Coffee maker

Abstract

The present application relates to a coffee machine, which belongs to the field of household appliances. The coffee machine comprises: a housing assembly, the housing assembly being provided with an accommodating cavity and a water supply port; a water tank assembly, the water tank assembly being provided with a water storage cavity and a water drainage channel, and the water storage cavity, the water drainage channel and the water supply port being in communication in sequence; a water pump assembly, the water pump assembly being arranged on the housing assembly and located in the accommodating cavity, the water pump assembly being provided with a pump water inlet, and the pump water inlet being capable of communicating with the water supply port; a heating assembly, the heating assembly being arranged on the housing assembly and located in the accommodating cavity; a brewing assembly, the brewing assembly being arranged on the housing assembly and partially located in the accommodating cavity; a steam assembly, the steam assembly being arranged on the housing assembly and partially located in the accommodating cavity; and the water pump assembly, the heating assembly, the brewing assembly and the steam assembly being sequentially connected by means of piping. The coffee machine disclosed in the present application can control the water flow for making coffee by means of a flow meter, thereby stably controlling the quality of coffee and improving the user experience.

Description

Coffee maker

[0001] Cross-reference to related applications

[0002] The present application claims priority to the Chinese patent application No. 202422206394.8, filed on September 9, 2024, entitled "Coffee maker", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0003] The utility model relates to the field of household appliances, in particular to a coffee maker. BACKGROUND

[0004] In modern life, with the vigorous development of economy and the significant improvement of people's living standards, the pursuit of high-quality life has become a trend. As an important symbol of improving life quality, coffee makers have gradually become essential appliances for many families. However, the coffee makers in the prior art have some limitations, which affect the quality of coffee production and user experience to some extent.

[0005] Specifically, the existing coffee maker lacks accuracy in water flow control, which cannot ensure that each cup of coffee can achieve the best taste and flavor. In addition, the design of the steam circuit is not reasonable, which not only affects the extraction effect of coffee, but also increases the maintenance difficulty of the machine. More importantly, the cooperation between the water tank and the machine body of the existing coffee maker is often not perfect, which not only affects the overall appearance of the machine, but also reduces its market competitiveness.

[0006] SUMMARY

[0007] Therefore, it is necessary to provide a coffee maker that can solve the problem of lack of accuracy in water flow control.

[0008] The utility model provides a coffee machine, the coffee machine includes: shell assembly, the shell assembly is equipped with containing cavity and water supply, water tank assembly, water tank assembly is equipped with water storage cavity and lower water channel, water storage tank, lower water channel and water supply are communicated in turn, water pump assembly, water pump assembly is arranged on the shell assembly and is located in containing cavity, water pump assembly is equipped with pump water inlet, pump water inlet can communicate with water supply, heating assembly, heating assembly is arranged on the shell assembly and is located in containing cavity, brewing assembly, brewing assembly is arranged on the shell assembly and is partially located in containing cavity, steam assembly, steam assembly is arranged on the shell assembly and is partially located in containing cavity, water pump assembly, heating assembly, brewing assembly and steam assembly are connected in turn through pipeline, or, heating assembly, water pump assembly, brewing assembly and steam assembly are connected in turn through pipeline, or, water pump assembly and heating assembly are connected through pipeline and heating assembly is connected with brewing assembly and steam assembly through pipeline respectively, or, heating assembly and water pump assembly are connected through pipeline and water pump assembly is connected with brewing assembly and steam assembly through pipeline respectively.

[0009] The utility model discloses a coffee machine, by setting water pump assembly, heating assembly, brewing assembly and steam assembly in the containing cavity of shell assembly, first make full use of the internal space of shell assembly, reduce the overall volume of coffee machine, secondly, a plurality of key components are concentrated in a containing cavity, realize the high integration of coffee machine, reduce the connection and wiring between components, make the structure more compact, from the appearance, make the appearance of coffee machine more simple, beautiful, do not have too much exposed component, and the containing cavity provides certain protection for each component, reduces the damage of external factors such as dust, collision, damp to component, prolongs the service life of each component. The water tank assembly is arranged in the water tank containing hole of the shell assembly, which provides a clear installation position for the water tank assembly, so that it can be stably placed in the coffee machine, avoiding displacement or shaking during use, integrating the water tank assembly and the shell assembly, the appearance is more neat and smooth, further improving the overall appearance of the coffee machine, and the water storage cavity, the lower water channel, the water supply and the pump water inlet of the water tank assembly are communicated in turn, ensuring that water can flow smoothly from the water storage cavity to other components of the coffee machine through the lower water channel and the water supply, providing stable water flow for the coffee making process, ensuring the consistency and stability of extraction, and the water flows in a closed channel, reducing the opportunity of contact with the outside world and the possibility of pollution, thereby improving the hygiene of water used for making coffee.

[0010] In one of the embodiments, the shell assembly comprises an upper shell assembly and a bottom shell assembly, the upper shell assembly is arranged on the bottom shell assembly, the upper shell assembly and the bottom shell assembly jointly enclose the accommodating cavity, the bottom shell assembly is provided with the water supply port and a water tank accommodating hole, and the water tank assembly is adapted to the water tank accommodating hole. By arranging the upper shell assembly on the bottom shell assembly, the shell structure of the coffee machine is formed, and the combination of the two forms the accommodating cavity. By reasonably designing the shape and structure of the upper shell assembly and the bottom shell assembly, the internal space can be fully utilized, and various components can be compactly installed in the shell to protect the internal components such as the water pump assembly and the heating assembly from physical damage, dust, water vapor and the like. Furthermore, the upper shell assembly is arranged on the bottom shell assembly, and the two support and fix each other, thereby enhancing the structural strength and stability of the entire coffee machine. The water tank accommodating hole and the water supply port are arranged on the bottom shell assembly, and the bottom shell assembly can provide more stable support for the water tank assembly, so as to ensure that the water tank assembly will not shake or shift during installation and use, thereby ensuring the stability of water supply. At the same time, the gravity difference between the water tank assembly and the water supply port is utilized to make the water flow to the water supply port naturally, reduce the dependence on additional power equipment, and simplify the water supply system.

[0011] In one of the embodiments, the upper shell assembly comprises a main shell, a hanging piece and an upper cover, the main shell is arranged on the bottom shell assembly, the hanging piece and the upper cover are arranged on the main shell, and the hanging piece is adapted to the water tank assembly. By arranging the main shell on the bottom shell assembly, the bottom shell assembly can provide more stable basic support, and the combination of the main shell can enhance the structural strength of the entire coffee machine, so that it is not easy to deform or be damaged during use. The hanging piece and the upper cover are arranged on the main shell, and the upper cover further plays a protective role to prevent dust and foreign matter from entering and protect the cleanliness and safety of the internal components. The hanging piece provides support for the water tank assembly to ensure the stable position of the water tank assembly in the coffee machine, reduces the problems of water leakage or loose connection caused by shaking or shifting, and also shares the weight of the water tank borne by the bottom shell assembly, thereby reducing the risk of deformation or damage of the bottom shell assembly due to long-term bearing of the water tank pressure.

[0012] In one of the embodiments, the bottom shell assembly comprises a base, a water inlet device, a flow meter and a support frame, the main shell is arranged on the base, the base is provided with the water tank accommodating hole, the water inlet device is arranged on the base and located at the water tank accommodating hole, the flow meter is arranged on the base and located in the accommodating cavity, the water inlet device and the flow meter inlet are communicated through the pipeline, and the support frame is arranged on the base. By arranging the main shell on the base, the main shell can be prevented from directly contacting the ground or the table top, avoiding damage caused by moisture, dirt or collision, thereby better protecting the internal functional components. The water inlet device is arranged on the base and located at the water tank accommodating hole provided on the base, making full use of the space of the base, making the overall structure of the coffee machine more compact, saving internal space, and being able to closely cooperate with the water tank assembly to achieve the purpose of making the coffee machine more convenient to obtain water source. The flow meter is arranged on the base assembly and located in the accommodating cavity, and the water inlet device and the flow meter inlet are communicated through the pipeline, ensuring that the water flow can pass through the measurement of the flow meter and then enter the subsequent processing link, making the measurement data accurate and reliable, thereby ensuring the water consumption of each coffee brewing, ensuring the stability of coffee taste and quality. The support frame is arranged on the base, so that the cup is at a suitable height and position, facilitating the collection of coffee flowing out of the brewing assembly, reducing the possibility of coffee splashing, avoiding direct contact of hot coffee with the table top, preventing damage to the table top, reducing the risk of coffee staining the table top, and improving user experience satisfaction.

[0013] In one of the embodiments, the water tank assembly comprises a water tank and a hook, the hook is arranged on the water tank, the hook is hung on the hanger, the water tank is arranged on the base, the water tank is provided with the water storage cavity and the water outlet passage, the water inlet device is provided with the water supply opening, the water tank can be separated from or abut against the water inlet device, when the water tank abuts against the water inlet device, the water outlet passage is communicated with the water supply opening, when the water tank is separated from the water inlet device, the water outlet passage is blocked from the water supply opening. By arranging the hook on the water tank and hanging the water tank on the hanger arranged on the housing assembly by the hook, the user can easily hang or take down the water tank assembly, which is convenient for water filling, cleaning or maintenance and the like, and ensures that the water tank assembly has a clear and stable position in the coffee machine, preventing the water tank from moving or shaking during use and affecting the stability of water supply. The water tank is arranged on the base and at the water tank accommodating hole, and the water inlet device can abut against or be separated from the water tank, when the user lifts the water tank assembly to fill water, the water outlet passage is blocked from the water supply opening, when the user places the water tank assembly on the base, the water inlet device abuts against the water tank assembly, at this time, the water storage cavity, the water outlet passage and the water supply opening are sequentially communicated, this structure realizes automatic connection of the water tank assembly and the water supply system of the coffee machine, without additional operation, which is convenient and fast, and ensures that water can continuously and stably flow from the water tank assembly to the inside of the coffee machine after the water tank is placed in place, meeting the water demand in the coffee making process.

[0014] In one of the embodiments, the water pump assembly comprises a water pump and a safety valve, the safety valve is arranged on the water pump, the water pump is arranged on the housing assembly, the water pump is provided with the pump-in water inlet, the pump-in water inlet is communicated with the flow meter outlet of the flow meter or the pump-in water inlet is communicated with the water supply inlet, the safety valve is provided with a pressure relief port, the water inlet device is provided with a backflow port, and the pressure relief port is communicated with the backflow port. By arranging the water pump on the housing assembly, and the pump-in water inlet of the water pump is communicated with the flow meter outlet of the flow meter or the water supply inlet, when the flow meter is needed to detect the water supply flow, the pump-in water inlet can be communicated with the flow meter outlet of the flow meter, and the water flow entering the water pump can be accurately controlled according to the measurement data of the flow meter, so as to ensure the accuracy of the water quantity for coffee brewing and the stability of the coffee quality. When the flow meter is not needed, the pump-in water inlet is directly communicated with the water supply inlet, so that the water path is more simple and direct, the resistance and energy loss of the water flow are reduced, the water supply speed and efficiency are improved, and the complexity and potential failure points of the water path system are also reduced. The safety valve is arranged on the water pump, and the pressure relief port of the safety valve is communicated with the backflow port of the water inlet device. Firstly, when the pressure generated by the water pump exceeds the safety threshold, the safety valve will automatically open to release pressure, at this time the water flow is backflowed from the water pump to the water tank assembly, which effectively prevents the damage of the water pump, pipeline and other components caused by excessive pressure, prolongs the service life of the equipment, and secondly helps to maintain the pressure stability in the water path system of the coffee machine, ensures that the water pressure in the coffee making process is within a suitable range, thereby ensuring the extraction quality and consistency of the taste of the coffee, and improving the user experience.

[0015] In one of the embodiments, the heating assembly is provided with a heating inlet and a heating outlet, the heating inlet is communicated with the heating outlet, the water pump assembly is provided with a pump outlet, the pump inlet is communicated with the pump outlet, and the pump outlet is communicated with the heating inlet. By communicating the heating inlet of the heating assembly with the pump outlet, the water pump assembly can quickly provide hot water of the required temperature for coffee brewing, improve the efficiency of making coffee, and the direct communication can more accurately control the heating process of the water entering the heating assembly, make the water path system more compact and direct, reduce unnecessary pipelines and connectors, reduce the complexity and potential failure points of the system, and also help to realize stable and accurate water temperature control, ensure the quality and taste of the coffee.

[0016] In one of the embodiments, the brewing assembly comprises a brewing head and a brewing handle, the brewing head is arranged on the shell assembly and partially located in the containing cavity, the brewing handle is arranged on the brewing head, the brewing head is provided with a brewing water inlet and a brewing water outlet, and the heated water outlet, the brewing water inlet and the brewing water outlet are sequentially communicated. By arranging the brewing head on the shell assembly and partially in the containing cavity, the containing cavity can provide protection for the brewing head, so that it is not subjected to external impact, prolonging its service life, while ensuring that the brewing head remains stable during the operation of the coffee machine, and is not displaced or shaken due to vibration or other factors, thereby ensuring the accuracy and stability of the brewing. The brewing handle is arranged on the brewing head to form a brewing assembly, so that the user can complete the powder loading and brewing actions in the same position, making the operation process more coherent and convenient, saving time and effort. Since the brewing head is provided with a brewing water inlet and a brewing water outlet, the heated water flows out of the heated water outlet and enters the brewing assembly from the brewing water inlet, and the user controls the coffee to flow out of the brewing water outlet by operating the brewing handle, at which time the user can enjoy the hot coffee, meeting the user's usage needs.

[0017] In one of the embodiments, the steam assembly comprises a steam valve and a steam pipe, the steam valve is arranged on the shell assembly and located in the containing cavity, the steam valve is provided with a first steam port and a second steam port, the brewing assembly is provided with an air outlet, the air outlet, the first steam port and the second steam port are sequentially communicated, the steam pipe is in communication with the steam valve through a pipeline, and the steam pipe is arranged on the shell assembly and penetrates the containing cavity. By arranging the steam valve on the shell assembly and in the containing cavity, the containing cavity provides physical protection for the steam valve, reducing the risk of external impact and damage, while helping to maintain the temperature around the steam valve, reducing heat loss during steam transmission, and improving energy utilization efficiency. Since the steam valve is provided with a first steam port and is in communication with the air outlet provided on the brewing assembly, when the milk needs to be frothed, the water source is changed into steam by using the heating assembly. Since the brewing head is provided with a one-way valve, the steam is sprayed out of the air outlet of the brewing head and enters the steam valve, at which time the user opens the steam valve and the steam pipe, and the steam finally comes out of the steam pipe, realizing the process of frothing the milk, enriching the making method and taste of coffee, and meeting the actual needs of the user. Arranging the steam pipe on the shell assembly and leaking out can ensure that the steam can smoothly reach the area where it needs to act, and it is convenient for the user to operate, reducing the difficulty and complexity of the operation.

[0018] In one embodiment, a circuit board assembly is further included. This circuit board assembly is disposed on the housing assembly and located within the receiving cavity. The circuit board assembly is electrically connected to both the water pump assembly and the heating assembly. By placing the circuit board assembly on the housing assembly and within the receiving cavity, the cavity provides physical protection for the circuit board assembly, reducing damage from external impacts, dust, moisture, etc., thus extending its lifespan. It also ensures that the circuit board assembly will not loosen due to vibration or other factors during coffee machine operation, guaranteeing the stability of the circuit connection. Using the circuit board assembly to control the water pump assembly and the heating assembly enables precise control and adjustment of water flow and temperature, making the coffee machine more convenient and intelligent to use.

[0019] In one embodiment, a display assembly is also included, which is disposed on the housing assembly and partially located within the receiving cavity. By disposing the display assembly on the housing assembly and partially located within the receiving cavity, the receiving cavity provides a degree of physical protection for the display assembly, reducing the risk of damage from impacts, scratches, and liquid splashes. Simultaneously, it allows the display assembly to better integrate with the housing assembly, enhancing the overall aesthetics and harmony of the coffee machine and improving its market competitiveness. Attached Figure Description

[0020] Figure 1 is a first perspective view of the coffee machine;

[0021] Figure 2 is a second perspective view of the coffee machine;

[0022] Figure 3 is an exploded view of the base assembly;

[0023] Figure 4 is a cross-sectional view of the base assembly;

[0024] Figure 5 is a cross-sectional view of the housing assembly;

[0025] Figure 6 is a three-dimensional view of the water tank assembly;

[0026] Figure 7 is a perspective view of the base assembly, water pump assembly, heating assembly, brewing assembly, steam assembly, circuit board assembly, and display assembly;

[0027] Figure 8 is a three-dimensional view of the water pump assembly;

[0028] Figure 9 is a three-dimensional view of the heating assembly;

[0029] Figure 10 is a 3D view of the brewing components;

[0030] Figure 11 is a three-dimensional view of the steam assembly.

[0031] Correspondence between the reference signs and the component names is as follows: 1, shell assembly, 11, upper shell assembly, 111, main shell, 112, hanging piece, 113, upper cover, 12, bottom shell assembly, 121, base, 122, water inlet device, 123, flow meter, 124, support frame, 101, containing cavity, 102, water supply port, 103, water tank accommodating hole, 104, backflow port, 105, flow meter water inlet port, 106, flow meter water outlet port; 2, water tank assembly, 21, water tank, 22, hook, 201, water storage cavity, 202, lower water passage; 3, water pump assembly, 31, water pump, 32, safety valve, 301, pump water inlet port, 302, pump water outlet port, 303, pressure relief port; 4, heating assembly, 401, heating water inlet port, 402, heating water outlet port; 5, brewing assembly, 51, brewing head, 52, brewing handle, 501, brewing water inlet port, 502, brewing water outlet port, 503, air outlet; 6, steam assembly, 61, steam valve, 62, steam pipe, 601, first steam port, 602, second steam port; 7, circuit board assembly; 8, display assembly. DETAILED DESCRIPTION

[0032] In order to enable anyone skilled in the art to better understand the above-mentioned purposes, features and advantages of the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0033] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and therefore the scope of protection of the present application is not limited by the specific embodiments disclosed below.

[0034] Some embodiments of the coffee machine of the present application are described below with reference to the accompanying drawings.

[0035] Embodiments

[0036] As shown in Figures 1-11, the present embodiment discloses a coffee machine, comprising: a shell assembly 1, the shell assembly 1 is provided with a containing cavity 101 and a water supply port 102; a water tank assembly 2, the water tank assembly 2 is provided with a water storage cavity 201 and a lower water passage 202, the water storage cavity 201, the lower water passage 202 and the water supply port 102 are sequentially communicated; a water pump assembly 3, the water pump assembly 3 is arranged on the shell assembly 1 and located in the containing cavity 101, the water pump assembly 3 is provided with a pump-in water port 301, the pump-in water port 301 can be communicated with the water supply port 102; a heating assembly 4, the heating assembly 4 is arranged on the shell assembly 1 and located in the containing cavity 101; a brewing assembly 5, the brewing assembly 5 is arranged on the shell assembly 1 and partially located in the containing cavity 101; a steam assembly 6, the steam assembly 6 is arranged on the shell assembly 1 and partially located in the containing cavity 101; the water pump assembly 3, the heating assembly 4, the brewing assembly 5 and the steam assembly 6 are sequentially connected by pipes, or the heating assembly 4, the water pump assembly 3, the brewing assembly 5 and the steam assembly 6 are sequentially connected by pipes, or the water pump assembly 3 and the heating assembly 4 are connected by pipes and the heating assembly 4 is connected with the brewing assembly 5 and the steam assembly 6 by pipes respectively, or the heating assembly 4 and the water pump assembly 3 are connected by pipes and the water pump assembly 3 is connected with the brewing assembly 5 and the steam assembly 6 by pipes respectively.

[0037] The present application discloses a coffee machine, by arranging the water pump assembly 3, the heating assembly 4, the brewing assembly 5 and the steam assembly 6 in the containing cavity 101 provided by the shell assembly 1, firstly, the internal space of the shell assembly 1 is fully utilized, reducing the overall volume of the coffee machine, secondly, multiple key components are concentrated in one containing cavity 101, realizing the high integration of the coffee machine, reducing the connection and wiring between components, making the structure more compact, from the appearance, making the appearance of the coffee machine more simple and beautiful, without too many exposed parts, at the same time, the containing cavity 101 provides certain protection for each component, reducing the damage of external factors such as dust, collision, humidity, etc. to the components, prolonging the service life of each component. The water tank assembly 2 is arranged in the water tank accommodating hole 103 provided by the shell assembly 1, providing a clear installation position for the water tank assembly 2, so that it can be stably placed in the coffee machine, avoiding displacement or shaking during use, making the water tank assembly 2 and the shell assembly 1 integrated, the appearance is more neat and smooth, further improving the overall beauty of the coffee machine, and the water storage cavity 201, the lower water passage 202, the water supply port 102 and the pump-in water port 301 provided by the water tank assembly 2 are sequentially communicated, ensuring that water can smoothly flow from the water storage cavity 201 to other parts of the coffee machine through the lower water passage 202 and the water supply port 102, providing stable water flow for the coffee making process, ensuring the consistency and stability of extraction, and the water flows in a closed passage, reducing the opportunity to contact the outside world and reducing the possibility of being contaminated, thereby improving the hygiene of the water used for making coffee.

[0038] As shown in FIG. 2, FIG. 3 and FIG. 5, in addition to the features of the above embodiments, the present embodiment is further defined as: the shell assembly 1 comprises an upper shell assembly 11 and a bottom shell assembly 12, the upper shell assembly 11 is arranged on the bottom shell assembly 12, the upper shell assembly 11 and the bottom shell assembly 12 jointly enclose the accommodation cavity 101, the bottom shell assembly 12 is provided with a water inlet 102 and a water tank accommodating hole 103, and part of the water tank assembly 2 is adapted to the water tank accommodating hole 103. By arranging the upper shell assembly 11 on the bottom shell assembly 12, the shell structure of the coffee machine is formed, and the combination of the two forms the accommodation cavity 101. By reasonably designing the shape and structure of the upper shell assembly 11 and the bottom shell assembly 12, the internal space can be fully utilized, and various components can be compactly installed in the shell, thereby protecting the internal components such as the water pump assembly 3, the heating assembly 4, etc. from physical damage, dust, water vapor, etc. from the outside. Furthermore, the upper shell assembly 11 is arranged on the bottom shell assembly 12, and the two support and fix each other, thereby enhancing the structural strength and stability of the entire coffee machine. The water tank accommodating hole 103 and the water inlet 102 are arranged on the bottom shell assembly 12, and the bottom shell assembly 12 can provide more stable support for the water tank assembly 2, thereby ensuring that the water tank assembly 2 will not shake or shift during installation and use, thereby ensuring the stability of water supply. At the same time, by utilizing the gravity difference between the position of the water tank assembly 2 being higher than the water inlet 102, water can naturally flow to the water inlet 102, thereby reducing the dependence on additional power equipment and simplifying the water supply system.

[0039] As shown in FIG. 2 and FIG. 3, in addition to the features of the above embodiments, the present embodiment is further defined as: the upper shell assembly 11 comprises a main shell 111, a hanging piece 112 and an upper cover 113, the main shell 111 is arranged on the bottom shell assembly 12, the hanging piece 112 and the upper cover 113 are arranged on the main shell 111, and the hanging piece 112 is adapted to install the water tank assembly 2. By arranging the main shell 111 on the bottom shell assembly 12, the bottom shell assembly 12 can provide more stable basic support, and after being combined with the main shell 111, the structural strength of the entire coffee machine can be enhanced, thereby making it less likely to deform or be damaged during use. By arranging the hanging piece 112 and the upper cover 113 on the main shell 111, the upper cover 113 further plays a protective role, preventing dust and foreign matter from entering and protecting the cleanliness and safety of the internal components, while the hanging piece 112 provides support for the water tank assembly 2, thereby ensuring the stable position of the water tank assembly 2 in the coffee machine and reducing the problems of water leakage or loose connection caused by shaking or shifting. At the same time, the hanging piece 112 also shares the weight of the water tank borne by the bottom shell assembly 12, thereby reducing the risk of deformation or damage of the bottom shell assembly 12 due to long-term bearing of the water tank pressure.

[0040] As shown in FIGS. 2, 3 and 5, in addition to the features of the above embodiments, the present embodiment is further defined as follows: the bottom shell assembly 12 comprises a base 121, a water inlet device 122, a flow meter 123 and a support frame 124, the main shell 111 is arranged on the base 121, the base 121 is provided with a water tank accommodating hole 103, the water inlet device 122 is arranged on the base 121 and located at the water tank accommodating hole 103, the flow meter 123 is arranged on the base 121 and located in the accommodating cavity 101, the water inlet device 122 and the flow meter inlet 105 provided by the flow meter 123 are communicated through a pipeline, and the support frame 124 is arranged on the base 121. By arranging the main shell 111 on the base 121, the main shell 111 can be prevented from directly contacting the ground or the table top, thereby avoiding damage caused by moisture, dirt or collision, so as to better protect the functional components inside. By arranging the water inlet device 122 on the base 121 and at the water tank accommodating hole 103 provided by the base 121, the space of the base is fully utilized, the overall structure of the coffee machine is more compact, the internal space is saved, and the coffee machine can be closely matched with the water tank assembly 2 to achieve the purpose of making the coffee machine more convenient to obtain water source. By arranging the flow meter 123 on the base assembly 121 and in the accommodating cavity 101, and by communicating the water inlet device 122 and the flow meter inlet 105 provided by the flow meter 123 through a pipeline, it is ensured that the water flow can pass through the measurement of the flow meter 123 and then enter the subsequent processing link, so that the measurement data is accurate and reliable, thereby ensuring the consistency of the water consumption for each coffee brewing, and ensuring the stability of the coffee taste and quality. By arranging the support frame 124 on the base 121, the cup is at a suitable height and position, which is convenient for catching the coffee flowing out of the brewing assembly 5, reduces the possibility of coffee splashing, can also avoid direct contact of hot coffee with the table top, prevents damage to the table top, reduces the risk of coffee staining the table top, and improves the user's experience satisfaction.

[0041] As shown in FIGS. 2, 3, 5 and 6, in addition to the features of the above embodiments, the present embodiment is further defined as: the water tank assembly 2 comprises a water tank 21 and a hook 22, the hook 22 is arranged on the water tank 21, the hook 22 is hung on the hanging piece 112, the water tank 21 is arranged on the base 121, the water tank 21 is provided with a water storage cavity 201 and a water outlet passage 202, the water inlet device 122 is provided with the water supply opening 102, the water tank 21 can be separated from or abut against the water inlet device 122, when the water tank 21 abuts against the water inlet device 122, the water outlet passage 202 communicates with the water supply opening 102, and when the water tank 21 is separated from the water inlet device 122, the water outlet passage 202 is blocked from the water supply opening 102. By arranging the hook 22 on the water tank 21, and using the hook 22 to hang the water tank 21 on the hanging piece 112 arranged on the shell assembly 1, this design allows the user to easily hang or remove the water tank assembly 22, and facilitates water filling, cleaning or maintenance, etc., and ensures that the water tank assembly 22 has a clear and stable position in the coffee machine, preventing the water tank from moving or shaking during use, and affecting the stability of water supply. The water tank 21 is arranged on the base 121 at the water tank accommodating hole 103, and the water inlet device 122 can abut against or separate from the water tank 21, when the user lifts the water tank assembly 2 to fill water, the water outlet passage 202 is blocked from the water supply opening 102, and when the user places the water tank assembly 2 on the base 121, the water inlet device 122 abuts against the water tank assembly 2, at this time, the water storage cavity 201, the water outlet passage 202 and the water supply opening 102 are sequentially communicated, this structure realizes the automatic connection of the water tank assembly 2 and the water supply system of the coffee machine, without the need for additional operation, which is convenient and fast, and ensures that after the water tank is placed in place, water can continuously and stably flow from the water tank assembly 2 to the inside of the coffee machine, meeting the water demand in the coffee making process.

[0042] As shown in FIG. 1, FIG. 3, FIG. 5 and FIG. 8, in addition to the features of the above embodiments, the present embodiment is further defined as: the water pump assembly 3 comprises a water pump 31 and a safety valve 32, the safety valve 32 is arranged on the water pump 31, the water pump 31 is arranged on the housing assembly 1, the water pump 31 is provided with a pump inlet 301, the pump inlet 301 is communicated with the flowmeter outlet 106 provided on the flowmeter 123 or the pump inlet 301 is communicated with the water inlet 102, the safety valve 32 is provided with a pressure relief port 303, the water inlet device 122 is provided with a backflow port 104, and the pressure relief port 303 is communicated with the backflow port 104. By arranging the water pump 31 on the housing assembly 1, and the pump inlet 301 provided on the water pump 31 is communicated with the flowmeter outlet 106 provided on the flowmeter 123 or the water inlet 102, when the flowmeter 123 is needed to detect the water supply flow, the pump inlet 301 can be communicated with the flowmeter outlet 106 of the flowmeter 123, according to the measurement data of the flowmeter 123, the water flow entering the water pump 31 is accurately controlled, so as to ensure the accuracy of the water quantity for coffee brewing, and ensure the stability of the coffee quality, when the flowmeter 123 is not needed, the pump inlet 301 is directly communicated with the water inlet 102, so that the water path is more simple and direct, the resistance and energy loss of the water flow are reduced, the speed and efficiency of water supply are improved, and at the same time, the complexity and potential failure points of the water path system are also reduced. By arranging the safety valve 32 on the water pump 31, and the pressure relief port 303 provided on the safety valve 32 is communicated with the backflow port 104 provided on the water inlet device 122, firstly, when the pressure generated by the water pump 31 exceeds the safety threshold, the safety valve 32 will automatically open to release pressure, at this time, the water flow is backflowed from the water pump 31 to the water tank assembly 2, which effectively prevents the damage of the water pump 31, the pipeline and other components caused by the excessive pressure, prolongs the service life of the equipment, and secondly, it is helpful to maintain the pressure stability in the water path system of the coffee machine, ensures that the water pressure in the coffee making process is within a suitable range, so as to ensure the extraction quality and taste consistency of the coffee, and improve the user experience.

[0043] As shown in FIGS. 8 and 9, in addition to the features of the above embodiments, the present embodiment is further defined as: the heating assembly 4 is provided with a heating water inlet 401 and a heating water outlet 402, the heating water inlet 401 is in communication with the heating water outlet 402, the water pump assembly 3 is provided with a pump water outlet 302, the pump water inlet 301 is in communication with the pump water outlet 302, and the pump water outlet 302 is in communication with the heating water inlet 401. By connecting the heating water inlet 401 provided by the heating assembly 4 with the pump water outlet 302, the water pump assembly 3 can now draw water from the water inlet 102 into the pump body, flow from the pump water inlet 301, and then flow out from the pump water outlet 302 and into the heating assembly 4 through the heating water inlet 401. The heating assembly 4 can then heat the water to the required temperature for coffee brewing, improving the efficiency of coffee making. This direct connection allows the heating assembly to more accurately control the heating process of the incoming water, making the waterway system more compact and direct, reducing unnecessary pipes and connectors, and reducing the complexity and potential failure points of the system. At the same time, it also helps to achieve stable and accurate water temperature control, ensuring the quality and taste of the coffee.

[0044] As shown in FIGS. 1, 5, 9 and 10, in addition to the features of the above embodiments, the present embodiment is further defined as: the brewing assembly 5 includes a brewing head 51 and a brewing handle 52, the brewing head 51 is arranged on the housing assembly 1 and partially located in the containing cavity 101, and the brewing handle 52 is arranged on the brewing head 51. The brewing head 51 is provided with a brewing water inlet 501 and a brewing water outlet 502, and the heating water outlet 402, the brewing water inlet 501 and the brewing water outlet 502 are in sequence. By arranging the brewing head 51 on the housing assembly 1 and partially in the containing cavity 101, the containing cavity 101 can provide certain protection for the brewing head 51, so that it is not affected by external collisions, prolonging its service life, and at the same time ensuring that the brewing head 51 remains stable during the operation of the coffee machine, and will not be displaced or shaken due to vibration or other factors, thereby ensuring the accuracy and stability of the brewing. By arranging the brewing handle 52 on the brewing head 51 to form the brewing assembly 5, the user can complete the powder loading and brewing actions in the same position, making the operation process more coherent and convenient, saving time and effort. Since the brewing head 5 is provided with a brewing water inlet 501 and a brewing water outlet 502, the heated water flows out from the heating water outlet 402 and enters the brewing assembly 5 through the brewing water inlet 501. The user controls the coffee to flow out from the brewing water outlet 502 by operating the brewing handle 52, and at this time the user can enjoy the hot coffee, meeting the user's usage needs.

[0045] As shown in FIG. 1, FIG. 5, FIG. 10 and FIG. 11, in addition to the features of the above embodiments, the present embodiment is further defined as: the steam assembly 6 comprises a steam valve 61 and a steam pipe 62, the steam valve 61 is arranged on the housing assembly 1 and located in the accommodating cavity 101, the steam valve 61 is provided with a first steam port 601 and a second steam port 602, the brewing assembly 5 is provided with an air outlet 503, the air outlet 503, the first steam port 601 and the second steam port 602 are sequentially communicated, the steam pipe 62 is communicated with the steam valve 61 through a pipeline, and the steam pipe 62 is arranged on the housing assembly 1 and penetrates the accommodating cavity 101. By arranging the steam valve 61 on the housing assembly 1 and locating it in the accommodating cavity 101, the accommodating cavity 101 provides certain physical protection for the steam valve 61, reduces the risk of external collision and damage, helps to maintain the temperature around the steam valve 61, reduces heat loss during steam transmission, and improves energy utilization efficiency. When the steam valve 61 is provided with the first steam port 601 and communicated with the air outlet 503 provided on the brewing assembly 5, the water source is changed into steam by using the heating assembly 4 when the milk needs to be foamed. Since the brewing head 51 is provided with a one-way valve, the steam is sprayed out of the air outlet 503 of the brewing head 51 and enters the steam valve 61. At this time, the user opens the steam valve 61 and the steam pipe 62, and the steam finally comes out of the steam pipe 62, realizing the process of whipping the milk, enriching the coffee making method and taste, and meeting the actual needs of the user. Arranging the steam pipe 62 on the housing assembly 1 and leaking out can ensure that the steam can smoothly reach the area where it needs to act, and it is convenient for the user to operate, reducing the difficulty and complexity of operation.

[0046] As shown in FIG. 1, FIG. 5 and FIG. 7, in addition to the features of the above embodiments, the present embodiment is further defined as: further comprising a circuit board assembly 7, the circuit board assembly 7 is arranged on the housing assembly 1 and located in the accommodating cavity 101, and the circuit board assembly 7 is electrically connected with the water pump assembly 3 and the heating assembly 4 respectively. By arranging the circuit board assembly 7 on the housing assembly 1 and locating it in the accommodating cavity 101, the accommodating cavity 101 can provide certain physical protection for the circuit board assembly 7, reduce damage from external impact, dust, moisture, etc., prolong the service life of the circuit board assembly 7, and at the same time ensure that the circuit board assembly 7 will not be loose due to vibration or other factors when the coffee machine is working, ensuring the stability of the circuit connection. The water pump assembly 3 and the heating assembly 4 are controlled by using the circuit board assembly 7, realizing precise control and adjustment of water flow and water temperature, making the coffee machine more convenient and intelligent to use.

[0047] As shown in FIG. 1, FIG. 5 and FIG. 7, in addition to the features of the above embodiments, the present embodiment is further defined as: further comprising a display assembly 8, which is disposed on the housing assembly 1 and partially located in the accommodating cavity 101. By disposing the display assembly 8 on the housing assembly 1 and partially locating it in the accommodating cavity 101, the accommodating cavity 101 provides a certain degree of physical protection for the display assembly 8, reducing the risk of damage from collisions, scratches, liquid splashes and the like, while enabling the display assembly 8 to better integrate with the housing assembly 1, enhancing the overall aesthetics and harmony of the coffee machine and improving its market competitiveness.

[0048] The technical features of the above embodiments can be combined in any manner. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described, but it should be understood that any combination of the technical features is within the scope of the present disclosure as long as the combination does not result in contradictions.

[0049] The above embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A coffee maker, characterized in that, The coffee machine comprises: a shell assembly (1) provided with a containing cavity (101) and a water supply port (102); a water tank assembly (2) provided with a water storage cavity (201) and a lower water passage (202), the water storage cavity (201) and the lower water passage (202) being in communication and the water supply port (102) being in communication in sequence; a water pump assembly (3) arranged on the shell assembly (1) and located in the containing cavity (101), the water pump assembly (3) being provided with a pump-in water port (301) capable of being in communication with the water supply port (102); a heating assembly (4) arranged on the shell assembly (1) and located in the containing cavity (101); a brewing assembly (5) arranged on the shell assembly (1) and partially located in the containing cavity (101); a steam assembly (6) arranged on the shell assembly (1) and partially located in the containing cavity (101); the water pump assembly (3), the heating assembly (4), the brewing assembly (5) and the steam assembly (6) are connected in sequence by pipelines, or the heating assembly (4), the water pump assembly (3), the brewing assembly (5) and the steam assembly (6) are connected in sequence by pipelines, or the water pump assembly (3) and the heating assembly (4) are connected by pipelines and the heating assembly (4) is connected with the brewing assembly (5) and the steam assembly (6) by pipelines respectively, or the heating assembly (4) and the water pump assembly (3) are connected by pipelines and the water pump assembly (3) is connected with the brewing assembly (5) and the steam assembly (6) by pipelines respectively.

2. Coffee maker according to claim 1, characterized in that The shell assembly (1) comprises an upper shell assembly (11) and a bottom shell assembly (12), the upper shell assembly (11) is arranged on the bottom shell assembly (12), the upper shell assembly (11) and the bottom shell assembly (12) jointly form the containing cavity (101), the bottom shell assembly (12) is provided with the water supply port (102) and a water tank accommodating hole (103), part of the water tank assembly (2) is adapted to the water tank accommodating hole (103).

3. The coffee maker of claim 2, wherein, The upper shell assembly (11) comprises a main shell (111), a hanging piece (112) and an upper cover (113), the main shell (111) is arranged on the bottom shell assembly (12), the hanging piece (112) and the upper cover (113) are arranged on the main shell (111), and the hanging piece (112) is adapted to be installed with the water tank assembly (2).

4. Coffee maker according to claim 3, characterized in that The bottom shell assembly (12) comprises a base (121), a water inlet device (122), a flow meter (123) and a support frame (124), the main shell (111) is arranged on the base (121), the base (121) is provided with the water tank accommodating hole (103), the water inlet device (122) is arranged on the base (121) and located at the water tank accommodating hole (103), the flow meter (123) is arranged on the base (121) and located in the accommodating cavity (101), the water inlet device (122) and the flow meter (123) are communicated by pipelines, and the support frame (124) is arranged on the base (121).

5. The coffee maker of claim 4, wherein, The water tank assembly (2) comprises a water tank (21) and a hook (22), the hook (22) is arranged on the water tank (21), the hook (22) is hung on the hanging piece (112), the water tank (21) is arranged on the base (121), the water tank (21) is provided with the water storage cavity (201) and the drain passage (202), the water inlet device (122) is provided with the water supply port (102), the water tank (21) can be separated from or abutted against the water inlet device (122), when the water tank (21) abuts against the water inlet device (122), the drain passage (202) is communicated with the water supply port (102), and when the water tank (21) is separated from the water inlet device (122), the drain passage (202) is blocked from the water supply port (102).

6. The coffee maker of claim 4, wherein, The water pump assembly (3) comprises a water pump (31) and a safety valve (32), the safety valve (32) is arranged on the water pump (31), the water pump (31) is arranged on the shell assembly (1), the water pump (31) is provided with the pump water inlet (301), the pump water inlet (301) is communicated with the flow meter water outlet (106) provided by the flow meter (123) or the pump water inlet (301) is communicated with the water supply port (102), the safety valve (32) is provided with a pressure relief port (303), the water inlet device (122) is provided with a backflow port (104), and the pressure relief port (303) is communicated with the backflow port (104).

7. The coffee maker of claim 1, wherein, The heating assembly (4) is provided with a heating water inlet (401) and a heating water outlet (402), the heating water inlet (401) is communicated with the heating water outlet (402), the water pump assembly (3) is provided with a pump water outlet (302), the pump water inlet (301) is communicated with the pump water outlet (302), and the pump water outlet (302) is communicated with the heating water inlet (401).

8. The coffee maker of claim 7, wherein, The brewing assembly (5) comprises a brewing head (51) and a brewing handle (52), the brewing head (51) is arranged on the shell assembly (1) and partially located in the containing cavity (101), the brewing handle (52) is arranged on the brewing head (51), the brewing head (51) is provided with a brewing inlet (501) and a brewing outlet (502), the heating outlet (402), the brewing inlet (501) and the brewing outlet (502) are sequentially communicated.

9. The coffee maker of claim 8, wherein, The steam assembly (6) comprises a steam valve (61) and a steam pipe (62), the steam valve (61) is arranged on the shell assembly (1) and located in the containing cavity (101), the steam valve (61) is provided with a first steam port (601) and a second steam port (602), the brewing assembly (5) is provided with an air outlet (503), the air outlet (503), the first steam port (601) and the second steam port (602) are sequentially communicated, the steam pipe (62) is communicated with the steam valve (61) through a pipeline, the steam pipe (62) is arranged on the shell assembly (1) and penetrates the containing cavity (101).

10. The coffee machine according to claim 1, characterized in that, Further comprising a circuit board assembly (7), the circuit board assembly (7) is arranged on the shell assembly (1) and located in the containing cavity (101), the circuit board assembly (7) is respectively electrically connected with the water pump assembly (3) and the heating assembly (4); And / or further comprising a display assembly (8), the display assembly (8) is arranged on the shell assembly (1) and partially located in the containing cavity (101).

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