Water supply structure of coffee machine

Abstract

The utility model relates to the technical field of coffee machines, in particular to a water supply structure of a coffee machine, which comprises a bean grinding and cooking mechanism and a water supply component mounted on the bean grinding and cooking mechanism. The bean grinding and cooking mechanism comprises a base and a bean grinding and cooking part arranged on the base, and the water supply part is installed on the base through a limiting structure; the limiting structure comprises a protruding installation base arranged on the base, a water guide assembly is arranged on the protruding installation base and communicated with the bean grinding and cooking component through a heating pipeline, the water supply component comprises a visual water tank, a limiting groove is formed in the bottom of the visual water tank in an inward concave mode, a water outlet is further formed in the limiting groove, and the water outlet is communicated with the water guide assembly. The water outlet is used in cooperation with the water guide assembly, the visual water tank is installed on the protruding installation base through the limiting groove, and water flows into the water guide assembly through the water outlet to supply water to the bean grinding and cooking component.

Description

Technical Field

[0001] This utility model relates to the field of coffee machine technology, and in particular discloses a water supply structure for a coffee machine. Background Technology

[0002] In existing coffee machine technology, traditional water supply structures often have many shortcomings. The connection between the water tank and the main body of some coffee machines is not stable enough, making them prone to displacement or shaking, affecting the stability of the water supply; some water tanks lack visibility, making it difficult for users to check the water level in real time, often leading to insufficient water and affecting coffee making; in terms of water guiding and stopping, some structural designs are unreasonable, easily causing leakage problems, resulting in water waste and machine damage. Therefore, a more reasonable, efficient, and user-friendly coffee machine water supply structure is needed. Utility Model Content

[0003] In order to overcome the shortcomings and deficiencies of the existing technology, the purpose of this utility model is to provide a water supply structure for a coffee machine.

[0004] To achieve the above objectives, the present invention provides a water supply structure for a coffee machine, characterized in that it includes a coffee grinding and brewing mechanism and a water supply component installed on the coffee grinding and brewing mechanism; the coffee grinding and brewing mechanism includes a base and a coffee grinding and brewing component disposed on the base, and the water supply component is installed on the base via a limiting structure; the limiting structure includes a protruding mounting seat disposed on the base, and a water guiding component is provided on the protruding mounting seat, the water guiding component being connected to the coffee grinding and brewing component via a heating pipe; the water supply component includes a visible water tank, a limiting groove is recessed inward at the bottom of the visible water tank, and a water outlet is also provided on the limiting groove, the water outlet being used in conjunction with the water guiding component; the visible water tank is installed on the protruding mounting seat via the limiting groove, and water flows into the water guiding component through the water outlet to supply water to the coffee grinding and brewing component.

[0005] The visible water tank is securely mounted on the base using a limiting structure, and connected to the grinding and brewing components via a water guiding assembly, achieving automatic and precise water supply. Specifically, the limiting groove at the bottom of the visible water tank mates with the protruding mounting bracket on the base, ensuring stable installation. Simultaneously, the water outlet tightly connects to the water guiding assembly, allowing water to flow smoothly into the grinding and brewing components, providing a continuous and stable water supply to the coffee machine. This design not only improves the ease of use of the coffee machine but also ensures the stability and consistency of coffee quality and taste.

[0006] The visible water tank includes a first tank body and a first cover body covering the first tank body. The first tank body has a notch on its side and the first cover body has a protrusion. The first cover body covers the notch of the first tank body through the protrusion body.

[0007] The visible water tank design enhances the practicality and convenience of the coffee machine's water supply system. The first tank and first cover fit together tightly via side notches and protrusions. This design not only allows users to easily observe the water level in the tank for timely replenishment but also effectively prevents dust and foreign objects from entering, ensuring water cleanliness and safety. Simultaneously, the tight fit prevents water leakage, ensuring the stability and reliability of the coffee machine during operation.

[0008] The water guiding assembly includes a movable stop valve and an elastic element for resetting the stop valve. The stop valve is equipped with a steel ball, and the water outlet at the bottom of the visible water tank is equipped with a sealing ring. When the visible water tank is removed, the sealing ring presses against the water outlet to prevent water from flowing out of the visible water tank. When the visible water tank is placed on the water guiding assembly, the stop valve of the water guiding assembly moves upward, the steel ball abuts against the sealing ring, and the sealing ring opens, so that the water outlet of the visible water tank is no longer covered or blocked, allowing water to flow from the water outlet of the visible water tank into the bean grinding and cooking unit.

[0009] The combination of the stop valve and the elastic element allows the sealing ring to automatically tighten the outlet when the visible water tank is removed, effectively preventing water leakage and avoiding water waste and potential safety hazards. When the visible water tank is correctly placed on the water guide assembly, the stop valve moves upward under pressure, and the steel ball contacts and pushes open the sealing ring, allowing water to flow smoothly from the outlet of the visible water tank into the grinding and brewing unit, achieving automated and precise water supply control. This design not only improves the efficiency of the coffee machine but also ensures water quality safety and supply stability during coffee making.

[0010] The bottom of the limiting groove is provided with a protruding column, the water outlet is provided on the protruding column, the protruding mounting seat is provided with an annular groove, the water guiding component is installed in the annular groove, and the visible water tank is installed into the annular groove of the protruding mounting seat through the protruding column.

[0011] The raised column at the bottom of the limiting groove, combined with the water outlet, not only provides a clear channel for water flow but also enhances the connection strength between the visible water tank and the base. Simultaneously, the annular groove of the raised mounting base provides a stable installation position for the water guiding assembly, allowing it to precisely align with the water outlet of the visible water tank. Through the cooperation of the raised column and the annular groove, the visible water tank achieves quick and stable installation, simplifying the user's operation process while ensuring the stability and reliability of the coffee machine during water supply.

[0012] The coffee grinding and brewing component includes a coffee grinding unit mounted on a base, a liquid storage unit connected to the coffee grinding unit, a heating unit, and a coffee pot placed on the heating unit. The coffee grinding unit includes a coffee grinding box body detachably mounted on the base and a blade assembly mounted inside the coffee grinding box body. The bottom of the coffee grinding box body has a mounting hole, and the bottom of the coffee grinding box body also has a coffee grinding drive assembly. The input end of the blade assembly protrudes from the mounting hole at the bottom of the coffee grinding box body and connects to the output end of the coffee grinding drive assembly. The mounting hole at the bottom of the coffee grinding box body is provided with a sealing ring.

[0013] The grinding unit is connected to the base via a detachable grinding hopper, facilitating cleaning and bean replacement. The blade assembly and grinding drive assembly are securely connected via mounting holes at the bottom of the grinding hopper, with a sealing ring ensuring a tight seal to prevent coffee powder leakage and maintain the machine's cleanliness. The coordinated operation of the liquid storage unit, heating unit, and coffee pot creates an integrated process from grinding to brewing, improving efficiency and ensuring the purity and smoothness of the coffee.

[0014] The liquid storage unit includes a liquid storage box, which is located on the side of the grinding box and is integrally formed with the grinding box. The grinding box has a filter hole, which is connected to the liquid storage box. The grinding box also includes a filter cylinder inside the box. The blade assembly grinds coffee beans into coffee powder. Hot water flowing into the grinding box through the heating pipe brews the coffee powder. The brewed coffee liquid is filtered through the filter cylinder and then flows through the filter hole to the liquid storage box.

[0015] The reservoir and grinder are integrated into one piece, simplifying the coffee machine's internal structure. The reservoir connects to the grinder via a filter, allowing brewed coffee to flow smoothly. The filter cartridge within the grinder effectively removes coffee grounds, ensuring a pure and smooth coffee. Hot water flows into the grinder through a heating pipe, brewing the coffee grounds produced by the blade assembly. The entire process is efficient and automated, improving coffee production speed and guaranteeing optimal taste and quality in every cup.

[0016] The liquid storage box has a liquid outlet at the bottom and a liquid outlet assembly located below the liquid outlet. The liquid outlet assembly includes a movable liquid outlet valve and a leak-proof valve spring for driving the liquid outlet valve to reset. One end of the liquid outlet valve is installed in the liquid outlet, and the other end of the liquid outlet valve has a conical guide protrusion that forms a line contact seal with the V-shaped groove of the coffee pot's water inlet.

[0017] The dispensing port at the bottom of the reservoir fits snugly with the dispensing assembly, and the dispensing valve automatically resets under the action of the leak-proof valve spring, effectively preventing coffee leakage. The conical guide protrusion of the dispensing valve forms a line contact seal with the V-shaped groove of the coffee pot's inlet, ensuring the stability and accuracy of the coffee dispensing process and avoiding splashing and waste. This design not only improves the efficiency of the coffee machine but also ensures that every cup of coffee flows accurately and quickly into the coffee pot, bringing users a more convenient and enjoyable coffee-making experience.

[0018] The heating unit includes an annular heating plate mounted on a base. Multiple sets of heat dissipation holes are formed at the bottom of the base and are arranged around the heating plate.

[0019] A ring-shaped heating plate is evenly distributed across the base, providing stable and uniform heating to the coffee liquid, ensuring full extraction and a rich flavor. Multiple sets of ventilation holes are located around the bottom of the base below the heating plate, effectively promoting airflow, accelerating heat dissipation, and improving heating efficiency. This design not only shortens coffee preparation time but also reduces energy consumption, allowing the coffee machine to maintain high performance while also possessing excellent energy-saving and environmentally friendly characteristics.

[0020] The water supply structure also includes a control component mounted on the base. The grinding unit and heating unit are electrically connected to the control component. The control component includes an electronic board mounted on the base and a touch screen mounted on the outside of the electronic board.

[0021] The control components use electronic boards to precisely control the grinding and heating units, ensuring that every step of the coffee making process follows a preset program, thus improving the consistency of coffee quality. The touchscreen display provides users with an intuitive interface, allowing them to easily set parameters such as flavor and strength for personalized customization. This design not only simplifies the operation of the coffee machine but also makes its functions more diverse and intelligent, meeting the needs of different users.

[0022] The first tank of the visible water tank is equipped with a water level sensor inside, which is used to monitor the water level in the tank in real time and transmit the water level information to the warning unit of the control component to generate a warning signal. When the water level is lower than a preset threshold, the control component reminds the user to add water.

[0023] The water level sensor inside the water tank monitors the water level in real time and accurately transmits the information to the control unit. When the water level falls below a preset threshold, the control unit will promptly remind the user to add water via a touchscreen display, effectively preventing interruptions in coffee making due to water shortage and improving the stability and reliability of the coffee machine. This design not only reflects the intelligent features of the coffee machine but also provides users with a more convenient and user-friendly experience.

[0024] The conical guide protrusion of the liquid outlet valve is coated with silicon carbide, and the cone angle is a gradual design of 55°-16°. The contact pressure with the V-shaped groove of the coffee pot is ≥0.5MPa. The optimized cone angle and material reduce the wear rate of the sealing surface by 70%, making it suitable for high-pressure brewing scenarios.

[0025] The heat dissipation holes are distributed in a spiral radial pattern, with guide fins embedded in the hole walls, and a graphene heat spreader is installed at the bottom of the heating plate.

[0026] The annular heating plate is equipped with a temperature sensor, which is electrically connected to the control component. The temperature sensor can monitor the temperature of the heating plate in real time and feed the temperature information back to the control component. The control component can then precisely adjust the heating power based on the feedback information to ensure that the heating temperature of the coffee liquid is always kept within the optimal range.

[0027] The beneficial effects of this utility model are as follows: Through an innovative water supply structure design, this utility model utilizes a limiting structure to securely install a visible water tank, combined with a water guiding component to achieve automatic and precise water supply. Simultaneously, it integrates grinding and brewing components with control components, realizing integrated intelligent control from grinding and brewing to coffee liquid discharge. This design not only significantly improves the ease of use of the coffee machine and the consistency of coffee quality, but also effectively avoids interruptions in coffee making by monitoring the water level in real time with a water level sensor and reminding users to add water. It demonstrates a high degree of intelligence and energy-saving and environmentally friendly characteristics, bringing users a more convenient, efficient, and enjoyable coffee-making experience. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0029] Figure 2 This is an exploded view of the entire utility model;

[0030] Figure 3 This is an exploded view of the visible water tank and water guiding assembly of this utility model;

[0031] Figure 4 This is an exploded view of the bean grinding and cooking component of this utility model;

[0032] Figure 5 This is a structural schematic diagram of the grinding box and liquid storage box of this utility model;

[0033] Figure 6 This is an exploded view of the visual water tank of this utility model;

[0034] Figure 7 This is an exploded view of the base of this utility model;

[0035] Figure 8 This is an exploded view of the control component of this utility model.

[0036] The reference numerals in the figures include:

[0037] 1. Bean grinding and cooking mechanism; 2. Water supply component; 3. Base; 4. Bean grinding and cooking component; 5. Raised mounting base; 6. Water guiding assembly; 7. Visible water tank; 8. Limiting groove; 9. Water outlet; 11. First housing; 12. First cover; 13. Notch; 14. Protrusion; 15. Water stop valve; 16. Elastic element; 17. Steel ball; 18. Sealing ring; 19. Raised column; 21. Annular groove; 22. Bean grinding unit; 23. Liquid storage unit; 24. Heating unit 25. Coffee pot; 26. Grinding container; 27. Blade assembly; 28. Mounting hole; 29. ​​Grinding drive assembly; 31. Sealing ring; 32. Liquid reservoir; 33. Filter hole; 34. Filter cylinder; 35. Liquid outlet; 36. Liquid outlet assembly; 37. Liquid outlet valve; 38. Leak-proof valve spring; 39. Conical guide protrusion; 41. Heating plate; 42. Heat dissipation hole; 43. Control assembly; 44. Electronic board; 45. Touch screen; 46. Water level sensor. Detailed Implementation

[0038] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention.

[0039] Please see Figures 1 to 8 As shown, the present invention discloses a water supply structure for a coffee machine, characterized in that it includes a coffee grinding and brewing mechanism 1 and a water supply component 2 installed on the coffee grinding and brewing mechanism 1; the coffee grinding and brewing mechanism 1 includes a base 3 and a coffee grinding and brewing component 4 installed on the base 3, and the water supply component 2 is installed on the base 3 via a limiting structure; the limiting structure includes a protruding mounting seat 5 installed on the base 3, and a water guiding component 6 is provided on the protruding mounting seat 5. The water guiding component 6 is connected to the coffee grinding and brewing component 4 via a heating pipe. The water supply component 2 includes a visible water tank 7, and a limiting groove 8 is recessed inward at the bottom of the visible water tank 7. A water outlet 9 is also provided on the limiting groove 8. The water outlet 9 is used in conjunction with the water guiding component 6. The visible water tank 7 is installed on the protruding mounting seat 5 via the limiting groove 8, and the water flows into the water guiding component 6 through the water outlet 9 to supply water to the coffee grinding and brewing component 4.

[0040] The visible water tank 7 is securely mounted on the base 3 using a limiting structure, and is connected to the grinding and brewing unit 4 via the water guiding component 6, achieving automatic and precise water supply. Specifically, the limiting groove 8 at the bottom of the visible water tank 7 cooperates with the protruding mounting seat 5 on the base 3 to ensure stable installation of the water tank. Simultaneously, the water outlet 9 is tightly connected to the water guiding component 6, allowing water to flow smoothly into the grinding and brewing unit 4, providing a continuous and stable water source for the coffee machine. This design not only improves the ease of use of the coffee machine but also ensures the stability of coffee quality and consistency of taste.

[0041] The visible water tank 7 includes a first tank body 11 and a first cover 12 covering the first tank body 11. The first tank body 11 has a notch 13 on its side and the first cover 12 has a protrusion 14. The first cover 12 covers the notch 13 of the first tank body 11 through the protrusion 14.

[0042] The visible water tank 7 enhances the practicality and convenience of the coffee machine's water supply structure. The first tank 11 and the first cover 12 achieve a tight seal through the cooperation of the side notch 13 and the protrusion 14. This design not only allows users to easily observe the water level in the tank for timely replenishment but also effectively prevents dust and foreign objects from entering, ensuring water cleanliness and safety. Simultaneously, the tight seal prevents water leakage, ensuring the stability and reliability of the coffee machine during operation.

[0043] The water guiding assembly 6 includes a movable stop valve 15 and an elastic element 16 for resetting the stop valve 15. The stop valve 15 is equipped with a steel ball 17. The water outlet 9 at the bottom of the visible water tank 7 is equipped with a sealing ring 18. When the visible water tank 7 is removed, the sealing ring 18 presses against the water outlet 9 to prevent water from flowing out of the visible water tank 7. When the visible water tank 7 is placed on the water guiding assembly 6, the stop valve 15 of the water guiding assembly 6 moves upward, the steel ball 17 abuts against the sealing ring 18, and the sealing ring 18 opens the water outlet 9 of the visible water tank 7, no longer covering or blocking the water outlet 9, so that water flows from the water outlet 9 of the visible water tank 7 into the bean grinding and cooking component 4.

[0044] The cooperation between the stop valve 15 and the elastic element 16 allows the sealing ring 18 to automatically press against the outlet 9 when the visible water tank 7 is removed, effectively preventing water leakage and avoiding water waste and potential safety hazards. When the visible water tank 7 is correctly placed on the water guiding assembly 6, the stop valve 15 moves upward under pressure, and the steel ball 17 abuts against and pushes open the sealing ring 18, allowing water to flow smoothly from the outlet 9 of the visible water tank 7 into the grinding and brewing unit 4, achieving automated and precise control of the water supply. This design not only improves the efficiency of the coffee machine but also ensures water quality safety and water supply stability during the coffee making process.

[0045] The bottom of the limiting groove 8 is provided with a protruding column 19, the water outlet 9 is provided on the protruding column 19, the protruding mounting base 5 is provided with an annular groove 21, the water guiding component 6 is installed in the annular groove 21, and the visible water tank 7 is installed in the annular groove 21 of the protruding mounting base 5 via the protruding column 19.

[0046] The raised column 19 at the bottom of the limiting groove 8, combined with the water outlet 9, not only provides a clear channel for water flow but also enhances the connection strength between the visible water tank 7 and the base 3. Simultaneously, the annular groove 21 of the raised mounting base 5 provides a stable installation position for the water guiding assembly 6, allowing it to precisely align with the water outlet 9 of the visible water tank 7. Through the cooperation of the raised column 19 and the annular groove 21, the visible water tank 7 achieves quick and stable installation, simplifying the user's operation process while ensuring the stability and reliability of the coffee machine during water supply.

[0047] The coffee grinding and cooking component 4 includes a coffee grinding unit 22 mounted on a base 3, a liquid storage unit 23 connected to the coffee grinding unit 22, a heating unit 24, and a coffee pot 25 placed on the heating unit 24. The coffee grinding unit 22 includes a coffee grinding box 26 detachably mounted on the base 3 and a blade assembly 27 installed inside the coffee grinding box 26. The bottom of the coffee grinding box 26 has a mounting hole 28 and a coffee grinding drive assembly 29. The input end of the blade assembly 27 protrudes from the mounting hole 28 at the bottom of the coffee grinding box 26 and connects to the output end of the coffee grinding drive assembly 29. The mounting hole 28 at the bottom of the coffee grinding box 26 is provided with a sealing ring 31.

[0048] The grinding unit 22 is connected to the base 3 via a detachable grinding hopper 26, facilitating cleaning and bean replacement by the user. The blade assembly 27 and the grinding drive assembly 29 are tightly connected via mounting holes 28 at the bottom of the grinding hopper 26, and a sealing ring 31 ensures a tight seal at the connection, preventing coffee bean powder leakage and keeping the coffee machine clean. The coordinated operation of the liquid storage unit 23, heating unit 24, and coffee pot 25 achieves an integrated process from grinding beans to brewing coffee, not only improving the efficiency of coffee making but also ensuring the purity and smoothness of the coffee's flavor.

[0049] The liquid storage unit 23 includes a liquid storage box 32, which is disposed on the side of the grinding box body 26 and is integrally formed with the grinding box body 26. The grinding box body 26 is provided with a filter hole 33, and the grinding box body 26 is connected to the liquid storage box 32 through the filter hole 33. The grinding box body 26 also includes a filter cylinder 34 disposed inside the box. The blade assembly 27 grinds coffee beans into coffee powder. Hot water flowing into the grinding box body 26 through the heating pipe brews the coffee powder. The brewed coffee liquid is filtered through the filter cylinder 34 and flows to the filter hole 33 and then to the liquid storage box 32.

[0050] The liquid reservoir 32 is integrally molded with the grinding chamber 26, simplifying the internal structure of the coffee machine. The reservoir 32 is connected to the grinding chamber 26 via a filter hole 33, allowing the brewed coffee to flow smoothly. The filter cartridge 34 inside the grinding chamber 26 effectively filters out coffee grounds, ensuring the purity and smooth taste of the coffee. Hot water flows into the grinding chamber 26 through a heating pipe, brewing the coffee grounds produced by the blade assembly 27. The entire process is efficient and automated, not only improving coffee making efficiency but also ensuring that every cup of coffee achieves optimal taste and quality.

[0051] The liquid storage box 32 has a liquid outlet 35 at the bottom and a liquid outlet assembly 36 located below the liquid outlet 35. The liquid outlet assembly 36 includes a movable liquid outlet valve 37 and a leak-proof valve spring 38 for driving the liquid outlet valve 37 to reset. One end of the liquid outlet valve 37 is installed in the liquid outlet 35, and the other end of the liquid outlet valve 37 is provided with a conical guide protrusion 39, which forms a line contact seal with the V-shaped groove of the water inlet of the coffee pot 25.

[0052] The outlet 35 at the bottom of the liquid reservoir 32 fits tightly with the dispensing assembly 36, and the dispensing valve 37 automatically resets under the action of the leak-proof valve spring 38, effectively preventing coffee leakage. The conical guide protrusion 39 of the dispensing valve 37 forms a line contact seal with the V-shaped groove of the coffee pot 25's inlet, ensuring the stability and accuracy of the coffee liquid during the dispensing process and avoiding splashing and waste. This design not only improves the efficiency of the coffee machine but also ensures that every cup of coffee flows accurately and quickly into the coffee pot 25, bringing users a more convenient and enjoyable coffee-making experience.

[0053] The heating unit 24 includes an annular heating plate 41 disposed on the base 3. Multiple sets of heat dissipation holes 42 are opened at the bottom of the base 3 and are arranged around the heating plate 41.

[0054] A ring-shaped heating plate 41 is evenly distributed on the base 3, providing stable and uniform heating for the coffee liquid, ensuring full extraction and a rich flavor. Multiple sets of heat dissipation holes 42 are arranged around the bottom of the base 3 below the heating plate 41, effectively promoting air circulation, accelerating heat dissipation from the heating plate 41, and improving heating efficiency. This design not only shortens coffee preparation time but also reduces energy consumption, enabling the coffee machine to maintain high performance while also possessing excellent energy-saving and environmentally friendly characteristics.

[0055] The water supply structure also includes a control component 43 mounted on the base 3. The grinding unit 22 and the heating unit 24 are electrically connected to the control component 43. The control component 43 includes an electronic board 44 mounted on the base 3 and a touch screen 45 mounted on the outside of the electronic board 44.

[0056] The control component 43, through the electronic board 44, precisely controls the grinding unit 22 and the heating unit 24, ensuring that each step of coffee making follows the preset program and improving the consistency of coffee quality. The touchscreen display 45 provides users with an intuitive interface, allowing them to easily set parameters such as coffee flavor and strength for personalized customization. This design not only simplifies the operation of the coffee machine but also makes its functions more diverse and intelligent, meeting the needs of different users.

[0057] The first tank 11 of the visible water tank 7 is equipped with a water level sensor 46, which is used to monitor the water level in the tank in real time and transmit the water level information to the warning unit of the control component 43 to generate a warning signal. When the water level is lower than a preset threshold, the control component 43 reminds the user to add water.

[0058] The water level sensor 46 inside the water tank can monitor the water level in real time and accurately transmit the information to the control component 43. When the water level is lower than the preset threshold, the control component 43 will promptly remind the user to add water through the touch display screen 45 and other means, effectively avoiding interruptions in coffee making due to water shortage and improving the stability and reliability of the coffee machine. This design not only reflects the intelligent features of the coffee machine but also provides users with a more convenient and considerate user experience.

[0059] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A water supply structure for a coffee machine, characterized in that: The system includes a bean grinding and cooking mechanism (1) and a water supply component (2) mounted on the bean grinding and cooking mechanism (1). The bean grinding and cooking mechanism (1) includes a base (3) and a bean grinding and cooking component (4) mounted on the base (3). The water supply component (2) is mounted on the base (3) via a limiting structure. The limiting structure includes a protruding mounting seat (5) mounted on the base (3). A water guiding component (6) is provided on the protruding mounting seat (5). The water guiding component (6) is connected to a heating pipe. The water supply component (2) is connected to the grinding and cooking component (4). The water supply component (2) includes a visible water tank (7). The bottom of the visible water tank (7) is recessed inward and has a limiting groove (8). The limiting groove (8) also has a water outlet (9). The water outlet (9) is used in conjunction with the water guiding component (6). The visible water tank (7) is installed on the protruding mounting base (5) through the limiting groove (8). The water flows through the water outlet (9) into the water guiding component (6) to supply water to the grinding and cooking component (4).

2. The water supply structure for a coffee machine according to claim 1, characterized in that: The visible water tank (7) includes a first tank body (11) and a first cover body (12) covering the first tank body (11). The first tank body (11) has a notch (13) on its side and the first cover body (12) has a protrusion (14). The first cover body (12) covers the notch (13) of the first tank body (11) through the protrusion (14).

3. The water supply structure for a coffee machine according to claim 1, characterized in that: The water guiding assembly (6) includes a movable stop valve (15) and an elastic element (16) for resetting the stop valve (15). The stop valve (15) is provided with a steel ball (17). The water outlet (9) at the bottom of the visible water tank (7) is provided with a sealing ring (18). When the visible water tank (7) is removed, the sealing ring (18) presses against the water outlet (9) to prevent the water in the visible water tank (7) from flowing out. When the visible water tank (7) is placed on the water guiding assembly (6), the stop valve (15) of the water guiding assembly (6) moves upward, the steel ball (17) abuts against the sealing ring (18), and the sealing ring (18) opens the water outlet (9) of the visible water tank (7) and no longer covers or blocks the water outlet (9), so that water flows from the water outlet (9) of the visible water tank (7) into the bean grinding and cooking component (4).

4. The water supply structure for a coffee machine according to claim 1, characterized in that: The bottom of the limiting groove (8) is provided with a protruding column (19), the water outlet (9) is provided on the protruding column (19), the protruding mounting base (5) is provided with an annular groove (21), the water guiding component (6) is installed in the annular groove (21), and the visible water tank (7) is installed in the annular groove (21) of the protruding mounting base (5) via the protruding column (19).

5. The water supply structure for a coffee machine according to claim 1, characterized in that: The coffee grinding and cooking component (4) includes a coffee grinding unit (22) mounted on a base (3), a liquid storage unit (23) connected to the coffee grinding unit (22), a heating unit (24), and a coffee pot (25) placed on the heating unit (24). The coffee grinding unit (22) includes a coffee grinding box (26) detachably mounted on the base (3) and a blade assembly (27) mounted inside the coffee grinding box (26). The bottom of the coffee grinding box (26) has a mounting hole (28). The bottom of the coffee grinding box (26) also has a coffee grinding drive assembly (29). The input end of the blade assembly (27) protrudes from the mounting hole (28) at the bottom of the coffee grinding box (26) and is connected to the output end of the coffee grinding drive assembly (29). The mounting hole (28) at the bottom of the coffee grinding box (26) has a sealing ring (31).

6. The water supply structure for a coffee machine according to claim 5, characterized in that: The liquid storage unit (23) includes a liquid storage box (32), which is located on the side of the grinding box body (26) and is integrally formed with the grinding box body (26). The grinding box body (26) is provided with a filter hole (33), and the grinding box body (26) is connected to the liquid storage box (32) through the filter hole (33). The grinding box body (26) also includes a filter cylinder (34) disposed inside the grinding box body (26). The blade assembly (27) grinds coffee beans into coffee powder. Hot water flows into the grinding box body (26) through the heating pipe to brew the coffee powder. The brewed coffee liquid is filtered through the filter cylinder (34) and flows to the filter hole (33) and then to the liquid storage box (32).

7. The water supply structure for a coffee machine according to claim 6, characterized in that: The liquid storage box (32) has a liquid outlet (35) at the bottom and a liquid outlet assembly (36) below the liquid outlet (35). The liquid outlet assembly (36) includes a movable liquid outlet valve (37) and a leak-proof valve spring (38) for driving the liquid outlet valve (37) to reset. One end of the liquid outlet valve (37) is installed in the liquid outlet (35), and the other end of the liquid outlet valve (37) is provided with a conical guide protrusion (39) that forms a line contact seal with the V-shaped groove of the water inlet of the coffee pot (25).

8. The water supply structure for a coffee machine according to claim 5, characterized in that: The heating unit (24) includes an annular heating plate (41) disposed on a base (3). Multiple sets of heat dissipation holes (42) are opened at the bottom of the base (3) and are arranged around the heating plate (41).

9. The water supply structure for a coffee machine according to claim 5, characterized in that: The water supply structure also includes a control component (43) mounted on the base (3). The grinding unit (22) and the heating unit (24) are electrically connected to the control component (43). The control component (43) includes an electronic board (44) mounted on the base (3) and a touch screen (45) mounted on the outside of the electronic board (44).

10. The water supply structure for a coffee machine according to claim 9, characterized in that: The first tank (11) of the visible water tank (7) is equipped with a water level sensor (46) for real-time monitoring of the water level in the tank and transmitting the water level information to the control component (43). When the water level is lower than a preset threshold, the warning unit of the control component (43) sends a warning signal to remind the user to replenish the water source.

Images