Powder sweeper, brewing unit and coffee machine
By designing a detachable dust collector and brewing unit connection structure in the coffee machine, the problem of the dust collector being impossible to clean is solved, achieving convenient cleaning and improved food safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG LINK PLUS TECH GRP CO LTD
- Filing Date
- 2025-06-13
- Publication Date
- 2026-04-21
AI Technical Summary
The powder sweeper of existing fully automatic coffee machines is fixed on the brewing rack and cannot be removed for cleaning along with the brewing unit, which leads to food safety hazards and installation inconvenience.
A structure was designed that allows for detachable connection between the dust collector and the brewing unit. The dust collector is detachable via an L-shaped hook and a sliding groove, allowing it to be removed from the brewing support along with the brewing unit, and can also be disassembled separately for easy cleaning.
It enables convenient cleaning of the powder sweeper, avoids food safety issues, simplifies the installation process, and improves the cleanliness and safety of the equipment.
Smart Images

Figure CN224140607U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of coffee machine technology, specifically to a powder sweeper, a brewing unit, and a coffee machine. Background Technology
[0002] Existing fully automatic coffee machines integrate functions such as grinding, brewing, stirring, and temperature control to achieve fully automated production of beverages from raw materials to finished products, and are widely used in home and commercial settings.
[0003] The brewing process of a coffee machine refers to the entire process of brewing coffee, including tamping, brewing, and removing coffee grounds. Specifically, coffee grounds enter the brewing chamber and are tamped into a puck. Hot water passes through the puck for extraction. The extracted puck is then pushed out by the pusher and scraped off by the scraper (also known as a duster).
[0004] In the technical solution mentioned in CN 222194751 U, the scraper is fixedly installed on the brewing rack and cannot be removed for cleaning with the brewing unit, which poses a food safety hazard. At the same time, when installing the brewing unit after cleaning, it is also difficult to align and install it because the scraper is fixed on the brewing rack.
[0005] Therefore, in order to enable the dust collector to be cleaned more effectively, this application proposes a dust collector that can be removed and cleaned together with the brewing unit, the brewing unit, and the coffee machine. Utility Model Content
[0006] To address the shortcomings of existing technologies, this invention provides a powder sweeper, a brewing unit, and a coffee machine, solving the problem of the powder sweeper requiring constant cleaning in existing fully automatic coffee machines.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a powder sweeper, comprising a connecting rod drive structure and a powder sweeping part, wherein the powder sweeping part and the connecting rod drive structure are detachably connected, and both ends of the powder sweeping part are provided with L-shaped hooks at their lower edges.
[0008] This implementation method, with a relatively simple structure, allows the powder sweeper to be removed from the brewing support along with the brewing unit, and can also be removed separately from the brewing unit, thus facilitating individual cleaning and avoiding food safety issues.
[0009] Preferably, the end of the powder sweeping part is engaged with the connecting rod drive structure.
[0010] Preferably, the end of the powder sweeping part is provided with a slot, and the connecting rod drive structure is provided with a plug.
[0011] Preferably, at least one of the hooks is detachably connected to the powder sweeping part.
[0012] To achieve the above objectives, the present invention also provides the following technical solution: a brewing unit, including the powder sweeper as described above, and a brewing chamber, wherein both ends of the brewing chamber are provided with sliding grooves that cooperate with hooks.
[0013] Preferably, at least one end of the groove is open, allowing the hook to slide out of the groove.
[0014] Preferably, the powder sweeping part is further provided with a first fixing hook, and the brewing chamber is further provided with a second fixing hook, and a tension spring is provided between the first fixing hook and the second fixing hook.
[0015] Preferably, the brewing chamber has a box-shaped structure, with a tubular column in the middle to form a chamber for brewing, and the two ends of the brewing chamber are not sealed to form a chute, and the fixing hook is located on the side wall of the brewing chamber facing the direction of movement of the powder sweeping part.
[0016] To achieve the above objectives, the present invention also provides the following technical solution: a coffee machine, including the brewing unit as described above, and a cavity cover surrounding the axial sidewall of the brewing cavity, wherein at least two cavity covers are provided, and both are detachably connected to the brewing cavity.
[0017] Preferably, it also includes a bracket, which is connected to the cavity cover, and the connecting rod drive structure is fixedly connected to the bracket.
[0018] Compared with the prior art, this utility model provides a powder sweeper, a brewing unit, and a coffee machine, which have the following beneficial effects:
[0019] The coffee scavenger, brewing unit, and coffee machine are designed with a simple structure that allows the coffee scavenger to be removed from the brewing support along with the brewing unit, and can also be removed separately from the brewing unit for easy individual cleaning, thus avoiding food safety issues. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the three-dimensional assembly structure of this coffee machine;
[0021] Figure 2 This is a schematic diagram of the exploded structure of this coffee machine;
[0022] Figure 3 This is an exploded structural diagram of the dust collector and brewing unit.
[0023] Figure 4 This is a schematic diagram of the powder scraping action of this powder sweeper.
[0024] In the picture:
[0025] 1. Powder sweeper; 11. Powder sweeping part; 12. Hook; 13. First fixing hook; 14. Slot;
[0026] 3. Brewing chamber; 31. Second fixing hook; 32. Slide groove; 33. Chamber cover;
[0027] 4. Tension spring;
[0028] 5. Linkage drive structure; 51. Plug;
[0029] 6. Bracket. Detailed Implementation
[0030] 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.
[0031] Example 1:
[0032] Please see Figure 1-4 The present invention provides the following technical solution: a powder sweeper 1, including a connecting rod drive structure 5 and a powder sweeping part 11, the powder sweeping part 11 and the connecting rod drive structure 5 are engaged, and L-shaped hooks 12 are provided at the lower edges of both ends of the powder sweeping part 11.
[0033] The end of the powder sweeping part 11 is provided with a slot 14, and the connecting rod drive structure 5 is provided with a plug 51. At least one hook 12 is detachably connected to the powder sweeping part 11.
[0034] As an optional implementation of this utility model, during the dust removal process, the linkage drive structure 5 drives the dust removal part 11 to reciprocate on the brewing chamber 3. Due to the limiting effect of the hook 12, the movement of the dust removal part 11 can scrape off the coffee powder cake located on the surface of the brewing chamber 3. During cleaning, because the dust removal part 11 is detachably connected to the linkage drive structure 5, the dust removal part 11 can be removed from the brewing support 6 along with the brewing unit. Furthermore, because the hook 12 is detachably connected to the dust removal part 11, the dust removal part 11 can be removed separately from the brewing unit, facilitating individual cleaning of the dust removal part 11 and avoiding food safety hazards. After cleaning, the dust removal part 11 is first installed on the brewing unit, where the L-shaped hook 12 hooks onto the brewing chamber 3. Then, the brewing unit is installed on the brewing support 6, and finally, the dust removal part 11 is connected to the linkage drive mechanism.
[0035] In this embodiment, the linkage drive mechanism can be any linkage drive mechanism as in the prior art (CN222194751U), or other mechanisms that can achieve linear reciprocating motion can be used. This technical solution does not impose any specific limitations on this.
[0036] For the plug 51 and the slot 14, the common snap-fit method is used. Of course, other detachable connection methods can also be used in this technical solution. This embodiment will not elaborate on this in detail. It is worth noting that due to the design of the hook 12, the movement of the powder sweeping part 11 is not prone to angular deviation. Therefore, the detachable connection method can be adopted in a simpler way, which can also save costs better.
[0037] With the above structure, in a relatively simple way, after the brewing unit is removed from the brewing support 6, the powder sweeper 1 can be removed from the brewing support 6 together, and can also be removed separately from the brewing unit, so as to facilitate separate cleaning and avoid food safety issues.
[0038] Example 2:
[0039] Please see Figure 1-3 To achieve the above objectives, the present invention also provides the following technical solution: a brewing unit, including a powder sweeper 1, the powder sweeper 1 including a connecting rod drive structure 5 and a powder sweeping part 11, the powder sweeping part 11 being engaged with the connecting rod drive structure 5, and the lower edges of both ends of the powder sweeping part 11 being provided with L-shaped hooks 12.
[0040] It also includes a brewing chamber 3, both ends of which are provided with a groove 32 that cooperates with the hook 12. At least one end of the groove 32 is open, so that the hook 12 can slide out of the groove 32.
[0041] As an optional implementation of this utility model, when the powder sweeping part 11 is removed from the brewing unit, the slide groove 32 allows the hook 12 to slide directly out of the slide groove 32, so the entire powder sweeping part 11 can be removed from the brewing unit separately. Compared with the method of detachably connecting the hook 12 and the powder sweeping part 11 in embodiment 1, the structure of this technical solution is simpler, the manufacturing cost is lower, and it is easier to perform disassembly and assembly operations.
[0042] Furthermore, the powder sweeping part 11 is also provided with a first fixing hook 13, and the brewing chamber 3 is also provided with a second fixing hook 31. A tension spring 4 is provided between the first fixing hook 13 and the second fixing hook 31, so that when the powder sweeping part 11 moves to the other end of the brewing chamber 3, it can be pulled back by the reaction force of the tension spring 4. Of course, when the initial state of the tension spring 4 is the stretched state, when the linkage drive mechanism is reset, the tension spring 4 can ensure that the powder sweeping part 11 will not move into the area covered by the powder cake during the brewing process. This can ensure that there will be no quality problems in the extraction, pressing of powder cake and other processes due to external factors.
[0043] Furthermore, the brewing chamber 3 has a box-shaped structure, with a tube column in the middle of the brewing chamber 3 to form a chamber during brewing. The two ends of the brewing chamber 3 are not sealed to form a chute 32, and the fixing hook is located on the side wall of the brewing chamber 3 directly opposite to the moving direction of the powder sweeping part 11.
[0044] As an optional implementation of this utility model, compared with the existing brewing chamber 3 (CN222194751U), this technical solution, through the design of the box-shaped brewing chamber 3, can be used in conjunction with Embodiment 1 and the above-mentioned powder sweeping part 11, ensuring the effective function of the powder sweeping part 11 in the normal powder cake scraping and the function of separate disassembly.
[0045] Example 3:
[0046] Please see Figure 1-3 To achieve the above objectives, the present invention also provides the following technical solution: a coffee machine, including the brewing unit as described above, and a cavity cover 33 surrounding the axial side wall of the brewing cavity 3. At least two cavity covers 33 are provided, and both are detachably connected to the brewing cavity 3. The machine also includes a bracket 6, which is connected to the cavity cover 33, and a connecting rod drive structure 5 is fixedly connected to the bracket 6.
[0047] As an optional implementation of this utility model, the cavity cover 33 and the detachable connection between the cavity cover 33 and the brewing unit, and the linkage drive structure 5 fixedly connected to the bracket 6 are all existing solutions, and this embodiment will not elaborate on them further.
[0048] The working principle and usage process of this utility model are as follows: During dust removal, the linkage drive structure 5 drives the dust removal part 11 to reciprocate on the brewing chamber 3. Due to the limiting effect of the hook 12, the movement of the dust removal part 11 can scrape off the coffee powder cake located on the surface of the brewing chamber 3. During cleaning, because the dust removal part 11 is detachably connected to the linkage drive structure 5, the dust removal part 11 can be removed from the brewing support 6 along with the brewing unit. Furthermore, because the hook 12 is detachably connected to the dust removal part 11, the dust removal part 11 can be removed separately from the brewing unit, facilitating individual cleaning of the dust removal part 11 and avoiding food safety hazards. After cleaning, first install the dust removal part 11 on the brewing unit; the L-shaped hook 12 can hook onto the brewing chamber 3. Then, install the brewing unit on the brewing support 6. Finally, connect the dust removal part 11 to the linkage drive mechanism.
[0049] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A duster comprising a link drive structure and a duster portion, characterized in that, The powder sweeping part is detachably connected to the connecting rod drive structure, and L-shaped hooks are provided at the lower edges of both ends of the powder sweeping part; The end of the powder sweeping part is engaged with the connecting rod drive structure; The powder sweeping part has a slot at its end, and the connecting rod drive structure has a plug.
2. The duster of claim 1, wherein, At least one of the hooks is detachably connected to the powder sweeping part.
3. Brewing unit comprising the duster according to any one of claims 1-2, characterized in that, It also includes a brewing chamber, both ends of which are provided with sliding grooves that engage with hooks.
4. The brewing unit according to claim 3, characterized in that, At least one end of the groove is open, allowing the hook to slide out of the groove.
5. The brewing unit according to claim 3, characterized in that, The powder sweeping part is also provided with a first fixing hook, and the brewing chamber is also provided with a second fixing hook. A tension spring is provided between the first fixing hook and the second fixing hook.
6. The brewing unit according to claim 5, characterized in that, The brewing chamber has a box-shaped structure, with a tubular column in the middle to form a chamber for brewing. The two ends of the brewing chamber are not sealed to form a chute. The fixing hook is located on the side wall of the brewing chamber facing the direction of movement of the powder sweeping part.
7. Coffee machine comprising a brewing unit as claimed in any one of the claims 4-5, characterized in that, It also includes a cavity cover surrounding the axial sidewall of the brewing cavity, wherein at least two cavity covers are provided, and both are detachably connected to the brewing cavity.
8. The coffee maker of claim 7, wherein, It also includes a bracket, which is connected to the cavity cover, and the connecting rod drive structure is fixedly connected to the bracket.
Citation Information
Patent Citations
Powder sweeping mechanism and coffee machine
CN222194751U