A brewing device capable of making multiple coffee capsules

Abstract

The present invention discloses a brewing device capable of making a variety of coffee capsules, the brewing device comprising a frame, a coffee brewing device for brewing coffee arranged on the frame, and a milk frothing device for producing milk foam detachably mounted on the frame; wherein the milk frothing device comprises at least one frothing space; at least one milk inlet channel; at least one air inlet channel; at least one steam inlet channel; at least one milk outlet channel; and the milk inlet channel, the air inlet channel, the steam inlet channel, and the milk outlet channel are all connected to the frothing space. The present invention builds the milk frothing device into the coffee brewing device, which saves space and is more affordable; at the same time, it can be compatible with as many coffee capsules of different categories as possible, meet the requirements of various customers, and improve market competitiveness.

Description

Technical Field

[0001] The invention relates to the technical field of coffee machines, and in particular to a brewing device capable of making a variety of coffee capsules. Background Art

[0002] Capsule beverage machine is a machine that uses capsules to make beverages, such as capsule coffee machine. As a beverage, coffee has gradually entered people's daily work, study and life. People soak a cup of strong and mellow coffee in their spare time, which will not only greatly improve their spirits, but also allow people to slowly enjoy the infinite relaxation and beauty of their leisure time. With the increasing frequency of people drinking coffee, more and more people need to use coffee machines to make coffee when traveling outdoors or at home.

[0003] The brewing mechanism of the capsule beverage machine is the core component of the capsule beverage machine. Currently, most machines on the market are single-capsule machines with hot milk and cappuccino, and are equipped with milk boxes; they are not compatible with the production of multiple coffee capsules and their contents such as hot milk, cappuccino and latte. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] The technical problem to be solved by the present invention is to provide a brewing device that can make a variety of coffee capsules, and a milk frothing device is built into the coffee brewing device, which saves space and is cheaper; at the same time, it can be compatible with as many different types of coffee capsules as possible, meet the requirements of various customers, and improve market competitiveness.

[0006] (II) Technical solution

[0007] The solution adopted by the present invention to solve the above technical problems is a brewing device that can make a variety of coffee capsules, the brewing device includes a frame, a coffee brewing device for brewing coffee arranged on the frame, and a milk frothing device for producing milk foam detachably mounted on the frame; wherein the milk frothing device includes at least one frothing space; at least one milk inlet channel; at least one air inlet channel; at least one steam inlet channel; at least one milk outlet channel; and the milk inlet channel, the air inlet channel, the steam inlet channel, and the milk outlet channel are all connected to the frothing space.

[0008] Preferably, the milk frothing device comprises two interconnected milk frothing machines and a milk frothing pipe assembly; wherein the milk inlet channel, the air inlet channel, and the steam inlet channel are arranged on the milk frothing machine, and the milk outlet channel is arranged on the milk frothing pipe assembly; after the milk passes through the frothing space, it flows out from the milk outlet pipe having the milk outlet channel after passing through the milk frothing pipe assembly. Specifically, the milk frothing pipe assembly comprises a milk frothing pipe connected to the milk frothing machine, and the two are connected by a first silicone connector, wherein the other end of the milk frothing pipe is provided with an opening, and is closed by a second silicone connector; openings are provided at both ends of the milk frothing pipe to facilitate subsequent cleaning thereof.

[0009] Specifically, the milk foam outlet tube is provided with a first mounting groove for mounting the first silicone connector; wherein, the first silicone connector is extended outwardly from one end close to the milk foam outlet tube to form a clamping portion, and correspondingly, the first mounting groove has a through hole for the clamping portion to pass through, and the clamping portion has a shaft portion matching the through hole, and the shaft portion extends outward to form a first anti-slip portion, and the end surface diameter of the first anti-slip portion and the shaft portion at the connection is greater than the shaft diameter of the shaft portion. Preferably, the number of the clamping portions is four, and they are distributed in a rectangular shape on the first silicone connector, so that the installation is more secure. Preferably, the first anti-slip portion is conical, and the shaft diameter gradually decreases from one end close to the shaft portion to the outside, and this structure can not only prevent the first silicone connector from detaching from the first mounting groove, but also facilitate the installation of the first silicone connector to the first mounting groove. Preferably, the end of the shaft portion away from the first anti-slip portion is formed with a second anti-slip portion, and the second anti-slip portion is shaft-shaped, and the shaft diameter is greater than the shaft diameter of the shaft portion. Further, the first silicone connector extends outward from one end close to the milk foam outlet tube to form a first connecting tube provided with the through cavity, and correspondingly, the first mounting groove is provided with a connecting tube mounting groove matching the first connecting tube. Preferably, the first connecting tube is arranged at the center of one end surface of the first silicone connector close to the milk foam outlet tube. Further, the outer circumference of the first connecting tube extends outward to form a first annular protrusion. The provision of the first annular protrusion improves the sealing between the first connecting tube and the connecting tube mounting groove, and prevents milk foam from leaking out from there. The second silicone connector extends outward from one end close to the milk foam outlet to form a second connecting tube, and the outer circumference of the second connecting tube is provided with a second annular protrusion. Preferably, the number of the second annular protrusions is two. The provision of the second annular protrusion improves the sealing between the second silicone connector and the milk foam outlet tube, and prevents milk foam from leaking out from there.

[0010] More preferably, a stop valve is provided for cutting off the air inlet channel; when air flows into the air inlet channel, the stop valve opens to connect the air inlet channel with the foaming space; when no air flows into the air inlet channel, the stop valve closes to cut off the air inlet channel from the foaming space.

[0011] Specifically, when the air inlet channel is closed, milk enters through the milk inlet channel to mix with the steam, and hot milk flows out from the milk outlet channel;

[0012] When the air pipe channel is opened, the milk enters through the milk inlet channel and is first mixed with the air flowing into the air inlet channel. After the first mixing is completed, it is mixed with the steam flowing into the steam inlet channel for a second time. After the milk is mixed twice, hot milk foam will flow out from the milk outlet channel and mix with the coffee made by the coffee brewing device, so that cappuccino / latte can be made.

[0013] Preferably, the coffee capsule making method can be applicable to, but not limited to, the production of NESPRESSO coffee capsules, LAVZZA coffee capsules, DG coffee capsules, and CAFFITALY coffee capsules.

[0014] By adopting the above solution, the milk frothing device is built into the coffee brewing device, which saves space and is cheaper. At the same time, it can be compatible with as many different types of coffee capsules as possible, meet the requirements of various customers, and improve market competitiveness. The coffee brewing device is mainly used in drawer-type (vertical) capsule coffee machines.

[0015] Furthermore, the frame includes a base for mounting the milk frothing device, and the milk frothing device is mounted on the base through a frothing device cover; the base is provided with a receiving space matching the frothing device cover, the outside of the frothing device cover extends outward to form a protrusion, the protrusion is restricted on the base, and a mounting portion matching the protrusion is provided on the base.

[0016] Preferably, the protrusion includes a first protrusion and a second protrusion symmetrically formed on the foamer cover; correspondingly, the mounting portion includes a first mounting portion matching the first protrusion, and a second mounting portion matching the second protrusion.

[0017] Preferably, an air pipe connected to the air inlet channel and a steam pipe connected to the steam inlet channel are provided on the outer side of the foamer cover, and a fixing frame for fixing the air pipe and the steam pipe is sleeved on the air pipe and the steam pipe, and the fixing frame is detachably connected to the foamer cover.

[0018] Preferably, the frame includes a mounting seat for mounting the coffee brewing device and a base for mounting the milk frothing device; the mounting seat and the base are connected in a detachable manner; wherein the base is located at the lower end of the mounting seat; the milk frothing device is arranged below the coffee brewing device, making the structure more compact and saving space.

[0019] Preferably, the milk frothing device is installed in the space between the mounting seat and the base so that it does not move, wherein the lower end of the mounting seat and the upper end of the base match to form a through cavity for the milk tube having the milk inlet channel to pass through, so that the structure is more solid; and the bottom of the base is open for the coffee and foamed milk to flow out; at the same time, the side of the base is open for the air inlet channel and the steam inlet channel to pass through.

[0020] By adopting the above scheme, the foamer cover is arranged on the milk foaming device, which can not only protect the milk foaming device from being easily damaged and corroded, but also facilitate the fixing of the milk foaming device on the base.

[0021] Furthermore, the foamer cover has a accommodating cavity for accommodating the milk foaming device, and the foamer cover includes a first surface, a second surface and a third surface, and the three surfaces surround and form the accommodating cavity; the accommodating cavity is provided with a limiting groove near its opening, and correspondingly, the milk foaming device is connected to a limiting piece matching the limiting groove.

[0022] Preferably, the limiting member includes a rotating rocker arm rotatably connected to the milk frothing device, and both sides of the rotating rocker arm extend outward to form an axis-shaped limiting portion. When the milk frothing device is installed on the frothing machine cover, the limiting portion is restricted in the limiting groove. More preferably, the limiting groove is provided with a locking cavity for locking the limiting portion, so that the milk frothing device is more firmly installed on the frothing machine cover.

[0023] Preferably, the milk frothing device is provided with a limiting platform for abutting against the rotating rocker arm to limit its rotation toward the direction of the frothing device cover, and a protruding buckle is provided near the limiting platform. When the rotating rocker arm rotates to the limiting platform, the protruding buckle abuts against the inner side of the rotating rocker arm, making it less likely to loosen, thereby improving its stability.

[0024] By adopting the above solution, the milk frothing device is detachably connected to the frothing device cover, which is convenient for cleaning the milk frothing device and prevents it from stinking.

[0025] Furthermore, the coffee brewing device includes a brewing space for forming coffee liquid, at least one hot water inlet channel, and at least one coffee outlet channel; wherein the hot water inlet channel and the coffee outlet channel are both connected to the brewing space.

[0026] Specifically, hot water passes through the hot water inlet channel and then passes through the coffee capsule. At this time, coffee passes through the brewing space and then flows out from the coffee outlet channel to produce coffee.

[0027] Furthermore, the coffee brewing device includes the funnel bracket connected to the coffee outlet channel, and the adaptor funnel detachably connected to the funnel bracket for installing an adaptor coffee capsule; wherein the inner cavity of the funnel bracket is a brewing space with an upper end opening, and the funnel has a capsule accommodating cavity connected to the brewing space.

[0028] Preferably, the milk foam outlet tube is connected to the lower end of the funnel bracket by a snap connection, so that the milk outlet channel and the coffee outlet channel are arranged in parallel; specifically, one end of the milk foam outlet tube close to the funnel bracket is movably connected with an active snap, one end of the active snap is connected to the milk foam outlet tube by a spring, and one end of the active snap penetrates the milk foam outlet tube to form a button; when the button is pressed, the active snap moves inward, and the milk foam outlet tube is separated from the funnel bracket; when the button is not subjected to force, the spring gives the active snap an outward force to make it snap outward on the funnel bracket.

[0029] Preferably, the side wall of the mounting seat is opened for the funnel bracket to pass through; wherein, the inner side wall of the mounting seat is symmetrically provided with slide grooves, and the two ends of the funnel bracket are extended into or pulled out of the mounting seat along the slide grooves; when the coffee capsule needs to be replaced, the funnel bracket is operated to be pulled out along the slide groove; after the replacement is completed, the funnel bracket is operated to be extended into along the slide groove. The structure is simple, the operation is convenient, and it is convenient to replace different coffee capsules.

[0030] Preferably, the funnel support is suitable for assembling funnels of various coffee capsules; it may include but is not limited to the following two forms:

[0031] First, the funnel includes a capsule seat which is rotatably connected to the funnel bracket and can be flipped to open and close on the opening, wherein the capsule seat is rotatably connected to the funnel bracket, and the upper end surface of the funnel bracket is provided with a fixed bracket for matching the capsule seat, and the capsule seat has a rotating portion; and when the capsule seat is rotated until it is closed on the opening of the funnel bracket, a capsule accommodating chamber for installing a coffee capsule is formed; wherein the upper and lower ends of the capsule seat are both open, and the upper end opening facilitates hot water to enter the coffee powder for brewing the NESPRESSO coffee capsule and extracting to form coffee; a filter plate is provided in the funnel accommodating chamber, and a plurality of bosses and flow holes are provided on the top of the filter plate; an aluminum foil is provided on the end surface of the NESPRESSO coffee capsule for coffee outlet, and the aluminum foil is supported on the plurality of bosses and forms a certain flow guide distance with the plurality of flow holes at least when the NESPRESSO coffee capsule is placed in the capsule accommodating chamber. A plurality of snap fasteners are arranged on the inner side wall of the funnel bracket, and the filter plate is snapped under the snap fasteners; and the inner wall of the funnel bracket extends outward to form a cylindrical protrusion for improving the stability of the filter plate, and correspondingly, the outer wall of the filter plate has a cylindrical depression matching the cylindrical protrusion.

[0032] Specifically, during installation, the cylindrical depression of the filter plate matches the cylindrical protrusion of the funnel bracket so that they are engaged in the funnel bracket, and the rotating part of the capsule seat matches the fixed bracket of the funnel bracket. When the coffee capsule needs to be placed, the capsule seat is rotated to open around the fixed bracket, the coffee capsule is placed in the capsule accommodating cavity, and then the capsule seat is rotated to close the capsule accommodating cavity, thereby achieving the installation of the coffee capsule.

[0033] Second, the funnel includes a detachably connected capsule seat and a water outlet bayonet; wherein the capsule seat has a capsule accommodating cavity for installing coffee capsules, and the water outlet bayonet is installed in the capsule accommodating cavity of the capsule seat. The water outlet bayonet is provided with a plurality of small holes for coffee to pass through, and a first capsule pricking needle protruding upward for piercing the coffee capsule; the bottom of the capsule seat is provided with a plurality of small holes for coffee to pass through. An L-shaped card slot is provided near the opening of the inner wall of the funnel support, and a card protrusion matching the card slot is provided on the capsule seat. wherein the L-shaped card slot includes a vertical entry and exit slot and a horizontal locking slot; and a locking portion is formed at the upper end of the locking slot, and a recess is provided at one end of the locking portion near the locking slot, and a protrusion matching the recess is provided at the upper end of the card protrusion; when the card protrusion is screwed into the locking slot, the recess and the protrusion match to play a limiting role. More preferably, the inner wall of the funnel support is further provided with a plurality of vertical ribs for enhancing the stability of the funnel in the funnel support.

[0034] Specifically, during installation, the operator only needs to align the locking protrusion on the capsule seat with the in-and-out slot of the slot and enter the slot along the in-and-out slot. After the locking protrusion enters into place, the capsule seat is rotated to make the locking protrusion enter the locking slot to install the capsule seat. During removal, the operator only needs to rotate the capsule seat in the opposite direction to make the locking protrusion on the capsule seat enter the in-and-out slot from the locking slot and then detach from the slot along the in-and-out slot to remove the capsule seat. More specifically, the inner wall of the funnel bracket is provided with two locking slots, and the capsule seat is provided with two locking protrusions.

[0035] Furthermore, the funnel has a first brewing structure, and a second brewing structure for sealing the brewing space is arranged above the funnel; and the second brewing structure and the funnel can be close to or far away from each other; wherein the second brewing structure is connected to the hot water inlet channel.

[0036] Preferably, a micro switch is further included, and the micro switch is triggered when the first brewing structure and the second brewing structure are close to each other. Specifically, when the micro switch is triggered, it means that the first brewing structure and the second brewing structure are close to each other, and the mechanism can start to release hot water for brewing, making the operation of the mechanism safer and more reliable; wherein, a trigger block for triggering the micro switch is provided on the second brewing structure.

[0037] Furthermore, the first brewing structure includes a first capsule puncture needle arranged in the funnel, and the second brewing structure includes a second capsule puncture needle.

[0038] Preferably, the second brewing structure includes a sealing member for sealing the funnel, and the second capsule puncture needle is arranged at one end of the sealing member close to the first brewing structure; wherein, the sealing member includes a sealing cover body and a sealing end cover, the sealing cover body and the sealing cover match to form a water outlet cavity for hot water to pass through, and the sealing end cover is provided with the second capsule puncture needle; the sealing end cover is connected to a hot water pipe having the hot water inlet channel, and the sealing end cover is provided with an outflow hole for hot water to flow out; more preferably, a sealing ring is installed at one end of the sealing member close to the first brewing structure, which is used to improve the sealing between the first brewing structure and the second brewing structure during sealing, prevent hot water from seeping out, and is safer.

[0039] Specifically, when in use, hot water enters the water outlet cavity in the seal through the hot water inlet channel and then flows into the capsule accommodating cavity of the funnel through the outflow hole. The coffee capsule expands due to the heat, so that the second capsule pricking needle pierces it. The hot water passes through the coffee capsule to brew and extract the coffee powder inside. The brewing is more uniform and the taste is better.

[0040] Furthermore, it also includes a driving structure for controlling the second brewing structure and the funnel to move closer to or away from each other; the driving structure includes a multi-link structure connected to the funnel and / or the second brewing structure at one end, and an operating structure connected to the other end of the multi-link structure.

[0041] Furthermore, the multi-link structure includes a first link, a second link, and a third link; wherein, the second link is rotatably arranged on the frame, one end of the first link is hinged to the operating structure, and the other end is hinged to the second link, and one end of the third link is hinged to the second link, and the other end is hinged to the first brewing structure and / or the second brewing structure.

[0042] Preferably, the multi-link mechanism is provided with two groups, and is symmetrically arranged on both sides of the first brewing structure and / or the second brewing structure.

[0043] Specifically, the operating structure pushes and pulls the first connecting rod to realize the rotation of the second connecting rod, and the rotation of the second connecting rod pushes and pulls the third connecting rod to realize the pushing and pulling of the first brewing structure and / or the second brewing structure. The hinge of the first connecting rod and the second connecting rod and the hinge of the third connecting rod and the second connecting rod are located on the same side of the rotation axis of the second connecting rod.

[0044] Furthermore, the operating structure includes a handle located on a side of the frame, and the handle extends in a direction other than the rotation axis of the operating structure to form an operating portion.

[0045] Preferably, the operating structure includes a rotating member, which includes a first driving shaft provided with a driving arm to drive one group of multi-link structures, a second driving shaft provided with a driving arm to drive another group of multi-link structures, and a handle seat for installing the handle; the handle seat is arranged on one side of the first driving shaft and the two are synchronously rotatably connected, and the second driving shaft is arranged on the other side of the first driving shaft and the two are synchronously rotatably connected; wherein the rotation axis of the handle seat, the rotation axis of the first driving shaft, and the rotation axis of the second driving shaft are collinear; and the distance from the hinge of the multi-link structure and the driving arm of the first driving shaft to which the driving arm of the first driving shaft is hinged to the rotation axis of the first driving shaft is equal to the distance from the hinge of the multi-link structure and the driving arm of the second driving shaft to which the driving arm of the second driving shaft is hinged to the rotation axis of the second driving shaft.

[0046] More preferably, the handle base and the first drive shaft are connected in synchronous rotation by respectively setting a first synchronous protrusion and a first synchronous groove with non-circular cross-sections and matching each other; the second drive shaft and the first drive shaft are connected in synchronous rotation by respectively setting a second synchronous groove and a second synchronous protrusion with non-circular cross-sections and matching each other; the second drive shaft is rotatably arranged on the frame to realize the rotational installation of the rotating part.

[0047] With the above structure, the operator operates the operating part of the handle to rotate the handle to drive the handle base connected thereto to rotate, and the rotation of the handle base synchronously drives the rotation of the first drive shaft and the second drive shaft, and the driving arm on the first drive shaft and the driving arm on the second drive shaft respectively drive the multi-link structures of the two to move, and the driving arm on the first drive shaft and the driving arm on the second drive shaft have the same swing amplitude, that is, the actions of the two groups of drive components are consistent, thereby ensuring reliable and stable operation of the mechanism.

[0048] (III) Beneficial effects

[0049] Compared with the prior art, the present invention designs a brewing device that can produce a variety of coffee capsules, and the milk frothing device is built into the coffee brewing device, which saves space and is cheaper; at the same time, it can be compatible with as many different types of coffee capsules as possible, meet the requirements of various customers, and improve market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 This is a schematic diagram of the use of a brewing device capable of producing a variety of coffee capsules according to the utility model;

[0051] Figure 2 It is a cross-sectional view of a brewing device capable of producing a variety of coffee capsules in the first embodiment (embodying a milk frothing device);

[0052] Figure 3 for Figure 2 The enlarged schematic diagram at A in the middle;

[0053] Figure 4 It is a cross-sectional view of a brewing device capable of producing a variety of coffee capsules in Embodiment 1 (embodying a coffee brewing device);

[0054] Figure 5 is a schematic diagram of the milk frothing device in Example 1;

[0055] Figure 6 is a schematic diagram of the milk frothing device in Example 1;

[0056] Figure 7 Schematic diagram of the milk frothing device in Example 1 (excluding the rotating swing arm);

[0057] Figure 8 This is an exploded view of the milk froth dispensing tube in the first embodiment;

[0058] Fig. 9 This is a schematic diagram of the assembly of the funnel device and the funnel in Example 1;

[0059] Fig.10 for Fig. 9 The enlarged schematic diagram of point B in the middle;

[0060] Fig.11 It is a schematic diagram of the assembly of the driving structure and the second brewing structure in the first embodiment;

[0061] Fig.12 An exploded view of the driving structure and the second brewing structure in the first embodiment;

[0062] Fig.13 It is a schematic diagram of the assembly of the funnel device and the funnel in the second embodiment;

[0063] Fig.14 for Fig.13 The enlarged schematic diagram of the middle C;

[0064] Fig.15 It is a cross-sectional view of the funnel device and the funnel in the second embodiment.

[0065] Description of reference numerals: 1, brewing device; 11, frame; 111, base; 112, mounting seat; 112-1, slide; 113, through cavity; 12, coffee brewing device; 121, brewing space; 122, hot water inlet channel; 122-1, hot water pipe; 123, coffee outlet channel; 124, funnel bracket; 124-1, fixed bracket; 124-2, buckle; 124-3, cylindrical protrusion; 124-4, slot; 124-41, inlet and outlet slot; 124-42, locking slot; 124-43, locking portion; 124-43a, recess; 125, funnel; 125-1, capsule accommodating chamber; 125-11, filter plate; 125-11a, boss; 125-11b, flow through hole; 125-11c, cylindrical depression; 125-3, second brewing structure; 125-31, second capsule pricking needle; 125-32, trigger block; 125-33, sealing member; 125-33a, sealing cover; 125-33b, sealing end cover; 125-33c, water outlet cavity; 125-33d, sealing ring; 125-4, capsule seat; 125-41, rotating part; 125-42, convex; 125-42a, raised part; 125-5, water outlet bayonet; 125-51, first capsule pricking needle; 126, multi-link structure; 126-1, first link; 126-2, second link; 126-3, third link; 127, operating structure; 127-1, handle; 127-2 , operating part; 127-3, rotating part; 127-31, first driving shaft; 127-31a, first synchronous groove; 127-31b, second synchronous protrusion; 127-32, second driving shaft; 127-32a, second synchronous groove; 127-33, handle seat; 127-33a, first synchronous protrusion; 13, milk frothing device; 131, frothing space; 132, milk inlet channel; 132-1, milk pipe; 133, air inlet channel; 134, steam inlet channel; 135, milk outlet channel; 136, rotating swing rod; 136-1, limiting part; 137, milk frothing device; 137-1, limiting platform; 137-2, protruding buckle; 138, milk frothing pipe; 138- 1. First silicone connector; 138-11. Clamping part; 138-11a. Shaft; 138-11b. First anti-slipping part; 138-11c. Second anti-slipping part; 138-12. First connecting tube; 138-12a. First annular protrusion; 138-2. Second silicone connector; 138-21. Second connecting tube; 138-21a. Second annular protrusion; 138-3. First mounting groove; 138-31. Through hole; 138-32. Connecting tube mounting groove; 138-4. Active buckle; 138-41. Button; 138-5. Spring; 14. Foamer cover; 141. Bump; 142. Accommodating cavity; 142-1. Limiting groove; 142-1a. Clamping cavity; 143. Air tube;144. Steam pipe; 145. Fixing bracket; 15. Micro switch. ; DETAILED DESCRIPTION

[0066] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0067] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1:

[0068] like Figure 1-Figure 8As shown, a brewing device capable of making a variety of coffee capsules according to the present embodiment, the brewing device 1 comprises a frame 11, a coffee brewing device 12 for brewing coffee arranged on the frame 11, and a milk frothing device 13 for producing milk foam detachably mounted on the frame 11; wherein the milk frothing device 13 comprises at least one frothing space 131; at least one milk inlet channel 132; at least one air inlet channel 133; at least one steam inlet channel 134; at least one milk outlet channel 135; and the milk inlet channel 132, the air inlet channel 133, the steam inlet channel 134, and the milk outlet channel 135 are all connected to the frothing space 131. Preferably, the milk frothing device 13 comprises two interconnected milk frothing devices 137 and a milk frothing pipe 138 assembly; wherein the milk inlet channel 132, the air inlet channel 133, and the steam inlet channel 134 are arranged on the milk frothing device 137, and the milk outlet channel 135 is arranged on the milk frothing pipe 138 assembly; after the milk passes through the frothing space 131, it flows out through the milk outlet pipe having the milk outlet channel 135 after passing through the milk frothing pipe 138 assembly. Specifically, the milk frothing pipe 138 assembly comprises a milk frothing pipe 138 connected to the milk frothing device 137, and the two are connected by a first silicone connector 138-1, wherein the other end of the milk frothing pipe 138 is provided with an opening, and is closed by a second silicone connector 138-2; both ends of the milk frothing pipe 138 are provided with openings, so as to facilitate subsequent cleaning thereof. Specifically, the milk foam outlet tube 138 is provided with a first installation groove 138-3 for installing the first silicone connector 138-1; wherein, the first silicone connector 138-1 extends outwardly from one end close to the milk foam outlet tube 138 to form a clamping portion 138-11, and correspondingly, the first installation groove 138-3 has a through hole 138-31 for the clamping portion 138-11 to pass through, and the clamping portion 138-11 has a shaft portion 138-11a matching the through hole 138-31, and the shaft portion 138-11a extends outward to form a first anti-detachment portion 138-11b, and the end surface diameter of the first anti-detachment portion 138-11b at the connection with the shaft portion 138-11a is larger than the shaft diameter of the shaft portion 138-11a. Preferably, there are four clamping portions 138-11, and they are distributed in a rectangular shape on the first silicone connector 138-1, so that the installation is more secure. Preferably, the first anti-detachment portion 138-11b is conical, and the shaft diameter gradually decreases from the end close to the shaft portion 138-11a toward the outside. This structure can not only prevent the first silicone connector 138-1 from detaching from the first mounting groove 138-3, but also facilitate the installation of the first silicone connector 138-1 onto the first mounting groove 138-3.Preferably, a second anti-detachment portion 138-11c is formed at one end of the shaft portion 138-11a away from the first anti-detachment portion 138-11b, and the second anti-detachment portion 138-11c is shaft-shaped, and the shaft diameter is larger than the shaft diameter of the shaft portion 138-11a. Further, the first silicone connector 138-1 extends outward from one end close to the milk foam outlet tube 138 to form a first connecting tube 138-12 provided with the through cavity 113, and correspondingly, the first mounting groove 138-3 is provided with a connecting tube mounting groove 138-32 matching the first connecting tube 138-12. Preferably, the first connecting tube 138-12 is arranged at the center of one end surface of the first silicone connector 138-1 close to the milk foam outlet tube 138. Further, the outer circumference of the first connecting tube 138-12 extends outward to form a first annular protrusion 138-12a. The provision of the first annular protrusion 138-12a improves the sealing performance between the first connecting tube 138-12 and the connecting tube mounting groove 138-32, preventing milk foam from leaking out from there. The second silicone connector 138-2 is extended outward from one end close to the milk frother to form a second connecting tube 138-21, and the outer circumference of the second connecting tube 138-21 is provided with a second annular protrusion 138-21a. Preferably, the number of the second annular protrusions 138-21a is two. The provision of the second annular protrusion 138-21a improves the sealing performance between the second silicone connector 138-2 and the milk foam outlet tube 138, preventing milk foam from leaking out from there. More preferably, a stop valve for cutting off the air inlet channel 133 is further provided; when air flows into the air inlet channel 133, the stop valve is opened so that the air inlet channel 133 is connected with the foaming space 131; when no air flows into the air inlet channel 133, the stop valve is closed so that the air inlet channel 133 is cut off from the foaming space 131. Specifically, when the air inlet channel 133 is closed, milk enters through the milk inlet channel 132 to mix with the steam, and hot milk flows out from the milk outlet channel 135 at this time; when the air pipe 143 channel is opened, milk enters through the milk inlet channel 132 to mix with the air flowing into the air inlet channel 133 for the first time, and then mixes with the steam flowing into the steam inlet channel 134 for the second time after the first mixing is completed; in this way, after the milk is mixed twice, hot milk foam will flow out from the milk outlet channel 135 and mix with the coffee made by the coffee brewing device 12, so that cappuccino / latte can be made. Preferably, the coffee capsule making method can be applicable to, but not limited to, the production of NESPRESSO coffee capsules, LAVZZA coffee capsules, DG coffee capsules, and CAFFITALY coffee capsules.By adopting the above solution, the milk frothing device 13 is built into the coffee brewing device 1, which saves space and is cheaper; at the same time, it can be compatible with as many different types of coffee capsules as possible, meet the requirements of various customers, and improve market competitiveness; the coffee brewing device 1 is mainly used in drawer-type vertical capsule coffee machines.

[0069] like Figure 1 , Figure 4-Figure 5 As shown, further, the frame 11 includes a base 111 for mounting the milk frothing device 13, and the milk frothing device 13 is mounted on the base 111 through a frothing device cover 14; the base 111 is provided with a receiving space matching the frothing device cover 14; the outside of the frothing device cover 14 extends outward to form a protrusion 141, and the protrusion 141 is limited on the base 111, and a mounting portion matching the protrusion 141 is provided on the base 111. Preferably, the protrusion 141 includes a first protrusion and a second protrusion symmetrically formed on the frothing device cover 14; correspondingly, the mounting portion includes a first mounting portion matching the first protrusion, and a second mounting portion matching the second protrusion. Preferably, an air pipe 143 communicating with the air inlet channel 133 and a steam pipe 144 communicating with the steam inlet channel 134 are provided on the outer side of the foamer cover 14, and a fixing frame 145 for fixing the air pipe 143 and the steam pipe 144 is sleeved on the air pipe 143 and the steam pipe 144, and the fixing frame 145 is detachably connected to the foamer cover 14. Preferably, the frame 11 includes a mounting seat 112 for mounting the coffee brewing device 12 and a base 111 for mounting the milk foaming device 13; the mounting seat 112 and the base 111 are detachably connected; wherein the base 111 is located at the lower end of the mounting seat 112; the milk foaming device 13 is arranged below the coffee brewing device 12, so that the structure is more compact and space is saved. Preferably, the milk frothing device 13 is installed in the space between the mounting seat 112 and the base 111 so that it will not move, wherein the lower end of the mounting seat 112 and the upper end of the base 111 match to form a through cavity 113 for the milk pipe 132-1 having the milk inlet channel 132 to pass through, so that the structure is more solid; and the bottom of the base 111 is open for the coffee and the foamed milk to flow out; at the same time, the side of the base 111 is open for the air inlet channel 133 and the steam inlet channel 134 to pass through. With the above solution, the foamer cover 14 is set on the milk frothing device 13, which can not only protect the milk frothing device 13 from damage and corrosion, but also facilitate the fixing of the milk frothing device 13 on the base 111.

[0070] like Figure 1-Figure 3 , Figure 6-Figure 7 As shown, further, the foamer cover 14 has a accommodating cavity 142 for accommodating the milk foaming device 13, and the foamer cover 14 includes a first surface, a second surface and a third surface, and the three surfaces surround and form the accommodating cavity 142; the accommodating cavity 142 is provided with a limiting groove 142-1 near its opening, and correspondingly, the milk foaming device 13 is connected with a limiting member matching the limiting groove 142-1. Preferably, the limiting member includes a rotating rocker arm 136 rotatably connected to the milk frothing device 13, and both sides of the rotating rocker arm 136 extend outward to form an axis-shaped limiting portion 136-1. When the milk frothing device 13 is installed to the frothing device cover 14, the limiting portion 136-1 is restricted in the limiting groove 142-1. More preferably, the limiting groove 142-1 is provided with a locking cavity 142-1a for locking the limiting portion 136-1, so that the milk frothing device 13 is more firmly installed on the frothing device cover 14. Preferably, the milk frothing device 13 is provided with a limiting platform 137-1 for abutting against the rotating swing arm 136 to limit its rotation toward the frothing device cover 14, and a protruding buckle 137-2 is provided near the limiting platform 137-1. When the rotating swing arm 136 rotates to the limiting platform 137-1, the protruding buckle 137-2 abuts against the inner side of the rotating swing arm 136, making it less likely to loosen and improving its stability. With the above solution, the milk frothing device 13 is detachably connected to the frothing device cover 14, which is convenient for cleaning the milk frothing device 13 and preventing it from stinking.

[0071] like Figure 1-Figure 9As shown, further, the coffee brewing device 12 includes a brewing space 121 for forming coffee liquid, at least one hot water inlet channel 122, and at least one coffee outlet channel 123; wherein the hot water inlet channel 122 and the coffee outlet channel 123 are both connected to the brewing space 121. Specifically, hot water passes through the hot water inlet channel 122 and then passes through the coffee capsule, and at this time, the coffee flows out from the coffee outlet channel 123 after passing through the brewing space 121, and the coffee is made. Further, the coffee brewing device 12 includes the funnel bracket 124 connected to the coffee outlet channel 123, and the adapting funnel 125 detachably connected to the funnel bracket 124 for installing an adapting coffee capsule; wherein the inner cavity of the funnel bracket 124 is the brewing space 121 with an upper end opening, and the funnel 125 has a capsule accommodating cavity 125-1 connected to the brewing space 121. Preferably, the milk foam outlet tube 138 is connected to the lower end of the funnel bracket 124 by a snap connection, so that the milk outlet channel 135 and the coffee outlet channel 123 are arranged in parallel; specifically, one end of the milk foam outlet tube 138 close to the funnel bracket 124 is movably connected with an active snap 138-4, one end of the active snap 138-4 is connected to the milk foam outlet tube 138 through a spring 138-5, and one end of the active snap 138-4 penetrates the milk foam outlet tube 138 to form a button 138-41; when the button 138-41 is pressed, the active snap 138-4 moves inward, and the milk foam outlet tube 138 is separated from the funnel bracket 124; when the button 138-41 is not subjected to force, the spring 138-5 gives the active snap 138-4 an outward force, so that it is stuck outward on the funnel bracket 124. Preferably, the side wall of the mounting seat 112 is opened for the funnel bracket 124 to pass through; wherein, the inner side wall of the mounting seat 112 is symmetrically provided with a slide groove 112-1, and both ends of the funnel bracket 124 are extended into or withdrawn from the mounting seat 112 along the slide groove 112-1; when the coffee capsule needs to be replaced, the funnel bracket 124 is operated to be withdrawn along the slide groove 112-1; after the replacement is completed, the funnel bracket 124 is operated to be extended along the slide groove 112-1. The structure is simple, the operation is convenient, and it is convenient to replace different coffee capsules.

[0072] like Figure 1 , Figure 9-10As shown, further, the funnel bracket 124 is suitable for assembling a funnel 125 of various coffee capsules. The funnel 125 includes a capsule seat 125-4 that is rotatably connected to the funnel bracket 124 and can be flipped to open and close on the opening, wherein the capsule seat 125-4 is rotatably connected to the funnel bracket 124, and the upper end surface of the funnel bracket 124 is provided with a fixed bracket 124-1 for matching the capsule seat 125-4, and the capsule seat 125-4 has a rotating portion 125-41; and when the capsule seat 125-4 is rotated to be closed on the opening of the funnel bracket 124, a capsule accommodating cavity 125-1 for installing coffee capsules is formed; wherein the capsule seat The upper and lower ends of 125-4 are both open, and the upper end opening allows hot water to enter the coffee powder in the coffee capsule for extraction to form coffee; a filter plate 125-11 is arranged in the accommodating chamber 142 of the funnel 125, and a plurality of bosses 125-11a and flow holes 125-11b are arranged on the top of the filter plate 125-11; an aluminum foil is arranged on the end surface of the coffee capsule from which coffee comes out, and the aluminum foil is supported on the plurality of bosses 125-11a at least when the coffee capsule is placed in the capsule accommodating chamber 125-1, and a certain guide distance is formed between the aluminum foil and the plurality of flow holes 125-11b. A plurality of snap fasteners 124-2 are provided on the inner side wall of the funnel bracket 124, and the filter plate 125-11 is snapped under the snap fasteners 124-2; and, the inner wall of the funnel bracket 124 extends outward to form a cylindrical protrusion 124-3 for improving the stability of the filter plate 125-11, and correspondingly, the outer wall of the filter plate 125-11 has a cylindrical recess 125-11c matching the cylindrical protrusion 124-3. Specifically, during installation, the cylindrical recess 125-11c of the filter plate 125-11 matches with the cylindrical protrusion 124-3 of the funnel bracket 124, so that it is engaged in the funnel bracket 124, and the rotating part 125-41 of the capsule seat 125-4 matches with the fixed bracket 124-1 of the funnel bracket 124. When the coffee capsule needs to be placed, the capsule seat 125-4 is rotated to open around the fixed bracket 124-1, and the coffee capsule is placed in the capsule accommodating cavity 125-1. Then, the capsule seat 125-4 is rotated to close the capsule accommodating cavity 125-1, thereby realizing the installation of the coffee capsule.

[0073] like Figure 1-Figure 4 , Fig.12As shown, further, the funnel 125 has a first brewing structure, and a second brewing structure 125-3 for sealing the brewing space 121 is arranged above the funnel 125; and the second brewing structure 125-3 and the funnel 125 can be close to or away from each other; wherein the second brewing structure 125-3 is connected to the hot water inlet channel 122. Preferably, a micro switch 15 is also included, and the micro switch 15 is triggered when the first brewing structure and the second brewing structure 125-3 are close to each other. Specifically, when the micro switch 15 is triggered, it means that the first brewing structure and the second brewing structure 125-3 are close to each other, and the mechanism can start to release hot water for brewing; making the operation of the mechanism safer and more reliable; wherein a trigger block 125-32 for triggering the micro switch 15 is arranged on the second brewing structure 125-3. Further, the second brewing structure 125-3 includes a second capsule pricking needle 125-31. Preferably, the second brewing structure 125-3 includes a sealing member 125-33 for sealing the funnel 125, and the second capsule pricking needle 125-31 is arranged at one end of the sealing member 125-33 close to the first brewing structure; wherein the sealing member 125-33 includes a sealing cover body 125-33a and a sealing end cover 125-33b, wherein the sealing cover body 125-33a and the sealing cover match to form a water outlet cavity 125-33c for hot water to pass through, and the sealing end cover 125-33 b is provided with the second capsule pricking needle 125-31; the sealing end cover 125-33b is connected to the hot water pipe 122-1 having the hot water inlet channel 122, and the sealing end cover 125-33b is provided with an outflow hole for hot water to flow out; more preferably, the sealing member 125-33 is provided with a sealing ring 125-33d at one end close to the first brewing structure, which is used to improve the sealing between the first brewing structure and the second brewing structure 125-3 when sealing, and prevent hot water from leaking out, which is safer. Specifically, when in use, hot water enters the water outlet cavity 125-33c in the sealing member 125-33 through the hot water inlet channel 122 and then flows into the capsule accommodating cavity 125-1 of the funnel 125 through the outflow hole, and the coffee capsule expands due to the heat, so that the second capsule pricking needle 125-31 pierces it, and the hot water passes through the coffee capsule to brew and extract the coffee powder therein, and the brewing is more uniform and the taste is better.

[0074] like Figure 1 , Figure 11-Figure 12As shown, further, it also includes a driving structure for controlling the second brewing structure 125-3 and the funnel 125 to move closer to or away from each other; the driving structure includes a multi-link structure 126 connected to the second brewing structure 125-3 at one end, and an operating structure 127 connected to the other end of the multi-link structure 126. Further, the multi-link structure 126 includes a first link 126-1, a second link 126-2, and a third link 126-3; wherein the second link 126-2 is rotatably arranged on the frame 11, one end of the first link 126-1 is hinged to the operating structure 127, and the other end is hinged to the second link 126-2, and one end of the third link 126-3 is hinged to the second link 126-2, and the other end is hinged to the second brewing assembly. Preferably, the multi-link mechanism is provided with two groups, and is symmetrically arranged on both sides of the second brewing structure 125-3. Specifically, the operating structure 127 pushes and pulls the first connecting rod 126-1 to realize the rotation of the second connecting rod 126-2, and the rotation of the second connecting rod 126-2 pushes and pulls the third connecting rod 126-3 to realize the push-pull action of the second brewing structure 125-3. The hinge of the first connecting rod 126-1 and the second connecting rod 126-2 and the hinge of the third connecting rod 126-3 and the second connecting rod 126-2 are located on the same side of the rotation axis of the second connecting rod 126-2.

[0075] like Fig.12As shown, further, the operating structure 127 includes a handle 127-1 located on the side of the frame 11, and the handle 127-1 extends in a direction other than the rotation axis of the operating structure 127 to form an operating portion 127-2. Preferably, the operating structure 127 includes a rotating member 127-3, and the rotating member 127-3 includes a first driving shaft 127-31 provided with a driving arm to drive one group of multi-link structures 126, a second driving shaft 127-32 provided with a driving arm to drive another group of multi-link structures 126, and a handle seat 127-33 for mounting the handle 127-1; the handle seat 127-33 is provided on one side of the first driving shaft 127-31 and the two are synchronously rotatably connected, and the second driving shaft 127-32 is provided on the other side of the first driving shaft 127-31 and the two are synchronously rotatably connected. ; Wherein, the rotation axis of the handle seat 127-33, the rotation axis of the first drive shaft 127-31, and the rotation axis of the second drive shaft 127-32 are collinear; and the distance from the hinge of the multi-link structure 126 and the drive arm of the first drive shaft 127-31 to the rotation axis of the first drive shaft 127-31 is equal to the distance from the hinge of the multi-link structure 126 and the drive arm of the second drive shaft 127-32 to the rotation axis of the second drive shaft 127-32. More preferably, the handle seat 127-33 and the first drive shaft 127-31 are connected in synchronous rotation by respectively setting a first synchronous protrusion 127-33a and a first synchronous groove 127-31a with non-circular cross-sections and matching each other; the second drive shaft 127-32 and the first drive shaft 127-31 are connected in synchronous rotation by respectively setting a second synchronous groove 127-32a and a second synchronous protrusion 127-31b with non-circular cross-sections and matching each other; the second drive shaft 127-32 is rotatably set on the frame 11 to realize the rotatable installation of the rotating member 127-3. With the above structure, the operator operates the operating part 127-2 of the handle 127-1 to rotate the handle 127-1 to drive the handle base 127-33 connected thereto to rotate, and the rotation of the handle base 127-33 synchronously drives the rotation of the first drive shaft 127-31 and the second drive shaft 127-32, and the driving arm on the first drive shaft 127-31 and the driving arm on the second drive shaft 127-32 respectively drive the multi-link structure 126 of the two to move, and the driving arm on the first drive shaft 127-31 and the driving arm on the second drive shaft 127-32 have the same swing amplitude, that is, the actions of the two groups of the driving components are consistent, thereby ensuring reliable and stable operation of the mechanism. Embodiment 2:

[0076] The difference between this embodiment and the above-mentioned embodiment 1 is that:

[0077] like Figure 13-Figure 15 As shown, the funnel 125 includes a detachably connected capsule seat 125-4 and a water outlet bayonet 125-5; wherein the capsule seat 125-4 has a capsule accommodating cavity 125-1 for accommodating coffee capsules, and the water outlet bayonet 125-5 is installed in the capsule accommodating cavity 125-1 of the capsule seat 125-4. The water outlet bayonet 125-5 is provided with a plurality of small holes for coffee to pass through, and a first capsule pricking needle 125-51 protruding upward for piercing the coffee capsule; the bottom of the capsule seat 125-4 is provided with a plurality of small holes for coffee to pass through. The inner wall of the funnel bracket 124 is provided with an L-shaped slot 124-4 near the opening, and the capsule seat 125-4 is provided with a protrusion 125-42 matching the slot 124-4. The L-shaped slot 124-4 includes a vertical entry and exit slot 124-41 and a horizontal locking slot 124-42; a locking portion 124-43 is formed at the upper end of the locking slot, a recess 124-43a is provided at one end of the locking portion 124-43 close to the locking slot, and a protrusion 125-42a matching the recess 124-43a is provided at the upper end of the locking protrusion 125-42; when the locking protrusion 125-42 is screwed into the locking slot, the recess 124-43a and the protrusion 125-42a match to play a limiting role. More preferably, the inner wall of the funnel bracket 124 is also provided with a plurality of vertical ribs for enhancing the stability of the funnel 125 in the funnel bracket 124. Specifically, during installation, the operator only needs to align the locking protrusion 125-42 on the capsule seat 125-4 with the inlet and outlet groove 124-41 of the slot 124-4 and enter the slot 124-4 along the inlet and outlet groove 124-41. When the locking protrusion 125-42 is in place, the capsule seat 125-4 is rotated again so that the locking protrusion 125-42 enters the locking groove 124-42 to achieve the installation of the capsule seat 125-4. During disassembly, the operator only needs to rotate the capsule seat 125-4 in the opposite direction so that the locking protrusion 125-42 on the capsule seat 125-4 enters the inlet and outlet groove 124-41 from the locking groove 124-42, and then detaches from the slot 124-4 along the inlet and outlet groove 124-41 to achieve the disassembly of the capsule seat 125-4. More specifically, the inner wall of the funnel bracket 124 is provided with two locking grooves 124 - 4 , and the capsule seat 125 - 4 is provided with two locking protrusions 125 - 42 .

[0078] It should be noted that: the first brewing structure is the funnel 125 in the above-mentioned embodiment 1 and embodiment 2; and the funnel 125 in the above-mentioned embodiment 1 and embodiment 2 can be adapted to a variety of coffee capsules that match the funnel 125.

[0079] The above are only preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A brewing device capable of producing a variety of coffee capsules, characterized in that: The brewing device (1) comprises a frame (11), a coffee brewing device (12) for brewing coffee and arranged on the frame (11), and a milk frothing device (13) for producing milk foam and detachably mounted on the frame (11); wherein the milk frothing device (13) comprises at least one frothing space (131); at least one milk inlet channel (132); at least one air inlet channel (133); at least one steam inlet channel (134); and at least one milk outlet channel (135); and the milk inlet channel (132), the air inlet channel (133), the steam inlet channel (134), and the milk outlet channel (135) are all connected to the frothing space (131). The air inlet passage (133) is connected to the space (131); when the air inlet passage (133) is closed, milk enters through the milk inlet passage (132) to mix with the steam, and hot milk flows out from the milk outlet passage (135); when the air pipe (143) passage is opened, milk enters through the milk inlet passage (132) to mix with the air flowing into the air inlet passage (133) for the first time, and after the first mixing is completed, milk is mixed with the steam flowing into the steam inlet passage (134) for the second time; after the milk is mixed twice, hot milk foam flows out from the milk outlet passage (135) to mix with the coffee made by the coffee brewing device (12), so that cappuccino / latte can be made.

2. The brewing device capable of producing multiple types of coffee capsules according to claim 1, characterized in that: The frame (11) comprises a base (111) for mounting the milk frothing device (13); the milk frothing device (13) is mounted on the base (111) via a frothing device cover (14); the base (111) is provided with a receiving space matching the frothing device cover (14); a protrusion (141) is formed on the outside of the frothing device cover (14) extending outwards; the protrusion (141) is restricted on the base (111); and a mounting portion matching the protrusion (141) is provided on the base (111).

3. The brewing device capable of producing multiple types of coffee capsules according to claim 2, characterized in that: The foamer cover (14) has a housing cavity (142) for housing the milk foaming device (13); the foamer cover (14) comprises a first surface, a second surface and a third surface, the three surfaces surrounding the housing cavity (142); a limiting groove (142-1) is provided near an opening of the housing cavity (142); correspondingly, the milk foaming device (13) is connected to a limiting piece matching the limiting groove (142-1).

4. The brewing device capable of producing multiple types of coffee capsules according to claim 1, characterized in that: The coffee brewing device (12) comprises a brewing space (121) for forming coffee liquid, at least one hot water inlet channel (122), and at least one coffee outlet channel (123); wherein the hot water inlet channel (122) and the coffee outlet channel (123) are both in communication with the brewing space (121).

5. The brewing device capable of producing multiple types of coffee capsules according to claim 4, characterized in that: The coffee brewing device (12) comprises a funnel support (124) connected to a coffee outlet channel (123), and an adapting funnel (125) detachably connected to the funnel support (124) and used to install an adapting coffee capsule; wherein the inner cavity of the funnel support (124) is a brewing space (121) with an upper end opening, and the funnel (125) has a capsule accommodating cavity (125-1) connected to the brewing space (121).

6. The brewing device capable of producing multiple types of coffee capsules according to claim 5, characterized in that: The funnel (125) has a first brewing structure inside, and a second brewing structure (125-3) for sealing the brewing space (121) is arranged above the funnel (125); the second brewing structure (125-3) and the funnel (125) can be close to or far away from each other; wherein the second brewing structure (125-3) is connected to the hot water inlet channel (122).

7. The brewing device capable of producing multiple types of coffee capsules according to claim 6, characterized in that: The second brewing structure (125-3) comprises a second capsule pricking needle (125-31).

8. The brewing device capable of producing multiple types of coffee capsules according to claim 6, characterized in that: The coffee brewing device (12) further comprises a driving structure for controlling the second brewing structure (125-3) and the funnel (125) to move toward or away from each other; the driving structure comprises a multi-link structure (126) connected at one end to the funnel (125) and / or the second brewing structure (125-3), and an operating structure (127) connected to the other end of the multi-link structure (126).

9. The brewing device capable of producing multiple types of coffee capsules according to claim 8, characterized in that: The multi-link structure (126) comprises a first link (126-1), a second link (126-2), and a third link (126-3); wherein the second link (126-2) is rotatably arranged on the frame (11); one end of the first link (126-1) is hinged to the operating structure (127), and the other end is hinged to the second link (126-2); one end of the third link (126-3) is hinged to the second link (126-2), and the other end is hinged to the first brewing structure and / or the second brewing structure (125-3).

10. The brewing device capable of producing multiple types of coffee capsules according to claim 8, characterized in that: The operating structure (127) comprises a handle (127-1) located on a side of the frame (11); the handle (127-1) extends in a direction other than the rotation axis of the operating structure (127) to form an operating portion (127-2).

Images