Bean bin assembly and coffee machine

Abstract

The utility model discloses a bean bin assembly and a coffee machine. The bean bin assembly comprises a bean bin main body and a material uniformizing piece, and a bean falling opening is formed in the bean bin main body; a bean falling opening is formed in the bean bin main body, the material uniformizing part is arranged in the bean bin main body and covers the bean falling opening, a plurality of material guiding channels are formed in the material uniformizing part, coffee beans falling into the bean bin main body can penetrate through the material guiding channels and then fall out of the bean falling opening, and the cross sectional area of each material guiding channel is smaller than the area of the bean falling opening. According to the technical scheme, the coffee beans can be divided into multiple parts through the material guiding channels before falling out of the bean bin body, the situation that the coffee beans are accumulated due to the fact that the amount of the coffee beans in each material guiding channel is too large is avoided, the coffee beans are distributed more evenly in a dispersed mode, and therefore after the bean falling opening is opened, the coffee beans can be separated from the bean bin body through the material guiding channels. The coffee beans are relatively loose, so that the coffee beans can be more smoothly fallen, and the bean fallen efficiency is higher.

Description

Technical Field

[0001] This utility model relates to the technical field of beverage preparation equipment, specifically to a bean hopper assembly and a coffee machine. Background Technology

[0002] In the coffee-making process, a coffee machine first grinds coffee beans into coffee powder using a grinder, and then uses an appropriate amount of the powder for brewing. The coffee beans are pre-stored in the coffee hopper. When needed, the bean dispenser in the hopper can be opened automatically or manually to dispense the appropriate amount of coffee beans into the corresponding grinder. When there are too many beans stored in the hopper, they can easily be compressed and pile up at the bean dispenser, preventing them from discharging automatically, resulting in slow dispensing or even bean jamming. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, the main purpose of this utility model is to provide a bean hopper component and a coffee machine, which aims to solve the problem that traditional bean hoppers are prone to causing coffee beans to accumulate at the bean outlet, resulting in slow bean dispensing or even bean jamming.

[0004] To achieve the above objectives, this utility model proposes a bean hopper assembly suitable for storing coffee beans, comprising:

[0005] The main body of the bean hopper has a bean dropping opening on it;

[0006] A feed distribution component is disposed inside the bean hopper body and covers the bean drop outlet. The feed distribution component has multiple feed channels, which allow coffee beans falling into the bean hopper body to pass through the multiple feed channels and then fall out from the bean drop outlet.

[0007] In this embodiment, the cross-sectional area of ​​each of the feeding channels is smaller than the area of ​​the bean drop opening.

[0008] Optionally, along the material dropping direction, the end of each of the material guiding channels is located upstream of the bean dropping opening, and the distance between the end of each of the material guiding channels and the bean dropping opening is not less than 4mm.

[0009] Optionally, the material leveling component includes a material leveling grid, which has a plurality of material passing holes arranged in a mesh pattern to form a plurality of material guiding channels.

[0010] Optionally, the material distribution grid has multiple isolation ribs arranged in a crisscross pattern along the transverse and longitudinal directions of the main body of the bean hopper, with each pair of adjacent isolation ribs along the transverse direction and each pair of adjacent isolation ribs along the longitudinal direction forming a material passage hole.

[0011] Optionally, the outermost plurality of the isolation ribs enclose a closed annular area, the annular area being positioned such that its orthographic projection on the plane where the bean drop opening is located completely covers the bean drop opening.

[0012] Optionally, at least one end of a portion of the isolation ribs protrudes from the annular region, and the portion protruding from the annular region extends gradually toward the inner wall of the bean hopper body.

[0013] Optionally, the portion of each of the isolation ribs protruding from the annular area is spaced apart from the inner sidewall of the corresponding bean hopper body.

[0014] Optionally, the distance between the portion of each of the insulating ribs protruding from the annular region and the inner wall of the corresponding bean hopper body is adapted to be greater than twice the size of a coffee bean.

[0015] Optionally, the distance between the portion of each of the isolation ribs protruding from the annular area and the inner wall of the corresponding bean hopper body is 1mm to 1.5mm.

[0016] Optionally, the spacing between two adjacent insulating ribs arranged longitudinally along the main body of the coffee bean container is adapted to be greater than twice the diameter of the coffee bean; and / or,

[0017] The spacing between two adjacent isolation ribs arranged laterally along the main body of the bean hopper is suitable to be greater than twice the diameter of the coffee bean.

[0018] Optionally, the width of each of the isolation ribs is adapted to be smaller than the diameter of the coffee bean.

[0019] Optionally, there are two bean drop openings, and a partition is provided between the two bean drop openings;

[0020] The plurality of isolation ribs enclose two annular regions, and a connecting portion is provided between the two annular regions, the connecting portion being connected to the partition portion.

[0021] Optionally, the partition is provided with a limiting groove; the connecting part includes a connecting block that connects the two annular regions, and the connecting block is engaged in the limiting groove.

[0022] Optionally, each of the annular regions is provided with an installation part, and the main body of the bean hopper is provided with a mating part that cooperates with the installation part. The installation part and the mating part cooperate to detachably fix the uniform grid inside the main body of the bean hopper.

[0023] Optionally, there are multiple mounting parts, which are arranged in a non-linear manner; there are multiple mating parts, which are arranged in a one-to-one correspondence with the multiple mounting parts.

[0024] Optionally, the two annular regions respectively abut against the two sides of the partition portion along the transverse direction of the bean hopper body, and the shape of the isolation ribs provided with the partition portion is adapted to the shape of the partition portion.

[0025] This utility model also provides a coffee machine, including the aforementioned bean hopper assembly.

[0026] The technical solution provided by this utility model has the following beneficial effects:

[0027] The coffee bean hopper assembly provided by this utility model includes a main body and a feed leveling component. The main body can be used to store coffee beans. The feed leveling component covers the bean drop opening of the main body and has multiple feed channels formed on it. When coffee beans fall into the main body, they can pass through the multiple feed channels and then fall out of the drop opening. Before falling out, the coffee beans can be divided into multiple portions by the multiple feed channels, and the cross-sectional area of ​​each feed channel is smaller than the area of ​​the drop opening. This results in a relatively small amount of coffee beans in each feed channel, preventing excessive accumulation and making the distribution of coffee beans more dispersed and even. Therefore, after opening the drop opening, the coffee beans are relatively loose, making the drop smoother and more efficient. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0029] Figure 1 A schematic diagram of an embodiment of a bean hopper assembly provided by this utility model;

[0030] Figure 2 for Figure 1 A schematic diagram of the soybean hopper assembly (excluding the hopper cover) described above;

[0031] Figure 3 for Figure 1 A top view of the bean hopper assembly described herein (excluding the hopper cover and dividers);

[0032] Figure 4 for Figure 3 A structural schematic diagram from another perspective of the bean hopper assembly described herein (excluding the hopper cover and dividers);

[0033] Figure 5 for Figure 4An exploded structural diagram of the bean hopper assembly described herein (excluding the hopper cover and dividers);

[0034] Figure 6 for Figure 1 A schematic diagram of the structure of one embodiment of the uniform material.

[0035] Explanation of icon numbers:

[0036] 100-Bean bin assembly; 1-Bean bin body; 11-Bean drop inlet; 12-Baffle part; 121-Baffle protrusion; 122-Limiting groove; 13-Matching part; 2-Equalizing component; 21-Equalizing grid; 211-Isolation rib; 212-Passing hole; 213-Annular area; 214-Mounting part; 22-Connecting block; 3-Separator; 4-Binding cover.

[0037] The realization of the purpose, functional characteristics and excellent effects of this utility model will be further explained below in conjunction with specific embodiments and accompanying drawings. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] It should be noted that if the embodiments of this utility model involve directional indication, the directional indication is only used to explain the relative positional relationship and movement of each component in a specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0040] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0041] This utility model provides a bean hopper assembly 100 suitable for storing coffee beans. Of course, when the bean hopper assembly 100 is applied to other beverage preparation equipment, such as a soy milk maker, it can also be used to store soybeans, black beans, or red beans. For ease of explanation, the following description primarily uses a coffee machine as an example to illustrate the specific structure of the bean hopper assembly 100; other devices can be adapted accordingly.

[0042] Specifically, please refer to Figures 1 to 2 In this embodiment, the bean hopper assembly 100 includes a bean hopper body 1 and a feed leveling component 2. The bean hopper body 1 has a bean drop opening 11. The feed leveling component 2 is disposed inside the bean hopper body 1 and covers the bean drop opening 11. The feed leveling component 2 has multiple feed guiding channels, so that coffee beans falling into the bean hopper body 1 can pass through the multiple feed guiding channels and fall out from the bean drop opening 11.

[0043] In this embodiment, the bean hopper body 1 can be used to store coffee beans. The feed distribution member 2 is covered at the bean drop opening 11 of the bean hopper body 1, and multiple feed channels are formed on the feed distribution member 2. When coffee beans fall into the bean hopper body 1, the coffee beans can pass through the multiple feed channels and then fall out from the bean drop opening 11. Since the coffee beans can be divided into multiple portions by the multiple feed channels before falling out, and the cross-sectional area of ​​each feed channel is smaller than the area of ​​the bean drop opening, the amount of coffee beans in each feed channel is relatively small, so as not to be too much and form a pile. Moreover, the distribution of coffee beans is more dispersed and even. Therefore, after the bean drop opening 11 is opened, the coffee beans are relatively loose, the coffee beans fall more smoothly, and the bean dropping efficiency is also higher.

[0044] The bean hopper body 1 is roughly funnel-shaped. When the bean hopper assembly 100 is in normal use, the flared end of the bean hopper body 1 faces upwards, and the constricted end faces downwards. The hopper opening of the bean hopper body 1 faces upwards, and the bean dropper 11 is located at the bottom of the bean hopper body 1, preferably at the lowest point of the bean hopper body 1. The hopper opening can be larger to facilitate pouring coffee beans. Furthermore, guided by the side walls of the bean hopper body 1, the coffee beans flow better towards the bean dropper 11, and coffee beans are less likely to accumulate or remain inside the bean hopper body 1.

[0045] Of course, a lid 4 can be provided at the opening of the bean hopper to seal and preserve the coffee beans, preventing external debris from entering the bean hopper body 1. The lid 4 is rotatable or detachable and is provided at the opening of the bean hopper to facilitate the insertion of coffee beans.

[0046] In this configuration, along the material feeding direction, the end of each of the feeding channels is located upstream of the bean dropper 11, and the distance between the end of each feeding channel and the bean dropper 11 is not less than 4mm. The feeding channels can communicate directly or intermittently with the bean dropper 11, and the material distribution element 2 can form a shield at the bean dropper 11 to prevent the operator's hand from accidentally reaching into and passing through the bean dropper 11 and falling into the burr of the coffee machine below, thus providing better protection and ensuring a more even and smooth feeding.

[0047] As for the uniform distribution component 2, it is used to disperse the coffee beans within the bean hopper body 1, preventing the coffee beans from gathering in one place and causing bean jamming. Preferably, it is combined with Figure 3 and Figure 4 As shown, the material leveling component 2 includes a material leveling grid 21, which has multiple material passage holes 212 arranged in a mesh pattern to form multiple material guiding channels. When coffee beans fall into the bean hopper body 1, they all flow towards the bean drop outlet 11. Before flowing to the bean drop outlet 11, the coffee beans can first flow through the material leveling grid 21 to fall into the multiple material passage holes 212 respectively. The multiple material passage holes 212 separate the coffee beans, preventing them from directly accumulating at the bean drop outlet 11. Instead, they are dispersed and discharged through the multiple material passage holes 212, making the coffee beans more loosely distributed. Therefore, when falling out of the bean drop outlet 11, they flow more smoothly and are less prone to jamming.

[0048] Furthermore, combined Figure 5 and Figure 6 As shown, the uniform feed grid 21 has multiple separating ribs 211 arranged in a crisscross pattern along the transverse and longitudinal directions of the bean hopper body 1. Each pair of adjacent separating ribs 211 in the transverse direction and each pair of adjacent separating ribs 211 in the longitudinal direction together form a feed hole 212. Here, the transverse and longitudinal directions refer to two mutually perpendicular directions in the horizontal direction. For example, the transverse direction refers to the left-right direction along the bean hopper body 1, and the longitudinal direction refers to the front-back direction along the bean hopper body 1. The multiple crisscrossing separating ribs 211 form an array of feed holes 212. When the multiple separating ribs 211 are evenly distributed, the corresponding feed holes 212 are also of uniform size, resulting in more even distribution of coffee beans.

[0049] The outermost plurality of the isolation ribs 211 enclose a closed annular region 213, which, when projected onto the plane of the bean drop opening 11, completely covers the bean drop opening 11. Specifically, the outermost isolation ribs 211 refer to two isolation ribs 211 located at both ends in the transverse direction of the bean hopper body 1, and two isolation ribs 211 located at both ends in the longitudinal direction of the bean hopper body 1. These four outermost isolation ribs 211 enclose a square frame-like region, namely the annular region 213, thereby improving the structural strength of the entire material distribution grid 21 and making it less prone to deformation.

[0050] Preferably, the annular region 213 is arranged in an "arch" shape, so that the top surface of the annular region 213 is arc-shaped, with the highest height at the center and the lowest height at the edge, so that coffee beans are less likely to accumulate on the top surface of the uniform feed grid 21 and are more likely to flow into the feed hole 212.

[0051] Furthermore, combined Figure 4 and Figure 6 As shown, at least one end of a portion of the separating ribs 211 protrudes from the annular region 213, and the portion protruding from the annular region 213 gradually extends closer to the inner wall of the bean hopper body 1. That is, the end of the separating rib 211 that is not on the outermost side protrudes from the annular region 213. By the portion of the separating rib 211 extending from the annular region 213 and approaching the inner wall of the bean hopper body 1, a bean passage gap can be formed between the separating rib 211 and the inner wall of the bean hopper body 1, thereby preventing coffee beans from accumulating around the distribution grid 21.

[0052] Furthermore, the portion of each of the isolation ribs 211 protruding from the annular region 213 is spaced apart from the inner wall of the corresponding bean hopper body 1. On the one hand, each of the isolation ribs 211 will not form a barrier between itself and the inner wall of the bean hopper body 1, causing the coffee beans to be blocked at the end of the isolation rib 211. On the other hand, the above-mentioned spacing can form a bean passage, thereby separating the coffee beans and facilitating the dispersion of the coffee beans.

[0053] Preferably, the distance between the portion of each of the separating ribs 211 protruding from the annular region 213 and the inner wall of the corresponding bean hopper body 1 is suitable to be more than twice the size of the coffee bean. The larger distance makes it easier for the coffee bean to pass through and will not cause the coffee bean to get stuck in the distance.

[0054] Preferably, the distance between the portion of each isolation rib protruding from the annular area and the inner wall of the corresponding bean hopper body is 1mm to 1.5mm, which achieves the best bean dropping effect and prevents beans from getting stuck.

[0055] The spacing between two adjacent isolation ribs 211 arranged along the longitudinal direction of the bean hopper body 1 is suitable to be greater than twice the diameter of the coffee bean, so that the coffee bean is not easily stuck between the two adjacent isolation ribs 211 along the longitudinal direction of the bean hopper body 1.

[0056] Similarly, the spacing between two adjacent isolation ribs 211 arranged in the transverse direction of the bean hopper body 1 is suitable to be greater than twice the diameter of the coffee bean, so that the coffee bean is not easily stuck between two adjacent isolation ribs 211 in the transverse direction of the bean hopper body 1.

[0057] Therefore, no matter which direction the coffee beans fall onto the uniform grid 21, they will not accumulate or get stuck on the isolation ribs 211, resulting in smoother material flow.

[0058] Furthermore, the width of each of the isolation ribs 211 is adapted to be smaller than the diameter of the coffee bean. When the coffee bean falls into the bean hopper body 1, the coffee bean is not easily placed on the isolation rib 211 because the width of the isolation rib 211 is relatively small.

[0059] In one embodiment, two bean-dropping openings 11 are provided, with a partition 12 between the two openings. Both openings 11 are located at the bottom of the bean storage body 1, and the partition 12 separates them to opposite sides. Multiple separating ribs 211 enclose two annular regions 213, with a connecting portion between them. This connecting portion connects to the partition 12, better defining the position of the uniform feed grid 21. This ensures that the two annular regions 213 correspond better to the two bean-dropping openings 11, guaranteeing smooth bean delivery from each opening 11.

[0060] Preferably, combined with Figure 4 and Figure 5 As shown, the partition 12 includes a partition protrusion 121 protruding from the bottom of the bean hopper body 1. The partition protrusion 121 extends longitudinally along the bean hopper body 1 to separate the two bean drop outlets 11 on both sides of the partition protrusion 121 in the lateral direction.

[0061] Furthermore, a limiting groove 122 is provided on the partition portion 12, with the opening of the limiting groove 122 facing upwards. The limiting groove 122 extends longitudinally along the main body of the bean hopper 1 and is open on both sides along its transverse direction. The connecting portion includes a connecting block 22 connecting the two annular regions 213. The connecting block 22 is engaged within the limiting groove 122 to initially limit the material distribution grid 21 onto the main body of the bean hopper 1.

[0062] Furthermore, the two annular regions 213 respectively abut against the two sides of the partition portion 12 along the transverse direction of the bean hopper body 1, and the shape of the isolation ribs 211 provided with the partition portion 12 is adapted to the shape of the partition portion 12. The connecting block 22 abuts against the two sides of the limiting groove 122 along the longitudinal direction of the bean hopper body 1 to limit the material leveling grid 21 along the longitudinal direction of the bean hopper body 1; furthermore, by the two isolation ribs 211 located on both sides of the partition protrusion 121 abutting against the two sides of the partition protrusion 121 along the transverse direction of the bean hopper body 1, the material leveling grid 21 is limited in all directions in the horizontal direction, which can better restrict the material leveling grid 21 to the bean hopper body 1.

[0063] In addition, combined Figure 2 As shown, a divider 3 may also be provided inside the bean hopper body 1. The divider 3 extends vertically and is pressed against the partition protrusion 121. The divider 3 divides the bean hopper body 1 into two storage chambers, with two bean droppers 11 corresponding to the two storage chambers respectively, allowing different types of coffee beans to be stored in the two storage chambers, thus providing more diverse storage options. Furthermore, by pressing the divider 3 against the top of the connecting block 22, the evenly spaced grid 21 is further prevented from shaking.

[0064] Furthermore, combining Figure 4 and Figure 5 As shown, each of the annular regions 213 is provided with an installation part 214, and the bean hopper body 1 is provided with a mating part 13 that cooperates with the installation part 214. The installation part 214 and the mating part 13 cooperate to detachably fix the uniform feed grid 21 inside the bean hopper body 1. After the position of the uniform feed grid 21 is initially defined by the limiting groove 122, the installation part 214 and the mating part 13 are further connected and cooperated to completely fix the uniform feed grid 21 inside the bean hopper body 1, ensuring that the uniform feed grid 21 is not easily displaced during the bean dropping process.

[0065] Preferably, multiple mounting portions 214 are provided, and the multiple mounting portions 214 are arranged in a non-linear manner; multiple mating portions 13 are provided, and the multiple mating portions 13 are arranged in a one-to-one correspondence with the multiple mounting portions 214. Through the cooperation of the multiple mounting portions 214 and the multiple mating portions 13, the connection between the bean hopper body 1 and the uniform feed grid 21 is made more reliable.

[0066] More preferably, the mounting part 214 includes mounting holes on the material leveling grid 21, the mating part 13 includes first mounting studs protruding from the bottom of the bean hopper body 1, and the bean hopper assembly 100 further includes connectors, which can be screws, bolts, or pins. The connectors pass through the corresponding first mounting studs and mounting holes to fix the material leveling grid 21 into the bean hopper body 1, ensuring a more reliable connection. During assembly, the material leveling grid 21 can be initially positioned horizontally by the partition protrusions 121, allowing each first mounting stud to better align with its corresponding mounting hole, thus facilitating the locking of the connectors.

[0067] Furthermore, preferably, three mounting portions 214 are provided, and the three mounting portions 214 are arranged in a triangular pattern, so that the material leveling grid 21 and the bean hopper body 1 form a triangular connection relationship, which is more stable. One of the mounting portions 214 is provided on one of the annular regions 213, and the other two mounting portions 214 are provided on the other annular region 213, and are symmetrically arranged on both sides of the aforementioned mounting portion 214, so that the material leveling grid 21 is subjected to more balanced force and has better stability.

[0068] It is understood that the arrangement of the material leveling component 2 is not limited to the material leveling grid 21. In other embodiments, the material leveling component 2 may also include a honeycomb-shaped material leveling block. The cross-section of the guiding channel on the material leveling block may be circular, triangular, or irregular. The shape of the material leveling block and the shape of the guiding channel are not specifically limited and can be reasonably arranged according to the size of the space inside the specific bean silo body 1.

[0069] This utility model also provides a coffee machine, which includes the aforementioned bean hopper assembly 100. The bean hopper assembly 100 enables the coffee machine to dispense beans more evenly when making coffee and reduces the likelihood of bean jamming, thus making the coffee making efficiency higher.

[0070] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structure made using the contents of the present utility model specification and drawings, or directly or indirectly applied to other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A bean bin assembly adapted to store coffee beans, characterized in that, The application relates to a coffee bean hopper, which comprises: a bean hopper body, wherein a bean dropping hole is formed on the bean hopper body; a material uniformizing element arranged in the bean hopper body and covering the bean dropping hole, wherein a plurality of material guiding channels are formed on the material uniformizing element, so that coffee beans falling into the bean hopper body can pass through the plurality of material guiding channels and then fall out of the bean dropping hole; wherein the cross-sectional area of each material guiding channel is smaller than the area of the bean dropping hole.

2. The hopper assembly of claim 1, wherein, In the dropping direction, the end of each material guiding channel is located upstream of the bean dropping hole, and the distance between the end of each material guiding channel and the bean dropping hole is not less than 4 mm.

3. The hopper assembly of claim 1, wherein, The material uniformizing element comprises a material uniformizing grid, wherein a plurality of material passing holes are arranged in a mesh shape on the material uniformizing grid, and the plurality of material passing holes form the plurality of material guiding channels.

4. The hopper assembly of claim 3, wherein, The material uniformizing grid has a plurality of isolation ribs arranged in a cross shape along the transverse direction and the longitudinal direction of the bean hopper body, and each adjacent two isolation ribs along the transverse direction and each adjacent two isolation ribs along the longitudinal direction jointly form a material passing hole.

5. The hopper assembly of claim 4, wherein, The outermost plurality of isolation ribs jointly form a closed annular region, and the annular region is completely arranged on the bean dropping hole in the normal projection on the plane of the bean dropping hole.

6. The hopper assembly of claim 5, wherein, At least one end of a part of the isolation ribs is arranged to protrude from the annular region, and the part protruding from the annular region gradually extends towards the inner side wall of the bean hopper body.

7. The hopper assembly of claim 6, wherein, The part of each isolation rib protruding from the annular region is arranged to be spaced apart from the corresponding inner side wall of the bean hopper body.

8. The hopper assembly of claim 7, wherein, The spacing between the part of each isolation rib protruding from the annular region and the corresponding inner side wall of the bean hopper body is greater than twice the diameter of a coffee bean.

9. The hopper assembly of claim 7, wherein, The spacing between the part of each isolation rib protruding from the annular region and the corresponding inner side wall of the bean hopper body is 1 mm to 1.5 mm.

10. The hopper assembly of claim 4, wherein, The spacing between two adjacent isolation ribs along the longitudinal direction of the bean hopper body is greater than twice the diameter of a coffee bean; and / or The spacing between two adjacent isolation ribs along the transverse direction of the bean hopper body is greater than twice the diameter of a coffee bean.

11. The hopper assembly of claim 4, wherein, The width of each isolation rib is less than the diameter of a coffee bean.

12. The hopper assembly of claim 5, wherein, The bean dropping hole is provided with two bean dropping holes, and a blocking part is arranged between the two bean dropping holes. The plurality of isolation ribs jointly form two annular regions, and a connecting part is arranged between the two annular regions, and the connecting part is connected with the blocking part.

13. The hopper assembly of claim 12, wherein, The blocking part is provided with a limiting groove, and the connecting part comprises a connecting block arranged between the two annular regions, and the connecting block is clamped in the limiting groove.

14. The hopper assembly of claim 12, wherein, Each annular region is provided with a mounting part, and the bean hopper body is provided with a matching part matched with the mounting part, and the mounting part and the matching part are matched to detachably fix the material uniformizing grid in the bean hopper body.

15. The hopper assembly of claim 14, wherein, The mounting part is provided with a plurality of mounting parts arranged in a non-linear manner, and the matching part is provided with a plurality of matching parts corresponding to the plurality of mounting parts.

16. The hopper assembly of claim 12, wherein, Two of the annular regions are respectively abutted to two sides of the bean bin body along the transverse direction of the barrier, and the shape of the isolation rib matched with the barrier is matched with the shape of the barrier.

17. A coffee maker characterized in that, The bean bin assembly comprises the bean bin assembly as claimed in any one of claims 1 to 16.

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