CN211270097U

CN211270097U - Brewing device and beverage machine

Info

Publication number: CN211270097U
Application number: CN201922119050.2U
Authority: CN
Inventors: 吴茂国; 白玉东; 周士杰
Original assignee: Shenzhen Xifei Technology Co Ltd
Current assignee: Shenzhen Xifei Technology Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-18
Anticipated expiration: 2029-11-29

Abstract

The embodiment of the utility model discloses brewing device and beverage machine, brewing device include the installing support, dash and steep the chamber, dash and steep head, piston assembly, scraper blade and first drive assembly. The mounting bracket is provided with a guide structure; the brewing cavity is connected with the mounting bracket in a sliding way; the brewing head is movably arranged on one side of the brewing cavity, and the brewing head can move towards or away from the brewing cavity relative to the brewing cavity; the piston assembly movably penetrates through the brewing cavity and is movably connected with the guide structure, the piston assembly moves along the guide structure, and the piston assembly is used for pushing out the waste materials after the brewing cavity is brewed; the scraping plate is movably arranged on one side of the brewing cavity and is used for scraping the waste material pushed out by the piston assembly; the first driving assembly is respectively connected with the brewing cavity and the scraping plate and is used for respectively driving the brewing cavity and the scraping plate to move. Through the arrangement, the waste in the brewing cavity can be smoothly discharged out of the brewing cavity, the structure is simple, and the production cost is reduced.

Description

Brewing device and beverage machine

Technical Field

The embodiment of the utility model provides a relate to beverage preparation machine field, especially relate to a brewing device and beverage machine.

Background

After the beverage preparation machine completes the brewing operation, the waste capsule in the brewing chamber needs to be discharged for the next brewing operation.

The brewing device of the beverage preparation machine on the market at present is usually provided with an elastic part in a brewing cavity, the elastic part discharges the waste capsules out of the brewing cavity after the brewing is finished, but the waste capsules still can be stuck in the brewing cavity, and the elastic part cannot smoothly discharge the waste capsules. Therefore, what is needed is an efficient way to expel the waste capsules.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims at providing a brewing device, can be smoothly with abandonment capsule discharge bubble chamber.

In order to achieve the above object, the utility model discloses a technical scheme be:

there is provided a brewing device comprising:

a mounting bracket provided with a guide structure;

the brewing cavity is connected to the mounting bracket in a sliding manner and can move along a preset direction relative to the mounting bracket;

the brewing head is movably arranged on one side of the brewing cavity, and the brewing head can move towards or away from the brewing cavity relative to the brewing cavity;

the piston assembly movably penetrates through the brewing cavity, can move along with the brewing cavity, is movably connected with the guide structure, can move along the guide structure, so that the piston assembly can move along the central axis of the brewing cavity relative to the brewing cavity, and is used for pushing out the waste materials after the brewing cavity is brewed;

the scraping plate is movably arranged on one side of the brewing cavity and is used for scraping the waste materials pushed out by the piston assembly;

the first driving assembly is respectively connected with the brewing cavity and the scraping plate and is used for respectively driving the brewing cavity and the scraping plate to move.

In some embodiments, the guide structure is a through slot that extends through a side wall of the mounting bracket, the piston assembly cooperating with the through slot.

In some embodiments, the guiding structure includes a first through groove and a second through groove, the first through groove is disposed at an angle to the predetermined direction, the start end of the first through groove is farther from the predetermined direction than the end thereof, the second through groove is disposed in parallel with the central axis of the piston assembly, one end of the second through groove is communicated with the first through groove, and the other end of the second through groove is disposed toward a direction away from the predetermined direction.

In some embodiments, the mounting bracket is provided with a guide structure, and the brewing chamber is slidably connected with the guide structure and can move along the guide structure.

In some embodiments, the guide structure is proximate a bottom of the brewing chamber relative to the guide structure, and the guide structure is proximate an opening of the brewing chamber relative to the guide structure.

In some embodiments, the piston assembly comprises a piston rod and a resilient member;

one end of the piston rod movably penetrates through the bottom of the brewing cavity, the piston rod can move along the central axis of the piston rod relative to the brewing cavity, the other end of the piston rod movably penetrates through the guide structure, the piston rod can also slide along the guide structure relative to the mounting bracket, and the piston rod is used for pushing the waste materials out of the brewing cavity;

the elastic piece is elastically connected with the piston rod and the brewing cavity and used for resetting the piston rod.

In some embodiments, the piston rod is provided with a beverage flow passage, the beverage flow passage penetrates through the piston rod along the central axis of the piston rod, and the beverage flow passage is used for allowing the brewed beverage in the brewing cavity to be output outwards.

In some embodiments, the piston rod comprises an end portion, a rod portion and a guide portion, wherein the end portion and the guide portion are fixedly connected to two ends of the rod portion respectively;

the end part is contained in the brewing cavity, the rod part movably penetrates through the bottom of the brewing cavity and is connected to the end part, the guide part movably penetrates through the guide structure, and the guide part can slide along the guide structure relative to the mounting bracket.

In some embodiments, the brewing chamber comprises a first chamber and a second chamber fixedly connected with the first chamber, the inner diameter of the second chamber is larger than that of the first chamber, and a waste liquid hole is arranged at the bottom of the first chamber and used for discharging waste liquid in the brewing chamber;

one end of the piston assembly penetrating through the brewing cavity can be in sealing fit with the inner side wall of the first cavity body and can also be in clearance fit with the second cavity body.

On the other hand, the embodiment of the utility model provides a beverage machine still provides, beverage machine includes foretell brewing device.

Compared with the prior art, the embodiment of the utility model provides a brewing device, it includes the installing support, dashes to steep the chamber, dashes to steep head, piston assembly, scraper blade and first drive assembly. The mounting bracket is provided with a guide structure; the brewing cavity is connected with the mounting bracket in a sliding way; the brewing head is movably arranged on one side of the brewing cavity, and the brewing head can move towards or away from the brewing cavity relative to the brewing cavity; the piston assembly movably penetrates through the brewing cavity, can move along with the brewing cavity, is movably connected with the guide structure, moves along the guide structure and is used for pushing out the waste materials after the brewing cavity is brewed; the scraping plate is movably arranged on one side of the brewing cavity and is used for scraping the waste material pushed out by the piston assembly; the first driving assembly is respectively connected with the brewing cavity and the scraping plate and is used for respectively driving the brewing cavity and the scraping plate to move. Through the arrangement, the waste in the brewing cavity can be smoothly discharged out of the brewing cavity, the structure is simple, and the production cost is reduced.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a perspective view of a beverage machine provided by an embodiment of the present invention;

fig. 2 is a perspective view of a beverage maker according to an embodiment of the present invention, in which a housing is omitted;

fig. 3 is a perspective view of a brewing device of a beverage machine provided by an embodiment of the present invention;

FIG. 4 is a perspective view of a mounting bracket of the brewing device of FIG. 3;

FIG. 5 is a perspective view of the attachment of the brewing device of FIG. 3;

FIG. 6 is a perspective view of a linkage of the brewing device of FIG. 3;

FIG. 7 is a perspective view of the gear plate and scraper of the brewing device of FIG. 3;

FIG. 8 is a perspective view of a portion of the brewing device of FIG. 3;

FIG. 9 is a schematic view of a brewing chamber and piston assembly of the brewing device of FIG. 3;

fig. 10 is a schematic view of the brewing device of fig. 3 in an operating state;

FIG. 11 is a schematic view of another operating condition of the brewing device of FIG. 10;

FIG. 12 is a schematic view of another operating condition of the brewing device of FIG. 11;

fig. 13 is a schematic view of another operating state of the brewing device of fig. 12.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used herein, the terms "vertical," "horizontal," "left," "right," "upper," "lower," "inner," "outer," "bottom," and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience in describing the present invention and to simplify the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, embodiments of the present invention provide a beverage dispenser 100, wherein the beverage dispenser 100 can realize an automatic vending function. The beverage machine 100 includes a housing 10, a brewing device 20, a bin 30 and a waste bin (not shown), the interior of the housing 10 is hollow, the brewing device 20, the bin 30 and the waste bin are all accommodated in the housing 10, the brewing device 20 is used for preparing beverage and outputting the beverage to the outside of the housing 10, the bin 30 is used for storing raw materials and providing the raw materials for the brewing device 20, and the waste bin is used for recovering waste discharged after the brewing of the brewing device 20 is completed.

The raw materials are classified in the storage form, and can be capsules, or bulk soybean powder, bean bodies and the like; the raw materials can be coffee, fruit beverage, tea beverage, etc. according to the category of the raw materials. In the present embodiment, for convenience of description, the capsule is taken as an example for description.

Of course, the present invention is not limited to raw materials, for example, when the cartridge is used for storing bean powder (e.g., coffee powder), the brewing device 20 may still be used to achieve the preparation of the beverage, wherein the cartridge is provided with a restriction structure (not shown) for enabling the cartridge to quantitatively deliver the bean powder to the brewing device 20. Preferably, when the cartridge is used for storing beans, the beverage maker 100 further comprises a bean grinder (not shown) connected to the cartridge and the brewing device 20, and the bean grinder is used for grinding the beans in the cartridge and then delivering the ground beans to the brewing device 20 to provide the freshly ground beverage for the user.

In the beverage machine 100 provided by the embodiment of the present invention, the number of the brewing devices 20 can be set according to actual needs, and only at least one is needed. In this embodiment, in order to meet different requirements of users, the beverage dispenser 100 includes at least two brewing devices 20 and the storage bins 30 corresponding to the brewing devices 20 one by one, one brewing device 20 corresponds to one storage bin 30, and different storage bins 30 can store different raw materials, so that the beverage dispenser 100 can provide various types of currently brewed beverages for the users, and different brewing devices of the beverage dispenser 100 can respectively brew different raw materials simultaneously, so as to provide multiple cups of beverages for the users, thereby greatly improving user experience.

The beverage maker 100 is provided with a fixed bracket 110, the fixed bracket 110 is accommodated in the housing 10, the fixed bracket 110 is connected with the housing 10, at least two brewing devices 20 are arranged and installed on the fixed bracket 110, a waste bin is detachably installed on the fixed bracket 110, and the waste bin is located below the brewing devices 20, so that the waste can fall into the waste bin under the action of gravity of the waste bin.

The exterior of the housing 10 is provided with a user interface 101 and a beverage outlet area 102, the user interface 101 being available for selection and payment by a user when purchasing a beverage, the beverage prepared by the brewing device 20 being output to the beverage outlet area 102. The user may first place the cup at the beverage type outlet corresponding to the beverage outlet area 102, and after the beverage is prepared, the brewing device 20 outputs the beverage to the cup at the beverage outlet area 102, and then the user may pick up the cup by himself for drinking.

The beverage machine 100 is further provided with at least two beverage outlet pipes 120, one beverage outlet pipe 120 corresponds to one brewing device 20, the input ends of the beverage outlet pipes 120 are communicated with the brewing device 20, the output ends of the beverage outlet pipes 120 penetrate through the beverage outlet area 102 of the housing 10, and the beverage outlet pipes 120 are used for outputting the beverage brewed by the brewing device 20 to the outside.

The beverage maker 100 is further provided with a water inlet assembly 130, the water inlet assembly 130 is connected with the brewing device 20, and the water inlet assembly 130 is used for providing a water source for the brewing device 20. The water supply provided by the water inlet assembly 130 may be used for brewing the beverage in the brewing device 20, on the one hand, and the water supply provided by the water inlet assembly 130 may be used for flushing the brewing chamber described below, on the other hand. The water inlet assembly 130 includes a water inlet tube and a solenoid valve communicating the water inlet tube with the brewing device 20, the solenoid valve being adapted to control whether water is passed therethrough and delivered to the brewing device 20. Specifically, the solenoid valve communicates a water inlet tube, which may be a flexible tube, with the brewing head described below.

Referring also to fig. 3, the brewing device 20 includes a mounting bracket 21, a brewing chamber 22, a first driving assembly 23, a brewing head 24, a second driving assembly 25, a piston assembly 26, and a scraper 27.

The mounting bracket 21 is fixedly mounted on the fixing bracket 110; the brewing cavity 22 is movably connected to the mounting bracket 21, an opening of the brewing cavity 22 faces upwards, and the brewing cavity 22 can reciprocate relative to the mounting bracket 21 along a preset direction; the brewing head 24 is movably arranged at one side of the brewing cavity 22 with the opening facing, the brewing head 24 can move in a reciprocating linear motion towards or away from the brewing cavity 22 relative to the brewing cavity 22, the brewing head 24 and the brewing cavity 22 can be mutually matched to form a relatively closed cavity, and capsules can be brewed in the cavity; the piston assembly 26 movably penetrates through the brewing cavity 22, the piston assembly 26 can reciprocate along the brewing cavity 22 relative to the mounting bracket 21 along a preset direction, and the piston assembly 26 is movably connected with the mounting bracket 21, so that the piston assembly 26 can reciprocate along the central axis of the piston assembly relative to the brewing cavity 22, and the piston assembly 26 is used for pushing out waste capsules after brewing in the brewing cavity 22; the scraping plate 27 can reciprocate relative to the brewing cavity 22, and the scraping plate 27 is used for scraping the waste capsules pushed out by the piston assembly 26; the first driving assembly 23 is respectively connected with the brewing cavity 22 and the scraping plate 27, and the first driving assembly 23 is used for respectively driving the brewing cavity 22 and the scraping plate 27 to move; a second drive assembly 25 is connected to the brew head 24, the second drive assembly 25 being adapted to drive the motion of the brew head 24.

Wherein, the first driving component 23 can drive the brewing chamber 22 to move to the first station, the second station and the third station along the preset direction. When the brewing chamber 22 is in the first station, the piston assembly 26 is away from the opening of the brewing chamber 22, and the capsule can enter the brewing chamber 22; when the brewing cavity 22 is located at the second station, the second driving component 25 drives the brewing head 24 to move to be matched with the brewing cavity 22, and at the moment, the brewing head 24 and the brewing cavity 22 form a relatively closed cavity and brew capsules; during the process of moving the brewing chamber 22 from the second station to the third station, the piston assembly 26 moves towards the opening of the brewing chamber 22 and pushes the waste capsule to the opening of the brewing chamber 22, and at the same time, the first driving assembly 23 drives the scraping plate 27 to scrape the waste capsule off. The first station and the third station are respectively two extreme positions of the brewing chamber 22 moving along the preset direction.

Referring to fig. 4, the mounting bracket 21 is provided with a receiving cavity 201, the receiving cavity 201 penetrates through the mounting bracket 21, and the brewing cavity 22 is received in the receiving cavity 21 and can reciprocate in the receiving cavity 21 along a predetermined direction. The mounting bracket 21 comprises a parallel portion 211 and a bending portion 212, the parallel portion 211 comprises two flat side plates which are arranged in parallel, the bending portion 212 is formed by symmetrically bending and extending the same ends of the two flat side plates and then closing the flat side plates towards each other, and the parallel portion 211 and the bending portion 212 are connected to form the accommodating cavity 201.

The mounting bracket 21 is provided with a guide structure 202, the brewing chamber 22 is slidably connected with the guide structure 202, the brewing chamber 22 can move along the length direction of the guide structure 202, the guide structure 202 is used for enabling the brewing chamber 22 to slide back and forth along a preset direction, namely the preset direction is the length direction of the guide structure 202, and the first station, the second station and the third station are arranged along the length direction of the guide structure 202. In the present embodiment, the guiding structure 202 is arranged linearly.

The mounting bracket 21 is further provided with a guiding structure 203, the guiding structure 203 being close to the bottom of the brewing chamber 22 with respect to the guiding structure 202, the guiding structure 202 being close to the opening of the brewing chamber 22 with respect to the guiding structure 203. The piston assembly 26 is movably connected to a guide structure 203, the piston assembly 26 is reciprocally movable along the guide structure 203, and the guide structure 203 is used for guiding the piston assembly 26 to move along its central axis relative to the brewing chamber 22.

The piston assembly 26 is simultaneously movable along the guide structure 202 and the guide structure 203, respectively, such that the piston assembly 26 is movable along its central axis relative to the brewing chamber 22, such that the piston assembly 26 is movable relative to the brewing chamber 22 towards or away from the opening of the brewing chamber 22 to allow the capsule to enter the brewing chamber 22 or to be pushed out of the brewing chamber 22 by the piston assembly 26.

With continued reference to fig. 3 and 4, the first driving assembly 23 includes a first motor 231, a transmission gear 232, a gear plate 233, a connecting member 234, and a connecting rod 235.

The bent portion 212 of the mounting bracket 21 is provided with a motor mounting seat 213, and the first motor 231 is mounted to the motor mounting seat 213. The transmission gear 232 is connected to an output shaft of the first motor 231, and the output shaft of the first motor 231 can drive the transmission gear 232 to rotate. The driving gear 232 is used to connect the gear plate 233 and the first motor 231.

The gear plate 233 is in a circular cake shape, the gear plate 233 is meshed with the transmission gear 232, gear teeth are arranged on the outer side wall of the circumference of the gear plate 233, the gear plate 233 is meshed with the transmission gear 232 through the gear teeth, and the transmission gear 232 can drive the gear plate 233 to rotate around the central axis of the gear plate 233. The gear plate 233 and the transmission gear 232 are both located on one side of the mounting bracket 21 away from the fixing bracket 110, the gear plate 233 and the transmission gear 232 can both rotate around their own central axes, and the gear plate 233 and the transmission gear 232 are relatively fixed in their own central axes.

The connecting member 234 is slidably mounted to the mounting bracket 21, the connecting member 234 is movable in a predetermined direction relative to the mounting bracket 21, the brewing chamber 22 is mounted to the connecting member 234, and one end of the connecting rod 235 is connected to the gear plate 233. The other end of the link 235 is connected to the link 234, and the link 235 can rotate relative to the link 234 and drive the link to move in a predetermined direction.

Specifically, the connecting member 234 is slidably mounted on the guide structure 202, the connecting member 234 can slide back and forth along the length direction of the guide structure 202, the brewing chamber 22 is mounted on the connecting member 234, and the brewing chamber 22 can slide back and forth along the length direction of the guide structure 202 along with the connecting member 234, so that the brewing chamber 22 can reciprocate along the preset direction. One end of the connecting rod 235 is offset from the center of the gear plate 233 and is rotatably connected to one surface of the gear plate 233 facing the accommodating cavity 201, the other end of the connecting rod 235 is movably connected to the connecting member 234, and the connecting rod 235 can rotate relative to the connecting member 234 and drive the connecting member 234 to move.

The gear disc 233, the connecting rod 235 and the connecting piece 234 are connected to form a crank-connecting rod mechanism, the first motor 231 can drive the gear disc 233 to rotate through the transmission gear 232, the gear disc 233 drives the connecting piece 234 to do reciprocating linear motion along the guide structure 202 through the connecting rod 235, and therefore the rotary motion output by the first motor 231 is converted into the reciprocating linear motion of the brewing cavity 22.

It will be appreciated that in some other embodiments, the guiding structure 202 may be arranged in an arc, and the gear plate 233, the connecting rod 235 and the connecting member 234 may be connected to form a "crank and rocker mechanism" which may move the brewing chamber 22 to the first, second and third positions, respectively, and may also allow for brewing of the capsule and pushing the waste capsule out of the brewing chamber 22 by the piston assembly 26.

The first motor 231 can drive the gear plate 233 to rotate about its own central axis in a first rotational direction or a second rotational direction through the transmission gear 232, such that the brewing chamber 22 can move along the guide structure 202 to be opposite to the gear plate 233 or away from the gear plate 233, wherein the first rotational direction and the second rotational direction are opposite.

Specifically, when the gear plate 233 rotates around its central axis in the first rotation direction, the brewing chamber 22 moves away from the gear plate 233 along the guide structure 202, that is, the brewing chamber 22 moves in the direction from the first station to the third station; when the gear plate 233 rotates around its central axis in the second rotation direction, the brewing chamber 22 moves along the guiding structure 202 to be opposite to the gear plate 233, i.e. the brewing chamber 22 moves in the direction from the third station to the first station.

Further, the diameter of the gear plate 233 is larger than that of the transmission gear 232, and the gear plate 233 and the transmission gear 232 are engaged to form a speed reduction mechanism which reduces the speed of the motion transmitted to the brewing chamber 22 by the first motor 231, so that the brewing chamber 22 can smoothly make a reciprocating linear motion along the guide structure 202 to ensure the stability of the operation of the brewing chamber 22.

In some other embodiments, the transmission gear 232 may be omitted, and the first motor 231 is connected to the gear plate 233, and the first motor 231 can directly drive the gear plate 233 to rotate around its central axis.

Referring to fig. 5, the connecting member 234 is U-shaped, the connecting member 234 includes a first connecting portion 2341 and a second connecting portion 2342, the first connecting portion 2341 is fixedly connected to the second connecting portion 2342, the first connecting portion 2341 is arc-shaped, and two second connecting portions 2342 are respectively extended from two ends of the first connecting portion 2341 in parallel. One end of the connecting rod 235 is rotatably connected to the gear plate 233, the other end of the connecting rod 235 is movably connected to the first connecting portion 2341, and the connecting rod 235 can rotate relative to the first connecting portion 2341 and drives the first connecting portion 2341 to move. The brewing chamber 22 is installed between two second connecting portions 2342, the outer side wall of the second connecting portions 2342 is provided with a first flange 2343, the first flange 2343 is slidably connected with the guide structure 202, and the first flange 2343 can slide along the guide structure 202. In this embodiment, the guiding structure 202 is a groove that fits the first ledge 2343. The groove is formed in the inner side wall of the parallel portion 211, the first flange 2343 is slidably mounted in the groove, and the first flange 2343 can slide along the length direction of the groove relative to the mounting bracket 21, so that the brewing chamber 22 can slide back and forth along the length direction of the groove.

In some other embodiments, the guiding structure 202 may be a first flange, an outer side wall of the second connecting portion 2342 is provided with a groove matched with the first flange, the first flange is arranged on an inner side wall of the parallel portion 211, the groove is slidably mounted on the first flange, and the groove is slidable along a length direction of the first flange.

In some other embodiments, the connecting member 234 may be omitted, the outer side wall of the brewing chamber 22 is provided with a first flange 2343 for matching with the groove, one end of the connecting rod 235 is offset from the center of the gear plate 233 and is rotatably connected to the gear plate 233, the other end of the connecting rod 235 is movably connected to the brewing chamber 22, and the connecting rod 235 can rotate relative to the brewing chamber 22 and drive the brewing chamber 22 to move.

Referring to fig. 6, the link 235 includes a rotating portion 2351, a first link portion 2352 and a second link portion 2353, wherein the rotating portion 2351 is cylindrical, the first link portion 2352 and the second link portion 2353 are respectively extended from two sidewalls of the rotating portion 2351 to the same side, and the two first link portions 2352 are symmetrically disposed on the rotating portion 2351. The rotating portion 2351 is rotatably coupled to a surface of the gear plate 233 facing the accommodating chamber 201. One end of the first link portion 2352 and the second link portion 2353 away from the rotating portion 2351 are slidably connected to the first connection portion 2341, and the first link portion 2352 and the second link portion 2353 can both slide along the arc length direction of the first connection portion 2341, so that the link 235 can rotate relative to the connection member 234. Through the above arrangement, the two first link portions 2352 and the one second link portion 2353 of the link 235 are movably connected to the connecting member 234 together, so that the connection between the link 235 and the connecting member 234 is ensured, the link 235 and the connecting member 234 are prevented from being separated, and meanwhile, the rotary motion of the gear plate 233 is converted into the linear motion of the connecting member 234 along the guide structure 202.

Referring to fig. 7, the gear plate 233 is provided with a connecting shaft 2331, and the connecting shaft 2331 is offset from the center of the gear plate 233 and fixedly connected to a surface of the gear plate 233 facing the accommodating chamber 201. The rotating portion 2351 is rotatably sleeved on the connecting shaft 2331, and the rotating portion 2351 can rotate around the connecting shaft 2331.

The connecting member 234 is provided with a second flange 2344 and a connecting groove 2345, the second flange 2344 and the connecting groove 2345 are both arc-shaped, the second flange 2344 is fixedly connected to the connecting member 234, and the connecting groove 2345 penetrates through the connecting member 234. Specifically, the second protrusion 2344 is disposed along the arc length direction of the first connection portion 2341, the second protrusion 2344 is fixedly connected to the first connection portion 2341, the first connection portion 2341 faces away from the fixing support 110, and the connection groove 2345 penetrates through the side wall of the first connection portion 2341.

Referring to fig. 6, a sliding portion 2354 is disposed at an end of the first connecting rod portion 2352 away from the rotating portion 2351, the sliding portion 2354 is slidably mounted on the second flange 2344, and the sliding portion 2354 can slide along the second flange 2344. One end of the second link portion 2353, which is far away from the rotating portion 2351, is provided with a clamping portion 2345, the second link portion 2353 penetrates through the connecting groove 2345, the clamping portion 2345 can abut against the inner side wall of the first connecting portion 2341, and the clamping portion 2345 can slide along the inner side wall of the first connecting portion 2341. With the above arrangement, the two ends of the connecting rod 235 can rotate relative to the gear plate 233 and the connecting rod 235 respectively, so as to ensure that the "crank-link mechanism" can move smoothly and drive the brewing chamber 22 to reciprocate along the guiding structure 202.

The cartridge 30 is cylindrical, the cartridge 30 is disposed on a side of the gear plate 233 facing away from the accommodating chamber 201, that is, the cartridge 30 is disposed on a side of the brewing chamber 22 facing the opening, the cartridge 30 corresponds to the first station of the brewing chamber 22, and when the brewing chamber 22 is located at the first station, the cartridge 30 is opposite to the brewing chamber 22. The gear plate 233 is provided with an inlet 2332, the inlet 2332 being movable with the gear plate 233 and rotatable relative to the cartridge 30, the inlet 2332 being adapted to allow the capsules in the cartridge 30 to pass therethrough and into the brewing chamber 22. When the gear plate 233 rotates around its central axis relative to the bin 30, the input port 2332 may be opposite to or staggered with respect to the bin 30, and the brewing chamber 22 may move along the guiding structure 202 to be opposite to the input port 2332 or far from the input port 2332, wherein when the brewing chamber 22 is located at the first station, the bin 30, the input port 2332 and the brewing chamber 22 are opposite to each other, and the capsule in the bin 30 may drop into the brewing chamber 22 through the input port 2332.

Specifically, in the process that the first driving assembly 23 drives the brewing chamber 22 to move to the first station, the brewing chamber 22 moves towards the first station along the guiding structure 202, and meanwhile, the material inlet 2332 rotates along with the gear disc 233 in the second rotating direction until the brewing chamber 22, the material inlet 2332 and the storage bin 30 are opposite to each other, and at this time, a capsule in the storage bin 30 close to the material inlet 2332 falls into the brewing chamber 22 through the material inlet 2332; after the capsule drops, the first driving assembly 23 drives the brewing chamber 22 to move towards the second station, and meanwhile, the material inlet 2332 rotates along with the gear plate 233 towards the first rotation direction, and the brewing chamber 22, the material inlet 2332 and the storage bin 30 are staggered, so that the capsule in the storage bin 30 cannot continuously pass through the material inlet 2332. That is, the first driving component can drive the brewing cavity to move to the first station and the second station respectively along the preset direction, when the brewing cavity is located at the first station, the brewing cavity is opposite to the material inlet, at the moment, raw materials can enter the brewing cavity through the material inlet, when the brewing cavity is located at the second station, the brewing cavity is far away from the material inlet and is opposite to the brewing head, and at the moment, the second driving component can drive the brewing head to move towards the brewing cavity so as to brew the raw materials in the brewing cavity.

In this embodiment, the first drive assembly 23 and the cartridge 30 form a feeding system of the beverage maker 100, which allows only one capsule to fall out of the cartridge 30 and into the brewing chamber 22 through the inlet 2332 each time the cartridge 30 feeds the brewing chamber 22, ensuring that the cartridge 30 feeds the brewing chamber 22 accurately. The gear plate 233 serves as a transmission part for driving the brewing chamber 22 to move, and is used for limiting capsules from entering the brewing chamber 22 through the material inlet 2332 one by one, so that the structure of the beverage machine 100 is simplified, and the production cost is reduced.

Preferably, the gear plate 233 is provided with a material guiding cylinder 2333, the material guiding cylinder 2333 is communicated with the material inlet 2332, the opening edge of the material inlet 2332 extends towards the direction of the accommodating chamber 201 to obtain the material guiding cylinder 2333, and the material guiding cylinder 2333 is used for guiding the capsule to smoothly enter the brewing chamber 22, so as to prevent the capsule from deviating in the process of falling from the material inlet 2332 to the brewing chamber 22.

The brewing head 24 is movably arranged on one side of the parallel portion 211 far away from the fixed support 110, the brewing head 24 corresponds to the second station of the brewing cavity 22, when the brewing cavity 22 is located at the second station, the brewing head 24 is opposite to the brewing cavity 22, and the brewing head 24 can move in a reciprocating linear mode towards or far away from the brewing cavity 22 relative to the brewing cavity 22.

Referring back to fig. 2, the second driving assembly 25 includes a second motor 251, a first gear 252, a second gear 253, and a screw 254.

The first gear 252 is connected to an output shaft of the second motor 251, and the output shaft of the second motor 251 can drive the first gear 252 to rotate. The second gear 253 is engaged with the first gear 252, and the second gear 253 and the first gear 252 are respectively rotatable about their central axes. The screw 254 passes through the second gear 253 along the central axis of the second gear 253 and is in threaded connection with the second gear 253, one end of the screw 254 is fixedly connected with the brewing head 24, and the screw 254 can do reciprocating linear motion along the central axis thereof.

The second motor 251 can drive the second gear 253 to rotate through the first gear 252, the second gear 253 drives the screw 254 to do reciprocating linear motion along the central axis of the second motor, and the brewing head 24 moves along with the screw 254, so that the brewing head 24 can do reciprocating linear motion towards or away from the brewing chamber 22 relative to the brewing chamber 22. In order to realize that the brewing head 24 only makes reciprocating linear motion under the driving of the second gear 253, the second driving assembly 25 further comprises a limiting structure for limiting the rotation of the screw 254, wherein a protrusion is arranged at one end of the screw 254 far away from the brewing head 24, the protrusion is inserted into the limiting structure, and the protrusion can slide along the length direction of the limiting structure, so that the screw 254 cannot make rotational motion relative to the limiting structure, namely, the brewing head 24 only makes linear motion under the driving of the screw 254, and the brewing head 24 is prevented from making rotational motion relative to the brewing chamber 22 when in motion. Of course, other structures may be provided to realize that the brewing head 24 can only move linearly under the driving of the second gear 253, and are not described in detail herein.

Referring to fig. 8 and 9, the piston assembly 26 movably penetrates through the brewing chamber 22, and the central axis of the piston assembly 26 is overlapped with the central axis of the brewing chamber 22, so that the piston assembly 26 can reciprocate linearly along the guide structure 202 with the brewing chamber 22, and the piston assembly 26 can also reciprocate along the guide structure 303, so that the piston assembly 26 can reciprocate linearly along its central axis relative to the brewing chamber 22.

In this embodiment, the guiding structure 203 is a through slot that extends through a side wall of the mounting bracket 21, the through slot is disposed away from the guiding structure 202 relative to the brewing chamber 22, and at least a portion of the through slot is disposed at a predetermined angle to the guiding structure 202, such that the through slot has a height difference in a direction along the central axis of the piston assembly 26, such that the piston assembly 26 can move along its central axis by the height difference distance. The piston assembly 26 is engaged with the through slot, and the piston assembly 26 can slide back and forth along the through slot, so that the piston assembly 26 can move back and forth along the central axis relative to the brewing chamber 22.

Further, the guide structure 203 includes a first through groove 2031 and a second through groove 2032, and the first through groove 2031 and the second through groove 2032 communicate with each other. The first through groove 2031 is disposed at a predetermined angle with respect to a predetermined direction of movement of the brewing chamber 22, and the starting end of the first through groove 2031 is far away from the predetermined direction than the end thereof, that is, the first through groove 2031 is disposed at a predetermined angle with respect to the guiding structure 202, and the starting end of the first through groove 2031 is far away from the bottom of the brewing chamber 22 than the end thereof, so that the first through groove 2031 has a height difference along the direction of the central axis of the piston assembly 26, and the piston assembly 26 can move along the central axis thereof by the height difference distance while sliding along the first through groove 2031, so that the piston assembly 26 can move toward or away from the opening of the brewing chamber 22. The second channel 2032 is disposed parallel to the central axis of the piston assembly 26, the beginning of the second channel 2032 communicates with the first channel 2031, the end of the second channel 2032 is disposed away from the guide structure, and the piston assembly 26 is movable relative to the brew chamber 22 along the second channel 2032 such that the piston assembly 26 is movable away from or toward the opening of the brew chamber 22. Wherein, the beginning end of the first through groove 2031 corresponds to the first station of the brewing chamber 22, and when the brewing chamber 22 is located at the first station, the piston assembly 26 is matched with the beginning end of the first through groove 2031; the end of the first through groove 2031 corresponds to the third station of the brewing chamber 22, and when the brewing chamber 22 is located at the second station, the piston assembly 26 is matched with the second through groove 2032, and the piston assembly 26 can slide along the second through groove 2032; the beginning of the second channel 2032 corresponds to the first station of the brew chamber 22, and the piston assembly 26 engages the end of the first channel 2031 when the brew chamber 22 is in the third station.

In the present embodiment, the guiding structure 202 is disposed along a horizontal plane, wherein the predetermined angle is an included angle between the first through groove 2031 and the horizontal plane. Of course, in some other embodiments, the guiding structure 202 may be inclined from the horizontal plane.

The piston assembly 26 includes a piston rod 261 and an elastic member 262. One end of the piston rod 261 movably penetrates through the bottom of the brewing cavity 22, the piston rod 261 can make reciprocating linear motion along the central axis of the piston rod 261 relative to the brewing cavity 22, the other end of the piston rod 261 movably penetrates through the through groove, the piston rod 261 can also make reciprocating sliding relative to the mounting support 21 along the through groove, and the piston rod 261 is used for pushing the waste capsules out of the brewing cavity 22. The elastic member 262 elastically connects the piston rod 261 with the brewing chamber 22 such that the piston rod 261 is elastically deformed during the movement along the through groove, and the elastic member 262 serves to reset the piston rod 261.

The piston rod 261 includes an end portion 2611, a rod portion 2612, and a guide portion 2613, and the end portion 2611 and the guide portion 2613 are fixedly connected to both ends of the rod portion 2612, respectively.

The end 2611 is substantially cap-shaped, and both the rod portion 2612 and the guide portion 2613 are substantially columnar. The end portion 2611 is accommodated in the brewing chamber 22, the rod portion 2612 movably penetrates through the bottom of the brewing chamber 22 and is connected to the end portion 2611, the guide portion 2613 is formed by extending one end of the rod portion 2612 far away from the end portion 2611 towards the direction of the through groove, the guide portion 2613 movably penetrates through the guide structure 203, and the guide portion 2613 can slide in a reciprocating mode relative to the mounting bracket 21 along the guide structure 203. The elastic member 262 is sleeved on the rod portion 2612, one end of the elastic member 262 abuts against the end portion 2611, the other end of the elastic member 262 abuts against the bottom of the brewing chamber 22, and the elastic member 262 is elastically compressed between the end portion 2611 and the bottom of the brewing chamber 22. Wherein the central axes of the piston assembly 26, the piston rod 261 and the rod 2612 are disposed in superposition.

In this embodiment, the elastic member 262 is a compression spring. In some other embodiments, the elastic member 262 may have other structures with elastic ability, and the connection manner of the elastic member 262 may also be configured according to actual needs, for example, the elastic member 262 is a tension spring, etc., one end of the elastic member 262 is connected to the outer sidewall of the bottom of the brewing chamber 22, and the other end of the elastic member 262 is connected to one end of the rod portion 2612 away from the end portion 2611.

When the brewing chamber 22 moves along the guide structure 202, the brewing chamber 22 drives the piston rods 261 to move along the guide structure 202 together, and meanwhile, the guide portions 2613 of the piston rods 261 move along the through grooves, so that the piston rods 261 can move along the central axes of the piston rods 261 relative to the brewing chamber 22, that is, the end portions 2611 can move towards or away from the bottom of the brewing chamber 22 relative to the brewing chamber 22, and therefore capsules can enter the brewing chamber 22 or be pushed out of the brewing chamber 22 by the piston rods 261.

The piston rod 261 is provided with a beverage flow passage 2614, the beverage flow passage 2614 extends through the piston rod 261 along the central axis of the piston rod 261, and the beverage flow passage 2614 is used for allowing the brewed beverage in the brewing chamber 22 to be output outwards. The input end of the drink outlet pipe 120 is located at the second station, the input end of the drink outlet pipe 120 is used for being communicated with the drink flow passage 2614, and the drink brewed in the brewing cavity 22 flows into the drink outlet pipe 120 through the drink flow passage 2614. When the brewing chamber 22 drives the piston assembly 26 to move to the second position, the input end of the beverage outlet pipe 120 is opposite to the beverage flow channel 2614, and when the piston rod 261 slides along the second through groove 2032 to the end of the second through groove 2032, the input end of the beverage outlet pipe 120 is inserted into the beverage flow channel 2614, and at this time, the beverage outlet pipe 120 is communicated with the beverage flow channel 2614.

In some other embodiments, the outlet tube 120 is a flexible tube, the input end of the outlet tube 120 is directly connected to the beverage channel 2614 of the piston rod 261, and the input end of the outlet tube 120 can move along with the piston rod 261.

It will be appreciated that in some other embodiments, the first channel of the guide structure 203 is disposed parallel to the guide structure 202, the second channel of the guide structure 203 is disposed at an angle to the guide structure, and the terminal end of the first channel communicates with the beginning of the second channel. Specifically, the start end of the first through slot corresponds to a first station of the brewing chamber 22, and the end of the first through slot corresponds to a second station of the brewing chamber 22, that is, when the brewing chamber 22 is located at the first station, the guide portion 2613 of the piston rod 261 corresponds to the start end of the first through slot, and when the brewing chamber 22 is located at the second station, the guide portion 2631 of the piston rod 261 corresponds to the end of the first through slot, wherein when the guide portion 2631 moves along the first through slot, the end portion 2611 of the piston rod 261 is always close to the bottom of the brewing chamber 22, and the capsule can be accommodated in the brewing chamber 22. The end of the second through groove is closer to the guiding structure 202 than the beginning thereof, so that the second through groove has a height difference along the central axis of the piston rod 261, and the piston rod 261 can move along its central axis by the height difference distance while sliding along the second through groove. It will be appreciated that the guiding structure 203 may be other structures for guiding the piston assembly 26 to move linearly back and forth along its own axis relative to the brewing chamber 22, for example, a protrusion, and the piston rod 261 is provided with a sliding slot, the sliding slot is slidably engaged with the protrusion, and the sliding slot is slidable along the length direction of the protrusion, so that the piston rod 261 can move linearly back and forth along its own axis relative to the brewing chamber 22.

The brewing chamber 22 comprises a first chamber 221 and a second chamber 222 fixedly connected with the first chamber 221, the first chamber 221 is cup-shaped, the second chamber 222 is ring-shaped, and the inner diameter of the second chamber 222 is larger than that of the first chamber 221. The bottom of the first cavity 221 is provided with a waste liquid hole for discharging waste liquid after brewing in the brewing cavity 22. One end of the piston assembly 26 passing through the brewing chamber 22 may be in sealing engagement with the inner side wall of the first cavity 221 and may also be in clearance engagement with the second cavity 222.

Specifically, the end 2611 of the piston rod 261 is matched with the first cavity 221, and when the end 2611 moves to the first cavity 221, the outer side wall of the end 2611 and the inner side wall of the first cavity 221 are sealed with each other; the diameter of the end portion 2611 is smaller than the inner diameter of the second cavity 222, and when the end portion 2611 moves to the second cavity 222, a gap exists between the outer side wall of the end portion 2611 and the inner side wall of the second cavity 222, and the gap is used for allowing waste liquid or waste slag to pass through and flow to a waste liquid hole to be discharged.

Further, the piston assembly 26 further comprises a sealing ring sleeved on the outer side wall of the end portion 2611, wherein the sealing ring is used for radially sealing the outer side wall of the end portion 2611 and the inner side wall of the first cavity 221 so as to ensure the sealing performance between the end portion 2611 and the first cavity 221 and prevent the beverage from being discharged outwards through the waste liquid hole when the capsule is brewed in the brewing chamber 22.

Referring to fig. 10, the scraper 27 is located on a side of the mounting bracket 21 away from the fixing bracket 110, the scraper 27 is fixedly connected to the gear plate 233, the scraper 27 can rotate around a central axis of the gear plate 233 along with the gear plate 233, and when the piston assembly 26 pushes the waste capsule out of the brewing chamber 22, the gear plate 233 drives the scraper 27 to scrape the waste capsule off. Through the arrangement, the first driving assembly 23 can simultaneously drive the brewing cavity 22 and the scraper 27 to move, and the scraper 27 can scrape the waste capsules pushed out by the piston assembly 26 off in the process of moving the brewing cavity 22 from the second station to the third station.

The mounting bracket 21 is provided with a baffle 214, the baffle 214 is located at one end of the mounting bracket 21 far away from the fixing bracket 110, and the baffle 214 is used for guiding the waste capsules to fall to a waste bin so as to prevent the waste capsules from falling into the accommodating cavity 201. The scraper 27 is provided with open slots which are adapted to the baffles 214, and the open slots are used for allowing the scraper 27 to move through the baffles 214 and preventing the scraper 27 from moving and interfering with the baffles 214.

Referring to fig. 10, when the brewing chamber 22 is located at the first station, the end 2611 of the piston rod 261 is located in the first cavity 221, and the guiding portion 2613 of the piston rod 261 is located at the beginning of the first through slot 2031, so that the capsule in the cartridge 30 can enter the brewing chamber 22 through the inlet 2332. Referring to fig. 11 and 12, in the process of the first driving assembly 23 driving the brewing chamber 22 to move from the first station to the second station, the guiding portion 2613 of the piston rod 261 slides along the first through groove 2031 to the connection point between the first through groove 2031 and the second through groove 2032, and the end portion 2611 of the piston rod 261 moves away from the bottom of the brewing chamber 22. When the brewing chamber 22 is located at the second station, firstly, the guiding portion 2613 of the piston rod 261 is located at the communication position of the first through groove 2031 and the second through groove 2032, and the capsule is partially exposed out of the opening of the brewing chamber 22; then, the second driving assembly 25 drives the brewing head 24 to move towards the brewing chamber 22 and press the capsule, so that the end 2611 of the piston rod 261 moves to the first chamber 221, the outer side wall of the end 2611 of the piston rod 261 and the inner side wall of the first chamber 221 are sealed with each other, the guide part 2613 of the piston rod 261 moves to one end of the second through groove 2032 far away from the brewing chamber 22 along the second through groove 2032, and meanwhile, the elastic member 262 is elastically compressed, at the moment, the brewing head 24 and the brewing chamber 22 are matched with each other to brew the capsule, and the beverage in the brewing chamber 22 is output outwards through the beverage flow channel 2614 and the drinking tube 120; after the capsule is brewed, the second driving assembly 25 drives the brewing head 24 to move away from the brewing chamber 22, and meanwhile, the elastic member 262 restores elastic deformation, and the piston rod 261 is reset under the elastic restoring force of the elastic member 262, wherein the guiding portion 2613 of the piston rod 261 moves along the second through groove 2032 to the communication position of the second through groove 2032 and the first through groove 2031, and meanwhile, the end portion 2611 of the piston rod 261 moves away from the bottom of the brewing chamber 22. Specifically referring to fig. 13, in the process that the first driving assembly 23 drives the brewing chamber 22 to move from the second station to the third station, the guiding portion 2613 of the piston rod 261 slides along the first through slot 2031 to the end of the first through slot 2031, the end portion 2611 of the piston rod 261 moves towards the opening of the brewing chamber 22 and pushes the waste capsule out of the brewing chamber 22, and the first driving assembly 23 drives the scraper 27 to scrape the waste capsule off the end portion 2611 of the piston rod 261, wherein the end portion 2611 of the piston rod 261 is located in the second chamber 222, and the waste liquid can flow to the waste liquid hole through the gap between the end portion 2611 and the second chamber 222 and is discharged outwards.

With continued reference to fig. 13, the beverage maker 100 further comprises a first detecting device 1001 and a second detecting device 1002, wherein the first detecting device 1001 is used for detecting whether the brewing chamber 22 reaches the first station, and the second detecting device 1002 is used for detecting whether the brewing chamber 22 reaches the second station.

In this embodiment, the first detecting device 1001 and the second detecting device 1002 are both travel switches. The first detection device 1001 is mounted on the mounting bracket 21, and the first detection device 1001 is located in the moving direction of the scraper 27, when the first motor 231 drives the gear disc 233 to rotate in the second rotating direction until the brewing chamber 22 moves to the first station, the scraper 27 rotates along with the gear disc 233 until the scraper 27 triggers the first detection device 1001, so that the first detection device 1001 detects that the brewing chamber 22 reaches the first station, and the first detection device 1001 can control the first motor 231 to stop rotating through the control circuit. When the second detecting device 1002 is mounted on the mounting bracket 21 and the second detecting device 1002 is located at an end of the second through groove 2032 far away from the brewing chamber 22, the guiding portion 2613 triggers the second detecting device 1002 when the guiding portion 2613 of the piston rod 261 moves along the second through groove 2032 to an end of the second through groove 2032 far away from the brewing chamber 22, so that the second detecting device 1002 detects that the brewing chamber 22 reaches the second station, and the second detecting device 1002 can control the first motor 231 to stop rotating through the control circuit.

The waste box comprises a waste box recovery box and a waste liquid recovery box, the waste box recovery box and the waste liquid recovery box are respectively detachably mounted on the fixed support 110, the waste box recovery box and the waste liquid recovery box are both located below the brewing device 20, the waste box recovery box is used for recovering waste capsules or waste residues, and the waste liquid recovery box is used for recovering waste liquid.

The fixed bracket 110 is opened with a first opening (not shown) and a second opening (not shown), the first opening and the second opening are respectively communicated with the waste box recovery box and the waste liquid recovery box, the first opening is used for allowing the waste capsules scraped from the brewing chamber 22 to fall into the waste box recovery box, the second opening is used for allowing the waste liquid discharged from the brewing chamber 22 through the waste liquid hole to flow to the waste liquid recovery box, wherein, when the brewing chamber 22 is located at the second station, the bottom of the brewing chamber 22 is opposite to the second opening.

It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. A brewing device, comprising:

a mounting bracket provided with a guide structure;

the piston assembly movably penetrates through the brewing cavity, can move along with the brewing cavity and is movably connected with the guide structure, the piston assembly can move along the guide structure so that the piston assembly can move along the central axis of the piston assembly relative to the brewing cavity, and the piston assembly is used for pushing out the waste after the brewing of the brewing cavity is finished;

2. The brewing device of claim 1,

the guide structure is a through groove, the through groove penetrates through the side wall of the mounting bracket, and the piston assembly is matched with the through groove.

3. The brewing device of claim 2,

the guide structure includes that first logical groove and second lead to the groove, first lead to the groove with it is the angle setting of predetermineeing to predetermine the direction, the initial end that first leads to the groove is compared its end and is kept away from predetermine the direction, the second lead to the groove with piston assembly's axis parallel arrangement, the second lead to the groove one end with first lead to the groove intercommunication, the other end orientation that the second led to the groove is kept away from predetermine the direction setting of direction.

4. A brewing device according to any one of the claims 1 to 3,

the mounting bracket is provided with a guide structure, the brewing cavity is connected with the guide structure in a sliding manner, and the brewing cavity can move along the guide structure.

5. The brewing device of claim 4,

the guide structure is close to the bottom of the brewing cavity relative to the guide structure, and the guide structure is close to the opening of the brewing cavity relative to the guide structure.

6. A brewing device as claimed in claim 3,

the piston assembly comprises a piston rod and an elastic piece;

7. The brewing device of claim 6,

the piston rod is provided with a beverage flow passage, the beverage flow passage penetrates through the piston rod along the central axis of the piston rod, and the beverage flow passage is used for allowing the beverage brewed in the brewing cavity to be output outwards.

8. The brewing device of claim 6,

the piston rod comprises an end part, a rod part and a guide part, and the end part and the guide part are respectively fixedly connected to two ends of the rod part;

9. The brewing device of claim 1,

the brewing cavity comprises a first cavity and a second cavity fixedly connected with the first cavity, the inner diameter of the second cavity is larger than that of the first cavity, a waste liquid hole is formed in the bottom of the first cavity, and the waste liquid hole is used for discharging waste liquid in the brewing cavity;

10. A beverage machine comprising a brewing device according to any one of claims 1 to 9.