Brewing structure of coffee machine

Abstract

The utility model discloses a coffee machine brewing structure which comprises a brewing device, the brewing device comprises a brewing shell and a brewing unit arranged in the brewing shell, a rail unit is arranged on the inner surface of the brewing shell, and the brewing unit comprises a powder feeding and pressing assembly and a powder feeding and pressing assembly. The powder feeding and pressing assembly comprises a powder feeding assembly arranged at the upper end in the brewing shell and a powder pressing assembly arranged on one side of the powder feeding assembly; the brewing assembly is arranged below the powder feeding assembly; the transmission assembly is arranged on one side of the brewing assembly; the automatic brewing device is reasonable in structural design, the compact and efficient automatic brewing process is achieved through the combination of the brewing shell and the internal brewing unit, and time and space are saved; the transmission assembly is accurate and stable, and smooth and reliable movement of the brewing assembly is guaranteed; through the arrangement of the brewing assembly, the extraction effect is optimized, and the coffee quality is improved; the track unit accurately guides actions, and continuous, accurate and stable operation is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to coffee machine field especially relates to a coffee machine brewing structure. BACKGROUND

[0002] In the current coffee machine field, the existing brewing structure has many deficiencies. The traditional coffee machine brewing structure is often simple in the powder feeding link, cannot accurately control the entering amount and uniformity of coffee powder, and leads to unstable concentration and taste of coffee.

[0003] In the powder pressing process, there is lack of effective pressure regulation mechanism, it is difficult to ensure that the compaction degree of coffee powder is uniform and consistent, and the extraction effect is affected. The transmission system is not precise enough, and it is easy to appear jam or deviation, so that the movement of the brewing assembly is not smooth, and the accuracy and efficiency of brewing are affected. The track design is unreasonable, and the brewing assembly is easy to be blocked or deviated when moving, which not only affects the smoothness of work, but also may shorten the service life of the equipment. Moreover, some coffee machines have problems in the powder cake ejection link after completing brewing, that is, it is difficult to eject or not completely ejected, which affects the subsequent brewing of the residual powder cake and increases the difficulty of cleaning and maintenance. SUMMARY

[0004] The utility model provides a coffee machine brewing structure aiming at the present situation of prior art.

[0005] The utility model provides a coffee machine brewing structure aiming at the present situation of prior art.

[0006] The effect reached by the above-mentioned components is that by setting the brewing device, the brewing device includes the brewing shell and the internal brewing unit, the integration and compact design of the brewing process are realized. The collaborative work of the powder feeding and pressing assembly, the brewing assembly and the transmission assembly makes the entering, pressing and extraction process of coffee powder automatic and coherent, and the brewing efficiency and stability are improved.

[0007] Preferably, the transmission assembly comprises a motor assembly arranged on the outer surface of the brewing shell and a connecting rod assembly arranged on one side of the brewing assembly; the connecting rod assembly comprises a first connecting rod, a second connecting rod and a third connecting rod connected in sequence, and the motor assembly comprises a motor arranged on the outer surface of the brewing shell and a first transmission gear and a second transmission gear engaged in sequence, one end of the second transmission gear is drivingly connected with the first connecting rod through the brewing shell, the second connecting rod is slidingly arranged on the track unit, and the third connecting rod is connected with the second connecting rod and slidingly arranged on the track unit.

[0008] The above-mentioned components achieve the effect that the cooperation of the motor assembly and the connecting rod assembly in the transmission assembly can accurately transmit the power of the motor to the brewing assembly, realizing stable and reliable movement control. The gear transmission mode ensures the accuracy and stability of transmission, reducing energy loss.

[0009] Preferably, the brewing assembly comprises a brewing bin, a sliding shell sleeved on the brewing bin and slidingly arranged along the track unit, and a sliding sleeve assembly arranged at the lower end of the brewing bin, a water inlet and outlet connector and a powder dropping slope arranged opposite to the water inlet and outlet connector are arranged on one side of the brewing bin, a push plate is arranged in the brewing bin, the sliding sleeve assembly comprises an upper sliding sleeve arranged at the lower end of the brewing bin, a lower sliding sleeve sleeved on the lower end of the upper sliding sleeve, and a push rod penetrating through the upper sliding sleeve and the lower sliding sleeve and connected with the push plate, elastic members are arranged in the upper sliding sleeve and the lower sliding sleeve along the push rod, and a sliding rod is arranged at the lower end of the lower sliding sleeve along the track unit.

[0010] The above-mentioned components achieve the effect that the brewing assembly is designed ingeniously, the cooperation of the brewing bin, the sliding shell and the sliding sleeve assembly makes the process of containing, moving and extracting coffee powder more smooth. The arrangement of the push plate and the elastic members helps to eject and remove the powder cake, facilitating operation and cleaning. The design of the water inlet and outlet connector optimizes water flow and improves extraction effect. The powder cake falls along the powder dropping slope.

[0011] Preferably, the track unit comprises a translation track arranged in the brewing shell along the lateral direction of the brewing assembly, a lifting track group arranged above the translation track along the powder pressing assembly, and a back-shaped track arranged on the inner surface of the brewing shell at the lower end along the sliding sleeve assembly; the second connecting rod is slidingly arranged in the translation track, the third connecting rod is connected with the second connecting rod and slidingly arranged in the translation track, the sliding rod is slidingly arranged in the back-shaped track, and a limiting convex point is arranged in the back-shaped track.

[0012] The above-mentioned components achieve the effect that the arrangement of the track unit, including the translation track, the lifting track group and the back-shaped track, provides accurate path guidance for the movement of the brewing assembly, ensuring the accuracy and continuity of each action. The design of the limiting convex point can prevent excessive movement of the brewing assembly, ensuring the safety and stability of operation.

[0013] Preferably, the lifting track group comprises a first slide arranged transversely, a second slide connected with the sliding shell in transverse sliding mode, and a third slide arranged vertically along the powder pressing assembly, and the other end of the third connecting rod is connected with the sliding shell in transverse sliding mode and arranged in the first slide, and the first slide and the second slide are both communicated with the third slide.

[0014] The effect achieved by the above-mentioned components is that the unique design of the lifting track group, including the communication of the first slide, the second slide and the third slide, realizes the smooth transition of the brewing assembly in different directions, and improves the fluency and efficiency of the brewing process.

[0015] Preferably, the powder pressing assembly comprises a piston and a powder pressing hammer arranged below the piston, and the piston drives the powder pressing hammer to move up and down through the change of water pressure.

[0016] The effect achieved by the above-mentioned components is that the piston in the powder pressing assembly drives the powder pressing hammer to move up and down through the change of water pressure, which can automatically adjust the powder pressing strength according to the water pressure, ensure the uniformity and compactness of the powder pressing, and thus improve the extraction effect and the quality of coffee.

[0017] Preferably, the powder feeding assembly comprises a powder feeding channel, a powder hopper arranged above the powder feeding channel, and a powder grinding piece arranged on one side of the powder feeding channel, and a water inlet and outlet interface is arranged on one side of the powder feeding channel, and when the brewing assembly moves below the powder pressing assembly, the water inlet and outlet connector is connected by being arranged in the water inlet and outlet interface.

[0018] The effect achieved by the above-mentioned components is that the cooperation of the powder feeding channel, the powder hopper and the powder grinding piece in the powder feeding assembly realizes the automatic supply and pretreatment of coffee powder, and improves the automation degree of brewing. The design of the water inlet and outlet interface facilitates the connection with the brewing assembly and the supply of water.

[0019] Preferably, the brewing bin is provided with an unlocking button along the two sides of the powder falling slope, the unlocking button is provided with a second elastic piece, and the sliding shell is detachably connected with the brewing bin by pressing the unlocking button and cooperating with the second elastic piece.

[0020] The effect achieved by the above-mentioned components is that the unlocking button arranged along the two sides of the powder falling slope of the brewing bin and the second elastic piece enable the detachable connection between the sliding shell and the brewing bin. Thus, the cleaning, maintenance and component replacement of the brewing bin and the sliding shell are facilitated. Through the pressing of the unlocking button and the cooperation with the second elastic piece, the operation is simple and convenient, and the use experience is improved. At the same time, the detachable connection structure is convenient for targeted maintenance when a fault occurs, and the maintenance cost is reduced.

[0021] Preferably, the motor is provided with a motor shaft, the motor drives the first gear to rotate, the second gear is engaged with the first gear, the second gear is provided with a gear shaft, and the gear shaft is arranged in the brewing shell and is drivingly connected with the first connecting rod.

[0022] The above-mentioned components achieve the effect that the connection mode of the motor and the gear is simple and direct, the transmission efficiency is high, the rotational motion of the motor can be effectively converted into the linear motion of the connecting rod assembly, so that the brewing assembly can be driven to perform accurate actions.

[0023] Preferably, the lifting track group is in the shape of an inverted F.

[0024] The above-mentioned components achieve the effect that the lifting track group is in the shape of an inverted F, which meets the movement requirements of the brewing assembly, realizes a complex movement track in a limited space, saves space, and improves the compactness of the structure.

[0025] Compared with the prior art, the utility model has the advantages that the combination of the brewing shell and the internal brewing unit realizes a compact and efficient automatic brewing process, saves time and space, the transmission assembly is accurate and stable, the movement of the brewing assembly is smooth and reliable, the brewing assembly optimizes the extraction effect and improves the quality of coffee, the track unit accurately guides the action, ensures coherence and accuracy, and stably operates, the powder pressing assembly automatically adjusts the force and uniformly presses the coffee powder to fully extract the flavor, the powder feeding assembly automatically supplies and pretreats the coffee powder, improves the degree of automation, and the components work cooperatively to improve the brewing efficiency and reduce the operation and maintenance costs. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of the utility model;

[0027] Figure 2 is a structural schematic view of the internal structure of the utility model;

[0028] Figure 3 is a structural schematic view of the brewing assembly and the transmission assembly of the utility model;

[0029] Figure 4 is a structural schematic view of the powder feeding and pressing assembly of the utility model;

[0030] Figure 5 is a structural schematic view of the brewing shell of the utility model;

[0031] Figure 6 is a structural schematic view of the utility model in use state 1;

[0032] Figure 7 is a structural schematic view of the utility model in use state 2;

[0033] Figure 8 is a decomposition structure schematic view of the brewing assembly of the utility model.

[0034] Label: 1, brewing device; 2, brewing shell; 3, brewing unit; 4, track unit; 5, powder feeding and pressing assembly; 6, powder feeding assembly; 7, powder pressing assembly; 8, brewing assembly; 9, transmission assembly; 10, motor assembly; 11, connecting rod assembly; 12, first connecting rod; 13, second connecting rod; 14, third connecting rod; 15, motor; 16, first transmission gear; 17, second transmission gear; 18, brewing bin; 19, sliding shell; 20, sliding sleeve assembly; 21, water inlet and outlet joint; 22, powder falling slope; 23, push plate; 24, upper sliding sleeve; 25, lower sliding sleeve; 26, push rod; 27, elastic member; 28, sliding rod; 29, translation track; 30, lifting track group; 31, back-shaped track; 32, first sliding way; 33, second sliding way; 34, third sliding way; 35, piston member; 36, powder pressing hammer; 37, powder feeding channel; 38, powder hopper; 39, powder grinding member; 40, water inlet interface; 41, limiting convex point; 42, unlocking button; 43, second elastic member. DETAILED DESCRIPTION

[0035] In the following, a plurality of embodiments of the present application will be disclosed with reference to the drawings. For the purpose of clear illustration, a plurality of practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the present application. That is, in some embodiments of the present application, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0036] It should be noted that all directional indications, such as up, down, left, right, front, back, etc., in the embodiments of the present application are used only to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0037] In addition, in addition to being used to represent the orientation or positional relationship, the above-mentioned terms can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain attachment relationship or connection relationship in some cases. For ordinary skilled persons in the art, the specific meanings of these terms in the present application can be understood according to the specific circumstances.

[0038] In addition, the terms "mounting", "arrangement", "provided with", "connected", "linked", "sleeved" should be interpreted broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium, or internal communication between two devices, elements or components. The connection mode involved in the present application is prior art without any improvement, which is common knowledge to those skilled in the art. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and does not mean to specially indicate the order or sequence, nor to limit the present application. It is only to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but must be based on the realization of ordinary skilled in the art. When the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0040] In the present embodiment 1,

[0041] As Figures 1 to 7 shown, the present application provides a coffee machine brewing structure, which comprises a brewing device 1, the brewing device 1 comprises a brewing shell 2 and a brewing unit 3 arranged in the brewing shell 2, the inner surface of the brewing shell 2 is arranged with a track unit 4, the brewing unit 3 comprises: a powder feeding and pressing assembly 5, the powder feeding and pressing assembly 5 comprises a powder feeding assembly 6 arranged at the upper end in the brewing shell 2 and a powder pressing assembly 7 arranged at one side of the powder feeding assembly 6; a brewing assembly 8, the brewing assembly 8 is arranged below the powder feeding assembly 6; a transmission assembly 9, the transmission assembly 9 is arranged at one side of the brewing assembly 8; when used, the coffee powder enters the brewing assembly 8 through the powder feeding assembly 6, the transmission assembly 9 is started, driving the brewing assembly 8 to move along the track unit 4 to below the powder pressing assembly 7, the powder pressing assembly 7 moves up and down with the change of water pressure, and the coffee powder in the brewing assembly 8 is pressed and extracted, then the transmission assembly 9 drives the brewing assembly 8 to move back to below the powder feeding assembly 6, at the same time, the powder cake in the brewing assembly 8 will be ejected and removed during the movement.

[0042] By setting the brewing device 1, the brewing device 1 comprises a brewing shell 2 and an internal brewing unit 3, which realizes the integration and compact design of the brewing process. The cooperation of the powder entering and pressing assembly 5, the brewing assembly 8 and the transmission assembly 9 makes the entering, pressing and extraction process of coffee powder automatic and continuous, which improves the brewing efficiency and stability.

[0043] The transmission assembly 9 comprises a motor assembly 10 arranged on the outer surface of the brewing shell 2 and a connecting rod assembly 11 arranged on one side of the brewing assembly 8; the connecting rod assembly 11 comprises a first connecting rod 12, a second connecting rod 13 and a third connecting rod 14 connected in sequence, the motor assembly 10 comprises a motor 15 arranged on the outer surface of the brewing shell 2 and a first transmission gear 16 and a second transmission gear 17 engaged in sequence, one end of the second transmission gear 17 penetrates the brewing shell 2 and is drivingly connected with the first connecting rod 12, the second connecting rod 13 is slidingly arranged along the track unit 4, and the third connecting rod 14 is connected with the brewing assembly 8 along the track unit 4.

[0044] The cooperation of the motor assembly 10 and the connecting rod assembly 11 in the transmission assembly 9 can accurately transmit the power of the motor 15 to the brewing assembly 8, realizing stable and reliable movement control. The gear transmission mode ensures the accuracy and stability of transmission, reducing energy loss.

[0045] The brewing assembly 8 comprises a brewing chamber 18, a sliding shell 19 sleeved on the brewing chamber 18 and slidingly arranged along the track unit 4, and a sliding sleeve assembly 20 arranged at the lower end of the brewing chamber 18, a water inlet and outlet connector 21 is arranged on one side of the brewing chamber 18, and a powder falling slope 22 is arranged opposite to the water inlet and outlet connector 21, a push plate 23 is arranged in the brewing chamber 18, the sliding sleeve assembly 20 comprises an upper sliding sleeve 24 arranged at the lower end of the brewing chamber 18, a lower sliding sleeve 25 sleeved on the lower end of the upper sliding sleeve 24, and a push rod 26 penetrating the upper sliding sleeve 24 and the lower sliding sleeve 25 and connected with the push plate 23, the push rod 26 is arranged with an elastic member 27 along the upper sliding sleeve 24 and the lower sliding sleeve 25, and a sliding rod 28 along the track unit 4 is arranged at the lower end of the lower sliding sleeve 25.

[0046] The design of the brewing assembly 8 is ingenious, and the cooperation of the brewing chamber 18, the sliding shell 19 and the sliding sleeve assembly 20 makes the containing, moving and extraction process of coffee powder more smooth. The arrangement of the push plate 23 and the elastic member 27 helps to eject and remove the powder cake, which is convenient for operation and cleaning. The design of the water inlet and outlet connector 21 optimizes the water flow and improves the extraction effect. The powder cake falls along the powder falling slope 22.

[0047] The track unit 4 includes a translation track 29 arranged transversely in the brewing shell 2, a lifting track group 30 arranged above the translation track 29 along the powder pressing assembly 7, and a back-shaped track 31 arranged at the lower end of the inner surface of the brewing shell 2 along the sliding sleeve assembly 20; the second connecting rod 13 is slidingly arranged in the translation track 29, the third connecting rod 14 is slidingly arranged in the translation track 29 in connection with the second connecting rod 13, the sliding rod 28 is slidingly arranged in the back-shaped track 31, and the back-shaped track 31 is arranged with a limiting convex point 41.

[0048] The arrangement of the track unit 4, including the translation track 29, the lifting track group 30, and the back-shaped track 31, provides precise path guidance for the movement of the brewing assembly 8, ensuring the accuracy and continuity of each action. The design of the limiting convex point 41 can prevent excessive movement of the brewing assembly 8, ensuring the safety and stability of the operation.

[0049] The lifting track group 30 includes a first sliding channel 32 arranged transversely, a second sliding channel 33 slidingly connected with the sliding shell 19, and a third sliding channel 34 arranged vertically along the powder pressing assembly 7; the other end of the third connecting rod 14 is slidingly connected with the sliding shell 19 and arranged in the first sliding channel 32; the first sliding channel 32 and the second sliding channel 33 are both in communication with the third sliding channel 34.

[0050] The unique design of the lifting track group 30, including the communication of the first sliding channel 32, the second sliding channel 33, and the third sliding channel 34, realizes smooth transition of the brewing assembly 8 in different directions, improving the smoothness and efficiency of the brewing process.

[0051] The powder pressing assembly 7 includes a piston 35 and a powder pressing hammer 36 arranged below the piston 35; the piston 35 drives the powder pressing hammer 36 to move up and down through water pressure changes.

[0052] In the powder pressing assembly 7, the piston 35 drives the powder pressing hammer 36 to move up and down through water pressure changes, which can automatically adjust the powder pressing force according to the water pressure, ensuring the uniformity and compactness of the powder pressing, thereby improving the extraction effect and coffee quality.

[0053] The powder feeding assembly 6 includes a powder feeding channel 37, a powder hopper 38 arranged above the powder feeding channel 37, and a grinding element 39 arranged on one side of the powder feeding channel 37; a water inlet and outlet interface is arranged on one side of the powder feeding channel 37, and when the brewing assembly 8 moves below the powder pressing assembly 7, the water inlet and outlet connector 21 is connected by being arranged in the water inlet and outlet interface.

[0054] The cooperation of the powder feeding channel 37, the powder hopper 38, and the grinding element 39 in the powder feeding assembly 6 realizes automatic supply and pretreatment of coffee powder, improving the degree of automation of brewing. The design of the water inlet and outlet interface facilitates the connection with the brewing assembly 8 and the supply of water.

[0055] The unlocking button 42 is arranged on both sides of the powder falling slope 22 of the brewing bin 18, and a second elastic member 43 is arranged in the unlocking button 42, and the sliding shell 19 is detachably connected with the brewing bin 18 by pressing the unlocking button 42 and cooperating with the second elastic member 43.

[0056] The unlocking button 42 and the second elastic member 43 arranged on both sides of the powder falling slope 22 of the brewing bin 18 enable the detachable connection between the sliding shell 19 and the brewing bin 18, thereby facilitating the cleaning, maintenance and component replacement of the brewing bin 18 and the sliding shell 19.

[0057] The motor 15 is provided with a motor shaft extending upward, the motor 15 drives the first gear to rotate, the second gear is engaged with the first gear, the second gear is provided with a gear shaft extending upward, and the gear shaft is arranged in the brewing shell 2 and is drivingly connected with the first connecting rod 12.

[0058] The motor 15 and the gear are connected in a simple and direct manner, the transmission efficiency is high, the rotary motion of the motor 15 can be effectively converted into the linear motion of the connecting rod assembly 11, so that the brewing assembly 8 is driven to accurately move.

[0059] The lifting track group 30 is in the shape of an inverted F.

[0060] The lifting track group 30 is designed in the shape of an inverted F, which meets the movement requirements of the brewing assembly 8, realizes a complex movement track in a limited space, saves the space and improves the compactness of the structure.

[0061] As shown in the drawings, Figures 1 to 7 The combination of the brewing shell 2 and the internal brewing unit 3 realizes a compact and efficient automatic brewing process, saves time and space, the transmission assembly 9 is accurate and stable, the movement of the brewing assembly 8 is smooth and reliable, the brewing assembly 8 is designed ingeniously, the extraction effect is optimized, and the quality of coffee is improved, the track unit 4 accurately guides the movement, ensures the continuity and accuracy, and stably operates, the powder pressing assembly 7 automatically adjusts the force and uniformly presses the coffee powder to fully extract the flavor, the powder feeding assembly 6 automatically supplies and pretreats the coffee powder, improves the degree of automation, and the components work cooperatively, improves the brewing efficiency, and reduces the operation and maintenance costs.

[0062] In this embodiment 2,

[0063] As shown in the drawings, Figures 1 to 7 The working principle of the utility model is as follows:

[0064] Firstly, the coffee powder enters the brewing assembly 8 through the powder inlet channel 37 of the powder inlet assembly 6. At this time, the motor 15 in the transmission assembly 9 is started, driving the first transmission gear 16 and the second transmission gear 17 to rotate, the rotation of the second gear drives the first connecting rod 12 through the gear shaft, and then drives the second connecting rod 13 and the third connecting rod 14 to move.

[0065] The first connecting rod 12 in the connecting rod assembly 11 rotates with the gear shaft, drives the second connecting rod 13 connected thereto to slide in the translation slide, and the end of the third connecting rod 14 connected with the second connecting rod 13 slides at the same time, driving the other end of the third connecting rod 14 to move. The other end of the third connecting rod 14 is connected with the sliding shell 19, and the third connecting rod 14 slides along the first slide 32, driving the sliding shell 19 to slide along the second slide 33 until it slides into the third slide 34, and then rises along the third slide 34, so that the brewing assembly 8 moves to the lower side of the powder pressing assembly 7; the brewing assembly 8 first moves laterally in the translation track 29, reaches the lifting track group 30, and then rises along the lifting track group 30 to the lower side of the powder pressing assembly 7;

[0066] At the same time, the sliding sleeve assembly 20 moves synchronously along the connecting rod assembly 11, the sliding rod 28 in the sliding sleeve assembly 20 translates along the back-shaped track 31 and then rises, and when it rises to the limiting protrusion 41, the sliding rod 28 passes through the limiting protrusion 41 and is stopped by the limiting protrusion 41 from moving downward, so that the upper sliding sleeve 24 is retracted into the lower sliding sleeve 25, and the push rod 26 is arranged to move upward to drive the push plate 23 to eject the powder cake. When the brewing assembly 8 moves to the lower side of the powder inlet assembly 6, the upper sliding sleeve 24 retracted in the lower sliding sleeve 25 is reset by the elastic member 27, and at this time the sliding sleeve assembly 20 is reset with the brewing assembly 8.

[0067] The piston member 35 in the powder pressing assembly 7 drives the powder pressing hammer 36 to move up and down according to the change of water pressure, and compacts the coffee powder in the brewing assembly 8.

[0068] After the powder extraction is completed, the transmission assembly 9 drives the brewing assembly 8 to move along the track unit 4 again. The brewing assembly 8 first descends along the lifting track group 30, and then moves laterally in the translation track 29 to return to the lower side of the powder inlet assembly 6.

[0069] During the return movement, the powder cake in the brewing assembly 8 is ejected under the action of the push plate 23 and the push rod 26, and then moves out by abutting against the powder cake through the powder inlet channel 37, and the powder cake falls along the powder falling slope 22.

[0070] In the description of the present specification, the terms "one embodiment", "some embodiments", "example", "specific example" and the like refer to specific examples of the present application. The present application can have more than one embodiment, and the terms "one embodiment", "some embodiments", "example", "specific example" and the like do not refer to the same embodiment or example. The terms "one embodiment", "some embodiments", "example", "specific example" and the like do not refer to the same embodiment or example.

[0071] The description of the term "an example" or "some examples" or the like means that a particular feature, structure, material or characteristic described in connection with the example is included in at least one embodiment or example of the present application. In this specification, illustrative representations of the above-mentioned terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and combine the features of different embodiments or examples described in the specification and the features of different embodiments or examples, without contradiction.

[0072] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet, welding and sticking in the prior art, which will not be described in detail here.

[0073] The above is only a preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, various modifications and changes can be made in the specific implementation mode and application range, and the content of the specification should not be understood as a limitation of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A coffee maker brewing structure comprising a brewing device, characterized in that: The brewing device comprises a brewing shell and a brewing unit arranged in the brewing shell, an inner surface of the brewing shell is arranged with a track unit, and the brewing unit comprises: A powder feeding and pressing assembly, which comprises a powder feeding assembly arranged at an upper end in the brewing shell and a powder pressing assembly arranged at one side of the powder feeding assembly; A brewing assembly arranged below the powder feeding assembly; A transmission assembly arranged at one side of the brewing assembly; When in use, coffee powder enters the brewing assembly through the powder feeding assembly, the transmission assembly is started to drive the brewing assembly to move along the track unit to below the powder pressing assembly, the powder pressing assembly moves up and down with the change of water pressure to press and extract the coffee powder in the brewing assembly, then the transmission assembly drives the brewing assembly to move back to below the powder feeding assembly, and at the same time, the powder cake in the brewing assembly is ejected and removed during the movement.

2. A coffee maker brewing structure according to claim 1, characterized in that: The transmission assembly comprises a motor assembly arranged on an outer surface of the brewing shell and a connecting rod assembly arranged at one side of the brewing assembly; the connecting rod assembly comprises a first connecting rod, a second connecting rod and a third connecting rod connected in sequence, the motor assembly comprises a motor arranged on the outer surface of the brewing shell and a first transmission gear and a second transmission gear engaged in sequence, one end of the second transmission gear penetrates through the brewing shell and is drivingly connected with the first connecting rod, the second connecting rod is slidingly arranged along the track unit, and the third connecting rod is connected with the brewing assembly along the track unit.

3. A coffee maker brewing structure according to claim 2, characterized in that: The brewing assembly comprises a brewing bin, a sliding shell sleeved on the brewing bin and slidingly arranged along the track unit, and a sliding sleeve assembly arranged at a lower end of the brewing bin, one side of the brewing bin is arranged with a water inlet and outlet connector and a powder falling slope arranged opposite to the water inlet and outlet connector, the brewing bin is arranged with a push plate inside, the sliding sleeve assembly comprises an upper sliding sleeve arranged at the lower end of the brewing bin, a lower sliding sleeve sleeved on the lower end of the upper sliding sleeve, and a push rod penetrating through the upper sliding sleeve and the lower sliding sleeve and connected with the push plate, the push rod is arranged with an elastic member inside the upper sliding sleeve and the lower sliding sleeve, and the lower end of the lower sliding sleeve is arranged with a sliding rod slidingly arranged along the track unit.

4. A coffee maker brewing structure according to claim 3, characterized in that: The track unit comprises a translation track arranged in the brewing shell transversely to the brewing assembly, a lifting track group arranged above the translation track to the powder pressing assembly, and a back-shaped track arranged at a lower end of an inner surface of the brewing shell to the sliding sleeve assembly; the second connecting rod is slidingly arranged in the translation track, the third connecting rod is slidingly arranged in the translation track in connection with the second connecting rod, the sliding rod is slidingly arranged in the back-shaped track, and the back-shaped track is arranged with a limiting convex point.

5. A coffee maker brewing structure according to claim 1, wherein: The lifting track group comprises a first slide channel arranged transversely, a second slide channel slidingly connected with the sliding shell, and a third slide channel arranged vertically to the powder pressing assembly, the other end of the third connecting rod is slidingly connected in the first slide channel to connect with the sliding shell, and the first slide channel and the second slide channel are both communicated with the third slide channel.

6. A coffee maker brewing structure according to claim 5, characterized in that: The powder pressing assembly comprises a piston member and a powder pressing hammer arranged below the piston member; the piston member drives the powder pressing hammer to move up and down with the change of water pressure.

7. A coffee maker brewing structure according to claim 6, characterized in that: The powder feeding assembly comprises a powder feeding channel, a powder hopper arranged above the powder feeding channel, and a powder grinding member arranged at one side of the powder feeding channel, and a water inlet and outlet interface is arranged at the one side of the powder feeding channel, and the water inlet and outlet joint is connected in the water inlet and outlet interface when the brewing assembly moves to the position below the powder pressing assembly.

8. A coffee maker brewing structure according to claim 3, characterized in that: The unlocking button is arranged at both sides of the brewing bin along the powder falling slope, a second elastic member is arranged in the unlocking button, and the sliding shell is detachably connected with the brewing bin by pressing the unlocking button and cooperating with the second elastic member.

9. A coffee maker brewing structure according to claim 2, wherein: The motor is extended to be provided with a motor shaft, the motor drives the first gear to rotate, the second gear is engaged with the first gear, the second gear is extended to be provided with a gear shaft, and the gear shaft is drivingly connected with the first connecting rod through the brewing shell.

10. A coffee maker brewing structure according to claim 1, wherein: The lifting track group is in the shape of an inverted F track.

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