WO2025213945A1 - Automatic cleaning apparatus for brewing device - Google Patents

Abstract

An automatic cleaning apparatus for a brewing device, comprising a brewing device (1), a brewing base (2), and a rinsing head (3). The brewing device (1) and the brewing base (2) are oppositely arranged and work in conjunction. The brewing device (1) performs reciprocating motion in the direction towards the brewing base (2). A brewing cavity (11) is arranged in the brewing device (1). The end of the brewing cavity (11) opposite to the brewing base (2) is an opening (111). The brewing cavity (11) is further provided with a powder inlet (112) communicated with the brewing cavity (11). The rinsing head (3) is provided with a water inlet end and a water outlet end. The water inlet end is connected to a water inlet pipe (4). The water outlet end matches the powder inlet (112). During rinsing, rinsing water enters from the powder inlet (112) and flows out of the opening (111), and coffee grounds and wastewater can together fall into a water receiving box, achieving automatic cleaning of the powder inlet (112), and bringing more convenience for consumers to use.

Description

Automatic cleaning device for brewing device Technical Field

The utility model relates to the technical field of coffee machines, in particular to an automatic cleaning brewer device.

Background Art

Many fully automatic coffee machines currently have a tendency to trap coffee grounds in the brewer inlet, especially after repeated brewing. This buildup not only affects aesthetics and hygiene, but can also cause mold and odor if left uncleaned overnight. This can affect the flavor and quality of the coffee, even endangering human health if brewed again. Some coffee machines currently offer manual cleaning of the brewer after each brew.

For example, Chinese utility model patent CN116548816A discloses a coffee brewing system and coffee machine that are easy to clean. The coffee brewing system includes a brewing base and a brewing chamber assembly. The brewing chamber assembly includes a sliding base and a brewing head (i.e., a brewer) mounted on the sliding base. The brewing head is detachably connected to the sliding base. The coffee brewing system also includes a fixed bracket disposed opposite the brewing base; a connecting rod assembly that connects the brewing base and the fixed bracket to form a machine body. The machine body is detachably connected to the coffee machine. The sliding base is connected to the connecting rod assembly and can move relative to the connecting rod assembly toward or away from the brewing base to connect or disconnect the brewing head to the brewing base. While this coffee brewing system can be easily disassembled and cleaned, the brewer is cumbersome to assemble and disassemble, and consumers often forget to clean it.

Therefore above-mentioned prior art still needs to be improved and developed.

Technical Solutions

In view of the above technical problems existing in the prior art, the utility model provides an automatic brewer cleaning device, which can realize automatic cleaning of the powder inlet of the coffee machine brewer.

In order to achieve the above object, the present invention is implemented through the following technical solutions:

The utility model provides an automatic cleaning brewer device, comprising a brewer and a brewing seat, the brewer and the brewing seat being arranged relative to each other and working in coordination, specifically, the brewer and the brewing seat being mounted on the left and right opposite ends of a coffee machine body, the brewing seat being fixed to the left end of the body, the brewing seat being mounted on the right end of the body through a sliding mechanism, the brewing seat being connected to a driving mechanism, and the brewer being able to move linearly back and forth along the direction of the brewing seat in coordination with the sliding mechanism by controlling the driving mechanism, and the direction in which the brewer slides toward the brewing seat being set as the forward direction, the brewer is provided with a plurality of automatic cleaning devices, wherein the brewer is provided with a plurality of automatic cleaning devices, wherein the brewer is provided with a plurality of automatic cleaning devices, wherein the brewer is provided with a plurality of automatic cleaning devices, and the brewing seat ... The direction in which the brewer slides away from the brewing seat is the backward direction, and a brewing cavity is provided in the brewer, and the end of the brewing cavity opposite to the brewing seat is open. The brewing cavity is also provided with a powder inlet connected to the brewing cavity. When it is necessary to brew coffee, the driving mechanism is controlled to move the brewer forward until the end of the brewing head away from the machine body blocks the open opening of the brewing seat, and when the powder drop port of the coffee machine's grinding mechanism corresponds to the powder inlet, the coffee machine automatically adds coffee powder and successively completes the squeezing and brewing of the coffee powder. This part belongs to the existing technology and will not be described in detail.

The present invention also includes a rinse head, which is specifically installed in the body of the coffee machine. Here, preferably, the rinse head is located in front of the powder drop port of the coffee machine's grinding mechanism. The rinse head is provided with a water inlet and a water outlet. The water inlet is connected to a water inlet pipe, and the water outlet matches the powder inlet. When rinsing is required after making coffee or before making coffee, rinsing water enters from the powder inlet and flows out from the opening. That is, the driving mechanism is controlled to slide the brewer under the rinse head. The water outlet of the rinse head docks with the powder inlet. The coffee machine automatically supplies water to the rinse head. The rinsing water rinses the powder inlet and the inside of the brewing chamber. After rinsing, the driving mechanism is controlled to move the brewer backward. The brewing seat is separated from the opening of the brewing chamber, and sewage flows down from the opening. If cleaning is performed after making coffee, coffee grounds and sewage can fall together. Through the above-mentioned structural arrangement, the powder inlet of the brewer can be automatically cleaned. The brewer does not need to be frequently disassembled for manual cleaning, which can meet the needs of consumers.

According to the above solution, the flushing head includes an upper cover and a lower cover fixed to the bottom of the upper cover. A water inlet cavity is formed between the upper and lower covers. The upper cover is provided with a water inlet connected to the water inlet cavity, and the water inlet is fixedly connected to the water inlet pipe. The lower cover is provided with a plurality of water outlets connected to the water inlet cavity. With this structural arrangement, flushing water first enters the water inlet cavity through the water inlet and then flows evenly out of the plurality of water outlets, achieving a good cleaning effect with only a small amount of water.

According to the above solution, the upper cover is shaped like a trumpet with a small top and a large bottom. The top of the lower cover is configured as a structure with an upward convex center. The lower cover is provided with a plurality of water outlet holes distributed around the circumference. This structure allows flushing water to quickly reach the water outlet holes after entering the water inlet cavity from the water inlet, thereby reducing cleaning time and providing a better user experience.

According to the above solution, the bottom of the lower cover is configured to be concave in the middle. With the above structure, when flushing, the concave bottom of the lower cover is more conducive to the downward flow of flushing water, speeding up the flushing of the powder inlet, and after flushing is completed, water is not easily accumulated at the bottom of the lower cover.

According to the above solution, the plurality of water outlet holes are arranged in one or more circles. By the above structural arrangement, the surroundings of the powder inlet can be fully cleaned.

According to the above solution, the bottom of the lower cover is provided with a plurality of drainage grooves circumferentially, and the drainage grooves correspond one to one with the water outlet holes. Through the above structural arrangement, the flushing water can be drained to the edge of the powder inlet, which is conducive to flushing the powder inlet and can effectively prevent the flushing water from leaking.

According to the above solution, the end of the water inlet pipe away from the flushing head is connected to a water pump. Through the above structural arrangement, the flushing power of the flushing water can be enhanced.

According to the above solution, a water receiving box for receiving flushing wastewater is provided below the brewer. Through the above structural arrangement, the water receiving box is also the coffee grounds receiving box of the coffee machine, and flushing can be completed without changing too much structure in the coffee machine.

According to the above solution, a powder pusher is provided in the brewing chamber, away from the opening. The free end of the pusher is provided with a brewing liquid outlet/hot water inlet. The end of the brewing base opposite the brewer is provided with a hot water inlet/brewed liquid outlet. This is prior art. The pusher is primarily used to compact coffee powder and push out coffee grounds after brewing. With the addition of the rinse head in the present invention, the pusher not only pushes the coffee grounds but also acts as a wiper within the brewing chamber, ensuring a cleaner brewing chamber.

Beneficial effects

The beneficial effects of the present invention are:

When rinsing is required after or before making coffee, the present invention can automatically control the drive mechanism to slide the brewer under the rinse head, the water outlet of the rinse head docking with the powder inlet, and the coffee machine automatically supplies water to the rinse head, and the rinse water rinses the powder inlet and the inside of the brewing chamber. After rinsing, the drive mechanism is controlled to move the brewer backward, the brewing seat is separated from the open opening of the brewing chamber, and the sewage flows down from the open opening. If the coffee is rinsed after making coffee, the coffee grounds and the sewage can fall together. In this way, the powder inlet of the brewer can be automatically cleaned, and the brewer does not need to be frequently disassembled for manual cleaning, thereby improving the user experience.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a working state diagram of the utility model for flushing the powder inlet;

FIG2 is a partial structural sectional view of FIG1;

FIG3 is a schematic diagram of the exploded structure of the flushing head of the present invention;

Figure 4 is a schematic structural diagram of the upper cover of the present invention;

Figure 5 is a cross-sectional view of the lower cover of the present invention;

Figure 6 is a top view of the lower cover of the present invention;

FIG7 is a bottom view of the lower cover of the present invention;

FIG8 is a diagram showing the working state of the brewer of the present invention when starting to unload water.

In the figure: 1. brewing device; 2. brewing base; 3. rinsing head; 4. water inlet pipe; 5. water pump; 6. water receiving box; 7. powder pushing rod; 11. brewing chamber; 111. opening; 112. powder inlet; 31. upper cover; 32. lower cover; 311. water inlet; 321. water outlet; 322. drainage groove; 71. free end of the powder pushing rod.

Best Mode for Carrying Out the Invention

The technical solution of the present utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

Example

As shown in Figures 1-3 and 8, the direction indicated by the solid arrow is the flow direction of flushing water, and the direction indicated by the hollow arrow is the movement direction of the brewer 1. The utility model provides an automatic cleaning brewer device, including a brewer 1 and a brewing seat 2, which are arranged relatively to each other and work in conjunction with each other. Specifically, the brewer 1 and the brewing seat 2 are installed at the left and right ends of the coffee machine body, the brewing seat 2 is fixed to the left end of the body, and the brewer 1 is installed at the right end of the body through a sliding mechanism (not shown in the figure). The brewer 1 is connected to a driving mechanism (not shown in the figure). By controlling the driving mechanism, the brewer 1 can be moved back and forth in a straight line along the direction of the brewing seat 2 in cooperation with the sliding mechanism. Here, the brewer 1 is set to the direction The direction in which the brewing seat 2 slides is the forward direction, and the direction in which the brewer 1 slides away from the brewing seat 2 is the backward direction. A brewing cavity 11 is provided in the brewer 1, and an end of the brewing cavity 11 opposite to the brewing seat 2 is an open opening 111. The brewing cavity 11 is further provided with a powder inlet 112 communicated with the brewing cavity 11. When coffee needs to be brewed, the driving mechanism is controlled to move the brewer 1 forward until the end of the brewing seat away from the machine body blocks the open opening 111 of the brewer 1, and when the powder drop port (not shown in the figure) of the coffee machine's bean grinding mechanism corresponds to the powder inlet 112 of the brewer, the coffee machine automatically adds ground coffee powder, and successively completes the extrusion and brewing of the coffee powder. This part belongs to the prior art and will not be described in detail.

The present invention further includes a rinsing head 3, which is specifically installed in the body of the coffee machine. Here, preferably, the rinsing head 3 is located in front of the powder dropping port of the coffee machine's grinding mechanism, and the rinsing head 3 is provided with a water inlet and a water outlet, the water inlet end is connected to the water inlet pipe 4, and the water outlet end is matched with the powder inlet 112. When the coffee is made or the coffee needs to be rinsed before making coffee, the rinsing water enters from the powder inlet 112 and flows out from the opening 111, that is, the driving mechanism is controlled to make the brewer 1 slide under the rinsing head 3, the water outlet end of the rinsing head 3 is docked with the powder inlet 112, and the coffee machine automatically supplies water to the rinsing head 3, and the rinsing water rinses the powder inlet 112 and the inside of the brewing cavity 11. After rinsing, the driving mechanism is controlled to move the brewer 1 backward, the brewing seat 2 is separated from the opening 111 of the brewing cavity 11, and the sewage flows down from the opening 111. If the coffee is cleaned after making the coffee, the coffee grounds and the sewage can fall together. Through the above-mentioned structural arrangement, the powder inlet 112 of the brewer 1 can be automatically cleaned, and the brewer 1 does not need to be frequently disassembled for manual cleaning, which can meet the needs of consumers.

Specifically, the flushing head 3 includes an upper cover 31 and a lower cover 32 fixed to the bottom of the upper cover 31. A water inlet cavity is formed between the upper cover 31 and the lower cover 32. The upper cover 31 is provided with a water inlet 311 communicating with the water inlet cavity. The water inlet 311 is fixedly connected to the water inlet pipe 4. The lower cover 32 is provided with a plurality of water outlet holes 321 communicating with the water inlet cavity. With this structural arrangement, flushing water first enters the water inlet cavity through the water inlet 311 and then flows evenly out of the plurality of water outlet holes 321. Only a small amount of water is required to achieve a good cleaning effect.

As shown in Figures 4-7, the upper cover 31 is shaped like a trumpet with a smaller top and a larger bottom. The lower cover 32 is configured as a structure with an upward protrusion in the middle. The lower cover 32 has a plurality of water outlet holes 321 distributed circumferentially. This structure allows flushing water to quickly reach the water outlet holes 321 after entering the water inlet cavity from the water inlet 311, thereby reducing cleaning time and improving the user experience.

Furthermore, the bottom of the lower cover 32 is configured to be concave toward the middle. With this configuration, when flushing, the concave bottom of the lower cover 32 is more conducive to the downward flow of flushing water, accelerating the flushing of the powder inlet 112, and after flushing is completed, water is less likely to accumulate at the bottom of the lower cover 32.

Furthermore, the plurality of water outlet holes 321 are arranged in a circle. By means of the above-mentioned structural arrangement, the surroundings of the powder inlet 112 can be fully cleaned.

Furthermore, the bottom of the lower cover 32 is provided with a plurality of drainage grooves 322, which correspond one to one with the water outlet holes 321. Through the above-mentioned structural arrangement, the flushing water can be drained to the edge of the powder inlet 112, which is conducive to flushing the powder inlet 112 and can effectively prevent the flushing water from leaking.

As shown in Figure 1, the end of the water inlet pipe 4 away from the flushing head 3 is connected to a water pump 5. Through the above-mentioned structural arrangement, the flushing power of the flushing water can be enhanced.

As shown in Figure 8, a water receiving box 6 for receiving flushing sewage is provided below the brewer 1. Through the above structural arrangement, the water receiving box 6 is also the coffee grounds receiving box of the coffee machine, and flushing can be completed without changing too much structure in the coffee machine.

As shown in Figure 8 , a powder pusher 7 is provided within the brewing chamber 11, away from the opening 111. A brewing liquid outlet is provided at the free end 71 of the powder pusher. A hot water inlet is provided at the end of the brewing base 2 opposite the brewer 1. This is prior art. The powder pusher 7 is primarily used to compact coffee powder and push out coffee grounds after brewing. With the addition of the rinse head 3 in the present invention, the powder pusher 7 not only pushes the coffee grounds but also acts as a wiper within the brewing chamber 11, further cleaning the brewing chamber 11.

The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims (10)

An automatic cleaning brewer device comprises a brewer and a brewing seat, the brewer and the brewing seat being arranged relative to each other and working in conjunction with each other, the brewer being able to reciprocate along the direction of the brewing seat, a brewing cavity being provided in the brewer, the end of the brewing cavity opposite to the brewing seat being open, and a powder inlet being provided on the brewing cavity and communicating with the brewing cavity, characterized in that: It also includes a flushing head, which is provided with a water inlet and a water outlet. The water inlet is connected to the water inlet pipe, and the water outlet matches the powder inlet. During flushing, flushing water enters from the powder inlet and flows out from the open port. The automatic cleaning brewer device according to claim 1 is characterized in that the flushing head includes an upper cover and a lower cover fixed to the bottom of the upper cover, a water inlet cavity is formed between the upper cover and the lower cover, the upper cover is provided with a water inlet connected to the water inlet cavity, the water inlet is fixedly connected to the water inlet pipe, and the lower cover is provided with a plurality of water outlet holes connected to the water inlet cavity. The automatic cleaning brewer device according to claim 2 is characterized in that the top of the lower cover is configured as a structure with an upward protrusion in the middle, and the lower cover has a plurality of water outlet holes distributed circumferentially. The automatic cleaning brewer device according to claim 2 is characterized in that the bottom of the lower cover is configured to be concave toward the middle. The automatic cleaning brewer device according to claim 3 is characterized in that the plurality of water outlet holes are arranged in one or more circles. The automatic cleaning brewer device according to any one of claims 2 to 5 is characterized in that a plurality of drainage grooves are provided at the bottom of the lower cover, and the drainage grooves correspond one-to-one to the water outlet holes. The automatic cleaning brewer device according to claim 2 is characterized in that the upper cover is in the shape of a trumpet with a small top and a large bottom. The automatic cleaning brewer device according to claim 1 is characterized in that the end of the water inlet pipe away from the flushing head is connected to a water pump. The automatic brewer cleaning device according to claim 1 is characterized in that a water receiving box for receiving flushing wastewater is provided below the brewer. The automatic cleaning brewer device according to claim 1 is characterized in that a powder pushing rod is provided in the brewing chamber away from the opening, the free end of the powder pushing rod is provided with a brewing liquid outlet hole/hot water inlet hole, and the end of the brewing seat opposite to the brewer is provided with a hot water inlet hole/brewed liquid outlet hole.