bean grinder, which can rotate under the action of a user through a knob assembly to drive a cutter support and a second grinding knife to move up and down, and adjust the distance between the second grinding knife and a first grinding knife, thereby adjusting the thickness of the powder formed after grinding. However, the knob assembly needs to provide a large force to drive the cutter head bracket and the second grinding knife, and the adjustment is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, the present invention is directed to a bean grinding assembly and a coffee machine, which can quickly and conveniently adjust the gear position of the bean grinding assembly to meet the requirements of users for different bean grinding particle sizes; meanwhile, the bean box can be designed into any shape, the height of the bean box can be reduced, different requirements of users are met, and the overall appearance of the bean grinding assembly is attractive.

In order to achieve the above object, the embodiment of the present invention provides a bean grinding assembly, including:

the base is provided with a bean grinding cavity;

the first mill knife is arranged in the bean grinding cavity through a first rotating shaft;

the adjusting part is arranged below the base and is connected with the first grinding knife through a second rotating shaft connected with the first rotating shaft, the adjusting part can drive the second rotating shaft to move up and down so as to drive the first rotating shaft and the first grinding knife to move up and down in the bean grinding cavity, and the first grinding knife and the second grinding knife fixed in the bean grinding cavity are adjusted to form a gap between the first grinding knife and the second grinding knife.

The embodiment of the utility model provides a grind beans subassembly sets up adjusting part through one side below the base to be connected adjusting part and first whetstone through interconnect's first pivot and second pivot, can drive first pivot, second pivot and first whetstone through rotatory adjusting part and reciprocate, adjust the clearance between first whetstone and the second whetstone of grinding the intracavity fixation of beans, and then adjust the mill beans gear of grinding beans subassembly, satisfy user's different mill beans granularity demands, and the gear is adjusted conveniently; in addition, in this embodiment, adjusting part locates the below of base, and the beans case of locating the top of grinding the beans chamber can be designed into arbitrary shapes such as square or polygon without considering the human hand demand, satisfies user's different demands, simultaneously, can reduce the height of beans case, reduces the whole height of grinding the beans subassembly, and the whole appearance that is favorable to grinding the beans subassembly is pleasing to the eye, and conveniently carries.

In some embodiments, the adjusting part includes the knob and with the connecting piece of knob meshing, the second pivot is located the connecting piece and with threaded connection is passed through to the bottom of base, the knob is rotatory can drive the connecting piece is rotatory in order to adjust the second pivot screw in the degree of depth of base, thereby adjust reciprocating of second pivot can guarantee the steady lift of second pivot, and can guarantee the reliable fixed connection of second pivot and base after the beans grinding gear is adjusted.

In some embodiments, the bottom of the base is provided with a first threaded cavity, and the periphery of the second rotating shaft is provided with a first thread matched with the first threaded cavity. The second rotating shaft can be stably lifted through screwing in and screwing out of the first threads in the first thread cavity, and the reliability of adjusting the grinding gear is guaranteed.

In some embodiments, the bean grinding assembly further comprises a bean grinding bracket detachably mounted at the bottom of the base, and the first threaded cavity is arranged on the bean grinding bracket. Through setting up solitary mill beans support to set up first screw cavity on it, the equipment of the adjusting part of being convenient for can improve dismouting efficiency.

In some embodiments, a gasket is arranged between the first rotating shaft and the second rotating shaft, and a mounting position for mounting the gasket is arranged at the top of the first threaded cavity. The gasket is arranged between the first rotating shaft and the second rotating shaft, so that the first rotating shaft is prevented from being driven to rotate when the first knife grinder grinds the beans, and the second rotating shaft is driven to rotate, and the smooth bean grinding is ensured; simultaneously, the top in first screw cavity is equipped with and is used for the installation the mounting groove of gasket can carry on spacingly to the gasket, prevents its arbitrary removal.

In some embodiments, the inner wall of the knob is provided with internal teeth, the connecting member is provided within the knob, and the connecting member has external teeth that mesh with the internal teeth. Through the cooperation of intermeshing's internal tooth and external tooth, can realize the lift of second pivot when rotatory knob, it is convenient to adjust, and labour saving and time saving.

In some embodiments, the bean grinding assembly further comprises a nut connected with the top of the first rotating shaft through threads, the nut is provided with a second thread cavity, second threads matched with the second thread cavity are arranged on the periphery of the top of the first rotating shaft, the first rotating shaft is screwed into the second thread cavity in a regulating mode, the first rotating shaft can be regulated in an up-down moving mode through regulating the depth of the second thread cavity, stable lifting of the first rotating shaft can be guaranteed, and accordingly stable and reliable gear regulation is guaranteed.

In some embodiments, first screw thread chamber is the metal screw thread chamber, second screw thread chamber is the metal screw thread chamber, and is more stable than in the plastic screw thread, and the gear adjustment precision is higher, and the crocus precision is higher.

In some embodiments, grind beans subassembly still include detachably install in the sword ring seat at the top of base, the inner chamber of sword ring seat forms grind the beans chamber, only need more sword ring seat alright set up mill beans gear according to actual need, need not whole change, the commonality is strong, and application scope is wide, and can effectively reduce manufacturing cost.

The embodiment of the utility model provides a still provide a coffee machine, including foretell mill bean subassembly.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

FIG. 1 is a schematic view of a bean grinding assembly according to an embodiment of the present invention;

FIG. 2 is a front cross-sectional view of a bean grinding assembly in accordance with an embodiment of the present invention;

FIG. 3 is an exploded view of a bean grinding assembly according to an embodiment of the present invention;

fig. 4 is an assembly schematic diagram of the bean grinding support according to the embodiment of the present invention.

Reference numerals:

1-a base, 11-a bean grinding cavity, 12-a first threaded cavity and 13-a mounting cavity; 21-first sharpening, 22-second sharpening; 3-first shaft, 31-second thread; 4-adjusting part, 41-knob, 411-internal teeth, 42-connecting piece, 421-external teeth; 5-second shaft, 51-first thread; 6-bean grinding support and 61-mounting groove; 7-a gasket; 8-a nut; 9-cutter ring seat.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Fig. 1 to 4 are schematic diagrams showing the overall structure of a bean grinding assembly according to an embodiment of the present invention (the direction of the curved arrow in fig. 1 is the rotation direction of the adjustment member). As shown in fig. 1 to 4, an embodiment of the present invention provides a bean grinding assembly, including:

a base 1, on which a bean grinding chamber 11 is arranged;

the first mill knife 21 is arranged in the bean grinding cavity 11 through the first rotating shaft 3;

the adjusting part 4 is arranged below the base 1 and is connected with the first sharpening blade 21 through a second rotating shaft 5 connected with the first rotating shaft 3, the adjusting part 4 can drive the second rotating shaft 5 to move up and down, so that the first rotating shaft 3 and the first sharpening blade 21 are driven to move up and down in the bean grinding cavity 11, and the gap between the first sharpening blade 21 and a second sharpening blade 22 fixed in the bean grinding cavity 11 is adjusted.

The embodiment of the utility model provides a grind beans subassembly sets up adjusting part 4 through one side below base 1 to be connected adjusting part 4 and first whetstone 21 through interconnect's first pivot 3 and second pivot 5, can drive first pivot 3, second pivot 5 and first whetstone 21 through rotating adjusting part 4 and reciprocate, adjust the clearance between first whetstone 21 and the second whetstone 22 of grinding beans intracavity 11 internal fixation, and then adjust the mill beans gear of grinding beans subassembly, satisfy user's different mill beans granularity demands, and the gear is adjusted conveniently; in addition, in this embodiment, the adjusting component 4 is disposed below the base 1, and the bean box (not shown in the figure) disposed above the bean grinding chamber 11 can be designed into any shape such as a square or polygon without considering the requirement of holding by a hand of a human body, so as to meet different requirements of a user (for example, the requirement of capacity or appearance of the bean box), and at the same time, the height of the bean box can be reduced, the overall height of the bean grinding assembly is reduced, which is beneficial to the overall appearance of the bean grinding assembly to be beautiful, and is convenient to carry.

Specifically, different milling gears correspond to different milling grain sizes. The first sharpening blade 21 is a conical blade with a certain taper, and gaps with different widths are formed between different positions of the conical blade and the side wall of the bean grinding cavity 11, so that the bean grinding gear can be adjusted by the up-and-down movement of the conical blade. In this embodiment, the bean grinding gears at least include coarse-grain gears and fine-grain gears, and are realized by dividing the conical cutter along the height direction thereof.

As shown in fig. 1, the adjusting member 4 is rotated in a first direction (e.g., clockwise) to push the second rotating shaft 5 to ascend, the second rotating shaft 5 ascends to push the first rotating shaft 3 butted with the second rotating shaft 5 to ascend, and then the first mill knife 21 connected to the first rotating shaft 3 is driven to ascend in the bean grinding chamber 11, so that a gap between the first mill knife 21 and a side wall of the bean grinding chamber 11 is reduced, and a requirement of fine-grain bean grinding can be met; the adjusting part 4 is rotated along a second direction (for example, the counterclockwise direction) opposite to the first direction to drive the second rotating shaft 5 to descend, the second rotating shaft 5 descends to drive the first rotating shaft 3 butted with the second rotating shaft 5 to descend, and then the first mill knife 21 connected with the first rotating shaft 3 is driven to descend in the bean grinding cavity 11, so that the gap between the first mill knife 21 and the second mill knife 22 is increased, and the requirement of coarse-grain bean grinding can be met.

In other implementations, the grinding range may also include a medium grade range. In specific implementation, a plurality of sub-grade gears can be respectively included in the coarse grade gear, the medium grade gear and the fine grade gear, and the cone knife is divided along the height direction of the cone knife.

In this embodiment, the conical cutter is preferably a spiral conical cutter, so as to increase the bean grinding contact area of the conical cutter and improve the bean grinding efficiency.

In other embodiments, the burr of the first burr 21 may be a spiral burr without taper, and in this case, the side wall of the bean grinding cavity 11 has a certain taper, so that gaps with different widths are formed between the first burr 21 and the second burr 22.

In one embodiment, the first blade 21 and the second blade 22 may have a taper to cooperate with each other to form gaps of different widths.

In some embodiments, as shown in fig. 2 and 3, the adjusting component 4 includes a knob 41 and a connecting component 42 engaged with the knob 41, the second rotating shaft 5 is disposed on the connecting component 42 and is connected to the bottom of the base 1 through a screw thread, and the rotation of the knob 41 can drive the connecting component 42 to rotate to adjust the depth of the second rotating shaft 5 screwed into the base 1, so as to adjust the up-and-down movement of the second rotating shaft 5. The second rotating shaft 5 is connected with the bottom of the base 1 through threads, so that the second rotating shaft 5 can be stably lifted, and the second rotating shaft 5 can be reliably and fixedly connected with the base 1 after the bean grinding gear is adjusted.

Further, the inner wall of the knob 41 is provided with inner teeth 411, the connecting member 42 is provided in the knob 41, and the connecting member 42 has outer teeth 421 engaged with the inner teeth 411. In this embodiment, the lifting of the second rotating shaft 5 can be realized by the matching of the inner teeth 411 and the outer teeth 421 which are engaged with each other, the adjustment is convenient, and the time and the labor are saved. In addition, the first rotating shaft 3 and the second rotating shaft 5 are coaxially butted, so that the first sharpening blade 21 can smoothly ascend and descend when the knob 41 rotates, the first sharpening blade 21 can smoothly run when the beans are sharpened, and the stability is high.

As shown in fig. 2 and 3, the bottom of the base 1 is provided with a first threaded cavity 12, the periphery of the second rotating shaft 5 is provided with a first thread 51 matched with the first threaded cavity 12, and the smooth lifting of the second rotating shaft 5 can be realized by screwing in and screwing out the first thread 51 in the first threaded cavity 12, so that the reliability of the adjustment of the grinding gear is ensured.

In some embodiments, the bean grinding assembly further comprises a bean grinding bracket 6, the bean grinding bracket 6 is detachably mounted at the bottom of the base 1, and a first threaded cavity 12 is arranged on the bean grinding bracket 6. Through setting up solitary mill beans support 6 to set up first screw chamber 12 on it, the equipment of adjusting part 4 of being convenient for can improve dismouting efficiency.

In some embodiments, as shown in fig. 2 to fig. 4, a gasket 7 is disposed between the first rotating shaft 3 and the second rotating shaft 5, so as to prevent the first sharpening blade 21 from driving the first rotating shaft 3 to rotate when the bean grinding operation is performed, and further drive the second rotating shaft 5 to rotate, thereby ensuring smooth bean grinding.

Further, as shown in fig. 4, the top of the first threaded cavity 12 is provided with a mounting groove 61 for mounting the gasket 7, so that the gasket 7 can be limited and prevented from moving arbitrarily.

In some embodiments, as shown in fig. 2, the bean grinding assembly further comprises a nut 8 which is connected with the top of the first rotating shaft 3 through threads, the nut 8 is provided with a second thread cavity, the periphery of the top of the first rotating shaft 3 is provided with a second thread 31 which is matched with the second thread cavity, and the up-and-down movement of the first rotating shaft 3 can be adjusted by adjusting the depth of the first rotating shaft 3 screwed into the second thread 31 cavity. Similar to the second rotating shaft 5, the first rotating shaft 3 is connected with the nut 8 through threads, so that the stable lifting of the first rotating shaft 3 can be guaranteed, and the gear adjustment is stable and reliable.

Preferably, the nut 8 is a cap nut, which is closed at the top and can limit the rising height of the first rotating shaft 3.

In some embodiments, the first threaded cavity 12 and the second threaded cavity are both metal threaded cavities. In the prior art, the connecting thread is usually a plastic part, is easily influenced by injection molding precision, and has poor stability and thread machining precision. In this embodiment, adopt metal screw more stable, the gear adjustment precision is higher, and the crocus precision is higher.

In some embodiments, as shown in fig. 2 and 3, the grinding assembly further comprises a knife ring holder 9 detachably mounted on the top of the base 1, the inner cavity of the knife ring holder 9 forming a grinding chamber 11. In this embodiment, through setting up the installation cavity 13 that is used for installing cutter ring seat 9 on base 1, install cutter ring seat 9 wherein, and the inner chamber of cutter ring seat 9 forms and grinds beans chamber 11, only need more cutter ring seat 9 alright with grind beans gear according to actual need and set up, need not whole change, the commonality is strong, and application scope is wide, and can effectively reduce manufacturing cost.

In this embodiment, when assembling each component of the bean grinding assembly, the first rotating shaft 3 is first screwed and fixed with the nut 8 arranged on the top of the first mill knife 21 through the axial hole of the first mill knife 21, and then the arbor assembly is assembled; then the cutter shaft assembly is inserted into the mounting cavity 13 of the base 1 and fixed at the shaft center. Base 1 and mill beans support 6 pre-assembly fixed, during the equipment, will fix in second pivot 5 twists the second screw thread chamber of grinding beans support 6 earlier to be fixed in grinding beans support 6 with connecting piece 42, install gasket 7 in mounting groove 61 again, and then will grind beans support 6 and base 1 through fasteners such as bolts and be fixed in an organic whole, then, be connected knob 41 and connecting piece 42 meshing. After the cutter shaft assembly is installed in the installation cavity 13, the cutter ring seat 9 is installed in the installation cavity 13, so that the bean grinding assembly is assembled. In a specific implementation, the knob 41 may be assembled with the connecting member 42 after the other components are assembled. In this embodiment, each part of grinding the beans subassembly is rational in infrastructure, easy dismounting, and can effectively reduce the whole height of grinding the beans subassembly, conveniently carries, simultaneously, is favorable to grinding the appearance of beans subassembly pleasing to the eye.

The embodiment of the utility model provides a still provide a coffee machine, including foretell mill bean subassembly.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims (10)

1. A grinding assembly, comprising:

the base is provided with a bean grinding cavity;

the first mill knife is arranged in the bean grinding cavity through a first rotating shaft;

the adjusting part is arranged below the base and is connected with the first grinding knife through a second rotating shaft connected with the first rotating shaft, the adjusting part can drive the second rotating shaft to move up and down so as to drive the first rotating shaft and the first grinding knife to move up and down in the bean grinding cavity, and the first grinding knife and the second grinding knife fixed in the bean grinding cavity are adjusted to form a gap between the first grinding knife and the second grinding knife.

2. The bean grinding assembly of claim 1, wherein the adjustment member comprises a knob and a connecting member engaged with the knob, the second shaft is disposed on the connecting member and is connected to the bottom of the base by a screw, and the rotation of the knob can drive the connecting member to rotate to adjust the depth of the second shaft screwed into the base, thereby adjusting the up-and-down movement of the second shaft.

3. The grinding assembly of claim 2, wherein the base has a first threaded cavity formed in a bottom thereof, and the second shaft has a first thread formed on an outer periphery thereof for engaging the first threaded cavity.

4. The bean grinding assembly of claim 3 further comprising a bean grinding bracket removably mounted to the base, the bean grinding bracket having the first threaded cavity formed therein.

5. The grinding assembly of claim 4, wherein a gasket is disposed between the first rotating shaft and the second rotating shaft, and a mounting position for mounting the gasket is disposed at the top of the first threaded cavity.

6. The grinding assembly of claim 2, wherein the inner wall of the knob is provided with internal teeth, the connecting member is provided within the knob, and the connecting member has external teeth that mesh with the internal teeth.

7. The bean grinding assembly of claim 3 further comprising a nut threadedly coupled to the top of the first shaft, the nut having a second threaded cavity, the top of the first shaft having a second thread disposed on the periphery thereof for engaging the second threaded cavity, wherein the first shaft is adjustable in up and down movement by adjusting the depth to which the first shaft is screwed into the second threaded cavity.

8. The grinding bean assembly of claim 7 wherein the first threaded cavity is a metal threaded cavity and the second threaded cavity is a metal threaded cavity.

9. The grinding assembly of claim 1, further comprising a cutter ring seat removably mounted to a top portion of the base, an inner cavity of the cutter ring seat forming the grinding chamber.

10. Coffee machine, characterized in that it comprises a bean grinding assembly according to any one of claims 1 to 9.

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