Coffee extraction equipment with automatic flushing function

The automated coffee extraction equipment solves the problem of manual cleaning after hot extraction, and automates continuous extraction, rinsing and drying, improving extraction efficiency and ease of operation.

CN223886676UActive Publication Date: 2026-02-10PUER WUJIN COFFEE CO LTD
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Patent Information

Application Number
CN202520421737.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-02-10
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

Existing coffee extraction equipment requires manual cleaning of residual coffee liquid after hot extraction, which is inconvenient and time-consuming.

Method used

An automatic rinsing coffee extraction device was designed, integrating continuous extraction, rinsing and drying functions. The extraction cup is automatically rotated by a servo motor driven by a rotating frame. Automatic rinsing is performed through extraction water pipes and rinsing pipes, and drying is performed by a dryer, reducing manual operation.

Benefits of technology

It has achieved a highly efficient and automated coffee extraction process, which has improved extraction efficiency, reduced operational difficulty and labor intensity, and saved additional equipment costs and space.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223886676U_ABST
    Figure CN223886676U_ABST
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Abstract

The utility model relates to the technical field of coffee extraction, in particular to coffee extraction equipment with an automatic flushing function. A rotating groove is formed in the inner side of the extraction rack, and a continuous extraction structure is assembled on the inner side of the rotating groove; the continuous extraction structure comprises a rotating frame rotationally installed on the inner side of the rotating groove, eight containing grooves are annularly formed in the inner side of the rotating frame at equal intervals, and bearing clamping grooves are formed in the positions, on the inner wall of the rotating frame, of the outer sides of the containing grooves in a penetrating mode; according to the coffee extraction device, the extraction cup containing coffee powder is placed on the inner side of the containing groove of the rotating frame, the bearing clamping block is clamped into the bearing clamping groove to be fixed, and operation is easy and easy. The whole extraction, washing and drying process is automatically completed on the equipment, the extraction cup does not need to be frequently and manually transferred, and the operation difficulty and the labor intensity are reduced.
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Description

Technical Field

[0001] This utility model relates to the field of coffee extraction technology, specifically to an automatic rinsing coffee extraction device. Background Technology

[0002] Coffee is a popular beverage, and its extraction process is a crucial step in coffee making. Coffee extraction refers to the process where water, when poured over coffee grounds, removes some of the soluble substances from the coffee powder. Currently, a Chinese patent (authorization announcement number CN221616793U) discloses a combined coffee extraction device. This patent technology discloses a combined coffee extraction device comprising: a base with a water tank for holding extraction water on its top; an extraction box for extracting coffee, fixedly mounted on the base; a pull-out filter box for filtering coffee liquid, slidably mounted within the extraction box; a faucet for controlling the flow of coffee liquid, fixedly connected to the extraction box; a detachable collection box for collecting overflow liquid, mounted on the base, and equipped with a detachable mesh plate; an electric heating block for heating water, located within the water tank; and a pumping mechanism for pumping hot water, mounted on the base. This utility model provides a combined coffee extraction device with the advantages of easy cleaning and convenient operation. This patented technology solves the problem that traditional coffee extraction equipment usually consists of multiple components, such as a kettle, coffee powder hopper, extractor, and heater. Connecting and assembling these components requires certain skills and experience; otherwise, leaks or powder leakage are likely to occur. At the same time, the components are inconvenient to disassemble and clean.

[0003] However, in the existing technology, coffee residue after hot extraction requires manual cleaning. The problem of automatically rinsing the residual coffee liquid needs to be solved.

[0004] Therefore, those skilled in the art have provided an automated rinsing coffee extraction device to solve the problems mentioned in the background art. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides:

[0006] An automatic rinsing coffee extraction device includes: an extraction frame; a rotating groove is provided on the inner side of the extraction frame, and a continuous extraction structure is assembled on the inner side of the rotating groove;

[0007] The continuous extraction structure includes a rotating frame rotatably mounted inside the rotating tank, and eight placement slots are equally spaced in a ring on the inner side of the rotating frame. A load-bearing slot is formed through the inner wall of the rotating frame on the outer side of the placement slots.

[0008] A servo motor is connected to the center of the rotating frame, and the servo motor is fixedly installed on the bottom wall of the extraction frame.

[0009] Preferably, the inner side of the placement slot is detachably fitted with an extraction cup for holding coffee powder, and the outer side of the extraction cup is fixedly fitted with a load-bearing block inside the load-bearing slot.

[0010] Preferably, the inner side of the extraction cup is fitted with a filter screen for filtering coffee powder during extraction.

[0011] Preferably, the bottom of the rotating tank has an extraction bottom hole that runs through the inner wall of the extraction frame at the position corresponding to the placement tank. An outer spiral ring is fixed to the bottom of the extraction bottom hole. An inner spiral ring is detachably spirally sealed on the outside of the outer spiral ring. A mixing cylinder is fixed to the bottom of the inner spiral ring.

[0012] A hand valve is fitted at the bottom of the mixing cylinder.

[0013] Preferably, an extraction water pipe is provided above the extraction bottom hole and is integrally fixed with the extraction frame. The top of the extraction water pipe is connected to a kettle body, and a solenoid valve is installed between the extraction water pipe and the kettle body.

[0014] Preferably, a rinsing bucket is also installed through the extraction frame at the position corresponding to the placement tank, and a rinsing pipe is sealed and connected to the top of the rinsing bucket;

[0015] The flushing pipe is connected to the pipe body of the external water supply source, and a solenoid valve is installed between the flushing pipe and the pipe body of the external water supply source.

[0016] Below the rinsing pipe is a water inlet pipe that is connected to the extraction frame. A bottom inclined pipe is connected to the side of the water inlet pipe. A discharge pipe is connected to the end of the bottom inclined pipe away from the water inlet pipe. A drying bottom groove is sealed at the top of the discharge pipe and opened on the inner wall of the extraction frame.

[0017] Preferably, a drying top trough is provided above the drying bottom trough and is provided on the extraction frame, and a drying hopper is connected to the top of the drying top trough, and a dryer is installed in the drying hopper.

[0018] A controller is installed on the front side of the extraction frame, and a collection box can be detachably placed on the extraction frame.

[0019] The technical effects and advantages of this utility model are as follows:

[0020] This invention features a continuous extraction structure combined with an extraction frame, enabling continuous hot extraction of coffee. A servo motor allows for adjustable rotation of the frame, moving the extraction cup containing coffee grounds sequentially to the inside of the extraction bottom hole, achieving multiple hot extraction processes and significantly improving extraction efficiency to meet the needs of batch coffee production.

[0021] This invention places the extraction cup containing coffee powder inside the placement slot of the rotating frame and secures it with a load-bearing clip. The operation is simple and easy to learn. The entire extraction, rinsing, and drying process is completed automatically on the equipment, eliminating the need for frequent manual transfer of the extraction cup, thus reducing operational difficulty and labor intensity.

[0022] This invention integrates extraction, rinsing, and drying functions into one device. After extraction, the extraction cup automatically rotates to the rinsing hopper for rinsing, and the rinsed water is discharged into an external wastewater tank through a water inlet pipe and a bottom inclined pipe. The rinsed extraction cup can then be moved between the drying bottom tank and the drying top tank for drying by a dryer, reducing additional equipment purchase costs and saving space. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of an automatic rinsing coffee extraction device provided in this application;

[0024] Figure 2 This is a side view of an automatic rinsing coffee extraction device provided in this application;

[0025] Figure 3 This is a schematic diagram of the disassembled structure of an automatic rinsing coffee extraction device provided in this application;

[0026] Figure 4 This is a schematic diagram of the continuous extraction structure in an automatic rinsing coffee extraction device provided in this application;

[0027] Figure 5 This is a schematic diagram of the outer spiral ring in an automatic rinsing coffee extraction device provided in this application.

[0028] In the picture:

[0029] 1. Extraction frame;

[0030] 2. Continuous extraction structure; 201. Rotating frame; 202. Placement slot; 203. Load-bearing slot; 204. Extraction cup; 205. Filter screen; 206. Load-bearing block;

[0031] 3. Rotating tank; 4. Extraction bottom hole; 5. Extraction water pipe; 6. Hot water kettle body; 7. Rinsing hopper; 8. Rinsing pipe; 9. Water inlet pipe; 10. Bottom inclined pipe; 11. Discharge pipe; 12. Drying bottom tank; 13. Drying top tank; 14. Drying hopper; 15. Dryer; 16. Controller; 17. Collection box; 18. Outer spiral ring; 19. Inner spiral ring; 20. Mixing cylinder; 21. Hand valve. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The examples of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.

[0033] For examples, please refer to Figures 1-5 This embodiment provides an automatic rinsing coffee extraction device, including: an extraction frame 1; a rotating groove 3 is provided on the inner side of the extraction frame 1, and a continuous extraction structure 2 is assembled on the inner side of the rotating groove 3; the continuous extraction structure 2 includes a rotating frame 201 rotatably installed on the inner side of the rotating groove 3, and eight placement slots 202 are provided in a ring at equal intervals on the inner side of the rotating frame 201, and a load-bearing slot 203 is provided through the inner wall of the rotating frame 201 on the outer side of the placement slots 202.

[0034] A servo motor 207 is connected to the center of the rotating frame 201, and the servo motor 207 is fixedly installed on the bottom wall of the extraction frame 1; an extraction cup 204 for holding coffee powder is detachably clamped inside the placement slot 202, and the outer side of the extraction cup 204 is fixedly clamped to the load-bearing block 206 inside the load-bearing slot 203; a filter screen 205 for filtering coffee powder during extraction is installed inside the extraction cup 204; an extraction bottom hole 4 is opened through the inner wall of the extraction frame 1 at the position corresponding to the placement slot 202 at the bottom of the rotating slot 3, and an outer spiral ring 18 is fixedly installed at the bottom of the extraction bottom hole 4. An inner spiral ring 19 is detachably spirally sealed on the outer side of the outer spiral ring 18, and a mixing cylinder 20 is fixedly installed at the bottom of the inner spiral ring 19.

[0035] The bottom of the mixing cylinder 20 is equipped with a hand valve 21; an extraction water pipe 5 is provided above the extraction bottom hole 4 and is integrally fixed with the extraction frame 1. The top of the extraction water pipe 5 is connected to a kettle body 6, and a solenoid valve is installed between the extraction water pipe 5 and the kettle body 6; a rinsing bucket 7 is also installed through the extraction frame 1 at the position corresponding to the placement slot 202, and a rinsing pipe 8 is sealed and connected to the top of the rinsing bucket 7.

[0036] The rinsing pipe 8 is connected to the pipe body of the external water supply source, and a solenoid valve is installed between the rinsing pipe 8 and the pipe body of the external water supply source; a water receiving pipe 9 is provided below the rinsing pipe 8 and is connected to the extraction frame 1 through it; a bottom inclined pipe 10 is connected through the side of the water receiving pipe 9; a discharge pipe 11 is connected through the end of the bottom inclined pipe 10 away from the water receiving pipe 9; a drying bottom groove 12 is sealed at the top of the discharge pipe 11 and is opened on the inner wall of the extraction frame 1; a drying top groove 13 is provided above the drying bottom groove 12 and is opened on the extraction frame 1; a drying hopper 14 is connected to the top of the drying top groove 13 and a dryer 15 is installed on the drying hopper 14; a controller 16 is installed on the front side of the extraction frame 1, and a collection box 17 is detachably placed on the extraction frame 1.

[0037] According to the above embodiments, the working principle of this invention is as follows:

[0038] The continuous extraction structure 2 can be used in conjunction with the extraction frame 1 to continuously heat extract coffee.

[0039] The extraction cup 204 containing coffee powder is placed inside the placement slot 202 of the rotating frame 201, and is secured inside the load-bearing slot 203 by the load-bearing block 206.

[0040] During hot coffee extraction, the hot water inside the kettle 6 is discharged into the extraction cup 204 of the rotating frame 201 through the extraction water pipe 5 for hot extraction of coffee powder. The extracted coffee liquid flows into the mixing cylinder 20.

[0041] During multiple coffee extractions, the servo motor 207 is activated to adjust the angle of the rotating frame 201, causing the extraction cup 204 containing coffee powder to rotate and move to the inside of the extraction bottom hole 4, which is beneficial for multiple hot extraction processes of coffee.

[0042] After extraction, the extraction cup 204 rotates and moves to the bottom of the rinsing bucket 7. The external water source is discharged into the inside of the rinsing bucket 7 through the rinsing pipe 8 to rinse the extraction cup 204. The rinsed water is discharged into the external wastewater tank through the bottom inclined pipe 10 connected by the water receiving pipe 9.

[0043] After rinsing, the extraction cup 204 rotates and moves between the drying bottom tank 12 and the drying top tank 13. After starting the dryer 15, hot air passes through the extraction cup 204 to dry it, making it easier for the extraction cup 204 to hold coffee powder and extract coffee liquid.

[0044] In this utility model, unless otherwise explicitly specified and limited, for example, it can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components or an interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0045] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. An automatic rinsing coffee extraction device, characterized in that, include: Extraction frame (1); The extraction frame (1) has a rotating groove (3) on its inner side, and a continuous extraction structure (2) is assembled on the inner side of the rotating groove (3). The continuous extraction structure (2) includes a rotating frame (201) rotatably mounted inside the rotating tank (3), and eight placement slots (202) are equidistantly arranged in a ring on the inner side of the rotating frame (201), and a load-bearing slot (203) is provided through the inner wall of the rotating frame (201) on the outer side of the placement slots (202). A servo motor (207) is connected to the center of the rotating frame (201), and the servo motor (207) is fixedly installed on the bottom wall of the extraction frame (1).

2. The automatic rinsing coffee extraction device according to claim 1, characterized in that, The inner side of the placement slot (202) is detachably fitted with an extraction cup (204) for holding coffee powder, and the outer side of the extraction cup (204) is fixedly fitted with a load-bearing block (206) inside the load-bearing slot (203).

3. The automatic rinsing coffee extraction device according to claim 2, characterized in that, The extraction cup (204) is fitted with a filter (205) for filtering coffee powder during extraction.

4. The automatic rinsing coffee extraction device according to claim 1, characterized in that, The bottom of the rotating groove (3) is provided with an extraction bottom hole (4) through the inner wall of the extraction frame (1) at the position of the placement groove (202). An outer spiral ring (18) is fixed at the bottom of the extraction bottom hole (4). An inner spiral ring (19) is detachably spirally sealed on the outside of the outer spiral ring (18). A mixing cylinder (20) is fixed at the bottom of the inner spiral ring (19).

5. The automatic rinsing coffee extraction device according to claim 4, characterized in that, An extraction water pipe (5) is provided above the extraction bottom hole (4) and is fixed as a whole with the extraction frame (1). The top of the extraction water pipe (5) is connected to a kettle body (6). A solenoid valve is installed between the extraction water pipe (5) and the kettle body (6).

6. The automatic rinsing coffee extraction device according to claim 5, characterized in that, The extraction frame (1) is also equipped with a rinsing bucket (7) through the position of the placement tank (202), and the top of the rinsing bucket (7) is sealed with a rinsing pipe (8). The rinsing pipe (8) is provided with a water inlet pipe (9) that is connected to the extraction frame (1) below it. A bottom inclined pipe (10) is connected to the side of the water inlet pipe (9). A discharge pipe (11) is connected to the end of the bottom inclined pipe (10) away from the water inlet pipe (9). A drying bottom groove (12) is sealed at the top of the discharge pipe (11) and opened on the inner wall of the extraction frame (1).

7. The automatic rinsing coffee extraction device according to claim 6, characterized in that, Above the drying bottom trough (12) is a drying top trough (13) opened on the extraction frame (1), and the top of the drying top trough (13) is connected to a drying hopper (14), and the drying hopper (14) is equipped with a dryer (15).

Citation Information

Patent Citations

  • Combined coffee extraction device

    CN221616793U